Mail Archives: djgpp/1997/02/18/22:14:12
On Mon, 17 Feb 1997 03:01:54 GMT ovek AT arcticnet DOT no (Ove Kaaven) writes:
>chambersb AT juno DOT com (Benjamin D Chambers) wrote:
>
>>Let's say I want to use my own buffer as a temporary stack (I would,
>of
>>course, switch back to the main stack when I'm done). Would I simply
>>load %esp with the location of my buffer, plus the size if the
>buffer?
>
>>Ie:
>>int buf[10];
>>int old;
>>asm("
>> movl %%esp, (%%eax)
>> movl %%ebx, %%esp
>> addl $40, %%esp
>> . .
>> movl (%%eax), %%esp
>>"
>>:: "a" (&old), "b" (buf):"memory");
>
>The stack grows downwards. Try:
>
>:: "a" (&old), "b" (&buf[10]) : "memory" );
>
>The first value pushed should then be at buf[9], the next at buf[8],
>etc.
That was what the +40 was for - each integer is 4 bytes, 10 of them is
40. However, that does not solve the problem.
...Chambers
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