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252b5132 | 1 | /* BFD back-end for Intel 960 b.out binaries. |
7898deda | 2 | Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, |
67a374a5 | 3 | 2000, 2001 |
5f771d47 | 4 | Free Software Foundation, Inc. |
252b5132 RH |
5 | Written by Cygnus Support. |
6 | ||
7 | This file is part of BFD, the Binary File Descriptor library. | |
8 | ||
9 | This program is free software; you can redistribute it and/or modify | |
10 | it under the terms of the GNU General Public License as published by | |
11 | the Free Software Foundation; either version 2 of the License, or | |
12 | (at your option) any later version. | |
13 | ||
14 | This program is distributed in the hope that it will be useful, | |
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | GNU General Public License for more details. | |
18 | ||
19 | You should have received a copy of the GNU General Public License | |
20 | along with this program; if not, write to the Free Software | |
21 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
22 | ||
252b5132 RH |
23 | #include "bfd.h" |
24 | #include "sysdep.h" | |
25 | #include "libbfd.h" | |
26 | #include "bfdlink.h" | |
27 | #include "genlink.h" | |
28 | #include "bout.h" | |
29 | ||
30 | #include "aout/stab_gnu.h" | |
67a374a5 NC |
31 | #include "libaout.h" /* BFD a.out internal data structures. */ |
32 | ||
33 | static int aligncode PARAMS ((bfd *abfd, asection *input_section, arelent *r, unsigned int shrink)); | |
34 | static void perform_slip PARAMS ((bfd *abfd, unsigned int slip, asection *input_section, bfd_vma value)); | |
35 | static boolean b_out_squirt_out_relocs PARAMS ((bfd *abfd, asection *section)); | |
36 | static const bfd_target * b_out_callback PARAMS ((bfd *)); | |
37 | static bfd_reloc_status_type calljx_callback PARAMS ((bfd *, struct bfd_link_info *, arelent *, PTR src, PTR dst, asection *)); | |
38 | static bfd_reloc_status_type callj_callback PARAMS ((bfd *, struct bfd_link_info *, arelent *, PTR data, unsigned int srcidx, unsigned int dstidx, asection *, boolean)); | |
39 | static bfd_vma get_value PARAMS ((arelent *, struct bfd_link_info *, asection *)); | |
40 | static int abs32code PARAMS ((bfd *, asection *, arelent *, unsigned int, struct bfd_link_info *)); | |
41 | static boolean b_out_bfd_relax_section PARAMS ((bfd *, asection *, struct bfd_link_info *, boolean *)); | |
42 | static bfd_byte * b_out_bfd_get_relocated_section_contents PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_order *, bfd_byte *, boolean, asymbol **)); | |
43 | static int b_out_sizeof_headers PARAMS ((bfd *, boolean)); | |
44 | static boolean b_out_set_arch_mach PARAMS ((bfd *, enum bfd_architecture, unsigned long)); | |
45 | static boolean b_out_set_section_contents PARAMS ((bfd *, asection *, PTR, file_ptr, bfd_size_type)); | |
46 | static long b_out_get_reloc_upper_bound PARAMS ((bfd *, sec_ptr)); | |
47 | static long b_out_canonicalize_reloc PARAMS ((bfd *, sec_ptr, arelent **, asymbol **)); | |
48 | static boolean b_out_slurp_reloc_table PARAMS ((bfd *, sec_ptr, asymbol **)); | |
49 | static reloc_howto_type * b_out_bfd_reloc_type_lookup PARAMS ((bfd *, bfd_reloc_code_real_type)); | |
50 | static boolean b_out_write_object_contents PARAMS ((bfd *)); | |
51 | static int b_out_symbol_cmp PARAMS ((const void *, const void *)); | |
52 | static boolean b_out_mkobject PARAMS ((bfd *)); | |
53 | static const bfd_target * b_out_object_p PARAMS ((bfd *)); | |
54 | ||
55 | void bout_swap_exec_header_in PARAMS ((bfd *, struct external_exec *, struct internal_exec *)); | |
56 | void bout_swap_exec_header_out PARAMS ((bfd *, struct internal_exec *, struct external_exec *)); | |
252b5132 RH |
57 | |
58 | /* Swaps the information in an executable header taken from a raw byte | |
59 | stream memory image, into the internal exec_header structure. */ | |
60 | ||
61 | void | |
62 | bout_swap_exec_header_in (abfd, raw_bytes, execp) | |
63 | bfd *abfd; | |
64 | struct external_exec *raw_bytes; | |
65 | struct internal_exec *execp; | |
66 | { | |
67 | struct external_exec *bytes = (struct external_exec *)raw_bytes; | |
68 | ||
69 | /* Now fill in fields in the execp, from the bytes in the raw data. */ | |
dc810e39 | 70 | execp->a_info = H_GET_32 (abfd, bytes->e_info); |
252b5132 RH |
71 | execp->a_text = GET_WORD (abfd, bytes->e_text); |
72 | execp->a_data = GET_WORD (abfd, bytes->e_data); | |
73 | execp->a_bss = GET_WORD (abfd, bytes->e_bss); | |
74 | execp->a_syms = GET_WORD (abfd, bytes->e_syms); | |
75 | execp->a_entry = GET_WORD (abfd, bytes->e_entry); | |
76 | execp->a_trsize = GET_WORD (abfd, bytes->e_trsize); | |
77 | execp->a_drsize = GET_WORD (abfd, bytes->e_drsize); | |
78 | execp->a_tload = GET_WORD (abfd, bytes->e_tload); | |
79 | execp->a_dload = GET_WORD (abfd, bytes->e_dload); | |
80 | execp->a_talign = bytes->e_talign[0]; | |
81 | execp->a_dalign = bytes->e_dalign[0]; | |
82 | execp->a_balign = bytes->e_balign[0]; | |
83 | execp->a_relaxable = bytes->e_relaxable[0]; | |
84 | } | |
85 | ||
86 | /* Swaps the information in an internal exec header structure into the | |
87 | supplied buffer ready for writing to disk. */ | |
88 | ||
252b5132 RH |
89 | void |
90 | bout_swap_exec_header_out (abfd, execp, raw_bytes) | |
91 | bfd *abfd; | |
92 | struct internal_exec *execp; | |
93 | struct external_exec *raw_bytes; | |
94 | { | |
95 | struct external_exec *bytes = (struct external_exec *)raw_bytes; | |
96 | ||
aebad5fe | 97 | /* Now fill in fields in the raw data, from the fields in the exec struct. */ |
dc810e39 | 98 | H_PUT_32 (abfd, execp->a_info , bytes->e_info); |
252b5132 RH |
99 | PUT_WORD (abfd, execp->a_text , bytes->e_text); |
100 | PUT_WORD (abfd, execp->a_data , bytes->e_data); | |
101 | PUT_WORD (abfd, execp->a_bss , bytes->e_bss); | |
102 | PUT_WORD (abfd, execp->a_syms , bytes->e_syms); | |
103 | PUT_WORD (abfd, execp->a_entry , bytes->e_entry); | |
104 | PUT_WORD (abfd, execp->a_trsize, bytes->e_trsize); | |
105 | PUT_WORD (abfd, execp->a_drsize, bytes->e_drsize); | |
106 | PUT_WORD (abfd, execp->a_tload , bytes->e_tload); | |
107 | PUT_WORD (abfd, execp->a_dload , bytes->e_dload); | |
108 | bytes->e_talign[0] = execp->a_talign; | |
109 | bytes->e_dalign[0] = execp->a_dalign; | |
110 | bytes->e_balign[0] = execp->a_balign; | |
111 | bytes->e_relaxable[0] = execp->a_relaxable; | |
112 | } | |
113 | ||
252b5132 RH |
114 | static const bfd_target * |
115 | b_out_object_p (abfd) | |
116 | bfd *abfd; | |
117 | { | |
118 | struct internal_exec anexec; | |
119 | struct external_exec exec_bytes; | |
dc810e39 | 120 | bfd_size_type amt = EXEC_BYTES_SIZE; |
252b5132 | 121 | |
dc810e39 | 122 | if (bfd_bread ((PTR) &exec_bytes, amt, abfd) != amt) |
67a374a5 NC |
123 | { |
124 | if (bfd_get_error () != bfd_error_system_call) | |
125 | bfd_set_error (bfd_error_wrong_format); | |
126 | return 0; | |
127 | } | |
252b5132 | 128 | |
dc810e39 | 129 | anexec.a_info = H_GET_32 (abfd, exec_bytes.e_info); |
252b5132 | 130 | |
67a374a5 NC |
131 | if (N_BADMAG (anexec)) |
132 | { | |
133 | bfd_set_error (bfd_error_wrong_format); | |
134 | return 0; | |
135 | } | |
252b5132 RH |
136 | |
137 | bout_swap_exec_header_in (abfd, &exec_bytes, &anexec); | |
138 | return aout_32_some_aout_object_p (abfd, &anexec, b_out_callback); | |
139 | } | |
140 | ||
252b5132 RH |
141 | /* Finish up the opening of a b.out file for reading. Fill in all the |
142 | fields that are not handled by common code. */ | |
143 | ||
144 | static const bfd_target * | |
145 | b_out_callback (abfd) | |
146 | bfd *abfd; | |
147 | { | |
148 | struct internal_exec *execp = exec_hdr (abfd); | |
149 | unsigned long bss_start; | |
150 | ||
67a374a5 | 151 | /* Architecture and machine type. */ |
252b5132 RH |
152 | bfd_set_arch_mach(abfd, |
153 | bfd_arch_i960, /* B.out only used on i960 */ | |
154 | bfd_mach_i960_core /* Default */ | |
155 | ); | |
156 | ||
157 | /* The positions of the string table and symbol table. */ | |
158 | obj_str_filepos (abfd) = N_STROFF (*execp); | |
159 | obj_sym_filepos (abfd) = N_SYMOFF (*execp); | |
160 | ||
67a374a5 | 161 | /* The alignments of the sections. */ |
252b5132 RH |
162 | obj_textsec (abfd)->alignment_power = execp->a_talign; |
163 | obj_datasec (abfd)->alignment_power = execp->a_dalign; | |
164 | obj_bsssec (abfd)->alignment_power = execp->a_balign; | |
165 | ||
166 | /* The starting addresses of the sections. */ | |
167 | obj_textsec (abfd)->vma = execp->a_tload; | |
168 | obj_datasec (abfd)->vma = execp->a_dload; | |
169 | ||
170 | obj_textsec (abfd)->lma = obj_textsec (abfd)->vma; | |
171 | obj_datasec (abfd)->lma = obj_datasec (abfd)->vma; | |
172 | ||
67a374a5 | 173 | /* And reload the sizes, since the aout module zaps them. */ |
252b5132 RH |
174 | obj_textsec (abfd)->_raw_size = execp->a_text; |
175 | ||
176 | bss_start = execp->a_dload + execp->a_data; /* BSS = end of data section */ | |
177 | obj_bsssec (abfd)->vma = align_power (bss_start, execp->a_balign); | |
178 | ||
179 | obj_bsssec (abfd)->lma = obj_bsssec (abfd)->vma; | |
180 | ||
67a374a5 | 181 | /* The file positions of the sections. */ |
252b5132 RH |
182 | obj_textsec (abfd)->filepos = N_TXTOFF(*execp); |
183 | obj_datasec (abfd)->filepos = N_DATOFF(*execp); | |
184 | ||
67a374a5 | 185 | /* The file positions of the relocation info. */ |
252b5132 RH |
186 | obj_textsec (abfd)->rel_filepos = N_TROFF(*execp); |
187 | obj_datasec (abfd)->rel_filepos = N_DROFF(*execp); | |
188 | ||
aebad5fe KH |
189 | adata(abfd).page_size = 1; /* Not applicable. */ |
190 | adata(abfd).segment_size = 1; /* Not applicable. */ | |
252b5132 RH |
191 | adata(abfd).exec_bytes_size = EXEC_BYTES_SIZE; |
192 | ||
193 | if (execp->a_relaxable) | |
194 | abfd->flags |= BFD_IS_RELAXABLE; | |
195 | return abfd->xvec; | |
196 | } | |
197 | ||
67a374a5 NC |
198 | struct bout_data_struct |
199 | { | |
252b5132 RH |
200 | struct aoutdata a; |
201 | struct internal_exec e; | |
67a374a5 | 202 | }; |
252b5132 RH |
203 | |
204 | static boolean | |
205 | b_out_mkobject (abfd) | |
206 | bfd *abfd; | |
207 | { | |
208 | struct bout_data_struct *rawptr; | |
dc810e39 | 209 | bfd_size_type amt = sizeof (struct bout_data_struct); |
252b5132 | 210 | |
dc810e39 | 211 | rawptr = (struct bout_data_struct *) bfd_zalloc (abfd, amt); |
252b5132 RH |
212 | if (rawptr == NULL) |
213 | return false; | |
214 | ||
215 | abfd->tdata.bout_data = rawptr; | |
216 | exec_hdr (abfd) = &rawptr->e; | |
217 | ||
dc810e39 AM |
218 | obj_textsec (abfd) = (asection *) NULL; |
219 | obj_datasec (abfd) = (asection *) NULL; | |
220 | obj_bsssec (abfd) = (asection *) NULL; | |
252b5132 RH |
221 | |
222 | return true; | |
223 | } | |
224 | ||
225 | static int | |
67a374a5 NC |
226 | b_out_symbol_cmp (a_ptr, b_ptr) |
227 | const void * a_ptr; | |
228 | const void * b_ptr; | |
252b5132 | 229 | { |
67a374a5 NC |
230 | struct aout_symbol ** a = (struct aout_symbol **) a_ptr; |
231 | struct aout_symbol ** b = (struct aout_symbol **) b_ptr; | |
252b5132 RH |
232 | asection *sec; |
233 | bfd_vma av, bv; | |
234 | ||
67a374a5 | 235 | /* Primary key is address. */ |
252b5132 RH |
236 | sec = bfd_get_section (&(*a)->symbol); |
237 | av = sec->output_section->vma + sec->output_offset + (*a)->symbol.value; | |
238 | sec = bfd_get_section (&(*b)->symbol); | |
239 | bv = sec->output_section->vma + sec->output_offset + (*b)->symbol.value; | |
240 | ||
241 | if (av < bv) | |
242 | return -1; | |
243 | if (av > bv) | |
244 | return 1; | |
245 | ||
246 | /* Secondary key puts CALLNAME syms last and BALNAME syms first, so | |
247 | that they have the best chance of being contiguous. */ | |
248 | if (IS_BALNAME ((*a)->other) || IS_CALLNAME ((*b)->other)) | |
249 | return -1; | |
250 | if (IS_CALLNAME ((*a)->other) || IS_BALNAME ((*b)->other)) | |
251 | return 1; | |
252 | ||
253 | return 0; | |
254 | } | |
255 | ||
256 | static boolean | |
257 | b_out_write_object_contents (abfd) | |
258 | bfd *abfd; | |
259 | { | |
260 | struct external_exec swapped_hdr; | |
dc810e39 | 261 | bfd_size_type amt; |
252b5132 RH |
262 | |
263 | if (! aout_32_make_sections (abfd)) | |
264 | return false; | |
265 | ||
266 | exec_hdr (abfd)->a_info = BMAGIC; | |
267 | ||
268 | exec_hdr (abfd)->a_text = obj_textsec (abfd)->_raw_size; | |
269 | exec_hdr (abfd)->a_data = obj_datasec (abfd)->_raw_size; | |
270 | exec_hdr (abfd)->a_bss = obj_bsssec (abfd)->_raw_size; | |
271 | exec_hdr (abfd)->a_syms = bfd_get_symcount (abfd) * sizeof (struct nlist); | |
272 | exec_hdr (abfd)->a_entry = bfd_get_start_address (abfd); | |
273 | exec_hdr (abfd)->a_trsize = ((obj_textsec (abfd)->reloc_count) * | |
274 | sizeof (struct relocation_info)); | |
275 | exec_hdr (abfd)->a_drsize = ((obj_datasec (abfd)->reloc_count) * | |
276 | sizeof (struct relocation_info)); | |
277 | ||
278 | exec_hdr (abfd)->a_talign = obj_textsec (abfd)->alignment_power; | |
279 | exec_hdr (abfd)->a_dalign = obj_datasec (abfd)->alignment_power; | |
280 | exec_hdr (abfd)->a_balign = obj_bsssec (abfd)->alignment_power; | |
281 | ||
282 | exec_hdr (abfd)->a_tload = obj_textsec (abfd)->vma; | |
283 | exec_hdr (abfd)->a_dload = obj_datasec (abfd)->vma; | |
284 | ||
285 | bout_swap_exec_header_out (abfd, exec_hdr (abfd), &swapped_hdr); | |
286 | ||
dc810e39 | 287 | amt = EXEC_BYTES_SIZE; |
252b5132 | 288 | if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0 |
dc810e39 | 289 | || bfd_bwrite ((PTR) &swapped_hdr, amt, abfd) != amt) |
252b5132 RH |
290 | return false; |
291 | ||
292 | /* Now write out reloc info, followed by syms and strings */ | |
293 | if (bfd_get_symcount (abfd) != 0) | |
294 | { | |
295 | /* Make sure {CALL,BAL}NAME symbols remain adjacent on output | |
296 | by sorting. This is complicated by the fact that stabs are | |
297 | also ordered. Solve this by shifting all stabs to the end | |
298 | in order, then sorting the rest. */ | |
299 | ||
300 | asymbol **outsyms, **p, **q; | |
301 | ||
302 | outsyms = bfd_get_outsymbols (abfd); | |
303 | p = outsyms + bfd_get_symcount (abfd); | |
304 | ||
305 | for (q = p--; p >= outsyms; p--) | |
306 | { | |
307 | if ((*p)->flags & BSF_DEBUGGING) | |
308 | { | |
309 | asymbol *t = *--q; | |
310 | *q = *p; | |
311 | *p = t; | |
312 | } | |
313 | } | |
314 | ||
315 | if (q > outsyms) | |
dc810e39 AM |
316 | qsort (outsyms, (size_t) (q - outsyms), sizeof (asymbol*), |
317 | b_out_symbol_cmp); | |
252b5132 RH |
318 | |
319 | /* Back to your regularly scheduled program. */ | |
eb6e10cb | 320 | if (bfd_seek (abfd, (file_ptr) (N_SYMOFF(*exec_hdr(abfd))), SEEK_SET) |
252b5132 RH |
321 | != 0) |
322 | return false; | |
323 | ||
324 | if (! aout_32_write_syms (abfd)) | |
325 | return false; | |
326 | ||
dc810e39 AM |
327 | if (bfd_seek (abfd, (file_ptr) (N_TROFF(*exec_hdr(abfd))), SEEK_SET) |
328 | != 0) | |
252b5132 RH |
329 | return false; |
330 | ||
331 | if (!b_out_squirt_out_relocs (abfd, obj_textsec (abfd))) return false; | |
eb6e10cb | 332 | if (bfd_seek (abfd, (file_ptr) (N_DROFF(*exec_hdr(abfd))), SEEK_SET) |
252b5132 RH |
333 | != 0) |
334 | return false; | |
335 | ||
336 | if (!b_out_squirt_out_relocs (abfd, obj_datasec (abfd))) return false; | |
337 | } | |
338 | return true; | |
339 | } | |
340 | \f | |
67a374a5 | 341 | /* Some reloc hackery. */ |
252b5132 RH |
342 | |
343 | #define CALLS 0x66003800 /* Template for 'calls' instruction */ | |
67a374a5 | 344 | #define BAL 0x0b000000 /* Template for 'bal' instruction */ |
252b5132 RH |
345 | #define BAL_MASK 0x00ffffff |
346 | #define BALX 0x85f00000 /* Template for 'balx' instruction */ | |
347 | #define BALX_MASK 0x0007ffff | |
348 | #define CALL 0x09000000 | |
349 | #define PCREL13_MASK 0x1fff | |
350 | ||
252b5132 RH |
351 | #define output_addr(sec) ((sec)->output_offset+(sec)->output_section->vma) |
352 | ||
67a374a5 NC |
353 | /* Magic to turn callx into calljx. */ |
354 | ||
252b5132 RH |
355 | static bfd_reloc_status_type |
356 | calljx_callback (abfd, link_info, reloc_entry, src, dst, input_section) | |
357 | bfd *abfd; | |
358 | struct bfd_link_info *link_info; | |
359 | arelent *reloc_entry; | |
360 | PTR src; | |
361 | PTR dst; | |
362 | asection *input_section; | |
363 | { | |
364 | int word = bfd_get_32 (abfd, src); | |
365 | asymbol *symbol_in = *(reloc_entry->sym_ptr_ptr); | |
366 | aout_symbol_type *symbol = aout_symbol (symbol_in); | |
367 | bfd_vma value; | |
368 | ||
369 | value = get_value (reloc_entry, link_info, input_section); | |
370 | ||
371 | if (IS_CALLNAME (symbol->other)) | |
372 | { | |
373 | aout_symbol_type *balsym = symbol+1; | |
374 | int inst = bfd_get_32 (abfd, (bfd_byte *) src-4); | |
67a374a5 | 375 | /* The next symbol should be an N_BALNAME. */ |
252b5132 RH |
376 | BFD_ASSERT (IS_BALNAME (balsym->other)); |
377 | inst &= BALX_MASK; | |
378 | inst |= BALX; | |
dc810e39 | 379 | bfd_put_32 (abfd, (bfd_vma) inst, (bfd_byte *) dst-4); |
252b5132 RH |
380 | symbol = balsym; |
381 | value = (symbol->symbol.value | |
382 | + output_addr (symbol->symbol.section)); | |
383 | } | |
384 | ||
385 | word += value + reloc_entry->addend; | |
386 | ||
dc810e39 | 387 | bfd_put_32 (abfd, (bfd_vma) word, dst); |
252b5132 RH |
388 | return bfd_reloc_ok; |
389 | } | |
390 | ||
67a374a5 NC |
391 | /* Magic to turn call into callj. */ |
392 | ||
252b5132 RH |
393 | static bfd_reloc_status_type |
394 | callj_callback (abfd, link_info, reloc_entry, data, srcidx, dstidx, | |
395 | input_section, shrinking) | |
396 | bfd *abfd; | |
397 | struct bfd_link_info *link_info; | |
398 | arelent *reloc_entry; | |
399 | PTR data; | |
400 | unsigned int srcidx; | |
401 | unsigned int dstidx; | |
402 | asection *input_section; | |
403 | boolean shrinking; | |
404 | { | |
405 | int word = bfd_get_32 (abfd, (bfd_byte *) data + srcidx); | |
406 | asymbol *symbol_in = *(reloc_entry->sym_ptr_ptr); | |
407 | aout_symbol_type *symbol = aout_symbol (symbol_in); | |
408 | bfd_vma value; | |
409 | ||
410 | value = get_value (reloc_entry, link_info, input_section); | |
411 | ||
412 | if (IS_OTHER(symbol->other)) | |
413 | { | |
414 | /* Call to a system procedure - replace code with system | |
415 | procedure number. */ | |
416 | word = CALLS | (symbol->other - 1); | |
417 | } | |
418 | else if (IS_CALLNAME(symbol->other)) | |
419 | { | |
420 | aout_symbol_type *balsym = symbol+1; | |
421 | ||
422 | /* The next symbol should be an N_BALNAME. */ | |
423 | BFD_ASSERT(IS_BALNAME(balsym->other)); | |
aebad5fe | 424 | |
252b5132 RH |
425 | /* We are calling a leaf, so replace the call instruction with a |
426 | bal. */ | |
427 | word = BAL | ((word | |
428 | + output_addr (balsym->symbol.section) | |
429 | + balsym->symbol.value + reloc_entry->addend | |
430 | - dstidx | |
431 | - output_addr (input_section)) | |
432 | & BAL_MASK); | |
433 | } | |
434 | else if ((symbol->symbol.flags & BSF_SECTION_SYM) != 0) | |
435 | { | |
436 | /* A callj against a symbol in the same section is a fully | |
437 | resolved relative call. We don't need to do anything here. | |
438 | If the symbol is not in the same section, I'm not sure what | |
439 | to do; fortunately, this case will probably never arise. */ | |
440 | BFD_ASSERT (! shrinking); | |
441 | BFD_ASSERT (symbol->symbol.section == input_section); | |
442 | } | |
443 | else | |
444 | { | |
445 | word = CALL | (((word & BAL_MASK) | |
446 | + value | |
447 | + reloc_entry->addend | |
448 | - (shrinking ? dstidx : 0) | |
449 | - output_addr (input_section)) | |
450 | & BAL_MASK); | |
451 | } | |
dc810e39 | 452 | bfd_put_32 (abfd, (bfd_vma) word, (bfd_byte *) data + dstidx); |
252b5132 RH |
453 | return bfd_reloc_ok; |
454 | } | |
455 | ||
456 | /* type rshift size bitsize pcrel bitpos absolute overflow check*/ | |
457 | ||
458 | #define ABS32CODE 0 | |
459 | #define ABS32CODE_SHRUNK 1 | |
460 | #define PCREL24 2 | |
461 | #define CALLJ 3 | |
462 | #define ABS32 4 | |
463 | #define PCREL13 5 | |
464 | #define ABS32_MAYBE_RELAXABLE 1 | |
465 | #define ABS32_WAS_RELAXABLE 2 | |
466 | ||
467 | #define ALIGNER 10 | |
468 | #define ALIGNDONE 11 | |
469 | static reloc_howto_type howto_reloc_callj = | |
470 | HOWTO(CALLJ, 0, 2, 24, true, 0, complain_overflow_signed, 0,"callj", true, 0x00ffffff, 0x00ffffff,false); | |
471 | static reloc_howto_type howto_reloc_abs32 = | |
472 | HOWTO(ABS32, 0, 2, 32, false, 0, complain_overflow_bitfield,0,"abs32", true, 0xffffffff,0xffffffff,false); | |
473 | static reloc_howto_type howto_reloc_pcrel24 = | |
474 | HOWTO(PCREL24, 0, 2, 24, true, 0, complain_overflow_signed,0,"pcrel24", true, 0x00ffffff,0x00ffffff,false); | |
475 | ||
476 | static reloc_howto_type howto_reloc_pcrel13 = | |
477 | HOWTO(PCREL13, 0, 2, 13, true, 0, complain_overflow_signed,0,"pcrel13", true, 0x00001fff,0x00001fff,false); | |
478 | ||
252b5132 RH |
479 | static reloc_howto_type howto_reloc_abs32codeshrunk = |
480 | HOWTO(ABS32CODE_SHRUNK, 0, 2, 24, true, 0, complain_overflow_signed, 0,"callx->callj", true, 0x00ffffff, 0x00ffffff,false); | |
481 | ||
482 | static reloc_howto_type howto_reloc_abs32code = | |
483 | HOWTO(ABS32CODE, 0, 2, 32, false, 0, complain_overflow_bitfield,0,"callx", true, 0xffffffff,0xffffffff,false); | |
484 | ||
485 | static reloc_howto_type howto_align_table[] = { | |
486 | HOWTO (ALIGNER, 0, 0x1, 0, false, 0, complain_overflow_dont, 0, "align16", false, 0, 0, false), | |
487 | HOWTO (ALIGNER, 0, 0x3, 0, false, 0, complain_overflow_dont, 0, "align32", false, 0, 0, false), | |
488 | HOWTO (ALIGNER, 0, 0x7, 0, false, 0, complain_overflow_dont, 0, "align64", false, 0, 0, false), | |
489 | HOWTO (ALIGNER, 0, 0xf, 0, false, 0, complain_overflow_dont, 0, "align128", false, 0, 0, false), | |
490 | }; | |
491 | ||
492 | static reloc_howto_type howto_done_align_table[] = { | |
493 | HOWTO (ALIGNDONE, 0x1, 0x1, 0, false, 0, complain_overflow_dont, 0, "donealign16", false, 0, 0, false), | |
494 | HOWTO (ALIGNDONE, 0x3, 0x3, 0, false, 0, complain_overflow_dont, 0, "donealign32", false, 0, 0, false), | |
495 | HOWTO (ALIGNDONE, 0x7, 0x7, 0, false, 0, complain_overflow_dont, 0, "donealign64", false, 0, 0, false), | |
496 | HOWTO (ALIGNDONE, 0xf, 0xf, 0, false, 0, complain_overflow_dont, 0, "donealign128", false, 0, 0, false), | |
497 | }; | |
498 | ||
499 | static reloc_howto_type * | |
500 | b_out_bfd_reloc_type_lookup (abfd, code) | |
5f771d47 | 501 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 RH |
502 | bfd_reloc_code_real_type code; |
503 | { | |
504 | switch (code) | |
505 | { | |
506 | default: | |
507 | return 0; | |
508 | case BFD_RELOC_I960_CALLJ: | |
509 | return &howto_reloc_callj; | |
510 | case BFD_RELOC_32: | |
511 | case BFD_RELOC_CTOR: | |
512 | return &howto_reloc_abs32; | |
513 | case BFD_RELOC_24_PCREL: | |
514 | return &howto_reloc_pcrel24; | |
515 | } | |
516 | } | |
517 | ||
67a374a5 | 518 | /* Allocate enough room for all the reloc entries, plus pointers to them all. */ |
252b5132 RH |
519 | |
520 | static boolean | |
521 | b_out_slurp_reloc_table (abfd, asect, symbols) | |
522 | bfd *abfd; | |
523 | sec_ptr asect; | |
524 | asymbol **symbols; | |
525 | { | |
526 | register struct relocation_info *rptr; | |
dc810e39 AM |
527 | unsigned int counter; |
528 | arelent *cache_ptr; | |
252b5132 RH |
529 | int extern_mask, pcrel_mask, callj_mask, length_shift; |
530 | int incode_mask; | |
531 | int size_mask; | |
532 | bfd_vma prev_addr = 0; | |
533 | unsigned int count; | |
dc810e39 | 534 | bfd_size_type reloc_size, amt; |
252b5132 RH |
535 | struct relocation_info *relocs; |
536 | arelent *reloc_cache; | |
537 | ||
538 | if (asect->relocation) | |
539 | return true; | |
67a374a5 | 540 | |
252b5132 RH |
541 | if (!aout_32_slurp_symbol_table (abfd)) |
542 | return false; | |
543 | ||
67a374a5 NC |
544 | if (asect == obj_datasec (abfd)) |
545 | { | |
546 | reloc_size = exec_hdr(abfd)->a_drsize; | |
547 | goto doit; | |
548 | } | |
252b5132 | 549 | |
67a374a5 NC |
550 | if (asect == obj_textsec (abfd)) |
551 | { | |
552 | reloc_size = exec_hdr(abfd)->a_trsize; | |
553 | goto doit; | |
554 | } | |
252b5132 | 555 | |
67a374a5 NC |
556 | if (asect == obj_bsssec (abfd)) |
557 | { | |
558 | reloc_size = 0; | |
559 | goto doit; | |
560 | } | |
252b5132 RH |
561 | |
562 | bfd_set_error (bfd_error_invalid_operation); | |
563 | return false; | |
564 | ||
565 | doit: | |
dc810e39 | 566 | if (bfd_seek (abfd, asect->rel_filepos, SEEK_SET) != 0) |
252b5132 RH |
567 | return false; |
568 | count = reloc_size / sizeof (struct relocation_info); | |
569 | ||
570 | relocs = (struct relocation_info *) bfd_malloc (reloc_size); | |
571 | if (!relocs && reloc_size != 0) | |
572 | return false; | |
67a374a5 | 573 | |
dc810e39 AM |
574 | amt = ((bfd_size_type) count + 1) * sizeof (arelent); |
575 | reloc_cache = (arelent *) bfd_malloc (amt); | |
67a374a5 NC |
576 | if (!reloc_cache) |
577 | { | |
578 | if (relocs != NULL) | |
dc810e39 | 579 | free (relocs); |
67a374a5 NC |
580 | return false; |
581 | } | |
252b5132 | 582 | |
dc810e39 | 583 | if (bfd_bread ((PTR) relocs, reloc_size, abfd) != reloc_size) |
67a374a5 NC |
584 | { |
585 | free (reloc_cache); | |
586 | if (relocs != NULL) | |
587 | free (relocs); | |
588 | return false; | |
589 | } | |
252b5132 | 590 | |
67a374a5 NC |
591 | if (bfd_header_big_endian (abfd)) |
592 | { | |
593 | /* Big-endian bit field allocation order. */ | |
594 | pcrel_mask = 0x80; | |
595 | extern_mask = 0x10; | |
596 | incode_mask = 0x08; | |
597 | callj_mask = 0x02; | |
598 | size_mask = 0x20; | |
599 | length_shift = 5; | |
600 | } | |
601 | else | |
602 | { | |
603 | /* Little-endian bit field allocation order. */ | |
604 | pcrel_mask = 0x01; | |
605 | extern_mask = 0x08; | |
606 | incode_mask = 0x10; | |
607 | callj_mask = 0x40; | |
608 | size_mask = 0x02; | |
609 | length_shift = 1; | |
610 | } | |
252b5132 RH |
611 | |
612 | for (rptr = relocs, cache_ptr = reloc_cache, counter = 0; | |
613 | counter < count; | |
614 | counter++, rptr++, cache_ptr++) | |
615 | { | |
616 | unsigned char *raw = (unsigned char *)rptr; | |
617 | unsigned int symnum; | |
67a374a5 | 618 | |
dc810e39 | 619 | cache_ptr->address = H_GET_32 (abfd, raw + 0); |
252b5132 | 620 | cache_ptr->howto = 0; |
67a374a5 | 621 | |
252b5132 | 622 | if (bfd_header_big_endian (abfd)) |
252b5132 | 623 | symnum = (raw[4] << 16) | (raw[5] << 8) | raw[6]; |
252b5132 | 624 | else |
252b5132 | 625 | symnum = (raw[6] << 16) | (raw[5] << 8) | raw[4]; |
252b5132 RH |
626 | |
627 | if (raw[7] & extern_mask) | |
67a374a5 | 628 | { |
08da05b0 | 629 | /* If this is set then the r_index is an index into the symbol table; |
67a374a5 NC |
630 | if the bit is not set then r_index contains a section map. |
631 | We either fill in the sym entry with a pointer to the symbol, | |
632 | or point to the correct section. */ | |
252b5132 RH |
633 | cache_ptr->sym_ptr_ptr = symbols + symnum; |
634 | cache_ptr->addend = 0; | |
67a374a5 NC |
635 | } |
636 | else | |
252b5132 | 637 | { |
67a374a5 NC |
638 | /* In a.out symbols are relative to the beginning of the |
639 | file rather than sections ? | |
640 | (look in translate_from_native_sym_flags) | |
641 | The reloc entry addend has added to it the offset into the | |
642 | file of the data, so subtract the base to make the reloc | |
643 | section relative. */ | |
644 | int s; | |
645 | ||
646 | /* Sign-extend symnum from 24 bits to whatever host uses. */ | |
252b5132 RH |
647 | s = symnum; |
648 | if (s & (1 << 23)) | |
649 | s |= (~0) << 24; | |
67a374a5 NC |
650 | |
651 | cache_ptr->sym_ptr_ptr = (asymbol **)NULL; | |
652 | switch (s) | |
252b5132 | 653 | { |
67a374a5 NC |
654 | case N_TEXT: |
655 | case N_TEXT | N_EXT: | |
656 | cache_ptr->sym_ptr_ptr = obj_textsec (abfd)->symbol_ptr_ptr; | |
657 | cache_ptr->addend = - obj_textsec (abfd)->vma; | |
658 | break; | |
659 | case N_DATA: | |
660 | case N_DATA | N_EXT: | |
661 | cache_ptr->sym_ptr_ptr = obj_datasec (abfd)->symbol_ptr_ptr; | |
662 | cache_ptr->addend = - obj_datasec (abfd)->vma; | |
663 | break; | |
664 | case N_BSS: | |
665 | case N_BSS | N_EXT: | |
666 | cache_ptr->sym_ptr_ptr = obj_bsssec (abfd)->symbol_ptr_ptr; | |
667 | cache_ptr->addend = - obj_bsssec (abfd)->vma; | |
668 | break; | |
669 | case N_ABS: | |
670 | case N_ABS | N_EXT: | |
671 | cache_ptr->sym_ptr_ptr = obj_bsssec (abfd)->symbol_ptr_ptr; | |
672 | cache_ptr->addend = 0; | |
673 | break; | |
674 | case -2: /* .align */ | |
675 | if (raw[7] & pcrel_mask) | |
676 | { | |
677 | cache_ptr->howto = &howto_align_table[(raw[7] >> length_shift) & 3]; | |
678 | cache_ptr->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; | |
679 | } | |
680 | else | |
681 | { | |
682 | /* .org? */ | |
683 | abort (); | |
684 | } | |
685 | cache_ptr->addend = 0; | |
686 | break; | |
687 | default: | |
688 | BFD_ASSERT(0); | |
689 | break; | |
252b5132 | 690 | } |
252b5132 RH |
691 | } |
692 | ||
67a374a5 | 693 | /* The i960 only has a few relocation types: |
252b5132 RH |
694 | abs 32-bit and pcrel 24bit. except for callj's! */ |
695 | if (cache_ptr->howto != 0) | |
696 | ; | |
697 | else if (raw[7] & callj_mask) | |
67a374a5 NC |
698 | { |
699 | cache_ptr->howto = &howto_reloc_callj; | |
700 | } | |
252b5132 | 701 | else if ( raw[7] & pcrel_mask) |
252b5132 | 702 | { |
67a374a5 NC |
703 | if (raw[7] & size_mask) |
704 | cache_ptr->howto = &howto_reloc_pcrel13; | |
705 | else | |
706 | cache_ptr->howto = &howto_reloc_pcrel24; | |
252b5132 | 707 | } |
67a374a5 | 708 | else |
252b5132 | 709 | { |
67a374a5 NC |
710 | if (raw[7] & incode_mask) |
711 | cache_ptr->howto = &howto_reloc_abs32code; | |
712 | else | |
713 | cache_ptr->howto = &howto_reloc_abs32; | |
252b5132 | 714 | } |
67a374a5 | 715 | |
252b5132 | 716 | if (cache_ptr->address < prev_addr) |
252b5132 | 717 | { |
67a374a5 NC |
718 | /* Ouch! this reloc is out of order, insert into the right place. */ |
719 | arelent tmp; | |
720 | arelent *cursor = cache_ptr-1; | |
721 | bfd_vma stop = cache_ptr->address; | |
722 | ||
723 | tmp = *cache_ptr; | |
724 | while (cursor->address > stop && cursor >= reloc_cache) | |
725 | { | |
726 | cursor[1] = cursor[0]; | |
727 | cursor--; | |
728 | } | |
729 | ||
730 | cursor[1] = tmp; | |
252b5132 | 731 | } |
252b5132 | 732 | else |
67a374a5 NC |
733 | { |
734 | prev_addr = cache_ptr->address; | |
735 | } | |
252b5132 RH |
736 | } |
737 | ||
252b5132 RH |
738 | if (relocs != NULL) |
739 | free (relocs); | |
740 | asect->relocation = reloc_cache; | |
741 | asect->reloc_count = count; | |
742 | ||
252b5132 RH |
743 | return true; |
744 | } | |
745 | ||
252b5132 RH |
746 | static boolean |
747 | b_out_squirt_out_relocs (abfd, section) | |
748 | bfd *abfd; | |
749 | asection *section; | |
750 | { | |
751 | arelent **generic; | |
752 | int r_extern = 0; | |
753 | int r_idx; | |
754 | int incode_mask; | |
755 | int len_1; | |
756 | unsigned int count = section->reloc_count; | |
757 | struct relocation_info *native, *natptr; | |
dc810e39 AM |
758 | bfd_size_type natsize; |
759 | int extern_mask, pcrel_mask, len_2, callj_mask; | |
67a374a5 NC |
760 | |
761 | if (count == 0) | |
762 | return true; | |
763 | ||
dc810e39 AM |
764 | generic = section->orelocation; |
765 | natsize = (bfd_size_type) count * sizeof (struct relocation_info); | |
252b5132 RH |
766 | native = ((struct relocation_info *) bfd_malloc (natsize)); |
767 | if (!native && natsize != 0) | |
768 | return false; | |
769 | ||
770 | if (bfd_header_big_endian (abfd)) | |
252b5132 | 771 | { |
67a374a5 NC |
772 | /* Big-endian bit field allocation order. */ |
773 | pcrel_mask = 0x80; | |
774 | extern_mask = 0x10; | |
775 | len_2 = 0x40; | |
776 | len_1 = 0x20; | |
777 | callj_mask = 0x02; | |
778 | incode_mask = 0x08; | |
252b5132 | 779 | } |
67a374a5 | 780 | else |
252b5132 | 781 | { |
67a374a5 NC |
782 | /* Little-endian bit field allocation order. */ |
783 | pcrel_mask = 0x01; | |
784 | extern_mask = 0x08; | |
785 | len_2 = 0x04; | |
786 | len_1 = 0x02; | |
787 | callj_mask = 0x40; | |
788 | incode_mask = 0x10; | |
252b5132 RH |
789 | } |
790 | ||
67a374a5 | 791 | for (natptr = native; count > 0; --count, ++natptr, ++generic) |
252b5132 | 792 | { |
67a374a5 NC |
793 | arelent *g = *generic; |
794 | unsigned char *raw = (unsigned char *)natptr; | |
795 | asymbol *sym = *(g->sym_ptr_ptr); | |
796 | asection *output_section = sym->section->output_section; | |
797 | ||
dc810e39 | 798 | H_PUT_32 (abfd, g->address, raw); |
67a374a5 NC |
799 | /* Find a type in the output format which matches the input howto - |
800 | at the moment we assume input format == output format FIXME!! */ | |
801 | r_idx = 0; | |
802 | /* FIXME: Need callj stuff here, and to check the howto entries to | |
803 | be sure they are real for this architecture. */ | |
804 | if (g->howto== &howto_reloc_callj) | |
805 | raw[7] = callj_mask + pcrel_mask + len_2; | |
806 | else if (g->howto == &howto_reloc_pcrel24) | |
807 | raw[7] = pcrel_mask + len_2; | |
808 | else if (g->howto == &howto_reloc_pcrel13) | |
809 | raw[7] = pcrel_mask + len_1; | |
810 | else if (g->howto == &howto_reloc_abs32code) | |
811 | raw[7] = len_2 + incode_mask; | |
812 | else if (g->howto >= howto_align_table | |
813 | && g->howto <= (howto_align_table | |
814 | + sizeof (howto_align_table) / sizeof (howto_align_table[0]) | |
815 | - 1)) | |
816 | { | |
817 | /* symnum == -2; extern_mask not set, pcrel_mask set. */ | |
818 | r_idx = -2; | |
819 | r_extern = 0; | |
820 | raw[7] = (pcrel_mask | |
821 | | ((g->howto - howto_align_table) << 1)); | |
822 | } | |
823 | else | |
824 | raw[7] = len_2; | |
252b5132 | 825 | |
67a374a5 NC |
826 | if (r_idx != 0) |
827 | /* Already mucked with r_extern, r_idx. */; | |
828 | else if (bfd_is_com_section (output_section) | |
829 | || bfd_is_abs_section (output_section) | |
830 | || bfd_is_und_section (output_section)) | |
831 | { | |
832 | if (bfd_abs_section_ptr->symbol == sym) | |
833 | { | |
834 | /* Whoops, looked like an abs symbol, but is really an offset | |
835 | from the abs section. */ | |
836 | r_idx = 0; | |
837 | r_extern = 0; | |
838 | } | |
839 | else | |
840 | { | |
841 | /* Fill in symbol. */ | |
842 | r_extern = 1; | |
843 | r_idx = (*g->sym_ptr_ptr)->udata.i; | |
844 | } | |
845 | } | |
252b5132 | 846 | else |
67a374a5 NC |
847 | { |
848 | /* Just an ordinary section. */ | |
849 | r_extern = 0; | |
850 | r_idx = output_section->target_index; | |
851 | } | |
252b5132 | 852 | |
67a374a5 NC |
853 | if (bfd_header_big_endian (abfd)) |
854 | { | |
855 | raw[4] = (unsigned char) (r_idx >> 16); | |
856 | raw[5] = (unsigned char) (r_idx >> 8); | |
857 | raw[6] = (unsigned char) (r_idx ); | |
858 | } | |
859 | else | |
860 | { | |
861 | raw[6] = (unsigned char) (r_idx >> 16); | |
862 | raw[5] = (unsigned char) (r_idx>> 8); | |
863 | raw[4] = (unsigned char) (r_idx ); | |
864 | } | |
865 | ||
866 | if (r_extern) | |
867 | raw[7] |= extern_mask; | |
252b5132 RH |
868 | } |
869 | ||
dc810e39 | 870 | if (bfd_bwrite ((PTR) native, natsize, abfd) != natsize) |
67a374a5 NC |
871 | { |
872 | free ((PTR)native); | |
873 | return false; | |
252b5132 | 874 | } |
252b5132 | 875 | |
252b5132 RH |
876 | free ((PTR)native); |
877 | ||
878 | return true; | |
879 | } | |
880 | ||
67a374a5 NC |
881 | /* This is stupid. This function should be a boolean predicate. */ |
882 | ||
252b5132 RH |
883 | static long |
884 | b_out_canonicalize_reloc (abfd, section, relptr, symbols) | |
885 | bfd *abfd; | |
886 | sec_ptr section; | |
887 | arelent **relptr; | |
888 | asymbol **symbols; | |
889 | { | |
890 | arelent *tblptr; | |
891 | unsigned int count; | |
892 | ||
893 | if ((section->flags & SEC_CONSTRUCTOR) != 0) | |
894 | { | |
895 | arelent_chain *chain = section->constructor_chain; | |
67a374a5 | 896 | |
252b5132 RH |
897 | for (count = 0; count < section->reloc_count; count++) |
898 | { | |
899 | *relptr++ = &chain->relent; | |
900 | chain = chain->next; | |
901 | } | |
902 | } | |
903 | else | |
904 | { | |
905 | if (section->relocation == NULL | |
906 | && ! b_out_slurp_reloc_table (abfd, section, symbols)) | |
907 | return -1; | |
908 | ||
909 | tblptr = section->relocation; | |
910 | for (count = 0; count++ < section->reloc_count;) | |
911 | *relptr++ = tblptr++; | |
912 | } | |
913 | ||
914 | *relptr = NULL; | |
915 | ||
916 | return section->reloc_count; | |
917 | } | |
918 | ||
919 | static long | |
920 | b_out_get_reloc_upper_bound (abfd, asect) | |
921 | bfd *abfd; | |
922 | sec_ptr asect; | |
923 | { | |
67a374a5 NC |
924 | if (bfd_get_format (abfd) != bfd_object) |
925 | { | |
926 | bfd_set_error (bfd_error_invalid_operation); | |
927 | return -1; | |
928 | } | |
252b5132 RH |
929 | |
930 | if (asect->flags & SEC_CONSTRUCTOR) | |
931 | return sizeof (arelent *) * (asect->reloc_count + 1); | |
932 | ||
933 | if (asect == obj_datasec (abfd)) | |
934 | return (sizeof (arelent *) * | |
935 | ((exec_hdr(abfd)->a_drsize / sizeof (struct relocation_info)) | |
936 | +1)); | |
937 | ||
938 | if (asect == obj_textsec (abfd)) | |
939 | return (sizeof (arelent *) * | |
940 | ((exec_hdr(abfd)->a_trsize / sizeof (struct relocation_info)) | |
941 | +1)); | |
942 | ||
943 | if (asect == obj_bsssec (abfd)) | |
944 | return 0; | |
945 | ||
946 | bfd_set_error (bfd_error_invalid_operation); | |
947 | return -1; | |
948 | } | |
67a374a5 | 949 | |
252b5132 RH |
950 | \f |
951 | static boolean | |
952 | b_out_set_section_contents (abfd, section, location, offset, count) | |
953 | bfd *abfd; | |
954 | asection *section; | |
955 | PTR location; | |
956 | file_ptr offset; | |
957 | bfd_size_type count; | |
958 | { | |
67a374a5 NC |
959 | if (abfd->output_has_begun == false) |
960 | { | |
961 | /* Set by bfd.c handler. */ | |
962 | if (! aout_32_make_sections (abfd)) | |
963 | return false; | |
252b5132 | 964 | |
67a374a5 NC |
965 | obj_textsec (abfd)->filepos = sizeof (struct internal_exec); |
966 | obj_datasec(abfd)->filepos = obj_textsec(abfd)->filepos | |
967 | + obj_textsec (abfd)->_raw_size; | |
968 | } | |
252b5132 | 969 | |
67a374a5 | 970 | /* Regardless, once we know what we're doing, we might as well get going. */ |
252b5132 RH |
971 | if (bfd_seek (abfd, section->filepos + offset, SEEK_SET) != 0) |
972 | return false; | |
973 | ||
dc810e39 AM |
974 | if (count == 0) |
975 | return true; | |
67a374a5 | 976 | |
dc810e39 | 977 | return bfd_bwrite ((PTR) location, count, abfd) == count; |
252b5132 RH |
978 | } |
979 | ||
980 | static boolean | |
981 | b_out_set_arch_mach (abfd, arch, machine) | |
982 | bfd *abfd; | |
983 | enum bfd_architecture arch; | |
984 | unsigned long machine; | |
985 | { | |
986 | bfd_default_set_arch_mach(abfd, arch, machine); | |
987 | ||
67a374a5 | 988 | if (arch == bfd_arch_unknown) /* Unknown machine arch is OK. */ |
252b5132 | 989 | return true; |
67a374a5 NC |
990 | |
991 | if (arch == bfd_arch_i960) /* i960 default is OK. */ | |
992 | switch (machine) | |
993 | { | |
994 | case bfd_mach_i960_core: | |
995 | case bfd_mach_i960_kb_sb: | |
996 | case bfd_mach_i960_mc: | |
997 | case bfd_mach_i960_xa: | |
998 | case bfd_mach_i960_ca: | |
999 | case bfd_mach_i960_ka_sa: | |
1000 | case bfd_mach_i960_jx: | |
1001 | case bfd_mach_i960_hx: | |
1002 | case 0: | |
1003 | return true; | |
1004 | default: | |
1005 | return false; | |
1006 | } | |
252b5132 RH |
1007 | |
1008 | return false; | |
1009 | } | |
1010 | ||
1011 | static int | |
1012 | b_out_sizeof_headers (ignore_abfd, ignore) | |
5f771d47 ILT |
1013 | bfd *ignore_abfd ATTRIBUTE_UNUSED; |
1014 | boolean ignore ATTRIBUTE_UNUSED; | |
252b5132 | 1015 | { |
eb6e10cb | 1016 | return sizeof (struct internal_exec); |
252b5132 | 1017 | } |
67a374a5 | 1018 | \f |
252b5132 | 1019 | |
252b5132 RH |
1020 | static bfd_vma |
1021 | get_value (reloc, link_info, input_section) | |
1022 | arelent *reloc; | |
1023 | struct bfd_link_info *link_info; | |
1024 | asection *input_section; | |
1025 | { | |
1026 | bfd_vma value; | |
1027 | asymbol *symbol = *(reloc->sym_ptr_ptr); | |
1028 | ||
1029 | /* A symbol holds a pointer to a section, and an offset from the | |
1030 | base of the section. To relocate, we find where the section will | |
67a374a5 | 1031 | live in the output and add that in. */ |
252b5132 RH |
1032 | if (bfd_is_und_section (symbol->section)) |
1033 | { | |
1034 | struct bfd_link_hash_entry *h; | |
1035 | ||
1036 | /* The symbol is undefined in this BFD. Look it up in the | |
1037 | global linker hash table. FIXME: This should be changed when | |
1038 | we convert b.out to use a specific final_link function and | |
1039 | change the interface to bfd_relax_section to not require the | |
1040 | generic symbols. */ | |
1041 | h = bfd_wrapped_link_hash_lookup (input_section->owner, link_info, | |
1042 | bfd_asymbol_name (symbol), | |
1043 | false, false, true); | |
1044 | if (h != (struct bfd_link_hash_entry *) NULL | |
1045 | && (h->type == bfd_link_hash_defined | |
1046 | || h->type == bfd_link_hash_defweak)) | |
1047 | value = h->u.def.value + output_addr (h->u.def.section); | |
1048 | else if (h != (struct bfd_link_hash_entry *) NULL | |
1049 | && h->type == bfd_link_hash_common) | |
1050 | value = h->u.c.size; | |
1051 | else | |
1052 | { | |
1053 | if (! ((*link_info->callbacks->undefined_symbol) | |
1054 | (link_info, bfd_asymbol_name (symbol), | |
5cc7c785 L |
1055 | input_section->owner, input_section, reloc->address, |
1056 | true))) | |
252b5132 RH |
1057 | abort (); |
1058 | value = 0; | |
1059 | } | |
1060 | } | |
1061 | else | |
1062 | { | |
1063 | value = symbol->value + output_addr (symbol->section); | |
1064 | } | |
1065 | ||
67a374a5 | 1066 | /* Add the value contained in the relocation. */ |
252b5132 RH |
1067 | value += reloc->addend; |
1068 | ||
1069 | return value; | |
1070 | } | |
1071 | ||
1072 | static void | |
1073 | perform_slip (abfd, slip, input_section, value) | |
1074 | bfd *abfd; | |
1075 | unsigned int slip; | |
1076 | asection *input_section; | |
1077 | bfd_vma value; | |
1078 | { | |
1079 | asymbol **s; | |
1080 | ||
1081 | s = _bfd_generic_link_get_symbols (abfd); | |
1082 | BFD_ASSERT (s != (asymbol **) NULL); | |
1083 | ||
1084 | /* Find all symbols past this point, and make them know | |
67a374a5 | 1085 | what's happened. */ |
252b5132 | 1086 | while (*s) |
252b5132 | 1087 | { |
67a374a5 | 1088 | asymbol *p = *s; |
252b5132 | 1089 | |
67a374a5 NC |
1090 | if (p->section == input_section) |
1091 | { | |
1092 | /* This was pointing into this section, so mangle it. */ | |
1093 | if (p->value > value) | |
1094 | { | |
1095 | p->value -=slip; | |
252b5132 | 1096 | |
67a374a5 NC |
1097 | if (p->udata.p != NULL) |
1098 | { | |
1099 | struct generic_link_hash_entry *h; | |
1100 | ||
1101 | h = (struct generic_link_hash_entry *) p->udata.p; | |
1102 | BFD_ASSERT (h->root.type == bfd_link_hash_defined); | |
1103 | h->root.u.def.value -= slip; | |
1104 | BFD_ASSERT (h->root.u.def.value == p->value); | |
1105 | } | |
1106 | } | |
1107 | } | |
1108 | s++; | |
1109 | } | |
252b5132 RH |
1110 | } |
1111 | ||
1112 | /* This routine works out if the thing we want to get to can be | |
1113 | reached with a 24bit offset instead of a 32 bit one. | |
67a374a5 | 1114 | If it can, then it changes the amode. */ |
252b5132 RH |
1115 | |
1116 | static int | |
1117 | abs32code (abfd, input_section, r, shrink, link_info) | |
1118 | bfd *abfd; | |
1119 | asection *input_section; | |
1120 | arelent *r; | |
1121 | unsigned int shrink; | |
1122 | struct bfd_link_info *link_info; | |
1123 | { | |
1124 | bfd_vma value = get_value (r, link_info, input_section); | |
1125 | bfd_vma dot = output_addr (input_section) + r->address; | |
1126 | bfd_vma gap; | |
1127 | ||
1128 | /* See if the address we're looking at within 2^23 bytes of where | |
1129 | we are, if so then we can use a small branch rather than the | |
67a374a5 | 1130 | jump we were going to. */ |
252b5132 RH |
1131 | gap = value - (dot - shrink); |
1132 | ||
67a374a5 NC |
1133 | if (-1 << 23 < (long)gap && (long)gap < 1 << 23) |
1134 | { | |
1135 | /* Change the reloc type from 32bitcode possible 24, to 24bit | |
1136 | possible 32. */ | |
1137 | r->howto = &howto_reloc_abs32codeshrunk; | |
1138 | /* The place to relc moves back by four bytes. */ | |
1139 | r->address -=4; | |
1140 | ||
1141 | /* This will be four bytes smaller in the long run. */ | |
1142 | shrink += 4 ; | |
1143 | perform_slip (abfd, 4, input_section, r->address-shrink + 4); | |
1144 | } | |
252b5132 | 1145 | |
252b5132 RH |
1146 | return shrink; |
1147 | } | |
1148 | ||
1149 | static int | |
1150 | aligncode (abfd, input_section, r, shrink) | |
1151 | bfd *abfd; | |
1152 | asection *input_section; | |
1153 | arelent *r; | |
1154 | unsigned int shrink; | |
1155 | { | |
1156 | bfd_vma dot = output_addr (input_section) + r->address; | |
1157 | bfd_vma gap; | |
1158 | bfd_vma old_end; | |
1159 | bfd_vma new_end; | |
dc810e39 | 1160 | unsigned int shrink_delta; |
252b5132 RH |
1161 | int size = r->howto->size; |
1162 | ||
1163 | /* Reduce the size of the alignment so that it's still aligned but | |
1164 | smaller - the current size is already the same size as or bigger | |
1165 | than the alignment required. */ | |
1166 | ||
67a374a5 | 1167 | /* Calculate the first byte following the padding before we optimize. */ |
252b5132 | 1168 | old_end = ((dot + size ) & ~size) + size+1; |
67a374a5 NC |
1169 | /* Work out where the new end will be - remember that we're smaller |
1170 | than we used to be. */ | |
252b5132 RH |
1171 | new_end = ((dot - shrink + size) & ~size); |
1172 | ||
67a374a5 | 1173 | /* This is the new end. */ |
252b5132 RH |
1174 | gap = old_end - ((dot + size) & ~size); |
1175 | ||
1176 | shrink_delta = (old_end - new_end) - shrink; | |
1177 | ||
1178 | if (shrink_delta) | |
67a374a5 NC |
1179 | { |
1180 | /* Change the reloc so that it knows how far to align to. */ | |
1181 | r->howto = howto_done_align_table + (r->howto - howto_align_table); | |
252b5132 | 1182 | |
67a374a5 NC |
1183 | /* Encode the stuff into the addend - for future use we need to |
1184 | know how big the reloc used to be. */ | |
1185 | r->addend = old_end - dot + r->address; | |
1186 | ||
1187 | /* This will be N bytes smaller in the long run, adjust all the symbols. */ | |
1188 | perform_slip (abfd, shrink_delta, input_section, r->address - shrink); | |
1189 | shrink += shrink_delta; | |
1190 | } | |
252b5132 | 1191 | |
252b5132 RH |
1192 | return shrink; |
1193 | } | |
1194 | ||
1195 | static boolean | |
1196 | b_out_bfd_relax_section (abfd, i, link_info, again) | |
1197 | bfd *abfd; | |
1198 | asection *i; | |
1199 | struct bfd_link_info *link_info; | |
1200 | boolean *again; | |
1201 | { | |
67a374a5 | 1202 | /* Get enough memory to hold the stuff. */ |
252b5132 RH |
1203 | bfd *input_bfd = i->owner; |
1204 | asection *input_section = i; | |
dc810e39 | 1205 | unsigned int shrink = 0 ; |
252b5132 | 1206 | arelent **reloc_vector = NULL; |
dc810e39 AM |
1207 | long reloc_size = bfd_get_reloc_upper_bound (input_bfd, |
1208 | input_section); | |
252b5132 RH |
1209 | |
1210 | if (reloc_size < 0) | |
1211 | return false; | |
1212 | ||
1213 | /* We only run this relaxation once. It might work to run it | |
1214 | multiple times, but it hasn't been tested. */ | |
1215 | *again = false; | |
1216 | ||
1217 | if (reloc_size) | |
1218 | { | |
1219 | long reloc_count; | |
1220 | ||
dc810e39 | 1221 | reloc_vector = (arelent **) bfd_malloc ((bfd_size_type) reloc_size); |
252b5132 RH |
1222 | if (reloc_vector == NULL && reloc_size != 0) |
1223 | goto error_return; | |
1224 | ||
67a374a5 | 1225 | /* Get the relocs and think about them. */ |
252b5132 RH |
1226 | reloc_count = |
1227 | bfd_canonicalize_reloc (input_bfd, input_section, reloc_vector, | |
1228 | _bfd_generic_link_get_symbols (input_bfd)); | |
1229 | if (reloc_count < 0) | |
1230 | goto error_return; | |
1231 | if (reloc_count > 0) | |
1232 | { | |
1233 | arelent **parent; | |
67a374a5 | 1234 | |
252b5132 RH |
1235 | for (parent = reloc_vector; *parent; parent++) |
1236 | { | |
1237 | arelent *r = *parent; | |
67a374a5 | 1238 | |
252b5132 RH |
1239 | switch (r->howto->type) |
1240 | { | |
1241 | case ALIGNER: | |
67a374a5 | 1242 | /* An alignment reloc. */ |
252b5132 RH |
1243 | shrink = aligncode (abfd, input_section, r, shrink); |
1244 | break; | |
1245 | case ABS32CODE: | |
67a374a5 | 1246 | /* A 32bit reloc in an addressing mode. */ |
252b5132 RH |
1247 | shrink = abs32code (input_bfd, input_section, r, shrink, |
1248 | link_info); | |
1249 | break; | |
1250 | case ABS32CODE_SHRUNK: | |
dc810e39 | 1251 | shrink += 4; |
252b5132 RH |
1252 | break; |
1253 | } | |
1254 | } | |
1255 | } | |
1256 | } | |
1257 | input_section->_cooked_size = input_section->_raw_size - shrink; | |
1258 | ||
1259 | if (reloc_vector != NULL) | |
1260 | free (reloc_vector); | |
1261 | return true; | |
1262 | error_return: | |
1263 | if (reloc_vector != NULL) | |
1264 | free (reloc_vector); | |
1265 | return false; | |
1266 | } | |
1267 | ||
1268 | static bfd_byte * | |
1269 | b_out_bfd_get_relocated_section_contents (output_bfd, link_info, link_order, | |
1270 | data, relocateable, symbols) | |
1271 | bfd *output_bfd; | |
1272 | struct bfd_link_info *link_info; | |
1273 | struct bfd_link_order *link_order; | |
1274 | bfd_byte *data; | |
1275 | boolean relocateable; | |
1276 | asymbol **symbols; | |
1277 | { | |
67a374a5 | 1278 | /* Get enough memory to hold the stuff. */ |
252b5132 RH |
1279 | bfd *input_bfd = link_order->u.indirect.section->owner; |
1280 | asection *input_section = link_order->u.indirect.section; | |
1281 | long reloc_size = bfd_get_reloc_upper_bound (input_bfd, | |
1282 | input_section); | |
1283 | arelent **reloc_vector = NULL; | |
1284 | long reloc_count; | |
1285 | ||
1286 | if (reloc_size < 0) | |
1287 | goto error_return; | |
1288 | ||
1289 | /* If producing relocateable output, don't bother to relax. */ | |
1290 | if (relocateable) | |
1291 | return bfd_generic_get_relocated_section_contents (output_bfd, link_info, | |
1292 | link_order, | |
1293 | data, relocateable, | |
1294 | symbols); | |
1295 | ||
dc810e39 | 1296 | reloc_vector = (arelent **) bfd_malloc ((bfd_size_type) reloc_size); |
252b5132 RH |
1297 | if (reloc_vector == NULL && reloc_size != 0) |
1298 | goto error_return; | |
1299 | ||
1300 | input_section->reloc_done = 1; | |
1301 | ||
67a374a5 | 1302 | /* Read in the section. */ |
252b5132 RH |
1303 | BFD_ASSERT (true == bfd_get_section_contents (input_bfd, |
1304 | input_section, | |
1305 | data, | |
dc810e39 | 1306 | (bfd_vma) 0, |
252b5132 RH |
1307 | input_section->_raw_size)); |
1308 | ||
1309 | reloc_count = bfd_canonicalize_reloc (input_bfd, | |
1310 | input_section, | |
1311 | reloc_vector, | |
1312 | symbols); | |
1313 | if (reloc_count < 0) | |
1314 | goto error_return; | |
1315 | if (reloc_count > 0) | |
1316 | { | |
1317 | arelent **parent = reloc_vector; | |
1318 | arelent *reloc ; | |
252b5132 RH |
1319 | unsigned int dst_address = 0; |
1320 | unsigned int src_address = 0; | |
1321 | unsigned int run; | |
1322 | unsigned int idx; | |
1323 | ||
67a374a5 | 1324 | /* Find how long a run we can do. */ |
252b5132 RH |
1325 | while (dst_address < link_order->size) |
1326 | { | |
1327 | reloc = *parent; | |
1328 | if (reloc) | |
1329 | { | |
1330 | /* Note that the relaxing didn't tie up the addresses in the | |
1331 | relocation, so we use the original address to work out the | |
67a374a5 | 1332 | run of non-relocated data. */ |
252b5132 RH |
1333 | BFD_ASSERT (reloc->address >= src_address); |
1334 | run = reloc->address - src_address; | |
1335 | parent++; | |
1336 | } | |
1337 | else | |
1338 | { | |
1339 | run = link_order->size - dst_address; | |
1340 | } | |
252b5132 | 1341 | |
67a374a5 NC |
1342 | /* Copy the bytes. */ |
1343 | for (idx = 0; idx < run; idx++) | |
1344 | data[dst_address++] = data[src_address++]; | |
252b5132 | 1345 | |
67a374a5 | 1346 | /* Now do the relocation. */ |
252b5132 RH |
1347 | if (reloc) |
1348 | { | |
1349 | switch (reloc->howto->type) | |
1350 | { | |
1351 | case ABS32CODE: | |
1352 | calljx_callback (input_bfd, link_info, reloc, | |
1353 | src_address + data, dst_address + data, | |
1354 | input_section); | |
67a374a5 NC |
1355 | src_address += 4; |
1356 | dst_address += 4; | |
252b5132 RH |
1357 | break; |
1358 | case ABS32: | |
1359 | bfd_put_32 (input_bfd, | |
1360 | (bfd_get_32 (input_bfd, data + src_address) | |
1361 | + get_value (reloc, link_info, input_section)), | |
1362 | data + dst_address); | |
67a374a5 NC |
1363 | src_address += 4; |
1364 | dst_address += 4; | |
252b5132 RH |
1365 | break; |
1366 | case CALLJ: | |
1367 | callj_callback (input_bfd, link_info, reloc, data, | |
1368 | src_address, dst_address, input_section, | |
1369 | false); | |
67a374a5 NC |
1370 | src_address += 4; |
1371 | dst_address += 4; | |
252b5132 RH |
1372 | break; |
1373 | case ALIGNDONE: | |
1374 | BFD_ASSERT (reloc->addend >= src_address); | |
dc810e39 AM |
1375 | BFD_ASSERT ((bfd_vma) reloc->addend |
1376 | <= input_section->_raw_size); | |
252b5132 RH |
1377 | src_address = reloc->addend; |
1378 | dst_address = ((dst_address + reloc->howto->size) | |
1379 | & ~reloc->howto->size); | |
1380 | break; | |
1381 | case ABS32CODE_SHRUNK: | |
1382 | /* This used to be a callx, but we've found out that a | |
1383 | callj will reach, so do the right thing. */ | |
1384 | callj_callback (input_bfd, link_info, reloc, data, | |
1385 | src_address + 4, dst_address, input_section, | |
1386 | true); | |
67a374a5 NC |
1387 | dst_address += 4; |
1388 | src_address += 8; | |
252b5132 RH |
1389 | break; |
1390 | case PCREL24: | |
1391 | { | |
1392 | long int word = bfd_get_32 (input_bfd, | |
1393 | data + src_address); | |
1394 | bfd_vma value; | |
1395 | ||
1396 | value = get_value (reloc, link_info, input_section); | |
1397 | word = ((word & ~BAL_MASK) | |
1398 | | (((word & BAL_MASK) | |
1399 | + value | |
1400 | - output_addr (input_section) | |
1401 | + reloc->addend) | |
1402 | & BAL_MASK)); | |
1403 | ||
dc810e39 | 1404 | bfd_put_32 (input_bfd, (bfd_vma) word, data + dst_address); |
67a374a5 NC |
1405 | dst_address += 4; |
1406 | src_address += 4; | |
252b5132 RH |
1407 | |
1408 | } | |
1409 | break; | |
252b5132 RH |
1410 | case PCREL13: |
1411 | { | |
1412 | long int word = bfd_get_32 (input_bfd, | |
1413 | data + src_address); | |
1414 | bfd_vma value; | |
1415 | ||
1416 | value = get_value (reloc, link_info, input_section); | |
1417 | word = ((word & ~PCREL13_MASK) | |
1418 | | (((word & PCREL13_MASK) | |
1419 | + value | |
1420 | + reloc->addend | |
1421 | - output_addr (input_section)) | |
1422 | & PCREL13_MASK)); | |
1423 | ||
dc810e39 | 1424 | bfd_put_32 (input_bfd, (bfd_vma) word, data + dst_address); |
67a374a5 NC |
1425 | dst_address += 4; |
1426 | src_address += 4; | |
252b5132 RH |
1427 | } |
1428 | break; | |
1429 | ||
1430 | default: | |
eb6e10cb | 1431 | abort (); |
252b5132 RH |
1432 | } |
1433 | } | |
1434 | } | |
1435 | } | |
1436 | if (reloc_vector != NULL) | |
1437 | free (reloc_vector); | |
1438 | return data; | |
1439 | error_return: | |
1440 | if (reloc_vector != NULL) | |
1441 | free (reloc_vector); | |
1442 | return NULL; | |
1443 | } | |
67a374a5 | 1444 | \f |
252b5132 RH |
1445 | |
1446 | /* Build the transfer vectors for Big and Little-Endian B.OUT files. */ | |
1447 | ||
1448 | #define aout_32_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol | |
1449 | #define aout_32_close_and_cleanup aout_32_bfd_free_cached_info | |
1450 | ||
1451 | #define b_out_bfd_link_hash_table_create _bfd_generic_link_hash_table_create | |
1452 | #define b_out_bfd_link_add_symbols _bfd_generic_link_add_symbols | |
1453 | #define b_out_bfd_final_link _bfd_generic_final_link | |
1454 | #define b_out_bfd_link_split_section _bfd_generic_link_split_section | |
1455 | #define b_out_bfd_gc_sections bfd_generic_gc_sections | |
8550eb6e | 1456 | #define b_out_bfd_merge_sections bfd_generic_merge_sections |
252b5132 RH |
1457 | |
1458 | #define aout_32_get_section_contents_in_window \ | |
1459 | _bfd_generic_get_section_contents_in_window | |
1460 | ||
c3c89269 NC |
1461 | extern const bfd_target b_out_vec_little_host; |
1462 | ||
252b5132 RH |
1463 | const bfd_target b_out_vec_big_host = |
1464 | { | |
1465 | "b.out.big", /* name */ | |
1466 | bfd_target_aout_flavour, | |
1467 | BFD_ENDIAN_LITTLE, /* data byte order is little */ | |
1468 | BFD_ENDIAN_BIG, /* hdr byte order is big */ | |
1469 | (HAS_RELOC | EXEC_P | /* object flags */ | |
1470 | HAS_LINENO | HAS_DEBUG | | |
1471 | HAS_SYMS | HAS_LOCALS | WP_TEXT | BFD_IS_RELAXABLE ), | |
1472 | (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_CODE | SEC_DATA), | |
1473 | '_', /* symbol leading char */ | |
1474 | ' ', /* ar_pad_char */ | |
1475 | 16, /* ar_max_namelen */ | |
1476 | ||
1477 | bfd_getl64, bfd_getl_signed_64, bfd_putl64, | |
1478 | bfd_getl32, bfd_getl_signed_32, bfd_putl32, | |
1479 | bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */ | |
1480 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, | |
1481 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, | |
1482 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */ | |
1483 | {_bfd_dummy_target, b_out_object_p, /* bfd_check_format */ | |
1484 | bfd_generic_archive_p, _bfd_dummy_target}, | |
1485 | {bfd_false, b_out_mkobject, /* bfd_set_format */ | |
1486 | _bfd_generic_mkarchive, bfd_false}, | |
1487 | {bfd_false, b_out_write_object_contents, /* bfd_write_contents */ | |
1488 | _bfd_write_archive_contents, bfd_false}, | |
1489 | ||
1490 | BFD_JUMP_TABLE_GENERIC (aout_32), | |
1491 | BFD_JUMP_TABLE_COPY (_bfd_generic), | |
1492 | BFD_JUMP_TABLE_CORE (_bfd_nocore), | |
1493 | BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd), | |
1494 | BFD_JUMP_TABLE_SYMBOLS (aout_32), | |
1495 | BFD_JUMP_TABLE_RELOCS (b_out), | |
1496 | BFD_JUMP_TABLE_WRITE (b_out), | |
1497 | BFD_JUMP_TABLE_LINK (b_out), | |
1498 | BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), | |
1499 | ||
c3c89269 | 1500 | & b_out_vec_little_host, |
aebad5fe | 1501 | |
252b5132 RH |
1502 | (PTR) 0, |
1503 | }; | |
1504 | ||
252b5132 RH |
1505 | const bfd_target b_out_vec_little_host = |
1506 | { | |
1507 | "b.out.little", /* name */ | |
1508 | bfd_target_aout_flavour, | |
1509 | BFD_ENDIAN_LITTLE, /* data byte order is little */ | |
1510 | BFD_ENDIAN_LITTLE, /* header byte order is little */ | |
1511 | (HAS_RELOC | EXEC_P | /* object flags */ | |
1512 | HAS_LINENO | HAS_DEBUG | | |
1513 | HAS_SYMS | HAS_LOCALS | WP_TEXT | BFD_IS_RELAXABLE ), | |
1514 | (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_CODE | SEC_DATA), | |
1515 | '_', /* symbol leading char */ | |
1516 | ' ', /* ar_pad_char */ | |
1517 | 16, /* ar_max_namelen */ | |
1518 | bfd_getl64, bfd_getl_signed_64, bfd_putl64, | |
1519 | bfd_getl32, bfd_getl_signed_32, bfd_putl32, | |
1520 | bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */ | |
1521 | bfd_getl64, bfd_getl_signed_64, bfd_putl64, | |
1522 | bfd_getl32, bfd_getl_signed_32, bfd_putl32, | |
1523 | bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */ | |
1524 | ||
1525 | {_bfd_dummy_target, b_out_object_p, /* bfd_check_format */ | |
1526 | bfd_generic_archive_p, _bfd_dummy_target}, | |
1527 | {bfd_false, b_out_mkobject, /* bfd_set_format */ | |
1528 | _bfd_generic_mkarchive, bfd_false}, | |
1529 | {bfd_false, b_out_write_object_contents, /* bfd_write_contents */ | |
1530 | _bfd_write_archive_contents, bfd_false}, | |
1531 | ||
1532 | BFD_JUMP_TABLE_GENERIC (aout_32), | |
1533 | BFD_JUMP_TABLE_COPY (_bfd_generic), | |
1534 | BFD_JUMP_TABLE_CORE (_bfd_nocore), | |
1535 | BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd), | |
1536 | BFD_JUMP_TABLE_SYMBOLS (aout_32), | |
1537 | BFD_JUMP_TABLE_RELOCS (b_out), | |
1538 | BFD_JUMP_TABLE_WRITE (b_out), | |
1539 | BFD_JUMP_TABLE_LINK (b_out), | |
1540 | BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), | |
1541 | ||
c3c89269 | 1542 | & b_out_vec_big_host, |
aebad5fe | 1543 | |
252b5132 RH |
1544 | (PTR) 0 |
1545 | }; |