diff options
author | Anton Kling <anton@kling.gg> | 2023-10-22 19:50:38 +0200 |
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committer | Anton Kling <anton@kling.gg> | 2023-10-22 19:50:38 +0200 |
commit | 4e09bca9e34c226b6d7e34b4fa11248405fd988e (patch) | |
tree | 80f156b7940d9d19971395f335530170c69516c7 /userland/libc/setjmp |
Move everything into a new repo.
Diffstat (limited to 'userland/libc/setjmp')
-rw-r--r-- | userland/libc/setjmp/longjmp.s | 16 | ||||
-rw-r--r-- | userland/libc/setjmp/setjmp.s | 23 |
2 files changed, 39 insertions, 0 deletions
diff --git a/userland/libc/setjmp/longjmp.s b/userland/libc/setjmp/longjmp.s new file mode 100644 index 0000000..8188f06 --- /dev/null +++ b/userland/libc/setjmp/longjmp.s @@ -0,0 +1,16 @@ +.global _longjmp +.global longjmp +.type _longjmp,@function +.type longjmp,@function +_longjmp: +longjmp: + mov 4(%esp),%edx + mov 8(%esp),%eax + cmp $1,%eax + adc $0, %al + mov (%edx),%ebx + mov 4(%edx),%esi + mov 8(%edx),%edi + mov 12(%edx),%ebp + mov 16(%edx),%esp + jmp *20(%edx) diff --git a/userland/libc/setjmp/setjmp.s b/userland/libc/setjmp/setjmp.s new file mode 100644 index 0000000..4d19cf8 --- /dev/null +++ b/userland/libc/setjmp/setjmp.s @@ -0,0 +1,23 @@ +.global ___setjmp +.hidden ___setjmp +.global __setjmp +.global _setjmp +.global setjmp +.type __setjmp,@function +.type _setjmp,@function +.type setjmp,@function +___setjmp: +__setjmp: +_setjmp: +setjmp: + mov 4(%esp), %eax + mov %ebx, (%eax) + mov %esi, 4(%eax) + mov %edi, 8(%eax) + mov %ebp, 12(%eax) + lea 4(%esp), %ecx + mov %ecx, 16(%eax) + mov (%esp), %ecx + mov %ecx, 20(%eax) + xor %eax, %eax + ret |