tracy/client/TracyCallstack.hpp
2018-06-20 17:02:05 +02:00

57 lines
1.2 KiB
C++

#ifndef __TRACYCALLSTACK_HPP__
#define __TRACYCALLSTACK_HPP__
#if defined _WIN32 || defined __CYGWIN__
# define TRACY_HAS_CALLSTACK
# ifndef MAXLONG
# ifdef __CYGWIN__
extern "C" __declspec(dllimport) unsigned short __stdcall RtlCaptureStackBackTrace( unsigned int, unsigned int, void**, unsigned int* );
# else
extern "C" __declspec(dllimport) unsigned short __stdcall RtlCaptureStackBackTrace( unsigned long, unsigned long, void**, unsigned long* );
# endif
# endif
#endif
#ifdef TRACY_HAS_CALLSTACK
#include <assert.h>
#include <stdint.h>
#include <string.h>
#include "../common/TracyAlloc.hpp"
#include "../common/TracyForceInline.hpp"
namespace tracy
{
struct CallstackEntry
{
const char* name;
const char* file;
uint32_t line;
};
#if defined _WIN32 || defined __CYGWIN__
void InitCallstack();
CallstackEntry DecodeCallstackPtr( uint64_t ptr );
static tracy_force_inline void* Callstack( int depth )
{
assert( depth >= 1 && depth < 63 );
auto trace = (uintptr_t*)tracy_malloc( ( 1 + depth ) * sizeof( uintptr_t ) );
const auto num = RtlCaptureStackBackTrace( 0, depth, (void**)( trace+1 ), nullptr );
*trace = num;
return trace;
}
#endif
}
#endif
#endif