Yet more signed overflow fixes

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

diff --git a/bfd/elf-bfd.h b/bfd/elf-bfd.h
index 0a83c173327c23b8078c124a890512d08ac00ab7..2db6fcdb41c69765bb18b07aff447c11676b839a 100644 (file)
--- a/bfd/elf-bfd.h
+++ b/bfd/elf-bfd.h
@@ -1165,7 +1165,7 @@ struct elf_backend_data
 
   /* This function is called to modify program headers just before
      they are written.  */
-  bfd_boolean (*elf_backend_modify_program_headers)
+  bfd_boolean (*elf_backend_modify_headers)
     (bfd *, struct bfd_link_info *);
 
   /* This function is called to see if the PHDR header should be
@@ -1192,10 +1192,9 @@ struct elf_backend_data
   bfd_boolean (*gc_mark_extra_sections)
     (struct bfd_link_info *, elf_gc_mark_hook_fn);
 
-  /* This function, if defined, is called after the ELF headers have
-     been created.  This allows for things like the OS and ABI versions
-     to be changed.  */
-  void (*elf_backend_post_process_headers)
+  /* This function is called to initialise ELF file header info.
+     Customised versions can modify things like the OS and ABI version.  */
+  bfd_boolean (*elf_backend_init_file_header)
     (bfd *, struct bfd_link_info *);
 
   /* This function, if defined, prints a symbol to file and returns the
@@ -1377,6 +1376,8 @@ struct elf_backend_data
      int (*target_read_memory) (bfd_vma vma, bfd_byte *myaddr,
                                bfd_size_type len));
 
+  bfd_boolean (*elf_backend_core_find_build_id) (bfd *, bfd_vma);
+
   /* This function is used by `_bfd_elf_get_synthetic_symtab';
      see elf.c.  */
   bfd_vma (*plt_sym_val) (bfd_vma, const asection *, const arelent *);
@@ -2051,6 +2052,7 @@ extern char *bfd_elf_string_from_elf_section
 extern Elf_Internal_Sym *bfd_elf_get_elf_syms
   (bfd *, Elf_Internal_Shdr *, size_t, size_t, Elf_Internal_Sym *, void *,
    Elf_External_Sym_Shndx *);
+extern char * bfd_elf_get_str_section (bfd *, unsigned int);
 extern const char *bfd_elf_sym_name
   (bfd *, Elf_Internal_Shdr *, Elf_Internal_Sym *, asection *);
 
@@ -2251,8 +2253,12 @@ 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_len
+  (struct elf_strtab_hash *);
 extern bfd_size_type _bfd_elf_strtab_offset
   (struct elf_strtab_hash *, size_t);
+extern const char * _bfd_elf_strtab_str
+  (struct elf_strtab_hash *, size_t idx, bfd_size_type *offset);
 extern bfd_boolean _bfd_elf_strtab_emit
   (bfd *, struct elf_strtab_hash *);
 extern void _bfd_elf_strtab_finalize
@@ -2298,6 +2304,8 @@ extern bfd_boolean _bfd_elf_compute_section_file_positions
   (bfd *, struct bfd_link_info *);
 extern file_ptr _bfd_elf_assign_file_position_for_section
   (Elf_Internal_Shdr *, file_ptr, bfd_boolean);
+extern bfd_boolean _bfd_elf_modify_headers
+  (bfd *, struct bfd_link_info *);
 
 extern bfd_boolean _bfd_elf_validate_reloc
   (bfd *, arelent *);
@@ -2382,7 +2390,7 @@ extern bfd_boolean _bfd_elf_setup_sections
 extern struct bfd_link_hash_entry *bfd_elf_define_start_stop
   (struct bfd_link_info *, const char *, asection *);
 
-extern void _bfd_elf_post_process_headers (bfd *, struct bfd_link_info *);
+extern bfd_boolean _bfd_elf_init_file_header (bfd *, struct bfd_link_info *);
 
 extern bfd_boolean _bfd_elf_final_write_processing (bfd *);
 
@@ -2398,6 +2406,8 @@ extern bfd_boolean bfd_elf32_core_file_matches_executable_p
   (bfd *, bfd *);
 extern int bfd_elf32_core_file_pid
   (bfd *);
+extern bfd_boolean _bfd_elf32_core_find_build_id
+  (bfd *, bfd_vma);
 
 extern bfd_boolean bfd_elf32_swap_symbol_in
   (bfd *, const void *, const void *, Elf_Internal_Sym *);
@@ -2444,6 +2454,8 @@ extern bfd_boolean bfd_elf64_core_file_matches_executable_p
   (bfd *, bfd *);
 extern int bfd_elf64_core_file_pid
   (bfd *);
+extern bfd_boolean _bfd_elf64_core_find_build_id
+  (bfd *, bfd_vma);
 
 extern bfd_boolean bfd_elf64_swap_symbol_in
   (bfd *, const void *, const void *, Elf_Internal_Sym *);
@@ -2768,6 +2780,7 @@ extern bfd_boolean _bfd_elf_merge_object_attributes
 extern bfd_boolean _bfd_elf_merge_unknown_attribute_low (bfd *, bfd *, int);
 extern bfd_boolean _bfd_elf_merge_unknown_attribute_list (bfd *, bfd *);
 extern Elf_Internal_Shdr *_bfd_elf_single_rel_hdr (asection *sec);
+extern bfd_boolean elf_read_notes (bfd *, file_ptr, bfd_size_type, size_t);
 
 extern bfd_boolean _bfd_elf_parse_gnu_properties
   (bfd *, Elf_Internal_Note *);
@@ -2823,8 +2836,8 @@ extern asection _bfd_elf_large_com_section;
 /* Hash for local symbol with the first section id, ID, in the input
    file and the local symbol index, SYM.  */
 #define ELF_LOCAL_SYMBOL_HASH(ID, SYM) \
-  (((((ID) & 0xff) << 24) | (((ID) & 0xff00) << 8)) \
-   ^ (SYM) ^ ((ID) >> 16))
+  (((((ID) & 0xffU) << 24) | (((ID) & 0xff00) << 8)) \
+   ^ (SYM) ^ (((ID) & 0xffff0000U) >> 16))
 
 /* This is the condition under which finish_dynamic_symbol will be called.
    If our finish_dynamic_symbol isn't called, we'll need to do something
@@ -2960,6 +2973,14 @@ extern asection _bfd_elf_large_com_section;
         || (H)->start_stop \
         || ((INFO)->dynamic && !(H)->dynamic)))
 
+/* Determine if a section contains CTF data, using its name.  */
+static inline bfd_boolean
+bfd_section_is_ctf (const asection *sec)
+{
+  const char *name = bfd_section_name (sec);
+  return strncmp (name, ".ctf", 4) == 0 && (name[4] == 0 || name[4] == '.');
+}
+
 #ifdef __cplusplus
 }
 #endif