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* [AArch64] Implement branch over stub section.Marcus Shawcroft2015-03-305-48/+68
| | | | | | | | | | | | | Ensure that injection of a stub section does not break a link where there is an xpectation that flow of control can pass from one input section to another simply by linking the input sections in series. The solution here is to allow stub sections to be inserted after any input section (existing behaviour), but inject an additional branch at the start of each stub section such that control flow falling into the stub section will branch over the stub section. Change-Id: I8ccadcfb2f43e6409cb5a649087a47c0c8826b15
* [AArch64] Remove padding before stub sections.Marcus Shawcroft2015-03-302-2/+1
| | | | | | | Lower stub alignment from 8 to 4 bytes thus removing padding between input section content and stub section content. Change-Id: Ic3afff9bc2f013b4b47e181b269b40231385080a
* [AArch64] Adjust veneer count.Marcus Shawcroft2015-03-301-0/+2
| | | | Change-Id: Idc292f60196ed4bf417eb77acc239761666adb8b
* [AArch64] Factor out _bfd_aarch64_get_stub_for_link_section.Marcus Shawcroft2015-03-301-12/+18
| | | | Change-Id: Ib6171d8646bc0e825a5038c7087acc534a8612a9
* [AArch64] Refactor section_group[] representation.Marcus Shawcroft2015-03-301-12/+3
| | | | | | | | | | | | | Change the behaviour of section_group[] such that .stub_sec points to the stub section attached to the indexed section rather than the stub section attached to the link_section pointed to be the index section. This provides a mechanism to get to the stub section following any input section. While still allowing the section grouping mechanism to find the section group stub section associated with an input section by first following the link_sec pointer. Change-Id: I19bce3feea77bbc71c04f2d8b3a204c527a21d9a
* [AArch64] Refactor generation of 835769 workaround stubs.Marcus Shawcroft2015-03-301-104/+28
| | | | | | | | | | | | | | | | | This patch recognizes that we only need to perform one scan for the 835769 errata and that this scan can take place before we insert branch stubs. The erratum scan code is relocated and adjusted to create stub entries directly rather than populating an intermediate representation. Since stub entries are created immediately we can drop the adhoc stub size adjustment code and allow the generic stub sizing code to deal with 835769 stub entries. This patch restructures the code but does not change the workaround used to deal with erratum 83679, the exact placement of workaround stubs in the final image may change slightly after this patch due to stubs being created in a different order. Change-Id: I1ac3b2b7a8a5faf678a1e375f50f63ab6fd22d1f
* [AArch64] Use _bfd_aarch64_add_stub_entry_in_group.Marcus Shawcroft2015-03-301-15/+5
| | | | | | | | Adjust the 835769 workaround code to use _bfd_aarch64_add_stub_entry_in_group rather than inspect the underlying section_group structure directly. Change-Id: I26e7793af2a8bd6ab57c2b958cec12565d280a8f
* [OBV] Fix build -- missing ';'Keith Seitz2015-03-301-1/+1
| | | | | | | | | bfd/ChangeLog * elfnn-aarch64.c (_bfd_aarch64_create_or_find_stub_sec): Add missing ';'. Change-Id: I174cb391792c428521a9334eb166cdc8c979b12f
* Factor out _bfd_aarch64_erratum_835769_stub_nameMarcus Shawcroft2015-03-301-7/+11
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* [AArch64] Factor out _bfd_aarch64_resize_stubs()Marcus Shawcroft2015-03-301-12/+24
| | | | Change-Id: I3e92b1a8cf997ea7eb902bc38d5163cf919789e0
* [AArch64] Factor stub creation code into _bfd_aarch64_create_stub_section.Marcus Shawcroft2015-03-301-14/+23
| | | | Change-Id: I6f01f9c9c3a64ed8ed52486f0f6f66f66b85a317
* [AArch64] Factor out common behaviour between ↵Marcus Shawcroft2015-03-301-52/+32
| | | | | | elf_aarch64_create_or_find_stub_sec and elfNN_aarch64_add_stub Change-Id: I8e5ce0f4dd3aa322f97fa09d42c6f95e0d45118d
* [AArch64] Flip sense of erratum_835769_scan.Marcus Shawcroft2015-03-301-8/+13
| | | | Change-Id: Ia79975e3ce9f1eca6ae092b4c9e2d92168fde1a0
* [AArch64] Drop unused argument to elf_aarch64_create_or_find_stub_secMarcus Shawcroft2015-03-301-10/+5
| | | | Change-Id: I0454073cfad254ee5e28c5d597d615abdef9331d
* [AArch64] Remove unused variable.Marcus Shawcroft2015-03-301-3/+2
| | | | Change-Id: I5e0be2e412d13fe4a5d738d7949bfb11909783d0
* Remove dead code.Marcus Shawcroft2015-03-301-16/+0
| | | | Change-Id: Iea5ae8c19790beebc6188b094895cbe7c7c221c5
* [AARCH64] Remove Load/Store register (unscaled immediate) alias.Jiong Wang2015-03-307-689/+629
| | | | | | | | | | | | | | | | | | | | | | | opcodes/ChangeLog: 2015-03-10 Renlin Li <renlin.li@arm.com> * aarch64-tbl.h (aarch64_opcode_table): Remove strub, ldurb, ldursb, stur, ldur, sturh, ldurh, ldursh, ldursw, prfum F_HAS_ALIAS flag and related alias. * aarch64-asm-2.c: Regenerate. * aarch64-dis-2.c: Likewise. * aarch64-opc-2.c: Likewise. gas/testsuite/ChangeLog: 2015-03-10 Renlin Li <renlin.li@arm.com> * gas/aarch64/ldst-reg-uns-imm.d: Adjust expected output. * gas/aarch64/ldst-reg-unscaled-imm.d: Likewise. * gas/aarch64/reloc-insn.d: Likewise. Change-Id: Ifdaa84564771ef57093943c5778e80570ec04af4
* [AArch64] Removing unused functions.Marcus Shawcroft2015-03-301-42/+0
| | | | | | Removing a group of unused functions from the AArch64 BFD backend. Change-Id: I9dc2a43084f21ee2771d26d32e1a26692018bb5c
* Fixed Cortex-A53 Erratum 835769 -- LD segfaults with unordered maps.Tejas Belagod2015-03-301-0/+27
| | | | | | | | | | | | | | | | | | | The BFD/LD patch for Cortex-A53 erratum 835769 (https://sourceware.org/ml/binutils/2014-10/msg00199.html) does not handle a particular case of the AArch64 ELF ABI where mapping symbols are allowed to be unordered in the symbol table (not in address order). The unordering causes section maps to be traversed with incorrect span boundaries (in the erratum scanning function) which causes memory faults. The attached patch fixes this issue by ordering the section maps by their 'vma' before starting to traverse them. While this is not an issue with a the GNU toolchain, it is a potential issue with Clang/LLVM. We have observed at least one case where LLVM generates an ELF object with mapping symbols unordered in the symbol table and causes a fault. We have been unable to construct a test case with the GNU toolchain. We have verified by manual inspection the correctness of the traversal with this patch for an LLVM-generated ELF object which triggered this issue. This patch has been bootstrapped on aarch64-linux and regressed.
* Backport to fix race condition calling select_as_default_target()Andrew Hsieh2015-03-301-1/+1
| | | | | | | | | | | 2015-03-03 Cary Coutant <ccoutant@google.com> gold/ * parameters.cc (Parameters::set_target_once): Call Target::select_as_default_target just once from here... (set_parameters_target): ...instead of from here. Change-Id: Ic4b1503b1bb453b9812188e0a98482bc489d9197
* Fix buildAndrew Hsieh2015-03-025-2/+39
| | | | | | | | 1. revert https://android-review.googlesource.com/#/c/38591. 2. add a few constants from ToT 3. fix a typo about pthread_mutexattr_settype Change-Id: I55a829e7907658f920aedbf1100c6d9b1a93052b
* Update binutils-2.25/gold to ToTAndrew Hsieh2015-02-24404-1160/+5554
| | | | | | | | | | | | | commit be66981e1605eff305ac9c561825f4bd6801fca2 Author: H.J. Lu <hjl.tools@gmail.com> Date: Sun Feb 22 05:18:50 2015 -0800 Set GOLD_DEFAULT_SIZE to 32 for x32 * configure.ac (default_size): Set to 32 for x32. * configure: Regenerated. Change-Id: I4b2d8927e4e41cf2fac3c92d00e8aef69b5ce21f
* [2.24][2.25] Fix race condition causing assertRong Xu2015-02-185-12/+7
| | | | | | | | | | | | | | | | | | | | | | | Backport trunk commit 635aa that fixes race condition causing assert in Eh_frame_hdr::do_sized_write(). 2014-09-23 Taiju Tsuiki <tzik@google.com> Cary Coutant <ccoutant@google.com> gold/ * gold.cc (queue_final_tasks): Add Write_sections_task as a * blocker on input_sections_blocker. * layout.cc (Write_sections_task::locks): Unblock input_sections_blocker_. * layout.h (Write_sections_task::Write_sections_task): Add input_sections_blocker. * testsuite/Makefile.am (exception_x86_64_bnd_test): Add * gcctestdir/ld to DEPENDENCIES. * testsuite/Makefile.in: Regenerate. Change-Id: I17a0f2aaf565b775f92f4806c4abcbea5d2dd803
* Add support for the new tag DT_MIPS_RLD_MAP2.Nikola Veljkovic2014-12-253-3/+34
| | | | | | | DT_MIPS_RLD_MAP2 is used by the loader to communicate shared library information of a PIE to the GDB. Signed-off-by: Raghu Gandham <raghu.gandham@imgtec.com>
* Add MIPS specific changes to binutils 2.25 (prerelease) for MIPSR6 bug fixes,Steve Ellcey2014-12-1825-51/+1488
| | | | MXU support, and a fix to needed by gdbserver.
* [2.25] Fix __preinit_array_start not aligned properly in 64-bit.Lai Wei-Chih2014-12-091-1/+1
| | | | | | | For 64-bit address space, it should be 8-bytes aligned. 'ALIGNMENT' will be expanded to '64 / 8' for 64-bit and '32 / 8' for 32-bit. Change-Id: Ide4cda93afae0535ccc30bff53c67b0d637a4198
* [2.25] re-apply local patchesAndrew Hsieh2014-12-099-38/+215
| | | | | | | | | | | e0bca373a85fa71b89d9ea42370433b3c0499b9d 160ce55a90bcdcb3000d74805795969edc3f8422 b33d0ddc123435be5e60ebb15a37b3bfb651dc7e f25603579c0a04b3d5099259cf54c5b3c8775b78 1000fadfaa979b623e1fbd0c87858be4f5b6dffd 83cabeb81083ac53719eaaf68c48734ff9c48fa9 Change-Id: I15f9c78c69f4cfce7a617b7e9d91dd855b6d8efc
* [2.25] sync to a30720e3e633f275250e26f85ccae5dbdddfb6c6Andrew Hsieh2014-12-094094-126235/+453678
| | | | | | | | | | | | local patches will be re-applied later commit a30720e3e633f275250e26f85ccae5dbdddfb6c6 Author: Alan Modra <amodra@gmail.com> Date: Wed Nov 19 10:30:16 2014 +1030 daily update Change-Id: Ieb2a3f4dd2ecb289ac5305ff08d428b2847494ab
* [2.24][2.25] Backport prevent user links ARM ELF binary into an AARCH64 ELF ↵Lai Wei-Chih2014-11-282-0/+9
| | | | | | | | | | | | | | | executable. Prevent the linker from generating a seg-fault when the user attempts to link an ARM ELF binary into an AARCH64 ELF executable. 2014-03-12 Nick Clifton <nickc@redhat.com> PR ld/16671 * elf32-arm.c (elf32_arm_add_symbol_hook): Check for ARM format before testing for vxworks. Change-Id: Ibc81a168b85f70422d428d857b8de0c71e2824ed
* [2.24][2.25] Fix __preinit_array_start not aligned properly in 64-bit.Lai Wei-Chih2014-08-141-1/+1
| | | | | | | For 64-bit address space, it should be 8-bytes aligned. 'ALIGNMENT' will be expanded to '64 / 8' for 64-bit and '32 / 8' for 32-bit. Change-Id: I7bbbf04a9b4e68a342201ec7c04f67497e3fa3a1
* [2.25] apply local patchesAndrew Hsieh2014-06-1311-69/+275
| | | | | | | | | | | | | | 7a17fb955bb42018c3c84e003700ac120c3502d4 b2a417bdb17191ef2afc20bbd308e308c0730403 e0bca373a85fa71b89d9ea42370433b3c0499b9d 57fbbfbda5a77b558c24a44e7eed8c4030c31bcd 160ce55a90bcdcb3000d74805795969edc3f8422 b33d0ddc123435be5e60ebb15a37b3bfb651dc7e f25603579c0a04b3d5099259cf54c5b3c8775b78 1000fadfaa979b623e1fbd0c87858be4f5b6dffd 83cabeb81083ac53719eaaf68c48734ff9c48fa9 Change-Id: I174be6632426ed720e643bca7c48a9077b31d34b
* Add upstream binutils-2.25 snapshot 4/4 2014Andrew Hsieh2014-06-1314861-0/+4637857
For MIPS -mmsa support Change-Id: I08c4f002fa7b33dec85ed75956e6ab551bb03c96
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