diff options
Diffstat (limited to 'bfd/som.h')
| -rw-r--r-- | bfd/som.h | 316 |
1 files changed, 155 insertions, 161 deletions
@@ -1,6 +1,6 @@ /* 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 Free Software Foundation, Inc. + 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). @@ -53,154 +53,154 @@ #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 { - 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; + 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; +{ + /* 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; + /* 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; + /* 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. */ - }; + /* 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; - }; +{ + /* 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 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; - }; +{ + 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. */ - }; +{ + /* 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. @@ -211,30 +211,29 @@ struct som_copyable_section_data_struct 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; - char *reloc_stream; - struct space_dictionary_record *space_dict; - struct som_subspace_dictionary_record *subspace_dict; - }; +{ + struct som_copyable_section_data_struct *copy_data; + unsigned int reloc_size; + 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 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 @@ -260,16 +259,11 @@ struct som_section_data_struct #define R_HPPA_END_TRY R_END_TRY /* Exported functions, mostly for use by GAS. */ -bfd_boolean bfd_som_set_section_attributes - PARAMS ((asection *, int, int, unsigned int, int)); -bfd_boolean bfd_som_set_subsection_attributes - PARAMS ((asection *, asection *, int, unsigned int, int, int, int, int)); -void bfd_som_set_symbol_type PARAMS ((asymbol *, unsigned int)); -bfd_boolean bfd_som_attach_aux_hdr PARAMS ((bfd *, int, char *)); -int ** hppa_som_gen_reloc_type - PARAMS ((bfd *, int, int, enum hppa_reloc_field_selector_type_alt, - int, asymbol *)); -bfd_boolean bfd_som_attach_compilation_unit - PARAMS ((bfd *, const char *, const char *, const char *, const char *)); +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 */ |