* configure.in: Call AM_PROG_LEX rather than AC_PROG_LEX and
[deliverable/binutils-gdb.git] / bfd / bout.c
1 /* BFD back-end for Intel 960 b.out binaries.
2 Copyright 1990, 91, 92, 93, 94, 95, 1996 Free Software Foundation, Inc.
3 Written by Cygnus Support.
4
5 This file is part of BFD, the Binary File Descriptor library.
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
20
21
22 #include "bfd.h"
23 #include "sysdep.h"
24 #include "libbfd.h"
25 #include "bfdlink.h"
26 #include "genlink.h"
27 #include "bout.h"
28
29 #include "aout/stab_gnu.h"
30 #include "libaout.h" /* BFD a.out internal data structures */
31
32
33 static int aligncode PARAMS ((bfd *abfd, asection *input_section,
34 arelent *r, unsigned int shrink));
35 static void perform_slip PARAMS ((bfd *abfd, unsigned int slip,
36 asection *input_section, bfd_vma value));
37 static boolean b_out_squirt_out_relocs PARAMS ((bfd *abfd, asection *section));
38 static const bfd_target *b_out_callback PARAMS ((bfd *));
39 static bfd_reloc_status_type calljx_callback
40 PARAMS ((bfd *, struct bfd_link_info *, arelent *, PTR src, PTR dst,
41 asection *));
42 static bfd_reloc_status_type callj_callback
43 PARAMS ((bfd *, struct bfd_link_info *, arelent *, PTR data,
44 unsigned int srcidx, unsigned int dstidx, asection *, boolean));
45 static bfd_vma get_value PARAMS ((arelent *, struct bfd_link_info *,
46 asection *));
47 static int abs32code PARAMS ((bfd *, asection *, arelent *,
48 unsigned int, struct bfd_link_info *));
49 static boolean b_out_bfd_relax_section PARAMS ((bfd *, asection *,
50 struct bfd_link_info *,
51 boolean *));
52 static bfd_byte *b_out_bfd_get_relocated_section_contents
53 PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_order *,
54 bfd_byte *, boolean, asymbol **));
55
56 /* Swaps the information in an executable header taken from a raw byte
57 stream memory image, into the internal exec_header structure. */
58
59 void
60 bout_swap_exec_header_in (abfd, raw_bytes, execp)
61 bfd *abfd;
62 struct external_exec *raw_bytes;
63 struct internal_exec *execp;
64 {
65 struct external_exec *bytes = (struct external_exec *)raw_bytes;
66
67 /* Now fill in fields in the execp, from the bytes in the raw data. */
68 execp->a_info = bfd_h_get_32 (abfd, bytes->e_info);
69 execp->a_text = GET_WORD (abfd, bytes->e_text);
70 execp->a_data = GET_WORD (abfd, bytes->e_data);
71 execp->a_bss = GET_WORD (abfd, bytes->e_bss);
72 execp->a_syms = GET_WORD (abfd, bytes->e_syms);
73 execp->a_entry = GET_WORD (abfd, bytes->e_entry);
74 execp->a_trsize = GET_WORD (abfd, bytes->e_trsize);
75 execp->a_drsize = GET_WORD (abfd, bytes->e_drsize);
76 execp->a_tload = GET_WORD (abfd, bytes->e_tload);
77 execp->a_dload = GET_WORD (abfd, bytes->e_dload);
78 execp->a_talign = bytes->e_talign[0];
79 execp->a_dalign = bytes->e_dalign[0];
80 execp->a_balign = bytes->e_balign[0];
81 execp->a_relaxable = bytes->e_relaxable[0];
82 }
83
84 /* Swaps the information in an internal exec header structure into the
85 supplied buffer ready for writing to disk. */
86
87 PROTO(void, bout_swap_exec_header_out,
88 (bfd *abfd,
89 struct internal_exec *execp,
90 struct external_exec *raw_bytes));
91 void
92 bout_swap_exec_header_out (abfd, execp, raw_bytes)
93 bfd *abfd;
94 struct internal_exec *execp;
95 struct external_exec *raw_bytes;
96 {
97 struct external_exec *bytes = (struct external_exec *)raw_bytes;
98
99 /* Now fill in fields in the raw data, from the fields in the exec struct. */
100 bfd_h_put_32 (abfd, execp->a_info , bytes->e_info);
101 PUT_WORD (abfd, execp->a_text , bytes->e_text);
102 PUT_WORD (abfd, execp->a_data , bytes->e_data);
103 PUT_WORD (abfd, execp->a_bss , bytes->e_bss);
104 PUT_WORD (abfd, execp->a_syms , bytes->e_syms);
105 PUT_WORD (abfd, execp->a_entry , bytes->e_entry);
106 PUT_WORD (abfd, execp->a_trsize, bytes->e_trsize);
107 PUT_WORD (abfd, execp->a_drsize, bytes->e_drsize);
108 PUT_WORD (abfd, execp->a_tload , bytes->e_tload);
109 PUT_WORD (abfd, execp->a_dload , bytes->e_dload);
110 bytes->e_talign[0] = execp->a_talign;
111 bytes->e_dalign[0] = execp->a_dalign;
112 bytes->e_balign[0] = execp->a_balign;
113 bytes->e_relaxable[0] = execp->a_relaxable;
114 }
115
116
117 static const bfd_target *
118 b_out_object_p (abfd)
119 bfd *abfd;
120 {
121 struct internal_exec anexec;
122 struct external_exec exec_bytes;
123
124 if (bfd_read ((PTR) &exec_bytes, 1, EXEC_BYTES_SIZE, abfd)
125 != EXEC_BYTES_SIZE) {
126 if (bfd_get_error () != bfd_error_system_call)
127 bfd_set_error (bfd_error_wrong_format);
128 return 0;
129 }
130
131 anexec.a_info = bfd_h_get_32 (abfd, exec_bytes.e_info);
132
133 if (N_BADMAG (anexec)) {
134 bfd_set_error (bfd_error_wrong_format);
135 return 0;
136 }
137
138 bout_swap_exec_header_in (abfd, &exec_bytes, &anexec);
139 return aout_32_some_aout_object_p (abfd, &anexec, b_out_callback);
140 }
141
142
143 /* Finish up the opening of a b.out file for reading. Fill in all the
144 fields that are not handled by common code. */
145
146 static const bfd_target *
147 b_out_callback (abfd)
148 bfd *abfd;
149 {
150 struct internal_exec *execp = exec_hdr (abfd);
151 unsigned long bss_start;
152
153 /* Architecture and machine type */
154 bfd_set_arch_mach(abfd,
155 bfd_arch_i960, /* B.out only used on i960 */
156 bfd_mach_i960_core /* Default */
157 );
158
159 /* The positions of the string table and symbol table. */
160 obj_str_filepos (abfd) = N_STROFF (*execp);
161 obj_sym_filepos (abfd) = N_SYMOFF (*execp);
162
163 /* The alignments of the sections */
164 obj_textsec (abfd)->alignment_power = execp->a_talign;
165 obj_datasec (abfd)->alignment_power = execp->a_dalign;
166 obj_bsssec (abfd)->alignment_power = execp->a_balign;
167
168 /* The starting addresses of the sections. */
169 obj_textsec (abfd)->vma = execp->a_tload;
170 obj_datasec (abfd)->vma = execp->a_dload;
171
172 /* And reload the sizes, since the aout module zaps them */
173 obj_textsec (abfd)->_raw_size = execp->a_text;
174
175 bss_start = execp->a_dload + execp->a_data; /* BSS = end of data section */
176 obj_bsssec (abfd)->vma = align_power (bss_start, execp->a_balign);
177
178 /* The file positions of the sections */
179 obj_textsec (abfd)->filepos = N_TXTOFF(*execp);
180 obj_datasec (abfd)->filepos = N_DATOFF(*execp);
181
182 /* The file positions of the relocation info */
183 obj_textsec (abfd)->rel_filepos = N_TROFF(*execp);
184 obj_datasec (abfd)->rel_filepos = N_DROFF(*execp);
185
186 adata(abfd).page_size = 1; /* Not applicable. */
187 adata(abfd).segment_size = 1; /* Not applicable. */
188 adata(abfd).exec_bytes_size = EXEC_BYTES_SIZE;
189
190 if (execp->a_relaxable)
191 abfd->flags |= BFD_IS_RELAXABLE;
192 return abfd->xvec;
193 }
194
195 struct bout_data_struct {
196 struct aoutdata a;
197 struct internal_exec e;
198 };
199
200 static boolean
201 b_out_mkobject (abfd)
202 bfd *abfd;
203 {
204 struct bout_data_struct *rawptr;
205
206 rawptr = (struct bout_data_struct *) bfd_zalloc (abfd, sizeof (struct bout_data_struct));
207 if (rawptr == NULL)
208 return false;
209
210 abfd->tdata.bout_data = rawptr;
211 exec_hdr (abfd) = &rawptr->e;
212
213 obj_textsec (abfd) = (asection *)NULL;
214 obj_datasec (abfd) = (asection *)NULL;
215 obj_bsssec (abfd) = (asection *)NULL;
216
217 return true;
218 }
219
220 static boolean
221 b_out_write_object_contents (abfd)
222 bfd *abfd;
223 {
224 struct external_exec swapped_hdr;
225
226 if (! aout_32_make_sections (abfd))
227 return false;
228
229 exec_hdr (abfd)->a_info = BMAGIC;
230
231 exec_hdr (abfd)->a_text = obj_textsec (abfd)->_raw_size;
232 exec_hdr (abfd)->a_data = obj_datasec (abfd)->_raw_size;
233 exec_hdr (abfd)->a_bss = obj_bsssec (abfd)->_raw_size;
234 exec_hdr (abfd)->a_syms = bfd_get_symcount (abfd) * sizeof (struct nlist);
235 exec_hdr (abfd)->a_entry = bfd_get_start_address (abfd);
236 exec_hdr (abfd)->a_trsize = ((obj_textsec (abfd)->reloc_count) *
237 sizeof (struct relocation_info));
238 exec_hdr (abfd)->a_drsize = ((obj_datasec (abfd)->reloc_count) *
239 sizeof (struct relocation_info));
240
241 exec_hdr (abfd)->a_talign = obj_textsec (abfd)->alignment_power;
242 exec_hdr (abfd)->a_dalign = obj_datasec (abfd)->alignment_power;
243 exec_hdr (abfd)->a_balign = obj_bsssec (abfd)->alignment_power;
244
245 exec_hdr (abfd)->a_tload = obj_textsec (abfd)->vma;
246 exec_hdr (abfd)->a_dload = obj_datasec (abfd)->vma;
247
248 bout_swap_exec_header_out (abfd, exec_hdr (abfd), &swapped_hdr);
249
250 if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0
251 || (bfd_write ((PTR) &swapped_hdr, 1, EXEC_BYTES_SIZE, abfd)
252 != EXEC_BYTES_SIZE))
253 return false;
254
255 /* Now write out reloc info, followed by syms and strings */
256 if (bfd_get_symcount (abfd) != 0)
257 {
258 if (bfd_seek (abfd, (file_ptr)(N_SYMOFF(*exec_hdr(abfd))), SEEK_SET)
259 != 0)
260 return false;
261
262 if (! aout_32_write_syms (abfd))
263 return false;
264
265 if (bfd_seek (abfd, (file_ptr)(N_TROFF(*exec_hdr(abfd))), SEEK_SET) != 0)
266 return false;
267
268 if (!b_out_squirt_out_relocs (abfd, obj_textsec (abfd))) return false;
269 if (bfd_seek (abfd, (file_ptr)(N_DROFF(*exec_hdr(abfd))), SEEK_SET)
270 != 0)
271 return false;
272
273 if (!b_out_squirt_out_relocs (abfd, obj_datasec (abfd))) return false;
274 }
275 return true;
276 }
277 \f
278 /** Some reloc hackery */
279
280 #define CALLS 0x66003800 /* Template for 'calls' instruction */
281 #define BAL 0x0b000000 /* Template for 'bal' instruction */
282 #define BALX 0x85000000 /* Template for 'balx' instruction */
283 #define BAL_MASK 0x00ffffff
284 #define CALL 0x09000000
285 #define PCREL13_MASK 0x1fff
286
287
288 #define output_addr(sec) ((sec)->output_offset+(sec)->output_section->vma)
289
290 /* Magic to turn callx into calljx */
291 static bfd_reloc_status_type
292 calljx_callback (abfd, link_info, reloc_entry, src, dst, input_section)
293 bfd *abfd;
294 struct bfd_link_info *link_info;
295 arelent *reloc_entry;
296 PTR src;
297 PTR dst;
298 asection *input_section;
299 {
300 int word = bfd_get_32 (abfd, src);
301 asymbol *symbol_in = *(reloc_entry->sym_ptr_ptr);
302 aout_symbol_type *symbol = aout_symbol (symbol_in);
303 bfd_vma value;
304
305 value = get_value (reloc_entry, link_info, input_section);
306
307 if (IS_CALLNAME (symbol->other))
308 {
309 aout_symbol_type *balsym = symbol+1;
310 int inst = bfd_get_32 (abfd, (bfd_byte *) src-4);
311 /* The next symbol should be an N_BALNAME */
312 BFD_ASSERT (IS_BALNAME (balsym->other));
313 inst &= BAL_MASK;
314 inst |= BALX;
315 bfd_put_32 (abfd, inst, (bfd_byte *) dst-4);
316 symbol = balsym;
317 value = (symbol->symbol.value
318 + output_addr (symbol->symbol.section));
319 }
320
321 word += value + reloc_entry->addend;
322
323 bfd_put_32(abfd, word, dst);
324 return bfd_reloc_ok;
325 }
326
327
328 /* Magic to turn call into callj */
329 static bfd_reloc_status_type
330 callj_callback (abfd, link_info, reloc_entry, data, srcidx, dstidx,
331 input_section, shrinking)
332 bfd *abfd;
333 struct bfd_link_info *link_info;
334 arelent *reloc_entry;
335 PTR data;
336 unsigned int srcidx;
337 unsigned int dstidx;
338 asection *input_section;
339 boolean shrinking;
340 {
341 int word = bfd_get_32 (abfd, (bfd_byte *) data + srcidx);
342 asymbol *symbol_in = *(reloc_entry->sym_ptr_ptr);
343 aout_symbol_type *symbol = aout_symbol (symbol_in);
344 bfd_vma value;
345
346 value = get_value (reloc_entry, link_info, input_section);
347
348 if (IS_OTHER(symbol->other))
349 {
350 /* Call to a system procedure - replace code with system
351 procedure number. */
352 word = CALLS | (symbol->other - 1);
353 }
354 else if (IS_CALLNAME(symbol->other))
355 {
356 aout_symbol_type *balsym = symbol+1;
357
358 /* The next symbol should be an N_BALNAME. */
359 BFD_ASSERT(IS_BALNAME(balsym->other));
360
361 /* We are calling a leaf, so replace the call instruction with a
362 bal. */
363 word = BAL | ((word
364 + output_addr (balsym->symbol.section)
365 + balsym->symbol.value + reloc_entry->addend
366 - dstidx
367 - output_addr (input_section))
368 & BAL_MASK);
369 }
370 else if ((symbol->symbol.flags & BSF_SECTION_SYM) != 0)
371 {
372 /* A callj against a symbol in the same section is a fully
373 resolved relative call. We don't need to do anything here.
374 If the symbol is not in the same section, I'm not sure what
375 to do; fortunately, this case will probably never arise. */
376 BFD_ASSERT (! shrinking);
377 BFD_ASSERT (symbol->symbol.section == input_section);
378 }
379 else
380 {
381 word = CALL | (((word & BAL_MASK)
382 + value
383 + reloc_entry->addend
384 - (shrinking ? dstidx : 0)
385 - output_addr (input_section))
386 & BAL_MASK);
387 }
388 bfd_put_32(abfd, word, (bfd_byte *) data + dstidx);
389 return bfd_reloc_ok;
390 }
391
392 /* type rshift size bitsize pcrel bitpos absolute overflow check*/
393
394 #define ABS32CODE 0
395 #define ABS32CODE_SHRUNK 1
396 #define PCREL24 2
397 #define CALLJ 3
398 #define ABS32 4
399 #define PCREL13 5
400 #define ABS32_MAYBE_RELAXABLE 1
401 #define ABS32_WAS_RELAXABLE 2
402
403 #define ALIGNER 10
404 #define ALIGNDONE 11
405 static reloc_howto_type howto_reloc_callj =
406 HOWTO(CALLJ, 0, 2, 24, true, 0, complain_overflow_signed, 0,"callj", true, 0x00ffffff, 0x00ffffff,false);
407 static reloc_howto_type howto_reloc_abs32 =
408 HOWTO(ABS32, 0, 2, 32, false, 0, complain_overflow_bitfield,0,"abs32", true, 0xffffffff,0xffffffff,false);
409 static reloc_howto_type howto_reloc_pcrel24 =
410 HOWTO(PCREL24, 0, 2, 24, true, 0, complain_overflow_signed,0,"pcrel24", true, 0x00ffffff,0x00ffffff,false);
411
412 static reloc_howto_type howto_reloc_pcrel13 =
413 HOWTO(PCREL13, 0, 2, 13, true, 0, complain_overflow_signed,0,"pcrel13", true, 0x00001fff,0x00001fff,false);
414
415
416 static reloc_howto_type howto_reloc_abs32codeshrunk =
417 HOWTO(ABS32CODE_SHRUNK, 0, 2, 24, true, 0, complain_overflow_signed, 0,"callx->callj", true, 0x00ffffff, 0x00ffffff,false);
418
419 static reloc_howto_type howto_reloc_abs32code =
420 HOWTO(ABS32CODE, 0, 2, 32, false, 0, complain_overflow_bitfield,0,"callx", true, 0xffffffff,0xffffffff,false);
421
422 static reloc_howto_type howto_align_table[] = {
423 HOWTO (ALIGNER, 0, 0x1, 0, false, 0, complain_overflow_dont, 0, "align16", false, 0, 0, false),
424 HOWTO (ALIGNER, 0, 0x3, 0, false, 0, complain_overflow_dont, 0, "align32", false, 0, 0, false),
425 HOWTO (ALIGNER, 0, 0x7, 0, false, 0, complain_overflow_dont, 0, "align64", false, 0, 0, false),
426 HOWTO (ALIGNER, 0, 0xf, 0, false, 0, complain_overflow_dont, 0, "align128", false, 0, 0, false),
427 };
428
429 static reloc_howto_type howto_done_align_table[] = {
430 HOWTO (ALIGNDONE, 0x1, 0x1, 0, false, 0, complain_overflow_dont, 0, "donealign16", false, 0, 0, false),
431 HOWTO (ALIGNDONE, 0x3, 0x3, 0, false, 0, complain_overflow_dont, 0, "donealign32", false, 0, 0, false),
432 HOWTO (ALIGNDONE, 0x7, 0x7, 0, false, 0, complain_overflow_dont, 0, "donealign64", false, 0, 0, false),
433 HOWTO (ALIGNDONE, 0xf, 0xf, 0, false, 0, complain_overflow_dont, 0, "donealign128", false, 0, 0, false),
434 };
435
436 static reloc_howto_type *
437 b_out_bfd_reloc_type_lookup (abfd, code)
438 bfd *abfd;
439 bfd_reloc_code_real_type code;
440 {
441 switch (code)
442 {
443 default:
444 return 0;
445 case BFD_RELOC_I960_CALLJ:
446 return &howto_reloc_callj;
447 case BFD_RELOC_32:
448 case BFD_RELOC_CTOR:
449 return &howto_reloc_abs32;
450 case BFD_RELOC_24_PCREL:
451 return &howto_reloc_pcrel24;
452 }
453 }
454
455 /* Allocate enough room for all the reloc entries, plus pointers to them all */
456
457 static boolean
458 b_out_slurp_reloc_table (abfd, asect, symbols)
459 bfd *abfd;
460 sec_ptr asect;
461 asymbol **symbols;
462 {
463 register struct relocation_info *rptr;
464 unsigned int counter ;
465 arelent *cache_ptr ;
466 int extern_mask, pcrel_mask, callj_mask, length_shift;
467 int incode_mask;
468 int size_mask;
469 bfd_vma prev_addr = 0;
470 unsigned int count;
471 size_t reloc_size;
472 struct relocation_info *relocs;
473 arelent *reloc_cache;
474
475 if (asect->relocation)
476 return true;
477 if (!aout_32_slurp_symbol_table (abfd))
478 return false;
479
480 if (asect == obj_datasec (abfd)) {
481 reloc_size = exec_hdr(abfd)->a_drsize;
482 goto doit;
483 }
484
485 if (asect == obj_textsec (abfd)) {
486 reloc_size = exec_hdr(abfd)->a_trsize;
487 goto doit;
488 }
489
490 if (asect == obj_bsssec (abfd)) {
491 reloc_size = 0;
492 goto doit;
493 }
494
495 bfd_set_error (bfd_error_invalid_operation);
496 return false;
497
498 doit:
499 if (bfd_seek (abfd, (file_ptr)(asect->rel_filepos), SEEK_SET) != 0)
500 return false;
501 count = reloc_size / sizeof (struct relocation_info);
502
503 relocs = (struct relocation_info *) bfd_malloc (reloc_size);
504 if (!relocs && reloc_size != 0)
505 return false;
506 reloc_cache = (arelent *) bfd_malloc ((count+1) * sizeof (arelent));
507 if (!reloc_cache) {
508 if (relocs != NULL)
509 free ((char*)relocs);
510 return false;
511 }
512
513 if (bfd_read ((PTR) relocs, 1, reloc_size, abfd) != reloc_size) {
514 free (reloc_cache);
515 if (relocs != NULL)
516 free (relocs);
517 return false;
518 }
519
520
521
522 if (bfd_header_big_endian (abfd)) {
523 /* big-endian bit field allocation order */
524 pcrel_mask = 0x80;
525 extern_mask = 0x10;
526 incode_mask = 0x08;
527 callj_mask = 0x02;
528 size_mask = 0x20;
529 length_shift = 5;
530 } else {
531 /* little-endian bit field allocation order */
532 pcrel_mask = 0x01;
533 extern_mask = 0x08;
534 incode_mask = 0x10;
535 callj_mask = 0x40;
536 size_mask = 0x02;
537 length_shift = 1;
538 }
539
540 for (rptr = relocs, cache_ptr = reloc_cache, counter = 0;
541 counter < count;
542 counter++, rptr++, cache_ptr++)
543 {
544 unsigned char *raw = (unsigned char *)rptr;
545 unsigned int symnum;
546 cache_ptr->address = bfd_h_get_32 (abfd, raw + 0);
547 cache_ptr->howto = 0;
548 if (bfd_header_big_endian (abfd))
549 {
550 symnum = (raw[4] << 16) | (raw[5] << 8) | raw[6];
551 }
552 else
553 {
554 symnum = (raw[6] << 16) | (raw[5] << 8) | raw[4];
555 }
556
557 if (raw[7] & extern_mask)
558 {
559 /* if this is set then the r_index is a index into the symbol table;
560 * if the bit is not set then r_index contains a section map.
561 * we either fill in the sym entry with a pointer to the symbol,
562 * or point to the correct section
563 */
564 cache_ptr->sym_ptr_ptr = symbols + symnum;
565 cache_ptr->addend = 0;
566 } else
567 {
568 /* in a.out symbols are relative to the beginning of the
569 * file rather than sections ?
570 * (look in translate_from_native_sym_flags)
571 * the reloc entry addend has added to it the offset into the
572 * file of the data, so subtract the base to make the reloc
573 * section relative */
574 int s;
575 {
576 /* sign-extend symnum from 24 bits to whatever host uses */
577 s = symnum;
578 if (s & (1 << 23))
579 s |= (~0) << 24;
580 }
581 cache_ptr->sym_ptr_ptr = (asymbol **)NULL;
582 switch (s)
583 {
584 case N_TEXT:
585 case N_TEXT | N_EXT:
586 cache_ptr->sym_ptr_ptr = obj_textsec(abfd)->symbol_ptr_ptr;
587 cache_ptr->addend = - obj_textsec(abfd)->vma;
588 break;
589 case N_DATA:
590 case N_DATA | N_EXT:
591 cache_ptr->sym_ptr_ptr = obj_datasec(abfd)->symbol_ptr_ptr;
592 cache_ptr->addend = - obj_datasec(abfd)->vma;
593 break;
594 case N_BSS:
595 case N_BSS | N_EXT:
596 cache_ptr->sym_ptr_ptr = obj_bsssec(abfd)->symbol_ptr_ptr;
597 cache_ptr->addend = - obj_bsssec(abfd)->vma;
598 break;
599 case N_ABS:
600 case N_ABS | N_EXT:
601 cache_ptr->sym_ptr_ptr = obj_bsssec(abfd)->symbol_ptr_ptr;
602 cache_ptr->addend = 0;
603 break;
604 case -2: /* .align */
605 if (raw[7] & pcrel_mask)
606 {
607 cache_ptr->howto = &howto_align_table[(raw[7] >> length_shift) & 3];
608 cache_ptr->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr;
609 }
610 else
611 {
612 /* .org? */
613 abort ();
614 }
615 cache_ptr->addend = 0;
616 break;
617 default:
618 BFD_ASSERT(0);
619 break;
620 }
621
622 }
623
624 /* the i960 only has a few relocation types:
625 abs 32-bit and pcrel 24bit. except for callj's! */
626 if (cache_ptr->howto != 0)
627 ;
628 else if (raw[7] & callj_mask)
629 {
630 cache_ptr->howto = &howto_reloc_callj;
631 }
632 else if ( raw[7] & pcrel_mask)
633 {
634 if (raw[7] & size_mask)
635 cache_ptr->howto = &howto_reloc_pcrel13;
636 else
637 cache_ptr->howto = &howto_reloc_pcrel24;
638 }
639 else
640 {
641 if (raw[7] & incode_mask)
642 {
643 cache_ptr->howto = &howto_reloc_abs32code;
644 }
645 else
646 {
647 cache_ptr->howto = &howto_reloc_abs32;
648 }
649 }
650 if (cache_ptr->address < prev_addr)
651 {
652 /* Ouch! this reloc is out of order, insert into the right place
653 */
654 arelent tmp;
655 arelent *cursor = cache_ptr-1;
656 bfd_vma stop = cache_ptr->address;
657 tmp = *cache_ptr;
658 while (cursor->address > stop && cursor >= reloc_cache)
659 {
660 cursor[1] = cursor[0];
661 cursor--;
662 }
663 cursor[1] = tmp;
664 }
665 else
666 {
667 prev_addr = cache_ptr->address;
668 }
669 }
670
671
672 if (relocs != NULL)
673 free (relocs);
674 asect->relocation = reloc_cache;
675 asect->reloc_count = count;
676
677
678 return true;
679 }
680
681
682 static boolean
683 b_out_squirt_out_relocs (abfd, section)
684 bfd *abfd;
685 asection *section;
686 {
687 arelent **generic;
688 int r_extern = 0;
689 int r_idx;
690 int incode_mask;
691 int len_1;
692 unsigned int count = section->reloc_count;
693 struct relocation_info *native, *natptr;
694 size_t natsize = count * sizeof (struct relocation_info);
695 int extern_mask, pcrel_mask, len_2, callj_mask;
696 if (count == 0) return true;
697 generic = section->orelocation;
698 native = ((struct relocation_info *) bfd_malloc (natsize));
699 if (!native && natsize != 0)
700 return false;
701
702 if (bfd_header_big_endian (abfd))
703 {
704 /* Big-endian bit field allocation order */
705 pcrel_mask = 0x80;
706 extern_mask = 0x10;
707 len_2 = 0x40;
708 len_1 = 0x20;
709 callj_mask = 0x02;
710 incode_mask = 0x08;
711 }
712 else
713 {
714 /* Little-endian bit field allocation order */
715 pcrel_mask = 0x01;
716 extern_mask = 0x08;
717 len_2 = 0x04;
718 len_1 = 0x02;
719 callj_mask = 0x40;
720 incode_mask = 0x10;
721 }
722
723 for (natptr = native; count > 0; --count, ++natptr, ++generic)
724 {
725 arelent *g = *generic;
726 unsigned char *raw = (unsigned char *)natptr;
727 asymbol *sym = *(g->sym_ptr_ptr);
728
729 asection *output_section = sym->section->output_section;
730
731 bfd_h_put_32(abfd, g->address, raw);
732 /* Find a type in the output format which matches the input howto -
733 * at the moment we assume input format == output format FIXME!!
734 */
735 r_idx = 0;
736 /* FIXME: Need callj stuff here, and to check the howto entries to
737 be sure they are real for this architecture. */
738 if (g->howto== &howto_reloc_callj)
739 {
740 raw[7] = callj_mask + pcrel_mask + len_2;
741 }
742 else if (g->howto == &howto_reloc_pcrel24)
743 {
744 raw[7] = pcrel_mask + len_2;
745 }
746 else if (g->howto == &howto_reloc_pcrel13)
747 {
748 raw[7] = pcrel_mask + len_1;
749 }
750 else if (g->howto == &howto_reloc_abs32code)
751 {
752 raw[7] = len_2 + incode_mask;
753 }
754 else if (g->howto >= howto_align_table
755 && g->howto <= (howto_align_table
756 + sizeof (howto_align_table) / sizeof (howto_align_table[0])
757 - 1))
758 {
759 /* symnum == -2; extern_mask not set, pcrel_mask set */
760 r_idx = -2;
761 r_extern = 0;
762 raw[7] = (pcrel_mask
763 | ((g->howto - howto_align_table) << 1));
764 }
765 else {
766 raw[7] = len_2;
767 }
768
769 if (r_idx != 0)
770 /* already mucked with r_extern, r_idx */;
771 else if (bfd_is_com_section (output_section)
772 || bfd_is_abs_section (output_section)
773 || bfd_is_und_section (output_section))
774 {
775
776 if (bfd_abs_section_ptr->symbol == sym)
777 {
778 /* Whoops, looked like an abs symbol, but is really an offset
779 from the abs section */
780 r_idx = 0;
781 r_extern = 0;
782 }
783 else
784 {
785 /* Fill in symbol */
786
787 r_extern = 1;
788 r_idx = stoi((*(g->sym_ptr_ptr))->flags);
789 }
790 }
791 else
792 {
793 /* Just an ordinary section */
794 r_extern = 0;
795 r_idx = output_section->target_index;
796 }
797
798 if (bfd_header_big_endian (abfd)) {
799 raw[4] = (unsigned char) (r_idx >> 16);
800 raw[5] = (unsigned char) (r_idx >> 8);
801 raw[6] = (unsigned char) (r_idx );
802 } else {
803 raw[6] = (unsigned char) (r_idx >> 16);
804 raw[5] = (unsigned char) (r_idx>> 8);
805 raw[4] = (unsigned char) (r_idx );
806 }
807 if (r_extern)
808 raw[7] |= extern_mask;
809 }
810
811 if (bfd_write ((PTR) native, 1, natsize, abfd) != natsize) {
812 free((PTR)native);
813 return false;
814 }
815 free ((PTR)native);
816
817 return true;
818 }
819
820 /* This is stupid. This function should be a boolean predicate */
821 static long
822 b_out_canonicalize_reloc (abfd, section, relptr, symbols)
823 bfd *abfd;
824 sec_ptr section;
825 arelent **relptr;
826 asymbol **symbols;
827 {
828 arelent *tblptr;
829 unsigned int count;
830
831 if ((section->flags & SEC_CONSTRUCTOR) != 0)
832 {
833 arelent_chain *chain = section->constructor_chain;
834 for (count = 0; count < section->reloc_count; count++)
835 {
836 *relptr++ = &chain->relent;
837 chain = chain->next;
838 }
839 }
840 else
841 {
842 if (section->relocation == NULL
843 && ! b_out_slurp_reloc_table (abfd, section, symbols))
844 return -1;
845
846 tblptr = section->relocation;
847 for (count = 0; count++ < section->reloc_count;)
848 *relptr++ = tblptr++;
849 }
850
851 *relptr = NULL;
852
853 return section->reloc_count;
854 }
855
856 static long
857 b_out_get_reloc_upper_bound (abfd, asect)
858 bfd *abfd;
859 sec_ptr asect;
860 {
861 if (bfd_get_format (abfd) != bfd_object) {
862 bfd_set_error (bfd_error_invalid_operation);
863 return -1;
864 }
865
866 if (asect->flags & SEC_CONSTRUCTOR)
867 return sizeof (arelent *) * (asect->reloc_count + 1);
868
869 if (asect == obj_datasec (abfd))
870 return (sizeof (arelent *) *
871 ((exec_hdr(abfd)->a_drsize / sizeof (struct relocation_info))
872 +1));
873
874 if (asect == obj_textsec (abfd))
875 return (sizeof (arelent *) *
876 ((exec_hdr(abfd)->a_trsize / sizeof (struct relocation_info))
877 +1));
878
879 if (asect == obj_bsssec (abfd))
880 return 0;
881
882 bfd_set_error (bfd_error_invalid_operation);
883 return -1;
884 }
885 \f
886 static boolean
887 b_out_set_section_contents (abfd, section, location, offset, count)
888 bfd *abfd;
889 asection *section;
890 PTR location;
891 file_ptr offset;
892 bfd_size_type count;
893 {
894
895 if (abfd->output_has_begun == false) { /* set by bfd.c handler */
896 if (! aout_32_make_sections (abfd))
897 return false;
898
899 obj_textsec (abfd)->filepos = sizeof(struct internal_exec);
900 obj_datasec(abfd)->filepos = obj_textsec(abfd)->filepos
901 + obj_textsec (abfd)->_raw_size;
902
903 }
904 /* regardless, once we know what we're doing, we might as well get going */
905 if (bfd_seek (abfd, section->filepos + offset, SEEK_SET) != 0)
906 return false;
907
908 if (count != 0) {
909 return (bfd_write ((PTR)location, 1, count, abfd) == count) ?true:false;
910 }
911 return true;
912 }
913
914 static boolean
915 b_out_set_arch_mach (abfd, arch, machine)
916 bfd *abfd;
917 enum bfd_architecture arch;
918 unsigned long machine;
919 {
920 bfd_default_set_arch_mach(abfd, arch, machine);
921
922 if (arch == bfd_arch_unknown) /* Unknown machine arch is OK */
923 return true;
924 if (arch == bfd_arch_i960) /* i960 default is OK */
925 switch (machine) {
926 case bfd_mach_i960_core:
927 case bfd_mach_i960_kb_sb:
928 case bfd_mach_i960_mc:
929 case bfd_mach_i960_xa:
930 case bfd_mach_i960_ca:
931 case bfd_mach_i960_ka_sa:
932 case bfd_mach_i960_jx:
933 case bfd_mach_i960_hx:
934 case 0:
935 return true;
936 default:
937 return false;
938 }
939
940 return false;
941 }
942
943 static int
944 b_out_sizeof_headers (ignore_abfd, ignore)
945 bfd *ignore_abfd;
946 boolean ignore;
947 {
948 return sizeof(struct internal_exec);
949 }
950
951
952
953 /************************************************************************/
954 static bfd_vma
955 get_value (reloc, link_info, input_section)
956 arelent *reloc;
957 struct bfd_link_info *link_info;
958 asection *input_section;
959 {
960 bfd_vma value;
961 asymbol *symbol = *(reloc->sym_ptr_ptr);
962
963 /* A symbol holds a pointer to a section, and an offset from the
964 base of the section. To relocate, we find where the section will
965 live in the output and add that in */
966
967 if (bfd_is_und_section (symbol->section))
968 {
969 struct bfd_link_hash_entry *h;
970
971 /* The symbol is undefined in this BFD. Look it up in the
972 global linker hash table. FIXME: This should be changed when
973 we convert b.out to use a specific final_link function and
974 change the interface to bfd_relax_section to not require the
975 generic symbols. */
976 h = bfd_link_hash_lookup (link_info->hash, bfd_asymbol_name (symbol),
977 false, false, true);
978 if (h != (struct bfd_link_hash_entry *) NULL
979 && (h->type == bfd_link_hash_defined
980 || h->type == bfd_link_hash_defweak))
981 value = h->u.def.value + output_addr (h->u.def.section);
982 else if (h != (struct bfd_link_hash_entry *) NULL
983 && h->type == bfd_link_hash_common)
984 value = h->u.c.size;
985 else
986 {
987 if (! ((*link_info->callbacks->undefined_symbol)
988 (link_info, bfd_asymbol_name (symbol),
989 input_section->owner, input_section, reloc->address)))
990 abort ();
991 value = 0;
992 }
993 }
994 else
995 {
996 value = symbol->value + output_addr (symbol->section);
997 }
998
999 /* Add the value contained in the relocation */
1000 value += reloc->addend;
1001
1002 return value;
1003 }
1004
1005 static void
1006 perform_slip (abfd, slip, input_section, value)
1007 bfd *abfd;
1008 unsigned int slip;
1009 asection *input_section;
1010 bfd_vma value;
1011 {
1012 asymbol **s;
1013
1014 s = _bfd_generic_link_get_symbols (abfd);
1015 BFD_ASSERT (s != (asymbol **) NULL);
1016
1017 /* Find all symbols past this point, and make them know
1018 what's happened */
1019 while (*s)
1020 {
1021 asymbol *p = *s;
1022 if (p->section == input_section)
1023 {
1024 /* This was pointing into this section, so mangle it */
1025 if (p->value > value)
1026 {
1027 p->value -=slip;
1028 if (p->udata.p != NULL)
1029 {
1030 struct generic_link_hash_entry *h;
1031
1032 h = (struct generic_link_hash_entry *) p->udata.p;
1033 BFD_ASSERT (h->root.type == bfd_link_hash_defined);
1034 h->root.u.def.value -= slip;
1035 BFD_ASSERT (h->root.u.def.value == p->value);
1036 }
1037 }
1038 }
1039 s++;
1040
1041 }
1042 }
1043
1044 /* This routine works out if the thing we want to get to can be
1045 reached with a 24bit offset instead of a 32 bit one.
1046 If it can, then it changes the amode */
1047
1048 static int
1049 abs32code (abfd, input_section, r, shrink, link_info)
1050 bfd *abfd;
1051 asection *input_section;
1052 arelent *r;
1053 unsigned int shrink;
1054 struct bfd_link_info *link_info;
1055 {
1056 bfd_vma value = get_value (r, link_info, input_section);
1057 bfd_vma dot = output_addr (input_section) + r->address;
1058 bfd_vma gap;
1059
1060 /* See if the address we're looking at within 2^23 bytes of where
1061 we are, if so then we can use a small branch rather than the
1062 jump we were going to */
1063
1064 gap = value - (dot - shrink);
1065
1066
1067 if (-1<<23 < (long)gap && (long)gap < 1<<23 )
1068 {
1069 /* Change the reloc type from 32bitcode possible 24, to 24bit
1070 possible 32 */
1071
1072 r->howto = &howto_reloc_abs32codeshrunk;
1073 /* The place to relc moves back by four bytes */
1074 r->address -=4;
1075
1076 /* This will be four bytes smaller in the long run */
1077 shrink += 4 ;
1078 perform_slip (abfd, 4, input_section, r->address-shrink + 4);
1079 }
1080 return shrink;
1081 }
1082
1083 static int
1084 aligncode (abfd, input_section, r, shrink)
1085 bfd *abfd;
1086 asection *input_section;
1087 arelent *r;
1088 unsigned int shrink;
1089 {
1090 bfd_vma dot = output_addr (input_section) + r->address;
1091 bfd_vma gap;
1092 bfd_vma old_end;
1093 bfd_vma new_end;
1094 int shrink_delta;
1095 int size = r->howto->size;
1096
1097 /* Reduce the size of the alignment so that it's still aligned but
1098 smaller - the current size is already the same size as or bigger
1099 than the alignment required. */
1100
1101 /* calculate the first byte following the padding before we optimize */
1102 old_end = ((dot + size ) & ~size) + size+1;
1103 /* work out where the new end will be - remember that we're smaller
1104 than we used to be */
1105 new_end = ((dot - shrink + size) & ~size);
1106
1107 /* This is the new end */
1108 gap = old_end - ((dot + size) & ~size);
1109
1110 shrink_delta = (old_end - new_end) - shrink;
1111
1112 if (shrink_delta)
1113 {
1114 /* Change the reloc so that it knows how far to align to */
1115 r->howto = howto_done_align_table + (r->howto - howto_align_table);
1116
1117 /* Encode the stuff into the addend - for future use we need to
1118 know how big the reloc used to be */
1119 r->addend = old_end - dot + r->address;
1120
1121 /* This will be N bytes smaller in the long run, adjust all the symbols */
1122 perform_slip (abfd, shrink_delta, input_section, r->address - shrink);
1123 shrink += shrink_delta;
1124 }
1125 return shrink;
1126 }
1127
1128 static boolean
1129 b_out_bfd_relax_section (abfd, i, link_info, again)
1130 bfd *abfd;
1131 asection *i;
1132 struct bfd_link_info *link_info;
1133 boolean *again;
1134 {
1135 /* Get enough memory to hold the stuff */
1136 bfd *input_bfd = i->owner;
1137 asection *input_section = i;
1138 int shrink = 0 ;
1139 arelent **reloc_vector = NULL;
1140 long reloc_size = bfd_get_reloc_upper_bound(input_bfd,
1141 input_section);
1142
1143 if (reloc_size < 0)
1144 return false;
1145
1146 /* We only run this relaxation once. It might work to run it
1147 multiple times, but it hasn't been tested. */
1148 *again = false;
1149
1150 if (reloc_size)
1151 {
1152 long reloc_count;
1153
1154 reloc_vector = (arelent **) bfd_malloc (reloc_size);
1155 if (reloc_vector == NULL && reloc_size != 0)
1156 goto error_return;
1157
1158 /* Get the relocs and think about them */
1159 reloc_count =
1160 bfd_canonicalize_reloc (input_bfd, input_section, reloc_vector,
1161 _bfd_generic_link_get_symbols (input_bfd));
1162 if (reloc_count < 0)
1163 goto error_return;
1164 if (reloc_count > 0)
1165 {
1166 arelent **parent;
1167 for (parent = reloc_vector; *parent; parent++)
1168 {
1169 arelent *r = *parent;
1170 switch (r->howto->type)
1171 {
1172 case ALIGNER:
1173 /* An alignment reloc */
1174 shrink = aligncode (abfd, input_section, r, shrink);
1175 break;
1176 case ABS32CODE:
1177 /* A 32bit reloc in an addressing mode */
1178 shrink = abs32code (input_bfd, input_section, r, shrink,
1179 link_info);
1180 break;
1181 case ABS32CODE_SHRUNK:
1182 shrink+=4;
1183 break;
1184 }
1185 }
1186 }
1187 }
1188 input_section->_cooked_size = input_section->_raw_size - shrink;
1189
1190 if (reloc_vector != NULL)
1191 free (reloc_vector);
1192 return true;
1193 error_return:
1194 if (reloc_vector != NULL)
1195 free (reloc_vector);
1196 return false;
1197 }
1198
1199 static bfd_byte *
1200 b_out_bfd_get_relocated_section_contents (in_abfd, link_info, link_order,
1201 data, relocateable, symbols)
1202 bfd *in_abfd;
1203 struct bfd_link_info *link_info;
1204 struct bfd_link_order *link_order;
1205 bfd_byte *data;
1206 boolean relocateable;
1207 asymbol **symbols;
1208 {
1209 /* Get enough memory to hold the stuff */
1210 bfd *input_bfd = link_order->u.indirect.section->owner;
1211 asection *input_section = link_order->u.indirect.section;
1212 long reloc_size = bfd_get_reloc_upper_bound(input_bfd,
1213 input_section);
1214 arelent **reloc_vector = NULL;
1215 long reloc_count;
1216
1217 if (reloc_size < 0)
1218 goto error_return;
1219
1220 /* If producing relocateable output, don't bother to relax. */
1221 if (relocateable)
1222 return bfd_generic_get_relocated_section_contents (in_abfd, link_info,
1223 link_order,
1224 data, relocateable,
1225 symbols);
1226
1227 reloc_vector = (arelent **) bfd_malloc (reloc_size);
1228 if (reloc_vector == NULL && reloc_size != 0)
1229 goto error_return;
1230
1231 input_section->reloc_done = 1;
1232
1233 /* read in the section */
1234 BFD_ASSERT (true == bfd_get_section_contents(input_bfd,
1235 input_section,
1236 data,
1237 0,
1238 input_section->_raw_size));
1239
1240 reloc_count = bfd_canonicalize_reloc (input_bfd,
1241 input_section,
1242 reloc_vector,
1243 symbols);
1244 if (reloc_count < 0)
1245 goto error_return;
1246 if (reloc_count > 0)
1247 {
1248 arelent **parent = reloc_vector;
1249 arelent *reloc ;
1250
1251 unsigned int dst_address = 0;
1252 unsigned int src_address = 0;
1253 unsigned int run;
1254 unsigned int idx;
1255
1256 /* Find how long a run we can do */
1257 while (dst_address < link_order->size)
1258 {
1259 reloc = *parent;
1260 if (reloc)
1261 {
1262 /* Note that the relaxing didn't tie up the addresses in the
1263 relocation, so we use the original address to work out the
1264 run of non-relocated data */
1265 BFD_ASSERT (reloc->address >= src_address);
1266 run = reloc->address - src_address;
1267 parent++;
1268 }
1269 else
1270 {
1271 run = link_order->size - dst_address;
1272 }
1273 /* Copy the bytes */
1274 for (idx = 0; idx < run; idx++)
1275 {
1276 data[dst_address++] = data[src_address++];
1277 }
1278
1279 /* Now do the relocation */
1280
1281 if (reloc)
1282 {
1283 switch (reloc->howto->type)
1284 {
1285 case ABS32CODE:
1286 calljx_callback (in_abfd, link_info, reloc,
1287 src_address + data, dst_address + data,
1288 input_section);
1289 src_address+=4;
1290 dst_address+=4;
1291 break;
1292 case ABS32:
1293 bfd_put_32(in_abfd,
1294 (bfd_get_32 (in_abfd, data+src_address)
1295 + get_value (reloc, link_info, input_section)),
1296 data+dst_address);
1297 src_address+=4;
1298 dst_address+=4;
1299 break;
1300 case CALLJ:
1301 callj_callback (in_abfd, link_info, reloc, data, src_address,
1302 dst_address, input_section, false);
1303 src_address+=4;
1304 dst_address+=4;
1305 break;
1306 case ALIGNDONE:
1307 BFD_ASSERT (reloc->addend >= src_address);
1308 BFD_ASSERT (reloc->addend <= input_section->_raw_size);
1309 src_address = reloc->addend;
1310 dst_address = ((dst_address + reloc->howto->size)
1311 & ~reloc->howto->size);
1312 break;
1313 case ABS32CODE_SHRUNK:
1314 /* This used to be a callx, but we've found out that a
1315 callj will reach, so do the right thing. */
1316 callj_callback (in_abfd, link_info, reloc, data,
1317 src_address + 4, dst_address, input_section,
1318 true);
1319 dst_address+=4;
1320 src_address+=8;
1321 break;
1322 case PCREL24:
1323 {
1324 long int word = bfd_get_32(in_abfd, data+src_address);
1325 bfd_vma value;
1326
1327 value = get_value (reloc, link_info, input_section);
1328 word = ((word & ~BAL_MASK)
1329 | (((word & BAL_MASK)
1330 + value
1331 - output_addr (input_section)
1332 + reloc->addend)
1333 & BAL_MASK));
1334
1335 bfd_put_32(in_abfd,word, data+dst_address);
1336 dst_address+=4;
1337 src_address+=4;
1338
1339 }
1340 break;
1341
1342 case PCREL13:
1343 {
1344 long int word = bfd_get_32(in_abfd, data+src_address);
1345 bfd_vma value;
1346
1347 value = get_value (reloc, link_info, input_section);
1348 word = ((word & ~PCREL13_MASK)
1349 | (((word & PCREL13_MASK)
1350 + value
1351 + reloc->addend
1352 - output_addr (input_section))
1353 & PCREL13_MASK));
1354
1355 bfd_put_32(in_abfd,word, data+dst_address);
1356 dst_address+=4;
1357 src_address+=4;
1358
1359 }
1360 break;
1361
1362 default:
1363 abort();
1364 }
1365 }
1366 }
1367 }
1368 if (reloc_vector != NULL)
1369 free (reloc_vector);
1370 return data;
1371 error_return:
1372 if (reloc_vector != NULL)
1373 free (reloc_vector);
1374 return NULL;
1375 }
1376 /***********************************************************************/
1377
1378 /* Build the transfer vectors for Big and Little-Endian B.OUT files. */
1379
1380 #define aout_32_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol
1381 #define aout_32_close_and_cleanup aout_32_bfd_free_cached_info
1382
1383 #define b_out_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
1384 #define b_out_bfd_link_add_symbols _bfd_generic_link_add_symbols
1385 #define b_out_bfd_final_link _bfd_generic_final_link
1386 #define b_out_bfd_link_split_section _bfd_generic_link_split_section
1387
1388 #define aout_32_get_section_contents_in_window \
1389 _bfd_generic_get_section_contents_in_window
1390
1391 const bfd_target b_out_vec_big_host =
1392 {
1393 "b.out.big", /* name */
1394 bfd_target_aout_flavour,
1395 BFD_ENDIAN_LITTLE, /* data byte order is little */
1396 BFD_ENDIAN_BIG, /* hdr byte order is big */
1397 (HAS_RELOC | EXEC_P | /* object flags */
1398 HAS_LINENO | HAS_DEBUG |
1399 HAS_SYMS | HAS_LOCALS | WP_TEXT | BFD_IS_RELAXABLE ),
1400 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
1401 '_', /* symbol leading char */
1402 ' ', /* ar_pad_char */
1403 16, /* ar_max_namelen */
1404
1405 bfd_getl64, bfd_getl_signed_64, bfd_putl64,
1406 bfd_getl32, bfd_getl_signed_32, bfd_putl32,
1407 bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */
1408 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
1409 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
1410 bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */
1411 {_bfd_dummy_target, b_out_object_p, /* bfd_check_format */
1412 bfd_generic_archive_p, _bfd_dummy_target},
1413 {bfd_false, b_out_mkobject, /* bfd_set_format */
1414 _bfd_generic_mkarchive, bfd_false},
1415 {bfd_false, b_out_write_object_contents, /* bfd_write_contents */
1416 _bfd_write_archive_contents, bfd_false},
1417
1418 BFD_JUMP_TABLE_GENERIC (aout_32),
1419 BFD_JUMP_TABLE_COPY (_bfd_generic),
1420 BFD_JUMP_TABLE_CORE (_bfd_nocore),
1421 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd),
1422 BFD_JUMP_TABLE_SYMBOLS (aout_32),
1423 BFD_JUMP_TABLE_RELOCS (b_out),
1424 BFD_JUMP_TABLE_WRITE (b_out),
1425 BFD_JUMP_TABLE_LINK (b_out),
1426 BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
1427
1428 (PTR) 0,
1429 };
1430
1431
1432 const bfd_target b_out_vec_little_host =
1433 {
1434 "b.out.little", /* name */
1435 bfd_target_aout_flavour,
1436 BFD_ENDIAN_LITTLE, /* data byte order is little */
1437 BFD_ENDIAN_LITTLE, /* header byte order is little */
1438 (HAS_RELOC | EXEC_P | /* object flags */
1439 HAS_LINENO | HAS_DEBUG |
1440 HAS_SYMS | HAS_LOCALS | WP_TEXT | BFD_IS_RELAXABLE ),
1441 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
1442 '_', /* symbol leading char */
1443 ' ', /* ar_pad_char */
1444 16, /* ar_max_namelen */
1445 bfd_getl64, bfd_getl_signed_64, bfd_putl64,
1446 bfd_getl32, bfd_getl_signed_32, bfd_putl32,
1447 bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */
1448 bfd_getl64, bfd_getl_signed_64, bfd_putl64,
1449 bfd_getl32, bfd_getl_signed_32, bfd_putl32,
1450 bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */
1451
1452 {_bfd_dummy_target, b_out_object_p, /* bfd_check_format */
1453 bfd_generic_archive_p, _bfd_dummy_target},
1454 {bfd_false, b_out_mkobject, /* bfd_set_format */
1455 _bfd_generic_mkarchive, bfd_false},
1456 {bfd_false, b_out_write_object_contents, /* bfd_write_contents */
1457 _bfd_write_archive_contents, bfd_false},
1458
1459 BFD_JUMP_TABLE_GENERIC (aout_32),
1460 BFD_JUMP_TABLE_COPY (_bfd_generic),
1461 BFD_JUMP_TABLE_CORE (_bfd_nocore),
1462 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd),
1463 BFD_JUMP_TABLE_SYMBOLS (aout_32),
1464 BFD_JUMP_TABLE_RELOCS (b_out),
1465 BFD_JUMP_TABLE_WRITE (b_out),
1466 BFD_JUMP_TABLE_LINK (b_out),
1467 BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
1468
1469 (PTR) 0
1470 };
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