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d4697bc9 | 1 | /* Copyright (C) 1998-2014 Free Software Foundation, Inc. |
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2 | This file is part of the GNU C Library. |
3 | Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998. | |
4 | ||
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 |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
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9 | |
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 13 | Lesser General Public License for more details. |
107f8131 | 14 | |
41bdb6e2 | 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, see |
17 | <http://www.gnu.org/licenses/>. */ | |
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18 | |
19 | #define SIGCONTEXT struct sigcontext | |
b7e519e7 | 20 | #define SIGCONTEXT_EXTRA_ARGS |
a9ddb793 | 21 | #define GET_PC(ctx) ((void *) ctx.eip) |
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22 | #define GET_FRAME(ctx) ((void *) ctx.ebp) |
23 | #define GET_STACK(ctx) ((void *) ctx.esp_at_signal) | |
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24 | #define CALL_SIGHANDLER(handler, signo, ctx) \ |
25 | do { \ | |
26 | int __tmp1, __tmp2, __tmp3, __tmp4; \ | |
27 | __asm __volatile ("movl\t%%esp, %%edi\n\t" \ | |
28 | "andl\t$-16, %%esp\n\t" \ | |
29 | "subl\t%8, %%esp\n\t" \ | |
30 | "movl\t%%edi, %c8-4(%%esp)\n\t" \ | |
31 | "movl\t%1, 0(%%esp)\n\t" \ | |
32 | "leal\t4(%%esp), %%edi\n\t" \ | |
33 | "cld\n\t" \ | |
34 | "rep\tmovsl\n\t" \ | |
35 | "call\t*%0\n\t" \ | |
36 | "cld\n\t" \ | |
37 | "movl\t%9, %%ecx\n\t" \ | |
38 | "subl\t%%edi, %%esi\n\t" \ | |
39 | "leal\t4(%%esp,%%esi,1), %%edi\n\t" \ | |
40 | "leal\t4(%%esp), %%esi\n\t" \ | |
41 | "rep\tmovsl\n\t" \ | |
42 | "movl\t%c8-4(%%esp), %%esp\n\t" \ | |
43 | : "=a" (__tmp1), "=d" (__tmp2), "=S" (__tmp3), \ | |
44 | "=c" (__tmp4) \ | |
45 | : "0" (handler), "1" (signo), "2" (&ctx), \ | |
46 | "3" (sizeof (struct sigcontext) / 4), \ | |
47 | "n" ((sizeof (struct sigcontext) + 19) & ~15), \ | |
48 | "i" (sizeof (struct sigcontext) / 4) \ | |
49 | : "cc", "edi"); \ | |
50 | } while (0) |