4 // Fraunhofer Institute for Open Communication Systems (FOKUS)
6 // The contents of this file are subject to the Fraunhofer FOKUS Public License
7 // Version 1.0 (the "License"); you may not use this file except in compliance
8 // with the License. You may obtain a copy of the License at
9 // http://senf.berlios.de/license.html
11 // The Fraunhofer FOKUS Public License Version 1.0 is based on,
12 // but modifies the Mozilla Public License Version 1.1.
13 // See the full license text for the amendments.
15 // Software distributed under the License is distributed on an "AS IS" basis,
16 // WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
17 // for the specific language governing rights and limitations under the License.
19 // The Original Code is Fraunhofer FOKUS code.
21 // The Initial Developer of the Original Code is Fraunhofer-Gesellschaft e.V.
22 // (registered association), Hansastraße 27 c, 80686 Munich, Germany.
23 // All Rights Reserved.
26 // Stefan Bund <g0dil@berlios.de>
29 \brief Backtrace non-inline non-template implementation */
31 #include "Backtrace.hh"
32 //#include "Backtrace.ih"
35 #include <senf/config.hh>
41 #include <boost/regex.hpp>
44 //#include "Backtrace.mpp"
46 //-/////////////////////////////////////////////////////////////////////////////////////////////////
48 prefix_ void senf::formatBacktrace(std::ostream & os, void ** backtrace, int numEntries)
51 char ** symbols (::backtrace_symbols(backtrace, numEntries));
52 if (symbols == NULL) {
53 os << "error on translating backtrace addresses with ::backtrace_symbols: " << std::strerror(errno);
57 static boost::regex const backtraceRx
58 ("(.*)\\((.*)\\+(0x[0-9a-f]+)\\) \\[(0x[0-9a-f]+)\\]");
64 for (int i=0; i<numEntries; ++i) {
65 std::string sym (symbols[i]);
67 if (regex_match(sym, match, backtraceRx)) {
68 std::string symbol (match[Symbol]);
70 char * demangled ( abi::__cxa_demangle(symbol.c_str(), 0, 0, &status) );
72 symbol = std::string(demangled);
75 os << " " << symbol << " + " << match[Offset]
76 << "\n in " << match[File] << " [" << match[Address] << "]\n";
78 else if (sym == "[0xffffe410]")
79 os << " __kernel_vsyscall [0xffffe410]\n";
80 else if (sym == "[0xffffe420]")
81 os << " __kernel_sigreturn [0xffffe410]\n";
82 else if (sym == "[0xffffe440]")
83 os << " __kernel_rt_sigreturn [0xffffe440]\n";
85 os << " " << sym << "\n";
90 os << "no backtrace available please compile SENF without final=1\n";
95 prefix_ void senf::backtrace(std::ostream & os, int numEntries)
98 SENF_SCOPED_BUFFER( void*, entries, numEntries);
99 int n ( ::backtrace(entries, numEntries) );
100 senf::formatBacktrace(os, entries, n);
104 //-/////////////////////////////////////////////////////////////////////////////////////////////////
106 //#include "Backtrace.mpp"
112 // comment-column: 40
113 // c-file-style: "senf"
114 // indent-tabs-mode: nil
115 // ispell-local-dictionary: "american"
116 // compile-command: "scons -u test"