Release 2.33.1

[external/binutils.git] / include / bfdlink.h

diff --git a/include/bfdlink.h b/include/bfdlink.h
index aea027b..c35469d 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) 1993-2016 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.


@@ -100,9 +100,13 @@ struct bfd_link_hash_entry
   /* Type of this entry.  */
   ENUM_BITFIELD (bfd_link_hash_type) type : 8;
 
   /* Type of this entry.  */
   ENUM_BITFIELD (bfd_link_hash_type) type : 8;
 

-  /* Symbol is referenced in a normal object file, as distict from a LTO
-     IR object file.  */
-  unsigned int non_ir_ref : 1;
+  /* Symbol is referenced in a normal regular object file,
+     as distinct from a LTO IR object file.  */
+  unsigned int non_ir_ref_regular : 1;
+
+  /* Symbol is referenced in a normal dynamic object file,
+     as distinct from a LTO IR object file.  */
+  unsigned int non_ir_ref_dynamic : 1;

 
   /* Symbol is a built-in define.  These will be overridden by PROVIDE
      in a linker script.  */
 
   /* Symbol is a built-in define.  These will be overridden by PROVIDE
      in a linker script.  */


@@ -111,6 +115,11 @@ struct bfd_link_hash_entry
   /* Symbol defined in a linker script.  */
   unsigned int ldscript_def : 1;
 
   /* Symbol defined in a linker script.  */
   unsigned int ldscript_def : 1;
 

+  /* Symbol will be converted from absolute to section-relative.  Set for
+     symbols defined by a script from "dot" (also SEGMENT_START or ORIGIN)
+     outside of an output section statement.  */
+  unsigned int rel_from_abs : 1;
+

   /* A union of information depending upon the type.  */
   union
     {
   /* A union of information depending upon the type.  */
   union
     {


@@ -140,9 +149,6 @@ struct bfd_link_hash_entry
          struct bfd_link_hash_entry *next;
          /* BFD symbol was found in.  */
          bfd *abfd;
          struct bfd_link_hash_entry *next;
          /* BFD symbol was found in.  */
          bfd *abfd;

-         /* For __start_<name> and __stop_<name> symbols, the first
-            input section matching the name.  */
-         asection *section;

        } undef;
       /* bfd_link_hash_defined, bfd_link_hash_defweak.  */
       struct
        } undef;
       /* bfd_link_hash_defined, bfd_link_hash_defweak.  */
       struct


@@ -344,6 +350,9 @@ struct bfd_link_info
   /* TRUE if all data symbols should be dynamic.  */
   unsigned int dynamic_data: 1;
 
   /* TRUE if all data symbols should be dynamic.  */
   unsigned int dynamic_data: 1;
 

+  /* TRUE if section groups should be resolved.  */
+  unsigned int resolve_section_groups: 1;
+

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


@@ -382,6 +391,9 @@ struct bfd_link_info
   /* TRUE if PT_GNU_RELRO segment should be created.  */
   unsigned int relro: 1;
 
   /* TRUE if PT_GNU_RELRO segment should be created.  */
   unsigned int relro: 1;
 

+  /* TRUE if separate code segment should be created.  */
+  unsigned int separate_code: 1;
+

   /* Nonzero if .eh_frame_hdr section and PT_GNU_EH_FRAME ELF segment
      should be created.  1 for DWARF2 tables, 2 for compact tables.  */
   unsigned int eh_frame_hdr_type: 2;
   /* Nonzero if .eh_frame_hdr section and PT_GNU_EH_FRAME ELF segment
      should be created.  1 for DWARF2 tables, 2 for compact tables.  */
   unsigned int eh_frame_hdr_type: 2;


@@ -432,6 +444,9 @@ struct bfd_link_info
   /* TRUE if ok to have multiple definition.  */
   unsigned int allow_multiple_definition: 1;
 
   /* TRUE if ok to have multiple definition.  */
   unsigned int allow_multiple_definition: 1;
 

+  /* TRUE if ok to have prohibit multiple definition of absolute symbols.  */
+  unsigned int prohibit_multiple_definition_absolute: 1;
+

   /* TRUE if ok to have version with no definition.  */
   unsigned int allow_undefined_version: 1;
 
   /* TRUE if ok to have version with no definition.  */
   unsigned int allow_undefined_version: 1;
 


@@ -460,24 +475,21 @@ struct bfd_link_info
   /* TRUE if the linker script contained an explicit PHDRS command.  */
   unsigned int user_phdrs: 1;
 
   /* TRUE if the linker script contained an explicit PHDRS command.  */
   unsigned int user_phdrs: 1;
 

+  /* TRUE if program headers ought to be loaded.  */
+  unsigned int load_phdrs: 1;
+

   /* TRUE if we should check relocations after all input files have
      been opened.  */
   unsigned int check_relocs_after_open_input: 1;
 
   /* TRUE if we should check relocations after all input files have
      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 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;

 
 

-  /* 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


@@ -584,8 +596,9 @@ struct bfd_link_info
      backend to decide.  */
   int extern_protected_data;
 
      backend to decide.  */
   int extern_protected_data;
 

-  /* > 0 to treat undefined weak symbol in the executable as dynamic,
-     requiring dynamic relocation.  */
+  /* 1 to make undefined weak symbols dynamic when building a dynamic
+     object.  0 to resolve undefined weak symbols to zero.  -1 to let
+     the backend decide.  */

   int dynamic_undefined_weak;
 
   /* Non-zero if auto-import thunks for DATA items in pei386 DLLs
   int dynamic_undefined_weak;
 
   /* Non-zero if auto-import thunks for DATA items in pei386 DLLs