X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=bfd%2Fsom.h;h=bf983c124657d539d77c8b4f82770e6afa451c8c;hb=07b76c2f0baf197ce44d66a153184d33047e7ba0;hp=99b777d3ca8da676cf0ec7b0f44068b423a12a46;hpb=8a2cdc6278bd8478f2cfac2d90683dbda1789898;p=deliverable%2Fbinutils-gdb.git diff --git a/bfd/som.h b/bfd/som.h index 99b777d3ca..bf983c1246 100644 --- a/bfd/som.h +++ b/bfd/som.h @@ -1,5 +1,5 @@ /* HP PA-RISC SOM object file format: definitions internal to BFD. - Copyright (C) 1990, 91, 92, 93, 94 Free Software Foundation, Inc. + Copyright (C) 1990-2020 Free Software Foundation, Inc. Contributed by the Center for Software Science at the University of Utah (pa-gdb-bugs@cs.utah.edu). @@ -8,7 +8,7 @@ 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 + 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, @@ -18,20 +18,33 @@ 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ + Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA + 02110-1301, USA. */ #ifndef _SOM_H #define _SOM_H -#include "../bfd/sysdep.h" #include "libhppa.h" -#include -#include -#include +/* 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" -#if defined(HOST_HPPABSD) || defined (HOST_HPPAOSF) +/* 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 +#include +#endif + +#ifdef __cplusplus +extern "C" { +#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. */ @@ -39,158 +52,169 @@ #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 { - asymbol symbol; - unsigned int som_type; - - /* Structured like the ELF tc_data union. Allows more code sharing - in GAS this way. */ - union - { - unsigned int hppa_arg_reloc; - 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; + 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; +{ + /* 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; - /* 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 a 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; - - /* 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; - - /* 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 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; - }; +{ + 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; - - /* 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. 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. + 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; - char *reloc_stream; - struct space_dictionary_record *space_dict; - struct subspace_dictionary_record *subspace_dict; - }; +{ + 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_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 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 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 reloation as - appropriate. This allows GAS to share much more code + 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 @@ -201,14 +225,21 @@ struct som_section_data_struct #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. */ -boolean bfd_som_set_section_attributes PARAMS ((asection *, int, int, - unsigned int, int)); -boolean bfd_som_set_subsection_attributes PARAMS ((asection *, asection *, - int, unsigned int, int)); -void bfd_som_set_symbol_type PARAMS ((asymbol *, unsigned int)); -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)); +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); + +#ifdef __cplusplus +} +#endif #endif /* _SOM_H */