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
|
/*
* libc/sysdeps/linux/nios2/__longjmp.S
*
* Copyright (C) 2004,05,06 Microtronix Datacom Ltd
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License. See the file COPYING.LIB in the main
* directory of this archive for more details.
*
* Written by Wentao Xu <wentao@microtronix.com>
*
*/
#include <features.h>
#define _ASM
#define _SETJMP_H
#include <bits/setjmp.h>
.globl __longjmp
.type __longjmp,@function
.balign 4
__longjmp:
/* return value is in r5*/
mov r2, r5
/* jmp_buf in r4, restore regs. */
ldw r16, (JB_REGS+ 0)(r4)
ldw r17, (JB_REGS+ 4)(r4)
ldw r18, (JB_REGS+ 8)(r4)
ldw r19, (JB_REGS+12)(r4)
ldw r20, (JB_REGS+16)(r4)
ldw r21, (JB_REGS+20)(r4)
ldw r22, (JB_REGS+24)(r4)
ldw r23, (JB_REGS+28)(r4)
ldw ra, JB_PC(r4)
ldw fp, JB_FP(r4)
ldw gp, JB_GP(r4)
ldw sp, JB_SP(r4)
#if defined(__HAVE_FPU__)
RESTORE_FPU r4 JB_FPREGS
#endif
/* return to saved RA */
ret
.size __longjmp,.-__longjmp
|
