Add upstream binutils-2.25 snapshot 4/4 2014

For MIPS -mmsa support

Change-Id: I08c4f002fa7b33dec85ed75956e6ab551bb03c96

1 files changed, 239 insertions, 0 deletions

diff --git a/binutils-2.25/bfd/som.h b/binutils-2.25/bfd/som.h
new file mode 100644
index 00000000..7a542493
--- /dev/null
+++ b/binutils-2.25/bfd/som.h
@@ -0,0 +1,239 @@
+/* HP PA-RISC SOM object file format:  definitions internal to BFD.
+   Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1998, 2000, 2001,
+   2002, 2003, 2004, 2005, 2007, 2008, 2012, 2013 Free Software Foundation, Inc.
+
+   Contributed by the Center for Software Science at the
+   University of Utah (pa-gdb-bugs@cs.utah.edu).
+
+   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 _SOM_H
+#define _SOM_H
+
+#include "libhppa.h"
+
+/* We want reloc.h to provide PA 2.0 defines.  */
+#define PA_2_0
+
+#include "som/aout.h"
+#include "som/lst.h"
+#include "som/internal.h"
+
+/* The SOM BFD backend doesn't currently use anything from these
+   two include files, but it's likely to need them in the future.  */
+#ifdef R_DLT_REL
+#include <shl.h>
+#include <dl.h>
+#endif
+
+#if defined (HOST_HPPABSD) || defined (HOST_HPPAOSF)
+/* BSD uses a completely different scheme for object file identification.
+   so for now, define _PA_RISC_ID to accept any random value for a model
+   number.  */
+#undef _PA_RISC_ID
+#define _PA_RISC_ID(__m_num) 1
+#endif /* HOST_HPPABSD */
+
+typedef struct som_symbol
+{
+  asymbol symbol;
+  unsigned int som_type;
+
+  /* Structured like the ELF tc_data union.  Allows more code sharing
+     in GAS this way.  */
+  union
+  {
+    struct
+    {
+      unsigned int hppa_arg_reloc;
+      unsigned int hppa_priv_level;
+    } ap;
+    void * any;
+  }
+  tc_data;
+
+  /* Index of this symbol in the symbol table.  Only used when
+     building relocation streams for incomplete objects.  */
+  int index;
+
+  /* How many times this symbol is used in a relocation.  By sorting
+     the symbols from most used to least used we can significantly
+     reduce the size of the relocation stream for incomplete objects.  */
+  int reloc_count;
+
+  /* During object file writing, the offset of the name of this symbol
+     in the SOM string table.  */
+  int stringtab_offset;
+}
+som_symbol_type;
+
+/* A structure containing all the magic information stored in a BFD's
+   private data which needs to be copied during an objcopy/strip run.  */
+struct som_exec_data
+{
+  /* Sort-of a magic number.  BSD uses it to distinguish between
+     native executables and hpux executables.  */
+  short system_id;
+
+  /* Magic exec flags.  These control things like whether or not
+     null pointer dereferencing is allowed and the like.  */
+  long exec_flags;
+
+  /* We must preserve the version identifier too.  Some versions
+     of the HP linker do not grok NEW_VERSION_ID for reasons unknown.  */
+  unsigned int version_id;
+
+  /* Add more stuff here as needed.  Good examples of information
+     we might want to pass would be presumed_dp, entry_* and maybe
+     others from the file header.  */
+};
+
+struct somdata
+{
+  /* All the magic information about an executable which lives
+     in the private BFD structure and needs to be copied from
+     the input bfd to the output bfd during an objcopy/strip.  */
+  struct som_exec_data *exec_data;
+
+  /* These three fields are only used when writing files and are
+     generated from scratch.  They need not be copied for objcopy
+     or strip to work.  */
+  struct som_header *file_hdr;
+  struct som_string_auxhdr *copyright_aux_hdr;
+  struct som_string_auxhdr *version_aux_hdr;
+  struct som_exec_auxhdr *exec_hdr;
+  struct som_compilation_unit *comp_unit;
+
+  /* Pointers to a saved copy of the symbol and string tables.  These
+     need not be copied for objcopy or strip to work.  */
+  som_symbol_type *symtab;
+  char *stringtab;
+  asymbol **sorted_syms;
+
+  /* We remember these offsets so that after check_file_format, we have
+     no dependencies on the particular format of the exec_hdr.
+     These offsets need not be copied for objcopy or strip to work.  */
+
+  file_ptr sym_filepos;
+  file_ptr str_filepos;
+  file_ptr reloc_filepos;
+  unsigned stringtab_size;
+  void * line_info;
+};
+
+struct som_data_struct
+{
+  struct somdata a;
+};
+
+/* Substructure of som_section_data_struct used to hold information
+   which can't be represented by the generic BFD section structure,
+   but which must be copied during objcopy or strip.  */
+struct som_copyable_section_data_struct
+{
+  /* Various fields in space and subspace headers that we need
+     to pass around.  */
+  unsigned int sort_key : 8;
+  unsigned int access_control_bits : 7;
+  unsigned int is_defined : 1;
+  unsigned int is_private : 1;
+  unsigned int quadrant : 2;
+  unsigned int is_comdat : 1;
+  unsigned int is_common : 1;
+  unsigned int dup_common : 1;
+
+  /* For subspaces, this points to the section which represents the
+     space in which the subspace is contained.  For spaces it points
+     back to the section for this space.  */
+  asection *container;
+
+  /* The user-specified space number.  It is wrong to use this as
+     an index since duplicates and holes are allowed.  */
+  int space_number;
+
+  /* Add more stuff here as needed.  Good examples of information
+     we might want to pass would be initialization pointers,
+     and the many subspace flags we do not represent yet.  */
+};
+
+/* Used to keep extra SOM specific information for a given section.
+
+   reloc_size holds the size of the relocation stream, note this
+   is very different from the number of relocations as SOM relocations
+   are variable length.
+
+   reloc_stream is the actual stream of relocation entries.  */
+
+struct som_section_data_struct
+{
+  struct som_copyable_section_data_struct *copy_data;
+  unsigned int reloc_size;
+  unsigned char *reloc_stream;
+  struct som_space_dictionary_record *space_dict;
+  struct som_subspace_dictionary_record *subspace_dict;
+};
+
+#define somdata(bfd)			((bfd)->tdata.som_data->a)
+#define obj_som_exec_data(bfd)		(somdata (bfd).exec_data)
+#define obj_som_file_hdr(bfd)		(somdata (bfd).file_hdr)
+#define obj_som_exec_hdr(bfd)		(somdata (bfd).exec_hdr)
+#define obj_som_copyright_hdr(bfd)	(somdata (bfd).copyright_aux_hdr)
+#define obj_som_version_hdr(bfd)	(somdata (bfd).version_aux_hdr)
+#define obj_som_compilation_unit(bfd)	(somdata (bfd).comp_unit)
+#define obj_som_symtab(bfd)		(somdata (bfd).symtab)
+#define obj_som_stringtab(bfd)		(somdata (bfd).stringtab)
+#define obj_som_sym_filepos(bfd)	(somdata (bfd).sym_filepos)
+#define obj_som_str_filepos(bfd)	(somdata (bfd).str_filepos)
+#define obj_som_stringtab_size(bfd)	(somdata (bfd).stringtab_size)
+#define obj_som_reloc_filepos(bfd)	(somdata (bfd).reloc_filepos)
+#define obj_som_sorted_syms(bfd)	(somdata (bfd).sorted_syms)
+#define som_section_data(sec)      ((struct som_section_data_struct *) sec->used_by_bfd)
+#define som_symbol_data(symbol)		((som_symbol_type *) symbol)
+
+/* Defines groups of basic relocations.  FIXME:  These should
+   be the only basic relocations created by GAS.  The rest
+   should be internal to the BFD backend.
+
+   The idea is both SOM and ELF define these basic relocation
+   types so they map into a SOM or ELF specific relocation as
+   appropriate.  This allows GAS to share much more code
+   between the two object formats.  */
+
+#define R_HPPA_NONE			R_NO_RELOCATION
+#define	R_HPPA				R_CODE_ONE_SYMBOL
+#define	R_HPPA_PCREL_CALL		R_PCREL_CALL
+#define R_HPPA_ABS_CALL			R_ABS_CALL
+#define	R_HPPA_GOTOFF			R_DP_RELATIVE
+#define R_HPPA_ENTRY			R_ENTRY
+#define R_HPPA_EXIT			R_EXIT
+#define R_HPPA_COMPLEX			R_COMP1
+#define R_HPPA_BEGIN_BRTAB		R_BEGIN_BRTAB
+#define R_HPPA_END_BRTAB		R_END_BRTAB
+#define R_HPPA_BEGIN_TRY		R_BEGIN_TRY
+#define R_HPPA_END_TRY			R_END_TRY
+
+/* Exported functions, mostly for use by GAS.  */
+bfd_boolean  bfd_som_set_section_attributes    (asection *, int, int, unsigned int, int);
+bfd_boolean  bfd_som_set_subsection_attributes (asection *, asection *, int, unsigned int, int, int, int, int);
+void         bfd_som_set_symbol_type           (asymbol *, unsigned int);
+bfd_boolean  bfd_som_attach_aux_hdr            (bfd *, int, char *);
+int **       hppa_som_gen_reloc_type           (bfd *, int, int, enum hppa_reloc_field_selector_type_alt, int, asymbol *);
+bfd_boolean  bfd_som_attach_compilation_unit   (bfd *, const char *, const char *, const char *, const char *);
+asection *   bfd_section_from_som_symbol       (bfd *abfd, struct som_external_symbol_dictionary_record *symbol);
+
+#endif /* _SOM_H */