diff options
Diffstat (limited to 'binutils-2.17/bfd/som.h')
| -rw-r--r-- | binutils-2.17/bfd/som.h | 269 |
1 files changed, 0 insertions, 269 deletions
diff --git a/binutils-2.17/bfd/som.h b/binutils-2.17/bfd/som.h deleted file mode 100644 index c423b418..00000000 --- a/binutils-2.17/bfd/som.h +++ /dev/null @@ -1,269 +0,0 @@ -/* 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 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 2 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 <a.out.h> -#include <lst.h> -#include <ar.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 */ - -#define FILE_HDR_SIZE sizeof (struct header) -#define AUX_HDR_SIZE sizeof (struct som_exec_auxhdr) - -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; - PTR 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 header *file_hdr; - struct copyright_aux_hdr *copyright_aux_hdr; - struct user_string_aux_hdr *version_aux_hdr; - struct som_exec_auxhdr *exec_hdr; - COMPUNIT *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; -}; - -struct som_data_struct -{ - struct somdata a; -}; - -struct som_subspace_dictionary_record -{ - int space_index; - unsigned int access_control_bits : 7; - unsigned int memory_resident : 1; - unsigned int dup_common : 1; - unsigned int is_common : 1; - unsigned int is_loadable : 1; - unsigned int quadrant : 2; - unsigned int initially_frozen : 1; - unsigned int is_first : 1; - unsigned int code_only : 1; - unsigned int sort_key : 8; - unsigned int replicate_init : 1; - unsigned int continuation : 1; - unsigned int is_tspecific : 1; - unsigned int is_comdat : 1; - unsigned int reserved : 4; - int file_loc_init_value; - unsigned int initialization_length; - unsigned int subspace_start; - unsigned int subspace_length; - unsigned int reserved2 : 5; - unsigned int alignment :27; - union name_pt name; - int fixup_request_index; - unsigned int fixup_request_quantity; -}; - -/* 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 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 *); - -#endif /* _SOM_H */ |