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- /* 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))
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