mirror of
https://github.com/wolfpld/tracy.git
synced 2024-11-10 10:41:50 +00:00
113 lines
2.4 KiB
C++
113 lines
2.4 KiB
C++
#ifndef __TRACYCALLSTACK_HPP__
|
|
#define __TRACYCALLSTACK_HPP__
|
|
|
|
#include "TracyCallstack.h"
|
|
|
|
#if TRACY_HAS_CALLSTACK == 1
|
|
extern "C"
|
|
{
|
|
typedef unsigned long (__stdcall *t_RtlWalkFrameChain)( void**, unsigned long, unsigned long );
|
|
extern t_RtlWalkFrameChain RtlWalkFrameChain;
|
|
}
|
|
#elif TRACY_HAS_CALLSTACK == 2 || TRACY_HAS_CALLSTACK == 5
|
|
# include <unwind.h>
|
|
#elif TRACY_HAS_CALLSTACK >= 3
|
|
# include <execinfo.h>
|
|
#endif
|
|
|
|
|
|
#ifdef TRACY_HAS_CALLSTACK
|
|
|
|
#include <assert.h>
|
|
#include <stdint.h>
|
|
|
|
#include "../common/TracyAlloc.hpp"
|
|
#include "../common/TracyForceInline.hpp"
|
|
|
|
namespace tracy
|
|
{
|
|
|
|
struct CallstackEntry
|
|
{
|
|
const char* name;
|
|
const char* file;
|
|
uint32_t line;
|
|
};
|
|
|
|
struct CallstackEntryData
|
|
{
|
|
const CallstackEntry* data;
|
|
uint8_t size;
|
|
};
|
|
|
|
const char* DecodeCallstackPtrFast( uint64_t ptr );
|
|
CallstackEntryData DecodeCallstackPtr( uint64_t ptr );
|
|
void InitCallstack();
|
|
|
|
#if TRACY_HAS_CALLSTACK == 1
|
|
|
|
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 = RtlWalkFrameChain( (void**)( trace + 1 ), depth, 0 );
|
|
*trace = num;
|
|
|
|
return trace;
|
|
}
|
|
|
|
#elif TRACY_HAS_CALLSTACK == 2 || TRACY_HAS_CALLSTACK == 5
|
|
|
|
struct BacktraceState
|
|
{
|
|
void** current;
|
|
void** end;
|
|
};
|
|
|
|
static _Unwind_Reason_Code tracy_unwind_callback( struct _Unwind_Context* ctx, void* arg )
|
|
{
|
|
auto state = (BacktraceState*)arg;
|
|
uintptr_t pc = _Unwind_GetIP( ctx );
|
|
if( pc )
|
|
{
|
|
if( state->current == state->end ) return _URC_END_OF_STACK;
|
|
*state->current++ = (void*)pc;
|
|
}
|
|
return _URC_NO_REASON;
|
|
}
|
|
|
|
static tracy_force_inline void* Callstack( int depth )
|
|
{
|
|
assert( depth >= 1 && depth < 63 );
|
|
|
|
auto trace = (uintptr_t*)tracy_malloc( ( 1 + depth ) * sizeof( uintptr_t ) );
|
|
BacktraceState state = { (void**)(trace+1), (void**)(trace+1+depth) };
|
|
_Unwind_Backtrace( tracy_unwind_callback, &state );
|
|
|
|
*trace = (uintptr_t*)state.current - trace + 1;
|
|
|
|
return trace;
|
|
}
|
|
|
|
#elif TRACY_HAS_CALLSTACK == 3 || TRACY_HAS_CALLSTACK == 4 || TRACY_HAS_CALLSTACK == 6
|
|
|
|
static tracy_force_inline void* Callstack( int depth )
|
|
{
|
|
assert( depth >= 1 );
|
|
|
|
auto trace = (uintptr_t*)tracy_malloc( ( 1 + depth ) * sizeof( uintptr_t ) );
|
|
const auto num = backtrace( (void**)(trace+1), depth );
|
|
*trace = num;
|
|
|
|
return trace;
|
|
}
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
#endif
|