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40b36596 | 1 | /* 32-bit ELF support for TI C6X |
6f2750fe | 2 | Copyright (C) 2010-2016 Free Software Foundation, Inc. |
c0621d88 NS |
3 | Contributed by Joseph Myers <joseph@codesourcery.com> |
4 | Bernd Schmidt <bernds@codesourcery.com> | |
40b36596 JM |
5 | |
6 | This file is part of BFD, the Binary File Descriptor library. | |
7 | ||
8 | This program is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 3 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | This program is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with this program; if not, write to the Free Software | |
20 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, | |
21 | MA 02110-1301, USA. */ | |
22 | ||
23 | #include "sysdep.h" | |
fbd9ad90 | 24 | #include <limits.h> |
40b36596 JM |
25 | #include "bfd.h" |
26 | #include "libbfd.h" | |
27 | #include "libiberty.h" | |
28 | #include "elf-bfd.h" | |
29 | #include "elf/tic6x.h" | |
41820509 JM |
30 | #include "elf32-tic6x.h" |
31 | ||
ac145307 BS |
32 | #define ELF_DYNAMIC_INTERPRETER "/lib/ld-uClibc.so.0" |
33 | ||
34 | /* DSBT binaries have a default 128K stack. */ | |
35 | #define DEFAULT_STACK_SIZE 0x20000 | |
36 | ||
37 | /* The size in bytes of an entry in the procedure linkage table. */ | |
38 | #define PLT_ENTRY_SIZE 24 | |
39 | ||
40 | /* TI C6X ELF linker hash table. */ | |
41 | ||
42 | struct elf32_tic6x_link_hash_table | |
43 | { | |
44 | struct elf_link_hash_table elf; | |
45 | ||
ac145307 BS |
46 | /* C6X specific command line arguments. */ |
47 | struct elf32_tic6x_params params; | |
48 | ||
49 | /* Small local sym cache. */ | |
50 | struct sym_cache sym_cache; | |
51 | ||
52 | /* The output BFD, for convenience. */ | |
53 | bfd *obfd; | |
54 | ||
55 | /* The .dsbt section. */ | |
56 | asection *dsbt; | |
57 | }; | |
58 | ||
59 | /* Get the TI C6X ELF linker hash table from a link_info structure. */ | |
60 | ||
61 | #define elf32_tic6x_hash_table(p) \ | |
62 | ((struct elf32_tic6x_link_hash_table *) ((p)->hash)) | |
63 | ||
64 | /* TI C6X ELF linker hash entry. */ | |
65 | ||
66 | struct elf32_tic6x_link_hash_entry | |
67 | { | |
68 | struct elf_link_hash_entry elf; | |
69 | ||
70 | /* Track dynamic relocs copied for this symbol. */ | |
71 | struct elf_dyn_relocs *dyn_relocs; | |
72 | }; | |
73 | ||
fbd9ad90 PB |
74 | typedef enum |
75 | { | |
76 | DELETE_EXIDX_ENTRY, | |
77 | INSERT_EXIDX_CANTUNWIND_AT_END | |
78 | } | |
79 | tic6x_unwind_edit_type; | |
80 | ||
81 | /* A (sorted) list of edits to apply to an unwind table. */ | |
82 | typedef struct tic6x_unwind_table_edit | |
83 | { | |
84 | tic6x_unwind_edit_type type; | |
85 | /* Note: we sometimes want to insert an unwind entry corresponding to a | |
86 | section different from the one we're currently writing out, so record the | |
87 | (text) section this edit relates to here. */ | |
88 | asection *linked_section; | |
89 | unsigned int index; | |
90 | struct tic6x_unwind_table_edit *next; | |
91 | } | |
92 | tic6x_unwind_table_edit; | |
93 | ||
94 | typedef struct _tic6x_elf_section_data | |
95 | { | |
96 | /* Information about mapping symbols. */ | |
97 | struct bfd_elf_section_data elf; | |
98 | /* Information about unwind tables. */ | |
99 | union | |
100 | { | |
101 | /* Unwind info attached to a text section. */ | |
102 | struct | |
103 | { | |
104 | asection *tic6x_exidx_sec; | |
105 | } text; | |
106 | ||
107 | /* Unwind info attached to an .c6xabi.exidx section. */ | |
108 | struct | |
109 | { | |
110 | tic6x_unwind_table_edit *unwind_edit_list; | |
111 | tic6x_unwind_table_edit *unwind_edit_tail; | |
112 | } exidx; | |
113 | } u; | |
114 | } | |
115 | _tic6x_elf_section_data; | |
116 | ||
117 | #define elf32_tic6x_section_data(sec) \ | |
118 | ((_tic6x_elf_section_data *) elf_section_data (sec)) | |
119 | ||
41820509 JM |
120 | struct elf32_tic6x_obj_tdata |
121 | { | |
122 | struct elf_obj_tdata root; | |
123 | ||
124 | /* Whether to use RELA relocations when generating relocations. | |
125 | This is a per-object flag to allow the assembler to generate REL | |
126 | relocations for use in linker testcases. */ | |
127 | bfd_boolean use_rela_p; | |
128 | }; | |
129 | ||
130 | #define elf32_tic6x_tdata(abfd) \ | |
131 | ((struct elf32_tic6x_obj_tdata *) (abfd)->tdata.any) | |
40b36596 | 132 | |
ac145307 BS |
133 | #define is_tic6x_elf(bfd) \ |
134 | (bfd_get_flavour (bfd) == bfd_target_elf_flavour \ | |
135 | && elf_tdata (bfd) != NULL \ | |
136 | && elf_object_id (bfd) == TIC6X_ELF_DATA) | |
137 | ||
138 | /* C6X ELF uses two common sections. One is the usual one, and the | |
139 | other is for small objects. All the small objects are kept | |
140 | together, and then referenced via the gp pointer, which yields | |
141 | faster assembler code. This is what we use for the small common | |
142 | section. This approach is copied from ecoff.c. */ | |
143 | static asection tic6x_elf_scom_section; | |
144 | static asymbol tic6x_elf_scom_symbol; | |
145 | static asymbol *tic6x_elf_scom_symbol_ptr; | |
146 | ||
40b36596 JM |
147 | static reloc_howto_type elf32_tic6x_howto_table[] = |
148 | { | |
149 | HOWTO (R_C6000_NONE, /* type */ | |
150 | 0, /* rightshift */ | |
6346d5ca | 151 | 3, /* size (0 = byte, 1 = short, 2 = long) */ |
40b36596 JM |
152 | 0, /* bitsize */ |
153 | FALSE, /* pc_relative */ | |
154 | 0, /* bitpos */ | |
155 | complain_overflow_dont,/* complain_on_overflow */ | |
156 | bfd_elf_generic_reloc, /* special_function */ | |
157 | "R_C6000_NONE", /* name */ | |
41820509 JM |
158 | FALSE, /* partial_inplace */ |
159 | 0, /* src_mask */ | |
160 | 0, /* dst_mask */ | |
161 | FALSE), /* pcrel_offset */ | |
162 | HOWTO (R_C6000_ABS32, /* type */ | |
163 | 0, /* rightshift */ | |
164 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
165 | 32, /* bitsize */ | |
166 | FALSE, /* pc_relative */ | |
167 | 0, /* bitpos */ | |
168 | complain_overflow_dont,/* complain_on_overflow */ | |
169 | bfd_elf_generic_reloc, /* special_function */ | |
170 | "R_C6000_ABS32", /* name */ | |
171 | FALSE, /* partial_inplace */ | |
172 | 0, /* src_mask */ | |
173 | 0xffffffff, /* dst_mask */ | |
174 | FALSE), /* pcrel_offset */ | |
175 | HOWTO (R_C6000_ABS16, /* type */ | |
176 | 0, /* rightshift */ | |
177 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
178 | 16, /* bitsize */ | |
179 | FALSE, /* pc_relative */ | |
180 | 0, /* bitpos */ | |
181 | complain_overflow_bitfield,/* complain_on_overflow */ | |
182 | bfd_elf_generic_reloc, /* special_function */ | |
183 | "R_C6000_ABS16", /* name */ | |
184 | FALSE, /* partial_inplace */ | |
185 | 0, /* src_mask */ | |
186 | 0x0000ffff, /* dst_mask */ | |
187 | FALSE), /* pcrel_offset */ | |
188 | HOWTO (R_C6000_ABS8, /* type */ | |
189 | 0, /* rightshift */ | |
190 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
191 | 8, /* bitsize */ | |
192 | FALSE, /* pc_relative */ | |
193 | 0, /* bitpos */ | |
194 | complain_overflow_bitfield,/* complain_on_overflow */ | |
195 | bfd_elf_generic_reloc, /* special_function */ | |
196 | "R_C6000_ABS8", /* name */ | |
197 | FALSE, /* partial_inplace */ | |
198 | 0, /* src_mask */ | |
199 | 0x000000ff, /* dst_mask */ | |
200 | FALSE), /* pcrel_offset */ | |
201 | HOWTO (R_C6000_PCR_S21, /* type */ | |
202 | 2, /* rightshift */ | |
203 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
204 | 21, /* bitsize */ | |
205 | TRUE, /* pc_relative */ | |
206 | 7, /* bitpos */ | |
207 | complain_overflow_signed,/* complain_on_overflow */ | |
208 | bfd_elf_generic_reloc, /* special_function */ | |
209 | "R_C6000_PCR_S21", /* name */ | |
210 | FALSE, /* partial_inplace */ | |
211 | 0, /* src_mask */ | |
212 | 0x0fffff80, /* dst_mask */ | |
213 | TRUE), /* pcrel_offset */ | |
214 | HOWTO (R_C6000_PCR_S12, /* type */ | |
215 | 2, /* rightshift */ | |
216 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
217 | 12, /* bitsize */ | |
218 | TRUE, /* pc_relative */ | |
219 | 16, /* bitpos */ | |
220 | complain_overflow_signed,/* complain_on_overflow */ | |
221 | bfd_elf_generic_reloc, /* special_function */ | |
222 | "R_C6000_PCR_S12", /* name */ | |
223 | FALSE, /* partial_inplace */ | |
224 | 0, /* src_mask */ | |
225 | 0x0fff0000, /* dst_mask */ | |
226 | TRUE), /* pcrel_offset */ | |
227 | HOWTO (R_C6000_PCR_S10, /* type */ | |
228 | 2, /* rightshift */ | |
229 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
230 | 10, /* bitsize */ | |
231 | TRUE, /* pc_relative */ | |
232 | 13, /* bitpos */ | |
233 | complain_overflow_signed,/* complain_on_overflow */ | |
234 | bfd_elf_generic_reloc, /* special_function */ | |
235 | "R_C6000_PCR_S10", /* name */ | |
236 | FALSE, /* partial_inplace */ | |
237 | 0, /* src_mask */ | |
238 | 0x007fe000, /* dst_mask */ | |
239 | TRUE), /* pcrel_offset */ | |
240 | HOWTO (R_C6000_PCR_S7, /* type */ | |
241 | 2, /* rightshift */ | |
242 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
243 | 7, /* bitsize */ | |
244 | TRUE, /* pc_relative */ | |
245 | 16, /* bitpos */ | |
246 | complain_overflow_signed,/* complain_on_overflow */ | |
247 | bfd_elf_generic_reloc, /* special_function */ | |
248 | "R_C6000_PCR_S7", /* name */ | |
249 | FALSE, /* partial_inplace */ | |
250 | 0, /* src_mask */ | |
251 | 0x007f0000, /* dst_mask */ | |
252 | TRUE), /* pcrel_offset */ | |
253 | HOWTO (R_C6000_ABS_S16, /* type */ | |
254 | 0, /* rightshift */ | |
255 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
256 | 16, /* bitsize */ | |
257 | FALSE, /* pc_relative */ | |
258 | 7, /* bitpos */ | |
259 | complain_overflow_signed,/* complain_on_overflow */ | |
260 | bfd_elf_generic_reloc, /* special_function */ | |
261 | "R_C6000_ABS_S16", /* name */ | |
262 | FALSE, /* partial_inplace */ | |
263 | 0, /* src_mask */ | |
264 | 0x007fff80, /* dst_mask */ | |
265 | FALSE), /* pcrel_offset */ | |
266 | HOWTO (R_C6000_ABS_L16, /* type */ | |
267 | 0, /* rightshift */ | |
268 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
269 | 16, /* bitsize */ | |
270 | FALSE, /* pc_relative */ | |
271 | 7, /* bitpos */ | |
272 | complain_overflow_dont,/* complain_on_overflow */ | |
273 | bfd_elf_generic_reloc, /* special_function */ | |
274 | "R_C6000_ABS_L16", /* name */ | |
275 | FALSE, /* partial_inplace */ | |
276 | 0, /* src_mask */ | |
277 | 0x007fff80, /* dst_mask */ | |
278 | FALSE), /* pcrel_offset */ | |
279 | HOWTO (R_C6000_ABS_H16, /* type */ | |
280 | 16, /* rightshift */ | |
281 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
282 | 16, /* bitsize */ | |
283 | FALSE, /* pc_relative */ | |
284 | 7, /* bitpos */ | |
285 | complain_overflow_dont,/* complain_on_overflow */ | |
286 | bfd_elf_generic_reloc, /* special_function */ | |
287 | "R_C6000_ABS_H16", /* name */ | |
288 | FALSE, /* partial_inplace */ | |
289 | 0, /* src_mask */ | |
290 | 0x007fff80, /* dst_mask */ | |
291 | FALSE), /* pcrel_offset */ | |
292 | HOWTO (R_C6000_SBR_U15_B, /* type */ | |
293 | 0, /* rightshift */ | |
294 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
295 | 15, /* bitsize */ | |
296 | FALSE, /* pc_relative */ | |
297 | 8, /* bitpos */ | |
298 | complain_overflow_unsigned,/* complain_on_overflow */ | |
299 | bfd_elf_generic_reloc, /* special_function */ | |
300 | "R_C6000_SBR_U15_B", /* name */ | |
301 | FALSE, /* partial_inplace */ | |
302 | 0, /* src_mask */ | |
303 | 0x007fff00, /* dst_mask */ | |
304 | FALSE), /* pcrel_offset */ | |
305 | HOWTO (R_C6000_SBR_U15_H, /* type */ | |
306 | 1, /* rightshift */ | |
307 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
308 | 15, /* bitsize */ | |
309 | FALSE, /* pc_relative */ | |
310 | 8, /* bitpos */ | |
311 | complain_overflow_unsigned,/* complain_on_overflow */ | |
312 | bfd_elf_generic_reloc, /* special_function */ | |
313 | "R_C6000_SBR_U15_H", /* name */ | |
314 | FALSE, /* partial_inplace */ | |
315 | 0, /* src_mask */ | |
316 | 0x007fff00, /* dst_mask */ | |
317 | FALSE), /* pcrel_offset */ | |
318 | HOWTO (R_C6000_SBR_U15_W, /* type */ | |
319 | 2, /* rightshift */ | |
320 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
321 | 15, /* bitsize */ | |
322 | FALSE, /* pc_relative */ | |
323 | 8, /* bitpos */ | |
324 | complain_overflow_unsigned,/* complain_on_overflow */ | |
325 | bfd_elf_generic_reloc, /* special_function */ | |
326 | "R_C6000_SBR_U15_W", /* name */ | |
327 | FALSE, /* partial_inplace */ | |
328 | 0, /* src_mask */ | |
329 | 0x007fff00, /* dst_mask */ | |
330 | FALSE), /* pcrel_offset */ | |
331 | HOWTO (R_C6000_SBR_S16, /* type */ | |
332 | 0, /* rightshift */ | |
333 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
334 | 16, /* bitsize */ | |
335 | FALSE, /* pc_relative */ | |
336 | 7, /* bitpos */ | |
337 | complain_overflow_signed,/* complain_on_overflow */ | |
338 | bfd_elf_generic_reloc, /* special_function */ | |
339 | "R_C6000_SBR_S16", /* name */ | |
340 | FALSE, /* partial_inplace */ | |
341 | 0, /* src_mask */ | |
342 | 0x007fff80, /* dst_mask */ | |
343 | FALSE), /* pcrel_offset */ | |
344 | HOWTO (R_C6000_SBR_L16_B, /* type */ | |
345 | 0, /* rightshift */ | |
346 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
347 | 16, /* bitsize */ | |
348 | FALSE, /* pc_relative */ | |
349 | 7, /* bitpos */ | |
350 | complain_overflow_dont,/* complain_on_overflow */ | |
351 | bfd_elf_generic_reloc, /* special_function */ | |
352 | "R_C6000_SBR_L16_B", /* name */ | |
353 | FALSE, /* partial_inplace */ | |
354 | 0, /* src_mask */ | |
355 | 0x007fff80, /* dst_mask */ | |
356 | FALSE), /* pcrel_offset */ | |
357 | HOWTO (R_C6000_SBR_L16_H, /* type */ | |
358 | 1, /* rightshift */ | |
359 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
360 | 16, /* bitsize */ | |
361 | FALSE, /* pc_relative */ | |
362 | 7, /* bitpos */ | |
363 | complain_overflow_dont,/* complain_on_overflow */ | |
364 | bfd_elf_generic_reloc, /* special_function */ | |
365 | "R_C6000_SBR_L16_H", /* name */ | |
366 | FALSE, /* partial_inplace */ | |
367 | 0, /* src_mask */ | |
368 | 0x007fff80, /* dst_mask */ | |
369 | FALSE), /* pcrel_offset */ | |
370 | HOWTO (R_C6000_SBR_L16_W, /* type */ | |
371 | 2, /* rightshift */ | |
372 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
373 | 16, /* bitsize */ | |
374 | FALSE, /* pc_relative */ | |
375 | 7, /* bitpos */ | |
376 | complain_overflow_dont,/* complain_on_overflow */ | |
377 | bfd_elf_generic_reloc, /* special_function */ | |
378 | "R_C6000_SBR_L16_W", /* name */ | |
379 | FALSE, /* partial_inplace */ | |
380 | 0, /* src_mask */ | |
381 | 0x007fff80, /* dst_mask */ | |
382 | FALSE), /* pcrel_offset */ | |
383 | HOWTO (R_C6000_SBR_H16_B, /* type */ | |
384 | 16, /* rightshift */ | |
385 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
386 | 16, /* bitsize */ | |
387 | FALSE, /* pc_relative */ | |
388 | 7, /* bitpos */ | |
389 | complain_overflow_dont,/* complain_on_overflow */ | |
390 | bfd_elf_generic_reloc, /* special_function */ | |
391 | "R_C6000_SBR_H16_B", /* name */ | |
392 | FALSE, /* partial_inplace */ | |
393 | 0, /* src_mask */ | |
394 | 0x007fff80, /* dst_mask */ | |
395 | FALSE), /* pcrel_offset */ | |
396 | HOWTO (R_C6000_SBR_H16_H, /* type */ | |
397 | 17, /* rightshift */ | |
398 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
399 | 16, /* bitsize */ | |
400 | FALSE, /* pc_relative */ | |
401 | 7, /* bitpos */ | |
402 | complain_overflow_dont,/* complain_on_overflow */ | |
403 | bfd_elf_generic_reloc, /* special_function */ | |
404 | "R_C6000_SBR_H16_H", /* name */ | |
405 | FALSE, /* partial_inplace */ | |
406 | 0, /* src_mask */ | |
407 | 0x007fff80, /* dst_mask */ | |
408 | FALSE), /* pcrel_offset */ | |
409 | HOWTO (R_C6000_SBR_H16_W, /* type */ | |
410 | 18, /* rightshift */ | |
411 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
412 | 16, /* bitsize */ | |
413 | FALSE, /* pc_relative */ | |
414 | 7, /* bitpos */ | |
415 | complain_overflow_dont,/* complain_on_overflow */ | |
416 | bfd_elf_generic_reloc, /* special_function */ | |
417 | "R_C6000_SBR_H16_W", /* name */ | |
418 | FALSE, /* partial_inplace */ | |
419 | 0, /* src_mask */ | |
420 | 0x007fff80, /* dst_mask */ | |
421 | FALSE), /* pcrel_offset */ | |
422 | HOWTO (R_C6000_SBR_GOT_U15_W, /* type */ | |
423 | 2, /* rightshift */ | |
424 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
425 | 15, /* bitsize */ | |
426 | FALSE, /* pc_relative */ | |
427 | 8, /* bitpos */ | |
428 | complain_overflow_unsigned,/* complain_on_overflow */ | |
429 | bfd_elf_generic_reloc, /* special_function */ | |
430 | "R_C6000_SBR_GOT_U15_W",/* name */ | |
431 | FALSE, /* partial_inplace */ | |
432 | 0, /* src_mask */ | |
433 | 0x007fff00, /* dst_mask */ | |
434 | FALSE), /* pcrel_offset */ | |
435 | HOWTO (R_C6000_SBR_GOT_L16_W, /* type */ | |
436 | 2, /* rightshift */ | |
437 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
438 | 16, /* bitsize */ | |
439 | FALSE, /* pc_relative */ | |
440 | 7, /* bitpos */ | |
441 | complain_overflow_dont,/* complain_on_overflow */ | |
442 | bfd_elf_generic_reloc, /* special_function */ | |
443 | "R_C6000_SBR_GOT_L16_W",/* name */ | |
444 | FALSE, /* partial_inplace */ | |
445 | 0, /* src_mask */ | |
446 | 0x007fff80, /* dst_mask */ | |
447 | FALSE), /* pcrel_offset */ | |
448 | HOWTO (R_C6000_SBR_GOT_H16_W, /* type */ | |
449 | 18, /* rightshift */ | |
450 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
451 | 16, /* bitsize */ | |
452 | FALSE, /* pc_relative */ | |
453 | 7, /* bitpos */ | |
454 | complain_overflow_dont,/* complain_on_overflow */ | |
455 | bfd_elf_generic_reloc, /* special_function */ | |
456 | "R_C6000_SBR_GOT_H16_W",/* name */ | |
457 | FALSE, /* partial_inplace */ | |
458 | 0, /* src_mask */ | |
459 | 0x007fff80, /* dst_mask */ | |
460 | FALSE), /* pcrel_offset */ | |
461 | HOWTO (R_C6000_DSBT_INDEX, /* type */ | |
462 | 0, /* rightshift */ | |
463 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
464 | 15, /* bitsize */ | |
465 | FALSE, /* pc_relative */ | |
466 | 8, /* bitpos */ | |
467 | complain_overflow_unsigned,/* complain_on_overflow */ | |
468 | bfd_elf_generic_reloc, /* special_function */ | |
469 | "R_C6000_DSBT_INDEX", /* name */ | |
470 | FALSE, /* partial_inplace */ | |
471 | 0, /* src_mask */ | |
472 | 0x007fff00, /* dst_mask */ | |
473 | FALSE), /* pcrel_offset */ | |
474 | HOWTO (R_C6000_PREL31, /* type */ | |
475 | 1, /* rightshift */ | |
476 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
477 | 31, /* bitsize */ | |
44e87ece | 478 | TRUE, /* pc_relative */ |
41820509 JM |
479 | 0, /* bitpos */ |
480 | complain_overflow_dont,/* complain_on_overflow */ | |
481 | bfd_elf_generic_reloc, /* special_function */ | |
482 | "R_C6000_PREL31", /* name */ | |
483 | FALSE, /* partial_inplace */ | |
484 | 0, /* src_mask */ | |
485 | 0x7fffffff, /* dst_mask */ | |
44e87ece | 486 | TRUE), /* pcrel_offset */ |
41820509 JM |
487 | HOWTO (R_C6000_COPY, /* type */ |
488 | 0, /* rightshift */ | |
489 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
490 | 32, /* bitsize */ | |
491 | FALSE, /* pc_relative */ | |
492 | 0, /* bitpos */ | |
493 | complain_overflow_dont,/* complain_on_overflow */ | |
494 | bfd_elf_generic_reloc, /* special_function */ | |
495 | "R_C6000_COPY", /* name */ | |
496 | FALSE, /* partial_inplace */ | |
497 | 0, /* src_mask */ | |
498 | 0xffffffff, /* dst_mask */ | |
499 | FALSE), /* pcrel_offset */ | |
ac145307 BS |
500 | HOWTO (R_C6000_JUMP_SLOT, /* type */ |
501 | 0, /* rightshift */ | |
502 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
503 | 32, /* bitsize */ | |
504 | FALSE, /* pc_relative */ | |
505 | 0, /* bitpos */ | |
506 | complain_overflow_dont,/* complain_on_overflow */ | |
507 | bfd_elf_generic_reloc, /* special_function */ | |
508 | "R_C6000_JUMP_SLOT", /* name */ | |
509 | FALSE, /* partial_inplace */ | |
510 | 0, /* src_mask */ | |
511 | 0xffffffff, /* dst_mask */ | |
512 | FALSE), /* pcrel_offset */ | |
2fbb87f6 PB |
513 | HOWTO (R_C6000_EHTYPE, /* type */ |
514 | 0, /* rightshift */ | |
515 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
516 | 32, /* bitsize */ | |
517 | FALSE, /* pc_relative */ | |
518 | 0, /* bitpos */ | |
519 | complain_overflow_dont,/* complain_on_overflow */ | |
520 | bfd_elf_generic_reloc, /* special_function */ | |
521 | "R_C6000_EHTYPE", /* name */ | |
522 | FALSE, /* partial_inplace */ | |
523 | 0, /* src_mask */ | |
524 | 0xffffffff, /* dst_mask */ | |
525 | FALSE), /* pcrel_offset */ | |
4a732032 BS |
526 | HOWTO (R_C6000_PCR_H16, /* type */ |
527 | 16, /* rightshift */ | |
528 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
529 | 16, /* bitsize */ | |
530 | TRUE, /* pc_relative */ | |
531 | 7, /* bitpos */ | |
532 | complain_overflow_dont,/* complain_on_overflow */ | |
533 | bfd_elf_generic_reloc, /* special_function */ | |
534 | "R_C6000_PCR_H16", /* name */ | |
535 | FALSE, /* partial_inplace */ | |
536 | 0, /* src_mask */ | |
537 | 0x007fff80, /* dst_mask */ | |
538 | TRUE), /* pcrel_offset */ | |
539 | HOWTO (R_C6000_PCR_L16, /* type */ | |
540 | 0, /* rightshift */ | |
541 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
542 | 16, /* bitsize */ | |
543 | TRUE, /* pc_relative */ | |
544 | 7, /* bitpos */ | |
545 | complain_overflow_dont,/* complain_on_overflow */ | |
546 | bfd_elf_generic_reloc, /* special_function */ | |
547 | "R_C6000_PCR_L16", /* name */ | |
548 | FALSE, /* partial_inplace */ | |
549 | 0, /* src_mask */ | |
550 | 0x007fff80, /* dst_mask */ | |
551 | TRUE), /* pcrel_offset */ | |
41820509 JM |
552 | EMPTY_HOWTO (31), |
553 | EMPTY_HOWTO (32), | |
554 | EMPTY_HOWTO (33), | |
555 | EMPTY_HOWTO (34), | |
556 | EMPTY_HOWTO (35), | |
557 | EMPTY_HOWTO (36), | |
558 | EMPTY_HOWTO (37), | |
559 | EMPTY_HOWTO (38), | |
560 | EMPTY_HOWTO (39), | |
561 | EMPTY_HOWTO (40), | |
562 | EMPTY_HOWTO (41), | |
563 | EMPTY_HOWTO (42), | |
564 | EMPTY_HOWTO (43), | |
565 | EMPTY_HOWTO (44), | |
566 | EMPTY_HOWTO (45), | |
567 | EMPTY_HOWTO (46), | |
568 | EMPTY_HOWTO (47), | |
569 | EMPTY_HOWTO (48), | |
570 | EMPTY_HOWTO (49), | |
571 | EMPTY_HOWTO (50), | |
572 | EMPTY_HOWTO (51), | |
573 | EMPTY_HOWTO (52), | |
574 | EMPTY_HOWTO (53), | |
575 | EMPTY_HOWTO (54), | |
576 | EMPTY_HOWTO (55), | |
577 | EMPTY_HOWTO (56), | |
578 | EMPTY_HOWTO (57), | |
579 | EMPTY_HOWTO (58), | |
580 | EMPTY_HOWTO (59), | |
581 | EMPTY_HOWTO (60), | |
582 | EMPTY_HOWTO (61), | |
583 | EMPTY_HOWTO (62), | |
584 | EMPTY_HOWTO (63), | |
585 | EMPTY_HOWTO (64), | |
586 | EMPTY_HOWTO (65), | |
587 | EMPTY_HOWTO (66), | |
588 | EMPTY_HOWTO (67), | |
589 | EMPTY_HOWTO (68), | |
590 | EMPTY_HOWTO (69), | |
591 | EMPTY_HOWTO (70), | |
592 | EMPTY_HOWTO (71), | |
593 | EMPTY_HOWTO (72), | |
594 | EMPTY_HOWTO (73), | |
595 | EMPTY_HOWTO (74), | |
596 | EMPTY_HOWTO (75), | |
597 | EMPTY_HOWTO (76), | |
598 | EMPTY_HOWTO (77), | |
599 | EMPTY_HOWTO (78), | |
600 | EMPTY_HOWTO (79), | |
601 | EMPTY_HOWTO (80), | |
602 | EMPTY_HOWTO (81), | |
603 | EMPTY_HOWTO (82), | |
604 | EMPTY_HOWTO (83), | |
605 | EMPTY_HOWTO (84), | |
606 | EMPTY_HOWTO (85), | |
607 | EMPTY_HOWTO (86), | |
608 | EMPTY_HOWTO (87), | |
609 | EMPTY_HOWTO (88), | |
610 | EMPTY_HOWTO (89), | |
611 | EMPTY_HOWTO (90), | |
612 | EMPTY_HOWTO (91), | |
613 | EMPTY_HOWTO (92), | |
614 | EMPTY_HOWTO (93), | |
615 | EMPTY_HOWTO (94), | |
616 | EMPTY_HOWTO (95), | |
617 | EMPTY_HOWTO (96), | |
618 | EMPTY_HOWTO (97), | |
619 | EMPTY_HOWTO (98), | |
620 | EMPTY_HOWTO (99), | |
621 | EMPTY_HOWTO (100), | |
622 | EMPTY_HOWTO (101), | |
623 | EMPTY_HOWTO (102), | |
624 | EMPTY_HOWTO (103), | |
625 | EMPTY_HOWTO (104), | |
626 | EMPTY_HOWTO (105), | |
627 | EMPTY_HOWTO (106), | |
628 | EMPTY_HOWTO (107), | |
629 | EMPTY_HOWTO (108), | |
630 | EMPTY_HOWTO (109), | |
631 | EMPTY_HOWTO (110), | |
632 | EMPTY_HOWTO (111), | |
633 | EMPTY_HOWTO (112), | |
634 | EMPTY_HOWTO (113), | |
635 | EMPTY_HOWTO (114), | |
636 | EMPTY_HOWTO (115), | |
637 | EMPTY_HOWTO (116), | |
638 | EMPTY_HOWTO (117), | |
639 | EMPTY_HOWTO (118), | |
640 | EMPTY_HOWTO (119), | |
641 | EMPTY_HOWTO (120), | |
642 | EMPTY_HOWTO (121), | |
643 | EMPTY_HOWTO (122), | |
644 | EMPTY_HOWTO (123), | |
645 | EMPTY_HOWTO (124), | |
646 | EMPTY_HOWTO (125), | |
647 | EMPTY_HOWTO (126), | |
648 | EMPTY_HOWTO (127), | |
649 | EMPTY_HOWTO (128), | |
650 | EMPTY_HOWTO (129), | |
651 | EMPTY_HOWTO (130), | |
652 | EMPTY_HOWTO (131), | |
653 | EMPTY_HOWTO (132), | |
654 | EMPTY_HOWTO (133), | |
655 | EMPTY_HOWTO (134), | |
656 | EMPTY_HOWTO (135), | |
657 | EMPTY_HOWTO (136), | |
658 | EMPTY_HOWTO (137), | |
659 | EMPTY_HOWTO (138), | |
660 | EMPTY_HOWTO (139), | |
661 | EMPTY_HOWTO (140), | |
662 | EMPTY_HOWTO (141), | |
663 | EMPTY_HOWTO (142), | |
664 | EMPTY_HOWTO (143), | |
665 | EMPTY_HOWTO (144), | |
666 | EMPTY_HOWTO (145), | |
667 | EMPTY_HOWTO (146), | |
668 | EMPTY_HOWTO (147), | |
669 | EMPTY_HOWTO (148), | |
670 | EMPTY_HOWTO (149), | |
671 | EMPTY_HOWTO (150), | |
672 | EMPTY_HOWTO (151), | |
673 | EMPTY_HOWTO (152), | |
674 | EMPTY_HOWTO (153), | |
675 | EMPTY_HOWTO (154), | |
676 | EMPTY_HOWTO (155), | |
677 | EMPTY_HOWTO (156), | |
678 | EMPTY_HOWTO (157), | |
679 | EMPTY_HOWTO (158), | |
680 | EMPTY_HOWTO (159), | |
681 | EMPTY_HOWTO (160), | |
682 | EMPTY_HOWTO (161), | |
683 | EMPTY_HOWTO (162), | |
684 | EMPTY_HOWTO (163), | |
685 | EMPTY_HOWTO (164), | |
686 | EMPTY_HOWTO (165), | |
687 | EMPTY_HOWTO (166), | |
688 | EMPTY_HOWTO (167), | |
689 | EMPTY_HOWTO (168), | |
690 | EMPTY_HOWTO (169), | |
691 | EMPTY_HOWTO (170), | |
692 | EMPTY_HOWTO (171), | |
693 | EMPTY_HOWTO (172), | |
694 | EMPTY_HOWTO (173), | |
695 | EMPTY_HOWTO (174), | |
696 | EMPTY_HOWTO (175), | |
697 | EMPTY_HOWTO (176), | |
698 | EMPTY_HOWTO (177), | |
699 | EMPTY_HOWTO (178), | |
700 | EMPTY_HOWTO (179), | |
701 | EMPTY_HOWTO (180), | |
702 | EMPTY_HOWTO (181), | |
703 | EMPTY_HOWTO (182), | |
704 | EMPTY_HOWTO (183), | |
705 | EMPTY_HOWTO (184), | |
706 | EMPTY_HOWTO (185), | |
707 | EMPTY_HOWTO (186), | |
708 | EMPTY_HOWTO (187), | |
709 | EMPTY_HOWTO (188), | |
710 | EMPTY_HOWTO (189), | |
711 | EMPTY_HOWTO (190), | |
712 | EMPTY_HOWTO (191), | |
713 | EMPTY_HOWTO (192), | |
714 | EMPTY_HOWTO (193), | |
715 | EMPTY_HOWTO (194), | |
716 | EMPTY_HOWTO (195), | |
717 | EMPTY_HOWTO (196), | |
718 | EMPTY_HOWTO (197), | |
719 | EMPTY_HOWTO (198), | |
720 | EMPTY_HOWTO (199), | |
721 | EMPTY_HOWTO (200), | |
722 | EMPTY_HOWTO (201), | |
723 | EMPTY_HOWTO (202), | |
724 | EMPTY_HOWTO (203), | |
725 | EMPTY_HOWTO (204), | |
726 | EMPTY_HOWTO (205), | |
727 | EMPTY_HOWTO (206), | |
728 | EMPTY_HOWTO (207), | |
729 | EMPTY_HOWTO (208), | |
730 | EMPTY_HOWTO (209), | |
731 | EMPTY_HOWTO (210), | |
732 | EMPTY_HOWTO (211), | |
733 | EMPTY_HOWTO (212), | |
734 | EMPTY_HOWTO (213), | |
735 | EMPTY_HOWTO (214), | |
736 | EMPTY_HOWTO (215), | |
737 | EMPTY_HOWTO (216), | |
738 | EMPTY_HOWTO (217), | |
739 | EMPTY_HOWTO (218), | |
740 | EMPTY_HOWTO (219), | |
741 | EMPTY_HOWTO (220), | |
742 | EMPTY_HOWTO (221), | |
743 | EMPTY_HOWTO (222), | |
744 | EMPTY_HOWTO (223), | |
745 | EMPTY_HOWTO (224), | |
746 | EMPTY_HOWTO (225), | |
747 | EMPTY_HOWTO (226), | |
748 | EMPTY_HOWTO (227), | |
749 | EMPTY_HOWTO (228), | |
750 | EMPTY_HOWTO (229), | |
751 | EMPTY_HOWTO (230), | |
752 | EMPTY_HOWTO (231), | |
753 | EMPTY_HOWTO (232), | |
754 | EMPTY_HOWTO (233), | |
755 | EMPTY_HOWTO (234), | |
756 | EMPTY_HOWTO (235), | |
757 | EMPTY_HOWTO (236), | |
758 | EMPTY_HOWTO (237), | |
759 | EMPTY_HOWTO (238), | |
760 | EMPTY_HOWTO (239), | |
761 | EMPTY_HOWTO (240), | |
762 | EMPTY_HOWTO (241), | |
763 | EMPTY_HOWTO (242), | |
764 | EMPTY_HOWTO (243), | |
765 | EMPTY_HOWTO (244), | |
766 | EMPTY_HOWTO (245), | |
767 | EMPTY_HOWTO (246), | |
768 | EMPTY_HOWTO (247), | |
769 | EMPTY_HOWTO (248), | |
770 | EMPTY_HOWTO (249), | |
771 | EMPTY_HOWTO (250), | |
772 | EMPTY_HOWTO (251), | |
773 | EMPTY_HOWTO (252), | |
774 | HOWTO (R_C6000_ALIGN, /* type */ | |
775 | 0, /* rightshift */ | |
776 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
777 | 0, /* bitsize */ | |
778 | FALSE, /* pc_relative */ | |
779 | 0, /* bitpos */ | |
780 | complain_overflow_dont,/* complain_on_overflow */ | |
781 | bfd_elf_generic_reloc, /* special_function */ | |
782 | "R_C6000_ALIGN", /* name */ | |
783 | FALSE, /* partial_inplace */ | |
784 | 0, /* src_mask */ | |
785 | 0, /* dst_mask */ | |
786 | FALSE), /* pcrel_offset */ | |
787 | HOWTO (R_C6000_FPHEAD, /* type */ | |
788 | 0, /* rightshift */ | |
789 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
790 | 0, /* bitsize */ | |
791 | FALSE, /* pc_relative */ | |
792 | 0, /* bitpos */ | |
793 | complain_overflow_dont,/* complain_on_overflow */ | |
794 | bfd_elf_generic_reloc, /* special_function */ | |
795 | "R_C6000_FPHEAD", /* name */ | |
796 | FALSE, /* partial_inplace */ | |
797 | 0, /* src_mask */ | |
798 | 0, /* dst_mask */ | |
799 | FALSE), /* pcrel_offset */ | |
800 | HOWTO (R_C6000_NOCMP, /* type */ | |
801 | 0, /* rightshift */ | |
802 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
803 | 0, /* bitsize */ | |
804 | FALSE, /* pc_relative */ | |
805 | 0, /* bitpos */ | |
806 | complain_overflow_dont,/* complain_on_overflow */ | |
807 | bfd_elf_generic_reloc, /* special_function */ | |
808 | "R_C6000_NOCMP", /* name */ | |
809 | FALSE, /* partial_inplace */ | |
810 | 0, /* src_mask */ | |
811 | 0, /* dst_mask */ | |
812 | FALSE) /* pcrel_offset */ | |
813 | }; | |
814 | ||
815 | static reloc_howto_type elf32_tic6x_howto_table_rel[] = | |
816 | { | |
817 | HOWTO (R_C6000_NONE, /* type */ | |
818 | 0, /* rightshift */ | |
6346d5ca | 819 | 3, /* size (0 = byte, 1 = short, 2 = long) */ |
41820509 JM |
820 | 0, /* bitsize */ |
821 | FALSE, /* pc_relative */ | |
822 | 0, /* bitpos */ | |
823 | complain_overflow_dont,/* complain_on_overflow */ | |
824 | bfd_elf_generic_reloc, /* special_function */ | |
825 | "R_C6000_NONE", /* name */ | |
826 | TRUE, /* partial_inplace */ | |
40b36596 JM |
827 | 0, /* src_mask */ |
828 | 0, /* dst_mask */ | |
829 | FALSE), /* pcrel_offset */ | |
830 | HOWTO (R_C6000_ABS32, /* type */ | |
831 | 0, /* rightshift */ | |
832 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
833 | 32, /* bitsize */ | |
834 | FALSE, /* pc_relative */ | |
835 | 0, /* bitpos */ | |
836 | complain_overflow_dont,/* complain_on_overflow */ | |
837 | bfd_elf_generic_reloc, /* special_function */ | |
838 | "R_C6000_ABS32", /* name */ | |
41820509 JM |
839 | TRUE, /* partial_inplace */ |
840 | 0xffffffff, /* src_mask */ | |
40b36596 JM |
841 | 0xffffffff, /* dst_mask */ |
842 | FALSE), /* pcrel_offset */ | |
843 | HOWTO (R_C6000_ABS16, /* type */ | |
844 | 0, /* rightshift */ | |
845 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
846 | 16, /* bitsize */ | |
847 | FALSE, /* pc_relative */ | |
848 | 0, /* bitpos */ | |
849 | complain_overflow_bitfield,/* complain_on_overflow */ | |
850 | bfd_elf_generic_reloc, /* special_function */ | |
851 | "R_C6000_ABS16", /* name */ | |
41820509 JM |
852 | TRUE, /* partial_inplace */ |
853 | 0x0000ffff, /* src_mask */ | |
40b36596 JM |
854 | 0x0000ffff, /* dst_mask */ |
855 | FALSE), /* pcrel_offset */ | |
856 | HOWTO (R_C6000_ABS8, /* type */ | |
857 | 0, /* rightshift */ | |
858 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
859 | 8, /* bitsize */ | |
860 | FALSE, /* pc_relative */ | |
861 | 0, /* bitpos */ | |
862 | complain_overflow_bitfield,/* complain_on_overflow */ | |
863 | bfd_elf_generic_reloc, /* special_function */ | |
864 | "R_C6000_ABS8", /* name */ | |
41820509 JM |
865 | TRUE, /* partial_inplace */ |
866 | 0x000000ff, /* src_mask */ | |
40b36596 JM |
867 | 0x000000ff, /* dst_mask */ |
868 | FALSE), /* pcrel_offset */ | |
869 | HOWTO (R_C6000_PCR_S21, /* type */ | |
870 | 2, /* rightshift */ | |
871 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
872 | 21, /* bitsize */ | |
873 | TRUE, /* pc_relative */ | |
874 | 7, /* bitpos */ | |
875 | complain_overflow_signed,/* complain_on_overflow */ | |
876 | bfd_elf_generic_reloc, /* special_function */ | |
877 | "R_C6000_PCR_S21", /* name */ | |
41820509 JM |
878 | TRUE, /* partial_inplace */ |
879 | 0x0fffff80, /* src_mask */ | |
40b36596 JM |
880 | 0x0fffff80, /* dst_mask */ |
881 | TRUE), /* pcrel_offset */ | |
882 | HOWTO (R_C6000_PCR_S12, /* type */ | |
883 | 2, /* rightshift */ | |
884 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
885 | 12, /* bitsize */ | |
886 | TRUE, /* pc_relative */ | |
887 | 16, /* bitpos */ | |
888 | complain_overflow_signed,/* complain_on_overflow */ | |
889 | bfd_elf_generic_reloc, /* special_function */ | |
890 | "R_C6000_PCR_S12", /* name */ | |
41820509 JM |
891 | TRUE, /* partial_inplace */ |
892 | 0x0fff0000, /* src_mask */ | |
40b36596 JM |
893 | 0x0fff0000, /* dst_mask */ |
894 | TRUE), /* pcrel_offset */ | |
895 | HOWTO (R_C6000_PCR_S10, /* type */ | |
896 | 2, /* rightshift */ | |
897 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
898 | 10, /* bitsize */ | |
899 | TRUE, /* pc_relative */ | |
900 | 13, /* bitpos */ | |
901 | complain_overflow_signed,/* complain_on_overflow */ | |
902 | bfd_elf_generic_reloc, /* special_function */ | |
903 | "R_C6000_PCR_S10", /* name */ | |
41820509 JM |
904 | TRUE, /* partial_inplace */ |
905 | 0x007fe000, /* src_mask */ | |
40b36596 JM |
906 | 0x007fe000, /* dst_mask */ |
907 | TRUE), /* pcrel_offset */ | |
908 | HOWTO (R_C6000_PCR_S7, /* type */ | |
909 | 2, /* rightshift */ | |
910 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
911 | 7, /* bitsize */ | |
912 | TRUE, /* pc_relative */ | |
913 | 16, /* bitpos */ | |
914 | complain_overflow_signed,/* complain_on_overflow */ | |
915 | bfd_elf_generic_reloc, /* special_function */ | |
916 | "R_C6000_PCR_S7", /* name */ | |
41820509 JM |
917 | TRUE, /* partial_inplace */ |
918 | 0x007f0000, /* src_mask */ | |
40b36596 JM |
919 | 0x007f0000, /* dst_mask */ |
920 | TRUE), /* pcrel_offset */ | |
921 | HOWTO (R_C6000_ABS_S16, /* type */ | |
922 | 0, /* rightshift */ | |
923 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
924 | 16, /* bitsize */ | |
925 | FALSE, /* pc_relative */ | |
926 | 7, /* bitpos */ | |
927 | complain_overflow_signed,/* complain_on_overflow */ | |
928 | bfd_elf_generic_reloc, /* special_function */ | |
929 | "R_C6000_ABS_S16", /* name */ | |
41820509 JM |
930 | TRUE, /* partial_inplace */ |
931 | 0x007fff80, /* src_mask */ | |
40b36596 JM |
932 | 0x007fff80, /* dst_mask */ |
933 | FALSE), /* pcrel_offset */ | |
934 | HOWTO (R_C6000_ABS_L16, /* type */ | |
935 | 0, /* rightshift */ | |
936 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
937 | 16, /* bitsize */ | |
938 | FALSE, /* pc_relative */ | |
939 | 7, /* bitpos */ | |
940 | complain_overflow_dont,/* complain_on_overflow */ | |
941 | bfd_elf_generic_reloc, /* special_function */ | |
942 | "R_C6000_ABS_L16", /* name */ | |
41820509 JM |
943 | TRUE, /* partial_inplace */ |
944 | 0x007fff80, /* src_mask */ | |
40b36596 JM |
945 | 0x007fff80, /* dst_mask */ |
946 | FALSE), /* pcrel_offset */ | |
41820509 | 947 | EMPTY_HOWTO (R_C6000_ABS_H16), |
40b36596 JM |
948 | HOWTO (R_C6000_SBR_U15_B, /* type */ |
949 | 0, /* rightshift */ | |
950 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
951 | 15, /* bitsize */ | |
952 | FALSE, /* pc_relative */ | |
953 | 8, /* bitpos */ | |
954 | complain_overflow_unsigned,/* complain_on_overflow */ | |
955 | bfd_elf_generic_reloc, /* special_function */ | |
956 | "R_C6000_SBR_U15_B", /* name */ | |
41820509 JM |
957 | TRUE, /* partial_inplace */ |
958 | 0x007fff00, /* src_mask */ | |
40b36596 JM |
959 | 0x007fff00, /* dst_mask */ |
960 | FALSE), /* pcrel_offset */ | |
961 | HOWTO (R_C6000_SBR_U15_H, /* type */ | |
962 | 1, /* rightshift */ | |
963 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
964 | 15, /* bitsize */ | |
965 | FALSE, /* pc_relative */ | |
966 | 8, /* bitpos */ | |
967 | complain_overflow_unsigned,/* complain_on_overflow */ | |
968 | bfd_elf_generic_reloc, /* special_function */ | |
969 | "R_C6000_SBR_U15_H", /* name */ | |
41820509 JM |
970 | TRUE, /* partial_inplace */ |
971 | 0x007fff00, /* src_mask */ | |
40b36596 JM |
972 | 0x007fff00, /* dst_mask */ |
973 | FALSE), /* pcrel_offset */ | |
974 | HOWTO (R_C6000_SBR_U15_W, /* type */ | |
975 | 2, /* rightshift */ | |
976 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
977 | 15, /* bitsize */ | |
978 | FALSE, /* pc_relative */ | |
979 | 8, /* bitpos */ | |
980 | complain_overflow_unsigned,/* complain_on_overflow */ | |
981 | bfd_elf_generic_reloc, /* special_function */ | |
982 | "R_C6000_SBR_U15_W", /* name */ | |
41820509 JM |
983 | TRUE, /* partial_inplace */ |
984 | 0x007fff00, /* src_mask */ | |
40b36596 JM |
985 | 0x007fff00, /* dst_mask */ |
986 | FALSE), /* pcrel_offset */ | |
987 | HOWTO (R_C6000_SBR_S16, /* type */ | |
988 | 0, /* rightshift */ | |
989 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
990 | 16, /* bitsize */ | |
991 | FALSE, /* pc_relative */ | |
992 | 7, /* bitpos */ | |
993 | complain_overflow_signed,/* complain_on_overflow */ | |
994 | bfd_elf_generic_reloc, /* special_function */ | |
995 | "R_C6000_SBR_S16", /* name */ | |
41820509 JM |
996 | TRUE, /* partial_inplace */ |
997 | 0x007fff80, /* src_mask */ | |
40b36596 JM |
998 | 0x007fff80, /* dst_mask */ |
999 | FALSE), /* pcrel_offset */ | |
1000 | HOWTO (R_C6000_SBR_L16_B, /* type */ | |
1001 | 0, /* rightshift */ | |
1002 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1003 | 16, /* bitsize */ | |
1004 | FALSE, /* pc_relative */ | |
1005 | 7, /* bitpos */ | |
1006 | complain_overflow_dont,/* complain_on_overflow */ | |
1007 | bfd_elf_generic_reloc, /* special_function */ | |
1008 | "R_C6000_SBR_L16_B", /* name */ | |
41820509 JM |
1009 | TRUE, /* partial_inplace */ |
1010 | 0x007fff80, /* src_mask */ | |
40b36596 JM |
1011 | 0x007fff80, /* dst_mask */ |
1012 | FALSE), /* pcrel_offset */ | |
1013 | HOWTO (R_C6000_SBR_L16_H, /* type */ | |
1014 | 1, /* rightshift */ | |
1015 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1016 | 16, /* bitsize */ | |
1017 | FALSE, /* pc_relative */ | |
1018 | 7, /* bitpos */ | |
1019 | complain_overflow_dont,/* complain_on_overflow */ | |
1020 | bfd_elf_generic_reloc, /* special_function */ | |
1021 | "R_C6000_SBR_L16_H", /* name */ | |
41820509 JM |
1022 | TRUE, /* partial_inplace */ |
1023 | 0x007fff80, /* src_mask */ | |
40b36596 JM |
1024 | 0x007fff80, /* dst_mask */ |
1025 | FALSE), /* pcrel_offset */ | |
1026 | HOWTO (R_C6000_SBR_L16_W, /* type */ | |
1027 | 2, /* rightshift */ | |
1028 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1029 | 16, /* bitsize */ | |
1030 | FALSE, /* pc_relative */ | |
1031 | 7, /* bitpos */ | |
1032 | complain_overflow_dont,/* complain_on_overflow */ | |
1033 | bfd_elf_generic_reloc, /* special_function */ | |
1034 | "R_C6000_SBR_L16_W", /* name */ | |
41820509 JM |
1035 | TRUE, /* partial_inplace */ |
1036 | 0x007fff80, /* src_mask */ | |
40b36596 JM |
1037 | 0x007fff80, /* dst_mask */ |
1038 | FALSE), /* pcrel_offset */ | |
41820509 JM |
1039 | EMPTY_HOWTO (R_C6000_SBR_H16_B), |
1040 | EMPTY_HOWTO (R_C6000_SBR_H16_H), | |
1041 | EMPTY_HOWTO (R_C6000_SBR_H16_W), | |
40b36596 JM |
1042 | HOWTO (R_C6000_SBR_GOT_U15_W, /* type */ |
1043 | 2, /* rightshift */ | |
1044 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1045 | 15, /* bitsize */ | |
1046 | FALSE, /* pc_relative */ | |
1047 | 8, /* bitpos */ | |
1048 | complain_overflow_unsigned,/* complain_on_overflow */ | |
1049 | bfd_elf_generic_reloc, /* special_function */ | |
1050 | "R_C6000_SBR_GOT_U15_W",/* name */ | |
41820509 JM |
1051 | TRUE, /* partial_inplace */ |
1052 | 0x007fff00, /* src_mask */ | |
40b36596 JM |
1053 | 0x007fff00, /* dst_mask */ |
1054 | FALSE), /* pcrel_offset */ | |
1055 | HOWTO (R_C6000_SBR_GOT_L16_W, /* type */ | |
1056 | 2, /* rightshift */ | |
1057 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1058 | 16, /* bitsize */ | |
1059 | FALSE, /* pc_relative */ | |
1060 | 7, /* bitpos */ | |
1061 | complain_overflow_dont,/* complain_on_overflow */ | |
1062 | bfd_elf_generic_reloc, /* special_function */ | |
1063 | "R_C6000_SBR_GOT_L16_W",/* name */ | |
41820509 JM |
1064 | TRUE, /* partial_inplace */ |
1065 | 0x007fff80, /* src_mask */ | |
40b36596 JM |
1066 | 0x007fff80, /* dst_mask */ |
1067 | FALSE), /* pcrel_offset */ | |
41820509 | 1068 | EMPTY_HOWTO (R_C6000_SBR_GOT_H16_W), |
40b36596 JM |
1069 | HOWTO (R_C6000_DSBT_INDEX, /* type */ |
1070 | 0, /* rightshift */ | |
1071 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1072 | 15, /* bitsize */ | |
1073 | FALSE, /* pc_relative */ | |
1074 | 8, /* bitpos */ | |
1075 | complain_overflow_unsigned,/* complain_on_overflow */ | |
1076 | bfd_elf_generic_reloc, /* special_function */ | |
1077 | "R_C6000_DSBT_INDEX", /* name */ | |
41820509 | 1078 | TRUE, /* partial_inplace */ |
40b36596 JM |
1079 | 0, /* src_mask */ |
1080 | 0x007fff00, /* dst_mask */ | |
1081 | FALSE), /* pcrel_offset */ | |
1082 | HOWTO (R_C6000_PREL31, /* type */ | |
1083 | 1, /* rightshift */ | |
1084 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1085 | 31, /* bitsize */ | |
44e87ece | 1086 | TRUE, /* pc_relative */ |
40b36596 JM |
1087 | 0, /* bitpos */ |
1088 | complain_overflow_dont,/* complain_on_overflow */ | |
1089 | bfd_elf_generic_reloc, /* special_function */ | |
1090 | "R_C6000_PREL31", /* name */ | |
41820509 | 1091 | TRUE, /* partial_inplace */ |
40b36596 JM |
1092 | 0, /* src_mask */ |
1093 | 0x7fffffff, /* dst_mask */ | |
44e87ece | 1094 | TRUE), /* pcrel_offset */ |
40b36596 JM |
1095 | HOWTO (R_C6000_COPY, /* type */ |
1096 | 0, /* rightshift */ | |
1097 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1098 | 32, /* bitsize */ | |
1099 | FALSE, /* pc_relative */ | |
1100 | 0, /* bitpos */ | |
1101 | complain_overflow_dont,/* complain_on_overflow */ | |
1102 | bfd_elf_generic_reloc, /* special_function */ | |
1103 | "R_C6000_COPY", /* name */ | |
41820509 | 1104 | TRUE, /* partial_inplace */ |
40b36596 JM |
1105 | 0, /* src_mask */ |
1106 | 0xffffffff, /* dst_mask */ | |
1107 | FALSE), /* pcrel_offset */ | |
ac145307 BS |
1108 | HOWTO (R_C6000_JUMP_SLOT, /* type */ |
1109 | 0, /* rightshift */ | |
1110 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1111 | 32, /* bitsize */ | |
1112 | FALSE, /* pc_relative */ | |
1113 | 0, /* bitpos */ | |
1114 | complain_overflow_dont,/* complain_on_overflow */ | |
1115 | bfd_elf_generic_reloc, /* special_function */ | |
1116 | "R_C6000_JUMP_SLOT", /* name */ | |
1117 | FALSE, /* partial_inplace */ | |
1118 | 0, /* src_mask */ | |
1119 | 0xffffffff, /* dst_mask */ | |
1120 | FALSE), /* pcrel_offset */ | |
2fbb87f6 PB |
1121 | HOWTO (R_C6000_EHTYPE, /* type */ |
1122 | 0, /* rightshift */ | |
1123 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1124 | 32, /* bitsize */ | |
1125 | FALSE, /* pc_relative */ | |
1126 | 0, /* bitpos */ | |
1127 | complain_overflow_dont,/* complain_on_overflow */ | |
1128 | bfd_elf_generic_reloc, /* special_function */ | |
1129 | "R_C6000_EHTYPE", /* name */ | |
1130 | FALSE, /* partial_inplace */ | |
1131 | 0, /* src_mask */ | |
1132 | 0xffffffff, /* dst_mask */ | |
1133 | FALSE), /* pcrel_offset */ | |
4a732032 BS |
1134 | EMPTY_HOWTO (R_C6000_PCR_H16), |
1135 | EMPTY_HOWTO (R_C6000_PCR_L16), | |
40b36596 JM |
1136 | EMPTY_HOWTO (31), |
1137 | EMPTY_HOWTO (32), | |
1138 | EMPTY_HOWTO (33), | |
1139 | EMPTY_HOWTO (34), | |
1140 | EMPTY_HOWTO (35), | |
1141 | EMPTY_HOWTO (36), | |
1142 | EMPTY_HOWTO (37), | |
1143 | EMPTY_HOWTO (38), | |
1144 | EMPTY_HOWTO (39), | |
1145 | EMPTY_HOWTO (40), | |
1146 | EMPTY_HOWTO (41), | |
1147 | EMPTY_HOWTO (42), | |
1148 | EMPTY_HOWTO (43), | |
1149 | EMPTY_HOWTO (44), | |
1150 | EMPTY_HOWTO (45), | |
1151 | EMPTY_HOWTO (46), | |
1152 | EMPTY_HOWTO (47), | |
1153 | EMPTY_HOWTO (48), | |
1154 | EMPTY_HOWTO (49), | |
1155 | EMPTY_HOWTO (50), | |
1156 | EMPTY_HOWTO (51), | |
1157 | EMPTY_HOWTO (52), | |
1158 | EMPTY_HOWTO (53), | |
1159 | EMPTY_HOWTO (54), | |
1160 | EMPTY_HOWTO (55), | |
1161 | EMPTY_HOWTO (56), | |
1162 | EMPTY_HOWTO (57), | |
1163 | EMPTY_HOWTO (58), | |
1164 | EMPTY_HOWTO (59), | |
1165 | EMPTY_HOWTO (60), | |
1166 | EMPTY_HOWTO (61), | |
1167 | EMPTY_HOWTO (62), | |
1168 | EMPTY_HOWTO (63), | |
1169 | EMPTY_HOWTO (64), | |
1170 | EMPTY_HOWTO (65), | |
1171 | EMPTY_HOWTO (66), | |
1172 | EMPTY_HOWTO (67), | |
1173 | EMPTY_HOWTO (68), | |
1174 | EMPTY_HOWTO (69), | |
1175 | EMPTY_HOWTO (70), | |
1176 | EMPTY_HOWTO (71), | |
1177 | EMPTY_HOWTO (72), | |
1178 | EMPTY_HOWTO (73), | |
1179 | EMPTY_HOWTO (74), | |
1180 | EMPTY_HOWTO (75), | |
1181 | EMPTY_HOWTO (76), | |
1182 | EMPTY_HOWTO (77), | |
1183 | EMPTY_HOWTO (78), | |
1184 | EMPTY_HOWTO (79), | |
1185 | EMPTY_HOWTO (80), | |
1186 | EMPTY_HOWTO (81), | |
1187 | EMPTY_HOWTO (82), | |
1188 | EMPTY_HOWTO (83), | |
1189 | EMPTY_HOWTO (84), | |
1190 | EMPTY_HOWTO (85), | |
1191 | EMPTY_HOWTO (86), | |
1192 | EMPTY_HOWTO (87), | |
1193 | EMPTY_HOWTO (88), | |
1194 | EMPTY_HOWTO (89), | |
1195 | EMPTY_HOWTO (90), | |
1196 | EMPTY_HOWTO (91), | |
1197 | EMPTY_HOWTO (92), | |
1198 | EMPTY_HOWTO (93), | |
1199 | EMPTY_HOWTO (94), | |
1200 | EMPTY_HOWTO (95), | |
1201 | EMPTY_HOWTO (96), | |
1202 | EMPTY_HOWTO (97), | |
1203 | EMPTY_HOWTO (98), | |
1204 | EMPTY_HOWTO (99), | |
1205 | EMPTY_HOWTO (100), | |
1206 | EMPTY_HOWTO (101), | |
1207 | EMPTY_HOWTO (102), | |
1208 | EMPTY_HOWTO (103), | |
1209 | EMPTY_HOWTO (104), | |
1210 | EMPTY_HOWTO (105), | |
1211 | EMPTY_HOWTO (106), | |
1212 | EMPTY_HOWTO (107), | |
1213 | EMPTY_HOWTO (108), | |
1214 | EMPTY_HOWTO (109), | |
1215 | EMPTY_HOWTO (110), | |
1216 | EMPTY_HOWTO (111), | |
1217 | EMPTY_HOWTO (112), | |
1218 | EMPTY_HOWTO (113), | |
1219 | EMPTY_HOWTO (114), | |
1220 | EMPTY_HOWTO (115), | |
1221 | EMPTY_HOWTO (116), | |
1222 | EMPTY_HOWTO (117), | |
1223 | EMPTY_HOWTO (118), | |
1224 | EMPTY_HOWTO (119), | |
1225 | EMPTY_HOWTO (120), | |
1226 | EMPTY_HOWTO (121), | |
1227 | EMPTY_HOWTO (122), | |
1228 | EMPTY_HOWTO (123), | |
1229 | EMPTY_HOWTO (124), | |
1230 | EMPTY_HOWTO (125), | |
1231 | EMPTY_HOWTO (126), | |
1232 | EMPTY_HOWTO (127), | |
1233 | EMPTY_HOWTO (128), | |
1234 | EMPTY_HOWTO (129), | |
1235 | EMPTY_HOWTO (130), | |
1236 | EMPTY_HOWTO (131), | |
1237 | EMPTY_HOWTO (132), | |
1238 | EMPTY_HOWTO (133), | |
1239 | EMPTY_HOWTO (134), | |
1240 | EMPTY_HOWTO (135), | |
1241 | EMPTY_HOWTO (136), | |
1242 | EMPTY_HOWTO (137), | |
1243 | EMPTY_HOWTO (138), | |
1244 | EMPTY_HOWTO (139), | |
1245 | EMPTY_HOWTO (140), | |
1246 | EMPTY_HOWTO (141), | |
1247 | EMPTY_HOWTO (142), | |
1248 | EMPTY_HOWTO (143), | |
1249 | EMPTY_HOWTO (144), | |
1250 | EMPTY_HOWTO (145), | |
1251 | EMPTY_HOWTO (146), | |
1252 | EMPTY_HOWTO (147), | |
1253 | EMPTY_HOWTO (148), | |
1254 | EMPTY_HOWTO (149), | |
1255 | EMPTY_HOWTO (150), | |
1256 | EMPTY_HOWTO (151), | |
1257 | EMPTY_HOWTO (152), | |
1258 | EMPTY_HOWTO (153), | |
1259 | EMPTY_HOWTO (154), | |
1260 | EMPTY_HOWTO (155), | |
1261 | EMPTY_HOWTO (156), | |
1262 | EMPTY_HOWTO (157), | |
1263 | EMPTY_HOWTO (158), | |
1264 | EMPTY_HOWTO (159), | |
1265 | EMPTY_HOWTO (160), | |
1266 | EMPTY_HOWTO (161), | |
1267 | EMPTY_HOWTO (162), | |
1268 | EMPTY_HOWTO (163), | |
1269 | EMPTY_HOWTO (164), | |
1270 | EMPTY_HOWTO (165), | |
1271 | EMPTY_HOWTO (166), | |
1272 | EMPTY_HOWTO (167), | |
1273 | EMPTY_HOWTO (168), | |
1274 | EMPTY_HOWTO (169), | |
1275 | EMPTY_HOWTO (170), | |
1276 | EMPTY_HOWTO (171), | |
1277 | EMPTY_HOWTO (172), | |
1278 | EMPTY_HOWTO (173), | |
1279 | EMPTY_HOWTO (174), | |
1280 | EMPTY_HOWTO (175), | |
1281 | EMPTY_HOWTO (176), | |
1282 | EMPTY_HOWTO (177), | |
1283 | EMPTY_HOWTO (178), | |
1284 | EMPTY_HOWTO (179), | |
1285 | EMPTY_HOWTO (180), | |
1286 | EMPTY_HOWTO (181), | |
1287 | EMPTY_HOWTO (182), | |
1288 | EMPTY_HOWTO (183), | |
1289 | EMPTY_HOWTO (184), | |
1290 | EMPTY_HOWTO (185), | |
1291 | EMPTY_HOWTO (186), | |
1292 | EMPTY_HOWTO (187), | |
1293 | EMPTY_HOWTO (188), | |
1294 | EMPTY_HOWTO (189), | |
1295 | EMPTY_HOWTO (190), | |
1296 | EMPTY_HOWTO (191), | |
1297 | EMPTY_HOWTO (192), | |
1298 | EMPTY_HOWTO (193), | |
1299 | EMPTY_HOWTO (194), | |
1300 | EMPTY_HOWTO (195), | |
1301 | EMPTY_HOWTO (196), | |
1302 | EMPTY_HOWTO (197), | |
1303 | EMPTY_HOWTO (198), | |
1304 | EMPTY_HOWTO (199), | |
1305 | EMPTY_HOWTO (200), | |
1306 | EMPTY_HOWTO (201), | |
1307 | EMPTY_HOWTO (202), | |
1308 | EMPTY_HOWTO (203), | |
1309 | EMPTY_HOWTO (204), | |
1310 | EMPTY_HOWTO (205), | |
1311 | EMPTY_HOWTO (206), | |
1312 | EMPTY_HOWTO (207), | |
1313 | EMPTY_HOWTO (208), | |
1314 | EMPTY_HOWTO (209), | |
1315 | EMPTY_HOWTO (210), | |
1316 | EMPTY_HOWTO (211), | |
1317 | EMPTY_HOWTO (212), | |
1318 | EMPTY_HOWTO (213), | |
1319 | EMPTY_HOWTO (214), | |
1320 | EMPTY_HOWTO (215), | |
1321 | EMPTY_HOWTO (216), | |
1322 | EMPTY_HOWTO (217), | |
1323 | EMPTY_HOWTO (218), | |
1324 | EMPTY_HOWTO (219), | |
1325 | EMPTY_HOWTO (220), | |
1326 | EMPTY_HOWTO (221), | |
1327 | EMPTY_HOWTO (222), | |
1328 | EMPTY_HOWTO (223), | |
1329 | EMPTY_HOWTO (224), | |
1330 | EMPTY_HOWTO (225), | |
1331 | EMPTY_HOWTO (226), | |
1332 | EMPTY_HOWTO (227), | |
1333 | EMPTY_HOWTO (228), | |
1334 | EMPTY_HOWTO (229), | |
1335 | EMPTY_HOWTO (230), | |
1336 | EMPTY_HOWTO (231), | |
1337 | EMPTY_HOWTO (232), | |
1338 | EMPTY_HOWTO (233), | |
1339 | EMPTY_HOWTO (234), | |
1340 | EMPTY_HOWTO (235), | |
1341 | EMPTY_HOWTO (236), | |
1342 | EMPTY_HOWTO (237), | |
1343 | EMPTY_HOWTO (238), | |
1344 | EMPTY_HOWTO (239), | |
1345 | EMPTY_HOWTO (240), | |
1346 | EMPTY_HOWTO (241), | |
1347 | EMPTY_HOWTO (242), | |
1348 | EMPTY_HOWTO (243), | |
1349 | EMPTY_HOWTO (244), | |
1350 | EMPTY_HOWTO (245), | |
1351 | EMPTY_HOWTO (246), | |
1352 | EMPTY_HOWTO (247), | |
1353 | EMPTY_HOWTO (248), | |
1354 | EMPTY_HOWTO (249), | |
1355 | EMPTY_HOWTO (250), | |
1356 | EMPTY_HOWTO (251), | |
1357 | EMPTY_HOWTO (252), | |
1358 | HOWTO (R_C6000_ALIGN, /* type */ | |
1359 | 0, /* rightshift */ | |
1360 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
1361 | 0, /* bitsize */ | |
1362 | FALSE, /* pc_relative */ | |
1363 | 0, /* bitpos */ | |
1364 | complain_overflow_dont,/* complain_on_overflow */ | |
1365 | bfd_elf_generic_reloc, /* special_function */ | |
1366 | "R_C6000_ALIGN", /* name */ | |
41820509 | 1367 | TRUE, /* partial_inplace */ |
40b36596 JM |
1368 | 0, /* src_mask */ |
1369 | 0, /* dst_mask */ | |
1370 | FALSE), /* pcrel_offset */ | |
1371 | HOWTO (R_C6000_FPHEAD, /* type */ | |
1372 | 0, /* rightshift */ | |
1373 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
1374 | 0, /* bitsize */ | |
1375 | FALSE, /* pc_relative */ | |
1376 | 0, /* bitpos */ | |
1377 | complain_overflow_dont,/* complain_on_overflow */ | |
1378 | bfd_elf_generic_reloc, /* special_function */ | |
1379 | "R_C6000_FPHEAD", /* name */ | |
41820509 | 1380 | TRUE, /* partial_inplace */ |
40b36596 JM |
1381 | 0, /* src_mask */ |
1382 | 0, /* dst_mask */ | |
1383 | FALSE), /* pcrel_offset */ | |
1384 | HOWTO (R_C6000_NOCMP, /* type */ | |
1385 | 0, /* rightshift */ | |
1386 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
1387 | 0, /* bitsize */ | |
1388 | FALSE, /* pc_relative */ | |
1389 | 0, /* bitpos */ | |
1390 | complain_overflow_dont,/* complain_on_overflow */ | |
1391 | bfd_elf_generic_reloc, /* special_function */ | |
1392 | "R_C6000_NOCMP", /* name */ | |
41820509 | 1393 | TRUE, /* partial_inplace */ |
40b36596 JM |
1394 | 0, /* src_mask */ |
1395 | 0, /* dst_mask */ | |
1396 | FALSE) /* pcrel_offset */ | |
1397 | }; | |
1398 | ||
1399 | /* Map BFD relocations to ELF relocations. */ | |
1400 | ||
1401 | typedef struct | |
1402 | { | |
1403 | bfd_reloc_code_real_type bfd_reloc_val; | |
1404 | enum elf_tic6x_reloc_type elf_reloc_val; | |
1405 | } tic6x_reloc_map; | |
1406 | ||
1407 | static const tic6x_reloc_map elf32_tic6x_reloc_map[] = | |
1408 | { | |
1409 | { BFD_RELOC_NONE, R_C6000_NONE }, | |
1410 | { BFD_RELOC_32, R_C6000_ABS32 }, | |
1411 | { BFD_RELOC_16, R_C6000_ABS16 }, | |
1412 | { BFD_RELOC_8, R_C6000_ABS8 }, | |
1413 | { BFD_RELOC_C6000_PCR_S21, R_C6000_PCR_S21 }, | |
1414 | { BFD_RELOC_C6000_PCR_S12, R_C6000_PCR_S12 }, | |
1415 | { BFD_RELOC_C6000_PCR_S10, R_C6000_PCR_S10 }, | |
1416 | { BFD_RELOC_C6000_PCR_S7, R_C6000_PCR_S7 }, | |
1417 | { BFD_RELOC_C6000_ABS_S16, R_C6000_ABS_S16 }, | |
1418 | { BFD_RELOC_C6000_ABS_L16, R_C6000_ABS_L16 }, | |
1419 | { BFD_RELOC_C6000_ABS_H16, R_C6000_ABS_H16 }, | |
1420 | { BFD_RELOC_C6000_SBR_U15_B, R_C6000_SBR_U15_B }, | |
1421 | { BFD_RELOC_C6000_SBR_U15_H, R_C6000_SBR_U15_H }, | |
1422 | { BFD_RELOC_C6000_SBR_U15_W, R_C6000_SBR_U15_W }, | |
1423 | { BFD_RELOC_C6000_SBR_S16, R_C6000_SBR_S16 }, | |
1424 | { BFD_RELOC_C6000_SBR_L16_B, R_C6000_SBR_L16_B }, | |
1425 | { BFD_RELOC_C6000_SBR_L16_H, R_C6000_SBR_L16_H }, | |
1426 | { BFD_RELOC_C6000_SBR_L16_W, R_C6000_SBR_L16_W }, | |
1427 | { BFD_RELOC_C6000_SBR_H16_B, R_C6000_SBR_H16_B }, | |
1428 | { BFD_RELOC_C6000_SBR_H16_H, R_C6000_SBR_H16_H }, | |
1429 | { BFD_RELOC_C6000_SBR_H16_W, R_C6000_SBR_H16_W }, | |
1430 | { BFD_RELOC_C6000_SBR_GOT_U15_W, R_C6000_SBR_GOT_U15_W }, | |
1431 | { BFD_RELOC_C6000_SBR_GOT_L16_W, R_C6000_SBR_GOT_L16_W }, | |
1432 | { BFD_RELOC_C6000_SBR_GOT_H16_W, R_C6000_SBR_GOT_H16_W }, | |
1433 | { BFD_RELOC_C6000_DSBT_INDEX, R_C6000_DSBT_INDEX }, | |
1434 | { BFD_RELOC_C6000_PREL31, R_C6000_PREL31 }, | |
1435 | { BFD_RELOC_C6000_COPY, R_C6000_COPY }, | |
ac145307 BS |
1436 | { BFD_RELOC_C6000_JUMP_SLOT, R_C6000_JUMP_SLOT }, |
1437 | { BFD_RELOC_C6000_EHTYPE, R_C6000_EHTYPE }, | |
1438 | { BFD_RELOC_C6000_PCR_H16, R_C6000_PCR_H16 }, | |
1439 | { BFD_RELOC_C6000_PCR_L16, R_C6000_PCR_L16 }, | |
40b36596 JM |
1440 | { BFD_RELOC_C6000_ALIGN, R_C6000_ALIGN }, |
1441 | { BFD_RELOC_C6000_FPHEAD, R_C6000_FPHEAD }, | |
1442 | { BFD_RELOC_C6000_NOCMP, R_C6000_NOCMP } | |
1443 | }; | |
1444 | ||
1445 | static reloc_howto_type * | |
41820509 | 1446 | elf32_tic6x_reloc_type_lookup (bfd *abfd, bfd_reloc_code_real_type code) |
40b36596 JM |
1447 | { |
1448 | unsigned int i; | |
1449 | ||
1450 | for (i = 0; i < ARRAY_SIZE (elf32_tic6x_reloc_map); i++) | |
1451 | if (elf32_tic6x_reloc_map[i].bfd_reloc_val == code) | |
41820509 JM |
1452 | { |
1453 | enum elf_tic6x_reloc_type elf_reloc_val; | |
1454 | reloc_howto_type *howto; | |
1455 | ||
1456 | elf_reloc_val = elf32_tic6x_reloc_map[i].elf_reloc_val; | |
1457 | if (elf32_tic6x_tdata (abfd)->use_rela_p) | |
1458 | howto = &elf32_tic6x_howto_table[elf_reloc_val]; | |
1459 | else | |
1460 | howto = &elf32_tic6x_howto_table_rel[elf_reloc_val]; | |
1461 | ||
1462 | /* Some relocations are RELA-only; do not return them for | |
1463 | REL. */ | |
1464 | if (howto->name == NULL) | |
1465 | howto = NULL; | |
1466 | ||
1467 | return howto; | |
1468 | } | |
40b36596 JM |
1469 | |
1470 | return NULL; | |
1471 | } | |
1472 | ||
1473 | static reloc_howto_type * | |
41820509 | 1474 | elf32_tic6x_reloc_name_lookup (bfd *abfd, const char *r_name) |
40b36596 | 1475 | { |
41820509 JM |
1476 | if (elf32_tic6x_tdata (abfd)->use_rela_p) |
1477 | { | |
1478 | unsigned int i; | |
1479 | ||
1480 | for (i = 0; i < ARRAY_SIZE (elf32_tic6x_howto_table); i++) | |
1481 | if (elf32_tic6x_howto_table[i].name != NULL | |
1482 | && strcasecmp (elf32_tic6x_howto_table[i].name, r_name) == 0) | |
1483 | return &elf32_tic6x_howto_table[i]; | |
1484 | } | |
1485 | else | |
1486 | { | |
1487 | unsigned int i; | |
40b36596 | 1488 | |
41820509 JM |
1489 | for (i = 0; i < ARRAY_SIZE (elf32_tic6x_howto_table_rel); i++) |
1490 | if (elf32_tic6x_howto_table_rel[i].name != NULL | |
1491 | && strcasecmp (elf32_tic6x_howto_table_rel[i].name, r_name) == 0) | |
1492 | return &elf32_tic6x_howto_table_rel[i]; | |
1493 | } | |
40b36596 JM |
1494 | |
1495 | return NULL; | |
1496 | } | |
1497 | ||
1498 | static void | |
1499 | elf32_tic6x_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED, arelent *bfd_reloc, | |
1500 | Elf_Internal_Rela *elf_reloc) | |
1501 | { | |
1502 | unsigned int r_type; | |
1503 | ||
1504 | r_type = ELF32_R_TYPE (elf_reloc->r_info); | |
1505 | if (r_type >= ARRAY_SIZE (elf32_tic6x_howto_table)) | |
1506 | bfd_reloc->howto = NULL; | |
1507 | else | |
1508 | bfd_reloc->howto = &elf32_tic6x_howto_table[r_type]; | |
1509 | } | |
1510 | ||
41820509 JM |
1511 | static void |
1512 | elf32_tic6x_info_to_howto_rel (bfd *abfd ATTRIBUTE_UNUSED, arelent *bfd_reloc, | |
1513 | Elf_Internal_Rela *elf_reloc) | |
1514 | { | |
1515 | unsigned int r_type; | |
1516 | ||
1517 | r_type = ELF32_R_TYPE (elf_reloc->r_info); | |
1518 | if (r_type >= ARRAY_SIZE (elf32_tic6x_howto_table_rel)) | |
1519 | bfd_reloc->howto = NULL; | |
1520 | else | |
1521 | bfd_reloc->howto = &elf32_tic6x_howto_table_rel[r_type]; | |
1522 | } | |
1523 | ||
1524 | void | |
1525 | elf32_tic6x_set_use_rela_p (bfd *abfd, bfd_boolean use_rela_p) | |
1526 | { | |
1527 | elf32_tic6x_tdata (abfd)->use_rela_p = use_rela_p; | |
1528 | } | |
1529 | ||
ac145307 BS |
1530 | /* Create an entry in a C6X ELF linker hash table. */ |
1531 | ||
1532 | static struct bfd_hash_entry * | |
1533 | elf32_tic6x_link_hash_newfunc (struct bfd_hash_entry *entry, | |
1534 | struct bfd_hash_table *table, | |
1535 | const char *string) | |
1536 | { | |
1537 | /* Allocate the structure if it has not already been allocated by a | |
1538 | subclass. */ | |
1539 | if (entry == NULL) | |
1540 | { | |
1541 | entry = bfd_hash_allocate (table, | |
1542 | sizeof (struct elf32_tic6x_link_hash_entry)); | |
1543 | if (entry == NULL) | |
1544 | return entry; | |
1545 | } | |
1546 | ||
1547 | /* Call the allocation method of the superclass. */ | |
1548 | entry = _bfd_elf_link_hash_newfunc (entry, table, string); | |
1549 | if (entry != NULL) | |
1550 | { | |
1551 | struct elf32_tic6x_link_hash_entry *eh; | |
1552 | ||
1553 | eh = (struct elf32_tic6x_link_hash_entry *) entry; | |
1554 | eh->dyn_relocs = NULL; | |
1555 | } | |
1556 | ||
1557 | return entry; | |
1558 | } | |
1559 | ||
1560 | /* Create a C6X ELF linker hash table. */ | |
1561 | ||
1562 | static struct bfd_link_hash_table * | |
1563 | elf32_tic6x_link_hash_table_create (bfd *abfd) | |
1564 | { | |
1565 | struct elf32_tic6x_link_hash_table *ret; | |
1566 | bfd_size_type amt = sizeof (struct elf32_tic6x_link_hash_table); | |
1567 | ||
7bf52ea2 | 1568 | ret = bfd_zmalloc (amt); |
ac145307 BS |
1569 | if (ret == NULL) |
1570 | return NULL; | |
1571 | ||
1572 | if (!_bfd_elf_link_hash_table_init (&ret->elf, abfd, | |
1573 | elf32_tic6x_link_hash_newfunc, | |
1574 | sizeof (struct elf32_tic6x_link_hash_entry), | |
1575 | TIC6X_ELF_DATA)) | |
1576 | { | |
1577 | free (ret); | |
1578 | return NULL; | |
1579 | } | |
1580 | ||
ac145307 BS |
1581 | ret->obfd = abfd; |
1582 | ret->elf.is_relocatable_executable = 1; | |
1583 | ||
1584 | return &ret->elf.root; | |
1585 | } | |
1586 | ||
c6a8f6e0 BS |
1587 | static bfd_boolean |
1588 | elf32_tic6x_final_link (bfd *abfd, struct bfd_link_info *info) | |
1589 | { | |
0e1862bb | 1590 | if (bfd_link_pic (info)) |
c6a8f6e0 BS |
1591 | { |
1592 | obj_attribute *out_attr; | |
1593 | out_attr = elf_known_obj_attributes_proc (abfd); | |
1594 | if (out_attr[Tag_ABI_PIC].i == 0) | |
1595 | { | |
1596 | _bfd_error_handler (_("warning: generating a shared library " | |
1597 | "containing non-PIC code")); | |
1598 | } | |
1599 | if (out_attr[Tag_ABI_PID].i == 0) | |
1600 | { | |
1601 | _bfd_error_handler (_("warning: generating a shared library " | |
1602 | "containing non-PID code")); | |
1603 | } | |
1604 | } | |
1605 | /* Invoke the regular ELF backend linker to do all the work. */ | |
1606 | if (!bfd_elf_final_link (abfd, info)) | |
1607 | return FALSE; | |
1608 | ||
1609 | return TRUE; | |
1610 | } | |
1611 | ||
ac145307 BS |
1612 | /* Called to pass PARAMS to the backend. We store them in the hash table |
1613 | associated with INFO. */ | |
1614 | ||
1615 | void | |
1616 | elf32_tic6x_setup (struct bfd_link_info *info, | |
1617 | struct elf32_tic6x_params *params) | |
1618 | { | |
1619 | struct elf32_tic6x_link_hash_table *htab = elf32_tic6x_hash_table (info); | |
1620 | htab->params = *params; | |
1621 | } | |
1622 | ||
1623 | /* Determine if we're dealing with a DSBT object. */ | |
1624 | ||
1625 | static bfd_boolean | |
1626 | elf32_tic6x_using_dsbt (bfd *abfd) | |
1627 | { | |
1628 | return bfd_elf_get_obj_attr_int (abfd, OBJ_ATTR_PROC, | |
1629 | Tag_ABI_DSBT); | |
1630 | } | |
1631 | ||
1632 | /* Create .plt, .rela.plt, .got, .got.plt, .rela.got and .dsbt | |
1633 | sections in DYNOBJ, and set up shortcuts to them in our hash | |
1634 | table. */ | |
1635 | ||
1636 | static bfd_boolean | |
1637 | elf32_tic6x_create_dynamic_sections (bfd *dynobj, struct bfd_link_info *info) | |
1638 | { | |
1639 | struct elf32_tic6x_link_hash_table *htab; | |
1640 | flagword flags; | |
1641 | ||
1642 | htab = elf32_tic6x_hash_table (info); | |
1643 | if (htab == NULL) | |
1644 | return FALSE; | |
1645 | ||
1646 | if (!_bfd_elf_create_dynamic_sections (dynobj, info)) | |
1647 | return FALSE; | |
1648 | ||
1649 | /* Create .dsbt */ | |
1650 | flags = (SEC_ALLOC | SEC_LOAD | |
1651 | | SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_LINKER_CREATED); | |
1652 | htab->dsbt = bfd_make_section_anyway_with_flags (dynobj, ".dsbt", | |
1653 | flags); | |
1654 | if (htab->dsbt == NULL | |
1655 | || ! bfd_set_section_alignment (dynobj, htab->dsbt, 2) | |
1656 | || ! bfd_set_section_alignment (dynobj, htab->elf.splt, 5)) | |
1657 | return FALSE; | |
1658 | ||
ac145307 BS |
1659 | return TRUE; |
1660 | } | |
1661 | ||
41820509 JM |
1662 | static bfd_boolean |
1663 | elf32_tic6x_mkobject (bfd *abfd) | |
1664 | { | |
1665 | bfd_boolean ret; | |
1666 | ||
1667 | ret = bfd_elf_allocate_object (abfd, sizeof (struct elf32_tic6x_obj_tdata), | |
1668 | TIC6X_ELF_DATA); | |
1669 | if (ret) | |
1670 | elf32_tic6x_set_use_rela_p (abfd, TRUE); | |
1671 | return ret; | |
1672 | } | |
1673 | ||
ac145307 BS |
1674 | /* Install relocation RELA into section SRELA, incrementing its |
1675 | reloc_count. */ | |
1676 | ||
1677 | static void | |
1678 | elf32_tic6x_install_rela (bfd *output_bfd, asection *srela, | |
1679 | Elf_Internal_Rela *rela) | |
1680 | { | |
1681 | bfd_byte *loc; | |
1682 | bfd_vma off = srela->reloc_count++ * sizeof (Elf32_External_Rela); | |
1683 | loc = srela->contents + off; | |
1684 | BFD_ASSERT (off < srela->size); | |
1685 | bfd_elf32_swap_reloca_out (output_bfd, rela, loc); | |
1686 | } | |
1687 | ||
1688 | /* Create a dynamic reloc against the GOT at offset OFFSET. The contents | |
1689 | of the GOT at this offset have been initialized with the relocation. */ | |
1690 | ||
1691 | static void | |
1692 | elf32_tic6x_make_got_dynreloc (bfd *output_bfd, | |
1693 | struct elf32_tic6x_link_hash_table *htab, | |
1694 | asection *sym_sec, bfd_vma offset) | |
1695 | { | |
1696 | asection *sgot = htab->elf.sgot; | |
1697 | Elf_Internal_Rela outrel; | |
1698 | int dynindx; | |
1699 | ||
1700 | outrel.r_offset = sgot->output_section->vma + sgot->output_offset + offset; | |
1701 | outrel.r_addend = bfd_get_32 (output_bfd, sgot->contents + offset); | |
1702 | if (sym_sec && sym_sec->output_section | |
1703 | && ! bfd_is_abs_section (sym_sec->output_section) | |
1704 | && ! bfd_is_und_section (sym_sec->output_section)) | |
1705 | { | |
1706 | dynindx = elf_section_data (sym_sec->output_section)->dynindx; | |
1707 | outrel.r_addend -= sym_sec->output_section->vma; | |
1708 | } | |
1709 | else | |
1710 | { | |
1711 | dynindx = 0; | |
1712 | } | |
1713 | outrel.r_info = ELF32_R_INFO (dynindx, R_C6000_ABS32); | |
1714 | elf32_tic6x_install_rela (output_bfd, htab->elf.srelgot, &outrel); | |
1715 | } | |
1716 | ||
1717 | /* Finish up dynamic symbol handling. We set the contents of various | |
1718 | dynamic sections here. */ | |
1719 | ||
1720 | static bfd_boolean | |
1721 | elf32_tic6x_finish_dynamic_symbol (bfd * output_bfd, | |
1722 | struct bfd_link_info *info, | |
1723 | struct elf_link_hash_entry *h, | |
1724 | Elf_Internal_Sym * sym) | |
1725 | { | |
ac145307 BS |
1726 | struct elf32_tic6x_link_hash_table *htab; |
1727 | ||
1728 | htab = elf32_tic6x_hash_table (info); | |
ac145307 BS |
1729 | |
1730 | if (h->plt.offset != (bfd_vma) -1) | |
1731 | { | |
1732 | bfd_vma plt_index; | |
1733 | bfd_vma got_section_offset, got_dp_offset, rela_offset; | |
1734 | Elf_Internal_Rela rela; | |
1735 | bfd_byte *loc; | |
1736 | asection *plt, *gotplt, *relplt; | |
1737 | const struct elf_backend_data *bed; | |
1738 | ||
1739 | bed = get_elf_backend_data (output_bfd); | |
1740 | ||
1741 | BFD_ASSERT (htab->elf.splt != NULL); | |
1742 | plt = htab->elf.splt; | |
1743 | gotplt = htab->elf.sgotplt; | |
1744 | relplt = htab->elf.srelplt; | |
1745 | ||
1746 | /* This symbol has an entry in the procedure linkage table. Set | |
1747 | it up. */ | |
1748 | ||
1749 | if ((h->dynindx == -1 | |
0e1862bb | 1750 | && !((h->forced_local || bfd_link_executable (info)) |
ac145307 BS |
1751 | && h->def_regular |
1752 | && h->type == STT_GNU_IFUNC)) | |
1753 | || plt == NULL | |
1754 | || gotplt == NULL | |
1755 | || relplt == NULL) | |
1756 | abort (); | |
1757 | ||
1758 | /* Get the index in the procedure linkage table which | |
1759 | corresponds to this symbol. This is the index of this symbol | |
1760 | in all the symbols for which we are making plt entries. The | |
1761 | first entry in the procedure linkage table is reserved. | |
1762 | ||
1763 | Get the offset into the .got table of the entry that | |
1764 | corresponds to this function. Each .got entry is 4 bytes. | |
1765 | The first three are reserved. | |
68ffbac6 | 1766 | |
ac145307 BS |
1767 | For static executables, we don't reserve anything. */ |
1768 | ||
1769 | plt_index = h->plt.offset / PLT_ENTRY_SIZE - 1; | |
1770 | got_section_offset = plt_index + bed->got_header_size / 4; | |
1771 | got_dp_offset = got_section_offset + htab->params.dsbt_size; | |
1772 | rela_offset = plt_index * sizeof (Elf32_External_Rela); | |
1773 | ||
1774 | got_section_offset *= 4; | |
1775 | ||
1776 | /* Fill in the entry in the procedure linkage table. */ | |
1777 | ||
1778 | /* ldw .d2t2 *+B14($GOT(f)), b2 */ | |
1779 | bfd_put_32 (output_bfd, got_dp_offset << 8 | 0x0100006e, | |
1780 | plt->contents + h->plt.offset); | |
1781 | /* mvk .s2 low(rela_offset), b0 */ | |
1782 | bfd_put_32 (output_bfd, (rela_offset & 0xffff) << 7 | 0x0000002a, | |
1783 | plt->contents + h->plt.offset + 4); | |
1784 | /* mvkh .s2 high(rela_offset), b0 */ | |
1785 | bfd_put_32 (output_bfd, ((rela_offset >> 16) & 0xffff) << 7 | 0x0000006a, | |
1786 | plt->contents + h->plt.offset + 8); | |
1787 | /* nop 2 */ | |
1788 | bfd_put_32 (output_bfd, 0x00002000, | |
1789 | plt->contents + h->plt.offset + 12); | |
1790 | /* b .s2 b2 */ | |
1791 | bfd_put_32 (output_bfd, 0x00080362, | |
1792 | plt->contents + h->plt.offset + 16); | |
1793 | /* nop 5 */ | |
1794 | bfd_put_32 (output_bfd, 0x00008000, | |
1795 | plt->contents + h->plt.offset + 20); | |
1796 | ||
1797 | /* Fill in the entry in the global offset table. */ | |
1798 | bfd_put_32 (output_bfd, | |
1799 | (plt->output_section->vma + plt->output_offset), | |
1800 | gotplt->contents + got_section_offset); | |
1801 | ||
1802 | /* Fill in the entry in the .rel.plt section. */ | |
1803 | rela.r_offset = (gotplt->output_section->vma | |
1804 | + gotplt->output_offset | |
1805 | + got_section_offset); | |
1806 | rela.r_info = ELF32_R_INFO (h->dynindx, R_C6000_JUMP_SLOT); | |
1807 | rela.r_addend = 0; | |
1808 | loc = relplt->contents + rela_offset; | |
1809 | bfd_elf32_swap_reloca_out (output_bfd, &rela, loc); | |
1810 | ||
1811 | if (!h->def_regular) | |
1812 | { | |
1813 | /* Mark the symbol as undefined, rather than as defined in | |
1814 | the .plt section. */ | |
1815 | sym->st_shndx = SHN_UNDEF; | |
1816 | sym->st_value = 0; | |
1817 | } | |
1818 | } | |
1819 | ||
1820 | if (h->got.offset != (bfd_vma) -1) | |
1821 | { | |
1822 | asection *sgot; | |
1823 | asection *srela; | |
1824 | ||
1825 | /* This symbol has an entry in the global offset table. | |
1826 | Set it up. */ | |
1827 | ||
ce558b89 AM |
1828 | sgot = htab->elf.sgot; |
1829 | srela = htab->elf.srelgot; | |
ac145307 BS |
1830 | BFD_ASSERT (sgot != NULL && srela != NULL); |
1831 | ||
1832 | /* If this is a -Bsymbolic link, and the symbol is defined | |
1833 | locally, we just want to emit a RELATIVE reloc. Likewise if | |
1834 | the symbol was forced to be local because of a version file. | |
1835 | The entry in the global offset table will already have been | |
1836 | initialized in the relocate_section function. */ | |
0e1862bb | 1837 | if (bfd_link_pic (info) |
a496fbc8 | 1838 | && (SYMBOLIC_BIND (info, h) |
ac145307 BS |
1839 | || h->dynindx == -1 || h->forced_local) && h->def_regular) |
1840 | { | |
1841 | asection *s = h->root.u.def.section; | |
1842 | elf32_tic6x_make_got_dynreloc (output_bfd, htab, s, | |
1843 | h->got.offset & ~(bfd_vma) 1); | |
1844 | } | |
1845 | else | |
1846 | { | |
1847 | Elf_Internal_Rela outrel; | |
1848 | bfd_put_32 (output_bfd, (bfd_vma) 0, | |
1849 | sgot->contents + (h->got.offset & ~(bfd_vma) 1)); | |
1850 | outrel.r_offset = (sgot->output_section->vma | |
1851 | + sgot->output_offset | |
1852 | + (h->got.offset & ~(bfd_vma) 1)); | |
1853 | outrel.r_info = ELF32_R_INFO (h->dynindx, R_C6000_ABS32); | |
1854 | outrel.r_addend = 0; | |
1855 | ||
1856 | elf32_tic6x_install_rela (output_bfd, srela, &outrel); | |
1857 | } | |
1858 | } | |
1859 | ||
1860 | if (h->needs_copy) | |
1861 | { | |
1862 | Elf_Internal_Rela rel; | |
1863 | ||
1864 | /* This symbol needs a copy reloc. Set it up. */ | |
1865 | ||
1866 | if (h->dynindx == -1 | |
1867 | || (h->root.type != bfd_link_hash_defined | |
1868 | && h->root.type != bfd_link_hash_defweak) | |
9d19e4fd | 1869 | || htab->elf.srelbss == NULL) |
ac145307 BS |
1870 | abort (); |
1871 | ||
1872 | rel.r_offset = (h->root.u.def.value | |
1873 | + h->root.u.def.section->output_section->vma | |
1874 | + h->root.u.def.section->output_offset); | |
1875 | rel.r_info = ELF32_R_INFO (h->dynindx, R_C6000_COPY); | |
1876 | rel.r_addend = 0; | |
1877 | ||
9d19e4fd | 1878 | elf32_tic6x_install_rela (output_bfd, htab->elf.srelbss, &rel); |
ac145307 BS |
1879 | } |
1880 | ||
1881 | /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. */ | |
9637f6ef | 1882 | if (h == elf_hash_table (info)->hdynamic |
ac145307 BS |
1883 | || h == elf_hash_table (info)->hgot) |
1884 | sym->st_shndx = SHN_ABS; | |
1885 | ||
1886 | return TRUE; | |
1887 | } | |
1888 | ||
9cf0e282 PB |
1889 | /* Unwinding tables are not referenced directly. This pass marks them as |
1890 | required if the corresponding code section is marked. */ | |
1891 | ||
1892 | static bfd_boolean | |
1893 | elf32_tic6x_gc_mark_extra_sections (struct bfd_link_info *info, | |
1894 | elf_gc_mark_hook_fn gc_mark_hook) | |
1895 | { | |
1896 | bfd *sub; | |
1897 | Elf_Internal_Shdr **elf_shdrp; | |
1898 | bfd_boolean again; | |
1899 | ||
7f6ab9f8 AM |
1900 | _bfd_elf_gc_mark_extra_sections (info, gc_mark_hook); |
1901 | ||
9cf0e282 PB |
1902 | /* Marking EH data may cause additional code sections to be marked, |
1903 | requiring multiple passes. */ | |
1904 | again = TRUE; | |
1905 | while (again) | |
1906 | { | |
1907 | again = FALSE; | |
c72f2fb2 | 1908 | for (sub = info->input_bfds; sub != NULL; sub = sub->link.next) |
9cf0e282 PB |
1909 | { |
1910 | asection *o; | |
1911 | ||
1912 | if (! is_tic6x_elf (sub)) | |
1913 | continue; | |
1914 | ||
1915 | elf_shdrp = elf_elfsections (sub); | |
1916 | for (o = sub->sections; o != NULL; o = o->next) | |
1917 | { | |
1918 | Elf_Internal_Shdr *hdr; | |
1919 | ||
1920 | hdr = &elf_section_data (o)->this_hdr; | |
1921 | if (hdr->sh_type == SHT_C6000_UNWIND | |
1922 | && hdr->sh_link | |
1923 | && hdr->sh_link < elf_numsections (sub) | |
1924 | && !o->gc_mark | |
1925 | && elf_shdrp[hdr->sh_link]->bfd_section->gc_mark) | |
1926 | { | |
1927 | again = TRUE; | |
1928 | if (!_bfd_elf_gc_mark (info, o, gc_mark_hook)) | |
1929 | return FALSE; | |
1930 | } | |
1931 | } | |
1932 | } | |
1933 | } | |
1934 | ||
1935 | return TRUE; | |
1936 | } | |
1937 | ||
1bce6bd8 PB |
1938 | /* Return TRUE if this is an unwinding table index. */ |
1939 | ||
1940 | static bfd_boolean | |
1941 | is_tic6x_elf_unwind_section_name (const char *name) | |
1942 | { | |
1943 | return (CONST_STRNEQ (name, ELF_STRING_C6000_unwind) | |
1944 | || CONST_STRNEQ (name, ELF_STRING_C6000_unwind_once)); | |
1945 | } | |
1946 | ||
1947 | ||
1948 | /* Set the type and flags for an unwinding index table. We do this by | |
1949 | the section name, which is a hack, but ought to work. */ | |
1950 | ||
1951 | static bfd_boolean | |
1952 | elf32_tic6x_fake_sections (bfd *abfd ATTRIBUTE_UNUSED, | |
1953 | Elf_Internal_Shdr *hdr, asection *sec) | |
1954 | { | |
1955 | const char * name; | |
1956 | ||
1957 | name = bfd_get_section_name (abfd, sec); | |
1958 | ||
1959 | if (is_tic6x_elf_unwind_section_name (name)) | |
1960 | { | |
1961 | hdr->sh_type = SHT_C6000_UNWIND; | |
1962 | hdr->sh_flags |= SHF_LINK_ORDER; | |
1963 | } | |
1964 | ||
1965 | return TRUE; | |
1966 | } | |
1967 | ||
ac145307 BS |
1968 | /* Update the got entry reference counts for the section being removed. */ |
1969 | ||
1970 | static bfd_boolean | |
1971 | elf32_tic6x_gc_sweep_hook (bfd *abfd, | |
1972 | struct bfd_link_info *info, | |
1973 | asection *sec, | |
1974 | const Elf_Internal_Rela *relocs) | |
1975 | { | |
1976 | struct elf32_tic6x_link_hash_table *htab; | |
1977 | Elf_Internal_Shdr *symtab_hdr; | |
1978 | struct elf_link_hash_entry **sym_hashes; | |
1979 | bfd_signed_vma *local_got_refcounts; | |
1980 | const Elf_Internal_Rela *rel, *relend; | |
1981 | ||
0e1862bb | 1982 | if (bfd_link_relocatable (info)) |
ac145307 BS |
1983 | return TRUE; |
1984 | ||
1985 | htab = elf32_tic6x_hash_table (info); | |
1986 | if (htab == NULL) | |
1987 | return FALSE; | |
1988 | ||
1989 | elf_section_data (sec)->local_dynrel = NULL; | |
1990 | ||
1991 | symtab_hdr = &elf_symtab_hdr (abfd); | |
1992 | sym_hashes = elf_sym_hashes (abfd); | |
1993 | local_got_refcounts = elf_local_got_refcounts (abfd); | |
1994 | ||
1995 | relend = relocs + sec->reloc_count; | |
1996 | for (rel = relocs; rel < relend; rel++) | |
1997 | { | |
1998 | unsigned long r_symndx; | |
1999 | unsigned int r_type; | |
2000 | struct elf_link_hash_entry *h = NULL; | |
2001 | ||
2002 | r_symndx = ELF32_R_SYM (rel->r_info); | |
2003 | if (r_symndx >= symtab_hdr->sh_info) | |
2004 | { | |
2005 | struct elf32_tic6x_link_hash_entry *eh; | |
2006 | struct elf_dyn_relocs **pp; | |
2007 | struct elf_dyn_relocs *p; | |
2008 | ||
2009 | h = sym_hashes[r_symndx - symtab_hdr->sh_info]; | |
2010 | while (h->root.type == bfd_link_hash_indirect | |
2011 | || h->root.type == bfd_link_hash_warning) | |
2012 | h = (struct elf_link_hash_entry *) h->root.u.i.link; | |
2013 | eh = (struct elf32_tic6x_link_hash_entry *) h; | |
2014 | ||
2015 | for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next) | |
2016 | if (p->sec == sec) | |
2017 | { | |
2018 | /* Everything must go for SEC. */ | |
2019 | *pp = p->next; | |
2020 | break; | |
2021 | } | |
2022 | } | |
2023 | ||
2024 | r_type = ELF32_R_TYPE (rel->r_info); | |
2025 | ||
2026 | switch (r_type) | |
2027 | { | |
2028 | case R_C6000_SBR_GOT_U15_W: | |
2029 | case R_C6000_SBR_GOT_L16_W: | |
2030 | case R_C6000_SBR_GOT_H16_W: | |
2fbb87f6 | 2031 | case R_C6000_EHTYPE: |
ac145307 BS |
2032 | if (h != NULL) |
2033 | { | |
2034 | if (h->got.refcount > 0) | |
2035 | h->got.refcount -= 1; | |
2036 | } | |
2037 | else if (local_got_refcounts != NULL) | |
2038 | { | |
2039 | if (local_got_refcounts[r_symndx] > 0) | |
2040 | local_got_refcounts[r_symndx] -= 1; | |
2041 | } | |
2042 | break; | |
2043 | ||
2044 | default: | |
2045 | break; | |
2046 | } | |
2047 | } | |
2048 | ||
2049 | return TRUE; | |
2050 | } | |
2051 | ||
2052 | /* Adjust a symbol defined by a dynamic object and referenced by a | |
2053 | regular object. The current definition is in some section of the | |
2054 | dynamic object, but we're not including those sections. We have to | |
2055 | change the definition to something the rest of the link can | |
2056 | understand. */ | |
2057 | ||
2058 | static bfd_boolean | |
2059 | elf32_tic6x_adjust_dynamic_symbol (struct bfd_link_info *info, | |
2060 | struct elf_link_hash_entry *h) | |
2061 | { | |
2062 | struct elf32_tic6x_link_hash_table *htab; | |
2063 | bfd *dynobj; | |
2064 | asection *s; | |
2065 | ||
2066 | dynobj = elf_hash_table (info)->dynobj; | |
2067 | ||
2068 | /* Make sure we know what is going on here. */ | |
2069 | BFD_ASSERT (dynobj != NULL | |
2070 | && (h->needs_plt | |
2071 | || h->u.weakdef != NULL | |
2072 | || (h->def_dynamic && h->ref_regular && !h->def_regular))); | |
2073 | ||
2074 | /* If this is a function, put it in the procedure linkage table. We | |
2075 | will fill in the contents of the procedure linkage table later, | |
2076 | when we know the address of the .got section. */ | |
2077 | if (h->type == STT_FUNC | |
2078 | || h->needs_plt) | |
2079 | { | |
2080 | if (h->plt.refcount <= 0 | |
2081 | || SYMBOL_CALLS_LOCAL (info, h) | |
2082 | || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT | |
2083 | && h->root.type == bfd_link_hash_undefweak)) | |
2084 | { | |
2085 | /* This case can occur if we saw a PLT32 reloc in an input | |
2086 | file, but the symbol was never referred to by a dynamic | |
2087 | object, or if all references were garbage collected. In | |
2088 | such a case, we don't actually need to build a procedure | |
2089 | linkage table, and we can just do a PC32 reloc instead. */ | |
2090 | h->plt.offset = (bfd_vma) -1; | |
2091 | h->needs_plt = 0; | |
2092 | } | |
2093 | ||
2094 | return TRUE; | |
2095 | } | |
2096 | ||
2097 | /* If this is a weak symbol, and there is a real definition, the | |
2098 | processor independent code will have arranged for us to see the | |
2099 | real definition first, and we can just use the same value. */ | |
2100 | if (h->u.weakdef != NULL) | |
2101 | { | |
2102 | BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined | |
2103 | || h->u.weakdef->root.type == bfd_link_hash_defweak); | |
2104 | h->root.u.def.section = h->u.weakdef->root.u.def.section; | |
2105 | h->root.u.def.value = h->u.weakdef->root.u.def.value; | |
2106 | h->non_got_ref = h->u.weakdef->non_got_ref; | |
2107 | return TRUE; | |
2108 | } | |
2109 | ||
2110 | /* This is a reference to a symbol defined by a dynamic object which | |
2111 | is not a function. */ | |
2112 | ||
2113 | /* If we are creating a shared library, we must presume that the | |
2114 | only references to the symbol are via the global offset table. | |
2115 | For such cases we need not do anything here; the relocations will | |
2116 | be handled correctly by relocate_section. */ | |
0e1862bb | 2117 | if (bfd_link_pic (info)) |
ac145307 BS |
2118 | return TRUE; |
2119 | ||
2120 | /* If there are no references to this symbol that do not use the | |
2121 | GOT, we don't need to generate a copy reloc. */ | |
2122 | if (!h->non_got_ref) | |
2123 | return TRUE; | |
2124 | ||
2125 | /* If -z nocopyreloc was given, we won't generate them either. */ | |
2126 | if (info->nocopyreloc) | |
2127 | { | |
2128 | h->non_got_ref = 0; | |
2129 | return TRUE; | |
2130 | } | |
2131 | ||
2132 | htab = elf32_tic6x_hash_table (info); | |
2133 | if (htab == NULL) | |
2134 | return FALSE; | |
2135 | ||
ac145307 BS |
2136 | /* We must allocate the symbol in our .dynbss section, which will |
2137 | become part of the .bss section of the executable. There will be | |
2138 | an entry for this symbol in the .dynsym section. The dynamic | |
2139 | object will contain position independent code, so all references | |
2140 | from the dynamic object to this symbol will go through the global | |
2141 | offset table. The dynamic linker will use the .dynsym entry to | |
2142 | determine the address it must put in the global offset table, so | |
2143 | both the dynamic object and the regular object will refer to the | |
2144 | same memory location for the variable. */ | |
2145 | ||
2146 | /* We must generate a R_C6000_COPY reloc to tell the dynamic linker to | |
2147 | copy the initial value out of the dynamic object and into the | |
2148 | runtime process image. */ | |
1d7e9d18 | 2149 | if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0) |
ac145307 | 2150 | { |
9d19e4fd | 2151 | htab->elf.srelbss->size += sizeof (Elf32_External_Rela); |
ac145307 BS |
2152 | h->needs_copy = 1; |
2153 | } | |
2154 | ||
9d19e4fd | 2155 | s = htab->elf.sdynbss; |
ac145307 | 2156 | |
6cabe1ea | 2157 | return _bfd_elf_adjust_dynamic_copy (info, h, s); |
ac145307 BS |
2158 | } |
2159 | ||
41820509 JM |
2160 | static bfd_boolean |
2161 | elf32_tic6x_new_section_hook (bfd *abfd, asection *sec) | |
2162 | { | |
2163 | bfd_boolean ret; | |
2164 | ||
fbd9ad90 PB |
2165 | /* Allocate target specific section data. */ |
2166 | if (!sec->used_by_bfd) | |
2167 | { | |
2168 | _tic6x_elf_section_data *sdata; | |
2169 | bfd_size_type amt = sizeof (*sdata); | |
2170 | ||
2171 | sdata = (_tic6x_elf_section_data *) bfd_zalloc (abfd, amt); | |
2172 | if (sdata == NULL) | |
2173 | return FALSE; | |
2174 | sec->used_by_bfd = sdata; | |
2175 | } | |
2176 | ||
41820509 JM |
2177 | ret = _bfd_elf_new_section_hook (abfd, sec); |
2178 | sec->use_rela_p = elf32_tic6x_tdata (abfd)->use_rela_p; | |
2179 | ||
2180 | return ret; | |
2181 | } | |
2182 | ||
2183 | /* Return true if relocation REL against section SEC is a REL rather | |
2184 | than RELA relocation. RELOCS is the first relocation in the | |
2185 | section and ABFD is the bfd that contains SEC. */ | |
2186 | ||
2187 | static bfd_boolean | |
2188 | elf32_tic6x_rel_relocation_p (bfd *abfd, asection *sec, | |
2189 | const Elf_Internal_Rela *relocs, | |
2190 | const Elf_Internal_Rela *rel) | |
2191 | { | |
2192 | Elf_Internal_Shdr *rel_hdr; | |
2193 | const struct elf_backend_data *bed; | |
2194 | ||
2195 | /* To determine which flavor of relocation this is, we depend on the | |
d4730f92 BS |
2196 | fact that the INPUT_SECTION's REL_HDR is read before RELA_HDR. */ |
2197 | rel_hdr = elf_section_data (sec)->rel.hdr; | |
2198 | if (rel_hdr == NULL) | |
2199 | return FALSE; | |
41820509 | 2200 | bed = get_elf_backend_data (abfd); |
d4730f92 BS |
2201 | return ((size_t) (rel - relocs) |
2202 | < NUM_SHDR_ENTRIES (rel_hdr) * bed->s->int_rels_per_ext_rel); | |
41820509 JM |
2203 | } |
2204 | ||
ac145307 BS |
2205 | /* We need dynamic symbols for every section, since segments can |
2206 | relocate independently. */ | |
2207 | static bfd_boolean | |
2208 | elf32_tic6x_link_omit_section_dynsym (bfd *output_bfd ATTRIBUTE_UNUSED, | |
2209 | struct bfd_link_info *info ATTRIBUTE_UNUSED, | |
2210 | asection *p) | |
2211 | { | |
2212 | switch (elf_section_data (p)->this_hdr.sh_type) | |
2213 | { | |
2214 | case SHT_PROGBITS: | |
2215 | case SHT_NOBITS: | |
2216 | /* If sh_type is yet undecided, assume it could be | |
2217 | SHT_PROGBITS/SHT_NOBITS. */ | |
2218 | case SHT_NULL: | |
2219 | return FALSE; | |
2220 | ||
2221 | /* There shouldn't be section relative relocations | |
2222 | against any other section. */ | |
2223 | default: | |
2224 | return TRUE; | |
2225 | } | |
2226 | } | |
2227 | ||
40b36596 JM |
2228 | static bfd_boolean |
2229 | elf32_tic6x_relocate_section (bfd *output_bfd, | |
2230 | struct bfd_link_info *info, | |
2231 | bfd *input_bfd, | |
2232 | asection *input_section, | |
2233 | bfd_byte *contents, | |
2234 | Elf_Internal_Rela *relocs, | |
2235 | Elf_Internal_Sym *local_syms, | |
2236 | asection **local_sections) | |
2237 | { | |
ac145307 | 2238 | struct elf32_tic6x_link_hash_table *htab; |
40b36596 JM |
2239 | Elf_Internal_Shdr *symtab_hdr; |
2240 | struct elf_link_hash_entry **sym_hashes; | |
ac145307 | 2241 | bfd_vma *local_got_offsets; |
40b36596 JM |
2242 | Elf_Internal_Rela *rel; |
2243 | Elf_Internal_Rela *relend; | |
2244 | bfd_boolean ok = TRUE; | |
2245 | ||
ac145307 | 2246 | htab = elf32_tic6x_hash_table (info); |
40b36596 JM |
2247 | symtab_hdr = & elf_symtab_hdr (input_bfd); |
2248 | sym_hashes = elf_sym_hashes (input_bfd); | |
ac145307 | 2249 | local_got_offsets = elf_local_got_offsets (input_bfd); |
40b36596 JM |
2250 | |
2251 | relend = relocs + input_section->reloc_count; | |
2252 | ||
2253 | for (rel = relocs; rel < relend; rel ++) | |
2254 | { | |
2255 | int r_type; | |
2256 | unsigned long r_symndx; | |
2257 | arelent bfd_reloc; | |
2258 | reloc_howto_type *howto; | |
2259 | Elf_Internal_Sym *sym; | |
2260 | asection *sec; | |
2261 | struct elf_link_hash_entry *h; | |
4a732032 | 2262 | bfd_vma off, off2, relocation; |
40b36596 JM |
2263 | bfd_boolean unresolved_reloc; |
2264 | bfd_reloc_status_type r; | |
2265 | struct bfd_link_hash_entry *sbh; | |
41820509 | 2266 | bfd_boolean is_rel; |
40b36596 JM |
2267 | |
2268 | r_type = ELF32_R_TYPE (rel->r_info); | |
2269 | r_symndx = ELF32_R_SYM (rel->r_info); | |
2270 | ||
41820509 JM |
2271 | is_rel = elf32_tic6x_rel_relocation_p (input_bfd, input_section, |
2272 | relocs, rel); | |
2273 | ||
2274 | if (is_rel) | |
2275 | elf32_tic6x_info_to_howto_rel (input_bfd, &bfd_reloc, rel); | |
2276 | else | |
2277 | elf32_tic6x_info_to_howto (input_bfd, &bfd_reloc, rel); | |
40b36596 JM |
2278 | howto = bfd_reloc.howto; |
2279 | if (howto == NULL) | |
2280 | { | |
2281 | bfd_set_error (bfd_error_bad_value); | |
2282 | return FALSE; | |
2283 | } | |
2284 | ||
2285 | h = NULL; | |
2286 | sym = NULL; | |
2287 | sec = NULL; | |
2288 | unresolved_reloc = FALSE; | |
2289 | ||
2290 | if (r_symndx < symtab_hdr->sh_info) | |
2291 | { | |
2292 | sym = local_syms + r_symndx; | |
2293 | sec = local_sections[r_symndx]; | |
2294 | relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel); | |
2295 | } | |
2296 | else | |
2297 | { | |
62d887d4 | 2298 | bfd_boolean warned, ignored; |
40b36596 JM |
2299 | |
2300 | RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel, | |
2301 | r_symndx, symtab_hdr, sym_hashes, | |
2302 | h, sec, relocation, | |
62d887d4 | 2303 | unresolved_reloc, warned, ignored); |
40b36596 JM |
2304 | } |
2305 | ||
dbaa2011 | 2306 | if (sec != NULL && discarded_section (sec)) |
e4067dbb | 2307 | RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section, |
545fd46b | 2308 | rel, 1, relend, howto, 0, contents); |
40b36596 | 2309 | |
0e1862bb | 2310 | if (bfd_link_relocatable (info)) |
41820509 JM |
2311 | { |
2312 | if (is_rel | |
2313 | && sym != NULL | |
2314 | && ELF_ST_TYPE (sym->st_info) == STT_SECTION) | |
2315 | { | |
2316 | rel->r_addend = 0; | |
2317 | relocation = sec->output_offset + sym->st_value; | |
2318 | r = _bfd_relocate_contents (howto, input_bfd, relocation, | |
2319 | contents + rel->r_offset); | |
2320 | goto done_reloc; | |
2321 | } | |
2322 | continue; | |
2323 | } | |
40b36596 JM |
2324 | |
2325 | switch (r_type) | |
2326 | { | |
2327 | case R_C6000_NONE: | |
2328 | case R_C6000_ALIGN: | |
2329 | case R_C6000_FPHEAD: | |
2330 | case R_C6000_NOCMP: | |
2331 | /* No action needed. */ | |
2332 | continue; | |
2333 | ||
2334 | case R_C6000_PCR_S21: | |
ac145307 BS |
2335 | /* A branch to an undefined weak symbol is turned into a |
2336 | "b .s2 B3" instruction if the existing insn is of the | |
2337 | form "b .s2 symbol". */ | |
2338 | if (h ? h->root.type == bfd_link_hash_undefweak | |
2339 | && (htab->elf.splt == NULL || h->plt.offset == (bfd_vma) -1) | |
2340 | : r_symndx != STN_UNDEF && bfd_is_und_section (sec)) | |
2341 | { | |
2342 | unsigned long oldval; | |
2343 | oldval = bfd_get_32 (input_bfd, contents + rel->r_offset); | |
2344 | ||
2345 | if ((oldval & 0x7e) == 0x12) | |
2346 | { | |
2347 | oldval &= 0xF0000001; | |
2348 | bfd_put_32 (input_bfd, oldval | 0x000c0362, | |
2349 | contents + rel->r_offset); | |
2350 | r = bfd_reloc_ok; | |
2351 | goto done_reloc; | |
2352 | } | |
2353 | } | |
1a0670f3 | 2354 | /* Fall through. */ |
ac145307 | 2355 | |
40b36596 JM |
2356 | case R_C6000_PCR_S12: |
2357 | case R_C6000_PCR_S10: | |
2358 | case R_C6000_PCR_S7: | |
ac145307 BS |
2359 | if (h != NULL |
2360 | && h->plt.offset != (bfd_vma) -1 | |
2361 | && htab->elf.splt != NULL) | |
2362 | { | |
2363 | relocation = (htab->elf.splt->output_section->vma | |
2364 | + htab->elf.splt->output_offset | |
2365 | + h->plt.offset); | |
2366 | } | |
2367 | ||
40b36596 JM |
2368 | /* Generic PC-relative handling produces a value relative to |
2369 | the exact location of the relocation. Adjust it to be | |
2370 | relative to the start of the fetch packet instead. */ | |
2371 | relocation += (input_section->output_section->vma | |
2372 | + input_section->output_offset | |
2373 | + rel->r_offset) & 0x1f; | |
ac145307 BS |
2374 | unresolved_reloc = FALSE; |
2375 | break; | |
2376 | ||
4a732032 BS |
2377 | case R_C6000_PCR_H16: |
2378 | case R_C6000_PCR_L16: | |
2379 | off = (input_section->output_section->vma | |
2380 | + input_section->output_offset | |
2381 | + rel->r_offset); | |
2382 | /* These must be calculated as R = S - FP(FP(PC) - A). | |
2383 | PC, here, is the value we just computed in OFF. RELOCATION | |
2384 | has the address of S + A. */ | |
2385 | relocation -= rel->r_addend; | |
2386 | off2 = ((off & ~(bfd_vma)0x1f) - rel->r_addend) & (bfd_vma)~0x1f; | |
2387 | off2 = relocation - off2; | |
2388 | relocation = off + off2; | |
2389 | break; | |
2390 | ||
ac145307 BS |
2391 | case R_C6000_DSBT_INDEX: |
2392 | relocation = elf32_tic6x_hash_table (info)->params.dsbt_index; | |
0e1862bb | 2393 | if (!bfd_link_pic (info) || relocation != 0) |
ac145307 BS |
2394 | break; |
2395 | ||
2396 | /* fall through */ | |
40b36596 JM |
2397 | case R_C6000_ABS32: |
2398 | case R_C6000_ABS16: | |
2399 | case R_C6000_ABS8: | |
2400 | case R_C6000_ABS_S16: | |
2401 | case R_C6000_ABS_L16: | |
2402 | case R_C6000_ABS_H16: | |
ac145307 BS |
2403 | /* When generating a shared object or relocatable executable, these |
2404 | relocations are copied into the output file to be resolved at | |
2405 | run time. */ | |
0e1862bb | 2406 | if ((bfd_link_pic (info) || elf32_tic6x_using_dsbt (output_bfd)) |
ac145307 BS |
2407 | && (input_section->flags & SEC_ALLOC) |
2408 | && (h == NULL | |
2409 | || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT | |
2410 | || h->root.type != bfd_link_hash_undefweak)) | |
2411 | { | |
2412 | Elf_Internal_Rela outrel; | |
2413 | bfd_boolean skip, relocate; | |
2414 | asection *sreloc; | |
2415 | ||
2416 | unresolved_reloc = FALSE; | |
2417 | ||
2418 | sreloc = elf_section_data (input_section)->sreloc; | |
2419 | BFD_ASSERT (sreloc != NULL && sreloc->contents != NULL); | |
2420 | ||
2421 | skip = FALSE; | |
2422 | relocate = FALSE; | |
2423 | ||
2424 | outrel.r_offset = | |
2425 | _bfd_elf_section_offset (output_bfd, info, input_section, | |
2426 | rel->r_offset); | |
2427 | if (outrel.r_offset == (bfd_vma) -1) | |
2428 | skip = TRUE; | |
2429 | else if (outrel.r_offset == (bfd_vma) -2) | |
2430 | skip = TRUE, relocate = TRUE; | |
2431 | outrel.r_offset += (input_section->output_section->vma | |
2432 | + input_section->output_offset); | |
2433 | ||
2434 | if (skip) | |
2435 | memset (&outrel, 0, sizeof outrel); | |
2436 | else if (h != NULL | |
2437 | && h->dynindx != -1 | |
0e1862bb | 2438 | && (!bfd_link_pic (info) |
a496fbc8 | 2439 | || !SYMBOLIC_BIND (info, h) |
ac145307 BS |
2440 | || !h->def_regular)) |
2441 | { | |
2442 | outrel.r_info = ELF32_R_INFO (h->dynindx, r_type); | |
2443 | outrel.r_addend = rel->r_addend; | |
2444 | } | |
2445 | else | |
2446 | { | |
2447 | long indx; | |
2448 | ||
2449 | outrel.r_addend = relocation + rel->r_addend; | |
2450 | ||
2451 | if (bfd_is_abs_section (sec)) | |
2452 | indx = 0; | |
2453 | else if (sec == NULL || sec->owner == NULL) | |
2454 | { | |
2455 | bfd_set_error (bfd_error_bad_value); | |
2456 | return FALSE; | |
2457 | } | |
2458 | else | |
2459 | { | |
2460 | asection *osec; | |
2461 | ||
2462 | osec = sec->output_section; | |
2463 | indx = elf_section_data (osec)->dynindx; | |
2464 | outrel.r_addend -= osec->vma; | |
2465 | BFD_ASSERT (indx != 0); | |
2466 | } | |
2467 | ||
2468 | outrel.r_info = ELF32_R_INFO (indx, r_type); | |
2469 | } | |
2470 | ||
2471 | elf32_tic6x_install_rela (output_bfd, sreloc, &outrel); | |
2472 | ||
2473 | /* If this reloc is against an external symbol, we do not want to | |
2474 | fiddle with the addend. Otherwise, we need to include the symbol | |
2475 | value so that it becomes an addend for the dynamic reloc. */ | |
2476 | if (! relocate) | |
2477 | continue; | |
2478 | } | |
2479 | ||
40b36596 JM |
2480 | /* Generic logic OK. */ |
2481 | break; | |
2482 | ||
2483 | case R_C6000_SBR_U15_B: | |
2484 | case R_C6000_SBR_U15_H: | |
2485 | case R_C6000_SBR_U15_W: | |
2486 | case R_C6000_SBR_S16: | |
2487 | case R_C6000_SBR_L16_B: | |
2488 | case R_C6000_SBR_L16_H: | |
2489 | case R_C6000_SBR_L16_W: | |
2490 | case R_C6000_SBR_H16_B: | |
2491 | case R_C6000_SBR_H16_H: | |
2492 | case R_C6000_SBR_H16_W: | |
2493 | sbh = bfd_link_hash_lookup (info->hash, "__c6xabi_DSBT_BASE", | |
2494 | FALSE, FALSE, TRUE); | |
2495 | if (sbh != NULL | |
2496 | && (sbh->type == bfd_link_hash_defined | |
2497 | || sbh->type == bfd_link_hash_defweak)) | |
ac145307 BS |
2498 | { |
2499 | if (h ? (h->root.type == bfd_link_hash_undefweak | |
2500 | && (htab->elf.splt == NULL | |
2501 | || h->plt.offset == (bfd_vma) -1)) | |
2502 | : r_symndx != STN_UNDEF && bfd_is_und_section (sec)) | |
2503 | relocation = 0; | |
2504 | else | |
2505 | relocation -= (sbh->u.def.value | |
2506 | + sbh->u.def.section->output_section->vma | |
2507 | + sbh->u.def.section->output_offset); | |
2508 | } | |
40b36596 JM |
2509 | else |
2510 | { | |
4eca0228 AM |
2511 | _bfd_error_handler (_("%B: SB-relative relocation but " |
2512 | "__c6xabi_DSBT_BASE not defined"), | |
2513 | input_bfd); | |
40b36596 JM |
2514 | ok = FALSE; |
2515 | continue; | |
2516 | } | |
2517 | break; | |
2518 | ||
2519 | case R_C6000_SBR_GOT_U15_W: | |
2520 | case R_C6000_SBR_GOT_L16_W: | |
2521 | case R_C6000_SBR_GOT_H16_W: | |
2fbb87f6 | 2522 | case R_C6000_EHTYPE: |
ac145307 BS |
2523 | /* Relocation is to the entry for this symbol in the global |
2524 | offset table. */ | |
2525 | if (htab->elf.sgot == NULL) | |
2526 | abort (); | |
2527 | ||
2528 | if (h != NULL) | |
2529 | { | |
2530 | bfd_boolean dyn; | |
2531 | ||
2532 | off = h->got.offset; | |
2533 | dyn = htab->elf.dynamic_sections_created; | |
0e1862bb L |
2534 | if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, |
2535 | bfd_link_pic (info), | |
2536 | h) | |
2537 | || (bfd_link_pic (info) | |
ac145307 BS |
2538 | && SYMBOL_REFERENCES_LOCAL (info, h)) |
2539 | || (ELF_ST_VISIBILITY (h->other) | |
2540 | && h->root.type == bfd_link_hash_undefweak)) | |
2541 | { | |
2542 | /* This is actually a static link, or it is a | |
2543 | -Bsymbolic link and the symbol is defined | |
2544 | locally, or the symbol was forced to be local | |
2545 | because of a version file. We must initialize | |
2546 | this entry in the global offset table. Since the | |
2547 | offset must always be a multiple of 4, we use the | |
2548 | least significant bit to record whether we have | |
2549 | initialized it already. | |
2550 | ||
2551 | When doing a dynamic link, we create a .rel.got | |
2552 | relocation entry to initialize the value. This | |
2553 | is done in the finish_dynamic_symbol routine. */ | |
2554 | if ((off & 1) != 0) | |
2555 | off &= ~1; | |
2556 | else | |
2557 | { | |
2558 | bfd_put_32 (output_bfd, relocation, | |
2559 | htab->elf.sgot->contents + off); | |
2560 | h->got.offset |= 1; | |
2561 | ||
0e1862bb L |
2562 | if (!WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, |
2563 | bfd_link_pic (info), | |
ac145307 BS |
2564 | h) |
2565 | && !(ELF_ST_VISIBILITY (h->other) | |
2566 | && h->root.type == bfd_link_hash_undefweak)) | |
2567 | elf32_tic6x_make_got_dynreloc (output_bfd, htab, sec, | |
2568 | off); | |
2569 | } | |
2570 | } | |
2571 | else | |
2572 | unresolved_reloc = FALSE; | |
2573 | } | |
2574 | else | |
2575 | { | |
2576 | if (local_got_offsets == NULL) | |
2577 | abort (); | |
2578 | ||
2579 | off = local_got_offsets[r_symndx]; | |
2580 | ||
2581 | /* The offset must always be a multiple of 4. We use | |
2582 | the least significant bit to record whether we have | |
2583 | already generated the necessary reloc. */ | |
2584 | if ((off & 1) != 0) | |
2585 | off &= ~1; | |
2586 | else | |
2587 | { | |
2588 | bfd_put_32 (output_bfd, relocation, | |
2589 | htab->elf.sgot->contents + off); | |
2590 | ||
0e1862bb | 2591 | if (bfd_link_pic (info) || elf32_tic6x_using_dsbt (output_bfd)) |
ac145307 BS |
2592 | elf32_tic6x_make_got_dynreloc (output_bfd, htab, sec, off); |
2593 | ||
2594 | local_got_offsets[r_symndx] |= 1; | |
2595 | } | |
2596 | } | |
2597 | ||
2598 | if (off >= (bfd_vma) -2) | |
2599 | abort (); | |
2600 | ||
2601 | if (htab->dsbt) | |
2602 | relocation = (htab->elf.sgot->output_section->vma | |
2603 | + htab->elf.sgot->output_offset + off | |
2604 | - htab->dsbt->output_section->vma | |
2605 | - htab->dsbt->output_offset); | |
2606 | else | |
2607 | relocation = (htab->elf.sgot->output_section->vma | |
2608 | + htab->elf.sgot->output_offset + off | |
2609 | - htab->elf.sgotplt->output_section->vma | |
2610 | - htab->elf.sgotplt->output_offset); | |
2611 | ||
2612 | if (rel->r_addend != 0) | |
2613 | { | |
2614 | /* We can't do anything for a relocation which is against | |
2615 | a symbol *plus offset*. GOT holds relocations for | |
2616 | symbols. Make this an error; the compiler isn't | |
2617 | allowed to pass us these kinds of things. */ | |
2618 | if (h == NULL) | |
4eca0228 | 2619 | _bfd_error_handler |
695344c0 | 2620 | /* xgettext:c-format */ |
ac145307 BS |
2621 | (_("%B, section %A: relocation %s with non-zero addend %d" |
2622 | " against local symbol"), | |
2623 | input_bfd, | |
2624 | input_section, | |
2625 | elf32_tic6x_howto_table[r_type].name, | |
2626 | rel->r_addend); | |
2627 | else | |
4eca0228 | 2628 | _bfd_error_handler |
695344c0 | 2629 | /* xgettext:c-format */ |
ac145307 BS |
2630 | (_("%B, section %A: relocation %s with non-zero addend %d" |
2631 | " against symbol `%s'"), | |
2632 | input_bfd, | |
2633 | input_section, | |
2634 | elf32_tic6x_howto_table[r_type].name, | |
2635 | rel->r_addend, | |
2636 | h->root.root.string[0] != '\0' ? h->root.root.string | |
2637 | : _("[whose name is lost]")); | |
2638 | ||
2639 | bfd_set_error (bfd_error_bad_value); | |
2640 | return FALSE; | |
2641 | } | |
2642 | break; | |
2643 | ||
40b36596 | 2644 | case R_C6000_PREL31: |
44e87ece PB |
2645 | if (h != NULL |
2646 | && h->plt.offset != (bfd_vma) -1 | |
2647 | && htab->elf.splt != NULL) | |
2648 | { | |
2649 | relocation = (htab->elf.splt->output_section->vma | |
2650 | + htab->elf.splt->output_offset | |
2651 | + h->plt.offset); | |
2652 | } | |
2653 | break; | |
40b36596 JM |
2654 | |
2655 | case R_C6000_COPY: | |
2656 | /* Invalid in relocatable object. */ | |
2657 | default: | |
2658 | /* Unknown relocation. */ | |
695344c0 | 2659 | /* xgettext:c-format */ |
4eca0228 AM |
2660 | _bfd_error_handler (_("%B: invalid relocation type %d"), |
2661 | input_bfd, r_type); | |
40b36596 JM |
2662 | ok = FALSE; |
2663 | continue; | |
2664 | } | |
2665 | ||
2666 | r = _bfd_final_link_relocate (howto, input_bfd, input_section, | |
2667 | contents, rel->r_offset, | |
2668 | relocation, rel->r_addend); | |
2669 | ||
41820509 | 2670 | done_reloc: |
40b36596 JM |
2671 | if (r == bfd_reloc_ok |
2672 | && howto->complain_on_overflow == complain_overflow_bitfield) | |
2673 | { | |
2674 | /* Generic overflow handling accepts cases the ABI says | |
2675 | should be rejected for R_C6000_ABS16 and | |
2676 | R_C6000_ABS8. */ | |
2677 | bfd_vma value = (relocation + rel->r_addend) & 0xffffffff; | |
2678 | bfd_vma sbit = 1 << (howto->bitsize - 1); | |
2679 | bfd_vma sbits = (-(bfd_vma) sbit) & 0xffffffff; | |
2680 | bfd_vma value_sbits = value & sbits; | |
2681 | ||
2682 | if (value_sbits != 0 | |
2683 | && value_sbits != sbit | |
2684 | && value_sbits != sbits) | |
2685 | r = bfd_reloc_overflow; | |
2686 | } | |
2687 | ||
2688 | if (r != bfd_reloc_ok) | |
2689 | { | |
2690 | const char *name; | |
2691 | const char *error_message; | |
2692 | ||
2693 | if (h != NULL) | |
2694 | name = h->root.root.string; | |
2695 | else | |
2696 | { | |
2697 | name = bfd_elf_string_from_elf_section (input_bfd, | |
2698 | symtab_hdr->sh_link, | |
2699 | sym->st_name); | |
2700 | if (name == NULL) | |
2701 | return FALSE; | |
2702 | if (*name == '\0') | |
2703 | name = bfd_section_name (input_bfd, sec); | |
2704 | } | |
2705 | ||
2706 | switch (r) | |
2707 | { | |
2708 | case bfd_reloc_overflow: | |
2709 | /* If the overflowing reloc was to an undefined symbol, | |
2710 | we have already printed one error message and there | |
2711 | is no point complaining again. */ | |
1a72702b AM |
2712 | if (!h || h->root.type != bfd_link_hash_undefined) |
2713 | (*info->callbacks->reloc_overflow) | |
2714 | (info, (h ? &h->root : NULL), name, howto->name, | |
2715 | (bfd_vma) 0, input_bfd, input_section, rel->r_offset); | |
40b36596 JM |
2716 | break; |
2717 | ||
2718 | case bfd_reloc_undefined: | |
1a72702b AM |
2719 | (*info->callbacks->undefined_symbol) (info, name, input_bfd, |
2720 | input_section, | |
2721 | rel->r_offset, TRUE); | |
40b36596 JM |
2722 | break; |
2723 | ||
2724 | case bfd_reloc_outofrange: | |
2725 | error_message = _("out of range"); | |
2726 | goto common_error; | |
2727 | ||
2728 | case bfd_reloc_notsupported: | |
2729 | error_message = _("unsupported relocation"); | |
2730 | goto common_error; | |
2731 | ||
2732 | case bfd_reloc_dangerous: | |
2733 | error_message = _("dangerous relocation"); | |
2734 | goto common_error; | |
2735 | ||
2736 | default: | |
2737 | error_message = _("unknown error"); | |
2738 | /* Fall through. */ | |
2739 | ||
2740 | common_error: | |
2741 | BFD_ASSERT (error_message != NULL); | |
1a72702b AM |
2742 | (*info->callbacks->reloc_dangerous) |
2743 | (info, error_message, input_bfd, input_section, rel->r_offset); | |
40b36596 JM |
2744 | break; |
2745 | } | |
2746 | } | |
2747 | } | |
2748 | ||
2749 | return ok; | |
2750 | } | |
2751 | ||
ac145307 BS |
2752 | \f |
2753 | /* Look through the relocs for a section during the first phase, and | |
2754 | calculate needed space in the global offset table, procedure linkage | |
2755 | table, and dynamic reloc sections. */ | |
2756 | ||
2757 | static bfd_boolean | |
2758 | elf32_tic6x_check_relocs (bfd *abfd, struct bfd_link_info *info, | |
2759 | asection *sec, const Elf_Internal_Rela *relocs) | |
2760 | { | |
2761 | struct elf32_tic6x_link_hash_table *htab; | |
2762 | Elf_Internal_Shdr *symtab_hdr; | |
2763 | struct elf_link_hash_entry **sym_hashes; | |
2764 | const Elf_Internal_Rela *rel; | |
2765 | const Elf_Internal_Rela *rel_end; | |
2766 | asection *sreloc; | |
2767 | ||
0e1862bb | 2768 | if (bfd_link_relocatable (info)) |
ac145307 BS |
2769 | return TRUE; |
2770 | ||
2771 | htab = elf32_tic6x_hash_table (info); | |
2772 | symtab_hdr = &elf_symtab_hdr (abfd); | |
2773 | sym_hashes = elf_sym_hashes (abfd); | |
2774 | ||
2775 | /* Create dynamic sections for relocatable executables so that we can | |
2776 | copy relocations. */ | |
0e1862bb | 2777 | if ((bfd_link_pic (info) || elf32_tic6x_using_dsbt (abfd)) |
ac145307 BS |
2778 | && ! htab->elf.dynamic_sections_created) |
2779 | { | |
2780 | if (! _bfd_elf_link_create_dynamic_sections (abfd, info)) | |
2781 | return FALSE; | |
2782 | } | |
2783 | ||
2784 | sreloc = NULL; | |
2785 | ||
2786 | rel_end = relocs + sec->reloc_count; | |
2787 | for (rel = relocs; rel < rel_end; rel++) | |
2788 | { | |
2789 | unsigned int r_type; | |
2790 | unsigned long r_symndx; | |
2791 | struct elf_link_hash_entry *h; | |
2792 | Elf_Internal_Sym *isym; | |
2793 | ||
2794 | r_symndx = ELF32_R_SYM (rel->r_info); | |
2795 | r_type = ELF32_R_TYPE (rel->r_info); | |
2796 | ||
2797 | if (r_symndx >= NUM_SHDR_ENTRIES (symtab_hdr)) | |
2798 | { | |
695344c0 | 2799 | /* xgettext:c-format */ |
4eca0228 AM |
2800 | _bfd_error_handler (_("%B: bad symbol index: %d"), |
2801 | abfd, r_symndx); | |
ac145307 BS |
2802 | return FALSE; |
2803 | } | |
2804 | ||
2805 | if (r_symndx < symtab_hdr->sh_info) | |
2806 | { | |
2807 | /* A local symbol. */ | |
2808 | isym = bfd_sym_from_r_symndx (&htab->sym_cache, | |
2809 | abfd, r_symndx); | |
2810 | if (isym == NULL) | |
2811 | return FALSE; | |
2812 | h = NULL; | |
2813 | } | |
2814 | else | |
2815 | { | |
2816 | isym = NULL; | |
2817 | h = sym_hashes[r_symndx - symtab_hdr->sh_info]; | |
2818 | while (h->root.type == bfd_link_hash_indirect | |
2819 | || h->root.type == bfd_link_hash_warning) | |
2820 | h = (struct elf_link_hash_entry *) h->root.u.i.link; | |
81fbe831 AM |
2821 | |
2822 | /* PR15323, ref flags aren't set for references in the same | |
2823 | object. */ | |
2824 | h->root.non_ir_ref = 1; | |
ac145307 BS |
2825 | } |
2826 | ||
2827 | switch (r_type) | |
2828 | { | |
2829 | case R_C6000_PCR_S21: | |
44e87ece | 2830 | case R_C6000_PREL31: |
ac145307 BS |
2831 | /* This symbol requires a procedure linkage table entry. We |
2832 | actually build the entry in adjust_dynamic_symbol, | |
2833 | because this might be a case of linking PIC code which is | |
2834 | never referenced by a dynamic object, in which case we | |
2835 | don't need to generate a procedure linkage table entry | |
2836 | after all. */ | |
2837 | ||
2838 | /* If this is a local symbol, we resolve it directly without | |
2839 | creating a procedure linkage table entry. */ | |
2840 | if (h == NULL) | |
2841 | continue; | |
2842 | ||
2843 | h->needs_plt = 1; | |
2844 | h->plt.refcount += 1; | |
2845 | break; | |
2846 | ||
2847 | case R_C6000_SBR_GOT_U15_W: | |
2848 | case R_C6000_SBR_GOT_L16_W: | |
2849 | case R_C6000_SBR_GOT_H16_W: | |
2fbb87f6 | 2850 | case R_C6000_EHTYPE: |
ac145307 BS |
2851 | /* This symbol requires a global offset table entry. */ |
2852 | if (h != NULL) | |
2853 | { | |
2854 | h->got.refcount += 1; | |
2855 | } | |
2856 | else | |
2857 | { | |
2858 | bfd_signed_vma *local_got_refcounts; | |
2859 | ||
2860 | /* This is a global offset table entry for a local symbol. */ | |
2861 | local_got_refcounts = elf_local_got_refcounts (abfd); | |
2862 | if (local_got_refcounts == NULL) | |
2863 | { | |
2864 | bfd_size_type size; | |
2865 | ||
2866 | size = symtab_hdr->sh_info; | |
2867 | size *= (sizeof (bfd_signed_vma) | |
2868 | + sizeof (bfd_vma) + sizeof(char)); | |
2869 | local_got_refcounts = bfd_zalloc (abfd, size); | |
2870 | if (local_got_refcounts == NULL) | |
2871 | return FALSE; | |
2872 | elf_local_got_refcounts (abfd) = local_got_refcounts; | |
2873 | } | |
2874 | local_got_refcounts[r_symndx] += 1; | |
2875 | } | |
2876 | ||
2877 | if (htab->elf.sgot == NULL) | |
2878 | { | |
2879 | if (htab->elf.dynobj == NULL) | |
2880 | htab->elf.dynobj = abfd; | |
2881 | if (!_bfd_elf_create_got_section (htab->elf.dynobj, info)) | |
2882 | return FALSE; | |
2883 | } | |
2884 | break; | |
2885 | ||
2886 | case R_C6000_DSBT_INDEX: | |
2887 | /* We'd like to check for nonzero dsbt_index here, but it's | |
2888 | set up only after check_relocs is called. Instead, we | |
2889 | store the number of R_C6000_DSBT_INDEX relocs in the | |
2890 | pc_count field, and potentially discard the extra space | |
2891 | in elf32_tic6x_allocate_dynrelocs. */ | |
0e1862bb | 2892 | if (!bfd_link_pic (info)) |
ac145307 BS |
2893 | break; |
2894 | ||
2895 | /* fall through */ | |
2896 | case R_C6000_ABS32: | |
2897 | case R_C6000_ABS16: | |
2898 | case R_C6000_ABS8: | |
2899 | case R_C6000_ABS_S16: | |
2900 | case R_C6000_ABS_L16: | |
2901 | case R_C6000_ABS_H16: | |
2902 | /* If we are creating a shared library, and this is a reloc | |
2903 | against a global symbol, or a non PC relative reloc | |
2904 | against a local symbol, then we need to copy the reloc | |
2905 | into the shared library. However, if we are linking with | |
2906 | -Bsymbolic, we do not need to copy a reloc against a | |
2907 | global symbol which is defined in an object we are | |
2908 | including in the link (i.e., DEF_REGULAR is set). At | |
2909 | this point we have not seen all the input files, so it is | |
2910 | possible that DEF_REGULAR is not set now but will be set | |
2911 | later (it is never cleared). In case of a weak definition, | |
2912 | DEF_REGULAR may be cleared later by a strong definition in | |
2913 | a shared library. We account for that possibility below by | |
2914 | storing information in the relocs_copied field of the hash | |
2915 | table entry. A similar situation occurs when creating | |
2916 | shared libraries and symbol visibility changes render the | |
2917 | symbol local. | |
2918 | ||
2919 | If on the other hand, we are creating an executable, we | |
2920 | may need to keep relocations for symbols satisfied by a | |
2921 | dynamic library if we manage to avoid copy relocs for the | |
2922 | symbol. */ | |
0e1862bb | 2923 | if ((bfd_link_pic (info) || elf32_tic6x_using_dsbt (abfd)) |
ac145307 BS |
2924 | && (sec->flags & SEC_ALLOC) != 0) |
2925 | { | |
2926 | struct elf_dyn_relocs *p; | |
2927 | struct elf_dyn_relocs **head; | |
2928 | ||
2929 | /* We must copy these reloc types into the output file. | |
2930 | Create a reloc section in dynobj and make room for | |
2931 | this reloc. */ | |
2932 | if (sreloc == NULL) | |
2933 | { | |
2934 | if (htab->elf.dynobj == NULL) | |
2935 | htab->elf.dynobj = abfd; | |
2936 | ||
2937 | sreloc = _bfd_elf_make_dynamic_reloc_section | |
2938 | (sec, htab->elf.dynobj, 2, abfd, /*rela? */ TRUE); | |
2939 | ||
2940 | if (sreloc == NULL) | |
2941 | return FALSE; | |
2942 | } | |
2943 | ||
2944 | /* If this is a global symbol, we count the number of | |
2945 | relocations we need for this symbol. */ | |
2946 | if (h != NULL) | |
2947 | { | |
2948 | head = &((struct elf32_tic6x_link_hash_entry *) h)->dyn_relocs; | |
2949 | } | |
2950 | else | |
2951 | { | |
2952 | /* Track dynamic relocs needed for local syms too. | |
2953 | We really need local syms available to do this | |
2954 | easily. Oh well. */ | |
2955 | void **vpp; | |
2956 | asection *s; | |
2957 | ||
2958 | s = bfd_section_from_elf_index (abfd, isym->st_shndx); | |
2959 | if (s == NULL) | |
2960 | s = sec; | |
2961 | ||
2962 | vpp = &elf_section_data (s)->local_dynrel; | |
2963 | head = (struct elf_dyn_relocs **)vpp; | |
2964 | } | |
2965 | ||
2966 | p = *head; | |
2967 | if (p == NULL || p->sec != sec) | |
2968 | { | |
2969 | bfd_size_type amt = sizeof *p; | |
2970 | p = bfd_alloc (htab->elf.dynobj, amt); | |
2971 | if (p == NULL) | |
2972 | return FALSE; | |
2973 | p->next = *head; | |
2974 | *head = p; | |
2975 | p->sec = sec; | |
2976 | p->count = 0; | |
2123f9ad | 2977 | p->pc_count = 0; |
ac145307 BS |
2978 | } |
2979 | ||
2980 | p->count += 1; | |
2981 | if (r_type == R_C6000_DSBT_INDEX) | |
2982 | p->pc_count += 1; | |
2983 | } | |
2984 | break; | |
2985 | ||
2986 | case R_C6000_SBR_U15_B: | |
2987 | case R_C6000_SBR_U15_H: | |
2988 | case R_C6000_SBR_U15_W: | |
2989 | case R_C6000_SBR_S16: | |
2990 | case R_C6000_SBR_L16_B: | |
2991 | case R_C6000_SBR_L16_H: | |
2992 | case R_C6000_SBR_L16_W: | |
2993 | case R_C6000_SBR_H16_B: | |
2994 | case R_C6000_SBR_H16_H: | |
2995 | case R_C6000_SBR_H16_W: | |
0e1862bb | 2996 | if (h != NULL && bfd_link_executable (info)) |
ac145307 BS |
2997 | { |
2998 | /* For B14-relative addresses, we might need a copy | |
2999 | reloc. */ | |
3000 | h->non_got_ref = 1; | |
3001 | } | |
3002 | break; | |
3003 | ||
3004 | default: | |
3005 | break; | |
3006 | } | |
3007 | } | |
3008 | ||
3009 | return TRUE; | |
3010 | } | |
3011 | ||
3012 | static bfd_boolean | |
3013 | elf32_tic6x_add_symbol_hook (bfd *abfd, | |
3014 | struct bfd_link_info *info ATTRIBUTE_UNUSED, | |
3015 | Elf_Internal_Sym *sym, | |
3016 | const char **namep ATTRIBUTE_UNUSED, | |
3017 | flagword *flagsp ATTRIBUTE_UNUSED, | |
3018 | asection **secp, | |
3019 | bfd_vma *valp) | |
3020 | { | |
3021 | switch (sym->st_shndx) | |
3022 | { | |
3023 | case SHN_TIC6X_SCOMMON: | |
3024 | *secp = bfd_make_section_old_way (abfd, ".scommon"); | |
3025 | (*secp)->flags |= SEC_IS_COMMON; | |
3026 | *valp = sym->st_size; | |
a253d456 | 3027 | (void) bfd_set_section_alignment (abfd, *secp, bfd_log2 (sym->st_value)); |
ac145307 BS |
3028 | break; |
3029 | } | |
3030 | ||
3031 | return TRUE; | |
3032 | } | |
3033 | ||
3034 | static void | |
3035 | elf32_tic6x_symbol_processing (bfd *abfd ATTRIBUTE_UNUSED, asymbol *asym) | |
3036 | { | |
3037 | elf_symbol_type *elfsym; | |
3038 | ||
3039 | elfsym = (elf_symbol_type *) asym; | |
3040 | switch (elfsym->internal_elf_sym.st_shndx) | |
3041 | { | |
3042 | case SHN_TIC6X_SCOMMON: | |
3043 | if (tic6x_elf_scom_section.name == NULL) | |
3044 | { | |
3045 | /* Initialize the small common section. */ | |
3046 | tic6x_elf_scom_section.name = ".scommon"; | |
3047 | tic6x_elf_scom_section.flags = SEC_IS_COMMON; | |
3048 | tic6x_elf_scom_section.output_section = &tic6x_elf_scom_section; | |
3049 | tic6x_elf_scom_section.symbol = &tic6x_elf_scom_symbol; | |
3050 | tic6x_elf_scom_section.symbol_ptr_ptr = &tic6x_elf_scom_symbol_ptr; | |
3051 | tic6x_elf_scom_symbol.name = ".scommon"; | |
3052 | tic6x_elf_scom_symbol.flags = BSF_SECTION_SYM; | |
3053 | tic6x_elf_scom_symbol.section = &tic6x_elf_scom_section; | |
3054 | tic6x_elf_scom_symbol_ptr = &tic6x_elf_scom_symbol; | |
3055 | } | |
3056 | asym->section = &tic6x_elf_scom_section; | |
3057 | asym->value = elfsym->internal_elf_sym.st_size; | |
3058 | break; | |
3059 | } | |
3060 | } | |
3061 | ||
3062 | static int | |
3063 | elf32_tic6x_link_output_symbol_hook (struct bfd_link_info *info ATTRIBUTE_UNUSED, | |
3064 | const char *name ATTRIBUTE_UNUSED, | |
3065 | Elf_Internal_Sym *sym, | |
3066 | asection *input_sec, | |
3067 | struct elf_link_hash_entry *h ATTRIBUTE_UNUSED) | |
3068 | { | |
3069 | /* If we see a common symbol, which implies a relocatable link, then | |
3070 | if a symbol was small common in an input file, mark it as small | |
3071 | common in the output file. */ | |
3072 | if (sym->st_shndx == SHN_COMMON && strcmp (input_sec->name, ".scommon") == 0) | |
3073 | sym->st_shndx = SHN_TIC6X_SCOMMON; | |
3074 | ||
3075 | return 1; | |
3076 | } | |
3077 | ||
3078 | static bfd_boolean | |
3079 | elf32_tic6x_section_from_bfd_section (bfd *abfd ATTRIBUTE_UNUSED, | |
3080 | asection *sec, | |
3081 | int *retval) | |
3082 | { | |
3083 | if (strcmp (bfd_get_section_name (abfd, sec), ".scommon") == 0) | |
3084 | { | |
3085 | *retval = SHN_TIC6X_SCOMMON; | |
3086 | return TRUE; | |
3087 | } | |
3088 | ||
3089 | return FALSE; | |
3090 | } | |
3091 | ||
3092 | /* Allocate space in .plt, .got and associated reloc sections for | |
3093 | dynamic relocs. */ | |
3094 | ||
3095 | static bfd_boolean | |
3096 | elf32_tic6x_allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf) | |
3097 | { | |
3098 | struct bfd_link_info *info; | |
3099 | struct elf32_tic6x_link_hash_table *htab; | |
3100 | struct elf32_tic6x_link_hash_entry *eh; | |
3101 | struct elf_dyn_relocs *p; | |
3102 | ||
3103 | if (h->root.type == bfd_link_hash_indirect) | |
3104 | return TRUE; | |
3105 | ||
ac145307 | 3106 | eh = (struct elf32_tic6x_link_hash_entry *) h; |
ac145307 BS |
3107 | info = (struct bfd_link_info *) inf; |
3108 | htab = elf32_tic6x_hash_table (info); | |
3109 | ||
3110 | if (htab->elf.dynamic_sections_created && h->plt.refcount > 0) | |
3111 | { | |
3112 | /* Make sure this symbol is output as a dynamic symbol. | |
3113 | Undefined weak syms won't yet be marked as dynamic. */ | |
3114 | if (h->dynindx == -1 && !h->forced_local) | |
3115 | { | |
3116 | if (! bfd_elf_link_record_dynamic_symbol (info, h)) | |
3117 | return FALSE; | |
3118 | } | |
3119 | ||
0e1862bb | 3120 | if (bfd_link_pic (info) |
ac145307 BS |
3121 | || WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, 0, h)) |
3122 | { | |
3123 | asection *s = htab->elf.splt; | |
3124 | ||
3125 | /* If this is the first .plt entry, make room for the special | |
3126 | first entry. */ | |
3127 | if (s->size == 0) | |
3128 | s->size += PLT_ENTRY_SIZE; | |
3129 | ||
3130 | h->plt.offset = s->size; | |
3131 | ||
3132 | /* If this symbol is not defined in a regular file, and we are | |
3133 | not generating a shared library, then set the symbol to this | |
3134 | location in the .plt. This is required to make function | |
3135 | pointers compare as equal between the normal executable and | |
3136 | the shared library. */ | |
0e1862bb | 3137 | if (! bfd_link_pic (info) && !h->def_regular) |
ac145307 BS |
3138 | { |
3139 | h->root.u.def.section = s; | |
3140 | h->root.u.def.value = h->plt.offset; | |
3141 | } | |
3142 | ||
3143 | /* Make room for this entry. */ | |
3144 | s->size += PLT_ENTRY_SIZE; | |
3145 | /* We also need to make an entry in the .got.plt section, which | |
3146 | will be placed in the .got section by the linker script. */ | |
3147 | htab->elf.sgotplt->size += 4; | |
3148 | /* We also need to make an entry in the .rel.plt section. */ | |
3149 | htab->elf.srelplt->size += sizeof (Elf32_External_Rela); | |
3150 | } | |
3151 | else | |
3152 | { | |
3153 | h->plt.offset = (bfd_vma) -1; | |
3154 | h->needs_plt = 0; | |
3155 | } | |
3156 | } | |
3157 | else | |
3158 | { | |
3159 | h->plt.offset = (bfd_vma) -1; | |
3160 | h->needs_plt = 0; | |
3161 | } | |
3162 | ||
3163 | if (h->got.refcount > 0) | |
3164 | { | |
3165 | asection *s; | |
3166 | ||
3167 | /* Make sure this symbol is output as a dynamic symbol. | |
3168 | Undefined weak syms won't yet be marked as dynamic. */ | |
3169 | if (h->dynindx == -1 | |
3170 | && !h->forced_local) | |
3171 | { | |
3172 | if (! bfd_elf_link_record_dynamic_symbol (info, h)) | |
3173 | return FALSE; | |
3174 | } | |
3175 | ||
3176 | s = htab->elf.sgot; | |
3177 | h->got.offset = s->size; | |
3178 | s->size += 4; | |
3179 | ||
3180 | if (!(ELF_ST_VISIBILITY (h->other) | |
3181 | && h->root.type == bfd_link_hash_undefweak)) | |
3182 | htab->elf.srelgot->size += sizeof (Elf32_External_Rela); | |
3183 | } | |
3184 | else | |
3185 | h->got.offset = (bfd_vma) -1; | |
3186 | ||
3187 | if (eh->dyn_relocs == NULL) | |
3188 | return TRUE; | |
3189 | ||
3190 | /* Discard relocs on undefined weak syms with non-default | |
3191 | visibility. */ | |
0e1862bb | 3192 | if (bfd_link_pic (info) || elf32_tic6x_using_dsbt (htab->obfd)) |
ac145307 BS |
3193 | { |
3194 | /* We use the pc_count field to hold the number of | |
3195 | R_C6000_DSBT_INDEX relocs. */ | |
3196 | if (htab->params.dsbt_index != 0) | |
3197 | { | |
3198 | struct elf_dyn_relocs **pp; | |
3199 | ||
3200 | for (pp = &eh->dyn_relocs; (p = *pp) != NULL; ) | |
3201 | { | |
3202 | p->count -= p->pc_count; | |
3203 | p->pc_count = 0; | |
3204 | if (p->count == 0) | |
3205 | *pp = p->next; | |
3206 | else | |
3207 | pp = &p->next; | |
3208 | } | |
3209 | } | |
3210 | ||
3211 | if (eh->dyn_relocs != NULL | |
3212 | && h->root.type == bfd_link_hash_undefweak) | |
3213 | { | |
3214 | if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT) | |
3215 | eh->dyn_relocs = NULL; | |
3216 | ||
3217 | /* Make sure undefined weak symbols are output as a dynamic | |
3218 | symbol in PIEs. */ | |
3219 | else if (h->dynindx == -1 | |
3220 | && !h->forced_local) | |
3221 | { | |
3222 | if (! bfd_elf_link_record_dynamic_symbol (info, h)) | |
3223 | return FALSE; | |
3224 | } | |
3225 | } | |
3226 | } | |
3227 | ||
3228 | /* Finally, allocate space. */ | |
3229 | for (p = eh->dyn_relocs; p != NULL; p = p->next) | |
3230 | { | |
3231 | asection *sreloc; | |
3232 | ||
3233 | sreloc = elf_section_data (p->sec)->sreloc; | |
3234 | ||
3235 | BFD_ASSERT (sreloc != NULL); | |
3236 | sreloc->size += p->count * sizeof (Elf32_External_Rela); | |
3237 | } | |
3238 | ||
3239 | return TRUE; | |
3240 | } | |
3241 | ||
3242 | /* Find any dynamic relocs that apply to read-only sections. */ | |
3243 | ||
3244 | static bfd_boolean | |
3245 | elf32_tic6x_readonly_dynrelocs (struct elf_link_hash_entry *h, void *inf) | |
3246 | { | |
3247 | struct elf32_tic6x_link_hash_entry *eh; | |
3248 | struct elf_dyn_relocs *p; | |
3249 | ||
ac145307 BS |
3250 | eh = (struct elf32_tic6x_link_hash_entry *) h; |
3251 | for (p = eh->dyn_relocs; p != NULL; p = p->next) | |
3252 | { | |
3253 | asection *s = p->sec->output_section; | |
3254 | ||
3255 | if (s != NULL && (s->flags & SEC_READONLY) != 0) | |
3256 | { | |
3257 | struct bfd_link_info *info = (struct bfd_link_info *) inf; | |
3258 | ||
3259 | info->flags |= DF_TEXTREL; | |
3260 | ||
3261 | /* Not an error, just cut short the traversal. */ | |
3262 | return FALSE; | |
3263 | } | |
3264 | } | |
3265 | return TRUE; | |
3266 | } | |
3267 | ||
3268 | /* Set the sizes of the dynamic sections. */ | |
3269 | ||
3270 | static bfd_boolean | |
3271 | elf32_tic6x_size_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info) | |
3272 | { | |
3273 | struct elf32_tic6x_link_hash_table *htab; | |
3274 | bfd *dynobj; | |
3275 | asection *s; | |
3276 | bfd_boolean relocs; | |
3277 | bfd *ibfd; | |
3278 | ||
3279 | htab = elf32_tic6x_hash_table (info); | |
3280 | dynobj = htab->elf.dynobj; | |
3281 | if (dynobj == NULL) | |
3282 | abort (); | |
3283 | ||
3284 | if (htab->elf.dynamic_sections_created) | |
3285 | { | |
3286 | /* Set the contents of the .interp section to the interpreter. */ | |
9b8b325a | 3287 | if (bfd_link_executable (info) && !info->nointerp) |
ac145307 | 3288 | { |
3d4d4302 | 3289 | s = bfd_get_linker_section (dynobj, ".interp"); |
ac145307 BS |
3290 | if (s == NULL) |
3291 | abort (); | |
3292 | s->size = sizeof ELF_DYNAMIC_INTERPRETER; | |
3293 | s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER; | |
3294 | } | |
3295 | } | |
3296 | ||
3297 | /* Set up .got offsets for local syms, and space for local dynamic | |
3298 | relocs. */ | |
c72f2fb2 | 3299 | for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next) |
ac145307 BS |
3300 | { |
3301 | bfd_signed_vma *local_got; | |
3302 | bfd_signed_vma *end_local_got; | |
ac145307 BS |
3303 | bfd_size_type locsymcount; |
3304 | Elf_Internal_Shdr *symtab_hdr; | |
3305 | asection *srel; | |
3306 | ||
3307 | for (s = ibfd->sections; s != NULL; s = s->next) | |
3308 | { | |
3309 | struct elf_dyn_relocs *p; | |
3310 | ||
3311 | for (p = ((struct elf_dyn_relocs *) | |
3312 | elf_section_data (s)->local_dynrel); | |
3313 | p != NULL; | |
3314 | p = p->next) | |
3315 | { | |
3316 | if (!bfd_is_abs_section (p->sec) | |
3317 | && bfd_is_abs_section (p->sec->output_section)) | |
3318 | { | |
3319 | /* Input section has been discarded, either because | |
3320 | it is a copy of a linkonce section or due to | |
3321 | linker script /DISCARD/, so we'll be discarding | |
3322 | the relocs too. */ | |
3323 | } | |
3324 | else if (p->count != 0) | |
3325 | { | |
3326 | srel = elf_section_data (p->sec)->sreloc; | |
3327 | srel->size += p->count * sizeof (Elf32_External_Rela); | |
3328 | if ((p->sec->output_section->flags & SEC_READONLY) != 0) | |
3329 | info->flags |= DF_TEXTREL; | |
3330 | } | |
3331 | } | |
3332 | } | |
3333 | ||
3334 | local_got = elf_local_got_refcounts (ibfd); | |
3335 | if (!local_got) | |
3336 | continue; | |
3337 | ||
3338 | symtab_hdr = &elf_symtab_hdr (ibfd); | |
3339 | locsymcount = symtab_hdr->sh_info; | |
3340 | end_local_got = local_got + locsymcount; | |
3341 | s = htab->elf.sgot; | |
3342 | srel = htab->elf.srelgot; | |
544008aa | 3343 | for (; local_got < end_local_got; ++local_got) |
ac145307 BS |
3344 | { |
3345 | if (*local_got > 0) | |
3346 | { | |
3347 | *local_got = s->size; | |
3348 | s->size += 4; | |
3349 | ||
0e1862bb | 3350 | if (bfd_link_pic (info) || elf32_tic6x_using_dsbt (output_bfd)) |
ac145307 BS |
3351 | { |
3352 | srel->size += sizeof (Elf32_External_Rela); | |
3353 | } | |
3354 | } | |
3355 | else | |
3356 | *local_got = (bfd_vma) -1; | |
3357 | } | |
3358 | } | |
3359 | ||
3360 | /* Allocate global sym .plt and .got entries, and space for global | |
3361 | sym dynamic relocs. */ | |
3362 | elf_link_hash_traverse (&htab->elf, elf32_tic6x_allocate_dynrelocs, info); | |
3363 | ||
3364 | /* We now have determined the sizes of the various dynamic sections. | |
3365 | Allocate memory for them. */ | |
3366 | relocs = FALSE; | |
3367 | for (s = dynobj->sections; s != NULL; s = s->next) | |
3368 | { | |
3369 | bfd_boolean strip_section = TRUE; | |
3370 | ||
3371 | if ((s->flags & SEC_LINKER_CREATED) == 0) | |
3372 | continue; | |
3373 | ||
3374 | if (s == htab->dsbt) | |
3375 | s->size = 4 * htab->params.dsbt_size; | |
3376 | else if (s == htab->elf.splt | |
3377 | || s == htab->elf.sgot | |
3378 | || s == htab->elf.sgotplt | |
9d19e4fd | 3379 | || s == htab->elf.sdynbss) |
ac145307 BS |
3380 | { |
3381 | /* Strip this section if we don't need it; see the | |
3382 | comment below. */ | |
3383 | /* We'd like to strip these sections if they aren't needed, but if | |
3384 | we've exported dynamic symbols from them we must leave them. | |
3385 | It's too late to tell BFD to get rid of the symbols. */ | |
3386 | ||
3387 | if (htab->elf.hplt != NULL) | |
3388 | strip_section = FALSE; | |
3389 | ||
3390 | /* Round up the size of the PLT section to a multiple of 32. */ | |
3391 | if (s == htab->elf.splt && s->size > 0) | |
3392 | s->size = (s->size + 31) & ~(bfd_vma)31; | |
3393 | } | |
3394 | else if (CONST_STRNEQ (bfd_get_section_name (dynobj, s), ".rela")) | |
3395 | { | |
3396 | if (s->size != 0 | |
3397 | && s != htab->elf.srelplt) | |
3398 | relocs = TRUE; | |
3399 | ||
3400 | /* We use the reloc_count field as a counter if we need | |
3401 | to copy relocs into the output file. */ | |
3402 | s->reloc_count = 0; | |
3403 | } | |
3404 | else | |
3405 | { | |
3406 | /* It's not one of our sections, so don't allocate space. */ | |
3407 | continue; | |
3408 | } | |
3409 | ||
3410 | if (s->size == 0) | |
3411 | { | |
3412 | /* If we don't need this section, strip it from the | |
3413 | output file. This is mostly to handle .rel.bss and | |
3414 | .rel.plt. We must create both sections in | |
3415 | create_dynamic_sections, because they must be created | |
3416 | before the linker maps input sections to output | |
3417 | sections. The linker does that before | |
3418 | adjust_dynamic_symbol is called, and it is that | |
3419 | function which decides whether anything needs to go | |
3420 | into these sections. */ | |
3421 | if (strip_section) | |
3422 | s->flags |= SEC_EXCLUDE; | |
3423 | continue; | |
3424 | } | |
3425 | ||
3426 | if ((s->flags & SEC_HAS_CONTENTS) == 0) | |
3427 | continue; | |
3428 | ||
3429 | /* Allocate memory for the section contents. We use bfd_zalloc | |
3430 | here in case unused entries are not reclaimed before the | |
3431 | section's contents are written out. This should not happen, | |
3432 | but this way if it does, we get a R_C6000_NONE reloc instead | |
3433 | of garbage. */ | |
3434 | s->contents = bfd_zalloc (dynobj, s->size); | |
3435 | if (s->contents == NULL) | |
3436 | return FALSE; | |
3437 | } | |
3438 | ||
3439 | if (htab->elf.dynamic_sections_created) | |
3440 | { | |
3441 | /* Add some entries to the .dynamic section. We fill in the | |
3442 | values later, in elf32_tic6x_finish_dynamic_sections, but we | |
3443 | must add the entries now so that we get the correct size for | |
3444 | the .dynamic section. The DT_DEBUG entry is filled in by the | |
3445 | dynamic linker and used by the debugger. */ | |
3446 | #define add_dynamic_entry(TAG, VAL) \ | |
3447 | _bfd_elf_add_dynamic_entry (info, TAG, VAL) | |
3448 | ||
0e1862bb | 3449 | if (bfd_link_executable (info)) |
ac145307 BS |
3450 | { |
3451 | if (!add_dynamic_entry (DT_DEBUG, 0)) | |
3452 | return FALSE; | |
3453 | } | |
3454 | ||
3455 | if (!add_dynamic_entry (DT_C6000_DSBT_BASE, 0) | |
3456 | || !add_dynamic_entry (DT_C6000_DSBT_SIZE, htab->params.dsbt_size) | |
3457 | || !add_dynamic_entry (DT_C6000_DSBT_INDEX, | |
3458 | htab->params.dsbt_index)) | |
3459 | return FALSE; | |
3460 | ||
3461 | if (htab->elf.splt->size != 0) | |
3462 | { | |
3463 | if (!add_dynamic_entry (DT_PLTGOT, 0) | |
3464 | || !add_dynamic_entry (DT_PLTRELSZ, 0) | |
3465 | || !add_dynamic_entry (DT_PLTREL, DT_RELA) | |
3466 | || !add_dynamic_entry (DT_JMPREL, 0)) | |
3467 | return FALSE; | |
3468 | } | |
3469 | ||
3470 | if (relocs) | |
3471 | { | |
3472 | if (!add_dynamic_entry (DT_RELA, 0) | |
3473 | || !add_dynamic_entry (DT_RELASZ, 0) | |
3474 | || !add_dynamic_entry (DT_RELAENT, sizeof (Elf32_External_Rela))) | |
3475 | return FALSE; | |
3476 | ||
3477 | /* If any dynamic relocs apply to a read-only section, | |
3478 | then we need a DT_TEXTREL entry. */ | |
3479 | if ((info->flags & DF_TEXTREL) == 0) | |
3480 | elf_link_hash_traverse (&htab->elf, | |
3481 | elf32_tic6x_readonly_dynrelocs, info); | |
3482 | ||
3483 | if ((info->flags & DF_TEXTREL) != 0) | |
3484 | { | |
3485 | if (!add_dynamic_entry (DT_TEXTREL, 0)) | |
3486 | return FALSE; | |
3487 | } | |
3488 | } | |
3489 | } | |
3490 | #undef add_dynamic_entry | |
3491 | ||
3492 | return TRUE; | |
3493 | } | |
3494 | ||
3495 | /* This function is called after all the input files have been read, | |
3496 | and the input sections have been assigned to output sections. */ | |
3497 | ||
3498 | static bfd_boolean | |
3499 | elf32_tic6x_always_size_sections (bfd *output_bfd, struct bfd_link_info *info) | |
3500 | { | |
0e1862bb | 3501 | if (elf32_tic6x_using_dsbt (output_bfd) && !bfd_link_relocatable (info) |
04c3a755 NS |
3502 | && !bfd_elf_stack_segment_size (output_bfd, info, |
3503 | "__stacksize", DEFAULT_STACK_SIZE)) | |
3504 | return FALSE; | |
ac145307 BS |
3505 | |
3506 | return TRUE; | |
3507 | } | |
3508 | ||
3509 | static bfd_boolean | |
3510 | elf32_tic6x_finish_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED, | |
3511 | struct bfd_link_info *info) | |
3512 | { | |
3513 | struct elf32_tic6x_link_hash_table *htab; | |
3514 | bfd *dynobj; | |
3515 | asection *sdyn; | |
3516 | ||
3517 | htab = elf32_tic6x_hash_table (info); | |
3518 | dynobj = htab->elf.dynobj; | |
3d4d4302 | 3519 | sdyn = bfd_get_linker_section (dynobj, ".dynamic"); |
ac145307 BS |
3520 | |
3521 | if (elf_hash_table (info)->dynamic_sections_created) | |
3522 | { | |
3523 | Elf32_External_Dyn * dyncon; | |
3524 | Elf32_External_Dyn * dynconend; | |
3525 | ||
3526 | BFD_ASSERT (sdyn != NULL); | |
3527 | ||
3528 | dyncon = (Elf32_External_Dyn *) sdyn->contents; | |
3529 | dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size); | |
3530 | ||
3531 | for (; dyncon < dynconend; dyncon++) | |
3532 | { | |
3533 | Elf_Internal_Dyn dyn; | |
3534 | asection *s; | |
3535 | ||
3536 | bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn); | |
3537 | ||
3538 | switch (dyn.d_tag) | |
3539 | { | |
3540 | default: | |
3541 | break; | |
3542 | ||
3543 | case DT_C6000_DSBT_BASE: | |
3544 | s = htab->dsbt; | |
3545 | dyn.d_un.d_ptr = (s->output_section->vma + s->output_offset); | |
3546 | break; | |
3547 | ||
3548 | case DT_PLTGOT: | |
3549 | s = htab->elf.sgotplt; | |
3550 | dyn.d_un.d_ptr = s->output_section->vma + s->output_offset; | |
3551 | break; | |
3552 | ||
3553 | case DT_JMPREL: | |
3554 | s = htab->elf.srelplt; | |
3555 | dyn.d_un.d_ptr = s->output_section->vma + s->output_offset; | |
3556 | break; | |
3557 | ||
3558 | case DT_PLTRELSZ: | |
3559 | s = htab->elf.srelplt; | |
3560 | dyn.d_un.d_val = s->size; | |
3561 | break; | |
3562 | } | |
3563 | bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon); | |
3564 | } | |
3565 | ||
3566 | /* Fill in the first entry in the procedure linkage table. */ | |
3567 | if (htab->elf.splt && htab->elf.splt->size > 0) | |
3568 | { | |
3569 | bfd_vma got_offs = (htab->elf.sgotplt->output_section->vma | |
3570 | + htab->elf.sgotplt->output_offset | |
3571 | - htab->dsbt->output_section->vma | |
3572 | - htab->dsbt->output_offset) / 4; | |
3573 | ||
3574 | /* ldw .D2T2 *+b14[$GOT(0)],b2 */ | |
3575 | bfd_put_32 (output_bfd, got_offs << 8 | 0x0100006e, | |
3576 | htab->elf.splt->contents); | |
3577 | /* ldw .D2T2 *+b14[$GOT(4)],b1 */ | |
3578 | bfd_put_32 (output_bfd, (got_offs + 1) << 8 | 0x0080006e, | |
3579 | htab->elf.splt->contents + 4); | |
3580 | /* nop 3 */ | |
3581 | bfd_put_32 (output_bfd, 0x00004000, | |
3582 | htab->elf.splt->contents + 8); | |
3583 | /* b .s2 b2 */ | |
3584 | bfd_put_32 (output_bfd, 0x00080362, | |
3585 | htab->elf.splt->contents + 12); | |
3586 | /* nop 5 */ | |
3587 | bfd_put_32 (output_bfd, 0x00008000, | |
3588 | htab->elf.splt->contents + 16); | |
3589 | ||
3590 | elf_section_data (htab->elf.splt->output_section) | |
3591 | ->this_hdr.sh_entsize = PLT_ENTRY_SIZE; | |
3592 | } | |
3593 | } | |
3594 | ||
3595 | return TRUE; | |
3596 | } | |
3597 | ||
3598 | /* Return address for Ith PLT stub in section PLT, for relocation REL | |
3599 | or (bfd_vma) -1 if it should not be included. */ | |
3600 | ||
3601 | static bfd_vma | |
3602 | elf32_tic6x_plt_sym_val (bfd_vma i, const asection *plt, | |
3603 | const arelent *rel ATTRIBUTE_UNUSED) | |
3604 | { | |
3605 | return plt->vma + (i + 1) * PLT_ENTRY_SIZE; | |
3606 | } | |
3607 | ||
3608 | static int | |
3609 | elf32_tic6x_obj_attrs_arg_type (int tag) | |
59e6276b | 3610 | { |
3cbd1c06 | 3611 | if (tag == Tag_ABI_compatibility) |
59e6276b | 3612 | return ATTR_TYPE_FLAG_INT_VAL | ATTR_TYPE_FLAG_STR_VAL; |
87779176 JM |
3613 | else if (tag & 1) |
3614 | return ATTR_TYPE_FLAG_STR_VAL; | |
59e6276b | 3615 | else |
59e6276b JM |
3616 | return ATTR_TYPE_FLAG_INT_VAL; |
3617 | } | |
3618 | ||
87779176 JM |
3619 | static int |
3620 | elf32_tic6x_obj_attrs_order (int num) | |
3621 | { | |
3622 | if (num == LEAST_KNOWN_OBJ_ATTRIBUTE) | |
3623 | return Tag_ABI_conformance; | |
3624 | if ((num - 1) < Tag_ABI_conformance) | |
3625 | return num - 1; | |
3626 | return num; | |
3627 | } | |
3628 | ||
0547accf JM |
3629 | static bfd_boolean |
3630 | elf32_tic6x_obj_attrs_handle_unknown (bfd *abfd, int tag) | |
3631 | { | |
3632 | if ((tag & 127) < 64) | |
3633 | { | |
3634 | _bfd_error_handler | |
695344c0 | 3635 | /* xgettext:c-format */ |
0547accf JM |
3636 | (_("%B: error: unknown mandatory EABI object attribute %d"), |
3637 | abfd, tag); | |
3638 | bfd_set_error (bfd_error_bad_value); | |
3639 | return FALSE; | |
3640 | } | |
3641 | else | |
3642 | { | |
3643 | _bfd_error_handler | |
695344c0 | 3644 | /* xgettext:c-format */ |
0547accf JM |
3645 | (_("%B: warning: unknown EABI object attribute %d"), |
3646 | abfd, tag); | |
3647 | return TRUE; | |
3648 | } | |
3649 | } | |
3650 | ||
75fa6dc1 | 3651 | /* Merge the Tag_ISA attribute values ARCH1 and ARCH2 |
59e6276b JM |
3652 | and return the merged value. At present, all merges succeed, so no |
3653 | return value for errors is defined. */ | |
3654 | ||
3655 | int | |
3656 | elf32_tic6x_merge_arch_attributes (int arch1, int arch2) | |
3657 | { | |
3658 | int min_arch, max_arch; | |
3659 | ||
3660 | min_arch = (arch1 < arch2 ? arch1 : arch2); | |
3661 | max_arch = (arch1 > arch2 ? arch1 : arch2); | |
3662 | ||
3663 | /* In most cases, the numerically greatest value is the correct | |
3664 | merged value, but merging C64 and C67 results in C674X. */ | |
75fa6dc1 JM |
3665 | if ((min_arch == C6XABI_Tag_ISA_C67X |
3666 | || min_arch == C6XABI_Tag_ISA_C67XP) | |
3667 | && (max_arch == C6XABI_Tag_ISA_C64X | |
3668 | || max_arch == C6XABI_Tag_ISA_C64XP)) | |
3669 | return C6XABI_Tag_ISA_C674X; | |
59e6276b JM |
3670 | |
3671 | return max_arch; | |
3672 | } | |
3673 | ||
87779176 JM |
3674 | /* Convert a Tag_ABI_array_object_alignment or |
3675 | Tag_ABI_array_object_align_expected tag value TAG to a | |
3676 | corresponding alignment value; return the alignment, or -1 for an | |
3677 | unknown tag value. */ | |
3678 | ||
3679 | static int | |
3680 | elf32_tic6x_tag_to_array_alignment (int tag) | |
3681 | { | |
3682 | switch (tag) | |
3683 | { | |
3684 | case 0: | |
3685 | return 8; | |
3686 | ||
3687 | case 1: | |
3688 | return 4; | |
3689 | ||
3690 | case 2: | |
3691 | return 16; | |
3692 | ||
3693 | default: | |
3694 | return -1; | |
3695 | } | |
3696 | } | |
3697 | ||
3698 | /* Convert a Tag_ABI_array_object_alignment or | |
3699 | Tag_ABI_array_object_align_expected alignment ALIGN to a | |
3700 | corresponding tag value; return the tag value. */ | |
3701 | ||
3702 | static int | |
3703 | elf32_tic6x_array_alignment_to_tag (int align) | |
3704 | { | |
3705 | switch (align) | |
3706 | { | |
3707 | case 8: | |
3708 | return 0; | |
3709 | ||
3710 | case 4: | |
3711 | return 1; | |
3712 | ||
3713 | case 16: | |
3714 | return 2; | |
3715 | ||
3716 | default: | |
3717 | abort (); | |
3718 | } | |
3719 | } | |
3720 | ||
59e6276b JM |
3721 | /* Merge attributes from IBFD and OBFD, returning TRUE if the merge |
3722 | succeeded, FALSE otherwise. */ | |
3723 | ||
3724 | static bfd_boolean | |
50e03d47 | 3725 | elf32_tic6x_merge_attributes (bfd *ibfd, struct bfd_link_info *info) |
59e6276b | 3726 | { |
50e03d47 | 3727 | bfd *obfd = info->output_bfd; |
87779176 | 3728 | bfd_boolean result = TRUE; |
59e6276b JM |
3729 | obj_attribute *in_attr; |
3730 | obj_attribute *out_attr; | |
87779176 JM |
3731 | int i; |
3732 | int array_align_in, array_align_out, array_expect_in, array_expect_out; | |
59e6276b JM |
3733 | |
3734 | if (!elf_known_obj_attributes_proc (obfd)[0].i) | |
3735 | { | |
3736 | /* This is the first object. Copy the attributes. */ | |
3737 | _bfd_elf_copy_obj_attributes (ibfd, obfd); | |
3738 | ||
3739 | out_attr = elf_known_obj_attributes_proc (obfd); | |
3740 | ||
3741 | /* Use the Tag_null value to indicate the attributes have been | |
3742 | initialized. */ | |
3743 | out_attr[0].i = 1; | |
3744 | ||
3745 | return TRUE; | |
3746 | } | |
3747 | ||
3748 | in_attr = elf_known_obj_attributes_proc (ibfd); | |
3749 | out_attr = elf_known_obj_attributes_proc (obfd); | |
3750 | ||
3751 | /* No specification yet for handling of unknown attributes, so just | |
3752 | ignore them and handle known ones. */ | |
59e6276b | 3753 | |
87779176 JM |
3754 | if (out_attr[Tag_ABI_stack_align_preserved].i |
3755 | < in_attr[Tag_ABI_stack_align_needed].i) | |
3756 | { | |
3757 | _bfd_error_handler | |
695344c0 | 3758 | /* xgettext:c-format */ |
87779176 JM |
3759 | (_("error: %B requires more stack alignment than %B preserves"), |
3760 | ibfd, obfd); | |
3761 | result = FALSE; | |
3762 | } | |
3763 | if (in_attr[Tag_ABI_stack_align_preserved].i | |
3764 | < out_attr[Tag_ABI_stack_align_needed].i) | |
3765 | { | |
3766 | _bfd_error_handler | |
695344c0 | 3767 | /* xgettext:c-format */ |
87779176 JM |
3768 | (_("error: %B requires more stack alignment than %B preserves"), |
3769 | obfd, ibfd); | |
3770 | result = FALSE; | |
3771 | } | |
3772 | ||
3773 | array_align_in = elf32_tic6x_tag_to_array_alignment | |
3774 | (in_attr[Tag_ABI_array_object_alignment].i); | |
3775 | if (array_align_in == -1) | |
3776 | { | |
3777 | _bfd_error_handler | |
3778 | (_("error: unknown Tag_ABI_array_object_alignment value in %B"), | |
3779 | ibfd); | |
3780 | result = FALSE; | |
3781 | } | |
3782 | array_align_out = elf32_tic6x_tag_to_array_alignment | |
3783 | (out_attr[Tag_ABI_array_object_alignment].i); | |
3784 | if (array_align_out == -1) | |
3785 | { | |
3786 | _bfd_error_handler | |
3787 | (_("error: unknown Tag_ABI_array_object_alignment value in %B"), | |
3788 | obfd); | |
3789 | result = FALSE; | |
3790 | } | |
3791 | array_expect_in = elf32_tic6x_tag_to_array_alignment | |
3792 | (in_attr[Tag_ABI_array_object_align_expected].i); | |
3793 | if (array_expect_in == -1) | |
3794 | { | |
3795 | _bfd_error_handler | |
3796 | (_("error: unknown Tag_ABI_array_object_align_expected value in %B"), | |
3797 | ibfd); | |
3798 | result = FALSE; | |
3799 | } | |
3800 | array_expect_out = elf32_tic6x_tag_to_array_alignment | |
3801 | (out_attr[Tag_ABI_array_object_align_expected].i); | |
3802 | if (array_expect_out == -1) | |
3803 | { | |
3804 | _bfd_error_handler | |
3805 | (_("error: unknown Tag_ABI_array_object_align_expected value in %B"), | |
3806 | obfd); | |
3807 | result = FALSE; | |
3808 | } | |
3809 | ||
3810 | if (array_align_out < array_expect_in) | |
3811 | { | |
3812 | _bfd_error_handler | |
695344c0 | 3813 | /* xgettext:c-format */ |
87779176 JM |
3814 | (_("error: %B requires more array alignment than %B preserves"), |
3815 | ibfd, obfd); | |
3816 | result = FALSE; | |
3817 | } | |
3818 | if (array_align_in < array_expect_out) | |
b5593623 JM |
3819 | { |
3820 | _bfd_error_handler | |
695344c0 | 3821 | /* xgettext:c-format */ |
87779176 | 3822 | (_("error: %B requires more array alignment than %B preserves"), |
b5593623 | 3823 | obfd, ibfd); |
87779176 | 3824 | result = FALSE; |
b5593623 | 3825 | } |
87779176 JM |
3826 | |
3827 | for (i = LEAST_KNOWN_OBJ_ATTRIBUTE; i < NUM_KNOWN_OBJ_ATTRIBUTES; i++) | |
3828 | { | |
3829 | switch (i) | |
3830 | { | |
3831 | case Tag_ISA: | |
3832 | out_attr[i].i = elf32_tic6x_merge_arch_attributes (in_attr[i].i, | |
3833 | out_attr[i].i); | |
3834 | break; | |
3835 | ||
3836 | case Tag_ABI_wchar_t: | |
3837 | if (out_attr[i].i == 0) | |
3838 | out_attr[i].i = in_attr[i].i; | |
3839 | if (out_attr[i].i != 0 | |
3840 | && in_attr[i].i != 0 | |
3841 | && out_attr[i].i != in_attr[i].i) | |
3842 | { | |
3843 | _bfd_error_handler | |
695344c0 | 3844 | /* xgettext:c-format */ |
87779176 JM |
3845 | (_("warning: %B and %B differ in wchar_t size"), obfd, ibfd); |
3846 | } | |
3847 | break; | |
3848 | ||
3849 | case Tag_ABI_stack_align_needed: | |
3850 | if (out_attr[i].i < in_attr[i].i) | |
3851 | out_attr[i].i = in_attr[i].i; | |
3852 | break; | |
3853 | ||
3854 | case Tag_ABI_stack_align_preserved: | |
3855 | if (out_attr[i].i > in_attr[i].i) | |
3856 | out_attr[i].i = in_attr[i].i; | |
3857 | break; | |
3858 | ||
3859 | case Tag_ABI_DSBT: | |
3860 | if (out_attr[i].i != in_attr[i].i) | |
3861 | { | |
3862 | _bfd_error_handler | |
695344c0 | 3863 | /* xgettext:c-format */ |
87779176 JM |
3864 | (_("warning: %B and %B differ in whether code is " |
3865 | "compiled for DSBT"), | |
3866 | obfd, ibfd); | |
3867 | } | |
3868 | break; | |
3869 | ||
87779176 | 3870 | case Tag_ABI_PIC: |
c6a8f6e0 BS |
3871 | case Tag_ABI_PID: |
3872 | if (out_attr[i].i > in_attr[i].i) | |
3873 | out_attr[i].i = in_attr[i].i; | |
87779176 JM |
3874 | break; |
3875 | ||
3876 | case Tag_ABI_array_object_alignment: | |
3877 | if (array_align_out != -1 | |
3878 | && array_align_in != -1 | |
3879 | && array_align_out > array_align_in) | |
3880 | out_attr[i].i | |
3881 | = elf32_tic6x_array_alignment_to_tag (array_align_in); | |
3882 | break; | |
3883 | ||
3884 | case Tag_ABI_array_object_align_expected: | |
3885 | if (array_expect_out != -1 | |
3886 | && array_expect_in != -1 | |
3887 | && array_expect_out < array_expect_in) | |
3888 | out_attr[i].i | |
3889 | = elf32_tic6x_array_alignment_to_tag (array_expect_in); | |
3890 | break; | |
3891 | ||
3892 | case Tag_ABI_conformance: | |
3893 | /* Merging for this attribute is not specified. As on ARM, | |
3894 | treat a missing attribute as no claim to conform and only | |
3895 | merge identical values. */ | |
3896 | if (out_attr[i].s == NULL | |
3897 | || in_attr[i].s == NULL | |
3898 | || strcmp (out_attr[i].s, | |
3899 | in_attr[i].s) != 0) | |
3900 | out_attr[i].s = NULL; | |
3901 | break; | |
3902 | ||
0547accf JM |
3903 | case Tag_ABI_compatibility: |
3904 | /* Merged in _bfd_elf_merge_object_attributes. */ | |
3905 | break; | |
3906 | ||
87779176 | 3907 | default: |
0547accf JM |
3908 | result |
3909 | = result && _bfd_elf_merge_unknown_attribute_low (ibfd, obfd, i); | |
87779176 JM |
3910 | break; |
3911 | } | |
3912 | ||
3913 | if (in_attr[i].type && !out_attr[i].type) | |
3914 | out_attr[i].type = in_attr[i].type; | |
3915 | } | |
3916 | ||
3cbd1c06 | 3917 | /* Merge Tag_ABI_compatibility attributes and any common GNU ones. */ |
50e03d47 | 3918 | if (!_bfd_elf_merge_object_attributes (ibfd, info)) |
3cbd1c06 | 3919 | return FALSE; |
59e6276b | 3920 | |
0547accf JM |
3921 | result &= _bfd_elf_merge_unknown_attribute_list (ibfd, obfd); |
3922 | ||
87779176 | 3923 | return result; |
59e6276b JM |
3924 | } |
3925 | ||
3926 | static bfd_boolean | |
50e03d47 | 3927 | elf32_tic6x_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info) |
59e6276b | 3928 | { |
50e03d47 | 3929 | if (!_bfd_generic_verify_endian_match (ibfd, info)) |
59e6276b JM |
3930 | return FALSE; |
3931 | ||
50e03d47 | 3932 | if (! is_tic6x_elf (ibfd) || ! is_tic6x_elf (info->output_bfd)) |
b781d74f JM |
3933 | return TRUE; |
3934 | ||
50e03d47 | 3935 | if (!elf32_tic6x_merge_attributes (ibfd, info)) |
59e6276b JM |
3936 | return FALSE; |
3937 | ||
3938 | return TRUE; | |
3939 | } | |
3940 | ||
fbd9ad90 PB |
3941 | /* Add a new unwind edit to the list described by HEAD, TAIL. If TINDEX is zero, |
3942 | adds the edit to the start of the list. (The list must be built in order of | |
3943 | ascending TINDEX: the function's callers are primarily responsible for | |
3944 | maintaining that condition). */ | |
3945 | ||
3946 | static void | |
3947 | elf32_tic6x_add_unwind_table_edit (tic6x_unwind_table_edit **head, | |
3948 | tic6x_unwind_table_edit **tail, | |
3949 | tic6x_unwind_edit_type type, | |
3950 | asection *linked_section, | |
3951 | unsigned int tindex) | |
3952 | { | |
3953 | tic6x_unwind_table_edit *new_edit = (tic6x_unwind_table_edit *) | |
3954 | xmalloc (sizeof (tic6x_unwind_table_edit)); | |
68ffbac6 | 3955 | |
fbd9ad90 PB |
3956 | new_edit->type = type; |
3957 | new_edit->linked_section = linked_section; | |
3958 | new_edit->index = tindex; | |
68ffbac6 | 3959 | |
fbd9ad90 PB |
3960 | if (tindex > 0) |
3961 | { | |
3962 | new_edit->next = NULL; | |
3963 | ||
3964 | if (*tail) | |
3965 | (*tail)->next = new_edit; | |
3966 | ||
3967 | (*tail) = new_edit; | |
3968 | ||
3969 | if (!*head) | |
3970 | (*head) = new_edit; | |
3971 | } | |
3972 | else | |
3973 | { | |
3974 | new_edit->next = *head; | |
3975 | ||
3976 | if (!*tail) | |
3977 | *tail = new_edit; | |
3978 | ||
3979 | *head = new_edit; | |
3980 | } | |
3981 | } | |
3982 | ||
3983 | static _tic6x_elf_section_data * | |
3984 | get_tic6x_elf_section_data (asection * sec) | |
3985 | { | |
3986 | if (sec && sec->owner && is_tic6x_elf (sec->owner)) | |
3987 | return elf32_tic6x_section_data (sec); | |
3988 | else | |
3989 | return NULL; | |
3990 | } | |
3991 | ||
3992 | ||
3993 | /* Increase the size of EXIDX_SEC by ADJUST bytes. ADJUST must be negative. */ | |
3994 | static void | |
3995 | elf32_tic6x_adjust_exidx_size (asection *exidx_sec, int adjust) | |
3996 | { | |
3997 | asection *out_sec; | |
3998 | ||
3999 | if (!exidx_sec->rawsize) | |
4000 | exidx_sec->rawsize = exidx_sec->size; | |
4001 | ||
4002 | bfd_set_section_size (exidx_sec->owner, exidx_sec, exidx_sec->size + adjust); | |
4003 | out_sec = exidx_sec->output_section; | |
4004 | /* Adjust size of output section. */ | |
4005 | bfd_set_section_size (out_sec->owner, out_sec, out_sec->size +adjust); | |
4006 | } | |
4007 | ||
4008 | /* Insert an EXIDX_CANTUNWIND marker at the end of a section. */ | |
4009 | static void | |
4010 | elf32_tic6x_insert_cantunwind_after (asection *text_sec, asection *exidx_sec) | |
4011 | { | |
4012 | struct _tic6x_elf_section_data *exidx_data; | |
4013 | ||
4014 | exidx_data = get_tic6x_elf_section_data (exidx_sec); | |
4015 | elf32_tic6x_add_unwind_table_edit ( | |
4016 | &exidx_data->u.exidx.unwind_edit_list, | |
4017 | &exidx_data->u.exidx.unwind_edit_tail, | |
4018 | INSERT_EXIDX_CANTUNWIND_AT_END, text_sec, UINT_MAX); | |
4019 | ||
4020 | elf32_tic6x_adjust_exidx_size (exidx_sec, 8); | |
4021 | } | |
4022 | ||
4023 | /* Scan .cx6abi.exidx tables, and create a list describing edits which | |
4024 | should be made to those tables, such that: | |
68ffbac6 | 4025 | |
fbd9ad90 PB |
4026 | 1. Regions without unwind data are marked with EXIDX_CANTUNWIND entries. |
4027 | 2. Duplicate entries are merged together (EXIDX_CANTUNWIND, or unwind | |
4028 | codes which have been inlined into the index). | |
4029 | ||
4030 | If MERGE_EXIDX_ENTRIES is false, duplicate entries are not merged. | |
4031 | ||
4032 | The edits are applied when the tables are written | |
4033 | (in elf32_tic6x_write_section). | |
4034 | */ | |
4035 | ||
4036 | bfd_boolean | |
4037 | elf32_tic6x_fix_exidx_coverage (asection **text_section_order, | |
4038 | unsigned int num_text_sections, | |
4039 | struct bfd_link_info *info, | |
4040 | bfd_boolean merge_exidx_entries) | |
4041 | { | |
4042 | bfd *inp; | |
4043 | unsigned int last_second_word = 0, i; | |
4044 | asection *last_exidx_sec = NULL; | |
4045 | asection *last_text_sec = NULL; | |
4046 | int last_unwind_type = -1; | |
4047 | ||
4048 | /* Walk over all EXIDX sections, and create backlinks from the corrsponding | |
4049 | text sections. */ | |
c72f2fb2 | 4050 | for (inp = info->input_bfds; inp != NULL; inp = inp->link.next) |
fbd9ad90 PB |
4051 | { |
4052 | asection *sec; | |
68ffbac6 | 4053 | |
fbd9ad90 PB |
4054 | for (sec = inp->sections; sec != NULL; sec = sec->next) |
4055 | { | |
4056 | struct bfd_elf_section_data *elf_sec = elf_section_data (sec); | |
4057 | Elf_Internal_Shdr *hdr = &elf_sec->this_hdr; | |
68ffbac6 | 4058 | |
fbd9ad90 PB |
4059 | if (!hdr || hdr->sh_type != SHT_C6000_UNWIND) |
4060 | continue; | |
68ffbac6 | 4061 | |
fbd9ad90 PB |
4062 | if (elf_sec->linked_to) |
4063 | { | |
4064 | Elf_Internal_Shdr *linked_hdr | |
4065 | = &elf_section_data (elf_sec->linked_to)->this_hdr; | |
4066 | struct _tic6x_elf_section_data *linked_sec_tic6x_data | |
4067 | = get_tic6x_elf_section_data (linked_hdr->bfd_section); | |
4068 | ||
4069 | if (linked_sec_tic6x_data == NULL) | |
4070 | continue; | |
4071 | ||
4072 | /* Link this .c6xabi.exidx section back from the | |
4073 | text section it describes. */ | |
4074 | linked_sec_tic6x_data->u.text.tic6x_exidx_sec = sec; | |
4075 | } | |
4076 | } | |
4077 | } | |
4078 | ||
4079 | /* Walk all text sections in order of increasing VMA. Eilminate duplicate | |
4080 | index table entries (EXIDX_CANTUNWIND and inlined unwind opcodes), | |
4081 | and add EXIDX_CANTUNWIND entries for sections with no unwind table data. */ | |
4082 | ||
4083 | for (i = 0; i < num_text_sections; i++) | |
4084 | { | |
4085 | asection *sec = text_section_order[i]; | |
4086 | asection *exidx_sec; | |
4087 | struct _tic6x_elf_section_data *tic6x_data | |
4088 | = get_tic6x_elf_section_data (sec); | |
4089 | struct _tic6x_elf_section_data *exidx_data; | |
4090 | bfd_byte *contents = NULL; | |
4091 | int deleted_exidx_bytes = 0; | |
4092 | bfd_vma j; | |
4093 | tic6x_unwind_table_edit *unwind_edit_head = NULL; | |
4094 | tic6x_unwind_table_edit *unwind_edit_tail = NULL; | |
4095 | Elf_Internal_Shdr *hdr; | |
4096 | bfd *ibfd; | |
4097 | ||
4098 | if (tic6x_data == NULL) | |
4099 | continue; | |
4100 | ||
4101 | exidx_sec = tic6x_data->u.text.tic6x_exidx_sec; | |
4102 | if (exidx_sec == NULL) | |
4103 | { | |
4104 | /* Section has no unwind data. */ | |
4105 | if (last_unwind_type == 0 || !last_exidx_sec) | |
4106 | continue; | |
4107 | ||
4108 | /* Ignore zero sized sections. */ | |
4109 | if (sec->size == 0) | |
4110 | continue; | |
4111 | ||
4112 | elf32_tic6x_insert_cantunwind_after (last_text_sec, last_exidx_sec); | |
4113 | last_unwind_type = 0; | |
4114 | continue; | |
4115 | } | |
4116 | ||
4117 | /* Skip /DISCARD/ sections. */ | |
4118 | if (bfd_is_abs_section (exidx_sec->output_section)) | |
4119 | continue; | |
4120 | ||
4121 | hdr = &elf_section_data (exidx_sec)->this_hdr; | |
4122 | if (hdr->sh_type != SHT_C6000_UNWIND) | |
4123 | continue; | |
68ffbac6 | 4124 | |
fbd9ad90 PB |
4125 | exidx_data = get_tic6x_elf_section_data (exidx_sec); |
4126 | if (exidx_data == NULL) | |
4127 | continue; | |
68ffbac6 | 4128 | |
fbd9ad90 | 4129 | ibfd = exidx_sec->owner; |
68ffbac6 | 4130 | |
fbd9ad90 PB |
4131 | if (hdr->contents != NULL) |
4132 | contents = hdr->contents; | |
4133 | else if (! bfd_malloc_and_get_section (ibfd, exidx_sec, &contents)) | |
4134 | /* An error? */ | |
4135 | continue; | |
4136 | ||
4137 | for (j = 0; j < hdr->sh_size; j += 8) | |
4138 | { | |
4139 | unsigned int second_word = bfd_get_32 (ibfd, contents + j + 4); | |
4140 | int unwind_type; | |
4141 | int elide = 0; | |
4142 | ||
4143 | /* An EXIDX_CANTUNWIND entry. */ | |
4144 | if (second_word == 1) | |
4145 | { | |
4146 | if (last_unwind_type == 0) | |
4147 | elide = 1; | |
4148 | unwind_type = 0; | |
4149 | } | |
4150 | /* Inlined unwinding data. Merge if equal to previous. */ | |
4151 | else if ((second_word & 0x80000000) != 0) | |
4152 | { | |
4153 | if (merge_exidx_entries | |
4154 | && last_second_word == second_word | |
4155 | && last_unwind_type == 1) | |
4156 | elide = 1; | |
4157 | unwind_type = 1; | |
4158 | last_second_word = second_word; | |
4159 | } | |
4160 | /* Normal table entry. In theory we could merge these too, | |
4161 | but duplicate entries are likely to be much less common. */ | |
4162 | else | |
4163 | unwind_type = 2; | |
4164 | ||
4165 | if (elide) | |
4166 | { | |
4167 | elf32_tic6x_add_unwind_table_edit (&unwind_edit_head, | |
4168 | &unwind_edit_tail, DELETE_EXIDX_ENTRY, NULL, j / 8); | |
4169 | ||
4170 | deleted_exidx_bytes += 8; | |
4171 | } | |
4172 | ||
4173 | last_unwind_type = unwind_type; | |
4174 | } | |
4175 | ||
4176 | /* Free contents if we allocated it ourselves. */ | |
4177 | if (contents != hdr->contents) | |
4178 | free (contents); | |
4179 | ||
4180 | /* Record edits to be applied later (in elf32_tic6x_write_section). */ | |
4181 | exidx_data->u.exidx.unwind_edit_list = unwind_edit_head; | |
4182 | exidx_data->u.exidx.unwind_edit_tail = unwind_edit_tail; | |
68ffbac6 | 4183 | |
fbd9ad90 PB |
4184 | if (deleted_exidx_bytes > 0) |
4185 | elf32_tic6x_adjust_exidx_size (exidx_sec, -deleted_exidx_bytes); | |
4186 | ||
4187 | last_exidx_sec = exidx_sec; | |
4188 | last_text_sec = sec; | |
4189 | } | |
4190 | ||
4191 | /* Add terminating CANTUNWIND entry. */ | |
4192 | if (last_exidx_sec && last_unwind_type != 0) | |
4193 | elf32_tic6x_insert_cantunwind_after (last_text_sec, last_exidx_sec); | |
4194 | ||
4195 | return TRUE; | |
4196 | } | |
4197 | ||
4198 | /* Add ADDEND to lower 31 bits of VAL, leaving other bits unmodified. */ | |
4199 | ||
4200 | static unsigned long | |
4201 | elf32_tic6x_add_low31 (unsigned long val, bfd_vma addend) | |
4202 | { | |
4203 | return (val & ~0x7ffffffful) | ((val + addend) & 0x7ffffffful); | |
4204 | } | |
4205 | ||
4206 | /* Copy an .c6xabi.exidx table entry, adding OFFSET to (applied) PREL31 | |
4207 | relocations. OFFSET is in bytes, and will be scaled before encoding. */ | |
4208 | ||
4209 | ||
4210 | static void | |
4211 | elf32_tic6x_copy_exidx_entry (bfd *output_bfd, bfd_byte *to, bfd_byte *from, | |
4212 | bfd_vma offset) | |
4213 | { | |
4214 | unsigned long first_word = bfd_get_32 (output_bfd, from); | |
4215 | unsigned long second_word = bfd_get_32 (output_bfd, from + 4); | |
4216 | ||
4217 | offset >>= 1; | |
4218 | /* High bit of first word is supposed to be zero. */ | |
4219 | if ((first_word & 0x80000000ul) == 0) | |
4220 | first_word = elf32_tic6x_add_low31 (first_word, offset); | |
68ffbac6 | 4221 | |
fbd9ad90 PB |
4222 | /* If the high bit of the first word is clear, and the bit pattern is not 0x1 |
4223 | (EXIDX_CANTUNWIND), this is an offset to an .c6xabi.extab entry. */ | |
4224 | if ((second_word != 0x1) && ((second_word & 0x80000000ul) == 0)) | |
4225 | second_word = elf32_tic6x_add_low31 (second_word, offset); | |
68ffbac6 | 4226 | |
fbd9ad90 PB |
4227 | bfd_put_32 (output_bfd, first_word, to); |
4228 | bfd_put_32 (output_bfd, second_word, to + 4); | |
4229 | } | |
4230 | ||
4231 | /* Do the actual mangling of exception index tables. */ | |
4232 | ||
4233 | static bfd_boolean | |
4234 | elf32_tic6x_write_section (bfd *output_bfd, | |
4235 | struct bfd_link_info *link_info, | |
4236 | asection *sec, | |
4237 | bfd_byte *contents) | |
4238 | { | |
4239 | _tic6x_elf_section_data *tic6x_data; | |
4240 | struct elf32_tic6x_link_hash_table *globals | |
4241 | = elf32_tic6x_hash_table (link_info); | |
4242 | bfd_vma offset = sec->output_section->vma + sec->output_offset; | |
4243 | ||
4244 | if (globals == NULL) | |
4245 | return FALSE; | |
4246 | ||
4247 | /* If this section has not been allocated an _tic6x_elf_section_data | |
4248 | structure then we cannot record anything. */ | |
4249 | tic6x_data = get_tic6x_elf_section_data (sec); | |
4250 | if (tic6x_data == NULL) | |
4251 | return FALSE; | |
4252 | ||
4253 | if (tic6x_data->elf.this_hdr.sh_type != SHT_C6000_UNWIND) | |
4254 | return FALSE; | |
4255 | ||
4256 | tic6x_unwind_table_edit *edit_node | |
4257 | = tic6x_data->u.exidx.unwind_edit_list; | |
4258 | /* Now, sec->size is the size of the section we will write. The original | |
4259 | size (before we merged duplicate entries and inserted EXIDX_CANTUNWIND | |
4260 | markers) was sec->rawsize. (This isn't the case if we perform no | |
4261 | edits, then rawsize will be zero and we should use size). */ | |
4262 | bfd_byte *edited_contents = (bfd_byte *) bfd_malloc (sec->size); | |
4263 | unsigned int input_size = sec->rawsize ? sec->rawsize : sec->size; | |
4264 | unsigned int in_index, out_index; | |
4265 | bfd_vma add_to_offsets = 0; | |
4266 | ||
4267 | for (in_index = 0, out_index = 0; in_index * 8 < input_size || edit_node;) | |
4268 | { | |
4269 | if (edit_node) | |
4270 | { | |
4271 | unsigned int edit_index = edit_node->index; | |
68ffbac6 | 4272 | |
fbd9ad90 PB |
4273 | if (in_index < edit_index && in_index * 8 < input_size) |
4274 | { | |
4275 | elf32_tic6x_copy_exidx_entry (output_bfd, | |
4276 | edited_contents + out_index * 8, | |
4277 | contents + in_index * 8, add_to_offsets); | |
4278 | out_index++; | |
4279 | in_index++; | |
4280 | } | |
4281 | else if (in_index == edit_index | |
4282 | || (in_index * 8 >= input_size | |
4283 | && edit_index == UINT_MAX)) | |
4284 | { | |
4285 | switch (edit_node->type) | |
4286 | { | |
4287 | case DELETE_EXIDX_ENTRY: | |
4288 | in_index++; | |
4289 | add_to_offsets += 8; | |
4290 | break; | |
68ffbac6 | 4291 | |
fbd9ad90 PB |
4292 | case INSERT_EXIDX_CANTUNWIND_AT_END: |
4293 | { | |
4294 | asection *text_sec = edit_node->linked_section; | |
4295 | bfd_vma text_offset = text_sec->output_section->vma | |
4296 | + text_sec->output_offset | |
4297 | + text_sec->size; | |
4298 | bfd_vma exidx_offset = offset + out_index * 8; | |
4299 | unsigned long prel31_offset; | |
4300 | ||
4301 | /* Note: this is meant to be equivalent to an | |
4302 | R_C6000_PREL31 relocation. These synthetic | |
4303 | EXIDX_CANTUNWIND markers are not relocated by the | |
4304 | usual BFD method. */ | |
4305 | prel31_offset = ((text_offset - exidx_offset) >> 1) | |
4306 | & 0x7ffffffful; | |
4307 | ||
4308 | /* First address we can't unwind. */ | |
4309 | bfd_put_32 (output_bfd, prel31_offset, | |
4310 | &edited_contents[out_index * 8]); | |
4311 | ||
4312 | /* Code for EXIDX_CANTUNWIND. */ | |
4313 | bfd_put_32 (output_bfd, 0x1, | |
4314 | &edited_contents[out_index * 8 + 4]); | |
4315 | ||
4316 | out_index++; | |
4317 | add_to_offsets -= 8; | |
4318 | } | |
4319 | break; | |
4320 | } | |
68ffbac6 | 4321 | |
fbd9ad90 PB |
4322 | edit_node = edit_node->next; |
4323 | } | |
4324 | } | |
4325 | else | |
4326 | { | |
4327 | /* No more edits, copy remaining entries verbatim. */ | |
4328 | elf32_tic6x_copy_exidx_entry (output_bfd, | |
4329 | edited_contents + out_index * 8, | |
4330 | contents + in_index * 8, add_to_offsets); | |
4331 | out_index++; | |
4332 | in_index++; | |
4333 | } | |
4334 | } | |
4335 | ||
4336 | if (!(sec->flags & SEC_EXCLUDE) && !(sec->flags & SEC_NEVER_LOAD)) | |
4337 | bfd_set_section_contents (output_bfd, sec->output_section, | |
4338 | edited_contents, | |
4339 | (file_ptr) sec->output_offset, sec->size); | |
4340 | ||
4341 | return TRUE; | |
4342 | } | |
4343 | ||
6d00b590 | 4344 | #define TARGET_LITTLE_SYM tic6x_elf32_le_vec |
40b36596 | 4345 | #define TARGET_LITTLE_NAME "elf32-tic6x-le" |
6d00b590 | 4346 | #define TARGET_BIG_SYM tic6x_elf32_be_vec |
40b36596 JM |
4347 | #define TARGET_BIG_NAME "elf32-tic6x-be" |
4348 | #define ELF_ARCH bfd_arch_tic6x | |
ae95ffa6 | 4349 | #define ELF_TARGET_ID TIC6X_ELF_DATA |
40b36596 | 4350 | #define ELF_MACHINE_CODE EM_TI_C6000 |
ac145307 | 4351 | #define ELF_MAXPAGESIZE 0x1000 |
40b36596 JM |
4352 | #define bfd_elf32_bfd_reloc_type_lookup elf32_tic6x_reloc_type_lookup |
4353 | #define bfd_elf32_bfd_reloc_name_lookup elf32_tic6x_reloc_name_lookup | |
59e6276b | 4354 | #define bfd_elf32_bfd_merge_private_bfd_data elf32_tic6x_merge_private_bfd_data |
41820509 | 4355 | #define bfd_elf32_mkobject elf32_tic6x_mkobject |
ac145307 | 4356 | #define bfd_elf32_bfd_link_hash_table_create elf32_tic6x_link_hash_table_create |
41820509 | 4357 | #define bfd_elf32_new_section_hook elf32_tic6x_new_section_hook |
04c3a755 | 4358 | #define elf_backend_stack_align 8 |
40b36596 JM |
4359 | #define elf_backend_can_gc_sections 1 |
4360 | #define elf_backend_default_use_rela_p 1 | |
4361 | #define elf_backend_may_use_rel_p 1 | |
4362 | #define elf_backend_may_use_rela_p 1 | |
59e6276b | 4363 | #define elf_backend_obj_attrs_arg_type elf32_tic6x_obj_attrs_arg_type |
0547accf | 4364 | #define elf_backend_obj_attrs_handle_unknown elf32_tic6x_obj_attrs_handle_unknown |
87779176 | 4365 | #define elf_backend_obj_attrs_order elf32_tic6x_obj_attrs_order |
75fa6dc1 | 4366 | #define elf_backend_obj_attrs_section ".c6xabi.attributes" |
59e6276b JM |
4367 | #define elf_backend_obj_attrs_section_type SHT_C6000_ATTRIBUTES |
4368 | #define elf_backend_obj_attrs_vendor "c6xabi" | |
ac145307 BS |
4369 | #define elf_backend_can_refcount 1 |
4370 | #define elf_backend_want_got_plt 1 | |
4371 | #define elf_backend_want_dynbss 1 | |
4372 | #define elf_backend_plt_readonly 1 | |
40b36596 | 4373 | #define elf_backend_rela_normal 1 |
ac145307 | 4374 | #define elf_backend_got_header_size 8 |
1bce6bd8 | 4375 | #define elf_backend_fake_sections elf32_tic6x_fake_sections |
ac145307 | 4376 | #define elf_backend_gc_sweep_hook elf32_tic6x_gc_sweep_hook |
9cf0e282 | 4377 | #define elf_backend_gc_mark_extra_sections elf32_tic6x_gc_mark_extra_sections |
ac145307 BS |
4378 | #define elf_backend_create_dynamic_sections \ |
4379 | elf32_tic6x_create_dynamic_sections | |
4380 | #define elf_backend_adjust_dynamic_symbol \ | |
4381 | elf32_tic6x_adjust_dynamic_symbol | |
4382 | #define elf_backend_check_relocs elf32_tic6x_check_relocs | |
4383 | #define elf_backend_add_symbol_hook elf32_tic6x_add_symbol_hook | |
4384 | #define elf_backend_symbol_processing elf32_tic6x_symbol_processing | |
4385 | #define elf_backend_link_output_symbol_hook \ | |
4386 | elf32_tic6x_link_output_symbol_hook | |
4387 | #define elf_backend_section_from_bfd_section \ | |
4388 | elf32_tic6x_section_from_bfd_section | |
40b36596 | 4389 | #define elf_backend_relocate_section elf32_tic6x_relocate_section |
2a616379 | 4390 | #define elf_backend_relocs_compatible _bfd_elf_relocs_compatible |
ac145307 BS |
4391 | #define elf_backend_finish_dynamic_symbol \ |
4392 | elf32_tic6x_finish_dynamic_symbol | |
4393 | #define elf_backend_always_size_sections \ | |
4394 | elf32_tic6x_always_size_sections | |
4395 | #define elf_backend_size_dynamic_sections \ | |
4396 | elf32_tic6x_size_dynamic_sections | |
4397 | #define elf_backend_finish_dynamic_sections \ | |
4398 | elf32_tic6x_finish_dynamic_sections | |
c6a8f6e0 BS |
4399 | #define bfd_elf32_bfd_final_link \ |
4400 | elf32_tic6x_final_link | |
fbd9ad90 | 4401 | #define elf_backend_write_section elf32_tic6x_write_section |
40b36596 | 4402 | #define elf_info_to_howto elf32_tic6x_info_to_howto |
41820509 | 4403 | #define elf_info_to_howto_rel elf32_tic6x_info_to_howto_rel |
40b36596 | 4404 | |
ac145307 BS |
4405 | #undef elf_backend_omit_section_dynsym |
4406 | #define elf_backend_omit_section_dynsym elf32_tic6x_link_omit_section_dynsym | |
4407 | #define elf_backend_plt_sym_val elf32_tic6x_plt_sym_val | |
4408 | ||
2a616379 BS |
4409 | #include "elf32-target.h" |
4410 | ||
4411 | #undef elf32_bed | |
4412 | #define elf32_bed elf32_tic6x_linux_bed | |
4413 | ||
4414 | #undef TARGET_LITTLE_SYM | |
6d00b590 | 4415 | #define TARGET_LITTLE_SYM tic6x_elf32_linux_le_vec |
2a616379 BS |
4416 | #undef TARGET_LITTLE_NAME |
4417 | #define TARGET_LITTLE_NAME "elf32-tic6x-linux-le" | |
4418 | #undef TARGET_BIG_SYM | |
6d00b590 | 4419 | #define TARGET_BIG_SYM tic6x_elf32_linux_be_vec |
2a616379 BS |
4420 | #undef TARGET_BIG_NAME |
4421 | #define TARGET_BIG_NAME "elf32-tic6x-linux-be" | |
4422 | #undef ELF_OSABI | |
4423 | #define ELF_OSABI ELFOSABI_C6000_LINUX | |
4424 | ||
2a616379 BS |
4425 | #include "elf32-target.h" |
4426 | ||
4427 | #undef elf32_bed | |
4428 | #define elf32_bed elf32_tic6x_elf_bed | |
4429 | ||
4430 | #undef TARGET_LITTLE_SYM | |
6d00b590 | 4431 | #define TARGET_LITTLE_SYM tic6x_elf32_c6000_le_vec |
2a616379 BS |
4432 | #undef TARGET_LITTLE_NAME |
4433 | #define TARGET_LITTLE_NAME "elf32-tic6x-elf-le" | |
4434 | #undef TARGET_BIG_SYM | |
6d00b590 | 4435 | #define TARGET_BIG_SYM tic6x_elf32_c6000_be_vec |
2a616379 BS |
4436 | #undef TARGET_BIG_NAME |
4437 | #define TARGET_BIG_NAME "elf32-tic6x-elf-be" | |
4438 | #undef ELF_OSABI | |
4439 | #define ELF_OSABI ELFOSABI_C6000_ELFABI | |
4440 | ||
40b36596 | 4441 | #include "elf32-target.h" |