http://sourceware.org/bugzilla/show_bug.cgi?id=16323
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=43a8475ca01b676fb764aaed0c4ed1cc16fc3c87
commit 43a8475ca01b676fb764aaed0c4ed1cc16fc3c87
Author: H.J. Lu <hjl.to...@gmail.com>
Date: Thu Dec 12 10:35:47 2013 -0800
Adjust LOAD segment to generate GNU_RELRO segment
This patch fixes 2 GNU_RELRO segment bugs:
1. lang_size_sections didn't properly align base to the maximum
alignment power of sections between DATA_SEGMENT_ALIGN and
DATA_SEGMENT_RELRO_END.
2. ld failed to adjust LOAD segment to generate GNU_RELRO segment
when LOAD segment doesn't fit GNU_RELRO segment. This is
https://sourceware.org/bugzilla/show_bug.cgi?id=14207
We "fixed" ld by not generating GNU_RELRO segment. This patch
adjusts LOAD segment to generate GNU_RELRO segment. It fixes
PR ld/16322 and at the same time it also fixes PR binutils/16323
since now we can adjust LOAD segment if it is too small.
bfd/
PR ld/14207
PR ld/16322
PR binutils/16323
* elf.c (_bfd_elf_map_sections_to_segments): Don't check section
size for PT_GNU_RELRO segment.
(assign_file_positions_for_load_sections): If PT_LOAD segment
doesn't fit PT_GNU_RELRO segment, adjust its p_filesz and p_memsz.
ld/
PR ld/14207
PR ld/16322
PR binutils/16323
* ldlang.c (lang_size_sections): Properly align RELRO base.
ld/testsuite/
PR ld/14207
PR ld/16322
PR binutils/16323
* ld-elf/pr16322.d: New file.
* ld-elf/pr16322.s: Likewise.
* ld-x86-64/pr14207.d: Expect PT_GNU_RELRO segment.
-----------------------------------------------------------------------
Summary of changes:
bfd/ChangeLog | 10 +++++++++
bfd/elf.c | 41 +++++++++++++++++++++++++++++++++----
ld/ChangeLog | 7 ++++++
ld/ldlang.c | 3 +-
ld/testsuite/ChangeLog | 10 +++++++++
ld/testsuite/ld-elf/pr16322.d | 7 ++++++
ld/testsuite/ld-elf/pr16322.s | 6 +++++
ld/testsuite/ld-x86-64/pr14207.d | 23 +++++++++++++++++---
8 files changed, 97 insertions(+), 10 deletions(-)
create mode 100644 ld/testsuite/ld-elf/pr16322.d
create mode 100644 ld/testsuite/ld-elf/pr16322.s
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