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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 "lldb/Interpreter/Args.h"
#include "lldb/Core/PluginManager.h"
#include "lldb/Core/StreamFile.h"
#include "SymbolFileDWARF.h"
using namespace lldb;
using namespace lldb_private;
// when the one and only logging channel is abled, 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 ();
}
const char *
LogChannelDWARF::GetPluginNameStatic()
{
return SymbolFileDWARF::GetPluginNameStatic();
}
const char *
LogChannelDWARF::GetPluginDescriptionStatic()
{
return "DWARF log channel for debugging plug-in issues.";
}
const char *
LogChannelDWARF::GetPluginName()
{
return GetPluginDescriptionStatic();
}
const char *
LogChannelDWARF::GetShortPluginName()
{
return GetPluginNameStatic();
}
uint32_t
LogChannelDWARF::GetPluginVersion()
{
return 1;
}
void
LogChannelDWARF::Delete ()
{
g_log_channel = NULL;
m_log_sp.reset();
}
void
LogChannelDWARF::Disable (const char **categories, Stream *feedback_strm)
{
if (!m_log_sp)
return;
g_log_channel = this;
uint32_t flag_bits = m_log_sp->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 (::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_sp->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 ();
m_log_sp.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 (::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_sp->GetMask().Reset(flag_bits);
m_log_sp->GetOptions().Reset(log_options);
return m_log_sp.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 if .debug_info\n"
" line - log the parsing if .debug_line\n"
" pubnames - log the parsing if .debug_pubnames\n"
" pubtypes - log the parsing if .debug_pubtypes\n"
" lookups - log any lookups that happen by name, regex, or address\n\n"
" completion - log struct/unions/class type completions\n\n"
" map - log insertions of object files into DWARF debug maps\n\n",
SymbolFileDWARF::GetPluginNameStatic());
}
LogSP
LogChannelDWARF::GetLog ()
{
if (g_log_channel)
return g_log_channel->m_log_sp;
return LogSP();
}
LogSP
LogChannelDWARF::GetLogIfAll (uint32_t mask)
{
if (g_log_channel && g_log_channel->m_log_sp)
{
if (g_log_channel->m_log_sp->GetMask().AllSet(mask))
return g_log_channel->m_log_sp;
}
return LogSP();
}
LogSP
LogChannelDWARF::GetLogIfAny (uint32_t mask)
{
if (g_log_channel && g_log_channel->m_log_sp)
{
if (g_log_channel->m_log_sp->GetMask().AnySet(mask))
return g_log_channel->m_log_sp;
}
return LogSP();
}
void
LogChannelDWARF::LogIf (uint32_t mask, const char *format, ...)
{
if (g_log_channel)
{
LogSP log_sp(g_log_channel->m_log_sp);
va_list args;
va_start (args, format);
log_sp->VAPrintf (format, args);
va_end (args);
}
}
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