| 1 | /* Copyright (C) 1998, 1999, 2001 Free Software Foundation, Inc. |
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| 2 | This file is part of the GNU C Library. |
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| 3 | Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998. |
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| 4 | |
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| 5 | The GNU C Library is free software; you can redistribute it and/or |
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| 6 | modify it under the terms of the GNU Lesser General Public |
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| 7 | License as published by the Free Software Foundation; either |
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| 8 | version 2.1 of the License, or (at your option) any later version. |
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| 9 | |
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| 10 | The GNU C Library is distributed in the hope that it will be useful, |
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 13 | Lesser General Public License for more details. |
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| 14 | |
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| 15 | You should have received a copy of the GNU Lesser General Public |
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| 16 | License along with the GNU C Library; if not, write to the Free |
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| 17 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
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| 18 | 02111-1307 USA. */ |
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| 19 | |
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| 20 | #define SIGCONTEXT struct sigcontext |
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| 21 | #define SIGCONTEXT_EXTRA_ARGS |
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| 22 | #define GET_PC(ctx) ((void *) ctx.eip) |
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| 23 | #define GET_FRAME(ctx) ((void *) ctx.ebp) |
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| 24 | #define GET_STACK(ctx) ((void *) ctx.esp_at_signal) |
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| 25 | #define CALL_SIGHANDLER(handler, signo, ctx) \ |
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| 26 | do { \ |
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| 27 | int __tmp1, __tmp2, __tmp3, __tmp4; \ |
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| 28 | __asm __volatile ("movl\t%%esp, %%edi\n\t" \ |
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| 29 | "andl\t$-16, %%esp\n\t" \ |
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| 30 | "subl\t%8, %%esp\n\t" \ |
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| 31 | "movl\t%%edi, %c8-4(%%esp)\n\t" \ |
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| 32 | "movl\t%1, 0(%%esp)\n\t" \ |
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| 33 | "leal\t4(%%esp), %%edi\n\t" \ |
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| 34 | "cld\n\t" \ |
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| 35 | "rep\tmovsl\n\t" \ |
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| 36 | "call\t*%0\n\t" \ |
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| 37 | "cld\n\t" \ |
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| 38 | "movl\t%9, %%ecx\n\t" \ |
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| 39 | "subl\t%%edi, %%esi\n\t" \ |
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| 40 | "leal\t4(%%esp,%%esi,1), %%edi\n\t" \ |
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| 41 | "leal\t4(%%esp), %%esi\n\t" \ |
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| 42 | "rep\tmovsl\n\t" \ |
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| 43 | "movl\t%c8-4(%%esp), %%esp\n\t" \ |
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| 44 | : "=a" (__tmp1), "=d" (__tmp2), "=S" (__tmp3), \ |
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| 45 | "=c" (__tmp4) \ |
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| 46 | : "0" (handler), "1" (signo), "2" (&ctx), \ |
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| 47 | "3" (sizeof (struct sigcontext) / 4), \ |
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| 48 | "n" ((sizeof (struct sigcontext) + 19) & ~15), \ |
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| 49 | "i" (sizeof (struct sigcontext) / 4) \ |
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| 50 | : "cc", "edi"); \ |
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| 51 | } while (0) |
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