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 long som_count_spaces PARAMS ((bfd *));
153 static unsigned long som_count_subspaces PARAMS ((bfd *));
154 static int compare_syms PARAMS ((asymbol **, asymbol **));
155 static unsigned long som_compute_checksum PARAMS ((bfd *));
156 static boolean som_prep_headers PARAMS ((bfd *));
158 static reloc_howto_type som_hppa_howto_table[] =
160 {R_NO_RELOCATION, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_NO_RELOCATION"},
161 {R_NO_RELOCATION, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_NO_RELOCATION"},
162 {R_NO_RELOCATION, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_NO_RELOCATION"},
163 {R_NO_RELOCATION, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_NO_RELOCATION"},
164 {R_NO_RELOCATION, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_NO_RELOCATION"},
165 {R_NO_RELOCATION, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_NO_RELOCATION"},
166 {R_NO_RELOCATION, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_NO_RELOCATION"},
167 {R_NO_RELOCATION, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_NO_RELOCATION"},
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_ZEROES, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_ZEROES"},
193 {R_ZEROES, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_ZEROES"},
194 {R_UNINIT, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_UNINIT"},
195 {R_UNINIT, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_UNINIT"},
196 {R_RELOCATION, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RELOCATION"},
197 {R_DATA_ONE_SYMBOL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DATA_ONE_SYMBOL"},
198 {R_DATA_ONE_SYMBOL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DATA_ONE_SYMBOL"},
199 {R_DATA_PLABEL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DATA_PLABEL"},
200 {R_DATA_PLABEL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DATA_PLABEL"},
201 {R_SPACE_REF, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_SPACE_REF"},
202 {R_REPEATED_INIT, 0, 0, 32, false, 0, 0, hppa_som_reloc, "REPEATED_INIT"},
203 {R_REPEATED_INIT, 0, 0, 32, false, 0, 0, hppa_som_reloc, "REPEATED_INIT"},
204 {R_REPEATED_INIT, 0, 0, 32, false, 0, 0, hppa_som_reloc, "REPEATED_INIT"},
205 {R_REPEATED_INIT, 0, 0, 32, false, 0, 0, hppa_som_reloc, "REPEATED_INIT"},
206 {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"},
207 {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"},
208 {R_PCREL_CALL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_PCREL_CALL"},
209 {R_PCREL_CALL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_PCREL_CALL"},
210 {R_PCREL_CALL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_PCREL_CALL"},
211 {R_PCREL_CALL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_PCREL_CALL"},
212 {R_PCREL_CALL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_PCREL_CALL"},
213 {R_PCREL_CALL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_PCREL_CALL"},
214 {R_PCREL_CALL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_PCREL_CALL"},
215 {R_PCREL_CALL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_PCREL_CALL"},
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_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"},
223 {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"},
224 {R_ABS_CALL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_ABS_CALL"},
225 {R_ABS_CALL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_ABS_CALL"},
226 {R_ABS_CALL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_ABS_CALL"},
227 {R_ABS_CALL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_ABS_CALL"},
228 {R_ABS_CALL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_ABS_CALL"},
229 {R_ABS_CALL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_ABS_CALL"},
230 {R_ABS_CALL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_ABS_CALL"},
231 {R_ABS_CALL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_ABS_CALL"},
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_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"},
239 {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"},
240 {R_DP_RELATIVE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DP_RELATIVE"},
241 {R_DP_RELATIVE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DP_RELATIVE"},
242 {R_DP_RELATIVE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DP_RELATIVE"},
243 {R_DP_RELATIVE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DP_RELATIVE"},
244 {R_DP_RELATIVE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DP_RELATIVE"},
245 {R_DP_RELATIVE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DP_RELATIVE"},
246 {R_DP_RELATIVE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DP_RELATIVE"},
247 {R_DP_RELATIVE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DP_RELATIVE"},
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_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"},
276 {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"},
277 {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"},
278 {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"},
279 {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"},
280 {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"},
281 {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"},
282 {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"},
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_CODE_ONE_SYMBOL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_CODE_ONE_SYMBOL"},
289 {R_CODE_ONE_SYMBOL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_CODE_ONE_SYMBOL"},
290 {R_CODE_ONE_SYMBOL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_CODE_ONE_SYMBOL"},
291 {R_CODE_ONE_SYMBOL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_CODE_ONE_SYMBOL"},
292 {R_CODE_ONE_SYMBOL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_CODE_ONE_SYMBOL"},
293 {R_CODE_ONE_SYMBOL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_CODE_ONE_SYMBOL"},
294 {R_CODE_ONE_SYMBOL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_CODE_ONE_SYMBOL"},
295 {R_CODE_ONE_SYMBOL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_CODE_ONE_SYMBOL"},
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_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"},
324 {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"},
325 {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"},
326 {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"},
327 {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"},
328 {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"},
329 {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"},
330 {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"},
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_MILLI_REL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_MILLI_REL"},
335 {R_MILLI_REL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_MILLI_REL"},
336 {R_CODE_PLABEL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_CODE_PLABEL"},
337 {R_CODE_PLABEL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_CODE_PLABEL"},
338 {R_BREAKPOINT, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_BREAKPOINT"},
339 {R_ENTRY, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_ENTRY"},
340 {R_ENTRY, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_ENTRY"},
341 {R_ALT_ENTRY, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_ALT_ENTRY"},
342 {R_EXIT, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_EXIT"},
343 {R_BEGIN_TRY, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_BEGIN_TRY"},
344 {R_END_TRY, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_END_TRY"},
345 {R_END_TRY, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_END_TRY"},
346 {R_BEGIN_BRTAB, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_BEGIN_BRTAB"},
347 {R_END_BRTAB, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_END_BRTAB"},
348 {R_STATEMENT, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_STATEMENT"},
349 {R_STATEMENT, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_STATEMENT"},
350 {R_STATEMENT, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_STATEMENT"},
351 {R_DATA_EXPR, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DATA_EXPR"},
352 {R_CODE_EXPR, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_CODE_EXPR"},
353 {R_FSEL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_FSEL"},
354 {R_LSEL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_LSEL"},
355 {R_RSEL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RSEL"},
356 {R_N_MODE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_N_MODE"},
357 {R_S_MODE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_S_MODE"},
358 {R_D_MODE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_D_MODE"},
359 {R_R_MODE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_R_MODE"},
360 {R_DATA_OVERRIDE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DATA_OVERRIDE"},
361 {R_DATA_OVERRIDE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DATA_OVERRIDE"},
362 {R_DATA_OVERRIDE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DATA_OVERRIDE"},
363 {R_DATA_OVERRIDE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DATA_OVERRIDE"},
364 {R_DATA_OVERRIDE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DATA_OVERRIDE"},
365 {R_DATA_OVERRIDE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DATA_OVERRIDE"},
366 {R_TRANSLATED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_TRANSLATED"},
367 {R_STATEMENT, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_STATEMENT"},
368 {R_STATEMENT, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_STATEMENT"},
369 {R_STATEMENT, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_STATEMENT"},
370 {R_COMP1, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_COMP1"},
371 {R_COMP2, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_COMP2"},
372 {R_COMP3, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_COMP3"},
373 {R_PREV_FIXUP, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_PREV_FIXUP"},
374 {R_PREV_FIXUP, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_PREV_FIXUP"},
375 {R_PREV_FIXUP, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_PREV_FIXUP"},
376 {R_PREV_FIXUP, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_PREV_FIXUP"},
377 {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"},
378 {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"},
379 {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"},
380 {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"},
381 {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"},
382 {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"},
383 {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"},
384 {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"},
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"}};
420 /* Initialize the SOM relocation queue. By definition the queue holds
421 the last four multibyte fixups. */
424 som_initialize_reloc_queue (queue)
425 struct reloc_queue *queue;
427 queue[0].reloc = NULL;
429 queue[1].reloc = NULL;
431 queue[2].reloc = NULL;
433 queue[3].reloc = NULL;
437 /* Insert a new relocation into the relocation queue. */
440 som_reloc_queue_insert (p, size, queue)
443 struct reloc_queue *queue;
445 queue[3].reloc = queue[2].reloc;
446 queue[3].size = queue[2].size;
447 queue[2].reloc = queue[1].reloc;
448 queue[2].size = queue[1].size;
449 queue[1].reloc = queue[0].reloc;
450 queue[1].size = queue[0].size;
452 queue[0].size = size;
455 /* When an entry in the relocation queue is reused, the entry moves
456 to the front of the queue. */
459 som_reloc_queue_fix (queue, index)
460 struct reloc_queue *queue;
468 unsigned char *tmp1 = queue[0].reloc;
469 unsigned int tmp2 = queue[0].size;
470 queue[0].reloc = queue[1].reloc;
471 queue[0].size = queue[1].size;
472 queue[1].reloc = tmp1;
473 queue[1].size = tmp2;
479 unsigned char *tmp1 = queue[0].reloc;
480 unsigned int tmp2 = queue[0].size;
481 queue[0].reloc = queue[2].reloc;
482 queue[0].size = queue[2].size;
483 queue[2].reloc = queue[1].reloc;
484 queue[2].size = queue[1].size;
485 queue[1].reloc = tmp1;
486 queue[1].size = tmp2;
492 unsigned char *tmp1 = queue[0].reloc;
493 unsigned int tmp2 = queue[0].size;
494 queue[0].reloc = queue[3].reloc;
495 queue[0].size = queue[3].size;
496 queue[3].reloc = queue[2].reloc;
497 queue[3].size = queue[2].size;
498 queue[2].reloc = queue[1].reloc;
499 queue[2].size = queue[1].size;
500 queue[1].reloc = tmp1;
501 queue[1].size = tmp2;
507 /* Search for a particular relocation in the relocation queue. */
510 som_reloc_queue_find (p, size, queue)
513 struct reloc_queue *queue;
515 if (!bcmp (p, queue[0].reloc, size)
516 && size == queue[0].size)
518 if (!bcmp (p, queue[1].reloc, size)
519 && size == queue[1].size)
521 if (!bcmp (p, queue[2].reloc, size)
522 && size == queue[2].size)
524 if (!bcmp (p, queue[3].reloc, size)
525 && size == queue[3].size)
530 static unsigned char *
531 try_prev_fixup (abfd, subspace_reloc_sizep, p, size, queue)
533 int *subspace_reloc_sizep;
536 struct reloc_queue *queue;
538 int queue_index = som_reloc_queue_find (p, size, queue);
540 if (queue_index != -1)
542 /* Found this in a previous fixup. Undo the fixup we
543 just built and use R_PREV_FIXUP instead. We saved
544 a total of size - 1 bytes in the fixup stream. */
545 bfd_put_8 (abfd, R_PREV_FIXUP + queue_index, p);
547 *subspace_reloc_sizep += 1;
548 som_reloc_queue_fix (queue, queue_index);
552 som_reloc_queue_insert (p, size, queue);
553 *subspace_reloc_sizep += size;
559 /* Emit the proper R_NO_RELOCATION fixups to map the next SKIP
560 bytes without any relocation. Update the size of the subspace
561 relocation stream via SUBSPACE_RELOC_SIZE_P; also return the
562 current pointer into the relocation stream. */
564 static unsigned char *
565 som_reloc_skip (abfd, skip, p, subspace_reloc_sizep, queue)
569 unsigned int *subspace_reloc_sizep;
570 struct reloc_queue *queue;
572 /* Use a 4 byte R_NO_RELOCATION entry with a maximal value
573 then R_PREV_FIXUPs to get the difference down to a
575 if (skip >= 0x1000000)
578 bfd_put_8 (abfd, R_NO_RELOCATION + 31, p);
579 bfd_put_8 (abfd, 0xff, p + 1);
580 bfd_put_16 (abfd, 0xffff, p + 2);
581 p = try_prev_fixup (abfd, subspace_reloc_sizep, p, 4, queue);
582 while (skip >= 0x1000000)
585 bfd_put_8 (abfd, R_PREV_FIXUP, p);
587 *subspace_reloc_sizep += 1;
588 /* No need to adjust queue here since we are repeating the
589 most recent fixup. */
593 /* The difference must be less than 0x1000000. Use one
594 more R_NO_RELOCATION entry to get to the right difference. */
595 if ((skip & 3) == 0 && skip <= 0xc0000 && skip > 0)
597 /* Difference can be handled in a simple single-byte
598 R_NO_RELOCATION entry. */
601 bfd_put_8 (abfd, R_NO_RELOCATION + (skip >> 2) - 1, p);
602 *subspace_reloc_sizep += 1;
605 /* Handle it with a two byte R_NO_RELOCATION entry. */
606 else if (skip <= 0x1000)
608 bfd_put_8 (abfd, R_NO_RELOCATION + 24 + (((skip >> 2) - 1) >> 8), p);
609 bfd_put_8 (abfd, (skip >> 2) - 1, p + 1);
610 p = try_prev_fixup (abfd, subspace_reloc_sizep, p, 2, queue);
612 /* Handle it with a three byte R_NO_RELOCATION entry. */
615 bfd_put_8 (abfd, R_NO_RELOCATION + 28 + (((skip >> 2) - 1) >> 16), p);
616 bfd_put_16 (abfd, (skip >> 2) - 1, p + 1);
617 p = try_prev_fixup (abfd, subspace_reloc_sizep, p, 3, queue);
620 /* Ugh. Punt and use a 4 byte entry. */
623 bfd_put_8 (abfd, R_NO_RELOCATION + 31, p);
624 bfd_put_8 (abfd, skip >> 16, p + 1);
625 bfd_put_16 (abfd, skip, p + 2);
626 p = try_prev_fixup (abfd, subspace_reloc_sizep, p, 4, queue);
631 /* Emit the proper R_DATA_OVERRIDE fixups to handle a nonzero addend
632 from a BFD relocation. Update the size of the subspace relocation
633 stream via SUBSPACE_RELOC_SIZE_P; also return the current pointer
634 into the relocation stream. */
636 static unsigned char *
637 som_reloc_addend (abfd, addend, p, subspace_reloc_sizep, queue)
641 unsigned int *subspace_reloc_sizep;
642 struct reloc_queue *queue;
644 if ((unsigned)(addend) + 0x80 < 0x100)
646 bfd_put_8 (abfd, R_DATA_OVERRIDE + 1, p);
647 bfd_put_8 (abfd, addend, p + 1);
648 p = try_prev_fixup (abfd, subspace_reloc_sizep, p, 2, queue);
650 else if ((unsigned) (addend) + 0x8000 < 0x10000)
652 bfd_put_8 (abfd, R_DATA_OVERRIDE + 2, p);
653 bfd_put_16 (abfd, addend, p + 1);
654 p = try_prev_fixup (abfd, subspace_reloc_sizep, p, 3, queue);
656 else if ((unsigned) (addend) + 0x800000 < 0x1000000)
658 bfd_put_8 (abfd, R_DATA_OVERRIDE + 3, p);
659 bfd_put_8 (abfd, addend >> 16, p + 1);
660 bfd_put_16 (abfd, addend, p + 2);
661 p = try_prev_fixup (abfd, subspace_reloc_sizep, p, 4, queue);
665 bfd_put_8 (abfd, R_DATA_OVERRIDE + 4, p);
666 bfd_put_32 (abfd, addend, p + 1);
667 p = try_prev_fixup (abfd, subspace_reloc_sizep, p, 5, queue);
672 /* Return the logarithm of X, base 2, considering X unsigned.
673 Abort if X is not a power of two -- this should never happen (FIXME:
674 It will happen on corrupt executables. GDB should give an error, not
675 a coredump, in that case). */
683 /* Test for 0 or a power of 2. */
684 if (x == 0 || x != (x & -x))
687 while ((x >>= 1) != 0)
692 static bfd_reloc_status_type
693 hppa_som_reloc (abfd, reloc_entry, symbol_in, data, input_section, output_bfd)
695 arelent *reloc_entry;
698 asection *input_section;
703 reloc_entry->address += input_section->output_offset;
709 /* Given a generic HPPA relocation type, the instruction format,
710 and a field selector, return an appropriate SOM reloation.
712 FIXME. Need to handle %RR, %LR and the like as field selectors.
713 These will need to generate multiple SOM relocations. */
716 hppa_som_gen_reloc_type (abfd, base_type, format, field)
722 int *final_type, **final_types;
724 final_types = (int **) bfd_alloc_by_size_t (abfd, sizeof (int *) * 2);
725 final_type = (int *) bfd_alloc_by_size_t (abfd, sizeof (int));
728 final_types[0] = final_type;
729 final_types[1] = NULL;
731 /* Default to the basic relocation passed in. */
732 *final_type = base_type;
737 /* PLABELs get their own relocation type. */
742 /* A PLABEL relocation that has a size of 32 bits must
743 be a R_DATA_PLABEL. All others are R_CODE_PLABELs. */
745 *final_type = R_DATA_PLABEL;
747 *final_type = R_CODE_PLABEL;
749 /* A relocatoin in the data space is always a full 32bits. */
750 else if (format == 32)
751 *final_type = R_DATA_ONE_SYMBOL;
756 /* More PLABEL special cases. */
760 *final_type = R_DATA_PLABEL;
764 case R_HPPA_ABS_CALL:
765 case R_HPPA_PCREL_CALL:
767 case R_HPPA_COMPLEX_PCREL_CALL:
768 case R_HPPA_COMPLEX_ABS_CALL:
769 /* Right now we can default all these. */
775 /* Return the address of the correct entry in the PA SOM relocation
778 static reloc_howto_type *
779 som_bfd_reloc_type_lookup (arch, code)
780 bfd_arch_info_type *arch;
781 bfd_reloc_code_real_type code;
783 if ((int) code < (int) R_NO_RELOCATION + 255)
785 BFD_ASSERT ((int) som_hppa_howto_table[(int) code].type == (int) code);
786 return &som_hppa_howto_table[(int) code];
789 return (reloc_howto_type *) 0;
792 /* Perform some initialization for an object. Save results of this
793 initialization in the BFD. */
796 som_object_setup (abfd, file_hdrp, aux_hdrp)
798 struct header *file_hdrp;
799 struct som_exec_auxhdr *aux_hdrp;
801 asection *text, *data, *bss;
803 /* som_mkobject will set bfd_error if som_mkobject fails. */
804 if (som_mkobject (abfd) != true)
807 /* Make the standard .text, .data, and .bss sections so that tools
808 which assume those names work (size for example). They will have
809 no contents, but the sizes and such will reflect those of the
810 $CODE$, $DATA$, and $BSS$ subspaces respectively.
812 FIXME: Should check return status from bfd_make_section calls below. */
814 text = bfd_make_section (abfd, ".text");
815 data = bfd_make_section (abfd, ".data");
816 bss = bfd_make_section (abfd, ".bss");
818 text->_raw_size = aux_hdrp->exec_tsize;
819 data->_raw_size = aux_hdrp->exec_dsize;
820 bss->_raw_size = aux_hdrp->exec_bsize;
822 text->flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_CODE);
823 data->flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS);
824 bss->flags = (SEC_ALLOC | SEC_IS_COMMON);
826 /* The virtual memory addresses of the sections */
827 text->vma = aux_hdrp->exec_tmem;
828 data->vma = aux_hdrp->exec_dmem;
829 bss->vma = aux_hdrp->exec_bfill;
831 /* The file offsets of the sections */
832 text->filepos = aux_hdrp->exec_tfile;
833 data->filepos = aux_hdrp->exec_dfile;
835 /* The file offsets of the relocation info */
836 text->rel_filepos = 0;
837 data->rel_filepos = 0;
839 /* Set BFD flags based on what information is available in the SOM. */
840 abfd->flags = NO_FLAGS;
841 if (! file_hdrp->entry_offset)
842 abfd->flags |= HAS_RELOC;
844 abfd->flags |= EXEC_P;
845 if (file_hdrp->symbol_total)
846 abfd->flags |= HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS;
848 bfd_get_start_address (abfd) = aux_hdrp->exec_entry;
849 bfd_default_set_arch_mach (abfd, bfd_arch_hppa, 0);
850 bfd_get_symcount (abfd) = file_hdrp->symbol_total;
852 /* Initialize the saved symbol table and string table to NULL.
853 Save important offsets and sizes from the SOM header into
855 obj_som_stringtab (abfd) = (char *) NULL;
856 obj_som_symtab (abfd) = (som_symbol_type *) NULL;
857 obj_som_stringtab_size (abfd) = file_hdrp->symbol_strings_size;
858 obj_som_sym_filepos (abfd) = file_hdrp->symbol_location;
859 obj_som_str_filepos (abfd) = file_hdrp->symbol_strings_location;
860 obj_som_reloc_filepos (abfd) = file_hdrp->fixup_request_location;
865 /* Create a new BFD section for NAME. If NAME already exists, then create a
866 new unique name, with NAME as the prefix. This exists because SOM .o files
867 may have more than one $CODE$ subspace. */
870 make_unique_section (abfd, name, num)
879 sect = bfd_make_section (abfd, name);
882 sprintf (altname, "%s-%d", name, num++);
883 sect = bfd_make_section (abfd, altname);
886 newname = bfd_alloc (abfd, strlen (sect->name) + 1);
887 strcpy (newname, sect->name);
889 sect->name = newname;
893 /* Convert all of the space and subspace info into BFD sections. Each space
894 contains a number of subspaces, which in turn describe the mapping between
895 regions of the exec file, and the address space that the program runs in.
896 BFD sections which correspond to spaces will overlap the sections for the
897 associated subspaces. */
900 setup_sections (abfd, file_hdr)
902 struct header *file_hdr;
906 unsigned int total_subspaces = 0;
908 /* First, read in space names */
910 space_strings = alloca (file_hdr->space_strings_size);
914 if (bfd_seek (abfd, file_hdr->space_strings_location, SEEK_SET) < 0)
916 if (bfd_read (space_strings, 1, file_hdr->space_strings_size, abfd)
917 != file_hdr->space_strings_size)
920 /* Loop over all of the space dictionaries, building up sections */
921 for (space_index = 0; space_index < file_hdr->space_total; space_index++)
923 struct space_dictionary_record space;
924 struct subspace_dictionary_record subspace, save_subspace;
926 asection *space_asect;
928 /* Read the space dictionary element */
929 if (bfd_seek (abfd, file_hdr->space_location
930 + space_index * sizeof space, SEEK_SET) < 0)
932 if (bfd_read (&space, 1, sizeof space, abfd) != sizeof space)
935 /* Setup the space name string */
936 space.name.n_name = space.name.n_strx + space_strings;
938 /* Make a section out of it */
939 space_asect = make_unique_section (abfd, space.name.n_name, space_index);
943 /* Now, read in the first subspace for this space */
944 if (bfd_seek (abfd, file_hdr->subspace_location
945 + space.subspace_index * sizeof subspace,
948 if (bfd_read (&subspace, 1, sizeof subspace, abfd) != sizeof subspace)
950 /* Seek back to the start of the subspaces for loop below */
951 if (bfd_seek (abfd, file_hdr->subspace_location
952 + space.subspace_index * sizeof subspace,
956 /* Setup the start address and file loc from the first subspace record */
957 space_asect->vma = subspace.subspace_start;
958 space_asect->filepos = subspace.file_loc_init_value;
959 space_asect->alignment_power = log2 (subspace.alignment);
961 /* Initialize save_subspace so we can reliably determine if this
962 loop placed any useful values into it. */
963 bzero (&save_subspace, sizeof (struct subspace_dictionary_record));
965 /* Loop over the rest of the subspaces, building up more sections */
966 for (subspace_index = 0; subspace_index < space.subspace_quantity;
969 asection *subspace_asect;
971 /* Read in the next subspace */
972 if (bfd_read (&subspace, 1, sizeof subspace, abfd)
976 /* Setup the subspace name string */
977 subspace.name.n_name = subspace.name.n_strx + space_strings;
979 /* Make a section out of this subspace */
980 subspace_asect = make_unique_section (abfd, subspace.name.n_name,
981 space.subspace_index + subspace_index);
986 /* Keep an easy mapping between subspaces and sections. */
987 som_section_data (subspace_asect)->subspace_index
990 /* Set SEC_READONLY and SEC_CODE/SEC_DATA as specified
991 by the access_control_bits in the subspace header. */
992 switch (subspace.access_control_bits >> 4)
996 subspace_asect->flags |= SEC_DATA | SEC_READONLY;
1001 subspace_asect->flags |= SEC_DATA;
1004 /* Readonly code and the gateways.
1005 Gateways have other attributes which do not map
1006 into anything BFD knows about. */
1012 subspace_asect->flags |= SEC_CODE | SEC_READONLY;
1015 /* dynamic (writable) code. */
1017 subspace_asect->flags |= SEC_CODE;
1021 if (subspace.dup_common || subspace.is_common)
1022 subspace_asect->flags |= SEC_IS_COMMON;
1024 subspace_asect->flags |= SEC_HAS_CONTENTS;
1025 if (subspace.is_loadable)
1026 subspace_asect->flags |= SEC_ALLOC | SEC_LOAD;
1027 if (subspace.code_only)
1028 subspace_asect->flags |= SEC_CODE;
1030 /* This subspace has relocations.
1031 The fixup_request_quantity is a byte count for the number of
1032 entries in the relocation stream; it is not the actual number
1033 of relocations in the subspace. */
1034 if (subspace.fixup_request_quantity != 0)
1036 subspace_asect->flags |= SEC_RELOC;
1037 subspace_asect->rel_filepos = subspace.fixup_request_index;
1038 som_section_data (subspace_asect)->reloc_size
1039 = subspace.fixup_request_quantity;
1040 /* We can not determine this yet. When we read in the
1041 relocation table the correct value will be filled in. */
1042 subspace_asect->reloc_count = -1;
1045 /* Update save_subspace if appropriate. */
1046 if (subspace.file_loc_init_value > save_subspace.file_loc_init_value)
1047 save_subspace = subspace;
1049 subspace_asect->vma = subspace.subspace_start;
1050 subspace_asect->_cooked_size = subspace.subspace_length;
1051 subspace_asect->_raw_size = subspace.initialization_length;
1052 subspace_asect->alignment_power = log2 (subspace.alignment);
1053 subspace_asect->filepos = subspace.file_loc_init_value;
1056 /* Yow! there is no subspace within the space which actually
1057 has initialized information in it; this should never happen
1058 as far as I know. */
1059 if (!save_subspace.file_loc_init_value)
1062 /* Setup the sizes for the space section based upon the info in the
1063 last subspace of the space. */
1064 space_asect->_cooked_size = save_subspace.subspace_start
1065 - space_asect->vma + save_subspace.subspace_length;
1066 space_asect->_raw_size = save_subspace.file_loc_init_value
1067 - space_asect->filepos + save_subspace.initialization_length;
1072 /* Read in a SOM object and make it into a BFD. */
1078 struct header file_hdr;
1079 struct som_exec_auxhdr aux_hdr;
1081 if (bfd_read ((PTR) & file_hdr, 1, FILE_HDR_SIZE, abfd) != FILE_HDR_SIZE)
1083 bfd_error = system_call_error;
1087 if (!_PA_RISC_ID (file_hdr.system_id))
1089 bfd_error = wrong_format;
1093 switch (file_hdr.a_magic)
1110 bfd_error = wrong_format;
1114 if (file_hdr.version_id != VERSION_ID
1115 && file_hdr.version_id != NEW_VERSION_ID)
1117 bfd_error = wrong_format;
1121 /* If the aux_header_size field in the file header is zero, then this
1122 object is an incomplete executable (a .o file). Do not try to read
1123 a non-existant auxiliary header. */
1124 bzero (&aux_hdr, sizeof (struct som_exec_auxhdr));
1125 if (file_hdr.aux_header_size != 0)
1127 if (bfd_read ((PTR) & aux_hdr, 1, AUX_HDR_SIZE, abfd) != AUX_HDR_SIZE)
1129 bfd_error = wrong_format;
1134 if (!setup_sections (abfd, &file_hdr))
1136 /* setup_sections does not bubble up a bfd error code. */
1137 bfd_error = bad_value;
1141 /* This appears to be a valid SOM object. Do some initialization. */
1142 return som_object_setup (abfd, &file_hdr, &aux_hdr);
1145 /* Create a SOM object. */
1151 /* Allocate memory to hold backend information. */
1152 abfd->tdata.som_data = (struct som_data_struct *)
1153 bfd_zalloc (abfd, sizeof (struct som_data_struct));
1154 if (abfd->tdata.som_data == NULL)
1156 bfd_error = no_memory;
1159 obj_som_file_hdr (abfd) = bfd_zalloc (abfd, sizeof (struct header));
1160 if (obj_som_file_hdr (abfd) == NULL)
1163 bfd_error = no_memory;
1169 /* Initialize some information in the file header. This routine makes
1170 not attempt at doing the right thing for a full executable; it
1171 is only meant to handle relocatable objects. */
1174 som_prep_headers (abfd)
1177 struct header *file_hdr = obj_som_file_hdr (abfd);
1180 /* FIXME. This should really be conditional based on whether or not
1181 PA1.1 instructions/registers have been used. */
1182 file_hdr->system_id = HP9000S800_ID;
1184 /* FIXME. Only correct for building relocatable objects. */
1185 if (abfd->flags & EXEC_P)
1188 file_hdr->a_magic = RELOC_MAGIC;
1190 /* Only new format SOM is supported. */
1191 file_hdr->version_id = NEW_VERSION_ID;
1193 /* These fields are optional, and embedding timestamps is not always
1194 a wise thing to do, it makes comparing objects during a multi-stage
1195 bootstrap difficult. */
1196 file_hdr->file_time.secs = 0;
1197 file_hdr->file_time.nanosecs = 0;
1199 if (abfd->flags & EXEC_P)
1203 file_hdr->entry_space = 0;
1204 file_hdr->entry_subspace = 0;
1205 file_hdr->entry_offset = 0;
1208 /* FIXME. I do not know if we ever need to put anything other
1209 than zero in this field. */
1210 file_hdr->presumed_dp = 0;
1212 /* Now iterate over the sections translating information from
1213 BFD sections to SOM spaces/subspaces. */
1215 for (section = abfd->sections; section != NULL; section = section->next)
1217 /* Ignore anything which has not been marked as a space or
1219 if (som_section_data (section)->is_space == 0
1221 && som_section_data (section)->is_subspace == 0)
1224 if (som_section_data (section)->is_space)
1226 /* Set space attributes. Note most attributes of SOM spaces
1227 are set based on the subspaces it contains. */
1228 som_section_data (section)->space_dict.loader_fix_index = -1;
1229 som_section_data (section)->space_dict.init_pointer_index = -1;
1233 /* Set subspace attributes. Basic stuff is done here, additional
1234 attributes are filled in later as more information becomes
1236 if (section->flags & SEC_IS_COMMON)
1238 som_section_data (section)->subspace_dict.dup_common = 1;
1239 som_section_data (section)->subspace_dict.is_common = 1;
1242 if (section->flags & SEC_ALLOC)
1243 som_section_data (section)->subspace_dict.is_loadable = 1;
1245 if (section->flags & SEC_CODE)
1246 som_section_data (section)->subspace_dict.code_only = 1;
1248 som_section_data (section)->subspace_dict.subspace_start =
1250 som_section_data (section)->subspace_dict.subspace_length =
1251 bfd_section_size (abfd, section);
1252 som_section_data (section)->subspace_dict.initialization_length =
1253 bfd_section_size (abfd, section);
1254 som_section_data (section)->subspace_dict.alignment =
1255 1 << section->alignment_power;
1261 /* Count and return the number of spaces attached to the given BFD. */
1263 static unsigned long
1264 som_count_spaces (abfd)
1270 for (section = abfd->sections; section != NULL; section = section->next)
1271 count += som_section_data (section)->is_space;
1276 /* Count the number of subspaces attached to the given BFD. */
1278 static unsigned long
1279 som_count_subspaces (abfd)
1285 for (section = abfd->sections; section != NULL; section = section->next)
1286 count += som_section_data (section)->is_subspace;
1291 /* Return -1, 0, 1 indicating the relative ordering of sym1 and sym2.
1293 We desire symbols to be ordered starting with the symbol with the
1294 highest relocation count down to the symbol with the lowest relocation
1295 count. Doing so compacts the relocation stream. */
1298 compare_syms (sym1, sym2)
1303 unsigned int count1, count2;
1305 /* Get relocation count for each symbol. Note that the count
1306 is stored in the udata pointer for section symbols! */
1307 if ((*sym1)->flags & BSF_SECTION_SYM)
1308 count1 = (int)(*sym1)->udata;
1310 count1 = (*som_symbol_data ((*sym1)))->reloc_count;
1312 if ((*sym2)->flags & BSF_SECTION_SYM)
1313 count2 = (int)(*sym2)->udata;
1315 count2 = (*som_symbol_data ((*sym2)))->reloc_count;
1317 /* Return the appropriate value. */
1318 if (count1 < count2)
1320 else if (count1 > count2)
1325 static unsigned long
1326 som_compute_checksum (abfd)
1329 unsigned long checksum, count, i;
1330 unsigned long *buffer = (unsigned long *) obj_som_file_hdr (abfd);
1333 count = sizeof (struct header) / sizeof (unsigned long);
1334 for (i = 0; i < count; i++)
1335 checksum ^= *(buffer + i);
1341 som_write_object_contents (abfd)
1344 fprintf (stderr, "som_write_object_contents unimplemented\n");
1349 /* Read and save the string table associated with the given BFD. */
1352 som_slurp_string_table (abfd)
1357 /* Use the saved version if its available. */
1358 if (obj_som_stringtab (abfd) != NULL)
1361 /* Allocate and read in the string table. */
1362 stringtab = bfd_zalloc (abfd, obj_som_stringtab_size (abfd));
1363 if (stringtab == NULL)
1365 bfd_error = no_memory;
1369 if (bfd_seek (abfd, obj_som_str_filepos (abfd), SEEK_SET) < 0)
1371 bfd_error = system_call_error;
1375 if (bfd_read (stringtab, obj_som_stringtab_size (abfd), 1, abfd)
1376 != obj_som_stringtab_size (abfd))
1378 bfd_error = system_call_error;
1382 /* Save our results and return success. */
1383 obj_som_stringtab (abfd) = stringtab;
1387 /* Return the amount of data (in bytes) required to hold the symbol
1388 table for this object. */
1391 som_get_symtab_upper_bound (abfd)
1394 if (!som_slurp_symbol_table (abfd))
1397 return (bfd_get_symcount (abfd) + 1) * (sizeof (som_symbol_type *));
1400 /* Convert from a SOM subspace index to a BFD section. */
1403 som_section_from_subspace_index (abfd, index)
1409 for (section = abfd->sections; section != NULL; section = section->next)
1410 if (som_section_data (section)->subspace_index == index)
1413 /* Should never happen. */
1417 /* Read and save the symbol table associated with the given BFD. */
1420 som_slurp_symbol_table (abfd)
1423 int symbol_count = bfd_get_symcount (abfd);
1424 int symsize = sizeof (struct symbol_dictionary_record);
1426 struct symbol_dictionary_record *buf, *bufp, *endbufp;
1427 som_symbol_type *sym, *symbase;
1429 /* Return saved value if it exists. */
1430 if (obj_som_symtab (abfd) != NULL)
1433 /* Sanity checking. Make sure there are some symbols and that
1434 we can read the string table too. */
1435 if (symbol_count == 0)
1437 bfd_error = no_symbols;
1441 if (!som_slurp_string_table (abfd))
1444 stringtab = obj_som_stringtab (abfd);
1446 symbase = (som_symbol_type *)
1447 bfd_zalloc (abfd, symbol_count * sizeof (som_symbol_type));
1448 if (symbase == NULL)
1450 bfd_error = no_memory;
1454 /* Read in the external SOM representation. */
1455 buf = alloca (symbol_count * symsize);
1458 bfd_error = no_memory;
1461 if (bfd_seek (abfd, obj_som_sym_filepos (abfd), SEEK_SET) < 0)
1463 bfd_error = system_call_error;
1466 if (bfd_read (buf, symbol_count * symsize, 1, abfd)
1467 != symbol_count * symsize)
1469 bfd_error = no_symbols;
1473 /* Iterate over all the symbols and internalize them. */
1474 endbufp = buf + symbol_count;
1475 for (bufp = buf, sym = symbase; bufp < endbufp; ++bufp)
1478 /* I don't think we care about these. */
1479 if (bufp->symbol_type == ST_SYM_EXT
1480 || bufp->symbol_type == ST_ARG_EXT)
1483 /* Some reasonable defaults. */
1484 sym->symbol.the_bfd = abfd;
1485 sym->symbol.name = bufp->name.n_strx + stringtab;
1486 sym->symbol.value = bufp->symbol_value;
1487 sym->symbol.section = 0;
1488 sym->symbol.flags = 0;
1490 switch (bufp->symbol_type)
1493 sym->symbol.flags |= BSF_FUNCTION;
1494 sym->symbol.value &= ~0x3;
1502 sym->symbol.value &= ~0x3;
1508 /* Handle scoping and section information. */
1509 switch (bufp->symbol_scope)
1511 /* symbol_info field is undefined for SS_EXTERNAL and SS_UNSAT symbols,
1512 so the section associated with this symbol can't be known. */
1515 sym->symbol.flags |= (BSF_EXPORT | BSF_GLOBAL);
1519 sym->symbol.flags |= (BSF_EXPORT | BSF_GLOBAL);
1521 = som_section_from_subspace_index (abfd, bufp->symbol_info);
1522 sym->symbol.value -= sym->symbol.section->vma;
1526 /* SS_GLOBAL and SS_LOCAL are two names for the same thing.
1527 Sound dumb? It is. */
1531 sym->symbol.flags |= BSF_LOCAL;
1533 = som_section_from_subspace_index (abfd, bufp->symbol_info);
1534 sym->symbol.value -= sym->symbol.section->vma;
1538 /* Mark symbols left around by the debugger. */
1539 if (strlen (sym->symbol.name) >= 3
1540 && sym->symbol.name[0] == 'L'
1541 && (sym->symbol.name[2] == '$' || sym->symbol.name[3] == '$'))
1542 sym->symbol.flags |= BSF_DEBUGGING;
1544 /* Note increment at bottom of loop, since we skip some symbols
1545 we can not include it as part of the for statement. */
1549 /* Save our results and return success. */
1550 obj_som_symtab (abfd) = symbase;
1554 /* Canonicalize a SOM symbol table. Return the number of entries
1555 in the symbol table. */
1558 som_get_symtab (abfd, location)
1563 som_symbol_type *symbase;
1565 if (!som_slurp_symbol_table (abfd))
1568 i = bfd_get_symcount (abfd);
1569 symbase = obj_som_symtab (abfd);
1571 for (; i > 0; i--, location++, symbase++)
1572 *location = &symbase->symbol;
1574 /* Final null pointer. */
1576 return (bfd_get_symcount (abfd));
1579 /* Make a SOM symbol. There is nothing special to do here. */
1582 som_make_empty_symbol (abfd)
1585 som_symbol_type *new =
1586 (som_symbol_type *) bfd_zalloc (abfd, sizeof (som_symbol_type));
1589 bfd_error = no_memory;
1592 new->symbol.the_bfd = abfd;
1594 return &new->symbol;
1597 /* Print symbol information. */
1600 som_print_symbol (ignore_abfd, afile, symbol, how)
1604 bfd_print_symbol_type how;
1606 FILE *file = (FILE *) afile;
1609 case bfd_print_symbol_name:
1610 fprintf (file, "%s", symbol->name);
1612 case bfd_print_symbol_more:
1613 fprintf (file, "som ");
1614 fprintf_vma (file, symbol->value);
1615 fprintf (file, " %lx", (long) symbol->flags);
1617 case bfd_print_symbol_all:
1619 CONST char *section_name;
1620 section_name = symbol->section ? symbol->section->name : "(*none*)";
1621 bfd_print_symbol_vandf ((PTR) file, symbol);
1622 fprintf (file, " %s\t%s", section_name, symbol->name);
1629 som_get_reloc_upper_bound (abfd, asect)
1633 fprintf (stderr, "som_get_reloc_upper_bound unimplemented\n");
1640 som_canonicalize_reloc (abfd, section, relptr, symbols)
1646 fprintf (stderr, "som_canonicalize_reloc unimplemented\n");
1651 extern bfd_target som_vec;
1653 /* A hook to set up object file dependent section information. */
1656 som_new_section_hook (abfd, newsect)
1660 newsect->used_by_bfd = (struct som_section_data_struct *)
1661 bfd_zalloc (abfd, sizeof (struct som_section_data_struct));
1662 newsect->alignment_power = 3;
1664 /* Initialize the subspace_index field to -1 so that it does
1665 not match a subspace with an index of 0. */
1666 som_section_data (newsect)->subspace_index = -1;
1668 /* We allow more than three sections internally */
1672 /* Set backend info for sections which can not be described
1673 in the BFD data structures. */
1676 bfd_som_set_section_attributes (section, defined, private, sort_key, spnum)
1680 unsigned char sort_key;
1683 struct space_dictionary_record *space_dict;
1685 som_section_data (section)->is_space = 1;
1686 space_dict = &som_section_data (section)->space_dict;
1687 space_dict->is_defined = defined;
1688 space_dict->is_private = private;
1689 space_dict->sort_key = sort_key;
1690 space_dict->space_number = spnum;
1693 /* Set backend info for subsections which can not be described
1694 in the BFD data structures. */
1697 bfd_som_set_subsection_attributes (section, container, access,
1700 asection *container;
1702 unsigned char sort_key;
1705 struct subspace_dictionary_record *subspace_dict;
1706 som_section_data (section)->is_subspace = 1;
1707 subspace_dict = &som_section_data (section)->subspace_dict;
1708 subspace_dict->access_control_bits = access;
1709 subspace_dict->sort_key = sort_key;
1710 subspace_dict->quadrant = quadrant;
1711 som_section_data (section)->containing_space = container;
1714 /* Set the full SOM symbol type. SOM needs far more symbol information
1715 than any other object file format I'm aware of. It is mandatory
1716 to be able to know if a symbol is an entry point, millicode, data,
1717 code, absolute, storage request, or procedure label. If you get
1718 the symbol type wrong your program will not link. */
1721 bfd_som_set_symbol_type (symbol, type)
1725 (*som_symbol_data (symbol))->som_type = type;
1728 /* Attach 64bits of unwind information to a symbol (which hopefully
1729 is a function of some kind!). It would be better to keep this
1730 in the R_ENTRY relocation, but there is not enough space. */
1733 bfd_som_attach_unwind_info (symbol, unwind_desc)
1737 (*som_symbol_data (symbol))->unwind = unwind_desc;
1741 som_set_section_contents (abfd, section, location, offset, count)
1746 bfd_size_type count;
1748 fprintf (stderr, "som_set_section_contents unimplimented\n");
1755 som_set_arch_mach (abfd, arch, machine)
1757 enum bfd_architecture arch;
1758 unsigned long machine;
1760 fprintf (stderr, "som_set_arch_mach unimplemented\n");
1762 /* Allow any architecture to be supported by the som backend */
1763 return bfd_default_set_arch_mach (abfd, arch, machine);
1767 som_find_nearest_line (abfd, section, symbols, offset, filename_ptr,
1768 functionname_ptr, line_ptr)
1773 CONST char **filename_ptr;
1774 CONST char **functionname_ptr;
1775 unsigned int *line_ptr;
1777 fprintf (stderr, "som_find_nearest_line unimplemented\n");
1784 som_sizeof_headers (abfd, reloc)
1788 fprintf (stderr, "som_sizeof_headers unimplemented\n");
1794 /* Return information about SOM symbol SYMBOL in RET. */
1797 som_get_symbol_info (ignore_abfd, symbol, ret)
1798 bfd *ignore_abfd; /* Ignored. */
1802 bfd_symbol_info (symbol, ret);
1805 /* End of miscellaneous support functions. */
1807 #define som_bfd_debug_info_start bfd_void
1808 #define som_bfd_debug_info_end bfd_void
1809 #define som_bfd_debug_info_accumulate (PROTO(void,(*),(bfd*, struct sec *))) bfd_void
1811 #define som_openr_next_archived_file bfd_generic_openr_next_archived_file
1812 #define som_generic_stat_arch_elt bfd_generic_stat_arch_elt
1813 #define som_slurp_armap bfd_false
1814 #define som_slurp_extended_name_table _bfd_slurp_extended_name_table
1815 #define som_truncate_arname (void (*)())bfd_nullvoidptr
1816 #define som_write_armap 0
1818 #define som_get_lineno (struct lineno_cache_entry *(*)())bfd_nullvoidptr
1819 #define som_close_and_cleanup bfd_generic_close_and_cleanup
1820 #define som_get_section_contents bfd_generic_get_section_contents
1822 #define som_bfd_get_relocated_section_contents \
1823 bfd_generic_get_relocated_section_contents
1824 #define som_bfd_relax_section bfd_generic_relax_section
1825 #define som_bfd_seclet_link bfd_generic_seclet_link
1826 #define som_bfd_reloc_type_lookup \
1827 ((CONST struct reloc_howto_struct *(*) PARAMS ((bfd *, bfd_reloc_code_real_type))) bfd_nullvoidptr)
1828 #define som_bfd_make_debug_symbol \
1829 ((asymbol *(*) PARAMS ((bfd *, void *, unsigned long))) bfd_nullvoidptr)
1831 /* Core file support is in the hpux-core backend. */
1832 #define som_core_file_failing_command _bfd_dummy_core_file_failing_command
1833 #define som_core_file_failing_signal _bfd_dummy_core_file_failing_signal
1834 #define som_core_file_matches_executable_p _bfd_dummy_core_file_matches_executable_p
1836 bfd_target som_vec =
1839 bfd_target_som_flavour,
1840 true, /* target byte order */
1841 true, /* target headers byte order */
1842 (HAS_RELOC | EXEC_P | /* object flags */
1843 HAS_LINENO | HAS_DEBUG |
1844 HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
1845 (SEC_CODE | SEC_DATA | SEC_ROM | SEC_HAS_CONTENTS
1846 | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
1848 /* leading_symbol_char: is the first char of a user symbol
1849 predictable, and if so what is it */
1851 ' ', /* ar_pad_char */
1852 16, /* ar_max_namelen */
1853 3, /* minimum alignment */
1854 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
1855 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
1856 bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* data */
1857 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
1858 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
1859 bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */
1861 som_object_p, /* bfd_check_format */
1862 bfd_generic_archive_p,
1868 _bfd_generic_mkarchive,
1873 som_write_object_contents,
1874 _bfd_write_archive_contents,
1882 #endif /* HOST_HPPAHPUX || HOST_HPPABSD */