/* Copyright (C) 1999, 2002 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Philip Blundell <philb@gnu.org>, 1999. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see <http://www.gnu.org/licenses/>. */ #include <bits/armsigctx.h> #include <linux/version.h> #define SIGCONTEXT int _a2, int _a3, int _a4, union k_sigcontext #define SIGCONTEXT_EXTRA_ARGS _a2, _a3, _a4, /* The sigcontext structure changed between 2.0 and 2.1 kernels. On any modern system we should be able to assume that the "new" format will be in use. */ #if LINUX_VERSION_CODE > 131328 #define GET_PC(ctx) ((void *) ctx.v21.arm_pc) #define GET_FRAME(ctx) ADVANCE_STACK_FRAME ((void *) ctx.v21.arm_fp) #define GET_STACK(ctx) ((void *) ctx.v21.arm_sp) #else #define GET_PC(ctx) ((void *)((ctx.v20.magic == SIGCONTEXT_2_0_MAGIC) ? \ ctx.v20.reg.ARM_pc : ctx.v21.arm_pc)) #define GET_FRAME(ctx) \ ADVANCE_STACK_FRAME((void *)((ctx.v20.magic == SIGCONTEXT_2_0_MAGIC) ? \ ctx.v20.reg.ARM_fp : ctx.v21.arm_fp)) #define GET_STACK(ctx) ((void *)((ctx.v20.magic == SIGCONTEXT_2_0_MAGIC) ? \ ctx.v20.reg.ARM_sp : ctx.v21.arm_sp)) #endif #define ADVANCE_STACK_FRAME(frm) \ ((struct layout *)frm - 1) #define CALL_SIGHANDLER(handler, signo, ctx) \ (handler)((signo), SIGCONTEXT_EXTRA_ARGS (ctx))