Commit | Line | Data |
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d9ad93bc KR |
1 | /* bfd back-end for HP PA-RISC SOM objects. |
2 | Copyright (C) 1990, 1991, 1992, 1993 Free Software Foundation, Inc. | |
3 | ||
4 | Contributed by the Center for Software Science at the | |
5 | University of Utah (pa-gdb-bugs@cs.utah.edu). | |
6 | ||
9e16fcf1 | 7 | This file is part of BFD, the Binary File Descriptor library. |
d9ad93bc | 8 | |
9e16fcf1 SG |
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. | |
d9ad93bc | 13 | |
9e16fcf1 SG |
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. | |
d9ad93bc | 18 | |
9e16fcf1 SG |
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. */ | |
d9ad93bc KR |
22 | |
23 | #include "bfd.h" | |
24 | #include "sysdep.h" | |
25 | ||
d9ad93bc KR |
26 | #if defined (HOST_HPPAHPUX) || defined (HOST_HPPABSD) |
27 | ||
28 | #include "libbfd.h" | |
29 | #include "som.h" | |
70f1d738 | 30 | #include "libhppa.h" |
d9ad93bc KR |
31 | |
32 | #include <stdio.h> | |
33 | #include <sys/types.h> | |
34 | #include <sys/param.h> | |
35 | #include <sys/dir.h> | |
36 | #include <signal.h> | |
37 | #include <machine/reg.h> | |
38 | #include <sys/user.h> /* After a.out.h */ | |
39 | #include <sys/file.h> | |
40 | #include <errno.h> | |
41 | ||
42 | /* Magic not defined in standard HP-UX header files until 8.0 */ | |
43 | ||
44 | #ifndef CPU_PA_RISC1_0 | |
45 | #define CPU_PA_RISC1_0 0x20B | |
46 | #endif /* CPU_PA_RISC1_0 */ | |
47 | ||
48 | #ifndef CPU_PA_RISC1_1 | |
49 | #define CPU_PA_RISC1_1 0x210 | |
50 | #endif /* CPU_PA_RISC1_1 */ | |
51 | ||
52 | #ifndef _PA_RISC1_0_ID | |
53 | #define _PA_RISC1_0_ID CPU_PA_RISC1_0 | |
54 | #endif /* _PA_RISC1_0_ID */ | |
55 | ||
56 | #ifndef _PA_RISC1_1_ID | |
57 | #define _PA_RISC1_1_ID CPU_PA_RISC1_1 | |
58 | #endif /* _PA_RISC1_1_ID */ | |
59 | ||
60 | #ifndef _PA_RISC_MAXID | |
61 | #define _PA_RISC_MAXID 0x2FF | |
62 | #endif /* _PA_RISC_MAXID */ | |
63 | ||
64 | #ifndef _PA_RISC_ID | |
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 */ | |
69 | ||
4fdb66cd JL |
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. | |
74 | ||
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. */ | |
77 | struct reloc_queue | |
78 | { | |
79 | unsigned char *reloc; | |
80 | unsigned int size; | |
81 | } reloc_queue[4]; | |
82 | ||
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). */ | |
86 | typedef enum | |
87 | { | |
88 | SYMBOL_TYPE_UNKNOWN, | |
89 | SYMBOL_TYPE_ABSOLUTE, | |
90 | SYMBOL_TYPE_CODE, | |
91 | SYMBOL_TYPE_DATA, | |
92 | SYMBOL_TYPE_ENTRY, | |
93 | SYMBOL_TYPE_MILLICODE, | |
94 | SYMBOL_TYPE_PLABEL, | |
95 | SYMBOL_TYPE_PRI_PROG, | |
96 | SYMBOL_TYPE_SEC_PROG, | |
97 | } pa_symbol_type; | |
98 | ||
9e16fcf1 SG |
99 | /* Forward declarations */ |
100 | ||
101 | static boolean som_mkobject PARAMS ((bfd *)); | |
102 | static bfd_target * som_object_setup PARAMS ((bfd *, | |
103 | struct header *, | |
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, | |
123 | unsigned long)); | |
124 | static boolean som_find_nearest_line PARAMS ((bfd *, asection *, | |
125 | asymbol **, bfd_vma, | |
126 | CONST char **, | |
127 | CONST char **, | |
128 | unsigned int *)); | |
129 | static void som_get_symbol_info PARAMS ((bfd *, asymbol *, symbol_info *)); | |
130 | static asection * som_section_from_subspace_index PARAMS ((bfd *, | |
131 | unsigned int)); | |
132 | static int log2 PARAMS ((unsigned int)); | |
fcb0c846 JL |
133 | static bfd_reloc_status_type hppa_som_reloc PARAMS ((bfd *, arelent *, |
134 | asymbol *, PTR, | |
135 | asection *, bfd *)); | |
d125665c JL |
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 *)); | |
54bbfd37 JL |
142 | static unsigned char * try_prev_fixup PARAMS ((bfd *, int *, unsigned char *, |
143 | unsigned int, | |
144 | struct reloc_queue *)); | |
145 | ||
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 *, | |
150 | unsigned int *, | |
151 | struct reloc_queue *)); | |
7057b78f JL |
152 | static unsigned char * som_reloc_call PARAMS ((bfd *, unsigned char *, |
153 | unsigned int *, | |
154 | arelent *, int, | |
155 | struct reloc_queue *)); | |
5532fc5a JL |
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 *)); | |
0ffa24b9 | 160 | static boolean som_prep_headers PARAMS ((bfd *)); |
2212ff92 | 161 | static int som_sizeof_headers PARAMS ((bfd *, boolean)); |
efc0df7c | 162 | static boolean som_write_headers PARAMS ((bfd *)); |
713de7ec JL |
163 | static boolean som_build_and_write_symbol_table PARAMS ((bfd *)); |
164 | ||
2212ff92 | 165 | |
fcb0c846 JL |
166 | static reloc_howto_type som_hppa_howto_table[] = |
167 | { | |
168 | {R_NO_RELOCATION, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_NO_RELOCATION"}, | |
169 | {R_NO_RELOCATION, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_NO_RELOCATION"}, | |
170 | {R_NO_RELOCATION, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_NO_RELOCATION"}, | |
171 | {R_NO_RELOCATION, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_NO_RELOCATION"}, | |
172 | {R_NO_RELOCATION, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_NO_RELOCATION"}, | |
173 | {R_NO_RELOCATION, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_NO_RELOCATION"}, | |
174 | {R_NO_RELOCATION, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_NO_RELOCATION"}, | |
175 | {R_NO_RELOCATION, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_NO_RELOCATION"}, | |
176 | {R_NO_RELOCATION, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_NO_RELOCATION"}, | |
177 | {R_NO_RELOCATION, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_NO_RELOCATION"}, | |
178 | {R_NO_RELOCATION, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_NO_RELOCATION"}, | |
179 | {R_NO_RELOCATION, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_NO_RELOCATION"}, | |
180 | {R_NO_RELOCATION, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_NO_RELOCATION"}, | |
181 | {R_NO_RELOCATION, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_NO_RELOCATION"}, | |
182 | {R_NO_RELOCATION, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_NO_RELOCATION"}, | |
183 | {R_NO_RELOCATION, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_NO_RELOCATION"}, | |
184 | {R_NO_RELOCATION, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_NO_RELOCATION"}, | |
185 | {R_NO_RELOCATION, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_NO_RELOCATION"}, | |
186 | {R_NO_RELOCATION, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_NO_RELOCATION"}, | |
187 | {R_NO_RELOCATION, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_NO_RELOCATION"}, | |
188 | {R_NO_RELOCATION, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_NO_RELOCATION"}, | |
189 | {R_NO_RELOCATION, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_NO_RELOCATION"}, | |
190 | {R_NO_RELOCATION, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_NO_RELOCATION"}, | |
191 | {R_NO_RELOCATION, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_NO_RELOCATION"}, | |
192 | {R_NO_RELOCATION, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_NO_RELOCATION"}, | |
193 | {R_NO_RELOCATION, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_NO_RELOCATION"}, | |
194 | {R_NO_RELOCATION, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_NO_RELOCATION"}, | |
195 | {R_NO_RELOCATION, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_NO_RELOCATION"}, | |
196 | {R_NO_RELOCATION, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_NO_RELOCATION"}, | |
197 | {R_NO_RELOCATION, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_NO_RELOCATION"}, | |
198 | {R_NO_RELOCATION, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_NO_RELOCATION"}, | |
199 | {R_NO_RELOCATION, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_NO_RELOCATION"}, | |
200 | {R_ZEROES, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_ZEROES"}, | |
201 | {R_ZEROES, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_ZEROES"}, | |
202 | {R_UNINIT, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_UNINIT"}, | |
203 | {R_UNINIT, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_UNINIT"}, | |
204 | {R_RELOCATION, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RELOCATION"}, | |
205 | {R_DATA_ONE_SYMBOL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DATA_ONE_SYMBOL"}, | |
206 | {R_DATA_ONE_SYMBOL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DATA_ONE_SYMBOL"}, | |
207 | {R_DATA_PLABEL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DATA_PLABEL"}, | |
208 | {R_DATA_PLABEL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DATA_PLABEL"}, | |
209 | {R_SPACE_REF, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_SPACE_REF"}, | |
210 | {R_REPEATED_INIT, 0, 0, 32, false, 0, 0, hppa_som_reloc, "REPEATED_INIT"}, | |
211 | {R_REPEATED_INIT, 0, 0, 32, false, 0, 0, hppa_som_reloc, "REPEATED_INIT"}, | |
212 | {R_REPEATED_INIT, 0, 0, 32, false, 0, 0, hppa_som_reloc, "REPEATED_INIT"}, | |
213 | {R_REPEATED_INIT, 0, 0, 32, false, 0, 0, hppa_som_reloc, "REPEATED_INIT"}, | |
214 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
215 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
216 | {R_PCREL_CALL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_PCREL_CALL"}, | |
217 | {R_PCREL_CALL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_PCREL_CALL"}, | |
218 | {R_PCREL_CALL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_PCREL_CALL"}, | |
219 | {R_PCREL_CALL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_PCREL_CALL"}, | |
220 | {R_PCREL_CALL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_PCREL_CALL"}, | |
221 | {R_PCREL_CALL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_PCREL_CALL"}, | |
222 | {R_PCREL_CALL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_PCREL_CALL"}, | |
223 | {R_PCREL_CALL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_PCREL_CALL"}, | |
224 | {R_PCREL_CALL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_PCREL_CALL"}, | |
225 | {R_PCREL_CALL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_PCREL_CALL"}, | |
226 | {R_PCREL_CALL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_PCREL_CALL"}, | |
227 | {R_PCREL_CALL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_PCREL_CALL"}, | |
228 | {R_PCREL_CALL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_PCREL_CALL"}, | |
229 | {R_PCREL_CALL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_PCREL_CALL"}, | |
230 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
231 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
232 | {R_ABS_CALL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_ABS_CALL"}, | |
233 | {R_ABS_CALL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_ABS_CALL"}, | |
234 | {R_ABS_CALL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_ABS_CALL"}, | |
235 | {R_ABS_CALL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_ABS_CALL"}, | |
236 | {R_ABS_CALL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_ABS_CALL"}, | |
237 | {R_ABS_CALL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_ABS_CALL"}, | |
238 | {R_ABS_CALL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_ABS_CALL"}, | |
239 | {R_ABS_CALL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_ABS_CALL"}, | |
240 | {R_ABS_CALL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_ABS_CALL"}, | |
241 | {R_ABS_CALL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_ABS_CALL"}, | |
242 | {R_ABS_CALL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_ABS_CALL"}, | |
243 | {R_ABS_CALL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_ABS_CALL"}, | |
244 | {R_ABS_CALL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_ABS_CALL"}, | |
245 | {R_ABS_CALL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_ABS_CALL"}, | |
246 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
247 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
248 | {R_DP_RELATIVE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DP_RELATIVE"}, | |
249 | {R_DP_RELATIVE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DP_RELATIVE"}, | |
250 | {R_DP_RELATIVE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DP_RELATIVE"}, | |
251 | {R_DP_RELATIVE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DP_RELATIVE"}, | |
252 | {R_DP_RELATIVE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DP_RELATIVE"}, | |
253 | {R_DP_RELATIVE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DP_RELATIVE"}, | |
254 | {R_DP_RELATIVE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DP_RELATIVE"}, | |
255 | {R_DP_RELATIVE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DP_RELATIVE"}, | |
256 | {R_DP_RELATIVE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DP_RELATIVE"}, | |
257 | {R_DP_RELATIVE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DP_RELATIVE"}, | |
258 | {R_DP_RELATIVE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DP_RELATIVE"}, | |
259 | {R_DP_RELATIVE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DP_RELATIVE"}, | |
260 | {R_DP_RELATIVE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DP_RELATIVE"}, | |
261 | {R_DP_RELATIVE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DP_RELATIVE"}, | |
262 | {R_DP_RELATIVE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DP_RELATIVE"}, | |
263 | {R_DP_RELATIVE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DP_RELATIVE"}, | |
264 | {R_DP_RELATIVE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DP_RELATIVE"}, | |
265 | {R_DP_RELATIVE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DP_RELATIVE"}, | |
266 | {R_DP_RELATIVE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DP_RELATIVE"}, | |
267 | {R_DP_RELATIVE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DP_RELATIVE"}, | |
268 | {R_DP_RELATIVE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DP_RELATIVE"}, | |
269 | {R_DP_RELATIVE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DP_RELATIVE"}, | |
270 | {R_DP_RELATIVE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DP_RELATIVE"}, | |
271 | {R_DP_RELATIVE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DP_RELATIVE"}, | |
272 | {R_DP_RELATIVE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DP_RELATIVE"}, | |
273 | {R_DP_RELATIVE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DP_RELATIVE"}, | |
274 | {R_DP_RELATIVE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DP_RELATIVE"}, | |
275 | {R_DP_RELATIVE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DP_RELATIVE"}, | |
276 | {R_DP_RELATIVE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DP_RELATIVE"}, | |
277 | {R_DP_RELATIVE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DP_RELATIVE"}, | |
278 | {R_DP_RELATIVE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DP_RELATIVE"}, | |
279 | {R_DP_RELATIVE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DP_RELATIVE"}, | |
280 | {R_DP_RELATIVE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DP_RELATIVE"}, | |
281 | {R_DP_RELATIVE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DP_RELATIVE"}, | |
282 | {R_DP_RELATIVE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DP_RELATIVE"}, | |
283 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
284 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
285 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
286 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
287 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
288 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
289 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
290 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
291 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
292 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
293 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
294 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
295 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
296 | {R_CODE_ONE_SYMBOL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_CODE_ONE_SYMBOL"}, | |
297 | {R_CODE_ONE_SYMBOL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_CODE_ONE_SYMBOL"}, | |
298 | {R_CODE_ONE_SYMBOL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_CODE_ONE_SYMBOL"}, | |
299 | {R_CODE_ONE_SYMBOL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_CODE_ONE_SYMBOL"}, | |
300 | {R_CODE_ONE_SYMBOL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_CODE_ONE_SYMBOL"}, | |
301 | {R_CODE_ONE_SYMBOL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_CODE_ONE_SYMBOL"}, | |
302 | {R_CODE_ONE_SYMBOL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_CODE_ONE_SYMBOL"}, | |
303 | {R_CODE_ONE_SYMBOL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_CODE_ONE_SYMBOL"}, | |
304 | {R_CODE_ONE_SYMBOL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_CODE_ONE_SYMBOL"}, | |
305 | {R_CODE_ONE_SYMBOL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_CODE_ONE_SYMBOL"}, | |
306 | {R_CODE_ONE_SYMBOL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_CODE_ONE_SYMBOL"}, | |
307 | {R_CODE_ONE_SYMBOL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_CODE_ONE_SYMBOL"}, | |
308 | {R_CODE_ONE_SYMBOL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_CODE_ONE_SYMBOL"}, | |
309 | {R_CODE_ONE_SYMBOL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_CODE_ONE_SYMBOL"}, | |
310 | {R_CODE_ONE_SYMBOL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_CODE_ONE_SYMBOL"}, | |
311 | {R_CODE_ONE_SYMBOL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_CODE_ONE_SYMBOL"}, | |
312 | {R_CODE_ONE_SYMBOL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_CODE_ONE_SYMBOL"}, | |
313 | {R_CODE_ONE_SYMBOL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_CODE_ONE_SYMBOL"}, | |
314 | {R_CODE_ONE_SYMBOL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_CODE_ONE_SYMBOL"}, | |
315 | {R_CODE_ONE_SYMBOL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_CODE_ONE_SYMBOL"}, | |
316 | {R_CODE_ONE_SYMBOL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_CODE_ONE_SYMBOL"}, | |
317 | {R_CODE_ONE_SYMBOL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_CODE_ONE_SYMBOL"}, | |
318 | {R_CODE_ONE_SYMBOL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_CODE_ONE_SYMBOL"}, | |
319 | {R_CODE_ONE_SYMBOL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_CODE_ONE_SYMBOL"}, | |
320 | {R_CODE_ONE_SYMBOL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_CODE_ONE_SYMBOL"}, | |
321 | {R_CODE_ONE_SYMBOL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_CODE_ONE_SYMBOL"}, | |
322 | {R_CODE_ONE_SYMBOL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_CODE_ONE_SYMBOL"}, | |
323 | {R_CODE_ONE_SYMBOL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_CODE_ONE_SYMBOL"}, | |
324 | {R_CODE_ONE_SYMBOL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_CODE_ONE_SYMBOL"}, | |
325 | {R_CODE_ONE_SYMBOL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_CODE_ONE_SYMBOL"}, | |
326 | {R_CODE_ONE_SYMBOL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_CODE_ONE_SYMBOL"}, | |
327 | {R_CODE_ONE_SYMBOL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_CODE_ONE_SYMBOL"}, | |
328 | {R_CODE_ONE_SYMBOL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_CODE_ONE_SYMBOL"}, | |
329 | {R_CODE_ONE_SYMBOL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_CODE_ONE_SYMBOL"}, | |
330 | {R_CODE_ONE_SYMBOL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_CODE_ONE_SYMBOL"}, | |
331 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
332 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
333 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
334 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
335 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
336 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
337 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
338 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
339 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
340 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
341 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
342 | {R_MILLI_REL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_MILLI_REL"}, | |
343 | {R_MILLI_REL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_MILLI_REL"}, | |
344 | {R_CODE_PLABEL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_CODE_PLABEL"}, | |
345 | {R_CODE_PLABEL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_CODE_PLABEL"}, | |
346 | {R_BREAKPOINT, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_BREAKPOINT"}, | |
347 | {R_ENTRY, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_ENTRY"}, | |
348 | {R_ENTRY, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_ENTRY"}, | |
349 | {R_ALT_ENTRY, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_ALT_ENTRY"}, | |
350 | {R_EXIT, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_EXIT"}, | |
351 | {R_BEGIN_TRY, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_BEGIN_TRY"}, | |
352 | {R_END_TRY, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_END_TRY"}, | |
353 | {R_END_TRY, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_END_TRY"}, | |
354 | {R_BEGIN_BRTAB, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_BEGIN_BRTAB"}, | |
355 | {R_END_BRTAB, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_END_BRTAB"}, | |
356 | {R_STATEMENT, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_STATEMENT"}, | |
357 | {R_STATEMENT, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_STATEMENT"}, | |
358 | {R_STATEMENT, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_STATEMENT"}, | |
359 | {R_DATA_EXPR, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DATA_EXPR"}, | |
360 | {R_CODE_EXPR, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_CODE_EXPR"}, | |
361 | {R_FSEL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_FSEL"}, | |
362 | {R_LSEL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_LSEL"}, | |
363 | {R_RSEL, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RSEL"}, | |
364 | {R_N_MODE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_N_MODE"}, | |
365 | {R_S_MODE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_S_MODE"}, | |
366 | {R_D_MODE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_D_MODE"}, | |
367 | {R_R_MODE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_R_MODE"}, | |
368 | {R_DATA_OVERRIDE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DATA_OVERRIDE"}, | |
369 | {R_DATA_OVERRIDE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DATA_OVERRIDE"}, | |
370 | {R_DATA_OVERRIDE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DATA_OVERRIDE"}, | |
371 | {R_DATA_OVERRIDE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DATA_OVERRIDE"}, | |
372 | {R_DATA_OVERRIDE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DATA_OVERRIDE"}, | |
373 | {R_DATA_OVERRIDE, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_DATA_OVERRIDE"}, | |
374 | {R_TRANSLATED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_TRANSLATED"}, | |
375 | {R_STATEMENT, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_STATEMENT"}, | |
376 | {R_STATEMENT, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_STATEMENT"}, | |
377 | {R_STATEMENT, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_STATEMENT"}, | |
378 | {R_COMP1, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_COMP1"}, | |
379 | {R_COMP2, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_COMP2"}, | |
380 | {R_COMP3, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_COMP3"}, | |
381 | {R_PREV_FIXUP, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_PREV_FIXUP"}, | |
382 | {R_PREV_FIXUP, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_PREV_FIXUP"}, | |
383 | {R_PREV_FIXUP, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_PREV_FIXUP"}, | |
384 | {R_PREV_FIXUP, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_PREV_FIXUP"}, | |
385 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
386 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
387 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
388 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
389 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
390 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
391 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
392 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
393 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
394 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
395 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
396 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
397 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
398 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
399 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
400 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
401 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
402 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
403 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
404 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
405 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
406 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
407 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
408 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
409 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
410 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
411 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
412 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
413 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
414 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
415 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
416 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
417 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
418 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
419 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
420 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
421 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
422 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
423 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
424 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}, | |
425 | {R_RESERVED, 0, 0, 32, false, 0, 0, hppa_som_reloc, "R_RESERVED"}}; | |
426 | ||
d125665c JL |
427 | |
428 | /* Initialize the SOM relocation queue. By definition the queue holds | |
429 | the last four multibyte fixups. */ | |
430 | ||
431 | static void | |
432 | som_initialize_reloc_queue (queue) | |
433 | struct reloc_queue *queue; | |
434 | { | |
435 | queue[0].reloc = NULL; | |
436 | queue[0].size = 0; | |
437 | queue[1].reloc = NULL; | |
438 | queue[1].size = 0; | |
439 | queue[2].reloc = NULL; | |
440 | queue[2].size = 0; | |
441 | queue[3].reloc = NULL; | |
442 | queue[3].size = 0; | |
443 | } | |
444 | ||
445 | /* Insert a new relocation into the relocation queue. */ | |
446 | ||
447 | static void | |
448 | som_reloc_queue_insert (p, size, queue) | |
449 | unsigned char *p; | |
450 | unsigned int size; | |
451 | struct reloc_queue *queue; | |
452 | { | |
453 | queue[3].reloc = queue[2].reloc; | |
454 | queue[3].size = queue[2].size; | |
455 | queue[2].reloc = queue[1].reloc; | |
456 | queue[2].size = queue[1].size; | |
457 | queue[1].reloc = queue[0].reloc; | |
458 | queue[1].size = queue[0].size; | |
459 | queue[0].reloc = p; | |
460 | queue[0].size = size; | |
461 | } | |
462 | ||
463 | /* When an entry in the relocation queue is reused, the entry moves | |
464 | to the front of the queue. */ | |
465 | ||
466 | static void | |
467 | som_reloc_queue_fix (queue, index) | |
468 | struct reloc_queue *queue; | |
469 | unsigned int index; | |
470 | { | |
471 | if (index == 0) | |
472 | return; | |
473 | ||
474 | if (index == 1) | |
475 | { | |
476 | unsigned char *tmp1 = queue[0].reloc; | |
477 | unsigned int tmp2 = queue[0].size; | |
478 | queue[0].reloc = queue[1].reloc; | |
479 | queue[0].size = queue[1].size; | |
480 | queue[1].reloc = tmp1; | |
481 | queue[1].size = tmp2; | |
482 | return; | |
483 | } | |
484 | ||
485 | if (index == 2) | |
486 | { | |
487 | unsigned char *tmp1 = queue[0].reloc; | |
488 | unsigned int tmp2 = queue[0].size; | |
489 | queue[0].reloc = queue[2].reloc; | |
490 | queue[0].size = queue[2].size; | |
491 | queue[2].reloc = queue[1].reloc; | |
492 | queue[2].size = queue[1].size; | |
493 | queue[1].reloc = tmp1; | |
494 | queue[1].size = tmp2; | |
495 | return; | |
496 | } | |
497 | ||
498 | if (index == 3) | |
499 | { | |
500 | unsigned char *tmp1 = queue[0].reloc; | |
501 | unsigned int tmp2 = queue[0].size; | |
502 | queue[0].reloc = queue[3].reloc; | |
503 | queue[0].size = queue[3].size; | |
504 | queue[3].reloc = queue[2].reloc; | |
505 | queue[3].size = queue[2].size; | |
506 | queue[2].reloc = queue[1].reloc; | |
507 | queue[2].size = queue[1].size; | |
508 | queue[1].reloc = tmp1; | |
509 | queue[1].size = tmp2; | |
510 | return; | |
511 | } | |
512 | abort(); | |
513 | } | |
514 | ||
515 | /* Search for a particular relocation in the relocation queue. */ | |
516 | ||
517 | static int | |
518 | som_reloc_queue_find (p, size, queue) | |
519 | unsigned char *p; | |
520 | unsigned int size; | |
521 | struct reloc_queue *queue; | |
522 | { | |
523 | if (!bcmp (p, queue[0].reloc, size) | |
524 | && size == queue[0].size) | |
525 | return 0; | |
526 | if (!bcmp (p, queue[1].reloc, size) | |
527 | && size == queue[1].size) | |
528 | return 1; | |
529 | if (!bcmp (p, queue[2].reloc, size) | |
530 | && size == queue[2].size) | |
531 | return 2; | |
532 | if (!bcmp (p, queue[3].reloc, size) | |
533 | && size == queue[3].size) | |
534 | return 3; | |
535 | return -1; | |
536 | } | |
54bbfd37 JL |
537 | |
538 | static unsigned char * | |
539 | try_prev_fixup (abfd, subspace_reloc_sizep, p, size, queue) | |
540 | bfd *abfd; | |
541 | int *subspace_reloc_sizep; | |
542 | unsigned char *p; | |
543 | unsigned int size; | |
544 | struct reloc_queue *queue; | |
545 | { | |
546 | int queue_index = som_reloc_queue_find (p, size, queue); | |
547 | ||
548 | if (queue_index != -1) | |
549 | { | |
550 | /* Found this in a previous fixup. Undo the fixup we | |
551 | just built and use R_PREV_FIXUP instead. We saved | |
552 | a total of size - 1 bytes in the fixup stream. */ | |
553 | bfd_put_8 (abfd, R_PREV_FIXUP + queue_index, p); | |
554 | p += 1; | |
555 | *subspace_reloc_sizep += 1; | |
556 | som_reloc_queue_fix (queue, queue_index); | |
557 | } | |
558 | else | |
559 | { | |
560 | som_reloc_queue_insert (p, size, queue); | |
561 | *subspace_reloc_sizep += size; | |
562 | p += size; | |
563 | } | |
564 | return p; | |
565 | } | |
566 | ||
567 | /* Emit the proper R_NO_RELOCATION fixups to map the next SKIP | |
568 | bytes without any relocation. Update the size of the subspace | |
569 | relocation stream via SUBSPACE_RELOC_SIZE_P; also return the | |
570 | current pointer into the relocation stream. */ | |
571 | ||
572 | static unsigned char * | |
573 | som_reloc_skip (abfd, skip, p, subspace_reloc_sizep, queue) | |
574 | bfd *abfd; | |
575 | unsigned int skip; | |
576 | unsigned char *p; | |
577 | unsigned int *subspace_reloc_sizep; | |
578 | struct reloc_queue *queue; | |
579 | { | |
580 | /* Use a 4 byte R_NO_RELOCATION entry with a maximal value | |
581 | then R_PREV_FIXUPs to get the difference down to a | |
582 | reasonable size. */ | |
583 | if (skip >= 0x1000000) | |
584 | { | |
585 | skip -= 0x1000000; | |
586 | bfd_put_8 (abfd, R_NO_RELOCATION + 31, p); | |
587 | bfd_put_8 (abfd, 0xff, p + 1); | |
588 | bfd_put_16 (abfd, 0xffff, p + 2); | |
589 | p = try_prev_fixup (abfd, subspace_reloc_sizep, p, 4, queue); | |
590 | while (skip >= 0x1000000) | |
591 | { | |
592 | skip -= 0x1000000; | |
593 | bfd_put_8 (abfd, R_PREV_FIXUP, p); | |
594 | p++; | |
595 | *subspace_reloc_sizep += 1; | |
596 | /* No need to adjust queue here since we are repeating the | |
597 | most recent fixup. */ | |
598 | } | |
599 | } | |
600 | ||
601 | /* The difference must be less than 0x1000000. Use one | |
602 | more R_NO_RELOCATION entry to get to the right difference. */ | |
603 | if ((skip & 3) == 0 && skip <= 0xc0000 && skip > 0) | |
604 | { | |
605 | /* Difference can be handled in a simple single-byte | |
606 | R_NO_RELOCATION entry. */ | |
607 | if (skip <= 0x60) | |
608 | { | |
609 | bfd_put_8 (abfd, R_NO_RELOCATION + (skip >> 2) - 1, p); | |
610 | *subspace_reloc_sizep += 1; | |
611 | p++; | |
612 | } | |
613 | /* Handle it with a two byte R_NO_RELOCATION entry. */ | |
614 | else if (skip <= 0x1000) | |
615 | { | |
616 | bfd_put_8 (abfd, R_NO_RELOCATION + 24 + (((skip >> 2) - 1) >> 8), p); | |
617 | bfd_put_8 (abfd, (skip >> 2) - 1, p + 1); | |
618 | p = try_prev_fixup (abfd, subspace_reloc_sizep, p, 2, queue); | |
619 | } | |
620 | /* Handle it with a three byte R_NO_RELOCATION entry. */ | |
621 | else | |
622 | { | |
623 | bfd_put_8 (abfd, R_NO_RELOCATION + 28 + (((skip >> 2) - 1) >> 16), p); | |
624 | bfd_put_16 (abfd, (skip >> 2) - 1, p + 1); | |
625 | p = try_prev_fixup (abfd, subspace_reloc_sizep, p, 3, queue); | |
626 | } | |
627 | } | |
628 | /* Ugh. Punt and use a 4 byte entry. */ | |
629 | else if (skip > 0) | |
630 | { | |
631 | bfd_put_8 (abfd, R_NO_RELOCATION + 31, p); | |
632 | bfd_put_8 (abfd, skip >> 16, p + 1); | |
633 | bfd_put_16 (abfd, skip, p + 2); | |
634 | p = try_prev_fixup (abfd, subspace_reloc_sizep, p, 4, queue); | |
635 | } | |
636 | return p; | |
637 | } | |
638 | ||
639 | /* Emit the proper R_DATA_OVERRIDE fixups to handle a nonzero addend | |
640 | from a BFD relocation. Update the size of the subspace relocation | |
641 | stream via SUBSPACE_RELOC_SIZE_P; also return the current pointer | |
642 | into the relocation stream. */ | |
643 | ||
644 | static unsigned char * | |
645 | som_reloc_addend (abfd, addend, p, subspace_reloc_sizep, queue) | |
646 | bfd *abfd; | |
647 | int addend; | |
648 | unsigned char *p; | |
649 | unsigned int *subspace_reloc_sizep; | |
650 | struct reloc_queue *queue; | |
651 | { | |
652 | if ((unsigned)(addend) + 0x80 < 0x100) | |
653 | { | |
654 | bfd_put_8 (abfd, R_DATA_OVERRIDE + 1, p); | |
655 | bfd_put_8 (abfd, addend, p + 1); | |
656 | p = try_prev_fixup (abfd, subspace_reloc_sizep, p, 2, queue); | |
657 | } | |
658 | else if ((unsigned) (addend) + 0x8000 < 0x10000) | |
659 | { | |
660 | bfd_put_8 (abfd, R_DATA_OVERRIDE + 2, p); | |
661 | bfd_put_16 (abfd, addend, p + 1); | |
662 | p = try_prev_fixup (abfd, subspace_reloc_sizep, p, 3, queue); | |
663 | } | |
664 | else if ((unsigned) (addend) + 0x800000 < 0x1000000) | |
665 | { | |
666 | bfd_put_8 (abfd, R_DATA_OVERRIDE + 3, p); | |
667 | bfd_put_8 (abfd, addend >> 16, p + 1); | |
668 | bfd_put_16 (abfd, addend, p + 2); | |
669 | p = try_prev_fixup (abfd, subspace_reloc_sizep, p, 4, queue); | |
670 | } | |
671 | else | |
672 | { | |
673 | bfd_put_8 (abfd, R_DATA_OVERRIDE + 4, p); | |
674 | bfd_put_32 (abfd, addend, p + 1); | |
675 | p = try_prev_fixup (abfd, subspace_reloc_sizep, p, 5, queue); | |
676 | } | |
677 | return p; | |
678 | } | |
679 | ||
7057b78f JL |
680 | /* Handle a single function call relocation. */ |
681 | ||
682 | static unsigned char * | |
683 | som_reloc_call (abfd, p, subspace_reloc_sizep, bfd_reloc, sym_num, queue) | |
684 | bfd *abfd; | |
685 | unsigned char *p; | |
686 | unsigned int *subspace_reloc_sizep; | |
687 | arelent *bfd_reloc; | |
688 | int sym_num; | |
689 | struct reloc_queue *queue; | |
690 | { | |
691 | int arg_bits = HPPA_R_ARG_RELOC (bfd_reloc->addend); | |
692 | int rtn_bits = arg_bits & 0x3; | |
693 | int type, done = 0; | |
694 | ||
695 | /* You'll never believe all this is necessary to handle relocations | |
696 | for function calls. Having to compute and pack the argument | |
697 | relocation bits is the real nightmare. | |
698 | ||
699 | If you're interested in how this works, just forget it. You really | |
700 | do not want to know about this braindamage. */ | |
701 | ||
702 | /* First see if this can be done with a "simple" relocation. Simple | |
703 | relocations have a symbol number < 0x100 and have simple encodings | |
704 | of argument relocations. */ | |
705 | ||
706 | if (sym_num < 0x100) | |
707 | { | |
708 | switch (arg_bits) | |
709 | { | |
710 | case 0: | |
711 | case 1: | |
712 | type = 0; | |
713 | break; | |
714 | case 1 << 8: | |
715 | case 1 << 8 | 1: | |
716 | type = 1; | |
717 | break; | |
718 | case 1 << 8 | 1 << 6: | |
719 | case 1 << 8 | 1 << 6 | 1: | |
720 | type = 2; | |
721 | break; | |
722 | case 1 << 8 | 1 << 6 | 1 << 4: | |
723 | case 1 << 8 | 1 << 6 | 1 << 4 | 1: | |
724 | type = 3; | |
725 | break; | |
726 | case 1 << 8 | 1 << 6 | 1 << 4 | 1 << 2: | |
727 | case 1 << 8 | 1 << 6 | 1 << 4 | 1 << 2 | 1: | |
728 | type = 4; | |
729 | break; | |
730 | default: | |
731 | /* Not one of the easy encodings. This will have to be | |
732 | handled by the more complex code below. */ | |
733 | type = -1; | |
734 | break; | |
735 | } | |
736 | if (type != -1) | |
737 | { | |
738 | /* Account for the return value too. */ | |
739 | if (rtn_bits) | |
740 | type += 5; | |
741 | ||
742 | /* Emit a 2 byte relocation. Then see if it can be handled | |
743 | with a relocation which is already in the relocation queue. */ | |
744 | bfd_put_8 (abfd, bfd_reloc->howto->type + type, p); | |
745 | bfd_put_8 (abfd, sym_num, p + 1); | |
746 | p = try_prev_fixup (abfd, subspace_reloc_sizep, p, 2, queue); | |
747 | done = 1; | |
748 | } | |
749 | } | |
750 | ||
751 | /* If this could not be handled with a simple relocation, then do a hard | |
752 | one. Hard relocations occur if the symbol number was too high or if | |
753 | the encoding of argument relocation bits is too complex. */ | |
754 | if (! done) | |
755 | { | |
756 | /* Don't ask about these magic sequences. I took them straight | |
757 | from gas-1.36 which took them from the a.out man page. */ | |
758 | type = rtn_bits; | |
759 | if ((arg_bits >> 6 & 0xf) == 0xe) | |
760 | type += 9 * 40; | |
761 | else | |
762 | type += (3 * (arg_bits >> 8 & 3) + (arg_bits >> 6 & 3)) * 40; | |
763 | if ((arg_bits >> 2 & 0xf) == 0xe) | |
764 | type += 9 * 4; | |
765 | else | |
766 | type += (3 * (arg_bits >> 4 & 3) + (arg_bits >> 2 & 3)) * 4; | |
767 | ||
768 | /* Output the first two bytes of the relocation. These describe | |
769 | the length of the relocation and encoding style. */ | |
770 | bfd_put_8 (abfd, bfd_reloc->howto->type + 10 | |
771 | + 2 * (sym_num >= 0x100) + (type >= 0x100), | |
772 | p); | |
773 | bfd_put_8 (abfd, type, p + 1); | |
774 | ||
775 | /* Now output the symbol index and see if this bizarre relocation | |
776 | just happened to be in the relocation queue. */ | |
777 | if (sym_num < 0x100) | |
778 | { | |
779 | bfd_put_8 (abfd, sym_num, p + 2); | |
780 | p = try_prev_fixup (abfd, subspace_reloc_sizep, p, 3, queue); | |
781 | } | |
782 | else | |
783 | { | |
784 | bfd_put_8 (abfd, sym_num >> 16, p + 2); | |
785 | bfd_put_16 (abfd, sym_num, p + 3); | |
786 | p = try_prev_fixup (abfd, subspace_reloc_sizep, p, 5, queue); | |
787 | } | |
788 | } | |
789 | return p; | |
790 | } | |
791 | ||
792 | ||
9e16fcf1 | 793 | /* Return the logarithm of X, base 2, considering X unsigned. |
40249bfb JL |
794 | Abort if X is not a power of two -- this should never happen (FIXME: |
795 | It will happen on corrupt executables. GDB should give an error, not | |
796 | a coredump, in that case). */ | |
9e16fcf1 SG |
797 | |
798 | static int | |
799 | log2 (x) | |
800 | unsigned int x; | |
801 | { | |
802 | int log = 0; | |
803 | ||
804 | /* Test for 0 or a power of 2. */ | |
805 | if (x == 0 || x != (x & -x)) | |
806 | abort(); | |
807 | ||
808 | while ((x >>= 1) != 0) | |
809 | log++; | |
810 | return log; | |
811 | } | |
812 | ||
fcb0c846 JL |
813 | static bfd_reloc_status_type |
814 | hppa_som_reloc (abfd, reloc_entry, symbol_in, data, input_section, output_bfd) | |
815 | bfd *abfd; | |
816 | arelent *reloc_entry; | |
817 | asymbol *symbol_in; | |
818 | PTR data; | |
819 | asection *input_section; | |
820 | bfd *output_bfd; | |
821 | { | |
822 | if (output_bfd) | |
823 | { | |
824 | reloc_entry->address += input_section->output_offset; | |
825 | return bfd_reloc_ok; | |
826 | } | |
827 | return bfd_reloc_ok; | |
828 | } | |
32619c58 JL |
829 | |
830 | /* Given a generic HPPA relocation type, the instruction format, | |
831 | and a field selector, return an appropriate SOM reloation. | |
832 | ||
833 | FIXME. Need to handle %RR, %LR and the like as field selectors. | |
834 | These will need to generate multiple SOM relocations. */ | |
835 | ||
836 | int ** | |
837 | hppa_som_gen_reloc_type (abfd, base_type, format, field) | |
838 | bfd *abfd; | |
839 | int base_type; | |
840 | int format; | |
841 | int field; | |
842 | { | |
843 | int *final_type, **final_types; | |
844 | ||
845 | final_types = (int **) bfd_alloc_by_size_t (abfd, sizeof (int *) * 2); | |
846 | final_type = (int *) bfd_alloc_by_size_t (abfd, sizeof (int)); | |
847 | ||
848 | ||
849 | final_types[0] = final_type; | |
850 | final_types[1] = NULL; | |
851 | ||
852 | /* Default to the basic relocation passed in. */ | |
853 | *final_type = base_type; | |
854 | ||
855 | switch (base_type) | |
856 | { | |
857 | case R_HPPA: | |
858 | /* PLABELs get their own relocation type. */ | |
859 | if (field == e_psel | |
860 | || field == e_lpsel | |
861 | || field == e_rpsel) | |
862 | { | |
863 | /* A PLABEL relocation that has a size of 32 bits must | |
864 | be a R_DATA_PLABEL. All others are R_CODE_PLABELs. */ | |
865 | if (format == 32) | |
866 | *final_type = R_DATA_PLABEL; | |
867 | else | |
868 | *final_type = R_CODE_PLABEL; | |
869 | } | |
870 | /* A relocatoin in the data space is always a full 32bits. */ | |
871 | else if (format == 32) | |
872 | *final_type = R_DATA_ONE_SYMBOL; | |
873 | ||
874 | break; | |
875 | ||
876 | case R_HPPA_GOTOFF: | |
877 | /* More PLABEL special cases. */ | |
878 | if (field == e_psel | |
879 | || field == e_lpsel | |
880 | || field == e_rpsel) | |
881 | *final_type = R_DATA_PLABEL; | |
882 | break; | |
883 | ||
884 | case R_HPPA_NONE: | |
885 | case R_HPPA_ABS_CALL: | |
886 | case R_HPPA_PCREL_CALL: | |
887 | case R_HPPA_COMPLEX: | |
888 | case R_HPPA_COMPLEX_PCREL_CALL: | |
889 | case R_HPPA_COMPLEX_ABS_CALL: | |
890 | /* Right now we can default all these. */ | |
891 | break; | |
892 | } | |
893 | return final_types; | |
894 | } | |
895 | ||
896 | /* Return the address of the correct entry in the PA SOM relocation | |
897 | howto table. */ | |
898 | ||
899 | static reloc_howto_type * | |
900 | som_bfd_reloc_type_lookup (arch, code) | |
901 | bfd_arch_info_type *arch; | |
902 | bfd_reloc_code_real_type code; | |
903 | { | |
904 | if ((int) code < (int) R_NO_RELOCATION + 255) | |
905 | { | |
906 | BFD_ASSERT ((int) som_hppa_howto_table[(int) code].type == (int) code); | |
907 | return &som_hppa_howto_table[(int) code]; | |
908 | } | |
909 | ||
910 | return (reloc_howto_type *) 0; | |
911 | } | |
912 | ||
9e16fcf1 SG |
913 | /* Perform some initialization for an object. Save results of this |
914 | initialization in the BFD. */ | |
d9ad93bc KR |
915 | |
916 | static bfd_target * | |
9e16fcf1 | 917 | som_object_setup (abfd, file_hdrp, aux_hdrp) |
d9ad93bc KR |
918 | bfd *abfd; |
919 | struct header *file_hdrp; | |
920 | struct som_exec_auxhdr *aux_hdrp; | |
921 | { | |
d9ad93bc KR |
922 | asection *text, *data, *bss; |
923 | ||
9e16fcf1 SG |
924 | /* som_mkobject will set bfd_error if som_mkobject fails. */ |
925 | if (som_mkobject (abfd) != true) | |
926 | return 0; | |
d9ad93bc | 927 | |
9e16fcf1 SG |
928 | /* Make the standard .text, .data, and .bss sections so that tools |
929 | which assume those names work (size for example). They will have | |
930 | no contents, but the sizes and such will reflect those of the | |
931 | $CODE$, $DATA$, and $BSS$ subspaces respectively. | |
d9ad93bc | 932 | |
9e16fcf1 | 933 | FIXME: Should check return status from bfd_make_section calls below. */ |
d9ad93bc KR |
934 | |
935 | text = bfd_make_section (abfd, ".text"); | |
936 | data = bfd_make_section (abfd, ".data"); | |
937 | bss = bfd_make_section (abfd, ".bss"); | |
938 | ||
939 | text->_raw_size = aux_hdrp->exec_tsize; | |
940 | data->_raw_size = aux_hdrp->exec_dsize; | |
941 | bss->_raw_size = aux_hdrp->exec_bsize; | |
942 | ||
9e16fcf1 | 943 | text->flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_CODE); |
d9ad93bc KR |
944 | data->flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS); |
945 | bss->flags = (SEC_ALLOC | SEC_IS_COMMON); | |
946 | ||
947 | /* The virtual memory addresses of the sections */ | |
948 | text->vma = aux_hdrp->exec_tmem; | |
949 | data->vma = aux_hdrp->exec_dmem; | |
950 | bss->vma = aux_hdrp->exec_bfill; | |
951 | ||
952 | /* The file offsets of the sections */ | |
953 | text->filepos = aux_hdrp->exec_tfile; | |
954 | data->filepos = aux_hdrp->exec_dfile; | |
955 | ||
956 | /* The file offsets of the relocation info */ | |
957 | text->rel_filepos = 0; | |
958 | data->rel_filepos = 0; | |
959 | ||
9e16fcf1 SG |
960 | /* Set BFD flags based on what information is available in the SOM. */ |
961 | abfd->flags = NO_FLAGS; | |
962 | if (! file_hdrp->entry_offset) | |
963 | abfd->flags |= HAS_RELOC; | |
964 | else | |
965 | abfd->flags |= EXEC_P; | |
966 | if (file_hdrp->symbol_total) | |
967 | abfd->flags |= HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS; | |
968 | ||
969 | bfd_get_start_address (abfd) = aux_hdrp->exec_entry; | |
970 | bfd_default_set_arch_mach (abfd, bfd_arch_hppa, 0); | |
d9ad93bc | 971 | bfd_get_symcount (abfd) = file_hdrp->symbol_total; |
9e16fcf1 SG |
972 | |
973 | /* Initialize the saved symbol table and string table to NULL. | |
974 | Save important offsets and sizes from the SOM header into | |
975 | the BFD. */ | |
976 | obj_som_stringtab (abfd) = (char *) NULL; | |
977 | obj_som_symtab (abfd) = (som_symbol_type *) NULL; | |
978 | obj_som_stringtab_size (abfd) = file_hdrp->symbol_strings_size; | |
979 | obj_som_sym_filepos (abfd) = file_hdrp->symbol_location; | |
980 | obj_som_str_filepos (abfd) = file_hdrp->symbol_strings_location; | |
981 | obj_som_reloc_filepos (abfd) = file_hdrp->fixup_request_location; | |
d9ad93bc KR |
982 | |
983 | return abfd->xvec; | |
984 | } | |
985 | ||
986 | /* Create a new BFD section for NAME. If NAME already exists, then create a | |
987 | new unique name, with NAME as the prefix. This exists because SOM .o files | |
9e16fcf1 | 988 | may have more than one $CODE$ subspace. */ |
d9ad93bc KR |
989 | |
990 | static asection * | |
991 | make_unique_section (abfd, name, num) | |
992 | bfd *abfd; | |
993 | CONST char *name; | |
994 | int num; | |
995 | { | |
996 | asection *sect; | |
997 | char *newname; | |
998 | char altname[100]; | |
999 | ||
1000 | sect = bfd_make_section (abfd, name); | |
1001 | while (!sect) | |
1002 | { | |
1003 | sprintf (altname, "%s-%d", name, num++); | |
1004 | sect = bfd_make_section (abfd, altname); | |
1005 | } | |
1006 | ||
1007 | newname = bfd_alloc (abfd, strlen (sect->name) + 1); | |
1008 | strcpy (newname, sect->name); | |
1009 | ||
1010 | sect->name = newname; | |
1011 | return sect; | |
1012 | } | |
1013 | ||
1014 | /* Convert all of the space and subspace info into BFD sections. Each space | |
1015 | contains a number of subspaces, which in turn describe the mapping between | |
1016 | regions of the exec file, and the address space that the program runs in. | |
1017 | BFD sections which correspond to spaces will overlap the sections for the | |
1018 | associated subspaces. */ | |
1019 | ||
9e16fcf1 | 1020 | static boolean |
d9ad93bc KR |
1021 | setup_sections (abfd, file_hdr) |
1022 | bfd *abfd; | |
1023 | struct header *file_hdr; | |
1024 | { | |
1025 | char *space_strings; | |
1026 | int space_index; | |
9e16fcf1 | 1027 | unsigned int total_subspaces = 0; |
d9ad93bc KR |
1028 | |
1029 | /* First, read in space names */ | |
1030 | ||
1031 | space_strings = alloca (file_hdr->space_strings_size); | |
1032 | if (!space_strings) | |
9e16fcf1 | 1033 | return false; |
d9ad93bc KR |
1034 | |
1035 | if (bfd_seek (abfd, file_hdr->space_strings_location, SEEK_SET) < 0) | |
9e16fcf1 | 1036 | return false; |
d9ad93bc KR |
1037 | if (bfd_read (space_strings, 1, file_hdr->space_strings_size, abfd) |
1038 | != file_hdr->space_strings_size) | |
9e16fcf1 | 1039 | return false; |
d9ad93bc KR |
1040 | |
1041 | /* Loop over all of the space dictionaries, building up sections */ | |
d9ad93bc KR |
1042 | for (space_index = 0; space_index < file_hdr->space_total; space_index++) |
1043 | { | |
1044 | struct space_dictionary_record space; | |
9e16fcf1 SG |
1045 | struct subspace_dictionary_record subspace, save_subspace; |
1046 | int subspace_index; | |
d9ad93bc KR |
1047 | asection *space_asect; |
1048 | ||
1049 | /* Read the space dictionary element */ | |
1050 | if (bfd_seek (abfd, file_hdr->space_location | |
1051 | + space_index * sizeof space, SEEK_SET) < 0) | |
9e16fcf1 | 1052 | return false; |
d9ad93bc | 1053 | if (bfd_read (&space, 1, sizeof space, abfd) != sizeof space) |
9e16fcf1 | 1054 | return false; |
d9ad93bc KR |
1055 | |
1056 | /* Setup the space name string */ | |
1057 | space.name.n_name = space.name.n_strx + space_strings; | |
1058 | ||
1059 | /* Make a section out of it */ | |
1060 | space_asect = make_unique_section (abfd, space.name.n_name, space_index); | |
1061 | if (!space_asect) | |
9e16fcf1 | 1062 | return false; |
d9ad93bc KR |
1063 | |
1064 | /* Now, read in the first subspace for this space */ | |
1065 | if (bfd_seek (abfd, file_hdr->subspace_location | |
1066 | + space.subspace_index * sizeof subspace, | |
1067 | SEEK_SET) < 0) | |
9e16fcf1 | 1068 | return false; |
d9ad93bc | 1069 | if (bfd_read (&subspace, 1, sizeof subspace, abfd) != sizeof subspace) |
9e16fcf1 | 1070 | return false; |
d9ad93bc KR |
1071 | /* Seek back to the start of the subspaces for loop below */ |
1072 | if (bfd_seek (abfd, file_hdr->subspace_location | |
1073 | + space.subspace_index * sizeof subspace, | |
1074 | SEEK_SET) < 0) | |
9e16fcf1 | 1075 | return false; |
d9ad93bc KR |
1076 | |
1077 | /* Setup the start address and file loc from the first subspace record */ | |
1078 | space_asect->vma = subspace.subspace_start; | |
1079 | space_asect->filepos = subspace.file_loc_init_value; | |
9e16fcf1 SG |
1080 | space_asect->alignment_power = log2 (subspace.alignment); |
1081 | ||
1082 | /* Initialize save_subspace so we can reliably determine if this | |
1083 | loop placed any useful values into it. */ | |
1084 | bzero (&save_subspace, sizeof (struct subspace_dictionary_record)); | |
d9ad93bc KR |
1085 | |
1086 | /* Loop over the rest of the subspaces, building up more sections */ | |
1087 | for (subspace_index = 0; subspace_index < space.subspace_quantity; | |
1088 | subspace_index++) | |
1089 | { | |
1090 | asection *subspace_asect; | |
1091 | ||
1092 | /* Read in the next subspace */ | |
1093 | if (bfd_read (&subspace, 1, sizeof subspace, abfd) | |
1094 | != sizeof subspace) | |
9e16fcf1 | 1095 | return false; |
d9ad93bc KR |
1096 | |
1097 | /* Setup the subspace name string */ | |
1098 | subspace.name.n_name = subspace.name.n_strx + space_strings; | |
1099 | ||
1100 | /* Make a section out of this subspace */ | |
1101 | subspace_asect = make_unique_section (abfd, subspace.name.n_name, | |
1102 | space.subspace_index + subspace_index); | |
1103 | ||
1104 | if (!subspace_asect) | |
9e16fcf1 SG |
1105 | return false; |
1106 | ||
1107 | /* Keep an easy mapping between subspaces and sections. */ | |
1108 | som_section_data (subspace_asect)->subspace_index | |
1109 | = total_subspaces++; | |
1110 | ||
1111 | /* Set SEC_READONLY and SEC_CODE/SEC_DATA as specified | |
1112 | by the access_control_bits in the subspace header. */ | |
1113 | switch (subspace.access_control_bits >> 4) | |
1114 | { | |
1115 | /* Readonly data. */ | |
1116 | case 0x0: | |
1117 | subspace_asect->flags |= SEC_DATA | SEC_READONLY; | |
1118 | break; | |
1119 | ||
1120 | /* Normal data. */ | |
1121 | case 0x1: | |
1122 | subspace_asect->flags |= SEC_DATA; | |
1123 | break; | |
1124 | ||
1125 | /* Readonly code and the gateways. | |
1126 | Gateways have other attributes which do not map | |
1127 | into anything BFD knows about. */ | |
1128 | case 0x2: | |
1129 | case 0x4: | |
1130 | case 0x5: | |
1131 | case 0x6: | |
1132 | case 0x7: | |
1133 | subspace_asect->flags |= SEC_CODE | SEC_READONLY; | |
1134 | break; | |
1135 | ||
1136 | /* dynamic (writable) code. */ | |
1137 | case 0x3: | |
1138 | subspace_asect->flags |= SEC_CODE; | |
1139 | break; | |
1140 | } | |
1141 | ||
1142 | if (subspace.dup_common || subspace.is_common) | |
1143 | subspace_asect->flags |= SEC_IS_COMMON; | |
1144 | else | |
1145 | subspace_asect->flags |= SEC_HAS_CONTENTS; | |
d9ad93bc KR |
1146 | if (subspace.is_loadable) |
1147 | subspace_asect->flags |= SEC_ALLOC | SEC_LOAD; | |
1148 | if (subspace.code_only) | |
1149 | subspace_asect->flags |= SEC_CODE; | |
1150 | ||
9e16fcf1 SG |
1151 | /* This subspace has relocations. |
1152 | The fixup_request_quantity is a byte count for the number of | |
1153 | entries in the relocation stream; it is not the actual number | |
1154 | of relocations in the subspace. */ | |
1155 | if (subspace.fixup_request_quantity != 0) | |
1156 | { | |
1157 | subspace_asect->flags |= SEC_RELOC; | |
1158 | subspace_asect->rel_filepos = subspace.fixup_request_index; | |
1159 | som_section_data (subspace_asect)->reloc_size | |
1160 | = subspace.fixup_request_quantity; | |
1161 | /* We can not determine this yet. When we read in the | |
1162 | relocation table the correct value will be filled in. */ | |
1163 | subspace_asect->reloc_count = -1; | |
1164 | } | |
1165 | ||
1166 | /* Update save_subspace if appropriate. */ | |
1167 | if (subspace.file_loc_init_value > save_subspace.file_loc_init_value) | |
1168 | save_subspace = subspace; | |
1169 | ||
d9ad93bc KR |
1170 | subspace_asect->vma = subspace.subspace_start; |
1171 | subspace_asect->_cooked_size = subspace.subspace_length; | |
1172 | subspace_asect->_raw_size = subspace.initialization_length; | |
9e16fcf1 | 1173 | subspace_asect->alignment_power = log2 (subspace.alignment); |
d9ad93bc | 1174 | subspace_asect->filepos = subspace.file_loc_init_value; |
d9ad93bc | 1175 | } |
9e16fcf1 SG |
1176 | |
1177 | /* Yow! there is no subspace within the space which actually | |
1178 | has initialized information in it; this should never happen | |
1179 | as far as I know. */ | |
1180 | if (!save_subspace.file_loc_init_value) | |
1181 | abort (); | |
1182 | ||
d9ad93bc | 1183 | /* Setup the sizes for the space section based upon the info in the |
9e16fcf1 SG |
1184 | last subspace of the space. */ |
1185 | space_asect->_cooked_size = save_subspace.subspace_start | |
1186 | - space_asect->vma + save_subspace.subspace_length; | |
1187 | space_asect->_raw_size = save_subspace.file_loc_init_value | |
1188 | - space_asect->filepos + save_subspace.initialization_length; | |
d9ad93bc | 1189 | } |
9e16fcf1 | 1190 | return true; |
d9ad93bc KR |
1191 | } |
1192 | ||
9e16fcf1 SG |
1193 | /* Read in a SOM object and make it into a BFD. */ |
1194 | ||
d9ad93bc | 1195 | static bfd_target * |
9e16fcf1 | 1196 | som_object_p (abfd) |
d9ad93bc KR |
1197 | bfd *abfd; |
1198 | { | |
1199 | struct header file_hdr; | |
1200 | struct som_exec_auxhdr aux_hdr; | |
1201 | ||
1202 | if (bfd_read ((PTR) & file_hdr, 1, FILE_HDR_SIZE, abfd) != FILE_HDR_SIZE) | |
9e16fcf1 SG |
1203 | { |
1204 | bfd_error = system_call_error; | |
1205 | return 0; | |
1206 | } | |
d9ad93bc KR |
1207 | |
1208 | if (!_PA_RISC_ID (file_hdr.system_id)) | |
1209 | { | |
1210 | bfd_error = wrong_format; | |
1211 | return 0; | |
1212 | } | |
1213 | ||
1214 | switch (file_hdr.a_magic) | |
1215 | { | |
9e16fcf1 | 1216 | case RELOC_MAGIC: |
d9ad93bc KR |
1217 | case EXEC_MAGIC: |
1218 | case SHARE_MAGIC: | |
1219 | case DEMAND_MAGIC: | |
1220 | #ifdef DL_MAGIC | |
1221 | case DL_MAGIC: | |
1222 | #endif | |
1223 | #ifdef SHL_MAGIC | |
1224 | case SHL_MAGIC: | |
9e16fcf1 SG |
1225 | #endif |
1226 | #ifdef EXECLIBMAGIC | |
1227 | case EXECLIBMAGIC: | |
d9ad93bc KR |
1228 | #endif |
1229 | break; | |
1230 | default: | |
1231 | bfd_error = wrong_format; | |
1232 | return 0; | |
1233 | } | |
1234 | ||
1235 | if (file_hdr.version_id != VERSION_ID | |
1236 | && file_hdr.version_id != NEW_VERSION_ID) | |
1237 | { | |
1238 | bfd_error = wrong_format; | |
1239 | return 0; | |
1240 | } | |
1241 | ||
9e16fcf1 SG |
1242 | /* If the aux_header_size field in the file header is zero, then this |
1243 | object is an incomplete executable (a .o file). Do not try to read | |
1244 | a non-existant auxiliary header. */ | |
1245 | bzero (&aux_hdr, sizeof (struct som_exec_auxhdr)); | |
1246 | if (file_hdr.aux_header_size != 0) | |
1247 | { | |
1248 | if (bfd_read ((PTR) & aux_hdr, 1, AUX_HDR_SIZE, abfd) != AUX_HDR_SIZE) | |
1249 | { | |
1250 | bfd_error = wrong_format; | |
1251 | return 0; | |
1252 | } | |
1253 | } | |
d9ad93bc KR |
1254 | |
1255 | if (!setup_sections (abfd, &file_hdr)) | |
9e16fcf1 SG |
1256 | { |
1257 | /* setup_sections does not bubble up a bfd error code. */ | |
1258 | bfd_error = bad_value; | |
1259 | return 0; | |
1260 | } | |
d9ad93bc | 1261 | |
9e16fcf1 SG |
1262 | /* This appears to be a valid SOM object. Do some initialization. */ |
1263 | return som_object_setup (abfd, &file_hdr, &aux_hdr); | |
d9ad93bc KR |
1264 | } |
1265 | ||
9e16fcf1 SG |
1266 | /* Create a SOM object. */ |
1267 | ||
d9ad93bc | 1268 | static boolean |
9e16fcf1 | 1269 | som_mkobject (abfd) |
d9ad93bc KR |
1270 | bfd *abfd; |
1271 | { | |
9e16fcf1 SG |
1272 | /* Allocate memory to hold backend information. */ |
1273 | abfd->tdata.som_data = (struct som_data_struct *) | |
1274 | bfd_zalloc (abfd, sizeof (struct som_data_struct)); | |
1275 | if (abfd->tdata.som_data == NULL) | |
1276 | { | |
1277 | bfd_error = no_memory; | |
1278 | return false; | |
1279 | } | |
1280 | obj_som_file_hdr (abfd) = bfd_zalloc (abfd, sizeof (struct header)); | |
1281 | if (obj_som_file_hdr (abfd) == NULL) | |
1282 | ||
1283 | { | |
1284 | bfd_error = no_memory; | |
1285 | return false; | |
1286 | } | |
1287 | return true; | |
d9ad93bc KR |
1288 | } |
1289 | ||
0ffa24b9 JL |
1290 | /* Initialize some information in the file header. This routine makes |
1291 | not attempt at doing the right thing for a full executable; it | |
1292 | is only meant to handle relocatable objects. */ | |
1293 | ||
1294 | static boolean | |
1295 | som_prep_headers (abfd) | |
1296 | bfd *abfd; | |
1297 | { | |
1298 | struct header *file_hdr = obj_som_file_hdr (abfd); | |
1299 | asection *section; | |
1300 | ||
1301 | /* FIXME. This should really be conditional based on whether or not | |
1302 | PA1.1 instructions/registers have been used. */ | |
1303 | file_hdr->system_id = HP9000S800_ID; | |
1304 | ||
1305 | /* FIXME. Only correct for building relocatable objects. */ | |
1306 | if (abfd->flags & EXEC_P) | |
1307 | abort (); | |
1308 | else | |
1309 | file_hdr->a_magic = RELOC_MAGIC; | |
1310 | ||
1311 | /* Only new format SOM is supported. */ | |
1312 | file_hdr->version_id = NEW_VERSION_ID; | |
1313 | ||
1314 | /* These fields are optional, and embedding timestamps is not always | |
1315 | a wise thing to do, it makes comparing objects during a multi-stage | |
1316 | bootstrap difficult. */ | |
1317 | file_hdr->file_time.secs = 0; | |
1318 | file_hdr->file_time.nanosecs = 0; | |
1319 | ||
1320 | if (abfd->flags & EXEC_P) | |
1321 | abort (); | |
1322 | else | |
1323 | { | |
1324 | file_hdr->entry_space = 0; | |
1325 | file_hdr->entry_subspace = 0; | |
1326 | file_hdr->entry_offset = 0; | |
1327 | } | |
1328 | ||
1329 | /* FIXME. I do not know if we ever need to put anything other | |
1330 | than zero in this field. */ | |
1331 | file_hdr->presumed_dp = 0; | |
1332 | ||
1333 | /* Now iterate over the sections translating information from | |
1334 | BFD sections to SOM spaces/subspaces. */ | |
1335 | ||
1336 | for (section = abfd->sections; section != NULL; section = section->next) | |
1337 | { | |
1338 | /* Ignore anything which has not been marked as a space or | |
1339 | subspace. */ | |
1340 | if (som_section_data (section)->is_space == 0 | |
1341 | ||
1342 | && som_section_data (section)->is_subspace == 0) | |
1343 | continue; | |
1344 | ||
1345 | if (som_section_data (section)->is_space) | |
1346 | { | |
1347 | /* Set space attributes. Note most attributes of SOM spaces | |
1348 | are set based on the subspaces it contains. */ | |
1349 | som_section_data (section)->space_dict.loader_fix_index = -1; | |
1350 | som_section_data (section)->space_dict.init_pointer_index = -1; | |
1351 | } | |
1352 | else | |
1353 | { | |
1354 | /* Set subspace attributes. Basic stuff is done here, additional | |
1355 | attributes are filled in later as more information becomes | |
1356 | available. */ | |
1357 | if (section->flags & SEC_IS_COMMON) | |
1358 | { | |
1359 | som_section_data (section)->subspace_dict.dup_common = 1; | |
1360 | som_section_data (section)->subspace_dict.is_common = 1; | |
1361 | } | |
1362 | ||
1363 | if (section->flags & SEC_ALLOC) | |
1364 | som_section_data (section)->subspace_dict.is_loadable = 1; | |
1365 | ||
1366 | if (section->flags & SEC_CODE) | |
1367 | som_section_data (section)->subspace_dict.code_only = 1; | |
1368 | ||
1369 | som_section_data (section)->subspace_dict.subspace_start = | |
1370 | section->vma; | |
1371 | som_section_data (section)->subspace_dict.subspace_length = | |
1372 | bfd_section_size (abfd, section); | |
1373 | som_section_data (section)->subspace_dict.initialization_length = | |
1374 | bfd_section_size (abfd, section); | |
1375 | som_section_data (section)->subspace_dict.alignment = | |
1376 | 1 << section->alignment_power; | |
1377 | } | |
1378 | } | |
1379 | return true; | |
1380 | } | |
1381 | ||
5532fc5a JL |
1382 | /* Count and return the number of spaces attached to the given BFD. */ |
1383 | ||
1384 | static unsigned long | |
1385 | som_count_spaces (abfd) | |
1386 | bfd *abfd; | |
1387 | { | |
1388 | int count = 0; | |
1389 | asection *section; | |
1390 | ||
1391 | for (section = abfd->sections; section != NULL; section = section->next) | |
1392 | count += som_section_data (section)->is_space; | |
1393 | ||
1394 | return count; | |
1395 | } | |
1396 | ||
1397 | /* Count the number of subspaces attached to the given BFD. */ | |
1398 | ||
1399 | static unsigned long | |
1400 | som_count_subspaces (abfd) | |
1401 | bfd *abfd; | |
1402 | { | |
1403 | int count = 0; | |
1404 | asection *section; | |
1405 | ||
1406 | for (section = abfd->sections; section != NULL; section = section->next) | |
1407 | count += som_section_data (section)->is_subspace; | |
1408 | ||
1409 | return count; | |
1410 | } | |
1411 | ||
1412 | /* Return -1, 0, 1 indicating the relative ordering of sym1 and sym2. | |
1413 | ||
1414 | We desire symbols to be ordered starting with the symbol with the | |
1415 | highest relocation count down to the symbol with the lowest relocation | |
1416 | count. Doing so compacts the relocation stream. */ | |
1417 | ||
1418 | static int | |
1419 | compare_syms (sym1, sym2) | |
1420 | asymbol **sym1; | |
1421 | asymbol **sym2; | |
1422 | ||
1423 | { | |
1424 | unsigned int count1, count2; | |
1425 | ||
1426 | /* Get relocation count for each symbol. Note that the count | |
1427 | is stored in the udata pointer for section symbols! */ | |
1428 | if ((*sym1)->flags & BSF_SECTION_SYM) | |
1429 | count1 = (int)(*sym1)->udata; | |
1430 | else | |
1431 | count1 = (*som_symbol_data ((*sym1)))->reloc_count; | |
1432 | ||
1433 | if ((*sym2)->flags & BSF_SECTION_SYM) | |
1434 | count2 = (int)(*sym2)->udata; | |
1435 | else | |
1436 | count2 = (*som_symbol_data ((*sym2)))->reloc_count; | |
1437 | ||
1438 | /* Return the appropriate value. */ | |
1439 | if (count1 < count2) | |
1440 | return 1; | |
1441 | else if (count1 > count2) | |
1442 | return -1; | |
1443 | return 0; | |
1444 | } | |
1445 | ||
efc0df7c JL |
1446 | /* Finally, scribble out the various headers to the disk. */ |
1447 | ||
1448 | static boolean | |
1449 | som_write_headers (abfd) | |
1450 | bfd *abfd; | |
1451 | { | |
1452 | int num_spaces = som_count_spaces (abfd); | |
1453 | int i; | |
1454 | int subspace_index = 0; | |
1455 | file_ptr location; | |
1456 | asection *section; | |
1457 | ||
1458 | /* Subspaces are written first so that we can set up information | |
1459 | about them in their containing spaces as the subspace is written. */ | |
1460 | ||
1461 | /* Seek to the start of the subspace dictionary records. */ | |
1462 | location = obj_som_file_hdr (abfd)->subspace_location; | |
1463 | bfd_seek (abfd, location, SEEK_SET); | |
1464 | section = abfd->sections; | |
1465 | /* Now for each loadable space write out records for its subspaces. */ | |
1466 | for (i = 0; i < num_spaces; i++) | |
1467 | { | |
1468 | asection *subsection; | |
1469 | ||
1470 | /* Find a space. */ | |
1471 | while (som_section_data (section)->is_space == 0) | |
1472 | section = section->next; | |
1473 | ||
1474 | /* Now look for all its subspaces. */ | |
1475 | for (subsection = abfd->sections; | |
1476 | subsection != NULL; | |
1477 | subsection = subsection->next) | |
1478 | { | |
1479 | ||
1480 | /* Skip any section which does not correspond to a space | |
1481 | or subspace. Or does not have SEC_ALLOC set (and therefore | |
1482 | has no real bits on the disk). */ | |
1483 | if (som_section_data (subsection)->is_subspace == 0 | |
1484 | || som_section_data (subsection)->containing_space != section | |
1485 | || (subsection->flags & SEC_ALLOC) == 0) | |
1486 | continue; | |
1487 | ||
1488 | /* If this is the first subspace for this space, then save | |
1489 | the index of the subspace in its containing space. Also | |
1490 | set "is_loadable" in the containing space. */ | |
1491 | ||
1492 | if (som_section_data (section)->space_dict.subspace_quantity == 0) | |
1493 | { | |
1494 | som_section_data (section)->space_dict.is_loadable = 1; | |
1495 | som_section_data (section)->space_dict.subspace_index | |
1496 | = subspace_index; | |
1497 | } | |
1498 | ||
1499 | /* Increment the number of subspaces seen and the number of | |
1500 | subspaces contained within the current space. */ | |
1501 | subspace_index++; | |
1502 | som_section_data (section)->space_dict.subspace_quantity++; | |
1503 | ||
1504 | /* Mark the index of the current space within the subspace's | |
1505 | dictionary record. */ | |
1506 | som_section_data (subsection)->subspace_dict.space_index = i; | |
1507 | ||
1508 | /* Dump the current subspace header. */ | |
1509 | if (bfd_write ((PTR) &som_section_data (subsection)->subspace_dict, | |
1510 | sizeof (struct subspace_dictionary_record), 1, abfd) | |
1511 | != sizeof (struct subspace_dictionary_record)) | |
1512 | { | |
1513 | bfd_error = system_call_error; | |
1514 | return false; | |
1515 | } | |
1516 | } | |
1517 | /* Goto the next section. */ | |
1518 | section = section->next; | |
1519 | } | |
1520 | ||
1521 | /* Now repeat the process for unloadable subspaces. */ | |
1522 | section = abfd->sections; | |
1523 | /* Now for each space write out records for its subspaces. */ | |
1524 | for (i = 0; i < num_spaces; i++) | |
1525 | { | |
1526 | asection *subsection; | |
1527 | ||
1528 | /* Find a space. */ | |
1529 | while (som_section_data (section)->is_space == 0) | |
1530 | section = section->next; | |
1531 | ||
1532 | /* Now look for all its subspaces. */ | |
1533 | for (subsection = abfd->sections; | |
1534 | subsection != NULL; | |
1535 | subsection = subsection->next) | |
1536 | { | |
1537 | ||
1538 | /* Skip any section which does not correspond to a space or | |
1539 | subspace, or which SEC_ALLOC set (and therefore handled | |
1540 | in the loadable spaces/subspaces code above. */ | |
1541 | ||
1542 | if (som_section_data (subsection)->is_subspace == 0 | |
1543 | || som_section_data (subsection)->containing_space != section | |
1544 | || (subsection->flags & SEC_ALLOC) != 0) | |
1545 | continue; | |
1546 | ||
1547 | /* If this is the first subspace for this space, then save | |
1548 | the index of the subspace in its containing space. Clear | |
1549 | "is_loadable". */ | |
1550 | ||
1551 | if (som_section_data (section)->space_dict.subspace_quantity == 0) | |
1552 | { | |
1553 | som_section_data (section)->space_dict.is_loadable = 0; | |
1554 | som_section_data (section)->space_dict.subspace_index | |
1555 | = subspace_index; | |
1556 | } | |
1557 | ||
1558 | /* Increment the number of subspaces seen and the number of | |
1559 | subspaces contained within the current space. */ | |
1560 | som_section_data (section)->space_dict.subspace_quantity++; | |
1561 | subspace_index++; | |
1562 | ||
1563 | /* Mark the index of the current space within the subspace's | |
1564 | dictionary record. */ | |
1565 | som_section_data (subsection)->subspace_dict.space_index = i; | |
1566 | ||
1567 | /* Dump this subspace header. */ | |
1568 | if (bfd_write ((PTR) &som_section_data (subsection)->subspace_dict, | |
1569 | sizeof (struct subspace_dictionary_record), 1, abfd) | |
1570 | != sizeof (struct subspace_dictionary_record)) | |
1571 | { | |
1572 | bfd_error = system_call_error; | |
1573 | return false; | |
1574 | } | |
1575 | } | |
1576 | /* Goto the next section. */ | |
1577 | section = section->next; | |
1578 | } | |
1579 | ||
1580 | /* All the subspace dictiondary records are written, and all the | |
1581 | fields are set up in the space dictionary records. | |
1582 | ||
1583 | Seek to the right location and start writing the space | |
1584 | dictionary records. */ | |
1585 | location = obj_som_file_hdr (abfd)->space_location; | |
1586 | bfd_seek (abfd, location, SEEK_SET); | |
1587 | ||
1588 | section = abfd->sections; | |
1589 | for (i = 0; i < num_spaces; i++) | |
1590 | { | |
1591 | ||
1592 | /* Find a space. */ | |
1593 | while (som_section_data (section)->is_space == 0) | |
1594 | section = section->next; | |
1595 | ||
1596 | /* Dump its header */ | |
1597 | if (bfd_write ((PTR) &som_section_data (section)->space_dict, | |
1598 | sizeof (struct space_dictionary_record), 1, abfd) | |
1599 | != sizeof (struct space_dictionary_record)) | |
1600 | { | |
1601 | bfd_error = system_call_error; | |
1602 | return false; | |
1603 | } | |
1604 | ||
1605 | /* Goto the next section. */ | |
1606 | section = section->next; | |
1607 | } | |
1608 | ||
1609 | /* Only thing left to do is write out the file header. It is always | |
1610 | at location zero. Seek there and write it. */ | |
1611 | bfd_seek (abfd, (file_ptr) 0, SEEK_SET); | |
1612 | if (bfd_write ((PTR) obj_som_file_hdr (abfd), | |
1613 | sizeof (struct header), 1, abfd) | |
1614 | != sizeof (struct header)) | |
1615 | { | |
1616 | bfd_error = system_call_error; | |
1617 | return false; | |
1618 | } | |
1619 | return true; | |
1620 | } | |
1621 | ||
5532fc5a JL |
1622 | static unsigned long |
1623 | som_compute_checksum (abfd) | |
1624 | bfd *abfd; | |
1625 | { | |
1626 | unsigned long checksum, count, i; | |
1627 | unsigned long *buffer = (unsigned long *) obj_som_file_hdr (abfd); | |
1628 | ||
1629 | checksum = 0; | |
1630 | count = sizeof (struct header) / sizeof (unsigned long); | |
1631 | for (i = 0; i < count; i++) | |
1632 | checksum ^= *(buffer + i); | |
1633 | ||
1634 | return checksum; | |
1635 | } | |
1636 | ||
713de7ec JL |
1637 | /* Build and write, in one big chunk, the entire symbol table for |
1638 | this BFD. */ | |
1639 | ||
1640 | static boolean | |
1641 | som_build_and_write_symbol_table (abfd) | |
1642 | bfd *abfd; | |
1643 | { | |
1644 | unsigned int num_syms = bfd_get_symcount (abfd); | |
1645 | file_ptr symtab_location = obj_som_file_hdr (abfd)->symbol_location; | |
1646 | asymbol **bfd_syms = bfd_get_outsymbols (abfd); | |
1647 | struct symbol_dictionary_record *som_symtab; | |
1648 | int i, symtab_size; | |
1649 | ||
1650 | /* Compute total symbol table size and allocate a chunk of memory | |
1651 | to hold the symbol table as we build it. */ | |
1652 | symtab_size = num_syms * sizeof (struct symbol_dictionary_record); | |
1653 | som_symtab = (struct symbol_dictionary_record *) alloca (symtab_size); | |
1654 | bzero (som_symtab, symtab_size); | |
1655 | ||
1656 | /* Walk over each symbol. */ | |
1657 | for (i = 0; i < num_syms; i++) | |
1658 | { | |
1659 | /* This is really an index into the symbol strings table. | |
1660 | By the time we get here, the index has already been | |
1661 | computed and stored into the name field in the BFD symbol. */ | |
1662 | som_symtab[i].name.n_strx = (int) bfd_syms[i]->name; | |
1663 | ||
1664 | /* The HP SOM linker requires detailed type information about | |
1665 | all symbols (including undefined symbols!). Unfortunately, | |
1666 | the type specified in an import/export statement does not | |
1667 | always match what the linker wants. Severe braindamage. */ | |
1668 | ||
1669 | /* Section symbols will not have a SOM symbol type assigned to | |
1670 | them yet. Assign all section symbols type ST_DATA. */ | |
1671 | if (bfd_syms[i]->flags & BSF_SECTION_SYM) | |
1672 | som_symtab[i].symbol_type = ST_DATA; | |
1673 | else | |
1674 | { | |
1675 | /* Common symbols must have scope SS_UNSAT and type | |
1676 | ST_STORAGE or the linker will choke. */ | |
1677 | if (bfd_syms[i]->section == &bfd_com_section) | |
1678 | { | |
1679 | som_symtab[i].symbol_scope = SS_UNSAT; | |
1680 | som_symtab[i].symbol_type = ST_STORAGE; | |
1681 | } | |
1682 | ||
1683 | /* It is possible to have a symbol without an associated | |
1684 | type. This happens if the user imported the symbol | |
1685 | without a type and the symbol was never defined | |
1686 | locally. If BSF_FUNCTION is set for this symbol, then | |
1687 | assign it type ST_CODE (the HP linker requires undefined | |
1688 | external functions to have type ST_CODE rather than ST_ENTRY. */ | |
1689 | else if (((*som_symbol_data (bfd_syms[i]))->som_type | |
1690 | == SYMBOL_TYPE_UNKNOWN) | |
1691 | && (bfd_syms[i]->section == &bfd_und_section) | |
1692 | && (bfd_syms[i]->flags & BSF_FUNCTION)) | |
1693 | som_symtab[i].symbol_type = ST_CODE; | |
1694 | ||
1695 | /* Handle function symbols which were defined in this file. | |
1696 | They should have type ST_ENTRY. Also retrieve the argument | |
1697 | relocation bits from the SOM backend information. */ | |
1698 | else if (((*som_symbol_data (bfd_syms[i]))->som_type | |
1699 | == SYMBOL_TYPE_ENTRY) | |
1700 | || (((*som_symbol_data (bfd_syms[i]))->som_type | |
1701 | == SYMBOL_TYPE_CODE) | |
1702 | && (bfd_syms[i]->flags & BSF_FUNCTION)) | |
1703 | || (((*som_symbol_data (bfd_syms[i]))->som_type | |
1704 | == SYMBOL_TYPE_UNKNOWN) | |
1705 | && (bfd_syms[i]->flags & BSF_FUNCTION))) | |
1706 | { | |
1707 | som_symtab[i].symbol_type = ST_ENTRY; | |
1708 | som_symtab[i].arg_reloc | |
1709 | = (*som_symbol_data (bfd_syms[i]))->tc_data.hppa_arg_reloc; | |
1710 | } | |
1711 | ||
1712 | /* If the type is unknown at this point, it should be | |
1713 | ST_DATA (functions were handled as special cases above). */ | |
1714 | else if ((*som_symbol_data (bfd_syms[i]))->som_type | |
1715 | == SYMBOL_TYPE_UNKNOWN) | |
1716 | som_symtab[i].symbol_type = ST_DATA; | |
1717 | ||
1718 | /* From now on it's a very simple mapping. */ | |
1719 | else if ((*som_symbol_data (bfd_syms[i]))->som_type | |
1720 | == SYMBOL_TYPE_ABSOLUTE) | |
1721 | som_symtab[i].symbol_type = ST_ABSOLUTE; | |
1722 | else if ((*som_symbol_data (bfd_syms[i]))->som_type | |
1723 | == SYMBOL_TYPE_CODE) | |
1724 | som_symtab[i].symbol_type = ST_CODE; | |
1725 | else if ((*som_symbol_data (bfd_syms[i]))->som_type | |
1726 | == SYMBOL_TYPE_DATA) | |
1727 | som_symtab[i].symbol_type = ST_DATA; | |
1728 | else if ((*som_symbol_data (bfd_syms[i]))->som_type | |
1729 | == SYMBOL_TYPE_MILLICODE) | |
1730 | som_symtab[i].symbol_type = ST_MILLICODE; | |
1731 | else if ((*som_symbol_data (bfd_syms[i]))->som_type | |
1732 | == SYMBOL_TYPE_PLABEL) | |
1733 | som_symtab[i].symbol_type = ST_PLABEL; | |
1734 | else if ((*som_symbol_data (bfd_syms[i]))->som_type | |
1735 | == SYMBOL_TYPE_PRI_PROG) | |
1736 | som_symtab[i].symbol_type = ST_PRI_PROG; | |
1737 | else if ((*som_symbol_data (bfd_syms[i]))->som_type | |
1738 | == SYMBOL_TYPE_SEC_PROG) | |
1739 | som_symtab[i].symbol_type = ST_SEC_PROG; | |
1740 | } | |
1741 | ||
1742 | /* Now handle the symbol's scope. Exported data which is not | |
1743 | in the common section has scope SS_UNIVERSAL. Note scope | |
1744 | of common symbols was handled earlier */ | |
1745 | if (bfd_syms[i]->flags & BSF_EXPORT | |
1746 | && bfd_syms[i]->section != &bfd_com_section) | |
1747 | som_symtab[i].symbol_scope = SS_UNIVERSAL; | |
1748 | /* Any undefined symbol at this point has a scope SS_UNSAT. */ | |
1749 | else if (bfd_syms[i]->section == &bfd_und_section) | |
1750 | som_symtab[i].symbol_scope = SS_UNSAT; | |
1751 | /* Anything else which is not in the common section has scope | |
1752 | SS_LOCAL. */ | |
1753 | else if (bfd_syms[i]->section != &bfd_com_section) | |
1754 | som_symtab[i].symbol_scope = SS_LOCAL; | |
1755 | ||
1756 | /* Now set the symbol_info field. It has no real meaning | |
1757 | for undefined or common symbols, but the HP linker will | |
1758 | choke if it's not set to some "reasonable" value. We | |
1759 | use zero as a reasonable value. */ | |
1760 | if (bfd_syms[i]->section == &bfd_com_section | |
1761 | || bfd_syms[i]->section == &bfd_und_section) | |
1762 | som_symtab[i].symbol_info = 0; | |
1763 | /* For all other symbols, the symbol_info field contains the | |
1764 | subspace index of the space this symbol is contained in. */ | |
1765 | else | |
1766 | som_symtab[i].symbol_info | |
1767 | = som_section_data (bfd_syms[i]->section)->subspace_index; | |
1768 | ||
1769 | /* Set the symbol's value. */ | |
1770 | som_symtab[i].symbol_value | |
1771 | = bfd_syms[i]->value + bfd_syms[i]->section->vma; | |
1772 | } | |
1773 | ||
1774 | /* Egad. Everything is ready, seek to the right location and | |
1775 | scribble out the symbol table. */ | |
1776 | if (bfd_seek (abfd, symtab_location, SEEK_SET) != 0) | |
1777 | { | |
1778 | bfd_error = system_call_error; | |
1779 | return false; | |
1780 | } | |
1781 | ||
1782 | if (bfd_write ((PTR) som_symtab, symtab_size, 1, abfd) != symtab_size) | |
1783 | { | |
1784 | bfd_error = system_call_error; | |
1785 | return false; | |
1786 | } | |
1787 | return true; | |
1788 | } | |
1789 | ||
d9ad93bc | 1790 | boolean |
9e16fcf1 | 1791 | som_write_object_contents (abfd) |
d9ad93bc KR |
1792 | bfd *abfd; |
1793 | { | |
9e16fcf1 | 1794 | fprintf (stderr, "som_write_object_contents unimplemented\n"); |
d9ad93bc KR |
1795 | fflush (stderr); |
1796 | abort (); | |
1797 | return (false); | |
1798 | } | |
9e16fcf1 | 1799 | /* Read and save the string table associated with the given BFD. */ |
d9ad93bc | 1800 | |
9e16fcf1 SG |
1801 | static boolean |
1802 | som_slurp_string_table (abfd) | |
d9ad93bc KR |
1803 | bfd *abfd; |
1804 | { | |
9e16fcf1 SG |
1805 | char *stringtab; |
1806 | ||
1807 | /* Use the saved version if its available. */ | |
1808 | if (obj_som_stringtab (abfd) != NULL) | |
1809 | return true; | |
1810 | ||
1811 | /* Allocate and read in the string table. */ | |
1812 | stringtab = bfd_zalloc (abfd, obj_som_stringtab_size (abfd)); | |
1813 | if (stringtab == NULL) | |
1814 | { | |
1815 | bfd_error = no_memory; | |
1816 | return false; | |
1817 | } | |
1818 | ||
1819 | if (bfd_seek (abfd, obj_som_str_filepos (abfd), SEEK_SET) < 0) | |
1820 | { | |
1821 | bfd_error = system_call_error; | |
1822 | return false; | |
1823 | } | |
1824 | ||
1825 | if (bfd_read (stringtab, obj_som_stringtab_size (abfd), 1, abfd) | |
1826 | != obj_som_stringtab_size (abfd)) | |
1827 | { | |
1828 | bfd_error = system_call_error; | |
1829 | return false; | |
1830 | } | |
1831 | ||
1832 | /* Save our results and return success. */ | |
1833 | obj_som_stringtab (abfd) = stringtab; | |
1834 | return true; | |
d9ad93bc KR |
1835 | } |
1836 | ||
9e16fcf1 SG |
1837 | /* Return the amount of data (in bytes) required to hold the symbol |
1838 | table for this object. */ | |
1839 | ||
d9ad93bc | 1840 | static unsigned int |
9e16fcf1 | 1841 | som_get_symtab_upper_bound (abfd) |
d9ad93bc | 1842 | bfd *abfd; |
d9ad93bc | 1843 | { |
9e16fcf1 SG |
1844 | if (!som_slurp_symbol_table (abfd)) |
1845 | return 0; | |
1846 | ||
1847 | return (bfd_get_symcount (abfd) + 1) * (sizeof (som_symbol_type *)); | |
d9ad93bc KR |
1848 | } |
1849 | ||
9e16fcf1 SG |
1850 | /* Convert from a SOM subspace index to a BFD section. */ |
1851 | ||
1852 | static asection * | |
1853 | som_section_from_subspace_index (abfd, index) | |
1854 | bfd *abfd; | |
1855 | unsigned int index; | |
1856 | { | |
1857 | asection *section; | |
1858 | ||
1859 | for (section = abfd->sections; section != NULL; section = section->next) | |
1860 | if (som_section_data (section)->subspace_index == index) | |
1861 | return section; | |
1862 | ||
1863 | /* Should never happen. */ | |
1864 | abort(); | |
1865 | } | |
1866 | ||
1867 | /* Read and save the symbol table associated with the given BFD. */ | |
1868 | ||
d9ad93bc | 1869 | static unsigned int |
9e16fcf1 | 1870 | som_slurp_symbol_table (abfd) |
d9ad93bc | 1871 | bfd *abfd; |
d9ad93bc | 1872 | { |
9e16fcf1 SG |
1873 | int symbol_count = bfd_get_symcount (abfd); |
1874 | int symsize = sizeof (struct symbol_dictionary_record); | |
1875 | char *stringtab; | |
1876 | struct symbol_dictionary_record *buf, *bufp, *endbufp; | |
1877 | som_symbol_type *sym, *symbase; | |
1878 | ||
1879 | /* Return saved value if it exists. */ | |
1880 | if (obj_som_symtab (abfd) != NULL) | |
1881 | return true; | |
1882 | ||
1883 | /* Sanity checking. Make sure there are some symbols and that | |
1884 | we can read the string table too. */ | |
1885 | if (symbol_count == 0) | |
1886 | { | |
1887 | bfd_error = no_symbols; | |
1888 | return false; | |
1889 | } | |
1890 | ||
1891 | if (!som_slurp_string_table (abfd)) | |
1892 | return false; | |
1893 | ||
1894 | stringtab = obj_som_stringtab (abfd); | |
1895 | ||
1896 | symbase = (som_symbol_type *) | |
1897 | bfd_zalloc (abfd, symbol_count * sizeof (som_symbol_type)); | |
1898 | if (symbase == NULL) | |
1899 | { | |
1900 | bfd_error = no_memory; | |
1901 | return false; | |
1902 | } | |
1903 | ||
1904 | /* Read in the external SOM representation. */ | |
1905 | buf = alloca (symbol_count * symsize); | |
1906 | if (buf == NULL) | |
1907 | { | |
1908 | bfd_error = no_memory; | |
1909 | return false; | |
1910 | } | |
1911 | if (bfd_seek (abfd, obj_som_sym_filepos (abfd), SEEK_SET) < 0) | |
1912 | { | |
1913 | bfd_error = system_call_error; | |
1914 | return false; | |
1915 | } | |
1916 | if (bfd_read (buf, symbol_count * symsize, 1, abfd) | |
1917 | != symbol_count * symsize) | |
1918 | { | |
1919 | bfd_error = no_symbols; | |
1920 | return (false); | |
1921 | } | |
1922 | ||
1923 | /* Iterate over all the symbols and internalize them. */ | |
1924 | endbufp = buf + symbol_count; | |
1925 | for (bufp = buf, sym = symbase; bufp < endbufp; ++bufp) | |
1926 | { | |
1927 | ||
1928 | /* I don't think we care about these. */ | |
1929 | if (bufp->symbol_type == ST_SYM_EXT | |
1930 | || bufp->symbol_type == ST_ARG_EXT) | |
1931 | continue; | |
1932 | ||
1933 | /* Some reasonable defaults. */ | |
1934 | sym->symbol.the_bfd = abfd; | |
1935 | sym->symbol.name = bufp->name.n_strx + stringtab; | |
1936 | sym->symbol.value = bufp->symbol_value; | |
1937 | sym->symbol.section = 0; | |
1938 | sym->symbol.flags = 0; | |
1939 | ||
1940 | switch (bufp->symbol_type) | |
1941 | { | |
1942 | case ST_ENTRY: | |
1943 | sym->symbol.flags |= BSF_FUNCTION; | |
1944 | sym->symbol.value &= ~0x3; | |
1945 | break; | |
1946 | ||
1947 | case ST_PRI_PROG: | |
1948 | case ST_SEC_PROG: | |
1949 | case ST_STUB: | |
1950 | case ST_MILLICODE: | |
1951 | case ST_CODE: | |
1952 | sym->symbol.value &= ~0x3; | |
1953 | ||
1954 | default: | |
1955 | break; | |
1956 | } | |
1957 | ||
1958 | /* Handle scoping and section information. */ | |
1959 | switch (bufp->symbol_scope) | |
1960 | { | |
1961 | /* symbol_info field is undefined for SS_EXTERNAL and SS_UNSAT symbols, | |
1962 | so the section associated with this symbol can't be known. */ | |
1963 | case SS_EXTERNAL: | |
1964 | case SS_UNSAT: | |
1965 | sym->symbol.flags |= (BSF_EXPORT | BSF_GLOBAL); | |
1966 | break; | |
1967 | ||
1968 | case SS_UNIVERSAL: | |
1969 | sym->symbol.flags |= (BSF_EXPORT | BSF_GLOBAL); | |
1970 | sym->symbol.section | |
1971 | = som_section_from_subspace_index (abfd, bufp->symbol_info); | |
1972 | sym->symbol.value -= sym->symbol.section->vma; | |
1973 | break; | |
1974 | ||
1975 | #if 0 | |
1976 | /* SS_GLOBAL and SS_LOCAL are two names for the same thing. | |
1977 | Sound dumb? It is. */ | |
1978 | case SS_GLOBAL: | |
1979 | #endif | |
1980 | case SS_LOCAL: | |
1981 | sym->symbol.flags |= BSF_LOCAL; | |
1982 | sym->symbol.section | |
1983 | = som_section_from_subspace_index (abfd, bufp->symbol_info); | |
1984 | sym->symbol.value -= sym->symbol.section->vma; | |
1985 | break; | |
1986 | } | |
1987 | ||
1988 | /* Mark symbols left around by the debugger. */ | |
1989 | if (strlen (sym->symbol.name) >= 3 | |
1990 | && sym->symbol.name[0] == 'L' | |
1991 | && (sym->symbol.name[2] == '$' || sym->symbol.name[3] == '$')) | |
1992 | sym->symbol.flags |= BSF_DEBUGGING; | |
1993 | ||
1994 | /* Note increment at bottom of loop, since we skip some symbols | |
1995 | we can not include it as part of the for statement. */ | |
1996 | sym++; | |
1997 | } | |
1998 | ||
1999 | /* Save our results and return success. */ | |
2000 | obj_som_symtab (abfd) = symbase; | |
2001 | return (true); | |
d9ad93bc KR |
2002 | } |
2003 | ||
9e16fcf1 SG |
2004 | /* Canonicalize a SOM symbol table. Return the number of entries |
2005 | in the symbol table. */ | |
d9ad93bc KR |
2006 | |
2007 | static unsigned int | |
9e16fcf1 | 2008 | som_get_symtab (abfd, location) |
d9ad93bc KR |
2009 | bfd *abfd; |
2010 | asymbol **location; | |
2011 | { | |
9e16fcf1 SG |
2012 | int i; |
2013 | som_symbol_type *symbase; | |
2014 | ||
2015 | if (!som_slurp_symbol_table (abfd)) | |
2016 | return 0; | |
2017 | ||
2018 | i = bfd_get_symcount (abfd); | |
2019 | symbase = obj_som_symtab (abfd); | |
2020 | ||
2021 | for (; i > 0; i--, location++, symbase++) | |
2022 | *location = &symbase->symbol; | |
2023 | ||
2024 | /* Final null pointer. */ | |
2025 | *location = 0; | |
2026 | return (bfd_get_symcount (abfd)); | |
d9ad93bc KR |
2027 | } |
2028 | ||
9e16fcf1 SG |
2029 | /* Make a SOM symbol. There is nothing special to do here. */ |
2030 | ||
d9ad93bc | 2031 | static asymbol * |
9e16fcf1 | 2032 | som_make_empty_symbol (abfd) |
d9ad93bc KR |
2033 | bfd *abfd; |
2034 | { | |
9e16fcf1 SG |
2035 | som_symbol_type *new = |
2036 | (som_symbol_type *) bfd_zalloc (abfd, sizeof (som_symbol_type)); | |
2037 | if (new == NULL) | |
2038 | { | |
2039 | bfd_error = no_memory; | |
2040 | return 0; | |
2041 | } | |
d9ad93bc KR |
2042 | new->symbol.the_bfd = abfd; |
2043 | ||
2044 | return &new->symbol; | |
2045 | } | |
2046 | ||
9e16fcf1 SG |
2047 | /* Print symbol information. */ |
2048 | ||
d9ad93bc | 2049 | static void |
9e16fcf1 | 2050 | som_print_symbol (ignore_abfd, afile, symbol, how) |
d9ad93bc KR |
2051 | bfd *ignore_abfd; |
2052 | PTR afile; | |
2053 | asymbol *symbol; | |
2054 | bfd_print_symbol_type how; | |
2055 | { | |
9e16fcf1 SG |
2056 | FILE *file = (FILE *) afile; |
2057 | switch (how) | |
2058 | { | |
2059 | case bfd_print_symbol_name: | |
2060 | fprintf (file, "%s", symbol->name); | |
2061 | break; | |
2062 | case bfd_print_symbol_more: | |
2063 | fprintf (file, "som "); | |
2064 | fprintf_vma (file, symbol->value); | |
2065 | fprintf (file, " %lx", (long) symbol->flags); | |
2066 | break; | |
2067 | case bfd_print_symbol_all: | |
2068 | { | |
2069 | CONST char *section_name; | |
2070 | section_name = symbol->section ? symbol->section->name : "(*none*)"; | |
2071 | bfd_print_symbol_vandf ((PTR) file, symbol); | |
2072 | fprintf (file, " %s\t%s", section_name, symbol->name); | |
2073 | break; | |
2074 | } | |
2075 | } | |
2076 | } | |
2077 | ||
2078 | static unsigned int | |
2079 | som_get_reloc_upper_bound (abfd, asect) | |
2080 | bfd *abfd; | |
2081 | sec_ptr asect; | |
2082 | { | |
2083 | fprintf (stderr, "som_get_reloc_upper_bound unimplemented\n"); | |
d9ad93bc KR |
2084 | fflush (stderr); |
2085 | abort (); | |
9e16fcf1 | 2086 | return (0); |
d9ad93bc KR |
2087 | } |
2088 | ||
9e16fcf1 SG |
2089 | static unsigned int |
2090 | som_canonicalize_reloc (abfd, section, relptr, symbols) | |
2091 | bfd *abfd; | |
2092 | sec_ptr section; | |
2093 | arelent **relptr; | |
2094 | asymbol **symbols; | |
2095 | { | |
2096 | fprintf (stderr, "som_canonicalize_reloc unimplemented\n"); | |
2097 | fflush (stderr); | |
2098 | abort (); | |
2099 | } | |
2100 | ||
2101 | extern bfd_target som_vec; | |
2102 | ||
2103 | /* A hook to set up object file dependent section information. */ | |
2104 | ||
d9ad93bc | 2105 | static boolean |
9e16fcf1 | 2106 | som_new_section_hook (abfd, newsect) |
d9ad93bc KR |
2107 | bfd *abfd; |
2108 | asection *newsect; | |
2109 | { | |
9e16fcf1 SG |
2110 | newsect->used_by_bfd = (struct som_section_data_struct *) |
2111 | bfd_zalloc (abfd, sizeof (struct som_section_data_struct)); | |
d9ad93bc KR |
2112 | newsect->alignment_power = 3; |
2113 | ||
9e16fcf1 SG |
2114 | /* Initialize the subspace_index field to -1 so that it does |
2115 | not match a subspace with an index of 0. */ | |
2116 | som_section_data (newsect)->subspace_index = -1; | |
2117 | ||
d9ad93bc KR |
2118 | /* We allow more than three sections internally */ |
2119 | return true; | |
2120 | } | |
2121 | ||
40249bfb JL |
2122 | /* Set backend info for sections which can not be described |
2123 | in the BFD data structures. */ | |
2124 | ||
2125 | void | |
2126 | bfd_som_set_section_attributes (section, defined, private, sort_key, spnum) | |
2127 | asection *section; | |
2128 | char defined; | |
2129 | char private; | |
2130 | unsigned char sort_key; | |
2131 | int spnum; | |
2132 | { | |
2133 | struct space_dictionary_record *space_dict; | |
2134 | ||
2135 | som_section_data (section)->is_space = 1; | |
2136 | space_dict = &som_section_data (section)->space_dict; | |
2137 | space_dict->is_defined = defined; | |
2138 | space_dict->is_private = private; | |
2139 | space_dict->sort_key = sort_key; | |
2140 | space_dict->space_number = spnum; | |
2141 | } | |
2142 | ||
2143 | /* Set backend info for subsections which can not be described | |
2144 | in the BFD data structures. */ | |
2145 | ||
2146 | void | |
2147 | bfd_som_set_subsection_attributes (section, container, access, | |
2148 | sort_key, quadrant) | |
2149 | asection *section; | |
2150 | asection *container; | |
2151 | int access; | |
2152 | unsigned char sort_key; | |
2153 | int quadrant; | |
2154 | { | |
2155 | struct subspace_dictionary_record *subspace_dict; | |
2156 | som_section_data (section)->is_subspace = 1; | |
2157 | subspace_dict = &som_section_data (section)->subspace_dict; | |
2158 | subspace_dict->access_control_bits = access; | |
2159 | subspace_dict->sort_key = sort_key; | |
2160 | subspace_dict->quadrant = quadrant; | |
2161 | som_section_data (section)->containing_space = container; | |
2162 | } | |
2163 | ||
2164 | /* Set the full SOM symbol type. SOM needs far more symbol information | |
2165 | than any other object file format I'm aware of. It is mandatory | |
2166 | to be able to know if a symbol is an entry point, millicode, data, | |
2167 | code, absolute, storage request, or procedure label. If you get | |
2168 | the symbol type wrong your program will not link. */ | |
2169 | ||
2170 | void | |
2171 | bfd_som_set_symbol_type (symbol, type) | |
2172 | asymbol *symbol; | |
2173 | unsigned int type; | |
2174 | { | |
2175 | (*som_symbol_data (symbol))->som_type = type; | |
2176 | } | |
2177 | ||
2178 | /* Attach 64bits of unwind information to a symbol (which hopefully | |
2179 | is a function of some kind!). It would be better to keep this | |
2180 | in the R_ENTRY relocation, but there is not enough space. */ | |
2181 | ||
2182 | void | |
2183 | bfd_som_attach_unwind_info (symbol, unwind_desc) | |
2184 | asymbol *symbol; | |
2185 | char *unwind_desc; | |
2186 | { | |
2187 | (*som_symbol_data (symbol))->unwind = unwind_desc; | |
2188 | } | |
2189 | ||
d9ad93bc | 2190 | static boolean |
9e16fcf1 | 2191 | som_set_section_contents (abfd, section, location, offset, count) |
d9ad93bc KR |
2192 | bfd *abfd; |
2193 | sec_ptr section; | |
2194 | PTR location; | |
2195 | file_ptr offset; | |
2196 | bfd_size_type count; | |
2197 | { | |
9e16fcf1 | 2198 | fprintf (stderr, "som_set_section_contents unimplimented\n"); |
d9ad93bc KR |
2199 | fflush (stderr); |
2200 | abort (); | |
2201 | return false; | |
2202 | } | |
2203 | ||
2204 | static boolean | |
9e16fcf1 | 2205 | som_set_arch_mach (abfd, arch, machine) |
d9ad93bc KR |
2206 | bfd *abfd; |
2207 | enum bfd_architecture arch; | |
2208 | unsigned long machine; | |
2209 | { | |
2212ff92 | 2210 | /* Allow any architecture to be supported by the SOM backend */ |
d9ad93bc KR |
2211 | return bfd_default_set_arch_mach (abfd, arch, machine); |
2212 | } | |
2213 | ||
2214 | static boolean | |
9e16fcf1 | 2215 | som_find_nearest_line (abfd, section, symbols, offset, filename_ptr, |
d9ad93bc KR |
2216 | functionname_ptr, line_ptr) |
2217 | bfd *abfd; | |
2218 | asection *section; | |
2219 | asymbol **symbols; | |
2220 | bfd_vma offset; | |
2221 | CONST char **filename_ptr; | |
2222 | CONST char **functionname_ptr; | |
2223 | unsigned int *line_ptr; | |
2224 | { | |
9e16fcf1 | 2225 | fprintf (stderr, "som_find_nearest_line unimplemented\n"); |
d9ad93bc KR |
2226 | fflush (stderr); |
2227 | abort (); | |
2228 | return (false); | |
2229 | } | |
2230 | ||
2231 | static int | |
9e16fcf1 | 2232 | som_sizeof_headers (abfd, reloc) |
d9ad93bc KR |
2233 | bfd *abfd; |
2234 | boolean reloc; | |
2235 | { | |
9e16fcf1 | 2236 | fprintf (stderr, "som_sizeof_headers unimplemented\n"); |
d9ad93bc KR |
2237 | fflush (stderr); |
2238 | abort (); | |
2239 | return (0); | |
2240 | } | |
2241 | ||
2242 | /* Return information about SOM symbol SYMBOL in RET. */ | |
2243 | ||
2244 | static void | |
9e16fcf1 | 2245 | som_get_symbol_info (ignore_abfd, symbol, ret) |
d9ad93bc KR |
2246 | bfd *ignore_abfd; /* Ignored. */ |
2247 | asymbol *symbol; | |
2248 | symbol_info *ret; | |
2249 | { | |
2250 | bfd_symbol_info (symbol, ret); | |
2251 | } | |
2252 | ||
2253 | /* End of miscellaneous support functions. */ | |
2254 | ||
9e16fcf1 SG |
2255 | #define som_bfd_debug_info_start bfd_void |
2256 | #define som_bfd_debug_info_end bfd_void | |
2257 | #define som_bfd_debug_info_accumulate (PROTO(void,(*),(bfd*, struct sec *))) bfd_void | |
d9ad93bc | 2258 | |
9e16fcf1 SG |
2259 | #define som_openr_next_archived_file bfd_generic_openr_next_archived_file |
2260 | #define som_generic_stat_arch_elt bfd_generic_stat_arch_elt | |
2261 | #define som_slurp_armap bfd_false | |
2262 | #define som_slurp_extended_name_table _bfd_slurp_extended_name_table | |
2263 | #define som_truncate_arname (void (*)())bfd_nullvoidptr | |
2264 | #define som_write_armap 0 | |
d9ad93bc | 2265 | |
9e16fcf1 SG |
2266 | #define som_get_lineno (struct lineno_cache_entry *(*)())bfd_nullvoidptr |
2267 | #define som_close_and_cleanup bfd_generic_close_and_cleanup | |
2268 | #define som_get_section_contents bfd_generic_get_section_contents | |
d9ad93bc | 2269 | |
9e16fcf1 | 2270 | #define som_bfd_get_relocated_section_contents \ |
d9ad93bc | 2271 | bfd_generic_get_relocated_section_contents |
9e16fcf1 SG |
2272 | #define som_bfd_relax_section bfd_generic_relax_section |
2273 | #define som_bfd_seclet_link bfd_generic_seclet_link | |
2274 | #define som_bfd_reloc_type_lookup \ | |
d9ad93bc | 2275 | ((CONST struct reloc_howto_struct *(*) PARAMS ((bfd *, bfd_reloc_code_real_type))) bfd_nullvoidptr) |
9e16fcf1 | 2276 | #define som_bfd_make_debug_symbol \ |
d9ad93bc KR |
2277 | ((asymbol *(*) PARAMS ((bfd *, void *, unsigned long))) bfd_nullvoidptr) |
2278 | ||
2279 | /* Core file support is in the hpux-core backend. */ | |
9e16fcf1 SG |
2280 | #define som_core_file_failing_command _bfd_dummy_core_file_failing_command |
2281 | #define som_core_file_failing_signal _bfd_dummy_core_file_failing_signal | |
2282 | #define som_core_file_matches_executable_p _bfd_dummy_core_file_matches_executable_p | |
d9ad93bc | 2283 | |
9e16fcf1 | 2284 | bfd_target som_vec = |
d9ad93bc | 2285 | { |
9e16fcf1 SG |
2286 | "som", /* name */ |
2287 | bfd_target_som_flavour, | |
d9ad93bc KR |
2288 | true, /* target byte order */ |
2289 | true, /* target headers byte order */ | |
2290 | (HAS_RELOC | EXEC_P | /* object flags */ | |
2291 | HAS_LINENO | HAS_DEBUG | | |
40249bfb | 2292 | HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED), |
d9ad93bc | 2293 | (SEC_CODE | SEC_DATA | SEC_ROM | SEC_HAS_CONTENTS |
9e16fcf1 | 2294 | | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */ |
d9ad93bc KR |
2295 | |
2296 | /* leading_symbol_char: is the first char of a user symbol | |
9e16fcf1 | 2297 | predictable, and if so what is it */ |
d9ad93bc KR |
2298 | 0, |
2299 | ' ', /* ar_pad_char */ | |
2300 | 16, /* ar_max_namelen */ | |
2301 | 3, /* minimum alignment */ | |
9e16fcf1 SG |
2302 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, |
2303 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, | |
2304 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* data */ | |
2305 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, | |
2306 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, | |
2307 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */ | |
d9ad93bc | 2308 | {_bfd_dummy_target, |
9e16fcf1 | 2309 | som_object_p, /* bfd_check_format */ |
d9ad93bc KR |
2310 | bfd_generic_archive_p, |
2311 | _bfd_dummy_target | |
2312 | }, | |
2313 | { | |
2314 | bfd_false, | |
9e16fcf1 | 2315 | som_mkobject, |
d9ad93bc KR |
2316 | _bfd_generic_mkarchive, |
2317 | bfd_false | |
2318 | }, | |
2319 | { | |
2320 | bfd_false, | |
9e16fcf1 | 2321 | som_write_object_contents, |
d9ad93bc KR |
2322 | _bfd_write_archive_contents, |
2323 | bfd_false, | |
2324 | }, | |
9e16fcf1 SG |
2325 | #undef som |
2326 | JUMP_TABLE (som), | |
d9ad93bc KR |
2327 | (PTR) 0 |
2328 | }; | |
2329 | ||
2330 | #endif /* HOST_HPPAHPUX || HOST_HPPABSD */ |