Re: [GOLD][PATCH] Handle 32-bit initial TLS relocations for ARM target.

[=?big5?b?RG91ZyBLd2FuICjD9q62vHcp?= <dougkwan at google dot com>]

I'm sorry about attaching the wrong patch.  Here is the correct one.

-Doug


2010/2/17 Doug Kwan (Ãö®¶¼w) <dougkwan@google.com>:
> Hi,
>
>      This patch adds some support for initial TLS relocations for the
> ARM target.  It is required for running the gold test suite on an ARM
> system running Ubuntu.  It is not yet complete.  There are known
> issues:
>
> -TLS relocations in static output objects do not work.
> -12-bit TLS relocations not supported.
> -TLS optimization not supported.
> -Additional TLS relocations defined in
> http://www.lsd.ic.unicamp.br/~oliva/writeups/TLS/RFC-TLSDESC-ARM.txt
> not supported.
>
> These will be fixed or implemented later.   This patch allows most of
> the tests in the test suite to build.
>
> -Doug
>
> 2010-02-18  Doug Kwan  <dougkwan@google.com>
>
>        * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
>        R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
>        * arm.cc (Arm_relocation_functions): New forward declaration.
>        (Target_arm::Target_arm): Initialize new data members
>        got_mod_index_offset_ and tls_base_symbol_defined_.
>        (Target_arm::Relocate::relocate_tls): New method.
>        (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
>         Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
>        New methods.
>        (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
>        GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
>        (Target_arm::got_mod_index_offset_,
>        Target_arm::tls_base_symbol_defined_): New data members.
>        (Target_arm::Scan::local, Target::Scan::global,
>        Target_arm::Relocate::relocate): Handle 32-bit initial TLS
>        relocations.
>

Attachment: patch-tls.txt
Description: Text document