| //===-- 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); |
| } |
| } |
