bfd, ld: add CTF section linking

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

diff --git a/bfd/elf-bfd.h b/bfd/elf-bfd.h
index 4458ff7b2ae61c78ab13c30afa52110487b41027..ccd2c35f871f2b32fe09f3d312d3339b84872545 100644 (file)
--- a/bfd/elf-bfd.h
+++ b/bfd/elf-bfd.h
@@ -529,6 +529,13 @@ struct elf_sym_strtab
   unsigned long destshndx_index;
 };
 
+struct bfd_link_needed_list
+{
+  struct bfd_link_needed_list *next;
+  bfd *by;
+  const char *name;
+};
+
 /* ELF linker hash table.  */
 
 struct elf_link_hash_table
@@ -1828,6 +1835,14 @@ typedef struct elf_section_list
   struct elf_section_list *  next;
 } elf_section_list;
 
+enum dynamic_lib_link_class {
+  DYN_NORMAL = 0,
+  DYN_AS_NEEDED = 1,
+  DYN_DT_NEEDED = 2,
+  DYN_NO_ADD_NEEDED = 4,
+  DYN_NO_NEEDED = 8
+};
+
 /* Some private data is stashed away for future use using the tdata pointer
    in the bfd structure.  */
 
@@ -2036,6 +2051,7 @@ 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 *);
 
@@ -2236,8 +2252,12 @@ 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
@@ -2287,6 +2307,37 @@ extern file_ptr _bfd_elf_assign_file_position_for_section
 extern bfd_boolean _bfd_elf_validate_reloc
   (bfd *, arelent *);
 
+extern bfd_boolean bfd_elf_record_link_assignment
+  (bfd *, struct bfd_link_info *, const char *, bfd_boolean,
+   bfd_boolean);
+extern bfd_boolean bfd_elf_stack_segment_size (bfd *, struct bfd_link_info *,
+                                              const char *, bfd_vma);
+extern bfd_boolean bfd_elf_size_dynamic_sections
+  (bfd *, const char *, const char *, const char *, const char *, const char *,
+   const char * const *, struct bfd_link_info *, struct bfd_section **);
+extern bfd_boolean bfd_elf_size_dynsym_hash_dynstr
+  (bfd *, struct bfd_link_info *);
+extern bfd_boolean bfd_elf_get_bfd_needed_list
+  (bfd *, struct bfd_link_needed_list **);
+extern struct bfd_link_needed_list *bfd_elf_get_needed_list
+  (bfd *, struct bfd_link_info *);
+extern void bfd_elf_set_dt_needed_name
+  (bfd *, const char *);
+extern const char *bfd_elf_get_dt_soname
+  (bfd *);
+extern void bfd_elf_set_dyn_lib_class
+  (bfd *, enum dynamic_lib_link_class);
+extern int bfd_elf_get_dyn_lib_class
+  (bfd *);
+extern struct bfd_link_needed_list *bfd_elf_get_runpath_list
+  (bfd *, struct bfd_link_info *);
+extern int bfd_elf_discard_info
+  (bfd *, struct bfd_link_info *);
+extern unsigned int _bfd_elf_default_action_discarded
+  (struct bfd_section *);
+extern struct bfd_section *_bfd_elf_tls_setup
+  (bfd *, struct bfd_link_info *);
+
 extern bfd_boolean _bfd_elf_link_create_dynamic_sections
   (bfd *, struct bfd_link_info *);
 extern bfd_boolean _bfd_elf_omit_section_dynsym_default
@@ -2557,6 +2608,22 @@ extern bfd_boolean _bfd_elf_ppc_set_arch (bfd *);
 extern bfd_boolean _bfd_elf_ppc_merge_fp_attributes
   (bfd *, struct bfd_link_info *);
 
+/* Return an upper bound on the number of bytes required to store a
+   copy of ABFD's program header table entries.  Return -1 if an error
+   occurs; bfd_get_error will return an appropriate code.  */
+extern long bfd_get_elf_phdr_upper_bound
+  (bfd *abfd);
+
+/* Copy ABFD's program header table entries to *PHDRS.  The entries
+   will be stored as an array of Elf_Internal_Phdr structures, as
+   defined in include/elf/internal.h.  To find out how large the
+   buffer needs to be, call bfd_get_elf_phdr_upper_bound.
+
+   Return the number of program header table entries read, or -1 if an
+   error occurs; bfd_get_error will return an appropriate code.  */
+extern int bfd_get_elf_phdrs
+  (bfd *abfd, void *phdrs);
+
 /* Exported interface for writing elf corefile notes.  */
 extern char *elfcore_write_note
   (bfd *, char *, int *, const char *, int, const void *, int);
@@ -2898,6 +2965,14 @@ 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