| Age | Commit message (Collapse) | Author | Files | Lines |
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This fixes a number of cases where we capitalized error messages or
printed a full-stop, and corrects "Dwarf" to "DWARF".
bfd/
* dwarf2.c, * elf-attrs.c, * elf-eh-frame.c, * elf.c, * elf32-gen.c,
* elflink.c: Standardize error/warning messages. Replace use of
linker callback einfo with _bfd_error_handler when possible.
ld/
* testsuite/ld-elf/indirect.exp,
* testsuite/ld-elf/pr22649-2ab-mips.msg,
* testsuite/ld-elf/pr22649-2cd-mips.msg,
* testsuite/ld-elf/pr22649.msg,
* testsuite/ld-elf/tls_common.exp,
* testsuite/ld-elfcomm/elfcomm.exp,
* testsuite/ld-arm/attr-merge-incompatible.d,
* testsuite/ld-tic6x/attr-compatibility-gnu-other.d,
* testsuite/ld-tic6x/attr-compatibility-other-gnu.d,
* testsuite/ld-tic6x/attr-compatibility-other-other.d,
* testsuite/ld-i386/warn1.d: Update expected error/warning messages.
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It must get boring translating all the variants we have of
unrecognized/unsupported/invalid/unexpected reloc number. This patch
cuts down on the number of variations.
* aoutx.h, * coff-alpha.c, * coff-i860.c, * coff-m68k.c,
* coff-mcore.c, * coff-ppc.c, * coff-rs6000.c, * coff-sh.c,
* coff-tic4x.c, * coff-tic54x.c, * coff-tic80.c, * coff-w65.c,
* elf-bfd.h, * elf-m10300.c, * elf.c, * elf32-avr.c, * elf32-bfin.c,
* elf32-cr16.c, * elf32-cr16c.c, * elf32-cris.c, * elf32-crx.c,
* elf32-d10v.c, * elf32-d30v.c, * elf32-dlx.c, * elf32-epiphany.c,
* elf32-fr30.c, * elf32-frv.c, * elf32-i370.c, * elf32-i386.c,
* elf32-i960.c, * elf32-ip2k.c, * elf32-iq2000.c, * elf32-lm32.c,
* elf32-m32c.c, * elf32-m32r.c, * elf32-m68hc11.c, * elf32-m68hc12.c,
* elf32-m68k.c, * elf32-mcore.c, * elf32-mep.c, * elf32-metag.c,
* elf32-microblaze.c, * elf32-mips.c, * elf32-moxie.c,
* elf32-msp430.c, * elf32-mt.c, * elf32-nds32.c, * elf32-or1k.c,
* elf32-pj.c, * elf32-ppc.c, * elf32-rl78.c, * elf32-rx.c,
* elf32-s390.c, * elf32-sh.c, * elf32-spu.c, * elf32-tic6x.c,
* elf32-v850.c, * elf32-vax.c, * elf32-visium.c, * elf32-wasm32.c,
* elf32-xgate.c, * elf32-xtensa.c, * elf64-alpha.c,
* elf64-ia64-vms.c, * elf64-mips.c, * elf64-mmix.c,
* elf64-ppc.c, * elf64-s390.c, * elf64-sparc.c, * elf64-x86-64.c,
* elfn32-mips.c, * elfnn-aarch64.c, * elfnn-ia64.c,
* elfnn-riscv.c, * elfxx-mips.c, * elfxx-riscv.c, * elfxx-riscv.h,
* elfxx-sparc.c, * elfxx-sparc.h, * reloc.c: Standardize
unrecognized/unsupported reloc message.
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PR 22881
* elf.c (assign_file_positions_for_non_load_sections): Remove RELRO
segment if no matching LOAD segment.
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* bfd-in.h: Include inttypes.h or if not available define
PRId64, PRIu64 and PRIx64.
* bfd.c (_bfd_doprnt, _bfd_doprnt_scan): Remove support for L
modifier to print bfd_vma.
* coff-arm.c, * coff-mcore.c, * coff-ppc.c, * coff-rs6000.c,
* coff-sh.c, * coff-tic80.c, * coffcode.h, * coffgen.c, * cofflink.c,
* compress.c, * dwarf2.c, * elf-m10300.c, * elf.c, * elf32-arc.c,
* elf32-arm.c, * elf32-bfin.c, * elf32-cris.c, * elf32-hppa.c,
* elf32-i386.c, * elf32-ip2k.c, * elf32-lm32.c, * elf32-m32r.c,
* elf32-m68k.c, * elf32-metag.c, * elf32-nds32.c, * elf32-nios2.c,
* elf32-ppc.c, * elf32-rx.c, * elf32-s390.c, * elf32-score.c,
* elf32-score7.c, * elf32-sh.c, * elf32-sh64.c, * elf32-spu.c,
* elf32-tic6x.c, * elf32-tilepro.c, * elf32-v850.c, * elf32-vax.c,
* elf32-xtensa.c, * elf64-alpha.c, * elf64-hppa.c, * elf64-ia64-vms.c,
* elf64-mmix.c, * elf64-s390.c, * elf64-sh64.c, * elf64-x86-64.c,
* elfcode.h, * elfcore.h, * elflink.c, * elfnn-aarch64.c,
* elfnn-ia64.c, * elfnn-riscv.c, * elfxx-mips.c, * elfxx-sparc.c,
* elfxx-tilegx.c, * ieee.c, * ihex.c, * mach-o.c, * merge.c, * mmo.c,
* peXXigen.c, * xcofflink.c: Replace use of Lx modifier with PRIx64,
and cast input to uint64_t, and similarly for Ld and Lu.
* bfd-in2.h: Regenerate.
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First step towards compiler verification of _bfd_error_handler
arguments, and better verification of translated messages.
bfd/
* bfd.c (_bfd_doprnt, _bfd_doprnt_scan): Handle %pA and %pB in place
of %A and %B.
* aout-adobe.c: Update all messages using %A and %B.
* aout-cris.c: Likewise.
* aoutx.h: Likewise.
* archive.c: Likewise.
* binary.c: Likewise.
* cache.c: Likewise.
* coff-alpha.c: Likewise.
* coff-arm.c: Likewise.
* coff-i860.c: Likewise.
* coff-mcore.c: Likewise.
* coff-ppc.c: Likewise.
* coff-rs6000.c: Likewise.
* coff-sh.c: Likewise.
* coff-tic4x.c: Likewise.
* coff-tic54x.c: Likewise.
* coff-tic80.c: Likewise.
* coff64-rs6000.c: Likewise.
* coffcode.h: Likewise.
* coffgen.c: Likewise.
* cofflink.c: Likewise.
* coffswap.h: Likewise.
* compress.c: Likewise.
* cpu-arm.c: Likewise.
* ecoff.c: Likewise.
* elf-attrs.c: Likewise.
* elf-eh-frame.c: Likewise.
* elf-ifunc.c: Likewise.
* elf-m10300.c: Likewise.
* elf-properties.c: Likewise.
* elf-s390-common.c: Likewise.
* elf.c: Likewise.
* elf32-arc.c: Likewise.
* elf32-arm.c: Likewise.
* elf32-avr.c: Likewise.
* elf32-bfin.c: Likewise.
* elf32-cr16.c: Likewise.
* elf32-cr16c.c: Likewise.
* elf32-cris.c: Likewise.
* elf32-crx.c: Likewise.
* elf32-d10v.c: Likewise.
* elf32-d30v.c: Likewise.
* elf32-epiphany.c: Likewise.
* elf32-fr30.c: Likewise.
* elf32-frv.c: Likewise.
* elf32-gen.c: Likewise.
* elf32-hppa.c: Likewise.
* elf32-i370.c: Likewise.
* elf32-i386.c: Likewise.
* elf32-i960.c: Likewise.
* elf32-ip2k.c: Likewise.
* elf32-iq2000.c: Likewise.
* elf32-lm32.c: Likewise.
* elf32-m32c.c: Likewise.
* elf32-m32r.c: Likewise.
* elf32-m68hc11.c: Likewise.
* elf32-m68hc12.c: Likewise.
* elf32-m68hc1x.c: Likewise.
* elf32-m68k.c: Likewise.
* elf32-mcore.c: Likewise.
* elf32-mep.c: Likewise.
* elf32-metag.c: Likewise.
* elf32-microblaze.c: Likewise.
* elf32-moxie.c: Likewise.
* elf32-msp430.c: Likewise.
* elf32-mt.c: Likewise.
* elf32-nds32.c: Likewise.
* elf32-nios2.c: Likewise.
* elf32-or1k.c: Likewise.
* elf32-pj.c: Likewise.
* elf32-ppc.c: Likewise.
* elf32-rl78.c: Likewise.
* elf32-rx.c: Likewise.
* elf32-s390.c: Likewise.
* elf32-score.c: Likewise.
* elf32-score7.c: Likewise.
* elf32-sh-symbian.c: Likewise.
* elf32-sh.c: Likewise.
* elf32-sh64.c: Likewise.
* elf32-sparc.c: Likewise.
* elf32-spu.c: Likewise.
* elf32-tic6x.c: Likewise.
* elf32-tilepro.c: Likewise.
* elf32-v850.c: Likewise.
* elf32-vax.c: Likewise.
* elf32-visium.c: Likewise.
* elf32-wasm32.c: Likewise.
* elf32-xgate.c: Likewise.
* elf32-xtensa.c: Likewise.
* elf64-alpha.c: Likewise.
* elf64-gen.c: Likewise.
* elf64-hppa.c: Likewise.
* elf64-ia64-vms.c: Likewise.
* elf64-mmix.c: Likewise.
* elf64-ppc.c: Likewise.
* elf64-s390.c: Likewise.
* elf64-sh64.c: Likewise.
* elf64-sparc.c: Likewise.
* elf64-x86-64.c: Likewise.
* elfcode.h: Likewise.
* elfcore.h: Likewise.
* elflink.c: Likewise.
* elfnn-aarch64.c: Likewise.
* elfnn-ia64.c: Likewise.
* elfnn-riscv.c: Likewise.
* elfxx-mips.c: Likewise.
* elfxx-sparc.c: Likewise.
* elfxx-tilegx.c: Likewise.
* elfxx-x86.c: Likewise.
* hpux-core.c: Likewise.
* ieee.c: Likewise.
* ihex.c: Likewise.
* libbfd.c: Likewise.
* linker.c: Likewise.
* mach-o.c: Likewise.
* merge.c: Likewise.
* mmo.c: Likewise.
* oasys.c: Likewise.
* pdp11.c: Likewise.
* pe-mips.c: Likewise.
* peXXigen.c: Likewise.
* peicode.h: Likewise.
* reloc.c: Likewise.
* rs6000-core.c: Likewise.
* srec.c: Likewise.
* stabs.c: Likewise.
* vms-alpha.c: Likewise.
* xcofflink.c: Likewise.
ld/
* ldmisc.c (vfinfo): Handle %pA and %pB in place of %A and %B.
* ldcref.c: Update all messages using %A and %B.
* ldexp.c: Likewise.
* ldlang.c: Likewise.
* ldmain.c: Likewise.
* ldmisc.c: Likewise.
* pe-dll.c: Likewise.
* plugin.c: Likewise.
* emultempl/beos.em: Likewise.
* emultempl/cr16elf.em: Likewise.
* emultempl/elf32.em: Likewise.
* emultempl/m68kcoff.em: Likewise.
* emultempl/m68kelf.em: Likewise.
* emultempl/mmo.em: Likewise.
* emultempl/nds32elf.em: Likewise.
* emultempl/pe.em: Likewise.
* emultempl/pep.em: Likewise.
* emultempl/spuelf.em: Likewise.
* emultempl/sunos.em: Likewise.
* emultempl/xtensaelf.em: Likewise.
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Commit 325ba6fb34 excluded degenerate zero length PT_LOAD segments,
but that only fixed part of the problem, which was that the load
segment limits were not calculated properly.
PR 22845
* elf.c (IS_TBSS): Define.
(_bfd_elf_map_sections_to_segments): Use IS_TBSS.
(assign_file_positions_for_non_load_sections): Revert last change.
Properly calculate load segment limits to compare against relro limits.
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Fixes a failure triggered by -z separate-code. p_memsz is tested
rather than p_filesz for objcopy --only-keep-debug where p_filesz is
set to zero.
PR 22845
* elf.c (assign_file_positions_for_non_load_sections): Ignore
degenerate zero size PT_LOAD segments when finding one overlapping
the PT_GNU_RELRO segment.
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This patch defines a bunch of new functions to use in the BFD target
structs rather than casting bfd_false or bfd_true and similar stub
functions. I've also renamed the stub functions to reflect their
parameters and put "error" in the name if they set bfd_error. The
latter change is important since there were quite a few uses of
bfd_false where setting bfd_error was inappropriate, for example in
elf_backend_allow_non_load_phdr and is_target_special_symbol.
* libbfd.c (_bfd_bool_bfd_false_error): Rename from bfd_false.
(_bfd_bool_bfd_true): Rename from bfd_true.
(_bfd_ptr_bfd_null_error): Rename from bfd_nullvoidptr.
(_bfd_int_bfd_0): Rename from bfd_0.
(_bfd_uint_bfd_0): Rename from bfd_0u.
(_bfd_long_bfd_0): Rename from bfd_0l.
(_bfd_long_bfd_n1_error): Rename from _bfd_n1.
(_bfd_void_bfd): Rename from bfd_void.
(_bfd_bool_bfd_false, _bfd_bool_bfd_asymbol_false),
(_bfd_bool_bfd_link_false_error),
(_bfd_bool_bfd_link_true, _bfd_bool_bfd_bfd_true),
(_bfd_bool_bfd_uint_true, _bfd_bool_bfd_ptr_true),
(_bfd_bool_bfd_asection_bfd_asection_true),
(_bfd_bool_bfd_asymbol_bfd_asymbol_true),
(_bfd_void_bfd_link, _bfd_void_bfd_asection): New functions.
* archive.c (_bfd_noarchive_get_elt_at_index),
(_bfd_noarchive_openr_next_archived_file),
(_bfd_noarchive_construct_extended_name_table),
(_bfd_noarchive_write_ar_hdr, _bfd_noarchive_truncate_arname),
(_bfd_noarchive_write_armap): New functions.
* archures.c (_bfd_nowrite_set_arch_mach): New function.
* coff-alpha.c (alpha_ecoff_swap_coff_aux_in),
(alpha_ecoff_swap_coff_sym_in, alpha_ecoff_swap_coff_lineno_in),
(alpha_ecoff_swap_coff_aux_out, alpha_ecoff_swap_coff_sym_out),
(alpha_ecoff_swap_coff_lineno_out),
(alpha_ecoff_swap_coff_reloc_out): New functions.
* coff-mips.c (mips_ecoff_swap_coff_aux_in),
(mips_ecoff_swap_coff_sym_in, mips_ecoff_swap_coff_lineno_in),
(mips_ecoff_swap_coff_aux_out, mips_ecoff_swap_coff_sym_out),
(mips_ecoff_swap_coff_lineno_out),
(mips_ecoff_swap_coff_reloc_out): New functions.
* coffcode.h (coff_set_alignment_hook): Replace define with
new function.
(symname_in_debug_hook): Likewise.
* ecoff.c (_bfd_ecoff_set_alignment_hook): New function.
* elfxx-target.h (elf_backend_allow_non_load_phdr): Default to 0.
* elf.c (assign_file_positions_except_relocs): Test
elf_backend_allow_non_load_phdr for NULL.
* elflink.c (_bfd_elf_omit_section_dynsym_default): Rename from
_bfd_elf_link_omit_section_dynsym. Update uses.
(_bfd_elf_omit_section_dynsym_all): New function.
* elf-bfd.h (_bfd_elf_link_omit_section_dynsym): Delete.
(_bfd_elf_omit_section_dynsym_default): Declare.
(_bfd_elf_omit_section_dynsym_all): Declare.
* linker.c (_bfd_nolink_sizeof_headers, _bfd_nolink_bfd_relax_section),
(_bfd_nolink_bfd_get_relocated_section_contents),
(_bfd_nolink_bfd_lookup_section_flags),
(_bfd_nolink_bfd_is_group_section, _bfd_nolink_bfd_discard_group),
(_bfd_nolink_bfd_link_hash_table_create),
(_bfd_nolink_bfd_link_just_syms),
(_bfd_nolink_bfd_copy_link_hash_symbol_type),
(_bfd_nolink_bfd_link_split_section),
(_bfd_nolink_section_already_linked),
(_bfd_nolink_bfd_define_common_symbol),
(_bfd_nolink_bfd_define_start_stop): New functions.
* reloc.c (_bfd_norelocs_bfd_reloc_type_lookup),
(_bfd_norelocs_bfd_reloc_name_lookup),
(_bfd_nodynamic_canonicalize_dynamic_reloc): New functions.
* section.c (_bfd_nowrite_set_section_contents): New function.
* syms.c (_bfd_nosymbols_canonicalize_symtab),
(_bfd_nosymbols_print_symbol, _bfd_nosymbols_get_symbol_info),
(_bfd_nosymbols_get_symbol_version_string),
(_bfd_nosymbols_bfd_is_local_label_name),
(_bfd_nosymbols_get_lineno, _bfd_nosymbols_find_nearest_line),
(_bfd_nosymbols_find_line, _bfd_nosymbols_find_inliner_info),
(_bfd_nosymbols_bfd_make_debug_symbol),
( _bfd_nosymbols_read_minisymbols),
( _bfd_nosymbols_minisymbol_to_symbol),
(_bfd_nodynamic_get_synthetic_symtab): New functions.
* libbfd-in.h: Declare new functions. Update existing defines,
removing casts.
* aix386-core.c: Update to use new hooks. Formatting.
* aout-adobe.c: Likewise.
* aout-arm.c: Likewise.
* aout-target.h: Likewise.
* aout-tic30.c: Likewise.
* aoutf1.h: Likewise.
* binary.c: Likewise.
* bout.c: Likewise.
* cisco-core.c: Likewise.
* coff-alpha.c: Likewise.
* coff-i386.c: Likewise.
* coff-i860.c: Likewise.
* coff-i960.c: Likewise.
* coff-ia64.c: Likewise.
* coff-mips.c: Likewise.
* coff-ppc.c: Likewise.
* coff-rs6000.c: Likewise.
* coff-sh.c: Likewise.
* coff-tic30.c: Likewise.
* coff-tic54x.c: Likewise.
* coff-x86_64.c: Likewise.
* coff64-rs6000.c: Likewise.
* coffcode.h: Likewise.
* elf-m10300.c: Likewise.
* elf32-cr16.c: Likewise.
* elf32-lm32.c: Likewise.
* elf32-m32r.c: Likewise.
* elf32-metag.c: Likewise.
* elf32-score.c: Likewise.
* elf32-score7.c: Likewise.
* elf32-tilepro.c: Likewise.
* elf32-xstormy16.c: Likewise.
* elf32-xtensa.c: Likewise.
* elf64-alpha.c: Likewise.
* elf64-hppa.c: Likewise.
* elf64-ia64-vms.c: Likewise.
* elf64-mmix.c: Likewise.
* elf64-sh64.c: Likewise.
* elfnn-ia64.c: Likewise.
* elfxx-sparc.c: Likewise.
* elfxx-target.h: Likewise.
* elfxx-tilegx.c: Likewise.
* elfxx-x86.h: Likewise.
* hp300hpux.c: Likewise.
* hppabsd-core.c: Likewise.
* hpux-core.c: Likewise.
* i386msdos.c: Likewise.
* i386os9k.c: Likewise.
* ieee.c: Likewise.
* ihex.c: Likewise.
* irix-core.c: Likewise.
* libaout.h: Likewise.
* libecoff.h: Likewise.
* mach-o-target.c: Likewise.
* mach-o.c: Likewise.
* mipsbsd.c: Likewise.
* mmo.c: Likewise.
* netbsd-core.c: Likewise.
* nlm-target.h: Likewise.
* oasys.c: Likewise.
* osf-core.c: Likewise.
* pdp11.c: Likewise.
* pe-mips.c: Likewise.
* pe-x86_64.c: Likewise.
* pef.c: Likewise.
* plugin.c: Likewise.
* ppcboot.c: Likewise.
* ptrace-core.c: Likewise.
* sco5-core.c: Likewise.
* som.c: Likewise.
* sparclynx.c: Likewise.
* srec.c: Likewise.
* tekhex.c: Likewise.
* trad-core.c: Likewise.
* verilog.c: Likewise.
* versados.c: Likewise.
* vms-alpha.c: Likewise.
* vms-lib.c: Likewise.
* wasm-module.c: Likewise.
* xsym.c: Likewise.
* libbfd.h: Regenerate.
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This fixes the case where all of a group is removed with ld -r, the
situation in the PR, and failures where part of a group is removed
that contain relocs.
bfd/
PR 22836
* elf.c (_bfd_elf_fixup_group_sections): Account for removed
relocation sections. If size reduces to just the flag word,
remove that too and mark with SEC_EXCLUDE.
* elflink.c (bfd_elf_final_link): Strip empty group sections.
binutils/
* testsuite/binutils-all/group-7.s,
* testsuite/binutils-all/group-7a.d,
* testsuite/binutils-all/group-7b.d,
* testsuite/binutils-all/group-7c.d: New tests.
* testsuite/binutils-all/objcopy.exp: Run them.
ld/
* testsuite/ld-elf/pr22836-2.d,
* testsuite/ld-elf/pr22836-2.s: New test.
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lld lays out the relro segment differently to GNU ld, not bothering to
include the first few bytes of .got.plt and padding out to a page at
the end of the segment. This patch teaches binutils to recognize the
different (and somewhat inferior) layout as valid.
bfd/
PR 22829
* elf.c (assign_file_positions_for_non_load_sections): Rewrite
PT_GNU_RELRO setup.
ld/
* testsuite/ld-x86-64/pr14207.d: Adjust relro p_filesz.
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alignment is encountered.
PR 22788
* elf.c (elf_parse_notes): Reject notes with excessuively large
alignments.
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Fix the issue of any failure from `->elf_backend_section_processing'
not being propagated by `_bfd_elf_write_object_contents'. The MIPS
`_bfd_mips_elf_section_processing' handler can actually potentially
fail, however the caller currently ignores that.
bfd/
* elf.c (_bfd_elf_write_object_contents): Propagate a failure
status from `->elf_backend_section_processing'.
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We can't map different disk pages into the same memory page; The last
page mapped will simply overwrite any previous pages. The
executable/non-executable new_segment test ignored this fact, leading
to a ld.so segfault on hppa when .dynamic is overwritten with zeros.
This patch moves existing tests for demand paging with lma on the same
memory page, to a new test performed before any case where we want a
new segment due to protection or loadable conflicts.
PR 22758
* elf.c (_bfd_elf_map_sections_to_segments): Don't start a new
segment when demand paged with lma on the same page. Test this
before load/non-load, executable/non-executable,
writable/non-writable tests and simplify. Delete bogus relro
condition in writable/non-writable test. Delete outdated
comment. Formatting.
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When processing a section that is a member of a group, the group
that contains it is looked up using a linear search. The resulting
O(n^2) complexity causes significant performance issues when
dealing with object files with very many groups.
By remembering the index of the last found group and restarting
the next search from that index, the search instead becomes O(n)
in common cases.
* elf.c (setup_group): Optimize search for group by remembering
last found group and restarting search at that index.
* elf-bfd.h (struct elf_obj_tdata): Add group_search_offset field.
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When generating separate code LOAD segment, create a new LOAD segment
if the previous section contains text and the current section doesn't
or vice versa:
Elf file type is DYN (Shared object file)
Entry point 0x200020
There are 7 program headers, starting at offset 52
Program Headers:
Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align
LOAD 0x000000 0x00000000 0x00000000 0x00200 0x00200 R 0x200000
LOAD 0x200000 0x00200000 0x00200000 0x00036 0x00036 R E 0x200000
LOAD 0x400000 0x00400000 0x00400000 0x00064 0x00064 R 0x200000
LOAD 0x400f80 0x00600f80 0x00600f80 0x000a0 0x000a0 RW 0x200000
DYNAMIC 0x400f80 0x00600f80 0x00600f80 0x00080 0x00080 RW 0x4
GNU_STACK 0x000000 0x00000000 0x00000000 0x00000 0x00000 RW 0x10
GNU_RELRO 0x400f80 0x00600f80 0x00600f80 0x00080 0x00080 R 0x1
Section to Segment mapping:
Segment Sections...
00 .hash .gnu.hash .dynsym .dynstr .rela.plt
01 .plt .text
02 .rodata .eh_frame
03 .dynamic .got.plt
04 .dynamic
05
06 .dynamic
to prevent fetching or executing data in code pages as instructions.
Also don't put a writable section in a read-only segment if there is a
RELRO segment.
Since code segment is aligned and padded to the maximum page size on
disk, the minimum file size is bigger than the maximum page size which
is 2MB (0x200000):
-rwxr-xr-x 1 hjl hjl 4201932 Jan 10 10:41 libfoo.so
"-z max-page-size=0x1000" can be used to reduce the maximum page size to
4KB (0x1000):
-rwxr-xr-x 1 hjl hjl 15820 Jan 10 10:44 libfoo.so
PR ld/22393
* elf.c (_bfd_elf_map_sections_to_segments): When generating
separate code and read-only data LOAD segments, create a new
LOAD segment if the previous section contains text and the
current section doesn't or vice versa. Don't put a writable
section in a read-only segment if there is a RELRO segment.
|
|
bfd/ChangeLog:
* elf.c (elfcore_grok_freebsd_note): Handle
NT_FREEBSD_PROCSTAT_PROC, NT_FREEBSD_PROCSTAT_FILES, and
NT_FREEBSD_PROCSTAT_VMMAP.
|
|
|
|
Binutils is supposed to use tabs. In my git config I have
whitespace = indent-with-non-tab,space-before-tab,trailing-space
and I got annoyed enough seeing red in "git diff" output to fix
the problems.
* doc/header.sed: Trim trailing space when splitting lines.
* aix386-core.c, * aout-adobe.c, * aout-arm.c, * aout-cris.c,
* aout-ns32k.c, * aout-target.h, * aout-tic30.c, * aoutf1.h, * aoutx.h,
* arc-got.h, * arc-plt.def, * arc-plt.h, * archive.c, * archive64.c,
* archures.c, * armnetbsd.c, * bfd-in.h, * bfd.c, * bfdio.c, * binary.c,
* bout.c, * cache.c, * cisco-core.c, * coff-alpha.c, * coff-apollo.c,
* coff-arm.c, * coff-h8300.c, * coff-i386.c, * coff-i860.c,
* coff-i960.c, * coff-m68k.c, * coff-m88k.c, * coff-mcore.c,
* coff-mips.c, * coff-ppc.c, * coff-rs6000.c, * coff-sh.c,
* coff-stgo32.c, * coff-tic4x.c, * coff-tic54x.c, * coff-tic80.c,
* coff-we32k.c, * coff-x86_64.c, * coff-z80.c, * coff-z8k.c,
* coff64-rs6000.c, * coffcode.h, * coffgen.c, * cofflink.c,
* coffswap.h, * compress.c, * corefile.c, * cpu-alpha.c, * cpu-arm.c,
* cpu-avr.c, * cpu-bfin.c, * cpu-cr16.c, * cpu-cr16c.c, * cpu-crx.c,
* cpu-d10v.c, * cpu-frv.c, * cpu-ft32.c, * cpu-i370.c, * cpu-i960.c,
* cpu-ia64-opc.c, * cpu-ip2k.c, * cpu-lm32.c, * cpu-m32r.c,
* cpu-mcore.c, * cpu-microblaze.c, * cpu-mips.c, * cpu-moxie.c,
* cpu-mt.c, * cpu-nios2.c, * cpu-ns32k.c, * cpu-or1k.c, * cpu-powerpc.c,
* cpu-pru.c, * cpu-sh.c, * cpu-spu.c, * cpu-v850.c, * cpu-v850_rh850.c,
* cpu-xgate.c, * cpu-z80.c, * dwarf1.c, * dwarf2.c, * ecoff.c,
* ecofflink.c, * ecoffswap.h, * elf-bfd.h, * elf-eh-frame.c,
* elf-hppa.h, * elf-m10200.c, * elf-m10300.c, * elf-s390-common.c,
* elf-strtab.c, * elf-vxworks.c, * elf.c, * elf32-am33lin.c,
* elf32-arc.c, * elf32-arm.c, * elf32-avr.c, * elf32-avr.h,
* elf32-bfin.c, * elf32-cr16.c, * elf32-cr16c.c, * elf32-cris.c,
* elf32-crx.c, * elf32-d10v.c, * elf32-d30v.c, * elf32-dlx.c,
* elf32-epiphany.c, * elf32-fr30.c, * elf32-frv.c, * elf32-ft32.c,
* elf32-h8300.c, * elf32-hppa.c, * elf32-i386.c, * elf32-i860.c,
* elf32-i960.c, * elf32-ip2k.c, * elf32-lm32.c, * elf32-m32c.c,
* elf32-m32r.c, * elf32-m68hc11.c, * elf32-m68hc12.c, * elf32-m68hc1x.c,
* elf32-m68hc1x.h, * elf32-m68k.c, * elf32-m88k.c, * elf32-mcore.c,
* elf32-mep.c, * elf32-metag.c, * elf32-microblaze.c, * elf32-mips.c,
* elf32-moxie.c, * elf32-msp430.c, * elf32-mt.c, * elf32-nds32.c,
* elf32-nds32.h, * elf32-nios2.c, * elf32-or1k.c, * elf32-pj.c,
* elf32-ppc.c, * elf32-ppc.h, * elf32-pru.c, * elf32-rl78.c,
* elf32-rx.c, * elf32-s390.c, * elf32-score.c, * elf32-score.h,
* elf32-score7.c, * elf32-sh-symbian.c, * elf32-sh.c, * elf32-sh64.c,
* elf32-sparc.c, * elf32-spu.c, * elf32-tic6x.c, * elf32-tilegx.c,
* elf32-tilegx.h, * elf32-tilepro.c, * elf32-tilepro.h, * elf32-v850.c,
* elf32-vax.c, * elf32-wasm32.c, * elf32-xc16x.c, * elf32-xgate.c,
* elf32-xgate.h, * elf32-xstormy16.c, * elf32-xtensa.c, * elf64-alpha.c,
* elf64-hppa.c, * elf64-ia64-vms.c, * elf64-mips.c, * elf64-mmix.c,
* elf64-ppc.c, * elf64-s390.c, * elf64-sh64.c, * elf64-sparc.c,
* elf64-tilegx.c, * elf64-tilegx.h, * elf64-x86-64.c, * elfcore.h,
* elflink.c, * elfn32-mips.c, * elfnn-aarch64.c, * elfnn-ia64.c,
* elfnn-riscv.c, * elfxx-aarch64.c, * elfxx-aarch64.h, * elfxx-ia64.c,
* elfxx-ia64.h, * elfxx-mips.c, * elfxx-riscv.c, * elfxx-sparc.c,
* elfxx-tilegx.c, * elfxx-x86.c, * elfxx-x86.h, * freebsd.h, * hash.c,
* host-aout.c, * hp300hpux.c, * hppabsd-core.c, * hpux-core.c,
* i386aout.c, * i386linux.c, * i386lynx.c, * i386mach3.c, * i386msdos.c,
* i386netbsd.c, * ieee.c, * ihex.c, * irix-core.c, * libaout.h,
* libbfd-in.h, * libbfd.c, * libcoff-in.h, * libnlm.h, * libpei.h,
* libxcoff.h, * linker.c, * lynx-core.c, * m68k4knetbsd.c,
* m68klinux.c, * m68knetbsd.c, * m88kmach3.c, * mach-o-aarch64.c,
* mach-o-arm.c, * mach-o-i386.c, * mach-o-target.c, * mach-o-x86-64.c,
* mach-o.c, * mach-o.h, * merge.c, * mipsbsd.c, * mmo.c, * netbsd.h,
* netbsd-core.c, * newsos3.c, * nlm-target.h, * nlm32-ppc.c,
* nlm32-sparc.c, * nlmcode.h, * ns32k.h, * ns32knetbsd.c, * oasys.c,
* opncls.c, * pc532-mach.c, * pdp11.c, * pe-arm.c, * pe-i386.c,
* pe-mcore.c, * pe-mips.c, * pe-x86_64.c, * peXXigen.c, * pef.c,
* pef.h, * pei-arm.c, * pei-i386.c, * pei-mcore.c, * pei-x86_64.c,
* peicode.h, * plugin.c, * ppcboot.c, * ptrace-core.c, * reloc.c,
* riscix.c, * rs6000-core.c, * section.c, * som.c, * som.h,
* sparclinux.c, * sparcnetbsd.c, * srec.c, * stabs.c, * sunos.c,
* syms.c, * targets.c, * tekhex.c, * trad-core.c, * vax1knetbsd.c,
* vaxnetbsd.c, * verilog.c, * versados.c, * vms-alpha.c, * vms-lib.c,
* vms-misc.c, * wasm-module.c, * wasm-module.h, * xcofflink.c,
* xsym.c, * xsym.h: Whitespace fixes.
* bfd-in2.h, * libbfd.h, * libcoff.h: Regenerate.
|
|
CORE PT_NOTE segments may have p_align values of 0 or 1. gABI specifies
that PT_NOTE alignment should be aligned to 4 bytes for 32-bit objects
and to 8 bytes for 64-bit objects. If segment alignment is less than 4,
we use 4 byte alignment.
|
|
This reverts commit 650444eb540f9fd85e821567a3f943b4bc41b8be.
With this patch, running the GDB test case gdb.base/auxv.exp is stuck in
an infinite loop, consuming memory to the point that it renders the
machine unusable. I am reverting it so we can take our time to
investigate while not killing all the developers' machines.
|
|
According to gABI, in a note entry, the note name field, not note name
size, is padded for the note descriptor. And the note descriptor field,
not note descriptor size, is padded for the next note entry. Also notes
are aligned to 4 bytes in 32-bit objects and 8 bytes in 64-bit objects.
Since on Linux, .note.ABI-tag and .note.gnu.build-id notes are always
aligned to 4 bytes, we need to use alignment of note section or note
segment, instead of assuming alignment based on ELF file class.
Tested on i686 and x86-64.
bfd/
PR binutils/22444
* elf.c (elf_read_notes): Add an argument for note aligment.
(elf_parse_notes): Likewise.
(_bfd_elf_make_section_from_shdr): Pass section aligment to
elf_parse_notes.
(bfd_section_from_phdr): Pass segment aligment to elf_read_notes.
(elf_parse_notes): Add an argument for note aligment. Use
ELF_NOTE_DESC_OFFSET to get the offset of the note descriptor.
Use ELF_NOTE_NEXT_OFFSET to get the offset of the next note
entry.
(elf_read_notes): Add an argument for note aligment and pass it
to elf_parse_notes.
binutils/
PR binutils/22444
* readelf.c (process_notes_at): Use ELF_NOTE_DESC_OFFSET to get
the offset of the note descriptor. Use ELF_NOTE_NEXT_OFFSET to
get the offset of the next note entry.
include/
PR binutils/22444
* elf/external.h (ELF_ALIGN_UP): New.
(ELF_NOTE_DESC_OFFSET): Likewise.
(ELF_NOTE_NEXT_OFFSET): Likewise.
|
|
Setting SHF_GROUP unconditionally on rel/rela sections associated with
SHF_GROUP sections fails badly with objcopy/strip and ld -r if the
input file SHT_GROUP section didn't specify the rel/rela sections.
This patch rearranges where SHF_GROUP is set for rel/rela sections.
PR 22451
PR 22460
* elf.c (_bfd_elf_init_reloc_shdr): Delete "sec_hdr" parameter
and leave rel_hdr->sh_flags zero. Update calls.
(bfd_elf_set_group_contents): Check input rel/rela SHF_GROUP
flag when !gas before adding rel/rela section to group. Set
output rel/rela SHF_GROUP flags.
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|
PR 22421
* elf.c (elfcore_grok_netbsd_procinfo): Check that the note is big enough.
(elfcore_grok_openbsd_procinfo): Likewise.
(elfcore_grok_nto_status): Likewise.
|
|
It was reasonable to mark PT_PHDR segment with PF_X for compatibility
with UnixWare and Solaris linkers 20 years ago. But it is inappropriate
today when the primary OS of GNU ld is Linux. This patch removes PF_X
from PT_PHDR segment as gold does.
Tested natively on Linux/x86 as well as crosss-binutils for alpha-linux,
ia64-linux, powerpc64-linux, powerpc-linux, s390-linux, s390x-linux,
sparc64-linux and sparc-linux.
bfd/
PR ld/22423
* elf.c (_bfd_elf_map_sections_to_segments): Remove PF_X from
PT_PHDR segment.
ld/
PR ld/22423
* testsuite/ld-alpha/tlsbin.rd: Replace "R E " with "R +" for
PT_PHDR segment.
* testsuite/ld-alpha/tlsbinr.rd: Likewise.
* testsuite/ld-ia64/tlsbin.rd: Likewise.
* testsuite/ld-powerpc/tlsexe.r: Likewise.
* testsuite/ld-powerpc/tlsexe32.r: Likewise.
* testsuite/ld-powerpc/tlsexetoc.r: Likewise.
* testsuite/ld-s390/tlsbin.rd: Likewise.
* testsuite/ld-s390/tlsbin_64.rd: Likewise.
* testsuite/ld-sparc/tlssunbin32.rd: Likewise.
* testsuite/ld-sparc/tlssunbin64.rd: Likewise.
* testsuite/ld-elf/pr22423.d: New test.
|
|
Fix commit 70a38d42c5b3 ("New entry points for writing Linux NT_PRPSINFO
notes."), <https://sourceware.org/ml/binutils/2013-02/msg00023.html>,
and handle both variants of the 64-bit Linux core PRPSINFO note across
all targets.
The 64-bit Linux core PRPSINFO note matches the 64-bit kernel structure,
defined as follows:
(gdb) ptype struct elf_prpsinfo
type = struct elf_prpsinfo {
char pr_state;
char pr_sname;
char pr_zomb;
char pr_nice;
unsigned long pr_flag;
__kernel_uid_t pr_uid;
__kernel_gid_t pr_gid;
pid_t pr_pid;
pid_t pr_ppid;
pid_t pr_pgrp;
pid_t pr_sid;
char pr_fname[16];
char pr_psargs[80];
}
(gdb)
where the individual data types of most members are the same across all
64-bit Linux ports, with the exception of `__kernel_uid_t' and
`__kernel_gid_t'. These are defined in <asm-generic/posix_types.h> as
32-bit `unsigned int' by default, however overridden as 16-bit `unsigned
short' in port-specific <asm/posix_types.h> for the SuperH target.
The default is already handled, as from the commit referred. Add the
other variant then and provide a backend flag to switch between the two
cases possible, with the 32-bit one being the default and the 16-bit one
explicitly selected. Set the flag in the SuperH target backend. This
arrangement is analogous to how the 32-bit Linux core PRPSINFO note is
handled.
bfd/
* elf-bfd.h (elf_backend_data): Add `linux_prpsinfo64_ugid16'
member.
* elf-linux-core.h (elf_external_linux_prpsinfo64): Rename to...
(elf_external_linux_prpsinfo64_ugid32): ... this.
(swap_linux_prpsinfo32_out): Rename to...
(swap_linux_prpsinfo32_ugid32_out): ... this.
(elf_external_linux_prpsinfo64_ugid16): New structure.
(swap_linux_prpsinfo64_ugid16_out): New function.
* elfxx-target.h [!elf_backend_linux_prpsinfo64_ugid16]
(elf_backend_linux_prpsinfo64_ugid16): Define.
(elfNN_bed): Initialize `linux_prpsinfo64_ugid16' member.
* elf.c (elfcore_write_linux_prpsinfo64): Handle both variants
of the 64-bit Linux core PRPSINFO note.
* elf64-sh64.c (elf_backend_linux_prpsinfo64_ugid16): Define.
|
|
Fix commit 70a38d42c5b3 ("New entry points for writing Linux NT_PRPSINFO
notes."), <https://sourceware.org/ml/binutils/2013-02/msg00023.html>,
and commit b3ac9c77560a ("Put more info in NT_PRPSINFO Linux notes"),
<https://sourceware.org/ml/binutils/2013-02/msg00024.html>, and handle
both variants of the 32-bit Linux core PRPSINFO note across all targets.
The 32-bit Linux core PRPSINFO note matches the 32-bit kernel structure,
defined as follows:
(gdb) ptype struct elf_prpsinfo
type = struct elf_prpsinfo {
char pr_state;
char pr_sname;
char pr_zomb;
char pr_nice;
unsigned long pr_flag;
__kernel_uid_t pr_uid;
__kernel_gid_t pr_gid;
pid_t pr_pid;
pid_t pr_ppid;
pid_t pr_pgrp;
pid_t pr_sid;
char pr_fname[16];
char pr_psargs[80];
}
(gdb)
where the individual data types of most members are the same across all
32-bit Linux ports, with the exception of `__kernel_uid_t' and
`__kernel_gid_t'. These are defined in <asm-generic/posix_types.h> as
32-bit `unsigned int' by default, however overridden as 16-bit `unsigned
short' in port-specific <asm/posix_types.h> for a few targets, mostly
earlier ports of Linux, specifically: ARM, CRIS, FR-V, M32R, m68k,
MN10300/AM33, s390, SuperH, SPARC and i386.
The default is the same as the PowerPC variant already handled, as from
the commits referred. Make the special PowerPC case generic then,
removing the GDB part, and provide a backend flag to switch between the
two cases possible, with the 32-bit one being the default and the 16-bit
one explicitly selected. Set the flag in the target backends affected.
bfd/
* elf-bfd.h (elf_backend_data): Add `linux_prpsinfo32_ugid16'
member.
(elfcore_write_ppc_linux_prpsinfo32): Remove prototype.
* elf32-ppc.c (elfcore_write_ppc_linux_prpsinfo32): Remove.
(elf_external_ppc_linux_prpsinfo32)
(swap_ppc_linux_prpsinfo32_out): Move to...
* elf-linux-core.h (elf_external_linux_prpsinfo32_ugid32)
(swap_linux_prpsinfo32_ugid32_out): ... these.
(elf_external_linux_prpsinfo32): Rename to...
(elf_external_linux_prpsinfo32_ugid16): ... this.
(swap_linux_prpsinfo32_out): Rename to...
(swap_linux_prpsinfo32_ugid16_out): ... this.
* elfxx-target.h [!elf_backend_linux_prpsinfo32_ugid16]
(elf_backend_linux_prpsinfo32_ugid16): Define.
(elfNN_bed): Initialize `linux_prpsinfo32_ugid16' member.
* elf.c (elfcore_write_linux_prpsinfo32): Handle both variants
of the 32-bit Linux core PRPSINFO note.
* elf32-am33lin.c (elf_backend_linux_prpsinfo32_ugid16): Define.
* elf32-arm.c (elf_backend_linux_prpsinfo32_ugid16): Define.
* elf32-cris.c (elf_backend_linux_prpsinfo32_ugid16): Define.
* elf32-frv.c (elf_backend_linux_prpsinfo32_ugid16): Define.
* elf32-i386.c (elf_backend_linux_prpsinfo32_ugid16): Define.
* elf32-m32r.c (elf_backend_linux_prpsinfo32_ugid16): Define.
* elf32-m68k.c (elf_backend_linux_prpsinfo32_ugid16): Define.
* elf32-s390.c (elf_backend_linux_prpsinfo32_ugid16): Define.
* elf32-sh.c (elf_backend_linux_prpsinfo32_ugid16): Define.
* elf32-sparc.c (elf_backend_linux_prpsinfo32_ugid16): Define.
gdb/
* ppc-linux-tdep.c (ppc_linux_init_abi): Remove call to
`set_gdbarch_elfcore_write_linux_prpsinfo'.
|
|
Add a new ELF backend method to grok FreeBSD NT_PRSTATUS core dump
notes. Define a method for MIPS N32 to override the default
elfcore_grok_freebsd_prstatus that accounts for additional padding
between pr_pid and pr_reg that is not present in other 32-bit FreeBSD
platforms.
* elf-bfd.h (struct elf_backend_data): Add
`elf_backend_grok_freebsd_prstatus'.
* elf.c (elfcore_grok_freebsd_note): Call
`elf_backend_grok_freebsd_prstatus' to handle NT_PRSTATUS if
present.
* elfn32-mips.c (elf_n32_mips_grok_freebsd_prstatus): New
function.
(elf_backend_grok_freebsd_prstatus): Define.
* elfxx-target.h (elf_backend_grok_freebsd_prstatus): Define.
(elfNN_bed): Initialize `elf_backend_grok_freebsd_prstatus'.
|
|
bfd/ChangeLog:
* elf.c (elfcore_grok_freebsd_note): Handle NT_ARM_VFP.
|
|
This fixes a wart I've known about for years, but haven't done
anything about because BFD treats relocation sections as an adjunct to
the section they relocate. SHF_GROUP on the section thus implicitly
applies to its relocation section(s), but it is an error that the
reloc sections aren't part of the group.
Like many patches to gas, this wasn't as straightforward as it could
be due to a number of backends, i386, cr16 and others, removing relocs
in tc_get_reloc rather than marking them as "done" earlier in
md_apply_reloc. So it isn't possible for the group support to
reliably detect the presence of relocs by looking at fixups earlier
than write_relocs. However the group support needs to create
signature symbols, and that must be done before the symbol table is
frozen, before write_relocs. So split off the group sizing from
elf_adjust_symtab and put it in elf_frob_file_after_relocs.
bfd/
PR 21167
* elf.c (_bfd_elf_setup_sections): Don't trim reloc sections from
groups.
(_bfd_elf_init_reloc_shdr): Pass sec_hdr, use it to copy SHF_GROUP
flag from section.
(elf_fake_sections): Adjust calls. Exit immediately on failure.
(bfd_elf_set_group_contents): Add associated reloc section indices
to group contents
gas/
PR 21167
* config/obj-elf.c (struct group_list): Delete elt_count.
(groups): New static.
(build_group_lists): Don't count elements.
(elf_adjust_symtab): Use groups rather than auto list. Set up
pointer from group member to SHT_GROUP section. Don't size
SHT_GROUP section or clean up here..
(elf_frob_file_after_relocs): ..do so here instead.
* testsuite/gas/arc/jli-1.d,
* testsuite/gas/elf/groupautob.d,
* testsuite/gas/mips/compact-eh-eb-2.d,
* testsuite/gas/mips/compact-eh-eb-5.d,
* testsuite/gas/mips/compact-eh-el-2.d,
* testsuite/gas/mips/compact-eh-el-5.d: Adjust.
ld/
PR 21167
* testsuite/ld-elf/group9b.d: Adjust for relocs included in group.
|
|
The sanity check covers the previous minimim size, plus that the size
is at least enough for sh_info verneed entries.
Also, since we write all verneed fields or exit with an error, there
isn't any need to zero the memory allocated for verneed entries.
PR 22166
* elf.c (_bfd_elf_slurp_version_tables): Test sh_info on
SHT_GNU_verneed section for sanity. Don't zalloc memory for
verref.
|
|
Fix two typos that resulted in swapping the BFD names for the core note
register sections NT_S390_GS_CB and NT_S390_GS_BC.
bfd/ChangeLog:
* elf.c (elfcore_grok_note): For the cases NT_S390_GS_CB and
NT_S390_GS_BC, correct the previously swapped invocations of
elfcore_grok_s390_gs_bc and elfcore_grok_s390_gs_cb.
|
|
PR 21957
* elf.c (setup_group): Check for an empty or very small group
section.
* po/bfd.pot: Regenerate.
|
|
size -1.
PR 21933
* elf.c (elf_read_notes): Check for a note size of -1.
|
|
PR 21916
* elf-attrs.c (_bfd_elf_parse_attributes): Complain about very
small section lengths.
* elf.c (_bfd_elf_setup_sections): Skip empty entries in the group
table.
(elfcore_grok_freebsd_prstatus): Add checks to make sure that
there is enough data present in the note.
|
|
|
|
This patch uses the new %L _bfd_error_handler support for printing
bfd_vma arguments, and fixes a many other format and/or argument
errors in error messages.
bfd/
* binary.c (binary_set_section_contents): Don't print filepos in
error message.
(coff_write_object_contents): Cast size_t for error message.
(coff_slurp_line_table): Don't use bfd_vma symndx.
(coff_slurp_reloc_table): Remove unneeded cast.
* dwarf2.c (read_section): Cast bfd_int64_t to long long for
error message.
(find_abstract_instance_name): Likewise.
* elf32-arm.c (arm_type_of_stub): Correct error arg order.
(bfd_elf32_arm_stm32l4xx_erratum_scan): Don't cast error arg.
(elf32_arm_check_relocs): Make r_symndx an int.
* elf32-cris.c (cris_elf_check_relocs): Delete extraneous %s in
format string.
* elf32-metag.c (elf_metag_relocate_section): Delete extra error
message arg.
* elf32-nds32.c (nds32_elf_ex9_build_hash_table): Rewrite bogus
error message.
* elf32-i386.c (elf_i386_check_relocs): Make r_symndx an int.
* elf32-s390.c (elf_s390_check_relocs): Likewise.
* elf32-tic6x.c (elf32_tic6x_check_relocs): Likewise.
* elf32-tilepro.c (tilepro_elf_check_relocs): Likewise.
* elf32-xtensa.c (elf_xtensa_check_relocs): Likewise.
* elf64-s390.c (elf_s390_check_relocs): Likewise.
* elf64-x86-64.c (elf_x86_64_check_relocs): Likewise.
* elfnn-aarch64.c (elfNN_aarch64_check_relocs): Likewise.
* elfnn-riscv.c (riscv_elf_check_relocs): Likewise.
* elfxx-sparc.c (_bfd_sparc_elf_check_relocs): Likewise.
* elfxx-tilegx.c (tilegx_elf_check_relocs): Likewise.
* elf64-mmix.c (_bfd_mmix_after_linker_allocation): Cast size_t args
and use %lu for error message.
* elflink.c (elf_link_adjust_relocs): Delete extra error message arg.
* mmo.c (mmo_scan): Make stab_loc a file_ptr. Cast expression for
error message.
* elf32-arm.c (elf32_arm_tls_relax): Correct format string and args
in error message.
(elf32_arm_final_link_relocate): Likewise.
* coff-arm.c (bfd_arm_process_before_allocation): Likewise.
* coffcode.h (styp_to_sec_flags): Likewise.
* cofflink.c (_bfd_coff_write_global_sym): Likewise.
* ecoff.c (_bfd_ecoff_slurp_symbol_table): Likewise.
* elf32-arc.c (arc_elf_merge_private_bfd_data): Likewise.
* elf32-bfin.c (bfinfdpic_check_relocs): Likewise.
(elf32_bfin_merge_private_bfd_data): Likewise.
* elf32-cris.c (cris_elf_relocate_section): Likewise.
* elf32-frv.c (frv_elf_merge_private_bfd_data): Likewise.
* elf32-i370.c (i370_elf_merge_private_bfd_data): Likewise.
(i370_elf_relocate_section): Likewise.
* elf32-iq2000.c (iq2000_elf_merge_private_bfd_data): Likewise.
* elf32-m32c.c (m32c_elf_merge_private_bfd_data): Likewise.
* elf32-m68hc1x.c (_bfd_m68hc11_elf_merge_private_bfd_data): Likewise.
* elf32-mcore.c (mcore_elf_relocate_section): Likewise.
* elf32-mep.c (mep_elf_merge_private_bfd_data): Likewise.
* elf32-mt.c (mt_elf_merge_private_bfd_data): Likewise.
* elf64-sparc.c (elf64_sparc_merge_private_bfd_data): Likewise.
* elfxx-mips.c (mips_elf_merge_obj_e_flags): Likewise.
(_bfd_mips_elf_merge_private_bfd_data): Likewise.
* ieee.c (ieee_write_id, read_id): Likewise.
* mach-o.c (bfd_mach_o_write_contents): Likewise.
(bfd_mach_o_layout_commands, bfd_mach_o_read_section_32): Likewise.
(bfd_mach_o_read_section_64, bfd_mach_o_read_symtab_symbol): Likewise.
(bfd_mach_o_read_command, bfd_mach_o_header_p): Likewise.
* peXXigen.c (_bfd_XXi_swap_aouthdr_in): Likewise.
* stabs.c (_bfd_link_section_stabs): Likewise.
* coff-arm.c (coff_arm_relocate_section): Use L modifier in error
format.
* coff-mcore.c (coff_mcore_relocate_section): Likewise.
* coff-ppc.c (coff_ppc_relocate_section): Likewise.
* coff-rs6000.c (xcoff_reloc_type_toc): Likewise.
* coff-sh.c (sh_relax_section): Likewise.
(sh_relax_delete_bytes, sh_swap_insns): Likewise.
* coff-tic80.c (coff_tic80_relocate_section): Likewise.
* coffcode.h (coff_slurp_reloc_table): Likewise.
* coffgen.c (_bfd_coff_get_external_symbols): Likewise.
(_bfd_coff_read_string_table): Likewise.
* cofflink.c (_bfd_coff_generic_relocate_section): Likewise.
* compress.c (bfd_get_full_section_contents): Likewise.
* dwarf2.c (read_formatted_entries, decode_line_info): Likewise.
* elf-m10300.c (mn10300_elf_relocate_section): Likewise.
* elf.c (bfd_elf_string_from_elf_section): Likewise.
* elf32-arc.c (arc_special_overflow_checks): Likewise.
* elf32-arm.c (elf32_arm_tls_relax): Likewise.
(elf32_arm_final_link_relocate, elf32_arm_relocate_section): Likewise.
(elf32_arm_write_section): Likewise.
* elf32-bfin.c (bfin_relocate_section): Likewise.
(bfinfdpic_relocate_section): Likewise.
* elf32-hppa.c (hppa_build_one_stub): Likewise.
(final_link_relocate, elf32_hppa_relocate_section): Likewise.
* elf32-i386.c (elf_i386_tls_transition): Likewise.
(elf_i386_relocate_section): Likewise.
* elf32-ip2k.c (ip2k_final_link_relocate): Likewise.
* elf32-lm32.c (lm32_elf_finish_dynamic_sections): Likewise.
* elf32-m32r.c (m32r_elf_relocate_section): Likewise.
* elf32-m68k.c (elf_m68k_relocate_section): Likewise.
* elf32-metag.c (elf_metag_relocate_section): Likewise.
* elf32-nds32.c (unrecognized_reloc_msg): Likewise.
(nds32_elf_relax_longcall1, nds32_elf_relax_longcall2): Likewise.
(nds32_elf_relax_longcall3, nds32_elf_relax_longjump1): Likewise.
(nds32_elf_relax_longjump2, nds32_elf_relax_longjump3): Likewise.
(nds32_elf_relax_longcall4, nds32_elf_relax_longcall5): Likewise.
(nds32_elf_relax_longcall6, nds32_elf_relax_longjump4): Likewise.
(nds32_elf_relax_longjump5, nds32_elf_relax_longjump6): Likewise.
(nds32_elf_relax_longjump7, nds32_elf_relax_loadstore): Likewise.
(nds32_elf_relax_ptr, nds32_elf_ex9_build_hash_table): Likewise.
* elf32-nios2.c (nios2_elf32_relocate_section): Likewise.
* elf32-rx.c (UNSAFE_FOR_PID): Likewise.
* elf32-s390.c (invalid_tls_insn, elf_s390_relocate_section): Likewise.
* elf32-score.c (s3_bfd_score_elf_check_relocs): Likewise.
* elf32-score7.c (s7_bfd_score_elf_check_relocs): Likewise.
* elf32-sh.c (sh_elf_relax_section): Likewise.
(sh_elf_relax_delete_bytes, sh_elf_swap_insns): Likewise.
(sh_elf_relocate_section): Likewise.
* elf32-sh64.c (shmedia_prepare_reloc): Likewise.
* elf32-spu.c (spu_elf_relocate_section): Likewise.
* elf32-tic6x.c (elf32_tic6x_relocate_section): Likewise.
* elf32-tilepro.c (tilepro_elf_relocate_section): Likewise.
* elf32-v850.c (v850_elf_relax_section): Likewise.
* elf32-vax.c (elf_vax_check_relocs): Likewise.
(elf_vax_relocate_section): Likewise.
* elf32-xtensa.c (elf_xtensa_relocate_section): Likewise.
(extend_ebb_bounds_forward, extend_ebb_bounds_backward): Likewise.
(compute_text_actions, compute_ebb_proposed_actions): Likewise.
(do_fix_for_relocatable_link): Likewise.
* elf64-alpha.c (elf64_alpha_relax_got_load): Likewise.
(elf64_alpha_relax_with_lituse): Likewise.
* elf64-hppa.c (elf64_hppa_finish_dynamic_symbol): Likewise.
(elf_hppa_final_link_relocate): Likewise.
* elf64-ia64-vms.c (elf64_ia64_relax_section): Likewise.
(elf64_ia64_choose_gp, elf64_ia64_relocate_section): Likewise.
(elf64_vms_link_add_object_symbols): Likewise.
* elf64-mmix.c (mmix_elf_perform_relocation): Likewise.
(mmix_final_link_relocate): Likewise.
* elf64-s390.c (invalid_tls_insn): Likewise.
(elf_s390_relocate_section): Likewise.
* elf64-sh64.c (sh_elf64_relocate_section): Likewise.
* elf64-x86-64.c (elf_x86_64_tls_transition): Likewise.
(elf_x86_64_relocate_section): Likewise.
* elfcode.h (elf_slurp_symbol_table): Likewise.
* elfcore.h (elf_core_file_p): Likewise.
* elflink.c (elf_link_read_relocs_from_section): Likewise.
* elfnn-aarch64.c (elfNN_aarch64_final_link_relocate): Likewise.
(elfNN_aarch64_relocate_section): Likewise.
* elfnn-ia64.c (elfNN_ia64_relax_section): Likewise.
(elfNN_ia64_choose_gp, elfNN_ia64_relocate_section): Likewise.
* elfnn-riscv.c (riscv_elf_relocate_section): Likewise.
* elfxx-mips.c (_bfd_mips_elf_check_relocs): Likewise.
(_bfd_mips_elf_relocate_section): Likewise.
(_bfd_mips_elf_finish_dynamic_symbol, mips_finish_exec_plt): Likewise.
* elfxx-sparc.c (_bfd_sparc_elf_relocate_section): Likewise.
* elfxx-tilegx.c (tilegx_elf_relocate_section): Likewise.
* ieee.c (ieee_slurp_external_symbols): Likewise.
* ihex.c (ihex_write_object_content): Likewise.
* mach-o.c (bfd_mach_o_build_exec_seg_command): Likewise.
* merge.c (_bfd_merged_section_offset): Likewise.
* mmo.c (mmo_write_loc_chunk): Likewise.
(mmo_write_object_contents): Likewise.
* peXXigen.c (_bfd_XX_bfd_copy_private_bfd_data_common): Likewise.
* stabs.c (_bfd_link_section_stabs): Likewise.
* xcofflink.c (xcoff_link_add_symbols, xcoff_find_tc0): Likewise.
ld/
* testsuite/ld-arc/nps-1b.err: Update.
* testsuite/ld-x86-64/ilp32-11.d: Update.
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|
bfd/ChangeLog:
* elf.c (elfcore_grok_freebsd_note): Handle NT_FREEBSD_PTLWPINFO.
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|
One way to print 64-bit bfd_vma or bfd_size_type values on 32-bit
hosts is to cast the value to long long and use the 'll' modifier in
printf format strings. However, that's awkward because we also
support the Microsoft C library printf that uses 'I64' as a modifier
instead, and having variants of translated strings would not endear us
to the translation project. So, rewrite the 'll' modifier in
_doprint for Microsoft. Even with that capability it's not so nice
for 32-bit code to need casts to long long, so this patch makes 'L' a
modifier for bfd_vma rather than an alias for 'll'.
I've then used the new 'L' modifier to fix selected format strings.
* bfd.c (_doprnt): Rewrite "ll" and "L" modifiers to "I64" for
__MSVCRT__. Support "L" modifier for bfd_vma. Formatting.
* elf.c (setup_group): Use "Lx" to print sh_size.
(_bfd_elf_setup_sections): Remove unnecessary cast and print
unknown section type in hex.
(copy_special_section_fields): Style fix.
(bfd_section_from_shdr): Correct format for sh_link. Use a
common error message for all the variants of unrecognized
section types.
(assign_file_positions_for_load_sections): Use "Lx" for lma
adjust error message.
(assign_file_positions_for_non_load_sections): Formatting.
(rewrite_elf_program_header): Formatting. Use "Lx" for
bfd_vma values in error messages.
* elfcode.h (elf_slurp_reloc_table_from_section): Cast
ELF_R_SYM value to type expected by format.
* elflink.c (elf_link_read_relocs_from_section): Use "Lx"
in error messages.
(elf_link_add_object_symbols): Use "Lu" for symbol sizes.
(elf_link_input_bfd): Use "Lx" for r_info.
(bfd_elf_gc_record_vtinherit): Use "Lx" for offset.
|
|
* elf.c (_bfd_elf_print_private_bfd_data): Use BFD_VMA_FMT to
print d_tag.
(bfd_elf_print_symbol): Don't cast symbol->flags.
(_bfd_elf_symbol_from_bfd_symbol): Likewise.
* elf32-ppc.c (ppc_elf_begin_write_processing): Correct
_bfd_error_handler argument order.
(ppc_elf_merge_private_bfd_data): Don't cast flags.
|
|
Newer Linux kernel versions offer two new register sets in support of the
z/Architecture's guarded storage facility: NT_S390_GS_CB, the
"guarded-storage registers", and NT_S390_GS_BC, the "guarded-storage
broadcast control block". This patch adds support for the respective core
notes sections to binutils.
bfd/ChangeLog:
* elf-bfd.h (elfcore_write_s390_gs_cb): Add prototype.
(elfcore_write_s390_gs_bc): Likewise.
* elf.c (elfcore_grok_s390_gs_cb): New function.
(elfcore_grok_s390_gs_bc): New function.
(elfcore_grok_note): Call them.
(elfcore_write_s390_gs_cb): New function.
(elfcore_write_s390_gs_bc): New function.
(elfcore_write_register_note): Call them.
binutils/ChangeLog:
* readelf.c (get_note_type): Add NT_S390_GS_CB and NT_S390_GS_BC.
include/ChangeLog:
* elf/common.h (NT_S390_GS_CB): New macro.
(NT_S390_GS_BC): Likewise.
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|
The out-of-bounds access is reproducible on 'ia64-strip' command
(see sample from https://bugs.gentoo.org/show_bug.cgi?id=622500)
The output file contains less section than original one.
This tricks 'hint' access to go out-of-bounds:
* elf.c (find_link): Bounds check "hint".
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|
PR binutils/21640
* elf.c (setup_group): Zero the group section pointer list after
allocation so that loops can be caught. Check for NULL pointers
when processing a group list.
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|
GAS always places section groups (SHT_GROUP) before the rest of the
sections in the output file. However, other assemblers may place
section groups after the group members.
This patch fixes handlign such situations, and removes some duplicated
logic.
bfd/ChangeLog:
2017-06-06 Jose E. Marchesi <jose.marchesi@oracle.com>
* elf.c (setup_group): Make sure BFD sections are created for all
group sections in the input file when processing SHF_GROUP
sections.
(bfd_section_from_shdr): Avoid duplicating logic already
implemented in `setup_group'.
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|
This commit adds a new linker feature: the ability to resolve section
groups as part of a relocatable link.
Currently section groups are automatically resolved when performing a
final link, and are carried through when performing a relocatable link.
By carried through this means that one copy of each section group (from
all the copies that might be found in all the input files) is placed
into the output file. Sections that are part of a section group will
not match input section specifiers within a linker script and are
forcibly kept as separate sections.
There is a slight resemblance between section groups and common
section. Like section groups, common sections are carried through when
performing a relocatable link, and resolved (allocated actual space)
only at final link time.
However, with common sections there is an ability to force the linker to
allocate space for the common sections when performing a relocatable
link, there's currently no such ability for section groups.
This commit adds such a mechanism. This new facility can be accessed in
two ways, first there's a command line switch --force-group-allocation,
second, there's a new linker script command FORCE_GROUP_ALLOCATION. If
one of these is used when performing a relocatable link then the linker
will resolve the section groups as though it were performing a final
link, the section group will be deleted, and the members of the group
will be placed like normal input sections. If there are multiple copies
of the group (from multiple input files) then only one copy of the group
members will be placed, the duplicate copies will be discarded.
Unlike common sections that have the --no-define-common command line
flag, and INHIBIT_COMMON_ALLOCATION linker script command there is no
way to prevent group resolution during a final link, this is because the
ELF gABI specifically prohibits the presence of SHT_GROUP sections in a
fully linked executable. However, the code as written should make
adding such a feature trivial, setting the new resolve_section_groups
flag to false during a final link should work as you'd expect.
bfd/ChangeLog:
* elf.c (_bfd_elf_make_section_from_shdr): Don't initially mark
SEC_GROUP sections as SEC_EXCLUDE.
(bfd_elf_set_group_contents): Replace use of abort with an assert.
(assign_section_numbers): Use resolve_section_groups flag instead
of relocatable link type.
(_bfd_elf_init_private_section_data): Use resolve_section_groups
flag instead of checking the final_link flag for part of the
checks in here. Fix white space as a result.
* elflink.c (elf_link_input_bfd): Use resolve_section_groups flag
instead of relocatable link type.
(bfd_elf_final_link): Likewise.
include/ChangeLog:
* bfdlink.h (struct bfd_link_info): Add new resolve_section_groups
flag.
ld/ChangeLog:
* ld.h (struct args_type): Add force_group_allocation field.
* ldgram.y: Add support for FORCE_GROUP_ALLOCATION.
* ldlex.h: Likewise.
* ldlex.l: Likewise.
* lexsup.c: Likewise.
* ldlang.c (unique_section_p): Check resolve_section_groups flag
not the relaxable link flag.
(lang_add_section): Discard section groups when we're resolving
groups. Clear the SEC_LINK_ONCE flag if we're resolving section
groups.
* ldmain.c (main): Initialise resolve_section_groups flag in
link_info based on command line flags.
* testsuite/ld-elf/group11.d: New file.
* testsuite/ld-elf/group12.d: New file.
* testsuite/ld-elf/group12.ld: New file.
* NEWS: Mention new features.
* ld.texinfo (Options): Document --force-group-allocation.
(Miscellaneous Commands): Document FORCE_GROUP_ALLOCATION.
|
|
Correct a commit e5713223cbc1 ("MIPS/BFD: For n64 hold the number of
internal relocs in `->reloc_count'") regression and change internal
relocation handling in the generic ELF BFD linker code such that, except
in the presence of R_SPARC_OLO10 relocations, a section's `reloc_count'
holds the number of internal rather than external relocations, making
the handling more consistent between GAS, which sets `->reloc_count'
with a call to `bfd_set_reloc', and LD, which sets `->reloc_count' as it
reads input sections.
The handling of dynamic relocations remains unchanged and they continue
holding the number of external relocations in `->reloc_count'; they are
also not converted to the internal form except in `elf_link_sort_relocs'
(which does not handle the general, i.e. non-n64-MIPS case of composed
relocations correctly as per the ELF gABI, though it does not seem to
matter for the targets we currently support).
The n64 MIPS backend is the only one with `int_rels_per_ext_rel' set to
non-one, and consequently the change is trivial for all the remaining
backends and targets.
bfd/
* elf-bfd.h (RELOC_AGAINST_DISCARDED_SECTION): Subtract `count'
from `reloc_count' rather than decrementing it.
* elf.c (bfd_section_from_shdr): Multiply the adjustment to
`reloc_count' by `int_rels_per_ext_rel'.
* elf32-score.c (score_elf_final_link_relocate): Do not multiply
`reloc_count' by `int_rels_per_ext_rel' for last relocation
entry determination.
(s3_bfd_score_elf_check_relocs): Likewise.
* elf32-score7.c (score_elf_final_link_relocate): Likewise.
(s7_bfd_score_elf_relocate_section): Likewise.
(s7_bfd_score_elf_check_relocs): Likewise.
* elf64-mips.c (mips_elf64_get_reloc_upper_bound): Remove
prototype and function.
(mips_elf64_slurp_one_reloc_table): Do not update `reloc_count'.
(mips_elf64_slurp_reloc_table): Assert that `reloc_count' is
triple rather than once the sum of REL and RELA relocation entry
counts.
(bfd_elf64_get_reloc_upper_bound): Remove macro.
* elflink.c (_bfd_elf_link_read_relocs): Do not multiply
`reloc_count' by `int_rels_per_ext_rel' for internal relocation
storage allocation size determination.
(elf_link_input_bfd): Multiply `.ctors' and `.dtors' section's
size by `int_rels_per_ext_rel'. Do not multiply `reloc_count'
by `int_rels_per_ext_rel' for last relocation entry
determination.
(bfd_elf_final_link): Do not multiply `reloc_count' by
`int_rels_per_ext_rel' for internal relocation storage
allocation size determination.
(init_reloc_cookie_rels): Do not multiply `reloc_count' by
`int_rels_per_ext_rel' for last relocation entry determination.
(elf_gc_smash_unused_vtentry_relocs): Likewise.
* elfxx-mips.c (_bfd_mips_elf_check_relocs): Likewise.
(_bfd_mips_elf_relocate_section): Likewise.
|
|
FreeBSD ELF cores contain data structures with that have two different
layouts: one for ILP32 platforms and a second for LP64 platforms.
Previously, the code used 'bits_per_word' from 'arch_info', but this
field is not a reliable indicator of the format for FreeBSD MIPS cores
in particular.
I had originally posted this patch back in November because process
cores for FreeBSD MIPS contained an e_flags value of 0 in the header
which resulted in a bfd_arch which always had 'bits_per_word' set to
32. This permitted reading o32 cores, but not n64 cores. The feedback
I received then was to try to change n64 cores to use a different
default bfd_arch that had a 64-bit 'bits_per_word' when e_flags was zero.
I submitted a patch to that effect but it was never approved. Instead,
I changed FreeBSD's kernel and gcore commands to preserve the e_flags
field from an executable when generating process cores. With a proper
e_flags field in process cores, n64 cores now use a 64-bit bfd_arch and
now work fine. However, the change to include e_flags in the process
cores had the unintended side effect of breaking handling of o32
process cores. Specifically, FreeBSD MIPS builds o32 with a default
MIPS architecture of 'mips3', thus FreeBSD process cores with a non-zero
e_flags match the 'mips3' bfd_arch which has 64 'bits_per_word'.
From this, it seems that 'bits_per_word' for FreeBSD MIPS is not likely
to ever be completely correct. However, FreeBSD core dumps do
reliably set the ELF class to ELFCLASS32 for cores using ILP32 and
ELFCLASS64 for cores using LP64. As such, I think my original patch of
using the ELF class instead of 'bits_per_word' is probably the simplest
and most reliable approach for detecting the note structure layout.
bfd/ChangeLog:
* elf.c (elfcore_grok_freebsd_psinfo): Use ELF header class to
determine structure sizes.
(elfcore_grok_freebsd_prstatus): Likewise.
|
|
bfd/
* arc-got.h: Don't compare boolean values against TRUE or FALSE.
* elf-m10300.c: Likewise.
* elf.c: Likewise.
* elf32-arc.c: Likewise.
* elf32-bfin.c: Likewise.
* elf32-m68k.c: Likewise.
* elf32-nds32.c: Likewise.
* elf32-tilepro.c: Likewise.
* elflink.c: Likewise.
* elfnn-aarch64.c: Likewise.
* elfnn-riscv.c: Likewise.
* elfxx-tilegx.c: Likewise.
* mach-o.c: Likewise.
* peXXigen.c: Likewise.
* vms-alpha.c: Likewise.
* vms-lib.c: Likewise.
opcodes/
* aarch64-asm.c: Don't compare boolean values against TRUE or FALSE.
* aarch64-dis.c: Likewise.
* aarch64-gen.c: Likewise.
* aarch64-opc.c: Likewise.
binutils/
* strings.c: Don't compare boolean values against TRUE or FALSE.
gas/
* config/tc-aarch64.c: Don't compare booleans against TRUE or FALSE.
* config/tc-hppa.c: Likewise.
* config/tc-mips.c: Likewise.
* config/tc-score7.c: Likewise.
ld/
* emultempl/elf32.em: Don't compare boolean values against TRUE or FALSE.
* emultempl/pe.em: Likewise.
* emultempl/pep.em: Likewise.
* emultempl/xtensaelf.em: Likewise.
|
|
PR 21414
* section.c (GLOBAL_SYM_INIT): Make available in bfd.h.
* elf.c (lcomm_sym): New.
(_bfd_elf_large_com_section): Use lcomm_sym section symbol.
* bfd-in2.h: Regenerate.
|
|
This patch fixes an assumption made by code that runs for objcopy and
strip, that SHT_REL/SHR_RELA sections are always named starting with a
.rel/.rela prefix. I'm also modifying the interface for
elf_backend_get_reloc_section, so any backend function just needs to
handle name mapping.
PR 21412
* elf-bfd.h (struct elf_backend_data <get_reloc_section>): Change
parameters and comment.
(_bfd_elf_get_reloc_section): Delete.
(_bfd_elf_plt_get_reloc_section): Declare.
* elf.c (_bfd_elf_plt_get_reloc_section, elf_get_reloc_section):
New functions. Don't blindly skip over assumed .rel/.rela prefix.
Extracted from..
(_bfd_elf_get_reloc_section): ..here. Delete.
(assign_section_numbers): Call elf_get_reloc_section.
* elf64-ppc.c (elf_backend_get_reloc_section): Define.
* elfxx-target.h (elf_backend_get_reloc_section): Update.
|
|
Not a comprehensive change, just some split out from fixes made for
the %A and %B changes.
* coffcode.h: Wrap some overly long _bfd_error_handler args.
* elf.c: Likewise.
* elf32-arm.c: Likewise.
* elf32-i386.c: Likewise.
* elf32-mep.c: Likewise.
* elf64-ia64-vms.c: Likewise.
* elf64-x86-64.c: Likewise.
* elflink.c: Likewise.
* elfnn-ia64.c: Likewise.
* elfxx-mips.c: Likewise.
|
