forked from OSchip/llvm-project
278 lines
12 KiB
C++
278 lines
12 KiB
C++
//===-- lldb-log.cpp --------------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "lldb/Core/Logging.h"
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// C Includes
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// C++ Includes
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#include <atomic>
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// Other libraries and framework includes
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// Project includes
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#include "lldb/Interpreter/Args.h"
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#include "lldb/Core/Log.h"
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#include "lldb/Core/StreamFile.h"
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#include <string.h>
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using namespace lldb;
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using namespace lldb_private;
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// We want to avoid global constructors where code needs to be run so here we
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// control access to our static g_log_sp by hiding it in a singleton function
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// that will construct the static g_lob_sp the first time this function is
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// called.
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static std::atomic<bool> g_log_enabled {false};
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static Log * g_log = NULL;
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static Log *
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GetLog ()
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{
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if (!g_log_enabled)
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return NULL;
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return g_log;
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}
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uint32_t
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lldb_private::GetLogMask ()
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{
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Log *log(GetLog ());
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if (log)
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return log->GetMask().Get();
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return 0;
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}
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bool
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lldb_private::IsLogVerbose ()
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{
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uint32_t mask = GetLogMask();
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return (mask & LIBLLDB_LOG_VERBOSE);
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}
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Log *
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lldb_private::GetLogIfAllCategoriesSet (uint32_t mask)
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{
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Log *log(GetLog ());
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if (log && mask)
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{
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uint32_t log_mask = log->GetMask().Get();
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if ((log_mask & mask) != mask)
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return NULL;
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}
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return log;
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}
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void
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lldb_private::LogIfAllCategoriesSet (uint32_t mask, const char *format, ...)
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{
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Log *log(GetLogIfAllCategoriesSet (mask));
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if (log)
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{
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va_list args;
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va_start (args, format);
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log->VAPrintf (format, args);
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va_end (args);
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}
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}
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void
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lldb_private::LogIfAnyCategoriesSet (uint32_t mask, const char *format, ...)
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{
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Log *log(GetLogIfAnyCategoriesSet (mask));
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if (log)
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{
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va_list args;
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va_start (args, format);
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log->VAPrintf (format, args);
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va_end (args);
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}
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}
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Log *
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lldb_private::GetLogIfAnyCategoriesSet (uint32_t mask)
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{
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Log *log(GetLog ());
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if (log && mask && (mask & log->GetMask().Get()))
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return log;
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return NULL;
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}
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void
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lldb_private::DisableLog (const char **categories, Stream *feedback_strm)
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{
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Log *log(GetLog ());
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if (log)
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{
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uint32_t flag_bits = 0;
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if (categories[0] != NULL)
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{
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flag_bits = log->GetMask().Get();
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for (size_t i = 0; categories[i] != NULL; ++i)
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{
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const char *arg = categories[i];
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if (0 == ::strcasecmp(arg, "all")) flag_bits &= ~LIBLLDB_LOG_ALL;
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else if (0 == ::strcasecmp(arg, "api")) flag_bits &= ~LIBLLDB_LOG_API;
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else if (0 == ::strncasecmp(arg, "break", 5)) flag_bits &= ~LIBLLDB_LOG_BREAKPOINTS;
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else if (0 == ::strcasecmp(arg, "commands")) flag_bits &= ~LIBLLDB_LOG_COMMANDS;
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else if (0 == ::strcasecmp(arg, "default")) flag_bits &= ~LIBLLDB_LOG_DEFAULT;
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else if (0 == ::strcasecmp(arg, "dyld")) flag_bits &= ~LIBLLDB_LOG_DYNAMIC_LOADER;
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else if (0 == ::strncasecmp(arg, "event", 5)) flag_bits &= ~LIBLLDB_LOG_EVENTS;
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else if (0 == ::strncasecmp(arg, "expr", 4)) flag_bits &= ~LIBLLDB_LOG_EXPRESSIONS;
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else if (0 == ::strncasecmp(arg, "object", 6)) flag_bits &= ~LIBLLDB_LOG_OBJECT;
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else if (0 == ::strcasecmp(arg, "process")) flag_bits &= ~LIBLLDB_LOG_PROCESS;
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else if (0 == ::strcasecmp(arg, "platform")) flag_bits &= ~LIBLLDB_LOG_PLATFORM;
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else if (0 == ::strcasecmp(arg, "script")) flag_bits &= ~LIBLLDB_LOG_SCRIPT;
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else if (0 == ::strcasecmp(arg, "state")) flag_bits &= ~LIBLLDB_LOG_STATE;
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else if (0 == ::strcasecmp(arg, "step")) flag_bits &= ~LIBLLDB_LOG_STEP;
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else if (0 == ::strcasecmp(arg, "thread")) flag_bits &= ~LIBLLDB_LOG_THREAD;
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else if (0 == ::strcasecmp(arg, "target")) flag_bits &= ~LIBLLDB_LOG_TARGET;
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else if (0 == ::strcasecmp(arg, "verbose")) flag_bits &= ~LIBLLDB_LOG_VERBOSE;
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else if (0 == ::strncasecmp(arg, "watch", 5)) flag_bits &= ~LIBLLDB_LOG_WATCHPOINTS;
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else if (0 == ::strncasecmp(arg, "temp", 4)) flag_bits &= ~LIBLLDB_LOG_TEMPORARY;
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else if (0 == ::strncasecmp(arg, "comm", 4)) flag_bits &= ~LIBLLDB_LOG_COMMUNICATION;
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else if (0 == ::strncasecmp(arg, "conn", 4)) flag_bits &= ~LIBLLDB_LOG_CONNECTION;
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else if (0 == ::strncasecmp(arg, "host", 4)) flag_bits &= ~LIBLLDB_LOG_HOST;
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else if (0 == ::strncasecmp(arg, "unwind", 6)) flag_bits &= ~LIBLLDB_LOG_UNWIND;
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else if (0 == ::strncasecmp(arg, "types", 5)) flag_bits &= ~LIBLLDB_LOG_TYPES;
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else if (0 == ::strncasecmp(arg, "symbol", 6)) flag_bits &= ~LIBLLDB_LOG_SYMBOLS;
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else if (0 == ::strcasecmp(arg, "system-runtime")) flag_bits &= ~LIBLLDB_LOG_SYSTEM_RUNTIME;
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else if (0 == ::strncasecmp(arg, "module", 6)) flag_bits &= ~LIBLLDB_LOG_MODULES;
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else if (0 == ::strncasecmp(arg, "mmap", 4)) flag_bits &= ~LIBLLDB_LOG_MMAP;
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else if (0 == ::strcasecmp(arg, "os")) flag_bits &= ~LIBLLDB_LOG_OS;
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else if (0 == ::strcasecmp(arg, "jit")) flag_bits &= ~LIBLLDB_LOG_JIT_LOADER;
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else if (0 == ::strcasecmp(arg, "language")) flag_bits &= ~LIBLLDB_LOG_LANGUAGE;
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else
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{
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feedback_strm->Printf ("error: unrecognized log category '%s'\n", arg);
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ListLogCategories (feedback_strm);
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return;
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}
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}
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}
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log->GetMask().Reset (flag_bits);
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if (flag_bits == 0)
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{
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log->SetStream(lldb::StreamSP());
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g_log_enabled = false;
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}
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}
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return;
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}
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Log *
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lldb_private::EnableLog (StreamSP &log_stream_sp, uint32_t log_options, const char **categories, Stream *feedback_strm)
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{
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// Try see if there already is a log - that way we can reuse its settings.
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// We could reuse the log in toto, but we don't know that the stream is the same.
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uint32_t flag_bits;
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if (g_log)
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flag_bits = g_log->GetMask().Get();
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else
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flag_bits = 0;
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// Now make a new log with this stream if one was provided
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if (log_stream_sp)
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{
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if (g_log)
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g_log->SetStream(log_stream_sp);
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else
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g_log = new Log(log_stream_sp);
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}
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if (g_log)
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{
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for (size_t i=0; categories[i] != NULL; ++i)
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{
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const char *arg = categories[i];
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if (0 == ::strcasecmp(arg, "all")) flag_bits |= LIBLLDB_LOG_ALL;
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else if (0 == ::strcasecmp(arg, "api")) flag_bits |= LIBLLDB_LOG_API;
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else if (0 == ::strncasecmp(arg, "break", 5)) flag_bits |= LIBLLDB_LOG_BREAKPOINTS;
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else if (0 == ::strcasecmp(arg, "commands")) flag_bits |= LIBLLDB_LOG_COMMANDS;
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else if (0 == ::strncasecmp(arg, "commu", 5)) flag_bits |= LIBLLDB_LOG_COMMUNICATION;
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else if (0 == ::strncasecmp(arg, "conn", 4)) flag_bits |= LIBLLDB_LOG_CONNECTION;
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else if (0 == ::strcasecmp(arg, "default")) flag_bits |= LIBLLDB_LOG_DEFAULT;
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else if (0 == ::strcasecmp(arg, "dyld")) flag_bits |= LIBLLDB_LOG_DYNAMIC_LOADER;
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else if (0 == ::strncasecmp(arg, "event", 5)) flag_bits |= LIBLLDB_LOG_EVENTS;
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else if (0 == ::strncasecmp(arg, "expr", 4)) flag_bits |= LIBLLDB_LOG_EXPRESSIONS;
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else if (0 == ::strncasecmp(arg, "host", 4)) flag_bits |= LIBLLDB_LOG_HOST;
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else if (0 == ::strncasecmp(arg, "mmap", 4)) flag_bits |= LIBLLDB_LOG_MMAP;
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else if (0 == ::strncasecmp(arg, "module", 6)) flag_bits |= LIBLLDB_LOG_MODULES;
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else if (0 == ::strncasecmp(arg, "object", 6)) flag_bits |= LIBLLDB_LOG_OBJECT;
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else if (0 == ::strcasecmp(arg, "os")) flag_bits |= LIBLLDB_LOG_OS;
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else if (0 == ::strcasecmp(arg, "platform")) flag_bits |= LIBLLDB_LOG_PLATFORM;
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else if (0 == ::strcasecmp(arg, "process")) flag_bits |= LIBLLDB_LOG_PROCESS;
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else if (0 == ::strcasecmp(arg, "script")) flag_bits |= LIBLLDB_LOG_SCRIPT;
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else if (0 == ::strcasecmp(arg, "state")) flag_bits |= LIBLLDB_LOG_STATE;
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else if (0 == ::strcasecmp(arg, "step")) flag_bits |= LIBLLDB_LOG_STEP;
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else if (0 == ::strncasecmp(arg, "symbol", 6)) flag_bits |= LIBLLDB_LOG_SYMBOLS;
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else if (0 == ::strcasecmp(arg, "system-runtime")) flag_bits |= LIBLLDB_LOG_SYSTEM_RUNTIME;
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else if (0 == ::strcasecmp(arg, "target")) flag_bits |= LIBLLDB_LOG_TARGET;
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else if (0 == ::strncasecmp(arg, "temp", 4)) flag_bits |= LIBLLDB_LOG_TEMPORARY;
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else if (0 == ::strcasecmp(arg, "thread")) flag_bits |= LIBLLDB_LOG_THREAD;
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else if (0 == ::strncasecmp(arg, "types", 5)) flag_bits |= LIBLLDB_LOG_TYPES;
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else if (0 == ::strncasecmp(arg, "unwind", 6)) flag_bits |= LIBLLDB_LOG_UNWIND;
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else if (0 == ::strcasecmp(arg, "verbose")) flag_bits |= LIBLLDB_LOG_VERBOSE;
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else if (0 == ::strncasecmp(arg, "watch", 5)) flag_bits |= LIBLLDB_LOG_WATCHPOINTS;
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else if (0 == ::strcasecmp(arg, "jit")) flag_bits |= LIBLLDB_LOG_JIT_LOADER;
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else if (0 == ::strcasecmp(arg, "language")) flag_bits |= LIBLLDB_LOG_LANGUAGE;
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else
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{
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feedback_strm->Printf("error: unrecognized log category '%s'\n", arg);
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ListLogCategories (feedback_strm);
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return g_log;
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}
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}
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g_log->GetMask().Reset(flag_bits);
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g_log->GetOptions().Reset(log_options);
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}
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g_log_enabled = true;
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return g_log;
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}
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void
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lldb_private::ListLogCategories (Stream *strm)
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{
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strm->Printf("Logging categories for 'lldb':\n"
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" all - turn on all available logging categories\n"
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" api - enable logging of API calls and return values\n"
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" break - log breakpoints\n"
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" commands - log command argument parsing\n"
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" communication - log communication activities\n"
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" connection - log connection details\n"
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" default - enable the default set of logging categories for liblldb\n"
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" dyld - log shared library related activities\n"
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" events - log broadcaster, listener and event queue activities\n"
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" expr - log expressions\n"
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" host - log host activities\n"
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" jit - log JIT events in the target\n"
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" language - log language runtime events\n"
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" mmap - log mmap related activities\n"
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" module - log module activities such as when modules are created, destroyed, replaced, and more\n"
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" object - log object construction/destruction for important objects\n"
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" os - log OperatingSystem plugin related activities\n"
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" platform - log platform events and activities\n"
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" process - log process events and activities\n"
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" script - log events about the script interpreter\n"
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" state - log private and public process state changes\n"
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" step - log step related activities\n"
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" symbol - log symbol related issues and warnings\n"
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" system-runtime - log system runtime events\n"
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" target - log target events and activities\n"
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" thread - log thread events and activities\n"
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" types - log type system related activities\n"
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" unwind - log stack unwind activities\n"
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" verbose - enable verbose logging\n"
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" watch - log watchpoint related activities\n");
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}
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