1 gbacktrace.h

     1 /* GLIB - Library of useful routines for C programming

     2  * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald

     3  * Portions copyright (c) 2006 Nokia Corporation.  All rights reserved.

     4  *

     5  * This library is free software; you can redistribute it and/or

     6  * modify it under the terms of the GNU Lesser General Public

     7  * License as published by the Free Software Foundation; either

     8  * version 2 of the License, or (at your option) any later version.

     9  *

    10  * This library is distributed in the hope that it will be useful,

    11  * but WITHOUT ANY WARRANTY; without even the implied warranty of

    12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

    13  * Lesser General Public License for more details.

    14  *

    15  * You should have received a copy of the GNU Lesser General Public

    16  * License along with this library; if not, write to the

    17  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,

    18  * Boston, MA 02111-1307, USA.

    19  */

    20 

    21 /*

    22  * Modified by the GLib Team and others 1997-2000.  See the AUTHORS

    23  * file for a list of people on the GLib Team.  See the ChangeLog

    24  * files for a list of changes.  These files are distributed with

    25  * GLib at ftp://ftp.gtk.org/pub/gtk/. 

    26  */

    27 

    28 #ifndef __G_BACKTRACE_H__

    29 #define __G_BACKTRACE_H__

    30 

    31 #include <_ansi.h>

    32 #include <glib/gtypes.h>

    33 

    34 G_BEGIN_DECLS

    35 

    36 /* Fatal error handlers.

    37  * g_on_error_query() will prompt the user to either

    38  * [E]xit, [H]alt, [P]roceed or show [S]tack trace.

    39  * g_on_error_stack_trace() invokes gdb, which attaches to the current

    40  * process and shows a stack trace.

    41  * These function may cause different actions on non-unix platforms.

    42  * The prg_name arg is required by gdb to find the executable, if it is

    43  * passed as NULL, g_on_error_query() will try g_get_prgname().

    44  */

    45 IMPORT_C void g_on_error_query (const gchar *prg_name);

    46 IMPORT_C void g_on_error_stack_trace (const gchar *prg_name);

    47 

    48 /* Hacker macro to place breakpoints for selected machines.

    49  * Actual use is strongly discouraged of course ;)

    50  */

    51 #if (defined (__i386__) || defined (__x86_64__)) && defined (__GNUC__) && __GNUC__ >= 2

    52 #  define G_BREAKPOINT()	G_STMT_START{ __asm__ __volatile__ ("int $03"); }G_STMT_END

    53 #elif defined (_MSC_VER) && defined (_M_IX86)

    54 #  define G_BREAKPOINT()	G_STMT_START{ __asm int 3h }G_STMT_END

    55 #elif defined (__alpha__) && !defined(__osf__) && defined (__GNUC__) && __GNUC__ >= 2

    56 #  define G_BREAKPOINT()	G_STMT_START{ __asm__ __volatile__ ("bpt"); }G_STMT_END

    57 #else	/* !__i386__ && !__alpha__ */

    58 #  define G_BREAKPOINT()	G_STMT_START{ raise (SIGTRAP); }G_STMT_END

    59 #endif	/* __i386__ */

    60 

    61 #ifdef __SYMBIAN32__

    62 IMPORT_C volatile gboolean *_glib_on_error_halt();

    63 #endif /* SYMBAIN */

    64 

    65 G_END_DECLS

    66 

    67 #endif /* __G_BACKTRACE_H__ */