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non-PIC references to __ehdr_start in pie and shared Rather than hacking every backend to not discard dynamic relocations against an undefined hidden __ehdr_start, make it appear to be defined early. We want __ehdr_start hidden before size_dynamic_sections so that it isn't put in .dynsym, but we do need the dynamic relocations for a PIE or shared library with a non-PIC reference. Defining it early is wrong if we don't actually define the symbol later to its proper value. (In some cases we want to leave the symbol undefined, for example, when the ELF header isn't loaded, and we don't have this infomation available in before_allocation.) ld/ * emultempl/elf32.em (gld${EMULATION_NAME}_before_allocation): Define __ehdr_start before size_dynamic_sections and restore afterwards. ld/testsuite/ * ld-elf/ehdr_start-shared.d: New. * ld-elf/ehdr_start-userdef.d: xfail frv. * ld-elf/ehdr_start-weak.d: Likewise. * ld-elf/ehdr_start.d: Likewise.
2014-01-15 11:20:55 +00:00
2014-01-15 Alan Modra <amodra@gmail.com>
* ld-elf/ehdr_start-shared.d: New.
* ld-elf/ehdr_start-userdef.d: xfail frv.
* ld-elf/ehdr_start-weak.d: Likewise.
* ld-elf/ehdr_start.d: Likewise.
* lib/ld-lib.exp (default_ld_link): Remove support for ldflags. (default_ld_simple_link): Likewise.
2014-01-14 13:09:22 +00:00
2014-01-14 Vidya Praveen <vidyapraveen@arm.com>
* lib/ld-lib.exp (default_ld_link): Remove support for ldflags.
(default_ld_simple_link): Likewise.
Don't adjust LOAD segment to match GNU_RELRO segment Instead, fix Jakub's original code setting up the PR_GNU_RELRO header from the PT_LOAD header. PR ld/14207 PR ld/16322 PR binutils/16323 bfd/ * elf.c (assign_file_positions_for_load_sections): Revert last change. (assign_file_positions_for_non_load_sections): When setting up PT_GNU_RELRO header, don't require a corresponding PT_LOAD header that completely covers the relro region. ld/ * ldlang.c (lang_size_sections): Remove unneeded RELRO base adjust. Tidy comments. * ld.texinfo (DATA_SEGMENT_RELRO_END): Correct description. ld/testsuite/ * ld-x86-64/pr14207.d: Adjust
2014-01-10 10:41:46 +00:00
2014-01-10 Alan Modra <amodra@gmail.com>
* ld-x86-64/pr14207.d: Adjust.
Check if GNU_RELRO segment is is generated Fail if GNU_RELRO segment isn't generated, but should. * ld-elf/binutils.exp (binutils_test): Check if GNU_RELRO segment is generated.
2014-01-09 18:18:19 +00:00
2014-01-09 H.J. Lu <hongjiu.lu@intel.com>
* ld-elf/binutils.exp (binutils_test): Check if GNU_RELRO segment
is generated.
Add and use check_lto_shared_available 2014-01-09 Vidya Praveen <vidyapraveen@arm.com> * lib/ld-lib.exp (check_lto_shared_available): New check. * ld-plugin/lto.exp: Use check_lto_shared_available.
2014-01-09 17:01:53 +00:00
2014-01-09 Vidya Praveen <vidyapraveen@arm.com>
* lib/ld-lib.exp (check_lto_shared_available): New check.
* ld-plugin/lto.exp: Use check_lto_shared_available.
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.
2013-12-12 18:35:47 +00:00
2014-01-08 H.J. Lu <hongjiu.lu@intel.com>
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.
New Year - binutils ChangeLog rotation
2014-01-08 13:32:12 +00:00
For older changes see ChangeLog-2013
Split ChangeLog files.
2004-01-02 11:16:21 +00:00
New Year - binutils ChangeLog rotation
2014-01-08 13:32:12 +00:00
Copyright (C) 2014 Free Software Foundation, Inc.
Add copyright notices
2012-12-10 12:48:03 +00:00
Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright
notice and this notice are preserved.
Split ChangeLog files.
2004-01-02 11:16:21 +00:00
Local Variables:
mode: change-log
left-margin: 8
fill-column: 74
version-control: never
End:
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