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32 lines
1.4 KiB
C
32 lines
1.4 KiB
C
/* Copyright (C) 1999-2013 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Jakub Jelinek <jakub@redhat.com>, 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 Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the 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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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#define SIGCONTEXT struct sigcontext *
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#define SIGCONTEXT_EXTRA_ARGS
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#define GET_PC(__ctx) ((void *) ((__ctx)->si_regs.pc))
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#define FIRST_FRAME_POINTER \
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({ void *ret; \
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asm volatile ("ta 3; add %%fp, 56, %0" : "=r" (ret)); ret; })
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#define ADVANCE_STACK_FRAME(__next) \
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((void *) (((unsigned *)(__next))+14))
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#define GET_STACK(__ctx) ((void *) (__ctx)->si_regs.u_regs[14])
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#define GET_FRAME(__ctx) ADVANCE_STACK_FRAME (GET_STACK(__ctx))
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#define CALL_SIGHANDLER(handler, signo, ctx) \
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(handler)((signo), SIGCONTEXT_EXTRA_ARGS (ctx))
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