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//===-- LogChannelDWARF.cpp ------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "LogChannelDWARF.h"
#include "SymbolFileDWARF.h"
#include "lldb/Core/PluginManager.h"
#include "lldb/Core/StreamFile.h"
#include "lldb/Interpreter/Args.h"
using namespace lldb;
using namespace lldb_private;
// when the one and only logging channel is enabled, then this will be non NULL.
static LogChannelDWARF *g_log_channel = NULL;
LogChannelDWARF::LogChannelDWARF() : LogChannel() {}
LogChannelDWARF::~LogChannelDWARF() {}
void LogChannelDWARF::Initialize() {
PluginManager::RegisterPlugin(GetPluginNameStatic(),
GetPluginDescriptionStatic(),
LogChannelDWARF::CreateInstance);
}
void LogChannelDWARF::Terminate() {
PluginManager::UnregisterPlugin(LogChannelDWARF::CreateInstance);
}
LogChannel *LogChannelDWARF::CreateInstance() { return new LogChannelDWARF(); }
lldb_private::ConstString LogChannelDWARF::GetPluginNameStatic() {
return SymbolFileDWARF::GetPluginNameStatic();
}
const char *LogChannelDWARF::GetPluginDescriptionStatic() {
return "DWARF log channel for debugging plug-in issues.";
}
lldb_private::ConstString LogChannelDWARF::GetPluginName() {
return GetPluginNameStatic();
}
uint32_t LogChannelDWARF::GetPluginVersion() { return 1; }
void LogChannelDWARF::Delete() { g_log_channel = NULL; }
void LogChannelDWARF::Disable(const char **categories, Stream *feedback_strm) {
if (m_log_ap.get() == NULL)
return;
uint32_t flag_bits = m_log_ap->GetMask().Get();
for (size_t i = 0; categories[i] != NULL; ++i) {
const char *arg = categories[i];
if (::strcasecmp(arg, "all") == 0)
flag_bits &= ~DWARF_LOG_ALL;
else if (::strcasecmp(arg, "info") == 0)
flag_bits &= ~DWARF_LOG_DEBUG_INFO;
else if (::strcasecmp(arg, "line") == 0)
flag_bits &= ~DWARF_LOG_DEBUG_LINE;
else if (::strcasecmp(arg, "pubnames") == 0)
flag_bits &= ~DWARF_LOG_DEBUG_PUBNAMES;
else if (::strcasecmp(arg, "pubtypes") == 0)
flag_bits &= ~DWARF_LOG_DEBUG_PUBTYPES;
else if (::strcasecmp(arg, "aranges") == 0)
flag_bits &= ~DWARF_LOG_DEBUG_ARANGES;
else if (::strcasecmp(arg, "lookups") == 0)
flag_bits &= ~DWARF_LOG_LOOKUPS;
else if (::strcasecmp(arg, "map") == 0)
flag_bits &= ~DWARF_LOG_DEBUG_MAP;
else if (::strcasecmp(arg, "default") == 0)
flag_bits &= ~DWARF_LOG_DEFAULT;
else if (::strcasecmp(arg, "verbose") == 0)
flag_bits &= ~DWARF_LOG_VERBOSE;
else if (::strncasecmp(arg, "comp", 4) == 0)
flag_bits &= ~DWARF_LOG_TYPE_COMPLETION;
else {
feedback_strm->Printf("error: unrecognized log category '%s'\n", arg);
ListCategories(feedback_strm);
}
}
if (flag_bits == 0)
Delete();
else
m_log_ap->GetMask().Reset(flag_bits);
return;
}
bool LogChannelDWARF::Enable(
StreamSP &log_stream_sp, uint32_t log_options,
Stream *feedback_strm, // Feedback stream for argument errors etc
const char **categories // The categories to enable within this logging
// stream, if empty, enable default set
) {
Delete();
if (m_log_ap)
m_log_ap->SetStream(log_stream_sp);
else
m_log_ap.reset(new Log(log_stream_sp));
g_log_channel = this;
uint32_t flag_bits = 0;
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 |= DWARF_LOG_ALL;
else if (::strcasecmp(arg, "info") == 0)
flag_bits |= DWARF_LOG_DEBUG_INFO;
else if (::strcasecmp(arg, "line") == 0)
flag_bits |= DWARF_LOG_DEBUG_LINE;
else if (::strcasecmp(arg, "pubnames") == 0)
flag_bits |= DWARF_LOG_DEBUG_PUBNAMES;
else if (::strcasecmp(arg, "pubtypes") == 0)
flag_bits |= DWARF_LOG_DEBUG_PUBTYPES;
else if (::strcasecmp(arg, "aranges") == 0)
flag_bits |= DWARF_LOG_DEBUG_ARANGES;
else if (::strcasecmp(arg, "lookups") == 0)
flag_bits |= DWARF_LOG_LOOKUPS;
else if (::strcasecmp(arg, "map") == 0)
flag_bits |= DWARF_LOG_DEBUG_MAP;
else if (::strcasecmp(arg, "default") == 0)
flag_bits |= DWARF_LOG_DEFAULT;
else if (::strcasecmp(arg, "verbose") == 0)
flag_bits |= DWARF_LOG_VERBOSE;
else if (::strncasecmp(arg, "comp", 4) == 0)
flag_bits |= DWARF_LOG_TYPE_COMPLETION;
else {
feedback_strm->Printf("error: unrecognized log category '%s'\n", arg);
if (got_unknown_category == false) {
got_unknown_category = true;
ListCategories(feedback_strm);
}
}
}
if (flag_bits == 0)
flag_bits = DWARF_LOG_DEFAULT;
m_log_ap->GetMask().Reset(flag_bits);
m_log_ap->GetOptions().Reset(log_options);
return m_log_ap.get() != NULL;
}
void LogChannelDWARF::ListCategories(Stream *strm) {
strm->Printf(
"Logging categories for '%s':\n"
" all - turn on all available logging categories\n"
" info - log the parsing of .debug_info\n"
" line - log the parsing of .debug_line\n"
" pubnames - log the parsing of .debug_pubnames\n"
" pubtypes - log the parsing of .debug_pubtypes\n"
" aranges - log the parsing of .debug_aranges\n"
" lookups - log any lookups that happen by name, regex, or address\n"
" completion - log struct/unions/class type completions\n"
" map - log insertions of object files into DWARF debug maps\n",
SymbolFileDWARF::GetPluginNameStatic().GetCString());
}
Log *LogChannelDWARF::GetLog() {
if (g_log_channel)
return g_log_channel->m_log_ap.get();
return NULL;
}
Log *LogChannelDWARF::GetLogIfAll(uint32_t mask) {
if (g_log_channel && g_log_channel->m_log_ap.get()) {
if (g_log_channel->m_log_ap->GetMask().AllSet(mask))
return g_log_channel->m_log_ap.get();
}
return NULL;
}
Log *LogChannelDWARF::GetLogIfAny(uint32_t mask) {
if (g_log_channel && g_log_channel->m_log_ap.get()) {
if (g_log_channel->m_log_ap->GetMask().AnySet(mask))
return g_log_channel->m_log_ap.get();
}
return NULL;
}
void LogChannelDWARF::LogIf(uint32_t mask, const char *format, ...) {
if (g_log_channel) {
Log *log = g_log_channel->m_log_ap.get();
if (log && log->GetMask().AnySet(mask)) {
va_list args;
va_start(args, format);
log->VAPrintf(format, args);
va_end(args);
}
}
}
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