mirror of
https://github.com/RGBCube/serenity
synced 2025-05-31 11:28:12 +00:00
33 lines
608 B
NASM
33 lines
608 B
NASM
; asmsyntax=nasm
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global setjmp
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setjmp:
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mov eax, [esp + 4]
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mov [eax * 4], ebx
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mov [eax + 1 * 4], esi
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mov [eax + 2 * 4], edi
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mov [eax + 3 * 4], ebp
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lea ecx, [esp + 4]
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mov [eax + 4 * 4], ecx
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mov ecx, [esp]
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mov [eax + 5 * 4], ecx
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xor eax, eax
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ret
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global longjmp
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longjmp:
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mov edx, [esp + 4]
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mov eax, [esp + 8]
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mov ebx, [edx * 4]
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mov esi, [edx + 1 * 4]
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mov edi, [edx + 2 * 4]
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mov ebp, [edx + 3 * 4]
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mov ecx, [edx + 4 * 4]
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mov esp, ecx
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mov ecx, [edx + 5 * 4]
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test eax, eax
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jnz .nonzero
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mov eax, 1
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.nonzero:
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jmp ecx
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