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#ifndef __TRACYCALLSTACK_HPP__
#define __TRACYCALLSTACK_HPP__
#include "../common/TracyApi.h"
#include "TracyCallstack.h"
#if TRACY_HAS_CALLSTACK == 2 || TRACY_HAS_CALLSTACK == 5
# include <unwind.h>
#elif TRACY_HAS_CALLSTACK >= 3
# include <execinfo.h>
#endif
#ifdef TRACY_HAS_CALLSTACK
#ifdef TRACY_DEBUGINFOD
# include <elfutils/debuginfod.h>
#endif
#include <assert.h>
#include <stdint.h>
#include "../common/TracyAlloc.hpp"
#include "../common/TracyForceInline.hpp"
namespace tracy
{
struct CallstackSymbolData
{
const char* file;
uint32_t line;
bool needFree;
uint64_t symAddr;
};
struct CallstackEntry
{
const char* name;
const char* file;
uint32_t line;
uint32_t symLen;
uint64_t symAddr;
};
struct CallstackEntryData
{
const CallstackEntry* data;
uint8_t size;
const char* imageName;
};
CallstackSymbolData DecodeSymbolAddress( uint64_t ptr );
const char* DecodeCallstackPtrFast( uint64_t ptr );
CallstackEntryData DecodeCallstackPtr( uint64_t ptr );
void InitCallstack();
void InitCallstackCritical();
void EndCallstack();
const char* GetKernelModulePath( uint64_t addr );
#ifdef TRACY_DEBUGINFOD
const uint8_t* GetBuildIdForImage( const char* image, size_t& size );
debuginfod_client* GetDebuginfodClient();
#endif
#if TRACY_HAS_CALLSTACK == 1
extern "C"
{
typedef unsigned long (__stdcall *___tracy_t_RtlWalkFrameChain)( void**, unsigned long, unsigned long );
TRACY_API extern ___tracy_t_RtlWalkFrameChain ___tracy_RtlWalkFrameChain;
}
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 = ___tracy_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 + (size_t)depth ) * sizeof( uintptr_t ) );
const auto num = (size_t)backtrace( (void**)(trace+1), depth );
*trace = num;
return trace;
}
#endif
}
#endif
#endif
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