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
|
/* Copyright (C) 1991, 1993, 1994, 1996, 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. */
#include <sysdep.h>
#define _ASM 1
#include <jmp_buf.h>
ENTRY (__sigsetjmp)
/* Save our SP and FP; in the delay slot of the jump, save our
return PC. Save the signal mask if requested with a tail-call
for simplicity; it always returns zero. */
#ifdef PIC
2:
jmpl 1f,%g2
nop
1:
sethi %hi(_GLOBAL_OFFSET_TABLE_-(2b-.)),%l7
sethi %hi(C_SYMBOL_NAME (__sigjmp_save)), %g3
st %sp, [%o0 + (JB_SP * 4)]
or %l7,%lo(_GLOBAL_OFFSET_TABLE_-(2b-.)),%l7
or %g3,%lo(C_SYMBOL_NAME (__sigjmp_save)), %g3
st %fp, [%o0 + (JB_FP * 4)]
ld [%l7+%g3],%g1
jmp %g1
st %o7, [%o0+(JB_PC*4)]
#else
sethi %hi(C_SYMBOL_NAME (__sigjmp_save)), %g1
st %sp, [%o0 + (JB_SP*4)]
or %lo(C_SYMBOL_NAME (__sigjmp_save)), %g1, %g1
st %fp, [%o0 + (JB_FP*4)]
jmp %g1
st %o7, [%o0 + (JB_PC*4)]
#endif /* PIC */
|
