2016-11-23 18:25:55 +00:00
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! The system call checks the timeval pointer but doesn't store the
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! time there. If the pointer wasn't NULL, then the system call
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! returns the time in a pair of registers.
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2016-10-02 18:58:05 +00:00
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.sect .text
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.define _gettimeofday
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_gettimeofday:
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mov eax, 116
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int 0x80
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jb .set_errno
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2016-11-23 18:25:55 +00:00
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mov ebx, 4(esp) ! timeval pointer
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test ebx, ebx
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je 1f
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mov 0(ebx), eax ! seconds
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mov 4(ebx), edx ! microseconds
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1:
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mov eax, 0 ! return 0
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2016-10-02 18:58:05 +00:00
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ret
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