Jan Wagemakers wrote in a message to All:
JW> I have asked in Cprog.B a question about how it is possible with
JW> the C-programming-language to get the current time. I have get
JW> there a really useful answer and even have learned some things
JW> about C :-)
Thanks for the free advertising (in case anyone wonders, I moderate the
above mentioned echo)
JW> I don't understand what "leal -4(%ebp),%eax" exactly do.
Load effective address of ebp-4 into eax, in other words the equivalent of
mov eax,ebp followed by sub eax,4.
JW> pushl %ebp
JW> movl %esp,%ebp
the above code sets up a stack frame
JW> subl $8,%esp
assigns 8 bytes on the stack for local variables
JW> leal -4(%ebp),%eax
load the address of a certain local variable (t) at ebp-4 in eax
JW> pushl %eax
and push it as a parameter to time()
JW> call time
and call time()
JW> addl $4,%esp
free the pushed parameter
JW> leal -4(%ebp),%eax
load the same address again in eax
JW> pushl %eax
and push it again as a parameter to localtime()
JW> call localtime
call localtime()
JW> addl $4,%esp
and free the pushed parameter again
greetz,
Tom
tomtorfs@mail.dma.be
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* Origin: 80X86 BBS 32-15-24.62.32 V.34/V.FC (24h/24h) (2:292/516)
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