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51 lines
2.1 KiB
C
51 lines
2.1 KiB
C
/* Copyright (C) 1998-2016 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
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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.eip)
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#define GET_FRAME(ctx) ((void *) ctx.ebp)
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#define GET_STACK(ctx) ((void *) ctx.esp_at_signal)
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#define CALL_SIGHANDLER(handler, signo, ctx) \
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do { \
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int __tmp1, __tmp2, __tmp3, __tmp4; \
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__asm __volatile ("movl\t%%esp, %%edi\n\t" \
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"andl\t$-16, %%esp\n\t" \
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"subl\t%8, %%esp\n\t" \
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"movl\t%%edi, %c8-4(%%esp)\n\t" \
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"movl\t%1, 0(%%esp)\n\t" \
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"leal\t4(%%esp), %%edi\n\t" \
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"cld\n\t" \
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"rep\tmovsl\n\t" \
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"call\t*%0\n\t" \
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"cld\n\t" \
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"movl\t%9, %%ecx\n\t" \
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"subl\t%%edi, %%esi\n\t" \
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"leal\t4(%%esp,%%esi,1), %%edi\n\t" \
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"leal\t4(%%esp), %%esi\n\t" \
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"rep\tmovsl\n\t" \
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"movl\t%c8-4(%%esp), %%esp\n\t" \
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: "=a" (__tmp1), "=d" (__tmp2), "=S" (__tmp3), \
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"=c" (__tmp4) \
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: "0" (handler), "1" (signo), "2" (&ctx), \
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"3" (sizeof (struct sigcontext) / 4), \
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"n" ((sizeof (struct sigcontext) + 19) & ~15), \
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"i" (sizeof (struct sigcontext) / 4) \
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: "cc", "edi"); \
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} while (0)
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