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