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ef230218 | 1 | /* SuperH SH64-specific support for 64-bit ELF |
c2dcd04e | 2 | Copyright 2000, 2001, 2002, 2003 Free Software Foundation, Inc. |
fbca6ad9 AO |
3 | |
4 | This file is part of BFD, the Binary File Descriptor library. | |
5 | ||
6 | This program is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 2 of the License, or | |
9 | (at your option) any later version. | |
10 | ||
11 | This program is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with this program; if not, write to the Free Software | |
18 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
19 | ||
20 | #define SH64_ELF64 | |
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 | /* Add a suffix for datalabel indirection symbols. It must not match any | |
30 | other symbols; user symbols with or without version or other | |
31 | decoration. It must only be used internally and not emitted by any | |
32 | means. */ | |
33 | #define DATALABEL_SUFFIX " DL" | |
34 | ||
35 | #define GOT_BIAS (-((long)-32768)) | |
36 | ||
37 | #define PLT_ENTRY_SIZE 64 | |
38 | ||
39 | /* Return size of a PLT entry. */ | |
40 | #define elf_sh64_sizeof_plt(info) PLT_ENTRY_SIZE | |
41 | ||
42 | /* Return offset of the PLT0 address in an absolute PLT entry. */ | |
43 | #define elf_sh64_plt_plt0_offset(info) 32 | |
44 | ||
45 | /* Return offset of the linker in PLT0 entry. */ | |
46 | #define elf_sh64_plt0_gotplt_offset(info) 0 | |
47 | ||
48 | /* Return offset of the trampoline in PLT entry */ | |
49 | #define elf_sh64_plt_temp_offset(info) 33 /* Add one because it's SHmedia. */ | |
50 | ||
51 | /* Return offset of the symbol in PLT entry. */ | |
52 | #define elf_sh64_plt_symbol_offset(info) 0 | |
53 | ||
54 | /* Return offset of the relocation in PLT entry. */ | |
55 | #define elf_sh64_plt_reloc_offset(info) (info->shared ? 52 : 44) | |
56 | ||
57 | #define ELF_DYNAMIC_INTERPRETER "/usr/lib/libc.so.1" | |
58 | ||
59 | /* The sh linker needs to keep track of the number of relocs that it | |
60 | decides to copy in check_relocs for each symbol. This is so that | |
61 | it can discard PC relative relocs if it doesn't need them when | |
62 | linking with -Bsymbolic. We store the information in a field | |
63 | extending the regular ELF linker hash table. */ | |
64 | ||
65 | /* This structure keeps track of the number of PC relative relocs we | |
66 | have copied for a given symbol. */ | |
67 | ||
68 | struct elf_sh64_pcrel_relocs_copied | |
69 | { | |
70 | /* Next section. */ | |
71 | struct elf_sh64_pcrel_relocs_copied *next; | |
72 | /* A section in dynobj. */ | |
73 | asection *section; | |
74 | /* Number of relocs copied in this section. */ | |
75 | bfd_size_type count; | |
76 | }; | |
77 | ||
78 | /* sh ELF linker hash entry. */ | |
79 | ||
80 | struct elf_sh64_link_hash_entry | |
81 | { | |
82 | struct elf_link_hash_entry root; | |
83 | ||
84 | bfd_vma datalabel_got_offset; | |
85 | ||
86 | /* Number of PC relative relocs copied for this symbol. */ | |
518313c3 | 87 | struct elf_sh64_pcrel_relocs_copied *pcrel_relocs_copied; |
fbca6ad9 AO |
88 | }; |
89 | ||
90 | /* sh ELF linker hash table. */ | |
91 | ||
92 | struct elf_sh64_link_hash_table | |
93 | { | |
94 | struct elf_link_hash_table root; | |
95 | }; | |
96 | ||
97 | /* Traverse an sh ELF linker hash table. */ | |
98 | ||
99 | #define sh64_elf64_link_hash_traverse(table, func, info) \ | |
100 | (elf_link_hash_traverse \ | |
101 | (&(table)->root, \ | |
b34976b6 | 102 | (bfd_boolean (*) PARAMS ((struct elf_link_hash_entry *, PTR))) (func), \ |
fbca6ad9 AO |
103 | (info))) |
104 | ||
105 | /* Get the sh ELF linker hash table from a link_info structure. */ | |
106 | ||
107 | #define sh64_elf64_hash_table(p) \ | |
108 | ((struct elf_sh64_link_hash_table *) ((p)->hash)) | |
109 | ||
b34976b6 AM |
110 | static bfd_boolean sh_elf64_copy_private_data |
111 | PARAMS ((bfd *, bfd *)); | |
112 | static bfd_boolean sh_elf64_copy_private_data_internal | |
113 | PARAMS ((bfd *, bfd *)); | |
114 | static bfd_boolean sh_elf64_merge_private_data | |
115 | PARAMS ((bfd *, bfd *)); | |
fbca6ad9 AO |
116 | static bfd_reloc_status_type sh_elf64_ignore_reloc |
117 | PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); | |
118 | static bfd_reloc_status_type sh_elf64_reloc | |
119 | PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); | |
120 | static reloc_howto_type *sh_elf64_reloc_type_lookup | |
121 | PARAMS ((bfd *, bfd_reloc_code_real_type)); | |
122 | static void sh_elf64_info_to_howto | |
123 | PARAMS ((bfd *, arelent *, Elf_Internal_Rela *)); | |
b34976b6 | 124 | static bfd_boolean sh_elf64_relocate_section |
fbca6ad9 AO |
125 | PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, |
126 | Elf_Internal_Rela *, Elf_Internal_Sym *, asection **)); | |
127 | static bfd_byte *sh_elf64_get_relocated_section_contents | |
128 | PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_order *, | |
b34976b6 AM |
129 | bfd_byte *, bfd_boolean, asymbol **)); |
130 | static bfd_boolean sh_elf64_set_mach_from_flags | |
131 | PARAMS ((bfd *)); | |
132 | static bfd_boolean sh_elf64_set_private_flags | |
133 | PARAMS ((bfd *, flagword)); | |
fbca6ad9 | 134 | static asection *sh_elf64_gc_mark_hook |
1e2f5b6e | 135 | PARAMS ((asection *, struct bfd_link_info *, Elf_Internal_Rela *, |
fbca6ad9 | 136 | struct elf_link_hash_entry *, Elf_Internal_Sym *)); |
b34976b6 | 137 | static bfd_boolean sh_elf64_gc_sweep_hook |
fbca6ad9 AO |
138 | PARAMS ((bfd *, struct bfd_link_info *, asection *, |
139 | const Elf_Internal_Rela *)); | |
b34976b6 | 140 | static bfd_boolean sh_elf64_check_relocs |
fbca6ad9 AO |
141 | PARAMS ((bfd *, struct bfd_link_info *, asection *, |
142 | const Elf_Internal_Rela *)); | |
b34976b6 AM |
143 | static int sh64_elf64_get_symbol_type |
144 | PARAMS ((Elf_Internal_Sym *, int)); | |
145 | static bfd_boolean sh64_elf64_add_symbol_hook | |
fbca6ad9 AO |
146 | PARAMS ((bfd *, struct bfd_link_info *, const Elf_Internal_Sym *, |
147 | const char **, flagword *, asection **, bfd_vma *)); | |
b34976b6 | 148 | static bfd_boolean sh64_elf64_link_output_symbol_hook |
fbca6ad9 AO |
149 | PARAMS ((bfd *, struct bfd_link_info *, const char *, Elf_Internal_Sym *, |
150 | asection *)); | |
b34976b6 | 151 | static bfd_boolean sh64_elf64_fake_sections |
fbca6ad9 | 152 | PARAMS ((bfd *, Elf_Internal_Shdr *, asection *)); |
b34976b6 AM |
153 | static void sh64_elf64_final_write_processing |
154 | PARAMS ((bfd *, bfd_boolean)); | |
518313c3 AO |
155 | static struct bfd_hash_entry *sh64_elf64_link_hash_newfunc |
156 | PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *)); | |
157 | static struct bfd_link_hash_table *sh64_elf64_link_hash_table_create | |
158 | PARAMS ((bfd *)); | |
b34976b6 AM |
159 | inline static void movi_shori_putval |
160 | PARAMS ((bfd *, unsigned long, char *)); | |
161 | inline static void movi_3shori_putval | |
162 | PARAMS ((bfd *, bfd_vma, char *)); | |
163 | static bfd_boolean sh64_elf64_create_dynamic_sections | |
518313c3 | 164 | PARAMS ((bfd *, struct bfd_link_info *)); |
b34976b6 | 165 | static bfd_boolean sh64_elf64_adjust_dynamic_symbol |
518313c3 | 166 | PARAMS ((struct bfd_link_info *info, struct elf_link_hash_entry *)); |
b34976b6 | 167 | static bfd_boolean sh64_elf64_discard_copies |
518313c3 | 168 | PARAMS ((struct elf_sh64_link_hash_entry *, PTR)); |
b34976b6 | 169 | static bfd_boolean sh64_elf64_size_dynamic_sections |
518313c3 | 170 | PARAMS ((bfd *, struct bfd_link_info *)); |
b34976b6 | 171 | static bfd_boolean sh64_elf64_finish_dynamic_symbol |
518313c3 AO |
172 | PARAMS ((bfd *, struct bfd_link_info *, struct elf_link_hash_entry *, |
173 | Elf_Internal_Sym *)); | |
b34976b6 | 174 | static bfd_boolean sh64_elf64_finish_dynamic_sections |
518313c3 | 175 | PARAMS ((bfd *, struct bfd_link_info *)); |
fbca6ad9 AO |
176 | |
177 | static reloc_howto_type sh_elf64_howto_table[] = { | |
178 | /* No relocation. */ | |
179 | HOWTO (R_SH_NONE, /* type */ | |
180 | 0, /* rightshift */ | |
181 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
182 | 0, /* bitsize */ | |
b34976b6 | 183 | FALSE, /* pc_relative */ |
fbca6ad9 AO |
184 | 0, /* bitpos */ |
185 | complain_overflow_dont, /* complain_on_overflow */ | |
186 | sh_elf64_ignore_reloc, /* special_function */ | |
187 | "R_SH_NONE", /* name */ | |
b34976b6 | 188 | FALSE, /* partial_inplace */ |
fbca6ad9 AO |
189 | 0, /* src_mask */ |
190 | 0, /* dst_mask */ | |
b34976b6 | 191 | FALSE), /* pcrel_offset */ |
fbca6ad9 | 192 | |
b34976b6 | 193 | /* 32 bit absolute relocation. Setting partial_inplace to TRUE and |
fbca6ad9 AO |
194 | src_mask to a non-zero value is similar to the COFF toolchain. */ |
195 | HOWTO (R_SH_DIR32, /* type */ | |
196 | 0, /* rightshift */ | |
197 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
198 | 32, /* bitsize */ | |
b34976b6 | 199 | FALSE, /* pc_relative */ |
fbca6ad9 AO |
200 | 0, /* bitpos */ |
201 | complain_overflow_bitfield, /* complain_on_overflow */ | |
202 | sh_elf64_reloc, /* special_function */ | |
203 | "R_SH_DIR32", /* name */ | |
b34976b6 | 204 | TRUE, /* partial_inplace */ |
fbca6ad9 AO |
205 | 0xffffffff, /* src_mask */ |
206 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 207 | FALSE), /* pcrel_offset */ |
fbca6ad9 AO |
208 | |
209 | /* 32 bit PC relative relocation. */ | |
210 | HOWTO (R_SH_REL32, /* type */ | |
211 | 0, /* rightshift */ | |
212 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
213 | 32, /* bitsize */ | |
b34976b6 | 214 | TRUE, /* pc_relative */ |
fbca6ad9 AO |
215 | 0, /* bitpos */ |
216 | complain_overflow_signed, /* complain_on_overflow */ | |
217 | sh_elf64_ignore_reloc, /* special_function */ | |
218 | "R_SH_REL32", /* name */ | |
b34976b6 | 219 | FALSE, /* partial_inplace */ |
fbca6ad9 AO |
220 | 0, /* src_mask */ |
221 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 222 | TRUE), /* pcrel_offset */ |
fbca6ad9 AO |
223 | |
224 | /* For 32-bit sh, this is R_SH_DIR8WPN. */ | |
225 | EMPTY_HOWTO (3), | |
226 | ||
227 | /* For 32-bit sh, this is R_SH_IND12W. */ | |
228 | EMPTY_HOWTO (4), | |
229 | ||
230 | /* For 32-bit sh, this is R_SH_DIR8WPL. */ | |
231 | EMPTY_HOWTO (5), | |
232 | ||
233 | /* For 32-bit sh, this is R_SH_DIR8WPZ. */ | |
234 | EMPTY_HOWTO (6), | |
235 | ||
236 | /* For 32-bit sh, this is R_SH_DIR8BP. */ | |
237 | EMPTY_HOWTO (7), | |
238 | ||
239 | /* For 32-bit sh, this is R_SH_DIR8W. */ | |
240 | EMPTY_HOWTO (8), | |
241 | ||
242 | /* For 32-bit sh, this is R_SH_DIR8L. */ | |
243 | EMPTY_HOWTO (9), | |
244 | ||
245 | EMPTY_HOWTO (10), | |
246 | EMPTY_HOWTO (11), | |
247 | EMPTY_HOWTO (12), | |
248 | EMPTY_HOWTO (13), | |
249 | EMPTY_HOWTO (14), | |
250 | EMPTY_HOWTO (15), | |
251 | EMPTY_HOWTO (16), | |
252 | EMPTY_HOWTO (17), | |
253 | EMPTY_HOWTO (18), | |
254 | EMPTY_HOWTO (19), | |
255 | EMPTY_HOWTO (20), | |
256 | EMPTY_HOWTO (21), | |
257 | EMPTY_HOWTO (22), | |
258 | EMPTY_HOWTO (23), | |
259 | EMPTY_HOWTO (24), | |
260 | ||
261 | /* The remaining relocs are a GNU extension used for relaxing. The | |
262 | final pass of the linker never needs to do anything with any of | |
263 | these relocs. Any required operations are handled by the | |
264 | relaxation code. */ | |
265 | ||
266 | /* A 16 bit switch table entry. This is generated for an expression | |
267 | such as ``.word L1 - L2''. The offset holds the difference | |
268 | between the reloc address and L2. */ | |
269 | HOWTO (R_SH_SWITCH16, /* type */ | |
270 | 0, /* rightshift */ | |
271 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
272 | 16, /* bitsize */ | |
b34976b6 | 273 | FALSE, /* pc_relative */ |
fbca6ad9 AO |
274 | 0, /* bitpos */ |
275 | complain_overflow_unsigned, /* complain_on_overflow */ | |
276 | sh_elf64_ignore_reloc, /* special_function */ | |
277 | "R_SH_SWITCH16", /* name */ | |
b34976b6 | 278 | FALSE, /* partial_inplace */ |
fbca6ad9 AO |
279 | 0, /* src_mask */ |
280 | 0, /* dst_mask */ | |
b34976b6 | 281 | TRUE), /* pcrel_offset */ |
fbca6ad9 AO |
282 | |
283 | /* A 32 bit switch table entry. This is generated for an expression | |
284 | such as ``.long L1 - L2''. The offset holds the difference | |
285 | between the reloc address and L2. */ | |
286 | HOWTO (R_SH_SWITCH32, /* type */ | |
287 | 0, /* rightshift */ | |
288 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
289 | 32, /* bitsize */ | |
b34976b6 | 290 | FALSE, /* pc_relative */ |
fbca6ad9 AO |
291 | 0, /* bitpos */ |
292 | complain_overflow_unsigned, /* complain_on_overflow */ | |
293 | sh_elf64_ignore_reloc, /* special_function */ | |
294 | "R_SH_SWITCH32", /* name */ | |
b34976b6 | 295 | FALSE, /* partial_inplace */ |
fbca6ad9 AO |
296 | 0, /* src_mask */ |
297 | 0, /* dst_mask */ | |
b34976b6 | 298 | TRUE), /* pcrel_offset */ |
fbca6ad9 AO |
299 | |
300 | /* For 32-bit sh, this is R_SH_USES. */ | |
301 | EMPTY_HOWTO (27), | |
302 | ||
303 | /* For 32-bit sh, this is R_SH_COUNT. */ | |
304 | EMPTY_HOWTO (28), | |
305 | ||
306 | /* For 32-bit sh, this is R_SH_ALIGN. FIXME: For linker relaxation, | |
307 | this might be emitted. When linker relaxation is implemented, we | |
308 | might want to use it. */ | |
309 | EMPTY_HOWTO (29), | |
310 | ||
311 | /* For 32-bit sh, this is R_SH_CODE. FIXME: For linker relaxation, | |
312 | this might be emitted. When linker relaxation is implemented, we | |
313 | might want to use it. */ | |
314 | EMPTY_HOWTO (30), | |
315 | ||
316 | /* For 32-bit sh, this is R_SH_DATA. FIXME: For linker relaxation, | |
317 | this might be emitted. When linker relaxation is implemented, we | |
318 | might want to use it. */ | |
319 | EMPTY_HOWTO (31), | |
320 | ||
321 | /* For 32-bit sh, this is R_SH_LABEL. FIXME: For linker relaxation, | |
322 | this might be emitted. When linker relaxation is implemented, we | |
323 | might want to use it. */ | |
324 | EMPTY_HOWTO (32), | |
325 | ||
326 | /* An 8 bit switch table entry. This is generated for an expression | |
327 | such as ``.word L1 - L2''. The offset holds the difference | |
328 | between the reloc address and L2. */ | |
329 | HOWTO (R_SH_SWITCH8, /* type */ | |
330 | 0, /* rightshift */ | |
331 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
332 | 8, /* bitsize */ | |
b34976b6 | 333 | FALSE, /* pc_relative */ |
fbca6ad9 AO |
334 | 0, /* bitpos */ |
335 | complain_overflow_unsigned, /* complain_on_overflow */ | |
336 | sh_elf64_ignore_reloc, /* special_function */ | |
337 | "R_SH_SWITCH8", /* name */ | |
b34976b6 | 338 | FALSE, /* partial_inplace */ |
fbca6ad9 AO |
339 | 0, /* src_mask */ |
340 | 0, /* dst_mask */ | |
b34976b6 | 341 | TRUE), /* pcrel_offset */ |
fbca6ad9 AO |
342 | |
343 | /* GNU extension to record C++ vtable hierarchy */ | |
344 | HOWTO (R_SH_GNU_VTINHERIT, /* type */ | |
345 | 0, /* rightshift */ | |
346 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
347 | 0, /* bitsize */ | |
b34976b6 | 348 | FALSE, /* pc_relative */ |
fbca6ad9 AO |
349 | 0, /* bitpos */ |
350 | complain_overflow_dont, /* complain_on_overflow */ | |
351 | NULL, /* special_function */ | |
352 | "R_SH_GNU_VTINHERIT", /* name */ | |
b34976b6 | 353 | FALSE, /* partial_inplace */ |
fbca6ad9 AO |
354 | 0, /* src_mask */ |
355 | 0, /* dst_mask */ | |
b34976b6 | 356 | FALSE), /* pcrel_offset */ |
fbca6ad9 AO |
357 | |
358 | /* GNU extension to record C++ vtable member usage */ | |
359 | HOWTO (R_SH_GNU_VTENTRY, /* type */ | |
360 | 0, /* rightshift */ | |
361 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
362 | 0, /* bitsize */ | |
b34976b6 | 363 | FALSE, /* pc_relative */ |
fbca6ad9 AO |
364 | 0, /* bitpos */ |
365 | complain_overflow_dont, /* complain_on_overflow */ | |
366 | _bfd_elf_rel_vtable_reloc_fn, /* special_function */ | |
367 | "R_SH_GNU_VTENTRY", /* name */ | |
b34976b6 | 368 | FALSE, /* partial_inplace */ |
fbca6ad9 AO |
369 | 0, /* src_mask */ |
370 | 0, /* dst_mask */ | |
b34976b6 | 371 | FALSE), /* pcrel_offset */ |
fbca6ad9 AO |
372 | |
373 | /* For 32-bit sh, this is R_SH_LOOP_START. */ | |
374 | EMPTY_HOWTO (36), | |
375 | ||
376 | /* For 32-bit sh, this is R_SH_LOOP_END. */ | |
377 | EMPTY_HOWTO (37), | |
378 | ||
379 | EMPTY_HOWTO (38), | |
380 | EMPTY_HOWTO (39), | |
381 | EMPTY_HOWTO (40), | |
382 | EMPTY_HOWTO (41), | |
383 | EMPTY_HOWTO (42), | |
384 | EMPTY_HOWTO (43), | |
385 | EMPTY_HOWTO (44), | |
386 | ||
387 | /* Used in SHLLI.L and SHLRI.L. */ | |
388 | HOWTO (R_SH_DIR5U, /* type */ | |
389 | 0, /* rightshift */ | |
390 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
391 | 5, /* bitsize */ | |
b34976b6 | 392 | FALSE, /* pc_relative */ |
fbca6ad9 AO |
393 | 10, /* bitpos */ |
394 | complain_overflow_unsigned, /* complain_on_overflow */ | |
395 | bfd_elf_generic_reloc, /* special_function */ | |
396 | "R_SH_DIR5U", /* name */ | |
b34976b6 | 397 | FALSE, /* partial_inplace */ |
fbca6ad9 AO |
398 | 0, /* src_mask */ |
399 | 0xfc00, /* dst_mask */ | |
b34976b6 | 400 | FALSE), /* pcrel_offset */ |
fbca6ad9 AO |
401 | |
402 | /* Used in SHARI, SHLLI et al. */ | |
403 | HOWTO (R_SH_DIR6U, /* type */ | |
404 | 0, /* rightshift */ | |
405 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
406 | 6, /* bitsize */ | |
b34976b6 | 407 | FALSE, /* pc_relative */ |
fbca6ad9 AO |
408 | 10, /* bitpos */ |
409 | complain_overflow_unsigned, /* complain_on_overflow */ | |
410 | bfd_elf_generic_reloc, /* special_function */ | |
411 | "R_SH_DIR6U", /* name */ | |
b34976b6 | 412 | FALSE, /* partial_inplace */ |
fbca6ad9 AO |
413 | 0, /* src_mask */ |
414 | 0xfc00, /* dst_mask */ | |
b34976b6 | 415 | FALSE), /* pcrel_offset */ |
fbca6ad9 AO |
416 | |
417 | /* Used in BxxI, LDHI.L et al. */ | |
418 | HOWTO (R_SH_DIR6S, /* type */ | |
419 | 0, /* rightshift */ | |
420 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
421 | 6, /* bitsize */ | |
b34976b6 | 422 | FALSE, /* pc_relative */ |
fbca6ad9 AO |
423 | 10, /* bitpos */ |
424 | complain_overflow_signed, /* complain_on_overflow */ | |
425 | bfd_elf_generic_reloc, /* special_function */ | |
426 | "R_SH_DIR6S", /* name */ | |
b34976b6 | 427 | FALSE, /* partial_inplace */ |
fbca6ad9 AO |
428 | 0, /* src_mask */ |
429 | 0xfc00, /* dst_mask */ | |
b34976b6 | 430 | FALSE), /* pcrel_offset */ |
fbca6ad9 AO |
431 | |
432 | /* Used in ADDI, ANDI et al. */ | |
433 | HOWTO (R_SH_DIR10S, /* type */ | |
434 | 0, /* rightshift */ | |
435 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
436 | 10, /* bitsize */ | |
b34976b6 | 437 | FALSE, /* pc_relative */ |
fbca6ad9 AO |
438 | 10, /* bitpos */ |
439 | complain_overflow_signed, /* complain_on_overflow */ | |
440 | bfd_elf_generic_reloc, /* special_function */ | |
441 | "R_SH_DIR10S", /* name */ | |
b34976b6 | 442 | FALSE, /* partial_inplace */ |
fbca6ad9 AO |
443 | 0, /* src_mask */ |
444 | 0xffc00, /* dst_mask */ | |
b34976b6 | 445 | FALSE), /* pcrel_offset */ |
fbca6ad9 AO |
446 | |
447 | /* Used in LD.UW, ST.W et al. */ | |
448 | HOWTO (R_SH_DIR10SW, /* type */ | |
449 | 1, /* rightshift */ | |
450 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
451 | 11, /* bitsize */ | |
b34976b6 | 452 | FALSE, /* pc_relative */ |
fbca6ad9 AO |
453 | 10, /* bitpos */ |
454 | complain_overflow_signed, /* complain_on_overflow */ | |
455 | bfd_elf_generic_reloc, /* special_function */ | |
456 | "R_SH_DIR10SW", /* name */ | |
b34976b6 | 457 | FALSE, /* partial_inplace */ |
fbca6ad9 AO |
458 | 0, /* src_mask */ |
459 | 0xffc00, /* dst_mask */ | |
b34976b6 | 460 | FALSE), /* pcrel_offset */ |
fbca6ad9 AO |
461 | |
462 | /* Used in LD.L, FLD.S et al. */ | |
463 | HOWTO (R_SH_DIR10SL, /* type */ | |
464 | 2, /* rightshift */ | |
465 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
466 | 12, /* bitsize */ | |
b34976b6 | 467 | FALSE, /* pc_relative */ |
fbca6ad9 AO |
468 | 10, /* bitpos */ |
469 | complain_overflow_signed, /* complain_on_overflow */ | |
470 | bfd_elf_generic_reloc, /* special_function */ | |
471 | "R_SH_DIR10SL", /* name */ | |
b34976b6 | 472 | FALSE, /* partial_inplace */ |
fbca6ad9 AO |
473 | 0, /* src_mask */ |
474 | 0xffc00, /* dst_mask */ | |
b34976b6 | 475 | FALSE), /* pcrel_offset */ |
fbca6ad9 AO |
476 | |
477 | /* Used in FLD.D, FST.P et al. */ | |
478 | HOWTO (R_SH_DIR10SQ, /* type */ | |
479 | 3, /* rightshift */ | |
480 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
481 | 13, /* bitsize */ | |
b34976b6 | 482 | FALSE, /* pc_relative */ |
fbca6ad9 AO |
483 | 10, /* bitpos */ |
484 | complain_overflow_signed, /* complain_on_overflow */ | |
485 | bfd_elf_generic_reloc, /* special_function */ | |
486 | "R_SH_DIR10SQ", /* name */ | |
b34976b6 | 487 | FALSE, /* partial_inplace */ |
fbca6ad9 AO |
488 | 0, /* src_mask */ |
489 | 0xffc00, /* dst_mask */ | |
b34976b6 | 490 | FALSE), /* pcrel_offset */ |
fbca6ad9 AO |
491 | |
492 | EMPTY_HOWTO (52), | |
493 | EMPTY_HOWTO (53), | |
494 | EMPTY_HOWTO (54), | |
495 | EMPTY_HOWTO (55), | |
496 | EMPTY_HOWTO (56), | |
497 | EMPTY_HOWTO (57), | |
498 | EMPTY_HOWTO (58), | |
499 | EMPTY_HOWTO (59), | |
500 | EMPTY_HOWTO (60), | |
501 | EMPTY_HOWTO (61), | |
502 | EMPTY_HOWTO (62), | |
503 | EMPTY_HOWTO (63), | |
504 | EMPTY_HOWTO (64), | |
505 | EMPTY_HOWTO (65), | |
506 | EMPTY_HOWTO (66), | |
507 | EMPTY_HOWTO (67), | |
508 | EMPTY_HOWTO (68), | |
509 | EMPTY_HOWTO (69), | |
510 | EMPTY_HOWTO (70), | |
511 | EMPTY_HOWTO (71), | |
512 | EMPTY_HOWTO (72), | |
513 | EMPTY_HOWTO (73), | |
514 | EMPTY_HOWTO (74), | |
515 | EMPTY_HOWTO (75), | |
516 | EMPTY_HOWTO (76), | |
517 | EMPTY_HOWTO (77), | |
518 | EMPTY_HOWTO (78), | |
519 | EMPTY_HOWTO (79), | |
520 | EMPTY_HOWTO (80), | |
521 | EMPTY_HOWTO (81), | |
522 | EMPTY_HOWTO (82), | |
523 | EMPTY_HOWTO (83), | |
524 | EMPTY_HOWTO (84), | |
525 | EMPTY_HOWTO (85), | |
526 | EMPTY_HOWTO (86), | |
527 | EMPTY_HOWTO (87), | |
528 | EMPTY_HOWTO (88), | |
529 | EMPTY_HOWTO (89), | |
530 | EMPTY_HOWTO (90), | |
531 | EMPTY_HOWTO (91), | |
532 | EMPTY_HOWTO (92), | |
533 | EMPTY_HOWTO (93), | |
534 | EMPTY_HOWTO (94), | |
535 | EMPTY_HOWTO (95), | |
536 | EMPTY_HOWTO (96), | |
537 | EMPTY_HOWTO (97), | |
538 | EMPTY_HOWTO (98), | |
539 | EMPTY_HOWTO (99), | |
540 | EMPTY_HOWTO (100), | |
541 | EMPTY_HOWTO (101), | |
542 | EMPTY_HOWTO (102), | |
543 | EMPTY_HOWTO (103), | |
544 | EMPTY_HOWTO (104), | |
545 | EMPTY_HOWTO (105), | |
546 | EMPTY_HOWTO (106), | |
547 | EMPTY_HOWTO (107), | |
548 | EMPTY_HOWTO (108), | |
549 | EMPTY_HOWTO (109), | |
550 | EMPTY_HOWTO (110), | |
551 | EMPTY_HOWTO (111), | |
552 | EMPTY_HOWTO (112), | |
553 | EMPTY_HOWTO (113), | |
554 | EMPTY_HOWTO (114), | |
555 | EMPTY_HOWTO (115), | |
556 | EMPTY_HOWTO (116), | |
557 | EMPTY_HOWTO (117), | |
558 | EMPTY_HOWTO (118), | |
559 | EMPTY_HOWTO (119), | |
560 | EMPTY_HOWTO (120), | |
561 | EMPTY_HOWTO (121), | |
562 | EMPTY_HOWTO (122), | |
563 | EMPTY_HOWTO (123), | |
564 | EMPTY_HOWTO (124), | |
565 | EMPTY_HOWTO (125), | |
566 | EMPTY_HOWTO (126), | |
567 | EMPTY_HOWTO (127), | |
568 | EMPTY_HOWTO (128), | |
569 | EMPTY_HOWTO (129), | |
570 | EMPTY_HOWTO (130), | |
571 | EMPTY_HOWTO (131), | |
572 | EMPTY_HOWTO (132), | |
573 | EMPTY_HOWTO (133), | |
574 | EMPTY_HOWTO (134), | |
575 | EMPTY_HOWTO (135), | |
576 | EMPTY_HOWTO (136), | |
577 | EMPTY_HOWTO (137), | |
578 | EMPTY_HOWTO (138), | |
579 | EMPTY_HOWTO (139), | |
580 | EMPTY_HOWTO (140), | |
581 | EMPTY_HOWTO (141), | |
582 | EMPTY_HOWTO (142), | |
583 | EMPTY_HOWTO (143), | |
584 | EMPTY_HOWTO (144), | |
585 | EMPTY_HOWTO (145), | |
586 | EMPTY_HOWTO (146), | |
587 | EMPTY_HOWTO (147), | |
588 | EMPTY_HOWTO (148), | |
589 | EMPTY_HOWTO (149), | |
590 | EMPTY_HOWTO (150), | |
591 | EMPTY_HOWTO (151), | |
592 | EMPTY_HOWTO (152), | |
593 | EMPTY_HOWTO (153), | |
594 | EMPTY_HOWTO (154), | |
595 | EMPTY_HOWTO (155), | |
596 | EMPTY_HOWTO (156), | |
597 | EMPTY_HOWTO (157), | |
598 | EMPTY_HOWTO (158), | |
599 | EMPTY_HOWTO (159), | |
600 | ||
601 | /* Relocs for dynamic linking for 32-bit SH would follow. We don't have | |
602 | any dynamic linking support for 64-bit SH at present. */ | |
603 | ||
604 | EMPTY_HOWTO (160), | |
605 | EMPTY_HOWTO (161), | |
606 | EMPTY_HOWTO (162), | |
607 | EMPTY_HOWTO (163), | |
608 | EMPTY_HOWTO (164), | |
609 | EMPTY_HOWTO (165), | |
610 | EMPTY_HOWTO (166), | |
611 | EMPTY_HOWTO (167), | |
612 | EMPTY_HOWTO (168), | |
613 | ||
614 | /* Back to SH5 relocations. */ | |
615 | /* Used in MOVI and SHORI (x & 65536). */ | |
616 | HOWTO (R_SH_GOT_LOW16, /* type */ | |
617 | 0, /* rightshift */ | |
618 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
619 | 64, /* bitsize */ | |
b34976b6 | 620 | FALSE, /* pc_relative */ |
fbca6ad9 AO |
621 | 10, /* bitpos */ |
622 | complain_overflow_dont, /* complain_on_overflow */ | |
623 | bfd_elf_generic_reloc, /* special_function */ | |
624 | "R_SH_GOT_LOW16", /* name */ | |
b34976b6 | 625 | FALSE, /* partial_inplace */ |
fbca6ad9 AO |
626 | 0, /* src_mask */ |
627 | 0x3fffc00, /* dst_mask */ | |
b34976b6 | 628 | FALSE), /* pcrel_offset */ |
fbca6ad9 AO |
629 | |
630 | /* Used in MOVI and SHORI ((x >> 16) & 65536). */ | |
631 | HOWTO (R_SH_GOT_MEDLOW16, /* type */ | |
632 | 16, /* rightshift */ | |
633 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
634 | 64, /* bitsize */ | |
b34976b6 | 635 | FALSE, /* pc_relative */ |
fbca6ad9 AO |
636 | 10, /* bitpos */ |
637 | complain_overflow_dont, /* complain_on_overflow */ | |
638 | bfd_elf_generic_reloc, /* special_function */ | |
639 | "R_SH_GOT_MEDLOW16", /* name */ | |
b34976b6 | 640 | FALSE, /* partial_inplace */ |
fbca6ad9 AO |
641 | 0, /* src_mask */ |
642 | 0x3fffc00, /* dst_mask */ | |
b34976b6 | 643 | FALSE), /* pcrel_offset */ |
fbca6ad9 AO |
644 | |
645 | /* Used in MOVI and SHORI ((x >> 32) & 65536). */ | |
646 | HOWTO (R_SH_GOT_MEDHI16, /* type */ | |
647 | 32, /* rightshift */ | |
648 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
649 | 64, /* bitsize */ | |
b34976b6 | 650 | FALSE, /* pc_relative */ |
fbca6ad9 AO |
651 | 10, /* bitpos */ |
652 | complain_overflow_dont, /* complain_on_overflow */ | |
653 | bfd_elf_generic_reloc, /* special_function */ | |
654 | "R_SH_GOT_MEDHI16", /* name */ | |
b34976b6 | 655 | FALSE, /* partial_inplace */ |
fbca6ad9 AO |
656 | 0, /* src_mask */ |
657 | 0x3fffc00, /* dst_mask */ | |
b34976b6 | 658 | FALSE), /* pcrel_offset */ |
fbca6ad9 AO |
659 | |
660 | /* Used in MOVI and SHORI ((x >> 48) & 65536). */ | |
661 | HOWTO (R_SH_GOT_HI16, /* type */ | |
662 | 48, /* rightshift */ | |
663 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
664 | 64, /* bitsize */ | |
b34976b6 | 665 | FALSE, /* pc_relative */ |
fbca6ad9 AO |
666 | 10, /* bitpos */ |
667 | complain_overflow_dont, /* complain_on_overflow */ | |
668 | bfd_elf_generic_reloc, /* special_function */ | |
669 | "R_SH_GOT_HI16", /* name */ | |
b34976b6 | 670 | FALSE, /* partial_inplace */ |
fbca6ad9 AO |
671 | 0, /* src_mask */ |
672 | 0x3fffc00, /* dst_mask */ | |
b34976b6 | 673 | FALSE), /* pcrel_offset */ |
fbca6ad9 AO |
674 | |
675 | /* Used in MOVI and SHORI (x & 65536). */ | |
676 | HOWTO (R_SH_GOTPLT_LOW16, /* type */ | |
677 | 0, /* rightshift */ | |
678 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
679 | 64, /* bitsize */ | |
b34976b6 | 680 | FALSE, /* pc_relative */ |
fbca6ad9 AO |
681 | 10, /* bitpos */ |
682 | complain_overflow_dont, /* complain_on_overflow */ | |
683 | bfd_elf_generic_reloc, /* special_function */ | |
684 | "R_SH_GOTPLT_LOW16", /* name */ | |
b34976b6 | 685 | FALSE, /* partial_inplace */ |
fbca6ad9 AO |
686 | 0, /* src_mask */ |
687 | 0x3fffc00, /* dst_mask */ | |
b34976b6 | 688 | FALSE), /* pcrel_offset */ |
fbca6ad9 AO |
689 | |
690 | /* Used in MOVI and SHORI ((x >> 16) & 65536). */ | |
691 | HOWTO (R_SH_GOTPLT_MEDLOW16, /* type */ | |
692 | 16, /* rightshift */ | |
693 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
694 | 64, /* bitsize */ | |
b34976b6 | 695 | FALSE, /* pc_relative */ |
fbca6ad9 AO |
696 | 10, /* bitpos */ |
697 | complain_overflow_dont, /* complain_on_overflow */ | |
698 | bfd_elf_generic_reloc, /* special_function */ | |
699 | "R_SH_GOTPLT_MEDLOW16", /* name */ | |
b34976b6 | 700 | FALSE, /* partial_inplace */ |
fbca6ad9 AO |
701 | 0, /* src_mask */ |
702 | 0x3fffc00, /* dst_mask */ | |
b34976b6 | 703 | FALSE), /* pcrel_offset */ |
fbca6ad9 AO |
704 | |
705 | /* Used in MOVI and SHORI ((x >> 32) & 65536). */ | |
706 | HOWTO (R_SH_GOTPLT_MEDHI16, /* type */ | |
707 | 32, /* rightshift */ | |
708 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
709 | 64, /* bitsize */ | |
b34976b6 | 710 | FALSE, /* pc_relative */ |
fbca6ad9 AO |
711 | 10, /* bitpos */ |
712 | complain_overflow_dont, /* complain_on_overflow */ | |
713 | bfd_elf_generic_reloc, /* special_function */ | |
714 | "R_SH_GOTPLT_MEDHI16", /* name */ | |
b34976b6 | 715 | FALSE, /* partial_inplace */ |
fbca6ad9 AO |
716 | 0, /* src_mask */ |
717 | 0x3fffc00, /* dst_mask */ | |
b34976b6 | 718 | FALSE), /* pcrel_offset */ |
fbca6ad9 AO |
719 | |
720 | /* Used in MOVI and SHORI ((x >> 48) & 65536). */ | |
721 | HOWTO (R_SH_GOTPLT_HI16, /* type */ | |
722 | 48, /* rightshift */ | |
723 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
724 | 64, /* bitsize */ | |
b34976b6 | 725 | FALSE, /* pc_relative */ |
fbca6ad9 AO |
726 | 10, /* bitpos */ |
727 | complain_overflow_dont, /* complain_on_overflow */ | |
728 | bfd_elf_generic_reloc, /* special_function */ | |
729 | "R_SH_GOTPLT_HI16", /* name */ | |
b34976b6 | 730 | FALSE, /* partial_inplace */ |
fbca6ad9 AO |
731 | 0, /* src_mask */ |
732 | 0x3fffc00, /* dst_mask */ | |
b34976b6 | 733 | FALSE), /* pcrel_offset */ |
fbca6ad9 AO |
734 | |
735 | /* Used in MOVI and SHORI (x & 65536). */ | |
736 | HOWTO (R_SH_PLT_LOW16, /* type */ | |
737 | 0, /* rightshift */ | |
738 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
739 | 64, /* bitsize */ | |
b34976b6 | 740 | TRUE, /* pc_relative */ |
fbca6ad9 AO |
741 | 10, /* bitpos */ |
742 | complain_overflow_dont, /* complain_on_overflow */ | |
743 | bfd_elf_generic_reloc, /* special_function */ | |
744 | "R_SH_PLT_LOW16", /* name */ | |
b34976b6 | 745 | FALSE, /* partial_inplace */ |
fbca6ad9 AO |
746 | 0, /* src_mask */ |
747 | 0x3fffc00, /* dst_mask */ | |
b34976b6 | 748 | TRUE), /* pcrel_offset */ |
fbca6ad9 AO |
749 | |
750 | /* Used in MOVI and SHORI ((x >> 16) & 65536). */ | |
751 | HOWTO (R_SH_PLT_MEDLOW16, /* type */ | |
752 | 16, /* rightshift */ | |
753 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
754 | 64, /* bitsize */ | |
b34976b6 | 755 | TRUE, /* pc_relative */ |
fbca6ad9 AO |
756 | 10, /* bitpos */ |
757 | complain_overflow_dont, /* complain_on_overflow */ | |
758 | bfd_elf_generic_reloc, /* special_function */ | |
759 | "R_SH_PLT_MEDLOW16", /* name */ | |
b34976b6 | 760 | FALSE, /* partial_inplace */ |
fbca6ad9 AO |
761 | 0, /* src_mask */ |
762 | 0x3fffc00, /* dst_mask */ | |
b34976b6 | 763 | TRUE), /* pcrel_offset */ |
fbca6ad9 AO |
764 | |
765 | /* Used in MOVI and SHORI ((x >> 32) & 65536). */ | |
766 | HOWTO (R_SH_PLT_MEDHI16, /* type */ | |
767 | 32, /* rightshift */ | |
768 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
769 | 64, /* bitsize */ | |
b34976b6 | 770 | TRUE, /* pc_relative */ |
fbca6ad9 AO |
771 | 10, /* bitpos */ |
772 | complain_overflow_dont, /* complain_on_overflow */ | |
773 | bfd_elf_generic_reloc, /* special_function */ | |
774 | "R_SH_PLT_MEDHI16", /* name */ | |
b34976b6 | 775 | FALSE, /* partial_inplace */ |
fbca6ad9 AO |
776 | 0, /* src_mask */ |
777 | 0x3fffc00, /* dst_mask */ | |
b34976b6 | 778 | TRUE), /* pcrel_offset */ |
fbca6ad9 AO |
779 | |
780 | /* Used in MOVI and SHORI ((x >> 48) & 65536). */ | |
781 | HOWTO (R_SH_PLT_HI16, /* type */ | |
782 | 48, /* rightshift */ | |
783 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
784 | 64, /* bitsize */ | |
b34976b6 | 785 | TRUE, /* pc_relative */ |
fbca6ad9 AO |
786 | 10, /* bitpos */ |
787 | complain_overflow_dont, /* complain_on_overflow */ | |
788 | bfd_elf_generic_reloc, /* special_function */ | |
789 | "R_SH_PLT_HI16", /* name */ | |
b34976b6 | 790 | FALSE, /* partial_inplace */ |
fbca6ad9 AO |
791 | 0, /* src_mask */ |
792 | 0x3fffc00, /* dst_mask */ | |
b34976b6 | 793 | TRUE), /* pcrel_offset */ |
fbca6ad9 AO |
794 | |
795 | /* Used in MOVI and SHORI (x & 65536). */ | |
796 | HOWTO (R_SH_GOTOFF_LOW16, /* type */ | |
797 | 0, /* rightshift */ | |
798 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
799 | 64, /* bitsize */ | |
b34976b6 | 800 | FALSE, /* pc_relative */ |
fbca6ad9 AO |
801 | 10, /* bitpos */ |
802 | complain_overflow_dont, /* complain_on_overflow */ | |
803 | bfd_elf_generic_reloc, /* special_function */ | |
804 | "R_SH_GOTOFF_LOW16", /* name */ | |
b34976b6 | 805 | FALSE, /* partial_inplace */ |
fbca6ad9 AO |
806 | 0, /* src_mask */ |
807 | 0x3fffc00, /* dst_mask */ | |
b34976b6 | 808 | FALSE), /* pcrel_offset */ |
fbca6ad9 AO |
809 | |
810 | /* Used in MOVI and SHORI ((x >> 16) & 65536). */ | |
811 | HOWTO (R_SH_GOTOFF_MEDLOW16, /* type */ | |
812 | 16, /* rightshift */ | |
813 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
814 | 64, /* bitsize */ | |
b34976b6 | 815 | FALSE, /* pc_relative */ |
fbca6ad9 AO |
816 | 10, /* bitpos */ |
817 | complain_overflow_dont, /* complain_on_overflow */ | |
818 | bfd_elf_generic_reloc, /* special_function */ | |
819 | "R_SH_GOTOFF_MEDLOW16", /* name */ | |
b34976b6 | 820 | FALSE, /* partial_inplace */ |
fbca6ad9 AO |
821 | 0, /* src_mask */ |
822 | 0x3fffc00, /* dst_mask */ | |
b34976b6 | 823 | FALSE), /* pcrel_offset */ |
fbca6ad9 AO |
824 | |
825 | /* Used in MOVI and SHORI ((x >> 32) & 65536). */ | |
826 | HOWTO (R_SH_GOTOFF_MEDHI16, /* type */ | |
827 | 32, /* rightshift */ | |
828 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
829 | 64, /* bitsize */ | |
b34976b6 | 830 | FALSE, /* pc_relative */ |
fbca6ad9 AO |
831 | 10, /* bitpos */ |
832 | complain_overflow_dont, /* complain_on_overflow */ | |
833 | bfd_elf_generic_reloc, /* special_function */ | |
834 | "R_SH_GOTOFF_MEDHI16", /* name */ | |
b34976b6 | 835 | FALSE, /* partial_inplace */ |
fbca6ad9 AO |
836 | 0, /* src_mask */ |
837 | 0x3fffc00, /* dst_mask */ | |
b34976b6 | 838 | FALSE), /* pcrel_offset */ |
fbca6ad9 AO |
839 | |
840 | /* Used in MOVI and SHORI ((x >> 48) & 65536). */ | |
841 | HOWTO (R_SH_GOTOFF_HI16, /* type */ | |
842 | 48, /* rightshift */ | |
843 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
844 | 64, /* bitsize */ | |
b34976b6 | 845 | FALSE, /* pc_relative */ |
fbca6ad9 AO |
846 | 10, /* bitpos */ |
847 | complain_overflow_dont, /* complain_on_overflow */ | |
848 | bfd_elf_generic_reloc, /* special_function */ | |
849 | "R_SH_GOTOFF_HI16", /* name */ | |
b34976b6 | 850 | FALSE, /* partial_inplace */ |
fbca6ad9 AO |
851 | 0, /* src_mask */ |
852 | 0x3fffc00, /* dst_mask */ | |
b34976b6 | 853 | FALSE), /* pcrel_offset */ |
fbca6ad9 AO |
854 | |
855 | /* Used in MOVI and SHORI (x & 65536). */ | |
856 | HOWTO (R_SH_GOTPC_LOW16, /* type */ | |
857 | 0, /* rightshift */ | |
858 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
859 | 64, /* bitsize */ | |
b34976b6 | 860 | TRUE, /* pc_relative */ |
fbca6ad9 AO |
861 | 10, /* bitpos */ |
862 | complain_overflow_dont, /* complain_on_overflow */ | |
863 | bfd_elf_generic_reloc, /* special_function */ | |
864 | "R_SH_GOTPC_LOW16", /* name */ | |
b34976b6 | 865 | FALSE, /* partial_inplace */ |
fbca6ad9 AO |
866 | 0, /* src_mask */ |
867 | 0x3fffc00, /* dst_mask */ | |
b34976b6 | 868 | TRUE), /* pcrel_offset */ |
fbca6ad9 AO |
869 | |
870 | /* Used in MOVI and SHORI ((x >> 16) & 65536). */ | |
871 | HOWTO (R_SH_GOTPC_MEDLOW16, /* type */ | |
872 | 16, /* rightshift */ | |
873 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
874 | 64, /* bitsize */ | |
b34976b6 | 875 | TRUE, /* pc_relative */ |
fbca6ad9 AO |
876 | 10, /* bitpos */ |
877 | complain_overflow_dont, /* complain_on_overflow */ | |
878 | bfd_elf_generic_reloc, /* special_function */ | |
879 | "R_SH_GOTPC_MEDLOW16", /* name */ | |
b34976b6 | 880 | FALSE, /* partial_inplace */ |
fbca6ad9 AO |
881 | 0, /* src_mask */ |
882 | 0x3fffc00, /* dst_mask */ | |
b34976b6 | 883 | TRUE), /* pcrel_offset */ |
fbca6ad9 AO |
884 | |
885 | /* Used in MOVI and SHORI ((x >> 32) & 65536). */ | |
886 | HOWTO (R_SH_GOTPC_MEDHI16, /* type */ | |
887 | 32, /* rightshift */ | |
888 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
889 | 64, /* bitsize */ | |
b34976b6 | 890 | TRUE, /* pc_relative */ |
fbca6ad9 AO |
891 | 10, /* bitpos */ |
892 | complain_overflow_dont, /* complain_on_overflow */ | |
893 | bfd_elf_generic_reloc, /* special_function */ | |
894 | "R_SH_GOTPC_MEDHI16", /* name */ | |
b34976b6 | 895 | FALSE, /* partial_inplace */ |
fbca6ad9 AO |
896 | 0, /* src_mask */ |
897 | 0x3fffc00, /* dst_mask */ | |
b34976b6 | 898 | TRUE), /* pcrel_offset */ |
fbca6ad9 AO |
899 | |
900 | /* Used in MOVI and SHORI ((x >> 48) & 65536). */ | |
901 | HOWTO (R_SH_GOTPC_HI16, /* type */ | |
902 | 48, /* rightshift */ | |
903 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
904 | 64, /* bitsize */ | |
b34976b6 | 905 | TRUE, /* pc_relative */ |
fbca6ad9 AO |
906 | 10, /* bitpos */ |
907 | complain_overflow_dont, /* complain_on_overflow */ | |
908 | bfd_elf_generic_reloc, /* special_function */ | |
909 | "R_SH_GOTPC_HI16", /* name */ | |
b34976b6 | 910 | FALSE, /* partial_inplace */ |
fbca6ad9 AO |
911 | 0, /* src_mask */ |
912 | 0x3fffc00, /* dst_mask */ | |
b34976b6 | 913 | TRUE), /* pcrel_offset */ |
fbca6ad9 AO |
914 | |
915 | /* Used in LD.L, FLD.S et al. */ | |
916 | HOWTO (R_SH_GOT10BY4, /* type */ | |
917 | 2, /* rightshift */ | |
918 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
919 | 12, /* bitsize */ | |
b34976b6 | 920 | FALSE, /* pc_relative */ |
fbca6ad9 AO |
921 | 10, /* bitpos */ |
922 | complain_overflow_signed, /* complain_on_overflow */ | |
923 | bfd_elf_generic_reloc, /* special_function */ | |
924 | "R_SH_GOT10BY4", /* name */ | |
b34976b6 | 925 | FALSE, /* partial_inplace */ |
fbca6ad9 AO |
926 | 0, /* src_mask */ |
927 | 0xffc00, /* dst_mask */ | |
b34976b6 | 928 | FALSE), /* pcrel_offset */ |
fbca6ad9 AO |
929 | |
930 | /* Used in LD.L, FLD.S et al. */ | |
931 | HOWTO (R_SH_GOTPLT10BY4, /* type */ | |
932 | 2, /* rightshift */ | |
933 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
934 | 12, /* bitsize */ | |
b34976b6 | 935 | FALSE, /* pc_relative */ |
fbca6ad9 AO |
936 | 10, /* bitpos */ |
937 | complain_overflow_signed, /* complain_on_overflow */ | |
938 | bfd_elf_generic_reloc, /* special_function */ | |
939 | "R_SH_GOTPLT10BY4", /* name */ | |
b34976b6 | 940 | FALSE, /* partial_inplace */ |
fbca6ad9 AO |
941 | 0, /* src_mask */ |
942 | 0xffc00, /* dst_mask */ | |
b34976b6 | 943 | FALSE), /* pcrel_offset */ |
fbca6ad9 AO |
944 | |
945 | /* Used in FLD.D, FST.P et al. */ | |
946 | HOWTO (R_SH_GOT10BY8, /* type */ | |
947 | 3, /* rightshift */ | |
948 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
949 | 13, /* bitsize */ | |
b34976b6 | 950 | FALSE, /* pc_relative */ |
fbca6ad9 AO |
951 | 10, /* bitpos */ |
952 | complain_overflow_signed, /* complain_on_overflow */ | |
953 | bfd_elf_generic_reloc, /* special_function */ | |
954 | "R_SH_GOT10BY8", /* name */ | |
b34976b6 | 955 | FALSE, /* partial_inplace */ |
fbca6ad9 AO |
956 | 0, /* src_mask */ |
957 | 0xffc00, /* dst_mask */ | |
b34976b6 | 958 | FALSE), /* pcrel_offset */ |
fbca6ad9 AO |
959 | |
960 | /* Used in FLD.D, FST.P et al. */ | |
961 | HOWTO (R_SH_GOTPLT10BY8, /* type */ | |
962 | 3, /* rightshift */ | |
963 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
964 | 13, /* bitsize */ | |
b34976b6 | 965 | FALSE, /* pc_relative */ |
fbca6ad9 AO |
966 | 10, /* bitpos */ |
967 | complain_overflow_signed, /* complain_on_overflow */ | |
968 | bfd_elf_generic_reloc, /* special_function */ | |
969 | "R_SH_GOTPLT10BY8", /* name */ | |
b34976b6 | 970 | FALSE, /* partial_inplace */ |
fbca6ad9 AO |
971 | 0, /* src_mask */ |
972 | 0xffc00, /* dst_mask */ | |
b34976b6 | 973 | FALSE), /* pcrel_offset */ |
fbca6ad9 AO |
974 | |
975 | HOWTO (R_SH_COPY64, /* type */ | |
976 | 0, /* rightshift */ | |
977 | 4, /* size (0 = byte, 1 = short, 2 = long) */ | |
978 | 64, /* bitsize */ | |
b34976b6 | 979 | FALSE, /* pc_relative */ |
fbca6ad9 AO |
980 | 0, /* bitpos */ |
981 | complain_overflow_dont, /* complain_on_overflow */ | |
982 | bfd_elf_generic_reloc, /* special_function */ | |
983 | "R_SH_COPY64", /* name */ | |
b34976b6 | 984 | FALSE, /* partial_inplace */ |
fbca6ad9 AO |
985 | 0, /* src_mask */ |
986 | ((bfd_vma) 0) - 1, /* dst_mask */ | |
b34976b6 | 987 | FALSE), /* pcrel_offset */ |
fbca6ad9 AO |
988 | |
989 | HOWTO (R_SH_GLOB_DAT64, /* type */ | |
990 | 0, /* rightshift */ | |
991 | 4, /* size (0 = byte, 1 = short, 2 = long) */ | |
992 | 64, /* bitsize */ | |
b34976b6 | 993 | FALSE, /* pc_relative */ |
fbca6ad9 AO |
994 | 0, /* bitpos */ |
995 | complain_overflow_dont, /* complain_on_overflow */ | |
996 | bfd_elf_generic_reloc, /* special_function */ | |
997 | "R_SH_GLOB_DAT64", /* name */ | |
b34976b6 | 998 | FALSE, /* partial_inplace */ |
fbca6ad9 AO |
999 | 0, /* src_mask */ |
1000 | ((bfd_vma) 0) - 1, /* dst_mask */ | |
b34976b6 | 1001 | FALSE), /* pcrel_offset */ |
fbca6ad9 AO |
1002 | |
1003 | HOWTO (R_SH_JMP_SLOT64, /* type */ | |
1004 | 0, /* rightshift */ | |
1005 | 4, /* size (0 = byte, 1 = short, 2 = long) */ | |
1006 | 64, /* bitsize */ | |
b34976b6 | 1007 | FALSE, /* pc_relative */ |
fbca6ad9 AO |
1008 | 0, /* bitpos */ |
1009 | complain_overflow_dont, /* complain_on_overflow */ | |
1010 | bfd_elf_generic_reloc, /* special_function */ | |
1011 | "R_SH_JMP_SLOT64", /* name */ | |
b34976b6 | 1012 | FALSE, /* partial_inplace */ |
fbca6ad9 AO |
1013 | 0, /* src_mask */ |
1014 | ((bfd_vma) 0) - 1, /* dst_mask */ | |
b34976b6 | 1015 | FALSE), /* pcrel_offset */ |
fbca6ad9 AO |
1016 | |
1017 | HOWTO (R_SH_RELATIVE64, /* type */ | |
1018 | 0, /* rightshift */ | |
1019 | 4, /* size (0 = byte, 1 = short, 2 = long) */ | |
1020 | 64, /* bitsize */ | |
b34976b6 | 1021 | FALSE, /* pc_relative */ |
fbca6ad9 AO |
1022 | 0, /* bitpos */ |
1023 | complain_overflow_dont, /* complain_on_overflow */ | |
1024 | bfd_elf_generic_reloc, /* special_function */ | |
1025 | "R_SH_RELATIVE64", /* name */ | |
b34976b6 | 1026 | FALSE, /* partial_inplace */ |
fbca6ad9 AO |
1027 | 0, /* src_mask */ |
1028 | ((bfd_vma) 0) - 1, /* dst_mask */ | |
b34976b6 | 1029 | FALSE), /* pcrel_offset */ |
fbca6ad9 AO |
1030 | |
1031 | EMPTY_HOWTO (197), | |
1032 | EMPTY_HOWTO (198), | |
1033 | EMPTY_HOWTO (199), | |
1034 | EMPTY_HOWTO (200), | |
1035 | EMPTY_HOWTO (201), | |
1036 | EMPTY_HOWTO (202), | |
1037 | EMPTY_HOWTO (203), | |
1038 | EMPTY_HOWTO (204), | |
1039 | EMPTY_HOWTO (205), | |
1040 | EMPTY_HOWTO (206), | |
1041 | EMPTY_HOWTO (207), | |
1042 | EMPTY_HOWTO (208), | |
1043 | EMPTY_HOWTO (209), | |
1044 | EMPTY_HOWTO (210), | |
1045 | EMPTY_HOWTO (211), | |
1046 | EMPTY_HOWTO (212), | |
1047 | EMPTY_HOWTO (213), | |
1048 | EMPTY_HOWTO (214), | |
1049 | EMPTY_HOWTO (215), | |
1050 | EMPTY_HOWTO (216), | |
1051 | EMPTY_HOWTO (217), | |
1052 | EMPTY_HOWTO (218), | |
1053 | EMPTY_HOWTO (219), | |
1054 | EMPTY_HOWTO (220), | |
1055 | EMPTY_HOWTO (221), | |
1056 | EMPTY_HOWTO (222), | |
1057 | EMPTY_HOWTO (223), | |
1058 | EMPTY_HOWTO (224), | |
1059 | EMPTY_HOWTO (225), | |
1060 | EMPTY_HOWTO (226), | |
1061 | EMPTY_HOWTO (227), | |
1062 | EMPTY_HOWTO (228), | |
1063 | EMPTY_HOWTO (229), | |
1064 | EMPTY_HOWTO (230), | |
1065 | EMPTY_HOWTO (231), | |
1066 | EMPTY_HOWTO (232), | |
1067 | EMPTY_HOWTO (233), | |
1068 | EMPTY_HOWTO (234), | |
1069 | EMPTY_HOWTO (235), | |
1070 | EMPTY_HOWTO (236), | |
1071 | EMPTY_HOWTO (237), | |
1072 | EMPTY_HOWTO (238), | |
1073 | EMPTY_HOWTO (239), | |
1074 | EMPTY_HOWTO (240), | |
1075 | EMPTY_HOWTO (241), | |
1076 | ||
1077 | /* Relocations for SHmedia code. None of these are partial_inplace or | |
1078 | use the field being relocated. */ | |
1079 | ||
1080 | /* The assembler will generate this reloc before a block of SHmedia | |
1081 | instructions. A section should be processed as assuming it contains | |
1082 | data, unless this reloc is seen. Note that a block of SHcompact | |
1083 | instructions are instead preceded by R_SH_CODE. | |
1084 | This is currently not implemented, but should be used for SHmedia | |
1085 | linker relaxation. */ | |
1086 | HOWTO (R_SH_SHMEDIA_CODE, /* type */ | |
1087 | 0, /* rightshift */ | |
1088 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
1089 | 0, /* bitsize */ | |
b34976b6 | 1090 | FALSE, /* pc_relative */ |
fbca6ad9 AO |
1091 | 0, /* bitpos */ |
1092 | complain_overflow_unsigned, /* complain_on_overflow */ | |
1093 | sh_elf64_ignore_reloc, /* special_function */ | |
1094 | "R_SH_SHMEDIA_CODE", /* name */ | |
b34976b6 | 1095 | FALSE, /* partial_inplace */ |
fbca6ad9 AO |
1096 | 0, /* src_mask */ |
1097 | 0, /* dst_mask */ | |
b34976b6 | 1098 | FALSE), /* pcrel_offset */ |
fbca6ad9 AO |
1099 | |
1100 | /* The assembler will generate this reloc at a PTA or PTB instruction, | |
1101 | and the linker checks the right type of target, or changes a PTA to a | |
1102 | PTB, if the original insn was PT. */ | |
1103 | HOWTO (R_SH_PT_16, /* type */ | |
1104 | 2, /* rightshift */ | |
1105 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1106 | 18, /* bitsize */ | |
b34976b6 | 1107 | TRUE, /* pc_relative */ |
fbca6ad9 AO |
1108 | 10, /* bitpos */ |
1109 | complain_overflow_signed, /* complain_on_overflow */ | |
1110 | bfd_elf_generic_reloc, /* special_function */ | |
1111 | "R_SH_PT_16", /* name */ | |
b34976b6 | 1112 | FALSE, /* partial_inplace */ |
fbca6ad9 AO |
1113 | 0, /* src_mask */ |
1114 | 0x3fffc00, /* dst_mask */ | |
b34976b6 | 1115 | TRUE), /* pcrel_offset */ |
fbca6ad9 AO |
1116 | |
1117 | /* Used in unexpanded MOVI. */ | |
1118 | HOWTO (R_SH_IMMS16, /* type */ | |
1119 | 0, /* rightshift */ | |
1120 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1121 | 16, /* bitsize */ | |
b34976b6 | 1122 | FALSE, /* pc_relative */ |
fbca6ad9 AO |
1123 | 10, /* bitpos */ |
1124 | complain_overflow_signed, /* complain_on_overflow */ | |
1125 | bfd_elf_generic_reloc, /* special_function */ | |
1126 | "R_SH_IMMS16", /* name */ | |
b34976b6 | 1127 | FALSE, /* partial_inplace */ |
fbca6ad9 AO |
1128 | 0, /* src_mask */ |
1129 | 0x3fffc00, /* dst_mask */ | |
b34976b6 | 1130 | FALSE), /* pcrel_offset */ |
fbca6ad9 AO |
1131 | |
1132 | /* Used in SHORI. */ | |
1133 | HOWTO (R_SH_IMMU16, /* type */ | |
1134 | 0, /* rightshift */ | |
1135 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1136 | 16, /* bitsize */ | |
b34976b6 | 1137 | FALSE, /* pc_relative */ |
fbca6ad9 AO |
1138 | 10, /* bitpos */ |
1139 | complain_overflow_unsigned, /* complain_on_overflow */ | |
1140 | bfd_elf_generic_reloc, /* special_function */ | |
1141 | "R_SH_IMMU16", /* name */ | |
b34976b6 | 1142 | FALSE, /* partial_inplace */ |
fbca6ad9 AO |
1143 | 0, /* src_mask */ |
1144 | 0x3fffc00, /* dst_mask */ | |
b34976b6 | 1145 | FALSE), /* pcrel_offset */ |
fbca6ad9 AO |
1146 | |
1147 | /* Used in MOVI and SHORI (x & 65536). */ | |
1148 | HOWTO (R_SH_IMM_LOW16, /* type */ | |
1149 | 0, /* rightshift */ | |
1150 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1151 | 64, /* bitsize */ | |
b34976b6 | 1152 | FALSE, /* pc_relative */ |
fbca6ad9 AO |
1153 | 10, /* bitpos */ |
1154 | complain_overflow_dont, /* complain_on_overflow */ | |
1155 | bfd_elf_generic_reloc, /* special_function */ | |
1156 | "R_SH_IMM_LOW16", /* name */ | |
b34976b6 | 1157 | FALSE, /* partial_inplace */ |
fbca6ad9 AO |
1158 | 0, /* src_mask */ |
1159 | 0x3fffc00, /* dst_mask */ | |
b34976b6 | 1160 | FALSE), /* pcrel_offset */ |
fbca6ad9 AO |
1161 | |
1162 | /* Used in MOVI and SHORI ((x - $) & 65536). */ | |
1163 | HOWTO (R_SH_IMM_LOW16_PCREL, /* type */ | |
1164 | 0, /* rightshift */ | |
1165 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1166 | 64, /* bitsize */ | |
b34976b6 | 1167 | TRUE, /* pc_relative */ |
fbca6ad9 AO |
1168 | 10, /* bitpos */ |
1169 | complain_overflow_dont, /* complain_on_overflow */ | |
1170 | bfd_elf_generic_reloc, /* special_function */ | |
1171 | "R_SH_IMM_LOW16_PCREL", /* name */ | |
b34976b6 | 1172 | FALSE, /* partial_inplace */ |
fbca6ad9 AO |
1173 | 0, /* src_mask */ |
1174 | 0x3fffc00, /* dst_mask */ | |
b34976b6 | 1175 | TRUE), /* pcrel_offset */ |
fbca6ad9 AO |
1176 | |
1177 | /* Used in MOVI and SHORI ((x >> 16) & 65536). */ | |
1178 | HOWTO (R_SH_IMM_MEDLOW16, /* type */ | |
1179 | 16, /* rightshift */ | |
1180 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1181 | 64, /* bitsize */ | |
b34976b6 | 1182 | FALSE, /* pc_relative */ |
fbca6ad9 AO |
1183 | 10, /* bitpos */ |
1184 | complain_overflow_dont, /* complain_on_overflow */ | |
1185 | bfd_elf_generic_reloc, /* special_function */ | |
1186 | "R_SH_IMM_MEDLOW16", /* name */ | |
b34976b6 | 1187 | FALSE, /* partial_inplace */ |
fbca6ad9 AO |
1188 | 0, /* src_mask */ |
1189 | 0x3fffc00, /* dst_mask */ | |
b34976b6 | 1190 | FALSE), /* pcrel_offset */ |
fbca6ad9 AO |
1191 | |
1192 | /* Used in MOVI and SHORI (((x - $) >> 16) & 65536). */ | |
1193 | HOWTO (R_SH_IMM_MEDLOW16_PCREL, /* type */ | |
1194 | 16, /* rightshift */ | |
1195 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1196 | 64, /* bitsize */ | |
b34976b6 | 1197 | TRUE, /* pc_relative */ |
fbca6ad9 AO |
1198 | 10, /* bitpos */ |
1199 | complain_overflow_dont, /* complain_on_overflow */ | |
1200 | bfd_elf_generic_reloc, /* special_function */ | |
1201 | "R_SH_IMM_MEDLOW16_PCREL", /* name */ | |
b34976b6 | 1202 | FALSE, /* partial_inplace */ |
fbca6ad9 AO |
1203 | 0, /* src_mask */ |
1204 | 0x3fffc00, /* dst_mask */ | |
b34976b6 | 1205 | TRUE), /* pcrel_offset */ |
fbca6ad9 AO |
1206 | |
1207 | /* Used in MOVI and SHORI ((x >> 32) & 65536). */ | |
1208 | HOWTO (R_SH_IMM_MEDHI16, /* type */ | |
1209 | 32, /* rightshift */ | |
1210 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1211 | 64, /* bitsize */ | |
b34976b6 | 1212 | FALSE, /* pc_relative */ |
fbca6ad9 AO |
1213 | 10, /* bitpos */ |
1214 | complain_overflow_dont, /* complain_on_overflow */ | |
1215 | bfd_elf_generic_reloc, /* special_function */ | |
1216 | "R_SH_IMM_MEDHI16", /* name */ | |
b34976b6 | 1217 | FALSE, /* partial_inplace */ |
fbca6ad9 AO |
1218 | 0, /* src_mask */ |
1219 | 0x3fffc00, /* dst_mask */ | |
b34976b6 | 1220 | FALSE), /* pcrel_offset */ |
fbca6ad9 AO |
1221 | |
1222 | /* Used in MOVI and SHORI (((x - $) >> 32) & 65536). */ | |
1223 | HOWTO (R_SH_IMM_MEDHI16_PCREL, /* type */ | |
1224 | 32, /* rightshift */ | |
1225 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1226 | 64, /* bitsize */ | |
b34976b6 | 1227 | TRUE, /* pc_relative */ |
fbca6ad9 AO |
1228 | 10, /* bitpos */ |
1229 | complain_overflow_dont, /* complain_on_overflow */ | |
1230 | bfd_elf_generic_reloc, /* special_function */ | |
1231 | "R_SH_IMM_MEDHI16_PCREL", /* name */ | |
b34976b6 | 1232 | FALSE, /* partial_inplace */ |
fbca6ad9 AO |
1233 | 0, /* src_mask */ |
1234 | 0x3fffc00, /* dst_mask */ | |
b34976b6 | 1235 | TRUE), /* pcrel_offset */ |
fbca6ad9 AO |
1236 | |
1237 | /* Used in MOVI and SHORI ((x >> 48) & 65536). */ | |
1238 | HOWTO (R_SH_IMM_HI16, /* type */ | |
1239 | 48, /* rightshift */ | |
1240 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1241 | 64, /* bitsize */ | |
b34976b6 | 1242 | FALSE, /* pc_relative */ |
fbca6ad9 AO |
1243 | 10, /* bitpos */ |
1244 | complain_overflow_dont, /* complain_on_overflow */ | |
1245 | bfd_elf_generic_reloc, /* special_function */ | |
1246 | "R_SH_IMM_HI16", /* name */ | |
b34976b6 | 1247 | FALSE, /* partial_inplace */ |
fbca6ad9 AO |
1248 | 0, /* src_mask */ |
1249 | 0x3fffc00, /* dst_mask */ | |
b34976b6 | 1250 | FALSE), /* pcrel_offset */ |
fbca6ad9 AO |
1251 | |
1252 | /* Used in MOVI and SHORI (((x - $) >> 48) & 65536). */ | |
1253 | HOWTO (R_SH_IMM_HI16_PCREL, /* type */ | |
1254 | 48, /* rightshift */ | |
1255 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1256 | 64, /* bitsize */ | |
b34976b6 | 1257 | TRUE, /* pc_relative */ |
fbca6ad9 AO |
1258 | 10, /* bitpos */ |
1259 | complain_overflow_dont, /* complain_on_overflow */ | |
1260 | bfd_elf_generic_reloc, /* special_function */ | |
1261 | "R_SH_IMM_HI16_PCREL", /* name */ | |
b34976b6 | 1262 | FALSE, /* partial_inplace */ |
fbca6ad9 AO |
1263 | 0, /* src_mask */ |
1264 | 0x3fffc00, /* dst_mask */ | |
b34976b6 | 1265 | TRUE), /* pcrel_offset */ |
fbca6ad9 AO |
1266 | |
1267 | /* For the .uaquad pseudo. */ | |
1268 | HOWTO (R_SH_64, /* type */ | |
1269 | 0, /* rightshift */ | |
1270 | 4, /* size (0 = byte, 1 = short, 2 = long) */ | |
1271 | 64, /* bitsize */ | |
b34976b6 | 1272 | FALSE, /* pc_relative */ |
fbca6ad9 AO |
1273 | 0, /* bitpos */ |
1274 | complain_overflow_dont, /* complain_on_overflow */ | |
1275 | bfd_elf_generic_reloc, /* special_function */ | |
1276 | "R_SH_64", /* name */ | |
b34976b6 | 1277 | FALSE, /* partial_inplace */ |
fbca6ad9 AO |
1278 | 0, /* src_mask */ |
1279 | ((bfd_vma) 0) - 1, /* dst_mask */ | |
b34976b6 | 1280 | FALSE), /* pcrel_offset */ |
fbca6ad9 AO |
1281 | |
1282 | /* For the .uaquad pseudo, (x - $). */ | |
1283 | HOWTO (R_SH_64_PCREL, /* type */ | |
1284 | 48, /* rightshift */ | |
1285 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1286 | 64, /* bitsize */ | |
b34976b6 | 1287 | TRUE, /* pc_relative */ |
fbca6ad9 AO |
1288 | 10, /* bitpos */ |
1289 | complain_overflow_dont, /* complain_on_overflow */ | |
1290 | bfd_elf_generic_reloc, /* special_function */ | |
1291 | "R_SH_64_PCREL", /* name */ | |
b34976b6 | 1292 | FALSE, /* partial_inplace */ |
fbca6ad9 AO |
1293 | 0, /* src_mask */ |
1294 | ((bfd_vma) 0) - 1, /* dst_mask */ | |
b34976b6 | 1295 | TRUE), /* pcrel_offset */ |
fbca6ad9 AO |
1296 | |
1297 | }; | |
1298 | ||
1299 | /* This function is used for relocs which are only used for relaxing, | |
1300 | which the linker should otherwise ignore. */ | |
1301 | ||
1302 | static bfd_reloc_status_type | |
1303 | sh_elf64_ignore_reloc (abfd, reloc_entry, symbol, data, input_section, | |
1304 | output_bfd, error_message) | |
1305 | bfd *abfd ATTRIBUTE_UNUSED; | |
1306 | arelent *reloc_entry; | |
1307 | asymbol *symbol ATTRIBUTE_UNUSED; | |
1308 | PTR data ATTRIBUTE_UNUSED; | |
1309 | asection *input_section; | |
1310 | bfd *output_bfd; | |
1311 | char **error_message ATTRIBUTE_UNUSED; | |
1312 | { | |
1313 | if (output_bfd != NULL) | |
1314 | reloc_entry->address += input_section->output_offset; | |
1315 | return bfd_reloc_ok; | |
1316 | } | |
1317 | ||
1318 | /* This function is used for normal relocs. This used to be like the COFF | |
1319 | function, and is almost certainly incorrect for other ELF targets. | |
1320 | ||
1321 | See sh_elf_reloc in elf32-sh.c for the original. */ | |
1322 | ||
1323 | static bfd_reloc_status_type | |
1324 | sh_elf64_reloc (abfd, reloc_entry, symbol_in, data, input_section, output_bfd, | |
1325 | error_message) | |
1326 | bfd *abfd; | |
1327 | arelent *reloc_entry; | |
1328 | asymbol *symbol_in; | |
1329 | PTR data; | |
1330 | asection *input_section; | |
1331 | bfd *output_bfd; | |
1332 | char **error_message ATTRIBUTE_UNUSED; | |
1333 | { | |
1334 | unsigned long insn; | |
1335 | bfd_vma sym_value; | |
1336 | enum elf_sh_reloc_type r_type; | |
1337 | bfd_vma addr = reloc_entry->address; | |
1338 | bfd_byte *hit_data = addr + (bfd_byte *) data; | |
1339 | ||
1340 | r_type = (enum elf_sh_reloc_type) reloc_entry->howto->type; | |
1341 | ||
1342 | if (output_bfd != NULL) | |
1343 | { | |
1344 | /* Partial linking--do nothing. */ | |
1345 | reloc_entry->address += input_section->output_offset; | |
1346 | return bfd_reloc_ok; | |
1347 | } | |
1348 | ||
1349 | if (symbol_in != NULL | |
1350 | && bfd_is_und_section (symbol_in->section)) | |
1351 | return bfd_reloc_undefined; | |
1352 | ||
1353 | if (bfd_is_com_section (symbol_in->section)) | |
cedb70c5 KH |
1354 | sym_value = 0; |
1355 | else | |
fbca6ad9 AO |
1356 | sym_value = (symbol_in->value + |
1357 | symbol_in->section->output_section->vma + | |
1358 | symbol_in->section->output_offset); | |
1359 | ||
1360 | switch (r_type) | |
1361 | { | |
1362 | case R_SH_DIR32: | |
1363 | insn = bfd_get_32 (abfd, hit_data); | |
1364 | insn += sym_value + reloc_entry->addend; | |
1365 | bfd_put_32 (abfd, insn, hit_data); | |
1366 | break; | |
1367 | ||
1368 | default: | |
1369 | abort (); | |
1370 | break; | |
1371 | } | |
1372 | ||
1373 | return bfd_reloc_ok; | |
1374 | } | |
1375 | ||
1376 | /* This structure is used to map BFD reloc codes to SH ELF relocs. */ | |
1377 | ||
1378 | struct elf_reloc_map | |
1379 | { | |
1380 | bfd_reloc_code_real_type bfd_reloc_val; | |
1381 | unsigned char elf_reloc_val; | |
1382 | }; | |
1383 | ||
1384 | /* An array mapping BFD reloc codes to SH ELF relocs. */ | |
1385 | ||
1386 | static const struct elf_reloc_map sh64_reloc_map[] = | |
1387 | { | |
1388 | { BFD_RELOC_NONE, R_SH_NONE }, | |
1389 | { BFD_RELOC_32, R_SH_DIR32 }, | |
1390 | { BFD_RELOC_CTOR, R_SH_DIR32 }, | |
1391 | { BFD_RELOC_32_PCREL, R_SH_REL32 }, | |
1392 | { BFD_RELOC_8_PCREL, R_SH_SWITCH8 }, | |
1393 | { BFD_RELOC_SH_SWITCH16, R_SH_SWITCH16 }, | |
1394 | { BFD_RELOC_SH_SWITCH32, R_SH_SWITCH32 }, | |
1395 | { BFD_RELOC_VTABLE_INHERIT, R_SH_GNU_VTINHERIT }, | |
1396 | { BFD_RELOC_VTABLE_ENTRY, R_SH_GNU_VTENTRY }, | |
1397 | { BFD_RELOC_SH_GOT_LOW16, R_SH_GOT_LOW16 }, | |
1398 | { BFD_RELOC_SH_GOT_MEDLOW16, R_SH_GOT_MEDLOW16 }, | |
1399 | { BFD_RELOC_SH_GOT_MEDHI16, R_SH_GOT_MEDHI16 }, | |
1400 | { BFD_RELOC_SH_GOT_HI16, R_SH_GOT_HI16 }, | |
1401 | { BFD_RELOC_SH_GOTPLT_LOW16, R_SH_GOTPLT_LOW16 }, | |
1402 | { BFD_RELOC_SH_GOTPLT_MEDLOW16, R_SH_GOTPLT_MEDLOW16 }, | |
1403 | { BFD_RELOC_SH_GOTPLT_MEDHI16, R_SH_GOTPLT_MEDHI16 }, | |
1404 | { BFD_RELOC_SH_GOTPLT_HI16, R_SH_GOTPLT_HI16 }, | |
1405 | { BFD_RELOC_SH_PLT_LOW16, R_SH_PLT_LOW16 }, | |
1406 | { BFD_RELOC_SH_PLT_MEDLOW16, R_SH_PLT_MEDLOW16 }, | |
1407 | { BFD_RELOC_SH_PLT_MEDHI16, R_SH_PLT_MEDHI16 }, | |
1408 | { BFD_RELOC_SH_PLT_HI16, R_SH_PLT_HI16 }, | |
1409 | { BFD_RELOC_SH_GOTOFF_LOW16, R_SH_GOTOFF_LOW16 }, | |
1410 | { BFD_RELOC_SH_GOTOFF_MEDLOW16, R_SH_GOTOFF_MEDLOW16 }, | |
1411 | { BFD_RELOC_SH_GOTOFF_MEDHI16, R_SH_GOTOFF_MEDHI16 }, | |
1412 | { BFD_RELOC_SH_GOTOFF_HI16, R_SH_GOTOFF_HI16 }, | |
1413 | { BFD_RELOC_SH_GOTPC_LOW16, R_SH_GOTPC_LOW16 }, | |
1414 | { BFD_RELOC_SH_GOTPC_MEDLOW16, R_SH_GOTPC_MEDLOW16 }, | |
1415 | { BFD_RELOC_SH_GOTPC_MEDHI16, R_SH_GOTPC_MEDHI16 }, | |
1416 | { BFD_RELOC_SH_GOTPC_HI16, R_SH_GOTPC_HI16 }, | |
1417 | { BFD_RELOC_SH_COPY64, R_SH_COPY64 }, | |
1418 | { BFD_RELOC_SH_GLOB_DAT64, R_SH_GLOB_DAT64 }, | |
1419 | { BFD_RELOC_SH_JMP_SLOT64, R_SH_JMP_SLOT64 }, | |
1420 | { BFD_RELOC_SH_RELATIVE64, R_SH_RELATIVE64 }, | |
1421 | { BFD_RELOC_SH_GOT10BY4, R_SH_GOT10BY4 }, | |
1422 | { BFD_RELOC_SH_GOT10BY8, R_SH_GOT10BY8 }, | |
1423 | { BFD_RELOC_SH_GOTPLT10BY4, R_SH_GOTPLT10BY4 }, | |
1424 | { BFD_RELOC_SH_GOTPLT10BY8, R_SH_GOTPLT10BY8 }, | |
1425 | { BFD_RELOC_SH_PT_16, R_SH_PT_16 }, | |
1426 | { BFD_RELOC_SH_SHMEDIA_CODE, R_SH_SHMEDIA_CODE }, | |
1427 | { BFD_RELOC_SH_IMMU5, R_SH_DIR5U }, | |
1428 | { BFD_RELOC_SH_IMMS6, R_SH_DIR6S }, | |
1429 | { BFD_RELOC_SH_IMMU6, R_SH_DIR6U }, | |
1430 | { BFD_RELOC_SH_IMMS10, R_SH_DIR10S }, | |
1431 | { BFD_RELOC_SH_IMMS10BY2, R_SH_DIR10SW }, | |
1432 | { BFD_RELOC_SH_IMMS10BY4, R_SH_DIR10SL }, | |
1433 | { BFD_RELOC_SH_IMMS10BY8, R_SH_DIR10SQ }, | |
1434 | { BFD_RELOC_SH_IMMS16, R_SH_IMMS16 }, | |
1435 | { BFD_RELOC_SH_IMMU16, R_SH_IMMU16 }, | |
1436 | { BFD_RELOC_SH_IMM_LOW16, R_SH_IMM_LOW16 }, | |
1437 | { BFD_RELOC_SH_IMM_LOW16_PCREL, R_SH_IMM_LOW16_PCREL }, | |
1438 | { BFD_RELOC_SH_IMM_MEDLOW16, R_SH_IMM_MEDLOW16 }, | |
1439 | { BFD_RELOC_SH_IMM_MEDLOW16_PCREL, R_SH_IMM_MEDLOW16_PCREL }, | |
1440 | { BFD_RELOC_SH_IMM_MEDHI16, R_SH_IMM_MEDHI16 }, | |
1441 | { BFD_RELOC_SH_IMM_MEDHI16_PCREL, R_SH_IMM_MEDHI16_PCREL }, | |
1442 | { BFD_RELOC_SH_IMM_HI16, R_SH_IMM_HI16 }, | |
1443 | { BFD_RELOC_SH_IMM_HI16_PCREL, R_SH_IMM_HI16_PCREL }, | |
1444 | { BFD_RELOC_64, R_SH_64 }, | |
1445 | { BFD_RELOC_64_PCREL, R_SH_64_PCREL }, | |
1446 | }; | |
1447 | ||
1448 | /* Given a BFD reloc code, return the howto structure for the | |
1449 | corresponding SH ELf reloc. */ | |
1450 | ||
1451 | static reloc_howto_type * | |
1452 | sh_elf64_reloc_type_lookup (abfd, code) | |
1453 | bfd *abfd ATTRIBUTE_UNUSED; | |
1454 | bfd_reloc_code_real_type code; | |
1455 | { | |
1456 | unsigned int i; | |
1457 | ||
1458 | for (i = 0; i < sizeof (sh64_reloc_map) / sizeof (struct elf_reloc_map); i++) | |
1459 | { | |
1460 | if (sh64_reloc_map[i].bfd_reloc_val == code) | |
1461 | return &sh_elf64_howto_table[(int) sh64_reloc_map[i].elf_reloc_val]; | |
1462 | } | |
1463 | ||
1464 | return NULL; | |
1465 | } | |
1466 | ||
1467 | /* Given an ELF reloc, fill in the howto field of a relent. | |
1468 | ||
1469 | See sh_elf_info_to_howto in elf32-sh.c for the original. */ | |
1470 | ||
1471 | static void | |
1472 | sh_elf64_info_to_howto (abfd, cache_ptr, dst) | |
1473 | bfd *abfd ATTRIBUTE_UNUSED; | |
1474 | arelent *cache_ptr; | |
1475 | Elf_Internal_Rela *dst; | |
1476 | { | |
1477 | unsigned int r; | |
1478 | ||
1479 | r = ELF64_R_TYPE (dst->r_info); | |
1480 | ||
1481 | BFD_ASSERT (r <= (unsigned int) R_SH_64_PCREL); | |
1482 | BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC || r > R_SH_LAST_INVALID_RELOC); | |
1483 | BFD_ASSERT (r < R_SH_DIR8WPN || r > R_SH_LAST_INVALID_RELOC_2); | |
1484 | BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_3 || r > R_SH_GOTPLT32); | |
1485 | BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_4 || r > R_SH_LAST_INVALID_RELOC_4); | |
1486 | ||
1487 | cache_ptr->howto = &sh_elf64_howto_table[r]; | |
1488 | } | |
1489 | ||
1490 | /* Relocate an SH ELF section. | |
1491 | ||
1492 | See sh_elf_info_to_howto in elf32-sh.c for the original. */ | |
1493 | ||
b34976b6 | 1494 | static bfd_boolean |
fbca6ad9 AO |
1495 | sh_elf64_relocate_section (output_bfd, info, input_bfd, input_section, |
1496 | contents, relocs, local_syms, local_sections) | |
1497 | bfd *output_bfd ATTRIBUTE_UNUSED; | |
1498 | struct bfd_link_info *info; | |
1499 | bfd *input_bfd; | |
1500 | asection *input_section; | |
1501 | bfd_byte *contents; | |
1502 | Elf_Internal_Rela *relocs; | |
1503 | Elf_Internal_Sym *local_syms; | |
1504 | asection **local_sections; | |
1505 | { | |
1506 | Elf_Internal_Shdr *symtab_hdr; | |
1507 | struct elf_link_hash_entry **sym_hashes; | |
1508 | Elf_Internal_Rela *rel, *relend; | |
1509 | bfd *dynobj; | |
1510 | bfd_vma *local_got_offsets; | |
1511 | asection *sgot; | |
1512 | asection *sgotplt; | |
1513 | asection *splt; | |
1514 | asection *sreloc; | |
1515 | bfd_vma disp, dropped; | |
1516 | ||
1517 | symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr; | |
1518 | sym_hashes = elf_sym_hashes (input_bfd); | |
1519 | dynobj = elf_hash_table (info)->dynobj; | |
1520 | local_got_offsets = elf_local_got_offsets (input_bfd); | |
1521 | ||
1522 | sgot = NULL; | |
1523 | sgotplt = NULL; | |
1524 | splt = NULL; | |
1525 | sreloc = NULL; | |
1526 | ||
1527 | rel = relocs; | |
1528 | relend = relocs + input_section->reloc_count; | |
1529 | for (; rel < relend; rel++) | |
1530 | { | |
1531 | int r_type; | |
1532 | reloc_howto_type *howto; | |
1533 | unsigned long r_symndx; | |
1534 | Elf_Internal_Sym *sym; | |
1535 | asection *sec; | |
1536 | struct elf_link_hash_entry *h; | |
1537 | bfd_vma relocation; | |
1538 | bfd_vma addend = (bfd_vma)0; | |
1539 | bfd_reloc_status_type r; | |
1540 | int seen_stt_datalabel = 0; | |
1541 | ||
1542 | r_symndx = ELF64_R_SYM (rel->r_info); | |
1543 | ||
1544 | r_type = ELF64_R_TYPE (rel->r_info); | |
1545 | ||
1546 | if (r_type == (int) R_SH_NONE) | |
1547 | continue; | |
1548 | ||
1549 | if (r_type < 0 | |
1550 | || r_type > R_SH_64_PCREL | |
1551 | || (r_type >= (int) R_SH_FIRST_INVALID_RELOC | |
1552 | && r_type <= (int) R_SH_LAST_INVALID_RELOC) | |
1553 | || (r_type >= (int) R_SH_DIR8WPN | |
1554 | && r_type <= (int) R_SH_LAST_INVALID_RELOC_2) | |
1555 | || (r_type >= (int) R_SH_FIRST_INVALID_RELOC_3 | |
1556 | && r_type <= R_SH_GOTPLT32) | |
1557 | || (r_type >= (int) R_SH_FIRST_INVALID_RELOC_4 | |
1558 | && r_type <= (int) R_SH_LAST_INVALID_RELOC_4)) | |
1559 | { | |
1560 | bfd_set_error (bfd_error_bad_value); | |
b34976b6 | 1561 | return FALSE; |
fbca6ad9 AO |
1562 | } |
1563 | ||
1564 | howto = sh_elf64_howto_table + r_type; | |
1565 | ||
1566 | /* This is a final link. */ | |
1567 | h = NULL; | |
1568 | sym = NULL; | |
1569 | sec = NULL; | |
1570 | if (r_symndx < symtab_hdr->sh_info) | |
1571 | { | |
1572 | sym = local_syms + r_symndx; | |
1573 | sec = local_sections[r_symndx]; | |
1574 | relocation = ((sec->output_section->vma | |
1575 | + sec->output_offset | |
1576 | + sym->st_value) | |
1577 | | ((sym->st_other & STO_SH5_ISA32) != 0)); | |
1578 | ||
1579 | /* A local symbol never has STO_SH5_ISA32, so we don't need | |
1580 | datalabel processing here. Make sure this does not change | |
1581 | without notice. */ | |
1582 | if ((sym->st_other & STO_SH5_ISA32) != 0) | |
1583 | ((*info->callbacks->reloc_dangerous) | |
1584 | (info, | |
1585 | _("Unexpected STO_SH5_ISA32 on local symbol is not handled"), | |
1586 | input_bfd, input_section, rel->r_offset)); | |
1587 | ||
1588 | if (info->relocateable) | |
1589 | { | |
1590 | /* This is a relocateable link. We don't have to change | |
1591 | anything, unless the reloc is against a section symbol, | |
1592 | in which case we have to adjust according to where the | |
1593 | section symbol winds up in the output section. */ | |
1594 | sym = local_syms + r_symndx; | |
1595 | if (ELF_ST_TYPE (sym->st_info) == STT_SECTION) | |
1596 | goto final_link_relocate; | |
1597 | ||
1598 | continue; | |
1599 | } | |
a0087177 JW |
1600 | else if (! howto->partial_inplace) |
1601 | { | |
1602 | relocation = _bfd_elf_rela_local_sym (output_bfd, sym, sec, rel); | |
1603 | relocation |= ((sym->st_other & STO_SH5_ISA32) != 0); | |
1604 | } | |
1605 | else if ((sec->flags & SEC_MERGE) | |
1606 | && ELF_ST_TYPE (sym->st_info) == STT_SECTION) | |
1607 | { | |
1608 | asection *msec; | |
1609 | ||
1610 | if (howto->rightshift || howto->src_mask != 0xffffffff) | |
1611 | { | |
1612 | (*_bfd_error_handler) | |
1613 | (_("%s(%s+0x%lx): %s relocation against SEC_MERGE section"), | |
1614 | bfd_archive_filename (input_bfd), | |
1615 | bfd_get_section_name (input_bfd, input_section), | |
1616 | (long) rel->r_offset, howto->name); | |
b34976b6 | 1617 | return FALSE; |
a0087177 JW |
1618 | } |
1619 | ||
1620 | addend = bfd_get_32 (input_bfd, contents + rel->r_offset); | |
1621 | msec = sec; | |
1622 | addend = | |
1623 | _bfd_elf_rel_local_sym (output_bfd, sym, &msec, addend) | |
1624 | - relocation; | |
1625 | addend += msec->output_section->vma + msec->output_offset; | |
1626 | bfd_put_32 (input_bfd, addend, contents + rel->r_offset); | |
1627 | addend = 0; | |
1628 | } | |
fbca6ad9 AO |
1629 | } |
1630 | else | |
1631 | { | |
1632 | /* Section symbols are never (?) placed in the hash table, so | |
1633 | we can just ignore hash relocations when creating a | |
1634 | relocateable object file. */ | |
1635 | if (info->relocateable) | |
1636 | continue; | |
1637 | ||
1638 | h = sym_hashes[r_symndx - symtab_hdr->sh_info]; | |
1639 | while (h->root.type == bfd_link_hash_indirect | |
1640 | || h->root.type == bfd_link_hash_warning) | |
1641 | { | |
1642 | /* If the reference passes a symbol marked with | |
1643 | STT_DATALABEL, then any STO_SH5_ISA32 on the final value | |
1644 | doesn't count. */ | |
1645 | seen_stt_datalabel |= h->type == STT_DATALABEL; | |
1646 | h = (struct elf_link_hash_entry *) h->root.u.i.link; | |
1647 | } | |
1648 | ||
1649 | if (h->root.type == bfd_link_hash_defined | |
1650 | || h->root.type == bfd_link_hash_defweak) | |
1651 | { | |
1652 | sec = h->root.u.def.section; | |
1653 | /* In these cases, we don't need the relocation value. | |
1654 | We check specially because in some obscure cases | |
cedb70c5 | 1655 | sec->output_section will be NULL. */ |
fbca6ad9 AO |
1656 | if (r_type == R_SH_GOTPC_LOW16 |
1657 | || r_type == R_SH_GOTPC_MEDLOW16 | |
1658 | || r_type == R_SH_GOTPC_MEDHI16 | |
1659 | || r_type == R_SH_GOTPC_HI16 | |
1660 | || ((r_type == R_SH_PLT_LOW16 | |
1661 | || r_type == R_SH_PLT_MEDLOW16 | |
1662 | || r_type == R_SH_PLT_MEDHI16 | |
1663 | || r_type == R_SH_PLT_HI16) | |
1664 | && h->plt.offset != (bfd_vma) -1) | |
1665 | || ((r_type == R_SH_GOT_LOW16 | |
1666 | || r_type == R_SH_GOT_MEDLOW16 | |
1667 | || r_type == R_SH_GOT_MEDHI16 | |
1668 | || r_type == R_SH_GOT_HI16) | |
1669 | && elf_hash_table (info)->dynamic_sections_created | |
1670 | && (! info->shared | |
1671 | || (! info->symbolic && h->dynindx != -1) | |
1672 | || (h->elf_link_hash_flags | |
1673 | & ELF_LINK_HASH_DEF_REGULAR) == 0)) | |
1674 | /* The cases above are those in which relocation is | |
1675 | overwritten in the switch block below. The cases | |
1676 | below are those in which we must defer relocation | |
1677 | to run-time, because we can't resolve absolute | |
1678 | addresses when creating a shared library. */ | |
1679 | || (info->shared | |
1680 | && ((! info->symbolic && h->dynindx != -1) | |
1681 | || (h->elf_link_hash_flags | |
1682 | & ELF_LINK_HASH_DEF_REGULAR) == 0) | |
1683 | && ((r_type == R_SH_64 | |
1684 | && !(ELF_ST_VISIBILITY (h->other) == STV_INTERNAL | |
1685 | || ELF_ST_VISIBILITY (h->other) == STV_HIDDEN)) | |
1686 | || r_type == R_SH_64_PCREL) | |
1687 | && ((input_section->flags & SEC_ALLOC) != 0 | |
1688 | /* DWARF will emit R_SH_DIR32 relocations in its | |
1689 | sections against symbols defined externally | |
1690 | in shared libraries. We can't do anything | |
1691 | with them here. */ | |
1448fa32 KK |
1692 | || (input_section->flags & SEC_DEBUGGING) != 0)) |
1693 | /* Dynamic relocs are not propagated for SEC_DEBUGGING | |
1694 | sections because such sections are not SEC_ALLOC and | |
1695 | thus ld.so will not process them. */ | |
1696 | || (sec->output_section == NULL | |
1697 | && ((input_section->flags & SEC_DEBUGGING) != 0 | |
1698 | && (h->elf_link_hash_flags | |
1699 | & ELF_LINK_HASH_DEF_DYNAMIC) != 0))) | |
fbca6ad9 AO |
1700 | relocation = 0; |
1701 | else if (sec->output_section == NULL) | |
1702 | { | |
1703 | (*_bfd_error_handler) | |
1704 | (_("%s: warning: unresolvable relocation against symbol `%s' from %s section"), | |
1705 | bfd_get_filename (input_bfd), h->root.root.string, | |
1706 | bfd_get_section_name (input_bfd, input_section)); | |
1707 | relocation = 0; | |
1708 | } | |
1709 | else | |
1710 | relocation = ((h->root.u.def.value | |
1711 | + sec->output_section->vma | |
1712 | + sec->output_offset) | |
1713 | /* A STO_SH5_ISA32 causes a "bitor 1" to the | |
1714 | symbol value, unless we've seen | |
1715 | STT_DATALABEL on the way to it. */ | |
1716 | | ((h->other & STO_SH5_ISA32) != 0 | |
1717 | && ! seen_stt_datalabel)); | |
1718 | } | |
1719 | else if (h->root.type == bfd_link_hash_undefweak) | |
1720 | relocation = 0; | |
1721 | else if (info->shared && !info->symbolic && !info->no_undefined) | |
1722 | relocation = 0; | |
1723 | else | |
1724 | { | |
1725 | if (! ((*info->callbacks->undefined_symbol) | |
1726 | (info, h->root.root.string, input_bfd, | |
b34976b6 AM |
1727 | input_section, rel->r_offset, TRUE))) |
1728 | return FALSE; | |
fbca6ad9 AO |
1729 | relocation = 0; |
1730 | } | |
1731 | } | |
1732 | ||
1733 | disp = (relocation | |
1734 | - input_section->output_section->vma | |
1735 | - input_section->output_offset | |
1736 | - rel->r_offset); | |
1737 | dropped = 0; | |
1738 | switch ((int)r_type) | |
1739 | { | |
1740 | case R_SH_PT_16: dropped = disp & 2; break; | |
1741 | case R_SH_DIR10SW: dropped = disp & 1; break; | |
1742 | case R_SH_DIR10SL: dropped = disp & 3; break; | |
1743 | case R_SH_DIR10SQ: dropped = disp & 7; break; | |
1744 | } | |
1745 | if (dropped != 0) | |
1746 | { | |
1747 | (*_bfd_error_handler) | |
1748 | (_("%s: error: unaligned relocation type %d at %08x reloc %08x\n"), | |
1749 | bfd_get_filename (input_bfd), (int)r_type, (unsigned)rel->r_offset, (unsigned)relocation); | |
1750 | bfd_set_error (bfd_error_bad_value); | |
b34976b6 | 1751 | return FALSE; |
fbca6ad9 AO |
1752 | } |
1753 | switch ((int)r_type) | |
1754 | { | |
1755 | case R_SH_64: | |
1756 | case R_SH_64_PCREL: | |
1757 | if (info->shared | |
1758 | && (input_section->flags & SEC_ALLOC) != 0 | |
1759 | && (r_type != R_SH_64_PCREL | |
1760 | || (h != NULL | |
1761 | && h->dynindx != -1 | |
1762 | && (! info->symbolic | |
1763 | || (h->elf_link_hash_flags | |
1764 | & ELF_LINK_HASH_DEF_REGULAR) == 0)))) | |
1765 | { | |
1766 | Elf_Internal_Rela outrel; | |
947216bf | 1767 | bfd_byte *loc; |
b34976b6 | 1768 | bfd_boolean skip, relocate; |
fbca6ad9 AO |
1769 | |
1770 | /* When generating a shared object, these relocations | |
1771 | are copied into the output file to be resolved at run | |
1772 | time. */ | |
1773 | ||
1774 | if (sreloc == NULL) | |
1775 | { | |
1776 | const char *name; | |
1777 | ||
1778 | name = (bfd_elf_string_from_elf_section | |
1779 | (input_bfd, | |
1780 | elf_elfheader (input_bfd)->e_shstrndx, | |
1781 | elf_section_data (input_section)->rel_hdr.sh_name)); | |
1782 | if (name == NULL) | |
b34976b6 | 1783 | return FALSE; |
fbca6ad9 AO |
1784 | |
1785 | BFD_ASSERT (strncmp (name, ".rela", 5) == 0 | |
1786 | && strcmp (bfd_get_section_name (input_bfd, | |
1787 | input_section), | |
1788 | name + 5) == 0); | |
1789 | ||
1790 | sreloc = bfd_get_section_by_name (dynobj, name); | |
1791 | BFD_ASSERT (sreloc != NULL); | |
1792 | } | |
1793 | ||
b34976b6 AM |
1794 | skip = FALSE; |
1795 | relocate = FALSE; | |
fbca6ad9 AO |
1796 | |
1797 | outrel.r_offset | |
518313c3 AO |
1798 | = _bfd_elf_section_offset (output_bfd, info, |
1799 | input_section, rel->r_offset); | |
fbca6ad9 AO |
1800 | |
1801 | if (outrel.r_offset == (bfd_vma) -1) | |
b34976b6 | 1802 | skip = TRUE; |
0fb19cbc | 1803 | else if (outrel.r_offset == (bfd_vma) -2) |
b34976b6 | 1804 | skip = TRUE, relocate = TRUE; |
cedb70c5 | 1805 | |
fbca6ad9 AO |
1806 | outrel.r_offset += (input_section->output_section->vma |
1807 | + input_section->output_offset); | |
1808 | ||
1809 | if (skip) | |
0bb2d96a | 1810 | memset (&outrel, 0, sizeof outrel); |
fbca6ad9 AO |
1811 | else if (r_type == R_SH_64_PCREL) |
1812 | { | |
1813 | BFD_ASSERT (h != NULL && h->dynindx != -1); | |
fbca6ad9 AO |
1814 | outrel.r_info = ELF64_R_INFO (h->dynindx, R_SH_64_PCREL); |
1815 | outrel.r_addend = rel->r_addend; | |
1816 | } | |
1817 | else | |
1818 | { | |
1819 | /* h->dynindx may be -1 if this symbol was marked to | |
1820 | become local. */ | |
1821 | if (h == NULL | |
1822 | || ((info->symbolic || h->dynindx == -1) | |
1823 | && (h->elf_link_hash_flags | |
1824 | & ELF_LINK_HASH_DEF_REGULAR) != 0)) | |
1825 | { | |
b34976b6 | 1826 | relocate = TRUE; |
fbca6ad9 AO |
1827 | outrel.r_info = ELF64_R_INFO (0, R_SH_RELATIVE64); |
1828 | outrel.r_addend = relocation + rel->r_addend; | |
1829 | } | |
1830 | else | |
1831 | { | |
1832 | BFD_ASSERT (h->dynindx != -1); | |
fbca6ad9 AO |
1833 | outrel.r_info = ELF64_R_INFO (h->dynindx, R_SH_64); |
1834 | outrel.r_addend = relocation + rel->r_addend; | |
1835 | } | |
1836 | } | |
1837 | ||
947216bf AM |
1838 | loc = sreloc->contents; |
1839 | loc += sreloc->reloc_count++ * sizeof (Elf64_External_Rela); | |
1840 | bfd_elf64_swap_reloca_out (output_bfd, &outrel, loc); | |
fbca6ad9 AO |
1841 | |
1842 | /* If this reloc is against an external symbol, we do | |
1843 | not want to fiddle with the addend. Otherwise, we | |
1844 | need to include the symbol value so that it becomes | |
1845 | an addend for the dynamic reloc. */ | |
1846 | if (! relocate) | |
1847 | continue; | |
1848 | } | |
1849 | else if (r_type == R_SH_64) | |
1850 | addend = rel->r_addend; | |
1851 | goto final_link_relocate; | |
1852 | ||
1853 | case R_SH_GOTPLT_LOW16: | |
1854 | case R_SH_GOTPLT_MEDLOW16: | |
1855 | case R_SH_GOTPLT_MEDHI16: | |
1856 | case R_SH_GOTPLT_HI16: | |
1857 | case R_SH_GOTPLT10BY4: | |
1858 | case R_SH_GOTPLT10BY8: | |
1859 | /* Relocation is to the entry for this symbol in the | |
1860 | procedure linkage table. */ | |
1861 | ||
1862 | if (h == NULL | |
1863 | || ELF_ST_VISIBILITY (h->other) == STV_INTERNAL | |
1864 | || ELF_ST_VISIBILITY (h->other) == STV_HIDDEN | |
1865 | || ! info->shared | |
1866 | || info->symbolic | |
1867 | || h->dynindx == -1 | |
1868 | || h->plt.offset == (bfd_vma) -1 | |
1869 | || h->got.offset != (bfd_vma) -1) | |
1870 | goto force_got; | |
1871 | ||
1872 | /* Relocation is to the entry for this symbol in the global | |
1873 | offset table extension for the procedure linkage table. */ | |
1874 | if (sgotplt == NULL) | |
1875 | { | |
1876 | sgotplt = bfd_get_section_by_name (dynobj, ".got.plt"); | |
1877 | BFD_ASSERT (sgotplt != NULL); | |
1878 | } | |
1879 | ||
1880 | relocation = (sgotplt->output_offset | |
1881 | + ((h->plt.offset / elf_sh64_sizeof_plt (info) | |
1882 | - 1 + 3) * 8)); | |
1883 | ||
1884 | relocation -= GOT_BIAS; | |
1885 | ||
1886 | goto final_link_relocate; | |
1887 | ||
1888 | force_got: | |
1889 | case R_SH_GOT_LOW16: | |
1890 | case R_SH_GOT_MEDLOW16: | |
1891 | case R_SH_GOT_MEDHI16: | |
1892 | case R_SH_GOT_HI16: | |
1893 | case R_SH_GOT10BY4: | |
1894 | case R_SH_GOT10BY8: | |
1895 | /* Relocation is to the entry for this symbol in the global | |
1896 | offset table. */ | |
1897 | if (sgot == NULL) | |
1898 | { | |
1899 | sgot = bfd_get_section_by_name (dynobj, ".got"); | |
1900 | BFD_ASSERT (sgot != NULL); | |
1901 | } | |
1902 | ||
1903 | if (h != NULL) | |
1904 | { | |
1905 | bfd_vma off; | |
1906 | ||
1907 | off = h->got.offset; | |
1908 | if (seen_stt_datalabel) | |
1909 | { | |
1910 | struct elf_sh64_link_hash_entry *hsh; | |
1911 | ||
1912 | hsh = (struct elf_sh64_link_hash_entry *)h; | |
1913 | off = hsh->datalabel_got_offset; | |
1914 | } | |
1915 | BFD_ASSERT (off != (bfd_vma) -1); | |
1916 | ||
1917 | if (! elf_hash_table (info)->dynamic_sections_created | |
1918 | || (info->shared | |
1919 | && (info->symbolic || h->dynindx == -1 | |
1920 | || ELF_ST_VISIBILITY (h->other) == STV_INTERNAL | |
1921 | || ELF_ST_VISIBILITY (h->other) == STV_HIDDEN) | |
1922 | && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR))) | |
1923 | { | |
1924 | /* This is actually a static link, or it is a | |
1925 | -Bsymbolic link and the symbol is defined | |
1926 | locally, or the symbol was forced to be local | |
1927 | because of a version file. We must initialize | |
1928 | this entry in the global offset table. Since the | |
1929 | offset must always be a multiple of 4, we use the | |
1930 | least significant bit to record whether we have | |
1931 | initialized it already. | |
1932 | ||
1933 | When doing a dynamic link, we create a .rela.got | |
1934 | relocation entry to initialize the value. This | |
1935 | is done in the finish_dynamic_symbol routine. */ | |
1936 | if ((off & 1) != 0) | |
1937 | off &= ~1; | |
1938 | else | |
1939 | { | |
1940 | bfd_put_64 (output_bfd, relocation, | |
1941 | sgot->contents + off); | |
1942 | if (seen_stt_datalabel) | |
1943 | { | |
1944 | struct elf_sh64_link_hash_entry *hsh; | |
1945 | ||
1946 | hsh = (struct elf_sh64_link_hash_entry *)h; | |
1947 | hsh->datalabel_got_offset |= 1; | |
1948 | } | |
1949 | else | |
1950 | h->got.offset |= 1; | |
1951 | } | |
1952 | } | |
1953 | ||
1954 | relocation = sgot->output_offset + off; | |
1955 | } | |
1956 | else | |
1957 | { | |
1958 | bfd_vma off; | |
1959 | ||
1960 | if (rel->r_addend) | |
1961 | { | |
1962 | BFD_ASSERT (local_got_offsets != NULL | |
1963 | && (local_got_offsets[symtab_hdr->sh_info | |
1964 | + r_symndx] | |
1965 | != (bfd_vma) -1)); | |
1966 | ||
1967 | off = local_got_offsets[symtab_hdr->sh_info | |
1968 | + r_symndx]; | |
1969 | } | |
1970 | else | |
1971 | { | |
1972 | BFD_ASSERT (local_got_offsets != NULL | |
1973 | && local_got_offsets[r_symndx] != (bfd_vma) -1); | |
1974 | ||
1975 | off = local_got_offsets[r_symndx]; | |
1976 | } | |
1977 | ||
1978 | /* The offset must always be a multiple of 8. We use | |
1979 | the least significant bit to record whether we have | |
1980 | already generated the necessary reloc. */ | |
1981 | if ((off & 1) != 0) | |
1982 | off &= ~1; | |
1983 | else | |
1984 | { | |
1985 | bfd_put_64 (output_bfd, relocation, sgot->contents + off); | |
1986 | ||
1987 | if (info->shared) | |
1988 | { | |
947216bf | 1989 | asection *s; |
fbca6ad9 | 1990 | Elf_Internal_Rela outrel; |
947216bf | 1991 | bfd_byte *loc; |
fbca6ad9 | 1992 | |
947216bf AM |
1993 | s = bfd_get_section_by_name (dynobj, ".rela.got"); |
1994 | BFD_ASSERT (s != NULL); | |
fbca6ad9 AO |
1995 | |
1996 | outrel.r_offset = (sgot->output_section->vma | |
1997 | + sgot->output_offset | |
1998 | + off); | |
1999 | outrel.r_info = ELF64_R_INFO (0, R_SH_RELATIVE64); | |
2000 | outrel.r_addend = relocation; | |
947216bf AM |
2001 | loc = s->contents; |
2002 | loc += s->reloc_count++ * sizeof (Elf64_External_Rela); | |
2003 | bfd_elf64_swap_reloca_out (output_bfd, &outrel, loc); | |
fbca6ad9 AO |
2004 | } |
2005 | ||
2006 | if (rel->r_addend) | |
2007 | local_got_offsets[symtab_hdr->sh_info + r_symndx] |= 1; | |
2008 | else | |
2009 | local_got_offsets[r_symndx] |= 1; | |
2010 | } | |
2011 | ||
2012 | relocation = sgot->output_offset + off; | |
2013 | } | |
2014 | ||
2015 | relocation -= GOT_BIAS; | |
2016 | ||
2017 | goto final_link_relocate; | |
2018 | ||
2019 | case R_SH_GOTOFF_LOW16: | |
2020 | case R_SH_GOTOFF_MEDLOW16: | |
2021 | case R_SH_GOTOFF_MEDHI16: | |
2022 | case R_SH_GOTOFF_HI16: | |
2023 | /* Relocation is relative to the start of the global offset | |
2024 | table. */ | |
2025 | ||
2026 | if (sgot == NULL) | |
2027 | { | |
2028 | sgot = bfd_get_section_by_name (dynobj, ".got"); | |
2029 | BFD_ASSERT (sgot != NULL); | |
2030 | } | |
2031 | ||
2032 | /* Note that sgot->output_offset is not involved in this | |
2033 | calculation. We always want the start of .got. If we | |
2034 | defined _GLOBAL_OFFSET_TABLE in a different way, as is | |
2035 | permitted by the ABI, we might have to change this | |
2036 | calculation. */ | |
2037 | relocation -= sgot->output_section->vma; | |
2038 | ||
2039 | relocation -= GOT_BIAS; | |
2040 | ||
2041 | addend = rel->r_addend; | |
2042 | ||
2043 | goto final_link_relocate; | |
2044 | ||
2045 | case R_SH_GOTPC_LOW16: | |
2046 | case R_SH_GOTPC_MEDLOW16: | |
2047 | case R_SH_GOTPC_MEDHI16: | |
2048 | case R_SH_GOTPC_HI16: | |
2049 | /* Use global offset table as symbol value. */ | |
2050 | ||
2051 | if (sgot == NULL) | |
2052 | { | |
2053 | sgot = bfd_get_section_by_name (dynobj, ".got"); | |
2054 | BFD_ASSERT (sgot != NULL); | |
2055 | } | |
2056 | ||
2057 | relocation = sgot->output_section->vma; | |
2058 | ||
2059 | relocation += GOT_BIAS; | |
2060 | ||
2061 | addend = rel->r_addend; | |
2062 | ||
2063 | goto final_link_relocate; | |
2064 | ||
2065 | case R_SH_PLT_LOW16: | |
2066 | case R_SH_PLT_MEDLOW16: | |
2067 | case R_SH_PLT_MEDHI16: | |
2068 | case R_SH_PLT_HI16: | |
2069 | /* Relocation is to the entry for this symbol in the | |
2070 | procedure linkage table. */ | |
2071 | ||
2072 | /* Resolve a PLT reloc against a local symbol directly, | |
2073 | without using the procedure linkage table. */ | |
2074 | if (h == NULL) | |
2075 | goto final_link_relocate; | |
2076 | ||
2077 | if (ELF_ST_VISIBILITY (h->other) == STV_INTERNAL | |
2078 | || ELF_ST_VISIBILITY (h->other) == STV_HIDDEN) | |
2079 | goto final_link_relocate; | |
2080 | ||
2081 | if (h->plt.offset == (bfd_vma) -1) | |
2082 | { | |
2083 | /* We didn't make a PLT entry for this symbol. This | |
2084 | happens when statically linking PIC code, or when | |
2085 | using -Bsymbolic. */ | |
2086 | goto final_link_relocate; | |
2087 | } | |
2088 | ||
2089 | if (splt == NULL) | |
2090 | { | |
2091 | splt = bfd_get_section_by_name (dynobj, ".plt"); | |
2092 | BFD_ASSERT (splt != NULL); | |
2093 | } | |
2094 | ||
2095 | relocation = (splt->output_section->vma | |
2096 | + splt->output_offset | |
2097 | + h->plt.offset); | |
2098 | relocation++; | |
2099 | ||
2100 | addend = rel->r_addend; | |
2101 | ||
2102 | goto final_link_relocate; | |
2103 | ||
2104 | case R_SH_DIR32: | |
2105 | case R_SH_SHMEDIA_CODE: | |
2106 | case R_SH_PT_16: | |
2107 | case R_SH_DIR5U: | |
2108 | case R_SH_DIR6S: | |
2109 | case R_SH_DIR6U: | |
2110 | case R_SH_DIR10S: | |
2111 | case R_SH_DIR10SW: | |
2112 | case R_SH_DIR10SL: | |
2113 | case R_SH_DIR10SQ: | |
2114 | case R_SH_IMMS16: | |
2115 | case R_SH_IMMU16: | |
2116 | case R_SH_IMM_LOW16: | |
2117 | case R_SH_IMM_LOW16_PCREL: | |
2118 | case R_SH_IMM_MEDLOW16: | |
2119 | case R_SH_IMM_MEDLOW16_PCREL: | |
2120 | case R_SH_IMM_MEDHI16: | |
2121 | case R_SH_IMM_MEDHI16_PCREL: | |
2122 | case R_SH_IMM_HI16: | |
2123 | case R_SH_IMM_HI16_PCREL: | |
2124 | addend = rel->r_addend; | |
2125 | /* Fall through. */ | |
2126 | case R_SH_REL32: | |
2127 | final_link_relocate: | |
2128 | r = _bfd_final_link_relocate (howto, input_bfd, input_section, | |
2129 | contents, rel->r_offset, | |
2130 | relocation, addend); | |
2131 | break; | |
2132 | ||
2133 | default: | |
2134 | bfd_set_error (bfd_error_bad_value); | |
b34976b6 | 2135 | return FALSE; |
fbca6ad9 AO |
2136 | |
2137 | } | |
2138 | ||
2139 | if (r != bfd_reloc_ok) | |
2140 | { | |
2141 | switch (r) | |
2142 | { | |
2143 | default: | |
2144 | case bfd_reloc_outofrange: | |
2145 | abort (); | |
2146 | case bfd_reloc_overflow: | |
2147 | { | |
2148 | const char *name; | |
2149 | ||
2150 | if (h != NULL) | |
2151 | name = h->root.root.string; | |
2152 | else | |
2153 | { | |
2154 | name = (bfd_elf_string_from_elf_section | |
2155 | (input_bfd, symtab_hdr->sh_link, sym->st_name)); | |
2156 | if (name == NULL) | |
b34976b6 | 2157 | return FALSE; |
fbca6ad9 AO |
2158 | if (*name == '\0') |
2159 | name = bfd_section_name (input_bfd, sec); | |
2160 | } | |
2161 | if (! ((*info->callbacks->reloc_overflow) | |
2162 | (info, name, howto->name, (bfd_vma) 0, | |
2163 | input_bfd, input_section, rel->r_offset))) | |
b34976b6 | 2164 | return FALSE; |
fbca6ad9 AO |
2165 | } |
2166 | break; | |
2167 | } | |
2168 | } | |
2169 | } | |
2170 | ||
b34976b6 | 2171 | return TRUE; |
fbca6ad9 AO |
2172 | } |
2173 | ||
2174 | /* This is a version of bfd_generic_get_relocated_section_contents | |
2175 | that uses sh_elf64_relocate_section. | |
2176 | ||
2177 | See sh_elf_relocate_section in elf32-sh.c for the original. */ | |
2178 | ||
2179 | static bfd_byte * | |
2180 | sh_elf64_get_relocated_section_contents (output_bfd, link_info, link_order, | |
2181 | data, relocateable, symbols) | |
2182 | bfd *output_bfd; | |
2183 | struct bfd_link_info *link_info; | |
2184 | struct bfd_link_order *link_order; | |
2185 | bfd_byte *data; | |
b34976b6 | 2186 | bfd_boolean relocateable; |
fbca6ad9 AO |
2187 | asymbol **symbols; |
2188 | { | |
2189 | Elf_Internal_Shdr *symtab_hdr; | |
fbca6ad9 AO |
2190 | asection *input_section = link_order->u.indirect.section; |
2191 | bfd *input_bfd = input_section->owner; | |
2192 | asection **sections = NULL; | |
2193 | Elf_Internal_Rela *internal_relocs = NULL; | |
6cdc0ccc | 2194 | Elf_Internal_Sym *isymbuf = NULL; |
fbca6ad9 AO |
2195 | |
2196 | /* We only need to handle the case of relaxing, or of having a | |
2197 | particular set of section contents, specially. */ | |
2198 | if (relocateable | |
2199 | || elf_section_data (input_section)->this_hdr.contents == NULL) | |
2200 | return bfd_generic_get_relocated_section_contents (output_bfd, link_info, | |
2201 | link_order, data, | |
2202 | relocateable, | |
2203 | symbols); | |
2204 | ||
2205 | symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr; | |
fbca6ad9 AO |
2206 | |
2207 | memcpy (data, elf_section_data (input_section)->this_hdr.contents, | |
2208 | input_section->_raw_size); | |
2209 | ||
2210 | if ((input_section->flags & SEC_RELOC) != 0 | |
2211 | && input_section->reloc_count > 0) | |
2212 | { | |
2213 | Elf_Internal_Sym *isymp; | |
6cdc0ccc | 2214 | Elf_Internal_Sym *isymend; |
fbca6ad9 | 2215 | asection **secpp; |
fbca6ad9 | 2216 | |
6cdc0ccc AM |
2217 | /* Read this BFD's local symbols. */ |
2218 | if (symtab_hdr->sh_info != 0) | |
fbca6ad9 | 2219 | { |
6cdc0ccc AM |
2220 | isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents; |
2221 | if (isymbuf == NULL) | |
2222 | isymbuf = bfd_elf_get_elf_syms (input_bfd, symtab_hdr, | |
2223 | symtab_hdr->sh_info, 0, | |
2224 | NULL, NULL, NULL); | |
2225 | if (isymbuf == NULL) | |
fbca6ad9 AO |
2226 | goto error_return; |
2227 | } | |
2228 | ||
45d6a902 | 2229 | internal_relocs = (_bfd_elf_link_read_relocs |
fbca6ad9 | 2230 | (input_bfd, input_section, (PTR) NULL, |
b34976b6 | 2231 | (Elf_Internal_Rela *) NULL, FALSE)); |
fbca6ad9 AO |
2232 | if (internal_relocs == NULL) |
2233 | goto error_return; | |
2234 | ||
fbca6ad9 AO |
2235 | sections = (asection **) bfd_malloc (symtab_hdr->sh_info |
2236 | * sizeof (asection *)); | |
2237 | if (sections == NULL && symtab_hdr->sh_info > 0) | |
2238 | goto error_return; | |
2239 | ||
fbca6ad9 | 2240 | secpp = sections; |
6cdc0ccc AM |
2241 | isymend = isymbuf + symtab_hdr->sh_info; |
2242 | for (isymp = isymbuf; isymp < isymend; ++isymp, ++secpp) | |
fbca6ad9 AO |
2243 | { |
2244 | asection *isec; | |
2245 | ||
fbca6ad9 AO |
2246 | if (isymp->st_shndx == SHN_UNDEF) |
2247 | isec = bfd_und_section_ptr; | |
2248 | else if (isymp->st_shndx > 0 && isymp->st_shndx < SHN_LORESERVE) | |
2249 | isec = bfd_section_from_elf_index (input_bfd, isymp->st_shndx); | |
2250 | else if (isymp->st_shndx == SHN_ABS) | |
2251 | isec = bfd_abs_section_ptr; | |
2252 | else if (isymp->st_shndx == SHN_COMMON) | |
2253 | isec = bfd_com_section_ptr; | |
2254 | else | |
2255 | { | |
2256 | /* Who knows? */ | |
2257 | isec = NULL; | |
2258 | } | |
2259 | ||
2260 | *secpp = isec; | |
2261 | } | |
2262 | ||
2263 | if (! sh_elf64_relocate_section (output_bfd, link_info, input_bfd, | |
2264 | input_section, data, internal_relocs, | |
6cdc0ccc | 2265 | isymbuf, sections)) |
fbca6ad9 AO |
2266 | goto error_return; |
2267 | ||
2268 | if (sections != NULL) | |
2269 | free (sections); | |
fbca6ad9 AO |
2270 | if (internal_relocs != elf_section_data (input_section)->relocs) |
2271 | free (internal_relocs); | |
6cdc0ccc AM |
2272 | if (isymbuf != NULL |
2273 | && (unsigned char *) isymbuf != symtab_hdr->contents) | |
2274 | free (isymbuf); | |
fbca6ad9 AO |
2275 | } |
2276 | ||
2277 | return data; | |
2278 | ||
2279 | error_return: | |
6cdc0ccc AM |
2280 | if (sections != NULL) |
2281 | free (sections); | |
fbca6ad9 AO |
2282 | if (internal_relocs != NULL |
2283 | && internal_relocs != elf_section_data (input_section)->relocs) | |
2284 | free (internal_relocs); | |
6cdc0ccc AM |
2285 | if (isymbuf != NULL |
2286 | && (unsigned char *) isymbuf != symtab_hdr->contents) | |
2287 | free (isymbuf); | |
fbca6ad9 AO |
2288 | return NULL; |
2289 | } | |
2290 | ||
2291 | /* Set the SHF_SH5_ISA32 flag for ISA SHmedia code sections. */ | |
2292 | ||
b34976b6 | 2293 | bfd_boolean |
fbca6ad9 AO |
2294 | sh64_elf64_fake_sections (output_bfd, elf_section_hdr, asect) |
2295 | bfd *output_bfd ATTRIBUTE_UNUSED; | |
2296 | Elf_Internal_Shdr *elf_section_hdr; | |
2297 | asection *asect; | |
2298 | { | |
2299 | /* Code sections can only contain SH64 code, so mark them as such. */ | |
2300 | if (bfd_get_section_flags (output_bfd, asect) & SEC_CODE) | |
2301 | elf_section_hdr->sh_flags |= SHF_SH5_ISA32; | |
2302 | ||
b34976b6 | 2303 | return TRUE; |
fbca6ad9 AO |
2304 | } |
2305 | ||
b34976b6 | 2306 | static bfd_boolean |
fbca6ad9 AO |
2307 | sh_elf64_set_mach_from_flags (abfd) |
2308 | bfd *abfd; | |
2309 | { | |
2310 | flagword flags = elf_elfheader (abfd)->e_flags; | |
2311 | ||
2312 | switch (flags & EF_SH_MACH_MASK) | |
2313 | { | |
2314 | case EF_SH5: | |
2315 | /* Just one, but keep the switch construct to make additions easy. */ | |
2316 | bfd_default_set_arch_mach (abfd, bfd_arch_sh, bfd_mach_sh5); | |
2317 | break; | |
2318 | ||
2319 | default: | |
2320 | bfd_set_error (bfd_error_wrong_format); | |
b34976b6 | 2321 | return FALSE; |
fbca6ad9 | 2322 | } |
b34976b6 | 2323 | return TRUE; |
fbca6ad9 AO |
2324 | } |
2325 | ||
2326 | /* Function to keep SH64 specific file flags. | |
2327 | ||
2328 | See sh64_elf_set_private_flags in elf32-sh64.c for the original. */ | |
2329 | ||
b34976b6 | 2330 | static bfd_boolean |
fbca6ad9 AO |
2331 | sh_elf64_set_private_flags (abfd, flags) |
2332 | bfd * abfd; | |
2333 | flagword flags; | |
2334 | { | |
2335 | BFD_ASSERT (! elf_flags_init (abfd) | |
2336 | || elf_elfheader (abfd)->e_flags == flags); | |
2337 | ||
2338 | elf_elfheader (abfd)->e_flags = flags; | |
b34976b6 | 2339 | elf_flags_init (abfd) = TRUE; |
fbca6ad9 AO |
2340 | return sh_elf64_set_mach_from_flags (abfd); |
2341 | } | |
2342 | ||
2343 | /* Copy the SHF_SH5_ISA32 attribute that we keep on all sections with | |
2344 | code, to keep attributes the same as for SHmedia in 32-bit ELF. */ | |
2345 | ||
b34976b6 | 2346 | static bfd_boolean |
fbca6ad9 AO |
2347 | sh_elf64_copy_private_data_internal (ibfd, obfd) |
2348 | bfd * ibfd; | |
2349 | bfd * obfd; | |
2350 | { | |
2351 | Elf_Internal_Shdr **o_shdrp; | |
2352 | asection *isec; | |
2353 | asection *osec; | |
2354 | ||
2355 | if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour | |
2356 | || bfd_get_flavour (obfd) != bfd_target_elf_flavour) | |
b34976b6 | 2357 | return TRUE; |
fbca6ad9 AO |
2358 | |
2359 | o_shdrp = elf_elfsections (obfd); | |
2360 | for (osec = obfd->sections; osec; osec = osec->next) | |
2361 | { | |
2362 | int oIndex = ((struct bfd_elf_section_data *) elf_section_data (osec))->this_idx; | |
2363 | for (isec = ibfd->sections; isec; isec = isec->next) | |
2364 | { | |
2365 | if (strcmp (osec->name, isec->name) == 0) | |
2366 | { | |
2367 | /* Note that we're not disallowing mixing data and code. */ | |
2368 | if ((elf_section_data (isec)->this_hdr.sh_flags | |
2369 | & SHF_SH5_ISA32) != 0) | |
2370 | o_shdrp[oIndex]->sh_flags |= SHF_SH5_ISA32; | |
2371 | break; | |
2372 | } | |
2373 | } | |
2374 | } | |
2375 | ||
2376 | return sh_elf64_set_private_flags (obfd, elf_elfheader (ibfd)->e_flags); | |
2377 | } | |
2378 | ||
b34976b6 | 2379 | static bfd_boolean |
fbca6ad9 AO |
2380 | sh_elf64_copy_private_data (ibfd, obfd) |
2381 | bfd * ibfd; | |
2382 | bfd * obfd; | |
2383 | { | |
2384 | return sh_elf64_copy_private_data_internal (ibfd, obfd); | |
2385 | } | |
2386 | ||
b34976b6 | 2387 | static bfd_boolean |
fbca6ad9 AO |
2388 | sh_elf64_merge_private_data (ibfd, obfd) |
2389 | bfd *ibfd; | |
2390 | bfd *obfd; | |
2391 | { | |
2392 | flagword old_flags, new_flags; | |
2393 | ||
82e51918 | 2394 | if (! _bfd_generic_verify_endian_match (ibfd, obfd)) |
b34976b6 | 2395 | return FALSE; |
fbca6ad9 AO |
2396 | |
2397 | if ( bfd_get_flavour (ibfd) != bfd_target_elf_flavour | |
2398 | || bfd_get_flavour (obfd) != bfd_target_elf_flavour) | |
b34976b6 | 2399 | return TRUE; |
fbca6ad9 AO |
2400 | |
2401 | if (bfd_get_arch_size (ibfd) != bfd_get_arch_size (obfd)) | |
2402 | { | |
2403 | const char *msg; | |
2404 | ||
2405 | if (bfd_get_arch_size (ibfd) == 32 | |
2406 | && bfd_get_arch_size (obfd) == 64) | |
2407 | msg = _("%s: compiled as 32-bit object and %s is 64-bit"); | |
2408 | else if (bfd_get_arch_size (ibfd) == 64 | |
2409 | && bfd_get_arch_size (obfd) == 32) | |
2410 | msg = _("%s: compiled as 64-bit object and %s is 32-bit"); | |
2411 | else | |
2412 | msg = _("%s: object size does not match that of target %s"); | |
2413 | ||
2414 | (*_bfd_error_handler) (msg, bfd_get_filename (ibfd), | |
2415 | bfd_get_filename (obfd)); | |
2416 | bfd_set_error (bfd_error_wrong_format); | |
b34976b6 | 2417 | return FALSE; |
fbca6ad9 AO |
2418 | } |
2419 | ||
2420 | old_flags = elf_elfheader (obfd)->e_flags; | |
2421 | new_flags = elf_elfheader (ibfd)->e_flags; | |
2422 | if (! elf_flags_init (obfd)) | |
2423 | { | |
2424 | /* This happens when ld starts out with a 'blank' output file. */ | |
b34976b6 | 2425 | elf_flags_init (obfd) = TRUE; |
fbca6ad9 AO |
2426 | elf_elfheader (obfd)->e_flags = old_flags = new_flags; |
2427 | } | |
2428 | /* We don't allow linking in anything else than SH64 code, and since | |
2429 | this is a 64-bit ELF, we assume the 64-bit ABI is used. Add code | |
2430 | here as things change. */ | |
2431 | else if ((new_flags & EF_SH_MACH_MASK) != EF_SH5) | |
2432 | { | |
2433 | (*_bfd_error_handler) | |
2434 | ("%s: does not use the SH64 64-bit ABI as previous modules do", | |
2435 | bfd_get_filename (ibfd)); | |
2436 | bfd_set_error (bfd_error_bad_value); | |
b34976b6 | 2437 | return FALSE; |
fbca6ad9 AO |
2438 | } |
2439 | ||
2440 | sh_elf64_copy_private_data_internal (ibfd, obfd); | |
2441 | ||
2442 | /* I can't think of anything sane other than old_flags being EF_SH5 and | |
2443 | that we need to preserve that. */ | |
2444 | elf_elfheader (obfd)->e_flags = old_flags; | |
2445 | ||
2446 | return sh_elf64_set_mach_from_flags (obfd); | |
2447 | } | |
2448 | ||
2449 | /* Return the section that should be marked against GC for a given | |
2450 | relocation. */ | |
2451 | ||
2452 | static asection * | |
1e2f5b6e AM |
2453 | sh_elf64_gc_mark_hook (sec, info, rel, h, sym) |
2454 | asection *sec; | |
2455 | struct bfd_link_info *info ATTRIBUTE_UNUSED; | |
2456 | Elf_Internal_Rela *rel; | |
2457 | struct elf_link_hash_entry *h; | |
2458 | Elf_Internal_Sym *sym; | |
fbca6ad9 AO |
2459 | { |
2460 | if (h != NULL) | |
2461 | { | |
2462 | switch (ELF64_R_TYPE (rel->r_info)) | |
2463 | { | |
2464 | case R_SH_GNU_VTINHERIT: | |
2465 | case R_SH_GNU_VTENTRY: | |
2466 | break; | |
2467 | ||
2468 | default: | |
4972a8e9 SC |
2469 | while (h->root.type == bfd_link_hash_indirect |
2470 | && h->root.u.i.link) | |
2471 | h = (struct elf_link_hash_entry *) h->root.u.i.link; | |
fbca6ad9 AO |
2472 | switch (h->root.type) |
2473 | { | |
2474 | case bfd_link_hash_defined: | |
2475 | case bfd_link_hash_defweak: | |
2476 | return h->root.u.def.section; | |
2477 | ||
2478 | case bfd_link_hash_common: | |
2479 | return h->root.u.c.p->section; | |
2480 | ||
2481 | default: | |
2482 | break; | |
2483 | } | |
2484 | } | |
2485 | } | |
2486 | else | |
1e2f5b6e | 2487 | return bfd_section_from_elf_index (sec->owner, sym->st_shndx); |
fbca6ad9 AO |
2488 | |
2489 | return NULL; | |
2490 | } | |
2491 | ||
2492 | /* Update the got entry reference counts for the section being removed. */ | |
2493 | ||
b34976b6 | 2494 | static bfd_boolean |
fbca6ad9 AO |
2495 | sh_elf64_gc_sweep_hook (abfd, info, sec, relocs) |
2496 | bfd *abfd ATTRIBUTE_UNUSED; | |
2497 | struct bfd_link_info *info ATTRIBUTE_UNUSED; | |
2498 | asection *sec ATTRIBUTE_UNUSED; | |
2499 | const Elf_Internal_Rela *relocs ATTRIBUTE_UNUSED; | |
2500 | { | |
2501 | /* No got and plt entries for 64-bit SH at present. */ | |
b34976b6 | 2502 | return TRUE; |
fbca6ad9 AO |
2503 | } |
2504 | ||
2505 | /* Look through the relocs for a section during the first phase. | |
2506 | Since we don't do .gots or .plts, we just need to consider the | |
2507 | virtual table relocs for gc. */ | |
cedb70c5 | 2508 | |
b34976b6 | 2509 | static bfd_boolean |
fbca6ad9 AO |
2510 | sh_elf64_check_relocs (abfd, info, sec, relocs) |
2511 | bfd *abfd; | |
2512 | struct bfd_link_info *info; | |
2513 | asection *sec; | |
2514 | const Elf_Internal_Rela *relocs; | |
2515 | { | |
2516 | Elf_Internal_Shdr *symtab_hdr; | |
2517 | struct elf_link_hash_entry **sym_hashes, **sym_hashes_end; | |
2518 | const Elf_Internal_Rela *rel; | |
2519 | const Elf_Internal_Rela *rel_end; | |
2520 | bfd *dynobj; | |
2521 | bfd_vma *local_got_offsets; | |
2522 | asection *sgot; | |
2523 | asection *srelgot; | |
2524 | asection *sreloc; | |
2525 | ||
2526 | sgot = NULL; | |
2527 | srelgot = NULL; | |
2528 | sreloc = NULL; | |
2529 | ||
2530 | if (info->relocateable) | |
b34976b6 | 2531 | return TRUE; |
fbca6ad9 AO |
2532 | |
2533 | symtab_hdr = &elf_tdata (abfd)->symtab_hdr; | |
2534 | sym_hashes = elf_sym_hashes (abfd); | |
2535 | sym_hashes_end = sym_hashes + symtab_hdr->sh_size/sizeof(Elf64_External_Sym); | |
2536 | if (!elf_bad_symtab (abfd)) | |
2537 | sym_hashes_end -= symtab_hdr->sh_info; | |
cedb70c5 | 2538 | |
fbca6ad9 AO |
2539 | dynobj = elf_hash_table (info)->dynobj; |
2540 | local_got_offsets = elf_local_got_offsets (abfd); | |
2541 | ||
2542 | rel_end = relocs + sec->reloc_count; | |
2543 | for (rel = relocs; rel < rel_end; rel++) | |
2544 | { | |
2545 | struct elf_link_hash_entry *h; | |
2546 | unsigned long r_symndx; | |
cedb70c5 | 2547 | |
fbca6ad9 AO |
2548 | r_symndx = ELF64_R_SYM (rel->r_info); |
2549 | if (r_symndx < symtab_hdr->sh_info) | |
2550 | h = NULL; | |
2551 | else | |
2552 | h = sym_hashes[r_symndx - symtab_hdr->sh_info]; | |
cedb70c5 | 2553 | |
fbca6ad9 AO |
2554 | /* Some relocs require a global offset table. */ |
2555 | if (dynobj == NULL) | |
2556 | { | |
2557 | switch (ELF64_R_TYPE (rel->r_info)) | |
2558 | { | |
2559 | case R_SH_GOTPLT_LOW16: | |
2560 | case R_SH_GOTPLT_MEDLOW16: | |
2561 | case R_SH_GOTPLT_MEDHI16: | |
2562 | case R_SH_GOTPLT_HI16: | |
2563 | case R_SH_GOTPLT10BY4: | |
2564 | case R_SH_GOTPLT10BY8: | |
2565 | case R_SH_GOT_LOW16: | |
2566 | case R_SH_GOT_MEDLOW16: | |
2567 | case R_SH_GOT_MEDHI16: | |
2568 | case R_SH_GOT_HI16: | |
2569 | case R_SH_GOT10BY4: | |
2570 | case R_SH_GOT10BY8: | |
2571 | case R_SH_GOTOFF_LOW16: | |
2572 | case R_SH_GOTOFF_MEDLOW16: | |
2573 | case R_SH_GOTOFF_MEDHI16: | |
2574 | case R_SH_GOTOFF_HI16: | |
2575 | case R_SH_GOTPC_LOW16: | |
2576 | case R_SH_GOTPC_MEDLOW16: | |
2577 | case R_SH_GOTPC_MEDHI16: | |
2578 | case R_SH_GOTPC_HI16: | |
2579 | elf_hash_table (info)->dynobj = dynobj = abfd; | |
2580 | if (! _bfd_elf_create_got_section (dynobj, info)) | |
b34976b6 | 2581 | return FALSE; |
fbca6ad9 AO |
2582 | break; |
2583 | ||
2584 | default: | |
2585 | break; | |
2586 | } | |
2587 | } | |
2588 | ||
2589 | switch (ELF64_R_TYPE (rel->r_info)) | |
2590 | { | |
2591 | /* This relocation describes the C++ object vtable hierarchy. | |
2592 | Reconstruct it for later use during GC. */ | |
2593 | case R_SH_GNU_VTINHERIT: | |
2594 | if (!_bfd_elf64_gc_record_vtinherit (abfd, sec, h, rel->r_offset)) | |
b34976b6 | 2595 | return FALSE; |
fbca6ad9 | 2596 | break; |
cedb70c5 | 2597 | |
fbca6ad9 AO |
2598 | /* This relocation describes which C++ vtable entries are actually |
2599 | used. Record for later use during GC. */ | |
2600 | case R_SH_GNU_VTENTRY: | |
2601 | if (!_bfd_elf64_gc_record_vtentry (abfd, sec, h, rel->r_addend)) | |
b34976b6 | 2602 | return FALSE; |
fbca6ad9 AO |
2603 | break; |
2604 | ||
2605 | force_got: | |
2606 | case R_SH_GOT_LOW16: | |
2607 | case R_SH_GOT_MEDLOW16: | |
2608 | case R_SH_GOT_MEDHI16: | |
2609 | case R_SH_GOT_HI16: | |
2610 | case R_SH_GOT10BY4: | |
2611 | case R_SH_GOT10BY8: | |
2612 | /* This symbol requires a global offset table entry. */ | |
2613 | ||
2614 | if (sgot == NULL) | |
2615 | { | |
2616 | sgot = bfd_get_section_by_name (dynobj, ".got"); | |
2617 | BFD_ASSERT (sgot != NULL); | |
2618 | } | |
2619 | ||
2620 | if (srelgot == NULL | |
2621 | && (h != NULL || info->shared)) | |
2622 | { | |
2623 | srelgot = bfd_get_section_by_name (dynobj, ".rela.got"); | |
2624 | if (srelgot == NULL) | |
2625 | { | |
2626 | srelgot = bfd_make_section (dynobj, ".rela.got"); | |
2627 | if (srelgot == NULL | |
2628 | || ! bfd_set_section_flags (dynobj, srelgot, | |
2629 | (SEC_ALLOC | |
2630 | | SEC_LOAD | |
2631 | | SEC_HAS_CONTENTS | |
2632 | | SEC_IN_MEMORY | |
2633 | | SEC_LINKER_CREATED | |
2634 | | SEC_READONLY)) | |
2635 | || ! bfd_set_section_alignment (dynobj, srelgot, 2)) | |
b34976b6 | 2636 | return FALSE; |
fbca6ad9 AO |
2637 | } |
2638 | } | |
2639 | ||
2640 | if (h != NULL) | |
2641 | { | |
2642 | if (h->type == STT_DATALABEL) | |
2643 | { | |
2644 | struct elf_sh64_link_hash_entry *hsh; | |
2645 | ||
2646 | h = (struct elf_link_hash_entry *) h->root.u.i.link; | |
2647 | hsh = (struct elf_sh64_link_hash_entry *)h; | |
2648 | if (hsh->datalabel_got_offset != (bfd_vma) -1) | |
2649 | break; | |
2650 | ||
2651 | hsh->datalabel_got_offset = sgot->_raw_size; | |
2652 | } | |
2653 | else | |
2654 | { | |
2655 | if (h->got.offset != (bfd_vma) -1) | |
2656 | { | |
2657 | /* We have already allocated space in the .got. */ | |
2658 | break; | |
2659 | } | |
2660 | h->got.offset = sgot->_raw_size; | |
2661 | } | |
2662 | ||
2663 | /* Make sure this symbol is output as a dynamic symbol. */ | |
2664 | if (h->dynindx == -1) | |
2665 | { | |
2666 | if (! bfd_elf64_link_record_dynamic_symbol (info, h)) | |
b34976b6 | 2667 | return FALSE; |
fbca6ad9 AO |
2668 | } |
2669 | ||
2670 | srelgot->_raw_size += sizeof (Elf64_External_Rela); | |
2671 | } | |
2672 | else | |
2673 | { | |
2674 | /* This is a global offset table entry for a local | |
2675 | symbol. */ | |
2676 | if (local_got_offsets == NULL) | |
2677 | { | |
2678 | size_t size; | |
2679 | register unsigned int i; | |
2680 | ||
2681 | size = symtab_hdr->sh_info * sizeof (bfd_vma); | |
2682 | /* Reserve space for both the datalabel and | |
2683 | codelabel local GOT offsets. */ | |
2684 | size *= 2; | |
2685 | local_got_offsets = (bfd_vma *) bfd_alloc (abfd, size); | |
2686 | if (local_got_offsets == NULL) | |
b34976b6 | 2687 | return FALSE; |
fbca6ad9 AO |
2688 | elf_local_got_offsets (abfd) = local_got_offsets; |
2689 | for (i = 0; i < symtab_hdr->sh_info; i++) | |
2690 | local_got_offsets[i] = (bfd_vma) -1; | |
2691 | for (; i < 2 * symtab_hdr->sh_info; i++) | |
2692 | local_got_offsets[i] = (bfd_vma) -1; | |
2693 | } | |
2694 | if ((rel->r_addend & 1) != 0) | |
2695 | { | |
2696 | if (local_got_offsets[symtab_hdr->sh_info | |
2697 | + r_symndx] != (bfd_vma) -1) | |
2698 | { | |
2699 | /* We have already allocated space in the .got. */ | |
2700 | break; | |
2701 | } | |
2702 | local_got_offsets[symtab_hdr->sh_info | |
2703 | + r_symndx] = sgot->_raw_size; | |
2704 | } | |
2705 | else | |
2706 | { | |
2707 | if (local_got_offsets[r_symndx] != (bfd_vma) -1) | |
2708 | { | |
2709 | /* We have already allocated space in the .got. */ | |
2710 | break; | |
2711 | } | |
2712 | local_got_offsets[r_symndx] = sgot->_raw_size; | |
2713 | } | |
2714 | ||
2715 | if (info->shared) | |
2716 | { | |
2717 | /* If we are generating a shared object, we need to | |
2718 | output a R_SH_RELATIVE reloc so that the dynamic | |
2719 | linker can adjust this GOT entry. */ | |
2720 | srelgot->_raw_size += sizeof (Elf64_External_Rela); | |
2721 | } | |
2722 | } | |
2723 | ||
2724 | sgot->_raw_size += 8; | |
2725 | ||
2726 | break; | |
2727 | ||
2728 | case R_SH_GOTPLT_LOW16: | |
2729 | case R_SH_GOTPLT_MEDLOW16: | |
2730 | case R_SH_GOTPLT_MEDHI16: | |
2731 | case R_SH_GOTPLT_HI16: | |
2732 | case R_SH_GOTPLT10BY4: | |
2733 | case R_SH_GOTPLT10BY8: | |
2734 | /* If this is a local symbol, we resolve it directly without | |
2735 | creating a procedure linkage table entry. */ | |
2736 | ||
2737 | if (h == NULL | |
2738 | || ELF_ST_VISIBILITY (h->other) == STV_INTERNAL | |
2739 | || ELF_ST_VISIBILITY (h->other) == STV_HIDDEN | |
2740 | || ! info->shared | |
2741 | || info->symbolic | |
2742 | || h->dynindx == -1 | |
2743 | || h->got.offset != (bfd_vma) -1) | |
2744 | goto force_got; | |
2745 | ||
2746 | /* Make sure this symbol is output as a dynamic symbol. */ | |
2747 | if (h->dynindx == -1) | |
2748 | { | |
2749 | if (! bfd_elf64_link_record_dynamic_symbol (info, h)) | |
b34976b6 | 2750 | return FALSE; |
fbca6ad9 AO |
2751 | } |
2752 | ||
2753 | h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_PLT; | |
2754 | ||
2755 | break; | |
2756 | ||
2757 | case R_SH_PLT_LOW16: | |
2758 | case R_SH_PLT_MEDLOW16: | |
2759 | case R_SH_PLT_MEDHI16: | |
2760 | case R_SH_PLT_HI16: | |
2761 | /* This symbol requires a procedure linkage table entry. We | |
2762 | actually build the entry in adjust_dynamic_symbol, | |
2763 | because this might be a case of linking PIC code which is | |
2764 | never referenced by a dynamic object, in which case we | |
2765 | don't need to generate a procedure linkage table entry | |
2766 | after all. */ | |
2767 | ||
2768 | /* If this is a local symbol, we resolve it directly without | |
2769 | creating a procedure linkage table entry. */ | |
2770 | if (h == NULL) | |
2771 | continue; | |
2772 | ||
2773 | if (ELF_ST_VISIBILITY (h->other) == STV_INTERNAL | |
2774 | || ELF_ST_VISIBILITY (h->other) == STV_HIDDEN) | |
2775 | break; | |
2776 | ||
2777 | h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_PLT; | |
2778 | ||
2779 | break; | |
2780 | ||
2781 | case R_SH_64: | |
2782 | case R_SH_64_PCREL: | |
2783 | if (h != NULL) | |
2784 | h->elf_link_hash_flags |= ELF_LINK_NON_GOT_REF; | |
2785 | ||
2786 | /* If we are creating a shared library, and this is a reloc | |
2787 | against a global symbol, or a non PC relative reloc | |
2788 | against a local symbol, then we need to copy the reloc | |
2789 | into the shared library. However, if we are linking with | |
2790 | -Bsymbolic, we do not need to copy a reloc against a | |
2791 | global symbol which is defined in an object we are | |
2792 | including in the link (i.e., DEF_REGULAR is set). At | |
2793 | this point we have not seen all the input files, so it is | |
2794 | possible that DEF_REGULAR is not set now but will be set | |
2795 | later (it is never cleared). We account for that | |
2796 | possibility below by storing information in the | |
2797 | pcrel_relocs_copied field of the hash table entry. */ | |
2798 | if (info->shared | |
2799 | && (sec->flags & SEC_ALLOC) != 0 | |
2800 | && (ELF32_R_TYPE (rel->r_info) != R_SH_64_PCREL | |
2801 | || (h != NULL | |
2802 | && (! info->symbolic | |
2803 | || (h->elf_link_hash_flags | |
2804 | & ELF_LINK_HASH_DEF_REGULAR) == 0)))) | |
2805 | { | |
2806 | /* When creating a shared object, we must copy these | |
2807 | reloc types into the output file. We create a reloc | |
2808 | section in dynobj and make room for this reloc. */ | |
2809 | if (sreloc == NULL) | |
2810 | { | |
2811 | const char *name; | |
2812 | ||
2813 | name = (bfd_elf_string_from_elf_section | |
2814 | (abfd, | |
2815 | elf_elfheader (abfd)->e_shstrndx, | |
2816 | elf_section_data (sec)->rel_hdr.sh_name)); | |
2817 | if (name == NULL) | |
b34976b6 | 2818 | return FALSE; |
fbca6ad9 AO |
2819 | |
2820 | BFD_ASSERT (strncmp (name, ".rela", 5) == 0 | |
2821 | && strcmp (bfd_get_section_name (abfd, sec), | |
2822 | name + 5) == 0); | |
2823 | ||
2824 | sreloc = bfd_get_section_by_name (dynobj, name); | |
2825 | if (sreloc == NULL) | |
2826 | { | |
2827 | flagword flags; | |
2828 | ||
2829 | sreloc = bfd_make_section (dynobj, name); | |
2830 | flags = (SEC_HAS_CONTENTS | SEC_READONLY | |
2831 | | SEC_IN_MEMORY | SEC_LINKER_CREATED); | |
2832 | if ((sec->flags & SEC_ALLOC) != 0) | |
2833 | flags |= SEC_ALLOC | SEC_LOAD; | |
2834 | if (sreloc == NULL | |
2835 | || ! bfd_set_section_flags (dynobj, sreloc, flags) | |
2836 | || ! bfd_set_section_alignment (dynobj, sreloc, 2)) | |
b34976b6 | 2837 | return FALSE; |
fbca6ad9 AO |
2838 | } |
2839 | } | |
2840 | ||
2841 | sreloc->_raw_size += sizeof (Elf64_External_Rela); | |
2842 | ||
2843 | /* If we are linking with -Bsymbolic, and this is a | |
2844 | global symbol, we count the number of PC relative | |
2845 | relocations we have entered for this symbol, so that | |
2846 | we can discard them again if the symbol is later | |
2847 | defined by a regular object. Note that this function | |
2848 | is only called if we are using an elf_sh linker | |
2849 | hash table, which means that h is really a pointer to | |
2850 | an elf_sh_link_hash_entry. */ | |
2851 | if (h != NULL && info->symbolic | |
2852 | && ELF64_R_TYPE (rel->r_info) == R_SH_64_PCREL) | |
2853 | { | |
2854 | struct elf_sh64_link_hash_entry *eh; | |
2855 | struct elf_sh64_pcrel_relocs_copied *p; | |
2856 | ||
2857 | eh = (struct elf_sh64_link_hash_entry *) h; | |
2858 | ||
2859 | for (p = eh->pcrel_relocs_copied; p != NULL; p = p->next) | |
2860 | if (p->section == sreloc) | |
2861 | break; | |
2862 | ||
2863 | if (p == NULL) | |
2864 | { | |
2865 | p = ((struct elf_sh64_pcrel_relocs_copied *) | |
2866 | bfd_alloc (dynobj, sizeof *p)); | |
2867 | if (p == NULL) | |
b34976b6 | 2868 | return FALSE; |
fbca6ad9 AO |
2869 | p->next = eh->pcrel_relocs_copied; |
2870 | eh->pcrel_relocs_copied = p; | |
2871 | p->section = sreloc; | |
2872 | p->count = 0; | |
2873 | } | |
2874 | ||
2875 | ++p->count; | |
2876 | } | |
2877 | } | |
2878 | ||
2879 | break; | |
2880 | } | |
2881 | } | |
cedb70c5 | 2882 | |
b34976b6 | 2883 | return TRUE; |
fbca6ad9 AO |
2884 | } |
2885 | ||
2886 | static int | |
2887 | sh64_elf64_get_symbol_type (elf_sym, type) | |
2888 | Elf_Internal_Sym * elf_sym; | |
2889 | int type; | |
2890 | { | |
2891 | if (ELF_ST_TYPE (elf_sym->st_info) == STT_DATALABEL) | |
2892 | return STT_DATALABEL; | |
2893 | ||
2894 | return type; | |
2895 | } | |
2896 | ||
2897 | /* FIXME: This is a copy of sh64_elf_add_symbol_hook in elf32-sh64.c. | |
2898 | Either file can presumably exist without the other, but do not differ | |
2899 | in elf-size-ness. How to share? | |
2900 | ||
2901 | Hook called by the linker routine which adds symbols from an object | |
2902 | file. We must make indirect symbols for undefined symbols marked with | |
2903 | STT_DATALABEL, so relocations passing them will pick up that attribute | |
2904 | and neutralize STO_SH5_ISA32 found on the symbol definition. | |
2905 | ||
2906 | There is a problem, though: We want to fill in the hash-table entry for | |
2907 | this symbol and signal to the caller that no further processing is | |
2908 | needed. But we don't have the index for this hash-table entry. We | |
2909 | rely here on that the current entry is the first hash-entry with NULL, | |
2910 | which seems brittle. Also, iterating over the hash-table to find that | |
2911 | entry is a linear operation on the number of symbols in this input | |
2912 | file, and this function should take constant time, so that's not good | |
2913 | too. Only comfort is that DataLabel references should only be found in | |
2914 | hand-written assembly code and thus be rare. FIXME: Talk maintainers | |
2915 | into adding an option to elf_add_symbol_hook (preferably) for the index | |
2916 | or the hash entry, alternatively adding the index to Elf_Internal_Sym | |
2917 | (not so good). */ | |
2918 | ||
b34976b6 | 2919 | static bfd_boolean |
fbca6ad9 AO |
2920 | sh64_elf64_add_symbol_hook (abfd, info, sym, namep, flagsp, secp, valp) |
2921 | bfd *abfd; | |
2922 | struct bfd_link_info *info; | |
2923 | const Elf_Internal_Sym *sym; | |
2924 | const char **namep; | |
2925 | flagword *flagsp ATTRIBUTE_UNUSED; | |
2926 | asection **secp; | |
2927 | bfd_vma *valp; | |
2928 | { | |
2929 | /* We want to do this for relocatable as well as final linking. */ | |
4ab82700 AM |
2930 | if (ELF_ST_TYPE (sym->st_info) == STT_DATALABEL |
2931 | && info->hash->creator->flavour == bfd_target_elf_flavour) | |
fbca6ad9 AO |
2932 | { |
2933 | struct elf_link_hash_entry *h; | |
2934 | ||
2935 | /* For relocateable links, we register the DataLabel sym in its own | |
2936 | right, and tweak the name when it's output. Otherwise, we make | |
2937 | an indirect symbol of it. */ | |
2938 | flagword flags | |
2939 | = info->relocateable || info->emitrelocations | |
2940 | ? BSF_GLOBAL : BSF_GLOBAL | BSF_INDIRECT; | |
2941 | ||
2942 | char *dl_name | |
2943 | = bfd_malloc (strlen (*namep) + sizeof (DATALABEL_SUFFIX)); | |
2944 | struct elf_link_hash_entry ** sym_hash = elf_sym_hashes (abfd); | |
2945 | ||
2946 | BFD_ASSERT (sym_hash != NULL); | |
2947 | ||
2948 | /* Allocation may fail. */ | |
2949 | if (dl_name == NULL) | |
b34976b6 | 2950 | return FALSE; |
fbca6ad9 AO |
2951 | |
2952 | strcpy (dl_name, *namep); | |
2953 | strcat (dl_name, DATALABEL_SUFFIX); | |
2954 | ||
2955 | h = (struct elf_link_hash_entry *) | |
b34976b6 | 2956 | bfd_link_hash_lookup (info->hash, dl_name, FALSE, FALSE, FALSE); |
fbca6ad9 AO |
2957 | |
2958 | if (h == NULL) | |
2959 | { | |
2960 | /* No previous datalabel symbol. Make one. */ | |
14a793b2 AM |
2961 | struct bfd_link_hash_entry *bh = NULL; |
2962 | struct elf_backend_data *bed = get_elf_backend_data (abfd); | |
2963 | ||
fbca6ad9 AO |
2964 | if (! _bfd_generic_link_add_one_symbol (info, abfd, dl_name, |
2965 | flags, *secp, *valp, | |
b34976b6 | 2966 | *namep, FALSE, |
14a793b2 | 2967 | bed->collect, &bh)) |
fbca6ad9 AO |
2968 | { |
2969 | free (dl_name); | |
b34976b6 | 2970 | return FALSE; |
fbca6ad9 AO |
2971 | } |
2972 | ||
14a793b2 | 2973 | h = (struct elf_link_hash_entry *) bh; |
fbca6ad9 AO |
2974 | h->elf_link_hash_flags &=~ ELF_LINK_NON_ELF; |
2975 | h->type = STT_DATALABEL; | |
2976 | } | |
2977 | else | |
2978 | /* If a new symbol was created, it holds the allocated name. | |
2979 | Otherwise, we don't need it anymore and should deallocate it. */ | |
2980 | free (dl_name); | |
2981 | ||
2982 | if (h->type != STT_DATALABEL | |
2983 | || ((info->relocateable || info->emitrelocations) | |
2984 | && h->root.type != bfd_link_hash_undefined) | |
2985 | || (! info->relocateable && !info->emitrelocations | |
2986 | && h->root.type != bfd_link_hash_indirect)) | |
2987 | { | |
2988 | /* Make sure we don't get confused on invalid input. */ | |
2989 | (*_bfd_error_handler) | |
2990 | (_("%s: encountered datalabel symbol in input"), | |
2991 | bfd_get_filename (abfd)); | |
2992 | bfd_set_error (bfd_error_bad_value); | |
b34976b6 | 2993 | return FALSE; |
fbca6ad9 AO |
2994 | } |
2995 | ||
2996 | /* Now find the hash-table slot for this entry and fill it in. */ | |
2997 | while (*sym_hash != NULL) | |
2998 | sym_hash++; | |
2999 | *sym_hash = h; | |
3000 | ||
3001 | /* Signal to caller to skip this symbol - we've handled it. */ | |
3002 | *namep = NULL; | |
3003 | } | |
3004 | ||
b34976b6 | 3005 | return TRUE; |
fbca6ad9 AO |
3006 | } |
3007 | ||
3008 | /* This hook function is called before the linker writes out a global | |
3009 | symbol. For relocatable links, DataLabel symbols will be present in | |
3010 | linker output. We cut off the special suffix on those symbols, so the | |
3011 | right name appears in the output. | |
3012 | ||
3013 | When linking and emitting relocations, there can appear global symbols | |
3014 | that are not referenced by relocs, but rather only implicitly through | |
3015 | DataLabel references, a relation that is not visible to the linker. | |
3016 | Since no stripping of global symbols in done when doing such linking, | |
3017 | we don't need to look up and make sure to emit the main symbol for each | |
3018 | DataLabel symbol. */ | |
3019 | ||
b34976b6 | 3020 | static bfd_boolean |
fbca6ad9 AO |
3021 | sh64_elf64_link_output_symbol_hook (abfd, info, cname, sym, input_sec) |
3022 | bfd *abfd ATTRIBUTE_UNUSED; | |
3023 | struct bfd_link_info *info; | |
3024 | const char *cname; | |
3025 | Elf_Internal_Sym *sym; | |
3026 | asection *input_sec ATTRIBUTE_UNUSED; | |
3027 | { | |
3028 | char *name = (char *) cname; | |
3029 | ||
3030 | if (info->relocateable || info->emitrelocations) | |
3031 | { | |
3032 | if (ELF_ST_TYPE (sym->st_info) == STT_DATALABEL) | |
3033 | name[strlen (name) - strlen (DATALABEL_SUFFIX)] = 0; | |
3034 | } | |
3035 | ||
b34976b6 | 3036 | return TRUE; |
fbca6ad9 AO |
3037 | } |
3038 | ||
3039 | /* Set bit 0 on the entry address; it always points to SHmedia code. This | |
3040 | is mostly for symmetry with the 32-bit format, where code can be | |
3041 | SHcompact and we need to make a distinction to make sure execution | |
3042 | starts in the right ISA mode. It is also convenient for a loader, | |
3043 | which would otherwise have to set this bit when loading a TR register | |
3044 | before jumping to the program entry. */ | |
3045 | ||
3046 | static void | |
3047 | sh64_elf64_final_write_processing (abfd, linker) | |
3048 | bfd *abfd; | |
b34976b6 | 3049 | bfd_boolean linker ATTRIBUTE_UNUSED; |
fbca6ad9 AO |
3050 | { |
3051 | /* FIXME: Perhaps we shouldn't do this if the entry address was supplied | |
3052 | numerically, but we currently lack the infrastructure to recognize | |
3053 | that: The entry symbol, and info whether it is numeric or a symbol | |
3054 | name is kept private in the linker. */ | |
3055 | if (elf_elfheader (abfd)->e_type == ET_EXEC) | |
3056 | elf_elfheader (abfd)->e_entry |= 1; | |
3057 | } | |
3058 | ||
3059 | /* First entry in an absolute procedure linkage table look like this. */ | |
3060 | ||
3061 | static const bfd_byte elf_sh64_plt0_entry_be[PLT_ENTRY_SIZE] = | |
3062 | { | |
3063 | 0xcc, 0x00, 0x01, 0x10, /* movi .got.plt >> 48, r17 */ | |
3064 | 0xc8, 0x00, 0x01, 0x10, /* shori (.got.plt >> 32) & 65535, r17 */ | |
3065 | 0xc8, 0x00, 0x01, 0x10, /* shori (.got.plt >> 16) & 65535, r17 */ | |
3066 | 0xc8, 0x00, 0x01, 0x10, /* shori .got.plt & 65535, r17 */ | |
3067 | 0x8d, 0x10, 0x09, 0x90, /* ld.q r17, 16, r25 */ | |
c8614e8e | 3068 | 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */ |
fbca6ad9 AO |
3069 | 0x8d, 0x10, 0x05, 0x10, /* ld.q r17, 8, r17 */ |
3070 | 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */ | |
3071 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
3072 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
3073 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
3074 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
3075 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
3076 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
3077 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
3078 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
3079 | }; | |
3080 | ||
3081 | static const bfd_byte elf_sh64_plt0_entry_le[PLT_ENTRY_SIZE] = | |
3082 | { | |
3083 | 0x10, 0x01, 0x00, 0xcc, /* movi .got.plt >> 16, r17 */ | |
3084 | 0x10, 0x01, 0x00, 0xc8, /* shori (.got.plt >> 32) & 65535, r17 */ | |
3085 | 0x10, 0x01, 0x00, 0xc8, /* shori (.got.plt >> 16) & 65535, r17 */ | |
3086 | 0x10, 0x01, 0x00, 0xc8, /* shori .got.plt & 65535, r17 */ | |
3087 | 0x90, 0x09, 0x10, 0x8d, /* ld.q r17, 16, r25 */ | |
c8614e8e | 3088 | 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */ |
fbca6ad9 AO |
3089 | 0x10, 0x05, 0x10, 0x8d, /* ld.q r17, 8, r17 */ |
3090 | 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */ | |
3091 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
3092 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
3093 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
3094 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
3095 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
3096 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
3097 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
3098 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
3099 | }; | |
3100 | ||
3101 | /* Sebsequent entries in an absolute procedure linkage table look like | |
3102 | this. */ | |
3103 | ||
3104 | static const bfd_byte elf_sh64_plt_entry_be[PLT_ENTRY_SIZE] = | |
3105 | { | |
3106 | 0xcc, 0x00, 0x01, 0x90, /* movi nameN-in-GOT >> 48, r25 */ | |
3107 | 0xc8, 0x00, 0x01, 0x90, /* shori (nameN-in-GOT >> 32) & 65535, r25 */ | |
3108 | 0xc8, 0x00, 0x01, 0x90, /* shori (nameN-in-GOT >> 16) & 65535, r25 */ | |
3109 | 0xc8, 0x00, 0x01, 0x90, /* shori nameN-in-GOT & 65535, r25 */ | |
3110 | 0x8d, 0x90, 0x01, 0x90, /* ld.q r25, 0, r25 */ | |
3111 | 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */ | |
3112 | 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */ | |
3113 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
c8614e8e AM |
3114 | 0xcc, 0x00, 0x01, 0x90, /* movi (.+8-.PLT0) >> 16, r25 */ |
3115 | 0xc8, 0x00, 0x01, 0x90, /* shori (.+4-.PLT0) & 65535, r25 */ | |
3116 | 0x6b, 0xf5, 0x66, 0x00, /* ptrel r25, tr0 */ | |
fbca6ad9 AO |
3117 | 0xcc, 0x00, 0x01, 0x50, /* movi reloc-offset >> 16, r21 */ |
3118 | 0xc8, 0x00, 0x01, 0x50, /* shori reloc-offset & 65535, r21 */ | |
3119 | 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */ | |
3120 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
3121 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
3122 | }; | |
3123 | ||
3124 | static const bfd_byte elf_sh64_plt_entry_le[PLT_ENTRY_SIZE] = | |
3125 | { | |
3126 | 0x90, 0x01, 0x00, 0xcc, /* movi nameN-in-GOT >> 16, r25 */ | |
3127 | 0x90, 0x01, 0x00, 0xc8, /* shori nameN-in-GOT & 65535, r25 */ | |
3128 | 0x90, 0x01, 0x00, 0xc8, /* shori nameN-in-GOT & 65535, r25 */ | |
3129 | 0x90, 0x01, 0x00, 0xc8, /* shori nameN-in-GOT & 65535, r25 */ | |
3130 | 0x90, 0x01, 0x90, 0x8d, /* ld.q r25, 0, r25 */ | |
3131 | 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */ | |
3132 | 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */ | |
3133 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
c8614e8e AM |
3134 | 0x90, 0x01, 0x00, 0xcc, /* movi (.+8-.PLT0) >> 16, r25 */ |
3135 | 0x90, 0x01, 0x00, 0xc8, /* shori (.+4-.PLT0) & 65535, r25 */ | |
3136 | 0x00, 0x66, 0xf5, 0x6b, /* ptrel r25, tr0 */ | |
fbca6ad9 AO |
3137 | 0x50, 0x01, 0x00, 0xcc, /* movi reloc-offset >> 16, r21 */ |
3138 | 0x50, 0x01, 0x00, 0xc8, /* shori reloc-offset & 65535, r21 */ | |
3139 | 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */ | |
3140 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
3141 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
3142 | }; | |
3143 | ||
3144 | /* Entries in a PIC procedure linkage table look like this. */ | |
3145 | ||
3146 | static const bfd_byte elf_sh64_pic_plt_entry_be[PLT_ENTRY_SIZE] = | |
3147 | { | |
3148 | 0xcc, 0x00, 0x01, 0x90, /* movi nameN@GOT >> 16, r25 */ | |
3149 | 0xc8, 0x00, 0x01, 0x90, /* shori nameN@GOT & 65535, r25 */ | |
3150 | 0x40, 0xc3, 0x65, 0x90, /* ldx.q r12, r25, r25 */ | |
3151 | 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */ | |
3152 | 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */ | |
3153 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
3154 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
3155 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
3156 | 0xce, 0x00, 0x01, 0x10, /* movi -GOT_BIAS, r17 */ | |
0a4ef3f4 | 3157 | 0x00, 0xc9, 0x45, 0x10, /* add r12, r17, r17 */ |
fbca6ad9 AO |
3158 | 0x8d, 0x10, 0x09, 0x90, /* ld.q r17, 16, r25 */ |
3159 | 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */ | |
3160 | 0x8d, 0x10, 0x05, 0x10, /* ld.q r17, 8, r17 */ | |
3161 | 0xcc, 0x00, 0x01, 0x50, /* movi reloc-offset >> 16, r21 */ | |
3162 | 0xc8, 0x00, 0x01, 0x50, /* shori reloc-offset & 65535, r21 */ | |
3163 | 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */ | |
3164 | }; | |
3165 | ||
3166 | static const bfd_byte elf_sh64_pic_plt_entry_le[PLT_ENTRY_SIZE] = | |
3167 | { | |
3168 | 0x90, 0x01, 0x00, 0xcc, /* movi nameN@GOT >> 16, r25 */ | |
3169 | 0x90, 0x01, 0x00, 0xc8, /* shori nameN@GOT & 65535, r25 */ | |
3170 | 0x90, 0x65, 0xc3, 0x40, /* ldx.q r12, r25, r25 */ | |
3171 | 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */ | |
3172 | 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */ | |
3173 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
3174 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
3175 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
3176 | 0x10, 0x01, 0x00, 0xce, /* movi -GOT_BIAS, r17 */ | |
0a4ef3f4 | 3177 | 0x10, 0x45, 0xc9, 0x00, /* add r12, r17, r17 */ |
fbca6ad9 AO |
3178 | 0x90, 0x09, 0x10, 0x8d, /* ld.q r17, 16, r25 */ |
3179 | 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */ | |
3180 | 0x10, 0x05, 0x10, 0x8d, /* ld.q r17, 8, r17 */ | |
3181 | 0x50, 0x01, 0x00, 0xcc, /* movi reloc-offset >> 16, r21 */ | |
3182 | 0x50, 0x01, 0x00, 0xc8, /* shori reloc-offset & 65535, r21 */ | |
3183 | 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */ | |
3184 | }; | |
3185 | ||
3186 | static const bfd_byte *elf_sh64_plt0_entry; | |
3187 | static const bfd_byte *elf_sh64_plt_entry; | |
3188 | static const bfd_byte *elf_sh64_pic_plt_entry; | |
3189 | ||
3190 | /* Create an entry in an sh ELF linker hash table. */ | |
3191 | ||
3192 | static struct bfd_hash_entry * | |
3193 | sh64_elf64_link_hash_newfunc (entry, table, string) | |
3194 | struct bfd_hash_entry *entry; | |
3195 | struct bfd_hash_table *table; | |
3196 | const char *string; | |
3197 | { | |
3198 | struct elf_sh64_link_hash_entry *ret = | |
3199 | (struct elf_sh64_link_hash_entry *) entry; | |
3200 | ||
3201 | /* Allocate the structure if it has not already been allocated by a | |
3202 | subclass. */ | |
3203 | if (ret == (struct elf_sh64_link_hash_entry *) NULL) | |
3204 | ret = ((struct elf_sh64_link_hash_entry *) | |
3205 | bfd_hash_allocate (table, | |
3206 | sizeof (struct elf_sh64_link_hash_entry))); | |
3207 | if (ret == (struct elf_sh64_link_hash_entry *) NULL) | |
3208 | return (struct bfd_hash_entry *) ret; | |
3209 | ||
3210 | /* Call the allocation method of the superclass. */ | |
3211 | ret = ((struct elf_sh64_link_hash_entry *) | |
3212 | _bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret, | |
3213 | table, string)); | |
3214 | if (ret != (struct elf_sh64_link_hash_entry *) NULL) | |
3215 | { | |
3216 | ret->pcrel_relocs_copied = NULL; | |
3217 | ret->datalabel_got_offset = (bfd_vma) -1; | |
3218 | } | |
3219 | ||
3220 | return (struct bfd_hash_entry *) ret; | |
3221 | } | |
3222 | ||
3223 | /* Create an sh64 ELF linker hash table. */ | |
3224 | ||
3225 | static struct bfd_link_hash_table * | |
3226 | sh64_elf64_link_hash_table_create (abfd) | |
3227 | bfd *abfd; | |
3228 | { | |
3229 | struct elf_sh64_link_hash_table *ret; | |
3230 | ||
3231 | ret = ((struct elf_sh64_link_hash_table *) | |
e2d34d7d | 3232 | bfd_malloc (sizeof (struct elf_sh64_link_hash_table))); |
fbca6ad9 AO |
3233 | if (ret == (struct elf_sh64_link_hash_table *) NULL) |
3234 | return NULL; | |
3235 | ||
3236 | if (! _bfd_elf_link_hash_table_init (&ret->root, abfd, | |
3237 | sh64_elf64_link_hash_newfunc)) | |
3238 | { | |
e2d34d7d | 3239 | free (ret); |
fbca6ad9 AO |
3240 | return NULL; |
3241 | } | |
3242 | ||
3243 | return &ret->root.root; | |
3244 | } | |
3245 | ||
3246 | inline static void | |
3247 | movi_shori_putval (output_bfd, value, addr) | |
3248 | bfd *output_bfd; | |
3249 | unsigned long value; | |
3250 | char *addr; | |
3251 | { | |
3252 | bfd_put_32 (output_bfd, | |
3253 | bfd_get_32 (output_bfd, addr) | |
3254 | | ((value >> 6) & 0x3fffc00), | |
3255 | addr); | |
3256 | bfd_put_32 (output_bfd, | |
3257 | bfd_get_32 (output_bfd, addr + 4) | |
3258 | | ((value << 10) & 0x3fffc00), | |
3259 | addr + 4); | |
3260 | } | |
3261 | ||
3262 | inline static void | |
3263 | movi_3shori_putval (output_bfd, value, addr) | |
3264 | bfd *output_bfd; | |
3265 | bfd_vma value; | |
3266 | char *addr; | |
3267 | { | |
3268 | bfd_put_32 (output_bfd, | |
3269 | bfd_get_32 (output_bfd, addr) | |
3270 | | ((value >> 38) & 0x3fffc00), | |
3271 | addr); | |
3272 | bfd_put_32 (output_bfd, | |
3273 | bfd_get_32 (output_bfd, addr + 4) | |
3274 | | ((value >> 22) & 0x3fffc00), | |
3275 | addr + 4); | |
3276 | bfd_put_32 (output_bfd, | |
3277 | bfd_get_32 (output_bfd, addr + 8) | |
3278 | | ((value >> 6) & 0x3fffc00), | |
3279 | addr + 8); | |
3280 | bfd_put_32 (output_bfd, | |
3281 | bfd_get_32 (output_bfd, addr + 12) | |
3282 | | ((value << 10) & 0x3fffc00), | |
3283 | addr + 12); | |
3284 | } | |
3285 | ||
3286 | /* Create dynamic sections when linking against a dynamic object. */ | |
3287 | ||
b34976b6 | 3288 | static bfd_boolean |
fbca6ad9 AO |
3289 | sh64_elf64_create_dynamic_sections (abfd, info) |
3290 | bfd *abfd; | |
3291 | struct bfd_link_info *info; | |
3292 | { | |
3293 | flagword flags, pltflags; | |
3294 | register asection *s; | |
3295 | struct elf_backend_data *bed = get_elf_backend_data (abfd); | |
3296 | int ptralign = 0; | |
3297 | ||
3298 | switch (bed->s->arch_size) | |
3299 | { | |
3300 | case 32: | |
3301 | ptralign = 2; | |
3302 | break; | |
3303 | ||
3304 | case 64: | |
3305 | ptralign = 3; | |
3306 | break; | |
3307 | ||
3308 | default: | |
3309 | bfd_set_error (bfd_error_bad_value); | |
b34976b6 | 3310 | return FALSE; |
fbca6ad9 AO |
3311 | } |
3312 | ||
3313 | /* We need to create .plt, .rel[a].plt, .got, .got.plt, .dynbss, and | |
3314 | .rel[a].bss sections. */ | |
3315 | ||
3316 | flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY | |
3317 | | SEC_LINKER_CREATED); | |
3318 | ||
3319 | pltflags = flags; | |
3320 | pltflags |= SEC_CODE; | |
3321 | if (bed->plt_not_loaded) | |
3322 | pltflags &= ~ (SEC_LOAD | SEC_HAS_CONTENTS); | |
3323 | if (bed->plt_readonly) | |
3324 | pltflags |= SEC_READONLY; | |
3325 | ||
3326 | s = bfd_make_section (abfd, ".plt"); | |
3327 | if (s == NULL | |
3328 | || ! bfd_set_section_flags (abfd, s, pltflags) | |
3329 | || ! bfd_set_section_alignment (abfd, s, bed->plt_alignment)) | |
b34976b6 | 3330 | return FALSE; |
fbca6ad9 AO |
3331 | |
3332 | if (bed->want_plt_sym) | |
3333 | { | |
3334 | /* Define the symbol _PROCEDURE_LINKAGE_TABLE_ at the start of the | |
3335 | .plt section. */ | |
14a793b2 AM |
3336 | struct elf_link_hash_entry *h; |
3337 | struct bfd_link_hash_entry *bh = NULL; | |
3338 | ||
fbca6ad9 AO |
3339 | if (! (_bfd_generic_link_add_one_symbol |
3340 | (info, abfd, "_PROCEDURE_LINKAGE_TABLE_", BSF_GLOBAL, s, | |
b34976b6 AM |
3341 | (bfd_vma) 0, (const char *) NULL, FALSE, bed->collect, &bh))) |
3342 | return FALSE; | |
14a793b2 AM |
3343 | |
3344 | h = (struct elf_link_hash_entry *) bh; | |
fbca6ad9 AO |
3345 | h->elf_link_hash_flags |= ELF_LINK_HASH_DEF_REGULAR; |
3346 | h->type = STT_OBJECT; | |
3347 | ||
3348 | if (info->shared | |
3349 | && ! _bfd_elf_link_record_dynamic_symbol (info, h)) | |
b34976b6 | 3350 | return FALSE; |
fbca6ad9 AO |
3351 | } |
3352 | ||
3353 | s = bfd_make_section (abfd, | |
3354 | bed->default_use_rela_p ? ".rela.plt" : ".rel.plt"); | |
3355 | if (s == NULL | |
3356 | || ! bfd_set_section_flags (abfd, s, flags | SEC_READONLY) | |
3357 | || ! bfd_set_section_alignment (abfd, s, ptralign)) | |
b34976b6 | 3358 | return FALSE; |
fbca6ad9 AO |
3359 | |
3360 | if (! _bfd_elf_create_got_section (abfd, info)) | |
b34976b6 | 3361 | return FALSE; |
fbca6ad9 AO |
3362 | |
3363 | { | |
3364 | const char *secname; | |
3365 | char *relname; | |
3366 | flagword secflags; | |
3367 | asection *sec; | |
3368 | ||
3369 | for (sec = abfd->sections; sec; sec = sec->next) | |
3370 | { | |
3371 | secflags = bfd_get_section_flags (abfd, sec); | |
3372 | if ((secflags & (SEC_DATA | SEC_LINKER_CREATED)) | |
3373 | || ((secflags & SEC_HAS_CONTENTS) != SEC_HAS_CONTENTS)) | |
3374 | continue; | |
3375 | secname = bfd_get_section_name (abfd, sec); | |
3376 | relname = (char *) bfd_malloc (strlen (secname) + 6); | |
3377 | strcpy (relname, ".rela"); | |
3378 | strcat (relname, secname); | |
3379 | s = bfd_make_section (abfd, relname); | |
3380 | if (s == NULL | |
3381 | || ! bfd_set_section_flags (abfd, s, flags | SEC_READONLY) | |
3382 | || ! bfd_set_section_alignment (abfd, s, ptralign)) | |
b34976b6 | 3383 | return FALSE; |
fbca6ad9 AO |
3384 | } |
3385 | } | |
3386 | ||
3387 | if (bed->want_dynbss) | |
3388 | { | |
3389 | /* The .dynbss section is a place to put symbols which are defined | |
3390 | by dynamic objects, are referenced by regular objects, and are | |
3391 | not functions. We must allocate space for them in the process | |
3392 | image and use a R_*_COPY reloc to tell the dynamic linker to | |
3393 | initialize them at run time. The linker script puts the .dynbss | |
3394 | section into the .bss section of the final image. */ | |
3395 | s = bfd_make_section (abfd, ".dynbss"); | |
3396 | if (s == NULL | |
3397 | || ! bfd_set_section_flags (abfd, s, SEC_ALLOC)) | |
b34976b6 | 3398 | return FALSE; |
fbca6ad9 AO |
3399 | |
3400 | /* The .rel[a].bss section holds copy relocs. This section is not | |
3401 | normally needed. We need to create it here, though, so that the | |
3402 | linker will map it to an output section. We can't just create it | |
3403 | only if we need it, because we will not know whether we need it | |
3404 | until we have seen all the input files, and the first time the | |
3405 | main linker code calls BFD after examining all the input files | |
3406 | (size_dynamic_sections) the input sections have already been | |
3407 | mapped to the output sections. If the section turns out not to | |
3408 | be needed, we can discard it later. We will never need this | |
3409 | section when generating a shared object, since they do not use | |
3410 | copy relocs. */ | |
3411 | if (! info->shared) | |
3412 | { | |
3413 | s = bfd_make_section (abfd, | |
3414 | (bed->default_use_rela_p | |
3415 | ? ".rela.bss" : ".rel.bss")); | |
3416 | if (s == NULL | |
3417 | || ! bfd_set_section_flags (abfd, s, flags | SEC_READONLY) | |
3418 | || ! bfd_set_section_alignment (abfd, s, ptralign)) | |
b34976b6 | 3419 | return FALSE; |
fbca6ad9 AO |
3420 | } |
3421 | } | |
3422 | ||
b34976b6 | 3423 | return TRUE; |
fbca6ad9 AO |
3424 | } |
3425 | \f | |
3426 | /* Adjust a symbol defined by a dynamic object and referenced by a | |
3427 | regular object. The current definition is in some section of the | |
3428 | dynamic object, but we're not including those sections. We have to | |
3429 | change the definition to something the rest of the link can | |
3430 | understand. */ | |
3431 | ||
b34976b6 | 3432 | static bfd_boolean |
fbca6ad9 AO |
3433 | sh64_elf64_adjust_dynamic_symbol (info, h) |
3434 | struct bfd_link_info *info; | |
3435 | struct elf_link_hash_entry *h; | |
3436 | { | |
3437 | bfd *dynobj; | |
3438 | asection *s; | |
3439 | unsigned int power_of_two; | |
3440 | ||
3441 | dynobj = elf_hash_table (info)->dynobj; | |
3442 | ||
3443 | /* Make sure we know what is going on here. */ | |
3444 | BFD_ASSERT (dynobj != NULL | |
3445 | && ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT) | |
3446 | || h->weakdef != NULL | |
3447 | || ((h->elf_link_hash_flags | |
3448 | & ELF_LINK_HASH_DEF_DYNAMIC) != 0 | |
3449 | && (h->elf_link_hash_flags | |
3450 | & ELF_LINK_HASH_REF_REGULAR) != 0 | |
3451 | && (h->elf_link_hash_flags | |
3452 | & ELF_LINK_HASH_DEF_REGULAR) == 0))); | |
3453 | ||
3454 | /* If this is a function, put it in the procedure linkage table. We | |
3455 | will fill in the contents of the procedure linkage table later, | |
3456 | when we know the address of the .got section. */ | |
3457 | if (h->type == STT_FUNC | |
3458 | || (h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT) != 0) | |
3459 | { | |
3460 | if (! info->shared | |
3461 | && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) == 0 | |
3462 | && (h->elf_link_hash_flags & ELF_LINK_HASH_REF_DYNAMIC) == 0) | |
3463 | { | |
3464 | /* This case can occur if we saw a PLT reloc in an input | |
3465 | file, but the symbol was never referred to by a dynamic | |
3466 | object. In such a case, we don't actually need to build | |
3467 | a procedure linkage table, and we can just do a REL64 | |
3468 | reloc instead. */ | |
3469 | BFD_ASSERT ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT) != 0); | |
b34976b6 | 3470 | return TRUE; |
fbca6ad9 AO |
3471 | } |
3472 | ||
3473 | /* Make sure this symbol is output as a dynamic symbol. */ | |
3474 | if (h->dynindx == -1) | |
3475 | { | |
3476 | if (! bfd_elf64_link_record_dynamic_symbol (info, h)) | |
b34976b6 | 3477 | return FALSE; |
fbca6ad9 AO |
3478 | } |
3479 | ||
3480 | s = bfd_get_section_by_name (dynobj, ".plt"); | |
3481 | BFD_ASSERT (s != NULL); | |
3482 | ||
3483 | /* If this is the first .plt entry, make room for the special | |
3484 | first entry. */ | |
3485 | if (s->_raw_size == 0) | |
3486 | s->_raw_size += PLT_ENTRY_SIZE; | |
3487 | ||
3488 | /* If this symbol is not defined in a regular file, and we are | |
3489 | not generating a shared library, then set the symbol to this | |
3490 | location in the .plt. This is required to make function | |
3491 | pointers compare as equal between the normal executable and | |
3492 | the shared library. */ | |
3493 | if (! info->shared | |
3494 | && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0) | |
3495 | { | |
3496 | h->root.u.def.section = s; | |
3497 | h->root.u.def.value = s->_raw_size; | |
3498 | } | |
3499 | ||
3500 | h->plt.offset = s->_raw_size; | |
3501 | ||
3502 | /* Make room for this entry. */ | |
3503 | s->_raw_size += elf_sh64_sizeof_plt (info); | |
3504 | ||
3505 | /* We also need to make an entry in the .got.plt section, which | |
3506 | will be placed in the .got section by the linker script. */ | |
3507 | ||
3508 | s = bfd_get_section_by_name (dynobj, ".got.plt"); | |
3509 | BFD_ASSERT (s != NULL); | |
3510 | s->_raw_size += 8; | |
3511 | ||
3512 | /* We also need to make an entry in the .rela.plt section. */ | |
3513 | ||
3514 | s = bfd_get_section_by_name (dynobj, ".rela.plt"); | |
3515 | BFD_ASSERT (s != NULL); | |
3516 | s->_raw_size += sizeof (Elf64_External_Rela); | |
3517 | ||
b34976b6 | 3518 | return TRUE; |
fbca6ad9 AO |
3519 | } |
3520 | ||
3521 | /* If this is a weak symbol, and there is a real definition, the | |
3522 | processor independent code will have arranged for us to see the | |
3523 | real definition first, and we can just use the same value. */ | |
3524 | if (h->weakdef != NULL) | |
3525 | { | |
3526 | BFD_ASSERT (h->weakdef->root.type == bfd_link_hash_defined | |
3527 | || h->weakdef->root.type == bfd_link_hash_defweak); | |
3528 | h->root.u.def.section = h->weakdef->root.u.def.section; | |
3529 | h->root.u.def.value = h->weakdef->root.u.def.value; | |
b34976b6 | 3530 | return TRUE; |
fbca6ad9 AO |
3531 | } |
3532 | ||
3533 | /* This is a reference to a symbol defined by a dynamic object which | |
3534 | is not a function. */ | |
3535 | ||
3536 | /* If we are creating a shared library, we must presume that the | |
3537 | only references to the symbol are via the global offset table. | |
3538 | For such cases we need not do anything here; the relocations will | |
3539 | be handled correctly by relocate_section. */ | |
3540 | if (info->shared) | |
b34976b6 | 3541 | return TRUE; |
fbca6ad9 AO |
3542 | |
3543 | /* If there are no references to this symbol that do not use the | |
3544 | GOT, we don't need to generate a copy reloc. */ | |
3545 | if ((h->elf_link_hash_flags & ELF_LINK_NON_GOT_REF) == 0) | |
b34976b6 | 3546 | return TRUE; |
fbca6ad9 AO |
3547 | |
3548 | /* We must allocate the symbol in our .dynbss section, which will | |
3549 | become part of the .bss section of the executable. There will be | |
3550 | an entry for this symbol in the .dynsym section. The dynamic | |
3551 | object will contain position independent code, so all references | |
3552 | from the dynamic object to this symbol will go through the global | |
3553 | offset table. The dynamic linker will use the .dynsym entry to | |
3554 | determine the address it must put in the global offset table, so | |
3555 | both the dynamic object and the regular object will refer to the | |
3556 | same memory location for the variable. */ | |
3557 | ||
3558 | s = bfd_get_section_by_name (dynobj, ".dynbss"); | |
3559 | BFD_ASSERT (s != NULL); | |
3560 | ||
3561 | /* We must generate a R_SH_COPY reloc to tell the dynamic linker to | |
3562 | copy the initial value out of the dynamic object and into the | |
3563 | runtime process image. We need to remember the offset into the | |
3564 | .rela.bss section we are going to use. */ | |
3565 | if ((h->root.u.def.section->flags & SEC_ALLOC) != 0) | |
3566 | { | |
3567 | asection *srel; | |
3568 | ||
3569 | srel = bfd_get_section_by_name (dynobj, ".rela.bss"); | |
3570 | BFD_ASSERT (srel != NULL); | |
3571 | srel->_raw_size += sizeof (Elf64_External_Rela); | |
3572 | h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_COPY; | |
3573 | } | |
3574 | ||
3575 | /* We need to figure out the alignment required for this symbol. I | |
3576 | have no idea how ELF linkers handle this. */ | |
3577 | power_of_two = bfd_log2 (h->size); | |
3578 | if (power_of_two > 3) | |
3579 | power_of_two = 3; | |
3580 | ||
3581 | /* Apply the required alignment. */ | |
3582 | s->_raw_size = BFD_ALIGN (s->_raw_size, | |
3583 | (bfd_size_type) (1 << power_of_two)); | |
3584 | if (power_of_two > bfd_get_section_alignment (dynobj, s)) | |
3585 | { | |
3586 | if (! bfd_set_section_alignment (dynobj, s, power_of_two)) | |
b34976b6 | 3587 | return FALSE; |
fbca6ad9 AO |
3588 | } |
3589 | ||
3590 | /* Define the symbol as being at this point in the section. */ | |
3591 | h->root.u.def.section = s; | |
3592 | h->root.u.def.value = s->_raw_size; | |
3593 | ||
3594 | /* Increment the section size to make room for the symbol. */ | |
3595 | s->_raw_size += h->size; | |
3596 | ||
b34976b6 | 3597 | return TRUE; |
fbca6ad9 AO |
3598 | } |
3599 | ||
3600 | /* This function is called via sh_elf_link_hash_traverse if we are | |
3601 | creating a shared object with -Bsymbolic. It discards the space | |
3602 | allocated to copy PC relative relocs against symbols which are | |
3603 | defined in regular objects. We allocated space for them in the | |
3604 | check_relocs routine, but we won't fill them in in the | |
3605 | relocate_section routine. */ | |
3606 | ||
b34976b6 | 3607 | static bfd_boolean |
fbca6ad9 AO |
3608 | sh64_elf64_discard_copies (h, ignore) |
3609 | struct elf_sh64_link_hash_entry *h; | |
3610 | PTR ignore ATTRIBUTE_UNUSED; | |
3611 | { | |
3612 | struct elf_sh64_pcrel_relocs_copied *s; | |
3613 | ||
e92d460e AM |
3614 | if (h->root.root.type == bfd_link_hash_warning) |
3615 | h = (struct elf_sh64_link_hash_entry *) h->root.root.u.i.link; | |
3616 | ||
fbca6ad9 AO |
3617 | /* We only discard relocs for symbols defined in a regular object. */ |
3618 | if ((h->root.elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0) | |
b34976b6 | 3619 | return TRUE; |
fbca6ad9 AO |
3620 | |
3621 | for (s = h->pcrel_relocs_copied; s != NULL; s = s->next) | |
3622 | s->section->_raw_size -= s->count * sizeof (Elf64_External_Rela); | |
3623 | ||
b34976b6 | 3624 | return TRUE; |
fbca6ad9 AO |
3625 | } |
3626 | ||
3627 | /* Set the sizes of the dynamic sections. */ | |
3628 | ||
b34976b6 | 3629 | static bfd_boolean |
fbca6ad9 AO |
3630 | sh64_elf64_size_dynamic_sections (output_bfd, info) |
3631 | bfd *output_bfd; | |
3632 | struct bfd_link_info *info; | |
3633 | { | |
3634 | bfd *dynobj; | |
3635 | asection *s; | |
b34976b6 AM |
3636 | bfd_boolean plt; |
3637 | bfd_boolean relocs; | |
3638 | bfd_boolean reltext; | |
fbca6ad9 AO |
3639 | |
3640 | dynobj = elf_hash_table (info)->dynobj; | |
3641 | BFD_ASSERT (dynobj != NULL); | |
3642 | ||
3643 | if (elf_hash_table (info)->dynamic_sections_created) | |
3644 | { | |
3645 | /* Set the contents of the .interp section to the interpreter. */ | |
3646 | if (! info->shared) | |
3647 | { | |
3648 | s = bfd_get_section_by_name (dynobj, ".interp"); | |
3649 | BFD_ASSERT (s != NULL); | |
3650 | s->_raw_size = sizeof ELF_DYNAMIC_INTERPRETER; | |
3651 | s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER; | |
3652 | } | |
3653 | } | |
3654 | else | |
3655 | { | |
3656 | /* We may have created entries in the .rela.got section. | |
3657 | However, if we are not creating the dynamic sections, we will | |
3658 | not actually use these entries. Reset the size of .rela.got, | |
3659 | which will cause it to get stripped from the output file | |
3660 | below. */ | |
3661 | s = bfd_get_section_by_name (dynobj, ".rela.got"); | |
3662 | if (s != NULL) | |
3663 | s->_raw_size = 0; | |
3664 | } | |
3665 | ||
3666 | /* If this is a -Bsymbolic shared link, then we need to discard all | |
3667 | PC relative relocs against symbols defined in a regular object. | |
3668 | We allocated space for them in the check_relocs routine, but we | |
3669 | will not fill them in in the relocate_section routine. */ | |
3670 | if (info->shared && info->symbolic) | |
3671 | sh64_elf64_link_hash_traverse (sh64_elf64_hash_table (info), | |
3672 | sh64_elf64_discard_copies, | |
3673 | (PTR) NULL); | |
3674 | ||
3675 | /* The check_relocs and adjust_dynamic_symbol entry points have | |
3676 | determined the sizes of the various dynamic sections. Allocate | |
3677 | memory for them. */ | |
b34976b6 AM |
3678 | plt = FALSE; |
3679 | relocs = FALSE; | |
3680 | reltext = FALSE; | |
fbca6ad9 AO |
3681 | for (s = dynobj->sections; s != NULL; s = s->next) |
3682 | { | |
3683 | const char *name; | |
b34976b6 | 3684 | bfd_boolean strip; |
fbca6ad9 AO |
3685 | |
3686 | if ((s->flags & SEC_LINKER_CREATED) == 0) | |
3687 | continue; | |
3688 | ||
3689 | /* It's OK to base decisions on the section name, because none | |
3690 | of the dynobj section names depend upon the input files. */ | |
3691 | name = bfd_get_section_name (dynobj, s); | |
3692 | ||
b34976b6 | 3693 | strip = FALSE; |
fbca6ad9 AO |
3694 | |
3695 | if (strcmp (name, ".plt") == 0) | |
3696 | { | |
3697 | if (s->_raw_size == 0) | |
3698 | { | |
3699 | /* Strip this section if we don't need it; see the | |
3700 | comment below. */ | |
b34976b6 | 3701 | strip = TRUE; |
fbca6ad9 AO |
3702 | } |
3703 | else | |
3704 | { | |
3705 | /* Remember whether there is a PLT. */ | |
b34976b6 | 3706 | plt = TRUE; |
fbca6ad9 AO |
3707 | } |
3708 | } | |
3709 | else if (strncmp (name, ".rela", 5) == 0) | |
3710 | { | |
3711 | if (s->_raw_size == 0) | |
3712 | { | |
3713 | /* If we don't need this section, strip it from the | |
3714 | output file. This is mostly to handle .rela.bss and | |
3715 | .rela.plt. We must create both sections in | |
3716 | create_dynamic_sections, because they must be created | |
3717 | before the linker maps input sections to output | |
3718 | sections. The linker does that before | |
3719 | adjust_dynamic_symbol is called, and it is that | |
3720 | function which decides whether anything needs to go | |
3721 | into these sections. */ | |
b34976b6 | 3722 | strip = TRUE; |
fbca6ad9 AO |
3723 | } |
3724 | else | |
3725 | { | |
3726 | asection *target; | |
3727 | ||
3728 | /* Remember whether there are any reloc sections other | |
3729 | than .rela.plt. */ | |
3730 | if (strcmp (name, ".rela.plt") != 0) | |
3731 | { | |
3732 | const char *outname; | |
3733 | ||
b34976b6 | 3734 | relocs = TRUE; |
fbca6ad9 AO |
3735 | |
3736 | /* If this relocation section applies to a read only | |
3737 | section, then we probably need a DT_TEXTREL | |
3738 | entry. The entries in the .rela.plt section | |
3739 | really apply to the .got section, which we | |
3740 | created ourselves and so know is not readonly. */ | |
3741 | outname = bfd_get_section_name (output_bfd, | |
3742 | s->output_section); | |
3743 | target = bfd_get_section_by_name (output_bfd, outname + 5); | |
3744 | if (target != NULL | |
3745 | && (target->flags & SEC_READONLY) != 0 | |
3746 | && (target->flags & SEC_ALLOC) != 0) | |
b34976b6 | 3747 | reltext = TRUE; |
fbca6ad9 AO |
3748 | } |
3749 | ||
3750 | /* We use the reloc_count field as a counter if we need | |
3751 | to copy relocs into the output file. */ | |
3752 | s->reloc_count = 0; | |
3753 | } | |
3754 | } | |
3755 | else if (strncmp (name, ".got", 4) != 0) | |
3756 | { | |
3757 | /* It's not one of our sections, so don't allocate space. */ | |
3758 | continue; | |
3759 | } | |
3760 | ||
3761 | if (strip) | |
3762 | { | |
3763 | _bfd_strip_section_from_output (info, s); | |
3764 | continue; | |
3765 | } | |
3766 | ||
3767 | /* Allocate memory for the section contents. */ | |
957dcaa8 | 3768 | s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->_raw_size); |
fbca6ad9 | 3769 | if (s->contents == NULL && s->_raw_size != 0) |
b34976b6 | 3770 | return FALSE; |
fbca6ad9 AO |
3771 | } |
3772 | ||
3773 | if (elf_hash_table (info)->dynamic_sections_created) | |
3774 | { | |
3775 | /* Add some entries to the .dynamic section. We fill in the | |
3776 | values later, in sh64_elf64_finish_dynamic_sections, but we | |
3777 | must add the entries now so that we get the correct size for | |
3778 | the .dynamic section. The DT_DEBUG entry is filled in by the | |
3779 | dynamic linker and used by the debugger. */ | |
3780 | if (! info->shared) | |
3781 | { | |
3782 | if (! bfd_elf64_add_dynamic_entry (info, DT_DEBUG, 0)) | |
b34976b6 | 3783 | return FALSE; |
fbca6ad9 AO |
3784 | } |
3785 | ||
3786 | if (plt) | |
3787 | { | |
3788 | if (! bfd_elf64_add_dynamic_entry (info, DT_PLTGOT, 0) | |
3789 | || ! bfd_elf64_add_dynamic_entry (info, DT_PLTRELSZ, 0) | |
3790 | || ! bfd_elf64_add_dynamic_entry (info, DT_PLTREL, DT_RELA) | |
3791 | || ! bfd_elf64_add_dynamic_entry (info, DT_JMPREL, 0)) | |
b34976b6 | 3792 | return FALSE; |
fbca6ad9 AO |
3793 | } |
3794 | ||
3795 | if (relocs) | |
3796 | { | |
3797 | if (! bfd_elf64_add_dynamic_entry (info, DT_RELA, 0) | |
3798 | || ! bfd_elf64_add_dynamic_entry (info, DT_RELASZ, 0) | |
3799 | || ! bfd_elf64_add_dynamic_entry (info, DT_RELAENT, | |
3800 | sizeof (Elf64_External_Rela))) | |
b34976b6 | 3801 | return FALSE; |
fbca6ad9 AO |
3802 | } |
3803 | ||
3804 | if (reltext) | |
3805 | { | |
3806 | if (! bfd_elf64_add_dynamic_entry (info, DT_TEXTREL, 0)) | |
b34976b6 | 3807 | return FALSE; |
fbca6ad9 AO |
3808 | } |
3809 | } | |
3810 | ||
b34976b6 | 3811 | return TRUE; |
fbca6ad9 AO |
3812 | } |
3813 | ||
3814 | /* Finish up dynamic symbol handling. We set the contents of various | |
3815 | dynamic sections here. */ | |
3816 | ||
b34976b6 | 3817 | static bfd_boolean |
fbca6ad9 AO |
3818 | sh64_elf64_finish_dynamic_symbol (output_bfd, info, h, sym) |
3819 | bfd *output_bfd; | |
3820 | struct bfd_link_info *info; | |
3821 | struct elf_link_hash_entry *h; | |
3822 | Elf_Internal_Sym *sym; | |
3823 | { | |
3824 | bfd *dynobj; | |
3825 | ||
3826 | dynobj = elf_hash_table (info)->dynobj; | |
3827 | ||
3828 | if (h->plt.offset != (bfd_vma) -1) | |
3829 | { | |
3830 | asection *splt; | |
3831 | asection *sgot; | |
3832 | asection *srel; | |
3833 | ||
3834 | bfd_vma plt_index; | |
3835 | bfd_vma got_offset; | |
3836 | Elf_Internal_Rela rel; | |
947216bf | 3837 | bfd_byte *loc; |
fbca6ad9 AO |
3838 | |
3839 | /* This symbol has an entry in the procedure linkage table. Set | |
3840 | it up. */ | |
3841 | ||
3842 | BFD_ASSERT (h->dynindx != -1); | |
3843 | ||
3844 | splt = bfd_get_section_by_name (dynobj, ".plt"); | |
3845 | sgot = bfd_get_section_by_name (dynobj, ".got.plt"); | |
3846 | srel = bfd_get_section_by_name (dynobj, ".rela.plt"); | |
3847 | BFD_ASSERT (splt != NULL && sgot != NULL && srel != NULL); | |
3848 | ||
3849 | /* Get the index in the procedure linkage table which | |
3850 | corresponds to this symbol. This is the index of this symbol | |
3851 | in all the symbols for which we are making plt entries. The | |
3852 | first entry in the procedure linkage table is reserved. */ | |
3853 | plt_index = h->plt.offset / elf_sh64_sizeof_plt (info) - 1; | |
3854 | ||
3855 | /* Get the offset into the .got table of the entry that | |
3856 | corresponds to this function. Each .got entry is 8 bytes. | |
3857 | The first three are reserved. */ | |
3858 | got_offset = (plt_index + 3) * 8; | |
3859 | ||
c8614e8e AM |
3860 | if (info->shared) |
3861 | got_offset -= GOT_BIAS; | |
fbca6ad9 AO |
3862 | |
3863 | /* Fill in the entry in the procedure linkage table. */ | |
3864 | if (! info->shared) | |
3865 | { | |
3866 | if (elf_sh64_plt_entry == NULL) | |
3867 | { | |
3868 | elf_sh64_plt_entry = (bfd_big_endian (output_bfd) ? | |
3869 | elf_sh64_plt_entry_be : elf_sh64_plt_entry_le); | |
3870 | } | |
3871 | memcpy (splt->contents + h->plt.offset, elf_sh64_plt_entry, | |
3872 | elf_sh64_sizeof_plt (info)); | |
3873 | movi_3shori_putval (output_bfd, | |
3874 | (sgot->output_section->vma | |
3875 | + sgot->output_offset | |
3876 | + got_offset), | |
3877 | (splt->contents + h->plt.offset | |
3878 | + elf_sh64_plt_symbol_offset (info))); | |
3879 | ||
c8614e8e | 3880 | /* Set bottom bit because its for a branch to SHmedia */ |
fbca6ad9 | 3881 | movi_shori_putval (output_bfd, |
c8614e8e AM |
3882 | -(h->plt.offset |
3883 | + elf_sh64_plt_plt0_offset (info) + 8) | |
3884 | | 1, | |
fbca6ad9 AO |
3885 | (splt->contents + h->plt.offset |
3886 | + elf_sh64_plt_plt0_offset (info))); | |
3887 | } | |
3888 | else | |
3889 | { | |
3890 | if (elf_sh64_pic_plt_entry == NULL) | |
3891 | { | |
3892 | elf_sh64_pic_plt_entry = (bfd_big_endian (output_bfd) ? | |
3893 | elf_sh64_pic_plt_entry_be : | |
3894 | elf_sh64_pic_plt_entry_le); | |
3895 | } | |
3896 | memcpy (splt->contents + h->plt.offset, elf_sh64_pic_plt_entry, | |
3897 | elf_sh64_sizeof_plt (info)); | |
3898 | movi_shori_putval (output_bfd, got_offset, | |
3899 | (splt->contents + h->plt.offset | |
3900 | + elf_sh64_plt_symbol_offset (info))); | |
3901 | } | |
3902 | ||
c8614e8e AM |
3903 | if (info->shared) |
3904 | got_offset += GOT_BIAS; | |
fbca6ad9 AO |
3905 | |
3906 | movi_shori_putval (output_bfd, | |
3907 | plt_index * sizeof (Elf64_External_Rela), | |
3908 | (splt->contents + h->plt.offset | |
3909 | + elf_sh64_plt_reloc_offset (info))); | |
3910 | ||
3911 | /* Fill in the entry in the global offset table. */ | |
3912 | bfd_put_64 (output_bfd, | |
3913 | (splt->output_section->vma | |
3914 | + splt->output_offset | |
3915 | + h->plt.offset | |
3916 | + elf_sh64_plt_temp_offset (info)), | |
3917 | sgot->contents + got_offset); | |
3918 | ||
3919 | /* Fill in the entry in the .rela.plt section. */ | |
3920 | rel.r_offset = (sgot->output_section->vma | |
3921 | + sgot->output_offset | |
3922 | + got_offset); | |
3923 | rel.r_info = ELF64_R_INFO (h->dynindx, R_SH_JMP_SLOT64); | |
3924 | rel.r_addend = 0; | |
3925 | rel.r_addend = GOT_BIAS; | |
947216bf AM |
3926 | loc = srel->contents + plt_index * sizeof (Elf64_External_Rela); |
3927 | bfd_elf64_swap_reloca_out (output_bfd, &rel, loc); | |
fbca6ad9 AO |
3928 | |
3929 | if ((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0) | |
3930 | { | |
3931 | /* Mark the symbol as undefined, rather than as defined in | |
3932 | the .plt section. Leave the value alone. */ | |
3933 | sym->st_shndx = SHN_UNDEF; | |
3934 | } | |
3935 | } | |
3936 | ||
3937 | if (h->got.offset != (bfd_vma) -1) | |
3938 | { | |
3939 | asection *sgot; | |
3940 | asection *srel; | |
3941 | Elf_Internal_Rela rel; | |
947216bf | 3942 | bfd_byte *loc; |
fbca6ad9 AO |
3943 | |
3944 | /* This symbol has an entry in the global offset table. Set it | |
3945 | up. */ | |
3946 | ||
3947 | sgot = bfd_get_section_by_name (dynobj, ".got"); | |
3948 | srel = bfd_get_section_by_name (dynobj, ".rela.got"); | |
3949 | BFD_ASSERT (sgot != NULL && srel != NULL); | |
3950 | ||
3951 | rel.r_offset = (sgot->output_section->vma | |
3952 | + sgot->output_offset | |
3953 | + (h->got.offset &~ 1)); | |
3954 | ||
3955 | /* If this is a -Bsymbolic link, and the symbol is defined | |
3956 | locally, we just want to emit a RELATIVE reloc. Likewise if | |
3957 | the symbol was forced to be local because of a version file. | |
3958 | The entry in the global offset table will already have been | |
3959 | initialized in the relocate_section function. */ | |
3960 | if (info->shared | |
3961 | && (info->symbolic || h->dynindx == -1) | |
3962 | && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR)) | |
3963 | { | |
3964 | rel.r_info = ELF64_R_INFO (0, R_SH_RELATIVE64); | |
3965 | rel.r_addend = (h->root.u.def.value | |
3966 | + h->root.u.def.section->output_section->vma | |
3967 | + h->root.u.def.section->output_offset); | |
3968 | } | |
3969 | else | |
3970 | { | |
3971 | bfd_put_64 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset); | |
3972 | rel.r_info = ELF64_R_INFO (h->dynindx, R_SH_GLOB_DAT64); | |
3973 | rel.r_addend = 0; | |
3974 | } | |
3975 | ||
947216bf AM |
3976 | loc = srel->contents; |
3977 | loc += srel->reloc_count++ * sizeof (Elf64_External_Rela); | |
3978 | bfd_elf64_swap_reloca_out (output_bfd, &rel, loc); | |
fbca6ad9 AO |
3979 | } |
3980 | ||
3981 | if ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_COPY) != 0) | |
3982 | { | |
3983 | asection *s; | |
3984 | Elf_Internal_Rela rel; | |
947216bf | 3985 | bfd_byte *loc; |
fbca6ad9 AO |
3986 | |
3987 | /* This symbol needs a copy reloc. Set it up. */ | |
3988 | ||
3989 | BFD_ASSERT (h->dynindx != -1 | |
3990 | && (h->root.type == bfd_link_hash_defined | |
3991 | || h->root.type == bfd_link_hash_defweak)); | |
3992 | ||
3993 | s = bfd_get_section_by_name (h->root.u.def.section->owner, | |
3994 | ".rela.bss"); | |
3995 | BFD_ASSERT (s != NULL); | |
3996 | ||
3997 | rel.r_offset = (h->root.u.def.value | |
3998 | + h->root.u.def.section->output_section->vma | |
3999 | + h->root.u.def.section->output_offset); | |
4000 | rel.r_info = ELF64_R_INFO (h->dynindx, R_SH_COPY64); | |
4001 | rel.r_addend = 0; | |
947216bf AM |
4002 | loc = s->contents; |
4003 | loc += s->reloc_count++ * sizeof (Elf64_External_Rela); | |
4004 | bfd_elf64_swap_reloca_out (output_bfd, &rel, loc); | |
fbca6ad9 AO |
4005 | } |
4006 | ||
4007 | /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. */ | |
4008 | if (strcmp (h->root.root.string, "_DYNAMIC") == 0 | |
4009 | || strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0) | |
4010 | sym->st_shndx = SHN_ABS; | |
4011 | ||
b34976b6 | 4012 | return TRUE; |
fbca6ad9 AO |
4013 | } |
4014 | ||
4015 | /* Finish up the dynamic sections. */ | |
4016 | ||
b34976b6 | 4017 | static bfd_boolean |
fbca6ad9 AO |
4018 | sh64_elf64_finish_dynamic_sections (output_bfd, info) |
4019 | bfd *output_bfd; | |
4020 | struct bfd_link_info *info; | |
4021 | { | |
4022 | bfd *dynobj; | |
4023 | asection *sgot; | |
4024 | asection *sdyn; | |
4025 | ||
4026 | dynobj = elf_hash_table (info)->dynobj; | |
4027 | ||
4028 | sgot = bfd_get_section_by_name (dynobj, ".got.plt"); | |
4029 | BFD_ASSERT (sgot != NULL); | |
4030 | sdyn = bfd_get_section_by_name (dynobj, ".dynamic"); | |
4031 | ||
4032 | if (elf_hash_table (info)->dynamic_sections_created) | |
4033 | { | |
4034 | asection *splt; | |
4035 | Elf64_External_Dyn *dyncon, *dynconend; | |
4036 | ||
4037 | BFD_ASSERT (sdyn != NULL); | |
4038 | ||
4039 | dyncon = (Elf64_External_Dyn *) sdyn->contents; | |
4040 | dynconend = (Elf64_External_Dyn *) (sdyn->contents + sdyn->_raw_size); | |
4041 | for (; dyncon < dynconend; dyncon++) | |
4042 | { | |
4043 | Elf_Internal_Dyn dyn; | |
4044 | const char *name; | |
4045 | asection *s; | |
3b587c71 | 4046 | struct elf_link_hash_entry *h; |
fbca6ad9 AO |
4047 | |
4048 | bfd_elf64_swap_dyn_in (dynobj, dyncon, &dyn); | |
4049 | ||
4050 | switch (dyn.d_tag) | |
4051 | { | |
4052 | default: | |
4053 | break; | |
4054 | ||
3b587c71 AM |
4055 | case DT_INIT: |
4056 | name = info->init_function; | |
4057 | goto get_sym; | |
4058 | ||
4059 | case DT_FINI: | |
4060 | name = info->fini_function; | |
4061 | get_sym: | |
4062 | if (dyn.d_un.d_val != 0) | |
4063 | { | |
4064 | h = elf_link_hash_lookup (elf_hash_table (info), name, | |
b34976b6 | 4065 | FALSE, FALSE, TRUE); |
3b587c71 AM |
4066 | if (h != NULL && (h->other & STO_SH5_ISA32)) |
4067 | { | |
4068 | dyn.d_un.d_val |= 1; | |
4069 | bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon); | |
4070 | } | |
4071 | } | |
4072 | break; | |
4073 | ||
fbca6ad9 AO |
4074 | case DT_PLTGOT: |
4075 | name = ".got"; | |
4076 | goto get_vma; | |
4077 | ||
4078 | case DT_JMPREL: | |
4079 | name = ".rela.plt"; | |
4080 | get_vma: | |
4081 | s = bfd_get_section_by_name (output_bfd, name); | |
4082 | BFD_ASSERT (s != NULL); | |
4083 | dyn.d_un.d_ptr = s->vma; | |
4084 | bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon); | |
4085 | break; | |
4086 | ||
4087 | case DT_PLTRELSZ: | |
4088 | s = bfd_get_section_by_name (output_bfd, ".rela.plt"); | |
4089 | BFD_ASSERT (s != NULL); | |
4090 | if (s->_cooked_size != 0) | |
4091 | dyn.d_un.d_val = s->_cooked_size; | |
4092 | else | |
4093 | dyn.d_un.d_val = s->_raw_size; | |
4094 | bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon); | |
4095 | break; | |
4096 | ||
4097 | case DT_RELASZ: | |
4098 | /* My reading of the SVR4 ABI indicates that the | |
4099 | procedure linkage table relocs (DT_JMPREL) should be | |
4100 | included in the overall relocs (DT_RELA). This is | |
4101 | what Solaris does. However, UnixWare can not handle | |
4102 | that case. Therefore, we override the DT_RELASZ entry | |
4103 | here to make it not include the JMPREL relocs. Since | |
4104 | the linker script arranges for .rela.plt to follow all | |
4105 | other relocation sections, we don't have to worry | |
4106 | about changing the DT_RELA entry. */ | |
4107 | s = bfd_get_section_by_name (output_bfd, ".rela.plt"); | |
4108 | if (s != NULL) | |
4109 | { | |
4110 | if (s->_cooked_size != 0) | |
4111 | dyn.d_un.d_val -= s->_cooked_size; | |
4112 | else | |
4113 | dyn.d_un.d_val -= s->_raw_size; | |
4114 | } | |
4115 | bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon); | |
4116 | break; | |
4117 | } | |
4118 | } | |
4119 | ||
4120 | /* Fill in the first entry in the procedure linkage table. */ | |
4121 | splt = bfd_get_section_by_name (dynobj, ".plt"); | |
4122 | if (splt && splt->_raw_size > 0) | |
4123 | { | |
4124 | if (info->shared) | |
4125 | { | |
4126 | if (elf_sh64_pic_plt_entry == NULL) | |
4127 | { | |
4128 | elf_sh64_pic_plt_entry = (bfd_big_endian (output_bfd) ? | |
4129 | elf_sh64_pic_plt_entry_be : | |
4130 | elf_sh64_pic_plt_entry_le); | |
4131 | } | |
4132 | memcpy (splt->contents, elf_sh64_pic_plt_entry, | |
4133 | elf_sh64_sizeof_plt (info)); | |
4134 | } | |
4135 | else | |
4136 | { | |
4137 | if (elf_sh64_plt0_entry == NULL) | |
4138 | { | |
4139 | elf_sh64_plt0_entry = (bfd_big_endian (output_bfd) ? | |
4140 | elf_sh64_plt0_entry_be : | |
4141 | elf_sh64_plt0_entry_le); | |
4142 | } | |
4143 | memcpy (splt->contents, elf_sh64_plt0_entry, PLT_ENTRY_SIZE); | |
4144 | movi_3shori_putval (output_bfd, | |
4145 | sgot->output_section->vma | |
4146 | + sgot->output_offset, | |
4147 | splt->contents | |
4148 | + elf_sh64_plt0_gotplt_offset (info)); | |
4149 | } | |
4150 | ||
4151 | /* UnixWare sets the entsize of .plt to 8, although that doesn't | |
4152 | really seem like the right value. */ | |
4153 | elf_section_data (splt->output_section)->this_hdr.sh_entsize = 8; | |
4154 | } | |
4155 | } | |
4156 | ||
4157 | /* Fill in the first three entries in the global offset table. */ | |
4158 | if (sgot->_raw_size > 0) | |
4159 | { | |
4160 | if (sdyn == NULL) | |
4161 | bfd_put_64 (output_bfd, (bfd_vma) 0, sgot->contents); | |
4162 | else | |
4163 | bfd_put_64 (output_bfd, | |
4164 | sdyn->output_section->vma + sdyn->output_offset, | |
4165 | sgot->contents); | |
4166 | bfd_put_64 (output_bfd, (bfd_vma) 0, sgot->contents + 8); | |
4167 | bfd_put_64 (output_bfd, (bfd_vma) 0, sgot->contents + 16); | |
4168 | } | |
4169 | ||
4170 | elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 8; | |
4171 | ||
b34976b6 | 4172 | return TRUE; |
fbca6ad9 AO |
4173 | } |
4174 | ||
fbca6ad9 AO |
4175 | #define TARGET_BIG_SYM bfd_elf64_sh64_vec |
4176 | #define TARGET_BIG_NAME "elf64-sh64" | |
4177 | #define TARGET_LITTLE_SYM bfd_elf64_sh64l_vec | |
4178 | #define TARGET_LITTLE_NAME "elf64-sh64l" | |
4179 | #define ELF_ARCH bfd_arch_sh | |
4180 | #define ELF_MACHINE_CODE EM_SH | |
4181 | #define ELF_MAXPAGESIZE 128 | |
4182 | ||
4183 | #define elf_symbol_leading_char '_' | |
fbca6ad9 AO |
4184 | |
4185 | #define bfd_elf64_bfd_reloc_type_lookup sh_elf64_reloc_type_lookup | |
4186 | #define elf_info_to_howto sh_elf64_info_to_howto | |
4187 | ||
4188 | /* Note: there's no relaxation at present. */ | |
4189 | ||
4190 | #define elf_backend_relocate_section sh_elf64_relocate_section | |
4191 | #define bfd_elf64_bfd_get_relocated_section_contents \ | |
4192 | sh_elf64_get_relocated_section_contents | |
4193 | #define elf_backend_object_p sh_elf64_set_mach_from_flags | |
4194 | #define bfd_elf64_bfd_set_private_flags \ | |
4195 | sh_elf64_set_private_flags | |
4196 | #define bfd_elf64_bfd_copy_private_bfd_data \ | |
4197 | sh_elf64_copy_private_data | |
4198 | #define bfd_elf64_bfd_merge_private_bfd_data \ | |
4199 | sh_elf64_merge_private_data | |
4200 | #define elf_backend_fake_sections sh64_elf64_fake_sections | |
4201 | ||
4202 | #define elf_backend_gc_mark_hook sh_elf64_gc_mark_hook | |
4203 | #define elf_backend_gc_sweep_hook sh_elf64_gc_sweep_hook | |
4204 | #define elf_backend_check_relocs sh_elf64_check_relocs | |
4205 | ||
4206 | #define elf_backend_can_gc_sections 1 | |
4207 | ||
4208 | #define elf_backend_get_symbol_type sh64_elf64_get_symbol_type | |
4209 | ||
4210 | #define elf_backend_add_symbol_hook sh64_elf64_add_symbol_hook | |
4211 | ||
4212 | #define elf_backend_link_output_symbol_hook \ | |
4213 | sh64_elf64_link_output_symbol_hook | |
4214 | ||
4215 | #define elf_backend_final_write_processing \ | |
4216 | sh64_elf64_final_write_processing | |
4217 | ||
4218 | #define elf_backend_create_dynamic_sections \ | |
4219 | sh64_elf64_create_dynamic_sections | |
4220 | #define bfd_elf64_bfd_link_hash_table_create \ | |
4221 | sh64_elf64_link_hash_table_create | |
4222 | #define elf_backend_adjust_dynamic_symbol \ | |
4223 | sh64_elf64_adjust_dynamic_symbol | |
4224 | #define elf_backend_size_dynamic_sections \ | |
4225 | sh64_elf64_size_dynamic_sections | |
4226 | #define elf_backend_finish_dynamic_symbol \ | |
4227 | sh64_elf64_finish_dynamic_symbol | |
4228 | #define elf_backend_finish_dynamic_sections \ | |
4229 | sh64_elf64_finish_dynamic_sections | |
4230 | ||
4231 | #define elf_backend_want_got_plt 1 | |
4232 | #define elf_backend_plt_readonly 1 | |
4233 | #define elf_backend_want_plt_sym 0 | |
4234 | #define elf_backend_got_header_size 24 | |
4235 | #define elf_backend_plt_header_size PLT_ENTRY_SIZE | |
4236 | ||
4237 | #include "elf64-target.h" | |
2bc3c89a AM |
4238 | |
4239 | /* NetBSD support. */ | |
4240 | #undef TARGET_BIG_SYM | |
4241 | #define TARGET_BIG_SYM bfd_elf64_sh64nbsd_vec | |
4242 | #undef TARGET_BIG_NAME | |
4243 | #define TARGET_BIG_NAME "elf64-sh64-nbsd" | |
4244 | #undef TARGET_LITTLE_SYM | |
4245 | #define TARGET_LITTLE_SYM bfd_elf64_sh64lnbsd_vec | |
4246 | #undef TARGET_LITTLE_NAME | |
4247 | #define TARGET_LITTLE_NAME "elf64-sh64l-nbsd" | |
4248 | #undef ELF_MAXPAGESIZE | |
4249 | #define ELF_MAXPAGESIZE 0x10000 | |
4250 | #undef elf_symbol_leading_char | |
4251 | #define elf_symbol_leading_char 0 | |
4252 | ||
4253 | #define elf64_bed elf64_sh64_nbsd_bed | |
4254 | ||
4255 | #include "elf64-target.h" | |
4256 | ||
4257 | /* Linux support. */ | |
4258 | #undef TARGET_BIG_SYM | |
4259 | #define TARGET_BIG_SYM bfd_elf64_sh64blin_vec | |
4260 | #undef TARGET_BIG_NAME | |
4261 | #define TARGET_BIG_NAME "elf64-sh64big-linux" | |
4262 | #undef TARGET_LITTLE_SYM | |
4263 | #define TARGET_LITTLE_SYM bfd_elf64_sh64lin_vec | |
4264 | #undef TARGET_LITTLE_NAME | |
4265 | #define TARGET_LITTLE_NAME "elf64-sh64-linux" | |
4266 | ||
4267 | #define INCLUDED_TARGET_FILE | |
4268 | #include "elf64-target.h" |