gbacktrace.h

   1 /* GLIB - Library of useful routines for C programming
   2  * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the
  16  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17  * Boston, MA 02111-1307, USA.
  18  */
  19
  20 /*
  21  * Modified by the GLib Team and others 1997-2000.  See the AUTHORS
  22  * file for a list of people on the GLib Team.  See the ChangeLog
  23  * files for a list of changes.  These files are distributed with
  24  * GLib at ftp://ftp.gtk.org/pub/gtk/.
  25  */
  26
  27 #ifndef __G_BACKTRACE_H__
  28 #define __G_BACKTRACE_H__
  29
  30 #include <gtypes.h>
  31
  32 G_BEGIN_DECLS
  33
  34 /* Fatal error handlers.
  35  * g_on_error_query() will prompt the user to either
  36  * [E]xit, [H]alt, [P]roceed or show [S]tack trace.
  37  * g_on_error_stack_trace() invokes gdb, which attaches to the current
  38  * process and shows a stack trace.
  39  * These function may cause different actions on non-unix platforms.
  40  * The prg_name arg is required by gdb to find the executable, if it is
  41  * passed as NULL, g_on_error_query() will try g_get_prgname().
  42  */
  43 void g_on_error_query (const gchar *prg_name);
  44 void g_on_error_stack_trace (const gchar *prg_name);
  45
  46 /* Hacker macro to place breakpoints for elected machines.
  47  * Actual use is strongly deprecated of course ;)
  48  */
  49 #if defined (__i386__) && defined (__GNUC__) && __GNUC__ >= 2
  50 #  define G_BREAKPOINT()        G_STMT_START{ __asm__ __volatile__ ("int $03"); }G_STMT_END
  51 #elif defined (_MSC_VER) && defined (_M_IX86)
  52 #  define G_BREAKPOINT()        G_STMT_START{ __asm int 3h }G_STMT_END
  53 #elif defined (__alpha__) && defined (__GNUC__) && __GNUC__ >= 2
  54 #  define G_BREAKPOINT()        G_STMT_START{ __asm__ __volatile__ ("bpt"); }G_STMT_END
  55 #else   /* !__i386__ && !__alpha__ */
  56 #  define G_BREAKPOINT()        G_STMT_START{ raise (5 /* SIGTRAP */); }G_STMT_END
  57 #endif  /* __i386__ */
  58
  59 G_END_DECLS
  60
  61 #endif /* __G_BACKTRACE_H__ */