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[In the sequel TS means $(top_srcdir) and TB means $(top_builddir)]
The Texinfo file TS/bfd/doc/bfd.texi @includes many other .texi files
such as:
bfdt.texi
bfdio.texi
section.texi
...
These .texi files are generated from the bfd/*.c source files, by a
program called `chew' that is distributed along with BFD, via some
default rules and macro magic in TS/bfd/doc/local.mk. Important
point: the .texi files are generated in TB/bfd/doc/, not TS/bfd/doc.
Now, AM_MAKEINFOFLAGS in local.mk is defined as:
AM_MAKEINFOFLAGS = --no-split -I "$(srcdir)/%D%" -I %D%
Where %D% is 'doc/' in this case. Now, it looks like the directory
containing the .texi file is automatically inserted in the @include
search path, so the -I %D% above places TB/bfd/doc _after_ TS/bfd/doc.
Since currently TS/bfd/doc/bfdt.texi is outdated and is missing some
nodes, the error above happens.
This patch changes bfd/doc/local.mk to use -P to prepend the current
build directory to the @include search path, rather than -I, which
appends it.
bfd/ChangeLog:
2025-01-23 Jose E. Marchesi <jose.marchesi@oracle.com>
* doc/local.mk (AM_MAKEINFOFLAGS): Prepend the build directory to
the @include search path.
* Makefile.in: Regenerate.
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As per the spec (Section 7.5.10, LoongArch Reference Manual Vol. 1),
LoongArch machines are not limited in page size choices, and currently
page sizes of 4KiB, 16KiB and 64KiB are supported by mainline Linux.
While 16KiB is the most common, the current BFD code says it is the
maximum; this is not correct, and as an effect, almost all existing
binaries are incompatible with a 64KiB kernel because the sections are
not sufficiently aligned, while being totally fine otherwise.
This is needlessly complicating integration testing [1].
This patch fixes the inconsistency, and also brings BFD behavior in line
with that of LLD [2].
[1] https://github.com/loongson-community/discussions/issues/47
[2] https://github.com/llvm/llvm-project/blob/llvmorg-19.1.0/lld/ELF/Arch/LoongArch.cpp#L174-L183
bfd/
* elfnn-loongarch.c (ELF_MAXPAGESIZE): Bump to 64KiB.
(ELF_MINPAGESIZE): Define as 4KiB.
(ELF_COMMONPAGESIZE): Define as 16KiB.
ld/
* testsuite/ld-loongarch-elf/64_pcrel.d: Update assertions after
changing the target max page size to 64KiB.
* testsuite/ld-loongarch-elf/data-got.d: Likewise.
* testsuite/ld-loongarch-elf/desc-relex.d: Likewise.
* testsuite/ld-loongarch-elf/relax-align-ignore-start.d: Likewise.
* testsuite/ld-loongarch-elf/tlsdesc_abs.d: Make the fuzzy match work
as intended by not checking exact instruction words.
* testsuite/ld-loongarch-elf/tlsdesc_extreme.d: Likewise.
Signed-off-by: WANG Xuerui <git@xen0n.name>
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Adds two new external authors to etc/update-copyright.py to cover
bfd/ax_tls.m4, and adds gprofng to dirs handled automatically, then
updates copyright messages as follows:
1) Update cgen/utils.scm emitted copyrights.
2) Run "etc/update-copyright.py --this-year" with an extra external
author I haven't committed, 'Kalray SA.', to cover gas testsuite
files (which should have their copyright message removed).
3) Build with --enable-maintainer-mode --enable-cgen-maint=yes.
4) Check out */po/*.pot which we don't update frequently.
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PR 31106
* elfcode.h (elf_write_relocs): Do not convert a relocation against a zero-value absolute symbol into a relocation without a symbol if the symbol is being used for a complex relocation.
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gnu.warning.SYM
PR 31067
* linker.c (_bfd_generic_link_add_one_symbol): When issuing a warning message, also display a message about the warning not being affected by garbage colleciton.
* ld.texi (Special Sections): New entry in the linker manual. Describes how the .gnu.warning and .gnu.warning.SYM sections behave.
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* intl: Remove directory. Replaced with out-of-tree GNU gettext.
* .gitignore: Add '/gettext*'.
* configure.ac (host_libs): Replace intl with gettext. (hbaseargs, bbaseargs, baseargs): Split baseargs into {h,b}baseargs. (skip_barg): New flag. Skips appending current flag to bbaseargs. <library exemptions>: Exempt --with-libintl-{type,prefix} from target and build machine argument passing.
* configure: Regenerate.
* Makefile.def (host_modules): Replace intl module with gettext module. (configure-ld): Depend on configure-gettext.
* Makefile.in: Regenerate.
* src-release.sh: Remove references to the intl/ directory.
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Teach bfd and readelf about some recent gfx11 architectures. This code
is taken from the rocgdb 5.7.x branch [1].
[1] https://github.com/rocm-Developer-Tools/rocgdb/tree/rocm-5.7.x
bfd/ChangeLog:
* archures.c (bfd_mach_amdgcn_gfx1100, bfd_mach_amdgcn_gfx1101,
bfd_mach_amdgcn_gfx1102): New.
* bfd-in2.h (bfd_mach_amdgcn_gfx1100, bfd_mach_amdgcn_gfx1101,
bfd_mach_amdgcn_gfx1102): New.
* cpu-amdgcn.c (arch_info_struct): Add entries for
bfd_mach_amdgcn_gfx1100, bfd_mach_amdgcn_gfx1101,
bfd_mach_amdgcn_gfx1102.
binutils/ChangeLog:
* readelf.c (decode_AMDGPU_machine_flags): Handle gfx1100,
gfx1101, gfx1102.
include/ChangeLog:
* elf/amdgpu.h (EF_AMDGPU_MACH_AMDGCN_GFX1100,
EF_AMDGPU_MACH_AMDGCN_GFX1101,
EF_AMDGPU_MACH_AMDGCN_GFX1102): New.
Change-Id: I95a8a62942e359781a1c9fa2079950fbcf2a78b8
Co-Authored-By: Laurent Morichetti <laurent.morichetti@amd.com>
Cc: Lancelot Six <lancelot.six@amd.com>
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executable stacks and/or executable segments.
include
* bfdlink.h (struct bfd_link_info): Update descriptions of the 'execstack', 'noexecstack' and 'warn_execstack' fields. Add 'error_exectack' and 'warn_is_error_for_rwx_segments' fields.
bfd
* elf.c (assign_file_positions_except_relocs): Turn warnings about executable segments into errors if so requested.
* elflink.c (bfd_elf_size_dynamic_sections): Turn warnings about executable stacks into errors if so requested.
ld
* ldlex.h (enum option_values): Add OPTION_ERROR_EXECSTACK, OPTION_NO_ERROR_EXECSTACK, OPTION_WARN_EXECSTACK_OBJECTS, OPTION_ERROR_RWX_SEGMENTS and OPTION_NO_ERROR_RWX_SEGMENTS. (struct ld_option): Add new long options. (parse_args): Parse new long options. (elf_static_list_options): Display the new options.
* ld.texi: Document the new command line options.
* configure.ac (error-execstack): New configuration option. (error-rwx-segments): New configuration option.
* emultempl/elf.em (_before_parse): Initialse the new linkinfo fields.
* NEWS: Mention the new features.
* config.in: Regenerate.
* configure: Regenerate.
* testsuite/ld-elf/commonpage2.d: Disable errors for RWX segments and/or executable stacks.
* testsuite/ld-elf/elf.exp: Likewise.
* testsuite/ld-elf/header.d: Likewise.
* testsuite/ld-elf/loadaddr1.d: Likewise.
* testsuite/ld-elf/loadaddr2.d: Likewise.
* testsuite/ld-elf/maxpage4.d: Likewise.
* testsuite/ld-elf/nobits-1.d: Likewise.
* testsuite/ld-elf/note-1.d: Likewise.
* testsuite/ld-elf/orphan-10.d: Likewise.
* testsuite/ld-elf/orphan-11.d: Likewise.
* testsuite/ld-elf/orphan-12.d: Likewise.
* testsuite/ld-elf/orphan-5.d: Likewise.
* testsuite/ld-elf/orphan-7.d: Likewise.
* testsuite/ld-elf/orphan-8.d: Likewise.
* testsuite/ld-elf/orphan-9.d: Likewise.
* testsuite/ld-elf/orphan-region.d: Likewise.
* testsuite/ld-elf/orphan.d: Likewise.
* testsuite/ld-elf/pr19539.d: Likewise.
* testsuite/ld-elf/pr26256-1a.d: Likewise.
* testsuite/ld-elf/pr26907.d: Likewise.
* testsuite/ld-elf/pr28597.d: Likewise.
* testsuite/ld-elf/retain2.d: Likewise.
* testsuite/ld-elf/shared.exp: Likewise.
* testsuite/ld-elf/size-1.d: Likewise.
* testsuite/ld-elf/textaddr7.d: Likewise.
* testsuite/ld-elf/warn1.d: Likewise.
* testsuite/ld-elf/warn2.d: Likewise.
* testsuite/ld-i386/discarded1.d: Likewise.
* testsuite/ld-i386/pr19175.d: Likewise.
* testsuite/ld-i386/pr19539.d: Likewise.
* testsuite/ld-i386/pr23189.d: Likewise.
* testsuite/ld-plugin/lto-3r.d: Likewise.
* testsuite/ld-plugin/lto-5r.d: Likewise.
* testsuite/ld-plugin/lto.exp: Likewise.
* testsuite/ld-powerpc/ppc476-shared.d: Likewise.
* testsuite/ld-powerpc/ppc476-shared2.d: Likewise.
* testsuite/ld-powerpc/pr28827-2.d: Likewise.
* testsuite/ld-s390/s390.exp: Likewise.
* testsuite/ld-scripts/align2a.d: Likewise.
* testsuite/ld-scripts/align2b.d: Likewise.
* testsuite/ld-scripts/align5.d: Likewise.
* testsuite/ld-scripts/alignof.exp: Likewise.
* testsuite/ld-scripts/crossref.exp: Likewise.
* testsuite/ld-scripts/defined2.d: Likewise.
* testsuite/ld-scripts/defined3.d: Likewise.
* testsuite/ld-scripts/defined5.d: Likewise.
* testsuite/ld-scripts/pr14962.d: Likewise.
* testsuite/ld-scripts/pr18963.d: Likewise.
* testsuite/ld-scripts/pr20302.d: Likewise.
* testsuite/ld-scripts/print-memory-usage.exp: Likewise.
* testsuite/ld-scripts/rgn-at1.d: Likewise.
* testsuite/ld-scripts/rgn-at10.d: Likewise.
* testsuite/ld-scripts/rgn-at4.d: Likewise.
* testsuite/ld-scripts/rgn-at6.d: Likewise.
* testsuite/ld-scripts/rgn-at8.d: Likewise.
* testsuite/ld-scripts/rgn-at9.d: Likewise.
* testsuite/ld-scripts/rgn-over1.d: Likewise.
* testsuite/ld-scripts/rgn-over2.d: Likewise.
* testsuite/ld-scripts/rgn-over4.d: Likewise.
* testsuite/ld-scripts/rgn-over5.d: Likewise.
* testsuite/ld-scripts/rgn-over6.d: Likewise.
* testsuite/ld-scripts/script.exp: Likewise.
* testsuite/ld-scripts/sizeof.exp: Likewise.
* testsuite/ld-scripts/sort-file.d: Likewise.
* testsuite/ld-x86-64/discarded1.d: Likewise.
* testsuite/ld-x86-64/pr19175.d: Likewise.
* testsuite/ld-x86-64/pr19539a.d: Likewise.
* testsuite/ld-x86-64/pr19539b.d: Likewise.
* testsuite/ld-x86-64/pr23189.d: Likewise.
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PR 28910
* elf32-arm.c (elf32_arm_merge_private_bfd_data): Do not set output flags if the input flags have not been set.
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PR 30950
* elf32-i386.c (elf_i386_convert_load_reloc): Check for elf_x86_hash_table returning a NULL pointer.
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PR 30949
* elflink.c (elf_gc_mark_debug_section): Check for bfd_section_from_elf_index returning a NULL pointer.
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PR 30940
* elf64-alpha.c (elf64_alpha_check_relocs): Correct error message.
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PR 30904
* elf.c (_bfd_elf_get_dynamic_symbols): Fix typo when checking to see if the gnuchains array has been successfully created.
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PR 30906
* elf.c (_bfd_elf_slurp_version_tables): Test that the verref section header has been initialised before using it.
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PR 30886 * elf-bfd.h (struct elf_obj_tdata): Add dt_strsz field.
* elf.c (_bfd_elf_get_dynamic_symbols): Add a NUL byte at the end of the string table. Initialise the dt_strsz field. (_bfd_elf_slurp_version_tables): Only free the contents if they were malloc'ed. Add checks before setting string pointers in the dt_strtab buffer.
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PR 30885
* elfcode.h (elf_slurp_symbol_table): Compute the symcount for non dynamic symbols in the same way as _bfd_elf_get_symtab_upper_bound.
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* elf.c (_bfd_elf_init_reloc_shdr): Don't segfault on alloc fail.
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* elf-strtab.c (_bfd_elf_strtab_init): In the event of memory allocation failure, make sure that the hash table is freed.
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This reverts commit 8bb23cdbb498ff645bb0937bc8c0cb89e9e5ebd8.
My earlier patch to simplifify the @node uses in the BFD manual didn't
take into account (1) that BFD doesn't use the ordinary texinfo
sectioning commands, and (2) that some users are stuck on very ancient
versions of makeinfo.
This patch reverts the change.
I went through the entire manual using the spacebar, trying to find
the original problem I reported in the change, but couldn't. I don't
know why. Anyway, all this means is that, with this reversion,
editing the node structure will be slightly less convenient.
Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=30703
2023-08-30 Tom Tromey <tom@tromey.com>
PR binutils/30703
* doc/webassembly.texi, doc/bfd.texi: Revert 8bb23cdb, adding
parameters back to @node.
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PR 15545 * cache.c (bfd_cache_close_all): Extend description to note that all files will be closed, even those that are not cacheable. Add code to prevent a possible infinite loop.
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I noticed a few files double-included libcoff.h, and digging deeper I
found that the PEI_HEADERS define is a sort of external include guard.
This patch adds include guards to the few files in include/coff that
were missing one, and then removes the PEI_HEADERS workaround and the
redundant includes.
I didn't see anything in these files that indicated that
double-inclusion would be useful, so it seems to me that this approach
is ok.
Tested by rebuilding with --enable-targets=all.
2023-08-02 Tom Tromey <tromey@adacore.com>
* pei-x86_64.c (PEI_HEADERS): Do not define.
* pei-loongarch64.c (PEI_HEADERS): Do not define.
* pei-aarch64.c (PEI_HEADERS): Do not define.
* pe-x86_64.c (PEI_HEADERS): Do not define.
* pe-aarch64.c (PEI_HEADERS): Do not define.
* libpei.h (_LIBPEI_H): Add include guard.
* coff-x86_64.c (PEI_HEADERS): Do not check.
* coff-loongarch64.c (PEI_HEADERS): Do not check.
* coff-aarch64.c (PEI_HEADERS): Do not check.
include/ChangeLog
2023-08-02 Tom Tromey <tromey@adacore.com>
* coff/x86_64.h (COFF_X86_64_H): Add include guard.
* coff/loongarch64.h (COFF_LOONGARCH64_H): Add include guard.
* coff/aarch64.h (COFF_AARCH64_H): Add include guard.
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This reverts commit 675b9d612cc59446e84e2c6d89b45500cb603a8d.
See https://sourceware.org/pipermail/binutils/2023-August/128761.html.
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output unreproducible.
bfd
* peXXigen.c (_bfd_XXi_only_swap_filehdr_out): If inserting a timestamp, use the value held in the SOURCE_DATE_EPOCH environment variable, if it is defined.
binutils
* doc/binutils.texi (objcopy): Document change in behaviour of objcopy's --preserve-dates command line option.
ld
* pe-dll.c (fill_edata): If inserting a timestamp, use the value held in the SOURCE_DATE_EPOCH environment variable, if it is defined.
* ld.texi (--insert-timestamp): Document change in behaviour.
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This patch adds support for the V4 BPF instruction jal/gotol, which is
like ja/goto but it supports a signed 32-bit PC-relative (in number of
64-bit words minus one) target operand instead of the 16-bit signed
operand of the other instruction. This greatly increases the jump
range in BPF programs.
Tested in bpf-unkown-none.
bfd/ChangeLog:
2023-07-24 Jose E. Marchesi <jose.marchesi@oracle.com>
* reloc.c: New reloc BFD_RELOC_BPF_DISPCALL32.
* elf64-bpf.c (bpf_reloc_type_lookup): Handle the new reloc.
* libbfd.h (bfd_reloc_code_real_names): Regenerate.
gas/ChangeLog:
2023-07-24 Jose E. Marchesi <jose.marchesi@oracle.com>
* config/tc-bpf.c (struct bpf_insn): New field `id'.
(md_assemble): Save the ids of successfully parsed instructions
and use the new BFD_RELOC_BPF_DISPCALL32 whenever appropriate.
(md_apply_fix): Adapt to the new BFD reloc.
* testsuite/gas/bpf/jump.s: Test JAL.
* testsuite/gas/bpf/jump.d: Likewise.
* testsuite/gas/bpf/jump-pseudoc.d: Likewise.
* testsuite/gas/bpf/jump-be.d: Likewise.
* testsuite/gas/bpf/jump-be-pseudoc.d: Likewise.
* doc/c-bpf.texi (BPF Instructions): Document new instruction
jal/gotol.
Document new operand type disp32.
include/ChangeLog:
2023-07-24 Jose E. Marchesi <jose.marchesi@oracle.com>
* opcode/bpf.h (enum bpf_insn_id): Add entry BPF_INSN_JAL.
(enum bpf_insn_id): Remove spurious entry BPF_INSN_CALLI.
opcodes/ChangeLog:
2023-07-23 Jose E. Marchesi <jose.marchesi@oracle.com>
* bpf-opc.c (bpf_opcodes): Add entry for jal.
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For example, objcopy --set-section-flags .data=alloc,large will add
SHF_X86_64_LARGE to the .data section. Omitting "large" will drop the
SHF_X86_64_LARGE flag.
The bfd_section flag is named generically, SEC_ELF_LARGE, in case other
processors want to follow SHF_X86_64_LARGE. SEC_ELF_LARGE has the same
value as SEC_TIC54X_BLOCK used by coff.
bfd/
* section.c: Define SEC_ELF_LARGE.
* bfd-in2.h: Regenerate.
* elf64-x86-64.c (elf_x86_64_section_flags, elf_x86_64_fake_sections,
elf_x86_64_copy_private_section_data): New.
binutils/
* NEWS: Mention the new feature for objcopy.
* doc/binutils.texi: Mention "large".
* objcopy.c (parse_flags): Parse "large".
(check_new_section_flags): Error if "large" is used with a
non-x86-64 ELF target.
* testsuite/binutils-all/x86-64/large-sections.d: New.
* testsuite/binutils-all/x86-64/large-sections.s: New.
* testsuite/binutils-all/x86-64/large-sections-i386.d: New.
* testsuite/binutils-all/x86-64/large-sections-2.d: New.
* testsuite/binutils-all/x86-64/large-sections-2-x32.d: New.
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PR 30560
* elf64-x86-64.c (elf_x86_64_relocate_section): Add more checks for a valid relocation offset.
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common symbols.
PR 30499
bfd * elflink.c (elf_link_add_object_symbols): Add a message indicating that alignment and size discrepancies between the definition of common symbols and normal symbols are serious and should be investigated.
ld * testsuite/ld-elfcomm/elfcomm.exp: Update regexps to match new output from the linker.
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PR 30444
* coffcode.h (coff_write_object_contents): Handle base64 encoding on PE. Also check for too large string table.
* coffgen.c (extract_long_section_name): New function extracted from ... (make_a_section_from_file): ... here. Add support for base64 long section names. (decode_base64): New function.
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PR 30421
* cofflink.c (_decoration_hash_newfunc): New function. (_bfd_coff_link_hash_table_init): Call it.
* libcoff-in.h (struct coff_link_hash_table): Add decoration_hash field. (struct decoration_hash_entry): Declare. (_decoration_hash_newfunc): Prototype.
* libcoff.h: Regenerate.
* emultempl/pe.em (set_decoration): New function. (pe_fixup_stdcalls): Call the new function.
* emultempl/pep.em (set_decoration): New function. (pep_fixup_stdcalls): Call the new function.
* pe-dll.c (make_one): Check for decoated symbols.
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* libcoff-in.h (struct coff_tdata): Add section_by_index and section_by_target_index hash tables.
* libcoff.h: Regenerate.
* coffcode.h (htab_hash_section_index): New function. (htab_eq_section_index): New function. (htab_hash_section_target_index): New function. (htab_eq_section_target_index): New function. (coff_mkobject_hool): Create the hash tables.
* peicode.h: Add the same new functions. (pe_mkobject_hook): Create the hash tables.
* coff-x86_64.c (coff_amd64_rtype_to_howto): Use the new tables to speed up lookups.
* coffgen.c (coff_section_from_bfd_index): Likewise. (_bfd_coff_close_and_cleanup): Delete the hash tables.
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PR 30422
* elf32-or1k.c (or1k_elf_relocate_section): Prescan for R_OR1K_GOT_AHI16 relocs as they may occur after R_OR1K_GOT16 relocs.
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cmse_nonsecure_entr
PR 30354
* elf32-arm.c (elf32_arm_gc_mark_extra_sections): If any debug sections are marked then rerun the extra marking in order to pick up any dependencies.
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* archive.c (_bfd_write_archive_contents): Use a larger buffer in order to improve efficiency.
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* coffcode.h (coff_read_word_from_buffer): New function.
* coffcode.h (COFF_CHECKSUM_BUFFER_SIZE): New constant.
* coffcode.h (coff_compute_checksum): Improve speed by reducing the number of seeks and reads used.
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PR 30142
* peXXigen.c (_bfd_XXi_swap_scnhdr_out): Do not force the .rsrc section to be writeable.
* rescoff.c (write_coff_file): Add the SEC_READONLY flag to the .rsrc section.
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PR 30285
* elf.c (_bfd_elf_slurp_version_tables): Fail if no version definitions are allocated.
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--relax enables all relaxations. --no-relax-gp disables GP relaxation to
allow measuring its effect.
The option can test effectiveness of GP relaxation and support some ABI
variants that use GP for other purposes.
Link: https://github.com/riscv-non-isa/riscv-elf-psabi-doc/issues/298
bfd/
* elfnn-riscv.c (struct riscv_elf_link_hash_table): Add params.
(riscv_elfNN_set_options): New.
(riscv_info_to_howto_rela): Check relax_gp.
(_bfd_riscv_relax_section): Likewise.
* elfxx-riscv.h (struct riscv_elf_params): New.
(riscv_elf32_set_options): New.
(riscv_elf64_set_options): New.
ld/
* emultempl/riscvelf.em: Add option parsing.
* testsuite/ld-riscv-elf/code-model-relax-medlow-01-norelaxgp.d: New.
* testsuite/ld-riscv-elf/pcgp-relax-01-norelaxgp.d: New.
* testsuite/ld-riscv-elf/pcgp-relax-02.d: Test --relax --relax-gp can be
used together.
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PR 30150
* dwarf2.c (comp_unit_contains_address): Renamed to ... (comp_unit_may_contain_address): this,
and added code to return true if the CU's ranges have not yet been computed.
(_bfd_dwarf2_find_nearest_line_with_alt): Use the renamed function, simplifying code in the process.
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