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
));
163 static reloc_howto_type som_hppa_howto_table
[] =
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_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_ZEROES
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_ZEROES"},
198 {R_ZEROES
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_ZEROES"},
199 {R_UNINIT
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_UNINIT"},
200 {R_UNINIT
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_UNINIT"},
201 {R_RELOCATION
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RELOCATION"},
202 {R_DATA_ONE_SYMBOL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_DATA_ONE_SYMBOL"},
203 {R_DATA_ONE_SYMBOL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_DATA_ONE_SYMBOL"},
204 {R_DATA_PLABEL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_DATA_PLABEL"},
205 {R_DATA_PLABEL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_DATA_PLABEL"},
206 {R_SPACE_REF
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_SPACE_REF"},
207 {R_REPEATED_INIT
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "REPEATED_INIT"},
208 {R_REPEATED_INIT
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "REPEATED_INIT"},
209 {R_REPEATED_INIT
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "REPEATED_INIT"},
210 {R_REPEATED_INIT
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "REPEATED_INIT"},
211 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
212 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
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_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_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
228 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
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_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_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
244 {R_RESERVED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RESERVED"},
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_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_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_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_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_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_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_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_MILLI_REL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_MILLI_REL"},
340 {R_MILLI_REL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_MILLI_REL"},
341 {R_CODE_PLABEL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_CODE_PLABEL"},
342 {R_CODE_PLABEL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_CODE_PLABEL"},
343 {R_BREAKPOINT
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_BREAKPOINT"},
344 {R_ENTRY
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_ENTRY"},
345 {R_ENTRY
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_ENTRY"},
346 {R_ALT_ENTRY
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_ALT_ENTRY"},
347 {R_EXIT
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_EXIT"},
348 {R_BEGIN_TRY
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_BEGIN_TRY"},
349 {R_END_TRY
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_END_TRY"},
350 {R_END_TRY
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_END_TRY"},
351 {R_BEGIN_BRTAB
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_BEGIN_BRTAB"},
352 {R_END_BRTAB
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_END_BRTAB"},
353 {R_STATEMENT
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_STATEMENT"},
354 {R_STATEMENT
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_STATEMENT"},
355 {R_STATEMENT
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_STATEMENT"},
356 {R_DATA_EXPR
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_DATA_EXPR"},
357 {R_CODE_EXPR
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_CODE_EXPR"},
358 {R_FSEL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_FSEL"},
359 {R_LSEL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_LSEL"},
360 {R_RSEL
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_RSEL"},
361 {R_N_MODE
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_N_MODE"},
362 {R_S_MODE
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_S_MODE"},
363 {R_D_MODE
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_D_MODE"},
364 {R_R_MODE
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_R_MODE"},
365 {R_DATA_OVERRIDE
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_DATA_OVERRIDE"},
366 {R_DATA_OVERRIDE
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_DATA_OVERRIDE"},
367 {R_DATA_OVERRIDE
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_DATA_OVERRIDE"},
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_TRANSLATED
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_TRANSLATED"},
372 {R_STATEMENT
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_STATEMENT"},
373 {R_STATEMENT
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_STATEMENT"},
374 {R_STATEMENT
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_STATEMENT"},
375 {R_COMP1
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_COMP1"},
376 {R_COMP2
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_COMP2"},
377 {R_COMP3
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_COMP3"},
378 {R_PREV_FIXUP
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_PREV_FIXUP"},
379 {R_PREV_FIXUP
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_PREV_FIXUP"},
380 {R_PREV_FIXUP
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_PREV_FIXUP"},
381 {R_PREV_FIXUP
, 0, 0, 32, false, 0, 0, hppa_som_reloc
, "R_PREV_FIXUP"},
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"},
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"}};
425 /* Initialize the SOM relocation queue. By definition the queue holds
426 the last four multibyte fixups. */
429 som_initialize_reloc_queue (queue
)
430 struct reloc_queue
*queue
;
432 queue
[0].reloc
= NULL
;
434 queue
[1].reloc
= NULL
;
436 queue
[2].reloc
= NULL
;
438 queue
[3].reloc
= NULL
;
442 /* Insert a new relocation into the relocation queue. */
445 som_reloc_queue_insert (p
, size
, queue
)
448 struct reloc_queue
*queue
;
450 queue
[3].reloc
= queue
[2].reloc
;
451 queue
[3].size
= queue
[2].size
;
452 queue
[2].reloc
= queue
[1].reloc
;
453 queue
[2].size
= queue
[1].size
;
454 queue
[1].reloc
= queue
[0].reloc
;
455 queue
[1].size
= queue
[0].size
;
457 queue
[0].size
= size
;
460 /* When an entry in the relocation queue is reused, the entry moves
461 to the front of the queue. */
464 som_reloc_queue_fix (queue
, index
)
465 struct reloc_queue
*queue
;
473 unsigned char *tmp1
= queue
[0].reloc
;
474 unsigned int tmp2
= queue
[0].size
;
475 queue
[0].reloc
= queue
[1].reloc
;
476 queue
[0].size
= queue
[1].size
;
477 queue
[1].reloc
= tmp1
;
478 queue
[1].size
= tmp2
;
484 unsigned char *tmp1
= queue
[0].reloc
;
485 unsigned int tmp2
= queue
[0].size
;
486 queue
[0].reloc
= queue
[2].reloc
;
487 queue
[0].size
= queue
[2].size
;
488 queue
[2].reloc
= queue
[1].reloc
;
489 queue
[2].size
= queue
[1].size
;
490 queue
[1].reloc
= tmp1
;
491 queue
[1].size
= tmp2
;
497 unsigned char *tmp1
= queue
[0].reloc
;
498 unsigned int tmp2
= queue
[0].size
;
499 queue
[0].reloc
= queue
[3].reloc
;
500 queue
[0].size
= queue
[3].size
;
501 queue
[3].reloc
= queue
[2].reloc
;
502 queue
[3].size
= queue
[2].size
;
503 queue
[2].reloc
= queue
[1].reloc
;
504 queue
[2].size
= queue
[1].size
;
505 queue
[1].reloc
= tmp1
;
506 queue
[1].size
= tmp2
;
512 /* Search for a particular relocation in the relocation queue. */
515 som_reloc_queue_find (p
, size
, queue
)
518 struct reloc_queue
*queue
;
520 if (!bcmp (p
, queue
[0].reloc
, size
)
521 && size
== queue
[0].size
)
523 if (!bcmp (p
, queue
[1].reloc
, size
)
524 && size
== queue
[1].size
)
526 if (!bcmp (p
, queue
[2].reloc
, size
)
527 && size
== queue
[2].size
)
529 if (!bcmp (p
, queue
[3].reloc
, size
)
530 && size
== queue
[3].size
)
535 static unsigned char *
536 try_prev_fixup (abfd
, subspace_reloc_sizep
, p
, size
, queue
)
538 int *subspace_reloc_sizep
;
541 struct reloc_queue
*queue
;
543 int queue_index
= som_reloc_queue_find (p
, size
, queue
);
545 if (queue_index
!= -1)
547 /* Found this in a previous fixup. Undo the fixup we
548 just built and use R_PREV_FIXUP instead. We saved
549 a total of size - 1 bytes in the fixup stream. */
550 bfd_put_8 (abfd
, R_PREV_FIXUP
+ queue_index
, p
);
552 *subspace_reloc_sizep
+= 1;
553 som_reloc_queue_fix (queue
, queue_index
);
557 som_reloc_queue_insert (p
, size
, queue
);
558 *subspace_reloc_sizep
+= size
;
564 /* Emit the proper R_NO_RELOCATION fixups to map the next SKIP
565 bytes without any relocation. Update the size of the subspace
566 relocation stream via SUBSPACE_RELOC_SIZE_P; also return the
567 current pointer into the relocation stream. */
569 static unsigned char *
570 som_reloc_skip (abfd
, skip
, p
, subspace_reloc_sizep
, queue
)
574 unsigned int *subspace_reloc_sizep
;
575 struct reloc_queue
*queue
;
577 /* Use a 4 byte R_NO_RELOCATION entry with a maximal value
578 then R_PREV_FIXUPs to get the difference down to a
580 if (skip
>= 0x1000000)
583 bfd_put_8 (abfd
, R_NO_RELOCATION
+ 31, p
);
584 bfd_put_8 (abfd
, 0xff, p
+ 1);
585 bfd_put_16 (abfd
, 0xffff, p
+ 2);
586 p
= try_prev_fixup (abfd
, subspace_reloc_sizep
, p
, 4, queue
);
587 while (skip
>= 0x1000000)
590 bfd_put_8 (abfd
, R_PREV_FIXUP
, p
);
592 *subspace_reloc_sizep
+= 1;
593 /* No need to adjust queue here since we are repeating the
594 most recent fixup. */
598 /* The difference must be less than 0x1000000. Use one
599 more R_NO_RELOCATION entry to get to the right difference. */
600 if ((skip
& 3) == 0 && skip
<= 0xc0000 && skip
> 0)
602 /* Difference can be handled in a simple single-byte
603 R_NO_RELOCATION entry. */
606 bfd_put_8 (abfd
, R_NO_RELOCATION
+ (skip
>> 2) - 1, p
);
607 *subspace_reloc_sizep
+= 1;
610 /* Handle it with a two byte R_NO_RELOCATION entry. */
611 else if (skip
<= 0x1000)
613 bfd_put_8 (abfd
, R_NO_RELOCATION
+ 24 + (((skip
>> 2) - 1) >> 8), p
);
614 bfd_put_8 (abfd
, (skip
>> 2) - 1, p
+ 1);
615 p
= try_prev_fixup (abfd
, subspace_reloc_sizep
, p
, 2, queue
);
617 /* Handle it with a three byte R_NO_RELOCATION entry. */
620 bfd_put_8 (abfd
, R_NO_RELOCATION
+ 28 + (((skip
>> 2) - 1) >> 16), p
);
621 bfd_put_16 (abfd
, (skip
>> 2) - 1, p
+ 1);
622 p
= try_prev_fixup (abfd
, subspace_reloc_sizep
, p
, 3, queue
);
625 /* Ugh. Punt and use a 4 byte entry. */
628 bfd_put_8 (abfd
, R_NO_RELOCATION
+ 31, p
);
629 bfd_put_8 (abfd
, skip
>> 16, p
+ 1);
630 bfd_put_16 (abfd
, skip
, p
+ 2);
631 p
= try_prev_fixup (abfd
, subspace_reloc_sizep
, p
, 4, queue
);
636 /* Emit the proper R_DATA_OVERRIDE fixups to handle a nonzero addend
637 from a BFD relocation. Update the size of the subspace relocation
638 stream via SUBSPACE_RELOC_SIZE_P; also return the current pointer
639 into the relocation stream. */
641 static unsigned char *
642 som_reloc_addend (abfd
, addend
, p
, subspace_reloc_sizep
, queue
)
646 unsigned int *subspace_reloc_sizep
;
647 struct reloc_queue
*queue
;
649 if ((unsigned)(addend
) + 0x80 < 0x100)
651 bfd_put_8 (abfd
, R_DATA_OVERRIDE
+ 1, p
);
652 bfd_put_8 (abfd
, addend
, p
+ 1);
653 p
= try_prev_fixup (abfd
, subspace_reloc_sizep
, p
, 2, queue
);
655 else if ((unsigned) (addend
) + 0x8000 < 0x10000)
657 bfd_put_8 (abfd
, R_DATA_OVERRIDE
+ 2, p
);
658 bfd_put_16 (abfd
, addend
, p
+ 1);
659 p
= try_prev_fixup (abfd
, subspace_reloc_sizep
, p
, 3, queue
);
661 else if ((unsigned) (addend
) + 0x800000 < 0x1000000)
663 bfd_put_8 (abfd
, R_DATA_OVERRIDE
+ 3, p
);
664 bfd_put_8 (abfd
, addend
>> 16, p
+ 1);
665 bfd_put_16 (abfd
, addend
, p
+ 2);
666 p
= try_prev_fixup (abfd
, subspace_reloc_sizep
, p
, 4, queue
);
670 bfd_put_8 (abfd
, R_DATA_OVERRIDE
+ 4, p
);
671 bfd_put_32 (abfd
, addend
, p
+ 1);
672 p
= try_prev_fixup (abfd
, subspace_reloc_sizep
, p
, 5, queue
);
677 /* Handle a single function call relocation. */
679 static unsigned char *
680 som_reloc_call (abfd
, p
, subspace_reloc_sizep
, bfd_reloc
, sym_num
, queue
)
683 unsigned int *subspace_reloc_sizep
;
686 struct reloc_queue
*queue
;
688 int arg_bits
= HPPA_R_ARG_RELOC (bfd_reloc
->addend
);
689 int rtn_bits
= arg_bits
& 0x3;
692 /* You'll never believe all this is necessary to handle relocations
693 for function calls. Having to compute and pack the argument
694 relocation bits is the real nightmare.
696 If you're interested in how this works, just forget it. You really
697 do not want to know about this braindamage. */
699 /* First see if this can be done with a "simple" relocation. Simple
700 relocations have a symbol number < 0x100 and have simple encodings
701 of argument relocations. */
715 case 1 << 8 | 1 << 6:
716 case 1 << 8 | 1 << 6 | 1:
719 case 1 << 8 | 1 << 6 | 1 << 4:
720 case 1 << 8 | 1 << 6 | 1 << 4 | 1:
723 case 1 << 8 | 1 << 6 | 1 << 4 | 1 << 2:
724 case 1 << 8 | 1 << 6 | 1 << 4 | 1 << 2 | 1:
728 /* Not one of the easy encodings. This will have to be
729 handled by the more complex code below. */
735 /* Account for the return value too. */
739 /* Emit a 2 byte relocation. Then see if it can be handled
740 with a relocation which is already in the relocation queue. */
741 bfd_put_8 (abfd
, bfd_reloc
->howto
->type
+ type
, p
);
742 bfd_put_8 (abfd
, sym_num
, p
+ 1);
743 p
= try_prev_fixup (abfd
, subspace_reloc_sizep
, p
, 2, queue
);
748 /* If this could not be handled with a simple relocation, then do a hard
749 one. Hard relocations occur if the symbol number was too high or if
750 the encoding of argument relocation bits is too complex. */
753 /* Don't ask about these magic sequences. I took them straight
754 from gas-1.36 which took them from the a.out man page. */
756 if ((arg_bits
>> 6 & 0xf) == 0xe)
759 type
+= (3 * (arg_bits
>> 8 & 3) + (arg_bits
>> 6 & 3)) * 40;
760 if ((arg_bits
>> 2 & 0xf) == 0xe)
763 type
+= (3 * (arg_bits
>> 4 & 3) + (arg_bits
>> 2 & 3)) * 4;
765 /* Output the first two bytes of the relocation. These describe
766 the length of the relocation and encoding style. */
767 bfd_put_8 (abfd
, bfd_reloc
->howto
->type
+ 10
768 + 2 * (sym_num
>= 0x100) + (type
>= 0x100),
770 bfd_put_8 (abfd
, type
, p
+ 1);
772 /* Now output the symbol index and see if this bizarre relocation
773 just happened to be in the relocation queue. */
776 bfd_put_8 (abfd
, sym_num
, p
+ 2);
777 p
= try_prev_fixup (abfd
, subspace_reloc_sizep
, p
, 3, queue
);
781 bfd_put_8 (abfd
, sym_num
>> 16, p
+ 2);
782 bfd_put_16 (abfd
, sym_num
, p
+ 3);
783 p
= try_prev_fixup (abfd
, subspace_reloc_sizep
, p
, 5, queue
);
790 /* Return the logarithm of X, base 2, considering X unsigned.
791 Abort if X is not a power of two -- this should never happen (FIXME:
792 It will happen on corrupt executables. GDB should give an error, not
793 a coredump, in that case). */
801 /* Test for 0 or a power of 2. */
802 if (x
== 0 || x
!= (x
& -x
))
805 while ((x
>>= 1) != 0)
810 static bfd_reloc_status_type
811 hppa_som_reloc (abfd
, reloc_entry
, symbol_in
, data
, input_section
, output_bfd
)
813 arelent
*reloc_entry
;
816 asection
*input_section
;
821 reloc_entry
->address
+= input_section
->output_offset
;
827 /* Given a generic HPPA relocation type, the instruction format,
828 and a field selector, return an appropriate SOM reloation.
830 FIXME. Need to handle %RR, %LR and the like as field selectors.
831 These will need to generate multiple SOM relocations. */
834 hppa_som_gen_reloc_type (abfd
, base_type
, format
, field
)
840 int *final_type
, **final_types
;
842 final_types
= (int **) bfd_alloc_by_size_t (abfd
, sizeof (int *) * 2);
843 final_type
= (int *) bfd_alloc_by_size_t (abfd
, sizeof (int));
846 final_types
[0] = final_type
;
847 final_types
[1] = NULL
;
849 /* Default to the basic relocation passed in. */
850 *final_type
= base_type
;
855 /* PLABELs get their own relocation type. */
860 /* A PLABEL relocation that has a size of 32 bits must
861 be a R_DATA_PLABEL. All others are R_CODE_PLABELs. */
863 *final_type
= R_DATA_PLABEL
;
865 *final_type
= R_CODE_PLABEL
;
867 /* A relocatoin in the data space is always a full 32bits. */
868 else if (format
== 32)
869 *final_type
= R_DATA_ONE_SYMBOL
;
874 /* More PLABEL special cases. */
878 *final_type
= R_DATA_PLABEL
;
882 case R_HPPA_ABS_CALL
:
883 case R_HPPA_PCREL_CALL
:
885 case R_HPPA_COMPLEX_PCREL_CALL
:
886 case R_HPPA_COMPLEX_ABS_CALL
:
887 /* Right now we can default all these. */
893 /* Return the address of the correct entry in the PA SOM relocation
896 static reloc_howto_type
*
897 som_bfd_reloc_type_lookup (arch
, code
)
898 bfd_arch_info_type
*arch
;
899 bfd_reloc_code_real_type code
;
901 if ((int) code
< (int) R_NO_RELOCATION
+ 255)
903 BFD_ASSERT ((int) som_hppa_howto_table
[(int) code
].type
== (int) code
);
904 return &som_hppa_howto_table
[(int) code
];
907 return (reloc_howto_type
*) 0;
910 /* Perform some initialization for an object. Save results of this
911 initialization in the BFD. */
914 som_object_setup (abfd
, file_hdrp
, aux_hdrp
)
916 struct header
*file_hdrp
;
917 struct som_exec_auxhdr
*aux_hdrp
;
919 asection
*text
, *data
, *bss
;
921 /* som_mkobject will set bfd_error if som_mkobject fails. */
922 if (som_mkobject (abfd
) != true)
925 /* Make the standard .text, .data, and .bss sections so that tools
926 which assume those names work (size for example). They will have
927 no contents, but the sizes and such will reflect those of the
928 $CODE$, $DATA$, and $BSS$ subspaces respectively.
930 FIXME: Should check return status from bfd_make_section calls below. */
932 text
= bfd_make_section (abfd
, ".text");
933 data
= bfd_make_section (abfd
, ".data");
934 bss
= bfd_make_section (abfd
, ".bss");
936 text
->_raw_size
= aux_hdrp
->exec_tsize
;
937 data
->_raw_size
= aux_hdrp
->exec_dsize
;
938 bss
->_raw_size
= aux_hdrp
->exec_bsize
;
940 text
->flags
= (SEC_ALLOC
| SEC_LOAD
| SEC_HAS_CONTENTS
| SEC_CODE
);
941 data
->flags
= (SEC_ALLOC
| SEC_LOAD
| SEC_HAS_CONTENTS
);
942 bss
->flags
= (SEC_ALLOC
| SEC_IS_COMMON
);
944 /* The virtual memory addresses of the sections */
945 text
->vma
= aux_hdrp
->exec_tmem
;
946 data
->vma
= aux_hdrp
->exec_dmem
;
947 bss
->vma
= aux_hdrp
->exec_bfill
;
949 /* The file offsets of the sections */
950 text
->filepos
= aux_hdrp
->exec_tfile
;
951 data
->filepos
= aux_hdrp
->exec_dfile
;
953 /* The file offsets of the relocation info */
954 text
->rel_filepos
= 0;
955 data
->rel_filepos
= 0;
957 /* Set BFD flags based on what information is available in the SOM. */
958 abfd
->flags
= NO_FLAGS
;
959 if (! file_hdrp
->entry_offset
)
960 abfd
->flags
|= HAS_RELOC
;
962 abfd
->flags
|= EXEC_P
;
963 if (file_hdrp
->symbol_total
)
964 abfd
->flags
|= HAS_LINENO
| HAS_DEBUG
| HAS_SYMS
| HAS_LOCALS
;
966 bfd_get_start_address (abfd
) = aux_hdrp
->exec_entry
;
967 bfd_default_set_arch_mach (abfd
, bfd_arch_hppa
, 0);
968 bfd_get_symcount (abfd
) = file_hdrp
->symbol_total
;
970 /* Initialize the saved symbol table and string table to NULL.
971 Save important offsets and sizes from the SOM header into
973 obj_som_stringtab (abfd
) = (char *) NULL
;
974 obj_som_symtab (abfd
) = (som_symbol_type
*) NULL
;
975 obj_som_stringtab_size (abfd
) = file_hdrp
->symbol_strings_size
;
976 obj_som_sym_filepos (abfd
) = file_hdrp
->symbol_location
;
977 obj_som_str_filepos (abfd
) = file_hdrp
->symbol_strings_location
;
978 obj_som_reloc_filepos (abfd
) = file_hdrp
->fixup_request_location
;
983 /* Create a new BFD section for NAME. If NAME already exists, then create a
984 new unique name, with NAME as the prefix. This exists because SOM .o files
985 may have more than one $CODE$ subspace. */
988 make_unique_section (abfd
, name
, num
)
997 sect
= bfd_make_section (abfd
, name
);
1000 sprintf (altname
, "%s-%d", name
, num
++);
1001 sect
= bfd_make_section (abfd
, altname
);
1004 newname
= bfd_alloc (abfd
, strlen (sect
->name
) + 1);
1005 strcpy (newname
, sect
->name
);
1007 sect
->name
= newname
;
1011 /* Convert all of the space and subspace info into BFD sections. Each space
1012 contains a number of subspaces, which in turn describe the mapping between
1013 regions of the exec file, and the address space that the program runs in.
1014 BFD sections which correspond to spaces will overlap the sections for the
1015 associated subspaces. */
1018 setup_sections (abfd
, file_hdr
)
1020 struct header
*file_hdr
;
1022 char *space_strings
;
1024 unsigned int total_subspaces
= 0;
1026 /* First, read in space names */
1028 space_strings
= alloca (file_hdr
->space_strings_size
);
1032 if (bfd_seek (abfd
, file_hdr
->space_strings_location
, SEEK_SET
) < 0)
1034 if (bfd_read (space_strings
, 1, file_hdr
->space_strings_size
, abfd
)
1035 != file_hdr
->space_strings_size
)
1038 /* Loop over all of the space dictionaries, building up sections */
1039 for (space_index
= 0; space_index
< file_hdr
->space_total
; space_index
++)
1041 struct space_dictionary_record space
;
1042 struct subspace_dictionary_record subspace
, save_subspace
;
1044 asection
*space_asect
;
1046 /* Read the space dictionary element */
1047 if (bfd_seek (abfd
, file_hdr
->space_location
1048 + space_index
* sizeof space
, SEEK_SET
) < 0)
1050 if (bfd_read (&space
, 1, sizeof space
, abfd
) != sizeof space
)
1053 /* Setup the space name string */
1054 space
.name
.n_name
= space
.name
.n_strx
+ space_strings
;
1056 /* Make a section out of it */
1057 space_asect
= make_unique_section (abfd
, space
.name
.n_name
, space_index
);
1061 /* Now, read in the first subspace for this space */
1062 if (bfd_seek (abfd
, file_hdr
->subspace_location
1063 + space
.subspace_index
* sizeof subspace
,
1066 if (bfd_read (&subspace
, 1, sizeof subspace
, abfd
) != sizeof subspace
)
1068 /* Seek back to the start of the subspaces for loop below */
1069 if (bfd_seek (abfd
, file_hdr
->subspace_location
1070 + space
.subspace_index
* sizeof subspace
,
1074 /* Setup the start address and file loc from the first subspace record */
1075 space_asect
->vma
= subspace
.subspace_start
;
1076 space_asect
->filepos
= subspace
.file_loc_init_value
;
1077 space_asect
->alignment_power
= log2 (subspace
.alignment
);
1079 /* Initialize save_subspace so we can reliably determine if this
1080 loop placed any useful values into it. */
1081 bzero (&save_subspace
, sizeof (struct subspace_dictionary_record
));
1083 /* Loop over the rest of the subspaces, building up more sections */
1084 for (subspace_index
= 0; subspace_index
< space
.subspace_quantity
;
1087 asection
*subspace_asect
;
1089 /* Read in the next subspace */
1090 if (bfd_read (&subspace
, 1, sizeof subspace
, abfd
)
1094 /* Setup the subspace name string */
1095 subspace
.name
.n_name
= subspace
.name
.n_strx
+ space_strings
;
1097 /* Make a section out of this subspace */
1098 subspace_asect
= make_unique_section (abfd
, subspace
.name
.n_name
,
1099 space
.subspace_index
+ subspace_index
);
1101 if (!subspace_asect
)
1104 /* Keep an easy mapping between subspaces and sections. */
1105 som_section_data (subspace_asect
)->subspace_index
1106 = total_subspaces
++;
1108 /* Set SEC_READONLY and SEC_CODE/SEC_DATA as specified
1109 by the access_control_bits in the subspace header. */
1110 switch (subspace
.access_control_bits
>> 4)
1112 /* Readonly data. */
1114 subspace_asect
->flags
|= SEC_DATA
| SEC_READONLY
;
1119 subspace_asect
->flags
|= SEC_DATA
;
1122 /* Readonly code and the gateways.
1123 Gateways have other attributes which do not map
1124 into anything BFD knows about. */
1130 subspace_asect
->flags
|= SEC_CODE
| SEC_READONLY
;
1133 /* dynamic (writable) code. */
1135 subspace_asect
->flags
|= SEC_CODE
;
1139 if (subspace
.dup_common
|| subspace
.is_common
)
1140 subspace_asect
->flags
|= SEC_IS_COMMON
;
1142 subspace_asect
->flags
|= SEC_HAS_CONTENTS
;
1143 if (subspace
.is_loadable
)
1144 subspace_asect
->flags
|= SEC_ALLOC
| SEC_LOAD
;
1145 if (subspace
.code_only
)
1146 subspace_asect
->flags
|= SEC_CODE
;
1148 /* This subspace has relocations.
1149 The fixup_request_quantity is a byte count for the number of
1150 entries in the relocation stream; it is not the actual number
1151 of relocations in the subspace. */
1152 if (subspace
.fixup_request_quantity
!= 0)
1154 subspace_asect
->flags
|= SEC_RELOC
;
1155 subspace_asect
->rel_filepos
= subspace
.fixup_request_index
;
1156 som_section_data (subspace_asect
)->reloc_size
1157 = subspace
.fixup_request_quantity
;
1158 /* We can not determine this yet. When we read in the
1159 relocation table the correct value will be filled in. */
1160 subspace_asect
->reloc_count
= -1;
1163 /* Update save_subspace if appropriate. */
1164 if (subspace
.file_loc_init_value
> save_subspace
.file_loc_init_value
)
1165 save_subspace
= subspace
;
1167 subspace_asect
->vma
= subspace
.subspace_start
;
1168 subspace_asect
->_cooked_size
= subspace
.subspace_length
;
1169 subspace_asect
->_raw_size
= subspace
.initialization_length
;
1170 subspace_asect
->alignment_power
= log2 (subspace
.alignment
);
1171 subspace_asect
->filepos
= subspace
.file_loc_init_value
;
1174 /* Yow! there is no subspace within the space which actually
1175 has initialized information in it; this should never happen
1176 as far as I know. */
1177 if (!save_subspace
.file_loc_init_value
)
1180 /* Setup the sizes for the space section based upon the info in the
1181 last subspace of the space. */
1182 space_asect
->_cooked_size
= save_subspace
.subspace_start
1183 - space_asect
->vma
+ save_subspace
.subspace_length
;
1184 space_asect
->_raw_size
= save_subspace
.file_loc_init_value
1185 - space_asect
->filepos
+ save_subspace
.initialization_length
;
1190 /* Read in a SOM object and make it into a BFD. */
1196 struct header file_hdr
;
1197 struct som_exec_auxhdr aux_hdr
;
1199 if (bfd_read ((PTR
) & file_hdr
, 1, FILE_HDR_SIZE
, abfd
) != FILE_HDR_SIZE
)
1201 bfd_error
= system_call_error
;
1205 if (!_PA_RISC_ID (file_hdr
.system_id
))
1207 bfd_error
= wrong_format
;
1211 switch (file_hdr
.a_magic
)
1228 bfd_error
= wrong_format
;
1232 if (file_hdr
.version_id
!= VERSION_ID
1233 && file_hdr
.version_id
!= NEW_VERSION_ID
)
1235 bfd_error
= wrong_format
;
1239 /* If the aux_header_size field in the file header is zero, then this
1240 object is an incomplete executable (a .o file). Do not try to read
1241 a non-existant auxiliary header. */
1242 bzero (&aux_hdr
, sizeof (struct som_exec_auxhdr
));
1243 if (file_hdr
.aux_header_size
!= 0)
1245 if (bfd_read ((PTR
) & aux_hdr
, 1, AUX_HDR_SIZE
, abfd
) != AUX_HDR_SIZE
)
1247 bfd_error
= wrong_format
;
1252 if (!setup_sections (abfd
, &file_hdr
))
1254 /* setup_sections does not bubble up a bfd error code. */
1255 bfd_error
= bad_value
;
1259 /* This appears to be a valid SOM object. Do some initialization. */
1260 return som_object_setup (abfd
, &file_hdr
, &aux_hdr
);
1263 /* Create a SOM object. */
1269 /* Allocate memory to hold backend information. */
1270 abfd
->tdata
.som_data
= (struct som_data_struct
*)
1271 bfd_zalloc (abfd
, sizeof (struct som_data_struct
));
1272 if (abfd
->tdata
.som_data
== NULL
)
1274 bfd_error
= no_memory
;
1277 obj_som_file_hdr (abfd
) = bfd_zalloc (abfd
, sizeof (struct header
));
1278 if (obj_som_file_hdr (abfd
) == NULL
)
1281 bfd_error
= no_memory
;
1287 /* Initialize some information in the file header. This routine makes
1288 not attempt at doing the right thing for a full executable; it
1289 is only meant to handle relocatable objects. */
1292 som_prep_headers (abfd
)
1295 struct header
*file_hdr
= obj_som_file_hdr (abfd
);
1298 /* FIXME. This should really be conditional based on whether or not
1299 PA1.1 instructions/registers have been used. */
1300 file_hdr
->system_id
= HP9000S800_ID
;
1302 /* FIXME. Only correct for building relocatable objects. */
1303 if (abfd
->flags
& EXEC_P
)
1306 file_hdr
->a_magic
= RELOC_MAGIC
;
1308 /* Only new format SOM is supported. */
1309 file_hdr
->version_id
= NEW_VERSION_ID
;
1311 /* These fields are optional, and embedding timestamps is not always
1312 a wise thing to do, it makes comparing objects during a multi-stage
1313 bootstrap difficult. */
1314 file_hdr
->file_time
.secs
= 0;
1315 file_hdr
->file_time
.nanosecs
= 0;
1317 if (abfd
->flags
& EXEC_P
)
1321 file_hdr
->entry_space
= 0;
1322 file_hdr
->entry_subspace
= 0;
1323 file_hdr
->entry_offset
= 0;
1326 /* FIXME. I do not know if we ever need to put anything other
1327 than zero in this field. */
1328 file_hdr
->presumed_dp
= 0;
1330 /* Now iterate over the sections translating information from
1331 BFD sections to SOM spaces/subspaces. */
1333 for (section
= abfd
->sections
; section
!= NULL
; section
= section
->next
)
1335 /* Ignore anything which has not been marked as a space or
1337 if (som_section_data (section
)->is_space
== 0
1339 && som_section_data (section
)->is_subspace
== 0)
1342 if (som_section_data (section
)->is_space
)
1344 /* Set space attributes. Note most attributes of SOM spaces
1345 are set based on the subspaces it contains. */
1346 som_section_data (section
)->space_dict
.loader_fix_index
= -1;
1347 som_section_data (section
)->space_dict
.init_pointer_index
= -1;
1351 /* Set subspace attributes. Basic stuff is done here, additional
1352 attributes are filled in later as more information becomes
1354 if (section
->flags
& SEC_IS_COMMON
)
1356 som_section_data (section
)->subspace_dict
.dup_common
= 1;
1357 som_section_data (section
)->subspace_dict
.is_common
= 1;
1360 if (section
->flags
& SEC_ALLOC
)
1361 som_section_data (section
)->subspace_dict
.is_loadable
= 1;
1363 if (section
->flags
& SEC_CODE
)
1364 som_section_data (section
)->subspace_dict
.code_only
= 1;
1366 som_section_data (section
)->subspace_dict
.subspace_start
=
1368 som_section_data (section
)->subspace_dict
.subspace_length
=
1369 bfd_section_size (abfd
, section
);
1370 som_section_data (section
)->subspace_dict
.initialization_length
=
1371 bfd_section_size (abfd
, section
);
1372 som_section_data (section
)->subspace_dict
.alignment
=
1373 1 << section
->alignment_power
;
1379 /* Count and return the number of spaces attached to the given BFD. */
1381 static unsigned long
1382 som_count_spaces (abfd
)
1388 for (section
= abfd
->sections
; section
!= NULL
; section
= section
->next
)
1389 count
+= som_section_data (section
)->is_space
;
1394 /* Count the number of subspaces attached to the given BFD. */
1396 static unsigned long
1397 som_count_subspaces (abfd
)
1403 for (section
= abfd
->sections
; section
!= NULL
; section
= section
->next
)
1404 count
+= som_section_data (section
)->is_subspace
;
1409 /* Return -1, 0, 1 indicating the relative ordering of sym1 and sym2.
1411 We desire symbols to be ordered starting with the symbol with the
1412 highest relocation count down to the symbol with the lowest relocation
1413 count. Doing so compacts the relocation stream. */
1416 compare_syms (sym1
, sym2
)
1421 unsigned int count1
, count2
;
1423 /* Get relocation count for each symbol. Note that the count
1424 is stored in the udata pointer for section symbols! */
1425 if ((*sym1
)->flags
& BSF_SECTION_SYM
)
1426 count1
= (int)(*sym1
)->udata
;
1428 count1
= (*som_symbol_data ((*sym1
)))->reloc_count
;
1430 if ((*sym2
)->flags
& BSF_SECTION_SYM
)
1431 count2
= (int)(*sym2
)->udata
;
1433 count2
= (*som_symbol_data ((*sym2
)))->reloc_count
;
1435 /* Return the appropriate value. */
1436 if (count1
< count2
)
1438 else if (count1
> count2
)
1443 static unsigned long
1444 som_compute_checksum (abfd
)
1447 unsigned long checksum
, count
, i
;
1448 unsigned long *buffer
= (unsigned long *) obj_som_file_hdr (abfd
);
1451 count
= sizeof (struct header
) / sizeof (unsigned long);
1452 for (i
= 0; i
< count
; i
++)
1453 checksum
^= *(buffer
+ i
);
1459 som_write_object_contents (abfd
)
1462 fprintf (stderr
, "som_write_object_contents unimplemented\n");
1467 /* Read and save the string table associated with the given BFD. */
1470 som_slurp_string_table (abfd
)
1475 /* Use the saved version if its available. */
1476 if (obj_som_stringtab (abfd
) != NULL
)
1479 /* Allocate and read in the string table. */
1480 stringtab
= bfd_zalloc (abfd
, obj_som_stringtab_size (abfd
));
1481 if (stringtab
== NULL
)
1483 bfd_error
= no_memory
;
1487 if (bfd_seek (abfd
, obj_som_str_filepos (abfd
), SEEK_SET
) < 0)
1489 bfd_error
= system_call_error
;
1493 if (bfd_read (stringtab
, obj_som_stringtab_size (abfd
), 1, abfd
)
1494 != obj_som_stringtab_size (abfd
))
1496 bfd_error
= system_call_error
;
1500 /* Save our results and return success. */
1501 obj_som_stringtab (abfd
) = stringtab
;
1505 /* Return the amount of data (in bytes) required to hold the symbol
1506 table for this object. */
1509 som_get_symtab_upper_bound (abfd
)
1512 if (!som_slurp_symbol_table (abfd
))
1515 return (bfd_get_symcount (abfd
) + 1) * (sizeof (som_symbol_type
*));
1518 /* Convert from a SOM subspace index to a BFD section. */
1521 som_section_from_subspace_index (abfd
, index
)
1527 for (section
= abfd
->sections
; section
!= NULL
; section
= section
->next
)
1528 if (som_section_data (section
)->subspace_index
== index
)
1531 /* Should never happen. */
1535 /* Read and save the symbol table associated with the given BFD. */
1538 som_slurp_symbol_table (abfd
)
1541 int symbol_count
= bfd_get_symcount (abfd
);
1542 int symsize
= sizeof (struct symbol_dictionary_record
);
1544 struct symbol_dictionary_record
*buf
, *bufp
, *endbufp
;
1545 som_symbol_type
*sym
, *symbase
;
1547 /* Return saved value if it exists. */
1548 if (obj_som_symtab (abfd
) != NULL
)
1551 /* Sanity checking. Make sure there are some symbols and that
1552 we can read the string table too. */
1553 if (symbol_count
== 0)
1555 bfd_error
= no_symbols
;
1559 if (!som_slurp_string_table (abfd
))
1562 stringtab
= obj_som_stringtab (abfd
);
1564 symbase
= (som_symbol_type
*)
1565 bfd_zalloc (abfd
, symbol_count
* sizeof (som_symbol_type
));
1566 if (symbase
== NULL
)
1568 bfd_error
= no_memory
;
1572 /* Read in the external SOM representation. */
1573 buf
= alloca (symbol_count
* symsize
);
1576 bfd_error
= no_memory
;
1579 if (bfd_seek (abfd
, obj_som_sym_filepos (abfd
), SEEK_SET
) < 0)
1581 bfd_error
= system_call_error
;
1584 if (bfd_read (buf
, symbol_count
* symsize
, 1, abfd
)
1585 != symbol_count
* symsize
)
1587 bfd_error
= no_symbols
;
1591 /* Iterate over all the symbols and internalize them. */
1592 endbufp
= buf
+ symbol_count
;
1593 for (bufp
= buf
, sym
= symbase
; bufp
< endbufp
; ++bufp
)
1596 /* I don't think we care about these. */
1597 if (bufp
->symbol_type
== ST_SYM_EXT
1598 || bufp
->symbol_type
== ST_ARG_EXT
)
1601 /* Some reasonable defaults. */
1602 sym
->symbol
.the_bfd
= abfd
;
1603 sym
->symbol
.name
= bufp
->name
.n_strx
+ stringtab
;
1604 sym
->symbol
.value
= bufp
->symbol_value
;
1605 sym
->symbol
.section
= 0;
1606 sym
->symbol
.flags
= 0;
1608 switch (bufp
->symbol_type
)
1611 sym
->symbol
.flags
|= BSF_FUNCTION
;
1612 sym
->symbol
.value
&= ~0x3;
1620 sym
->symbol
.value
&= ~0x3;
1626 /* Handle scoping and section information. */
1627 switch (bufp
->symbol_scope
)
1629 /* symbol_info field is undefined for SS_EXTERNAL and SS_UNSAT symbols,
1630 so the section associated with this symbol can't be known. */
1633 sym
->symbol
.flags
|= (BSF_EXPORT
| BSF_GLOBAL
);
1637 sym
->symbol
.flags
|= (BSF_EXPORT
| BSF_GLOBAL
);
1639 = som_section_from_subspace_index (abfd
, bufp
->symbol_info
);
1640 sym
->symbol
.value
-= sym
->symbol
.section
->vma
;
1644 /* SS_GLOBAL and SS_LOCAL are two names for the same thing.
1645 Sound dumb? It is. */
1649 sym
->symbol
.flags
|= BSF_LOCAL
;
1651 = som_section_from_subspace_index (abfd
, bufp
->symbol_info
);
1652 sym
->symbol
.value
-= sym
->symbol
.section
->vma
;
1656 /* Mark symbols left around by the debugger. */
1657 if (strlen (sym
->symbol
.name
) >= 3
1658 && sym
->symbol
.name
[0] == 'L'
1659 && (sym
->symbol
.name
[2] == '$' || sym
->symbol
.name
[3] == '$'))
1660 sym
->symbol
.flags
|= BSF_DEBUGGING
;
1662 /* Note increment at bottom of loop, since we skip some symbols
1663 we can not include it as part of the for statement. */
1667 /* Save our results and return success. */
1668 obj_som_symtab (abfd
) = symbase
;
1672 /* Canonicalize a SOM symbol table. Return the number of entries
1673 in the symbol table. */
1676 som_get_symtab (abfd
, location
)
1681 som_symbol_type
*symbase
;
1683 if (!som_slurp_symbol_table (abfd
))
1686 i
= bfd_get_symcount (abfd
);
1687 symbase
= obj_som_symtab (abfd
);
1689 for (; i
> 0; i
--, location
++, symbase
++)
1690 *location
= &symbase
->symbol
;
1692 /* Final null pointer. */
1694 return (bfd_get_symcount (abfd
));
1697 /* Make a SOM symbol. There is nothing special to do here. */
1700 som_make_empty_symbol (abfd
)
1703 som_symbol_type
*new =
1704 (som_symbol_type
*) bfd_zalloc (abfd
, sizeof (som_symbol_type
));
1707 bfd_error
= no_memory
;
1710 new->symbol
.the_bfd
= abfd
;
1712 return &new->symbol
;
1715 /* Print symbol information. */
1718 som_print_symbol (ignore_abfd
, afile
, symbol
, how
)
1722 bfd_print_symbol_type how
;
1724 FILE *file
= (FILE *) afile
;
1727 case bfd_print_symbol_name
:
1728 fprintf (file
, "%s", symbol
->name
);
1730 case bfd_print_symbol_more
:
1731 fprintf (file
, "som ");
1732 fprintf_vma (file
, symbol
->value
);
1733 fprintf (file
, " %lx", (long) symbol
->flags
);
1735 case bfd_print_symbol_all
:
1737 CONST
char *section_name
;
1738 section_name
= symbol
->section
? symbol
->section
->name
: "(*none*)";
1739 bfd_print_symbol_vandf ((PTR
) file
, symbol
);
1740 fprintf (file
, " %s\t%s", section_name
, symbol
->name
);
1747 som_get_reloc_upper_bound (abfd
, asect
)
1751 fprintf (stderr
, "som_get_reloc_upper_bound unimplemented\n");
1758 som_canonicalize_reloc (abfd
, section
, relptr
, symbols
)
1764 fprintf (stderr
, "som_canonicalize_reloc unimplemented\n");
1769 extern bfd_target som_vec
;
1771 /* A hook to set up object file dependent section information. */
1774 som_new_section_hook (abfd
, newsect
)
1778 newsect
->used_by_bfd
= (struct som_section_data_struct
*)
1779 bfd_zalloc (abfd
, sizeof (struct som_section_data_struct
));
1780 newsect
->alignment_power
= 3;
1782 /* Initialize the subspace_index field to -1 so that it does
1783 not match a subspace with an index of 0. */
1784 som_section_data (newsect
)->subspace_index
= -1;
1786 /* We allow more than three sections internally */
1790 /* Set backend info for sections which can not be described
1791 in the BFD data structures. */
1794 bfd_som_set_section_attributes (section
, defined
, private, sort_key
, spnum
)
1798 unsigned char sort_key
;
1801 struct space_dictionary_record
*space_dict
;
1803 som_section_data (section
)->is_space
= 1;
1804 space_dict
= &som_section_data (section
)->space_dict
;
1805 space_dict
->is_defined
= defined
;
1806 space_dict
->is_private
= private;
1807 space_dict
->sort_key
= sort_key
;
1808 space_dict
->space_number
= spnum
;
1811 /* Set backend info for subsections which can not be described
1812 in the BFD data structures. */
1815 bfd_som_set_subsection_attributes (section
, container
, access
,
1818 asection
*container
;
1820 unsigned char sort_key
;
1823 struct subspace_dictionary_record
*subspace_dict
;
1824 som_section_data (section
)->is_subspace
= 1;
1825 subspace_dict
= &som_section_data (section
)->subspace_dict
;
1826 subspace_dict
->access_control_bits
= access
;
1827 subspace_dict
->sort_key
= sort_key
;
1828 subspace_dict
->quadrant
= quadrant
;
1829 som_section_data (section
)->containing_space
= container
;
1832 /* Set the full SOM symbol type. SOM needs far more symbol information
1833 than any other object file format I'm aware of. It is mandatory
1834 to be able to know if a symbol is an entry point, millicode, data,
1835 code, absolute, storage request, or procedure label. If you get
1836 the symbol type wrong your program will not link. */
1839 bfd_som_set_symbol_type (symbol
, type
)
1843 (*som_symbol_data (symbol
))->som_type
= type
;
1846 /* Attach 64bits of unwind information to a symbol (which hopefully
1847 is a function of some kind!). It would be better to keep this
1848 in the R_ENTRY relocation, but there is not enough space. */
1851 bfd_som_attach_unwind_info (symbol
, unwind_desc
)
1855 (*som_symbol_data (symbol
))->unwind
= unwind_desc
;
1859 som_set_section_contents (abfd
, section
, location
, offset
, count
)
1864 bfd_size_type count
;
1866 fprintf (stderr
, "som_set_section_contents unimplimented\n");
1873 som_set_arch_mach (abfd
, arch
, machine
)
1875 enum bfd_architecture arch
;
1876 unsigned long machine
;
1878 /* Allow any architecture to be supported by the SOM backend */
1879 return bfd_default_set_arch_mach (abfd
, arch
, machine
);
1883 som_find_nearest_line (abfd
, section
, symbols
, offset
, filename_ptr
,
1884 functionname_ptr
, line_ptr
)
1889 CONST
char **filename_ptr
;
1890 CONST
char **functionname_ptr
;
1891 unsigned int *line_ptr
;
1893 fprintf (stderr
, "som_find_nearest_line unimplemented\n");
1900 som_sizeof_headers (abfd
, reloc
)
1904 fprintf (stderr
, "som_sizeof_headers unimplemented\n");
1910 /* Return information about SOM symbol SYMBOL in RET. */
1913 som_get_symbol_info (ignore_abfd
, symbol
, ret
)
1914 bfd
*ignore_abfd
; /* Ignored. */
1918 bfd_symbol_info (symbol
, ret
);
1921 /* End of miscellaneous support functions. */
1923 #define som_bfd_debug_info_start bfd_void
1924 #define som_bfd_debug_info_end bfd_void
1925 #define som_bfd_debug_info_accumulate (PROTO(void,(*),(bfd*, struct sec *))) bfd_void
1927 #define som_openr_next_archived_file bfd_generic_openr_next_archived_file
1928 #define som_generic_stat_arch_elt bfd_generic_stat_arch_elt
1929 #define som_slurp_armap bfd_false
1930 #define som_slurp_extended_name_table _bfd_slurp_extended_name_table
1931 #define som_truncate_arname (void (*)())bfd_nullvoidptr
1932 #define som_write_armap 0
1934 #define som_get_lineno (struct lineno_cache_entry *(*)())bfd_nullvoidptr
1935 #define som_close_and_cleanup bfd_generic_close_and_cleanup
1936 #define som_get_section_contents bfd_generic_get_section_contents
1938 #define som_bfd_get_relocated_section_contents \
1939 bfd_generic_get_relocated_section_contents
1940 #define som_bfd_relax_section bfd_generic_relax_section
1941 #define som_bfd_seclet_link bfd_generic_seclet_link
1942 #define som_bfd_reloc_type_lookup \
1943 ((CONST struct reloc_howto_struct *(*) PARAMS ((bfd *, bfd_reloc_code_real_type))) bfd_nullvoidptr)
1944 #define som_bfd_make_debug_symbol \
1945 ((asymbol *(*) PARAMS ((bfd *, void *, unsigned long))) bfd_nullvoidptr)
1947 /* Core file support is in the hpux-core backend. */
1948 #define som_core_file_failing_command _bfd_dummy_core_file_failing_command
1949 #define som_core_file_failing_signal _bfd_dummy_core_file_failing_signal
1950 #define som_core_file_matches_executable_p _bfd_dummy_core_file_matches_executable_p
1952 bfd_target som_vec
=
1955 bfd_target_som_flavour
,
1956 true, /* target byte order */
1957 true, /* target headers byte order */
1958 (HAS_RELOC
| EXEC_P
| /* object flags */
1959 HAS_LINENO
| HAS_DEBUG
|
1960 HAS_SYMS
| HAS_LOCALS
| WP_TEXT
| D_PAGED
),
1961 (SEC_CODE
| SEC_DATA
| SEC_ROM
| SEC_HAS_CONTENTS
1962 | SEC_ALLOC
| SEC_LOAD
| SEC_RELOC
), /* section flags */
1964 /* leading_symbol_char: is the first char of a user symbol
1965 predictable, and if so what is it */
1967 ' ', /* ar_pad_char */
1968 16, /* ar_max_namelen */
1969 3, /* minimum alignment */
1970 bfd_getb64
, bfd_getb_signed_64
, bfd_putb64
,
1971 bfd_getb32
, bfd_getb_signed_32
, bfd_putb32
,
1972 bfd_getb16
, bfd_getb_signed_16
, bfd_putb16
, /* data */
1973 bfd_getb64
, bfd_getb_signed_64
, bfd_putb64
,
1974 bfd_getb32
, bfd_getb_signed_32
, bfd_putb32
,
1975 bfd_getb16
, bfd_getb_signed_16
, bfd_putb16
, /* hdrs */
1977 som_object_p
, /* bfd_check_format */
1978 bfd_generic_archive_p
,
1984 _bfd_generic_mkarchive
,
1989 som_write_object_contents
,
1990 _bfd_write_archive_contents
,
1998 #endif /* HOST_HPPAHPUX || HOST_HPPABSD */