Add upstream binutils-2.25 snapshot 4/4 2014

For MIPS -mmsa support

Change-Id: I08c4f002fa7b33dec85ed75956e6ab551bb03c96

1 files changed, 711 insertions, 0 deletions

diff --git a/binutils-2.25/bfd/mach-o.h b/binutils-2.25/bfd/mach-o.h
new file mode 100644
index 00000000..916028fd
--- /dev/null
+++ b/binutils-2.25/bfd/mach-o.h
@@ -0,0 +1,711 @@
+/* Mach-O support for BFD.
+   Copyright 1999, 2000, 2001, 2002, 2003, 2005, 2007, 2008, 2009, 2011,
+   2012
+   Free Software Foundation, Inc.
+
+   This file is part of BFD, the Binary File Descriptor library.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+   MA 02110-1301, USA.  */
+
+#ifndef _BFD_MACH_O_H_
+#define _BFD_MACH_O_H_
+
+#include "bfd.h"
+#include "mach-o/loader.h"
+
+typedef struct bfd_mach_o_header
+{
+  unsigned long magic;
+  unsigned long cputype;
+  unsigned long cpusubtype;
+  unsigned long filetype;
+  unsigned long ncmds;
+  unsigned long sizeofcmds;
+  unsigned long flags;
+  unsigned int reserved;
+  /* Version 1: 32 bits, version 2: 64 bits.  */
+  unsigned int version;
+  enum bfd_endian byteorder;
+}
+bfd_mach_o_header;
+
+typedef struct bfd_mach_o_asymbol
+{
+  /* The actual symbol which the rest of BFD works with.  */
+  asymbol symbol;
+
+  /* Mach-O symbol fields.  */
+  unsigned char n_type;
+  unsigned char n_sect;
+  unsigned short n_desc;
+}
+bfd_mach_o_asymbol;
+
+#define BFD_MACH_O_SEGNAME_SIZE 16
+#define BFD_MACH_O_SECTNAME_SIZE 16
+
+typedef struct bfd_mach_o_section
+{
+  /* Fields present in the file.  */
+  char sectname[BFD_MACH_O_SECTNAME_SIZE + 1];	/* Always NUL padded.  */
+  char segname[BFD_MACH_O_SEGNAME_SIZE + 1];
+  bfd_vma addr;
+  bfd_vma size;
+  bfd_vma offset;
+  unsigned long align;
+  bfd_vma reloff;
+  unsigned long nreloc;
+  unsigned long flags;
+  unsigned long reserved1;
+  unsigned long reserved2;
+  unsigned long reserved3;
+
+  /* Corresponding bfd section.  */
+  asection *bfdsection;
+
+  /* An array holding the indirect symbols for this section.
+     NULL values indicate local symbols.
+     The number of symbols is determined from the section size and type.  */
+
+  bfd_mach_o_asymbol **indirect_syms;
+
+  /* Simply linked list.  */
+  struct bfd_mach_o_section *next;
+}
+bfd_mach_o_section;
+
+typedef struct bfd_mach_o_segment_command
+{
+  char segname[BFD_MACH_O_SEGNAME_SIZE + 1];
+  bfd_vma vmaddr;
+  bfd_vma vmsize;
+  bfd_vma fileoff;
+  unsigned long filesize;
+  unsigned long maxprot;	/* Maximum permitted protection.  */
+  unsigned long initprot;	/* Initial protection.  */
+  unsigned long nsects;
+  unsigned long flags;
+
+  /* Linked list of sections.  */
+  bfd_mach_o_section *sect_head;
+  bfd_mach_o_section *sect_tail;
+}
+bfd_mach_o_segment_command;
+
+/* Protection flags.  */
+#define BFD_MACH_O_PROT_READ    0x01
+#define BFD_MACH_O_PROT_WRITE   0x02
+#define BFD_MACH_O_PROT_EXECUTE 0x04
+
+/* Expanded internal representation of a relocation entry.  */
+typedef struct bfd_mach_o_reloc_info
+{
+  bfd_vma r_address;
+  bfd_vma r_value;
+  unsigned int r_scattered : 1;
+  unsigned int r_type : 4;
+  unsigned int r_pcrel : 1;
+  unsigned int r_length : 2;
+  unsigned int r_extern : 1;
+}
+bfd_mach_o_reloc_info;
+
+/* The symbol table is sorted like this:
+ (1) local.
+	(otherwise in order of generation)
+ (2) external defined
+	(sorted by name)
+ (3) external undefined / common
+	(sorted by name)
+*/
+
+typedef struct bfd_mach_o_symtab_command
+{
+  unsigned int symoff;
+  unsigned int nsyms;
+  unsigned int stroff;
+  unsigned int strsize;
+  bfd_mach_o_asymbol *symbols;
+  char *strtab;
+}
+bfd_mach_o_symtab_command;
+
+/* This is the second set of the symbolic information which is used to support
+   the data structures for the dynamically link editor.
+
+   The original set of symbolic information in the symtab_command which contains
+   the symbol and string tables must also be present when this load command is
+   present.  When this load command is present the symbol table is organized
+   into three groups of symbols:
+       local symbols (static and debugging symbols) - grouped by module
+       defined external symbols - grouped by module (sorted by name if not lib)
+       undefined external symbols (sorted by name)
+   In this load command there are offsets and counts to each of the three groups
+   of symbols.
+
+   This load command contains a the offsets and sizes of the following new
+   symbolic information tables:
+       table of contents
+       module table
+       reference symbol table
+       indirect symbol table
+   The first three tables above (the table of contents, module table and
+   reference symbol table) are only present if the file is a dynamically linked
+   shared library.  For executable and object modules, which are files
+   containing only one module, the information that would be in these three
+   tables is determined as follows:
+       table of contents - the defined external symbols are sorted by name
+       module table - the file contains only one module so everything in the
+                      file is part of the module.
+       reference symbol table - is the defined and undefined external symbols
+
+   For dynamically linked shared library files this load command also contains
+   offsets and sizes to the pool of relocation entries for all sections
+   separated into two groups:
+       external relocation entries
+       local relocation entries
+   For executable and object modules the relocation entries continue to hang
+   off the section structures.  */
+
+typedef struct bfd_mach_o_dylib_module
+{
+  /* Index into the string table indicating the name of the module.  */
+  unsigned long module_name_idx;
+  char *module_name;
+
+  /* Index into the symbol table of the first defined external symbol provided
+     by the module.  */
+  unsigned long iextdefsym;
+
+  /* Number of external symbols provided by this module.  */
+  unsigned long nextdefsym;
+
+  /* Index into the external reference table of the first entry
+     provided by this module.  */
+  unsigned long irefsym;
+
+  /* Number of external reference entries provided by this module.  */
+  unsigned long nrefsym;
+
+  /* Index into the symbol table of the first local symbol provided by this
+     module.  */
+  unsigned long ilocalsym;
+
+  /* Number of local symbols provided by this module.  */
+  unsigned long nlocalsym;
+
+  /* Index into the external relocation table of the first entry provided
+     by this module.  */
+  unsigned long iextrel;
+
+  /* Number of external relocation entries provided by this module.  */
+  unsigned long nextrel;
+
+  /* Index in the module initialization section to the pointers for this
+     module.  */
+  unsigned short iinit;
+
+  /* Index in the module termination section to the pointers for this
+     module.  */
+  unsigned short iterm;
+
+  /* Number of pointers in the module initialization for this module.  */
+  unsigned short ninit;
+
+  /* Number of pointers in the module termination for this module.  */
+  unsigned short nterm;
+
+  /* Number of data byte for this module that are used in the __module_info
+     section of the __OBJC segment.  */
+  unsigned long objc_module_info_size;
+
+  /* Statically linked address of the start of the data for this module
+     in the __module_info section of the __OBJC_segment.  */
+  bfd_vma objc_module_info_addr;
+}
+bfd_mach_o_dylib_module;
+
+typedef struct bfd_mach_o_dylib_table_of_content
+{
+  /* Index into the symbol table to the defined external symbol.  */
+  unsigned long symbol_index;
+
+  /* Index into the module table to the module for this entry.  */
+  unsigned long module_index;
+}
+bfd_mach_o_dylib_table_of_content;
+
+typedef struct bfd_mach_o_dylib_reference
+{
+  /* Index into the symbol table for the symbol being referenced.  */
+  unsigned long isym;
+
+  /* Type of the reference being made (use REFERENCE_FLAGS constants).  */
+  unsigned long flags;
+}
+bfd_mach_o_dylib_reference;
+#define BFD_MACH_O_REFERENCE_SIZE 4
+
+typedef struct bfd_mach_o_dysymtab_command
+{
+  /* The symbols indicated by symoff and nsyms of the LC_SYMTAB load command
+     are grouped into the following three groups:
+       local symbols (further grouped by the module they are from)
+       defined external symbols (further grouped by the module they are from)
+       undefined symbols
+
+     The local symbols are used only for debugging.  The dynamic binding
+     process may have to use them to indicate to the debugger the local
+     symbols for a module that is being bound.
+
+     The last two groups are used by the dynamic binding process to do the
+     binding (indirectly through the module table and the reference symbol
+     table when this is a dynamically linked shared library file).  */
+
+  unsigned long ilocalsym;    /* Index to local symbols.  */
+  unsigned long nlocalsym;    /* Number of local symbols.  */
+  unsigned long iextdefsym;   /* Index to externally defined symbols.  */
+  unsigned long nextdefsym;   /* Number of externally defined symbols.  */
+  unsigned long iundefsym;    /* Index to undefined symbols.  */
+  unsigned long nundefsym;    /* Number of undefined symbols.  */
+
+  /* For the for the dynamic binding process to find which module a symbol
+     is defined in the table of contents is used (analogous to the ranlib
+     structure in an archive) which maps defined external symbols to modules
+     they are defined in.  This exists only in a dynamically linked shared
+     library file.  For executable and object modules the defined external
+     symbols are sorted by name and is use as the table of contents.  */
+
+  unsigned long tocoff;       /* File offset to table of contents.  */
+  unsigned long ntoc;         /* Number of entries in table of contents.  */
+
+  /* To support dynamic binding of "modules" (whole object files) the symbol
+     table must reflect the modules that the file was created from.  This is
+     done by having a module table that has indexes and counts into the merged
+     tables for each module.  The module structure that these two entries
+     refer to is described below.  This exists only in a dynamically linked
+     shared library file.  For executable and object modules the file only
+     contains one module so everything in the file belongs to the module.  */
+
+  unsigned long modtaboff;    /* File offset to module table.  */
+  unsigned long nmodtab;      /* Number of module table entries.  */
+
+  /* To support dynamic module binding the module structure for each module
+     indicates the external references (defined and undefined) each module
+     makes.  For each module there is an offset and a count into the
+     reference symbol table for the symbols that the module references.
+     This exists only in a dynamically linked shared library file.  For
+     executable and object modules the defined external symbols and the
+     undefined external symbols indicates the external references.  */
+
+  unsigned long extrefsymoff;  /* Offset to referenced symbol table.  */
+  unsigned long nextrefsyms;   /* Number of referenced symbol table entries.  */
+
+  /* The sections that contain "symbol pointers" and "routine stubs" have
+     indexes and (implied counts based on the size of the section and fixed
+     size of the entry) into the "indirect symbol" table for each pointer
+     and stub.  For every section of these two types the index into the
+     indirect symbol table is stored in the section header in the field
+     reserved1.  An indirect symbol table entry is simply a 32bit index into
+     the symbol table to the symbol that the pointer or stub is referring to.
+     The indirect symbol table is ordered to match the entries in the section.  */
+
+  unsigned long indirectsymoff; /* File offset to the indirect symbol table.  */
+  unsigned long nindirectsyms;  /* Number of indirect symbol table entries.  */
+
+  /* To support relocating an individual module in a library file quickly the
+     external relocation entries for each module in the library need to be
+     accessed efficiently.  Since the relocation entries can't be accessed
+     through the section headers for a library file they are separated into
+     groups of local and external entries further grouped by module.  In this
+     case the presents of this load command who's extreloff, nextrel,
+     locreloff and nlocrel fields are non-zero indicates that the relocation
+     entries of non-merged sections are not referenced through the section
+     structures (and the reloff and nreloc fields in the section headers are
+     set to zero).
+
+     Since the relocation entries are not accessed through the section headers
+     this requires the r_address field to be something other than a section
+     offset to identify the item to be relocated.  In this case r_address is
+     set to the offset from the vmaddr of the first LC_SEGMENT command.
+
+     The relocation entries are grouped by module and the module table
+     entries have indexes and counts into them for the group of external
+     relocation entries for that the module.
+
+     For sections that are merged across modules there must not be any
+     remaining external relocation entries for them (for merged sections
+     remaining relocation entries must be local).  */
+
+  unsigned long extreloff;    /* Offset to external relocation entries.  */
+  unsigned long nextrel;      /* Number of external relocation entries.  */
+
+  /* All the local relocation entries are grouped together (they are not
+     grouped by their module since they are only used if the object is moved
+     from it statically link edited address).  */
+
+  unsigned long locreloff;    /* Offset to local relocation entries.  */
+  unsigned long nlocrel;      /* Number of local relocation entries.  */
+
+  bfd_mach_o_dylib_module *dylib_module;
+  bfd_mach_o_dylib_table_of_content *dylib_toc;
+  unsigned int *indirect_syms;
+  bfd_mach_o_dylib_reference *ext_refs;
+}
+bfd_mach_o_dysymtab_command;
+
+/* An indirect symbol table entry is simply a 32bit index into the symbol table
+   to the symbol that the pointer or stub is refering to.  Unless it is for a
+   non-lazy symbol pointer section for a defined symbol which strip(1) has
+   removed.  In which case it has the value INDIRECT_SYMBOL_LOCAL.  If the
+   symbol was also absolute INDIRECT_SYMBOL_ABS is or'ed with that.  */
+
+#define BFD_MACH_O_INDIRECT_SYMBOL_LOCAL 0x80000000
+#define BFD_MACH_O_INDIRECT_SYMBOL_ABS   0x40000000
+#define BFD_MACH_O_INDIRECT_SYMBOL_SIZE  4
+
+/* For LC_THREAD or LC_UNIXTHREAD.  */
+
+typedef struct bfd_mach_o_thread_flavour
+{
+  unsigned long flavour;
+  unsigned long offset;
+  unsigned long size;
+}
+bfd_mach_o_thread_flavour;
+
+typedef struct bfd_mach_o_thread_command
+{
+  unsigned long nflavours;
+  bfd_mach_o_thread_flavour *flavours;
+  asection *section;
+}
+bfd_mach_o_thread_command;
+
+/* For LC_LOAD_DYLINKER and LC_ID_DYLINKER.  */
+
+typedef struct bfd_mach_o_dylinker_command
+{
+  unsigned long name_offset;         /* Offset to library's path name.  */
+  unsigned long name_len;            /* Offset to library's path name.  */
+  char *name_str;
+}
+bfd_mach_o_dylinker_command;
+
+/* For LC_LOAD_DYLIB, LC_LOAD_WEAK_DYLIB, LC_ID_DYLIB
+   or LC_REEXPORT_DYLIB.  */
+
+typedef struct bfd_mach_o_dylib_command
+{
+  unsigned long name_offset;           /* Offset to library's path name.  */
+  unsigned long name_len;              /* Offset to library's path name.  */
+  unsigned long timestamp;	       /* Library's build time stamp.  */
+  unsigned long current_version;       /* Library's current version number.  */
+  unsigned long compatibility_version; /* Library's compatibility vers number.  */
+  char *name_str;
+}
+bfd_mach_o_dylib_command;
+
+/* For LC_PREBOUND_DYLIB.  */
+
+typedef struct bfd_mach_o_prebound_dylib_command
+{
+  unsigned long name;                /* Library's path name.  */
+  unsigned long nmodules;            /* Number of modules in library.  */
+  unsigned long linked_modules;      /* Bit vector of linked modules.  */
+}
+bfd_mach_o_prebound_dylib_command;
+
+/* For LC_UUID.  */
+
+typedef struct bfd_mach_o_uuid_command
+{
+  unsigned char uuid[16];
+}
+bfd_mach_o_uuid_command;
+
+/* For LC_CODE_SIGNATURE or LC_SEGMENT_SPLIT_INFO.  */
+
+typedef struct bfd_mach_o_linkedit_command
+{
+  unsigned long dataoff;
+  unsigned long datasize;
+}
+bfd_mach_o_linkedit_command;
+
+typedef struct bfd_mach_o_str_command
+{
+  unsigned long stroff;
+  unsigned long str_len;
+  char *str;
+}
+bfd_mach_o_str_command;
+
+typedef struct bfd_mach_o_fvmlib_command
+{
+  unsigned int name_offset;
+  unsigned int name_len;
+  char *name_str;
+  unsigned int minor_version;
+  unsigned int header_addr;
+}
+bfd_mach_o_fvmlib_command;
+
+typedef struct bfd_mach_o_dyld_info_command
+{
+  /* File offset and size to rebase info.  */
+  unsigned int rebase_off;
+  unsigned int rebase_size;
+
+  /* File offset and size of binding info.  */
+  unsigned int bind_off;
+  unsigned int bind_size;
+
+  /* File offset and size of weak binding info.  */
+  unsigned int weak_bind_off;
+  unsigned int weak_bind_size;
+
+  /* File offset and size of lazy binding info.  */
+  unsigned int lazy_bind_off;
+  unsigned int lazy_bind_size;
+
+  /* File offset and size of export info.  */
+  unsigned int export_off;
+  unsigned int export_size;
+}
+bfd_mach_o_dyld_info_command;
+
+typedef struct bfd_mach_o_version_min_command
+{
+  unsigned char rel;
+  unsigned char maj;
+  unsigned char min;
+  unsigned int reserved;
+}
+bfd_mach_o_version_min_command;
+
+typedef struct bfd_mach_o_encryption_info_command
+{
+  unsigned int cryptoff;
+  unsigned int cryptsize;
+  unsigned int cryptid;
+}
+bfd_mach_o_encryption_info_command;
+
+typedef struct bfd_mach_o_main_command
+{
+  bfd_uint64_t entryoff;
+  bfd_uint64_t stacksize;
+}
+bfd_mach_o_main_command;
+
+typedef struct bfd_mach_o_source_version_command
+{
+  unsigned int a;
+  unsigned short b;
+  unsigned short c;
+  unsigned short d;
+  unsigned short e;
+}
+bfd_mach_o_source_version_command;
+
+typedef struct bfd_mach_o_load_command
+{
+  bfd_mach_o_load_command_type type;
+  bfd_boolean type_required;
+  unsigned int offset;
+  unsigned int len;
+  union
+  {
+    bfd_mach_o_segment_command segment;
+    bfd_mach_o_symtab_command symtab;
+    bfd_mach_o_dysymtab_command dysymtab;
+    bfd_mach_o_thread_command thread;
+    bfd_mach_o_dylib_command dylib;
+    bfd_mach_o_dylinker_command dylinker;
+    bfd_mach_o_prebound_dylib_command prebound_dylib;
+    bfd_mach_o_uuid_command uuid;
+    bfd_mach_o_linkedit_command linkedit;
+    bfd_mach_o_str_command str;
+    bfd_mach_o_dyld_info_command dyld_info;
+    bfd_mach_o_version_min_command version_min;
+    bfd_mach_o_encryption_info_command encryption_info;
+    bfd_mach_o_fvmlib_command fvmlib;
+    bfd_mach_o_main_command main;
+    bfd_mach_o_source_version_command source_version;
+  }
+  command;
+}
+bfd_mach_o_load_command;
+
+typedef struct mach_o_data_struct
+{
+  /* Mach-O header.  */
+  bfd_mach_o_header header;
+  /* Array of load commands (length is given by header.ncmds).  */
+  bfd_mach_o_load_command *commands;
+
+  /* Flatten array of sections.  The array is 0-based.  */
+  unsigned long nsects;
+  bfd_mach_o_section **sections;
+
+  /* Used while writing: current length of the output file.  This is used
+     to allocate space in the file.  */
+  ufile_ptr filelen;
+
+  /* As symtab is referenced by other load command, it is handy to have
+     a direct access to it.  Although it is not clearly stated, only one symtab
+     is expected.  */
+  bfd_mach_o_symtab_command *symtab;
+  bfd_mach_o_dysymtab_command *dysymtab;
+
+  /* A place to stash dwarf2 info for this bfd.  */
+  void *dwarf2_find_line_info;
+
+  /* BFD of .dSYM file. */
+  bfd *dsym_bfd;
+
+  /* Cache of dynamic relocs. */
+  arelent *dyn_reloc_cache;
+}
+bfd_mach_o_data_struct;
+
+typedef struct bfd_mach_o_xlat_name
+{
+  const char *name;
+  unsigned long val;
+}
+bfd_mach_o_xlat_name;
+
+/* Target specific routines.  */
+
+#define bfd_mach_o_get_data(abfd) ((abfd)->tdata.mach_o_data)
+#define bfd_mach_o_get_backend_data(abfd) \
+  ((bfd_mach_o_backend_data*)(abfd)->xvec->backend_data)
+
+/* Get the Mach-O header for section SEC.  */
+#define bfd_mach_o_get_mach_o_section(sec) \
+  ((bfd_mach_o_section *)(sec)->used_by_bfd)
+
+bfd_boolean bfd_mach_o_valid (bfd *);
+bfd_boolean bfd_mach_o_mkobject_init (bfd *);
+const bfd_target *bfd_mach_o_object_p (bfd *);
+const bfd_target *bfd_mach_o_core_p (bfd *);
+const bfd_target *bfd_mach_o_archive_p (bfd *);
+bfd *bfd_mach_o_openr_next_archived_file (bfd *, bfd *);
+bfd_boolean bfd_mach_o_set_arch_mach (bfd *, enum bfd_architecture,
+                                      unsigned long);
+int bfd_mach_o_lookup_command (bfd *, bfd_mach_o_load_command_type, bfd_mach_o_load_command **);
+bfd_boolean bfd_mach_o_new_section_hook (bfd *, asection *);
+bfd_boolean bfd_mach_o_write_contents (bfd *);
+bfd_boolean bfd_mach_o_bfd_copy_private_symbol_data (bfd *, asymbol *,
+                                                     bfd *, asymbol *);
+bfd_boolean bfd_mach_o_bfd_copy_private_section_data (bfd *, asection *,
+                                                      bfd *, asection *);
+bfd_boolean bfd_mach_o_bfd_copy_private_bfd_data (bfd *, bfd *);
+bfd_boolean bfd_mach_o_bfd_set_private_flags (bfd *, flagword);
+long bfd_mach_o_get_symtab_upper_bound (bfd *);
+long bfd_mach_o_canonicalize_symtab (bfd *, asymbol **);
+long bfd_mach_o_get_synthetic_symtab (bfd *, long, asymbol **, long,
+                                      asymbol **, asymbol **ret);
+long bfd_mach_o_get_reloc_upper_bound (bfd *, asection *);
+long bfd_mach_o_canonicalize_reloc (bfd *, asection *, arelent **, asymbol **);
+long bfd_mach_o_get_dynamic_reloc_upper_bound (bfd *);
+long bfd_mach_o_canonicalize_dynamic_reloc (bfd *, arelent **, asymbol **);
+asymbol *bfd_mach_o_make_empty_symbol (bfd *);
+void bfd_mach_o_get_symbol_info (bfd *, asymbol *, symbol_info *);
+void bfd_mach_o_print_symbol (bfd *, void *, asymbol *, bfd_print_symbol_type);
+int bfd_mach_o_sizeof_headers (bfd *, struct bfd_link_info *);
+unsigned long bfd_mach_o_stack_addr (enum bfd_mach_o_cpu_type);
+int bfd_mach_o_core_fetch_environment (bfd *, unsigned char **, unsigned int *);
+char *bfd_mach_o_core_file_failing_command (bfd *);
+int bfd_mach_o_core_file_failing_signal (bfd *);
+bfd_boolean bfd_mach_o_core_file_matches_executable_p (bfd *, bfd *);
+bfd *bfd_mach_o_fat_extract (bfd *, bfd_format , const bfd_arch_info_type *);
+const bfd_target *bfd_mach_o_header_p (bfd *, bfd_mach_o_filetype,
+                                       bfd_mach_o_cpu_type);
+bfd_boolean bfd_mach_o_build_commands (bfd *);
+bfd_boolean bfd_mach_o_set_section_contents (bfd *, asection *, const void *,
+                                             file_ptr, bfd_size_type);
+unsigned int bfd_mach_o_version (bfd *);
+
+unsigned int bfd_mach_o_get_section_type_from_name (bfd *, const char *);
+unsigned int bfd_mach_o_get_section_attribute_from_name (const char *);
+
+void bfd_mach_o_convert_section_name_to_bfd (bfd *, const char *, const char *,
+					     const char **, flagword *);
+bfd_boolean bfd_mach_o_find_nearest_line (bfd *, asection *, asymbol **,
+                                          bfd_vma, const char **,
+                                          const char **, unsigned int *);
+bfd_boolean bfd_mach_o_close_and_cleanup (bfd *);
+bfd_boolean bfd_mach_o_free_cached_info (bfd *);
+
+unsigned int bfd_mach_o_section_get_nbr_indirect (bfd *, bfd_mach_o_section *);
+unsigned int bfd_mach_o_section_get_entry_size (bfd *, bfd_mach_o_section *);
+bfd_boolean bfd_mach_o_read_symtab_symbols (bfd *);
+bfd_boolean bfd_mach_o_read_symtab_strtab (bfd *abfd);
+
+/* A placeholder in case we need to suppress emitting the dysymtab for some
+   reason (e.g. compatibility with older system versions).  */
+#define bfd_mach_o_should_emit_dysymtab(x) TRUE
+
+extern const bfd_mach_o_xlat_name bfd_mach_o_section_attribute_name[];
+extern const bfd_mach_o_xlat_name bfd_mach_o_section_type_name[];
+
+extern const bfd_target mach_o_fat_vec;
+
+/* Interfaces between BFD names and Mach-O names.  */
+
+typedef struct mach_o_section_name_xlat
+{
+  const char *bfd_name;
+  const char *mach_o_name;
+  flagword bfd_flags;
+  unsigned int macho_sectype;
+  unsigned int macho_secattr;
+  unsigned int sectalign;
+} mach_o_section_name_xlat;
+
+typedef struct mach_o_segment_name_xlat
+{
+  const char *segname;
+  const mach_o_section_name_xlat *sections;
+} mach_o_segment_name_xlat;
+
+const mach_o_section_name_xlat *
+bfd_mach_o_section_data_for_mach_sect (bfd *, const char *, const char *);
+const mach_o_section_name_xlat *
+bfd_mach_o_section_data_for_bfd_name (bfd *, const char *, const char **);
+
+typedef struct bfd_mach_o_backend_data
+{
+  enum bfd_architecture arch;
+  bfd_boolean (*_bfd_mach_o_swap_reloc_in)(arelent *, bfd_mach_o_reloc_info *);
+  bfd_boolean (*_bfd_mach_o_swap_reloc_out)(arelent *, bfd_mach_o_reloc_info *);
+  bfd_boolean (*_bfd_mach_o_print_thread)(bfd *, bfd_mach_o_thread_flavour *,
+                                          void *, char *);
+  const mach_o_segment_name_xlat *segsec_names_xlat;
+  bfd_boolean (*bfd_mach_o_section_type_valid_for_target) (unsigned long);
+}
+bfd_mach_o_backend_data;
+
+/* Values used in symbol.udata.i, to signal that the mach-o-specific data in the
+   symbol are not yet set, or need validation (where this is possible).  */
+
+#define SYM_MACHO_FIELDS_UNSET ((bfd_vma) -1)
+#define SYM_MACHO_FIELDS_NOT_VALIDATED ((bfd_vma) -2)
+
+#endif /* _BFD_MACH_O_H_ */