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2015-07-24Correct reloc section nameAlan Modra1-0/+6
* elf.c (_bfd_elf_assign_file_positions_for_non_load): Use .rela prefix for reloc section corresponding to rela section associated with renamed debug section.
2015-07-24bfd_get_section_by_name_if hash chain traversalAlan Modra1-0/+5
This function stops too soon, as I found when the hash chain happened to contain two .debug_macro sections and a .bss section: .debug_macro -> .bss -> .debug_macro * section.c (bfd_get_section_by_name_if): Iterate over entire hash chain.
2015-07-23Fix DT_MIPS_RLD_MAP_REL tag for n64 target and 32-bit host.Joseph Myers1-0/+6
For the case of MIPS n64 target and 32-bit host, the computation of the DT_MIPS_RLD_MAP_REL tag involves sdyn->output_section->vma + sdyn->output_offset (64-bit) being added to b (32-bit host pointer), so losing the high part and resulting in an incorrect DT_MIPS_RLD_MAP_REL tag, and all dynamically linked glibc tests failing for n64. This patch fixes this (spot-tested with glibc tests; however, I don't have a self-contained testcase for this bug). * elfxx-mips.c (_bfd_mips_elf_finish_dynamic_sections) <DT_MIPS_RLD_MAP_REL>: Add target address to host address difference, not to host pointer.
2015-07-22Fix ppc64 ELFv1 assertion failureAlan Modra1-0/+5
Bogus assembly can hit an assertion in opd_entry_value when the symbol referenced by a function descriptor is undefined. Worse, the code after the assert copies unitialised memory to return the code section. This uninitialised pointer can later be dereferencd, possibly causing a linker segmentation fault. * elf64-ppc.c (opd_entry_value): Remove assertion. Instead, return -1 if symbol referenced is not defined. Tidy.
2015-07-20Regen two filesAlan Modra1-0/+4
bfd/ * po/SRC-POTFILES.in: Regenerate. binutils/ * doc/Makefile.in: Regenerate.
2015-07-17[AArch64] Sort TLS reloc types alphabeticallyJiong Wang1-0/+5
2015-07-16[AArch64][3/3] LD support BFD_RELOC_AARCH64_TLSLD_ADR_PREL21Jiong Wang1-0/+12
2015-07-16[AArch64][2/3] GAS support BFD_RELOC_AARCH64_TLSLD_ADR_PREL21Jiong Wang1-0/+8
2015-07-10Properly convert objects between different ELF classesH.J. Lu1-0/+7
The output SHF_COMPRESSED section size is different from input if ELF classes of input and output aren't the same. We must adjust the section sizes as well as the compression headers in SHF_COMPRESSED sections when converting objects between different ELF classes. bfd/ PR binutils/18656 * bfd.c (bfd_convert_section_size): New function. (bfd_convert_section_contents): Likewise. * bfd-in2.h: Regenerated. binutils/ 2015-07-10 H.J. Lu <hongjiu.lu@intel.com> PR binutils/18656 * objcopy.c (setup_section): Call bfd_convert_section_size to get the output section size. (copy_section): Get the section size from the output section and call bfd_get_full_section_contents to convert section contents for output. binutils/testsuite/ PR binutils/18656 * binutils-all/compress.exp (convert_test): New proc. Run conversion tests between x86-64 and x32.
2015-07-092015-07-09 Catherine Moore <clm@codesourcery.com>Catherine Moore1-0/+6
* elflink.c (bfd_elf_size_dynamic_sections): Call to _bfd_elf_maybe_strip_eh_frame_hdr should be before bed->elf_backend_size_dynamic_sections.
2015-07-08Define DIFF_EXPR_OK for avr target to allow PC relative difference relocation.Denis Chertykov1-0/+4
When generating relocation (tc_gen_reloc) 32 bit relocation fixup is changed to new 32 bit PC relative relocation if the fixup has pc-relative flag set. bfd/ChangeLog 2015-07-06 Pitchumani Sivanupandi <pitchumani.s@atmel.com> * elf32-avr.c: Add 32 bit PC relative relocation for AVR target. gas/ChangeLog 2015-07-06 Pitchumani Sivanupandi <pitchumani.s@atmel.com> * config/tc-avr.c (tc_gen_reloc): Change 32 bit relocation to 32 bit PC relative and update offset if the fixup is pc-relative. * config/tc-avr.h (DIFF_EXPR_OK): Define to enable PC relative diff relocs. gas/testsuite/ChangeLog 2015-07-06 Pitchumani Sivanupandi <pitchumani.s@atmel.com> * gas/avr/pc-relative-reloc.d: New test for 32 bit pc relative reloc. * gas/avr/per-function-debugline.s: New test source. include/ChangeLog 2015-07-06 Pitchumani Sivanupandi <pitchumani.s@atmel.com> * elf/avr.h: Add new 32 bit PC relative relocation. ld/testsuite/ChangeLog 2015-07-06 Pitchumani Sivanupandi <pitchumani.s@atmel.com> * ld-avr/gc-section-debugline.d: New test. * ld-avr/per-function-debugline.s: Source for new test.
2015-07-06Remove the merge conflict introduced byH.J. Lu1-71/+0
commit 2f0c68f23bb3132cd5ac466ca8775c0d9e4960cd Author: Catherine Moore <clm@codesourcery.com> Date: Thu May 28 14:50:36 2015 -0700 Compact EH Support
2015-07-05Fix an opd->append index in elf64-ppc.cRichard Sandiford1-0/+6
bfd/ * elf64-ppc.c (toc_adjusting_stub_needed): Use the symbol value plus addend rather than the original st_value when looking up entries in opd->adjust. ld/testsuite/ * ld-powerpc/tocopt6-inc.s, ld-powerpc/tocopt6a.s, ld-powerpc/tocopt6b.s, ld-powerpc/tocopt6c.s, ld-powerpc/tocopt6.d: New test. * ld-powerpc/powerpc.exp (ppc64elftests): Add it.
2015-07-03Add experimental support for --gc-sections with COFF and PE based targets.Kai Tietz1-0/+29
PR ld/11539 bfd * coffcode.h (coff_bfd_gc_sections): Define default to bfd_coff_gc_sections function. * cofflink.c (init_reloc_cookie): Copy and adjust coff related code about gc-sections from elflink.c to here. (fini_reloc_cookie): Likewise. (init_reloc_cookie_rels): Likewise. (fini_reloc_cookie_rels): Likewise. (init_reloc_cookie_for_section): Likewise. (fini_reloc_cookie_for_section): Likewise. (_bfd_coff_gc_mark_hook): Likewise. (_bfd_coff_gc_mark_rsec): Likewise. (_bfd_coff_gc_mark_reloc): Likewise. (_bfd_coff_gc_mark): Likewise. (_bfd_coff_gc_mark_extra_sections): Likewise. (coff_gc_sweep_symbol_info): Likewise. (coff_gc_sweep_symbol): Likewise. (gc_sweep_hook_fn): Likewise. (coff_gc_sweep): Likewise. (bfd_coff_gc_sections): Likewise. (_bfd_coff_gc_keep): Likewise. * libcoff.h (coff_reloc_cookie): New struct. (bfd_coff_gc_sections): New prototype. (coff_gc_mark_hook_fn): New type. ld * scripttempl/pep.sc: Mark .idata*, .CRT*, .tls*, .rsrc*, .init, .ctor*, .dtor*, .fini, .jcr, .eh_frame, .pdata. .xdata, and .gcc_except_table sections as KEEP. * scripttempl/pe.sc: Likewise.
2015-07-01Relocations for Nios II R2Sandra Loosemore1-0/+35
2015-07-01 Sandra Loosemore <sandra@codesourcery.com> Cesar Philippidis <cesar@codesourcery.com> bfd/ * bfd-in2.h: Regenerated. * elf32-nios2.c (elf_nios2_howto_table_rel): Rename to... (elf_nios2_r1_howto_table_rel): This. (elf_nios2_r2_howto_table_rel): New. (BFD_IS_R2): New. (lookup_howto): Add ABFD parameter. Adjust to look up in either the R1 or R2 relocation table, as determined by ABFD. (nios2_reloc_map): Add R2 relocations. (nios2_elf32_bfd_reloc_type_lookup): Do lookup using lookup_howto. Pass it the ABFD parameter. (nios2_elf32_bfd_reloc_name_lookup): Use ABFD to decide whether to return an R1 or R2 relocation. (nios2_elf32_info_to_howto): Do lookup using lookup_howto. Pass it the ABFD parameter. (nios2_elf32_do_call26_relocate): Check for alignment on a 4-byte boundary. (nios2_elf32_relocate_section): Adjust call to lookup_howto. * libbfd.h: Regenerated. * reloc.c (BFD_RELOC_NIOS2_R2_S12): New. (BFD_RELOC_NIOS2_R2_I10_1_PCREL): New. (BFD_RELOC_NIOS2_R2_T1I7_1_PCREL): New. (BFD_RELOC_NIOS2_R2_T1I7_2): New. (BFD_RELOC_NIOS2_R2_T2I4): New. (BFD_RELOC_NIOS2_R2_T2I4_1): New. (BFD_RELOC_NIOS2_R2_T2I4_2): New. (BFD_RELOC_NIOS2_R2_X1I7_2): New. (BFD_RELOC_NIOS2_R2_X2L5): New. (BFD_RELOC_NIOS2_R2_F1I5_2): New. (BFD_RELOC_NIOS2_R2_L5I4X1): New. (BFD_RELOC_NIOS2_R2_T1X1I6): New. (BFD_RELOC_NIOS2_R2_T1X1I6_2): New. include/elf/ * nios2.h (R_NIOS2_R2_S12): New. (R_NIOS2_R2_I10_1_PCREL): New. (R_NIOS2_R2_T1I7_1_PCREL): New. (R_NIOS2_R2_T1I7_2): New. (R_NIOS2_R2_T2I4): New. (R_NIOS2_R2_T2I4_1): New. (R_NIOS2_R2_T2I4_2): New. (R_NIOS2_R2_X1I7_2): New. (R_NIOS2_R2_X2L5): New. (R_NIOS2_R2_F1I5_2): New. (R_NIOS2_R2_L5I4X1): New. (R_NIOS2_R2_T1X1I6): New. (R_NIOS2_R2_T1X1I6_2): New. (R_NIOS2_ILLEGAL): Renumber.
2015-07-01Add Nios II arch flags and compatibility testsSandra Loosemore1-0/+16
2015-07-01 Sandra Loosemore <sandra@codesourcery.com> Cesar Philippidis <cesar@codesourcery.com> bfd/ * archures.c (bfd_mach_nios2r1, bfd_mach_nios2r2): New. * bfd-in2.h: Regenerated. * cpu-nios2.c (nios2_compatible): New. (N): Use nios2_compatible instead of bfd_default_compatible. (NIOS2R1_NEXT, NIOS2R2_NEXT): Define. (arch_info_struct): New. (bfd_nios2_arch): Chain to NIOS2R1_NEXT. * elf32-nios2.c (is_nios2_elf): New. (nios2_elf32_merge_private_bfd_data): New. (nios2_elf32_object_p): New. (bfd_elf32_bfd_merge_private_bfd_data): Define. (elf_backend_object_p): Define. gas/ * config/tc-nios2.c: Adjust includes. (OPTION_MARCH): Define. (md_longopts): Add -march option. (nios2_architecture): New. (nios2_use_arch): New. (md_parse_option): Handle OPTION_MARCH. (md_show_usage): Document -march. (md_begin): Set arch in BFD. (nios2_elf_final_processing): New. * config/tc-nios2.h (elf_tc_final_processing): Define. (nios2_elf_final_processing): New. * doc/c-nios2.texi (-march): Add documentation. include/elf/ * nios2.h (EF_NIOS2_ARCH_R1, EF_NIOS2_ARCH_R2): Define. ld/testsuite/ * ld-nios2/mixed1a.d: New. * ld-nios2/mixed1a.s: New. * ld-nios2/mixed1b.d: New. * ld-nios2/mixed1b.s: New. * ld-nios2/nios2.exp: Build the new compatibility tests.
2015-07-01Refactor elf_x86_64_convert_mov_to_leaH.J. Lu1-0/+4
* elf64-x86-64.c (elf_x86_64_convert_mov_to_lea): Refactor.
2015-06-30This fixes parsing a file containing ELF attributes with very large tag values.Nick Clifton1-0/+17
PR binutils/18570 * elf-attrs.c (obj_attr_size): Use an unsigned int type for the tag. (write_obj_attribute): Likewise. (elf_new_obj_attr): Likewise. (bfd_elf_get_obj_attr_int): Likewise. (bfd_elf_add_obj_attr_int): Likewise. (bfd_elf_add_obj_attr_string): Likewise. (bfd_elf_add_obj_attr_int_string): Likewise. (gnu_obj_attrs_arg_type): Likewise. (_bfd_elf_obj_attrs_arg_type): Likewise. (_bfd_elf_parse_attributes): Likewise. (_bfd_elf_merge_unknown_attribute_list): Likewise. * elf-bfd.h (struct obj_attribute_list): Likewise. Update prototypes.
2015-06-28Remove COMPRESS_DEBUG_ZLIBH.J. Lu1-0/+6
COMPRESS_DEBUG_ZLIB isn't needed. This patch removes COMPRESS_DEBUG_ZLIB and replace COMPRESS_DEBUG_ZLIB with COMPRESS_DEBUG_GNU_ZLIB. bfd/ * bfd-in.h (compressed_debug_section_type): Remove COMPRESS_DEBUG_ZLIB. * bfd-in2.h : Regenerated. gas/ * as.c (parse_args): Replace COMPRESS_DEBUG_ZLIB with COMPRESS_DEBUG_GNU_ZLIB. * config/tc-i386.c (flag_compress_debug): Likewise. ld/ * emultempl/elf32.em (gld${EMULATION_NAME}_handle_option): Replace COMPRESS_DEBUG_ZLIB with COMPRESS_DEBUG_GNU_ZLIB.
2015-06-26Add support for DT_MIPS_RLD_MAP_REL.Matthew Fortune1-0/+8
This tag makes it possible to access the debug map when debugging position independent executables. bfd/ * elfxx-mips.c (_bfd_mips_elf_create_dynamic_sections): Use executable instead of !shared to indicate an application vs shared library. (_bfd_mips_elf_size_dynamic_sections): Likewise. (_bfd_mips_elf_finish_dynamic_sections): Handle DT_MIPS_RLD_MAP_REL. (_bfd_mips_elf_get_target_dtag): Likewise. binutils/ * readelf.c (get_mips_dynamic_type): Handle DT_MIPS_RLD_MAP_REL. include/ * elf/mips.h (DT_MIPS_RLD_MAP_REL): New macro. ld/testsuite/ * ld-mips-elf/pic-and-nonpic-3b.ad: Adjust for extra dynamic tag. * ld-mips-elf/pic-and-nonpic-4b.ad: Likewise. * ld-mips-elf/pic-and-nonpic-5b.ad: Likewise. * ld-mips-elf/pic-and-nonpic-6-n32.ad: Likewise. * ld-mips-elf/pic-and-nonpic-6-n64.ad: Likewise. * ld-mips-elf/pic-and-nonpic-6-o32.ad: Likewise. * ld-mips-elf/tlsdyn-o32-1.d: Likewise. * ld-mips-elf/tlsdyn-o32-1.got: Likewise. * ld-mips-elf/tlsdyn-o32-2.d: Likewise. * ld-mips-elf/tlsdyn-o32-2.got: Likewise. * ld-mips-elf/tlsdyn-o32-3.d: Likewise. * ld-mips-elf/tlsdyn-o32-3.got: Likewise. * ld-mips-elf/tlsdyn-o32.d: Likewise. * ld-mips-elf/tlsdyn-o32.got: Likewise. * ld-mips-elf/pie-n32.d: New file. * ld-mips-elf/pie-n64.d: Likewise. * ld-mips-elf/pie-o32.d: Likewise. * ld-mips-elf/pie.s: Likewise. * ld-mips-elf/mips-elf.exp: Add new tests.
2015-06-25Fix REL handling for MSP430DJ Delorie1-0/+5
* elf32-msp430.c (msp430_final_link_relocate): Fix comments. Fix REL loads to match RELA stores.
2015-06-25Don't set sh_size for .shstrtab twiceH.J. Lu1-0/+5
_bfd_elf_assign_file_positions_for_non_load will set the sh_size field for .shstrtab section. There is need to initialize it in _bfd_elf_compute_section_file_positions. * elf.c (_bfd_elf_compute_section_file_positions): Don't initialize sh_size for .shstrtab here.
2015-06-25Use strtab with GC and suffix merging for .strtabH.J. Lu1-0/+41
This patch uses ELF strtab with GC and suffix merging support to create ELF .strtab section. There is some small memory overhead to use ELF strtab: ==14928== HEAP SUMMARY: ==14928== in use at exit: 3,276,318 bytes in 679 blocks ==14928== total heap usage: 1,544 allocs, 865 frees, 15,259,146 bytes allocated vs. ==14936== HEAP SUMMARY: ==14936== in use at exit: 3,276,318 bytes in 679 blocks ==14936== total heap usage: 1,532 allocs, 853 frees, 15,026,402 bytes allocated when running: ./ld-new -m elf_x86_64 -o tmpdir/ld-partial.o -r ldgram.o ldlex-wrapper.o lexsup.o ldlang.o mri.o ldctor.o ldmain.o plugin.o ldwrite.o ldexp.o ldemul.o ldver.o ldmisc.o ldfile.o ldcref.o eelf_x86_64.o eelf32_x86_64.o eelf_i386.o eelf_iamcu.o ei386linux.o eelf_l1om.o eelf_k1om.o ldbuildid.o The results are [32] .strtab STRTAB 0+ 3beff8 00407a 00 0 0 1 vs [32] .strtab STRTAB 0+ 3beff8 0041d8 00 0 0 1 It reduces the .strtab size by 350 bytes, about 2% Saving on libc.so from glibc is much more since libc.so has many alias symbols with the same suffix. For x32 glibc, [82] .strtab STRTAB 0+ 81b348 0159e7 00 0 0 1 vs [82] .strtab STRTAB 0+ 81b8bc 019e72 00 0 0 1 It reduces the .strtab size by 17547 bytes, about 16%. bfd/ PR gas/18451 * elf-bfd.h (elf_sym_strtab): New. (elf_link_hash_table): Add strtabcount, strtabsize and strtab. (_bfd_elf_stringtab_init): Removed. * elf.c (_bfd_elf_stringtab_init): Removed. (_bfd_elf_compute_section_file_positions): Replace bfd_strtab_hash/_bfd_elf_stringtab_init/_bfd_stringtab_free/ _bfd_stringtab_size with elf_strtab_hash/_bfd_elf_strtab_init/_bfd_elf_strtab_free/ _bfd_elf_strtab_size. Use _bfd_elf_strtab_add, _bfd_elf_strtab_finalize and _bfd_elf_strtab_offset to get st_name. (swap_out_syms): Likewise. * elflink.c (elf_final_link_info): Replace bfd_strtab_hash with elf_strtab_hash. Remove symbuf, symbuf_count, symbuf_size and shndxbuf_size. (elf_link_flush_output_syms): Removed. (elf_link_output_sym): Renamed to ... (elf_link_output_symstrtab): This. Replace _bfd_stringtab_add with _bfd_elf_strtab_add. Don't flush symbols to the file nor swap out symbols. (elf_link_swap_symbols_out): New. (elf_link_output_extsym): Replace elf_link_output_sym with elf_link_output_symstrtab. (elf_link_input_bfd): Likewise. (elf_final_link_free): Replace _bfd_stringtab_free with _bfd_elf_strtab_free. Remove symbuf. (bfd_elf_final_link): Replace _bfd_elf_stringtab_init with _bfd_elf_strtab_init. Don't set symbuf, symbuf_count, symbuf_size nor shndxbuf_size. Initialize strtabsize and strtab. Initialize symshndxbuf to -1 when number of sections >= 64K. Replace elf_link_output_sym/elf_link_output_sym with elf_link_output_symstrtab/elf_link_output_symstrtab. Don't call elf_link_flush_output_syms. Call _bfd_elf_strtab_finalize and elf_link_swap_symbols_out. Replace _bfd_stringtab_size and _bfd_stringtab_emit with _bfd_elf_strtab_size and _bfd_elf_strtab_emit. gas/testsuite/ PR gas/18451 * gas/elf/elf.exp: Run strtab. * gas/elf/strtab.d: New file. * gas/elf/strtab.s: Likewise. ld/testsuite/ PR gas/18451 * ld-elf/strtab.d: New file. * ld-elf/strtab.s: Likewise.
2015-06-24Silence older GCC warningH.J. Lu1-0/+5
* elf64-x86-64.c (elf_x86_64_convert_mov_to_lea): Silence older GCC warning.
2015-06-24Keep .plt section and DT_PLTGOT for prelinkH.J. Lu1-0/+13
Since the .plt section and DT_PLTGOT are used by prelink to undo prelinking for dynamic relocations, we must keep them even if there is no PLT relocation. This patch reverted commit a3747075a. bfd/ * elf32-i386.c (elf_i386_allocate_dynrelocs): Always allocate space for the first .plt entry. (elf_i386_size_dynamic_sections): Always add DT_PLTGOT for .plt section. Add DT_PLTRELSZ, DT_PLTREL and DT_JMPREL only if there are PLT relocations. * elf64-x86-64.c (elf_x86_64_allocate_dynrelocs): Always allocate space for the first .plt entry. (elf_x86_64_size_dynamic_sections): Always add DT_PLTGOT for .plt section. Add DT_PLTRELSZ, DT_PLTREL and DT_JMPREL only if there are PLT relocations. ld/testsuite/ * ld-i386/i386.exp: Run pltgot-2 for Linux targets. * ld-x86-64/x86-64.exp: Likewise. * ld-i386/pltgot-1.d: Updated. * ld-x86-64/pltgot-1.d: Likewise. * ld-i386/pltgot-2.d: New file. * ld-x86-64/pltgot-2.d: Likewise.
2015-06-24Don't convert R_X86_64_GOTPCREL if it will overflowH.J. Lu1-0/+7
When converting "mov foo@GOTPCREL(%rip), %reg" to "lea foo(%rip), %reg" with R_X86_64_PC32 relocation, it may overflow if the target section is more than 2GB away. This patch estimates distance between mov instruction and the target section. We convert R_X86_64_GOTPCREL to R_X86_64_PC32 only if their distance is less than 2GB. PR ld/18591 * elf64-x86-64.c (elf_x86_64_convert_mov_to_lea): Don't convert R_X86_64_GOTPCREL to R_X86_64_PC32 if it will cause relocation overflow.
2015-06-23[AArch64] Generate DT_TEXTREL for relocation against read-only sectionJiong Wang1-0/+6
2015-06-23 Jiong Wang <jiong.wang@arm.com> bfd/ * elfnn-aarch64.c (aarch64_readonly_dynrelocs): New function. (elfNN_aarch64_size_dynamic_sections): Traverse hash table to check relocations against read-only sections. ld/testsuite/ * ld-aarch64/dt_textrel.s: New testcase. * ld-aarch64/dt_textrel.d: New expectation file. * ld-aarch64/aarch64-elf.exp: Run new testcase.
2015-06-18Fix the computation of the addends for an ARM_TLS_LE32 reloc.Nick Clifton1-0/+5
PR gas/18481 bfd * elf32-arm.c (R_ARM_TLS_LE32): Set the special function to NULL. gas * config/tc-arm.c (tc_gen_reloc): Include BFD_RELOC_ARM_TLS_LE32 in the same case as BFD_RELOC_ARM_TLS_IS32. tests * gas/arm/tls.s: Add tests of the tpoff pseudo with a local symbol. * gas/arm/tls.d: Update expected output.
2015-06-16Fix build when size_t is not available in bfd-in2.hJon Turney1-0/+5
bfd/ChangeLog: 2015-06-15 Jon Turney <jon.turney@dronecode.org.uk> * bfd.c: Change struct bfd_build_id to use bfd_size_type. * bfd-in2.h : Regenerate.
2015-06-16ppc476 linker workaround shared lib fixes againAlan Modra1-0/+5
Huh, I can't even write a binary search properly. bfd/ * elf32-ppc.c (ppc_elf_relocate_section): Correct binary search of dynamic relocs. ld/testsuite/ * ld-powerpc/ppc476-shared.s: Repeat dynamic reloc generating insns. * ld-powerpc/ppc476-shared.d: Update. * ld-powerpc/ppc476-shared2.d: Update.
2015-06-15Allow gdb to find debug symbols file by build-id for PE file format alsoJon Turney1-0/+12
This promotes BFD's struct elf_build_id to the generic struct bfd_build_id, populated when an ELF or PE BFD is read. gdb is updated to use that, and to use the build-id to find symbols for PE files also. There is currently no generic way to extract the build-id from an object file, perhaps an option to objdump to do this might make sense? On x86_64-pc-cygwin, gdb's sepdebug.exp changes: -# of unsupported tests 1 +# of expected passes 90 I don't seem to get consistent testsuite runs on i686-linux-gnu, but there don't appear to be any regressions. bfd/ChangeLog: 2015-06-10 Jon Turney <jon.turney@dronecode.org.uk> * elf-bfd.h : Remove struct elf_build_id. * bfd.c : Add struct bfd_build_id. * bfd-in2.h: Regenerate. * elf.c (elfobj_grok_gnu_build_id): Update to use bfd_build_id. * libpei.h: Add protoype and macros for bfd_XXi_slurp_codeview_record. * peXXigen.c (_bfd_XXi_slurp_codeview_record): Make public * peicode.h (pe_bfd_read_buildid): Add. (pe_bfd_object_p): Use pe_bfd_read_buildid(). gdb/ChangeLog: 2015-06-10 Jon Turney <jon.turney@dronecode.org.uk> * build-id.c: Don't include elf-bfd.h. (build_id_bfd_get): Use bfd_build_id. (build_id_verify): Ditto. * build-id.h: Ditto. (find_separate_debug_file_by_buildid): Ditto. * python/py-objfile.c: Don't include elf-bfd.h. (objfpy_get_build_id) Use bfd_build_id. (objfpy_build_id_matches, objfpy_lookup_objfile_by_build_id): Ditto. * coffread.c: Include build-id.h. (coff_symfile_read): Try find_separate_debug_file_by_buildid. gdb/doc/ChangeLog: 2015-06-10 Jon Turney <jon.turney@dronecode.org.uk> * gdb.texinfo (Separate Debug Files): Document that PE is also supported. gdb/testsuite/ChangeLog: 2015-06-10 Jon Turney <jon.turney@dronecode.org.uk> * gdb.base/sepdebug.exp: Add EXEEXT where needed. * lib/gdb.exp (get_build_id): Teach how to extract build-id from a PE file. * lib/future.exp (gdb_find_objdump): Add gdb_find_objdump. Signed-off-by: Jon Turney <jon.turney@dronecode.org.uk>
2015-06-15[AArch64] Gas add BFD_RELOC_AARCH64_LD64_GOTOFF_LO15 supportRenlin Li1-0/+8
2015-06-15 Renlin Li <renlin.li@arm.com> bfd/ * reloc.c (BFD_RELOC_AARCH64_LD64_GOTOFF_LO15): New entry. * elfnn-aarch64.c (elfNN_aarch64_howto_table): New entry for BFD_RELOC_AARCH64_LD64_GOTOFF_LO15. * bfd-in2.h: Regenerate. * libbfd.h: Regenerate. gas/ * config/tc-aarch64.c (reloc_table): New relocation modifier. (md_apply_fix): Support BFD_RELOC_AARCH64_LD64_GOTOFF_LO15. (aarch64_force_relocation): Ditto gas/testsuite/ * gas/aarch64/reloc-insn.s: Update test * gas/aarch64/reloc-insn.d: Update expected result.
2015-06-15DJGPP port of binutils broken due to 64 bit cygwin fixAlan Modra1-0/+6
* cofflink.c (_bfd_coff_generic_relocate_section): Revert 2014-03-26 change. Call _bfd_clear_contents for relocs against local and global symbols defined in discarded input sections.
2015-06-05Fixes computation of MSP430 SYM_DIFF relocs in very small sections.Nick Clifton1-0/+6
* elf32-msp430.c (rl78_sym_diff_handler): New function. (msp430_howto_table): Use the new function for the SYM_DIFF reloc. (msp430x_howto_table): Likewise.
2015-06-05ppc476 linker workaround shared lib fixesAlan Modra1-0/+6
When building a shared lib from non-PIC objects, we'll get dynamic text relocations. These need to move with any insns we move. Otherwise the dynamic reloc will modify the branch, resulting in crashes and other unpleasant behaviour. Also, ld -r --ppc476-workaround used with sufficiently aligned PIC objects needs a fix for emitted REL16 relocs. bfd/ * elf64-ppc.c (ppc_elf_relocate_section): Move dynamic text relocs with insns moved by --ppc476-workaround. Correct output of REL16 relocs. ld/testsuite/ * ld-powerpc/ppc476-shared.s, * ld-powerpc/ppc476-shared.lnk, * ld-powerpc/ppc476-shared.d, * ld-powerpc/ppc476-shared2.d: New tests. * ld-powerpc/powerpc.exp: Run them.
2015-06-01[AArch64] BFD support BFD_RELOC_AARCH64_LD32_GOTPAGE_LO14Jiong Wang1-0/+9
This patch add BFD_RELOC_AARCH64_LD32_GOTPAGE_LO14 relocation supoprt in bfd linker. 2015-06-01 Jiong Wang <jiong.wang@arm.com> bfd/ * elfnn-aarch64.c (aarch64_reloc_got_type): Support BFD_RELOC_AARCH64_LD32_GOTPAGE_LO14. (elfNN_aarch64_final_link_relocate): Ditto. (elfNN_aarch64_gc_swap_hook): Ditto. (elfNN_aarch64_check_relocs): Ditto. * elfxx-aarch64.c (_bfd_aarch64_elf_put_addend): Ditto. ld/testsuite/ * ld-aarch64/emit-relocs-28.s: New test file. * ld-aarch64/emit-relocs-28.d: Ditto. * ld-aarch64/aarch64-elf.exp: Run new test.
2015-06-01[AArch64] GAS support BFD_RELOC_AARCH64_LD32_GOTPAGE_LO14Jiong Wang1-0/+8
This patch add BFD_RELOC_AARCH64_LD32_GOTPAGE_LO14 support in Gas. The relocation modifier === :gotpage_lo14:symbol 2015-06-01 Jiong.Wang <jiong.wang@arm.com> bfd/ * reloc.c (BFD_RELOC_AARCH64_LD32_GOTPAGE_LO14): New entry. * bfd-in2.h: Regenerate. * libbfd.h: Regenerate. * elfnn-aarch64.c (elfNN_aarch64_howto_table): New entry for BFD_RELOC_AARCH64_LD32_GOTPAGE_LO14. gas/ * config/tc-aarch64.c (reloc_table): New relocation modifiers. (md_apply_fix): Support BFD_RELOC_AARCH64_LD32_GOTPAGE_LO14. (aarch64_force_relocation): Ditto. gas/testsuite/ * gas/aarch64/ilp32-basic.s: New testcase. * gas/aarch64/ilp32-basic.d: Ditto.
2015-06-01[AArch64] BFD_RELOC_AARCH64_TLSLE_ADD_LO12 should enable overflow checkJiong Wang1-0/+7
BFD_RELOC_AARCH64_TLSLE_ADD_LO12 is used to generate simplest one-instruction addressing for TLS LE model when tls size is smaller 4K. Linker need to make sure there is no TLS offset overflow. 2015-06-01 Jiong Wang <jiong.wang@arm.com> bfd/ * elfnn-aarch64.c (elfNN_aarch64_howto_table): Set overflow type to complain_overflow_unsigned for BFD_RELOC_AARCH64_TLSLE_ADD_LO12. * elfxx-aarch64.c (_bfd_aarch64_elf_resolve_relocation): Don't use PGOFF for BFD_RELOC_AARCH64_TLSLE_ADD_LO12, that will mask off all potential high overflowed bits. ld/testsuite/ * ld-aarch64/tprel_add_lo12_overflow.s: New testcase. * ld-aarch64/tprel_add_lo12_overflow.d: Nex expectation file. * ld-aarch64/aarch64-elf.exp: Run new testcase.
2015-06-01[AArch64] BFD Support BFD_RELOC_AARCH64_LD64_GOTPAGE_LO15Jiong Wang1-0/+9
2015-06-01 Jiong Wang <jiong.wang@arm.com> bfd/ * elfnn-aarch64.c (aarch64_reloc_got_type): Support BFD_RELOC_AARCH64_LD64_GOTPAGE_LO15. (elfNN_aarch64_final_link_relocate): Ditto. (elfNN_aarch64_gc_swap_hook): Ditto. (elfNN_aarch64_check_relocs): Ditto. * elfxx-aarch64.c (_bfd_aarch64_elf_put_addend): Ditto. ld/testsuite/ * ld-aarch64/emit-relocs-313.s: New test file. * ld-aarch64/emit-relocs-313.d: Ditto. * ld-aarch64/aarch64-elf.exp: Run new test.
2015-06-01[AArch64] GAS Support BFD_RELOC_AARCH64_LD64_GOTPAGE_LO15Jiong Wang1-0/+8
2015-06-01 Jiong.Wang <jiong.wang@arm.com> bfd/ * reloc.c (BFD_RELOC_AARCH64_LD64_GOTPAGE_LO15): New entry. * bfd-in2.h: Regenerate. * libbfd.h: Regenerate. * elfnn-aarch64.c (elfNN_aarch64_howto_table): New entry for BFD_RELOC_AARCH64_LD64_GOTPAGE_LO15. gas/ * config/tc-aarch64.c (reloc_table): New relocation modifiers. (md_apply_fix): Support BFD_RELOC_AARCH64_LD64_GOTPAGE_LO15. (aarch64_force_relocation): Ditto. gas/testsuite/ * gas/aarch64/reloc-insn.s: New testcase. * gas/aarch64/reloc-insn.d: Ditto.
2015-05-28Compact EH SupportCatherine Moore1-0/+132
The specification for the Compact EH format is available at: https://github.com/MentorEmbedded/cxx-abi/blob/master/MIPSCompactEH.pdf 2015-05-28 Catherine Moore <clm@codesourcery.com> Bernd Schmidt <bernds@codesourcery.com> Paul Brook <paul@codesourcery.com> bfd/ * bfd-in2.h: Regenerated. * elf-bfd.h (DWARF2_EH_HDR, COMPACT_EH_HDR): Define. (COMPACT_EH_CANT_UNWIND_OPCODE): Define. (dwarf_eh_frame_hdr_info): Move dwarf-specific fields from eh_frame_hdr_info. (compact_eh_frame_hdr_info): Declare. (eh_frame_hdr_info): Redeclare with union for dwarf-specific fields and compact-eh fields. (elf_backend_data): Add cant_unwind_opcode and compact_eh_encoding. (bfd_elf_section_data): Add eh_frame_entry_field. (elf_section_eh_frame_entry): Define. (bfd_elf_parse_eh_frame_entries): Declare. (_bfd_elf_parse_eh_frame_entry): Declare. (_bfd_elf_end_eh_frame_parsing): Declare. (_bfd_elf_write_section_eh_frame_entry): Declare. (_bfd_elf_eh_frame_entry_present): Declare. (_bfd_elf_section_for_symbol): Declare. * elf-eh-frame.c (bfd_elf_discard_eh_frame_entry): New function. (bfd_elf_record_eh_frame_entry): New function. (_bfd_elf_parse_eh_frame_entry): New function. (_bfd_elf_parse_eh_frame): Update hdr_info field references. (cmp_eh_frame_hdr): New function. (add_eh_frame_hdr_terminator): New function. (_bfd_elf_end_eh_frame_parsing): New function. (find_merged_cie): Update hdr_info field references. (_bfd_elf_discard_section_eh_frame): Likewise. (_bfd_elf_discard_section_eh_frame_hdr): Add Compact EH support. (_bfd_elf_eh_frame_entry_present): New function. (_bfd_elf_maybe_strip_eh_frame_hdr): Add Compact EH support. (_bfd_elf_write_section_eh_frame_entry): New function. (_bfd_elf_write_section_eh_frame): Update hdr_info field references. (_bfd_elf_fixup_eh_frame_hdr): New function. (write_compact_eh_frame_hdr): New function. (write_dwarf_eh_frame_hdr): New function. (_bfd_elf_write_section_eh_frame_hdr): Add Compact EH support. * elflink.c (_bfd_elf_section_for_symbol): New function. (elf_section_ignore_discarded_relocs): Add Compact EH support. (elf_link_input_bfd): Likewise. (bfd_elf_final_link): Likewise. (_bfd_elf_gc_mark): Likewise. (bfd_elf_parse_eh_frame_entries): New function. (bfd_elf_gc_sections): Add Compact EH support. (bfd_elf_discard_info): Likewise. * elfxx-mips.c: Include dwarf2.h. (_bfd_mips_elf_compact_eh_encoding): New function. (_bfd_mips_elf_cant_unwind_opcode): New function. * elfxx-mips.h (_bfd_mips_elf_compact_eh_encoding): Declare. (_bfd_mips_elf_cant_unwind_opcode): Declare. (elf_backend_compact_eh_encoding): Define. (elf_backend_cant_unwind_opcode): Define. * elfxx-target.h (elf_backend_compact_eh_encoding): Provide default. (elf_backend_cant_unwind_opcode): Provide default. (elf_backend_data elfNN_bed): Add elf_backend_compact_eh_encoding and elf_backend_cant_unwind_opcode. * section.c (SEC_INFO_TYPE_EH_FRAME_ENTRY): Add definition. gas/ * config/tc-alpha.c (all_cfi_sections): Declare. (s_alpha_ent): Initialize all_cfi_sections. (alpha_elf_md_end): Invoke cfi_set_sections. * config/tc-mips.c (md_apply_fix): Handle BFD_RELOC_NONE. (s_ehword): Use BFD_RELOC_32_PCREL. (mips_fix_adjustable): Handle BFD_RELOC_32_PCREL. (mips_cfi_reloc_for_encoding): New function. * tc-mips.h (DWARF2_FDE_RELOC_SIZE): Redefine. (DWARF2_FDE_RELOC_ENCODING): Define. (tc_cfi_reloc_for_encoding): Define. (mips_cfi_reloc_for_encoding): Define. (tc_compact_eh_opcode_stop): Define. (tc_compact_eh_opcode_pad): Define. * doc/as.texinfo: Document Compact EH extensions. * doc/internals.texi: Likewise. * dw2gencfi.c (EH_FRAME_LINKONCE): Redefine. (tc_cfi_reloc_for_encoding): Provide default. (compact_eh): Declare. (emit_expr_encoded): New function. (get_debugseg_name): Add Compact EH support. (alloc_debugseg_item): Likewise. (cfi_set_sections): New function. (dot_cfi_fde_data): New function. (dot_cfi_personality_id): New function. (dot_cfi_inline_lsda): New function. (cfi_pseudo_table): Add cfi_fde_data, cfi_personality_id, and cfi_inline_lsda. (dot_cfi_personality): Add Compact EH support. (dot_cfi_lsda): Likewise. (dot_cfi_sections): Likewise. (dot_cfi_startproc): Likewise. (get_cfi_seg): Likewise. (output_compact_unwind_data): New function. (output_cfi_insn): Add Compact EH support. (output_cie): Likewise. (output_fde): Likewise. (cfi_finish): Likewise. (cfi_emit_eh_header): New function. (output_eh_header): New function. * dw2gencfi.h (cfi_set_sections): Declare. (SUPPORT_COMPACT_EH): Define. (MULTIPLE_FRAME_SECTIONS): Define. New enumeration to describe the Compact EH header format. (fde_entry): Add new fields personality_id, eh_header_type, eh_data_size, eh_data, eh_loc and sections. (CFI_EMIT_eh_frame, CFI_EMIT_debug_frame, CFI_EMIT_target, CFI_EMIT_eh_frame_compact): Define. 2015-05-22 Catherine Moore <clm@codesourcery.com> Bernd Schmidt <bernds@codesourcery.com> gas/testsuite/ * gas/mips/mips.exp: Run new tests. * gas/mips/compact-eh-1.s: New file. * gas/mips/compact-eh-2.s: New file. * gas/mips/compact-eh-3.s: New file. * gas/mips/compact-eh-4.s: New file. * gas/mips/compact-eh-5.s: New file. * gas/mips/compact-eh-6.s: New file. * gas/mips/compact-eh-7.s: New file. * gas/mips/compact-eh-eb-1.d: New file. * gas/mips/compact-eh-eb-2.d: New file. * gas/mips/compact-eh-eb-3.d: New file. * gas/mips/compact-eh-eb-4.d: New file. * gas/mips/compact-eh-eb-5.d: New file. * gas/mips/compact-eh-eb-6.d: New file. * gas/mips/compact-eh-eb-7.d: New file. * gas/mips/compact-eh-el-1.d: New file. * gas/mips/compact-eh-el-2.d: New file. * gas/mips/compact-eh-el-3.d: New file. * gas/mips/compact-eh-el-4.d: New file. * gas/mips/compact-eh-el-5.d: New file. * gas/mips/compact-eh-el-6.d: New file. * gas/mips/compact-eh-el-7.d: New file. * gas/mips/compact-eh-err1.l: New file. * gas/mips/compact-eh-err1.s: New file. * gas/mips/compact-eh-err2.l: New file. * gas/mips/compact-eh-err2.s: New file. 2015-05-22 Catherine Moore <clm@codesourcery.com> include/ * bfdlink.h: Rename eh_frame_hdr to eh_frame_hdr_type. 2015-05-22 Catherine Moore <clm@codesourcery.com> Paul Brook <paul@codesourcery.com> ld/ * emultempl/elf32.em (gld${EMULATION_NAME}_after_open): Add Compact EH support. * scripttempl/elf.sc: Handle .eh_frame_entry and .gnu_extab sections. 2015-05-22 Catherine Moore <clm@codesourcery.com> ld/testsuite/ * ld-mips-elf/compact-eh.ld: New linker script. * ld-mips-elf/compact-eh1.d: New. * ld-mips-elf/compact-eh1.s: New. * ld-mips-elf/compact-eh1a.s: New. * ld-mips-elf/compact-eh1b.s: New. * ld-mips-elf/compact-eh2.d: New. * ld-mips-elf/compact-eh2.s: New. * ld-mips-elf/compact-eh3.d: New. * ld-mips-elf/compact-eh3.s: New. * ld-mips-elf/compact-eh3a.s: New. * ld-mips-elf/compact-eh4.d: New. * ld-mips-elf/compact-eh5.d: New. * ld-mips-elf/compact-eh6.d: New. * ld-mips-elf/mips-elf.exp: Run new tests.
2015-05-27Convert PLT reloc only if pointer equality isn't neededH.J. Lu1-0/+12
When pointer equality needed, we can't replace PLT relocations with GOT relocations for -z now. This patch checks if pointer equality is needed before converting PLT relocations to GOT relocations. bfd/ PR binutils/18458 * elf32-i386.c (elf_i386_check_relocs): Create .plt.got section for now binding only if pointer equality isn't needed. (elf_i386_allocate_dynrelocs): Use .plt.got section for now binding only if pointer equality isn't needed. * elf64-x86-64.c (elf_x86_64_check_relocs): Create .plt.got section for now binding only if pointer equality isn't needed. (elf_x86_64_allocate_dynrelocs): Use .plt.got section for now binding only if pointer equality isn't needed. ld/testsuite/ PR binutils/18458 * ld-elf/shared.exp (build_tests): Build libpr18458a.so and libpr18458b.so. (run_tests): Run pr18458 test. * ld-elf/pr18458a.c: New file. * ld-elf/pr18458b.c: Likewise. * ld-elf/pr18458c.c: Likewise.
2015-05-20Skip extra relocations in .rel.plt/.rela.pltH.J. Lu1-0/+7
Extra relocations may be added to the .rel.plt/.rela.plt section, which are unrelated to PLT. We should skip them when retrieving PLT entry symbol values. PR binutils/18437 * elf32-i386.c (elf_i386_get_plt_sym_val): Skip extra relocations in .rel.plt/.rela.plt. * elf64-x86-64.c (elf_x86_64_get_plt_sym_val): Likewise.
2015-05-20[AArch64/BFD] Sort relocation case labels alphabeticallyJiong Wang1-0/+12
2015-05-19 Jiong Wang <jiong.wang@arm.com> bfd/ * elfnn-aarch64.c (aarch64_tls_transition_without_check): Sort relocation case labels alphabetically. (elfNN_aarch64_final_link_relocate): Ditto. (elfNN_aarch64_tls_relax): Ditto. (elfNN_aarch64_relocate_section): Ditto. (elfNN_aarch64_gc_sweep_hook): Ditto. (elfNN_aarch64_check_relocs): Ditto. * elfxx-aarch64.c (_bfd_aarch64_elf_put_addend): Ditto. (_bfd_aarch64_elf_resolve_relocation): Ditto.
2015-05-18[AArch64] Remove X86-64 commentsJiong Wang1-0/+5
bfd/ * elfnn-aarch64.c (elfNN_aarch64_adjust_dynamic_symbol): Rewrite comments.
2015-05-16Don't generate PLT relocations for now bindingH.J. Lu1-0/+11
There is no need for PLT relocations with -z now. We can use GOT relocations, which take less space, instead and replace 16-byte .plt entres with 8-byte .plt.got entries. bfd/ * elf32-i386.c (elf_i386_check_relocs): Create .plt.got section for now binding. (elf_i386_allocate_dynrelocs): Use .plt.got section for now binding. * elf64-x86-64.c (elf_x86_64_check_relocs): Create .plt.got section for now binding. (elf_x86_64_allocate_dynrelocs): Use .plt.got section for now binding. ld/testsuite/ * ld-i386/i386.exp: Run PR ld/17689 tests with -z now. * ld-x86-64/x86-64.exp: Likewise * ld-i386/pr17689now.rd: New file. * ld-x86-64/pr17689now.rd: Likewise
2015-05-14Don't add the zlib header to SHF_COMPRESSED sectionH.J. Lu1-0/+16
In a SHF_COMPRESSED compressed section, the raw compressed data should begin immediately after the compression header. This patch removes the extra zlib header from the SHF_COMPRESSED section. bfd/ * bfd.c (bfd_update_compression_header): Also write the zlib header if the SHF_COMPRESSED bit cleared.. (bfd_check_compression_header): Return the uncompressed size. * compress.c (decompress_contents): Don't skip the zlib header. (bfd_compress_section_contents): Properly handle ELFCOMPRESS_ZLIB, which doesn't have the zlib header. (bfd_init_section_decompress_status): Likewise. (bfd_get_full_section_contents): Updated. (bfd_is_section_compressed): Likewise. (bfd_is_section_compressed_with_header): Return the uncompressed size. * elf.c (_bfd_elf_make_section_from_shdr): Updated. * bfd-in2.h: Regenerated. binutils/ * readelf.c (uncompress_section_contents): Add a parameter for uncompressed size. Don't check the zlib header. (load_specific_debug_section): Updated. binutils/testsuite/ * binutils-all/compress.exp: Replace "$OBJDUMP -s -j .debug_info" with "$OBJDUMP -W". * binutils-all/libdw2-compressedgabi.out: Updated. gas/ 2015-05-14 H.J. Lu <hongjiu.lu@intel.com> * write.c (compress_debug): Don't write the zlib header, which is handled by bfd_update_compression_header.
2015-05-14[AArch64] Remove BFD overflow check restrictionsJiong Wang1-0/+5
bfd/ * elfnn-aarch64.c (elfNN_aarch64_relocate_section): Remove overflow check restriction.
2015-05-14xtensa: fix localized symbol refcounting with --gc-sectionsMax Filippov1-0/+5
elf_xtensa_gc_sweep_hook doesn't correctly unreference symbols that were made local, that results in link failure with the following message: BFD (GNU Binutils) 2.24 internal error, aborting at elf32-xtensa.c line 3372 in elf_xtensa_finish_dynamic_sections elf_xtensa_gc_sweep_hook determines symbol reference type (PLT or GOT) by relocation type. Relocation types are not changed when symbol becomes local, but its PLT references are added to GOT references and plt.refcount is set to 0. Such symbol cannot be unreferences in the elf_xtensa_gc_sweep_hook and its extra references make calculated GOT relocations section size not match number of GOT relocations. Fix it by treating PLT reference as GOT reference when plt.refcount is not positive. 2015-05-14 Max Filippov <jcmvbkbc@gmail.com> bfd/ * elf32-xtensa.c (elf_xtensa_gc_sweep_hook): Treat PLT reference as GOT reference when plt.refcount is not positive.
2015-05-12Allocate the first .plt entry space only if neededH.J. Lu1-0/+6
Commit dd7e64d45b317128f5fe813a8da0b13b4ad046ae may optimize out i386/x86-64 JUMP_SLOT relocation. If there is no JUMP_SLOT relocation left, we don't need to the first .plt entry. This patch allocates space for the first .plt entry only if we also reserve space for a PLT slot for JUMP_SLOT relocation. bfd/ * elf32-i386.c (elf_i386_allocate_dynrelocs): Allocate space for the first .plt entry only if needed. * elf64-x86-64.c (elf_x86_64_allocate_dynrelocs): Likewise. ld/testsuite/ * ld-i386/i386.exp: Run pltgot-1 for Linux targets. * ld-x86-64/x86-64.exp: Likewise. * ld-i386/pltgot-1.d: New file. * ld-i386/pltgot-1.s: Likewise. * ld-x86-64/pltgot-1.d: Likewise. * ld-x86-64/pltgot-1.s: Likewise.
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