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252b5132 | 1 | /* 32-bit ELF support for ARM new abi option. |
acf8aed4 | 2 | Copyright 1999, 2000, 2001, 2002 Free Software Foundation, Inc. |
252b5132 RH |
3 | |
4 | This file is part of BFD, the Binary File Descriptor library. | |
5 | ||
6 | This program is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 2 of the License, or | |
9 | (at your option) any later version. | |
10 | ||
11 | This program is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with this program; if not, write to the Free Software | |
18 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
19 | ||
20 | #include "elf/arm.h" | |
21 | #include "bfd.h" | |
22 | #include "sysdep.h" | |
23 | #include "libbfd.h" | |
24 | #include "elf-bfd.h" | |
25 | ||
26 | #ifndef NUM_ELEM | |
27 | #define NUM_ELEM(a) (sizeof (a) / (sizeof (a)[0])) | |
28 | #endif | |
29 | ||
acf8aed4 | 30 | #define USE_REL 1 |
252b5132 | 31 | |
252b5132 | 32 | #define elf_info_to_howto 0 |
ba96a88f | 33 | #define elf_info_to_howto_rel elf32_arm_info_to_howto |
252b5132 | 34 | |
ba96a88f NC |
35 | #define ARM_ELF_ABI_VERSION 0 |
36 | #define ARM_ELF_OS_ABI_VERSION ELFOSABI_ARM | |
252b5132 RH |
37 | |
38 | static reloc_howto_type * elf32_arm_reloc_type_lookup | |
39 | PARAMS ((bfd * abfd, bfd_reloc_code_real_type code)); | |
b34976b6 | 40 | static bfd_boolean elf32_arm_nabi_grok_prstatus |
2e67030c | 41 | PARAMS ((bfd *abfd, Elf_Internal_Note *note)); |
b34976b6 | 42 | static bfd_boolean elf32_arm_nabi_grok_psinfo |
2e67030c | 43 | PARAMS ((bfd *abfd, Elf_Internal_Note *note)); |
252b5132 | 44 | |
dfc5f959 | 45 | /* Note: code such as elf32_arm_reloc_type_lookup expect to use e.g. |
3e932841 KH |
46 | R_ARM_PC24 as an index into this, and find the R_ARM_PC24 HOWTO |
47 | in that slot. */ | |
dfc5f959 | 48 | |
252b5132 RH |
49 | static reloc_howto_type elf32_arm_howto_table[] = |
50 | { | |
51 | /* No relocation */ | |
52 | HOWTO (R_ARM_NONE, /* type */ | |
53 | 0, /* rightshift */ | |
54 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
55 | 0, /* bitsize */ | |
b34976b6 | 56 | FALSE, /* pc_relative */ |
252b5132 RH |
57 | 0, /* bitpos */ |
58 | complain_overflow_dont,/* complain_on_overflow */ | |
59 | bfd_elf_generic_reloc, /* special_function */ | |
60 | "R_ARM_NONE", /* name */ | |
b34976b6 | 61 | FALSE, /* partial_inplace */ |
252b5132 RH |
62 | 0, /* src_mask */ |
63 | 0, /* dst_mask */ | |
b34976b6 | 64 | FALSE), /* pcrel_offset */ |
252b5132 RH |
65 | |
66 | HOWTO (R_ARM_PC24, /* type */ | |
67 | 2, /* rightshift */ | |
68 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
69 | 24, /* bitsize */ | |
b34976b6 | 70 | TRUE, /* pc_relative */ |
252b5132 RH |
71 | 0, /* bitpos */ |
72 | complain_overflow_signed,/* complain_on_overflow */ | |
73 | bfd_elf_generic_reloc, /* special_function */ | |
74 | "R_ARM_PC24", /* name */ | |
b34976b6 | 75 | FALSE, /* partial_inplace */ |
252b5132 RH |
76 | 0x00ffffff, /* src_mask */ |
77 | 0x00ffffff, /* dst_mask */ | |
b34976b6 | 78 | TRUE), /* pcrel_offset */ |
252b5132 RH |
79 | |
80 | /* 32 bit absolute */ | |
81 | HOWTO (R_ARM_ABS32, /* type */ | |
82 | 0, /* rightshift */ | |
83 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
84 | 32, /* bitsize */ | |
b34976b6 | 85 | FALSE, /* pc_relative */ |
252b5132 RH |
86 | 0, /* bitpos */ |
87 | complain_overflow_bitfield,/* complain_on_overflow */ | |
88 | bfd_elf_generic_reloc, /* special_function */ | |
89 | "R_ARM_ABS32", /* name */ | |
b34976b6 | 90 | FALSE, /* partial_inplace */ |
252b5132 RH |
91 | 0xffffffff, /* src_mask */ |
92 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 93 | FALSE), /* pcrel_offset */ |
252b5132 RH |
94 | |
95 | /* standard 32bit pc-relative reloc */ | |
96 | HOWTO (R_ARM_REL32, /* type */ | |
97 | 0, /* rightshift */ | |
98 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
99 | 32, /* bitsize */ | |
b34976b6 | 100 | TRUE, /* pc_relative */ |
252b5132 RH |
101 | 0, /* bitpos */ |
102 | complain_overflow_bitfield,/* complain_on_overflow */ | |
103 | bfd_elf_generic_reloc, /* special_function */ | |
104 | "R_ARM_REL32", /* name */ | |
b34976b6 | 105 | FALSE, /* partial_inplace */ |
252b5132 RH |
106 | 0xffffffff, /* src_mask */ |
107 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 108 | TRUE), /* pcrel_offset */ |
252b5132 RH |
109 | |
110 | /* 8 bit absolute */ | |
111 | HOWTO (R_ARM_PC13, /* type */ | |
112 | 0, /* rightshift */ | |
113 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
114 | 8, /* bitsize */ | |
b34976b6 | 115 | FALSE, /* pc_relative */ |
252b5132 RH |
116 | 0, /* bitpos */ |
117 | complain_overflow_bitfield,/* complain_on_overflow */ | |
118 | bfd_elf_generic_reloc, /* special_function */ | |
119 | "R_ARM_PC13", /* name */ | |
b34976b6 | 120 | FALSE, /* partial_inplace */ |
252b5132 RH |
121 | 0x000000ff, /* src_mask */ |
122 | 0x000000ff, /* dst_mask */ | |
b34976b6 | 123 | FALSE), /* pcrel_offset */ |
252b5132 RH |
124 | |
125 | /* 16 bit absolute */ | |
126 | HOWTO (R_ARM_ABS16, /* type */ | |
127 | 0, /* rightshift */ | |
128 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
129 | 16, /* bitsize */ | |
b34976b6 | 130 | FALSE, /* pc_relative */ |
252b5132 RH |
131 | 0, /* bitpos */ |
132 | complain_overflow_bitfield,/* complain_on_overflow */ | |
133 | bfd_elf_generic_reloc, /* special_function */ | |
134 | "R_ARM_ABS16", /* name */ | |
b34976b6 | 135 | FALSE, /* partial_inplace */ |
8d0da3c2 DD |
136 | 0x0000ffff, /* src_mask */ |
137 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 138 | FALSE), /* pcrel_offset */ |
252b5132 RH |
139 | |
140 | /* 12 bit absolute */ | |
141 | HOWTO (R_ARM_ABS12, /* type */ | |
142 | 0, /* rightshift */ | |
143 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
144 | 12, /* bitsize */ | |
b34976b6 | 145 | FALSE, /* pc_relative */ |
252b5132 RH |
146 | 0, /* bitpos */ |
147 | complain_overflow_bitfield,/* complain_on_overflow */ | |
148 | bfd_elf_generic_reloc, /* special_function */ | |
149 | "R_ARM_ABS12", /* name */ | |
b34976b6 | 150 | FALSE, /* partial_inplace */ |
252b5132 RH |
151 | 0x000008ff, /* src_mask */ |
152 | 0x000008ff, /* dst_mask */ | |
b34976b6 | 153 | FALSE), /* pcrel_offset */ |
252b5132 RH |
154 | |
155 | HOWTO (R_ARM_THM_ABS5, /* type */ | |
156 | 6, /* rightshift */ | |
157 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
158 | 5, /* bitsize */ | |
b34976b6 | 159 | FALSE, /* pc_relative */ |
252b5132 RH |
160 | 0, /* bitpos */ |
161 | complain_overflow_bitfield,/* complain_on_overflow */ | |
162 | bfd_elf_generic_reloc, /* special_function */ | |
163 | "R_ARM_THM_ABS5", /* name */ | |
b34976b6 | 164 | FALSE, /* partial_inplace */ |
252b5132 RH |
165 | 0x000007e0, /* src_mask */ |
166 | 0x000007e0, /* dst_mask */ | |
b34976b6 | 167 | FALSE), /* pcrel_offset */ |
252b5132 RH |
168 | |
169 | /* 8 bit absolute */ | |
170 | HOWTO (R_ARM_ABS8, /* type */ | |
171 | 0, /* rightshift */ | |
172 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
173 | 8, /* bitsize */ | |
b34976b6 | 174 | FALSE, /* pc_relative */ |
252b5132 RH |
175 | 0, /* bitpos */ |
176 | complain_overflow_bitfield,/* complain_on_overflow */ | |
177 | bfd_elf_generic_reloc, /* special_function */ | |
178 | "R_ARM_ABS8", /* name */ | |
b34976b6 | 179 | FALSE, /* partial_inplace */ |
252b5132 RH |
180 | 0x000000ff, /* src_mask */ |
181 | 0x000000ff, /* dst_mask */ | |
b34976b6 | 182 | FALSE), /* pcrel_offset */ |
252b5132 RH |
183 | |
184 | HOWTO (R_ARM_SBREL32, /* type */ | |
185 | 0, /* rightshift */ | |
db6579d4 PB |
186 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
187 | 32, /* bitsize */ | |
b34976b6 | 188 | FALSE, /* pc_relative */ |
252b5132 RH |
189 | 0, /* bitpos */ |
190 | complain_overflow_dont,/* complain_on_overflow */ | |
191 | bfd_elf_generic_reloc, /* special_function */ | |
192 | "R_ARM_SBREL32", /* name */ | |
b34976b6 | 193 | FALSE, /* partial_inplace */ |
db6579d4 PB |
194 | 0xffffffff, /* src_mask */ |
195 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 196 | FALSE), /* pcrel_offset */ |
252b5132 RH |
197 | |
198 | HOWTO (R_ARM_THM_PC22, /* type */ | |
199 | 1, /* rightshift */ | |
200 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
201 | 23, /* bitsize */ | |
b34976b6 | 202 | TRUE, /* pc_relative */ |
252b5132 RH |
203 | 0, /* bitpos */ |
204 | complain_overflow_signed,/* complain_on_overflow */ | |
205 | bfd_elf_generic_reloc, /* special_function */ | |
206 | "R_ARM_THM_PC22", /* name */ | |
b34976b6 | 207 | FALSE, /* partial_inplace */ |
252b5132 RH |
208 | 0x07ff07ff, /* src_mask */ |
209 | 0x07ff07ff, /* dst_mask */ | |
b34976b6 | 210 | TRUE), /* pcrel_offset */ |
252b5132 RH |
211 | |
212 | HOWTO (R_ARM_THM_PC8, /* type */ | |
213 | 1, /* rightshift */ | |
214 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
215 | 8, /* bitsize */ | |
b34976b6 | 216 | TRUE, /* pc_relative */ |
252b5132 RH |
217 | 0, /* bitpos */ |
218 | complain_overflow_signed,/* complain_on_overflow */ | |
219 | bfd_elf_generic_reloc, /* special_function */ | |
220 | "R_ARM_THM_PC8", /* name */ | |
b34976b6 | 221 | FALSE, /* partial_inplace */ |
252b5132 RH |
222 | 0x000000ff, /* src_mask */ |
223 | 0x000000ff, /* dst_mask */ | |
b34976b6 | 224 | TRUE), /* pcrel_offset */ |
252b5132 RH |
225 | |
226 | HOWTO (R_ARM_AMP_VCALL9, /* type */ | |
227 | 1, /* rightshift */ | |
228 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
229 | 8, /* bitsize */ | |
b34976b6 | 230 | TRUE, /* pc_relative */ |
252b5132 RH |
231 | 0, /* bitpos */ |
232 | complain_overflow_signed,/* complain_on_overflow */ | |
233 | bfd_elf_generic_reloc, /* special_function */ | |
234 | "R_ARM_AMP_VCALL9", /* name */ | |
b34976b6 | 235 | FALSE, /* partial_inplace */ |
252b5132 RH |
236 | 0x000000ff, /* src_mask */ |
237 | 0x000000ff, /* dst_mask */ | |
b34976b6 | 238 | TRUE), /* pcrel_offset */ |
252b5132 RH |
239 | |
240 | HOWTO (R_ARM_SWI24, /* type */ | |
241 | 0, /* rightshift */ | |
242 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
243 | 0, /* bitsize */ | |
b34976b6 | 244 | FALSE, /* pc_relative */ |
252b5132 RH |
245 | 0, /* bitpos */ |
246 | complain_overflow_signed,/* complain_on_overflow */ | |
247 | bfd_elf_generic_reloc, /* special_function */ | |
248 | "R_ARM_SWI24", /* name */ | |
b34976b6 | 249 | FALSE, /* partial_inplace */ |
252b5132 RH |
250 | 0x00000000, /* src_mask */ |
251 | 0x00000000, /* dst_mask */ | |
b34976b6 | 252 | FALSE), /* pcrel_offset */ |
252b5132 RH |
253 | |
254 | HOWTO (R_ARM_THM_SWI8, /* type */ | |
255 | 0, /* rightshift */ | |
256 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
257 | 0, /* bitsize */ | |
b34976b6 | 258 | FALSE, /* pc_relative */ |
252b5132 RH |
259 | 0, /* bitpos */ |
260 | complain_overflow_signed,/* complain_on_overflow */ | |
261 | bfd_elf_generic_reloc, /* special_function */ | |
262 | "R_ARM_SWI8", /* name */ | |
b34976b6 | 263 | FALSE, /* partial_inplace */ |
252b5132 RH |
264 | 0x00000000, /* src_mask */ |
265 | 0x00000000, /* dst_mask */ | |
b34976b6 | 266 | FALSE), /* pcrel_offset */ |
252b5132 | 267 | |
dfc5f959 | 268 | /* BLX instruction for the ARM. */ |
252b5132 | 269 | HOWTO (R_ARM_XPC25, /* type */ |
dfc5f959 NC |
270 | 2, /* rightshift */ |
271 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
272 | 25, /* bitsize */ | |
b34976b6 | 273 | TRUE, /* pc_relative */ |
252b5132 RH |
274 | 0, /* bitpos */ |
275 | complain_overflow_signed,/* complain_on_overflow */ | |
276 | bfd_elf_generic_reloc, /* special_function */ | |
277 | "R_ARM_XPC25", /* name */ | |
b34976b6 | 278 | FALSE, /* partial_inplace */ |
dfc5f959 NC |
279 | 0x00ffffff, /* src_mask */ |
280 | 0x00ffffff, /* dst_mask */ | |
b34976b6 | 281 | TRUE), /* pcrel_offset */ |
3e932841 | 282 | |
dfc5f959 | 283 | /* BLX instruction for the Thumb. */ |
252b5132 | 284 | HOWTO (R_ARM_THM_XPC22, /* type */ |
dfc5f959 NC |
285 | 2, /* rightshift */ |
286 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
287 | 22, /* bitsize */ | |
b34976b6 | 288 | TRUE, /* pc_relative */ |
252b5132 RH |
289 | 0, /* bitpos */ |
290 | complain_overflow_signed,/* complain_on_overflow */ | |
291 | bfd_elf_generic_reloc, /* special_function */ | |
292 | "R_ARM_THM_XPC22", /* name */ | |
b34976b6 | 293 | FALSE, /* partial_inplace */ |
dfc5f959 NC |
294 | 0x07ff07ff, /* src_mask */ |
295 | 0x07ff07ff, /* dst_mask */ | |
b34976b6 | 296 | TRUE), /* pcrel_offset */ |
3e932841 | 297 | |
252b5132 RH |
298 | /* These next three relocs are not defined, but we need to fill the space. */ |
299 | ||
300 | HOWTO (R_ARM_NONE, /* type */ | |
301 | 0, /* rightshift */ | |
302 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
303 | 0, /* bitsize */ | |
b34976b6 | 304 | FALSE, /* pc_relative */ |
252b5132 RH |
305 | 0, /* bitpos */ |
306 | complain_overflow_dont,/* complain_on_overflow */ | |
307 | bfd_elf_generic_reloc, /* special_function */ | |
308 | "R_ARM_unknown_17", /* name */ | |
b34976b6 | 309 | FALSE, /* partial_inplace */ |
252b5132 RH |
310 | 0, /* src_mask */ |
311 | 0, /* dst_mask */ | |
b34976b6 | 312 | FALSE), /* pcrel_offset */ |
252b5132 RH |
313 | |
314 | HOWTO (R_ARM_NONE, /* type */ | |
315 | 0, /* rightshift */ | |
316 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
317 | 0, /* bitsize */ | |
b34976b6 | 318 | FALSE, /* pc_relative */ |
252b5132 RH |
319 | 0, /* bitpos */ |
320 | complain_overflow_dont,/* complain_on_overflow */ | |
321 | bfd_elf_generic_reloc, /* special_function */ | |
322 | "R_ARM_unknown_18", /* name */ | |
b34976b6 | 323 | FALSE, /* partial_inplace */ |
252b5132 RH |
324 | 0, /* src_mask */ |
325 | 0, /* dst_mask */ | |
b34976b6 | 326 | FALSE), /* pcrel_offset */ |
252b5132 RH |
327 | |
328 | HOWTO (R_ARM_NONE, /* type */ | |
329 | 0, /* rightshift */ | |
330 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
331 | 0, /* bitsize */ | |
b34976b6 | 332 | FALSE, /* pc_relative */ |
252b5132 RH |
333 | 0, /* bitpos */ |
334 | complain_overflow_dont,/* complain_on_overflow */ | |
335 | bfd_elf_generic_reloc, /* special_function */ | |
336 | "R_ARM_unknown_19", /* name */ | |
b34976b6 | 337 | FALSE, /* partial_inplace */ |
252b5132 RH |
338 | 0, /* src_mask */ |
339 | 0, /* dst_mask */ | |
b34976b6 | 340 | FALSE), /* pcrel_offset */ |
252b5132 RH |
341 | |
342 | /* Relocs used in ARM Linux */ | |
3e932841 | 343 | |
252b5132 RH |
344 | HOWTO (R_ARM_COPY, /* type */ |
345 | 0, /* rightshift */ | |
346 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
347 | 32, /* bitsize */ | |
b34976b6 | 348 | FALSE, /* pc_relative */ |
252b5132 RH |
349 | 0, /* bitpos */ |
350 | complain_overflow_bitfield,/* complain_on_overflow */ | |
351 | bfd_elf_generic_reloc, /* special_function */ | |
352 | "R_ARM_COPY", /* name */ | |
b34976b6 | 353 | TRUE, /* partial_inplace */ |
252b5132 RH |
354 | 0xffffffff, /* src_mask */ |
355 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 356 | FALSE), /* pcrel_offset */ |
252b5132 RH |
357 | |
358 | HOWTO (R_ARM_GLOB_DAT, /* type */ | |
359 | 0, /* rightshift */ | |
360 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
361 | 32, /* bitsize */ | |
b34976b6 | 362 | FALSE, /* pc_relative */ |
252b5132 RH |
363 | 0, /* bitpos */ |
364 | complain_overflow_bitfield,/* complain_on_overflow */ | |
365 | bfd_elf_generic_reloc, /* special_function */ | |
366 | "R_ARM_GLOB_DAT", /* name */ | |
b34976b6 | 367 | TRUE, /* partial_inplace */ |
252b5132 RH |
368 | 0xffffffff, /* src_mask */ |
369 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 370 | FALSE), /* pcrel_offset */ |
3e932841 | 371 | |
252b5132 RH |
372 | HOWTO (R_ARM_JUMP_SLOT, /* type */ |
373 | 0, /* rightshift */ | |
374 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
375 | 32, /* bitsize */ | |
b34976b6 | 376 | FALSE, /* pc_relative */ |
252b5132 RH |
377 | 0, /* bitpos */ |
378 | complain_overflow_bitfield,/* complain_on_overflow */ | |
379 | bfd_elf_generic_reloc, /* special_function */ | |
380 | "R_ARM_JUMP_SLOT", /* name */ | |
b34976b6 | 381 | TRUE, /* partial_inplace */ |
252b5132 RH |
382 | 0xffffffff, /* src_mask */ |
383 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 384 | FALSE), /* pcrel_offset */ |
3e932841 | 385 | |
252b5132 RH |
386 | HOWTO (R_ARM_RELATIVE, /* type */ |
387 | 0, /* rightshift */ | |
388 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
389 | 32, /* bitsize */ | |
b34976b6 | 390 | FALSE, /* pc_relative */ |
252b5132 RH |
391 | 0, /* bitpos */ |
392 | complain_overflow_bitfield,/* complain_on_overflow */ | |
393 | bfd_elf_generic_reloc, /* special_function */ | |
394 | "R_ARM_RELATIVE", /* name */ | |
b34976b6 | 395 | TRUE, /* partial_inplace */ |
252b5132 RH |
396 | 0xffffffff, /* src_mask */ |
397 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 398 | FALSE), /* pcrel_offset */ |
3e932841 | 399 | |
252b5132 RH |
400 | HOWTO (R_ARM_GOTOFF, /* type */ |
401 | 0, /* rightshift */ | |
402 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
403 | 32, /* bitsize */ | |
b34976b6 | 404 | FALSE, /* pc_relative */ |
252b5132 RH |
405 | 0, /* bitpos */ |
406 | complain_overflow_bitfield,/* complain_on_overflow */ | |
407 | bfd_elf_generic_reloc, /* special_function */ | |
408 | "R_ARM_GOTOFF", /* name */ | |
b34976b6 | 409 | TRUE, /* partial_inplace */ |
252b5132 RH |
410 | 0xffffffff, /* src_mask */ |
411 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 412 | FALSE), /* pcrel_offset */ |
3e932841 | 413 | |
252b5132 RH |
414 | HOWTO (R_ARM_GOTPC, /* type */ |
415 | 0, /* rightshift */ | |
416 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
417 | 32, /* bitsize */ | |
b34976b6 | 418 | TRUE, /* pc_relative */ |
252b5132 RH |
419 | 0, /* bitpos */ |
420 | complain_overflow_bitfield,/* complain_on_overflow */ | |
421 | bfd_elf_generic_reloc, /* special_function */ | |
422 | "R_ARM_GOTPC", /* name */ | |
b34976b6 | 423 | TRUE, /* partial_inplace */ |
252b5132 RH |
424 | 0xffffffff, /* src_mask */ |
425 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 426 | TRUE), /* pcrel_offset */ |
3e932841 | 427 | |
252b5132 RH |
428 | HOWTO (R_ARM_GOT32, /* type */ |
429 | 0, /* rightshift */ | |
430 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
431 | 32, /* bitsize */ | |
b34976b6 | 432 | FALSE, /* pc_relative */ |
252b5132 RH |
433 | 0, /* bitpos */ |
434 | complain_overflow_bitfield,/* complain_on_overflow */ | |
435 | bfd_elf_generic_reloc, /* special_function */ | |
436 | "R_ARM_GOT32", /* name */ | |
b34976b6 | 437 | TRUE, /* partial_inplace */ |
252b5132 RH |
438 | 0xffffffff, /* src_mask */ |
439 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 440 | FALSE), /* pcrel_offset */ |
3e932841 | 441 | |
252b5132 RH |
442 | HOWTO (R_ARM_PLT32, /* type */ |
443 | 2, /* rightshift */ | |
444 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
445 | 26, /* bitsize */ | |
b34976b6 | 446 | TRUE, /* pc_relative */ |
252b5132 RH |
447 | 0, /* bitpos */ |
448 | complain_overflow_bitfield,/* complain_on_overflow */ | |
449 | bfd_elf_generic_reloc, /* special_function */ | |
450 | "R_ARM_PLT32", /* name */ | |
b34976b6 | 451 | TRUE, /* partial_inplace */ |
252b5132 RH |
452 | 0x00ffffff, /* src_mask */ |
453 | 0x00ffffff, /* dst_mask */ | |
b34976b6 | 454 | TRUE), /* pcrel_offset */ |
3e932841 | 455 | |
5b5bb741 PB |
456 | HOWTO (R_ARM_CALL, /* type */ |
457 | 2, /* rightshift */ | |
458 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
459 | 24, /* bitsize */ | |
460 | TRUE, /* pc_relative */ | |
252b5132 | 461 | 0, /* bitpos */ |
5b5bb741 | 462 | complain_overflow_signed,/* complain_on_overflow */ |
252b5132 | 463 | bfd_elf_generic_reloc, /* special_function */ |
5b5bb741 | 464 | "R_ARM_CALL", /* name */ |
b34976b6 | 465 | FALSE, /* partial_inplace */ |
5b5bb741 PB |
466 | 0x00ffffff, /* src_mask */ |
467 | 0x00ffffff, /* dst_mask */ | |
468 | TRUE), /* pcrel_offset */ | |
252b5132 | 469 | |
5b5bb741 PB |
470 | HOWTO (R_ARM_JUMP24, /* type */ |
471 | 2, /* rightshift */ | |
472 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
473 | 24, /* bitsize */ | |
474 | TRUE, /* pc_relative */ | |
252b5132 | 475 | 0, /* bitpos */ |
5b5bb741 | 476 | complain_overflow_signed,/* complain_on_overflow */ |
252b5132 | 477 | bfd_elf_generic_reloc, /* special_function */ |
5b5bb741 | 478 | "R_ARM_JUMP24", /* name */ |
b34976b6 | 479 | FALSE, /* partial_inplace */ |
5b5bb741 PB |
480 | 0x00ffffff, /* src_mask */ |
481 | 0x00ffffff, /* dst_mask */ | |
482 | TRUE), /* pcrel_offset */ | |
252b5132 | 483 | |
5b5bb741 | 484 | HOWTO (R_ARM_NONE, /* type */ |
252b5132 RH |
485 | 0, /* rightshift */ |
486 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
487 | 0, /* bitsize */ | |
b34976b6 | 488 | FALSE, /* pc_relative */ |
252b5132 RH |
489 | 0, /* bitpos */ |
490 | complain_overflow_dont,/* complain_on_overflow */ | |
491 | bfd_elf_generic_reloc, /* special_function */ | |
5b5bb741 | 492 | "R_ARM_unknown_30", /* name */ |
b34976b6 | 493 | FALSE, /* partial_inplace */ |
252b5132 RH |
494 | 0, /* src_mask */ |
495 | 0, /* dst_mask */ | |
b34976b6 | 496 | FALSE), /* pcrel_offset */ |
252b5132 | 497 | |
5b5bb741 | 498 | HOWTO (R_ARM_NONE, /* type */ |
252b5132 RH |
499 | 0, /* rightshift */ |
500 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
501 | 0, /* bitsize */ | |
b34976b6 | 502 | FALSE, /* pc_relative */ |
252b5132 RH |
503 | 0, /* bitpos */ |
504 | complain_overflow_dont,/* complain_on_overflow */ | |
505 | bfd_elf_generic_reloc, /* special_function */ | |
5b5bb741 | 506 | "R_ARM_unknown_31", /* name */ |
b34976b6 | 507 | FALSE, /* partial_inplace */ |
252b5132 RH |
508 | 0, /* src_mask */ |
509 | 0, /* dst_mask */ | |
b34976b6 | 510 | FALSE), /* pcrel_offset */ |
252b5132 | 511 | |
8375c36b PB |
512 | HOWTO (R_ARM_ALU_PCREL7_0, /* type */ |
513 | 0, /* rightshift */ | |
514 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
515 | 12, /* bitsize */ | |
516 | TRUE, /* pc_relative */ | |
517 | 0, /* bitpos */ | |
518 | complain_overflow_dont,/* complain_on_overflow */ | |
519 | bfd_elf_generic_reloc, /* special_function */ | |
520 | "R_ARM_ALU_PCREL_7_0", /* name */ | |
521 | FALSE, /* partial_inplace */ | |
522 | 0x00000fff, /* src_mask */ | |
523 | 0x00000fff, /* dst_mask */ | |
524 | TRUE), /* pcrel_offset */ | |
525 | ||
526 | HOWTO (R_ARM_ALU_PCREL15_8, /* type */ | |
527 | 0, /* rightshift */ | |
528 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
529 | 12, /* bitsize */ | |
530 | TRUE, /* pc_relative */ | |
531 | 8, /* bitpos */ | |
532 | complain_overflow_dont,/* complain_on_overflow */ | |
533 | bfd_elf_generic_reloc, /* special_function */ | |
534 | "R_ARM_ALU_PCREL_15_8",/* name */ | |
535 | FALSE, /* partial_inplace */ | |
536 | 0x00000fff, /* src_mask */ | |
537 | 0x00000fff, /* dst_mask */ | |
538 | TRUE), /* pcrel_offset */ | |
539 | ||
540 | HOWTO (R_ARM_ALU_PCREL23_15, /* type */ | |
541 | 0, /* rightshift */ | |
542 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
543 | 12, /* bitsize */ | |
544 | TRUE, /* pc_relative */ | |
545 | 16, /* bitpos */ | |
546 | complain_overflow_dont,/* complain_on_overflow */ | |
547 | bfd_elf_generic_reloc, /* special_function */ | |
548 | "R_ARM_ALU_PCREL_23_15",/* name */ | |
549 | FALSE, /* partial_inplace */ | |
550 | 0x00000fff, /* src_mask */ | |
551 | 0x00000fff, /* dst_mask */ | |
552 | TRUE), /* pcrel_offset */ | |
db6579d4 PB |
553 | |
554 | HOWTO (R_ARM_LDR_SBREL_11_0, /* type */ | |
555 | 0, /* rightshift */ | |
556 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
557 | 12, /* bitsize */ | |
558 | FALSE, /* pc_relative */ | |
559 | 0, /* bitpos */ | |
560 | complain_overflow_dont,/* complain_on_overflow */ | |
561 | bfd_elf_generic_reloc, /* special_function */ | |
562 | "R_ARM_LDR_SBREL_11_0",/* name */ | |
563 | FALSE, /* partial_inplace */ | |
564 | 0x00000fff, /* src_mask */ | |
565 | 0x00000fff, /* dst_mask */ | |
566 | FALSE), /* pcrel_offset */ | |
567 | ||
568 | HOWTO (R_ARM_ALU_SBREL_19_12, /* type */ | |
569 | 0, /* rightshift */ | |
570 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
571 | 8, /* bitsize */ | |
572 | FALSE, /* pc_relative */ | |
573 | 12, /* bitpos */ | |
574 | complain_overflow_dont,/* complain_on_overflow */ | |
575 | bfd_elf_generic_reloc, /* special_function */ | |
576 | "R_ARM_ALU_SBREL_19_12",/* name */ | |
577 | FALSE, /* partial_inplace */ | |
578 | 0x000ff000, /* src_mask */ | |
579 | 0x000ff000, /* dst_mask */ | |
580 | FALSE), /* pcrel_offset */ | |
581 | ||
582 | HOWTO (R_ARM_ALU_SBREL_27_20, /* type */ | |
583 | 0, /* rightshift */ | |
584 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
585 | 8, /* bitsize */ | |
586 | FALSE, /* pc_relative */ | |
587 | 20, /* bitpos */ | |
588 | complain_overflow_dont,/* complain_on_overflow */ | |
589 | bfd_elf_generic_reloc, /* special_function */ | |
590 | "R_ARM_ALU_SBREL_27_20",/* name */ | |
591 | FALSE, /* partial_inplace */ | |
592 | 0x0ff00000, /* src_mask */ | |
593 | 0x0ff00000, /* dst_mask */ | |
594 | FALSE), /* pcrel_offset */ | |
595 | ||
9c504268 | 596 | HOWTO (R_ARM_TARGET1, /* type */ |
db6579d4 PB |
597 | 0, /* rightshift */ |
598 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
599 | 32, /* bitsize */ | |
600 | FALSE, /* pc_relative */ | |
601 | 0, /* bitpos */ | |
602 | complain_overflow_dont,/* complain_on_overflow */ | |
603 | bfd_elf_generic_reloc, /* special_function */ | |
9c504268 | 604 | "R_ARM_TARGET1", /* name */ |
db6579d4 PB |
605 | FALSE, /* partial_inplace */ |
606 | 0xffffffff, /* src_mask */ | |
607 | 0xffffffff, /* dst_mask */ | |
608 | FALSE), /* pcrel_offset */ | |
609 | ||
610 | HOWTO (R_ARM_ROSEGREL32, /* type */ | |
611 | 0, /* rightshift */ | |
612 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
613 | 32, /* bitsize */ | |
614 | FALSE, /* pc_relative */ | |
615 | 0, /* bitpos */ | |
616 | complain_overflow_dont,/* complain_on_overflow */ | |
617 | bfd_elf_generic_reloc, /* special_function */ | |
618 | "R_ARM_ROSEGREL32", /* name */ | |
619 | FALSE, /* partial_inplace */ | |
620 | 0xffffffff, /* src_mask */ | |
621 | 0xffffffff, /* dst_mask */ | |
622 | FALSE), /* pcrel_offset */ | |
623 | ||
624 | HOWTO (R_ARM_V4BX, /* type */ | |
625 | 0, /* rightshift */ | |
626 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
627 | 32, /* bitsize */ | |
628 | FALSE, /* pc_relative */ | |
629 | 0, /* bitpos */ | |
630 | complain_overflow_dont,/* complain_on_overflow */ | |
631 | bfd_elf_generic_reloc, /* special_function */ | |
632 | "R_ARM_V4BX", /* name */ | |
633 | FALSE, /* partial_inplace */ | |
634 | 0xffffffff, /* src_mask */ | |
635 | 0xffffffff, /* dst_mask */ | |
636 | FALSE), /* pcrel_offset */ | |
eb043451 PB |
637 | |
638 | HOWTO (R_ARM_TARGET2, /* type */ | |
639 | 0, /* rightshift */ | |
640 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
641 | 32, /* bitsize */ | |
642 | FALSE, /* pc_relative */ | |
643 | 0, /* bitpos */ | |
644 | complain_overflow_signed,/* complain_on_overflow */ | |
645 | bfd_elf_generic_reloc, /* special_function */ | |
646 | "R_ARM_TARGET2", /* name */ | |
647 | FALSE, /* partial_inplace */ | |
648 | 0xffffffff, /* src_mask */ | |
649 | 0xffffffff, /* dst_mask */ | |
650 | TRUE), /* pcrel_offset */ | |
651 | ||
652 | HOWTO (R_ARM_PREL31, /* type */ | |
653 | 0, /* rightshift */ | |
654 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
655 | 31, /* bitsize */ | |
656 | TRUE, /* pc_relative */ | |
657 | 0, /* bitpos */ | |
658 | complain_overflow_signed,/* complain_on_overflow */ | |
659 | bfd_elf_generic_reloc, /* special_function */ | |
660 | "R_ARM_PREL31", /* name */ | |
661 | FALSE, /* partial_inplace */ | |
662 | 0x7fffffff, /* src_mask */ | |
663 | 0x7fffffff, /* dst_mask */ | |
664 | TRUE), /* pcrel_offset */ | |
252b5132 RH |
665 | }; |
666 | ||
667 | /* GNU extension to record C++ vtable hierarchy */ | |
668 | static reloc_howto_type elf32_arm_vtinherit_howto = | |
669 | HOWTO (R_ARM_GNU_VTINHERIT, /* type */ | |
670 | 0, /* rightshift */ | |
671 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
672 | 0, /* bitsize */ | |
b34976b6 | 673 | FALSE, /* pc_relative */ |
252b5132 RH |
674 | 0, /* bitpos */ |
675 | complain_overflow_dont, /* complain_on_overflow */ | |
676 | NULL, /* special_function */ | |
677 | "R_ARM_GNU_VTINHERIT", /* name */ | |
b34976b6 | 678 | FALSE, /* partial_inplace */ |
252b5132 RH |
679 | 0, /* src_mask */ |
680 | 0, /* dst_mask */ | |
b34976b6 | 681 | FALSE); /* pcrel_offset */ |
252b5132 RH |
682 | |
683 | /* GNU extension to record C++ vtable member usage */ | |
684 | static reloc_howto_type elf32_arm_vtentry_howto = | |
685 | HOWTO (R_ARM_GNU_VTENTRY, /* type */ | |
686 | 0, /* rightshift */ | |
687 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
688 | 0, /* bitsize */ | |
b34976b6 | 689 | FALSE, /* pc_relative */ |
252b5132 RH |
690 | 0, /* bitpos */ |
691 | complain_overflow_dont, /* complain_on_overflow */ | |
692 | _bfd_elf_rel_vtable_reloc_fn, /* special_function */ | |
693 | "R_ARM_GNU_VTENTRY", /* name */ | |
b34976b6 | 694 | FALSE, /* partial_inplace */ |
252b5132 RH |
695 | 0, /* src_mask */ |
696 | 0, /* dst_mask */ | |
b34976b6 | 697 | FALSE); /* pcrel_offset */ |
252b5132 RH |
698 | |
699 | /* 12 bit pc relative */ | |
700 | static reloc_howto_type elf32_arm_thm_pc11_howto = | |
701 | HOWTO (R_ARM_THM_PC11, /* type */ | |
702 | 1, /* rightshift */ | |
703 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
704 | 11, /* bitsize */ | |
b34976b6 | 705 | TRUE, /* pc_relative */ |
252b5132 RH |
706 | 0, /* bitpos */ |
707 | complain_overflow_signed, /* complain_on_overflow */ | |
708 | bfd_elf_generic_reloc, /* special_function */ | |
709 | "R_ARM_THM_PC11", /* name */ | |
b34976b6 | 710 | FALSE, /* partial_inplace */ |
252b5132 RH |
711 | 0x000007ff, /* src_mask */ |
712 | 0x000007ff, /* dst_mask */ | |
b34976b6 | 713 | TRUE); /* pcrel_offset */ |
252b5132 RH |
714 | |
715 | /* 12 bit pc relative */ | |
716 | static reloc_howto_type elf32_arm_thm_pc9_howto = | |
717 | HOWTO (R_ARM_THM_PC9, /* type */ | |
718 | 1, /* rightshift */ | |
719 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
720 | 8, /* bitsize */ | |
b34976b6 | 721 | TRUE, /* pc_relative */ |
252b5132 RH |
722 | 0, /* bitpos */ |
723 | complain_overflow_signed, /* complain_on_overflow */ | |
724 | bfd_elf_generic_reloc, /* special_function */ | |
725 | "R_ARM_THM_PC9", /* name */ | |
b34976b6 | 726 | FALSE, /* partial_inplace */ |
252b5132 RH |
727 | 0x000000ff, /* src_mask */ |
728 | 0x000000ff, /* dst_mask */ | |
b34976b6 | 729 | TRUE); /* pcrel_offset */ |
252b5132 | 730 | |
eb043451 PB |
731 | /* Place relative GOT-indirect. */ |
732 | static reloc_howto_type elf32_arm_got_prel = | |
733 | HOWTO (R_ARM_GOT_PREL, /* type */ | |
734 | 0, /* rightshift */ | |
735 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
736 | 32, /* bitsize */ | |
737 | TRUE, /* pc_relative */ | |
738 | 0, /* bitpos */ | |
739 | complain_overflow_dont, /* complain_on_overflow */ | |
740 | bfd_elf_generic_reloc, /* special_function */ | |
741 | "R_ARM_GOT_PREL", /* name */ | |
742 | FALSE, /* partial_inplace */ | |
743 | 0xffffffff, /* src_mask */ | |
744 | 0xffffffff, /* dst_mask */ | |
745 | TRUE); /* pcrel_offset */ | |
917583ad | 746 | |
5b5bb741 PB |
747 | /* Currently unused relocations. */ |
748 | static reloc_howto_type elf32_arm_r_howto[4] = | |
749 | { | |
750 | HOWTO (R_ARM_RREL32, /* type */ | |
751 | 0, /* rightshift */ | |
752 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
753 | 0, /* bitsize */ | |
754 | FALSE, /* pc_relative */ | |
755 | 0, /* bitpos */ | |
756 | complain_overflow_dont,/* complain_on_overflow */ | |
757 | bfd_elf_generic_reloc, /* special_function */ | |
758 | "R_ARM_RREL32", /* name */ | |
759 | FALSE, /* partial_inplace */ | |
760 | 0, /* src_mask */ | |
761 | 0, /* dst_mask */ | |
762 | FALSE), /* pcrel_offset */ | |
763 | ||
764 | HOWTO (R_ARM_RABS32, /* type */ | |
765 | 0, /* rightshift */ | |
766 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
767 | 0, /* bitsize */ | |
768 | FALSE, /* pc_relative */ | |
769 | 0, /* bitpos */ | |
770 | complain_overflow_dont,/* complain_on_overflow */ | |
771 | bfd_elf_generic_reloc, /* special_function */ | |
772 | "R_ARM_RABS32", /* name */ | |
773 | FALSE, /* partial_inplace */ | |
774 | 0, /* src_mask */ | |
775 | 0, /* dst_mask */ | |
776 | FALSE), /* pcrel_offset */ | |
777 | ||
778 | HOWTO (R_ARM_RPC24, /* type */ | |
779 | 0, /* rightshift */ | |
780 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
781 | 0, /* bitsize */ | |
782 | FALSE, /* pc_relative */ | |
783 | 0, /* bitpos */ | |
784 | complain_overflow_dont,/* complain_on_overflow */ | |
785 | bfd_elf_generic_reloc, /* special_function */ | |
786 | "R_ARM_RPC24", /* name */ | |
787 | FALSE, /* partial_inplace */ | |
788 | 0, /* src_mask */ | |
789 | 0, /* dst_mask */ | |
790 | FALSE), /* pcrel_offset */ | |
791 | ||
792 | HOWTO (R_ARM_RBASE, /* type */ | |
793 | 0, /* rightshift */ | |
794 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
795 | 0, /* bitsize */ | |
796 | FALSE, /* pc_relative */ | |
797 | 0, /* bitpos */ | |
798 | complain_overflow_dont,/* complain_on_overflow */ | |
799 | bfd_elf_generic_reloc, /* special_function */ | |
800 | "R_ARM_RBASE", /* name */ | |
801 | FALSE, /* partial_inplace */ | |
802 | 0, /* src_mask */ | |
803 | 0, /* dst_mask */ | |
804 | FALSE) /* pcrel_offset */ | |
805 | }; | |
806 | ||
eb043451 PB |
807 | static reloc_howto_type * |
808 | elf32_arm_howto_from_type (unsigned int r_type) | |
252b5132 | 809 | { |
eb043451 PB |
810 | if (r_type < NUM_ELEM (elf32_arm_howto_table)) |
811 | return &elf32_arm_howto_table[r_type]; | |
812 | ||
252b5132 RH |
813 | switch (r_type) |
814 | { | |
eb043451 PB |
815 | case R_ARM_GOT_PREL: |
816 | return &elf32_arm_got_prel; | |
817 | ||
252b5132 | 818 | case R_ARM_GNU_VTINHERIT: |
eb043451 | 819 | return &elf32_arm_vtinherit_howto; |
3e932841 | 820 | |
252b5132 | 821 | case R_ARM_GNU_VTENTRY: |
eb043451 | 822 | return &elf32_arm_vtentry_howto; |
3e932841 | 823 | |
252b5132 | 824 | case R_ARM_THM_PC11: |
eb043451 | 825 | return &elf32_arm_thm_pc11_howto; |
3e932841 | 826 | |
252b5132 | 827 | case R_ARM_THM_PC9: |
eb043451 | 828 | return &elf32_arm_thm_pc9_howto; |
3e932841 | 829 | |
5b5bb741 PB |
830 | case R_ARM_RREL32: |
831 | case R_ARM_RABS32: | |
832 | case R_ARM_RPC24: | |
833 | case R_ARM_RBASE: | |
834 | return &elf32_arm_r_howto[r_type - R_ARM_RREL32]; | |
835 | ||
252b5132 | 836 | default: |
eb043451 | 837 | return NULL; |
252b5132 RH |
838 | } |
839 | } | |
3e932841 | 840 | |
eb043451 PB |
841 | static void |
842 | elf32_arm_info_to_howto (bfd * abfd ATTRIBUTE_UNUSED, arelent * bfd_reloc, | |
843 | Elf_Internal_Rela * elf_reloc) | |
844 | { | |
845 | unsigned int r_type; | |
846 | ||
847 | r_type = ELF32_R_TYPE (elf_reloc->r_info); | |
848 | bfd_reloc->howto = elf32_arm_howto_from_type (r_type); | |
849 | } | |
850 | ||
252b5132 RH |
851 | struct elf32_arm_reloc_map |
852 | { | |
853 | bfd_reloc_code_real_type bfd_reloc_val; | |
854 | unsigned char elf_reloc_val; | |
855 | }; | |
856 | ||
eb043451 | 857 | /* All entries in this list must also be present in elf32_arm_howto_table. */ |
252b5132 | 858 | static const struct elf32_arm_reloc_map elf32_arm_reloc_map[] = |
917583ad NC |
859 | { |
860 | {BFD_RELOC_NONE, R_ARM_NONE}, | |
861 | {BFD_RELOC_ARM_PCREL_BRANCH, R_ARM_PC24}, | |
862 | {BFD_RELOC_ARM_PCREL_BLX, R_ARM_XPC25}, | |
863 | {BFD_RELOC_THUMB_PCREL_BLX, R_ARM_THM_XPC22}, | |
864 | {BFD_RELOC_32, R_ARM_ABS32}, | |
865 | {BFD_RELOC_32_PCREL, R_ARM_REL32}, | |
866 | {BFD_RELOC_8, R_ARM_ABS8}, | |
867 | {BFD_RELOC_16, R_ARM_ABS16}, | |
868 | {BFD_RELOC_ARM_OFFSET_IMM, R_ARM_ABS12}, | |
869 | {BFD_RELOC_ARM_THUMB_OFFSET, R_ARM_THM_ABS5}, | |
870 | {BFD_RELOC_THUMB_PCREL_BRANCH23, R_ARM_THM_PC22}, | |
871 | {BFD_RELOC_ARM_COPY, R_ARM_COPY}, | |
872 | {BFD_RELOC_ARM_GLOB_DAT, R_ARM_GLOB_DAT}, | |
873 | {BFD_RELOC_ARM_JUMP_SLOT, R_ARM_JUMP_SLOT}, | |
874 | {BFD_RELOC_ARM_RELATIVE, R_ARM_RELATIVE}, | |
875 | {BFD_RELOC_ARM_GOTOFF, R_ARM_GOTOFF}, | |
876 | {BFD_RELOC_ARM_GOTPC, R_ARM_GOTPC}, | |
877 | {BFD_RELOC_ARM_GOT32, R_ARM_GOT32}, | |
db6579d4 | 878 | {BFD_RELOC_ARM_PLT32, R_ARM_PLT32}, |
9c504268 | 879 | {BFD_RELOC_ARM_TARGET1, R_ARM_TARGET1}, |
db6579d4 | 880 | {BFD_RELOC_ARM_ROSEGREL32, R_ARM_ROSEGREL32}, |
eb043451 PB |
881 | {BFD_RELOC_ARM_SBREL32, R_ARM_SBREL32}, |
882 | {BFD_RELOC_ARM_PREL31, R_ARM_PREL31}, | |
883 | {BFD_RELOC_ARM_TARGET2, R_ARM_TARGET2} | |
917583ad | 884 | }; |
252b5132 RH |
885 | |
886 | static reloc_howto_type * | |
887 | elf32_arm_reloc_type_lookup (abfd, code) | |
5f771d47 | 888 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 RH |
889 | bfd_reloc_code_real_type code; |
890 | { | |
891 | unsigned int i; | |
892 | ||
893 | switch (code) | |
894 | { | |
895 | case BFD_RELOC_VTABLE_INHERIT: | |
896 | return & elf32_arm_vtinherit_howto; | |
897 | ||
898 | case BFD_RELOC_VTABLE_ENTRY: | |
899 | return & elf32_arm_vtentry_howto; | |
900 | ||
901 | case BFD_RELOC_THUMB_PCREL_BRANCH12: | |
902 | return & elf32_arm_thm_pc11_howto; | |
903 | ||
904 | case BFD_RELOC_THUMB_PCREL_BRANCH9: | |
905 | return & elf32_arm_thm_pc9_howto; | |
906 | ||
907 | default: | |
908 | for (i = 0; i < NUM_ELEM (elf32_arm_reloc_map); i ++) | |
909 | if (elf32_arm_reloc_map[i].bfd_reloc_val == code) | |
910 | return & elf32_arm_howto_table[elf32_arm_reloc_map[i].elf_reloc_val]; | |
3e932841 | 911 | |
252b5132 RH |
912 | return NULL; |
913 | } | |
914 | } | |
915 | ||
c5fccbec | 916 | /* Support for core dump NOTE sections */ |
b34976b6 | 917 | static bfd_boolean |
c5fccbec DJ |
918 | elf32_arm_nabi_grok_prstatus (abfd, note) |
919 | bfd *abfd; | |
920 | Elf_Internal_Note *note; | |
921 | { | |
922 | int offset; | |
eea6121a | 923 | size_t size; |
c5fccbec DJ |
924 | |
925 | switch (note->descsz) | |
926 | { | |
927 | default: | |
b34976b6 | 928 | return FALSE; |
c5fccbec DJ |
929 | |
930 | case 148: /* Linux/ARM 32-bit*/ | |
931 | /* pr_cursig */ | |
932 | elf_tdata (abfd)->core_signal = bfd_get_16 (abfd, note->descdata + 12); | |
933 | ||
934 | /* pr_pid */ | |
935 | elf_tdata (abfd)->core_pid = bfd_get_32 (abfd, note->descdata + 24); | |
936 | ||
937 | /* pr_reg */ | |
938 | offset = 72; | |
eea6121a | 939 | size = 72; |
c5fccbec DJ |
940 | |
941 | break; | |
942 | } | |
943 | ||
944 | /* Make a ".reg/999" section. */ | |
945 | return _bfd_elfcore_make_pseudosection (abfd, ".reg", | |
eea6121a | 946 | size, note->descpos + offset); |
c5fccbec DJ |
947 | } |
948 | ||
b34976b6 | 949 | static bfd_boolean |
c5fccbec DJ |
950 | elf32_arm_nabi_grok_psinfo (abfd, note) |
951 | bfd *abfd; | |
952 | Elf_Internal_Note *note; | |
953 | { | |
954 | switch (note->descsz) | |
955 | { | |
956 | default: | |
b34976b6 | 957 | return FALSE; |
c5fccbec DJ |
958 | |
959 | case 124: /* Linux/ARM elf_prpsinfo */ | |
960 | elf_tdata (abfd)->core_program | |
961 | = _bfd_elfcore_strndup (abfd, note->descdata + 28, 16); | |
962 | elf_tdata (abfd)->core_command | |
963 | = _bfd_elfcore_strndup (abfd, note->descdata + 44, 80); | |
964 | } | |
965 | ||
966 | /* Note that for some reason, a spurious space is tacked | |
967 | onto the end of the args in some (at least one anyway) | |
968 | implementations, so strip it off if it exists. */ | |
969 | ||
970 | { | |
971 | char *command = elf_tdata (abfd)->core_command; | |
972 | int n = strlen (command); | |
973 | ||
974 | if (0 < n && command[n - 1] == ' ') | |
975 | command[n - 1] = '\0'; | |
976 | } | |
977 | ||
b34976b6 | 978 | return TRUE; |
c5fccbec DJ |
979 | } |
980 | ||
e5a52504 MM |
981 | #define TARGET_LITTLE_SYM bfd_elf32_littlearm_vec |
982 | #define TARGET_LITTLE_NAME "elf32-littlearm" | |
983 | #define TARGET_BIG_SYM bfd_elf32_bigarm_vec | |
984 | #define TARGET_BIG_NAME "elf32-bigarm" | |
985 | ||
c5fccbec DJ |
986 | #define elf_backend_grok_prstatus elf32_arm_nabi_grok_prstatus |
987 | #define elf_backend_grok_psinfo elf32_arm_nabi_grok_psinfo | |
988 | ||
252b5132 | 989 | #include "elf32-arm.h" |
e5a52504 MM |
990 | |
991 | /* Symbian OS Targets */ | |
992 | ||
993 | #undef TARGET_LITTLE_SYM | |
994 | #define TARGET_LITTLE_SYM bfd_elf32_littlearm_symbian_vec | |
995 | #undef TARGET_LITTLE_NAME | |
996 | #define TARGET_LITTLE_NAME "elf32-littlearm-symbian" | |
997 | #undef TARGET_BIG_SYM | |
998 | #define TARGET_BIG_SYM bfd_elf32_bigarm_symbian_vec | |
999 | #undef TARGET_BIG_NAME | |
1000 | #define TARGET_BIG_NAME "elf32-bigarm-symbian" | |
1001 | ||
1002 | /* Like elf32_arm_link_hash_table_create -- but overrides | |
1003 | appropriately for Symbian OS. */ | |
1004 | static struct bfd_link_hash_table * | |
1005 | elf32_arm_symbian_link_hash_table_create (bfd *abfd) | |
1006 | { | |
1007 | struct bfd_link_hash_table *ret; | |
1008 | ||
1009 | ret = elf32_arm_link_hash_table_create (abfd); | |
1010 | if (ret) | |
1011 | { | |
1012 | struct elf32_arm_link_hash_table *htab | |
1013 | = (struct elf32_arm_link_hash_table *)ret; | |
1014 | /* There is no PLT header for Symbian OS. */ | |
1015 | htab->plt_header_size = 0; | |
1016 | /* The PLT entries are each three instructions. */ | |
1017 | htab->plt_entry_size = 4 * NUM_ELEM (elf32_arm_symbian_plt_entry); | |
1018 | htab->symbian_p = 1; | |
1019 | } | |
1020 | return ret; | |
1021 | } | |
1022 | ||
1023 | /* In a BPABI executable, the dynamic linking sections do not go in | |
1024 | the loadable read-only segment. The post-linker may wish to refer | |
1025 | to these sections, but they are not part of the final program | |
1026 | image. */ | |
1027 | static struct bfd_elf_special_section const | |
1028 | elf32_arm_symbian_special_sections[]= | |
1029 | { | |
1030 | { ".dynamic", 8, 0, SHT_DYNAMIC, 0 }, | |
1031 | { ".dynstr", 7, 0, SHT_STRTAB, 0 }, | |
1032 | { ".dynsym", 7, 0, SHT_DYNSYM, 0 }, | |
1033 | { ".got", 4, 0, SHT_PROGBITS, 0 }, | |
1034 | { ".hash", 5, 0, SHT_HASH, 0 }, | |
1035 | { NULL, 0, 0, 0, 0 } | |
1036 | }; | |
1037 | ||
1038 | static bfd_boolean | |
1039 | elf32_arm_symbian_modify_segment_map | |
1040 | PARAMS ((bfd *, struct bfd_link_info *)); | |
1041 | ||
1042 | static bfd_boolean | |
1043 | elf32_arm_symbian_modify_segment_map (abfd, info) | |
1044 | bfd *abfd; | |
1045 | struct bfd_link_info *info ATTRIBUTE_UNUSED; | |
1046 | { | |
1047 | struct elf_segment_map *m; | |
229fcec5 | 1048 | asection *dynsec; |
e5a52504 MM |
1049 | |
1050 | /* The first PT_LOAD segment will have the program headers and file | |
1051 | headers in it by default -- but BPABI object files should not | |
1052 | include these headers in any loadable segment. */ | |
1053 | for (m = elf_tdata (abfd)->segment_map; m != NULL; m = m->next) | |
1054 | if (m->p_type == PT_LOAD) | |
1055 | { | |
1056 | m->includes_filehdr = 0; | |
1057 | m->includes_phdrs = 0; | |
1058 | } | |
229fcec5 MM |
1059 | |
1060 | /* BPABI shared libraries and executables should have a PT_DYNAMIC | |
1061 | segment. However, because the .dynamic section is not marked | |
1062 | with SEC_LOAD, the generic ELF code will not create such a | |
1063 | segment. */ | |
1064 | dynsec = bfd_get_section_by_name (abfd, ".dynamic"); | |
1065 | if (dynsec) | |
1066 | { | |
1067 | m = _bfd_elf_make_dynamic_segment (abfd, dynsec); | |
1068 | m->next = elf_tdata (abfd)->segment_map; | |
1069 | elf_tdata (abfd)->segment_map = m; | |
1070 | } | |
1071 | ||
e5a52504 MM |
1072 | return TRUE; |
1073 | } | |
1074 | ||
1075 | #undef elf32_bed | |
1076 | #define elf32_bed elf32_arm_symbian_bed | |
1077 | ||
6df4d94c MM |
1078 | /* The dynamic sections are not allocated on SymbianOS; the postlinker |
1079 | will process them and then discard them. */ | |
e5a52504 MM |
1080 | #undef ELF_DYNAMIC_SEC_FLAGS |
1081 | #define ELF_DYNAMIC_SEC_FLAGS \ | |
1082 | (SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_LINKER_CREATED) | |
1083 | ||
1084 | #undef bfd_elf32_bfd_link_hash_table_create | |
1085 | #define bfd_elf32_bfd_link_hash_table_create \ | |
1086 | elf32_arm_symbian_link_hash_table_create | |
1087 | ||
1088 | #undef elf_backend_special_sections | |
1089 | #define elf_backend_special_sections elf32_arm_symbian_special_sections | |
1090 | ||
1091 | #undef elf_backend_modify_segment_map | |
1092 | #define elf_backend_modify_segment_map elf32_arm_symbian_modify_segment_map | |
1093 | ||
1094 | /* There is no .got section for BPABI objects, and hence no header. */ | |
1095 | #undef elf_backend_got_header_size | |
1096 | #define elf_backend_got_header_size 0 | |
1097 | ||
229fcec5 MM |
1098 | /* Similarly, there is no .got.plt section. */ |
1099 | #undef elf_backend_want_got_plt | |
1100 | #define elf_backend_want_got_plt 0 | |
1101 | ||
e5a52504 MM |
1102 | #include "elf32-target.h" |
1103 |