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 2.1 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, see <http://www.gnu.org/licenses/>. 16 */ 17 18 /* 19 * Modified by the GLib Team and others 1997-2000. See the AUTHORS 20 * file for a list of people on the GLib Team. See the ChangeLog 21 * files for a list of changes. These files are distributed with 22 * GLib at ftp://ftp.gtk.org/pub/gtk/. 23 */ 24 25 #ifndef __G_BACKTRACE_H__ 26 #define __G_BACKTRACE_H__ 27 28 #if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION) 29 #error "Only <glib.h> can be included directly." 30 #endif 31 32 #include <glib/gtypes.h> 33 #ifdef __sun__ 34 #include <sys/select.h> 35 #endif 36 #include <signal.h> 37 38 G_BEGIN_DECLS 39 40 GLIB_AVAILABLE_IN_ALL 41 void g_on_error_query (const gchar *prg_name); 42 GLIB_AVAILABLE_IN_ALL 43 void g_on_error_stack_trace (const gchar *prg_name); 44 45 /** 46 * G_BREAKPOINT: 47 * 48 * Inserts a breakpoint instruction into the code. 49 * 50 * On architectures which support it, this is implemented as a soft interrupt 51 * and on other architectures it raises a `SIGTRAP` signal. 52 * 53 * `SIGTRAP` is used rather than abort() to allow breakpoints to be skipped past 54 * in a debugger if they are not the desired target of debugging. 55 */ 56 #if (defined (__i386__) || defined (__x86_64__)) && defined (__GNUC__) && __GNUC__ >= 2 57 # define G_BREAKPOINT() G_STMT_START{ __asm__ __volatile__ ("int $03"); }G_STMT_END 58 #elif (defined (_MSC_VER) || defined (__DMC__)) && defined (_M_IX86) 59 # define G_BREAKPOINT() G_STMT_START{ __asm int 3h }G_STMT_END 60 #elif defined (_MSC_VER) 61 # define G_BREAKPOINT() G_STMT_START{ __debugbreak(); }G_STMT_END 62 #elif defined (__alpha__) && !defined(__osf__) && defined (__GNUC__) && __GNUC__ >= 2 63 # define G_BREAKPOINT() G_STMT_START{ __asm__ __volatile__ ("bpt"); }G_STMT_END 64 #elif defined (__APPLE__) || (defined(_WIN32) && (defined(__clang__) || defined(__GNUC__))) 65 # define G_BREAKPOINT() G_STMT_START{ __builtin_trap(); }G_STMT_END 66 #else /* !__i386__ && !__alpha__ */ 67 # define G_BREAKPOINT() G_STMT_START{ raise (SIGTRAP); }G_STMT_END 68 #endif /* __i386__ */ 69 70 G_END_DECLS 71 72 #endif /* __G_BACKTRACE_H__ */ 73