Several fixes related to ARC PIE support.

[deliverable/binutils-gdb.git] / bfd / elf-bfd.h

diff --git a/bfd/elf-bfd.h b/bfd/elf-bfd.h
index 9067dd9aea174739300af7b8076b558267e27b94..d18df17e2f6759ddba62d416a450aa1f548a8d7c 100644 (file)
--- a/bfd/elf-bfd.h
+++ b/bfd/elf-bfd.h
@@ -124,7 +124,8 @@ struct elf_link_hash_entry
   struct bfd_link_hash_entry root;
 
   /* Symbol index in output file.  This is initialized to -1.  It is
-     set to -2 if the symbol is used by a reloc.  */
+     set to -2 if the symbol is used by a reloc.  It is set to -3 if
+     this symbol is defined in a discarded section.  */
   long indx;
 
   /* Symbol index as a dynamic symbol.  Initialized to -1, and remains
@@ -443,6 +444,7 @@ enum elf_target_id
 {
   AARCH64_ELF_DATA = 1,
   ALPHA_ELF_DATA,
+  ARC_ELF_DATA,
   ARM_ELF_DATA,
   AVR_ELF_DATA,
   BFIN_ELF_DATA,
@@ -523,6 +525,7 @@ struct elf_link_hash_table
   /* The number of symbols found in the link which is intended for the
      mandatory DT_SYMTAB tag (.dynsym section) in .dynamic section.  */
   bfd_size_type dynsymcount;
+  bfd_size_type local_dynsymcount;
 
   /* The string table of dynamic symbols, which becomes the .dynstr
      section.  */
@@ -702,9 +705,9 @@ struct elf_size_info {
 enum elf_reloc_type_class {
   reloc_class_normal,
   reloc_class_relative,
-  reloc_class_plt,
   reloc_class_copy,
-  reloc_class_ifunc
+  reloc_class_ifunc,
+  reloc_class_plt
 };
 
 struct elf_reloc_cookie
@@ -1125,6 +1128,11 @@ struct elf_backend_data
      bfd_boolean (*) (void *, const char *, Elf_Internal_Sym *, asection *,
                      struct elf_link_hash_entry *));
 
+  /* Filter what symbols of the output file to include in the import
+     library if one is created.  */
+  unsigned int (*elf_backend_filter_implib_symbols)
+    (bfd *, struct bfd_link_info *, asymbol **, long);
+
   /* Copy any information related to dynamic linking from a pre-existing
      symbol to a newly created symbol.  Also called to copy flags and
      other back-end info to a weakdef, in which case the symbol is not
@@ -1950,6 +1958,8 @@ extern bfd_boolean _bfd_elf_section_already_linked
   (bfd *, asection *, struct bfd_link_info *);
 extern void bfd_elf_set_group_contents
   (bfd *, asection *, void *);
+extern unsigned int _bfd_elf_filter_global_symbols
+  (bfd *, struct bfd_link_info *, asymbol **, long);
 extern asection *_bfd_elf_check_kept_section
   (asection *, struct bfd_link_info *);
 #define _bfd_elf_link_just_syms _bfd_generic_link_just_syms
@@ -2048,22 +2058,24 @@ extern struct elf_strtab_hash * _bfd_elf_strtab_init
   (void);
 extern void _bfd_elf_strtab_free
   (struct elf_strtab_hash *);
-extern bfd_size_type _bfd_elf_strtab_add
+extern size_t _bfd_elf_strtab_add
   (struct elf_strtab_hash *, const char *, bfd_boolean);
 extern void _bfd_elf_strtab_addref
-  (struct elf_strtab_hash *, bfd_size_type);
+  (struct elf_strtab_hash *, size_t);
 extern void _bfd_elf_strtab_delref
-  (struct elf_strtab_hash *, bfd_size_type);
+  (struct elf_strtab_hash *, size_t);
 extern unsigned int _bfd_elf_strtab_refcount
-  (struct elf_strtab_hash *, bfd_size_type);
+  (struct elf_strtab_hash *, size_t);
 extern void _bfd_elf_strtab_clear_all_refs
-  (struct elf_strtab_hash *tab);
-extern void _bfd_elf_strtab_restore_size
-  (struct elf_strtab_hash *, bfd_size_type);
+  (struct elf_strtab_hash *);
+extern void *_bfd_elf_strtab_save
+  (struct elf_strtab_hash *);
+extern void _bfd_elf_strtab_restore
+  (struct elf_strtab_hash *, void *);
 extern bfd_size_type _bfd_elf_strtab_size
   (struct elf_strtab_hash *);
 extern bfd_size_type _bfd_elf_strtab_offset
-  (struct elf_strtab_hash *, bfd_size_type);
+  (struct elf_strtab_hash *, size_t);
 extern bfd_boolean _bfd_elf_strtab_emit
   (bfd *, struct elf_strtab_hash *);
 extern void _bfd_elf_strtab_finalize
@@ -2365,6 +2377,15 @@ extern bfd_boolean bfd_elf_lookup_section_flags
 extern Elf_Internal_Phdr * _bfd_elf_find_segment_containing_section
   (bfd * abfd, asection * section);
 
+/* PowerPC @tls opcode transform/validate.  */
+extern unsigned int _bfd_elf_ppc_at_tls_transform
+  (unsigned int, unsigned int);
+/* PowerPC @tprel opcode transform/validate.  */
+extern unsigned int _bfd_elf_ppc_at_tprel_transform
+  (unsigned int, unsigned int);
+/* PowerPC elf_object_p tweak.  */
+extern bfd_boolean _bfd_elf_ppc_set_arch (bfd *);
+
 /* Exported interface for writing elf corefile notes. */
 extern char *elfcore_write_note
   (bfd *, char *, int *, const char *, int, const void *, int);
@@ -2509,7 +2530,7 @@ extern bfd_boolean _bfd_elf_create_ifunc_sections
 extern bfd_boolean _bfd_elf_allocate_ifunc_dyn_relocs
   (struct bfd_link_info *, struct elf_link_hash_entry *,
    struct elf_dyn_relocs **, bfd_boolean *, unsigned int,
-   unsigned int, unsigned int);
+   unsigned int, unsigned int, bfd_boolean);
 extern long _bfd_elf_ifunc_get_synthetic_symtab
   (bfd *, long, asymbol **, long, asymbol **, asymbol **, asection *,
    bfd_vma *(*) (bfd *, asymbol **, asection *, asection *));
@@ -2593,12 +2614,11 @@ extern asection _bfd_elf_large_com_section;
          bfd_boolean err;                                              \
          err = (info->unresolved_syms_in_objects == RM_GENERATE_ERROR  \
                 || ELF_ST_VISIBILITY (h->other) != STV_DEFAULT);       \
-         if (!info->callbacks->undefined_symbol (info,                 \
-                                                 h->root.root.string,  \
-                                                 input_bfd,            \
-                                                 input_section,        \
-                                                 rel->r_offset, err))  \
-           return FALSE;                                               \
+         (*info->callbacks->undefined_symbol) (info,                   \
+                                               h->root.root.string,    \
+                                               input_bfd,              \
+                                               input_section,          \
+                                               rel->r_offset, err);    \
          warned = TRUE;                                                \
        }                                                               \
       (void) unresolved_reloc;                                         \