bfd/

2005-10-15  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/1467
	* elf-bfd.h (_bfd_elf_match_sections_by_type): New.
	(_bfd_generic_match_sections_by_type): New. Defined.

	* elf.c (_bfd_elf_match_sections_by_type): New.

	* libbfd-in.h (_bfd_generic_match_sections_by_type): New.

	* bfd-in2.h: Regenerated.
	* libbfd.h: Likewise.

	* libbfd.c (_bfd_generic_match_sections_by_type): New.

	* targets.c (BFD_JUMP_TABLE_LINK): Initialize
	_bfd_match_sections_by_type with
	_bfd_generic_match_sections_by_type.
	(bfd_target): Add _bfd_match_sections_by_type.

ld/

2005-10-15  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/1467
	* emultempl/elf32.em: Include "elf-bfd.h".
	(gld${EMULATION_NAME}_place_orphan): Check section type and
	don't use section name for ELF input sections.

	* ld.texinfo: Document orphan section processing.

	* ldlang.c (lang_output_section_find_by_flags): Match section
	types by calling bfd_match_sections_by_type.

8 files changed, 66 insertions, 0 deletions

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index fdf2809..e940c93 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,23 @@
+2005-10-15  H.J. Lu  <hongjiu.lu@intel.com>
+
+	PR ld/1467
+	* elf-bfd.h (_bfd_elf_match_sections_by_type): New.
+	(_bfd_generic_match_sections_by_type): New. Defined.
+
+	* elf.c (_bfd_elf_match_sections_by_type): New.
+
+	* libbfd-in.h (_bfd_generic_match_sections_by_type): New.
+
+	* bfd-in2.h: Regenerated.
+	* libbfd.h: Likewise.
+
+	* libbfd.c (_bfd_generic_match_sections_by_type): New.
+
+	* targets.c (BFD_JUMP_TABLE_LINK): Initialize
+	_bfd_match_sections_by_type with
+	_bfd_generic_match_sections_by_type.
+	(bfd_target): Add _bfd_match_sections_by_type.
+
 2005-10-08  Paul Brook  <paul@codesourcery.com>
 
 	* elf32-arm.c: Move #include "elf/arm.h" after libbfd.h.
diff --git a/bfd/bfd-in2.h b/bfd/bfd-in2.h
index 3471081..1d93b0f 100644
--- a/bfd/bfd-in2.h
+++ b/bfd/bfd-in2.h
@@ -4926,6 +4926,7 @@ typedef struct bfd_target
   NAME##_bfd_link_split_section, \
   NAME##_bfd_gc_sections, \
   NAME##_bfd_merge_sections, \
+  _bfd_generic_match_sections_by_type, \
   NAME##_bfd_is_group_section, \
   NAME##_bfd_discard_group, \
   NAME##_section_already_linked \
@@ -4965,6 +4966,12 @@ typedef struct bfd_target
   /* Attempt to merge SEC_MERGE sections.  */
   bfd_boolean (*_bfd_merge_sections) (bfd *, struct bfd_link_info *);
 
+#define bfd_match_sections_by_type(abfd, asec, bbfd, bsec) \
+  BFD_SEND (abfd, _bfd_match_sections_by_type, (abfd, asec, bbfd, bsec))
+  /* Return TRUE if 2 section types are compatible.  */
+  bfd_boolean (*_bfd_match_sections_by_type)
+    (bfd *, const asection *, bfd *, const asection *);
+
   /* Is this section a member of a group?  */
   bfd_boolean (*_bfd_is_group_section) (bfd *, const struct bfd_section *);
 
diff --git a/bfd/elf-bfd.h b/bfd/elf-bfd.h
index f4c0ed8..d011a45 100644
--- a/bfd/elf-bfd.h
+++ b/bfd/elf-bfd.h
@@ -1474,6 +1474,10 @@ extern bfd_boolean _bfd_elf_slurp_version_tables
   (bfd *, bfd_boolean);
 extern bfd_boolean _bfd_elf_merge_sections
   (bfd *, struct bfd_link_info *);
+extern bfd_boolean _bfd_elf_match_sections_by_type
+  (bfd *, const asection *, bfd *, const asection *);
+#define _bfd_generic_match_sections_by_type \
+  _bfd_elf_match_sections_by_type
 extern bfd_boolean bfd_elf_is_group_section
   (bfd *, const struct bfd_section *);
 extern void _bfd_elf_section_already_linked
diff --git a/bfd/elf.c b/bfd/elf.c
index 435622d..3a139a0 100644
--- a/bfd/elf.c
+++ b/bfd/elf.c
@@ -8502,3 +8502,18 @@ asection _bfd_elf_large_com_section
   = BFD_FAKE_SECTION (_bfd_elf_large_com_section,
 		      SEC_IS_COMMON, NULL, NULL, "LARGE_COMMON",
 		      0);
+
+/* Return TRUE if 2 section types are compatible.  */
+
+bfd_boolean
+_bfd_elf_match_sections_by_type (bfd *abfd, const asection *asec,
+				 bfd *bbfd, const asection *bsec)
+{
+  if (asec == NULL
+      || bsec == NULL
+      || abfd->xvec->flavour != bfd_target_elf_flavour
+      || bbfd->xvec->flavour != bfd_target_elf_flavour)
+    return TRUE;
+
+  return elf_section_type (asec) == elf_section_type (bsec);
+}
diff --git a/bfd/libbfd-in.h b/bfd/libbfd-in.h
index 47595c6..0290c84 100644
--- a/bfd/libbfd-in.h
+++ b/bfd/libbfd-in.h
@@ -399,6 +399,8 @@ extern bfd_boolean _bfd_generic_set_section_contents
   ((bfd_boolean (*) (bfd *, struct bfd_section *)) bfd_false)
 #define _bfd_nolink_section_already_linked \
   ((void (*) (bfd *, struct bfd_section *)) bfd_void)
+extern bfd_boolean _bfd_generic_match_sections_by_type
+  (bfd *, const asection *, bfd *, const asection *);
 
 /* Routines to use for BFD_JUMP_TABLE_DYNAMIC for targets which do not
    have dynamic symbols or relocs.  Use BFD_JUMP_TABLE_DYNAMIC
diff --git a/bfd/libbfd.c b/bfd/libbfd.c
index 66137bb..3b27e08 100644
--- a/bfd/libbfd.c
+++ b/bfd/libbfd.c
@@ -1033,3 +1033,12 @@ _bfd_generic_find_line (bfd *abfd ATTRIBUTE_UNUSED,
 {
   return FALSE;
 }
+
+bfd_boolean
+_bfd_generic_match_sections_by_type (bfd *abfd ATTRIBUTE_UNUSED,
+				     const asection *asec ATTRIBUTE_UNUSED,
+				     bfd *bbfd ATTRIBUTE_UNUSED,
+				     const asection *bsec ATTRIBUTE_UNUSED)
+{
+  return TRUE;
+}
diff --git a/bfd/libbfd.h b/bfd/libbfd.h
index 6f3650b..56ad092 100644
--- a/bfd/libbfd.h
+++ b/bfd/libbfd.h
@@ -404,6 +404,8 @@ extern bfd_boolean _bfd_generic_set_section_contents
   ((bfd_boolean (*) (bfd *, struct bfd_section *)) bfd_false)
 #define _bfd_nolink_section_already_linked \
   ((void (*) (bfd *, struct bfd_section *)) bfd_void)
+extern bfd_boolean _bfd_generic_match_sections_by_type
+  (bfd *, const asection *, bfd *, const asection *);
 
 /* Routines to use for BFD_JUMP_TABLE_DYNAMIC for targets which do not
    have dynamic symbols or relocs.  Use BFD_JUMP_TABLE_DYNAMIC
diff --git a/bfd/targets.c b/bfd/targets.c
index dd5e097..271954f 100644
--- a/bfd/targets.c
+++ b/bfd/targets.c
@@ -427,6 +427,7 @@ BFD_JUMP_TABLE macros.
 .  NAME##_bfd_link_split_section, \
 .  NAME##_bfd_gc_sections, \
 .  NAME##_bfd_merge_sections, \
+.  _bfd_generic_match_sections_by_type, \
 .  NAME##_bfd_is_group_section, \
 .  NAME##_bfd_discard_group, \
 .  NAME##_section_already_linked \
@@ -466,6 +467,12 @@ BFD_JUMP_TABLE macros.
 .  {* Attempt to merge SEC_MERGE sections.  *}
 .  bfd_boolean (*_bfd_merge_sections) (bfd *, struct bfd_link_info *);
 .
+.#define bfd_match_sections_by_type(abfd, asec, bbfd, bsec) \
+.  BFD_SEND (abfd, _bfd_match_sections_by_type, (abfd, asec, bbfd, bsec))
+.  {* Return TRUE if 2 section types are compatible.  *}
+.  bfd_boolean (*_bfd_match_sections_by_type)
+.    (bfd *, const asection *, bfd *, const asection *);
+.
 .  {* Is this section a member of a group?  *}
 .  bfd_boolean (*_bfd_is_group_section) (bfd *, const struct bfd_section *);
 .