diff options
Diffstat (limited to 'source/Plugins/Process/gdb-remote/ProcessGDBRemoteLog.cpp')
-rw-r--r-- | source/Plugins/Process/gdb-remote/ProcessGDBRemoteLog.cpp | 221 |
1 files changed, 24 insertions, 197 deletions
diff --git a/source/Plugins/Process/gdb-remote/ProcessGDBRemoteLog.cpp b/source/Plugins/Process/gdb-remote/ProcessGDBRemoteLog.cpp index 899037ae98aa4..8f16b83907cf6 100644 --- a/source/Plugins/Process/gdb-remote/ProcessGDBRemoteLog.cpp +++ b/source/Plugins/Process/gdb-remote/ProcessGDBRemoteLog.cpp @@ -8,210 +8,37 @@ //===----------------------------------------------------------------------===// #include "ProcessGDBRemoteLog.h" - -#include <mutex> - -#include "lldb/Core/StreamFile.h" -#include "lldb/Interpreter/Args.h" - #include "ProcessGDBRemote.h" +#include "llvm/Support/Threading.h" using namespace lldb; using namespace lldb_private; using namespace lldb_private::process_gdb_remote; -// 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; -} +static constexpr Log::Category g_categories[] = { + {{"async"}, {"log asynchronous activity"}, GDBR_LOG_ASYNC}, + {{"break"}, {"log breakpoints"}, GDBR_LOG_BREAKPOINTS}, + {{"comm"}, {"log communication activity"}, GDBR_LOG_COMM}, + {{"packets"}, {"log gdb remote packets"}, GDBR_LOG_PACKETS}, + {{"memory"}, {"log memory reads and writes"}, GDBR_LOG_MEMORY}, + {{"data-short"}, + {"log memory bytes for memory reads and writes for short transactions " + "only"}, + GDBR_LOG_MEMORY_DATA_SHORT}, + {{"data-long"}, + {"log memory bytes for memory reads and writes for all transactions"}, + GDBR_LOG_MEMORY_DATA_LONG}, + {{"process"}, {"log process events and activities"}, GDBR_LOG_PROCESS}, + {{"step"}, {"log step related activities"}, GDBR_LOG_STEP}, + {{"thread"}, {"log thread events and activities"}, GDBR_LOG_THREAD}, + {{"watch"}, {"log watchpoint related activities"}, GDBR_LOG_WATCHPOINTS}, +}; + +Log::Channel ProcessGDBRemoteLog::g_channel(g_categories, GDBR_LOG_DEFAULT); void ProcessGDBRemoteLog::Initialize() { - static ConstString g_name("gdb-remote"); - static std::once_flag g_once_flag; - - std::call_once(g_once_flag, []() { - Log::Callbacks log_callbacks = {DisableLog, EnableLog, ListLogCategories}; - - Log::RegisterLogChannel(g_name, log_callbacks); + static llvm::once_flag g_once_flag; + llvm::call_once(g_once_flag, []() { + Log::Register("gdb-remote", g_channel); }); } - -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 && categories[0]) { - 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); - } -} |