ladybird/Libraries/LibC/setjmp.S
Andreas Kling 04b9dc2d30 Libraries: Create top level directory for libraries.
Things were getting a little crowded in the project root, so this patch
moves the Lib*/ directories into Libraries/.
2019-07-04 16:16:50 +02:00

32 lines
553 B
ArmAsm

.global setjmp
setjmp:
mov 4(%esp), %eax
mov %ebx, 0(%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
.global longjmp
longjmp:
mov 4(%esp), %edx
mov 8(%esp), %eax
mov 0(%edx), %ebx
mov 4(%edx), %esi
mov 8(%edx), %edi
mov 12(%edx), %ebp
mov 16(%edx), %ecx
mov %ecx, %esp
mov 20(%edx), %ecx
test %eax, %eax
jnz .nonzero
mov 1, %eax
.nonzero:
jmp *%ecx