binutils_os216

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Bind defined symbol locally in PIE

Symbols defined in PIE should be bound locally, the same as -shared
-Bsymbolic.

Backport from master

bfd/

PR ld/19827
* elf32-i386.c (elf_i386_check_relocs): Bind defined symbol
locally in PIE.
(elf_i386_relocate_section): Likewise.
* elf64-x86-64.c (elf_x86_64_check_relocs): Likewise.
(elf_x86_64_relocate_section): Likewise.

ld/

PR ld/19827
* testsuite/ld-i386/i386.exp: Run PR ld/19827 tests.
* testsuite/ld-x86-64/x86-64.exp: Likewise.
* testsuite/ld-i386/pr19827.rd: New file.
* testsuite/ld-i386/pr19827a.S: Likewise.
* testsuite/ld-i386/pr19827b.S: Likewise.
* testsuite/ld-x86-64/pr19827.rd: Likewise.
* testsuite/ld-x86-64/pr19827a.S: Likewise.
* testsuite/ld-x86-64/pr19827b.S: Likewise.

Check reloc against IFUNC symbol only with dynamic symbols

There is no need to check relocation IFUNC symbol if there are no
dynamic symbols.

Backport from master

bfd/

PR ld/19539
* elf32-i386.c (elf_i386_reloc_type_class): Check relocation
against STT_GNU_IFUNC symbol only with dynamic symbols.
* elf64-x86-64.c (elf_x86_64_reloc_type_class): Likewise.

ld/

PR ld/19539
* testsuite/ld-elf/pr19539.d: Skip cris*-*-* targets.

* testsuite/ld-elf/pr19539.d: New file.
* testsuite/ld-elf/pr19539.s: Likewise.
* testsuite/ld-elf/pr19539.t: Likewise.

Fix erroneous relocations applied to absolute symbols in COFF format targets.

PR ld/19623
* cofflink.c (_bfd_coff_generic_relocate_section): Do not apply
relocations against absolute symbols.

Set BFD_DECOMPRESS to decompress debug sections

We should set BFD_DECOMPRESS to decompress debug sections when reading in
DWARF debug sections.

Backport from master

bfd/

PR binutils/19523
* dwarf2.c (_bfd_dwarf2_slurp_debug_info): Set BFD_DECOMPRESS to
decompress debug sections.

binutils/

PR binutils/19523
* Makefile.am (check-DEJAGNU): Pass CC and CC_FOR_BUILD to
runtest.
* Makefile.in: Regenerated.
* testsuite/binutils-all/compress.exp (test_gnu_debuglink): New
proc.
Run test_gnu_debuglink for native ELF build.

Automatic date update in version.in

ld: relax alignment requirements of compressed .debug_* section checks

This fixes a failure of the gabinormal linking test on some distros
(where e.g. crt1.o has a .debug_aranges section with larger alignment).

Backport from master

* ld-elf/gabiend.rt: Accept any alignment.
* ld-elf/gabinormal.rt: Likewise.

Automatic date update in version.in

Automatic date update in version.in

Automatic date update in version.in

Automatic date update in version.in

Automatic date update in version.in

Treat common symbol in executable as definition

Common symbol in executable is a definition, which overrides definition
from shared objects. When linker sees a new definition from a shared
object, the new dynamic definition should be overridden by the previous
common symbol in executable.

Backport from master

bfd/

PR ld/19579
* elflink.c (_bfd_elf_merge_symbol): Group common symbol checking
together.

* elflink.c (_bfd_elf_merge_symbol): Treat common symbol in
executable as definition if the new definition comes from a
shared library.

ld/

PR ld/19579
* testsuite/ld-elf/pr19579a.c: New file.
* testsuite/ld-elf/pr19579b.c: Likewise.
* testsuite/ld-elf/shared.exp: Run PR ld/19579 test.

Allow zero length archive elements

bfd/
PR binutils/19775
* archive.c (bfd_generic_openr_next_archived_file): Allow zero
length elements in the archive.
* coff-alpha.c (alpha_ecoff_openr_next_archived_file): Likewise.

binutils/
PR binutils/19775
* testsuite/binutils-all/ar.exp (proc empty_archive): New proc.
Run the new proc.
* testsuite/binutils-all/empty: New, empty, file.

Automatic date update in version.in

Automatic date update in version.in

Automatic date update in version.in

Automatic date update in version.in

Automatic date update in version.in

Speedup orphan placement for relocatable link

Since there is no need to place output sections in specific order for
relocatable link, we can skip merging flags of other input sections.

Backport from master

PR ld/19739
* emultempl/elf32.em (gld${EMULATION_NAME}_place_orphan): Don't
merge flags of other input sections for relocatable link.
* emultempl/mmo.em (mmo_place_orphan): Likewise.
* emultempl/pe.em (gld_${EMULATION_NAME}_place_orphan): Likewise.
* emultempl/pep.em (gld_${EMULATION_NAME}_place_orphan): Likewise.

Automatic date update in version.in

Automatic date update in version.in

Automatic date update in version.in

Update PR ld/12365 test for GCC 6

PR ld/12365 test is to verify that linker catches the reference to
undefined symbol error caused by a GCC bug. Since the GCC bug has
been fixed in GCC 6, update the test to verify that there is no
reference to undefined symbol in executable

Backport from master

* testsuite/ld-plugin/lto.exp: Update PR ld/12365 test for GCC 6.

Fix formatting of coff-i386.c and coff-x86_64.c

Backport from master

PR ld/19752
* coff-i386.c (coff_i386_reloc): Fix formatting.
* coff-x86_64.c (coff_amd64_reloc): Likewise.

Automatic date update in version.in

Automatic date update in version.in

Automatic date update in version.in

Automatic date update in version.in

Update symbol version for symbol from linker script

We need to update symbol version for symbols from linker script.

Backport from master

bfd/

PR ld/19698
* elflink.c (bfd_elf_record_link_assignment): Set versioned if
symbol version is unknown.

ld/

PR ld/19698
* testsuite/ld-elf/pr19698.d: New file.
* testsuite/ld-elf/pr19698.s: Likewise.
* testsuite/ld-elf/pr19698.t: Likewise.

Don't add DT_NEEDED for unmatched symbol

Don't add DT_NEEDED if a symbol from a library loaded via DT_NEEDED
doesn't match the symbol referenced by regular object.

Backport from master

bfd/

PR ld/19553
* elflink.c (elf_link_add_object_symbols): Don't add DT_NEEDED
if a symbol from a library loaded via DT_NEEDED doesn't match
the symbol referenced by regular object.

ld/testsuite/

PR ld/19553
* testsuite/ld-elf/indirect.exp: Run tests for PR ld/19553.
* testsuite/ld-elf/pr19553.map: New file.
* testsuite/ld-elf/pr19553.map: Likewise.
* testsuite/ld-elf/pr19553a.c: Likewise.
* testsuite/ld-elf/pr19553b.c: Likewise.
* testsuite/ld-elf/pr19553b.out: Likewise.
* testsuite/ld-elf/pr19553c.c: Likewise.
* testsuite/ld-elf/pr19553c.out: Likewise.
* testsuite/ld-elf/pr19553d.c: Likewise.
* testsuite/ld-elf/pr19553d.out: Likewise.