Messages in this thread | | | Date | Wed, 5 Sep 2007 11:18:21 +0200 | From | "Miguel Ojeda" <> | Subject | Re: _syscall0 exists or obsolete in 2.6 |
| |
On 9/5/07, Jaswinder Singh <jaswinderlinux@gmail.com> wrote: > Hello all, > > I am trying to add syscall in include/asm/unistd.h:
Which platform?
> > static inline _syscall0(int,my_sys_call); > > But I am getting following errors : > > AS arch/arm/kernel/entry-common.o
Assuming arm, I don't see that include/asm-arm/unistd.h has 622 lines.
> include/asm/unistd.h: Assembler messages: > include/asm/unistd.h:622: Error: bad instruction `static inline int > my_sys_call(void){register long __res_r0 __asm__("r0")' > include/asm/unistd.h:622: Error: bad instruction `long __res' > include/asm/unistd.h:622: Error: bad instruction `__asm__ > __volatile__("swi\t""(0x900000+322)""":"=r"(__res_r0)::"memory")' > include/asm/unistd.h:622: Error: bad instruction `do {if((unsigned > long)(__res)>=(unsigned long)(-129)){errno=-(__res)' > include/asm/unistd.h:622: Error: junk at end of line, first > unrecognized character is `}' > include/asm/unistd.h:622: Error: junk at end of line, first > unrecognized character is `}' > include/asm/unistd.h:622: Error: junk at end of line, first > unrecognized character is `}' > make[1]: *** [arch/arm/kernel/entry-common.o] Error 1 > make: *** [arch/arm/kernel] Error 2 > > > This was working in older versions. > > I am curious _syscall0 still exists or obsolete in 2.6 linux. > > And I have noticed even if I commented _syscall0 macro, I do not get > any errors so no body is using it , then why _syscall0 is in kernel > header files and what is the substitute of _syscall0.
Well, if you look at
http://lxr.linux.no/ident?i=_syscall0
it seems it is pretty obsolete.
-- Miguel Ojeda http://maxextreme.googlepages.com/index.htm - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |