Back to index

glibc  2.9
sigcontextinfo.h
Go to the documentation of this file.
00001 /* Copyright (C) 1999 Free Software Foundation, Inc.
00002    This file is part of the GNU C Library.
00003    Contributed by Jakub Jelinek <jj@ultra.linux.cz>, 1999.
00004 
00005    The GNU C Library is free software; you can redistribute it and/or
00006    modify it under the terms of the GNU Lesser General Public
00007    License as published by the Free Software Foundation; either
00008    version 2.1 of the License, or (at your option) any later version.
00009 
00010    The GNU C Library is distributed in the hope that it will be useful,
00011    but WITHOUT ANY WARRANTY; without even the implied warranty of
00012    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013    Lesser General Public License for more details.
00014 
00015    You should have received a copy of the GNU Lesser General Public
00016    License along with the GNU C Library; if not, write to the Free
00017    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00018    02111-1307 USA.  */
00019 
00020 #ifndef STACK_BIAS
00021 #define STACK_BIAS 2047
00022 #endif
00023 #define SIGCONTEXT struct sigcontext *
00024 #define SIGCONTEXT_EXTRA_ARGS
00025 #define GET_PC(__ctx)       ((void *) ((__ctx)->sigc_regs.tpc))
00026 #define ADVANCE_STACK_FRAME(__next) \
00027        ((void *) (((unsigned long *) (((unsigned long int) (__next))     \
00028                                       + STACK_BIAS))+14))
00029 #define GET_STACK(__ctx)    ((void *) ((__ctx)->sigc_regs.u_regs[14]))
00030 #define GET_FRAME(__ctx)    ADVANCE_STACK_FRAME (GET_STACK (__ctx))
00031 #define CALL_SIGHANDLER(handler, signo, ctx) \
00032   (handler)((signo), SIGCONTEXT_EXTRA_ARGS (ctx))