glib-2.0/glib/gbacktrace.h

0001 /* GLIB - Library of useful routines for C programming
0002  * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
0003  *
0004  * SPDX-License-Identifier: LGPL-2.1-or-later
0005  *
0006  * This library is free software; you can redistribute it and/or
0007  * modify it under the terms of the GNU Lesser General Public
0008  * License as published by the Free Software Foundation; either
0009  * version 2.1 of the License, or (at your option) any later version.
0010  *
0011  * This library is distributed in the hope that it will be useful,
0012  * but WITHOUT ANY WARRANTY; without even the implied warranty of
0013  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
0014  * Lesser General Public License for more details.
0015  *
0016  * You should have received a copy of the GNU Lesser General Public
0017  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
0018  */
0019
0020 /*
0021  * Modified by the GLib Team and others 1997-2000.  See the AUTHORS
0022  * file for a list of people on the GLib Team.  See the ChangeLog
0023  * files for a list of changes.  These files are distributed with
0024  * GLib at ftp://ftp.gtk.org/pub/gtk/.
0025  */
0026
0027 #ifndef __G_BACKTRACE_H__
0028 #define __G_BACKTRACE_H__
0029
0030 #if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
0031 #error "Only <glib.h> can be included directly."
0032 #endif
0033
0034 #include <glib/gtypes.h>
0035 #ifdef __sun__
0036 #include <sys/select.h>
0037 #endif
0038 #include <signal.h>
0039
0040 G_BEGIN_DECLS
0041
0042 GLIB_AVAILABLE_IN_ALL
0043 void g_on_error_query (const gchar *prg_name);
0044 GLIB_AVAILABLE_IN_ALL
0045 void g_on_error_stack_trace (const gchar *prg_name);
0046
0047 /**
0048  * G_BREAKPOINT:
0049  *
0050  * Inserts a breakpoint instruction into the code.
0051  *
0052  * On architectures which support it, this is implemented as a soft interrupt
0053  * and on other architectures it raises a `SIGTRAP` signal.
0054  *
0055  * `SIGTRAP` is used rather than abort() to allow breakpoints to be skipped past
0056  * in a debugger if they are not the desired target of debugging.
0057  */
0058 #if (defined (__i386__) || defined (__x86_64__)) && defined (__GNUC__) && __GNUC__ >= 2
0059 #  define G_BREAKPOINT()        G_STMT_START{ __asm__ __volatile__ ("int $03"); }G_STMT_END
0060 #elif (defined (_MSC_VER) || defined (__DMC__)) && defined (_M_IX86)
0061 #  define G_BREAKPOINT()        G_STMT_START{ __asm int 3h }G_STMT_END
0062 #elif defined (_MSC_VER)
0063 #  define G_BREAKPOINT()        G_STMT_START{ __debugbreak(); }G_STMT_END
0064 #elif defined (__alpha__) && !defined(__osf__) && defined (__GNUC__) && __GNUC__ >= 2
0065 #  define G_BREAKPOINT()        G_STMT_START{ __asm__ __volatile__ ("bpt"); }G_STMT_END
0066 #elif defined (__APPLE__) || (defined(_WIN32) && (defined(__clang__) || defined(__GNUC__)))
0067 #  define G_BREAKPOINT()        G_STMT_START{ __builtin_trap(); }G_STMT_END
0068 #else   /* !__i386__ && !__alpha__ */
0069 #  define G_BREAKPOINT()        G_STMT_START{ raise (SIGTRAP); }G_STMT_END
0070 #endif  /* __i386__ */
0071
0072 G_END_DECLS
0073
0074 #endif /* __G_BACKTRACE_H__ */