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Add siglongjmp() for aarch64

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Justine Tunney 2023-09-21 10:10:20 -07:00
parent c88f95a892
commit 22cf6e11eb
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GPG key ID: BE714B4575D6E328
13 changed files with 34 additions and 49 deletions
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15
libc/runtime/sigsetjmp.S
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@ -34,6 +34,7 @@
// @return eax 0 when set and !0 when longjmp'd
// @returnstwice
sigsetjmp:
#ifdef __x86_64__
test %esi,%esi
jz setjmp
popq 64(%rdi)
@ -45,5 +46,19 @@ sigsetjmp:
mov %eax,%esi
mov 72(%rdi),%rbx
jmp __sigsetjmp_tail
#elif defined(__aarch64__)
cbz x1,setjmp
str x30,[x0,#176]
str x19,[x0,#176+8+8]
mov x19,x0
bl setjmp
mov w1,w0
mov x0,x19
ldr x30,[x0,#176]
ldr x19,[x0,#176+8+8]
b __sigsetjmp_tail
#else
#error "unsupported architecture"
#endif
.hidden __sigsetjmp_tail
.endfn sigsetjmp,globl