On Fri, 2012-07-06 at 17:09 +1000, Stephen Rothwell wrote:
> This allows the linker to know that calls to them do not need to switch
> TOC and stop errors like the following when linking large configurations:

>  arch/powerpc/lib/crtsavres.S |    5 ++++-

You didn't make any change to the linker script? How does this section
get in there? I don't see a .text* anywhere?

> diff --git a/arch/powerpc/lib/crtsavres.S b/arch/powerpc/lib/crtsavres.S
> index 1c893f0..b2c68ce 100644
> --- a/arch/powerpc/lib/crtsavres.S
> +++ b/arch/powerpc/lib/crtsavres.S
> @@ -41,12 +41,13 @@
>  #include <asm/ppc_asm.h>
>  
>       .file   "crtsavres.S"
> -     .section ".text"
>  
>  #ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
>  
>  #ifndef CONFIG_PPC64
>  
> +     .section ".text"
> +
>  /* Routines for saving integer registers, called by the compiler.  */
>  /* Called with r11 pointing to the stack header word of the caller of the */
>  /* function, just beyond the end of the integer save area.  */
> @@ -232,6 +233,8 @@ _GLOBAL(_rest32gpr_31_x)
>  
>  #else /* CONFIG_PPC64 */
>  
> +     .section ".text.save.restore","ax",@progbits
> +
>  .globl       _savegpr0_14
>  _savegpr0_14:
>       std     r14,-144(r1)

Any reason to not put the 32-bit versions in the same section? AFAICS
nothing in that file uses the TOC. 

cheers



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