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-rw-r--r--source/Plugins/Process/gdb-remote/ProcessGDBRemoteLog.cpp221
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);
- }
-}