Can't find macro SAVE_ALL

[王哲]

2012/5/17 Javier Martinez Canillas <martinez.javier at gmail.com>

> On Thu, May 17, 2012 at 3:59 PM, 王哲 <wangzhe5004 at gmail.com> wrote:
> > Hi all:
> >         i am a kernelnewbies.during studying the linux system call,and
> > analysis the following code (linux kernel 2.6.38)
> >
> > 529ENTRY(system_call)
> > 530 RING0_INT_FRAME # can't unwind into user space anyway
> > 531 pushl %eax # save orig_eax
> > 532 CFI_ADJUST_CFA_OFFSET 4
> > 533 SAVE_ALL
> > 534 GET_THREAD_INFO(%ebp)
> > 535 # system call tracing in operation / emulation
> > 536 testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags(%ebp)
> > 537 jnz syscall_trace_entry
> > 538 cmpl $(nr_syscalls), %eax
> > 539 jae syscall_badsys
> > 540syscall_call:
> > 541 call *sys_call_table(,%eax,4)
> > 542 movl %eax,PT_EAX(%esp) # store the return value
> >
> > Question:
> >            i want to see what the SAVE_ALL have done.and can't find the
> > Macro SAVE_ALL
> > if anyone knows please help
> >
> >          Thanks
> >
> > _______________________________________________
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> > Kernelnewbies at kernelnewbies.org
> > http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
> >
>
> http://lxr.free-electrons.com/ident?i=SAVE_ALL
>
>    Thank you  Javier Martinez Canillas for reply!
   but the rearch result :
   Defined as a preprocessor macro in:

   - arch/cris/include/arch-v32/arch/irq.h, line
32<http://lxr.free-electrons.com/source/arch/cris/include/arch-v32/arch/irq.h#L32>
   - arch/cris/include/arch-v10/arch/irq.h, line
85<http://lxr.free-electrons.com/source/arch/cris/include/arch-v10/arch/irq.h#L85>
   - arch/sparc/include/asm/asmmacro.h, line
27<http://lxr.free-electrons.com/source/arch/sparc/include/asm/asmmacro.h#L27>

    is not in x86 Architecture.

> Best regards,
>
> --
> Javier Martínez Canillas
> (+34) 682 39 81 69
> Barcelona, Spain
>
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