bfd/
[deliverable/binutils-gdb.git] / bfd / elfn32-mips.c
CommitLineData
8a397dad 1/* MIPS-specific support for 32-bit ELF
ab7d0aa0 2 Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
0f20cc35 3 2003, 2004, 2005 Free Software Foundation, Inc.
8a397dad
TS
4
5 Most of the information added by Ian Lance Taylor, Cygnus Support,
6 <ian@cygnus.com>.
7 N32/64 ABI support added by Mark Mitchell, CodeSourcery, LLC.
8 <mark@codesourcery.com>
9 Traditional MIPS targets support added by Koundinya.K, Dansk Data
10 Elektronik & Operations Research Group. <kk@ddeorg.soft.net>
11
12This file is part of BFD, the Binary File Descriptor library.
13
14This program is free software; you can redistribute it and/or modify
15it under the terms of the GNU General Public License as published by
16the Free Software Foundation; either version 2 of the License, or
17(at your option) any later version.
18
19This program is distributed in the hope that it will be useful,
20but WITHOUT ANY WARRANTY; without even the implied warranty of
21MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22GNU General Public License for more details.
23
24You should have received a copy of the GNU General Public License
25along with this program; if not, write to the Free Software
3e110533 26Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
8a397dad
TS
27
28/* This file handles MIPS ELF targets. SGI Irix 5 uses a slightly
29 different MIPS ELF from other targets. This matters when linking.
30 This file supports both, switching at runtime. */
31
32#include "bfd.h"
33#include "sysdep.h"
34#include "libbfd.h"
35#include "bfdlink.h"
36#include "genlink.h"
37#include "elf-bfd.h"
38#include "elfxx-mips.h"
39#include "elf/mips.h"
40
41/* Get the ECOFF swapping routines. */
42#include "coff/sym.h"
43#include "coff/symconst.h"
44#include "coff/internal.h"
45#include "coff/ecoff.h"
46#include "coff/mips.h"
47#define ECOFF_SIGNED_32
48#include "ecoffswap.h"
49
b34976b6 50static bfd_boolean mips_elf_assign_gp
11a2be4d 51 (bfd *, bfd_vma *);
8a397dad 52static bfd_reloc_status_type mips_elf_final_gp
11a2be4d 53 (bfd *, asymbol *, bfd_boolean, char **, bfd_vma *);
8a397dad 54static bfd_reloc_status_type mips_elf_gprel16_reloc
11a2be4d 55 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
8a397dad 56static bfd_reloc_status_type mips_elf_literal_reloc
11a2be4d 57 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
8a397dad 58static bfd_reloc_status_type mips_elf_gprel32_reloc
11a2be4d 59 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
8a397dad 60static bfd_reloc_status_type gprel32_with_gp
11a2be4d 61 (bfd *, asymbol *, arelent *, asection *, bfd_boolean, void *, bfd_vma);
8a397dad 62static bfd_reloc_status_type mips_elf_shift6_reloc
11a2be4d 63 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
8a397dad 64static bfd_reloc_status_type mips16_jump_reloc
11a2be4d 65 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
8a397dad 66static bfd_reloc_status_type mips16_gprel_reloc
11a2be4d 67 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
8a397dad 68static reloc_howto_type *bfd_elf32_bfd_reloc_type_lookup
11a2be4d 69 (bfd *, bfd_reloc_code_real_type);
8a397dad 70static reloc_howto_type *mips_elf_n32_rtype_to_howto
11a2be4d 71 (unsigned int, bfd_boolean);
8a397dad 72static void mips_info_to_howto_rel
11a2be4d 73 (bfd *, arelent *, Elf_Internal_Rela *);
8a397dad 74static void mips_info_to_howto_rela
11a2be4d 75 (bfd *, arelent *, Elf_Internal_Rela *);
b34976b6 76static bfd_boolean mips_elf_sym_is_global
11a2be4d 77 (bfd *, asymbol *);
b34976b6 78static bfd_boolean mips_elf_n32_object_p
11a2be4d 79 (bfd *);
b34976b6 80static bfd_boolean elf32_mips_grok_prstatus
11a2be4d 81 (bfd *, Elf_Internal_Note *);
b34976b6 82static bfd_boolean elf32_mips_grok_psinfo
11a2be4d 83 (bfd *, Elf_Internal_Note *);
8a397dad 84static irix_compat_t elf_n32_mips_irix_compat
11a2be4d 85 (bfd *);
8a397dad
TS
86
87extern const bfd_target bfd_elf32_nbigmips_vec;
88extern const bfd_target bfd_elf32_nlittlemips_vec;
89
8a397dad
TS
90/* Nonzero if ABFD is using the N32 ABI. */
91#define ABI_N32_P(abfd) \
92 ((elf_elfheader (abfd)->e_flags & EF_MIPS_ABI2) != 0)
93
94/* Whether we are trying to be compatible with IRIX at all. */
95#define SGI_COMPAT(abfd) \
96 (elf_n32_mips_irix_compat (abfd) != ict_none)
97
98/* The number of local .got entries we reserve. */
99#define MIPS_RESERVED_GOTNO (2)
100
101/* In case we're on a 32-bit machine, construct a 64-bit "-1" value
102 from smaller values. Start with zero, widen, *then* decrement. */
103#define MINUS_ONE (((bfd_vma)0) - 1)
104
105/* The relocation table used for SHT_REL sections. */
106
107static reloc_howto_type elf_mips_howto_table_rel[] =
108{
109 /* No relocation. */
110 HOWTO (R_MIPS_NONE, /* type */
111 0, /* rightshift */
112 0, /* size (0 = byte, 1 = short, 2 = long) */
113 0, /* bitsize */
b34976b6 114 FALSE, /* pc_relative */
8a397dad
TS
115 0, /* bitpos */
116 complain_overflow_dont, /* complain_on_overflow */
30ac9238 117 _bfd_mips_elf_generic_reloc, /* special_function */
8a397dad 118 "R_MIPS_NONE", /* name */
b34976b6 119 FALSE, /* partial_inplace */
8a397dad
TS
120 0, /* src_mask */
121 0, /* dst_mask */
b34976b6 122 FALSE), /* pcrel_offset */
8a397dad
TS
123
124 /* 16 bit relocation. */
125 HOWTO (R_MIPS_16, /* type */
126 0, /* rightshift */
127 2, /* size (0 = byte, 1 = short, 2 = long) */
128 16, /* bitsize */
b34976b6 129 FALSE, /* pc_relative */
8a397dad
TS
130 0, /* bitpos */
131 complain_overflow_signed, /* complain_on_overflow */
30ac9238 132 _bfd_mips_elf_generic_reloc, /* special_function */
8a397dad 133 "R_MIPS_16", /* name */
b34976b6 134 TRUE, /* partial_inplace */
8a397dad
TS
135 0x0000ffff, /* src_mask */
136 0x0000ffff, /* dst_mask */
b34976b6 137 FALSE), /* pcrel_offset */
8a397dad
TS
138
139 /* 32 bit relocation. */
140 HOWTO (R_MIPS_32, /* type */
141 0, /* rightshift */
142 2, /* size (0 = byte, 1 = short, 2 = long) */
143 32, /* bitsize */
b34976b6 144 FALSE, /* pc_relative */
8a397dad
TS
145 0, /* bitpos */
146 complain_overflow_dont, /* complain_on_overflow */
30ac9238 147 _bfd_mips_elf_generic_reloc, /* special_function */
8a397dad 148 "R_MIPS_32", /* name */
b34976b6 149 TRUE, /* partial_inplace */
8a397dad
TS
150 0xffffffff, /* src_mask */
151 0xffffffff, /* dst_mask */
b34976b6 152 FALSE), /* pcrel_offset */
8a397dad
TS
153
154 /* 32 bit symbol relative relocation. */
155 HOWTO (R_MIPS_REL32, /* type */
156 0, /* rightshift */
157 2, /* size (0 = byte, 1 = short, 2 = long) */
158 32, /* bitsize */
b34976b6 159 FALSE, /* pc_relative */
8a397dad
TS
160 0, /* bitpos */
161 complain_overflow_dont, /* complain_on_overflow */
30ac9238 162 _bfd_mips_elf_generic_reloc, /* special_function */
8a397dad 163 "R_MIPS_REL32", /* name */
b34976b6 164 TRUE, /* partial_inplace */
8a397dad
TS
165 0xffffffff, /* src_mask */
166 0xffffffff, /* dst_mask */
b34976b6 167 FALSE), /* pcrel_offset */
8a397dad
TS
168
169 /* 26 bit jump address. */
170 HOWTO (R_MIPS_26, /* type */
171 2, /* rightshift */
172 2, /* size (0 = byte, 1 = short, 2 = long) */
173 26, /* bitsize */
b34976b6 174 FALSE, /* pc_relative */
8a397dad
TS
175 0, /* bitpos */
176 complain_overflow_dont, /* complain_on_overflow */
177 /* This needs complex overflow
178 detection, because the upper four
179 bits must match the PC + 4. */
30ac9238 180 _bfd_mips_elf_generic_reloc, /* special_function */
8a397dad 181 "R_MIPS_26", /* name */
b34976b6 182 TRUE, /* partial_inplace */
8a397dad
TS
183 0x03ffffff, /* src_mask */
184 0x03ffffff, /* dst_mask */
b34976b6 185 FALSE), /* pcrel_offset */
8a397dad
TS
186
187 /* R_MIPS_HI16 and R_MIPS_LO16 are unsupported for NewABI REL.
188 However, the native IRIX6 tools use them, so we try our best. */
189
190 /* High 16 bits of symbol value. */
191 HOWTO (R_MIPS_HI16, /* type */
30ac9238 192 16, /* rightshift */
8a397dad
TS
193 2, /* size (0 = byte, 1 = short, 2 = long) */
194 16, /* bitsize */
b34976b6 195 FALSE, /* pc_relative */
8a397dad
TS
196 0, /* bitpos */
197 complain_overflow_dont, /* complain_on_overflow */
30ac9238 198 _bfd_mips_elf_hi16_reloc, /* special_function */
8a397dad 199 "R_MIPS_HI16", /* name */
b34976b6 200 TRUE, /* partial_inplace */
8a397dad
TS
201 0x0000ffff, /* src_mask */
202 0x0000ffff, /* dst_mask */
b34976b6 203 FALSE), /* pcrel_offset */
8a397dad
TS
204
205 /* Low 16 bits of symbol value. */
206 HOWTO (R_MIPS_LO16, /* type */
207 0, /* rightshift */
208 2, /* size (0 = byte, 1 = short, 2 = long) */
209 16, /* bitsize */
b34976b6 210 FALSE, /* pc_relative */
8a397dad
TS
211 0, /* bitpos */
212 complain_overflow_dont, /* complain_on_overflow */
30ac9238 213 _bfd_mips_elf_lo16_reloc, /* special_function */
8a397dad 214 "R_MIPS_LO16", /* name */
b34976b6 215 TRUE, /* partial_inplace */
8a397dad
TS
216 0x0000ffff, /* src_mask */
217 0x0000ffff, /* dst_mask */
b34976b6 218 FALSE), /* pcrel_offset */
8a397dad
TS
219
220 /* GP relative reference. */
221 HOWTO (R_MIPS_GPREL16, /* type */
222 0, /* rightshift */
223 2, /* size (0 = byte, 1 = short, 2 = long) */
224 16, /* bitsize */
b34976b6 225 FALSE, /* pc_relative */
8a397dad
TS
226 0, /* bitpos */
227 complain_overflow_signed, /* complain_on_overflow */
228 mips_elf_gprel16_reloc, /* special_function */
229 "R_MIPS_GPREL16", /* name */
b34976b6 230 TRUE, /* partial_inplace */
8a397dad
TS
231 0x0000ffff, /* src_mask */
232 0x0000ffff, /* dst_mask */
b34976b6 233 FALSE), /* pcrel_offset */
8a397dad
TS
234
235 /* Reference to literal section. */
236 HOWTO (R_MIPS_LITERAL, /* type */
237 0, /* rightshift */
238 2, /* size (0 = byte, 1 = short, 2 = long) */
239 16, /* bitsize */
b34976b6 240 FALSE, /* pc_relative */
8a397dad
TS
241 0, /* bitpos */
242 complain_overflow_signed, /* complain_on_overflow */
243 mips_elf_literal_reloc, /* special_function */
244 "R_MIPS_LITERAL", /* name */
b34976b6 245 TRUE, /* partial_inplace */
8a397dad
TS
246 0x0000ffff, /* src_mask */
247 0x0000ffff, /* dst_mask */
b34976b6 248 FALSE), /* pcrel_offset */
8a397dad
TS
249
250 /* Reference to global offset table. */
251 HOWTO (R_MIPS_GOT16, /* type */
252 0, /* rightshift */
253 2, /* size (0 = byte, 1 = short, 2 = long) */
254 16, /* bitsize */
b34976b6 255 FALSE, /* pc_relative */
8a397dad
TS
256 0, /* bitpos */
257 complain_overflow_signed, /* complain_on_overflow */
30ac9238 258 _bfd_mips_elf_got16_reloc, /* special_function */
8a397dad 259 "R_MIPS_GOT16", /* name */
b34976b6 260 TRUE, /* partial_inplace */
8a397dad
TS
261 0x0000ffff, /* src_mask */
262 0x0000ffff, /* dst_mask */
b34976b6 263 FALSE), /* pcrel_offset */
8a397dad 264
bad36eac
DJ
265 /* 16 bit PC relative reference. Note that the ABI document has a typo
266 and claims R_MIPS_PC16 to be not rightshifted, rendering it useless.
267 We do the right thing here. */
8a397dad 268 HOWTO (R_MIPS_PC16, /* type */
bad36eac 269 2, /* rightshift */
8a397dad
TS
270 2, /* size (0 = byte, 1 = short, 2 = long) */
271 16, /* bitsize */
b34976b6 272 TRUE, /* pc_relative */
8a397dad
TS
273 0, /* bitpos */
274 complain_overflow_signed, /* complain_on_overflow */
30ac9238 275 _bfd_mips_elf_generic_reloc, /* special_function */
8a397dad 276 "R_MIPS_PC16", /* name */
b34976b6 277 TRUE, /* partial_inplace */
8a397dad
TS
278 0x0000ffff, /* src_mask */
279 0x0000ffff, /* dst_mask */
b34976b6 280 TRUE), /* pcrel_offset */
8a397dad
TS
281
282 /* 16 bit call through global offset table. */
283 HOWTO (R_MIPS_CALL16, /* type */
284 0, /* rightshift */
285 2, /* size (0 = byte, 1 = short, 2 = long) */
286 16, /* bitsize */
b34976b6 287 FALSE, /* pc_relative */
8a397dad
TS
288 0, /* bitpos */
289 complain_overflow_signed, /* complain_on_overflow */
30ac9238 290 _bfd_mips_elf_generic_reloc, /* special_function */
8a397dad 291 "R_MIPS_CALL16", /* name */
b34976b6 292 TRUE, /* partial_inplace */
8a397dad
TS
293 0x0000ffff, /* src_mask */
294 0x0000ffff, /* dst_mask */
b34976b6 295 FALSE), /* pcrel_offset */
8a397dad
TS
296
297 /* 32 bit GP relative reference. */
298 HOWTO (R_MIPS_GPREL32, /* type */
299 0, /* rightshift */
300 2, /* size (0 = byte, 1 = short, 2 = long) */
301 32, /* bitsize */
b34976b6 302 FALSE, /* pc_relative */
8a397dad
TS
303 0, /* bitpos */
304 complain_overflow_dont, /* complain_on_overflow */
305 mips_elf_gprel32_reloc, /* special_function */
306 "R_MIPS_GPREL32", /* name */
b34976b6 307 TRUE, /* partial_inplace */
8a397dad
TS
308 0xffffffff, /* src_mask */
309 0xffffffff, /* dst_mask */
b34976b6 310 FALSE), /* pcrel_offset */
8a397dad
TS
311
312 /* The remaining relocs are defined on Irix 5, although they are
313 not defined by the ABI. */
314 EMPTY_HOWTO (13),
315 EMPTY_HOWTO (14),
316 EMPTY_HOWTO (15),
317
318 /* A 5 bit shift field. */
319 HOWTO (R_MIPS_SHIFT5, /* type */
320 0, /* rightshift */
321 2, /* size (0 = byte, 1 = short, 2 = long) */
322 5, /* bitsize */
b34976b6 323 FALSE, /* pc_relative */
8a397dad
TS
324 6, /* bitpos */
325 complain_overflow_bitfield, /* complain_on_overflow */
30ac9238 326 _bfd_mips_elf_generic_reloc, /* special_function */
8a397dad 327 "R_MIPS_SHIFT5", /* name */
b34976b6 328 TRUE, /* partial_inplace */
8a397dad
TS
329 0x000007c0, /* src_mask */
330 0x000007c0, /* dst_mask */
b34976b6 331 FALSE), /* pcrel_offset */
8a397dad
TS
332
333 /* A 6 bit shift field. */
334 HOWTO (R_MIPS_SHIFT6, /* type */
335 0, /* rightshift */
336 2, /* size (0 = byte, 1 = short, 2 = long) */
337 6, /* bitsize */
b34976b6 338 FALSE, /* pc_relative */
8a397dad
TS
339 6, /* bitpos */
340 complain_overflow_bitfield, /* complain_on_overflow */
341 mips_elf_shift6_reloc, /* special_function */
342 "R_MIPS_SHIFT6", /* name */
b34976b6 343 TRUE, /* partial_inplace */
8a397dad
TS
344 0x000007c4, /* src_mask */
345 0x000007c4, /* dst_mask */
b34976b6 346 FALSE), /* pcrel_offset */
8a397dad
TS
347
348 /* A 64 bit relocation. */
349 HOWTO (R_MIPS_64, /* type */
350 0, /* rightshift */
351 4, /* size (0 = byte, 1 = short, 2 = long) */
352 64, /* bitsize */
b34976b6 353 FALSE, /* pc_relative */
8a397dad
TS
354 0, /* bitpos */
355 complain_overflow_dont, /* complain_on_overflow */
30ac9238 356 _bfd_mips_elf_generic_reloc, /* special_function */
8a397dad 357 "R_MIPS_64", /* name */
b34976b6 358 TRUE, /* partial_inplace */
8a397dad
TS
359 MINUS_ONE, /* src_mask */
360 MINUS_ONE, /* dst_mask */
b34976b6 361 FALSE), /* pcrel_offset */
8a397dad
TS
362
363 /* Displacement in the global offset table. */
364 HOWTO (R_MIPS_GOT_DISP, /* type */
365 0, /* rightshift */
366 2, /* size (0 = byte, 1 = short, 2 = long) */
367 16, /* bitsize */
b34976b6 368 FALSE, /* pc_relative */
8a397dad
TS
369 0, /* bitpos */
370 complain_overflow_signed, /* complain_on_overflow */
30ac9238 371 _bfd_mips_elf_generic_reloc, /* special_function */
8a397dad 372 "R_MIPS_GOT_DISP", /* name */
b34976b6 373 TRUE, /* partial_inplace */
8a397dad
TS
374 0x0000ffff, /* src_mask */
375 0x0000ffff, /* dst_mask */
b34976b6 376 FALSE), /* pcrel_offset */
8a397dad
TS
377
378 /* Displacement to page pointer in the global offset table. */
379 HOWTO (R_MIPS_GOT_PAGE, /* type */
380 0, /* rightshift */
381 2, /* size (0 = byte, 1 = short, 2 = long) */
382 16, /* bitsize */
b34976b6 383 FALSE, /* pc_relative */
8a397dad
TS
384 0, /* bitpos */
385 complain_overflow_signed, /* complain_on_overflow */
30ac9238 386 _bfd_mips_elf_generic_reloc, /* special_function */
8a397dad 387 "R_MIPS_GOT_PAGE", /* name */
b34976b6 388 TRUE, /* partial_inplace */
8a397dad
TS
389 0x0000ffff, /* src_mask */
390 0x0000ffff, /* dst_mask */
b34976b6 391 FALSE), /* pcrel_offset */
8a397dad
TS
392
393 /* Offset from page pointer in the global offset table. */
394 HOWTO (R_MIPS_GOT_OFST, /* type */
395 0, /* rightshift */
396 2, /* size (0 = byte, 1 = short, 2 = long) */
397 16, /* bitsize */
b34976b6 398 FALSE, /* pc_relative */
8a397dad
TS
399 0, /* bitpos */
400 complain_overflow_signed, /* complain_on_overflow */
30ac9238 401 _bfd_mips_elf_generic_reloc, /* special_function */
8a397dad 402 "R_MIPS_GOT_OFST", /* name */
b34976b6 403 TRUE, /* partial_inplace */
8a397dad
TS
404 0x0000ffff, /* src_mask */
405 0x0000ffff, /* dst_mask */
b34976b6 406 FALSE), /* pcrel_offset */
8a397dad
TS
407
408 /* High 16 bits of displacement in global offset table. */
409 HOWTO (R_MIPS_GOT_HI16, /* type */
410 0, /* rightshift */
411 2, /* size (0 = byte, 1 = short, 2 = long) */
412 16, /* bitsize */
b34976b6 413 FALSE, /* pc_relative */
8a397dad
TS
414 0, /* bitpos */
415 complain_overflow_dont, /* complain_on_overflow */
30ac9238 416 _bfd_mips_elf_generic_reloc, /* special_function */
8a397dad 417 "R_MIPS_GOT_HI16", /* name */
b34976b6 418 TRUE, /* partial_inplace */
8a397dad
TS
419 0x0000ffff, /* src_mask */
420 0x0000ffff, /* dst_mask */
b34976b6 421 FALSE), /* pcrel_offset */
8a397dad
TS
422
423 /* Low 16 bits of displacement in global offset table. */
424 HOWTO (R_MIPS_GOT_LO16, /* type */
425 0, /* rightshift */
426 2, /* size (0 = byte, 1 = short, 2 = long) */
427 16, /* bitsize */
b34976b6 428 FALSE, /* pc_relative */
8a397dad
TS
429 0, /* bitpos */
430 complain_overflow_dont, /* complain_on_overflow */
30ac9238 431 _bfd_mips_elf_generic_reloc, /* special_function */
8a397dad 432 "R_MIPS_GOT_LO16", /* name */
b34976b6 433 TRUE, /* partial_inplace */
8a397dad
TS
434 0x0000ffff, /* src_mask */
435 0x0000ffff, /* dst_mask */
b34976b6 436 FALSE), /* pcrel_offset */
8a397dad
TS
437
438 /* 64 bit subtraction. */
439 HOWTO (R_MIPS_SUB, /* type */
440 0, /* rightshift */
441 4, /* size (0 = byte, 1 = short, 2 = long) */
442 64, /* bitsize */
b34976b6 443 FALSE, /* pc_relative */
8a397dad
TS
444 0, /* bitpos */
445 complain_overflow_dont, /* complain_on_overflow */
30ac9238 446 _bfd_mips_elf_generic_reloc, /* special_function */
8a397dad 447 "R_MIPS_SUB", /* name */
b34976b6 448 TRUE, /* partial_inplace */
8a397dad
TS
449 MINUS_ONE, /* src_mask */
450 MINUS_ONE, /* dst_mask */
b34976b6 451 FALSE), /* pcrel_offset */
8a397dad
TS
452
453 /* Insert the addend as an instruction. */
454 /* FIXME: Not handled correctly. */
455 HOWTO (R_MIPS_INSERT_A, /* type */
456 0, /* rightshift */
457 2, /* size (0 = byte, 1 = short, 2 = long) */
458 32, /* bitsize */
b34976b6 459 FALSE, /* pc_relative */
8a397dad
TS
460 0, /* bitpos */
461 complain_overflow_dont, /* complain_on_overflow */
30ac9238 462 _bfd_mips_elf_generic_reloc, /* special_function */
8a397dad 463 "R_MIPS_INSERT_A", /* name */
b34976b6 464 TRUE, /* partial_inplace */
8a397dad
TS
465 0xffffffff, /* src_mask */
466 0xffffffff, /* dst_mask */
b34976b6 467 FALSE), /* pcrel_offset */
8a397dad
TS
468
469 /* Insert the addend as an instruction, and change all relocations
470 to refer to the old instruction at the address. */
471 /* FIXME: Not handled correctly. */
472 HOWTO (R_MIPS_INSERT_B, /* type */
473 0, /* rightshift */
474 2, /* size (0 = byte, 1 = short, 2 = long) */
475 32, /* bitsize */
b34976b6 476 FALSE, /* pc_relative */
8a397dad
TS
477 0, /* bitpos */
478 complain_overflow_dont, /* complain_on_overflow */
30ac9238 479 _bfd_mips_elf_generic_reloc, /* special_function */
8a397dad 480 "R_MIPS_INSERT_B", /* name */
b34976b6 481 TRUE, /* partial_inplace */
8a397dad
TS
482 0xffffffff, /* src_mask */
483 0xffffffff, /* dst_mask */
b34976b6 484 FALSE), /* pcrel_offset */
8a397dad
TS
485
486 /* Delete a 32 bit instruction. */
487 /* FIXME: Not handled correctly. */
488 HOWTO (R_MIPS_DELETE, /* type */
489 0, /* rightshift */
490 2, /* size (0 = byte, 1 = short, 2 = long) */
491 32, /* bitsize */
b34976b6 492 FALSE, /* pc_relative */
8a397dad
TS
493 0, /* bitpos */
494 complain_overflow_dont, /* complain_on_overflow */
30ac9238 495 _bfd_mips_elf_generic_reloc, /* special_function */
8a397dad 496 "R_MIPS_DELETE", /* name */
b34976b6 497 TRUE, /* partial_inplace */
8a397dad
TS
498 0xffffffff, /* src_mask */
499 0xffffffff, /* dst_mask */
b34976b6 500 FALSE), /* pcrel_offset */
8a397dad
TS
501
502 /* The MIPS ELF64 ABI Draft wants us to support these for REL relocations.
503 We don't, because
504 a) It means building the addend from a R_MIPS_HIGHEST/R_MIPS_HIGHER/
505 R_MIPS_HI16/R_MIPS_LO16 sequence with varying ordering, using
506 fallable heuristics.
6422fbef 507 b) No other NewABI toolchain actually emits such relocations. */
8a397dad
TS
508 EMPTY_HOWTO (R_MIPS_HIGHER),
509 EMPTY_HOWTO (R_MIPS_HIGHEST),
510
511 /* High 16 bits of displacement in global offset table. */
512 HOWTO (R_MIPS_CALL_HI16, /* type */
513 0, /* rightshift */
514 2, /* size (0 = byte, 1 = short, 2 = long) */
515 16, /* bitsize */
b34976b6 516 FALSE, /* pc_relative */
8a397dad
TS
517 0, /* bitpos */
518 complain_overflow_dont, /* complain_on_overflow */
30ac9238 519 _bfd_mips_elf_generic_reloc, /* special_function */
8a397dad 520 "R_MIPS_CALL_HI16", /* name */
b34976b6 521 TRUE, /* partial_inplace */
8a397dad
TS
522 0x0000ffff, /* src_mask */
523 0x0000ffff, /* dst_mask */
b34976b6 524 FALSE), /* pcrel_offset */
8a397dad
TS
525
526 /* Low 16 bits of displacement in global offset table. */
527 HOWTO (R_MIPS_CALL_LO16, /* type */
528 0, /* rightshift */
529 2, /* size (0 = byte, 1 = short, 2 = long) */
530 16, /* bitsize */
b34976b6 531 FALSE, /* pc_relative */
8a397dad
TS
532 0, /* bitpos */
533 complain_overflow_dont, /* complain_on_overflow */
30ac9238 534 _bfd_mips_elf_generic_reloc, /* special_function */
8a397dad 535 "R_MIPS_CALL_LO16", /* name */
b34976b6 536 TRUE, /* partial_inplace */
8a397dad
TS
537 0x0000ffff, /* src_mask */
538 0x0000ffff, /* dst_mask */
b34976b6 539 FALSE), /* pcrel_offset */
8a397dad
TS
540
541 /* Section displacement. */
542 HOWTO (R_MIPS_SCN_DISP, /* type */
543 0, /* rightshift */
544 2, /* size (0 = byte, 1 = short, 2 = long) */
545 32, /* bitsize */
b34976b6 546 FALSE, /* pc_relative */
8a397dad
TS
547 0, /* bitpos */
548 complain_overflow_dont, /* complain_on_overflow */
30ac9238 549 _bfd_mips_elf_generic_reloc, /* special_function */
8a397dad 550 "R_MIPS_SCN_DISP", /* name */
b34976b6 551 TRUE, /* partial_inplace */
8a397dad
TS
552 0xffffffff, /* src_mask */
553 0xffffffff, /* dst_mask */
b34976b6 554 FALSE), /* pcrel_offset */
8a397dad
TS
555
556 HOWTO (R_MIPS_REL16, /* type */
557 0, /* rightshift */
558 1, /* size (0 = byte, 1 = short, 2 = long) */
559 16, /* bitsize */
b34976b6 560 FALSE, /* pc_relative */
8a397dad
TS
561 0, /* bitpos */
562 complain_overflow_signed, /* complain_on_overflow */
30ac9238 563 _bfd_mips_elf_generic_reloc, /* special_function */
8a397dad 564 "R_MIPS_REL16", /* name */
b34976b6 565 TRUE, /* partial_inplace */
8a397dad
TS
566 0xffff, /* src_mask */
567 0xffff, /* dst_mask */
b34976b6 568 FALSE), /* pcrel_offset */
8a397dad
TS
569
570 /* These two are obsolete. */
571 EMPTY_HOWTO (R_MIPS_ADD_IMMEDIATE),
572 EMPTY_HOWTO (R_MIPS_PJUMP),
573
574 /* Similiar to R_MIPS_REL32, but used for relocations in a GOT section.
575 It must be used for multigot GOT's (and only there). */
576 HOWTO (R_MIPS_RELGOT, /* type */
577 0, /* rightshift */
578 2, /* size (0 = byte, 1 = short, 2 = long) */
579 32, /* bitsize */
b34976b6 580 FALSE, /* pc_relative */
8a397dad
TS
581 0, /* bitpos */
582 complain_overflow_dont, /* complain_on_overflow */
30ac9238 583 _bfd_mips_elf_generic_reloc, /* special_function */
8a397dad 584 "R_MIPS_RELGOT", /* name */
b34976b6 585 TRUE, /* partial_inplace */
8a397dad
TS
586 0xffffffff, /* src_mask */
587 0xffffffff, /* dst_mask */
b34976b6 588 FALSE), /* pcrel_offset */
8a397dad
TS
589
590 /* Protected jump conversion. This is an optimization hint. No
591 relocation is required for correctness. */
592 HOWTO (R_MIPS_JALR, /* type */
593 0, /* rightshift */
594 2, /* size (0 = byte, 1 = short, 2 = long) */
595 32, /* bitsize */
b34976b6 596 FALSE, /* pc_relative */
8a397dad
TS
597 0, /* bitpos */
598 complain_overflow_dont, /* complain_on_overflow */
30ac9238 599 _bfd_mips_elf_generic_reloc, /* special_function */
8a397dad 600 "R_MIPS_JALR", /* name */
b34976b6 601 FALSE, /* partial_inplace */
8a397dad
TS
602 0x00000000, /* src_mask */
603 0x00000000, /* dst_mask */
b34976b6 604 FALSE), /* pcrel_offset */
0f20cc35
DJ
605
606 /* TLS GD/LD dynamic relocations. */
607 HOWTO (R_MIPS_TLS_DTPMOD32, /* type */
608 0, /* rightshift */
609 2, /* size (0 = byte, 1 = short, 2 = long) */
610 32, /* bitsize */
611 FALSE, /* pc_relative */
612 0, /* bitpos */
613 complain_overflow_dont, /* complain_on_overflow */
614 _bfd_mips_elf_generic_reloc, /* special_function */
615 "R_MIPS_TLS_DTPMOD32", /* name */
616 TRUE, /* partial_inplace */
617 0xffffffff, /* src_mask */
618 0xffffffff, /* dst_mask */
619 FALSE), /* pcrel_offset */
620
621 HOWTO (R_MIPS_TLS_DTPREL32, /* type */
622 0, /* rightshift */
623 2, /* size (0 = byte, 1 = short, 2 = long) */
624 32, /* bitsize */
625 FALSE, /* pc_relative */
626 0, /* bitpos */
627 complain_overflow_dont, /* complain_on_overflow */
628 _bfd_mips_elf_generic_reloc, /* special_function */
629 "R_MIPS_TLS_DTPREL32", /* name */
630 TRUE, /* partial_inplace */
631 0xffffffff, /* src_mask */
632 0xffffffff, /* dst_mask */
633 FALSE), /* pcrel_offset */
634
635 EMPTY_HOWTO (R_MIPS_TLS_DTPMOD64),
636 EMPTY_HOWTO (R_MIPS_TLS_DTPREL64),
637
638 /* TLS general dynamic variable reference. */
639 HOWTO (R_MIPS_TLS_GD, /* type */
640 0, /* rightshift */
641 2, /* size (0 = byte, 1 = short, 2 = long) */
642 16, /* bitsize */
643 FALSE, /* pc_relative */
644 0, /* bitpos */
645 complain_overflow_signed, /* complain_on_overflow */
646 _bfd_mips_elf_generic_reloc, /* special_function */
647 "R_MIPS_TLS_GD", /* name */
648 TRUE, /* partial_inplace */
649 0x0000ffff, /* src_mask */
650 0x0000ffff, /* dst_mask */
651 FALSE), /* pcrel_offset */
652
653 /* TLS local dynamic variable reference. */
654 HOWTO (R_MIPS_TLS_LDM, /* type */
655 0, /* rightshift */
656 2, /* size (0 = byte, 1 = short, 2 = long) */
657 16, /* bitsize */
658 FALSE, /* pc_relative */
659 0, /* bitpos */
660 complain_overflow_signed, /* complain_on_overflow */
661 _bfd_mips_elf_generic_reloc, /* special_function */
662 "R_MIPS_TLS_LDM", /* name */
663 TRUE, /* partial_inplace */
664 0x0000ffff, /* src_mask */
665 0x0000ffff, /* dst_mask */
666 FALSE), /* pcrel_offset */
667
668 /* TLS local dynamic offset. */
669 HOWTO (R_MIPS_TLS_DTPREL_HI16, /* type */
670 0, /* rightshift */
671 2, /* size (0 = byte, 1 = short, 2 = long) */
672 16, /* bitsize */
673 FALSE, /* pc_relative */
674 0, /* bitpos */
675 complain_overflow_signed, /* complain_on_overflow */
676 _bfd_mips_elf_generic_reloc, /* special_function */
677 "R_MIPS_TLS_DTPREL_HI16", /* name */
678 TRUE, /* partial_inplace */
679 0x0000ffff, /* src_mask */
680 0x0000ffff, /* dst_mask */
681 FALSE), /* pcrel_offset */
682
683 /* TLS local dynamic offset. */
684 HOWTO (R_MIPS_TLS_DTPREL_LO16, /* type */
685 0, /* rightshift */
686 2, /* size (0 = byte, 1 = short, 2 = long) */
687 16, /* bitsize */
688 FALSE, /* pc_relative */
689 0, /* bitpos */
690 complain_overflow_signed, /* complain_on_overflow */
691 _bfd_mips_elf_generic_reloc, /* special_function */
692 "R_MIPS_TLS_DTPREL_LO16", /* name */
693 TRUE, /* partial_inplace */
694 0x0000ffff, /* src_mask */
695 0x0000ffff, /* dst_mask */
696 FALSE), /* pcrel_offset */
697
698 /* TLS thread pointer offset. */
699 HOWTO (R_MIPS_TLS_GOTTPREL, /* type */
700 0, /* rightshift */
701 2, /* size (0 = byte, 1 = short, 2 = long) */
702 16, /* bitsize */
703 FALSE, /* pc_relative */
704 0, /* bitpos */
705 complain_overflow_signed, /* complain_on_overflow */
706 _bfd_mips_elf_generic_reloc, /* special_function */
707 "R_MIPS_TLS_GOTTPREL", /* name */
708 TRUE, /* partial_inplace */
709 0x0000ffff, /* src_mask */
710 0x0000ffff, /* dst_mask */
711 FALSE), /* pcrel_offset */
712
713 /* TLS IE dynamic relocations. */
714 HOWTO (R_MIPS_TLS_TPREL32, /* type */
715 0, /* rightshift */
716 2, /* size (0 = byte, 1 = short, 2 = long) */
717 32, /* bitsize */
718 FALSE, /* pc_relative */
719 0, /* bitpos */
720 complain_overflow_dont, /* complain_on_overflow */
721 _bfd_mips_elf_generic_reloc, /* special_function */
722 "R_MIPS_TLS_TPREL32", /* name */
723 TRUE, /* partial_inplace */
724 0xffffffff, /* src_mask */
725 0xffffffff, /* dst_mask */
726 FALSE), /* pcrel_offset */
727
728 EMPTY_HOWTO (R_MIPS_TLS_TPREL64),
729
730 /* TLS thread pointer offset. */
731 HOWTO (R_MIPS_TLS_TPREL_HI16, /* type */
732 0, /* rightshift */
733 2, /* size (0 = byte, 1 = short, 2 = long) */
734 16, /* bitsize */
735 FALSE, /* pc_relative */
736 0, /* bitpos */
737 complain_overflow_signed, /* complain_on_overflow */
738 _bfd_mips_elf_generic_reloc, /* special_function */
739 "R_MIPS_TLS_TPREL_HI16", /* name */
740 TRUE, /* partial_inplace */
741 0x0000ffff, /* src_mask */
742 0x0000ffff, /* dst_mask */
743 FALSE), /* pcrel_offset */
744
745 /* TLS thread pointer offset. */
746 HOWTO (R_MIPS_TLS_TPREL_LO16, /* type */
747 0, /* rightshift */
748 2, /* size (0 = byte, 1 = short, 2 = long) */
749 16, /* bitsize */
750 FALSE, /* pc_relative */
751 0, /* bitpos */
752 complain_overflow_signed, /* complain_on_overflow */
753 _bfd_mips_elf_generic_reloc, /* special_function */
754 "R_MIPS_TLS_TPREL_LO16", /* name */
755 TRUE, /* partial_inplace */
756 0x0000ffff, /* src_mask */
757 0x0000ffff, /* dst_mask */
758 FALSE), /* pcrel_offset */
8a397dad
TS
759};
760
761/* The relocation table used for SHT_RELA sections. */
762
763static reloc_howto_type elf_mips_howto_table_rela[] =
764{
765 /* No relocation. */
766 HOWTO (R_MIPS_NONE, /* type */
767 0, /* rightshift */
768 0, /* size (0 = byte, 1 = short, 2 = long) */
769 0, /* bitsize */
b34976b6 770 FALSE, /* pc_relative */
8a397dad
TS
771 0, /* bitpos */
772 complain_overflow_dont, /* complain_on_overflow */
30ac9238 773 _bfd_mips_elf_generic_reloc, /* special_function */
8a397dad 774 "R_MIPS_NONE", /* name */
b34976b6 775 FALSE, /* partial_inplace */
8a397dad
TS
776 0, /* src_mask */
777 0, /* dst_mask */
b34976b6 778 FALSE), /* pcrel_offset */
8a397dad
TS
779
780 /* 16 bit relocation. */
781 HOWTO (R_MIPS_16, /* type */
782 0, /* rightshift */
783 2, /* size (0 = byte, 1 = short, 2 = long) */
784 16, /* bitsize */
b34976b6 785 FALSE, /* pc_relative */
8a397dad
TS
786 0, /* bitpos */
787 complain_overflow_signed, /* complain_on_overflow */
30ac9238 788 _bfd_mips_elf_generic_reloc, /* special_function */
8a397dad 789 "R_MIPS_16", /* name */
b34976b6 790 FALSE, /* partial_inplace */
8a397dad
TS
791 0, /* src_mask */
792 0x0000, /* dst_mask */
b34976b6 793 FALSE), /* pcrel_offset */
8a397dad
TS
794
795 /* 32 bit relocation. */
796 HOWTO (R_MIPS_32, /* type */
797 0, /* rightshift */
798 2, /* size (0 = byte, 1 = short, 2 = long) */
799 32, /* bitsize */
b34976b6 800 FALSE, /* pc_relative */
8a397dad
TS
801 0, /* bitpos */
802 complain_overflow_dont, /* complain_on_overflow */
30ac9238 803 _bfd_mips_elf_generic_reloc, /* special_function */
8a397dad 804 "R_MIPS_32", /* name */
b34976b6 805 FALSE, /* partial_inplace */
8a397dad
TS
806 0, /* src_mask */
807 0xffffffff, /* dst_mask */
b34976b6 808 FALSE), /* pcrel_offset */
8a397dad
TS
809
810 /* 32 bit symbol relative relocation. */
811 HOWTO (R_MIPS_REL32, /* type */
812 0, /* rightshift */
813 2, /* size (0 = byte, 1 = short, 2 = long) */
814 32, /* bitsize */
b34976b6 815 FALSE, /* pc_relative */
8a397dad
TS
816 0, /* bitpos */
817 complain_overflow_dont, /* complain_on_overflow */
30ac9238 818 _bfd_mips_elf_generic_reloc, /* special_function */
8a397dad 819 "R_MIPS_REL32", /* name */
b34976b6 820 FALSE, /* partial_inplace */
8a397dad
TS
821 0, /* src_mask */
822 0xffffffff, /* dst_mask */
b34976b6 823 FALSE), /* pcrel_offset */
8a397dad
TS
824
825 /* 26 bit jump address. */
826 HOWTO (R_MIPS_26, /* type */
827 2, /* rightshift */
828 2, /* size (0 = byte, 1 = short, 2 = long) */
829 26, /* bitsize */
b34976b6 830 FALSE, /* pc_relative */
8a397dad
TS
831 0, /* bitpos */
832 complain_overflow_dont, /* complain_on_overflow */
833 /* This needs complex overflow
834 detection, because the upper 36
835 bits must match the PC + 4. */
30ac9238 836 _bfd_mips_elf_generic_reloc, /* special_function */
8a397dad 837 "R_MIPS_26", /* name */
b34976b6 838 FALSE, /* partial_inplace */
8a397dad
TS
839 0, /* src_mask */
840 0x03ffffff, /* dst_mask */
b34976b6 841 FALSE), /* pcrel_offset */
8a397dad
TS
842
843 /* High 16 bits of symbol value. */
844 HOWTO (R_MIPS_HI16, /* type */
845 0, /* rightshift */
846 2, /* size (0 = byte, 1 = short, 2 = long) */
847 16, /* bitsize */
b34976b6 848 FALSE, /* pc_relative */
8a397dad
TS
849 0, /* bitpos */
850 complain_overflow_dont, /* complain_on_overflow */
30ac9238 851 _bfd_mips_elf_generic_reloc, /* special_function */
8a397dad 852 "R_MIPS_HI16", /* name */
b34976b6 853 FALSE, /* partial_inplace */
8a397dad
TS
854 0, /* src_mask */
855 0x0000ffff, /* dst_mask */
b34976b6 856 FALSE), /* pcrel_offset */
8a397dad
TS
857
858 /* Low 16 bits of symbol value. */
859 HOWTO (R_MIPS_LO16, /* type */
860 0, /* rightshift */
861 2, /* size (0 = byte, 1 = short, 2 = long) */
862 16, /* bitsize */
b34976b6 863 FALSE, /* pc_relative */
8a397dad
TS
864 0, /* bitpos */
865 complain_overflow_dont, /* complain_on_overflow */
30ac9238 866 _bfd_mips_elf_generic_reloc, /* special_function */
8a397dad 867 "R_MIPS_LO16", /* name */
b34976b6 868 FALSE, /* partial_inplace */
8a397dad
TS
869 0, /* src_mask */
870 0x0000ffff, /* dst_mask */
b34976b6 871 FALSE), /* pcrel_offset */
8a397dad
TS
872
873 /* GP relative reference. */
874 HOWTO (R_MIPS_GPREL16, /* type */
875 0, /* rightshift */
876 2, /* size (0 = byte, 1 = short, 2 = long) */
877 16, /* bitsize */
b34976b6 878 FALSE, /* pc_relative */
8a397dad
TS
879 0, /* bitpos */
880 complain_overflow_signed, /* complain_on_overflow */
881 mips_elf_gprel16_reloc, /* special_function */
882 "R_MIPS_GPREL16", /* name */
b34976b6 883 FALSE, /* partial_inplace */
8a397dad
TS
884 0, /* src_mask */
885 0x0000ffff, /* dst_mask */
b34976b6 886 FALSE), /* pcrel_offset */
8a397dad
TS
887
888 /* Reference to literal section. */
889 HOWTO (R_MIPS_LITERAL, /* type */
890 0, /* rightshift */
891 2, /* size (0 = byte, 1 = short, 2 = long) */
892 16, /* bitsize */
b34976b6 893 FALSE, /* pc_relative */
8a397dad
TS
894 0, /* bitpos */
895 complain_overflow_signed, /* complain_on_overflow */
896 mips_elf_literal_reloc, /* special_function */
897 "R_MIPS_LITERAL", /* name */
b34976b6 898 FALSE, /* partial_inplace */
8a397dad
TS
899 0, /* src_mask */
900 0x0000ffff, /* dst_mask */
b34976b6 901 FALSE), /* pcrel_offset */
8a397dad
TS
902
903 /* Reference to global offset table. */
904 HOWTO (R_MIPS_GOT16, /* type */
905 0, /* rightshift */
906 2, /* size (0 = byte, 1 = short, 2 = long) */
907 16, /* bitsize */
b34976b6 908 FALSE, /* pc_relative */
8a397dad
TS
909 0, /* bitpos */
910 complain_overflow_signed, /* complain_on_overflow */
30ac9238 911 _bfd_mips_elf_generic_reloc, /* special_function */
8a397dad 912 "R_MIPS_GOT16", /* name */
b34976b6 913 FALSE, /* partial_inplace */
8a397dad
TS
914 0, /* src_mask */
915 0x0000ffff, /* dst_mask */
b34976b6 916 FALSE), /* pcrel_offset */
8a397dad 917
bad36eac
DJ
918 /* 16 bit PC relative reference. Note that the ABI document has a typo
919 and claims R_MIPS_PC16 to be not rightshifted, rendering it useless.
920 We do the right thing here. */
8a397dad 921 HOWTO (R_MIPS_PC16, /* type */
bad36eac 922 2, /* rightshift */
8a397dad
TS
923 2, /* size (0 = byte, 1 = short, 2 = long) */
924 16, /* bitsize */
b34976b6 925 TRUE, /* pc_relative */
8a397dad
TS
926 0, /* bitpos */
927 complain_overflow_signed, /* complain_on_overflow */
30ac9238 928 _bfd_mips_elf_generic_reloc, /* special_function */
8a397dad 929 "R_MIPS_PC16", /* name */
b34976b6 930 FALSE, /* partial_inplace */
8a397dad
TS
931 0, /* src_mask */
932 0x0000ffff, /* dst_mask */
b34976b6 933 TRUE), /* pcrel_offset */
8a397dad
TS
934
935 /* 16 bit call through global offset table. */
936 HOWTO (R_MIPS_CALL16, /* type */
937 0, /* rightshift */
938 2, /* size (0 = byte, 1 = short, 2 = long) */
939 16, /* bitsize */
b34976b6 940 FALSE, /* pc_relative */
8a397dad
TS
941 0, /* bitpos */
942 complain_overflow_signed, /* complain_on_overflow */
30ac9238 943 _bfd_mips_elf_generic_reloc, /* special_function */
8a397dad 944 "R_MIPS_CALL16", /* name */
b34976b6 945 FALSE, /* partial_inplace */
8a397dad
TS
946 0, /* src_mask */
947 0x0000ffff, /* dst_mask */
b34976b6 948 FALSE), /* pcrel_offset */
8a397dad
TS
949
950 /* 32 bit GP relative reference. */
951 HOWTO (R_MIPS_GPREL32, /* type */
952 0, /* rightshift */
953 2, /* size (0 = byte, 1 = short, 2 = long) */
954 32, /* bitsize */
b34976b6 955 FALSE, /* pc_relative */
8a397dad
TS
956 0, /* bitpos */
957 complain_overflow_dont, /* complain_on_overflow */
958 mips_elf_gprel32_reloc, /* special_function */
959 "R_MIPS_GPREL32", /* name */
b34976b6 960 FALSE, /* partial_inplace */
8a397dad
TS
961 0, /* src_mask */
962 0xffffffff, /* dst_mask */
b34976b6 963 FALSE), /* pcrel_offset */
8a397dad
TS
964
965 EMPTY_HOWTO (13),
966 EMPTY_HOWTO (14),
967 EMPTY_HOWTO (15),
968
969 /* A 5 bit shift field. */
970 HOWTO (R_MIPS_SHIFT5, /* type */
971 0, /* rightshift */
972 2, /* size (0 = byte, 1 = short, 2 = long) */
973 5, /* bitsize */
b34976b6 974 FALSE, /* pc_relative */
8a397dad
TS
975 6, /* bitpos */
976 complain_overflow_bitfield, /* complain_on_overflow */
30ac9238 977 _bfd_mips_elf_generic_reloc, /* special_function */
8a397dad 978 "R_MIPS_SHIFT5", /* name */
b34976b6 979 FALSE, /* partial_inplace */
8a397dad
TS
980 0, /* src_mask */
981 0x000007c0, /* dst_mask */
b34976b6 982 FALSE), /* pcrel_offset */
8a397dad
TS
983
984 /* A 6 bit shift field. */
985 HOWTO (R_MIPS_SHIFT6, /* type */
986 0, /* rightshift */
987 2, /* size (0 = byte, 1 = short, 2 = long) */
988 6, /* bitsize */
b34976b6 989 FALSE, /* pc_relative */
8a397dad
TS
990 6, /* bitpos */
991 complain_overflow_bitfield, /* complain_on_overflow */
992 mips_elf_shift6_reloc, /* special_function */
993 "R_MIPS_SHIFT6", /* name */
b34976b6 994 FALSE, /* partial_inplace */
8a397dad
TS
995 0, /* src_mask */
996 0x000007c4, /* dst_mask */
b34976b6 997 FALSE), /* pcrel_offset */
8a397dad
TS
998
999 /* 64 bit relocation. */
1000 HOWTO (R_MIPS_64, /* type */
1001 0, /* rightshift */
1002 4, /* size (0 = byte, 1 = short, 2 = long) */
1003 64, /* bitsize */
b34976b6 1004 FALSE, /* pc_relative */
8a397dad
TS
1005 0, /* bitpos */
1006 complain_overflow_dont, /* complain_on_overflow */
30ac9238 1007 _bfd_mips_elf_generic_reloc, /* special_function */
8a397dad 1008 "R_MIPS_64", /* name */
b34976b6 1009 FALSE, /* partial_inplace */
8a397dad
TS
1010 0, /* src_mask */
1011 MINUS_ONE, /* dst_mask */
b34976b6 1012 FALSE), /* pcrel_offset */
8a397dad
TS
1013
1014 /* Displacement in the global offset table. */
1015 HOWTO (R_MIPS_GOT_DISP, /* type */
1016 0, /* rightshift */
1017 2, /* size (0 = byte, 1 = short, 2 = long) */
1018 16, /* bitsize */
b34976b6 1019 FALSE, /* pc_relative */
8a397dad
TS
1020 0, /* bitpos */
1021 complain_overflow_signed, /* complain_on_overflow */
30ac9238 1022 _bfd_mips_elf_generic_reloc, /* special_function */
8a397dad 1023 "R_MIPS_GOT_DISP", /* name */
b34976b6 1024 FALSE, /* partial_inplace */
8a397dad
TS
1025 0, /* src_mask */
1026 0x0000ffff, /* dst_mask */
b34976b6 1027 FALSE), /* pcrel_offset */
8a397dad
TS
1028
1029 /* Displacement to page pointer in the global offset table. */
1030 HOWTO (R_MIPS_GOT_PAGE, /* type */
1031 0, /* rightshift */
1032 2, /* size (0 = byte, 1 = short, 2 = long) */
1033 16, /* bitsize */
b34976b6 1034 FALSE, /* pc_relative */
8a397dad
TS
1035 0, /* bitpos */
1036 complain_overflow_signed, /* complain_on_overflow */
30ac9238 1037 _bfd_mips_elf_generic_reloc, /* special_function */
8a397dad 1038 "R_MIPS_GOT_PAGE", /* name */
b34976b6 1039 FALSE, /* partial_inplace */
8a397dad
TS
1040 0, /* src_mask */
1041 0x0000ffff, /* dst_mask */
b34976b6 1042 FALSE), /* pcrel_offset */
8a397dad
TS
1043
1044 /* Offset from page pointer in the global offset table. */
1045 HOWTO (R_MIPS_GOT_OFST, /* type */
1046 0, /* rightshift */
1047 2, /* size (0 = byte, 1 = short, 2 = long) */
1048 16, /* bitsize */
b34976b6 1049 FALSE, /* pc_relative */
8a397dad
TS
1050 0, /* bitpos */
1051 complain_overflow_signed, /* complain_on_overflow */
30ac9238 1052 _bfd_mips_elf_generic_reloc, /* special_function */
8a397dad 1053 "R_MIPS_GOT_OFST", /* name */
b34976b6 1054 FALSE, /* partial_inplace */
8a397dad
TS
1055 0, /* src_mask */
1056 0x0000ffff, /* dst_mask */
b34976b6 1057 FALSE), /* pcrel_offset */
8a397dad
TS
1058
1059 /* High 16 bits of displacement in global offset table. */
1060 HOWTO (R_MIPS_GOT_HI16, /* type */
1061 0, /* rightshift */
1062 2, /* size (0 = byte, 1 = short, 2 = long) */
1063 16, /* bitsize */
b34976b6 1064 FALSE, /* pc_relative */
8a397dad
TS
1065 0, /* bitpos */
1066 complain_overflow_dont, /* complain_on_overflow */
30ac9238 1067 _bfd_mips_elf_generic_reloc, /* special_function */
8a397dad 1068 "R_MIPS_GOT_HI16", /* name */
b34976b6 1069 FALSE, /* partial_inplace */
8a397dad
TS
1070 0, /* src_mask */
1071 0x0000ffff, /* dst_mask */
b34976b6 1072 FALSE), /* pcrel_offset */
8a397dad
TS
1073
1074 /* Low 16 bits of displacement in global offset table. */
1075 HOWTO (R_MIPS_GOT_LO16, /* type */
1076 0, /* rightshift */
1077 2, /* size (0 = byte, 1 = short, 2 = long) */
1078 16, /* bitsize */
b34976b6 1079 FALSE, /* pc_relative */
8a397dad
TS
1080 0, /* bitpos */
1081 complain_overflow_dont, /* complain_on_overflow */
30ac9238 1082 _bfd_mips_elf_generic_reloc, /* special_function */
8a397dad 1083 "R_MIPS_GOT_LO16", /* name */
b34976b6 1084 FALSE, /* partial_inplace */
8a397dad
TS
1085 0, /* src_mask */
1086 0x0000ffff, /* dst_mask */
b34976b6 1087 FALSE), /* pcrel_offset */
8a397dad 1088
4cc11e76 1089 /* 64 bit subtraction. */
8a397dad
TS
1090 HOWTO (R_MIPS_SUB, /* type */
1091 0, /* rightshift */
1092 4, /* size (0 = byte, 1 = short, 2 = long) */
1093 64, /* bitsize */
b34976b6 1094 FALSE, /* pc_relative */
8a397dad
TS
1095 0, /* bitpos */
1096 complain_overflow_dont, /* complain_on_overflow */
30ac9238 1097 _bfd_mips_elf_generic_reloc, /* special_function */
8a397dad 1098 "R_MIPS_SUB", /* name */
b34976b6 1099 FALSE, /* partial_inplace */
8a397dad
TS
1100 0, /* src_mask */
1101 MINUS_ONE, /* dst_mask */
b34976b6 1102 FALSE), /* pcrel_offset */
8a397dad
TS
1103
1104 /* Insert the addend as an instruction. */
1105 /* FIXME: Not handled correctly. */
1106 HOWTO (R_MIPS_INSERT_A, /* type */
1107 0, /* rightshift */
1108 2, /* size (0 = byte, 1 = short, 2 = long) */
1109 32, /* bitsize */
b34976b6 1110 FALSE, /* pc_relative */
8a397dad
TS
1111 0, /* bitpos */
1112 complain_overflow_dont, /* complain_on_overflow */
30ac9238 1113 _bfd_mips_elf_generic_reloc, /* special_function */
8a397dad 1114 "R_MIPS_INSERT_A", /* name */
b34976b6 1115 FALSE, /* partial_inplace */
8a397dad
TS
1116 0, /* src_mask */
1117 0xffffffff, /* dst_mask */
b34976b6 1118 FALSE), /* pcrel_offset */
8a397dad
TS
1119
1120 /* Insert the addend as an instruction, and change all relocations
1121 to refer to the old instruction at the address. */
1122 /* FIXME: Not handled correctly. */
1123 HOWTO (R_MIPS_INSERT_B, /* type */
1124 0, /* rightshift */
1125 2, /* size (0 = byte, 1 = short, 2 = long) */
1126 32, /* bitsize */
b34976b6 1127 FALSE, /* pc_relative */
8a397dad
TS
1128 0, /* bitpos */
1129 complain_overflow_dont, /* complain_on_overflow */
30ac9238 1130 _bfd_mips_elf_generic_reloc, /* special_function */
8a397dad 1131 "R_MIPS_INSERT_B", /* name */
b34976b6 1132 FALSE, /* partial_inplace */
8a397dad
TS
1133 0, /* src_mask */
1134 0xffffffff, /* dst_mask */
b34976b6 1135 FALSE), /* pcrel_offset */
8a397dad
TS
1136
1137 /* Delete a 32 bit instruction. */
1138 /* FIXME: Not handled correctly. */
1139 HOWTO (R_MIPS_DELETE, /* type */
1140 0, /* rightshift */
1141 2, /* size (0 = byte, 1 = short, 2 = long) */
1142 32, /* bitsize */
b34976b6 1143 FALSE, /* pc_relative */
8a397dad
TS
1144 0, /* bitpos */
1145 complain_overflow_dont, /* complain_on_overflow */
30ac9238 1146 _bfd_mips_elf_generic_reloc, /* special_function */
8a397dad 1147 "R_MIPS_DELETE", /* name */
b34976b6 1148 FALSE, /* partial_inplace */
8a397dad
TS
1149 0, /* src_mask */
1150 0xffffffff, /* dst_mask */
b34976b6 1151 FALSE), /* pcrel_offset */
8a397dad
TS
1152
1153 /* Get the higher value of a 64 bit addend. */
1154 HOWTO (R_MIPS_HIGHER, /* type */
1155 0, /* rightshift */
1156 2, /* size (0 = byte, 1 = short, 2 = long) */
1157 16, /* bitsize */
b34976b6 1158 FALSE, /* pc_relative */
8a397dad
TS
1159 0, /* bitpos */
1160 complain_overflow_dont, /* complain_on_overflow */
30ac9238 1161 _bfd_mips_elf_generic_reloc, /* special_function */
8a397dad 1162 "R_MIPS_HIGHER", /* name */
b34976b6 1163 FALSE, /* partial_inplace */
8a397dad
TS
1164 0, /* src_mask */
1165 0x0000ffff, /* dst_mask */
b34976b6 1166 FALSE), /* pcrel_offset */
8a397dad
TS
1167
1168 /* Get the highest value of a 64 bit addend. */
1169 HOWTO (R_MIPS_HIGHEST, /* type */
1170 0, /* rightshift */
1171 2, /* size (0 = byte, 1 = short, 2 = long) */
1172 16, /* bitsize */
b34976b6 1173 FALSE, /* pc_relative */
8a397dad
TS
1174 0, /* bitpos */
1175 complain_overflow_dont, /* complain_on_overflow */
30ac9238 1176 _bfd_mips_elf_generic_reloc, /* special_function */
8a397dad 1177 "R_MIPS_HIGHEST", /* name */
b34976b6 1178 FALSE, /* partial_inplace */
8a397dad
TS
1179 0, /* src_mask */
1180 0x0000ffff, /* dst_mask */
b34976b6 1181 FALSE), /* pcrel_offset */
8a397dad
TS
1182
1183 /* High 16 bits of displacement in global offset table. */
1184 HOWTO (R_MIPS_CALL_HI16, /* type */
1185 0, /* rightshift */
1186 2, /* size (0 = byte, 1 = short, 2 = long) */
1187 16, /* bitsize */
b34976b6 1188 FALSE, /* pc_relative */
8a397dad
TS
1189 0, /* bitpos */
1190 complain_overflow_dont, /* complain_on_overflow */
30ac9238 1191 _bfd_mips_elf_generic_reloc, /* special_function */
8a397dad 1192 "R_MIPS_CALL_HI16", /* name */
b34976b6 1193 FALSE, /* partial_inplace */
8a397dad
TS
1194 0, /* src_mask */
1195 0x0000ffff, /* dst_mask */
b34976b6 1196 FALSE), /* pcrel_offset */
8a397dad
TS
1197
1198 /* Low 16 bits of displacement in global offset table. */
1199 HOWTO (R_MIPS_CALL_LO16, /* type */
1200 0, /* rightshift */
1201 2, /* size (0 = byte, 1 = short, 2 = long) */
1202 16, /* bitsize */
b34976b6 1203 FALSE, /* pc_relative */
8a397dad
TS
1204 0, /* bitpos */
1205 complain_overflow_dont, /* complain_on_overflow */
30ac9238 1206 _bfd_mips_elf_generic_reloc, /* special_function */
8a397dad 1207 "R_MIPS_CALL_LO16", /* name */
b34976b6 1208 FALSE, /* partial_inplace */
8a397dad
TS
1209 0, /* src_mask */
1210 0x0000ffff, /* dst_mask */
b34976b6 1211 FALSE), /* pcrel_offset */
8a397dad
TS
1212
1213 /* Section displacement, used by an associated event location section. */
1214 HOWTO (R_MIPS_SCN_DISP, /* type */
1215 0, /* rightshift */
1216 2, /* size (0 = byte, 1 = short, 2 = long) */
1217 32, /* bitsize */
b34976b6 1218 FALSE, /* pc_relative */
8a397dad
TS
1219 0, /* bitpos */
1220 complain_overflow_dont, /* complain_on_overflow */
30ac9238 1221 _bfd_mips_elf_generic_reloc, /* special_function */
8a397dad 1222 "R_MIPS_SCN_DISP", /* name */
b34976b6 1223 FALSE, /* partial_inplace */
8a397dad
TS
1224 0, /* src_mask */
1225 0xffffffff, /* dst_mask */
b34976b6 1226 FALSE), /* pcrel_offset */
8a397dad
TS
1227
1228 /* 16 bit relocation. */
1229 HOWTO (R_MIPS_REL16, /* type */
1230 0, /* rightshift */
1231 1, /* size (0 = byte, 1 = short, 2 = long) */
1232 16, /* bitsize */
b34976b6 1233 FALSE, /* pc_relative */
8a397dad
TS
1234 0, /* bitpos */
1235 complain_overflow_signed, /* complain_on_overflow */
30ac9238 1236 _bfd_mips_elf_generic_reloc, /* special_function */
8a397dad 1237 "R_MIPS_REL16", /* name */
b34976b6 1238 FALSE, /* partial_inplace */
8a397dad
TS
1239 0, /* src_mask */
1240 0xffff, /* dst_mask */
b34976b6 1241 FALSE), /* pcrel_offset */
8a397dad
TS
1242
1243 /* These two are obsolete. */
1244 EMPTY_HOWTO (R_MIPS_ADD_IMMEDIATE),
1245 EMPTY_HOWTO (R_MIPS_PJUMP),
1246
1247 /* Similiar to R_MIPS_REL32, but used for relocations in a GOT section.
1248 It must be used for multigot GOT's (and only there). */
1249 HOWTO (R_MIPS_RELGOT, /* type */
1250 0, /* rightshift */
1251 2, /* size (0 = byte, 1 = short, 2 = long) */
1252 32, /* bitsize */
b34976b6 1253 FALSE, /* pc_relative */
8a397dad
TS
1254 0, /* bitpos */
1255 complain_overflow_dont, /* complain_on_overflow */
30ac9238 1256 _bfd_mips_elf_generic_reloc, /* special_function */
8a397dad 1257 "R_MIPS_RELGOT", /* name */
b34976b6 1258 FALSE, /* partial_inplace */
8a397dad
TS
1259 0, /* src_mask */
1260 0xffffffff, /* dst_mask */
b34976b6 1261 FALSE), /* pcrel_offset */
8a397dad
TS
1262
1263 /* Protected jump conversion. This is an optimization hint. No
1264 relocation is required for correctness. */
1265 HOWTO (R_MIPS_JALR, /* type */
1266 0, /* rightshift */
1267 2, /* size (0 = byte, 1 = short, 2 = long) */
1268 32, /* bitsize */
b34976b6 1269 FALSE, /* pc_relative */
8a397dad
TS
1270 0, /* bitpos */
1271 complain_overflow_dont, /* complain_on_overflow */
30ac9238 1272 _bfd_mips_elf_generic_reloc, /* special_function */
8a397dad 1273 "R_MIPS_JALR", /* name */
b34976b6 1274 FALSE, /* partial_inplace */
8a397dad 1275 0, /* src_mask */
74f79d8d 1276 0, /* dst_mask */
b34976b6 1277 FALSE), /* pcrel_offset */
0f20cc35
DJ
1278
1279 /* TLS GD/LD dynamic relocations. */
1280 HOWTO (R_MIPS_TLS_DTPMOD32, /* type */
1281 0, /* rightshift */
1282 2, /* size (0 = byte, 1 = short, 2 = long) */
1283 32, /* bitsize */
1284 FALSE, /* pc_relative */
1285 0, /* bitpos */
1286 complain_overflow_dont, /* complain_on_overflow */
1287 _bfd_mips_elf_generic_reloc, /* special_function */
1288 "R_MIPS_TLS_DTPMOD32", /* name */
1289 TRUE, /* partial_inplace */
1290 0xffffffff, /* src_mask */
1291 0xffffffff, /* dst_mask */
1292 FALSE), /* pcrel_offset */
1293
1294 HOWTO (R_MIPS_TLS_DTPREL32, /* type */
1295 0, /* rightshift */
1296 2, /* size (0 = byte, 1 = short, 2 = long) */
1297 32, /* bitsize */
1298 FALSE, /* pc_relative */
1299 0, /* bitpos */
1300 complain_overflow_dont, /* complain_on_overflow */
1301 _bfd_mips_elf_generic_reloc, /* special_function */
1302 "R_MIPS_TLS_DTPREL32", /* name */
1303 TRUE, /* partial_inplace */
1304 0xffffffff, /* src_mask */
1305 0xffffffff, /* dst_mask */
1306 FALSE), /* pcrel_offset */
1307
1308 EMPTY_HOWTO (R_MIPS_TLS_DTPMOD64),
1309 EMPTY_HOWTO (R_MIPS_TLS_DTPREL64),
1310
1311 /* TLS general dynamic variable reference. */
1312 HOWTO (R_MIPS_TLS_GD, /* type */
1313 0, /* rightshift */
1314 2, /* size (0 = byte, 1 = short, 2 = long) */
1315 16, /* bitsize */
1316 FALSE, /* pc_relative */
1317 0, /* bitpos */
1318 complain_overflow_signed, /* complain_on_overflow */
1319 _bfd_mips_elf_generic_reloc, /* special_function */
1320 "R_MIPS_TLS_GD", /* name */
1321 TRUE, /* partial_inplace */
1322 0x0000ffff, /* src_mask */
1323 0x0000ffff, /* dst_mask */
1324 FALSE), /* pcrel_offset */
1325
1326 /* TLS local dynamic variable reference. */
1327 HOWTO (R_MIPS_TLS_LDM, /* type */
1328 0, /* rightshift */
1329 2, /* size (0 = byte, 1 = short, 2 = long) */
1330 16, /* bitsize */
1331 FALSE, /* pc_relative */
1332 0, /* bitpos */
1333 complain_overflow_signed, /* complain_on_overflow */
1334 _bfd_mips_elf_generic_reloc, /* special_function */
1335 "R_MIPS_TLS_LDM", /* name */
1336 TRUE, /* partial_inplace */
1337 0x0000ffff, /* src_mask */
1338 0x0000ffff, /* dst_mask */
1339 FALSE), /* pcrel_offset */
1340
1341 /* TLS local dynamic offset. */
1342 HOWTO (R_MIPS_TLS_DTPREL_HI16, /* type */
1343 0, /* rightshift */
1344 2, /* size (0 = byte, 1 = short, 2 = long) */
1345 16, /* bitsize */
1346 FALSE, /* pc_relative */
1347 0, /* bitpos */
1348 complain_overflow_signed, /* complain_on_overflow */
1349 _bfd_mips_elf_generic_reloc, /* special_function */
1350 "R_MIPS_TLS_DTPREL_HI16", /* name */
1351 TRUE, /* partial_inplace */
1352 0x0000ffff, /* src_mask */
1353 0x0000ffff, /* dst_mask */
1354 FALSE), /* pcrel_offset */
1355
1356 /* TLS local dynamic offset. */
1357 HOWTO (R_MIPS_TLS_DTPREL_LO16, /* type */
1358 0, /* rightshift */
1359 2, /* size (0 = byte, 1 = short, 2 = long) */
1360 16, /* bitsize */
1361 FALSE, /* pc_relative */
1362 0, /* bitpos */
1363 complain_overflow_signed, /* complain_on_overflow */
1364 _bfd_mips_elf_generic_reloc, /* special_function */
1365 "R_MIPS_TLS_DTPREL_LO16", /* name */
1366 TRUE, /* partial_inplace */
1367 0x0000ffff, /* src_mask */
1368 0x0000ffff, /* dst_mask */
1369 FALSE), /* pcrel_offset */
1370
1371 /* TLS thread pointer offset. */
1372 HOWTO (R_MIPS_TLS_GOTTPREL, /* type */
1373 0, /* rightshift */
1374 2, /* size (0 = byte, 1 = short, 2 = long) */
1375 16, /* bitsize */
1376 FALSE, /* pc_relative */
1377 0, /* bitpos */
1378 complain_overflow_signed, /* complain_on_overflow */
1379 _bfd_mips_elf_generic_reloc, /* special_function */
1380 "R_MIPS_TLS_GOTTPREL", /* name */
1381 TRUE, /* partial_inplace */
1382 0x0000ffff, /* src_mask */
1383 0x0000ffff, /* dst_mask */
1384 FALSE), /* pcrel_offset */
1385
1386 /* TLS IE dynamic relocations. */
1387 HOWTO (R_MIPS_TLS_TPREL32, /* type */
1388 0, /* rightshift */
1389 2, /* size (0 = byte, 1 = short, 2 = long) */
1390 32, /* bitsize */
1391 FALSE, /* pc_relative */
1392 0, /* bitpos */
1393 complain_overflow_dont, /* complain_on_overflow */
1394 _bfd_mips_elf_generic_reloc, /* special_function */
1395 "R_MIPS_TLS_TPREL32", /* name */
1396 TRUE, /* partial_inplace */
1397 0xffffffff, /* src_mask */
1398 0xffffffff, /* dst_mask */
1399 FALSE), /* pcrel_offset */
1400
1401 EMPTY_HOWTO (R_MIPS_TLS_TPREL64),
1402
1403 /* TLS thread pointer offset. */
1404 HOWTO (R_MIPS_TLS_TPREL_HI16, /* type */
1405 0, /* rightshift */
1406 2, /* size (0 = byte, 1 = short, 2 = long) */
1407 16, /* bitsize */
1408 FALSE, /* pc_relative */
1409 0, /* bitpos */
1410 complain_overflow_signed, /* complain_on_overflow */
1411 _bfd_mips_elf_generic_reloc, /* special_function */
1412 "R_MIPS_TLS_TPREL_HI16", /* name */
1413 TRUE, /* partial_inplace */
1414 0x0000ffff, /* src_mask */
1415 0x0000ffff, /* dst_mask */
1416 FALSE), /* pcrel_offset */
1417
1418 /* TLS thread pointer offset. */
1419 HOWTO (R_MIPS_TLS_TPREL_LO16, /* type */
1420 0, /* rightshift */
1421 2, /* size (0 = byte, 1 = short, 2 = long) */
1422 16, /* bitsize */
1423 FALSE, /* pc_relative */
1424 0, /* bitpos */
1425 complain_overflow_signed, /* complain_on_overflow */
1426 _bfd_mips_elf_generic_reloc, /* special_function */
1427 "R_MIPS_TLS_TPREL_LO16", /* name */
1428 TRUE, /* partial_inplace */
1429 0x0000ffff, /* src_mask */
1430 0x0000ffff, /* dst_mask */
1431 FALSE), /* pcrel_offset */
8a397dad
TS
1432};
1433
d6f16593
MR
1434static reloc_howto_type elf_mips16_howto_table_rel[] =
1435{
1436 /* The reloc used for the mips16 jump instruction. */
8a397dad
TS
1437 HOWTO (R_MIPS16_26, /* type */
1438 2, /* rightshift */
1439 2, /* size (0 = byte, 1 = short, 2 = long) */
1440 26, /* bitsize */
b34976b6 1441 FALSE, /* pc_relative */
8a397dad
TS
1442 0, /* bitpos */
1443 complain_overflow_dont, /* complain_on_overflow */
1444 /* This needs complex overflow
1445 detection, because the upper four
1446 bits must match the PC. */
1447 mips16_jump_reloc, /* special_function */
1448 "R_MIPS16_26", /* name */
b34976b6 1449 TRUE, /* partial_inplace */
8a397dad
TS
1450 0x3ffffff, /* src_mask */
1451 0x3ffffff, /* dst_mask */
d6f16593 1452 FALSE), /* pcrel_offset */
8a397dad 1453
d6f16593 1454 /* The reloc used for the mips16 gprel instruction. */
8a397dad
TS
1455 HOWTO (R_MIPS16_GPREL, /* type */
1456 0, /* rightshift */
1457 2, /* size (0 = byte, 1 = short, 2 = long) */
1458 16, /* bitsize */
b34976b6 1459 FALSE, /* pc_relative */
8a397dad
TS
1460 0, /* bitpos */
1461 complain_overflow_signed, /* complain_on_overflow */
1462 mips16_gprel_reloc, /* special_function */
1463 "R_MIPS16_GPREL", /* name */
b34976b6 1464 TRUE, /* partial_inplace */
d6f16593
MR
1465 0x0000ffff, /* src_mask */
1466 0x0000ffff, /* dst_mask */
1467 FALSE), /* pcrel_offset */
1468
1469 /* A placeholder for MIPS16 reference to global offset table. */
1470 EMPTY_HOWTO (R_MIPS16_GOT16),
1471
1472 /* A placeholder for MIPS16 16 bit call through global offset table. */
1473 EMPTY_HOWTO (R_MIPS16_CALL16),
1474
1475 /* MIPS16 high 16 bits of symbol value. */
1476 HOWTO (R_MIPS16_HI16, /* type */
1477 16, /* rightshift */
1478 2, /* size (0 = byte, 1 = short, 2 = long) */
1479 16, /* bitsize */
1480 FALSE, /* pc_relative */
1481 0, /* bitpos */
1482 complain_overflow_dont, /* complain_on_overflow */
1483 _bfd_mips_elf_hi16_reloc, /* special_function */
1484 "R_MIPS16_HI16", /* name */
1485 TRUE, /* partial_inplace */
1486 0x0000ffff, /* src_mask */
1487 0x0000ffff, /* dst_mask */
1488 FALSE), /* pcrel_offset */
1489
1490 /* MIPS16 low 16 bits of symbol value. */
1491 HOWTO (R_MIPS16_LO16, /* type */
1492 0, /* rightshift */
1493 2, /* size (0 = byte, 1 = short, 2 = long) */
1494 16, /* bitsize */
1495 FALSE, /* pc_relative */
1496 0, /* bitpos */
1497 complain_overflow_dont, /* complain_on_overflow */
1498 _bfd_mips_elf_lo16_reloc, /* special_function */
1499 "R_MIPS16_LO16", /* name */
1500 TRUE, /* partial_inplace */
1501 0x0000ffff, /* src_mask */
1502 0x0000ffff, /* dst_mask */
1503 FALSE), /* pcrel_offset */
1504};
1505
1506static reloc_howto_type elf_mips16_howto_table_rela[] =
1507{
1508 /* The reloc used for the mips16 jump instruction. */
1509 HOWTO (R_MIPS16_26, /* type */
1510 2, /* rightshift */
1511 2, /* size (0 = byte, 1 = short, 2 = long) */
1512 26, /* bitsize */
1513 FALSE, /* pc_relative */
1514 0, /* bitpos */
1515 complain_overflow_dont, /* complain_on_overflow */
1516 /* This needs complex overflow
1517 detection, because the upper four
1518 bits must match the PC. */
1519 mips16_jump_reloc, /* special_function */
1520 "R_MIPS16_26", /* name */
1521 FALSE, /* partial_inplace */
1522 0x3ffffff, /* src_mask */
1523 0x3ffffff, /* dst_mask */
1524 FALSE), /* pcrel_offset */
1525
1526 /* The reloc used for the mips16 gprel instruction. */
1527 HOWTO (R_MIPS16_GPREL, /* type */
1528 0, /* rightshift */
1529 2, /* size (0 = byte, 1 = short, 2 = long) */
1530 16, /* bitsize */
1531 FALSE, /* pc_relative */
1532 0, /* bitpos */
1533 complain_overflow_signed, /* complain_on_overflow */
1534 mips16_gprel_reloc, /* special_function */
1535 "R_MIPS16_GPREL", /* name */
1536 FALSE, /* partial_inplace */
1537 0x0000ffff, /* src_mask */
1538 0x0000ffff, /* dst_mask */
1539 FALSE), /* pcrel_offset */
1540
1541 /* A placeholder for MIPS16 reference to global offset table. */
1542 EMPTY_HOWTO (R_MIPS16_GOT16),
1543
1544 /* A placeholder for MIPS16 16 bit call through global offset table. */
1545 EMPTY_HOWTO (R_MIPS16_CALL16),
1546
1547 /* MIPS16 high 16 bits of symbol value. */
1548 HOWTO (R_MIPS16_HI16, /* type */
1549 16, /* rightshift */
1550 2, /* size (0 = byte, 1 = short, 2 = long) */
1551 16, /* bitsize */
1552 FALSE, /* pc_relative */
1553 0, /* bitpos */
1554 complain_overflow_dont, /* complain_on_overflow */
1555 _bfd_mips_elf_hi16_reloc, /* special_function */
1556 "R_MIPS16_HI16", /* name */
1557 FALSE, /* partial_inplace */
1558 0x0000ffff, /* src_mask */
1559 0x0000ffff, /* dst_mask */
1560 FALSE), /* pcrel_offset */
1561
1562 /* MIPS16 low 16 bits of symbol value. */
1563 HOWTO (R_MIPS16_LO16, /* type */
1564 0, /* rightshift */
1565 2, /* size (0 = byte, 1 = short, 2 = long) */
1566 16, /* bitsize */
1567 FALSE, /* pc_relative */
1568 0, /* bitpos */
1569 complain_overflow_dont, /* complain_on_overflow */
1570 _bfd_mips_elf_lo16_reloc, /* special_function */
1571 "R_MIPS16_LO16", /* name */
1572 FALSE, /* partial_inplace */
1573 0x0000ffff, /* src_mask */
1574 0x0000ffff, /* dst_mask */
1575 FALSE), /* pcrel_offset */
1576};
8a397dad
TS
1577
1578/* GNU extension to record C++ vtable hierarchy */
1579static reloc_howto_type elf_mips_gnu_vtinherit_howto =
1580 HOWTO (R_MIPS_GNU_VTINHERIT, /* type */
1581 0, /* rightshift */
1582 2, /* size (0 = byte, 1 = short, 2 = long) */
1583 0, /* bitsize */
b34976b6 1584 FALSE, /* pc_relative */
8a397dad
TS
1585 0, /* bitpos */
1586 complain_overflow_dont, /* complain_on_overflow */
1587 NULL, /* special_function */
1588 "R_MIPS_GNU_VTINHERIT", /* name */
b34976b6 1589 FALSE, /* partial_inplace */
8a397dad
TS
1590 0, /* src_mask */
1591 0, /* dst_mask */
b34976b6 1592 FALSE); /* pcrel_offset */
8a397dad
TS
1593
1594/* GNU extension to record C++ vtable member usage */
1595static reloc_howto_type elf_mips_gnu_vtentry_howto =
1596 HOWTO (R_MIPS_GNU_VTENTRY, /* type */
1597 0, /* rightshift */
1598 2, /* size (0 = byte, 1 = short, 2 = long) */
1599 0, /* bitsize */
b34976b6 1600 FALSE, /* pc_relative */
8a397dad
TS
1601 0, /* bitpos */
1602 complain_overflow_dont, /* complain_on_overflow */
1603 _bfd_elf_rel_vtable_reloc_fn, /* special_function */
1604 "R_MIPS_GNU_VTENTRY", /* name */
b34976b6 1605 FALSE, /* partial_inplace */
8a397dad
TS
1606 0, /* src_mask */
1607 0, /* dst_mask */
b34976b6 1608 FALSE); /* pcrel_offset */
8a397dad 1609\f
d0c728db
TS
1610/* 16 bit offset for pc-relative branches. */
1611static reloc_howto_type elf_mips_gnu_rel16_s2 =
1612 HOWTO (R_MIPS_GNU_REL16_S2, /* type */
1613 2, /* rightshift */
1614 2, /* size (0 = byte, 1 = short, 2 = long) */
1615 16, /* bitsize */
1616 TRUE, /* pc_relative */
1617 0, /* bitpos */
1618 complain_overflow_signed, /* complain_on_overflow */
30ac9238 1619 _bfd_mips_elf_generic_reloc, /* special_function */
d0c728db
TS
1620 "R_MIPS_GNU_REL16_S2", /* name */
1621 TRUE, /* partial_inplace */
1622 0x0000ffff, /* src_mask */
1623 0x0000ffff, /* dst_mask */
1624 TRUE); /* pcrel_offset */
1625
1626/* 16 bit offset for pc-relative branches. */
1627static reloc_howto_type elf_mips_gnu_rela16_s2 =
1628 HOWTO (R_MIPS_GNU_REL16_S2, /* type */
1629 2, /* rightshift */
1630 2, /* size (0 = byte, 1 = short, 2 = long) */
1631 16, /* bitsize */
1632 TRUE, /* pc_relative */
1633 0, /* bitpos */
1634 complain_overflow_signed, /* complain_on_overflow */
30ac9238 1635 _bfd_mips_elf_generic_reloc, /* special_function */
d0c728db
TS
1636 "R_MIPS_GNU_REL16_S2", /* name */
1637 FALSE, /* partial_inplace */
1638 0, /* src_mask */
1639 0x0000ffff, /* dst_mask */
1640 TRUE); /* pcrel_offset */
1641\f
b34976b6 1642/* Set the GP value for OUTPUT_BFD. Returns FALSE if this is a
8a397dad
TS
1643 dangerous relocation. */
1644
b34976b6 1645static bfd_boolean
11a2be4d 1646mips_elf_assign_gp (bfd *output_bfd, bfd_vma *pgp)
8a397dad
TS
1647{
1648 unsigned int count;
1649 asymbol **sym;
1650 unsigned int i;
1651
1652 /* If we've already figured out what GP will be, just return it. */
1653 *pgp = _bfd_get_gp_value (output_bfd);
1654 if (*pgp)
b34976b6 1655 return TRUE;
8a397dad
TS
1656
1657 count = bfd_get_symcount (output_bfd);
1658 sym = bfd_get_outsymbols (output_bfd);
1659
1660 /* The linker script will have created a symbol named `_gp' with the
1661 appropriate value. */
11a2be4d 1662 if (sym == NULL)
8a397dad
TS
1663 i = count;
1664 else
1665 {
1666 for (i = 0; i < count; i++, sym++)
1667 {
1668 register const char *name;
1669
1670 name = bfd_asymbol_name (*sym);
1671 if (*name == '_' && strcmp (name, "_gp") == 0)
1672 {
1673 *pgp = bfd_asymbol_value (*sym);
1674 _bfd_set_gp_value (output_bfd, *pgp);
1675 break;
1676 }
1677 }
1678 }
1679
1680 if (i >= count)
1681 {
1682 /* Only get the error once. */
1683 *pgp = 4;
1684 _bfd_set_gp_value (output_bfd, *pgp);
b34976b6 1685 return FALSE;
8a397dad
TS
1686 }
1687
b34976b6 1688 return TRUE;
8a397dad
TS
1689}
1690
1691/* We have to figure out the gp value, so that we can adjust the
1692 symbol value correctly. We look up the symbol _gp in the output
1693 BFD. If we can't find it, we're stuck. We cache it in the ELF
1694 target data. We don't need to adjust the symbol value for an
1049f94e 1695 external symbol if we are producing relocatable output. */
8a397dad
TS
1696
1697static bfd_reloc_status_type
11a2be4d
RS
1698mips_elf_final_gp (bfd *output_bfd, asymbol *symbol, bfd_boolean relocatable,
1699 char **error_message, bfd_vma *pgp)
8a397dad
TS
1700{
1701 if (bfd_is_und_section (symbol->section)
1049f94e 1702 && ! relocatable)
8a397dad
TS
1703 {
1704 *pgp = 0;
1705 return bfd_reloc_undefined;
1706 }
1707
1708 *pgp = _bfd_get_gp_value (output_bfd);
1709 if (*pgp == 0
1049f94e 1710 && (! relocatable
8a397dad
TS
1711 || (symbol->flags & BSF_SECTION_SYM) != 0))
1712 {
1049f94e 1713 if (relocatable)
8a397dad
TS
1714 {
1715 /* Make up a value. */
a902ee94 1716 *pgp = symbol->section->output_section->vma /*+ 0x4000*/;
8a397dad
TS
1717 _bfd_set_gp_value (output_bfd, *pgp);
1718 }
1719 else if (!mips_elf_assign_gp (output_bfd, pgp))
1720 {
1721 *error_message =
1722 (char *) _("GP relative relocation when _gp not defined");
1723 return bfd_reloc_dangerous;
1724 }
1725 }
1726
1727 return bfd_reloc_ok;
1728}
1729
1730/* Do a R_MIPS_GPREL16 relocation. This is a 16 bit value which must
1731 become the offset from the gp register. */
1732
1733static bfd_reloc_status_type
11a2be4d
RS
1734mips_elf_gprel16_reloc (bfd *abfd ATTRIBUTE_UNUSED, arelent *reloc_entry,
1735 asymbol *symbol, void *data ATTRIBUTE_UNUSED,
1736 asection *input_section, bfd *output_bfd,
1737 char **error_message ATTRIBUTE_UNUSED)
8a397dad 1738{
1049f94e 1739 bfd_boolean relocatable;
8a397dad
TS
1740 bfd_reloc_status_type ret;
1741 bfd_vma gp;
1742
11a2be4d 1743 if (output_bfd != NULL)
1049f94e 1744 relocatable = TRUE;
8a397dad
TS
1745 else
1746 {
1049f94e 1747 relocatable = FALSE;
8a397dad
TS
1748 output_bfd = symbol->section->output_section->owner;
1749 }
1750
1049f94e 1751 ret = mips_elf_final_gp (output_bfd, symbol, relocatable, error_message,
8a397dad
TS
1752 &gp);
1753 if (ret != bfd_reloc_ok)
1754 return ret;
1755
1756 return _bfd_mips_elf_gprel16_with_gp (abfd, symbol, reloc_entry,
1049f94e 1757 input_section, relocatable,
8a397dad
TS
1758 data, gp);
1759}
1760
1761/* Do a R_MIPS_LITERAL relocation. */
1762
1763static bfd_reloc_status_type
11a2be4d
RS
1764mips_elf_literal_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
1765 void *data, asection *input_section, bfd *output_bfd,
1766 char **error_message)
8a397dad 1767{
1049f94e 1768 bfd_boolean relocatable;
8a397dad
TS
1769 bfd_reloc_status_type ret;
1770 bfd_vma gp;
1771
254f0426
MR
1772 /* R_MIPS_LITERAL relocations are defined for local symbols only. */
1773 if (output_bfd != NULL
1774 && (symbol->flags & BSF_SECTION_SYM) == 0
1775 && (symbol->flags & BSF_LOCAL) != 0)
1776 {
1777 *error_message = (char *)
1778 _("literal relocation occurs for an external symbol");
1779 return bfd_reloc_outofrange;
1780 }
1781
8a397dad 1782 /* FIXME: The entries in the .lit8 and .lit4 sections should be merged. */
11a2be4d 1783 if (output_bfd != NULL)
1049f94e 1784 relocatable = TRUE;
8a397dad
TS
1785 else
1786 {
1049f94e 1787 relocatable = FALSE;
8a397dad
TS
1788 output_bfd = symbol->section->output_section->owner;
1789 }
1790
1049f94e 1791 ret = mips_elf_final_gp (output_bfd, symbol, relocatable, error_message,
8a397dad
TS
1792 &gp);
1793 if (ret != bfd_reloc_ok)
1794 return ret;
1795
1796 return _bfd_mips_elf_gprel16_with_gp (abfd, symbol, reloc_entry,
1049f94e 1797 input_section, relocatable,
8a397dad
TS
1798 data, gp);
1799}
1800
1801/* Do a R_MIPS_GPREL32 relocation. This is a 32 bit value which must
1802 become the offset from the gp register. */
1803
1804static bfd_reloc_status_type
11a2be4d
RS
1805mips_elf_gprel32_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
1806 void *data, asection *input_section, bfd *output_bfd,
1807 char **error_message)
8a397dad 1808{
1049f94e 1809 bfd_boolean relocatable;
8a397dad
TS
1810 bfd_reloc_status_type ret;
1811 bfd_vma gp;
1812
a7ebbfdf 1813 /* R_MIPS_GPREL32 relocations are defined for local symbols only. */
11a2be4d 1814 if (output_bfd != NULL
8a397dad 1815 && (symbol->flags & BSF_SECTION_SYM) == 0
a7ebbfdf 1816 && (symbol->flags & BSF_LOCAL) != 0)
8a397dad
TS
1817 {
1818 *error_message = (char *)
1819 _("32bits gp relative relocation occurs for an external symbol");
1820 return bfd_reloc_outofrange;
1821 }
1822
11a2be4d 1823 if (output_bfd != NULL)
8a397dad 1824 {
1049f94e 1825 relocatable = TRUE;
8a397dad
TS
1826 gp = _bfd_get_gp_value (output_bfd);
1827 }
1828 else
1829 {
1049f94e 1830 relocatable = FALSE;
8a397dad
TS
1831 output_bfd = symbol->section->output_section->owner;
1832
1049f94e 1833 ret = mips_elf_final_gp (output_bfd, symbol, relocatable,
8a397dad
TS
1834 error_message, &gp);
1835 if (ret != bfd_reloc_ok)
1836 return ret;
1837 }
1838
1839 return gprel32_with_gp (abfd, symbol, reloc_entry, input_section,
1049f94e 1840 relocatable, data, gp);
8a397dad
TS
1841}
1842
1843static bfd_reloc_status_type
11a2be4d
RS
1844gprel32_with_gp (bfd *abfd, asymbol *symbol, arelent *reloc_entry,
1845 asection *input_section, bfd_boolean relocatable,
1846 void *data, bfd_vma gp)
8a397dad
TS
1847{
1848 bfd_vma relocation;
1849 unsigned long val;
1850
1851 if (bfd_is_com_section (symbol->section))
1852 relocation = 0;
1853 else
1854 relocation = symbol->value;
1855
1856 relocation += symbol->section->output_section->vma;
1857 relocation += symbol->section->output_offset;
1858
07515404 1859 if (reloc_entry->address > bfd_get_section_limit (abfd, input_section))
8a397dad
TS
1860 return bfd_reloc_outofrange;
1861
1862 if (reloc_entry->howto->src_mask == 0)
1863 val = 0;
1864 else
1865 val = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
1866
1867 /* Set val to the offset into the section or symbol. */
1868 val += reloc_entry->addend;
1869
1870 /* Adjust val for the final section location and GP value. If we
1049f94e 1871 are producing relocatable output, we don't want to do this for
8a397dad 1872 an external symbol. */
1049f94e 1873 if (! relocatable
8a397dad
TS
1874 || (symbol->flags & BSF_SECTION_SYM) != 0)
1875 val += relocation - gp;
1876
11a2be4d 1877 bfd_put_32 (abfd, val, (bfd_byte *) data + reloc_entry->address);
8a397dad 1878
1049f94e 1879 if (relocatable)
8a397dad
TS
1880 reloc_entry->address += input_section->output_offset;
1881
1882 return bfd_reloc_ok;
1883}
1884
1885/* Do a R_MIPS_SHIFT6 relocation. The MSB of the shift is stored at bit 2,
1886 the rest is at bits 6-10. The bitpos already got right by the howto. */
1887
1888static bfd_reloc_status_type
30ac9238
RS
1889mips_elf_shift6_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
1890 void *data, asection *input_section, bfd *output_bfd,
1891 char **error_message)
8a397dad 1892{
a7ebbfdf
TS
1893 if (reloc_entry->howto->partial_inplace)
1894 {
1895 reloc_entry->addend = ((reloc_entry->addend & 0x00007c0)
1896 | (reloc_entry->addend & 0x00000800) >> 9);
1897 }
8a397dad 1898
30ac9238
RS
1899 return _bfd_mips_elf_generic_reloc (abfd, reloc_entry, symbol, data,
1900 input_section, output_bfd,
1901 error_message);
8a397dad
TS
1902}
1903\f
1904/* Handle a mips16 jump. */
1905
1906static bfd_reloc_status_type
30ac9238
RS
1907mips16_jump_reloc (bfd *abfd ATTRIBUTE_UNUSED,
1908 arelent *reloc_entry ATTRIBUTE_UNUSED,
1909 asymbol *symbol ATTRIBUTE_UNUSED,
1910 void *data ATTRIBUTE_UNUSED,
1911 asection *input_section, bfd *output_bfd ATTRIBUTE_UNUSED,
11a2be4d 1912 char **error_message ATTRIBUTE_UNUSED)
8a397dad 1913{
b34976b6 1914 static bfd_boolean warned = FALSE;
8a397dad 1915
8a397dad
TS
1916 /* FIXME. */
1917 if (! warned)
1918 (*_bfd_error_handler)
1919 (_("Linking mips16 objects into %s format is not supported"),
1920 bfd_get_target (input_section->output_section->owner));
b34976b6 1921 warned = TRUE;
8a397dad
TS
1922
1923 return bfd_reloc_undefined;
1924}
1925
1926/* Handle a mips16 GP relative reloc. */
1927
1928static bfd_reloc_status_type
11a2be4d
RS
1929mips16_gprel_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
1930 void *data, asection *input_section, bfd *output_bfd,
1931 char **error_message)
8a397dad 1932{
1049f94e 1933 bfd_boolean relocatable;
8a397dad 1934 bfd_reloc_status_type ret;
d6f16593 1935 bfd_byte *location;
8a397dad 1936 bfd_vma gp;
8a397dad 1937
7f05722e
MR
1938 /* If we're relocating, and this is an external symbol, we don't want
1939 to change anything. */
1940 if (output_bfd != NULL
1941 && (symbol->flags & BSF_SECTION_SYM) == 0
1942 && (symbol->flags & BSF_LOCAL) != 0)
1943 {
1944 reloc_entry->address += input_section->output_offset;
1945 return bfd_reloc_ok;
1946 }
1947
8a397dad 1948 if (output_bfd != NULL)
1049f94e 1949 relocatable = TRUE;
8a397dad
TS
1950 else
1951 {
1049f94e 1952 relocatable = FALSE;
8a397dad
TS
1953 output_bfd = symbol->section->output_section->owner;
1954 }
1955
1049f94e 1956 ret = mips_elf_final_gp (output_bfd, symbol, relocatable, error_message,
8a397dad
TS
1957 &gp);
1958 if (ret != bfd_reloc_ok)
1959 return ret;
1960
d6f16593
MR
1961 location = (bfd_byte *) data + reloc_entry->address;
1962 _bfd_mips16_elf_reloc_unshuffle (abfd, reloc_entry->howto->type, FALSE,
1963 location);
1964 ret = _bfd_mips_elf_gprel16_with_gp (abfd, symbol, reloc_entry,
1965 input_section, relocatable,
1966 data, gp);
1967 _bfd_mips16_elf_reloc_shuffle (abfd, reloc_entry->howto->type, !relocatable,
1968 location);
8a397dad 1969
d6f16593 1970 return ret;
8a397dad 1971}
8a397dad
TS
1972\f
1973/* A mapping from BFD reloc types to MIPS ELF reloc types. */
1974
1975struct elf_reloc_map {
1976 bfd_reloc_code_real_type bfd_val;
1977 enum elf_mips_reloc_type elf_val;
1978};
1979
1980static const struct elf_reloc_map mips_reloc_map[] =
1981{
1982 { BFD_RELOC_NONE, R_MIPS_NONE },
1983 { BFD_RELOC_16, R_MIPS_16 },
1984 { BFD_RELOC_32, R_MIPS_32 },
1985 /* There is no BFD reloc for R_MIPS_REL32. */
1986 { BFD_RELOC_CTOR, R_MIPS_32 },
1987 { BFD_RELOC_64, R_MIPS_64 },
bad36eac 1988 { BFD_RELOC_16_PCREL_S2, R_MIPS_PC16 },
8a397dad
TS
1989 { BFD_RELOC_HI16_S, R_MIPS_HI16 },
1990 { BFD_RELOC_LO16, R_MIPS_LO16 },
1991 { BFD_RELOC_GPREL16, R_MIPS_GPREL16 },
1992 { BFD_RELOC_GPREL32, R_MIPS_GPREL32 },
1993 { BFD_RELOC_MIPS_JMP, R_MIPS_26 },
1994 { BFD_RELOC_MIPS_LITERAL, R_MIPS_LITERAL },
1995 { BFD_RELOC_MIPS_GOT16, R_MIPS_GOT16 },
1996 { BFD_RELOC_MIPS_CALL16, R_MIPS_CALL16 },
1997 { BFD_RELOC_MIPS_SHIFT5, R_MIPS_SHIFT5 },
1998 { BFD_RELOC_MIPS_SHIFT6, R_MIPS_SHIFT6 },
1999 { BFD_RELOC_MIPS_GOT_DISP, R_MIPS_GOT_DISP },
2000 { BFD_RELOC_MIPS_GOT_PAGE, R_MIPS_GOT_PAGE },
2001 { BFD_RELOC_MIPS_GOT_OFST, R_MIPS_GOT_OFST },
2002 { BFD_RELOC_MIPS_GOT_HI16, R_MIPS_GOT_HI16 },
2003 { BFD_RELOC_MIPS_GOT_LO16, R_MIPS_GOT_LO16 },
2004 { BFD_RELOC_MIPS_SUB, R_MIPS_SUB },
2005 { BFD_RELOC_MIPS_INSERT_A, R_MIPS_INSERT_A },
2006 { BFD_RELOC_MIPS_INSERT_B, R_MIPS_INSERT_B },
2007 { BFD_RELOC_MIPS_DELETE, R_MIPS_DELETE },
2008 { BFD_RELOC_MIPS_HIGHEST, R_MIPS_HIGHEST },
2009 { BFD_RELOC_MIPS_HIGHER, R_MIPS_HIGHER },
2010 { BFD_RELOC_MIPS_CALL_HI16, R_MIPS_CALL_HI16 },
2011 { BFD_RELOC_MIPS_CALL_LO16, R_MIPS_CALL_LO16 },
2012 { BFD_RELOC_MIPS_SCN_DISP, R_MIPS_SCN_DISP },
2013 { BFD_RELOC_MIPS_REL16, R_MIPS_REL16 },
2014 /* Use of R_MIPS_ADD_IMMEDIATE and R_MIPS_PJUMP is deprecated. */
2015 { BFD_RELOC_MIPS_RELGOT, R_MIPS_RELGOT },
0f20cc35
DJ
2016 { BFD_RELOC_MIPS_JALR, R_MIPS_JALR },
2017 { BFD_RELOC_MIPS_TLS_DTPMOD32, R_MIPS_TLS_DTPMOD32 },
2018 { BFD_RELOC_MIPS_TLS_DTPREL32, R_MIPS_TLS_DTPREL32 },
2019 { BFD_RELOC_MIPS_TLS_DTPMOD64, R_MIPS_TLS_DTPMOD64 },
2020 { BFD_RELOC_MIPS_TLS_DTPREL64, R_MIPS_TLS_DTPREL64 },
2021 { BFD_RELOC_MIPS_TLS_GD, R_MIPS_TLS_GD },
2022 { BFD_RELOC_MIPS_TLS_LDM, R_MIPS_TLS_LDM },
2023 { BFD_RELOC_MIPS_TLS_DTPREL_HI16, R_MIPS_TLS_DTPREL_HI16 },
2024 { BFD_RELOC_MIPS_TLS_DTPREL_LO16, R_MIPS_TLS_DTPREL_LO16 },
2025 { BFD_RELOC_MIPS_TLS_GOTTPREL, R_MIPS_TLS_GOTTPREL },
2026 { BFD_RELOC_MIPS_TLS_TPREL32, R_MIPS_TLS_TPREL32 },
2027 { BFD_RELOC_MIPS_TLS_TPREL64, R_MIPS_TLS_TPREL64 },
2028 { BFD_RELOC_MIPS_TLS_TPREL_HI16, R_MIPS_TLS_TPREL_HI16 },
2029 { BFD_RELOC_MIPS_TLS_TPREL_LO16, R_MIPS_TLS_TPREL_LO16 }
8a397dad
TS
2030};
2031
d6f16593
MR
2032static const struct elf_reloc_map mips16_reloc_map[] =
2033{
2034 { BFD_RELOC_MIPS16_JMP, R_MIPS16_26 - R_MIPS16_min },
2035 { BFD_RELOC_MIPS16_GPREL, R_MIPS16_GPREL - R_MIPS16_min },
2036 { BFD_RELOC_MIPS16_HI16_S, R_MIPS16_HI16 - R_MIPS16_min },
2037 { BFD_RELOC_MIPS16_LO16, R_MIPS16_LO16 - R_MIPS16_min },
2038};
2039
8a397dad
TS
2040/* Given a BFD reloc type, return a howto structure. */
2041
2042static reloc_howto_type *
11a2be4d
RS
2043bfd_elf32_bfd_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
2044 bfd_reloc_code_real_type code)
8a397dad
TS
2045{
2046 unsigned int i;
2047 /* FIXME: We default to RELA here instead of choosing the right
2048 relocation variant. */
2049 reloc_howto_type *howto_table = elf_mips_howto_table_rela;
d6f16593 2050 reloc_howto_type *howto16_table = elf_mips16_howto_table_rela;
8a397dad
TS
2051
2052 for (i = 0; i < sizeof (mips_reloc_map) / sizeof (struct elf_reloc_map);
2053 i++)
2054 {
2055 if (mips_reloc_map[i].bfd_val == code)
2056 return &howto_table[(int) mips_reloc_map[i].elf_val];
2057 }
2058
d6f16593
MR
2059 for (i = 0; i < sizeof (mips16_reloc_map) / sizeof (struct elf_reloc_map);
2060 i++)
2061 {
2062 if (mips16_reloc_map[i].bfd_val == code)
2063 return &howto16_table[(int) mips16_reloc_map[i].elf_val];
2064 }
2065
8a397dad
TS
2066 switch (code)
2067 {
8a397dad
TS
2068 case BFD_RELOC_VTABLE_INHERIT:
2069 return &elf_mips_gnu_vtinherit_howto;
2070 case BFD_RELOC_VTABLE_ENTRY:
2071 return &elf_mips_gnu_vtentry_howto;
2072 default:
2073 bfd_set_error (bfd_error_bad_value);
2074 return NULL;
2075 }
2076}
2077
947216bf 2078/* Given a MIPS Elf_Internal_Rel, fill in an arelent structure. */
8a397dad
TS
2079
2080static reloc_howto_type *
11a2be4d 2081mips_elf_n32_rtype_to_howto (unsigned int r_type, bfd_boolean rela_p)
8a397dad
TS
2082{
2083 switch (r_type)
2084 {
8a397dad
TS
2085 case R_MIPS_GNU_VTINHERIT:
2086 return &elf_mips_gnu_vtinherit_howto;
2087 case R_MIPS_GNU_VTENTRY:
2088 return &elf_mips_gnu_vtentry_howto;
d0c728db
TS
2089 case R_MIPS_GNU_REL16_S2:
2090 if (rela_p)
2091 return &elf_mips_gnu_rela16_s2;
2092 else
2093 return &elf_mips_gnu_rel16_s2;
8a397dad 2094 default:
d6f16593
MR
2095 if (r_type >= R_MIPS16_min && r_type < R_MIPS16_max)
2096 {
2097 if (rela_p)
2098 return &elf_mips16_howto_table_rela[r_type - R_MIPS16_min];
2099 else
2100 return &elf_mips16_howto_table_rel[r_type - R_MIPS16_min];
2101 }
8a397dad
TS
2102 BFD_ASSERT (r_type < (unsigned int) R_MIPS_max);
2103 if (rela_p)
2104 return &elf_mips_howto_table_rela[r_type];
2105 else
2106 return &elf_mips_howto_table_rel[r_type];
2107 break;
2108 }
2109}
2110
947216bf 2111/* Given a MIPS Elf_Internal_Rel, fill in an arelent structure. */
8a397dad
TS
2112
2113static void
11a2be4d 2114mips_info_to_howto_rel (bfd *abfd, arelent *cache_ptr, Elf_Internal_Rela *dst)
8a397dad
TS
2115{
2116 unsigned int r_type;
2117
2118 r_type = ELF32_R_TYPE (dst->r_info);
b34976b6 2119 cache_ptr->howto = mips_elf_n32_rtype_to_howto (r_type, FALSE);
8a397dad
TS
2120
2121 /* The addend for a GPREL16 or LITERAL relocation comes from the GP
2122 value for the object file. We get the addend now, rather than
2123 when we do the relocation, because the symbol manipulations done
2124 by the linker may cause us to lose track of the input BFD. */
2125 if (((*cache_ptr->sym_ptr_ptr)->flags & BSF_SECTION_SYM) != 0
2126 && (r_type == (unsigned int) R_MIPS_GPREL16
2127 || r_type == (unsigned int) R_MIPS_LITERAL))
2128 cache_ptr->addend = elf_gp (abfd);
2129}
2130
947216bf 2131/* Given a MIPS Elf_Internal_Rela, fill in an arelent structure. */
8a397dad
TS
2132
2133static void
11a2be4d
RS
2134mips_info_to_howto_rela (bfd *abfd ATTRIBUTE_UNUSED,
2135 arelent *cache_ptr, Elf_Internal_Rela *dst)
8a397dad
TS
2136{
2137 unsigned int r_type;
2138
2139 r_type = ELF32_R_TYPE (dst->r_info);
b34976b6 2140 cache_ptr->howto = mips_elf_n32_rtype_to_howto (r_type, TRUE);
8a397dad
TS
2141 cache_ptr->addend = dst->r_addend;
2142}
2143\f
2144/* Determine whether a symbol is global for the purposes of splitting
2145 the symbol table into global symbols and local symbols. At least
2146 on Irix 5, this split must be between section symbols and all other
2147 symbols. On most ELF targets the split is between static symbols
2148 and externally visible symbols. */
2149
b34976b6 2150static bfd_boolean
11a2be4d 2151mips_elf_sym_is_global (bfd *abfd ATTRIBUTE_UNUSED, asymbol *sym)
8a397dad
TS
2152{
2153 if (SGI_COMPAT (abfd))
2154 return (sym->flags & BSF_SECTION_SYM) == 0;
2155 else
2156 return ((sym->flags & (BSF_GLOBAL | BSF_WEAK)) != 0
2157 || bfd_is_und_section (bfd_get_section (sym))
2158 || bfd_is_com_section (bfd_get_section (sym)));
2159}
2160\f
2161/* Set the right machine number for a MIPS ELF file. */
2162
b34976b6 2163static bfd_boolean
11a2be4d 2164mips_elf_n32_object_p (bfd *abfd)
8a397dad
TS
2165{
2166 unsigned long mach;
2167
2168 /* Irix 5 and 6 are broken. Object file symbol tables are not always
2169 sorted correctly such that local symbols precede global symbols,
2170 and the sh_info field in the symbol table is not always right. */
2171 if (SGI_COMPAT (abfd))
b34976b6 2172 elf_bad_symtab (abfd) = TRUE;
8a397dad
TS
2173
2174 mach = _bfd_elf_mips_mach (elf_elfheader (abfd)->e_flags);
2175 bfd_default_set_arch_mach (abfd, bfd_arch_mips, mach);
2176
2177 if (! ABI_N32_P(abfd))
b34976b6 2178 return FALSE;
8a397dad 2179
b34976b6 2180 return TRUE;
8a397dad
TS
2181}
2182\f
2183/* Support for core dump NOTE sections. */
b34976b6 2184static bfd_boolean
11a2be4d 2185elf32_mips_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
8a397dad
TS
2186{
2187 int offset;
eea6121a 2188 unsigned int size;
8a397dad
TS
2189
2190 switch (note->descsz)
2191 {
2192 default:
b34976b6 2193 return FALSE;
8a397dad 2194
59a8c196 2195 case 440: /* Linux/MIPS N32 */
8a397dad
TS
2196 /* pr_cursig */
2197 elf_tdata (abfd)->core_signal = bfd_get_16 (abfd, note->descdata + 12);
2198
2199 /* pr_pid */
2200 elf_tdata (abfd)->core_pid = bfd_get_32 (abfd, note->descdata + 24);
2201
2202 /* pr_reg */
2203 offset = 72;
eea6121a 2204 size = 360;
8a397dad
TS
2205
2206 break;
2207 }
2208
2209 /* Make a ".reg/999" section. */
eea6121a 2210 return _bfd_elfcore_make_pseudosection (abfd, ".reg", size,
8a397dad
TS
2211 note->descpos + offset);
2212}
2213
b34976b6 2214static bfd_boolean
11a2be4d 2215elf32_mips_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
8a397dad
TS
2216{
2217 switch (note->descsz)
2218 {
2219 default:
b34976b6 2220 return FALSE;
8a397dad
TS
2221
2222 case 128: /* Linux/MIPS elf_prpsinfo */
2223 elf_tdata (abfd)->core_program
2224 = _bfd_elfcore_strndup (abfd, note->descdata + 32, 16);
2225 elf_tdata (abfd)->core_command
2226 = _bfd_elfcore_strndup (abfd, note->descdata + 48, 80);
2227 }
2228
2229 /* Note that for some reason, a spurious space is tacked
2230 onto the end of the args in some (at least one anyway)
2231 implementations, so strip it off if it exists. */
2232
2233 {
2234 char *command = elf_tdata (abfd)->core_command;
2235 int n = strlen (command);
2236
2237 if (0 < n && command[n - 1] == ' ')
2238 command[n - 1] = '\0';
2239 }
2240
b34976b6 2241 return TRUE;
8a397dad
TS
2242}
2243\f
2244/* Depending on the target vector we generate some version of Irix
2245 executables or "normal" MIPS ELF ABI executables. */
2246static irix_compat_t
11a2be4d 2247elf_n32_mips_irix_compat (bfd *abfd)
8a397dad
TS
2248{
2249 if ((abfd->xvec == &bfd_elf32_nbigmips_vec)
2250 || (abfd->xvec == &bfd_elf32_nlittlemips_vec))
2251 return ict_irix6;
2252 else
2253 return ict_none;
2254}
2255\f
2256/* ECOFF swapping routines. These are used when dealing with the
2257 .mdebug section, which is in the ECOFF debugging format. */
2258static const struct ecoff_debug_swap mips_elf32_ecoff_debug_swap = {
2259 /* Symbol table magic number. */
2260 magicSym,
2261 /* Alignment of debugging information. E.g., 4. */
2262 4,
2263 /* Sizes of external symbolic information. */
2264 sizeof (struct hdr_ext),
2265 sizeof (struct dnr_ext),
2266 sizeof (struct pdr_ext),
2267 sizeof (struct sym_ext),
2268 sizeof (struct opt_ext),
2269 sizeof (struct fdr_ext),
2270 sizeof (struct rfd_ext),
2271 sizeof (struct ext_ext),
2272 /* Functions to swap in external symbolic data. */
2273 ecoff_swap_hdr_in,
2274 ecoff_swap_dnr_in,
2275 ecoff_swap_pdr_in,
2276 ecoff_swap_sym_in,
2277 ecoff_swap_opt_in,
2278 ecoff_swap_fdr_in,
2279 ecoff_swap_rfd_in,
2280 ecoff_swap_ext_in,
2281 _bfd_ecoff_swap_tir_in,
2282 _bfd_ecoff_swap_rndx_in,
2283 /* Functions to swap out external symbolic data. */
2284 ecoff_swap_hdr_out,
2285 ecoff_swap_dnr_out,
2286 ecoff_swap_pdr_out,
2287 ecoff_swap_sym_out,
2288 ecoff_swap_opt_out,
2289 ecoff_swap_fdr_out,
2290 ecoff_swap_rfd_out,
2291 ecoff_swap_ext_out,
2292 _bfd_ecoff_swap_tir_out,
2293 _bfd_ecoff_swap_rndx_out,
2294 /* Function to read in symbolic data. */
2295 _bfd_mips_elf_read_ecoff_info
2296};
2297\f
2298#define ELF_ARCH bfd_arch_mips
2299#define ELF_MACHINE_CODE EM_MIPS
2300
b34976b6
AM
2301#define elf_backend_collect TRUE
2302#define elf_backend_type_change_ok TRUE
2303#define elf_backend_can_gc_sections TRUE
8a397dad
TS
2304#define elf_info_to_howto mips_info_to_howto_rela
2305#define elf_info_to_howto_rel mips_info_to_howto_rel
2306#define elf_backend_sym_is_global mips_elf_sym_is_global
2307#define elf_backend_object_p mips_elf_n32_object_p
2308#define elf_backend_symbol_processing _bfd_mips_elf_symbol_processing
2309#define elf_backend_section_processing _bfd_mips_elf_section_processing
2310#define elf_backend_section_from_shdr _bfd_mips_elf_section_from_shdr
2311#define elf_backend_fake_sections _bfd_mips_elf_fake_sections
2312#define elf_backend_section_from_bfd_section \
2313 _bfd_mips_elf_section_from_bfd_section
2314#define elf_backend_add_symbol_hook _bfd_mips_elf_add_symbol_hook
2315#define elf_backend_link_output_symbol_hook \
2316 _bfd_mips_elf_link_output_symbol_hook
2317#define elf_backend_create_dynamic_sections \
2318 _bfd_mips_elf_create_dynamic_sections
2319#define elf_backend_check_relocs _bfd_mips_elf_check_relocs
2320#define elf_backend_adjust_dynamic_symbol \
2321 _bfd_mips_elf_adjust_dynamic_symbol
2322#define elf_backend_always_size_sections \
2323 _bfd_mips_elf_always_size_sections
2324#define elf_backend_size_dynamic_sections \
2325 _bfd_mips_elf_size_dynamic_sections
2326#define elf_backend_relocate_section _bfd_mips_elf_relocate_section
2327#define elf_backend_finish_dynamic_symbol \
2328 _bfd_mips_elf_finish_dynamic_symbol
2329#define elf_backend_finish_dynamic_sections \
2330 _bfd_mips_elf_finish_dynamic_sections
2331#define elf_backend_final_write_processing \
2332 _bfd_mips_elf_final_write_processing
2333#define elf_backend_additional_program_headers \
2334 _bfd_mips_elf_additional_program_headers
2335#define elf_backend_modify_segment_map _bfd_mips_elf_modify_segment_map
2336#define elf_backend_gc_mark_hook _bfd_mips_elf_gc_mark_hook
2337#define elf_backend_gc_sweep_hook _bfd_mips_elf_gc_sweep_hook
2338#define elf_backend_copy_indirect_symbol \
2339 _bfd_mips_elf_copy_indirect_symbol
2340#define elf_backend_hide_symbol _bfd_mips_elf_hide_symbol
2341#define elf_backend_grok_prstatus elf32_mips_grok_prstatus
2342#define elf_backend_grok_psinfo elf32_mips_grok_psinfo
2343#define elf_backend_ecoff_debug_swap &mips_elf32_ecoff_debug_swap
2344
2345#define elf_backend_got_header_size (4 * MIPS_RESERVED_GOTNO)
8a397dad
TS
2346
2347/* MIPS n32 ELF can use a mixture of REL and RELA, but some Relocations
2348 work better/work only in RELA, so we default to this. */
2349#define elf_backend_may_use_rel_p 1
2350#define elf_backend_may_use_rela_p 1
2351#define elf_backend_default_use_rela_p 1
b34976b6 2352#define elf_backend_sign_extend_vma TRUE
8a397dad
TS
2353
2354#define elf_backend_discard_info _bfd_mips_elf_discard_info
2355#define elf_backend_ignore_discarded_relocs \
2356 _bfd_mips_elf_ignore_discarded_relocs
2357#define elf_backend_write_section _bfd_mips_elf_write_section
2358#define elf_backend_mips_irix_compat elf_n32_mips_irix_compat
2359#define elf_backend_mips_rtype_to_howto mips_elf_n32_rtype_to_howto
2360#define bfd_elf32_find_nearest_line _bfd_mips_elf_find_nearest_line
4ab527b0 2361#define bfd_elf32_find_inliner_info _bfd_mips_elf_find_inliner_info
f0abc2a1 2362#define bfd_elf32_new_section_hook _bfd_mips_elf_new_section_hook
8a397dad
TS
2363#define bfd_elf32_set_section_contents _bfd_mips_elf_set_section_contents
2364#define bfd_elf32_bfd_get_relocated_section_contents \
2365 _bfd_elf_mips_get_relocated_section_contents
2366#define bfd_elf32_bfd_link_hash_table_create \
2367 _bfd_mips_elf_link_hash_table_create
2368#define bfd_elf32_bfd_final_link _bfd_mips_elf_final_link
2369#define bfd_elf32_bfd_merge_private_bfd_data \
2370 _bfd_mips_elf_merge_private_bfd_data
2371#define bfd_elf32_bfd_set_private_flags _bfd_mips_elf_set_private_flags
2372#define bfd_elf32_bfd_print_private_bfd_data \
2373 _bfd_mips_elf_print_private_bfd_data
d0647110 2374#define bfd_elf32_bfd_relax_section _bfd_mips_relax_section
8a397dad
TS
2375
2376/* Support for SGI-ish mips targets using n32 ABI. */
2377
2378#define TARGET_LITTLE_SYM bfd_elf32_nlittlemips_vec
2379#define TARGET_LITTLE_NAME "elf32-nlittlemips"
2380#define TARGET_BIG_SYM bfd_elf32_nbigmips_vec
2381#define TARGET_BIG_NAME "elf32-nbigmips"
2382
4301eeb1
MR
2383/* The SVR4 MIPS ABI says that this should be 0x10000, but Irix 5 uses
2384 a value of 0x1000, and we are compatible.
2385 FIXME: How does this affect NewABI? */
2386#define ELF_MAXPAGESIZE 0x1000
24718e3b 2387#define ELF_COMMONPAGESIZE 0x1000
4301eeb1 2388
8a397dad
TS
2389#include "elf32-target.h"
2390
2391/* Support for traditional mips targets using n32 ABI. */
8a397dad
TS
2392#undef TARGET_LITTLE_SYM
2393#undef TARGET_LITTLE_NAME
2394#undef TARGET_BIG_SYM
2395#undef TARGET_BIG_NAME
2396
4301eeb1
MR
2397#undef ELF_MAXPAGESIZE
2398
8a397dad
TS
2399#define TARGET_LITTLE_SYM bfd_elf32_ntradlittlemips_vec
2400#define TARGET_LITTLE_NAME "elf32-ntradlittlemips"
2401#define TARGET_BIG_SYM bfd_elf32_ntradbigmips_vec
2402#define TARGET_BIG_NAME "elf32-ntradbigmips"
2403
4301eeb1
MR
2404/* The SVR4 MIPS ABI says that this should be 0x10000, and Linux uses
2405 page sizes of up to that limit, so we need to respect it. */
2406#define ELF_MAXPAGESIZE 0x10000
2407#define elf32_bed elf32_tradbed
2408
8a397dad
TS
2409/* Include the target file again for this target. */
2410#include "elf32-target.h"
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