forked from Bananymous/banan-os
29 lines
385 B
ArmAsm
29 lines
385 B
ArmAsm
// int setjmp(jmp_buf env)
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.global setjmp
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setjmp:
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movl 4(%esp), %edx
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leal 4(%esp), %eax
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movl %eax, 0(%edx)
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movl (%esp), %eax
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movl %eax, 4(%edx)
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xorl %eax, %eax
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ret
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// void longjmp(jmp_buf env, int val)
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.global longjmp
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longjmp:
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movl 4(%esp), %edx
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movl 8(%esp), %ecx
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movl $1, %eax
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testl %ecx, %ecx
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cmovnzl %ecx, %eax
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movl 0(%edx), %esp
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movl 4(%edx), %ecx
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jmp *%ecx
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