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-rw-r--r--contrib/llvm/tools/lldb/source/Target/UnixSignals.cpp476
1 files changed, 209 insertions, 267 deletions
diff --git a/contrib/llvm/tools/lldb/source/Target/UnixSignals.cpp b/contrib/llvm/tools/lldb/source/Target/UnixSignals.cpp
index cf244ba..cee69bf 100644
--- a/contrib/llvm/tools/lldb/source/Target/UnixSignals.cpp
+++ b/contrib/llvm/tools/lldb/source/Target/UnixSignals.cpp
@@ -7,338 +7,280 @@
//
//===----------------------------------------------------------------------===//
-
// C Includes
// C++ Includes
// Other libraries and framework includes
// Project includes
#include "lldb/Target/UnixSignals.h"
-#include "lldb/Core/ArchSpec.h"
-#include "lldb/Host/StringConvert.h"
#include "Plugins/Process/Utility/FreeBSDSignals.h"
#include "Plugins/Process/Utility/LinuxSignals.h"
#include "Plugins/Process/Utility/MipsLinuxSignals.h"
#include "Plugins/Process/Utility/NetBSDSignals.h"
+#include "lldb/Core/ArchSpec.h"
+#include "lldb/Host/StringConvert.h"
using namespace lldb_private;
-UnixSignals::Signal::Signal(const char *name,
- bool default_suppress,
- bool default_stop,
- bool default_notify,
- const char *description,
- const char *alias) :
- m_name (name),
- m_alias (alias),
- m_description (),
- m_suppress (default_suppress),
- m_stop (default_stop),
- m_notify (default_notify)
-{
- if (description)
- m_description.assign (description);
+UnixSignals::Signal::Signal(const char *name, bool default_suppress,
+ bool default_stop, bool default_notify,
+ const char *description, const char *alias)
+ : m_name(name), m_alias(alias), m_description(),
+ m_suppress(default_suppress), m_stop(default_stop),
+ m_notify(default_notify) {
+ if (description)
+ m_description.assign(description);
}
-lldb::UnixSignalsSP
-UnixSignals::Create(const ArchSpec &arch)
-{
- const auto &triple = arch.GetTriple();
- switch (triple.getOS())
- {
- case llvm::Triple::Linux:
- {
- switch (triple.getArch())
- {
- case llvm::Triple::mips:
- case llvm::Triple::mipsel:
- case llvm::Triple::mips64:
- case llvm::Triple::mips64el:
- return std::make_shared<MipsLinuxSignals>();
- default:
- return std::make_shared<LinuxSignals>();
- }
- }
- case llvm::Triple::FreeBSD:
- case llvm::Triple::OpenBSD:
- return std::make_shared<FreeBSDSignals>();
- case llvm::Triple::NetBSD:
- return std::make_shared<NetBSDSignals>();
- default:
- return std::make_shared<UnixSignals>();
+lldb::UnixSignalsSP UnixSignals::Create(const ArchSpec &arch) {
+ const auto &triple = arch.GetTriple();
+ switch (triple.getOS()) {
+ case llvm::Triple::Linux: {
+ switch (triple.getArch()) {
+ case llvm::Triple::mips:
+ case llvm::Triple::mipsel:
+ case llvm::Triple::mips64:
+ case llvm::Triple::mips64el:
+ return std::make_shared<MipsLinuxSignals>();
+ default:
+ return std::make_shared<LinuxSignals>();
}
+ }
+ case llvm::Triple::FreeBSD:
+ case llvm::Triple::OpenBSD:
+ return std::make_shared<FreeBSDSignals>();
+ case llvm::Triple::NetBSD:
+ return std::make_shared<NetBSDSignals>();
+ default:
+ return std::make_shared<UnixSignals>();
+ }
}
//----------------------------------------------------------------------
// UnixSignals constructor
//----------------------------------------------------------------------
-UnixSignals::UnixSignals ()
-{
- Reset ();
-}
+UnixSignals::UnixSignals() { Reset(); }
-UnixSignals::UnixSignals(const UnixSignals &rhs)
- : m_signals(rhs.m_signals)
-{
-}
+UnixSignals::UnixSignals(const UnixSignals &rhs) : m_signals(rhs.m_signals) {}
UnixSignals::~UnixSignals() = default;
-void
-UnixSignals::Reset ()
-{
- // This builds one standard set of Unix Signals. If yours aren't quite in this
- // order, you can either subclass this class, and use Add & Remove to change them
- // or you can subclass and build them afresh in your constructor;
- m_signals.clear();
- // SIGNO NAME SUPPRESS STOP NOTIFY DESCRIPTION
- // ====== ============ ======== ====== ====== ===================================================
- AddSignal (1, "SIGHUP", false, true , true , "hangup");
- AddSignal (2, "SIGINT", true , true , true , "interrupt");
- AddSignal (3, "SIGQUIT", false, true , true , "quit");
- AddSignal (4, "SIGILL", false, true , true , "illegal instruction");
- AddSignal (5, "SIGTRAP", true , true , true , "trace trap (not reset when caught)");
- AddSignal (6, "SIGABRT", false, true , true , "abort()");
- AddSignal (7, "SIGEMT", false, true , true , "pollable event");
- AddSignal (8, "SIGFPE", false, true , true , "floating point exception");
- AddSignal (9, "SIGKILL", false, true , true , "kill");
- AddSignal (10, "SIGBUS", false, true , true , "bus error");
- AddSignal (11, "SIGSEGV", false, true , true , "segmentation violation");
- AddSignal (12, "SIGSYS", false, true , true , "bad argument to system call");
- AddSignal (13, "SIGPIPE", false, true , true , "write on a pipe with no one to read it");
- AddSignal (14, "SIGALRM", false, false, false, "alarm clock");
- AddSignal (15, "SIGTERM", false, true , true , "software termination signal from kill");
- AddSignal (16, "SIGURG", false, false, false, "urgent condition on IO channel");
- AddSignal (17, "SIGSTOP", true , true , true , "sendable stop signal not from tty");
- AddSignal (18, "SIGTSTP", false, true , true , "stop signal from tty");
- AddSignal (19, "SIGCONT", false, true , true , "continue a stopped process");
- AddSignal (20, "SIGCHLD", false, false, false, "to parent on child stop or exit");
- AddSignal (21, "SIGTTIN", false, true , true , "to readers process group upon background tty read");
- AddSignal (22, "SIGTTOU", false, true , true , "to readers process group upon background tty write");
- AddSignal (23, "SIGIO", false, false, false, "input/output possible signal");
- AddSignal (24, "SIGXCPU", false, true , true , "exceeded CPU time limit");
- AddSignal (25, "SIGXFSZ", false, true , true , "exceeded file size limit");
- AddSignal (26, "SIGVTALRM", false, false, false, "virtual time alarm");
- AddSignal (27, "SIGPROF", false, false, false, "profiling time alarm");
- AddSignal (28, "SIGWINCH", false, false, false, "window size changes");
- AddSignal (29, "SIGINFO", false, true , true , "information request");
- AddSignal (30, "SIGUSR1", false, true , true , "user defined signal 1");
- AddSignal (31, "SIGUSR2", false, true , true , "user defined signal 2");
+void UnixSignals::Reset() {
+ // This builds one standard set of Unix Signals. If yours aren't quite in
+ // this
+ // order, you can either subclass this class, and use Add & Remove to change
+ // them
+ // or you can subclass and build them afresh in your constructor;
+ //
+ // Note: the signals below are the Darwin signals. Do not change these!
+ m_signals.clear();
+ // SIGNO NAME SUPPRESS STOP NOTIFY DESCRIPTION
+ // ====== ============ ======== ====== ======
+ // ===================================================
+ AddSignal(1, "SIGHUP", false, true, true, "hangup");
+ AddSignal(2, "SIGINT", true, true, true, "interrupt");
+ AddSignal(3, "SIGQUIT", false, true, true, "quit");
+ AddSignal(4, "SIGILL", false, true, true, "illegal instruction");
+ AddSignal(5, "SIGTRAP", true, true, true,
+ "trace trap (not reset when caught)");
+ AddSignal(6, "SIGABRT", false, true, true, "abort()");
+ AddSignal(7, "SIGEMT", false, true, true, "pollable event");
+ AddSignal(8, "SIGFPE", false, true, true, "floating point exception");
+ AddSignal(9, "SIGKILL", false, true, true, "kill");
+ AddSignal(10, "SIGBUS", false, true, true, "bus error");
+ AddSignal(11, "SIGSEGV", false, true, true, "segmentation violation");
+ AddSignal(12, "SIGSYS", false, true, true, "bad argument to system call");
+ AddSignal(13, "SIGPIPE", false, true, true,
+ "write on a pipe with no one to read it");
+ AddSignal(14, "SIGALRM", false, false, false, "alarm clock");
+ AddSignal(15, "SIGTERM", false, true, true,
+ "software termination signal from kill");
+ AddSignal(16, "SIGURG", false, false, false,
+ "urgent condition on IO channel");
+ AddSignal(17, "SIGSTOP", true, true, true,
+ "sendable stop signal not from tty");
+ AddSignal(18, "SIGTSTP", false, true, true, "stop signal from tty");
+ AddSignal(19, "SIGCONT", false, true, true, "continue a stopped process");
+ AddSignal(20, "SIGCHLD", false, false, false,
+ "to parent on child stop or exit");
+ AddSignal(21, "SIGTTIN", false, true, true,
+ "to readers process group upon background tty read");
+ AddSignal(22, "SIGTTOU", false, true, true,
+ "to readers process group upon background tty write");
+ AddSignal(23, "SIGIO", false, false, false, "input/output possible signal");
+ AddSignal(24, "SIGXCPU", false, true, true, "exceeded CPU time limit");
+ AddSignal(25, "SIGXFSZ", false, true, true, "exceeded file size limit");
+ AddSignal(26, "SIGVTALRM", false, false, false, "virtual time alarm");
+ AddSignal(27, "SIGPROF", false, false, false, "profiling time alarm");
+ AddSignal(28, "SIGWINCH", false, false, false, "window size changes");
+ AddSignal(29, "SIGINFO", false, true, true, "information request");
+ AddSignal(30, "SIGUSR1", false, true, true, "user defined signal 1");
+ AddSignal(31, "SIGUSR2", false, true, true, "user defined signal 2");
}
-void
-UnixSignals::AddSignal(int signo,
- const char *name,
- bool default_suppress,
- bool default_stop,
- bool default_notify,
- const char *description,
- const char *alias)
-{
- Signal new_signal (name, default_suppress, default_stop, default_notify, description, alias);
- m_signals.insert (std::make_pair(signo, new_signal));
+void UnixSignals::AddSignal(int signo, const char *name, bool default_suppress,
+ bool default_stop, bool default_notify,
+ const char *description, const char *alias) {
+ Signal new_signal(name, default_suppress, default_stop, default_notify,
+ description, alias);
+ m_signals.insert(std::make_pair(signo, new_signal));
}
-void
-UnixSignals::RemoveSignal (int signo)
-{
- collection::iterator pos = m_signals.find (signo);
- if (pos != m_signals.end())
- m_signals.erase (pos);
+void UnixSignals::RemoveSignal(int signo) {
+ collection::iterator pos = m_signals.find(signo);
+ if (pos != m_signals.end())
+ m_signals.erase(pos);
}
-const char *
-UnixSignals::GetSignalAsCString (int signo) const
-{
- collection::const_iterator pos = m_signals.find (signo);
- if (pos == m_signals.end())
- return nullptr;
- else
- return pos->second.m_name.GetCString ();
+const char *UnixSignals::GetSignalAsCString(int signo) const {
+ collection::const_iterator pos = m_signals.find(signo);
+ if (pos == m_signals.end())
+ return nullptr;
+ else
+ return pos->second.m_name.GetCString();
}
-bool
-UnixSignals::SignalIsValid (int32_t signo) const
-{
- return m_signals.find (signo) != m_signals.end();
+bool UnixSignals::SignalIsValid(int32_t signo) const {
+ return m_signals.find(signo) != m_signals.end();
}
-ConstString
-UnixSignals::GetShortName(ConstString name) const
-{
- if (name)
- {
- const char* signame = name.AsCString();
- return ConstString(signame + 3); // Remove "SIG" from name
- }
- return name;
+ConstString UnixSignals::GetShortName(ConstString name) const {
+ if (name) {
+ const char *signame = name.AsCString();
+ return ConstString(signame + 3); // Remove "SIG" from name
+ }
+ return name;
}
-int32_t
-UnixSignals::GetSignalNumberFromName (const char *name) const
-{
- ConstString const_name (name);
+int32_t UnixSignals::GetSignalNumberFromName(const char *name) const {
+ ConstString const_name(name);
- collection::const_iterator pos, end = m_signals.end ();
- for (pos = m_signals.begin (); pos != end; pos++)
- {
- if ((const_name == pos->second.m_name) || (const_name == pos->second.m_alias) ||
- (const_name == GetShortName(pos->second.m_name)) || (const_name == GetShortName(pos->second.m_alias)))
- return pos->first;
- }
-
- const int32_t signo = StringConvert::ToSInt32(name, LLDB_INVALID_SIGNAL_NUMBER, 0);
- if (signo != LLDB_INVALID_SIGNAL_NUMBER)
- return signo;
- return LLDB_INVALID_SIGNAL_NUMBER;
+ collection::const_iterator pos, end = m_signals.end();
+ for (pos = m_signals.begin(); pos != end; pos++) {
+ if ((const_name == pos->second.m_name) ||
+ (const_name == pos->second.m_alias) ||
+ (const_name == GetShortName(pos->second.m_name)) ||
+ (const_name == GetShortName(pos->second.m_alias)))
+ return pos->first;
+ }
+
+ const int32_t signo =
+ StringConvert::ToSInt32(name, LLDB_INVALID_SIGNAL_NUMBER, 0);
+ if (signo != LLDB_INVALID_SIGNAL_NUMBER)
+ return signo;
+ return LLDB_INVALID_SIGNAL_NUMBER;
}
-int32_t
-UnixSignals::GetFirstSignalNumber () const
-{
- if (m_signals.empty())
- return LLDB_INVALID_SIGNAL_NUMBER;
+int32_t UnixSignals::GetFirstSignalNumber() const {
+ if (m_signals.empty())
+ return LLDB_INVALID_SIGNAL_NUMBER;
- return (*m_signals.begin ()).first;
+ return (*m_signals.begin()).first;
}
-int32_t
-UnixSignals::GetNextSignalNumber (int32_t current_signal) const
-{
- collection::const_iterator pos = m_signals.find (current_signal);
- collection::const_iterator end = m_signals.end();
+int32_t UnixSignals::GetNextSignalNumber(int32_t current_signal) const {
+ collection::const_iterator pos = m_signals.find(current_signal);
+ collection::const_iterator end = m_signals.end();
+ if (pos == end)
+ return LLDB_INVALID_SIGNAL_NUMBER;
+ else {
+ pos++;
if (pos == end)
- return LLDB_INVALID_SIGNAL_NUMBER;
+ return LLDB_INVALID_SIGNAL_NUMBER;
else
- {
- pos++;
- if (pos == end)
- return LLDB_INVALID_SIGNAL_NUMBER;
- else
- return pos->first;
- }
+ return pos->first;
+ }
}
-const char *
-UnixSignals::GetSignalInfo(int32_t signo,
- bool &should_suppress,
- bool &should_stop,
- bool &should_notify) const
-{
- collection::const_iterator pos = m_signals.find (signo);
- if (pos == m_signals.end())
- return nullptr;
- else
- {
- const Signal &signal = pos->second;
- should_suppress = signal.m_suppress;
- should_stop = signal.m_stop;
- should_notify = signal.m_notify;
- return signal.m_name.AsCString("");
- }
+const char *UnixSignals::GetSignalInfo(int32_t signo, bool &should_suppress,
+ bool &should_stop,
+ bool &should_notify) const {
+ collection::const_iterator pos = m_signals.find(signo);
+ if (pos == m_signals.end())
+ return nullptr;
+ else {
+ const Signal &signal = pos->second;
+ should_suppress = signal.m_suppress;
+ should_stop = signal.m_stop;
+ should_notify = signal.m_notify;
+ return signal.m_name.AsCString("");
+ }
}
-bool
-UnixSignals::GetShouldSuppress (int signo) const
-{
- collection::const_iterator pos = m_signals.find (signo);
- if (pos != m_signals.end())
- return pos->second.m_suppress;
- return false;
+bool UnixSignals::GetShouldSuppress(int signo) const {
+ collection::const_iterator pos = m_signals.find(signo);
+ if (pos != m_signals.end())
+ return pos->second.m_suppress;
+ return false;
}
-bool
-UnixSignals::SetShouldSuppress (int signo, bool value)
-{
- collection::iterator pos = m_signals.find (signo);
- if (pos != m_signals.end())
- {
- pos->second.m_suppress = value;
- return true;
- }
- return false;
+bool UnixSignals::SetShouldSuppress(int signo, bool value) {
+ collection::iterator pos = m_signals.find(signo);
+ if (pos != m_signals.end()) {
+ pos->second.m_suppress = value;
+ return true;
+ }
+ return false;
}
-bool
-UnixSignals::SetShouldSuppress (const char *signal_name, bool value)
-{
- const int32_t signo = GetSignalNumberFromName (signal_name);
- if (signo != LLDB_INVALID_SIGNAL_NUMBER)
- return SetShouldSuppress (signo, value);
- return false;
+bool UnixSignals::SetShouldSuppress(const char *signal_name, bool value) {
+ const int32_t signo = GetSignalNumberFromName(signal_name);
+ if (signo != LLDB_INVALID_SIGNAL_NUMBER)
+ return SetShouldSuppress(signo, value);
+ return false;
}
-bool
-UnixSignals::GetShouldStop (int signo) const
-{
- collection::const_iterator pos = m_signals.find (signo);
- if (pos != m_signals.end())
- return pos->second.m_stop;
- return false;
+bool UnixSignals::GetShouldStop(int signo) const {
+ collection::const_iterator pos = m_signals.find(signo);
+ if (pos != m_signals.end())
+ return pos->second.m_stop;
+ return false;
}
-bool
-UnixSignals::SetShouldStop (int signo, bool value)
-{
- collection::iterator pos = m_signals.find (signo);
- if (pos != m_signals.end())
- {
- pos->second.m_stop = value;
- return true;
- }
- return false;
+bool UnixSignals::SetShouldStop(int signo, bool value) {
+ collection::iterator pos = m_signals.find(signo);
+ if (pos != m_signals.end()) {
+ pos->second.m_stop = value;
+ return true;
+ }
+ return false;
}
-bool
-UnixSignals::SetShouldStop (const char *signal_name, bool value)
-{
- const int32_t signo = GetSignalNumberFromName (signal_name);
- if (signo != LLDB_INVALID_SIGNAL_NUMBER)
- return SetShouldStop (signo, value);
- return false;
+bool UnixSignals::SetShouldStop(const char *signal_name, bool value) {
+ const int32_t signo = GetSignalNumberFromName(signal_name);
+ if (signo != LLDB_INVALID_SIGNAL_NUMBER)
+ return SetShouldStop(signo, value);
+ return false;
}
-bool
-UnixSignals::GetShouldNotify (int signo) const
-{
- collection::const_iterator pos = m_signals.find (signo);
- if (pos != m_signals.end())
- return pos->second.m_notify;
- return false;
+bool UnixSignals::GetShouldNotify(int signo) const {
+ collection::const_iterator pos = m_signals.find(signo);
+ if (pos != m_signals.end())
+ return pos->second.m_notify;
+ return false;
}
-bool
-UnixSignals::SetShouldNotify (int signo, bool value)
-{
- collection::iterator pos = m_signals.find (signo);
- if (pos != m_signals.end())
- {
- pos->second.m_notify = value;
- return true;
- }
- return false;
+bool UnixSignals::SetShouldNotify(int signo, bool value) {
+ collection::iterator pos = m_signals.find(signo);
+ if (pos != m_signals.end()) {
+ pos->second.m_notify = value;
+ return true;
+ }
+ return false;
}
-bool
-UnixSignals::SetShouldNotify (const char *signal_name, bool value)
-{
- const int32_t signo = GetSignalNumberFromName (signal_name);
- if (signo != LLDB_INVALID_SIGNAL_NUMBER)
- return SetShouldNotify (signo, value);
- return false;
+bool UnixSignals::SetShouldNotify(const char *signal_name, bool value) {
+ const int32_t signo = GetSignalNumberFromName(signal_name);
+ if (signo != LLDB_INVALID_SIGNAL_NUMBER)
+ return SetShouldNotify(signo, value);
+ return false;
}
-int32_t
-UnixSignals::GetNumSignals() const
-{
- return m_signals.size();
-}
+int32_t UnixSignals::GetNumSignals() const { return m_signals.size(); }
-int32_t
-UnixSignals::GetSignalAtIndex(int32_t index) const
-{
- if (index < 0 || m_signals.size() <= static_cast<size_t>(index))
- return LLDB_INVALID_SIGNAL_NUMBER;
- auto it = m_signals.begin();
- std::advance(it, index);
- return it->first;
+int32_t UnixSignals::GetSignalAtIndex(int32_t index) const {
+ if (index < 0 || m_signals.size() <= static_cast<size_t>(index))
+ return LLDB_INVALID_SIGNAL_NUMBER;
+ auto it = m_signals.begin();
+ std::advance(it, index);
+ return it->first;
}
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