ChangeLog rotation

[deliverable/binutils-gdb.git] / include / bfdlink.h

diff --git a/include/bfdlink.h b/include/bfdlink.h
index 630f7342a95d075680bdc7bf5db1281daac506c1..32d15129ab5ceeae17bfd1929a39106301bf9739 100644 (file)
--- a/include/bfdlink.h
+++ b/include/bfdlink.h
@@ -1,5 +1,5 @@
 /* bfdlink.h -- header file for BFD link routines
 /* bfdlink.h -- header file for BFD link routines

-   Copyright (C) 1993-2018 Free Software Foundation, Inc.
+   Copyright (C) 1993-2019 Free Software Foundation, Inc.

    Written by Steve Chamberlain and Ian Lance Taylor, Cygnus Support.
 
    This file is part of BFD, the Binary File Descriptor library.
    Written by Steve Chamberlain and Ian Lance Taylor, Cygnus Support.
 
    This file is part of BFD, the Binary File Descriptor library.


@@ -42,6 +42,12 @@ enum bfd_link_discard
   discard_all          /* Discard all locals.  */
 };
 
   discard_all          /* Discard all locals.  */
 };
 

+enum notice_asneeded_action {
+  notice_as_needed,
+  notice_not_needed,
+  notice_needed
+};
+

 /* Whether to generate ELF common symbols with the STT_COMMON type
    during a relocatable link.  */
 enum bfd_link_elf_stt_common
 /* Whether to generate ELF common symbols with the STT_COMMON type
    during a relocatable link.  */
 enum bfd_link_elf_stt_common


@@ -353,6 +359,10 @@ struct bfd_link_info
   /* TRUE if section groups should be resolved.  */
   unsigned int resolve_section_groups: 1;
 
   /* TRUE if section groups should be resolved.  */
   unsigned int resolve_section_groups: 1;
 

+  /* Set if output file is big-endian, or if that is unknown, from
+     the command line or first input file endianness.  */
+  unsigned int big_endian : 1;
+

   /* Which symbols to strip.  */
   ENUM_BITFIELD (bfd_link_strip) strip : 2;
 
   /* Which symbols to strip.  */
   ENUM_BITFIELD (bfd_link_strip) strip : 2;
 


@@ -482,32 +492,14 @@ struct bfd_link_info
      been opened.  */
   unsigned int check_relocs_after_open_input: 1;
 
      been opened.  */
   unsigned int check_relocs_after_open_input: 1;
 

-  /* TRUE if BND prefix in PLT entries is always generated.  */
-  unsigned int bndplt: 1;
-
-  /* TRUE if IBT-enabled PLT entries should be generated.  */
-  unsigned int ibtplt: 1;
-
-  /* TRUE if GNU_PROPERTY_X86_FEATURE_1_IBT should be generated.  */
-  unsigned int ibt: 1;
-
-  /* TRUE if GNU_PROPERTY_X86_FEATURE_1_SHSTK should be generated.  */
-  unsigned int shstk: 1;
-

   /* TRUE if generation of .interp/PT_INTERP should be suppressed.  */
   unsigned int nointerp: 1;
 
   /* TRUE if generation of .interp/PT_INTERP should be suppressed.  */
   unsigned int nointerp: 1;
 

-  /* TRUE if we shouldn't check relocation overflow.  */
-  unsigned int no_reloc_overflow_check: 1;
-
-  /* TRUE if generate a 1-byte NOP as suffix for x86 call instruction.  */
-  unsigned int call_nop_as_suffix : 1;
-

   /* TRUE if common symbols should be treated as undefined.  */
   unsigned int inhibit_common_definition : 1;
 
   /* TRUE if common symbols should be treated as undefined.  */
   unsigned int inhibit_common_definition : 1;
 

-  /* The 1-byte NOP for x86 call instruction.  */
-  char call_nop_byte;
+  /* TRUE if "-Map map" is passed to linker.  */
+  unsigned int has_map_file : 1;

 
   /* Char that may appear as the first char of a symbol, but should be
      skipped (like symbol_leading_char) when looking up symbols in
 
   /* Char that may appear as the first char of a symbol, but should be
      skipped (like symbol_leading_char) when looking up symbols in


@@ -648,6 +640,11 @@ struct bfd_link_info
   struct bfd_elf_version_tree *version_info;
 };
 
   struct bfd_elf_version_tree *version_info;
 };
 

+/* Some forward-definitions used by some callbacks.  */
+
+struct elf_strtab_hash;
+struct elf_sym_strtab;
+

 /* This structures holds a set of callback functions.  These are called
    by the BFD linker routines.  */
 
 /* This structures holds a set of callback functions.  These are called
    by the BFD linker routines.  */
 


@@ -769,6 +766,16 @@ struct bfd_link_callbacks
     (struct bfd_link_info *, bfd * abfd,
      asection * current_section, asection * previous_section,
      bfd_boolean new_segment);
     (struct bfd_link_info *, bfd * abfd,
      asection * current_section, asection * previous_section,
      bfd_boolean new_segment);

+  /* This callback provides a chance for callers of the BFD to examine the
+     ELF string table and symbol table once they are complete and indexes and
+     offsets assigned.  */
+  void (*examine_strtab)
+    (struct elf_sym_strtab *syms, bfd_size_type symcount,
+     struct elf_strtab_hash *symstrtab);
+  /* This callback should emit the CTF section into a non-loadable section in
+     the output BFD named .ctf or a name beginning with ".ctf.".  */
+  void (*emit_ctf)
+    (void);

 };
 \f
 /* The linker builds link_order structures which tell the code how to
 };
 \f
 /* The linker builds link_order structures which tell the code how to


@@ -870,6 +877,20 @@ struct bfd_link_order_reloc
 /* Allocate a new link_order for a section.  */
 extern struct bfd_link_order *bfd_new_link_order (bfd *, asection *);
 
 /* Allocate a new link_order for a section.  */
 extern struct bfd_link_order *bfd_new_link_order (bfd *, asection *);
 

+struct bfd_section_already_linked;
+
+extern bfd_boolean bfd_section_already_linked_table_init (void);
+extern void bfd_section_already_linked_table_free (void);
+extern bfd_boolean _bfd_handle_already_linked
+  (struct bfd_section *, struct bfd_section_already_linked *,
+   struct bfd_link_info *);
+
+extern struct bfd_section *_bfd_nearby_section
+  (bfd *, struct bfd_section *, bfd_vma);
+
+extern void _bfd_fix_excluded_sec_syms
+  (bfd *, struct bfd_link_info *);
+

 /* These structures are used to describe version information for the
    ELF linker.  These structures could be manipulated entirely inside
    BFD, but it would be a pain.  Instead, the regular linker sets up
 /* These structures are used to describe version information for the
    ELF linker.  These structures could be manipulated entirely inside
    BFD, but it would be a pain.  Instead, the regular linker sets up