On Fri, Sep 21, 2001 at 04:10:16PM +0530, C. Mohanasundaram wrote:
> 1 #define _syscall0(type,name) \
> 2 type name(void) \
> 3 { \
> 4 long __res; \
> 5 __asm__ volatile ("int $0x80" \
> 6 : "=a" (__res) \
> 7 : "0" (__NR_##name)); \
> 8 __syscall_return(type,__res); \
> 9 }
please check the kernelnewbies.org website where some links describing gcc's
inline asm can be found. Also see info gcc -> Extended Asm
(line 7 is an input line, loading the value of e.g. __NR_fork into %eax I think)
regards
john
--
"If you're not part of the problem, you're part of the problem space."
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