Changeset View
Changeset View
Standalone View
Standalone View
head/lib/libc/riscv/gen/setjmp.S
| Show First 20 Lines • Show All 94 Lines • ▼ Show 20 Lines | #endif | ||||
| li a0, 0 | li a0, 0 | ||||
| ret | ret | ||||
| .align 3 | .align 3 | ||||
| .Lmagic: | .Lmagic: | ||||
| .quad _JB_MAGIC_SETJMP | .quad _JB_MAGIC_SETJMP | ||||
| END(setjmp) | END(setjmp) | ||||
| ENTRY(longjmp) | ENTRY(longjmp) | ||||
| /* Check the magic value */ | |||||
| ld t0, 0(a0) | |||||
| ld t1, .Lmagic | |||||
| bne t0, t1, botch | |||||
| addi sp, sp, -(4 * 8) | addi sp, sp, -(4 * 8) | ||||
| sd a0, (0 * 8)(sp) | sd a0, (0 * 8)(sp) | ||||
| sd ra, (1 * 8)(sp) | sd ra, (1 * 8)(sp) | ||||
| sd a1, (2 * 8)(sp) | sd a1, (2 * 8)(sp) | ||||
| /* Restore the signal mask */ | /* Restore the signal mask */ | ||||
| li a2, 0 /* oset */ | li a2, 0 /* oset */ | ||||
| addi a1, a0, (_JB_SIGMASK * 8) /* set */ | addi a1, a0, (_JB_SIGMASK * 8) /* set */ | ||||
| li a0, 3 /* SIG_BLOCK */ | li a0, 3 /* SIG_BLOCK */ | ||||
| call _C_LABEL(sigprocmask) | call _C_LABEL(sigprocmask) | ||||
| ld a1, (2 * 8)(sp) | ld a1, (2 * 8)(sp) | ||||
| ld ra, (1 * 8)(sp) | ld ra, (1 * 8)(sp) | ||||
| ld a0, (0 * 8)(sp) | ld a0, (0 * 8)(sp) | ||||
| addi sp, sp, (4 * 8) | addi sp, sp, (4 * 8) | ||||
| /* Check the magic value */ | |||||
| ld t0, 0(a0) | |||||
| ld t1, .Lmagic | |||||
| bne t0, t1, botch | |||||
| /* Restore the stack pointer */ | /* Restore the stack pointer */ | ||||
| ld t0, 8(a0) | ld t0, 8(a0) | ||||
| mv sp, t0 | mv sp, t0 | ||||
| addi a0, a0, (2 * 8) | addi a0, a0, (2 * 8) | ||||
| /* Restore the general purpose registers and ra */ | /* Restore the general purpose registers and ra */ | ||||
| ld s0, (0 * 8)(a0) | ld s0, (0 * 8)(a0) | ||||
| Show All 39 Lines | |||||