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
|
.set noreorder
.global sigsetjmp
.global __sigsetjmp
.type sigsetjmp,@function
.type __sigsetjmp,@function
sigsetjmp:
__sigsetjmp:
lui $3, %hi(%neg(%gp_rel(sigsetjmp)))
daddiu $3, $3, %lo(%neg(%gp_rel(sigsetjmp)))
# comparing save mask with 0, if equals to 0 then
# sigsetjmp is equal to setjmp.
beq $5, $0, 1f
daddu $3, $3, $25
sd $ra, 160($4)
sd $16, 168($4)
# save base of got so that we can use it later
# once we return from 'longjmp'
sd $3, 176($4)
ld $25, %got_disp(setjmp)($3)
jalr $25
move $16, $4
move $5, $2 # Return from 'setjmp' or 'longjmp'
move $4, $16 # Restore the pointer-to-sigjmp_buf
ld $ra, 160($4) # Restore ra of sigsetjmp
ld $16, 168($4) # Restore $16 of sigsetjmp
ld $3, 176($4) # Restore base of got
.hidden __sigsetjmp_tail
ld $25, %got_disp(__sigsetjmp_tail)($3)
jr $25
nop
1:
ld $25, %got_disp(setjmp)($3)
jr $25
nop
|
