57 lines
1.2 KiB
C++
57 lines
1.2 KiB
C++
#include "backtrace.hh"
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#include <string.h>
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#include <stdlib.h>
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#if defined(__linux__) || defined(__APPLE__)
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# include <execinfo.h>
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#elif defined(__CYGWIN__)
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# include <windows.h>
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#endif
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namespace Kakoune
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{
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Backtrace::Backtrace()
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{
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#if defined(__linux__) || defined(__APPLE__)
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num_frames = backtrace(stackframes, max_frames);
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#elif defined(__CYGWIN__)
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num_frames = CaptureStackBackTrace(0, max_frames, stackframes, nullptr);
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#endif
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}
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char* Backtrace::desc() const
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{
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#if defined(__linux__) || defined(__APPLE__)
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char** symbols = backtrace_symbols(stackframes, num_frames);
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int size = 0;
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for (int i = 0; i < num_frames; ++i)
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size += strlen(symbols[i]) + 1;
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char* res = (char*)malloc(size+1);
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res[0] = 0;
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for (int i = 0; i < num_frames; ++i)
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{
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strcat(res, symbols[i]);
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strcat(res, "\n");
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}
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free(symbols);
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return res;
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#elif defined(__CYGWIN__)
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char* res = (char*)malloc(num_frames * 20);
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res[0] = 0;
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for (int i = 0; i < num_frames; ++i)
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{
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char addr[20];
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snprintf(addr, 20, "0x%p", stackframes[i]);
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strcat(res, addr);
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}
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return res;
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#else
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return "<not implemented>";
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#endif
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}
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}
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