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73589c9d | 1 | /* Or1k-specific support for 32-bit ELF. |
219d1afa | 2 | Copyright (C) 2001-2018 Free Software Foundation, Inc. |
73589c9d CS |
3 | Contributed for OR32 by Johan Rydberg, jrydberg@opencores.org |
4 | ||
5 | PIC parts added by Stefan Kristiansson, stefan.kristiansson@saunalahti.fi, | |
6 | largely based on elf32-m32r.c and elf32-microblaze.c. | |
7 | ||
8 | This file is part of BFD, the Binary File Descriptor library. | |
9 | ||
10 | This program is free software; you can redistribute it and/or modify | |
11 | it under the terms of the GNU General Public License as published by | |
12 | the Free Software Foundation; either version 3 of the License, or | |
13 | (at your option) any later version. | |
14 | ||
15 | This program is distributed in the hope that it will be useful, | |
16 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | GNU General Public License for more details. | |
19 | ||
20 | You should have received a copy of the GNU General Public License | |
21 | along with this program; if not, see <http://www.gnu.org/licenses/>. */ | |
22 | ||
23 | #include "sysdep.h" | |
24 | #include "bfd.h" | |
25 | #include "libbfd.h" | |
26 | #include "elf-bfd.h" | |
27 | #include "elf/or1k.h" | |
28 | #include "libiberty.h" | |
29 | ||
1c4f3780 RH |
30 | #define N_ONES(X) (((bfd_vma)2 << (X)) - 1) |
31 | ||
73589c9d CS |
32 | #define PLT_ENTRY_SIZE 20 |
33 | ||
34 | #define PLT0_ENTRY_WORD0 0x19800000 /* l.movhi r12, 0 <- hi(.got+4) */ | |
35 | #define PLT0_ENTRY_WORD1 0xa98c0000 /* l.ori r12, r12, 0 <- lo(.got+4) */ | |
36 | #define PLT0_ENTRY_WORD2 0x85ec0004 /* l.lwz r15, 4(r12) <- *(.got+8)*/ | |
37 | #define PLT0_ENTRY_WORD3 0x44007800 /* l.jr r15 */ | |
38 | #define PLT0_ENTRY_WORD4 0x858c0000 /* l.lwz r12, 0(r12) */ | |
39 | ||
40 | #define PLT0_PIC_ENTRY_WORD0 0x85900004 /* l.lwz r12, 4(r16) */ | |
41 | #define PLT0_PIC_ENTRY_WORD1 0x85f00008 /* l.lwz r15, 8(r16) */ | |
42 | #define PLT0_PIC_ENTRY_WORD2 0x44007800 /* l.jr r15 */ | |
43 | #define PLT0_PIC_ENTRY_WORD3 0x15000000 /* l.nop */ | |
44 | #define PLT0_PIC_ENTRY_WORD4 0x15000000 /* l.nop */ | |
45 | ||
46 | #define PLT_ENTRY_WORD0 0x19800000 /* l.movhi r12, 0 <- hi(got idx addr) */ | |
47 | #define PLT_ENTRY_WORD1 0xa98c0000 /* l.ori r12, r12, 0 <- lo(got idx addr) */ | |
48 | #define PLT_ENTRY_WORD2 0x858c0000 /* l.lwz r12, 0(r12) */ | |
49 | #define PLT_ENTRY_WORD3 0x44006000 /* l.jr r12 */ | |
50 | #define PLT_ENTRY_WORD4 0xa9600000 /* l.ori r11, r0, 0 <- reloc offset */ | |
51 | ||
52 | #define PLT_PIC_ENTRY_WORD0 0x85900000 /* l.lwz r12, 0(r16) <- index in got */ | |
53 | #define PLT_PIC_ENTRY_WORD1 0xa9600000 /* l.ori r11, r0, 0 <- reloc offset */ | |
54 | #define PLT_PIC_ENTRY_WORD2 0x44006000 /* l.jr r12 */ | |
55 | #define PLT_PIC_ENTRY_WORD3 0x15000000 /* l.nop */ | |
56 | #define PLT_PIC_ENTRY_WORD4 0x15000000 /* l.nop */ | |
57 | ||
58 | #define ELF_DYNAMIC_INTERPRETER "/usr/lib/ld.so.1" | |
59 | ||
60 | static reloc_howto_type or1k_elf_howto_table[] = | |
61 | { | |
62 | /* This reloc does nothing. */ | |
07d6d2b8 AM |
63 | HOWTO (R_OR1K_NONE, /* type */ |
64 | 0, /* rightshift */ | |
65 | 3, /* size (0 = byte, 1 = short, 2 = long) */ | |
66 | 0, /* bitsize */ | |
67 | FALSE, /* pc_relative */ | |
68 | 0, /* bitpos */ | |
69 | complain_overflow_dont, /* complain_on_overflow */ | |
70 | bfd_elf_generic_reloc, /* special_function */ | |
71 | "R_OR1K_NONE", /* name */ | |
72 | FALSE, /* partial_inplace */ | |
73 | 0, /* src_mask */ | |
74 | 0, /* dst_mask */ | |
75 | FALSE), /* pcrel_offset */ | |
73589c9d CS |
76 | |
77 | HOWTO (R_OR1K_32, | |
07d6d2b8 AM |
78 | 0, /* rightshift */ |
79 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
80 | 32, /* bitsize */ | |
81 | FALSE, /* pc_relative */ | |
82 | 0, /* bitpos */ | |
83 | complain_overflow_unsigned, /* complain_on_overflow */ | |
84 | bfd_elf_generic_reloc, /* special_function */ | |
85 | "R_OR1K_32", /* name */ | |
86 | FALSE, /* partial_inplace */ | |
87 | 0, /* src_mask */ | |
88 | 0xffffffff, /* dst_mask */ | |
89 | FALSE), /* pcrel_offset */ | |
73589c9d CS |
90 | |
91 | HOWTO (R_OR1K_16, | |
07d6d2b8 AM |
92 | 0, /* rightshift */ |
93 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
94 | 16, /* bitsize */ | |
95 | FALSE, /* pc_relative */ | |
96 | 0, /* bitpos */ | |
97 | complain_overflow_unsigned, /* complain_on_overflow */ | |
98 | bfd_elf_generic_reloc, /* special_function */ | |
99 | "R_OR1K_16", /* name */ | |
100 | FALSE, /* partial_inplace */ | |
101 | 0, /* src_mask */ | |
102 | 0xffff, /* dst_mask */ | |
103 | FALSE), /* pcrel_offset */ | |
73589c9d CS |
104 | |
105 | HOWTO (R_OR1K_8, | |
07d6d2b8 AM |
106 | 0, /* rightshift */ |
107 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
108 | 8, /* bitsize */ | |
109 | FALSE, /* pc_relative */ | |
110 | 0, /* bitpos */ | |
111 | complain_overflow_unsigned, /* complain_on_overflow */ | |
112 | bfd_elf_generic_reloc, /* special_function */ | |
113 | "R_OR1K_8", /* name */ | |
114 | FALSE, /* partial_inplace */ | |
115 | 0, /* src_mask */ | |
116 | 0xff, /* dst_mask */ | |
117 | FALSE), /* pcrel_offset */ | |
73589c9d CS |
118 | |
119 | HOWTO (R_OR1K_LO_16_IN_INSN, /* type */ | |
07d6d2b8 AM |
120 | 0, /* rightshift */ |
121 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
122 | 16, /* bitsize */ | |
123 | FALSE, /* pc_relative */ | |
124 | 0, /* bitpos */ | |
125 | complain_overflow_dont, /* complain_on_overflow */ | |
126 | bfd_elf_generic_reloc, /* special_function */ | |
127 | "R_OR1K_LO_16_IN_INSN", /* name */ | |
128 | FALSE, /* partial_inplace */ | |
129 | 0, /* src_mask */ | |
130 | 0x0000ffff, /* dst_mask */ | |
131 | FALSE), /* pcrel_offset */ | |
73589c9d CS |
132 | |
133 | HOWTO (R_OR1K_HI_16_IN_INSN, /* type */ | |
07d6d2b8 AM |
134 | 16, /* rightshift */ |
135 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
136 | 16, /* bitsize */ | |
137 | FALSE, /* pc_relative */ | |
138 | 0, /* bitpos */ | |
139 | complain_overflow_dont, /* complain_on_overflow */ | |
140 | bfd_elf_generic_reloc, /* special_function */ | |
141 | "R_OR1K_HI_16_IN_INSN", /* name */ | |
142 | FALSE, /* partial_inplace */ | |
143 | 0, /* src_mask */ | |
144 | 0x0000ffff, /* dst_mask */ | |
145 | FALSE), /* pcrel_offset */ | |
73589c9d CS |
146 | |
147 | /* A PC relative 26 bit relocation, right shifted by 2. */ | |
148 | HOWTO (R_OR1K_INSN_REL_26, /* type */ | |
07d6d2b8 AM |
149 | 2, /* rightshift */ |
150 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
151 | 26, /* bitsize */ | |
152 | TRUE, /* pc_relative */ | |
153 | 0, /* bitpos */ | |
154 | complain_overflow_signed, /* complain_on_overflow */ | |
155 | bfd_elf_generic_reloc, /* special_function */ | |
156 | "R_OR1K_INSN_REL_26", /* name */ | |
157 | FALSE, /* partial_inplace */ | |
158 | 0, /* src_mask */ | |
159 | 0x03ffffff, /* dst_mask */ | |
160 | TRUE), /* pcrel_offset */ | |
73589c9d CS |
161 | |
162 | /* GNU extension to record C++ vtable hierarchy. */ | |
163 | HOWTO (R_OR1K_GNU_VTINHERIT, /* type */ | |
07d6d2b8 AM |
164 | 0, /* rightshift */ |
165 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
166 | 0, /* bitsize */ | |
167 | FALSE, /* pc_relative */ | |
168 | 0, /* bitpos */ | |
169 | complain_overflow_dont, /* complain_on_overflow */ | |
170 | NULL, /* special_function */ | |
171 | "R_OR1K_GNU_VTINHERIT", /* name */ | |
172 | FALSE, /* partial_inplace */ | |
173 | 0, /* src_mask */ | |
174 | 0, /* dst_mask */ | |
175 | FALSE), /* pcrel_offset */ | |
73589c9d CS |
176 | |
177 | /* GNU extension to record C++ vtable member usage. */ | |
178 | HOWTO (R_OR1K_GNU_VTENTRY, /* type */ | |
07d6d2b8 AM |
179 | 0, /* rightshift */ |
180 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
181 | 0, /* bitsize */ | |
182 | FALSE, /* pc_relative */ | |
183 | 0, /* bitpos */ | |
184 | complain_overflow_dont, /* complain_on_overflow */ | |
185 | _bfd_elf_rel_vtable_reloc_fn, /* special_function */ | |
186 | "R_OR1K_GNU_VTENTRY", /* name */ | |
187 | FALSE, /* partial_inplace */ | |
188 | 0, /* src_mask */ | |
189 | 0, /* dst_mask */ | |
190 | FALSE), /* pcrel_offset */ | |
73589c9d CS |
191 | |
192 | HOWTO (R_OR1K_32_PCREL, | |
07d6d2b8 AM |
193 | 0, /* rightshift */ |
194 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
195 | 32, /* bitsize */ | |
196 | TRUE, /* pc_relative */ | |
197 | 0, /* bitpos */ | |
198 | complain_overflow_signed, /* complain_on_overflow */ | |
199 | bfd_elf_generic_reloc, /* special_function */ | |
200 | "R_OR1K_32_PCREL", /* name */ | |
201 | FALSE, /* partial_inplace */ | |
202 | 0, /* src_mask */ | |
203 | 0xffffffff, /* dst_mask */ | |
204 | TRUE), /* pcrel_offset */ | |
73589c9d CS |
205 | |
206 | HOWTO (R_OR1K_16_PCREL, | |
07d6d2b8 AM |
207 | 0, /* rightshift */ |
208 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
209 | 16, /* bitsize */ | |
210 | TRUE, /* pc_relative */ | |
211 | 0, /* bitpos */ | |
212 | complain_overflow_signed, /* complain_on_overflow */ | |
213 | bfd_elf_generic_reloc, /* special_function */ | |
214 | "R_OR1K_16_PCREL", /* name */ | |
215 | FALSE, /* partial_inplace */ | |
216 | 0, /* src_mask */ | |
217 | 0xffff, /* dst_mask */ | |
218 | TRUE), /* pcrel_offset */ | |
73589c9d CS |
219 | |
220 | HOWTO (R_OR1K_8_PCREL, | |
07d6d2b8 AM |
221 | 0, /* rightshift */ |
222 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
223 | 8, /* bitsize */ | |
224 | TRUE, /* pc_relative */ | |
225 | 0, /* bitpos */ | |
226 | complain_overflow_signed, /* complain_on_overflow */ | |
227 | bfd_elf_generic_reloc, /* special_function */ | |
228 | "R_OR1K_8_PCREL", /* name */ | |
229 | FALSE, /* partial_inplace */ | |
230 | 0, /* src_mask */ | |
231 | 0xff, /* dst_mask */ | |
232 | TRUE), /* pcrel_offset */ | |
233 | ||
234 | HOWTO (R_OR1K_GOTPC_HI16, /* Type. */ | |
235 | 16, /* Rightshift. */ | |
236 | 2, /* Size (0 = byte, 1 = short, 2 = long). */ | |
237 | 16, /* Bitsize. */ | |
238 | TRUE, /* PC_relative. */ | |
239 | 0, /* Bitpos. */ | |
240 | complain_overflow_dont, /* Complain on overflow. */ | |
241 | bfd_elf_generic_reloc, /* Special Function. */ | |
242 | "R_OR1K_GOTPC_HI16", /* Name. */ | |
243 | FALSE, /* Partial Inplace. */ | |
244 | 0, /* Source Mask. */ | |
245 | 0xffff, /* Dest Mask. */ | |
246 | TRUE), /* PC relative offset? */ | |
247 | ||
248 | HOWTO (R_OR1K_GOTPC_LO16, /* Type. */ | |
249 | 0, /* Rightshift. */ | |
250 | 2, /* Size (0 = byte, 1 = short, 2 = long). */ | |
251 | 16, /* Bitsize. */ | |
252 | TRUE, /* PC_relative. */ | |
253 | 0, /* Bitpos. */ | |
254 | complain_overflow_dont, /* Complain on overflow. */ | |
255 | bfd_elf_generic_reloc, /* Special Function. */ | |
256 | "R_OR1K_GOTPC_LO16", /* Name. */ | |
257 | FALSE, /* Partial Inplace. */ | |
258 | 0, /* Source Mask. */ | |
259 | 0xffff, /* Dest Mask. */ | |
260 | TRUE), /* PC relative offset? */ | |
261 | ||
262 | HOWTO (R_OR1K_GOT16, /* type */ | |
263 | 0, /* rightshift */ | |
264 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
265 | 16, /* bitsize */ | |
266 | FALSE, /* pc_relative */ | |
267 | 0, /* bitpos */ | |
268 | complain_overflow_signed, /* complain_on_overflow */ | |
269 | bfd_elf_generic_reloc, /* special_function */ | |
270 | "R_OR1K_GOT16", /* name */ | |
271 | FALSE, /* partial_inplace */ | |
272 | 0, /* src_mask */ | |
273 | 0xffff, /* dst_mask */ | |
274 | FALSE), /* pcrel_offset */ | |
73589c9d CS |
275 | |
276 | /* A 26 bit PLT relocation. Shifted by 2. */ | |
07d6d2b8 AM |
277 | HOWTO (R_OR1K_PLT26, /* Type. */ |
278 | 2, /* Rightshift. */ | |
279 | 2, /* Size (0 = byte, 1 = short, 2 = long). */ | |
280 | 26, /* Bitsize. */ | |
281 | TRUE, /* PC_relative. */ | |
282 | 0, /* Bitpos. */ | |
1c4f3780 | 283 | complain_overflow_signed, /* Complain on overflow. */ |
07d6d2b8 AM |
284 | bfd_elf_generic_reloc,/* Special Function. */ |
285 | "R_OR1K_PLT26", /* Name. */ | |
286 | FALSE, /* Partial Inplace. */ | |
287 | 0, /* Source Mask. */ | |
288 | 0x03ffffff, /* Dest Mask. */ | |
289 | TRUE), /* PC relative offset? */ | |
290 | ||
291 | HOWTO (R_OR1K_GOTOFF_HI16, /* type */ | |
292 | 16, /* rightshift */ | |
293 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
294 | 16, /* bitsize */ | |
295 | FALSE, /* pc_relative */ | |
296 | 0, /* bitpos */ | |
297 | complain_overflow_dont, /* complain_on_overflow */ | |
298 | bfd_elf_generic_reloc, /* special_function */ | |
299 | "R_OR1K_GOTOFF_HI16", /* name */ | |
300 | FALSE, /* partial_inplace */ | |
301 | 0x0, /* src_mask */ | |
302 | 0xffff, /* dst_mask */ | |
303 | FALSE), /* pcrel_offset */ | |
304 | ||
305 | HOWTO (R_OR1K_GOTOFF_LO16, /* type */ | |
306 | 0, /* rightshift */ | |
307 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
308 | 16, /* bitsize */ | |
309 | FALSE, /* pc_relative */ | |
310 | 0, /* bitpos */ | |
311 | complain_overflow_dont, /* complain_on_overflow */ | |
312 | bfd_elf_generic_reloc, /* special_function */ | |
313 | "R_OR1K_GOTOFF_LO16", /* name */ | |
314 | FALSE, /* partial_inplace */ | |
315 | 0x0, /* src_mask */ | |
316 | 0xffff, /* dst_mask */ | |
317 | FALSE), /* pcrel_offset */ | |
318 | ||
319 | HOWTO (R_OR1K_COPY, /* type */ | |
320 | 0, /* rightshift */ | |
321 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
322 | 32, /* bitsize */ | |
323 | FALSE, /* pc_relative */ | |
324 | 0, /* bitpos */ | |
325 | complain_overflow_bitfield, /* complain_on_overflow */ | |
326 | bfd_elf_generic_reloc, /* special_function */ | |
327 | "R_OR1K_COPY", /* name */ | |
328 | FALSE, /* partial_inplace */ | |
329 | 0xffffffff, /* src_mask */ | |
330 | 0xffffffff, /* dst_mask */ | |
331 | FALSE), /* pcrel_offset */ | |
332 | ||
333 | HOWTO (R_OR1K_GLOB_DAT, /* type */ | |
334 | 0, /* rightshift */ | |
335 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
336 | 32, /* bitsize */ | |
337 | FALSE, /* pc_relative */ | |
338 | 0, /* bitpos */ | |
339 | complain_overflow_bitfield, /* complain_on_overflow */ | |
340 | bfd_elf_generic_reloc, /* special_function */ | |
341 | "R_OR1K_GLOB_DAT", /* name */ | |
342 | FALSE, /* partial_inplace */ | |
343 | 0xffffffff, /* src_mask */ | |
344 | 0xffffffff, /* dst_mask */ | |
345 | FALSE), /* pcrel_offset */ | |
346 | ||
347 | HOWTO (R_OR1K_JMP_SLOT, /* type */ | |
348 | 0, /* rightshift */ | |
349 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
350 | 32, /* bitsize */ | |
351 | FALSE, /* pc_relative */ | |
352 | 0, /* bitpos */ | |
353 | complain_overflow_bitfield, /* complain_on_overflow */ | |
354 | bfd_elf_generic_reloc, /* special_function */ | |
355 | "R_OR1K_JMP_SLOT", /* name */ | |
356 | FALSE, /* partial_inplace */ | |
357 | 0xffffffff, /* src_mask */ | |
358 | 0xffffffff, /* dst_mask */ | |
359 | FALSE), /* pcrel_offset */ | |
360 | ||
361 | HOWTO (R_OR1K_RELATIVE, /* type */ | |
362 | 0, /* rightshift */ | |
363 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
364 | 32, /* bitsize */ | |
365 | FALSE, /* pc_relative */ | |
366 | 0, /* bitpos */ | |
367 | complain_overflow_bitfield, /* complain_on_overflow */ | |
368 | bfd_elf_generic_reloc, /* special_function */ | |
369 | "R_OR1K_RELATIVE", /* name */ | |
370 | FALSE, /* partial_inplace */ | |
371 | 0xffffffff, /* src_mask */ | |
372 | 0xffffffff, /* dst_mask */ | |
373 | FALSE), /* pcrel_offset */ | |
374 | ||
375 | HOWTO (R_OR1K_TLS_GD_HI16, /* type */ | |
376 | 16, /* rightshift */ | |
377 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
378 | 16, /* bitsize */ | |
379 | FALSE, /* pc_relative */ | |
380 | 0, /* bitpos */ | |
381 | complain_overflow_dont, /* complain_on_overflow */ | |
382 | bfd_elf_generic_reloc, /* special_function */ | |
383 | "R_OR1K_TLS_GD_HI16", /* name */ | |
384 | FALSE, /* partial_inplace */ | |
385 | 0x0, /* src_mask */ | |
386 | 0xffff, /* dst_mask */ | |
387 | FALSE), /* pcrel_offset */ | |
388 | ||
389 | HOWTO (R_OR1K_TLS_GD_LO16, /* type */ | |
390 | 0, /* rightshift */ | |
391 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
392 | 16, /* bitsize */ | |
393 | FALSE, /* pc_relative */ | |
394 | 0, /* bitpos */ | |
395 | complain_overflow_dont, /* complain_on_overflow */ | |
396 | bfd_elf_generic_reloc, /* special_function */ | |
397 | "R_OR1K_TLS_GD_LO16", /* name */ | |
398 | FALSE, /* partial_inplace */ | |
399 | 0x0, /* src_mask */ | |
400 | 0xffff, /* dst_mask */ | |
401 | FALSE), /* pcrel_offset */ | |
402 | ||
403 | HOWTO (R_OR1K_TLS_LDM_HI16, /* type */ | |
404 | 16, /* rightshift */ | |
405 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
406 | 16, /* bitsize */ | |
407 | FALSE, /* pc_relative */ | |
408 | 0, /* bitpos */ | |
409 | complain_overflow_dont, /* complain_on_overflow */ | |
410 | bfd_elf_generic_reloc, /* special_function */ | |
411 | "R_OR1K_TLS_LDM_HI16", /* name */ | |
412 | FALSE, /* partial_inplace */ | |
413 | 0x0, /* src_mask */ | |
414 | 0xffff, /* dst_mask */ | |
415 | FALSE), /* pcrel_offset */ | |
416 | ||
417 | HOWTO (R_OR1K_TLS_LDM_LO16, /* type */ | |
418 | 0, /* rightshift */ | |
419 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
420 | 16, /* bitsize */ | |
421 | FALSE, /* pc_relative */ | |
422 | 0, /* bitpos */ | |
423 | complain_overflow_dont, /* complain_on_overflow */ | |
424 | bfd_elf_generic_reloc, /* special_function */ | |
425 | "R_OR1K_TLS_LDM_LO16", /* name */ | |
426 | FALSE, /* partial_inplace */ | |
427 | 0x0, /* src_mask */ | |
428 | 0xffff, /* dst_mask */ | |
429 | FALSE), /* pcrel_offset */ | |
430 | ||
431 | HOWTO (R_OR1K_TLS_LDO_HI16, /* type */ | |
432 | 16, /* rightshift */ | |
433 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
434 | 16, /* bitsize */ | |
435 | FALSE, /* pc_relative */ | |
436 | 0, /* bitpos */ | |
437 | complain_overflow_dont, /* complain_on_overflow */ | |
438 | bfd_elf_generic_reloc, /* special_function */ | |
439 | "R_OR1K_TLS_LDO_HI16", /* name */ | |
440 | FALSE, /* partial_inplace */ | |
441 | 0x0, /* src_mask */ | |
442 | 0xffff, /* dst_mask */ | |
443 | FALSE), /* pcrel_offset */ | |
444 | ||
445 | HOWTO (R_OR1K_TLS_LDO_LO16, /* type */ | |
446 | 0, /* rightshift */ | |
447 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
448 | 16, /* bitsize */ | |
449 | FALSE, /* pc_relative */ | |
450 | 0, /* bitpos */ | |
451 | complain_overflow_dont, /* complain_on_overflow */ | |
452 | bfd_elf_generic_reloc, /* special_function */ | |
453 | "R_OR1K_TLS_LDO_LO16", /* name */ | |
454 | FALSE, /* partial_inplace */ | |
455 | 0x0, /* src_mask */ | |
456 | 0xffff, /* dst_mask */ | |
457 | FALSE), /* pcrel_offset */ | |
458 | ||
459 | HOWTO (R_OR1K_TLS_IE_HI16, /* type */ | |
460 | 16, /* rightshift */ | |
461 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
462 | 16, /* bitsize */ | |
463 | FALSE, /* pc_relative */ | |
464 | 0, /* bitpos */ | |
465 | complain_overflow_dont, /* complain_on_overflow */ | |
466 | bfd_elf_generic_reloc, /* special_function */ | |
467 | "R_OR1K_TLS_IE_HI16", /* name */ | |
468 | FALSE, /* partial_inplace */ | |
469 | 0x0, /* src_mask */ | |
470 | 0xffff, /* dst_mask */ | |
471 | FALSE), /* pcrel_offset */ | |
472 | ||
473 | HOWTO (R_OR1K_TLS_IE_LO16, /* type */ | |
474 | 0, /* rightshift */ | |
475 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
476 | 16, /* bitsize */ | |
477 | FALSE, /* pc_relative */ | |
478 | 0, /* bitpos */ | |
479 | complain_overflow_dont, /* complain_on_overflow */ | |
480 | bfd_elf_generic_reloc, /* special_function */ | |
481 | "R_OR1K_TLS_IE_LO16", /* name */ | |
482 | FALSE, /* partial_inplace */ | |
483 | 0x0, /* src_mask */ | |
484 | 0xffff, /* dst_mask */ | |
485 | FALSE), /* pcrel_offset */ | |
486 | ||
487 | HOWTO (R_OR1K_TLS_LE_HI16, /* type */ | |
488 | 16, /* rightshift */ | |
489 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
490 | 16, /* bitsize */ | |
491 | FALSE, /* pc_relative */ | |
492 | 0, /* bitpos */ | |
493 | complain_overflow_dont, /* complain_on_overflow */ | |
494 | bfd_elf_generic_reloc, /* special_function */ | |
495 | "R_OR1K_TLS_LE_HI16", /* name */ | |
496 | FALSE, /* partial_inplace */ | |
497 | 0x0, /* src_mask */ | |
498 | 0xffff, /* dst_mask */ | |
499 | FALSE), /* pcrel_offset */ | |
500 | ||
501 | HOWTO (R_OR1K_TLS_LE_LO16, /* type */ | |
502 | 0, /* rightshift */ | |
503 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
504 | 16, /* bitsize */ | |
505 | FALSE, /* pc_relative */ | |
506 | 0, /* bitpos */ | |
507 | complain_overflow_dont, /* complain_on_overflow */ | |
508 | bfd_elf_generic_reloc, /* special_function */ | |
509 | "R_OR1K_TLS_LE_LO16", /* name */ | |
510 | FALSE, /* partial_inplace */ | |
511 | 0x0, /* src_mask */ | |
512 | 0xffff, /* dst_mask */ | |
513 | FALSE), /* pcrel_offset */ | |
73589c9d | 514 | |
1c4f3780 RH |
515 | HOWTO (R_OR1K_TLS_TPOFF, /* type */ |
516 | 0, /* rightshift */ | |
517 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
518 | 32, /* bitsize */ | |
519 | FALSE, /* pc_relative */ | |
520 | 0, /* bitpos */ | |
521 | complain_overflow_bitfield, /* complain_on_overflow */ | |
522 | bfd_elf_generic_reloc, /* special_function */ | |
523 | "R_OR1K_TLS_TPOFF", /* name */ | |
524 | FALSE, /* partial_inplace */ | |
525 | 0xffffffff, /* src_mask */ | |
526 | 0xffffffff, /* dst_mask */ | |
527 | FALSE), /* pcrel_offset */ | |
528 | ||
529 | HOWTO (R_OR1K_TLS_DTPOFF, /* type */ | |
530 | 0, /* rightshift */ | |
531 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
532 | 32, /* bitsize */ | |
533 | FALSE, /* pc_relative */ | |
534 | 0, /* bitpos */ | |
535 | complain_overflow_bitfield, /* complain_on_overflow */ | |
536 | bfd_elf_generic_reloc, /* special_function */ | |
537 | "R_OR1K_TLS_DTPOFF", /* name */ | |
538 | FALSE, /* partial_inplace */ | |
539 | 0xffffffff, /* src_mask */ | |
540 | 0xffffffff, /* dst_mask */ | |
541 | FALSE), /* pcrel_offset */ | |
542 | ||
543 | HOWTO (R_OR1K_TLS_DTPMOD, /* type */ | |
544 | 0, /* rightshift */ | |
545 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
546 | 32, /* bitsize */ | |
547 | FALSE, /* pc_relative */ | |
548 | 0, /* bitpos */ | |
549 | complain_overflow_bitfield, /* complain_on_overflow */ | |
550 | bfd_elf_generic_reloc, /* special_function */ | |
551 | "R_OR1K_TLS_DTPMOD", /* name */ | |
552 | FALSE, /* partial_inplace */ | |
553 | 0xffffffff, /* src_mask */ | |
554 | 0xffffffff, /* dst_mask */ | |
555 | FALSE), /* pcrel_offset */ | |
556 | ||
557 | HOWTO (R_OR1K_AHI16, /* type */ | |
558 | 16, /* rightshift */ | |
559 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
560 | 16, /* bitsize */ | |
561 | FALSE, /* pc_relative */ | |
562 | 0, /* bitpos */ | |
563 | complain_overflow_dont, /* complain_on_overflow */ | |
564 | bfd_elf_generic_reloc, /* special_function */ | |
565 | "R_OR1K_AHI16", /* name */ | |
566 | FALSE, /* partial_inplace */ | |
567 | 0x0, /* src_mask */ | |
568 | 0xffff, /* dst_mask */ | |
569 | FALSE), /* pcrel_offset */ | |
570 | ||
571 | HOWTO (R_OR1K_GOTOFF_AHI16, /* type */ | |
572 | 16, /* rightshift */ | |
573 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
574 | 16, /* bitsize */ | |
575 | FALSE, /* pc_relative */ | |
576 | 0, /* bitpos */ | |
577 | complain_overflow_dont, /* complain_on_overflow */ | |
578 | bfd_elf_generic_reloc, /* special_function */ | |
579 | "R_OR1K_GOTOFF_AHI16", /* name */ | |
580 | FALSE, /* partial_inplace */ | |
581 | 0x0, /* src_mask */ | |
582 | 0xffff, /* dst_mask */ | |
583 | FALSE), /* pcrel_offset */ | |
584 | ||
585 | HOWTO (R_OR1K_TLS_IE_AHI16, /* type */ | |
586 | 16, /* rightshift */ | |
587 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
588 | 16, /* bitsize */ | |
589 | FALSE, /* pc_relative */ | |
590 | 0, /* bitpos */ | |
591 | complain_overflow_dont, /* complain_on_overflow */ | |
592 | bfd_elf_generic_reloc, /* special_function */ | |
593 | "R_OR1K_TLS_IE_AHI16", /* name */ | |
594 | FALSE, /* partial_inplace */ | |
595 | 0x0, /* src_mask */ | |
596 | 0xffff, /* dst_mask */ | |
597 | FALSE), /* pcrel_offset */ | |
598 | ||
599 | HOWTO (R_OR1K_TLS_LE_AHI16, /* type */ | |
600 | 16, /* rightshift */ | |
601 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
602 | 16, /* bitsize */ | |
603 | FALSE, /* pc_relative */ | |
604 | 0, /* bitpos */ | |
605 | complain_overflow_dont, /* complain_on_overflow */ | |
606 | bfd_elf_generic_reloc, /* special_function */ | |
607 | "R_OR1K_TLS_LE_AHI16", /* name */ | |
608 | FALSE, /* partial_inplace */ | |
609 | 0x0, /* src_mask */ | |
610 | 0xffff, /* dst_mask */ | |
611 | FALSE), /* pcrel_offset */ | |
612 | ||
613 | HOWTO (R_OR1K_SLO16, /* type */ | |
614 | 0, /* rightshift */ | |
615 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
616 | 16, /* bitsize */ | |
617 | FALSE, /* pc_relative */ | |
618 | 0, /* bitpos */ | |
619 | complain_overflow_dont, /* complain_on_overflow */ | |
620 | bfd_elf_generic_reloc, /* special_function */ | |
621 | "R_OR1K_SLO16", /* name */ | |
622 | FALSE, /* partial_inplace */ | |
623 | 0x0, /* src_mask */ | |
624 | 0xffff, /* dst_mask */ | |
625 | FALSE), /* pcrel_offset */ | |
626 | ||
627 | HOWTO (R_OR1K_GOTOFF_SLO16, /* type */ | |
628 | 0, /* rightshift */ | |
629 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
630 | 16, /* bitsize */ | |
631 | FALSE, /* pc_relative */ | |
632 | 0, /* bitpos */ | |
633 | complain_overflow_dont, /* complain_on_overflow */ | |
634 | bfd_elf_generic_reloc, /* special_function */ | |
635 | "R_OR1K_GOTOFF_SLO16", /* name */ | |
636 | FALSE, /* partial_inplace */ | |
637 | 0x0, /* src_mask */ | |
638 | 0xffff, /* dst_mask */ | |
639 | FALSE), /* pcrel_offset */ | |
640 | ||
641 | HOWTO (R_OR1K_TLS_LE_SLO16, /* type */ | |
642 | 0, /* rightshift */ | |
643 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
644 | 16, /* bitsize */ | |
645 | FALSE, /* pc_relative */ | |
646 | 0, /* bitpos */ | |
647 | complain_overflow_dont, /* complain_on_overflow */ | |
648 | bfd_elf_generic_reloc, /* special_function */ | |
649 | "R_OR1K_TLS_LE_SLO16", /* name */ | |
650 | FALSE, /* partial_inplace */ | |
651 | 0x0, /* src_mask */ | |
652 | 0xffff, /* dst_mask */ | |
653 | FALSE), /* pcrel_offset */ | |
73589c9d CS |
654 | }; |
655 | ||
656 | /* Map BFD reloc types to Or1k ELF reloc types. */ | |
657 | ||
658 | struct or1k_reloc_map | |
659 | { | |
660 | bfd_reloc_code_real_type bfd_reloc_val; | |
661 | unsigned int or1k_reloc_val; | |
662 | }; | |
663 | ||
664 | static const struct or1k_reloc_map or1k_reloc_map[] = | |
665 | { | |
07d6d2b8 AM |
666 | { BFD_RELOC_NONE, R_OR1K_NONE }, |
667 | { BFD_RELOC_32, R_OR1K_32 }, | |
668 | { BFD_RELOC_16, R_OR1K_16 }, | |
669 | { BFD_RELOC_8, R_OR1K_8 }, | |
670 | { BFD_RELOC_LO16, R_OR1K_LO_16_IN_INSN }, | |
671 | { BFD_RELOC_HI16, R_OR1K_HI_16_IN_INSN }, | |
1c4f3780 | 672 | { BFD_RELOC_HI16_S, R_OR1K_AHI16 }, |
07d6d2b8 AM |
673 | { BFD_RELOC_OR1K_REL_26, R_OR1K_INSN_REL_26 }, |
674 | { BFD_RELOC_VTABLE_ENTRY, R_OR1K_GNU_VTENTRY }, | |
675 | { BFD_RELOC_VTABLE_INHERIT, R_OR1K_GNU_VTINHERIT }, | |
676 | { BFD_RELOC_32_PCREL, R_OR1K_32_PCREL }, | |
677 | { BFD_RELOC_16_PCREL, R_OR1K_16_PCREL }, | |
678 | { BFD_RELOC_8_PCREL, R_OR1K_8_PCREL }, | |
1c4f3780 RH |
679 | { BFD_RELOC_LO16_GOTOFF, R_OR1K_GOTOFF_LO16 }, |
680 | { BFD_RELOC_HI16_GOTOFF, R_OR1K_GOTOFF_HI16 }, | |
681 | { BFD_RELOC_HI16_S_GOTOFF, R_OR1K_GOTOFF_AHI16 }, | |
07d6d2b8 AM |
682 | { BFD_RELOC_OR1K_GOTPC_HI16, R_OR1K_GOTPC_HI16 }, |
683 | { BFD_RELOC_OR1K_GOTPC_LO16, R_OR1K_GOTPC_LO16 }, | |
684 | { BFD_RELOC_OR1K_GOT16, R_OR1K_GOT16 }, | |
685 | { BFD_RELOC_OR1K_PLT26, R_OR1K_PLT26 }, | |
07d6d2b8 AM |
686 | { BFD_RELOC_OR1K_GLOB_DAT, R_OR1K_GLOB_DAT }, |
687 | { BFD_RELOC_OR1K_COPY, R_OR1K_COPY }, | |
688 | { BFD_RELOC_OR1K_JMP_SLOT, R_OR1K_JMP_SLOT }, | |
689 | { BFD_RELOC_OR1K_RELATIVE, R_OR1K_RELATIVE }, | |
73589c9d CS |
690 | { BFD_RELOC_OR1K_TLS_GD_HI16, R_OR1K_TLS_GD_HI16 }, |
691 | { BFD_RELOC_OR1K_TLS_GD_LO16, R_OR1K_TLS_GD_LO16 }, | |
07d6d2b8 AM |
692 | { BFD_RELOC_OR1K_TLS_LDM_HI16, R_OR1K_TLS_LDM_HI16 }, |
693 | { BFD_RELOC_OR1K_TLS_LDM_LO16, R_OR1K_TLS_LDM_LO16 }, | |
694 | { BFD_RELOC_OR1K_TLS_LDO_HI16, R_OR1K_TLS_LDO_HI16 }, | |
695 | { BFD_RELOC_OR1K_TLS_LDO_LO16, R_OR1K_TLS_LDO_LO16 }, | |
73589c9d CS |
696 | { BFD_RELOC_OR1K_TLS_IE_HI16, R_OR1K_TLS_IE_HI16 }, |
697 | { BFD_RELOC_OR1K_TLS_IE_LO16, R_OR1K_TLS_IE_LO16 }, | |
1c4f3780 | 698 | { BFD_RELOC_OR1K_TLS_IE_AHI16, R_OR1K_TLS_IE_AHI16 }, |
73589c9d CS |
699 | { BFD_RELOC_OR1K_TLS_LE_HI16, R_OR1K_TLS_LE_HI16 }, |
700 | { BFD_RELOC_OR1K_TLS_LE_LO16, R_OR1K_TLS_LE_LO16 }, | |
1c4f3780 RH |
701 | { BFD_RELOC_OR1K_TLS_LE_AHI16, R_OR1K_TLS_LE_AHI16 }, |
702 | { BFD_RELOC_OR1K_SLO16, R_OR1K_SLO16 }, | |
703 | { BFD_RELOC_OR1K_GOTOFF_SLO16, R_OR1K_GOTOFF_SLO16 }, | |
704 | { BFD_RELOC_OR1K_TLS_LE_SLO16, R_OR1K_TLS_LE_SLO16 }, | |
73589c9d CS |
705 | }; |
706 | ||
73589c9d CS |
707 | #define TLS_UNKNOWN 0 |
708 | #define TLS_NONE 1 | |
07d6d2b8 AM |
709 | #define TLS_GD 2 |
710 | #define TLS_LD 3 | |
711 | #define TLS_IE 4 | |
712 | #define TLS_LE 5 | |
73589c9d CS |
713 | |
714 | /* ELF linker hash entry. */ | |
715 | struct elf_or1k_link_hash_entry | |
716 | { | |
717 | struct elf_link_hash_entry root; | |
718 | ||
719 | /* Track dynamic relocs copied for this symbol. */ | |
3bf083ed | 720 | struct elf_dyn_relocs *dyn_relocs; |
73589c9d CS |
721 | |
722 | /* Track type of TLS access. */ | |
723 | unsigned char tls_type; | |
724 | }; | |
725 | ||
726 | /* ELF object data. */ | |
727 | struct elf_or1k_obj_tdata | |
728 | { | |
729 | struct elf_obj_tdata root; | |
730 | ||
731 | /* tls_type for each local got entry. */ | |
732 | unsigned char *local_tls_type; | |
733 | }; | |
734 | ||
735 | #define elf_or1k_tdata(abfd) \ | |
736 | ((struct elf_or1k_obj_tdata *) (abfd)->tdata.any) | |
737 | ||
738 | #define elf_or1k_local_tls_type(abfd) \ | |
739 | (elf_or1k_tdata (abfd)->local_tls_type) | |
740 | ||
741 | /* ELF linker hash table. */ | |
742 | struct elf_or1k_link_hash_table | |
743 | { | |
744 | struct elf_link_hash_table root; | |
745 | ||
73589c9d CS |
746 | /* Small local sym to section mapping cache. */ |
747 | struct sym_cache sym_sec; | |
748 | }; | |
749 | ||
750 | /* Get the ELF linker hash table from a link_info structure. */ | |
751 | #define or1k_elf_hash_table(p) \ | |
752 | (elf_hash_table_id ((struct elf_link_hash_table *) ((p)->hash)) \ | |
753 | == OR1K_ELF_DATA ? ((struct elf_or1k_link_hash_table *) ((p)->hash)) : NULL) | |
754 | ||
755 | static bfd_boolean | |
756 | elf_or1k_mkobject (bfd *abfd) | |
757 | { | |
758 | return bfd_elf_allocate_object (abfd, sizeof (struct elf_or1k_obj_tdata), | |
07d6d2b8 | 759 | OR1K_ELF_DATA); |
73589c9d CS |
760 | } |
761 | ||
762 | /* Create an entry in an or1k ELF linker hash table. */ | |
763 | ||
764 | static struct bfd_hash_entry * | |
765 | or1k_elf_link_hash_newfunc (struct bfd_hash_entry *entry, | |
07d6d2b8 AM |
766 | struct bfd_hash_table *table, |
767 | const char *string) | |
73589c9d CS |
768 | { |
769 | struct elf_or1k_link_hash_entry *ret = | |
770 | (struct elf_or1k_link_hash_entry *) entry; | |
771 | ||
772 | /* Allocate the structure if it has not already been allocated by a | |
773 | subclass. */ | |
774 | if (ret == NULL) | |
775 | ret = bfd_hash_allocate (table, | |
07d6d2b8 | 776 | sizeof (struct elf_or1k_link_hash_entry)); |
73589c9d CS |
777 | if (ret == NULL) |
778 | return NULL; | |
779 | ||
780 | /* Call the allocation method of the superclass. */ | |
781 | ret = ((struct elf_or1k_link_hash_entry *) | |
07d6d2b8 AM |
782 | _bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret, |
783 | table, string)); | |
73589c9d CS |
784 | if (ret != NULL) |
785 | { | |
786 | struct elf_or1k_link_hash_entry *eh; | |
787 | ||
788 | eh = (struct elf_or1k_link_hash_entry *) ret; | |
789 | eh->dyn_relocs = NULL; | |
790 | eh->tls_type = TLS_UNKNOWN; | |
791 | } | |
792 | ||
793 | return (struct bfd_hash_entry *) ret; | |
794 | } | |
795 | ||
796 | /* Create an or1k ELF linker hash table. */ | |
797 | ||
798 | static struct bfd_link_hash_table * | |
799 | or1k_elf_link_hash_table_create (bfd *abfd) | |
800 | { | |
801 | struct elf_or1k_link_hash_table *ret; | |
802 | bfd_size_type amt = sizeof (struct elf_or1k_link_hash_table); | |
803 | ||
804 | ret = bfd_zmalloc (amt); | |
805 | if (ret == NULL) | |
806 | return NULL; | |
807 | ||
808 | if (!_bfd_elf_link_hash_table_init (&ret->root, abfd, | |
07d6d2b8 AM |
809 | or1k_elf_link_hash_newfunc, |
810 | sizeof (struct elf_or1k_link_hash_entry), | |
811 | OR1K_ELF_DATA)) | |
73589c9d CS |
812 | { |
813 | free (ret); | |
814 | return NULL; | |
815 | } | |
816 | ||
817 | return &ret->root.root; | |
818 | } | |
819 | ||
820 | static reloc_howto_type * | |
821 | or1k_reloc_type_lookup (bfd * abfd ATTRIBUTE_UNUSED, | |
1c4f3780 | 822 | bfd_reloc_code_real_type bcode) |
73589c9d CS |
823 | { |
824 | unsigned int i; | |
825 | ||
1c4f3780 RH |
826 | for (i = 0; i < ARRAY_SIZE (or1k_reloc_map); i++) |
827 | if (or1k_reloc_map[i].bfd_reloc_val == bcode) | |
828 | { | |
829 | unsigned int ocode = or1k_reloc_map[i].or1k_reloc_val; | |
830 | if (ocode < (unsigned int) R_OR1K_max) | |
831 | return &or1k_elf_howto_table[ocode]; | |
832 | else | |
833 | break; | |
834 | } | |
73589c9d CS |
835 | |
836 | return NULL; | |
837 | } | |
838 | ||
839 | static reloc_howto_type * | |
840 | or1k_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, | |
841 | const char *r_name) | |
842 | { | |
843 | unsigned int i; | |
844 | ||
1c4f3780 | 845 | for (i = 0; i < R_OR1K_max; i++) |
73589c9d | 846 | if (or1k_elf_howto_table[i].name != NULL |
07d6d2b8 | 847 | && strcasecmp (or1k_elf_howto_table[i].name, r_name) == 0) |
73589c9d CS |
848 | return &or1k_elf_howto_table[i]; |
849 | ||
850 | return NULL; | |
851 | } | |
852 | ||
853 | /* Set the howto pointer for an Or1k ELF reloc. */ | |
854 | ||
f3185997 | 855 | static bfd_boolean |
0aa13fee | 856 | or1k_info_to_howto_rela (bfd * abfd, |
73589c9d CS |
857 | arelent * cache_ptr, |
858 | Elf_Internal_Rela * dst) | |
859 | { | |
860 | unsigned int r_type; | |
861 | ||
862 | r_type = ELF32_R_TYPE (dst->r_info); | |
5860e3f8 NC |
863 | if (r_type >= (unsigned int) R_OR1K_max) |
864 | { | |
695344c0 | 865 | /* xgettext:c-format */ |
0aa13fee AM |
866 | _bfd_error_handler (_("%pB: unsupported relocation type %#x"), |
867 | abfd, r_type); | |
f3185997 NC |
868 | bfd_set_error (bfd_error_bad_value); |
869 | return FALSE; | |
5860e3f8 | 870 | } |
73589c9d | 871 | cache_ptr->howto = & or1k_elf_howto_table[r_type]; |
f3185997 | 872 | return TRUE; |
73589c9d CS |
873 | } |
874 | ||
875 | ||
876 | /* Return the relocation value for @tpoff relocations.. */ | |
877 | static bfd_vma | |
878 | tpoff (struct bfd_link_info *info, bfd_vma address) | |
879 | { | |
880 | /* If tls_sec is NULL, we should have signalled an error already. */ | |
881 | if (elf_hash_table (info)->tls_sec == NULL) | |
882 | return 0; | |
883 | ||
884 | /* The thread pointer on or1k stores the address after the TCB where | |
885 | the data is, just compute the difference. No need to compensate | |
886 | for the size of TCB. */ | |
887 | return (address - elf_hash_table (info)->tls_sec->vma); | |
888 | } | |
889 | ||
1c4f3780 RH |
890 | /* Like _bfd_final_link_relocate, but handles non-contiguous fields. */ |
891 | ||
892 | static bfd_reloc_status_type | |
893 | or1k_final_link_relocate (reloc_howto_type *howto, bfd *input_bfd, | |
894 | asection *input_section, bfd_byte *contents, | |
895 | bfd_vma offset, bfd_vma value) | |
896 | { | |
897 | bfd_reloc_status_type status = bfd_reloc_ok; | |
898 | int size = bfd_get_reloc_size (howto); | |
899 | bfd_vma x; | |
900 | ||
901 | /* Sanity check the address. */ | |
902 | if (offset + size > bfd_get_section_limit_octets (input_bfd, input_section)) | |
903 | return bfd_reloc_outofrange; | |
904 | ||
905 | if (howto->pc_relative) | |
906 | { | |
907 | value -= (input_section->output_section->vma | |
908 | + input_section->output_offset); | |
909 | if (howto->pcrel_offset) | |
910 | value -= offset; | |
911 | } | |
912 | ||
913 | switch (howto->type) | |
914 | { | |
915 | case R_OR1K_AHI16: | |
916 | case R_OR1K_GOTOFF_AHI16: | |
917 | case R_OR1K_TLS_IE_AHI16: | |
918 | case R_OR1K_TLS_LE_AHI16: | |
919 | /* Adjust the operand to match with a signed LO16. */ | |
920 | value += 0x8000; | |
921 | break; | |
922 | ||
923 | case R_OR1K_INSN_REL_26: | |
924 | /* Diagnose mis-aligned branch targets. */ | |
925 | if (value & 3) | |
926 | status = bfd_reloc_dangerous; | |
927 | break; | |
928 | } | |
929 | ||
930 | status = bfd_check_overflow (howto->complain_on_overflow, | |
931 | howto->bitsize, | |
932 | howto->rightshift, | |
933 | bfd_arch_bits_per_address (input_bfd), | |
934 | value); | |
935 | value >>= howto->rightshift; | |
936 | ||
937 | /* If we're overwriting the entire destination, | |
938 | then no need to read the current contents. */ | |
939 | if (size == 0 || howto->dst_mask == N_ONES (size)) | |
940 | x = 0; | |
941 | else | |
942 | { | |
943 | BFD_ASSERT (size == 4); | |
944 | x = bfd_get_32 (input_bfd, contents + offset); | |
945 | } | |
946 | ||
947 | switch (howto->type) | |
948 | { | |
949 | case R_OR1K_SLO16: | |
950 | case R_OR1K_GOTOFF_SLO16: | |
951 | case R_OR1K_TLS_LE_SLO16: | |
952 | /* The split imm16 field used for stores. */ | |
953 | x = (x & ~0x3e007ff) | ((value & 0xf800) << 10) | (value & 0x7ff); | |
954 | break; | |
955 | ||
956 | default: | |
957 | { | |
958 | bfd_vma fieldmask = howto->dst_mask; | |
959 | value <<= howto->bitpos; | |
960 | x = (x & ~fieldmask) | (value & fieldmask); | |
961 | } | |
962 | break; | |
963 | } | |
964 | ||
965 | /* Put the relocated value back in the object file. */ | |
966 | switch (size) | |
967 | { | |
968 | case 0: | |
969 | break; | |
970 | case 1: | |
971 | bfd_put_8 (input_bfd, x, contents + offset); | |
972 | break; | |
973 | case 2: | |
974 | bfd_put_16 (input_bfd, x, contents + offset); | |
975 | break; | |
976 | case 4: | |
977 | bfd_put_32 (input_bfd, x, contents + offset); | |
978 | break; | |
979 | #ifdef BFD64 | |
980 | case 8: | |
981 | bfd_put_64 (input_bfd, x, contents + offset); | |
982 | break; | |
983 | #endif | |
984 | default: | |
985 | _bfd_error_handler | |
986 | (_("%pB: Cannot handle relocation value size of %d"), | |
987 | input_bfd, size); | |
988 | abort (); | |
989 | } | |
990 | return status; | |
991 | } | |
992 | ||
73589c9d CS |
993 | /* Relocate an Or1k ELF section. |
994 | ||
995 | The RELOCATE_SECTION function is called by the new ELF backend linker | |
996 | to handle the relocations for a section. | |
997 | ||
998 | The relocs are always passed as Rela structures; if the section | |
999 | actually uses Rel structures, the r_addend field will always be | |
1000 | zero. | |
1001 | ||
1002 | This function is responsible for adjusting the section contents as | |
1003 | necessary, and (if using Rela relocs and generating a relocatable | |
1004 | output file) adjusting the reloc addend as necessary. | |
1005 | ||
1006 | This function does not have to worry about setting the reloc | |
1007 | address or the reloc symbol index. | |
1008 | ||
1009 | LOCAL_SYMS is a pointer to the swapped in local symbols. | |
1010 | ||
1011 | LOCAL_SECTIONS is an array giving the section in the input file | |
1012 | corresponding to the st_shndx field of each local symbol. | |
1013 | ||
1014 | The global hash table entry for the global symbols can be found | |
1015 | via elf_sym_hashes (input_bfd). | |
1016 | ||
1017 | When generating relocatable output, this function must handle | |
1018 | STB_LOCAL/STT_SECTION symbols specially. The output symbol is | |
1019 | going to be the section symbol corresponding to the output | |
1020 | section, which means that the addend must be adjusted | |
1021 | accordingly. */ | |
1022 | ||
1023 | static bfd_boolean | |
1024 | or1k_elf_relocate_section (bfd *output_bfd, | |
1025 | struct bfd_link_info *info, | |
1026 | bfd *input_bfd, | |
1027 | asection *input_section, | |
1028 | bfd_byte *contents, | |
1029 | Elf_Internal_Rela *relocs, | |
1030 | Elf_Internal_Sym *local_syms, | |
1031 | asection **local_sections) | |
1032 | { | |
1033 | Elf_Internal_Shdr *symtab_hdr; | |
1034 | struct elf_link_hash_entry **sym_hashes; | |
1035 | Elf_Internal_Rela *rel; | |
1036 | Elf_Internal_Rela *relend; | |
1037 | struct elf_or1k_link_hash_table *htab = or1k_elf_hash_table (info); | |
1038 | bfd *dynobj; | |
1039 | asection *sreloc; | |
1040 | bfd_vma *local_got_offsets; | |
f2c1801f SH |
1041 | asection *sgot, *splt; |
1042 | bfd_vma plt_base, got_base; | |
1043 | bfd_boolean ret_val = TRUE; | |
73589c9d CS |
1044 | |
1045 | if (htab == NULL) | |
1046 | return FALSE; | |
1047 | ||
1048 | dynobj = htab->root.dynobj; | |
1049 | local_got_offsets = elf_local_got_offsets (input_bfd); | |
1050 | ||
1051 | sreloc = elf_section_data (input_section)->sreloc; | |
1052 | ||
f2c1801f SH |
1053 | splt = htab->root.splt; |
1054 | plt_base = 0; | |
1055 | if (splt != NULL) | |
1056 | plt_base = splt->output_section->vma + splt->output_offset; | |
1057 | ||
ce558b89 | 1058 | sgot = htab->root.sgot; |
f2c1801f SH |
1059 | got_base = 0; |
1060 | if (sgot != NULL) | |
1061 | got_base = sgot->output_section->vma + sgot->output_offset; | |
73589c9d CS |
1062 | |
1063 | symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr; | |
1064 | sym_hashes = elf_sym_hashes (input_bfd); | |
1065 | relend = relocs + input_section->reloc_count; | |
1066 | ||
1067 | for (rel = relocs; rel < relend; rel++) | |
1068 | { | |
1069 | reloc_howto_type *howto; | |
1070 | unsigned long r_symndx; | |
1071 | Elf_Internal_Sym *sym; | |
1072 | asection *sec; | |
1073 | struct elf_link_hash_entry *h; | |
1074 | bfd_vma relocation; | |
1075 | bfd_reloc_status_type r; | |
1076 | const char *name = NULL; | |
1077 | int r_type; | |
1078 | ||
1079 | r_type = ELF32_R_TYPE (rel->r_info); | |
1080 | r_symndx = ELF32_R_SYM (rel->r_info); | |
1081 | ||
1082 | if (r_type == R_OR1K_GNU_VTINHERIT | |
07d6d2b8 AM |
1083 | || r_type == R_OR1K_GNU_VTENTRY) |
1084 | continue; | |
73589c9d CS |
1085 | |
1086 | if (r_type < 0 || r_type >= (int) R_OR1K_max) | |
07d6d2b8 | 1087 | { |
f2c1801f SH |
1088 | _bfd_error_handler |
1089 | (_("%pB: unknown relocation type %d"), | |
1090 | input_bfd, (int) r_type); | |
07d6d2b8 | 1091 | bfd_set_error (bfd_error_bad_value); |
f2c1801f SH |
1092 | ret_val = FALSE; |
1093 | continue; | |
07d6d2b8 | 1094 | } |
73589c9d CS |
1095 | |
1096 | howto = or1k_elf_howto_table + ELF32_R_TYPE (rel->r_info); | |
1097 | h = NULL; | |
1098 | sym = NULL; | |
1099 | sec = NULL; | |
1100 | ||
1101 | if (r_symndx < symtab_hdr->sh_info) | |
07d6d2b8 AM |
1102 | { |
1103 | sym = local_syms + r_symndx; | |
1104 | sec = local_sections[r_symndx]; | |
1105 | relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel); | |
1106 | ||
1107 | name = bfd_elf_string_from_elf_section | |
1108 | (input_bfd, symtab_hdr->sh_link, sym->st_name); | |
1109 | name = (name == NULL) ? bfd_section_name (input_bfd, sec) : name; | |
1110 | } | |
73589c9d | 1111 | else |
07d6d2b8 AM |
1112 | { |
1113 | bfd_boolean unresolved_reloc, warned, ignored; | |
73589c9d | 1114 | |
07d6d2b8 AM |
1115 | RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel, |
1116 | r_symndx, symtab_hdr, sym_hashes, | |
1117 | h, sec, relocation, | |
1118 | unresolved_reloc, warned, ignored); | |
f2c1801f | 1119 | name = h->root.root.string; |
07d6d2b8 | 1120 | } |
73589c9d CS |
1121 | |
1122 | if (sec != NULL && discarded_section (sec)) | |
07d6d2b8 AM |
1123 | RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section, |
1124 | rel, 1, relend, howto, 0, contents); | |
73589c9d | 1125 | |
0e1862bb | 1126 | if (bfd_link_relocatable (info)) |
07d6d2b8 | 1127 | continue; |
73589c9d CS |
1128 | |
1129 | switch (howto->type) | |
07d6d2b8 AM |
1130 | { |
1131 | case R_OR1K_PLT26: | |
f2c1801f SH |
1132 | /* If the call is not local, redirect the branch to the PLT. |
1133 | Otherwise do nothing to send the branch to the symbol direct. */ | |
1134 | if (!SYMBOL_CALLS_LOCAL (info, h)) | |
1135 | { | |
1136 | BFD_ASSERT (h->plt.offset != (bfd_vma) -1); | |
1137 | relocation = plt_base + h->plt.offset; | |
1138 | } | |
1139 | ||
1140 | /* Addend should be zero. */ | |
1141 | if (rel->r_addend != 0) | |
1142 | { | |
1143 | _bfd_error_handler | |
1144 | (_("%pB: addend should be zero for plt relocations"), | |
1145 | input_bfd); | |
1146 | bfd_set_error (bfd_error_bad_value); | |
1147 | ret_val = FALSE; | |
1148 | } | |
1149 | break; | |
07d6d2b8 AM |
1150 | |
1151 | case R_OR1K_GOT16: | |
1152 | /* Relocation is to the entry for this symbol in the global | |
1153 | offset table. */ | |
1154 | BFD_ASSERT (sgot != NULL); | |
1155 | if (h != NULL) | |
1156 | { | |
1157 | bfd_boolean dyn; | |
1158 | bfd_vma off; | |
1159 | ||
1160 | off = h->got.offset; | |
1161 | BFD_ASSERT (off != (bfd_vma) -1); | |
1162 | ||
1163 | dyn = htab->root.dynamic_sections_created; | |
1164 | if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, | |
0e1862bb L |
1165 | bfd_link_pic (info), |
1166 | h) | |
07d6d2b8 AM |
1167 | || (bfd_link_pic (info) |
1168 | && SYMBOL_REFERENCES_LOCAL (info, h))) | |
1169 | { | |
1170 | /* This is actually a static link, or it is a | |
1171 | -Bsymbolic link and the symbol is defined | |
1172 | locally, or the symbol was forced to be local | |
1173 | because of a version file. We must initialize | |
1174 | this entry in the global offset table. Since the | |
1175 | offset must always be a multiple of 4, we use the | |
1176 | least significant bit to record whether we have | |
1177 | initialized it already. | |
1178 | ||
1179 | When doing a dynamic link, we create a .rela.got | |
1180 | relocation entry to initialize the value. This | |
1181 | is done in the finish_dynamic_symbol routine. */ | |
1182 | if ((off & 1) != 0) | |
1183 | off &= ~1; | |
1184 | else | |
1185 | { | |
1186 | /* Write entry in GOT. */ | |
1187 | bfd_put_32 (output_bfd, relocation, | |
1188 | sgot->contents + off); | |
1189 | /* Mark GOT entry as having been written. */ | |
1190 | h->got.offset |= 1; | |
1191 | } | |
1192 | } | |
1193 | ||
1194 | relocation = sgot->output_offset + off; | |
1195 | } | |
1196 | else | |
1197 | { | |
1198 | bfd_vma off; | |
1199 | bfd_byte *loc; | |
1200 | ||
1201 | BFD_ASSERT (local_got_offsets != NULL | |
1202 | && local_got_offsets[r_symndx] != (bfd_vma) -1); | |
1203 | ||
1204 | /* Get offset into GOT table. */ | |
1205 | off = local_got_offsets[r_symndx]; | |
1206 | ||
1207 | /* The offset must always be a multiple of 4. We use | |
1208 | the least significant bit to record whether we have | |
1209 | already processed this entry. */ | |
1210 | if ((off & 1) != 0) | |
1211 | off &= ~1; | |
1212 | else | |
1213 | { | |
1214 | /* Write entry in GOT. */ | |
1215 | bfd_put_32 (output_bfd, relocation, sgot->contents + off); | |
1216 | if (bfd_link_pic (info)) | |
1217 | { | |
1218 | asection *srelgot; | |
1219 | Elf_Internal_Rela outrel; | |
1220 | ||
1221 | /* We need to generate a R_OR1K_RELATIVE reloc | |
1222 | for the dynamic linker. */ | |
1223 | srelgot = htab->root.srelgot; | |
1224 | BFD_ASSERT (srelgot != NULL); | |
1225 | ||
f2c1801f | 1226 | outrel.r_offset = got_base + off; |
07d6d2b8 AM |
1227 | outrel.r_info = ELF32_R_INFO (0, R_OR1K_RELATIVE); |
1228 | outrel.r_addend = relocation; | |
1229 | loc = srelgot->contents; | |
1230 | loc += srelgot->reloc_count * sizeof (Elf32_External_Rela); | |
1231 | bfd_elf32_swap_reloca_out (output_bfd, &outrel,loc); | |
1232 | ++srelgot->reloc_count; | |
1233 | } | |
1234 | ||
1235 | local_got_offsets[r_symndx] |= 1; | |
1236 | } | |
1237 | relocation = sgot->output_offset + off; | |
1238 | } | |
1239 | ||
1240 | /* Addend should be zero. */ | |
1241 | if (rel->r_addend != 0) | |
f2c1801f SH |
1242 | { |
1243 | _bfd_error_handler | |
1244 | (_("%pB: addend should be zero for got relocations"), | |
1245 | input_bfd); | |
1246 | bfd_set_error (bfd_error_bad_value); | |
1247 | ret_val = FALSE; | |
1248 | } | |
07d6d2b8 | 1249 | break; |
73589c9d | 1250 | |
07d6d2b8 AM |
1251 | case R_OR1K_GOTOFF_LO16: |
1252 | case R_OR1K_GOTOFF_HI16: | |
1c4f3780 RH |
1253 | case R_OR1K_GOTOFF_AHI16: |
1254 | case R_OR1K_GOTOFF_SLO16: | |
07d6d2b8 AM |
1255 | /* Relocation is offset from GOT. */ |
1256 | BFD_ASSERT (sgot != NULL); | |
f2c1801f SH |
1257 | if (!SYMBOL_REFERENCES_LOCAL (info, h)) |
1258 | { | |
1259 | _bfd_error_handler | |
1260 | (_("%pB: gotoff relocation against dynamic symbol %s"), | |
1261 | input_bfd, h->root.root.string); | |
1262 | ret_val = FALSE; | |
1263 | bfd_set_error (bfd_error_bad_value); | |
1264 | } | |
1265 | relocation -= got_base; | |
07d6d2b8 AM |
1266 | break; |
1267 | ||
1268 | case R_OR1K_INSN_REL_26: | |
f2c1801f SH |
1269 | /* For a non-shared link, these will reference either the plt |
1270 | or a .dynbss copy of the symbol. */ | |
1271 | if (bfd_link_pic (info) && !SYMBOL_REFERENCES_LOCAL (info, h)) | |
1272 | { | |
1273 | _bfd_error_handler | |
1274 | (_("%pB: pc-relative relocation against dynamic symbol %s"), | |
1275 | input_bfd, name); | |
1276 | ret_val = FALSE; | |
1277 | bfd_set_error (bfd_error_bad_value); | |
1278 | } | |
1279 | break; | |
1280 | ||
07d6d2b8 AM |
1281 | case R_OR1K_HI_16_IN_INSN: |
1282 | case R_OR1K_LO_16_IN_INSN: | |
1c4f3780 RH |
1283 | case R_OR1K_AHI16: |
1284 | case R_OR1K_SLO16: | |
f2c1801f SH |
1285 | if (bfd_link_pic (info)) |
1286 | { | |
1287 | _bfd_error_handler | |
1288 | (_("%pB: non-pic relocation against symbol %s"), | |
1289 | input_bfd, name); | |
1290 | ret_val = FALSE; | |
1291 | bfd_set_error (bfd_error_bad_value); | |
1292 | } | |
1293 | break; | |
1294 | ||
07d6d2b8 AM |
1295 | case R_OR1K_32: |
1296 | /* R_OR1K_16? */ | |
1297 | { | |
1298 | /* r_symndx will be STN_UNDEF (zero) only for relocs against symbols | |
1299 | from removed linkonce sections, or sections discarded by | |
1300 | a linker script. */ | |
1301 | if (r_symndx == STN_UNDEF | |
1302 | || (input_section->flags & SEC_ALLOC) == 0) | |
1303 | break; | |
1304 | ||
f2c1801f SH |
1305 | /* Emit a direct relocation if the symbol is dynamic, |
1306 | or a RELATIVE reloc for shared objects. We can omit | |
1307 | RELATIVE relocs to local undefweak symbols. */ | |
1308 | if (bfd_link_pic (info) | |
1309 | ? (h == NULL | |
07d6d2b8 AM |
1310 | || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT |
1311 | || h->root.type != bfd_link_hash_undefweak) | |
f2c1801f | 1312 | : (h != NULL |
07d6d2b8 AM |
1313 | && h->dynindx != -1 |
1314 | && !h->non_got_ref | |
f2c1801f | 1315 | && ((h->def_dynamic && !h->def_regular) |
07d6d2b8 AM |
1316 | || h->root.type == bfd_link_hash_undefweak |
1317 | || h->root.type == bfd_link_hash_undefined))) | |
1318 | { | |
1319 | Elf_Internal_Rela outrel; | |
1320 | bfd_byte *loc; | |
1321 | bfd_boolean skip; | |
1322 | ||
1323 | /* When generating a shared object, these relocations | |
1324 | are copied into the output file to be resolved at run | |
1325 | time. */ | |
1326 | ||
1327 | BFD_ASSERT (sreloc != NULL); | |
1328 | ||
1329 | skip = FALSE; | |
1330 | ||
1331 | outrel.r_offset = | |
1332 | _bfd_elf_section_offset (output_bfd, info, input_section, | |
1333 | rel->r_offset); | |
1334 | if (outrel.r_offset == (bfd_vma) -1) | |
1335 | skip = TRUE; | |
1336 | else if (outrel.r_offset == (bfd_vma) -2) | |
1337 | skip = TRUE; | |
1338 | outrel.r_offset += (input_section->output_section->vma | |
1339 | + input_section->output_offset); | |
1340 | ||
1341 | if (skip) | |
1342 | memset (&outrel, 0, sizeof outrel); | |
f2c1801f | 1343 | else if (SYMBOL_REFERENCES_LOCAL (info, h)) |
07d6d2b8 | 1344 | { |
f2c1801f SH |
1345 | outrel.r_info = ELF32_R_INFO (0, R_OR1K_RELATIVE); |
1346 | outrel.r_addend = relocation + rel->r_addend; | |
07d6d2b8 AM |
1347 | } |
1348 | else | |
1349 | { | |
f2c1801f SH |
1350 | BFD_ASSERT (h->dynindx != -1); |
1351 | outrel.r_info = ELF32_R_INFO (h->dynindx, r_type); | |
1352 | outrel.r_addend = rel->r_addend; | |
07d6d2b8 AM |
1353 | } |
1354 | ||
1355 | loc = sreloc->contents; | |
1356 | loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela); | |
1357 | bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc); | |
1358 | break; | |
1359 | } | |
1360 | break; | |
1361 | } | |
1362 | ||
1363 | case R_OR1K_TLS_LDM_HI16: | |
1364 | case R_OR1K_TLS_LDM_LO16: | |
1365 | case R_OR1K_TLS_LDO_HI16: | |
1366 | case R_OR1K_TLS_LDO_LO16: | |
1367 | /* TODO: implement support for local dynamic. */ | |
1368 | BFD_FAIL (); | |
4eca0228 | 1369 | _bfd_error_handler |
871b3ab2 | 1370 | (_("%pB: support for local dynamic not implemented"), |
07d6d2b8 AM |
1371 | input_bfd); |
1372 | bfd_set_error (bfd_error_bad_value); | |
1373 | return FALSE; | |
1374 | ||
07d6d2b8 AM |
1375 | case R_OR1K_TLS_GD_HI16: |
1376 | case R_OR1K_TLS_GD_LO16: | |
1377 | case R_OR1K_TLS_IE_HI16: | |
1378 | case R_OR1K_TLS_IE_LO16: | |
1c4f3780 | 1379 | case R_OR1K_TLS_IE_AHI16: |
07d6d2b8 AM |
1380 | { |
1381 | bfd_vma gotoff; | |
1382 | Elf_Internal_Rela rela; | |
1383 | bfd_byte *loc; | |
1384 | int dynamic; | |
1385 | ||
1386 | sreloc = bfd_get_section_by_name (dynobj, ".rela.got"); | |
1387 | ||
1388 | /* Mark as TLS related GOT entry by setting | |
1389 | bit 2 as well as bit 1. */ | |
1390 | if (h != NULL) | |
1391 | { | |
1392 | gotoff = h->got.offset; | |
1393 | h->got.offset |= 3; | |
1394 | } | |
1395 | else | |
1396 | { | |
1397 | gotoff = local_got_offsets[r_symndx]; | |
1398 | local_got_offsets[r_symndx] |= 3; | |
1399 | } | |
1400 | ||
1401 | /* Only process the relocation once. */ | |
1402 | if (gotoff & 1) | |
1403 | { | |
1404 | relocation = sgot->output_offset + (gotoff & ~3); | |
1405 | break; | |
1406 | } | |
1407 | ||
1408 | BFD_ASSERT (elf_hash_table (info)->hgot == NULL | |
73589c9d CS |
1409 | || elf_hash_table (info)->hgot->root.u.def.value == 0); |
1410 | ||
07d6d2b8 AM |
1411 | /* Dynamic entries will require relocations. if we do not need |
1412 | them we will just use the default R_OR1K_NONE and | |
1413 | not set anything. */ | |
1414 | dynamic = bfd_link_pic (info) | |
73589c9d CS |
1415 | || (sec && (sec->flags & SEC_ALLOC) != 0 |
1416 | && h != NULL | |
1417 | && (h->root.type == bfd_link_hash_defweak || !h->def_regular)); | |
1418 | ||
07d6d2b8 AM |
1419 | /* Shared GD. */ |
1420 | if (dynamic && (howto->type == R_OR1K_TLS_GD_HI16 | |
73589c9d | 1421 | || howto->type == R_OR1K_TLS_GD_LO16)) |
07d6d2b8 AM |
1422 | { |
1423 | int i; | |
1424 | ||
1425 | /* Add DTPMOD and DTPOFF GOT and rela entries. */ | |
1426 | for (i = 0; i < 2; ++i) | |
1427 | { | |
f2c1801f | 1428 | rela.r_offset = got_base + gotoff + i*4; |
07d6d2b8 AM |
1429 | if (h != NULL && h->dynindx != -1) |
1430 | { | |
1431 | rela.r_info = ELF32_R_INFO (h->dynindx, | |
1432 | (i == 0 ? R_OR1K_TLS_DTPMOD : R_OR1K_TLS_DTPOFF)); | |
1433 | rela.r_addend = 0; | |
1434 | } | |
1435 | else | |
1436 | { | |
1437 | rela.r_info = ELF32_R_INFO (0, | |
1438 | (i == 0 ? R_OR1K_TLS_DTPMOD : R_OR1K_TLS_DTPOFF)); | |
1439 | rela.r_addend = tpoff (info, relocation); | |
1440 | } | |
1441 | ||
1442 | loc = sreloc->contents; | |
1443 | loc += sreloc->reloc_count++ * | |
1444 | sizeof (Elf32_External_Rela); | |
1445 | ||
1446 | bfd_elf32_swap_reloca_out (output_bfd, &rela, loc); | |
1447 | bfd_put_32 (output_bfd, 0, sgot->contents + gotoff + i*4); | |
1448 | } | |
1449 | } | |
1450 | /* Static GD. */ | |
1451 | else if (howto->type == R_OR1K_TLS_GD_HI16 | |
1452 | || howto->type == R_OR1K_TLS_GD_LO16) | |
1453 | { | |
1454 | bfd_put_32 (output_bfd, 1, sgot->contents + gotoff); | |
1455 | bfd_put_32 (output_bfd, tpoff (info, relocation), | |
1456 | sgot->contents + gotoff + 4); | |
1457 | } | |
1458 | /* Shared IE. */ | |
1459 | else if (dynamic) | |
1460 | { | |
1461 | /* Add TPOFF GOT and rela entries. */ | |
f2c1801f | 1462 | rela.r_offset = got_base + gotoff; |
07d6d2b8 AM |
1463 | if (h != NULL && h->dynindx != -1) |
1464 | { | |
1465 | rela.r_info = ELF32_R_INFO (h->dynindx, R_OR1K_TLS_TPOFF); | |
1466 | rela.r_addend = 0; | |
1467 | } | |
1468 | else | |
1469 | { | |
1470 | rela.r_info = ELF32_R_INFO (0, R_OR1K_TLS_TPOFF); | |
1471 | rela.r_addend = tpoff (info, relocation); | |
1472 | } | |
1473 | ||
1474 | loc = sreloc->contents; | |
1475 | loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela); | |
1476 | ||
1477 | bfd_elf32_swap_reloca_out (output_bfd, &rela, loc); | |
1478 | bfd_put_32 (output_bfd, 0, sgot->contents + gotoff); | |
1479 | } | |
1480 | /* Static IE. */ | |
1481 | else | |
1482 | { | |
1483 | bfd_put_32 (output_bfd, tpoff (info, relocation), | |
73589c9d | 1484 | sgot->contents + gotoff); |
07d6d2b8 AM |
1485 | } |
1486 | relocation = sgot->output_offset + gotoff; | |
1487 | break; | |
1488 | } | |
1c4f3780 | 1489 | |
07d6d2b8 AM |
1490 | case R_OR1K_TLS_LE_HI16: |
1491 | case R_OR1K_TLS_LE_LO16: | |
1c4f3780 RH |
1492 | case R_OR1K_TLS_LE_AHI16: |
1493 | case R_OR1K_TLS_LE_SLO16: | |
07d6d2b8 AM |
1494 | /* Relocation is offset from TP. */ |
1495 | relocation = tpoff (info, relocation); | |
1496 | break; | |
1497 | ||
1498 | case R_OR1K_TLS_DTPMOD: | |
1499 | case R_OR1K_TLS_DTPOFF: | |
1500 | case R_OR1K_TLS_TPOFF: | |
1501 | /* These are resolved dynamically on load and shouldn't | |
1502 | be used as linker input. */ | |
1503 | BFD_FAIL (); | |
4eca0228 | 1504 | _bfd_error_handler |
871b3ab2 | 1505 | (_("%pB: will not resolve runtime TLS relocation"), |
07d6d2b8 AM |
1506 | input_bfd); |
1507 | bfd_set_error (bfd_error_bad_value); | |
1508 | return FALSE; | |
1509 | ||
1510 | default: | |
1511 | break; | |
1512 | } | |
1c4f3780 RH |
1513 | |
1514 | r = or1k_final_link_relocate (howto, input_bfd, input_section, contents, | |
1515 | rel->r_offset, relocation + rel->r_addend); | |
73589c9d CS |
1516 | |
1517 | if (r != bfd_reloc_ok) | |
07d6d2b8 AM |
1518 | { |
1519 | const char *msg = NULL; | |
73589c9d | 1520 | |
07d6d2b8 AM |
1521 | switch (r) |
1522 | { | |
1523 | case bfd_reloc_overflow: | |
1a72702b | 1524 | (*info->callbacks->reloc_overflow) |
07d6d2b8 AM |
1525 | (info, (h ? &h->root : NULL), name, howto->name, |
1526 | (bfd_vma) 0, input_bfd, input_section, rel->r_offset); | |
1527 | break; | |
73589c9d | 1528 | |
07d6d2b8 | 1529 | case bfd_reloc_undefined: |
1a72702b | 1530 | (*info->callbacks->undefined_symbol) |
07d6d2b8 AM |
1531 | (info, name, input_bfd, input_section, rel->r_offset, TRUE); |
1532 | break; | |
73589c9d | 1533 | |
07d6d2b8 AM |
1534 | case bfd_reloc_outofrange: |
1535 | msg = _("internal error: out of range error"); | |
1536 | break; | |
73589c9d | 1537 | |
07d6d2b8 AM |
1538 | case bfd_reloc_notsupported: |
1539 | msg = _("internal error: unsupported relocation error"); | |
1540 | break; | |
73589c9d | 1541 | |
07d6d2b8 AM |
1542 | case bfd_reloc_dangerous: |
1543 | msg = _("internal error: dangerous relocation"); | |
1544 | break; | |
73589c9d | 1545 | |
07d6d2b8 AM |
1546 | default: |
1547 | msg = _("internal error: unknown error"); | |
1548 | break; | |
1549 | } | |
73589c9d | 1550 | |
07d6d2b8 | 1551 | if (msg) |
1a72702b AM |
1552 | (*info->callbacks->warning) (info, msg, name, input_bfd, |
1553 | input_section, rel->r_offset); | |
07d6d2b8 | 1554 | } |
73589c9d CS |
1555 | } |
1556 | ||
f2c1801f | 1557 | return ret_val; |
73589c9d CS |
1558 | } |
1559 | ||
1560 | /* Return the section that should be marked against GC for a given | |
1561 | relocation. */ | |
1562 | ||
1563 | static asection * | |
1564 | or1k_elf_gc_mark_hook (asection *sec, | |
1565 | struct bfd_link_info *info, | |
1566 | Elf_Internal_Rela *rel, | |
1567 | struct elf_link_hash_entry *h, | |
1568 | Elf_Internal_Sym *sym) | |
1569 | { | |
1570 | if (h != NULL) | |
1571 | switch (ELF32_R_TYPE (rel->r_info)) | |
1572 | { | |
1573 | case R_OR1K_GNU_VTINHERIT: | |
1574 | case R_OR1K_GNU_VTENTRY: | |
07d6d2b8 | 1575 | return NULL; |
73589c9d CS |
1576 | } |
1577 | ||
1578 | return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym); | |
1579 | } | |
1580 | ||
73589c9d CS |
1581 | /* Look through the relocs for a section during the first phase. */ |
1582 | ||
1583 | static bfd_boolean | |
1584 | or1k_elf_check_relocs (bfd *abfd, | |
1585 | struct bfd_link_info *info, | |
1586 | asection *sec, | |
1587 | const Elf_Internal_Rela *relocs) | |
1588 | { | |
1589 | Elf_Internal_Shdr *symtab_hdr; | |
1590 | struct elf_link_hash_entry **sym_hashes; | |
1591 | const Elf_Internal_Rela *rel; | |
1592 | ||
1593 | const Elf_Internal_Rela *rel_end; | |
1594 | struct elf_or1k_link_hash_table *htab; | |
1595 | bfd *dynobj; | |
1596 | asection *sreloc = NULL; | |
1597 | ||
0e1862bb | 1598 | if (bfd_link_relocatable (info)) |
73589c9d CS |
1599 | return TRUE; |
1600 | ||
65281396 AM |
1601 | /* Don't do anything special with non-loaded, non-alloced sections. |
1602 | In particular, any relocs in such sections should not affect GOT | |
1603 | and PLT reference counting (ie. we don't allow them to create GOT | |
1604 | or PLT entries), there's no possibility or desire to optimize TLS | |
1605 | relocs, and there's not much point in propagating relocs to shared | |
1606 | libs that the dynamic linker won't relocate. */ | |
1607 | if ((sec->flags & SEC_ALLOC) == 0) | |
1608 | return TRUE; | |
1609 | ||
73589c9d CS |
1610 | symtab_hdr = &elf_tdata (abfd)->symtab_hdr; |
1611 | sym_hashes = elf_sym_hashes (abfd); | |
1612 | ||
1613 | htab = or1k_elf_hash_table (info); | |
1614 | if (htab == NULL) | |
1615 | return FALSE; | |
1616 | ||
1617 | dynobj = htab->root.dynobj; | |
1618 | ||
1619 | rel_end = relocs + sec->reloc_count; | |
1620 | for (rel = relocs; rel < rel_end; rel++) | |
1621 | { | |
1622 | struct elf_link_hash_entry *h; | |
1623 | unsigned long r_symndx; | |
1624 | unsigned char tls_type; | |
1c4f3780 | 1625 | int r_type; |
73589c9d CS |
1626 | |
1627 | r_symndx = ELF32_R_SYM (rel->r_info); | |
1628 | if (r_symndx < symtab_hdr->sh_info) | |
07d6d2b8 | 1629 | h = NULL; |
73589c9d | 1630 | else |
07d6d2b8 AM |
1631 | { |
1632 | h = sym_hashes[r_symndx - symtab_hdr->sh_info]; | |
1633 | while (h->root.type == bfd_link_hash_indirect | |
1634 | || h->root.type == bfd_link_hash_warning) | |
1635 | h = (struct elf_link_hash_entry *) h->root.u.i.link; | |
1636 | } | |
73589c9d | 1637 | |
1c4f3780 RH |
1638 | r_type = ELF32_R_TYPE (rel->r_info); |
1639 | switch (r_type) | |
07d6d2b8 AM |
1640 | { |
1641 | case R_OR1K_TLS_GD_HI16: | |
1642 | case R_OR1K_TLS_GD_LO16: | |
1643 | tls_type = TLS_GD; | |
1644 | break; | |
1645 | case R_OR1K_TLS_LDM_HI16: | |
1646 | case R_OR1K_TLS_LDM_LO16: | |
1647 | case R_OR1K_TLS_LDO_HI16: | |
1648 | case R_OR1K_TLS_LDO_LO16: | |
1649 | tls_type = TLS_LD; | |
1650 | break; | |
1651 | case R_OR1K_TLS_IE_HI16: | |
1652 | case R_OR1K_TLS_IE_LO16: | |
1c4f3780 | 1653 | case R_OR1K_TLS_IE_AHI16: |
07d6d2b8 AM |
1654 | tls_type = TLS_IE; |
1655 | break; | |
1656 | case R_OR1K_TLS_LE_HI16: | |
1657 | case R_OR1K_TLS_LE_LO16: | |
1c4f3780 RH |
1658 | case R_OR1K_TLS_LE_AHI16: |
1659 | case R_OR1K_TLS_LE_SLO16: | |
07d6d2b8 AM |
1660 | tls_type = TLS_LE; |
1661 | break; | |
1662 | default: | |
1663 | tls_type = TLS_NONE; | |
1664 | } | |
73589c9d CS |
1665 | |
1666 | /* Record TLS type. */ | |
1667 | if (h != NULL) | |
07d6d2b8 | 1668 | ((struct elf_or1k_link_hash_entry *) h)->tls_type = tls_type; |
73589c9d | 1669 | else |
07d6d2b8 AM |
1670 | { |
1671 | unsigned char *local_tls_type; | |
1672 | ||
1673 | /* This is a TLS type record for a local symbol. */ | |
1674 | local_tls_type = (unsigned char *) elf_or1k_local_tls_type (abfd); | |
1675 | if (local_tls_type == NULL) | |
1676 | { | |
1677 | bfd_size_type size; | |
1678 | ||
1679 | size = symtab_hdr->sh_info; | |
1680 | local_tls_type = bfd_zalloc (abfd, size); | |
1681 | if (local_tls_type == NULL) | |
1682 | return FALSE; | |
1683 | elf_or1k_local_tls_type (abfd) = local_tls_type; | |
1684 | } | |
1685 | local_tls_type[r_symndx] = tls_type; | |
1686 | } | |
73589c9d | 1687 | |
1c4f3780 | 1688 | switch (r_type) |
07d6d2b8 AM |
1689 | { |
1690 | /* This relocation describes the C++ object vtable hierarchy. | |
1691 | Reconstruct it for later use during GC. */ | |
1692 | case R_OR1K_GNU_VTINHERIT: | |
1693 | if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset)) | |
1694 | return FALSE; | |
1695 | break; | |
1696 | ||
1697 | /* This relocation describes which C++ vtable entries are actually | |
1698 | used. Record for later use during GC. */ | |
1699 | case R_OR1K_GNU_VTENTRY: | |
1700 | BFD_ASSERT (h != NULL); | |
1701 | if (h != NULL | |
1702 | && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend)) | |
1703 | return FALSE; | |
1704 | break; | |
1705 | ||
1706 | /* This relocation requires .plt entry. */ | |
1707 | case R_OR1K_PLT26: | |
1708 | if (h != NULL) | |
1709 | { | |
1710 | h->needs_plt = 1; | |
1711 | h->plt.refcount += 1; | |
1712 | } | |
1713 | break; | |
1714 | ||
1715 | case R_OR1K_GOT16: | |
07d6d2b8 AM |
1716 | case R_OR1K_TLS_GD_HI16: |
1717 | case R_OR1K_TLS_GD_LO16: | |
1718 | case R_OR1K_TLS_IE_HI16: | |
1719 | case R_OR1K_TLS_IE_LO16: | |
1c4f3780 | 1720 | case R_OR1K_TLS_IE_AHI16: |
07d6d2b8 AM |
1721 | if (h != NULL) |
1722 | h->got.refcount += 1; | |
1723 | else | |
1724 | { | |
1725 | bfd_signed_vma *local_got_refcounts; | |
1726 | ||
1727 | /* This is a global offset table entry for a local symbol. */ | |
1728 | local_got_refcounts = elf_local_got_refcounts (abfd); | |
1729 | if (local_got_refcounts == NULL) | |
1730 | { | |
1731 | bfd_size_type size; | |
1732 | ||
1733 | size = symtab_hdr->sh_info; | |
1734 | size *= sizeof (bfd_signed_vma); | |
1735 | local_got_refcounts = bfd_zalloc (abfd, size); | |
1736 | if (local_got_refcounts == NULL) | |
1737 | return FALSE; | |
1738 | elf_local_got_refcounts (abfd) = local_got_refcounts; | |
1739 | } | |
1740 | local_got_refcounts[r_symndx] += 1; | |
1741 | } | |
1c4f3780 RH |
1742 | /* FALLTHRU */ |
1743 | ||
1744 | case R_OR1K_GOTOFF_HI16: | |
1745 | case R_OR1K_GOTOFF_LO16: | |
1746 | case R_OR1K_GOTOFF_AHI16: | |
1747 | case R_OR1K_GOTOFF_SLO16: | |
1748 | if (htab->root.sgot == NULL) | |
1749 | { | |
1750 | if (dynobj == NULL) | |
1751 | htab->root.dynobj = dynobj = abfd; | |
1752 | if (!_bfd_elf_create_got_section (dynobj, info)) | |
1753 | return FALSE; | |
07d6d2b8 AM |
1754 | } |
1755 | break; | |
1756 | ||
1757 | case R_OR1K_INSN_REL_26: | |
1758 | case R_OR1K_HI_16_IN_INSN: | |
1759 | case R_OR1K_LO_16_IN_INSN: | |
1c4f3780 RH |
1760 | case R_OR1K_AHI16: |
1761 | case R_OR1K_SLO16: | |
07d6d2b8 | 1762 | case R_OR1K_32: |
07d6d2b8 AM |
1763 | { |
1764 | if (h != NULL && !bfd_link_pic (info)) | |
1765 | { | |
1766 | /* We may need a copy reloc. */ | |
1767 | h->non_got_ref = 1; | |
1768 | ||
1769 | /* We may also need a .plt entry. */ | |
1770 | h->plt.refcount += 1; | |
1c4f3780 | 1771 | if (r_type != R_OR1K_INSN_REL_26) |
07d6d2b8 AM |
1772 | h->pointer_equality_needed = 1; |
1773 | } | |
1774 | ||
1775 | /* If we are creating a shared library, and this is a reloc | |
1776 | against a global symbol, or a non PC relative reloc | |
1777 | against a local symbol, then we need to copy the reloc | |
1778 | into the shared library. However, if we are linking with | |
1779 | -Bsymbolic, we do not need to copy a reloc against a | |
1780 | global symbol which is defined in an object we are | |
1781 | including in the link (i.e., DEF_REGULAR is set). At | |
1782 | this point we have not seen all the input files, so it is | |
1783 | possible that DEF_REGULAR is not set now but will be set | |
1784 | later (it is never cleared). In case of a weak definition, | |
1785 | DEF_REGULAR may be cleared later by a strong definition in | |
1786 | a shared library. We account for that possibility below by | |
1787 | storing information in the relocs_copied field of the hash | |
1788 | table entry. A similar situation occurs when creating | |
1789 | shared libraries and symbol visibility changes render the | |
1790 | symbol local. | |
1791 | ||
1792 | If on the other hand, we are creating an executable, we | |
1793 | may need to keep relocations for symbols satisfied by a | |
1794 | dynamic library if we manage to avoid copy relocs for the | |
1795 | symbol. */ | |
1796 | ||
1797 | if ((bfd_link_pic (info) | |
1798 | && (sec->flags & SEC_ALLOC) != 0 | |
1c4f3780 | 1799 | && (r_type != R_OR1K_INSN_REL_26 |
07d6d2b8 AM |
1800 | || (h != NULL |
1801 | && (!SYMBOLIC_BIND (info, h) | |
1802 | || h->root.type == bfd_link_hash_defweak | |
1803 | || !h->def_regular)))) | |
1804 | || (!bfd_link_pic (info) | |
1805 | && (sec->flags & SEC_ALLOC) != 0 | |
1806 | && h != NULL | |
1807 | && (h->root.type == bfd_link_hash_defweak | |
1808 | || !h->def_regular))) | |
1809 | { | |
1810 | struct elf_dyn_relocs *p; | |
1811 | struct elf_dyn_relocs **head; | |
1812 | ||
1813 | /* When creating a shared object, we must copy these | |
1814 | relocs into the output file. We create a reloc | |
1815 | section in dynobj and make room for the reloc. */ | |
1816 | if (sreloc == NULL) | |
1817 | { | |
1818 | const char *name; | |
1819 | unsigned int strndx = elf_elfheader (abfd)->e_shstrndx; | |
1820 | unsigned int shnam = _bfd_elf_single_rel_hdr (sec)->sh_name; | |
1821 | ||
1822 | name = bfd_elf_string_from_elf_section (abfd, strndx, shnam); | |
1823 | if (name == NULL) | |
1824 | return FALSE; | |
1825 | ||
1826 | if (strncmp (name, ".rela", 5) != 0 | |
1827 | || strcmp (bfd_get_section_name (abfd, sec), | |
1828 | name + 5) != 0) | |
1829 | { | |
4eca0228 | 1830 | _bfd_error_handler |
695344c0 | 1831 | /* xgettext:c-format */ |
871b3ab2 | 1832 | (_("%pB: bad relocation section name `%s\'"), |
07d6d2b8 AM |
1833 | abfd, name); |
1834 | } | |
1835 | ||
1836 | if (htab->root.dynobj == NULL) | |
1837 | htab->root.dynobj = abfd; | |
1838 | dynobj = htab->root.dynobj; | |
1839 | ||
1840 | sreloc = bfd_get_section_by_name (dynobj, name); | |
1841 | if (sreloc == NULL) | |
1842 | { | |
1843 | sreloc = _bfd_elf_make_dynamic_reloc_section | |
1844 | (sec, dynobj, 2, abfd, /*rela?*/ TRUE); | |
1845 | ||
1846 | if (sreloc == NULL) | |
1847 | return FALSE; | |
1848 | } | |
1849 | elf_section_data (sec)->sreloc = sreloc; | |
1850 | } | |
1851 | ||
1852 | /* If this is a global symbol, we count the number of | |
1853 | relocations we need for this symbol. */ | |
1854 | if (h != NULL) | |
1855 | head = &((struct elf_or1k_link_hash_entry *) h)->dyn_relocs; | |
1856 | else | |
1857 | { | |
1858 | /* Track dynamic relocs needed for local syms too. | |
1859 | We really need local syms available to do this | |
1860 | easily. Oh well. */ | |
1861 | ||
1862 | asection *s; | |
1863 | Elf_Internal_Sym *isym; | |
1864 | void *vpp; | |
1865 | ||
1866 | isym = bfd_sym_from_r_symndx (&htab->sym_sec, | |
1867 | abfd, r_symndx); | |
1868 | if (isym == NULL) | |
1869 | return FALSE; | |
1870 | ||
1871 | s = bfd_section_from_elf_index (abfd, isym->st_shndx); | |
1872 | if (s == NULL) | |
1873 | return FALSE; | |
1874 | ||
1875 | vpp = &elf_section_data (s)->local_dynrel; | |
1876 | head = (struct elf_dyn_relocs **) vpp; | |
1877 | } | |
1878 | ||
1879 | p = *head; | |
1880 | if (p == NULL || p->sec != sec) | |
1881 | { | |
1882 | bfd_size_type amt = sizeof *p; | |
1883 | p = ((struct elf_dyn_relocs *) | |
1884 | bfd_alloc (htab->root.dynobj, amt)); | |
1885 | if (p == NULL) | |
1886 | return FALSE; | |
1887 | p->next = *head; | |
1888 | *head = p; | |
1889 | p->sec = sec; | |
1890 | p->count = 0; | |
1891 | p->pc_count = 0; | |
1892 | } | |
1893 | ||
1894 | p->count += 1; | |
1c4f3780 | 1895 | if (r_type == R_OR1K_INSN_REL_26) |
07d6d2b8 AM |
1896 | p->pc_count += 1; |
1897 | } | |
1898 | } | |
1899 | break; | |
1900 | } | |
73589c9d CS |
1901 | } |
1902 | ||
1903 | return TRUE; | |
1904 | } | |
1905 | ||
1906 | /* Finish up the dynamic sections. */ | |
1907 | ||
1908 | static bfd_boolean | |
1909 | or1k_elf_finish_dynamic_sections (bfd *output_bfd, | |
07d6d2b8 | 1910 | struct bfd_link_info *info) |
73589c9d CS |
1911 | { |
1912 | bfd *dynobj; | |
1913 | asection *sdyn, *sgot; | |
1914 | struct elf_or1k_link_hash_table *htab; | |
1915 | ||
1916 | htab = or1k_elf_hash_table (info); | |
1917 | if (htab == NULL) | |
1918 | return FALSE; | |
1919 | ||
1920 | dynobj = htab->root.dynobj; | |
1921 | ||
ce558b89 | 1922 | sgot = htab->root.sgotplt; |
73589c9d CS |
1923 | sdyn = bfd_get_section_by_name (dynobj, ".dynamic"); |
1924 | ||
1925 | if (htab->root.dynamic_sections_created) | |
1926 | { | |
1927 | asection *splt; | |
1928 | Elf32_External_Dyn *dyncon, *dynconend; | |
1929 | ||
1930 | BFD_ASSERT (sgot != NULL && sdyn != NULL); | |
1931 | ||
1932 | dyncon = (Elf32_External_Dyn *) sdyn->contents; | |
1933 | dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size); | |
1934 | ||
1935 | for (; dyncon < dynconend; dyncon++) | |
07d6d2b8 AM |
1936 | { |
1937 | Elf_Internal_Dyn dyn; | |
1938 | asection *s; | |
73589c9d | 1939 | |
07d6d2b8 | 1940 | bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn); |
73589c9d | 1941 | |
07d6d2b8 AM |
1942 | switch (dyn.d_tag) |
1943 | { | |
1944 | default: | |
1945 | continue; | |
73589c9d | 1946 | |
07d6d2b8 AM |
1947 | case DT_PLTGOT: |
1948 | s = htab->root.sgotplt; | |
1949 | dyn.d_un.d_ptr = s->output_section->vma + s->output_offset; | |
1950 | break; | |
73589c9d | 1951 | |
07d6d2b8 AM |
1952 | case DT_JMPREL: |
1953 | s = htab->root.srelplt; | |
1954 | dyn.d_un.d_ptr = s->output_section->vma + s->output_offset; | |
1955 | break; | |
73589c9d | 1956 | |
07d6d2b8 AM |
1957 | case DT_PLTRELSZ: |
1958 | s = htab->root.srelplt; | |
1959 | dyn.d_un.d_val = s->size; | |
1960 | break; | |
1961 | } | |
1962 | bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon); | |
1963 | } | |
73589c9d CS |
1964 | |
1965 | ||
1966 | /* Fill in the first entry in the procedure linkage table. */ | |
ce558b89 | 1967 | splt = htab->root.splt; |
73589c9d | 1968 | if (splt && splt->size > 0) |
07d6d2b8 AM |
1969 | { |
1970 | if (bfd_link_pic (info)) | |
1971 | { | |
1972 | bfd_put_32 (output_bfd, PLT0_PIC_ENTRY_WORD0, | |
1973 | splt->contents); | |
1974 | bfd_put_32 (output_bfd, PLT0_PIC_ENTRY_WORD1, | |
1975 | splt->contents + 4); | |
1976 | bfd_put_32 (output_bfd, PLT0_PIC_ENTRY_WORD2, | |
1977 | splt->contents + 8); | |
1978 | bfd_put_32 (output_bfd, PLT0_PIC_ENTRY_WORD3, | |
1979 | splt->contents + 12); | |
1980 | bfd_put_32 (output_bfd, PLT0_PIC_ENTRY_WORD4, | |
1981 | splt->contents + 16); | |
1982 | } | |
1983 | else | |
1984 | { | |
1985 | unsigned long addr; | |
1986 | /* addr = .got + 4 */ | |
1987 | addr = sgot->output_section->vma + sgot->output_offset + 4; | |
1988 | bfd_put_32 (output_bfd, | |
1989 | PLT0_ENTRY_WORD0 | ((addr >> 16) & 0xffff), | |
1990 | splt->contents); | |
1991 | bfd_put_32 (output_bfd, | |
1992 | PLT0_ENTRY_WORD1 | (addr & 0xffff), | |
1993 | splt->contents + 4); | |
1994 | bfd_put_32 (output_bfd, PLT0_ENTRY_WORD2, splt->contents + 8); | |
1995 | bfd_put_32 (output_bfd, PLT0_ENTRY_WORD3, splt->contents + 12); | |
1996 | bfd_put_32 (output_bfd, PLT0_ENTRY_WORD4, splt->contents + 16); | |
1997 | } | |
1998 | ||
1999 | elf_section_data (splt->output_section)->this_hdr.sh_entsize = 4; | |
2000 | } | |
73589c9d CS |
2001 | } |
2002 | ||
2003 | /* Set the first entry in the global offset table to the address of | |
2004 | the dynamic section. */ | |
2005 | if (sgot && sgot->size > 0) | |
2006 | { | |
2007 | if (sdyn == NULL) | |
07d6d2b8 | 2008 | bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents); |
73589c9d | 2009 | else |
07d6d2b8 AM |
2010 | bfd_put_32 (output_bfd, |
2011 | sdyn->output_section->vma + sdyn->output_offset, | |
2012 | sgot->contents); | |
73589c9d CS |
2013 | elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 4; |
2014 | } | |
2015 | ||
ce558b89 AM |
2016 | if (htab->root.sgot && htab->root.sgot->size > 0) |
2017 | elf_section_data (htab->root.sgot->output_section)->this_hdr.sh_entsize = 4; | |
73589c9d CS |
2018 | |
2019 | return TRUE; | |
2020 | } | |
2021 | ||
2022 | /* Finish up dynamic symbol handling. We set the contents of various | |
2023 | dynamic sections here. */ | |
2024 | ||
2025 | static bfd_boolean | |
2026 | or1k_elf_finish_dynamic_symbol (bfd *output_bfd, | |
07d6d2b8 AM |
2027 | struct bfd_link_info *info, |
2028 | struct elf_link_hash_entry *h, | |
2029 | Elf_Internal_Sym *sym) | |
73589c9d CS |
2030 | { |
2031 | struct elf_or1k_link_hash_table *htab; | |
2032 | bfd_byte *loc; | |
2033 | ||
2034 | htab = or1k_elf_hash_table (info); | |
2035 | if (htab == NULL) | |
2036 | return FALSE; | |
2037 | ||
2038 | if (h->plt.offset != (bfd_vma) -1) | |
2039 | { | |
2040 | asection *splt; | |
2041 | asection *sgot; | |
2042 | asection *srela; | |
2043 | ||
2044 | bfd_vma plt_index; | |
2045 | bfd_vma got_offset; | |
2046 | bfd_vma got_addr; | |
2047 | Elf_Internal_Rela rela; | |
2048 | ||
2049 | /* This symbol has an entry in the procedure linkage table. Set | |
07d6d2b8 | 2050 | it up. */ |
73589c9d CS |
2051 | BFD_ASSERT (h->dynindx != -1); |
2052 | ||
ce558b89 AM |
2053 | splt = htab->root.splt; |
2054 | sgot = htab->root.sgotplt; | |
2055 | srela = htab->root.srelplt; | |
73589c9d CS |
2056 | BFD_ASSERT (splt != NULL && sgot != NULL && srela != NULL); |
2057 | ||
2058 | /* Get the index in the procedure linkage table which | |
07d6d2b8 AM |
2059 | corresponds to this symbol. This is the index of this symbol |
2060 | in all the symbols for which we are making plt entries. The | |
2061 | first entry in the procedure linkage table is reserved. */ | |
73589c9d CS |
2062 | plt_index = h->plt.offset / PLT_ENTRY_SIZE - 1; |
2063 | ||
2064 | /* Get the offset into the .got table of the entry that | |
07d6d2b8 AM |
2065 | corresponds to this function. Each .got entry is 4 bytes. |
2066 | The first three are reserved. */ | |
73589c9d CS |
2067 | got_offset = (plt_index + 3) * 4; |
2068 | got_addr = got_offset; | |
2069 | ||
2070 | /* Fill in the entry in the procedure linkage table. */ | |
0e1862bb | 2071 | if (! bfd_link_pic (info)) |
07d6d2b8 AM |
2072 | { |
2073 | got_addr += htab->root.sgotplt->output_section->vma | |
2074 | + htab->root.sgotplt->output_offset; | |
2075 | bfd_put_32 (output_bfd, PLT_ENTRY_WORD0 | ((got_addr >> 16) & 0xffff), | |
2076 | splt->contents + h->plt.offset); | |
2077 | bfd_put_32 (output_bfd, PLT_ENTRY_WORD1 | (got_addr & 0xffff), | |
2078 | splt->contents + h->plt.offset + 4); | |
2079 | bfd_put_32 (output_bfd, (bfd_vma) PLT_ENTRY_WORD2, | |
2080 | splt->contents + h->plt.offset + 8); | |
2081 | bfd_put_32 (output_bfd, (bfd_vma) PLT_ENTRY_WORD3, | |
2082 | splt->contents + h->plt.offset + 12); | |
2083 | bfd_put_32 (output_bfd, PLT_ENTRY_WORD4 | |
2084 | | plt_index * sizeof (Elf32_External_Rela), | |
2085 | splt->contents + h->plt.offset + 16); | |
2086 | } | |
73589c9d | 2087 | else |
07d6d2b8 AM |
2088 | { |
2089 | bfd_put_32 (output_bfd, PLT_PIC_ENTRY_WORD0 | (got_addr & 0xffff), | |
2090 | splt->contents + h->plt.offset); | |
2091 | bfd_put_32 (output_bfd, PLT_PIC_ENTRY_WORD1 | |
2092 | | plt_index * sizeof (Elf32_External_Rela), | |
2093 | splt->contents + h->plt.offset + 4); | |
2094 | bfd_put_32 (output_bfd, (bfd_vma) PLT_PIC_ENTRY_WORD2, | |
2095 | splt->contents + h->plt.offset + 8); | |
2096 | bfd_put_32 (output_bfd, (bfd_vma) PLT_PIC_ENTRY_WORD3, | |
2097 | splt->contents + h->plt.offset + 12); | |
2098 | bfd_put_32 (output_bfd, (bfd_vma) PLT_PIC_ENTRY_WORD4, | |
2099 | splt->contents + h->plt.offset + 16); | |
2100 | } | |
73589c9d CS |
2101 | |
2102 | /* Fill in the entry in the global offset table. */ | |
2103 | bfd_put_32 (output_bfd, | |
07d6d2b8 AM |
2104 | (splt->output_section->vma |
2105 | + splt->output_offset), /* Same offset. */ | |
2106 | sgot->contents + got_offset); | |
73589c9d CS |
2107 | |
2108 | /* Fill in the entry in the .rela.plt section. */ | |
2109 | rela.r_offset = (sgot->output_section->vma | |
07d6d2b8 AM |
2110 | + sgot->output_offset |
2111 | + got_offset); | |
73589c9d CS |
2112 | rela.r_info = ELF32_R_INFO (h->dynindx, R_OR1K_JMP_SLOT); |
2113 | rela.r_addend = 0; | |
2114 | loc = srela->contents; | |
2115 | loc += plt_index * sizeof (Elf32_External_Rela); | |
2116 | bfd_elf32_swap_reloca_out (output_bfd, &rela, loc); | |
2117 | ||
2118 | if (!h->def_regular) | |
07d6d2b8 AM |
2119 | { |
2120 | /* Mark the symbol as undefined, rather than as defined in | |
2121 | the .plt section. Leave the value alone. */ | |
2122 | sym->st_shndx = SHN_UNDEF; | |
2123 | } | |
73589c9d CS |
2124 | |
2125 | } | |
2126 | ||
2127 | if (h->got.offset != (bfd_vma) -1 | |
2128 | && (h->got.offset & 2) == 0) /* Homemade TLS check. */ | |
2129 | { | |
2130 | asection *sgot; | |
2131 | asection *srela; | |
2132 | Elf_Internal_Rela rela; | |
2133 | ||
2134 | /* This symbol has an entry in the global offset table. Set it | |
07d6d2b8 | 2135 | up. */ |
ce558b89 AM |
2136 | sgot = htab->root.sgot; |
2137 | srela = htab->root.srelgot; | |
73589c9d CS |
2138 | BFD_ASSERT (sgot != NULL && srela != NULL); |
2139 | ||
2140 | rela.r_offset = (sgot->output_section->vma | |
07d6d2b8 AM |
2141 | + sgot->output_offset |
2142 | + (h->got.offset &~ 1)); | |
73589c9d CS |
2143 | |
2144 | /* If this is a -Bsymbolic link, and the symbol is defined | |
07d6d2b8 AM |
2145 | locally, we just want to emit a RELATIVE reloc. Likewise if |
2146 | the symbol was forced to be local because of a version file. | |
2147 | The entry in the global offset table will already have been | |
2148 | initialized in the relocate_section function. */ | |
0e1862bb | 2149 | if (bfd_link_pic (info) && SYMBOL_REFERENCES_LOCAL (info, h)) |
07d6d2b8 AM |
2150 | { |
2151 | rela.r_info = ELF32_R_INFO (0, R_OR1K_RELATIVE); | |
2152 | rela.r_addend = (h->root.u.def.value | |
2153 | + h->root.u.def.section->output_section->vma | |
2154 | + h->root.u.def.section->output_offset); | |
2155 | } | |
73589c9d | 2156 | else |
07d6d2b8 AM |
2157 | { |
2158 | BFD_ASSERT ((h->got.offset & 1) == 0); | |
2159 | bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset); | |
2160 | rela.r_info = ELF32_R_INFO (h->dynindx, R_OR1K_GLOB_DAT); | |
2161 | rela.r_addend = 0; | |
2162 | } | |
73589c9d CS |
2163 | |
2164 | loc = srela->contents; | |
2165 | loc += srela->reloc_count * sizeof (Elf32_External_Rela); | |
2166 | bfd_elf32_swap_reloca_out (output_bfd, &rela, loc); | |
2167 | ++srela->reloc_count; | |
2168 | } | |
2169 | ||
2170 | if (h->needs_copy) | |
2171 | { | |
2172 | asection *s; | |
2173 | Elf_Internal_Rela rela; | |
2174 | ||
2175 | /* This symbols needs a copy reloc. Set it up. */ | |
2176 | BFD_ASSERT (h->dynindx != -1 | |
07d6d2b8 AM |
2177 | && (h->root.type == bfd_link_hash_defined |
2178 | || h->root.type == bfd_link_hash_defweak)); | |
73589c9d | 2179 | |
73589c9d | 2180 | rela.r_offset = (h->root.u.def.value |
07d6d2b8 AM |
2181 | + h->root.u.def.section->output_section->vma |
2182 | + h->root.u.def.section->output_offset); | |
73589c9d CS |
2183 | rela.r_info = ELF32_R_INFO (h->dynindx, R_OR1K_COPY); |
2184 | rela.r_addend = 0; | |
afbf7e8e | 2185 | if (h->root.u.def.section == htab->root.sdynrelro) |
5474d94f AM |
2186 | s = htab->root.sreldynrelro; |
2187 | else | |
2188 | s = htab->root.srelbss; | |
2189 | loc = s->contents + s->reloc_count * sizeof (Elf32_External_Rela); | |
73589c9d CS |
2190 | bfd_elf32_swap_reloca_out (output_bfd, &rela, loc); |
2191 | ++s->reloc_count; | |
2192 | } | |
2193 | ||
2194 | /* Mark some specially defined symbols as absolute. */ | |
2195 | if (strcmp (h->root.root.string, "_DYNAMIC") == 0 | |
2196 | || h == htab->root.hgot) | |
2197 | sym->st_shndx = SHN_ABS; | |
2198 | ||
2199 | return TRUE; | |
2200 | } | |
2201 | ||
2202 | static enum elf_reloc_type_class | |
2203 | or1k_elf_reloc_type_class (const struct bfd_link_info *info ATTRIBUTE_UNUSED, | |
07d6d2b8 AM |
2204 | const asection *rel_sec ATTRIBUTE_UNUSED, |
2205 | const Elf_Internal_Rela *rela) | |
73589c9d CS |
2206 | { |
2207 | switch ((int) ELF32_R_TYPE (rela->r_info)) | |
2208 | { | |
2209 | case R_OR1K_RELATIVE: return reloc_class_relative; | |
2210 | case R_OR1K_JMP_SLOT: return reloc_class_plt; | |
07d6d2b8 AM |
2211 | case R_OR1K_COPY: return reloc_class_copy; |
2212 | default: return reloc_class_normal; | |
73589c9d CS |
2213 | } |
2214 | } | |
2215 | ||
63c1f59d AM |
2216 | /* Find dynamic relocs for H that apply to read-only sections. */ |
2217 | ||
2218 | static asection * | |
2219 | readonly_dynrelocs (struct elf_link_hash_entry *h) | |
2220 | { | |
3bf083ed | 2221 | struct elf_dyn_relocs *p; |
63c1f59d AM |
2222 | struct elf_or1k_link_hash_entry *eh = (struct elf_or1k_link_hash_entry *) h; |
2223 | ||
2224 | for (p = eh->dyn_relocs; p != NULL; p = p->next) | |
2225 | { | |
2226 | asection *s = p->sec->output_section; | |
2227 | ||
2228 | if (s != NULL && (s->flags & SEC_READONLY) != 0) | |
2229 | return p->sec; | |
2230 | } | |
2231 | return NULL; | |
2232 | } | |
2233 | ||
73589c9d CS |
2234 | /* Adjust a symbol defined by a dynamic object and referenced by a |
2235 | regular object. The current definition is in some section of the | |
2236 | dynamic object, but we're not including those sections. We have to | |
2237 | change the definition to something the rest of the link can | |
2238 | understand. */ | |
2239 | ||
2240 | static bfd_boolean | |
2241 | or1k_elf_adjust_dynamic_symbol (struct bfd_link_info *info, | |
07d6d2b8 | 2242 | struct elf_link_hash_entry *h) |
73589c9d CS |
2243 | { |
2244 | struct elf_or1k_link_hash_table *htab; | |
73589c9d | 2245 | bfd *dynobj; |
5474d94f | 2246 | asection *s, *srel; |
73589c9d CS |
2247 | |
2248 | dynobj = elf_hash_table (info)->dynobj; | |
2249 | ||
2250 | /* Make sure we know what is going on here. */ | |
2251 | BFD_ASSERT (dynobj != NULL | |
07d6d2b8 AM |
2252 | && (h->needs_plt |
2253 | || h->is_weakalias | |
2254 | || (h->def_dynamic | |
2255 | && h->ref_regular | |
2256 | && !h->def_regular))); | |
73589c9d CS |
2257 | |
2258 | /* If this is a function, put it in the procedure linkage table. We | |
2259 | will fill in the contents of the procedure linkage table later, | |
2260 | when we know the address of the .got section. */ | |
2261 | if (h->type == STT_FUNC | |
2262 | || h->needs_plt) | |
2263 | { | |
0e1862bb | 2264 | if (! bfd_link_pic (info) |
07d6d2b8 AM |
2265 | && !h->def_dynamic |
2266 | && !h->ref_dynamic | |
2267 | && h->root.type != bfd_link_hash_undefweak | |
2268 | && h->root.type != bfd_link_hash_undefined) | |
2269 | { | |
2270 | /* This case can occur if we saw a PLT reloc in an input | |
2271 | file, but the symbol was never referred to by a dynamic | |
2272 | object. In such a case, we don't actually need to build | |
2273 | a procedure linkage table, and we can just do a PCREL | |
2274 | reloc instead. */ | |
2275 | h->plt.offset = (bfd_vma) -1; | |
2276 | h->needs_plt = 0; | |
2277 | } | |
73589c9d CS |
2278 | |
2279 | return TRUE; | |
2280 | } | |
2281 | else | |
2282 | h->plt.offset = (bfd_vma) -1; | |
2283 | ||
2284 | /* If this is a weak symbol, and there is a real definition, the | |
2285 | processor independent code will have arranged for us to see the | |
2286 | real definition first, and we can just use the same value. */ | |
60d67dc8 | 2287 | if (h->is_weakalias) |
73589c9d | 2288 | { |
60d67dc8 AM |
2289 | struct elf_link_hash_entry *def = weakdef (h); |
2290 | BFD_ASSERT (def->root.type == bfd_link_hash_defined); | |
2291 | h->root.u.def.section = def->root.u.def.section; | |
2292 | h->root.u.def.value = def->root.u.def.value; | |
73589c9d CS |
2293 | return TRUE; |
2294 | } | |
2295 | ||
2296 | /* This is a reference to a symbol defined by a dynamic object which | |
2297 | is not a function. */ | |
2298 | ||
2299 | /* If we are creating a shared library, we must presume that the | |
2300 | only references to the symbol are via the global offset table. | |
2301 | For such cases we need not do anything here; the relocations will | |
2302 | be handled correctly by relocate_section. */ | |
0e1862bb | 2303 | if (bfd_link_pic (info)) |
73589c9d CS |
2304 | return TRUE; |
2305 | ||
2306 | /* If there are no references to this symbol that do not use the | |
2307 | GOT, we don't need to generate a copy reloc. */ | |
2308 | if (!h->non_got_ref) | |
2309 | return TRUE; | |
2310 | ||
2311 | /* If -z nocopyreloc was given, we won't generate them either. */ | |
2312 | if (info->nocopyreloc) | |
2313 | { | |
2314 | h->non_got_ref = 0; | |
2315 | return TRUE; | |
2316 | } | |
2317 | ||
3bf083ed AM |
2318 | /* If we don't find any dynamic relocs in read-only sections, then |
2319 | we'll be keeping the dynamic relocs and avoiding the copy reloc. */ | |
2320 | if (!readonly_dynrelocs (h)) | |
73589c9d CS |
2321 | { |
2322 | h->non_got_ref = 0; | |
2323 | return TRUE; | |
2324 | } | |
2325 | ||
2326 | /* We must allocate the symbol in our .dynbss section, which will | |
2327 | become part of the .bss section of the executable. There will be | |
2328 | an entry for this symbol in the .dynsym section. The dynamic | |
2329 | object will contain position independent code, so all references | |
2330 | from the dynamic object to this symbol will go through the global | |
2331 | offset table. The dynamic linker will use the .dynsym entry to | |
2332 | determine the address it must put in the global offset table, so | |
2333 | both the dynamic object and the regular object will refer to the | |
2334 | same memory location for the variable. */ | |
2335 | ||
2336 | htab = or1k_elf_hash_table (info); | |
2337 | if (htab == NULL) | |
2338 | return FALSE; | |
2339 | ||
73589c9d CS |
2340 | /* We must generate a R_OR1K_COPY reloc to tell the dynamic linker |
2341 | to copy the initial value out of the dynamic object and into the | |
2342 | runtime process image. We need to remember the offset into the | |
2343 | .rela.bss section we are going to use. */ | |
5474d94f | 2344 | if ((h->root.u.def.section->flags & SEC_READONLY) != 0) |
73589c9d | 2345 | { |
5474d94f AM |
2346 | s = htab->root.sdynrelro; |
2347 | srel = htab->root.sreldynrelro; | |
2348 | } | |
2349 | else | |
2350 | { | |
2351 | s = htab->root.sdynbss; | |
9d19e4fd | 2352 | srel = htab->root.srelbss; |
5474d94f AM |
2353 | } |
2354 | if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0) | |
2355 | { | |
73589c9d CS |
2356 | srel->size += sizeof (Elf32_External_Rela); |
2357 | h->needs_copy = 1; | |
2358 | } | |
2359 | ||
6cabe1ea | 2360 | return _bfd_elf_adjust_dynamic_copy (info, h, s); |
73589c9d CS |
2361 | } |
2362 | ||
2363 | /* Allocate space in .plt, .got and associated reloc sections for | |
2364 | dynamic relocs. */ | |
2365 | ||
2366 | static bfd_boolean | |
2367 | allocate_dynrelocs (struct elf_link_hash_entry *h, void * inf) | |
2368 | { | |
2369 | struct bfd_link_info *info; | |
2370 | struct elf_or1k_link_hash_table *htab; | |
2371 | struct elf_or1k_link_hash_entry *eh; | |
3bf083ed | 2372 | struct elf_dyn_relocs *p; |
73589c9d CS |
2373 | |
2374 | if (h->root.type == bfd_link_hash_indirect) | |
2375 | return TRUE; | |
2376 | ||
2377 | info = (struct bfd_link_info *) inf; | |
2378 | htab = or1k_elf_hash_table (info); | |
2379 | if (htab == NULL) | |
2380 | return FALSE; | |
2381 | ||
2382 | eh = (struct elf_or1k_link_hash_entry *) h; | |
2383 | ||
2384 | if (htab->root.dynamic_sections_created | |
2385 | && h->plt.refcount > 0) | |
2386 | { | |
2387 | /* Make sure this symbol is output as a dynamic symbol. | |
07d6d2b8 | 2388 | Undefined weak syms won't yet be marked as dynamic. */ |
73589c9d | 2389 | if (h->dynindx == -1 |
07d6d2b8 AM |
2390 | && !h->forced_local) |
2391 | { | |
2392 | if (! bfd_elf_link_record_dynamic_symbol (info, h)) | |
2393 | return FALSE; | |
2394 | } | |
73589c9d | 2395 | |
0e1862bb | 2396 | if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, bfd_link_pic (info), h)) |
07d6d2b8 AM |
2397 | { |
2398 | asection *s = htab->root.splt; | |
2399 | ||
2400 | /* If this is the first .plt entry, make room for the special | |
2401 | first entry. */ | |
2402 | if (s->size == 0) | |
2403 | s->size = PLT_ENTRY_SIZE; | |
2404 | ||
2405 | h->plt.offset = s->size; | |
2406 | ||
2407 | /* If this symbol is not defined in a regular file, and we are | |
2408 | not generating a shared library, then set the symbol to this | |
2409 | location in the .plt. This is required to make function | |
2410 | pointers compare as equal between the normal executable and | |
2411 | the shared library. */ | |
2412 | if (! bfd_link_pic (info) | |
2413 | && !h->def_regular) | |
2414 | { | |
2415 | h->root.u.def.section = s; | |
2416 | h->root.u.def.value = h->plt.offset; | |
2417 | } | |
2418 | ||
2419 | /* Make room for this entry. */ | |
2420 | s->size += PLT_ENTRY_SIZE; | |
2421 | ||
2422 | /* We also need to make an entry in the .got.plt section, which | |
2423 | will be placed in the .got section by the linker script. */ | |
2424 | htab->root.sgotplt->size += 4; | |
2425 | ||
2426 | /* We also need to make an entry in the .rel.plt section. */ | |
2427 | htab->root.srelplt->size += sizeof (Elf32_External_Rela); | |
2428 | } | |
73589c9d | 2429 | else |
07d6d2b8 AM |
2430 | { |
2431 | h->plt.offset = (bfd_vma) -1; | |
2432 | h->needs_plt = 0; | |
2433 | } | |
73589c9d CS |
2434 | } |
2435 | else | |
2436 | { | |
2437 | h->plt.offset = (bfd_vma) -1; | |
2438 | h->needs_plt = 0; | |
2439 | } | |
2440 | ||
2441 | if (h->got.refcount > 0) | |
2442 | { | |
2443 | asection *s; | |
2444 | bfd_boolean dyn; | |
2445 | unsigned char tls_type; | |
2446 | ||
2447 | /* Make sure this symbol is output as a dynamic symbol. | |
07d6d2b8 | 2448 | Undefined weak syms won't yet be marked as dynamic. */ |
73589c9d | 2449 | if (h->dynindx == -1 |
07d6d2b8 AM |
2450 | && !h->forced_local) |
2451 | { | |
2452 | if (! bfd_elf_link_record_dynamic_symbol (info, h)) | |
2453 | return FALSE; | |
2454 | } | |
73589c9d | 2455 | |
ce558b89 | 2456 | s = htab->root.sgot; |
73589c9d CS |
2457 | |
2458 | h->got.offset = s->size; | |
2459 | ||
2460 | tls_type = ((struct elf_or1k_link_hash_entry *) h)->tls_type; | |
2461 | ||
2462 | /* TLS GD requires two GOT and two relocs. */ | |
2463 | if (tls_type == TLS_GD) | |
07d6d2b8 | 2464 | s->size += 8; |
73589c9d | 2465 | else |
07d6d2b8 | 2466 | s->size += 4; |
73589c9d | 2467 | dyn = htab->root.dynamic_sections_created; |
0e1862bb | 2468 | if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, bfd_link_pic (info), h)) |
07d6d2b8 AM |
2469 | { |
2470 | if (tls_type == TLS_GD) | |
2471 | htab->root.srelgot->size += 2 * sizeof (Elf32_External_Rela); | |
2472 | else | |
2473 | htab->root.srelgot->size += sizeof (Elf32_External_Rela); | |
2474 | } | |
73589c9d CS |
2475 | } |
2476 | else | |
2477 | h->got.offset = (bfd_vma) -1; | |
2478 | ||
2479 | if (eh->dyn_relocs == NULL) | |
2480 | return TRUE; | |
2481 | ||
2482 | /* In the shared -Bsymbolic case, discard space allocated for | |
2483 | dynamic pc-relative relocs against symbols which turn out to be | |
2484 | defined in regular objects. For the normal shared case, discard | |
2485 | space for pc-relative relocs that have become local due to symbol | |
2486 | visibility changes. */ | |
2487 | ||
0e1862bb | 2488 | if (bfd_link_pic (info)) |
73589c9d | 2489 | { |
ffccb7af | 2490 | if (SYMBOL_CALLS_LOCAL (info, h)) |
07d6d2b8 AM |
2491 | { |
2492 | struct elf_dyn_relocs **pp; | |
2493 | ||
2494 | for (pp = &eh->dyn_relocs; (p = *pp) != NULL;) | |
2495 | { | |
2496 | p->count -= p->pc_count; | |
2497 | p->pc_count = 0; | |
2498 | if (p->count == 0) | |
2499 | *pp = p->next; | |
2500 | else | |
2501 | pp = &p->next; | |
2502 | } | |
2503 | } | |
73589c9d CS |
2504 | |
2505 | /* Also discard relocs on undefined weak syms with non-default | |
07d6d2b8 | 2506 | visibility. */ |
73589c9d | 2507 | if (eh->dyn_relocs != NULL |
07d6d2b8 AM |
2508 | && h->root.type == bfd_link_hash_undefweak) |
2509 | { | |
2510 | if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT) | |
2511 | eh->dyn_relocs = NULL; | |
2512 | ||
2513 | /* Make sure undefined weak symbols are output as a dynamic | |
2514 | symbol in PIEs. */ | |
2515 | else if (h->dynindx == -1 | |
2516 | && !h->forced_local) | |
2517 | { | |
2518 | if (! bfd_elf_link_record_dynamic_symbol (info, h)) | |
2519 | return FALSE; | |
2520 | } | |
2521 | } | |
73589c9d CS |
2522 | } |
2523 | else | |
2524 | { | |
2525 | /* For the non-shared case, discard space for relocs against | |
07d6d2b8 AM |
2526 | symbols which turn out to need copy relocs or are not |
2527 | dynamic. */ | |
73589c9d CS |
2528 | |
2529 | if (!h->non_got_ref | |
07d6d2b8 AM |
2530 | && ((h->def_dynamic |
2531 | && !h->def_regular) | |
2532 | || (htab->root.dynamic_sections_created | |
2533 | && (h->root.type == bfd_link_hash_undefweak | |
2534 | || h->root.type == bfd_link_hash_undefined)))) | |
2535 | { | |
2536 | /* Make sure this symbol is output as a dynamic symbol. | |
2537 | Undefined weak syms won't yet be marked as dynamic. */ | |
2538 | if (h->dynindx == -1 | |
2539 | && !h->forced_local) | |
2540 | { | |
2541 | if (! bfd_elf_link_record_dynamic_symbol (info, h)) | |
2542 | return FALSE; | |
2543 | } | |
2544 | ||
2545 | /* If that succeeded, we know we'll be keeping all the | |
2546 | relocs. */ | |
2547 | if (h->dynindx != -1) | |
2548 | goto keep; | |
2549 | } | |
73589c9d CS |
2550 | |
2551 | eh->dyn_relocs = NULL; | |
2552 | ||
2553 | keep: ; | |
2554 | } | |
2555 | ||
2556 | /* Finally, allocate space. */ | |
2557 | for (p = eh->dyn_relocs; p != NULL; p = p->next) | |
2558 | { | |
2559 | asection *sreloc = elf_section_data (p->sec)->sreloc; | |
2560 | sreloc->size += p->count * sizeof (Elf32_External_Rela); | |
2561 | } | |
2562 | ||
2563 | return TRUE; | |
2564 | } | |
2565 | ||
63c1f59d AM |
2566 | /* Set DF_TEXTREL if we find any dynamic relocs that apply to |
2567 | read-only sections. */ | |
73589c9d CS |
2568 | |
2569 | static bfd_boolean | |
63c1f59d | 2570 | maybe_set_textrel (struct elf_link_hash_entry *h, void *info_p) |
73589c9d | 2571 | { |
63c1f59d | 2572 | asection *sec; |
73589c9d | 2573 | |
63c1f59d AM |
2574 | if (h->root.type == bfd_link_hash_indirect) |
2575 | return TRUE; | |
73589c9d | 2576 | |
63c1f59d AM |
2577 | sec = readonly_dynrelocs (h); |
2578 | if (sec != NULL) | |
2579 | { | |
2580 | struct bfd_link_info *info = (struct bfd_link_info *) info_p; | |
73589c9d | 2581 | |
63c1f59d AM |
2582 | info->flags |= DF_TEXTREL; |
2583 | info->callbacks->minfo | |
c1c8c1ef | 2584 | (_("%pB: dynamic relocation against `%pT' in read-only section `%pA'\n"), |
63c1f59d | 2585 | sec->owner, h->root.root.string, sec); |
73589c9d | 2586 | |
63c1f59d AM |
2587 | /* Not an error, just cut short the traversal. */ |
2588 | return FALSE; | |
73589c9d CS |
2589 | } |
2590 | return TRUE; | |
2591 | } | |
2592 | ||
2593 | /* Set the sizes of the dynamic sections. */ | |
2594 | ||
2595 | static bfd_boolean | |
2596 | or1k_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED, | |
07d6d2b8 | 2597 | struct bfd_link_info *info) |
73589c9d CS |
2598 | { |
2599 | struct elf_or1k_link_hash_table *htab; | |
2600 | bfd *dynobj; | |
2601 | asection *s; | |
2602 | bfd_boolean relocs; | |
2603 | bfd *ibfd; | |
2604 | ||
2605 | htab = or1k_elf_hash_table (info); | |
2606 | if (htab == NULL) | |
2607 | return FALSE; | |
2608 | ||
2609 | dynobj = htab->root.dynobj; | |
2610 | BFD_ASSERT (dynobj != NULL); | |
2611 | ||
2612 | if (htab->root.dynamic_sections_created) | |
2613 | { | |
2614 | /* Set the contents of the .interp section to the interpreter. */ | |
9b8b325a | 2615 | if (bfd_link_executable (info) && !info->nointerp) |
07d6d2b8 AM |
2616 | { |
2617 | s = bfd_get_section_by_name (dynobj, ".interp"); | |
2618 | BFD_ASSERT (s != NULL); | |
2619 | s->size = sizeof ELF_DYNAMIC_INTERPRETER; | |
2620 | s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER; | |
2621 | } | |
73589c9d CS |
2622 | } |
2623 | ||
2624 | /* Set up .got offsets for local syms, and space for local dynamic | |
2625 | relocs. */ | |
c72f2fb2 | 2626 | for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next) |
73589c9d CS |
2627 | { |
2628 | bfd_signed_vma *local_got; | |
2629 | bfd_signed_vma *end_local_got; | |
2630 | bfd_size_type locsymcount; | |
2631 | Elf_Internal_Shdr *symtab_hdr; | |
2632 | unsigned char *local_tls_type; | |
2633 | asection *srel; | |
2634 | ||
2635 | if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour) | |
07d6d2b8 | 2636 | continue; |
73589c9d CS |
2637 | |
2638 | for (s = ibfd->sections; s != NULL; s = s->next) | |
07d6d2b8 AM |
2639 | { |
2640 | struct elf_dyn_relocs *p; | |
2641 | ||
2642 | for (p = ((struct elf_dyn_relocs *) | |
2643 | elf_section_data (s)->local_dynrel); | |
2644 | p != NULL; | |
2645 | p = p->next) | |
2646 | { | |
2647 | if (! bfd_is_abs_section (p->sec) | |
2648 | && bfd_is_abs_section (p->sec->output_section)) | |
2649 | { | |
2650 | /* Input section has been discarded, either because | |
2651 | it is a copy of a linkonce section or due to | |
2652 | linker script /DISCARD/, so we'll be discarding | |
2653 | the relocs too. */ | |
2654 | } | |
2655 | else if (p->count != 0) | |
2656 | { | |
2657 | srel = elf_section_data (p->sec)->sreloc; | |
2658 | srel->size += p->count * sizeof (Elf32_External_Rela); | |
2659 | if ((p->sec->output_section->flags & SEC_READONLY) != 0) | |
2660 | info->flags |= DF_TEXTREL; | |
2661 | } | |
2662 | } | |
2663 | } | |
73589c9d CS |
2664 | |
2665 | local_got = elf_local_got_refcounts (ibfd); | |
2666 | if (!local_got) | |
07d6d2b8 | 2667 | continue; |
73589c9d CS |
2668 | |
2669 | symtab_hdr = &elf_tdata (ibfd)->symtab_hdr; | |
2670 | locsymcount = symtab_hdr->sh_info; | |
2671 | end_local_got = local_got + locsymcount; | |
ce558b89 AM |
2672 | s = htab->root.sgot; |
2673 | srel = htab->root.srelgot; | |
73589c9d CS |
2674 | local_tls_type = (unsigned char *) elf_or1k_local_tls_type (ibfd); |
2675 | for (; local_got < end_local_got; ++local_got) | |
07d6d2b8 AM |
2676 | { |
2677 | if (*local_got > 0) | |
2678 | { | |
2679 | *local_got = s->size; | |
2680 | ||
2681 | /* TLS GD requires two GOT and two relocs. */ | |
2682 | if (local_tls_type != NULL && *local_tls_type == TLS_GD) | |
2683 | s->size += 8; | |
2684 | else | |
2685 | s->size += 4; | |
2686 | if (bfd_link_pic (info)) | |
2687 | { | |
2688 | if (local_tls_type != NULL && *local_tls_type == TLS_GD) | |
2689 | srel->size += 2 * sizeof (Elf32_External_Rela); | |
2690 | else | |
2691 | srel->size += sizeof (Elf32_External_Rela); | |
2692 | } | |
2693 | } | |
2694 | else | |
2695 | ||
2696 | *local_got = (bfd_vma) -1; | |
2697 | ||
2698 | if (local_tls_type) | |
2699 | ++local_tls_type; | |
2700 | } | |
73589c9d CS |
2701 | } |
2702 | ||
2703 | /* Allocate global sym .plt and .got entries, and space for global | |
2704 | sym dynamic relocs. */ | |
2705 | elf_link_hash_traverse (&htab->root, allocate_dynrelocs, info); | |
2706 | ||
2707 | /* We now have determined the sizes of the various dynamic sections. | |
2708 | Allocate memory for them. */ | |
2709 | relocs = FALSE; | |
2710 | for (s = dynobj->sections; s != NULL; s = s->next) | |
2711 | { | |
2712 | if ((s->flags & SEC_LINKER_CREATED) == 0) | |
07d6d2b8 | 2713 | continue; |
73589c9d | 2714 | |
ce558b89 | 2715 | if (s == htab->root.splt |
07d6d2b8 AM |
2716 | || s == htab->root.sgot |
2717 | || s == htab->root.sgotplt | |
5474d94f AM |
2718 | || s == htab->root.sdynbss |
2719 | || s == htab->root.sdynrelro) | |
07d6d2b8 AM |
2720 | { |
2721 | /* Strip this section if we don't need it; see the | |
2722 | comment below. */ | |
2723 | } | |
73589c9d | 2724 | else if (CONST_STRNEQ (bfd_get_section_name (dynobj, s), ".rela")) |
07d6d2b8 AM |
2725 | { |
2726 | if (s->size != 0 && s != htab->root.srelplt) | |
2727 | relocs = TRUE; | |
2728 | ||
2729 | /* We use the reloc_count field as a counter if we need | |
2730 | to copy relocs into the output file. */ | |
2731 | s->reloc_count = 0; | |
2732 | } | |
73589c9d | 2733 | else |
07d6d2b8 AM |
2734 | /* It's not one of our sections, so don't allocate space. */ |
2735 | continue; | |
73589c9d CS |
2736 | |
2737 | if (s->size == 0) | |
07d6d2b8 AM |
2738 | { |
2739 | /* If we don't need this section, strip it from the | |
2740 | output file. This is mostly to handle .rela.bss and | |
2741 | .rela.plt. We must create both sections in | |
2742 | create_dynamic_sections, because they must be created | |
2743 | before the linker maps input sections to output | |
2744 | sections. The linker does that before | |
2745 | adjust_dynamic_symbol is called, and it is that | |
2746 | function which decides whether anything needs to go | |
2747 | into these sections. */ | |
2748 | s->flags |= SEC_EXCLUDE; | |
2749 | continue; | |
2750 | } | |
73589c9d CS |
2751 | |
2752 | if ((s->flags & SEC_HAS_CONTENTS) == 0) | |
07d6d2b8 | 2753 | continue; |
73589c9d CS |
2754 | |
2755 | /* Allocate memory for the section contents. We use bfd_zalloc | |
07d6d2b8 AM |
2756 | here in case unused entries are not reclaimed before the |
2757 | section's contents are written out. This should not happen, | |
2758 | but this way if it does, we get a R_OR1K_NONE reloc instead | |
2759 | of garbage. */ | |
73589c9d CS |
2760 | s->contents = bfd_zalloc (dynobj, s->size); |
2761 | ||
2762 | if (s->contents == NULL) | |
07d6d2b8 | 2763 | return FALSE; |
73589c9d CS |
2764 | } |
2765 | ||
2766 | if (htab->root.dynamic_sections_created) | |
2767 | { | |
2768 | /* Add some entries to the .dynamic section. We fill in the | |
07d6d2b8 AM |
2769 | values later, in or1k_elf_finish_dynamic_sections, but we |
2770 | must add the entries now so that we get the correct size for | |
2771 | the .dynamic section. The DT_DEBUG entry is filled in by the | |
2772 | dynamic linker and used by the debugger. */ | |
73589c9d CS |
2773 | #define add_dynamic_entry(TAG, VAL) \ |
2774 | _bfd_elf_add_dynamic_entry (info, TAG, VAL) | |
2775 | ||
0e1862bb | 2776 | if (bfd_link_executable (info)) |
73589c9d | 2777 | { |
07d6d2b8 AM |
2778 | if (! add_dynamic_entry (DT_DEBUG, 0)) |
2779 | return FALSE; | |
73589c9d CS |
2780 | } |
2781 | ||
ce558b89 | 2782 | if (htab->root.splt->size != 0) |
73589c9d | 2783 | { |
07d6d2b8 AM |
2784 | if (! add_dynamic_entry (DT_PLTGOT, 0) |
2785 | || ! add_dynamic_entry (DT_PLTRELSZ, 0) | |
2786 | || ! add_dynamic_entry (DT_PLTREL, DT_RELA) | |
2787 | || ! add_dynamic_entry (DT_JMPREL, 0)) | |
2788 | return FALSE; | |
2789 | } | |
73589c9d CS |
2790 | |
2791 | if (relocs) | |
2792 | { | |
07d6d2b8 AM |
2793 | if (! add_dynamic_entry (DT_RELA, 0) |
2794 | || ! add_dynamic_entry (DT_RELASZ, 0) | |
2795 | || ! add_dynamic_entry (DT_RELAENT, | |
2796 | sizeof (Elf32_External_Rela))) | |
2797 | return FALSE; | |
2798 | ||
2799 | /* If any dynamic relocs apply to a read-only section, | |
2800 | then we need a DT_TEXTREL entry. */ | |
2801 | if ((info->flags & DF_TEXTREL) == 0) | |
2802 | elf_link_hash_traverse (&htab->root, maybe_set_textrel, info); | |
2803 | ||
2804 | if ((info->flags & DF_TEXTREL) != 0) | |
2805 | { | |
2806 | if (! add_dynamic_entry (DT_TEXTREL, 0)) | |
2807 | return FALSE; | |
2808 | } | |
73589c9d CS |
2809 | } |
2810 | } | |
2811 | ||
2812 | #undef add_dynamic_entry | |
2813 | return TRUE; | |
2814 | } | |
2815 | ||
73589c9d CS |
2816 | /* Copy the extra info we tack onto an elf_link_hash_entry. */ |
2817 | ||
2818 | static void | |
2819 | or1k_elf_copy_indirect_symbol (struct bfd_link_info *info, | |
07d6d2b8 AM |
2820 | struct elf_link_hash_entry *dir, |
2821 | struct elf_link_hash_entry *ind) | |
73589c9d CS |
2822 | { |
2823 | struct elf_or1k_link_hash_entry * edir; | |
2824 | struct elf_or1k_link_hash_entry * eind; | |
2825 | ||
2826 | edir = (struct elf_or1k_link_hash_entry *) dir; | |
2827 | eind = (struct elf_or1k_link_hash_entry *) ind; | |
2828 | ||
2829 | if (eind->dyn_relocs != NULL) | |
2830 | { | |
2831 | if (edir->dyn_relocs != NULL) | |
07d6d2b8 AM |
2832 | { |
2833 | struct elf_dyn_relocs **pp; | |
2834 | struct elf_dyn_relocs *p; | |
2835 | ||
2836 | /* Add reloc counts against the indirect sym to the direct sym | |
2837 | list. Merge any entries against the same section. */ | |
2838 | for (pp = &eind->dyn_relocs; (p = *pp) != NULL;) | |
2839 | { | |
2840 | struct elf_dyn_relocs *q; | |
2841 | ||
2842 | for (q = edir->dyn_relocs; q != NULL; q = q->next) | |
2843 | if (q->sec == p->sec) | |
2844 | { | |
2845 | q->pc_count += p->pc_count; | |
2846 | q->count += p->count; | |
2847 | *pp = p->next; | |
2848 | break; | |
2849 | } | |
2850 | if (q == NULL) | |
2851 | pp = &p->next; | |
2852 | } | |
2853 | *pp = edir->dyn_relocs; | |
2854 | } | |
73589c9d CS |
2855 | |
2856 | edir->dyn_relocs = eind->dyn_relocs; | |
2857 | eind->dyn_relocs = NULL; | |
2858 | } | |
2859 | ||
2860 | if (ind->root.type == bfd_link_hash_indirect) | |
2861 | { | |
2862 | if (dir->got.refcount <= 0) | |
07d6d2b8 AM |
2863 | { |
2864 | edir->tls_type = eind->tls_type; | |
2865 | eind->tls_type = TLS_UNKNOWN; | |
2866 | } | |
73589c9d CS |
2867 | } |
2868 | ||
2869 | _bfd_elf_link_hash_copy_indirect (info, dir, ind); | |
2870 | } | |
2871 | ||
2872 | /* Set the right machine number. */ | |
2873 | ||
2874 | static bfd_boolean | |
2875 | or1k_elf_object_p (bfd *abfd) | |
2876 | { | |
2877 | unsigned long mach = bfd_mach_or1k; | |
2878 | ||
2879 | if (elf_elfheader (abfd)->e_flags & EF_OR1K_NODELAY) | |
2880 | mach = bfd_mach_or1knd; | |
2881 | ||
2882 | return bfd_default_set_arch_mach (abfd, bfd_arch_or1k, mach); | |
2883 | } | |
2884 | ||
2885 | /* Store the machine number in the flags field. */ | |
2886 | ||
2887 | static void | |
2888 | or1k_elf_final_write_processing (bfd *abfd, | |
2889 | bfd_boolean linker ATTRIBUTE_UNUSED) | |
2890 | { | |
2891 | switch (bfd_get_mach (abfd)) | |
2892 | { | |
2893 | default: | |
2894 | case bfd_mach_or1k: | |
2895 | break; | |
2896 | case bfd_mach_or1knd: | |
2897 | elf_elfheader (abfd)->e_flags |= EF_OR1K_NODELAY; | |
2898 | break; | |
2899 | } | |
2900 | } | |
2901 | ||
2902 | static bfd_boolean | |
2903 | or1k_elf_set_private_flags (bfd *abfd, flagword flags) | |
2904 | { | |
2905 | BFD_ASSERT (!elf_flags_init (abfd) | |
07d6d2b8 | 2906 | || elf_elfheader (abfd)->e_flags == flags); |
73589c9d CS |
2907 | |
2908 | elf_elfheader (abfd)->e_flags = flags; | |
2909 | elf_flags_init (abfd) = TRUE; | |
2910 | return TRUE; | |
2911 | } | |
2912 | ||
2913 | /* Make sure all input files are consistent with respect to | |
2914 | EF_OR1K_NODELAY flag setting. */ | |
2915 | ||
2916 | static bfd_boolean | |
50e03d47 | 2917 | elf32_or1k_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info) |
73589c9d | 2918 | { |
50e03d47 | 2919 | bfd *obfd = info->output_bfd; |
73589c9d CS |
2920 | flagword out_flags; |
2921 | flagword in_flags; | |
2922 | ||
2923 | in_flags = elf_elfheader (ibfd)->e_flags; | |
2924 | out_flags = elf_elfheader (obfd)->e_flags; | |
2925 | ||
2926 | if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour | |
2927 | || bfd_get_flavour (obfd) != bfd_target_elf_flavour) | |
2928 | return TRUE; | |
2929 | ||
2930 | if (!elf_flags_init (obfd)) | |
2931 | { | |
2932 | elf_flags_init (obfd) = TRUE; | |
2933 | elf_elfheader (obfd)->e_flags = in_flags; | |
2934 | ||
2935 | return TRUE; | |
2936 | } | |
2937 | ||
2938 | if (in_flags == out_flags) | |
2939 | return TRUE; | |
2940 | ||
2941 | if ((in_flags & EF_OR1K_NODELAY) != (out_flags & EF_OR1K_NODELAY)) | |
2942 | { | |
4eca0228 | 2943 | _bfd_error_handler |
38f14ab8 AM |
2944 | (_("%pB: %s flag mismatch with previous modules"), |
2945 | ibfd, "EF_OR1K_NODELAY"); | |
73589c9d CS |
2946 | |
2947 | bfd_set_error (bfd_error_bad_value); | |
2948 | return FALSE; | |
2949 | } | |
2950 | ||
2951 | return TRUE; | |
2952 | ||
2953 | } | |
2954 | ||
07d6d2b8 AM |
2955 | #define ELF_ARCH bfd_arch_or1k |
2956 | #define ELF_MACHINE_CODE EM_OR1K | |
2957 | #define ELF_TARGET_ID OR1K_ELF_DATA | |
2958 | #define ELF_MAXPAGESIZE 0x2000 | |
73589c9d | 2959 | |
07d6d2b8 AM |
2960 | #define TARGET_BIG_SYM or1k_elf32_vec |
2961 | #define TARGET_BIG_NAME "elf32-or1k" | |
73589c9d | 2962 | |
07d6d2b8 AM |
2963 | #define elf_info_to_howto_rel NULL |
2964 | #define elf_info_to_howto or1k_info_to_howto_rela | |
2965 | #define elf_backend_relocate_section or1k_elf_relocate_section | |
2966 | #define elf_backend_gc_mark_hook or1k_elf_gc_mark_hook | |
2967 | #define elf_backend_check_relocs or1k_elf_check_relocs | |
2968 | #define elf_backend_reloc_type_class or1k_elf_reloc_type_class | |
2969 | #define elf_backend_can_gc_sections 1 | |
2970 | #define elf_backend_rela_normal 1 | |
73589c9d | 2971 | |
07d6d2b8 | 2972 | #define bfd_elf32_mkobject elf_or1k_mkobject |
73589c9d CS |
2973 | |
2974 | #define bfd_elf32_bfd_merge_private_bfd_data elf32_or1k_merge_private_bfd_data | |
2975 | #define bfd_elf32_bfd_set_private_flags or1k_elf_set_private_flags | |
2976 | #define bfd_elf32_bfd_reloc_type_lookup or1k_reloc_type_lookup | |
2977 | #define bfd_elf32_bfd_reloc_name_lookup or1k_reloc_name_lookup | |
2978 | ||
07d6d2b8 | 2979 | #define elf_backend_object_p or1k_elf_object_p |
73589c9d | 2980 | #define elf_backend_final_write_processing or1k_elf_final_write_processing |
07d6d2b8 | 2981 | #define elf_backend_can_refcount 1 |
73589c9d | 2982 | |
07d6d2b8 AM |
2983 | #define elf_backend_plt_readonly 1 |
2984 | #define elf_backend_want_got_plt 1 | |
2985 | #define elf_backend_want_plt_sym 0 | |
2986 | #define elf_backend_got_header_size 12 | |
64f52338 | 2987 | #define elf_backend_dtrel_excludes_plt 1 |
5474d94f | 2988 | #define elf_backend_want_dynrelro 1 |
64f52338 | 2989 | |
07d6d2b8 AM |
2990 | #define bfd_elf32_bfd_link_hash_table_create or1k_elf_link_hash_table_create |
2991 | #define elf_backend_copy_indirect_symbol or1k_elf_copy_indirect_symbol | |
2992 | #define elf_backend_create_dynamic_sections _bfd_elf_create_dynamic_sections | |
2993 | #define elf_backend_finish_dynamic_sections or1k_elf_finish_dynamic_sections | |
2994 | #define elf_backend_size_dynamic_sections or1k_elf_size_dynamic_sections | |
2995 | #define elf_backend_adjust_dynamic_symbol or1k_elf_adjust_dynamic_symbol | |
2996 | #define elf_backend_finish_dynamic_symbol or1k_elf_finish_dynamic_symbol | |
73589c9d CS |
2997 | |
2998 | #include "elf32-target.h" |