gdb: add target_ops::supports_displaced_step

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

diff --git a/bfd/elf-bfd.h b/bfd/elf-bfd.h
index c546b583b87cf6a3639afa4566969b26268bdd9e..fbdd19ba21e35fbbe15da230c3ad5ce7ecb94b6d 100644 (file)
--- a/bfd/elf-bfd.h
+++ b/bfd/elf-bfd.h
@@ -156,9 +156,13 @@ struct elf_link_hash_entry
   /* Same, but tracks a procedure linkage table entry.  */
   union gotplt_union plt;
 
-  /* Symbol size.  */
+  /* Symbol size.  NB: All fields starting from here are cleared by
+    _bfd_elf_link_hash_newfunc.  */
   bfd_size_type size;
 
+  /* Track dynamic relocs copied for this symbol.  */
+  struct elf_dyn_relocs *dyn_relocs;
+
   /* Symbol type (STT_NOTYPE, STT_OBJECT, etc.).  */
   unsigned int type : 8;
 
@@ -1083,6 +1087,12 @@ struct elf_backend_data
   bfd_boolean (*elf_backend_size_dynamic_sections)
     (bfd *output_bfd, struct bfd_link_info *info);
 
+  /* The STRIP_ZERO_SIZED_DYNAMIC_SECTIONS function is called by the
+     ELF backend linker to strip zero-sized dynamic sections after
+     the section sizes have been set.  */
+  bfd_boolean (*elf_backend_strip_zero_sized_dynamic_sections)
+    (struct bfd_link_info *info);
+
   /* Set TEXT_INDEX_SECTION and DATA_INDEX_SECTION, the output sections
      we keep to use as a base for relocs and symbols.  */
   void (*elf_backend_init_index_section)
@@ -1953,7 +1963,7 @@ struct elf_obj_tdata
   struct sdt_note *sdt_note_head;
 
   Elf_Internal_Shdr **group_sect_ptr;
-  int num_group;
+  unsigned int num_group;
 
   /* Index into group_sect_ptr, updated by setup_group when finding a
      section's group.  Used to optimize subsequent group searches.  */
@@ -2077,8 +2087,6 @@ extern bfd_boolean _bfd_elf_copy_private_bfd_data
 extern bfd_boolean _bfd_elf_print_private_bfd_data
   (bfd *, void *);
 const char * _bfd_elf_get_symbol_version_string
-  (bfd *, asymbol *, bfd_boolean *);
-const char * _bfd_elf_get_symbol_version_name
   (bfd *, asymbol *, bfd_boolean, bfd_boolean *);
 extern void bfd_elf_print_symbol
   (bfd *, void *, asymbol *, bfd_print_symbol_type);
@@ -2522,6 +2530,8 @@ extern bfd_boolean bfd_elf_link_add_symbols
   (bfd *, struct bfd_link_info *);
 extern bfd_boolean _bfd_elf_add_dynamic_entry
   (struct bfd_link_info *, bfd_vma, bfd_vma);
+extern bfd_boolean _bfd_elf_strip_zero_sized_dynamic_sections
+  (struct bfd_link_info *);
 extern int bfd_elf_add_dt_needed_tag
   (bfd *, struct bfd_link_info *);
 extern bfd_boolean _bfd_elf_link_check_relocs
@@ -2732,6 +2742,8 @@ extern char *elfcore_write_aarch_sve
   (bfd *, char *, int *, const void *, int);
 extern char *elfcore_write_aarch_pauth
   (bfd *, char *, int *, const void *, int);
+extern char *elfcore_write_arc_v2
+  (bfd *, char *, int *, const void *, int);
 extern char *elfcore_write_lwpstatus
   (bfd *, char *, int *, long, int, const void *);
 extern char *elfcore_write_register_note
@@ -2862,6 +2874,10 @@ extern bfd_boolean _bfd_elf_write_secondary_reloc_section
 extern unsigned int _bfd_elf_symbol_section_index
   (bfd *, elf_symbol_type *);
 
+extern asection *_bfd_elf_readonly_dynrelocs
+  (struct elf_link_hash_entry *);
+extern bfd_boolean _bfd_elf_maybe_set_textrel
+  (struct elf_link_hash_entry *, void *);
 
 /* Large common section.  */
 extern asection _bfd_elf_large_com_section;
@@ -2932,8 +2948,9 @@ extern asection _bfd_elf_large_com_section;
       else if (!bfd_link_relocatable (info))                           \
        {                                                               \
          bfd_boolean err;                                              \
-         err = (info->unresolved_syms_in_objects == RM_GENERATE_ERROR  \
-                || ELF_ST_VISIBILITY (h->other) != STV_DEFAULT);       \
+         err = (info->unresolved_syms_in_objects == RM_DIAGNOSE &&     \
+                !info->warn_unresolved_syms)                           \
+                || ELF_ST_VISIBILITY (h->other) != STV_DEFAULT;        \
          (*info->callbacks->undefined_symbol) (info,                   \
                                                h->root.root.string,    \
                                                input_bfd,              \