include/ChangeLog

2011-07-11  Catherine Moore  <clm@codesourcery.com>

	* bfdlink.h (flag_type): New enumeration.
	(flag_info_list): New structure.
	(flag_info): New structure.

bfd/ChangeLog
2011-07-11  Catherine Moore  <clm@codesourcery.com>

	* aout-adobe.c (aout_32_bfd_lookup_section_flags): New definition.
	* aout-target.h (MY_bfd_lookup_section_flags): New definition.
	* aout-tic30.c (MY_bfd_lookup_section_flags): New definition.
        * bfd-in2.h: Regenerated.
	* bfd.c (bfd_lookup_section_flags): New definition.
	* binary.c (binary_bfd_lookup_section_flags): New definition.
	* bout.c (b_out_bfd_lookup_section_flags): New definition.
	* coff-alpha.c (_bfd_ecoff_bfd_lookup_section_flags): New definition.
	* coff-mips.c (_bfd_ecoff_bfd_lookup_section_flags): New definition.
	* coff-rs6000.c (rs6000coff_vec): Include
	bfd_generic_lookup_section_flags.
	(pmac_xcoff_vec): Likewise.
	* coffcode.h (coff_bfd_lookup_section_flags): New definition.
	* coff64-rs6000.c (rs6000coff64_vec): Include
	bfd_generic_lookup_section_flags.
	(aix5coff64_vec): Likewise.
	* ecoff.c (bfd_debug_section): Initialize flag_info field.
	* elf-bfd.h (elf_backend_lookup_section_flags_hook): Declare.
	(bfd_elf_lookup_section_flags): Declare.
	* elflink.c (bfd_elf_lookup_section_flags): New function.
	* elfxx-target.h (bfd_elfNN_bfd_lookup_section_flags): Define.
	(elf_backend_lookup_section_flags_hook): Define.
	(elf_backend_data): Add elf_backend_lookup_section_flags_hook.
	* i386msdos.c (msdos_bfd_lookup_section_flags): New define.
	* i386os9k.c (os9k_bfd_lookup_section_flags): New define.
	* ieee.c (ieee_bfd_lookup_section_flags): New define.
	* ihex.c (ihex_bfd_lookup_section_flags): New define.
	* libbfd-in.h (_bfd_nolink_bfd_lookup_section_flags): Declare.
	(bfd_generic_lookup_section_flags): Declare.
	* libbfd.h: Regenerated.
	* mach-o-target.c (bfd_mach_o_bfd_lookup_section_flags): New.
	* mmo.c (mmo_bfd_lookup_section_flags): New definition.
	* nlm-target.h (nlm_bfd_lookup_section_flags): New definition.
	* oasys.c (oasys_bfd_lookup_section_flags): New definition.
	* pef.c (bfd_pef_bfd_lookup_section_flags): New definition.
	* plugin.c (bfd_plugin_bfd_lookup_section_flags): New definition.
	* ppcboot.c (ppcboot_bfd_lookup_section_flags): New definition.
	* reloc.c (bfd_generic_lookup_section_flags): New function.
	* som.c (som_bfd_lookup_section_flags): New definition.
	* srec.c (srec_bfd_lookup_section_flags): New definition.
	* targets.c (flag_info): Declare.
	(NAME##_bfd_lookup_section_flags): Add to LINK jump table.
	(_bfd_lookup_section_flags): New.
	* tekhex.c (tekhex_bfd_lookup_section_flags): New definition.
	* versados.c (versados_bfd_lookup_section_flags): New definition.
	* vms-alpha.c (alpha_vms_bfd_lookup_section_flag): New definition.
	* xsym.c (bfd_sym_bfd_lookup_section_flags): New definition.

ld/ChangeLog
2011-07-11  Catherine Moore  <clm@codesourcery.com>

	* ld.h (section_flag_list): Add field to struct wildcard_spec.
	* ld.texinfo (INPUT_SECTION_FLAGS): Document.
	* ldgram.y (flag_info_list, flag_info): Add to union.
	(INPUT_SECTION_FLAGS): New token.
	(wildcard_spec): Initialize section_flag_list to NULL for
	each alternative.
	(sect_flag_list, sect_flags): New rules.
	(input_section_spec_no_keep): Add alternatives to recognize
	sect_flags.
	* ldlang.c (walk_wild_consider_section): Initialize
	section_flag_info field of the section struct.
	(lang_add_section): Check input section flags.
	(lang_add_wild): Initialize section_flag_list field of
	the statement struct.
	* ldlang.h (lang_input_statement_struct): Add section_flag_list field.
	(lang_wild_statement_struct): Likewise.
	* ldlex.l (INPUT_SECTION_FLAGS): New token.
	* mri.c (mri_draw_tree): Initialize section_flag_list to NULL.
	* NEWS: Announce INPUT_SECTION_FLAGS enhancement.

ld/testsuite/ChangeLog
2011-07-11 Catherine Moore  <clm@cm00re.com>

	* ld-scripts/section-flags-1.s: New.
	* ld-scripts/section-flags-1.t: New.
	* ld-scripts/section-flags-2.s: New.
	* ld-scripts/section-flags-2.t: New.
	* ld-scripts/section-flags.exp: New.

1 files changed, 17 insertions, 0 deletions

diff --git a/bfd/bfd-in2.h b/bfd/bfd-in2.h
index da4688c..867d052 100644
--- a/bfd/bfd-in2.h
+++ b/bfd/bfd-in2.h
@@ -1514,6 +1514,9 @@ typedef struct bfd_section
   /* The BFD which owns the section.  */
   bfd *owner;
 
+  /* INPUT_SECTION_FLAGS if specified in the linker script.  */
+  struct flag_info *section_flag_info;
+
   /* A symbol which points at this section only.  */
   struct bfd_symbol *symbol;
   struct bfd_symbol **symbol_ptr_ptr;
@@ -1692,6 +1695,9 @@ extern asection bfd_ind_section;
   /* target_index, used_by_bfd, constructor_chain, owner,          */  \
      0,            NULL,        NULL,              NULL,               \
                                                                        \
+  /* flag_info,                                                    */  \
+     NULL,                                                             \
+                                                                       \
   /* symbol,                    symbol_ptr_ptr,                    */  \
      (struct bfd_symbol *) SYM, &SEC.symbol,                           \
                                                                        \
@@ -5571,6 +5577,9 @@ bfd_boolean bfd_set_private_flags (bfd *abfd, flagword flags);
 #define bfd_gc_sections(abfd, link_info) \
        BFD_SEND (abfd, _bfd_gc_sections, (abfd, link_info))
 
+#define bfd_lookup_section_flags(link_info, flag_info) \
+       BFD_SEND (abfd, _bfd_lookup_section_flags, (link_info, flag_info))
+
 #define bfd_merge_sections(abfd, link_info) \
        BFD_SEND (abfd, _bfd_merge_sections, (abfd, link_info))
 
@@ -5728,6 +5737,9 @@ enum bfd_endian { BFD_ENDIAN_BIG, BFD_ENDIAN_LITTLE, BFD_ENDIAN_UNKNOWN };
 typedef struct bfd_link_info _bfd_link_info;
 struct already_linked;
 
+/* Forward declaration.  */
+typedef struct flag_info flag_info;
+
 typedef struct bfd_target
 {
   /* Identifies the kind of target, e.g., SunOS4, Ultrix, etc.  */
@@ -5997,6 +6009,7 @@ typedef struct bfd_target
   NAME##_bfd_final_link, \
   NAME##_bfd_link_split_section, \
   NAME##_bfd_gc_sections, \
+  NAME##_bfd_lookup_section_flags, \
   NAME##_bfd_merge_sections, \
   NAME##_bfd_is_group_section, \
   NAME##_bfd_discard_group, \
@@ -6041,6 +6054,10 @@ typedef struct bfd_target
   /* Remove sections that are not referenced from the output.  */
   bfd_boolean (*_bfd_gc_sections) (bfd *, struct bfd_link_info *);
 
+  /* Sets the bitmask of allowed and disallowed section flags.  */
+  void (*_bfd_lookup_section_flags) (struct bfd_link_info *,
+                                     struct flag_info *);
+
   /* Attempt to merge SEC_MERGE sections.  */
   bfd_boolean (*_bfd_merge_sections) (bfd *, struct bfd_link_info *);