1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
|
/* Copyright (C) 1998-2016 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#define SIGCONTEXT struct sigcontext
#define SIGCONTEXT_EXTRA_ARGS
#define GET_PC(ctx) ((void *) ctx.eip)
#define GET_FRAME(ctx) ((void *) ctx.ebp)
#define GET_STACK(ctx) ((void *) ctx.esp_at_signal)
#define CALL_SIGHANDLER(handler, signo, ctx) \
do { \
int __tmp1, __tmp2, __tmp3, __tmp4; \
__asm __volatile ("movl\t%%esp, %%edi\n\t" \
"andl\t$-16, %%esp\n\t" \
"subl\t%8, %%esp\n\t" \
"movl\t%%edi, %c8-4(%%esp)\n\t" \
"movl\t%1, 0(%%esp)\n\t" \
"leal\t4(%%esp), %%edi\n\t" \
"cld\n\t" \
"rep\tmovsl\n\t" \
"call\t*%0\n\t" \
"cld\n\t" \
"movl\t%9, %%ecx\n\t" \
"subl\t%%edi, %%esi\n\t" \
"leal\t4(%%esp,%%esi,1), %%edi\n\t" \
"leal\t4(%%esp), %%esi\n\t" \
"rep\tmovsl\n\t" \
"movl\t%c8-4(%%esp), %%esp\n\t" \
: "=a" (__tmp1), "=d" (__tmp2), "=S" (__tmp3), \
"=c" (__tmp4) \
: "0" (handler), "1" (signo), "2" (&ctx), \
"3" (sizeof (struct sigcontext) / 4), \
"n" ((sizeof (struct sigcontext) + 19) & ~15), \
"i" (sizeof (struct sigcontext) / 4) \
: "cc", "edi"); \
} while (0)
|
