1 /* HP PA-RISC SOM object file format: definitions internal to BFD.
2 Copyright (C) 1990-1991 Free Software Foundation, Inc.
4 Contributed by the Center for Software Science at the
5 University of Utah (pa-gdb-bugs@cs.utah.edu).
7 This file is part of BFD, the Binary File Descriptor library.
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.
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.
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. */
31 #include <sys/utsname.h>
33 #endif /* HOST_HPPAHPUX */
37 /* Defining MAXCOMLEN avoids bringing in several (7 or 8) otherwise
38 useless include files which tend to clutter up the namespace.
40 BSD uses a completely different scheme for object file identification.
41 so for now, define _PA_RISC_ID to accept any random value for a model
45 #define _PA_RISC_ID(__m_num) 1
47 #endif /* HOST_HPPABSD */
49 #define BYTES_IN_WORD 4
52 struct som_exec_auxhdr
;
53 struct subspace_dictionary
;
55 #define FILE_HDR_SIZE sizeof(struct header)
56 #define AUX_HDR_SIZE sizeof(struct som_exec_auxhdr)
58 typedef struct hppa_symbol
68 struct header
*file_hdr
;
69 struct som_exec_auxhdr
*aux_hdr
;
70 hppa_symbol_type
*symbols
;
72 /* We remember these offsets so that after check_file_format, we have
73 no dependencies on the particular format of the exec_hdr. */
78 unsigned stringtab_size
;
80 /* Size of a symbol table entry in external form */
81 unsigned hp_symbol_entry_size
;
84 struct hppa_data_struct
{
88 #define padata(bfd) ((bfd)->tdata.hppa_data->a)
89 #define obj_file_hdr(bfd) (padata(bfd).file_hdr)
90 #define obj_aux_hdr(bfd) (padata(bfd).aux_hdr)
91 #define obj_pa_symbols(bfd) (padata(bfd).symbols)
92 #define obj_sym_filepos(bfd) (padata(bfd).sym_filepos)
93 #define obj_str_filepos(bfd) (padata(bfd).str_filepos)
94 #define obj_stringtab_size(bfd) (padata(bfd).stringtab_size)
96 /* We take the address of the first element of an asymbol to ensure that the
97 macro is only ever applied to an asymbol */
98 #define hppa_symbol(asymbol) ((hppa_symbol_type *)(&(asymbol)->the_bfd))
101 /* These are stored in the bfd's tdata */
103 struct hppa_core_struct
106 char cmd
[MAXCOMLEN
+ 1];
107 asection
*data_section
;
108 asection
*stack_section
;
109 asection
*reg_section
;
112 #define core_hdr(bfd) ((bfd)->tdata.hppa_core_data)
113 #define core_signal(bfd) (core_hdr(bfd)->sig)
114 #define core_command(bfd) (core_hdr(bfd)->cmd)
115 #define core_datasec(bfd) (core_hdr(bfd)->data_section)
116 #define core_stacksec(bfd) (core_hdr(bfd)->stack_section)
117 #define core_regsec(bfd) (core_hdr(bfd)->reg_section)
119 /* HP PA-RISC relocation types */
121 enum hppa_reloc_field_selector_type
132 R_HPPA_PSEL
= 0x9, /* P' : procedure address for shlib's */
133 R_HPPA_LPSEL
= 0xa, /* LP' : L' for procedure addresses */
134 R_HPPA_RPSEL
= 0xb, /* RP' : R' for procedure addresses */
136 R_HPPA_TSEL
= 0xc, /* T' : DLT-relative offset for shlib's */
137 R_HPPA_LTSEL
= 0xd, /* LT' : L' for DLT-relative offsets */
138 R_HPPA_RTSEL
= 0xe /* RT' : R' for DLT-relative offsets */
142 /* Need to undefine things defined in <machine/som.h> */
166 /* for compatibility */
167 enum hppa_reloc_field_selector_type_alt
169 e_fsel
= R_HPPA_FSEL
,
170 e_lssel
= R_HPPA_LSSEL
,
171 e_rssel
= R_HPPA_RSSEL
,
172 e_lsel
= R_HPPA_LSEL
,
173 e_rsel
= R_HPPA_RSEL
,
174 e_ldsel
= R_HPPA_LDSEL
,
175 e_rdsel
= R_HPPA_RDSEL
,
176 e_lrsel
= R_HPPA_LRSEL
,
177 e_rrsel
= R_HPPA_RRSEL
,
178 e_psel
= R_HPPA_PSEL
, /* P' : procedure address for shlib's */
179 e_lpsel
= R_HPPA_LPSEL
, /* LP' : L' for procedure addresses */
180 e_rpsel
= R_HPPA_RPSEL
, /* RP' : R' for procedure addresses */
182 e_tsel
= R_HPPA_TSEL
, /* T' : DLT-relative offset for shlib's */
183 e_ltsel
= R_HPPA_LTSEL
, /* LT' : L' for DLT-relative offsets */
184 e_rtsel
= R_HPPA_RTSEL
/* RT' : R' for DLT-relative offsets */
187 enum hppa_reloc_expr_type
197 /* for compatibility */
198 enum hppa_reloc_expr_type_alt
200 e_one
= R_HPPA_E_ONE
,
201 e_two
= R_HPPA_E_TWO
,
202 e_pcrel
= R_HPPA_E_PCREL
,
203 e_con
= R_HPPA_E_CON
,
204 e_plabel
= R_HPPA_E_PLABEL
,
208 #endif /* _LIBHPPA_H */