[OSy] dotaz na ASM

[Nodir Yuldashev]

Ty registry v kodu asm musis jeste jednou obalit
symbolem '"', tj. napr:
 	__asm__ ( " sw $""v0"", %0 ; .set pop" : "=m"
 (retval) ); }


--- Vaclav Klecanda <vencax at centrum.cz> wrote:

> Dobre poledne, muze mi prosim nekdo kdo umi
> assembler, poradit, proc mi pri prekladu tohoto kodu
> porad vyjizdi error:
>  expected ':' or ')' before numeric constant ??,
> Diky
> Kod:
> #define a0      4
> #define a1      5
> #define a2      6
> #define a3      7
> #define v0      2
> 
> #define CALL_SYSCALL(index, retval, p1, p2, p3) { \
> 	__asm__ ( " .set push ; .set noreorder ; nop" ); \
>         __asm__ ( " lw $"a0", %0 ; lw $"a1", %1 ; lw
> $"a2", %2 " : : "m" (p1), "m" (p2), "m" (p3) ); \
> 	__asm__ ( "nop ; nop ; nop");	\
> 	__asm__ ( "syscall %0" : : "i" (index));	\
> 	__asm__ ( "nop ; nop ; nop");	\
> 	__asm__ ( " sw $"v0", %0 ; .set pop" : "=m"
> (retval) ); }
> 	
> void main(int i)
> {
> 	int retval, p1, p2, p3;
> 	CALL_SYSCALL(i, retval, p1, p2, p3)
> }
> 
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> 



 
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