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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 KH |
455 | |
456 | /* End of relocs used in ARM Linux */ | |
252b5132 RH |
457 | |
458 | HOWTO (R_ARM_RREL32, /* type */ | |
459 | 0, /* rightshift */ | |
460 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
461 | 0, /* bitsize */ | |
b34976b6 | 462 | FALSE, /* pc_relative */ |
252b5132 RH |
463 | 0, /* bitpos */ |
464 | complain_overflow_dont,/* complain_on_overflow */ | |
465 | bfd_elf_generic_reloc, /* special_function */ | |
466 | "R_ARM_RREL32", /* name */ | |
b34976b6 | 467 | FALSE, /* partial_inplace */ |
252b5132 RH |
468 | 0, /* src_mask */ |
469 | 0, /* dst_mask */ | |
b34976b6 | 470 | FALSE), /* pcrel_offset */ |
252b5132 RH |
471 | |
472 | HOWTO (R_ARM_RABS32, /* type */ | |
473 | 0, /* rightshift */ | |
474 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
475 | 0, /* bitsize */ | |
b34976b6 | 476 | FALSE, /* pc_relative */ |
252b5132 RH |
477 | 0, /* bitpos */ |
478 | complain_overflow_dont,/* complain_on_overflow */ | |
479 | bfd_elf_generic_reloc, /* special_function */ | |
480 | "R_ARM_RABS32", /* name */ | |
b34976b6 | 481 | FALSE, /* partial_inplace */ |
252b5132 RH |
482 | 0, /* src_mask */ |
483 | 0, /* dst_mask */ | |
b34976b6 | 484 | FALSE), /* pcrel_offset */ |
252b5132 RH |
485 | |
486 | HOWTO (R_ARM_RPC24, /* type */ | |
487 | 0, /* rightshift */ | |
488 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
489 | 0, /* bitsize */ | |
b34976b6 | 490 | FALSE, /* pc_relative */ |
252b5132 RH |
491 | 0, /* bitpos */ |
492 | complain_overflow_dont,/* complain_on_overflow */ | |
493 | bfd_elf_generic_reloc, /* special_function */ | |
494 | "R_ARM_RPC24", /* name */ | |
b34976b6 | 495 | FALSE, /* partial_inplace */ |
252b5132 RH |
496 | 0, /* src_mask */ |
497 | 0, /* dst_mask */ | |
b34976b6 | 498 | FALSE), /* pcrel_offset */ |
252b5132 RH |
499 | |
500 | HOWTO (R_ARM_RBASE, /* type */ | |
501 | 0, /* rightshift */ | |
502 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
503 | 0, /* bitsize */ | |
b34976b6 | 504 | FALSE, /* pc_relative */ |
252b5132 RH |
505 | 0, /* bitpos */ |
506 | complain_overflow_dont,/* complain_on_overflow */ | |
507 | bfd_elf_generic_reloc, /* special_function */ | |
508 | "R_ARM_RBASE", /* name */ | |
b34976b6 | 509 | FALSE, /* partial_inplace */ |
252b5132 RH |
510 | 0, /* src_mask */ |
511 | 0, /* dst_mask */ | |
b34976b6 | 512 | FALSE), /* pcrel_offset */ |
252b5132 | 513 | |
8375c36b PB |
514 | HOWTO (R_ARM_ALU_PCREL7_0, /* type */ |
515 | 0, /* rightshift */ | |
516 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
517 | 12, /* bitsize */ | |
518 | TRUE, /* pc_relative */ | |
519 | 0, /* bitpos */ | |
520 | complain_overflow_dont,/* complain_on_overflow */ | |
521 | bfd_elf_generic_reloc, /* special_function */ | |
522 | "R_ARM_ALU_PCREL_7_0", /* name */ | |
523 | FALSE, /* partial_inplace */ | |
524 | 0x00000fff, /* src_mask */ | |
525 | 0x00000fff, /* dst_mask */ | |
526 | TRUE), /* pcrel_offset */ | |
527 | ||
528 | HOWTO (R_ARM_ALU_PCREL15_8, /* type */ | |
529 | 0, /* rightshift */ | |
530 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
531 | 12, /* bitsize */ | |
532 | TRUE, /* pc_relative */ | |
533 | 8, /* bitpos */ | |
534 | complain_overflow_dont,/* complain_on_overflow */ | |
535 | bfd_elf_generic_reloc, /* special_function */ | |
536 | "R_ARM_ALU_PCREL_15_8",/* name */ | |
537 | FALSE, /* partial_inplace */ | |
538 | 0x00000fff, /* src_mask */ | |
539 | 0x00000fff, /* dst_mask */ | |
540 | TRUE), /* pcrel_offset */ | |
541 | ||
542 | HOWTO (R_ARM_ALU_PCREL23_15, /* type */ | |
543 | 0, /* rightshift */ | |
544 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
545 | 12, /* bitsize */ | |
546 | TRUE, /* pc_relative */ | |
547 | 16, /* bitpos */ | |
548 | complain_overflow_dont,/* complain_on_overflow */ | |
549 | bfd_elf_generic_reloc, /* special_function */ | |
550 | "R_ARM_ALU_PCREL_23_15",/* name */ | |
551 | FALSE, /* partial_inplace */ | |
552 | 0x00000fff, /* src_mask */ | |
553 | 0x00000fff, /* dst_mask */ | |
554 | TRUE), /* pcrel_offset */ | |
db6579d4 PB |
555 | |
556 | HOWTO (R_ARM_LDR_SBREL_11_0, /* type */ | |
557 | 0, /* rightshift */ | |
558 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
559 | 12, /* bitsize */ | |
560 | FALSE, /* pc_relative */ | |
561 | 0, /* bitpos */ | |
562 | complain_overflow_dont,/* complain_on_overflow */ | |
563 | bfd_elf_generic_reloc, /* special_function */ | |
564 | "R_ARM_LDR_SBREL_11_0",/* name */ | |
565 | FALSE, /* partial_inplace */ | |
566 | 0x00000fff, /* src_mask */ | |
567 | 0x00000fff, /* dst_mask */ | |
568 | FALSE), /* pcrel_offset */ | |
569 | ||
570 | HOWTO (R_ARM_ALU_SBREL_19_12, /* type */ | |
571 | 0, /* rightshift */ | |
572 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
573 | 8, /* bitsize */ | |
574 | FALSE, /* pc_relative */ | |
575 | 12, /* bitpos */ | |
576 | complain_overflow_dont,/* complain_on_overflow */ | |
577 | bfd_elf_generic_reloc, /* special_function */ | |
578 | "R_ARM_ALU_SBREL_19_12",/* name */ | |
579 | FALSE, /* partial_inplace */ | |
580 | 0x000ff000, /* src_mask */ | |
581 | 0x000ff000, /* dst_mask */ | |
582 | FALSE), /* pcrel_offset */ | |
583 | ||
584 | HOWTO (R_ARM_ALU_SBREL_27_20, /* type */ | |
585 | 0, /* rightshift */ | |
586 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
587 | 8, /* bitsize */ | |
588 | FALSE, /* pc_relative */ | |
589 | 20, /* bitpos */ | |
590 | complain_overflow_dont,/* complain_on_overflow */ | |
591 | bfd_elf_generic_reloc, /* special_function */ | |
592 | "R_ARM_ALU_SBREL_27_20",/* name */ | |
593 | FALSE, /* partial_inplace */ | |
594 | 0x0ff00000, /* src_mask */ | |
595 | 0x0ff00000, /* dst_mask */ | |
596 | FALSE), /* pcrel_offset */ | |
597 | ||
598 | HOWTO (R_ARM_RELABS32, /* type */ | |
599 | 0, /* rightshift */ | |
600 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
601 | 32, /* bitsize */ | |
602 | FALSE, /* pc_relative */ | |
603 | 0, /* bitpos */ | |
604 | complain_overflow_dont,/* complain_on_overflow */ | |
605 | bfd_elf_generic_reloc, /* special_function */ | |
606 | "R_ARM_RELABS32", /* name */ | |
607 | FALSE, /* partial_inplace */ | |
608 | 0xffffffff, /* src_mask */ | |
609 | 0xffffffff, /* dst_mask */ | |
610 | FALSE), /* pcrel_offset */ | |
611 | ||
612 | HOWTO (R_ARM_ROSEGREL32, /* type */ | |
613 | 0, /* rightshift */ | |
614 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
615 | 32, /* bitsize */ | |
616 | FALSE, /* pc_relative */ | |
617 | 0, /* bitpos */ | |
618 | complain_overflow_dont,/* complain_on_overflow */ | |
619 | bfd_elf_generic_reloc, /* special_function */ | |
620 | "R_ARM_ROSEGREL32", /* name */ | |
621 | FALSE, /* partial_inplace */ | |
622 | 0xffffffff, /* src_mask */ | |
623 | 0xffffffff, /* dst_mask */ | |
624 | FALSE), /* pcrel_offset */ | |
625 | ||
626 | HOWTO (R_ARM_V4BX, /* type */ | |
627 | 0, /* rightshift */ | |
628 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
629 | 32, /* bitsize */ | |
630 | FALSE, /* pc_relative */ | |
631 | 0, /* bitpos */ | |
632 | complain_overflow_dont,/* complain_on_overflow */ | |
633 | bfd_elf_generic_reloc, /* special_function */ | |
634 | "R_ARM_V4BX", /* name */ | |
635 | FALSE, /* partial_inplace */ | |
636 | 0xffffffff, /* src_mask */ | |
637 | 0xffffffff, /* dst_mask */ | |
638 | FALSE), /* pcrel_offset */ | |
252b5132 RH |
639 | }; |
640 | ||
641 | /* GNU extension to record C++ vtable hierarchy */ | |
642 | static reloc_howto_type elf32_arm_vtinherit_howto = | |
643 | HOWTO (R_ARM_GNU_VTINHERIT, /* type */ | |
644 | 0, /* rightshift */ | |
645 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
646 | 0, /* bitsize */ | |
b34976b6 | 647 | FALSE, /* pc_relative */ |
252b5132 RH |
648 | 0, /* bitpos */ |
649 | complain_overflow_dont, /* complain_on_overflow */ | |
650 | NULL, /* special_function */ | |
651 | "R_ARM_GNU_VTINHERIT", /* name */ | |
b34976b6 | 652 | FALSE, /* partial_inplace */ |
252b5132 RH |
653 | 0, /* src_mask */ |
654 | 0, /* dst_mask */ | |
b34976b6 | 655 | FALSE); /* pcrel_offset */ |
252b5132 RH |
656 | |
657 | /* GNU extension to record C++ vtable member usage */ | |
658 | static reloc_howto_type elf32_arm_vtentry_howto = | |
659 | HOWTO (R_ARM_GNU_VTENTRY, /* type */ | |
660 | 0, /* rightshift */ | |
661 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
662 | 0, /* bitsize */ | |
b34976b6 | 663 | FALSE, /* pc_relative */ |
252b5132 RH |
664 | 0, /* bitpos */ |
665 | complain_overflow_dont, /* complain_on_overflow */ | |
666 | _bfd_elf_rel_vtable_reloc_fn, /* special_function */ | |
667 | "R_ARM_GNU_VTENTRY", /* name */ | |
b34976b6 | 668 | FALSE, /* partial_inplace */ |
252b5132 RH |
669 | 0, /* src_mask */ |
670 | 0, /* dst_mask */ | |
b34976b6 | 671 | FALSE); /* pcrel_offset */ |
252b5132 RH |
672 | |
673 | /* 12 bit pc relative */ | |
674 | static reloc_howto_type elf32_arm_thm_pc11_howto = | |
675 | HOWTO (R_ARM_THM_PC11, /* type */ | |
676 | 1, /* rightshift */ | |
677 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
678 | 11, /* bitsize */ | |
b34976b6 | 679 | TRUE, /* pc_relative */ |
252b5132 RH |
680 | 0, /* bitpos */ |
681 | complain_overflow_signed, /* complain_on_overflow */ | |
682 | bfd_elf_generic_reloc, /* special_function */ | |
683 | "R_ARM_THM_PC11", /* name */ | |
b34976b6 | 684 | FALSE, /* partial_inplace */ |
252b5132 RH |
685 | 0x000007ff, /* src_mask */ |
686 | 0x000007ff, /* dst_mask */ | |
b34976b6 | 687 | TRUE); /* pcrel_offset */ |
252b5132 RH |
688 | |
689 | /* 12 bit pc relative */ | |
690 | static reloc_howto_type elf32_arm_thm_pc9_howto = | |
691 | HOWTO (R_ARM_THM_PC9, /* type */ | |
692 | 1, /* rightshift */ | |
693 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
694 | 8, /* bitsize */ | |
b34976b6 | 695 | TRUE, /* pc_relative */ |
252b5132 RH |
696 | 0, /* bitpos */ |
697 | complain_overflow_signed, /* complain_on_overflow */ | |
698 | bfd_elf_generic_reloc, /* special_function */ | |
699 | "R_ARM_THM_PC9", /* name */ | |
b34976b6 | 700 | FALSE, /* partial_inplace */ |
252b5132 RH |
701 | 0x000000ff, /* src_mask */ |
702 | 0x000000ff, /* dst_mask */ | |
b34976b6 | 703 | TRUE); /* pcrel_offset */ |
252b5132 | 704 | |
917583ad | 705 | static void elf32_arm_info_to_howto |
947216bf | 706 | PARAMS ((bfd *, arelent *, Elf_Internal_Rela *)); |
917583ad | 707 | |
252b5132 | 708 | static void |
ba96a88f | 709 | elf32_arm_info_to_howto (abfd, bfd_reloc, elf_reloc) |
5f771d47 | 710 | bfd * abfd ATTRIBUTE_UNUSED; |
252b5132 | 711 | arelent * bfd_reloc; |
947216bf | 712 | Elf_Internal_Rela * elf_reloc; |
252b5132 RH |
713 | { |
714 | unsigned int r_type; | |
3e932841 | 715 | |
252b5132 RH |
716 | r_type = ELF32_R_TYPE (elf_reloc->r_info); |
717 | ||
718 | switch (r_type) | |
719 | { | |
720 | case R_ARM_GNU_VTINHERIT: | |
721 | bfd_reloc->howto = & elf32_arm_vtinherit_howto; | |
722 | break; | |
3e932841 | 723 | |
252b5132 RH |
724 | case R_ARM_GNU_VTENTRY: |
725 | bfd_reloc->howto = & elf32_arm_vtentry_howto; | |
726 | break; | |
3e932841 | 727 | |
252b5132 RH |
728 | case R_ARM_THM_PC11: |
729 | bfd_reloc->howto = & elf32_arm_thm_pc11_howto; | |
730 | break; | |
3e932841 | 731 | |
252b5132 RH |
732 | case R_ARM_THM_PC9: |
733 | bfd_reloc->howto = & elf32_arm_thm_pc9_howto; | |
734 | break; | |
3e932841 | 735 | |
252b5132 RH |
736 | default: |
737 | if (r_type >= NUM_ELEM (elf32_arm_howto_table)) | |
738 | bfd_reloc->howto = NULL; | |
739 | else | |
740 | bfd_reloc->howto = & elf32_arm_howto_table[r_type]; | |
741 | break; | |
742 | } | |
743 | } | |
3e932841 | 744 | |
252b5132 RH |
745 | struct elf32_arm_reloc_map |
746 | { | |
747 | bfd_reloc_code_real_type bfd_reloc_val; | |
748 | unsigned char elf_reloc_val; | |
749 | }; | |
750 | ||
751 | static const struct elf32_arm_reloc_map elf32_arm_reloc_map[] = | |
917583ad NC |
752 | { |
753 | {BFD_RELOC_NONE, R_ARM_NONE}, | |
754 | {BFD_RELOC_ARM_PCREL_BRANCH, R_ARM_PC24}, | |
755 | {BFD_RELOC_ARM_PCREL_BLX, R_ARM_XPC25}, | |
756 | {BFD_RELOC_THUMB_PCREL_BLX, R_ARM_THM_XPC22}, | |
757 | {BFD_RELOC_32, R_ARM_ABS32}, | |
758 | {BFD_RELOC_32_PCREL, R_ARM_REL32}, | |
759 | {BFD_RELOC_8, R_ARM_ABS8}, | |
760 | {BFD_RELOC_16, R_ARM_ABS16}, | |
761 | {BFD_RELOC_ARM_OFFSET_IMM, R_ARM_ABS12}, | |
762 | {BFD_RELOC_ARM_THUMB_OFFSET, R_ARM_THM_ABS5}, | |
763 | {BFD_RELOC_THUMB_PCREL_BRANCH23, R_ARM_THM_PC22}, | |
764 | {BFD_RELOC_ARM_COPY, R_ARM_COPY}, | |
765 | {BFD_RELOC_ARM_GLOB_DAT, R_ARM_GLOB_DAT}, | |
766 | {BFD_RELOC_ARM_JUMP_SLOT, R_ARM_JUMP_SLOT}, | |
767 | {BFD_RELOC_ARM_RELATIVE, R_ARM_RELATIVE}, | |
768 | {BFD_RELOC_ARM_GOTOFF, R_ARM_GOTOFF}, | |
769 | {BFD_RELOC_ARM_GOTPC, R_ARM_GOTPC}, | |
770 | {BFD_RELOC_ARM_GOT32, R_ARM_GOT32}, | |
db6579d4 PB |
771 | {BFD_RELOC_ARM_PLT32, R_ARM_PLT32}, |
772 | {BFD_RELOC_ARM_RELABS32, R_ARM_RELABS32}, | |
773 | {BFD_RELOC_ARM_ROSEGREL32, R_ARM_ROSEGREL32}, | |
774 | {BFD_RELOC_ARM_SBREL32, R_ARM_SBREL32} | |
917583ad | 775 | }; |
252b5132 RH |
776 | |
777 | static reloc_howto_type * | |
778 | elf32_arm_reloc_type_lookup (abfd, code) | |
5f771d47 | 779 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 RH |
780 | bfd_reloc_code_real_type code; |
781 | { | |
782 | unsigned int i; | |
783 | ||
784 | switch (code) | |
785 | { | |
786 | case BFD_RELOC_VTABLE_INHERIT: | |
787 | return & elf32_arm_vtinherit_howto; | |
788 | ||
789 | case BFD_RELOC_VTABLE_ENTRY: | |
790 | return & elf32_arm_vtentry_howto; | |
791 | ||
792 | case BFD_RELOC_THUMB_PCREL_BRANCH12: | |
793 | return & elf32_arm_thm_pc11_howto; | |
794 | ||
795 | case BFD_RELOC_THUMB_PCREL_BRANCH9: | |
796 | return & elf32_arm_thm_pc9_howto; | |
797 | ||
798 | default: | |
799 | for (i = 0; i < NUM_ELEM (elf32_arm_reloc_map); i ++) | |
800 | if (elf32_arm_reloc_map[i].bfd_reloc_val == code) | |
801 | return & elf32_arm_howto_table[elf32_arm_reloc_map[i].elf_reloc_val]; | |
3e932841 | 802 | |
252b5132 RH |
803 | return NULL; |
804 | } | |
805 | } | |
806 | ||
c5fccbec | 807 | /* Support for core dump NOTE sections */ |
b34976b6 | 808 | static bfd_boolean |
c5fccbec DJ |
809 | elf32_arm_nabi_grok_prstatus (abfd, note) |
810 | bfd *abfd; | |
811 | Elf_Internal_Note *note; | |
812 | { | |
813 | int offset; | |
eea6121a | 814 | size_t size; |
c5fccbec DJ |
815 | |
816 | switch (note->descsz) | |
817 | { | |
818 | default: | |
b34976b6 | 819 | return FALSE; |
c5fccbec DJ |
820 | |
821 | case 148: /* Linux/ARM 32-bit*/ | |
822 | /* pr_cursig */ | |
823 | elf_tdata (abfd)->core_signal = bfd_get_16 (abfd, note->descdata + 12); | |
824 | ||
825 | /* pr_pid */ | |
826 | elf_tdata (abfd)->core_pid = bfd_get_32 (abfd, note->descdata + 24); | |
827 | ||
828 | /* pr_reg */ | |
829 | offset = 72; | |
eea6121a | 830 | size = 72; |
c5fccbec DJ |
831 | |
832 | break; | |
833 | } | |
834 | ||
835 | /* Make a ".reg/999" section. */ | |
836 | return _bfd_elfcore_make_pseudosection (abfd, ".reg", | |
eea6121a | 837 | size, note->descpos + offset); |
c5fccbec DJ |
838 | } |
839 | ||
b34976b6 | 840 | static bfd_boolean |
c5fccbec DJ |
841 | elf32_arm_nabi_grok_psinfo (abfd, note) |
842 | bfd *abfd; | |
843 | Elf_Internal_Note *note; | |
844 | { | |
845 | switch (note->descsz) | |
846 | { | |
847 | default: | |
b34976b6 | 848 | return FALSE; |
c5fccbec DJ |
849 | |
850 | case 124: /* Linux/ARM elf_prpsinfo */ | |
851 | elf_tdata (abfd)->core_program | |
852 | = _bfd_elfcore_strndup (abfd, note->descdata + 28, 16); | |
853 | elf_tdata (abfd)->core_command | |
854 | = _bfd_elfcore_strndup (abfd, note->descdata + 44, 80); | |
855 | } | |
856 | ||
857 | /* Note that for some reason, a spurious space is tacked | |
858 | onto the end of the args in some (at least one anyway) | |
859 | implementations, so strip it off if it exists. */ | |
860 | ||
861 | { | |
862 | char *command = elf_tdata (abfd)->core_command; | |
863 | int n = strlen (command); | |
864 | ||
865 | if (0 < n && command[n - 1] == ' ') | |
866 | command[n - 1] = '\0'; | |
867 | } | |
868 | ||
b34976b6 | 869 | return TRUE; |
c5fccbec DJ |
870 | } |
871 | ||
e5a52504 MM |
872 | #define TARGET_LITTLE_SYM bfd_elf32_littlearm_vec |
873 | #define TARGET_LITTLE_NAME "elf32-littlearm" | |
874 | #define TARGET_BIG_SYM bfd_elf32_bigarm_vec | |
875 | #define TARGET_BIG_NAME "elf32-bigarm" | |
876 | ||
c5fccbec DJ |
877 | #define elf_backend_grok_prstatus elf32_arm_nabi_grok_prstatus |
878 | #define elf_backend_grok_psinfo elf32_arm_nabi_grok_psinfo | |
879 | ||
252b5132 | 880 | #include "elf32-arm.h" |
e5a52504 MM |
881 | |
882 | /* Symbian OS Targets */ | |
883 | ||
884 | #undef TARGET_LITTLE_SYM | |
885 | #define TARGET_LITTLE_SYM bfd_elf32_littlearm_symbian_vec | |
886 | #undef TARGET_LITTLE_NAME | |
887 | #define TARGET_LITTLE_NAME "elf32-littlearm-symbian" | |
888 | #undef TARGET_BIG_SYM | |
889 | #define TARGET_BIG_SYM bfd_elf32_bigarm_symbian_vec | |
890 | #undef TARGET_BIG_NAME | |
891 | #define TARGET_BIG_NAME "elf32-bigarm-symbian" | |
892 | ||
893 | /* Like elf32_arm_link_hash_table_create -- but overrides | |
894 | appropriately for Symbian OS. */ | |
895 | static struct bfd_link_hash_table * | |
896 | elf32_arm_symbian_link_hash_table_create (bfd *abfd) | |
897 | { | |
898 | struct bfd_link_hash_table *ret; | |
899 | ||
900 | ret = elf32_arm_link_hash_table_create (abfd); | |
901 | if (ret) | |
902 | { | |
903 | struct elf32_arm_link_hash_table *htab | |
904 | = (struct elf32_arm_link_hash_table *)ret; | |
905 | /* There is no PLT header for Symbian OS. */ | |
906 | htab->plt_header_size = 0; | |
907 | /* The PLT entries are each three instructions. */ | |
908 | htab->plt_entry_size = 4 * NUM_ELEM (elf32_arm_symbian_plt_entry); | |
909 | htab->symbian_p = 1; | |
910 | } | |
911 | return ret; | |
912 | } | |
913 | ||
914 | /* In a BPABI executable, the dynamic linking sections do not go in | |
915 | the loadable read-only segment. The post-linker may wish to refer | |
916 | to these sections, but they are not part of the final program | |
917 | image. */ | |
918 | static struct bfd_elf_special_section const | |
919 | elf32_arm_symbian_special_sections[]= | |
920 | { | |
921 | { ".dynamic", 8, 0, SHT_DYNAMIC, 0 }, | |
922 | { ".dynstr", 7, 0, SHT_STRTAB, 0 }, | |
923 | { ".dynsym", 7, 0, SHT_DYNSYM, 0 }, | |
924 | { ".got", 4, 0, SHT_PROGBITS, 0 }, | |
925 | { ".hash", 5, 0, SHT_HASH, 0 }, | |
926 | { NULL, 0, 0, 0, 0 } | |
927 | }; | |
928 | ||
929 | static bfd_boolean | |
930 | elf32_arm_symbian_modify_segment_map | |
931 | PARAMS ((bfd *, struct bfd_link_info *)); | |
932 | ||
933 | static bfd_boolean | |
934 | elf32_arm_symbian_modify_segment_map (abfd, info) | |
935 | bfd *abfd; | |
936 | struct bfd_link_info *info ATTRIBUTE_UNUSED; | |
937 | { | |
938 | struct elf_segment_map *m; | |
939 | ||
940 | /* The first PT_LOAD segment will have the program headers and file | |
941 | headers in it by default -- but BPABI object files should not | |
942 | include these headers in any loadable segment. */ | |
943 | for (m = elf_tdata (abfd)->segment_map; m != NULL; m = m->next) | |
944 | if (m->p_type == PT_LOAD) | |
945 | { | |
946 | m->includes_filehdr = 0; | |
947 | m->includes_phdrs = 0; | |
948 | } | |
949 | return TRUE; | |
950 | } | |
951 | ||
952 | #undef elf32_bed | |
953 | #define elf32_bed elf32_arm_symbian_bed | |
954 | ||
955 | #undef ELF_DYNAMIC_SEC_FLAGS | |
956 | #define ELF_DYNAMIC_SEC_FLAGS \ | |
957 | (SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_LINKER_CREATED) | |
958 | ||
959 | #undef bfd_elf32_bfd_link_hash_table_create | |
960 | #define bfd_elf32_bfd_link_hash_table_create \ | |
961 | elf32_arm_symbian_link_hash_table_create | |
962 | ||
963 | #undef elf_backend_special_sections | |
964 | #define elf_backend_special_sections elf32_arm_symbian_special_sections | |
965 | ||
966 | #undef elf_backend_modify_segment_map | |
967 | #define elf_backend_modify_segment_map elf32_arm_symbian_modify_segment_map | |
968 | ||
969 | /* There is no .got section for BPABI objects, and hence no header. */ | |
970 | #undef elf_backend_got_header_size | |
971 | #define elf_backend_got_header_size 0 | |
972 | ||
973 | #include "elf32-target.h" | |
974 |