Commit | Line | Data |
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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, |
9553c638 | 3 | 2000, 2001, 2002, 2003, 2004, 2005 |
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 | ||
b34976b6 AM |
33 | static int aligncode |
34 | PARAMS ((bfd *abfd, asection *input_section, arelent *r, | |
35 | unsigned int shrink)); | |
36 | static void perform_slip | |
37 | PARAMS ((bfd *abfd, unsigned int slip, asection *input_section, | |
38 | bfd_vma value)); | |
39 | static bfd_boolean b_out_squirt_out_relocs | |
40 | PARAMS ((bfd *abfd, asection *section)); | |
41 | static const bfd_target *b_out_callback | |
42 | PARAMS ((bfd *)); | |
43 | static bfd_reloc_status_type calljx_callback | |
44 | PARAMS ((bfd *, struct bfd_link_info *, arelent *, PTR src, PTR dst, | |
45 | asection *)); | |
46 | static bfd_reloc_status_type callj_callback | |
47 | PARAMS ((bfd *, struct bfd_link_info *, arelent *, PTR data, | |
48 | unsigned int srcidx, unsigned int dstidx, asection *, bfd_boolean)); | |
49 | static bfd_vma get_value | |
50 | PARAMS ((arelent *, struct bfd_link_info *, asection *)); | |
51 | static int abs32code | |
52 | PARAMS ((bfd *, asection *, arelent *, unsigned int, | |
53 | struct bfd_link_info *)); | |
54 | static bfd_boolean b_out_bfd_relax_section | |
55 | PARAMS ((bfd *, asection *, struct bfd_link_info *, bfd_boolean *)); | |
56 | static bfd_byte *b_out_bfd_get_relocated_section_contents | |
57 | PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_order *, bfd_byte *, | |
58 | bfd_boolean, asymbol **)); | |
59 | static int b_out_sizeof_headers | |
60 | PARAMS ((bfd *, bfd_boolean)); | |
61 | static bfd_boolean b_out_set_arch_mach | |
62 | PARAMS ((bfd *, enum bfd_architecture, unsigned long)); | |
63 | static bfd_boolean b_out_set_section_contents | |
0f867abe | 64 | PARAMS ((bfd *, asection *, const PTR, file_ptr, bfd_size_type)); |
b34976b6 AM |
65 | static long b_out_get_reloc_upper_bound |
66 | PARAMS ((bfd *, sec_ptr)); | |
67 | static long b_out_canonicalize_reloc | |
68 | PARAMS ((bfd *, sec_ptr, arelent **, asymbol **)); | |
69 | static bfd_boolean b_out_slurp_reloc_table | |
70 | PARAMS ((bfd *, sec_ptr, asymbol **)); | |
71 | static reloc_howto_type *b_out_bfd_reloc_type_lookup | |
72 | PARAMS ((bfd *, bfd_reloc_code_real_type)); | |
73 | static bfd_boolean b_out_write_object_contents | |
74 | PARAMS ((bfd *)); | |
75 | static int b_out_symbol_cmp | |
76 | PARAMS ((const void *, const void *)); | |
77 | static bfd_boolean b_out_mkobject | |
78 | PARAMS ((bfd *)); | |
79 | static const bfd_target *b_out_object_p | |
80 | PARAMS ((bfd *)); | |
81 | ||
82 | void bout_swap_exec_header_in | |
83 | PARAMS ((bfd *, struct external_exec *, struct internal_exec *)); | |
84 | void bout_swap_exec_header_out | |
85 | PARAMS ((bfd *, struct internal_exec *, struct external_exec *)); | |
252b5132 RH |
86 | |
87 | /* Swaps the information in an executable header taken from a raw byte | |
88 | stream memory image, into the internal exec_header structure. */ | |
89 | ||
90 | void | |
91 | bout_swap_exec_header_in (abfd, raw_bytes, execp) | |
92 | bfd *abfd; | |
93 | struct external_exec *raw_bytes; | |
94 | struct internal_exec *execp; | |
95 | { | |
96 | struct external_exec *bytes = (struct external_exec *)raw_bytes; | |
97 | ||
98 | /* Now fill in fields in the execp, from the bytes in the raw data. */ | |
dc810e39 | 99 | execp->a_info = H_GET_32 (abfd, bytes->e_info); |
252b5132 RH |
100 | execp->a_text = GET_WORD (abfd, bytes->e_text); |
101 | execp->a_data = GET_WORD (abfd, bytes->e_data); | |
102 | execp->a_bss = GET_WORD (abfd, bytes->e_bss); | |
103 | execp->a_syms = GET_WORD (abfd, bytes->e_syms); | |
104 | execp->a_entry = GET_WORD (abfd, bytes->e_entry); | |
105 | execp->a_trsize = GET_WORD (abfd, bytes->e_trsize); | |
106 | execp->a_drsize = GET_WORD (abfd, bytes->e_drsize); | |
107 | execp->a_tload = GET_WORD (abfd, bytes->e_tload); | |
108 | execp->a_dload = GET_WORD (abfd, bytes->e_dload); | |
109 | execp->a_talign = bytes->e_talign[0]; | |
110 | execp->a_dalign = bytes->e_dalign[0]; | |
111 | execp->a_balign = bytes->e_balign[0]; | |
112 | execp->a_relaxable = bytes->e_relaxable[0]; | |
113 | } | |
114 | ||
115 | /* Swaps the information in an internal exec header structure into the | |
116 | supplied buffer ready for writing to disk. */ | |
117 | ||
252b5132 RH |
118 | void |
119 | bout_swap_exec_header_out (abfd, execp, raw_bytes) | |
120 | bfd *abfd; | |
121 | struct internal_exec *execp; | |
122 | struct external_exec *raw_bytes; | |
123 | { | |
124 | struct external_exec *bytes = (struct external_exec *)raw_bytes; | |
125 | ||
aebad5fe | 126 | /* Now fill in fields in the raw data, from the fields in the exec struct. */ |
dc810e39 | 127 | H_PUT_32 (abfd, execp->a_info , bytes->e_info); |
252b5132 RH |
128 | PUT_WORD (abfd, execp->a_text , bytes->e_text); |
129 | PUT_WORD (abfd, execp->a_data , bytes->e_data); | |
130 | PUT_WORD (abfd, execp->a_bss , bytes->e_bss); | |
131 | PUT_WORD (abfd, execp->a_syms , bytes->e_syms); | |
132 | PUT_WORD (abfd, execp->a_entry , bytes->e_entry); | |
133 | PUT_WORD (abfd, execp->a_trsize, bytes->e_trsize); | |
134 | PUT_WORD (abfd, execp->a_drsize, bytes->e_drsize); | |
135 | PUT_WORD (abfd, execp->a_tload , bytes->e_tload); | |
136 | PUT_WORD (abfd, execp->a_dload , bytes->e_dload); | |
137 | bytes->e_talign[0] = execp->a_talign; | |
138 | bytes->e_dalign[0] = execp->a_dalign; | |
139 | bytes->e_balign[0] = execp->a_balign; | |
140 | bytes->e_relaxable[0] = execp->a_relaxable; | |
141 | } | |
142 | ||
252b5132 RH |
143 | static const bfd_target * |
144 | b_out_object_p (abfd) | |
145 | bfd *abfd; | |
146 | { | |
147 | struct internal_exec anexec; | |
148 | struct external_exec exec_bytes; | |
dc810e39 | 149 | bfd_size_type amt = EXEC_BYTES_SIZE; |
252b5132 | 150 | |
dc810e39 | 151 | if (bfd_bread ((PTR) &exec_bytes, amt, abfd) != amt) |
67a374a5 NC |
152 | { |
153 | if (bfd_get_error () != bfd_error_system_call) | |
154 | bfd_set_error (bfd_error_wrong_format); | |
155 | return 0; | |
156 | } | |
252b5132 | 157 | |
dc810e39 | 158 | anexec.a_info = H_GET_32 (abfd, exec_bytes.e_info); |
252b5132 | 159 | |
67a374a5 NC |
160 | if (N_BADMAG (anexec)) |
161 | { | |
162 | bfd_set_error (bfd_error_wrong_format); | |
163 | return 0; | |
164 | } | |
252b5132 RH |
165 | |
166 | bout_swap_exec_header_in (abfd, &exec_bytes, &anexec); | |
167 | return aout_32_some_aout_object_p (abfd, &anexec, b_out_callback); | |
168 | } | |
169 | ||
252b5132 RH |
170 | /* Finish up the opening of a b.out file for reading. Fill in all the |
171 | fields that are not handled by common code. */ | |
172 | ||
173 | static const bfd_target * | |
174 | b_out_callback (abfd) | |
175 | bfd *abfd; | |
176 | { | |
177 | struct internal_exec *execp = exec_hdr (abfd); | |
178 | unsigned long bss_start; | |
179 | ||
67a374a5 | 180 | /* Architecture and machine type. */ |
252b5132 RH |
181 | bfd_set_arch_mach(abfd, |
182 | bfd_arch_i960, /* B.out only used on i960 */ | |
183 | bfd_mach_i960_core /* Default */ | |
184 | ); | |
185 | ||
186 | /* The positions of the string table and symbol table. */ | |
187 | obj_str_filepos (abfd) = N_STROFF (*execp); | |
188 | obj_sym_filepos (abfd) = N_SYMOFF (*execp); | |
189 | ||
67a374a5 | 190 | /* The alignments of the sections. */ |
252b5132 RH |
191 | obj_textsec (abfd)->alignment_power = execp->a_talign; |
192 | obj_datasec (abfd)->alignment_power = execp->a_dalign; | |
193 | obj_bsssec (abfd)->alignment_power = execp->a_balign; | |
194 | ||
195 | /* The starting addresses of the sections. */ | |
196 | obj_textsec (abfd)->vma = execp->a_tload; | |
197 | obj_datasec (abfd)->vma = execp->a_dload; | |
198 | ||
199 | obj_textsec (abfd)->lma = obj_textsec (abfd)->vma; | |
200 | obj_datasec (abfd)->lma = obj_datasec (abfd)->vma; | |
201 | ||
67a374a5 | 202 | /* And reload the sizes, since the aout module zaps them. */ |
eea6121a | 203 | obj_textsec (abfd)->size = execp->a_text; |
252b5132 RH |
204 | |
205 | bss_start = execp->a_dload + execp->a_data; /* BSS = end of data section */ | |
206 | obj_bsssec (abfd)->vma = align_power (bss_start, execp->a_balign); | |
207 | ||
208 | obj_bsssec (abfd)->lma = obj_bsssec (abfd)->vma; | |
209 | ||
67a374a5 | 210 | /* The file positions of the sections. */ |
252b5132 RH |
211 | obj_textsec (abfd)->filepos = N_TXTOFF(*execp); |
212 | obj_datasec (abfd)->filepos = N_DATOFF(*execp); | |
213 | ||
67a374a5 | 214 | /* The file positions of the relocation info. */ |
252b5132 RH |
215 | obj_textsec (abfd)->rel_filepos = N_TROFF(*execp); |
216 | obj_datasec (abfd)->rel_filepos = N_DROFF(*execp); | |
217 | ||
aebad5fe KH |
218 | adata(abfd).page_size = 1; /* Not applicable. */ |
219 | adata(abfd).segment_size = 1; /* Not applicable. */ | |
252b5132 RH |
220 | adata(abfd).exec_bytes_size = EXEC_BYTES_SIZE; |
221 | ||
222 | if (execp->a_relaxable) | |
223 | abfd->flags |= BFD_IS_RELAXABLE; | |
224 | return abfd->xvec; | |
225 | } | |
226 | ||
67a374a5 NC |
227 | struct bout_data_struct |
228 | { | |
252b5132 RH |
229 | struct aoutdata a; |
230 | struct internal_exec e; | |
67a374a5 | 231 | }; |
252b5132 | 232 | |
b34976b6 | 233 | static bfd_boolean |
252b5132 RH |
234 | b_out_mkobject (abfd) |
235 | bfd *abfd; | |
236 | { | |
237 | struct bout_data_struct *rawptr; | |
dc810e39 | 238 | bfd_size_type amt = sizeof (struct bout_data_struct); |
252b5132 | 239 | |
dc810e39 | 240 | rawptr = (struct bout_data_struct *) bfd_zalloc (abfd, amt); |
252b5132 | 241 | if (rawptr == NULL) |
b34976b6 | 242 | return FALSE; |
252b5132 RH |
243 | |
244 | abfd->tdata.bout_data = rawptr; | |
245 | exec_hdr (abfd) = &rawptr->e; | |
246 | ||
dc810e39 AM |
247 | obj_textsec (abfd) = (asection *) NULL; |
248 | obj_datasec (abfd) = (asection *) NULL; | |
249 | obj_bsssec (abfd) = (asection *) NULL; | |
252b5132 | 250 | |
b34976b6 | 251 | return TRUE; |
252b5132 RH |
252 | } |
253 | ||
254 | static int | |
67a374a5 NC |
255 | b_out_symbol_cmp (a_ptr, b_ptr) |
256 | const void * a_ptr; | |
257 | const void * b_ptr; | |
252b5132 | 258 | { |
67a374a5 NC |
259 | struct aout_symbol ** a = (struct aout_symbol **) a_ptr; |
260 | struct aout_symbol ** b = (struct aout_symbol **) b_ptr; | |
252b5132 RH |
261 | asection *sec; |
262 | bfd_vma av, bv; | |
263 | ||
67a374a5 | 264 | /* Primary key is address. */ |
252b5132 RH |
265 | sec = bfd_get_section (&(*a)->symbol); |
266 | av = sec->output_section->vma + sec->output_offset + (*a)->symbol.value; | |
267 | sec = bfd_get_section (&(*b)->symbol); | |
268 | bv = sec->output_section->vma + sec->output_offset + (*b)->symbol.value; | |
269 | ||
270 | if (av < bv) | |
271 | return -1; | |
272 | if (av > bv) | |
273 | return 1; | |
274 | ||
275 | /* Secondary key puts CALLNAME syms last and BALNAME syms first, so | |
276 | that they have the best chance of being contiguous. */ | |
277 | if (IS_BALNAME ((*a)->other) || IS_CALLNAME ((*b)->other)) | |
278 | return -1; | |
279 | if (IS_CALLNAME ((*a)->other) || IS_BALNAME ((*b)->other)) | |
280 | return 1; | |
281 | ||
282 | return 0; | |
283 | } | |
284 | ||
b34976b6 | 285 | static bfd_boolean |
252b5132 RH |
286 | b_out_write_object_contents (abfd) |
287 | bfd *abfd; | |
288 | { | |
289 | struct external_exec swapped_hdr; | |
dc810e39 | 290 | bfd_size_type amt; |
252b5132 RH |
291 | |
292 | if (! aout_32_make_sections (abfd)) | |
b34976b6 | 293 | return FALSE; |
252b5132 RH |
294 | |
295 | exec_hdr (abfd)->a_info = BMAGIC; | |
296 | ||
eea6121a AM |
297 | exec_hdr (abfd)->a_text = obj_textsec (abfd)->size; |
298 | exec_hdr (abfd)->a_data = obj_datasec (abfd)->size; | |
299 | exec_hdr (abfd)->a_bss = obj_bsssec (abfd)->size; | |
70bfecec | 300 | exec_hdr (abfd)->a_syms = bfd_get_symcount (abfd) * 12; |
252b5132 | 301 | exec_hdr (abfd)->a_entry = bfd_get_start_address (abfd); |
70bfecec AM |
302 | exec_hdr (abfd)->a_trsize = (obj_textsec (abfd)->reloc_count) * 8; |
303 | exec_hdr (abfd)->a_drsize = (obj_datasec (abfd)->reloc_count) * 8; | |
252b5132 RH |
304 | |
305 | exec_hdr (abfd)->a_talign = obj_textsec (abfd)->alignment_power; | |
306 | exec_hdr (abfd)->a_dalign = obj_datasec (abfd)->alignment_power; | |
307 | exec_hdr (abfd)->a_balign = obj_bsssec (abfd)->alignment_power; | |
308 | ||
309 | exec_hdr (abfd)->a_tload = obj_textsec (abfd)->vma; | |
310 | exec_hdr (abfd)->a_dload = obj_datasec (abfd)->vma; | |
311 | ||
312 | bout_swap_exec_header_out (abfd, exec_hdr (abfd), &swapped_hdr); | |
313 | ||
dc810e39 | 314 | amt = EXEC_BYTES_SIZE; |
252b5132 | 315 | if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0 |
dc810e39 | 316 | || bfd_bwrite ((PTR) &swapped_hdr, amt, abfd) != amt) |
b34976b6 | 317 | return FALSE; |
252b5132 RH |
318 | |
319 | /* Now write out reloc info, followed by syms and strings */ | |
320 | if (bfd_get_symcount (abfd) != 0) | |
321 | { | |
322 | /* Make sure {CALL,BAL}NAME symbols remain adjacent on output | |
323 | by sorting. This is complicated by the fact that stabs are | |
324 | also ordered. Solve this by shifting all stabs to the end | |
325 | in order, then sorting the rest. */ | |
326 | ||
327 | asymbol **outsyms, **p, **q; | |
328 | ||
329 | outsyms = bfd_get_outsymbols (abfd); | |
330 | p = outsyms + bfd_get_symcount (abfd); | |
331 | ||
332 | for (q = p--; p >= outsyms; p--) | |
333 | { | |
334 | if ((*p)->flags & BSF_DEBUGGING) | |
335 | { | |
336 | asymbol *t = *--q; | |
337 | *q = *p; | |
338 | *p = t; | |
339 | } | |
340 | } | |
341 | ||
342 | if (q > outsyms) | |
dc810e39 AM |
343 | qsort (outsyms, (size_t) (q - outsyms), sizeof (asymbol*), |
344 | b_out_symbol_cmp); | |
252b5132 RH |
345 | |
346 | /* Back to your regularly scheduled program. */ | |
eb6e10cb | 347 | if (bfd_seek (abfd, (file_ptr) (N_SYMOFF(*exec_hdr(abfd))), SEEK_SET) |
252b5132 | 348 | != 0) |
b34976b6 | 349 | return FALSE; |
252b5132 RH |
350 | |
351 | if (! aout_32_write_syms (abfd)) | |
b34976b6 | 352 | return FALSE; |
252b5132 | 353 | |
dc810e39 AM |
354 | if (bfd_seek (abfd, (file_ptr) (N_TROFF(*exec_hdr(abfd))), SEEK_SET) |
355 | != 0) | |
b34976b6 | 356 | return FALSE; |
252b5132 | 357 | |
b34976b6 AM |
358 | if (!b_out_squirt_out_relocs (abfd, obj_textsec (abfd))) |
359 | return FALSE; | |
eb6e10cb | 360 | if (bfd_seek (abfd, (file_ptr) (N_DROFF(*exec_hdr(abfd))), SEEK_SET) |
252b5132 | 361 | != 0) |
b34976b6 | 362 | return FALSE; |
252b5132 | 363 | |
b34976b6 AM |
364 | if (!b_out_squirt_out_relocs (abfd, obj_datasec (abfd))) |
365 | return FALSE; | |
252b5132 | 366 | } |
b34976b6 | 367 | return TRUE; |
252b5132 RH |
368 | } |
369 | \f | |
67a374a5 | 370 | /* Some reloc hackery. */ |
252b5132 RH |
371 | |
372 | #define CALLS 0x66003800 /* Template for 'calls' instruction */ | |
67a374a5 | 373 | #define BAL 0x0b000000 /* Template for 'bal' instruction */ |
252b5132 RH |
374 | #define BAL_MASK 0x00ffffff |
375 | #define BALX 0x85f00000 /* Template for 'balx' instruction */ | |
376 | #define BALX_MASK 0x0007ffff | |
377 | #define CALL 0x09000000 | |
378 | #define PCREL13_MASK 0x1fff | |
379 | ||
252b5132 RH |
380 | #define output_addr(sec) ((sec)->output_offset+(sec)->output_section->vma) |
381 | ||
67a374a5 NC |
382 | /* Magic to turn callx into calljx. */ |
383 | ||
252b5132 RH |
384 | static bfd_reloc_status_type |
385 | calljx_callback (abfd, link_info, reloc_entry, src, dst, input_section) | |
386 | bfd *abfd; | |
387 | struct bfd_link_info *link_info; | |
388 | arelent *reloc_entry; | |
389 | PTR src; | |
390 | PTR dst; | |
391 | asection *input_section; | |
392 | { | |
393 | int word = bfd_get_32 (abfd, src); | |
394 | asymbol *symbol_in = *(reloc_entry->sym_ptr_ptr); | |
395 | aout_symbol_type *symbol = aout_symbol (symbol_in); | |
396 | bfd_vma value; | |
397 | ||
398 | value = get_value (reloc_entry, link_info, input_section); | |
399 | ||
400 | if (IS_CALLNAME (symbol->other)) | |
401 | { | |
402 | aout_symbol_type *balsym = symbol+1; | |
403 | int inst = bfd_get_32 (abfd, (bfd_byte *) src-4); | |
67a374a5 | 404 | /* The next symbol should be an N_BALNAME. */ |
252b5132 RH |
405 | BFD_ASSERT (IS_BALNAME (balsym->other)); |
406 | inst &= BALX_MASK; | |
407 | inst |= BALX; | |
dc810e39 | 408 | bfd_put_32 (abfd, (bfd_vma) inst, (bfd_byte *) dst-4); |
252b5132 RH |
409 | symbol = balsym; |
410 | value = (symbol->symbol.value | |
411 | + output_addr (symbol->symbol.section)); | |
412 | } | |
413 | ||
414 | word += value + reloc_entry->addend; | |
415 | ||
dc810e39 | 416 | bfd_put_32 (abfd, (bfd_vma) word, dst); |
252b5132 RH |
417 | return bfd_reloc_ok; |
418 | } | |
419 | ||
67a374a5 NC |
420 | /* Magic to turn call into callj. */ |
421 | ||
252b5132 RH |
422 | static bfd_reloc_status_type |
423 | callj_callback (abfd, link_info, reloc_entry, data, srcidx, dstidx, | |
424 | input_section, shrinking) | |
425 | bfd *abfd; | |
426 | struct bfd_link_info *link_info; | |
427 | arelent *reloc_entry; | |
428 | PTR data; | |
429 | unsigned int srcidx; | |
430 | unsigned int dstidx; | |
431 | asection *input_section; | |
b34976b6 | 432 | bfd_boolean shrinking; |
252b5132 RH |
433 | { |
434 | int word = bfd_get_32 (abfd, (bfd_byte *) data + srcidx); | |
435 | asymbol *symbol_in = *(reloc_entry->sym_ptr_ptr); | |
436 | aout_symbol_type *symbol = aout_symbol (symbol_in); | |
437 | bfd_vma value; | |
438 | ||
439 | value = get_value (reloc_entry, link_info, input_section); | |
440 | ||
441 | if (IS_OTHER(symbol->other)) | |
442 | { | |
443 | /* Call to a system procedure - replace code with system | |
444 | procedure number. */ | |
445 | word = CALLS | (symbol->other - 1); | |
446 | } | |
447 | else if (IS_CALLNAME(symbol->other)) | |
448 | { | |
449 | aout_symbol_type *balsym = symbol+1; | |
450 | ||
451 | /* The next symbol should be an N_BALNAME. */ | |
452 | BFD_ASSERT(IS_BALNAME(balsym->other)); | |
aebad5fe | 453 | |
252b5132 RH |
454 | /* We are calling a leaf, so replace the call instruction with a |
455 | bal. */ | |
456 | word = BAL | ((word | |
457 | + output_addr (balsym->symbol.section) | |
458 | + balsym->symbol.value + reloc_entry->addend | |
459 | - dstidx | |
460 | - output_addr (input_section)) | |
461 | & BAL_MASK); | |
462 | } | |
463 | else if ((symbol->symbol.flags & BSF_SECTION_SYM) != 0) | |
464 | { | |
465 | /* A callj against a symbol in the same section is a fully | |
466 | resolved relative call. We don't need to do anything here. | |
467 | If the symbol is not in the same section, I'm not sure what | |
468 | to do; fortunately, this case will probably never arise. */ | |
469 | BFD_ASSERT (! shrinking); | |
470 | BFD_ASSERT (symbol->symbol.section == input_section); | |
471 | } | |
472 | else | |
473 | { | |
474 | word = CALL | (((word & BAL_MASK) | |
475 | + value | |
476 | + reloc_entry->addend | |
477 | - (shrinking ? dstidx : 0) | |
478 | - output_addr (input_section)) | |
479 | & BAL_MASK); | |
480 | } | |
dc810e39 | 481 | bfd_put_32 (abfd, (bfd_vma) word, (bfd_byte *) data + dstidx); |
252b5132 RH |
482 | return bfd_reloc_ok; |
483 | } | |
484 | ||
485 | /* type rshift size bitsize pcrel bitpos absolute overflow check*/ | |
486 | ||
487 | #define ABS32CODE 0 | |
488 | #define ABS32CODE_SHRUNK 1 | |
489 | #define PCREL24 2 | |
490 | #define CALLJ 3 | |
491 | #define ABS32 4 | |
492 | #define PCREL13 5 | |
493 | #define ABS32_MAYBE_RELAXABLE 1 | |
494 | #define ABS32_WAS_RELAXABLE 2 | |
495 | ||
496 | #define ALIGNER 10 | |
497 | #define ALIGNDONE 11 | |
498 | static reloc_howto_type howto_reloc_callj = | |
b34976b6 | 499 | HOWTO(CALLJ, 0, 2, 24, TRUE, 0, complain_overflow_signed, 0,"callj", TRUE, 0x00ffffff, 0x00ffffff,FALSE); |
252b5132 | 500 | static reloc_howto_type howto_reloc_abs32 = |
b34976b6 | 501 | HOWTO(ABS32, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,0,"abs32", TRUE, 0xffffffff,0xffffffff,FALSE); |
252b5132 | 502 | static reloc_howto_type howto_reloc_pcrel24 = |
b34976b6 | 503 | HOWTO(PCREL24, 0, 2, 24, TRUE, 0, complain_overflow_signed,0,"pcrel24", TRUE, 0x00ffffff,0x00ffffff,FALSE); |
252b5132 RH |
504 | |
505 | static reloc_howto_type howto_reloc_pcrel13 = | |
b34976b6 | 506 | HOWTO(PCREL13, 0, 2, 13, TRUE, 0, complain_overflow_signed,0,"pcrel13", TRUE, 0x00001fff,0x00001fff,FALSE); |
252b5132 | 507 | |
252b5132 | 508 | static reloc_howto_type howto_reloc_abs32codeshrunk = |
b34976b6 | 509 | HOWTO(ABS32CODE_SHRUNK, 0, 2, 24, TRUE, 0, complain_overflow_signed, 0,"callx->callj", TRUE, 0x00ffffff, 0x00ffffff,FALSE); |
252b5132 RH |
510 | |
511 | static reloc_howto_type howto_reloc_abs32code = | |
b34976b6 | 512 | HOWTO(ABS32CODE, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,0,"callx", TRUE, 0xffffffff,0xffffffff,FALSE); |
252b5132 RH |
513 | |
514 | static reloc_howto_type howto_align_table[] = { | |
b34976b6 AM |
515 | HOWTO (ALIGNER, 0, 0x1, 0, FALSE, 0, complain_overflow_dont, 0, "align16", FALSE, 0, 0, FALSE), |
516 | HOWTO (ALIGNER, 0, 0x3, 0, FALSE, 0, complain_overflow_dont, 0, "align32", FALSE, 0, 0, FALSE), | |
517 | HOWTO (ALIGNER, 0, 0x7, 0, FALSE, 0, complain_overflow_dont, 0, "align64", FALSE, 0, 0, FALSE), | |
518 | HOWTO (ALIGNER, 0, 0xf, 0, FALSE, 0, complain_overflow_dont, 0, "align128", FALSE, 0, 0, FALSE), | |
252b5132 RH |
519 | }; |
520 | ||
521 | static reloc_howto_type howto_done_align_table[] = { | |
b34976b6 AM |
522 | HOWTO (ALIGNDONE, 0x1, 0x1, 0, FALSE, 0, complain_overflow_dont, 0, "donealign16", FALSE, 0, 0, FALSE), |
523 | HOWTO (ALIGNDONE, 0x3, 0x3, 0, FALSE, 0, complain_overflow_dont, 0, "donealign32", FALSE, 0, 0, FALSE), | |
524 | HOWTO (ALIGNDONE, 0x7, 0x7, 0, FALSE, 0, complain_overflow_dont, 0, "donealign64", FALSE, 0, 0, FALSE), | |
525 | HOWTO (ALIGNDONE, 0xf, 0xf, 0, FALSE, 0, complain_overflow_dont, 0, "donealign128", FALSE, 0, 0, FALSE), | |
252b5132 RH |
526 | }; |
527 | ||
528 | static reloc_howto_type * | |
529 | b_out_bfd_reloc_type_lookup (abfd, code) | |
5f771d47 | 530 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 RH |
531 | bfd_reloc_code_real_type code; |
532 | { | |
533 | switch (code) | |
534 | { | |
535 | default: | |
536 | return 0; | |
537 | case BFD_RELOC_I960_CALLJ: | |
538 | return &howto_reloc_callj; | |
539 | case BFD_RELOC_32: | |
540 | case BFD_RELOC_CTOR: | |
541 | return &howto_reloc_abs32; | |
542 | case BFD_RELOC_24_PCREL: | |
543 | return &howto_reloc_pcrel24; | |
544 | } | |
545 | } | |
546 | ||
67a374a5 | 547 | /* Allocate enough room for all the reloc entries, plus pointers to them all. */ |
252b5132 | 548 | |
b34976b6 | 549 | static bfd_boolean |
252b5132 RH |
550 | b_out_slurp_reloc_table (abfd, asect, symbols) |
551 | bfd *abfd; | |
552 | sec_ptr asect; | |
553 | asymbol **symbols; | |
554 | { | |
555 | register struct relocation_info *rptr; | |
dc810e39 AM |
556 | unsigned int counter; |
557 | arelent *cache_ptr; | |
252b5132 RH |
558 | int extern_mask, pcrel_mask, callj_mask, length_shift; |
559 | int incode_mask; | |
560 | int size_mask; | |
561 | bfd_vma prev_addr = 0; | |
562 | unsigned int count; | |
dc810e39 | 563 | bfd_size_type reloc_size, amt; |
252b5132 RH |
564 | struct relocation_info *relocs; |
565 | arelent *reloc_cache; | |
566 | ||
567 | if (asect->relocation) | |
b34976b6 | 568 | return TRUE; |
67a374a5 | 569 | |
252b5132 | 570 | if (!aout_32_slurp_symbol_table (abfd)) |
b34976b6 | 571 | return FALSE; |
252b5132 | 572 | |
67a374a5 NC |
573 | if (asect == obj_datasec (abfd)) |
574 | { | |
575 | reloc_size = exec_hdr(abfd)->a_drsize; | |
576 | goto doit; | |
577 | } | |
252b5132 | 578 | |
67a374a5 NC |
579 | if (asect == obj_textsec (abfd)) |
580 | { | |
581 | reloc_size = exec_hdr(abfd)->a_trsize; | |
582 | goto doit; | |
583 | } | |
252b5132 | 584 | |
67a374a5 NC |
585 | if (asect == obj_bsssec (abfd)) |
586 | { | |
587 | reloc_size = 0; | |
588 | goto doit; | |
589 | } | |
252b5132 RH |
590 | |
591 | bfd_set_error (bfd_error_invalid_operation); | |
b34976b6 | 592 | return FALSE; |
252b5132 RH |
593 | |
594 | doit: | |
dc810e39 | 595 | if (bfd_seek (abfd, asect->rel_filepos, SEEK_SET) != 0) |
b34976b6 | 596 | return FALSE; |
252b5132 RH |
597 | count = reloc_size / sizeof (struct relocation_info); |
598 | ||
599 | relocs = (struct relocation_info *) bfd_malloc (reloc_size); | |
600 | if (!relocs && reloc_size != 0) | |
b34976b6 | 601 | return FALSE; |
67a374a5 | 602 | |
dc810e39 AM |
603 | amt = ((bfd_size_type) count + 1) * sizeof (arelent); |
604 | reloc_cache = (arelent *) bfd_malloc (amt); | |
67a374a5 NC |
605 | if (!reloc_cache) |
606 | { | |
607 | if (relocs != NULL) | |
dc810e39 | 608 | free (relocs); |
b34976b6 | 609 | return FALSE; |
67a374a5 | 610 | } |
252b5132 | 611 | |
dc810e39 | 612 | if (bfd_bread ((PTR) relocs, reloc_size, abfd) != reloc_size) |
67a374a5 NC |
613 | { |
614 | free (reloc_cache); | |
615 | if (relocs != NULL) | |
616 | free (relocs); | |
b34976b6 | 617 | return FALSE; |
67a374a5 | 618 | } |
252b5132 | 619 | |
67a374a5 NC |
620 | if (bfd_header_big_endian (abfd)) |
621 | { | |
622 | /* Big-endian bit field allocation order. */ | |
623 | pcrel_mask = 0x80; | |
624 | extern_mask = 0x10; | |
625 | incode_mask = 0x08; | |
626 | callj_mask = 0x02; | |
627 | size_mask = 0x20; | |
628 | length_shift = 5; | |
629 | } | |
630 | else | |
631 | { | |
632 | /* Little-endian bit field allocation order. */ | |
633 | pcrel_mask = 0x01; | |
634 | extern_mask = 0x08; | |
635 | incode_mask = 0x10; | |
636 | callj_mask = 0x40; | |
637 | size_mask = 0x02; | |
638 | length_shift = 1; | |
639 | } | |
252b5132 RH |
640 | |
641 | for (rptr = relocs, cache_ptr = reloc_cache, counter = 0; | |
642 | counter < count; | |
643 | counter++, rptr++, cache_ptr++) | |
644 | { | |
645 | unsigned char *raw = (unsigned char *)rptr; | |
646 | unsigned int symnum; | |
67a374a5 | 647 | |
dc810e39 | 648 | cache_ptr->address = H_GET_32 (abfd, raw + 0); |
252b5132 | 649 | cache_ptr->howto = 0; |
67a374a5 | 650 | |
252b5132 | 651 | if (bfd_header_big_endian (abfd)) |
252b5132 | 652 | symnum = (raw[4] << 16) | (raw[5] << 8) | raw[6]; |
252b5132 | 653 | else |
252b5132 | 654 | symnum = (raw[6] << 16) | (raw[5] << 8) | raw[4]; |
252b5132 RH |
655 | |
656 | if (raw[7] & extern_mask) | |
67a374a5 | 657 | { |
08da05b0 | 658 | /* If this is set then the r_index is an index into the symbol table; |
67a374a5 NC |
659 | if the bit is not set then r_index contains a section map. |
660 | We either fill in the sym entry with a pointer to the symbol, | |
661 | or point to the correct section. */ | |
252b5132 RH |
662 | cache_ptr->sym_ptr_ptr = symbols + symnum; |
663 | cache_ptr->addend = 0; | |
67a374a5 NC |
664 | } |
665 | else | |
252b5132 | 666 | { |
67a374a5 NC |
667 | /* In a.out symbols are relative to the beginning of the |
668 | file rather than sections ? | |
669 | (look in translate_from_native_sym_flags) | |
670 | The reloc entry addend has added to it the offset into the | |
671 | file of the data, so subtract the base to make the reloc | |
672 | section relative. */ | |
673 | int s; | |
674 | ||
675 | /* Sign-extend symnum from 24 bits to whatever host uses. */ | |
252b5132 RH |
676 | s = symnum; |
677 | if (s & (1 << 23)) | |
678 | s |= (~0) << 24; | |
67a374a5 NC |
679 | |
680 | cache_ptr->sym_ptr_ptr = (asymbol **)NULL; | |
681 | switch (s) | |
252b5132 | 682 | { |
67a374a5 NC |
683 | case N_TEXT: |
684 | case N_TEXT | N_EXT: | |
685 | cache_ptr->sym_ptr_ptr = obj_textsec (abfd)->symbol_ptr_ptr; | |
686 | cache_ptr->addend = - obj_textsec (abfd)->vma; | |
687 | break; | |
688 | case N_DATA: | |
689 | case N_DATA | N_EXT: | |
690 | cache_ptr->sym_ptr_ptr = obj_datasec (abfd)->symbol_ptr_ptr; | |
691 | cache_ptr->addend = - obj_datasec (abfd)->vma; | |
692 | break; | |
693 | case N_BSS: | |
694 | case N_BSS | N_EXT: | |
695 | cache_ptr->sym_ptr_ptr = obj_bsssec (abfd)->symbol_ptr_ptr; | |
696 | cache_ptr->addend = - obj_bsssec (abfd)->vma; | |
697 | break; | |
698 | case N_ABS: | |
699 | case N_ABS | N_EXT: | |
700 | cache_ptr->sym_ptr_ptr = obj_bsssec (abfd)->symbol_ptr_ptr; | |
701 | cache_ptr->addend = 0; | |
702 | break; | |
703 | case -2: /* .align */ | |
704 | if (raw[7] & pcrel_mask) | |
705 | { | |
706 | cache_ptr->howto = &howto_align_table[(raw[7] >> length_shift) & 3]; | |
707 | cache_ptr->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; | |
708 | } | |
709 | else | |
710 | { | |
711 | /* .org? */ | |
712 | abort (); | |
713 | } | |
714 | cache_ptr->addend = 0; | |
715 | break; | |
716 | default: | |
717 | BFD_ASSERT(0); | |
718 | break; | |
252b5132 | 719 | } |
252b5132 RH |
720 | } |
721 | ||
67a374a5 | 722 | /* The i960 only has a few relocation types: |
252b5132 RH |
723 | abs 32-bit and pcrel 24bit. except for callj's! */ |
724 | if (cache_ptr->howto != 0) | |
725 | ; | |
726 | else if (raw[7] & callj_mask) | |
67a374a5 NC |
727 | { |
728 | cache_ptr->howto = &howto_reloc_callj; | |
729 | } | |
252b5132 | 730 | else if ( raw[7] & pcrel_mask) |
252b5132 | 731 | { |
67a374a5 NC |
732 | if (raw[7] & size_mask) |
733 | cache_ptr->howto = &howto_reloc_pcrel13; | |
734 | else | |
735 | cache_ptr->howto = &howto_reloc_pcrel24; | |
252b5132 | 736 | } |
67a374a5 | 737 | else |
252b5132 | 738 | { |
67a374a5 NC |
739 | if (raw[7] & incode_mask) |
740 | cache_ptr->howto = &howto_reloc_abs32code; | |
741 | else | |
742 | cache_ptr->howto = &howto_reloc_abs32; | |
252b5132 | 743 | } |
67a374a5 | 744 | |
252b5132 | 745 | if (cache_ptr->address < prev_addr) |
252b5132 | 746 | { |
67a374a5 NC |
747 | /* Ouch! this reloc is out of order, insert into the right place. */ |
748 | arelent tmp; | |
749 | arelent *cursor = cache_ptr-1; | |
750 | bfd_vma stop = cache_ptr->address; | |
751 | ||
752 | tmp = *cache_ptr; | |
753 | while (cursor->address > stop && cursor >= reloc_cache) | |
754 | { | |
755 | cursor[1] = cursor[0]; | |
756 | cursor--; | |
757 | } | |
758 | ||
759 | cursor[1] = tmp; | |
252b5132 | 760 | } |
252b5132 | 761 | else |
67a374a5 NC |
762 | { |
763 | prev_addr = cache_ptr->address; | |
764 | } | |
252b5132 RH |
765 | } |
766 | ||
252b5132 RH |
767 | if (relocs != NULL) |
768 | free (relocs); | |
769 | asect->relocation = reloc_cache; | |
770 | asect->reloc_count = count; | |
771 | ||
b34976b6 | 772 | return TRUE; |
252b5132 RH |
773 | } |
774 | ||
b34976b6 | 775 | static bfd_boolean |
252b5132 RH |
776 | b_out_squirt_out_relocs (abfd, section) |
777 | bfd *abfd; | |
778 | asection *section; | |
779 | { | |
780 | arelent **generic; | |
781 | int r_extern = 0; | |
782 | int r_idx; | |
783 | int incode_mask; | |
784 | int len_1; | |
785 | unsigned int count = section->reloc_count; | |
786 | struct relocation_info *native, *natptr; | |
dc810e39 AM |
787 | bfd_size_type natsize; |
788 | int extern_mask, pcrel_mask, len_2, callj_mask; | |
67a374a5 NC |
789 | |
790 | if (count == 0) | |
b34976b6 | 791 | return TRUE; |
67a374a5 | 792 | |
dc810e39 AM |
793 | generic = section->orelocation; |
794 | natsize = (bfd_size_type) count * sizeof (struct relocation_info); | |
252b5132 RH |
795 | native = ((struct relocation_info *) bfd_malloc (natsize)); |
796 | if (!native && natsize != 0) | |
b34976b6 | 797 | return FALSE; |
252b5132 RH |
798 | |
799 | if (bfd_header_big_endian (abfd)) | |
252b5132 | 800 | { |
67a374a5 NC |
801 | /* Big-endian bit field allocation order. */ |
802 | pcrel_mask = 0x80; | |
803 | extern_mask = 0x10; | |
804 | len_2 = 0x40; | |
805 | len_1 = 0x20; | |
806 | callj_mask = 0x02; | |
807 | incode_mask = 0x08; | |
252b5132 | 808 | } |
67a374a5 | 809 | else |
252b5132 | 810 | { |
67a374a5 NC |
811 | /* Little-endian bit field allocation order. */ |
812 | pcrel_mask = 0x01; | |
813 | extern_mask = 0x08; | |
814 | len_2 = 0x04; | |
815 | len_1 = 0x02; | |
816 | callj_mask = 0x40; | |
817 | incode_mask = 0x10; | |
252b5132 RH |
818 | } |
819 | ||
67a374a5 | 820 | for (natptr = native; count > 0; --count, ++natptr, ++generic) |
252b5132 | 821 | { |
67a374a5 NC |
822 | arelent *g = *generic; |
823 | unsigned char *raw = (unsigned char *)natptr; | |
824 | asymbol *sym = *(g->sym_ptr_ptr); | |
825 | asection *output_section = sym->section->output_section; | |
826 | ||
dc810e39 | 827 | H_PUT_32 (abfd, g->address, raw); |
67a374a5 NC |
828 | /* Find a type in the output format which matches the input howto - |
829 | at the moment we assume input format == output format FIXME!! */ | |
830 | r_idx = 0; | |
831 | /* FIXME: Need callj stuff here, and to check the howto entries to | |
832 | be sure they are real for this architecture. */ | |
833 | if (g->howto== &howto_reloc_callj) | |
834 | raw[7] = callj_mask + pcrel_mask + len_2; | |
835 | else if (g->howto == &howto_reloc_pcrel24) | |
836 | raw[7] = pcrel_mask + len_2; | |
837 | else if (g->howto == &howto_reloc_pcrel13) | |
838 | raw[7] = pcrel_mask + len_1; | |
839 | else if (g->howto == &howto_reloc_abs32code) | |
840 | raw[7] = len_2 + incode_mask; | |
841 | else if (g->howto >= howto_align_table | |
842 | && g->howto <= (howto_align_table | |
843 | + sizeof (howto_align_table) / sizeof (howto_align_table[0]) | |
844 | - 1)) | |
845 | { | |
846 | /* symnum == -2; extern_mask not set, pcrel_mask set. */ | |
847 | r_idx = -2; | |
848 | r_extern = 0; | |
849 | raw[7] = (pcrel_mask | |
850 | | ((g->howto - howto_align_table) << 1)); | |
851 | } | |
852 | else | |
853 | raw[7] = len_2; | |
252b5132 | 854 | |
67a374a5 NC |
855 | if (r_idx != 0) |
856 | /* Already mucked with r_extern, r_idx. */; | |
857 | else if (bfd_is_com_section (output_section) | |
858 | || bfd_is_abs_section (output_section) | |
859 | || bfd_is_und_section (output_section)) | |
860 | { | |
861 | if (bfd_abs_section_ptr->symbol == sym) | |
862 | { | |
863 | /* Whoops, looked like an abs symbol, but is really an offset | |
864 | from the abs section. */ | |
865 | r_idx = 0; | |
866 | r_extern = 0; | |
867 | } | |
868 | else | |
869 | { | |
870 | /* Fill in symbol. */ | |
871 | r_extern = 1; | |
872 | r_idx = (*g->sym_ptr_ptr)->udata.i; | |
873 | } | |
874 | } | |
252b5132 | 875 | else |
67a374a5 NC |
876 | { |
877 | /* Just an ordinary section. */ | |
878 | r_extern = 0; | |
879 | r_idx = output_section->target_index; | |
880 | } | |
252b5132 | 881 | |
67a374a5 NC |
882 | if (bfd_header_big_endian (abfd)) |
883 | { | |
884 | raw[4] = (unsigned char) (r_idx >> 16); | |
885 | raw[5] = (unsigned char) (r_idx >> 8); | |
886 | raw[6] = (unsigned char) (r_idx ); | |
887 | } | |
888 | else | |
889 | { | |
890 | raw[6] = (unsigned char) (r_idx >> 16); | |
891 | raw[5] = (unsigned char) (r_idx>> 8); | |
892 | raw[4] = (unsigned char) (r_idx ); | |
893 | } | |
894 | ||
895 | if (r_extern) | |
896 | raw[7] |= extern_mask; | |
252b5132 RH |
897 | } |
898 | ||
dc810e39 | 899 | if (bfd_bwrite ((PTR) native, natsize, abfd) != natsize) |
67a374a5 NC |
900 | { |
901 | free ((PTR)native); | |
b34976b6 | 902 | return FALSE; |
252b5132 | 903 | } |
252b5132 | 904 | |
252b5132 RH |
905 | free ((PTR)native); |
906 | ||
b34976b6 | 907 | return TRUE; |
252b5132 RH |
908 | } |
909 | ||
67a374a5 NC |
910 | /* This is stupid. This function should be a boolean predicate. */ |
911 | ||
252b5132 RH |
912 | static long |
913 | b_out_canonicalize_reloc (abfd, section, relptr, symbols) | |
914 | bfd *abfd; | |
915 | sec_ptr section; | |
916 | arelent **relptr; | |
917 | asymbol **symbols; | |
918 | { | |
919 | arelent *tblptr; | |
920 | unsigned int count; | |
921 | ||
922 | if ((section->flags & SEC_CONSTRUCTOR) != 0) | |
923 | { | |
924 | arelent_chain *chain = section->constructor_chain; | |
67a374a5 | 925 | |
252b5132 RH |
926 | for (count = 0; count < section->reloc_count; count++) |
927 | { | |
928 | *relptr++ = &chain->relent; | |
929 | chain = chain->next; | |
930 | } | |
931 | } | |
932 | else | |
933 | { | |
934 | if (section->relocation == NULL | |
935 | && ! b_out_slurp_reloc_table (abfd, section, symbols)) | |
936 | return -1; | |
937 | ||
938 | tblptr = section->relocation; | |
939 | for (count = 0; count++ < section->reloc_count;) | |
940 | *relptr++ = tblptr++; | |
941 | } | |
942 | ||
943 | *relptr = NULL; | |
944 | ||
945 | return section->reloc_count; | |
946 | } | |
947 | ||
948 | static long | |
949 | b_out_get_reloc_upper_bound (abfd, asect) | |
950 | bfd *abfd; | |
951 | sec_ptr asect; | |
952 | { | |
67a374a5 NC |
953 | if (bfd_get_format (abfd) != bfd_object) |
954 | { | |
955 | bfd_set_error (bfd_error_invalid_operation); | |
956 | return -1; | |
957 | } | |
252b5132 RH |
958 | |
959 | if (asect->flags & SEC_CONSTRUCTOR) | |
960 | return sizeof (arelent *) * (asect->reloc_count + 1); | |
961 | ||
962 | if (asect == obj_datasec (abfd)) | |
963 | return (sizeof (arelent *) * | |
964 | ((exec_hdr(abfd)->a_drsize / sizeof (struct relocation_info)) | |
965 | +1)); | |
966 | ||
967 | if (asect == obj_textsec (abfd)) | |
968 | return (sizeof (arelent *) * | |
969 | ((exec_hdr(abfd)->a_trsize / sizeof (struct relocation_info)) | |
970 | +1)); | |
971 | ||
972 | if (asect == obj_bsssec (abfd)) | |
973 | return 0; | |
974 | ||
975 | bfd_set_error (bfd_error_invalid_operation); | |
976 | return -1; | |
977 | } | |
67a374a5 | 978 | |
252b5132 | 979 | \f |
b34976b6 | 980 | static bfd_boolean |
252b5132 RH |
981 | b_out_set_section_contents (abfd, section, location, offset, count) |
982 | bfd *abfd; | |
983 | asection *section; | |
0f867abe | 984 | const PTR location; |
252b5132 RH |
985 | file_ptr offset; |
986 | bfd_size_type count; | |
987 | { | |
82e51918 | 988 | if (! abfd->output_has_begun) |
67a374a5 NC |
989 | { |
990 | /* Set by bfd.c handler. */ | |
991 | if (! aout_32_make_sections (abfd)) | |
b34976b6 | 992 | return FALSE; |
252b5132 | 993 | |
70bfecec | 994 | obj_textsec (abfd)->filepos = sizeof (struct external_exec); |
67a374a5 | 995 | obj_datasec(abfd)->filepos = obj_textsec(abfd)->filepos |
eea6121a | 996 | + obj_textsec (abfd)->size; |
67a374a5 | 997 | } |
252b5132 | 998 | |
67a374a5 | 999 | /* Regardless, once we know what we're doing, we might as well get going. */ |
252b5132 | 1000 | if (bfd_seek (abfd, section->filepos + offset, SEEK_SET) != 0) |
b34976b6 | 1001 | return FALSE; |
252b5132 | 1002 | |
dc810e39 | 1003 | if (count == 0) |
b34976b6 | 1004 | return TRUE; |
67a374a5 | 1005 | |
dc810e39 | 1006 | return bfd_bwrite ((PTR) location, count, abfd) == count; |
252b5132 RH |
1007 | } |
1008 | ||
b34976b6 | 1009 | static bfd_boolean |
252b5132 RH |
1010 | b_out_set_arch_mach (abfd, arch, machine) |
1011 | bfd *abfd; | |
1012 | enum bfd_architecture arch; | |
1013 | unsigned long machine; | |
1014 | { | |
1015 | bfd_default_set_arch_mach(abfd, arch, machine); | |
1016 | ||
67a374a5 | 1017 | if (arch == bfd_arch_unknown) /* Unknown machine arch is OK. */ |
b34976b6 | 1018 | return TRUE; |
67a374a5 NC |
1019 | |
1020 | if (arch == bfd_arch_i960) /* i960 default is OK. */ | |
1021 | switch (machine) | |
1022 | { | |
1023 | case bfd_mach_i960_core: | |
1024 | case bfd_mach_i960_kb_sb: | |
1025 | case bfd_mach_i960_mc: | |
1026 | case bfd_mach_i960_xa: | |
1027 | case bfd_mach_i960_ca: | |
1028 | case bfd_mach_i960_ka_sa: | |
1029 | case bfd_mach_i960_jx: | |
1030 | case bfd_mach_i960_hx: | |
1031 | case 0: | |
b34976b6 | 1032 | return TRUE; |
67a374a5 | 1033 | default: |
b34976b6 | 1034 | return FALSE; |
67a374a5 | 1035 | } |
252b5132 | 1036 | |
b34976b6 | 1037 | return FALSE; |
252b5132 RH |
1038 | } |
1039 | ||
1040 | static int | |
1041 | b_out_sizeof_headers (ignore_abfd, ignore) | |
5f771d47 | 1042 | bfd *ignore_abfd ATTRIBUTE_UNUSED; |
b34976b6 | 1043 | bfd_boolean ignore ATTRIBUTE_UNUSED; |
252b5132 | 1044 | { |
70bfecec | 1045 | return sizeof (struct external_exec); |
252b5132 | 1046 | } |
67a374a5 | 1047 | \f |
252b5132 | 1048 | |
252b5132 RH |
1049 | static bfd_vma |
1050 | get_value (reloc, link_info, input_section) | |
1051 | arelent *reloc; | |
1052 | struct bfd_link_info *link_info; | |
1053 | asection *input_section; | |
1054 | { | |
1055 | bfd_vma value; | |
1056 | asymbol *symbol = *(reloc->sym_ptr_ptr); | |
1057 | ||
1058 | /* A symbol holds a pointer to a section, and an offset from the | |
1059 | base of the section. To relocate, we find where the section will | |
67a374a5 | 1060 | live in the output and add that in. */ |
252b5132 RH |
1061 | if (bfd_is_und_section (symbol->section)) |
1062 | { | |
1063 | struct bfd_link_hash_entry *h; | |
1064 | ||
1065 | /* The symbol is undefined in this BFD. Look it up in the | |
1066 | global linker hash table. FIXME: This should be changed when | |
1067 | we convert b.out to use a specific final_link function and | |
1068 | change the interface to bfd_relax_section to not require the | |
1069 | generic symbols. */ | |
1070 | h = bfd_wrapped_link_hash_lookup (input_section->owner, link_info, | |
1071 | bfd_asymbol_name (symbol), | |
b34976b6 | 1072 | FALSE, FALSE, TRUE); |
252b5132 RH |
1073 | if (h != (struct bfd_link_hash_entry *) NULL |
1074 | && (h->type == bfd_link_hash_defined | |
1075 | || h->type == bfd_link_hash_defweak)) | |
1076 | value = h->u.def.value + output_addr (h->u.def.section); | |
1077 | else if (h != (struct bfd_link_hash_entry *) NULL | |
1078 | && h->type == bfd_link_hash_common) | |
1079 | value = h->u.c.size; | |
1080 | else | |
1081 | { | |
1082 | if (! ((*link_info->callbacks->undefined_symbol) | |
1083 | (link_info, bfd_asymbol_name (symbol), | |
5cc7c785 | 1084 | input_section->owner, input_section, reloc->address, |
b34976b6 | 1085 | TRUE))) |
252b5132 RH |
1086 | abort (); |
1087 | value = 0; | |
1088 | } | |
1089 | } | |
1090 | else | |
1091 | { | |
1092 | value = symbol->value + output_addr (symbol->section); | |
1093 | } | |
1094 | ||
67a374a5 | 1095 | /* Add the value contained in the relocation. */ |
252b5132 RH |
1096 | value += reloc->addend; |
1097 | ||
1098 | return value; | |
1099 | } | |
1100 | ||
1101 | static void | |
1102 | perform_slip (abfd, slip, input_section, value) | |
1103 | bfd *abfd; | |
1104 | unsigned int slip; | |
1105 | asection *input_section; | |
1106 | bfd_vma value; | |
1107 | { | |
1108 | asymbol **s; | |
1109 | ||
1110 | s = _bfd_generic_link_get_symbols (abfd); | |
1111 | BFD_ASSERT (s != (asymbol **) NULL); | |
1112 | ||
1113 | /* Find all symbols past this point, and make them know | |
67a374a5 | 1114 | what's happened. */ |
252b5132 | 1115 | while (*s) |
252b5132 | 1116 | { |
67a374a5 | 1117 | asymbol *p = *s; |
252b5132 | 1118 | |
67a374a5 NC |
1119 | if (p->section == input_section) |
1120 | { | |
1121 | /* This was pointing into this section, so mangle it. */ | |
1122 | if (p->value > value) | |
1123 | { | |
1124 | p->value -=slip; | |
252b5132 | 1125 | |
67a374a5 NC |
1126 | if (p->udata.p != NULL) |
1127 | { | |
1128 | struct generic_link_hash_entry *h; | |
1129 | ||
1130 | h = (struct generic_link_hash_entry *) p->udata.p; | |
1131 | BFD_ASSERT (h->root.type == bfd_link_hash_defined); | |
1132 | h->root.u.def.value -= slip; | |
1133 | BFD_ASSERT (h->root.u.def.value == p->value); | |
1134 | } | |
1135 | } | |
1136 | } | |
1137 | s++; | |
1138 | } | |
252b5132 RH |
1139 | } |
1140 | ||
1141 | /* This routine works out if the thing we want to get to can be | |
1142 | reached with a 24bit offset instead of a 32 bit one. | |
67a374a5 | 1143 | If it can, then it changes the amode. */ |
252b5132 RH |
1144 | |
1145 | static int | |
1146 | abs32code (abfd, input_section, r, shrink, link_info) | |
1147 | bfd *abfd; | |
1148 | asection *input_section; | |
1149 | arelent *r; | |
1150 | unsigned int shrink; | |
1151 | struct bfd_link_info *link_info; | |
1152 | { | |
1153 | bfd_vma value = get_value (r, link_info, input_section); | |
1154 | bfd_vma dot = output_addr (input_section) + r->address; | |
1155 | bfd_vma gap; | |
1156 | ||
1157 | /* See if the address we're looking at within 2^23 bytes of where | |
1158 | we are, if so then we can use a small branch rather than the | |
67a374a5 | 1159 | jump we were going to. */ |
252b5132 RH |
1160 | gap = value - (dot - shrink); |
1161 | ||
67a374a5 NC |
1162 | if (-1 << 23 < (long)gap && (long)gap < 1 << 23) |
1163 | { | |
1164 | /* Change the reloc type from 32bitcode possible 24, to 24bit | |
1165 | possible 32. */ | |
1166 | r->howto = &howto_reloc_abs32codeshrunk; | |
1167 | /* The place to relc moves back by four bytes. */ | |
1168 | r->address -=4; | |
1169 | ||
1170 | /* This will be four bytes smaller in the long run. */ | |
1171 | shrink += 4 ; | |
1172 | perform_slip (abfd, 4, input_section, r->address-shrink + 4); | |
1173 | } | |
252b5132 | 1174 | |
252b5132 RH |
1175 | return shrink; |
1176 | } | |
1177 | ||
1178 | static int | |
1179 | aligncode (abfd, input_section, r, shrink) | |
1180 | bfd *abfd; | |
1181 | asection *input_section; | |
1182 | arelent *r; | |
1183 | unsigned int shrink; | |
1184 | { | |
1185 | bfd_vma dot = output_addr (input_section) + r->address; | |
1186 | bfd_vma gap; | |
1187 | bfd_vma old_end; | |
1188 | bfd_vma new_end; | |
dc810e39 | 1189 | unsigned int shrink_delta; |
252b5132 RH |
1190 | int size = r->howto->size; |
1191 | ||
1192 | /* Reduce the size of the alignment so that it's still aligned but | |
1193 | smaller - the current size is already the same size as or bigger | |
1194 | than the alignment required. */ | |
1195 | ||
67a374a5 | 1196 | /* Calculate the first byte following the padding before we optimize. */ |
252b5132 | 1197 | old_end = ((dot + size ) & ~size) + size+1; |
67a374a5 NC |
1198 | /* Work out where the new end will be - remember that we're smaller |
1199 | than we used to be. */ | |
252b5132 RH |
1200 | new_end = ((dot - shrink + size) & ~size); |
1201 | ||
67a374a5 | 1202 | /* This is the new end. */ |
252b5132 RH |
1203 | gap = old_end - ((dot + size) & ~size); |
1204 | ||
1205 | shrink_delta = (old_end - new_end) - shrink; | |
1206 | ||
1207 | if (shrink_delta) | |
67a374a5 NC |
1208 | { |
1209 | /* Change the reloc so that it knows how far to align to. */ | |
1210 | r->howto = howto_done_align_table + (r->howto - howto_align_table); | |
252b5132 | 1211 | |
67a374a5 NC |
1212 | /* Encode the stuff into the addend - for future use we need to |
1213 | know how big the reloc used to be. */ | |
1214 | r->addend = old_end - dot + r->address; | |
1215 | ||
1216 | /* This will be N bytes smaller in the long run, adjust all the symbols. */ | |
1217 | perform_slip (abfd, shrink_delta, input_section, r->address - shrink); | |
1218 | shrink += shrink_delta; | |
1219 | } | |
252b5132 | 1220 | |
252b5132 RH |
1221 | return shrink; |
1222 | } | |
1223 | ||
b34976b6 | 1224 | static bfd_boolean |
252b5132 RH |
1225 | b_out_bfd_relax_section (abfd, i, link_info, again) |
1226 | bfd *abfd; | |
1227 | asection *i; | |
1228 | struct bfd_link_info *link_info; | |
b34976b6 | 1229 | bfd_boolean *again; |
252b5132 | 1230 | { |
67a374a5 | 1231 | /* Get enough memory to hold the stuff. */ |
252b5132 RH |
1232 | bfd *input_bfd = i->owner; |
1233 | asection *input_section = i; | |
dc810e39 | 1234 | unsigned int shrink = 0 ; |
252b5132 | 1235 | arelent **reloc_vector = NULL; |
dc810e39 AM |
1236 | long reloc_size = bfd_get_reloc_upper_bound (input_bfd, |
1237 | input_section); | |
252b5132 RH |
1238 | |
1239 | if (reloc_size < 0) | |
b34976b6 | 1240 | return FALSE; |
252b5132 RH |
1241 | |
1242 | /* We only run this relaxation once. It might work to run it | |
1243 | multiple times, but it hasn't been tested. */ | |
b34976b6 | 1244 | *again = FALSE; |
252b5132 RH |
1245 | |
1246 | if (reloc_size) | |
1247 | { | |
1248 | long reloc_count; | |
1249 | ||
dc810e39 | 1250 | reloc_vector = (arelent **) bfd_malloc ((bfd_size_type) reloc_size); |
252b5132 RH |
1251 | if (reloc_vector == NULL && reloc_size != 0) |
1252 | goto error_return; | |
1253 | ||
67a374a5 | 1254 | /* Get the relocs and think about them. */ |
252b5132 RH |
1255 | reloc_count = |
1256 | bfd_canonicalize_reloc (input_bfd, input_section, reloc_vector, | |
1257 | _bfd_generic_link_get_symbols (input_bfd)); | |
1258 | if (reloc_count < 0) | |
1259 | goto error_return; | |
1260 | if (reloc_count > 0) | |
1261 | { | |
1262 | arelent **parent; | |
67a374a5 | 1263 | |
252b5132 RH |
1264 | for (parent = reloc_vector; *parent; parent++) |
1265 | { | |
1266 | arelent *r = *parent; | |
67a374a5 | 1267 | |
252b5132 RH |
1268 | switch (r->howto->type) |
1269 | { | |
1270 | case ALIGNER: | |
67a374a5 | 1271 | /* An alignment reloc. */ |
252b5132 RH |
1272 | shrink = aligncode (abfd, input_section, r, shrink); |
1273 | break; | |
1274 | case ABS32CODE: | |
67a374a5 | 1275 | /* A 32bit reloc in an addressing mode. */ |
252b5132 RH |
1276 | shrink = abs32code (input_bfd, input_section, r, shrink, |
1277 | link_info); | |
1278 | break; | |
1279 | case ABS32CODE_SHRUNK: | |
dc810e39 | 1280 | shrink += 4; |
252b5132 RH |
1281 | break; |
1282 | } | |
1283 | } | |
1284 | } | |
1285 | } | |
eea6121a | 1286 | input_section->size -= shrink; |
252b5132 RH |
1287 | |
1288 | if (reloc_vector != NULL) | |
1289 | free (reloc_vector); | |
b34976b6 | 1290 | return TRUE; |
252b5132 RH |
1291 | error_return: |
1292 | if (reloc_vector != NULL) | |
1293 | free (reloc_vector); | |
b34976b6 | 1294 | return FALSE; |
252b5132 RH |
1295 | } |
1296 | ||
1297 | static bfd_byte * | |
1298 | b_out_bfd_get_relocated_section_contents (output_bfd, link_info, link_order, | |
1049f94e | 1299 | data, relocatable, symbols) |
252b5132 RH |
1300 | bfd *output_bfd; |
1301 | struct bfd_link_info *link_info; | |
1302 | struct bfd_link_order *link_order; | |
1303 | bfd_byte *data; | |
1049f94e | 1304 | bfd_boolean relocatable; |
252b5132 RH |
1305 | asymbol **symbols; |
1306 | { | |
67a374a5 | 1307 | /* Get enough memory to hold the stuff. */ |
252b5132 RH |
1308 | bfd *input_bfd = link_order->u.indirect.section->owner; |
1309 | asection *input_section = link_order->u.indirect.section; | |
1310 | long reloc_size = bfd_get_reloc_upper_bound (input_bfd, | |
1311 | input_section); | |
1312 | arelent **reloc_vector = NULL; | |
1313 | long reloc_count; | |
1314 | ||
1315 | if (reloc_size < 0) | |
1316 | goto error_return; | |
1317 | ||
1049f94e AM |
1318 | /* If producing relocatable output, don't bother to relax. */ |
1319 | if (relocatable) | |
252b5132 RH |
1320 | return bfd_generic_get_relocated_section_contents (output_bfd, link_info, |
1321 | link_order, | |
1049f94e | 1322 | data, relocatable, |
252b5132 RH |
1323 | symbols); |
1324 | ||
dc810e39 | 1325 | reloc_vector = (arelent **) bfd_malloc ((bfd_size_type) reloc_size); |
252b5132 RH |
1326 | if (reloc_vector == NULL && reloc_size != 0) |
1327 | goto error_return; | |
1328 | ||
67a374a5 | 1329 | /* Read in the section. */ |
b34976b6 AM |
1330 | BFD_ASSERT (bfd_get_section_contents (input_bfd, |
1331 | input_section, | |
1332 | data, | |
1333 | (bfd_vma) 0, | |
eea6121a | 1334 | input_section->size)); |
252b5132 RH |
1335 | |
1336 | reloc_count = bfd_canonicalize_reloc (input_bfd, | |
1337 | input_section, | |
1338 | reloc_vector, | |
1339 | symbols); | |
1340 | if (reloc_count < 0) | |
1341 | goto error_return; | |
1342 | if (reloc_count > 0) | |
1343 | { | |
1344 | arelent **parent = reloc_vector; | |
1345 | arelent *reloc ; | |
252b5132 RH |
1346 | unsigned int dst_address = 0; |
1347 | unsigned int src_address = 0; | |
1348 | unsigned int run; | |
1349 | unsigned int idx; | |
1350 | ||
67a374a5 | 1351 | /* Find how long a run we can do. */ |
252b5132 RH |
1352 | while (dst_address < link_order->size) |
1353 | { | |
1354 | reloc = *parent; | |
1355 | if (reloc) | |
1356 | { | |
1357 | /* Note that the relaxing didn't tie up the addresses in the | |
1358 | relocation, so we use the original address to work out the | |
67a374a5 | 1359 | run of non-relocated data. */ |
252b5132 RH |
1360 | BFD_ASSERT (reloc->address >= src_address); |
1361 | run = reloc->address - src_address; | |
1362 | parent++; | |
1363 | } | |
1364 | else | |
1365 | { | |
1366 | run = link_order->size - dst_address; | |
1367 | } | |
252b5132 | 1368 | |
67a374a5 NC |
1369 | /* Copy the bytes. */ |
1370 | for (idx = 0; idx < run; idx++) | |
1371 | data[dst_address++] = data[src_address++]; | |
252b5132 | 1372 | |
67a374a5 | 1373 | /* Now do the relocation. */ |
252b5132 RH |
1374 | if (reloc) |
1375 | { | |
1376 | switch (reloc->howto->type) | |
1377 | { | |
1378 | case ABS32CODE: | |
1379 | calljx_callback (input_bfd, link_info, reloc, | |
1380 | src_address + data, dst_address + data, | |
1381 | input_section); | |
67a374a5 NC |
1382 | src_address += 4; |
1383 | dst_address += 4; | |
252b5132 RH |
1384 | break; |
1385 | case ABS32: | |
1386 | bfd_put_32 (input_bfd, | |
1387 | (bfd_get_32 (input_bfd, data + src_address) | |
1388 | + get_value (reloc, link_info, input_section)), | |
1389 | data + dst_address); | |
67a374a5 NC |
1390 | src_address += 4; |
1391 | dst_address += 4; | |
252b5132 RH |
1392 | break; |
1393 | case CALLJ: | |
1394 | callj_callback (input_bfd, link_info, reloc, data, | |
1395 | src_address, dst_address, input_section, | |
b34976b6 | 1396 | FALSE); |
67a374a5 NC |
1397 | src_address += 4; |
1398 | dst_address += 4; | |
252b5132 RH |
1399 | break; |
1400 | case ALIGNDONE: | |
1401 | BFD_ASSERT (reloc->addend >= src_address); | |
dc810e39 | 1402 | BFD_ASSERT ((bfd_vma) reloc->addend |
eea6121a | 1403 | <= input_section->size); |
252b5132 RH |
1404 | src_address = reloc->addend; |
1405 | dst_address = ((dst_address + reloc->howto->size) | |
1406 | & ~reloc->howto->size); | |
1407 | break; | |
1408 | case ABS32CODE_SHRUNK: | |
1409 | /* This used to be a callx, but we've found out that a | |
1410 | callj will reach, so do the right thing. */ | |
1411 | callj_callback (input_bfd, link_info, reloc, data, | |
1412 | src_address + 4, dst_address, input_section, | |
b34976b6 | 1413 | TRUE); |
67a374a5 NC |
1414 | dst_address += 4; |
1415 | src_address += 8; | |
252b5132 RH |
1416 | break; |
1417 | case PCREL24: | |
1418 | { | |
1419 | long int word = bfd_get_32 (input_bfd, | |
1420 | data + src_address); | |
1421 | bfd_vma value; | |
1422 | ||
1423 | value = get_value (reloc, link_info, input_section); | |
1424 | word = ((word & ~BAL_MASK) | |
1425 | | (((word & BAL_MASK) | |
1426 | + value | |
1427 | - output_addr (input_section) | |
1428 | + reloc->addend) | |
1429 | & BAL_MASK)); | |
1430 | ||
dc810e39 | 1431 | bfd_put_32 (input_bfd, (bfd_vma) word, data + dst_address); |
67a374a5 NC |
1432 | dst_address += 4; |
1433 | src_address += 4; | |
252b5132 RH |
1434 | |
1435 | } | |
1436 | break; | |
252b5132 RH |
1437 | case PCREL13: |
1438 | { | |
1439 | long int word = bfd_get_32 (input_bfd, | |
1440 | data + src_address); | |
1441 | bfd_vma value; | |
1442 | ||
1443 | value = get_value (reloc, link_info, input_section); | |
1444 | word = ((word & ~PCREL13_MASK) | |
1445 | | (((word & PCREL13_MASK) | |
1446 | + value | |
1447 | + reloc->addend | |
1448 | - output_addr (input_section)) | |
1449 | & PCREL13_MASK)); | |
1450 | ||
dc810e39 | 1451 | bfd_put_32 (input_bfd, (bfd_vma) word, data + dst_address); |
67a374a5 NC |
1452 | dst_address += 4; |
1453 | src_address += 4; | |
252b5132 RH |
1454 | } |
1455 | break; | |
1456 | ||
1457 | default: | |
eb6e10cb | 1458 | abort (); |
252b5132 RH |
1459 | } |
1460 | } | |
1461 | } | |
1462 | } | |
1463 | if (reloc_vector != NULL) | |
1464 | free (reloc_vector); | |
1465 | return data; | |
1466 | error_return: | |
1467 | if (reloc_vector != NULL) | |
1468 | free (reloc_vector); | |
1469 | return NULL; | |
1470 | } | |
67a374a5 | 1471 | \f |
252b5132 RH |
1472 | |
1473 | /* Build the transfer vectors for Big and Little-Endian B.OUT files. */ | |
1474 | ||
1475 | #define aout_32_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol | |
1476 | #define aout_32_close_and_cleanup aout_32_bfd_free_cached_info | |
1477 | ||
1478 | #define b_out_bfd_link_hash_table_create _bfd_generic_link_hash_table_create | |
e2d34d7d | 1479 | #define b_out_bfd_link_hash_table_free _bfd_generic_link_hash_table_free |
252b5132 | 1480 | #define b_out_bfd_link_add_symbols _bfd_generic_link_add_symbols |
2d653fc7 | 1481 | #define b_out_bfd_link_just_syms _bfd_generic_link_just_syms |
252b5132 RH |
1482 | #define b_out_bfd_final_link _bfd_generic_final_link |
1483 | #define b_out_bfd_link_split_section _bfd_generic_link_split_section | |
1484 | #define b_out_bfd_gc_sections bfd_generic_gc_sections | |
8550eb6e | 1485 | #define b_out_bfd_merge_sections bfd_generic_merge_sections |
72adc230 | 1486 | #define b_out_bfd_is_group_section bfd_generic_is_group_section |
e61463e1 | 1487 | #define b_out_bfd_discard_group bfd_generic_discard_group |
082b7297 L |
1488 | #define b_out_section_already_linked \ |
1489 | _bfd_generic_section_already_linked | |
252b5132 RH |
1490 | |
1491 | #define aout_32_get_section_contents_in_window \ | |
1492 | _bfd_generic_get_section_contents_in_window | |
1493 | ||
c3c89269 NC |
1494 | extern const bfd_target b_out_vec_little_host; |
1495 | ||
252b5132 RH |
1496 | const bfd_target b_out_vec_big_host = |
1497 | { | |
1498 | "b.out.big", /* name */ | |
1499 | bfd_target_aout_flavour, | |
1500 | BFD_ENDIAN_LITTLE, /* data byte order is little */ | |
1501 | BFD_ENDIAN_BIG, /* hdr byte order is big */ | |
1502 | (HAS_RELOC | EXEC_P | /* object flags */ | |
1503 | HAS_LINENO | HAS_DEBUG | | |
1504 | HAS_SYMS | HAS_LOCALS | WP_TEXT | BFD_IS_RELAXABLE ), | |
1505 | (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_CODE | SEC_DATA), | |
1506 | '_', /* symbol leading char */ | |
1507 | ' ', /* ar_pad_char */ | |
1508 | 16, /* ar_max_namelen */ | |
1509 | ||
1510 | bfd_getl64, bfd_getl_signed_64, bfd_putl64, | |
1511 | bfd_getl32, bfd_getl_signed_32, bfd_putl32, | |
1512 | bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */ | |
1513 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, | |
1514 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, | |
1515 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */ | |
1516 | {_bfd_dummy_target, b_out_object_p, /* bfd_check_format */ | |
1517 | bfd_generic_archive_p, _bfd_dummy_target}, | |
1518 | {bfd_false, b_out_mkobject, /* bfd_set_format */ | |
1519 | _bfd_generic_mkarchive, bfd_false}, | |
1520 | {bfd_false, b_out_write_object_contents, /* bfd_write_contents */ | |
1521 | _bfd_write_archive_contents, bfd_false}, | |
1522 | ||
1523 | BFD_JUMP_TABLE_GENERIC (aout_32), | |
1524 | BFD_JUMP_TABLE_COPY (_bfd_generic), | |
1525 | BFD_JUMP_TABLE_CORE (_bfd_nocore), | |
1526 | BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd), | |
1527 | BFD_JUMP_TABLE_SYMBOLS (aout_32), | |
1528 | BFD_JUMP_TABLE_RELOCS (b_out), | |
1529 | BFD_JUMP_TABLE_WRITE (b_out), | |
1530 | BFD_JUMP_TABLE_LINK (b_out), | |
1531 | BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), | |
1532 | ||
c3c89269 | 1533 | & b_out_vec_little_host, |
aebad5fe | 1534 | |
252b5132 RH |
1535 | (PTR) 0, |
1536 | }; | |
1537 | ||
252b5132 RH |
1538 | const bfd_target b_out_vec_little_host = |
1539 | { | |
1540 | "b.out.little", /* name */ | |
1541 | bfd_target_aout_flavour, | |
1542 | BFD_ENDIAN_LITTLE, /* data byte order is little */ | |
1543 | BFD_ENDIAN_LITTLE, /* header byte order is little */ | |
1544 | (HAS_RELOC | EXEC_P | /* object flags */ | |
1545 | HAS_LINENO | HAS_DEBUG | | |
1546 | HAS_SYMS | HAS_LOCALS | WP_TEXT | BFD_IS_RELAXABLE ), | |
1547 | (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_CODE | SEC_DATA), | |
1548 | '_', /* symbol leading char */ | |
1549 | ' ', /* ar_pad_char */ | |
1550 | 16, /* ar_max_namelen */ | |
1551 | bfd_getl64, bfd_getl_signed_64, bfd_putl64, | |
1552 | bfd_getl32, bfd_getl_signed_32, bfd_putl32, | |
1553 | bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */ | |
1554 | bfd_getl64, bfd_getl_signed_64, bfd_putl64, | |
1555 | bfd_getl32, bfd_getl_signed_32, bfd_putl32, | |
1556 | bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */ | |
1557 | ||
1558 | {_bfd_dummy_target, b_out_object_p, /* bfd_check_format */ | |
1559 | bfd_generic_archive_p, _bfd_dummy_target}, | |
1560 | {bfd_false, b_out_mkobject, /* bfd_set_format */ | |
1561 | _bfd_generic_mkarchive, bfd_false}, | |
1562 | {bfd_false, b_out_write_object_contents, /* bfd_write_contents */ | |
1563 | _bfd_write_archive_contents, bfd_false}, | |
1564 | ||
1565 | BFD_JUMP_TABLE_GENERIC (aout_32), | |
1566 | BFD_JUMP_TABLE_COPY (_bfd_generic), | |
1567 | BFD_JUMP_TABLE_CORE (_bfd_nocore), | |
1568 | BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd), | |
1569 | BFD_JUMP_TABLE_SYMBOLS (aout_32), | |
1570 | BFD_JUMP_TABLE_RELOCS (b_out), | |
1571 | BFD_JUMP_TABLE_WRITE (b_out), | |
1572 | BFD_JUMP_TABLE_LINK (b_out), | |
1573 | BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), | |
1574 | ||
c3c89269 | 1575 | & b_out_vec_big_host, |
aebad5fe | 1576 | |
252b5132 RH |
1577 | (PTR) 0 |
1578 | }; |