Commit | Line | Data |
---|---|---|
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; | |
1041 | asection *sgot; | |
1042 | ||
1043 | if (htab == NULL) | |
1044 | return FALSE; | |
1045 | ||
1046 | dynobj = htab->root.dynobj; | |
1047 | local_got_offsets = elf_local_got_offsets (input_bfd); | |
1048 | ||
1049 | sreloc = elf_section_data (input_section)->sreloc; | |
1050 | ||
ce558b89 | 1051 | sgot = htab->root.sgot; |
73589c9d CS |
1052 | |
1053 | symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr; | |
1054 | sym_hashes = elf_sym_hashes (input_bfd); | |
1055 | relend = relocs + input_section->reloc_count; | |
1056 | ||
1057 | for (rel = relocs; rel < relend; rel++) | |
1058 | { | |
1059 | reloc_howto_type *howto; | |
1060 | unsigned long r_symndx; | |
1061 | Elf_Internal_Sym *sym; | |
1062 | asection *sec; | |
1063 | struct elf_link_hash_entry *h; | |
1064 | bfd_vma relocation; | |
1065 | bfd_reloc_status_type r; | |
1066 | const char *name = NULL; | |
1067 | int r_type; | |
1068 | ||
1069 | r_type = ELF32_R_TYPE (rel->r_info); | |
1070 | r_symndx = ELF32_R_SYM (rel->r_info); | |
1071 | ||
1072 | if (r_type == R_OR1K_GNU_VTINHERIT | |
07d6d2b8 AM |
1073 | || r_type == R_OR1K_GNU_VTENTRY) |
1074 | continue; | |
73589c9d CS |
1075 | |
1076 | if (r_type < 0 || r_type >= (int) R_OR1K_max) | |
07d6d2b8 AM |
1077 | { |
1078 | bfd_set_error (bfd_error_bad_value); | |
1079 | return FALSE; | |
1080 | } | |
73589c9d CS |
1081 | |
1082 | howto = or1k_elf_howto_table + ELF32_R_TYPE (rel->r_info); | |
1083 | h = NULL; | |
1084 | sym = NULL; | |
1085 | sec = NULL; | |
1086 | ||
1087 | if (r_symndx < symtab_hdr->sh_info) | |
07d6d2b8 AM |
1088 | { |
1089 | sym = local_syms + r_symndx; | |
1090 | sec = local_sections[r_symndx]; | |
1091 | relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel); | |
1092 | ||
1093 | name = bfd_elf_string_from_elf_section | |
1094 | (input_bfd, symtab_hdr->sh_link, sym->st_name); | |
1095 | name = (name == NULL) ? bfd_section_name (input_bfd, sec) : name; | |
1096 | } | |
73589c9d | 1097 | else |
07d6d2b8 AM |
1098 | { |
1099 | bfd_boolean unresolved_reloc, warned, ignored; | |
73589c9d | 1100 | |
07d6d2b8 AM |
1101 | RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel, |
1102 | r_symndx, symtab_hdr, sym_hashes, | |
1103 | h, sec, relocation, | |
1104 | unresolved_reloc, warned, ignored); | |
1105 | } | |
73589c9d CS |
1106 | |
1107 | if (sec != NULL && discarded_section (sec)) | |
07d6d2b8 AM |
1108 | RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section, |
1109 | rel, 1, relend, howto, 0, contents); | |
73589c9d | 1110 | |
0e1862bb | 1111 | if (bfd_link_relocatable (info)) |
07d6d2b8 | 1112 | continue; |
73589c9d CS |
1113 | |
1114 | switch (howto->type) | |
07d6d2b8 AM |
1115 | { |
1116 | case R_OR1K_PLT26: | |
1117 | { | |
1118 | if (htab->root.splt != NULL && h != NULL | |
1119 | && h->plt.offset != (bfd_vma) -1) | |
1120 | { | |
1121 | relocation = (htab->root.splt->output_section->vma | |
1122 | + htab->root.splt->output_offset | |
1123 | + h->plt.offset); | |
1124 | } | |
1125 | break; | |
1126 | } | |
1127 | ||
1128 | case R_OR1K_GOT16: | |
1129 | /* Relocation is to the entry for this symbol in the global | |
1130 | offset table. */ | |
1131 | BFD_ASSERT (sgot != NULL); | |
1132 | if (h != NULL) | |
1133 | { | |
1134 | bfd_boolean dyn; | |
1135 | bfd_vma off; | |
1136 | ||
1137 | off = h->got.offset; | |
1138 | BFD_ASSERT (off != (bfd_vma) -1); | |
1139 | ||
1140 | dyn = htab->root.dynamic_sections_created; | |
1141 | if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, | |
0e1862bb L |
1142 | bfd_link_pic (info), |
1143 | h) | |
07d6d2b8 AM |
1144 | || (bfd_link_pic (info) |
1145 | && SYMBOL_REFERENCES_LOCAL (info, h))) | |
1146 | { | |
1147 | /* This is actually a static link, or it is a | |
1148 | -Bsymbolic link and the symbol is defined | |
1149 | locally, or the symbol was forced to be local | |
1150 | because of a version file. We must initialize | |
1151 | this entry in the global offset table. Since the | |
1152 | offset must always be a multiple of 4, we use the | |
1153 | least significant bit to record whether we have | |
1154 | initialized it already. | |
1155 | ||
1156 | When doing a dynamic link, we create a .rela.got | |
1157 | relocation entry to initialize the value. This | |
1158 | is done in the finish_dynamic_symbol routine. */ | |
1159 | if ((off & 1) != 0) | |
1160 | off &= ~1; | |
1161 | else | |
1162 | { | |
1163 | /* Write entry in GOT. */ | |
1164 | bfd_put_32 (output_bfd, relocation, | |
1165 | sgot->contents + off); | |
1166 | /* Mark GOT entry as having been written. */ | |
1167 | h->got.offset |= 1; | |
1168 | } | |
1169 | } | |
1170 | ||
1171 | relocation = sgot->output_offset + off; | |
1172 | } | |
1173 | else | |
1174 | { | |
1175 | bfd_vma off; | |
1176 | bfd_byte *loc; | |
1177 | ||
1178 | BFD_ASSERT (local_got_offsets != NULL | |
1179 | && local_got_offsets[r_symndx] != (bfd_vma) -1); | |
1180 | ||
1181 | /* Get offset into GOT table. */ | |
1182 | off = local_got_offsets[r_symndx]; | |
1183 | ||
1184 | /* The offset must always be a multiple of 4. We use | |
1185 | the least significant bit to record whether we have | |
1186 | already processed this entry. */ | |
1187 | if ((off & 1) != 0) | |
1188 | off &= ~1; | |
1189 | else | |
1190 | { | |
1191 | /* Write entry in GOT. */ | |
1192 | bfd_put_32 (output_bfd, relocation, sgot->contents + off); | |
1193 | if (bfd_link_pic (info)) | |
1194 | { | |
1195 | asection *srelgot; | |
1196 | Elf_Internal_Rela outrel; | |
1197 | ||
1198 | /* We need to generate a R_OR1K_RELATIVE reloc | |
1199 | for the dynamic linker. */ | |
1200 | srelgot = htab->root.srelgot; | |
1201 | BFD_ASSERT (srelgot != NULL); | |
1202 | ||
1203 | outrel.r_offset = (sgot->output_section->vma | |
1204 | + sgot->output_offset | |
1205 | + off); | |
1206 | outrel.r_info = ELF32_R_INFO (0, R_OR1K_RELATIVE); | |
1207 | outrel.r_addend = relocation; | |
1208 | loc = srelgot->contents; | |
1209 | loc += srelgot->reloc_count * sizeof (Elf32_External_Rela); | |
1210 | bfd_elf32_swap_reloca_out (output_bfd, &outrel,loc); | |
1211 | ++srelgot->reloc_count; | |
1212 | } | |
1213 | ||
1214 | local_got_offsets[r_symndx] |= 1; | |
1215 | } | |
1216 | relocation = sgot->output_offset + off; | |
1217 | } | |
1218 | ||
1219 | /* Addend should be zero. */ | |
1220 | if (rel->r_addend != 0) | |
4eca0228 | 1221 | _bfd_error_handler |
38f14ab8 AM |
1222 | (_("internal error: addend should be zero for %s"), |
1223 | "R_OR1K_GOT16"); | |
73589c9d | 1224 | |
07d6d2b8 | 1225 | break; |
73589c9d | 1226 | |
07d6d2b8 AM |
1227 | case R_OR1K_GOTOFF_LO16: |
1228 | case R_OR1K_GOTOFF_HI16: | |
1c4f3780 RH |
1229 | case R_OR1K_GOTOFF_AHI16: |
1230 | case R_OR1K_GOTOFF_SLO16: | |
07d6d2b8 AM |
1231 | /* Relocation is offset from GOT. */ |
1232 | BFD_ASSERT (sgot != NULL); | |
eacfca90 AM |
1233 | relocation |
1234 | -= (htab->root.hgot->root.u.def.value | |
1235 | + htab->root.hgot->root.u.def.section->output_offset | |
1236 | + htab->root.hgot->root.u.def.section->output_section->vma); | |
07d6d2b8 AM |
1237 | break; |
1238 | ||
1239 | case R_OR1K_INSN_REL_26: | |
1240 | case R_OR1K_HI_16_IN_INSN: | |
1241 | case R_OR1K_LO_16_IN_INSN: | |
1c4f3780 RH |
1242 | case R_OR1K_AHI16: |
1243 | case R_OR1K_SLO16: | |
07d6d2b8 AM |
1244 | case R_OR1K_32: |
1245 | /* R_OR1K_16? */ | |
1246 | { | |
1247 | /* r_symndx will be STN_UNDEF (zero) only for relocs against symbols | |
1248 | from removed linkonce sections, or sections discarded by | |
1249 | a linker script. */ | |
1250 | if (r_symndx == STN_UNDEF | |
1251 | || (input_section->flags & SEC_ALLOC) == 0) | |
1252 | break; | |
1253 | ||
1254 | if ((bfd_link_pic (info) | |
1255 | && (h == NULL | |
1256 | || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT | |
1257 | || h->root.type != bfd_link_hash_undefweak) | |
ffccb7af SK |
1258 | && (howto->type != R_OR1K_INSN_REL_26 |
1259 | || !SYMBOL_CALLS_LOCAL (info, h))) | |
07d6d2b8 AM |
1260 | || (!bfd_link_pic (info) |
1261 | && h != NULL | |
1262 | && h->dynindx != -1 | |
1263 | && !h->non_got_ref | |
1264 | && ((h->def_dynamic | |
1265 | && !h->def_regular) | |
1266 | || h->root.type == bfd_link_hash_undefweak | |
1267 | || h->root.type == bfd_link_hash_undefined))) | |
1268 | { | |
1269 | Elf_Internal_Rela outrel; | |
1270 | bfd_byte *loc; | |
1271 | bfd_boolean skip; | |
1272 | ||
1273 | /* When generating a shared object, these relocations | |
1274 | are copied into the output file to be resolved at run | |
1275 | time. */ | |
1276 | ||
1277 | BFD_ASSERT (sreloc != NULL); | |
1278 | ||
1279 | skip = FALSE; | |
1280 | ||
1281 | outrel.r_offset = | |
1282 | _bfd_elf_section_offset (output_bfd, info, input_section, | |
1283 | rel->r_offset); | |
1284 | if (outrel.r_offset == (bfd_vma) -1) | |
1285 | skip = TRUE; | |
1286 | else if (outrel.r_offset == (bfd_vma) -2) | |
1287 | skip = TRUE; | |
1288 | outrel.r_offset += (input_section->output_section->vma | |
1289 | + input_section->output_offset); | |
1290 | ||
1291 | if (skip) | |
1292 | memset (&outrel, 0, sizeof outrel); | |
1293 | /* h->dynindx may be -1 if the symbol was marked to | |
1294 | become local. */ | |
1295 | else if (h != NULL | |
1296 | && ((! info->symbolic && h->dynindx != -1) | |
1297 | || !h->def_regular)) | |
1298 | { | |
1299 | BFD_ASSERT (h->dynindx != -1); | |
1300 | outrel.r_info = ELF32_R_INFO (h->dynindx, r_type); | |
1301 | outrel.r_addend = rel->r_addend; | |
1302 | } | |
1303 | else | |
1304 | { | |
1305 | if (r_type == R_OR1K_32) | |
1306 | { | |
1307 | outrel.r_info = ELF32_R_INFO (0, R_OR1K_RELATIVE); | |
1308 | outrel.r_addend = relocation + rel->r_addend; | |
1309 | } | |
1310 | else | |
1311 | { | |
1312 | BFD_FAIL (); | |
4eca0228 | 1313 | _bfd_error_handler |
871b3ab2 | 1314 | (_("%pB: probably compiled without -fPIC?"), |
07d6d2b8 AM |
1315 | input_bfd); |
1316 | bfd_set_error (bfd_error_bad_value); | |
1317 | return FALSE; | |
1318 | } | |
1319 | } | |
1320 | ||
1321 | loc = sreloc->contents; | |
1322 | loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela); | |
1323 | bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc); | |
1324 | break; | |
1325 | } | |
1326 | break; | |
1327 | } | |
1328 | ||
1329 | case R_OR1K_TLS_LDM_HI16: | |
1330 | case R_OR1K_TLS_LDM_LO16: | |
1331 | case R_OR1K_TLS_LDO_HI16: | |
1332 | case R_OR1K_TLS_LDO_LO16: | |
1333 | /* TODO: implement support for local dynamic. */ | |
1334 | BFD_FAIL (); | |
4eca0228 | 1335 | _bfd_error_handler |
871b3ab2 | 1336 | (_("%pB: support for local dynamic not implemented"), |
07d6d2b8 AM |
1337 | input_bfd); |
1338 | bfd_set_error (bfd_error_bad_value); | |
1339 | return FALSE; | |
1340 | ||
07d6d2b8 AM |
1341 | case R_OR1K_TLS_GD_HI16: |
1342 | case R_OR1K_TLS_GD_LO16: | |
1343 | case R_OR1K_TLS_IE_HI16: | |
1344 | case R_OR1K_TLS_IE_LO16: | |
1c4f3780 | 1345 | case R_OR1K_TLS_IE_AHI16: |
07d6d2b8 AM |
1346 | { |
1347 | bfd_vma gotoff; | |
1348 | Elf_Internal_Rela rela; | |
1349 | bfd_byte *loc; | |
1350 | int dynamic; | |
1351 | ||
1352 | sreloc = bfd_get_section_by_name (dynobj, ".rela.got"); | |
1353 | ||
1354 | /* Mark as TLS related GOT entry by setting | |
1355 | bit 2 as well as bit 1. */ | |
1356 | if (h != NULL) | |
1357 | { | |
1358 | gotoff = h->got.offset; | |
1359 | h->got.offset |= 3; | |
1360 | } | |
1361 | else | |
1362 | { | |
1363 | gotoff = local_got_offsets[r_symndx]; | |
1364 | local_got_offsets[r_symndx] |= 3; | |
1365 | } | |
1366 | ||
1367 | /* Only process the relocation once. */ | |
1368 | if (gotoff & 1) | |
1369 | { | |
1370 | relocation = sgot->output_offset + (gotoff & ~3); | |
1371 | break; | |
1372 | } | |
1373 | ||
1374 | BFD_ASSERT (elf_hash_table (info)->hgot == NULL | |
73589c9d CS |
1375 | || elf_hash_table (info)->hgot->root.u.def.value == 0); |
1376 | ||
07d6d2b8 AM |
1377 | /* Dynamic entries will require relocations. if we do not need |
1378 | them we will just use the default R_OR1K_NONE and | |
1379 | not set anything. */ | |
1380 | dynamic = bfd_link_pic (info) | |
73589c9d CS |
1381 | || (sec && (sec->flags & SEC_ALLOC) != 0 |
1382 | && h != NULL | |
1383 | && (h->root.type == bfd_link_hash_defweak || !h->def_regular)); | |
1384 | ||
07d6d2b8 AM |
1385 | /* Shared GD. */ |
1386 | if (dynamic && (howto->type == R_OR1K_TLS_GD_HI16 | |
73589c9d | 1387 | || howto->type == R_OR1K_TLS_GD_LO16)) |
07d6d2b8 AM |
1388 | { |
1389 | int i; | |
1390 | ||
1391 | /* Add DTPMOD and DTPOFF GOT and rela entries. */ | |
1392 | for (i = 0; i < 2; ++i) | |
1393 | { | |
1394 | rela.r_offset = sgot->output_section->vma + | |
1395 | sgot->output_offset + gotoff + i*4; | |
1396 | if (h != NULL && h->dynindx != -1) | |
1397 | { | |
1398 | rela.r_info = ELF32_R_INFO (h->dynindx, | |
1399 | (i == 0 ? R_OR1K_TLS_DTPMOD : R_OR1K_TLS_DTPOFF)); | |
1400 | rela.r_addend = 0; | |
1401 | } | |
1402 | else | |
1403 | { | |
1404 | rela.r_info = ELF32_R_INFO (0, | |
1405 | (i == 0 ? R_OR1K_TLS_DTPMOD : R_OR1K_TLS_DTPOFF)); | |
1406 | rela.r_addend = tpoff (info, relocation); | |
1407 | } | |
1408 | ||
1409 | loc = sreloc->contents; | |
1410 | loc += sreloc->reloc_count++ * | |
1411 | sizeof (Elf32_External_Rela); | |
1412 | ||
1413 | bfd_elf32_swap_reloca_out (output_bfd, &rela, loc); | |
1414 | bfd_put_32 (output_bfd, 0, sgot->contents + gotoff + i*4); | |
1415 | } | |
1416 | } | |
1417 | /* Static GD. */ | |
1418 | else if (howto->type == R_OR1K_TLS_GD_HI16 | |
1419 | || howto->type == R_OR1K_TLS_GD_LO16) | |
1420 | { | |
1421 | bfd_put_32 (output_bfd, 1, sgot->contents + gotoff); | |
1422 | bfd_put_32 (output_bfd, tpoff (info, relocation), | |
1423 | sgot->contents + gotoff + 4); | |
1424 | } | |
1425 | /* Shared IE. */ | |
1426 | else if (dynamic) | |
1427 | { | |
1428 | /* Add TPOFF GOT and rela entries. */ | |
1429 | rela.r_offset = sgot->output_section->vma + | |
1430 | sgot->output_offset + gotoff; | |
1431 | if (h != NULL && h->dynindx != -1) | |
1432 | { | |
1433 | rela.r_info = ELF32_R_INFO (h->dynindx, R_OR1K_TLS_TPOFF); | |
1434 | rela.r_addend = 0; | |
1435 | } | |
1436 | else | |
1437 | { | |
1438 | rela.r_info = ELF32_R_INFO (0, R_OR1K_TLS_TPOFF); | |
1439 | rela.r_addend = tpoff (info, relocation); | |
1440 | } | |
1441 | ||
1442 | loc = sreloc->contents; | |
1443 | loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela); | |
1444 | ||
1445 | bfd_elf32_swap_reloca_out (output_bfd, &rela, loc); | |
1446 | bfd_put_32 (output_bfd, 0, sgot->contents + gotoff); | |
1447 | } | |
1448 | /* Static IE. */ | |
1449 | else | |
1450 | { | |
1451 | bfd_put_32 (output_bfd, tpoff (info, relocation), | |
73589c9d | 1452 | sgot->contents + gotoff); |
07d6d2b8 AM |
1453 | } |
1454 | relocation = sgot->output_offset + gotoff; | |
1455 | break; | |
1456 | } | |
1c4f3780 | 1457 | |
07d6d2b8 AM |
1458 | case R_OR1K_TLS_LE_HI16: |
1459 | case R_OR1K_TLS_LE_LO16: | |
1c4f3780 RH |
1460 | case R_OR1K_TLS_LE_AHI16: |
1461 | case R_OR1K_TLS_LE_SLO16: | |
07d6d2b8 AM |
1462 | /* Relocation is offset from TP. */ |
1463 | relocation = tpoff (info, relocation); | |
1464 | break; | |
1465 | ||
1466 | case R_OR1K_TLS_DTPMOD: | |
1467 | case R_OR1K_TLS_DTPOFF: | |
1468 | case R_OR1K_TLS_TPOFF: | |
1469 | /* These are resolved dynamically on load and shouldn't | |
1470 | be used as linker input. */ | |
1471 | BFD_FAIL (); | |
4eca0228 | 1472 | _bfd_error_handler |
871b3ab2 | 1473 | (_("%pB: will not resolve runtime TLS relocation"), |
07d6d2b8 AM |
1474 | input_bfd); |
1475 | bfd_set_error (bfd_error_bad_value); | |
1476 | return FALSE; | |
1477 | ||
1478 | default: | |
1479 | break; | |
1480 | } | |
1c4f3780 RH |
1481 | |
1482 | r = or1k_final_link_relocate (howto, input_bfd, input_section, contents, | |
1483 | rel->r_offset, relocation + rel->r_addend); | |
73589c9d CS |
1484 | |
1485 | if (r != bfd_reloc_ok) | |
07d6d2b8 AM |
1486 | { |
1487 | const char *msg = NULL; | |
73589c9d | 1488 | |
07d6d2b8 AM |
1489 | switch (r) |
1490 | { | |
1491 | case bfd_reloc_overflow: | |
1a72702b | 1492 | (*info->callbacks->reloc_overflow) |
07d6d2b8 AM |
1493 | (info, (h ? &h->root : NULL), name, howto->name, |
1494 | (bfd_vma) 0, input_bfd, input_section, rel->r_offset); | |
1495 | break; | |
73589c9d | 1496 | |
07d6d2b8 | 1497 | case bfd_reloc_undefined: |
1a72702b | 1498 | (*info->callbacks->undefined_symbol) |
07d6d2b8 AM |
1499 | (info, name, input_bfd, input_section, rel->r_offset, TRUE); |
1500 | break; | |
73589c9d | 1501 | |
07d6d2b8 AM |
1502 | case bfd_reloc_outofrange: |
1503 | msg = _("internal error: out of range error"); | |
1504 | break; | |
73589c9d | 1505 | |
07d6d2b8 AM |
1506 | case bfd_reloc_notsupported: |
1507 | msg = _("internal error: unsupported relocation error"); | |
1508 | break; | |
73589c9d | 1509 | |
07d6d2b8 AM |
1510 | case bfd_reloc_dangerous: |
1511 | msg = _("internal error: dangerous relocation"); | |
1512 | break; | |
73589c9d | 1513 | |
07d6d2b8 AM |
1514 | default: |
1515 | msg = _("internal error: unknown error"); | |
1516 | break; | |
1517 | } | |
73589c9d | 1518 | |
07d6d2b8 | 1519 | if (msg) |
1a72702b AM |
1520 | (*info->callbacks->warning) (info, msg, name, input_bfd, |
1521 | input_section, rel->r_offset); | |
07d6d2b8 | 1522 | } |
73589c9d CS |
1523 | } |
1524 | ||
1525 | return TRUE; | |
1526 | } | |
1527 | ||
1528 | /* Return the section that should be marked against GC for a given | |
1529 | relocation. */ | |
1530 | ||
1531 | static asection * | |
1532 | or1k_elf_gc_mark_hook (asection *sec, | |
1533 | struct bfd_link_info *info, | |
1534 | Elf_Internal_Rela *rel, | |
1535 | struct elf_link_hash_entry *h, | |
1536 | Elf_Internal_Sym *sym) | |
1537 | { | |
1538 | if (h != NULL) | |
1539 | switch (ELF32_R_TYPE (rel->r_info)) | |
1540 | { | |
1541 | case R_OR1K_GNU_VTINHERIT: | |
1542 | case R_OR1K_GNU_VTENTRY: | |
07d6d2b8 | 1543 | return NULL; |
73589c9d CS |
1544 | } |
1545 | ||
1546 | return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym); | |
1547 | } | |
1548 | ||
73589c9d CS |
1549 | /* Look through the relocs for a section during the first phase. */ |
1550 | ||
1551 | static bfd_boolean | |
1552 | or1k_elf_check_relocs (bfd *abfd, | |
1553 | struct bfd_link_info *info, | |
1554 | asection *sec, | |
1555 | const Elf_Internal_Rela *relocs) | |
1556 | { | |
1557 | Elf_Internal_Shdr *symtab_hdr; | |
1558 | struct elf_link_hash_entry **sym_hashes; | |
1559 | const Elf_Internal_Rela *rel; | |
1560 | ||
1561 | const Elf_Internal_Rela *rel_end; | |
1562 | struct elf_or1k_link_hash_table *htab; | |
1563 | bfd *dynobj; | |
1564 | asection *sreloc = NULL; | |
1565 | ||
0e1862bb | 1566 | if (bfd_link_relocatable (info)) |
73589c9d CS |
1567 | return TRUE; |
1568 | ||
65281396 AM |
1569 | /* Don't do anything special with non-loaded, non-alloced sections. |
1570 | In particular, any relocs in such sections should not affect GOT | |
1571 | and PLT reference counting (ie. we don't allow them to create GOT | |
1572 | or PLT entries), there's no possibility or desire to optimize TLS | |
1573 | relocs, and there's not much point in propagating relocs to shared | |
1574 | libs that the dynamic linker won't relocate. */ | |
1575 | if ((sec->flags & SEC_ALLOC) == 0) | |
1576 | return TRUE; | |
1577 | ||
73589c9d CS |
1578 | symtab_hdr = &elf_tdata (abfd)->symtab_hdr; |
1579 | sym_hashes = elf_sym_hashes (abfd); | |
1580 | ||
1581 | htab = or1k_elf_hash_table (info); | |
1582 | if (htab == NULL) | |
1583 | return FALSE; | |
1584 | ||
1585 | dynobj = htab->root.dynobj; | |
1586 | ||
1587 | rel_end = relocs + sec->reloc_count; | |
1588 | for (rel = relocs; rel < rel_end; rel++) | |
1589 | { | |
1590 | struct elf_link_hash_entry *h; | |
1591 | unsigned long r_symndx; | |
1592 | unsigned char tls_type; | |
1c4f3780 | 1593 | int r_type; |
73589c9d CS |
1594 | |
1595 | r_symndx = ELF32_R_SYM (rel->r_info); | |
1596 | if (r_symndx < symtab_hdr->sh_info) | |
07d6d2b8 | 1597 | h = NULL; |
73589c9d | 1598 | else |
07d6d2b8 AM |
1599 | { |
1600 | h = sym_hashes[r_symndx - symtab_hdr->sh_info]; | |
1601 | while (h->root.type == bfd_link_hash_indirect | |
1602 | || h->root.type == bfd_link_hash_warning) | |
1603 | h = (struct elf_link_hash_entry *) h->root.u.i.link; | |
1604 | } | |
73589c9d | 1605 | |
1c4f3780 RH |
1606 | r_type = ELF32_R_TYPE (rel->r_info); |
1607 | switch (r_type) | |
07d6d2b8 AM |
1608 | { |
1609 | case R_OR1K_TLS_GD_HI16: | |
1610 | case R_OR1K_TLS_GD_LO16: | |
1611 | tls_type = TLS_GD; | |
1612 | break; | |
1613 | case R_OR1K_TLS_LDM_HI16: | |
1614 | case R_OR1K_TLS_LDM_LO16: | |
1615 | case R_OR1K_TLS_LDO_HI16: | |
1616 | case R_OR1K_TLS_LDO_LO16: | |
1617 | tls_type = TLS_LD; | |
1618 | break; | |
1619 | case R_OR1K_TLS_IE_HI16: | |
1620 | case R_OR1K_TLS_IE_LO16: | |
1c4f3780 | 1621 | case R_OR1K_TLS_IE_AHI16: |
07d6d2b8 AM |
1622 | tls_type = TLS_IE; |
1623 | break; | |
1624 | case R_OR1K_TLS_LE_HI16: | |
1625 | case R_OR1K_TLS_LE_LO16: | |
1c4f3780 RH |
1626 | case R_OR1K_TLS_LE_AHI16: |
1627 | case R_OR1K_TLS_LE_SLO16: | |
07d6d2b8 AM |
1628 | tls_type = TLS_LE; |
1629 | break; | |
1630 | default: | |
1631 | tls_type = TLS_NONE; | |
1632 | } | |
73589c9d CS |
1633 | |
1634 | /* Record TLS type. */ | |
1635 | if (h != NULL) | |
07d6d2b8 | 1636 | ((struct elf_or1k_link_hash_entry *) h)->tls_type = tls_type; |
73589c9d | 1637 | else |
07d6d2b8 AM |
1638 | { |
1639 | unsigned char *local_tls_type; | |
1640 | ||
1641 | /* This is a TLS type record for a local symbol. */ | |
1642 | local_tls_type = (unsigned char *) elf_or1k_local_tls_type (abfd); | |
1643 | if (local_tls_type == NULL) | |
1644 | { | |
1645 | bfd_size_type size; | |
1646 | ||
1647 | size = symtab_hdr->sh_info; | |
1648 | local_tls_type = bfd_zalloc (abfd, size); | |
1649 | if (local_tls_type == NULL) | |
1650 | return FALSE; | |
1651 | elf_or1k_local_tls_type (abfd) = local_tls_type; | |
1652 | } | |
1653 | local_tls_type[r_symndx] = tls_type; | |
1654 | } | |
73589c9d | 1655 | |
1c4f3780 | 1656 | switch (r_type) |
07d6d2b8 AM |
1657 | { |
1658 | /* This relocation describes the C++ object vtable hierarchy. | |
1659 | Reconstruct it for later use during GC. */ | |
1660 | case R_OR1K_GNU_VTINHERIT: | |
1661 | if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset)) | |
1662 | return FALSE; | |
1663 | break; | |
1664 | ||
1665 | /* This relocation describes which C++ vtable entries are actually | |
1666 | used. Record for later use during GC. */ | |
1667 | case R_OR1K_GNU_VTENTRY: | |
1668 | BFD_ASSERT (h != NULL); | |
1669 | if (h != NULL | |
1670 | && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend)) | |
1671 | return FALSE; | |
1672 | break; | |
1673 | ||
1674 | /* This relocation requires .plt entry. */ | |
1675 | case R_OR1K_PLT26: | |
1676 | if (h != NULL) | |
1677 | { | |
1678 | h->needs_plt = 1; | |
1679 | h->plt.refcount += 1; | |
1680 | } | |
1681 | break; | |
1682 | ||
1683 | case R_OR1K_GOT16: | |
07d6d2b8 AM |
1684 | case R_OR1K_TLS_GD_HI16: |
1685 | case R_OR1K_TLS_GD_LO16: | |
1686 | case R_OR1K_TLS_IE_HI16: | |
1687 | case R_OR1K_TLS_IE_LO16: | |
1c4f3780 | 1688 | case R_OR1K_TLS_IE_AHI16: |
07d6d2b8 AM |
1689 | if (h != NULL) |
1690 | h->got.refcount += 1; | |
1691 | else | |
1692 | { | |
1693 | bfd_signed_vma *local_got_refcounts; | |
1694 | ||
1695 | /* This is a global offset table entry for a local symbol. */ | |
1696 | local_got_refcounts = elf_local_got_refcounts (abfd); | |
1697 | if (local_got_refcounts == NULL) | |
1698 | { | |
1699 | bfd_size_type size; | |
1700 | ||
1701 | size = symtab_hdr->sh_info; | |
1702 | size *= sizeof (bfd_signed_vma); | |
1703 | local_got_refcounts = bfd_zalloc (abfd, size); | |
1704 | if (local_got_refcounts == NULL) | |
1705 | return FALSE; | |
1706 | elf_local_got_refcounts (abfd) = local_got_refcounts; | |
1707 | } | |
1708 | local_got_refcounts[r_symndx] += 1; | |
1709 | } | |
1c4f3780 RH |
1710 | /* FALLTHRU */ |
1711 | ||
1712 | case R_OR1K_GOTOFF_HI16: | |
1713 | case R_OR1K_GOTOFF_LO16: | |
1714 | case R_OR1K_GOTOFF_AHI16: | |
1715 | case R_OR1K_GOTOFF_SLO16: | |
1716 | if (htab->root.sgot == NULL) | |
1717 | { | |
1718 | if (dynobj == NULL) | |
1719 | htab->root.dynobj = dynobj = abfd; | |
1720 | if (!_bfd_elf_create_got_section (dynobj, info)) | |
1721 | return FALSE; | |
07d6d2b8 AM |
1722 | } |
1723 | break; | |
1724 | ||
1725 | case R_OR1K_INSN_REL_26: | |
1726 | case R_OR1K_HI_16_IN_INSN: | |
1727 | case R_OR1K_LO_16_IN_INSN: | |
1c4f3780 RH |
1728 | case R_OR1K_AHI16: |
1729 | case R_OR1K_SLO16: | |
07d6d2b8 | 1730 | case R_OR1K_32: |
07d6d2b8 AM |
1731 | { |
1732 | if (h != NULL && !bfd_link_pic (info)) | |
1733 | { | |
1734 | /* We may need a copy reloc. */ | |
1735 | h->non_got_ref = 1; | |
1736 | ||
1737 | /* We may also need a .plt entry. */ | |
1738 | h->plt.refcount += 1; | |
1c4f3780 | 1739 | if (r_type != R_OR1K_INSN_REL_26) |
07d6d2b8 AM |
1740 | h->pointer_equality_needed = 1; |
1741 | } | |
1742 | ||
1743 | /* If we are creating a shared library, and this is a reloc | |
1744 | against a global symbol, or a non PC relative reloc | |
1745 | against a local symbol, then we need to copy the reloc | |
1746 | into the shared library. However, if we are linking with | |
1747 | -Bsymbolic, we do not need to copy a reloc against a | |
1748 | global symbol which is defined in an object we are | |
1749 | including in the link (i.e., DEF_REGULAR is set). At | |
1750 | this point we have not seen all the input files, so it is | |
1751 | possible that DEF_REGULAR is not set now but will be set | |
1752 | later (it is never cleared). In case of a weak definition, | |
1753 | DEF_REGULAR may be cleared later by a strong definition in | |
1754 | a shared library. We account for that possibility below by | |
1755 | storing information in the relocs_copied field of the hash | |
1756 | table entry. A similar situation occurs when creating | |
1757 | shared libraries and symbol visibility changes render the | |
1758 | symbol local. | |
1759 | ||
1760 | If on the other hand, we are creating an executable, we | |
1761 | may need to keep relocations for symbols satisfied by a | |
1762 | dynamic library if we manage to avoid copy relocs for the | |
1763 | symbol. */ | |
1764 | ||
1765 | if ((bfd_link_pic (info) | |
1766 | && (sec->flags & SEC_ALLOC) != 0 | |
1c4f3780 | 1767 | && (r_type != R_OR1K_INSN_REL_26 |
07d6d2b8 AM |
1768 | || (h != NULL |
1769 | && (!SYMBOLIC_BIND (info, h) | |
1770 | || h->root.type == bfd_link_hash_defweak | |
1771 | || !h->def_regular)))) | |
1772 | || (!bfd_link_pic (info) | |
1773 | && (sec->flags & SEC_ALLOC) != 0 | |
1774 | && h != NULL | |
1775 | && (h->root.type == bfd_link_hash_defweak | |
1776 | || !h->def_regular))) | |
1777 | { | |
1778 | struct elf_dyn_relocs *p; | |
1779 | struct elf_dyn_relocs **head; | |
1780 | ||
1781 | /* When creating a shared object, we must copy these | |
1782 | relocs into the output file. We create a reloc | |
1783 | section in dynobj and make room for the reloc. */ | |
1784 | if (sreloc == NULL) | |
1785 | { | |
1786 | const char *name; | |
1787 | unsigned int strndx = elf_elfheader (abfd)->e_shstrndx; | |
1788 | unsigned int shnam = _bfd_elf_single_rel_hdr (sec)->sh_name; | |
1789 | ||
1790 | name = bfd_elf_string_from_elf_section (abfd, strndx, shnam); | |
1791 | if (name == NULL) | |
1792 | return FALSE; | |
1793 | ||
1794 | if (strncmp (name, ".rela", 5) != 0 | |
1795 | || strcmp (bfd_get_section_name (abfd, sec), | |
1796 | name + 5) != 0) | |
1797 | { | |
4eca0228 | 1798 | _bfd_error_handler |
695344c0 | 1799 | /* xgettext:c-format */ |
871b3ab2 | 1800 | (_("%pB: bad relocation section name `%s\'"), |
07d6d2b8 AM |
1801 | abfd, name); |
1802 | } | |
1803 | ||
1804 | if (htab->root.dynobj == NULL) | |
1805 | htab->root.dynobj = abfd; | |
1806 | dynobj = htab->root.dynobj; | |
1807 | ||
1808 | sreloc = bfd_get_section_by_name (dynobj, name); | |
1809 | if (sreloc == NULL) | |
1810 | { | |
1811 | sreloc = _bfd_elf_make_dynamic_reloc_section | |
1812 | (sec, dynobj, 2, abfd, /*rela?*/ TRUE); | |
1813 | ||
1814 | if (sreloc == NULL) | |
1815 | return FALSE; | |
1816 | } | |
1817 | elf_section_data (sec)->sreloc = sreloc; | |
1818 | } | |
1819 | ||
1820 | /* If this is a global symbol, we count the number of | |
1821 | relocations we need for this symbol. */ | |
1822 | if (h != NULL) | |
1823 | head = &((struct elf_or1k_link_hash_entry *) h)->dyn_relocs; | |
1824 | else | |
1825 | { | |
1826 | /* Track dynamic relocs needed for local syms too. | |
1827 | We really need local syms available to do this | |
1828 | easily. Oh well. */ | |
1829 | ||
1830 | asection *s; | |
1831 | Elf_Internal_Sym *isym; | |
1832 | void *vpp; | |
1833 | ||
1834 | isym = bfd_sym_from_r_symndx (&htab->sym_sec, | |
1835 | abfd, r_symndx); | |
1836 | if (isym == NULL) | |
1837 | return FALSE; | |
1838 | ||
1839 | s = bfd_section_from_elf_index (abfd, isym->st_shndx); | |
1840 | if (s == NULL) | |
1841 | return FALSE; | |
1842 | ||
1843 | vpp = &elf_section_data (s)->local_dynrel; | |
1844 | head = (struct elf_dyn_relocs **) vpp; | |
1845 | } | |
1846 | ||
1847 | p = *head; | |
1848 | if (p == NULL || p->sec != sec) | |
1849 | { | |
1850 | bfd_size_type amt = sizeof *p; | |
1851 | p = ((struct elf_dyn_relocs *) | |
1852 | bfd_alloc (htab->root.dynobj, amt)); | |
1853 | if (p == NULL) | |
1854 | return FALSE; | |
1855 | p->next = *head; | |
1856 | *head = p; | |
1857 | p->sec = sec; | |
1858 | p->count = 0; | |
1859 | p->pc_count = 0; | |
1860 | } | |
1861 | ||
1862 | p->count += 1; | |
1c4f3780 | 1863 | if (r_type == R_OR1K_INSN_REL_26) |
07d6d2b8 AM |
1864 | p->pc_count += 1; |
1865 | } | |
1866 | } | |
1867 | break; | |
1868 | } | |
73589c9d CS |
1869 | } |
1870 | ||
1871 | return TRUE; | |
1872 | } | |
1873 | ||
1874 | /* Finish up the dynamic sections. */ | |
1875 | ||
1876 | static bfd_boolean | |
1877 | or1k_elf_finish_dynamic_sections (bfd *output_bfd, | |
07d6d2b8 | 1878 | struct bfd_link_info *info) |
73589c9d CS |
1879 | { |
1880 | bfd *dynobj; | |
1881 | asection *sdyn, *sgot; | |
1882 | struct elf_or1k_link_hash_table *htab; | |
1883 | ||
1884 | htab = or1k_elf_hash_table (info); | |
1885 | if (htab == NULL) | |
1886 | return FALSE; | |
1887 | ||
1888 | dynobj = htab->root.dynobj; | |
1889 | ||
ce558b89 | 1890 | sgot = htab->root.sgotplt; |
73589c9d CS |
1891 | sdyn = bfd_get_section_by_name (dynobj, ".dynamic"); |
1892 | ||
1893 | if (htab->root.dynamic_sections_created) | |
1894 | { | |
1895 | asection *splt; | |
1896 | Elf32_External_Dyn *dyncon, *dynconend; | |
1897 | ||
1898 | BFD_ASSERT (sgot != NULL && sdyn != NULL); | |
1899 | ||
1900 | dyncon = (Elf32_External_Dyn *) sdyn->contents; | |
1901 | dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size); | |
1902 | ||
1903 | for (; dyncon < dynconend; dyncon++) | |
07d6d2b8 AM |
1904 | { |
1905 | Elf_Internal_Dyn dyn; | |
1906 | asection *s; | |
73589c9d | 1907 | |
07d6d2b8 | 1908 | bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn); |
73589c9d | 1909 | |
07d6d2b8 AM |
1910 | switch (dyn.d_tag) |
1911 | { | |
1912 | default: | |
1913 | continue; | |
73589c9d | 1914 | |
07d6d2b8 AM |
1915 | case DT_PLTGOT: |
1916 | s = htab->root.sgotplt; | |
1917 | dyn.d_un.d_ptr = s->output_section->vma + s->output_offset; | |
1918 | break; | |
73589c9d | 1919 | |
07d6d2b8 AM |
1920 | case DT_JMPREL: |
1921 | s = htab->root.srelplt; | |
1922 | dyn.d_un.d_ptr = s->output_section->vma + s->output_offset; | |
1923 | break; | |
73589c9d | 1924 | |
07d6d2b8 AM |
1925 | case DT_PLTRELSZ: |
1926 | s = htab->root.srelplt; | |
1927 | dyn.d_un.d_val = s->size; | |
1928 | break; | |
1929 | } | |
1930 | bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon); | |
1931 | } | |
73589c9d CS |
1932 | |
1933 | ||
1934 | /* Fill in the first entry in the procedure linkage table. */ | |
ce558b89 | 1935 | splt = htab->root.splt; |
73589c9d | 1936 | if (splt && splt->size > 0) |
07d6d2b8 AM |
1937 | { |
1938 | if (bfd_link_pic (info)) | |
1939 | { | |
1940 | bfd_put_32 (output_bfd, PLT0_PIC_ENTRY_WORD0, | |
1941 | splt->contents); | |
1942 | bfd_put_32 (output_bfd, PLT0_PIC_ENTRY_WORD1, | |
1943 | splt->contents + 4); | |
1944 | bfd_put_32 (output_bfd, PLT0_PIC_ENTRY_WORD2, | |
1945 | splt->contents + 8); | |
1946 | bfd_put_32 (output_bfd, PLT0_PIC_ENTRY_WORD3, | |
1947 | splt->contents + 12); | |
1948 | bfd_put_32 (output_bfd, PLT0_PIC_ENTRY_WORD4, | |
1949 | splt->contents + 16); | |
1950 | } | |
1951 | else | |
1952 | { | |
1953 | unsigned long addr; | |
1954 | /* addr = .got + 4 */ | |
1955 | addr = sgot->output_section->vma + sgot->output_offset + 4; | |
1956 | bfd_put_32 (output_bfd, | |
1957 | PLT0_ENTRY_WORD0 | ((addr >> 16) & 0xffff), | |
1958 | splt->contents); | |
1959 | bfd_put_32 (output_bfd, | |
1960 | PLT0_ENTRY_WORD1 | (addr & 0xffff), | |
1961 | splt->contents + 4); | |
1962 | bfd_put_32 (output_bfd, PLT0_ENTRY_WORD2, splt->contents + 8); | |
1963 | bfd_put_32 (output_bfd, PLT0_ENTRY_WORD3, splt->contents + 12); | |
1964 | bfd_put_32 (output_bfd, PLT0_ENTRY_WORD4, splt->contents + 16); | |
1965 | } | |
1966 | ||
1967 | elf_section_data (splt->output_section)->this_hdr.sh_entsize = 4; | |
1968 | } | |
73589c9d CS |
1969 | } |
1970 | ||
1971 | /* Set the first entry in the global offset table to the address of | |
1972 | the dynamic section. */ | |
1973 | if (sgot && sgot->size > 0) | |
1974 | { | |
1975 | if (sdyn == NULL) | |
07d6d2b8 | 1976 | bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents); |
73589c9d | 1977 | else |
07d6d2b8 AM |
1978 | bfd_put_32 (output_bfd, |
1979 | sdyn->output_section->vma + sdyn->output_offset, | |
1980 | sgot->contents); | |
73589c9d CS |
1981 | elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 4; |
1982 | } | |
1983 | ||
ce558b89 AM |
1984 | if (htab->root.sgot && htab->root.sgot->size > 0) |
1985 | elf_section_data (htab->root.sgot->output_section)->this_hdr.sh_entsize = 4; | |
73589c9d CS |
1986 | |
1987 | return TRUE; | |
1988 | } | |
1989 | ||
1990 | /* Finish up dynamic symbol handling. We set the contents of various | |
1991 | dynamic sections here. */ | |
1992 | ||
1993 | static bfd_boolean | |
1994 | or1k_elf_finish_dynamic_symbol (bfd *output_bfd, | |
07d6d2b8 AM |
1995 | struct bfd_link_info *info, |
1996 | struct elf_link_hash_entry *h, | |
1997 | Elf_Internal_Sym *sym) | |
73589c9d CS |
1998 | { |
1999 | struct elf_or1k_link_hash_table *htab; | |
2000 | bfd_byte *loc; | |
2001 | ||
2002 | htab = or1k_elf_hash_table (info); | |
2003 | if (htab == NULL) | |
2004 | return FALSE; | |
2005 | ||
2006 | if (h->plt.offset != (bfd_vma) -1) | |
2007 | { | |
2008 | asection *splt; | |
2009 | asection *sgot; | |
2010 | asection *srela; | |
2011 | ||
2012 | bfd_vma plt_index; | |
2013 | bfd_vma got_offset; | |
2014 | bfd_vma got_addr; | |
2015 | Elf_Internal_Rela rela; | |
2016 | ||
2017 | /* This symbol has an entry in the procedure linkage table. Set | |
07d6d2b8 | 2018 | it up. */ |
73589c9d CS |
2019 | BFD_ASSERT (h->dynindx != -1); |
2020 | ||
ce558b89 AM |
2021 | splt = htab->root.splt; |
2022 | sgot = htab->root.sgotplt; | |
2023 | srela = htab->root.srelplt; | |
73589c9d CS |
2024 | BFD_ASSERT (splt != NULL && sgot != NULL && srela != NULL); |
2025 | ||
2026 | /* Get the index in the procedure linkage table which | |
07d6d2b8 AM |
2027 | corresponds to this symbol. This is the index of this symbol |
2028 | in all the symbols for which we are making plt entries. The | |
2029 | first entry in the procedure linkage table is reserved. */ | |
73589c9d CS |
2030 | plt_index = h->plt.offset / PLT_ENTRY_SIZE - 1; |
2031 | ||
2032 | /* Get the offset into the .got table of the entry that | |
07d6d2b8 AM |
2033 | corresponds to this function. Each .got entry is 4 bytes. |
2034 | The first three are reserved. */ | |
73589c9d CS |
2035 | got_offset = (plt_index + 3) * 4; |
2036 | got_addr = got_offset; | |
2037 | ||
2038 | /* Fill in the entry in the procedure linkage table. */ | |
0e1862bb | 2039 | if (! bfd_link_pic (info)) |
07d6d2b8 AM |
2040 | { |
2041 | got_addr += htab->root.sgotplt->output_section->vma | |
2042 | + htab->root.sgotplt->output_offset; | |
2043 | bfd_put_32 (output_bfd, PLT_ENTRY_WORD0 | ((got_addr >> 16) & 0xffff), | |
2044 | splt->contents + h->plt.offset); | |
2045 | bfd_put_32 (output_bfd, PLT_ENTRY_WORD1 | (got_addr & 0xffff), | |
2046 | splt->contents + h->plt.offset + 4); | |
2047 | bfd_put_32 (output_bfd, (bfd_vma) PLT_ENTRY_WORD2, | |
2048 | splt->contents + h->plt.offset + 8); | |
2049 | bfd_put_32 (output_bfd, (bfd_vma) PLT_ENTRY_WORD3, | |
2050 | splt->contents + h->plt.offset + 12); | |
2051 | bfd_put_32 (output_bfd, PLT_ENTRY_WORD4 | |
2052 | | plt_index * sizeof (Elf32_External_Rela), | |
2053 | splt->contents + h->plt.offset + 16); | |
2054 | } | |
73589c9d | 2055 | else |
07d6d2b8 AM |
2056 | { |
2057 | bfd_put_32 (output_bfd, PLT_PIC_ENTRY_WORD0 | (got_addr & 0xffff), | |
2058 | splt->contents + h->plt.offset); | |
2059 | bfd_put_32 (output_bfd, PLT_PIC_ENTRY_WORD1 | |
2060 | | plt_index * sizeof (Elf32_External_Rela), | |
2061 | splt->contents + h->plt.offset + 4); | |
2062 | bfd_put_32 (output_bfd, (bfd_vma) PLT_PIC_ENTRY_WORD2, | |
2063 | splt->contents + h->plt.offset + 8); | |
2064 | bfd_put_32 (output_bfd, (bfd_vma) PLT_PIC_ENTRY_WORD3, | |
2065 | splt->contents + h->plt.offset + 12); | |
2066 | bfd_put_32 (output_bfd, (bfd_vma) PLT_PIC_ENTRY_WORD4, | |
2067 | splt->contents + h->plt.offset + 16); | |
2068 | } | |
73589c9d CS |
2069 | |
2070 | /* Fill in the entry in the global offset table. */ | |
2071 | bfd_put_32 (output_bfd, | |
07d6d2b8 AM |
2072 | (splt->output_section->vma |
2073 | + splt->output_offset), /* Same offset. */ | |
2074 | sgot->contents + got_offset); | |
73589c9d CS |
2075 | |
2076 | /* Fill in the entry in the .rela.plt section. */ | |
2077 | rela.r_offset = (sgot->output_section->vma | |
07d6d2b8 AM |
2078 | + sgot->output_offset |
2079 | + got_offset); | |
73589c9d CS |
2080 | rela.r_info = ELF32_R_INFO (h->dynindx, R_OR1K_JMP_SLOT); |
2081 | rela.r_addend = 0; | |
2082 | loc = srela->contents; | |
2083 | loc += plt_index * sizeof (Elf32_External_Rela); | |
2084 | bfd_elf32_swap_reloca_out (output_bfd, &rela, loc); | |
2085 | ||
2086 | if (!h->def_regular) | |
07d6d2b8 AM |
2087 | { |
2088 | /* Mark the symbol as undefined, rather than as defined in | |
2089 | the .plt section. Leave the value alone. */ | |
2090 | sym->st_shndx = SHN_UNDEF; | |
2091 | } | |
73589c9d CS |
2092 | |
2093 | } | |
2094 | ||
2095 | if (h->got.offset != (bfd_vma) -1 | |
2096 | && (h->got.offset & 2) == 0) /* Homemade TLS check. */ | |
2097 | { | |
2098 | asection *sgot; | |
2099 | asection *srela; | |
2100 | Elf_Internal_Rela rela; | |
2101 | ||
2102 | /* This symbol has an entry in the global offset table. Set it | |
07d6d2b8 | 2103 | up. */ |
ce558b89 AM |
2104 | sgot = htab->root.sgot; |
2105 | srela = htab->root.srelgot; | |
73589c9d CS |
2106 | BFD_ASSERT (sgot != NULL && srela != NULL); |
2107 | ||
2108 | rela.r_offset = (sgot->output_section->vma | |
07d6d2b8 AM |
2109 | + sgot->output_offset |
2110 | + (h->got.offset &~ 1)); | |
73589c9d CS |
2111 | |
2112 | /* If this is a -Bsymbolic link, and the symbol is defined | |
07d6d2b8 AM |
2113 | locally, we just want to emit a RELATIVE reloc. Likewise if |
2114 | the symbol was forced to be local because of a version file. | |
2115 | The entry in the global offset table will already have been | |
2116 | initialized in the relocate_section function. */ | |
0e1862bb | 2117 | if (bfd_link_pic (info) && SYMBOL_REFERENCES_LOCAL (info, h)) |
07d6d2b8 AM |
2118 | { |
2119 | rela.r_info = ELF32_R_INFO (0, R_OR1K_RELATIVE); | |
2120 | rela.r_addend = (h->root.u.def.value | |
2121 | + h->root.u.def.section->output_section->vma | |
2122 | + h->root.u.def.section->output_offset); | |
2123 | } | |
73589c9d | 2124 | else |
07d6d2b8 AM |
2125 | { |
2126 | BFD_ASSERT ((h->got.offset & 1) == 0); | |
2127 | bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset); | |
2128 | rela.r_info = ELF32_R_INFO (h->dynindx, R_OR1K_GLOB_DAT); | |
2129 | rela.r_addend = 0; | |
2130 | } | |
73589c9d CS |
2131 | |
2132 | loc = srela->contents; | |
2133 | loc += srela->reloc_count * sizeof (Elf32_External_Rela); | |
2134 | bfd_elf32_swap_reloca_out (output_bfd, &rela, loc); | |
2135 | ++srela->reloc_count; | |
2136 | } | |
2137 | ||
2138 | if (h->needs_copy) | |
2139 | { | |
2140 | asection *s; | |
2141 | Elf_Internal_Rela rela; | |
2142 | ||
2143 | /* This symbols needs a copy reloc. Set it up. */ | |
2144 | BFD_ASSERT (h->dynindx != -1 | |
07d6d2b8 AM |
2145 | && (h->root.type == bfd_link_hash_defined |
2146 | || h->root.type == bfd_link_hash_defweak)); | |
73589c9d | 2147 | |
73589c9d | 2148 | rela.r_offset = (h->root.u.def.value |
07d6d2b8 AM |
2149 | + h->root.u.def.section->output_section->vma |
2150 | + h->root.u.def.section->output_offset); | |
73589c9d CS |
2151 | rela.r_info = ELF32_R_INFO (h->dynindx, R_OR1K_COPY); |
2152 | rela.r_addend = 0; | |
afbf7e8e | 2153 | if (h->root.u.def.section == htab->root.sdynrelro) |
5474d94f AM |
2154 | s = htab->root.sreldynrelro; |
2155 | else | |
2156 | s = htab->root.srelbss; | |
2157 | loc = s->contents + s->reloc_count * sizeof (Elf32_External_Rela); | |
73589c9d CS |
2158 | bfd_elf32_swap_reloca_out (output_bfd, &rela, loc); |
2159 | ++s->reloc_count; | |
2160 | } | |
2161 | ||
2162 | /* Mark some specially defined symbols as absolute. */ | |
2163 | if (strcmp (h->root.root.string, "_DYNAMIC") == 0 | |
2164 | || h == htab->root.hgot) | |
2165 | sym->st_shndx = SHN_ABS; | |
2166 | ||
2167 | return TRUE; | |
2168 | } | |
2169 | ||
2170 | static enum elf_reloc_type_class | |
2171 | or1k_elf_reloc_type_class (const struct bfd_link_info *info ATTRIBUTE_UNUSED, | |
07d6d2b8 AM |
2172 | const asection *rel_sec ATTRIBUTE_UNUSED, |
2173 | const Elf_Internal_Rela *rela) | |
73589c9d CS |
2174 | { |
2175 | switch ((int) ELF32_R_TYPE (rela->r_info)) | |
2176 | { | |
2177 | case R_OR1K_RELATIVE: return reloc_class_relative; | |
2178 | case R_OR1K_JMP_SLOT: return reloc_class_plt; | |
07d6d2b8 AM |
2179 | case R_OR1K_COPY: return reloc_class_copy; |
2180 | default: return reloc_class_normal; | |
73589c9d CS |
2181 | } |
2182 | } | |
2183 | ||
63c1f59d AM |
2184 | /* Find dynamic relocs for H that apply to read-only sections. */ |
2185 | ||
2186 | static asection * | |
2187 | readonly_dynrelocs (struct elf_link_hash_entry *h) | |
2188 | { | |
3bf083ed | 2189 | struct elf_dyn_relocs *p; |
63c1f59d AM |
2190 | struct elf_or1k_link_hash_entry *eh = (struct elf_or1k_link_hash_entry *) h; |
2191 | ||
2192 | for (p = eh->dyn_relocs; p != NULL; p = p->next) | |
2193 | { | |
2194 | asection *s = p->sec->output_section; | |
2195 | ||
2196 | if (s != NULL && (s->flags & SEC_READONLY) != 0) | |
2197 | return p->sec; | |
2198 | } | |
2199 | return NULL; | |
2200 | } | |
2201 | ||
73589c9d CS |
2202 | /* Adjust a symbol defined by a dynamic object and referenced by a |
2203 | regular object. The current definition is in some section of the | |
2204 | dynamic object, but we're not including those sections. We have to | |
2205 | change the definition to something the rest of the link can | |
2206 | understand. */ | |
2207 | ||
2208 | static bfd_boolean | |
2209 | or1k_elf_adjust_dynamic_symbol (struct bfd_link_info *info, | |
07d6d2b8 | 2210 | struct elf_link_hash_entry *h) |
73589c9d CS |
2211 | { |
2212 | struct elf_or1k_link_hash_table *htab; | |
73589c9d | 2213 | bfd *dynobj; |
5474d94f | 2214 | asection *s, *srel; |
73589c9d CS |
2215 | |
2216 | dynobj = elf_hash_table (info)->dynobj; | |
2217 | ||
2218 | /* Make sure we know what is going on here. */ | |
2219 | BFD_ASSERT (dynobj != NULL | |
07d6d2b8 AM |
2220 | && (h->needs_plt |
2221 | || h->is_weakalias | |
2222 | || (h->def_dynamic | |
2223 | && h->ref_regular | |
2224 | && !h->def_regular))); | |
73589c9d CS |
2225 | |
2226 | /* If this is a function, put it in the procedure linkage table. We | |
2227 | will fill in the contents of the procedure linkage table later, | |
2228 | when we know the address of the .got section. */ | |
2229 | if (h->type == STT_FUNC | |
2230 | || h->needs_plt) | |
2231 | { | |
0e1862bb | 2232 | if (! bfd_link_pic (info) |
07d6d2b8 AM |
2233 | && !h->def_dynamic |
2234 | && !h->ref_dynamic | |
2235 | && h->root.type != bfd_link_hash_undefweak | |
2236 | && h->root.type != bfd_link_hash_undefined) | |
2237 | { | |
2238 | /* This case can occur if we saw a PLT reloc in an input | |
2239 | file, but the symbol was never referred to by a dynamic | |
2240 | object. In such a case, we don't actually need to build | |
2241 | a procedure linkage table, and we can just do a PCREL | |
2242 | reloc instead. */ | |
2243 | h->plt.offset = (bfd_vma) -1; | |
2244 | h->needs_plt = 0; | |
2245 | } | |
73589c9d CS |
2246 | |
2247 | return TRUE; | |
2248 | } | |
2249 | else | |
2250 | h->plt.offset = (bfd_vma) -1; | |
2251 | ||
2252 | /* If this is a weak symbol, and there is a real definition, the | |
2253 | processor independent code will have arranged for us to see the | |
2254 | real definition first, and we can just use the same value. */ | |
60d67dc8 | 2255 | if (h->is_weakalias) |
73589c9d | 2256 | { |
60d67dc8 AM |
2257 | struct elf_link_hash_entry *def = weakdef (h); |
2258 | BFD_ASSERT (def->root.type == bfd_link_hash_defined); | |
2259 | h->root.u.def.section = def->root.u.def.section; | |
2260 | h->root.u.def.value = def->root.u.def.value; | |
73589c9d CS |
2261 | return TRUE; |
2262 | } | |
2263 | ||
2264 | /* This is a reference to a symbol defined by a dynamic object which | |
2265 | is not a function. */ | |
2266 | ||
2267 | /* If we are creating a shared library, we must presume that the | |
2268 | only references to the symbol are via the global offset table. | |
2269 | For such cases we need not do anything here; the relocations will | |
2270 | be handled correctly by relocate_section. */ | |
0e1862bb | 2271 | if (bfd_link_pic (info)) |
73589c9d CS |
2272 | return TRUE; |
2273 | ||
2274 | /* If there are no references to this symbol that do not use the | |
2275 | GOT, we don't need to generate a copy reloc. */ | |
2276 | if (!h->non_got_ref) | |
2277 | return TRUE; | |
2278 | ||
2279 | /* If -z nocopyreloc was given, we won't generate them either. */ | |
2280 | if (info->nocopyreloc) | |
2281 | { | |
2282 | h->non_got_ref = 0; | |
2283 | return TRUE; | |
2284 | } | |
2285 | ||
3bf083ed AM |
2286 | /* If we don't find any dynamic relocs in read-only sections, then |
2287 | we'll be keeping the dynamic relocs and avoiding the copy reloc. */ | |
2288 | if (!readonly_dynrelocs (h)) | |
73589c9d CS |
2289 | { |
2290 | h->non_got_ref = 0; | |
2291 | return TRUE; | |
2292 | } | |
2293 | ||
2294 | /* We must allocate the symbol in our .dynbss section, which will | |
2295 | become part of the .bss section of the executable. There will be | |
2296 | an entry for this symbol in the .dynsym section. The dynamic | |
2297 | object will contain position independent code, so all references | |
2298 | from the dynamic object to this symbol will go through the global | |
2299 | offset table. The dynamic linker will use the .dynsym entry to | |
2300 | determine the address it must put in the global offset table, so | |
2301 | both the dynamic object and the regular object will refer to the | |
2302 | same memory location for the variable. */ | |
2303 | ||
2304 | htab = or1k_elf_hash_table (info); | |
2305 | if (htab == NULL) | |
2306 | return FALSE; | |
2307 | ||
73589c9d CS |
2308 | /* We must generate a R_OR1K_COPY reloc to tell the dynamic linker |
2309 | to copy the initial value out of the dynamic object and into the | |
2310 | runtime process image. We need to remember the offset into the | |
2311 | .rela.bss section we are going to use. */ | |
5474d94f | 2312 | if ((h->root.u.def.section->flags & SEC_READONLY) != 0) |
73589c9d | 2313 | { |
5474d94f AM |
2314 | s = htab->root.sdynrelro; |
2315 | srel = htab->root.sreldynrelro; | |
2316 | } | |
2317 | else | |
2318 | { | |
2319 | s = htab->root.sdynbss; | |
9d19e4fd | 2320 | srel = htab->root.srelbss; |
5474d94f AM |
2321 | } |
2322 | if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0) | |
2323 | { | |
73589c9d CS |
2324 | srel->size += sizeof (Elf32_External_Rela); |
2325 | h->needs_copy = 1; | |
2326 | } | |
2327 | ||
6cabe1ea | 2328 | return _bfd_elf_adjust_dynamic_copy (info, h, s); |
73589c9d CS |
2329 | } |
2330 | ||
2331 | /* Allocate space in .plt, .got and associated reloc sections for | |
2332 | dynamic relocs. */ | |
2333 | ||
2334 | static bfd_boolean | |
2335 | allocate_dynrelocs (struct elf_link_hash_entry *h, void * inf) | |
2336 | { | |
2337 | struct bfd_link_info *info; | |
2338 | struct elf_or1k_link_hash_table *htab; | |
2339 | struct elf_or1k_link_hash_entry *eh; | |
3bf083ed | 2340 | struct elf_dyn_relocs *p; |
73589c9d CS |
2341 | |
2342 | if (h->root.type == bfd_link_hash_indirect) | |
2343 | return TRUE; | |
2344 | ||
2345 | info = (struct bfd_link_info *) inf; | |
2346 | htab = or1k_elf_hash_table (info); | |
2347 | if (htab == NULL) | |
2348 | return FALSE; | |
2349 | ||
2350 | eh = (struct elf_or1k_link_hash_entry *) h; | |
2351 | ||
2352 | if (htab->root.dynamic_sections_created | |
2353 | && h->plt.refcount > 0) | |
2354 | { | |
2355 | /* Make sure this symbol is output as a dynamic symbol. | |
07d6d2b8 | 2356 | Undefined weak syms won't yet be marked as dynamic. */ |
73589c9d | 2357 | if (h->dynindx == -1 |
07d6d2b8 AM |
2358 | && !h->forced_local) |
2359 | { | |
2360 | if (! bfd_elf_link_record_dynamic_symbol (info, h)) | |
2361 | return FALSE; | |
2362 | } | |
73589c9d | 2363 | |
0e1862bb | 2364 | if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, bfd_link_pic (info), h)) |
07d6d2b8 AM |
2365 | { |
2366 | asection *s = htab->root.splt; | |
2367 | ||
2368 | /* If this is the first .plt entry, make room for the special | |
2369 | first entry. */ | |
2370 | if (s->size == 0) | |
2371 | s->size = PLT_ENTRY_SIZE; | |
2372 | ||
2373 | h->plt.offset = s->size; | |
2374 | ||
2375 | /* If this symbol is not defined in a regular file, and we are | |
2376 | not generating a shared library, then set the symbol to this | |
2377 | location in the .plt. This is required to make function | |
2378 | pointers compare as equal between the normal executable and | |
2379 | the shared library. */ | |
2380 | if (! bfd_link_pic (info) | |
2381 | && !h->def_regular) | |
2382 | { | |
2383 | h->root.u.def.section = s; | |
2384 | h->root.u.def.value = h->plt.offset; | |
2385 | } | |
2386 | ||
2387 | /* Make room for this entry. */ | |
2388 | s->size += PLT_ENTRY_SIZE; | |
2389 | ||
2390 | /* We also need to make an entry in the .got.plt section, which | |
2391 | will be placed in the .got section by the linker script. */ | |
2392 | htab->root.sgotplt->size += 4; | |
2393 | ||
2394 | /* We also need to make an entry in the .rel.plt section. */ | |
2395 | htab->root.srelplt->size += sizeof (Elf32_External_Rela); | |
2396 | } | |
73589c9d | 2397 | else |
07d6d2b8 AM |
2398 | { |
2399 | h->plt.offset = (bfd_vma) -1; | |
2400 | h->needs_plt = 0; | |
2401 | } | |
73589c9d CS |
2402 | } |
2403 | else | |
2404 | { | |
2405 | h->plt.offset = (bfd_vma) -1; | |
2406 | h->needs_plt = 0; | |
2407 | } | |
2408 | ||
2409 | if (h->got.refcount > 0) | |
2410 | { | |
2411 | asection *s; | |
2412 | bfd_boolean dyn; | |
2413 | unsigned char tls_type; | |
2414 | ||
2415 | /* Make sure this symbol is output as a dynamic symbol. | |
07d6d2b8 | 2416 | Undefined weak syms won't yet be marked as dynamic. */ |
73589c9d | 2417 | if (h->dynindx == -1 |
07d6d2b8 AM |
2418 | && !h->forced_local) |
2419 | { | |
2420 | if (! bfd_elf_link_record_dynamic_symbol (info, h)) | |
2421 | return FALSE; | |
2422 | } | |
73589c9d | 2423 | |
ce558b89 | 2424 | s = htab->root.sgot; |
73589c9d CS |
2425 | |
2426 | h->got.offset = s->size; | |
2427 | ||
2428 | tls_type = ((struct elf_or1k_link_hash_entry *) h)->tls_type; | |
2429 | ||
2430 | /* TLS GD requires two GOT and two relocs. */ | |
2431 | if (tls_type == TLS_GD) | |
07d6d2b8 | 2432 | s->size += 8; |
73589c9d | 2433 | else |
07d6d2b8 | 2434 | s->size += 4; |
73589c9d | 2435 | dyn = htab->root.dynamic_sections_created; |
0e1862bb | 2436 | if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, bfd_link_pic (info), h)) |
07d6d2b8 AM |
2437 | { |
2438 | if (tls_type == TLS_GD) | |
2439 | htab->root.srelgot->size += 2 * sizeof (Elf32_External_Rela); | |
2440 | else | |
2441 | htab->root.srelgot->size += sizeof (Elf32_External_Rela); | |
2442 | } | |
73589c9d CS |
2443 | } |
2444 | else | |
2445 | h->got.offset = (bfd_vma) -1; | |
2446 | ||
2447 | if (eh->dyn_relocs == NULL) | |
2448 | return TRUE; | |
2449 | ||
2450 | /* In the shared -Bsymbolic case, discard space allocated for | |
2451 | dynamic pc-relative relocs against symbols which turn out to be | |
2452 | defined in regular objects. For the normal shared case, discard | |
2453 | space for pc-relative relocs that have become local due to symbol | |
2454 | visibility changes. */ | |
2455 | ||
0e1862bb | 2456 | if (bfd_link_pic (info)) |
73589c9d | 2457 | { |
ffccb7af | 2458 | if (SYMBOL_CALLS_LOCAL (info, h)) |
07d6d2b8 AM |
2459 | { |
2460 | struct elf_dyn_relocs **pp; | |
2461 | ||
2462 | for (pp = &eh->dyn_relocs; (p = *pp) != NULL;) | |
2463 | { | |
2464 | p->count -= p->pc_count; | |
2465 | p->pc_count = 0; | |
2466 | if (p->count == 0) | |
2467 | *pp = p->next; | |
2468 | else | |
2469 | pp = &p->next; | |
2470 | } | |
2471 | } | |
73589c9d CS |
2472 | |
2473 | /* Also discard relocs on undefined weak syms with non-default | |
07d6d2b8 | 2474 | visibility. */ |
73589c9d | 2475 | if (eh->dyn_relocs != NULL |
07d6d2b8 AM |
2476 | && h->root.type == bfd_link_hash_undefweak) |
2477 | { | |
2478 | if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT) | |
2479 | eh->dyn_relocs = NULL; | |
2480 | ||
2481 | /* Make sure undefined weak symbols are output as a dynamic | |
2482 | symbol in PIEs. */ | |
2483 | else if (h->dynindx == -1 | |
2484 | && !h->forced_local) | |
2485 | { | |
2486 | if (! bfd_elf_link_record_dynamic_symbol (info, h)) | |
2487 | return FALSE; | |
2488 | } | |
2489 | } | |
73589c9d CS |
2490 | } |
2491 | else | |
2492 | { | |
2493 | /* For the non-shared case, discard space for relocs against | |
07d6d2b8 AM |
2494 | symbols which turn out to need copy relocs or are not |
2495 | dynamic. */ | |
73589c9d CS |
2496 | |
2497 | if (!h->non_got_ref | |
07d6d2b8 AM |
2498 | && ((h->def_dynamic |
2499 | && !h->def_regular) | |
2500 | || (htab->root.dynamic_sections_created | |
2501 | && (h->root.type == bfd_link_hash_undefweak | |
2502 | || h->root.type == bfd_link_hash_undefined)))) | |
2503 | { | |
2504 | /* Make sure this symbol is output as a dynamic symbol. | |
2505 | Undefined weak syms won't yet be marked as dynamic. */ | |
2506 | if (h->dynindx == -1 | |
2507 | && !h->forced_local) | |
2508 | { | |
2509 | if (! bfd_elf_link_record_dynamic_symbol (info, h)) | |
2510 | return FALSE; | |
2511 | } | |
2512 | ||
2513 | /* If that succeeded, we know we'll be keeping all the | |
2514 | relocs. */ | |
2515 | if (h->dynindx != -1) | |
2516 | goto keep; | |
2517 | } | |
73589c9d CS |
2518 | |
2519 | eh->dyn_relocs = NULL; | |
2520 | ||
2521 | keep: ; | |
2522 | } | |
2523 | ||
2524 | /* Finally, allocate space. */ | |
2525 | for (p = eh->dyn_relocs; p != NULL; p = p->next) | |
2526 | { | |
2527 | asection *sreloc = elf_section_data (p->sec)->sreloc; | |
2528 | sreloc->size += p->count * sizeof (Elf32_External_Rela); | |
2529 | } | |
2530 | ||
2531 | return TRUE; | |
2532 | } | |
2533 | ||
63c1f59d AM |
2534 | /* Set DF_TEXTREL if we find any dynamic relocs that apply to |
2535 | read-only sections. */ | |
73589c9d CS |
2536 | |
2537 | static bfd_boolean | |
63c1f59d | 2538 | maybe_set_textrel (struct elf_link_hash_entry *h, void *info_p) |
73589c9d | 2539 | { |
63c1f59d | 2540 | asection *sec; |
73589c9d | 2541 | |
63c1f59d AM |
2542 | if (h->root.type == bfd_link_hash_indirect) |
2543 | return TRUE; | |
73589c9d | 2544 | |
63c1f59d AM |
2545 | sec = readonly_dynrelocs (h); |
2546 | if (sec != NULL) | |
2547 | { | |
2548 | struct bfd_link_info *info = (struct bfd_link_info *) info_p; | |
73589c9d | 2549 | |
63c1f59d AM |
2550 | info->flags |= DF_TEXTREL; |
2551 | info->callbacks->minfo | |
c1c8c1ef | 2552 | (_("%pB: dynamic relocation against `%pT' in read-only section `%pA'\n"), |
63c1f59d | 2553 | sec->owner, h->root.root.string, sec); |
73589c9d | 2554 | |
63c1f59d AM |
2555 | /* Not an error, just cut short the traversal. */ |
2556 | return FALSE; | |
73589c9d CS |
2557 | } |
2558 | return TRUE; | |
2559 | } | |
2560 | ||
2561 | /* Set the sizes of the dynamic sections. */ | |
2562 | ||
2563 | static bfd_boolean | |
2564 | or1k_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED, | |
07d6d2b8 | 2565 | struct bfd_link_info *info) |
73589c9d CS |
2566 | { |
2567 | struct elf_or1k_link_hash_table *htab; | |
2568 | bfd *dynobj; | |
2569 | asection *s; | |
2570 | bfd_boolean relocs; | |
2571 | bfd *ibfd; | |
2572 | ||
2573 | htab = or1k_elf_hash_table (info); | |
2574 | if (htab == NULL) | |
2575 | return FALSE; | |
2576 | ||
2577 | dynobj = htab->root.dynobj; | |
2578 | BFD_ASSERT (dynobj != NULL); | |
2579 | ||
2580 | if (htab->root.dynamic_sections_created) | |
2581 | { | |
2582 | /* Set the contents of the .interp section to the interpreter. */ | |
9b8b325a | 2583 | if (bfd_link_executable (info) && !info->nointerp) |
07d6d2b8 AM |
2584 | { |
2585 | s = bfd_get_section_by_name (dynobj, ".interp"); | |
2586 | BFD_ASSERT (s != NULL); | |
2587 | s->size = sizeof ELF_DYNAMIC_INTERPRETER; | |
2588 | s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER; | |
2589 | } | |
73589c9d CS |
2590 | } |
2591 | ||
2592 | /* Set up .got offsets for local syms, and space for local dynamic | |
2593 | relocs. */ | |
c72f2fb2 | 2594 | for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next) |
73589c9d CS |
2595 | { |
2596 | bfd_signed_vma *local_got; | |
2597 | bfd_signed_vma *end_local_got; | |
2598 | bfd_size_type locsymcount; | |
2599 | Elf_Internal_Shdr *symtab_hdr; | |
2600 | unsigned char *local_tls_type; | |
2601 | asection *srel; | |
2602 | ||
2603 | if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour) | |
07d6d2b8 | 2604 | continue; |
73589c9d CS |
2605 | |
2606 | for (s = ibfd->sections; s != NULL; s = s->next) | |
07d6d2b8 AM |
2607 | { |
2608 | struct elf_dyn_relocs *p; | |
2609 | ||
2610 | for (p = ((struct elf_dyn_relocs *) | |
2611 | elf_section_data (s)->local_dynrel); | |
2612 | p != NULL; | |
2613 | p = p->next) | |
2614 | { | |
2615 | if (! bfd_is_abs_section (p->sec) | |
2616 | && bfd_is_abs_section (p->sec->output_section)) | |
2617 | { | |
2618 | /* Input section has been discarded, either because | |
2619 | it is a copy of a linkonce section or due to | |
2620 | linker script /DISCARD/, so we'll be discarding | |
2621 | the relocs too. */ | |
2622 | } | |
2623 | else if (p->count != 0) | |
2624 | { | |
2625 | srel = elf_section_data (p->sec)->sreloc; | |
2626 | srel->size += p->count * sizeof (Elf32_External_Rela); | |
2627 | if ((p->sec->output_section->flags & SEC_READONLY) != 0) | |
2628 | info->flags |= DF_TEXTREL; | |
2629 | } | |
2630 | } | |
2631 | } | |
73589c9d CS |
2632 | |
2633 | local_got = elf_local_got_refcounts (ibfd); | |
2634 | if (!local_got) | |
07d6d2b8 | 2635 | continue; |
73589c9d CS |
2636 | |
2637 | symtab_hdr = &elf_tdata (ibfd)->symtab_hdr; | |
2638 | locsymcount = symtab_hdr->sh_info; | |
2639 | end_local_got = local_got + locsymcount; | |
ce558b89 AM |
2640 | s = htab->root.sgot; |
2641 | srel = htab->root.srelgot; | |
73589c9d CS |
2642 | local_tls_type = (unsigned char *) elf_or1k_local_tls_type (ibfd); |
2643 | for (; local_got < end_local_got; ++local_got) | |
07d6d2b8 AM |
2644 | { |
2645 | if (*local_got > 0) | |
2646 | { | |
2647 | *local_got = s->size; | |
2648 | ||
2649 | /* TLS GD requires two GOT and two relocs. */ | |
2650 | if (local_tls_type != NULL && *local_tls_type == TLS_GD) | |
2651 | s->size += 8; | |
2652 | else | |
2653 | s->size += 4; | |
2654 | if (bfd_link_pic (info)) | |
2655 | { | |
2656 | if (local_tls_type != NULL && *local_tls_type == TLS_GD) | |
2657 | srel->size += 2 * sizeof (Elf32_External_Rela); | |
2658 | else | |
2659 | srel->size += sizeof (Elf32_External_Rela); | |
2660 | } | |
2661 | } | |
2662 | else | |
2663 | ||
2664 | *local_got = (bfd_vma) -1; | |
2665 | ||
2666 | if (local_tls_type) | |
2667 | ++local_tls_type; | |
2668 | } | |
73589c9d CS |
2669 | } |
2670 | ||
2671 | /* Allocate global sym .plt and .got entries, and space for global | |
2672 | sym dynamic relocs. */ | |
2673 | elf_link_hash_traverse (&htab->root, allocate_dynrelocs, info); | |
2674 | ||
2675 | /* We now have determined the sizes of the various dynamic sections. | |
2676 | Allocate memory for them. */ | |
2677 | relocs = FALSE; | |
2678 | for (s = dynobj->sections; s != NULL; s = s->next) | |
2679 | { | |
2680 | if ((s->flags & SEC_LINKER_CREATED) == 0) | |
07d6d2b8 | 2681 | continue; |
73589c9d | 2682 | |
ce558b89 | 2683 | if (s == htab->root.splt |
07d6d2b8 AM |
2684 | || s == htab->root.sgot |
2685 | || s == htab->root.sgotplt | |
5474d94f AM |
2686 | || s == htab->root.sdynbss |
2687 | || s == htab->root.sdynrelro) | |
07d6d2b8 AM |
2688 | { |
2689 | /* Strip this section if we don't need it; see the | |
2690 | comment below. */ | |
2691 | } | |
73589c9d | 2692 | else if (CONST_STRNEQ (bfd_get_section_name (dynobj, s), ".rela")) |
07d6d2b8 AM |
2693 | { |
2694 | if (s->size != 0 && s != htab->root.srelplt) | |
2695 | relocs = TRUE; | |
2696 | ||
2697 | /* We use the reloc_count field as a counter if we need | |
2698 | to copy relocs into the output file. */ | |
2699 | s->reloc_count = 0; | |
2700 | } | |
73589c9d | 2701 | else |
07d6d2b8 AM |
2702 | /* It's not one of our sections, so don't allocate space. */ |
2703 | continue; | |
73589c9d CS |
2704 | |
2705 | if (s->size == 0) | |
07d6d2b8 AM |
2706 | { |
2707 | /* If we don't need this section, strip it from the | |
2708 | output file. This is mostly to handle .rela.bss and | |
2709 | .rela.plt. We must create both sections in | |
2710 | create_dynamic_sections, because they must be created | |
2711 | before the linker maps input sections to output | |
2712 | sections. The linker does that before | |
2713 | adjust_dynamic_symbol is called, and it is that | |
2714 | function which decides whether anything needs to go | |
2715 | into these sections. */ | |
2716 | s->flags |= SEC_EXCLUDE; | |
2717 | continue; | |
2718 | } | |
73589c9d CS |
2719 | |
2720 | if ((s->flags & SEC_HAS_CONTENTS) == 0) | |
07d6d2b8 | 2721 | continue; |
73589c9d CS |
2722 | |
2723 | /* Allocate memory for the section contents. We use bfd_zalloc | |
07d6d2b8 AM |
2724 | here in case unused entries are not reclaimed before the |
2725 | section's contents are written out. This should not happen, | |
2726 | but this way if it does, we get a R_OR1K_NONE reloc instead | |
2727 | of garbage. */ | |
73589c9d CS |
2728 | s->contents = bfd_zalloc (dynobj, s->size); |
2729 | ||
2730 | if (s->contents == NULL) | |
07d6d2b8 | 2731 | return FALSE; |
73589c9d CS |
2732 | } |
2733 | ||
2734 | if (htab->root.dynamic_sections_created) | |
2735 | { | |
2736 | /* Add some entries to the .dynamic section. We fill in the | |
07d6d2b8 AM |
2737 | values later, in or1k_elf_finish_dynamic_sections, but we |
2738 | must add the entries now so that we get the correct size for | |
2739 | the .dynamic section. The DT_DEBUG entry is filled in by the | |
2740 | dynamic linker and used by the debugger. */ | |
73589c9d CS |
2741 | #define add_dynamic_entry(TAG, VAL) \ |
2742 | _bfd_elf_add_dynamic_entry (info, TAG, VAL) | |
2743 | ||
0e1862bb | 2744 | if (bfd_link_executable (info)) |
73589c9d | 2745 | { |
07d6d2b8 AM |
2746 | if (! add_dynamic_entry (DT_DEBUG, 0)) |
2747 | return FALSE; | |
73589c9d CS |
2748 | } |
2749 | ||
ce558b89 | 2750 | if (htab->root.splt->size != 0) |
73589c9d | 2751 | { |
07d6d2b8 AM |
2752 | if (! add_dynamic_entry (DT_PLTGOT, 0) |
2753 | || ! add_dynamic_entry (DT_PLTRELSZ, 0) | |
2754 | || ! add_dynamic_entry (DT_PLTREL, DT_RELA) | |
2755 | || ! add_dynamic_entry (DT_JMPREL, 0)) | |
2756 | return FALSE; | |
2757 | } | |
73589c9d CS |
2758 | |
2759 | if (relocs) | |
2760 | { | |
07d6d2b8 AM |
2761 | if (! add_dynamic_entry (DT_RELA, 0) |
2762 | || ! add_dynamic_entry (DT_RELASZ, 0) | |
2763 | || ! add_dynamic_entry (DT_RELAENT, | |
2764 | sizeof (Elf32_External_Rela))) | |
2765 | return FALSE; | |
2766 | ||
2767 | /* If any dynamic relocs apply to a read-only section, | |
2768 | then we need a DT_TEXTREL entry. */ | |
2769 | if ((info->flags & DF_TEXTREL) == 0) | |
2770 | elf_link_hash_traverse (&htab->root, maybe_set_textrel, info); | |
2771 | ||
2772 | if ((info->flags & DF_TEXTREL) != 0) | |
2773 | { | |
2774 | if (! add_dynamic_entry (DT_TEXTREL, 0)) | |
2775 | return FALSE; | |
2776 | } | |
73589c9d CS |
2777 | } |
2778 | } | |
2779 | ||
2780 | #undef add_dynamic_entry | |
2781 | return TRUE; | |
2782 | } | |
2783 | ||
73589c9d CS |
2784 | /* Copy the extra info we tack onto an elf_link_hash_entry. */ |
2785 | ||
2786 | static void | |
2787 | or1k_elf_copy_indirect_symbol (struct bfd_link_info *info, | |
07d6d2b8 AM |
2788 | struct elf_link_hash_entry *dir, |
2789 | struct elf_link_hash_entry *ind) | |
73589c9d CS |
2790 | { |
2791 | struct elf_or1k_link_hash_entry * edir; | |
2792 | struct elf_or1k_link_hash_entry * eind; | |
2793 | ||
2794 | edir = (struct elf_or1k_link_hash_entry *) dir; | |
2795 | eind = (struct elf_or1k_link_hash_entry *) ind; | |
2796 | ||
2797 | if (eind->dyn_relocs != NULL) | |
2798 | { | |
2799 | if (edir->dyn_relocs != NULL) | |
07d6d2b8 AM |
2800 | { |
2801 | struct elf_dyn_relocs **pp; | |
2802 | struct elf_dyn_relocs *p; | |
2803 | ||
2804 | /* Add reloc counts against the indirect sym to the direct sym | |
2805 | list. Merge any entries against the same section. */ | |
2806 | for (pp = &eind->dyn_relocs; (p = *pp) != NULL;) | |
2807 | { | |
2808 | struct elf_dyn_relocs *q; | |
2809 | ||
2810 | for (q = edir->dyn_relocs; q != NULL; q = q->next) | |
2811 | if (q->sec == p->sec) | |
2812 | { | |
2813 | q->pc_count += p->pc_count; | |
2814 | q->count += p->count; | |
2815 | *pp = p->next; | |
2816 | break; | |
2817 | } | |
2818 | if (q == NULL) | |
2819 | pp = &p->next; | |
2820 | } | |
2821 | *pp = edir->dyn_relocs; | |
2822 | } | |
73589c9d CS |
2823 | |
2824 | edir->dyn_relocs = eind->dyn_relocs; | |
2825 | eind->dyn_relocs = NULL; | |
2826 | } | |
2827 | ||
2828 | if (ind->root.type == bfd_link_hash_indirect) | |
2829 | { | |
2830 | if (dir->got.refcount <= 0) | |
07d6d2b8 AM |
2831 | { |
2832 | edir->tls_type = eind->tls_type; | |
2833 | eind->tls_type = TLS_UNKNOWN; | |
2834 | } | |
73589c9d CS |
2835 | } |
2836 | ||
2837 | _bfd_elf_link_hash_copy_indirect (info, dir, ind); | |
2838 | } | |
2839 | ||
2840 | /* Set the right machine number. */ | |
2841 | ||
2842 | static bfd_boolean | |
2843 | or1k_elf_object_p (bfd *abfd) | |
2844 | { | |
2845 | unsigned long mach = bfd_mach_or1k; | |
2846 | ||
2847 | if (elf_elfheader (abfd)->e_flags & EF_OR1K_NODELAY) | |
2848 | mach = bfd_mach_or1knd; | |
2849 | ||
2850 | return bfd_default_set_arch_mach (abfd, bfd_arch_or1k, mach); | |
2851 | } | |
2852 | ||
2853 | /* Store the machine number in the flags field. */ | |
2854 | ||
2855 | static void | |
2856 | or1k_elf_final_write_processing (bfd *abfd, | |
2857 | bfd_boolean linker ATTRIBUTE_UNUSED) | |
2858 | { | |
2859 | switch (bfd_get_mach (abfd)) | |
2860 | { | |
2861 | default: | |
2862 | case bfd_mach_or1k: | |
2863 | break; | |
2864 | case bfd_mach_or1knd: | |
2865 | elf_elfheader (abfd)->e_flags |= EF_OR1K_NODELAY; | |
2866 | break; | |
2867 | } | |
2868 | } | |
2869 | ||
2870 | static bfd_boolean | |
2871 | or1k_elf_set_private_flags (bfd *abfd, flagword flags) | |
2872 | { | |
2873 | BFD_ASSERT (!elf_flags_init (abfd) | |
07d6d2b8 | 2874 | || elf_elfheader (abfd)->e_flags == flags); |
73589c9d CS |
2875 | |
2876 | elf_elfheader (abfd)->e_flags = flags; | |
2877 | elf_flags_init (abfd) = TRUE; | |
2878 | return TRUE; | |
2879 | } | |
2880 | ||
2881 | /* Make sure all input files are consistent with respect to | |
2882 | EF_OR1K_NODELAY flag setting. */ | |
2883 | ||
2884 | static bfd_boolean | |
50e03d47 | 2885 | elf32_or1k_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info) |
73589c9d | 2886 | { |
50e03d47 | 2887 | bfd *obfd = info->output_bfd; |
73589c9d CS |
2888 | flagword out_flags; |
2889 | flagword in_flags; | |
2890 | ||
2891 | in_flags = elf_elfheader (ibfd)->e_flags; | |
2892 | out_flags = elf_elfheader (obfd)->e_flags; | |
2893 | ||
2894 | if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour | |
2895 | || bfd_get_flavour (obfd) != bfd_target_elf_flavour) | |
2896 | return TRUE; | |
2897 | ||
2898 | if (!elf_flags_init (obfd)) | |
2899 | { | |
2900 | elf_flags_init (obfd) = TRUE; | |
2901 | elf_elfheader (obfd)->e_flags = in_flags; | |
2902 | ||
2903 | return TRUE; | |
2904 | } | |
2905 | ||
2906 | if (in_flags == out_flags) | |
2907 | return TRUE; | |
2908 | ||
2909 | if ((in_flags & EF_OR1K_NODELAY) != (out_flags & EF_OR1K_NODELAY)) | |
2910 | { | |
4eca0228 | 2911 | _bfd_error_handler |
38f14ab8 AM |
2912 | (_("%pB: %s flag mismatch with previous modules"), |
2913 | ibfd, "EF_OR1K_NODELAY"); | |
73589c9d CS |
2914 | |
2915 | bfd_set_error (bfd_error_bad_value); | |
2916 | return FALSE; | |
2917 | } | |
2918 | ||
2919 | return TRUE; | |
2920 | ||
2921 | } | |
2922 | ||
07d6d2b8 AM |
2923 | #define ELF_ARCH bfd_arch_or1k |
2924 | #define ELF_MACHINE_CODE EM_OR1K | |
2925 | #define ELF_TARGET_ID OR1K_ELF_DATA | |
2926 | #define ELF_MAXPAGESIZE 0x2000 | |
73589c9d | 2927 | |
07d6d2b8 AM |
2928 | #define TARGET_BIG_SYM or1k_elf32_vec |
2929 | #define TARGET_BIG_NAME "elf32-or1k" | |
73589c9d | 2930 | |
07d6d2b8 AM |
2931 | #define elf_info_to_howto_rel NULL |
2932 | #define elf_info_to_howto or1k_info_to_howto_rela | |
2933 | #define elf_backend_relocate_section or1k_elf_relocate_section | |
2934 | #define elf_backend_gc_mark_hook or1k_elf_gc_mark_hook | |
2935 | #define elf_backend_check_relocs or1k_elf_check_relocs | |
2936 | #define elf_backend_reloc_type_class or1k_elf_reloc_type_class | |
2937 | #define elf_backend_can_gc_sections 1 | |
2938 | #define elf_backend_rela_normal 1 | |
73589c9d | 2939 | |
07d6d2b8 | 2940 | #define bfd_elf32_mkobject elf_or1k_mkobject |
73589c9d CS |
2941 | |
2942 | #define bfd_elf32_bfd_merge_private_bfd_data elf32_or1k_merge_private_bfd_data | |
2943 | #define bfd_elf32_bfd_set_private_flags or1k_elf_set_private_flags | |
2944 | #define bfd_elf32_bfd_reloc_type_lookup or1k_reloc_type_lookup | |
2945 | #define bfd_elf32_bfd_reloc_name_lookup or1k_reloc_name_lookup | |
2946 | ||
07d6d2b8 | 2947 | #define elf_backend_object_p or1k_elf_object_p |
73589c9d | 2948 | #define elf_backend_final_write_processing or1k_elf_final_write_processing |
07d6d2b8 | 2949 | #define elf_backend_can_refcount 1 |
73589c9d | 2950 | |
07d6d2b8 AM |
2951 | #define elf_backend_plt_readonly 1 |
2952 | #define elf_backend_want_got_plt 1 | |
2953 | #define elf_backend_want_plt_sym 0 | |
2954 | #define elf_backend_got_header_size 12 | |
64f52338 | 2955 | #define elf_backend_dtrel_excludes_plt 1 |
5474d94f | 2956 | #define elf_backend_want_dynrelro 1 |
64f52338 | 2957 | |
07d6d2b8 AM |
2958 | #define bfd_elf32_bfd_link_hash_table_create or1k_elf_link_hash_table_create |
2959 | #define elf_backend_copy_indirect_symbol or1k_elf_copy_indirect_symbol | |
2960 | #define elf_backend_create_dynamic_sections _bfd_elf_create_dynamic_sections | |
2961 | #define elf_backend_finish_dynamic_sections or1k_elf_finish_dynamic_sections | |
2962 | #define elf_backend_size_dynamic_sections or1k_elf_size_dynamic_sections | |
2963 | #define elf_backend_adjust_dynamic_symbol or1k_elf_adjust_dynamic_symbol | |
2964 | #define elf_backend_finish_dynamic_symbol or1k_elf_finish_dynamic_symbol | |
73589c9d CS |
2965 | |
2966 | #include "elf32-target.h" |