]>
Commit | Line | Data |
---|---|---|
252b5132 | 1 | /* Hitachi SH specific support for 32-bit ELF |
fbca6ad9 | 2 | Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002 |
7898deda | 3 | Free Software Foundation, Inc. |
252b5132 RH |
4 | Contributed by Ian Lance Taylor, Cygnus Support. |
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 2 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
21 | ||
22 | #include "bfd.h" | |
23 | #include "sysdep.h" | |
24 | #include "bfdlink.h" | |
25 | #include "libbfd.h" | |
26 | #include "elf-bfd.h" | |
27 | #include "elf/sh.h" | |
28 | ||
29 | static bfd_reloc_status_type sh_elf_reloc | |
30 | PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); | |
31 | static bfd_reloc_status_type sh_elf_ignore_reloc | |
32 | PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); | |
33 | static reloc_howto_type *sh_elf_reloc_type_lookup | |
34 | PARAMS ((bfd *, bfd_reloc_code_real_type)); | |
35 | static void sh_elf_info_to_howto | |
36 | PARAMS ((bfd *, arelent *, Elf_Internal_Rela *)); | |
d4845d57 JR |
37 | static boolean sh_elf_set_private_flags |
38 | PARAMS ((bfd *, flagword)); | |
39 | static boolean sh_elf_copy_private_data | |
40 | PARAMS ((bfd *, bfd *)); | |
41 | static boolean sh_elf_merge_private_data | |
42 | PARAMS ((bfd *, bfd *)); | |
1630fd2b | 43 | static boolean sh_elf_set_mach_from_flags |
d4845d57 | 44 | PARAMS ((bfd *)); |
252b5132 RH |
45 | static boolean sh_elf_relax_section |
46 | PARAMS ((bfd *, asection *, struct bfd_link_info *, boolean *)); | |
47 | static boolean sh_elf_relax_delete_bytes | |
48 | PARAMS ((bfd *, asection *, bfd_vma, int)); | |
49 | static boolean sh_elf_align_loads | |
50 | PARAMS ((bfd *, asection *, Elf_Internal_Rela *, bfd_byte *, boolean *)); | |
51 | static boolean sh_elf_swap_insns | |
52 | PARAMS ((bfd *, asection *, PTR, bfd_byte *, bfd_vma)); | |
53 | static boolean sh_elf_relocate_section | |
54 | PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, | |
55 | Elf_Internal_Rela *, Elf_Internal_Sym *, asection **)); | |
56 | static bfd_byte *sh_elf_get_relocated_section_contents | |
57 | PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_order *, | |
58 | bfd_byte *, boolean, asymbol **)); | |
067653c5 AM |
59 | static void sh_elf_copy_indirect_symbol |
60 | PARAMS ((struct elf_backend_data *, struct elf_link_hash_entry *, | |
61 | struct elf_link_hash_entry *)); | |
37c644f2 AO |
62 | static boolean sh_elf_check_relocs |
63 | PARAMS ((bfd *, struct bfd_link_info *, asection *, | |
64 | const Elf_Internal_Rela *)); | |
65 | static struct bfd_hash_entry *sh_elf_link_hash_newfunc | |
66 | PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *)); | |
67 | static struct bfd_link_hash_table *sh_elf_link_hash_table_create | |
68 | PARAMS ((bfd *)); | |
69 | static boolean sh_elf_adjust_dynamic_symbol | |
70 | PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *)); | |
71 | static boolean sh_elf_size_dynamic_sections | |
72 | PARAMS ((bfd *, struct bfd_link_info *)); | |
73 | static boolean sh_elf_finish_dynamic_symbol | |
74 | PARAMS ((bfd *, struct bfd_link_info *, struct elf_link_hash_entry *, | |
75 | Elf_Internal_Sym *)); | |
76 | static boolean sh_elf_finish_dynamic_sections | |
77 | PARAMS ((bfd *, struct bfd_link_info *)); | |
917583ad NC |
78 | static bfd_reloc_status_type sh_elf_reloc_loop |
79 | PARAMS ((int, bfd *, asection *, bfd_byte *, bfd_vma, asection *, | |
80 | bfd_vma, bfd_vma)); | |
067653c5 AM |
81 | static boolean create_got_section |
82 | PARAMS((bfd *, struct bfd_link_info *)); | |
917583ad NC |
83 | static boolean sh_elf_create_dynamic_sections |
84 | PARAMS ((bfd *, struct bfd_link_info *)); | |
85 | static asection * sh_elf_gc_mark_hook | |
1e2f5b6e | 86 | PARAMS ((asection *, struct bfd_link_info *, Elf_Internal_Rela *, |
917583ad NC |
87 | struct elf_link_hash_entry *, Elf_Internal_Sym *)); |
88 | static boolean sh_elf_gc_sweep_hook | |
89 | PARAMS ((bfd *, struct bfd_link_info *, asection *, | |
90 | const Elf_Internal_Rela *)); | |
067653c5 AM |
91 | static boolean allocate_dynrelocs |
92 | PARAMS ((struct elf_link_hash_entry *, PTR)); | |
93 | static boolean readonly_dynrelocs | |
94 | PARAMS ((struct elf_link_hash_entry *, PTR)); | |
99e4ae17 | 95 | static enum elf_reloc_type_class sh_elf_reloc_type_class |
f51e552e | 96 | PARAMS ((const Elf_Internal_Rela *)); |
518313c3 AO |
97 | #ifdef INCLUDE_SHMEDIA |
98 | inline static void movi_shori_putval PARAMS ((bfd *, unsigned long, char *)); | |
99 | #endif | |
37c644f2 AO |
100 | |
101 | /* The name of the dynamic interpreter. This is put in the .interp | |
102 | section. */ | |
103 | ||
104 | #define ELF_DYNAMIC_INTERPRETER "/usr/lib/libc.so.1" | |
252b5132 | 105 | |
38b1a46c NC |
106 | static reloc_howto_type sh_elf_howto_table[] = |
107 | { | |
252b5132 RH |
108 | /* No relocation. */ |
109 | HOWTO (R_SH_NONE, /* type */ | |
110 | 0, /* rightshift */ | |
111 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
112 | 0, /* bitsize */ | |
113 | false, /* pc_relative */ | |
114 | 0, /* bitpos */ | |
115 | complain_overflow_dont, /* complain_on_overflow */ | |
015551fc | 116 | sh_elf_ignore_reloc, /* special_function */ |
252b5132 RH |
117 | "R_SH_NONE", /* name */ |
118 | false, /* partial_inplace */ | |
119 | 0, /* src_mask */ | |
120 | 0, /* dst_mask */ | |
121 | false), /* pcrel_offset */ | |
122 | ||
123 | /* 32 bit absolute relocation. Setting partial_inplace to true and | |
124 | src_mask to a non-zero value is similar to the COFF toolchain. */ | |
125 | HOWTO (R_SH_DIR32, /* type */ | |
126 | 0, /* rightshift */ | |
127 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
128 | 32, /* bitsize */ | |
129 | false, /* pc_relative */ | |
130 | 0, /* bitpos */ | |
131 | complain_overflow_bitfield, /* complain_on_overflow */ | |
132 | sh_elf_reloc, /* special_function */ | |
133 | "R_SH_DIR32", /* name */ | |
134 | true, /* partial_inplace */ | |
135 | 0xffffffff, /* src_mask */ | |
136 | 0xffffffff, /* dst_mask */ | |
137 | false), /* pcrel_offset */ | |
138 | ||
139 | /* 32 bit PC relative relocation. */ | |
140 | HOWTO (R_SH_REL32, /* type */ | |
141 | 0, /* rightshift */ | |
142 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
143 | 32, /* bitsize */ | |
144 | true, /* pc_relative */ | |
145 | 0, /* bitpos */ | |
146 | complain_overflow_signed, /* complain_on_overflow */ | |
015551fc | 147 | sh_elf_ignore_reloc, /* special_function */ |
252b5132 | 148 | "R_SH_REL32", /* name */ |
146be91a HPN |
149 | true, /* partial_inplace */ |
150 | 0xffffffff, /* src_mask */ | |
252b5132 RH |
151 | 0xffffffff, /* dst_mask */ |
152 | true), /* pcrel_offset */ | |
153 | ||
154 | /* 8 bit PC relative branch divided by 2. */ | |
155 | HOWTO (R_SH_DIR8WPN, /* type */ | |
156 | 1, /* rightshift */ | |
157 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
158 | 8, /* bitsize */ | |
159 | true, /* pc_relative */ | |
160 | 0, /* bitpos */ | |
161 | complain_overflow_signed, /* complain_on_overflow */ | |
015551fc | 162 | sh_elf_ignore_reloc, /* special_function */ |
252b5132 RH |
163 | "R_SH_DIR8WPN", /* name */ |
164 | true, /* partial_inplace */ | |
165 | 0xff, /* src_mask */ | |
166 | 0xff, /* dst_mask */ | |
167 | true), /* pcrel_offset */ | |
168 | ||
169 | /* 12 bit PC relative branch divided by 2. */ | |
170 | HOWTO (R_SH_IND12W, /* type */ | |
171 | 1, /* rightshift */ | |
172 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
173 | 12, /* bitsize */ | |
174 | true, /* pc_relative */ | |
175 | 0, /* bitpos */ | |
176 | complain_overflow_signed, /* complain_on_overflow */ | |
177 | sh_elf_reloc, /* special_function */ | |
178 | "R_SH_IND12W", /* name */ | |
179 | true, /* partial_inplace */ | |
180 | 0xfff, /* src_mask */ | |
181 | 0xfff, /* dst_mask */ | |
182 | true), /* pcrel_offset */ | |
183 | ||
184 | /* 8 bit unsigned PC relative divided by 4. */ | |
185 | HOWTO (R_SH_DIR8WPL, /* type */ | |
186 | 2, /* rightshift */ | |
187 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
188 | 8, /* bitsize */ | |
189 | true, /* pc_relative */ | |
190 | 0, /* bitpos */ | |
191 | complain_overflow_unsigned, /* complain_on_overflow */ | |
015551fc | 192 | sh_elf_ignore_reloc, /* special_function */ |
252b5132 RH |
193 | "R_SH_DIR8WPL", /* name */ |
194 | true, /* partial_inplace */ | |
195 | 0xff, /* src_mask */ | |
196 | 0xff, /* dst_mask */ | |
197 | true), /* pcrel_offset */ | |
198 | ||
199 | /* 8 bit unsigned PC relative divided by 2. */ | |
200 | HOWTO (R_SH_DIR8WPZ, /* type */ | |
201 | 1, /* rightshift */ | |
202 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
203 | 8, /* bitsize */ | |
204 | true, /* pc_relative */ | |
205 | 0, /* bitpos */ | |
206 | complain_overflow_unsigned, /* complain_on_overflow */ | |
015551fc | 207 | sh_elf_ignore_reloc, /* special_function */ |
252b5132 RH |
208 | "R_SH_DIR8WPZ", /* name */ |
209 | true, /* partial_inplace */ | |
210 | 0xff, /* src_mask */ | |
211 | 0xff, /* dst_mask */ | |
212 | true), /* pcrel_offset */ | |
213 | ||
214 | /* 8 bit GBR relative. FIXME: This only makes sense if we have some | |
215 | special symbol for the GBR relative area, and that is not | |
216 | implemented. */ | |
217 | HOWTO (R_SH_DIR8BP, /* type */ | |
218 | 0, /* rightshift */ | |
219 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
220 | 8, /* bitsize */ | |
221 | false, /* pc_relative */ | |
222 | 0, /* bitpos */ | |
223 | complain_overflow_unsigned, /* complain_on_overflow */ | |
015551fc | 224 | sh_elf_ignore_reloc, /* special_function */ |
252b5132 RH |
225 | "R_SH_DIR8BP", /* name */ |
226 | false, /* partial_inplace */ | |
227 | 0, /* src_mask */ | |
228 | 0xff, /* dst_mask */ | |
229 | true), /* pcrel_offset */ | |
230 | ||
231 | /* 8 bit GBR relative divided by 2. FIXME: This only makes sense if | |
232 | we have some special symbol for the GBR relative area, and that | |
233 | is not implemented. */ | |
234 | HOWTO (R_SH_DIR8W, /* type */ | |
235 | 1, /* rightshift */ | |
236 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
237 | 8, /* bitsize */ | |
238 | false, /* pc_relative */ | |
239 | 0, /* bitpos */ | |
240 | complain_overflow_unsigned, /* complain_on_overflow */ | |
015551fc | 241 | sh_elf_ignore_reloc, /* special_function */ |
252b5132 RH |
242 | "R_SH_DIR8W", /* name */ |
243 | false, /* partial_inplace */ | |
244 | 0, /* src_mask */ | |
245 | 0xff, /* dst_mask */ | |
246 | true), /* pcrel_offset */ | |
247 | ||
248 | /* 8 bit GBR relative divided by 4. FIXME: This only makes sense if | |
249 | we have some special symbol for the GBR relative area, and that | |
250 | is not implemented. */ | |
251 | HOWTO (R_SH_DIR8L, /* type */ | |
252 | 2, /* rightshift */ | |
253 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
254 | 8, /* bitsize */ | |
255 | false, /* pc_relative */ | |
256 | 0, /* bitpos */ | |
257 | complain_overflow_unsigned, /* complain_on_overflow */ | |
015551fc | 258 | sh_elf_ignore_reloc, /* special_function */ |
252b5132 RH |
259 | "R_SH_DIR8L", /* name */ |
260 | false, /* partial_inplace */ | |
261 | 0, /* src_mask */ | |
262 | 0xff, /* dst_mask */ | |
263 | true), /* pcrel_offset */ | |
264 | ||
06bb75c1 AO |
265 | EMPTY_HOWTO (10), |
266 | EMPTY_HOWTO (11), | |
267 | EMPTY_HOWTO (12), | |
268 | EMPTY_HOWTO (13), | |
269 | EMPTY_HOWTO (14), | |
270 | EMPTY_HOWTO (15), | |
271 | EMPTY_HOWTO (16), | |
272 | EMPTY_HOWTO (17), | |
5f771d47 ILT |
273 | EMPTY_HOWTO (18), |
274 | EMPTY_HOWTO (19), | |
275 | EMPTY_HOWTO (20), | |
276 | EMPTY_HOWTO (21), | |
277 | EMPTY_HOWTO (22), | |
278 | EMPTY_HOWTO (23), | |
279 | EMPTY_HOWTO (24), | |
252b5132 RH |
280 | |
281 | /* The remaining relocs are a GNU extension used for relaxing. The | |
282 | final pass of the linker never needs to do anything with any of | |
283 | these relocs. Any required operations are handled by the | |
284 | relaxation code. */ | |
285 | ||
286 | /* A 16 bit switch table entry. This is generated for an expression | |
287 | such as ``.word L1 - L2''. The offset holds the difference | |
288 | between the reloc address and L2. */ | |
289 | HOWTO (R_SH_SWITCH16, /* type */ | |
290 | 0, /* rightshift */ | |
291 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
292 | 16, /* bitsize */ | |
293 | false, /* pc_relative */ | |
294 | 0, /* bitpos */ | |
295 | complain_overflow_unsigned, /* complain_on_overflow */ | |
296 | sh_elf_ignore_reloc, /* special_function */ | |
297 | "R_SH_SWITCH16", /* name */ | |
298 | false, /* partial_inplace */ | |
299 | 0, /* src_mask */ | |
300 | 0, /* dst_mask */ | |
301 | true), /* pcrel_offset */ | |
302 | ||
303 | /* A 32 bit switch table entry. This is generated for an expression | |
304 | such as ``.long L1 - L2''. The offset holds the difference | |
305 | between the reloc address and L2. */ | |
306 | HOWTO (R_SH_SWITCH32, /* type */ | |
307 | 0, /* rightshift */ | |
308 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
309 | 32, /* bitsize */ | |
310 | false, /* pc_relative */ | |
311 | 0, /* bitpos */ | |
312 | complain_overflow_unsigned, /* complain_on_overflow */ | |
313 | sh_elf_ignore_reloc, /* special_function */ | |
314 | "R_SH_SWITCH32", /* name */ | |
315 | false, /* partial_inplace */ | |
316 | 0, /* src_mask */ | |
317 | 0, /* dst_mask */ | |
318 | true), /* pcrel_offset */ | |
319 | ||
320 | /* Indicates a .uses pseudo-op. The compiler will generate .uses | |
321 | pseudo-ops when it finds a function call which can be relaxed. | |
322 | The offset field holds the PC relative offset to the instruction | |
323 | which loads the register used in the function call. */ | |
324 | HOWTO (R_SH_USES, /* type */ | |
325 | 0, /* rightshift */ | |
326 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
327 | 0, /* bitsize */ | |
328 | false, /* pc_relative */ | |
329 | 0, /* bitpos */ | |
330 | complain_overflow_unsigned, /* complain_on_overflow */ | |
331 | sh_elf_ignore_reloc, /* special_function */ | |
332 | "R_SH_USES", /* name */ | |
333 | false, /* partial_inplace */ | |
334 | 0, /* src_mask */ | |
335 | 0, /* dst_mask */ | |
336 | true), /* pcrel_offset */ | |
337 | ||
338 | /* The assembler will generate this reloc for addresses referred to | |
339 | by the register loads associated with USES relocs. The offset | |
340 | field holds the number of times the address is referenced in the | |
341 | object file. */ | |
342 | HOWTO (R_SH_COUNT, /* type */ | |
343 | 0, /* rightshift */ | |
344 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
345 | 0, /* bitsize */ | |
346 | false, /* pc_relative */ | |
347 | 0, /* bitpos */ | |
348 | complain_overflow_unsigned, /* complain_on_overflow */ | |
349 | sh_elf_ignore_reloc, /* special_function */ | |
350 | "R_SH_COUNT", /* name */ | |
351 | false, /* partial_inplace */ | |
352 | 0, /* src_mask */ | |
353 | 0, /* dst_mask */ | |
354 | true), /* pcrel_offset */ | |
355 | ||
356 | /* Indicates an alignment statement. The offset field is the power | |
357 | of 2 to which subsequent portions of the object file must be | |
358 | aligned. */ | |
359 | HOWTO (R_SH_ALIGN, /* type */ | |
360 | 0, /* rightshift */ | |
361 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
362 | 0, /* bitsize */ | |
363 | false, /* pc_relative */ | |
364 | 0, /* bitpos */ | |
365 | complain_overflow_unsigned, /* complain_on_overflow */ | |
366 | sh_elf_ignore_reloc, /* special_function */ | |
367 | "R_SH_ALIGN", /* name */ | |
368 | false, /* partial_inplace */ | |
369 | 0, /* src_mask */ | |
370 | 0, /* dst_mask */ | |
371 | true), /* pcrel_offset */ | |
372 | ||
373 | /* The assembler will generate this reloc before a block of | |
374 | instructions. A section should be processed as assumining it | |
375 | contains data, unless this reloc is seen. */ | |
376 | HOWTO (R_SH_CODE, /* type */ | |
377 | 0, /* rightshift */ | |
378 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
379 | 0, /* bitsize */ | |
380 | false, /* pc_relative */ | |
381 | 0, /* bitpos */ | |
382 | complain_overflow_unsigned, /* complain_on_overflow */ | |
383 | sh_elf_ignore_reloc, /* special_function */ | |
384 | "R_SH_CODE", /* name */ | |
385 | false, /* partial_inplace */ | |
386 | 0, /* src_mask */ | |
387 | 0, /* dst_mask */ | |
388 | true), /* pcrel_offset */ | |
389 | ||
390 | /* The assembler will generate this reloc after a block of | |
391 | instructions when it sees data that is not instructions. */ | |
392 | HOWTO (R_SH_DATA, /* type */ | |
393 | 0, /* rightshift */ | |
394 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
395 | 0, /* bitsize */ | |
396 | false, /* pc_relative */ | |
397 | 0, /* bitpos */ | |
398 | complain_overflow_unsigned, /* complain_on_overflow */ | |
399 | sh_elf_ignore_reloc, /* special_function */ | |
400 | "R_SH_DATA", /* name */ | |
401 | false, /* partial_inplace */ | |
402 | 0, /* src_mask */ | |
403 | 0, /* dst_mask */ | |
404 | true), /* pcrel_offset */ | |
405 | ||
406 | /* The assembler generates this reloc for each label within a block | |
407 | of instructions. This permits the linker to avoid swapping | |
408 | instructions which are the targets of branches. */ | |
409 | HOWTO (R_SH_LABEL, /* type */ | |
410 | 0, /* rightshift */ | |
411 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
412 | 0, /* bitsize */ | |
413 | false, /* pc_relative */ | |
414 | 0, /* bitpos */ | |
415 | complain_overflow_unsigned, /* complain_on_overflow */ | |
416 | sh_elf_ignore_reloc, /* special_function */ | |
417 | "R_SH_LABEL", /* name */ | |
418 | false, /* partial_inplace */ | |
419 | 0, /* src_mask */ | |
420 | 0, /* dst_mask */ | |
421 | true), /* pcrel_offset */ | |
422 | ||
423 | /* An 8 bit switch table entry. This is generated for an expression | |
424 | such as ``.word L1 - L2''. The offset holds the difference | |
425 | between the reloc address and L2. */ | |
426 | HOWTO (R_SH_SWITCH8, /* type */ | |
427 | 0, /* rightshift */ | |
428 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
429 | 8, /* bitsize */ | |
430 | false, /* pc_relative */ | |
431 | 0, /* bitpos */ | |
432 | complain_overflow_unsigned, /* complain_on_overflow */ | |
433 | sh_elf_ignore_reloc, /* special_function */ | |
434 | "R_SH_SWITCH8", /* name */ | |
435 | false, /* partial_inplace */ | |
436 | 0, /* src_mask */ | |
437 | 0, /* dst_mask */ | |
438 | true), /* pcrel_offset */ | |
439 | ||
440 | /* GNU extension to record C++ vtable hierarchy */ | |
441 | HOWTO (R_SH_GNU_VTINHERIT, /* type */ | |
067653c5 AM |
442 | 0, /* rightshift */ |
443 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
444 | 0, /* bitsize */ | |
445 | false, /* pc_relative */ | |
446 | 0, /* bitpos */ | |
447 | complain_overflow_dont, /* complain_on_overflow */ | |
448 | NULL, /* special_function */ | |
449 | "R_SH_GNU_VTINHERIT", /* name */ | |
450 | false, /* partial_inplace */ | |
451 | 0, /* src_mask */ | |
452 | 0, /* dst_mask */ | |
453 | false), /* pcrel_offset */ | |
252b5132 RH |
454 | |
455 | /* GNU extension to record C++ vtable member usage */ | |
456 | HOWTO (R_SH_GNU_VTENTRY, /* type */ | |
067653c5 AM |
457 | 0, /* rightshift */ |
458 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
459 | 0, /* bitsize */ | |
460 | false, /* pc_relative */ | |
461 | 0, /* bitpos */ | |
462 | complain_overflow_dont, /* complain_on_overflow */ | |
463 | _bfd_elf_rel_vtable_reloc_fn, /* special_function */ | |
464 | "R_SH_GNU_VTENTRY", /* name */ | |
465 | false, /* partial_inplace */ | |
466 | 0, /* src_mask */ | |
467 | 0, /* dst_mask */ | |
468 | false), /* pcrel_offset */ | |
252b5132 | 469 | |
015551fc JR |
470 | /* 8 bit PC relative divided by 2 - but specified in a very odd way. */ |
471 | HOWTO (R_SH_LOOP_START, /* type */ | |
472 | 1, /* rightshift */ | |
473 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
474 | 8, /* bitsize */ | |
475 | false, /* pc_relative */ | |
476 | 0, /* bitpos */ | |
477 | complain_overflow_signed, /* complain_on_overflow */ | |
478 | sh_elf_ignore_reloc, /* special_function */ | |
479 | "R_SH_LOOP_START", /* name */ | |
480 | true, /* partial_inplace */ | |
481 | 0xff, /* src_mask */ | |
482 | 0xff, /* dst_mask */ | |
483 | true), /* pcrel_offset */ | |
484 | ||
485 | /* 8 bit PC relative divided by 2 - but specified in a very odd way. */ | |
486 | HOWTO (R_SH_LOOP_END, /* type */ | |
487 | 1, /* rightshift */ | |
488 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
489 | 8, /* bitsize */ | |
490 | false, /* pc_relative */ | |
491 | 0, /* bitpos */ | |
492 | complain_overflow_signed, /* complain_on_overflow */ | |
493 | sh_elf_ignore_reloc, /* special_function */ | |
494 | "R_SH_LOOP_END", /* name */ | |
495 | true, /* partial_inplace */ | |
496 | 0xff, /* src_mask */ | |
497 | 0xff, /* dst_mask */ | |
498 | true), /* pcrel_offset */ | |
499 | ||
06bb75c1 AO |
500 | EMPTY_HOWTO (38), |
501 | EMPTY_HOWTO (39), | |
502 | EMPTY_HOWTO (40), | |
503 | EMPTY_HOWTO (41), | |
504 | EMPTY_HOWTO (42), | |
505 | EMPTY_HOWTO (43), | |
506 | EMPTY_HOWTO (44), | |
fbca6ad9 AO |
507 | |
508 | #ifdef INCLUDE_SHMEDIA | |
509 | /* Used in SHLLI.L and SHLRI.L. */ | |
510 | HOWTO (R_SH_DIR5U, /* type */ | |
511 | 0, /* rightshift */ | |
512 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
513 | 5, /* bitsize */ | |
514 | false, /* pc_relative */ | |
515 | 10, /* bitpos */ | |
516 | complain_overflow_unsigned, /* complain_on_overflow */ | |
517 | bfd_elf_generic_reloc, /* special_function */ | |
518 | "R_SH_DIR5U", /* name */ | |
519 | false, /* partial_inplace */ | |
520 | 0, /* src_mask */ | |
521 | 0xfc00, /* dst_mask */ | |
067653c5 | 522 | false), /* pcrel_offset */ |
fbca6ad9 AO |
523 | |
524 | /* Used in SHARI, SHLLI et al. */ | |
525 | HOWTO (R_SH_DIR6U, /* type */ | |
526 | 0, /* rightshift */ | |
527 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
528 | 6, /* bitsize */ | |
529 | false, /* pc_relative */ | |
530 | 10, /* bitpos */ | |
531 | complain_overflow_unsigned, /* complain_on_overflow */ | |
532 | bfd_elf_generic_reloc, /* special_function */ | |
533 | "R_SH_DIR6U", /* name */ | |
534 | false, /* partial_inplace */ | |
535 | 0, /* src_mask */ | |
536 | 0xfc00, /* dst_mask */ | |
067653c5 | 537 | false), /* pcrel_offset */ |
fbca6ad9 AO |
538 | |
539 | /* Used in BxxI, LDHI.L et al. */ | |
540 | HOWTO (R_SH_DIR6S, /* type */ | |
541 | 0, /* rightshift */ | |
542 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
543 | 6, /* bitsize */ | |
544 | false, /* pc_relative */ | |
545 | 10, /* bitpos */ | |
546 | complain_overflow_signed, /* complain_on_overflow */ | |
547 | bfd_elf_generic_reloc, /* special_function */ | |
548 | "R_SH_DIR6S", /* name */ | |
549 | false, /* partial_inplace */ | |
550 | 0, /* src_mask */ | |
551 | 0xfc00, /* dst_mask */ | |
067653c5 | 552 | false), /* pcrel_offset */ |
fbca6ad9 AO |
553 | |
554 | /* Used in ADDI, ANDI et al. */ | |
555 | HOWTO (R_SH_DIR10S, /* type */ | |
556 | 0, /* rightshift */ | |
557 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
558 | 10, /* bitsize */ | |
559 | false, /* pc_relative */ | |
560 | 10, /* bitpos */ | |
561 | complain_overflow_signed, /* complain_on_overflow */ | |
562 | bfd_elf_generic_reloc, /* special_function */ | |
563 | "R_SH_DIR10S", /* name */ | |
564 | false, /* partial_inplace */ | |
565 | 0, /* src_mask */ | |
566 | 0xffc00, /* dst_mask */ | |
067653c5 | 567 | false), /* pcrel_offset */ |
fbca6ad9 | 568 | |
067653c5 | 569 | /* Used in LD.UW, ST.W et al. */ |
fbca6ad9 AO |
570 | HOWTO (R_SH_DIR10SW, /* type */ |
571 | 1, /* rightshift */ | |
572 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
573 | 11, /* bitsize */ | |
574 | false, /* pc_relative */ | |
575 | 10, /* bitpos */ | |
576 | complain_overflow_signed, /* complain_on_overflow */ | |
577 | bfd_elf_generic_reloc, /* special_function */ | |
578 | "R_SH_DIR10SW", /* name */ | |
579 | false, /* partial_inplace */ | |
580 | 0, /* src_mask */ | |
581 | 0xffc00, /* dst_mask */ | |
067653c5 | 582 | false), /* pcrel_offset */ |
fbca6ad9 | 583 | |
067653c5 | 584 | /* Used in LD.L, FLD.S et al. */ |
fbca6ad9 AO |
585 | HOWTO (R_SH_DIR10SL, /* type */ |
586 | 2, /* rightshift */ | |
587 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
588 | 12, /* bitsize */ | |
589 | false, /* pc_relative */ | |
590 | 10, /* bitpos */ | |
591 | complain_overflow_signed, /* complain_on_overflow */ | |
592 | bfd_elf_generic_reloc, /* special_function */ | |
593 | "R_SH_DIR10SL", /* name */ | |
594 | false, /* partial_inplace */ | |
595 | 0, /* src_mask */ | |
596 | 0xffc00, /* dst_mask */ | |
067653c5 | 597 | false), /* pcrel_offset */ |
fbca6ad9 AO |
598 | |
599 | /* Used in FLD.D, FST.P et al. */ | |
600 | HOWTO (R_SH_DIR10SQ, /* type */ | |
601 | 3, /* rightshift */ | |
602 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
603 | 13, /* bitsize */ | |
604 | false, /* pc_relative */ | |
605 | 10, /* bitpos */ | |
606 | complain_overflow_signed, /* complain_on_overflow */ | |
607 | bfd_elf_generic_reloc, /* special_function */ | |
608 | "R_SH_DIR10SQ", /* name */ | |
609 | false, /* partial_inplace */ | |
610 | 0, /* src_mask */ | |
611 | 0xffc00, /* dst_mask */ | |
067653c5 | 612 | false), /* pcrel_offset */ |
fbca6ad9 AO |
613 | |
614 | #else | |
06bb75c1 AO |
615 | EMPTY_HOWTO (45), |
616 | EMPTY_HOWTO (46), | |
617 | EMPTY_HOWTO (47), | |
618 | EMPTY_HOWTO (48), | |
619 | EMPTY_HOWTO (49), | |
620 | EMPTY_HOWTO (50), | |
621 | EMPTY_HOWTO (51), | |
fbca6ad9 AO |
622 | #endif |
623 | ||
06bb75c1 AO |
624 | EMPTY_HOWTO (52), |
625 | EMPTY_HOWTO (53), | |
626 | EMPTY_HOWTO (54), | |
627 | EMPTY_HOWTO (55), | |
628 | EMPTY_HOWTO (56), | |
629 | EMPTY_HOWTO (57), | |
630 | EMPTY_HOWTO (58), | |
631 | EMPTY_HOWTO (59), | |
632 | EMPTY_HOWTO (60), | |
633 | EMPTY_HOWTO (61), | |
634 | EMPTY_HOWTO (62), | |
635 | EMPTY_HOWTO (63), | |
636 | EMPTY_HOWTO (64), | |
637 | EMPTY_HOWTO (65), | |
638 | EMPTY_HOWTO (66), | |
639 | EMPTY_HOWTO (67), | |
640 | EMPTY_HOWTO (68), | |
641 | EMPTY_HOWTO (69), | |
642 | EMPTY_HOWTO (70), | |
643 | EMPTY_HOWTO (71), | |
644 | EMPTY_HOWTO (72), | |
645 | EMPTY_HOWTO (73), | |
646 | EMPTY_HOWTO (74), | |
647 | EMPTY_HOWTO (75), | |
648 | EMPTY_HOWTO (76), | |
649 | EMPTY_HOWTO (77), | |
650 | EMPTY_HOWTO (78), | |
651 | EMPTY_HOWTO (79), | |
652 | EMPTY_HOWTO (80), | |
653 | EMPTY_HOWTO (81), | |
654 | EMPTY_HOWTO (82), | |
655 | EMPTY_HOWTO (83), | |
656 | EMPTY_HOWTO (84), | |
657 | EMPTY_HOWTO (85), | |
658 | EMPTY_HOWTO (86), | |
659 | EMPTY_HOWTO (87), | |
660 | EMPTY_HOWTO (88), | |
661 | EMPTY_HOWTO (89), | |
662 | EMPTY_HOWTO (90), | |
663 | EMPTY_HOWTO (91), | |
664 | EMPTY_HOWTO (92), | |
665 | EMPTY_HOWTO (93), | |
666 | EMPTY_HOWTO (94), | |
667 | EMPTY_HOWTO (95), | |
668 | EMPTY_HOWTO (96), | |
669 | EMPTY_HOWTO (97), | |
670 | EMPTY_HOWTO (98), | |
671 | EMPTY_HOWTO (99), | |
672 | EMPTY_HOWTO (100), | |
673 | EMPTY_HOWTO (101), | |
674 | EMPTY_HOWTO (102), | |
675 | EMPTY_HOWTO (103), | |
676 | EMPTY_HOWTO (104), | |
677 | EMPTY_HOWTO (105), | |
678 | EMPTY_HOWTO (106), | |
679 | EMPTY_HOWTO (107), | |
680 | EMPTY_HOWTO (108), | |
681 | EMPTY_HOWTO (109), | |
682 | EMPTY_HOWTO (110), | |
683 | EMPTY_HOWTO (111), | |
684 | EMPTY_HOWTO (112), | |
685 | EMPTY_HOWTO (113), | |
686 | EMPTY_HOWTO (114), | |
687 | EMPTY_HOWTO (115), | |
688 | EMPTY_HOWTO (116), | |
689 | EMPTY_HOWTO (117), | |
690 | EMPTY_HOWTO (118), | |
691 | EMPTY_HOWTO (119), | |
692 | EMPTY_HOWTO (120), | |
693 | EMPTY_HOWTO (121), | |
694 | EMPTY_HOWTO (122), | |
695 | EMPTY_HOWTO (123), | |
696 | EMPTY_HOWTO (124), | |
697 | EMPTY_HOWTO (125), | |
698 | EMPTY_HOWTO (126), | |
699 | EMPTY_HOWTO (127), | |
700 | EMPTY_HOWTO (128), | |
701 | EMPTY_HOWTO (129), | |
702 | EMPTY_HOWTO (130), | |
703 | EMPTY_HOWTO (131), | |
704 | EMPTY_HOWTO (132), | |
705 | EMPTY_HOWTO (133), | |
706 | EMPTY_HOWTO (134), | |
707 | EMPTY_HOWTO (135), | |
708 | EMPTY_HOWTO (136), | |
709 | EMPTY_HOWTO (137), | |
710 | EMPTY_HOWTO (138), | |
711 | EMPTY_HOWTO (139), | |
712 | EMPTY_HOWTO (140), | |
713 | EMPTY_HOWTO (141), | |
714 | EMPTY_HOWTO (142), | |
715 | EMPTY_HOWTO (143), | |
716 | EMPTY_HOWTO (144), | |
717 | EMPTY_HOWTO (145), | |
718 | EMPTY_HOWTO (146), | |
719 | EMPTY_HOWTO (147), | |
720 | EMPTY_HOWTO (148), | |
721 | EMPTY_HOWTO (149), | |
722 | EMPTY_HOWTO (150), | |
723 | EMPTY_HOWTO (151), | |
724 | EMPTY_HOWTO (152), | |
725 | EMPTY_HOWTO (153), | |
726 | EMPTY_HOWTO (154), | |
727 | EMPTY_HOWTO (155), | |
728 | EMPTY_HOWTO (156), | |
729 | EMPTY_HOWTO (157), | |
730 | EMPTY_HOWTO (158), | |
731 | EMPTY_HOWTO (159), | |
732 | ||
733 | HOWTO (R_SH_GOT32, /* type */ | |
734 | 0, /* rightshift */ | |
735 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
736 | 32, /* bitsize */ | |
737 | false, /* pc_relative */ | |
738 | 0, /* bitpos */ | |
739 | complain_overflow_bitfield, /* complain_on_overflow */ | |
740 | bfd_elf_generic_reloc, /* */ | |
741 | "R_SH_GOT32", /* name */ | |
742 | true, /* partial_inplace */ | |
743 | 0xffffffff, /* src_mask */ | |
744 | 0xffffffff, /* dst_mask */ | |
745 | false), /* pcrel_offset */ | |
746 | ||
747 | HOWTO (R_SH_PLT32, /* type */ | |
748 | 0, /* rightshift */ | |
749 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
750 | 32, /* bitsize */ | |
751 | true, /* pc_relative */ | |
752 | 0, /* bitpos */ | |
753 | complain_overflow_bitfield, /* complain_on_overflow */ | |
754 | bfd_elf_generic_reloc, /* */ | |
755 | "R_SH_PLT32", /* name */ | |
756 | true, /* partial_inplace */ | |
757 | 0xffffffff, /* src_mask */ | |
758 | 0xffffffff, /* dst_mask */ | |
759 | true), /* pcrel_offset */ | |
760 | ||
761 | HOWTO (R_SH_COPY, /* type */ | |
762 | 0, /* rightshift */ | |
763 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
764 | 32, /* bitsize */ | |
765 | false, /* pc_relative */ | |
766 | 0, /* bitpos */ | |
767 | complain_overflow_bitfield, /* complain_on_overflow */ | |
768 | bfd_elf_generic_reloc, /* */ | |
769 | "R_SH_COPY", /* name */ | |
770 | true, /* partial_inplace */ | |
771 | 0xffffffff, /* src_mask */ | |
772 | 0xffffffff, /* dst_mask */ | |
773 | false), /* pcrel_offset */ | |
774 | ||
775 | HOWTO (R_SH_GLOB_DAT, /* type */ | |
776 | 0, /* rightshift */ | |
777 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
778 | 32, /* bitsize */ | |
779 | false, /* pc_relative */ | |
780 | 0, /* bitpos */ | |
781 | complain_overflow_bitfield, /* complain_on_overflow */ | |
782 | bfd_elf_generic_reloc, /* */ | |
783 | "R_SH_GLOB_DAT", /* name */ | |
784 | true, /* partial_inplace */ | |
785 | 0xffffffff, /* src_mask */ | |
786 | 0xffffffff, /* dst_mask */ | |
787 | false), /* pcrel_offset */ | |
788 | ||
789 | HOWTO (R_SH_JMP_SLOT, /* type */ | |
790 | 0, /* rightshift */ | |
791 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
792 | 32, /* bitsize */ | |
793 | false, /* pc_relative */ | |
794 | 0, /* bitpos */ | |
795 | complain_overflow_bitfield, /* complain_on_overflow */ | |
796 | bfd_elf_generic_reloc, /* */ | |
797 | "R_SH_JMP_SLOT", /* name */ | |
798 | true, /* partial_inplace */ | |
799 | 0xffffffff, /* src_mask */ | |
800 | 0xffffffff, /* dst_mask */ | |
801 | false), /* pcrel_offset */ | |
802 | ||
803 | HOWTO (R_SH_RELATIVE, /* type */ | |
804 | 0, /* rightshift */ | |
805 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
806 | 32, /* bitsize */ | |
807 | false, /* pc_relative */ | |
808 | 0, /* bitpos */ | |
809 | complain_overflow_bitfield, /* complain_on_overflow */ | |
810 | bfd_elf_generic_reloc, /* */ | |
811 | "R_SH_RELATIVE", /* name */ | |
812 | true, /* partial_inplace */ | |
813 | 0xffffffff, /* src_mask */ | |
814 | 0xffffffff, /* dst_mask */ | |
815 | false), /* pcrel_offset */ | |
816 | ||
817 | HOWTO (R_SH_GOTOFF, /* type */ | |
818 | 0, /* rightshift */ | |
819 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
820 | 32, /* bitsize */ | |
821 | false, /* pc_relative */ | |
822 | 0, /* bitpos */ | |
823 | complain_overflow_bitfield, /* complain_on_overflow */ | |
824 | bfd_elf_generic_reloc, /* */ | |
825 | "R_SH_GOTOFF", /* name */ | |
826 | true, /* partial_inplace */ | |
827 | 0xffffffff, /* src_mask */ | |
828 | 0xffffffff, /* dst_mask */ | |
829 | false), /* pcrel_offset */ | |
830 | ||
831 | HOWTO (R_SH_GOTPC, /* type */ | |
832 | 0, /* rightshift */ | |
833 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
834 | 32, /* bitsize */ | |
835 | true, /* pc_relative */ | |
836 | 0, /* bitpos */ | |
837 | complain_overflow_bitfield, /* complain_on_overflow */ | |
838 | bfd_elf_generic_reloc, /* */ | |
839 | "R_SH_GOTPC", /* name */ | |
840 | true, /* partial_inplace */ | |
841 | 0xffffffff, /* src_mask */ | |
842 | 0xffffffff, /* dst_mask */ | |
843 | true), /* pcrel_offset */ | |
844 | ||
fbca6ad9 AO |
845 | HOWTO (R_SH_GOTPLT32, /* type */ |
846 | 0, /* rightshift */ | |
847 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
848 | 32, /* bitsize */ | |
849 | false, /* pc_relative */ | |
850 | 0, /* bitpos */ | |
851 | complain_overflow_bitfield, /* complain_on_overflow */ | |
852 | bfd_elf_generic_reloc, /* */ | |
853 | "R_SH_GOTPLT32", /* name */ | |
854 | false, /* partial_inplace */ | |
855 | 0xffffffff, /* src_mask */ | |
856 | 0xffffffff, /* dst_mask */ | |
857 | false), /* pcrel_offset */ | |
858 | ||
859 | #ifdef INCLUDE_SHMEDIA | |
860 | /* Used in MOVI and SHORI (x & 65536). */ | |
861 | HOWTO (R_SH_GOT_LOW16, /* type */ | |
862 | 0, /* rightshift */ | |
863 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
864 | 64, /* bitsize */ | |
865 | false, /* pc_relative */ | |
866 | 10, /* bitpos */ | |
867 | complain_overflow_dont, /* complain_on_overflow */ | |
868 | bfd_elf_generic_reloc, /* special_function */ | |
067653c5 | 869 | "R_SH_GOT_LOW16", /* name */ |
fbca6ad9 AO |
870 | false, /* partial_inplace */ |
871 | 0, /* src_mask */ | |
872 | 0x3fffc00, /* dst_mask */ | |
067653c5 | 873 | false), /* pcrel_offset */ |
fbca6ad9 AO |
874 | |
875 | /* Used in MOVI and SHORI ((x >> 16) & 65536). */ | |
876 | HOWTO (R_SH_GOT_MEDLOW16, /* type */ | |
877 | 16, /* rightshift */ | |
878 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
879 | 64, /* bitsize */ | |
880 | false, /* pc_relative */ | |
881 | 10, /* bitpos */ | |
882 | complain_overflow_dont, /* complain_on_overflow */ | |
883 | bfd_elf_generic_reloc, /* special_function */ | |
884 | "R_SH_GOT_MEDLOW16", /* name */ | |
885 | false, /* partial_inplace */ | |
886 | 0, /* src_mask */ | |
887 | 0x3fffc00, /* dst_mask */ | |
067653c5 | 888 | false), /* pcrel_offset */ |
fbca6ad9 AO |
889 | |
890 | /* Used in MOVI and SHORI ((x >> 32) & 65536). */ | |
891 | HOWTO (R_SH_GOT_MEDHI16, /* type */ | |
892 | 32, /* rightshift */ | |
893 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
894 | 64, /* bitsize */ | |
895 | false, /* pc_relative */ | |
896 | 10, /* bitpos */ | |
897 | complain_overflow_dont, /* complain_on_overflow */ | |
898 | bfd_elf_generic_reloc, /* special_function */ | |
899 | "R_SH_GOT_MEDHI16", /* name */ | |
900 | false, /* partial_inplace */ | |
901 | 0, /* src_mask */ | |
902 | 0x3fffc00, /* dst_mask */ | |
067653c5 | 903 | false), /* pcrel_offset */ |
fbca6ad9 AO |
904 | |
905 | /* Used in MOVI and SHORI ((x >> 48) & 65536). */ | |
906 | HOWTO (R_SH_GOT_HI16, /* type */ | |
907 | 48, /* rightshift */ | |
908 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
909 | 64, /* bitsize */ | |
910 | false, /* pc_relative */ | |
911 | 10, /* bitpos */ | |
912 | complain_overflow_dont, /* complain_on_overflow */ | |
913 | bfd_elf_generic_reloc, /* special_function */ | |
914 | "R_SH_GOT_HI16", /* name */ | |
915 | false, /* partial_inplace */ | |
916 | 0, /* src_mask */ | |
917 | 0x3fffc00, /* dst_mask */ | |
067653c5 | 918 | false), /* pcrel_offset */ |
fbca6ad9 AO |
919 | |
920 | /* Used in MOVI and SHORI (x & 65536). */ | |
921 | HOWTO (R_SH_GOTPLT_LOW16, /* type */ | |
922 | 0, /* rightshift */ | |
923 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
924 | 64, /* bitsize */ | |
925 | false, /* pc_relative */ | |
926 | 10, /* bitpos */ | |
927 | complain_overflow_dont, /* complain_on_overflow */ | |
928 | bfd_elf_generic_reloc, /* special_function */ | |
067653c5 | 929 | "R_SH_GOTPLT_LOW16", /* name */ |
fbca6ad9 AO |
930 | false, /* partial_inplace */ |
931 | 0, /* src_mask */ | |
932 | 0x3fffc00, /* dst_mask */ | |
067653c5 | 933 | false), /* pcrel_offset */ |
fbca6ad9 AO |
934 | |
935 | /* Used in MOVI and SHORI ((x >> 16) & 65536). */ | |
936 | HOWTO (R_SH_GOTPLT_MEDLOW16, /* type */ | |
937 | 16, /* rightshift */ | |
938 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
939 | 64, /* bitsize */ | |
940 | false, /* pc_relative */ | |
941 | 10, /* bitpos */ | |
942 | complain_overflow_dont, /* complain_on_overflow */ | |
943 | bfd_elf_generic_reloc, /* special_function */ | |
944 | "R_SH_GOTPLT_MEDLOW16", /* name */ | |
945 | false, /* partial_inplace */ | |
946 | 0, /* src_mask */ | |
947 | 0x3fffc00, /* dst_mask */ | |
067653c5 | 948 | false), /* pcrel_offset */ |
fbca6ad9 AO |
949 | |
950 | /* Used in MOVI and SHORI ((x >> 32) & 65536). */ | |
951 | HOWTO (R_SH_GOTPLT_MEDHI16, /* type */ | |
952 | 32, /* rightshift */ | |
953 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
954 | 64, /* bitsize */ | |
955 | false, /* pc_relative */ | |
956 | 10, /* bitpos */ | |
957 | complain_overflow_dont, /* complain_on_overflow */ | |
958 | bfd_elf_generic_reloc, /* special_function */ | |
959 | "R_SH_GOTPLT_MEDHI16", /* name */ | |
960 | false, /* partial_inplace */ | |
961 | 0, /* src_mask */ | |
962 | 0x3fffc00, /* dst_mask */ | |
067653c5 | 963 | false), /* pcrel_offset */ |
fbca6ad9 AO |
964 | |
965 | /* Used in MOVI and SHORI ((x >> 48) & 65536). */ | |
966 | HOWTO (R_SH_GOTPLT_HI16, /* type */ | |
967 | 48, /* rightshift */ | |
968 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
969 | 64, /* bitsize */ | |
970 | false, /* pc_relative */ | |
971 | 10, /* bitpos */ | |
972 | complain_overflow_dont, /* complain_on_overflow */ | |
973 | bfd_elf_generic_reloc, /* special_function */ | |
974 | "R_SH_GOTPLT_HI16", /* name */ | |
975 | false, /* partial_inplace */ | |
976 | 0, /* src_mask */ | |
977 | 0x3fffc00, /* dst_mask */ | |
067653c5 | 978 | false), /* pcrel_offset */ |
fbca6ad9 AO |
979 | |
980 | /* Used in MOVI and SHORI (x & 65536). */ | |
981 | HOWTO (R_SH_PLT_LOW16, /* type */ | |
982 | 0, /* rightshift */ | |
983 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
984 | 64, /* bitsize */ | |
985 | true, /* pc_relative */ | |
986 | 10, /* bitpos */ | |
987 | complain_overflow_dont, /* complain_on_overflow */ | |
988 | bfd_elf_generic_reloc, /* special_function */ | |
067653c5 | 989 | "R_SH_PLT_LOW16", /* name */ |
fbca6ad9 AO |
990 | false, /* partial_inplace */ |
991 | 0, /* src_mask */ | |
992 | 0x3fffc00, /* dst_mask */ | |
067653c5 | 993 | true), /* pcrel_offset */ |
fbca6ad9 AO |
994 | |
995 | /* Used in MOVI and SHORI ((x >> 16) & 65536). */ | |
996 | HOWTO (R_SH_PLT_MEDLOW16, /* type */ | |
997 | 16, /* rightshift */ | |
998 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
999 | 64, /* bitsize */ | |
1000 | true, /* pc_relative */ | |
1001 | 10, /* bitpos */ | |
1002 | complain_overflow_dont, /* complain_on_overflow */ | |
1003 | bfd_elf_generic_reloc, /* special_function */ | |
1004 | "R_SH_PLT_MEDLOW16", /* name */ | |
1005 | false, /* partial_inplace */ | |
1006 | 0, /* src_mask */ | |
1007 | 0x3fffc00, /* dst_mask */ | |
067653c5 | 1008 | true), /* pcrel_offset */ |
fbca6ad9 AO |
1009 | |
1010 | /* Used in MOVI and SHORI ((x >> 32) & 65536). */ | |
1011 | HOWTO (R_SH_PLT_MEDHI16, /* type */ | |
1012 | 32, /* rightshift */ | |
1013 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1014 | 64, /* bitsize */ | |
1015 | true, /* pc_relative */ | |
1016 | 10, /* bitpos */ | |
1017 | complain_overflow_dont, /* complain_on_overflow */ | |
1018 | bfd_elf_generic_reloc, /* special_function */ | |
1019 | "R_SH_PLT_MEDHI16", /* name */ | |
1020 | false, /* partial_inplace */ | |
1021 | 0, /* src_mask */ | |
1022 | 0x3fffc00, /* dst_mask */ | |
067653c5 | 1023 | true), /* pcrel_offset */ |
fbca6ad9 AO |
1024 | |
1025 | /* Used in MOVI and SHORI ((x >> 48) & 65536). */ | |
1026 | HOWTO (R_SH_PLT_HI16, /* type */ | |
1027 | 48, /* rightshift */ | |
1028 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1029 | 64, /* bitsize */ | |
1030 | true, /* pc_relative */ | |
1031 | 10, /* bitpos */ | |
1032 | complain_overflow_dont, /* complain_on_overflow */ | |
1033 | bfd_elf_generic_reloc, /* special_function */ | |
1034 | "R_SH_PLT_HI16", /* name */ | |
1035 | false, /* partial_inplace */ | |
1036 | 0, /* src_mask */ | |
1037 | 0x3fffc00, /* dst_mask */ | |
067653c5 | 1038 | true), /* pcrel_offset */ |
fbca6ad9 AO |
1039 | |
1040 | /* Used in MOVI and SHORI (x & 65536). */ | |
1041 | HOWTO (R_SH_GOTOFF_LOW16, /* type */ | |
1042 | 0, /* rightshift */ | |
1043 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1044 | 64, /* bitsize */ | |
1045 | false, /* pc_relative */ | |
1046 | 10, /* bitpos */ | |
1047 | complain_overflow_dont, /* complain_on_overflow */ | |
1048 | bfd_elf_generic_reloc, /* special_function */ | |
067653c5 | 1049 | "R_SH_GOTOFF_LOW16", /* name */ |
fbca6ad9 AO |
1050 | false, /* partial_inplace */ |
1051 | 0, /* src_mask */ | |
1052 | 0x3fffc00, /* dst_mask */ | |
067653c5 | 1053 | false), /* pcrel_offset */ |
fbca6ad9 AO |
1054 | |
1055 | /* Used in MOVI and SHORI ((x >> 16) & 65536). */ | |
1056 | HOWTO (R_SH_GOTOFF_MEDLOW16, /* type */ | |
1057 | 16, /* rightshift */ | |
1058 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1059 | 64, /* bitsize */ | |
1060 | false, /* pc_relative */ | |
1061 | 10, /* bitpos */ | |
1062 | complain_overflow_dont, /* complain_on_overflow */ | |
1063 | bfd_elf_generic_reloc, /* special_function */ | |
1064 | "R_SH_GOTOFF_MEDLOW16", /* name */ | |
1065 | false, /* partial_inplace */ | |
1066 | 0, /* src_mask */ | |
1067 | 0x3fffc00, /* dst_mask */ | |
067653c5 | 1068 | false), /* pcrel_offset */ |
fbca6ad9 AO |
1069 | |
1070 | /* Used in MOVI and SHORI ((x >> 32) & 65536). */ | |
1071 | HOWTO (R_SH_GOTOFF_MEDHI16, /* type */ | |
1072 | 32, /* rightshift */ | |
1073 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1074 | 64, /* bitsize */ | |
1075 | false, /* pc_relative */ | |
1076 | 10, /* bitpos */ | |
1077 | complain_overflow_dont, /* complain_on_overflow */ | |
1078 | bfd_elf_generic_reloc, /* special_function */ | |
1079 | "R_SH_GOTOFF_MEDHI16", /* name */ | |
1080 | false, /* partial_inplace */ | |
1081 | 0, /* src_mask */ | |
1082 | 0x3fffc00, /* dst_mask */ | |
067653c5 | 1083 | false), /* pcrel_offset */ |
fbca6ad9 AO |
1084 | |
1085 | /* Used in MOVI and SHORI ((x >> 48) & 65536). */ | |
1086 | HOWTO (R_SH_GOTOFF_HI16, /* type */ | |
1087 | 48, /* rightshift */ | |
1088 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1089 | 64, /* bitsize */ | |
1090 | false, /* pc_relative */ | |
1091 | 10, /* bitpos */ | |
1092 | complain_overflow_dont, /* complain_on_overflow */ | |
1093 | bfd_elf_generic_reloc, /* special_function */ | |
1094 | "R_SH_GOTOFF_HI16", /* name */ | |
1095 | false, /* partial_inplace */ | |
1096 | 0, /* src_mask */ | |
1097 | 0x3fffc00, /* dst_mask */ | |
067653c5 | 1098 | false), /* pcrel_offset */ |
fbca6ad9 AO |
1099 | |
1100 | /* Used in MOVI and SHORI (x & 65536). */ | |
1101 | HOWTO (R_SH_GOTPC_LOW16, /* type */ | |
1102 | 0, /* rightshift */ | |
1103 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1104 | 64, /* bitsize */ | |
1105 | true, /* pc_relative */ | |
1106 | 10, /* bitpos */ | |
1107 | complain_overflow_dont, /* complain_on_overflow */ | |
1108 | bfd_elf_generic_reloc, /* special_function */ | |
067653c5 | 1109 | "R_SH_GOTPC_LOW16", /* name */ |
fbca6ad9 AO |
1110 | false, /* partial_inplace */ |
1111 | 0, /* src_mask */ | |
1112 | 0x3fffc00, /* dst_mask */ | |
067653c5 | 1113 | true), /* pcrel_offset */ |
fbca6ad9 AO |
1114 | |
1115 | /* Used in MOVI and SHORI ((x >> 16) & 65536). */ | |
1116 | HOWTO (R_SH_GOTPC_MEDLOW16, /* type */ | |
1117 | 16, /* rightshift */ | |
1118 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1119 | 64, /* bitsize */ | |
1120 | true, /* pc_relative */ | |
1121 | 10, /* bitpos */ | |
1122 | complain_overflow_dont, /* complain_on_overflow */ | |
1123 | bfd_elf_generic_reloc, /* special_function */ | |
1124 | "R_SH_GOTPC_MEDLOW16", /* name */ | |
1125 | false, /* partial_inplace */ | |
1126 | 0, /* src_mask */ | |
1127 | 0x3fffc00, /* dst_mask */ | |
067653c5 | 1128 | true), /* pcrel_offset */ |
fbca6ad9 AO |
1129 | |
1130 | /* Used in MOVI and SHORI ((x >> 32) & 65536). */ | |
1131 | HOWTO (R_SH_GOTPC_MEDHI16, /* type */ | |
1132 | 32, /* rightshift */ | |
1133 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1134 | 64, /* bitsize */ | |
1135 | true, /* pc_relative */ | |
1136 | 10, /* bitpos */ | |
1137 | complain_overflow_dont, /* complain_on_overflow */ | |
1138 | bfd_elf_generic_reloc, /* special_function */ | |
1139 | "R_SH_GOTPC_MEDHI16", /* name */ | |
1140 | false, /* partial_inplace */ | |
1141 | 0, /* src_mask */ | |
1142 | 0x3fffc00, /* dst_mask */ | |
067653c5 | 1143 | true), /* pcrel_offset */ |
fbca6ad9 AO |
1144 | |
1145 | /* Used in MOVI and SHORI ((x >> 48) & 65536). */ | |
1146 | HOWTO (R_SH_GOTPC_HI16, /* type */ | |
1147 | 48, /* rightshift */ | |
1148 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1149 | 64, /* bitsize */ | |
1150 | true, /* pc_relative */ | |
1151 | 10, /* bitpos */ | |
1152 | complain_overflow_dont, /* complain_on_overflow */ | |
1153 | bfd_elf_generic_reloc, /* special_function */ | |
1154 | "R_SH_GOTPC_HI16", /* name */ | |
1155 | false, /* partial_inplace */ | |
1156 | 0, /* src_mask */ | |
1157 | 0x3fffc00, /* dst_mask */ | |
067653c5 | 1158 | true), /* pcrel_offset */ |
fbca6ad9 | 1159 | |
067653c5 | 1160 | /* Used in LD.L, FLD.S et al. */ |
fbca6ad9 AO |
1161 | HOWTO (R_SH_GOT10BY4, /* type */ |
1162 | 2, /* rightshift */ | |
1163 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1164 | 12, /* bitsize */ | |
1165 | false, /* pc_relative */ | |
1166 | 10, /* bitpos */ | |
1167 | complain_overflow_signed, /* complain_on_overflow */ | |
1168 | bfd_elf_generic_reloc, /* special_function */ | |
1169 | "R_SH_GOT10BY4", /* name */ | |
1170 | false, /* partial_inplace */ | |
1171 | 0, /* src_mask */ | |
1172 | 0xffc00, /* dst_mask */ | |
067653c5 | 1173 | false), /* pcrel_offset */ |
fbca6ad9 | 1174 | |
067653c5 | 1175 | /* Used in LD.L, FLD.S et al. */ |
fbca6ad9 AO |
1176 | HOWTO (R_SH_GOTPLT10BY4, /* type */ |
1177 | 2, /* rightshift */ | |
1178 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1179 | 12, /* bitsize */ | |
1180 | false, /* pc_relative */ | |
1181 | 10, /* bitpos */ | |
1182 | complain_overflow_signed, /* complain_on_overflow */ | |
1183 | bfd_elf_generic_reloc, /* special_function */ | |
1184 | "R_SH_GOTPLT10BY4", /* name */ | |
1185 | false, /* partial_inplace */ | |
1186 | 0, /* src_mask */ | |
1187 | 0xffc00, /* dst_mask */ | |
067653c5 | 1188 | false), /* pcrel_offset */ |
fbca6ad9 AO |
1189 | |
1190 | /* Used in FLD.D, FST.P et al. */ | |
1191 | HOWTO (R_SH_GOT10BY8, /* type */ | |
1192 | 3, /* rightshift */ | |
1193 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1194 | 13, /* bitsize */ | |
1195 | false, /* pc_relative */ | |
1196 | 10, /* bitpos */ | |
1197 | complain_overflow_signed, /* complain_on_overflow */ | |
1198 | bfd_elf_generic_reloc, /* special_function */ | |
1199 | "R_SH_GOT10BY8", /* name */ | |
1200 | false, /* partial_inplace */ | |
1201 | 0, /* src_mask */ | |
1202 | 0xffc00, /* dst_mask */ | |
067653c5 | 1203 | false), /* pcrel_offset */ |
fbca6ad9 AO |
1204 | |
1205 | /* Used in FLD.D, FST.P et al. */ | |
1206 | HOWTO (R_SH_GOTPLT10BY8, /* type */ | |
1207 | 3, /* rightshift */ | |
1208 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1209 | 13, /* bitsize */ | |
1210 | false, /* pc_relative */ | |
1211 | 10, /* bitpos */ | |
1212 | complain_overflow_signed, /* complain_on_overflow */ | |
1213 | bfd_elf_generic_reloc, /* special_function */ | |
1214 | "R_SH_GOTPLT10BY8", /* name */ | |
1215 | false, /* partial_inplace */ | |
1216 | 0, /* src_mask */ | |
1217 | 0xffc00, /* dst_mask */ | |
067653c5 | 1218 | false), /* pcrel_offset */ |
fbca6ad9 AO |
1219 | |
1220 | HOWTO (R_SH_COPY64, /* type */ | |
1221 | 0, /* rightshift */ | |
1222 | 4, /* size (0 = byte, 1 = short, 2 = long) */ | |
1223 | 64, /* bitsize */ | |
1224 | false, /* pc_relative */ | |
1225 | 0, /* bitpos */ | |
1226 | complain_overflow_dont, /* complain_on_overflow */ | |
1227 | bfd_elf_generic_reloc, /* special_function */ | |
067653c5 | 1228 | "R_SH_COPY64", /* name */ |
fbca6ad9 AO |
1229 | false, /* partial_inplace */ |
1230 | 0, /* src_mask */ | |
1231 | ((bfd_vma) 0) - 1, /* dst_mask */ | |
067653c5 | 1232 | false), /* pcrel_offset */ |
fbca6ad9 AO |
1233 | |
1234 | HOWTO (R_SH_GLOB_DAT64, /* type */ | |
1235 | 0, /* rightshift */ | |
1236 | 4, /* size (0 = byte, 1 = short, 2 = long) */ | |
1237 | 64, /* bitsize */ | |
1238 | false, /* pc_relative */ | |
1239 | 0, /* bitpos */ | |
1240 | complain_overflow_dont, /* complain_on_overflow */ | |
1241 | bfd_elf_generic_reloc, /* special_function */ | |
067653c5 | 1242 | "R_SH_GLOB_DAT64", /* name */ |
fbca6ad9 AO |
1243 | false, /* partial_inplace */ |
1244 | 0, /* src_mask */ | |
1245 | ((bfd_vma) 0) - 1, /* dst_mask */ | |
067653c5 | 1246 | false), /* pcrel_offset */ |
fbca6ad9 AO |
1247 | |
1248 | HOWTO (R_SH_JMP_SLOT64, /* type */ | |
1249 | 0, /* rightshift */ | |
1250 | 4, /* size (0 = byte, 1 = short, 2 = long) */ | |
1251 | 64, /* bitsize */ | |
1252 | false, /* pc_relative */ | |
1253 | 0, /* bitpos */ | |
1254 | complain_overflow_dont, /* complain_on_overflow */ | |
1255 | bfd_elf_generic_reloc, /* special_function */ | |
067653c5 | 1256 | "R_SH_JMP_SLOT64", /* name */ |
fbca6ad9 AO |
1257 | false, /* partial_inplace */ |
1258 | 0, /* src_mask */ | |
1259 | ((bfd_vma) 0) - 1, /* dst_mask */ | |
067653c5 | 1260 | false), /* pcrel_offset */ |
fbca6ad9 AO |
1261 | |
1262 | HOWTO (R_SH_RELATIVE64, /* type */ | |
1263 | 0, /* rightshift */ | |
1264 | 4, /* size (0 = byte, 1 = short, 2 = long) */ | |
1265 | 64, /* bitsize */ | |
1266 | false, /* pc_relative */ | |
1267 | 0, /* bitpos */ | |
1268 | complain_overflow_dont, /* complain_on_overflow */ | |
1269 | bfd_elf_generic_reloc, /* special_function */ | |
067653c5 | 1270 | "R_SH_RELATIVE64", /* name */ |
fbca6ad9 AO |
1271 | false, /* partial_inplace */ |
1272 | 0, /* src_mask */ | |
1273 | ((bfd_vma) 0) - 1, /* dst_mask */ | |
067653c5 | 1274 | false), /* pcrel_offset */ |
fbca6ad9 AO |
1275 | |
1276 | EMPTY_HOWTO (197), | |
1277 | EMPTY_HOWTO (198), | |
1278 | EMPTY_HOWTO (199), | |
1279 | EMPTY_HOWTO (200), | |
1280 | EMPTY_HOWTO (201), | |
1281 | EMPTY_HOWTO (202), | |
1282 | EMPTY_HOWTO (203), | |
1283 | EMPTY_HOWTO (204), | |
1284 | EMPTY_HOWTO (205), | |
1285 | EMPTY_HOWTO (206), | |
1286 | EMPTY_HOWTO (207), | |
1287 | EMPTY_HOWTO (208), | |
1288 | EMPTY_HOWTO (209), | |
1289 | EMPTY_HOWTO (210), | |
1290 | EMPTY_HOWTO (211), | |
1291 | EMPTY_HOWTO (212), | |
1292 | EMPTY_HOWTO (213), | |
1293 | EMPTY_HOWTO (214), | |
1294 | EMPTY_HOWTO (215), | |
1295 | EMPTY_HOWTO (216), | |
1296 | EMPTY_HOWTO (217), | |
1297 | EMPTY_HOWTO (218), | |
1298 | EMPTY_HOWTO (219), | |
1299 | EMPTY_HOWTO (220), | |
1300 | EMPTY_HOWTO (221), | |
1301 | EMPTY_HOWTO (222), | |
1302 | EMPTY_HOWTO (223), | |
1303 | EMPTY_HOWTO (224), | |
1304 | EMPTY_HOWTO (225), | |
1305 | EMPTY_HOWTO (226), | |
1306 | EMPTY_HOWTO (227), | |
1307 | EMPTY_HOWTO (228), | |
1308 | EMPTY_HOWTO (229), | |
1309 | EMPTY_HOWTO (230), | |
1310 | EMPTY_HOWTO (231), | |
1311 | EMPTY_HOWTO (232), | |
1312 | EMPTY_HOWTO (233), | |
1313 | EMPTY_HOWTO (234), | |
1314 | EMPTY_HOWTO (235), | |
1315 | EMPTY_HOWTO (236), | |
1316 | EMPTY_HOWTO (237), | |
1317 | EMPTY_HOWTO (238), | |
1318 | EMPTY_HOWTO (239), | |
1319 | EMPTY_HOWTO (240), | |
1320 | EMPTY_HOWTO (241), | |
1321 | ||
1322 | /* Relocations for SHmedia code. None of these are partial_inplace or | |
1323 | use the field being relocated (except R_SH_PT_16). */ | |
1324 | ||
1325 | /* The assembler will generate this reloc before a block of SHmedia | |
1326 | instructions. A section should be processed as assuming it contains | |
1327 | data, unless this reloc is seen. Note that a block of SHcompact | |
1328 | instructions are instead preceded by R_SH_CODE. | |
1329 | This is currently not implemented, but should be used for SHmedia | |
1330 | linker relaxation. */ | |
1331 | HOWTO (R_SH_SHMEDIA_CODE, /* type */ | |
1332 | 0, /* rightshift */ | |
1333 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
1334 | 0, /* bitsize */ | |
1335 | false, /* pc_relative */ | |
1336 | 0, /* bitpos */ | |
1337 | complain_overflow_unsigned, /* complain_on_overflow */ | |
1338 | sh_elf_ignore_reloc, /* special_function */ | |
1339 | "R_SH_SHMEDIA_CODE", /* name */ | |
1340 | false, /* partial_inplace */ | |
1341 | 0, /* src_mask */ | |
1342 | 0, /* dst_mask */ | |
1343 | false), /* pcrel_offset */ | |
1344 | ||
1345 | /* The assembler will generate this reloc at a PTA or PTB instruction, | |
1346 | and the linker checks the right type of target, or changes a PTA to a | |
1347 | PTB, if the original insn was PT. */ | |
1348 | HOWTO (R_SH_PT_16, /* type */ | |
1349 | 2, /* rightshift */ | |
1350 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1351 | 18, /* bitsize */ | |
1352 | true, /* pc_relative */ | |
1353 | 10, /* bitpos */ | |
1354 | complain_overflow_signed, /* complain_on_overflow */ | |
1355 | bfd_elf_generic_reloc, /* special_function */ | |
1356 | "R_SH_PT_16", /* name */ | |
1357 | false, /* partial_inplace */ | |
1358 | 0, /* src_mask */ | |
1359 | 0x3fffc00, /* dst_mask */ | |
1360 | true), /* pcrel_offset */ | |
1361 | ||
1362 | /* Used in unexpanded MOVI. */ | |
1363 | HOWTO (R_SH_IMMS16, /* type */ | |
1364 | 0, /* rightshift */ | |
1365 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1366 | 16, /* bitsize */ | |
1367 | false, /* pc_relative */ | |
1368 | 10, /* bitpos */ | |
1369 | complain_overflow_signed, /* complain_on_overflow */ | |
1370 | bfd_elf_generic_reloc, /* special_function */ | |
1371 | "R_SH_IMMS16", /* name */ | |
1372 | false, /* partial_inplace */ | |
1373 | 0, /* src_mask */ | |
1374 | 0x3fffc00, /* dst_mask */ | |
067653c5 | 1375 | false), /* pcrel_offset */ |
fbca6ad9 AO |
1376 | |
1377 | /* Used in SHORI. */ | |
1378 | HOWTO (R_SH_IMMU16, /* type */ | |
1379 | 0, /* rightshift */ | |
1380 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1381 | 16, /* bitsize */ | |
1382 | false, /* pc_relative */ | |
1383 | 10, /* bitpos */ | |
1384 | complain_overflow_unsigned, /* complain_on_overflow */ | |
1385 | bfd_elf_generic_reloc, /* special_function */ | |
1386 | "R_SH_IMMU16", /* name */ | |
1387 | false, /* partial_inplace */ | |
1388 | 0, /* src_mask */ | |
1389 | 0x3fffc00, /* dst_mask */ | |
067653c5 | 1390 | false), /* pcrel_offset */ |
fbca6ad9 AO |
1391 | |
1392 | /* Used in MOVI and SHORI (x & 65536). */ | |
1393 | HOWTO (R_SH_IMM_LOW16, /* type */ | |
1394 | 0, /* rightshift */ | |
1395 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1396 | 64, /* bitsize */ | |
1397 | false, /* pc_relative */ | |
1398 | 10, /* bitpos */ | |
1399 | complain_overflow_dont, /* complain_on_overflow */ | |
1400 | bfd_elf_generic_reloc, /* special_function */ | |
067653c5 | 1401 | "R_SH_IMM_LOW16", /* name */ |
fbca6ad9 AO |
1402 | false, /* partial_inplace */ |
1403 | 0, /* src_mask */ | |
1404 | 0x3fffc00, /* dst_mask */ | |
067653c5 | 1405 | false), /* pcrel_offset */ |
fbca6ad9 AO |
1406 | |
1407 | /* Used in MOVI and SHORI ((x - $) & 65536). */ | |
1408 | HOWTO (R_SH_IMM_LOW16_PCREL, /* type */ | |
1409 | 0, /* rightshift */ | |
1410 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1411 | 64, /* bitsize */ | |
1412 | true, /* pc_relative */ | |
1413 | 10, /* bitpos */ | |
1414 | complain_overflow_dont, /* complain_on_overflow */ | |
1415 | bfd_elf_generic_reloc, /* special_function */ | |
1416 | "R_SH_IMM_LOW16_PCREL", /* name */ | |
1417 | false, /* partial_inplace */ | |
1418 | 0, /* src_mask */ | |
1419 | 0x3fffc00, /* dst_mask */ | |
1420 | true), /* pcrel_offset */ | |
1421 | ||
1422 | /* Used in MOVI and SHORI ((x >> 16) & 65536). */ | |
1423 | HOWTO (R_SH_IMM_MEDLOW16, /* type */ | |
1424 | 16, /* rightshift */ | |
1425 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1426 | 64, /* bitsize */ | |
1427 | false, /* pc_relative */ | |
1428 | 10, /* bitpos */ | |
1429 | complain_overflow_dont, /* complain_on_overflow */ | |
1430 | bfd_elf_generic_reloc, /* special_function */ | |
1431 | "R_SH_IMM_MEDLOW16", /* name */ | |
1432 | false, /* partial_inplace */ | |
1433 | 0, /* src_mask */ | |
1434 | 0x3fffc00, /* dst_mask */ | |
067653c5 | 1435 | false), /* pcrel_offset */ |
fbca6ad9 AO |
1436 | |
1437 | /* Used in MOVI and SHORI (((x - $) >> 16) & 65536). */ | |
1438 | HOWTO (R_SH_IMM_MEDLOW16_PCREL, /* type */ | |
1439 | 16, /* rightshift */ | |
1440 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1441 | 64, /* bitsize */ | |
1442 | true, /* pc_relative */ | |
1443 | 10, /* bitpos */ | |
1444 | complain_overflow_dont, /* complain_on_overflow */ | |
1445 | bfd_elf_generic_reloc, /* special_function */ | |
1446 | "R_SH_IMM_MEDLOW16_PCREL", /* name */ | |
1447 | false, /* partial_inplace */ | |
1448 | 0, /* src_mask */ | |
1449 | 0x3fffc00, /* dst_mask */ | |
1450 | true), /* pcrel_offset */ | |
1451 | ||
1452 | /* Used in MOVI and SHORI ((x >> 32) & 65536). */ | |
1453 | HOWTO (R_SH_IMM_MEDHI16, /* type */ | |
1454 | 32, /* rightshift */ | |
1455 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1456 | 64, /* bitsize */ | |
1457 | false, /* pc_relative */ | |
1458 | 10, /* bitpos */ | |
1459 | complain_overflow_dont, /* complain_on_overflow */ | |
1460 | bfd_elf_generic_reloc, /* special_function */ | |
1461 | "R_SH_IMM_MEDHI16", /* name */ | |
1462 | false, /* partial_inplace */ | |
1463 | 0, /* src_mask */ | |
1464 | 0x3fffc00, /* dst_mask */ | |
067653c5 | 1465 | false), /* pcrel_offset */ |
fbca6ad9 AO |
1466 | |
1467 | /* Used in MOVI and SHORI (((x - $) >> 32) & 65536). */ | |
1468 | HOWTO (R_SH_IMM_MEDHI16_PCREL, /* type */ | |
1469 | 32, /* rightshift */ | |
1470 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1471 | 64, /* bitsize */ | |
1472 | true, /* pc_relative */ | |
1473 | 10, /* bitpos */ | |
1474 | complain_overflow_dont, /* complain_on_overflow */ | |
1475 | bfd_elf_generic_reloc, /* special_function */ | |
1476 | "R_SH_IMM_MEDHI16_PCREL", /* name */ | |
1477 | false, /* partial_inplace */ | |
1478 | 0, /* src_mask */ | |
1479 | 0x3fffc00, /* dst_mask */ | |
1480 | true), /* pcrel_offset */ | |
1481 | ||
1482 | /* Used in MOVI and SHORI ((x >> 48) & 65536). */ | |
1483 | HOWTO (R_SH_IMM_HI16, /* type */ | |
1484 | 48, /* rightshift */ | |
1485 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1486 | 64, /* bitsize */ | |
1487 | false, /* pc_relative */ | |
1488 | 10, /* bitpos */ | |
1489 | complain_overflow_dont, /* complain_on_overflow */ | |
1490 | bfd_elf_generic_reloc, /* special_function */ | |
1491 | "R_SH_IMM_HI16", /* name */ | |
1492 | false, /* partial_inplace */ | |
1493 | 0, /* src_mask */ | |
1494 | 0x3fffc00, /* dst_mask */ | |
067653c5 | 1495 | false), /* pcrel_offset */ |
fbca6ad9 AO |
1496 | |
1497 | /* Used in MOVI and SHORI (((x - $) >> 48) & 65536). */ | |
1498 | HOWTO (R_SH_IMM_HI16_PCREL, /* type */ | |
1499 | 48, /* rightshift */ | |
1500 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1501 | 64, /* bitsize */ | |
1502 | true, /* pc_relative */ | |
1503 | 10, /* bitpos */ | |
1504 | complain_overflow_dont, /* complain_on_overflow */ | |
1505 | bfd_elf_generic_reloc, /* special_function */ | |
1506 | "R_SH_IMM_HI16_PCREL", /* name */ | |
1507 | false, /* partial_inplace */ | |
1508 | 0, /* src_mask */ | |
1509 | 0x3fffc00, /* dst_mask */ | |
1510 | true), /* pcrel_offset */ | |
1511 | ||
1512 | /* For the .uaquad pseudo. */ | |
1513 | HOWTO (R_SH_64, /* type */ | |
1514 | 0, /* rightshift */ | |
1515 | 4, /* size (0 = byte, 1 = short, 2 = long) */ | |
1516 | 64, /* bitsize */ | |
1517 | false, /* pc_relative */ | |
1518 | 0, /* bitpos */ | |
1519 | complain_overflow_dont, /* complain_on_overflow */ | |
1520 | bfd_elf_generic_reloc, /* special_function */ | |
067653c5 | 1521 | "R_SH_64", /* name */ |
fbca6ad9 AO |
1522 | false, /* partial_inplace */ |
1523 | 0, /* src_mask */ | |
1524 | ((bfd_vma) 0) - 1, /* dst_mask */ | |
067653c5 | 1525 | false), /* pcrel_offset */ |
fbca6ad9 AO |
1526 | |
1527 | /* For the .uaquad pseudo, (x - $). */ | |
1528 | HOWTO (R_SH_64_PCREL, /* type */ | |
1529 | 48, /* rightshift */ | |
1530 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1531 | 64, /* bitsize */ | |
1532 | true, /* pc_relative */ | |
1533 | 10, /* bitpos */ | |
1534 | complain_overflow_dont, /* complain_on_overflow */ | |
1535 | bfd_elf_generic_reloc, /* special_function */ | |
1536 | "R_SH_64_PCREL", /* name */ | |
1537 | false, /* partial_inplace */ | |
1538 | 0, /* src_mask */ | |
1539 | ((bfd_vma) 0) - 1, /* dst_mask */ | |
1540 | true), /* pcrel_offset */ | |
1541 | ||
1542 | #endif | |
252b5132 RH |
1543 | }; |
1544 | ||
015551fc JR |
1545 | static bfd_reloc_status_type |
1546 | sh_elf_reloc_loop (r_type, input_bfd, input_section, contents, addr, | |
435b1e90 | 1547 | symbol_section, start, end) |
61ff1804 | 1548 | int r_type ATTRIBUTE_UNUSED; |
015551fc JR |
1549 | bfd *input_bfd; |
1550 | asection *input_section; | |
1551 | bfd_byte *contents; | |
1552 | bfd_vma addr; | |
1553 | asection *symbol_section; | |
1554 | bfd_vma start, end; | |
1555 | { | |
1556 | static bfd_vma last_addr; | |
00fdaf47 | 1557 | static asection *last_symbol_section; |
015551fc JR |
1558 | bfd_byte *start_ptr, *ptr, *last_ptr; |
1559 | int diff, cum_diff; | |
1560 | bfd_signed_vma x; | |
1561 | int insn; | |
1562 | ||
1563 | /* Sanity check the address. */ | |
1564 | if (addr > input_section->_raw_size) | |
1565 | return bfd_reloc_outofrange; | |
1566 | ||
1567 | /* We require the start and end relocations to be processed consecutively - | |
1568 | although we allow then to be processed forwards or backwards. */ | |
1569 | if (! last_addr) | |
1570 | { | |
1571 | last_addr = addr; | |
1572 | last_symbol_section = symbol_section; | |
1573 | return bfd_reloc_ok; | |
1574 | } | |
1575 | if (last_addr != addr) | |
1576 | abort (); | |
1577 | last_addr = 0; | |
1578 | ||
1579 | if (! symbol_section || last_symbol_section != symbol_section || end < start) | |
1580 | return bfd_reloc_outofrange; | |
1581 | ||
1582 | /* Get the symbol_section contents. */ | |
1583 | if (symbol_section != input_section) | |
1584 | { | |
1585 | if (elf_section_data (symbol_section)->this_hdr.contents != NULL) | |
1586 | contents = elf_section_data (symbol_section)->this_hdr.contents; | |
1587 | else | |
1588 | { | |
dc810e39 | 1589 | contents = (bfd_byte *) bfd_malloc (symbol_section->_raw_size); |
015551fc JR |
1590 | if (contents == NULL) |
1591 | return bfd_reloc_outofrange; | |
1592 | if (! bfd_get_section_contents (input_bfd, symbol_section, contents, | |
1593 | (file_ptr) 0, | |
1594 | symbol_section->_raw_size)) | |
1595 | { | |
1596 | free (contents); | |
1597 | return bfd_reloc_outofrange; | |
1598 | } | |
1599 | } | |
1600 | } | |
1601 | #define IS_PPI(PTR) ((bfd_get_16 (input_bfd, (PTR)) & 0xfc00) == 0xf800) | |
1602 | start_ptr = contents + start; | |
1603 | for (cum_diff = -6, ptr = contents + end; cum_diff < 0 && ptr > start_ptr;) | |
1604 | { | |
1605 | for (last_ptr = ptr, ptr -= 4; ptr >= start_ptr && IS_PPI (ptr);) | |
1606 | ptr -= 2; | |
1607 | ptr += 2; | |
61ff1804 | 1608 | diff = (last_ptr - ptr) >> 1; |
015551fc JR |
1609 | cum_diff += diff & 1; |
1610 | cum_diff += diff; | |
1611 | } | |
1612 | /* Calculate the start / end values to load into rs / re minus four - | |
1613 | so that will cancel out the four we would otherwise have to add to | |
1614 | addr to get the value to subtract in order to get relative addressing. */ | |
1615 | if (cum_diff >= 0) | |
1616 | { | |
1617 | start -= 4; | |
1618 | end = (ptr + cum_diff * 2) - contents; | |
1619 | } | |
1620 | else | |
1621 | { | |
1622 | bfd_vma start0 = start - 4; | |
1623 | ||
a0fc8ba1 | 1624 | while (start0 && IS_PPI (contents + start0)) |
015551fc JR |
1625 | start0 -= 2; |
1626 | start0 = start - 2 - ((start - start0) & 2); | |
1627 | start = start0 - cum_diff - 2; | |
1628 | end = start0; | |
1629 | } | |
1630 | ||
6cdc0ccc AM |
1631 | if (contents != NULL |
1632 | && elf_section_data (symbol_section)->this_hdr.contents != contents) | |
1633 | free (contents); | |
015551fc JR |
1634 | |
1635 | insn = bfd_get_16 (input_bfd, contents + addr); | |
1636 | ||
1637 | x = (insn & 0x200 ? end : start) - addr; | |
1638 | if (input_section != symbol_section) | |
1639 | x += ((symbol_section->output_section->vma + symbol_section->output_offset) | |
1640 | - (input_section->output_section->vma | |
1641 | + input_section->output_offset)); | |
1642 | x >>= 1; | |
1643 | if (x < -128 || x > 127) | |
1644 | return bfd_reloc_overflow; | |
1645 | ||
61ff1804 | 1646 | x = (insn & ~0xff) | (x & 0xff); |
dc810e39 | 1647 | bfd_put_16 (input_bfd, (bfd_vma) x, contents + addr); |
015551fc JR |
1648 | |
1649 | return bfd_reloc_ok; | |
1650 | } | |
1651 | ||
1652 | /* This function is used for normal relocs. This used to be like the COFF | |
252b5132 RH |
1653 | function, and is almost certainly incorrect for other ELF targets. */ |
1654 | ||
1655 | static bfd_reloc_status_type | |
1656 | sh_elf_reloc (abfd, reloc_entry, symbol_in, data, input_section, output_bfd, | |
435b1e90 | 1657 | error_message) |
252b5132 RH |
1658 | bfd *abfd; |
1659 | arelent *reloc_entry; | |
1660 | asymbol *symbol_in; | |
1661 | PTR data; | |
1662 | asection *input_section; | |
1663 | bfd *output_bfd; | |
5f771d47 | 1664 | char **error_message ATTRIBUTE_UNUSED; |
252b5132 RH |
1665 | { |
1666 | unsigned long insn; | |
1667 | bfd_vma sym_value; | |
1668 | enum elf_sh_reloc_type r_type; | |
1669 | bfd_vma addr = reloc_entry->address; | |
1670 | bfd_byte *hit_data = addr + (bfd_byte *) data; | |
1671 | ||
1672 | r_type = (enum elf_sh_reloc_type) reloc_entry->howto->type; | |
1673 | ||
1674 | if (output_bfd != NULL) | |
1675 | { | |
1676 | /* Partial linking--do nothing. */ | |
1677 | reloc_entry->address += input_section->output_offset; | |
1678 | return bfd_reloc_ok; | |
1679 | } | |
1680 | ||
1681 | /* Almost all relocs have to do with relaxing. If any work must be | |
1682 | done for them, it has been done in sh_relax_section. */ | |
015551fc | 1683 | if (r_type == R_SH_IND12W && (symbol_in->flags & BSF_LOCAL) != 0) |
252b5132 RH |
1684 | return bfd_reloc_ok; |
1685 | ||
1686 | if (symbol_in != NULL | |
1687 | && bfd_is_und_section (symbol_in->section)) | |
1688 | return bfd_reloc_undefined; | |
1689 | ||
1690 | if (bfd_is_com_section (symbol_in->section)) | |
435b1e90 KH |
1691 | sym_value = 0; |
1692 | else | |
252b5132 RH |
1693 | sym_value = (symbol_in->value + |
1694 | symbol_in->section->output_section->vma + | |
1695 | symbol_in->section->output_offset); | |
1696 | ||
1697 | switch (r_type) | |
1698 | { | |
1699 | case R_SH_DIR32: | |
1700 | insn = bfd_get_32 (abfd, hit_data); | |
1701 | insn += sym_value + reloc_entry->addend; | |
dc810e39 | 1702 | bfd_put_32 (abfd, (bfd_vma) insn, hit_data); |
252b5132 RH |
1703 | break; |
1704 | case R_SH_IND12W: | |
1705 | insn = bfd_get_16 (abfd, hit_data); | |
1706 | sym_value += reloc_entry->addend; | |
1707 | sym_value -= (input_section->output_section->vma | |
1708 | + input_section->output_offset | |
1709 | + addr | |
1710 | + 4); | |
1711 | sym_value += (insn & 0xfff) << 1; | |
1712 | if (insn & 0x800) | |
1713 | sym_value -= 0x1000; | |
1714 | insn = (insn & 0xf000) | (sym_value & 0xfff); | |
dc810e39 | 1715 | bfd_put_16 (abfd, (bfd_vma) insn, hit_data); |
252b5132 RH |
1716 | if (sym_value < (bfd_vma) -0x1000 || sym_value >= 0x1000) |
1717 | return bfd_reloc_overflow; | |
1718 | break; | |
1719 | default: | |
1720 | abort (); | |
1721 | break; | |
1722 | } | |
1723 | ||
1724 | return bfd_reloc_ok; | |
1725 | } | |
1726 | ||
1727 | /* This function is used for relocs which are only used for relaxing, | |
1728 | which the linker should otherwise ignore. */ | |
1729 | ||
1730 | static bfd_reloc_status_type | |
1731 | sh_elf_ignore_reloc (abfd, reloc_entry, symbol, data, input_section, | |
1732 | output_bfd, error_message) | |
5f771d47 | 1733 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 | 1734 | arelent *reloc_entry; |
5f771d47 ILT |
1735 | asymbol *symbol ATTRIBUTE_UNUSED; |
1736 | PTR data ATTRIBUTE_UNUSED; | |
252b5132 RH |
1737 | asection *input_section; |
1738 | bfd *output_bfd; | |
5f771d47 | 1739 | char **error_message ATTRIBUTE_UNUSED; |
252b5132 RH |
1740 | { |
1741 | if (output_bfd != NULL) | |
1742 | reloc_entry->address += input_section->output_offset; | |
1743 | return bfd_reloc_ok; | |
1744 | } | |
1745 | ||
1746 | /* This structure is used to map BFD reloc codes to SH ELF relocs. */ | |
1747 | ||
38b1a46c NC |
1748 | struct elf_reloc_map |
1749 | { | |
252b5132 RH |
1750 | bfd_reloc_code_real_type bfd_reloc_val; |
1751 | unsigned char elf_reloc_val; | |
1752 | }; | |
1753 | ||
1754 | /* An array mapping BFD reloc codes to SH ELF relocs. */ | |
1755 | ||
38b1a46c NC |
1756 | static const struct elf_reloc_map sh_reloc_map[] = |
1757 | { | |
252b5132 RH |
1758 | { BFD_RELOC_NONE, R_SH_NONE }, |
1759 | { BFD_RELOC_32, R_SH_DIR32 }, | |
1760 | { BFD_RELOC_CTOR, R_SH_DIR32 }, | |
1761 | { BFD_RELOC_32_PCREL, R_SH_REL32 }, | |
1762 | { BFD_RELOC_SH_PCDISP8BY2, R_SH_DIR8WPN }, | |
1763 | { BFD_RELOC_SH_PCDISP12BY2, R_SH_IND12W }, | |
1764 | { BFD_RELOC_SH_PCRELIMM8BY2, R_SH_DIR8WPZ }, | |
1765 | { BFD_RELOC_SH_PCRELIMM8BY4, R_SH_DIR8WPL }, | |
1766 | { BFD_RELOC_8_PCREL, R_SH_SWITCH8 }, | |
1767 | { BFD_RELOC_SH_SWITCH16, R_SH_SWITCH16 }, | |
1768 | { BFD_RELOC_SH_SWITCH32, R_SH_SWITCH32 }, | |
1769 | { BFD_RELOC_SH_USES, R_SH_USES }, | |
1770 | { BFD_RELOC_SH_COUNT, R_SH_COUNT }, | |
1771 | { BFD_RELOC_SH_ALIGN, R_SH_ALIGN }, | |
1772 | { BFD_RELOC_SH_CODE, R_SH_CODE }, | |
1773 | { BFD_RELOC_SH_DATA, R_SH_DATA }, | |
1774 | { BFD_RELOC_SH_LABEL, R_SH_LABEL }, | |
1775 | { BFD_RELOC_VTABLE_INHERIT, R_SH_GNU_VTINHERIT }, | |
1776 | { BFD_RELOC_VTABLE_ENTRY, R_SH_GNU_VTENTRY }, | |
015551fc JR |
1777 | { BFD_RELOC_SH_LOOP_START, R_SH_LOOP_START }, |
1778 | { BFD_RELOC_SH_LOOP_END, R_SH_LOOP_END }, | |
37c644f2 AO |
1779 | { BFD_RELOC_32_GOT_PCREL, R_SH_GOT32 }, |
1780 | { BFD_RELOC_32_PLT_PCREL, R_SH_PLT32 }, | |
1781 | { BFD_RELOC_SH_COPY, R_SH_COPY }, | |
1782 | { BFD_RELOC_SH_GLOB_DAT, R_SH_GLOB_DAT }, | |
1783 | { BFD_RELOC_SH_JMP_SLOT, R_SH_JMP_SLOT }, | |
1784 | { BFD_RELOC_SH_RELATIVE, R_SH_RELATIVE }, | |
1785 | { BFD_RELOC_32_GOTOFF, R_SH_GOTOFF }, | |
1786 | { BFD_RELOC_SH_GOTPC, R_SH_GOTPC }, | |
fbca6ad9 AO |
1787 | { BFD_RELOC_SH_GOTPLT32, R_SH_GOTPLT32 }, |
1788 | #ifdef INCLUDE_SHMEDIA | |
1789 | { BFD_RELOC_SH_GOT_LOW16, R_SH_GOT_LOW16 }, | |
1790 | { BFD_RELOC_SH_GOT_MEDLOW16, R_SH_GOT_MEDLOW16 }, | |
1791 | { BFD_RELOC_SH_GOT_MEDHI16, R_SH_GOT_MEDHI16 }, | |
1792 | { BFD_RELOC_SH_GOT_HI16, R_SH_GOT_HI16 }, | |
1793 | { BFD_RELOC_SH_GOTPLT_LOW16, R_SH_GOTPLT_LOW16 }, | |
1794 | { BFD_RELOC_SH_GOTPLT_MEDLOW16, R_SH_GOTPLT_MEDLOW16 }, | |
1795 | { BFD_RELOC_SH_GOTPLT_MEDHI16, R_SH_GOTPLT_MEDHI16 }, | |
1796 | { BFD_RELOC_SH_GOTPLT_HI16, R_SH_GOTPLT_HI16 }, | |
1797 | { BFD_RELOC_SH_PLT_LOW16, R_SH_PLT_LOW16 }, | |
1798 | { BFD_RELOC_SH_PLT_MEDLOW16, R_SH_PLT_MEDLOW16 }, | |
1799 | { BFD_RELOC_SH_PLT_MEDHI16, R_SH_PLT_MEDHI16 }, | |
1800 | { BFD_RELOC_SH_PLT_HI16, R_SH_PLT_HI16 }, | |
1801 | { BFD_RELOC_SH_GOTOFF_LOW16, R_SH_GOTOFF_LOW16 }, | |
1802 | { BFD_RELOC_SH_GOTOFF_MEDLOW16, R_SH_GOTOFF_MEDLOW16 }, | |
1803 | { BFD_RELOC_SH_GOTOFF_MEDHI16, R_SH_GOTOFF_MEDHI16 }, | |
1804 | { BFD_RELOC_SH_GOTOFF_HI16, R_SH_GOTOFF_HI16 }, | |
1805 | { BFD_RELOC_SH_GOTPC_LOW16, R_SH_GOTPC_LOW16 }, | |
1806 | { BFD_RELOC_SH_GOTPC_MEDLOW16, R_SH_GOTPC_MEDLOW16 }, | |
1807 | { BFD_RELOC_SH_GOTPC_MEDHI16, R_SH_GOTPC_MEDHI16 }, | |
1808 | { BFD_RELOC_SH_GOTPC_HI16, R_SH_GOTPC_HI16 }, | |
1809 | { BFD_RELOC_SH_COPY64, R_SH_COPY64 }, | |
1810 | { BFD_RELOC_SH_GLOB_DAT64, R_SH_GLOB_DAT64 }, | |
1811 | { BFD_RELOC_SH_JMP_SLOT64, R_SH_JMP_SLOT64 }, | |
1812 | { BFD_RELOC_SH_RELATIVE64, R_SH_RELATIVE64 }, | |
1813 | { BFD_RELOC_SH_GOT10BY4, R_SH_GOT10BY4 }, | |
1814 | { BFD_RELOC_SH_GOT10BY8, R_SH_GOT10BY8 }, | |
1815 | { BFD_RELOC_SH_GOTPLT10BY4, R_SH_GOTPLT10BY4 }, | |
1816 | { BFD_RELOC_SH_GOTPLT10BY8, R_SH_GOTPLT10BY8 }, | |
1817 | { BFD_RELOC_SH_PT_16, R_SH_PT_16 }, | |
1818 | { BFD_RELOC_SH_SHMEDIA_CODE, R_SH_SHMEDIA_CODE }, | |
1819 | { BFD_RELOC_SH_IMMU5, R_SH_DIR5U }, | |
1820 | { BFD_RELOC_SH_IMMS6, R_SH_DIR6S }, | |
1821 | { BFD_RELOC_SH_IMMU6, R_SH_DIR6U }, | |
1822 | { BFD_RELOC_SH_IMMS10, R_SH_DIR10S }, | |
1823 | { BFD_RELOC_SH_IMMS10BY2, R_SH_DIR10SW }, | |
1824 | { BFD_RELOC_SH_IMMS10BY4, R_SH_DIR10SL }, | |
1825 | { BFD_RELOC_SH_IMMS10BY8, R_SH_DIR10SQ }, | |
1826 | { BFD_RELOC_SH_IMMS16, R_SH_IMMS16 }, | |
1827 | { BFD_RELOC_SH_IMMU16, R_SH_IMMU16 }, | |
1828 | { BFD_RELOC_SH_IMM_LOW16, R_SH_IMM_LOW16 }, | |
1829 | { BFD_RELOC_SH_IMM_LOW16_PCREL, R_SH_IMM_LOW16_PCREL }, | |
1830 | { BFD_RELOC_SH_IMM_MEDLOW16, R_SH_IMM_MEDLOW16 }, | |
1831 | { BFD_RELOC_SH_IMM_MEDLOW16_PCREL, R_SH_IMM_MEDLOW16_PCREL }, | |
1832 | { BFD_RELOC_SH_IMM_MEDHI16, R_SH_IMM_MEDHI16 }, | |
1833 | { BFD_RELOC_SH_IMM_MEDHI16_PCREL, R_SH_IMM_MEDHI16_PCREL }, | |
1834 | { BFD_RELOC_SH_IMM_HI16, R_SH_IMM_HI16 }, | |
1835 | { BFD_RELOC_SH_IMM_HI16_PCREL, R_SH_IMM_HI16_PCREL }, | |
1836 | { BFD_RELOC_64, R_SH_64 }, | |
1837 | { BFD_RELOC_64_PCREL, R_SH_64_PCREL }, | |
1838 | #endif /* not INCLUDE_SHMEDIA */ | |
252b5132 RH |
1839 | }; |
1840 | ||
1841 | /* Given a BFD reloc code, return the howto structure for the | |
1842 | corresponding SH ELf reloc. */ | |
1843 | ||
1844 | static reloc_howto_type * | |
1845 | sh_elf_reloc_type_lookup (abfd, code) | |
5f771d47 | 1846 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 RH |
1847 | bfd_reloc_code_real_type code; |
1848 | { | |
1849 | unsigned int i; | |
1850 | ||
1851 | for (i = 0; i < sizeof (sh_reloc_map) / sizeof (struct elf_reloc_map); i++) | |
1852 | { | |
1853 | if (sh_reloc_map[i].bfd_reloc_val == code) | |
1854 | return &sh_elf_howto_table[(int) sh_reloc_map[i].elf_reloc_val]; | |
1855 | } | |
1856 | ||
1857 | return NULL; | |
1858 | } | |
1859 | ||
1860 | /* Given an ELF reloc, fill in the howto field of a relent. */ | |
1861 | ||
1862 | static void | |
1863 | sh_elf_info_to_howto (abfd, cache_ptr, dst) | |
5f771d47 | 1864 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 RH |
1865 | arelent *cache_ptr; |
1866 | Elf_Internal_Rela *dst; | |
1867 | { | |
1868 | unsigned int r; | |
1869 | ||
1870 | r = ELF32_R_TYPE (dst->r_info); | |
1871 | ||
1872 | BFD_ASSERT (r < (unsigned int) R_SH_max); | |
1873 | BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC || r > R_SH_LAST_INVALID_RELOC); | |
06bb75c1 | 1874 | BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_2 || r > R_SH_LAST_INVALID_RELOC_2); |
fbca6ad9 AO |
1875 | BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_3 || r > R_SH_LAST_INVALID_RELOC_3); |
1876 | BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_4 || r > R_SH_LAST_INVALID_RELOC_4); | |
252b5132 RH |
1877 | |
1878 | cache_ptr->howto = &sh_elf_howto_table[r]; | |
1879 | } | |
1880 | \f | |
1881 | /* This function handles relaxing for SH ELF. See the corresponding | |
1882 | function in coff-sh.c for a description of what this does. FIXME: | |
1883 | There is a lot of duplication here between this code and the COFF | |
1884 | specific code. The format of relocs and symbols is wound deeply | |
1885 | into this code, but it would still be better if the duplication | |
1886 | could be eliminated somehow. Note in particular that although both | |
1887 | functions use symbols like R_SH_CODE, those symbols have different | |
1888 | values; in coff-sh.c they come from include/coff/sh.h, whereas here | |
1889 | they come from enum elf_sh_reloc_type in include/elf/sh.h. */ | |
1890 | ||
435b1e90 | 1891 | static boolean |
252b5132 RH |
1892 | sh_elf_relax_section (abfd, sec, link_info, again) |
1893 | bfd *abfd; | |
1894 | asection *sec; | |
1895 | struct bfd_link_info *link_info; | |
1896 | boolean *again; | |
1897 | { | |
1898 | Elf_Internal_Shdr *symtab_hdr; | |
1899 | Elf_Internal_Rela *internal_relocs; | |
252b5132 RH |
1900 | boolean have_code; |
1901 | Elf_Internal_Rela *irel, *irelend; | |
1902 | bfd_byte *contents = NULL; | |
6cdc0ccc | 1903 | Elf_Internal_Sym *isymbuf = NULL; |
252b5132 RH |
1904 | |
1905 | *again = false; | |
1906 | ||
1907 | if (link_info->relocateable | |
1908 | || (sec->flags & SEC_RELOC) == 0 | |
1909 | || sec->reloc_count == 0) | |
1910 | return true; | |
1911 | ||
fbca6ad9 AO |
1912 | #ifdef INCLUDE_SHMEDIA |
1913 | if (elf_section_data (sec)->this_hdr.sh_flags | |
1914 | & (SHF_SH5_ISA32 | SHF_SH5_ISA32_MIXED)) | |
1915 | { | |
1916 | return true; | |
1917 | } | |
1918 | #endif | |
1919 | ||
252b5132 RH |
1920 | /* If this is the first time we have been called for this section, |
1921 | initialize the cooked size. */ | |
1922 | if (sec->_cooked_size == 0) | |
1923 | sec->_cooked_size = sec->_raw_size; | |
1924 | ||
1925 | symtab_hdr = &elf_tdata (abfd)->symtab_hdr; | |
1926 | ||
1927 | internal_relocs = (_bfd_elf32_link_read_relocs | |
1928 | (abfd, sec, (PTR) NULL, (Elf_Internal_Rela *) NULL, | |
1929 | link_info->keep_memory)); | |
1930 | if (internal_relocs == NULL) | |
1931 | goto error_return; | |
252b5132 RH |
1932 | |
1933 | have_code = false; | |
1934 | ||
1935 | irelend = internal_relocs + sec->reloc_count; | |
1936 | for (irel = internal_relocs; irel < irelend; irel++) | |
1937 | { | |
1938 | bfd_vma laddr, paddr, symval; | |
1939 | unsigned short insn; | |
1940 | Elf_Internal_Rela *irelfn, *irelscan, *irelcount; | |
1941 | bfd_signed_vma foff; | |
1942 | ||
1943 | if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_CODE) | |
1944 | have_code = true; | |
1945 | ||
1946 | if (ELF32_R_TYPE (irel->r_info) != (int) R_SH_USES) | |
1947 | continue; | |
1948 | ||
1949 | /* Get the section contents. */ | |
1950 | if (contents == NULL) | |
1951 | { | |
1952 | if (elf_section_data (sec)->this_hdr.contents != NULL) | |
1953 | contents = elf_section_data (sec)->this_hdr.contents; | |
1954 | else | |
1955 | { | |
1956 | contents = (bfd_byte *) bfd_malloc (sec->_raw_size); | |
1957 | if (contents == NULL) | |
1958 | goto error_return; | |
252b5132 RH |
1959 | |
1960 | if (! bfd_get_section_contents (abfd, sec, contents, | |
1961 | (file_ptr) 0, sec->_raw_size)) | |
1962 | goto error_return; | |
1963 | } | |
1964 | } | |
1965 | ||
1966 | /* The r_addend field of the R_SH_USES reloc will point us to | |
067653c5 AM |
1967 | the register load. The 4 is because the r_addend field is |
1968 | computed as though it were a jump offset, which are based | |
1969 | from 4 bytes after the jump instruction. */ | |
252b5132 RH |
1970 | laddr = irel->r_offset + 4 + irel->r_addend; |
1971 | if (laddr >= sec->_raw_size) | |
1972 | { | |
1973 | (*_bfd_error_handler) (_("%s: 0x%lx: warning: bad R_SH_USES offset"), | |
8f615d07 | 1974 | bfd_archive_filename (abfd), |
252b5132 RH |
1975 | (unsigned long) irel->r_offset); |
1976 | continue; | |
1977 | } | |
1978 | insn = bfd_get_16 (abfd, contents + laddr); | |
1979 | ||
1980 | /* If the instruction is not mov.l NN,rN, we don't know what to | |
067653c5 | 1981 | do. */ |
252b5132 RH |
1982 | if ((insn & 0xf000) != 0xd000) |
1983 | { | |
1984 | ((*_bfd_error_handler) | |
1985 | (_("%s: 0x%lx: warning: R_SH_USES points to unrecognized insn 0x%x"), | |
8f615d07 | 1986 | bfd_archive_filename (abfd), (unsigned long) irel->r_offset, insn)); |
252b5132 RH |
1987 | continue; |
1988 | } | |
1989 | ||
1990 | /* Get the address from which the register is being loaded. The | |
99e4ae17 AJ |
1991 | displacement in the mov.l instruction is quadrupled. It is a |
1992 | displacement from four bytes after the movl instruction, but, | |
1993 | before adding in the PC address, two least significant bits | |
1994 | of the PC are cleared. We assume that the section is aligned | |
1995 | on a four byte boundary. */ | |
252b5132 RH |
1996 | paddr = insn & 0xff; |
1997 | paddr *= 4; | |
dc810e39 | 1998 | paddr += (laddr + 4) &~ (bfd_vma) 3; |
252b5132 RH |
1999 | if (paddr >= sec->_raw_size) |
2000 | { | |
2001 | ((*_bfd_error_handler) | |
2002 | (_("%s: 0x%lx: warning: bad R_SH_USES load offset"), | |
8f615d07 | 2003 | bfd_archive_filename (abfd), (unsigned long) irel->r_offset)); |
252b5132 RH |
2004 | continue; |
2005 | } | |
2006 | ||
2007 | /* Get the reloc for the address from which the register is | |
067653c5 AM |
2008 | being loaded. This reloc will tell us which function is |
2009 | actually being called. */ | |
252b5132 RH |
2010 | for (irelfn = internal_relocs; irelfn < irelend; irelfn++) |
2011 | if (irelfn->r_offset == paddr | |
2012 | && ELF32_R_TYPE (irelfn->r_info) == (int) R_SH_DIR32) | |
2013 | break; | |
2014 | if (irelfn >= irelend) | |
2015 | { | |
2016 | ((*_bfd_error_handler) | |
2017 | (_("%s: 0x%lx: warning: could not find expected reloc"), | |
8f615d07 | 2018 | bfd_archive_filename (abfd), (unsigned long) paddr)); |
252b5132 RH |
2019 | continue; |
2020 | } | |
2021 | ||
2022 | /* Read this BFD's symbols if we haven't done so already. */ | |
6cdc0ccc | 2023 | if (isymbuf == NULL && symtab_hdr->sh_info != 0) |
252b5132 | 2024 | { |
6cdc0ccc AM |
2025 | isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents; |
2026 | if (isymbuf == NULL) | |
2027 | isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr, | |
2028 | symtab_hdr->sh_info, 0, | |
2029 | NULL, NULL, NULL); | |
2030 | if (isymbuf == NULL) | |
2031 | goto error_return; | |
252b5132 RH |
2032 | } |
2033 | ||
2034 | /* Get the value of the symbol referred to by the reloc. */ | |
2035 | if (ELF32_R_SYM (irelfn->r_info) < symtab_hdr->sh_info) | |
2036 | { | |
9ad5cbcf | 2037 | /* A local symbol. */ |
6cdc0ccc | 2038 | Elf_Internal_Sym *isym; |
252b5132 | 2039 | |
6cdc0ccc AM |
2040 | isym = isymbuf + ELF32_R_SYM (irelfn->r_info); |
2041 | if (isym->st_shndx | |
d426c6b0 | 2042 | != (unsigned int) _bfd_elf_section_from_bfd_section (abfd, sec)) |
252b5132 RH |
2043 | { |
2044 | ((*_bfd_error_handler) | |
2045 | (_("%s: 0x%lx: warning: symbol in unexpected section"), | |
8f615d07 | 2046 | bfd_archive_filename (abfd), (unsigned long) paddr)); |
252b5132 RH |
2047 | continue; |
2048 | } | |
2049 | ||
6cdc0ccc | 2050 | symval = (isym->st_value |
252b5132 RH |
2051 | + sec->output_section->vma |
2052 | + sec->output_offset); | |
2053 | } | |
2054 | else | |
2055 | { | |
2056 | unsigned long indx; | |
2057 | struct elf_link_hash_entry *h; | |
2058 | ||
2059 | indx = ELF32_R_SYM (irelfn->r_info) - symtab_hdr->sh_info; | |
2060 | h = elf_sym_hashes (abfd)[indx]; | |
2061 | BFD_ASSERT (h != NULL); | |
2062 | if (h->root.type != bfd_link_hash_defined | |
2063 | && h->root.type != bfd_link_hash_defweak) | |
2064 | { | |
2065 | /* This appears to be a reference to an undefined | |
067653c5 AM |
2066 | symbol. Just ignore it--it will be caught by the |
2067 | regular reloc processing. */ | |
252b5132 RH |
2068 | continue; |
2069 | } | |
2070 | ||
2071 | symval = (h->root.u.def.value | |
2072 | + h->root.u.def.section->output_section->vma | |
2073 | + h->root.u.def.section->output_offset); | |
2074 | } | |
2075 | ||
2076 | symval += bfd_get_32 (abfd, contents + paddr); | |
2077 | ||
2078 | /* See if this function call can be shortened. */ | |
2079 | foff = (symval | |
2080 | - (irel->r_offset | |
2081 | + sec->output_section->vma | |
2082 | + sec->output_offset | |
2083 | + 4)); | |
2084 | if (foff < -0x1000 || foff >= 0x1000) | |
2085 | { | |
2086 | /* After all that work, we can't shorten this function call. */ | |
2087 | continue; | |
2088 | } | |
2089 | ||
2090 | /* Shorten the function call. */ | |
2091 | ||
2092 | /* For simplicity of coding, we are going to modify the section | |
2093 | contents, the section relocs, and the BFD symbol table. We | |
2094 | must tell the rest of the code not to free up this | |
2095 | information. It would be possible to instead create a table | |
2096 | of changes which have to be made, as is done in coff-mips.c; | |
2097 | that would be more work, but would require less memory when | |
2098 | the linker is run. */ | |
2099 | ||
2100 | elf_section_data (sec)->relocs = internal_relocs; | |
252b5132 | 2101 | elf_section_data (sec)->this_hdr.contents = contents; |
6cdc0ccc | 2102 | symtab_hdr->contents = (unsigned char *) isymbuf; |
252b5132 RH |
2103 | |
2104 | /* Replace the jsr with a bsr. */ | |
2105 | ||
2106 | /* Change the R_SH_USES reloc into an R_SH_IND12W reloc, and | |
067653c5 | 2107 | replace the jsr with a bsr. */ |
252b5132 RH |
2108 | irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irelfn->r_info), R_SH_IND12W); |
2109 | if (ELF32_R_SYM (irelfn->r_info) < symtab_hdr->sh_info) | |
2110 | { | |
2111 | /* If this needs to be changed because of future relaxing, | |
067653c5 AM |
2112 | it will be handled here like other internal IND12W |
2113 | relocs. */ | |
252b5132 | 2114 | bfd_put_16 (abfd, |
dc810e39 | 2115 | (bfd_vma) 0xb000 | ((foff >> 1) & 0xfff), |
252b5132 RH |
2116 | contents + irel->r_offset); |
2117 | } | |
2118 | else | |
2119 | { | |
2120 | /* We can't fully resolve this yet, because the external | |
067653c5 AM |
2121 | symbol value may be changed by future relaxing. We let |
2122 | the final link phase handle it. */ | |
dc810e39 | 2123 | bfd_put_16 (abfd, (bfd_vma) 0xb000, contents + irel->r_offset); |
252b5132 RH |
2124 | } |
2125 | ||
2126 | /* See if there is another R_SH_USES reloc referring to the same | |
067653c5 | 2127 | register load. */ |
252b5132 RH |
2128 | for (irelscan = internal_relocs; irelscan < irelend; irelscan++) |
2129 | if (ELF32_R_TYPE (irelscan->r_info) == (int) R_SH_USES | |
2130 | && laddr == irelscan->r_offset + 4 + irelscan->r_addend) | |
2131 | break; | |
2132 | if (irelscan < irelend) | |
2133 | { | |
2134 | /* Some other function call depends upon this register load, | |
2135 | and we have not yet converted that function call. | |
2136 | Indeed, we may never be able to convert it. There is | |
2137 | nothing else we can do at this point. */ | |
2138 | continue; | |
2139 | } | |
2140 | ||
2141 | /* Look for a R_SH_COUNT reloc on the location where the | |
067653c5 AM |
2142 | function address is stored. Do this before deleting any |
2143 | bytes, to avoid confusion about the address. */ | |
252b5132 RH |
2144 | for (irelcount = internal_relocs; irelcount < irelend; irelcount++) |
2145 | if (irelcount->r_offset == paddr | |
2146 | && ELF32_R_TYPE (irelcount->r_info) == (int) R_SH_COUNT) | |
2147 | break; | |
2148 | ||
2149 | /* Delete the register load. */ | |
2150 | if (! sh_elf_relax_delete_bytes (abfd, sec, laddr, 2)) | |
2151 | goto error_return; | |
2152 | ||
2153 | /* That will change things, so, just in case it permits some | |
067653c5 AM |
2154 | other function call to come within range, we should relax |
2155 | again. Note that this is not required, and it may be slow. */ | |
252b5132 RH |
2156 | *again = true; |
2157 | ||
2158 | /* Now check whether we got a COUNT reloc. */ | |
2159 | if (irelcount >= irelend) | |
2160 | { | |
2161 | ((*_bfd_error_handler) | |
2162 | (_("%s: 0x%lx: warning: could not find expected COUNT reloc"), | |
8f615d07 | 2163 | bfd_archive_filename (abfd), (unsigned long) paddr)); |
252b5132 RH |
2164 | continue; |
2165 | } | |
2166 | ||
2167 | /* The number of uses is stored in the r_addend field. We've | |
067653c5 | 2168 | just deleted one. */ |
252b5132 RH |
2169 | if (irelcount->r_addend == 0) |
2170 | { | |
2171 | ((*_bfd_error_handler) (_("%s: 0x%lx: warning: bad count"), | |
8f615d07 | 2172 | bfd_archive_filename (abfd), |
252b5132 RH |
2173 | (unsigned long) paddr)); |
2174 | continue; | |
2175 | } | |
2176 | ||
2177 | --irelcount->r_addend; | |
2178 | ||
2179 | /* If there are no more uses, we can delete the address. Reload | |
067653c5 AM |
2180 | the address from irelfn, in case it was changed by the |
2181 | previous call to sh_elf_relax_delete_bytes. */ | |
252b5132 RH |
2182 | if (irelcount->r_addend == 0) |
2183 | { | |
2184 | if (! sh_elf_relax_delete_bytes (abfd, sec, irelfn->r_offset, 4)) | |
2185 | goto error_return; | |
2186 | } | |
2187 | ||
2188 | /* We've done all we can with that function call. */ | |
2189 | } | |
2190 | ||
2191 | /* Look for load and store instructions that we can align on four | |
2192 | byte boundaries. */ | |
2193 | if (have_code) | |
2194 | { | |
2195 | boolean swapped; | |
2196 | ||
2197 | /* Get the section contents. */ | |
2198 | if (contents == NULL) | |
2199 | { | |
2200 | if (elf_section_data (sec)->this_hdr.contents != NULL) | |
2201 | contents = elf_section_data (sec)->this_hdr.contents; | |
2202 | else | |
2203 | { | |
2204 | contents = (bfd_byte *) bfd_malloc (sec->_raw_size); | |
2205 | if (contents == NULL) | |
2206 | goto error_return; | |
252b5132 RH |
2207 | |
2208 | if (! bfd_get_section_contents (abfd, sec, contents, | |
2209 | (file_ptr) 0, sec->_raw_size)) | |
2210 | goto error_return; | |
2211 | } | |
2212 | } | |
2213 | ||
2214 | if (! sh_elf_align_loads (abfd, sec, internal_relocs, contents, | |
2215 | &swapped)) | |
2216 | goto error_return; | |
2217 | ||
2218 | if (swapped) | |
2219 | { | |
2220 | elf_section_data (sec)->relocs = internal_relocs; | |
252b5132 | 2221 | elf_section_data (sec)->this_hdr.contents = contents; |
6cdc0ccc | 2222 | symtab_hdr->contents = (unsigned char *) isymbuf; |
252b5132 RH |
2223 | } |
2224 | } | |
2225 | ||
6cdc0ccc AM |
2226 | if (isymbuf != NULL |
2227 | && symtab_hdr->contents != (unsigned char *) isymbuf) | |
252b5132 RH |
2228 | { |
2229 | if (! link_info->keep_memory) | |
6cdc0ccc | 2230 | free (isymbuf); |
252b5132 RH |
2231 | else |
2232 | { | |
6cdc0ccc AM |
2233 | /* Cache the symbols for elf_link_input_bfd. */ |
2234 | symtab_hdr->contents = (unsigned char *) isymbuf; | |
252b5132 | 2235 | } |
9ad5cbcf AM |
2236 | } |
2237 | ||
6cdc0ccc AM |
2238 | if (contents != NULL |
2239 | && elf_section_data (sec)->this_hdr.contents != contents) | |
252b5132 RH |
2240 | { |
2241 | if (! link_info->keep_memory) | |
6cdc0ccc AM |
2242 | free (contents); |
2243 | else | |
252b5132 | 2244 | { |
6cdc0ccc AM |
2245 | /* Cache the section contents for elf_link_input_bfd. */ |
2246 | elf_section_data (sec)->this_hdr.contents = contents; | |
252b5132 | 2247 | } |
252b5132 RH |
2248 | } |
2249 | ||
6cdc0ccc AM |
2250 | if (internal_relocs != NULL |
2251 | && elf_section_data (sec)->relocs != internal_relocs) | |
2252 | free (internal_relocs); | |
2253 | ||
252b5132 RH |
2254 | return true; |
2255 | ||
2256 | error_return: | |
6cdc0ccc AM |
2257 | if (isymbuf != NULL |
2258 | && symtab_hdr->contents != (unsigned char *) isymbuf) | |
2259 | free (isymbuf); | |
2260 | if (contents != NULL | |
2261 | && elf_section_data (sec)->this_hdr.contents != contents) | |
2262 | free (contents); | |
2263 | if (internal_relocs != NULL | |
2264 | && elf_section_data (sec)->relocs != internal_relocs) | |
2265 | free (internal_relocs); | |
9ad5cbcf | 2266 | |
252b5132 RH |
2267 | return false; |
2268 | } | |
2269 | ||
2270 | /* Delete some bytes from a section while relaxing. FIXME: There is a | |
2271 | lot of duplication between this function and sh_relax_delete_bytes | |
2272 | in coff-sh.c. */ | |
2273 | ||
2274 | static boolean | |
2275 | sh_elf_relax_delete_bytes (abfd, sec, addr, count) | |
2276 | bfd *abfd; | |
2277 | asection *sec; | |
2278 | bfd_vma addr; | |
2279 | int count; | |
2280 | { | |
2281 | Elf_Internal_Shdr *symtab_hdr; | |
9ad5cbcf | 2282 | unsigned int sec_shndx; |
252b5132 RH |
2283 | bfd_byte *contents; |
2284 | Elf_Internal_Rela *irel, *irelend; | |
2285 | Elf_Internal_Rela *irelalign; | |
2286 | bfd_vma toaddr; | |
6cdc0ccc | 2287 | Elf_Internal_Sym *isymbuf, *isym, *isymend; |
9ad5cbcf AM |
2288 | struct elf_link_hash_entry **sym_hashes; |
2289 | struct elf_link_hash_entry **end_hashes; | |
2290 | unsigned int symcount; | |
252b5132 RH |
2291 | asection *o; |
2292 | ||
2293 | symtab_hdr = &elf_tdata (abfd)->symtab_hdr; | |
6cdc0ccc | 2294 | isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents; |
9ad5cbcf AM |
2295 | |
2296 | sec_shndx = _bfd_elf_section_from_bfd_section (abfd, sec); | |
252b5132 RH |
2297 | |
2298 | contents = elf_section_data (sec)->this_hdr.contents; | |
2299 | ||
2300 | /* The deletion must stop at the next ALIGN reloc for an aligment | |
2301 | power larger than the number of bytes we are deleting. */ | |
2302 | ||
2303 | irelalign = NULL; | |
2304 | toaddr = sec->_cooked_size; | |
2305 | ||
2306 | irel = elf_section_data (sec)->relocs; | |
2307 | irelend = irel + sec->reloc_count; | |
2308 | for (; irel < irelend; irel++) | |
2309 | { | |
2310 | if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_ALIGN | |
2311 | && irel->r_offset > addr | |
2312 | && count < (1 << irel->r_addend)) | |
2313 | { | |
2314 | irelalign = irel; | |
2315 | toaddr = irel->r_offset; | |
2316 | break; | |
2317 | } | |
2318 | } | |
2319 | ||
2320 | /* Actually delete the bytes. */ | |
dc810e39 AM |
2321 | memmove (contents + addr, contents + addr + count, |
2322 | (size_t) (toaddr - addr - count)); | |
252b5132 RH |
2323 | if (irelalign == NULL) |
2324 | sec->_cooked_size -= count; | |
2325 | else | |
2326 | { | |
2327 | int i; | |
2328 | ||
2329 | #define NOP_OPCODE (0x0009) | |
2330 | ||
2331 | BFD_ASSERT ((count & 1) == 0); | |
2332 | for (i = 0; i < count; i += 2) | |
dc810e39 | 2333 | bfd_put_16 (abfd, (bfd_vma) NOP_OPCODE, contents + toaddr - count + i); |
252b5132 RH |
2334 | } |
2335 | ||
2336 | /* Adjust all the relocs. */ | |
2337 | for (irel = elf_section_data (sec)->relocs; irel < irelend; irel++) | |
2338 | { | |
2339 | bfd_vma nraddr, stop; | |
2340 | bfd_vma start = 0; | |
2341 | int insn = 0; | |
252b5132 RH |
2342 | int off, adjust, oinsn; |
2343 | bfd_signed_vma voff = 0; | |
2344 | boolean overflow; | |
2345 | ||
2346 | /* Get the new reloc address. */ | |
2347 | nraddr = irel->r_offset; | |
2348 | if ((irel->r_offset > addr | |
2349 | && irel->r_offset < toaddr) | |
2350 | || (ELF32_R_TYPE (irel->r_info) == (int) R_SH_ALIGN | |
2351 | && irel->r_offset == toaddr)) | |
2352 | nraddr -= count; | |
2353 | ||
2354 | /* See if this reloc was for the bytes we have deleted, in which | |
2355 | case we no longer care about it. Don't delete relocs which | |
2356 | represent addresses, though. */ | |
2357 | if (irel->r_offset >= addr | |
2358 | && irel->r_offset < addr + count | |
2359 | && ELF32_R_TYPE (irel->r_info) != (int) R_SH_ALIGN | |
2360 | && ELF32_R_TYPE (irel->r_info) != (int) R_SH_CODE | |
2361 | && ELF32_R_TYPE (irel->r_info) != (int) R_SH_DATA | |
2362 | && ELF32_R_TYPE (irel->r_info) != (int) R_SH_LABEL) | |
2363 | irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info), | |
2364 | (int) R_SH_NONE); | |
2365 | ||
2366 | /* If this is a PC relative reloc, see if the range it covers | |
067653c5 | 2367 | includes the bytes we have deleted. */ |
252b5132 RH |
2368 | switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info)) |
2369 | { | |
2370 | default: | |
2371 | break; | |
2372 | ||
2373 | case R_SH_DIR8WPN: | |
2374 | case R_SH_IND12W: | |
2375 | case R_SH_DIR8WPZ: | |
2376 | case R_SH_DIR8WPL: | |
2377 | start = irel->r_offset; | |
2378 | insn = bfd_get_16 (abfd, contents + nraddr); | |
2379 | break; | |
2380 | } | |
2381 | ||
2382 | switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info)) | |
2383 | { | |
2384 | default: | |
2385 | start = stop = addr; | |
2386 | break; | |
2387 | ||
2388 | case R_SH_DIR32: | |
2389 | /* If this reloc is against a symbol defined in this | |
067653c5 AM |
2390 | section, and the symbol will not be adjusted below, we |
2391 | must check the addend to see it will put the value in | |
2392 | range to be adjusted, and hence must be changed. */ | |
252b5132 RH |
2393 | if (ELF32_R_SYM (irel->r_info) < symtab_hdr->sh_info) |
2394 | { | |
6cdc0ccc AM |
2395 | isym = isymbuf + ELF32_R_SYM (irel->r_info); |
2396 | if (isym->st_shndx == sec_shndx | |
2397 | && (isym->st_value <= addr | |
2398 | || isym->st_value >= toaddr)) | |
252b5132 RH |
2399 | { |
2400 | bfd_vma val; | |
2401 | ||
2402 | val = bfd_get_32 (abfd, contents + nraddr); | |
6cdc0ccc | 2403 | val += isym->st_value; |
252b5132 RH |
2404 | if (val > addr && val < toaddr) |
2405 | bfd_put_32 (abfd, val - count, contents + nraddr); | |
2406 | } | |
2407 | } | |
2408 | start = stop = addr; | |
2409 | break; | |
2410 | ||
2411 | case R_SH_DIR8WPN: | |
2412 | off = insn & 0xff; | |
2413 | if (off & 0x80) | |
2414 | off -= 0x100; | |
2415 | stop = (bfd_vma) ((bfd_signed_vma) start + 4 + off * 2); | |
2416 | break; | |
2417 | ||
2418 | case R_SH_IND12W: | |
2419 | if (ELF32_R_SYM (irel->r_info) >= symtab_hdr->sh_info) | |
2420 | start = stop = addr; | |
2421 | else | |
2422 | { | |
2423 | off = insn & 0xfff; | |
2424 | if (off & 0x800) | |
2425 | off -= 0x1000; | |
2426 | stop = (bfd_vma) ((bfd_signed_vma) start + 4 + off * 2); | |
2427 | } | |
2428 | break; | |
2429 | ||
2430 | case R_SH_DIR8WPZ: | |
2431 | off = insn & 0xff; | |
2432 | stop = start + 4 + off * 2; | |
2433 | break; | |
2434 | ||
2435 | case R_SH_DIR8WPL: | |
2436 | off = insn & 0xff; | |
435b1e90 | 2437 | stop = (start & ~(bfd_vma) 3) + 4 + off * 4; |
252b5132 RH |
2438 | break; |
2439 | ||
2440 | case R_SH_SWITCH8: | |
2441 | case R_SH_SWITCH16: | |
2442 | case R_SH_SWITCH32: | |
2443 | /* These relocs types represent | |
2444 | .word L2-L1 | |
06e1ba78 | 2445 | The r_addend field holds the difference between the reloc |
252b5132 RH |
2446 | address and L1. That is the start of the reloc, and |
2447 | adding in the contents gives us the top. We must adjust | |
06e1ba78 JR |
2448 | both the r_offset field and the section contents. |
2449 | N.B. in gas / coff bfd, the elf bfd r_addend is called r_offset, | |
2450 | and the elf bfd r_offset is called r_vaddr. */ | |
252b5132 | 2451 | |
06e1ba78 JR |
2452 | stop = irel->r_offset; |
2453 | start = (bfd_vma) ((bfd_signed_vma) stop - (long) irel->r_addend); | |
252b5132 RH |
2454 | |
2455 | if (start > addr | |
2456 | && start < toaddr | |
2457 | && (stop <= addr || stop >= toaddr)) | |
2458 | irel->r_addend += count; | |
2459 | else if (stop > addr | |
2460 | && stop < toaddr | |
2461 | && (start <= addr || start >= toaddr)) | |
2462 | irel->r_addend -= count; | |
2463 | ||
252b5132 RH |
2464 | if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_SWITCH16) |
2465 | voff = bfd_get_signed_16 (abfd, contents + nraddr); | |
2466 | else if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_SWITCH8) | |
2467 | voff = bfd_get_8 (abfd, contents + nraddr); | |
2468 | else | |
2469 | voff = bfd_get_signed_32 (abfd, contents + nraddr); | |
2470 | stop = (bfd_vma) ((bfd_signed_vma) start + voff); | |
2471 | ||
2472 | break; | |
2473 | ||
2474 | case R_SH_USES: | |
2475 | start = irel->r_offset; | |
2476 | stop = (bfd_vma) ((bfd_signed_vma) start | |
2477 | + (long) irel->r_addend | |
2478 | + 4); | |
2479 | break; | |
2480 | } | |
2481 | ||
2482 | if (start > addr | |
2483 | && start < toaddr | |
2484 | && (stop <= addr || stop >= toaddr)) | |
2485 | adjust = count; | |
2486 | else if (stop > addr | |
2487 | && stop < toaddr | |
2488 | && (start <= addr || start >= toaddr)) | |
2489 | adjust = - count; | |
2490 | else | |
2491 | adjust = 0; | |
2492 | ||
2493 | if (adjust != 0) | |
2494 | { | |
2495 | oinsn = insn; | |
2496 | overflow = false; | |
2497 | switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info)) | |
2498 | { | |
2499 | default: | |
2500 | abort (); | |
2501 | break; | |
2502 | ||
2503 | case R_SH_DIR8WPN: | |
2504 | case R_SH_DIR8WPZ: | |
2505 | insn += adjust / 2; | |
2506 | if ((oinsn & 0xff00) != (insn & 0xff00)) | |
2507 | overflow = true; | |
dc810e39 | 2508 | bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr); |
252b5132 RH |
2509 | break; |
2510 | ||
2511 | case R_SH_IND12W: | |
2512 | insn += adjust / 2; | |
2513 | if ((oinsn & 0xf000) != (insn & 0xf000)) | |
2514 | overflow = true; | |
dc810e39 | 2515 | bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr); |
252b5132 RH |
2516 | break; |
2517 | ||
2518 | case R_SH_DIR8WPL: | |
2519 | BFD_ASSERT (adjust == count || count >= 4); | |
2520 | if (count >= 4) | |
2521 | insn += adjust / 4; | |
2522 | else | |
2523 | { | |
2524 | if ((irel->r_offset & 3) == 0) | |
2525 | ++insn; | |
2526 | } | |
2527 | if ((oinsn & 0xff00) != (insn & 0xff00)) | |
2528 | overflow = true; | |
dc810e39 | 2529 | bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr); |
252b5132 RH |
2530 | break; |
2531 | ||
851cde10 JR |
2532 | case R_SH_SWITCH8: |
2533 | voff += adjust; | |
2534 | if (voff < 0 || voff >= 0xff) | |
2535 | overflow = true; | |
2536 | bfd_put_8 (abfd, voff, contents + nraddr); | |
2537 | break; | |
2538 | ||
252b5132 RH |
2539 | case R_SH_SWITCH16: |
2540 | voff += adjust; | |
2541 | if (voff < - 0x8000 || voff >= 0x8000) | |
2542 | overflow = true; | |
dc810e39 | 2543 | bfd_put_signed_16 (abfd, (bfd_vma) voff, contents + nraddr); |
252b5132 RH |
2544 | break; |
2545 | ||
2546 | case R_SH_SWITCH32: | |
2547 | voff += adjust; | |
dc810e39 | 2548 | bfd_put_signed_32 (abfd, (bfd_vma) voff, contents + nraddr); |
252b5132 RH |
2549 | break; |
2550 | ||
2551 | case R_SH_USES: | |
2552 | irel->r_addend += adjust; | |
2553 | break; | |
2554 | } | |
2555 | ||
2556 | if (overflow) | |
2557 | { | |
2558 | ((*_bfd_error_handler) | |
2559 | (_("%s: 0x%lx: fatal: reloc overflow while relaxing"), | |
8f615d07 | 2560 | bfd_archive_filename (abfd), (unsigned long) irel->r_offset)); |
252b5132 RH |
2561 | bfd_set_error (bfd_error_bad_value); |
2562 | return false; | |
2563 | } | |
2564 | } | |
2565 | ||
2566 | irel->r_offset = nraddr; | |
2567 | } | |
2568 | ||
2569 | /* Look through all the other sections. If there contain any IMM32 | |
2570 | relocs against internal symbols which we are not going to adjust | |
2571 | below, we may need to adjust the addends. */ | |
2572 | for (o = abfd->sections; o != NULL; o = o->next) | |
2573 | { | |
2574 | Elf_Internal_Rela *internal_relocs; | |
2575 | Elf_Internal_Rela *irelscan, *irelscanend; | |
2576 | bfd_byte *ocontents; | |
2577 | ||
2578 | if (o == sec | |
2579 | || (o->flags & SEC_RELOC) == 0 | |
2580 | || o->reloc_count == 0) | |
2581 | continue; | |
2582 | ||
2583 | /* We always cache the relocs. Perhaps, if info->keep_memory is | |
067653c5 AM |
2584 | false, we should free them, if we are permitted to, when we |
2585 | leave sh_coff_relax_section. */ | |
252b5132 RH |
2586 | internal_relocs = (_bfd_elf32_link_read_relocs |
2587 | (abfd, o, (PTR) NULL, (Elf_Internal_Rela *) NULL, | |
2588 | true)); | |
2589 | if (internal_relocs == NULL) | |
2590 | return false; | |
2591 | ||
2592 | ocontents = NULL; | |
2593 | irelscanend = internal_relocs + o->reloc_count; | |
2594 | for (irelscan = internal_relocs; irelscan < irelscanend; irelscan++) | |
2595 | { | |
084aa3aa JR |
2596 | /* Dwarf line numbers use R_SH_SWITCH32 relocs. */ |
2597 | if (ELF32_R_TYPE (irelscan->r_info) == (int) R_SH_SWITCH32) | |
2598 | { | |
2599 | bfd_vma start, stop; | |
2600 | bfd_signed_vma voff; | |
2601 | ||
2602 | if (ocontents == NULL) | |
2603 | { | |
2604 | if (elf_section_data (o)->this_hdr.contents != NULL) | |
2605 | ocontents = elf_section_data (o)->this_hdr.contents; | |
2606 | else | |
2607 | { | |
2608 | /* We always cache the section contents. | |
067653c5 AM |
2609 | Perhaps, if info->keep_memory is false, we |
2610 | should free them, if we are permitted to, | |
2611 | when we leave sh_coff_relax_section. */ | |
084aa3aa JR |
2612 | ocontents = (bfd_byte *) bfd_malloc (o->_raw_size); |
2613 | if (ocontents == NULL) | |
2614 | return false; | |
2615 | if (! bfd_get_section_contents (abfd, o, ocontents, | |
2616 | (file_ptr) 0, | |
2617 | o->_raw_size)) | |
2618 | return false; | |
2619 | elf_section_data (o)->this_hdr.contents = ocontents; | |
2620 | } | |
2621 | } | |
2622 | ||
2623 | stop = irelscan->r_offset; | |
2624 | start | |
2625 | = (bfd_vma) ((bfd_signed_vma) stop - (long) irelscan->r_addend); | |
2626 | ||
2627 | /* STOP is in a different section, so it won't change. */ | |
2628 | if (start > addr && start < toaddr) | |
2629 | irelscan->r_addend += count; | |
2630 | ||
2631 | voff = bfd_get_signed_32 (abfd, ocontents + irelscan->r_offset); | |
2632 | stop = (bfd_vma) ((bfd_signed_vma) start + voff); | |
2633 | ||
2634 | if (start > addr | |
2635 | && start < toaddr | |
2636 | && (stop <= addr || stop >= toaddr)) | |
dc810e39 | 2637 | bfd_put_signed_32 (abfd, (bfd_vma) voff + count, |
084aa3aa JR |
2638 | ocontents + irelscan->r_offset); |
2639 | else if (stop > addr | |
2640 | && stop < toaddr | |
2641 | && (start <= addr || start >= toaddr)) | |
dc810e39 | 2642 | bfd_put_signed_32 (abfd, (bfd_vma) voff - count, |
084aa3aa JR |
2643 | ocontents + irelscan->r_offset); |
2644 | } | |
2645 | ||
252b5132 RH |
2646 | if (ELF32_R_TYPE (irelscan->r_info) != (int) R_SH_DIR32) |
2647 | continue; | |
2648 | ||
2649 | if (ELF32_R_SYM (irelscan->r_info) >= symtab_hdr->sh_info) | |
2650 | continue; | |
2651 | ||
252b5132 | 2652 | |
6cdc0ccc AM |
2653 | isym = isymbuf + ELF32_R_SYM (irelscan->r_info); |
2654 | if (isym->st_shndx == sec_shndx | |
2655 | && (isym->st_value <= addr | |
2656 | || isym->st_value >= toaddr)) | |
252b5132 RH |
2657 | { |
2658 | bfd_vma val; | |
2659 | ||
2660 | if (ocontents == NULL) | |
2661 | { | |
2662 | if (elf_section_data (o)->this_hdr.contents != NULL) | |
2663 | ocontents = elf_section_data (o)->this_hdr.contents; | |
2664 | else | |
2665 | { | |
2666 | /* We always cache the section contents. | |
067653c5 AM |
2667 | Perhaps, if info->keep_memory is false, we |
2668 | should free them, if we are permitted to, | |
2669 | when we leave sh_coff_relax_section. */ | |
252b5132 RH |
2670 | ocontents = (bfd_byte *) bfd_malloc (o->_raw_size); |
2671 | if (ocontents == NULL) | |
2672 | return false; | |
2673 | if (! bfd_get_section_contents (abfd, o, ocontents, | |
2674 | (file_ptr) 0, | |
2675 | o->_raw_size)) | |
2676 | return false; | |
2677 | elf_section_data (o)->this_hdr.contents = ocontents; | |
2678 | } | |
2679 | } | |
2680 | ||
2681 | val = bfd_get_32 (abfd, ocontents + irelscan->r_offset); | |
6cdc0ccc | 2682 | val += isym->st_value; |
252b5132 RH |
2683 | if (val > addr && val < toaddr) |
2684 | bfd_put_32 (abfd, val - count, | |
2685 | ocontents + irelscan->r_offset); | |
2686 | } | |
2687 | } | |
2688 | } | |
2689 | ||
2690 | /* Adjust the local symbols defined in this section. */ | |
6cdc0ccc AM |
2691 | isymend = isymbuf + symtab_hdr->sh_info; |
2692 | for (isym = isymbuf; isym < isymend; isym++) | |
252b5132 | 2693 | { |
6cdc0ccc AM |
2694 | if (isym->st_shndx == sec_shndx |
2695 | && isym->st_value > addr | |
2696 | && isym->st_value < toaddr) | |
2697 | isym->st_value -= count; | |
252b5132 RH |
2698 | } |
2699 | ||
2700 | /* Now adjust the global symbols defined in this section. */ | |
9ad5cbcf AM |
2701 | symcount = (symtab_hdr->sh_size / sizeof (Elf32_External_Sym) |
2702 | - symtab_hdr->sh_info); | |
2703 | sym_hashes = elf_sym_hashes (abfd); | |
2704 | end_hashes = sym_hashes + symcount; | |
2705 | for (; sym_hashes < end_hashes; sym_hashes++) | |
252b5132 | 2706 | { |
9ad5cbcf AM |
2707 | struct elf_link_hash_entry *sym_hash = *sym_hashes; |
2708 | if ((sym_hash->root.type == bfd_link_hash_defined | |
2709 | || sym_hash->root.type == bfd_link_hash_defweak) | |
2710 | && sym_hash->root.u.def.section == sec | |
2711 | && sym_hash->root.u.def.value > addr | |
2712 | && sym_hash->root.u.def.value < toaddr) | |
252b5132 | 2713 | { |
9ad5cbcf | 2714 | sym_hash->root.u.def.value -= count; |
252b5132 RH |
2715 | } |
2716 | } | |
2717 | ||
2718 | /* See if we can move the ALIGN reloc forward. We have adjusted | |
2719 | r_offset for it already. */ | |
2720 | if (irelalign != NULL) | |
2721 | { | |
2722 | bfd_vma alignto, alignaddr; | |
2723 | ||
2724 | alignto = BFD_ALIGN (toaddr, 1 << irelalign->r_addend); | |
2725 | alignaddr = BFD_ALIGN (irelalign->r_offset, | |
2726 | 1 << irelalign->r_addend); | |
2727 | if (alignto != alignaddr) | |
2728 | { | |
2729 | /* Tail recursion. */ | |
2730 | return sh_elf_relax_delete_bytes (abfd, sec, alignaddr, | |
dc810e39 | 2731 | (int) (alignto - alignaddr)); |
252b5132 RH |
2732 | } |
2733 | } | |
2734 | ||
2735 | return true; | |
2736 | } | |
2737 | ||
2738 | /* Look for loads and stores which we can align to four byte | |
2739 | boundaries. This is like sh_align_loads in coff-sh.c. */ | |
2740 | ||
2741 | static boolean | |
2742 | sh_elf_align_loads (abfd, sec, internal_relocs, contents, pswapped) | |
518313c3 | 2743 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 RH |
2744 | asection *sec; |
2745 | Elf_Internal_Rela *internal_relocs; | |
518313c3 | 2746 | bfd_byte *contents ATTRIBUTE_UNUSED; |
252b5132 RH |
2747 | boolean *pswapped; |
2748 | { | |
2749 | Elf_Internal_Rela *irel, *irelend; | |
2750 | bfd_vma *labels = NULL; | |
2751 | bfd_vma *label, *label_end; | |
dc810e39 | 2752 | bfd_size_type amt; |
252b5132 RH |
2753 | |
2754 | *pswapped = false; | |
2755 | ||
2756 | irelend = internal_relocs + sec->reloc_count; | |
2757 | ||
2758 | /* Get all the addresses with labels on them. */ | |
dc810e39 AM |
2759 | amt = sec->reloc_count; |
2760 | amt *= sizeof (bfd_vma); | |
2761 | labels = (bfd_vma *) bfd_malloc (amt); | |
252b5132 RH |
2762 | if (labels == NULL) |
2763 | goto error_return; | |
2764 | label_end = labels; | |
2765 | for (irel = internal_relocs; irel < irelend; irel++) | |
2766 | { | |
2767 | if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_LABEL) | |
2768 | { | |
2769 | *label_end = irel->r_offset; | |
2770 | ++label_end; | |
2771 | } | |
2772 | } | |
2773 | ||
2774 | /* Note that the assembler currently always outputs relocs in | |
2775 | address order. If that ever changes, this code will need to sort | |
2776 | the label values and the relocs. */ | |
2777 | ||
2778 | label = labels; | |
2779 | ||
2780 | for (irel = internal_relocs; irel < irelend; irel++) | |
2781 | { | |
2782 | bfd_vma start, stop; | |
2783 | ||
2784 | if (ELF32_R_TYPE (irel->r_info) != (int) R_SH_CODE) | |
2785 | continue; | |
2786 | ||
2787 | start = irel->r_offset; | |
2788 | ||
2789 | for (irel++; irel < irelend; irel++) | |
2790 | if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_DATA) | |
2791 | break; | |
2792 | if (irel < irelend) | |
2793 | stop = irel->r_offset; | |
2794 | else | |
2795 | stop = sec->_cooked_size; | |
2796 | ||
2797 | if (! _bfd_sh_align_load_span (abfd, sec, contents, sh_elf_swap_insns, | |
2798 | (PTR) internal_relocs, &label, | |
2799 | label_end, start, stop, pswapped)) | |
2800 | goto error_return; | |
2801 | } | |
2802 | ||
2803 | free (labels); | |
2804 | ||
2805 | return true; | |
2806 | ||
2807 | error_return: | |
2808 | if (labels != NULL) | |
2809 | free (labels); | |
2810 | return false; | |
2811 | } | |
2812 | ||
2813 | /* Swap two SH instructions. This is like sh_swap_insns in coff-sh.c. */ | |
2814 | ||
2815 | static boolean | |
2816 | sh_elf_swap_insns (abfd, sec, relocs, contents, addr) | |
2817 | bfd *abfd; | |
2818 | asection *sec; | |
2819 | PTR relocs; | |
2820 | bfd_byte *contents; | |
2821 | bfd_vma addr; | |
2822 | { | |
2823 | Elf_Internal_Rela *internal_relocs = (Elf_Internal_Rela *) relocs; | |
2824 | unsigned short i1, i2; | |
2825 | Elf_Internal_Rela *irel, *irelend; | |
2826 | ||
2827 | /* Swap the instructions themselves. */ | |
2828 | i1 = bfd_get_16 (abfd, contents + addr); | |
2829 | i2 = bfd_get_16 (abfd, contents + addr + 2); | |
dc810e39 AM |
2830 | bfd_put_16 (abfd, (bfd_vma) i2, contents + addr); |
2831 | bfd_put_16 (abfd, (bfd_vma) i1, contents + addr + 2); | |
252b5132 RH |
2832 | |
2833 | /* Adjust all reloc addresses. */ | |
2834 | irelend = internal_relocs + sec->reloc_count; | |
2835 | for (irel = internal_relocs; irel < irelend; irel++) | |
2836 | { | |
2837 | enum elf_sh_reloc_type type; | |
2838 | int add; | |
2839 | ||
2840 | /* There are a few special types of relocs that we don't want to | |
067653c5 AM |
2841 | adjust. These relocs do not apply to the instruction itself, |
2842 | but are only associated with the address. */ | |
252b5132 RH |
2843 | type = (enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info); |
2844 | if (type == R_SH_ALIGN | |
2845 | || type == R_SH_CODE | |
2846 | || type == R_SH_DATA | |
2847 | || type == R_SH_LABEL) | |
2848 | continue; | |
2849 | ||
2850 | /* If an R_SH_USES reloc points to one of the addresses being | |
067653c5 AM |
2851 | swapped, we must adjust it. It would be incorrect to do this |
2852 | for a jump, though, since we want to execute both | |
2853 | instructions after the jump. (We have avoided swapping | |
2854 | around a label, so the jump will not wind up executing an | |
2855 | instruction it shouldn't). */ | |
252b5132 RH |
2856 | if (type == R_SH_USES) |
2857 | { | |
2858 | bfd_vma off; | |
2859 | ||
2860 | off = irel->r_offset + 4 + irel->r_addend; | |
2861 | if (off == addr) | |
2862 | irel->r_offset += 2; | |
2863 | else if (off == addr + 2) | |
2864 | irel->r_offset -= 2; | |
2865 | } | |
2866 | ||
2867 | if (irel->r_offset == addr) | |
2868 | { | |
2869 | irel->r_offset += 2; | |
2870 | add = -2; | |
2871 | } | |
2872 | else if (irel->r_offset == addr + 2) | |
2873 | { | |
2874 | irel->r_offset -= 2; | |
2875 | add = 2; | |
2876 | } | |
2877 | else | |
2878 | add = 0; | |
2879 | ||
2880 | if (add != 0) | |
2881 | { | |
2882 | bfd_byte *loc; | |
2883 | unsigned short insn, oinsn; | |
2884 | boolean overflow; | |
2885 | ||
2886 | loc = contents + irel->r_offset; | |
2887 | overflow = false; | |
2888 | switch (type) | |
2889 | { | |
2890 | default: | |
2891 | break; | |
2892 | ||
2893 | case R_SH_DIR8WPN: | |
2894 | case R_SH_DIR8WPZ: | |
2895 | insn = bfd_get_16 (abfd, loc); | |
2896 | oinsn = insn; | |
2897 | insn += add / 2; | |
2898 | if ((oinsn & 0xff00) != (insn & 0xff00)) | |
2899 | overflow = true; | |
dc810e39 | 2900 | bfd_put_16 (abfd, (bfd_vma) insn, loc); |
252b5132 RH |
2901 | break; |
2902 | ||
2903 | case R_SH_IND12W: | |
2904 | insn = bfd_get_16 (abfd, loc); | |
2905 | oinsn = insn; | |
2906 | insn += add / 2; | |
2907 | if ((oinsn & 0xf000) != (insn & 0xf000)) | |
2908 | overflow = true; | |
dc810e39 | 2909 | bfd_put_16 (abfd, (bfd_vma) insn, loc); |
252b5132 RH |
2910 | break; |
2911 | ||
2912 | case R_SH_DIR8WPL: | |
2913 | /* This reloc ignores the least significant 3 bits of | |
067653c5 AM |
2914 | the program counter before adding in the offset. |
2915 | This means that if ADDR is at an even address, the | |
2916 | swap will not affect the offset. If ADDR is an at an | |
2917 | odd address, then the instruction will be crossing a | |
2918 | four byte boundary, and must be adjusted. */ | |
252b5132 RH |
2919 | if ((addr & 3) != 0) |
2920 | { | |
2921 | insn = bfd_get_16 (abfd, loc); | |
2922 | oinsn = insn; | |
2923 | insn += add / 2; | |
2924 | if ((oinsn & 0xff00) != (insn & 0xff00)) | |
2925 | overflow = true; | |
dc810e39 | 2926 | bfd_put_16 (abfd, (bfd_vma) insn, loc); |
252b5132 RH |
2927 | } |
2928 | ||
2929 | break; | |
2930 | } | |
2931 | ||
2932 | if (overflow) | |
2933 | { | |
2934 | ((*_bfd_error_handler) | |
2935 | (_("%s: 0x%lx: fatal: reloc overflow while relaxing"), | |
8f615d07 | 2936 | bfd_archive_filename (abfd), (unsigned long) irel->r_offset)); |
252b5132 RH |
2937 | bfd_set_error (bfd_error_bad_value); |
2938 | return false; | |
2939 | } | |
2940 | } | |
2941 | } | |
2942 | ||
2943 | return true; | |
2944 | } | |
2945 | \f | |
fbca6ad9 AO |
2946 | #ifdef INCLUDE_SHMEDIA |
2947 | ||
2948 | /* The size in bytes of an entry in the procedure linkage table. */ | |
2949 | ||
2950 | #define PLT_ENTRY_SIZE 64 | |
2951 | ||
2952 | /* First entry in an absolute procedure linkage table look like this. */ | |
2953 | ||
2954 | static const bfd_byte elf_sh_plt0_entry_be[PLT_ENTRY_SIZE] = | |
2955 | { | |
2956 | 0xcc, 0x00, 0x01, 0x10, /* movi .got.plt >> 16, r17 */ | |
2957 | 0xc8, 0x00, 0x01, 0x10, /* shori .got.plt & 65535, r17 */ | |
2958 | 0x89, 0x10, 0x09, 0x90, /* ld.l r17, 8, r25 */ | |
c8614e8e | 2959 | 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */ |
fbca6ad9 AO |
2960 | 0x89, 0x10, 0x05, 0x10, /* ld.l r17, 4, r17 */ |
2961 | 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */ | |
2962 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
2963 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
2964 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
2965 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
2966 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
2967 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
2968 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
2969 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
2970 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
2971 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
2972 | }; | |
2973 | ||
2974 | static const bfd_byte elf_sh_plt0_entry_le[PLT_ENTRY_SIZE] = | |
2975 | { | |
2976 | 0x10, 0x01, 0x00, 0xcc, /* movi .got.plt >> 16, r17 */ | |
2977 | 0x10, 0x01, 0x00, 0xc8, /* shori .got.plt & 65535, r17 */ | |
2978 | 0x90, 0x09, 0x10, 0x89, /* ld.l r17, 8, r25 */ | |
c8614e8e | 2979 | 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */ |
fbca6ad9 AO |
2980 | 0x10, 0x05, 0x10, 0x89, /* ld.l r17, 4, r17 */ |
2981 | 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */ | |
2982 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
2983 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
2984 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
2985 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
2986 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
2987 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
2988 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
2989 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
2990 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
2991 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
2992 | }; | |
2993 | ||
2994 | /* Sebsequent entries in an absolute procedure linkage table look like | |
2995 | this. */ | |
2996 | ||
2997 | static const bfd_byte elf_sh_plt_entry_be[PLT_ENTRY_SIZE] = | |
2998 | { | |
2999 | 0xcc, 0x00, 0x01, 0x90, /* movi nameN-in-GOT >> 16, r25 */ | |
3000 | 0xc8, 0x00, 0x01, 0x90, /* shori nameN-in-GOT & 65535, r25 */ | |
3001 | 0x89, 0x90, 0x01, 0x90, /* ld.l r25, 0, r25 */ | |
3002 | 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */ | |
3003 | 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */ | |
3004 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
3005 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
3006 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
3007 | 0xcc, 0x00, 0x01, 0x90, /* movi .PLT0 >> 16, r25 */ | |
3008 | 0xc8, 0x00, 0x01, 0x90, /* shori .PLT0 & 65535, r25 */ | |
3009 | 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */ | |
3010 | 0xcc, 0x00, 0x01, 0x50, /* movi reloc-offset >> 16, r21 */ | |
3011 | 0xc8, 0x00, 0x01, 0x50, /* shori reloc-offset & 65535, r21 */ | |
3012 | 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */ | |
3013 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
3014 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
3015 | }; | |
3016 | ||
3017 | static const bfd_byte elf_sh_plt_entry_le[PLT_ENTRY_SIZE] = | |
3018 | { | |
3019 | 0x90, 0x01, 0x00, 0xcc, /* movi nameN-in-GOT >> 16, r25 */ | |
3020 | 0x90, 0x01, 0x00, 0xc8, /* shori nameN-in-GOT & 65535, r25 */ | |
3021 | 0x90, 0x01, 0x90, 0x89, /* ld.l r25, 0, r25 */ | |
3022 | 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */ | |
3023 | 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */ | |
3024 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
3025 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
3026 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
3027 | 0x90, 0x01, 0x00, 0xcc, /* movi .PLT0 >> 16, r25 */ | |
3028 | 0x90, 0x01, 0x00, 0xc8, /* shori .PLT0 & 65535, r25 */ | |
3029 | 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */ | |
3030 | 0x50, 0x01, 0x00, 0xcc, /* movi reloc-offset >> 16, r21 */ | |
3031 | 0x50, 0x01, 0x00, 0xc8, /* shori reloc-offset & 65535, r21 */ | |
3032 | 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */ | |
3033 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
3034 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
3035 | }; | |
3036 | ||
3037 | /* Entries in a PIC procedure linkage table look like this. */ | |
3038 | ||
3039 | static const bfd_byte elf_sh_pic_plt_entry_be[PLT_ENTRY_SIZE] = | |
3040 | { | |
3041 | 0xcc, 0x00, 0x01, 0x90, /* movi nameN@GOT >> 16, r25 */ | |
3042 | 0xc8, 0x00, 0x01, 0x90, /* shori nameN@GOT & 65535, r25 */ | |
3043 | 0x40, 0xc2, 0x65, 0x90, /* ldx.l r12, r25, r25 */ | |
3044 | 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */ | |
3045 | 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */ | |
3046 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
3047 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
3048 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
3049 | 0xce, 0x00, 0x01, 0x10, /* movi -GOT_BIAS, r17 */ | |
3050 | 0x00, 0xca, 0x45, 0x10, /* sub.l r12, r17, r17 */ | |
3051 | 0x89, 0x10, 0x09, 0x90, /* ld.l r17, 8, r25 */ | |
3052 | 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */ | |
3053 | 0x89, 0x10, 0x05, 0x10, /* ld.l r17, 4, r17 */ | |
3054 | 0xcc, 0x00, 0x01, 0x50, /* movi reloc-offset >> 16, r21 */ | |
3055 | 0xc8, 0x00, 0x01, 0x50, /* shori reloc-offset & 65535, r21 */ | |
3056 | 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */ | |
3057 | }; | |
3058 | ||
3059 | static const bfd_byte elf_sh_pic_plt_entry_le[PLT_ENTRY_SIZE] = | |
3060 | { | |
3061 | 0x90, 0x01, 0x00, 0xcc, /* movi nameN@GOT >> 16, r25 */ | |
3062 | 0x90, 0x01, 0x00, 0xc8, /* shori nameN@GOT & 65535, r25 */ | |
3063 | 0x90, 0x65, 0xc2, 0x40, /* ldx.l r12, r25, r25 */ | |
3064 | 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */ | |
3065 | 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */ | |
3066 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
3067 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
3068 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
3069 | 0x10, 0x01, 0x00, 0xce, /* movi -GOT_BIAS, r17 */ | |
3070 | 0x10, 0x45, 0xca, 0x00, /* sub.l r12, r17, r17 */ | |
3071 | 0x90, 0x09, 0x10, 0x89, /* ld.l r17, 8, r25 */ | |
3072 | 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */ | |
3073 | 0x10, 0x05, 0x10, 0x89, /* ld.l r17, 4, r17 */ | |
3074 | 0x50, 0x01, 0x00, 0xcc, /* movi reloc-offset >> 16, r21 */ | |
3075 | 0x50, 0x01, 0x00, 0xc8, /* shori reloc-offset & 65535, r21 */ | |
3076 | 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */ | |
3077 | }; | |
3078 | ||
3079 | static const bfd_byte *elf_sh_plt0_entry; | |
3080 | static const bfd_byte *elf_sh_plt_entry; | |
3081 | static const bfd_byte *elf_sh_pic_plt_entry; | |
3082 | ||
3083 | /* Return size of a PLT entry. */ | |
3084 | #define elf_sh_sizeof_plt(info) PLT_ENTRY_SIZE | |
3085 | ||
3086 | /* Return offset of the PLT0 address in an absolute PLT entry. */ | |
3087 | #define elf_sh_plt_plt0_offset(info) 32 | |
3088 | ||
3089 | /* Return offset of the linker in PLT0 entry. */ | |
3090 | #define elf_sh_plt0_gotplt_offset(info) 0 | |
3091 | ||
3092 | /* Return offset of the trampoline in PLT entry */ | |
3093 | #define elf_sh_plt_temp_offset(info) 33 /* Add one because it's SHmedia. */ | |
3094 | ||
3095 | /* Return offset of the symbol in PLT entry. */ | |
3096 | #define elf_sh_plt_symbol_offset(info) 0 | |
3097 | ||
3098 | /* Return offset of the relocation in PLT entry. */ | |
3099 | #define elf_sh_plt_reloc_offset(info) (info->shared ? 52 : 44) | |
3100 | ||
3101 | inline static void | |
3102 | movi_shori_putval (output_bfd, value, addr) | |
3103 | bfd *output_bfd; | |
3104 | unsigned long value; | |
3105 | char *addr; | |
3106 | { | |
3107 | bfd_put_32 (output_bfd, | |
3108 | bfd_get_32 (output_bfd, addr) | |
3109 | | ((value >> 6) & 0x3fffc00), | |
3110 | addr); | |
3111 | bfd_put_32 (output_bfd, | |
3112 | bfd_get_32 (output_bfd, addr + 4) | |
3113 | | ((value << 10) & 0x3fffc00), | |
3114 | addr + 4); | |
3115 | } | |
3116 | ||
3117 | #else | |
37c644f2 | 3118 | /* The size in bytes of an entry in the procedure linkage table. */ |
252b5132 | 3119 | |
37c644f2 AO |
3120 | #define PLT_ENTRY_SIZE 28 |
3121 | ||
3122 | /* First entry in an absolute procedure linkage table look like this. */ | |
3123 | ||
6c426cf3 NC |
3124 | #if 1 |
3125 | /* Note - this code has been "optimised" not to use r2. r2 is used by | |
3126 | GCC to return the address of large strutcures, so it should not be | |
3127 | corrupted here. This does mean however, that this PLT does not conform | |
3128 | to the SH PIC ABI. That spec says that r0 contains the type of the PLT | |
3129 | and r2 contains the GOT id. This version stores the GOT id in r0 and | |
3130 | ignores the type. Loaders can easily detect this difference however, | |
3131 | since the type will always be 0 or 8, and the GOT ids will always be | |
3132 | greater than or equal to 12. */ | |
3133 | static const bfd_byte elf_sh_plt0_entry_be[PLT_ENTRY_SIZE] = | |
3134 | { | |
3135 | 0xd0, 0x05, /* mov.l 2f,r0 */ | |
3136 | 0x60, 0x02, /* mov.l @r0,r0 */ | |
3137 | 0x2f, 0x06, /* mov.l r0,@-r15 */ | |
3138 | 0xd0, 0x03, /* mov.l 1f,r0 */ | |
3139 | 0x60, 0x02, /* mov.l @r0,r0 */ | |
3140 | 0x40, 0x2b, /* jmp @r0 */ | |
3141 | 0x60, 0xf6, /* mov.l @r15+,r0 */ | |
3142 | 0x00, 0x09, /* nop */ | |
3143 | 0x00, 0x09, /* nop */ | |
3144 | 0x00, 0x09, /* nop */ | |
3145 | 0, 0, 0, 0, /* 1: replaced with address of .got.plt + 8. */ | |
3146 | 0, 0, 0, 0, /* 2: replaced with address of .got.plt + 4. */ | |
3147 | }; | |
3148 | ||
3149 | static const bfd_byte elf_sh_plt0_entry_le[PLT_ENTRY_SIZE] = | |
3150 | { | |
3151 | 0x05, 0xd0, /* mov.l 2f,r0 */ | |
3152 | 0x02, 0x60, /* mov.l @r0,r0 */ | |
3153 | 0x06, 0x2f, /* mov.l r0,@-r15 */ | |
3154 | 0x03, 0xd0, /* mov.l 1f,r0 */ | |
3155 | 0x02, 0x60, /* mov.l @r0,r0 */ | |
3156 | 0x2b, 0x40, /* jmp @r0 */ | |
3157 | 0xf6, 0x60, /* mov.l @r15+,r0 */ | |
3158 | 0x09, 0x00, /* nop */ | |
3159 | 0x09, 0x00, /* nop */ | |
3160 | 0x09, 0x00, /* nop */ | |
3161 | 0, 0, 0, 0, /* 1: replaced with address of .got.plt + 8. */ | |
3162 | 0, 0, 0, 0, /* 2: replaced with address of .got.plt + 4. */ | |
3163 | }; | |
3164 | ||
3165 | /* Sebsequent entries in an absolute procedure linkage table look like | |
3166 | this. */ | |
3167 | ||
3168 | static const bfd_byte elf_sh_plt_entry_be[PLT_ENTRY_SIZE] = | |
3169 | { | |
3170 | 0xd0, 0x04, /* mov.l 1f,r0 */ | |
3171 | 0x60, 0x02, /* mov.l @r0,r0 */ | |
3172 | 0xd1, 0x02, /* mov.l 0f,r1 */ | |
3173 | 0x40, 0x2b, /* jmp @r0 */ | |
3174 | 0x60, 0x13, /* mov r1,r0 */ | |
3175 | 0xd1, 0x03, /* mov.l 2f,r1 */ | |
3176 | 0x40, 0x2b, /* jmp @r0 */ | |
3177 | 0x00, 0x09, /* nop */ | |
3178 | 0, 0, 0, 0, /* 0: replaced with address of .PLT0. */ | |
3179 | 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */ | |
3180 | 0, 0, 0, 0, /* 2: replaced with offset into relocation table. */ | |
3181 | }; | |
3182 | ||
3183 | static const bfd_byte elf_sh_plt_entry_le[PLT_ENTRY_SIZE] = | |
3184 | { | |
3185 | 0x04, 0xd0, /* mov.l 1f,r0 */ | |
3186 | 0x02, 0x60, /* mov.l @r0,r0 */ | |
3187 | 0x02, 0xd1, /* mov.l 0f,r1 */ | |
3188 | 0x2b, 0x40, /* jmp @r0 */ | |
3189 | 0x13, 0x60, /* mov r1,r0 */ | |
3190 | 0x03, 0xd1, /* mov.l 2f,r1 */ | |
3191 | 0x2b, 0x40, /* jmp @r0 */ | |
3192 | 0x09, 0x00, /* nop */ | |
3193 | 0, 0, 0, 0, /* 0: replaced with address of .PLT0. */ | |
3194 | 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */ | |
3195 | 0, 0, 0, 0, /* 2: replaced with offset into relocation table. */ | |
3196 | }; | |
3197 | ||
3198 | /* Entries in a PIC procedure linkage table look like this. */ | |
3199 | ||
3200 | static const bfd_byte elf_sh_pic_plt_entry_be[PLT_ENTRY_SIZE] = | |
3201 | { | |
3202 | 0xd0, 0x04, /* mov.l 1f,r0 */ | |
3203 | 0x00, 0xce, /* mov.l @(r0,r12),r0 */ | |
3204 | 0x40, 0x2b, /* jmp @r0 */ | |
3205 | 0x00, 0x09, /* nop */ | |
3206 | 0x50, 0xc2, /* mov.l @(8,r12),r0 */ | |
3207 | 0xd1, 0x03, /* mov.l 2f,r1 */ | |
3208 | 0x40, 0x2b, /* jmp @r0 */ | |
3209 | 0x50, 0xc1, /* mov.l @(4,r12),r0 */ | |
3210 | 0x00, 0x09, /* nop */ | |
3211 | 0x00, 0x09, /* nop */ | |
3212 | 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */ | |
3213 | 0, 0, 0, 0 /* 2: replaced with offset into relocation table. */ | |
3214 | }; | |
3215 | ||
3216 | static const bfd_byte elf_sh_pic_plt_entry_le[PLT_ENTRY_SIZE] = | |
3217 | { | |
3218 | 0x04, 0xd0, /* mov.l 1f,r0 */ | |
3219 | 0xce, 0x00, /* mov.l @(r0,r12),r0 */ | |
3220 | 0x2b, 0x40, /* jmp @r0 */ | |
3221 | 0x09, 0x00, /* nop */ | |
3222 | 0xc2, 0x50, /* mov.l @(8,r12),r0 */ | |
3223 | 0x03, 0xd1, /* mov.l 2f,r1 */ | |
3224 | 0x2b, 0x40, /* jmp @r0 */ | |
3225 | 0xc1, 0x50, /* mov.l @(4,r12),r0 */ | |
3226 | 0x09, 0x00, /* nop */ | |
3227 | 0x09, 0x00, /* nop */ | |
3228 | 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */ | |
3229 | 0, 0, 0, 0 /* 2: replaced with offset into relocation table. */ | |
3230 | }; | |
3231 | ||
3232 | #else /* These are the old style PLT entries. */ | |
38b1a46c NC |
3233 | static const bfd_byte elf_sh_plt0_entry_be[PLT_ENTRY_SIZE] = |
3234 | { | |
37c644f2 AO |
3235 | 0xd0, 0x04, /* mov.l 1f,r0 */ |
3236 | 0xd2, 0x05, /* mov.l 2f,r2 */ | |
3237 | 0x60, 0x02, /* mov.l @r0,r0 */ | |
3238 | 0x62, 0x22, /* mov.l @r2,r2 */ | |
3239 | 0x40, 0x2b, /* jmp @r0 */ | |
3240 | 0xe0, 0x00, /* mov #0,r0 */ | |
3241 | 0x00, 0x09, /* nop */ | |
3242 | 0x00, 0x09, /* nop */ | |
3243 | 0x00, 0x09, /* nop */ | |
3244 | 0x00, 0x09, /* nop */ | |
3245 | 0, 0, 0, 0, /* 1: replaced with address of .got.plt + 8. */ | |
3246 | 0, 0, 0, 0, /* 2: replaced with address of .got.plt + 4. */ | |
3247 | }; | |
252b5132 | 3248 | |
38b1a46c NC |
3249 | static const bfd_byte elf_sh_plt0_entry_le[PLT_ENTRY_SIZE] = |
3250 | { | |
37c644f2 AO |
3251 | 0x04, 0xd0, /* mov.l 1f,r0 */ |
3252 | 0x05, 0xd2, /* mov.l 2f,r2 */ | |
3253 | 0x02, 0x60, /* mov.l @r0,r0 */ | |
3254 | 0x22, 0x62, /* mov.l @r2,r2 */ | |
3255 | 0x2b, 0x40, /* jmp @r0 */ | |
3256 | 0x00, 0xe0, /* mov #0,r0 */ | |
3257 | 0x09, 0x00, /* nop */ | |
3258 | 0x09, 0x00, /* nop */ | |
3259 | 0x09, 0x00, /* nop */ | |
3260 | 0x09, 0x00, /* nop */ | |
3261 | 0, 0, 0, 0, /* 1: replaced with address of .got.plt + 8. */ | |
3262 | 0, 0, 0, 0, /* 2: replaced with address of .got.plt + 4. */ | |
3263 | }; | |
252b5132 | 3264 | |
37c644f2 AO |
3265 | /* Sebsequent entries in an absolute procedure linkage table look like |
3266 | this. */ | |
252b5132 | 3267 | |
38b1a46c NC |
3268 | static const bfd_byte elf_sh_plt_entry_be[PLT_ENTRY_SIZE] = |
3269 | { | |
37c644f2 AO |
3270 | 0xd0, 0x04, /* mov.l 1f,r0 */ |
3271 | 0x60, 0x02, /* mov.l @r0,r0 */ | |
3272 | 0xd2, 0x02, /* mov.l 0f,r2 */ | |
3273 | 0x40, 0x2b, /* jmp @r0 */ | |
3274 | 0x60, 0x23, /* mov r2,r0 */ | |
3275 | 0xd1, 0x03, /* mov.l 2f,r1 */ | |
3276 | 0x40, 0x2b, /* jmp @r0 */ | |
3277 | 0x00, 0x09, /* nop */ | |
3278 | 0, 0, 0, 0, /* 0: replaced with address of .PLT0. */ | |
3279 | 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */ | |
3280 | 0, 0, 0, 0, /* 2: replaced with offset into relocation table. */ | |
3281 | }; | |
252b5132 | 3282 | |
38b1a46c NC |
3283 | static const bfd_byte elf_sh_plt_entry_le[PLT_ENTRY_SIZE] = |
3284 | { | |
37c644f2 AO |
3285 | 0x04, 0xd0, /* mov.l 1f,r0 */ |
3286 | 0x02, 0x60, /* mov.l @r0,r0 */ | |
3287 | 0x02, 0xd2, /* mov.l 0f,r2 */ | |
3288 | 0x2b, 0x40, /* jmp @r0 */ | |
3289 | 0x23, 0x60, /* mov r2,r0 */ | |
3290 | 0x03, 0xd1, /* mov.l 2f,r1 */ | |
3291 | 0x2b, 0x40, /* jmp @r0 */ | |
3292 | 0x09, 0x00, /* nop */ | |
3293 | 0, 0, 0, 0, /* 0: replaced with address of .PLT. */ | |
3294 | 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */ | |
3295 | 0, 0, 0, 0, /* 2: replaced with offset into relocation table. */ | |
3296 | }; | |
252b5132 | 3297 | |
37c644f2 | 3298 | /* Entries in a PIC procedure linkage table look like this. */ |
252b5132 | 3299 | |
38b1a46c NC |
3300 | static const bfd_byte elf_sh_pic_plt_entry_be[PLT_ENTRY_SIZE] = |
3301 | { | |
37c644f2 AO |
3302 | 0xd0, 0x04, /* mov.l 1f,r0 */ |
3303 | 0x00, 0xce, /* mov.l @(r0,r12),r0 */ | |
3304 | 0x40, 0x2b, /* jmp @r0 */ | |
3305 | 0x00, 0x09, /* nop */ | |
3306 | 0x50, 0xc2, /* 0: mov.l @(8,r12),r0 */ | |
3307 | 0x52, 0xc1, /* 1: mov.l @(4,r12),r2 */ | |
3308 | 0xd1, 0x02, /* mov.l 2f,r1 */ | |
3309 | 0x40, 0x2b, /* jmp @r0 */ | |
3310 | 0xe0, 0x00, /* mov #0,r0 ! shows the type of PLT. */ | |
3311 | 0x00, 0x09, /* nop */ | |
3312 | 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */ | |
3313 | 0, 0, 0, 0 /* 2: replaced with offset into relocation table. */ | |
3314 | }; | |
252b5132 | 3315 | |
38b1a46c NC |
3316 | static const bfd_byte elf_sh_pic_plt_entry_le[PLT_ENTRY_SIZE] = |
3317 | { | |
37c644f2 AO |
3318 | 0x04, 0xd0, /* mov.l 1f,r0 */ |
3319 | 0xce, 0x00, /* mov.l @(r0,r12),r0 */ | |
3320 | 0x2b, 0x40, /* jmp @r0 */ | |
3321 | 0x09, 0x00, /* nop */ | |
3322 | 0xc2, 0x50, /* 0: mov.l @(8,r12),r0 */ | |
3323 | 0xc1, 0x52, /* 1: mov.l @(4,r12),r2 */ | |
3324 | 0x02, 0xd1, /* mov.l 2f,r1 */ | |
3325 | 0x2b, 0x40, /* jmp @r0 */ | |
3326 | 0x00, 0xe0, /* mov #0,r0 ! shows the type of PLT. */ | |
3327 | 0x09, 0x00, /* nop */ | |
3328 | 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */ | |
3329 | 0, 0, 0, 0 /* 2: replaced with offset into relocation table. */ | |
3330 | }; | |
6c426cf3 | 3331 | #endif /* old style PLT entries. */ |
252b5132 | 3332 | |
37c644f2 AO |
3333 | static const bfd_byte *elf_sh_plt0_entry; |
3334 | static const bfd_byte *elf_sh_plt_entry; | |
3335 | static const bfd_byte *elf_sh_pic_plt_entry; | |
252b5132 | 3336 | |
37c644f2 AO |
3337 | /* Return size of a PLT entry. */ |
3338 | #define elf_sh_sizeof_plt(info) PLT_ENTRY_SIZE | |
252b5132 | 3339 | |
37c644f2 AO |
3340 | /* Return offset of the PLT0 address in an absolute PLT entry. */ |
3341 | #define elf_sh_plt_plt0_offset(info) 16 | |
252b5132 | 3342 | |
37c644f2 AO |
3343 | /* Return offset of the linker in PLT0 entry. */ |
3344 | #define elf_sh_plt0_linker_offset(info) 20 | |
9bdafcce | 3345 | |
37c644f2 AO |
3346 | /* Return offset of the GOT id in PLT0 entry. */ |
3347 | #define elf_sh_plt0_gotid_offset(info) 24 | |
9bdafcce | 3348 | |
37c644f2 AO |
3349 | /* Return offset of the tempoline in PLT entry */ |
3350 | #define elf_sh_plt_temp_offset(info) 8 | |
9bdafcce | 3351 | |
37c644f2 AO |
3352 | /* Return offset of the symbol in PLT entry. */ |
3353 | #define elf_sh_plt_symbol_offset(info) 20 | |
9bdafcce | 3354 | |
37c644f2 AO |
3355 | /* Return offset of the relocation in PLT entry. */ |
3356 | #define elf_sh_plt_reloc_offset(info) 24 | |
fbca6ad9 | 3357 | #endif |
015551fc | 3358 | |
37c644f2 | 3359 | /* The sh linker needs to keep track of the number of relocs that it |
067653c5 AM |
3360 | decides to copy as dynamic relocs in check_relocs for each symbol. |
3361 | This is so that it can later discard them if they are found to be | |
3362 | unnecessary. We store the information in a field extending the | |
3363 | regular ELF linker hash table. */ | |
252b5132 | 3364 | |
067653c5 | 3365 | struct elf_sh_dyn_relocs |
38b1a46c | 3366 | { |
067653c5 AM |
3367 | struct elf_sh_dyn_relocs *next; |
3368 | ||
3369 | /* The input section of the reloc. */ | |
3370 | asection *sec; | |
3371 | ||
3372 | /* Total number of relocs copied for the input section. */ | |
37c644f2 | 3373 | bfd_size_type count; |
067653c5 AM |
3374 | |
3375 | /* Number of pc-relative relocs copied for the input section. */ | |
3376 | bfd_size_type pc_count; | |
37c644f2 | 3377 | }; |
252b5132 | 3378 | |
37c644f2 AO |
3379 | /* sh ELF linker hash entry. */ |
3380 | ||
38b1a46c NC |
3381 | struct elf_sh_link_hash_entry |
3382 | { | |
37c644f2 AO |
3383 | struct elf_link_hash_entry root; |
3384 | ||
fbca6ad9 AO |
3385 | #ifdef INCLUDE_SHMEDIA |
3386 | bfd_vma datalabel_got_offset; | |
3387 | #endif | |
3388 | ||
067653c5 AM |
3389 | /* Track dynamic relocs copied for this symbol. */ |
3390 | struct elf_sh_dyn_relocs *dyn_relocs; | |
37c644f2 AO |
3391 | }; |
3392 | ||
3393 | /* sh ELF linker hash table. */ | |
3394 | ||
38b1a46c NC |
3395 | struct elf_sh_link_hash_table |
3396 | { | |
37c644f2 | 3397 | struct elf_link_hash_table root; |
37c644f2 | 3398 | |
067653c5 AM |
3399 | /* Short-cuts to get to dynamic linker sections. */ |
3400 | asection *sgot; | |
3401 | asection *sgotplt; | |
3402 | asection *srelgot; | |
3403 | asection *splt; | |
3404 | asection *srelplt; | |
3405 | asection *sdynbss; | |
3406 | asection *srelbss; | |
37c644f2 | 3407 | |
067653c5 AM |
3408 | /* Small local sym to section mapping cache. */ |
3409 | struct sym_sec_cache sym_sec; | |
3410 | }; | |
37c644f2 AO |
3411 | |
3412 | /* Traverse an sh ELF linker hash table. */ | |
3413 | ||
3414 | #define sh_elf_link_hash_traverse(table, func, info) \ | |
3415 | (elf_link_hash_traverse \ | |
3416 | (&(table)->root, \ | |
3417 | (boolean (*) PARAMS ((struct elf_link_hash_entry *, PTR))) (func), \ | |
3418 | (info))) | |
3419 | ||
3420 | /* Get the sh ELF linker hash table from a link_info structure. */ | |
3421 | ||
3422 | #define sh_elf_hash_table(p) \ | |
3423 | ((struct elf_sh_link_hash_table *) ((p)->hash)) | |
3424 | ||
3425 | /* Create an entry in an sh ELF linker hash table. */ | |
3426 | ||
3427 | static struct bfd_hash_entry * | |
3428 | sh_elf_link_hash_newfunc (entry, table, string) | |
3429 | struct bfd_hash_entry *entry; | |
3430 | struct bfd_hash_table *table; | |
3431 | const char *string; | |
3432 | { | |
3433 | struct elf_sh_link_hash_entry *ret = | |
3434 | (struct elf_sh_link_hash_entry *) entry; | |
3435 | ||
3436 | /* Allocate the structure if it has not already been allocated by a | |
3437 | subclass. */ | |
3438 | if (ret == (struct elf_sh_link_hash_entry *) NULL) | |
3439 | ret = ((struct elf_sh_link_hash_entry *) | |
3440 | bfd_hash_allocate (table, | |
3441 | sizeof (struct elf_sh_link_hash_entry))); | |
3442 | if (ret == (struct elf_sh_link_hash_entry *) NULL) | |
3443 | return (struct bfd_hash_entry *) ret; | |
3444 | ||
3445 | /* Call the allocation method of the superclass. */ | |
3446 | ret = ((struct elf_sh_link_hash_entry *) | |
3447 | _bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret, | |
3448 | table, string)); | |
3449 | if (ret != (struct elf_sh_link_hash_entry *) NULL) | |
3450 | { | |
067653c5 AM |
3451 | struct elf_sh_link_hash_entry *eh; |
3452 | ||
3453 | eh = (struct elf_sh_link_hash_entry *) ret; | |
3454 | eh->dyn_relocs = NULL; | |
fbca6ad9 AO |
3455 | #ifdef INCLUDE_SHMEDIA |
3456 | ret->datalabel_got_offset = (bfd_vma) -1; | |
3457 | #endif | |
37c644f2 AO |
3458 | } |
3459 | ||
3460 | return (struct bfd_hash_entry *) ret; | |
3461 | } | |
3462 | ||
3463 | /* Create an sh ELF linker hash table. */ | |
3464 | ||
3465 | static struct bfd_link_hash_table * | |
3466 | sh_elf_link_hash_table_create (abfd) | |
3467 | bfd *abfd; | |
3468 | { | |
3469 | struct elf_sh_link_hash_table *ret; | |
dc810e39 | 3470 | bfd_size_type amt = sizeof (struct elf_sh_link_hash_table); |
37c644f2 | 3471 | |
e2d34d7d | 3472 | ret = (struct elf_sh_link_hash_table *) bfd_malloc (amt); |
37c644f2 AO |
3473 | if (ret == (struct elf_sh_link_hash_table *) NULL) |
3474 | return NULL; | |
3475 | ||
3476 | if (! _bfd_elf_link_hash_table_init (&ret->root, abfd, | |
3477 | sh_elf_link_hash_newfunc)) | |
3478 | { | |
e2d34d7d | 3479 | free (ret); |
37c644f2 AO |
3480 | return NULL; |
3481 | } | |
3482 | ||
067653c5 AM |
3483 | ret->sgot = NULL; |
3484 | ret->sgotplt = NULL; | |
3485 | ret->srelgot = NULL; | |
3486 | ret->splt = NULL; | |
3487 | ret->srelplt = NULL; | |
3488 | ret->sdynbss = NULL; | |
3489 | ret->srelbss = NULL; | |
3490 | ret->sym_sec.abfd = NULL; | |
3491 | ||
37c644f2 AO |
3492 | return &ret->root.root; |
3493 | } | |
3494 | ||
067653c5 AM |
3495 | /* Create .got, .gotplt, and .rela.got sections in DYNOBJ, and set up |
3496 | shortcuts to them in our hash table. */ | |
3497 | ||
3498 | static boolean | |
3499 | create_got_section (dynobj, info) | |
3500 | bfd *dynobj; | |
3501 | struct bfd_link_info *info; | |
3502 | { | |
3503 | struct elf_sh_link_hash_table *htab; | |
3504 | ||
3505 | if (! _bfd_elf_create_got_section (dynobj, info)) | |
3506 | return false; | |
3507 | ||
3508 | htab = sh_elf_hash_table (info); | |
3509 | htab->sgot = bfd_get_section_by_name (dynobj, ".got"); | |
3510 | htab->sgotplt = bfd_get_section_by_name (dynobj, ".got.plt"); | |
3511 | if (! htab->sgot || ! htab->sgotplt) | |
3512 | abort (); | |
3513 | ||
3514 | htab->srelgot = bfd_make_section (dynobj, ".rela.got"); | |
3515 | if (htab->srelgot == NULL | |
3516 | || ! bfd_set_section_flags (dynobj, htab->srelgot, | |
3517 | (SEC_ALLOC | |
3518 | | SEC_LOAD | |
3519 | | SEC_HAS_CONTENTS | |
3520 | | SEC_IN_MEMORY | |
3521 | | SEC_LINKER_CREATED | |
3522 | | SEC_READONLY)) | |
3523 | || ! bfd_set_section_alignment (dynobj, htab->srelgot, 2)) | |
3524 | return false; | |
3525 | return true; | |
3526 | } | |
3527 | ||
37c644f2 AO |
3528 | /* Create dynamic sections when linking against a dynamic object. */ |
3529 | ||
3530 | static boolean | |
3531 | sh_elf_create_dynamic_sections (abfd, info) | |
3532 | bfd *abfd; | |
3533 | struct bfd_link_info *info; | |
3534 | { | |
067653c5 | 3535 | struct elf_sh_link_hash_table *htab; |
37c644f2 AO |
3536 | flagword flags, pltflags; |
3537 | register asection *s; | |
3538 | struct elf_backend_data *bed = get_elf_backend_data (abfd); | |
3539 | int ptralign = 0; | |
3540 | ||
3541 | switch (bed->s->arch_size) | |
3542 | { | |
3543 | case 32: | |
3544 | ptralign = 2; | |
3545 | break; | |
3546 | ||
3547 | case 64: | |
3548 | ptralign = 3; | |
3549 | break; | |
3550 | ||
3551 | default: | |
3552 | bfd_set_error (bfd_error_bad_value); | |
3553 | return false; | |
3554 | } | |
3555 | ||
067653c5 AM |
3556 | htab = sh_elf_hash_table (info); |
3557 | ||
37c644f2 AO |
3558 | /* We need to create .plt, .rel[a].plt, .got, .got.plt, .dynbss, and |
3559 | .rel[a].bss sections. */ | |
3560 | ||
3561 | flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY | |
3562 | | SEC_LINKER_CREATED); | |
3563 | ||
3564 | pltflags = flags; | |
3565 | pltflags |= SEC_CODE; | |
3566 | if (bed->plt_not_loaded) | |
3567 | pltflags &= ~ (SEC_LOAD | SEC_HAS_CONTENTS); | |
3568 | if (bed->plt_readonly) | |
3569 | pltflags |= SEC_READONLY; | |
3570 | ||
3571 | s = bfd_make_section (abfd, ".plt"); | |
067653c5 | 3572 | htab->splt = s; |
37c644f2 AO |
3573 | if (s == NULL |
3574 | || ! bfd_set_section_flags (abfd, s, pltflags) | |
3575 | || ! bfd_set_section_alignment (abfd, s, bed->plt_alignment)) | |
3576 | return false; | |
3577 | ||
3578 | if (bed->want_plt_sym) | |
3579 | { | |
3580 | /* Define the symbol _PROCEDURE_LINKAGE_TABLE_ at the start of the | |
3581 | .plt section. */ | |
3582 | struct elf_link_hash_entry *h = NULL; | |
3583 | if (! (_bfd_generic_link_add_one_symbol | |
3584 | (info, abfd, "_PROCEDURE_LINKAGE_TABLE_", BSF_GLOBAL, s, | |
3585 | (bfd_vma) 0, (const char *) NULL, false, | |
3586 | get_elf_backend_data (abfd)->collect, | |
3587 | (struct bfd_link_hash_entry **) &h))) | |
3588 | return false; | |
3589 | h->elf_link_hash_flags |= ELF_LINK_HASH_DEF_REGULAR; | |
3590 | h->type = STT_OBJECT; | |
3591 | ||
3592 | if (info->shared | |
3593 | && ! _bfd_elf_link_record_dynamic_symbol (info, h)) | |
3594 | return false; | |
3595 | } | |
3596 | ||
435b1e90 | 3597 | s = bfd_make_section (abfd, |
37c644f2 | 3598 | bed->default_use_rela_p ? ".rela.plt" : ".rel.plt"); |
067653c5 | 3599 | htab->srelplt = s; |
37c644f2 AO |
3600 | if (s == NULL |
3601 | || ! bfd_set_section_flags (abfd, s, flags | SEC_READONLY) | |
3602 | || ! bfd_set_section_alignment (abfd, s, ptralign)) | |
3603 | return false; | |
3604 | ||
067653c5 | 3605 | if (! create_got_section (abfd, info)) |
37c644f2 AO |
3606 | return false; |
3607 | ||
3608 | { | |
3609 | const char *secname; | |
3610 | char *relname; | |
3611 | flagword secflags; | |
3612 | asection *sec; | |
3613 | ||
3614 | for (sec = abfd->sections; sec; sec = sec->next) | |
3615 | { | |
3616 | secflags = bfd_get_section_flags (abfd, sec); | |
3617 | if ((secflags & (SEC_DATA | SEC_LINKER_CREATED)) | |
3618 | || ((secflags & SEC_HAS_CONTENTS) != SEC_HAS_CONTENTS)) | |
3619 | continue; | |
3620 | secname = bfd_get_section_name (abfd, sec); | |
dc810e39 | 3621 | relname = (char *) bfd_malloc ((bfd_size_type) strlen (secname) + 6); |
37c644f2 AO |
3622 | strcpy (relname, ".rela"); |
3623 | strcat (relname, secname); | |
3624 | s = bfd_make_section (abfd, relname); | |
3625 | if (s == NULL | |
3626 | || ! bfd_set_section_flags (abfd, s, flags | SEC_READONLY) | |
3627 | || ! bfd_set_section_alignment (abfd, s, ptralign)) | |
3628 | return false; | |
3629 | } | |
3630 | } | |
3631 | ||
3632 | if (bed->want_dynbss) | |
3633 | { | |
3634 | /* The .dynbss section is a place to put symbols which are defined | |
3635 | by dynamic objects, are referenced by regular objects, and are | |
3636 | not functions. We must allocate space for them in the process | |
3637 | image and use a R_*_COPY reloc to tell the dynamic linker to | |
3638 | initialize them at run time. The linker script puts the .dynbss | |
3639 | section into the .bss section of the final image. */ | |
3640 | s = bfd_make_section (abfd, ".dynbss"); | |
067653c5 | 3641 | htab->sdynbss = s; |
37c644f2 AO |
3642 | if (s == NULL |
3643 | || ! bfd_set_section_flags (abfd, s, SEC_ALLOC)) | |
3644 | return false; | |
3645 | ||
3646 | /* The .rel[a].bss section holds copy relocs. This section is not | |
3647 | normally needed. We need to create it here, though, so that the | |
3648 | linker will map it to an output section. We can't just create it | |
3649 | only if we need it, because we will not know whether we need it | |
3650 | until we have seen all the input files, and the first time the | |
3651 | main linker code calls BFD after examining all the input files | |
3652 | (size_dynamic_sections) the input sections have already been | |
3653 | mapped to the output sections. If the section turns out not to | |
3654 | be needed, we can discard it later. We will never need this | |
3655 | section when generating a shared object, since they do not use | |
3656 | copy relocs. */ | |
3657 | if (! info->shared) | |
3658 | { | |
435b1e90 KH |
3659 | s = bfd_make_section (abfd, |
3660 | (bed->default_use_rela_p | |
3661 | ? ".rela.bss" : ".rel.bss")); | |
067653c5 | 3662 | htab->srelbss = s; |
37c644f2 AO |
3663 | if (s == NULL |
3664 | || ! bfd_set_section_flags (abfd, s, flags | SEC_READONLY) | |
3665 | || ! bfd_set_section_alignment (abfd, s, ptralign)) | |
3666 | return false; | |
3667 | } | |
3668 | } | |
3669 | ||
3670 | return true; | |
3671 | } | |
3672 | \f | |
37c644f2 AO |
3673 | /* Adjust a symbol defined by a dynamic object and referenced by a |
3674 | regular object. The current definition is in some section of the | |
3675 | dynamic object, but we're not including those sections. We have to | |
3676 | change the definition to something the rest of the link can | |
3677 | understand. */ | |
3678 | ||
3679 | static boolean | |
3680 | sh_elf_adjust_dynamic_symbol (info, h) | |
3681 | struct bfd_link_info *info; | |
3682 | struct elf_link_hash_entry *h; | |
3683 | { | |
067653c5 AM |
3684 | struct elf_sh_link_hash_table *htab; |
3685 | struct elf_sh_link_hash_entry *eh; | |
3686 | struct elf_sh_dyn_relocs *p; | |
37c644f2 AO |
3687 | bfd *dynobj; |
3688 | asection *s; | |
3689 | unsigned int power_of_two; | |
3690 | ||
3691 | dynobj = elf_hash_table (info)->dynobj; | |
3692 | ||
3693 | /* Make sure we know what is going on here. */ | |
3694 | BFD_ASSERT (dynobj != NULL | |
3695 | && ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT) | |
3696 | || h->weakdef != NULL | |
3697 | || ((h->elf_link_hash_flags | |
3698 | & ELF_LINK_HASH_DEF_DYNAMIC) != 0 | |
3699 | && (h->elf_link_hash_flags | |
3700 | & ELF_LINK_HASH_REF_REGULAR) != 0 | |
3701 | && (h->elf_link_hash_flags | |
3702 | & ELF_LINK_HASH_DEF_REGULAR) == 0))); | |
3703 | ||
3704 | /* If this is a function, put it in the procedure linkage table. We | |
3705 | will fill in the contents of the procedure linkage table later, | |
3706 | when we know the address of the .got section. */ | |
3707 | if (h->type == STT_FUNC | |
3708 | || (h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT) != 0) | |
3709 | { | |
067653c5 AM |
3710 | if (h->plt.refcount <= 0 |
3711 | || (! info->shared | |
3712 | && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) == 0 | |
3713 | && (h->elf_link_hash_flags & ELF_LINK_HASH_REF_DYNAMIC) == 0 | |
3714 | && h->root.type != bfd_link_hash_undefweak | |
3715 | && h->root.type != bfd_link_hash_undefined)) | |
37c644f2 AO |
3716 | { |
3717 | /* This case can occur if we saw a PLT reloc in an input | |
3718 | file, but the symbol was never referred to by a dynamic | |
3719 | object. In such a case, we don't actually need to build | |
3720 | a procedure linkage table, and we can just do a REL32 | |
3721 | reloc instead. */ | |
067653c5 AM |
3722 | h->plt.offset = (bfd_vma) -1; |
3723 | h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT; | |
37c644f2 AO |
3724 | } |
3725 | ||
37c644f2 AO |
3726 | return true; |
3727 | } | |
067653c5 AM |
3728 | else |
3729 | h->plt.offset = (bfd_vma) -1; | |
37c644f2 AO |
3730 | |
3731 | /* If this is a weak symbol, and there is a real definition, the | |
3732 | processor independent code will have arranged for us to see the | |
3733 | real definition first, and we can just use the same value. */ | |
3734 | if (h->weakdef != NULL) | |
3735 | { | |
3736 | BFD_ASSERT (h->weakdef->root.type == bfd_link_hash_defined | |
3737 | || h->weakdef->root.type == bfd_link_hash_defweak); | |
3738 | h->root.u.def.section = h->weakdef->root.u.def.section; | |
3739 | h->root.u.def.value = h->weakdef->root.u.def.value; | |
3740 | return true; | |
3741 | } | |
3742 | ||
3743 | /* This is a reference to a symbol defined by a dynamic object which | |
3744 | is not a function. */ | |
3745 | ||
3746 | /* If we are creating a shared library, we must presume that the | |
3747 | only references to the symbol are via the global offset table. | |
3748 | For such cases we need not do anything here; the relocations will | |
3749 | be handled correctly by relocate_section. */ | |
3750 | if (info->shared) | |
3751 | return true; | |
3752 | ||
3753 | /* If there are no references to this symbol that do not use the | |
3754 | GOT, we don't need to generate a copy reloc. */ | |
3755 | if ((h->elf_link_hash_flags & ELF_LINK_NON_GOT_REF) == 0) | |
3756 | return true; | |
3757 | ||
067653c5 AM |
3758 | /* If -z nocopyreloc was given, we won't generate them either. */ |
3759 | if (info->nocopyreloc) | |
3760 | { | |
3761 | h->elf_link_hash_flags &= ~ELF_LINK_NON_GOT_REF; | |
3762 | return true; | |
3763 | } | |
3764 | ||
3765 | eh = (struct elf_sh_link_hash_entry *) h; | |
3766 | for (p = eh->dyn_relocs; p != NULL; p = p->next) | |
3767 | { | |
3768 | s = p->sec->output_section; | |
3769 | if (s != NULL && (s->flags & (SEC_READONLY | SEC_HAS_CONTENTS)) != 0) | |
3770 | break; | |
3771 | } | |
3772 | ||
3773 | /* If we didn't find any dynamic relocs in sections which needs the | |
3774 | copy reloc, then we'll be keeping the dynamic relocs and avoiding | |
3775 | the copy reloc. */ | |
3776 | if (p == NULL) | |
3777 | { | |
3778 | h->elf_link_hash_flags &= ~ELF_LINK_NON_GOT_REF; | |
3779 | return true; | |
3780 | } | |
3781 | ||
37c644f2 AO |
3782 | /* We must allocate the symbol in our .dynbss section, which will |
3783 | become part of the .bss section of the executable. There will be | |
3784 | an entry for this symbol in the .dynsym section. The dynamic | |
3785 | object will contain position independent code, so all references | |
3786 | from the dynamic object to this symbol will go through the global | |
3787 | offset table. The dynamic linker will use the .dynsym entry to | |
3788 | determine the address it must put in the global offset table, so | |
3789 | both the dynamic object and the regular object will refer to the | |
3790 | same memory location for the variable. */ | |
3791 | ||
067653c5 AM |
3792 | htab = sh_elf_hash_table (info); |
3793 | s = htab->sdynbss; | |
37c644f2 AO |
3794 | BFD_ASSERT (s != NULL); |
3795 | ||
3796 | /* We must generate a R_SH_COPY reloc to tell the dynamic linker to | |
3797 | copy the initial value out of the dynamic object and into the | |
3798 | runtime process image. We need to remember the offset into the | |
3799 | .rela.bss section we are going to use. */ | |
3800 | if ((h->root.u.def.section->flags & SEC_ALLOC) != 0) | |
3801 | { | |
3802 | asection *srel; | |
3803 | ||
067653c5 | 3804 | srel = htab->srelbss; |
37c644f2 AO |
3805 | BFD_ASSERT (srel != NULL); |
3806 | srel->_raw_size += sizeof (Elf32_External_Rela); | |
3807 | h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_COPY; | |
3808 | } | |
3809 | ||
3810 | /* We need to figure out the alignment required for this symbol. I | |
3811 | have no idea how ELF linkers handle this. */ | |
3812 | power_of_two = bfd_log2 (h->size); | |
3813 | if (power_of_two > 3) | |
3814 | power_of_two = 3; | |
3815 | ||
3816 | /* Apply the required alignment. */ | |
067653c5 | 3817 | s->_raw_size = BFD_ALIGN (s->_raw_size, (bfd_size_type) (1 << power_of_two)); |
37c644f2 AO |
3818 | if (power_of_two > bfd_get_section_alignment (dynobj, s)) |
3819 | { | |
3820 | if (! bfd_set_section_alignment (dynobj, s, power_of_two)) | |
3821 | return false; | |
3822 | } | |
3823 | ||
3824 | /* Define the symbol as being at this point in the section. */ | |
3825 | h->root.u.def.section = s; | |
3826 | h->root.u.def.value = s->_raw_size; | |
3827 | ||
3828 | /* Increment the section size to make room for the symbol. */ | |
3829 | s->_raw_size += h->size; | |
3830 | ||
3831 | return true; | |
3832 | } | |
3833 | ||
067653c5 AM |
3834 | /* This is the condition under which sh_elf_finish_dynamic_symbol |
3835 | will be called from elflink.h. If elflink.h doesn't call our | |
3836 | finish_dynamic_symbol routine, we'll need to do something about | |
3837 | initializing any .plt and .got entries in sh_elf_relocate_section. */ | |
3838 | #define WILL_CALL_FINISH_DYNAMIC_SYMBOL(DYN, INFO, H) \ | |
3839 | ((DYN) \ | |
3840 | && ((INFO)->shared \ | |
3841 | || ((H)->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0) \ | |
3842 | && ((H)->dynindx != -1 \ | |
3843 | || ((H)->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) != 0)) | |
3844 | ||
3845 | /* Allocate space in .plt, .got and associated reloc sections for | |
3846 | dynamic relocs. */ | |
3847 | ||
3848 | static boolean | |
3849 | allocate_dynrelocs (h, inf) | |
3850 | struct elf_link_hash_entry *h; | |
3851 | PTR inf; | |
3852 | { | |
3853 | struct bfd_link_info *info; | |
3854 | struct elf_sh_link_hash_table *htab; | |
3855 | struct elf_sh_link_hash_entry *eh; | |
3856 | struct elf_sh_dyn_relocs *p; | |
3857 | ||
3858 | if (h->root.type == bfd_link_hash_indirect) | |
3859 | return true; | |
3860 | ||
3861 | if (h->root.type == bfd_link_hash_warning) | |
3862 | /* When warning symbols are created, they **replace** the "real" | |
3863 | entry in the hash table, thus we never get to see the real | |
3864 | symbol in a hash traversal. So look at it now. */ | |
3865 | h = (struct elf_link_hash_entry *) h->root.u.i.link; | |
3866 | ||
3867 | info = (struct bfd_link_info *) inf; | |
3868 | htab = sh_elf_hash_table (info); | |
3869 | ||
3870 | if (htab->root.dynamic_sections_created | |
3871 | && h->plt.refcount > 0) | |
3872 | { | |
3873 | /* Make sure this symbol is output as a dynamic symbol. | |
3874 | Undefined weak syms won't yet be marked as dynamic. */ | |
3875 | if (h->dynindx == -1 | |
3876 | && (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0) | |
3877 | { | |
3878 | if (! bfd_elf32_link_record_dynamic_symbol (info, h)) | |
3879 | return false; | |
3880 | } | |
3881 | ||
3882 | if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, info, h)) | |
3883 | { | |
3884 | asection *s = htab->splt; | |
3885 | ||
3886 | /* If this is the first .plt entry, make room for the special | |
3887 | first entry. */ | |
3888 | if (s->_raw_size == 0) | |
3889 | s->_raw_size += PLT_ENTRY_SIZE; | |
3890 | ||
3891 | h->plt.offset = s->_raw_size; | |
3892 | ||
3893 | /* If this symbol is not defined in a regular file, and we are | |
3894 | not generating a shared library, then set the symbol to this | |
3895 | location in the .plt. This is required to make function | |
3896 | pointers compare as equal between the normal executable and | |
3897 | the shared library. */ | |
3898 | if (! info->shared | |
3899 | && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0) | |
3900 | { | |
3901 | h->root.u.def.section = s; | |
3902 | h->root.u.def.value = h->plt.offset; | |
3903 | } | |
3904 | ||
3905 | /* Make room for this entry. */ | |
3906 | s->_raw_size += PLT_ENTRY_SIZE; | |
3907 | ||
3908 | /* We also need to make an entry in the .got.plt section, which | |
3909 | will be placed in the .got section by the linker script. */ | |
3910 | htab->sgotplt->_raw_size += 4; | |
3911 | ||
3912 | /* We also need to make an entry in the .rel.plt section. */ | |
3913 | htab->srelplt->_raw_size += sizeof (Elf32_External_Rela); | |
3914 | } | |
3915 | else | |
3916 | { | |
3917 | h->plt.offset = (bfd_vma) -1; | |
3918 | h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT; | |
3919 | } | |
3920 | } | |
3921 | else | |
3922 | { | |
3923 | h->plt.offset = (bfd_vma) -1; | |
3924 | h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT; | |
3925 | } | |
3926 | ||
3927 | if (h->got.refcount > 0) | |
3928 | { | |
3929 | asection *s; | |
3930 | boolean dyn; | |
3931 | ||
3932 | /* Make sure this symbol is output as a dynamic symbol. | |
3933 | Undefined weak syms won't yet be marked as dynamic. */ | |
3934 | if (h->dynindx == -1 | |
3935 | && (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0) | |
3936 | { | |
3937 | if (! bfd_elf32_link_record_dynamic_symbol (info, h)) | |
3938 | return false; | |
3939 | } | |
3940 | ||
3941 | s = htab->sgot; | |
3942 | #ifdef INCLUDE_SHMEDIA | |
3943 | if (h->type == STT_DATALABEL) | |
3944 | { | |
3945 | struct elf_sh_link_hash_entry *hsh; | |
3946 | ||
3947 | h = (struct elf_link_hash_entry *) h->root.u.i.link; | |
3948 | hsh = (struct elf_sh_link_hash_entry *)h; | |
3949 | hsh->datalabel_got_offset = s->_raw_size; | |
3950 | } | |
3951 | else | |
3952 | h->got.offset = s->_raw_size; | |
3953 | #else | |
3954 | h->got.offset = s->_raw_size; | |
3955 | #endif | |
3956 | s->_raw_size += 4; | |
3957 | dyn = htab->root.dynamic_sections_created; | |
3958 | if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info, h)) | |
3959 | htab->srelgot->_raw_size += sizeof (Elf32_External_Rela); | |
3960 | } | |
3961 | else | |
3962 | h->got.offset = (bfd_vma) -1; | |
3963 | ||
3964 | eh = (struct elf_sh_link_hash_entry *) h; | |
3965 | if (eh->dyn_relocs == NULL) | |
3966 | return true; | |
3967 | ||
3968 | /* In the shared -Bsymbolic case, discard space allocated for | |
3969 | dynamic pc-relative relocs against symbols which turn out to be | |
3970 | defined in regular objects. For the normal shared case, discard | |
3971 | space for pc-relative relocs that have become local due to symbol | |
3972 | visibility changes. */ | |
3973 | ||
3974 | if (info->shared) | |
3975 | { | |
3976 | if ((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) != 0 | |
3977 | && ((h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) != 0 | |
3978 | || info->symbolic)) | |
3979 | { | |
3980 | struct elf_sh_dyn_relocs **pp; | |
3981 | ||
3982 | for (pp = &eh->dyn_relocs; (p = *pp) != NULL; ) | |
3983 | { | |
3984 | p->count -= p->pc_count; | |
3985 | p->pc_count = 0; | |
3986 | if (p->count == 0) | |
3987 | *pp = p->next; | |
3988 | else | |
3989 | pp = &p->next; | |
3990 | } | |
3991 | } | |
3992 | } | |
3993 | else | |
3994 | { | |
3995 | /* For the non-shared case, discard space for relocs against | |
3996 | symbols which turn out to need copy relocs or are not | |
3997 | dynamic. */ | |
3998 | ||
3999 | if ((h->elf_link_hash_flags & ELF_LINK_NON_GOT_REF) == 0 | |
4000 | && (((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) != 0 | |
4001 | && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0) | |
4002 | || (htab->root.dynamic_sections_created | |
4003 | && (h->root.type == bfd_link_hash_undefweak | |
4004 | || h->root.type == bfd_link_hash_undefined)))) | |
4005 | { | |
4006 | /* Make sure this symbol is output as a dynamic symbol. | |
4007 | Undefined weak syms won't yet be marked as dynamic. */ | |
4008 | if (h->dynindx == -1 | |
4009 | && (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0) | |
4010 | { | |
4011 | if (! bfd_elf32_link_record_dynamic_symbol (info, h)) | |
4012 | return false; | |
4013 | } | |
4014 | ||
4015 | /* If that succeeded, we know we'll be keeping all the | |
4016 | relocs. */ | |
4017 | if (h->dynindx != -1) | |
4018 | goto keep; | |
4019 | } | |
4020 | ||
4021 | eh->dyn_relocs = NULL; | |
4022 | ||
4023 | keep: ; | |
4024 | } | |
4025 | ||
4026 | /* Finally, allocate space. */ | |
4027 | for (p = eh->dyn_relocs; p != NULL; p = p->next) | |
4028 | { | |
4029 | asection *sreloc = elf_section_data (p->sec)->sreloc; | |
4030 | sreloc->_raw_size += p->count * sizeof (Elf32_External_Rela); | |
4031 | } | |
4032 | ||
4033 | return true; | |
4034 | } | |
4035 | ||
4036 | /* Find any dynamic relocs that apply to read-only sections. */ | |
4037 | ||
4038 | static boolean | |
4039 | readonly_dynrelocs (h, inf) | |
4040 | struct elf_link_hash_entry *h; | |
4041 | PTR inf; | |
4042 | { | |
4043 | struct elf_sh_link_hash_entry *eh; | |
4044 | struct elf_sh_dyn_relocs *p; | |
4045 | ||
4046 | if (h->root.type == bfd_link_hash_warning) | |
4047 | h = (struct elf_link_hash_entry *) h->root.u.i.link; | |
4048 | ||
4049 | eh = (struct elf_sh_link_hash_entry *) h; | |
4050 | for (p = eh->dyn_relocs; p != NULL; p = p->next) | |
4051 | { | |
4052 | asection *s = p->sec->output_section; | |
4053 | ||
4054 | if (s != NULL && (s->flags & SEC_READONLY) != 0) | |
4055 | { | |
4056 | struct bfd_link_info *info = (struct bfd_link_info *) inf; | |
4057 | ||
4058 | info->flags |= DF_TEXTREL; | |
4059 | ||
4060 | /* Not an error, just cut short the traversal. */ | |
4061 | return false; | |
4062 | } | |
4063 | } | |
4064 | return true; | |
4065 | } | |
4066 | ||
37c644f2 AO |
4067 | /* Set the sizes of the dynamic sections. */ |
4068 | ||
4069 | static boolean | |
4070 | sh_elf_size_dynamic_sections (output_bfd, info) | |
99e4ae17 | 4071 | bfd *output_bfd ATTRIBUTE_UNUSED; |
37c644f2 AO |
4072 | struct bfd_link_info *info; |
4073 | { | |
067653c5 | 4074 | struct elf_sh_link_hash_table *htab; |
37c644f2 AO |
4075 | bfd *dynobj; |
4076 | asection *s; | |
37c644f2 | 4077 | boolean relocs; |
067653c5 | 4078 | bfd *ibfd; |
37c644f2 | 4079 | |
067653c5 AM |
4080 | htab = sh_elf_hash_table (info); |
4081 | dynobj = htab->root.dynobj; | |
37c644f2 AO |
4082 | BFD_ASSERT (dynobj != NULL); |
4083 | ||
067653c5 | 4084 | if (htab->root.dynamic_sections_created) |
37c644f2 AO |
4085 | { |
4086 | /* Set the contents of the .interp section to the interpreter. */ | |
4087 | if (! info->shared) | |
4088 | { | |
4089 | s = bfd_get_section_by_name (dynobj, ".interp"); | |
4090 | BFD_ASSERT (s != NULL); | |
4091 | s->_raw_size = sizeof ELF_DYNAMIC_INTERPRETER; | |
4092 | s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER; | |
4093 | } | |
4094 | } | |
37c644f2 | 4095 | |
067653c5 AM |
4096 | /* Set up .got offsets for local syms, and space for local dynamic |
4097 | relocs. */ | |
4098 | for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next) | |
37c644f2 | 4099 | { |
067653c5 AM |
4100 | bfd_signed_vma *local_got; |
4101 | bfd_signed_vma *end_local_got; | |
4102 | bfd_size_type locsymcount; | |
4103 | Elf_Internal_Shdr *symtab_hdr; | |
4104 | asection *srel; | |
37c644f2 | 4105 | |
067653c5 | 4106 | if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour) |
37c644f2 AO |
4107 | continue; |
4108 | ||
067653c5 | 4109 | for (s = ibfd->sections; s != NULL; s = s->next) |
37c644f2 | 4110 | { |
067653c5 AM |
4111 | struct elf_sh_dyn_relocs *p; |
4112 | ||
4113 | for (p = ((struct elf_sh_dyn_relocs *) | |
4114 | elf_section_data (s)->local_dynrel); | |
4115 | p != NULL; | |
4116 | p = p->next) | |
37c644f2 | 4117 | { |
067653c5 AM |
4118 | if (! bfd_is_abs_section (p->sec) |
4119 | && bfd_is_abs_section (p->sec->output_section)) | |
4120 | { | |
4121 | /* Input section has been discarded, either because | |
4122 | it is a copy of a linkonce section or due to | |
4123 | linker script /DISCARD/, so we'll be discarding | |
4124 | the relocs too. */ | |
4125 | } | |
4126 | else if (p->count != 0) | |
4127 | { | |
4128 | srel = elf_section_data (p->sec)->sreloc; | |
4129 | srel->_raw_size += p->count * sizeof (Elf32_External_Rela); | |
4130 | if ((p->sec->output_section->flags & SEC_READONLY) != 0) | |
4131 | info->flags |= DF_TEXTREL; | |
4132 | } | |
37c644f2 AO |
4133 | } |
4134 | } | |
067653c5 AM |
4135 | |
4136 | local_got = elf_local_got_refcounts (ibfd); | |
4137 | if (!local_got) | |
4138 | continue; | |
4139 | ||
4140 | symtab_hdr = &elf_tdata (ibfd)->symtab_hdr; | |
4141 | locsymcount = symtab_hdr->sh_info; | |
4142 | #ifdef INCLUDE_SHMEDIA | |
4143 | /* Count datalabel local GOT. */ | |
4144 | locsymcount *= 2; | |
4145 | #endif | |
4146 | end_local_got = local_got + locsymcount; | |
4147 | s = htab->sgot; | |
4148 | srel = htab->srelgot; | |
4149 | for (; local_got < end_local_got; ++local_got) | |
37c644f2 | 4150 | { |
067653c5 | 4151 | if (*local_got > 0) |
37c644f2 | 4152 | { |
067653c5 AM |
4153 | *local_got = s->_raw_size; |
4154 | s->_raw_size += 4; | |
4155 | if (info->shared) | |
4156 | srel->_raw_size += sizeof (Elf32_External_Rela); | |
37c644f2 AO |
4157 | } |
4158 | else | |
067653c5 | 4159 | *local_got = (bfd_vma) -1; |
37c644f2 | 4160 | } |
067653c5 AM |
4161 | } |
4162 | ||
4163 | /* Allocate global sym .plt and .got entries, and space for global | |
4164 | sym dynamic relocs. */ | |
4165 | elf_link_hash_traverse (&htab->root, allocate_dynrelocs, (PTR) info); | |
4166 | ||
4167 | /* We now have determined the sizes of the various dynamic sections. | |
4168 | Allocate memory for them. */ | |
4169 | relocs = false; | |
4170 | for (s = dynobj->sections; s != NULL; s = s->next) | |
4171 | { | |
4172 | if ((s->flags & SEC_LINKER_CREATED) == 0) | |
4173 | continue; | |
4174 | ||
4175 | if (s == htab->splt | |
4176 | || s == htab->sgot | |
4177 | || s == htab->sgotplt) | |
4178 | { | |
4179 | /* Strip this section if we don't need it; see the | |
4180 | comment below. */ | |
4181 | } | |
4182 | else if (strncmp (bfd_get_section_name (dynobj, s), ".rela", 5) == 0) | |
4183 | { | |
4184 | if (s->_raw_size != 0 && s != htab->srelplt) | |
4185 | relocs = true; | |
4186 | ||
4187 | /* We use the reloc_count field as a counter if we need | |
4188 | to copy relocs into the output file. */ | |
4189 | s->reloc_count = 0; | |
4190 | } | |
4191 | else | |
37c644f2 AO |
4192 | { |
4193 | /* It's not one of our sections, so don't allocate space. */ | |
4194 | continue; | |
4195 | } | |
4196 | ||
067653c5 | 4197 | if (s->_raw_size == 0) |
37c644f2 | 4198 | { |
067653c5 AM |
4199 | /* If we don't need this section, strip it from the |
4200 | output file. This is mostly to handle .rela.bss and | |
4201 | .rela.plt. We must create both sections in | |
4202 | create_dynamic_sections, because they must be created | |
4203 | before the linker maps input sections to output | |
4204 | sections. The linker does that before | |
4205 | adjust_dynamic_symbol is called, and it is that | |
4206 | function which decides whether anything needs to go | |
4207 | into these sections. */ | |
4208 | ||
37c644f2 AO |
4209 | _bfd_strip_section_from_output (info, s); |
4210 | continue; | |
4211 | } | |
4212 | ||
067653c5 AM |
4213 | /* Allocate memory for the section contents. We use bfd_zalloc |
4214 | here in case unused entries are not reclaimed before the | |
4215 | section's contents are written out. This should not happen, | |
4216 | but this way if it does, we get a R_SH_NONE reloc instead | |
4217 | of garbage. */ | |
957dcaa8 | 4218 | s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->_raw_size); |
067653c5 | 4219 | if (s->contents == NULL) |
37c644f2 AO |
4220 | return false; |
4221 | } | |
4222 | ||
067653c5 | 4223 | if (htab->root.dynamic_sections_created) |
37c644f2 AO |
4224 | { |
4225 | /* Add some entries to the .dynamic section. We fill in the | |
4226 | values later, in sh_elf_finish_dynamic_sections, but we | |
4227 | must add the entries now so that we get the correct size for | |
4228 | the .dynamic section. The DT_DEBUG entry is filled in by the | |
4229 | dynamic linker and used by the debugger. */ | |
dc810e39 AM |
4230 | #define add_dynamic_entry(TAG, VAL) \ |
4231 | bfd_elf32_add_dynamic_entry (info, (bfd_vma) (TAG), (bfd_vma) (VAL)) | |
4232 | ||
37c644f2 AO |
4233 | if (! info->shared) |
4234 | { | |
067653c5 | 4235 | if (! add_dynamic_entry (DT_DEBUG, 0)) |
37c644f2 AO |
4236 | return false; |
4237 | } | |
4238 | ||
067653c5 | 4239 | if (htab->splt->_raw_size != 0) |
37c644f2 | 4240 | { |
067653c5 AM |
4241 | if (! add_dynamic_entry (DT_PLTGOT, 0) |
4242 | || ! add_dynamic_entry (DT_PLTRELSZ, 0) | |
4243 | || ! add_dynamic_entry (DT_PLTREL, DT_RELA) | |
4244 | || ! add_dynamic_entry (DT_JMPREL, 0)) | |
37c644f2 AO |
4245 | return false; |
4246 | } | |
4247 | ||
4248 | if (relocs) | |
4249 | { | |
067653c5 AM |
4250 | if (! add_dynamic_entry (DT_RELA, 0) |
4251 | || ! add_dynamic_entry (DT_RELASZ, 0) | |
4252 | || ! add_dynamic_entry (DT_RELAENT, | |
4253 | sizeof (Elf32_External_Rela))) | |
37c644f2 | 4254 | return false; |
37c644f2 | 4255 | |
067653c5 AM |
4256 | /* If any dynamic relocs apply to a read-only section, |
4257 | then we need a DT_TEXTREL entry. */ | |
4258 | if ((info->flags & DF_TEXTREL) == 0) | |
4259 | elf_link_hash_traverse (&htab->root, readonly_dynrelocs, | |
4260 | (PTR) info); | |
4261 | ||
4262 | if ((info->flags & DF_TEXTREL) != 0) | |
4263 | { | |
4264 | if (! add_dynamic_entry (DT_TEXTREL, 0)) | |
4265 | return false; | |
4266 | } | |
37c644f2 AO |
4267 | } |
4268 | } | |
dc810e39 | 4269 | #undef add_dynamic_entry |
37c644f2 AO |
4270 | |
4271 | return true; | |
4272 | } | |
37c644f2 AO |
4273 | \f |
4274 | /* Relocate an SH ELF section. */ | |
4275 | ||
4276 | static boolean | |
4277 | sh_elf_relocate_section (output_bfd, info, input_bfd, input_section, | |
4278 | contents, relocs, local_syms, local_sections) | |
f8df10f4 | 4279 | bfd *output_bfd; |
37c644f2 AO |
4280 | struct bfd_link_info *info; |
4281 | bfd *input_bfd; | |
4282 | asection *input_section; | |
4283 | bfd_byte *contents; | |
4284 | Elf_Internal_Rela *relocs; | |
4285 | Elf_Internal_Sym *local_syms; | |
4286 | asection **local_sections; | |
4287 | { | |
067653c5 | 4288 | struct elf_sh_link_hash_table *htab; |
37c644f2 AO |
4289 | Elf_Internal_Shdr *symtab_hdr; |
4290 | struct elf_link_hash_entry **sym_hashes; | |
4291 | Elf_Internal_Rela *rel, *relend; | |
4292 | bfd *dynobj; | |
4293 | bfd_vma *local_got_offsets; | |
4294 | asection *sgot; | |
fbca6ad9 | 4295 | asection *sgotplt; |
37c644f2 AO |
4296 | asection *splt; |
4297 | asection *sreloc; | |
4298 | ||
067653c5 | 4299 | htab = sh_elf_hash_table (info); |
37c644f2 AO |
4300 | symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr; |
4301 | sym_hashes = elf_sym_hashes (input_bfd); | |
067653c5 | 4302 | dynobj = htab->root.dynobj; |
37c644f2 AO |
4303 | local_got_offsets = elf_local_got_offsets (input_bfd); |
4304 | ||
067653c5 AM |
4305 | sgot = htab->sgot; |
4306 | sgotplt = htab->sgotplt; | |
4307 | splt = htab->splt; | |
37c644f2 AO |
4308 | sreloc = NULL; |
4309 | ||
4310 | rel = relocs; | |
4311 | relend = relocs + input_section->reloc_count; | |
4312 | for (; rel < relend; rel++) | |
4313 | { | |
4314 | int r_type; | |
4315 | reloc_howto_type *howto; | |
4316 | unsigned long r_symndx; | |
4317 | Elf_Internal_Sym *sym; | |
4318 | asection *sec; | |
4319 | struct elf_link_hash_entry *h; | |
4320 | bfd_vma relocation; | |
435b1e90 | 4321 | bfd_vma addend = (bfd_vma) 0; |
37c644f2 | 4322 | bfd_reloc_status_type r; |
fbca6ad9 | 4323 | int seen_stt_datalabel = 0; |
37c644f2 AO |
4324 | |
4325 | r_symndx = ELF32_R_SYM (rel->r_info); | |
4326 | ||
37c644f2 AO |
4327 | r_type = ELF32_R_TYPE (rel->r_info); |
4328 | ||
4329 | /* Many of the relocs are only used for relaxing, and are | |
067653c5 | 4330 | handled entirely by the relaxation code. */ |
37c644f2 AO |
4331 | if (r_type > (int) R_SH_LAST_INVALID_RELOC |
4332 | && r_type < (int) R_SH_LOOP_START) | |
4333 | continue; | |
c5aeb40f AO |
4334 | if (r_type == (int) R_SH_NONE) |
4335 | continue; | |
37c644f2 AO |
4336 | |
4337 | if (r_type < 0 | |
4338 | || r_type >= R_SH_max | |
4339 | || (r_type >= (int) R_SH_FIRST_INVALID_RELOC | |
06bb75c1 | 4340 | && r_type <= (int) R_SH_LAST_INVALID_RELOC) |
fbca6ad9 AO |
4341 | || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_3 |
4342 | && r_type <= (int) R_SH_LAST_INVALID_RELOC_3) | |
4343 | || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_4 | |
4344 | && r_type <= (int) R_SH_LAST_INVALID_RELOC_4) | |
06bb75c1 AO |
4345 | || (r_type >= (int) R_SH_FIRST_INVALID_RELOC_2 |
4346 | && r_type <= (int) R_SH_LAST_INVALID_RELOC_2)) | |
37c644f2 AO |
4347 | { |
4348 | bfd_set_error (bfd_error_bad_value); | |
4349 | return false; | |
4350 | } | |
4351 | ||
4352 | howto = sh_elf_howto_table + r_type; | |
4353 | ||
146be91a | 4354 | /* For relocs that aren't partial_inplace, we get the addend from |
067653c5 | 4355 | the relocation. */ |
146be91a HPN |
4356 | if (! howto->partial_inplace) |
4357 | addend = rel->r_addend; | |
4358 | ||
37c644f2 AO |
4359 | h = NULL; |
4360 | sym = NULL; | |
4361 | sec = NULL; | |
4362 | if (r_symndx < symtab_hdr->sh_info) | |
4363 | { | |
4364 | sym = local_syms + r_symndx; | |
4365 | sec = local_sections[r_symndx]; | |
4366 | relocation = (sec->output_section->vma | |
4367 | + sec->output_offset | |
4368 | + sym->st_value); | |
fbca6ad9 AO |
4369 | /* A local symbol never has STO_SH5_ISA32, so we don't need |
4370 | datalabel processing here. Make sure this does not change | |
4371 | without notice. */ | |
4372 | if ((sym->st_other & STO_SH5_ISA32) != 0) | |
4373 | ((*info->callbacks->reloc_dangerous) | |
4374 | (info, | |
4375 | _("Unexpected STO_SH5_ISA32 on local symbol is not handled"), | |
4376 | input_bfd, input_section, rel->r_offset)); | |
8a3975e6 AO |
4377 | if (info->relocateable) |
4378 | { | |
4379 | /* This is a relocateable link. We don't have to change | |
4380 | anything, unless the reloc is against a section symbol, | |
4381 | in which case we have to adjust according to where the | |
4382 | section symbol winds up in the output section. */ | |
4383 | sym = local_syms + r_symndx; | |
4384 | if (ELF_ST_TYPE (sym->st_info) == STT_SECTION) | |
146be91a HPN |
4385 | { |
4386 | if (! howto->partial_inplace) | |
4387 | { | |
4388 | /* For relocations with the addend in the | |
4389 | relocation, we need just to update the addend. | |
4390 | All real relocs are of type partial_inplace; this | |
4391 | code is mostly for completeness. */ | |
4392 | rel->r_addend += sec->output_offset + sym->st_value; | |
4393 | ||
4394 | continue; | |
4395 | } | |
4396 | ||
4397 | /* Relocs of type partial_inplace need to pick up the | |
4398 | contents in the contents and add the offset resulting | |
4399 | from the changed location of the section symbol. | |
4400 | Using _bfd_final_link_relocate (e.g. goto | |
4401 | final_link_relocate) here would be wrong, because | |
4402 | relocations marked pc_relative would get the current | |
4403 | location subtracted, and we must only do that at the | |
4404 | final link. */ | |
4405 | r = _bfd_relocate_contents (howto, input_bfd, | |
4406 | sec->output_offset | |
4407 | + sym->st_value, | |
4408 | contents + rel->r_offset); | |
4409 | goto relocation_done; | |
4410 | } | |
8a3975e6 AO |
4411 | |
4412 | continue; | |
4413 | } | |
f8df10f4 JJ |
4414 | else if (! howto->partial_inplace) |
4415 | { | |
4416 | relocation = _bfd_elf_rela_local_sym (output_bfd, sym, sec, rel); | |
4417 | addend = rel->r_addend; | |
4418 | } | |
4419 | else if ((sec->flags & SEC_MERGE) | |
4420 | && ELF_ST_TYPE (sym->st_info) == STT_SECTION) | |
4421 | { | |
4422 | asection *msec; | |
4423 | ||
4424 | if (howto->rightshift || howto->src_mask != 0xffffffff) | |
4425 | { | |
4426 | (*_bfd_error_handler) | |
4427 | (_("%s(%s+0x%lx): %s relocation against SEC_MERGE section"), | |
4428 | bfd_archive_filename (input_bfd), | |
4429 | bfd_get_section_name (input_bfd, input_section), | |
4430 | (long) rel->r_offset, howto->name); | |
4431 | return false; | |
4432 | } | |
4433 | ||
067653c5 AM |
4434 | addend = bfd_get_32 (input_bfd, contents + rel->r_offset); |
4435 | msec = sec; | |
4436 | addend = | |
c629eae0 | 4437 | _bfd_elf_rel_local_sym (output_bfd, sym, &msec, addend) |
f8df10f4 JJ |
4438 | - relocation; |
4439 | addend += msec->output_section->vma + msec->output_offset; | |
4440 | bfd_put_32 (input_bfd, addend, contents + rel->r_offset); | |
4441 | addend = 0; | |
4442 | } | |
37c644f2 AO |
4443 | } |
4444 | else | |
4445 | { | |
8a3975e6 AO |
4446 | /* Section symbol are never (?) placed in the hash table, so |
4447 | we can just ignore hash relocations when creating a | |
4448 | relocateable object file. */ | |
4449 | if (info->relocateable) | |
4450 | continue; | |
4451 | ||
37c644f2 AO |
4452 | h = sym_hashes[r_symndx - symtab_hdr->sh_info]; |
4453 | while (h->root.type == bfd_link_hash_indirect | |
4454 | || h->root.type == bfd_link_hash_warning) | |
fbca6ad9 AO |
4455 | { |
4456 | #ifdef INCLUDE_SHMEDIA | |
4457 | /* If the reference passes a symbol marked with | |
4458 | STT_DATALABEL, then any STO_SH5_ISA32 on the final value | |
4459 | doesn't count. */ | |
4460 | seen_stt_datalabel |= h->type == STT_DATALABEL; | |
4461 | #endif | |
4462 | h = (struct elf_link_hash_entry *) h->root.u.i.link; | |
4463 | } | |
37c644f2 AO |
4464 | if (h->root.type == bfd_link_hash_defined |
4465 | || h->root.type == bfd_link_hash_defweak) | |
4466 | { | |
067653c5 AM |
4467 | boolean dyn; |
4468 | ||
4469 | dyn = htab->root.dynamic_sections_created; | |
37c644f2 AO |
4470 | sec = h->root.u.def.section; |
4471 | /* In these cases, we don't need the relocation value. | |
4472 | We check specially because in some obscure cases | |
435b1e90 | 4473 | sec->output_section will be NULL. */ |
37c644f2 | 4474 | if (r_type == R_SH_GOTPC |
fbca6ad9 AO |
4475 | || r_type == R_SH_GOTPC_LOW16 |
4476 | || r_type == R_SH_GOTPC_MEDLOW16 | |
4477 | || r_type == R_SH_GOTPC_MEDHI16 | |
4478 | || r_type == R_SH_GOTPC_HI16 | |
4479 | || ((r_type == R_SH_PLT32 | |
4480 | || r_type == R_SH_PLT_LOW16 | |
4481 | || r_type == R_SH_PLT_MEDLOW16 | |
4482 | || r_type == R_SH_PLT_MEDHI16 | |
4483 | || r_type == R_SH_PLT_HI16) | |
37c644f2 | 4484 | && h->plt.offset != (bfd_vma) -1) |
fbca6ad9 AO |
4485 | || ((r_type == R_SH_GOT32 |
4486 | || r_type == R_SH_GOT_LOW16 | |
4487 | || r_type == R_SH_GOT_MEDLOW16 | |
4488 | || r_type == R_SH_GOT_MEDHI16 | |
4489 | || r_type == R_SH_GOT_HI16) | |
067653c5 | 4490 | && WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info, h) |
37c644f2 AO |
4491 | && (! info->shared |
4492 | || (! info->symbolic && h->dynindx != -1) | |
4493 | || (h->elf_link_hash_flags | |
4494 | & ELF_LINK_HASH_DEF_REGULAR) == 0)) | |
4495 | /* The cases above are those in which relocation is | |
4496 | overwritten in the switch block below. The cases | |
4497 | below are those in which we must defer relocation | |
4498 | to run-time, because we can't resolve absolute | |
4499 | addresses when creating a shared library. */ | |
4500 | || (info->shared | |
4501 | && ((! info->symbolic && h->dynindx != -1) | |
4502 | || (h->elf_link_hash_flags | |
4503 | & ELF_LINK_HASH_DEF_REGULAR) == 0) | |
4504 | && ((r_type == R_SH_DIR32 | |
067653c5 AM |
4505 | && (h->elf_link_hash_flags |
4506 | & ELF_LINK_FORCED_LOCAL) == 0) | |
37c644f2 AO |
4507 | || r_type == R_SH_REL32) |
4508 | && ((input_section->flags & SEC_ALLOC) != 0 | |
4509 | /* DWARF will emit R_SH_DIR32 relocations in its | |
4510 | sections against symbols defined externally | |
4511 | in shared libraries. We can't do anything | |
4512 | with them here. */ | |
067653c5 AM |
4513 | || ((input_section->flags & SEC_DEBUGGING) != 0 |
4514 | && (h->elf_link_hash_flags | |
4515 | & ELF_LINK_HASH_DEF_DYNAMIC) != 0)))) | |
37c644f2 AO |
4516 | relocation = 0; |
4517 | else if (sec->output_section == NULL) | |
4518 | { | |
4519 | (*_bfd_error_handler) | |
4520 | (_("%s: warning: unresolvable relocation against symbol `%s' from %s section"), | |
8f615d07 | 4521 | bfd_archive_filename (input_bfd), h->root.root.string, |
37c644f2 AO |
4522 | bfd_get_section_name (input_bfd, input_section)); |
4523 | relocation = 0; | |
4524 | } | |
4525 | else | |
fbca6ad9 | 4526 | relocation = ((h->root.u.def.value |
37c644f2 | 4527 | + sec->output_section->vma |
fbca6ad9 AO |
4528 | + sec->output_offset) |
4529 | /* A STO_SH5_ISA32 causes a "bitor 1" to the | |
4530 | symbol value, unless we've seen | |
4531 | STT_DATALABEL on the way to it. */ | |
4532 | | ((h->other & STO_SH5_ISA32) != 0 | |
4533 | && ! seen_stt_datalabel)); | |
37c644f2 AO |
4534 | } |
4535 | else if (h->root.type == bfd_link_hash_undefweak) | |
4536 | relocation = 0; | |
671bae9c | 4537 | else if (info->shared |
067653c5 AM |
4538 | && (! info->symbolic || info->allow_shlib_undefined) |
4539 | && ! info->no_undefined | |
4540 | && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT) | |
37c644f2 AO |
4541 | relocation = 0; |
4542 | else | |
4543 | { | |
4544 | if (! ((*info->callbacks->undefined_symbol) | |
4545 | (info, h->root.root.string, input_bfd, | |
067653c5 AM |
4546 | input_section, rel->r_offset, |
4547 | (!info->shared || info->no_undefined | |
4548 | || ELF_ST_VISIBILITY (h->other))))) | |
37c644f2 AO |
4549 | return false; |
4550 | relocation = 0; | |
4551 | } | |
4552 | } | |
4553 | ||
435b1e90 | 4554 | switch ((int) r_type) |
37c644f2 AO |
4555 | { |
4556 | final_link_relocate: | |
4557 | /* COFF relocs don't use the addend. The addend is used for | |
435b1e90 | 4558 | R_SH_DIR32 to be compatible with other compilers. */ |
37c644f2 AO |
4559 | r = _bfd_final_link_relocate (howto, input_bfd, input_section, |
4560 | contents, rel->r_offset, | |
4561 | relocation, addend); | |
4562 | break; | |
4563 | ||
4564 | case R_SH_IND12W: | |
cd6ec716 DD |
4565 | relocation -= 4; |
4566 | goto final_link_relocate; | |
4567 | ||
37c644f2 AO |
4568 | case R_SH_DIR8WPN: |
4569 | case R_SH_DIR8WPZ: | |
4570 | case R_SH_DIR8WPL: | |
cd6ec716 DD |
4571 | /* If the reloc is against the start of this section, then |
4572 | the assembler has already taken care of it and the reloc | |
4573 | is here only to assist in relaxing. If the reloc is not | |
4574 | against the start of this section, then it's against an | |
4575 | external symbol and we must deal with it ourselves. */ | |
4576 | if (input_section->output_section->vma + input_section->output_offset | |
4577 | != relocation) | |
4578 | { | |
4579 | int disp = (relocation | |
4580 | - input_section->output_section->vma | |
4581 | - input_section->output_offset | |
4582 | - rel->r_offset); | |
4583 | int mask = 0; | |
4584 | switch (r_type) | |
4585 | { | |
4586 | case R_SH_DIR8WPN: | |
4587 | case R_SH_DIR8WPZ: mask = 1; break; | |
4588 | case R_SH_DIR8WPL: mask = 3; break; | |
4589 | default: mask = 0; break; | |
4590 | } | |
4591 | if (disp & mask) | |
4592 | { | |
4593 | ((*_bfd_error_handler) | |
4594 | (_("%s: 0x%lx: fatal: unaligned branch target for relax-support relocation"), | |
8f615d07 | 4595 | bfd_archive_filename (input_section->owner), |
cd6ec716 DD |
4596 | (unsigned long) rel->r_offset)); |
4597 | bfd_set_error (bfd_error_bad_value); | |
4598 | return false; | |
4599 | } | |
4600 | relocation -= 4; | |
4601 | goto final_link_relocate; | |
4602 | } | |
4603 | r = bfd_reloc_ok; | |
4604 | break; | |
37c644f2 AO |
4605 | |
4606 | default: | |
fbca6ad9 AO |
4607 | #ifdef INCLUDE_SHMEDIA |
4608 | if (shmedia_prepare_reloc (info, input_bfd, input_section, | |
4609 | contents, rel, &relocation)) | |
4610 | goto final_link_relocate; | |
4611 | #endif | |
37c644f2 AO |
4612 | bfd_set_error (bfd_error_bad_value); |
4613 | return false; | |
4614 | ||
4615 | case R_SH_DIR32: | |
4616 | case R_SH_REL32: | |
4617 | if (info->shared | |
ec338859 | 4618 | && r_symndx != 0 |
37c644f2 AO |
4619 | && (input_section->flags & SEC_ALLOC) != 0 |
4620 | && (r_type != R_SH_REL32 | |
4621 | || (h != NULL | |
4622 | && h->dynindx != -1 | |
4623 | && (! info->symbolic | |
4624 | || (h->elf_link_hash_flags | |
4625 | & ELF_LINK_HASH_DEF_REGULAR) == 0)))) | |
4626 | { | |
4627 | Elf_Internal_Rela outrel; | |
4628 | boolean skip, relocate; | |
4629 | ||
4630 | /* When generating a shared object, these relocations | |
4631 | are copied into the output file to be resolved at run | |
4632 | time. */ | |
4633 | ||
4634 | if (sreloc == NULL) | |
4635 | { | |
4636 | const char *name; | |
4637 | ||
4638 | name = (bfd_elf_string_from_elf_section | |
4639 | (input_bfd, | |
4640 | elf_elfheader (input_bfd)->e_shstrndx, | |
4641 | elf_section_data (input_section)->rel_hdr.sh_name)); | |
4642 | if (name == NULL) | |
4643 | return false; | |
4644 | ||
4645 | BFD_ASSERT (strncmp (name, ".rela", 5) == 0 | |
4646 | && strcmp (bfd_get_section_name (input_bfd, | |
4647 | input_section), | |
4648 | name + 5) == 0); | |
4649 | ||
4650 | sreloc = bfd_get_section_by_name (dynobj, name); | |
4651 | BFD_ASSERT (sreloc != NULL); | |
4652 | } | |
4653 | ||
4654 | skip = false; | |
0bb2d96a | 4655 | relocate = false; |
37c644f2 | 4656 | |
c629eae0 JJ |
4657 | outrel.r_offset = |
4658 | _bfd_elf_section_offset (output_bfd, info, input_section, | |
4659 | rel->r_offset); | |
4660 | if (outrel.r_offset == (bfd_vma) -1) | |
4661 | skip = true; | |
0bb2d96a JJ |
4662 | else if (outrel.r_offset == (bfd_vma) -2) |
4663 | skip = true, relocate = true; | |
37c644f2 AO |
4664 | outrel.r_offset += (input_section->output_section->vma |
4665 | + input_section->output_offset); | |
4666 | ||
4667 | if (skip) | |
0bb2d96a | 4668 | memset (&outrel, 0, sizeof outrel); |
37c644f2 AO |
4669 | else if (r_type == R_SH_REL32) |
4670 | { | |
4671 | BFD_ASSERT (h != NULL && h->dynindx != -1); | |
37c644f2 | 4672 | outrel.r_info = ELF32_R_INFO (h->dynindx, R_SH_REL32); |
146be91a HPN |
4673 | outrel.r_addend |
4674 | = bfd_get_32 (input_bfd, contents + rel->r_offset); | |
37c644f2 AO |
4675 | } |
4676 | else | |
4677 | { | |
4678 | /* h->dynindx may be -1 if this symbol was marked to | |
4679 | become local. */ | |
4680 | if (h == NULL | |
4681 | || ((info->symbolic || h->dynindx == -1) | |
4682 | && (h->elf_link_hash_flags | |
4683 | & ELF_LINK_HASH_DEF_REGULAR) != 0)) | |
4684 | { | |
4685 | relocate = true; | |
4686 | outrel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE); | |
146be91a HPN |
4687 | outrel.r_addend |
4688 | = relocation + bfd_get_32 (input_bfd, | |
4689 | contents + rel->r_offset); | |
37c644f2 AO |
4690 | } |
4691 | else | |
4692 | { | |
4693 | BFD_ASSERT (h->dynindx != -1); | |
37c644f2 | 4694 | outrel.r_info = ELF32_R_INFO (h->dynindx, R_SH_DIR32); |
146be91a HPN |
4695 | outrel.r_addend |
4696 | = relocation + bfd_get_32 (input_bfd, | |
4697 | contents + rel->r_offset); | |
37c644f2 AO |
4698 | } |
4699 | } | |
4700 | ||
4701 | bfd_elf32_swap_reloca_out (output_bfd, &outrel, | |
435b1e90 KH |
4702 | (((Elf32_External_Rela *) |
4703 | sreloc->contents) | |
4704 | + sreloc->reloc_count)); | |
37c644f2 AO |
4705 | ++sreloc->reloc_count; |
4706 | ||
4707 | /* If this reloc is against an external symbol, we do | |
4708 | not want to fiddle with the addend. Otherwise, we | |
4709 | need to include the symbol value so that it becomes | |
4710 | an addend for the dynamic reloc. */ | |
4711 | if (! relocate) | |
4712 | continue; | |
4713 | } | |
37c644f2 AO |
4714 | goto final_link_relocate; |
4715 | ||
fbca6ad9 AO |
4716 | case R_SH_GOTPLT32: |
4717 | #ifdef INCLUDE_SHMEDIA | |
4718 | case R_SH_GOTPLT_LOW16: | |
4719 | case R_SH_GOTPLT_MEDLOW16: | |
4720 | case R_SH_GOTPLT_MEDHI16: | |
4721 | case R_SH_GOTPLT_HI16: | |
4722 | case R_SH_GOTPLT10BY4: | |
4723 | case R_SH_GOTPLT10BY8: | |
4724 | #endif | |
4725 | /* Relocation is to the entry for this symbol in the | |
4726 | procedure linkage table. */ | |
4727 | ||
4728 | if (h == NULL | |
067653c5 | 4729 | || (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) |
fbca6ad9 AO |
4730 | || ! info->shared |
4731 | || info->symbolic | |
4732 | || h->dynindx == -1 | |
4733 | || h->plt.offset == (bfd_vma) -1 | |
4734 | || h->got.offset != (bfd_vma) -1) | |
4735 | goto force_got; | |
4736 | ||
4737 | /* Relocation is to the entry for this symbol in the global | |
4738 | offset table extension for the procedure linkage table. */ | |
fbca6ad9 | 4739 | |
067653c5 | 4740 | BFD_ASSERT (sgotplt != NULL); |
fbca6ad9 AO |
4741 | relocation = (sgotplt->output_offset |
4742 | + ((h->plt.offset / elf_sh_sizeof_plt (info) | |
4743 | - 1 + 3) * 4)); | |
4744 | ||
4745 | #ifdef GOT_BIAS | |
4746 | relocation -= GOT_BIAS; | |
4747 | #endif | |
4748 | ||
4749 | goto final_link_relocate; | |
4750 | ||
4751 | force_got: | |
37c644f2 | 4752 | case R_SH_GOT32: |
fbca6ad9 AO |
4753 | #ifdef INCLUDE_SHMEDIA |
4754 | case R_SH_GOT_LOW16: | |
4755 | case R_SH_GOT_MEDLOW16: | |
4756 | case R_SH_GOT_MEDHI16: | |
4757 | case R_SH_GOT_HI16: | |
4758 | case R_SH_GOT10BY4: | |
4759 | case R_SH_GOT10BY8: | |
4760 | #endif | |
37c644f2 AO |
4761 | /* Relocation is to the entry for this symbol in the global |
4762 | offset table. */ | |
067653c5 AM |
4763 | |
4764 | BFD_ASSERT (sgot != NULL); | |
37c644f2 AO |
4765 | |
4766 | if (h != NULL) | |
4767 | { | |
4768 | bfd_vma off; | |
067653c5 | 4769 | boolean dyn; |
37c644f2 AO |
4770 | |
4771 | off = h->got.offset; | |
fbca6ad9 AO |
4772 | #ifdef INCLUDE_SHMEDIA |
4773 | if (seen_stt_datalabel) | |
4774 | { | |
4775 | struct elf_sh_link_hash_entry *hsh; | |
4776 | ||
4777 | hsh = (struct elf_sh_link_hash_entry *)h; | |
4778 | off = hsh->datalabel_got_offset; | |
4779 | } | |
4780 | #endif | |
37c644f2 AO |
4781 | BFD_ASSERT (off != (bfd_vma) -1); |
4782 | ||
067653c5 AM |
4783 | dyn = htab->root.dynamic_sections_created; |
4784 | if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info, h) | |
37c644f2 AO |
4785 | || (info->shared |
4786 | && (info->symbolic || h->dynindx == -1 | |
067653c5 | 4787 | || (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL)) |
37c644f2 AO |
4788 | && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR))) |
4789 | { | |
4790 | /* This is actually a static link, or it is a | |
4791 | -Bsymbolic link and the symbol is defined | |
4792 | locally, or the symbol was forced to be local | |
4793 | because of a version file. We must initialize | |
4794 | this entry in the global offset table. Since the | |
4795 | offset must always be a multiple of 4, we use the | |
4796 | least significant bit to record whether we have | |
4797 | initialized it already. | |
4798 | ||
4799 | When doing a dynamic link, we create a .rela.got | |
4800 | relocation entry to initialize the value. This | |
4801 | is done in the finish_dynamic_symbol routine. */ | |
4802 | if ((off & 1) != 0) | |
4803 | off &= ~1; | |
4804 | else | |
4805 | { | |
4806 | bfd_put_32 (output_bfd, relocation, | |
4807 | sgot->contents + off); | |
fbca6ad9 AO |
4808 | #ifdef INCLUDE_SHMEDIA |
4809 | if (seen_stt_datalabel) | |
4810 | { | |
4811 | struct elf_sh_link_hash_entry *hsh; | |
4812 | ||
4813 | hsh = (struct elf_sh_link_hash_entry *)h; | |
4814 | hsh->datalabel_got_offset |= 1; | |
4815 | } | |
4816 | else | |
4817 | #endif | |
4818 | h->got.offset |= 1; | |
37c644f2 AO |
4819 | } |
4820 | } | |
4821 | ||
4822 | relocation = sgot->output_offset + off; | |
4823 | } | |
4824 | else | |
4825 | { | |
4826 | bfd_vma off; | |
4827 | ||
fbca6ad9 AO |
4828 | #ifdef INCLUDE_SHMEDIA |
4829 | if (rel->r_addend) | |
4830 | { | |
4831 | BFD_ASSERT (local_got_offsets != NULL | |
4832 | && (local_got_offsets[symtab_hdr->sh_info | |
4833 | + r_symndx] | |
4834 | != (bfd_vma) -1)); | |
4835 | ||
4836 | off = local_got_offsets[symtab_hdr->sh_info | |
4837 | + r_symndx]; | |
4838 | } | |
4839 | else | |
4840 | { | |
4841 | #endif | |
37c644f2 AO |
4842 | BFD_ASSERT (local_got_offsets != NULL |
4843 | && local_got_offsets[r_symndx] != (bfd_vma) -1); | |
4844 | ||
4845 | off = local_got_offsets[r_symndx]; | |
fbca6ad9 AO |
4846 | #ifdef INCLUDE_SHMEDIA |
4847 | } | |
4848 | #endif | |
37c644f2 AO |
4849 | |
4850 | /* The offset must always be a multiple of 4. We use | |
4851 | the least significant bit to record whether we have | |
4852 | already generated the necessary reloc. */ | |
4853 | if ((off & 1) != 0) | |
4854 | off &= ~1; | |
4855 | else | |
4856 | { | |
4857 | bfd_put_32 (output_bfd, relocation, sgot->contents + off); | |
4858 | ||
4859 | if (info->shared) | |
4860 | { | |
4861 | asection *srelgot; | |
4862 | Elf_Internal_Rela outrel; | |
4863 | ||
4864 | srelgot = bfd_get_section_by_name (dynobj, ".rela.got"); | |
4865 | BFD_ASSERT (srelgot != NULL); | |
4866 | ||
4867 | outrel.r_offset = (sgot->output_section->vma | |
4868 | + sgot->output_offset | |
4869 | + off); | |
4870 | outrel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE); | |
4871 | outrel.r_addend = relocation; | |
4872 | bfd_elf32_swap_reloca_out (output_bfd, &outrel, | |
4873 | (((Elf32_External_Rela *) | |
4874 | srelgot->contents) | |
4875 | + srelgot->reloc_count)); | |
4876 | ++srelgot->reloc_count; | |
4877 | } | |
4878 | ||
fbca6ad9 AO |
4879 | #ifdef INCLUDE_SHMEDIA |
4880 | if (rel->r_addend) | |
4881 | local_got_offsets[symtab_hdr->sh_info + r_symndx] |= 1; | |
4882 | else | |
4883 | #endif | |
4884 | local_got_offsets[r_symndx] |= 1; | |
37c644f2 AO |
4885 | } |
4886 | ||
4887 | relocation = sgot->output_offset + off; | |
4888 | } | |
4889 | ||
fbca6ad9 | 4890 | #ifdef GOT_BIAS |
067653c5 | 4891 | relocation -= GOT_BIAS; |
fbca6ad9 AO |
4892 | #endif |
4893 | ||
37c644f2 AO |
4894 | goto final_link_relocate; |
4895 | ||
4896 | case R_SH_GOTOFF: | |
fbca6ad9 AO |
4897 | #ifdef INCLUDE_SHMEDIA |
4898 | case R_SH_GOTOFF_LOW16: | |
4899 | case R_SH_GOTOFF_MEDLOW16: | |
4900 | case R_SH_GOTOFF_MEDHI16: | |
4901 | case R_SH_GOTOFF_HI16: | |
4902 | #endif | |
37c644f2 AO |
4903 | /* Relocation is relative to the start of the global offset |
4904 | table. */ | |
4905 | ||
067653c5 | 4906 | BFD_ASSERT (sgot != NULL); |
37c644f2 AO |
4907 | |
4908 | /* Note that sgot->output_offset is not involved in this | |
4909 | calculation. We always want the start of .got. If we | |
4910 | defined _GLOBAL_OFFSET_TABLE in a different way, as is | |
4911 | permitted by the ABI, we might have to change this | |
4912 | calculation. */ | |
4913 | relocation -= sgot->output_section->vma; | |
4914 | ||
fbca6ad9 AO |
4915 | #ifdef GOT_BIAS |
4916 | relocation -= GOT_BIAS; | |
4917 | #endif | |
4918 | ||
4919 | addend = rel->r_addend; | |
4920 | ||
37c644f2 AO |
4921 | goto final_link_relocate; |
4922 | ||
4923 | case R_SH_GOTPC: | |
fbca6ad9 AO |
4924 | #ifdef INCLUDE_SHMEDIA |
4925 | case R_SH_GOTPC_LOW16: | |
4926 | case R_SH_GOTPC_MEDLOW16: | |
4927 | case R_SH_GOTPC_MEDHI16: | |
4928 | case R_SH_GOTPC_HI16: | |
4929 | #endif | |
37c644f2 AO |
4930 | /* Use global offset table as symbol value. */ |
4931 | ||
067653c5 | 4932 | BFD_ASSERT (sgot != NULL); |
37c644f2 AO |
4933 | relocation = sgot->output_section->vma; |
4934 | ||
fbca6ad9 AO |
4935 | #ifdef GOT_BIAS |
4936 | relocation += GOT_BIAS; | |
4937 | #endif | |
4938 | ||
4939 | addend = rel->r_addend; | |
4940 | ||
37c644f2 AO |
4941 | goto final_link_relocate; |
4942 | ||
4943 | case R_SH_PLT32: | |
fbca6ad9 AO |
4944 | #ifdef INCLUDE_SHMEDIA |
4945 | case R_SH_PLT_LOW16: | |
4946 | case R_SH_PLT_MEDLOW16: | |
4947 | case R_SH_PLT_MEDHI16: | |
4948 | case R_SH_PLT_HI16: | |
4949 | #endif | |
37c644f2 AO |
4950 | /* Relocation is to the entry for this symbol in the |
4951 | procedure linkage table. */ | |
4952 | ||
4953 | /* Resolve a PLT reloc against a local symbol directly, | |
4954 | without using the procedure linkage table. */ | |
4955 | if (h == NULL) | |
4956 | goto final_link_relocate; | |
4957 | ||
067653c5 | 4958 | if (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) |
37c644f2 AO |
4959 | goto final_link_relocate; |
4960 | ||
4961 | if (h->plt.offset == (bfd_vma) -1) | |
4962 | { | |
4963 | /* We didn't make a PLT entry for this symbol. This | |
4964 | happens when statically linking PIC code, or when | |
4965 | using -Bsymbolic. */ | |
4966 | goto final_link_relocate; | |
4967 | } | |
4968 | ||
067653c5 | 4969 | BFD_ASSERT (splt != NULL); |
37c644f2 AO |
4970 | relocation = (splt->output_section->vma |
4971 | + splt->output_offset | |
4972 | + h->plt.offset); | |
4973 | ||
fbca6ad9 AO |
4974 | #ifdef INCLUDE_SHMEDIA |
4975 | relocation++; | |
4976 | #endif | |
4977 | ||
4978 | addend = rel->r_addend; | |
4979 | ||
37c644f2 AO |
4980 | goto final_link_relocate; |
4981 | ||
4982 | case R_SH_LOOP_START: | |
4983 | { | |
4984 | static bfd_vma start, end; | |
4985 | ||
4986 | start = (relocation + rel->r_addend | |
4987 | - (sec->output_section->vma + sec->output_offset)); | |
4988 | r = sh_elf_reloc_loop (r_type, input_bfd, input_section, contents, | |
4989 | rel->r_offset, sec, start, end); | |
4990 | break; | |
4991 | ||
4992 | case R_SH_LOOP_END: | |
4993 | end = (relocation + rel->r_addend | |
4994 | - (sec->output_section->vma + sec->output_offset)); | |
4995 | r = sh_elf_reloc_loop (r_type, input_bfd, input_section, contents, | |
4996 | rel->r_offset, sec, start, end); | |
4997 | break; | |
4998 | } | |
4999 | } | |
5000 | ||
146be91a | 5001 | relocation_done: |
37c644f2 AO |
5002 | if (r != bfd_reloc_ok) |
5003 | { | |
5004 | switch (r) | |
5005 | { | |
5006 | default: | |
5007 | case bfd_reloc_outofrange: | |
5008 | abort (); | |
5009 | case bfd_reloc_overflow: | |
5010 | { | |
5011 | const char *name; | |
5012 | ||
5013 | if (h != NULL) | |
5014 | name = h->root.root.string; | |
5015 | else | |
5016 | { | |
252b5132 RH |
5017 | name = (bfd_elf_string_from_elf_section |
5018 | (input_bfd, symtab_hdr->sh_link, sym->st_name)); | |
5019 | if (name == NULL) | |
5020 | return false; | |
5021 | if (*name == '\0') | |
5022 | name = bfd_section_name (input_bfd, sec); | |
5023 | } | |
5024 | if (! ((*info->callbacks->reloc_overflow) | |
5025 | (info, name, howto->name, (bfd_vma) 0, | |
5026 | input_bfd, input_section, rel->r_offset))) | |
5027 | return false; | |
5028 | } | |
5029 | break; | |
5030 | } | |
5031 | } | |
5032 | } | |
5033 | ||
5034 | return true; | |
5035 | } | |
5036 | ||
5037 | /* This is a version of bfd_generic_get_relocated_section_contents | |
5038 | which uses sh_elf_relocate_section. */ | |
5039 | ||
5040 | static bfd_byte * | |
5041 | sh_elf_get_relocated_section_contents (output_bfd, link_info, link_order, | |
435b1e90 | 5042 | data, relocateable, symbols) |
252b5132 RH |
5043 | bfd *output_bfd; |
5044 | struct bfd_link_info *link_info; | |
5045 | struct bfd_link_order *link_order; | |
5046 | bfd_byte *data; | |
5047 | boolean relocateable; | |
5048 | asymbol **symbols; | |
5049 | { | |
5050 | Elf_Internal_Shdr *symtab_hdr; | |
5051 | asection *input_section = link_order->u.indirect.section; | |
5052 | bfd *input_bfd = input_section->owner; | |
5053 | asection **sections = NULL; | |
5054 | Elf_Internal_Rela *internal_relocs = NULL; | |
6cdc0ccc | 5055 | Elf_Internal_Sym *isymbuf = NULL; |
252b5132 RH |
5056 | |
5057 | /* We only need to handle the case of relaxing, or of having a | |
5058 | particular set of section contents, specially. */ | |
5059 | if (relocateable | |
5060 | || elf_section_data (input_section)->this_hdr.contents == NULL) | |
5061 | return bfd_generic_get_relocated_section_contents (output_bfd, link_info, | |
5062 | link_order, data, | |
5063 | relocateable, | |
5064 | symbols); | |
5065 | ||
5066 | symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr; | |
5067 | ||
5068 | memcpy (data, elf_section_data (input_section)->this_hdr.contents, | |
dc810e39 | 5069 | (size_t) input_section->_raw_size); |
252b5132 RH |
5070 | |
5071 | if ((input_section->flags & SEC_RELOC) != 0 | |
5072 | && input_section->reloc_count > 0) | |
5073 | { | |
252b5132 | 5074 | asection **secpp; |
6cdc0ccc | 5075 | Elf_Internal_Sym *isym, *isymend; |
9ad5cbcf | 5076 | bfd_size_type amt; |
252b5132 | 5077 | |
252b5132 RH |
5078 | internal_relocs = (_bfd_elf32_link_read_relocs |
5079 | (input_bfd, input_section, (PTR) NULL, | |
5080 | (Elf_Internal_Rela *) NULL, false)); | |
5081 | if (internal_relocs == NULL) | |
5082 | goto error_return; | |
5083 | ||
6cdc0ccc AM |
5084 | if (symtab_hdr->sh_info != 0) |
5085 | { | |
5086 | isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents; | |
5087 | if (isymbuf == NULL) | |
5088 | isymbuf = bfd_elf_get_elf_syms (input_bfd, symtab_hdr, | |
5089 | symtab_hdr->sh_info, 0, | |
5090 | NULL, NULL, NULL); | |
5091 | if (isymbuf == NULL) | |
5092 | goto error_return; | |
5093 | } | |
252b5132 | 5094 | |
9ad5cbcf AM |
5095 | amt = symtab_hdr->sh_info; |
5096 | amt *= sizeof (asection *); | |
5097 | sections = (asection **) bfd_malloc (amt); | |
5098 | if (sections == NULL && amt != 0) | |
252b5132 RH |
5099 | goto error_return; |
5100 | ||
6cdc0ccc AM |
5101 | isymend = isymbuf + symtab_hdr->sh_info; |
5102 | for (isym = isymbuf, secpp = sections; isym < isymend; ++isym, ++secpp) | |
252b5132 RH |
5103 | { |
5104 | asection *isec; | |
5105 | ||
6cdc0ccc | 5106 | if (isym->st_shndx == SHN_UNDEF) |
252b5132 | 5107 | isec = bfd_und_section_ptr; |
6cdc0ccc | 5108 | else if (isym->st_shndx == SHN_ABS) |
252b5132 | 5109 | isec = bfd_abs_section_ptr; |
6cdc0ccc | 5110 | else if (isym->st_shndx == SHN_COMMON) |
252b5132 RH |
5111 | isec = bfd_com_section_ptr; |
5112 | else | |
6cdc0ccc | 5113 | isec = bfd_section_from_elf_index (input_bfd, isym->st_shndx); |
252b5132 RH |
5114 | |
5115 | *secpp = isec; | |
5116 | } | |
5117 | ||
5118 | if (! sh_elf_relocate_section (output_bfd, link_info, input_bfd, | |
5119 | input_section, data, internal_relocs, | |
6cdc0ccc | 5120 | isymbuf, sections)) |
252b5132 RH |
5121 | goto error_return; |
5122 | ||
5123 | if (sections != NULL) | |
5124 | free (sections); | |
6cdc0ccc AM |
5125 | if (isymbuf != NULL |
5126 | && symtab_hdr->contents != (unsigned char *) isymbuf) | |
5127 | free (isymbuf); | |
5128 | if (elf_section_data (input_section)->relocs != internal_relocs) | |
252b5132 | 5129 | free (internal_relocs); |
252b5132 RH |
5130 | } |
5131 | ||
5132 | return data; | |
5133 | ||
5134 | error_return: | |
252b5132 RH |
5135 | if (sections != NULL) |
5136 | free (sections); | |
6cdc0ccc AM |
5137 | if (isymbuf != NULL |
5138 | && symtab_hdr->contents != (unsigned char *) isymbuf) | |
5139 | free (isymbuf); | |
5140 | if (internal_relocs != NULL | |
5141 | && elf_section_data (input_section)->relocs != internal_relocs) | |
5142 | free (internal_relocs); | |
252b5132 RH |
5143 | return NULL; |
5144 | } | |
917583ad | 5145 | |
252b5132 | 5146 | static asection * |
1e2f5b6e AM |
5147 | sh_elf_gc_mark_hook (sec, info, rel, h, sym) |
5148 | asection *sec; | |
435b1e90 KH |
5149 | struct bfd_link_info *info ATTRIBUTE_UNUSED; |
5150 | Elf_Internal_Rela *rel; | |
5151 | struct elf_link_hash_entry *h; | |
5152 | Elf_Internal_Sym *sym; | |
252b5132 RH |
5153 | { |
5154 | if (h != NULL) | |
5155 | { | |
5156 | switch (ELF32_R_TYPE (rel->r_info)) | |
435b1e90 KH |
5157 | { |
5158 | case R_SH_GNU_VTINHERIT: | |
5159 | case R_SH_GNU_VTENTRY: | |
5160 | break; | |
252b5132 | 5161 | |
435b1e90 | 5162 | default: |
4972a8e9 SC |
5163 | #ifdef INCLUDE_SHMEDIA |
5164 | while (h->root.type == bfd_link_hash_indirect | |
5165 | && h->root.u.i.link) | |
5166 | h = (struct elf_link_hash_entry *) h->root.u.i.link; | |
5167 | #endif | |
435b1e90 KH |
5168 | switch (h->root.type) |
5169 | { | |
5170 | case bfd_link_hash_defined: | |
5171 | case bfd_link_hash_defweak: | |
5172 | return h->root.u.def.section; | |
252b5132 | 5173 | |
435b1e90 KH |
5174 | case bfd_link_hash_common: |
5175 | return h->root.u.c.p->section; | |
e049a0de | 5176 | |
435b1e90 KH |
5177 | default: |
5178 | break; | |
5179 | } | |
5180 | } | |
5181 | } | |
5182 | else | |
1e2f5b6e | 5183 | return bfd_section_from_elf_index (sec->owner, sym->st_shndx); |
9ad5cbcf | 5184 | |
252b5132 RH |
5185 | return NULL; |
5186 | } | |
5187 | ||
37c644f2 AO |
5188 | /* Update the got entry reference counts for the section being removed. */ |
5189 | ||
252b5132 RH |
5190 | static boolean |
5191 | sh_elf_gc_sweep_hook (abfd, info, sec, relocs) | |
067653c5 AM |
5192 | bfd *abfd; |
5193 | struct bfd_link_info *info; | |
5194 | asection *sec; | |
5195 | const Elf_Internal_Rela *relocs; | |
252b5132 | 5196 | { |
067653c5 AM |
5197 | Elf_Internal_Shdr *symtab_hdr; |
5198 | struct elf_link_hash_entry **sym_hashes; | |
5199 | bfd_signed_vma *local_got_refcounts; | |
5200 | const Elf_Internal_Rela *rel, *relend; | |
5201 | unsigned long r_symndx; | |
5202 | struct elf_link_hash_entry *h; | |
5203 | ||
5204 | elf_section_data (sec)->local_dynrel = NULL; | |
5205 | ||
5206 | symtab_hdr = &elf_tdata (abfd)->symtab_hdr; | |
5207 | sym_hashes = elf_sym_hashes (abfd); | |
5208 | local_got_refcounts = elf_local_got_refcounts (abfd); | |
5209 | ||
5210 | relend = relocs + sec->reloc_count; | |
5211 | for (rel = relocs; rel < relend; rel++) | |
5212 | switch (ELF32_R_TYPE (rel->r_info)) | |
5213 | { | |
5214 | case R_SH_GOT32: | |
5215 | case R_SH_GOTOFF: | |
5216 | case R_SH_GOTPC: | |
5217 | #ifdef INCLUDE_SHMEDIA | |
5218 | case R_SH_GOT_LOW16: | |
5219 | case R_SH_GOT_MEDLOW16: | |
5220 | case R_SH_GOT_MEDHI16: | |
5221 | case R_SH_GOT_HI16: | |
5222 | case R_SH_GOT10BY4: | |
5223 | case R_SH_GOT10BY8: | |
5224 | case R_SH_GOTOFF_LOW16: | |
5225 | case R_SH_GOTOFF_MEDLOW16: | |
5226 | case R_SH_GOTOFF_MEDHI16: | |
5227 | case R_SH_GOTOFF_HI16: | |
5228 | case R_SH_GOTPC_LOW16: | |
5229 | case R_SH_GOTPC_MEDLOW16: | |
5230 | case R_SH_GOTPC_MEDHI16: | |
5231 | case R_SH_GOTPC_HI16: | |
5232 | #endif | |
5233 | r_symndx = ELF32_R_SYM (rel->r_info); | |
5234 | if (r_symndx >= symtab_hdr->sh_info) | |
5235 | { | |
5236 | h = sym_hashes[r_symndx - symtab_hdr->sh_info]; | |
5237 | if (h->got.refcount > 0) | |
5238 | h->got.refcount -= 1; | |
5239 | } | |
5240 | else if (local_got_refcounts != NULL) | |
5241 | { | |
5242 | if (local_got_refcounts[r_symndx] > 0) | |
5243 | local_got_refcounts[r_symndx] -= 1; | |
5244 | } | |
5245 | break; | |
5246 | ||
5247 | case R_SH_DIR32: | |
5248 | case R_SH_REL32: | |
5249 | r_symndx = ELF32_R_SYM (rel->r_info); | |
5250 | if (r_symndx >= symtab_hdr->sh_info) | |
5251 | { | |
5252 | struct elf_sh_link_hash_entry *eh; | |
5253 | struct elf_sh_dyn_relocs **pp; | |
5254 | struct elf_sh_dyn_relocs *p; | |
5255 | ||
5256 | h = sym_hashes[r_symndx - symtab_hdr->sh_info]; | |
5257 | ||
5258 | if (!info->shared && h->plt.refcount > 0) | |
5259 | h->plt.refcount -= 1; | |
5260 | ||
5261 | eh = (struct elf_sh_link_hash_entry *) h; | |
5262 | ||
5263 | for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next) | |
5264 | if (p->sec == sec) | |
5265 | { | |
5266 | if (ELF32_R_TYPE (rel->r_info) == R_SH_REL32) | |
5267 | p->pc_count -= 1; | |
5268 | p->count -= 1; | |
5269 | if (p->count == 0) | |
5270 | *pp = p->next; | |
5271 | break; | |
5272 | } | |
5273 | } | |
5274 | break; | |
5275 | ||
5276 | case R_SH_PLT32: | |
5277 | #ifdef INCLUDE_SHMEDIA | |
5278 | case R_SH_PLT_LOW16: | |
5279 | case R_SH_PLT_MEDLOW16: | |
5280 | case R_SH_PLT_MEDHI16: | |
5281 | case R_SH_PLT_HI16: | |
5282 | #endif | |
5283 | r_symndx = ELF32_R_SYM (rel->r_info); | |
5284 | if (r_symndx >= symtab_hdr->sh_info) | |
5285 | { | |
5286 | h = sym_hashes[r_symndx - symtab_hdr->sh_info]; | |
5287 | if (h->plt.refcount > 0) | |
5288 | h->plt.refcount -= 1; | |
5289 | } | |
5290 | break; | |
5291 | ||
5292 | case R_SH_GOTPLT32: | |
5293 | #ifdef INCLUDE_SHMEDIA | |
5294 | case R_SH_GOTPLT_LOW16: | |
5295 | case R_SH_GOTPLT_MEDLOW16: | |
5296 | case R_SH_GOTPLT_MEDHI16: | |
5297 | case R_SH_GOTPLT_HI16: | |
5298 | case R_SH_GOTPLT10BY4: | |
5299 | case R_SH_GOTPLT10BY8: | |
5300 | #endif | |
5301 | r_symndx = ELF32_R_SYM (rel->r_info); | |
5302 | if (r_symndx >= symtab_hdr->sh_info) | |
5303 | { | |
5304 | h = sym_hashes[r_symndx - symtab_hdr->sh_info]; | |
5305 | if (h->got.refcount > 0) | |
5306 | h->got.refcount -= 1; | |
5307 | if (h->plt.refcount > 0) | |
5308 | h->plt.refcount -= 1; | |
5309 | } | |
5310 | else if (local_got_refcounts != NULL) | |
5311 | { | |
5312 | if (local_got_refcounts[r_symndx] > 0) | |
5313 | local_got_refcounts[r_symndx] -= 1; | |
5314 | } | |
5315 | break; | |
5316 | ||
5317 | default: | |
5318 | break; | |
5319 | } | |
5320 | ||
252b5132 RH |
5321 | return true; |
5322 | } | |
5323 | ||
067653c5 AM |
5324 | /* Copy the extra info we tack onto an elf_link_hash_entry. */ |
5325 | ||
5326 | static void | |
5327 | sh_elf_copy_indirect_symbol (bed, dir, ind) | |
5328 | struct elf_backend_data *bed; | |
5329 | struct elf_link_hash_entry *dir, *ind; | |
5330 | { | |
5331 | struct elf_sh_link_hash_entry *edir, *eind; | |
5332 | ||
5333 | edir = (struct elf_sh_link_hash_entry *) dir; | |
5334 | eind = (struct elf_sh_link_hash_entry *) ind; | |
5335 | ||
5336 | if (eind->dyn_relocs != NULL) | |
5337 | { | |
5338 | if (edir->dyn_relocs != NULL) | |
5339 | { | |
5340 | struct elf_sh_dyn_relocs **pp; | |
5341 | struct elf_sh_dyn_relocs *p; | |
5342 | ||
5343 | BFD_ASSERT (ind->root.type != bfd_link_hash_indirect); | |
5344 | ||
5345 | /* Add reloc counts against the weak sym to the strong sym | |
5346 | list. Merge any entries against the same section. */ | |
5347 | for (pp = &eind->dyn_relocs; (p = *pp) != NULL; ) | |
5348 | { | |
5349 | struct elf_sh_dyn_relocs *q; | |
5350 | ||
5351 | for (q = edir->dyn_relocs; q != NULL; q = q->next) | |
5352 | if (q->sec == p->sec) | |
5353 | { | |
5354 | q->pc_count += p->pc_count; | |
5355 | q->count += p->count; | |
5356 | *pp = p->next; | |
5357 | break; | |
5358 | } | |
5359 | if (q == NULL) | |
5360 | pp = &p->next; | |
5361 | } | |
5362 | *pp = edir->dyn_relocs; | |
5363 | } | |
5364 | ||
5365 | edir->dyn_relocs = eind->dyn_relocs; | |
5366 | eind->dyn_relocs = NULL; | |
5367 | } | |
5368 | ||
5369 | _bfd_elf_link_hash_copy_indirect (bed, dir, ind); | |
5370 | } | |
5371 | ||
252b5132 RH |
5372 | /* Look through the relocs for a section during the first phase. |
5373 | Since we don't do .gots or .plts, we just need to consider the | |
5374 | virtual table relocs for gc. */ | |
435b1e90 | 5375 | |
252b5132 RH |
5376 | static boolean |
5377 | sh_elf_check_relocs (abfd, info, sec, relocs) | |
5378 | bfd *abfd; | |
5379 | struct bfd_link_info *info; | |
5380 | asection *sec; | |
5381 | const Elf_Internal_Rela *relocs; | |
5382 | { | |
5383 | Elf_Internal_Shdr *symtab_hdr; | |
5384 | struct elf_link_hash_entry **sym_hashes, **sym_hashes_end; | |
067653c5 | 5385 | struct elf_sh_link_hash_table *htab; |
252b5132 RH |
5386 | const Elf_Internal_Rela *rel; |
5387 | const Elf_Internal_Rela *rel_end; | |
37c644f2 AO |
5388 | bfd *dynobj; |
5389 | bfd_vma *local_got_offsets; | |
5390 | asection *sgot; | |
5391 | asection *srelgot; | |
5392 | asection *sreloc; | |
435b1e90 | 5393 | |
37c644f2 AO |
5394 | sgot = NULL; |
5395 | srelgot = NULL; | |
5396 | sreloc = NULL; | |
5397 | ||
252b5132 RH |
5398 | if (info->relocateable) |
5399 | return true; | |
435b1e90 | 5400 | |
252b5132 RH |
5401 | symtab_hdr = &elf_tdata (abfd)->symtab_hdr; |
5402 | sym_hashes = elf_sym_hashes (abfd); | |
435b1e90 | 5403 | sym_hashes_end = sym_hashes + symtab_hdr->sh_size/sizeof (Elf32_External_Sym); |
252b5132 RH |
5404 | if (!elf_bad_symtab (abfd)) |
5405 | sym_hashes_end -= symtab_hdr->sh_info; | |
435b1e90 | 5406 | |
067653c5 AM |
5407 | htab = sh_elf_hash_table (info); |
5408 | dynobj = htab->root.dynobj; | |
37c644f2 AO |
5409 | local_got_offsets = elf_local_got_offsets (abfd); |
5410 | ||
252b5132 RH |
5411 | rel_end = relocs + sec->reloc_count; |
5412 | for (rel = relocs; rel < rel_end; rel++) | |
5413 | { | |
5414 | struct elf_link_hash_entry *h; | |
5415 | unsigned long r_symndx; | |
435b1e90 | 5416 | |
252b5132 RH |
5417 | r_symndx = ELF32_R_SYM (rel->r_info); |
5418 | if (r_symndx < symtab_hdr->sh_info) | |
435b1e90 | 5419 | h = NULL; |
252b5132 | 5420 | else |
435b1e90 KH |
5421 | h = sym_hashes[r_symndx - symtab_hdr->sh_info]; |
5422 | ||
37c644f2 | 5423 | /* Some relocs require a global offset table. */ |
067653c5 | 5424 | if (htab->sgot == NULL) |
37c644f2 AO |
5425 | { |
5426 | switch (ELF32_R_TYPE (rel->r_info)) | |
5427 | { | |
fbca6ad9 | 5428 | case R_SH_GOTPLT32: |
37c644f2 AO |
5429 | case R_SH_GOT32: |
5430 | case R_SH_GOTOFF: | |
5431 | case R_SH_GOTPC: | |
fbca6ad9 AO |
5432 | #ifdef INCLUDE_SHMEDIA |
5433 | case R_SH_GOTPLT_LOW16: | |
5434 | case R_SH_GOTPLT_MEDLOW16: | |
5435 | case R_SH_GOTPLT_MEDHI16: | |
5436 | case R_SH_GOTPLT_HI16: | |
5437 | case R_SH_GOTPLT10BY4: | |
5438 | case R_SH_GOTPLT10BY8: | |
5439 | case R_SH_GOT_LOW16: | |
5440 | case R_SH_GOT_MEDLOW16: | |
5441 | case R_SH_GOT_MEDHI16: | |
5442 | case R_SH_GOT_HI16: | |
5443 | case R_SH_GOT10BY4: | |
5444 | case R_SH_GOT10BY8: | |
5445 | case R_SH_GOTOFF_LOW16: | |
5446 | case R_SH_GOTOFF_MEDLOW16: | |
5447 | case R_SH_GOTOFF_MEDHI16: | |
5448 | case R_SH_GOTOFF_HI16: | |
5449 | case R_SH_GOTPC_LOW16: | |
5450 | case R_SH_GOTPC_MEDLOW16: | |
5451 | case R_SH_GOTPC_MEDHI16: | |
5452 | case R_SH_GOTPC_HI16: | |
5453 | #endif | |
067653c5 AM |
5454 | if (dynobj == NULL) |
5455 | htab->root.dynobj = dynobj = abfd; | |
5456 | if (! create_got_section (dynobj, info)) | |
37c644f2 AO |
5457 | return false; |
5458 | break; | |
5459 | ||
5460 | default: | |
5461 | break; | |
5462 | } | |
5463 | } | |
5464 | ||
252b5132 | 5465 | switch (ELF32_R_TYPE (rel->r_info)) |
067653c5 AM |
5466 | { |
5467 | /* This relocation describes the C++ object vtable hierarchy. | |
5468 | Reconstruct it for later use during GC. */ | |
435b1e90 KH |
5469 | case R_SH_GNU_VTINHERIT: |
5470 | if (!_bfd_elf32_gc_record_vtinherit (abfd, sec, h, rel->r_offset)) | |
5471 | return false; | |
5472 | break; | |
5473 | ||
067653c5 AM |
5474 | /* This relocation describes which C++ vtable entries are actually |
5475 | used. Record for later use during GC. */ | |
435b1e90 KH |
5476 | case R_SH_GNU_VTENTRY: |
5477 | if (!_bfd_elf32_gc_record_vtentry (abfd, sec, h, rel->r_addend)) | |
5478 | return false; | |
5479 | break; | |
37c644f2 | 5480 | |
fbca6ad9 | 5481 | force_got: |
37c644f2 | 5482 | case R_SH_GOT32: |
fbca6ad9 AO |
5483 | #ifdef INCLUDE_SHMEDIA |
5484 | case R_SH_GOT_LOW16: | |
5485 | case R_SH_GOT_MEDLOW16: | |
5486 | case R_SH_GOT_MEDHI16: | |
5487 | case R_SH_GOT_HI16: | |
5488 | case R_SH_GOT10BY4: | |
5489 | case R_SH_GOT10BY8: | |
5490 | #endif | |
37c644f2 | 5491 | if (h != NULL) |
067653c5 | 5492 | h->got.refcount += 1; |
37c644f2 AO |
5493 | else |
5494 | { | |
067653c5 AM |
5495 | bfd_signed_vma *local_got_refcounts; |
5496 | ||
435b1e90 | 5497 | /* This is a global offset table entry for a local |
067653c5 AM |
5498 | symbol. */ |
5499 | local_got_refcounts = elf_local_got_refcounts (abfd); | |
5500 | if (local_got_refcounts == NULL) | |
37c644f2 | 5501 | { |
dc810e39 | 5502 | bfd_size_type size; |
37c644f2 | 5503 | |
dc810e39 | 5504 | size = symtab_hdr->sh_info; |
067653c5 | 5505 | size *= sizeof (bfd_signed_vma); |
fbca6ad9 AO |
5506 | #ifdef INCLUDE_SHMEDIA |
5507 | /* Reserve space for both the datalabel and | |
5508 | codelabel local GOT offsets. */ | |
5509 | size *= 2; | |
5510 | #endif | |
067653c5 AM |
5511 | local_got_refcounts = ((bfd_signed_vma *) |
5512 | bfd_zalloc (abfd, size)); | |
5513 | if (local_got_refcounts == NULL) | |
37c644f2 | 5514 | return false; |
067653c5 | 5515 | elf_local_got_refcounts (abfd) = local_got_refcounts; |
37c644f2 | 5516 | } |
067653c5 | 5517 | local_got_refcounts[r_symndx] += 1; |
37c644f2 | 5518 | } |
37c644f2 AO |
5519 | break; |
5520 | ||
fbca6ad9 AO |
5521 | case R_SH_GOTPLT32: |
5522 | #ifdef INCLUDE_SHMEDIA | |
5523 | case R_SH_GOTPLT_LOW16: | |
5524 | case R_SH_GOTPLT_MEDLOW16: | |
5525 | case R_SH_GOTPLT_MEDHI16: | |
5526 | case R_SH_GOTPLT_HI16: | |
5527 | case R_SH_GOTPLT10BY4: | |
5528 | case R_SH_GOTPLT10BY8: | |
5529 | #endif | |
5530 | /* If this is a local symbol, we resolve it directly without | |
5531 | creating a procedure linkage table entry. */ | |
5532 | ||
5533 | if (h == NULL | |
067653c5 | 5534 | || (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) |
fbca6ad9 AO |
5535 | || ! info->shared |
5536 | || info->symbolic | |
067653c5 | 5537 | || h->dynindx == -1) |
fbca6ad9 AO |
5538 | goto force_got; |
5539 | ||
fbca6ad9 | 5540 | h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_PLT; |
067653c5 | 5541 | h->plt.refcount += 1; |
fbca6ad9 AO |
5542 | |
5543 | break; | |
5544 | ||
37c644f2 | 5545 | case R_SH_PLT32: |
fbca6ad9 AO |
5546 | #ifdef INCLUDE_SHMEDIA |
5547 | case R_SH_PLT_LOW16: | |
5548 | case R_SH_PLT_MEDLOW16: | |
5549 | case R_SH_PLT_MEDHI16: | |
5550 | case R_SH_PLT_HI16: | |
5551 | #endif | |
37c644f2 AO |
5552 | /* This symbol requires a procedure linkage table entry. We |
5553 | actually build the entry in adjust_dynamic_symbol, | |
5554 | because this might be a case of linking PIC code which is | |
5555 | never referenced by a dynamic object, in which case we | |
5556 | don't need to generate a procedure linkage table entry | |
5557 | after all. */ | |
5558 | ||
5559 | /* If this is a local symbol, we resolve it directly without | |
5560 | creating a procedure linkage table entry. */ | |
5561 | if (h == NULL) | |
5562 | continue; | |
5563 | ||
067653c5 | 5564 | if (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) |
37c644f2 AO |
5565 | break; |
5566 | ||
5567 | h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_PLT; | |
067653c5 | 5568 | h->plt.refcount += 1; |
37c644f2 AO |
5569 | break; |
5570 | ||
5571 | case R_SH_DIR32: | |
5572 | case R_SH_REL32: | |
067653c5 AM |
5573 | if (h != NULL && ! info->shared) |
5574 | { | |
5575 | h->elf_link_hash_flags |= ELF_LINK_NON_GOT_REF; | |
5576 | h->plt.refcount += 1; | |
5577 | } | |
37c644f2 AO |
5578 | |
5579 | /* If we are creating a shared library, and this is a reloc | |
5580 | against a global symbol, or a non PC relative reloc | |
5581 | against a local symbol, then we need to copy the reloc | |
5582 | into the shared library. However, if we are linking with | |
5583 | -Bsymbolic, we do not need to copy a reloc against a | |
5584 | global symbol which is defined in an object we are | |
5585 | including in the link (i.e., DEF_REGULAR is set). At | |
5586 | this point we have not seen all the input files, so it is | |
5587 | possible that DEF_REGULAR is not set now but will be set | |
5588 | later (it is never cleared). We account for that | |
5589 | possibility below by storing information in the | |
067653c5 AM |
5590 | dyn_relocs field of the hash table entry. A similar |
5591 | situation occurs when creating shared libraries and symbol | |
5592 | visibility changes render the symbol local. | |
5593 | ||
5594 | If on the other hand, we are creating an executable, we | |
5595 | may need to keep relocations for symbols satisfied by a | |
5596 | dynamic library if we manage to avoid copy relocs for the | |
5597 | symbol. */ | |
5598 | if ((info->shared | |
5599 | && (sec->flags & SEC_ALLOC) != 0 | |
5600 | && (ELF32_R_TYPE (rel->r_info) != R_SH_REL32 | |
5601 | || (h != NULL | |
5602 | && (! info->symbolic | |
5603 | || h->root.type == bfd_link_hash_defweak | |
5604 | || (h->elf_link_hash_flags | |
5605 | & ELF_LINK_HASH_DEF_REGULAR) == 0)))) | |
5606 | || (! info->shared | |
5607 | && (sec->flags & SEC_ALLOC) != 0 | |
5608 | && h != NULL | |
5609 | && (h->root.type == bfd_link_hash_defweak | |
5610 | || (h->elf_link_hash_flags | |
5611 | & ELF_LINK_HASH_DEF_REGULAR) == 0))) | |
37c644f2 | 5612 | { |
067653c5 AM |
5613 | struct elf_sh_dyn_relocs *p; |
5614 | struct elf_sh_dyn_relocs **head; | |
5615 | ||
5616 | if (dynobj == NULL) | |
5617 | htab->root.dynobj = dynobj = abfd; | |
5618 | ||
37c644f2 AO |
5619 | /* When creating a shared object, we must copy these |
5620 | reloc types into the output file. We create a reloc | |
5621 | section in dynobj and make room for this reloc. */ | |
5622 | if (sreloc == NULL) | |
5623 | { | |
5624 | const char *name; | |
5625 | ||
5626 | name = (bfd_elf_string_from_elf_section | |
5627 | (abfd, | |
5628 | elf_elfheader (abfd)->e_shstrndx, | |
5629 | elf_section_data (sec)->rel_hdr.sh_name)); | |
5630 | if (name == NULL) | |
5631 | return false; | |
5632 | ||
5633 | BFD_ASSERT (strncmp (name, ".rela", 5) == 0 | |
5634 | && strcmp (bfd_get_section_name (abfd, sec), | |
5635 | name + 5) == 0); | |
5636 | ||
5637 | sreloc = bfd_get_section_by_name (dynobj, name); | |
5638 | if (sreloc == NULL) | |
5639 | { | |
5640 | flagword flags; | |
5641 | ||
5642 | sreloc = bfd_make_section (dynobj, name); | |
5643 | flags = (SEC_HAS_CONTENTS | SEC_READONLY | |
5644 | | SEC_IN_MEMORY | SEC_LINKER_CREATED); | |
5645 | if ((sec->flags & SEC_ALLOC) != 0) | |
5646 | flags |= SEC_ALLOC | SEC_LOAD; | |
5647 | if (sreloc == NULL | |
5648 | || ! bfd_set_section_flags (dynobj, sreloc, flags) | |
5649 | || ! bfd_set_section_alignment (dynobj, sreloc, 2)) | |
5650 | return false; | |
5651 | } | |
99e4ae17 AJ |
5652 | if (sec->flags & SEC_READONLY) |
5653 | info->flags |= DF_TEXTREL; | |
067653c5 | 5654 | elf_section_data (sec)->sreloc = sreloc; |
37c644f2 AO |
5655 | } |
5656 | ||
067653c5 AM |
5657 | /* If this is a global symbol, we count the number of |
5658 | relocations we need for this symbol. */ | |
5659 | if (h != NULL) | |
5660 | head = &((struct elf_sh_link_hash_entry *) h)->dyn_relocs; | |
5661 | else | |
37c644f2 | 5662 | { |
067653c5 | 5663 | asection *s; |
37c644f2 | 5664 | |
067653c5 AM |
5665 | /* Track dynamic relocs needed for local syms too. */ |
5666 | s = bfd_section_from_r_symndx (abfd, &htab->sym_sec, | |
5667 | sec, r_symndx); | |
5668 | if (s == NULL) | |
5669 | return false; | |
37c644f2 | 5670 | |
067653c5 AM |
5671 | head = ((struct elf_sh_dyn_relocs **) |
5672 | &elf_section_data (s)->local_dynrel); | |
5673 | } | |
37c644f2 | 5674 | |
067653c5 AM |
5675 | p = *head; |
5676 | if (p == NULL || p->sec != sec) | |
5677 | { | |
5678 | bfd_size_type amt = sizeof (*p); | |
5679 | p = ((struct elf_sh_dyn_relocs *) bfd_alloc (dynobj, amt)); | |
37c644f2 | 5680 | if (p == NULL) |
067653c5 AM |
5681 | return false; |
5682 | p->next = *head; | |
5683 | *head = p; | |
5684 | p->sec = sec; | |
5685 | p->count = 0; | |
5686 | p->pc_count = 0; | |
37c644f2 | 5687 | } |
067653c5 AM |
5688 | |
5689 | p->count += 1; | |
5690 | if (ELF32_R_TYPE (rel->r_info) == R_SH_REL32) | |
5691 | p->pc_count += 1; | |
37c644f2 AO |
5692 | } |
5693 | ||
5694 | break; | |
435b1e90 | 5695 | } |
252b5132 | 5696 | } |
435b1e90 | 5697 | |
252b5132 RH |
5698 | return true; |
5699 | } | |
5700 | ||
fbca6ad9 | 5701 | #ifndef sh_elf_set_mach_from_flags |
1630fd2b | 5702 | static boolean |
d4845d57 | 5703 | sh_elf_set_mach_from_flags (abfd) |
435b1e90 | 5704 | bfd *abfd; |
d4845d57 JR |
5705 | { |
5706 | flagword flags = elf_elfheader (abfd)->e_flags; | |
5707 | ||
86033394 | 5708 | switch (flags & EF_SH_MACH_MASK) |
d4845d57 JR |
5709 | { |
5710 | case EF_SH1: | |
5711 | bfd_default_set_arch_mach (abfd, bfd_arch_sh, bfd_mach_sh); | |
5712 | break; | |
5713 | case EF_SH2: | |
5714 | bfd_default_set_arch_mach (abfd, bfd_arch_sh, bfd_mach_sh2); | |
5715 | break; | |
5716 | case EF_SH_DSP: | |
5717 | bfd_default_set_arch_mach (abfd, bfd_arch_sh, bfd_mach_sh_dsp); | |
5718 | break; | |
5719 | case EF_SH3: | |
5720 | bfd_default_set_arch_mach (abfd, bfd_arch_sh, bfd_mach_sh3); | |
5721 | break; | |
5722 | case EF_SH3_DSP: | |
5723 | bfd_default_set_arch_mach (abfd, bfd_arch_sh, bfd_mach_sh3_dsp); | |
5724 | break; | |
5725 | case EF_SH3E: | |
5726 | bfd_default_set_arch_mach (abfd, bfd_arch_sh, bfd_mach_sh3e); | |
5727 | break; | |
5728 | case EF_SH_UNKNOWN: | |
5729 | case EF_SH4: | |
5730 | bfd_default_set_arch_mach (abfd, bfd_arch_sh, bfd_mach_sh4); | |
5731 | break; | |
5732 | default: | |
5733 | return false; | |
5734 | } | |
5735 | return true; | |
5736 | } | |
fbca6ad9 | 5737 | #endif /* not sh_elf_set_mach_from_flags */ |
d4845d57 | 5738 | |
fbca6ad9 | 5739 | #ifndef sh_elf_set_private_flags |
435b1e90 KH |
5740 | /* Function to keep SH specific file flags. */ |
5741 | ||
d4845d57 JR |
5742 | static boolean |
5743 | sh_elf_set_private_flags (abfd, flags) | |
435b1e90 | 5744 | bfd *abfd; |
d4845d57 JR |
5745 | flagword flags; |
5746 | { | |
5747 | BFD_ASSERT (! elf_flags_init (abfd) | |
5748 | || elf_elfheader (abfd)->e_flags == flags); | |
5749 | ||
5750 | elf_elfheader (abfd)->e_flags = flags; | |
5751 | elf_flags_init (abfd) = true; | |
5752 | return sh_elf_set_mach_from_flags (abfd); | |
5753 | } | |
fbca6ad9 | 5754 | #endif /* not sh_elf_set_private_flags */ |
d4845d57 | 5755 | |
fbca6ad9 | 5756 | #ifndef sh_elf_copy_private_data |
d4845d57 | 5757 | /* Copy backend specific data from one object module to another */ |
435b1e90 | 5758 | |
d4845d57 JR |
5759 | static boolean |
5760 | sh_elf_copy_private_data (ibfd, obfd) | |
38b1a46c NC |
5761 | bfd * ibfd; |
5762 | bfd * obfd; | |
d4845d57 | 5763 | { |
38b1a46c | 5764 | if ( bfd_get_flavour (ibfd) != bfd_target_elf_flavour |
d4845d57 JR |
5765 | || bfd_get_flavour (obfd) != bfd_target_elf_flavour) |
5766 | return true; | |
5767 | ||
5768 | return sh_elf_set_private_flags (obfd, elf_elfheader (ibfd)->e_flags); | |
5769 | } | |
fbca6ad9 | 5770 | #endif /* not sh_elf_copy_private_data */ |
d4845d57 | 5771 | |
fbca6ad9 | 5772 | #ifndef sh_elf_merge_private_data |
d4845d57 JR |
5773 | /* This routine checks for linking big and little endian objects |
5774 | together, and for linking sh-dsp with sh3e / sh4 objects. */ | |
5775 | ||
5776 | static boolean | |
5777 | sh_elf_merge_private_data (ibfd, obfd) | |
5778 | bfd *ibfd; | |
5779 | bfd *obfd; | |
5780 | { | |
5781 | flagword old_flags, new_flags; | |
5782 | ||
82e51918 | 5783 | if (! _bfd_generic_verify_endian_match (ibfd, obfd)) |
d4845d57 JR |
5784 | return false; |
5785 | ||
5786 | if ( bfd_get_flavour (ibfd) != bfd_target_elf_flavour | |
5787 | || bfd_get_flavour (obfd) != bfd_target_elf_flavour) | |
5788 | return true; | |
5789 | ||
5790 | if (! elf_flags_init (obfd)) | |
5791 | { | |
a39b79b9 | 5792 | /* This happens when ld starts out with a 'blank' output file. */ |
d4845d57 | 5793 | elf_flags_init (obfd) = true; |
a39b79b9 | 5794 | elf_elfheader (obfd)->e_flags = EF_SH1; |
d4845d57 JR |
5795 | } |
5796 | old_flags = elf_elfheader (obfd)->e_flags; | |
5797 | new_flags = elf_elfheader (ibfd)->e_flags; | |
5798 | if ((EF_SH_HAS_DSP (old_flags) && EF_SH_HAS_FP (new_flags)) | |
5799 | || (EF_SH_HAS_DSP (new_flags) && EF_SH_HAS_FP (old_flags))) | |
5800 | { | |
5801 | (*_bfd_error_handler) | |
5802 | ("%s: uses %s instructions while previous modules use %s instructions", | |
8f615d07 | 5803 | bfd_archive_filename (ibfd), |
d4845d57 JR |
5804 | EF_SH_HAS_DSP (new_flags) ? "dsp" : "floating point", |
5805 | EF_SH_HAS_DSP (new_flags) ? "floating point" : "dsp"); | |
5806 | bfd_set_error (bfd_error_bad_value); | |
5807 | return false; | |
5808 | } | |
5809 | elf_elfheader (obfd)->e_flags = EF_SH_MERGE_MACH (old_flags, new_flags); | |
5810 | ||
5811 | return sh_elf_set_mach_from_flags (obfd); | |
5812 | } | |
fbca6ad9 | 5813 | #endif /* not sh_elf_merge_private_data */ |
d4845d57 | 5814 | |
37c644f2 AO |
5815 | /* Finish up dynamic symbol handling. We set the contents of various |
5816 | dynamic sections here. */ | |
5817 | ||
5818 | static boolean | |
5819 | sh_elf_finish_dynamic_symbol (output_bfd, info, h, sym) | |
5820 | bfd *output_bfd; | |
5821 | struct bfd_link_info *info; | |
5822 | struct elf_link_hash_entry *h; | |
5823 | Elf_Internal_Sym *sym; | |
5824 | { | |
067653c5 | 5825 | struct elf_sh_link_hash_table *htab; |
37c644f2 AO |
5826 | bfd *dynobj; |
5827 | ||
067653c5 AM |
5828 | htab = sh_elf_hash_table (info); |
5829 | dynobj = htab->root.dynobj; | |
37c644f2 AO |
5830 | |
5831 | if (h->plt.offset != (bfd_vma) -1) | |
5832 | { | |
5833 | asection *splt; | |
5834 | asection *sgot; | |
5835 | asection *srel; | |
5836 | ||
5837 | bfd_vma plt_index; | |
5838 | bfd_vma got_offset; | |
5839 | Elf_Internal_Rela rel; | |
5840 | ||
5841 | /* This symbol has an entry in the procedure linkage table. Set | |
5842 | it up. */ | |
5843 | ||
5844 | BFD_ASSERT (h->dynindx != -1); | |
5845 | ||
067653c5 AM |
5846 | splt = htab->splt; |
5847 | sgot = htab->sgotplt; | |
5848 | srel = htab->srelplt; | |
37c644f2 AO |
5849 | BFD_ASSERT (splt != NULL && sgot != NULL && srel != NULL); |
5850 | ||
5851 | /* Get the index in the procedure linkage table which | |
5852 | corresponds to this symbol. This is the index of this symbol | |
5853 | in all the symbols for which we are making plt entries. The | |
5854 | first entry in the procedure linkage table is reserved. */ | |
5855 | plt_index = h->plt.offset / elf_sh_sizeof_plt (info) - 1; | |
5856 | ||
5857 | /* Get the offset into the .got table of the entry that | |
5858 | corresponds to this function. Each .got entry is 4 bytes. | |
5859 | The first three are reserved. */ | |
5860 | got_offset = (plt_index + 3) * 4; | |
5861 | ||
fbca6ad9 | 5862 | #ifdef GOT_BIAS |
c8614e8e AM |
5863 | if (info->shared) |
5864 | got_offset -= GOT_BIAS; | |
fbca6ad9 AO |
5865 | #endif |
5866 | ||
37c644f2 AO |
5867 | /* Fill in the entry in the procedure linkage table. */ |
5868 | if (! info->shared) | |
5869 | { | |
5870 | if (elf_sh_plt_entry == NULL) | |
5871 | { | |
435b1e90 | 5872 | elf_sh_plt_entry = (bfd_big_endian (output_bfd) ? |
37c644f2 AO |
5873 | elf_sh_plt_entry_be : elf_sh_plt_entry_le); |
5874 | } | |
5875 | memcpy (splt->contents + h->plt.offset, elf_sh_plt_entry, | |
5876 | elf_sh_sizeof_plt (info)); | |
fbca6ad9 AO |
5877 | #ifdef INCLUDE_SHMEDIA |
5878 | movi_shori_putval (output_bfd, | |
5879 | (sgot->output_section->vma | |
5880 | + sgot->output_offset | |
5881 | + got_offset), | |
5882 | (splt->contents + h->plt.offset | |
5883 | + elf_sh_plt_symbol_offset (info))); | |
5884 | ||
c8614e8e | 5885 | /* Set bottom bit because its for a branch to SHmedia */ |
fbca6ad9 | 5886 | movi_shori_putval (output_bfd, |
c8614e8e AM |
5887 | (splt->output_section->vma + splt->output_offset) |
5888 | | 1, | |
fbca6ad9 AO |
5889 | (splt->contents + h->plt.offset |
5890 | + elf_sh_plt_plt0_offset (info))); | |
5891 | #else | |
37c644f2 AO |
5892 | bfd_put_32 (output_bfd, |
5893 | (sgot->output_section->vma | |
5894 | + sgot->output_offset | |
5895 | + got_offset), | |
5896 | (splt->contents + h->plt.offset | |
5897 | + elf_sh_plt_symbol_offset (info))); | |
5898 | ||
5899 | bfd_put_32 (output_bfd, | |
5900 | (splt->output_section->vma + splt->output_offset), | |
5901 | (splt->contents + h->plt.offset | |
5902 | + elf_sh_plt_plt0_offset (info))); | |
fbca6ad9 | 5903 | #endif |
37c644f2 AO |
5904 | } |
5905 | else | |
5906 | { | |
5907 | if (elf_sh_pic_plt_entry == NULL) | |
5908 | { | |
435b1e90 | 5909 | elf_sh_pic_plt_entry = (bfd_big_endian (output_bfd) ? |
37c644f2 AO |
5910 | elf_sh_pic_plt_entry_be : |
5911 | elf_sh_pic_plt_entry_le); | |
5912 | } | |
5913 | memcpy (splt->contents + h->plt.offset, elf_sh_pic_plt_entry, | |
5914 | elf_sh_sizeof_plt (info)); | |
fbca6ad9 AO |
5915 | #ifdef INCLUDE_SHMEDIA |
5916 | movi_shori_putval (output_bfd, got_offset, | |
5917 | (splt->contents + h->plt.offset | |
5918 | + elf_sh_plt_symbol_offset (info))); | |
5919 | #else | |
37c644f2 AO |
5920 | bfd_put_32 (output_bfd, got_offset, |
5921 | (splt->contents + h->plt.offset | |
5922 | + elf_sh_plt_symbol_offset (info))); | |
fbca6ad9 | 5923 | #endif |
37c644f2 AO |
5924 | } |
5925 | ||
fbca6ad9 | 5926 | #ifdef GOT_BIAS |
c8614e8e AM |
5927 | if (info->shared) |
5928 | got_offset += GOT_BIAS; | |
fbca6ad9 AO |
5929 | #endif |
5930 | ||
5931 | #ifdef INCLUDE_SHMEDIA | |
5932 | movi_shori_putval (output_bfd, | |
5933 | plt_index * sizeof (Elf32_External_Rela), | |
5934 | (splt->contents + h->plt.offset | |
5935 | + elf_sh_plt_reloc_offset (info))); | |
5936 | #else | |
37c644f2 AO |
5937 | bfd_put_32 (output_bfd, plt_index * sizeof (Elf32_External_Rela), |
5938 | (splt->contents + h->plt.offset | |
5939 | + elf_sh_plt_reloc_offset (info))); | |
fbca6ad9 | 5940 | #endif |
37c644f2 AO |
5941 | |
5942 | /* Fill in the entry in the global offset table. */ | |
5943 | bfd_put_32 (output_bfd, | |
5944 | (splt->output_section->vma | |
5945 | + splt->output_offset | |
5946 | + h->plt.offset | |
5947 | + elf_sh_plt_temp_offset (info)), | |
5948 | sgot->contents + got_offset); | |
5949 | ||
5950 | /* Fill in the entry in the .rela.plt section. */ | |
5951 | rel.r_offset = (sgot->output_section->vma | |
5952 | + sgot->output_offset | |
5953 | + got_offset); | |
5954 | rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_JMP_SLOT); | |
5955 | rel.r_addend = 0; | |
fbca6ad9 AO |
5956 | #ifdef GOT_BIAS |
5957 | rel.r_addend = GOT_BIAS; | |
5958 | #endif | |
37c644f2 AO |
5959 | bfd_elf32_swap_reloca_out (output_bfd, &rel, |
5960 | ((Elf32_External_Rela *) srel->contents | |
5961 | + plt_index)); | |
5962 | ||
5963 | if ((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0) | |
5964 | { | |
5965 | /* Mark the symbol as undefined, rather than as defined in | |
5966 | the .plt section. Leave the value alone. */ | |
5967 | sym->st_shndx = SHN_UNDEF; | |
5968 | } | |
5969 | } | |
5970 | ||
5971 | if (h->got.offset != (bfd_vma) -1) | |
5972 | { | |
5973 | asection *sgot; | |
5974 | asection *srel; | |
5975 | Elf_Internal_Rela rel; | |
5976 | ||
5977 | /* This symbol has an entry in the global offset table. Set it | |
5978 | up. */ | |
5979 | ||
067653c5 AM |
5980 | sgot = htab->sgot; |
5981 | srel = htab->srelgot; | |
37c644f2 AO |
5982 | BFD_ASSERT (sgot != NULL && srel != NULL); |
5983 | ||
5984 | rel.r_offset = (sgot->output_section->vma | |
5985 | + sgot->output_offset | |
dc810e39 | 5986 | + (h->got.offset &~ (bfd_vma) 1)); |
37c644f2 | 5987 | |
067653c5 AM |
5988 | /* If this is a static link, or it is a -Bsymbolic link and the |
5989 | symbol is defined locally or was forced to be local because | |
5990 | of a version file, we just want to emit a RELATIVE reloc. | |
37c644f2 AO |
5991 | The entry in the global offset table will already have been |
5992 | initialized in the relocate_section function. */ | |
5993 | if (info->shared | |
067653c5 AM |
5994 | && (info->symbolic |
5995 | || h->dynindx == -1 | |
5996 | || (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL)) | |
37c644f2 AO |
5997 | && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR)) |
5998 | { | |
5999 | rel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE); | |
6000 | rel.r_addend = (h->root.u.def.value | |
6001 | + h->root.u.def.section->output_section->vma | |
6002 | + h->root.u.def.section->output_offset); | |
6003 | } | |
6004 | else | |
6005 | { | |
6006 | bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset); | |
6007 | rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_GLOB_DAT); | |
6008 | rel.r_addend = 0; | |
6009 | } | |
6010 | ||
6011 | bfd_elf32_swap_reloca_out (output_bfd, &rel, | |
435b1e90 KH |
6012 | ((Elf32_External_Rela *) srel->contents |
6013 | + srel->reloc_count)); | |
37c644f2 AO |
6014 | ++srel->reloc_count; |
6015 | } | |
6016 | ||
6017 | if ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_COPY) != 0) | |
6018 | { | |
6019 | asection *s; | |
6020 | Elf_Internal_Rela rel; | |
6021 | ||
6022 | /* This symbol needs a copy reloc. Set it up. */ | |
6023 | ||
6024 | BFD_ASSERT (h->dynindx != -1 | |
6025 | && (h->root.type == bfd_link_hash_defined | |
6026 | || h->root.type == bfd_link_hash_defweak)); | |
6027 | ||
6028 | s = bfd_get_section_by_name (h->root.u.def.section->owner, | |
6029 | ".rela.bss"); | |
6030 | BFD_ASSERT (s != NULL); | |
6031 | ||
6032 | rel.r_offset = (h->root.u.def.value | |
6033 | + h->root.u.def.section->output_section->vma | |
6034 | + h->root.u.def.section->output_offset); | |
6035 | rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_COPY); | |
6036 | rel.r_addend = 0; | |
6037 | bfd_elf32_swap_reloca_out (output_bfd, &rel, | |
435b1e90 KH |
6038 | ((Elf32_External_Rela *) s->contents |
6039 | + s->reloc_count)); | |
37c644f2 AO |
6040 | ++s->reloc_count; |
6041 | } | |
6042 | ||
6043 | /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. */ | |
6044 | if (strcmp (h->root.root.string, "_DYNAMIC") == 0 | |
6045 | || strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0) | |
6046 | sym->st_shndx = SHN_ABS; | |
6047 | ||
6048 | return true; | |
6049 | } | |
6050 | ||
6051 | /* Finish up the dynamic sections. */ | |
6052 | ||
6053 | static boolean | |
6054 | sh_elf_finish_dynamic_sections (output_bfd, info) | |
6055 | bfd *output_bfd; | |
6056 | struct bfd_link_info *info; | |
6057 | { | |
067653c5 | 6058 | struct elf_sh_link_hash_table *htab; |
37c644f2 AO |
6059 | bfd *dynobj; |
6060 | asection *sgot; | |
6061 | asection *sdyn; | |
6062 | ||
067653c5 AM |
6063 | htab = sh_elf_hash_table (info); |
6064 | dynobj = htab->root.dynobj; | |
37c644f2 | 6065 | |
067653c5 | 6066 | sgot = htab->sgotplt; |
37c644f2 AO |
6067 | sdyn = bfd_get_section_by_name (dynobj, ".dynamic"); |
6068 | ||
067653c5 | 6069 | if (htab->root.dynamic_sections_created) |
37c644f2 AO |
6070 | { |
6071 | asection *splt; | |
6072 | Elf32_External_Dyn *dyncon, *dynconend; | |
6073 | ||
067653c5 | 6074 | BFD_ASSERT (sgot != NULL && sdyn != NULL); |
37c644f2 AO |
6075 | |
6076 | dyncon = (Elf32_External_Dyn *) sdyn->contents; | |
6077 | dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->_raw_size); | |
6078 | for (; dyncon < dynconend; dyncon++) | |
6079 | { | |
6080 | Elf_Internal_Dyn dyn; | |
37c644f2 | 6081 | asection *s; |
067653c5 AM |
6082 | #ifdef INCLUDE_SHMEDIA |
6083 | const char *name; | |
6084 | #endif | |
37c644f2 AO |
6085 | |
6086 | bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn); | |
6087 | ||
6088 | switch (dyn.d_tag) | |
6089 | { | |
6090 | default: | |
6091 | break; | |
6092 | ||
3b587c71 AM |
6093 | #ifdef INCLUDE_SHMEDIA |
6094 | case DT_INIT: | |
6095 | name = info->init_function; | |
6096 | goto get_sym; | |
6097 | ||
6098 | case DT_FINI: | |
6099 | name = info->fini_function; | |
6100 | get_sym: | |
6101 | if (dyn.d_un.d_val != 0) | |
6102 | { | |
067653c5 AM |
6103 | struct elf_link_hash_entry *h; |
6104 | ||
6105 | h = elf_link_hash_lookup (&htab->root, name, | |
3b587c71 AM |
6106 | false, false, true); |
6107 | if (h != NULL && (h->other & STO_SH5_ISA32)) | |
6108 | { | |
6109 | dyn.d_un.d_val |= 1; | |
6110 | bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon); | |
6111 | } | |
6112 | } | |
6113 | break; | |
6114 | #endif | |
6115 | ||
37c644f2 | 6116 | case DT_PLTGOT: |
067653c5 | 6117 | s = htab->sgot->output_section; |
37c644f2 AO |
6118 | goto get_vma; |
6119 | ||
6120 | case DT_JMPREL: | |
067653c5 | 6121 | s = htab->srelplt->output_section; |
37c644f2 | 6122 | get_vma: |
37c644f2 AO |
6123 | BFD_ASSERT (s != NULL); |
6124 | dyn.d_un.d_ptr = s->vma; | |
6125 | bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon); | |
6126 | break; | |
6127 | ||
6128 | case DT_PLTRELSZ: | |
067653c5 | 6129 | s = htab->srelplt->output_section; |
37c644f2 AO |
6130 | BFD_ASSERT (s != NULL); |
6131 | if (s->_cooked_size != 0) | |
6132 | dyn.d_un.d_val = s->_cooked_size; | |
6133 | else | |
6134 | dyn.d_un.d_val = s->_raw_size; | |
6135 | bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon); | |
6136 | break; | |
6137 | ||
6138 | case DT_RELASZ: | |
6139 | /* My reading of the SVR4 ABI indicates that the | |
6140 | procedure linkage table relocs (DT_JMPREL) should be | |
6141 | included in the overall relocs (DT_RELA). This is | |
6142 | what Solaris does. However, UnixWare can not handle | |
6143 | that case. Therefore, we override the DT_RELASZ entry | |
6144 | here to make it not include the JMPREL relocs. Since | |
6145 | the linker script arranges for .rela.plt to follow all | |
6146 | other relocation sections, we don't have to worry | |
6147 | about changing the DT_RELA entry. */ | |
067653c5 | 6148 | if (htab->srelplt != NULL) |
37c644f2 | 6149 | { |
067653c5 | 6150 | s = htab->srelplt->output_section; |
37c644f2 AO |
6151 | if (s->_cooked_size != 0) |
6152 | dyn.d_un.d_val -= s->_cooked_size; | |
6153 | else | |
6154 | dyn.d_un.d_val -= s->_raw_size; | |
6155 | } | |
6156 | bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon); | |
6157 | break; | |
6158 | } | |
6159 | } | |
6160 | ||
6161 | /* Fill in the first entry in the procedure linkage table. */ | |
067653c5 | 6162 | splt = htab->splt; |
37c644f2 AO |
6163 | if (splt && splt->_raw_size > 0) |
6164 | { | |
6165 | if (info->shared) | |
6166 | { | |
6167 | if (elf_sh_pic_plt_entry == NULL) | |
6168 | { | |
435b1e90 | 6169 | elf_sh_pic_plt_entry = (bfd_big_endian (output_bfd) ? |
37c644f2 AO |
6170 | elf_sh_pic_plt_entry_be : |
6171 | elf_sh_pic_plt_entry_le); | |
6172 | } | |
6173 | memcpy (splt->contents, elf_sh_pic_plt_entry, | |
6174 | elf_sh_sizeof_plt (info)); | |
6175 | } | |
6176 | else | |
6177 | { | |
6178 | if (elf_sh_plt0_entry == NULL) | |
6179 | { | |
435b1e90 | 6180 | elf_sh_plt0_entry = (bfd_big_endian (output_bfd) ? |
37c644f2 AO |
6181 | elf_sh_plt0_entry_be : |
6182 | elf_sh_plt0_entry_le); | |
6183 | } | |
6184 | memcpy (splt->contents, elf_sh_plt0_entry, PLT_ENTRY_SIZE); | |
fbca6ad9 AO |
6185 | #ifdef INCLUDE_SHMEDIA |
6186 | movi_shori_putval (output_bfd, | |
6187 | sgot->output_section->vma | |
6188 | + sgot->output_offset, | |
6189 | splt->contents | |
6190 | + elf_sh_plt0_gotplt_offset (info)); | |
6191 | #else | |
37c644f2 AO |
6192 | bfd_put_32 (output_bfd, |
6193 | sgot->output_section->vma + sgot->output_offset + 4, | |
6194 | splt->contents + elf_sh_plt0_gotid_offset (info)); | |
6195 | bfd_put_32 (output_bfd, | |
6196 | sgot->output_section->vma + sgot->output_offset + 8, | |
6197 | splt->contents + elf_sh_plt0_linker_offset (info)); | |
fbca6ad9 | 6198 | #endif |
37c644f2 AO |
6199 | } |
6200 | ||
6201 | /* UnixWare sets the entsize of .plt to 4, although that doesn't | |
6202 | really seem like the right value. */ | |
6203 | elf_section_data (splt->output_section)->this_hdr.sh_entsize = 4; | |
6204 | } | |
6205 | } | |
6206 | ||
6207 | /* Fill in the first three entries in the global offset table. */ | |
067653c5 | 6208 | if (sgot && sgot->_raw_size > 0) |
37c644f2 AO |
6209 | { |
6210 | if (sdyn == NULL) | |
6211 | bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents); | |
6212 | else | |
6213 | bfd_put_32 (output_bfd, | |
6214 | sdyn->output_section->vma + sdyn->output_offset, | |
6215 | sgot->contents); | |
6216 | bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 4); | |
6217 | bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 8); | |
37c644f2 | 6218 | |
067653c5 AM |
6219 | elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 4; |
6220 | } | |
37c644f2 AO |
6221 | |
6222 | return true; | |
6223 | } | |
6224 | ||
99e4ae17 | 6225 | static enum elf_reloc_type_class |
f51e552e AM |
6226 | sh_elf_reloc_type_class (rela) |
6227 | const Elf_Internal_Rela *rela; | |
99e4ae17 | 6228 | { |
f51e552e | 6229 | switch ((int) ELF32_R_TYPE (rela->r_info)) |
99e4ae17 AJ |
6230 | { |
6231 | case R_SH_RELATIVE: | |
6232 | return reloc_class_relative; | |
6233 | case R_SH_JMP_SLOT: | |
6234 | return reloc_class_plt; | |
6235 | case R_SH_COPY: | |
6236 | return reloc_class_copy; | |
6237 | default: | |
6238 | return reloc_class_normal; | |
6239 | } | |
6240 | } | |
6241 | ||
b129bfef | 6242 | #ifndef ELF_ARCH |
252b5132 RH |
6243 | #define TARGET_BIG_SYM bfd_elf32_sh_vec |
6244 | #define TARGET_BIG_NAME "elf32-sh" | |
6245 | #define TARGET_LITTLE_SYM bfd_elf32_shl_vec | |
6246 | #define TARGET_LITTLE_NAME "elf32-shl" | |
6247 | #define ELF_ARCH bfd_arch_sh | |
6248 | #define ELF_MACHINE_CODE EM_SH | |
4bb5e078 | 6249 | #define ELF_MAXPAGESIZE 128 |
252b5132 RH |
6250 | |
6251 | #define elf_symbol_leading_char '_' | |
b129bfef | 6252 | #endif /* ELF_ARCH */ |
252b5132 RH |
6253 | |
6254 | #define bfd_elf32_bfd_reloc_type_lookup sh_elf_reloc_type_lookup | |
6255 | #define elf_info_to_howto sh_elf_info_to_howto | |
6256 | #define bfd_elf32_bfd_relax_section sh_elf_relax_section | |
6257 | #define elf_backend_relocate_section sh_elf_relocate_section | |
6258 | #define bfd_elf32_bfd_get_relocated_section_contents \ | |
6259 | sh_elf_get_relocated_section_contents | |
d4845d57 JR |
6260 | #define elf_backend_object_p sh_elf_set_mach_from_flags |
6261 | #define bfd_elf32_bfd_set_private_bfd_flags \ | |
6262 | sh_elf_set_private_flags | |
6263 | #define bfd_elf32_bfd_copy_private_bfd_data \ | |
6264 | sh_elf_copy_private_data | |
875f7f69 | 6265 | #define bfd_elf32_bfd_merge_private_bfd_data \ |
d4845d57 | 6266 | sh_elf_merge_private_data |
252b5132 | 6267 | |
067653c5 AM |
6268 | #define elf_backend_gc_mark_hook sh_elf_gc_mark_hook |
6269 | #define elf_backend_gc_sweep_hook sh_elf_gc_sweep_hook | |
6270 | #define elf_backend_check_relocs sh_elf_check_relocs | |
6271 | #define elf_backend_copy_indirect_symbol \ | |
6272 | sh_elf_copy_indirect_symbol | |
37c644f2 AO |
6273 | #define elf_backend_create_dynamic_sections \ |
6274 | sh_elf_create_dynamic_sections | |
6275 | #define bfd_elf32_bfd_link_hash_table_create \ | |
6276 | sh_elf_link_hash_table_create | |
6277 | #define elf_backend_adjust_dynamic_symbol \ | |
6278 | sh_elf_adjust_dynamic_symbol | |
6279 | #define elf_backend_size_dynamic_sections \ | |
6280 | sh_elf_size_dynamic_sections | |
6281 | #define elf_backend_finish_dynamic_symbol \ | |
6282 | sh_elf_finish_dynamic_symbol | |
6283 | #define elf_backend_finish_dynamic_sections \ | |
6284 | sh_elf_finish_dynamic_sections | |
99e4ae17 | 6285 | #define elf_backend_reloc_type_class sh_elf_reloc_type_class |
37c644f2 | 6286 | |
067653c5 AM |
6287 | #define elf_backend_can_gc_sections 1 |
6288 | #define elf_backend_can_refcount 1 | |
37c644f2 AO |
6289 | #define elf_backend_want_got_plt 1 |
6290 | #define elf_backend_plt_readonly 1 | |
6291 | #define elf_backend_want_plt_sym 0 | |
6292 | #define elf_backend_got_header_size 12 | |
6293 | #define elf_backend_plt_header_size PLT_ENTRY_SIZE | |
ed71e111 NC |
6294 | |
6295 | #ifndef ELF32_SH_C_INCLUDED | |
252b5132 | 6296 | #include "elf32-target.h" |
ed71e111 NC |
6297 | #endif |
6298 |