1 /* bfd back-end for HP PA-RISC SOM objects.
2 Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
3 2000, 2001, 2002, 2003, 2004
4 Free Software Foundation, Inc.
6 Contributed by the Center for Software Science at the
9 This file is part of BFD, the Binary File Descriptor library.
11 This program is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 2 of the License, or
14 (at your option) any later version.
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
21 You should have received a copy of the GNU General Public License
22 along with this program; if not, write to the Free Software
23 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
26 #include "alloca-conf.h"
30 #if defined (HOST_HPPAHPUX) || defined (HOST_HPPABSD) || defined (HOST_HPPAOSF) || defined(HOST_HPPAMPEIX)
34 #include "safe-ctype.h"
36 #include <sys/param.h>
38 #include <machine/reg.h>
41 /* Magic not defined in standard HP-UX header files until 8.0. */
43 #ifndef CPU_PA_RISC1_0
44 #define CPU_PA_RISC1_0 0x20B
45 #endif /* CPU_PA_RISC1_0 */
47 #ifndef CPU_PA_RISC1_1
48 #define CPU_PA_RISC1_1 0x210
49 #endif /* CPU_PA_RISC1_1 */
51 #ifndef CPU_PA_RISC2_0
52 #define CPU_PA_RISC2_0 0x214
53 #endif /* CPU_PA_RISC2_0 */
55 #ifndef _PA_RISC1_0_ID
56 #define _PA_RISC1_0_ID CPU_PA_RISC1_0
57 #endif /* _PA_RISC1_0_ID */
59 #ifndef _PA_RISC1_1_ID
60 #define _PA_RISC1_1_ID CPU_PA_RISC1_1
61 #endif /* _PA_RISC1_1_ID */
63 #ifndef _PA_RISC2_0_ID
64 #define _PA_RISC2_0_ID CPU_PA_RISC2_0
65 #endif /* _PA_RISC2_0_ID */
67 #ifndef _PA_RISC_MAXID
68 #define _PA_RISC_MAXID 0x2FF
69 #endif /* _PA_RISC_MAXID */
72 #define _PA_RISC_ID(__m_num) \
73 (((__m_num) == _PA_RISC1_0_ID) || \
74 ((__m_num) >= _PA_RISC1_1_ID && (__m_num) <= _PA_RISC_MAXID))
75 #endif /* _PA_RISC_ID */
77 /* HIUX in it's infinite stupidity changed the names for several "well
78 known" constants. Work around such braindamage. Try the HPUX version
79 first, then the HIUX version, and finally provide a default. */
81 #define EXEC_AUX_ID HPUX_AUX_ID
84 #if !defined (EXEC_AUX_ID) && defined (HIUX_AUX_ID)
85 #define EXEC_AUX_ID HIUX_AUX_ID
92 /* Size (in chars) of the temporary buffers used during fixup and string
95 #define SOM_TMP_BUFSIZE 8192
97 /* Size of the hash table in archives. */
98 #define SOM_LST_HASH_SIZE 31
100 /* Max number of SOMs to be found in an archive. */
101 #define SOM_LST_MODULE_LIMIT 1024
103 /* Generic alignment macro. */
104 #define SOM_ALIGN(val, alignment) \
105 (((val) + (alignment) - 1) &~ ((unsigned long) (alignment) - 1))
107 /* SOM allows any one of the four previous relocations to be reused
108 with a "R_PREV_FIXUP" relocation entry. Since R_PREV_FIXUP
109 relocations are always a single byte, using a R_PREV_FIXUP instead
110 of some multi-byte relocation makes object files smaller.
112 Note one side effect of using a R_PREV_FIXUP is the relocation that
113 is being repeated moves to the front of the queue. */
115 unsigned char *reloc;
119 /* This fully describes the symbol types which may be attached to
120 an EXPORT or IMPORT directive. Only SOM uses this formation
121 (ELF has no need for it). */
124 SYMBOL_TYPE_ABSOLUTE,
128 SYMBOL_TYPE_MILLICODE,
130 SYMBOL_TYPE_PRI_PROG,
131 SYMBOL_TYPE_SEC_PROG,
134 struct section_to_type {
139 /* Assorted symbol information that needs to be derived from the BFD symbol
140 and/or the BFD backend private symbol data. */
141 struct som_misc_symbol_info {
142 unsigned int symbol_type;
143 unsigned int symbol_scope;
144 unsigned int arg_reloc;
145 unsigned int symbol_info;
146 unsigned int symbol_value;
147 unsigned int priv_level;
148 unsigned int secondary_def;
149 unsigned int is_comdat;
150 unsigned int is_common;
151 unsigned int dup_common;
154 /* Forward declarations. */
156 static bfd_boolean som_mkobject
158 static const bfd_target * som_object_setup
159 PARAMS ((bfd *, struct header *, struct som_exec_auxhdr *, unsigned long));
160 static bfd_boolean setup_sections
161 PARAMS ((bfd *, struct header *, unsigned long));
162 static const bfd_target * som_object_p
164 static bfd_boolean som_write_object_contents
166 static bfd_boolean som_slurp_string_table
168 static unsigned int som_slurp_symbol_table
170 static long som_get_symtab_upper_bound
172 static long som_canonicalize_reloc
173 PARAMS ((bfd *, sec_ptr, arelent **, asymbol **));
174 static long som_get_reloc_upper_bound
175 PARAMS ((bfd *, sec_ptr));
176 static unsigned int som_set_reloc_info
177 PARAMS ((unsigned char *, unsigned int, arelent *, asection *,
178 asymbol **, bfd_boolean));
179 static bfd_boolean som_slurp_reloc_table
180 PARAMS ((bfd *, asection *, asymbol **, bfd_boolean));
181 static long som_canonicalize_symtab
182 PARAMS ((bfd *, asymbol **));
183 static asymbol * som_make_empty_symbol
185 static void som_print_symbol
186 PARAMS ((bfd *, PTR, asymbol *, bfd_print_symbol_type));
187 static bfd_boolean som_new_section_hook
188 PARAMS ((bfd *, asection *));
189 static bfd_boolean som_bfd_copy_private_symbol_data
190 PARAMS ((bfd *, asymbol *, bfd *, asymbol *));
191 static bfd_boolean som_bfd_copy_private_section_data
192 PARAMS ((bfd *, asection *, bfd *, asection *));
193 static bfd_boolean som_bfd_copy_private_bfd_data
194 PARAMS ((bfd *, bfd *));
195 #define som_bfd_copy_private_header_data \
196 _bfd_generic_bfd_copy_private_header_data
197 #define som_bfd_merge_private_bfd_data _bfd_generic_bfd_merge_private_bfd_data
198 #define som_bfd_set_private_flags _bfd_generic_bfd_set_private_flags
199 static bfd_boolean som_bfd_is_local_label_name
200 PARAMS ((bfd *, const char *));
201 static bfd_boolean som_set_section_contents
202 PARAMS ((bfd *, sec_ptr, const PTR, file_ptr, bfd_size_type));
203 static bfd_boolean som_get_section_contents
204 PARAMS ((bfd *, sec_ptr, PTR, file_ptr, bfd_size_type));
205 static bfd_boolean som_set_arch_mach
206 PARAMS ((bfd *, enum bfd_architecture, unsigned long));
207 static bfd_boolean som_find_nearest_line
208 PARAMS ((bfd *, asection *, asymbol **, bfd_vma, const char **,
209 const char **, unsigned int *));
210 static void som_get_symbol_info
211 PARAMS ((bfd *, asymbol *, symbol_info *));
212 static asection * bfd_section_from_som_symbol
213 PARAMS ((bfd *, struct symbol_dictionary_record *));
214 static int exact_log2
215 PARAMS ((unsigned int));
216 static bfd_reloc_status_type hppa_som_reloc
217 PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
218 static void som_initialize_reloc_queue
219 PARAMS ((struct reloc_queue *));
220 static void som_reloc_queue_insert
221 PARAMS ((unsigned char *, unsigned int, struct reloc_queue *));
222 static void som_reloc_queue_fix
223 PARAMS ((struct reloc_queue *, unsigned int));
224 static int som_reloc_queue_find
225 PARAMS ((unsigned char *, unsigned int, struct reloc_queue *));
226 static unsigned char * try_prev_fixup
227 PARAMS ((bfd *, int *, unsigned char *, unsigned int, struct reloc_queue *));
228 static unsigned char * som_reloc_skip
229 PARAMS ((bfd *, unsigned int, unsigned char *, unsigned int *,
230 struct reloc_queue *));
231 static unsigned char * som_reloc_addend
232 PARAMS ((bfd *, bfd_vma, unsigned char *, unsigned int *,
233 struct reloc_queue *));
234 static unsigned char * som_reloc_call
235 PARAMS ((bfd *, unsigned char *, unsigned int *, arelent *, int,
236 struct reloc_queue *));
237 static unsigned long som_count_spaces
239 static unsigned long som_count_subspaces
241 static int compare_syms
242 PARAMS ((const void *, const void *));
243 static int compare_subspaces
244 PARAMS ((const void *, const void *));
245 static unsigned long som_compute_checksum
247 static bfd_boolean som_prep_headers
249 static int som_sizeof_headers
250 PARAMS ((bfd *, bfd_boolean));
251 static bfd_boolean som_finish_writing
253 static bfd_boolean som_build_and_write_symbol_table
255 static void som_prep_for_fixups
256 PARAMS ((bfd *, asymbol **, unsigned long));
257 static bfd_boolean som_write_fixups
258 PARAMS ((bfd *, unsigned long, unsigned int *));
259 static bfd_boolean som_write_space_strings
260 PARAMS ((bfd *, unsigned long, unsigned int *));
261 static bfd_boolean som_write_symbol_strings
262 PARAMS ((bfd *, unsigned long, asymbol **, unsigned int, unsigned *,
264 static bfd_boolean som_begin_writing
266 static reloc_howto_type * som_bfd_reloc_type_lookup
267 PARAMS ((bfd *, bfd_reloc_code_real_type));
268 static char som_section_type
269 PARAMS ((const char *));
270 static int som_decode_symclass
271 PARAMS ((asymbol *));
272 static bfd_boolean som_bfd_count_ar_symbols
273 PARAMS ((bfd *, struct lst_header *, symindex *));
274 static bfd_boolean som_bfd_fill_in_ar_symbols
275 PARAMS ((bfd *, struct lst_header *, carsym **));
276 static bfd_boolean som_slurp_armap
278 static bfd_boolean som_write_armap
279 PARAMS ((bfd *, unsigned int, struct orl *, unsigned int, int));
280 static void som_bfd_derive_misc_symbol_info
281 PARAMS ((bfd *, asymbol *, struct som_misc_symbol_info *));
282 static bfd_boolean som_bfd_prep_for_ar_write
283 PARAMS ((bfd *, unsigned int *, unsigned int *));
284 static unsigned int som_bfd_ar_symbol_hash
285 PARAMS ((asymbol *));
286 static bfd_boolean som_bfd_ar_write_symbol_stuff
287 PARAMS ((bfd *, unsigned int, unsigned int, struct lst_header,
289 static bfd_boolean som_is_space
290 PARAMS ((asection *));
291 static bfd_boolean som_is_subspace
292 PARAMS ((asection *));
293 static bfd_boolean som_is_container
294 PARAMS ((asection *, asection *));
295 static bfd_boolean som_bfd_free_cached_info
297 static bfd_boolean som_bfd_link_split_section
298 PARAMS ((bfd *, asection *));
300 /* Map SOM section names to POSIX/BSD single-character symbol types.
302 This table includes all the standard subspaces as defined in the
303 current "PRO ABI for PA-RISC Systems", $UNWIND$ which for
304 some reason was left out, and sections specific to embedded stabs. */
306 static const struct section_to_type stt[] = {
308 {"$SHLIB_INFO$", 't'},
309 {"$MILLICODE$", 't'},
312 {"$UNWIND_START$", 't'},
316 {"$SHLIB_DATA$", 'd'},
318 {"$SHORTDATA$", 'g'},
323 {"$GDB_STRINGS$", 'N'},
324 {"$GDB_SYMBOLS$", 'N'},
328 /* About the relocation formatting table...
330 There are 256 entries in the table, one for each possible
331 relocation opcode available in SOM. We index the table by
332 the relocation opcode. The names and operations are those
333 defined by a.out_800 (4).
335 Right now this table is only used to count and perform minimal
336 processing on relocation streams so that they can be internalized
337 into BFD and symbolically printed by utilities. To make actual use
338 of them would be much more difficult, BFD's concept of relocations
339 is far too simple to handle SOM relocations. The basic assumption
340 that a relocation can be completely processed independent of other
341 relocations before an object file is written is invalid for SOM.
343 The SOM relocations are meant to be processed as a stream, they
344 specify copying of data from the input section to the output section
345 while possibly modifying the data in some manner. They also can
346 specify that a variable number of zeros or uninitialized data be
347 inserted on in the output segment at the current offset. Some
348 relocations specify that some previous relocation be re-applied at
349 the current location in the input/output sections. And finally a number
350 of relocations have effects on other sections (R_ENTRY, R_EXIT,
351 R_UNWIND_AUX and a variety of others). There isn't even enough room
352 in the BFD relocation data structure to store enough information to
353 perform all the relocations.
355 Each entry in the table has three fields.
357 The first entry is an index into this "class" of relocations. This
358 index can then be used as a variable within the relocation itself.
360 The second field is a format string which actually controls processing
361 of the relocation. It uses a simple postfix machine to do calculations
362 based on variables/constants found in the string and the relocation
365 The third field specifys whether or not this relocation may use
366 a constant (V) from the previous R_DATA_OVERRIDE rather than a constant
367 stored in the instruction.
371 L = input space byte count
372 D = index into class of relocations
373 M = output space byte count
374 N = statement number (unused?)
376 R = parameter relocation bits
378 T = first 32 bits of stack unwind information
379 U = second 32 bits of stack unwind information
380 V = a literal constant (usually used in the next relocation)
381 P = a previous relocation
383 Lower case letters (starting with 'b') refer to following
384 bytes in the relocation stream. 'b' is the next 1 byte,
385 c is the next 2 bytes, d is the next 3 bytes, etc...
386 This is the variable part of the relocation entries that
387 makes our life a living hell.
389 numerical constants are also used in the format string. Note
390 the constants are represented in decimal.
392 '+', "*" and "=" represents the obvious postfix operators.
393 '<' represents a left shift.
397 Parameter Relocation Bits:
401 Previous Relocations: The index field represents which in the queue
402 of 4 previous fixups should be re-applied.
404 Literal Constants: These are generally used to represent addend
405 parts of relocations when these constants are not stored in the
406 fields of the instructions themselves. For example the instruction
407 addil foo-$global$-0x1234 would use an override for "0x1234" rather
408 than storing it into the addil itself. */
410 struct fixup_format {
415 static const struct fixup_format som_fixup_formats[256] = {
416 /* R_NO_RELOCATION */
417 { 0, "LD1+4*=" }, /* 0x00 */
418 { 1, "LD1+4*=" }, /* 0x01 */
419 { 2, "LD1+4*=" }, /* 0x02 */
420 { 3, "LD1+4*=" }, /* 0x03 */
421 { 4, "LD1+4*=" }, /* 0x04 */
422 { 5, "LD1+4*=" }, /* 0x05 */
423 { 6, "LD1+4*=" }, /* 0x06 */
424 { 7, "LD1+4*=" }, /* 0x07 */
425 { 8, "LD1+4*=" }, /* 0x08 */
426 { 9, "LD1+4*=" }, /* 0x09 */
427 { 10, "LD1+4*=" }, /* 0x0a */
428 { 11, "LD1+4*=" }, /* 0x0b */
429 { 12, "LD1+4*=" }, /* 0x0c */
430 { 13, "LD1+4*=" }, /* 0x0d */
431 { 14, "LD1+4*=" }, /* 0x0e */
432 { 15, "LD1+4*=" }, /* 0x0f */
433 { 16, "LD1+4*=" }, /* 0x10 */
434 { 17, "LD1+4*=" }, /* 0x11 */
435 { 18, "LD1+4*=" }, /* 0x12 */
436 { 19, "LD1+4*=" }, /* 0x13 */
437 { 20, "LD1+4*=" }, /* 0x14 */
438 { 21, "LD1+4*=" }, /* 0x15 */
439 { 22, "LD1+4*=" }, /* 0x16 */
440 { 23, "LD1+4*=" }, /* 0x17 */
441 { 0, "LD8<b+1+4*=" }, /* 0x18 */
442 { 1, "LD8<b+1+4*=" }, /* 0x19 */
443 { 2, "LD8<b+1+4*=" }, /* 0x1a */
444 { 3, "LD8<b+1+4*=" }, /* 0x1b */
445 { 0, "LD16<c+1+4*=" }, /* 0x1c */
446 { 1, "LD16<c+1+4*=" }, /* 0x1d */
447 { 2, "LD16<c+1+4*=" }, /* 0x1e */
448 { 0, "Ld1+=" }, /* 0x1f */
450 { 0, "Lb1+4*=" }, /* 0x20 */
451 { 1, "Ld1+=" }, /* 0x21 */
453 { 0, "Lb1+4*=" }, /* 0x22 */
454 { 1, "Ld1+=" }, /* 0x23 */
456 { 0, "L4=" }, /* 0x24 */
457 /* R_DATA_ONE_SYMBOL */
458 { 0, "L4=Sb=" }, /* 0x25 */
459 { 1, "L4=Sd=" }, /* 0x26 */
461 { 0, "L4=Sb=" }, /* 0x27 */
462 { 1, "L4=Sd=" }, /* 0x28 */
464 { 0, "L4=" }, /* 0x29 */
465 /* R_REPEATED_INIT */
466 { 0, "L4=Mb1+4*=" }, /* 0x2a */
467 { 1, "Lb4*=Mb1+L*=" }, /* 0x2b */
468 { 2, "Lb4*=Md1+4*=" }, /* 0x2c */
469 { 3, "Ld1+=Me1+=" }, /* 0x2d */
470 { 0, "" }, /* 0x2e */
471 { 0, "" }, /* 0x2f */
473 { 0, "L4=RD=Sb=" }, /* 0x30 */
474 { 1, "L4=RD=Sb=" }, /* 0x31 */
475 { 2, "L4=RD=Sb=" }, /* 0x32 */
476 { 3, "L4=RD=Sb=" }, /* 0x33 */
477 { 4, "L4=RD=Sb=" }, /* 0x34 */
478 { 5, "L4=RD=Sb=" }, /* 0x35 */
479 { 6, "L4=RD=Sb=" }, /* 0x36 */
480 { 7, "L4=RD=Sb=" }, /* 0x37 */
481 { 8, "L4=RD=Sb=" }, /* 0x38 */
482 { 9, "L4=RD=Sb=" }, /* 0x39 */
483 { 0, "L4=RD8<b+=Sb=" }, /* 0x3a */
484 { 1, "L4=RD8<b+=Sb=" }, /* 0x3b */
485 { 0, "L4=RD8<b+=Sd=" }, /* 0x3c */
486 { 1, "L4=RD8<b+=Sd=" }, /* 0x3d */
487 /* R_SHORT_PCREL_MODE */
488 { 0, "" }, /* 0x3e */
489 /* R_LONG_PCREL_MODE */
490 { 0, "" }, /* 0x3f */
492 { 0, "L4=RD=Sb=" }, /* 0x40 */
493 { 1, "L4=RD=Sb=" }, /* 0x41 */
494 { 2, "L4=RD=Sb=" }, /* 0x42 */
495 { 3, "L4=RD=Sb=" }, /* 0x43 */
496 { 4, "L4=RD=Sb=" }, /* 0x44 */
497 { 5, "L4=RD=Sb=" }, /* 0x45 */
498 { 6, "L4=RD=Sb=" }, /* 0x46 */
499 { 7, "L4=RD=Sb=" }, /* 0x47 */
500 { 8, "L4=RD=Sb=" }, /* 0x48 */
501 { 9, "L4=RD=Sb=" }, /* 0x49 */
502 { 0, "L4=RD8<b+=Sb=" }, /* 0x4a */
503 { 1, "L4=RD8<b+=Sb=" }, /* 0x4b */
504 { 0, "L4=RD8<b+=Sd=" }, /* 0x4c */
505 { 1, "L4=RD8<b+=Sd=" }, /* 0x4d */
507 { 0, "" }, /* 0x4e */
508 { 0, "" }, /* 0x4f */
510 { 0, "L4=SD=" }, /* 0x50 */
511 { 1, "L4=SD=" }, /* 0x51 */
512 { 2, "L4=SD=" }, /* 0x52 */
513 { 3, "L4=SD=" }, /* 0x53 */
514 { 4, "L4=SD=" }, /* 0x54 */
515 { 5, "L4=SD=" }, /* 0x55 */
516 { 6, "L4=SD=" }, /* 0x56 */
517 { 7, "L4=SD=" }, /* 0x57 */
518 { 8, "L4=SD=" }, /* 0x58 */
519 { 9, "L4=SD=" }, /* 0x59 */
520 { 10, "L4=SD=" }, /* 0x5a */
521 { 11, "L4=SD=" }, /* 0x5b */
522 { 12, "L4=SD=" }, /* 0x5c */
523 { 13, "L4=SD=" }, /* 0x5d */
524 { 14, "L4=SD=" }, /* 0x5e */
525 { 15, "L4=SD=" }, /* 0x5f */
526 { 16, "L4=SD=" }, /* 0x60 */
527 { 17, "L4=SD=" }, /* 0x61 */
528 { 18, "L4=SD=" }, /* 0x62 */
529 { 19, "L4=SD=" }, /* 0x63 */
530 { 20, "L4=SD=" }, /* 0x64 */
531 { 21, "L4=SD=" }, /* 0x65 */
532 { 22, "L4=SD=" }, /* 0x66 */
533 { 23, "L4=SD=" }, /* 0x67 */
534 { 24, "L4=SD=" }, /* 0x68 */
535 { 25, "L4=SD=" }, /* 0x69 */
536 { 26, "L4=SD=" }, /* 0x6a */
537 { 27, "L4=SD=" }, /* 0x6b */
538 { 28, "L4=SD=" }, /* 0x6c */
539 { 29, "L4=SD=" }, /* 0x6d */
540 { 30, "L4=SD=" }, /* 0x6e */
541 { 31, "L4=SD=" }, /* 0x6f */
542 { 32, "L4=Sb=" }, /* 0x70 */
543 { 33, "L4=Sd=" }, /* 0x71 */
545 { 0, "" }, /* 0x72 */
546 { 0, "" }, /* 0x73 */
547 { 0, "" }, /* 0x74 */
548 { 0, "" }, /* 0x75 */
549 { 0, "" }, /* 0x76 */
550 { 0, "" }, /* 0x77 */
552 { 0, "L4=Sb=" }, /* 0x78 */
553 { 1, "L4=Sd=" }, /* 0x79 */
555 { 0, "" }, /* 0x7a */
556 { 0, "" }, /* 0x7b */
557 { 0, "" }, /* 0x7c */
558 { 0, "" }, /* 0x7d */
559 { 0, "" }, /* 0x7e */
560 { 0, "" }, /* 0x7f */
561 /* R_CODE_ONE_SYMBOL */
562 { 0, "L4=SD=" }, /* 0x80 */
563 { 1, "L4=SD=" }, /* 0x81 */
564 { 2, "L4=SD=" }, /* 0x82 */
565 { 3, "L4=SD=" }, /* 0x83 */
566 { 4, "L4=SD=" }, /* 0x84 */
567 { 5, "L4=SD=" }, /* 0x85 */
568 { 6, "L4=SD=" }, /* 0x86 */
569 { 7, "L4=SD=" }, /* 0x87 */
570 { 8, "L4=SD=" }, /* 0x88 */
571 { 9, "L4=SD=" }, /* 0x89 */
572 { 10, "L4=SD=" }, /* 0x8q */
573 { 11, "L4=SD=" }, /* 0x8b */
574 { 12, "L4=SD=" }, /* 0x8c */
575 { 13, "L4=SD=" }, /* 0x8d */
576 { 14, "L4=SD=" }, /* 0x8e */
577 { 15, "L4=SD=" }, /* 0x8f */
578 { 16, "L4=SD=" }, /* 0x90 */
579 { 17, "L4=SD=" }, /* 0x91 */
580 { 18, "L4=SD=" }, /* 0x92 */
581 { 19, "L4=SD=" }, /* 0x93 */
582 { 20, "L4=SD=" }, /* 0x94 */
583 { 21, "L4=SD=" }, /* 0x95 */
584 { 22, "L4=SD=" }, /* 0x96 */
585 { 23, "L4=SD=" }, /* 0x97 */
586 { 24, "L4=SD=" }, /* 0x98 */
587 { 25, "L4=SD=" }, /* 0x99 */
588 { 26, "L4=SD=" }, /* 0x9a */
589 { 27, "L4=SD=" }, /* 0x9b */
590 { 28, "L4=SD=" }, /* 0x9c */
591 { 29, "L4=SD=" }, /* 0x9d */
592 { 30, "L4=SD=" }, /* 0x9e */
593 { 31, "L4=SD=" }, /* 0x9f */
594 { 32, "L4=Sb=" }, /* 0xa0 */
595 { 33, "L4=Sd=" }, /* 0xa1 */
597 { 0, "" }, /* 0xa2 */
598 { 0, "" }, /* 0xa3 */
599 { 0, "" }, /* 0xa4 */
600 { 0, "" }, /* 0xa5 */
601 { 0, "" }, /* 0xa6 */
602 { 0, "" }, /* 0xa7 */
603 { 0, "" }, /* 0xa8 */
604 { 0, "" }, /* 0xa9 */
605 { 0, "" }, /* 0xaa */
606 { 0, "" }, /* 0xab */
607 { 0, "" }, /* 0xac */
608 { 0, "" }, /* 0xad */
610 { 0, "L4=Sb=" }, /* 0xae */
611 { 1, "L4=Sd=" }, /* 0xaf */
613 { 0, "L4=Sb=" }, /* 0xb0 */
614 { 1, "L4=Sd=" }, /* 0xb1 */
616 { 0, "L4=" }, /* 0xb2 */
618 { 0, "Te=Ue=" }, /* 0xb3 */
619 { 1, "Uf=" }, /* 0xb4 */
621 { 0, "" }, /* 0xb5 */
623 { 0, "" }, /* 0xb6 */
625 { 0, "" }, /* 0xb7 */
627 { 0, "R0=" }, /* 0xb8 */
628 { 1, "Rb4*=" }, /* 0xb9 */
629 { 2, "Rd4*=" }, /* 0xba */
631 { 0, "" }, /* 0xbb */
633 { 0, "" }, /* 0xbc */
635 { 0, "Nb=" }, /* 0xbd */
636 { 1, "Nc=" }, /* 0xbe */
637 { 2, "Nd=" }, /* 0xbf */
639 { 0, "L4=" }, /* 0xc0 */
641 { 0, "L4=" }, /* 0xc1 */
643 { 0, "" }, /* 0xc2 */
645 { 0, "" }, /* 0xc3 */
647 { 0, "" }, /* 0xc4 */
649 { 0, "" }, /* 0xc5 */
651 { 0, "" }, /* 0xc6 */
653 { 0, "" }, /* 0xc7 */
655 { 0, "" }, /* 0xc8 */
656 /* R_DATA_OVERRIDE */
657 { 0, "V0=" }, /* 0xc9 */
658 { 1, "Vb=" }, /* 0xca */
659 { 2, "Vc=" }, /* 0xcb */
660 { 3, "Vd=" }, /* 0xcc */
661 { 4, "Ve=" }, /* 0xcd */
663 { 0, "" }, /* 0xce */
665 { 0,"Sd=Ve=Ee=" }, /* 0xcf */
667 { 0, "Ob=" }, /* 0xd0 */
669 { 0, "Ob=Sd=" }, /* 0xd1 */
671 { 0, "Ob=Ve=" }, /* 0xd2 */
673 { 0, "P" }, /* 0xd3 */
674 { 1, "P" }, /* 0xd4 */
675 { 2, "P" }, /* 0xd5 */
676 { 3, "P" }, /* 0xd6 */
678 { 0, "" }, /* 0xd7 */
680 { 0, "" }, /* 0xd8 */
682 { 0, "" }, /* 0xd9 */
684 { 0, "Eb=Sd=Ve=" }, /* 0xda */
686 { 0, "Eb=Mb=" }, /* 0xdb */
688 { 0, "" }, /* 0xdc */
690 { 0, "Ob=Vf=" }, /* 0xdd */
692 { 0, "" }, /* 0xde */
693 { 0, "" }, /* 0xdf */
694 { 0, "" }, /* 0xe0 */
695 { 0, "" }, /* 0xe1 */
696 { 0, "" }, /* 0xe2 */
697 { 0, "" }, /* 0xe3 */
698 { 0, "" }, /* 0xe4 */
699 { 0, "" }, /* 0xe5 */
700 { 0, "" }, /* 0xe6 */
701 { 0, "" }, /* 0xe7 */
702 { 0, "" }, /* 0xe8 */
703 { 0, "" }, /* 0xe9 */
704 { 0, "" }, /* 0xea */
705 { 0, "" }, /* 0xeb */
706 { 0, "" }, /* 0xec */
707 { 0, "" }, /* 0xed */
708 { 0, "" }, /* 0xee */
709 { 0, "" }, /* 0xef */
710 { 0, "" }, /* 0xf0 */
711 { 0, "" }, /* 0xf1 */
712 { 0, "" }, /* 0xf2 */
713 { 0, "" }, /* 0xf3 */
714 { 0, "" }, /* 0xf4 */
715 { 0, "" }, /* 0xf5 */
716 { 0, "" }, /* 0xf6 */
717 { 0, "" }, /* 0xf7 */
718 { 0, "" }, /* 0xf8 */
719 { 0, "" }, /* 0xf9 */
720 { 0, "" }, /* 0xfa */
721 { 0, "" }, /* 0xfb */
722 { 0, "" }, /* 0xfc */
723 { 0, "" }, /* 0xfd */
724 { 0, "" }, /* 0xfe */
725 { 0, "" }, /* 0xff */
728 static const int comp1_opcodes[] = {
749 static const int comp2_opcodes[] = {
757 static const int comp3_opcodes[] = {
763 /* These apparently are not in older versions of hpux reloc.h (hpux7). */
765 #define R_DLT_REL 0x78
769 #define R_AUX_UNWIND 0xcf
773 #define R_SEC_STMT 0xd7
776 /* And these first appeared in hpux10. */
777 #ifndef R_SHORT_PCREL_MODE
778 #define NO_PCREL_MODES
779 #define R_SHORT_PCREL_MODE 0x3e
782 #ifndef R_LONG_PCREL_MODE
783 #define R_LONG_PCREL_MODE 0x3f
795 #define R_LINETAB 0xda
798 #ifndef R_LINETAB_ESC
799 #define R_LINETAB_ESC 0xdb
802 #ifndef R_LTP_OVERRIDE
803 #define R_LTP_OVERRIDE 0xdc
807 #define R_COMMENT 0xdd
810 #define SOM_HOWTO(TYPE, NAME) \
811 HOWTO(TYPE, 0, 0, 32, FALSE, 0, 0, hppa_som_reloc, NAME, FALSE, 0, 0, FALSE)
813 static reloc_howto_type som_hppa_howto_table[] = {
814 SOM_HOWTO (R_NO_RELOCATION, "R_NO_RELOCATION"),
815 SOM_HOWTO (R_NO_RELOCATION, "R_NO_RELOCATION"),
816 SOM_HOWTO (R_NO_RELOCATION, "R_NO_RELOCATION"),
817 SOM_HOWTO (R_NO_RELOCATION, "R_NO_RELOCATION"),
818 SOM_HOWTO (R_NO_RELOCATION, "R_NO_RELOCATION"),
819 SOM_HOWTO (R_NO_RELOCATION, "R_NO_RELOCATION"),
820 SOM_HOWTO (R_NO_RELOCATION, "R_NO_RELOCATION"),
821 SOM_HOWTO (R_NO_RELOCATION, "R_NO_RELOCATION"),
822 SOM_HOWTO (R_NO_RELOCATION, "R_NO_RELOCATION"),
823 SOM_HOWTO (R_NO_RELOCATION, "R_NO_RELOCATION"),
824 SOM_HOWTO (R_NO_RELOCATION, "R_NO_RELOCATION"),
825 SOM_HOWTO (R_NO_RELOCATION, "R_NO_RELOCATION"),
826 SOM_HOWTO (R_NO_RELOCATION, "R_NO_RELOCATION"),
827 SOM_HOWTO (R_NO_RELOCATION, "R_NO_RELOCATION"),
828 SOM_HOWTO (R_NO_RELOCATION, "R_NO_RELOCATION"),
829 SOM_HOWTO (R_NO_RELOCATION, "R_NO_RELOCATION"),
830 SOM_HOWTO (R_NO_RELOCATION, "R_NO_RELOCATION"),
831 SOM_HOWTO (R_NO_RELOCATION, "R_NO_RELOCATION"),
832 SOM_HOWTO (R_NO_RELOCATION, "R_NO_RELOCATION"),
833 SOM_HOWTO (R_NO_RELOCATION, "R_NO_RELOCATION"),
834 SOM_HOWTO (R_NO_RELOCATION, "R_NO_RELOCATION"),
835 SOM_HOWTO (R_NO_RELOCATION, "R_NO_RELOCATION"),
836 SOM_HOWTO (R_NO_RELOCATION, "R_NO_RELOCATION"),
837 SOM_HOWTO (R_NO_RELOCATION, "R_NO_RELOCATION"),
838 SOM_HOWTO (R_NO_RELOCATION, "R_NO_RELOCATION"),
839 SOM_HOWTO (R_NO_RELOCATION, "R_NO_RELOCATION"),
840 SOM_HOWTO (R_NO_RELOCATION, "R_NO_RELOCATION"),
841 SOM_HOWTO (R_NO_RELOCATION, "R_NO_RELOCATION"),
842 SOM_HOWTO (R_NO_RELOCATION, "R_NO_RELOCATION"),
843 SOM_HOWTO (R_NO_RELOCATION, "R_NO_RELOCATION"),
844 SOM_HOWTO (R_NO_RELOCATION, "R_NO_RELOCATION"),
845 SOM_HOWTO (R_NO_RELOCATION, "R_NO_RELOCATION"),
846 SOM_HOWTO (R_ZEROES, "R_ZEROES"),
847 SOM_HOWTO (R_ZEROES, "R_ZEROES"),
848 SOM_HOWTO (R_UNINIT, "R_UNINIT"),
849 SOM_HOWTO (R_UNINIT, "R_UNINIT"),
850 SOM_HOWTO (R_RELOCATION, "R_RELOCATION"),
851 SOM_HOWTO (R_DATA_ONE_SYMBOL, "R_DATA_ONE_SYMBOL"),
852 SOM_HOWTO (R_DATA_ONE_SYMBOL, "R_DATA_ONE_SYMBOL"),
853 SOM_HOWTO (R_DATA_PLABEL, "R_DATA_PLABEL"),
854 SOM_HOWTO (R_DATA_PLABEL, "R_DATA_PLABEL"),
855 SOM_HOWTO (R_SPACE_REF, "R_SPACE_REF"),
856 SOM_HOWTO (R_REPEATED_INIT, "REPEATED_INIT"),
857 SOM_HOWTO (R_REPEATED_INIT, "REPEATED_INIT"),
858 SOM_HOWTO (R_REPEATED_INIT, "REPEATED_INIT"),
859 SOM_HOWTO (R_REPEATED_INIT, "REPEATED_INIT"),
860 SOM_HOWTO (R_RESERVED, "R_RESERVED"),
861 SOM_HOWTO (R_RESERVED, "R_RESERVED"),
862 SOM_HOWTO (R_PCREL_CALL, "R_PCREL_CALL"),
863 SOM_HOWTO (R_PCREL_CALL, "R_PCREL_CALL"),
864 SOM_HOWTO (R_PCREL_CALL, "R_PCREL_CALL"),
865 SOM_HOWTO (R_PCREL_CALL, "R_PCREL_CALL"),
866 SOM_HOWTO (R_PCREL_CALL, "R_PCREL_CALL"),
867 SOM_HOWTO (R_PCREL_CALL, "R_PCREL_CALL"),
868 SOM_HOWTO (R_PCREL_CALL, "R_PCREL_CALL"),
869 SOM_HOWTO (R_PCREL_CALL, "R_PCREL_CALL"),
870 SOM_HOWTO (R_PCREL_CALL, "R_PCREL_CALL"),
871 SOM_HOWTO (R_PCREL_CALL, "R_PCREL_CALL"),
872 SOM_HOWTO (R_PCREL_CALL, "R_PCREL_CALL"),
873 SOM_HOWTO (R_PCREL_CALL, "R_PCREL_CALL"),
874 SOM_HOWTO (R_PCREL_CALL, "R_PCREL_CALL"),
875 SOM_HOWTO (R_PCREL_CALL, "R_PCREL_CALL"),
876 SOM_HOWTO (R_SHORT_PCREL_MODE, "R_SHORT_PCREL_MODE"),
877 SOM_HOWTO (R_LONG_PCREL_MODE, "R_LONG_PCREL_MODE"),
878 SOM_HOWTO (R_ABS_CALL, "R_ABS_CALL"),
879 SOM_HOWTO (R_ABS_CALL, "R_ABS_CALL"),
880 SOM_HOWTO (R_ABS_CALL, "R_ABS_CALL"),
881 SOM_HOWTO (R_ABS_CALL, "R_ABS_CALL"),
882 SOM_HOWTO (R_ABS_CALL, "R_ABS_CALL"),
883 SOM_HOWTO (R_ABS_CALL, "R_ABS_CALL"),
884 SOM_HOWTO (R_ABS_CALL, "R_ABS_CALL"),
885 SOM_HOWTO (R_ABS_CALL, "R_ABS_CALL"),
886 SOM_HOWTO (R_ABS_CALL, "R_ABS_CALL"),
887 SOM_HOWTO (R_ABS_CALL, "R_ABS_CALL"),
888 SOM_HOWTO (R_ABS_CALL, "R_ABS_CALL"),
889 SOM_HOWTO (R_ABS_CALL, "R_ABS_CALL"),
890 SOM_HOWTO (R_ABS_CALL, "R_ABS_CALL"),
891 SOM_HOWTO (R_ABS_CALL, "R_ABS_CALL"),
892 SOM_HOWTO (R_RESERVED, "R_RESERVED"),
893 SOM_HOWTO (R_RESERVED, "R_RESERVED"),
894 SOM_HOWTO (R_DP_RELATIVE, "R_DP_RELATIVE"),
895 SOM_HOWTO (R_DP_RELATIVE, "R_DP_RELATIVE"),
896 SOM_HOWTO (R_DP_RELATIVE, "R_DP_RELATIVE"),
897 SOM_HOWTO (R_DP_RELATIVE, "R_DP_RELATIVE"),
898 SOM_HOWTO (R_DP_RELATIVE, "R_DP_RELATIVE"),
899 SOM_HOWTO (R_DP_RELATIVE, "R_DP_RELATIVE"),
900 SOM_HOWTO (R_DP_RELATIVE, "R_DP_RELATIVE"),
901 SOM_HOWTO (R_DP_RELATIVE, "R_DP_RELATIVE"),
902 SOM_HOWTO (R_DP_RELATIVE, "R_DP_RELATIVE"),
903 SOM_HOWTO (R_DP_RELATIVE, "R_DP_RELATIVE"),
904 SOM_HOWTO (R_DP_RELATIVE, "R_DP_RELATIVE"),
905 SOM_HOWTO (R_DP_RELATIVE, "R_DP_RELATIVE"),
906 SOM_HOWTO (R_DP_RELATIVE, "R_DP_RELATIVE"),
907 SOM_HOWTO (R_DP_RELATIVE, "R_DP_RELATIVE"),
908 SOM_HOWTO (R_DP_RELATIVE, "R_DP_RELATIVE"),
909 SOM_HOWTO (R_DP_RELATIVE, "R_DP_RELATIVE"),
910 SOM_HOWTO (R_DP_RELATIVE, "R_DP_RELATIVE"),
911 SOM_HOWTO (R_DP_RELATIVE, "R_DP_RELATIVE"),
912 SOM_HOWTO (R_DP_RELATIVE, "R_DP_RELATIVE"),
913 SOM_HOWTO (R_DP_RELATIVE, "R_DP_RELATIVE"),
914 SOM_HOWTO (R_DP_RELATIVE, "R_DP_RELATIVE"),
915 SOM_HOWTO (R_DP_RELATIVE, "R_DP_RELATIVE"),
916 SOM_HOWTO (R_DP_RELATIVE, "R_DP_RELATIVE"),
917 SOM_HOWTO (R_DP_RELATIVE, "R_DP_RELATIVE"),
918 SOM_HOWTO (R_DP_RELATIVE, "R_DP_RELATIVE"),
919 SOM_HOWTO (R_DP_RELATIVE, "R_DP_RELATIVE"),
920 SOM_HOWTO (R_DP_RELATIVE, "R_DP_RELATIVE"),
921 SOM_HOWTO (R_DP_RELATIVE, "R_DP_RELATIVE"),
922 SOM_HOWTO (R_DP_RELATIVE, "R_DP_RELATIVE"),
923 SOM_HOWTO (R_DP_RELATIVE, "R_DP_RELATIVE"),
924 SOM_HOWTO (R_DP_RELATIVE, "R_DP_RELATIVE"),
925 SOM_HOWTO (R_DP_RELATIVE, "R_DP_RELATIVE"),
926 SOM_HOWTO (R_DP_RELATIVE, "R_DP_RELATIVE"),
927 SOM_HOWTO (R_DP_RELATIVE, "R_DP_RELATIVE"),
928 SOM_HOWTO (R_DP_RELATIVE, "R_DP_RELATIVE"),
929 SOM_HOWTO (R_RESERVED, "R_RESERVED"),
930 SOM_HOWTO (R_RESERVED, "R_RESERVED"),
931 SOM_HOWTO (R_RESERVED, "R_RESERVED"),
932 SOM_HOWTO (R_RESERVED, "R_RESERVED"),
933 SOM_HOWTO (R_RESERVED, "R_RESERVED"),
934 SOM_HOWTO (R_DLT_REL, "R_DLT_REL"),
935 SOM_HOWTO (R_DLT_REL, "R_DLT_REL"),
936 SOM_HOWTO (R_RESERVED, "R_RESERVED"),
937 SOM_HOWTO (R_RESERVED, "R_RESERVED"),
938 SOM_HOWTO (R_RESERVED, "R_RESERVED"),
939 SOM_HOWTO (R_RESERVED, "R_RESERVED"),
940 SOM_HOWTO (R_RESERVED, "R_RESERVED"),
941 SOM_HOWTO (R_RESERVED, "R_RESERVED"),
942 SOM_HOWTO (R_CODE_ONE_SYMBOL, "R_CODE_ONE_SYMBOL"),
943 SOM_HOWTO (R_CODE_ONE_SYMBOL, "R_CODE_ONE_SYMBOL"),
944 SOM_HOWTO (R_CODE_ONE_SYMBOL, "R_CODE_ONE_SYMBOL"),
945 SOM_HOWTO (R_CODE_ONE_SYMBOL, "R_CODE_ONE_SYMBOL"),
946 SOM_HOWTO (R_CODE_ONE_SYMBOL, "R_CODE_ONE_SYMBOL"),
947 SOM_HOWTO (R_CODE_ONE_SYMBOL, "R_CODE_ONE_SYMBOL"),
948 SOM_HOWTO (R_CODE_ONE_SYMBOL, "R_CODE_ONE_SYMBOL"),
949 SOM_HOWTO (R_CODE_ONE_SYMBOL, "R_CODE_ONE_SYMBOL"),
950 SOM_HOWTO (R_CODE_ONE_SYMBOL, "R_CODE_ONE_SYMBOL"),
951 SOM_HOWTO (R_CODE_ONE_SYMBOL, "R_CODE_ONE_SYMBOL"),
952 SOM_HOWTO (R_CODE_ONE_SYMBOL, "R_CODE_ONE_SYMBOL"),
953 SOM_HOWTO (R_CODE_ONE_SYMBOL, "R_CODE_ONE_SYMBOL"),
954 SOM_HOWTO (R_CODE_ONE_SYMBOL, "R_CODE_ONE_SYMBOL"),
955 SOM_HOWTO (R_CODE_ONE_SYMBOL, "R_CODE_ONE_SYMBOL"),
956 SOM_HOWTO (R_CODE_ONE_SYMBOL, "R_CODE_ONE_SYMBOL"),
957 SOM_HOWTO (R_CODE_ONE_SYMBOL, "R_CODE_ONE_SYMBOL"),
958 SOM_HOWTO (R_CODE_ONE_SYMBOL, "R_CODE_ONE_SYMBOL"),
959 SOM_HOWTO (R_CODE_ONE_SYMBOL, "R_CODE_ONE_SYMBOL"),
960 SOM_HOWTO (R_CODE_ONE_SYMBOL, "R_CODE_ONE_SYMBOL"),
961 SOM_HOWTO (R_CODE_ONE_SYMBOL, "R_CODE_ONE_SYMBOL"),
962 SOM_HOWTO (R_CODE_ONE_SYMBOL, "R_CODE_ONE_SYMBOL"),
963 SOM_HOWTO (R_CODE_ONE_SYMBOL, "R_CODE_ONE_SYMBOL"),
964 SOM_HOWTO (R_CODE_ONE_SYMBOL, "R_CODE_ONE_SYMBOL"),
965 SOM_HOWTO (R_CODE_ONE_SYMBOL, "R_CODE_ONE_SYMBOL"),
966 SOM_HOWTO (R_CODE_ONE_SYMBOL, "R_CODE_ONE_SYMBOL"),
967 SOM_HOWTO (R_CODE_ONE_SYMBOL, "R_CODE_ONE_SYMBOL"),
968 SOM_HOWTO (R_CODE_ONE_SYMBOL, "R_CODE_ONE_SYMBOL"),
969 SOM_HOWTO (R_CODE_ONE_SYMBOL, "R_CODE_ONE_SYMBOL"),
970 SOM_HOWTO (R_CODE_ONE_SYMBOL, "R_CODE_ONE_SYMBOL"),
971 SOM_HOWTO (R_CODE_ONE_SYMBOL, "R_CODE_ONE_SYMBOL"),
972 SOM_HOWTO (R_CODE_ONE_SYMBOL, "R_CODE_ONE_SYMBOL"),
973 SOM_HOWTO (R_CODE_ONE_SYMBOL, "R_CODE_ONE_SYMBOL"),
974 SOM_HOWTO (R_CODE_ONE_SYMBOL, "R_CODE_ONE_SYMBOL"),
975 SOM_HOWTO (R_CODE_ONE_SYMBOL, "R_CODE_ONE_SYMBOL"),
976 SOM_HOWTO (R_CODE_ONE_SYMBOL, "R_CODE_ONE_SYMBOL"),
977 SOM_HOWTO (R_RESERVED, "R_RESERVED"),
978 SOM_HOWTO (R_RESERVED, "R_RESERVED"),
979 SOM_HOWTO (R_RESERVED, "R_RESERVED"),
980 SOM_HOWTO (R_RESERVED, "R_RESERVED"),
981 SOM_HOWTO (R_RESERVED, "R_RESERVED"),
982 SOM_HOWTO (R_RESERVED, "R_RESERVED"),
983 SOM_HOWTO (R_RESERVED, "R_RESERVED"),
984 SOM_HOWTO (R_RESERVED, "R_RESERVED"),
985 SOM_HOWTO (R_RESERVED, "R_RESERVED"),
986 SOM_HOWTO (R_RESERVED, "R_RESERVED"),
987 SOM_HOWTO (R_RESERVED, "R_RESERVED"),
988 SOM_HOWTO (R_MILLI_REL, "R_MILLI_REL"),
989 SOM_HOWTO (R_MILLI_REL, "R_MILLI_REL"),
990 SOM_HOWTO (R_CODE_PLABEL, "R_CODE_PLABEL"),
991 SOM_HOWTO (R_CODE_PLABEL, "R_CODE_PLABEL"),
992 SOM_HOWTO (R_BREAKPOINT, "R_BREAKPOINT"),
993 SOM_HOWTO (R_ENTRY, "R_ENTRY"),
994 SOM_HOWTO (R_ENTRY, "R_ENTRY"),
995 SOM_HOWTO (R_ALT_ENTRY, "R_ALT_ENTRY"),
996 SOM_HOWTO (R_EXIT, "R_EXIT"),
997 SOM_HOWTO (R_BEGIN_TRY, "R_BEGIN_TRY"),
998 SOM_HOWTO (R_END_TRY, "R_END_TRY"),
999 SOM_HOWTO (R_END_TRY, "R_END_TRY"),
1000 SOM_HOWTO (R_END_TRY, "R_END_TRY"),
1001 SOM_HOWTO (R_BEGIN_BRTAB, "R_BEGIN_BRTAB"),
1002 SOM_HOWTO (R_END_BRTAB, "R_END_BRTAB"),
1003 SOM_HOWTO (R_STATEMENT, "R_STATEMENT"),
1004 SOM_HOWTO (R_STATEMENT, "R_STATEMENT"),
1005 SOM_HOWTO (R_STATEMENT, "R_STATEMENT"),
1006 SOM_HOWTO (R_DATA_EXPR, "R_DATA_EXPR"),
1007 SOM_HOWTO (R_CODE_EXPR, "R_CODE_EXPR"),
1008 SOM_HOWTO (R_FSEL, "R_FSEL"),
1009 SOM_HOWTO (R_LSEL, "R_LSEL"),
1010 SOM_HOWTO (R_RSEL, "R_RSEL"),
1011 SOM_HOWTO (R_N_MODE, "R_N_MODE"),
1012 SOM_HOWTO (R_S_MODE, "R_S_MODE"),
1013 SOM_HOWTO (R_D_MODE, "R_D_MODE"),
1014 SOM_HOWTO (R_R_MODE, "R_R_MODE"),
1015 SOM_HOWTO (R_DATA_OVERRIDE, "R_DATA_OVERRIDE"),
1016 SOM_HOWTO (R_DATA_OVERRIDE, "R_DATA_OVERRIDE"),
1017 SOM_HOWTO (R_DATA_OVERRIDE, "R_DATA_OVERRIDE"),
1018 SOM_HOWTO (R_DATA_OVERRIDE, "R_DATA_OVERRIDE"),
1019 SOM_HOWTO (R_DATA_OVERRIDE, "R_DATA_OVERRIDE"),
1020 SOM_HOWTO (R_TRANSLATED, "R_TRANSLATED"),
1021 SOM_HOWTO (R_AUX_UNWIND, "R_AUX_UNWIND"),
1022 SOM_HOWTO (R_COMP1, "R_COMP1"),
1023 SOM_HOWTO (R_COMP2, "R_COMP2"),
1024 SOM_HOWTO (R_COMP3, "R_COMP3"),
1025 SOM_HOWTO (R_PREV_FIXUP, "R_PREV_FIXUP"),
1026 SOM_HOWTO (R_PREV_FIXUP, "R_PREV_FIXUP"),
1027 SOM_HOWTO (R_PREV_FIXUP, "R_PREV_FIXUP"),
1028 SOM_HOWTO (R_PREV_FIXUP, "R_PREV_FIXUP"),
1029 SOM_HOWTO (R_SEC_STMT, "R_SEC_STMT"),
1030 SOM_HOWTO (R_N0SEL, "R_N0SEL"),
1031 SOM_HOWTO (R_N1SEL, "R_N1SEL"),
1032 SOM_HOWTO (R_LINETAB, "R_LINETAB"),
1033 SOM_HOWTO (R_LINETAB_ESC, "R_LINETAB_ESC"),
1034 SOM_HOWTO (R_LTP_OVERRIDE, "R_LTP_OVERRIDE"),
1035 SOM_HOWTO (R_COMMENT, "R_COMMENT"),
1036 SOM_HOWTO (R_RESERVED, "R_RESERVED"),
1037 SOM_HOWTO (R_RESERVED, "R_RESERVED"),
1038 SOM_HOWTO (R_RESERVED, "R_RESERVED"),
1039 SOM_HOWTO (R_RESERVED, "R_RESERVED"),
1040 SOM_HOWTO (R_RESERVED, "R_RESERVED"),
1041 SOM_HOWTO (R_RESERVED, "R_RESERVED"),
1042 SOM_HOWTO (R_RESERVED, "R_RESERVED"),
1043 SOM_HOWTO (R_RESERVED, "R_RESERVED"),
1044 SOM_HOWTO (R_RESERVED, "R_RESERVED"),
1045 SOM_HOWTO (R_RESERVED, "R_RESERVED"),
1046 SOM_HOWTO (R_RESERVED, "R_RESERVED"),
1047 SOM_HOWTO (R_RESERVED, "R_RESERVED"),
1048 SOM_HOWTO (R_RESERVED, "R_RESERVED"),
1049 SOM_HOWTO (R_RESERVED, "R_RESERVED"),
1050 SOM_HOWTO (R_RESERVED, "R_RESERVED"),
1051 SOM_HOWTO (R_RESERVED, "R_RESERVED"),
1052 SOM_HOWTO (R_RESERVED, "R_RESERVED"),
1053 SOM_HOWTO (R_RESERVED, "R_RESERVED"),
1054 SOM_HOWTO (R_RESERVED, "R_RESERVED"),
1055 SOM_HOWTO (R_RESERVED, "R_RESERVED"),
1056 SOM_HOWTO (R_RESERVED, "R_RESERVED"),
1057 SOM_HOWTO (R_RESERVED, "R_RESERVED"),
1058 SOM_HOWTO (R_RESERVED, "R_RESERVED"),
1059 SOM_HOWTO (R_RESERVED, "R_RESERVED"),
1060 SOM_HOWTO (R_RESERVED, "R_RESERVED"),
1061 SOM_HOWTO (R_RESERVED, "R_RESERVED"),
1062 SOM_HOWTO (R_RESERVED, "R_RESERVED"),
1063 SOM_HOWTO (R_RESERVED, "R_RESERVED"),
1064 SOM_HOWTO (R_RESERVED, "R_RESERVED"),
1065 SOM_HOWTO (R_RESERVED, "R_RESERVED"),
1066 SOM_HOWTO (R_RESERVED, "R_RESERVED"),
1067 SOM_HOWTO (R_RESERVED, "R_RESERVED"),
1068 SOM_HOWTO (R_RESERVED, "R_RESERVED"),
1069 SOM_HOWTO (R_RESERVED, "R_RESERVED")
1072 /* Initialize the SOM relocation queue. By definition the queue holds
1073 the last four multibyte fixups. */
1076 som_initialize_reloc_queue (queue)
1077 struct reloc_queue *queue;
1079 queue[0].reloc = NULL;
1081 queue[1].reloc = NULL;
1083 queue[2].reloc = NULL;
1085 queue[3].reloc = NULL;
1089 /* Insert a new relocation into the relocation queue. */
1092 som_reloc_queue_insert (p, size, queue)
1095 struct reloc_queue *queue;
1097 queue[3].reloc = queue[2].reloc;
1098 queue[3].size = queue[2].size;
1099 queue[2].reloc = queue[1].reloc;
1100 queue[2].size = queue[1].size;
1101 queue[1].reloc = queue[0].reloc;
1102 queue[1].size = queue[0].size;
1104 queue[0].size = size;
1107 /* When an entry in the relocation queue is reused, the entry moves
1108 to the front of the queue. */
1111 som_reloc_queue_fix (queue, index)
1112 struct reloc_queue *queue;
1120 unsigned char *tmp1 = queue[0].reloc;
1121 unsigned int tmp2 = queue[0].size;
1122 queue[0].reloc = queue[1].reloc;
1123 queue[0].size = queue[1].size;
1124 queue[1].reloc = tmp1;
1125 queue[1].size = tmp2;
1131 unsigned char *tmp1 = queue[0].reloc;
1132 unsigned int tmp2 = queue[0].size;
1133 queue[0].reloc = queue[2].reloc;
1134 queue[0].size = queue[2].size;
1135 queue[2].reloc = queue[1].reloc;
1136 queue[2].size = queue[1].size;
1137 queue[1].reloc = tmp1;
1138 queue[1].size = tmp2;
1144 unsigned char *tmp1 = queue[0].reloc;
1145 unsigned int tmp2 = queue[0].size;
1146 queue[0].reloc = queue[3].reloc;
1147 queue[0].size = queue[3].size;
1148 queue[3].reloc = queue[2].reloc;
1149 queue[3].size = queue[2].size;
1150 queue[2].reloc = queue[1].reloc;
1151 queue[2].size = queue[1].size;
1152 queue[1].reloc = tmp1;
1153 queue[1].size = tmp2;
1159 /* Search for a particular relocation in the relocation queue. */
1162 som_reloc_queue_find (p, size, queue)
1165 struct reloc_queue *queue;
1167 if (queue[0].reloc && !memcmp (p, queue[0].reloc, size)
1168 && size == queue[0].size)
1170 if (queue[1].reloc && !memcmp (p, queue[1].reloc, size)
1171 && size == queue[1].size)
1173 if (queue[2].reloc && !memcmp (p, queue[2].reloc, size)
1174 && size == queue[2].size)
1176 if (queue[3].reloc && !memcmp (p, queue[3].reloc, size)
1177 && size == queue[3].size)
1182 static unsigned char *
1183 try_prev_fixup (abfd, subspace_reloc_sizep, p, size, queue)
1184 bfd *abfd ATTRIBUTE_UNUSED;
1185 int *subspace_reloc_sizep;
1188 struct reloc_queue *queue;
1190 int queue_index = som_reloc_queue_find (p, size, queue);
1192 if (queue_index != -1)
1194 /* Found this in a previous fixup. Undo the fixup we
1195 just built and use R_PREV_FIXUP instead. We saved
1196 a total of size - 1 bytes in the fixup stream. */
1197 bfd_put_8 (abfd, R_PREV_FIXUP + queue_index, p);
1199 *subspace_reloc_sizep += 1;
1200 som_reloc_queue_fix (queue, queue_index);
1204 som_reloc_queue_insert (p, size, queue);
1205 *subspace_reloc_sizep += size;
1211 /* Emit the proper R_NO_RELOCATION fixups to map the next SKIP
1212 bytes without any relocation. Update the size of the subspace
1213 relocation stream via SUBSPACE_RELOC_SIZE_P; also return the
1214 current pointer into the relocation stream. */
1216 static unsigned char *
1217 som_reloc_skip (abfd, skip, p, subspace_reloc_sizep, queue)
1221 unsigned int *subspace_reloc_sizep;
1222 struct reloc_queue *queue;
1224 /* Use a 4 byte R_NO_RELOCATION entry with a maximal value
1225 then R_PREV_FIXUPs to get the difference down to a
1227 if (skip >= 0x1000000)
1230 bfd_put_8 (abfd, R_NO_RELOCATION + 31, p);
1231 bfd_put_8 (abfd, 0xff, p + 1);
1232 bfd_put_16 (abfd, (bfd_vma) 0xffff, p + 2);
1233 p = try_prev_fixup (abfd, subspace_reloc_sizep, p, 4, queue);
1234 while (skip >= 0x1000000)
1237 bfd_put_8 (abfd, R_PREV_FIXUP, p);
1239 *subspace_reloc_sizep += 1;
1240 /* No need to adjust queue here since we are repeating the
1241 most recent fixup. */
1245 /* The difference must be less than 0x1000000. Use one
1246 more R_NO_RELOCATION entry to get to the right difference. */
1247 if ((skip & 3) == 0 && skip <= 0xc0000 && skip > 0)
1249 /* Difference can be handled in a simple single-byte
1250 R_NO_RELOCATION entry. */
1253 bfd_put_8 (abfd, R_NO_RELOCATION + (skip >> 2) - 1, p);
1254 *subspace_reloc_sizep += 1;
1257 /* Handle it with a two byte R_NO_RELOCATION entry. */
1258 else if (skip <= 0x1000)
1260 bfd_put_8 (abfd, R_NO_RELOCATION + 24 + (((skip >> 2) - 1) >> 8), p);
1261 bfd_put_8 (abfd, (skip >> 2) - 1, p + 1);
1262 p = try_prev_fixup (abfd, subspace_reloc_sizep, p, 2, queue);
1264 /* Handle it with a three byte R_NO_RELOCATION entry. */
1267 bfd_put_8 (abfd, R_NO_RELOCATION + 28 + (((skip >> 2) - 1) >> 16), p);
1268 bfd_put_16 (abfd, (bfd_vma) (skip >> 2) - 1, p + 1);
1269 p = try_prev_fixup (abfd, subspace_reloc_sizep, p, 3, queue);
1272 /* Ugh. Punt and use a 4 byte entry. */
1275 bfd_put_8 (abfd, R_NO_RELOCATION + 31, p);
1276 bfd_put_8 (abfd, (skip - 1) >> 16, p + 1);
1277 bfd_put_16 (abfd, (bfd_vma) skip - 1, p + 2);
1278 p = try_prev_fixup (abfd, subspace_reloc_sizep, p, 4, queue);
1283 /* Emit the proper R_DATA_OVERRIDE fixups to handle a nonzero addend
1284 from a BFD relocation. Update the size of the subspace relocation
1285 stream via SUBSPACE_RELOC_SIZE_P; also return the current pointer
1286 into the relocation stream. */
1288 static unsigned char *
1289 som_reloc_addend (abfd, addend, p, subspace_reloc_sizep, queue)
1293 unsigned int *subspace_reloc_sizep;
1294 struct reloc_queue *queue;
1296 if (addend + 0x80 < 0x100)
1298 bfd_put_8 (abfd, R_DATA_OVERRIDE + 1, p);
1299 bfd_put_8 (abfd, addend, p + 1);
1300 p = try_prev_fixup (abfd, subspace_reloc_sizep, p, 2, queue);
1302 else if (addend + 0x8000 < 0x10000)
1304 bfd_put_8 (abfd, R_DATA_OVERRIDE + 2, p);
1305 bfd_put_16 (abfd, addend, p + 1);
1306 p = try_prev_fixup (abfd, subspace_reloc_sizep, p, 3, queue);
1308 else if (addend + 0x800000 < 0x1000000)
1310 bfd_put_8 (abfd, R_DATA_OVERRIDE + 3, p);
1311 bfd_put_8 (abfd, addend >> 16, p + 1);
1312 bfd_put_16 (abfd, addend, p + 2);
1313 p = try_prev_fixup (abfd, subspace_reloc_sizep, p, 4, queue);
1317 bfd_put_8 (abfd, R_DATA_OVERRIDE + 4, p);
1318 bfd_put_32 (abfd, addend, p + 1);
1319 p = try_prev_fixup (abfd, subspace_reloc_sizep, p, 5, queue);
1324 /* Handle a single function call relocation. */
1326 static unsigned char *
1327 som_reloc_call (abfd, p, subspace_reloc_sizep, bfd_reloc, sym_num, queue)
1330 unsigned int *subspace_reloc_sizep;
1333 struct reloc_queue *queue;
1335 int arg_bits = HPPA_R_ARG_RELOC (bfd_reloc->addend);
1336 int rtn_bits = arg_bits & 0x3;
1339 /* You'll never believe all this is necessary to handle relocations
1340 for function calls. Having to compute and pack the argument
1341 relocation bits is the real nightmare.
1343 If you're interested in how this works, just forget it. You really
1344 do not want to know about this braindamage. */
1346 /* First see if this can be done with a "simple" relocation. Simple
1347 relocations have a symbol number < 0x100 and have simple encodings
1348 of argument relocations. */
1350 if (sym_num < 0x100)
1362 case 1 << 8 | 1 << 6:
1363 case 1 << 8 | 1 << 6 | 1:
1366 case 1 << 8 | 1 << 6 | 1 << 4:
1367 case 1 << 8 | 1 << 6 | 1 << 4 | 1:
1370 case 1 << 8 | 1 << 6 | 1 << 4 | 1 << 2:
1371 case 1 << 8 | 1 << 6 | 1 << 4 | 1 << 2 | 1:
1375 /* Not one of the easy encodings. This will have to be
1376 handled by the more complex code below. */
1382 /* Account for the return value too. */
1386 /* Emit a 2 byte relocation. Then see if it can be handled
1387 with a relocation which is already in the relocation queue. */
1388 bfd_put_8 (abfd, bfd_reloc->howto->type + type, p);
1389 bfd_put_8 (abfd, sym_num, p + 1);
1390 p = try_prev_fixup (abfd, subspace_reloc_sizep, p, 2, queue);
1395 /* If this could not be handled with a simple relocation, then do a hard
1396 one. Hard relocations occur if the symbol number was too high or if
1397 the encoding of argument relocation bits is too complex. */
1400 /* Don't ask about these magic sequences. I took them straight
1401 from gas-1.36 which took them from the a.out man page. */
1403 if ((arg_bits >> 6 & 0xf) == 0xe)
1406 type += (3 * (arg_bits >> 8 & 3) + (arg_bits >> 6 & 3)) * 40;
1407 if ((arg_bits >> 2 & 0xf) == 0xe)
1410 type += (3 * (arg_bits >> 4 & 3) + (arg_bits >> 2 & 3)) * 4;
1412 /* Output the first two bytes of the relocation. These describe
1413 the length of the relocation and encoding style. */
1414 bfd_put_8 (abfd, bfd_reloc->howto->type + 10
1415 + 2 * (sym_num >= 0x100) + (type >= 0x100),
1417 bfd_put_8 (abfd, type, p + 1);
1419 /* Now output the symbol index and see if this bizarre relocation
1420 just happened to be in the relocation queue. */
1421 if (sym_num < 0x100)
1423 bfd_put_8 (abfd, sym_num, p + 2);
1424 p = try_prev_fixup (abfd, subspace_reloc_sizep, p, 3, queue);
1428 bfd_put_8 (abfd, sym_num >> 16, p + 2);
1429 bfd_put_16 (abfd, (bfd_vma) sym_num, p + 3);
1430 p = try_prev_fixup (abfd, subspace_reloc_sizep, p, 5, queue);
1436 /* Return the logarithm of X, base 2, considering X unsigned,
1437 if X is a power of 2. Otherwise, returns -1. */
1445 /* Test for 0 or a power of 2. */
1446 if (x == 0 || x != (x & -x))
1449 while ((x >>= 1) != 0)
1454 static bfd_reloc_status_type
1455 hppa_som_reloc (abfd, reloc_entry, symbol_in, data,
1456 input_section, output_bfd, error_message)
1457 bfd *abfd ATTRIBUTE_UNUSED;
1458 arelent *reloc_entry;
1459 asymbol *symbol_in ATTRIBUTE_UNUSED;
1460 PTR data ATTRIBUTE_UNUSED;
1461 asection *input_section;
1463 char **error_message ATTRIBUTE_UNUSED;
1467 reloc_entry->address += input_section->output_offset;
1468 return bfd_reloc_ok;
1470 return bfd_reloc_ok;
1473 /* Given a generic HPPA relocation type, the instruction format,
1474 and a field selector, return one or more appropriate SOM relocations. */
1477 hppa_som_gen_reloc_type (abfd, base_type, format, field, sym_diff, sym)
1481 enum hppa_reloc_field_selector_type_alt field;
1485 int *final_type, **final_types;
1487 final_types = (int **) bfd_alloc (abfd, (bfd_size_type) sizeof (int *) * 6);
1488 final_type = (int *) bfd_alloc (abfd, (bfd_size_type) sizeof (int));
1489 if (!final_types || !final_type)
1492 /* The field selector may require additional relocations to be
1493 generated. It's impossible to know at this moment if additional
1494 relocations will be needed, so we make them. The code to actually
1495 write the relocation/fixup stream is responsible for removing
1496 any redundant relocations. */
1503 final_types[0] = final_type;
1504 final_types[1] = NULL;
1505 final_types[2] = NULL;
1506 *final_type = base_type;
1512 final_types[0] = (int *) bfd_alloc (abfd, (bfd_size_type) sizeof (int));
1513 if (!final_types[0])
1515 if (field == e_tsel)
1516 *final_types[0] = R_FSEL;
1517 else if (field == e_ltsel)
1518 *final_types[0] = R_LSEL;
1520 *final_types[0] = R_RSEL;
1521 final_types[1] = final_type;
1522 final_types[2] = NULL;
1523 *final_type = base_type;
1528 final_types[0] = (int *) bfd_alloc (abfd, (bfd_size_type) sizeof (int));
1529 if (!final_types[0])
1531 *final_types[0] = R_S_MODE;
1532 final_types[1] = final_type;
1533 final_types[2] = NULL;
1534 *final_type = base_type;
1539 final_types[0] = (int *) bfd_alloc (abfd, (bfd_size_type) sizeof (int));
1540 if (!final_types[0])
1542 *final_types[0] = R_N_MODE;
1543 final_types[1] = final_type;
1544 final_types[2] = NULL;
1545 *final_type = base_type;
1550 final_types[0] = (int *) bfd_alloc (abfd, (bfd_size_type) sizeof (int));
1551 if (!final_types[0])
1553 *final_types[0] = R_D_MODE;
1554 final_types[1] = final_type;
1555 final_types[2] = NULL;
1556 *final_type = base_type;
1561 final_types[0] = (int *) bfd_alloc (abfd, (bfd_size_type) sizeof (int));
1562 if (!final_types[0])
1564 *final_types[0] = R_R_MODE;
1565 final_types[1] = final_type;
1566 final_types[2] = NULL;
1567 *final_type = base_type;
1571 final_types[0] = (int *) bfd_alloc (abfd, (bfd_size_type) sizeof (int));
1572 if (!final_types[0])
1574 *final_types[0] = R_N1SEL;
1575 final_types[1] = final_type;
1576 final_types[2] = NULL;
1577 *final_type = base_type;
1582 final_types[0] = (int *) bfd_alloc (abfd, (bfd_size_type) sizeof (int));
1583 if (!final_types[0])
1585 *final_types[0] = R_N0SEL;
1586 final_types[1] = (int *) bfd_alloc (abfd, (bfd_size_type) sizeof (int));
1587 if (!final_types[1])
1589 if (field == e_nlsel)
1590 *final_types[1] = R_N_MODE;
1592 *final_types[1] = R_R_MODE;
1593 final_types[2] = final_type;
1594 final_types[3] = NULL;
1595 *final_type = base_type;
1598 /* FIXME: These two field selectors are not currently supported. */
1607 /* The difference of two symbols needs *very* special handling. */
1610 bfd_size_type amt = sizeof (int);
1611 final_types[0] = (int *) bfd_alloc (abfd, amt);
1612 final_types[1] = (int *) bfd_alloc (abfd, amt);
1613 final_types[2] = (int *) bfd_alloc (abfd, amt);
1614 final_types[3] = (int *) bfd_alloc (abfd, amt);
1615 if (!final_types[0] || !final_types[1] || !final_types[2])
1617 if (field == e_fsel)
1618 *final_types[0] = R_FSEL;
1619 else if (field == e_rsel)
1620 *final_types[0] = R_RSEL;
1621 else if (field == e_lsel)
1622 *final_types[0] = R_LSEL;
1623 *final_types[1] = R_COMP2;
1624 *final_types[2] = R_COMP2;
1625 *final_types[3] = R_COMP1;
1626 final_types[4] = final_type;
1628 *final_types[4] = R_DATA_EXPR;
1630 *final_types[4] = R_CODE_EXPR;
1631 final_types[5] = NULL;
1634 /* PLABELs get their own relocation type. */
1635 else if (field == e_psel
1637 || field == e_rpsel)
1639 /* A PLABEL relocation that has a size of 32 bits must
1640 be a R_DATA_PLABEL. All others are R_CODE_PLABELs. */
1642 *final_type = R_DATA_PLABEL;
1644 *final_type = R_CODE_PLABEL;
1647 else if (field == e_tsel
1649 || field == e_rtsel)
1650 *final_type = R_DLT_REL;
1651 /* A relocation in the data space is always a full 32bits. */
1652 else if (format == 32)
1654 *final_type = R_DATA_ONE_SYMBOL;
1656 /* If there's no SOM symbol type associated with this BFD
1657 symbol, then set the symbol type to ST_DATA.
1659 Only do this if the type is going to default later when
1660 we write the object file.
1662 This is done so that the linker never encounters an
1663 R_DATA_ONE_SYMBOL reloc involving an ST_CODE symbol.
1665 This allows the compiler to generate exception handling
1668 Note that one day we may need to also emit BEGIN_BRTAB and
1669 END_BRTAB to prevent the linker from optimizing away insns
1670 in exception handling regions. */
1671 if (som_symbol_data (sym)->som_type == SYMBOL_TYPE_UNKNOWN
1672 && (sym->flags & BSF_SECTION_SYM) == 0
1673 && (sym->flags & BSF_FUNCTION) == 0
1674 && ! bfd_is_com_section (sym->section))
1675 som_symbol_data (sym)->som_type = SYMBOL_TYPE_DATA;
1680 /* More PLABEL special cases. */
1683 || field == e_rpsel)
1684 *final_type = R_DATA_PLABEL;
1687 case R_HPPA_COMPLEX:
1688 /* The difference of two symbols needs *very* special handling. */
1691 bfd_size_type amt = sizeof (int);
1692 final_types[0] = (int *) bfd_alloc (abfd, amt);
1693 final_types[1] = (int *) bfd_alloc (abfd, amt);
1694 final_types[2] = (int *) bfd_alloc (abfd, amt);
1695 final_types[3] = (int *) bfd_alloc (abfd, amt);
1696 if (!final_types[0] || !final_types[1] || !final_types[2])
1698 if (field == e_fsel)
1699 *final_types[0] = R_FSEL;
1700 else if (field == e_rsel)
1701 *final_types[0] = R_RSEL;
1702 else if (field == e_lsel)
1703 *final_types[0] = R_LSEL;
1704 *final_types[1] = R_COMP2;
1705 *final_types[2] = R_COMP2;
1706 *final_types[3] = R_COMP1;
1707 final_types[4] = final_type;
1709 *final_types[4] = R_DATA_EXPR;
1711 *final_types[4] = R_CODE_EXPR;
1712 final_types[5] = NULL;
1719 case R_HPPA_ABS_CALL:
1720 /* Right now we can default all these. */
1723 case R_HPPA_PCREL_CALL:
1725 #ifndef NO_PCREL_MODES
1726 /* If we have short and long pcrel modes, then generate the proper
1727 mode selector, then the pcrel relocation. Redundant selectors
1728 will be eliminated as the relocs are sized and emitted. */
1729 bfd_size_type amt = sizeof (int);
1730 final_types[0] = (int *) bfd_alloc (abfd, amt);
1731 if (!final_types[0])
1734 *final_types[0] = R_SHORT_PCREL_MODE;
1736 *final_types[0] = R_LONG_PCREL_MODE;
1737 final_types[1] = final_type;
1738 final_types[2] = NULL;
1739 *final_type = base_type;
1747 /* Return the address of the correct entry in the PA SOM relocation
1750 static reloc_howto_type *
1751 som_bfd_reloc_type_lookup (abfd, code)
1752 bfd *abfd ATTRIBUTE_UNUSED;
1753 bfd_reloc_code_real_type code;
1755 if ((int) code < (int) R_NO_RELOCATION + 255)
1757 BFD_ASSERT ((int) som_hppa_howto_table[(int) code].type == (int) code);
1758 return &som_hppa_howto_table[(int) code];
1761 return (reloc_howto_type *) 0;
1764 /* Perform some initialization for an object. Save results of this
1765 initialization in the BFD. */
1767 static const bfd_target *
1768 som_object_setup (abfd, file_hdrp, aux_hdrp, current_offset)
1770 struct header *file_hdrp;
1771 struct som_exec_auxhdr *aux_hdrp;
1772 unsigned long current_offset;
1777 /* som_mkobject will set bfd_error if som_mkobject fails. */
1778 if (! som_mkobject (abfd))
1781 /* Set BFD flags based on what information is available in the SOM. */
1782 abfd->flags = BFD_NO_FLAGS;
1783 if (file_hdrp->symbol_total)
1784 abfd->flags |= HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS;
1786 switch (file_hdrp->a_magic)
1789 abfd->flags |= (D_PAGED | WP_TEXT | EXEC_P);
1792 abfd->flags |= (WP_TEXT | EXEC_P);
1795 abfd->flags |= (EXEC_P);
1798 abfd->flags |= HAS_RELOC;
1806 abfd->flags |= DYNAMIC;
1813 /* Allocate space to hold the saved exec header information. */
1814 obj_som_exec_data (abfd) = (struct som_exec_data *)
1815 bfd_zalloc (abfd, (bfd_size_type) sizeof (struct som_exec_data));
1816 if (obj_som_exec_data (abfd) == NULL)
1819 /* The braindamaged OSF1 linker switched exec_flags and exec_entry!
1821 We used to identify OSF1 binaries based on NEW_VERSION_ID, but
1822 apparently the latest HPUX linker is using NEW_VERSION_ID now.
1824 It's about time, OSF has used the new id since at least 1992;
1825 HPUX didn't start till nearly 1995!.
1827 The new approach examines the entry field. If it's zero or not 4
1828 byte aligned then it's not a proper code address and we guess it's
1829 really the executable flags. */
1831 for (section = abfd->sections; section; section = section->next)
1835 if ((section->flags & SEC_CODE) == 0)
1837 entry = aux_hdrp->exec_entry;
1838 if (entry >= section->vma
1839 && entry < section->vma + section->_cooked_size)
1842 if (aux_hdrp->exec_entry == 0
1843 || (aux_hdrp->exec_entry & 0x3) != 0
1846 bfd_get_start_address (abfd) = aux_hdrp->exec_flags;
1847 obj_som_exec_data (abfd)->exec_flags = aux_hdrp->exec_entry;
1851 bfd_get_start_address (abfd) = aux_hdrp->exec_entry + current_offset;
1852 obj_som_exec_data (abfd)->exec_flags = aux_hdrp->exec_flags;
1855 obj_som_exec_data (abfd)->version_id = file_hdrp->version_id;
1857 bfd_default_set_arch_mach (abfd, bfd_arch_hppa, pa10);
1858 bfd_get_symcount (abfd) = file_hdrp->symbol_total;
1860 /* Initialize the saved symbol table and string table to NULL.
1861 Save important offsets and sizes from the SOM header into
1863 obj_som_stringtab (abfd) = (char *) NULL;
1864 obj_som_symtab (abfd) = (som_symbol_type *) NULL;
1865 obj_som_sorted_syms (abfd) = NULL;
1866 obj_som_stringtab_size (abfd) = file_hdrp->symbol_strings_size;
1867 obj_som_sym_filepos (abfd) = file_hdrp->symbol_location + current_offset;
1868 obj_som_str_filepos (abfd) = (file_hdrp->symbol_strings_location
1870 obj_som_reloc_filepos (abfd) = (file_hdrp->fixup_request_location
1872 obj_som_exec_data (abfd)->system_id = file_hdrp->system_id;
1877 /* Convert all of the space and subspace info into BFD sections. Each space
1878 contains a number of subspaces, which in turn describe the mapping between
1879 regions of the exec file, and the address space that the program runs in.
1880 BFD sections which correspond to spaces will overlap the sections for the
1881 associated subspaces. */
1884 setup_sections (abfd, file_hdr, current_offset)
1886 struct header *file_hdr;
1887 unsigned long current_offset;
1889 char *space_strings;
1890 unsigned int space_index, i;
1891 unsigned int total_subspaces = 0;
1892 asection **subspace_sections = NULL;
1896 /* First, read in space names. */
1898 amt = file_hdr->space_strings_size;
1899 space_strings = bfd_malloc (amt);
1900 if (!space_strings && amt != 0)
1903 if (bfd_seek (abfd, current_offset + file_hdr->space_strings_location,
1906 if (bfd_bread (space_strings, amt, abfd) != amt)
1909 /* Loop over all of the space dictionaries, building up sections. */
1910 for (space_index = 0; space_index < file_hdr->space_total; space_index++)
1912 struct space_dictionary_record space;
1913 struct som_subspace_dictionary_record subspace, save_subspace;
1914 unsigned int subspace_index;
1915 asection *space_asect;
1918 /* Read the space dictionary element. */
1920 (current_offset + file_hdr->space_location
1921 + space_index * sizeof space),
1925 if (bfd_bread (&space, amt, abfd) != amt)
1928 /* Setup the space name string. */
1929 space.name.n_name = space.name.n_strx + space_strings;
1931 /* Make a section out of it. */
1932 amt = strlen (space.name.n_name) + 1;
1933 newname = bfd_alloc (abfd, amt);
1936 strcpy (newname, space.name.n_name);
1938 space_asect = bfd_make_section_anyway (abfd, newname);
1942 if (space.is_loadable == 0)
1943 space_asect->flags |= SEC_DEBUGGING;
1945 /* Set up all the attributes for the space. */
1946 if (! bfd_som_set_section_attributes (space_asect, space.is_defined,
1947 space.is_private, space.sort_key,
1948 space.space_number))
1951 /* If the space has no subspaces, then we're done. */
1952 if (space.subspace_quantity == 0)
1955 /* Now, read in the first subspace for this space. */
1957 (current_offset + file_hdr->subspace_location
1958 + space.subspace_index * sizeof subspace),
1961 amt = sizeof subspace;
1962 if (bfd_bread (&subspace, amt, abfd) != amt)
1964 /* Seek back to the start of the subspaces for loop below. */
1966 (current_offset + file_hdr->subspace_location
1967 + space.subspace_index * sizeof subspace),
1971 /* Setup the start address and file loc from the first subspace
1973 space_asect->vma = subspace.subspace_start;
1974 space_asect->filepos = subspace.file_loc_init_value + current_offset;
1975 space_asect->alignment_power = exact_log2 (subspace.alignment);
1976 if (space_asect->alignment_power == (unsigned) -1)
1979 /* Initialize save_subspace so we can reliably determine if this
1980 loop placed any useful values into it. */
1981 memset (&save_subspace, 0, sizeof (save_subspace));
1983 /* Loop over the rest of the subspaces, building up more sections. */
1984 for (subspace_index = 0; subspace_index < space.subspace_quantity;
1987 asection *subspace_asect;
1989 /* Read in the next subspace. */
1990 amt = sizeof subspace;
1991 if (bfd_bread (&subspace, amt, abfd) != amt)
1994 /* Setup the subspace name string. */
1995 subspace.name.n_name = subspace.name.n_strx + space_strings;
1997 amt = strlen (subspace.name.n_name) + 1;
1998 newname = bfd_alloc (abfd, amt);
2001 strcpy (newname, subspace.name.n_name);
2003 /* Make a section out of this subspace. */
2004 subspace_asect = bfd_make_section_anyway (abfd, newname);
2005 if (!subspace_asect)
2008 /* Store private information about the section. */
2009 if (! bfd_som_set_subsection_attributes (subspace_asect, space_asect,
2010 subspace.access_control_bits,
2015 subspace.dup_common))
2018 /* Keep an easy mapping between subspaces and sections.
2019 Note we do not necessarily read the subspaces in the
2020 same order in which they appear in the object file.
2022 So to make the target index come out correctly, we
2023 store the location of the subspace header in target
2024 index, then sort using the location of the subspace
2025 header as the key. Then we can assign correct
2026 subspace indices. */
2028 subspace_asect->target_index = bfd_tell (abfd) - sizeof (subspace);
2030 /* Set SEC_READONLY and SEC_CODE/SEC_DATA as specified
2031 by the access_control_bits in the subspace header. */
2032 switch (subspace.access_control_bits >> 4)
2034 /* Readonly data. */
2036 subspace_asect->flags |= SEC_DATA | SEC_READONLY;
2041 subspace_asect->flags |= SEC_DATA;
2044 /* Readonly code and the gateways.
2045 Gateways have other attributes which do not map
2046 into anything BFD knows about. */
2052 subspace_asect->flags |= SEC_CODE | SEC_READONLY;
2055 /* dynamic (writable) code. */
2057 subspace_asect->flags |= SEC_CODE;
2061 if (subspace.is_comdat || subspace.is_common || subspace.dup_common)
2062 subspace_asect->flags |= SEC_LINK_ONCE;
2064 if (subspace.subspace_length > 0)
2065 subspace_asect->flags |= SEC_HAS_CONTENTS;
2067 if (subspace.is_loadable)
2068 subspace_asect->flags |= SEC_ALLOC | SEC_LOAD;
2070 subspace_asect->flags |= SEC_DEBUGGING;
2072 if (subspace.code_only)
2073 subspace_asect->flags |= SEC_CODE;
2075 /* Both file_loc_init_value and initialization_length will
2076 be zero for a BSS like subspace. */
2077 if (subspace.file_loc_init_value == 0
2078 && subspace.initialization_length == 0)
2079 subspace_asect->flags &= ~(SEC_DATA | SEC_LOAD | SEC_HAS_CONTENTS);
2081 /* This subspace has relocations.
2082 The fixup_request_quantity is a byte count for the number of
2083 entries in the relocation stream; it is not the actual number
2084 of relocations in the subspace. */
2085 if (subspace.fixup_request_quantity != 0)
2087 subspace_asect->flags |= SEC_RELOC;
2088 subspace_asect->rel_filepos = subspace.fixup_request_index;
2089 som_section_data (subspace_asect)->reloc_size
2090 = subspace.fixup_request_quantity;
2091 /* We can not determine this yet. When we read in the
2092 relocation table the correct value will be filled in. */
2093 subspace_asect->reloc_count = (unsigned) -1;
2096 /* Update save_subspace if appropriate. */
2097 if (subspace.file_loc_init_value > save_subspace.file_loc_init_value)
2098 save_subspace = subspace;
2100 subspace_asect->vma = subspace.subspace_start;
2101 subspace_asect->_cooked_size = subspace.subspace_length;
2102 subspace_asect->_raw_size = subspace.subspace_length;
2103 subspace_asect->filepos = (subspace.file_loc_init_value
2105 subspace_asect->alignment_power = exact_log2 (subspace.alignment);
2106 if (subspace_asect->alignment_power == (unsigned) -1)
2110 /* This can happen for a .o which defines symbols in otherwise
2112 if (!save_subspace.file_loc_init_value)
2114 space_asect->_cooked_size = 0;
2115 space_asect->_raw_size = 0;
2119 /* Setup the sizes for the space section based upon the info in the
2120 last subspace of the space. */
2121 space_asect->_cooked_size = (save_subspace.subspace_start
2123 + save_subspace.subspace_length);
2124 space_asect->_raw_size = (save_subspace.file_loc_init_value
2125 - space_asect->filepos
2126 + save_subspace.initialization_length);
2129 /* Now that we've read in all the subspace records, we need to assign
2130 a target index to each subspace. */
2131 amt = total_subspaces;
2132 amt *= sizeof (asection *);
2133 subspace_sections = (asection **) bfd_malloc (amt);
2134 if (subspace_sections == NULL)
2137 for (i = 0, section = abfd->sections; section; section = section->next)
2139 if (!som_is_subspace (section))
2142 subspace_sections[i] = section;
2145 qsort (subspace_sections, total_subspaces,
2146 sizeof (asection *), compare_subspaces);
2148 /* subspace_sections is now sorted in the order in which the subspaces
2149 appear in the object file. Assign an index to each one now. */
2150 for (i = 0; i < total_subspaces; i++)
2151 subspace_sections[i]->target_index = i;
2153 if (space_strings != NULL)
2154 free (space_strings);
2156 if (subspace_sections != NULL)
2157 free (subspace_sections);
2162 if (space_strings != NULL)
2163 free (space_strings);
2165 if (subspace_sections != NULL)
2166 free (subspace_sections);
2170 /* Read in a SOM object and make it into a BFD. */
2172 static const bfd_target *
2176 struct header file_hdr;
2177 struct som_exec_auxhdr aux_hdr;
2178 unsigned long current_offset = 0;
2179 struct lst_header lst_header;
2180 struct som_entry som_entry;
2182 #define ENTRY_SIZE sizeof (struct som_entry)
2184 amt = FILE_HDR_SIZE;
2185 if (bfd_bread ((PTR) &file_hdr, amt, abfd) != amt)
2187 if (bfd_get_error () != bfd_error_system_call)
2188 bfd_set_error (bfd_error_wrong_format);
2192 if (!_PA_RISC_ID (file_hdr.system_id))
2194 bfd_set_error (bfd_error_wrong_format);
2198 switch (file_hdr.a_magic)
2210 #ifdef SHARED_MAGIC_CNX
2211 case SHARED_MAGIC_CNX:
2217 /* Read the lst header and determine where the SOM directory begins. */
2219 if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
2221 if (bfd_get_error () != bfd_error_system_call)
2222 bfd_set_error (bfd_error_wrong_format);
2227 if (bfd_bread ((PTR) &lst_header, amt, abfd) != amt)
2229 if (bfd_get_error () != bfd_error_system_call)
2230 bfd_set_error (bfd_error_wrong_format);
2234 /* Position to and read the first directory entry. */
2236 if (bfd_seek (abfd, lst_header.dir_loc, SEEK_SET) != 0)
2238 if (bfd_get_error () != bfd_error_system_call)
2239 bfd_set_error (bfd_error_wrong_format);
2244 if (bfd_bread ((PTR) &som_entry, amt, abfd) != amt)
2246 if (bfd_get_error () != bfd_error_system_call)
2247 bfd_set_error (bfd_error_wrong_format);
2251 /* Now position to the first SOM. */
2253 if (bfd_seek (abfd, som_entry.location, SEEK_SET) != 0)
2255 if (bfd_get_error () != bfd_error_system_call)
2256 bfd_set_error (bfd_error_wrong_format);
2260 current_offset = som_entry.location;
2262 /* And finally, re-read the som header. */
2263 amt = FILE_HDR_SIZE;
2264 if (bfd_bread ((PTR) &file_hdr, amt, abfd) != amt)
2266 if (bfd_get_error () != bfd_error_system_call)
2267 bfd_set_error (bfd_error_wrong_format);
2275 bfd_set_error (bfd_error_wrong_format);
2279 if (file_hdr.version_id != VERSION_ID
2280 && file_hdr.version_id != NEW_VERSION_ID)
2282 bfd_set_error (bfd_error_wrong_format);
2286 /* If the aux_header_size field in the file header is zero, then this
2287 object is an incomplete executable (a .o file). Do not try to read
2288 a non-existant auxiliary header. */
2289 memset (&aux_hdr, 0, sizeof (struct som_exec_auxhdr));
2290 if (file_hdr.aux_header_size != 0)
2293 if (bfd_bread ((PTR) &aux_hdr, amt, abfd) != amt)
2295 if (bfd_get_error () != bfd_error_system_call)
2296 bfd_set_error (bfd_error_wrong_format);
2301 if (!setup_sections (abfd, &file_hdr, current_offset))
2303 /* setup_sections does not bubble up a bfd error code. */
2304 bfd_set_error (bfd_error_bad_value);
2308 /* This appears to be a valid SOM object. Do some initialization. */
2309 return som_object_setup (abfd, &file_hdr, &aux_hdr, current_offset);
2312 /* Create a SOM object. */
2318 /* Allocate memory to hold backend information. */
2319 abfd->tdata.som_data = (struct som_data_struct *)
2320 bfd_zalloc (abfd, (bfd_size_type) sizeof (struct som_data_struct));
2321 if (abfd->tdata.som_data == NULL)
2326 /* Initialize some information in the file header. This routine makes
2327 not attempt at doing the right thing for a full executable; it
2328 is only meant to handle relocatable objects. */
2331 som_prep_headers (abfd)
2334 struct header *file_hdr;
2336 bfd_size_type amt = sizeof (struct header);
2338 /* Make and attach a file header to the BFD. */
2339 file_hdr = (struct header *) bfd_zalloc (abfd, amt);
2340 if (file_hdr == NULL)
2342 obj_som_file_hdr (abfd) = file_hdr;
2344 if (abfd->flags & (EXEC_P | DYNAMIC))
2346 /* Make and attach an exec header to the BFD. */
2347 amt = sizeof (struct som_exec_auxhdr);
2348 obj_som_exec_hdr (abfd) =
2349 (struct som_exec_auxhdr *) bfd_zalloc (abfd, amt);
2350 if (obj_som_exec_hdr (abfd) == NULL)
2353 if (abfd->flags & D_PAGED)
2354 file_hdr->a_magic = DEMAND_MAGIC;
2355 else if (abfd->flags & WP_TEXT)
2356 file_hdr->a_magic = SHARE_MAGIC;
2358 else if (abfd->flags & DYNAMIC)
2359 file_hdr->a_magic = SHL_MAGIC;
2362 file_hdr->a_magic = EXEC_MAGIC;
2365 file_hdr->a_magic = RELOC_MAGIC;
2367 /* These fields are optional, and embedding timestamps is not always
2368 a wise thing to do, it makes comparing objects during a multi-stage
2369 bootstrap difficult. */
2370 file_hdr->file_time.secs = 0;
2371 file_hdr->file_time.nanosecs = 0;
2373 file_hdr->entry_space = 0;
2374 file_hdr->entry_subspace = 0;
2375 file_hdr->entry_offset = 0;
2376 file_hdr->presumed_dp = 0;
2378 /* Now iterate over the sections translating information from
2379 BFD sections to SOM spaces/subspaces. */
2381 for (section = abfd->sections; section != NULL; section = section->next)
2383 /* Ignore anything which has not been marked as a space or
2385 if (!som_is_space (section) && !som_is_subspace (section))
2388 if (som_is_space (section))
2390 /* Allocate space for the space dictionary. */
2391 amt = sizeof (struct space_dictionary_record);
2392 som_section_data (section)->space_dict =
2393 (struct space_dictionary_record *) bfd_zalloc (abfd, amt);
2394 if (som_section_data (section)->space_dict == NULL)
2396 /* Set space attributes. Note most attributes of SOM spaces
2397 are set based on the subspaces it contains. */
2398 som_section_data (section)->space_dict->loader_fix_index = -1;
2399 som_section_data (section)->space_dict->init_pointer_index = -1;
2401 /* Set more attributes that were stuffed away in private data. */
2402 som_section_data (section)->space_dict->sort_key =
2403 som_section_data (section)->copy_data->sort_key;
2404 som_section_data (section)->space_dict->is_defined =
2405 som_section_data (section)->copy_data->is_defined;
2406 som_section_data (section)->space_dict->is_private =
2407 som_section_data (section)->copy_data->is_private;
2408 som_section_data (section)->space_dict->space_number =
2409 som_section_data (section)->copy_data->space_number;
2413 /* Allocate space for the subspace dictionary. */
2414 amt = sizeof (struct som_subspace_dictionary_record);
2415 som_section_data (section)->subspace_dict =
2416 (struct som_subspace_dictionary_record *) bfd_zalloc (abfd, amt);
2417 if (som_section_data (section)->subspace_dict == NULL)
2420 /* Set subspace attributes. Basic stuff is done here, additional
2421 attributes are filled in later as more information becomes
2423 if (section->flags & SEC_ALLOC)
2424 som_section_data (section)->subspace_dict->is_loadable = 1;
2426 if (section->flags & SEC_CODE)
2427 som_section_data (section)->subspace_dict->code_only = 1;
2429 som_section_data (section)->subspace_dict->subspace_start =
2431 som_section_data (section)->subspace_dict->subspace_length =
2432 bfd_section_size (abfd, section);
2433 som_section_data (section)->subspace_dict->initialization_length =
2434 bfd_section_size (abfd, section);
2435 som_section_data (section)->subspace_dict->alignment =
2436 1 << section->alignment_power;
2438 /* Set more attributes that were stuffed away in private data. */
2439 som_section_data (section)->subspace_dict->sort_key =
2440 som_section_data (section)->copy_data->sort_key;
2441 som_section_data (section)->subspace_dict->access_control_bits =
2442 som_section_data (section)->copy_data->access_control_bits;
2443 som_section_data (section)->subspace_dict->quadrant =
2444 som_section_data (section)->copy_data->quadrant;
2445 som_section_data (section)->subspace_dict->is_comdat =
2446 som_section_data (section)->copy_data->is_comdat;
2447 som_section_data (section)->subspace_dict->is_common =
2448 som_section_data (section)->copy_data->is_common;
2449 som_section_data (section)->subspace_dict->dup_common =
2450 som_section_data (section)->copy_data->dup_common;
2456 /* Return TRUE if the given section is a SOM space, FALSE otherwise. */
2459 som_is_space (section)
2462 /* If no copy data is available, then it's neither a space nor a
2464 if (som_section_data (section)->copy_data == NULL)
2467 /* If the containing space isn't the same as the given section,
2468 then this isn't a space. */
2469 if (som_section_data (section)->copy_data->container != section
2470 && (som_section_data (section)->copy_data->container->output_section
2474 /* OK. Must be a space. */
2478 /* Return TRUE if the given section is a SOM subspace, FALSE otherwise. */
2481 som_is_subspace (section)
2484 /* If no copy data is available, then it's neither a space nor a
2486 if (som_section_data (section)->copy_data == NULL)
2489 /* If the containing space is the same as the given section,
2490 then this isn't a subspace. */
2491 if (som_section_data (section)->copy_data->container == section
2492 || (som_section_data (section)->copy_data->container->output_section
2496 /* OK. Must be a subspace. */
2500 /* Return TRUE if the given space contains the given subspace. It
2501 is safe to assume space really is a space, and subspace really
2505 som_is_container (space, subspace)
2506 asection *space, *subspace;
2508 return (som_section_data (subspace)->copy_data->container == space
2509 || (som_section_data (subspace)->copy_data->container->output_section
2513 /* Count and return the number of spaces attached to the given BFD. */
2515 static unsigned long
2516 som_count_spaces (abfd)
2522 for (section = abfd->sections; section != NULL; section = section->next)
2523 count += som_is_space (section);
2528 /* Count the number of subspaces attached to the given BFD. */
2530 static unsigned long
2531 som_count_subspaces (abfd)
2537 for (section = abfd->sections; section != NULL; section = section->next)
2538 count += som_is_subspace (section);
2543 /* Return -1, 0, 1 indicating the relative ordering of sym1 and sym2.
2545 We desire symbols to be ordered starting with the symbol with the
2546 highest relocation count down to the symbol with the lowest relocation
2547 count. Doing so compacts the relocation stream. */
2550 compare_syms (arg1, arg2)
2555 asymbol **sym1 = (asymbol **) arg1;
2556 asymbol **sym2 = (asymbol **) arg2;
2557 unsigned int count1, count2;
2559 /* Get relocation count for each symbol. Note that the count
2560 is stored in the udata pointer for section symbols! */
2561 if ((*sym1)->flags & BSF_SECTION_SYM)
2562 count1 = (*sym1)->udata.i;
2564 count1 = som_symbol_data (*sym1)->reloc_count;
2566 if ((*sym2)->flags & BSF_SECTION_SYM)
2567 count2 = (*sym2)->udata.i;
2569 count2 = som_symbol_data (*sym2)->reloc_count;
2571 /* Return the appropriate value. */
2572 if (count1 < count2)
2574 else if (count1 > count2)
2579 /* Return -1, 0, 1 indicating the relative ordering of subspace1
2583 compare_subspaces (arg1, arg2)
2588 asection **subspace1 = (asection **) arg1;
2589 asection **subspace2 = (asection **) arg2;
2591 if ((*subspace1)->target_index < (*subspace2)->target_index)
2593 else if ((*subspace2)->target_index < (*subspace1)->target_index)
2599 /* Perform various work in preparation for emitting the fixup stream. */
2602 som_prep_for_fixups (abfd, syms, num_syms)
2605 unsigned long num_syms;
2609 asymbol **sorted_syms;
2612 /* Most SOM relocations involving a symbol have a length which is
2613 dependent on the index of the symbol. So symbols which are
2614 used often in relocations should have a small index. */
2616 /* First initialize the counters for each symbol. */
2617 for (i = 0; i < num_syms; i++)
2619 /* Handle a section symbol; these have no pointers back to the
2620 SOM symbol info. So we just use the udata field to hold the
2621 relocation count. */
2622 if (som_symbol_data (syms[i]) == NULL
2623 || syms[i]->flags & BSF_SECTION_SYM)
2625 syms[i]->flags |= BSF_SECTION_SYM;
2626 syms[i]->udata.i = 0;
2629 som_symbol_data (syms[i])->reloc_count = 0;
2632 /* Now that the counters are initialized, make a weighted count
2633 of how often a given symbol is used in a relocation. */
2634 for (section = abfd->sections; section != NULL; section = section->next)
2638 /* Does this section have any relocations? */
2639 if ((int) section->reloc_count <= 0)
2642 /* Walk through each relocation for this section. */
2643 for (j = 1; j < (int) section->reloc_count; j++)
2645 arelent *reloc = section->orelocation[j];
2648 /* A relocation against a symbol in the *ABS* section really
2649 does not have a symbol. Likewise if the symbol isn't associated
2650 with any section. */
2651 if (reloc->sym_ptr_ptr == NULL
2652 || bfd_is_abs_section ((*reloc->sym_ptr_ptr)->section))
2655 /* Scaling to encourage symbols involved in R_DP_RELATIVE
2656 and R_CODE_ONE_SYMBOL relocations to come first. These
2657 two relocations have single byte versions if the symbol
2658 index is very small. */
2659 if (reloc->howto->type == R_DP_RELATIVE
2660 || reloc->howto->type == R_CODE_ONE_SYMBOL)
2665 /* Handle section symbols by storing the count in the udata
2666 field. It will not be used and the count is very important
2667 for these symbols. */
2668 if ((*reloc->sym_ptr_ptr)->flags & BSF_SECTION_SYM)
2670 (*reloc->sym_ptr_ptr)->udata.i =
2671 (*reloc->sym_ptr_ptr)->udata.i + scale;
2675 /* A normal symbol. Increment the count. */
2676 som_symbol_data (*reloc->sym_ptr_ptr)->reloc_count += scale;
2680 /* Sort a copy of the symbol table, rather than the canonical
2681 output symbol table. */
2683 amt *= sizeof (asymbol *);
2684 sorted_syms = (asymbol **) bfd_zalloc (abfd, amt);
2685 memcpy (sorted_syms, syms, num_syms * sizeof (asymbol *));
2686 qsort (sorted_syms, num_syms, sizeof (asymbol *), compare_syms);
2687 obj_som_sorted_syms (abfd) = sorted_syms;
2689 /* Compute the symbol indexes, they will be needed by the relocation
2691 for (i = 0; i < num_syms; i++)
2693 /* A section symbol. Again, there is no pointer to backend symbol
2694 information, so we reuse the udata field again. */
2695 if (sorted_syms[i]->flags & BSF_SECTION_SYM)
2696 sorted_syms[i]->udata.i = i;
2698 som_symbol_data (sorted_syms[i])->index = i;
2703 som_write_fixups (abfd, current_offset, total_reloc_sizep)
2705 unsigned long current_offset;
2706 unsigned int *total_reloc_sizep;
2709 /* Chunk of memory that we can use as buffer space, then throw
2711 unsigned char tmp_space[SOM_TMP_BUFSIZE];
2713 unsigned int total_reloc_size = 0;
2714 unsigned int subspace_reloc_size = 0;
2715 unsigned int num_spaces = obj_som_file_hdr (abfd)->space_total;
2716 asection *section = abfd->sections;
2719 memset (tmp_space, 0, SOM_TMP_BUFSIZE);
2722 /* All the fixups for a particular subspace are emitted in a single
2723 stream. All the subspaces for a particular space are emitted
2726 So, to get all the locations correct one must iterate through all the
2727 spaces, for each space iterate through its subspaces and output a
2729 for (i = 0; i < num_spaces; i++)
2731 asection *subsection;
2734 while (!som_is_space (section))
2735 section = section->next;
2737 /* Now iterate through each of its subspaces. */
2738 for (subsection = abfd->sections;
2740 subsection = subsection->next)
2743 unsigned int current_rounding_mode;
2744 #ifndef NO_PCREL_MODES
2745 unsigned int current_call_mode;
2748 /* Find a subspace of this space. */
2749 if (!som_is_subspace (subsection)
2750 || !som_is_container (section, subsection))
2753 /* If this subspace does not have real data, then we are
2754 finished with it. */
2755 if ((subsection->flags & SEC_HAS_CONTENTS) == 0)
2757 som_section_data (subsection)->subspace_dict->fixup_request_index
2762 /* This subspace has some relocations. Put the relocation stream
2763 index into the subspace record. */
2764 som_section_data (subsection)->subspace_dict->fixup_request_index
2767 /* To make life easier start over with a clean slate for
2768 each subspace. Seek to the start of the relocation stream
2769 for this subspace in preparation for writing out its fixup
2771 if (bfd_seek (abfd, current_offset + total_reloc_size, SEEK_SET) != 0)
2774 /* Buffer space has already been allocated. Just perform some
2775 initialization here. */
2777 subspace_reloc_size = 0;
2779 som_initialize_reloc_queue (reloc_queue);
2780 current_rounding_mode = R_N_MODE;
2781 #ifndef NO_PCREL_MODES
2782 current_call_mode = R_SHORT_PCREL_MODE;
2785 /* Translate each BFD relocation into one or more SOM
2787 for (j = 0; j < subsection->reloc_count; j++)
2789 arelent *bfd_reloc = subsection->orelocation[j];
2793 /* Get the symbol number. Remember it's stored in a
2794 special place for section symbols. */
2795 if ((*bfd_reloc->sym_ptr_ptr)->flags & BSF_SECTION_SYM)
2796 sym_num = (*bfd_reloc->sym_ptr_ptr)->udata.i;
2798 sym_num = som_symbol_data (*bfd_reloc->sym_ptr_ptr)->index;
2800 /* If there is not enough room for the next couple relocations,
2801 then dump the current buffer contents now. Also reinitialize
2802 the relocation queue.
2804 No single BFD relocation could ever translate into more
2805 than 100 bytes of SOM relocations (20bytes is probably the
2806 upper limit, but leave lots of space for growth). */
2807 if (p - tmp_space + 100 > SOM_TMP_BUFSIZE)
2809 amt = p - tmp_space;
2810 if (bfd_bwrite ((PTR) tmp_space, amt, abfd) != amt)
2814 som_initialize_reloc_queue (reloc_queue);
2817 /* Emit R_NO_RELOCATION fixups to map any bytes which were
2819 skip = bfd_reloc->address - reloc_offset;
2820 p = som_reloc_skip (abfd, skip, p,
2821 &subspace_reloc_size, reloc_queue);
2823 /* Update reloc_offset for the next iteration.
2825 Many relocations do not consume input bytes. They
2826 are markers, or set state necessary to perform some
2827 later relocation. */
2828 switch (bfd_reloc->howto->type)
2848 #ifndef NO_PCREL_MODES
2849 case R_SHORT_PCREL_MODE:
2850 case R_LONG_PCREL_MODE:
2852 reloc_offset = bfd_reloc->address;
2856 reloc_offset = bfd_reloc->address + 4;
2860 /* Now the actual relocation we care about. */
2861 switch (bfd_reloc->howto->type)
2865 p = som_reloc_call (abfd, p, &subspace_reloc_size,
2866 bfd_reloc, sym_num, reloc_queue);
2869 case R_CODE_ONE_SYMBOL:
2871 /* Account for any addend. */
2872 if (bfd_reloc->addend)
2873 p = som_reloc_addend (abfd, bfd_reloc->addend, p,
2874 &subspace_reloc_size, reloc_queue);
2878 bfd_put_8 (abfd, bfd_reloc->howto->type + sym_num, p);
2879 subspace_reloc_size += 1;
2882 else if (sym_num < 0x100)
2884 bfd_put_8 (abfd, bfd_reloc->howto->type + 32, p);
2885 bfd_put_8 (abfd, sym_num, p + 1);
2886 p = try_prev_fixup (abfd, &subspace_reloc_size, p,
2889 else if (sym_num < 0x10000000)
2891 bfd_put_8 (abfd, bfd_reloc->howto->type + 33, p);
2892 bfd_put_8 (abfd, sym_num >> 16, p + 1);
2893 bfd_put_16 (abfd, (bfd_vma) sym_num, p + 2);
2894 p = try_prev_fixup (abfd, &subspace_reloc_size,
2901 case R_DATA_ONE_SYMBOL:
2905 /* Account for any addend using R_DATA_OVERRIDE. */
2906 if (bfd_reloc->howto->type != R_DATA_ONE_SYMBOL
2907 && bfd_reloc->addend)
2908 p = som_reloc_addend (abfd, bfd_reloc->addend, p,
2909 &subspace_reloc_size, reloc_queue);
2911 if (sym_num < 0x100)
2913 bfd_put_8 (abfd, bfd_reloc->howto->type, p);
2914 bfd_put_8 (abfd, sym_num, p + 1);
2915 p = try_prev_fixup (abfd, &subspace_reloc_size, p,
2918 else if (sym_num < 0x10000000)
2920 bfd_put_8 (abfd, bfd_reloc->howto->type + 1, p);
2921 bfd_put_8 (abfd, sym_num >> 16, p + 1);
2922 bfd_put_16 (abfd, (bfd_vma) sym_num, p + 2);
2923 p = try_prev_fixup (abfd, &subspace_reloc_size,
2933 arelent *tmp_reloc = NULL;
2934 bfd_put_8 (abfd, R_ENTRY, p);
2936 /* R_ENTRY relocations have 64 bits of associated
2937 data. Unfortunately the addend field of a bfd
2938 relocation is only 32 bits. So, we split up
2939 the 64bit unwind information and store part in
2940 the R_ENTRY relocation, and the rest in the R_EXIT
2942 bfd_put_32 (abfd, bfd_reloc->addend, p + 1);
2944 /* Find the next R_EXIT relocation. */
2945 for (tmp = j; tmp < subsection->reloc_count; tmp++)
2947 tmp_reloc = subsection->orelocation[tmp];
2948 if (tmp_reloc->howto->type == R_EXIT)
2952 if (tmp == subsection->reloc_count)
2955 bfd_put_32 (abfd, tmp_reloc->addend, p + 5);
2956 p = try_prev_fixup (abfd, &subspace_reloc_size,
2965 /* If this relocation requests the current rounding
2966 mode, then it is redundant. */
2967 if (bfd_reloc->howto->type != current_rounding_mode)
2969 bfd_put_8 (abfd, bfd_reloc->howto->type, p);
2970 subspace_reloc_size += 1;
2972 current_rounding_mode = bfd_reloc->howto->type;
2976 #ifndef NO_PCREL_MODES
2977 case R_LONG_PCREL_MODE:
2978 case R_SHORT_PCREL_MODE:
2979 if (bfd_reloc->howto->type != current_call_mode)
2981 bfd_put_8 (abfd, bfd_reloc->howto->type, p);
2982 subspace_reloc_size += 1;
2984 current_call_mode = bfd_reloc->howto->type;
2999 bfd_put_8 (abfd, bfd_reloc->howto->type, p);
3000 subspace_reloc_size += 1;
3005 /* The end of an exception handling region. The reloc's
3006 addend contains the offset of the exception handling
3008 if (bfd_reloc->addend == 0)
3009 bfd_put_8 (abfd, bfd_reloc->howto->type, p);
3010 else if (bfd_reloc->addend < 1024)
3012 bfd_put_8 (abfd, bfd_reloc->howto->type + 1, p);
3013 bfd_put_8 (abfd, bfd_reloc->addend / 4, p + 1);
3014 p = try_prev_fixup (abfd, &subspace_reloc_size,
3019 bfd_put_8 (abfd, bfd_reloc->howto->type + 2, p);
3020 bfd_put_8 (abfd, (bfd_reloc->addend / 4) >> 16, p + 1);
3021 bfd_put_16 (abfd, bfd_reloc->addend / 4, p + 2);
3022 p = try_prev_fixup (abfd, &subspace_reloc_size,
3028 /* The only time we generate R_COMP1, R_COMP2 and
3029 R_CODE_EXPR relocs is for the difference of two
3030 symbols. Hence we can cheat here. */
3031 bfd_put_8 (abfd, bfd_reloc->howto->type, p);
3032 bfd_put_8 (abfd, 0x44, p + 1);
3033 p = try_prev_fixup (abfd, &subspace_reloc_size,
3038 /* The only time we generate R_COMP1, R_COMP2 and
3039 R_CODE_EXPR relocs is for the difference of two
3040 symbols. Hence we can cheat here. */
3041 bfd_put_8 (abfd, bfd_reloc->howto->type, p);
3042 bfd_put_8 (abfd, 0x80, p + 1);
3043 bfd_put_8 (abfd, sym_num >> 16, p + 2);
3044 bfd_put_16 (abfd, (bfd_vma) sym_num, p + 3);
3045 p = try_prev_fixup (abfd, &subspace_reloc_size,
3051 /* The only time we generate R_COMP1, R_COMP2 and
3052 R_CODE_EXPR relocs is for the difference of two
3053 symbols. Hence we can cheat here. */
3054 bfd_put_8 (abfd, bfd_reloc->howto->type, p);
3055 subspace_reloc_size += 1;
3059 /* Put a "R_RESERVED" relocation in the stream if
3060 we hit something we do not understand. The linker
3061 will complain loudly if this ever happens. */
3063 bfd_put_8 (abfd, 0xff, p);
3064 subspace_reloc_size += 1;
3070 /* Last BFD relocation for a subspace has been processed.
3071 Map the rest of the subspace with R_NO_RELOCATION fixups. */
3072 p = som_reloc_skip (abfd, (bfd_section_size (abfd, subsection)
3074 p, &subspace_reloc_size, reloc_queue);
3076 /* Scribble out the relocations. */
3077 amt = p - tmp_space;
3078 if (bfd_bwrite ((PTR) tmp_space, amt, abfd) != amt)
3082 total_reloc_size += subspace_reloc_size;
3083 som_section_data (subsection)->subspace_dict->fixup_request_quantity
3084 = subspace_reloc_size;
3086 section = section->next;
3088 *total_reloc_sizep = total_reloc_size;
3092 /* Write out the space/subspace string table. */
3095 som_write_space_strings (abfd, current_offset, string_sizep)
3097 unsigned long current_offset;
3098 unsigned int *string_sizep;
3100 /* Chunk of memory that we can use as buffer space, then throw
3102 size_t tmp_space_size = SOM_TMP_BUFSIZE;
3103 unsigned char *tmp_space = alloca (tmp_space_size);
3104 unsigned char *p = tmp_space;
3105 unsigned int strings_size = 0;
3109 /* Seek to the start of the space strings in preparation for writing
3111 if (bfd_seek (abfd, (file_ptr) current_offset, SEEK_SET) != 0)
3114 /* Walk through all the spaces and subspaces (order is not important)
3115 building up and writing string table entries for their names. */
3116 for (section = abfd->sections; section != NULL; section = section->next)
3120 /* Only work with space/subspaces; avoid any other sections
3121 which might have been made (.text for example). */
3122 if (!som_is_space (section) && !som_is_subspace (section))
3125 /* Get the length of the space/subspace name. */
3126 length = strlen (section->name);
3128 /* If there is not enough room for the next entry, then dump the
3129 current buffer contents now and maybe allocate a larger
3130 buffer. Each entry will take 4 bytes to hold the string
3131 length + the string itself + null terminator. */
3132 if (p - tmp_space + 5 + length > tmp_space_size)
3134 /* Flush buffer before refilling or reallocating. */
3135 amt = p - tmp_space;
3136 if (bfd_bwrite ((PTR) &tmp_space[0], amt, abfd) != amt)
3139 /* Reallocate if now empty buffer still too small. */
3140 if (5 + length > tmp_space_size)
3142 /* Ensure a minimum growth factor to avoid O(n**2) space
3143 consumption for n strings. The optimal minimum
3144 factor seems to be 2, as no other value can guarantee
3145 wasting less than 50% space. (Note that we cannot
3146 deallocate space allocated by `alloca' without
3147 returning from this function.) The same technique is
3148 used a few more times below when a buffer is
3150 tmp_space_size = MAX (2 * tmp_space_size, 5 + length);
3151 tmp_space = alloca (tmp_space_size);
3154 /* Reset to beginning of the (possibly new) buffer space. */
3158 /* First element in a string table entry is the length of the
3159 string. Alignment issues are already handled. */
3160 bfd_put_32 (abfd, (bfd_vma) length, p);
3164 /* Record the index in the space/subspace records. */
3165 if (som_is_space (section))
3166 som_section_data (section)->space_dict->name.n_strx = strings_size;
3168 som_section_data (section)->subspace_dict->name.n_strx = strings_size;
3170 /* Next comes the string itself + a null terminator. */
3171 strcpy (p, section->name);
3173 strings_size += length + 1;
3175 /* Always align up to the next word boundary. */
3176 while (strings_size % 4)
3178 bfd_put_8 (abfd, 0, p);
3184 /* Done with the space/subspace strings. Write out any information
3185 contained in a partial block. */
3186 amt = p - tmp_space;
3187 if (bfd_bwrite ((PTR) &tmp_space[0], amt, abfd) != amt)
3189 *string_sizep = strings_size;
3193 /* Write out the symbol string table. */
3196 som_write_symbol_strings (abfd, current_offset, syms, num_syms, string_sizep,
3199 unsigned long current_offset;
3201 unsigned int num_syms;
3202 unsigned int *string_sizep;
3203 COMPUNIT *compilation_unit;
3207 /* Chunk of memory that we can use as buffer space, then throw
3209 size_t tmp_space_size = SOM_TMP_BUFSIZE;
3210 unsigned char *tmp_space = alloca (tmp_space_size);
3211 unsigned char *p = tmp_space;
3213 unsigned int strings_size = 0;
3214 unsigned char *comp[4];
3217 /* This gets a bit gruesome because of the compilation unit. The
3218 strings within the compilation unit are part of the symbol
3219 strings, but don't have symbol_dictionary entries. So, manually
3220 write them and update the compilation unit header. On input, the
3221 compilation unit header contains local copies of the strings.
3223 if (compilation_unit)
3225 comp[0] = compilation_unit->name.n_name;
3226 comp[1] = compilation_unit->language_name.n_name;
3227 comp[2] = compilation_unit->product_id.n_name;
3228 comp[3] = compilation_unit->version_id.n_name;
3231 /* Seek to the start of the space strings in preparation for writing
3233 if (bfd_seek (abfd, (file_ptr) current_offset, SEEK_SET) != 0)
3236 if (compilation_unit)
3238 for (i = 0; i < 4; i++)
3240 size_t length = strlen (comp[i]);
3242 /* If there is not enough room for the next entry, then dump
3243 the current buffer contents now and maybe allocate a
3245 if (p - tmp_space + 5 + length > tmp_space_size)
3247 /* Flush buffer before refilling or reallocating. */
3248 amt = p - tmp_space;
3249 if (bfd_bwrite ((PTR) &tmp_space[0], amt, abfd) != amt)
3252 /* Reallocate if now empty buffer still too small. */
3253 if (5 + length > tmp_space_size)
3255 /* See alloca above for discussion of new size. */
3256 tmp_space_size = MAX (2 * tmp_space_size, 5 + length);
3257 tmp_space = alloca (tmp_space_size);
3260 /* Reset to beginning of the (possibly new) buffer
3265 /* First element in a string table entry is the length of
3266 the string. This must always be 4 byte aligned. This is
3267 also an appropriate time to fill in the string index
3268 field in the symbol table entry. */
3269 bfd_put_32 (abfd, (bfd_vma) length, p);
3273 /* Next comes the string itself + a null terminator. */
3274 strcpy (p, comp[i]);
3279 obj_som_compilation_unit (abfd)->name.n_strx = strings_size;
3282 obj_som_compilation_unit (abfd)->language_name.n_strx =
3286 obj_som_compilation_unit (abfd)->product_id.n_strx =
3290 obj_som_compilation_unit (abfd)->version_id.n_strx =
3296 strings_size += length + 1;
3298 /* Always align up to the next word boundary. */
3299 while (strings_size % 4)
3301 bfd_put_8 (abfd, 0, p);
3308 for (i = 0; i < num_syms; i++)
3310 size_t length = strlen (syms[i]->name);
3312 /* If there is not enough room for the next entry, then dump the
3313 current buffer contents now and maybe allocate a larger buffer. */
3314 if (p - tmp_space + 5 + length > tmp_space_size)
3316 /* Flush buffer before refilling or reallocating. */
3317 amt = p - tmp_space;
3318 if (bfd_bwrite ((PTR) &tmp_space[0], amt, abfd) != amt)
3321 /* Reallocate if now empty buffer still too small. */
3322 if (5 + length > tmp_space_size)
3324 /* See alloca above for discussion of new size. */
3325 tmp_space_size = MAX (2 * tmp_space_size, 5 + length);
3326 tmp_space = alloca (tmp_space_size);
3329 /* Reset to beginning of the (possibly new) buffer space. */
3333 /* First element in a string table entry is the length of the
3334 string. This must always be 4 byte aligned. This is also
3335 an appropriate time to fill in the string index field in the
3336 symbol table entry. */
3337 bfd_put_32 (abfd, (bfd_vma) length, p);
3341 /* Next comes the string itself + a null terminator. */
3342 strcpy (p, syms[i]->name);
3344 som_symbol_data (syms[i])->stringtab_offset = strings_size;
3346 strings_size += length + 1;
3348 /* Always align up to the next word boundary. */
3349 while (strings_size % 4)
3351 bfd_put_8 (abfd, 0, p);
3357 /* Scribble out any partial block. */
3358 amt = p - tmp_space;
3359 if (bfd_bwrite ((PTR) &tmp_space[0], amt, abfd) != amt)
3362 *string_sizep = strings_size;
3366 /* Compute variable information to be placed in the SOM headers,
3367 space/subspace dictionaries, relocation streams, etc. Begin
3368 writing parts of the object file. */
3371 som_begin_writing (abfd)
3374 unsigned long current_offset = 0;
3375 int strings_size = 0;
3376 unsigned long num_spaces, num_subspaces, i;
3378 unsigned int total_subspaces = 0;
3379 struct som_exec_auxhdr *exec_header = NULL;
3381 /* The file header will always be first in an object file,
3382 everything else can be in random locations. To keep things
3383 "simple" BFD will lay out the object file in the manner suggested
3384 by the PRO ABI for PA-RISC Systems. */
3386 /* Before any output can really begin offsets for all the major
3387 portions of the object file must be computed. So, starting
3388 with the initial file header compute (and sometimes write)
3389 each portion of the object file. */
3391 /* Make room for the file header, it's contents are not complete
3392 yet, so it can not be written at this time. */
3393 current_offset += sizeof (struct header);
3395 /* Any auxiliary headers will follow the file header. Right now
3396 we support only the copyright and version headers. */
3397 obj_som_file_hdr (abfd)->aux_header_location = current_offset;
3398 obj_som_file_hdr (abfd)->aux_header_size = 0;
3399 if (abfd->flags & (EXEC_P | DYNAMIC))
3401 /* Parts of the exec header will be filled in later, so
3402 delay writing the header itself. Fill in the defaults,
3403 and write it later. */
3404 current_offset += sizeof (struct som_exec_auxhdr);
3405 obj_som_file_hdr (abfd)->aux_header_size
3406 += sizeof (struct som_exec_auxhdr);
3407 exec_header = obj_som_exec_hdr (abfd);
3408 exec_header->som_auxhdr.type = EXEC_AUX_ID;
3409 exec_header->som_auxhdr.length = 40;
3411 if (obj_som_version_hdr (abfd) != NULL)
3415 if (bfd_seek (abfd, (file_ptr) current_offset, SEEK_SET) != 0)
3418 /* Write the aux_id structure and the string length. */
3419 len = sizeof (struct aux_id) + sizeof (unsigned int);
3420 obj_som_file_hdr (abfd)->aux_header_size += len;
3421 current_offset += len;
3422 if (bfd_bwrite ((PTR) obj_som_version_hdr (abfd), len, abfd) != len)
3425 /* Write the version string. */
3426 len = obj_som_version_hdr (abfd)->header_id.length - sizeof (int);
3427 obj_som_file_hdr (abfd)->aux_header_size += len;
3428 current_offset += len;
3429 if (bfd_bwrite ((PTR) obj_som_version_hdr (abfd)->user_string, len, abfd)
3434 if (obj_som_copyright_hdr (abfd) != NULL)
3438 if (bfd_seek (abfd, (file_ptr) current_offset, SEEK_SET) != 0)
3441 /* Write the aux_id structure and the string length. */
3442 len = sizeof (struct aux_id) + sizeof (unsigned int);
3443 obj_som_file_hdr (abfd)->aux_header_size += len;
3444 current_offset += len;
3445 if (bfd_bwrite ((PTR) obj_som_copyright_hdr (abfd), len, abfd) != len)
3448 /* Write the copyright string. */
3449 len = obj_som_copyright_hdr (abfd)->header_id.length - sizeof (int);
3450 obj_som_file_hdr (abfd)->aux_header_size += len;
3451 current_offset += len;
3452 if (bfd_bwrite ((PTR) obj_som_copyright_hdr (abfd)->copyright, len, abfd)
3457 /* Next comes the initialization pointers; we have no initialization
3458 pointers, so current offset does not change. */
3459 obj_som_file_hdr (abfd)->init_array_location = current_offset;
3460 obj_som_file_hdr (abfd)->init_array_total = 0;
3462 /* Next are the space records. These are fixed length records.
3464 Count the number of spaces to determine how much room is needed
3465 in the object file for the space records.
3467 The names of the spaces are stored in a separate string table,
3468 and the index for each space into the string table is computed
3469 below. Therefore, it is not possible to write the space headers
3471 num_spaces = som_count_spaces (abfd);
3472 obj_som_file_hdr (abfd)->space_location = current_offset;
3473 obj_som_file_hdr (abfd)->space_total = num_spaces;
3474 current_offset += num_spaces * sizeof (struct space_dictionary_record);
3476 /* Next are the subspace records. These are fixed length records.
3478 Count the number of subspaes to determine how much room is needed
3479 in the object file for the subspace records.
3481 A variety if fields in the subspace record are still unknown at
3482 this time (index into string table, fixup stream location/size, etc). */
3483 num_subspaces = som_count_subspaces (abfd);
3484 obj_som_file_hdr (abfd)->subspace_location = current_offset;
3485 obj_som_file_hdr (abfd)->subspace_total = num_subspaces;
3487 += num_subspaces * sizeof (struct som_subspace_dictionary_record);
3489 /* Next is the string table for the space/subspace names. We will
3490 build and write the string table on the fly. At the same time
3491 we will fill in the space/subspace name index fields. */
3493 /* The string table needs to be aligned on a word boundary. */
3494 if (current_offset % 4)
3495 current_offset += (4 - (current_offset % 4));
3497 /* Mark the offset of the space/subspace string table in the
3499 obj_som_file_hdr (abfd)->space_strings_location = current_offset;
3501 /* Scribble out the space strings. */
3502 if (! som_write_space_strings (abfd, current_offset, &strings_size))
3505 /* Record total string table size in the header and update the
3507 obj_som_file_hdr (abfd)->space_strings_size = strings_size;
3508 current_offset += strings_size;
3510 /* Next is the compilation unit. */
3511 obj_som_file_hdr (abfd)->compiler_location = current_offset;
3512 obj_som_file_hdr (abfd)->compiler_total = 0;
3513 if (obj_som_compilation_unit (abfd))
3515 obj_som_file_hdr (abfd)->compiler_total = 1;
3516 current_offset += COMPUNITSZ;
3519 /* Now compute the file positions for the loadable subspaces, taking
3520 care to make sure everything stays properly aligned. */
3522 section = abfd->sections;
3523 for (i = 0; i < num_spaces; i++)
3525 asection *subsection;
3527 unsigned int subspace_offset = 0;
3530 while (!som_is_space (section))
3531 section = section->next;
3534 /* Now look for all its subspaces. */
3535 for (subsection = abfd->sections;
3537 subsection = subsection->next)
3540 if (!som_is_subspace (subsection)
3541 || !som_is_container (section, subsection)
3542 || (subsection->flags & SEC_ALLOC) == 0)
3545 /* If this is the first subspace in the space, and we are
3546 building an executable, then take care to make sure all
3547 the alignments are correct and update the exec header. */
3549 && (abfd->flags & (EXEC_P | DYNAMIC)))
3551 /* Demand paged executables have each space aligned to a
3552 page boundary. Sharable executables (write-protected
3553 text) have just the private (aka data & bss) space aligned
3554 to a page boundary. Ugh. Not true for HPUX.
3556 The HPUX kernel requires the text to always be page aligned
3557 within the file regardless of the executable's type. */
3558 if (abfd->flags & (D_PAGED | DYNAMIC)
3559 || (subsection->flags & SEC_CODE)
3560 || ((abfd->flags & WP_TEXT)
3561 && (subsection->flags & SEC_DATA)))
3562 current_offset = SOM_ALIGN (current_offset, PA_PAGESIZE);
3564 /* Update the exec header. */
3565 if (subsection->flags & SEC_CODE && exec_header->exec_tfile == 0)
3567 exec_header->exec_tmem = section->vma;
3568 exec_header->exec_tfile = current_offset;
3570 if (subsection->flags & SEC_DATA && exec_header->exec_dfile == 0)
3572 exec_header->exec_dmem = section->vma;
3573 exec_header->exec_dfile = current_offset;
3576 /* Keep track of exactly where we are within a particular
3577 space. This is necessary as the braindamaged HPUX
3578 loader will create holes between subspaces *and*
3579 subspace alignments are *NOT* preserved. What a crock. */
3580 subspace_offset = subsection->vma;
3582 /* Only do this for the first subspace within each space. */
3585 else if (abfd->flags & (EXEC_P | DYNAMIC))
3587 /* The braindamaged HPUX loader may have created a hole
3588 between two subspaces. It is *not* sufficient to use
3589 the alignment specifications within the subspaces to
3590 account for these holes -- I've run into at least one
3591 case where the loader left one code subspace unaligned
3592 in a final executable.
3594 To combat this we keep a current offset within each space,
3595 and use the subspace vma fields to detect and preserve
3596 holes. What a crock!
3598 ps. This is not necessary for unloadable space/subspaces. */
3599 current_offset += subsection->vma - subspace_offset;
3600 if (subsection->flags & SEC_CODE)
3601 exec_header->exec_tsize += subsection->vma - subspace_offset;
3603 exec_header->exec_dsize += subsection->vma - subspace_offset;
3604 subspace_offset += subsection->vma - subspace_offset;
3607 subsection->target_index = total_subspaces++;
3608 /* This is real data to be loaded from the file. */
3609 if (subsection->flags & SEC_LOAD)
3611 /* Update the size of the code & data. */
3612 if (abfd->flags & (EXEC_P | DYNAMIC)
3613 && subsection->flags & SEC_CODE)
3614 exec_header->exec_tsize += subsection->_cooked_size;
3615 else if (abfd->flags & (EXEC_P | DYNAMIC)
3616 && subsection->flags & SEC_DATA)
3617 exec_header->exec_dsize += subsection->_cooked_size;
3618 som_section_data (subsection)->subspace_dict->file_loc_init_value
3620 subsection->filepos = current_offset;
3621 current_offset += bfd_section_size (abfd, subsection);
3622 subspace_offset += bfd_section_size (abfd, subsection);
3624 /* Looks like uninitialized data. */
3627 /* Update the size of the bss section. */
3628 if (abfd->flags & (EXEC_P | DYNAMIC))
3629 exec_header->exec_bsize += subsection->_cooked_size;
3631 som_section_data (subsection)->subspace_dict->file_loc_init_value
3633 som_section_data (subsection)->subspace_dict->
3634 initialization_length = 0;
3637 /* Goto the next section. */
3638 section = section->next;
3641 /* Finally compute the file positions for unloadable subspaces.
3642 If building an executable, start the unloadable stuff on its
3645 if (abfd->flags & (EXEC_P | DYNAMIC))
3646 current_offset = SOM_ALIGN (current_offset, PA_PAGESIZE);
3648 obj_som_file_hdr (abfd)->unloadable_sp_location = current_offset;
3649 section = abfd->sections;
3650 for (i = 0; i < num_spaces; i++)
3652 asection *subsection;
3655 while (!som_is_space (section))
3656 section = section->next;
3658 if (abfd->flags & (EXEC_P | DYNAMIC))
3659 current_offset = SOM_ALIGN (current_offset, PA_PAGESIZE);
3661 /* Now look for all its subspaces. */
3662 for (subsection = abfd->sections;
3664 subsection = subsection->next)
3667 if (!som_is_subspace (subsection)
3668 || !som_is_container (section, subsection)
3669 || (subsection->flags & SEC_ALLOC) != 0)
3672 subsection->target_index = total_subspaces++;
3673 /* This is real data to be loaded from the file. */
3674 if ((subsection->flags & SEC_LOAD) == 0)
3676 som_section_data (subsection)->subspace_dict->file_loc_init_value
3678 subsection->filepos = current_offset;
3679 current_offset += bfd_section_size (abfd, subsection);
3681 /* Looks like uninitialized data. */
3684 som_section_data (subsection)->subspace_dict->file_loc_init_value
3686 som_section_data (subsection)->subspace_dict->
3687 initialization_length = bfd_section_size (abfd, subsection);
3690 /* Goto the next section. */
3691 section = section->next;
3694 /* If building an executable, then make sure to seek to and write
3695 one byte at the end of the file to make sure any necessary
3696 zeros are filled in. Ugh. */
3697 if (abfd->flags & (EXEC_P | DYNAMIC))
3698 current_offset = SOM_ALIGN (current_offset, PA_PAGESIZE);
3699 if (bfd_seek (abfd, (file_ptr) current_offset - 1, SEEK_SET) != 0)
3701 if (bfd_bwrite ((PTR) "", (bfd_size_type) 1, abfd) != 1)
3704 obj_som_file_hdr (abfd)->unloadable_sp_size
3705 = current_offset - obj_som_file_hdr (abfd)->unloadable_sp_location;
3707 /* Loader fixups are not supported in any way shape or form. */
3708 obj_som_file_hdr (abfd)->loader_fixup_location = 0;
3709 obj_som_file_hdr (abfd)->loader_fixup_total = 0;
3711 /* Done. Store the total size of the SOM so far. */
3712 obj_som_file_hdr (abfd)->som_length = current_offset;
3717 /* Finally, scribble out the various headers to the disk. */
3720 som_finish_writing (abfd)
3723 int num_spaces = som_count_spaces (abfd);
3724 asymbol **syms = bfd_get_outsymbols (abfd);
3725 int i, num_syms, strings_size;
3726 int subspace_index = 0;
3729 unsigned long current_offset;
3730 unsigned int total_reloc_size;
3733 /* We must set up the version identifier here as objcopy/strip copy
3734 private BFD data too late for us to handle this in som_begin_writing. */
3735 if (obj_som_exec_data (abfd)
3736 && obj_som_exec_data (abfd)->version_id)
3737 obj_som_file_hdr (abfd)->version_id = obj_som_exec_data (abfd)->version_id;
3739 obj_som_file_hdr (abfd)->version_id = NEW_VERSION_ID;
3741 /* Next is the symbol table. These are fixed length records.
3743 Count the number of symbols to determine how much room is needed
3744 in the object file for the symbol table.
3746 The names of the symbols are stored in a separate string table,
3747 and the index for each symbol name into the string table is computed
3748 below. Therefore, it is not possible to write the symbol table
3751 These used to be output before the subspace contents, but they
3752 were moved here to work around a stupid bug in the hpux linker
3753 (fixed in hpux10). */
3754 current_offset = obj_som_file_hdr (abfd)->som_length;
3756 /* Make sure we're on a word boundary. */
3757 if (current_offset % 4)
3758 current_offset += (4 - (current_offset % 4));
3760 num_syms = bfd_get_symcount (abfd);
3761 obj_som_file_hdr (abfd)->symbol_location = current_offset;
3762 obj_som_file_hdr (abfd)->symbol_total = num_syms;
3763 current_offset += num_syms * sizeof (struct symbol_dictionary_record);
3765 /* Next are the symbol strings.
3766 Align them to a word boundary. */
3767 if (current_offset % 4)
3768 current_offset += (4 - (current_offset % 4));
3769 obj_som_file_hdr (abfd)->symbol_strings_location = current_offset;
3771 /* Scribble out the symbol strings. */
3772 if (! som_write_symbol_strings (abfd, current_offset, syms,
3773 num_syms, &strings_size,
3774 obj_som_compilation_unit (abfd)))
3777 /* Record total string table size in header and update the
3779 obj_som_file_hdr (abfd)->symbol_strings_size = strings_size;
3780 current_offset += strings_size;
3782 /* Do prep work before handling fixups. */
3783 som_prep_for_fixups (abfd,
3784 bfd_get_outsymbols (abfd),
3785 bfd_get_symcount (abfd));
3787 /* At the end of the file is the fixup stream which starts on a
3789 if (current_offset % 4)
3790 current_offset += (4 - (current_offset % 4));
3791 obj_som_file_hdr (abfd)->fixup_request_location = current_offset;
3793 /* Write the fixups and update fields in subspace headers which
3794 relate to the fixup stream. */
3795 if (! som_write_fixups (abfd, current_offset, &total_reloc_size))
3798 /* Record the total size of the fixup stream in the file header. */
3799 obj_som_file_hdr (abfd)->fixup_request_total = total_reloc_size;
3801 /* Done. Store the total size of the SOM. */
3802 obj_som_file_hdr (abfd)->som_length = current_offset + total_reloc_size;
3804 /* Now that the symbol table information is complete, build and
3805 write the symbol table. */
3806 if (! som_build_and_write_symbol_table (abfd))
3809 /* Subspaces are written first so that we can set up information
3810 about them in their containing spaces as the subspace is written. */
3812 /* Seek to the start of the subspace dictionary records. */
3813 location = obj_som_file_hdr (abfd)->subspace_location;
3814 if (bfd_seek (abfd, location, SEEK_SET) != 0)
3817 section = abfd->sections;
3818 /* Now for each loadable space write out records for its subspaces. */
3819 for (i = 0; i < num_spaces; i++)
3821 asection *subsection;
3824 while (!som_is_space (section))
3825 section = section->next;
3827 /* Now look for all its subspaces. */
3828 for (subsection = abfd->sections;
3830 subsection = subsection->next)
3833 /* Skip any section which does not correspond to a space
3834 or subspace. Or does not have SEC_ALLOC set (and therefore
3835 has no real bits on the disk). */
3836 if (!som_is_subspace (subsection)
3837 || !som_is_container (section, subsection)
3838 || (subsection->flags & SEC_ALLOC) == 0)
3841 /* If this is the first subspace for this space, then save
3842 the index of the subspace in its containing space. Also
3843 set "is_loadable" in the containing space. */
3845 if (som_section_data (section)->space_dict->subspace_quantity == 0)
3847 som_section_data (section)->space_dict->is_loadable = 1;
3848 som_section_data (section)->space_dict->subspace_index
3852 /* Increment the number of subspaces seen and the number of
3853 subspaces contained within the current space. */
3855 som_section_data (section)->space_dict->subspace_quantity++;
3857 /* Mark the index of the current space within the subspace's
3858 dictionary record. */
3859 som_section_data (subsection)->subspace_dict->space_index = i;
3861 /* Dump the current subspace header. */
3862 amt = sizeof (struct som_subspace_dictionary_record);
3863 if (bfd_bwrite ((PTR) som_section_data (subsection)->subspace_dict,
3867 /* Goto the next section. */
3868 section = section->next;
3871 /* Now repeat the process for unloadable subspaces. */
3872 section = abfd->sections;
3873 /* Now for each space write out records for its subspaces. */
3874 for (i = 0; i < num_spaces; i++)
3876 asection *subsection;
3879 while (!som_is_space (section))
3880 section = section->next;
3882 /* Now look for all its subspaces. */
3883 for (subsection = abfd->sections;
3885 subsection = subsection->next)
3888 /* Skip any section which does not correspond to a space or
3889 subspace, or which SEC_ALLOC set (and therefore handled
3890 in the loadable spaces/subspaces code above). */
3892 if (!som_is_subspace (subsection)
3893 || !som_is_container (section, subsection)
3894 || (subsection->flags & SEC_ALLOC) != 0)
3897 /* If this is the first subspace for this space, then save
3898 the index of the subspace in its containing space. Clear
3901 if (som_section_data (section)->space_dict->subspace_quantity == 0)
3903 som_section_data (section)->space_dict->is_loadable = 0;
3904 som_section_data (section)->space_dict->subspace_index
3908 /* Increment the number of subspaces seen and the number of
3909 subspaces contained within the current space. */
3910 som_section_data (section)->space_dict->subspace_quantity++;
3913 /* Mark the index of the current space within the subspace's
3914 dictionary record. */
3915 som_section_data (subsection)->subspace_dict->space_index = i;
3917 /* Dump this subspace header. */
3918 amt = sizeof (struct som_subspace_dictionary_record);
3919 if (bfd_bwrite ((PTR) som_section_data (subsection)->subspace_dict,
3923 /* Goto the next section. */
3924 section = section->next;
3927 /* All the subspace dictionary records are written, and all the
3928 fields are set up in the space dictionary records.
3930 Seek to the right location and start writing the space
3931 dictionary records. */
3932 location = obj_som_file_hdr (abfd)->space_location;
3933 if (bfd_seek (abfd, location, SEEK_SET) != 0)
3936 section = abfd->sections;
3937 for (i = 0; i < num_spaces; i++)
3940 while (!som_is_space (section))
3941 section = section->next;
3943 /* Dump its header. */
3944 amt = sizeof (struct space_dictionary_record);
3945 if (bfd_bwrite ((PTR) som_section_data (section)->space_dict,
3949 /* Goto the next section. */
3950 section = section->next;
3953 /* Write the compilation unit record if there is one. */
3954 if (obj_som_compilation_unit (abfd))
3956 location = obj_som_file_hdr (abfd)->compiler_location;
3957 if (bfd_seek (abfd, location, SEEK_SET) != 0)
3961 if (bfd_bwrite ((PTR) obj_som_compilation_unit (abfd), amt, abfd) != amt)
3965 /* Setting of the system_id has to happen very late now that copying of
3966 BFD private data happens *after* section contents are set. */
3967 if (abfd->flags & (EXEC_P | DYNAMIC))
3968 obj_som_file_hdr (abfd)->system_id = obj_som_exec_data (abfd)->system_id;
3969 else if (bfd_get_mach (abfd) == pa20)
3970 obj_som_file_hdr (abfd)->system_id = CPU_PA_RISC2_0;
3971 else if (bfd_get_mach (abfd) == pa11)
3972 obj_som_file_hdr (abfd)->system_id = CPU_PA_RISC1_1;
3974 obj_som_file_hdr (abfd)->system_id = CPU_PA_RISC1_0;
3976 /* Compute the checksum for the file header just before writing
3977 the header to disk. */
3978 obj_som_file_hdr (abfd)->checksum = som_compute_checksum (abfd);
3980 /* Only thing left to do is write out the file header. It is always
3981 at location zero. Seek there and write it. */
3982 if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
3984 amt = sizeof (struct header);
3985 if (bfd_bwrite ((PTR) obj_som_file_hdr (abfd), amt, abfd) != amt)
3988 /* Now write the exec header. */
3989 if (abfd->flags & (EXEC_P | DYNAMIC))
3991 long tmp, som_length;
3992 struct som_exec_auxhdr *exec_header;
3994 exec_header = obj_som_exec_hdr (abfd);
3995 exec_header->exec_entry = bfd_get_start_address (abfd);
3996 exec_header->exec_flags = obj_som_exec_data (abfd)->exec_flags;
3998 /* Oh joys. Ram some of the BSS data into the DATA section
3999 to be compatible with how the hp linker makes objects
4000 (saves memory space). */
4001 tmp = exec_header->exec_dsize;
4002 tmp = SOM_ALIGN (tmp, PA_PAGESIZE);
4003 exec_header->exec_bsize -= (tmp - exec_header->exec_dsize);
4004 if (exec_header->exec_bsize < 0)
4005 exec_header->exec_bsize = 0;
4006 exec_header->exec_dsize = tmp;
4008 /* Now perform some sanity checks. The idea is to catch bogons now and
4009 inform the user, instead of silently generating a bogus file. */
4010 som_length = obj_som_file_hdr (abfd)->som_length;
4011 if (exec_header->exec_tfile + exec_header->exec_tsize > som_length
4012 || exec_header->exec_dfile + exec_header->exec_dsize > som_length)
4014 bfd_set_error (bfd_error_bad_value);
4018 if (bfd_seek (abfd, obj_som_file_hdr (abfd)->aux_header_location,
4023 if (bfd_bwrite ((PTR) exec_header, amt, abfd) != amt)
4029 /* Compute and return the checksum for a SOM file header. */
4031 static unsigned long
4032 som_compute_checksum (abfd)
4035 unsigned long checksum, count, i;
4036 unsigned long *buffer = (unsigned long *) obj_som_file_hdr (abfd);
4039 count = sizeof (struct header) / sizeof (unsigned long);
4040 for (i = 0; i < count; i++)
4041 checksum ^= *(buffer + i);
4047 som_bfd_derive_misc_symbol_info (abfd, sym, info)
4048 bfd *abfd ATTRIBUTE_UNUSED;
4050 struct som_misc_symbol_info *info;
4053 memset (info, 0, sizeof (struct som_misc_symbol_info));
4055 /* The HP SOM linker requires detailed type information about
4056 all symbols (including undefined symbols!). Unfortunately,
4057 the type specified in an import/export statement does not
4058 always match what the linker wants. Severe braindamage. */
4060 /* Section symbols will not have a SOM symbol type assigned to
4061 them yet. Assign all section symbols type ST_DATA. */
4062 if (sym->flags & BSF_SECTION_SYM)
4063 info->symbol_type = ST_DATA;
4066 /* For BFD style common, the linker will choke unless we set the
4067 type and scope to ST_STORAGE and SS_UNSAT, respectively. */
4068 if (bfd_is_com_section (sym->section))
4070 info->symbol_type = ST_STORAGE;
4071 info->symbol_scope = SS_UNSAT;
4074 /* It is possible to have a symbol without an associated
4075 type. This happens if the user imported the symbol
4076 without a type and the symbol was never defined
4077 locally. If BSF_FUNCTION is set for this symbol, then
4078 assign it type ST_CODE (the HP linker requires undefined
4079 external functions to have type ST_CODE rather than ST_ENTRY). */
4080 else if ((som_symbol_data (sym)->som_type == SYMBOL_TYPE_UNKNOWN
4081 || som_symbol_data (sym)->som_type == SYMBOL_TYPE_CODE)
4082 && bfd_is_und_section (sym->section)
4083 && sym->flags & BSF_FUNCTION)
4084 info->symbol_type = ST_CODE;
4086 /* Handle function symbols which were defined in this file.
4087 They should have type ST_ENTRY. Also retrieve the argument
4088 relocation bits from the SOM backend information. */
4089 else if (som_symbol_data (sym)->som_type == SYMBOL_TYPE_ENTRY
4090 || (som_symbol_data (sym)->som_type == SYMBOL_TYPE_CODE
4091 && (sym->flags & BSF_FUNCTION))
4092 || (som_symbol_data (sym)->som_type == SYMBOL_TYPE_UNKNOWN
4093 && (sym->flags & BSF_FUNCTION)))
4095 info->symbol_type = ST_ENTRY;
4096 info->arg_reloc = som_symbol_data (sym)->tc_data.ap.hppa_arg_reloc;
4097 info->priv_level= som_symbol_data (sym)->tc_data.ap.hppa_priv_level;
4100 /* For unknown symbols set the symbol's type based on the symbol's
4101 section (ST_DATA for DATA sections, ST_CODE for CODE sections). */
4102 else if (som_symbol_data (sym)->som_type == SYMBOL_TYPE_UNKNOWN)
4104 if (sym->section->flags & SEC_CODE)
4105 info->symbol_type = ST_CODE;
4107 info->symbol_type = ST_DATA;
4110 /* From now on it's a very simple mapping. */
4111 else if (som_symbol_data (sym)->som_type == SYMBOL_TYPE_ABSOLUTE)
4112 info->symbol_type = ST_ABSOLUTE;
4113 else if (som_symbol_data (sym)->som_type == SYMBOL_TYPE_CODE)
4114 info->symbol_type = ST_CODE;
4115 else if (som_symbol_data (sym)->som_type == SYMBOL_TYPE_DATA)
4116 info->symbol_type = ST_DATA;
4117 else if (som_symbol_data (sym)->som_type == SYMBOL_TYPE_MILLICODE)
4118 info->symbol_type = ST_MILLICODE;
4119 else if (som_symbol_data (sym)->som_type == SYMBOL_TYPE_PLABEL)
4120 info->symbol_type = ST_PLABEL;
4121 else if (som_symbol_data (sym)->som_type == SYMBOL_TYPE_PRI_PROG)
4122 info->symbol_type = ST_PRI_PROG;
4123 else if (som_symbol_data (sym)->som_type == SYMBOL_TYPE_SEC_PROG)
4124 info->symbol_type = ST_SEC_PROG;
4127 /* Now handle the symbol's scope. Exported data which is not
4128 in the common section has scope SS_UNIVERSAL. Note scope
4129 of common symbols was handled earlier! */
4130 if (bfd_is_com_section (sym->section))
4132 else if (bfd_is_und_section (sym->section))
4133 info->symbol_scope = SS_UNSAT;
4134 else if (sym->flags & (BSF_EXPORT | BSF_WEAK))
4135 info->symbol_scope = SS_UNIVERSAL;
4136 /* Anything else which is not in the common section has scope
4139 info->symbol_scope = SS_LOCAL;
4141 /* Now set the symbol_info field. It has no real meaning
4142 for undefined or common symbols, but the HP linker will
4143 choke if it's not set to some "reasonable" value. We
4144 use zero as a reasonable value. */
4145 if (bfd_is_com_section (sym->section)
4146 || bfd_is_und_section (sym->section)
4147 || bfd_is_abs_section (sym->section))
4148 info->symbol_info = 0;
4149 /* For all other symbols, the symbol_info field contains the
4150 subspace index of the space this symbol is contained in. */
4152 info->symbol_info = sym->section->target_index;
4154 /* Set the symbol's value. */
4155 info->symbol_value = sym->value + sym->section->vma;
4157 /* The secondary_def field is for "weak" symbols. */
4158 if (sym->flags & BSF_WEAK)
4159 info->secondary_def = TRUE;
4161 info->secondary_def = FALSE;
4163 /* The is_comdat, is_common and dup_common fields provide various
4166 For data symbols, setting IS_COMMON provides Fortran style common
4167 (duplicate definitions and overlapped initialization). Setting both
4168 IS_COMMON and DUP_COMMON provides Cobol style common (duplicate
4169 definitions as long as they are all the same length). In a shared
4170 link data symbols retain their IS_COMMON and DUP_COMMON flags.
4171 An IS_COMDAT data symbol is similar to a IS_COMMON | DUP_COMMON
4172 symbol except in that it loses its IS_COMDAT flag in a shared link.
4174 For code symbols, IS_COMDAT and DUP_COMMON have effect. Universal
4175 DUP_COMMON code symbols are not exported from shared libraries.
4176 IS_COMDAT symbols are exported but they lose their IS_COMDAT flag.
4178 We take a simplified approach to setting the is_comdat, is_common
4179 and dup_common flags in symbols based on the flag settings of their
4180 subspace. This avoids having to add directives like `.comdat' but
4181 the linker behavior is probably undefined if there is more than one
4182 universal symbol (comdat key sysmbol) in a subspace.
4184 The behavior of these flags is not well documentmented, so there
4185 may be bugs and some surprising interactions with other flags. */
4186 if (som_section_data (sym->section)
4187 && som_section_data (sym->section)->subspace_dict
4188 && info->symbol_scope == SS_UNIVERSAL
4189 && (info->symbol_type == ST_ENTRY
4190 || info->symbol_type == ST_CODE
4191 || info->symbol_type == ST_DATA))
4194 = som_section_data (sym->section)->subspace_dict->is_comdat;
4196 = som_section_data (sym->section)->subspace_dict->is_common;
4198 = som_section_data (sym->section)->subspace_dict->dup_common;
4202 /* Build and write, in one big chunk, the entire symbol table for
4206 som_build_and_write_symbol_table (abfd)
4209 unsigned int num_syms = bfd_get_symcount (abfd);
4210 file_ptr symtab_location = obj_som_file_hdr (abfd)->symbol_location;
4211 asymbol **bfd_syms = obj_som_sorted_syms (abfd);
4212 struct symbol_dictionary_record *som_symtab = NULL;
4214 bfd_size_type symtab_size;
4216 /* Compute total symbol table size and allocate a chunk of memory
4217 to hold the symbol table as we build it. */
4218 symtab_size = num_syms;
4219 symtab_size *= sizeof (struct symbol_dictionary_record);
4220 som_symtab = (struct symbol_dictionary_record *) bfd_zmalloc (symtab_size);
4221 if (som_symtab == NULL && symtab_size != 0)
4224 /* Walk over each symbol. */
4225 for (i = 0; i < num_syms; i++)
4227 struct som_misc_symbol_info info;
4229 /* This is really an index into the symbol strings table.
4230 By the time we get here, the index has already been
4231 computed and stored into the name field in the BFD symbol. */
4232 som_symtab[i].name.n_strx = som_symbol_data(bfd_syms[i])->stringtab_offset;
4234 /* Derive SOM information from the BFD symbol. */
4235 som_bfd_derive_misc_symbol_info (abfd, bfd_syms[i], &info);
4238 som_symtab[i].symbol_type = info.symbol_type;
4239 som_symtab[i].symbol_scope = info.symbol_scope;
4240 som_symtab[i].arg_reloc = info.arg_reloc;
4241 som_symtab[i].symbol_info = info.symbol_info;
4242 som_symtab[i].xleast = 3;
4243 som_symtab[i].symbol_value = info.symbol_value | info.priv_level;
4244 som_symtab[i].secondary_def = info.secondary_def;
4245 som_symtab[i].is_comdat = info.is_comdat;
4246 som_symtab[i].is_common = info.is_common;
4247 som_symtab[i].dup_common = info.dup_common;
4250 /* Everything is ready, seek to the right location and
4251 scribble out the symbol table. */
4252 if (bfd_seek (abfd, symtab_location, SEEK_SET) != 0)
4255 if (bfd_bwrite ((PTR) som_symtab, symtab_size, abfd) != symtab_size)
4258 if (som_symtab != NULL)
4262 if (som_symtab != NULL)
4267 /* Write an object in SOM format. */
4270 som_write_object_contents (abfd)
4273 if (! abfd->output_has_begun)
4275 /* Set up fixed parts of the file, space, and subspace headers.
4276 Notify the world that output has begun. */
4277 som_prep_headers (abfd);
4278 abfd->output_has_begun = TRUE;
4279 /* Start writing the object file. This include all the string
4280 tables, fixup streams, and other portions of the object file. */
4281 som_begin_writing (abfd);
4284 return (som_finish_writing (abfd));
4287 /* Read and save the string table associated with the given BFD. */
4290 som_slurp_string_table (abfd)
4296 /* Use the saved version if its available. */
4297 if (obj_som_stringtab (abfd) != NULL)
4300 /* I don't think this can currently happen, and I'm not sure it should
4301 really be an error, but it's better than getting unpredictable results
4302 from the host's malloc when passed a size of zero. */
4303 if (obj_som_stringtab_size (abfd) == 0)
4305 bfd_set_error (bfd_error_no_symbols);
4309 /* Allocate and read in the string table. */
4310 amt = obj_som_stringtab_size (abfd);
4311 stringtab = bfd_zmalloc (amt);
4312 if (stringtab == NULL)
4315 if (bfd_seek (abfd, obj_som_str_filepos (abfd), SEEK_SET) != 0)
4318 if (bfd_bread (stringtab, amt, abfd) != amt)
4321 /* Save our results and return success. */
4322 obj_som_stringtab (abfd) = stringtab;
4326 /* Return the amount of data (in bytes) required to hold the symbol
4327 table for this object. */
4330 som_get_symtab_upper_bound (abfd)
4333 if (!som_slurp_symbol_table (abfd))
4336 return (bfd_get_symcount (abfd) + 1) * (sizeof (asymbol *));
4339 /* Convert from a SOM subspace index to a BFD section. */
4342 bfd_section_from_som_symbol (abfd, symbol)
4344 struct symbol_dictionary_record *symbol;
4348 /* The meaning of the symbol_info field changes for functions
4349 within executables. So only use the quick symbol_info mapping for
4350 incomplete objects and non-function symbols in executables. */
4351 if ((abfd->flags & (EXEC_P | DYNAMIC)) == 0
4352 || (symbol->symbol_type != ST_ENTRY
4353 && symbol->symbol_type != ST_PRI_PROG
4354 && symbol->symbol_type != ST_SEC_PROG
4355 && symbol->symbol_type != ST_MILLICODE))
4357 int index = symbol->symbol_info;
4358 for (section = abfd->sections; section != NULL; section = section->next)
4359 if (section->target_index == index && som_is_subspace (section))
4362 /* Could be a symbol from an external library (such as an OMOS
4363 shared library). Don't abort. */
4364 return bfd_abs_section_ptr;
4369 unsigned int value = symbol->symbol_value;
4371 /* For executables we will have to use the symbol's address and
4372 find out what section would contain that address. Yuk. */
4373 for (section = abfd->sections; section; section = section->next)
4375 if (value >= section->vma
4376 && value <= section->vma + section->_cooked_size
4377 && som_is_subspace (section))
4381 /* Could be a symbol from an external library (such as an OMOS
4382 shared library). Don't abort. */
4383 return bfd_abs_section_ptr;
4388 /* Read and save the symbol table associated with the given BFD. */
4391 som_slurp_symbol_table (abfd)
4394 int symbol_count = bfd_get_symcount (abfd);
4395 int symsize = sizeof (struct symbol_dictionary_record);
4397 struct symbol_dictionary_record *buf = NULL, *bufp, *endbufp;
4398 som_symbol_type *sym, *symbase;
4401 /* Return saved value if it exists. */
4402 if (obj_som_symtab (abfd) != NULL)
4403 goto successful_return;
4405 /* Special case. This is *not* an error. */
4406 if (symbol_count == 0)
4407 goto successful_return;
4409 if (!som_slurp_string_table (abfd))
4412 stringtab = obj_som_stringtab (abfd);
4415 amt *= sizeof (som_symbol_type);
4416 symbase = (som_symbol_type *) bfd_zmalloc (amt);
4417 if (symbase == NULL)
4420 /* Read in the external SOM representation. */
4423 buf = bfd_malloc (amt);
4424 if (buf == NULL && amt != 0)
4426 if (bfd_seek (abfd, obj_som_sym_filepos (abfd), SEEK_SET) != 0)
4428 if (bfd_bread (buf, amt, abfd) != amt)
4431 /* Iterate over all the symbols and internalize them. */
4432 endbufp = buf + symbol_count;
4433 for (bufp = buf, sym = symbase; bufp < endbufp; ++bufp)
4436 /* I don't think we care about these. */
4437 if (bufp->symbol_type == ST_SYM_EXT
4438 || bufp->symbol_type == ST_ARG_EXT)
4441 /* Set some private data we care about. */
4442 if (bufp->symbol_type == ST_NULL)
4443 som_symbol_data (sym)->som_type = SYMBOL_TYPE_UNKNOWN;
4444 else if (bufp->symbol_type == ST_ABSOLUTE)
4445 som_symbol_data (sym)->som_type = SYMBOL_TYPE_ABSOLUTE;
4446 else if (bufp->symbol_type == ST_DATA)
4447 som_symbol_data (sym)->som_type = SYMBOL_TYPE_DATA;
4448 else if (bufp->symbol_type == ST_CODE)
4449 som_symbol_data (sym)->som_type = SYMBOL_TYPE_CODE;
4450 else if (bufp->symbol_type == ST_PRI_PROG)
4451 som_symbol_data (sym)->som_type = SYMBOL_TYPE_PRI_PROG;
4452 else if (bufp->symbol_type == ST_SEC_PROG)
4453 som_symbol_data (sym)->som_type = SYMBOL_TYPE_SEC_PROG;
4454 else if (bufp->symbol_type == ST_ENTRY)
4455 som_symbol_data (sym)->som_type = SYMBOL_TYPE_ENTRY;
4456 else if (bufp->symbol_type == ST_MILLICODE)
4457 som_symbol_data (sym)->som_type = SYMBOL_TYPE_MILLICODE;
4458 else if (bufp->symbol_type == ST_PLABEL)
4459 som_symbol_data (sym)->som_type = SYMBOL_TYPE_PLABEL;
4461 som_symbol_data (sym)->som_type = SYMBOL_TYPE_UNKNOWN;
4462 som_symbol_data (sym)->tc_data.ap.hppa_arg_reloc = bufp->arg_reloc;
4464 /* Some reasonable defaults. */
4465 sym->symbol.the_bfd = abfd;
4466 sym->symbol.name = bufp->name.n_strx + stringtab;
4467 sym->symbol.value = bufp->symbol_value;
4468 sym->symbol.section = 0;
4469 sym->symbol.flags = 0;
4471 switch (bufp->symbol_type)
4475 sym->symbol.flags |= BSF_FUNCTION;
4476 som_symbol_data (sym)->tc_data.ap.hppa_priv_level =
4477 sym->symbol.value & 0x3;
4478 sym->symbol.value &= ~0x3;
4485 som_symbol_data (sym)->tc_data.ap.hppa_priv_level =
4486 sym->symbol.value & 0x3;
4487 sym->symbol.value &= ~0x3;
4488 /* If the symbol's scope is SS_UNSAT, then these are
4489 undefined function symbols. */
4490 if (bufp->symbol_scope == SS_UNSAT)
4491 sym->symbol.flags |= BSF_FUNCTION;
4497 /* Handle scoping and section information. */
4498 switch (bufp->symbol_scope)
4500 /* symbol_info field is undefined for SS_EXTERNAL and SS_UNSAT symbols,
4501 so the section associated with this symbol can't be known. */
4503 if (bufp->symbol_type != ST_STORAGE)
4504 sym->symbol.section = bfd_und_section_ptr;
4506 sym->symbol.section = bfd_com_section_ptr;
4507 sym->symbol.flags |= (BSF_EXPORT | BSF_GLOBAL);
4511 if (bufp->symbol_type != ST_STORAGE)
4512 sym->symbol.section = bfd_und_section_ptr;
4514 sym->symbol.section = bfd_com_section_ptr;
4518 sym->symbol.flags |= (BSF_EXPORT | BSF_GLOBAL);
4519 sym->symbol.section = bfd_section_from_som_symbol (abfd, bufp);
4520 sym->symbol.value -= sym->symbol.section->vma;
4524 /* SS_GLOBAL and SS_LOCAL are two names for the same thing.
4525 Sound dumb? It is. */
4529 sym->symbol.flags |= BSF_LOCAL;
4530 sym->symbol.section = bfd_section_from_som_symbol (abfd, bufp);
4531 sym->symbol.value -= sym->symbol.section->vma;
4535 /* Check for a weak symbol. */
4536 if (bufp->secondary_def)
4537 sym->symbol.flags |= BSF_WEAK;
4539 /* Mark section symbols and symbols used by the debugger.
4540 Note $START$ is a magic code symbol, NOT a section symbol. */
4541 if (sym->symbol.name[0] == '$'
4542 && sym->symbol.name[strlen (sym->symbol.name) - 1] == '$'
4543 && !strcmp (sym->symbol.name, sym->symbol.section->name))
4544 sym->symbol.flags |= BSF_SECTION_SYM;
4545 else if (!strncmp (sym->symbol.name, "L$0\002", 4))
4547 sym->symbol.flags |= BSF_SECTION_SYM;
4548 sym->symbol.name = sym->symbol.section->name;
4550 else if (!strncmp (sym->symbol.name, "L$0\001", 4))
4551 sym->symbol.flags |= BSF_DEBUGGING;
4553 /* Note increment at bottom of loop, since we skip some symbols
4554 we can not include it as part of the for statement. */
4558 /* We modify the symbol count to record the number of BFD symbols we
4560 bfd_get_symcount (abfd) = sym - symbase;
4562 /* Save our results and return success. */
4563 obj_som_symtab (abfd) = symbase;
4575 /* Canonicalize a SOM symbol table. Return the number of entries
4576 in the symbol table. */
4579 som_canonicalize_symtab (abfd, location)
4584 som_symbol_type *symbase;
4586 if (!som_slurp_symbol_table (abfd))
4589 i = bfd_get_symcount (abfd);
4590 symbase = obj_som_symtab (abfd);
4592 for (; i > 0; i--, location++, symbase++)
4593 *location = &symbase->symbol;
4595 /* Final null pointer. */
4597 return (bfd_get_symcount (abfd));
4600 /* Make a SOM symbol. There is nothing special to do here. */
4603 som_make_empty_symbol (abfd)
4606 bfd_size_type amt = sizeof (som_symbol_type);
4607 som_symbol_type *new = (som_symbol_type *) bfd_zalloc (abfd, amt);
4610 new->symbol.the_bfd = abfd;
4612 return &new->symbol;
4615 /* Print symbol information. */
4618 som_print_symbol (abfd, afile, symbol, how)
4622 bfd_print_symbol_type how;
4624 FILE *file = (FILE *) afile;
4627 case bfd_print_symbol_name:
4628 fprintf (file, "%s", symbol->name);
4630 case bfd_print_symbol_more:
4631 fprintf (file, "som ");
4632 fprintf_vma (file, symbol->value);
4633 fprintf (file, " %lx", (long) symbol->flags);
4635 case bfd_print_symbol_all:
4637 const char *section_name;
4638 section_name = symbol->section ? symbol->section->name : "(*none*)";
4639 bfd_print_symbol_vandf (abfd, (PTR) file, symbol);
4640 fprintf (file, " %s\t%s", section_name, symbol->name);
4647 som_bfd_is_local_label_name (abfd, name)
4648 bfd *abfd ATTRIBUTE_UNUSED;
4651 return (name[0] == 'L' && name[1] == '$');
4654 /* Count or process variable-length SOM fixup records.
4656 To avoid code duplication we use this code both to compute the number
4657 of relocations requested by a stream, and to internalize the stream.
4659 When computing the number of relocations requested by a stream the
4660 variables rptr, section, and symbols have no meaning.
4662 Return the number of relocations requested by the fixup stream. When
4665 This needs at least two or three more passes to get it cleaned up. */
4668 som_set_reloc_info (fixup, end, internal_relocs, section, symbols, just_count)
4669 unsigned char *fixup;
4671 arelent *internal_relocs;
4674 bfd_boolean just_count;
4676 unsigned int op, varname, deallocate_contents = 0;
4677 unsigned char *end_fixups = &fixup[end];
4678 const struct fixup_format *fp;
4680 unsigned char *save_fixup;
4681 int variables[26], stack[20], c, v, count, prev_fixup, *sp, saved_unwind_bits;
4683 arelent *rptr = internal_relocs;
4684 unsigned int offset = 0;
4686 #define var(c) variables[(c) - 'A']
4687 #define push(v) (*sp++ = (v))
4688 #define pop() (*--sp)
4689 #define emptystack() (sp == stack)
4691 som_initialize_reloc_queue (reloc_queue);
4692 memset (variables, 0, sizeof (variables));
4693 memset (stack, 0, sizeof (stack));
4696 saved_unwind_bits = 0;
4699 while (fixup < end_fixups)
4702 /* Save pointer to the start of this fixup. We'll use
4703 it later to determine if it is necessary to put this fixup
4707 /* Get the fixup code and its associated format. */
4709 fp = &som_fixup_formats[op];
4711 /* Handle a request for a previous fixup. */
4712 if (*fp->format == 'P')
4714 /* Get pointer to the beginning of the prev fixup, move
4715 the repeated fixup to the head of the queue. */
4716 fixup = reloc_queue[fp->D].reloc;
4717 som_reloc_queue_fix (reloc_queue, fp->D);
4720 /* Get the fixup code and its associated format. */
4722 fp = &som_fixup_formats[op];
4725 /* If this fixup will be passed to BFD, set some reasonable defaults. */
4727 && som_hppa_howto_table[op].type != R_NO_RELOCATION
4728 && som_hppa_howto_table[op].type != R_DATA_OVERRIDE)
4730 rptr->address = offset;
4731 rptr->howto = &som_hppa_howto_table[op];
4733 rptr->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr;
4736 /* Set default input length to 0. Get the opcode class index
4740 var ('U') = saved_unwind_bits;
4742 /* Get the opcode format. */
4745 /* Process the format string. Parsing happens in two phases,
4746 parse RHS, then assign to LHS. Repeat until no more
4747 characters in the format string. */
4750 /* The variable this pass is going to compute a value for. */
4753 /* Start processing RHS. Continue until a NULL or '=' is found. */
4758 /* If this is a variable, push it on the stack. */
4762 /* If this is a lower case letter, then it represents
4763 additional data from the fixup stream to be pushed onto
4765 else if (ISLOWER (c))
4767 int bits = (c - 'a') * 8;
4768 for (v = 0; c > 'a'; --c)
4769 v = (v << 8) | *fixup++;
4771 v = sign_extend (v, bits);
4775 /* A decimal constant. Push it on the stack. */
4776 else if (ISDIGIT (c))
4779 while (ISDIGIT (*cp))
4780 v = (v * 10) + (*cp++ - '0');
4784 /* An operator. Pop two two values from the stack and
4785 use them as operands to the given operation. Push
4786 the result of the operation back on the stack. */
4808 while (*cp && *cp != '=');
4810 /* Move over the equal operator. */
4813 /* Pop the RHS off the stack. */
4816 /* Perform the assignment. */
4819 /* Handle side effects. and special 'O' stack cases. */
4822 /* Consume some bytes from the input space. */
4826 /* A symbol to use in the relocation. Make a note
4827 of this if we are not just counting. */
4830 rptr->sym_ptr_ptr = &symbols[c];
4832 /* Argument relocation bits for a function call. */
4836 unsigned int tmp = var ('R');
4839 if ((som_hppa_howto_table[op].type == R_PCREL_CALL
4840 && R_PCREL_CALL + 10 > op)
4841 || (som_hppa_howto_table[op].type == R_ABS_CALL
4842 && R_ABS_CALL + 10 > op))
4844 /* Simple encoding. */
4851 rptr->addend |= 1 << 8 | 1 << 6 | 1 << 4 | 1 << 2;
4853 rptr->addend |= 1 << 8 | 1 << 6 | 1 << 4;
4855 rptr->addend |= 1 << 8 | 1 << 6;
4857 rptr->addend |= 1 << 8;
4861 unsigned int tmp1, tmp2;
4863 /* First part is easy -- low order two bits are
4864 directly copied, then shifted away. */
4865 rptr->addend = tmp & 0x3;
4868 /* Diving the result by 10 gives us the second
4869 part. If it is 9, then the first two words
4870 are a double precision paramater, else it is
4871 3 * the first arg bits + the 2nd arg bits. */
4875 rptr->addend += (0xe << 6);
4878 /* Get the two pieces. */
4881 /* Put them in the addend. */
4882 rptr->addend += (tmp2 << 8) + (tmp1 << 6);
4885 /* What's left is the third part. It's unpacked
4886 just like the second. */
4888 rptr->addend += (0xe << 2);
4893 rptr->addend += (tmp2 << 4) + (tmp << 2);
4896 rptr->addend = HPPA_R_ADDEND (rptr->addend, 0);
4899 /* Handle the linker expression stack. */
4904 subop = comp1_opcodes;
4907 subop = comp2_opcodes;
4910 subop = comp3_opcodes;
4915 while (*subop <= (unsigned char) c)
4919 /* The lower 32unwind bits must be persistent. */
4921 saved_unwind_bits = var ('U');
4929 /* If we used a previous fixup, clean up after it. */
4932 fixup = save_fixup + 1;
4936 else if (fixup > save_fixup + 1)
4937 som_reloc_queue_insert (save_fixup, fixup - save_fixup, reloc_queue);
4939 /* We do not pass R_DATA_OVERRIDE or R_NO_RELOCATION
4941 if (som_hppa_howto_table[op].type != R_DATA_OVERRIDE
4942 && som_hppa_howto_table[op].type != R_NO_RELOCATION)
4944 /* Done with a single reloction. Loop back to the top. */
4947 if (som_hppa_howto_table[op].type == R_ENTRY)
4948 rptr->addend = var ('T');
4949 else if (som_hppa_howto_table[op].type == R_EXIT)
4950 rptr->addend = var ('U');
4951 else if (som_hppa_howto_table[op].type == R_PCREL_CALL
4952 || som_hppa_howto_table[op].type == R_ABS_CALL)
4954 else if (som_hppa_howto_table[op].type == R_DATA_ONE_SYMBOL)
4956 /* Try what was specified in R_DATA_OVERRIDE first
4957 (if anything). Then the hard way using the
4958 section contents. */
4959 rptr->addend = var ('V');
4961 if (rptr->addend == 0 && !section->contents)
4963 /* Got to read the damn contents first. We don't
4964 bother saving the contents (yet). Add it one
4965 day if the need arises. */
4966 section->contents = bfd_malloc (section->_raw_size);
4967 if (section->contents == NULL)
4968 return (unsigned) -1;
4970 deallocate_contents = 1;
4971 bfd_get_section_contents (section->owner,
4975 section->_raw_size);
4977 else if (rptr->addend == 0)
4978 rptr->addend = bfd_get_32 (section->owner,
4980 + offset - var ('L')));
4984 rptr->addend = var ('V');
4988 /* Now that we've handled a "full" relocation, reset
4990 memset (variables, 0, sizeof (variables));
4991 memset (stack, 0, sizeof (stack));
4994 if (deallocate_contents)
4995 free (section->contents);
5005 /* Read in the relocs (aka fixups in SOM terms) for a section.
5007 som_get_reloc_upper_bound calls this routine with JUST_COUNT
5008 set to TRUE to indicate it only needs a count of the number
5009 of actual relocations. */
5012 som_slurp_reloc_table (abfd, section, symbols, just_count)
5016 bfd_boolean just_count;
5018 char *external_relocs;
5019 unsigned int fixup_stream_size;
5020 arelent *internal_relocs;
5021 unsigned int num_relocs;
5024 fixup_stream_size = som_section_data (section)->reloc_size;
5025 /* If there were no relocations, then there is nothing to do. */
5026 if (section->reloc_count == 0)
5029 /* If reloc_count is -1, then the relocation stream has not been
5030 parsed. We must do so now to know how many relocations exist. */
5031 if (section->reloc_count == (unsigned) -1)
5033 amt = fixup_stream_size;
5034 external_relocs = (char *) bfd_malloc (amt);
5035 if (external_relocs == (char *) NULL)
5037 /* Read in the external forms. */
5039 obj_som_reloc_filepos (abfd) + section->rel_filepos,
5043 if (bfd_bread (external_relocs, amt, abfd) != amt)
5046 /* Let callers know how many relocations found.
5047 also save the relocation stream as we will
5049 section->reloc_count = som_set_reloc_info (external_relocs,
5051 NULL, NULL, NULL, TRUE);
5053 som_section_data (section)->reloc_stream = external_relocs;
5056 /* If the caller only wanted a count, then return now. */
5060 num_relocs = section->reloc_count;
5061 external_relocs = som_section_data (section)->reloc_stream;
5062 /* Return saved information about the relocations if it is available. */
5063 if (section->relocation != (arelent *) NULL)
5067 amt *= sizeof (arelent);
5068 internal_relocs = (arelent *) bfd_zalloc (abfd, (amt));
5069 if (internal_relocs == (arelent *) NULL)
5072 /* Process and internalize the relocations. */
5073 som_set_reloc_info (external_relocs, fixup_stream_size,
5074 internal_relocs, section, symbols, FALSE);
5076 /* We're done with the external relocations. Free them. */
5077 free (external_relocs);
5078 som_section_data (section)->reloc_stream = NULL;
5080 /* Save our results and return success. */
5081 section->relocation = internal_relocs;
5085 /* Return the number of bytes required to store the relocation
5086 information associated with the given section. */
5089 som_get_reloc_upper_bound (abfd, asect)
5093 /* If section has relocations, then read in the relocation stream
5094 and parse it to determine how many relocations exist. */
5095 if (asect->flags & SEC_RELOC)
5097 if (! som_slurp_reloc_table (abfd, asect, NULL, TRUE))
5099 return (asect->reloc_count + 1) * sizeof (arelent *);
5101 /* There are no relocations. */
5105 /* Convert relocations from SOM (external) form into BFD internal
5106 form. Return the number of relocations. */
5109 som_canonicalize_reloc (abfd, section, relptr, symbols)
5118 if (! som_slurp_reloc_table (abfd, section, symbols, FALSE))
5121 count = section->reloc_count;
5122 tblptr = section->relocation;
5125 *relptr++ = tblptr++;
5127 *relptr = (arelent *) NULL;
5128 return section->reloc_count;
5131 extern const bfd_target som_vec;
5133 /* A hook to set up object file dependent section information. */
5136 som_new_section_hook (abfd, newsect)
5140 bfd_size_type amt = sizeof (struct som_section_data_struct);
5141 newsect->used_by_bfd = (PTR) bfd_zalloc (abfd, amt);
5142 if (!newsect->used_by_bfd)
5144 newsect->alignment_power = 3;
5146 /* We allow more than three sections internally. */
5150 /* Copy any private info we understand from the input symbol
5151 to the output symbol. */
5154 som_bfd_copy_private_symbol_data (ibfd, isymbol, obfd, osymbol)
5160 struct som_symbol *input_symbol = (struct som_symbol *) isymbol;
5161 struct som_symbol *output_symbol = (struct som_symbol *) osymbol;
5163 /* One day we may try to grok other private data. */
5164 if (ibfd->xvec->flavour != bfd_target_som_flavour
5165 || obfd->xvec->flavour != bfd_target_som_flavour)
5168 /* The only private information we need to copy is the argument relocation
5170 output_symbol->tc_data.ap.hppa_arg_reloc =
5171 input_symbol->tc_data.ap.hppa_arg_reloc;
5176 /* Copy any private info we understand from the input section
5177 to the output section. */
5180 som_bfd_copy_private_section_data (ibfd, isection, obfd, osection)
5188 /* One day we may try to grok other private data. */
5189 if (ibfd->xvec->flavour != bfd_target_som_flavour
5190 || obfd->xvec->flavour != bfd_target_som_flavour
5191 || (!som_is_space (isection) && !som_is_subspace (isection)))
5194 amt = sizeof (struct som_copyable_section_data_struct);
5195 som_section_data (osection)->copy_data =
5196 (struct som_copyable_section_data_struct *) bfd_zalloc (obfd, amt);
5197 if (som_section_data (osection)->copy_data == NULL)
5200 memcpy (som_section_data (osection)->copy_data,
5201 som_section_data (isection)->copy_data,
5202 sizeof (struct som_copyable_section_data_struct));
5204 /* Reparent if necessary. */
5205 if (som_section_data (osection)->copy_data->container)
5206 som_section_data (osection)->copy_data->container =
5207 som_section_data (osection)->copy_data->container->output_section;
5212 /* Copy any private info we understand from the input bfd
5213 to the output bfd. */
5216 som_bfd_copy_private_bfd_data (ibfd, obfd)
5219 /* One day we may try to grok other private data. */
5220 if (ibfd->xvec->flavour != bfd_target_som_flavour
5221 || obfd->xvec->flavour != bfd_target_som_flavour)
5224 /* Allocate some memory to hold the data we need. */
5225 obj_som_exec_data (obfd) = (struct som_exec_data *)
5226 bfd_zalloc (obfd, (bfd_size_type) sizeof (struct som_exec_data));
5227 if (obj_som_exec_data (obfd) == NULL)
5230 /* Now copy the data. */
5231 memcpy (obj_som_exec_data (obfd), obj_som_exec_data (ibfd),
5232 sizeof (struct som_exec_data));
5237 /* Set backend info for sections which can not be described
5238 in the BFD data structures. */
5241 bfd_som_set_section_attributes (section, defined, private, sort_key, spnum)
5245 unsigned int sort_key;
5248 /* Allocate memory to hold the magic information. */
5249 if (som_section_data (section)->copy_data == NULL)
5251 bfd_size_type amt = sizeof (struct som_copyable_section_data_struct);
5252 som_section_data (section)->copy_data =
5253 (struct som_copyable_section_data_struct *) bfd_zalloc (section->owner,
5255 if (som_section_data (section)->copy_data == NULL)
5258 som_section_data (section)->copy_data->sort_key = sort_key;
5259 som_section_data (section)->copy_data->is_defined = defined;
5260 som_section_data (section)->copy_data->is_private = private;
5261 som_section_data (section)->copy_data->container = section;
5262 som_section_data (section)->copy_data->space_number = spnum;
5266 /* Set backend info for subsections which can not be described
5267 in the BFD data structures. */
5270 bfd_som_set_subsection_attributes (section, container, access,
5271 sort_key, quadrant, comdat,
5274 asection *container;
5276 unsigned int sort_key;
5277 int quadrant, comdat, common, dup_common;
5279 /* Allocate memory to hold the magic information. */
5280 if (som_section_data (section)->copy_data == NULL)
5282 bfd_size_type amt = sizeof (struct som_copyable_section_data_struct);
5283 som_section_data (section)->copy_data =
5284 (struct som_copyable_section_data_struct *) bfd_zalloc (section->owner,
5286 if (som_section_data (section)->copy_data == NULL)
5289 som_section_data (section)->copy_data->sort_key = sort_key;
5290 som_section_data (section)->copy_data->access_control_bits = access;
5291 som_section_data (section)->copy_data->quadrant = quadrant;
5292 som_section_data (section)->copy_data->container = container;
5293 som_section_data (section)->copy_data->is_comdat = comdat;
5294 som_section_data (section)->copy_data->is_common = common;
5295 som_section_data (section)->copy_data->dup_common = dup_common;
5299 /* Set the full SOM symbol type. SOM needs far more symbol information
5300 than any other object file format I'm aware of. It is mandatory
5301 to be able to know if a symbol is an entry point, millicode, data,
5302 code, absolute, storage request, or procedure label. If you get
5303 the symbol type wrong your program will not link. */
5306 bfd_som_set_symbol_type (symbol, type)
5310 som_symbol_data (symbol)->som_type = type;
5313 /* Attach an auxiliary header to the BFD backend so that it may be
5314 written into the object file. */
5317 bfd_som_attach_aux_hdr (abfd, type, string)
5324 if (type == VERSION_AUX_ID)
5326 size_t len = strlen (string);
5330 pad = (4 - (len % 4));
5331 amt = sizeof (struct aux_id) + sizeof (unsigned int) + len + pad;
5332 obj_som_version_hdr (abfd) =
5333 (struct user_string_aux_hdr *) bfd_zalloc (abfd, amt);
5334 if (!obj_som_version_hdr (abfd))
5336 obj_som_version_hdr (abfd)->header_id.type = VERSION_AUX_ID;
5337 obj_som_version_hdr (abfd)->header_id.length = len + pad;
5338 obj_som_version_hdr (abfd)->header_id.length += sizeof (int);
5339 obj_som_version_hdr (abfd)->string_length = len;
5340 strncpy (obj_som_version_hdr (abfd)->user_string, string, len);
5342 else if (type == COPYRIGHT_AUX_ID)
5344 int len = strlen (string);
5348 pad = (4 - (len % 4));
5349 amt = sizeof (struct aux_id) + sizeof (unsigned int) + len + pad;
5350 obj_som_copyright_hdr (abfd) =
5351 (struct copyright_aux_hdr *) bfd_zalloc (abfd, amt);
5352 if (!obj_som_copyright_hdr (abfd))
5354 obj_som_copyright_hdr (abfd)->header_id.type = COPYRIGHT_AUX_ID;
5355 obj_som_copyright_hdr (abfd)->header_id.length = len + pad;
5356 obj_som_copyright_hdr (abfd)->header_id.length += sizeof (int);
5357 obj_som_copyright_hdr (abfd)->string_length = len;
5358 strcpy (obj_som_copyright_hdr (abfd)->copyright, string);
5363 /* Attach a compilation unit header to the BFD backend so that it may be
5364 written into the object file. */
5367 bfd_som_attach_compilation_unit (abfd, name, language_name, product_id,
5371 const char *language_name;
5372 const char *product_id;
5373 const char *version_id;
5375 COMPUNIT *n = (COMPUNIT *) bfd_zalloc (abfd, (bfd_size_type) COMPUNITSZ);
5382 n->f.n_name = bfd_alloc (abfd, (bfd_size_type) strlen (f) + 1); \
5383 if (n->f.n_name == NULL) \
5385 strcpy (n->f.n_name, f); \
5389 STRDUP (language_name);
5390 STRDUP (product_id);
5391 STRDUP (version_id);
5395 obj_som_compilation_unit (abfd) = n;
5401 som_get_section_contents (abfd, section, location, offset, count)
5406 bfd_size_type count;
5408 if (count == 0 || ((section->flags & SEC_HAS_CONTENTS) == 0))
5410 if ((bfd_size_type) (offset+count) > section->_raw_size
5411 || bfd_seek (abfd, (file_ptr) (section->filepos + offset), SEEK_SET) != 0
5412 || bfd_bread (location, count, abfd) != count)
5413 return FALSE; /* On error. */
5418 som_set_section_contents (abfd, section, location, offset, count)
5423 bfd_size_type count;
5425 if (! abfd->output_has_begun)
5427 /* Set up fixed parts of the file, space, and subspace headers.
5428 Notify the world that output has begun. */
5429 som_prep_headers (abfd);
5430 abfd->output_has_begun = TRUE;
5431 /* Start writing the object file. This include all the string
5432 tables, fixup streams, and other portions of the object file. */
5433 som_begin_writing (abfd);
5436 /* Only write subspaces which have "real" contents (eg. the contents
5437 are not generated at run time by the OS). */
5438 if (!som_is_subspace (section)
5439 || ((section->flags & SEC_HAS_CONTENTS) == 0))
5442 /* Seek to the proper offset within the object file and write the
5444 offset += som_section_data (section)->subspace_dict->file_loc_init_value;
5445 if (bfd_seek (abfd, offset, SEEK_SET) != 0)
5448 if (bfd_bwrite (location, count, abfd) != count)
5454 som_set_arch_mach (abfd, arch, machine)
5456 enum bfd_architecture arch;
5457 unsigned long machine;
5459 /* Allow any architecture to be supported by the SOM backend. */
5460 return bfd_default_set_arch_mach (abfd, arch, machine);
5464 som_find_nearest_line (abfd, section, symbols, offset, filename_ptr,
5465 functionname_ptr, line_ptr)
5466 bfd *abfd ATTRIBUTE_UNUSED;
5467 asection *section ATTRIBUTE_UNUSED;
5468 asymbol **symbols ATTRIBUTE_UNUSED;
5469 bfd_vma offset ATTRIBUTE_UNUSED;
5470 const char **filename_ptr ATTRIBUTE_UNUSED;
5471 const char **functionname_ptr ATTRIBUTE_UNUSED;
5472 unsigned int *line_ptr ATTRIBUTE_UNUSED;
5478 som_sizeof_headers (abfd, reloc)
5479 bfd *abfd ATTRIBUTE_UNUSED;
5480 bfd_boolean reloc ATTRIBUTE_UNUSED;
5482 (*_bfd_error_handler) (_("som_sizeof_headers unimplemented"));
5488 /* Return the single-character symbol type corresponding to
5489 SOM section S, or '?' for an unknown SOM section. */
5492 som_section_type (s)
5495 const struct section_to_type *t;
5497 for (t = &stt[0]; t->section; t++)
5498 if (!strcmp (s, t->section))
5504 som_decode_symclass (symbol)
5509 if (bfd_is_com_section (symbol->section))
5511 if (bfd_is_und_section (symbol->section))
5513 if (bfd_is_ind_section (symbol->section))
5515 if (symbol->flags & BSF_WEAK)
5517 if (!(symbol->flags & (BSF_GLOBAL | BSF_LOCAL)))
5520 if (bfd_is_abs_section (symbol->section)
5521 || (som_symbol_data (symbol) != NULL
5522 && som_symbol_data (symbol)->som_type == SYMBOL_TYPE_ABSOLUTE))
5524 else if (symbol->section)
5525 c = som_section_type (symbol->section->name);
5528 if (symbol->flags & BSF_GLOBAL)
5533 /* Return information about SOM symbol SYMBOL in RET. */
5536 som_get_symbol_info (ignore_abfd, symbol, ret)
5537 bfd *ignore_abfd ATTRIBUTE_UNUSED;
5541 ret->type = som_decode_symclass (symbol);
5542 if (ret->type != 'U')
5543 ret->value = symbol->value + symbol->section->vma;
5546 ret->name = symbol->name;
5549 /* Count the number of symbols in the archive symbol table. Necessary
5550 so that we can allocate space for all the carsyms at once. */
5553 som_bfd_count_ar_symbols (abfd, lst_header, count)
5555 struct lst_header *lst_header;
5559 unsigned int *hash_table = NULL;
5561 file_ptr lst_filepos = bfd_tell (abfd) - sizeof (struct lst_header);
5563 amt = lst_header->hash_size;
5564 amt *= sizeof (unsigned int);
5565 hash_table = (unsigned int *) bfd_malloc (amt);
5566 if (hash_table == NULL && lst_header->hash_size != 0)
5569 /* Don't forget to initialize the counter! */
5572 /* Read in the hash table. The has table is an array of 32bit file offsets
5573 which point to the hash chains. */
5574 if (bfd_bread ((PTR) hash_table, amt, abfd) != amt)
5577 /* Walk each chain counting the number of symbols found on that particular
5579 for (i = 0; i < lst_header->hash_size; i++)
5581 struct lst_symbol_record lst_symbol;
5583 /* An empty chain has zero as it's file offset. */
5584 if (hash_table[i] == 0)
5587 /* Seek to the first symbol in this hash chain. */
5588 if (bfd_seek (abfd, lst_filepos + hash_table[i], SEEK_SET) != 0)
5591 /* Read in this symbol and update the counter. */
5592 amt = sizeof (lst_symbol);
5593 if (bfd_bread ((PTR) &lst_symbol, amt, abfd) != amt)
5598 /* Now iterate through the rest of the symbols on this chain. */
5599 while (lst_symbol.next_entry)
5602 /* Seek to the next symbol. */
5603 if (bfd_seek (abfd, lst_filepos + lst_symbol.next_entry, SEEK_SET)
5607 /* Read the symbol in and update the counter. */
5608 amt = sizeof (lst_symbol);
5609 if (bfd_bread ((PTR) &lst_symbol, amt, abfd) != amt)
5615 if (hash_table != NULL)
5620 if (hash_table != NULL)
5625 /* Fill in the canonical archive symbols (SYMS) from the archive described
5626 by ABFD and LST_HEADER. */
5629 som_bfd_fill_in_ar_symbols (abfd, lst_header, syms)
5631 struct lst_header *lst_header;
5634 unsigned int i, len;
5635 carsym *set = syms[0];
5636 unsigned int *hash_table = NULL;
5637 struct som_entry *som_dict = NULL;
5639 file_ptr lst_filepos = bfd_tell (abfd) - sizeof (struct lst_header);
5641 amt = lst_header->hash_size;
5642 amt *= sizeof (unsigned int);
5643 hash_table = (unsigned int *) bfd_malloc (amt);
5644 if (hash_table == NULL && lst_header->hash_size != 0)
5647 /* Read in the hash table. The has table is an array of 32bit file offsets
5648 which point to the hash chains. */
5649 if (bfd_bread ((PTR) hash_table, amt, abfd) != amt)
5652 /* Seek to and read in the SOM dictionary. We will need this to fill
5653 in the carsym's filepos field. */
5654 if (bfd_seek (abfd, lst_filepos + lst_header->dir_loc, SEEK_SET) != 0)
5657 amt = lst_header->module_count;
5658 amt *= sizeof (struct som_entry);
5659 som_dict = (struct som_entry *) bfd_malloc (amt);
5660 if (som_dict == NULL && lst_header->module_count != 0)
5663 if (bfd_bread ((PTR) som_dict, amt, abfd) != amt)
5666 /* Walk each chain filling in the carsyms as we go along. */
5667 for (i = 0; i < lst_header->hash_size; i++)
5669 struct lst_symbol_record lst_symbol;
5671 /* An empty chain has zero as it's file offset. */
5672 if (hash_table[i] == 0)
5675 /* Seek to and read the first symbol on the chain. */
5676 if (bfd_seek (abfd, lst_filepos + hash_table[i], SEEK_SET) != 0)
5679 amt = sizeof (lst_symbol);
5680 if (bfd_bread ((PTR) &lst_symbol, amt, abfd) != amt)
5683 /* Get the name of the symbol, first get the length which is stored
5684 as a 32bit integer just before the symbol.
5686 One might ask why we don't just read in the entire string table
5687 and index into it. Well, according to the SOM ABI the string
5688 index can point *anywhere* in the archive to save space, so just
5689 using the string table would not be safe. */
5690 if (bfd_seek (abfd, lst_filepos + lst_header->string_loc
5691 + lst_symbol.name.n_strx - 4, SEEK_SET) != 0)
5694 if (bfd_bread (&len, (bfd_size_type) 4, abfd) != 4)
5697 /* Allocate space for the name and null terminate it too. */
5698 set->name = bfd_zalloc (abfd, (bfd_size_type) len + 1);
5701 if (bfd_bread (set->name, (bfd_size_type) len, abfd) != len)
5706 /* Fill in the file offset. Note that the "location" field points
5707 to the SOM itself, not the ar_hdr in front of it. */
5708 set->file_offset = som_dict[lst_symbol.som_index].location
5709 - sizeof (struct ar_hdr);
5711 /* Go to the next symbol. */
5714 /* Iterate through the rest of the chain. */
5715 while (lst_symbol.next_entry)
5717 /* Seek to the next symbol and read it in. */
5718 if (bfd_seek (abfd, lst_filepos + lst_symbol.next_entry, SEEK_SET)
5722 amt = sizeof (lst_symbol);
5723 if (bfd_bread ((PTR) &lst_symbol, amt, abfd) != amt)
5726 /* Seek to the name length & string and read them in. */
5727 if (bfd_seek (abfd, lst_filepos + lst_header->string_loc
5728 + lst_symbol.name.n_strx - 4, SEEK_SET) != 0)
5731 if (bfd_bread (&len, (bfd_size_type) 4, abfd) != 4)
5734 /* Allocate space for the name and null terminate it too. */
5735 set->name = bfd_zalloc (abfd, (bfd_size_type) len + 1);
5739 if (bfd_bread (set->name, (bfd_size_type) len, abfd) != len)
5743 /* Fill in the file offset. Note that the "location" field points
5744 to the SOM itself, not the ar_hdr in front of it. */
5745 set->file_offset = som_dict[lst_symbol.som_index].location
5746 - sizeof (struct ar_hdr);
5748 /* Go on to the next symbol. */
5752 /* If we haven't died by now, then we successfully read the entire
5753 archive symbol table. */
5754 if (hash_table != NULL)
5756 if (som_dict != NULL)
5761 if (hash_table != NULL)
5763 if (som_dict != NULL)
5768 /* Read in the LST from the archive. */
5771 som_slurp_armap (abfd)
5774 struct lst_header lst_header;
5775 struct ar_hdr ar_header;
5776 unsigned int parsed_size;
5777 struct artdata *ardata = bfd_ardata (abfd);
5779 bfd_size_type amt = 16;
5780 int i = bfd_bread ((PTR) nextname, amt, abfd);
5782 /* Special cases. */
5788 if (bfd_seek (abfd, (file_ptr) -16, SEEK_CUR) != 0)
5791 /* For archives without .o files there is no symbol table. */
5792 if (strncmp (nextname, "/ ", 16))
5794 bfd_has_map (abfd) = FALSE;
5798 /* Read in and sanity check the archive header. */
5799 amt = sizeof (struct ar_hdr);
5800 if (bfd_bread ((PTR) &ar_header, amt, abfd) != amt)
5803 if (strncmp (ar_header.ar_fmag, ARFMAG, 2))
5805 bfd_set_error (bfd_error_malformed_archive);
5809 /* How big is the archive symbol table entry? */
5811 parsed_size = strtol (ar_header.ar_size, NULL, 10);
5814 bfd_set_error (bfd_error_malformed_archive);
5818 /* Save off the file offset of the first real user data. */
5819 ardata->first_file_filepos = bfd_tell (abfd) + parsed_size;
5821 /* Read in the library symbol table. We'll make heavy use of this
5822 in just a minute. */
5823 amt = sizeof (struct lst_header);
5824 if (bfd_bread ((PTR) &lst_header, amt, abfd) != amt)
5828 if (lst_header.a_magic != LIBMAGIC)
5830 bfd_set_error (bfd_error_malformed_archive);
5834 /* Count the number of symbols in the library symbol table. */
5835 if (! som_bfd_count_ar_symbols (abfd, &lst_header, &ardata->symdef_count))
5838 /* Get back to the start of the library symbol table. */
5839 if (bfd_seek (abfd, (ardata->first_file_filepos - parsed_size
5840 + sizeof (struct lst_header)), SEEK_SET) != 0)
5843 /* Initialize the cache and allocate space for the library symbols. */
5845 amt = ardata->symdef_count;
5846 amt *= sizeof (carsym);
5847 ardata->symdefs = (carsym *) bfd_alloc (abfd, amt);
5848 if (!ardata->symdefs)
5851 /* Now fill in the canonical archive symbols. */
5852 if (! som_bfd_fill_in_ar_symbols (abfd, &lst_header, &ardata->symdefs))
5855 /* Seek back to the "first" file in the archive. Note the "first"
5856 file may be the extended name table. */
5857 if (bfd_seek (abfd, ardata->first_file_filepos, SEEK_SET) != 0)
5860 /* Notify the generic archive code that we have a symbol map. */
5861 bfd_has_map (abfd) = TRUE;
5865 /* Begin preparing to write a SOM library symbol table.
5867 As part of the prep work we need to determine the number of symbols
5868 and the size of the associated string section. */
5871 som_bfd_prep_for_ar_write (abfd, num_syms, stringsize)
5873 unsigned int *num_syms, *stringsize;
5875 bfd *curr_bfd = abfd->archive_head;
5877 /* Some initialization. */
5881 /* Iterate over each BFD within this archive. */
5882 while (curr_bfd != NULL)
5884 unsigned int curr_count, i;
5885 som_symbol_type *sym;
5887 /* Don't bother for non-SOM objects. */
5888 if (curr_bfd->format != bfd_object
5889 || curr_bfd->xvec->flavour != bfd_target_som_flavour)
5891 curr_bfd = curr_bfd->next;
5895 /* Make sure the symbol table has been read, then snag a pointer
5896 to it. It's a little slimey to grab the symbols via obj_som_symtab,
5897 but doing so avoids allocating lots of extra memory. */
5898 if (! som_slurp_symbol_table (curr_bfd))
5901 sym = obj_som_symtab (curr_bfd);
5902 curr_count = bfd_get_symcount (curr_bfd);
5904 /* Examine each symbol to determine if it belongs in the
5905 library symbol table. */
5906 for (i = 0; i < curr_count; i++, sym++)
5908 struct som_misc_symbol_info info;
5910 /* Derive SOM information from the BFD symbol. */
5911 som_bfd_derive_misc_symbol_info (curr_bfd, &sym->symbol, &info);
5913 /* Should we include this symbol? */
5914 if (info.symbol_type == ST_NULL
5915 || info.symbol_type == ST_SYM_EXT
5916 || info.symbol_type == ST_ARG_EXT)
5919 /* Only global symbols and unsatisfied commons. */
5920 if (info.symbol_scope != SS_UNIVERSAL
5921 && info.symbol_type != ST_STORAGE)
5924 /* Do no include undefined symbols. */
5925 if (bfd_is_und_section (sym->symbol.section))
5928 /* Bump the various counters, being careful to honor
5929 alignment considerations in the string table. */
5931 *stringsize = *stringsize + strlen (sym->symbol.name) + 5;
5932 while (*stringsize % 4)
5936 curr_bfd = curr_bfd->next;
5941 /* Hash a symbol name based on the hashing algorithm presented in the
5945 som_bfd_ar_symbol_hash (symbol)
5948 unsigned int len = strlen (symbol->name);
5950 /* Names with length 1 are special. */
5952 return 0x1000100 | (symbol->name[0] << 16) | symbol->name[0];
5954 return ((len & 0x7f) << 24) | (symbol->name[1] << 16)
5955 | (symbol->name[len - 2] << 8) | symbol->name[len - 1];
5958 /* Do the bulk of the work required to write the SOM library
5962 som_bfd_ar_write_symbol_stuff (abfd, nsyms, string_size, lst, elength)
5964 unsigned int nsyms, string_size;
5965 struct lst_header lst;
5968 file_ptr lst_filepos;
5969 char *strings = NULL, *p;
5970 struct lst_symbol_record *lst_syms = NULL, *curr_lst_sym;
5972 unsigned int *hash_table = NULL;
5973 struct som_entry *som_dict = NULL;
5974 struct lst_symbol_record **last_hash_entry = NULL;
5975 unsigned int curr_som_offset, som_index = 0;
5978 amt = lst.hash_size;
5979 amt *= sizeof (unsigned int);
5980 hash_table = (unsigned int *) bfd_zmalloc (amt);
5981 if (hash_table == NULL && lst.hash_size != 0)
5984 amt = lst.module_count;
5985 amt *= sizeof (struct som_entry);
5986 som_dict = (struct som_entry *) bfd_zmalloc (amt);
5987 if (som_dict == NULL && lst.module_count != 0)
5990 amt = lst.hash_size;
5991 amt *= sizeof (struct lst_symbol_record *);
5992 last_hash_entry = ((struct lst_symbol_record **) bfd_zmalloc (amt));
5993 if (last_hash_entry == NULL && lst.hash_size != 0)
5996 /* Lots of fields are file positions relative to the start
5997 of the lst record. So save its location. */
5998 lst_filepos = bfd_tell (abfd) - sizeof (struct lst_header);
6000 /* Symbols have som_index fields, so we have to keep track of the
6001 index of each SOM in the archive.
6003 The SOM dictionary has (among other things) the absolute file
6004 position for the SOM which a particular dictionary entry
6005 describes. We have to compute that information as we iterate
6006 through the SOMs/symbols. */
6009 /* We add in the size of the archive header twice as the location
6010 in the SOM dictionary is the actual offset of the SOM, not the
6011 archive header before the SOM. */
6012 curr_som_offset = 8 + 2 * sizeof (struct ar_hdr) + lst.file_end;
6014 /* Make room for the archive header and the contents of the
6015 extended string table. Note that elength includes the size
6016 of the archive header for the extended name table! */
6018 curr_som_offset += elength;
6020 /* Make sure we're properly aligned. */
6021 curr_som_offset = (curr_som_offset + 0x1) & ~0x1;
6023 /* FIXME should be done with buffers just like everything else... */
6025 amt *= sizeof (struct lst_symbol_record);
6026 lst_syms = bfd_malloc (amt);
6027 if (lst_syms == NULL && nsyms != 0)
6029 strings = bfd_malloc ((bfd_size_type) string_size);
6030 if (strings == NULL && string_size != 0)
6034 curr_lst_sym = lst_syms;
6036 curr_bfd = abfd->archive_head;
6037 while (curr_bfd != NULL)
6039 unsigned int curr_count, i;
6040 som_symbol_type *sym;
6042 /* Don't bother for non-SOM objects. */
6043 if (curr_bfd->format != bfd_object
6044 || curr_bfd->xvec->flavour != bfd_target_som_flavour)
6046 curr_bfd = curr_bfd->next;
6050 /* Make sure the symbol table has been read, then snag a pointer
6051 to it. It's a little slimey to grab the symbols via obj_som_symtab,
6052 but doing so avoids allocating lots of extra memory. */
6053 if (! som_slurp_symbol_table (curr_bfd))
6056 sym = obj_som_symtab (curr_bfd);
6057 curr_count = bfd_get_symcount (curr_bfd);
6059 for (i = 0; i < curr_count; i++, sym++)
6061 struct som_misc_symbol_info info;
6063 /* Derive SOM information from the BFD symbol. */
6064 som_bfd_derive_misc_symbol_info (curr_bfd, &sym->symbol, &info);
6066 /* Should we include this symbol? */
6067 if (info.symbol_type == ST_NULL
6068 || info.symbol_type == ST_SYM_EXT
6069 || info.symbol_type == ST_ARG_EXT)
6072 /* Only global symbols and unsatisfied commons. */
6073 if (info.symbol_scope != SS_UNIVERSAL
6074 && info.symbol_type != ST_STORAGE)
6077 /* Do no include undefined symbols. */
6078 if (bfd_is_und_section (sym->symbol.section))
6081 /* If this is the first symbol from this SOM, then update
6082 the SOM dictionary too. */
6083 if (som_dict[som_index].location == 0)
6085 som_dict[som_index].location = curr_som_offset;
6086 som_dict[som_index].length = arelt_size (curr_bfd);
6089 /* Fill in the lst symbol record. */
6090 curr_lst_sym->hidden = 0;
6091 curr_lst_sym->secondary_def = info.secondary_def;
6092 curr_lst_sym->symbol_type = info.symbol_type;
6093 curr_lst_sym->symbol_scope = info.symbol_scope;
6094 curr_lst_sym->check_level = 0;
6095 curr_lst_sym->must_qualify = 0;
6096 curr_lst_sym->initially_frozen = 0;
6097 curr_lst_sym->memory_resident = 0;
6098 curr_lst_sym->is_common = bfd_is_com_section (sym->symbol.section);
6099 curr_lst_sym->dup_common = info.dup_common;
6100 curr_lst_sym->xleast = 3;
6101 curr_lst_sym->arg_reloc = info.arg_reloc;
6102 curr_lst_sym->name.n_strx = p - strings + 4;
6103 curr_lst_sym->qualifier_name.n_strx = 0;
6104 curr_lst_sym->symbol_info = info.symbol_info;
6105 curr_lst_sym->symbol_value = info.symbol_value | info.priv_level;
6106 curr_lst_sym->symbol_descriptor = 0;
6107 curr_lst_sym->reserved = 0;
6108 curr_lst_sym->som_index = som_index;
6109 curr_lst_sym->symbol_key = som_bfd_ar_symbol_hash (&sym->symbol);
6110 curr_lst_sym->next_entry = 0;
6112 /* Insert into the hash table. */
6113 if (hash_table[curr_lst_sym->symbol_key % lst.hash_size])
6115 struct lst_symbol_record *tmp;
6117 /* There is already something at the head of this hash chain,
6118 so tack this symbol onto the end of the chain. */
6119 tmp = last_hash_entry[curr_lst_sym->symbol_key % lst.hash_size];
6121 = (curr_lst_sym - lst_syms) * sizeof (struct lst_symbol_record)
6123 + lst.module_count * sizeof (struct som_entry)
6124 + sizeof (struct lst_header);
6128 /* First entry in this hash chain. */
6129 hash_table[curr_lst_sym->symbol_key % lst.hash_size]
6130 = (curr_lst_sym - lst_syms) * sizeof (struct lst_symbol_record)
6132 + lst.module_count * sizeof (struct som_entry)
6133 + sizeof (struct lst_header);
6136 /* Keep track of the last symbol we added to this chain so we can
6137 easily update its next_entry pointer. */
6138 last_hash_entry[curr_lst_sym->symbol_key % lst.hash_size]
6141 /* Update the string table. */
6142 bfd_put_32 (abfd, strlen (sym->symbol.name), p);
6144 strcpy (p, sym->symbol.name);
6145 p += strlen (sym->symbol.name) + 1;
6148 bfd_put_8 (abfd, 0, p);
6152 /* Head to the next symbol. */
6156 /* Keep track of where each SOM will finally reside; then look
6158 curr_som_offset += arelt_size (curr_bfd) + sizeof (struct ar_hdr);
6160 /* A particular object in the archive may have an odd length; the
6161 linker requires objects begin on an even boundary. So round
6162 up the current offset as necessary. */
6163 curr_som_offset = (curr_som_offset + 0x1) &~ (unsigned) 1;
6164 curr_bfd = curr_bfd->next;
6168 /* Now scribble out the hash table. */
6169 amt = lst.hash_size * 4;
6170 if (bfd_bwrite ((PTR) hash_table, amt, abfd) != amt)
6173 /* Then the SOM dictionary. */
6174 amt = lst.module_count * sizeof (struct som_entry);
6175 if (bfd_bwrite ((PTR) som_dict, amt, abfd) != amt)
6178 /* The library symbols. */
6179 amt = nsyms * sizeof (struct lst_symbol_record);
6180 if (bfd_bwrite ((PTR) lst_syms, amt, abfd) != amt)
6183 /* And finally the strings. */
6185 if (bfd_bwrite ((PTR) strings, amt, abfd) != amt)
6188 if (hash_table != NULL)
6190 if (som_dict != NULL)
6192 if (last_hash_entry != NULL)
6193 free (last_hash_entry);
6194 if (lst_syms != NULL)
6196 if (strings != NULL)
6201 if (hash_table != NULL)
6203 if (som_dict != NULL)
6205 if (last_hash_entry != NULL)
6206 free (last_hash_entry);
6207 if (lst_syms != NULL)
6209 if (strings != NULL)
6215 /* Write out the LST for the archive.
6217 You'll never believe this is really how armaps are handled in SOM... */
6220 som_write_armap (abfd, elength, map, orl_count, stridx)
6222 unsigned int elength;
6223 struct orl *map ATTRIBUTE_UNUSED;
6224 unsigned int orl_count ATTRIBUTE_UNUSED;
6225 int stridx ATTRIBUTE_UNUSED;
6228 struct stat statbuf;
6229 unsigned int i, lst_size, nsyms, stringsize;
6231 struct lst_header lst;
6235 /* We'll use this for the archive's date and mode later. */
6236 if (stat (abfd->filename, &statbuf) != 0)
6238 bfd_set_error (bfd_error_system_call);
6242 bfd_ardata (abfd)->armap_timestamp = statbuf.st_mtime + 60;
6244 /* Account for the lst header first. */
6245 lst_size = sizeof (struct lst_header);
6247 /* Start building the LST header. */
6248 /* FIXME: Do we need to examine each element to determine the
6249 largest id number? */
6250 lst.system_id = CPU_PA_RISC1_0;
6251 lst.a_magic = LIBMAGIC;
6252 lst.version_id = VERSION_ID;
6253 lst.file_time.secs = 0;
6254 lst.file_time.nanosecs = 0;
6256 lst.hash_loc = lst_size;
6257 lst.hash_size = SOM_LST_HASH_SIZE;
6259 /* Hash table is a SOM_LST_HASH_SIZE 32bit offsets. */
6260 lst_size += 4 * SOM_LST_HASH_SIZE;
6262 /* We need to count the number of SOMs in this archive. */
6263 curr_bfd = abfd->archive_head;
6264 lst.module_count = 0;
6265 while (curr_bfd != NULL)
6267 /* Only true SOM objects count. */
6268 if (curr_bfd->format == bfd_object
6269 && curr_bfd->xvec->flavour == bfd_target_som_flavour)
6271 curr_bfd = curr_bfd->next;
6273 lst.module_limit = lst.module_count;
6274 lst.dir_loc = lst_size;
6275 lst_size += sizeof (struct som_entry) * lst.module_count;
6277 /* We don't support import/export tables, auxiliary headers,
6278 or free lists yet. Make the linker work a little harder
6279 to make our life easier. */
6282 lst.export_count = 0;
6287 /* Count how many symbols we will have on the hash chains and the
6288 size of the associated string table. */
6289 if (! som_bfd_prep_for_ar_write (abfd, &nsyms, &stringsize))
6292 lst_size += sizeof (struct lst_symbol_record) * nsyms;
6294 /* For the string table. One day we might actually use this info
6295 to avoid small seeks/reads when reading archives. */
6296 lst.string_loc = lst_size;
6297 lst.string_size = stringsize;
6298 lst_size += stringsize;
6300 /* SOM ABI says this must be zero. */
6302 lst.file_end = lst_size;
6304 /* Compute the checksum. Must happen after the entire lst header
6308 for (i = 0; i < sizeof (struct lst_header) / sizeof (int) - 1; i++)
6309 lst.checksum ^= *p++;
6311 sprintf (hdr.ar_name, "/ ");
6312 sprintf (hdr.ar_date, "%ld", bfd_ardata (abfd)->armap_timestamp);
6313 sprintf (hdr.ar_uid, "%ld", (long) getuid ());
6314 sprintf (hdr.ar_gid, "%ld", (long) getgid ());
6315 sprintf (hdr.ar_mode, "%-8o", (unsigned int) statbuf.st_mode);
6316 sprintf (hdr.ar_size, "%-10d", (int) lst_size);
6317 hdr.ar_fmag[0] = '`';
6318 hdr.ar_fmag[1] = '\012';
6320 /* Turn any nulls into spaces. */
6321 for (i = 0; i < sizeof (struct ar_hdr); i++)
6322 if (((char *) (&hdr))[i] == '\0')
6323 (((char *) (&hdr))[i]) = ' ';
6325 /* Scribble out the ar header. */
6326 amt = sizeof (struct ar_hdr);
6327 if (bfd_bwrite ((PTR) &hdr, amt, abfd) != amt)
6330 /* Now scribble out the lst header. */
6331 amt = sizeof (struct lst_header);
6332 if (bfd_bwrite ((PTR) &lst, amt, abfd) != amt)
6335 /* Build and write the armap. */
6336 if (!som_bfd_ar_write_symbol_stuff (abfd, nsyms, stringsize, lst, elength))
6343 /* Free all information we have cached for this BFD. We can always
6344 read it again later if we need it. */
6347 som_bfd_free_cached_info (abfd)
6352 if (bfd_get_format (abfd) != bfd_object)
6355 #define FREE(x) if (x != NULL) { free (x); x = NULL; }
6356 /* Free the native string and symbol tables. */
6357 FREE (obj_som_symtab (abfd));
6358 FREE (obj_som_stringtab (abfd));
6359 for (o = abfd->sections; o != (asection *) NULL; o = o->next)
6361 /* Free the native relocations. */
6362 o->reloc_count = (unsigned) -1;
6363 FREE (som_section_data (o)->reloc_stream);
6364 /* Free the generic relocations. */
6365 FREE (o->relocation);
6372 /* End of miscellaneous support functions. */
6374 /* Linker support functions. */
6377 som_bfd_link_split_section (abfd, sec)
6378 bfd *abfd ATTRIBUTE_UNUSED;
6381 return (som_is_subspace (sec) && sec->_raw_size > 240000);
6384 #define som_close_and_cleanup som_bfd_free_cached_info
6386 #define som_read_ar_hdr _bfd_generic_read_ar_hdr
6387 #define som_openr_next_archived_file bfd_generic_openr_next_archived_file
6388 #define som_get_elt_at_index _bfd_generic_get_elt_at_index
6389 #define som_generic_stat_arch_elt bfd_generic_stat_arch_elt
6390 #define som_truncate_arname bfd_bsd_truncate_arname
6391 #define som_slurp_extended_name_table _bfd_slurp_extended_name_table
6392 #define som_construct_extended_name_table \
6393 _bfd_archive_coff_construct_extended_name_table
6394 #define som_update_armap_timestamp bfd_true
6395 #define som_bfd_print_private_bfd_data _bfd_generic_bfd_print_private_bfd_data
6397 #define som_get_lineno _bfd_nosymbols_get_lineno
6398 #define som_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol
6399 #define som_read_minisymbols _bfd_generic_read_minisymbols
6400 #define som_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol
6401 #define som_get_section_contents_in_window \
6402 _bfd_generic_get_section_contents_in_window
6404 #define som_bfd_get_relocated_section_contents \
6405 bfd_generic_get_relocated_section_contents
6406 #define som_bfd_relax_section bfd_generic_relax_section
6407 #define som_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
6408 #define som_bfd_link_hash_table_free _bfd_generic_link_hash_table_free
6409 #define som_bfd_link_add_symbols _bfd_generic_link_add_symbols
6410 #define som_bfd_link_just_syms _bfd_generic_link_just_syms
6411 #define som_bfd_final_link _bfd_generic_final_link
6413 #define som_bfd_gc_sections bfd_generic_gc_sections
6414 #define som_bfd_merge_sections bfd_generic_merge_sections
6415 #define som_bfd_is_group_section bfd_generic_is_group_section
6416 #define som_bfd_discard_group bfd_generic_discard_group
6418 const bfd_target som_vec = {
6420 bfd_target_som_flavour,
6421 BFD_ENDIAN_BIG, /* target byte order */
6422 BFD_ENDIAN_BIG, /* target headers byte order */
6423 (HAS_RELOC | EXEC_P | /* object flags */
6424 HAS_LINENO | HAS_DEBUG |
6425 HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED | DYNAMIC),
6426 (SEC_CODE | SEC_DATA | SEC_ROM | SEC_HAS_CONTENTS | SEC_LINK_ONCE
6427 | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
6429 /* leading_symbol_char: is the first char of a user symbol
6430 predictable, and if so what is it. */
6432 '/', /* ar_pad_char */
6433 14, /* ar_max_namelen */
6434 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
6435 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
6436 bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* data */
6437 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
6438 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
6439 bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */
6441 som_object_p, /* bfd_check_format */
6442 bfd_generic_archive_p,
6448 _bfd_generic_mkarchive,
6453 som_write_object_contents,
6454 _bfd_write_archive_contents,
6459 BFD_JUMP_TABLE_GENERIC (som),
6460 BFD_JUMP_TABLE_COPY (som),
6461 BFD_JUMP_TABLE_CORE (_bfd_nocore),
6462 BFD_JUMP_TABLE_ARCHIVE (som),
6463 BFD_JUMP_TABLE_SYMBOLS (som),
6464 BFD_JUMP_TABLE_RELOCS (som),
6465 BFD_JUMP_TABLE_WRITE (som),
6466 BFD_JUMP_TABLE_LINK (som),
6467 BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
6474 #endif /* HOST_HPPAHPUX || HOST_HPPABSD || HOST_HPPAOSF */