ref: e391b7ec8c0dc746a70725f3fc598def0419d1e6
dir: /sys/src/libc/power64/setjmp.s/
TEXT setjmp(SB), 1, $-8 MOVD LR, R4 MOVD RSP, (RARG) MOVD R4, 8(RARG) MOVW $0, RARG RETURN TEXT longjmp(SB), 1, $-8 MOVD RARG, R4 MOVW r+12(FP), RARG CMP RARG, $0 BNE ok /* ansi: "longjmp(0) => longjmp(1)" */ MOVW $1, RARG /* bless their pointed heads */ ok: MOVD (R4), RSP MOVD 8(R4), R4 MOVD R4, LR BR (LR) /* * trampoline functions because the kernel smashes r3 * in the uregs given to notejmp */ TEXT __noterestore(SB), 1, $-8 MOVD R4, RARG MOVD R5, LR BR (LR)