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/**
*
* This file is part of Tulip (www.tulip-software.org)
*
* Authors: David Auber and the Tulip development Team
* from LaBRI, University of Bordeaux 1 and Inria Bordeaux - Sud Ouest
*
* Tulip is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation, either version 3
* of the License, or (at your option) any later version.
*
* Tulip is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details.
*
*/
#include <tulip/SystemDefinition.h>
#include <tulip/TulipRelease.h>
#include <iostream>
#include <cstring>
#include "CrashHandling.h"
#include "StackWalker.h"
using namespace std;
/*
Linux/MacOS-specific handling
*/
#if defined(__unix__) || defined(__APPLE__)
# if defined(__i386__) || defined(__amd64__)
#include "UnixSignalInterposer.h"
#if defined(__APPLE__)
#include <sys/ucontext.h>
#else
// This structure mirrors the one found in /usr/include/asm/ucontext.h
typedef struct _sig_ucontext {
unsigned long uc_flags;
struct ucontext *uc_link;
stack_t uc_stack;
struct sigcontext uc_mcontext;
sigset_t uc_sigmask;
} sig_ucontext_t;
#endif
void dumpStack(int sig, siginfo_t *, void * ucontext) {
// Get the address at the time the signal was raised from the EIP (x86) or RIP (x86_64)
#ifndef __APPLE__
sig_ucontext_t * uc = reinterpret_cast<sig_ucontext_t *>(ucontext);
#ifdef I64
void *callerAddress = reinterpret_cast<void *>(uc->uc_mcontext.rip); // x86_64 specific;
#else
void *callerAddress = reinterpret_cast<void *>(uc->uc_mcontext.eip); // x86 specific;
#endif
#else
ucontext_t * uc = reinterpret_cast<ucontext_t *>(ucontext);
#ifndef I64
void *callerAddress = reinterpret_cast<void *>(uc->uc_mcontext->__ss.__eip);
#else
void *callerAddress = reinterpret_cast<void *>(uc->uc_mcontext->__ss.__rip);
#endif
#endif
std::cerr << TLP_PLATEFORM_HEADER << " " << OS_PLATFORM << std::endl
<< TLP_ARCH_HEADER << " " << OS_ARCHITECTURE << std::endl
<< TLP_COMPILER_HEADER << " " << OS_COMPILER << std::endl
<< TLP_VERSION_HEADER << " " << TULIP_RELEASE << std::endl;
std::cerr << "Caught signal " << sig << " (" << strsignal(sig) << ")" << std::endl;
std::cerr << TLP_STACK_BEGIN_HEADER << std::endl;
StackWalkerGCC sw;
sw.setCallerAddress(callerAddress);
sw.printCallStackToStdErr();
std::cerr << TLP_STACK_END_HEADER << std::endl;
std::cerr << std::flush;
installSignalHandler(sig, SIG_DFL);
}
extern void installSignalHandlers(void);
void start_crash_handler() {
installSignalHandler(SIGSEGV, &dumpStack);
installSignalHandler(SIGABRT, &dumpStack);
installSignalHandler(SIGFPE, &dumpStack);
installSignalHandler(SIGILL, &dumpStack);
installSignalHandler(SIGBUS, &dumpStack);
}
# else
// architecture not supported
void start_crash_handler() {}
# endif
/*
MinGW-specific handling
*/
#elif defined(__MINGW32__)
static LONG WINAPI
exception_filter(LPEXCEPTION_POINTERS info) {
StackWalkerMinGW sw;
sw.setContext(info->ContextRecord);
std::cerr << TLP_PLATEFORM_HEADER << " " << OS_PLATFORM << std::endl
<< TLP_ARCH_HEADER << " " << OS_ARCHITECTURE << std::endl
<< TLP_COMPILER_HEADER << " " << OS_COMPILER << std::endl
<< TLP_VERSION_HEADER << " " << TULIP_RELEASE << std::endl;
std::cerr << TLP_STACK_BEGIN_HEADER << std::endl;
sw.printCallStackToStdErr();
std::cerr << TLP_STACK_END_HEADER << std::endl;
std::cerr << std::flush;
return 1;
}
void start_crash_handler() {
SetUnhandledExceptionFilter(exception_filter);
}
#elif defined(_MSC_VER)
static LONG WINAPI
exception_filter(LPEXCEPTION_POINTERS info) {
StackWalkerMSVC sw;
sw.setContext(info->ContextRecord);
std::cerr << TLP_PLATEFORM_HEADER << " " << OS_PLATFORM << std::endl
<< TLP_ARCH_HEADER << " " << OS_ARCHITECTURE << std::endl
<< TLP_COMPILER_HEADER << " " << OS_COMPILER << std::endl
<< TLP_VERSION_HEADER << " " << TULIP_RELEASE << std::endl;
std::cerr << TLP_STACK_BEGIN_HEADER << std::endl;
sw.printCallStackToStdErr();
std::cerr << TLP_STACK_END_HEADER << std::endl;
std::cerr << std::flush;
return 1;
}
void start_crash_handler() {
SetUnhandledExceptionFilter(exception_filter);
}
#endif
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