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96 lines
2.2 KiB
C++
96 lines
2.2 KiB
C++
//
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// Created by koncord on 25.10.17.
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//
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#include "stacktrace.hpp"
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#include <components/openmw-mp/Log.hpp>
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#ifndef _WIN32
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#include <cxxabi.h>
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#include <execinfo.h>
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void stacktrace()
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{
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LOG_MESSAGE_SIMPLE(Log::LOG_FATAL, "Stacktrace:");
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void *array[50];
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int size = backtrace(array, 50);
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auto messages = backtrace_symbols(array, size);
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size_t funcnamesize = 256;
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auto funcname = (char *) malloc(funcnamesize);
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//skip first stack frame (points here)
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for (int i = 1; i < size && messages != nullptr; ++i)
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{
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char *beginName = nullptr, *beginOffset = nullptr, *endOffset = nullptr;
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for (char *p = messages[i]; *p; ++p)
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{
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if (*p == '(')
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beginName = p;
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else if (*p == '+')
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beginOffset = p;
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else if (*p == ')' && beginOffset)
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{
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endOffset = p;
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break;
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}
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}
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if (beginName && beginOffset && endOffset && beginName < beginOffset)
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{
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*beginName++ = '\0';
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*beginOffset++ = '\0';
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*endOffset = '\0';
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// mangled name is now in [beginName, beginOffset) and caller offset in [beginOffset, endOffset).
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int status;
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char *ret = abi::__cxa_demangle(beginName, funcname, &funcnamesize, &status);
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if (status == 0)
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{
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funcname = ret; // use possibly realloc()-ed string
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LOG_APPEND(Log::LOG_FATAL, "\t%s : %s+%s", messages[i], funcname, beginOffset);
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}
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else // demangling failed.
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LOG_APPEND(Log::LOG_FATAL, "\t%s : %s()+%s", messages[i], beginName, beginOffset);
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}
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else
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LOG_APPEND(Log::LOG_FATAL, "\t%s", messages[i]);
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}
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free(messages);
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free(funcname);
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}
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#else
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#include "stackwalker/StackWalker.h"
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class StackWalkerClr: public StackWalker
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{
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std::string out;
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virtual void OnOutput(LPCSTR szText)
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{
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out.append(szText);
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}
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public:
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std::string &getData()
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{
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ShowCallstack();
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return out;
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}
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};
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void stacktrace()
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{
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LOG_MESSAGE_SIMPLE(Log::LOG_FATAL, "Stacktrace:");
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StackWalkerClr swc;
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LOG_APPEND(Log::LOG_FATAL, swc.getData().c_str());
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}
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#endif
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