mirror of
https://github.com/wolfpld/tracy.git
synced 2024-11-10 10:41:50 +00:00
Symbol address decoding on unix.
This commit is contained in:
parent
4ddafdeeaf
commit
56dce646cc
@ -403,6 +403,85 @@ const char* DecodeCallstackPtrFast( uint64_t ptr )
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int SymbolAddressDataCb( void* data, uintptr_t pc, const char* fn, int lineno, const char* function )
|
||||
{
|
||||
auto& sym = *(SymbolData*)data;
|
||||
|
||||
enum { DemangleBufLen = 64*1024 };
|
||||
char demangled[DemangleBufLen];
|
||||
|
||||
if( !fn && !function )
|
||||
{
|
||||
const char* symname = nullptr;
|
||||
const char* symloc = nullptr;
|
||||
auto vptr = (void*)pc;
|
||||
|
||||
Dl_info dlinfo;
|
||||
if( dladdr( vptr, &dlinfo ) )
|
||||
{
|
||||
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]";
|
||||
|
||||
sym.name = CopyString( symname );
|
||||
sym.file = CopyString( symloc );
|
||||
sym.line = 0;
|
||||
}
|
||||
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.line = lineno;
|
||||
}
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
static void SymbolAddressErrorCb( void* data, const char* /*msg*/, int /*errnum*/ )
|
||||
{
|
||||
memset( data, 0, sizeof( SymbolData ) );
|
||||
}
|
||||
|
||||
SymbolData DecodeSymbolAddress( uint64_t ptr )
|
||||
{
|
||||
SymbolData sym;
|
||||
backtrace_pcinfo( cb_bts, ptr, SymbolAddressDataCb, SymbolAddressErrorCb, &sym );
|
||||
return sym;
|
||||
}
|
||||
|
||||
static int CallstackDataCb( void* /*data*/, uintptr_t pc, const char* fn, int lineno, const char* function )
|
||||
{
|
||||
enum { DemangleBufLen = 64*1024 };
|
||||
|
Loading…
Reference in New Issue
Block a user