diff options
Diffstat (limited to 'contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD')
19 files changed, 4058 insertions, 4987 deletions
diff --git a/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/FreeBSDThread.cpp b/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/FreeBSDThread.cpp index 3cb1cec..be92a0d 100644 --- a/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/FreeBSDThread.cpp +++ b/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/FreeBSDThread.cpp @@ -16,684 +16,603 @@ #include "lldb/Target/UnixSignals.h" // Project includes -#include "lldb/Breakpoint/Watchpoint.h" +#include "FreeBSDThread.h" +#include "POSIXStopInfo.h" +#include "Plugins/Process/Utility/RegisterContextFreeBSD_arm.h" +#include "Plugins/Process/Utility/RegisterContextFreeBSD_i386.h" +#include "Plugins/Process/Utility/RegisterContextFreeBSD_mips64.h" +#include "Plugins/Process/Utility/RegisterContextFreeBSD_powerpc.h" +#include "Plugins/Process/Utility/RegisterContextFreeBSD_x86_64.h" +#include "Plugins/Process/Utility/RegisterInfoPOSIX_arm64.h" +#include "Plugins/Process/Utility/UnwindLLDB.h" +#include "ProcessFreeBSD.h" +#include "ProcessMonitor.h" +#include "ProcessPOSIXLog.h" +#include "RegisterContextPOSIXProcessMonitor_arm.h" +#include "RegisterContextPOSIXProcessMonitor_arm64.h" +#include "RegisterContextPOSIXProcessMonitor_mips64.h" +#include "RegisterContextPOSIXProcessMonitor_powerpc.h" +#include "RegisterContextPOSIXProcessMonitor_x86.h" #include "lldb/Breakpoint/BreakpointLocation.h" +#include "lldb/Breakpoint/Watchpoint.h" #include "lldb/Core/Debugger.h" #include "lldb/Core/State.h" #include "lldb/Host/Host.h" -#include "lldb/Host/HostNativeThread.h" #include "lldb/Host/HostInfo.h" +#include "lldb/Host/HostNativeThread.h" #include "lldb/Target/Process.h" #include "lldb/Target/StopInfo.h" #include "lldb/Target/Target.h" #include "lldb/Target/ThreadSpec.h" #include "llvm/ADT/SmallString.h" -#include "POSIXStopInfo.h" -#include "FreeBSDThread.h" -#include "ProcessFreeBSD.h" -#include "ProcessPOSIXLog.h" -#include "ProcessMonitor.h" -#include "RegisterContextPOSIXProcessMonitor_arm.h" -#include "RegisterContextPOSIXProcessMonitor_arm64.h" -#include "RegisterContextPOSIXProcessMonitor_mips64.h" -#include "RegisterContextPOSIXProcessMonitor_powerpc.h" -#include "RegisterContextPOSIXProcessMonitor_x86.h" -#include "Plugins/Process/Utility/RegisterContextFreeBSD_arm.h" -#include "Plugins/Process/Utility/RegisterContextFreeBSD_arm64.h" -#include "Plugins/Process/Utility/RegisterContextFreeBSD_i386.h" -#include "Plugins/Process/Utility/RegisterContextFreeBSD_mips64.h" -#include "Plugins/Process/Utility/RegisterContextFreeBSD_powerpc.h" -#include "Plugins/Process/Utility/RegisterContextFreeBSD_x86_64.h" -#include "Plugins/Process/Utility/UnwindLLDB.h" using namespace lldb; using namespace lldb_private; FreeBSDThread::FreeBSDThread(Process &process, lldb::tid_t tid) - : Thread(process, tid), - m_frame_ap (), - m_breakpoint (), - m_thread_name_valid (false), - m_thread_name (), - m_posix_thread(NULL) -{ - Log *log (ProcessPOSIXLog::GetLogIfAllCategoriesSet (POSIX_LOG_THREAD)); - if (log && log->GetMask().Test(POSIX_LOG_VERBOSE)) - log->Printf ("FreeBSDThread::%s (tid = %" PRIi64 ")", __FUNCTION__, tid); - - // Set the current watchpoints for this thread. - Target &target = GetProcess()->GetTarget(); - const WatchpointList &wp_list = target.GetWatchpointList(); - size_t wp_size = wp_list.GetSize(); - - for (uint32_t wp_idx = 0; wp_idx < wp_size; wp_idx++) - { - lldb::WatchpointSP wp = wp_list.GetByIndex(wp_idx); - if (wp.get() && wp->IsEnabled()) - { - // This watchpoint as been enabled; obviously this "new" thread - // has been created since that watchpoint was enabled. Since - // the POSIXBreakpointProtocol has yet to be initialized, its - // m_watchpoints_initialized member will be FALSE. Attempting to - // read the debug status register to determine if a watchpoint - // has been hit would result in the zeroing of that register. - // Since the active debug registers would have been cloned when - // this thread was created, simply force the m_watchpoints_initized - // member to TRUE and avoid resetting dr6 and dr7. - GetPOSIXBreakpointProtocol()->ForceWatchpointsInitialized(); - } + : Thread(process, tid), m_frame_ap(), m_breakpoint(), + m_thread_name_valid(false), m_thread_name(), m_posix_thread(NULL) { + Log *log(ProcessPOSIXLog::GetLogIfAllCategoriesSet(POSIX_LOG_THREAD)); + if (log && log->GetMask().Test(POSIX_LOG_VERBOSE)) + log->Printf("FreeBSDThread::%s (tid = %" PRIi64 ")", __FUNCTION__, tid); + + // Set the current watchpoints for this thread. + Target &target = GetProcess()->GetTarget(); + const WatchpointList &wp_list = target.GetWatchpointList(); + size_t wp_size = wp_list.GetSize(); + + for (uint32_t wp_idx = 0; wp_idx < wp_size; wp_idx++) { + lldb::WatchpointSP wp = wp_list.GetByIndex(wp_idx); + if (wp.get() && wp->IsEnabled()) { + // This watchpoint as been enabled; obviously this "new" thread + // has been created since that watchpoint was enabled. Since + // the POSIXBreakpointProtocol has yet to be initialized, its + // m_watchpoints_initialized member will be FALSE. Attempting to + // read the debug status register to determine if a watchpoint + // has been hit would result in the zeroing of that register. + // Since the active debug registers would have been cloned when + // this thread was created, simply force the m_watchpoints_initized + // member to TRUE and avoid resetting dr6 and dr7. + GetPOSIXBreakpointProtocol()->ForceWatchpointsInitialized(); } + } } -FreeBSDThread::~FreeBSDThread() -{ - DestroyThread(); -} +FreeBSDThread::~FreeBSDThread() { DestroyThread(); } -ProcessMonitor & -FreeBSDThread::GetMonitor() -{ - ProcessSP base = GetProcess(); - ProcessFreeBSD &process = static_cast<ProcessFreeBSD&>(*base); - return process.GetMonitor(); +ProcessMonitor &FreeBSDThread::GetMonitor() { + ProcessSP base = GetProcess(); + ProcessFreeBSD &process = static_cast<ProcessFreeBSD &>(*base); + return process.GetMonitor(); } -void -FreeBSDThread::RefreshStateAfterStop() -{ - // Invalidate all registers in our register context. We don't set "force" to - // true because the stop reply packet might have had some register values - // that were expedited and these will already be copied into the register - // context by the time this function gets called. The KDPRegisterContext - // class has been made smart enough to detect when it needs to invalidate - // which registers are valid by putting hooks in the register read and - // register supply functions where they check the process stop ID and do - // the right thing. - //if (StateIsStoppedState(GetState()) - { - const bool force = false; - GetRegisterContext()->InvalidateIfNeeded (force); - } +void FreeBSDThread::RefreshStateAfterStop() { + // Invalidate all registers in our register context. We don't set "force" to + // true because the stop reply packet might have had some register values + // that were expedited and these will already be copied into the register + // context by the time this function gets called. The KDPRegisterContext + // class has been made smart enough to detect when it needs to invalidate + // which registers are valid by putting hooks in the register read and + // register supply functions where they check the process stop ID and do + // the right thing. + // if (StateIsStoppedState(GetState()) + { + const bool force = false; + GetRegisterContext()->InvalidateIfNeeded(force); + } } -const char * -FreeBSDThread::GetInfo() -{ - return NULL; -} +const char *FreeBSDThread::GetInfo() { return NULL; } -void -FreeBSDThread::SetName (const char *name) -{ - m_thread_name_valid = (name && name[0]); - if (m_thread_name_valid) - m_thread_name.assign (name); - else - m_thread_name.clear(); +void FreeBSDThread::SetName(const char *name) { + m_thread_name_valid = (name && name[0]); + if (m_thread_name_valid) + m_thread_name.assign(name); + else + m_thread_name.clear(); } -const char * -FreeBSDThread::GetName () -{ - if (!m_thread_name_valid) - { - llvm::SmallString<32> thread_name; - HostNativeThread::GetName(GetID(), thread_name); - m_thread_name = thread_name.c_str(); - m_thread_name_valid = true; - } +const char *FreeBSDThread::GetName() { + if (!m_thread_name_valid) { + llvm::SmallString<32> thread_name; + HostNativeThread::GetName(GetID(), thread_name); + m_thread_name = thread_name.c_str(); + m_thread_name_valid = true; + } - if (m_thread_name.empty()) - return NULL; - return m_thread_name.c_str(); + if (m_thread_name.empty()) + return NULL; + return m_thread_name.c_str(); } -lldb::RegisterContextSP -FreeBSDThread::GetRegisterContext() -{ - if (!m_reg_context_sp) - { - m_posix_thread = NULL; - - RegisterInfoInterface *reg_interface = NULL; - const ArchSpec &target_arch = GetProcess()->GetTarget().GetArchitecture(); - - assert(target_arch.GetTriple().getOS() == llvm::Triple::FreeBSD); - switch (target_arch.GetMachine()) - { - case llvm::Triple::aarch64: - reg_interface = new RegisterContextFreeBSD_arm64(target_arch); - break; - case llvm::Triple::arm: - reg_interface = new RegisterContextFreeBSD_arm(target_arch); - break; - case llvm::Triple::ppc: +lldb::RegisterContextSP FreeBSDThread::GetRegisterContext() { + if (!m_reg_context_sp) { + m_posix_thread = NULL; + + RegisterInfoInterface *reg_interface = NULL; + const ArchSpec &target_arch = GetProcess()->GetTarget().GetArchitecture(); + + assert(target_arch.GetTriple().getOS() == llvm::Triple::FreeBSD); + switch (target_arch.GetMachine()) { + case llvm::Triple::aarch64: + reg_interface = new RegisterInfoPOSIX_arm64(target_arch); + break; + case llvm::Triple::arm: + reg_interface = new RegisterContextFreeBSD_arm(target_arch); + break; + case llvm::Triple::ppc: #ifndef __powerpc64__ - reg_interface = new RegisterContextFreeBSD_powerpc32(target_arch); - break; + reg_interface = new RegisterContextFreeBSD_powerpc32(target_arch); + break; #endif - case llvm::Triple::ppc64: - reg_interface = new RegisterContextFreeBSD_powerpc64(target_arch); - break; - case llvm::Triple::mips64: - reg_interface = new RegisterContextFreeBSD_mips64(target_arch); - break; - case llvm::Triple::x86: - reg_interface = new RegisterContextFreeBSD_i386(target_arch); - break; - case llvm::Triple::x86_64: - reg_interface = new RegisterContextFreeBSD_x86_64(target_arch); - break; - default: - llvm_unreachable("CPU not supported"); - } + case llvm::Triple::ppc64: + reg_interface = new RegisterContextFreeBSD_powerpc64(target_arch); + break; + case llvm::Triple::mips64: + reg_interface = new RegisterContextFreeBSD_mips64(target_arch); + break; + case llvm::Triple::x86: + reg_interface = new RegisterContextFreeBSD_i386(target_arch); + break; + case llvm::Triple::x86_64: + reg_interface = new RegisterContextFreeBSD_x86_64(target_arch); + break; + default: + llvm_unreachable("CPU not supported"); + } - switch (target_arch.GetMachine()) - { - case llvm::Triple::aarch64: - { - RegisterContextPOSIXProcessMonitor_arm64 *reg_ctx = new RegisterContextPOSIXProcessMonitor_arm64(*this, 0, reg_interface); - m_posix_thread = reg_ctx; - m_reg_context_sp.reset(reg_ctx); - break; - } - case llvm::Triple::arm: - { - RegisterContextPOSIXProcessMonitor_arm *reg_ctx = new RegisterContextPOSIXProcessMonitor_arm(*this, 0, reg_interface); - m_posix_thread = reg_ctx; - m_reg_context_sp.reset(reg_ctx); - break; - } - case llvm::Triple::mips64: - { - RegisterContextPOSIXProcessMonitor_mips64 *reg_ctx = new RegisterContextPOSIXProcessMonitor_mips64(*this, 0, reg_interface); - m_posix_thread = reg_ctx; - m_reg_context_sp.reset(reg_ctx); - break; - } - case llvm::Triple::ppc: - case llvm::Triple::ppc64: - { - RegisterContextPOSIXProcessMonitor_powerpc *reg_ctx = new RegisterContextPOSIXProcessMonitor_powerpc(*this, 0, reg_interface); - m_posix_thread = reg_ctx; - m_reg_context_sp.reset(reg_ctx); - break; - } - case llvm::Triple::x86: - case llvm::Triple::x86_64: - { - RegisterContextPOSIXProcessMonitor_x86_64 *reg_ctx = new RegisterContextPOSIXProcessMonitor_x86_64(*this, 0, reg_interface); - m_posix_thread = reg_ctx; - m_reg_context_sp.reset(reg_ctx); - break; - } - default: - break; - } + switch (target_arch.GetMachine()) { + case llvm::Triple::aarch64: { + RegisterContextPOSIXProcessMonitor_arm64 *reg_ctx = + new RegisterContextPOSIXProcessMonitor_arm64(*this, 0, reg_interface); + m_posix_thread = reg_ctx; + m_reg_context_sp.reset(reg_ctx); + break; + } + case llvm::Triple::arm: { + RegisterContextPOSIXProcessMonitor_arm *reg_ctx = + new RegisterContextPOSIXProcessMonitor_arm(*this, 0, reg_interface); + m_posix_thread = reg_ctx; + m_reg_context_sp.reset(reg_ctx); + break; } - return m_reg_context_sp; + case llvm::Triple::mips64: { + RegisterContextPOSIXProcessMonitor_mips64 *reg_ctx = + new RegisterContextPOSIXProcessMonitor_mips64(*this, 0, + reg_interface); + m_posix_thread = reg_ctx; + m_reg_context_sp.reset(reg_ctx); + break; + } + case llvm::Triple::ppc: + case llvm::Triple::ppc64: { + RegisterContextPOSIXProcessMonitor_powerpc *reg_ctx = + new RegisterContextPOSIXProcessMonitor_powerpc(*this, 0, + reg_interface); + m_posix_thread = reg_ctx; + m_reg_context_sp.reset(reg_ctx); + break; + } + case llvm::Triple::x86: + case llvm::Triple::x86_64: { + RegisterContextPOSIXProcessMonitor_x86_64 *reg_ctx = + new RegisterContextPOSIXProcessMonitor_x86_64(*this, 0, + reg_interface); + m_posix_thread = reg_ctx; + m_reg_context_sp.reset(reg_ctx); + break; + } + default: + break; + } + } + return m_reg_context_sp; } lldb::RegisterContextSP -FreeBSDThread::CreateRegisterContextForFrame(lldb_private::StackFrame *frame) -{ - lldb::RegisterContextSP reg_ctx_sp; - uint32_t concrete_frame_idx = 0; - - Log *log (ProcessPOSIXLog::GetLogIfAllCategoriesSet (POSIX_LOG_THREAD)); - if (log && log->GetMask().Test(POSIX_LOG_VERBOSE)) - log->Printf ("FreeBSDThread::%s ()", __FUNCTION__); - - if (frame) - concrete_frame_idx = frame->GetConcreteFrameIndex(); - - if (concrete_frame_idx == 0) - reg_ctx_sp = GetRegisterContext(); - else - { - assert(GetUnwinder()); - reg_ctx_sp = GetUnwinder()->CreateRegisterContextForFrame(frame); - } +FreeBSDThread::CreateRegisterContextForFrame(lldb_private::StackFrame *frame) { + lldb::RegisterContextSP reg_ctx_sp; + uint32_t concrete_frame_idx = 0; - return reg_ctx_sp; -} + Log *log(ProcessPOSIXLog::GetLogIfAllCategoriesSet(POSIX_LOG_THREAD)); + if (log && log->GetMask().Test(POSIX_LOG_VERBOSE)) + log->Printf("FreeBSDThread::%s ()", __FUNCTION__); -lldb::addr_t -FreeBSDThread::GetThreadPointer () -{ - ProcessMonitor &monitor = GetMonitor(); - addr_t addr; - if (monitor.ReadThreadPointer (GetID(), addr)) - return addr; - else - return LLDB_INVALID_ADDRESS; -} + if (frame) + concrete_frame_idx = frame->GetConcreteFrameIndex(); -bool -FreeBSDThread::CalculateStopInfo() -{ - SetStopInfo (m_stop_info_sp); - return true; -} - -Unwind * -FreeBSDThread::GetUnwinder() -{ - if (m_unwinder_ap.get() == NULL) - m_unwinder_ap.reset(new UnwindLLDB(*this)); + if (concrete_frame_idx == 0) + reg_ctx_sp = GetRegisterContext(); + else { + assert(GetUnwinder()); + reg_ctx_sp = GetUnwinder()->CreateRegisterContextForFrame(frame); + } - return m_unwinder_ap.get(); + return reg_ctx_sp; } -void -FreeBSDThread::DidStop() -{ - // Don't set the thread state to stopped unless we really stopped. +lldb::addr_t FreeBSDThread::GetThreadPointer() { + ProcessMonitor &monitor = GetMonitor(); + addr_t addr; + if (monitor.ReadThreadPointer(GetID(), addr)) + return addr; + else + return LLDB_INVALID_ADDRESS; } -void -FreeBSDThread::WillResume(lldb::StateType resume_state) -{ - Log *log (ProcessPOSIXLog::GetLogIfAllCategoriesSet (POSIX_LOG_THREAD)); - if (log) - log->Printf("tid %lu resume_state = %s", GetID(), - lldb_private::StateAsCString(resume_state)); - ProcessSP process_sp(GetProcess()); - ProcessFreeBSD *process = static_cast<ProcessFreeBSD *>(process_sp.get()); - int signo = GetResumeSignal(); - bool signo_valid = process->GetUnixSignals()->SignalIsValid(signo); - - switch (resume_state) - { - case eStateSuspended: - case eStateStopped: - process->m_suspend_tids.push_back(GetID()); - break; - case eStateRunning: - process->m_run_tids.push_back(GetID()); - if (signo_valid) - process->m_resume_signo = signo; - break; - case eStateStepping: - process->m_step_tids.push_back(GetID()); - if (signo_valid) - process->m_resume_signo = signo; - break; - default: - break; - } +bool FreeBSDThread::CalculateStopInfo() { + SetStopInfo(m_stop_info_sp); + return true; } -bool -FreeBSDThread::Resume() -{ - lldb::StateType resume_state = GetResumeState(); - ProcessMonitor &monitor = GetMonitor(); - bool status; +Unwind *FreeBSDThread::GetUnwinder() { + if (m_unwinder_ap.get() == NULL) + m_unwinder_ap.reset(new UnwindLLDB(*this)); - Log *log (ProcessPOSIXLog::GetLogIfAllCategoriesSet (POSIX_LOG_THREAD)); - if (log) - log->Printf ("FreeBSDThread::%s (), resume_state = %s", __FUNCTION__, - StateAsCString(resume_state)); - - switch (resume_state) - { - default: - assert(false && "Unexpected state for resume!"); - status = false; - break; - - case lldb::eStateRunning: - SetState(resume_state); - status = monitor.Resume(GetID(), GetResumeSignal()); - break; - - case lldb::eStateStepping: - SetState(resume_state); - status = monitor.SingleStep(GetID(), GetResumeSignal()); - break; - case lldb::eStateStopped: - case lldb::eStateSuspended: - status = true; - break; - } - - return status; + return m_unwinder_ap.get(); } -void -FreeBSDThread::Notify(const ProcessMessage &message) -{ - Log *log (ProcessPOSIXLog::GetLogIfAllCategoriesSet (POSIX_LOG_THREAD)); - if (log) - log->Printf ("FreeBSDThread::%s () message kind = '%s' for tid %" PRIu64, - __FUNCTION__, message.PrintKind(), GetID()); - - switch (message.GetKind()) - { - default: - assert(false && "Unexpected message kind!"); - break; - - case ProcessMessage::eExitMessage: - // Nothing to be done. - break; - - case ProcessMessage::eLimboMessage: - LimboNotify(message); - break; - - case ProcessMessage::eSignalMessage: - SignalNotify(message); - break; - - case ProcessMessage::eSignalDeliveredMessage: - SignalDeliveredNotify(message); - break; - - case ProcessMessage::eTraceMessage: - TraceNotify(message); - break; - - case ProcessMessage::eBreakpointMessage: - BreakNotify(message); - break; - - case ProcessMessage::eWatchpointMessage: - WatchNotify(message); - break; +void FreeBSDThread::DidStop() { + // Don't set the thread state to stopped unless we really stopped. +} - case ProcessMessage::eCrashMessage: - CrashNotify(message); - break; +void FreeBSDThread::WillResume(lldb::StateType resume_state) { + Log *log(ProcessPOSIXLog::GetLogIfAllCategoriesSet(POSIX_LOG_THREAD)); + if (log) + log->Printf("tid %" PRIu64 " resume_state = %s", GetID(), + lldb_private::StateAsCString(resume_state)); + ProcessSP process_sp(GetProcess()); + ProcessFreeBSD *process = static_cast<ProcessFreeBSD *>(process_sp.get()); + int signo = GetResumeSignal(); + bool signo_valid = process->GetUnixSignals()->SignalIsValid(signo); + + switch (resume_state) { + case eStateSuspended: + case eStateStopped: + process->m_suspend_tids.push_back(GetID()); + break; + case eStateRunning: + process->m_run_tids.push_back(GetID()); + if (signo_valid) + process->m_resume_signo = signo; + break; + case eStateStepping: + process->m_step_tids.push_back(GetID()); + if (signo_valid) + process->m_resume_signo = signo; + break; + default: + break; + } +} - case ProcessMessage::eExecMessage: - ExecNotify(message); - break; - } +bool FreeBSDThread::Resume() { + lldb::StateType resume_state = GetResumeState(); + ProcessMonitor &monitor = GetMonitor(); + bool status; + + Log *log(ProcessPOSIXLog::GetLogIfAllCategoriesSet(POSIX_LOG_THREAD)); + if (log) + log->Printf("FreeBSDThread::%s (), resume_state = %s", __FUNCTION__, + StateAsCString(resume_state)); + + switch (resume_state) { + default: + assert(false && "Unexpected state for resume!"); + status = false; + break; + + case lldb::eStateRunning: + SetState(resume_state); + status = monitor.Resume(GetID(), GetResumeSignal()); + break; + + case lldb::eStateStepping: + SetState(resume_state); + status = monitor.SingleStep(GetID(), GetResumeSignal()); + break; + case lldb::eStateStopped: + case lldb::eStateSuspended: + status = true; + break; + } + + return status; } -bool -FreeBSDThread::EnableHardwareWatchpoint(Watchpoint *wp) -{ - bool wp_set = false; - if (wp) - { - addr_t wp_addr = wp->GetLoadAddress(); - size_t wp_size = wp->GetByteSize(); - bool wp_read = wp->WatchpointRead(); - bool wp_write = wp->WatchpointWrite(); - uint32_t wp_hw_index = wp->GetHardwareIndex(); - POSIXBreakpointProtocol* reg_ctx = GetPOSIXBreakpointProtocol(); - if (reg_ctx) - wp_set = reg_ctx->SetHardwareWatchpointWithIndex(wp_addr, wp_size, - wp_read, wp_write, - wp_hw_index); - } - return wp_set; +void FreeBSDThread::Notify(const ProcessMessage &message) { + Log *log(ProcessPOSIXLog::GetLogIfAllCategoriesSet(POSIX_LOG_THREAD)); + if (log) + log->Printf("FreeBSDThread::%s () message kind = '%s' for tid %" PRIu64, + __FUNCTION__, message.PrintKind(), GetID()); + + switch (message.GetKind()) { + default: + assert(false && "Unexpected message kind!"); + break; + + case ProcessMessage::eExitMessage: + // Nothing to be done. + break; + + case ProcessMessage::eLimboMessage: + LimboNotify(message); + break; + + case ProcessMessage::eSignalMessage: + SignalNotify(message); + break; + + case ProcessMessage::eSignalDeliveredMessage: + SignalDeliveredNotify(message); + break; + + case ProcessMessage::eTraceMessage: + TraceNotify(message); + break; + + case ProcessMessage::eBreakpointMessage: + BreakNotify(message); + break; + + case ProcessMessage::eWatchpointMessage: + WatchNotify(message); + break; + + case ProcessMessage::eCrashMessage: + CrashNotify(message); + break; + + case ProcessMessage::eExecMessage: + ExecNotify(message); + break; + } } -bool -FreeBSDThread::DisableHardwareWatchpoint(Watchpoint *wp) -{ - bool result = false; - if (wp) - { - lldb::RegisterContextSP reg_ctx_sp = GetRegisterContext(); - if (reg_ctx_sp.get()) - result = reg_ctx_sp->ClearHardwareWatchpoint(wp->GetHardwareIndex()); - } - return result; +bool FreeBSDThread::EnableHardwareWatchpoint(Watchpoint *wp) { + bool wp_set = false; + if (wp) { + addr_t wp_addr = wp->GetLoadAddress(); + size_t wp_size = wp->GetByteSize(); + bool wp_read = wp->WatchpointRead(); + bool wp_write = wp->WatchpointWrite(); + uint32_t wp_hw_index = wp->GetHardwareIndex(); + POSIXBreakpointProtocol *reg_ctx = GetPOSIXBreakpointProtocol(); + if (reg_ctx) + wp_set = reg_ctx->SetHardwareWatchpointWithIndex( + wp_addr, wp_size, wp_read, wp_write, wp_hw_index); + } + return wp_set; } -uint32_t -FreeBSDThread::NumSupportedHardwareWatchpoints() -{ +bool FreeBSDThread::DisableHardwareWatchpoint(Watchpoint *wp) { + bool result = false; + if (wp) { lldb::RegisterContextSP reg_ctx_sp = GetRegisterContext(); if (reg_ctx_sp.get()) - return reg_ctx_sp->NumSupportedHardwareWatchpoints(); - return 0; + result = reg_ctx_sp->ClearHardwareWatchpoint(wp->GetHardwareIndex()); + } + return result; } -uint32_t -FreeBSDThread::FindVacantWatchpointIndex() -{ - uint32_t hw_index = LLDB_INVALID_INDEX32; - uint32_t num_hw_wps = NumSupportedHardwareWatchpoints(); - uint32_t wp_idx; - POSIXBreakpointProtocol* reg_ctx = GetPOSIXBreakpointProtocol(); - if (reg_ctx) - { - for (wp_idx = 0; wp_idx < num_hw_wps; wp_idx++) - { - if (reg_ctx->IsWatchpointVacant(wp_idx)) - { - hw_index = wp_idx; - break; - } - } +uint32_t FreeBSDThread::NumSupportedHardwareWatchpoints() { + lldb::RegisterContextSP reg_ctx_sp = GetRegisterContext(); + if (reg_ctx_sp.get()) + return reg_ctx_sp->NumSupportedHardwareWatchpoints(); + return 0; +} + +uint32_t FreeBSDThread::FindVacantWatchpointIndex() { + uint32_t hw_index = LLDB_INVALID_INDEX32; + uint32_t num_hw_wps = NumSupportedHardwareWatchpoints(); + uint32_t wp_idx; + POSIXBreakpointProtocol *reg_ctx = GetPOSIXBreakpointProtocol(); + if (reg_ctx) { + for (wp_idx = 0; wp_idx < num_hw_wps; wp_idx++) { + if (reg_ctx->IsWatchpointVacant(wp_idx)) { + hw_index = wp_idx; + break; + } } - return hw_index; + } + return hw_index; } -void -FreeBSDThread::BreakNotify(const ProcessMessage &message) -{ - bool status; - Log *log (ProcessPOSIXLog::GetLogIfAllCategoriesSet (POSIX_LOG_THREAD)); - - assert(GetRegisterContext()); - status = GetPOSIXBreakpointProtocol()->UpdateAfterBreakpoint(); - assert(status && "Breakpoint update failed!"); - - // With our register state restored, resolve the breakpoint object - // corresponding to our current PC. - assert(GetRegisterContext()); - lldb::addr_t pc = GetRegisterContext()->GetPC(); - if (log) - log->Printf ("FreeBSDThread::%s () PC=0x%8.8" PRIx64, __FUNCTION__, pc); - lldb::BreakpointSiteSP bp_site(GetProcess()->GetBreakpointSiteList().FindByAddress(pc)); - - // If the breakpoint is for this thread, then we'll report the hit, but if it is for another thread, - // we create a stop reason with should_stop=false. If there is no breakpoint location, then report - // an invalid stop reason. We don't need to worry about stepping over the breakpoint here, that will - // be taken care of when the thread resumes and notices that there's a breakpoint under the pc. - if (bp_site) - { - lldb::break_id_t bp_id = bp_site->GetID(); - // If we have an operating system plug-in, we might have set a thread specific breakpoint using the - // operating system thread ID, so we can't make any assumptions about the thread ID so we must always - // report the breakpoint regardless of the thread. - if (bp_site->ValidForThisThread(this) || GetProcess()->GetOperatingSystem () != NULL) - SetStopInfo (StopInfo::CreateStopReasonWithBreakpointSiteID(*this, bp_id)); - else - { - const bool should_stop = false; - SetStopInfo (StopInfo::CreateStopReasonWithBreakpointSiteID(*this, bp_id, should_stop)); - } +void FreeBSDThread::BreakNotify(const ProcessMessage &message) { + bool status; + Log *log(ProcessPOSIXLog::GetLogIfAllCategoriesSet(POSIX_LOG_THREAD)); + + assert(GetRegisterContext()); + status = GetPOSIXBreakpointProtocol()->UpdateAfterBreakpoint(); + assert(status && "Breakpoint update failed!"); + + // With our register state restored, resolve the breakpoint object + // corresponding to our current PC. + assert(GetRegisterContext()); + lldb::addr_t pc = GetRegisterContext()->GetPC(); + if (log) + log->Printf("FreeBSDThread::%s () PC=0x%8.8" PRIx64, __FUNCTION__, pc); + lldb::BreakpointSiteSP bp_site( + GetProcess()->GetBreakpointSiteList().FindByAddress(pc)); + + // If the breakpoint is for this thread, then we'll report the hit, but if it + // is for another thread, + // we create a stop reason with should_stop=false. If there is no breakpoint + // location, then report + // an invalid stop reason. We don't need to worry about stepping over the + // breakpoint here, that will + // be taken care of when the thread resumes and notices that there's a + // breakpoint under the pc. + if (bp_site) { + lldb::break_id_t bp_id = bp_site->GetID(); + // If we have an operating system plug-in, we might have set a thread + // specific breakpoint using the + // operating system thread ID, so we can't make any assumptions about the + // thread ID so we must always + // report the breakpoint regardless of the thread. + if (bp_site->ValidForThisThread(this) || + GetProcess()->GetOperatingSystem() != NULL) + SetStopInfo(StopInfo::CreateStopReasonWithBreakpointSiteID(*this, bp_id)); + else { + const bool should_stop = false; + SetStopInfo(StopInfo::CreateStopReasonWithBreakpointSiteID(*this, bp_id, + should_stop)); } - else - SetStopInfo(StopInfoSP()); + } else + SetStopInfo(StopInfoSP()); } -void -FreeBSDThread::WatchNotify(const ProcessMessage &message) -{ - Log *log (ProcessPOSIXLog::GetLogIfAllCategoriesSet (POSIX_LOG_THREAD)); +void FreeBSDThread::WatchNotify(const ProcessMessage &message) { + Log *log(ProcessPOSIXLog::GetLogIfAllCategoriesSet(POSIX_LOG_THREAD)); - lldb::addr_t halt_addr = message.GetHWAddress(); - if (log) - log->Printf ("FreeBSDThread::%s () Hardware Watchpoint Address = 0x%8.8" - PRIx64, __FUNCTION__, halt_addr); + lldb::addr_t halt_addr = message.GetHWAddress(); + if (log) + log->Printf( + "FreeBSDThread::%s () Hardware Watchpoint Address = 0x%8.8" PRIx64, + __FUNCTION__, halt_addr); - POSIXBreakpointProtocol* reg_ctx = GetPOSIXBreakpointProtocol(); - if (reg_ctx) - { - uint32_t num_hw_wps = reg_ctx->NumSupportedHardwareWatchpoints(); - uint32_t wp_idx; - for (wp_idx = 0; wp_idx < num_hw_wps; wp_idx++) - { - if (reg_ctx->IsWatchpointHit(wp_idx)) - { - // Clear the watchpoint hit here - reg_ctx->ClearWatchpointHits(); - break; - } - } + POSIXBreakpointProtocol *reg_ctx = GetPOSIXBreakpointProtocol(); + if (reg_ctx) { + uint32_t num_hw_wps = reg_ctx->NumSupportedHardwareWatchpoints(); + uint32_t wp_idx; + for (wp_idx = 0; wp_idx < num_hw_wps; wp_idx++) { + if (reg_ctx->IsWatchpointHit(wp_idx)) { + // Clear the watchpoint hit here + reg_ctx->ClearWatchpointHits(); + break; + } + } - if (wp_idx == num_hw_wps) - return; + if (wp_idx == num_hw_wps) + return; - Target &target = GetProcess()->GetTarget(); - lldb::addr_t wp_monitor_addr = reg_ctx->GetWatchpointAddress(wp_idx); - const WatchpointList &wp_list = target.GetWatchpointList(); - lldb::WatchpointSP wp_sp = wp_list.FindByAddress(wp_monitor_addr); + Target &target = GetProcess()->GetTarget(); + lldb::addr_t wp_monitor_addr = reg_ctx->GetWatchpointAddress(wp_idx); + const WatchpointList &wp_list = target.GetWatchpointList(); + lldb::WatchpointSP wp_sp = wp_list.FindByAddress(wp_monitor_addr); - assert(wp_sp.get() && "No watchpoint found"); - SetStopInfo (StopInfo::CreateStopReasonWithWatchpointID(*this, - wp_sp->GetID())); - } + assert(wp_sp.get() && "No watchpoint found"); + SetStopInfo( + StopInfo::CreateStopReasonWithWatchpointID(*this, wp_sp->GetID())); + } } -void -FreeBSDThread::TraceNotify(const ProcessMessage &message) -{ - Log *log (ProcessPOSIXLog::GetLogIfAllCategoriesSet (POSIX_LOG_THREAD)); - - // Try to resolve the breakpoint object corresponding to the current PC. - assert(GetRegisterContext()); - lldb::addr_t pc = GetRegisterContext()->GetPC(); - if (log) - log->Printf ("FreeBSDThread::%s () PC=0x%8.8" PRIx64, __FUNCTION__, pc); - lldb::BreakpointSiteSP bp_site(GetProcess()->GetBreakpointSiteList().FindByAddress(pc)); - - // If the current pc is a breakpoint site then set the StopInfo to Breakpoint. - // Otherwise, set the StopInfo to Watchpoint or Trace. - // If we have an operating system plug-in, we might have set a thread specific breakpoint using the - // operating system thread ID, so we can't make any assumptions about the thread ID so we must always - // report the breakpoint regardless of the thread. - if (bp_site && (bp_site->ValidForThisThread(this) || GetProcess()->GetOperatingSystem () != NULL)) - SetStopInfo(StopInfo::CreateStopReasonWithBreakpointSiteID(*this, bp_site->GetID())); - else - { - POSIXBreakpointProtocol* reg_ctx = GetPOSIXBreakpointProtocol(); - if (reg_ctx) - { - uint32_t num_hw_wps = reg_ctx->NumSupportedHardwareWatchpoints(); - uint32_t wp_idx; - for (wp_idx = 0; wp_idx < num_hw_wps; wp_idx++) - { - if (reg_ctx->IsWatchpointHit(wp_idx)) - { - WatchNotify(message); - return; - } - } +void FreeBSDThread::TraceNotify(const ProcessMessage &message) { + Log *log(ProcessPOSIXLog::GetLogIfAllCategoriesSet(POSIX_LOG_THREAD)); + + // Try to resolve the breakpoint object corresponding to the current PC. + assert(GetRegisterContext()); + lldb::addr_t pc = GetRegisterContext()->GetPC(); + if (log) + log->Printf("FreeBSDThread::%s () PC=0x%8.8" PRIx64, __FUNCTION__, pc); + lldb::BreakpointSiteSP bp_site( + GetProcess()->GetBreakpointSiteList().FindByAddress(pc)); + + // If the current pc is a breakpoint site then set the StopInfo to Breakpoint. + // Otherwise, set the StopInfo to Watchpoint or Trace. + // If we have an operating system plug-in, we might have set a thread specific + // breakpoint using the + // operating system thread ID, so we can't make any assumptions about the + // thread ID so we must always + // report the breakpoint regardless of the thread. + if (bp_site && (bp_site->ValidForThisThread(this) || + GetProcess()->GetOperatingSystem() != NULL)) + SetStopInfo(StopInfo::CreateStopReasonWithBreakpointSiteID( + *this, bp_site->GetID())); + else { + POSIXBreakpointProtocol *reg_ctx = GetPOSIXBreakpointProtocol(); + if (reg_ctx) { + uint32_t num_hw_wps = reg_ctx->NumSupportedHardwareWatchpoints(); + uint32_t wp_idx; + for (wp_idx = 0; wp_idx < num_hw_wps; wp_idx++) { + if (reg_ctx->IsWatchpointHit(wp_idx)) { + WatchNotify(message); + return; } - SetStopInfo (StopInfo::CreateStopReasonToTrace(*this)); + } } + SetStopInfo(StopInfo::CreateStopReasonToTrace(*this)); + } } -void -FreeBSDThread::LimboNotify(const ProcessMessage &message) -{ - SetStopInfo (lldb::StopInfoSP(new POSIXLimboStopInfo(*this))); +void FreeBSDThread::LimboNotify(const ProcessMessage &message) { + SetStopInfo(lldb::StopInfoSP(new POSIXLimboStopInfo(*this))); } -void -FreeBSDThread::SignalNotify(const ProcessMessage &message) -{ - int signo = message.GetSignal(); - SetStopInfo (StopInfo::CreateStopReasonWithSignal(*this, signo)); +void FreeBSDThread::SignalNotify(const ProcessMessage &message) { + int signo = message.GetSignal(); + SetStopInfo(StopInfo::CreateStopReasonWithSignal(*this, signo)); } -void -FreeBSDThread::SignalDeliveredNotify(const ProcessMessage &message) -{ - int signo = message.GetSignal(); - SetStopInfo (StopInfo::CreateStopReasonWithSignal(*this, signo)); +void FreeBSDThread::SignalDeliveredNotify(const ProcessMessage &message) { + int signo = message.GetSignal(); + SetStopInfo(StopInfo::CreateStopReasonWithSignal(*this, signo)); } -void -FreeBSDThread::CrashNotify(const ProcessMessage &message) -{ - // FIXME: Update stop reason as per bugzilla 14598 - int signo = message.GetSignal(); +void FreeBSDThread::CrashNotify(const ProcessMessage &message) { + // FIXME: Update stop reason as per bugzilla 14598 + int signo = message.GetSignal(); - assert(message.GetKind() == ProcessMessage::eCrashMessage); + assert(message.GetKind() == ProcessMessage::eCrashMessage); - Log *log (ProcessPOSIXLog::GetLogIfAllCategoriesSet (POSIX_LOG_THREAD)); - if (log) - log->Printf ("FreeBSDThread::%s () signo = %i, reason = '%s'", - __FUNCTION__, signo, message.PrintCrashReason()); + Log *log(ProcessPOSIXLog::GetLogIfAllCategoriesSet(POSIX_LOG_THREAD)); + if (log) + log->Printf("FreeBSDThread::%s () signo = %i, reason = '%s'", __FUNCTION__, + signo, message.PrintCrashReason()); - SetStopInfo (lldb::StopInfoSP(new POSIXCrashStopInfo(*this, signo, - message.GetCrashReason(), - message.GetFaultAddress()))); + SetStopInfo(lldb::StopInfoSP(new POSIXCrashStopInfo( + *this, signo, message.GetCrashReason(), message.GetFaultAddress()))); } -unsigned -FreeBSDThread::GetRegisterIndexFromOffset(unsigned offset) -{ - unsigned reg = LLDB_INVALID_REGNUM; - ArchSpec arch = HostInfo::GetArchitecture(); - - switch (arch.GetMachine()) - { - default: - llvm_unreachable("CPU type not supported!"); - break; - - case llvm::Triple::aarch64: - case llvm::Triple::arm: - case llvm::Triple::mips64: - case llvm::Triple::ppc: - case llvm::Triple::ppc64: - case llvm::Triple::x86: - case llvm::Triple::x86_64: - { - POSIXBreakpointProtocol* reg_ctx = GetPOSIXBreakpointProtocol(); - reg = reg_ctx->GetRegisterIndexFromOffset(offset); - } - break; - } - return reg; +unsigned FreeBSDThread::GetRegisterIndexFromOffset(unsigned offset) { + unsigned reg = LLDB_INVALID_REGNUM; + ArchSpec arch = HostInfo::GetArchitecture(); + + switch (arch.GetMachine()) { + default: + llvm_unreachable("CPU type not supported!"); + break; + + case llvm::Triple::aarch64: + case llvm::Triple::arm: + case llvm::Triple::mips64: + case llvm::Triple::ppc: + case llvm::Triple::ppc64: + case llvm::Triple::x86: + case llvm::Triple::x86_64: { + POSIXBreakpointProtocol *reg_ctx = GetPOSIXBreakpointProtocol(); + reg = reg_ctx->GetRegisterIndexFromOffset(offset); + } break; + } + return reg; } -void -FreeBSDThread::ExecNotify(const ProcessMessage &message) -{ - SetStopInfo (StopInfo::CreateStopReasonWithExec(*this)); +void FreeBSDThread::ExecNotify(const ProcessMessage &message) { + SetStopInfo(StopInfo::CreateStopReasonWithExec(*this)); } -const char * -FreeBSDThread::GetRegisterName(unsigned reg) -{ - const char * name = nullptr; - ArchSpec arch = HostInfo::GetArchitecture(); - - switch (arch.GetMachine()) - { - default: - assert(false && "CPU type not supported!"); - break; - - case llvm::Triple::aarch64: - case llvm::Triple::arm: - case llvm::Triple::mips64: - case llvm::Triple::ppc: - case llvm::Triple::ppc64: - case llvm::Triple::x86: - case llvm::Triple::x86_64: - name = GetRegisterContext()->GetRegisterName(reg); - break; - } - return name; +const char *FreeBSDThread::GetRegisterName(unsigned reg) { + const char *name = nullptr; + ArchSpec arch = HostInfo::GetArchitecture(); + + switch (arch.GetMachine()) { + default: + assert(false && "CPU type not supported!"); + break; + + case llvm::Triple::aarch64: + case llvm::Triple::arm: + case llvm::Triple::mips64: + case llvm::Triple::ppc: + case llvm::Triple::ppc64: + case llvm::Triple::x86: + case llvm::Triple::x86_64: + name = GetRegisterContext()->GetRegisterName(reg); + break; + } + return name; } -const char * -FreeBSDThread::GetRegisterNameFromOffset(unsigned offset) -{ - return GetRegisterName(GetRegisterIndexFromOffset(offset)); +const char *FreeBSDThread::GetRegisterNameFromOffset(unsigned offset) { + return GetRegisterName(GetRegisterIndexFromOffset(offset)); } - diff --git a/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/FreeBSDThread.h b/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/FreeBSDThread.h index 90c11db..72e8464 100644 --- a/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/FreeBSDThread.h +++ b/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/FreeBSDThread.h @@ -15,8 +15,8 @@ #include <string> // Other libraries and framework includes -#include "lldb/Target/Thread.h" #include "RegisterContextPOSIX.h" +#include "lldb/Target/Thread.h" class ProcessMessage; class ProcessMonitor; @@ -25,118 +25,99 @@ class POSIXBreakpointProtocol; //------------------------------------------------------------------------------ // @class FreeBSDThread // @brief Abstraction of a FreeBSD thread. -class FreeBSDThread - : public lldb_private::Thread -{ +class FreeBSDThread : public lldb_private::Thread { public: + //------------------------------------------------------------------ + // Constructors and destructors + //------------------------------------------------------------------ + FreeBSDThread(lldb_private::Process &process, lldb::tid_t tid); - //------------------------------------------------------------------ - // Constructors and destructors - //------------------------------------------------------------------ - FreeBSDThread(lldb_private::Process &process, lldb::tid_t tid); - - virtual ~FreeBSDThread(); + virtual ~FreeBSDThread(); - // POSIXThread - void - RefreshStateAfterStop() override; + // POSIXThread + void RefreshStateAfterStop() override; - // This notifies the thread when a private stop occurs. - void - DidStop () override; + // This notifies the thread when a private stop occurs. + void DidStop() override; - const char * - GetInfo() override; + const char *GetInfo() override; - void - SetName (const char *name) override; + void SetName(const char *name) override; - const char * - GetName () override; + const char *GetName() override; - lldb::RegisterContextSP - GetRegisterContext() override; + lldb::RegisterContextSP GetRegisterContext() override; - lldb::RegisterContextSP - CreateRegisterContextForFrame (lldb_private::StackFrame *frame) override; + lldb::RegisterContextSP + CreateRegisterContextForFrame(lldb_private::StackFrame *frame) override; - lldb::addr_t - GetThreadPointer () override; + lldb::addr_t GetThreadPointer() override; - //-------------------------------------------------------------------------- - // These functions provide a mapping from the register offset - // back to the register index or name for use in debugging or log - // output. + //-------------------------------------------------------------------------- + // These functions provide a mapping from the register offset + // back to the register index or name for use in debugging or log + // output. - unsigned - GetRegisterIndexFromOffset(unsigned offset); + unsigned GetRegisterIndexFromOffset(unsigned offset); - const char * - GetRegisterName(unsigned reg); + const char *GetRegisterName(unsigned reg); - const char * - GetRegisterNameFromOffset(unsigned offset); + const char *GetRegisterNameFromOffset(unsigned offset); - //-------------------------------------------------------------------------- - // These methods form a specialized interface to POSIX threads. - // - bool Resume(); + //-------------------------------------------------------------------------- + // These methods form a specialized interface to POSIX threads. + // + bool Resume(); - void Notify(const ProcessMessage &message); + void Notify(const ProcessMessage &message); - //-------------------------------------------------------------------------- - // These methods provide an interface to watchpoints - // - bool EnableHardwareWatchpoint(lldb_private::Watchpoint *wp); + //-------------------------------------------------------------------------- + // These methods provide an interface to watchpoints + // + bool EnableHardwareWatchpoint(lldb_private::Watchpoint *wp); - bool DisableHardwareWatchpoint(lldb_private::Watchpoint *wp); + bool DisableHardwareWatchpoint(lldb_private::Watchpoint *wp); - uint32_t NumSupportedHardwareWatchpoints(); + uint32_t NumSupportedHardwareWatchpoints(); - uint32_t FindVacantWatchpointIndex(); + uint32_t FindVacantWatchpointIndex(); protected: - POSIXBreakpointProtocol * - GetPOSIXBreakpointProtocol () - { - if (!m_reg_context_sp) - m_reg_context_sp = GetRegisterContext(); - return m_posix_thread; - } - - std::unique_ptr<lldb_private::StackFrame> m_frame_ap; - - lldb::BreakpointSiteSP m_breakpoint; - - bool m_thread_name_valid; - std::string m_thread_name; - POSIXBreakpointProtocol *m_posix_thread; - - ProcessMonitor & - GetMonitor(); - - bool - CalculateStopInfo() override; - - void BreakNotify(const ProcessMessage &message); - void WatchNotify(const ProcessMessage &message); - virtual void TraceNotify(const ProcessMessage &message); - void LimboNotify(const ProcessMessage &message); - void SignalNotify(const ProcessMessage &message); - void SignalDeliveredNotify(const ProcessMessage &message); - void CrashNotify(const ProcessMessage &message); - void ExitNotify(const ProcessMessage &message); - void ExecNotify(const ProcessMessage &message); - - lldb_private::Unwind * - GetUnwinder() override; - - //-------------------------------------------------------------------------- - // FreeBSDThread internal API. - - // POSIXThread override - virtual void - WillResume(lldb::StateType resume_state) override; + POSIXBreakpointProtocol *GetPOSIXBreakpointProtocol() { + if (!m_reg_context_sp) + m_reg_context_sp = GetRegisterContext(); + return m_posix_thread; + } + + std::unique_ptr<lldb_private::StackFrame> m_frame_ap; + + lldb::BreakpointSiteSP m_breakpoint; + + bool m_thread_name_valid; + std::string m_thread_name; + POSIXBreakpointProtocol *m_posix_thread; + + ProcessMonitor &GetMonitor(); + + bool CalculateStopInfo() override; + + void BreakNotify(const ProcessMessage &message); + void WatchNotify(const ProcessMessage &message); + virtual void TraceNotify(const ProcessMessage &message); + void LimboNotify(const ProcessMessage &message); + void SignalNotify(const ProcessMessage &message); + void SignalDeliveredNotify(const ProcessMessage &message); + void CrashNotify(const ProcessMessage &message); + void ExitNotify(const ProcessMessage &message); + void ExecNotify(const ProcessMessage &message); + + lldb_private::Unwind *GetUnwinder() override; + + //-------------------------------------------------------------------------- + // FreeBSDThread internal API. + + // POSIXThread override + virtual void WillResume(lldb::StateType resume_state) override; }; #endif // #ifndef liblldb_FreeBSDThread_H_ diff --git a/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/POSIXStopInfo.cpp b/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/POSIXStopInfo.cpp index 409cf8c..dfbd695 100644 --- a/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/POSIXStopInfo.cpp +++ b/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/POSIXStopInfo.cpp @@ -12,81 +12,50 @@ using namespace lldb; using namespace lldb_private; - //===----------------------------------------------------------------------===// // POSIXLimboStopInfo -POSIXLimboStopInfo::~POSIXLimboStopInfo() { } +POSIXLimboStopInfo::~POSIXLimboStopInfo() {} -lldb::StopReason -POSIXLimboStopInfo::GetStopReason() const -{ - return lldb::eStopReasonThreadExiting; +lldb::StopReason POSIXLimboStopInfo::GetStopReason() const { + return lldb::eStopReasonThreadExiting; } -const char * -POSIXLimboStopInfo::GetDescription() -{ - return "thread exiting"; -} +const char *POSIXLimboStopInfo::GetDescription() { return "thread exiting"; } -bool -POSIXLimboStopInfo::ShouldStop(Event *event_ptr) -{ - return false; -} +bool POSIXLimboStopInfo::ShouldStop(Event *event_ptr) { return false; } -bool -POSIXLimboStopInfo::ShouldNotify(Event *event_ptr) -{ - return false; -} +bool POSIXLimboStopInfo::ShouldNotify(Event *event_ptr) { return false; } //===----------------------------------------------------------------------===// // POSIXCrashStopInfo -POSIXCrashStopInfo::POSIXCrashStopInfo(FreeBSDThread &thread, - uint32_t status, +POSIXCrashStopInfo::POSIXCrashStopInfo(FreeBSDThread &thread, uint32_t status, CrashReason reason, lldb::addr_t fault_addr) - : POSIXStopInfo(thread, status) -{ - m_description = ::GetCrashReasonString(reason, fault_addr); + : POSIXStopInfo(thread, status) { + m_description = ::GetCrashReasonString(reason, fault_addr); } -POSIXCrashStopInfo::~POSIXCrashStopInfo() { } +POSIXCrashStopInfo::~POSIXCrashStopInfo() {} -lldb::StopReason -POSIXCrashStopInfo::GetStopReason() const -{ - return lldb::eStopReasonException; +lldb::StopReason POSIXCrashStopInfo::GetStopReason() const { + return lldb::eStopReasonException; } //===----------------------------------------------------------------------===// // POSIXNewThreadStopInfo -POSIXNewThreadStopInfo::~POSIXNewThreadStopInfo() { } +POSIXNewThreadStopInfo::~POSIXNewThreadStopInfo() {} -lldb::StopReason -POSIXNewThreadStopInfo::GetStopReason() const -{ - return lldb::eStopReasonNone; +lldb::StopReason POSIXNewThreadStopInfo::GetStopReason() const { + return lldb::eStopReasonNone; } -const char * -POSIXNewThreadStopInfo::GetDescription() -{ - return "thread spawned"; +const char *POSIXNewThreadStopInfo::GetDescription() { + return "thread spawned"; } -bool -POSIXNewThreadStopInfo::ShouldStop(Event *event_ptr) -{ - return false; -} +bool POSIXNewThreadStopInfo::ShouldStop(Event *event_ptr) { return false; } -bool -POSIXNewThreadStopInfo::ShouldNotify(Event *event_ptr) -{ - return false; -} +bool POSIXNewThreadStopInfo::ShouldNotify(Event *event_ptr) { return false; } diff --git a/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/POSIXStopInfo.h b/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/POSIXStopInfo.h index ace6c98..1ee16dd 100644 --- a/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/POSIXStopInfo.h +++ b/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/POSIXStopInfo.h @@ -25,58 +25,42 @@ /// @class POSIXStopInfo /// @brief Simple base class for all POSIX-specific StopInfo objects. /// -class POSIXStopInfo - : public lldb_private::StopInfo -{ +class POSIXStopInfo : public lldb_private::StopInfo { public: - POSIXStopInfo(lldb_private::Thread &thread, uint32_t status) - : StopInfo(thread, status) - { } + POSIXStopInfo(lldb_private::Thread &thread, uint32_t status) + : StopInfo(thread, status) {} }; //===----------------------------------------------------------------------===// /// @class POSIXLimboStopInfo /// @brief Represents the stop state of a process ready to exit. /// -class POSIXLimboStopInfo - : public POSIXStopInfo -{ +class POSIXLimboStopInfo : public POSIXStopInfo { public: - POSIXLimboStopInfo(FreeBSDThread &thread) - : POSIXStopInfo(thread, 0) - { } + POSIXLimboStopInfo(FreeBSDThread &thread) : POSIXStopInfo(thread, 0) {} - ~POSIXLimboStopInfo(); + ~POSIXLimboStopInfo(); - lldb::StopReason - GetStopReason() const; + lldb::StopReason GetStopReason() const; - const char * - GetDescription(); + const char *GetDescription(); - bool - ShouldStop(lldb_private::Event *event_ptr); + bool ShouldStop(lldb_private::Event *event_ptr); - bool - ShouldNotify(lldb_private::Event *event_ptr); + bool ShouldNotify(lldb_private::Event *event_ptr); }; - //===----------------------------------------------------------------------===// /// @class POSIXCrashStopInfo /// @brief Represents the stop state of process that is ready to crash. /// -class POSIXCrashStopInfo - : public POSIXStopInfo -{ +class POSIXCrashStopInfo : public POSIXStopInfo { public: - POSIXCrashStopInfo(FreeBSDThread &thread, uint32_t status, - CrashReason reason, - lldb::addr_t fault_addr); - ~POSIXCrashStopInfo(); + POSIXCrashStopInfo(FreeBSDThread &thread, uint32_t status, CrashReason reason, + lldb::addr_t fault_addr); + ~POSIXCrashStopInfo(); - lldb::StopReason - GetStopReason() const; + lldb::StopReason GetStopReason() const; }; //===----------------------------------------------------------------------===// @@ -84,27 +68,19 @@ public: /// @brief Represents the stop state of process when a new thread is spawned. /// -class POSIXNewThreadStopInfo - : public POSIXStopInfo -{ +class POSIXNewThreadStopInfo : public POSIXStopInfo { public: - POSIXNewThreadStopInfo (FreeBSDThread &thread) - : POSIXStopInfo (thread, 0) - { } + POSIXNewThreadStopInfo(FreeBSDThread &thread) : POSIXStopInfo(thread, 0) {} - ~POSIXNewThreadStopInfo(); + ~POSIXNewThreadStopInfo(); - lldb::StopReason - GetStopReason() const; + lldb::StopReason GetStopReason() const; - const char * - GetDescription(); + const char *GetDescription(); - bool - ShouldStop(lldb_private::Event *event_ptr); + bool ShouldStop(lldb_private::Event *event_ptr); - bool - ShouldNotify(lldb_private::Event *event_ptr); + bool ShouldNotify(lldb_private::Event *event_ptr); }; #endif diff --git a/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/ProcessFreeBSD.cpp b/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/ProcessFreeBSD.cpp index 3a72a65..82e45a5 100644 --- a/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/ProcessFreeBSD.cpp +++ b/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/ProcessFreeBSD.cpp @@ -1,4 +1,5 @@ -//===-- ProcessFreeBSD.cpp ----------------------------------------*- C++ -*-===// +//===-- ProcessFreeBSD.cpp ----------------------------------------*- C++ +//-*-===// // // The LLVM Compiler Infrastructure // @@ -21,12 +22,12 @@ #include "lldb/Target/DynamicLoader.h" #include "lldb/Target/Target.h" -#include "ProcessFreeBSD.h" -#include "ProcessPOSIXLog.h" -#include "Plugins/Process/Utility/InferiorCallPOSIX.h" +#include "FreeBSDThread.h" #include "Plugins/Process/Utility/FreeBSDSignals.h" +#include "Plugins/Process/Utility/InferiorCallPOSIX.h" +#include "ProcessFreeBSD.h" #include "ProcessMonitor.h" -#include "FreeBSDThread.h" +#include "ProcessPOSIXLog.h" // Other libraries and framework includes #include "lldb/Breakpoint/BreakpointLocation.h" @@ -44,18 +45,14 @@ #include "lldb/Host/posix/Fcntl.h" - using namespace lldb; using namespace lldb_private; -namespace -{ - UnixSignalsSP& - GetFreeBSDSignals () - { - static UnixSignalsSP s_freebsd_signals_sp (new FreeBSDSignals ()); - return s_freebsd_signals_sp; - } +namespace { +UnixSignalsSP &GetFreeBSDSignals() { + static UnixSignalsSP s_freebsd_signals_sp(new FreeBSDSignals()); + return s_freebsd_signals_sp; +} } //------------------------------------------------------------------------------ @@ -64,869 +61,756 @@ namespace lldb::ProcessSP ProcessFreeBSD::CreateInstance(lldb::TargetSP target_sp, lldb::ListenerSP listener_sp, - const FileSpec *crash_file_path) -{ - lldb::ProcessSP process_sp; - if (crash_file_path == NULL) - process_sp.reset(new ProcessFreeBSD (target_sp, listener_sp, GetFreeBSDSignals())); - return process_sp; + const FileSpec *crash_file_path) { + lldb::ProcessSP process_sp; + if (crash_file_path == NULL) + process_sp.reset( + new ProcessFreeBSD(target_sp, listener_sp, GetFreeBSDSignals())); + return process_sp; } -void -ProcessFreeBSD::Initialize() -{ - static std::once_flag g_once_flag; - - std::call_once(g_once_flag, []() { - PluginManager::RegisterPlugin(GetPluginNameStatic(), - GetPluginDescriptionStatic(), - CreateInstance); - ProcessPOSIXLog::Initialize(GetPluginNameStatic()); - }); +void ProcessFreeBSD::Initialize() { + static std::once_flag g_once_flag; + + std::call_once(g_once_flag, []() { + PluginManager::RegisterPlugin(GetPluginNameStatic(), + GetPluginDescriptionStatic(), CreateInstance); + ProcessPOSIXLog::Initialize(GetPluginNameStatic()); + }); } -lldb_private::ConstString -ProcessFreeBSD::GetPluginNameStatic() -{ - static ConstString g_name("freebsd"); - return g_name; +lldb_private::ConstString ProcessFreeBSD::GetPluginNameStatic() { + static ConstString g_name("freebsd"); + return g_name; } -const char * -ProcessFreeBSD::GetPluginDescriptionStatic() -{ - return "Process plugin for FreeBSD"; +const char *ProcessFreeBSD::GetPluginDescriptionStatic() { + return "Process plugin for FreeBSD"; } //------------------------------------------------------------------------------ // ProcessInterface protocol. -lldb_private::ConstString -ProcessFreeBSD::GetPluginName() -{ - return GetPluginNameStatic(); +lldb_private::ConstString ProcessFreeBSD::GetPluginName() { + return GetPluginNameStatic(); } -uint32_t -ProcessFreeBSD::GetPluginVersion() -{ - return 1; -} +uint32_t ProcessFreeBSD::GetPluginVersion() { return 1; } -void -ProcessFreeBSD::Terminate() -{ -} - -Error -ProcessFreeBSD::DoDetach(bool keep_stopped) -{ - Error error; - if (keep_stopped) - { - error.SetErrorString("Detaching with keep_stopped true is not currently supported on FreeBSD."); - return error; - } - - error = m_monitor->Detach(GetID()); - - if (error.Success()) - SetPrivateState(eStateDetached); +void ProcessFreeBSD::Terminate() {} +Error ProcessFreeBSD::DoDetach(bool keep_stopped) { + Error error; + if (keep_stopped) { + error.SetErrorString("Detaching with keep_stopped true is not currently " + "supported on FreeBSD."); return error; -} - -Error -ProcessFreeBSD::DoResume() -{ - Log *log (ProcessPOSIXLog::GetLogIfAllCategoriesSet (POSIX_LOG_PROCESS)); - - SetPrivateState(eStateRunning); - - std::lock_guard<std::recursive_mutex> guard(m_thread_list.GetMutex()); - bool do_step = false; + } + + error = m_monitor->Detach(GetID()); + + if (error.Success()) + SetPrivateState(eStateDetached); + + return error; +} + +Error ProcessFreeBSD::DoResume() { + Log *log(ProcessPOSIXLog::GetLogIfAllCategoriesSet(POSIX_LOG_PROCESS)); + + SetPrivateState(eStateRunning); + + std::lock_guard<std::recursive_mutex> guard(m_thread_list.GetMutex()); + bool do_step = false; + + for (tid_collection::const_iterator t_pos = m_run_tids.begin(), + t_end = m_run_tids.end(); + t_pos != t_end; ++t_pos) { + m_monitor->ThreadSuspend(*t_pos, false); + } + for (tid_collection::const_iterator t_pos = m_step_tids.begin(), + t_end = m_step_tids.end(); + t_pos != t_end; ++t_pos) { + m_monitor->ThreadSuspend(*t_pos, false); + do_step = true; + } + for (tid_collection::const_iterator t_pos = m_suspend_tids.begin(), + t_end = m_suspend_tids.end(); + t_pos != t_end; ++t_pos) { + m_monitor->ThreadSuspend(*t_pos, true); + // XXX Cannot PT_CONTINUE properly with suspended threads. + do_step = true; + } + + if (log) + log->Printf("process %" PRIu64 " resuming (%s)", GetID(), + do_step ? "step" : "continue"); + if (do_step) + m_monitor->SingleStep(GetID(), m_resume_signo); + else + m_monitor->Resume(GetID(), m_resume_signo); + + return Error(); +} + +bool ProcessFreeBSD::UpdateThreadList(ThreadList &old_thread_list, + ThreadList &new_thread_list) { + Log *log(ProcessPOSIXLog::GetLogIfAllCategoriesSet(POSIX_LOG_PROCESS)); + if (log) + log->Printf("ProcessFreeBSD::%s (pid = %" PRIu64 ")", __FUNCTION__, + GetID()); + + std::vector<lldb::pid_t> tds; + if (!GetMonitor().GetCurrentThreadIDs(tds)) { + return false; + } - for (tid_collection::const_iterator t_pos = m_run_tids.begin(), t_end = m_run_tids.end(); t_pos != t_end; ++t_pos) - { - m_monitor->ThreadSuspend(*t_pos, false); - } - for (tid_collection::const_iterator t_pos = m_step_tids.begin(), t_end = m_step_tids.end(); t_pos != t_end; ++t_pos) - { - m_monitor->ThreadSuspend(*t_pos, false); - do_step = true; + ThreadList old_thread_list_copy(old_thread_list); + for (size_t i = 0; i < tds.size(); ++i) { + tid_t tid = tds[i]; + ThreadSP thread_sp(old_thread_list_copy.RemoveThreadByID(tid, false)); + if (!thread_sp) { + thread_sp.reset(new FreeBSDThread(*this, tid)); + if (log) + log->Printf("ProcessFreeBSD::%s new tid = %" PRIu64, __FUNCTION__, tid); + } else { + if (log) + log->Printf("ProcessFreeBSD::%s existing tid = %" PRIu64, __FUNCTION__, + tid); } - for (tid_collection::const_iterator t_pos = m_suspend_tids.begin(), t_end = m_suspend_tids.end(); t_pos != t_end; ++t_pos) - { - m_monitor->ThreadSuspend(*t_pos, true); - // XXX Cannot PT_CONTINUE properly with suspended threads. - do_step = true; + new_thread_list.AddThread(thread_sp); + } + for (size_t i = 0; i < old_thread_list_copy.GetSize(false); ++i) { + ThreadSP old_thread_sp(old_thread_list_copy.GetThreadAtIndex(i, false)); + if (old_thread_sp) { + if (log) + log->Printf("ProcessFreeBSD::%s remove tid", __FUNCTION__); } + } - if (log) - log->Printf("process %" PRIu64 " resuming (%s)", GetID(), do_step ? "step" : "continue"); - if (do_step) - m_monitor->SingleStep(GetID(), m_resume_signo); - else - m_monitor->Resume(GetID(), m_resume_signo); - - return Error(); + return true; } -bool -ProcessFreeBSD::UpdateThreadList(ThreadList &old_thread_list, ThreadList &new_thread_list) -{ - Log *log (ProcessPOSIXLog::GetLogIfAllCategoriesSet (POSIX_LOG_PROCESS)); - if (log) - log->Printf("ProcessFreeBSD::%s (pid = %" PRIu64 ")", __FUNCTION__, GetID()); - - std::vector<lldb::pid_t> tds; - if (!GetMonitor().GetCurrentThreadIDs(tds)) - { - return false; - } +Error ProcessFreeBSD::WillResume() { + m_resume_signo = 0; + m_suspend_tids.clear(); + m_run_tids.clear(); + m_step_tids.clear(); + return Process::WillResume(); +} - ThreadList old_thread_list_copy(old_thread_list); - for (size_t i = 0; i < tds.size(); ++i) - { - tid_t tid = tds[i]; - ThreadSP thread_sp (old_thread_list_copy.RemoveThreadByID(tid, false)); - if (!thread_sp) - { - thread_sp.reset(new FreeBSDThread(*this, tid)); - if (log) - log->Printf("ProcessFreeBSD::%s new tid = %" PRIu64, __FUNCTION__, tid); - } - else - { - if (log) - log->Printf("ProcessFreeBSD::%s existing tid = %" PRIu64, __FUNCTION__, tid); - } - new_thread_list.AddThread(thread_sp); - } - for (size_t i = 0; i < old_thread_list_copy.GetSize(false); ++i) - { - ThreadSP old_thread_sp(old_thread_list_copy.GetThreadAtIndex(i, false)); - if (old_thread_sp) - { - if (log) - log->Printf("ProcessFreeBSD::%s remove tid", __FUNCTION__); - } - } +void ProcessFreeBSD::SendMessage(const ProcessMessage &message) { + std::lock_guard<std::recursive_mutex> guard(m_message_mutex); - return true; -} + switch (message.GetKind()) { + case ProcessMessage::eInvalidMessage: + return; -Error -ProcessFreeBSD::WillResume() -{ - m_resume_signo = 0; - m_suspend_tids.clear(); - m_run_tids.clear(); - m_step_tids.clear(); - return Process::WillResume(); -} + case ProcessMessage::eAttachMessage: + SetPrivateState(eStateStopped); + return; -void -ProcessFreeBSD::SendMessage(const ProcessMessage &message) -{ - std::lock_guard<std::recursive_mutex> guard(m_message_mutex); + case ProcessMessage::eLimboMessage: + case ProcessMessage::eExitMessage: + SetExitStatus(message.GetExitStatus(), NULL); + break; - switch (message.GetKind()) - { - case ProcessMessage::eInvalidMessage: - return; + case ProcessMessage::eSignalMessage: + case ProcessMessage::eSignalDeliveredMessage: + case ProcessMessage::eBreakpointMessage: + case ProcessMessage::eTraceMessage: + case ProcessMessage::eWatchpointMessage: + case ProcessMessage::eCrashMessage: + SetPrivateState(eStateStopped); + break; - case ProcessMessage::eAttachMessage: - SetPrivateState(eStateStopped); - return; + case ProcessMessage::eNewThreadMessage: + llvm_unreachable("eNewThreadMessage unexpected on FreeBSD"); + break; - case ProcessMessage::eLimboMessage: - case ProcessMessage::eExitMessage: - SetExitStatus(message.GetExitStatus(), NULL); - break; - - case ProcessMessage::eSignalMessage: - case ProcessMessage::eSignalDeliveredMessage: - case ProcessMessage::eBreakpointMessage: - case ProcessMessage::eTraceMessage: - case ProcessMessage::eWatchpointMessage: - case ProcessMessage::eCrashMessage: - SetPrivateState(eStateStopped); - break; - - case ProcessMessage::eNewThreadMessage: - llvm_unreachable("eNewThreadMessage unexpected on FreeBSD"); - break; - - case ProcessMessage::eExecMessage: - SetPrivateState(eStateStopped); - break; - } + case ProcessMessage::eExecMessage: + SetPrivateState(eStateStopped); + break; + } - m_message_queue.push(message); + m_message_queue.push(message); } //------------------------------------------------------------------------------ // Constructors and destructors. -ProcessFreeBSD::ProcessFreeBSD(lldb::TargetSP target_sp, lldb::ListenerSP listener_sp, UnixSignalsSP &unix_signals_sp) +ProcessFreeBSD::ProcessFreeBSD(lldb::TargetSP target_sp, + lldb::ListenerSP listener_sp, + UnixSignalsSP &unix_signals_sp) : Process(target_sp, listener_sp, unix_signals_sp), - m_byte_order(endian::InlHostByteOrder()), - m_monitor(NULL), - m_module(NULL), - m_message_mutex(), - m_exit_now(false), - m_seen_initial_stop(), - m_resume_signo(0) -{ - // FIXME: Putting this code in the ctor and saving the byte order in a - // member variable is a hack to avoid const qual issues in GetByteOrder. - lldb::ModuleSP module = GetTarget().GetExecutableModule(); - if (module && module->GetObjectFile()) - m_byte_order = module->GetObjectFile()->GetByteOrder(); + m_byte_order(endian::InlHostByteOrder()), m_monitor(NULL), m_module(NULL), + m_message_mutex(), m_exit_now(false), m_seen_initial_stop(), + m_resume_signo(0) { + // FIXME: Putting this code in the ctor and saving the byte order in a + // member variable is a hack to avoid const qual issues in GetByteOrder. + lldb::ModuleSP module = GetTarget().GetExecutableModule(); + if (module && module->GetObjectFile()) + m_byte_order = module->GetObjectFile()->GetByteOrder(); } -ProcessFreeBSD::~ProcessFreeBSD() -{ - delete m_monitor; -} +ProcessFreeBSD::~ProcessFreeBSD() { delete m_monitor; } //------------------------------------------------------------------------------ // Process protocol. -void -ProcessFreeBSD::Finalize() -{ +void ProcessFreeBSD::Finalize() { Process::Finalize(); if (m_monitor) m_monitor->StopMonitor(); } -bool -ProcessFreeBSD::CanDebug(lldb::TargetSP target_sp, bool plugin_specified_by_name) -{ - // For now we are just making sure the file exists for a given module - ModuleSP exe_module_sp(target_sp->GetExecutableModule()); - if (exe_module_sp.get()) - return exe_module_sp->GetFileSpec().Exists(); - // If there is no executable module, we return true since we might be preparing to attach. - return true; +bool ProcessFreeBSD::CanDebug(lldb::TargetSP target_sp, + bool plugin_specified_by_name) { + // For now we are just making sure the file exists for a given module + ModuleSP exe_module_sp(target_sp->GetExecutableModule()); + if (exe_module_sp.get()) + return exe_module_sp->GetFileSpec().Exists(); + // If there is no executable module, we return true since we might be + // preparing to attach. + return true; } -Error -ProcessFreeBSD::DoAttachToProcessWithID (lldb::pid_t pid, const ProcessAttachInfo &attach_info) -{ - Error error; - assert(m_monitor == NULL); +Error ProcessFreeBSD::DoAttachToProcessWithID( + lldb::pid_t pid, const ProcessAttachInfo &attach_info) { + Error error; + assert(m_monitor == NULL); - Log *log (ProcessPOSIXLog::GetLogIfAllCategoriesSet (POSIX_LOG_PROCESS)); - if (log && log->GetMask().Test(POSIX_LOG_VERBOSE)) - log->Printf ("ProcessFreeBSD::%s(pid = %" PRIi64 ")", __FUNCTION__, GetID()); + Log *log(ProcessPOSIXLog::GetLogIfAllCategoriesSet(POSIX_LOG_PROCESS)); + if (log && log->GetMask().Test(POSIX_LOG_VERBOSE)) + log->Printf("ProcessFreeBSD::%s(pid = %" PRIi64 ")", __FUNCTION__, GetID()); - m_monitor = new ProcessMonitor(this, pid, error); + m_monitor = new ProcessMonitor(this, pid, error); - if (!error.Success()) - return error; + if (!error.Success()) + return error; - PlatformSP platform_sp (GetTarget().GetPlatform ()); - assert (platform_sp.get()); - if (!platform_sp) - return error; // FIXME: Detatch? - - // Find out what we can about this process - ProcessInstanceInfo process_info; - platform_sp->GetProcessInfo (pid, process_info); - - // Resolve the executable module - ModuleSP exe_module_sp; - FileSpecList executable_search_paths (Target::GetDefaultExecutableSearchPaths()); - ModuleSpec exe_module_spec(process_info.GetExecutableFile(), GetTarget().GetArchitecture()); - error = platform_sp->ResolveExecutable(exe_module_spec, - exe_module_sp, - executable_search_paths.GetSize() ? &executable_search_paths : NULL); - if (!error.Success()) - return error; + PlatformSP platform_sp(GetTarget().GetPlatform()); + assert(platform_sp.get()); + if (!platform_sp) + return error; // FIXME: Detatch? + + // Find out what we can about this process + ProcessInstanceInfo process_info; + platform_sp->GetProcessInfo(pid, process_info); + + // Resolve the executable module + ModuleSP exe_module_sp; + FileSpecList executable_search_paths( + Target::GetDefaultExecutableSearchPaths()); + ModuleSpec exe_module_spec(process_info.GetExecutableFile(), + GetTarget().GetArchitecture()); + error = platform_sp->ResolveExecutable( + exe_module_spec, exe_module_sp, + executable_search_paths.GetSize() ? &executable_search_paths : NULL); + if (!error.Success()) + return error; - // Fix the target architecture if necessary - const ArchSpec &module_arch = exe_module_sp->GetArchitecture(); - if (module_arch.IsValid() && !GetTarget().GetArchitecture().IsExactMatch(module_arch)) - GetTarget().SetArchitecture(module_arch); + // Fix the target architecture if necessary + const ArchSpec &module_arch = exe_module_sp->GetArchitecture(); + if (module_arch.IsValid() && + !GetTarget().GetArchitecture().IsExactMatch(module_arch)) + GetTarget().SetArchitecture(module_arch); - // Initialize the target module list - GetTarget().SetExecutableModule (exe_module_sp, true); + // Initialize the target module list + GetTarget().SetExecutableModule(exe_module_sp, true); - SetSTDIOFileDescriptor(m_monitor->GetTerminalFD()); + SetSTDIOFileDescriptor(m_monitor->GetTerminalFD()); - SetID(pid); + SetID(pid); - return error; + return error; } -Error -ProcessFreeBSD::WillLaunch(Module* module) -{ - Error error; - return error; +Error ProcessFreeBSD::WillLaunch(Module *module) { + Error error; + return error; } FileSpec ProcessFreeBSD::GetFileSpec(const lldb_private::FileAction *file_action, - const FileSpec &default_file_spec, - const FileSpec &dbg_pts_file_spec) -{ - FileSpec file_spec{}; - - if (file_action && file_action->GetAction() == FileAction::eFileActionOpen) - { - file_spec = file_action->GetFileSpec(); - // By default the stdio paths passed in will be pseudo-terminal - // (/dev/pts). If so, convert to using a different default path - // instead to redirect I/O to the debugger console. This should - // also handle user overrides to /dev/null or a different file. - if (!file_spec || file_spec == dbg_pts_file_spec) - file_spec = default_file_spec; - } - return file_spec; -} - -Error -ProcessFreeBSD::DoLaunch (Module *module, - ProcessLaunchInfo &launch_info) -{ - Error error; - assert(m_monitor == NULL); - - FileSpec working_dir = launch_info.GetWorkingDirectory(); - if (working_dir && - (!working_dir.ResolvePath() || - working_dir.GetFileType() != FileSpec::eFileTypeDirectory)) - { - error.SetErrorStringWithFormat("No such file or directory: %s", - working_dir.GetCString()); - return error; - } + const FileSpec &default_file_spec, + const FileSpec &dbg_pts_file_spec) { + FileSpec file_spec{}; + + if (file_action && file_action->GetAction() == FileAction::eFileActionOpen) { + file_spec = file_action->GetFileSpec(); + // By default the stdio paths passed in will be pseudo-terminal + // (/dev/pts). If so, convert to using a different default path + // instead to redirect I/O to the debugger console. This should + // also handle user overrides to /dev/null or a different file. + if (!file_spec || file_spec == dbg_pts_file_spec) + file_spec = default_file_spec; + } + return file_spec; +} + +Error ProcessFreeBSD::DoLaunch(Module *module, ProcessLaunchInfo &launch_info) { + Error error; + assert(m_monitor == NULL); + + FileSpec working_dir = launch_info.GetWorkingDirectory(); + if (working_dir && + (!working_dir.ResolvePath() || + working_dir.GetFileType() != FileSpec::eFileTypeDirectory)) { + error.SetErrorStringWithFormat("No such file or directory: %s", + working_dir.GetCString()); + return error; + } - SetPrivateState(eStateLaunching); + SetPrivateState(eStateLaunching); - const lldb_private::FileAction *file_action; + const lldb_private::FileAction *file_action; - // Default of empty will mean to use existing open file descriptors - FileSpec stdin_file_spec{}; - FileSpec stdout_file_spec{}; - FileSpec stderr_file_spec{}; + // Default of empty will mean to use existing open file descriptors + FileSpec stdin_file_spec{}; + FileSpec stdout_file_spec{}; + FileSpec stderr_file_spec{}; - const FileSpec dbg_pts_file_spec{launch_info.GetPTY().GetSlaveName(NULL,0), false}; + const FileSpec dbg_pts_file_spec{launch_info.GetPTY().GetSlaveName(NULL, 0), + false}; - file_action = launch_info.GetFileActionForFD (STDIN_FILENO); - stdin_file_spec = GetFileSpec(file_action, stdin_file_spec, dbg_pts_file_spec); + file_action = launch_info.GetFileActionForFD(STDIN_FILENO); + stdin_file_spec = + GetFileSpec(file_action, stdin_file_spec, dbg_pts_file_spec); - file_action = launch_info.GetFileActionForFD (STDOUT_FILENO); - stdout_file_spec = GetFileSpec(file_action, stdout_file_spec, dbg_pts_file_spec); + file_action = launch_info.GetFileActionForFD(STDOUT_FILENO); + stdout_file_spec = + GetFileSpec(file_action, stdout_file_spec, dbg_pts_file_spec); - file_action = launch_info.GetFileActionForFD (STDERR_FILENO); - stderr_file_spec = GetFileSpec(file_action, stderr_file_spec, dbg_pts_file_spec); + file_action = launch_info.GetFileActionForFD(STDERR_FILENO); + stderr_file_spec = + GetFileSpec(file_action, stderr_file_spec, dbg_pts_file_spec); - m_monitor = new ProcessMonitor(this, - module, - launch_info.GetArguments().GetConstArgumentVector(), - launch_info.GetEnvironmentEntries().GetConstArgumentVector(), - stdin_file_spec, - stdout_file_spec, - stderr_file_spec, - working_dir, - launch_info, - error); + m_monitor = new ProcessMonitor( + this, module, launch_info.GetArguments().GetConstArgumentVector(), + launch_info.GetEnvironmentEntries().GetConstArgumentVector(), + stdin_file_spec, stdout_file_spec, stderr_file_spec, working_dir, + launch_info, error); - m_module = module; + m_module = module; - if (!error.Success()) - return error; + if (!error.Success()) + return error; - int terminal = m_monitor->GetTerminalFD(); - if (terminal >= 0) { - // The reader thread will close the file descriptor when done, so we pass it a copy. + int terminal = m_monitor->GetTerminalFD(); + if (terminal >= 0) { +// The reader thread will close the file descriptor when done, so we pass it a +// copy. #ifdef F_DUPFD_CLOEXEC - int stdio = fcntl(terminal, F_DUPFD_CLOEXEC, 0); - if (stdio == -1) { - error.SetErrorToErrno(); - return error; - } + int stdio = fcntl(terminal, F_DUPFD_CLOEXEC, 0); + if (stdio == -1) { + error.SetErrorToErrno(); + return error; + } #else - // Special case when F_DUPFD_CLOEXEC does not exist (Debian kFreeBSD) - int stdio = fcntl(terminal, F_DUPFD, 0); - if (stdio == -1) { - error.SetErrorToErrno(); - return error; - } - stdio = fcntl(terminal, F_SETFD, FD_CLOEXEC); - if (stdio == -1) { - error.SetErrorToErrno(); - return error; - } -#endif - SetSTDIOFileDescriptor(stdio); + // Special case when F_DUPFD_CLOEXEC does not exist (Debian kFreeBSD) + int stdio = fcntl(terminal, F_DUPFD, 0); + if (stdio == -1) { + error.SetErrorToErrno(); + return error; + } + stdio = fcntl(terminal, F_SETFD, FD_CLOEXEC); + if (stdio == -1) { + error.SetErrorToErrno(); + return error; } +#endif + SetSTDIOFileDescriptor(stdio); + } - SetID(m_monitor->GetPID()); - return error; + SetID(m_monitor->GetPID()); + return error; } -void -ProcessFreeBSD::DidLaunch() -{ -} +void ProcessFreeBSD::DidLaunch() {} -addr_t -ProcessFreeBSD::GetImageInfoAddress() -{ - Target *target = &GetTarget(); - ObjectFile *obj_file = target->GetExecutableModule()->GetObjectFile(); - Address addr = obj_file->GetImageInfoAddress(target); +addr_t ProcessFreeBSD::GetImageInfoAddress() { + Target *target = &GetTarget(); + ObjectFile *obj_file = target->GetExecutableModule()->GetObjectFile(); + Address addr = obj_file->GetImageInfoAddress(target); - if (addr.IsValid()) - return addr.GetLoadAddress(target); - return LLDB_INVALID_ADDRESS; + if (addr.IsValid()) + return addr.GetLoadAddress(target); + return LLDB_INVALID_ADDRESS; } -Error -ProcessFreeBSD::DoHalt(bool &caused_stop) -{ - Error error; +Error ProcessFreeBSD::DoHalt(bool &caused_stop) { + Error error; - if (IsStopped()) - { - caused_stop = false; - } - else if (kill(GetID(), SIGSTOP)) - { - caused_stop = false; - error.SetErrorToErrno(); - } - else - { - caused_stop = true; - } - return error; + if (IsStopped()) { + caused_stop = false; + } else if (kill(GetID(), SIGSTOP)) { + caused_stop = false; + error.SetErrorToErrno(); + } else { + caused_stop = true; + } + return error; } -Error -ProcessFreeBSD::DoSignal(int signal) -{ - Error error; +Error ProcessFreeBSD::DoSignal(int signal) { + Error error; - if (kill(GetID(), signal)) - error.SetErrorToErrno(); + if (kill(GetID(), signal)) + error.SetErrorToErrno(); - return error; + return error; } -Error -ProcessFreeBSD::DoDestroy() -{ - Error error; - - if (!HasExited()) - { - assert(m_monitor); - m_exit_now = true; - if (GetID() == LLDB_INVALID_PROCESS_ID) - { - error.SetErrorString("invalid process id"); - return error; - } - if (!m_monitor->Kill()) - { - error.SetErrorToErrno(); - return error; - } - - SetPrivateState(eStateExited); - } +Error ProcessFreeBSD::DoDestroy() { + Error error; - return error; -} + if (!HasExited()) { + assert(m_monitor); + m_exit_now = true; + if (GetID() == LLDB_INVALID_PROCESS_ID) { + error.SetErrorString("invalid process id"); + return error; + } + if (!m_monitor->Kill()) { + error.SetErrorToErrno(); + return error; + } -void -ProcessFreeBSD::DoDidExec() -{ - Target *target = &GetTarget(); - if (target) - { - PlatformSP platform_sp (target->GetPlatform()); - assert (platform_sp.get()); - if (platform_sp) - { - ProcessInstanceInfo process_info; - platform_sp->GetProcessInfo(GetID(), process_info); - ModuleSP exe_module_sp; - ModuleSpec exe_module_spec(process_info.GetExecutableFile(), target->GetArchitecture()); - FileSpecList executable_search_paths (Target::GetDefaultExecutableSearchPaths()); - Error error = platform_sp->ResolveExecutable(exe_module_spec, - exe_module_sp, - executable_search_paths.GetSize() ? &executable_search_paths : NULL); - if (!error.Success()) - return; - target->SetExecutableModule(exe_module_sp, true); - } + SetPrivateState(eStateExited); + } + + return error; +} + +void ProcessFreeBSD::DoDidExec() { + Target *target = &GetTarget(); + if (target) { + PlatformSP platform_sp(target->GetPlatform()); + assert(platform_sp.get()); + if (platform_sp) { + ProcessInstanceInfo process_info; + platform_sp->GetProcessInfo(GetID(), process_info); + ModuleSP exe_module_sp; + ModuleSpec exe_module_spec(process_info.GetExecutableFile(), + target->GetArchitecture()); + FileSpecList executable_search_paths( + Target::GetDefaultExecutableSearchPaths()); + Error error = platform_sp->ResolveExecutable( + exe_module_spec, exe_module_sp, + executable_search_paths.GetSize() ? &executable_search_paths : NULL); + if (!error.Success()) + return; + target->SetExecutableModule(exe_module_sp, true); } + } } -bool -ProcessFreeBSD::AddThreadForInitialStopIfNeeded(lldb::tid_t stop_tid) -{ - bool added_to_set = false; - ThreadStopSet::iterator it = m_seen_initial_stop.find(stop_tid); - if (it == m_seen_initial_stop.end()) - { - m_seen_initial_stop.insert(stop_tid); - added_to_set = true; - } - return added_to_set; +bool ProcessFreeBSD::AddThreadForInitialStopIfNeeded(lldb::tid_t stop_tid) { + bool added_to_set = false; + ThreadStopSet::iterator it = m_seen_initial_stop.find(stop_tid); + if (it == m_seen_initial_stop.end()) { + m_seen_initial_stop.insert(stop_tid); + added_to_set = true; + } + return added_to_set; } -bool -ProcessFreeBSD::WaitingForInitialStop(lldb::tid_t stop_tid) -{ - return (m_seen_initial_stop.find(stop_tid) == m_seen_initial_stop.end()); +bool ProcessFreeBSD::WaitingForInitialStop(lldb::tid_t stop_tid) { + return (m_seen_initial_stop.find(stop_tid) == m_seen_initial_stop.end()); } FreeBSDThread * -ProcessFreeBSD::CreateNewFreeBSDThread(lldb_private::Process &process, lldb::tid_t tid) -{ - return new FreeBSDThread(process, tid); +ProcessFreeBSD::CreateNewFreeBSDThread(lldb_private::Process &process, + lldb::tid_t tid) { + return new FreeBSDThread(process, tid); } -void -ProcessFreeBSD::RefreshStateAfterStop() -{ - Log *log (ProcessPOSIXLog::GetLogIfAllCategoriesSet (POSIX_LOG_PROCESS)); - if (log && log->GetMask().Test(POSIX_LOG_VERBOSE)) - log->Printf ("ProcessFreeBSD::%s(), message_queue size = %d", __FUNCTION__, (int)m_message_queue.size()); - - std::lock_guard<std::recursive_mutex> guard(m_message_mutex); +void ProcessFreeBSD::RefreshStateAfterStop() { + Log *log(ProcessPOSIXLog::GetLogIfAllCategoriesSet(POSIX_LOG_PROCESS)); + if (log && log->GetMask().Test(POSIX_LOG_VERBOSE)) + log->Printf("ProcessFreeBSD::%s(), message_queue size = %d", __FUNCTION__, + (int)m_message_queue.size()); - // This method used to only handle one message. Changing it to loop allows - // it to handle the case where we hit a breakpoint while handling a different - // breakpoint. - while (!m_message_queue.empty()) - { - ProcessMessage &message = m_message_queue.front(); + std::lock_guard<std::recursive_mutex> guard(m_message_mutex); - // Resolve the thread this message corresponds to and pass it along. - lldb::tid_t tid = message.GetTID(); - if (log) - log->Printf ("ProcessFreeBSD::%s(), message_queue size = %d, pid = %" PRIi64, __FUNCTION__, (int)m_message_queue.size(), tid); + // This method used to only handle one message. Changing it to loop allows + // it to handle the case where we hit a breakpoint while handling a different + // breakpoint. + while (!m_message_queue.empty()) { + ProcessMessage &message = m_message_queue.front(); - m_thread_list.RefreshStateAfterStop(); + // Resolve the thread this message corresponds to and pass it along. + lldb::tid_t tid = message.GetTID(); + if (log) + log->Printf( + "ProcessFreeBSD::%s(), message_queue size = %d, pid = %" PRIi64, + __FUNCTION__, (int)m_message_queue.size(), tid); - FreeBSDThread *thread = static_cast<FreeBSDThread*>( - GetThreadList().FindThreadByID(tid, false).get()); - if (thread) - thread->Notify(message); + m_thread_list.RefreshStateAfterStop(); - if (message.GetKind() == ProcessMessage::eExitMessage) - { - // FIXME: We should tell the user about this, but the limbo message is probably better for that. - if (log) - log->Printf ("ProcessFreeBSD::%s() removing thread, tid = %" PRIi64, __FUNCTION__, tid); + FreeBSDThread *thread = static_cast<FreeBSDThread *>( + GetThreadList().FindThreadByID(tid, false).get()); + if (thread) + thread->Notify(message); - std::lock_guard<std::recursive_mutex> guard(m_thread_list.GetMutex()); + if (message.GetKind() == ProcessMessage::eExitMessage) { + // FIXME: We should tell the user about this, but the limbo message is + // probably better for that. + if (log) + log->Printf("ProcessFreeBSD::%s() removing thread, tid = %" PRIi64, + __FUNCTION__, tid); - ThreadSP thread_sp = m_thread_list.RemoveThreadByID(tid, false); - thread_sp.reset(); - m_seen_initial_stop.erase(tid); - } + std::lock_guard<std::recursive_mutex> guard(m_thread_list.GetMutex()); - m_message_queue.pop(); + ThreadSP thread_sp = m_thread_list.RemoveThreadByID(tid, false); + thread_sp.reset(); + m_seen_initial_stop.erase(tid); } + + m_message_queue.pop(); + } } -bool -ProcessFreeBSD::IsAlive() -{ - StateType state = GetPrivateState(); - return state != eStateDetached - && state != eStateExited - && state != eStateInvalid - && state != eStateUnloaded; +bool ProcessFreeBSD::IsAlive() { + StateType state = GetPrivateState(); + return state != eStateDetached && state != eStateExited && + state != eStateInvalid && state != eStateUnloaded; } -size_t -ProcessFreeBSD::DoReadMemory(addr_t vm_addr, - void *buf, size_t size, Error &error) -{ - assert(m_monitor); - return m_monitor->ReadMemory(vm_addr, buf, size, error); +size_t ProcessFreeBSD::DoReadMemory(addr_t vm_addr, void *buf, size_t size, + Error &error) { + assert(m_monitor); + return m_monitor->ReadMemory(vm_addr, buf, size, error); } -size_t -ProcessFreeBSD::DoWriteMemory(addr_t vm_addr, const void *buf, size_t size, - Error &error) -{ - assert(m_monitor); - return m_monitor->WriteMemory(vm_addr, buf, size, error); +size_t ProcessFreeBSD::DoWriteMemory(addr_t vm_addr, const void *buf, + size_t size, Error &error) { + assert(m_monitor); + return m_monitor->WriteMemory(vm_addr, buf, size, error); } -addr_t -ProcessFreeBSD::DoAllocateMemory(size_t size, uint32_t permissions, - Error &error) -{ - addr_t allocated_addr = LLDB_INVALID_ADDRESS; - - unsigned prot = 0; - if (permissions & lldb::ePermissionsReadable) - prot |= eMmapProtRead; - if (permissions & lldb::ePermissionsWritable) - prot |= eMmapProtWrite; - if (permissions & lldb::ePermissionsExecutable) - prot |= eMmapProtExec; - - if (InferiorCallMmap(this, allocated_addr, 0, size, prot, - eMmapFlagsAnon | eMmapFlagsPrivate, -1, 0)) { - m_addr_to_mmap_size[allocated_addr] = size; - error.Clear(); - } else { - allocated_addr = LLDB_INVALID_ADDRESS; - error.SetErrorStringWithFormat("unable to allocate %zu bytes of memory with permissions %s", size, GetPermissionsAsCString (permissions)); - } +addr_t ProcessFreeBSD::DoAllocateMemory(size_t size, uint32_t permissions, + Error &error) { + addr_t allocated_addr = LLDB_INVALID_ADDRESS; + + unsigned prot = 0; + if (permissions & lldb::ePermissionsReadable) + prot |= eMmapProtRead; + if (permissions & lldb::ePermissionsWritable) + prot |= eMmapProtWrite; + if (permissions & lldb::ePermissionsExecutable) + prot |= eMmapProtExec; - return allocated_addr; + if (InferiorCallMmap(this, allocated_addr, 0, size, prot, + eMmapFlagsAnon | eMmapFlagsPrivate, -1, 0)) { + m_addr_to_mmap_size[allocated_addr] = size; + error.Clear(); + } else { + allocated_addr = LLDB_INVALID_ADDRESS; + error.SetErrorStringWithFormat( + "unable to allocate %zu bytes of memory with permissions %s", size, + GetPermissionsAsCString(permissions)); + } + + return allocated_addr; } -Error -ProcessFreeBSD::DoDeallocateMemory(lldb::addr_t addr) -{ - Error error; - MMapMap::iterator pos = m_addr_to_mmap_size.find(addr); - if (pos != m_addr_to_mmap_size.end() && - InferiorCallMunmap(this, addr, pos->second)) - m_addr_to_mmap_size.erase (pos); - else - error.SetErrorStringWithFormat("unable to deallocate memory at 0x%" PRIx64, addr); +Error ProcessFreeBSD::DoDeallocateMemory(lldb::addr_t addr) { + Error error; + MMapMap::iterator pos = m_addr_to_mmap_size.find(addr); + if (pos != m_addr_to_mmap_size.end() && + InferiorCallMunmap(this, addr, pos->second)) + m_addr_to_mmap_size.erase(pos); + else + error.SetErrorStringWithFormat("unable to deallocate memory at 0x%" PRIx64, + addr); - return error; + return error; } size_t -ProcessFreeBSD::GetSoftwareBreakpointTrapOpcode(BreakpointSite* bp_site) -{ - static const uint8_t g_aarch64_opcode[] = { 0x00, 0x00, 0x20, 0xD4 }; - static const uint8_t g_i386_opcode[] = { 0xCC }; - - ArchSpec arch = GetTarget().GetArchitecture(); - const uint8_t *opcode = NULL; - size_t opcode_size = 0; - - switch (arch.GetMachine()) - { - default: - assert(false && "CPU type not supported!"); - break; - - case llvm::Triple::arm: - { - // The ARM reference recommends the use of 0xe7fddefe and 0xdefe - // but the linux kernel does otherwise. - static const uint8_t g_arm_breakpoint_opcode[] = { 0xf0, 0x01, 0xf0, 0xe7 }; - static const uint8_t g_thumb_breakpoint_opcode[] = { 0x01, 0xde }; - - lldb::BreakpointLocationSP bp_loc_sp (bp_site->GetOwnerAtIndex (0)); - AddressClass addr_class = eAddressClassUnknown; - - if (bp_loc_sp) - addr_class = bp_loc_sp->GetAddress ().GetAddressClass (); - - if (addr_class == eAddressClassCodeAlternateISA - || (addr_class == eAddressClassUnknown - && bp_loc_sp->GetAddress().GetOffset() & 1)) - { - opcode = g_thumb_breakpoint_opcode; - opcode_size = sizeof(g_thumb_breakpoint_opcode); - } - else - { - opcode = g_arm_breakpoint_opcode; - opcode_size = sizeof(g_arm_breakpoint_opcode); - } - } - break; - case llvm::Triple::aarch64: - opcode = g_aarch64_opcode; - opcode_size = sizeof(g_aarch64_opcode); - break; - - case llvm::Triple::x86: - case llvm::Triple::x86_64: - opcode = g_i386_opcode; - opcode_size = sizeof(g_i386_opcode); - break; +ProcessFreeBSD::GetSoftwareBreakpointTrapOpcode(BreakpointSite *bp_site) { + static const uint8_t g_aarch64_opcode[] = {0x00, 0x00, 0x20, 0xD4}; + static const uint8_t g_i386_opcode[] = {0xCC}; + + ArchSpec arch = GetTarget().GetArchitecture(); + const uint8_t *opcode = NULL; + size_t opcode_size = 0; + + switch (arch.GetMachine()) { + default: + assert(false && "CPU type not supported!"); + break; + + case llvm::Triple::arm: { + // The ARM reference recommends the use of 0xe7fddefe and 0xdefe + // but the linux kernel does otherwise. + static const uint8_t g_arm_breakpoint_opcode[] = {0xf0, 0x01, 0xf0, 0xe7}; + static const uint8_t g_thumb_breakpoint_opcode[] = {0x01, 0xde}; + + lldb::BreakpointLocationSP bp_loc_sp(bp_site->GetOwnerAtIndex(0)); + AddressClass addr_class = eAddressClassUnknown; + + if (bp_loc_sp) + addr_class = bp_loc_sp->GetAddress().GetAddressClass(); + + if (addr_class == eAddressClassCodeAlternateISA || + (addr_class == eAddressClassUnknown && + bp_loc_sp->GetAddress().GetOffset() & 1)) { + opcode = g_thumb_breakpoint_opcode; + opcode_size = sizeof(g_thumb_breakpoint_opcode); + } else { + opcode = g_arm_breakpoint_opcode; + opcode_size = sizeof(g_arm_breakpoint_opcode); } + } break; + case llvm::Triple::aarch64: + opcode = g_aarch64_opcode; + opcode_size = sizeof(g_aarch64_opcode); + break; + + case llvm::Triple::x86: + case llvm::Triple::x86_64: + opcode = g_i386_opcode; + opcode_size = sizeof(g_i386_opcode); + break; + } - bp_site->SetTrapOpcode(opcode, opcode_size); - return opcode_size; + bp_site->SetTrapOpcode(opcode, opcode_size); + return opcode_size; } -Error -ProcessFreeBSD::EnableBreakpointSite(BreakpointSite *bp_site) -{ - return EnableSoftwareBreakpoint(bp_site); +Error ProcessFreeBSD::EnableBreakpointSite(BreakpointSite *bp_site) { + return EnableSoftwareBreakpoint(bp_site); } -Error -ProcessFreeBSD::DisableBreakpointSite(BreakpointSite *bp_site) -{ - return DisableSoftwareBreakpoint(bp_site); +Error ProcessFreeBSD::DisableBreakpointSite(BreakpointSite *bp_site) { + return DisableSoftwareBreakpoint(bp_site); } -Error -ProcessFreeBSD::EnableWatchpoint(Watchpoint *wp, bool notify) -{ - Error error; - if (wp) - { - user_id_t watchID = wp->GetID(); - addr_t addr = wp->GetLoadAddress(); - Log *log (ProcessPOSIXLog::GetLogIfAllCategoriesSet(POSIX_LOG_WATCHPOINTS)); - if (log) - log->Printf ("ProcessFreeBSD::EnableWatchpoint(watchID = %" PRIu64 ")", - watchID); - if (wp->IsEnabled()) - { - if (log) - log->Printf("ProcessFreeBSD::EnableWatchpoint(watchID = %" PRIu64 - ") addr = 0x%8.8" PRIx64 ": watchpoint already enabled.", - watchID, (uint64_t)addr); - return error; - } - - // Try to find a vacant watchpoint slot in the inferiors' main thread - uint32_t wp_hw_index = LLDB_INVALID_INDEX32; - std::lock_guard<std::recursive_mutex> guard(m_thread_list.GetMutex()); - FreeBSDThread *thread = static_cast<FreeBSDThread*>( - m_thread_list.GetThreadAtIndex(0, false).get()); +Error ProcessFreeBSD::EnableWatchpoint(Watchpoint *wp, bool notify) { + Error error; + if (wp) { + user_id_t watchID = wp->GetID(); + addr_t addr = wp->GetLoadAddress(); + Log *log(ProcessPOSIXLog::GetLogIfAllCategoriesSet(POSIX_LOG_WATCHPOINTS)); + if (log) + log->Printf("ProcessFreeBSD::EnableWatchpoint(watchID = %" PRIu64 ")", + watchID); + if (wp->IsEnabled()) { + if (log) + log->Printf("ProcessFreeBSD::EnableWatchpoint(watchID = %" PRIu64 + ") addr = 0x%8.8" PRIx64 ": watchpoint already enabled.", + watchID, (uint64_t)addr); + return error; + } - if (thread) - wp_hw_index = thread->FindVacantWatchpointIndex(); + // Try to find a vacant watchpoint slot in the inferiors' main thread + uint32_t wp_hw_index = LLDB_INVALID_INDEX32; + std::lock_guard<std::recursive_mutex> guard(m_thread_list.GetMutex()); + FreeBSDThread *thread = static_cast<FreeBSDThread *>( + m_thread_list.GetThreadAtIndex(0, false).get()); + + if (thread) + wp_hw_index = thread->FindVacantWatchpointIndex(); - if (wp_hw_index == LLDB_INVALID_INDEX32) - { - error.SetErrorString("Setting hardware watchpoint failed."); - } + if (wp_hw_index == LLDB_INVALID_INDEX32) { + error.SetErrorString("Setting hardware watchpoint failed."); + } else { + wp->SetHardwareIndex(wp_hw_index); + bool wp_enabled = true; + uint32_t thread_count = m_thread_list.GetSize(false); + for (uint32_t i = 0; i < thread_count; ++i) { + thread = static_cast<FreeBSDThread *>( + m_thread_list.GetThreadAtIndex(i, false).get()); + if (thread) + wp_enabled &= thread->EnableHardwareWatchpoint(wp); else - { - wp->SetHardwareIndex(wp_hw_index); - bool wp_enabled = true; - uint32_t thread_count = m_thread_list.GetSize(false); - for (uint32_t i = 0; i < thread_count; ++i) - { - thread = static_cast<FreeBSDThread*>( - m_thread_list.GetThreadAtIndex(i, false).get()); - if (thread) - wp_enabled &= thread->EnableHardwareWatchpoint(wp); - else - wp_enabled = false; - } - if (wp_enabled) - { - wp->SetEnabled(true, notify); - return error; - } - else - { - // Watchpoint enabling failed on at least one - // of the threads so roll back all of them - DisableWatchpoint(wp, false); - error.SetErrorString("Setting hardware watchpoint failed"); - } - } + wp_enabled = false; + } + if (wp_enabled) { + wp->SetEnabled(true, notify); + return error; + } else { + // Watchpoint enabling failed on at least one + // of the threads so roll back all of them + DisableWatchpoint(wp, false); + error.SetErrorString("Setting hardware watchpoint failed"); + } } - else - error.SetErrorString("Watchpoint argument was NULL."); - return error; + } else + error.SetErrorString("Watchpoint argument was NULL."); + return error; } -Error -ProcessFreeBSD::DisableWatchpoint(Watchpoint *wp, bool notify) -{ - Error error; - if (wp) - { - user_id_t watchID = wp->GetID(); - addr_t addr = wp->GetLoadAddress(); - Log *log (ProcessPOSIXLog::GetLogIfAllCategoriesSet(POSIX_LOG_WATCHPOINTS)); - if (log) - log->Printf("ProcessFreeBSD::DisableWatchpoint(watchID = %" PRIu64 ")", - watchID); - if (!wp->IsEnabled()) - { - if (log) - log->Printf("ProcessFreeBSD::DisableWatchpoint(watchID = %" PRIu64 - ") addr = 0x%8.8" PRIx64 ": watchpoint already disabled.", - watchID, (uint64_t)addr); - // This is needed (for now) to keep watchpoints disabled correctly - wp->SetEnabled(false, notify); - return error; - } - - if (wp->IsHardware()) - { - bool wp_disabled = true; - std::lock_guard<std::recursive_mutex> guard(m_thread_list.GetMutex()); - uint32_t thread_count = m_thread_list.GetSize(false); - for (uint32_t i = 0; i < thread_count; ++i) - { - FreeBSDThread *thread = static_cast<FreeBSDThread*>( - m_thread_list.GetThreadAtIndex(i, false).get()); - if (thread) - wp_disabled &= thread->DisableHardwareWatchpoint(wp); - else - wp_disabled = false; - } - if (wp_disabled) - { - wp->SetHardwareIndex(LLDB_INVALID_INDEX32); - wp->SetEnabled(false, notify); - return error; - } - else - error.SetErrorString("Disabling hardware watchpoint failed"); - } +Error ProcessFreeBSD::DisableWatchpoint(Watchpoint *wp, bool notify) { + Error error; + if (wp) { + user_id_t watchID = wp->GetID(); + addr_t addr = wp->GetLoadAddress(); + Log *log(ProcessPOSIXLog::GetLogIfAllCategoriesSet(POSIX_LOG_WATCHPOINTS)); + if (log) + log->Printf("ProcessFreeBSD::DisableWatchpoint(watchID = %" PRIu64 ")", + watchID); + if (!wp->IsEnabled()) { + if (log) + log->Printf("ProcessFreeBSD::DisableWatchpoint(watchID = %" PRIu64 + ") addr = 0x%8.8" PRIx64 ": watchpoint already disabled.", + watchID, (uint64_t)addr); + // This is needed (for now) to keep watchpoints disabled correctly + wp->SetEnabled(false, notify); + return error; } - else - error.SetErrorString("Watchpoint argument was NULL."); - return error; + + if (wp->IsHardware()) { + bool wp_disabled = true; + std::lock_guard<std::recursive_mutex> guard(m_thread_list.GetMutex()); + uint32_t thread_count = m_thread_list.GetSize(false); + for (uint32_t i = 0; i < thread_count; ++i) { + FreeBSDThread *thread = static_cast<FreeBSDThread *>( + m_thread_list.GetThreadAtIndex(i, false).get()); + if (thread) + wp_disabled &= thread->DisableHardwareWatchpoint(wp); + else + wp_disabled = false; + } + if (wp_disabled) { + wp->SetHardwareIndex(LLDB_INVALID_INDEX32); + wp->SetEnabled(false, notify); + return error; + } else + error.SetErrorString("Disabling hardware watchpoint failed"); + } + } else + error.SetErrorString("Watchpoint argument was NULL."); + return error; } -Error -ProcessFreeBSD::GetWatchpointSupportInfo(uint32_t &num) -{ - Error error; - std::lock_guard<std::recursive_mutex> guard(m_thread_list.GetMutex()); - FreeBSDThread *thread = static_cast<FreeBSDThread*>( - m_thread_list.GetThreadAtIndex(0, false).get()); - if (thread) - num = thread->NumSupportedHardwareWatchpoints(); - else - error.SetErrorString("Process does not exist."); - return error; +Error ProcessFreeBSD::GetWatchpointSupportInfo(uint32_t &num) { + Error error; + std::lock_guard<std::recursive_mutex> guard(m_thread_list.GetMutex()); + FreeBSDThread *thread = static_cast<FreeBSDThread *>( + m_thread_list.GetThreadAtIndex(0, false).get()); + if (thread) + num = thread->NumSupportedHardwareWatchpoints(); + else + error.SetErrorString("Process does not exist."); + return error; } -Error -ProcessFreeBSD::GetWatchpointSupportInfo(uint32_t &num, bool &after) -{ - Error error = GetWatchpointSupportInfo(num); - // Watchpoints trigger and halt the inferior after - // the corresponding instruction has been executed. - after = true; - return error; +Error ProcessFreeBSD::GetWatchpointSupportInfo(uint32_t &num, bool &after) { + Error error = GetWatchpointSupportInfo(num); + // Watchpoints trigger and halt the inferior after + // the corresponding instruction has been executed. + after = true; + return error; } -uint32_t -ProcessFreeBSD::UpdateThreadListIfNeeded() -{ - std::lock_guard<std::recursive_mutex> guard(m_thread_list.GetMutex()); - // Do not allow recursive updates. - return m_thread_list.GetSize(false); +uint32_t ProcessFreeBSD::UpdateThreadListIfNeeded() { + std::lock_guard<std::recursive_mutex> guard(m_thread_list.GetMutex()); + // Do not allow recursive updates. + return m_thread_list.GetSize(false); } #if 0 @@ -955,91 +839,77 @@ ProcessFreeBSD::UpdateThreadList(ThreadList &old_thread_list, ThreadList &new_th } #endif -ByteOrder -ProcessFreeBSD::GetByteOrder() const -{ - // FIXME: We should be able to extract this value directly. See comment in - // ProcessFreeBSD(). - return m_byte_order; +ByteOrder ProcessFreeBSD::GetByteOrder() const { + // FIXME: We should be able to extract this value directly. See comment in + // ProcessFreeBSD(). + return m_byte_order; } -size_t -ProcessFreeBSD::PutSTDIN(const char *buf, size_t len, Error &error) -{ - ssize_t status; - if ((status = write(m_monitor->GetTerminalFD(), buf, len)) < 0) - { - error.SetErrorToErrno(); - return 0; - } - return status; +size_t ProcessFreeBSD::PutSTDIN(const char *buf, size_t len, Error &error) { + ssize_t status; + if ((status = write(m_monitor->GetTerminalFD(), buf, len)) < 0) { + error.SetErrorToErrno(); + return 0; + } + return status; } //------------------------------------------------------------------------------ // Utility functions. -bool -ProcessFreeBSD::HasExited() -{ - switch (GetPrivateState()) - { - default: - break; - - case eStateDetached: - case eStateExited: - return true; - } - - return false; -} +bool ProcessFreeBSD::HasExited() { + switch (GetPrivateState()) { + default: + break; -bool -ProcessFreeBSD::IsStopped() -{ - switch (GetPrivateState()) - { - default: - break; - - case eStateStopped: - case eStateCrashed: - case eStateSuspended: - return true; - } + case eStateDetached: + case eStateExited: + return true; + } - return false; + return false; } -bool -ProcessFreeBSD::IsAThreadRunning() -{ - bool is_running = false; - std::lock_guard<std::recursive_mutex> guard(m_thread_list.GetMutex()); - uint32_t thread_count = m_thread_list.GetSize(false); - for (uint32_t i = 0; i < thread_count; ++i) - { - FreeBSDThread *thread = static_cast<FreeBSDThread*>( - m_thread_list.GetThreadAtIndex(i, false).get()); - StateType thread_state = thread->GetState(); - if (thread_state == eStateRunning || thread_state == eStateStepping) - { - is_running = true; - break; - } - } - return is_running; -} +bool ProcessFreeBSD::IsStopped() { + switch (GetPrivateState()) { + default: + break; -const DataBufferSP -ProcessFreeBSD::GetAuxvData () -{ - // If we're the local platform, we can ask the host for auxv data. - PlatformSP platform_sp = GetTarget().GetPlatform (); - if (platform_sp && platform_sp->IsHost ()) - return lldb_private::Host::GetAuxvData(this); - - // Somewhat unexpected - the process is not running locally or we don't have a platform. - assert (false && "no platform or not the host - how did we get here with ProcessFreeBSD?"); - return DataBufferSP (); + case eStateStopped: + case eStateCrashed: + case eStateSuspended: + return true; + } + + return false; +} + +bool ProcessFreeBSD::IsAThreadRunning() { + bool is_running = false; + std::lock_guard<std::recursive_mutex> guard(m_thread_list.GetMutex()); + uint32_t thread_count = m_thread_list.GetSize(false); + for (uint32_t i = 0; i < thread_count; ++i) { + FreeBSDThread *thread = static_cast<FreeBSDThread *>( + m_thread_list.GetThreadAtIndex(i, false).get()); + StateType thread_state = thread->GetState(); + if (thread_state == eStateRunning || thread_state == eStateStepping) { + is_running = true; + break; + } + } + return is_running; +} + +const DataBufferSP ProcessFreeBSD::GetAuxvData() { + // If we're the local platform, we can ask the host for auxv data. + PlatformSP platform_sp = GetTarget().GetPlatform(); + if (platform_sp && platform_sp->IsHost()) + return lldb_private::Host::GetAuxvData(this); + + // Somewhat unexpected - the process is not running locally or we don't have a + // platform. + assert( + false && + "no platform or not the host - how did we get here with ProcessFreeBSD?"); + return DataBufferSP(); } diff --git a/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/ProcessFreeBSD.h b/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/ProcessFreeBSD.h index 888e2a9..cd38989 100644 --- a/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/ProcessFreeBSD.h +++ b/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/ProcessFreeBSD.h @@ -1,4 +1,5 @@ -//===-- ProcessFreeBSD.h ------------------------------------------*- C++ -*-===// +//===-- ProcessFreeBSD.h ------------------------------------------*- C++ +//-*-===// // // The LLVM Compiler Infrastructure // @@ -18,233 +19,200 @@ #include <set> // Other libraries and framework includes +#include "ProcessFreeBSD.h" +#include "ProcessMessage.h" #include "lldb/Target/Process.h" #include "lldb/Target/ThreadList.h" -#include "ProcessMessage.h" -#include "ProcessFreeBSD.h" class ProcessMonitor; class FreeBSDThread; -class ProcessFreeBSD : - public lldb_private::Process -{ +class ProcessFreeBSD : public lldb_private::Process { public: - //------------------------------------------------------------------ - // Static functions. - //------------------------------------------------------------------ - static lldb::ProcessSP - CreateInstance(lldb::TargetSP target_sp, - lldb::ListenerSP listener_sp, - const lldb_private::FileSpec *crash_file_path); + //------------------------------------------------------------------ + // Static functions. + //------------------------------------------------------------------ + static lldb::ProcessSP + CreateInstance(lldb::TargetSP target_sp, lldb::ListenerSP listener_sp, + const lldb_private::FileSpec *crash_file_path); - static void - Initialize(); + static void Initialize(); - static void - Terminate(); + static void Terminate(); - static lldb_private::ConstString - GetPluginNameStatic(); + static lldb_private::ConstString GetPluginNameStatic(); - static const char * - GetPluginDescriptionStatic(); + static const char *GetPluginDescriptionStatic(); - //------------------------------------------------------------------ - // Constructors and destructors - //------------------------------------------------------------------ - ProcessFreeBSD(lldb::TargetSP target_sp, - lldb::ListenerSP listener_sp, - lldb::UnixSignalsSP &unix_signals_sp); + //------------------------------------------------------------------ + // Constructors and destructors + //------------------------------------------------------------------ + ProcessFreeBSD(lldb::TargetSP target_sp, lldb::ListenerSP listener_sp, + lldb::UnixSignalsSP &unix_signals_sp); - ~ProcessFreeBSD(); + ~ProcessFreeBSD(); - virtual lldb_private::Error - WillResume() override; + virtual lldb_private::Error WillResume() override; - //------------------------------------------------------------------ - // PluginInterface protocol - //------------------------------------------------------------------ - virtual lldb_private::ConstString - GetPluginName() override; + //------------------------------------------------------------------ + // PluginInterface protocol + //------------------------------------------------------------------ + virtual lldb_private::ConstString GetPluginName() override; - virtual uint32_t - GetPluginVersion() override; + virtual uint32_t GetPluginVersion() override; public: - //------------------------------------------------------------------ - // Process protocol. - //------------------------------------------------------------------ - void - Finalize() override; + //------------------------------------------------------------------ + // Process protocol. + //------------------------------------------------------------------ + void Finalize() override; - bool - CanDebug(lldb::TargetSP target_sp, bool plugin_specified_by_name) override; + bool CanDebug(lldb::TargetSP target_sp, + bool plugin_specified_by_name) override; - lldb_private::Error - WillLaunch(lldb_private::Module *module) override; + lldb_private::Error WillLaunch(lldb_private::Module *module) override; - lldb_private::Error - DoAttachToProcessWithID (lldb::pid_t pid, const lldb_private::ProcessAttachInfo &attach_info) override; + lldb_private::Error DoAttachToProcessWithID( + lldb::pid_t pid, + const lldb_private::ProcessAttachInfo &attach_info) override; - lldb_private::Error - DoLaunch (lldb_private::Module *exe_module, - lldb_private::ProcessLaunchInfo &launch_info) override; + lldb_private::Error + DoLaunch(lldb_private::Module *exe_module, + lldb_private::ProcessLaunchInfo &launch_info) override; - void - DidLaunch() override; + void DidLaunch() override; - lldb_private::Error - DoResume() override; + lldb_private::Error DoResume() override; - lldb_private::Error - DoHalt(bool &caused_stop) override; + lldb_private::Error DoHalt(bool &caused_stop) override; - lldb_private::Error - DoDetach(bool keep_stopped) override; + lldb_private::Error DoDetach(bool keep_stopped) override; - lldb_private::Error - DoSignal(int signal) override; + lldb_private::Error DoSignal(int signal) override; - lldb_private::Error - DoDestroy() override; + lldb_private::Error DoDestroy() override; - void - DoDidExec() override; + void DoDidExec() override; - void - RefreshStateAfterStop() override; + void RefreshStateAfterStop() override; - bool - IsAlive() override; + bool IsAlive() override; - size_t - DoReadMemory(lldb::addr_t vm_addr, - void *buf, - size_t size, - lldb_private::Error &error) override; + size_t DoReadMemory(lldb::addr_t vm_addr, void *buf, size_t size, + lldb_private::Error &error) override; - size_t - DoWriteMemory(lldb::addr_t vm_addr, const void *buf, size_t size, - lldb_private::Error &error) override; + size_t DoWriteMemory(lldb::addr_t vm_addr, const void *buf, size_t size, + lldb_private::Error &error) override; - lldb::addr_t - DoAllocateMemory(size_t size, uint32_t permissions, - lldb_private::Error &error) override; + lldb::addr_t DoAllocateMemory(size_t size, uint32_t permissions, + lldb_private::Error &error) override; - lldb_private::Error - DoDeallocateMemory(lldb::addr_t ptr) override; + lldb_private::Error DoDeallocateMemory(lldb::addr_t ptr) override; - virtual size_t - GetSoftwareBreakpointTrapOpcode(lldb_private::BreakpointSite* bp_site); + virtual size_t + GetSoftwareBreakpointTrapOpcode(lldb_private::BreakpointSite *bp_site); - lldb_private::Error - EnableBreakpointSite(lldb_private::BreakpointSite *bp_site) override; + lldb_private::Error + EnableBreakpointSite(lldb_private::BreakpointSite *bp_site) override; - lldb_private::Error - DisableBreakpointSite(lldb_private::BreakpointSite *bp_site) override; + lldb_private::Error + DisableBreakpointSite(lldb_private::BreakpointSite *bp_site) override; - lldb_private::Error - EnableWatchpoint(lldb_private::Watchpoint *wp, bool notify = true) override; + lldb_private::Error EnableWatchpoint(lldb_private::Watchpoint *wp, + bool notify = true) override; - lldb_private::Error - DisableWatchpoint(lldb_private::Watchpoint *wp, bool notify = true) override; + lldb_private::Error DisableWatchpoint(lldb_private::Watchpoint *wp, + bool notify = true) override; - lldb_private::Error - GetWatchpointSupportInfo(uint32_t &num) override; + lldb_private::Error GetWatchpointSupportInfo(uint32_t &num) override; - lldb_private::Error - GetWatchpointSupportInfo(uint32_t &num, bool &after) override; + lldb_private::Error GetWatchpointSupportInfo(uint32_t &num, + bool &after) override; - virtual uint32_t - UpdateThreadListIfNeeded(); + virtual uint32_t UpdateThreadListIfNeeded(); - bool - UpdateThreadList(lldb_private::ThreadList &old_thread_list, - lldb_private::ThreadList &new_thread_list) override; + bool UpdateThreadList(lldb_private::ThreadList &old_thread_list, + lldb_private::ThreadList &new_thread_list) override; - virtual lldb::ByteOrder - GetByteOrder() const; + virtual lldb::ByteOrder GetByteOrder() const; - lldb::addr_t - GetImageInfoAddress() override; + lldb::addr_t GetImageInfoAddress() override; - size_t - PutSTDIN(const char *buf, size_t len, lldb_private::Error &error) override; + size_t PutSTDIN(const char *buf, size_t len, + lldb_private::Error &error) override; - const lldb::DataBufferSP - GetAuxvData () override; + const lldb::DataBufferSP GetAuxvData() override; - //-------------------------------------------------------------------------- - // ProcessFreeBSD internal API. + //-------------------------------------------------------------------------- + // ProcessFreeBSD internal API. - /// Registers the given message with this process. - virtual void - SendMessage(const ProcessMessage &message); + /// Registers the given message with this process. + virtual void SendMessage(const ProcessMessage &message); - ProcessMonitor & - GetMonitor() { assert(m_monitor); return *m_monitor; } + ProcessMonitor &GetMonitor() { + assert(m_monitor); + return *m_monitor; + } - lldb_private::FileSpec - GetFileSpec(const lldb_private::FileAction *file_action, - const lldb_private::FileSpec &default_file_spec, - const lldb_private::FileSpec &dbg_pts_file_spec); + lldb_private::FileSpec + GetFileSpec(const lldb_private::FileAction *file_action, + const lldb_private::FileSpec &default_file_spec, + const lldb_private::FileSpec &dbg_pts_file_spec); - /// Adds the thread to the list of threads for which we have received the initial stopping signal. - /// The \p stop_tid parameter indicates the thread which the stop happened for. - bool - AddThreadForInitialStopIfNeeded(lldb::tid_t stop_tid); + /// Adds the thread to the list of threads for which we have received the + /// initial stopping signal. + /// The \p stop_tid parameter indicates the thread which the stop happened + /// for. + bool AddThreadForInitialStopIfNeeded(lldb::tid_t stop_tid); - bool - WaitingForInitialStop(lldb::tid_t stop_tid); + bool WaitingForInitialStop(lldb::tid_t stop_tid); - virtual FreeBSDThread * - CreateNewFreeBSDThread(lldb_private::Process &process, lldb::tid_t tid); + virtual FreeBSDThread *CreateNewFreeBSDThread(lldb_private::Process &process, + lldb::tid_t tid); protected: - /// Target byte order. - lldb::ByteOrder m_byte_order; - - /// Process monitor; - ProcessMonitor *m_monitor; + /// Target byte order. + lldb::ByteOrder m_byte_order; - /// The module we are executing. - lldb_private::Module *m_module; + /// Process monitor; + ProcessMonitor *m_monitor; - /// Message queue notifying this instance of inferior process state changes. - std::recursive_mutex m_message_mutex; - std::queue<ProcessMessage> m_message_queue; + /// The module we are executing. + lldb_private::Module *m_module; - /// Drive any exit events to completion. - bool m_exit_now; + /// Message queue notifying this instance of inferior process state changes. + std::recursive_mutex m_message_mutex; + std::queue<ProcessMessage> m_message_queue; - /// Returns true if the process has exited. - bool HasExited(); + /// Drive any exit events to completion. + bool m_exit_now; - /// Returns true if the process is stopped. - bool IsStopped(); + /// Returns true if the process has exited. + bool HasExited(); - /// Returns true if at least one running is currently running - bool IsAThreadRunning(); + /// Returns true if the process is stopped. + bool IsStopped(); - typedef std::map<lldb::addr_t, lldb::addr_t> MMapMap; - MMapMap m_addr_to_mmap_size; + /// Returns true if at least one running is currently running + bool IsAThreadRunning(); - typedef std::set<lldb::tid_t> ThreadStopSet; - /// Every thread begins with a stop signal. This keeps track - /// of the threads for which we have received the stop signal. - ThreadStopSet m_seen_initial_stop; + typedef std::map<lldb::addr_t, lldb::addr_t> MMapMap; + MMapMap m_addr_to_mmap_size; - friend class FreeBSDThread; + typedef std::set<lldb::tid_t> ThreadStopSet; + /// Every thread begins with a stop signal. This keeps track + /// of the threads for which we have received the stop signal. + ThreadStopSet m_seen_initial_stop; - typedef std::vector<lldb::tid_t> tid_collection; - tid_collection m_suspend_tids; - tid_collection m_run_tids; - tid_collection m_step_tids; + friend class FreeBSDThread; - int m_resume_signo; + typedef std::vector<lldb::tid_t> tid_collection; + tid_collection m_suspend_tids; + tid_collection m_run_tids; + tid_collection m_step_tids; + int m_resume_signo; }; -#endif // liblldb_ProcessFreeBSD_H_ +#endif // liblldb_ProcessFreeBSD_H_ diff --git a/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/ProcessMonitor.cpp b/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/ProcessMonitor.cpp index 16707a5..afc649d 100644 --- a/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/ProcessMonitor.cpp +++ b/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/ProcessMonitor.cpp @@ -10,14 +10,14 @@ // C Includes #include <errno.h> #include <poll.h> -#include <string.h> -#include <stdint.h> -#include <unistd.h> #include <signal.h> +#include <stdint.h> +#include <string.h> #include <sys/ptrace.h> #include <sys/socket.h> #include <sys/types.h> #include <sys/wait.h> +#include <unistd.h> // C++ Includes // Other libraries and framework includes @@ -26,20 +26,20 @@ #include "lldb/Core/Scalar.h" #include "lldb/Host/Host.h" #include "lldb/Host/ThreadLauncher.h" -#include "lldb/Target/Thread.h" #include "lldb/Target/RegisterContext.h" +#include "lldb/Target/Thread.h" #include "lldb/Target/UnixSignals.h" #include "lldb/Utility/PseudoTerminal.h" -#include "Plugins/Process/POSIX/CrashReason.h" #include "FreeBSDThread.h" +#include "Plugins/Process/POSIX/CrashReason.h" #include "ProcessFreeBSD.h" -#include "ProcessPOSIXLog.h" #include "ProcessMonitor.h" +#include "ProcessPOSIXLog.h" extern "C" { - extern char ** environ; - } +extern char **environ; +} using namespace lldb; using namespace lldb_private; @@ -49,96 +49,103 @@ using namespace lldb_private; #ifndef LLDB_CONFIGURATION_BUILDANDINTEGRATION // Wrapper for ptrace to catch errors and log calls. -const char * -Get_PT_IO_OP(int op) -{ - switch (op) { - case PIOD_READ_D: return "READ_D"; - case PIOD_WRITE_D: return "WRITE_D"; - case PIOD_READ_I: return "READ_I"; - case PIOD_WRITE_I: return "WRITE_I"; - default: return "Unknown op"; - } +const char *Get_PT_IO_OP(int op) { + switch (op) { + case PIOD_READ_D: + return "READ_D"; + case PIOD_WRITE_D: + return "WRITE_D"; + case PIOD_READ_I: + return "READ_I"; + case PIOD_WRITE_I: + return "WRITE_I"; + default: + return "Unknown op"; + } } // Wrapper for ptrace to catch errors and log calls. -// Note that ptrace sets errno on error because -1 is reserved as a valid result. -extern long -PtraceWrapper(int req, lldb::pid_t pid, void *addr, int data, - const char* reqName, const char* file, int line) -{ - long int result; - - Log *log (ProcessPOSIXLog::GetLogIfAllCategoriesSet(POSIX_LOG_PTRACE)); - - if (log) { - log->Printf("ptrace(%s, %" PRIu64 ", %p, %x) called from file %s line %d", - reqName, pid, addr, data, file, line); - if (req == PT_IO) { - struct ptrace_io_desc *pi = (struct ptrace_io_desc *) addr; - - log->Printf("PT_IO: op=%s offs=%zx size=%zu", - Get_PT_IO_OP(pi->piod_op), (size_t)pi->piod_offs, pi->piod_len); - } +// Note that ptrace sets errno on error because -1 is reserved as a valid +// result. +extern long PtraceWrapper(int req, lldb::pid_t pid, void *addr, int data, + const char *reqName, const char *file, int line) { + long int result; + + Log *log(ProcessPOSIXLog::GetLogIfAllCategoriesSet(POSIX_LOG_PTRACE)); + + if (log) { + log->Printf("ptrace(%s, %" PRIu64 ", %p, %x) called from file %s line %d", + reqName, pid, addr, data, file, line); + if (req == PT_IO) { + struct ptrace_io_desc *pi = (struct ptrace_io_desc *)addr; + + log->Printf("PT_IO: op=%s offs=%zx size=%zu", Get_PT_IO_OP(pi->piod_op), + (size_t)pi->piod_offs, pi->piod_len); } - - //PtraceDisplayBytes(req, data); - - errno = 0; - result = ptrace(req, pid, (caddr_t) addr, data); - - //PtraceDisplayBytes(req, data); - - if (log && errno != 0) - { - const char* str; - switch (errno) - { - case ESRCH: str = "ESRCH"; break; - case EINVAL: str = "EINVAL"; break; - case EBUSY: str = "EBUSY"; break; - case EPERM: str = "EPERM"; break; - default: str = "<unknown>"; - } - log->Printf("ptrace() failed; errno=%d (%s)", errno, str); + } + + // PtraceDisplayBytes(req, data); + + errno = 0; + result = ptrace(req, pid, (caddr_t)addr, data); + + // PtraceDisplayBytes(req, data); + + if (log && errno != 0) { + const char *str; + switch (errno) { + case ESRCH: + str = "ESRCH"; + break; + case EINVAL: + str = "EINVAL"; + break; + case EBUSY: + str = "EBUSY"; + break; + case EPERM: + str = "EPERM"; + break; + default: + str = "<unknown>"; } + log->Printf("ptrace() failed; errno=%d (%s)", errno, str); + } - if (log) { + if (log) { #ifdef __amd64__ - if (req == PT_GETREGS) { - struct reg *r = (struct reg *) addr; - - log->Printf("PT_GETREGS: rip=0x%lx rsp=0x%lx rbp=0x%lx rax=0x%lx", - r->r_rip, r->r_rsp, r->r_rbp, r->r_rax); - } - if (req == PT_GETDBREGS || req == PT_SETDBREGS) { - struct dbreg *r = (struct dbreg *) addr; - char setget = (req == PT_GETDBREGS) ? 'G' : 'S'; - - for (int i = 0; i <= 7; i++) - log->Printf("PT_%cETDBREGS: dr[%d]=0x%lx", setget, i, r->dr[i]); - } -#endif + if (req == PT_GETREGS) { + struct reg *r = (struct reg *)addr; + + log->Printf("PT_GETREGS: rip=0x%lx rsp=0x%lx rbp=0x%lx rax=0x%lx", + r->r_rip, r->r_rsp, r->r_rbp, r->r_rax); } - - return result; + if (req == PT_GETDBREGS || req == PT_SETDBREGS) { + struct dbreg *r = (struct dbreg *)addr; + char setget = (req == PT_GETDBREGS) ? 'G' : 'S'; + + for (int i = 0; i <= 7; i++) + log->Printf("PT_%cETDBREGS: dr[%d]=0x%lx", setget, i, r->dr[i]); + } +#endif + } + + return result; } // Wrapper for ptrace when logging is not required. // Sets errno to 0 prior to calling ptrace. -extern long -PtraceWrapper(int req, lldb::pid_t pid, void *addr, int data) -{ - long result = 0; - errno = 0; - result = ptrace(req, pid, (caddr_t)addr, data); - return result; +extern long PtraceWrapper(int req, lldb::pid_t pid, void *addr, int data) { + long result = 0; + errno = 0; + result = ptrace(req, pid, (caddr_t)addr, data); + return result; } -#define PTRACE(req, pid, addr, data) \ - PtraceWrapper((req), (pid), (addr), (data), #req, __FILE__, __LINE__) +#define PTRACE(req, pid, addr, data) \ + PtraceWrapper((req), (pid), (addr), (data), #req, __FILE__, __LINE__) #else - PtraceWrapper((req), (pid), (addr), (data)) +PtraceWrapper((req), (pid), (addr), (data)) #endif //------------------------------------------------------------------------------ @@ -146,58 +153,50 @@ PtraceWrapper(int req, lldb::pid_t pid, void *addr, int data) // ProcessMonitor::WriteMemory. This enables mutual recursion between these // functions without needed to go thru the thread funnel. -static size_t -DoReadMemory(lldb::pid_t pid, lldb::addr_t vm_addr, void *buf, size_t size, - Error &error) -{ - struct ptrace_io_desc pi_desc; +static size_t DoReadMemory(lldb::pid_t pid, lldb::addr_t vm_addr, void *buf, + size_t size, Error &error) { + struct ptrace_io_desc pi_desc; - pi_desc.piod_op = PIOD_READ_D; - pi_desc.piod_offs = (void *)vm_addr; - pi_desc.piod_addr = buf; - pi_desc.piod_len = size; + pi_desc.piod_op = PIOD_READ_D; + pi_desc.piod_offs = (void *)vm_addr; + pi_desc.piod_addr = buf; + pi_desc.piod_len = size; - if (PTRACE(PT_IO, pid, (caddr_t)&pi_desc, 0) < 0) - error.SetErrorToErrno(); - return pi_desc.piod_len; + if (PTRACE(PT_IO, pid, (caddr_t)&pi_desc, 0) < 0) + error.SetErrorToErrno(); + return pi_desc.piod_len; } -static size_t -DoWriteMemory(lldb::pid_t pid, lldb::addr_t vm_addr, const void *buf, - size_t size, Error &error) -{ - struct ptrace_io_desc pi_desc; +static size_t DoWriteMemory(lldb::pid_t pid, lldb::addr_t vm_addr, + const void *buf, size_t size, Error &error) { + struct ptrace_io_desc pi_desc; - pi_desc.piod_op = PIOD_WRITE_D; - pi_desc.piod_offs = (void *)vm_addr; - pi_desc.piod_addr = (void *)buf; - pi_desc.piod_len = size; + pi_desc.piod_op = PIOD_WRITE_D; + pi_desc.piod_offs = (void *)vm_addr; + pi_desc.piod_addr = (void *)buf; + pi_desc.piod_len = size; - if (PTRACE(PT_IO, pid, (caddr_t)&pi_desc, 0) < 0) - error.SetErrorToErrno(); - return pi_desc.piod_len; + if (PTRACE(PT_IO, pid, (caddr_t)&pi_desc, 0) < 0) + error.SetErrorToErrno(); + return pi_desc.piod_len; } // Simple helper function to ensure flags are enabled on the given file // descriptor. -static bool -EnsureFDFlags(int fd, int flags, Error &error) -{ - int status; - - if ((status = fcntl(fd, F_GETFL)) == -1) - { - error.SetErrorToErrno(); - return false; - } +static bool EnsureFDFlags(int fd, int flags, Error &error) { + int status; - if (fcntl(fd, F_SETFL, status | flags) == -1) - { - error.SetErrorToErrno(); - return false; - } + if ((status = fcntl(fd, F_GETFL)) == -1) { + error.SetErrorToErrno(); + return false; + } + + if (fcntl(fd, F_SETFL, status | flags) == -1) { + error.SetErrorToErrno(); + return false; + } - return true; + return true; } //------------------------------------------------------------------------------ @@ -211,1383 +210,1216 @@ EnsureFDFlags(int fd, int flags, Error &error) /// task. The Operation class provides an abstract base for all services the /// ProcessMonitor must perform via the single virtual function Execute, thus /// encapsulating the code that needs to run in the privileged context. -class Operation -{ +class Operation { public: - virtual ~Operation() {} - virtual void Execute(ProcessMonitor *monitor) = 0; + virtual ~Operation() {} + virtual void Execute(ProcessMonitor *monitor) = 0; }; //------------------------------------------------------------------------------ /// @class ReadOperation /// @brief Implements ProcessMonitor::ReadMemory. -class ReadOperation : public Operation -{ +class ReadOperation : public Operation { public: - ReadOperation(lldb::addr_t addr, void *buff, size_t size, - Error &error, size_t &result) - : m_addr(addr), m_buff(buff), m_size(size), - m_error(error), m_result(result) - { } + ReadOperation(lldb::addr_t addr, void *buff, size_t size, Error &error, + size_t &result) + : m_addr(addr), m_buff(buff), m_size(size), m_error(error), + m_result(result) {} - void Execute(ProcessMonitor *monitor); + void Execute(ProcessMonitor *monitor); private: - lldb::addr_t m_addr; - void *m_buff; - size_t m_size; - Error &m_error; - size_t &m_result; + lldb::addr_t m_addr; + void *m_buff; + size_t m_size; + Error &m_error; + size_t &m_result; }; -void -ReadOperation::Execute(ProcessMonitor *monitor) -{ - lldb::pid_t pid = monitor->GetPID(); +void ReadOperation::Execute(ProcessMonitor *monitor) { + lldb::pid_t pid = monitor->GetPID(); - m_result = DoReadMemory(pid, m_addr, m_buff, m_size, m_error); + m_result = DoReadMemory(pid, m_addr, m_buff, m_size, m_error); } //------------------------------------------------------------------------------ /// @class WriteOperation /// @brief Implements ProcessMonitor::WriteMemory. -class WriteOperation : public Operation -{ +class WriteOperation : public Operation { public: - WriteOperation(lldb::addr_t addr, const void *buff, size_t size, - Error &error, size_t &result) - : m_addr(addr), m_buff(buff), m_size(size), - m_error(error), m_result(result) - { } + WriteOperation(lldb::addr_t addr, const void *buff, size_t size, Error &error, + size_t &result) + : m_addr(addr), m_buff(buff), m_size(size), m_error(error), + m_result(result) {} - void Execute(ProcessMonitor *monitor); + void Execute(ProcessMonitor *monitor); private: - lldb::addr_t m_addr; - const void *m_buff; - size_t m_size; - Error &m_error; - size_t &m_result; + lldb::addr_t m_addr; + const void *m_buff; + size_t m_size; + Error &m_error; + size_t &m_result; }; -void -WriteOperation::Execute(ProcessMonitor *monitor) -{ - lldb::pid_t pid = monitor->GetPID(); +void WriteOperation::Execute(ProcessMonitor *monitor) { + lldb::pid_t pid = monitor->GetPID(); - m_result = DoWriteMemory(pid, m_addr, m_buff, m_size, m_error); + m_result = DoWriteMemory(pid, m_addr, m_buff, m_size, m_error); } //------------------------------------------------------------------------------ /// @class ReadRegOperation /// @brief Implements ProcessMonitor::ReadRegisterValue. -class ReadRegOperation : public Operation -{ +class ReadRegOperation : public Operation { public: - ReadRegOperation(lldb::tid_t tid, unsigned offset, unsigned size, - RegisterValue &value, bool &result) - : m_tid(tid), m_offset(offset), m_size(size), - m_value(value), m_result(result) - { } + ReadRegOperation(lldb::tid_t tid, unsigned offset, unsigned size, + RegisterValue &value, bool &result) + : m_tid(tid), m_offset(offset), m_size(size), m_value(value), + m_result(result) {} - void Execute(ProcessMonitor *monitor); + void Execute(ProcessMonitor *monitor); private: - lldb::tid_t m_tid; - unsigned m_offset; - unsigned m_size; - RegisterValue &m_value; - bool &m_result; + lldb::tid_t m_tid; + unsigned m_offset; + unsigned m_size; + RegisterValue &m_value; + bool &m_result; }; -void -ReadRegOperation::Execute(ProcessMonitor *monitor) -{ - struct reg regs; - int rc; - - if ((rc = PTRACE(PT_GETREGS, m_tid, (caddr_t)®s, 0)) < 0) { - m_result = false; - } else { - // 'struct reg' contains only 32- or 64-bit register values. Punt on - // others. Also, not all entries may be uintptr_t sized, such as 32-bit - // processes on powerpc64 (probably the same for i386 on amd64) - if (m_size == sizeof(uint32_t)) - m_value = *(uint32_t *)(((caddr_t)®s) + m_offset); - else if (m_size == sizeof(uint64_t)) - m_value = *(uint64_t *)(((caddr_t)®s) + m_offset); - else - memcpy((void *)&m_value, (((caddr_t)®s) + m_offset), m_size); - m_result = true; - } +void ReadRegOperation::Execute(ProcessMonitor *monitor) { + struct reg regs; + int rc; + + if ((rc = PTRACE(PT_GETREGS, m_tid, (caddr_t)®s, 0)) < 0) { + m_result = false; + } else { + // 'struct reg' contains only 32- or 64-bit register values. Punt on + // others. Also, not all entries may be uintptr_t sized, such as 32-bit + // processes on powerpc64 (probably the same for i386 on amd64) + if (m_size == sizeof(uint32_t)) + m_value = *(uint32_t *)(((caddr_t)®s) + m_offset); + else if (m_size == sizeof(uint64_t)) + m_value = *(uint64_t *)(((caddr_t)®s) + m_offset); + else + memcpy((void *)&m_value, (((caddr_t)®s) + m_offset), m_size); + m_result = true; + } } //------------------------------------------------------------------------------ /// @class WriteRegOperation /// @brief Implements ProcessMonitor::WriteRegisterValue. -class WriteRegOperation : public Operation -{ +class WriteRegOperation : public Operation { public: - WriteRegOperation(lldb::tid_t tid, unsigned offset, - const RegisterValue &value, bool &result) - : m_tid(tid), m_offset(offset), - m_value(value), m_result(result) - { } + WriteRegOperation(lldb::tid_t tid, unsigned offset, + const RegisterValue &value, bool &result) + : m_tid(tid), m_offset(offset), m_value(value), m_result(result) {} - void Execute(ProcessMonitor *monitor); + void Execute(ProcessMonitor *monitor); private: - lldb::tid_t m_tid; - unsigned m_offset; - const RegisterValue &m_value; - bool &m_result; + lldb::tid_t m_tid; + unsigned m_offset; + const RegisterValue &m_value; + bool &m_result; }; -void -WriteRegOperation::Execute(ProcessMonitor *monitor) -{ - struct reg regs; +void WriteRegOperation::Execute(ProcessMonitor *monitor) { + struct reg regs; - if (PTRACE(PT_GETREGS, m_tid, (caddr_t)®s, 0) < 0) { - m_result = false; - return; - } - *(uintptr_t *)(((caddr_t)®s) + m_offset) = (uintptr_t)m_value.GetAsUInt64(); - if (PTRACE(PT_SETREGS, m_tid, (caddr_t)®s, 0) < 0) - m_result = false; - else - m_result = true; + if (PTRACE(PT_GETREGS, m_tid, (caddr_t)®s, 0) < 0) { + m_result = false; + return; + } + *(uintptr_t *)(((caddr_t)®s) + m_offset) = + (uintptr_t)m_value.GetAsUInt64(); + if (PTRACE(PT_SETREGS, m_tid, (caddr_t)®s, 0) < 0) + m_result = false; + else + m_result = true; } //------------------------------------------------------------------------------ /// @class ReadDebugRegOperation /// @brief Implements ProcessMonitor::ReadDebugRegisterValue. -class ReadDebugRegOperation : public Operation -{ +class ReadDebugRegOperation : public Operation { public: - ReadDebugRegOperation(lldb::tid_t tid, unsigned offset, unsigned size, - RegisterValue &value, bool &result) - : m_tid(tid), m_offset(offset), m_size(size), - m_value(value), m_result(result) - { } + ReadDebugRegOperation(lldb::tid_t tid, unsigned offset, unsigned size, + RegisterValue &value, bool &result) + : m_tid(tid), m_offset(offset), m_size(size), m_value(value), + m_result(result) {} - void Execute(ProcessMonitor *monitor); + void Execute(ProcessMonitor *monitor); private: - lldb::tid_t m_tid; - unsigned m_offset; - unsigned m_size; - RegisterValue &m_value; - bool &m_result; + lldb::tid_t m_tid; + unsigned m_offset; + unsigned m_size; + RegisterValue &m_value; + bool &m_result; }; -void -ReadDebugRegOperation::Execute(ProcessMonitor *monitor) -{ - struct dbreg regs; - int rc; - - if ((rc = PTRACE(PT_GETDBREGS, m_tid, (caddr_t)®s, 0)) < 0) { - m_result = false; - } else { - if (m_size == sizeof(uintptr_t)) - m_value = *(uintptr_t *)(((caddr_t)®s) + m_offset); - else - memcpy((void *)&m_value, (((caddr_t)®s) + m_offset), m_size); - m_result = true; - } +void ReadDebugRegOperation::Execute(ProcessMonitor *monitor) { + struct dbreg regs; + int rc; + + if ((rc = PTRACE(PT_GETDBREGS, m_tid, (caddr_t)®s, 0)) < 0) { + m_result = false; + } else { + if (m_size == sizeof(uintptr_t)) + m_value = *(uintptr_t *)(((caddr_t)®s) + m_offset); + else + memcpy((void *)&m_value, (((caddr_t)®s) + m_offset), m_size); + m_result = true; + } } //------------------------------------------------------------------------------ /// @class WriteDebugRegOperation /// @brief Implements ProcessMonitor::WriteDebugRegisterValue. -class WriteDebugRegOperation : public Operation -{ +class WriteDebugRegOperation : public Operation { public: - WriteDebugRegOperation(lldb::tid_t tid, unsigned offset, - const RegisterValue &value, bool &result) - : m_tid(tid), m_offset(offset), - m_value(value), m_result(result) - { } + WriteDebugRegOperation(lldb::tid_t tid, unsigned offset, + const RegisterValue &value, bool &result) + : m_tid(tid), m_offset(offset), m_value(value), m_result(result) {} - void Execute(ProcessMonitor *monitor); + void Execute(ProcessMonitor *monitor); private: - lldb::tid_t m_tid; - unsigned m_offset; - const RegisterValue &m_value; - bool &m_result; + lldb::tid_t m_tid; + unsigned m_offset; + const RegisterValue &m_value; + bool &m_result; }; -void -WriteDebugRegOperation::Execute(ProcessMonitor *monitor) -{ - struct dbreg regs; +void WriteDebugRegOperation::Execute(ProcessMonitor *monitor) { + struct dbreg regs; - if (PTRACE(PT_GETDBREGS, m_tid, (caddr_t)®s, 0) < 0) { - m_result = false; - return; - } - *(uintptr_t *)(((caddr_t)®s) + m_offset) = (uintptr_t)m_value.GetAsUInt64(); - if (PTRACE(PT_SETDBREGS, m_tid, (caddr_t)®s, 0) < 0) - m_result = false; - else - m_result = true; + if (PTRACE(PT_GETDBREGS, m_tid, (caddr_t)®s, 0) < 0) { + m_result = false; + return; + } + *(uintptr_t *)(((caddr_t)®s) + m_offset) = + (uintptr_t)m_value.GetAsUInt64(); + if (PTRACE(PT_SETDBREGS, m_tid, (caddr_t)®s, 0) < 0) + m_result = false; + else + m_result = true; } //------------------------------------------------------------------------------ /// @class ReadGPROperation /// @brief Implements ProcessMonitor::ReadGPR. -class ReadGPROperation : public Operation -{ +class ReadGPROperation : public Operation { public: - ReadGPROperation(lldb::tid_t tid, void *buf, bool &result) - : m_tid(tid), m_buf(buf), m_result(result) - { } + ReadGPROperation(lldb::tid_t tid, void *buf, bool &result) + : m_tid(tid), m_buf(buf), m_result(result) {} - void Execute(ProcessMonitor *monitor); + void Execute(ProcessMonitor *monitor); private: - lldb::tid_t m_tid; - void *m_buf; - bool &m_result; + lldb::tid_t m_tid; + void *m_buf; + bool &m_result; }; -void -ReadGPROperation::Execute(ProcessMonitor *monitor) -{ - int rc; +void ReadGPROperation::Execute(ProcessMonitor *monitor) { + int rc; - errno = 0; - rc = PTRACE(PT_GETREGS, m_tid, (caddr_t)m_buf, 0); - if (errno != 0) - m_result = false; - else - m_result = true; + errno = 0; + rc = PTRACE(PT_GETREGS, m_tid, (caddr_t)m_buf, 0); + if (errno != 0) + m_result = false; + else + m_result = true; } //------------------------------------------------------------------------------ /// @class ReadFPROperation /// @brief Implements ProcessMonitor::ReadFPR. -class ReadFPROperation : public Operation -{ +class ReadFPROperation : public Operation { public: - ReadFPROperation(lldb::tid_t tid, void *buf, bool &result) - : m_tid(tid), m_buf(buf), m_result(result) - { } + ReadFPROperation(lldb::tid_t tid, void *buf, bool &result) + : m_tid(tid), m_buf(buf), m_result(result) {} - void Execute(ProcessMonitor *monitor); + void Execute(ProcessMonitor *monitor); private: - lldb::tid_t m_tid; - void *m_buf; - bool &m_result; + lldb::tid_t m_tid; + void *m_buf; + bool &m_result; }; -void -ReadFPROperation::Execute(ProcessMonitor *monitor) -{ - if (PTRACE(PT_GETFPREGS, m_tid, (caddr_t)m_buf, 0) < 0) - m_result = false; - else - m_result = true; +void ReadFPROperation::Execute(ProcessMonitor *monitor) { + if (PTRACE(PT_GETFPREGS, m_tid, (caddr_t)m_buf, 0) < 0) + m_result = false; + else + m_result = true; } //------------------------------------------------------------------------------ /// @class WriteGPROperation /// @brief Implements ProcessMonitor::WriteGPR. -class WriteGPROperation : public Operation -{ +class WriteGPROperation : public Operation { public: - WriteGPROperation(lldb::tid_t tid, void *buf, bool &result) - : m_tid(tid), m_buf(buf), m_result(result) - { } + WriteGPROperation(lldb::tid_t tid, void *buf, bool &result) + : m_tid(tid), m_buf(buf), m_result(result) {} - void Execute(ProcessMonitor *monitor); + void Execute(ProcessMonitor *monitor); private: - lldb::tid_t m_tid; - void *m_buf; - bool &m_result; + lldb::tid_t m_tid; + void *m_buf; + bool &m_result; }; -void -WriteGPROperation::Execute(ProcessMonitor *monitor) -{ - if (PTRACE(PT_SETREGS, m_tid, (caddr_t)m_buf, 0) < 0) - m_result = false; - else - m_result = true; +void WriteGPROperation::Execute(ProcessMonitor *monitor) { + if (PTRACE(PT_SETREGS, m_tid, (caddr_t)m_buf, 0) < 0) + m_result = false; + else + m_result = true; } //------------------------------------------------------------------------------ /// @class WriteFPROperation /// @brief Implements ProcessMonitor::WriteFPR. -class WriteFPROperation : public Operation -{ +class WriteFPROperation : public Operation { public: - WriteFPROperation(lldb::tid_t tid, void *buf, bool &result) - : m_tid(tid), m_buf(buf), m_result(result) - { } + WriteFPROperation(lldb::tid_t tid, void *buf, bool &result) + : m_tid(tid), m_buf(buf), m_result(result) {} - void Execute(ProcessMonitor *monitor); + void Execute(ProcessMonitor *monitor); private: - lldb::tid_t m_tid; - void *m_buf; - bool &m_result; + lldb::tid_t m_tid; + void *m_buf; + bool &m_result; }; -void -WriteFPROperation::Execute(ProcessMonitor *monitor) -{ - if (PTRACE(PT_SETFPREGS, m_tid, (caddr_t)m_buf, 0) < 0) - m_result = false; - else - m_result = true; +void WriteFPROperation::Execute(ProcessMonitor *monitor) { + if (PTRACE(PT_SETFPREGS, m_tid, (caddr_t)m_buf, 0) < 0) + m_result = false; + else + m_result = true; } //------------------------------------------------------------------------------ /// @class ResumeOperation /// @brief Implements ProcessMonitor::Resume. -class ResumeOperation : public Operation -{ +class ResumeOperation : public Operation { public: - ResumeOperation(uint32_t signo, bool &result) : - m_signo(signo), m_result(result) { } + ResumeOperation(uint32_t signo, bool &result) + : m_signo(signo), m_result(result) {} - void Execute(ProcessMonitor *monitor); + void Execute(ProcessMonitor *monitor); private: - uint32_t m_signo; - bool &m_result; + uint32_t m_signo; + bool &m_result; }; -void -ResumeOperation::Execute(ProcessMonitor *monitor) -{ - lldb::pid_t pid = monitor->GetPID(); - int data = 0; +void ResumeOperation::Execute(ProcessMonitor *monitor) { + lldb::pid_t pid = monitor->GetPID(); + int data = 0; - if (m_signo != LLDB_INVALID_SIGNAL_NUMBER) - data = m_signo; + if (m_signo != LLDB_INVALID_SIGNAL_NUMBER) + data = m_signo; - if (PTRACE(PT_CONTINUE, pid, (caddr_t)1, data)) - { - Log *log (ProcessPOSIXLog::GetLogIfAllCategoriesSet (POSIX_LOG_PROCESS)); + if (PTRACE(PT_CONTINUE, pid, (caddr_t)1, data)) { + Log *log(ProcessPOSIXLog::GetLogIfAllCategoriesSet(POSIX_LOG_PROCESS)); - if (log) - log->Printf ("ResumeOperation (%" PRIu64 ") failed: %s", pid, strerror(errno)); - m_result = false; - } - else - m_result = true; + if (log) + log->Printf("ResumeOperation (%" PRIu64 ") failed: %s", pid, + strerror(errno)); + m_result = false; + } else + m_result = true; } //------------------------------------------------------------------------------ /// @class SingleStepOperation /// @brief Implements ProcessMonitor::SingleStep. -class SingleStepOperation : public Operation -{ +class SingleStepOperation : public Operation { public: - SingleStepOperation(uint32_t signo, bool &result) - : m_signo(signo), m_result(result) { } + SingleStepOperation(uint32_t signo, bool &result) + : m_signo(signo), m_result(result) {} - void Execute(ProcessMonitor *monitor); + void Execute(ProcessMonitor *monitor); private: - uint32_t m_signo; - bool &m_result; + uint32_t m_signo; + bool &m_result; }; -void -SingleStepOperation::Execute(ProcessMonitor *monitor) -{ - lldb::pid_t pid = monitor->GetPID(); - int data = 0; +void SingleStepOperation::Execute(ProcessMonitor *monitor) { + lldb::pid_t pid = monitor->GetPID(); + int data = 0; - if (m_signo != LLDB_INVALID_SIGNAL_NUMBER) - data = m_signo; + if (m_signo != LLDB_INVALID_SIGNAL_NUMBER) + data = m_signo; - if (PTRACE(PT_STEP, pid, NULL, data)) - m_result = false; - else - m_result = true; + if (PTRACE(PT_STEP, pid, NULL, data)) + m_result = false; + else + m_result = true; } //------------------------------------------------------------------------------ /// @class LwpInfoOperation /// @brief Implements ProcessMonitor::GetLwpInfo. -class LwpInfoOperation : public Operation -{ +class LwpInfoOperation : public Operation { public: - LwpInfoOperation(lldb::tid_t tid, void *info, bool &result, int &ptrace_err) - : m_tid(tid), m_info(info), m_result(result), m_err(ptrace_err) { } + LwpInfoOperation(lldb::tid_t tid, void *info, bool &result, int &ptrace_err) + : m_tid(tid), m_info(info), m_result(result), m_err(ptrace_err) {} - void Execute(ProcessMonitor *monitor); + void Execute(ProcessMonitor *monitor); private: - lldb::tid_t m_tid; - void *m_info; - bool &m_result; - int &m_err; + lldb::tid_t m_tid; + void *m_info; + bool &m_result; + int &m_err; }; -void -LwpInfoOperation::Execute(ProcessMonitor *monitor) -{ - struct ptrace_lwpinfo plwp; - - if (PTRACE(PT_LWPINFO, m_tid, (caddr_t)&plwp, sizeof(plwp))) { - m_result = false; - m_err = errno; - } else { - memcpy(m_info, &plwp, sizeof(plwp)); - m_result = true; - } +void LwpInfoOperation::Execute(ProcessMonitor *monitor) { + struct ptrace_lwpinfo plwp; + + if (PTRACE(PT_LWPINFO, m_tid, (caddr_t)&plwp, sizeof(plwp))) { + m_result = false; + m_err = errno; + } else { + memcpy(m_info, &plwp, sizeof(plwp)); + m_result = true; + } } //------------------------------------------------------------------------------ /// @class ThreadSuspendOperation /// @brief Implements ProcessMonitor::ThreadSuspend. -class ThreadSuspendOperation : public Operation -{ +class ThreadSuspendOperation : public Operation { public: - ThreadSuspendOperation(lldb::tid_t tid, bool suspend, bool &result) - : m_tid(tid), m_suspend(suspend), m_result(result) { } + ThreadSuspendOperation(lldb::tid_t tid, bool suspend, bool &result) + : m_tid(tid), m_suspend(suspend), m_result(result) {} - void Execute(ProcessMonitor *monitor); + void Execute(ProcessMonitor *monitor); private: - lldb::tid_t m_tid; - bool m_suspend; - bool &m_result; -} ; - -void -ThreadSuspendOperation::Execute(ProcessMonitor *monitor) -{ - m_result = !PTRACE(m_suspend ? PT_SUSPEND : PT_RESUME, m_tid, NULL, 0); -} - + lldb::tid_t m_tid; + bool m_suspend; + bool &m_result; +}; +void ThreadSuspendOperation::Execute(ProcessMonitor *monitor) { + m_result = !PTRACE(m_suspend ? PT_SUSPEND : PT_RESUME, m_tid, NULL, 0); +} //------------------------------------------------------------------------------ /// @class EventMessageOperation /// @brief Implements ProcessMonitor::GetEventMessage. -class EventMessageOperation : public Operation -{ +class EventMessageOperation : public Operation { public: - EventMessageOperation(lldb::tid_t tid, unsigned long *message, bool &result) - : m_tid(tid), m_message(message), m_result(result) { } + EventMessageOperation(lldb::tid_t tid, unsigned long *message, bool &result) + : m_tid(tid), m_message(message), m_result(result) {} - void Execute(ProcessMonitor *monitor); + void Execute(ProcessMonitor *monitor); private: - lldb::tid_t m_tid; - unsigned long *m_message; - bool &m_result; + lldb::tid_t m_tid; + unsigned long *m_message; + bool &m_result; }; -void -EventMessageOperation::Execute(ProcessMonitor *monitor) -{ - struct ptrace_lwpinfo plwp; +void EventMessageOperation::Execute(ProcessMonitor *monitor) { + struct ptrace_lwpinfo plwp; - if (PTRACE(PT_LWPINFO, m_tid, (caddr_t)&plwp, sizeof(plwp))) - m_result = false; - else { - if (plwp.pl_flags & PL_FLAG_FORKED) { - *m_message = plwp.pl_child_pid; - m_result = true; - } else - m_result = false; - } + if (PTRACE(PT_LWPINFO, m_tid, (caddr_t)&plwp, sizeof(plwp))) + m_result = false; + else { + if (plwp.pl_flags & PL_FLAG_FORKED) { + *m_message = plwp.pl_child_pid; + m_result = true; + } else + m_result = false; + } } //------------------------------------------------------------------------------ /// @class KillOperation /// @brief Implements ProcessMonitor::Kill. -class KillOperation : public Operation -{ +class KillOperation : public Operation { public: - KillOperation(bool &result) : m_result(result) { } + KillOperation(bool &result) : m_result(result) {} - void Execute(ProcessMonitor *monitor); + void Execute(ProcessMonitor *monitor); private: - bool &m_result; + bool &m_result; }; -void -KillOperation::Execute(ProcessMonitor *monitor) -{ - lldb::pid_t pid = monitor->GetPID(); +void KillOperation::Execute(ProcessMonitor *monitor) { + lldb::pid_t pid = monitor->GetPID(); - if (PTRACE(PT_KILL, pid, NULL, 0)) - m_result = false; - else - m_result = true; + if (PTRACE(PT_KILL, pid, NULL, 0)) + m_result = false; + else + m_result = true; } //------------------------------------------------------------------------------ /// @class DetachOperation /// @brief Implements ProcessMonitor::Detach. -class DetachOperation : public Operation -{ +class DetachOperation : public Operation { public: - DetachOperation(Error &result) : m_error(result) { } + DetachOperation(Error &result) : m_error(result) {} - void Execute(ProcessMonitor *monitor); + void Execute(ProcessMonitor *monitor); private: - Error &m_error; + Error &m_error; }; -void -DetachOperation::Execute(ProcessMonitor *monitor) -{ - lldb::pid_t pid = monitor->GetPID(); +void DetachOperation::Execute(ProcessMonitor *monitor) { + lldb::pid_t pid = monitor->GetPID(); - if (PTRACE(PT_DETACH, pid, NULL, 0) < 0) - m_error.SetErrorToErrno(); - + if (PTRACE(PT_DETACH, pid, NULL, 0) < 0) + m_error.SetErrorToErrno(); } ProcessMonitor::OperationArgs::OperationArgs(ProcessMonitor *monitor) - : m_monitor(monitor) -{ - sem_init(&m_semaphore, 0, 0); + : m_monitor(monitor) { + sem_init(&m_semaphore, 0, 0); } -ProcessMonitor::OperationArgs::~OperationArgs() -{ - sem_destroy(&m_semaphore); -} +ProcessMonitor::OperationArgs::~OperationArgs() { sem_destroy(&m_semaphore); } ProcessMonitor::LaunchArgs::LaunchArgs(ProcessMonitor *monitor, lldb_private::Module *module, - char const **argv, - char const **envp, + char const **argv, char const **envp, const FileSpec &stdin_file_spec, const FileSpec &stdout_file_spec, const FileSpec &stderr_file_spec, const FileSpec &working_dir) - : OperationArgs(monitor), - m_module(module), - m_argv(argv), - m_envp(envp), - m_stdin_file_spec(stdin_file_spec), - m_stdout_file_spec(stdout_file_spec), - m_stderr_file_spec(stderr_file_spec), - m_working_dir(working_dir) { } + : OperationArgs(monitor), m_module(module), m_argv(argv), m_envp(envp), + m_stdin_file_spec(stdin_file_spec), m_stdout_file_spec(stdout_file_spec), + m_stderr_file_spec(stderr_file_spec), m_working_dir(working_dir) {} -ProcessMonitor::LaunchArgs::~LaunchArgs() -{ } +ProcessMonitor::LaunchArgs::~LaunchArgs() {} -ProcessMonitor::AttachArgs::AttachArgs(ProcessMonitor *monitor, - lldb::pid_t pid) - : OperationArgs(monitor), m_pid(pid) { } +ProcessMonitor::AttachArgs::AttachArgs(ProcessMonitor *monitor, lldb::pid_t pid) + : OperationArgs(monitor), m_pid(pid) {} -ProcessMonitor::AttachArgs::~AttachArgs() -{ } +ProcessMonitor::AttachArgs::~AttachArgs() {} //------------------------------------------------------------------------------ /// The basic design of the ProcessMonitor is built around two threads. /// /// One thread (@see SignalThread) simply blocks on a call to waitpid() looking /// for changes in the debugee state. When a change is detected a -/// ProcessMessage is sent to the associated ProcessFreeBSD instance. This thread +/// ProcessMessage is sent to the associated ProcessFreeBSD instance. This +/// thread /// "drives" state changes in the debugger. /// /// The second thread (@see OperationThread) is responsible for two things 1) /// launching or attaching to the inferior process, and then 2) servicing /// operations such as register reads/writes, stepping, etc. See the comments /// on the Operation class for more info as to why this is needed. -ProcessMonitor::ProcessMonitor(ProcessFreeBSD *process, - Module *module, - const char *argv[], - const char *envp[], - const FileSpec &stdin_file_spec, - const FileSpec &stdout_file_spec, - const FileSpec &stderr_file_spec, - const FileSpec &working_dir, - const lldb_private::ProcessLaunchInfo & /* launch_info */, - lldb_private::Error &error) +ProcessMonitor::ProcessMonitor( + ProcessFreeBSD *process, Module *module, const char *argv[], + const char *envp[], const FileSpec &stdin_file_spec, + const FileSpec &stdout_file_spec, const FileSpec &stderr_file_spec, + const FileSpec &working_dir, + const lldb_private::ProcessLaunchInfo & /* launch_info */, + lldb_private::Error &error) : m_process(static_cast<ProcessFreeBSD *>(process)), - m_pid(LLDB_INVALID_PROCESS_ID), - m_terminal_fd(-1), - m_operation(0) -{ - using namespace std::placeholders; - - std::unique_ptr<LaunchArgs> args(new LaunchArgs(this, module, argv, envp, - stdin_file_spec, - stdout_file_spec, - stderr_file_spec, - working_dir)); - - - sem_init(&m_operation_pending, 0, 0); - sem_init(&m_operation_done, 0, 0); - - StartLaunchOpThread(args.get(), error); - if (!error.Success()) - return; + m_pid(LLDB_INVALID_PROCESS_ID), m_terminal_fd(-1), m_operation(0) { + using namespace std::placeholders; -WAIT_AGAIN: - // Wait for the operation thread to initialize. - if (sem_wait(&args->m_semaphore)) - { - if (errno == EINTR) - goto WAIT_AGAIN; - else - { - error.SetErrorToErrno(); - return; - } - } + std::unique_ptr<LaunchArgs> args( + new LaunchArgs(this, module, argv, envp, stdin_file_spec, + stdout_file_spec, stderr_file_spec, working_dir)); - // Check that the launch was a success. - if (!args->m_error.Success()) - { - StopOpThread(); - error = args->m_error; - return; - } + sem_init(&m_operation_pending, 0, 0); + sem_init(&m_operation_done, 0, 0); + + StartLaunchOpThread(args.get(), error); + if (!error.Success()) + return; - // Finally, start monitoring the child process for change in state. - m_monitor_thread = Host::StartMonitoringChildProcess( - std::bind(&ProcessMonitor::MonitorCallback, this, _1, _2, _3, _4), GetPID(), true); - if (!m_monitor_thread.IsJoinable()) - { - error.SetErrorToGenericError(); - error.SetErrorString("Process launch failed."); - return; +WAIT_AGAIN: + // Wait for the operation thread to initialize. + if (sem_wait(&args->m_semaphore)) { + if (errno == EINTR) + goto WAIT_AGAIN; + else { + error.SetErrorToErrno(); + return; } -} + } -ProcessMonitor::ProcessMonitor(ProcessFreeBSD *process, - lldb::pid_t pid, + // Check that the launch was a success. + if (!args->m_error.Success()) { + StopOpThread(); + error = args->m_error; + return; + } + + // Finally, start monitoring the child process for change in state. + m_monitor_thread = Host::StartMonitoringChildProcess( + std::bind(&ProcessMonitor::MonitorCallback, this, _1, _2, _3, _4), + GetPID(), true); + if (!m_monitor_thread.IsJoinable()) { + error.SetErrorToGenericError(); + error.SetErrorString("Process launch failed."); + return; + } +} + +ProcessMonitor::ProcessMonitor(ProcessFreeBSD *process, lldb::pid_t pid, lldb_private::Error &error) - : m_process(static_cast<ProcessFreeBSD *>(process)), - m_pid(pid), - m_terminal_fd(-1), - m_operation(0) -{ - using namespace std::placeholders; - - sem_init(&m_operation_pending, 0, 0); - sem_init(&m_operation_done, 0, 0); + : m_process(static_cast<ProcessFreeBSD *>(process)), m_pid(pid), + m_terminal_fd(-1), m_operation(0) { + using namespace std::placeholders; + sem_init(&m_operation_pending, 0, 0); + sem_init(&m_operation_done, 0, 0); - std::unique_ptr<AttachArgs> args(new AttachArgs(this, pid)); + std::unique_ptr<AttachArgs> args(new AttachArgs(this, pid)); - StartAttachOpThread(args.get(), error); - if (!error.Success()) - return; + StartAttachOpThread(args.get(), error); + if (!error.Success()) + return; WAIT_AGAIN: - // Wait for the operation thread to initialize. - if (sem_wait(&args->m_semaphore)) - { - if (errno == EINTR) - goto WAIT_AGAIN; - else - { - error.SetErrorToErrno(); - return; - } + // Wait for the operation thread to initialize. + if (sem_wait(&args->m_semaphore)) { + if (errno == EINTR) + goto WAIT_AGAIN; + else { + error.SetErrorToErrno(); + return; } + } - // Check that the attach was a success. - if (!args->m_error.Success()) - { - StopOpThread(); - error = args->m_error; - return; - } + // Check that the attach was a success. + if (!args->m_error.Success()) { + StopOpThread(); + error = args->m_error; + return; + } - // Finally, start monitoring the child process for change in state. - m_monitor_thread = Host::StartMonitoringChildProcess( - std::bind(&ProcessMonitor::MonitorCallback, this, _1, _2, _3, _4), GetPID(), true); - if (!m_monitor_thread.IsJoinable()) - { - error.SetErrorToGenericError(); - error.SetErrorString("Process attach failed."); - return; - } + // Finally, start monitoring the child process for change in state. + m_monitor_thread = Host::StartMonitoringChildProcess( + std::bind(&ProcessMonitor::MonitorCallback, this, _1, _2, _3, _4), + GetPID(), true); + if (!m_monitor_thread.IsJoinable()) { + error.SetErrorToGenericError(); + error.SetErrorString("Process attach failed."); + return; + } } -ProcessMonitor::~ProcessMonitor() -{ - StopMonitor(); -} +ProcessMonitor::~ProcessMonitor() { StopMonitor(); } //------------------------------------------------------------------------------ // Thread setup and tear down. -void -ProcessMonitor::StartLaunchOpThread(LaunchArgs *args, Error &error) -{ - static const char *g_thread_name = "lldb.process.freebsd.operation"; +void ProcessMonitor::StartLaunchOpThread(LaunchArgs *args, Error &error) { + static const char *g_thread_name = "lldb.process.freebsd.operation"; - if (m_operation_thread.IsJoinable()) - return; + if (m_operation_thread.IsJoinable()) + return; - m_operation_thread = ThreadLauncher::LaunchThread(g_thread_name, LaunchOpThread, args, &error); + m_operation_thread = + ThreadLauncher::LaunchThread(g_thread_name, LaunchOpThread, args, &error); } -void * -ProcessMonitor::LaunchOpThread(void *arg) -{ - LaunchArgs *args = static_cast<LaunchArgs*>(arg); +void *ProcessMonitor::LaunchOpThread(void *arg) { + LaunchArgs *args = static_cast<LaunchArgs *>(arg); - if (!Launch(args)) { - sem_post(&args->m_semaphore); - return NULL; - } - - ServeOperation(args); + if (!Launch(args)) { + sem_post(&args->m_semaphore); return NULL; -} - -bool -ProcessMonitor::Launch(LaunchArgs *args) -{ - ProcessMonitor *monitor = args->m_monitor; - ProcessFreeBSD &process = monitor->GetProcess(); - const char **argv = args->m_argv; - const char **envp = args->m_envp; - const FileSpec &stdin_file_spec = args->m_stdin_file_spec; - const FileSpec &stdout_file_spec = args->m_stdout_file_spec; - const FileSpec &stderr_file_spec = args->m_stderr_file_spec; - const FileSpec &working_dir = args->m_working_dir; - - lldb_utility::PseudoTerminal terminal; - const size_t err_len = 1024; - char err_str[err_len]; - ::pid_t pid; - - // Propagate the environment if one is not supplied. - if (envp == NULL || envp[0] == NULL) - envp = const_cast<const char **>(environ); - - if ((pid = terminal.Fork(err_str, err_len)) == -1) - { - args->m_error.SetErrorToGenericError(); - args->m_error.SetErrorString("Process fork failed."); - goto FINISH; - } - - // Recognized child exit status codes. - enum { - ePtraceFailed = 1, - eDupStdinFailed, - eDupStdoutFailed, - eDupStderrFailed, - eChdirFailed, - eExecFailed, - eSetGidFailed - }; - - // Child process. - if (pid == 0) - { - // Trace this process. - if (PTRACE(PT_TRACE_ME, 0, NULL, 0) < 0) - exit(ePtraceFailed); - - // terminal has already dupped the tty descriptors to stdin/out/err. - // This closes original fd from which they were copied (and avoids - // leaking descriptors to the debugged process. - terminal.CloseSlaveFileDescriptor(); - - // Do not inherit setgid powers. - if (setgid(getgid()) != 0) - exit(eSetGidFailed); - - // Let us have our own process group. - setpgid(0, 0); - - // Dup file descriptors if needed. - // - // FIXME: If two or more of the paths are the same we needlessly open - // the same file multiple times. - if (stdin_file_spec) - if (!DupDescriptor(stdin_file_spec, STDIN_FILENO, O_RDONLY)) - exit(eDupStdinFailed); - - if (stdout_file_spec) - if (!DupDescriptor(stdout_file_spec, STDOUT_FILENO, O_WRONLY | O_CREAT)) - exit(eDupStdoutFailed); - - if (stderr_file_spec) - if (!DupDescriptor(stderr_file_spec, STDERR_FILENO, O_WRONLY | O_CREAT)) - exit(eDupStderrFailed); - - // Change working directory - if (working_dir && 0 != ::chdir(working_dir.GetCString())) - exit(eChdirFailed); - - // Execute. We should never return. - execve(argv[0], - const_cast<char *const *>(argv), - const_cast<char *const *>(envp)); - exit(eExecFailed); - } - - // Wait for the child process to to trap on its call to execve. - ::pid_t wpid; - int status; - if ((wpid = waitpid(pid, &status, 0)) < 0) - { - args->m_error.SetErrorToErrno(); - goto FINISH; - } - else if (WIFEXITED(status)) - { - // open, dup or execve likely failed for some reason. - args->m_error.SetErrorToGenericError(); - switch (WEXITSTATUS(status)) - { - case ePtraceFailed: - args->m_error.SetErrorString("Child ptrace failed."); - break; - case eDupStdinFailed: - args->m_error.SetErrorString("Child open stdin failed."); - break; - case eDupStdoutFailed: - args->m_error.SetErrorString("Child open stdout failed."); - break; - case eDupStderrFailed: - args->m_error.SetErrorString("Child open stderr failed."); - break; - case eChdirFailed: - args->m_error.SetErrorString("Child failed to set working directory."); - break; - case eExecFailed: - args->m_error.SetErrorString("Child exec failed."); - break; - case eSetGidFailed: - args->m_error.SetErrorString("Child setgid failed."); - break; - default: - args->m_error.SetErrorString("Child returned unknown exit status."); - break; - } - goto FINISH; + } + + ServeOperation(args); + return NULL; +} + +bool ProcessMonitor::Launch(LaunchArgs *args) { + ProcessMonitor *monitor = args->m_monitor; + ProcessFreeBSD &process = monitor->GetProcess(); + const char **argv = args->m_argv; + const char **envp = args->m_envp; + const FileSpec &stdin_file_spec = args->m_stdin_file_spec; + const FileSpec &stdout_file_spec = args->m_stdout_file_spec; + const FileSpec &stderr_file_spec = args->m_stderr_file_spec; + const FileSpec &working_dir = args->m_working_dir; + + lldb_utility::PseudoTerminal terminal; + const size_t err_len = 1024; + char err_str[err_len]; + ::pid_t pid; + + // Propagate the environment if one is not supplied. + if (envp == NULL || envp[0] == NULL) + envp = const_cast<const char **>(environ); + + if ((pid = terminal.Fork(err_str, err_len)) == -1) { + args->m_error.SetErrorToGenericError(); + args->m_error.SetErrorString("Process fork failed."); + goto FINISH; + } + + // Recognized child exit status codes. + enum { + ePtraceFailed = 1, + eDupStdinFailed, + eDupStdoutFailed, + eDupStderrFailed, + eChdirFailed, + eExecFailed, + eSetGidFailed + }; + + // Child process. + if (pid == 0) { + // Trace this process. + if (PTRACE(PT_TRACE_ME, 0, NULL, 0) < 0) + exit(ePtraceFailed); + + // terminal has already dupped the tty descriptors to stdin/out/err. + // This closes original fd from which they were copied (and avoids + // leaking descriptors to the debugged process. + terminal.CloseSlaveFileDescriptor(); + + // Do not inherit setgid powers. + if (setgid(getgid()) != 0) + exit(eSetGidFailed); + + // Let us have our own process group. + setpgid(0, 0); + + // Dup file descriptors if needed. + // + // FIXME: If two or more of the paths are the same we needlessly open + // the same file multiple times. + if (stdin_file_spec) + if (!DupDescriptor(stdin_file_spec, STDIN_FILENO, O_RDONLY)) + exit(eDupStdinFailed); + + if (stdout_file_spec) + if (!DupDescriptor(stdout_file_spec, STDOUT_FILENO, O_WRONLY | O_CREAT)) + exit(eDupStdoutFailed); + + if (stderr_file_spec) + if (!DupDescriptor(stderr_file_spec, STDERR_FILENO, O_WRONLY | O_CREAT)) + exit(eDupStderrFailed); + + // Change working directory + if (working_dir && 0 != ::chdir(working_dir.GetCString())) + exit(eChdirFailed); + + // Execute. We should never return. + execve(argv[0], const_cast<char *const *>(argv), + const_cast<char *const *>(envp)); + exit(eExecFailed); + } + + // Wait for the child process to to trap on its call to execve. + ::pid_t wpid; + int status; + if ((wpid = waitpid(pid, &status, 0)) < 0) { + args->m_error.SetErrorToErrno(); + goto FINISH; + } else if (WIFEXITED(status)) { + // open, dup or execve likely failed for some reason. + args->m_error.SetErrorToGenericError(); + switch (WEXITSTATUS(status)) { + case ePtraceFailed: + args->m_error.SetErrorString("Child ptrace failed."); + break; + case eDupStdinFailed: + args->m_error.SetErrorString("Child open stdin failed."); + break; + case eDupStdoutFailed: + args->m_error.SetErrorString("Child open stdout failed."); + break; + case eDupStderrFailed: + args->m_error.SetErrorString("Child open stderr failed."); + break; + case eChdirFailed: + args->m_error.SetErrorString("Child failed to set working directory."); + break; + case eExecFailed: + args->m_error.SetErrorString("Child exec failed."); + break; + case eSetGidFailed: + args->m_error.SetErrorString("Child setgid failed."); + break; + default: + args->m_error.SetErrorString("Child returned unknown exit status."); + break; } - assert(WIFSTOPPED(status) && wpid == (::pid_t)pid && - "Could not sync with inferior process."); + goto FINISH; + } + assert(WIFSTOPPED(status) && wpid == (::pid_t)pid && + "Could not sync with inferior process."); #ifdef notyet - // Have the child raise an event on exit. This is used to keep the child in - // limbo until it is destroyed. - if (PTRACE(PTRACE_SETOPTIONS, pid, NULL, PTRACE_O_TRACEEXIT) < 0) - { - args->m_error.SetErrorToErrno(); - goto FINISH; - } + // Have the child raise an event on exit. This is used to keep the child in + // limbo until it is destroyed. + if (PTRACE(PTRACE_SETOPTIONS, pid, NULL, PTRACE_O_TRACEEXIT) < 0) { + args->m_error.SetErrorToErrno(); + goto FINISH; + } #endif - // Release the master terminal descriptor and pass it off to the - // ProcessMonitor instance. Similarly stash the inferior pid. - monitor->m_terminal_fd = terminal.ReleaseMasterFileDescriptor(); - monitor->m_pid = pid; + // Release the master terminal descriptor and pass it off to the + // ProcessMonitor instance. Similarly stash the inferior pid. + monitor->m_terminal_fd = terminal.ReleaseMasterFileDescriptor(); + monitor->m_pid = pid; - // Set the terminal fd to be in non blocking mode (it simplifies the - // implementation of ProcessFreeBSD::GetSTDOUT to have a non-blocking - // descriptor to read from). - if (!EnsureFDFlags(monitor->m_terminal_fd, O_NONBLOCK, args->m_error)) - goto FINISH; + // Set the terminal fd to be in non blocking mode (it simplifies the + // implementation of ProcessFreeBSD::GetSTDOUT to have a non-blocking + // descriptor to read from). + if (!EnsureFDFlags(monitor->m_terminal_fd, O_NONBLOCK, args->m_error)) + goto FINISH; - process.SendMessage(ProcessMessage::Attach(pid)); + process.SendMessage(ProcessMessage::Attach(pid)); FINISH: - return args->m_error.Success(); + return args->m_error.Success(); } -void -ProcessMonitor::StartAttachOpThread(AttachArgs *args, lldb_private::Error &error) -{ - static const char *g_thread_name = "lldb.process.freebsd.operation"; +void ProcessMonitor::StartAttachOpThread(AttachArgs *args, + lldb_private::Error &error) { + static const char *g_thread_name = "lldb.process.freebsd.operation"; - if (m_operation_thread.IsJoinable()) - return; + if (m_operation_thread.IsJoinable()) + return; - m_operation_thread = ThreadLauncher::LaunchThread(g_thread_name, AttachOpThread, args, &error); + m_operation_thread = + ThreadLauncher::LaunchThread(g_thread_name, AttachOpThread, args, &error); } -void * -ProcessMonitor::AttachOpThread(void *arg) -{ - AttachArgs *args = static_cast<AttachArgs*>(arg); +void *ProcessMonitor::AttachOpThread(void *arg) { + AttachArgs *args = static_cast<AttachArgs *>(arg); - Attach(args); + Attach(args); - ServeOperation(args); - return NULL; + ServeOperation(args); + return NULL; } -void -ProcessMonitor::Attach(AttachArgs *args) -{ - lldb::pid_t pid = args->m_pid; +void ProcessMonitor::Attach(AttachArgs *args) { + lldb::pid_t pid = args->m_pid; - ProcessMonitor *monitor = args->m_monitor; - ProcessFreeBSD &process = monitor->GetProcess(); + ProcessMonitor *monitor = args->m_monitor; + ProcessFreeBSD &process = monitor->GetProcess(); - if (pid <= 1) - { - args->m_error.SetErrorToGenericError(); - args->m_error.SetErrorString("Attaching to process 1 is not allowed."); - return; - } + if (pid <= 1) { + args->m_error.SetErrorToGenericError(); + args->m_error.SetErrorString("Attaching to process 1 is not allowed."); + return; + } - // Attach to the requested process. - if (PTRACE(PT_ATTACH, pid, NULL, 0) < 0) - { - args->m_error.SetErrorToErrno(); - return; - } + // Attach to the requested process. + if (PTRACE(PT_ATTACH, pid, NULL, 0) < 0) { + args->m_error.SetErrorToErrno(); + return; + } - int status; - if ((status = waitpid(pid, NULL, 0)) < 0) - { - args->m_error.SetErrorToErrno(); - return; - } + int status; + if ((status = waitpid(pid, NULL, 0)) < 0) { + args->m_error.SetErrorToErrno(); + return; + } - process.SendMessage(ProcessMessage::Attach(pid)); + process.SendMessage(ProcessMessage::Attach(pid)); } size_t -ProcessMonitor::GetCurrentThreadIDs(std::vector<lldb::tid_t>&thread_ids) -{ - lwpid_t *tids; - int tdcnt; - - thread_ids.clear(); - - tdcnt = PTRACE(PT_GETNUMLWPS, m_pid, NULL, 0); - if (tdcnt <= 0) - return 0; - tids = (lwpid_t *)malloc(tdcnt * sizeof(*tids)); - if (tids == NULL) - return 0; - if (PTRACE(PT_GETLWPLIST, m_pid, (void *)tids, tdcnt) < 0) { - free(tids); - return 0; - } - thread_ids = std::vector<lldb::tid_t>(tids, tids + tdcnt); +ProcessMonitor::GetCurrentThreadIDs(std::vector<lldb::tid_t> &thread_ids) { + lwpid_t *tids; + int tdcnt; + + thread_ids.clear(); + + tdcnt = PTRACE(PT_GETNUMLWPS, m_pid, NULL, 0); + if (tdcnt <= 0) + return 0; + tids = (lwpid_t *)malloc(tdcnt * sizeof(*tids)); + if (tids == NULL) + return 0; + if (PTRACE(PT_GETLWPLIST, m_pid, (void *)tids, tdcnt) < 0) { free(tids); - return thread_ids.size(); + return 0; + } + thread_ids = std::vector<lldb::tid_t>(tids, tids + tdcnt); + free(tids); + return thread_ids.size(); } -bool -ProcessMonitor::MonitorCallback(ProcessMonitor *monitor, lldb::pid_t pid, bool exited, int signal, int status) -{ - ProcessMessage message; - ProcessFreeBSD *process = monitor->m_process; - assert(process); - bool stop_monitoring; - struct ptrace_lwpinfo plwp; - int ptrace_err; - - Log *log (ProcessPOSIXLog::GetLogIfAllCategoriesSet (POSIX_LOG_PROCESS)); - - if (exited) - { - if (log) - log->Printf ("ProcessMonitor::%s() got exit signal, tid = %" PRIu64, __FUNCTION__, pid); - message = ProcessMessage::Exit(pid, status); - process->SendMessage(message); - return pid == process->GetID(); - } +bool ProcessMonitor::MonitorCallback(ProcessMonitor *monitor, lldb::pid_t pid, + bool exited, int signal, int status) { + ProcessMessage message; + ProcessFreeBSD *process = monitor->m_process; + assert(process); + bool stop_monitoring; + struct ptrace_lwpinfo plwp; + int ptrace_err; - if (!monitor->GetLwpInfo(pid, &plwp, ptrace_err)) - stop_monitoring = true; // pid is gone. Bail. - else { - switch (plwp.pl_siginfo.si_signo) - { - case SIGTRAP: - message = MonitorSIGTRAP(monitor, &plwp.pl_siginfo, plwp.pl_lwpid); - break; - - default: - message = MonitorSignal(monitor, &plwp.pl_siginfo, plwp.pl_lwpid); - break; - } - - process->SendMessage(message); - stop_monitoring = message.GetKind() == ProcessMessage::eExitMessage; - } - - return stop_monitoring; -} + Log *log(ProcessPOSIXLog::GetLogIfAllCategoriesSet(POSIX_LOG_PROCESS)); -ProcessMessage -ProcessMonitor::MonitorSIGTRAP(ProcessMonitor *monitor, - const siginfo_t *info, lldb::tid_t tid) -{ - ProcessMessage message; - - Log *log (ProcessPOSIXLog::GetLogIfAllCategoriesSet (POSIX_LOG_PROCESS)); - - assert(monitor); - assert(info && info->si_signo == SIGTRAP && "Unexpected child signal!"); + if (exited) { + if (log) + log->Printf("ProcessMonitor::%s() got exit signal, tid = %" PRIu64, + __FUNCTION__, pid); + message = ProcessMessage::Exit(pid, status); + process->SendMessage(message); + return pid == process->GetID(); + } + + if (!monitor->GetLwpInfo(pid, &plwp, ptrace_err)) + stop_monitoring = true; // pid is gone. Bail. + else { + switch (plwp.pl_siginfo.si_signo) { + case SIGTRAP: + message = MonitorSIGTRAP(monitor, &plwp.pl_siginfo, plwp.pl_lwpid); + break; - switch (info->si_code) - { default: - assert(false && "Unexpected SIGTRAP code!"); - break; - - case (SIGTRAP /* | (PTRACE_EVENT_EXIT << 8) */): - { - // The inferior process is about to exit. Maintain the process in a - // state of "limbo" until we are explicitly commanded to detach, - // destroy, resume, etc. - unsigned long data = 0; - if (!monitor->GetEventMessage(tid, &data)) - data = -1; - if (log) - log->Printf ("ProcessMonitor::%s() received exit? event, data = %lx, tid = %" PRIu64, __FUNCTION__, data, tid); - message = ProcessMessage::Limbo(tid, (data >> 8)); - break; + message = MonitorSignal(monitor, &plwp.pl_siginfo, plwp.pl_lwpid); + break; } - case 0: - case TRAP_TRACE: - if (log) - log->Printf ("ProcessMonitor::%s() received trace event, tid = %" PRIu64 " : si_code = %d", __FUNCTION__, tid, info->si_code); - message = ProcessMessage::Trace(tid); - break; - - case SI_KERNEL: - case TRAP_BRKPT: - if (log) - log->Printf ("ProcessMonitor::%s() received breakpoint event, tid = %" PRIu64, __FUNCTION__, tid); - message = ProcessMessage::Break(tid); - break; - } + process->SendMessage(message); + stop_monitoring = message.GetKind() == ProcessMessage::eExitMessage; + } - return message; + return stop_monitoring; } -ProcessMessage -ProcessMonitor::MonitorSignal(ProcessMonitor *monitor, - const siginfo_t *info, lldb::tid_t tid) -{ - ProcessMessage message; - int signo = info->si_signo; +ProcessMessage ProcessMonitor::MonitorSIGTRAP(ProcessMonitor *monitor, + const siginfo_t *info, + lldb::tid_t tid) { + ProcessMessage message; - Log *log (ProcessPOSIXLog::GetLogIfAllCategoriesSet (POSIX_LOG_PROCESS)); + Log *log(ProcessPOSIXLog::GetLogIfAllCategoriesSet(POSIX_LOG_PROCESS)); - // POSIX says that process behaviour is undefined after it ignores a SIGFPE, - // SIGILL, SIGSEGV, or SIGBUS *unless* that signal was generated by a - // kill(2) or raise(3). Similarly for tgkill(2) on FreeBSD. - // - // IOW, user generated signals never generate what we consider to be a - // "crash". - // - // Similarly, ACK signals generated by this monitor. - if (info->si_code == SI_USER) - { - if (log) - log->Printf ("ProcessMonitor::%s() received signal %s with code %s, pid = %d", - __FUNCTION__, - monitor->m_process->GetUnixSignals()->GetSignalAsCString (signo), - "SI_USER", - info->si_pid); - if (info->si_pid == getpid()) - return ProcessMessage::SignalDelivered(tid, signo); - else - return ProcessMessage::Signal(tid, signo); - } + assert(monitor); + assert(info && info->si_signo == SIGTRAP && "Unexpected child signal!"); + switch (info->si_code) { + default: + assert(false && "Unexpected SIGTRAP code!"); + break; + + case (SIGTRAP /* | (PTRACE_EVENT_EXIT << 8) */): { + // The inferior process is about to exit. Maintain the process in a + // state of "limbo" until we are explicitly commanded to detach, + // destroy, resume, etc. + unsigned long data = 0; + if (!monitor->GetEventMessage(tid, &data)) + data = -1; if (log) - log->Printf ("ProcessMonitor::%s() received signal %s", __FUNCTION__, monitor->m_process->GetUnixSignals()->GetSignalAsCString (signo)); - - switch (signo) - { - case SIGSEGV: - case SIGILL: - case SIGFPE: - case SIGBUS: - lldb::addr_t fault_addr = reinterpret_cast<lldb::addr_t>(info->si_addr); - const auto reason = GetCrashReason(*info); - return ProcessMessage::Crash(tid, reason, signo, fault_addr); - } + log->Printf("ProcessMonitor::%s() received exit? event, data = %lx, tid " + "= %" PRIu64, + __FUNCTION__, data, tid); + message = ProcessMessage::Limbo(tid, (data >> 8)); + break; + } + + case 0: + case TRAP_TRACE: + if (log) + log->Printf("ProcessMonitor::%s() received trace event, tid = %" PRIu64 + " : si_code = %d", + __FUNCTION__, tid, info->si_code); + message = ProcessMessage::Trace(tid); + break; + + case SI_KERNEL: + case TRAP_BRKPT: + if (log) + log->Printf( + "ProcessMonitor::%s() received breakpoint event, tid = %" PRIu64, + __FUNCTION__, tid); + message = ProcessMessage::Break(tid); + break; + } + + return message; +} + +ProcessMessage ProcessMonitor::MonitorSignal(ProcessMonitor *monitor, + const siginfo_t *info, + lldb::tid_t tid) { + ProcessMessage message; + int signo = info->si_signo; + + Log *log(ProcessPOSIXLog::GetLogIfAllCategoriesSet(POSIX_LOG_PROCESS)); + + // POSIX says that process behaviour is undefined after it ignores a SIGFPE, + // SIGILL, SIGSEGV, or SIGBUS *unless* that signal was generated by a + // kill(2) or raise(3). Similarly for tgkill(2) on FreeBSD. + // + // IOW, user generated signals never generate what we consider to be a + // "crash". + // + // Similarly, ACK signals generated by this monitor. + if (info->si_code == SI_USER) { + if (log) + log->Printf( + "ProcessMonitor::%s() received signal %s with code %s, pid = %d", + __FUNCTION__, + monitor->m_process->GetUnixSignals()->GetSignalAsCString(signo), + "SI_USER", info->si_pid); + if (info->si_pid == getpid()) + return ProcessMessage::SignalDelivered(tid, signo); + else + return ProcessMessage::Signal(tid, signo); + } + + if (log) + log->Printf( + "ProcessMonitor::%s() received signal %s", __FUNCTION__, + monitor->m_process->GetUnixSignals()->GetSignalAsCString(signo)); - // Everything else is "normal" and does not require any special action on - // our part. - return ProcessMessage::Signal(tid, signo); + switch (signo) { + case SIGSEGV: + case SIGILL: + case SIGFPE: + case SIGBUS: + lldb::addr_t fault_addr = reinterpret_cast<lldb::addr_t>(info->si_addr); + const auto reason = GetCrashReason(*info); + return ProcessMessage::Crash(tid, reason, signo, fault_addr); + } + + // Everything else is "normal" and does not require any special action on + // our part. + return ProcessMessage::Signal(tid, signo); } -void -ProcessMonitor::ServeOperation(OperationArgs *args) -{ - ProcessMonitor *monitor = args->m_monitor; +void ProcessMonitor::ServeOperation(OperationArgs *args) { + ProcessMonitor *monitor = args->m_monitor; - // We are finised with the arguments and are ready to go. Sync with the - // parent thread and start serving operations on the inferior. - sem_post(&args->m_semaphore); + // We are finised with the arguments and are ready to go. Sync with the + // parent thread and start serving operations on the inferior. + sem_post(&args->m_semaphore); - for (;;) - { - // wait for next pending operation - sem_wait(&monitor->m_operation_pending); + for (;;) { + // wait for next pending operation + sem_wait(&monitor->m_operation_pending); - monitor->m_operation->Execute(monitor); + monitor->m_operation->Execute(monitor); - // notify calling thread that operation is complete - sem_post(&monitor->m_operation_done); - } + // notify calling thread that operation is complete + sem_post(&monitor->m_operation_done); + } } -void -ProcessMonitor::DoOperation(Operation *op) -{ - std::lock_guard<std::mutex> guard(m_operation_mutex); +void ProcessMonitor::DoOperation(Operation *op) { + std::lock_guard<std::mutex> guard(m_operation_mutex); - m_operation = op; + m_operation = op; - // notify operation thread that an operation is ready to be processed - sem_post(&m_operation_pending); + // notify operation thread that an operation is ready to be processed + sem_post(&m_operation_pending); - // wait for operation to complete - sem_wait(&m_operation_done); + // wait for operation to complete + sem_wait(&m_operation_done); } -size_t -ProcessMonitor::ReadMemory(lldb::addr_t vm_addr, void *buf, size_t size, - Error &error) -{ - size_t result; - ReadOperation op(vm_addr, buf, size, error, result); - DoOperation(&op); - return result; +size_t ProcessMonitor::ReadMemory(lldb::addr_t vm_addr, void *buf, size_t size, + Error &error) { + size_t result; + ReadOperation op(vm_addr, buf, size, error, result); + DoOperation(&op); + return result; } -size_t -ProcessMonitor::WriteMemory(lldb::addr_t vm_addr, const void *buf, size_t size, - lldb_private::Error &error) -{ - size_t result; - WriteOperation op(vm_addr, buf, size, error, result); - DoOperation(&op); - return result; +size_t ProcessMonitor::WriteMemory(lldb::addr_t vm_addr, const void *buf, + size_t size, lldb_private::Error &error) { + size_t result; + WriteOperation op(vm_addr, buf, size, error, result); + DoOperation(&op); + return result; } -bool -ProcessMonitor::ReadRegisterValue(lldb::tid_t tid, unsigned offset, const char* reg_name, - unsigned size, RegisterValue &value) -{ - bool result; - ReadRegOperation op(tid, offset, size, value, result); - DoOperation(&op); - return result; +bool ProcessMonitor::ReadRegisterValue(lldb::tid_t tid, unsigned offset, + const char *reg_name, unsigned size, + RegisterValue &value) { + bool result; + ReadRegOperation op(tid, offset, size, value, result); + DoOperation(&op); + return result; } -bool -ProcessMonitor::WriteRegisterValue(lldb::tid_t tid, unsigned offset, - const char* reg_name, const RegisterValue &value) -{ - bool result; - WriteRegOperation op(tid, offset, value, result); - DoOperation(&op); - return result; +bool ProcessMonitor::WriteRegisterValue(lldb::tid_t tid, unsigned offset, + const char *reg_name, + const RegisterValue &value) { + bool result; + WriteRegOperation op(tid, offset, value, result); + DoOperation(&op); + return result; } -bool -ProcessMonitor::ReadDebugRegisterValue(lldb::tid_t tid, unsigned offset, - const char *reg_name, unsigned size, - lldb_private::RegisterValue &value) -{ - bool result; - ReadDebugRegOperation op(tid, offset, size, value, result); - DoOperation(&op); - return result; +bool ProcessMonitor::ReadDebugRegisterValue( + lldb::tid_t tid, unsigned offset, const char *reg_name, unsigned size, + lldb_private::RegisterValue &value) { + bool result; + ReadDebugRegOperation op(tid, offset, size, value, result); + DoOperation(&op); + return result; } -bool -ProcessMonitor::WriteDebugRegisterValue(lldb::tid_t tid, unsigned offset, - const char *reg_name, - const lldb_private::RegisterValue &value) -{ - bool result; - WriteDebugRegOperation op(tid, offset, value, result); - DoOperation(&op); - return result; +bool ProcessMonitor::WriteDebugRegisterValue( + lldb::tid_t tid, unsigned offset, const char *reg_name, + const lldb_private::RegisterValue &value) { + bool result; + WriteDebugRegOperation op(tid, offset, value, result); + DoOperation(&op); + return result; } -bool -ProcessMonitor::ReadGPR(lldb::tid_t tid, void *buf, size_t buf_size) -{ - bool result; - ReadGPROperation op(tid, buf, result); - DoOperation(&op); - return result; +bool ProcessMonitor::ReadGPR(lldb::tid_t tid, void *buf, size_t buf_size) { + bool result; + ReadGPROperation op(tid, buf, result); + DoOperation(&op); + return result; } -bool -ProcessMonitor::ReadFPR(lldb::tid_t tid, void *buf, size_t buf_size) -{ - bool result; - ReadFPROperation op(tid, buf, result); - DoOperation(&op); - return result; +bool ProcessMonitor::ReadFPR(lldb::tid_t tid, void *buf, size_t buf_size) { + bool result; + ReadFPROperation op(tid, buf, result); + DoOperation(&op); + return result; } -bool -ProcessMonitor::ReadRegisterSet(lldb::tid_t tid, void *buf, size_t buf_size, unsigned int regset) -{ - return false; +bool ProcessMonitor::ReadRegisterSet(lldb::tid_t tid, void *buf, + size_t buf_size, unsigned int regset) { + return false; } -bool -ProcessMonitor::WriteGPR(lldb::tid_t tid, void *buf, size_t buf_size) -{ - bool result; - WriteGPROperation op(tid, buf, result); - DoOperation(&op); - return result; +bool ProcessMonitor::WriteGPR(lldb::tid_t tid, void *buf, size_t buf_size) { + bool result; + WriteGPROperation op(tid, buf, result); + DoOperation(&op); + return result; } -bool -ProcessMonitor::WriteFPR(lldb::tid_t tid, void *buf, size_t buf_size) -{ - bool result; - WriteFPROperation op(tid, buf, result); - DoOperation(&op); - return result; +bool ProcessMonitor::WriteFPR(lldb::tid_t tid, void *buf, size_t buf_size) { + bool result; + WriteFPROperation op(tid, buf, result); + DoOperation(&op); + return result; } -bool -ProcessMonitor::WriteRegisterSet(lldb::tid_t tid, void *buf, size_t buf_size, unsigned int regset) -{ - return false; +bool ProcessMonitor::WriteRegisterSet(lldb::tid_t tid, void *buf, + size_t buf_size, unsigned int regset) { + return false; } -bool -ProcessMonitor::ReadThreadPointer(lldb::tid_t tid, lldb::addr_t &value) -{ - return false; +bool ProcessMonitor::ReadThreadPointer(lldb::tid_t tid, lldb::addr_t &value) { + return false; } -bool -ProcessMonitor::Resume(lldb::tid_t unused, uint32_t signo) -{ - bool result; - Log *log (ProcessPOSIXLog::GetLogIfAllCategoriesSet (POSIX_LOG_PROCESS)); - - if (log) { - const char *signame = m_process->GetUnixSignals()->GetSignalAsCString (signo); - if (signame == nullptr) - signame = "<none>"; - log->Printf("ProcessMonitor::%s() resuming pid %" PRIu64 " with signal %s", - __FUNCTION__, GetPID(), signame); - } - ResumeOperation op(signo, result); - DoOperation(&op); - if (log) - log->Printf ("ProcessMonitor::%s() resuming result = %s", __FUNCTION__, result ? "true" : "false"); - return result; +bool ProcessMonitor::Resume(lldb::tid_t unused, uint32_t signo) { + bool result; + Log *log(ProcessPOSIXLog::GetLogIfAllCategoriesSet(POSIX_LOG_PROCESS)); + + if (log) { + const char *signame = + m_process->GetUnixSignals()->GetSignalAsCString(signo); + if (signame == nullptr) + signame = "<none>"; + log->Printf("ProcessMonitor::%s() resuming pid %" PRIu64 " with signal %s", + __FUNCTION__, GetPID(), signame); + } + ResumeOperation op(signo, result); + DoOperation(&op); + if (log) + log->Printf("ProcessMonitor::%s() resuming result = %s", __FUNCTION__, + result ? "true" : "false"); + return result; } -bool -ProcessMonitor::SingleStep(lldb::tid_t unused, uint32_t signo) -{ - bool result; - SingleStepOperation op(signo, result); - DoOperation(&op); - return result; +bool ProcessMonitor::SingleStep(lldb::tid_t unused, uint32_t signo) { + bool result; + SingleStepOperation op(signo, result); + DoOperation(&op); + return result; } -bool -ProcessMonitor::Kill() -{ - bool result; - KillOperation op(result); - DoOperation(&op); - return result; +bool ProcessMonitor::Kill() { + bool result; + KillOperation op(result); + DoOperation(&op); + return result; } -bool -ProcessMonitor::GetLwpInfo(lldb::tid_t tid, void *lwpinfo, int &ptrace_err) -{ - bool result; - LwpInfoOperation op(tid, lwpinfo, result, ptrace_err); - DoOperation(&op); - return result; +bool ProcessMonitor::GetLwpInfo(lldb::tid_t tid, void *lwpinfo, + int &ptrace_err) { + bool result; + LwpInfoOperation op(tid, lwpinfo, result, ptrace_err); + DoOperation(&op); + return result; } -bool -ProcessMonitor::ThreadSuspend(lldb::tid_t tid, bool suspend) -{ - bool result; - ThreadSuspendOperation op(tid, suspend, result); - DoOperation(&op); - return result; +bool ProcessMonitor::ThreadSuspend(lldb::tid_t tid, bool suspend) { + bool result; + ThreadSuspendOperation op(tid, suspend, result); + DoOperation(&op); + return result; } -bool -ProcessMonitor::GetEventMessage(lldb::tid_t tid, unsigned long *message) -{ - bool result; - EventMessageOperation op(tid, message, result); - DoOperation(&op); - return result; +bool ProcessMonitor::GetEventMessage(lldb::tid_t tid, unsigned long *message) { + bool result; + EventMessageOperation op(tid, message, result); + DoOperation(&op); + return result; } -lldb_private::Error -ProcessMonitor::Detach(lldb::tid_t tid) -{ - lldb_private::Error error; - if (tid != LLDB_INVALID_THREAD_ID) - { - DetachOperation op(error); - DoOperation(&op); - } - return error; -} +lldb_private::Error ProcessMonitor::Detach(lldb::tid_t tid) { + lldb_private::Error error; + if (tid != LLDB_INVALID_THREAD_ID) { + DetachOperation op(error); + DoOperation(&op); + } + return error; +} -bool -ProcessMonitor::DupDescriptor(const FileSpec &file_spec, int fd, int flags) -{ - int target_fd = open(file_spec.GetCString(), flags, 0666); +bool ProcessMonitor::DupDescriptor(const FileSpec &file_spec, int fd, + int flags) { + int target_fd = open(file_spec.GetCString(), flags, 0666); - if (target_fd == -1) - return false; + if (target_fd == -1) + return false; - if (dup2(target_fd, fd) == -1) - return false; + if (dup2(target_fd, fd) == -1) + return false; - return (close(target_fd) == -1) ? false : true; + return (close(target_fd) == -1) ? false : true; } -void -ProcessMonitor::StopMonitoringChildProcess() -{ - if (m_monitor_thread.IsJoinable()) - { - m_monitor_thread.Cancel(); - m_monitor_thread.Join(nullptr); - m_monitor_thread.Reset(); - } +void ProcessMonitor::StopMonitoringChildProcess() { + if (m_monitor_thread.IsJoinable()) { + m_monitor_thread.Cancel(); + m_monitor_thread.Join(nullptr); + m_monitor_thread.Reset(); + } } -void -ProcessMonitor::StopMonitor() -{ - StopMonitoringChildProcess(); - StopOpThread(); - sem_destroy(&m_operation_pending); - sem_destroy(&m_operation_done); - if (m_terminal_fd >= 0) { - close(m_terminal_fd); - m_terminal_fd = -1; - } +void ProcessMonitor::StopMonitor() { + StopMonitoringChildProcess(); + StopOpThread(); + sem_destroy(&m_operation_pending); + sem_destroy(&m_operation_done); + if (m_terminal_fd >= 0) { + close(m_terminal_fd); + m_terminal_fd = -1; + } } // FIXME: On Linux, when a new thread is created, we receive to notifications, @@ -1607,19 +1439,13 @@ ProcessMonitor::StopMonitor() // We really should figure out what actually happens on FreeBSD and move the // Linux-specific logic out of ProcessPOSIX as needed. -bool -ProcessMonitor::WaitForInitialTIDStop(lldb::tid_t tid) -{ - return true; -} +bool ProcessMonitor::WaitForInitialTIDStop(lldb::tid_t tid) { return true; } -void -ProcessMonitor::StopOpThread() -{ - if (!m_operation_thread.IsJoinable()) - return; +void ProcessMonitor::StopOpThread() { + if (!m_operation_thread.IsJoinable()) + return; - m_operation_thread.Cancel(); - m_operation_thread.Join(nullptr); - m_operation_thread.Reset(); + m_operation_thread.Cancel(); + m_operation_thread.Join(nullptr); + m_operation_thread.Reset(); } diff --git a/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/ProcessMonitor.h b/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/ProcessMonitor.h index 93f6be1..4c2594e 100644 --- a/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/ProcessMonitor.h +++ b/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/ProcessMonitor.h @@ -18,12 +18,11 @@ #include <mutex> // Other libraries and framework includes -#include "lldb/lldb-types.h" #include "lldb/Host/FileSpec.h" #include "lldb/Host/HostThread.h" +#include "lldb/lldb-types.h" -namespace lldb_private -{ +namespace lldb_private { class Error; class Module; class Scalar; @@ -44,285 +43,242 @@ class Operation; /// /// A purposely minimal set of operations are provided to interrogate and change /// the inferior process state. -class ProcessMonitor -{ +class ProcessMonitor { public: - - /// Launches an inferior process ready for debugging. Forms the - /// implementation of Process::DoLaunch. - ProcessMonitor(ProcessFreeBSD *process, - lldb_private::Module *module, - char const *argv[], - char const *envp[], - const lldb_private::FileSpec &stdin_file_spec, - const lldb_private::FileSpec &stdout_file_spec, - const lldb_private::FileSpec &stderr_file_spec, - const lldb_private::FileSpec &working_dir, - const lldb_private::ProcessLaunchInfo &launch_info, - lldb_private::Error &error); - - ProcessMonitor(ProcessFreeBSD *process, - lldb::pid_t pid, - lldb_private::Error &error); - - ~ProcessMonitor(); - - /// Provides the process number of debugee. - lldb::pid_t - GetPID() const { return m_pid; } - - /// Returns the process associated with this ProcessMonitor. - ProcessFreeBSD & - GetProcess() { return *m_process; } - - /// Returns a file descriptor to the controlling terminal of the inferior - /// process. - /// - /// Reads from this file descriptor yield both the standard output and - /// standard error of this debugee. Even if stderr and stdout were - /// redirected on launch it may still happen that data is available on this - /// descriptor (if the inferior process opens /dev/tty, for example). This descriptor is - /// closed after a call to StopMonitor(). - /// - /// If this monitor was attached to an existing process this method returns - /// -1. - int - GetTerminalFD() const { return m_terminal_fd; } - - /// Reads @p size bytes from address @vm_adder in the inferior process - /// address space. - /// - /// This method is provided to implement Process::DoReadMemory. - size_t - ReadMemory(lldb::addr_t vm_addr, void *buf, size_t size, - lldb_private::Error &error); - - /// Writes @p size bytes from address @p vm_adder in the inferior process - /// address space. - /// - /// This method is provided to implement Process::DoWriteMemory. - size_t - WriteMemory(lldb::addr_t vm_addr, const void *buf, size_t size, - lldb_private::Error &error); - - /// Reads the contents from the register identified by the given (architecture - /// dependent) offset. - /// - /// This method is provided for use by RegisterContextFreeBSD derivatives. - bool - ReadRegisterValue(lldb::tid_t tid, unsigned offset, const char *reg_name, - unsigned size, lldb_private::RegisterValue &value); - - /// Writes the given value to the register identified by the given - /// (architecture dependent) offset. - /// - /// This method is provided for use by RegisterContextFreeBSD derivatives. - bool - WriteRegisterValue(lldb::tid_t tid, unsigned offset, const char *reg_name, - const lldb_private::RegisterValue &value); - - /// Reads the contents from the debug register identified by the given - /// (architecture dependent) offset. - /// - /// This method is provided for use by RegisterContextFreeBSD derivatives. - bool - ReadDebugRegisterValue(lldb::tid_t tid, unsigned offset, - const char *reg_name, unsigned size, - lldb_private::RegisterValue &value); - - /// Writes the given value to the debug register identified by the given - /// (architecture dependent) offset. - /// - /// This method is provided for use by RegisterContextFreeBSD derivatives. - bool - WriteDebugRegisterValue(lldb::tid_t tid, unsigned offset, - const char *reg_name, - const lldb_private::RegisterValue &value); - /// Reads all general purpose registers into the specified buffer. - bool - ReadGPR(lldb::tid_t tid, void *buf, size_t buf_size); - - /// Reads all floating point registers into the specified buffer. - bool - ReadFPR(lldb::tid_t tid, void *buf, size_t buf_size); - - /// Reads the specified register set into the specified buffer. - /// - /// This method is provided for use by RegisterContextFreeBSD derivatives. - bool - ReadRegisterSet(lldb::tid_t tid, void *buf, size_t buf_size, unsigned int regset); - - /// Writes all general purpose registers into the specified buffer. - bool - WriteGPR(lldb::tid_t tid, void *buf, size_t buf_size); - - /// Writes all floating point registers into the specified buffer. - bool - WriteFPR(lldb::tid_t tid, void *buf, size_t buf_size); - - /// Writes the specified register set into the specified buffer. - /// - /// This method is provided for use by RegisterContextFreeBSD derivatives. - bool - WriteRegisterSet(lldb::tid_t tid, void *buf, size_t buf_size, unsigned int regset); - - /// Reads the value of the thread-specific pointer for a given thread ID. - bool - ReadThreadPointer(lldb::tid_t tid, lldb::addr_t &value); - - /// Returns current thread IDs in process - size_t - GetCurrentThreadIDs(std::vector<lldb::tid_t> &thread_ids); - - /// Writes a ptrace_lwpinfo structure corresponding to the given thread ID - /// to the memory region pointed to by @p lwpinfo. - bool - GetLwpInfo(lldb::tid_t tid, void *lwpinfo, int &error_no); - - /// Suspends or unsuspends a thread prior to process resume or step. - bool - ThreadSuspend(lldb::tid_t tid, bool suspend); - - /// Writes the raw event message code (vis-a-vis PTRACE_GETEVENTMSG) - /// corresponding to the given thread IDto the memory pointed to by @p - /// message. - bool - GetEventMessage(lldb::tid_t tid, unsigned long *message); - - /// Resumes the process. If @p signo is anything but - /// LLDB_INVALID_SIGNAL_NUMBER, deliver that signal to the process. - bool - Resume(lldb::tid_t unused, uint32_t signo); - - /// Single steps the process. If @p signo is anything but - /// LLDB_INVALID_SIGNAL_NUMBER, deliver that signal to the process. - bool - SingleStep(lldb::tid_t unused, uint32_t signo); - - /// Terminate the traced process. - bool - Kill(); - - lldb_private::Error - Detach(lldb::tid_t tid); - - void - StopMonitor(); - - // Waits for the initial stop message from a new thread. - bool - WaitForInitialTIDStop(lldb::tid_t tid); + /// Launches an inferior process ready for debugging. Forms the + /// implementation of Process::DoLaunch. + ProcessMonitor(ProcessFreeBSD *process, lldb_private::Module *module, + char const *argv[], char const *envp[], + const lldb_private::FileSpec &stdin_file_spec, + const lldb_private::FileSpec &stdout_file_spec, + const lldb_private::FileSpec &stderr_file_spec, + const lldb_private::FileSpec &working_dir, + const lldb_private::ProcessLaunchInfo &launch_info, + lldb_private::Error &error); + + ProcessMonitor(ProcessFreeBSD *process, lldb::pid_t pid, + lldb_private::Error &error); + + ~ProcessMonitor(); + + /// Provides the process number of debugee. + lldb::pid_t GetPID() const { return m_pid; } + + /// Returns the process associated with this ProcessMonitor. + ProcessFreeBSD &GetProcess() { return *m_process; } + + /// Returns a file descriptor to the controlling terminal of the inferior + /// process. + /// + /// Reads from this file descriptor yield both the standard output and + /// standard error of this debugee. Even if stderr and stdout were + /// redirected on launch it may still happen that data is available on this + /// descriptor (if the inferior process opens /dev/tty, for example). This + /// descriptor is + /// closed after a call to StopMonitor(). + /// + /// If this monitor was attached to an existing process this method returns + /// -1. + int GetTerminalFD() const { return m_terminal_fd; } + + /// Reads @p size bytes from address @vm_adder in the inferior process + /// address space. + /// + /// This method is provided to implement Process::DoReadMemory. + size_t ReadMemory(lldb::addr_t vm_addr, void *buf, size_t size, + lldb_private::Error &error); + + /// Writes @p size bytes from address @p vm_adder in the inferior process + /// address space. + /// + /// This method is provided to implement Process::DoWriteMemory. + size_t WriteMemory(lldb::addr_t vm_addr, const void *buf, size_t size, + lldb_private::Error &error); + + /// Reads the contents from the register identified by the given (architecture + /// dependent) offset. + /// + /// This method is provided for use by RegisterContextFreeBSD derivatives. + bool ReadRegisterValue(lldb::tid_t tid, unsigned offset, const char *reg_name, + unsigned size, lldb_private::RegisterValue &value); + + /// Writes the given value to the register identified by the given + /// (architecture dependent) offset. + /// + /// This method is provided for use by RegisterContextFreeBSD derivatives. + bool WriteRegisterValue(lldb::tid_t tid, unsigned offset, + const char *reg_name, + const lldb_private::RegisterValue &value); + + /// Reads the contents from the debug register identified by the given + /// (architecture dependent) offset. + /// + /// This method is provided for use by RegisterContextFreeBSD derivatives. + bool ReadDebugRegisterValue(lldb::tid_t tid, unsigned offset, + const char *reg_name, unsigned size, + lldb_private::RegisterValue &value); + + /// Writes the given value to the debug register identified by the given + /// (architecture dependent) offset. + /// + /// This method is provided for use by RegisterContextFreeBSD derivatives. + bool WriteDebugRegisterValue(lldb::tid_t tid, unsigned offset, + const char *reg_name, + const lldb_private::RegisterValue &value); + /// Reads all general purpose registers into the specified buffer. + bool ReadGPR(lldb::tid_t tid, void *buf, size_t buf_size); + + /// Reads all floating point registers into the specified buffer. + bool ReadFPR(lldb::tid_t tid, void *buf, size_t buf_size); + + /// Reads the specified register set into the specified buffer. + /// + /// This method is provided for use by RegisterContextFreeBSD derivatives. + bool ReadRegisterSet(lldb::tid_t tid, void *buf, size_t buf_size, + unsigned int regset); + + /// Writes all general purpose registers into the specified buffer. + bool WriteGPR(lldb::tid_t tid, void *buf, size_t buf_size); + + /// Writes all floating point registers into the specified buffer. + bool WriteFPR(lldb::tid_t tid, void *buf, size_t buf_size); + + /// Writes the specified register set into the specified buffer. + /// + /// This method is provided for use by RegisterContextFreeBSD derivatives. + bool WriteRegisterSet(lldb::tid_t tid, void *buf, size_t buf_size, + unsigned int regset); + + /// Reads the value of the thread-specific pointer for a given thread ID. + bool ReadThreadPointer(lldb::tid_t tid, lldb::addr_t &value); + + /// Returns current thread IDs in process + size_t GetCurrentThreadIDs(std::vector<lldb::tid_t> &thread_ids); + + /// Writes a ptrace_lwpinfo structure corresponding to the given thread ID + /// to the memory region pointed to by @p lwpinfo. + bool GetLwpInfo(lldb::tid_t tid, void *lwpinfo, int &error_no); + + /// Suspends or unsuspends a thread prior to process resume or step. + bool ThreadSuspend(lldb::tid_t tid, bool suspend); + + /// Writes the raw event message code (vis-a-vis PTRACE_GETEVENTMSG) + /// corresponding to the given thread IDto the memory pointed to by @p + /// message. + bool GetEventMessage(lldb::tid_t tid, unsigned long *message); + + /// Resumes the process. If @p signo is anything but + /// LLDB_INVALID_SIGNAL_NUMBER, deliver that signal to the process. + bool Resume(lldb::tid_t unused, uint32_t signo); + + /// Single steps the process. If @p signo is anything but + /// LLDB_INVALID_SIGNAL_NUMBER, deliver that signal to the process. + bool SingleStep(lldb::tid_t unused, uint32_t signo); + + /// Terminate the traced process. + bool Kill(); + + lldb_private::Error Detach(lldb::tid_t tid); + + void StopMonitor(); + + // Waits for the initial stop message from a new thread. + bool WaitForInitialTIDStop(lldb::tid_t tid); private: - ProcessFreeBSD *m_process; + ProcessFreeBSD *m_process; - lldb_private::HostThread m_operation_thread; - lldb_private::HostThread m_monitor_thread; - lldb::pid_t m_pid; + lldb_private::HostThread m_operation_thread; + lldb_private::HostThread m_monitor_thread; + lldb::pid_t m_pid; - int m_terminal_fd; + int m_terminal_fd; - // current operation which must be executed on the privileged thread - Operation *m_operation; - std::mutex m_operation_mutex; + // current operation which must be executed on the privileged thread + Operation *m_operation; + std::mutex m_operation_mutex; - // semaphores notified when Operation is ready to be processed and when - // the operation is complete. - sem_t m_operation_pending; - sem_t m_operation_done; + // semaphores notified when Operation is ready to be processed and when + // the operation is complete. + sem_t m_operation_pending; + sem_t m_operation_done; - struct OperationArgs - { - OperationArgs(ProcessMonitor *monitor); + struct OperationArgs { + OperationArgs(ProcessMonitor *monitor); - ~OperationArgs(); + ~OperationArgs(); - ProcessMonitor *m_monitor; // The monitor performing the attach. - sem_t m_semaphore; // Posted to once operation complete. - lldb_private::Error m_error; // Set if process operation failed. - }; + ProcessMonitor *m_monitor; // The monitor performing the attach. + sem_t m_semaphore; // Posted to once operation complete. + lldb_private::Error m_error; // Set if process operation failed. + }; - /// @class LauchArgs - /// - /// @brief Simple structure to pass data to the thread responsible for - /// launching a child process. - struct LaunchArgs : OperationArgs - { - LaunchArgs(ProcessMonitor *monitor, - lldb_private::Module *module, - char const **argv, - char const **envp, - const lldb_private::FileSpec &stdin_file_spec, - const lldb_private::FileSpec &stdout_file_spec, - const lldb_private::FileSpec &stderr_file_spec, - const lldb_private::FileSpec &working_dir); + /// @class LauchArgs + /// + /// @brief Simple structure to pass data to the thread responsible for + /// launching a child process. + struct LaunchArgs : OperationArgs { + LaunchArgs(ProcessMonitor *monitor, lldb_private::Module *module, + char const **argv, char const **envp, + const lldb_private::FileSpec &stdin_file_spec, + const lldb_private::FileSpec &stdout_file_spec, + const lldb_private::FileSpec &stderr_file_spec, + const lldb_private::FileSpec &working_dir); - ~LaunchArgs(); + ~LaunchArgs(); - lldb_private::Module *m_module; // The executable image to launch. - char const **m_argv; // Process arguments. - char const **m_envp; // Process environment. - const lldb_private::FileSpec m_stdin_file_spec; // Redirect stdin or empty. - const lldb_private::FileSpec m_stdout_file_spec; // Redirect stdout or empty. - const lldb_private::FileSpec m_stderr_file_spec; // Redirect stderr or empty. - const lldb_private::FileSpec m_working_dir; // Working directory or empty. - }; + lldb_private::Module *m_module; // The executable image to launch. + char const **m_argv; // Process arguments. + char const **m_envp; // Process environment. + const lldb_private::FileSpec m_stdin_file_spec; // Redirect stdin or empty. + const lldb_private::FileSpec + m_stdout_file_spec; // Redirect stdout or empty. + const lldb_private::FileSpec + m_stderr_file_spec; // Redirect stderr or empty. + const lldb_private::FileSpec m_working_dir; // Working directory or empty. + }; - void - StartLaunchOpThread(LaunchArgs *args, lldb_private::Error &error); + void StartLaunchOpThread(LaunchArgs *args, lldb_private::Error &error); - static void * - LaunchOpThread(void *arg); + static void *LaunchOpThread(void *arg); - static bool - Launch(LaunchArgs *args); + static bool Launch(LaunchArgs *args); - struct AttachArgs : OperationArgs - { - AttachArgs(ProcessMonitor *monitor, - lldb::pid_t pid); + struct AttachArgs : OperationArgs { + AttachArgs(ProcessMonitor *monitor, lldb::pid_t pid); - ~AttachArgs(); + ~AttachArgs(); - lldb::pid_t m_pid; // pid of the process to be attached. - }; + lldb::pid_t m_pid; // pid of the process to be attached. + }; - void - StartAttachOpThread(AttachArgs *args, lldb_private::Error &error); + void StartAttachOpThread(AttachArgs *args, lldb_private::Error &error); - static void * - AttachOpThread(void *args); + static void *AttachOpThread(void *args); - static void - Attach(AttachArgs *args); + static void Attach(AttachArgs *args); - static void - ServeOperation(OperationArgs *args); + static void ServeOperation(OperationArgs *args); - static bool - DupDescriptor(const lldb_private::FileSpec &file_spec, int fd, int flags); + static bool DupDescriptor(const lldb_private::FileSpec &file_spec, int fd, + int flags); - static bool - MonitorCallback(ProcessMonitor *monitor, lldb::pid_t pid, bool exited, int signal, int status); + static bool MonitorCallback(ProcessMonitor *monitor, lldb::pid_t pid, + bool exited, int signal, int status); - static ProcessMessage - MonitorSIGTRAP(ProcessMonitor *monitor, - const siginfo_t *info, lldb::pid_t pid); + static ProcessMessage MonitorSIGTRAP(ProcessMonitor *monitor, + const siginfo_t *info, lldb::pid_t pid); - static ProcessMessage - MonitorSignal(ProcessMonitor *monitor, - const siginfo_t *info, lldb::pid_t pid); + static ProcessMessage MonitorSignal(ProcessMonitor *monitor, + const siginfo_t *info, lldb::pid_t pid); - void - DoOperation(Operation *op); + void DoOperation(Operation *op); - /// Stops the child monitor thread. - void - StopMonitoringChildProcess(); + /// Stops the child monitor thread. + void StopMonitoringChildProcess(); - /// Stops the operation thread used to attach/launch a process. - void - StopOpThread(); + /// Stops the operation thread used to attach/launch a process. + void StopOpThread(); }; #endif // #ifndef liblldb_ProcessMonitor_H_ diff --git a/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/RegisterContextPOSIX.h b/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/RegisterContextPOSIX.h index 6ddd9cf..c0b9b2f 100644 --- a/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/RegisterContextPOSIX.h +++ b/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/RegisterContextPOSIX.h @@ -13,67 +13,56 @@ // C Includes // C++ Includes // Other libraries and framework includes +#include "RegisterInfoInterface.h" #include "lldb/Core/ArchSpec.h" #include "lldb/Target/RegisterContext.h" -#include "RegisterInfoInterface.h" //------------------------------------------------------------------------------ /// @class POSIXBreakpointProtocol /// /// @brief Extends RegisterClass with a few virtual operations useful on POSIX. -class POSIXBreakpointProtocol -{ +class POSIXBreakpointProtocol { public: - POSIXBreakpointProtocol() - { m_watchpoints_initialized = false; } - virtual ~POSIXBreakpointProtocol() {} + POSIXBreakpointProtocol() { m_watchpoints_initialized = false; } + virtual ~POSIXBreakpointProtocol() {} - /// Updates the register state of the associated thread after hitting a - /// breakpoint (if that make sense for the architecture). Default - /// implementation simply returns true for architectures which do not - /// require any update. - /// - /// @return - /// True if the operation succeeded and false otherwise. - virtual bool UpdateAfterBreakpoint() = 0; + /// Updates the register state of the associated thread after hitting a + /// breakpoint (if that make sense for the architecture). Default + /// implementation simply returns true for architectures which do not + /// require any update. + /// + /// @return + /// True if the operation succeeded and false otherwise. + virtual bool UpdateAfterBreakpoint() = 0; - /// Determines the index in lldb's register file given a kernel byte offset. - virtual unsigned - GetRegisterIndexFromOffset(unsigned offset) = 0; + /// Determines the index in lldb's register file given a kernel byte offset. + virtual unsigned GetRegisterIndexFromOffset(unsigned offset) = 0; - // Checks to see if a watchpoint specified by hw_index caused the inferior - // to stop. - virtual bool - IsWatchpointHit (uint32_t hw_index) = 0; + // Checks to see if a watchpoint specified by hw_index caused the inferior + // to stop. + virtual bool IsWatchpointHit(uint32_t hw_index) = 0; - // Resets any watchpoints that have been hit. - virtual bool - ClearWatchpointHits () = 0; + // Resets any watchpoints that have been hit. + virtual bool ClearWatchpointHits() = 0; - // Returns the watchpoint address associated with a watchpoint hardware - // index. - virtual lldb::addr_t - GetWatchpointAddress (uint32_t hw_index) = 0; + // Returns the watchpoint address associated with a watchpoint hardware + // index. + virtual lldb::addr_t GetWatchpointAddress(uint32_t hw_index) = 0; - virtual bool - IsWatchpointVacant (uint32_t hw_index) = 0; + virtual bool IsWatchpointVacant(uint32_t hw_index) = 0; - virtual bool - SetHardwareWatchpointWithIndex (lldb::addr_t addr, size_t size, - bool read, bool write, - uint32_t hw_index) = 0; + virtual bool SetHardwareWatchpointWithIndex(lldb::addr_t addr, size_t size, + bool read, bool write, + uint32_t hw_index) = 0; - // From lldb_private::RegisterContext - virtual uint32_t - NumSupportedHardwareWatchpoints () = 0; + // From lldb_private::RegisterContext + virtual uint32_t NumSupportedHardwareWatchpoints() = 0; - // Force m_watchpoints_initialized to TRUE - void - ForceWatchpointsInitialized () {m_watchpoints_initialized = true;} + // Force m_watchpoints_initialized to TRUE + void ForceWatchpointsInitialized() { m_watchpoints_initialized = true; } protected: - bool m_watchpoints_initialized; + bool m_watchpoints_initialized; }; #endif // #ifndef liblldb_RegisterContextPOSIX_H_ - diff --git a/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/RegisterContextPOSIXProcessMonitor_arm.cpp b/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/RegisterContextPOSIXProcessMonitor_arm.cpp index 9922311..f8d5f2e 100644 --- a/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/RegisterContextPOSIXProcessMonitor_arm.cpp +++ b/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/RegisterContextPOSIXProcessMonitor_arm.cpp @@ -11,312 +11,250 @@ #include "lldb/Core/RegisterValue.h" #include "lldb/Target/Thread.h" -#include "RegisterContextPOSIX_arm.h" #include "ProcessFreeBSD.h" -#include "RegisterContextPOSIXProcessMonitor_arm.h" #include "ProcessMonitor.h" +#include "RegisterContextPOSIXProcessMonitor_arm.h" +#include "RegisterContextPOSIX_arm.h" using namespace lldb_private; using namespace lldb; #define REG_CONTEXT_SIZE (GetGPRSize()) -RegisterContextPOSIXProcessMonitor_arm::RegisterContextPOSIXProcessMonitor_arm(Thread &thread, - uint32_t concrete_frame_idx, - lldb_private::RegisterInfoInterface *register_info) - : RegisterContextPOSIX_arm(thread, concrete_frame_idx, register_info) -{ -} +RegisterContextPOSIXProcessMonitor_arm::RegisterContextPOSIXProcessMonitor_arm( + Thread &thread, uint32_t concrete_frame_idx, + lldb_private::RegisterInfoInterface *register_info) + : RegisterContextPOSIX_arm(thread, concrete_frame_idx, register_info) {} -ProcessMonitor & -RegisterContextPOSIXProcessMonitor_arm::GetMonitor() -{ - ProcessSP base = CalculateProcess(); - ProcessFreeBSD *process = static_cast<ProcessFreeBSD*>(base.get()); - return process->GetMonitor(); +ProcessMonitor &RegisterContextPOSIXProcessMonitor_arm::GetMonitor() { + ProcessSP base = CalculateProcess(); + ProcessFreeBSD *process = static_cast<ProcessFreeBSD *>(base.get()); + return process->GetMonitor(); } -bool -RegisterContextPOSIXProcessMonitor_arm::ReadGPR() -{ - ProcessMonitor &monitor = GetMonitor(); - return monitor.ReadGPR(m_thread.GetID(), &m_gpr_arm, GetGPRSize()); +bool RegisterContextPOSIXProcessMonitor_arm::ReadGPR() { + ProcessMonitor &monitor = GetMonitor(); + return monitor.ReadGPR(m_thread.GetID(), &m_gpr_arm, GetGPRSize()); } -bool -RegisterContextPOSIXProcessMonitor_arm::ReadFPR() -{ - ProcessMonitor &monitor = GetMonitor(); - return monitor.ReadFPR(m_thread.GetID(), &m_fpr, sizeof(m_fpr)); +bool RegisterContextPOSIXProcessMonitor_arm::ReadFPR() { + ProcessMonitor &monitor = GetMonitor(); + return monitor.ReadFPR(m_thread.GetID(), &m_fpr, sizeof(m_fpr)); } -bool -RegisterContextPOSIXProcessMonitor_arm::WriteGPR() -{ - ProcessMonitor &monitor = GetMonitor(); - return monitor.WriteGPR(m_thread.GetID(), &m_gpr_arm, GetGPRSize()); +bool RegisterContextPOSIXProcessMonitor_arm::WriteGPR() { + ProcessMonitor &monitor = GetMonitor(); + return monitor.WriteGPR(m_thread.GetID(), &m_gpr_arm, GetGPRSize()); } -bool -RegisterContextPOSIXProcessMonitor_arm::WriteFPR() -{ - ProcessMonitor &monitor = GetMonitor(); - return monitor.WriteFPR(m_thread.GetID(), &m_fpr, sizeof(m_fpr)); +bool RegisterContextPOSIXProcessMonitor_arm::WriteFPR() { + ProcessMonitor &monitor = GetMonitor(); + return monitor.WriteFPR(m_thread.GetID(), &m_fpr, sizeof(m_fpr)); } -bool -RegisterContextPOSIXProcessMonitor_arm::ReadRegister(const unsigned reg, - RegisterValue &value) -{ - ProcessMonitor &monitor = GetMonitor(); - return monitor.ReadRegisterValue(m_thread.GetID(), - GetRegisterOffset(reg), - GetRegisterName(reg), - GetRegisterSize(reg), - value); +bool RegisterContextPOSIXProcessMonitor_arm::ReadRegister( + const unsigned reg, RegisterValue &value) { + ProcessMonitor &monitor = GetMonitor(); + return monitor.ReadRegisterValue(m_thread.GetID(), GetRegisterOffset(reg), + GetRegisterName(reg), GetRegisterSize(reg), + value); } -bool -RegisterContextPOSIXProcessMonitor_arm::WriteRegister(const unsigned reg, - const RegisterValue &value) -{ - unsigned reg_to_write = reg; - RegisterValue value_to_write = value; - - // Check if this is a subregister of a full register. - const RegisterInfo *reg_info = GetRegisterInfoAtIndex(reg); - if (reg_info->invalidate_regs && (reg_info->invalidate_regs[0] != LLDB_INVALID_REGNUM)) - { - RegisterValue full_value; - uint32_t full_reg = reg_info->invalidate_regs[0]; - const RegisterInfo *full_reg_info = GetRegisterInfoAtIndex(full_reg); - - // Read the full register. - if (ReadRegister(full_reg_info, full_value)) - { - Error error; - ByteOrder byte_order = GetByteOrder(); - uint8_t dst[RegisterValue::kMaxRegisterByteSize]; - - // Get the bytes for the full register. - const uint32_t dest_size = full_value.GetAsMemoryData (full_reg_info, - dst, - sizeof(dst), - byte_order, - error); - if (error.Success() && dest_size) - { - uint8_t src[RegisterValue::kMaxRegisterByteSize]; - - // Get the bytes for the source data. - const uint32_t src_size = value.GetAsMemoryData (reg_info, src, sizeof(src), byte_order, error); - if (error.Success() && src_size && (src_size < dest_size)) - { - // Copy the src bytes to the destination. - memcpy (dst + (reg_info->byte_offset & 0x1), src, src_size); - // Set this full register as the value to write. - value_to_write.SetBytes(dst, full_value.GetByteSize(), byte_order); - value_to_write.SetType(full_reg_info); - reg_to_write = full_reg; - } - } +bool RegisterContextPOSIXProcessMonitor_arm::WriteRegister( + const unsigned reg, const RegisterValue &value) { + unsigned reg_to_write = reg; + RegisterValue value_to_write = value; + + // Check if this is a subregister of a full register. + const RegisterInfo *reg_info = GetRegisterInfoAtIndex(reg); + if (reg_info->invalidate_regs && + (reg_info->invalidate_regs[0] != LLDB_INVALID_REGNUM)) { + RegisterValue full_value; + uint32_t full_reg = reg_info->invalidate_regs[0]; + const RegisterInfo *full_reg_info = GetRegisterInfoAtIndex(full_reg); + + // Read the full register. + if (ReadRegister(full_reg_info, full_value)) { + Error error; + ByteOrder byte_order = GetByteOrder(); + uint8_t dst[RegisterValue::kMaxRegisterByteSize]; + + // Get the bytes for the full register. + const uint32_t dest_size = full_value.GetAsMemoryData( + full_reg_info, dst, sizeof(dst), byte_order, error); + if (error.Success() && dest_size) { + uint8_t src[RegisterValue::kMaxRegisterByteSize]; + + // Get the bytes for the source data. + const uint32_t src_size = value.GetAsMemoryData( + reg_info, src, sizeof(src), byte_order, error); + if (error.Success() && src_size && (src_size < dest_size)) { + // Copy the src bytes to the destination. + memcpy(dst + (reg_info->byte_offset & 0x1), src, src_size); + // Set this full register as the value to write. + value_to_write.SetBytes(dst, full_value.GetByteSize(), byte_order); + value_to_write.SetType(full_reg_info); + reg_to_write = full_reg; } + } } + } - ProcessMonitor &monitor = GetMonitor(); - return monitor.WriteRegisterValue(m_thread.GetID(), - GetRegisterOffset(reg_to_write), - GetRegisterName(reg_to_write), - value_to_write); + ProcessMonitor &monitor = GetMonitor(); + return monitor.WriteRegisterValue( + m_thread.GetID(), GetRegisterOffset(reg_to_write), + GetRegisterName(reg_to_write), value_to_write); } -bool -RegisterContextPOSIXProcessMonitor_arm::ReadRegister(const RegisterInfo *reg_info, RegisterValue &value) -{ - if (!reg_info) - return false; - - const uint32_t reg = reg_info->kinds[eRegisterKindLLDB]; - - if (IsFPR(reg)) - { - if (!ReadFPR()) - return false; - } - else - { - return ReadRegister(reg, value); - } +bool RegisterContextPOSIXProcessMonitor_arm::ReadRegister( + const RegisterInfo *reg_info, RegisterValue &value) { + if (!reg_info) + return false; - // Get pointer to m_fpr variable and set the data from it. - assert (reg_info->byte_offset < sizeof m_fpr); - uint8_t *src = (uint8_t *)&m_fpr + reg_info->byte_offset; - switch (reg_info->byte_size) - { - case 2: - value.SetUInt16(*(uint16_t *)src); - return true; - case 4: - value.SetUInt32(*(uint32_t *)src); - return true; - case 8: - value.SetUInt64(*(uint64_t *)src); - return true; - default: - assert(false && "Unhandled data size."); - return false; - } + const uint32_t reg = reg_info->kinds[eRegisterKindLLDB]; + + if (IsFPR(reg)) { + if (!ReadFPR()) + return false; + } else { + return ReadRegister(reg, value); + } + + // Get pointer to m_fpr variable and set the data from it. + assert(reg_info->byte_offset < sizeof m_fpr); + uint8_t *src = (uint8_t *)&m_fpr + reg_info->byte_offset; + switch (reg_info->byte_size) { + case 2: + value.SetUInt16(*(uint16_t *)src); + return true; + case 4: + value.SetUInt32(*(uint32_t *)src); + return true; + case 8: + value.SetUInt64(*(uint64_t *)src); + return true; + default: + assert(false && "Unhandled data size."); + return false; + } } -bool -RegisterContextPOSIXProcessMonitor_arm::WriteRegister(const RegisterInfo *reg_info, const RegisterValue &value) -{ - const uint32_t reg = reg_info->kinds[eRegisterKindLLDB]; +bool RegisterContextPOSIXProcessMonitor_arm::WriteRegister( + const RegisterInfo *reg_info, const RegisterValue &value) { + const uint32_t reg = reg_info->kinds[eRegisterKindLLDB]; - if (IsGPR(reg)) - { - return WriteRegister(reg, value); - } - else if (IsFPR(reg)) - { - return WriteFPR(); - } + if (IsGPR(reg)) { + return WriteRegister(reg, value); + } else if (IsFPR(reg)) { + return WriteFPR(); + } - return false; + return false; } -bool -RegisterContextPOSIXProcessMonitor_arm::ReadAllRegisterValues(DataBufferSP &data_sp) -{ - bool success = false; - data_sp.reset (new DataBufferHeap (REG_CONTEXT_SIZE, 0)); - if (data_sp && ReadGPR () && ReadFPR ()) - { - uint8_t *dst = data_sp->GetBytes(); - success = dst != 0; - - if (success) - { - ::memcpy (dst, &m_gpr_arm, GetGPRSize()); - dst += GetGPRSize(); - ::memcpy (dst, &m_fpr, sizeof(m_fpr)); - } +bool RegisterContextPOSIXProcessMonitor_arm::ReadAllRegisterValues( + DataBufferSP &data_sp) { + bool success = false; + data_sp.reset(new DataBufferHeap(REG_CONTEXT_SIZE, 0)); + if (data_sp && ReadGPR() && ReadFPR()) { + uint8_t *dst = data_sp->GetBytes(); + success = dst != 0; + + if (success) { + ::memcpy(dst, &m_gpr_arm, GetGPRSize()); + dst += GetGPRSize(); + ::memcpy(dst, &m_fpr, sizeof(m_fpr)); } - return success; + } + return success; } -bool -RegisterContextPOSIXProcessMonitor_arm::WriteAllRegisterValues(const DataBufferSP &data_sp) -{ - bool success = false; - if (data_sp && data_sp->GetByteSize() == REG_CONTEXT_SIZE) - { - uint8_t *src = data_sp->GetBytes(); - if (src) - { - ::memcpy (&m_gpr_arm, src, GetGPRSize()); - - if (WriteGPR()) - { - src += GetGPRSize(); - ::memcpy (&m_fpr, src, sizeof(m_fpr)); - - success = WriteFPR(); - } - } +bool RegisterContextPOSIXProcessMonitor_arm::WriteAllRegisterValues( + const DataBufferSP &data_sp) { + bool success = false; + if (data_sp && data_sp->GetByteSize() == REG_CONTEXT_SIZE) { + uint8_t *src = data_sp->GetBytes(); + if (src) { + ::memcpy(&m_gpr_arm, src, GetGPRSize()); + + if (WriteGPR()) { + src += GetGPRSize(); + ::memcpy(&m_fpr, src, sizeof(m_fpr)); + + success = WriteFPR(); + } } - return success; + } + return success; } -uint32_t -RegisterContextPOSIXProcessMonitor_arm::SetHardwareWatchpoint(addr_t addr, size_t size, - bool read, bool write) -{ - const uint32_t num_hw_watchpoints = NumSupportedHardwareWatchpoints(); - uint32_t hw_index; - - for (hw_index = 0; hw_index < num_hw_watchpoints; ++hw_index) - { - if (IsWatchpointVacant(hw_index)) - return SetHardwareWatchpointWithIndex(addr, size, - read, write, - hw_index); - } +uint32_t RegisterContextPOSIXProcessMonitor_arm::SetHardwareWatchpoint( + addr_t addr, size_t size, bool read, bool write) { + const uint32_t num_hw_watchpoints = NumSupportedHardwareWatchpoints(); + uint32_t hw_index; + + for (hw_index = 0; hw_index < num_hw_watchpoints; ++hw_index) { + if (IsWatchpointVacant(hw_index)) + return SetHardwareWatchpointWithIndex(addr, size, read, write, hw_index); + } - return LLDB_INVALID_INDEX32; + return LLDB_INVALID_INDEX32; } -bool -RegisterContextPOSIXProcessMonitor_arm::ClearHardwareWatchpoint(uint32_t hw_index) -{ - return false; +bool RegisterContextPOSIXProcessMonitor_arm::ClearHardwareWatchpoint( + uint32_t hw_index) { + return false; } -bool -RegisterContextPOSIXProcessMonitor_arm::HardwareSingleStep(bool enable) -{ - return false; +bool RegisterContextPOSIXProcessMonitor_arm::HardwareSingleStep(bool enable) { + return false; } -bool -RegisterContextPOSIXProcessMonitor_arm::UpdateAfterBreakpoint() -{ - lldb::addr_t pc; +bool RegisterContextPOSIXProcessMonitor_arm::UpdateAfterBreakpoint() { + lldb::addr_t pc; - if ((pc = GetPC()) == LLDB_INVALID_ADDRESS) - return false; + if ((pc = GetPC()) == LLDB_INVALID_ADDRESS) + return false; - return true; + return true; } -unsigned -RegisterContextPOSIXProcessMonitor_arm::GetRegisterIndexFromOffset(unsigned offset) -{ - unsigned reg; - for (reg = 0; reg < k_num_registers_arm; reg++) - { - if (GetRegisterInfo()[reg].byte_offset == offset) - break; - } - assert(reg < k_num_registers_arm && "Invalid register offset."); - return reg; +unsigned RegisterContextPOSIXProcessMonitor_arm::GetRegisterIndexFromOffset( + unsigned offset) { + unsigned reg; + for (reg = 0; reg < k_num_registers_arm; reg++) { + if (GetRegisterInfo()[reg].byte_offset == offset) + break; + } + assert(reg < k_num_registers_arm && "Invalid register offset."); + return reg; } -bool -RegisterContextPOSIXProcessMonitor_arm::IsWatchpointHit(uint32_t hw_index) -{ - return false; +bool RegisterContextPOSIXProcessMonitor_arm::IsWatchpointHit( + uint32_t hw_index) { + return false; } -bool -RegisterContextPOSIXProcessMonitor_arm::ClearWatchpointHits() -{ - return false; +bool RegisterContextPOSIXProcessMonitor_arm::ClearWatchpointHits() { + return false; } -addr_t -RegisterContextPOSIXProcessMonitor_arm::GetWatchpointAddress(uint32_t hw_index) -{ - return LLDB_INVALID_ADDRESS; +addr_t RegisterContextPOSIXProcessMonitor_arm::GetWatchpointAddress( + uint32_t hw_index) { + return LLDB_INVALID_ADDRESS; } -bool -RegisterContextPOSIXProcessMonitor_arm::IsWatchpointVacant(uint32_t hw_index) -{ - return false; +bool RegisterContextPOSIXProcessMonitor_arm::IsWatchpointVacant( + uint32_t hw_index) { + return false; } -bool -RegisterContextPOSIXProcessMonitor_arm::SetHardwareWatchpointWithIndex(addr_t addr, size_t size, - bool read, bool write, - uint32_t hw_index) -{ - return false; +bool RegisterContextPOSIXProcessMonitor_arm::SetHardwareWatchpointWithIndex( + addr_t addr, size_t size, bool read, bool write, uint32_t hw_index) { + return false; } uint32_t -RegisterContextPOSIXProcessMonitor_arm::NumSupportedHardwareWatchpoints() -{ - return 0; +RegisterContextPOSIXProcessMonitor_arm::NumSupportedHardwareWatchpoints() { + return 0; } - diff --git a/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/RegisterContextPOSIXProcessMonitor_arm.h b/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/RegisterContextPOSIXProcessMonitor_arm.h index 3787502..6aa71c2 100644 --- a/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/RegisterContextPOSIXProcessMonitor_arm.h +++ b/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/RegisterContextPOSIXProcessMonitor_arm.h @@ -10,87 +10,68 @@ #ifndef liblldb_RegisterContextPOSIXProcessMonitor_arm_H_ #define liblldb_RegisterContextPOSIXProcessMonitor_arm_H_ -#include "RegisterContextPOSIX.h" #include "Plugins/Process/Utility/RegisterContextPOSIX_arm.h" +#include "RegisterContextPOSIX.h" -class RegisterContextPOSIXProcessMonitor_arm: - public RegisterContextPOSIX_arm, - public POSIXBreakpointProtocol -{ +class RegisterContextPOSIXProcessMonitor_arm : public RegisterContextPOSIX_arm, + public POSIXBreakpointProtocol { public: - RegisterContextPOSIXProcessMonitor_arm(lldb_private::Thread &thread, - uint32_t concrete_frame_idx, - lldb_private::RegisterInfoInterface *register_info); + RegisterContextPOSIXProcessMonitor_arm( + lldb_private::Thread &thread, uint32_t concrete_frame_idx, + lldb_private::RegisterInfoInterface *register_info); protected: - bool - ReadGPR(); + bool ReadGPR(); - bool - ReadFPR(); + bool ReadFPR(); - bool - WriteGPR(); + bool WriteGPR(); - bool - WriteFPR(); + bool WriteFPR(); - // lldb_private::RegisterContext - bool - ReadRegister(const unsigned reg, lldb_private::RegisterValue &value); + // lldb_private::RegisterContext + bool ReadRegister(const unsigned reg, lldb_private::RegisterValue &value); - bool - WriteRegister(const unsigned reg, const lldb_private::RegisterValue &value); + bool WriteRegister(const unsigned reg, + const lldb_private::RegisterValue &value); - bool - ReadRegister(const lldb_private::RegisterInfo *reg_info, lldb_private::RegisterValue &value); + bool ReadRegister(const lldb_private::RegisterInfo *reg_info, + lldb_private::RegisterValue &value); - bool - WriteRegister(const lldb_private::RegisterInfo *reg_info, const lldb_private::RegisterValue &value); + bool WriteRegister(const lldb_private::RegisterInfo *reg_info, + const lldb_private::RegisterValue &value); - bool - ReadAllRegisterValues(lldb::DataBufferSP &data_sp); + bool ReadAllRegisterValues(lldb::DataBufferSP &data_sp); - bool - WriteAllRegisterValues(const lldb::DataBufferSP &data_sp); + bool WriteAllRegisterValues(const lldb::DataBufferSP &data_sp); - uint32_t - SetHardwareWatchpoint(lldb::addr_t addr, size_t size, bool read, bool write); + uint32_t SetHardwareWatchpoint(lldb::addr_t addr, size_t size, bool read, + bool write); - bool - ClearHardwareWatchpoint(uint32_t hw_index); + bool ClearHardwareWatchpoint(uint32_t hw_index); - bool - HardwareSingleStep(bool enable); + bool HardwareSingleStep(bool enable); - // POSIXBreakpointProtocol - bool - UpdateAfterBreakpoint(); + // POSIXBreakpointProtocol + bool UpdateAfterBreakpoint(); - unsigned - GetRegisterIndexFromOffset(unsigned offset); + unsigned GetRegisterIndexFromOffset(unsigned offset); - bool - IsWatchpointHit(uint32_t hw_index); + bool IsWatchpointHit(uint32_t hw_index); - bool - ClearWatchpointHits(); + bool ClearWatchpointHits(); - lldb::addr_t - GetWatchpointAddress(uint32_t hw_index); + lldb::addr_t GetWatchpointAddress(uint32_t hw_index); - bool - IsWatchpointVacant(uint32_t hw_index); + bool IsWatchpointVacant(uint32_t hw_index); - bool - SetHardwareWatchpointWithIndex(lldb::addr_t addr, size_t size, bool read, bool write, uint32_t hw_index); + bool SetHardwareWatchpointWithIndex(lldb::addr_t addr, size_t size, bool read, + bool write, uint32_t hw_index); - uint32_t - NumSupportedHardwareWatchpoints(); + uint32_t NumSupportedHardwareWatchpoints(); private: - ProcessMonitor & - GetMonitor(); + ProcessMonitor &GetMonitor(); }; #endif diff --git a/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/RegisterContextPOSIXProcessMonitor_arm64.cpp b/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/RegisterContextPOSIXProcessMonitor_arm64.cpp index a1a0cab..98a213a 100644 --- a/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/RegisterContextPOSIXProcessMonitor_arm64.cpp +++ b/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/RegisterContextPOSIXProcessMonitor_arm64.cpp @@ -21,298 +21,245 @@ using namespace lldb; using namespace lldb_private; -RegisterContextPOSIXProcessMonitor_arm64::RegisterContextPOSIXProcessMonitor_arm64(lldb_private::Thread &thread, - uint32_t concrete_frame_idx, - lldb_private::RegisterInfoInterface *register_info) - : RegisterContextPOSIX_arm64(thread, concrete_frame_idx, register_info) -{ +RegisterContextPOSIXProcessMonitor_arm64:: + RegisterContextPOSIXProcessMonitor_arm64( + lldb_private::Thread &thread, uint32_t concrete_frame_idx, + lldb_private::RegisterInfoInterface *register_info) + : RegisterContextPOSIX_arm64(thread, concrete_frame_idx, register_info) {} + +ProcessMonitor &RegisterContextPOSIXProcessMonitor_arm64::GetMonitor() { + lldb::ProcessSP base = CalculateProcess(); + ProcessFreeBSD *process = static_cast<ProcessFreeBSD *>(base.get()); + return process->GetMonitor(); } -ProcessMonitor & -RegisterContextPOSIXProcessMonitor_arm64::GetMonitor() -{ - lldb::ProcessSP base = CalculateProcess(); - ProcessFreeBSD *process = static_cast<ProcessFreeBSD*>(base.get()); - return process->GetMonitor(); +bool RegisterContextPOSIXProcessMonitor_arm64::ReadGPR() { + ProcessMonitor &monitor = GetMonitor(); + return monitor.ReadGPR(m_thread.GetID(), &m_gpr_arm64, GetGPRSize()); } -bool -RegisterContextPOSIXProcessMonitor_arm64::ReadGPR() -{ - ProcessMonitor &monitor = GetMonitor(); - return monitor.ReadGPR(m_thread.GetID(), &m_gpr_arm64, GetGPRSize()); +bool RegisterContextPOSIXProcessMonitor_arm64::ReadFPR() { + ProcessMonitor &monitor = GetMonitor(); + return monitor.ReadFPR(m_thread.GetID(), &m_fpr, sizeof m_fpr); } -bool -RegisterContextPOSIXProcessMonitor_arm64::ReadFPR() -{ - ProcessMonitor &monitor = GetMonitor(); - return monitor.ReadFPR(m_thread.GetID(), &m_fpr, sizeof m_fpr); +bool RegisterContextPOSIXProcessMonitor_arm64::WriteGPR() { + ProcessMonitor &monitor = GetMonitor(); + return monitor.WriteGPR(m_thread.GetID(), &m_gpr_arm64, GetGPRSize()); } -bool -RegisterContextPOSIXProcessMonitor_arm64::WriteGPR() -{ - ProcessMonitor &monitor = GetMonitor(); - return monitor.WriteGPR(m_thread.GetID(), &m_gpr_arm64, GetGPRSize()); +bool RegisterContextPOSIXProcessMonitor_arm64::WriteFPR() { + ProcessMonitor &monitor = GetMonitor(); + return monitor.WriteFPR(m_thread.GetID(), &m_fpr, sizeof m_fpr); } -bool -RegisterContextPOSIXProcessMonitor_arm64::WriteFPR() -{ - ProcessMonitor &monitor = GetMonitor(); - return monitor.WriteFPR(m_thread.GetID(), &m_fpr, sizeof m_fpr); +bool RegisterContextPOSIXProcessMonitor_arm64::ReadRegister( + const unsigned reg, lldb_private::RegisterValue &value) { + ProcessMonitor &monitor = GetMonitor(); + return monitor.ReadRegisterValue(m_thread.GetID(), GetRegisterOffset(reg), + GetRegisterName(reg), GetRegisterSize(reg), + value); } -bool -RegisterContextPOSIXProcessMonitor_arm64::ReadRegister(const unsigned reg, - lldb_private::RegisterValue &value) -{ - ProcessMonitor &monitor = GetMonitor(); - return monitor.ReadRegisterValue(m_thread.GetID(), - GetRegisterOffset(reg), - GetRegisterName(reg), - GetRegisterSize(reg), - value); -} - -bool -RegisterContextPOSIXProcessMonitor_arm64::WriteRegister(const unsigned reg, - const lldb_private::RegisterValue &value) -{ - unsigned reg_to_write = reg; - lldb_private::RegisterValue value_to_write = value; - - // Check if this is a subregister of a full register. - const lldb_private::RegisterInfo *reg_info = GetRegisterInfoAtIndex(reg); - if (reg_info->invalidate_regs && (reg_info->invalidate_regs[0] != LLDB_INVALID_REGNUM)) - { - lldb_private::RegisterValue full_value; - uint32_t full_reg = reg_info->invalidate_regs[0]; - const lldb_private::RegisterInfo *full_reg_info = GetRegisterInfoAtIndex(full_reg); - - // Read the full register. - if (ReadRegister(full_reg_info, full_value)) - { - lldb_private::Error error; - lldb::ByteOrder byte_order = GetByteOrder(); - uint8_t dst[lldb_private::RegisterValue::kMaxRegisterByteSize]; - - // Get the bytes for the full register. - const uint32_t dest_size = full_value.GetAsMemoryData (full_reg_info, - dst, - sizeof(dst), - byte_order, - error); - if (error.Success() && dest_size) - { - uint8_t src[lldb_private::RegisterValue::kMaxRegisterByteSize]; - - // Get the bytes for the source data. - const uint32_t src_size = value.GetAsMemoryData (reg_info, src, sizeof(src), byte_order, error); - if (error.Success() && src_size && (src_size < dest_size)) - { - // Copy the src bytes to the destination. - ::memcpy (dst + (reg_info->byte_offset & 0x1), src, src_size); - // Set this full register as the value to write. - value_to_write.SetBytes(dst, full_value.GetByteSize(), byte_order); - value_to_write.SetType(full_reg_info); - reg_to_write = full_reg; - } - } +bool RegisterContextPOSIXProcessMonitor_arm64::WriteRegister( + const unsigned reg, const lldb_private::RegisterValue &value) { + unsigned reg_to_write = reg; + lldb_private::RegisterValue value_to_write = value; + + // Check if this is a subregister of a full register. + const lldb_private::RegisterInfo *reg_info = GetRegisterInfoAtIndex(reg); + if (reg_info->invalidate_regs && + (reg_info->invalidate_regs[0] != LLDB_INVALID_REGNUM)) { + lldb_private::RegisterValue full_value; + uint32_t full_reg = reg_info->invalidate_regs[0]; + const lldb_private::RegisterInfo *full_reg_info = + GetRegisterInfoAtIndex(full_reg); + + // Read the full register. + if (ReadRegister(full_reg_info, full_value)) { + lldb_private::Error error; + lldb::ByteOrder byte_order = GetByteOrder(); + uint8_t dst[lldb_private::RegisterValue::kMaxRegisterByteSize]; + + // Get the bytes for the full register. + const uint32_t dest_size = full_value.GetAsMemoryData( + full_reg_info, dst, sizeof(dst), byte_order, error); + if (error.Success() && dest_size) { + uint8_t src[lldb_private::RegisterValue::kMaxRegisterByteSize]; + + // Get the bytes for the source data. + const uint32_t src_size = value.GetAsMemoryData( + reg_info, src, sizeof(src), byte_order, error); + if (error.Success() && src_size && (src_size < dest_size)) { + // Copy the src bytes to the destination. + ::memcpy(dst + (reg_info->byte_offset & 0x1), src, src_size); + // Set this full register as the value to write. + value_to_write.SetBytes(dst, full_value.GetByteSize(), byte_order); + value_to_write.SetType(full_reg_info); + reg_to_write = full_reg; } + } } + } - ProcessMonitor &monitor = GetMonitor(); - return monitor.WriteRegisterValue(m_thread.GetID(), - GetRegisterOffset(reg_to_write), - GetRegisterName(reg_to_write), - value_to_write); + ProcessMonitor &monitor = GetMonitor(); + return monitor.WriteRegisterValue( + m_thread.GetID(), GetRegisterOffset(reg_to_write), + GetRegisterName(reg_to_write), value_to_write); } -bool -RegisterContextPOSIXProcessMonitor_arm64::ReadRegister(const lldb_private::RegisterInfo *reg_info, lldb_private::RegisterValue &value) -{ - if (!reg_info) - return false; +bool RegisterContextPOSIXProcessMonitor_arm64::ReadRegister( + const lldb_private::RegisterInfo *reg_info, + lldb_private::RegisterValue &value) { + if (!reg_info) + return false; - const uint32_t reg = reg_info->kinds[lldb::eRegisterKindLLDB]; + const uint32_t reg = reg_info->kinds[lldb::eRegisterKindLLDB]; - if (IsFPR(reg)) - { - if (!ReadFPR()) - return false; - } - else - { - uint32_t full_reg = reg; - bool is_subreg = reg_info->invalidate_regs && (reg_info->invalidate_regs[0] != LLDB_INVALID_REGNUM); - - if (is_subreg) - { - // Read the full aligned 64-bit register. - full_reg = reg_info->invalidate_regs[0]; - } - return ReadRegister(full_reg, value); - } + if (IsFPR(reg)) { + if (!ReadFPR()) + return false; + } else { + uint32_t full_reg = reg; + bool is_subreg = reg_info->invalidate_regs && + (reg_info->invalidate_regs[0] != LLDB_INVALID_REGNUM); - // Get pointer to m_fpr variable and set the data from it. - assert (reg_info->byte_offset < sizeof m_fpr); - uint8_t *src = (uint8_t *)&m_fpr + reg_info->byte_offset; - switch (reg_info->byte_size) - { - case 2: - value.SetUInt16(*(uint16_t *)src); - return true; - case 4: - value.SetUInt32(*(uint32_t *)src); - return true; - case 8: - value.SetUInt64(*(uint64_t *)src); - return true; - default: - assert(false && "Unhandled data size."); - return false; + if (is_subreg) { + // Read the full aligned 64-bit register. + full_reg = reg_info->invalidate_regs[0]; } + return ReadRegister(full_reg, value); + } + + // Get pointer to m_fpr variable and set the data from it. + assert(reg_info->byte_offset < sizeof m_fpr); + uint8_t *src = (uint8_t *)&m_fpr + reg_info->byte_offset; + switch (reg_info->byte_size) { + case 2: + value.SetUInt16(*(uint16_t *)src); + return true; + case 4: + value.SetUInt32(*(uint32_t *)src); + return true; + case 8: + value.SetUInt64(*(uint64_t *)src); + return true; + default: + assert(false && "Unhandled data size."); + return false; + } } -bool -RegisterContextPOSIXProcessMonitor_arm64::WriteRegister(const lldb_private::RegisterInfo *reg_info, const lldb_private::RegisterValue &value) -{ - const uint32_t reg = reg_info->kinds[lldb::eRegisterKindLLDB]; +bool RegisterContextPOSIXProcessMonitor_arm64::WriteRegister( + const lldb_private::RegisterInfo *reg_info, + const lldb_private::RegisterValue &value) { + const uint32_t reg = reg_info->kinds[lldb::eRegisterKindLLDB]; - if (IsGPR(reg)) - return WriteRegister(reg, value); + if (IsGPR(reg)) + return WriteRegister(reg, value); - return false; + return false; } -bool -RegisterContextPOSIXProcessMonitor_arm64::ReadAllRegisterValues(lldb::DataBufferSP &data_sp) -{ - bool success = false; - data_sp.reset (new lldb_private::DataBufferHeap (REG_CONTEXT_SIZE, 0)); - if (data_sp && ReadGPR () && ReadFPR ()) - { - uint8_t *dst = data_sp->GetBytes(); - success = dst != 0; - - if (success) - { - ::memcpy (dst, &m_gpr_arm64, GetGPRSize()); - dst += GetGPRSize(); - ::memcpy (dst, &m_fpr, sizeof m_fpr); - } +bool RegisterContextPOSIXProcessMonitor_arm64::ReadAllRegisterValues( + lldb::DataBufferSP &data_sp) { + bool success = false; + data_sp.reset(new lldb_private::DataBufferHeap(REG_CONTEXT_SIZE, 0)); + if (data_sp && ReadGPR() && ReadFPR()) { + uint8_t *dst = data_sp->GetBytes(); + success = dst != 0; + + if (success) { + ::memcpy(dst, &m_gpr_arm64, GetGPRSize()); + dst += GetGPRSize(); + ::memcpy(dst, &m_fpr, sizeof m_fpr); } - return success; + } + return success; } -bool -RegisterContextPOSIXProcessMonitor_arm64::WriteAllRegisterValues(const lldb::DataBufferSP &data_sp) -{ - bool success = false; - if (data_sp && data_sp->GetByteSize() == REG_CONTEXT_SIZE) - { - uint8_t *src = data_sp->GetBytes(); - if (src) - { - ::memcpy (&m_gpr_arm64, src, GetGPRSize()); - if (WriteGPR()) { - src += GetGPRSize(); - ::memcpy (&m_fpr, src, sizeof m_fpr); - success = WriteFPR(); - } - } +bool RegisterContextPOSIXProcessMonitor_arm64::WriteAllRegisterValues( + const lldb::DataBufferSP &data_sp) { + bool success = false; + if (data_sp && data_sp->GetByteSize() == REG_CONTEXT_SIZE) { + uint8_t *src = data_sp->GetBytes(); + if (src) { + ::memcpy(&m_gpr_arm64, src, GetGPRSize()); + if (WriteGPR()) { + src += GetGPRSize(); + ::memcpy(&m_fpr, src, sizeof m_fpr); + success = WriteFPR(); + } } - return success; + } + return success; } -uint32_t -RegisterContextPOSIXProcessMonitor_arm64::SetHardwareWatchpoint(lldb::addr_t addr, size_t size, - bool read, bool write) -{ - const uint32_t num_hw_watchpoints = NumSupportedHardwareWatchpoints(); - uint32_t hw_index; - - for (hw_index = 0; hw_index < num_hw_watchpoints; ++hw_index) - { - if (IsWatchpointVacant(hw_index)) - return SetHardwareWatchpointWithIndex(addr, size, - read, write, - hw_index); - } +uint32_t RegisterContextPOSIXProcessMonitor_arm64::SetHardwareWatchpoint( + lldb::addr_t addr, size_t size, bool read, bool write) { + const uint32_t num_hw_watchpoints = NumSupportedHardwareWatchpoints(); + uint32_t hw_index; + + for (hw_index = 0; hw_index < num_hw_watchpoints; ++hw_index) { + if (IsWatchpointVacant(hw_index)) + return SetHardwareWatchpointWithIndex(addr, size, read, write, hw_index); + } - return LLDB_INVALID_INDEX32; + return LLDB_INVALID_INDEX32; } -bool -RegisterContextPOSIXProcessMonitor_arm64::ClearHardwareWatchpoint(uint32_t hw_index) -{ - return false; +bool RegisterContextPOSIXProcessMonitor_arm64::ClearHardwareWatchpoint( + uint32_t hw_index) { + return false; } -bool -RegisterContextPOSIXProcessMonitor_arm64::HardwareSingleStep(bool enable) -{ - return false; +bool RegisterContextPOSIXProcessMonitor_arm64::HardwareSingleStep(bool enable) { + return false; } -bool -RegisterContextPOSIXProcessMonitor_arm64::UpdateAfterBreakpoint() -{ - if (GetPC() == LLDB_INVALID_ADDRESS) - return false; +bool RegisterContextPOSIXProcessMonitor_arm64::UpdateAfterBreakpoint() { + if (GetPC() == LLDB_INVALID_ADDRESS) + return false; - return true; + return true; } -unsigned -RegisterContextPOSIXProcessMonitor_arm64::GetRegisterIndexFromOffset(unsigned offset) -{ - unsigned reg; - for (reg = 0; reg < k_num_registers_arm64; reg++) - { - if (GetRegisterInfo()[reg].byte_offset == offset) - break; - } - assert(reg < k_num_registers_arm64 && "Invalid register offset."); - return reg; +unsigned RegisterContextPOSIXProcessMonitor_arm64::GetRegisterIndexFromOffset( + unsigned offset) { + unsigned reg; + for (reg = 0; reg < k_num_registers_arm64; reg++) { + if (GetRegisterInfo()[reg].byte_offset == offset) + break; + } + assert(reg < k_num_registers_arm64 && "Invalid register offset."); + return reg; } -bool -RegisterContextPOSIXProcessMonitor_arm64::IsWatchpointHit(uint32_t hw_index) -{ - return false; +bool RegisterContextPOSIXProcessMonitor_arm64::IsWatchpointHit( + uint32_t hw_index) { + return false; } -bool -RegisterContextPOSIXProcessMonitor_arm64::ClearWatchpointHits() -{ - return false; +bool RegisterContextPOSIXProcessMonitor_arm64::ClearWatchpointHits() { + return false; } -lldb::addr_t -RegisterContextPOSIXProcessMonitor_arm64::GetWatchpointAddress(uint32_t hw_index) -{ - return LLDB_INVALID_ADDRESS; +lldb::addr_t RegisterContextPOSIXProcessMonitor_arm64::GetWatchpointAddress( + uint32_t hw_index) { + return LLDB_INVALID_ADDRESS; } -bool -RegisterContextPOSIXProcessMonitor_arm64::IsWatchpointVacant(uint32_t hw_index) -{ - return false; +bool RegisterContextPOSIXProcessMonitor_arm64::IsWatchpointVacant( + uint32_t hw_index) { + return false; } -bool -RegisterContextPOSIXProcessMonitor_arm64::SetHardwareWatchpointWithIndex(lldb::addr_t addr, size_t size, - bool read, bool write, - uint32_t hw_index) -{ - return false; +bool RegisterContextPOSIXProcessMonitor_arm64::SetHardwareWatchpointWithIndex( + lldb::addr_t addr, size_t size, bool read, bool write, uint32_t hw_index) { + return false; } uint32_t -RegisterContextPOSIXProcessMonitor_arm64::NumSupportedHardwareWatchpoints() -{ - return 0; +RegisterContextPOSIXProcessMonitor_arm64::NumSupportedHardwareWatchpoints() { + return 0; } diff --git a/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/RegisterContextPOSIXProcessMonitor_arm64.h b/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/RegisterContextPOSIXProcessMonitor_arm64.h index 729385c..8591c83 100644 --- a/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/RegisterContextPOSIXProcessMonitor_arm64.h +++ b/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/RegisterContextPOSIXProcessMonitor_arm64.h @@ -10,87 +10,69 @@ #ifndef liblldb_RegisterContextPOSIXProcessMonitor_arm64_H_ #define liblldb_RegisterContextPOSIXProcessMonitor_arm64_H_ -#include "RegisterContextPOSIX.h" #include "Plugins/Process/Utility/RegisterContextPOSIX_arm64.h" +#include "RegisterContextPOSIX.h" -class RegisterContextPOSIXProcessMonitor_arm64: - public RegisterContextPOSIX_arm64, - public POSIXBreakpointProtocol -{ +class RegisterContextPOSIXProcessMonitor_arm64 + : public RegisterContextPOSIX_arm64, + public POSIXBreakpointProtocol { public: - RegisterContextPOSIXProcessMonitor_arm64(lldb_private::Thread &thread, - uint32_t concrete_frame_idx, - lldb_private::RegisterInfoInterface *register_info); + RegisterContextPOSIXProcessMonitor_arm64( + lldb_private::Thread &thread, uint32_t concrete_frame_idx, + lldb_private::RegisterInfoInterface *register_info); protected: - bool - ReadGPR(); + bool ReadGPR(); - bool - ReadFPR(); + bool ReadFPR(); - bool - WriteGPR(); + bool WriteGPR(); - bool - WriteFPR(); + bool WriteFPR(); - // lldb_private::RegisterContext - bool - ReadRegister(const unsigned reg, lldb_private::RegisterValue &value); + // lldb_private::RegisterContext + bool ReadRegister(const unsigned reg, lldb_private::RegisterValue &value); - bool - WriteRegister(const unsigned reg, const lldb_private::RegisterValue &value); + bool WriteRegister(const unsigned reg, + const lldb_private::RegisterValue &value); - bool - ReadRegister(const lldb_private::RegisterInfo *reg_info, lldb_private::RegisterValue &value); + bool ReadRegister(const lldb_private::RegisterInfo *reg_info, + lldb_private::RegisterValue &value); - bool - WriteRegister(const lldb_private::RegisterInfo *reg_info, const lldb_private::RegisterValue &value); + bool WriteRegister(const lldb_private::RegisterInfo *reg_info, + const lldb_private::RegisterValue &value); - bool - ReadAllRegisterValues(lldb::DataBufferSP &data_sp); + bool ReadAllRegisterValues(lldb::DataBufferSP &data_sp); - bool - WriteAllRegisterValues(const lldb::DataBufferSP &data_sp); + bool WriteAllRegisterValues(const lldb::DataBufferSP &data_sp); - uint32_t - SetHardwareWatchpoint(lldb::addr_t addr, size_t size, bool read, bool write); + uint32_t SetHardwareWatchpoint(lldb::addr_t addr, size_t size, bool read, + bool write); - bool - ClearHardwareWatchpoint(uint32_t hw_index); + bool ClearHardwareWatchpoint(uint32_t hw_index); - bool - HardwareSingleStep(bool enable); + bool HardwareSingleStep(bool enable); - // POSIXBreakpointProtocol - bool - UpdateAfterBreakpoint(); + // POSIXBreakpointProtocol + bool UpdateAfterBreakpoint(); - unsigned - GetRegisterIndexFromOffset(unsigned offset); + unsigned GetRegisterIndexFromOffset(unsigned offset); - bool - IsWatchpointHit(uint32_t hw_index); + bool IsWatchpointHit(uint32_t hw_index); - bool - ClearWatchpointHits(); + bool ClearWatchpointHits(); - lldb::addr_t - GetWatchpointAddress(uint32_t hw_index); + lldb::addr_t GetWatchpointAddress(uint32_t hw_index); - bool - IsWatchpointVacant(uint32_t hw_index); + bool IsWatchpointVacant(uint32_t hw_index); - bool - SetHardwareWatchpointWithIndex(lldb::addr_t addr, size_t size, bool read, bool write, uint32_t hw_index); + bool SetHardwareWatchpointWithIndex(lldb::addr_t addr, size_t size, bool read, + bool write, uint32_t hw_index); - uint32_t - NumSupportedHardwareWatchpoints(); + uint32_t NumSupportedHardwareWatchpoints(); private: - ProcessMonitor & - GetMonitor(); + ProcessMonitor &GetMonitor(); }; #endif diff --git a/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/RegisterContextPOSIXProcessMonitor_mips64.cpp b/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/RegisterContextPOSIXProcessMonitor_mips64.cpp index eeada4b..020636e 100644 --- a/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/RegisterContextPOSIXProcessMonitor_mips64.cpp +++ b/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/RegisterContextPOSIXProcessMonitor_mips64.cpp @@ -1,11 +1,11 @@ -//===-- RegisterContextPOSIXProcessMonitor_mips64.h ------------*- C++ -*-===// +//===-- RegisterContextPOSIXProcessMonitor_mips64.cpp -----------*- C++ -*-===// // // The LLVM Compiler Infrastructure // // This file is distributed under the University of Illinois Open Source // License. See LICENSE.TXT for details. // -//===---------------------------------------------------------------------===// +//===----------------------------------------------------------------------===// #include "lldb/Core/DataBufferHeap.h" #include "lldb/Core/RegisterValue.h" @@ -21,298 +21,243 @@ using namespace lldb; #define REG_CONTEXT_SIZE (GetGPRSize()) -RegisterContextPOSIXProcessMonitor_mips64::RegisterContextPOSIXProcessMonitor_mips64(Thread &thread, - uint32_t concrete_frame_idx, - lldb_private::RegisterInfoInterface *register_info) - : RegisterContextPOSIX_mips64(thread, concrete_frame_idx, register_info) -{ -} +RegisterContextPOSIXProcessMonitor_mips64:: + RegisterContextPOSIXProcessMonitor_mips64( + Thread &thread, uint32_t concrete_frame_idx, + lldb_private::RegisterInfoInterface *register_info) + : RegisterContextPOSIX_mips64(thread, concrete_frame_idx, register_info) {} -ProcessMonitor & -RegisterContextPOSIXProcessMonitor_mips64::GetMonitor() -{ - ProcessSP base = CalculateProcess(); - ProcessFreeBSD *process = static_cast<ProcessFreeBSD*>(base.get()); - return process->GetMonitor(); +ProcessMonitor &RegisterContextPOSIXProcessMonitor_mips64::GetMonitor() { + ProcessSP base = CalculateProcess(); + ProcessFreeBSD *process = static_cast<ProcessFreeBSD *>(base.get()); + return process->GetMonitor(); } -bool -RegisterContextPOSIXProcessMonitor_mips64::ReadGPR() -{ - ProcessMonitor &monitor = GetMonitor(); - return monitor.ReadGPR(m_thread.GetID(), &m_gpr_mips64, GetGPRSize()); +bool RegisterContextPOSIXProcessMonitor_mips64::ReadGPR() { + ProcessMonitor &monitor = GetMonitor(); + return monitor.ReadGPR(m_thread.GetID(), &m_gpr_mips64, GetGPRSize()); } -bool -RegisterContextPOSIXProcessMonitor_mips64::ReadFPR() -{ - // XXX not yet implemented - return false; +bool RegisterContextPOSIXProcessMonitor_mips64::ReadFPR() { + // XXX not yet implemented + return false; } -bool -RegisterContextPOSIXProcessMonitor_mips64::WriteGPR() -{ - ProcessMonitor &monitor = GetMonitor(); - return monitor.WriteGPR(m_thread.GetID(), &m_gpr_mips64, GetGPRSize()); +bool RegisterContextPOSIXProcessMonitor_mips64::WriteGPR() { + ProcessMonitor &monitor = GetMonitor(); + return monitor.WriteGPR(m_thread.GetID(), &m_gpr_mips64, GetGPRSize()); } -bool -RegisterContextPOSIXProcessMonitor_mips64::WriteFPR() -{ - // XXX not yet implemented - return false; +bool RegisterContextPOSIXProcessMonitor_mips64::WriteFPR() { + // XXX not yet implemented + return false; } -bool -RegisterContextPOSIXProcessMonitor_mips64::ReadRegister(const unsigned reg, - RegisterValue &value) -{ - ProcessMonitor &monitor = GetMonitor(); - return monitor.ReadRegisterValue(m_thread.GetID(), - GetRegisterOffset(reg), - GetRegisterName(reg), - GetRegisterSize(reg), - value); +bool RegisterContextPOSIXProcessMonitor_mips64::ReadRegister( + const unsigned reg, RegisterValue &value) { + ProcessMonitor &monitor = GetMonitor(); + return monitor.ReadRegisterValue(m_thread.GetID(), GetRegisterOffset(reg), + GetRegisterName(reg), GetRegisterSize(reg), + value); } -bool -RegisterContextPOSIXProcessMonitor_mips64::WriteRegister(const unsigned reg, - const RegisterValue &value) -{ - unsigned reg_to_write = reg; - RegisterValue value_to_write = value; - - // Check if this is a subregister of a full register. - const RegisterInfo *reg_info = GetRegisterInfoAtIndex(reg); - if (reg_info->invalidate_regs && (reg_info->invalidate_regs[0] != LLDB_INVALID_REGNUM)) - { - RegisterValue full_value; - uint32_t full_reg = reg_info->invalidate_regs[0]; - const RegisterInfo *full_reg_info = GetRegisterInfoAtIndex(full_reg); - - // Read the full register. - if (ReadRegister(full_reg_info, full_value)) - { - Error error; - ByteOrder byte_order = GetByteOrder(); - uint8_t dst[RegisterValue::kMaxRegisterByteSize]; - - // Get the bytes for the full register. - const uint32_t dest_size = full_value.GetAsMemoryData (full_reg_info, - dst, - sizeof(dst), - byte_order, - error); - if (error.Success() && dest_size) - { - uint8_t src[RegisterValue::kMaxRegisterByteSize]; - - // Get the bytes for the source data. - const uint32_t src_size = value.GetAsMemoryData (reg_info, src, sizeof(src), byte_order, error); - if (error.Success() && src_size && (src_size < dest_size)) - { - // Copy the src bytes to the destination. - memcpy (dst + (reg_info->byte_offset & 0x1), src, src_size); - // Set this full register as the value to write. - value_to_write.SetBytes(dst, full_value.GetByteSize(), byte_order); - value_to_write.SetType(full_reg_info); - reg_to_write = full_reg; - } - } +bool RegisterContextPOSIXProcessMonitor_mips64::WriteRegister( + const unsigned reg, const RegisterValue &value) { + unsigned reg_to_write = reg; + RegisterValue value_to_write = value; + + // Check if this is a subregister of a full register. + const RegisterInfo *reg_info = GetRegisterInfoAtIndex(reg); + if (reg_info->invalidate_regs && + (reg_info->invalidate_regs[0] != LLDB_INVALID_REGNUM)) { + RegisterValue full_value; + uint32_t full_reg = reg_info->invalidate_regs[0]; + const RegisterInfo *full_reg_info = GetRegisterInfoAtIndex(full_reg); + + // Read the full register. + if (ReadRegister(full_reg_info, full_value)) { + Error error; + ByteOrder byte_order = GetByteOrder(); + uint8_t dst[RegisterValue::kMaxRegisterByteSize]; + + // Get the bytes for the full register. + const uint32_t dest_size = full_value.GetAsMemoryData( + full_reg_info, dst, sizeof(dst), byte_order, error); + if (error.Success() && dest_size) { + uint8_t src[RegisterValue::kMaxRegisterByteSize]; + + // Get the bytes for the source data. + const uint32_t src_size = value.GetAsMemoryData( + reg_info, src, sizeof(src), byte_order, error); + if (error.Success() && src_size && (src_size < dest_size)) { + // Copy the src bytes to the destination. + memcpy(dst + (reg_info->byte_offset & 0x1), src, src_size); + // Set this full register as the value to write. + value_to_write.SetBytes(dst, full_value.GetByteSize(), byte_order); + value_to_write.SetType(full_reg_info); + reg_to_write = full_reg; } + } } + } - ProcessMonitor &monitor = GetMonitor(); - return monitor.WriteRegisterValue(m_thread.GetID(), - GetRegisterOffset(reg_to_write), - GetRegisterName(reg_to_write), - value_to_write); + ProcessMonitor &monitor = GetMonitor(); + return monitor.WriteRegisterValue( + m_thread.GetID(), GetRegisterOffset(reg_to_write), + GetRegisterName(reg_to_write), value_to_write); } -bool -RegisterContextPOSIXProcessMonitor_mips64::ReadRegister(const RegisterInfo *reg_info, RegisterValue &value) -{ - if (!reg_info) - return false; +bool RegisterContextPOSIXProcessMonitor_mips64::ReadRegister( + const RegisterInfo *reg_info, RegisterValue &value) { + if (!reg_info) + return false; - const uint32_t reg = reg_info->kinds[eRegisterKindLLDB]; + const uint32_t reg = reg_info->kinds[eRegisterKindLLDB]; - if (IsFPR(reg)) - { - if (!ReadFPR()) - return false; + if (IsFPR(reg)) { + if (!ReadFPR()) + return false; + } else { + uint32_t full_reg = reg; + bool is_subreg = reg_info->invalidate_regs && + (reg_info->invalidate_regs[0] != LLDB_INVALID_REGNUM); + + if (is_subreg) { + // Read the full aligned 64-bit register. + full_reg = reg_info->invalidate_regs[0]; } - else - { - uint32_t full_reg = reg; - bool is_subreg = reg_info->invalidate_regs && (reg_info->invalidate_regs[0] != LLDB_INVALID_REGNUM); - - if (is_subreg) - { - // Read the full aligned 64-bit register. - full_reg = reg_info->invalidate_regs[0]; - } - bool success = ReadRegister(full_reg, value); + bool success = ReadRegister(full_reg, value); - if (success) - { - // If our read was not aligned (for ah,bh,ch,dh), shift our returned value one byte to the right. - if (is_subreg && (reg_info->byte_offset & 0x1)) - value.SetUInt64(value.GetAsUInt64() >> 8); + if (success) { + // If our read was not aligned (for ah,bh,ch,dh), shift our returned value + // one byte to the right. + if (is_subreg && (reg_info->byte_offset & 0x1)) + value.SetUInt64(value.GetAsUInt64() >> 8); - // If our return byte size was greater than the return value reg size, then - // use the type specified by reg_info rather than the uint64_t default - if (value.GetByteSize() > reg_info->byte_size) - value.SetType(reg_info); - } - return success; + // If our return byte size was greater than the return value reg size, + // then + // use the type specified by reg_info rather than the uint64_t default + if (value.GetByteSize() > reg_info->byte_size) + value.SetType(reg_info); } + return success; + } - return false; + return false; } -bool -RegisterContextPOSIXProcessMonitor_mips64::WriteRegister(const RegisterInfo *reg_info, const RegisterValue &value) -{ - const uint32_t reg = reg_info->kinds[eRegisterKindLLDB]; +bool RegisterContextPOSIXProcessMonitor_mips64::WriteRegister( + const RegisterInfo *reg_info, const RegisterValue &value) { + const uint32_t reg = reg_info->kinds[eRegisterKindLLDB]; - if (IsGPR(reg)) - return WriteRegister(reg, value); + if (IsGPR(reg)) + return WriteRegister(reg, value); - return false; + return false; } -bool -RegisterContextPOSIXProcessMonitor_mips64::ReadAllRegisterValues(DataBufferSP &data_sp) -{ - bool success = false; - data_sp.reset (new DataBufferHeap (REG_CONTEXT_SIZE, 0)); - if (data_sp && ReadGPR () && ReadFPR ()) - { - uint8_t *dst = data_sp->GetBytes(); - success = dst != 0; - - if (success) - { - ::memcpy (dst, &m_gpr_mips64, GetGPRSize()); - } +bool RegisterContextPOSIXProcessMonitor_mips64::ReadAllRegisterValues( + DataBufferSP &data_sp) { + bool success = false; + data_sp.reset(new DataBufferHeap(REG_CONTEXT_SIZE, 0)); + if (data_sp && ReadGPR() && ReadFPR()) { + uint8_t *dst = data_sp->GetBytes(); + success = dst != 0; + + if (success) { + ::memcpy(dst, &m_gpr_mips64, GetGPRSize()); } - return success; + } + return success; } -bool -RegisterContextPOSIXProcessMonitor_mips64::WriteAllRegisterValues(const DataBufferSP &data_sp) -{ - bool success = false; - if (data_sp && data_sp->GetByteSize() == REG_CONTEXT_SIZE) - { - uint8_t *src = data_sp->GetBytes(); - if (src) - { - ::memcpy (&m_gpr_mips64, src, GetGPRSize()); - - if (WriteGPR()) - { - src += GetGPRSize(); - } - } +bool RegisterContextPOSIXProcessMonitor_mips64::WriteAllRegisterValues( + const DataBufferSP &data_sp) { + bool success = false; + if (data_sp && data_sp->GetByteSize() == REG_CONTEXT_SIZE) { + uint8_t *src = data_sp->GetBytes(); + if (src) { + ::memcpy(&m_gpr_mips64, src, GetGPRSize()); + + if (WriteGPR()) { + src += GetGPRSize(); + } } - return success; + } + return success; } -uint32_t -RegisterContextPOSIXProcessMonitor_mips64::SetHardwareWatchpoint(addr_t addr, size_t size, - bool read, bool write) -{ - const uint32_t num_hw_watchpoints = NumSupportedHardwareWatchpoints(); - uint32_t hw_index; - - for (hw_index = 0; hw_index < num_hw_watchpoints; ++hw_index) - { - if (IsWatchpointVacant(hw_index)) - return SetHardwareWatchpointWithIndex(addr, size, - read, write, - hw_index); - } +uint32_t RegisterContextPOSIXProcessMonitor_mips64::SetHardwareWatchpoint( + addr_t addr, size_t size, bool read, bool write) { + const uint32_t num_hw_watchpoints = NumSupportedHardwareWatchpoints(); + uint32_t hw_index; + + for (hw_index = 0; hw_index < num_hw_watchpoints; ++hw_index) { + if (IsWatchpointVacant(hw_index)) + return SetHardwareWatchpointWithIndex(addr, size, read, write, hw_index); + } - return LLDB_INVALID_INDEX32; + return LLDB_INVALID_INDEX32; } -bool -RegisterContextPOSIXProcessMonitor_mips64::ClearHardwareWatchpoint(uint32_t hw_index) -{ - return false; +bool RegisterContextPOSIXProcessMonitor_mips64::ClearHardwareWatchpoint( + uint32_t hw_index) { + return false; } -bool -RegisterContextPOSIXProcessMonitor_mips64::HardwareSingleStep(bool enable) -{ - return false; +bool RegisterContextPOSIXProcessMonitor_mips64::HardwareSingleStep( + bool enable) { + return false; } -bool -RegisterContextPOSIXProcessMonitor_mips64::UpdateAfterBreakpoint() -{ - // PC points one byte past the int3 responsible for the breakpoint. - lldb::addr_t pc; +bool RegisterContextPOSIXProcessMonitor_mips64::UpdateAfterBreakpoint() { + // PC points one byte past the int3 responsible for the breakpoint. + lldb::addr_t pc; - if ((pc = GetPC()) == LLDB_INVALID_ADDRESS) - return false; + if ((pc = GetPC()) == LLDB_INVALID_ADDRESS) + return false; - SetPC(pc - 1); - return true; + SetPC(pc - 1); + return true; } -unsigned -RegisterContextPOSIXProcessMonitor_mips64::GetRegisterIndexFromOffset(unsigned offset) -{ - unsigned reg; - for (reg = 0; reg < k_num_registers_mips64; reg++) - { - if (GetRegisterInfo()[reg].byte_offset == offset) - break; - } - assert(reg < k_num_registers_mips64 && "Invalid register offset."); - return reg; +unsigned RegisterContextPOSIXProcessMonitor_mips64::GetRegisterIndexFromOffset( + unsigned offset) { + unsigned reg; + for (reg = 0; reg < k_num_registers_mips64; reg++) { + if (GetRegisterInfo()[reg].byte_offset == offset) + break; + } + assert(reg < k_num_registers_mips64 && "Invalid register offset."); + return reg; } -bool -RegisterContextPOSIXProcessMonitor_mips64::IsWatchpointHit(uint32_t hw_index) -{ - return false; +bool RegisterContextPOSIXProcessMonitor_mips64::IsWatchpointHit( + uint32_t hw_index) { + return false; } -bool -RegisterContextPOSIXProcessMonitor_mips64::ClearWatchpointHits() -{ - return false; +bool RegisterContextPOSIXProcessMonitor_mips64::ClearWatchpointHits() { + return false; } -addr_t -RegisterContextPOSIXProcessMonitor_mips64::GetWatchpointAddress(uint32_t hw_index) -{ - return LLDB_INVALID_ADDRESS; +addr_t RegisterContextPOSIXProcessMonitor_mips64::GetWatchpointAddress( + uint32_t hw_index) { + return LLDB_INVALID_ADDRESS; } -bool -RegisterContextPOSIXProcessMonitor_mips64::IsWatchpointVacant(uint32_t hw_index) -{ - return false; +bool RegisterContextPOSIXProcessMonitor_mips64::IsWatchpointVacant( + uint32_t hw_index) { + return false; } -bool -RegisterContextPOSIXProcessMonitor_mips64::SetHardwareWatchpointWithIndex(addr_t addr, size_t size, - bool read, bool write, - uint32_t hw_index) -{ - return false; +bool RegisterContextPOSIXProcessMonitor_mips64::SetHardwareWatchpointWithIndex( + addr_t addr, size_t size, bool read, bool write, uint32_t hw_index) { + return false; } uint32_t -RegisterContextPOSIXProcessMonitor_mips64::NumSupportedHardwareWatchpoints() -{ - return 0; +RegisterContextPOSIXProcessMonitor_mips64::NumSupportedHardwareWatchpoints() { + return 0; } - diff --git a/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/RegisterContextPOSIXProcessMonitor_mips64.h b/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/RegisterContextPOSIXProcessMonitor_mips64.h index e61621b..2f75e60 100644 --- a/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/RegisterContextPOSIXProcessMonitor_mips64.h +++ b/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/RegisterContextPOSIXProcessMonitor_mips64.h @@ -10,87 +10,69 @@ #ifndef liblldb_RegisterContextPOSIXProcessMonitor_mips64_H_ #define liblldb_RegisterContextPOSIXProcessMonitor_mips64_H_ -#include "RegisterContextPOSIX.h" #include "Plugins/Process/Utility/RegisterContextPOSIX_mips64.h" +#include "RegisterContextPOSIX.h" -class RegisterContextPOSIXProcessMonitor_mips64: - public RegisterContextPOSIX_mips64, - public POSIXBreakpointProtocol -{ +class RegisterContextPOSIXProcessMonitor_mips64 + : public RegisterContextPOSIX_mips64, + public POSIXBreakpointProtocol { public: - RegisterContextPOSIXProcessMonitor_mips64(lldb_private::Thread &thread, - uint32_t concrete_frame_idx, - lldb_private::RegisterInfoInterface *register_info); + RegisterContextPOSIXProcessMonitor_mips64( + lldb_private::Thread &thread, uint32_t concrete_frame_idx, + lldb_private::RegisterInfoInterface *register_info); protected: - bool - ReadGPR(); + bool ReadGPR(); - bool - ReadFPR(); + bool ReadFPR(); - bool - WriteGPR(); + bool WriteGPR(); - bool - WriteFPR(); + bool WriteFPR(); - // lldb_private::RegisterContext - bool - ReadRegister(const unsigned reg, lldb_private::RegisterValue &value); + // lldb_private::RegisterContext + bool ReadRegister(const unsigned reg, lldb_private::RegisterValue &value); - bool - WriteRegister(const unsigned reg, const lldb_private::RegisterValue &value); + bool WriteRegister(const unsigned reg, + const lldb_private::RegisterValue &value); - bool - ReadRegister(const lldb_private::RegisterInfo *reg_info, lldb_private::RegisterValue &value); + bool ReadRegister(const lldb_private::RegisterInfo *reg_info, + lldb_private::RegisterValue &value); - bool - WriteRegister(const lldb_private::RegisterInfo *reg_info, const lldb_private::RegisterValue &value); + bool WriteRegister(const lldb_private::RegisterInfo *reg_info, + const lldb_private::RegisterValue &value); - bool - ReadAllRegisterValues(lldb::DataBufferSP &data_sp); + bool ReadAllRegisterValues(lldb::DataBufferSP &data_sp); - bool - WriteAllRegisterValues(const lldb::DataBufferSP &data_sp); + bool WriteAllRegisterValues(const lldb::DataBufferSP &data_sp); - uint32_t - SetHardwareWatchpoint(lldb::addr_t addr, size_t size, bool read, bool write); + uint32_t SetHardwareWatchpoint(lldb::addr_t addr, size_t size, bool read, + bool write); - bool - ClearHardwareWatchpoint(uint32_t hw_index); + bool ClearHardwareWatchpoint(uint32_t hw_index); - bool - HardwareSingleStep(bool enable); + bool HardwareSingleStep(bool enable); - // POSIXBreakpointProtocol - bool - UpdateAfterBreakpoint(); + // POSIXBreakpointProtocol + bool UpdateAfterBreakpoint(); - unsigned - GetRegisterIndexFromOffset(unsigned offset); + unsigned GetRegisterIndexFromOffset(unsigned offset); - bool - IsWatchpointHit(uint32_t hw_index); + bool IsWatchpointHit(uint32_t hw_index); - bool - ClearWatchpointHits(); + bool ClearWatchpointHits(); - lldb::addr_t - GetWatchpointAddress(uint32_t hw_index); + lldb::addr_t GetWatchpointAddress(uint32_t hw_index); - bool - IsWatchpointVacant(uint32_t hw_index); + bool IsWatchpointVacant(uint32_t hw_index); - bool - SetHardwareWatchpointWithIndex(lldb::addr_t addr, size_t size, bool read, bool write, uint32_t hw_index); + bool SetHardwareWatchpointWithIndex(lldb::addr_t addr, size_t size, bool read, + bool write, uint32_t hw_index); - uint32_t - NumSupportedHardwareWatchpoints(); + uint32_t NumSupportedHardwareWatchpoints(); private: - ProcessMonitor & - GetMonitor(); + ProcessMonitor &GetMonitor(); }; #endif diff --git a/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/RegisterContextPOSIXProcessMonitor_powerpc.cpp b/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/RegisterContextPOSIXProcessMonitor_powerpc.cpp index 321e6ea..e7b01fa 100644 --- a/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/RegisterContextPOSIXProcessMonitor_powerpc.cpp +++ b/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/RegisterContextPOSIXProcessMonitor_powerpc.cpp @@ -1,337 +1,275 @@ -//===-- RegisterContextPOSIXProcessMonitor_powerpc.h ------------*- C++ -*-===// +//===-- RegisterContextPOSIXProcessMonitor_powerpc.cpp ----------*- C++ -*-===// // // The LLVM Compiler Infrastructure // // This file is distributed under the University of Illinois Open Source // License. See LICENSE.TXT for details. // -//===---------------------------------------------------------------------===// +//===----------------------------------------------------------------------===// #include "lldb/Core/DataBufferHeap.h" #include "lldb/Core/RegisterValue.h" #include "lldb/Target/Thread.h" -#include "RegisterContextPOSIX_powerpc.h" #include "ProcessFreeBSD.h" -#include "RegisterContextPOSIXProcessMonitor_powerpc.h" #include "ProcessMonitor.h" +#include "RegisterContextPOSIXProcessMonitor_powerpc.h" +#include "RegisterContextPOSIX_powerpc.h" using namespace lldb_private; using namespace lldb; #define REG_CONTEXT_SIZE (GetGPRSize()) -RegisterContextPOSIXProcessMonitor_powerpc::RegisterContextPOSIXProcessMonitor_powerpc(Thread &thread, - uint32_t concrete_frame_idx, - lldb_private::RegisterInfoInterface *register_info) - : RegisterContextPOSIX_powerpc(thread, concrete_frame_idx, register_info) -{ -} +RegisterContextPOSIXProcessMonitor_powerpc:: + RegisterContextPOSIXProcessMonitor_powerpc( + Thread &thread, uint32_t concrete_frame_idx, + lldb_private::RegisterInfoInterface *register_info) + : RegisterContextPOSIX_powerpc(thread, concrete_frame_idx, register_info) {} -ProcessMonitor & -RegisterContextPOSIXProcessMonitor_powerpc::GetMonitor() -{ - ProcessSP base = CalculateProcess(); - ProcessFreeBSD *process = static_cast<ProcessFreeBSD*>(base.get()); - return process->GetMonitor(); +ProcessMonitor &RegisterContextPOSIXProcessMonitor_powerpc::GetMonitor() { + ProcessSP base = CalculateProcess(); + ProcessFreeBSD *process = static_cast<ProcessFreeBSD *>(base.get()); + return process->GetMonitor(); } -bool -RegisterContextPOSIXProcessMonitor_powerpc::ReadGPR() -{ - ProcessMonitor &monitor = GetMonitor(); - return monitor.ReadGPR(m_thread.GetID(), &m_gpr_powerpc, GetGPRSize()); +bool RegisterContextPOSIXProcessMonitor_powerpc::ReadGPR() { + ProcessMonitor &monitor = GetMonitor(); + return monitor.ReadGPR(m_thread.GetID(), &m_gpr_powerpc, GetGPRSize()); } -bool -RegisterContextPOSIXProcessMonitor_powerpc::ReadFPR() -{ - ProcessMonitor &monitor = GetMonitor(); - return monitor.ReadFPR(m_thread.GetID(), &m_fpr_powerpc, sizeof(m_fpr_powerpc)); +bool RegisterContextPOSIXProcessMonitor_powerpc::ReadFPR() { + ProcessMonitor &monitor = GetMonitor(); + return monitor.ReadFPR(m_thread.GetID(), &m_fpr_powerpc, + sizeof(m_fpr_powerpc)); } -bool -RegisterContextPOSIXProcessMonitor_powerpc::ReadVMX() -{ - // XXX: Need a way to read/write process VMX registers with ptrace. - return false; +bool RegisterContextPOSIXProcessMonitor_powerpc::ReadVMX() { + // XXX: Need a way to read/write process VMX registers with ptrace. + return false; } -bool -RegisterContextPOSIXProcessMonitor_powerpc::WriteGPR() -{ - ProcessMonitor &monitor = GetMonitor(); - return monitor.WriteGPR(m_thread.GetID(), &m_gpr_powerpc, GetGPRSize()); +bool RegisterContextPOSIXProcessMonitor_powerpc::WriteGPR() { + ProcessMonitor &monitor = GetMonitor(); + return monitor.WriteGPR(m_thread.GetID(), &m_gpr_powerpc, GetGPRSize()); } -bool -RegisterContextPOSIXProcessMonitor_powerpc::WriteFPR() -{ - ProcessMonitor &monitor = GetMonitor(); - return monitor.WriteFPR(m_thread.GetID(), &m_fpr_powerpc, sizeof(m_fpr_powerpc)); +bool RegisterContextPOSIXProcessMonitor_powerpc::WriteFPR() { + ProcessMonitor &monitor = GetMonitor(); + return monitor.WriteFPR(m_thread.GetID(), &m_fpr_powerpc, + sizeof(m_fpr_powerpc)); } -bool -RegisterContextPOSIXProcessMonitor_powerpc::WriteVMX() -{ - // XXX: Need a way to read/write process VMX registers with ptrace. - return false; +bool RegisterContextPOSIXProcessMonitor_powerpc::WriteVMX() { + // XXX: Need a way to read/write process VMX registers with ptrace. + return false; } -bool -RegisterContextPOSIXProcessMonitor_powerpc::ReadRegister(const unsigned reg, - RegisterValue &value) -{ - ProcessMonitor &monitor = GetMonitor(); - return monitor.ReadRegisterValue(m_thread.GetID(), - GetRegisterOffset(reg), - GetRegisterName(reg), - GetRegisterSize(reg), - value); +bool RegisterContextPOSIXProcessMonitor_powerpc::ReadRegister( + const unsigned reg, RegisterValue &value) { + ProcessMonitor &monitor = GetMonitor(); + return monitor.ReadRegisterValue(m_thread.GetID(), GetRegisterOffset(reg), + GetRegisterName(reg), GetRegisterSize(reg), + value); } -bool -RegisterContextPOSIXProcessMonitor_powerpc::WriteRegister(const unsigned reg, - const RegisterValue &value) -{ - unsigned reg_to_write = reg; - RegisterValue value_to_write = value; - - // Check if this is a subregister of a full register. - const RegisterInfo *reg_info = GetRegisterInfoAtIndex(reg); - if (reg_info->invalidate_regs && (reg_info->invalidate_regs[0] != LLDB_INVALID_REGNUM)) - { - RegisterValue full_value; - uint32_t full_reg = reg_info->invalidate_regs[0]; - const RegisterInfo *full_reg_info = GetRegisterInfoAtIndex(full_reg); - - // Read the full register. - if (ReadRegister(full_reg_info, full_value)) - { - Error error; - ByteOrder byte_order = GetByteOrder(); - uint8_t dst[RegisterValue::kMaxRegisterByteSize]; - - // Get the bytes for the full register. - const uint32_t dest_size = full_value.GetAsMemoryData (full_reg_info, - dst, - sizeof(dst), - byte_order, - error); - if (error.Success() && dest_size) - { - uint8_t src[RegisterValue::kMaxRegisterByteSize]; - - // Get the bytes for the source data. - const uint32_t src_size = value.GetAsMemoryData (reg_info, src, sizeof(src), byte_order, error); - if (error.Success() && src_size && (src_size < dest_size)) - { - // Copy the src bytes to the destination. - memcpy (dst + (reg_info->byte_offset & 0x1), src, src_size); - // Set this full register as the value to write. - value_to_write.SetBytes(dst, full_value.GetByteSize(), byte_order); - value_to_write.SetType(full_reg_info); - reg_to_write = full_reg; - } - } +bool RegisterContextPOSIXProcessMonitor_powerpc::WriteRegister( + const unsigned reg, const RegisterValue &value) { + unsigned reg_to_write = reg; + RegisterValue value_to_write = value; + + // Check if this is a subregister of a full register. + const RegisterInfo *reg_info = GetRegisterInfoAtIndex(reg); + if (reg_info->invalidate_regs && + (reg_info->invalidate_regs[0] != LLDB_INVALID_REGNUM)) { + RegisterValue full_value; + uint32_t full_reg = reg_info->invalidate_regs[0]; + const RegisterInfo *full_reg_info = GetRegisterInfoAtIndex(full_reg); + + // Read the full register. + if (ReadRegister(full_reg_info, full_value)) { + Error error; + ByteOrder byte_order = GetByteOrder(); + uint8_t dst[RegisterValue::kMaxRegisterByteSize]; + + // Get the bytes for the full register. + const uint32_t dest_size = full_value.GetAsMemoryData( + full_reg_info, dst, sizeof(dst), byte_order, error); + if (error.Success() && dest_size) { + uint8_t src[RegisterValue::kMaxRegisterByteSize]; + + // Get the bytes for the source data. + const uint32_t src_size = value.GetAsMemoryData( + reg_info, src, sizeof(src), byte_order, error); + if (error.Success() && src_size && (src_size < dest_size)) { + // Copy the src bytes to the destination. + memcpy(dst + (reg_info->byte_offset & 0x1), src, src_size); + // Set this full register as the value to write. + value_to_write.SetBytes(dst, full_value.GetByteSize(), byte_order); + value_to_write.SetType(full_reg_info); + reg_to_write = full_reg; } + } } - - ProcessMonitor &monitor = GetMonitor(); - // Account for the fact that 32-bit targets on powerpc64 really use 64-bit - // registers in ptrace, but expose here 32-bit registers with a higher - // offset. - uint64_t offset = GetRegisterOffset(reg_to_write); - offset &= ~(sizeof(uintptr_t) - 1); - return monitor.WriteRegisterValue(m_thread.GetID(), - offset, - GetRegisterName(reg_to_write), - value_to_write); + } + + ProcessMonitor &monitor = GetMonitor(); + // Account for the fact that 32-bit targets on powerpc64 really use 64-bit + // registers in ptrace, but expose here 32-bit registers with a higher + // offset. + uint64_t offset = GetRegisterOffset(reg_to_write); + offset &= ~(sizeof(uintptr_t) - 1); + return monitor.WriteRegisterValue( + m_thread.GetID(), offset, GetRegisterName(reg_to_write), value_to_write); } -bool -RegisterContextPOSIXProcessMonitor_powerpc::ReadRegister(const RegisterInfo *reg_info, RegisterValue &value) -{ - if (!reg_info) - return false; - - const uint32_t reg = reg_info->kinds[eRegisterKindLLDB]; +bool RegisterContextPOSIXProcessMonitor_powerpc::ReadRegister( + const RegisterInfo *reg_info, RegisterValue &value) { + if (!reg_info) + return false; - if (IsFPR(reg)) - { - if (!ReadFPR()) - return false; - uint8_t *src = (uint8_t *)&m_fpr_powerpc + reg_info->byte_offset; - value.SetUInt64(*(uint64_t*)src); - } - else if (IsGPR(reg)) - { - bool success = ReadRegister(reg, value); - - if (success) - { - // If our return byte size was greater than the return value reg size, then - // use the type specified by reg_info rather than the uint64_t default - if (value.GetByteSize() > reg_info->byte_size) - value.SetType(reg_info); - } - return success; + const uint32_t reg = reg_info->kinds[eRegisterKindLLDB]; + + if (IsFPR(reg)) { + if (!ReadFPR()) + return false; + uint8_t *src = (uint8_t *)&m_fpr_powerpc + reg_info->byte_offset; + value.SetUInt64(*(uint64_t *)src); + } else if (IsGPR(reg)) { + bool success = ReadRegister(reg, value); + + if (success) { + // If our return byte size was greater than the return value reg size, + // then + // use the type specified by reg_info rather than the uint64_t default + if (value.GetByteSize() > reg_info->byte_size) + value.SetType(reg_info); } + return success; + } - return false; + return false; } -bool -RegisterContextPOSIXProcessMonitor_powerpc::WriteRegister(const RegisterInfo *reg_info, const RegisterValue &value) -{ - const uint32_t reg = reg_info->kinds[eRegisterKindLLDB]; +bool RegisterContextPOSIXProcessMonitor_powerpc::WriteRegister( + const RegisterInfo *reg_info, const RegisterValue &value) { + const uint32_t reg = reg_info->kinds[eRegisterKindLLDB]; - if (IsGPR(reg)) - { - return WriteRegister(reg, value); - } - else if (IsFPR(reg)) - { - assert (reg_info->byte_offset < sizeof(m_fpr_powerpc)); - uint8_t *dst = (uint8_t *)&m_fpr_powerpc + reg_info->byte_offset; - *(uint64_t *)dst = value.GetAsUInt64(); - return WriteFPR(); - } + if (IsGPR(reg)) { + return WriteRegister(reg, value); + } else if (IsFPR(reg)) { + assert(reg_info->byte_offset < sizeof(m_fpr_powerpc)); + uint8_t *dst = (uint8_t *)&m_fpr_powerpc + reg_info->byte_offset; + *(uint64_t *)dst = value.GetAsUInt64(); + return WriteFPR(); + } - return false; + return false; } -bool -RegisterContextPOSIXProcessMonitor_powerpc::ReadAllRegisterValues(DataBufferSP &data_sp) -{ - bool success = false; - data_sp.reset (new DataBufferHeap (REG_CONTEXT_SIZE, 0)); - if (data_sp && ReadGPR () && ReadFPR ()) - { - uint8_t *dst = data_sp->GetBytes(); - success = dst != 0; - - if (success) - { - ::memcpy (dst, &m_gpr_powerpc, GetGPRSize()); - dst += GetGPRSize(); - } +bool RegisterContextPOSIXProcessMonitor_powerpc::ReadAllRegisterValues( + DataBufferSP &data_sp) { + bool success = false; + data_sp.reset(new DataBufferHeap(REG_CONTEXT_SIZE, 0)); + if (data_sp && ReadGPR() && ReadFPR()) { + uint8_t *dst = data_sp->GetBytes(); + success = dst != 0; + + if (success) { + ::memcpy(dst, &m_gpr_powerpc, GetGPRSize()); + dst += GetGPRSize(); } - return success; + } + return success; } -bool -RegisterContextPOSIXProcessMonitor_powerpc::WriteAllRegisterValues(const DataBufferSP &data_sp) -{ - bool success = false; - if (data_sp && data_sp->GetByteSize() == REG_CONTEXT_SIZE) - { - uint8_t *src = data_sp->GetBytes(); - if (src) - { - ::memcpy (&m_gpr_powerpc, src, GetGPRSize()); - - if (WriteGPR()) - { - src += GetGPRSize(); - ::memcpy (&m_fpr_powerpc, src, sizeof(m_fpr_powerpc)); - - success = WriteFPR(); - } - } +bool RegisterContextPOSIXProcessMonitor_powerpc::WriteAllRegisterValues( + const DataBufferSP &data_sp) { + bool success = false; + if (data_sp && data_sp->GetByteSize() == REG_CONTEXT_SIZE) { + uint8_t *src = data_sp->GetBytes(); + if (src) { + ::memcpy(&m_gpr_powerpc, src, GetGPRSize()); + + if (WriteGPR()) { + src += GetGPRSize(); + ::memcpy(&m_fpr_powerpc, src, sizeof(m_fpr_powerpc)); + + success = WriteFPR(); + } } - return success; + } + return success; } -uint32_t -RegisterContextPOSIXProcessMonitor_powerpc::SetHardwareWatchpoint(addr_t addr, size_t size, - bool read, bool write) -{ - const uint32_t num_hw_watchpoints = NumSupportedHardwareWatchpoints(); - uint32_t hw_index; - - for (hw_index = 0; hw_index < num_hw_watchpoints; ++hw_index) - { - if (IsWatchpointVacant(hw_index)) - return SetHardwareWatchpointWithIndex(addr, size, - read, write, - hw_index); - } +uint32_t RegisterContextPOSIXProcessMonitor_powerpc::SetHardwareWatchpoint( + addr_t addr, size_t size, bool read, bool write) { + const uint32_t num_hw_watchpoints = NumSupportedHardwareWatchpoints(); + uint32_t hw_index; - return LLDB_INVALID_INDEX32; + for (hw_index = 0; hw_index < num_hw_watchpoints; ++hw_index) { + if (IsWatchpointVacant(hw_index)) + return SetHardwareWatchpointWithIndex(addr, size, read, write, hw_index); + } + + return LLDB_INVALID_INDEX32; } -bool -RegisterContextPOSIXProcessMonitor_powerpc::ClearHardwareWatchpoint(uint32_t hw_index) -{ - return false; +bool RegisterContextPOSIXProcessMonitor_powerpc::ClearHardwareWatchpoint( + uint32_t hw_index) { + return false; } -bool -RegisterContextPOSIXProcessMonitor_powerpc::HardwareSingleStep(bool enable) -{ - return false; +bool RegisterContextPOSIXProcessMonitor_powerpc::HardwareSingleStep( + bool enable) { + return false; } -bool -RegisterContextPOSIXProcessMonitor_powerpc::UpdateAfterBreakpoint() -{ - lldb::addr_t pc; +bool RegisterContextPOSIXProcessMonitor_powerpc::UpdateAfterBreakpoint() { + lldb::addr_t pc; - if ((pc = GetPC()) == LLDB_INVALID_ADDRESS) - return false; + if ((pc = GetPC()) == LLDB_INVALID_ADDRESS) + return false; - return true; + return true; } -unsigned -RegisterContextPOSIXProcessMonitor_powerpc::GetRegisterIndexFromOffset(unsigned offset) -{ - unsigned reg; - for (reg = 0; reg < k_num_registers_powerpc; reg++) - { - if (GetRegisterInfo()[reg].byte_offset == offset) - break; - } - assert(reg < k_num_registers_powerpc && "Invalid register offset."); - return reg; +unsigned RegisterContextPOSIXProcessMonitor_powerpc::GetRegisterIndexFromOffset( + unsigned offset) { + unsigned reg; + for (reg = 0; reg < k_num_registers_powerpc; reg++) { + if (GetRegisterInfo()[reg].byte_offset == offset) + break; + } + assert(reg < k_num_registers_powerpc && "Invalid register offset."); + return reg; } -bool -RegisterContextPOSIXProcessMonitor_powerpc::IsWatchpointHit(uint32_t hw_index) -{ - return false; +bool RegisterContextPOSIXProcessMonitor_powerpc::IsWatchpointHit( + uint32_t hw_index) { + return false; } -bool -RegisterContextPOSIXProcessMonitor_powerpc::ClearWatchpointHits() -{ - return false; +bool RegisterContextPOSIXProcessMonitor_powerpc::ClearWatchpointHits() { + return false; } -addr_t -RegisterContextPOSIXProcessMonitor_powerpc::GetWatchpointAddress(uint32_t hw_index) -{ - return LLDB_INVALID_ADDRESS; +addr_t RegisterContextPOSIXProcessMonitor_powerpc::GetWatchpointAddress( + uint32_t hw_index) { + return LLDB_INVALID_ADDRESS; } -bool -RegisterContextPOSIXProcessMonitor_powerpc::IsWatchpointVacant(uint32_t hw_index) -{ - return false; +bool RegisterContextPOSIXProcessMonitor_powerpc::IsWatchpointVacant( + uint32_t hw_index) { + return false; } -bool -RegisterContextPOSIXProcessMonitor_powerpc::SetHardwareWatchpointWithIndex(addr_t addr, size_t size, - bool read, bool write, - uint32_t hw_index) -{ - return false; +bool RegisterContextPOSIXProcessMonitor_powerpc::SetHardwareWatchpointWithIndex( + addr_t addr, size_t size, bool read, bool write, uint32_t hw_index) { + return false; } uint32_t -RegisterContextPOSIXProcessMonitor_powerpc::NumSupportedHardwareWatchpoints() -{ - return 0; +RegisterContextPOSIXProcessMonitor_powerpc::NumSupportedHardwareWatchpoints() { + return 0; } - diff --git a/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/RegisterContextPOSIXProcessMonitor_powerpc.h b/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/RegisterContextPOSIXProcessMonitor_powerpc.h index ff1d0f3..188ddea 100644 --- a/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/RegisterContextPOSIXProcessMonitor_powerpc.h +++ b/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/RegisterContextPOSIXProcessMonitor_powerpc.h @@ -1,4 +1,5 @@ -//===-- RegisterContextPOSIXProcessMonitor_powerpc.h -------------*- C++ -*-===// +//===-- RegisterContextPOSIXProcessMonitor_powerpc.h -------------*- C++ +//-*-===// // // The LLVM Compiler Infrastructure // @@ -10,96 +11,75 @@ #ifndef liblldb_RegisterContextPOSIXProcessMonitor_powerpc_H_ #define liblldb_RegisterContextPOSIXProcessMonitor_powerpc_H_ -#include "RegisterContextPOSIX.h" #include "Plugins/Process/Utility/RegisterContextPOSIX_powerpc.h" +#include "RegisterContextPOSIX.h" -class RegisterContextPOSIXProcessMonitor_powerpc: - public RegisterContextPOSIX_powerpc, - public POSIXBreakpointProtocol -{ +class RegisterContextPOSIXProcessMonitor_powerpc + : public RegisterContextPOSIX_powerpc, + public POSIXBreakpointProtocol { public: - RegisterContextPOSIXProcessMonitor_powerpc(lldb_private::Thread &thread, - uint32_t concrete_frame_idx, - lldb_private::RegisterInfoInterface *register_info); + RegisterContextPOSIXProcessMonitor_powerpc( + lldb_private::Thread &thread, uint32_t concrete_frame_idx, + lldb_private::RegisterInfoInterface *register_info); protected: - bool - IsVMX(); + bool IsVMX(); - bool - ReadGPR(); + bool ReadGPR(); - bool - ReadFPR(); + bool ReadFPR(); - bool - ReadVMX(); + bool ReadVMX(); - bool - WriteGPR(); + bool WriteGPR(); - bool - WriteFPR(); + bool WriteFPR(); - bool - WriteVMX(); + bool WriteVMX(); - // lldb_private::RegisterContext - bool - ReadRegister(const unsigned reg, lldb_private::RegisterValue &value); + // lldb_private::RegisterContext + bool ReadRegister(const unsigned reg, lldb_private::RegisterValue &value); - bool - WriteRegister(const unsigned reg, const lldb_private::RegisterValue &value); + bool WriteRegister(const unsigned reg, + const lldb_private::RegisterValue &value); - bool - ReadRegister(const lldb_private::RegisterInfo *reg_info, lldb_private::RegisterValue &value); + bool ReadRegister(const lldb_private::RegisterInfo *reg_info, + lldb_private::RegisterValue &value); - bool - WriteRegister(const lldb_private::RegisterInfo *reg_info, const lldb_private::RegisterValue &value); + bool WriteRegister(const lldb_private::RegisterInfo *reg_info, + const lldb_private::RegisterValue &value); - bool - ReadAllRegisterValues(lldb::DataBufferSP &data_sp); + bool ReadAllRegisterValues(lldb::DataBufferSP &data_sp); - bool - WriteAllRegisterValues(const lldb::DataBufferSP &data_sp); + bool WriteAllRegisterValues(const lldb::DataBufferSP &data_sp); - uint32_t - SetHardwareWatchpoint(lldb::addr_t addr, size_t size, bool read, bool write); + uint32_t SetHardwareWatchpoint(lldb::addr_t addr, size_t size, bool read, + bool write); - bool - ClearHardwareWatchpoint(uint32_t hw_index); + bool ClearHardwareWatchpoint(uint32_t hw_index); - bool - HardwareSingleStep(bool enable); + bool HardwareSingleStep(bool enable); - // POSIXBreakpointProtocol - bool - UpdateAfterBreakpoint(); + // POSIXBreakpointProtocol + bool UpdateAfterBreakpoint(); - unsigned - GetRegisterIndexFromOffset(unsigned offset); + unsigned GetRegisterIndexFromOffset(unsigned offset); - bool - IsWatchpointHit(uint32_t hw_index); + bool IsWatchpointHit(uint32_t hw_index); - bool - ClearWatchpointHits(); + bool ClearWatchpointHits(); - lldb::addr_t - GetWatchpointAddress(uint32_t hw_index); + lldb::addr_t GetWatchpointAddress(uint32_t hw_index); - bool - IsWatchpointVacant(uint32_t hw_index); + bool IsWatchpointVacant(uint32_t hw_index); - bool - SetHardwareWatchpointWithIndex(lldb::addr_t addr, size_t size, bool read, bool write, uint32_t hw_index); + bool SetHardwareWatchpointWithIndex(lldb::addr_t addr, size_t size, bool read, + bool write, uint32_t hw_index); - uint32_t - NumSupportedHardwareWatchpoints(); + uint32_t NumSupportedHardwareWatchpoints(); private: - ProcessMonitor & - GetMonitor(); + ProcessMonitor &GetMonitor(); }; #endif diff --git a/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/RegisterContextPOSIXProcessMonitor_x86.cpp b/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/RegisterContextPOSIXProcessMonitor_x86.cpp index 31b9e7a..976b190 100644 --- a/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/RegisterContextPOSIXProcessMonitor_x86.cpp +++ b/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/RegisterContextPOSIXProcessMonitor_x86.cpp @@ -1,673 +1,614 @@ -//===-- RegisterContextPOSIXProcessMonitor_x86.h ---------------*- C++ -*-===// +//===-- RegisterContextPOSIXProcessMonitor_x86.cpp --------------*- C++ -*-===// // // The LLVM Compiler Infrastructure // // This file is distributed under the University of Illinois Open Source // License. See LICENSE.TXT for details. // -//===---------------------------------------------------------------------===// +//===----------------------------------------------------------------------===// #include "lldb/Core/DataBufferHeap.h" #include "lldb/Core/RegisterValue.h" #include "lldb/Target/Thread.h" #include "Plugins/Process/FreeBSD/ProcessFreeBSD.h" -#include "RegisterContextPOSIXProcessMonitor_x86.h" #include "Plugins/Process/FreeBSD/ProcessMonitor.h" +#include "RegisterContextPOSIXProcessMonitor_x86.h" using namespace lldb_private; using namespace lldb; // Support ptrace extensions even when compiled without required kernel support #ifndef NT_X86_XSTATE - #define NT_X86_XSTATE 0x202 +#define NT_X86_XSTATE 0x202 #endif #define REG_CONTEXT_SIZE (GetGPRSize() + sizeof(FPR)) -static uint32_t -size_and_rw_bits(size_t size, bool read, bool write) -{ - uint32_t rw; - - if (read) - rw = 0x3; // READ or READ/WRITE - else if (write) - rw = 0x1; // WRITE - else - assert(0 && "read and write cannot both be false"); - - switch (size) - { - case 1: - return rw; - case 2: - return (0x1 << 2) | rw; - case 4: - return (0x3 << 2) | rw; - case 8: - return (0x2 << 2) | rw; - default: - assert(0 && "invalid size, must be one of 1, 2, 4, or 8"); - return 0; // Unreachable. Just to silence compiler. - } +static uint32_t size_and_rw_bits(size_t size, bool read, bool write) { + uint32_t rw; + + if (read) + rw = 0x3; // READ or READ/WRITE + else if (write) + rw = 0x1; // WRITE + else + assert(0 && "read and write cannot both be false"); + + switch (size) { + case 1: + return rw; + case 2: + return (0x1 << 2) | rw; + case 4: + return (0x3 << 2) | rw; + case 8: + return (0x2 << 2) | rw; + default: + assert(0 && "invalid size, must be one of 1, 2, 4, or 8"); + return 0; // Unreachable. Just to silence compiler. + } } -RegisterContextPOSIXProcessMonitor_x86_64::RegisterContextPOSIXProcessMonitor_x86_64(Thread &thread, - uint32_t concrete_frame_idx, - lldb_private::RegisterInfoInterface *register_info) - : RegisterContextPOSIX_x86(thread, concrete_frame_idx, register_info) -{ - // Store byte offset of fctrl (i.e. first register of FPR) wrt 'UserArea' - const RegisterInfo *reg_info_fctrl = GetRegisterInfoByName("fctrl"); - m_fctrl_offset_in_userarea = reg_info_fctrl->byte_offset; +RegisterContextPOSIXProcessMonitor_x86_64:: + RegisterContextPOSIXProcessMonitor_x86_64( + Thread &thread, uint32_t concrete_frame_idx, + lldb_private::RegisterInfoInterface *register_info) + : RegisterContextPOSIX_x86(thread, concrete_frame_idx, register_info) { + // Store byte offset of fctrl (i.e. first register of FPR) wrt 'UserArea' + const RegisterInfo *reg_info_fctrl = GetRegisterInfoByName("fctrl"); + m_fctrl_offset_in_userarea = reg_info_fctrl->byte_offset; } -ProcessMonitor & -RegisterContextPOSIXProcessMonitor_x86_64::GetMonitor() -{ - ProcessSP base = CalculateProcess(); - ProcessFreeBSD *process = static_cast<ProcessFreeBSD*>(base.get()); - return process->GetMonitor(); +ProcessMonitor &RegisterContextPOSIXProcessMonitor_x86_64::GetMonitor() { + ProcessSP base = CalculateProcess(); + ProcessFreeBSD *process = static_cast<ProcessFreeBSD *>(base.get()); + return process->GetMonitor(); } -bool -RegisterContextPOSIXProcessMonitor_x86_64::ReadGPR() -{ - ProcessMonitor &monitor = GetMonitor(); - return monitor.ReadGPR(m_thread.GetID(), &m_gpr_x86_64, GetGPRSize()); +bool RegisterContextPOSIXProcessMonitor_x86_64::ReadGPR() { + ProcessMonitor &monitor = GetMonitor(); + return monitor.ReadGPR(m_thread.GetID(), &m_gpr_x86_64, GetGPRSize()); } -bool -RegisterContextPOSIXProcessMonitor_x86_64::ReadFPR() -{ - ProcessMonitor &monitor = GetMonitor(); - if (GetFPRType() == eFXSAVE) - return monitor.ReadFPR(m_thread.GetID(), &m_fpr.xstate.fxsave, sizeof(m_fpr.xstate.fxsave)); +bool RegisterContextPOSIXProcessMonitor_x86_64::ReadFPR() { + ProcessMonitor &monitor = GetMonitor(); + if (GetFPRType() == eFXSAVE) + return monitor.ReadFPR(m_thread.GetID(), &m_fpr.xstate.fxsave, + sizeof(m_fpr.xstate.fxsave)); - if (GetFPRType() == eXSAVE) - return monitor.ReadRegisterSet(m_thread.GetID(), &m_iovec, sizeof(m_fpr.xstate.xsave), NT_X86_XSTATE); - return false; + if (GetFPRType() == eXSAVE) + return monitor.ReadRegisterSet(m_thread.GetID(), &m_iovec, + sizeof(m_fpr.xstate.xsave), NT_X86_XSTATE); + return false; } -bool -RegisterContextPOSIXProcessMonitor_x86_64::WriteGPR() -{ - ProcessMonitor &monitor = GetMonitor(); - return monitor.WriteGPR(m_thread.GetID(), &m_gpr_x86_64, GetGPRSize()); +bool RegisterContextPOSIXProcessMonitor_x86_64::WriteGPR() { + ProcessMonitor &monitor = GetMonitor(); + return monitor.WriteGPR(m_thread.GetID(), &m_gpr_x86_64, GetGPRSize()); } -bool -RegisterContextPOSIXProcessMonitor_x86_64::WriteFPR() -{ - ProcessMonitor &monitor = GetMonitor(); - if (GetFPRType() == eFXSAVE) - return monitor.WriteFPR(m_thread.GetID(), &m_fpr.xstate.fxsave, sizeof(m_fpr.xstate.fxsave)); +bool RegisterContextPOSIXProcessMonitor_x86_64::WriteFPR() { + ProcessMonitor &monitor = GetMonitor(); + if (GetFPRType() == eFXSAVE) + return monitor.WriteFPR(m_thread.GetID(), &m_fpr.xstate.fxsave, + sizeof(m_fpr.xstate.fxsave)); - if (GetFPRType() == eXSAVE) - return monitor.WriteRegisterSet(m_thread.GetID(), &m_iovec, sizeof(m_fpr.xstate.xsave), NT_X86_XSTATE); - return false; + if (GetFPRType() == eXSAVE) + return monitor.WriteRegisterSet(m_thread.GetID(), &m_iovec, + sizeof(m_fpr.xstate.xsave), NT_X86_XSTATE); + return false; } -bool -RegisterContextPOSIXProcessMonitor_x86_64::ReadRegister(const unsigned reg, - RegisterValue &value) -{ - ProcessMonitor &monitor = GetMonitor(); +bool RegisterContextPOSIXProcessMonitor_x86_64::ReadRegister( + const unsigned reg, RegisterValue &value) { + ProcessMonitor &monitor = GetMonitor(); #if defined(__FreeBSD__) - if (reg >= m_reg_info.first_dr) - return monitor.ReadDebugRegisterValue(m_thread.GetID(), - GetRegisterOffset(reg), - GetRegisterName(reg), - GetRegisterSize(reg), - value); + if (reg >= m_reg_info.first_dr) + return monitor.ReadDebugRegisterValue( + m_thread.GetID(), GetRegisterOffset(reg), GetRegisterName(reg), + GetRegisterSize(reg), value); #endif - return monitor.ReadRegisterValue(m_thread.GetID(), - GetRegisterOffset(reg), - GetRegisterName(reg), - GetRegisterSize(reg), - value); + return monitor.ReadRegisterValue(m_thread.GetID(), GetRegisterOffset(reg), + GetRegisterName(reg), GetRegisterSize(reg), + value); } -bool -RegisterContextPOSIXProcessMonitor_x86_64::WriteRegister(const unsigned reg, - const RegisterValue &value) -{ - unsigned reg_to_write = reg; - RegisterValue value_to_write = value; - - // Check if this is a subregister of a full register. - const RegisterInfo *reg_info = GetRegisterInfoAtIndex(reg); - if (reg_info->invalidate_regs && (reg_info->invalidate_regs[0] != LLDB_INVALID_REGNUM)) - { - RegisterValue full_value; - uint32_t full_reg = reg_info->invalidate_regs[0]; - const RegisterInfo *full_reg_info = GetRegisterInfoAtIndex(full_reg); - - // Read the full register. - if (ReadRegister(full_reg_info, full_value)) - { - Error error; - ByteOrder byte_order = GetByteOrder(); - uint8_t dst[RegisterValue::kMaxRegisterByteSize]; - - // Get the bytes for the full register. - const uint32_t dest_size = full_value.GetAsMemoryData (full_reg_info, - dst, - sizeof(dst), - byte_order, - error); - if (error.Success() && dest_size) - { - uint8_t src[RegisterValue::kMaxRegisterByteSize]; - - // Get the bytes for the source data. - const uint32_t src_size = value.GetAsMemoryData (reg_info, src, sizeof(src), byte_order, error); - if (error.Success() && src_size && (src_size < dest_size)) - { - // Copy the src bytes to the destination. - memcpy (dst + (reg_info->byte_offset & 0x1), src, src_size); - // Set this full register as the value to write. - value_to_write.SetBytes(dst, full_value.GetByteSize(), byte_order); - value_to_write.SetType(full_reg_info); - reg_to_write = full_reg; - } - } +bool RegisterContextPOSIXProcessMonitor_x86_64::WriteRegister( + const unsigned reg, const RegisterValue &value) { + unsigned reg_to_write = reg; + RegisterValue value_to_write = value; + + // Check if this is a subregister of a full register. + const RegisterInfo *reg_info = GetRegisterInfoAtIndex(reg); + if (reg_info->invalidate_regs && + (reg_info->invalidate_regs[0] != LLDB_INVALID_REGNUM)) { + RegisterValue full_value; + uint32_t full_reg = reg_info->invalidate_regs[0]; + const RegisterInfo *full_reg_info = GetRegisterInfoAtIndex(full_reg); + + // Read the full register. + if (ReadRegister(full_reg_info, full_value)) { + Error error; + ByteOrder byte_order = GetByteOrder(); + uint8_t dst[RegisterValue::kMaxRegisterByteSize]; + + // Get the bytes for the full register. + const uint32_t dest_size = full_value.GetAsMemoryData( + full_reg_info, dst, sizeof(dst), byte_order, error); + if (error.Success() && dest_size) { + uint8_t src[RegisterValue::kMaxRegisterByteSize]; + + // Get the bytes for the source data. + const uint32_t src_size = value.GetAsMemoryData( + reg_info, src, sizeof(src), byte_order, error); + if (error.Success() && src_size && (src_size < dest_size)) { + // Copy the src bytes to the destination. + memcpy(dst + (reg_info->byte_offset & 0x1), src, src_size); + // Set this full register as the value to write. + value_to_write.SetBytes(dst, full_value.GetByteSize(), byte_order); + value_to_write.SetType(full_reg_info); + reg_to_write = full_reg; } + } } + } - ProcessMonitor &monitor = GetMonitor(); + ProcessMonitor &monitor = GetMonitor(); #if defined(__FreeBSD__) - if (reg >= m_reg_info.first_dr) - return monitor.WriteDebugRegisterValue(m_thread.GetID(), - GetRegisterOffset(reg_to_write), - GetRegisterName(reg_to_write), - value_to_write); + if (reg >= m_reg_info.first_dr) + return monitor.WriteDebugRegisterValue( + m_thread.GetID(), GetRegisterOffset(reg_to_write), + GetRegisterName(reg_to_write), value_to_write); #endif - return monitor.WriteRegisterValue(m_thread.GetID(), - GetRegisterOffset(reg_to_write), - GetRegisterName(reg_to_write), - value_to_write); + return monitor.WriteRegisterValue( + m_thread.GetID(), GetRegisterOffset(reg_to_write), + GetRegisterName(reg_to_write), value_to_write); } -bool -RegisterContextPOSIXProcessMonitor_x86_64::ReadRegister(const RegisterInfo *reg_info, RegisterValue &value) -{ - if (!reg_info) - return false; +bool RegisterContextPOSIXProcessMonitor_x86_64::ReadRegister( + const RegisterInfo *reg_info, RegisterValue &value) { + if (!reg_info) + return false; - const uint32_t reg = reg_info->kinds[eRegisterKindLLDB]; + const uint32_t reg = reg_info->kinds[eRegisterKindLLDB]; - if (IsFPR(reg, GetFPRType())) - { - if (!ReadFPR()) - return false; + if (IsFPR(reg, GetFPRType())) { + if (!ReadFPR()) + return false; + } else { + uint32_t full_reg = reg; + bool is_subreg = reg_info->invalidate_regs && + (reg_info->invalidate_regs[0] != LLDB_INVALID_REGNUM); + + if (is_subreg) { + // Read the full aligned 64-bit register. + full_reg = reg_info->invalidate_regs[0]; } - else - { - uint32_t full_reg = reg; - bool is_subreg = reg_info->invalidate_regs && (reg_info->invalidate_regs[0] != LLDB_INVALID_REGNUM); - - if (is_subreg) - { - // Read the full aligned 64-bit register. - full_reg = reg_info->invalidate_regs[0]; - } - bool success = ReadRegister(full_reg, value); + bool success = ReadRegister(full_reg, value); - if (success) - { - // If our read was not aligned (for ah,bh,ch,dh), shift our returned value one byte to the right. - if (is_subreg && (reg_info->byte_offset & 0x1)) - value.SetUInt64(value.GetAsUInt64() >> 8); + if (success) { + // If our read was not aligned (for ah,bh,ch,dh), shift our returned value + // one byte to the right. + if (is_subreg && (reg_info->byte_offset & 0x1)) + value.SetUInt64(value.GetAsUInt64() >> 8); - // If our return byte size was greater than the return value reg size, then - // use the type specified by reg_info rather than the uint64_t default - if (value.GetByteSize() > reg_info->byte_size) - value.SetType(reg_info); - } - return success; + // If our return byte size was greater than the return value reg size, + // then + // use the type specified by reg_info rather than the uint64_t default + if (value.GetByteSize() > reg_info->byte_size) + value.SetType(reg_info); } + return success; + } + + if (reg_info->encoding == eEncodingVector) { + ByteOrder byte_order = GetByteOrder(); + + if (byte_order != ByteOrder::eByteOrderInvalid) { + if (reg >= m_reg_info.first_st && reg <= m_reg_info.last_st) + value.SetBytes( + m_fpr.xstate.fxsave.stmm[reg - m_reg_info.first_st].bytes, + reg_info->byte_size, byte_order); + if (reg >= m_reg_info.first_mm && reg <= m_reg_info.last_mm) + value.SetBytes( + m_fpr.xstate.fxsave.stmm[reg - m_reg_info.first_mm].bytes, + reg_info->byte_size, byte_order); + if (reg >= m_reg_info.first_xmm && reg <= m_reg_info.last_xmm) + value.SetBytes( + m_fpr.xstate.fxsave.xmm[reg - m_reg_info.first_xmm].bytes, + reg_info->byte_size, byte_order); + if (reg >= m_reg_info.first_ymm && reg <= m_reg_info.last_ymm) { + // Concatenate ymm using the register halves in xmm.bytes and ymmh.bytes + if (GetFPRType() == eXSAVE && CopyXSTATEtoYMM(reg, byte_order)) + value.SetBytes(m_ymm_set.ymm[reg - m_reg_info.first_ymm].bytes, + reg_info->byte_size, byte_order); + else + return false; + } + return value.GetType() == RegisterValue::eTypeBytes; + } + return false; + } + + // Get pointer to m_fpr.xstate.fxsave variable and set the data from it. + // Byte offsets of all registers are calculated wrt 'UserArea' structure. + // However, ReadFPR() reads fpu registers {using ptrace(PT_GETFPREGS,..)} + // and stores them in 'm_fpr' (of type FPR structure). To extract values of + // fpu + // registers, m_fpr should be read at byte offsets calculated wrt to FPR + // structure. + + // Since, FPR structure is also one of the member of UserArea structure. + // byte_offset(fpu wrt FPR) = byte_offset(fpu wrt UserArea) - + // byte_offset(fctrl wrt UserArea) + assert((reg_info->byte_offset - m_fctrl_offset_in_userarea) < sizeof(m_fpr)); + uint8_t *src = + (uint8_t *)&m_fpr + reg_info->byte_offset - m_fctrl_offset_in_userarea; + switch (reg_info->byte_size) { + case 1: + value.SetUInt8(*(uint8_t *)src); + return true; + case 2: + value.SetUInt16(*(uint16_t *)src); + return true; + case 4: + value.SetUInt32(*(uint32_t *)src); + return true; + case 8: + value.SetUInt64(*(uint64_t *)src); + return true; + default: + assert(false && "Unhandled data size."); + return false; + } +} - if (reg_info->encoding == eEncodingVector) - { - ByteOrder byte_order = GetByteOrder(); - - if (byte_order != ByteOrder::eByteOrderInvalid) - { - if (reg >= m_reg_info.first_st && reg <= m_reg_info.last_st) - value.SetBytes(m_fpr.xstate.fxsave.stmm[reg - m_reg_info.first_st].bytes, reg_info->byte_size, byte_order); - if (reg >= m_reg_info.first_mm && reg <= m_reg_info.last_mm) - value.SetBytes(m_fpr.xstate.fxsave.stmm[reg - m_reg_info.first_mm].bytes, reg_info->byte_size, byte_order); - if (reg >= m_reg_info.first_xmm && reg <= m_reg_info.last_xmm) - value.SetBytes(m_fpr.xstate.fxsave.xmm[reg - m_reg_info.first_xmm].bytes, reg_info->byte_size, byte_order); - if (reg >= m_reg_info.first_ymm && reg <= m_reg_info.last_ymm) - { - // Concatenate ymm using the register halves in xmm.bytes and ymmh.bytes - if (GetFPRType() == eXSAVE && CopyXSTATEtoYMM(reg, byte_order)) - value.SetBytes(m_ymm_set.ymm[reg - m_reg_info.first_ymm].bytes, reg_info->byte_size, byte_order); - else - return false; - } - return value.GetType() == RegisterValue::eTypeBytes; - } +bool RegisterContextPOSIXProcessMonitor_x86_64::WriteRegister( + const RegisterInfo *reg_info, const RegisterValue &value) { + const uint32_t reg = reg_info->kinds[eRegisterKindLLDB]; + + if (IsGPR(reg)) + return WriteRegister(reg, value); + + if (IsFPR(reg, GetFPRType())) { + if (reg_info->encoding == eEncodingVector) { + if (reg >= m_reg_info.first_st && reg <= m_reg_info.last_st) + ::memcpy(m_fpr.xstate.fxsave.stmm[reg - m_reg_info.first_st].bytes, + value.GetBytes(), value.GetByteSize()); + + if (reg >= m_reg_info.first_mm && reg <= m_reg_info.last_mm) + ::memcpy(m_fpr.xstate.fxsave.stmm[reg - m_reg_info.first_mm].bytes, + value.GetBytes(), value.GetByteSize()); + + if (reg >= m_reg_info.first_xmm && reg <= m_reg_info.last_xmm) + ::memcpy(m_fpr.xstate.fxsave.xmm[reg - m_reg_info.first_xmm].bytes, + value.GetBytes(), value.GetByteSize()); + + if (reg >= m_reg_info.first_ymm && reg <= m_reg_info.last_ymm) { + if (GetFPRType() != eXSAVE) + return false; // the target processor does not support AVX + + // Store ymm register content, and split into the register halves in + // xmm.bytes and ymmh.bytes + ::memcpy(m_ymm_set.ymm[reg - m_reg_info.first_ymm].bytes, + value.GetBytes(), value.GetByteSize()); + if (false == CopyYMMtoXSTATE(reg, GetByteOrder())) + return false; + } + } else { + // Get pointer to m_fpr.xstate.fxsave variable and set the data to it. + // Byte offsets of all registers are calculated wrt 'UserArea' structure. + // However, WriteFPR() takes m_fpr (of type FPR structure) and writes only + // fpu + // registers using ptrace(PT_SETFPREGS,..) API. Hence fpu registers should + // be written in m_fpr at byte offsets calculated wrt FPR structure. + + // Since, FPR structure is also one of the member of UserArea structure. + // byte_offset(fpu wrt FPR) = byte_offset(fpu wrt UserArea) - + // byte_offset(fctrl wrt UserArea) + assert((reg_info->byte_offset - m_fctrl_offset_in_userarea) < + sizeof(m_fpr)); + uint8_t *dst = (uint8_t *)&m_fpr + reg_info->byte_offset - + m_fctrl_offset_in_userarea; + switch (reg_info->byte_size) { + case 1: + *(uint8_t *)dst = value.GetAsUInt8(); + break; + case 2: + *(uint16_t *)dst = value.GetAsUInt16(); + break; + case 4: + *(uint32_t *)dst = value.GetAsUInt32(); + break; + case 8: + *(uint64_t *)dst = value.GetAsUInt64(); + break; + default: + assert(false && "Unhandled data size."); return false; + } } - // Get pointer to m_fpr.xstate.fxsave variable and set the data from it. - // Byte offsets of all registers are calculated wrt 'UserArea' structure. - // However, ReadFPR() reads fpu registers {using ptrace(PT_GETFPREGS,..)} - // and stores them in 'm_fpr' (of type FPR structure). To extract values of fpu - // registers, m_fpr should be read at byte offsets calculated wrt to FPR structure. - - // Since, FPR structure is also one of the member of UserArea structure. - // byte_offset(fpu wrt FPR) = byte_offset(fpu wrt UserArea) - byte_offset(fctrl wrt UserArea) - assert ( (reg_info->byte_offset - m_fctrl_offset_in_userarea) < sizeof(m_fpr)); - uint8_t *src = (uint8_t *)&m_fpr + reg_info->byte_offset - m_fctrl_offset_in_userarea; - switch (reg_info->byte_size) - { - case 1: - value.SetUInt8(*(uint8_t *)src); - return true; - case 2: - value.SetUInt16(*(uint16_t *)src); - return true; - case 4: - value.SetUInt32(*(uint32_t *)src); - return true; - case 8: - value.SetUInt64(*(uint64_t *)src); - return true; - default: - assert(false && "Unhandled data size."); - return false; + if (WriteFPR()) { + if (IsAVX(reg)) + return CopyYMMtoXSTATE(reg, GetByteOrder()); + return true; } + } + return false; } -bool -RegisterContextPOSIXProcessMonitor_x86_64::WriteRegister(const RegisterInfo *reg_info, const RegisterValue &value) -{ - const uint32_t reg = reg_info->kinds[eRegisterKindLLDB]; - - if (IsGPR(reg)) - return WriteRegister(reg, value); - - if (IsFPR(reg, GetFPRType())) - { - if (reg_info->encoding == eEncodingVector) - { - if (reg >= m_reg_info.first_st && reg <= m_reg_info.last_st) - ::memcpy (m_fpr.xstate.fxsave.stmm[reg - m_reg_info.first_st].bytes, value.GetBytes(), value.GetByteSize()); - - if (reg >= m_reg_info.first_mm && reg <= m_reg_info.last_mm) - ::memcpy (m_fpr.xstate.fxsave.stmm[reg - m_reg_info.first_mm].bytes, value.GetBytes(), value.GetByteSize()); - - if (reg >= m_reg_info.first_xmm && reg <= m_reg_info.last_xmm) - ::memcpy (m_fpr.xstate.fxsave.xmm[reg - m_reg_info.first_xmm].bytes, value.GetBytes(), value.GetByteSize()); - - if (reg >= m_reg_info.first_ymm && reg <= m_reg_info.last_ymm) - { - if (GetFPRType() != eXSAVE) - return false; // the target processor does not support AVX - - // Store ymm register content, and split into the register halves in xmm.bytes and ymmh.bytes - ::memcpy (m_ymm_set.ymm[reg - m_reg_info.first_ymm].bytes, value.GetBytes(), value.GetByteSize()); - if (false == CopyYMMtoXSTATE(reg, GetByteOrder())) - return false; - } - } - else - { - // Get pointer to m_fpr.xstate.fxsave variable and set the data to it. - // Byte offsets of all registers are calculated wrt 'UserArea' structure. - // However, WriteFPR() takes m_fpr (of type FPR structure) and writes only fpu - // registers using ptrace(PT_SETFPREGS,..) API. Hence fpu registers should - // be written in m_fpr at byte offsets calculated wrt FPR structure. - - // Since, FPR structure is also one of the member of UserArea structure. - // byte_offset(fpu wrt FPR) = byte_offset(fpu wrt UserArea) - byte_offset(fctrl wrt UserArea) - assert ( (reg_info->byte_offset - m_fctrl_offset_in_userarea) < sizeof(m_fpr)); - uint8_t *dst = (uint8_t *)&m_fpr + reg_info->byte_offset - m_fctrl_offset_in_userarea; - switch (reg_info->byte_size) - { - case 1: - *(uint8_t *)dst = value.GetAsUInt8(); - break; - case 2: - *(uint16_t *)dst = value.GetAsUInt16(); - break; - case 4: - *(uint32_t *)dst = value.GetAsUInt32(); - break; - case 8: - *(uint64_t *)dst = value.GetAsUInt64(); - break; - default: - assert(false && "Unhandled data size."); - return false; - } - } +bool RegisterContextPOSIXProcessMonitor_x86_64::ReadAllRegisterValues( + DataBufferSP &data_sp) { + bool success = false; + data_sp.reset(new DataBufferHeap(REG_CONTEXT_SIZE, 0)); + if (data_sp && ReadGPR() && ReadFPR()) { + uint8_t *dst = data_sp->GetBytes(); + success = dst != 0; + + if (success) { + ::memcpy(dst, &m_gpr_x86_64, GetGPRSize()); + dst += GetGPRSize(); + if (GetFPRType() == eFXSAVE) + ::memcpy(dst, &m_fpr.xstate.fxsave, sizeof(m_fpr.xstate.fxsave)); + } - if (WriteFPR()) - { - if (IsAVX(reg)) - return CopyYMMtoXSTATE(reg, GetByteOrder()); - return true; - } + if (GetFPRType() == eXSAVE) { + ByteOrder byte_order = GetByteOrder(); + + // Assemble the YMM register content from the register halves. + for (uint32_t reg = m_reg_info.first_ymm; + success && reg <= m_reg_info.last_ymm; ++reg) + success = CopyXSTATEtoYMM(reg, byte_order); + + if (success) { + // Copy the extended register state including the assembled ymm + // registers. + ::memcpy(dst, &m_fpr, sizeof(m_fpr)); + } } - return false; + } + return success; } -bool -RegisterContextPOSIXProcessMonitor_x86_64::ReadAllRegisterValues(DataBufferSP &data_sp) -{ - bool success = false; - data_sp.reset (new DataBufferHeap (REG_CONTEXT_SIZE, 0)); - if (data_sp && ReadGPR () && ReadFPR ()) - { - uint8_t *dst = data_sp->GetBytes(); - success = dst != 0; - - if (success) - { - ::memcpy (dst, &m_gpr_x86_64, GetGPRSize()); - dst += GetGPRSize(); - if (GetFPRType() == eFXSAVE) - ::memcpy (dst, &m_fpr.xstate.fxsave, sizeof(m_fpr.xstate.fxsave)); - } - +bool RegisterContextPOSIXProcessMonitor_x86_64::WriteAllRegisterValues( + const DataBufferSP &data_sp) { + bool success = false; + if (data_sp && data_sp->GetByteSize() == REG_CONTEXT_SIZE) { + uint8_t *src = data_sp->GetBytes(); + if (src) { + ::memcpy(&m_gpr_x86_64, src, GetGPRSize()); + + if (WriteGPR()) { + src += GetGPRSize(); + if (GetFPRType() == eFXSAVE) + ::memcpy(&m_fpr.xstate.fxsave, src, sizeof(m_fpr.xstate.fxsave)); if (GetFPRType() == eXSAVE) - { - ByteOrder byte_order = GetByteOrder(); + ::memcpy(&m_fpr.xstate.xsave, src, sizeof(m_fpr.xstate.xsave)); - // Assemble the YMM register content from the register halves. - for (uint32_t reg = m_reg_info.first_ymm; success && reg <= m_reg_info.last_ymm; ++reg) - success = CopyXSTATEtoYMM(reg, byte_order); + success = WriteFPR(); + if (success) { + if (GetFPRType() == eXSAVE) { + ByteOrder byte_order = GetByteOrder(); - if (success) - { - // Copy the extended register state including the assembled ymm registers. - ::memcpy (dst, &m_fpr, sizeof(m_fpr)); - } + // Parse the YMM register content from the register halves. + for (uint32_t reg = m_reg_info.first_ymm; + success && reg <= m_reg_info.last_ymm; ++reg) + success = CopyYMMtoXSTATE(reg, byte_order); + } } + } } - return success; + } + return success; } -bool -RegisterContextPOSIXProcessMonitor_x86_64::WriteAllRegisterValues(const DataBufferSP &data_sp) -{ - bool success = false; - if (data_sp && data_sp->GetByteSize() == REG_CONTEXT_SIZE) - { - uint8_t *src = data_sp->GetBytes(); - if (src) - { - ::memcpy (&m_gpr_x86_64, src, GetGPRSize()); - - if (WriteGPR()) - { - src += GetGPRSize(); - if (GetFPRType() == eFXSAVE) - ::memcpy (&m_fpr.xstate.fxsave, src, sizeof(m_fpr.xstate.fxsave)); - if (GetFPRType() == eXSAVE) - ::memcpy (&m_fpr.xstate.xsave, src, sizeof(m_fpr.xstate.xsave)); - - success = WriteFPR(); - if (success) - { - if (GetFPRType() == eXSAVE) - { - ByteOrder byte_order = GetByteOrder(); - - // Parse the YMM register content from the register halves. - for (uint32_t reg = m_reg_info.first_ymm; success && reg <= m_reg_info.last_ymm; ++reg) - success = CopyYMMtoXSTATE(reg, byte_order); - } - } - } - } - } - return success; -} +uint32_t RegisterContextPOSIXProcessMonitor_x86_64::SetHardwareWatchpoint( + addr_t addr, size_t size, bool read, bool write) { + const uint32_t num_hw_watchpoints = NumSupportedHardwareWatchpoints(); + uint32_t hw_index; -uint32_t -RegisterContextPOSIXProcessMonitor_x86_64::SetHardwareWatchpoint(addr_t addr, size_t size, - bool read, bool write) -{ - const uint32_t num_hw_watchpoints = NumSupportedHardwareWatchpoints(); - uint32_t hw_index; - - for (hw_index = 0; hw_index < num_hw_watchpoints; ++hw_index) - { - if (IsWatchpointVacant(hw_index)) - return SetHardwareWatchpointWithIndex(addr, size, - read, write, - hw_index); - } + for (hw_index = 0; hw_index < num_hw_watchpoints; ++hw_index) { + if (IsWatchpointVacant(hw_index)) + return SetHardwareWatchpointWithIndex(addr, size, read, write, hw_index); + } - return LLDB_INVALID_INDEX32; + return LLDB_INVALID_INDEX32; } -bool -RegisterContextPOSIXProcessMonitor_x86_64::ClearHardwareWatchpoint(uint32_t hw_index) -{ - if (hw_index < NumSupportedHardwareWatchpoints()) - { - RegisterValue current_dr7_bits; +bool RegisterContextPOSIXProcessMonitor_x86_64::ClearHardwareWatchpoint( + uint32_t hw_index) { + if (hw_index < NumSupportedHardwareWatchpoints()) { + RegisterValue current_dr7_bits; - if (ReadRegister(m_reg_info.first_dr + 7, current_dr7_bits)) - { - uint64_t new_dr7_bits = current_dr7_bits.GetAsUInt64() & ~(3 << (2*hw_index)); + if (ReadRegister(m_reg_info.first_dr + 7, current_dr7_bits)) { + uint64_t new_dr7_bits = + current_dr7_bits.GetAsUInt64() & ~(3 << (2 * hw_index)); - if (WriteRegister(m_reg_info.first_dr + 7, RegisterValue(new_dr7_bits))) - return true; - } + if (WriteRegister(m_reg_info.first_dr + 7, RegisterValue(new_dr7_bits))) + return true; } + } - return false; + return false; } -bool -RegisterContextPOSIXProcessMonitor_x86_64::HardwareSingleStep(bool enable) -{ - enum { TRACE_BIT = 0x100 }; - uint64_t rflags; +bool RegisterContextPOSIXProcessMonitor_x86_64::HardwareSingleStep( + bool enable) { + enum { TRACE_BIT = 0x100 }; + uint64_t rflags; - if ((rflags = ReadRegisterAsUnsigned(m_reg_info.gpr_flags, -1UL)) == -1UL) - return false; - - if (enable) - { - if (rflags & TRACE_BIT) - return true; + if ((rflags = ReadRegisterAsUnsigned(m_reg_info.gpr_flags, -1UL)) == -1UL) + return false; - rflags |= TRACE_BIT; - } - else - { - if (!(rflags & TRACE_BIT)) - return false; + if (enable) { + if (rflags & TRACE_BIT) + return true; - rflags &= ~TRACE_BIT; - } + rflags |= TRACE_BIT; + } else { + if (!(rflags & TRACE_BIT)) + return false; + + rflags &= ~TRACE_BIT; + } - return WriteRegisterFromUnsigned(m_reg_info.gpr_flags, rflags); + return WriteRegisterFromUnsigned(m_reg_info.gpr_flags, rflags); } -bool -RegisterContextPOSIXProcessMonitor_x86_64::UpdateAfterBreakpoint() -{ - // PC points one byte past the int3 responsible for the breakpoint. - lldb::addr_t pc; +bool RegisterContextPOSIXProcessMonitor_x86_64::UpdateAfterBreakpoint() { + // PC points one byte past the int3 responsible for the breakpoint. + lldb::addr_t pc; - if ((pc = GetPC()) == LLDB_INVALID_ADDRESS) - return false; + if ((pc = GetPC()) == LLDB_INVALID_ADDRESS) + return false; - SetPC(pc - 1); - return true; + SetPC(pc - 1); + return true; } -unsigned -RegisterContextPOSIXProcessMonitor_x86_64::GetRegisterIndexFromOffset(unsigned offset) -{ - unsigned reg; - for (reg = 0; reg < m_reg_info.num_registers; reg++) - { - if (GetRegisterInfo()[reg].byte_offset == offset) - break; - } - assert(reg < m_reg_info.num_registers && "Invalid register offset."); - return reg; +unsigned RegisterContextPOSIXProcessMonitor_x86_64::GetRegisterIndexFromOffset( + unsigned offset) { + unsigned reg; + for (reg = 0; reg < m_reg_info.num_registers; reg++) { + if (GetRegisterInfo()[reg].byte_offset == offset) + break; + } + assert(reg < m_reg_info.num_registers && "Invalid register offset."); + return reg; } -bool -RegisterContextPOSIXProcessMonitor_x86_64::IsWatchpointHit(uint32_t hw_index) -{ - bool is_hit = false; - - if (m_watchpoints_initialized == false) - { - // Reset the debug status and debug control registers - RegisterValue zero_bits = RegisterValue(uint64_t(0)); - if (!WriteRegister(m_reg_info.first_dr + 6, zero_bits) || !WriteRegister(m_reg_info.first_dr + 7, zero_bits)) - assert(false && "Could not initialize watchpoint registers"); - m_watchpoints_initialized = true; - } - - if (hw_index < NumSupportedHardwareWatchpoints()) - { - RegisterValue value; - - if (ReadRegister(m_reg_info.first_dr + 6, value)) - { - uint64_t val = value.GetAsUInt64(); - is_hit = val & (1 << hw_index); - } - } - - return is_hit; +bool RegisterContextPOSIXProcessMonitor_x86_64::IsWatchpointHit( + uint32_t hw_index) { + bool is_hit = false; + + if (m_watchpoints_initialized == false) { + // Reset the debug status and debug control registers + RegisterValue zero_bits = RegisterValue(uint64_t(0)); + if (!WriteRegister(m_reg_info.first_dr + 6, zero_bits) || + !WriteRegister(m_reg_info.first_dr + 7, zero_bits)) + assert(false && "Could not initialize watchpoint registers"); + m_watchpoints_initialized = true; + } + + if (hw_index < NumSupportedHardwareWatchpoints()) { + RegisterValue value; + + if (ReadRegister(m_reg_info.first_dr + 6, value)) { + uint64_t val = value.GetAsUInt64(); + is_hit = val & (1 << hw_index); + } + } + + return is_hit; } -bool -RegisterContextPOSIXProcessMonitor_x86_64::ClearWatchpointHits() -{ - return WriteRegister(m_reg_info.first_dr + 6, RegisterValue((uint64_t)0)); +bool RegisterContextPOSIXProcessMonitor_x86_64::ClearWatchpointHits() { + return WriteRegister(m_reg_info.first_dr + 6, RegisterValue((uint64_t)0)); } -addr_t -RegisterContextPOSIXProcessMonitor_x86_64::GetWatchpointAddress(uint32_t hw_index) -{ - addr_t wp_monitor_addr = LLDB_INVALID_ADDRESS; +addr_t RegisterContextPOSIXProcessMonitor_x86_64::GetWatchpointAddress( + uint32_t hw_index) { + addr_t wp_monitor_addr = LLDB_INVALID_ADDRESS; - if (hw_index < NumSupportedHardwareWatchpoints()) - { - if (!IsWatchpointVacant(hw_index)) - { - RegisterValue value; + if (hw_index < NumSupportedHardwareWatchpoints()) { + if (!IsWatchpointVacant(hw_index)) { + RegisterValue value; - if (ReadRegister(m_reg_info.first_dr + hw_index, value)) - wp_monitor_addr = value.GetAsUInt64(); - } + if (ReadRegister(m_reg_info.first_dr + hw_index, value)) + wp_monitor_addr = value.GetAsUInt64(); } + } - return wp_monitor_addr; + return wp_monitor_addr; } -bool -RegisterContextPOSIXProcessMonitor_x86_64::IsWatchpointVacant(uint32_t hw_index) -{ - bool is_vacant = false; - RegisterValue value; +bool RegisterContextPOSIXProcessMonitor_x86_64::IsWatchpointVacant( + uint32_t hw_index) { + bool is_vacant = false; + RegisterValue value; - assert(hw_index < NumSupportedHardwareWatchpoints()); + assert(hw_index < NumSupportedHardwareWatchpoints()); - if (m_watchpoints_initialized == false) - { - // Reset the debug status and debug control registers - RegisterValue zero_bits = RegisterValue(uint64_t(0)); - if (!WriteRegister(m_reg_info.first_dr + 6, zero_bits) || !WriteRegister(m_reg_info.first_dr + 7, zero_bits)) - assert(false && "Could not initialize watchpoint registers"); - m_watchpoints_initialized = true; - } + if (m_watchpoints_initialized == false) { + // Reset the debug status and debug control registers + RegisterValue zero_bits = RegisterValue(uint64_t(0)); + if (!WriteRegister(m_reg_info.first_dr + 6, zero_bits) || + !WriteRegister(m_reg_info.first_dr + 7, zero_bits)) + assert(false && "Could not initialize watchpoint registers"); + m_watchpoints_initialized = true; + } - if (ReadRegister(m_reg_info.first_dr + 7, value)) - { - uint64_t val = value.GetAsUInt64(); - is_vacant = (val & (3 << 2*hw_index)) == 0; - } + if (ReadRegister(m_reg_info.first_dr + 7, value)) { + uint64_t val = value.GetAsUInt64(); + is_vacant = (val & (3 << 2 * hw_index)) == 0; + } - return is_vacant; + return is_vacant; } -bool -RegisterContextPOSIXProcessMonitor_x86_64::SetHardwareWatchpointWithIndex(addr_t addr, size_t size, - bool read, bool write, - uint32_t hw_index) -{ - const uint32_t num_hw_watchpoints = NumSupportedHardwareWatchpoints(); +bool RegisterContextPOSIXProcessMonitor_x86_64::SetHardwareWatchpointWithIndex( + addr_t addr, size_t size, bool read, bool write, uint32_t hw_index) { + const uint32_t num_hw_watchpoints = NumSupportedHardwareWatchpoints(); - if (num_hw_watchpoints == 0 || hw_index >= num_hw_watchpoints) - return false; + if (num_hw_watchpoints == 0 || hw_index >= num_hw_watchpoints) + return false; - if (!(size == 1 || size == 2 || size == 4 || size == 8)) - return false; + if (!(size == 1 || size == 2 || size == 4 || size == 8)) + return false; - if (read == false && write == false) - return false; + if (read == false && write == false) + return false; - if (!IsWatchpointVacant(hw_index)) - return false; + if (!IsWatchpointVacant(hw_index)) + return false; - // Set both dr7 (debug control register) and dri (debug address register). - - // dr7{7-0} encodes the local/global enable bits: - // global enable --. .-- local enable - // | | - // v v - // dr0 -> bits{1-0} - // dr1 -> bits{3-2} - // dr2 -> bits{5-4} - // dr3 -> bits{7-6} - // - // dr7{31-16} encodes the rw/len bits: - // b_x+3, b_x+2, b_x+1, b_x - // where bits{x+1, x} => rw - // 0b00: execute, 0b01: write, 0b11: read-or-write, - // 0b10: io read-or-write (unused) - // and bits{x+3, x+2} => len - // 0b00: 1-byte, 0b01: 2-byte, 0b11: 4-byte, 0b10: 8-byte - // - // dr0 -> bits{19-16} - // dr1 -> bits{23-20} - // dr2 -> bits{27-24} - // dr3 -> bits{31-28} - if (hw_index < num_hw_watchpoints) - { - RegisterValue current_dr7_bits; - - if (ReadRegister(m_reg_info.first_dr + 7, current_dr7_bits)) - { - uint64_t new_dr7_bits = current_dr7_bits.GetAsUInt64() | - (1 << (2*hw_index) | - size_and_rw_bits(size, read, write) << - (16+4*hw_index)); - - if (WriteRegister(m_reg_info.first_dr + hw_index, RegisterValue(addr)) && - WriteRegister(m_reg_info.first_dr + 7, RegisterValue(new_dr7_bits))) - return true; - } + // Set both dr7 (debug control register) and dri (debug address register). + + // dr7{7-0} encodes the local/global enable bits: + // global enable --. .-- local enable + // | | + // v v + // dr0 -> bits{1-0} + // dr1 -> bits{3-2} + // dr2 -> bits{5-4} + // dr3 -> bits{7-6} + // + // dr7{31-16} encodes the rw/len bits: + // b_x+3, b_x+2, b_x+1, b_x + // where bits{x+1, x} => rw + // 0b00: execute, 0b01: write, 0b11: read-or-write, + // 0b10: io read-or-write (unused) + // and bits{x+3, x+2} => len + // 0b00: 1-byte, 0b01: 2-byte, 0b11: 4-byte, 0b10: 8-byte + // + // dr0 -> bits{19-16} + // dr1 -> bits{23-20} + // dr2 -> bits{27-24} + // dr3 -> bits{31-28} + if (hw_index < num_hw_watchpoints) { + RegisterValue current_dr7_bits; + + if (ReadRegister(m_reg_info.first_dr + 7, current_dr7_bits)) { + uint64_t new_dr7_bits = + current_dr7_bits.GetAsUInt64() | + (1 << (2 * hw_index) | + size_and_rw_bits(size, read, write) << (16 + 4 * hw_index)); + + if (WriteRegister(m_reg_info.first_dr + hw_index, RegisterValue(addr)) && + WriteRegister(m_reg_info.first_dr + 7, RegisterValue(new_dr7_bits))) + return true; } + } - return false; + return false; } uint32_t -RegisterContextPOSIXProcessMonitor_x86_64::NumSupportedHardwareWatchpoints() -{ - // Available debug address registers: dr0, dr1, dr2, dr3 - return 4; +RegisterContextPOSIXProcessMonitor_x86_64::NumSupportedHardwareWatchpoints() { + // Available debug address registers: dr0, dr1, dr2, dr3 + return 4; } - diff --git a/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/RegisterContextPOSIXProcessMonitor_x86.h b/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/RegisterContextPOSIXProcessMonitor_x86.h index f55d917..57e2d00 100644 --- a/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/RegisterContextPOSIXProcessMonitor_x86.h +++ b/contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/RegisterContextPOSIXProcessMonitor_x86.h @@ -10,88 +10,71 @@ #ifndef liblldb_RegisterContextPOSIXProcessMonitor_x86_H_ #define liblldb_RegisterContextPOSIXProcessMonitor_x86_H_ -#include "RegisterContextPOSIX.h" #include "Plugins/Process/Utility/RegisterContextPOSIX_x86.h" +#include "RegisterContextPOSIX.h" -class RegisterContextPOSIXProcessMonitor_x86_64: - public RegisterContextPOSIX_x86, - public POSIXBreakpointProtocol -{ +class RegisterContextPOSIXProcessMonitor_x86_64 + : public RegisterContextPOSIX_x86, + public POSIXBreakpointProtocol { public: - RegisterContextPOSIXProcessMonitor_x86_64(lldb_private::Thread &thread, - uint32_t concrete_frame_idx, - lldb_private::RegisterInfoInterface *register_info); + RegisterContextPOSIXProcessMonitor_x86_64( + lldb_private::Thread &thread, uint32_t concrete_frame_idx, + lldb_private::RegisterInfoInterface *register_info); protected: - bool - ReadGPR(); + bool ReadGPR(); - bool - ReadFPR(); + bool ReadFPR(); - bool - WriteGPR(); + bool WriteGPR(); - bool - WriteFPR(); + bool WriteFPR(); - // lldb_private::RegisterContext - bool - ReadRegister(const unsigned reg, lldb_private::RegisterValue &value); + // lldb_private::RegisterContext + bool ReadRegister(const unsigned reg, lldb_private::RegisterValue &value); - bool - WriteRegister(const unsigned reg, const lldb_private::RegisterValue &value); + bool WriteRegister(const unsigned reg, + const lldb_private::RegisterValue &value); - bool - ReadRegister(const lldb_private::RegisterInfo *reg_info, lldb_private::RegisterValue &value); + bool ReadRegister(const lldb_private::RegisterInfo *reg_info, + lldb_private::RegisterValue &value); - bool - WriteRegister(const lldb_private::RegisterInfo *reg_info, const lldb_private::RegisterValue &value); + bool WriteRegister(const lldb_private::RegisterInfo *reg_info, + const lldb_private::RegisterValue &value); - bool - ReadAllRegisterValues(lldb::DataBufferSP &data_sp); + bool ReadAllRegisterValues(lldb::DataBufferSP &data_sp); - bool - WriteAllRegisterValues(const lldb::DataBufferSP &data_sp); + bool WriteAllRegisterValues(const lldb::DataBufferSP &data_sp); - uint32_t - SetHardwareWatchpoint(lldb::addr_t addr, size_t size, bool read, bool write); + uint32_t SetHardwareWatchpoint(lldb::addr_t addr, size_t size, bool read, + bool write); - bool - ClearHardwareWatchpoint(uint32_t hw_index); + bool ClearHardwareWatchpoint(uint32_t hw_index); - bool - HardwareSingleStep(bool enable); + bool HardwareSingleStep(bool enable); - // POSIXBreakpointProtocol - bool - UpdateAfterBreakpoint(); + // POSIXBreakpointProtocol + bool UpdateAfterBreakpoint(); - unsigned - GetRegisterIndexFromOffset(unsigned offset); + unsigned GetRegisterIndexFromOffset(unsigned offset); - bool - IsWatchpointHit(uint32_t hw_index); + bool IsWatchpointHit(uint32_t hw_index); - bool - ClearWatchpointHits(); + bool ClearWatchpointHits(); - lldb::addr_t - GetWatchpointAddress(uint32_t hw_index); + lldb::addr_t GetWatchpointAddress(uint32_t hw_index); - bool - IsWatchpointVacant(uint32_t hw_index); + bool IsWatchpointVacant(uint32_t hw_index); - bool - SetHardwareWatchpointWithIndex(lldb::addr_t addr, size_t size, bool read, bool write, uint32_t hw_index); + bool SetHardwareWatchpointWithIndex(lldb::addr_t addr, size_t size, bool read, + bool write, uint32_t hw_index); - uint32_t - NumSupportedHardwareWatchpoints(); + uint32_t NumSupportedHardwareWatchpoints(); private: - ProcessMonitor & - GetMonitor(); - uint32_t m_fctrl_offset_in_userarea; // Offset of 'fctrl' in 'UserArea' Structure + ProcessMonitor &GetMonitor(); + uint32_t + m_fctrl_offset_in_userarea; // Offset of 'fctrl' in 'UserArea' Structure }; #endif |
