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Don't retrieve symbol name for address.

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This commit is contained in:
Bartosz Taudul 2020-02-27 12:58:01 +01:00
parent be5793987e
commit 2df6f9068a
3 changed files with 10 additions and 104 deletions
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106
client/TracyCallstack.cpp
View File

@ -234,20 +234,11 @@ static void GetModuleName( uint64_t addr, char* buf, ULONG& len )
SymbolData DecodeSymbolAddress( uint64_t ptr ) SymbolData DecodeSymbolAddress( uint64_t ptr )
{ {
SymbolData sym; SymbolData sym;
const auto proc = GetCurrentProcess();
char buf[sizeof( SYMBOL_INFO ) + MaxNameSize];
auto si = (SYMBOL_INFO*)buf;
si->SizeOfStruct = sizeof( SYMBOL_INFO );
si->MaxNameLen = MaxNameSize;
const auto symValid = SymFromAddr( proc, ptr, nullptr, si ) != 0;
IMAGEHLP_LINE64 line; IMAGEHLP_LINE64 line;
DWORD displacement = 0; DWORD displacement = 0;
line.SizeOfStruct = sizeof(IMAGEHLP_LINE64); line.SizeOfStruct = sizeof(IMAGEHLP_LINE64);
const char* filename; const char* filename;
if (SymGetLineFromAddr64(proc, ptr, &displacement, &line) == 0) if( SymGetLineFromAddr64( GetCurrentProcess(), ptr, &displacement, &line ) == 0 )
{ {
filename = "[unknown]"; filename = "[unknown]";
sym.line = 0; sym.line = 0;
@ -257,10 +248,7 @@ SymbolData DecodeSymbolAddress( uint64_t ptr )
filename = line.FileName; filename = line.FileName;
sym.line = line.LineNumber; sym.line = line.LineNumber;
} }
sym.name = symValid ? CopyString( si->Name, si->NameLen ) : CopyString( "[unknown]", 9 );
sym.file = CopyString( filename ); sym.file = CopyString( filename );
return sym; return sym;
} }
@ -406,63 +394,17 @@ const char* DecodeCallstackPtrFast( uint64_t ptr )
static int SymbolAddressDataCb( void* data, uintptr_t pc, const char* fn, int lineno, const char* function ) static int SymbolAddressDataCb( void* data, uintptr_t pc, const char* fn, int lineno, const char* function )
{ {
auto& sym = *(SymbolData*)data; auto& sym = *(SymbolData*)data;
if( !fn )
enum { DemangleBufLen = 64*1024 };
char demangled[DemangleBufLen];
if( !fn && !function )
{ {
const char* symname = nullptr;
const char* symloc = nullptr; const char* symloc = nullptr;
auto vptr = (void*)pc;
Dl_info dlinfo; Dl_info dlinfo;
if( dladdr( vptr, &dlinfo ) ) if( dladdr( (void*)ptr, &dlinfo ) ) symloc = dlinfo.dli_fname;
{
symloc = dlinfo.dli_fname;
symname = dlinfo.dli_sname;
if( symname && symname[0] == '_' )
{
size_t len = DemangleBufLen;
int status;
abi::__cxa_demangle( symname, demangled, &len, &status );
if( status == 0 )
{
symname = demangled;
}
}
}
if( !symname ) symname = "[unknown]";
if( !symloc ) symloc = "[unknown]"; if( !symloc ) symloc = "[unknown]";
sym.name = CopyString( symname );
sym.file = CopyString( symloc ); sym.file = CopyString( symloc );
sym.line = 0; sym.line = 0;
} }
else else
{ {
if( !fn ) fn = "[unknown]";
if( !function )
{
function = "[unknown]";
}
else
{
if( function[0] == '_' )
{
size_t len = DemangleBufLen;
int status;
abi::__cxa_demangle( function, demangled, &len, &status );
if( status == 0 )
{
function = demangled;
}
}
}
sym.name = CopyString( function );
sym.file = CopyString( fn ); sym.file = CopyString( fn );
sym.line = lineno; sym.line = lineno;
} }
@ -654,47 +596,11 @@ const char* DecodeCallstackPtrFast( uint64_t ptr )
SymbolData DecodeSymbolAddress( uint64_t ptr ) SymbolData DecodeSymbolAddress( uint64_t ptr )
{ {
SymbolData sym;
char* demangled = nullptr;
const char* symname = nullptr;
const char* symloc = nullptr; const char* symloc = nullptr;
auto vptr = (void*)ptr;
Dl_info dlinfo; Dl_info dlinfo;
if( dladdr( vptr, &dlinfo ) ) if( dladdr( (void*)ptr, &dlinfo ) ) symloc = dlinfo.dli_fname;
{ if( !symloc ) symloc = "[unknown]";
symloc = dlinfo.dli_fname; return SymbolData { CopyString( symloc ), 0 };
symname = dlinfo.dli_sname;
if( symname && symname[0] == '_' )
{
size_t len = 0;
int status;
demangled = abi::__cxa_demangle( symname, nullptr, &len, &status );
if( status == 0 )
{
symname = demangled;
}
}
}
if( !symname )
{
symname = "[unknown]";
}
if( !symloc )
{
symloc = "[unknown]";
}
sym.name = CopyString( symname );
sym.file = CopyString( symloc );
sym.line = 0;
if( demangled ) free( demangled );
return sym;
} }
CallstackEntryData DecodeCallstackPtr( uint64_t ptr ) CallstackEntryData DecodeCallstackPtr( uint64_t ptr )

6
client/TracyCallstack.hpp
View File

@ -24,13 +24,15 @@ namespace tracy
struct SymbolData struct SymbolData
{ {
const char* name;
const char* file; const char* file;
uint32_t line; uint32_t line;
}; };
struct CallstackEntry : public SymbolData struct CallstackEntry
{ {
const char* name;
const char* file;
uint32_t line;
uint64_t symAddr; uint64_t symAddr;
}; };

2
client/TracyProfiler.cpp
View File

@ -2686,7 +2686,6 @@ void Profiler::HandleSymbolQuery( uint64_t symbol )
const auto sym = DecodeSymbolAddress( symbol ); const auto sym = DecodeSymbolAddress( symbol );
SendString( uint64_t( sym.file ), sym.file, QueueType::CustomStringData ); SendString( uint64_t( sym.file ), sym.file, QueueType::CustomStringData );
SendString( uint64_t( sym.name ), sym.name, QueueType::CustomStringData );
QueueItem item; QueueItem item;
MemWrite( &item.hdr.type, QueueType::SymbolInformation ); MemWrite( &item.hdr.type, QueueType::SymbolInformation );
@ -2697,7 +2696,6 @@ void Profiler::HandleSymbolQuery( uint64_t symbol )
AppendData( &item, QueueDataSize[(int)QueueType::SymbolInformation] ); AppendData( &item, QueueDataSize[(int)QueueType::SymbolInformation] );
tracy_free( (void*)sym.file ); tracy_free( (void*)sym.file );
tracy_free( (void*)sym.name );
#endif #endif
} }