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LibC: Port setjmp syntax to avoid nasm dependency
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commit
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5 changed files with 34 additions and 42 deletions
31
LibC/setjmp.S
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31
LibC/setjmp.S
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.global setjmp
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setjmp:
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mov 4(%esp), %eax
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mov %ebx, 0(%eax)
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mov %esi, 4(%eax)
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mov %edi, 8(%eax)
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mov %ebp, 12(%eax)
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lea 4(%esp), %ecx
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mov %ecx, 16(%eax)
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mov (%esp), %ecx
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mov %ecx, 20(%eax)
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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 4(%esp), %edx
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mov 8(%esp), %eax
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mov 0(%edx), %ebx
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mov 4(%edx), %esi
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mov 8(%edx), %edi
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mov 12(%edx), %ebp
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mov 16(%edx), %ecx
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mov %ecx, %esp
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mov 20(%edx), %ecx
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test %eax, %eax
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jnz .nonzero
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mov 1, %eax
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.nonzero:
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jmp *%ecx
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