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Check if a symbol is hidden by linker script.

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bfd/

2011-09-15  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/12975
	* bfd-in.h (bfd_elf_size_dynamic_sections): Remove pointer
	to struct bfd_elf_version_tree.

	* elflink.c (elf_info_failed): Remove verdefs.
	(_bfd_elf_export_symbol): Updated.
	_bfd_elf_link_assign_sym_version): Likewise.
	(bfd_elf_size_dynamic_sections): Remove pointer to struct
	bfd_elf_version_tree.  Updated.
	(bfd_elf_gc_mark_dynamic_ref_symbol): Check if a symbol is hidden
	by linker script.

	* linker.c (bfd_hide_sym_by_version): New.

	* bfd-in2.h: Regenerated.

include/

2011-09-15  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/12975
	* bfdlink.h (bfd_link_info): Add version_info.

ld/

2011-09-15  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/12975
	* ldlang.c (lang_elf_version_info): Removed.
	(lang_register_vers_node): Replace lang_elf_version_info with
	link_info.version_info.
	(lang_add_vers_depend): Likewise.
	* pe-dll.c (process_def_file_and_drectve): Likewise.
	* emultempl/solaris2.em (elf_solaris2_before_allocation): Likewise.

	* ldlang.h (lang_elf_version_info): Removed.

	* plugin.c  (is_visible_from_outside): Check if symbol is hidden
	by version script.

	* emultempl/elf32.em (gld${EMULATION_NAME}_before_allocation):
	Remove lang_elf_version_info.

ld/testsuite/

2011-09-15  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/12975
	* ld-elf/pr12975.d: New.
	* ld-elf/pr12975.s: Likewise.
	* ld-elf/pr12975.t: Likewise.
This commit is contained in:
H.J. Lu
2011-09-16 01:15:20 +00:00
parent d0bc107f79
commit fd91d41947
18 changed files with 148 additions and 53 deletions
Download Patch File Download Diff File Expand all files Collapse all files

23
bfd/linker.c
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@ -3380,3 +3380,26 @@ bfd_find_version_for_sym (struct bfd_elf_version_tree *verdefs,
return NULL;
}
/*
FUNCTION
bfd_hide_sym_by_version
SYNOPSIS
bfd_boolean bfd_hide_sym_by_version
(struct bfd_elf_version_tree *verdefs, const char *sym_name);
DESCRIPTION
Search an elf version script tree for symbol versioning
info for a given symbol. Return TRUE if the symbol is hidden.
*/
bfd_boolean
bfd_hide_sym_by_version (struct bfd_elf_version_tree *verdefs,
const char *sym_name)
{
bfd_boolean hidden = FALSE;
bfd_find_version_for_sym (verdefs, sym_name, &hidden);
return hidden;
}