mirror of
https://github.com/wolfpld/tracy.git
synced 2024-11-10 10:41:50 +00:00
102 lines
2.5 KiB
C++
102 lines
2.5 KiB
C++
#include "TracyCallstack.hpp"
|
|
|
|
#ifdef TRACY_HAS_CALLSTACK
|
|
|
|
#if defined _WIN32 || defined __CYGWIN__
|
|
# ifndef MAXLONG
|
|
enum { SYMOPT_LOAD_LINES = 0x00000010 };
|
|
typedef struct _SYMBOL_INFO
|
|
{
|
|
unsigned long SizeOfStruct;
|
|
unsigned long TypeIndex;
|
|
unsigned long long Reserved[2];
|
|
unsigned long Index;
|
|
unsigned long Size;
|
|
unsigned long long ModBase;
|
|
unsigned long Flags;
|
|
unsigned long long Value;
|
|
unsigned long long Address;
|
|
unsigned long Register;
|
|
unsigned long Scope;
|
|
unsigned long Tag;
|
|
unsigned long NameLen;
|
|
unsigned long MaxNameLen;
|
|
char Name[1];
|
|
} SYMBOL_INFO;
|
|
typedef struct _IMAGEHLP_LINE64
|
|
{
|
|
unsigned long SizeOfStruct;
|
|
void* Key;
|
|
unsigned LineNumber;
|
|
char* FileName;
|
|
unsigned long long Address;
|
|
} IMAGEHLP_LINE64;
|
|
extern "C" __declspec(dllimport) void* __stdcall GetCurrentProcess();
|
|
extern "C" __declspec(dllimport) int __stdcall SymInitialize( void*, const char*, int );
|
|
extern "C" __declspec(dllimport) unsigned long __stdcall SymSetOptions( unsigned long );
|
|
extern "C" __declspec(dllimport) int __stdcall SymFromAddr( void*, unsigned long long, unsigned long long*, SYMBOL_INFO* );
|
|
extern "C" __declspec(dllimport) int __stdcall SymGetLineFromAddr64( void*, unsigned long long, unsigned long*, IMAGEHLP_LINE64* );
|
|
# else
|
|
# include <dbghelp.h>
|
|
# endif
|
|
#endif
|
|
|
|
namespace tracy
|
|
{
|
|
|
|
void InitCallstack()
|
|
{
|
|
SymInitialize( GetCurrentProcess(), nullptr, true );
|
|
SymSetOptions( SYMOPT_LOAD_LINES );
|
|
}
|
|
|
|
CallstackEntry DecodeCallstackPtr( uint64_t ptr )
|
|
{
|
|
CallstackEntry ret;
|
|
|
|
const auto proc = GetCurrentProcess();
|
|
|
|
char buf[sizeof( SYMBOL_INFO ) + 255];
|
|
auto si = (SYMBOL_INFO*)buf;
|
|
si->SizeOfStruct = sizeof( SYMBOL_INFO );
|
|
si->MaxNameLen = 255;
|
|
|
|
if( SymFromAddr( proc, ptr, nullptr, si ) == 0 )
|
|
{
|
|
memcpy( si->Name, "[unknown]", 10 );
|
|
si->NameLen = 9;
|
|
}
|
|
|
|
auto name = (char*)tracy_malloc( si->NameLen + 1 );
|
|
memcpy( name, si->Name, si->NameLen );
|
|
name[si->NameLen] = '\0';
|
|
|
|
ret.name = name;
|
|
|
|
IMAGEHLP_LINE64 line;
|
|
unsigned long displacement = 0;
|
|
line.SizeOfStruct = sizeof( IMAGEHLP_LINE64 );
|
|
if( SymGetLineFromAddr64( proc, ptr, &displacement, &line ) == 0 )
|
|
{
|
|
line.FileName = "[unknown]";
|
|
ret.line = 0;
|
|
}
|
|
else
|
|
{
|
|
ret.line = line.LineNumber;
|
|
}
|
|
|
|
const auto fsz = strlen( line.FileName );
|
|
auto file = (char*)tracy_malloc( fsz + 1 );
|
|
memcpy( file, line.FileName, fsz );
|
|
file[fsz] = '\0';
|
|
|
|
ret.file = file;
|
|
|
|
return ret;
|
|
}
|
|
|
|
}
|
|
|
|
#endif
|