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
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
|
/* Copyright (C) 1992, 1994, 1997 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
/* Global register decls must come before any function defn. */
register long int
r9 asm ("$9"), r10 asm ("$10"), r11 asm ("$11"), r12 asm ("$12"),
r13 asm ("$13"), r14 asm ("$14");
register long int *fp asm ("$15"), *sp asm ("$30"), *retpc asm ("$26");
#if 1 /* XXX */
register double
f2 asm ("$f2"), f3 asm ("$f3"), f4 asm ("$f4"), f5 asm ("$f5"),
f6 asm ("$f6"), f7 asm ("$f7"), f8 asm ("$f8"), f9 asm ("$f9");
#endif
#include <setjmp.h>
/* Save the current program position in ENV and return 0. */
int
__sigsetjmp_aux (sigjmp_buf env, int savemask, long int *sp, long int *fp)
{
/* Save the integer registers. */
env[0].__jmpbuf[0].__9 = r9;
env[0].__jmpbuf[0].__10 = r10;
env[0].__jmpbuf[0].__11 = r11;
env[0].__jmpbuf[0].__12 = r12;
env[0].__jmpbuf[0].__13 = r13;
env[0].__jmpbuf[0].__14 = r14;
#if 1 /* XXX */
/* Save the floating point registers. */
env[0].__jmpbuf[0].__f2 = f2;
env[0].__jmpbuf[0].__f3 = f3;
env[0].__jmpbuf[0].__f4 = f4;
env[0].__jmpbuf[0].__f5 = f5;
env[0].__jmpbuf[0].__f6 = f6;
env[0].__jmpbuf[0].__f7 = f7;
env[0].__jmpbuf[0].__f8 = f8;
env[0].__jmpbuf[0].__f9 = f9;
#endif
/* Save the return address of our caller, where longjmp will jump to. */
env[0].__jmpbuf[0].__pc = retpc;
/* Save the FP and SP of our caller. The __sigsetjmp entry point
simply puts these in the argument registers for us to fetch. */
env[0].__jmpbuf[0].__fp = fp;
env[0].__jmpbuf[0].__sp = sp;
/* Save the signal mask if requested. */
__sigjmp_save (env, savemask);
retpc = env[0].__jmpbuf[0].__pc; /* restore ra, ugly... */
/* Return to the original caller of __sigsetjmp. */
return 0;
}
|
