1
1
mirror of https://github.com/mawww/kakoune.git synced 2024-12-24 03:56:32 +03:00
kakoune/src/backtrace.cc

75 lines
1.8 KiB
C++
Raw Normal View History

#include "backtrace.hh"
2015-05-29 15:35:54 +03:00
#include "string.hh"
2015-11-05 19:59:29 +03:00
#if defined(__GLIBC__) || defined(__APPLE__)
# include <execinfo.h>
#elif defined(__CYGWIN__)
# include <windows.h>
# include <dbghelp.h>
2015-05-29 15:46:49 +03:00
# include <stdio.h>
#endif
2015-11-05 19:59:29 +03:00
#if defined(__linux__) || defined(__APPLE__)
# include <stdlib.h>
#endif
namespace Kakoune
{
Backtrace::Backtrace()
{
2015-11-05 19:59:29 +03:00
#if defined(__GLIBC__) || defined(__APPLE__)
num_frames = backtrace(stackframes, max_frames);
#elif defined(__CYGWIN__)
num_frames = CaptureStackBackTrace(0, max_frames, stackframes, nullptr);
#endif
}
2015-05-29 15:35:54 +03:00
String Backtrace::desc() const
{
2015-11-05 19:59:29 +03:00
#if defined(__GLIBC__) || defined(__APPLE__)
char** symbols = backtrace_symbols(stackframes, num_frames);
2015-05-29 15:35:54 +03:00
ByteCount size = 0;
for (int i = 0; i < num_frames; ++i)
2016-02-05 02:52:06 +03:00
size += strlen(symbols[i]) + 1;
2015-05-29 15:35:54 +03:00
String res; res.reserve(size);
for (int i = 0; i < num_frames; ++i)
{
2015-05-29 15:35:54 +03:00
res += symbols[i];
res += "\n";
}
free(symbols);
return res;
#elif defined(__CYGWIN__)
HANDLE process = GetCurrentProcess();
static bool symbols_initialized = false;
if (not symbols_initialized)
{
SymInitialize(process, nullptr, true);
symbols_initialized = true;
}
alignas(SYMBOL_INFO) char symbol_info_buffer[sizeof(SYMBOL_INFO) + 256];
SYMBOL_INFO* symbol_info = reinterpret_cast<SYMBOL_INFO*>(symbol_info_buffer);
symbol_info->MaxNameLen = 255;
symbol_info->SizeOfStruct = sizeof(SYMBOL_INFO);
String res; // res.reserve(num_frames * 276);
for (int i = 0; i < num_frames; ++i)
{
SymFromAddr(process, (DWORD64)stackframes[i], 0, symbol_info);
char desc[276];
snprintf(desc, 276, "0x%0llx (%s)\n", symbol_info->Address, symbol_info->Name);
res += desc;
}
return res;
#else
return "<not implemented>";
#endif
}
}