56 lines
1.2 KiB
C++
56 lines
1.2 KiB
C++
#include "backtrace.hh"
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#include "string.hh"
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#if defined(__linux__) || defined(__APPLE__)
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# include <execinfo.h>
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# include <stdlib.h>
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#elif defined(__CYGWIN__)
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# include <windows.h>
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# include <stdio.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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String 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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ByteCount size = 0;
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for (int i = 0; i < num_frames; ++i)
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size += StringView::strlen(symbols[i]) + 1;
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String res; res.reserve(size);
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for (int i = 0; i < num_frames; ++i)
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{
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res += symbols[i];
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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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String res; res.reserve(num_frames * 20);
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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\n", stackframes[i]);
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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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