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* elflink.c (bfd_elf_record_link_assignment): Remove --defsym
	symbols special case.

	ld/
	* ldexp.h (etree_union): Add defsym member to the assign member
	structure.
	(exp_assign): Add hidden argument to prototype.
	* ldexp.c (exp_fold_tree_1): Use the defsym member to handle
	--defsym symbols.
	(exp_assop): Add defsym argument, initialize the defsym member
	of the assign structure.
	(exp_assign): Handle hidden symbols.
	(exp_defsym): Update to use the defsym argument to exp_assop.
	(exp_provide): Update to handle the defsym argument to exp_assop.
	* ldlex.l (HIDDEN): New token.
	* ldgram.y (HIDDEN): Likewise.
	(assignment, section): Update calls to exp_assign.
	* ldctor.c (ldctor_build_sets): Likewise.
	* mri.c (mri_format): Likewise.
	* ldlang.c (lang_insert_orphan, lang_leave_overlay): Likewise.
	(open_input_bfds): Remove --defsym symbols special case.
	* emultempl/beos.em (gld_${EMULATION_NAME}_set_symbols): Update
	call to exp_assign.
	* emultempl/pe.em (gld_${EMULATION_NAME}_set_symbols): Likewise.
	* emultempl/pep.em (gld_${EMULATION_NAME}_set_symbols): Likewise.
	* emultempl/spuelf.em (spu_place_special_section): Likewise.
	* emultempl/xtensaelf.em (ld_xtensa_insert_page_offsets):
	Likewise.
	* ld.texinfo (Assigning Values to Symbols): Add HIDDEN.
	(HIDDEN): New subsection.
This commit is contained in:
Maciej W. Rozycki
2012-08-06 22:27:52 +00:00
parent de88229846
commit eb8476a6e2
16 changed files with 102 additions and 25 deletions
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16
ld/ldexp.c
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@@ -892,7 +892,7 @@ exp_fold_tree_1 (etree_type *tree)
if (expld.result.valid_p
|| (expld.phase <= lang_mark_phase_enum
&& tree->type.node_class == etree_assign
&& tree->assign.hidden))
&& tree->assign.defsym))
{
if (h == NULL)
{
@@ -1054,6 +1054,7 @@ static etree_type *
exp_assop (const char *dst,
etree_type *src,
enum node_tree_enum class,
bfd_boolean defsym,
bfd_boolean hidden)
{
etree_type *n;
@@ -1065,20 +1066,25 @@ exp_assop (const char *dst,
n->assign.type.node_class = class;
n->assign.src = src;
n->assign.dst = dst;
n->assign.defsym = defsym;
n->assign.hidden = hidden;
return n;
}
/* Handle linker script assignments and HIDDEN. */
etree_type *
exp_assign (const char *dst, etree_type *src)
exp_assign (const char *dst, etree_type *src, bfd_boolean hidden)
{
return exp_assop (dst, src, etree_assign, FALSE);
return exp_assop (dst, src, etree_assign, FALSE, hidden);
}
/* Handle --defsym command-line option. */
etree_type *
exp_defsym (const char *dst, etree_type *src)
{
return exp_assop (dst, src, etree_assign, TRUE);
return exp_assop (dst, src, etree_assign, TRUE, FALSE);
}
/* Handle PROVIDE. */
@@ -1086,7 +1092,7 @@ exp_defsym (const char *dst, etree_type *src)
etree_type *
exp_provide (const char *dst, etree_type *src, bfd_boolean hidden)
{
return exp_assop (dst, src, etree_provide, hidden);
return exp_assop (dst, src, etree_provide, FALSE, hidden);
}
/* Handle ASSERT. */