Back to index

glibc  2.9
sigcontextinfo.h
Go to the documentation of this file.
00001 /* Copyright (C) 1999, 2000 Free Software Foundation, Inc.
00002    This file is part of the GNU C Library.
00003    Contributed by Jakub Jelinek <jakub@redhat.com>, 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 #define SIGCONTEXT struct sigcontext *
00021 #define SIGCONTEXT_EXTRA_ARGS
00022 #define GET_PC(__ctx)       ((void *) ((__ctx)->si_regs.pc))
00023 #define FIRST_FRAME_POINTER \
00024   ({ void *ret;                                                \
00025      asm volatile ("ta 3; add %%fp, 56, %0" : "=r" (ret)); ret; })
00026 #define ADVANCE_STACK_FRAME(__next) \
00027        ((void *) (((unsigned *)(__next))+14))
00028 
00029 #define GET_STACK(__ctx)    ((void *) (__ctx)->si_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))