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2016-03-18Automatic date update in version.inGDB Administrator1-1/+1
2016-03-17Automatic date update in version.inGDB Administrator1-1/+1
2016-03-16Automatic date update in version.inGDB Administrator1-1/+1
2016-03-15Bind defined symbol locally in PIEH.J. Lu3-6/+17
Symbols defined in PIE should be bound locally, the same as -shared -Bsymbolic. bfd/ PR ld/19827 * elf32-i386.c (elf_i386_check_relocs): Bind defined symbol locally in PIE. (elf_i386_relocate_section): Likewise. * elf64-x86-64.c (elf_x86_64_check_relocs): Likewise. (elf_x86_64_relocate_section): Likewise. ld/ PR ld/19827 * testsuite/ld-i386/i386.exp: Run PR ld/19827 tests. * testsuite/ld-x86-64/x86-64.exp: Likewise. * testsuite/ld-i386/pr19827.rd: New file. * testsuite/ld-i386/pr19827a.S: Likewise. * testsuite/ld-i386/pr19827b.S: Likewise. * testsuite/ld-x86-64/pr19827.rd: Likewise. * testsuite/ld-x86-64/pr19827a.S: Likewise. * testsuite/ld-x86-64/pr19827b.S: Likewise.
2016-03-15Add -z noreloc-overflow option to x86-64 ldH.J. Lu2-4/+17
Add -z noreloc-overflow command-line option to the x86-64 ELF linker to disable relocation overflow check. This can be used to avoid relocation overflow check if there will be no dynamic relocation overflow at run-time. bfd/ PR ld/19807 * elf64-x86-64.c (elf_x86_64_relocate_section): Check no_reloc_overflow_check to diable R_X86_64_32/R_X86_64_32S relocation overflow check. include/ PR ld/19807 * bfdlink.h (bfd_link_info): Add no_reloc_overflow_check. ld/ PR ld/19807 * Makefile.am (ELF_X86_DEPS): Add $(srcdir)/emulparams/reloc_overflow.sh. * Makefile.in: Regenerated. * NEWS: Mention -z noreloc-overflow. * ld.texinfo: Document -z noreloc-overflow. * emulparams/elf32_x86_64.sh: Source ${srcdir}/emulparams/reloc_overflow.sh. * emulparams/elf_x86_64.sh: Likewise. * emulparams/reloc_overflow.sh: New file. * testsuite/ld-x86-64/pr19807-1.s: New file. * testsuite/ld-x86-64/pr19807-1a.d: Likewise. * testsuite/ld-x86-64/pr19807-1b.d: Likewise. * testsuite/ld-x86-64/pr19807-2.s: Likewise. * testsuite/ld-x86-64/pr19807-2a.d: Likewise. * testsuite/ld-x86-64/pr19807-2b.d: Likewise. * testsuite/ld-x86-64/pr19807-2c.d: Likewise. * testsuite/ld-x86-64/pr19807-2d.d: Likewise. * testsuite/ld-x86-64/pr19807-2e.d: Likewise. * testsuite/ld-x86-64/x86-64.exp: Run PR ld/19807 tests.
2016-03-15Automatic date update in version.inGDB Administrator1-1/+1
2016-03-14Regenerate bfd-in2.hH.J. Lu2-1/+5
* bfd-in2.h: Regenerated.
2016-03-14Automatic date update in version.inGDB Administrator1-1/+1
2016-03-13Automatic date update in version.inGDB Administrator1-1/+1
2016-03-12Automatic date update in version.inGDB Administrator1-1/+1
2016-03-11Fix some places where octet to byte conversions are needed.Dan Gissel6-19/+60
PR 19713 * elf.c (_bfd_elf_section_offset): Ensure that the returned offset uses bytes not octets. * elflink.c (resolve_section): Likewise. Add a bfd parameter. (eval_section): Pass the input_bfd to resolve_section. (bfd_elf_perform_complex_relocation): Convert byte offset to octets before read and writing values. (elf_link_input_bfd): Add byte to octet conversions. (elf_reloc_link_order): Likewise. (elf_fixup_link_order): Likewise. (bfd_elf_final_link): Likewise. * reloc.c (_bfd_final_link_relocate): Likewise. * syms.c (_bfd_stab_section_find_nearest_line): Likewise.
2016-03-11Automatic date update in version.inGDB Administrator1-1/+1
2016-03-10Mark the i370 target as obsolete.Nick Clifton2-0/+6
* config.bfd: Mark the i370 target as obsolete.
2016-03-10Automatic date update in version.inGDB Administrator1-1/+1
2016-03-09Fix v850 bfd arch info printable namesPedro Alves3-2/+9
Currently, it's not possible to manually set some of the v850 archs in gdb: (gdb) set architecture v850<TAB> v850 (using old gcc ABI) v850-rh850 v850e v850e (using old gcc ABI) v850e1 [...] (gdb) set architecture v850 (using old gcc ABI) Ambiguous item "v850 (using old gcc ABI)". The problem is that "set architecture" is a GDB "enum command", and GDB only considers an enum value to be the string up until the first space. So writing "v850 (using old gcc ABI)" is the same as writing "v850", and then that's not an unambiguous arch printable name prefix. v850 is actually the only arch that has spaces in its printable name. One can conveniently see that with e.g.: (gdb) set max-completions unlimited (gdb) complete set architecture ... Rather than hack GDB into accepting this somehow, make v850 arch printable names more like the printable names of the other archs, and put the abi variant in the "machine" part, after a ':'. We now get: (gdb) set architecture v850<TAB> v850:old-gcc-abi v850:rh850 v850e v850e1 v850e1:old-gcc-abi v850e2 v850e2:old-gcc-abi [...] And now "set architecture v850:old-gcc-abi" works as expected. I ran the binutils/gas/ld testsuites, and found no regressions. I don't have a cross compiler handy, but I ran the gdb tests anyway, which covers at least some snoke testing. I think that the OUTPUT_ARCH in ld/scripttempl/v850.sc may have got broken with the previous 2012 change, since I hacked v850_rh850.sc to output "v850" and ld failed to grok it. I think it only works if the old GCC ABI is the configured v850 default ABI. That's now fixed by changing to use explicit v850:old-gcc-abi. Also, this actually "fixes" an existing GDB test, which isn't likewise expecting spaces in arch names, when GDB is configured for --target=v850: (gdb) FAIL: gdb.xml/tdesc-arch.exp: read valid architectures bfd/ChangeLog: 2016-03-09 Pedro Alves <palves@redhat.com> * cpu-v850.c (N): Append ":old-gcc-abi" instead of " (using old gcc ABI)" to printable name. * cpu-v850_rh850.c (bfd_v850_rh850_arch): Use "v850:rh850" instead of "v850-rh850" as printable name. ld/ChangeLog: 2016-03-09 Pedro Alves <palves@redhat.com> * scripttempl/v850.sc: Use "v850:old-gcc-abi" as OUTPUT_ARCH. * scripttempl/v850_rh850.sc: Use "v850:rh850" as OUTPUT_ARCH.
2016-03-09For COFF and COFF/PE targets, skip relocations against absolute symbols.Leon Winter2-0/+12
PR ld/19623 * cofflink.c (_bfd_coff_generic_relocate_section): Do not apply relocations against absolute symbols.
2016-03-09Allow zero length archive elementsAlan Modra2-1/+7
PR binutils/19775 * coff-alpha.c (alpha_ecoff_openr_next_archived_file): Allow zero length elements in the archive.
2016-03-08Don't create dynamic sections when relocatableH.J. Lu2-2/+8
Since dynamic sections aren't applicable to relocatable file, don't create dynamic sections for -E/--dynamic-list when relocatable. bfd/ PR ld/19789 * elflink.c (elf_link_add_object_symbols): Create dynamic sections for -E/--dynamic-list only when not relocatable. ld/ PR ld/19789 * testsuite/ld-elf/pr19789.d: New file. * testsuite/ld-elf/pr19789.s: Likewise.
2016-03-09Automatic date update in version.inGDB Administrator1-1/+1
2016-03-08Handle local IFUNC symbols in shared objectH.J. Lu3-2/+25
Increment PLT reference count for locally defined local IFUNC symbols in shared object since STT_GNU_IFUNC symbol must go through PLT even if it is locally defined and undefined symbol may turn out to be a STT_GNU_IFUNC symbol later. bfd/ PR ld/19784 * elf32-i386.c (elf_i386_check_relocs): Increment PLT reference count for locally defined local IFUNC symbols in shared object. * elf64-x86-64.c (elf_x86_64_check_relocs): Likewise. ld/ PR ld/19784 * testsuite/ld-i386/i386.exp: Remove pr19636-2e-nacl test. * testsuite/ld-i386/pr19636-2e-nacl.d: Moved to ... * testsuite/ld-i386/pr19636-2e.d: Here. Remove notarget. * testsuite/ld-ifunc/ifunc.exp: Run PR ld/19784 tests. * testsuite/ld-ifunc/pass.out: New file. * testsuite/ld-ifunc/pr19784a.c: Likewise. * testsuite/ld-ifunc/pr19784b.c: Likewise. * testsuite/ld-ifunc/pr19784c.c: Likewise.
2016-03-08Group common symbol checking togetherH.J. Lu2-6/+12
PR ld/19579 * elflink.c (_bfd_elf_merge_symbol): Group common symbol checking together.
2016-03-08[ARC] Allow non-instruction relocations within .text sectionsClaudiu Zissulescu2-45/+54
bfd/ 2016-03-08 Cupertino Miranda <Cupertino.Miranda@synopsys.com> Andrew Burgess <andrew.burgess@embecosm.com> * elf32-arc.c (arc_bfd_get_32): Becomes an alias for bfd_get_32. (arc_bfd_put_32): Becomes an alias for bfd_put_32. (arc_elf_howto_init): Added assert to validate relocations. (get_middle_endian_relocation): Delete. (middle_endian_convert): New function. (ME): Redefine, now does nothing. (IS_ME): New define. (arc_do_relocation): Extend the attached 'ARC_RELOC_HOWTO' definition to call middle_endian_convert. Add a new local variable and make use of this throughout. Added call to arc_bfd_get_8 and arc_bfd_put_8 for 8 bit relocations. gas/ 2016-03-08 Andrew Burgess <andrew.burgess@embecosm.com> * testsuite/gas/arc/inline-data-1.d: New file. * testsuite/gas/arc/inline-data-1.s: New file. include/ 2016-03-08 Cupertino Miranda <Cupertino.Miranda@synopsys.com> Andrew Burgess <andrew.burgess@embecosm.com> * elf/arc-reloc.def: Add a call to ME within the formula for each relocation that requires middle-endian correction.
2016-03-08Automatic date update in version.inGDB Administrator1-1/+1
2016-03-07Allow zero length archive elements.Nick Clifton2-1/+7
bfd PR binutils/19775 * archive.c (bfd_generic_openr_next_archived_file): Allow zero length elements in the archive. binutils PR binutils/19775 * testsuite/binutils-all/ar.exp (proc empty_archive): New proc. Run the new proc. * testsuite/binutils-all/empty: New, empty, file.
2016-03-07[AArch64] Create .got section if _GLOBAL_OFFSET_TABLE_ referencedJiong Wang2-0/+21
2016-03-07 Jiong Wang <jiong.wang@arm.com> bfd/ * elfnn-aarch64.c (elfNN_aarch64_check_relocs): Always create .got section if the symbol "_GLOBAL_OFFSET_TABLE_" referenced. ld/ * testsuite/ld-aarch64/implicit_got_section_1.s: New test source file. * testsuite/ld-aarch64/implicit_got_section_1.d: New test expected result. * testsuite/ld-aarch64/aarch64-elf.exp: Run new test.
2016-03-07Automatic date update in version.inGDB Administrator1-1/+1
2016-03-06Automatic date update in version.inGDB Administrator1-1/+1
2016-03-05Automatic date update in version.inGDB Administrator1-1/+1
2016-03-04Treat common symbol in executable as definitionH.J. Lu2-1/+11
Common symbol in executable is a definition, which overrides definition from shared objects. When linker sees a new definition from a shared object, the new dynamic definition should be overridden by the previous common symbol in executable. bfd/ PR ld/19579 * elflink.c (_bfd_elf_merge_symbol): Treat common symbol in executable as definition if the new definition comes from a shared library. ld/ PR ld/19579 * testsuite/ld-elf/pr19579a.c: New file. * testsuite/ld-elf/pr19579b.c: Likewise. * testsuite/ld-elf/shared.exp: Run PR ld/19579 test.
2016-03-04Automatic date update in version.inGDB Administrator1-1/+1
2016-03-03Automatic date update in version.inGDB Administrator1-1/+1
2016-03-02Regenerate bfd files.Alan Modra3-0/+7
* Makefile.in: Regenerate. * po/SRC-POTFILES.in: Regenerate.
2016-03-02Automatic date update in version.inGDB Administrator1-1/+1
2016-03-01Automatic date update in version.inGDB Administrator1-1/+1
2016-02-29[ARC] Local symbols relocation cleanupClaudiu Zissulescu2-0/+21
bfd/ 2016-02-29 Cupertino Miranda <cmiranda@synopsys.com> * elf32-arc.c (elf_arc_relocate_section): Added rules to fix the relocation addend when sections get merged. gas/ 2016-02-29 Cupertino Miranda <cmiranda@synopsys.com> Claudiu Zissulescu <Claudiu.Zissulescu@synopsys.com> * config/tc-arc.c (arc_extra_reloc): Change size to 0. (tc_arc_fix_adjustable): Changed default return value to 1. * testsuite/gas/arc/j.d: Updated expected symbol * testsuite/gas/arc/jl.d: Likewise * testsuite/gas/arc/relax-avoid1.d: Likewise * testsuite/gas/arc/st.d: Likewise ld/ 2016-02-29 Cupertino Miranda <cmiranda@synopsys.com> * testsuite/ld-elf/merge.d: Removed xfail for ARC. * testsuite/ld-elf/merge2.d: Likewise. * testsuite/ld-elf/merge3.d: Likewise.
2016-02-29[ARC] General fixes.Claudiu Zissulescu2-6/+29
bfd/ 2016-02-29 Cupertino Miranda <Cupertino.Miranda@synopsys.com> * elf32-arc.c (arc_elf_final_write_processing): Add condition to the flag change. (elf_arc_relocate_section): Fixes and conditions to support PIE. Assert for code sections dynamic relocs. gas/ 2016-02-29 Claudiu Zissulescu <Claudiu.Zissulescu@synopsys.com> * config/tc-arc.c: Enable code density instructions for ARC EM. ld/ 2016-02-29 Cupertino Miranda <Cupertino.Miranda@synopsys.com> * scripttempl/arclinux.sc: Force .tdata and .tbss to always be generated.
2016-02-29Automatic date update in version.inGDB Administrator1-1/+1
2016-02-28Automatic date update in version.inGDB Administrator1-1/+1
2016-02-27Automatic date update in version.inGDB Administrator1-1/+1
2016-02-26Add aarch64-*-rtems* targetJoel Sherrill1-1/+1
2016-02-26Add x86_64-*-rtems* targetJoel Sherrill1-1/+1
ld/configure.tgt: Also add stanza for x86_64-*-elf.
2016-02-26[BFD][AARCH64]Fix MOVW_SABS_G(0,1,2) relocation overflow check.Renlin Li2-3/+8
For these three relocations, 17 bit signed value should be used, instead of 16 bit. The bitsize field is changed from 16 to 17, this field in aarch64 backend is used for overflow check only. bfd/ 2016-02-26 Renlin Li <renlin.li@arm.com> * elfnn-aarch64.c (elfNN_aarch64_howto_table): Fix signed overflow check for MOVW_SABS_G0, MOVW_SABS_G1, MOVW_SABS_G2. ld/ 2016-02-26 Renlin Li <renlin.li@arm.com> * testsuite/ld-aarch64/aarch64-elf.exp: Run new testcases. * testsuite/ld-aarch64/emit-relocs-270.d: Update to use new boundary. * testsuite/ld-aarch64/emit-relocs-271.d: Likewise. * testsuite/ld-aarch64/emit-relocs-272.d: Likewise. * testsuite/ld-aarch64/emit-relocs-270-overflow.d: New. * testsuite/ld-aarch64/emit-relocs-270-overflow.s: New. * testsuite/ld-aarch64/emit-relocs-271-overflow.d: New. * testsuite/ld-aarch64/emit-relocs-271-overflow.s: New. * testsuite/ld-aarch64/emit-relocs-272-overflow.d: New. * testsuite/ld-aarch64/emit-relocs-272-overflow.s: New.
2016-02-26Optimize x86 GOT32X/GOTPCRELX relocationsH.J. Lu3-68/+204
R_386_GOT32X, R_X86_64_GOTPCRELX and R_X86_64_REX_GOTPCRELX relocations retrieve the symbol address via its GOT slot. If the symbol address is known at the link-time, we can use it directly by changing instruction encoding. Indirect branch can only be converted to PC relative direct branch. MOV can be changed to LEA or encoded differently with signed address. The subset of binary operations can be encoded only with signed address. If undefined weak symbol is resolved to zero link-time, we can use it as address. Zero addresss can't used with PC relative direct branch when PIC is true since the current PC is unknown. In 64-bit, 32-bit relocation for PC relatiave direct branch to zero may also overflow. If this optimization causes relocation overflow, --no-relax can be used to work around it. bfd/ PR ld/19609 * elf32-i386.c (elf_i386_convert_load): Convert to R_386_32 for load with locally bound symbols if PIC is false or there is no base register. Optimize branch to 0 if PIC is false. (elf_i386_relocate_section): Don't generate dynamic relocations against undefined weak symbols if PIC is false. * elf64-x86-64.c (elf_x86_64_convert_load): Disable optimization if we can't estimate relocation overflow with --no-relax. Convert to R_X86_64_32S/R_X86_64_32 for load with locally bound symbols if PIC is false. Optimize branch to 0 if PIC is false. (elf_x86_64_relocate_section): Don't generate dynamic relocations against undefined weak symbols if PIC is false. ld/ PR ld/19609 * testsuite/ld-i386/got1.dd: Updated. * testsuite/ld-i386/lea1c.d: Likewise. * testsuite/ld-i386/load1-nacl.d: Likewise. * testsuite/ld-i386/load1.d: Likewise. * testsuite/ld-i386/load4b.d: Likewise. * testsuite/ld-i386/load5b.d: Likewise. * testsuite/ld-i386/mov1b.d: Likewise. * testsuite/ld-x86-64/mov1b.d: Likewise. * testsuite/ld-x86-64/mov1d.d: Likewise. * testsuite/ld-ifunc/ifunc-21-i386.d: Likewise. * testsuite/ld-ifunc/ifunc-21-x86-64.d: Likewise. * testsuite/ld-ifunc/ifunc-22-i386.d: Likewise. * testsuite/ld-ifunc/ifunc-22-x86-64.d: Likewise. * testsuite/ld-x86-64/gotpcrel1.dd: Likewise. * testsuite/ld-x86-64/lea1a.d: Likewise. * testsuite/ld-x86-64/lea1b.d: Likewise. * testsuite/ld-x86-64/lea1c.d: Likewise. * testsuite/ld-x86-64/lea1d.d: Likewise. * testsuite/ld-x86-64/lea1e.d: Likewise. * testsuite/ld-x86-64/lea1f.d: Likewise. * testsuite/ld-x86-64/mov1b.d: Likewise. * testsuite/ld-x86-64/mov1d.d: Likewise. * testsuite/ld-x86-64/pr13082-3b.d: Likewise. * testsuite/ld-x86-64/pr13082-4b.d: Likewise. * testsuite/ld-x86-64/lea1.s: Add tests for 32-bit registers. * testsuite/ld-i386/pr19609-1.s: New file. * testsuite/ld-i386/pr19609-1a.d: Likewise. * testsuite/ld-i386/pr19609-1b.d: Likewise. * testsuite/ld-i386/pr19609-1c.d: Likewise. * testsuite/ld-i386/pr19609-1d.d: Likewise. * testsuite/ld-i386/pr19609-1e.d: Likewise. * testsuite/ld-i386/pr19609-1f.d: Likewise. * testsuite/ld-i386/pr19609-1g.d: Likewise. * testsuite/ld-i386/pr19609-1h.d: Likewise. * testsuite/ld-i386/pr19609-1i.d: Likewise. * testsuite/ld-i386/pr19609-2.s: Likewise. * testsuite/ld-i386/pr19609-2a.d: Likewise. * testsuite/ld-i386/pr19609-2b.d: Likewise. * testsuite/ld-i386/pr19609-2c.d: Likewise. * testsuite/ld-i386/undefweak.s: Likewise. * testsuite/ld-i386/undefweaka.d: Likewise. * testsuite/ld-i386/undefweakb.d: Likewise. * testsuite/ld-x86-64/pr13082-3c.d: Likewise. * testsuite/ld-x86-64/pr13082-3d.d: Likewise. * testsuite/ld-x86-64/pr19609-1.s: Likewise. * testsuite/ld-x86-64/pr19609-1a.d: Likewise. * testsuite/ld-x86-64/pr19609-1b.d: Likewise. * testsuite/ld-x86-64/pr19609-1c.d: Likewise. * testsuite/ld-x86-64/pr19609-1d.d: Likewise. * testsuite/ld-x86-64/pr19609-1e.d: Likewise. * testsuite/ld-x86-64/pr19609-1f.d: Likewise. * testsuite/ld-x86-64/pr19609-1g.d: Likewise. * testsuite/ld-x86-64/pr19609-1h.d: Likewise. * testsuite/ld-x86-64/pr19609-1i.d: Likewise. * testsuite/ld-x86-64/pr19609-1j.d: Likewise. * testsuite/ld-x86-64/pr19609-1k.d: Likewise. * testsuite/ld-x86-64/pr19609-1l.d: Likewise. * testsuite/ld-x86-64/pr19609-1m.d: Likewise. * testsuite/ld-x86-64/pr19609-2.s: Likewise. * testsuite/ld-x86-64/pr19609-2a.d: Likewise. * testsuite/ld-x86-64/pr19609-2b.d: Likewise. * testsuite/ld-x86-64/pr19609-2c.d: Likewise. * testsuite/ld-x86-64/pr19609-2d.d: Likewise. * testsuite/ld-x86-64/pr19609-3.s: Likewise. * testsuite/ld-x86-64/pr19609-3a.d: Likewise. * testsuite/ld-x86-64/pr19609-3b.d: Likewise. * testsuite/ld-x86-64/pr19609-4.s: Likewise. * testsuite/ld-x86-64/pr19609-4a.d: Likewise. * testsuite/ld-x86-64/pr19609-4b.d: Likewise. * testsuite/ld-x86-64/pr19609-4c.d: Likewise. * testsuite/ld-x86-64/pr19609-4d.d: Likewise. * testsuite/ld-x86-64/pr19609-4e.d: Likewise. * testsuite/ld-x86-64/pr19609-5.s: Likewise. * testsuite/ld-x86-64/pr19609-5a.d: Likewise. * testsuite/ld-x86-64/pr19609-5b.d: Likewise. * testsuite/ld-x86-64/pr19609-5c.d: Likewise. * testsuite/ld-x86-64/pr19609-5d.d: Likewise. * testsuite/ld-x86-64/pr19609-5e.d: Likewise. * testsuite/ld-x86-64/pr19609-6.s: Likewise. * testsuite/ld-x86-64/pr19609-6a.d: Likewise. * testsuite/ld-x86-64/pr19609-6b.d: Likewise. * testsuite/ld-x86-64/pr19609-6c.d: Likewise. * testsuite/ld-x86-64/pr19609-6d.d: Likewise. * testsuite/ld-x86-64/pr19609-7.s: Likewise. * testsuite/ld-x86-64/pr19609-7a.d: Likewise. * testsuite/ld-x86-64/pr19609-7b.d: Likewise. * testsuite/ld-x86-64/pr19609-7c.d: Likewise. * testsuite/ld-x86-64/pr19609-7d.d: Likewise. * testsuite/ld-i386/i386.exp: Run undefweak tests and tests for PR ld/19609. * testsuite/ld-x86-64/x86-64.exp: Run pr13082-3c, pr13082-3d and tests for PR ld/19609.
2016-02-26Add ChangeLog entries for PR ld/19645H.J. Lu1-0/+30
2016-02-26Properly implement STT_COMMONH.J. Lu10-85/+107
The BFD configure option, --enable-elf-stt-common, can't be to used to verify STT_COMMON implementation with the normal binutils build. Instead, this patch removes it from BFD. It adds --elf-stt-common=[no|yes] to ELF assembler/objcopy and adds -z common/-z nocommon to ld. A configure option, --enable-elf-stt-common, is added to gas to specify whether ELF assembler should generate common symbols with the STT_COMMON type by default. Since BSF_KEEP_G is never used, it is renamed to BSF_ELF_COMMON for ELF common symbols. bfd/ PR ld/19645 * bfd.c (bfd): Change flags to 20 bits. (BFD_CONVERT_ELF_COMMON): New. (BFD_USE_ELF_STT_COMMON): Likewise. (BFD_FLAGS_SAVED): Add BFD_CONVERT_ELF_COMMON and BFD_USE_ELF_STT_COMMON. (BFD_FLAGS_FOR_BFD_USE_MASK): Likewise. * configure.ac: Remove --enable-elf-stt-common. * elf.c (swap_out_syms): Choose STT_COMMON or STT_OBJECT for common symbol depending on BFD_CONVERT_ELF_COMMON and BFD_USE_ELF_STT_COMMON. * elfcode.h (elf_slurp_symbol_table): Set BSF_ELF_COMMON for STT_COMMON. * elflink.c (bfd_elf_link_mark_dynamic_symbol): Also check STT_COMMON. (elf_link_convert_common_type): New function. (elf_link_output_extsym): Choose STT_COMMON or STT_OBJECT for common symbol depending on BFD_CONVERT_ELF_COMMON and BFD_USE_ELF_STT_COMMON. Set sym.st_info after sym.st_shndx. * elfxx-target.h (TARGET_BIG_SYM): Add BFD_CONVERT_ELF_COMMON and BFD_USE_ELF_STT_COMMON to object_flags. (TARGET_LITTLE_SYM): Likewise. * syms.c (BSF_KEEP_G): Renamed to ... (BSF_ELF_COMMON): This. * bfd-in2.h: Regenerated. * config.in: Likewise. * configure: Likewise. binutils/ PR ld/19645 * NEWS: Mention --elf-stt-common= for objcopy. * doc/binutils.texi: Document --elf-stt-common= for objcopy. * objcopy.c (do_elf_stt_common): New. (command_line_switch): Add OPTION_ELF_STT_COMMON. (copy_options): Add --elf-stt-common=. (copy_usage): Add --elf-stt-common=. (copy_object): Also check do_elf_stt_common for ELF targets. (copy_file): Handle do_elf_stt_common. (copy_main): Handle OPTION_ELF_STT_COMMON. * readelf.c (apply_relocations): Support STT_COMMON. * testsuite/binutils-all/common-1.s: New file. * testsuite/binutils-all/common-1a.d: Likewise. * testsuite/binutils-all/common-1b.d: Likewise. * testsuite/binutils-all/common-1c.d: Likewise. * testsuite/binutils-all/common-1d.d: Likewise. * testsuite/binutils-all/common-1e.d: Likewise. * testsuite/binutils-all/common-1f.d: Likewise. * testsuite/binutils-all/common-2.s: Likewise. * testsuite/binutils-all/common-2a.d: Likewise. * testsuite/binutils-all/common-2b.d: Likewise. * testsuite/binutils-all/common-2c.d: Likewise. * testsuite/binutils-all/common-2d.d: Likewise. * testsuite/binutils-all/common-2e.d: Likewise. * testsuite/binutils-all/common-2f.d: Likewise. * testsuite/binutils-all/objcopy.exp (objcopy_test_elf_common_symbols): New proc. Run objcopy_test_elf_common_symbols for ELF targets gas/ PR ld/19645 * NEWS: Mention --enable-elf-stt-common and --elf-stt-common= for ELF assemblers. * as.c (flag_use_elf_stt_common): New. (show_usage): Add --elf-stt-common=. (option_values): Add OPTION_ELF_STT_COMMON. (std_longopts): Add --elf-stt-common=. (parse_args): Handle --elf-stt-common=. * as.h (flag_use_elf_stt_common): New. * config.in: Regenerated. * configure: Likewise. * configure.ac: Add --enable-elf-stt-common and define DEFAULT_GENERATE_ELF_STT_COMMON. * gas/write.c (write_object_file): Set BFD_CONVERT_ELF_COMMON and BFD_USE_ELF_STT_COMMON if flag_use_elf_stt_common is set. * doc/as.texinfo: Document --elf-stt-common=. * testsuite/gas/elf/common3.s: New file. * testsuite/gas/elf/common3a.d: Likewise. * testsuite/gas/elf/common3b.d: Likewise. * testsuite/gas/elf/common4.s: Likewise. * testsuite/gas/elf/common4a.d: Likewise. * testsuite/gas/elf/common4b.d: Likewise. * testsuite/gas/i386/dw2-compress-3b.d: Likewise. * testsuite/gas/i386/dw2-compressed-3b.d: Likewise. * testsuite/gas/elf/elf.exp: Run common3a, common3b, common4a and common4b. * testsuite/gas/i386/dw2-compress-3.d: Renamed to ... * testsuite/gas/i386/dw2-compress-3a.d: This. Pass --elf-stt-common=no to as. * testsuite/gas/i386/dw2-compressed-3.d: Renamed to ... * testsuite/gas/i386/dw2-compressed-3a.d: This. Pass --elf-stt-common=no to as. * testsuite/gas/i386/i386.exp: Run dw2-compress-3a, dw2-compress-3b, dw2-compressed-3a and dw2-compressed-3b instead of dw2-compress-3 and dw2-compressed-3. include/ PR ld/19645 * bfdlink.h (bfd_link_elf_stt_common): New enum. (bfd_link_info): Add elf_stt_common. ld/ PR ld/19645 * NEWS: Mention -z common/-z nocommon for ELF targets. * emultempl/elf32.em (gld${EMULATION_NAME}_handle_option): Handle -z common and -z nocommon. * ld.texinfo: Document -z common/-z nocommon. * lexsup.c (elf_shlib_list_options): Add -z common/-z nocommon. * testsuite/ld-elf/tls_common.exp: Test --elf-stt-common=no and --elf-stt-common=yes with assembler. * testsuite/ld-elfcomm/common-1.s: New file. * testsuite/ld-elfcomm/common-1a.d: Likewise. * testsuite/ld-elfcomm/common-1b.d: Likewise. * testsuite/ld-elfcomm/common-1c.d: Likewise. * testsuite/ld-elfcomm/common-1d.d: Likewise. * testsuite/ld-elfcomm/common-1e.d: Likewise. * testsuite/ld-elfcomm/common-1f.d: Likewise. * testsuite/ld-elfcomm/common-2.s: Likewise. * testsuite/ld-elfcomm/common-2a.d: Likewise. * testsuite/ld-elfcomm/common-2b.d: Likewise. * testsuite/ld-elfcomm/common-2c.d: Likewise. * testsuite/ld-elfcomm/common-2d.d: Likewise. * testsuite/ld-elfcomm/common-2e.d: Likewise. * testsuite/ld-elfcomm/common-2f.d: Likewise. * testsuite/ld-elfcomm/common-3a.rd: Likewise. * testsuite/ld-elfcomm/common-3b.rd: Likewise. * testsuite/ld-i386/pr19645.d: Likewise. * testsuite/ld-i386/pr19645.s: Likewise. * testsuite/ld-x86-64/largecomm-1.s: Likewise. * testsuite/ld-x86-64/largecomm-1a.d: Likewise. * testsuite/ld-x86-64/largecomm-1b.d: Likewise. * testsuite/ld-x86-64/largecomm-1c.d: Likewise. * testsuite/ld-x86-64/largecomm-1d.d: Likewise. * testsuite/ld-x86-64/largecomm-1e.d: Likewise. * testsuite/ld-x86-64/largecomm-1f.d: Likewise. * testsuite/ld-x86-64/pr19645.d: Likewise. * testsuite/ld-x86-64/pr19645.s: Likewise. * testsuite/ld-elfcomm/elfcomm.exp: Test --elf-stt-common=yes with assembler. (assembler_generates_commons): Removed. Run -z common/-z nocommon tests. Run *.d tests. * testsuite/ld-i386/i386.exp: Run pr19645. * testsuite/ld-x86-64/x86-64.exp: Likewise. * testsuite/ld-x86-64/dwarfreloc.exp: Test --elf-stt-common with assembler. Test STT_COMMON with readelf.
2016-02-26[x86] Resolve non-PIC undefweak symbols in executableH.J. Lu3-157/+502
For i386 and x86-64, non-PIC references to undefined weak symbols are resolved without dynamic relocation when creating executable. Resolved undefined weak symbols are removed from the dynamic symbol table in executable. One exception is on i386, we need resolved undefined weak symbols in the dynamic symbol table in PIE if input relocatable files contain branchs without PLT so that we can branch to 0 with dynamic relocation in text section. This makes behaviors of dynamic executable and position independent executable predictable with mixed PIC and non-PIC references to undefined weak symbols. If all references to undefined weak symbols are PIC, dynamic relocations against undefined weak symbols will be generated in executable unless -z nodynamic-undefined-weak is passed to linker. bfd/ PR ld/19636 PR ld/19704 PR ld/19719 * elf32-i386.c (UNDEFINED_WEAK_RESOLVED_TO_ZERO): New. (elf_i386_link_hash_entry): Add has_got_reloc and has_non_got_reloc. (elf_i386_link_hash_table): Add interp. (elf_i386_link_hash_newfunc): Initialize has_got_reloc and has_non_got_reloc. (elf_i386_copy_indirect_symbol): Copy has_got_reloc and has_non_got_reloc. (elf_i386_check_relocs): Set has_got_reloc and has_non_got_reloc. (elf_i386_fixup_symbol): New function. (elf_i386_pie_finish_undefweak_symbol): Likewise. (elf_i386_allocate_dynrelocs): Don't allocate space for dynamic relocations and discard relocations against resolved undefined weak symbols in executable. Don't make resolved undefined weak symbols in executable dynamic. Keep dynamic non-GOT/non-PLT relocation against undefined weak symbols in PIE. (elf_i386_size_dynamic_sections): Set interp to .interp section. (elf_i386_relocate_section): Don't generate dynamic relocations against resolved undefined weak symbols in PIE, except for R_386_PC32. (elf_i386_finish_dynamic_symbol): Keep PLT/GOT entries without dynamic PLT/GOT relocations for resolved undefined weak symbols. Don't generate dynamic relocation against resolved undefined weak symbol in executable. (elf_i386_finish_dynamic_sections): Call elf_i386_pie_finish_undefweak_symbol on all symbols in PIE. (elf_backend_fixup_symbol): New. * elf64-x86-64.c (UNDEFINED_WEAK_RESOLVED_TO_ZERO): New. (elf_x86_64_link_hash_entry): Add has_got_reloc and has_non_got_reloc. (elf_x86_64_link_hash_table): Add interp. (elf_x86_64_link_hash_newfunc): Initialize has_got_reloc and has_non_got_reloc. (elf_x86_64_copy_indirect_symbol): Copy has_got_reloc and has_non_got_reloc. (elf_x86_64_check_relocs): Set has_got_reloc and has_non_got_reloc. (elf_x86_64_fixup_symbol): New function. (elf_x86_64_pie_finish_undefweak_symbol): Likewise. (elf_x86_64_allocate_dynrelocs): Don't allocate space for dynamic relocations and discard relocations against resolved undefined weak symbols in executable. Don't make resolved undefined weak symbols in executable dynamic. (elf_x86_64_size_dynamic_sections): Set interp to .interp section. (elf_x86_64_relocate_section): Check relocation overflow for dynamic relocations against unresolved weak undefined symbols. Don't generate dynamic relocations against resolved weak undefined symbols in PIE. (elf_x86_64_finish_dynamic_symbol): Keep PLT/GOT entries without dynamic PLT/GOT relocations for resolved undefined weak symbols. Don't generate dynamic relocation against resolved undefined weak symbol in executable. (elf_x86_64_finish_dynamic_sections): Call elf_x86_64_pie_finish_undefweak_symbol on all symbols in PIE. (elf_backend_fixup_symbol): New. include/ PR ld/19636 PR ld/19704 PR ld/19719 * bfdlink.h (bfd_link_info): Add dynamic_undefined_weak. ld/ PR ld/19636 PR ld/19704 PR ld/19719 * Makefile.am (ELF_X86_DEPS): Add dynamic_undefined_weak.sh. * Makefile.in: Regenerated. * NEWS: Mention -z nodynamic-undefined-weak. * ld.texinfo: Document -z nodynamic-undefined-weak. * ldmain.c (main): Initialize dynamic_undefined_weak to -1. * emulparams/dynamic_undefined_weak.sh: New file. * emulparams/elf32_x86_64.sh: Source dynamic_undefined_weak.sh. * emulparams/elf_i386.sh: Likewise. * emulparams/elf_i386_be.sh: Likewise. * emulparams/elf_i386_chaos.sh: Likewise. * emulparams/elf_i386_ldso.sh: Likewise. * emulparams/elf_i386_vxworks.sh: Likewise. * emulparams/elf_iamcu.sh: Likewise. * emulparams/elf_k1om.sh: Likewise. * emulparams/elf_l1om.sh: Likewise. * emulparams/elf_x86_64.sh: Likewise. * emulparams/extern_protected_data.sh (PARSE_AND_LIST_OPTIONS): Append. (PARSE_AND_LIST_ARGS_CASE_Z): Likewise. * testsuite/ld-elf/pr19719a.c: New file. * testsuite/ld-elf/pr19719b.c: Likewise. * testsuite/ld-elf/pr19719c.c: Likewise. * testsuite/ld-elf/pr19719d.c: Likewise. * testsuite/ld-i386/pr19636-1.s: Likewise. * testsuite/ld-i386/pr19636-1a.d: Likewise. * testsuite/ld-i386/pr19636-1b.d: Likewise. * testsuite/ld-i386/pr19636-1c.d: Likewise. * testsuite/ld-i386/pr19636-1d-nacl.d: Likewise. * testsuite/ld-i386/pr19636-1d.d: Likewise. * testsuite/ld-i386/pr19636-1e.d: Likewise. * testsuite/ld-i386/pr19636-1f.d: Likewise. * testsuite/ld-i386/pr19636-1g.d: Likewise. * testsuite/ld-i386/pr19636-1h.d: Likewise. * testsuite/ld-i386/pr19636-1i.d: Likewise. * testsuite/ld-i386/pr19636-2.s: Likewise. * testsuite/ld-i386/pr19636-2a.d: Likewise. * testsuite/ld-i386/pr19636-2b.d: Likewise. * testsuite/ld-i386/pr19636-2c-nacl.d: Likewise. * testsuite/ld-i386/pr19636-2c.d: Likewise. * testsuite/ld-i386/pr19636-2d-nacl.d: Likewise. * testsuite/ld-i386/pr19636-2d.d: Likewise. * testsuite/ld-i386/pr19636-2e-nacl.d: Likewise. * testsuite/ld-i386/pr19636-2e.d: Likewise. * testsuite/ld-i386/pr19636-3.s: Likewise. * testsuite/ld-i386/pr19636-3a.d: Likewise. * testsuite/ld-i386/pr19636-3b.d: Likewise. * testsuite/ld-i386/pr19636-3c.d: Likewise. * testsuite/ld-i386/pr19636-3d.d: Likewise. * testsuite/ld-i386/pr19636-3e.d: Likewise. * testsuite/ld-i386/pr19636-3f.d: Likewise. * testsuite/ld-i386/pr19636-3g.d: Likewise. * testsuite/ld-i386/pr19636-4.s: Likewise. * testsuite/ld-i386/pr19636-4a.d: Likewise. * testsuite/ld-i386/pr19636-4b.d: Likewise. * testsuite/ld-i386/pr19636-4c.d: Likewise. * testsuite/ld-i386/pr19636-4d.d: Likewise. * testsuite/ld-i386/pr19704.out: Likewise. * testsuite/ld-i386/pr19704a.c: Likewise. * testsuite/ld-i386/pr19704b.c: Likewise. * testsuite/ld-x86-64/pr19636-1.s: Likewise. * testsuite/ld-x86-64/pr19636-1a.d: Likewise. * testsuite/ld-x86-64/pr19636-1b.d: Likewise. * testsuite/ld-x86-64/pr19636-1c.d: Likewise. * testsuite/ld-x86-64/pr19636-1d.d: Likewise. * testsuite/ld-x86-64/pr19636-1e.d: Likewise. * testsuite/ld-x86-64/pr19636-1f.d: Likewise. * testsuite/ld-x86-64/pr19636-1g.d: Likewise. * testsuite/ld-x86-64/pr19636-2.s: Likewise. * testsuite/ld-x86-64/pr19636-2a.d: Likewise. * testsuite/ld-x86-64/pr19636-2b.d: Likewise. * testsuite/ld-x86-64/pr19636-2c.d: Likewise. * testsuite/ld-x86-64/pr19636-2d-nacl.d: Likewise. * testsuite/ld-x86-64/pr19636-2d.d: Likewise. * testsuite/ld-x86-64/pr19636-2e.d: Likewise. * testsuite/ld-x86-64/pr19636-2f.d: Likewise. * testsuite/ld-x86-64/pr19636-2g.d: Likewise. * testsuite/ld-x86-64/pr19636-2h.d: Likewise. * testsuite/ld-x86-64/pr19636-2i.d: Likewise. * testsuite/ld-x86-64/pr19636-3.s: Likewise. * testsuite/ld-x86-64/pr19636-3a.d: Likewise. * testsuite/ld-x86-64/pr19636-3b.d: Likewise. * testsuite/ld-x86-64/pr19636-3c.d: Likewise. * testsuite/ld-x86-64/pr19636-3d.d: Likewise. * testsuite/ld-x86-64/pr19704.out: Likewise. * testsuite/ld-x86-64/pr19704a.c: Likewise. * testsuite/ld-x86-64/pr19704b.c: Likewise. * testsuite/ld-elf/shared.exp (mix_pic_and_non_pic): New. Run mix_pic_and_non_pic. * testsuite/ld-i386/i386.exp (undefined_weak): New. Run undefined_weak and PR ld/19636 tests. * testsuite/ld-x86-64/x86-64.exp: Likewise. * testsuite/ld-x86-64/pr13082-3b.d: Updated. * testsuite/ld-x86-64/pr13082-4b.d: Likewise.
2016-02-26Fix powerpc64 -r --save-restore-funcsAlan Modra2-27/+40
* elf64-ppc.c (create_linkage_sections): Create sfpr when save_restore_funcs, rest of sections when not relocatable. (ppc64_elf_init_stub_bfd): Always call create_linkage_sections. (sfpr_define): Define all symbols on emitted code. (ppc64_elf_func_desc_adjust): Adjust for sfpr now being created when relocatable. Move sfpr_define loop earlier.
2016-02-26Automatic date update in version.inGDB Administrator1-1/+1
2016-02-25Add elf_x86_64_need_picH.J. Lu2-41/+49
Add elf_x86_64_need_pic and replace x86_64_elf_howto_table[r_type].name with howto->name. * elf64-x86-64.c (elf_x86_64_need_pic): New function. (elf_x86_64_relocate_section): Use it. Replace x86_64_elf_howto_table[r_type] with howto.
2016-02-25Automatic date update in version.inGDB Administrator1-1/+1
generated by cgit v1.1 at 2024-08-14 17:14:30 +0000