19 lines
183 B
ArmAsm
19 lines
183 B
ArmAsm
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.globl _xinc
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_xinc:
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movl 4(%esp), %eax
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lock incl 0(%eax)
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ret
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.globl _xdec
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_xdec:
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movl 4(%esp), %eax
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lock decl 0(%eax)
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jz iszero
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movl %eax, 1
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ret
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iszero:
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movl %eax, 0
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ret
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