ref: b0a059537147237e868b4a8f07922ae8a349e55c
dir: /sys/src/libc/arm/setjmp.s/
arg=0 link=14 sp=13 TEXT setjmp(SB), 1, $-4 MOVW R(sp), (R(arg+0)) MOVW R(link), 4(R(arg+0)) MOVW $0, R0 RET TEXT longjmp(SB), 1, $-4 MOVW r+4(FP), R(arg+2) CMP $0, R(arg+2) BNE ok /* ansi: "longjmp(0) => longjmp(1)" */ MOVW $1, R(arg+2) /* bless their pointed heads */ ok: MOVW (R(arg+0)), R(sp) MOVW 4(R(arg+0)), R(link) MOVW R(arg+2), R(arg+0) RET