include/wx/unix/stackwalk.h

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/unix/stackwalk.h
   3 // Purpose:     declaration of wxStackWalker for Unix
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     2005-01-19
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2005 Vadim Zeitlin <vadim@wxwindows.org>
   9 // Licence:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_UNIX_STACKWALK_H_
  13 #define _WX_UNIX_STACKWALK_H_
  14
  15 // ----------------------------------------------------------------------------
  16 // wxStackFrame
  17 // ----------------------------------------------------------------------------
  18
  19 class WXDLLIMPEXP_BASE wxStackFrame : public wxStackFrameBase
  20 {
  21 public:
  22     // arguments are the stack depth of this frame, its address and the return
  23     // value of backtrace_symbols() for it
  24     //
  25     // NB: we don't copy syminfo pointer so it should have lifetime at least as
  26     //     long as ours
  27     wxStackFrame(size_t level, void *address, const char *syminfo)
  28         : wxStackFrameBase(level, address)
  29     {
  30         m_hasName =
  31         m_hasLocation = false;
  32
  33         m_syminfo = syminfo;
  34     }
  35
  36 protected:
  37     virtual void OnGetName();
  38     virtual void OnGetLocation();
  39
  40 private:
  41     const char *m_syminfo;
  42
  43     bool m_hasName,
  44          m_hasLocation;
  45 };
  46
  47 // ----------------------------------------------------------------------------
  48 // wxStackWalker
  49 // ----------------------------------------------------------------------------
  50
  51 class WXDLLIMPEXP_BASE wxStackWalker : public wxStackWalkerBase
  52 {
  53 public:
  54     // we need the full path to the program executable to be able to use
  55     // addr2line, normally we can retrieve it from wxTheApp but if wxTheApp
  56     // doesn't exist or doesn't have the correct value, the path may be given
  57     // explicitly
  58     wxStackWalker(const char *argv0 = NULL)
  59     {
  60         ms_exepath = wxString::FromAscii(argv0);
  61     }
  62
  63     virtual void Walk(size_t skip = 1);
  64     virtual void WalkFromException() { Walk(2); }
  65
  66     static const wxString& GetExePath() { return ms_exepath; }
  67
  68 private:
  69     static wxString ms_exepath;
  70 };
  71
  72 #endif // _WX_UNIX_STACKWALK_H_