bfd/

2007-01-16  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/3831
	* elf-bfd.h (bfd_elf_link_mark_dynamic_symbol): Add an
	argument, Elf_Internal_Sym *.

	* elflink.c (bfd_elf_link_mark_dynamic_symbol): Mark a data
	symbol dynamic if info->dynamic_data is TRUE.
	(bfd_elf_record_link_assignment): Updated call to
	bfd_elf_record_link_assignment.
	(_bfd_elf_merge_symbol): Likewise.  Always call
	bfd_elf_link_mark_dynamic_symbol.

include/

2007-01-16  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/3831
	* bfdlink.h (bfd_link_info): Rename dynamic to dynamic_list.
	Add dynamic and dynamic_data.

ld/

2007-01-16  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/3831
	* NEWS: Mention -Bsymbolic-functions, --dynamic-list-data and
	--dynamic-list-cpp-new.

	* ld.texinfo: Document -Bsymbolic-functions, --dynamic-list-data
	and --dynamic-list-cpp-new.

	* ldlang.c (lang_append_dynamic_list_cpp_new): New.
	(lang_process): Change link_info.dynamic to
	link_info.dynamic_list.
	(lang_append_dynamic_list): Likewise.
	* ldmain.c (main): Likewise.  Initialize link_info.dynamic and
	link_info.dynamic_data to FALSE.

	* ldlang.h (lang_append_dynamic_list_cpp_new): New.

	* lexsup.c (option_values): Add OPTION_DYNAMIC_LIST_DATA and
	OPTION_DYNAMIC_LIST_CPP_NEW.
	(ld_options): Add entries for -Bsymbolic-functions,
	--dynamic-list-data and --dynamic-list-cpp-new.  Make
	-Bsymbolic-functions an alias of --dynamic-list-data.
	(parse_args): Change link_info.dynamic to link_info.dynamic_list.
	Set link_info.dynamic to TRUE for --dynamic-list and
	--dynamic-list-cpp-typeinfo.  Handle --dynamic-list-data and
	--dynamic-list-cpp-new.

ld/testsuite/

2007-01-16  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/3831
	* ld-elf/del.cc: New.
	* ld-elf/dl5.cc: Likewise.
	* ld-elf/dl5.out: Likewise.
	* ld-elf/new.cc: Likewise.

	* ld-elf/shared.exp: Add tests for --dynamic-list-data and
	 --dynamic-list-cpp-new.

1 files changed, 18 insertions, 6 deletions

diff --git a/bfd/elflink.c b/bfd/elflink.c
index 10b9bcd0b13..9630709758b 100644
--- a/bfd/elflink.c
+++ b/bfd/elflink.c
@@ -438,14 +438,22 @@ bfd_elf_link_record_dynamic_symbol (struct bfd_link_info *info,
 
 void
 bfd_elf_link_mark_dynamic_symbol (struct bfd_link_info *info,
-				  struct elf_link_hash_entry *h)
+				  struct elf_link_hash_entry *h,
+				  Elf_Internal_Sym *sym)
 {
-  struct bfd_elf_dynamic_list *d = info->dynamic;
+  struct bfd_elf_dynamic_list *d = info->dynamic_list;
 
-  if (d == NULL || info->relocatable)
+  /* It may be called more than once on the same H.  */
+  if(h->dynamic || info->relocatable)
     return;
 
-  if ((*d->match) (&d->head, NULL, h->root.root.string))
+  if ((info->dynamic_data
+       && (h->type == STT_OBJECT
+	   || (sym != NULL
+	       && ELF_ST_TYPE (sym->st_info) == STT_OBJECT)))
+      || (d != NULL 
+	  && h->root.type == bfd_link_hash_new
+	  && (*d->match) (&d->head, NULL, h->root.root.string)))
     h->dynamic = 1;
 }
 
@@ -483,7 +491,7 @@ bfd_elf_record_link_assignment (bfd *output_bfd,
 
   if (h->root.type == bfd_link_hash_new)
     {
-      bfd_elf_link_mark_dynamic_symbol (info, h);
+      bfd_elf_link_mark_dynamic_symbol (info, h, NULL);
       h->non_elf = 0;
     }
 
@@ -861,13 +869,17 @@ _bfd_elf_merge_symbol (bfd *abfd,
 	 || h->root.type == bfd_link_hash_warning)
     h = (struct elf_link_hash_entry *) h->root.u.i.link;
 
+  /* We have to check it for every instance since the first few may be
+     refereences and not all compilers emit symbol type for undefined
+     symbols.  */
+  bfd_elf_link_mark_dynamic_symbol (info, h, sym);
+
   /* If we just created the symbol, mark it as being an ELF symbol.
      Other than that, there is nothing to do--there is no merge issue
      with a newly defined symbol--so we just return.  */
 
   if (h->root.type == bfd_link_hash_new)
     {
-      bfd_elf_link_mark_dynamic_symbol (info, h);
       h->non_elf = 0;
       return TRUE;
     }