241 lines
8.9 KiB
C++
241 lines
8.9 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/lldb-private-log.h"
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// C Includes
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// C++ Includes
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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 LogSP &
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GetLog ()
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{
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static LogSP g_log_sp;
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return g_log_sp;
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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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LogSP 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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LogSP
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lldb_private::GetLogIfAllCategoriesSet (uint32_t mask)
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{
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LogSP 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 LogSP();
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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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LogSP 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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LogSP 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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LogSP
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lldb_private::GetLogIfAnyCategoriesSet (uint32_t mask)
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{
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LogSP log(GetLog ());
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if (log && mask && (mask & log->GetMask().Get()))
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return log;
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return LogSP();
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}
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void
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lldb_private::DisableLog (Args &args, Stream *feedback_strm)
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{
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LogSP 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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const size_t argc = args.GetArgumentCount ();
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if (argc > 0)
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{
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flag_bits = log->GetMask().Get();
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for (size_t i = 0; i < argc; ++i)
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{
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const char *arg = args.GetArgumentAtIndex (i);
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if (strcasecmp(arg, "all") == 0 ) flag_bits &= ~LIBLLDB_LOG_ALL;
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else if (strcasecmp(arg, "api") == 0) flag_bits &= ~LIBLLDB_LOG_API;
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else if (strcasestr(arg, "break") == arg) flag_bits &= ~LIBLLDB_LOG_BREAKPOINTS;
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else if (strcasecmp(arg, "default") == 0 ) flag_bits &= ~LIBLLDB_LOG_DEFAULT;
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else if (strcasecmp(arg, "dyld") == 0 ) flag_bits &= ~LIBLLDB_LOG_DYNAMIC_LOADER;
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else if (strcasestr(arg, "event") == arg) flag_bits &= ~LIBLLDB_LOG_EVENTS;
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else if (strcasestr(arg, "expr") == arg) flag_bits &= ~LIBLLDB_LOG_EXPRESSIONS;
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else if (strcasestr(arg, "object") == arg) flag_bits &= ~LIBLLDB_LOG_OBJECT;
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else if (strcasecmp(arg, "process") == 0 ) flag_bits &= ~LIBLLDB_LOG_PROCESS;
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else if (strcasecmp(arg, "script") == 0) flag_bits &= ~LIBLLDB_LOG_SCRIPT;
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else if (strcasecmp(arg, "state") == 0 ) flag_bits &= ~LIBLLDB_LOG_STATE;
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else if (strcasecmp(arg, "step") == 0 ) flag_bits &= ~LIBLLDB_LOG_STEP;
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else if (strcasecmp(arg, "thread") == 0 ) flag_bits &= ~LIBLLDB_LOG_THREAD;
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else if (strcasecmp(arg, "verbose") == 0 ) flag_bits &= ~LIBLLDB_LOG_VERBOSE;
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else if (strcasestr(arg, "watch") == arg) flag_bits &= ~LIBLLDB_LOG_WATCHPOINTS;
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else if (strcasestr(arg, "temp") == arg) flag_bits &= ~LIBLLDB_LOG_TEMPORARY;
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else if (strcasestr(arg, "comm") == arg) flag_bits &= ~LIBLLDB_LOG_COMMUNICATION;
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else if (strcasestr(arg, "conn") == arg) flag_bits &= ~LIBLLDB_LOG_CONNECTION;
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else if (strcasestr(arg, "host") == arg) flag_bits &= ~LIBLLDB_LOG_HOST;
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else if (strcasestr(arg, "unwind") == arg) flag_bits &= ~LIBLLDB_LOG_UNWIND;
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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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if (flag_bits == 0)
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GetLog ().reset();
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else
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log->GetMask().Reset (flag_bits);
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}
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return;
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}
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LogSP
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lldb_private::EnableLog (StreamSP &log_stream_sp, uint32_t log_options, Args &args, 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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LogSP log(GetLog ());
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if (log)
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flag_bits = 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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log = make_shared<Log>(log_stream_sp);
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GetLog () = log;
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}
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if (log)
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{
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bool got_unknown_category = false;
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const size_t argc = args.GetArgumentCount();
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for (size_t i=0; i<argc; ++i)
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{
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const char *arg = args.GetArgumentAtIndex(i);
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if (strcasecmp(arg, "all") == 0 ) flag_bits |= LIBLLDB_LOG_ALL;
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else if (strcasecmp(arg, "api") == 0) flag_bits |= LIBLLDB_LOG_API;
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else if (strcasestr(arg, "break") == arg) flag_bits |= LIBLLDB_LOG_BREAKPOINTS;
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else if (strcasecmp(arg, "default") == 0 ) flag_bits |= LIBLLDB_LOG_DEFAULT;
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else if (strcasecmp(arg, "dyld") == 0 ) flag_bits |= LIBLLDB_LOG_DYNAMIC_LOADER;
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else if (strcasestr(arg, "event") == arg) flag_bits |= LIBLLDB_LOG_EVENTS;
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else if (strcasestr(arg, "expr") == arg) flag_bits |= LIBLLDB_LOG_EXPRESSIONS;
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else if (strcasestr(arg, "object") == arg) flag_bits |= LIBLLDB_LOG_OBJECT;
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else if (strcasecmp(arg, "process") == 0 ) flag_bits |= LIBLLDB_LOG_PROCESS;
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else if (strcasecmp(arg, "script") == 0) flag_bits |= LIBLLDB_LOG_SCRIPT;
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else if (strcasecmp(arg, "state") == 0 ) flag_bits |= LIBLLDB_LOG_STATE;
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else if (strcasecmp(arg, "step") == 0 ) flag_bits |= LIBLLDB_LOG_STEP;
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else if (strcasecmp(arg, "thread") == 0 ) flag_bits |= LIBLLDB_LOG_THREAD;
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else if (strcasecmp(arg, "verbose") == 0 ) flag_bits |= LIBLLDB_LOG_VERBOSE;
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else if (strcasestr(arg, "watch") == arg) flag_bits |= LIBLLDB_LOG_WATCHPOINTS;
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else if (strcasestr(arg, "temp") == arg) flag_bits |= LIBLLDB_LOG_TEMPORARY;
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else if (strcasestr(arg, "comm") == arg) flag_bits |= LIBLLDB_LOG_COMMUNICATION;
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else if (strcasestr(arg, "conn") == arg) flag_bits |= LIBLLDB_LOG_CONNECTION;
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else if (strcasestr(arg, "host") == arg) flag_bits |= LIBLLDB_LOG_HOST;
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else if (strcasestr(arg, "unwind") == arg) flag_bits |= LIBLLDB_LOG_UNWIND;
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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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if (got_unknown_category == false)
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{
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got_unknown_category = true;
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ListLogCategories (feedback_strm);
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return log;
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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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log->GetOptions().Reset(log_options);
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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::ListLogCategories (Stream *strm)
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{
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strm->Printf("Logging categories for 'lldb':\n"
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"\tall - turn on all available logging categories\n"
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"\tapi - enable logging of API calls and return values\n"
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"\tdefault - enable the default set of logging categories for liblldb\n"
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"\tbreak - log breakpoints\n"
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"\tevents - log broadcaster, listener and event queue activities\n"
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"\texpr - log expressions\n"
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"\tobject - log object construction/destruction for important objects\n"
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"\tprocess - log process events and activities\n"
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"\tthread - log thread events and activities\n"
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"\tscript - log events about the script interpreter\n"
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"\tshlib - log shared library related activities\n"
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"\tstate - log private and public process state changes\n"
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"\tstep - log step related activities\n"
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"\tunwind - log stack unwind activities\n"
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"\tverbose - enable verbose loggging\n"
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"\twatch - log watchpoint related activities\n");
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}
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