#int sigsetjmp(sigjmp_buf buf, int save)
# r3 r4
#0) store save into buf->__fl
- stw 4, 256(3)
+ stw 4, 448(3)
#1) compare save with 0
cmpwi cr7, 4, 0
#2) if its 0, goto setjmp code
mflr 31
# put pointer to ss buf into r5 (3rd arg)
- addi 5, 3, 260
+ addi 5, 3, 452
# put "2" i.e. SIG_SETMASK in r3
li 3, 2
li 4, 0