Re: _syscall0 exists or obsolete in 2.6

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 9/5/07, Jaswinder Singh <[email protected]> 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 [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]
  Powered by Linux