bfd/libhppa.h

   1 /* HP PA-RISC SOM object file format:  definitions internal to BFD.
   2    Copyright (C) 1990-1991 Free Software Foundation, Inc.
   3
   4    Contributed by the Center for Software Science at the
   5    University of Utah (pa-gdb-bugs@cs.utah.edu).
   6
   7 This file is part of BFD, the Binary File Descriptor library.
   8
   9 This program is free software; you can redistribute it and/or modify
  10 it under the terms of the GNU General Public License as published by
  11 the Free Software Foundation; either version 2 of the License, or
  12 (at your option) any later version.
  13
  14 This program is distributed in the hope that it will be useful,
  15 but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 GNU General Public License for more details.
  18
  19 You should have received a copy of the GNU General Public License
  20 along with this program; if not, write to the Free Software
  21 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
  22
  23 #include <sys/core.h>
  24 #include <sys/utsname.h>
  25
  26 #define BYTES_IN_WORD 4
  27
  28 struct header;
  29 struct som_exec_auxhdr;
  30 struct subspace_dictionary;
  31
  32 #define FILE_HDR_SIZE sizeof(struct header)
  33 #define AUX_HDR_SIZE sizeof(struct som_exec_auxhdr)
  34
  35 unsigned int millicode_start, millicode_end;
  36
  37 typedef struct hppa_symbol
  38 {
  39   asymbol symbol;
  40   short desc;
  41   char other;
  42   unsigned char type;
  43 } hppa_symbol_type;
  44
  45 struct hppadata
  46 {
  47   struct header *file_hdr;
  48   struct som_exec_auxhdr *aux_hdr;
  49   hppa_symbol_type *symbols;
  50
  51   /* For ease, we do this */
  52   asection *textsec;
  53   asection *datasec;
  54   asection *bsssec;
  55
  56   /* We remember these offsets so that after check_file_format, we have
  57      no dependencies on the particular format of the exec_hdr.  */
  58   file_ptr dbx_sym_filepos;
  59   file_ptr dbx_str_filepos;
  60
  61   file_ptr hp_sym_filepos;
  62   file_ptr hp_str_filepos;
  63
  64   int dbx_sym_count;
  65   int hp_sym_count;
  66
  67   unsigned dbx_stringtab_size;
  68   unsigned hp_stringtab_size;
  69
  70   /* Size of a symbol table entry in external form */
  71   unsigned dbx_symbol_entry_size;
  72   unsigned hp_symbol_entry_size;
  73 };
  74
  75 struct hppa_data_struct {
  76   struct hppadata a;
  77 };
  78
  79 #define padata(bfd)              ((bfd)->tdata.hppa_data->a)
  80 #define obj_file_hdr(bfd)           (padata(bfd).file_hdr)
  81 #define obj_aux_hdr(bfd)            (padata(bfd).aux_hdr)
  82 #define obj_pa_symbols(bfd)   (padata(bfd).symbols)
  83 #define obj_textsec(bfd)        (padata(bfd).textsec)
  84 #define obj_datasec(bfd)        (padata(bfd).datasec)
  85 #define obj_bsssec(bfd)         (padata(bfd).bsssec)
  86 #define obj_dbx_sym_filepos(bfd)    (padata(bfd).dbx_sym_filepos)
  87 #define obj_dbx_str_filepos(bfd)    (padata(bfd).dbx_str_filepos)
  88 #define obj_hp_sym_filepos(bfd) (padata(bfd).hp_sym_filepos)
  89 #define obj_hp_str_filepos(bfd) (padata(bfd).hp_str_filepos)
  90 #define obj_dbx_sym_count(bfd)   (padata(bfd).dbx_sym_count)
  91 #define obj_hp_sym_count(bfd)   (padata(bfd).hp_sym_count)
  92 #define obj_dbx_stringtab_size(bfd)  (padata(bfd).dbx_stringtab_size)
  93 #define obj_hp_stringtab_size(bfd)  (padata(bfd).hp_stringtab_size)
  94 #define obj_dbx_symbol_entry_size(bfd)  (padata(bfd).dbx_symbol_entry_size)
  95 #define obj_hp_symbol_entry_size(bfd)  (padata(bfd).hp_symbol_entry_size)
  96
  97 /* We take the address of the first element of an asymbol to ensure that the
  98    macro is only ever applied to an asymbol */
  99 #define hppa_symbol(asymbol) ((hppa_symbol_type *)(&(asymbol)->the_bfd))
 100
 101
 102 /* These are stored in the bfd's tdata */
 103
 104 struct hppa_core_struct
 105 {
 106   int sig;
 107   char cmd[MAXCOMLEN + 1];
 108   asection *data_section;
 109   asection *stack_section;
 110   asection *reg_section;
 111 };
 112
 113 #define core_hdr(bfd) ((bfd)->tdata.hppa_core_data)
 114 #define core_signal(bfd) (core_hdr(bfd)->sig)
 115 #define core_command(bfd) (core_hdr(bfd)->cmd)
 116 #define core_datasec(bfd) (core_hdr(bfd)->data_section)
 117 #define core_stacksec(bfd) (core_hdr(bfd)->stack_section)
 118 #define core_regsec(bfd) (core_hdr(bfd)->reg_section)