1 /* bfd back-end for HP PA-RISC SOM objects.
2 Copyright (C) 1990, 1991, 1992, 1993 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. */
26 #if defined (HOST_HPPAHPUX) || defined (HOST_HPPABSD)
33 #include <sys/types.h>
34 #include <sys/param.h>
37 #include <machine/reg.h>
38 #include <sys/user.h> /* After a.out.h */
42 /* Magic not defined in standard HP-UX header files until 8.0 */
44 #ifndef CPU_PA_RISC1_0
45 #define CPU_PA_RISC1_0 0x20B
46 #endif /* CPU_PA_RISC1_0 */
48 #ifndef CPU_PA_RISC1_1
49 #define CPU_PA_RISC1_1 0x210
50 #endif /* CPU_PA_RISC1_1 */
52 #ifndef _PA_RISC1_0_ID
53 #define _PA_RISC1_0_ID CPU_PA_RISC1_0
54 #endif /* _PA_RISC1_0_ID */
56 #ifndef _PA_RISC1_1_ID
57 #define _PA_RISC1_1_ID CPU_PA_RISC1_1
58 #endif /* _PA_RISC1_1_ID */
60 #ifndef _PA_RISC_MAXID
61 #define _PA_RISC_MAXID 0x2FF
62 #endif /* _PA_RISC_MAXID */
65 #define _PA_RISC_ID(__m_num) \
66 (((__m_num) == _PA_RISC1_0_ID) || \
67 ((__m_num) >= _PA_RISC1_1_ID && (__m_num) <= _PA_RISC_MAXID))
68 #endif /* _PA_RISC_ID */
70 /* SOM allows any one of the four previous relocations to be reused
71 with a "R_PREV_FIXUP" relocation entry. Since R_PREV_FIXUP
72 relocations are always a single byte, using a R_PREV_FIXUP instead
73 of some multi-byte relocation makes object files smaller.
75 Note one side effect of using a R_PREV_FIXUP is the relocation that
76 is being repeated moves to the front of the queue. */
83 /* This fully describes the symbol types which may be attached to
84 an EXPORT or IMPORT directive. Only SOM uses this formation
85 (ELF has no need for it). */
93 SYMBOL_TYPE_MILLICODE
,
99 /* Forward declarations */
101 static boolean som_mkobject
PARAMS ((bfd
*));
102 static bfd_target
* som_object_setup
PARAMS ((bfd
*,
104 struct som_exec_auxhdr
*));
105 static asection
* make_unique_section
PARAMS ((bfd
*, CONST
char *, int));
106 static boolean setup_sections
PARAMS ((bfd
*, struct header
*));
107 static bfd_target
* som_object_p
PARAMS ((bfd
*));
108 static boolean som_write_object_contents
PARAMS ((bfd
*));
109 static boolean som_slurp_string_table
PARAMS ((bfd
*));
110 static unsigned int som_slurp_symbol_table
PARAMS ((bfd
*));
111 static unsigned int som_get_symtab_upper_bound
PARAMS ((bfd
*));
112 static unsigned int som_canonicalize_reloc
PARAMS ((bfd
*, sec_ptr
,
113 arelent
**, asymbol
**));
114 static unsigned int som_get_reloc_upper_bound
PARAMS ((bfd
*, sec_ptr
));
115 static unsigned int som_get_symtab
PARAMS ((bfd
*, asymbol
**));
116 static asymbol
* som_make_empty_symbol
PARAMS ((bfd
*));
117 static void som_print_symbol
PARAMS ((bfd
*, PTR
,
118 asymbol
*, bfd_print_symbol_type
));
119 static boolean som_new_section_hook
PARAMS ((bfd
*, asection
*));
120 static boolean som_set_section_contents
PARAMS ((bfd
*, sec_ptr
, PTR
,
121 file_ptr
, bfd_size_type
));
122 static boolean som_set_arch_mach
PARAMS ((bfd
*, enum bfd_architecture
,
124 static boolean som_find_nearest_line
PARAMS ((bfd
*, asection
*,
129 static void som_get_symbol_info
PARAMS ((bfd
*, asymbol
*, symbol_info
*));
130 static asection
* som_section_from_subspace_index
PARAMS ((bfd
*,
132 static int log2
PARAMS ((unsigned int));
133 static bfd_reloc_status_type hppa_som_reloc
PARAMS ((bfd
*, arelent
*,
136 static void som_initialize_reloc_queue
PARAMS ((struct reloc_queue
*));
137 static void som_reloc_queue_insert
PARAMS ((unsigned char *, unsigned int,
138 struct reloc_queue
*));
139 static void som_reloc_queue_fix
PARAMS ((struct reloc_queue
*, unsigned int));
140 static int som_reloc_queue_find
PARAMS ((unsigned char *, unsigned int,
141 struct reloc_queue
*));
142 static unsigned char * try_prev_fixup
PARAMS ((bfd
*, int *, unsigned char *,
144 struct reloc_queue
*));
146 static unsigned char * som_reloc_skip
PARAMS ((bfd
*, unsigned int,
147 unsigned char *, unsigned int *,
148 struct reloc_queue
*));
149 static unsigned char * som_reloc_addend
PARAMS ((bfd
*, int, unsigned char *,
151 struct reloc_queue
*));
152 static unsigned char * som_reloc_call
PARAMS ((bfd
*, unsigned char *,
155 struct reloc_queue
*));
156 static unsigned long som_count_spaces
PARAMS ((bfd
*));
157 static unsigned long som_count_subspaces
PARAMS ((bfd
*));
158 static int compare_syms
PARAMS ((asymbol
**, asymbol
**));
159 static unsigned long som_compute_checksum
PARAMS ((bfd
*));
160 static boolean som_prep_headers
PARAMS ((bfd
*));
161 static int som_sizeof_headers
PARAMS ((bfd
*, boolean
));
162 static boolean som_write_headers
PARAMS ((bfd
*));
163 static boolean som_build_and_write_symbol_table
PARAMS ((bfd
*));
166 static reloc_howto_type som_hppa_howto_table
[] =
168 {R_NO_RELOCATION
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_NO_RELOCATION"},
169 {R_NO_RELOCATION
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_NO_RELOCATION"},
170 {R_NO_RELOCATION
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_NO_RELOCATION"},
171 {R_NO_RELOCATION
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_NO_RELOCATION"},
172 {R_NO_RELOCATION
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_NO_RELOCATION"},
173 {R_NO_RELOCATION
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_NO_RELOCATION"},
174 {R_NO_RELOCATION
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_NO_RELOCATION"},
175 {R_NO_RELOCATION
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_NO_RELOCATION"},
176 {R_NO_RELOCATION
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_NO_RELOCATION"},
177 {R_NO_RELOCATION
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_NO_RELOCATION"},
178 {R_NO_RELOCATION
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_NO_RELOCATION"},
179 {R_NO_RELOCATION
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_NO_RELOCATION"},
180 {R_NO_RELOCATION
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_NO_RELOCATION"},
181 {R_NO_RELOCATION
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_NO_RELOCATION"},
182 {R_NO_RELOCATION
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_NO_RELOCATION"},
183 {R_NO_RELOCATION
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_NO_RELOCATION"},
184 {R_NO_RELOCATION
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_NO_RELOCATION"},
185 {R_NO_RELOCATION
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_NO_RELOCATION"},
186 {R_NO_RELOCATION
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_NO_RELOCATION"},
187 {R_NO_RELOCATION
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_NO_RELOCATION"},
188 {R_NO_RELOCATION
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_NO_RELOCATION"},
189 {R_NO_RELOCATION
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_NO_RELOCATION"},
190 {R_NO_RELOCATION
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_NO_RELOCATION"},
191 {R_NO_RELOCATION
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_NO_RELOCATION"},
192 {R_NO_RELOCATION
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_NO_RELOCATION"},
193 {R_NO_RELOCATION
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_NO_RELOCATION"},
194 {R_NO_RELOCATION
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_NO_RELOCATION"},
195 {R_NO_RELOCATION
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_NO_RELOCATION"},
196 {R_NO_RELOCATION
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_NO_RELOCATION"},
197 {R_NO_RELOCATION
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_NO_RELOCATION"},
198 {R_NO_RELOCATION
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_NO_RELOCATION"},
199 {R_NO_RELOCATION
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_NO_RELOCATION"},
200 {R_ZEROES
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_ZEROES"},
201 {R_ZEROES
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_ZEROES"},
202 {R_UNINIT
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_UNINIT"},
203 {R_UNINIT
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_UNINIT"},
204 {R_RELOCATION
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RELOCATION"},
205 {R_DATA_ONE_SYMBOL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_DATA_ONE_SYMBOL"},
206 {R_DATA_ONE_SYMBOL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_DATA_ONE_SYMBOL"},
207 {R_DATA_PLABEL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_DATA_PLABEL"},
208 {R_DATA_PLABEL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_DATA_PLABEL"},
209 {R_SPACE_REF
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_SPACE_REF"},
210 {R_REPEATED_INIT
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "REPEATED_INIT"},
211 {R_REPEATED_INIT
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "REPEATED_INIT"},
212 {R_REPEATED_INIT
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "REPEATED_INIT"},
213 {R_REPEATED_INIT
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "REPEATED_INIT"},
214 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
215 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
216 {R_PCREL_CALL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_PCREL_CALL"},
217 {R_PCREL_CALL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_PCREL_CALL"},
218 {R_PCREL_CALL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_PCREL_CALL"},
219 {R_PCREL_CALL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_PCREL_CALL"},
220 {R_PCREL_CALL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_PCREL_CALL"},
221 {R_PCREL_CALL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_PCREL_CALL"},
222 {R_PCREL_CALL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_PCREL_CALL"},
223 {R_PCREL_CALL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_PCREL_CALL"},
224 {R_PCREL_CALL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_PCREL_CALL"},
225 {R_PCREL_CALL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_PCREL_CALL"},
226 {R_PCREL_CALL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_PCREL_CALL"},
227 {R_PCREL_CALL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_PCREL_CALL"},
228 {R_PCREL_CALL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_PCREL_CALL"},
229 {R_PCREL_CALL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_PCREL_CALL"},
230 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
231 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
232 {R_ABS_CALL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_ABS_CALL"},
233 {R_ABS_CALL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_ABS_CALL"},
234 {R_ABS_CALL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_ABS_CALL"},
235 {R_ABS_CALL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_ABS_CALL"},
236 {R_ABS_CALL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_ABS_CALL"},
237 {R_ABS_CALL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_ABS_CALL"},
238 {R_ABS_CALL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_ABS_CALL"},
239 {R_ABS_CALL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_ABS_CALL"},
240 {R_ABS_CALL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_ABS_CALL"},
241 {R_ABS_CALL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_ABS_CALL"},
242 {R_ABS_CALL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_ABS_CALL"},
243 {R_ABS_CALL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_ABS_CALL"},
244 {R_ABS_CALL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_ABS_CALL"},
245 {R_ABS_CALL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_ABS_CALL"},
246 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
247 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
248 {R_DP_RELATIVE
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_DP_RELATIVE"},
249 {R_DP_RELATIVE
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_DP_RELATIVE"},
250 {R_DP_RELATIVE
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_DP_RELATIVE"},
251 {R_DP_RELATIVE
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_DP_RELATIVE"},
252 {R_DP_RELATIVE
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_DP_RELATIVE"},
253 {R_DP_RELATIVE
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_DP_RELATIVE"},
254 {R_DP_RELATIVE
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_DP_RELATIVE"},
255 {R_DP_RELATIVE
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_DP_RELATIVE"},
256 {R_DP_RELATIVE
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_DP_RELATIVE"},
257 {R_DP_RELATIVE
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_DP_RELATIVE"},
258 {R_DP_RELATIVE
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_DP_RELATIVE"},
259 {R_DP_RELATIVE
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_DP_RELATIVE"},
260 {R_DP_RELATIVE
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_DP_RELATIVE"},
261 {R_DP_RELATIVE
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_DP_RELATIVE"},
262 {R_DP_RELATIVE
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_DP_RELATIVE"},
263 {R_DP_RELATIVE
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_DP_RELATIVE"},
264 {R_DP_RELATIVE
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_DP_RELATIVE"},
265 {R_DP_RELATIVE
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_DP_RELATIVE"},
266 {R_DP_RELATIVE
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_DP_RELATIVE"},
267 {R_DP_RELATIVE
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_DP_RELATIVE"},
268 {R_DP_RELATIVE
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_DP_RELATIVE"},
269 {R_DP_RELATIVE
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_DP_RELATIVE"},
270 {R_DP_RELATIVE
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_DP_RELATIVE"},
271 {R_DP_RELATIVE
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_DP_RELATIVE"},
272 {R_DP_RELATIVE
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_DP_RELATIVE"},
273 {R_DP_RELATIVE
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_DP_RELATIVE"},
274 {R_DP_RELATIVE
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_DP_RELATIVE"},
275 {R_DP_RELATIVE
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_DP_RELATIVE"},
276 {R_DP_RELATIVE
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_DP_RELATIVE"},
277 {R_DP_RELATIVE
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_DP_RELATIVE"},
278 {R_DP_RELATIVE
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_DP_RELATIVE"},
279 {R_DP_RELATIVE
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_DP_RELATIVE"},
280 {R_DP_RELATIVE
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_DP_RELATIVE"},
281 {R_DP_RELATIVE
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_DP_RELATIVE"},
282 {R_DP_RELATIVE
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_DP_RELATIVE"},
283 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
284 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
285 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
286 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
287 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
288 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
289 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
290 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
291 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
292 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
293 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
294 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
295 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
296 {R_CODE_ONE_SYMBOL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_CODE_ONE_SYMBOL"},
297 {R_CODE_ONE_SYMBOL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_CODE_ONE_SYMBOL"},
298 {R_CODE_ONE_SYMBOL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_CODE_ONE_SYMBOL"},
299 {R_CODE_ONE_SYMBOL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_CODE_ONE_SYMBOL"},
300 {R_CODE_ONE_SYMBOL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_CODE_ONE_SYMBOL"},
301 {R_CODE_ONE_SYMBOL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_CODE_ONE_SYMBOL"},
302 {R_CODE_ONE_SYMBOL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_CODE_ONE_SYMBOL"},
303 {R_CODE_ONE_SYMBOL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_CODE_ONE_SYMBOL"},
304 {R_CODE_ONE_SYMBOL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_CODE_ONE_SYMBOL"},
305 {R_CODE_ONE_SYMBOL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_CODE_ONE_SYMBOL"},
306 {R_CODE_ONE_SYMBOL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_CODE_ONE_SYMBOL"},
307 {R_CODE_ONE_SYMBOL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_CODE_ONE_SYMBOL"},
308 {R_CODE_ONE_SYMBOL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_CODE_ONE_SYMBOL"},
309 {R_CODE_ONE_SYMBOL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_CODE_ONE_SYMBOL"},
310 {R_CODE_ONE_SYMBOL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_CODE_ONE_SYMBOL"},
311 {R_CODE_ONE_SYMBOL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_CODE_ONE_SYMBOL"},
312 {R_CODE_ONE_SYMBOL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_CODE_ONE_SYMBOL"},
313 {R_CODE_ONE_SYMBOL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_CODE_ONE_SYMBOL"},
314 {R_CODE_ONE_SYMBOL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_CODE_ONE_SYMBOL"},
315 {R_CODE_ONE_SYMBOL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_CODE_ONE_SYMBOL"},
316 {R_CODE_ONE_SYMBOL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_CODE_ONE_SYMBOL"},
317 {R_CODE_ONE_SYMBOL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_CODE_ONE_SYMBOL"},
318 {R_CODE_ONE_SYMBOL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_CODE_ONE_SYMBOL"},
319 {R_CODE_ONE_SYMBOL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_CODE_ONE_SYMBOL"},
320 {R_CODE_ONE_SYMBOL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_CODE_ONE_SYMBOL"},
321 {R_CODE_ONE_SYMBOL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_CODE_ONE_SYMBOL"},
322 {R_CODE_ONE_SYMBOL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_CODE_ONE_SYMBOL"},
323 {R_CODE_ONE_SYMBOL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_CODE_ONE_SYMBOL"},
324 {R_CODE_ONE_SYMBOL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_CODE_ONE_SYMBOL"},
325 {R_CODE_ONE_SYMBOL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_CODE_ONE_SYMBOL"},
326 {R_CODE_ONE_SYMBOL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_CODE_ONE_SYMBOL"},
327 {R_CODE_ONE_SYMBOL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_CODE_ONE_SYMBOL"},
328 {R_CODE_ONE_SYMBOL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_CODE_ONE_SYMBOL"},
329 {R_CODE_ONE_SYMBOL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_CODE_ONE_SYMBOL"},
330 {R_CODE_ONE_SYMBOL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_CODE_ONE_SYMBOL"},
331 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
332 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
333 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
334 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
335 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
336 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
337 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
338 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
339 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
340 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
341 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
342 {R_MILLI_REL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_MILLI_REL"},
343 {R_MILLI_REL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_MILLI_REL"},
344 {R_CODE_PLABEL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_CODE_PLABEL"},
345 {R_CODE_PLABEL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_CODE_PLABEL"},
346 {R_BREAKPOINT
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_BREAKPOINT"},
347 {R_ENTRY
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_ENTRY"},
348 {R_ENTRY
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_ENTRY"},
349 {R_ALT_ENTRY
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_ALT_ENTRY"},
350 {R_EXIT
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_EXIT"},
351 {R_BEGIN_TRY
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_BEGIN_TRY"},
352 {R_END_TRY
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_END_TRY"},
353 {R_END_TRY
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_END_TRY"},
354 {R_BEGIN_BRTAB
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_BEGIN_BRTAB"},
355 {R_END_BRTAB
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_END_BRTAB"},
356 {R_STATEMENT
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_STATEMENT"},
357 {R_STATEMENT
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_STATEMENT"},
358 {R_STATEMENT
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_STATEMENT"},
359 {R_DATA_EXPR
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_DATA_EXPR"},
360 {R_CODE_EXPR
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_CODE_EXPR"},
361 {R_FSEL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_FSEL"},
362 {R_LSEL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_LSEL"},
363 {R_RSEL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RSEL"},
364 {R_N_MODE
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_N_MODE"},
365 {R_S_MODE
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_S_MODE"},
366 {R_D_MODE
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_D_MODE"},
367 {R_R_MODE
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_R_MODE"},
368 {R_DATA_OVERRIDE
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_DATA_OVERRIDE"},
369 {R_DATA_OVERRIDE
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_DATA_OVERRIDE"},
370 {R_DATA_OVERRIDE
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_DATA_OVERRIDE"},
371 {R_DATA_OVERRIDE
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_DATA_OVERRIDE"},
372 {R_DATA_OVERRIDE
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_DATA_OVERRIDE"},
373 {R_DATA_OVERRIDE
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_DATA_OVERRIDE"},
374 {R_TRANSLATED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_TRANSLATED"},
375 {R_STATEMENT
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_STATEMENT"},
376 {R_STATEMENT
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_STATEMENT"},
377 {R_STATEMENT
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_STATEMENT"},
378 {R_COMP1
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_COMP1"},
379 {R_COMP2
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_COMP2"},
380 {R_COMP3
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_COMP3"},
381 {R_PREV_FIXUP
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_PREV_FIXUP"},
382 {R_PREV_FIXUP
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_PREV_FIXUP"},
383 {R_PREV_FIXUP
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_PREV_FIXUP"},
384 {R_PREV_FIXUP
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_PREV_FIXUP"},
385 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
386 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
387 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
388 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
389 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
390 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
391 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
392 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
393 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
394 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
395 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
396 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
397 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
398 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
399 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
400 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
401 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
402 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
403 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
404 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
405 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
406 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
407 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
408 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
409 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
410 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
411 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
412 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
413 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
414 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
415 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
416 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
417 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
418 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
419 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
420 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
421 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
422 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
423 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
424 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
425 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"}};
428 /* Initialize the SOM relocation queue. By definition the queue holds
429 the last four multibyte fixups. */
432 som_initialize_reloc_queue (queue
)
433 struct reloc_queue
*queue
;
435 queue
[0].reloc
= NULL
;
437 queue
[1].reloc
= NULL
;
439 queue
[2].reloc
= NULL
;
441 queue
[3].reloc
= NULL
;
445 /* Insert a new relocation into the relocation queue. */
448 som_reloc_queue_insert (p
, size
, queue
)
451 struct reloc_queue
*queue
;
453 queue
[3].reloc
= queue
[2].reloc
;
454 queue
[3].size
= queue
[2].size
;
455 queue
[2].reloc
= queue
[1].reloc
;
456 queue
[2].size
= queue
[1].size
;
457 queue
[1].reloc
= queue
[0].reloc
;
458 queue
[1].size
= queue
[0].size
;
460 queue
[0].size
= size
;
463 /* When an entry in the relocation queue is reused, the entry moves
464 to the front of the queue. */
467 som_reloc_queue_fix (queue
, index
)
468 struct reloc_queue
*queue
;
476 unsigned char *tmp1
= queue
[0].reloc
;
477 unsigned int tmp2
= queue
[0].size
;
478 queue
[0].reloc
= queue
[1].reloc
;
479 queue
[0].size
= queue
[1].size
;
480 queue
[1].reloc
= tmp1
;
481 queue
[1].size
= tmp2
;
487 unsigned char *tmp1
= queue
[0].reloc
;
488 unsigned int tmp2
= queue
[0].size
;
489 queue
[0].reloc
= queue
[2].reloc
;
490 queue
[0].size
= queue
[2].size
;
491 queue
[2].reloc
= queue
[1].reloc
;
492 queue
[2].size
= queue
[1].size
;
493 queue
[1].reloc
= tmp1
;
494 queue
[1].size
= tmp2
;
500 unsigned char *tmp1
= queue
[0].reloc
;
501 unsigned int tmp2
= queue
[0].size
;
502 queue
[0].reloc
= queue
[3].reloc
;
503 queue
[0].size
= queue
[3].size
;
504 queue
[3].reloc
= queue
[2].reloc
;
505 queue
[3].size
= queue
[2].size
;
506 queue
[2].reloc
= queue
[1].reloc
;
507 queue
[2].size
= queue
[1].size
;
508 queue
[1].reloc
= tmp1
;
509 queue
[1].size
= tmp2
;
515 /* Search for a particular relocation in the relocation queue. */
518 som_reloc_queue_find (p
, size
, queue
)
521 struct reloc_queue
*queue
;
523 if (!bcmp (p
, queue
[0].reloc
, size
)
524 && size
== queue
[0].size
)
526 if (!bcmp (p
, queue
[1].reloc
, size
)
527 && size
== queue
[1].size
)
529 if (!bcmp (p
, queue
[2].reloc
, size
)
530 && size
== queue
[2].size
)
532 if (!bcmp (p
, queue
[3].reloc
, size
)
533 && size
== queue
[3].size
)
538 static unsigned char *
539 try_prev_fixup (abfd
, subspace_reloc_sizep
, p
, size
, queue
)
541 int *subspace_reloc_sizep
;
544 struct reloc_queue
*queue
;
546 int queue_index
= som_reloc_queue_find (p
, size
, queue
);
548 if (queue_index
!= -1)
550 /* Found this in a previous fixup. Undo the fixup we
551 just built and use R_PREV_FIXUP instead. We saved
552 a total of size - 1 bytes in the fixup stream. */
553 bfd_put_8 (abfd
, R_PREV_FIXUP
+ queue_index
, p
);
555 *subspace_reloc_sizep
+= 1;
556 som_reloc_queue_fix (queue
, queue_index
);
560 som_reloc_queue_insert (p
, size
, queue
);
561 *subspace_reloc_sizep
+= size
;
567 /* Emit the proper R_NO_RELOCATION fixups to map the next SKIP
568 bytes without any relocation. Update the size of the subspace
569 relocation stream via SUBSPACE_RELOC_SIZE_P; also return the
570 current pointer into the relocation stream. */
572 static unsigned char *
573 som_reloc_skip (abfd
, skip
, p
, subspace_reloc_sizep
, queue
)
577 unsigned int *subspace_reloc_sizep
;
578 struct reloc_queue
*queue
;
580 /* Use a 4 byte R_NO_RELOCATION entry with a maximal value
581 then R_PREV_FIXUPs to get the difference down to a
583 if (skip
>= 0x1000000)
586 bfd_put_8 (abfd
, R_NO_RELOCATION
+ 31, p
);
587 bfd_put_8 (abfd
, 0xff, p
+ 1);
588 bfd_put_16 (abfd
, 0xffff, p
+ 2);
589 p
= try_prev_fixup (abfd
, subspace_reloc_sizep
, p
, 4, queue
);
590 while (skip
>= 0x1000000)
593 bfd_put_8 (abfd
, R_PREV_FIXUP
, p
);
595 *subspace_reloc_sizep
+= 1;
596 /* No need to adjust queue here since we are repeating the
597 most recent fixup. */
601 /* The difference must be less than 0x1000000. Use one
602 more R_NO_RELOCATION entry to get to the right difference. */
603 if ((skip
& 3) == 0 && skip
<= 0xc0000 && skip
> 0)
605 /* Difference can be handled in a simple single-byte
606 R_NO_RELOCATION entry. */
609 bfd_put_8 (abfd
, R_NO_RELOCATION
+ (skip
>> 2) - 1, p
);
610 *subspace_reloc_sizep
+= 1;
613 /* Handle it with a two byte R_NO_RELOCATION entry. */
614 else if (skip
<= 0x1000)
616 bfd_put_8 (abfd
, R_NO_RELOCATION
+ 24 + (((skip
>> 2) - 1) >> 8), p
);
617 bfd_put_8 (abfd
, (skip
>> 2) - 1, p
+ 1);
618 p
= try_prev_fixup (abfd
, subspace_reloc_sizep
, p
, 2, queue
);
620 /* Handle it with a three byte R_NO_RELOCATION entry. */
623 bfd_put_8 (abfd
, R_NO_RELOCATION
+ 28 + (((skip
>> 2) - 1) >> 16), p
);
624 bfd_put_16 (abfd
, (skip
>> 2) - 1, p
+ 1);
625 p
= try_prev_fixup (abfd
, subspace_reloc_sizep
, p
, 3, queue
);
628 /* Ugh. Punt and use a 4 byte entry. */
631 bfd_put_8 (abfd
, R_NO_RELOCATION
+ 31, p
);
632 bfd_put_8 (abfd
, skip
>> 16, p
+ 1);
633 bfd_put_16 (abfd
, skip
, p
+ 2);
634 p
= try_prev_fixup (abfd
, subspace_reloc_sizep
, p
, 4, queue
);
639 /* Emit the proper R_DATA_OVERRIDE fixups to handle a nonzero addend
640 from a BFD relocation. Update the size of the subspace relocation
641 stream via SUBSPACE_RELOC_SIZE_P; also return the current pointer
642 into the relocation stream. */
644 static unsigned char *
645 som_reloc_addend (abfd
, addend
, p
, subspace_reloc_sizep
, queue
)
649 unsigned int *subspace_reloc_sizep
;
650 struct reloc_queue
*queue
;
652 if ((unsigned)(addend
) + 0x80 < 0x100)
654 bfd_put_8 (abfd
, R_DATA_OVERRIDE
+ 1, p
);
655 bfd_put_8 (abfd
, addend
, p
+ 1);
656 p
= try_prev_fixup (abfd
, subspace_reloc_sizep
, p
, 2, queue
);
658 else if ((unsigned) (addend
) + 0x8000 < 0x10000)
660 bfd_put_8 (abfd
, R_DATA_OVERRIDE
+ 2, p
);
661 bfd_put_16 (abfd
, addend
, p
+ 1);
662 p
= try_prev_fixup (abfd
, subspace_reloc_sizep
, p
, 3, queue
);
664 else if ((unsigned) (addend
) + 0x800000 < 0x1000000)
666 bfd_put_8 (abfd
, R_DATA_OVERRIDE
+ 3, p
);
667 bfd_put_8 (abfd
, addend
>> 16, p
+ 1);
668 bfd_put_16 (abfd
, addend
, p
+ 2);
669 p
= try_prev_fixup (abfd
, subspace_reloc_sizep
, p
, 4, queue
);
673 bfd_put_8 (abfd
, R_DATA_OVERRIDE
+ 4, p
);
674 bfd_put_32 (abfd
, addend
, p
+ 1);
675 p
= try_prev_fixup (abfd
, subspace_reloc_sizep
, p
, 5, queue
);
680 /* Handle a single function call relocation. */
682 static unsigned char *
683 som_reloc_call (abfd
, p
, subspace_reloc_sizep
, bfd_reloc
, sym_num
, queue
)
686 unsigned int *subspace_reloc_sizep
;
689 struct reloc_queue
*queue
;
691 int arg_bits
= HPPA_R_ARG_RELOC (bfd_reloc
->addend
);
692 int rtn_bits
= arg_bits
& 0x3;
695 /* You'll never believe all this is necessary to handle relocations
696 for function calls. Having to compute and pack the argument
697 relocation bits is the real nightmare.
699 If you're interested in how this works, just forget it. You really
700 do not want to know about this braindamage. */
702 /* First see if this can be done with a "simple" relocation. Simple
703 relocations have a symbol number < 0x100 and have simple encodings
704 of argument relocations. */
718 case 1 << 8 | 1 << 6:
719 case 1 << 8 | 1 << 6 | 1:
722 case 1 << 8 | 1 << 6 | 1 << 4:
723 case 1 << 8 | 1 << 6 | 1 << 4 | 1:
726 case 1 << 8 | 1 << 6 | 1 << 4 | 1 << 2:
727 case 1 << 8 | 1 << 6 | 1 << 4 | 1 << 2 | 1:
731 /* Not one of the easy encodings. This will have to be
732 handled by the more complex code below. */
738 /* Account for the return value too. */
742 /* Emit a 2 byte relocation. Then see if it can be handled
743 with a relocation which is already in the relocation queue. */
744 bfd_put_8 (abfd
, bfd_reloc
->howto
->type
+ type
, p
);
745 bfd_put_8 (abfd
, sym_num
, p
+ 1);
746 p
= try_prev_fixup (abfd
, subspace_reloc_sizep
, p
, 2, queue
);
751 /* If this could not be handled with a simple relocation, then do a hard
752 one. Hard relocations occur if the symbol number was too high or if
753 the encoding of argument relocation bits is too complex. */
756 /* Don't ask about these magic sequences. I took them straight
757 from gas-1.36 which took them from the a.out man page. */
759 if ((arg_bits
>> 6 & 0xf) == 0xe)
762 type
+= (3 * (arg_bits
>> 8 & 3) + (arg_bits
>> 6 & 3)) * 40;
763 if ((arg_bits
>> 2 & 0xf) == 0xe)
766 type
+= (3 * (arg_bits
>> 4 & 3) + (arg_bits
>> 2 & 3)) * 4;
768 /* Output the first two bytes of the relocation. These describe
769 the length of the relocation and encoding style. */
770 bfd_put_8 (abfd
, bfd_reloc
->howto
->type
+ 10
771 + 2 * (sym_num
>= 0x100) + (type
>= 0x100),
773 bfd_put_8 (abfd
, type
, p
+ 1);
775 /* Now output the symbol index and see if this bizarre relocation
776 just happened to be in the relocation queue. */
779 bfd_put_8 (abfd
, sym_num
, p
+ 2);
780 p
= try_prev_fixup (abfd
, subspace_reloc_sizep
, p
, 3, queue
);
784 bfd_put_8 (abfd
, sym_num
>> 16, p
+ 2);
785 bfd_put_16 (abfd
, sym_num
, p
+ 3);
786 p
= try_prev_fixup (abfd
, subspace_reloc_sizep
, p
, 5, queue
);
793 /* Return the logarithm of X, base 2, considering X unsigned.
794 Abort if X is not a power of two -- this should never happen (FIXME:
795 It will happen on corrupt executables. GDB should give an error, not
796 a coredump, in that case). */
804 /* Test for 0 or a power of 2. */
805 if (x
== 0 || x
!= (x
& -x
))
808 while ((x
>>= 1) != 0)
813 static bfd_reloc_status_type
814 hppa_som_reloc (abfd
, reloc_entry
, symbol_in
, data
, input_section
, output_bfd
)
816 arelent
*reloc_entry
;
819 asection
*input_section
;
824 reloc_entry
->address
+= input_section
->output_offset
;
830 /* Given a generic HPPA relocation type, the instruction format,
831 and a field selector, return an appropriate SOM reloation.
833 FIXME. Need to handle %RR, %LR and the like as field selectors.
834 These will need to generate multiple SOM relocations. */
837 hppa_som_gen_reloc_type (abfd
, base_type
, format
, field
)
843 int *final_type
, **final_types
;
845 final_types
= (int **) bfd_alloc_by_size_t (abfd
, sizeof (int *) * 2);
846 final_type
= (int *) bfd_alloc_by_size_t (abfd
, sizeof (int));
849 final_types
[0] = final_type
;
850 final_types
[1] = NULL
;
852 /* Default to the basic relocation passed in. */
853 *final_type
= base_type
;
858 /* PLABELs get their own relocation type. */
863 /* A PLABEL relocation that has a size of 32 bits must
864 be a R_DATA_PLABEL. All others are R_CODE_PLABELs. */
866 *final_type
= R_DATA_PLABEL
;
868 *final_type
= R_CODE_PLABEL
;
870 /* A relocatoin in the data space is always a full 32bits. */
871 else if (format
== 32)
872 *final_type
= R_DATA_ONE_SYMBOL
;
877 /* More PLABEL special cases. */
881 *final_type
= R_DATA_PLABEL
;
885 case R_HPPA_ABS_CALL
:
886 case R_HPPA_PCREL_CALL
:
888 case R_HPPA_COMPLEX_PCREL_CALL
:
889 case R_HPPA_COMPLEX_ABS_CALL
:
890 /* Right now we can default all these. */
896 /* Return the address of the correct entry in the PA SOM relocation
899 static reloc_howto_type
*
900 som_bfd_reloc_type_lookup (arch
, code
)
901 bfd_arch_info_type
*arch
;
902 bfd_reloc_code_real_type code
;
904 if ((int) code
< (int) R_NO_RELOCATION
+ 255)
906 BFD_ASSERT ((int) som_hppa_howto_table
[(int) code
].type
== (int) code
);
907 return &som_hppa_howto_table
[(int) code
];
910 return (reloc_howto_type
*) 0;
913 /* Perform some initialization for an object. Save results of this
914 initialization in the BFD. */
917 som_object_setup (abfd
, file_hdrp
, aux_hdrp
)
919 struct header
*file_hdrp
;
920 struct som_exec_auxhdr
*aux_hdrp
;
922 asection
*text
, *data
, *bss
;
924 /* som_mkobject will set bfd_error if som_mkobject fails. */
925 if (som_mkobject (abfd
) != true)
928 /* Make the standard .text, .data, and .bss sections so that tools
929 which assume those names work (size for example). They will have
930 no contents, but the sizes and such will reflect those of the
931 $CODE$, $DATA$, and $BSS$ subspaces respectively.
933 FIXME: Should check return status from bfd_make_section calls below. */
935 text
= bfd_make_section (abfd
, ".text");
936 data
= bfd_make_section (abfd
, ".data");
937 bss
= bfd_make_section (abfd
, ".bss");
939 text
->_raw_size
= aux_hdrp
->exec_tsize
;
940 data
->_raw_size
= aux_hdrp
->exec_dsize
;
941 bss
->_raw_size
= aux_hdrp
->exec_bsize
;
943 text
->flags
= (SEC_ALLOC
| SEC_LOAD
| SEC_HAS_CONTENTS
| SEC_CODE
);
944 data
->flags
= (SEC_ALLOC
| SEC_LOAD
| SEC_HAS_CONTENTS
);
945 bss
->flags
= (SEC_ALLOC
| SEC_IS_COMMON
);
947 /* The virtual memory addresses of the sections */
948 text
->vma
= aux_hdrp
->exec_tmem
;
949 data
->vma
= aux_hdrp
->exec_dmem
;
950 bss
->vma
= aux_hdrp
->exec_bfill
;
952 /* The file offsets of the sections */
953 text
->filepos
= aux_hdrp
->exec_tfile
;
954 data
->filepos
= aux_hdrp
->exec_dfile
;
956 /* The file offsets of the relocation info */
957 text
->rel_filepos
= 0;
958 data
->rel_filepos
= 0;
960 /* Set BFD flags based on what information is available in the SOM. */
961 abfd
->flags
= NO_FLAGS
;
962 if (! file_hdrp
->entry_offset
)
963 abfd
->flags
|= HAS_RELOC
;
965 abfd
->flags
|= EXEC_P
;
966 if (file_hdrp
->symbol_total
)
967 abfd
->flags
|= HAS_LINENO
| HAS_DEBUG
| HAS_SYMS
| HAS_LOCALS
;
969 bfd_get_start_address (abfd
) = aux_hdrp
->exec_entry
;
970 bfd_default_set_arch_mach (abfd
, bfd_arch_hppa
, 0);
971 bfd_get_symcount (abfd
) = file_hdrp
->symbol_total
;
973 /* Initialize the saved symbol table and string table to NULL.
974 Save important offsets and sizes from the SOM header into
976 obj_som_stringtab (abfd
) = (char *) NULL
;
977 obj_som_symtab (abfd
) = (som_symbol_type
*) NULL
;
978 obj_som_stringtab_size (abfd
) = file_hdrp
->symbol_strings_size
;
979 obj_som_sym_filepos (abfd
) = file_hdrp
->symbol_location
;
980 obj_som_str_filepos (abfd
) = file_hdrp
->symbol_strings_location
;
981 obj_som_reloc_filepos (abfd
) = file_hdrp
->fixup_request_location
;
986 /* Create a new BFD section for NAME. If NAME already exists, then create a
987 new unique name, with NAME as the prefix. This exists because SOM .o files
988 may have more than one $CODE$ subspace. */
991 make_unique_section (abfd
, name
, num
)
1000 sect
= bfd_make_section (abfd
, name
);
1003 sprintf (altname
, "%s-%d", name
, num
++);
1004 sect
= bfd_make_section (abfd
, altname
);
1007 newname
= bfd_alloc (abfd
, strlen (sect
->name
) + 1);
1008 strcpy (newname
, sect
->name
);
1010 sect
->name
= newname
;
1014 /* Convert all of the space and subspace info into BFD sections. Each space
1015 contains a number of subspaces, which in turn describe the mapping between
1016 regions of the exec file, and the address space that the program runs in.
1017 BFD sections which correspond to spaces will overlap the sections for the
1018 associated subspaces. */
1021 setup_sections (abfd
, file_hdr
)
1023 struct header
*file_hdr
;
1025 char *space_strings
;
1027 unsigned int total_subspaces
= 0;
1029 /* First, read in space names */
1031 space_strings
= alloca (file_hdr
->space_strings_size
);
1035 if (bfd_seek (abfd
, file_hdr
->space_strings_location
, SEEK_SET
) < 0)
1037 if (bfd_read (space_strings
, 1, file_hdr
->space_strings_size
, abfd
)
1038 != file_hdr
->space_strings_size
)
1041 /* Loop over all of the space dictionaries, building up sections */
1042 for (space_index
= 0; space_index
< file_hdr
->space_total
; space_index
++)
1044 struct space_dictionary_record space
;
1045 struct subspace_dictionary_record subspace
, save_subspace
;
1047 asection
*space_asect
;
1049 /* Read the space dictionary element */
1050 if (bfd_seek (abfd
, file_hdr
->space_location
1051 + space_index
* sizeof space
, SEEK_SET
) < 0)
1053 if (bfd_read (&space
, 1, sizeof space
, abfd
) != sizeof space
)
1056 /* Setup the space name string */
1057 space
.name
.n_name
= space
.name
.n_strx
+ space_strings
;
1059 /* Make a section out of it */
1060 space_asect
= make_unique_section (abfd
, space
.name
.n_name
, space_index
);
1064 /* Now, read in the first subspace for this space */
1065 if (bfd_seek (abfd
, file_hdr
->subspace_location
1066 + space
.subspace_index
* sizeof subspace
,
1069 if (bfd_read (&subspace
, 1, sizeof subspace
, abfd
) != sizeof subspace
)
1071 /* Seek back to the start of the subspaces for loop below */
1072 if (bfd_seek (abfd
, file_hdr
->subspace_location
1073 + space
.subspace_index
* sizeof subspace
,
1077 /* Setup the start address and file loc from the first subspace record */
1078 space_asect
->vma
= subspace
.subspace_start
;
1079 space_asect
->filepos
= subspace
.file_loc_init_value
;
1080 space_asect
->alignment_power
= log2 (subspace
.alignment
);
1082 /* Initialize save_subspace so we can reliably determine if this
1083 loop placed any useful values into it. */
1084 bzero (&save_subspace
, sizeof (struct subspace_dictionary_record
));
1086 /* Loop over the rest of the subspaces, building up more sections */
1087 for (subspace_index
= 0; subspace_index
< space
.subspace_quantity
;
1090 asection
*subspace_asect
;
1092 /* Read in the next subspace */
1093 if (bfd_read (&subspace
, 1, sizeof subspace
, abfd
)
1097 /* Setup the subspace name string */
1098 subspace
.name
.n_name
= subspace
.name
.n_strx
+ space_strings
;
1100 /* Make a section out of this subspace */
1101 subspace_asect
= make_unique_section (abfd
, subspace
.name
.n_name
,
1102 space
.subspace_index
+ subspace_index
);
1104 if (!subspace_asect
)
1107 /* Keep an easy mapping between subspaces and sections. */
1108 som_section_data (subspace_asect
)->subspace_index
1109 = total_subspaces
++;
1111 /* Set SEC_READONLY and SEC_CODE/SEC_DATA as specified
1112 by the access_control_bits in the subspace header. */
1113 switch (subspace
.access_control_bits
>> 4)
1115 /* Readonly data. */
1117 subspace_asect
->flags
|= SEC_DATA
| SEC_READONLY
;
1122 subspace_asect
->flags
|= SEC_DATA
;
1125 /* Readonly code and the gateways.
1126 Gateways have other attributes which do not map
1127 into anything BFD knows about. */
1133 subspace_asect
->flags
|= SEC_CODE
| SEC_READONLY
;
1136 /* dynamic (writable) code. */
1138 subspace_asect
->flags
|= SEC_CODE
;
1142 if (subspace
.dup_common
|| subspace
.is_common
)
1143 subspace_asect
->flags
|= SEC_IS_COMMON
;
1145 subspace_asect
->flags
|= SEC_HAS_CONTENTS
;
1146 if (subspace
.is_loadable
)
1147 subspace_asect
->flags
|= SEC_ALLOC
| SEC_LOAD
;
1148 if (subspace
.code_only
)
1149 subspace_asect
->flags
|= SEC_CODE
;
1151 /* This subspace has relocations.
1152 The fixup_request_quantity is a byte count for the number of
1153 entries in the relocation stream; it is not the actual number
1154 of relocations in the subspace. */
1155 if (subspace
.fixup_request_quantity
!= 0)
1157 subspace_asect
->flags
|= SEC_RELOC
;
1158 subspace_asect
->rel_filepos
= subspace
.fixup_request_index
;
1159 som_section_data (subspace_asect
)->reloc_size
1160 = subspace
.fixup_request_quantity
;
1161 /* We can not determine this yet. When we read in the
1162 relocation table the correct value will be filled in. */
1163 subspace_asect
->reloc_count
= -1;
1166 /* Update save_subspace if appropriate. */
1167 if (subspace
.file_loc_init_value
> save_subspace
.file_loc_init_value
)
1168 save_subspace
= subspace
;
1170 subspace_asect
->vma
= subspace
.subspace_start
;
1171 subspace_asect
->_cooked_size
= subspace
.subspace_length
;
1172 subspace_asect
->_raw_size
= subspace
.initialization_length
;
1173 subspace_asect
->alignment_power
= log2 (subspace
.alignment
);
1174 subspace_asect
->filepos
= subspace
.file_loc_init_value
;
1177 /* Yow! there is no subspace within the space which actually
1178 has initialized information in it; this should never happen
1179 as far as I know. */
1180 if (!save_subspace
.file_loc_init_value
)
1183 /* Setup the sizes for the space section based upon the info in the
1184 last subspace of the space. */
1185 space_asect
->_cooked_size
= save_subspace
.subspace_start
1186 - space_asect
->vma
+ save_subspace
.subspace_length
;
1187 space_asect
->_raw_size
= save_subspace
.file_loc_init_value
1188 - space_asect
->filepos
+ save_subspace
.initialization_length
;
1193 /* Read in a SOM object and make it into a BFD. */
1199 struct header file_hdr
;
1200 struct som_exec_auxhdr aux_hdr
;
1202 if (bfd_read ((PTR
) & file_hdr
, 1, FILE_HDR_SIZE
, abfd
) != FILE_HDR_SIZE
)
1204 bfd_error
= system_call_error
;
1208 if (!_PA_RISC_ID (file_hdr
.system_id
))
1210 bfd_error
= wrong_format
;
1214 switch (file_hdr
.a_magic
)
1231 bfd_error
= wrong_format
;
1235 if (file_hdr
.version_id
!= VERSION_ID
1236 && file_hdr
.version_id
!= NEW_VERSION_ID
)
1238 bfd_error
= wrong_format
;
1242 /* If the aux_header_size field in the file header is zero, then this
1243 object is an incomplete executable (a .o file). Do not try to read
1244 a non-existant auxiliary header. */
1245 bzero (&aux_hdr
, sizeof (struct som_exec_auxhdr
));
1246 if (file_hdr
.aux_header_size
!= 0)
1248 if (bfd_read ((PTR
) & aux_hdr
, 1, AUX_HDR_SIZE
, abfd
) != AUX_HDR_SIZE
)
1250 bfd_error
= wrong_format
;
1255 if (!setup_sections (abfd
, &file_hdr
))
1257 /* setup_sections does not bubble up a bfd error code. */
1258 bfd_error
= bad_value
;
1262 /* This appears to be a valid SOM object. Do some initialization. */
1263 return som_object_setup (abfd
, &file_hdr
, &aux_hdr
);
1266 /* Create a SOM object. */
1272 /* Allocate memory to hold backend information. */
1273 abfd
->tdata
.som_data
= (struct som_data_struct
*)
1274 bfd_zalloc (abfd
, sizeof (struct som_data_struct
));
1275 if (abfd
->tdata
.som_data
== NULL
)
1277 bfd_error
= no_memory
;
1280 obj_som_file_hdr (abfd
) = bfd_zalloc (abfd
, sizeof (struct header
));
1281 if (obj_som_file_hdr (abfd
) == NULL
)
1284 bfd_error
= no_memory
;
1290 /* Initialize some information in the file header. This routine makes
1291 not attempt at doing the right thing for a full executable; it
1292 is only meant to handle relocatable objects. */
1295 som_prep_headers (abfd
)
1298 struct header
*file_hdr
= obj_som_file_hdr (abfd
);
1301 /* FIXME. This should really be conditional based on whether or not
1302 PA1.1 instructions/registers have been used. */
1303 file_hdr
->system_id
= HP9000S800_ID
;
1305 /* FIXME. Only correct for building relocatable objects. */
1306 if (abfd
->flags
& EXEC_P
)
1309 file_hdr
->a_magic
= RELOC_MAGIC
;
1311 /* Only new format SOM is supported. */
1312 file_hdr
->version_id
= NEW_VERSION_ID
;
1314 /* These fields are optional, and embedding timestamps is not always
1315 a wise thing to do, it makes comparing objects during a multi-stage
1316 bootstrap difficult. */
1317 file_hdr
->file_time
.secs
= 0;
1318 file_hdr
->file_time
.nanosecs
= 0;
1320 if (abfd
->flags
& EXEC_P
)
1324 file_hdr
->entry_space
= 0;
1325 file_hdr
->entry_subspace
= 0;
1326 file_hdr
->entry_offset
= 0;
1329 /* FIXME. I do not know if we ever need to put anything other
1330 than zero in this field. */
1331 file_hdr
->presumed_dp
= 0;
1333 /* Now iterate over the sections translating information from
1334 BFD sections to SOM spaces/subspaces. */
1336 for (section
= abfd
->sections
; section
!= NULL
; section
= section
->next
)
1338 /* Ignore anything which has not been marked as a space or
1340 if (som_section_data (section
)->is_space
== 0
1342 && som_section_data (section
)->is_subspace
== 0)
1345 if (som_section_data (section
)->is_space
)
1347 /* Set space attributes. Note most attributes of SOM spaces
1348 are set based on the subspaces it contains. */
1349 som_section_data (section
)->space_dict
.loader_fix_index
= -1;
1350 som_section_data (section
)->space_dict
.init_pointer_index
= -1;
1354 /* Set subspace attributes. Basic stuff is done here, additional
1355 attributes are filled in later as more information becomes
1357 if (section
->flags
& SEC_IS_COMMON
)
1359 som_section_data (section
)->subspace_dict
.dup_common
= 1;
1360 som_section_data (section
)->subspace_dict
.is_common
= 1;
1363 if (section
->flags
& SEC_ALLOC
)
1364 som_section_data (section
)->subspace_dict
.is_loadable
= 1;
1366 if (section
->flags
& SEC_CODE
)
1367 som_section_data (section
)->subspace_dict
.code_only
= 1;
1369 som_section_data (section
)->subspace_dict
.subspace_start
=
1371 som_section_data (section
)->subspace_dict
.subspace_length
=
1372 bfd_section_size (abfd
, section
);
1373 som_section_data (section
)->subspace_dict
.initialization_length
=
1374 bfd_section_size (abfd
, section
);
1375 som_section_data (section
)->subspace_dict
.alignment
=
1376 1 << section
->alignment_power
;
1382 /* Count and return the number of spaces attached to the given BFD. */
1384 static unsigned long
1385 som_count_spaces (abfd
)
1391 for (section
= abfd
->sections
; section
!= NULL
; section
= section
->next
)
1392 count
+= som_section_data (section
)->is_space
;
1397 /* Count the number of subspaces attached to the given BFD. */
1399 static unsigned long
1400 som_count_subspaces (abfd
)
1406 for (section
= abfd
->sections
; section
!= NULL
; section
= section
->next
)
1407 count
+= som_section_data (section
)->is_subspace
;
1412 /* Return -1, 0, 1 indicating the relative ordering of sym1 and sym2.
1414 We desire symbols to be ordered starting with the symbol with the
1415 highest relocation count down to the symbol with the lowest relocation
1416 count. Doing so compacts the relocation stream. */
1419 compare_syms (sym1
, sym2
)
1424 unsigned int count1
, count2
;
1426 /* Get relocation count for each symbol. Note that the count
1427 is stored in the udata pointer for section symbols! */
1428 if ((*sym1
)->flags
& BSF_SECTION_SYM
)
1429 count1
= (int)(*sym1
)->udata
;
1431 count1
= (*som_symbol_data ((*sym1
)))->reloc_count
;
1433 if ((*sym2
)->flags
& BSF_SECTION_SYM
)
1434 count2
= (int)(*sym2
)->udata
;
1436 count2
= (*som_symbol_data ((*sym2
)))->reloc_count
;
1438 /* Return the appropriate value. */
1439 if (count1
< count2
)
1441 else if (count1
> count2
)
1446 /* Finally, scribble out the various headers to the disk. */
1449 som_write_headers (abfd
)
1452 int num_spaces
= som_count_spaces (abfd
);
1454 int subspace_index
= 0;
1458 /* Subspaces are written first so that we can set up information
1459 about them in their containing spaces as the subspace is written. */
1461 /* Seek to the start of the subspace dictionary records. */
1462 location
= obj_som_file_hdr (abfd
)->subspace_location
;
1463 bfd_seek (abfd
, location
, SEEK_SET
);
1464 section
= abfd
->sections
;
1465 /* Now for each loadable space write out records for its subspaces. */
1466 for (i
= 0; i
< num_spaces
; i
++)
1468 asection
*subsection
;
1471 while (som_section_data (section
)->is_space
== 0)
1472 section
= section
->next
;
1474 /* Now look for all its subspaces. */
1475 for (subsection
= abfd
->sections
;
1477 subsection
= subsection
->next
)
1480 /* Skip any section which does not correspond to a space
1481 or subspace. Or does not have SEC_ALLOC set (and therefore
1482 has no real bits on the disk). */
1483 if (som_section_data (subsection
)->is_subspace
== 0
1484 || som_section_data (subsection
)->containing_space
!= section
1485 || (subsection
->flags
& SEC_ALLOC
) == 0)
1488 /* If this is the first subspace for this space, then save
1489 the index of the subspace in its containing space. Also
1490 set "is_loadable" in the containing space. */
1492 if (som_section_data (section
)->space_dict
.subspace_quantity
== 0)
1494 som_section_data (section
)->space_dict
.is_loadable
= 1;
1495 som_section_data (section
)->space_dict
.subspace_index
1499 /* Increment the number of subspaces seen and the number of
1500 subspaces contained within the current space. */
1502 som_section_data (section
)->space_dict
.subspace_quantity
++;
1504 /* Mark the index of the current space within the subspace's
1505 dictionary record. */
1506 som_section_data (subsection
)->subspace_dict
.space_index
= i
;
1508 /* Dump the current subspace header. */
1509 if (bfd_write ((PTR
) &som_section_data (subsection
)->subspace_dict
,
1510 sizeof (struct subspace_dictionary_record
), 1, abfd
)
1511 != sizeof (struct subspace_dictionary_record
))
1513 bfd_error
= system_call_error
;
1517 /* Goto the next section. */
1518 section
= section
->next
;
1521 /* Now repeat the process for unloadable subspaces. */
1522 section
= abfd
->sections
;
1523 /* Now for each space write out records for its subspaces. */
1524 for (i
= 0; i
< num_spaces
; i
++)
1526 asection
*subsection
;
1529 while (som_section_data (section
)->is_space
== 0)
1530 section
= section
->next
;
1532 /* Now look for all its subspaces. */
1533 for (subsection
= abfd
->sections
;
1535 subsection
= subsection
->next
)
1538 /* Skip any section which does not correspond to a space or
1539 subspace, or which SEC_ALLOC set (and therefore handled
1540 in the loadable spaces/subspaces code above. */
1542 if (som_section_data (subsection
)->is_subspace
== 0
1543 || som_section_data (subsection
)->containing_space
!= section
1544 || (subsection
->flags
& SEC_ALLOC
) != 0)
1547 /* If this is the first subspace for this space, then save
1548 the index of the subspace in its containing space. Clear
1551 if (som_section_data (section
)->space_dict
.subspace_quantity
== 0)
1553 som_section_data (section
)->space_dict
.is_loadable
= 0;
1554 som_section_data (section
)->space_dict
.subspace_index
1558 /* Increment the number of subspaces seen and the number of
1559 subspaces contained within the current space. */
1560 som_section_data (section
)->space_dict
.subspace_quantity
++;
1563 /* Mark the index of the current space within the subspace's
1564 dictionary record. */
1565 som_section_data (subsection
)->subspace_dict
.space_index
= i
;
1567 /* Dump this subspace header. */
1568 if (bfd_write ((PTR
) &som_section_data (subsection
)->subspace_dict
,
1569 sizeof (struct subspace_dictionary_record
), 1, abfd
)
1570 != sizeof (struct subspace_dictionary_record
))
1572 bfd_error
= system_call_error
;
1576 /* Goto the next section. */
1577 section
= section
->next
;
1580 /* All the subspace dictiondary records are written, and all the
1581 fields are set up in the space dictionary records.
1583 Seek to the right location and start writing the space
1584 dictionary records. */
1585 location
= obj_som_file_hdr (abfd
)->space_location
;
1586 bfd_seek (abfd
, location
, SEEK_SET
);
1588 section
= abfd
->sections
;
1589 for (i
= 0; i
< num_spaces
; i
++)
1593 while (som_section_data (section
)->is_space
== 0)
1594 section
= section
->next
;
1596 /* Dump its header */
1597 if (bfd_write ((PTR
) &som_section_data (section
)->space_dict
,
1598 sizeof (struct space_dictionary_record
), 1, abfd
)
1599 != sizeof (struct space_dictionary_record
))
1601 bfd_error
= system_call_error
;
1605 /* Goto the next section. */
1606 section
= section
->next
;
1609 /* Only thing left to do is write out the file header. It is always
1610 at location zero. Seek there and write it. */
1611 bfd_seek (abfd
, (file_ptr
) 0, SEEK_SET
);
1612 if (bfd_write ((PTR
) obj_som_file_hdr (abfd
),
1613 sizeof (struct header
), 1, abfd
)
1614 != sizeof (struct header
))
1616 bfd_error
= system_call_error
;
1622 /* Compute and return the checksum for a SOM file header. */
1624 static unsigned long
1625 som_compute_checksum (abfd
)
1628 unsigned long checksum
, count
, i
;
1629 unsigned long *buffer
= (unsigned long *) obj_som_file_hdr (abfd
);
1632 count
= sizeof (struct header
) / sizeof (unsigned long);
1633 for (i
= 0; i
< count
; i
++)
1634 checksum
^= *(buffer
+ i
);
1639 /* Build and write, in one big chunk, the entire symbol table for
1643 som_build_and_write_symbol_table (abfd
)
1646 unsigned int num_syms
= bfd_get_symcount (abfd
);
1647 file_ptr symtab_location
= obj_som_file_hdr (abfd
)->symbol_location
;
1648 asymbol
**bfd_syms
= bfd_get_outsymbols (abfd
);
1649 struct symbol_dictionary_record
*som_symtab
;
1652 /* Compute total symbol table size and allocate a chunk of memory
1653 to hold the symbol table as we build it. */
1654 symtab_size
= num_syms
* sizeof (struct symbol_dictionary_record
);
1655 som_symtab
= (struct symbol_dictionary_record
*) alloca (symtab_size
);
1656 bzero (som_symtab
, symtab_size
);
1658 /* Walk over each symbol. */
1659 for (i
= 0; i
< num_syms
; i
++)
1661 /* This is really an index into the symbol strings table.
1662 By the time we get here, the index has already been
1663 computed and stored into the name field in the BFD symbol. */
1664 som_symtab
[i
].name
.n_strx
= (int) bfd_syms
[i
]->name
;
1666 /* The HP SOM linker requires detailed type information about
1667 all symbols (including undefined symbols!). Unfortunately,
1668 the type specified in an import/export statement does not
1669 always match what the linker wants. Severe braindamage. */
1671 /* Section symbols will not have a SOM symbol type assigned to
1672 them yet. Assign all section symbols type ST_DATA. */
1673 if (bfd_syms
[i
]->flags
& BSF_SECTION_SYM
)
1674 som_symtab
[i
].symbol_type
= ST_DATA
;
1677 /* Common symbols must have scope SS_UNSAT and type
1678 ST_STORAGE or the linker will choke. */
1679 if (bfd_syms
[i
]->section
== &bfd_com_section
)
1681 som_symtab
[i
].symbol_scope
= SS_UNSAT
;
1682 som_symtab
[i
].symbol_type
= ST_STORAGE
;
1685 /* It is possible to have a symbol without an associated
1686 type. This happens if the user imported the symbol
1687 without a type and the symbol was never defined
1688 locally. If BSF_FUNCTION is set for this symbol, then
1689 assign it type ST_CODE (the HP linker requires undefined
1690 external functions to have type ST_CODE rather than ST_ENTRY. */
1691 else if (((*som_symbol_data (bfd_syms
[i
]))->som_type
1692 == SYMBOL_TYPE_UNKNOWN
)
1693 && (bfd_syms
[i
]->section
== &bfd_und_section
)
1694 && (bfd_syms
[i
]->flags
& BSF_FUNCTION
))
1695 som_symtab
[i
].symbol_type
= ST_CODE
;
1697 /* Handle function symbols which were defined in this file.
1698 They should have type ST_ENTRY. Also retrieve the argument
1699 relocation bits from the SOM backend information. */
1700 else if (((*som_symbol_data (bfd_syms
[i
]))->som_type
1701 == SYMBOL_TYPE_ENTRY
)
1702 || (((*som_symbol_data (bfd_syms
[i
]))->som_type
1703 == SYMBOL_TYPE_CODE
)
1704 && (bfd_syms
[i
]->flags
& BSF_FUNCTION
))
1705 || (((*som_symbol_data (bfd_syms
[i
]))->som_type
1706 == SYMBOL_TYPE_UNKNOWN
)
1707 && (bfd_syms
[i
]->flags
& BSF_FUNCTION
)))
1709 som_symtab
[i
].symbol_type
= ST_ENTRY
;
1710 som_symtab
[i
].arg_reloc
1711 = (*som_symbol_data (bfd_syms
[i
]))->tc_data
.hppa_arg_reloc
;
1714 /* If the type is unknown at this point, it should be
1715 ST_DATA (functions were handled as special cases above). */
1716 else if ((*som_symbol_data (bfd_syms
[i
]))->som_type
1717 == SYMBOL_TYPE_UNKNOWN
)
1718 som_symtab
[i
].symbol_type
= ST_DATA
;
1720 /* From now on it's a very simple mapping. */
1721 else if ((*som_symbol_data (bfd_syms
[i
]))->som_type
1722 == SYMBOL_TYPE_ABSOLUTE
)
1723 som_symtab
[i
].symbol_type
= ST_ABSOLUTE
;
1724 else if ((*som_symbol_data (bfd_syms
[i
]))->som_type
1725 == SYMBOL_TYPE_CODE
)
1726 som_symtab
[i
].symbol_type
= ST_CODE
;
1727 else if ((*som_symbol_data (bfd_syms
[i
]))->som_type
1728 == SYMBOL_TYPE_DATA
)
1729 som_symtab
[i
].symbol_type
= ST_DATA
;
1730 else if ((*som_symbol_data (bfd_syms
[i
]))->som_type
1731 == SYMBOL_TYPE_MILLICODE
)
1732 som_symtab
[i
].symbol_type
= ST_MILLICODE
;
1733 else if ((*som_symbol_data (bfd_syms
[i
]))->som_type
1734 == SYMBOL_TYPE_PLABEL
)
1735 som_symtab
[i
].symbol_type
= ST_PLABEL
;
1736 else if ((*som_symbol_data (bfd_syms
[i
]))->som_type
1737 == SYMBOL_TYPE_PRI_PROG
)
1738 som_symtab
[i
].symbol_type
= ST_PRI_PROG
;
1739 else if ((*som_symbol_data (bfd_syms
[i
]))->som_type
1740 == SYMBOL_TYPE_SEC_PROG
)
1741 som_symtab
[i
].symbol_type
= ST_SEC_PROG
;
1744 /* Now handle the symbol's scope. Exported data which is not
1745 in the common section has scope SS_UNIVERSAL. Note scope
1746 of common symbols was handled earlier! */
1747 if (bfd_syms
[i
]->flags
& BSF_EXPORT
1748 && bfd_syms
[i
]->section
!= &bfd_com_section
)
1749 som_symtab
[i
].symbol_scope
= SS_UNIVERSAL
;
1750 /* Any undefined symbol at this point has a scope SS_UNSAT. */
1751 else if (bfd_syms
[i
]->section
== &bfd_und_section
)
1752 som_symtab
[i
].symbol_scope
= SS_UNSAT
;
1753 /* Anything else which is not in the common section has scope
1755 else if (bfd_syms
[i
]->section
!= &bfd_com_section
)
1756 som_symtab
[i
].symbol_scope
= SS_LOCAL
;
1758 /* Now set the symbol_info field. It has no real meaning
1759 for undefined or common symbols, but the HP linker will
1760 choke if it's not set to some "reasonable" value. We
1761 use zero as a reasonable value. */
1762 if (bfd_syms
[i
]->section
== &bfd_com_section
1763 || bfd_syms
[i
]->section
== &bfd_und_section
)
1764 som_symtab
[i
].symbol_info
= 0;
1765 /* For all other symbols, the symbol_info field contains the
1766 subspace index of the space this symbol is contained in. */
1768 som_symtab
[i
].symbol_info
1769 = som_section_data (bfd_syms
[i
]->section
)->subspace_index
;
1771 /* Set the symbol's value. */
1772 som_symtab
[i
].symbol_value
1773 = bfd_syms
[i
]->value
+ bfd_syms
[i
]->section
->vma
;
1776 /* Egad. Everything is ready, seek to the right location and
1777 scribble out the symbol table. */
1778 if (bfd_seek (abfd
, symtab_location
, SEEK_SET
) != 0)
1780 bfd_error
= system_call_error
;
1784 if (bfd_write ((PTR
) som_symtab
, symtab_size
, 1, abfd
) != symtab_size
)
1786 bfd_error
= system_call_error
;
1792 /* Write an object in SOM format. */
1795 som_write_object_contents (abfd
)
1798 if (abfd
->output_has_begun
== false)
1800 /* Set up fixed parts of the file, space, and subspace headers.
1801 Notify the world that output has begun. */
1802 som_prep_headers (abfd
);
1803 abfd
->output_has_begun
= true;
1805 /* Not in Cygnus sources yet. */
1806 /* Start writing the object file. This include all the string
1807 tables, fixup streams, and other portions of the object file. */
1808 som_begin_writing (abfd
);
1812 /* Now that the symbol table information is complete, build and
1813 write the symbol table. */
1814 if (som_build_and_write_symbol_table (abfd
) == false)
1817 /* Compute the checksum for the file header just before writing
1818 the header to disk. */
1819 obj_som_file_hdr (abfd
)->checksum
= som_compute_checksum (abfd
);
1820 return (som_write_headers (abfd
));
1824 /* Read and save the string table associated with the given BFD. */
1827 som_slurp_string_table (abfd
)
1832 /* Use the saved version if its available. */
1833 if (obj_som_stringtab (abfd
) != NULL
)
1836 /* Allocate and read in the string table. */
1837 stringtab
= bfd_zalloc (abfd
, obj_som_stringtab_size (abfd
));
1838 if (stringtab
== NULL
)
1840 bfd_error
= no_memory
;
1844 if (bfd_seek (abfd
, obj_som_str_filepos (abfd
), SEEK_SET
) < 0)
1846 bfd_error
= system_call_error
;
1850 if (bfd_read (stringtab
, obj_som_stringtab_size (abfd
), 1, abfd
)
1851 != obj_som_stringtab_size (abfd
))
1853 bfd_error
= system_call_error
;
1857 /* Save our results and return success. */
1858 obj_som_stringtab (abfd
) = stringtab
;
1862 /* Return the amount of data (in bytes) required to hold the symbol
1863 table for this object. */
1866 som_get_symtab_upper_bound (abfd
)
1869 if (!som_slurp_symbol_table (abfd
))
1872 return (bfd_get_symcount (abfd
) + 1) * (sizeof (som_symbol_type
*));
1875 /* Convert from a SOM subspace index to a BFD section. */
1878 som_section_from_subspace_index (abfd
, index
)
1884 for (section
= abfd
->sections
; section
!= NULL
; section
= section
->next
)
1885 if (som_section_data (section
)->subspace_index
== index
)
1888 /* Should never happen. */
1892 /* Read and save the symbol table associated with the given BFD. */
1895 som_slurp_symbol_table (abfd
)
1898 int symbol_count
= bfd_get_symcount (abfd
);
1899 int symsize
= sizeof (struct symbol_dictionary_record
);
1901 struct symbol_dictionary_record
*buf
, *bufp
, *endbufp
;
1902 som_symbol_type
*sym
, *symbase
;
1904 /* Return saved value if it exists. */
1905 if (obj_som_symtab (abfd
) != NULL
)
1908 /* Sanity checking. Make sure there are some symbols and that
1909 we can read the string table too. */
1910 if (symbol_count
== 0)
1912 bfd_error
= no_symbols
;
1916 if (!som_slurp_string_table (abfd
))
1919 stringtab
= obj_som_stringtab (abfd
);
1921 symbase
= (som_symbol_type
*)
1922 bfd_zalloc (abfd
, symbol_count
* sizeof (som_symbol_type
));
1923 if (symbase
== NULL
)
1925 bfd_error
= no_memory
;
1929 /* Read in the external SOM representation. */
1930 buf
= alloca (symbol_count
* symsize
);
1933 bfd_error
= no_memory
;
1936 if (bfd_seek (abfd
, obj_som_sym_filepos (abfd
), SEEK_SET
) < 0)
1938 bfd_error
= system_call_error
;
1941 if (bfd_read (buf
, symbol_count
* symsize
, 1, abfd
)
1942 != symbol_count
* symsize
)
1944 bfd_error
= no_symbols
;
1948 /* Iterate over all the symbols and internalize them. */
1949 endbufp
= buf
+ symbol_count
;
1950 for (bufp
= buf
, sym
= symbase
; bufp
< endbufp
; ++bufp
)
1953 /* I don't think we care about these. */
1954 if (bufp
->symbol_type
== ST_SYM_EXT
1955 || bufp
->symbol_type
== ST_ARG_EXT
)
1958 /* Some reasonable defaults. */
1959 sym
->symbol
.the_bfd
= abfd
;
1960 sym
->symbol
.name
= bufp
->name
.n_strx
+ stringtab
;
1961 sym
->symbol
.value
= bufp
->symbol_value
;
1962 sym
->symbol
.section
= 0;
1963 sym
->symbol
.flags
= 0;
1965 switch (bufp
->symbol_type
)
1968 sym
->symbol
.flags
|= BSF_FUNCTION
;
1969 sym
->symbol
.value
&= ~0x3;
1977 sym
->symbol
.value
&= ~0x3;
1983 /* Handle scoping and section information. */
1984 switch (bufp
->symbol_scope
)
1986 /* symbol_info field is undefined for SS_EXTERNAL and SS_UNSAT symbols,
1987 so the section associated with this symbol can't be known. */
1990 sym
->symbol
.flags
|= (BSF_EXPORT
| BSF_GLOBAL
);
1994 sym
->symbol
.flags
|= (BSF_EXPORT
| BSF_GLOBAL
);
1996 = som_section_from_subspace_index (abfd
, bufp
->symbol_info
);
1997 sym
->symbol
.value
-= sym
->symbol
.section
->vma
;
2001 /* SS_GLOBAL and SS_LOCAL are two names for the same thing.
2002 Sound dumb? It is. */
2006 sym
->symbol
.flags
|= BSF_LOCAL
;
2008 = som_section_from_subspace_index (abfd
, bufp
->symbol_info
);
2009 sym
->symbol
.value
-= sym
->symbol
.section
->vma
;
2013 /* Mark symbols left around by the debugger. */
2014 if (strlen (sym
->symbol
.name
) >= 3
2015 && sym
->symbol
.name
[0] == 'L'
2016 && (sym
->symbol
.name
[2] == '$' || sym
->symbol
.name
[3] == '$'))
2017 sym
->symbol
.flags
|= BSF_DEBUGGING
;
2019 /* Note increment at bottom of loop, since we skip some symbols
2020 we can not include it as part of the for statement. */
2024 /* Save our results and return success. */
2025 obj_som_symtab (abfd
) = symbase
;
2029 /* Canonicalize a SOM symbol table. Return the number of entries
2030 in the symbol table. */
2033 som_get_symtab (abfd
, location
)
2038 som_symbol_type
*symbase
;
2040 if (!som_slurp_symbol_table (abfd
))
2043 i
= bfd_get_symcount (abfd
);
2044 symbase
= obj_som_symtab (abfd
);
2046 for (; i
> 0; i
--, location
++, symbase
++)
2047 *location
= &symbase
->symbol
;
2049 /* Final null pointer. */
2051 return (bfd_get_symcount (abfd
));
2054 /* Make a SOM symbol. There is nothing special to do here. */
2057 som_make_empty_symbol (abfd
)
2060 som_symbol_type
*new =
2061 (som_symbol_type
*) bfd_zalloc (abfd
, sizeof (som_symbol_type
));
2064 bfd_error
= no_memory
;
2067 new->symbol
.the_bfd
= abfd
;
2069 return &new->symbol
;
2072 /* Print symbol information. */
2075 som_print_symbol (ignore_abfd
, afile
, symbol
, how
)
2079 bfd_print_symbol_type how
;
2081 FILE *file
= (FILE *) afile
;
2084 case bfd_print_symbol_name
:
2085 fprintf (file
, "%s", symbol
->name
);
2087 case bfd_print_symbol_more
:
2088 fprintf (file
, "som ");
2089 fprintf_vma (file
, symbol
->value
);
2090 fprintf (file
, " %lx", (long) symbol
->flags
);
2092 case bfd_print_symbol_all
:
2094 CONST
char *section_name
;
2095 section_name
= symbol
->section
? symbol
->section
->name
: "(*none*)";
2096 bfd_print_symbol_vandf ((PTR
) file
, symbol
);
2097 fprintf (file
, " %s\t%s", section_name
, symbol
->name
);
2104 som_get_reloc_upper_bound (abfd
, asect
)
2108 fprintf (stderr
, "som_get_reloc_upper_bound unimplemented\n");
2115 som_canonicalize_reloc (abfd
, section
, relptr
, symbols
)
2121 fprintf (stderr
, "som_canonicalize_reloc unimplemented\n");
2126 extern bfd_target som_vec
;
2128 /* A hook to set up object file dependent section information. */
2131 som_new_section_hook (abfd
, newsect
)
2135 newsect
->used_by_bfd
= (struct som_section_data_struct
*)
2136 bfd_zalloc (abfd
, sizeof (struct som_section_data_struct
));
2137 newsect
->alignment_power
= 3;
2139 /* Initialize the subspace_index field to -1 so that it does
2140 not match a subspace with an index of 0. */
2141 som_section_data (newsect
)->subspace_index
= -1;
2143 /* We allow more than three sections internally */
2147 /* Set backend info for sections which can not be described
2148 in the BFD data structures. */
2151 bfd_som_set_section_attributes (section
, defined
, private, sort_key
, spnum
)
2155 unsigned char sort_key
;
2158 struct space_dictionary_record
*space_dict
;
2160 som_section_data (section
)->is_space
= 1;
2161 space_dict
= &som_section_data (section
)->space_dict
;
2162 space_dict
->is_defined
= defined
;
2163 space_dict
->is_private
= private;
2164 space_dict
->sort_key
= sort_key
;
2165 space_dict
->space_number
= spnum
;
2168 /* Set backend info for subsections which can not be described
2169 in the BFD data structures. */
2172 bfd_som_set_subsection_attributes (section
, container
, access
,
2175 asection
*container
;
2177 unsigned char sort_key
;
2180 struct subspace_dictionary_record
*subspace_dict
;
2181 som_section_data (section
)->is_subspace
= 1;
2182 subspace_dict
= &som_section_data (section
)->subspace_dict
;
2183 subspace_dict
->access_control_bits
= access
;
2184 subspace_dict
->sort_key
= sort_key
;
2185 subspace_dict
->quadrant
= quadrant
;
2186 som_section_data (section
)->containing_space
= container
;
2189 /* Set the full SOM symbol type. SOM needs far more symbol information
2190 than any other object file format I'm aware of. It is mandatory
2191 to be able to know if a symbol is an entry point, millicode, data,
2192 code, absolute, storage request, or procedure label. If you get
2193 the symbol type wrong your program will not link. */
2196 bfd_som_set_symbol_type (symbol
, type
)
2200 (*som_symbol_data (symbol
))->som_type
= type
;
2203 /* Attach 64bits of unwind information to a symbol (which hopefully
2204 is a function of some kind!). It would be better to keep this
2205 in the R_ENTRY relocation, but there is not enough space. */
2208 bfd_som_attach_unwind_info (symbol
, unwind_desc
)
2212 (*som_symbol_data (symbol
))->unwind
= unwind_desc
;
2216 som_set_section_contents (abfd
, section
, location
, offset
, count
)
2221 bfd_size_type count
;
2223 if (abfd
->output_has_begun
== false)
2225 /* Set up fixed parts of the file, space, and subspace headers.
2226 Notify the world that output has begun. */
2227 som_prep_headers (abfd
);
2228 abfd
->output_has_begun
= true;
2230 /* Not in Cygnus sources yet. */
2231 /* Start writing the object file. This include all the string
2232 tables, fixup streams, and other portions of the object file. */
2233 som_begin_writing (abfd
);
2237 /* Only write subspaces which have "real" contents (eg. the contents
2238 are not generated at run time by the OS). */
2239 if (som_section_data (section
)->is_subspace
!= 1
2240 || ((section
->flags
& (SEC_LOAD
| SEC_DEBUGGING
)) == 0))
2243 /* Seek to the proper offset within the object file and write the
2245 offset
+= som_section_data (section
)->subspace_dict
.file_loc_init_value
;
2246 if (bfd_seek (abfd
, offset
, SEEK_SET
) == -1)
2248 bfd_error
= system_call_error
;
2252 if (bfd_write ((PTR
) location
, 1, count
, abfd
) != count
)
2254 bfd_error
= system_call_error
;
2261 som_set_arch_mach (abfd
, arch
, machine
)
2263 enum bfd_architecture arch
;
2264 unsigned long machine
;
2266 /* Allow any architecture to be supported by the SOM backend */
2267 return bfd_default_set_arch_mach (abfd
, arch
, machine
);
2271 som_find_nearest_line (abfd
, section
, symbols
, offset
, filename_ptr
,
2272 functionname_ptr
, line_ptr
)
2277 CONST
char **filename_ptr
;
2278 CONST
char **functionname_ptr
;
2279 unsigned int *line_ptr
;
2281 fprintf (stderr
, "som_find_nearest_line unimplemented\n");
2288 som_sizeof_headers (abfd
, reloc
)
2292 fprintf (stderr
, "som_sizeof_headers unimplemented\n");
2298 /* Return information about SOM symbol SYMBOL in RET. */
2301 som_get_symbol_info (ignore_abfd
, symbol
, ret
)
2302 bfd
*ignore_abfd
; /* Ignored. */
2306 bfd_symbol_info (symbol
, ret
);
2309 /* End of miscellaneous support functions. */
2311 #define som_bfd_debug_info_start bfd_void
2312 #define som_bfd_debug_info_end bfd_void
2313 #define som_bfd_debug_info_accumulate (PROTO(void,(*),(bfd*, struct sec *))) bfd_void
2315 #define som_openr_next_archived_file bfd_generic_openr_next_archived_file
2316 #define som_generic_stat_arch_elt bfd_generic_stat_arch_elt
2317 #define som_slurp_armap bfd_false
2318 #define som_slurp_extended_name_table _bfd_slurp_extended_name_table
2319 #define som_truncate_arname (void (*)())bfd_nullvoidptr
2320 #define som_write_armap 0
2322 #define som_get_lineno (struct lineno_cache_entry *(*)())bfd_nullvoidptr
2323 #define som_close_and_cleanup bfd_generic_close_and_cleanup
2324 #define som_get_section_contents bfd_generic_get_section_contents
2326 #define som_bfd_get_relocated_section_contents \
2327 bfd_generic_get_relocated_section_contents
2328 #define som_bfd_relax_section bfd_generic_relax_section
2329 #define som_bfd_seclet_link bfd_generic_seclet_link
2330 #define som_bfd_reloc_type_lookup \
2331 ((CONST struct reloc_howto_struct *(*) PARAMS ((bfd *, bfd_reloc_code_real_type))) bfd_nullvoidptr)
2332 #define som_bfd_make_debug_symbol \
2333 ((asymbol *(*) PARAMS ((bfd *, void *, unsigned long))) bfd_nullvoidptr)
2335 /* Core file support is in the hpux-core backend. */
2336 #define som_core_file_failing_command _bfd_dummy_core_file_failing_command
2337 #define som_core_file_failing_signal _bfd_dummy_core_file_failing_signal
2338 #define som_core_file_matches_executable_p _bfd_dummy_core_file_matches_executable_p
2340 bfd_target som_vec
=
2343 bfd_target_som_flavour
,
2344 true, /* target byte order */
2345 true, /* target headers byte order */
2346 (HAS_RELOC
| EXEC_P
| /* object flags */
2347 HAS_LINENO
| HAS_DEBUG
|
2348 HAS_SYMS
| HAS_LOCALS
| WP_TEXT
| D_PAGED
),
2349 (SEC_CODE
| SEC_DATA
| SEC_ROM
| SEC_HAS_CONTENTS
2350 | SEC_ALLOC
| SEC_LOAD
| SEC_RELOC
), /* section flags */
2352 /* leading_symbol_char: is the first char of a user symbol
2353 predictable, and if so what is it */
2355 ' ', /* ar_pad_char */
2356 16, /* ar_max_namelen */
2357 3, /* minimum alignment */
2358 bfd_getb64
, bfd_getb_signed_64
, bfd_putb64
,
2359 bfd_getb32
, bfd_getb_signed_32
, bfd_putb32
,
2360 bfd_getb16
, bfd_getb_signed_16
, bfd_putb16
, /* data */
2361 bfd_getb64
, bfd_getb_signed_64
, bfd_putb64
,
2362 bfd_getb32
, bfd_getb_signed_32
, bfd_putb32
,
2363 bfd_getb16
, bfd_getb_signed_16
, bfd_putb16
, /* hdrs */
2365 som_object_p
, /* bfd_check_format */
2366 bfd_generic_archive_p
,
2372 _bfd_generic_mkarchive
,
2377 som_write_object_contents
,
2378 _bfd_write_archive_contents
,
2386 #endif /* HOST_HPPAHPUX || HOST_HPPABSD */