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b7d0721677
binutils-gdb/ld/ChangeLog
H.J. Lu b7d0721677 ELF: Support the section flag 'o' in .section directive 
As shown in

https://sourceware.org/bugzilla/show_bug.cgi?id=25490

--gc-sections will silently remove __patchable_function_entries section
and generate corrupt result.  This patch adds the section flag 'o' to
.section directive:

.section __patchable_function_entries,"awo",@progbits,foo
.section __patchable_function_entries,"awoG",@progbits,foo,foo,comdat
.section __patchable_function_entries,"awo",@progbits,bar,unique,4
.section __patchable_function_entries,"awoG",@progbits,foo,foo,comdat,unique,1

which specifies the symbol name which the section references.  Assmebler
will set its elf_linked_to_section to a local section where the symbol
is defined.

Linker is updated to call mark_hook if gc_mark of any of its linked-to
sections is set after all sections, except for backend specific ones,
have been garbage collected.

bfd/

	PR gas/25381
	* bfd-in2.h: Regenerated.
	* elflink.c (_bfd_elf_gc_mark_extra_sections): Call mark_hook
	on section if gc_mark of any of its linked-to sections is set
	and don't set gc_mark again.
	* section.c (asection): Add linked_to_symbol_name to map_head
	union.

gas/

	PR gas/25381
	* config/obj-elf.c (get_section): Also check
	linked_to_symbol_name.
	(obj_elf_change_section): Also set map_head.linked_to_symbol_name.
	(obj_elf_parse_section_letters): Handle the 'o' flag.
	(build_group_lists): Renamed to ...
	(build_additional_section_info): This.  Set elf_linked_to_section
	from map_head.linked_to_symbol_name.
	(elf_adjust_symtab): Updated.
	* config/obj-elf.h (elf_section_match): Add linked_to_symbol_name.
	* doc/as.texi: Document the 'o' flag.
	* testsuite/gas/elf/elf.exp: Run PR gas/25381 tests.
	* testsuite/gas/elf/section18.d: New file.
	* testsuite/gas/elf/section18.s: Likewise.
	* testsuite/gas/elf/section19.d: Likewise.
	* testsuite/gas/elf/section19.s: Likewise.
	* testsuite/gas/elf/section20.d: Likewise.
	* testsuite/gas/elf/section20.s: Likewise.
	* testsuite/gas/elf/section21.d: Likewise.
	* testsuite/gas/elf/section21.l: Likewise.
	* testsuite/gas/elf/section21.s: Likewise.

ld/

	PR ld/24526
	PR ld/25021
	PR ld/25490
	* testsuite/ld-elf/elf.exp: Run PR ld/25490 tests.
	* testsuite/ld-elf/pr24526.d: New file.
	* testsuite/ld-elf/pr24526.s: Likewise.
	* testsuite/ld-elf/pr25021.d: Likewise.
	* testsuite/ld-elf/pr25021.s: Likewise.
	* testsuite/ld-elf/pr25490-2-16.rd: Likewise.
	* testsuite/ld-elf/pr25490-2-32.rd: Likewise.
	* testsuite/ld-elf/pr25490-2-64.rd: Likewise.
	* testsuite/ld-elf/pr25490-2.s: Likewise.
	* testsuite/ld-elf/pr25490-3-16.rd: Likewise.
	* testsuite/ld-elf/pr25490-3-32.rd: Likewise.
	* testsuite/ld-elf/pr25490-3-64.rd: Likewise.
	* testsuite/ld-elf/pr25490-3.s: Likewise.
	* testsuite/ld-elf/pr25490-4-16.rd: Likewise.
	* testsuite/ld-elf/pr25490-4-32.rd: Likewise.
	* testsuite/ld-elf/pr25490-4-64.rd: Likewise.
	* testsuite/ld-elf/pr25490-4.s: Likewise.
	* testsuite/ld-elf/pr25490-5-16.rd: Likewise.
	* testsuite/ld-elf/pr25490-5-32.rd: Likewise.
	* testsuite/ld-elf/pr25490-5-64.rd: Likewise.
	* testsuite/ld-elf/pr25490-5.s: Likewise.
	* testsuite/ld-elf/pr25490-6-16.rd: Likewise.
	* testsuite/ld-elf/pr25490-6-32.rd: Likewise.
	* testsuite/ld-elf/pr25490-6-64.rd: Likewise.
	* testsuite/ld-elf/pr25490-6.s: Likewise.
2020-02-06 18:05:10 -08:00

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2020-02-06 H.J. Lu <hongjiu.lu@intel.com>
PR ld/24526
PR ld/25021
PR ld/25490
* testsuite/ld-elf/elf.exp: Run PR ld/25490 tests.
* testsuite/ld-elf/pr24526.d: New file.
* testsuite/ld-elf/pr24526.s: Likewise.
* testsuite/ld-elf/pr25021.d: Likewise.
* testsuite/ld-elf/pr25021.s: Likewise.
* testsuite/ld-elf/pr25490-2-16.rd: Likewise.
* testsuite/ld-elf/pr25490-2-32.rd: Likewise.
* testsuite/ld-elf/pr25490-2-64.rd: Likewise.
* testsuite/ld-elf/pr25490-2.s: Likewise.
* testsuite/ld-elf/pr25490-3-16.rd: Likewise.
* testsuite/ld-elf/pr25490-3-32.rd: Likewise.
* testsuite/ld-elf/pr25490-3-64.rd: Likewise.
* testsuite/ld-elf/pr25490-3.s: Likewise.
* testsuite/ld-elf/pr25490-4-16.rd: Likewise.
* testsuite/ld-elf/pr25490-4-32.rd: Likewise.
* testsuite/ld-elf/pr25490-4-64.rd: Likewise.
* testsuite/ld-elf/pr25490-4.s: Likewise.
* testsuite/ld-elf/pr25490-5-16.rd: Likewise.
* testsuite/ld-elf/pr25490-5-32.rd: Likewise.
* testsuite/ld-elf/pr25490-5-64.rd: Likewise.
* testsuite/ld-elf/pr25490-5.s: Likewise.
* testsuite/ld-elf/pr25490-6-16.rd: Likewise.
* testsuite/ld-elf/pr25490-6-32.rd: Likewise.
* testsuite/ld-elf/pr25490-6-64.rd: Likewise.
* testsuite/ld-elf/pr25490-6.s: Likewise.
2020-02-06 H.J. Lu <hongjiu.lu@intel.com>
* testsuite/lib/ld-lib.exp (check_gc_sections_available): Mark
z80 as not supported.
2020-02-06 Alan Modra <amodra@gmail.com>
* testsuite/ld-ifunc/ifunc.exp: Enable for more targets, specifying
targets that don't support ifunc rather than ones that do.
(contains_irelative_reloc): Match R_PARISC_IPLT.
* testsuite/ld-ifunc/lib.c: Don't use .set in asm.
* testsuite/ld-ifunc/ifunc-23-x86.s,
* testsuite/ld-ifunc/ifunc-24-x86.s,
* testsuite/ld-ifunc/ifunc-25-x86.s,
* testsuite/ld-ifunc/ifunc-4-local-x86.s,
* testsuite/ld-ifunc/ifunc-4-x86.s: Define _main.
* testsuite/ld-ifunc/ifunc-10-i386.d,
* testsuite/ld-ifunc/ifunc-11-i386.d,
* testsuite/ld-ifunc/ifunc-12-i386.d,
* testsuite/ld-ifunc/ifunc-13-i386.d,
* testsuite/ld-ifunc/ifunc-14a-i386.d,
* testsuite/ld-ifunc/ifunc-14b-i386.d,
* testsuite/ld-ifunc/ifunc-14c-i386.d,
* testsuite/ld-ifunc/ifunc-14d-i386.d,
* testsuite/ld-ifunc/ifunc-14e-i386.d,
* testsuite/ld-ifunc/ifunc-14f-i386.d,
* testsuite/ld-ifunc/ifunc-15-i386.d,
* testsuite/ld-ifunc/ifunc-16-i386-now.d,
* testsuite/ld-ifunc/ifunc-16-i386.d,
* testsuite/ld-ifunc/ifunc-17a-i386.d,
* testsuite/ld-ifunc/ifunc-17b-i386.d,
* testsuite/ld-ifunc/ifunc-18a-i386.d,
* testsuite/ld-ifunc/ifunc-18b-i386.d,
* testsuite/ld-ifunc/ifunc-19a-i386.d,
* testsuite/ld-ifunc/ifunc-19b-i386.d,
* testsuite/ld-ifunc/ifunc-2-i386-now.d,
* testsuite/ld-ifunc/ifunc-2-i386.d,
* testsuite/ld-ifunc/ifunc-2-local-i386-now.d,
* testsuite/ld-ifunc/ifunc-2-local-i386.d,
* testsuite/ld-ifunc/ifunc-20-i386.d,
* testsuite/ld-ifunc/ifunc-21-i386.d,
* testsuite/ld-ifunc/ifunc-22-i386.d,
* testsuite/ld-ifunc/ifunc-26.d,
* testsuite/ld-ifunc/ifunc-5a-i386.d,
* testsuite/ld-ifunc/ifunc-5a-local-i386.d,
* testsuite/ld-ifunc/ifunc-5b-i386.d,
* testsuite/ld-ifunc/ifunc-5b-local-i386.d,
* testsuite/ld-ifunc/ifunc-5r-local-i386.d,
* testsuite/ld-ifunc/ifunc-6a-i386.d,
* testsuite/ld-ifunc/ifunc-6b-i386.d,
* testsuite/ld-ifunc/ifunc-7a-i386.d,
* testsuite/ld-ifunc/ifunc-7b-i386.d,
* testsuite/ld-ifunc/ifunc-8-i386.d,
* testsuite/ld-ifunc/ifunc-9-i386.d,
* testsuite/ld-ifunc/pr17154-i386-now.d,
* testsuite/ld-ifunc/pr17154-i386.d: xfail lynxos, nto, and solaris.
2020-02-06 Alan Modra <amodra@gmail.com>
* testsuite/lib/ld-lib.exp (is_generic): Delete.
* testsuite/ld-unique/unique.exp: Exclude tic6x.
2020-02-06 Alan Modra <amodra@gmail.com>
* configure.tgt (i[3-7]86-*-moss*): Don't clear targ_extra_ofiles.
(i[3-7]86-*-openbsd*, x86_64-*-openbsd*): Add.
2020-02-02 H.J. Lu <hongjiu.lu@intel.com>
PR gas/25380
* testsuite/ld-i386/pr22001-1c.S: Use "unique,N" in .section
directives.
* testsuite/ld-i386/tls-gd1.S: Likewise.
* testsuite/ld-x86-64/pr21481b.S: Likewise.
2020-01-30 Jan Beulich <jbeulich@suse.com>
* ld.texi: Remove space between @option and brace.
2020-01-29 Alan Modra <amodra@gmail.com>
PR 25477
* ldelf.c (ldelf_check_ld_so_conf): Add prefix parameter and
correct concat.
(ldelf_after_open): Add prefix parameter.
* ldelf.h (ldelf_after_open): Update prototype.
* emultempl/elf.em (gld${EMULATION_NAME}_after_open): Pass $prefix
to ldelf_after_open.
* Makefile.am: Correct z80 dependencies.
* Makefile.in: Regenerate.
2020-01-28 Alan Modra <amodra@gmail.com>
* ldexp.c (fold_name): Don't print bfd_link_hash_lookup failed
in first phase.
2020-01-27 Alan Modra <amodra@gmail.com>
* testsuite/ld-elfvers/vers.exp: Replace case statements with
switch statements.
* testsuite/ld-ifunc/ifunc.exp: Likewise.
* testsuite/ld-unique/unique.exp: Likewise.
2020-01-27 H.J. Lu <hongjiu.lu@intel.com>
Alan Modra <amodra@gmail.com>
PR ld/25458
* testsuite/ld-elf/pr25458.map: New file.
* testsuite/ld-elf/pr25458.rd: Likewise.
* testsuite/ld-elf/pr25458a.s: Likewise.
* testsuite/ld-elf/pr25458b.s: Likewise.
* testsuite/ld-elf/shared.exp: Run PR ld/25458 test.
2020-01-22 H.J. Lu <hongjiu.lu@intel.com>
PR ld/25416
* testsuite/ld-x86-64/tls.exp: Skip GNU2 TLS tests only without
compiler support.
2020-01-22 Alan Modra <amodra@gmail.com>
* testsuite/ld-powerpc/tlsdesc3.d,
* testsuite/ld-powerpc/tlsdesc3.wf,
* testsuite/ld-powerpc/tlsdesc4.d,
* testsuite/ld-powerpc/tlsdesc4.s,
* testsuite/ld-powerpc/tlsdesc4.wf: New tests.
* testsuite/ld-powerpc/powerpc.exp: Run them.
2020-01-22 Alan Modra <amodra@gmail.com>
* emultempl/ppc64elf.em (ppc64_opt, PARSE_AND_LIST_LONGOPTS),
(PARSE_AND_LIST_OPTIONS, PARSE_AND_LIST_ARGS_CASES): Support
--tls-get-addr-regsave and --no-tls-get-addr-regsave.
(params): Init new field.
* ld.texi (--tls-get-addr-regsave, --no-tls-get-addr-regsave):
Document.
* testsuite/ld-powerpc/tlsdesc.s,
* testsuite/ld-powerpc/tlsdesc.d,
* testsuite/ld-powerpc/tlsdesc.wf,
* testsuite/ld-powerpc/tlsdesc2.d,
* testsuite/ld-powerpc/tlsdesc2.wf,
* testsuite/ld-powerpc/tlsexenors.d,
* testsuite/ld-powerpc/tlsexenors.r,
* testsuite/ld-powerpc/tlsexers.d,
* testsuite/ld-powerpc/tlsexers.r,
* testsuite/ld-powerpc/tlsexetocnors.d,
* testsuite/ld-powerpc/tlsexetocrs.d,
* testsuite/ld-powerpc/tlsexetocrs.r,
* testsuite/ld-powerpc/tlsopt6.d,
* testsuite/ld-powerpc/tlsopt6.wf: New.
* testsuite/ld-powerpc/powerpc.exp: Run new tests.
2020-01-22 Yuri Chornoivan <yurchor@mageia.org>
PR 25417
* ldlang.c (ldlang_open_ctf): Fix error message typo.
* emultempl/z80elf.em (z80_elf_after_open): Likewise.
2020-01-21 H.J. Lu <hongjiu.lu@intel.com>
* testsuite/ld-elf/pr23900-1.d: Adjusted.
2020-01-21 H.J. Lu <hongjiu.lu@intel.com>
* testsuite/ld-elf/pr23900-1.d: Also pass -l to readelf.
2020-01-20 Nick Clifton <nickc@redhat.com>
* po/pt_BR.po: Updated Brazilian Portuguese translation.
* po/uk.po: Updated Ukranian translation.
2020-01-20 H.J. Lu <hongjiu.lu@intel.com>
PR ld/25416
* testsuite/ld-x86-64/pr25416-1.s: New file
* testsuite/ld-x86-64/pr25416-1a.d: Likewise.
* testsuite/ld-x86-64/pr25416-1b.d: Likewise.
* testsuite/ld-x86-64/pr25416-1.s: Likewise.
* testsuite/ld-x86-64/pr25416-2.s: Likewise.
* testsuite/ld-x86-64/pr25416-2a.d: Likewise.
* testsuite/ld-x86-64/pr25416-2b.d: Likewise.
* testsuite/ld-x86-64/pr25416-3.d: Likewise.
* testsuite/ld-x86-64/pr25416-3.s: Likewise.
* testsuite/ld-x86-64/pr25416-4.d: Likewise.
* testsuite/ld-x86-64/pr25416-4.s: Likewise.
* testsuite/ld-x86-64/pr25416-5a.c: Likewise.
* testsuite/ld-x86-64/pr25416-5b.s: Likewise.
* testsuite/ld-x86-64/pr25416-5c.s: Likewise.
* testsuite/ld-x86-64/pr25416-5d.s: Likewise.
* testsuite/ld-x86-64/pr25416-5e.s: Likewise.
* testsuite/ld-x86-64/x86-64.exp: Run PR ld/25416 tests.
2020-01-20 Alan Modra <amodra@gmail.com>
* testsuite/ld-powerpc/tlsexe.d: Match new __tls_get_addr stub.
* testsuite/ld-powerpc/tlsexeno.d: Likewise.
* testsuite/ld-powerpc/tlsexetoc.d: Likewise.
* testsuite/ld-powerpc/tlsexetocno.d: Likewise.
* testsuite/ld-powerpc/tlsopt5.d: Likewise.
2020-01-18 Roland McGrath <mcgrathr@google.com>
* testsuite/ld-x86-64/align-branch-1.d: Loosen instruction regexps
to admit whatever absolute address. The label-relative address is
what the test needs to verify.
2020-01-18 Nick Clifton <nickc@redhat.com>
* configure: Regenerate.
* po/ld.pot: Regenerate.
2020-01-18 Nick Clifton <nickc@redhat.com>
Binutils 2.34 branch created.
2020-01-16 Jozef Lawrynowicz <jozef.l@mittosystems.com>
* scripttempl/elf32msp430_3.sc: Remove.
2020-01-16 Jozef Lawrynowicz <jozef.l@mittosystems.com>
* scripttempl/elf32msp430.sc: Add input section rules for
.upper.{text,data,rodata,bss}.
* testsuite/ld-msp430-elf/msp430-elf.exp: Run new test.
* testsuite/ld-msp430-elf/upper-input-sections.s: New test.
2020-01-15 Lars Brinkhoff <lars@nocrew.org>
PR 20694
* temulparams/pdp11.sh (TARGET_PAGE_SIZE): Set to 8192.
2020-01-15 Jozef Lawrynowicz <jozef.l@mittosystems.com>
* testsuite/ld-msp430-elf/msp430-elf.exp: Run new test.
* testsuite/ld-msp430-elf/reloc-lo-430x.s: New test.
2020-01-15 Alan Modra <amodra@gmail.com>
* testsuite/ld-powerpc/ambiguousv1b.d: Adjust expected output.
* testsuite/ld-powerpc/funref.s: Align func_tab.
* testsuite/ld-powerpc/funref2.s: Likewise.
* testsuite/ld-powerpc/funv1.s: Add dot symbols.
2020-01-14 Lili Cui <lili.cui@intel.com>
* testsuite/ld-i386/align-branch-1.d: Updated for i686-pc-elf.
2020-01-13 Alan Modra <amodra@gmail.com>
* po/BLD-POTFILES.in: Regenerate.
2020-01-13 Claudiu Zissulescu <claziss@gmail.com>
* testsuite/ld-arc/relax-local-pic.d: Improve matching patterns.
2020-01-13 Claudiu Zissulescu <claziss@gmail.com>
* Makefile.am: Remove earcelf_prof.c and earclinux_prof.c
emulations.
* configure.tgt: Likewise.
* Makefile.in: Regenerate.
* emulparams/arcelf_prof.sh: Remove file.
* emulparams/arclinux_prof.sh: Likewise.
2020-01-13 Claudiu Zissulescu <claziss@gmail.com>
* scripttempl/elfarcv2.sc : Allow interrupt vector table to be
located at an arbitrary address. Use DWARF.sc file.
* scripttempl/elfarc.sc: Use DWARF.sc file.
2020-01-07 Alan Modra <amodra@gmail.com>
* testsuite/ld-mips-elf/eh-frame5.s,
* testsuite/ld-mips-elf/ehdr_start-new.s,
* testsuite/ld-mips-elf/ehdr_start-o32.s,
* testsuite/ld-mips-elf/mips16-call-global-1.s,
* testsuite/ld-mips-elf/mips16-intermix-1.s,
* testsuite/ld-mips-elf/mips16-pic-1b.s,
* testsuite/ld-mips-elf/mips16-pic-4c.s,
* testsuite/ld-mips-elf/no-shared-1-n64.s,
* testsuite/ld-mips-elf/no-shared-1-o32.s,
* testsuite/ld-mips-elf/pic-and-nonpic-1b-micromips.s,
* testsuite/ld-mips-elf/pic-and-nonpic-1b.s,
* testsuite/ld-mips-elf/pic-and-nonpic-2a.s,
* testsuite/ld-mips-elf/pic-and-nonpic-3b.s,
* testsuite/ld-mips-elf/pic-and-nonpic-4b.s,
* testsuite/ld-mips-elf/pic-and-nonpic-5a.s,
* testsuite/ld-mips-elf/pic-and-nonpic-6-n32c.s,
* testsuite/ld-mips-elf/pic-and-nonpic-6-n64c.s,
* testsuite/ld-mips-elf/pic-and-nonpic-6-o32c.s,
* testsuite/ld-mips-elf/pie.s,
* testsuite/ld-mips-elf/relax-jalr.s: Revert 2019-12-17 change.
2020-01-06 Nick Clifton <nickc@redhat.com>
PR 25327
* testsuite/ld-elf/shared.exp: Add -fcommon option to compiler
command line when building libcomm1.o and pr13250 tests.
* testsuite/ld-plugin/lto.exp: Likewise for pr20267 tests.
2020-01-06 Nick Clifton <nickc@redhat.com>
PR 25326
* testsuite/ld-elf/shared.exp: Add -fcommon option to compiler
command line when building pr19579 binaries.
2020-01-03 Hannes Domani <ssbssa@yahoo.de>
* emultempl/pe.em: Add new option --enable-reloc-section.
* emultempl/pep.em: Likewise.
* ld.texi: Document --enable-reloc-section.
* pe-dll.c (pe_dll_build_sections): Use pe_dll_enable_reloc_section.
(pe_dll_fill_sections): Simplify by calling pe_exe_fill_sections.
* pe-dll.h: Add extern declaration of option flag.
* pep-dll.c (pe_dll_enable_reloc_section):
Add alias define for pep_dll_enable_reloc_section.
* pep-dll.h: Add extern declaration of option flag.
2020-01-02 Sergey Belyashov <sergey.belyashov@gmail.com>
* Makefile.am: Add new target z80-elf
* configure.tgt: Likewise.
* Makefile.in: Regenerate.
* emultempl/z80.em: Add support for eZ80 and Z180 architectures.
* emulparams/elf32z80.sh: New file.
* emultempl/z80elf.em: Likewise.
* testsuite/ld-elf/comm-data4.s: Fix for Z80.
* testsuite/ld-elf/comm-data5.s: Fix for Z80.
* testsuite/ld-scripts/fill16.d: Fix for Z80.
* testsuite/ld-z80/arch_ez80_adl.d: Likewise.
* testsuite/ld-z80/arch_ez80_z80.d: Likewise.
* testsuite/ld-z80/arch_r800.d: Likewise.
* testsuite/ld-z80/arch_z180.d: Likewise.
* testsuite/ld-z80/arch_z80.d: Likewise.
* testsuite/ld-z80/comb_arch_ez80_z80.d: Likewise.
* testsuite/ld-z80/comb_arch_z180.d: Likewise.
* testsuite/ld-z80/labels.s: Likewise.
* testsuite/ld-z80/relocs.s: Likewise.
* testsuite/ld-z80/relocs_b_ez80.d: Likewise.
* testsuite/ld-z80/relocs_b_z80.d: Likewise.
* testsuite/ld-z80/relocs_f_z80.d: Likewise.
* testsuite/ld-z80/z80.exp: Likewise.
* NEWS: Mention the new support.
2020-01-02 Tamar Christina <tamar.christina@arm.com>
PR 25210
PR 24753
* emultempl/aarch64elf.em (elf${ELFSIZE}_aarch64_add_stub_section):
Remove SEC_LINKER_CREATED.
* testsuite/ld-aarch64/aarch64-elf.exp: Add erratum835769-843419.
* testsuite/ld-aarch64/erratum835769-843419.d: New test.
2020-01-01 Alan Modra <amodra@gmail.com>
Update year range in copyright notice of all files.
For older changes see ChangeLog-2019
Copyright (C) 2020 Free Software Foundation, Inc.
Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright
notice and this notice are preserved.
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mode: change-log
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fill-column: 74
version-control: never
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