remove dead code
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Dennis Luxen
parent
cb6f4ad646
commit
203beff4d2
@ -1,160 +0,0 @@
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/*
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Copyright (c) 2013, Project OSRM, Dennis Luxen, others
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All rights reserved.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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Redistributions of source code must retain the above copyright notice, this list
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of conditions and the following disclaimer.
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Redistributions in binary form must reproduce the above copyright notice, this
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list of conditions and the following disclaimer in the documentation and/or
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other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef LINUXSTACKTRACE_H_
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#define LINUXSTACKTRACE_H_
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#include <string>
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#ifdef __linux__
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#include <cxxabi.h>
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#include <execinfo.h>
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#include <csignal>
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#include <cstdio>
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#include <cstdlib>
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#include <cstring>
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#include <sstream>
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std::string binaryName;
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std::string getFileAndLine (char * offset_end) {
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std::string a(offset_end);
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std::string result;
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a = a.substr(2,a.length()-3);
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static char buf[256];
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std::string command("/usr/bin/addr2line -C -e " + binaryName + " -f -i " + a);
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// prepare command to be executed
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// our program need to be passed after the -e parameter
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FILE* f = popen (command.c_str(), "r");
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if (f == NULL) {
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perror (buf);
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return "";
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}
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// get function name
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if ( NULL != fgets (buf, 256, f) ) {
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// get file and line
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if ( NULL != fgets (buf, 256, f) ) {
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if (buf[0] != '?') {
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result = ( buf);
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} else {
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result = "unkown";
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}
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} else { result = ""; }
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} else { result = ""; }
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pclose(f);
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return result;
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}
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void crashHandler(int sig_num, siginfo_t * info, void * ) {
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const size_t maxDepth = 100;
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//size_t stackDepth;
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void *stackAddrs[maxDepth];
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backtrace(stackAddrs, maxDepth);
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std::cerr << "signal " << sig_num << " (" << strsignal(sig_num) << "), address is " << info->si_addr << " from " << stackAddrs[0] << std::endl;
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void * array[50];
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int size = backtrace(array, 50);
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array[1] = stackAddrs[0];
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char ** messages = backtrace_symbols(array, size);
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// skip first stack frame (points here)
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for (int i = 1; i < size-1 && messages != NULL; ++i) {
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char *mangledname = 0, *offset_begin = 0, *offset_end = 0;
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// find parantheses and +address offset surrounding mangled name
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for (char *p = messages[i+1]; *p; ++p) {
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if (*p == '(') {
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mangledname = p;
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} else if (*p == '+') {
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offset_begin = p;
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} else if (*p == ')') {
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offset_end = p;
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break;
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}
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}
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// if the line could be processed, attempt to demangle the symbol
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if (mangledname && offset_begin && offset_end && mangledname < offset_begin) {
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*mangledname++ = '\0';
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*offset_begin++ = '\0';
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*offset_end++ = '\0';
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int status;
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char * real_name = abi::__cxa_demangle(mangledname, 0, 0, &status);
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// if demangling is successful, output the demangled function name
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if (status == 0) {
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std::cerr << "[bt]: (" << i << ") " << messages[i+1] << " : " << real_name << " " << getFileAndLine(offset_end);
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}
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// otherwise, output the mangled function name
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else {
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std::cerr << "[bt]: (" << i << ") " << messages[i+1] << " : "
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<< mangledname << "+" << offset_begin << offset_end
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<< std::endl;
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}
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free(real_name);
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}
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// otherwise, print the whole line
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else {
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std::cerr << "[bt]: (" << i << ") " << messages[i+1] << std::endl;
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}
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}
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std::cerr << std::endl;
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free(messages);
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exit(EXIT_FAILURE);
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}
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void installCrashHandler(std::string b) {
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binaryName = b;
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#ifndef NDEBUG
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struct sigaction sigact;
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sigemptyset(&sigact.sa_mask);
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sigact.sa_sigaction = crashHandler;
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sigact.sa_flags = SA_RESTART | SA_SIGINFO;
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if (sigaction(SIGSEGV, &sigact, (struct sigaction *)NULL) != 0) {
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std::cerr << "error setting signal handler for " << SIGSEGV << " " << strsignal(SIGSEGV) << std::endl;
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exit(EXIT_FAILURE);
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}
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#endif
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}
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#else
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inline void installCrashHandler(std::string ) {}
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#endif
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#endif /* LINUXSTACKTRACE_H_ */
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