ref: d376fac66cbd5efbe2f9f61a1e8b31af03a84a92
dir: /sys/src/libc/power/setjmp.s/
TEXT setjmp(SB), 1, $-4 MOVW LR, R4 MOVW R1, (R3) MOVW R4, 4(R3) MOVW $0, R3 RETURN TEXT longjmp(SB), 1, $-4 MOVW R3, R4 MOVW r+4(FP), R3 CMP R3, $0 BNE ok /* ansi: "longjmp(0) => longjmp(1)" */ MOVW $1, R3 /* bless their pointed heads */ ok: MOVW (R4), R1 MOVW 4(R4), R4 MOVW R4, LR BR (LR) /* * trampoline functions because the kernel smashes r1 * in the uregs given to notejmp */ TEXT __noterestore(SB), 1, $-4 MOVW R4, R3 MOVW R5, LR BR (LR)