Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1328393

Re: [PATCH] powerpc: fix dedotify for binutils >= 2.26

From Anton Blanchard <anton@samba.org>
Newsgroups linux.kernel
Subject Re: [PATCH] powerpc: fix dedotify for binutils >= 2.26
Date 2016-02-07 01:20 +0100
Message-ID <qZlf3-6Av-11@gated-at.bofh.it> (permalink)
References <qYTLQ-3XC-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


> Since binutils 2.26 BFD is doing suffix merging on STRTAB sections.
> But dedotify modifies the symbol names in place, which can also modify
> unrelated symbols with a name that matches a suffix of a dotted
> name.  To remove the leading dot of a symbol name we can just
> increment the pointer into the STRTAB section instead.

Thanks Andreas.

> Signed-off-by: Andreas Schwab <schwab@linux-m68k.org>

I think we should get it into stable too.

Anton

> ---
>  arch/powerpc/kernel/module_64.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/powerpc/kernel/module_64.c
> b/arch/powerpc/kernel/module_64.c index ac64ffd..08b7a40 100644
> --- a/arch/powerpc/kernel/module_64.c
> +++ b/arch/powerpc/kernel/module_64.c
> @@ -340,7 +340,7 @@ static void dedotify(Elf64_Sym *syms, unsigned
> int numsyms, char *strtab) if (name[0] == '.') {
>  				if (strcmp(name+1, "TOC.") == 0)
>  					syms[i].st_shndx = SHN_ABS;
> -				memmove(name, name+1, strlen(name));
> +				syms[i].st_name++;
>  			}
>  		}
>  	}

Back to linux.kernel | Previous | NextPrevious in thread | Find similar | Unroll thread


Thread

[PATCH] powerpc: fix dedotify for binutils >= 2.26 Andreas Schwab <schwab@linux-m68k.org> - 2016-02-05 20:00 +0100
  Re: [PATCH] powerpc: fix dedotify for binutils >= 2.26 Anton Blanchard <anton@samba.org> - 2016-02-07 01:20 +0100

csiph-web