binutils-gdb/pr23194.map at 83924b3846361f2f76f9a6e7b5afa01c0eebbd4f - binutils-gdb - ClassFun

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H.J. Lu 099bb8fb97 ld: Add _bfd_elf_link_hide_sym_by_version

bfd_hide_sym_by_version can't be used to check if a versioned symbol is
hidden.  This patch adds _bfd_elf_link_hide_sym_by_version to support
both versioned and unversioned symbols by extracting versioned symbol
check from _bfd_elf_link_assign_sym_version.

bfd/

	PR ld/23194
	* elf-bfd.h (_bfd_elf_link_hide_sym_by_version): New.
	* elflink.c (_bfd_elf_link_hide_versioned_symbol): New function.
	Extracted from _bfd_elf_link_assign_sym_version.
	(_bfd_elf_link_hide_sym_by_version): New function.
	(_bfd_elf_link_assign_sym_version): Use
	_bfd_elf_link_hide_versioned_symbol.
	* elfxx-x86.c (_bfd_x86_elf_link_symbol_references_local): Call
	_bfd_elf_link_hide_sym_by_version instead of
	bfd_hide_sym_by_version.  Don't check unversioned symbol.

ld/

	PR ld/23194
	* testsuite/ld-i386/pr23194.d: Expect only R_386_GLOB_DAT
	against foobar.
	* testsuite/ld-i386/pr23194.map: Add foobar.
	* testsuite/ld-x86-64/pr23194.map: Likewise.
	* testsuite/ld-i386/pr23194.s: Add a common foobar symbol.
	* testsuite/ld-x86-64/pr23194.s: Likewise.
	* testsuite/ld-x86-64/pr23194.d: Expect only R_X86_64_GLOB_DAT
	against foobar.

2018-05-26 04:27:24 -07:00

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 FOO {
   global:
     bar;
     foobar;
   local:
     *;
 };