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gdb and binutils branch master updated. 53291d1f1601d6958248dcfb755af470521c186a
- From: amodra at sourceware dot org
- To: binutils-cvs at sourceware dot org
- Date: 9 Feb 2014 12:55:38 -0000
- Subject: gdb and binutils branch master updated. 53291d1f1601d6958248dcfb755af470521c186a
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https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=53291d1f1601d6958248dcfb755af470521c186a
commit 53291d1f1601d6958248dcfb755af470521c186a
Author: Alan Modra <amodra@gmail.com>
Date: Sat Feb 8 12:26:53 2014 +1030
powerpc relax_section and section contents cache
This patch provides a means for backend relax_section support to
increase the size of a section without needing to reallocate
section contents. This helps reduce memory usage when the added space
does not need to be written in relax_section, as is the case for
powerpc. Writing the stubs later means a few tweaks are needed in the
powerpc relocate_section function, but also removes some code
duplication since the extra ld -r relocs can be written there too.
* elf-bfd.h (struct elf_backend_data): Add caches_rawsize.
* elfxx-target.h (elf_backend_caches_rawsize): Define.
(elfNN_bed): Init new field.
* elflink.c (elf_link_input_bfd): Handle caches_rawsize.
* elf32-ppc.c (shared_stub_entry): Zero addi offset.
(ppc_elf_relax_section): Don't reallocate section here, write
stubs, or write out relocs for ld -r here..
(ppc_elf_relocate_section): ..instead write stubs here, and use
existing code to write out relocs for ld -r. Fix offset
adjustment on reloc for little-endian.
(elf_backend_caches_rawsize): Define.
-----------------------------------------------------------------------
Summary of changes:
bfd/ChangeLog | 14 ++++
bfd/elf-bfd.h | 5 ++
bfd/elf32-ppc.c | 172 ++++++++++++++++++++--------------------------------
bfd/elflink.c | 11 +++-
bfd/elfxx-target.h | 6 ++-
5 files changed, 100 insertions(+), 108 deletions(-)
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gdb and binutils