source/debug/backtrace.cpp

   1 /* $Id$
   2
   3 This file is part of libmspcore
   4 Copyright © 2007 Mikko Rasa, Mikkosoft Productions
   5 Distributed under the LGPL
   6 */
   7 #include <execinfo.h>
   8 #include "backtrace.h"
   9
  10 using namespace std;
  11
  12 namespace Msp {
  13 namespace Debug {
  14
  15 Backtrace Backtrace::create()
  16 {
  17 #ifndef WIN32
  18         void *addresses[50];
  19         int count=::backtrace(addresses, 50);
  20
  21         char **symbols=backtrace_symbols(addresses, count);
  22
  23         Backtrace bt;
  24         for(int i=0; i<count; ++i)
  25                 bt.frames.push_back(StackFrame(addresses[i], symbols[i]));
  26
  27         free(symbols);
  28
  29         return bt;
  30 #else
  31         return Backtrace();
  32 #endif
  33 }
  34
  35 ostream &operator<<(ostream &out, const Backtrace &bt)
  36 {
  37         const Backtrace::FrameSeq &frames=bt.get_frames();
  38         for(Backtrace::FrameSeq::const_iterator i=frames.begin(); i!=frames.end(); ++i)
  39                 out<<i->address<<" in "<<i->symbol<<'\n';
  40
  41         return out;
  42 }
  43
  44 } // namespace Debug
  45 } // namespace Msp