summaryrefslogtreecommitdiffstats
path: root/contrib/llvm/tools/lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemoteLog.cpp
diff options
context:
space:
mode:
authoremaste <emaste@FreeBSD.org>2013-08-23 18:06:42 +0000
committeremaste <emaste@FreeBSD.org>2013-08-23 18:06:42 +0000
commit424d4dadd208e2a1e9a43c3d55f47f03ba0c4509 (patch)
tree05d762b98a499804ce690e6ce04033f1ddf4dee6 /contrib/llvm/tools/lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemoteLog.cpp
parentcde487f27a84e02a560384f75178fddca68740f6 (diff)
parentdcd15f81789e389c1cb27d264fcdddfd0a6002bd (diff)
downloadFreeBSD-src-424d4dadd208e2a1e9a43c3d55f47f03ba0c4509.zip
FreeBSD-src-424d4dadd208e2a1e9a43c3d55f47f03ba0c4509.tar.gz
Merge lldb r188801 to contrib/llvm/tools/lldb/
Diffstat (limited to 'contrib/llvm/tools/lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemoteLog.cpp')
-rw-r--r--contrib/llvm/tools/lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemoteLog.cpp196
1 files changed, 196 insertions, 0 deletions
diff --git a/contrib/llvm/tools/lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemoteLog.cpp b/contrib/llvm/tools/lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemoteLog.cpp
new file mode 100644
index 0000000..15b861f
--- /dev/null
+++ b/contrib/llvm/tools/lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemoteLog.cpp
@@ -0,0 +1,196 @@
+//===-- ProcessGDBRemoteLog.cpp ---------------------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "ProcessGDBRemoteLog.h"
+
+#include "lldb/Interpreter/Args.h"
+#include "lldb/Core/StreamFile.h"
+
+#include "ProcessGDBRemote.h"
+
+using namespace lldb;
+using namespace lldb_private;
+
+
+// We want to avoid global constructors where code needs to be run so here we
+// control access to our static g_log_sp by hiding it in a singleton function
+// that will construct the static g_lob_sp the first time this function is
+// called.
+static bool g_log_enabled = false;
+static Log * g_log = NULL;
+static Log *
+GetLog ()
+{
+ if (!g_log_enabled)
+ return NULL;
+ return g_log;
+}
+
+
+Log *
+ProcessGDBRemoteLog::GetLogIfAllCategoriesSet (uint32_t mask)
+{
+ Log *log(GetLog ());
+ if (log && mask)
+ {
+ uint32_t log_mask = log->GetMask().Get();
+ if ((log_mask & mask) != mask)
+ return NULL;
+ }
+ return log;
+}
+
+Log *
+ProcessGDBRemoteLog::GetLogIfAnyCategoryIsSet (uint32_t mask)
+{
+ Log *log(GetLog ());
+ if (log && log->GetMask().Get() & mask)
+ return log;
+ return NULL;
+}
+
+void
+ProcessGDBRemoteLog::DisableLog (const char **categories, Stream *feedback_strm)
+{
+ Log *log (GetLog ());
+ if (log)
+ {
+ uint32_t flag_bits = 0;
+
+ if (categories[0] != NULL)
+ {
+ flag_bits = log->GetMask().Get();
+ for (size_t i = 0; categories[i] != NULL; ++i)
+ {
+ const char *arg = categories[i];
+
+
+ if (::strcasecmp (arg, "all") == 0 ) flag_bits &= ~GDBR_LOG_ALL;
+ else if (::strcasecmp (arg, "async") == 0 ) flag_bits &= ~GDBR_LOG_ASYNC;
+ else if (::strncasecmp (arg, "break", 5) == 0 ) flag_bits &= ~GDBR_LOG_BREAKPOINTS;
+ else if (::strncasecmp (arg, "comm", 4) == 0 ) flag_bits &= ~GDBR_LOG_COMM;
+ else if (::strcasecmp (arg, "default") == 0 ) flag_bits &= ~GDBR_LOG_DEFAULT;
+ else if (::strcasecmp (arg, "packets") == 0 ) flag_bits &= ~GDBR_LOG_PACKETS;
+ else if (::strcasecmp (arg, "memory") == 0 ) flag_bits &= ~GDBR_LOG_MEMORY;
+ else if (::strcasecmp (arg, "data-short") == 0 ) flag_bits &= ~GDBR_LOG_MEMORY_DATA_SHORT;
+ else if (::strcasecmp (arg, "data-long") == 0 ) flag_bits &= ~GDBR_LOG_MEMORY_DATA_LONG;
+ else if (::strcasecmp (arg, "process") == 0 ) flag_bits &= ~GDBR_LOG_PROCESS;
+ else if (::strcasecmp (arg, "step") == 0 ) flag_bits &= ~GDBR_LOG_STEP;
+ else if (::strcasecmp (arg, "thread") == 0 ) flag_bits &= ~GDBR_LOG_THREAD;
+ else if (::strcasecmp (arg, "verbose") == 0 ) flag_bits &= ~GDBR_LOG_VERBOSE;
+ else if (::strncasecmp (arg, "watch", 5) == 0 ) flag_bits &= ~GDBR_LOG_WATCHPOINTS;
+ else
+ {
+ feedback_strm->Printf("error: unrecognized log category '%s'\n", arg);
+ ListLogCategories (feedback_strm);
+ }
+
+ }
+ }
+
+ if (flag_bits == 0)
+ g_log_enabled = false;
+ else
+ log->GetMask().Reset (flag_bits);
+ }
+
+ return;
+}
+
+Log *
+ProcessGDBRemoteLog::EnableLog (StreamSP &log_stream_sp, uint32_t log_options, const char **categories, Stream *feedback_strm)
+{
+ // Try see if there already is a log - that way we can reuse its settings.
+ // We could reuse the log in toto, but we don't know that the stream is the same.
+ uint32_t flag_bits = 0;
+ if (g_log)
+ flag_bits = g_log->GetMask().Get();
+
+ // Now make a new log with this stream if one was provided
+ if (log_stream_sp)
+ {
+ if (g_log)
+ g_log->SetStream(log_stream_sp);
+ else
+ g_log = new Log(log_stream_sp);
+ }
+
+ if (g_log)
+ {
+ bool got_unknown_category = false;
+ for (size_t i=0; categories[i] != NULL; ++i)
+ {
+ const char *arg = categories[i];
+
+ if (::strcasecmp (arg, "all") == 0 ) flag_bits |= GDBR_LOG_ALL;
+ else if (::strcasecmp (arg, "async") == 0 ) flag_bits |= GDBR_LOG_ASYNC;
+ else if (::strncasecmp (arg, "break", 5) == 0 ) flag_bits |= GDBR_LOG_BREAKPOINTS;
+ else if (::strncasecmp (arg, "comm", 4) == 0 ) flag_bits |= GDBR_LOG_COMM;
+ else if (::strcasecmp (arg, "default") == 0 ) flag_bits |= GDBR_LOG_DEFAULT;
+ else if (::strcasecmp (arg, "packets") == 0 ) flag_bits |= GDBR_LOG_PACKETS;
+ else if (::strcasecmp (arg, "memory") == 0 ) flag_bits |= GDBR_LOG_MEMORY;
+ else if (::strcasecmp (arg, "data-short") == 0 ) flag_bits |= GDBR_LOG_MEMORY_DATA_SHORT;
+ else if (::strcasecmp (arg, "data-long") == 0 ) flag_bits |= GDBR_LOG_MEMORY_DATA_LONG;
+ else if (::strcasecmp (arg, "process") == 0 ) flag_bits |= GDBR_LOG_PROCESS;
+ else if (::strcasecmp (arg, "step") == 0 ) flag_bits |= GDBR_LOG_STEP;
+ else if (::strcasecmp (arg, "thread") == 0 ) flag_bits |= GDBR_LOG_THREAD;
+ else if (::strcasecmp (arg, "verbose") == 0 ) flag_bits |= GDBR_LOG_VERBOSE;
+ else if (::strncasecmp (arg, "watch", 5) == 0 ) flag_bits |= GDBR_LOG_WATCHPOINTS;
+ else
+ {
+ feedback_strm->Printf("error: unrecognized log category '%s'\n", arg);
+ if (got_unknown_category == false)
+ {
+ got_unknown_category = true;
+ ListLogCategories (feedback_strm);
+ }
+ }
+ }
+ if (flag_bits == 0)
+ flag_bits = GDBR_LOG_DEFAULT;
+ g_log->GetMask().Reset(flag_bits);
+ g_log->GetOptions().Reset(log_options);
+ }
+ g_log_enabled = true;
+ return g_log;
+}
+
+void
+ProcessGDBRemoteLog::ListLogCategories (Stream *strm)
+{
+ strm->Printf ("Logging categories for '%s':\n"
+ " all - turn on all available logging categories\n"
+ " async - log asynchronous activity\n"
+ " break - log breakpoints\n"
+ " communication - log communication activity\n"
+ " default - enable the default set of logging categories for liblldb\n"
+ " packets - log gdb remote packets\n"
+ " memory - log memory reads and writes\n"
+ " data-short - log memory bytes for memory reads and writes for short transactions only\n"
+ " data-long - log memory bytes for memory reads and writes for all transactions\n"
+ " process - log process events and activities\n"
+ " thread - log thread events and activities\n"
+ " step - log step related activities\n"
+ " verbose - enable verbose logging\n"
+ " watch - log watchpoint related activities\n", ProcessGDBRemote::GetPluginNameStatic().GetCString());
+}
+
+
+void
+ProcessGDBRemoteLog::LogIf (uint32_t mask, const char *format, ...)
+{
+ Log *log (ProcessGDBRemoteLog::GetLogIfAllCategoriesSet (mask));
+ if (log)
+ {
+ va_list args;
+ va_start (args, format);
+ log->VAPrintf (format, args);
+ va_end (args);
+ }
+}
OpenPOWER on IntegriCloud