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2000-01-05 Philip Blundell <philb@gnu.org> * sysdeps/arm/frame.h: New file. * sysdeps/generic/frame.h: Likewise. * sysdeps/generic/segfault.c (struct layout): Delete definition; include the above file instead. * sysdeps/generic/backtrace.c (struct layout): Likewise. (__backtrace): Use ADVANCE_STACK_FRAME. * sysdeps/unix/sysv/linux/arm/sigcontextinfo.h (ADVANCE_STACK_FRAME): New macro. (GET_FRAME): Apply above to returned value. * sysdeps/unix/sysv/linux/arm/bits/armsigctx.h: Add `fault_address'.
34 lines
1.5 KiB
C
34 lines
1.5 KiB
C
/* Copyright (C) 1999 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Philip Blundell <philb@gnu.org>, 1999.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <bits/armsigctx.h>
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#define SIGCONTEXT int _a2, int _a3, int _a4, union k_sigcontext
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#define SIGCONTEXT_EXTRA_ARGS _a2, _a3, _a4,
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#define GET_PC(ctx) ((void *)((ctx.v20.magic == SIGCONTEXT_2_0_MAGIC) ? \
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ctx.v20.reg.ARM_pc : ctx.v21.arm_pc))
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#define GET_FRAME(ctx) \
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ADVANCE_STACK_FRAME((void *)((ctx.v20.magic == SIGCONTEXT_2_0_MAGIC) ? \
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ctx.v20.reg.ARM_fp : ctx.v21.arm_fp))
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#define GET_STACK(ctx) ((void *)((ctx.v20.magic == SIGCONTEXT_2_0_MAGIC) ? \
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ctx.v20.reg.ARM_sp : ctx.v21.arm_sp))
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#define ADVANCE_STACK_FRAME(frm) \
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((struct layout *)frm - 1)
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