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Re: Fwd: [PATCH] [BZ #21179] - handle R_SPARC_DISP64 and R_SPARC_REGISTER relocs
- From: Adhemerval Zanella <adhemerval dot zanella at linaro dot org>
- To: libc-alpha at sourceware dot org
- Date: Tue, 2 May 2017 16:57:51 -0300
- Subject: Re: Fwd: [PATCH] [BZ #21179] - handle R_SPARC_DISP64 and R_SPARC_REGISTER relocs
- Authentication-results: sourceware.org; auth=none
- References: <1487622402-129515-1-git-send-email-vladimir.mezentsev@oracle.com> <58AB538F.6020106@oracle.com>
On 20/02/2017 17:37, Vladimir Mezentsev wrote:
> On 02/17/2017 01:07 PM, Joseph Myers wrote:
>> On Fri, 17 Feb 2017, Vladimir Mezentsev wrote:
>> From: Vladimir Mezentsev <vladimir.mezentsev@oracle.com>
>>
>> The Studio compiler generates relocation types which are not supported
>> in glibc. Handle these relocs.
>>
>> Tested in sparc64-linux-gnu. No regressions.
>>
>> * sysdeps/sparc/sparc64/dl-machine.h: Handle R_SPARC_DISP64 and
>> R_SPARC_REGISTER relocations.
>> Since you filed bug 21179 for this, you need to include [BZ #21179] in the
>> ChangeLog entry.
>
> Done.
>
> Can somebody apply my fixes. I don't have write access to the repo.
> Thank you.
> -Vladimir
>
>
>
> From: Vladimir Mezentsev <vladimir.mezentsev@oracle.com>
>
> The Studio compiler generates relocation types which are not supported
> in glibc. Handle these relocs.
>
> Tested in sparc64-linux-gnu. No regressions.
>
> [BZ #21179]
> * sysdeps/sparc/sparc64/dl-machine.h: Handle R_SPARC_DISP64 and
> R_SPARC_REGISTER relocations.
> ---
> sysdeps/sparc/sparc64/dl-machine.h | 6 ++++++
> 1 files changed, 6 insertions(+), 0 deletions(-)
>
> diff --git a/sysdeps/sparc/sparc64/dl-machine.h b/sysdeps/sparc/sparc64/dl-machine.h
> index 99c00f4..1b59d78 100644
> --- a/sysdeps/sparc/sparc64/dl-machine.h
> +++ b/sysdeps/sparc/sparc64/dl-machine.h
> @@ -537,6 +537,12 @@ elf_machine_rela (struct link_map *map, const Elf64_Rela *reloc,
> case R_SPARC_DISP32:
> *(unsigned int *) reloc_addr = (value - (Elf64_Addr) reloc_addr);
> break;
> + case R_SPARC_DISP64:
> + *reloc_addr = (value - (Elf64_Addr) reloc_addr);
> + break;
> + case R_SPARC_REGISTER:
> + *reloc_addr = value;
> + break;
> case R_SPARC_WDISP30:
> *(unsigned int *) reloc_addr =
> ((*(unsigned int *)reloc_addr & 0xc0000000) |
Done.