* coff64-rs6000.c (xcoff64_ppc_relocate_section): Fix logic reversal.
[deliverable/binutils-gdb.git] / bfd / elfn32-mips.c
CommitLineData
8a397dad
TS
1/* MIPS-specific support for 32-bit ELF
2 Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002
3 Free Software Foundation, Inc.
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
26Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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
50static bfd_reloc_status_type mips_elf_generic_reloc
51 PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
52static bfd_reloc_status_type mips_elf_hi16_reloc
53 PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
54static bfd_reloc_status_type mips_elf_lo16_reloc
55 PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
56static bfd_reloc_status_type mips_elf_got16_reloc
57 PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
b34976b6
AM
58static bfd_boolean mips_elf_assign_gp
59 PARAMS ((bfd *, bfd_vma *));
8a397dad 60static bfd_reloc_status_type mips_elf_final_gp
b34976b6 61 PARAMS ((bfd *, asymbol *, bfd_boolean, char **, bfd_vma *));
8a397dad
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62static bfd_reloc_status_type mips_elf_gprel16_reloc
63 PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
64static bfd_reloc_status_type mips_elf_literal_reloc
65 PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
66static bfd_reloc_status_type mips_elf_gprel32_reloc
67 PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
68static bfd_reloc_status_type gprel32_with_gp
b34976b6
AM
69 PARAMS ((bfd *, asymbol *, arelent *, asection *, bfd_boolean, PTR,
70 bfd_vma));
8a397dad
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71static bfd_reloc_status_type mips_elf_shift6_reloc
72 PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
73static bfd_reloc_status_type mips16_jump_reloc
74 PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
75static bfd_reloc_status_type mips16_gprel_reloc
76 PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
77static reloc_howto_type *bfd_elf32_bfd_reloc_type_lookup
78 PARAMS ((bfd *, bfd_reloc_code_real_type));
79static reloc_howto_type *mips_elf_n32_rtype_to_howto
b34976b6 80 PARAMS ((unsigned int, bfd_boolean));
8a397dad 81static void mips_info_to_howto_rel
947216bf 82 PARAMS ((bfd *, arelent *, Elf_Internal_Rela *));
8a397dad 83static void mips_info_to_howto_rela
947216bf 84 PARAMS ((bfd *, arelent *, Elf_Internal_Rela *));
b34976b6
AM
85static bfd_boolean mips_elf_sym_is_global
86 PARAMS ((bfd *, asymbol *));
87static bfd_boolean mips_elf_n32_object_p
88 PARAMS ((bfd *));
89static bfd_boolean elf32_mips_grok_prstatus
8a397dad 90 PARAMS ((bfd *, Elf_Internal_Note *));
b34976b6 91static bfd_boolean elf32_mips_grok_psinfo
8a397dad
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92 PARAMS ((bfd *, Elf_Internal_Note *));
93static irix_compat_t elf_n32_mips_irix_compat
94 PARAMS ((bfd *));
95
96extern const bfd_target bfd_elf32_nbigmips_vec;
97extern const bfd_target bfd_elf32_nlittlemips_vec;
98
99static bfd_vma prev_reloc_address = -1;
100static bfd_vma prev_reloc_addend = 0;
101
102/* Nonzero if ABFD is using the N32 ABI. */
103#define ABI_N32_P(abfd) \
104 ((elf_elfheader (abfd)->e_flags & EF_MIPS_ABI2) != 0)
105
106/* Whether we are trying to be compatible with IRIX at all. */
107#define SGI_COMPAT(abfd) \
108 (elf_n32_mips_irix_compat (abfd) != ict_none)
109
110/* The number of local .got entries we reserve. */
111#define MIPS_RESERVED_GOTNO (2)
112
113/* In case we're on a 32-bit machine, construct a 64-bit "-1" value
114 from smaller values. Start with zero, widen, *then* decrement. */
115#define MINUS_ONE (((bfd_vma)0) - 1)
116
117/* The relocation table used for SHT_REL sections. */
118
119static reloc_howto_type elf_mips_howto_table_rel[] =
120{
121 /* No relocation. */
122 HOWTO (R_MIPS_NONE, /* type */
123 0, /* rightshift */
124 0, /* size (0 = byte, 1 = short, 2 = long) */
125 0, /* bitsize */
b34976b6 126 FALSE, /* pc_relative */
8a397dad
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127 0, /* bitpos */
128 complain_overflow_dont, /* complain_on_overflow */
129 mips_elf_generic_reloc, /* special_function */
130 "R_MIPS_NONE", /* name */
b34976b6 131 FALSE, /* partial_inplace */
8a397dad
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132 0, /* src_mask */
133 0, /* dst_mask */
b34976b6 134 FALSE), /* pcrel_offset */
8a397dad
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135
136 /* 16 bit relocation. */
137 HOWTO (R_MIPS_16, /* type */
138 0, /* rightshift */
139 2, /* size (0 = byte, 1 = short, 2 = long) */
140 16, /* bitsize */
b34976b6 141 FALSE, /* pc_relative */
8a397dad
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142 0, /* bitpos */
143 complain_overflow_signed, /* complain_on_overflow */
144 mips_elf_generic_reloc, /* special_function */
145 "R_MIPS_16", /* name */
b34976b6 146 TRUE, /* partial_inplace */
8a397dad
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147 0x0000ffff, /* src_mask */
148 0x0000ffff, /* dst_mask */
b34976b6 149 FALSE), /* pcrel_offset */
8a397dad
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150
151 /* 32 bit relocation. */
152 HOWTO (R_MIPS_32, /* type */
153 0, /* rightshift */
154 2, /* size (0 = byte, 1 = short, 2 = long) */
155 32, /* bitsize */
b34976b6 156 FALSE, /* pc_relative */
8a397dad
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157 0, /* bitpos */
158 complain_overflow_dont, /* complain_on_overflow */
159 mips_elf_generic_reloc, /* special_function */
160 "R_MIPS_32", /* name */
b34976b6 161 TRUE, /* partial_inplace */
8a397dad
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162 0xffffffff, /* src_mask */
163 0xffffffff, /* dst_mask */
b34976b6 164 FALSE), /* pcrel_offset */
8a397dad
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165
166 /* 32 bit symbol relative relocation. */
167 HOWTO (R_MIPS_REL32, /* type */
168 0, /* rightshift */
169 2, /* size (0 = byte, 1 = short, 2 = long) */
170 32, /* bitsize */
b34976b6 171 FALSE, /* pc_relative */
8a397dad
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172 0, /* bitpos */
173 complain_overflow_dont, /* complain_on_overflow */
174 mips_elf_generic_reloc, /* special_function */
175 "R_MIPS_REL32", /* name */
b34976b6 176 TRUE, /* partial_inplace */
8a397dad
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177 0xffffffff, /* src_mask */
178 0xffffffff, /* dst_mask */
b34976b6 179 FALSE), /* pcrel_offset */
8a397dad
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180
181 /* 26 bit jump address. */
182 HOWTO (R_MIPS_26, /* type */
183 2, /* rightshift */
184 2, /* size (0 = byte, 1 = short, 2 = long) */
185 26, /* bitsize */
b34976b6 186 FALSE, /* pc_relative */
8a397dad
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187 0, /* bitpos */
188 complain_overflow_dont, /* complain_on_overflow */
189 /* This needs complex overflow
190 detection, because the upper four
191 bits must match the PC + 4. */
192 mips_elf_generic_reloc, /* special_function */
193 "R_MIPS_26", /* name */
b34976b6 194 TRUE, /* partial_inplace */
8a397dad
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195 0x03ffffff, /* src_mask */
196 0x03ffffff, /* dst_mask */
b34976b6 197 FALSE), /* pcrel_offset */
8a397dad
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198
199 /* R_MIPS_HI16 and R_MIPS_LO16 are unsupported for NewABI REL.
200 However, the native IRIX6 tools use them, so we try our best. */
201
202 /* High 16 bits of symbol value. */
203 HOWTO (R_MIPS_HI16, /* type */
204 0, /* rightshift */
205 2, /* size (0 = byte, 1 = short, 2 = long) */
206 16, /* bitsize */
b34976b6 207 FALSE, /* pc_relative */
8a397dad
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208 0, /* bitpos */
209 complain_overflow_dont, /* complain_on_overflow */
210 mips_elf_hi16_reloc, /* special_function */
211 "R_MIPS_HI16", /* name */
b34976b6 212 TRUE, /* partial_inplace */
8a397dad
TS
213 0x0000ffff, /* src_mask */
214 0x0000ffff, /* dst_mask */
b34976b6 215 FALSE), /* pcrel_offset */
8a397dad
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216
217 /* Low 16 bits of symbol value. */
218 HOWTO (R_MIPS_LO16, /* type */
219 0, /* rightshift */
220 2, /* size (0 = byte, 1 = short, 2 = long) */
221 16, /* bitsize */
b34976b6 222 FALSE, /* pc_relative */
8a397dad
TS
223 0, /* bitpos */
224 complain_overflow_dont, /* complain_on_overflow */
225 mips_elf_lo16_reloc, /* special_function */
226 "R_MIPS_LO16", /* name */
b34976b6 227 TRUE, /* partial_inplace */
8a397dad
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228 0x0000ffff, /* src_mask */
229 0x0000ffff, /* dst_mask */
b34976b6 230 FALSE), /* pcrel_offset */
8a397dad
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231
232 /* GP relative reference. */
233 HOWTO (R_MIPS_GPREL16, /* type */
234 0, /* rightshift */
235 2, /* size (0 = byte, 1 = short, 2 = long) */
236 16, /* bitsize */
b34976b6 237 FALSE, /* pc_relative */
8a397dad
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238 0, /* bitpos */
239 complain_overflow_signed, /* complain_on_overflow */
240 mips_elf_gprel16_reloc, /* special_function */
241 "R_MIPS_GPREL16", /* name */
b34976b6 242 TRUE, /* partial_inplace */
8a397dad
TS
243 0x0000ffff, /* src_mask */
244 0x0000ffff, /* dst_mask */
b34976b6 245 FALSE), /* pcrel_offset */
8a397dad
TS
246
247 /* Reference to literal section. */
248 HOWTO (R_MIPS_LITERAL, /* type */
249 0, /* rightshift */
250 2, /* size (0 = byte, 1 = short, 2 = long) */
251 16, /* bitsize */
b34976b6 252 FALSE, /* pc_relative */
8a397dad
TS
253 0, /* bitpos */
254 complain_overflow_signed, /* complain_on_overflow */
255 mips_elf_literal_reloc, /* special_function */
256 "R_MIPS_LITERAL", /* name */
b34976b6 257 TRUE, /* partial_inplace */
8a397dad
TS
258 0x0000ffff, /* src_mask */
259 0x0000ffff, /* dst_mask */
b34976b6 260 FALSE), /* pcrel_offset */
8a397dad
TS
261
262 /* Reference to global offset table. */
263 HOWTO (R_MIPS_GOT16, /* type */
264 0, /* rightshift */
265 2, /* size (0 = byte, 1 = short, 2 = long) */
266 16, /* bitsize */
b34976b6 267 FALSE, /* pc_relative */
8a397dad
TS
268 0, /* bitpos */
269 complain_overflow_signed, /* complain_on_overflow */
270 mips_elf_got16_reloc, /* special_function */
271 "R_MIPS_GOT16", /* name */
b34976b6 272 TRUE, /* partial_inplace */
8a397dad
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273 0x0000ffff, /* src_mask */
274 0x0000ffff, /* dst_mask */
b34976b6 275 FALSE), /* pcrel_offset */
8a397dad
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276
277 /* 16 bit PC relative reference. */
278 HOWTO (R_MIPS_PC16, /* type */
279 0, /* rightshift */
280 2, /* size (0 = byte, 1 = short, 2 = long) */
281 16, /* bitsize */
b34976b6 282 TRUE, /* pc_relative */
8a397dad
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283 0, /* bitpos */
284 complain_overflow_signed, /* complain_on_overflow */
285 mips_elf_generic_reloc, /* special_function */
286 "R_MIPS_PC16", /* name */
b34976b6 287 TRUE, /* partial_inplace */
8a397dad
TS
288 0x0000ffff, /* src_mask */
289 0x0000ffff, /* dst_mask */
b34976b6 290 TRUE), /* pcrel_offset */
8a397dad
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291
292 /* 16 bit call through global offset table. */
293 HOWTO (R_MIPS_CALL16, /* type */
294 0, /* rightshift */
295 2, /* size (0 = byte, 1 = short, 2 = long) */
296 16, /* bitsize */
b34976b6 297 FALSE, /* pc_relative */
8a397dad
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298 0, /* bitpos */
299 complain_overflow_signed, /* complain_on_overflow */
300 mips_elf_generic_reloc, /* special_function */
301 "R_MIPS_CALL16", /* name */
b34976b6 302 TRUE, /* partial_inplace */
8a397dad
TS
303 0x0000ffff, /* src_mask */
304 0x0000ffff, /* dst_mask */
b34976b6 305 FALSE), /* pcrel_offset */
8a397dad
TS
306
307 /* 32 bit GP relative reference. */
308 HOWTO (R_MIPS_GPREL32, /* type */
309 0, /* rightshift */
310 2, /* size (0 = byte, 1 = short, 2 = long) */
311 32, /* bitsize */
b34976b6 312 FALSE, /* pc_relative */
8a397dad
TS
313 0, /* bitpos */
314 complain_overflow_dont, /* complain_on_overflow */
315 mips_elf_gprel32_reloc, /* special_function */
316 "R_MIPS_GPREL32", /* name */
b34976b6 317 TRUE, /* partial_inplace */
8a397dad
TS
318 0xffffffff, /* src_mask */
319 0xffffffff, /* dst_mask */
b34976b6 320 FALSE), /* pcrel_offset */
8a397dad
TS
321
322 /* The remaining relocs are defined on Irix 5, although they are
323 not defined by the ABI. */
324 EMPTY_HOWTO (13),
325 EMPTY_HOWTO (14),
326 EMPTY_HOWTO (15),
327
328 /* A 5 bit shift field. */
329 HOWTO (R_MIPS_SHIFT5, /* type */
330 0, /* rightshift */
331 2, /* size (0 = byte, 1 = short, 2 = long) */
332 5, /* bitsize */
b34976b6 333 FALSE, /* pc_relative */
8a397dad
TS
334 6, /* bitpos */
335 complain_overflow_bitfield, /* complain_on_overflow */
336 mips_elf_generic_reloc, /* special_function */
337 "R_MIPS_SHIFT5", /* name */
b34976b6 338 TRUE, /* partial_inplace */
8a397dad
TS
339 0x000007c0, /* src_mask */
340 0x000007c0, /* dst_mask */
b34976b6 341 FALSE), /* pcrel_offset */
8a397dad
TS
342
343 /* A 6 bit shift field. */
344 HOWTO (R_MIPS_SHIFT6, /* type */
345 0, /* rightshift */
346 2, /* size (0 = byte, 1 = short, 2 = long) */
347 6, /* bitsize */
b34976b6 348 FALSE, /* pc_relative */
8a397dad
TS
349 6, /* bitpos */
350 complain_overflow_bitfield, /* complain_on_overflow */
351 mips_elf_shift6_reloc, /* special_function */
352 "R_MIPS_SHIFT6", /* name */
b34976b6 353 TRUE, /* partial_inplace */
8a397dad
TS
354 0x000007c4, /* src_mask */
355 0x000007c4, /* dst_mask */
b34976b6 356 FALSE), /* pcrel_offset */
8a397dad
TS
357
358 /* A 64 bit relocation. */
359 HOWTO (R_MIPS_64, /* type */
360 0, /* rightshift */
361 4, /* size (0 = byte, 1 = short, 2 = long) */
362 64, /* bitsize */
b34976b6 363 FALSE, /* pc_relative */
8a397dad
TS
364 0, /* bitpos */
365 complain_overflow_dont, /* complain_on_overflow */
366 mips_elf_generic_reloc, /* special_function */
367 "R_MIPS_64", /* name */
b34976b6 368 TRUE, /* partial_inplace */
8a397dad
TS
369 MINUS_ONE, /* src_mask */
370 MINUS_ONE, /* dst_mask */
b34976b6 371 FALSE), /* pcrel_offset */
8a397dad
TS
372
373 /* Displacement in the global offset table. */
374 HOWTO (R_MIPS_GOT_DISP, /* type */
375 0, /* rightshift */
376 2, /* size (0 = byte, 1 = short, 2 = long) */
377 16, /* bitsize */
b34976b6 378 FALSE, /* pc_relative */
8a397dad
TS
379 0, /* bitpos */
380 complain_overflow_signed, /* complain_on_overflow */
381 mips_elf_generic_reloc, /* special_function */
382 "R_MIPS_GOT_DISP", /* name */
b34976b6 383 TRUE, /* partial_inplace */
8a397dad
TS
384 0x0000ffff, /* src_mask */
385 0x0000ffff, /* dst_mask */
b34976b6 386 FALSE), /* pcrel_offset */
8a397dad
TS
387
388 /* Displacement to page pointer in the global offset table. */
389 HOWTO (R_MIPS_GOT_PAGE, /* type */
390 0, /* rightshift */
391 2, /* size (0 = byte, 1 = short, 2 = long) */
392 16, /* bitsize */
b34976b6 393 FALSE, /* pc_relative */
8a397dad
TS
394 0, /* bitpos */
395 complain_overflow_signed, /* complain_on_overflow */
396 mips_elf_generic_reloc, /* special_function */
397 "R_MIPS_GOT_PAGE", /* name */
b34976b6 398 TRUE, /* partial_inplace */
8a397dad
TS
399 0x0000ffff, /* src_mask */
400 0x0000ffff, /* dst_mask */
b34976b6 401 FALSE), /* pcrel_offset */
8a397dad
TS
402
403 /* Offset from page pointer in the global offset table. */
404 HOWTO (R_MIPS_GOT_OFST, /* type */
405 0, /* rightshift */
406 2, /* size (0 = byte, 1 = short, 2 = long) */
407 16, /* bitsize */
b34976b6 408 FALSE, /* pc_relative */
8a397dad
TS
409 0, /* bitpos */
410 complain_overflow_signed, /* complain_on_overflow */
411 mips_elf_generic_reloc, /* special_function */
412 "R_MIPS_GOT_OFST", /* name */
b34976b6 413 TRUE, /* partial_inplace */
8a397dad
TS
414 0x0000ffff, /* src_mask */
415 0x0000ffff, /* dst_mask */
b34976b6 416 FALSE), /* pcrel_offset */
8a397dad
TS
417
418 /* High 16 bits of displacement in global offset table. */
419 HOWTO (R_MIPS_GOT_HI16, /* type */
420 0, /* rightshift */
421 2, /* size (0 = byte, 1 = short, 2 = long) */
422 16, /* bitsize */
b34976b6 423 FALSE, /* pc_relative */
8a397dad
TS
424 0, /* bitpos */
425 complain_overflow_dont, /* complain_on_overflow */
426 mips_elf_generic_reloc, /* special_function */
427 "R_MIPS_GOT_HI16", /* name */
b34976b6 428 TRUE, /* partial_inplace */
8a397dad
TS
429 0x0000ffff, /* src_mask */
430 0x0000ffff, /* dst_mask */
b34976b6 431 FALSE), /* pcrel_offset */
8a397dad
TS
432
433 /* Low 16 bits of displacement in global offset table. */
434 HOWTO (R_MIPS_GOT_LO16, /* type */
435 0, /* rightshift */
436 2, /* size (0 = byte, 1 = short, 2 = long) */
437 16, /* bitsize */
b34976b6 438 FALSE, /* pc_relative */
8a397dad
TS
439 0, /* bitpos */
440 complain_overflow_dont, /* complain_on_overflow */
441 mips_elf_generic_reloc, /* special_function */
442 "R_MIPS_GOT_LO16", /* name */
b34976b6 443 TRUE, /* partial_inplace */
8a397dad
TS
444 0x0000ffff, /* src_mask */
445 0x0000ffff, /* dst_mask */
b34976b6 446 FALSE), /* pcrel_offset */
8a397dad
TS
447
448 /* 64 bit subtraction. */
449 HOWTO (R_MIPS_SUB, /* type */
450 0, /* rightshift */
451 4, /* size (0 = byte, 1 = short, 2 = long) */
452 64, /* bitsize */
b34976b6 453 FALSE, /* pc_relative */
8a397dad
TS
454 0, /* bitpos */
455 complain_overflow_dont, /* complain_on_overflow */
456 mips_elf_generic_reloc, /* special_function */
457 "R_MIPS_SUB", /* name */
b34976b6 458 TRUE, /* partial_inplace */
8a397dad
TS
459 MINUS_ONE, /* src_mask */
460 MINUS_ONE, /* dst_mask */
b34976b6 461 FALSE), /* pcrel_offset */
8a397dad
TS
462
463 /* Insert the addend as an instruction. */
464 /* FIXME: Not handled correctly. */
465 HOWTO (R_MIPS_INSERT_A, /* type */
466 0, /* rightshift */
467 2, /* size (0 = byte, 1 = short, 2 = long) */
468 32, /* bitsize */
b34976b6 469 FALSE, /* pc_relative */
8a397dad
TS
470 0, /* bitpos */
471 complain_overflow_dont, /* complain_on_overflow */
472 mips_elf_generic_reloc, /* special_function */
473 "R_MIPS_INSERT_A", /* name */
b34976b6 474 TRUE, /* partial_inplace */
8a397dad
TS
475 0xffffffff, /* src_mask */
476 0xffffffff, /* dst_mask */
b34976b6 477 FALSE), /* pcrel_offset */
8a397dad
TS
478
479 /* Insert the addend as an instruction, and change all relocations
480 to refer to the old instruction at the address. */
481 /* FIXME: Not handled correctly. */
482 HOWTO (R_MIPS_INSERT_B, /* type */
483 0, /* rightshift */
484 2, /* size (0 = byte, 1 = short, 2 = long) */
485 32, /* bitsize */
b34976b6 486 FALSE, /* pc_relative */
8a397dad
TS
487 0, /* bitpos */
488 complain_overflow_dont, /* complain_on_overflow */
489 mips_elf_generic_reloc, /* special_function */
490 "R_MIPS_INSERT_B", /* name */
b34976b6 491 TRUE, /* partial_inplace */
8a397dad
TS
492 0xffffffff, /* src_mask */
493 0xffffffff, /* dst_mask */
b34976b6 494 FALSE), /* pcrel_offset */
8a397dad
TS
495
496 /* Delete a 32 bit instruction. */
497 /* FIXME: Not handled correctly. */
498 HOWTO (R_MIPS_DELETE, /* type */
499 0, /* rightshift */
500 2, /* size (0 = byte, 1 = short, 2 = long) */
501 32, /* bitsize */
b34976b6 502 FALSE, /* pc_relative */
8a397dad
TS
503 0, /* bitpos */
504 complain_overflow_dont, /* complain_on_overflow */
505 mips_elf_generic_reloc, /* special_function */
506 "R_MIPS_DELETE", /* name */
b34976b6 507 TRUE, /* partial_inplace */
8a397dad
TS
508 0xffffffff, /* src_mask */
509 0xffffffff, /* dst_mask */
b34976b6 510 FALSE), /* pcrel_offset */
8a397dad
TS
511
512 /* The MIPS ELF64 ABI Draft wants us to support these for REL relocations.
513 We don't, because
514 a) It means building the addend from a R_MIPS_HIGHEST/R_MIPS_HIGHER/
515 R_MIPS_HI16/R_MIPS_LO16 sequence with varying ordering, using
516 fallable heuristics.
517 b) No other NEwABI toolchain actually emits such relocations. */
518 EMPTY_HOWTO (R_MIPS_HIGHER),
519 EMPTY_HOWTO (R_MIPS_HIGHEST),
520
521 /* High 16 bits of displacement in global offset table. */
522 HOWTO (R_MIPS_CALL_HI16, /* type */
523 0, /* rightshift */
524 2, /* size (0 = byte, 1 = short, 2 = long) */
525 16, /* bitsize */
b34976b6 526 FALSE, /* pc_relative */
8a397dad
TS
527 0, /* bitpos */
528 complain_overflow_dont, /* complain_on_overflow */
529 mips_elf_generic_reloc, /* special_function */
530 "R_MIPS_CALL_HI16", /* name */
b34976b6 531 TRUE, /* partial_inplace */
8a397dad
TS
532 0x0000ffff, /* src_mask */
533 0x0000ffff, /* dst_mask */
b34976b6 534 FALSE), /* pcrel_offset */
8a397dad
TS
535
536 /* Low 16 bits of displacement in global offset table. */
537 HOWTO (R_MIPS_CALL_LO16, /* type */
538 0, /* rightshift */
539 2, /* size (0 = byte, 1 = short, 2 = long) */
540 16, /* bitsize */
b34976b6 541 FALSE, /* pc_relative */
8a397dad
TS
542 0, /* bitpos */
543 complain_overflow_dont, /* complain_on_overflow */
544 mips_elf_generic_reloc, /* special_function */
545 "R_MIPS_CALL_LO16", /* name */
b34976b6 546 TRUE, /* partial_inplace */
8a397dad
TS
547 0x0000ffff, /* src_mask */
548 0x0000ffff, /* dst_mask */
b34976b6 549 FALSE), /* pcrel_offset */
8a397dad
TS
550
551 /* Section displacement. */
552 HOWTO (R_MIPS_SCN_DISP, /* type */
553 0, /* rightshift */
554 2, /* size (0 = byte, 1 = short, 2 = long) */
555 32, /* bitsize */
b34976b6 556 FALSE, /* pc_relative */
8a397dad
TS
557 0, /* bitpos */
558 complain_overflow_dont, /* complain_on_overflow */
559 mips_elf_generic_reloc, /* special_function */
560 "R_MIPS_SCN_DISP", /* name */
b34976b6 561 TRUE, /* partial_inplace */
8a397dad
TS
562 0xffffffff, /* src_mask */
563 0xffffffff, /* dst_mask */
b34976b6 564 FALSE), /* pcrel_offset */
8a397dad
TS
565
566 HOWTO (R_MIPS_REL16, /* type */
567 0, /* rightshift */
568 1, /* size (0 = byte, 1 = short, 2 = long) */
569 16, /* bitsize */
b34976b6 570 FALSE, /* pc_relative */
8a397dad
TS
571 0, /* bitpos */
572 complain_overflow_signed, /* complain_on_overflow */
573 mips_elf_generic_reloc, /* special_function */
574 "R_MIPS_REL16", /* name */
b34976b6 575 TRUE, /* partial_inplace */
8a397dad
TS
576 0xffff, /* src_mask */
577 0xffff, /* dst_mask */
b34976b6 578 FALSE), /* pcrel_offset */
8a397dad
TS
579
580 /* These two are obsolete. */
581 EMPTY_HOWTO (R_MIPS_ADD_IMMEDIATE),
582 EMPTY_HOWTO (R_MIPS_PJUMP),
583
584 /* Similiar to R_MIPS_REL32, but used for relocations in a GOT section.
585 It must be used for multigot GOT's (and only there). */
586 HOWTO (R_MIPS_RELGOT, /* type */
587 0, /* rightshift */
588 2, /* size (0 = byte, 1 = short, 2 = long) */
589 32, /* bitsize */
b34976b6 590 FALSE, /* pc_relative */
8a397dad
TS
591 0, /* bitpos */
592 complain_overflow_dont, /* complain_on_overflow */
593 mips_elf_generic_reloc, /* special_function */
594 "R_MIPS_RELGOT", /* name */
b34976b6 595 TRUE, /* partial_inplace */
8a397dad
TS
596 0xffffffff, /* src_mask */
597 0xffffffff, /* dst_mask */
b34976b6 598 FALSE), /* pcrel_offset */
8a397dad
TS
599
600 /* Protected jump conversion. This is an optimization hint. No
601 relocation is required for correctness. */
602 HOWTO (R_MIPS_JALR, /* type */
603 0, /* rightshift */
604 2, /* size (0 = byte, 1 = short, 2 = long) */
605 32, /* bitsize */
b34976b6 606 FALSE, /* pc_relative */
8a397dad
TS
607 0, /* bitpos */
608 complain_overflow_dont, /* complain_on_overflow */
609 mips_elf_generic_reloc, /* special_function */
610 "R_MIPS_JALR", /* name */
b34976b6 611 FALSE, /* partial_inplace */
8a397dad
TS
612 0x00000000, /* src_mask */
613 0x00000000, /* dst_mask */
b34976b6 614 FALSE), /* pcrel_offset */
8a397dad
TS
615};
616
617/* The relocation table used for SHT_RELA sections. */
618
619static reloc_howto_type elf_mips_howto_table_rela[] =
620{
621 /* No relocation. */
622 HOWTO (R_MIPS_NONE, /* type */
623 0, /* rightshift */
624 0, /* size (0 = byte, 1 = short, 2 = long) */
625 0, /* bitsize */
b34976b6 626 FALSE, /* pc_relative */
8a397dad
TS
627 0, /* bitpos */
628 complain_overflow_dont, /* complain_on_overflow */
629 mips_elf_generic_reloc, /* special_function */
630 "R_MIPS_NONE", /* name */
b34976b6 631 FALSE, /* partial_inplace */
8a397dad
TS
632 0, /* src_mask */
633 0, /* dst_mask */
b34976b6 634 FALSE), /* pcrel_offset */
8a397dad
TS
635
636 /* 16 bit relocation. */
637 HOWTO (R_MIPS_16, /* type */
638 0, /* rightshift */
639 2, /* size (0 = byte, 1 = short, 2 = long) */
640 16, /* bitsize */
b34976b6 641 FALSE, /* pc_relative */
8a397dad
TS
642 0, /* bitpos */
643 complain_overflow_signed, /* complain_on_overflow */
644 mips_elf_generic_reloc, /* special_function */
645 "R_MIPS_16", /* name */
b34976b6 646 FALSE, /* partial_inplace */
8a397dad
TS
647 0, /* src_mask */
648 0x0000, /* dst_mask */
b34976b6 649 FALSE), /* pcrel_offset */
8a397dad
TS
650
651 /* 32 bit relocation. */
652 HOWTO (R_MIPS_32, /* type */
653 0, /* rightshift */
654 2, /* size (0 = byte, 1 = short, 2 = long) */
655 32, /* bitsize */
b34976b6 656 FALSE, /* pc_relative */
8a397dad
TS
657 0, /* bitpos */
658 complain_overflow_dont, /* complain_on_overflow */
659 mips_elf_generic_reloc, /* special_function */
660 "R_MIPS_32", /* name */
b34976b6 661 FALSE, /* partial_inplace */
8a397dad
TS
662 0, /* src_mask */
663 0xffffffff, /* dst_mask */
b34976b6 664 FALSE), /* pcrel_offset */
8a397dad
TS
665
666 /* 32 bit symbol relative relocation. */
667 HOWTO (R_MIPS_REL32, /* type */
668 0, /* rightshift */
669 2, /* size (0 = byte, 1 = short, 2 = long) */
670 32, /* bitsize */
b34976b6 671 FALSE, /* pc_relative */
8a397dad
TS
672 0, /* bitpos */
673 complain_overflow_dont, /* complain_on_overflow */
674 mips_elf_generic_reloc, /* special_function */
675 "R_MIPS_REL32", /* name */
b34976b6 676 FALSE, /* partial_inplace */
8a397dad
TS
677 0, /* src_mask */
678 0xffffffff, /* dst_mask */
b34976b6 679 FALSE), /* pcrel_offset */
8a397dad
TS
680
681 /* 26 bit jump address. */
682 HOWTO (R_MIPS_26, /* type */
683 2, /* rightshift */
684 2, /* size (0 = byte, 1 = short, 2 = long) */
685 26, /* bitsize */
b34976b6 686 FALSE, /* pc_relative */
8a397dad
TS
687 0, /* bitpos */
688 complain_overflow_dont, /* complain_on_overflow */
689 /* This needs complex overflow
690 detection, because the upper 36
691 bits must match the PC + 4. */
692 mips_elf_generic_reloc, /* special_function */
693 "R_MIPS_26", /* name */
b34976b6 694 FALSE, /* partial_inplace */
8a397dad
TS
695 0, /* src_mask */
696 0x03ffffff, /* dst_mask */
b34976b6 697 FALSE), /* pcrel_offset */
8a397dad
TS
698
699 /* High 16 bits of symbol value. */
700 HOWTO (R_MIPS_HI16, /* type */
701 0, /* rightshift */
702 2, /* size (0 = byte, 1 = short, 2 = long) */
703 16, /* bitsize */
b34976b6 704 FALSE, /* pc_relative */
8a397dad
TS
705 0, /* bitpos */
706 complain_overflow_dont, /* complain_on_overflow */
707 mips_elf_generic_reloc, /* special_function */
708 "R_MIPS_HI16", /* name */
b34976b6 709 FALSE, /* partial_inplace */
8a397dad
TS
710 0, /* src_mask */
711 0x0000ffff, /* dst_mask */
b34976b6 712 FALSE), /* pcrel_offset */
8a397dad
TS
713
714 /* Low 16 bits of symbol value. */
715 HOWTO (R_MIPS_LO16, /* type */
716 0, /* rightshift */
717 2, /* size (0 = byte, 1 = short, 2 = long) */
718 16, /* bitsize */
b34976b6 719 FALSE, /* pc_relative */
8a397dad
TS
720 0, /* bitpos */
721 complain_overflow_dont, /* complain_on_overflow */
722 mips_elf_generic_reloc, /* special_function */
723 "R_MIPS_LO16", /* name */
b34976b6 724 FALSE, /* partial_inplace */
8a397dad
TS
725 0, /* src_mask */
726 0x0000ffff, /* dst_mask */
b34976b6 727 FALSE), /* pcrel_offset */
8a397dad
TS
728
729 /* GP relative reference. */
730 HOWTO (R_MIPS_GPREL16, /* type */
731 0, /* rightshift */
732 2, /* size (0 = byte, 1 = short, 2 = long) */
733 16, /* bitsize */
b34976b6 734 FALSE, /* pc_relative */
8a397dad
TS
735 0, /* bitpos */
736 complain_overflow_signed, /* complain_on_overflow */
737 mips_elf_gprel16_reloc, /* special_function */
738 "R_MIPS_GPREL16", /* name */
b34976b6 739 FALSE, /* partial_inplace */
8a397dad
TS
740 0, /* src_mask */
741 0x0000ffff, /* dst_mask */
b34976b6 742 FALSE), /* pcrel_offset */
8a397dad
TS
743
744 /* Reference to literal section. */
745 HOWTO (R_MIPS_LITERAL, /* type */
746 0, /* rightshift */
747 2, /* size (0 = byte, 1 = short, 2 = long) */
748 16, /* bitsize */
b34976b6 749 FALSE, /* pc_relative */
8a397dad
TS
750 0, /* bitpos */
751 complain_overflow_signed, /* complain_on_overflow */
752 mips_elf_literal_reloc, /* special_function */
753 "R_MIPS_LITERAL", /* name */
b34976b6 754 FALSE, /* partial_inplace */
8a397dad
TS
755 0, /* src_mask */
756 0x0000ffff, /* dst_mask */
b34976b6 757 FALSE), /* pcrel_offset */
8a397dad
TS
758
759 /* Reference to global offset table. */
760 HOWTO (R_MIPS_GOT16, /* type */
761 0, /* rightshift */
762 2, /* size (0 = byte, 1 = short, 2 = long) */
763 16, /* bitsize */
b34976b6 764 FALSE, /* pc_relative */
8a397dad
TS
765 0, /* bitpos */
766 complain_overflow_signed, /* complain_on_overflow */
767 mips_elf_got16_reloc, /* special_function */
768 "R_MIPS_GOT16", /* name */
b34976b6 769 FALSE, /* partial_inplace */
8a397dad
TS
770 0, /* src_mask */
771 0x0000ffff, /* dst_mask */
b34976b6 772 FALSE), /* pcrel_offset */
8a397dad
TS
773
774 /* 16 bit PC relative reference. */
775 HOWTO (R_MIPS_PC16, /* type */
776 0, /* rightshift */
777 2, /* size (0 = byte, 1 = short, 2 = long) */
778 16, /* bitsize */
b34976b6 779 TRUE, /* pc_relative */
8a397dad
TS
780 0, /* bitpos */
781 complain_overflow_signed, /* complain_on_overflow */
782 mips_elf_generic_reloc, /* special_function */
783 "R_MIPS_PC16", /* name */
b34976b6 784 FALSE, /* partial_inplace */
8a397dad
TS
785 0, /* src_mask */
786 0x0000ffff, /* dst_mask */
b34976b6 787 TRUE), /* pcrel_offset */
8a397dad
TS
788
789 /* 16 bit call through global offset table. */
790 HOWTO (R_MIPS_CALL16, /* type */
791 0, /* rightshift */
792 2, /* size (0 = byte, 1 = short, 2 = long) */
793 16, /* bitsize */
b34976b6 794 FALSE, /* pc_relative */
8a397dad
TS
795 0, /* bitpos */
796 complain_overflow_signed, /* complain_on_overflow */
797 mips_elf_generic_reloc, /* special_function */
798 "R_MIPS_CALL16", /* name */
b34976b6 799 FALSE, /* partial_inplace */
8a397dad
TS
800 0, /* src_mask */
801 0x0000ffff, /* dst_mask */
b34976b6 802 FALSE), /* pcrel_offset */
8a397dad
TS
803
804 /* 32 bit GP relative reference. */
805 HOWTO (R_MIPS_GPREL32, /* type */
806 0, /* rightshift */
807 2, /* size (0 = byte, 1 = short, 2 = long) */
808 32, /* bitsize */
b34976b6 809 FALSE, /* pc_relative */
8a397dad
TS
810 0, /* bitpos */
811 complain_overflow_dont, /* complain_on_overflow */
812 mips_elf_gprel32_reloc, /* special_function */
813 "R_MIPS_GPREL32", /* name */
b34976b6 814 FALSE, /* partial_inplace */
8a397dad
TS
815 0, /* src_mask */
816 0xffffffff, /* dst_mask */
b34976b6 817 FALSE), /* pcrel_offset */
8a397dad
TS
818
819 EMPTY_HOWTO (13),
820 EMPTY_HOWTO (14),
821 EMPTY_HOWTO (15),
822
823 /* A 5 bit shift field. */
824 HOWTO (R_MIPS_SHIFT5, /* type */
825 0, /* rightshift */
826 2, /* size (0 = byte, 1 = short, 2 = long) */
827 5, /* bitsize */
b34976b6 828 FALSE, /* pc_relative */
8a397dad
TS
829 6, /* bitpos */
830 complain_overflow_bitfield, /* complain_on_overflow */
831 mips_elf_generic_reloc, /* special_function */
832 "R_MIPS_SHIFT5", /* name */
b34976b6 833 FALSE, /* partial_inplace */
8a397dad
TS
834 0, /* src_mask */
835 0x000007c0, /* dst_mask */
b34976b6 836 FALSE), /* pcrel_offset */
8a397dad
TS
837
838 /* A 6 bit shift field. */
839 HOWTO (R_MIPS_SHIFT6, /* type */
840 0, /* rightshift */
841 2, /* size (0 = byte, 1 = short, 2 = long) */
842 6, /* bitsize */
b34976b6 843 FALSE, /* pc_relative */
8a397dad
TS
844 6, /* bitpos */
845 complain_overflow_bitfield, /* complain_on_overflow */
846 mips_elf_shift6_reloc, /* special_function */
847 "R_MIPS_SHIFT6", /* name */
b34976b6 848 FALSE, /* partial_inplace */
8a397dad
TS
849 0, /* src_mask */
850 0x000007c4, /* dst_mask */
b34976b6 851 FALSE), /* pcrel_offset */
8a397dad
TS
852
853 /* 64 bit relocation. */
854 HOWTO (R_MIPS_64, /* type */
855 0, /* rightshift */
856 4, /* size (0 = byte, 1 = short, 2 = long) */
857 64, /* bitsize */
b34976b6 858 FALSE, /* pc_relative */
8a397dad
TS
859 0, /* bitpos */
860 complain_overflow_dont, /* complain_on_overflow */
861 mips_elf_generic_reloc, /* special_function */
862 "R_MIPS_64", /* name */
b34976b6 863 FALSE, /* partial_inplace */
8a397dad
TS
864 0, /* src_mask */
865 MINUS_ONE, /* dst_mask */
b34976b6 866 FALSE), /* pcrel_offset */
8a397dad
TS
867
868 /* Displacement in the global offset table. */
869 HOWTO (R_MIPS_GOT_DISP, /* type */
870 0, /* rightshift */
871 2, /* size (0 = byte, 1 = short, 2 = long) */
872 16, /* bitsize */
b34976b6 873 FALSE, /* pc_relative */
8a397dad
TS
874 0, /* bitpos */
875 complain_overflow_signed, /* complain_on_overflow */
876 mips_elf_generic_reloc, /* special_function */
877 "R_MIPS_GOT_DISP", /* name */
b34976b6 878 FALSE, /* partial_inplace */
8a397dad
TS
879 0, /* src_mask */
880 0x0000ffff, /* dst_mask */
b34976b6 881 FALSE), /* pcrel_offset */
8a397dad
TS
882
883 /* Displacement to page pointer in the global offset table. */
884 HOWTO (R_MIPS_GOT_PAGE, /* type */
885 0, /* rightshift */
886 2, /* size (0 = byte, 1 = short, 2 = long) */
887 16, /* bitsize */
b34976b6 888 FALSE, /* pc_relative */
8a397dad
TS
889 0, /* bitpos */
890 complain_overflow_signed, /* complain_on_overflow */
891 mips_elf_generic_reloc, /* special_function */
892 "R_MIPS_GOT_PAGE", /* name */
b34976b6 893 FALSE, /* partial_inplace */
8a397dad
TS
894 0, /* src_mask */
895 0x0000ffff, /* dst_mask */
b34976b6 896 FALSE), /* pcrel_offset */
8a397dad
TS
897
898 /* Offset from page pointer in the global offset table. */
899 HOWTO (R_MIPS_GOT_OFST, /* type */
900 0, /* rightshift */
901 2, /* size (0 = byte, 1 = short, 2 = long) */
902 16, /* bitsize */
b34976b6 903 FALSE, /* pc_relative */
8a397dad
TS
904 0, /* bitpos */
905 complain_overflow_signed, /* complain_on_overflow */
906 mips_elf_generic_reloc, /* special_function */
907 "R_MIPS_GOT_OFST", /* name */
b34976b6 908 FALSE, /* partial_inplace */
8a397dad
TS
909 0, /* src_mask */
910 0x0000ffff, /* dst_mask */
b34976b6 911 FALSE), /* pcrel_offset */
8a397dad
TS
912
913 /* High 16 bits of displacement in global offset table. */
914 HOWTO (R_MIPS_GOT_HI16, /* type */
915 0, /* rightshift */
916 2, /* size (0 = byte, 1 = short, 2 = long) */
917 16, /* bitsize */
b34976b6 918 FALSE, /* pc_relative */
8a397dad
TS
919 0, /* bitpos */
920 complain_overflow_dont, /* complain_on_overflow */
921 mips_elf_generic_reloc, /* special_function */
922 "R_MIPS_GOT_HI16", /* name */
b34976b6 923 FALSE, /* partial_inplace */
8a397dad
TS
924 0, /* src_mask */
925 0x0000ffff, /* dst_mask */
b34976b6 926 FALSE), /* pcrel_offset */
8a397dad
TS
927
928 /* Low 16 bits of displacement in global offset table. */
929 HOWTO (R_MIPS_GOT_LO16, /* type */
930 0, /* rightshift */
931 2, /* size (0 = byte, 1 = short, 2 = long) */
932 16, /* bitsize */
b34976b6 933 FALSE, /* pc_relative */
8a397dad
TS
934 0, /* bitpos */
935 complain_overflow_dont, /* complain_on_overflow */
936 mips_elf_generic_reloc, /* special_function */
937 "R_MIPS_GOT_LO16", /* name */
b34976b6 938 FALSE, /* partial_inplace */
8a397dad
TS
939 0, /* src_mask */
940 0x0000ffff, /* dst_mask */
b34976b6 941 FALSE), /* pcrel_offset */
8a397dad
TS
942
943 /* 64 bit substraction. */
944 HOWTO (R_MIPS_SUB, /* type */
945 0, /* rightshift */
946 4, /* size (0 = byte, 1 = short, 2 = long) */
947 64, /* bitsize */
b34976b6 948 FALSE, /* pc_relative */
8a397dad
TS
949 0, /* bitpos */
950 complain_overflow_dont, /* complain_on_overflow */
951 mips_elf_generic_reloc, /* special_function */
952 "R_MIPS_SUB", /* name */
b34976b6 953 FALSE, /* partial_inplace */
8a397dad
TS
954 0, /* src_mask */
955 MINUS_ONE, /* dst_mask */
b34976b6 956 FALSE), /* pcrel_offset */
8a397dad
TS
957
958 /* Insert the addend as an instruction. */
959 /* FIXME: Not handled correctly. */
960 HOWTO (R_MIPS_INSERT_A, /* type */
961 0, /* rightshift */
962 2, /* size (0 = byte, 1 = short, 2 = long) */
963 32, /* bitsize */
b34976b6 964 FALSE, /* pc_relative */
8a397dad
TS
965 0, /* bitpos */
966 complain_overflow_dont, /* complain_on_overflow */
967 mips_elf_generic_reloc, /* special_function */
968 "R_MIPS_INSERT_A", /* name */
b34976b6 969 FALSE, /* partial_inplace */
8a397dad
TS
970 0, /* src_mask */
971 0xffffffff, /* dst_mask */
b34976b6 972 FALSE), /* pcrel_offset */
8a397dad
TS
973
974 /* Insert the addend as an instruction, and change all relocations
975 to refer to the old instruction at the address. */
976 /* FIXME: Not handled correctly. */
977 HOWTO (R_MIPS_INSERT_B, /* type */
978 0, /* rightshift */
979 2, /* size (0 = byte, 1 = short, 2 = long) */
980 32, /* bitsize */
b34976b6 981 FALSE, /* pc_relative */
8a397dad
TS
982 0, /* bitpos */
983 complain_overflow_dont, /* complain_on_overflow */
984 mips_elf_generic_reloc, /* special_function */
985 "R_MIPS_INSERT_B", /* name */
b34976b6 986 FALSE, /* partial_inplace */
8a397dad
TS
987 0, /* src_mask */
988 0xffffffff, /* dst_mask */
b34976b6 989 FALSE), /* pcrel_offset */
8a397dad
TS
990
991 /* Delete a 32 bit instruction. */
992 /* FIXME: Not handled correctly. */
993 HOWTO (R_MIPS_DELETE, /* type */
994 0, /* rightshift */
995 2, /* size (0 = byte, 1 = short, 2 = long) */
996 32, /* bitsize */
b34976b6 997 FALSE, /* pc_relative */
8a397dad
TS
998 0, /* bitpos */
999 complain_overflow_dont, /* complain_on_overflow */
1000 mips_elf_generic_reloc, /* special_function */
1001 "R_MIPS_DELETE", /* name */
b34976b6 1002 FALSE, /* partial_inplace */
8a397dad
TS
1003 0, /* src_mask */
1004 0xffffffff, /* dst_mask */
b34976b6 1005 FALSE), /* pcrel_offset */
8a397dad
TS
1006
1007 /* Get the higher value of a 64 bit addend. */
1008 HOWTO (R_MIPS_HIGHER, /* type */
1009 0, /* rightshift */
1010 2, /* size (0 = byte, 1 = short, 2 = long) */
1011 16, /* bitsize */
b34976b6 1012 FALSE, /* pc_relative */
8a397dad
TS
1013 0, /* bitpos */
1014 complain_overflow_dont, /* complain_on_overflow */
1015 mips_elf_generic_reloc, /* special_function */
1016 "R_MIPS_HIGHER", /* name */
b34976b6 1017 FALSE, /* partial_inplace */
8a397dad
TS
1018 0, /* src_mask */
1019 0x0000ffff, /* dst_mask */
b34976b6 1020 FALSE), /* pcrel_offset */
8a397dad
TS
1021
1022 /* Get the highest value of a 64 bit addend. */
1023 HOWTO (R_MIPS_HIGHEST, /* type */
1024 0, /* rightshift */
1025 2, /* size (0 = byte, 1 = short, 2 = long) */
1026 16, /* bitsize */
b34976b6 1027 FALSE, /* pc_relative */
8a397dad
TS
1028 0, /* bitpos */
1029 complain_overflow_dont, /* complain_on_overflow */
1030 mips_elf_generic_reloc, /* special_function */
1031 "R_MIPS_HIGHEST", /* name */
b34976b6 1032 FALSE, /* partial_inplace */
8a397dad
TS
1033 0, /* src_mask */
1034 0x0000ffff, /* dst_mask */
b34976b6 1035 FALSE), /* pcrel_offset */
8a397dad
TS
1036
1037 /* High 16 bits of displacement in global offset table. */
1038 HOWTO (R_MIPS_CALL_HI16, /* type */
1039 0, /* rightshift */
1040 2, /* size (0 = byte, 1 = short, 2 = long) */
1041 16, /* bitsize */
b34976b6 1042 FALSE, /* pc_relative */
8a397dad
TS
1043 0, /* bitpos */
1044 complain_overflow_dont, /* complain_on_overflow */
1045 mips_elf_generic_reloc, /* special_function */
1046 "R_MIPS_CALL_HI16", /* name */
b34976b6 1047 FALSE, /* partial_inplace */
8a397dad
TS
1048 0, /* src_mask */
1049 0x0000ffff, /* dst_mask */
b34976b6 1050 FALSE), /* pcrel_offset */
8a397dad
TS
1051
1052 /* Low 16 bits of displacement in global offset table. */
1053 HOWTO (R_MIPS_CALL_LO16, /* type */
1054 0, /* rightshift */
1055 2, /* size (0 = byte, 1 = short, 2 = long) */
1056 16, /* bitsize */
b34976b6 1057 FALSE, /* pc_relative */
8a397dad
TS
1058 0, /* bitpos */
1059 complain_overflow_dont, /* complain_on_overflow */
1060 mips_elf_generic_reloc, /* special_function */
1061 "R_MIPS_CALL_LO16", /* name */
b34976b6 1062 FALSE, /* partial_inplace */
8a397dad
TS
1063 0, /* src_mask */
1064 0x0000ffff, /* dst_mask */
b34976b6 1065 FALSE), /* pcrel_offset */
8a397dad
TS
1066
1067 /* Section displacement, used by an associated event location section. */
1068 HOWTO (R_MIPS_SCN_DISP, /* type */
1069 0, /* rightshift */
1070 2, /* size (0 = byte, 1 = short, 2 = long) */
1071 32, /* bitsize */
b34976b6 1072 FALSE, /* pc_relative */
8a397dad
TS
1073 0, /* bitpos */
1074 complain_overflow_dont, /* complain_on_overflow */
1075 mips_elf_generic_reloc, /* special_function */
1076 "R_MIPS_SCN_DISP", /* name */
b34976b6 1077 FALSE, /* partial_inplace */
8a397dad
TS
1078 0, /* src_mask */
1079 0xffffffff, /* dst_mask */
b34976b6 1080 FALSE), /* pcrel_offset */
8a397dad
TS
1081
1082 /* 16 bit relocation. */
1083 HOWTO (R_MIPS_REL16, /* type */
1084 0, /* rightshift */
1085 1, /* size (0 = byte, 1 = short, 2 = long) */
1086 16, /* bitsize */
b34976b6 1087 FALSE, /* pc_relative */
8a397dad
TS
1088 0, /* bitpos */
1089 complain_overflow_signed, /* complain_on_overflow */
1090 mips_elf_generic_reloc, /* special_function */
1091 "R_MIPS_REL16", /* name */
b34976b6 1092 FALSE, /* partial_inplace */
8a397dad
TS
1093 0, /* src_mask */
1094 0xffff, /* dst_mask */
b34976b6 1095 FALSE), /* pcrel_offset */
8a397dad
TS
1096
1097 /* These two are obsolete. */
1098 EMPTY_HOWTO (R_MIPS_ADD_IMMEDIATE),
1099 EMPTY_HOWTO (R_MIPS_PJUMP),
1100
1101 /* Similiar to R_MIPS_REL32, but used for relocations in a GOT section.
1102 It must be used for multigot GOT's (and only there). */
1103 HOWTO (R_MIPS_RELGOT, /* type */
1104 0, /* rightshift */
1105 2, /* size (0 = byte, 1 = short, 2 = long) */
1106 32, /* bitsize */
b34976b6 1107 FALSE, /* pc_relative */
8a397dad
TS
1108 0, /* bitpos */
1109 complain_overflow_dont, /* complain_on_overflow */
1110 mips_elf_generic_reloc, /* special_function */
1111 "R_MIPS_RELGOT", /* name */
b34976b6 1112 FALSE, /* partial_inplace */
8a397dad
TS
1113 0, /* src_mask */
1114 0xffffffff, /* dst_mask */
b34976b6 1115 FALSE), /* pcrel_offset */
8a397dad
TS
1116
1117 /* Protected jump conversion. This is an optimization hint. No
1118 relocation is required for correctness. */
1119 HOWTO (R_MIPS_JALR, /* type */
1120 0, /* rightshift */
1121 2, /* size (0 = byte, 1 = short, 2 = long) */
1122 32, /* bitsize */
b34976b6 1123 FALSE, /* pc_relative */
8a397dad
TS
1124 0, /* bitpos */
1125 complain_overflow_dont, /* complain_on_overflow */
1126 mips_elf_generic_reloc, /* special_function */
1127 "R_MIPS_JALR", /* name */
b34976b6 1128 FALSE, /* partial_inplace */
8a397dad
TS
1129 0, /* src_mask */
1130 0xffffffff, /* dst_mask */
b34976b6 1131 FALSE), /* pcrel_offset */
8a397dad
TS
1132};
1133
1134/* The reloc used for the mips16 jump instruction. */
1135static reloc_howto_type elf_mips16_jump_howto =
1136 HOWTO (R_MIPS16_26, /* type */
1137 2, /* rightshift */
1138 2, /* size (0 = byte, 1 = short, 2 = long) */
1139 26, /* bitsize */
b34976b6 1140 FALSE, /* pc_relative */
8a397dad
TS
1141 0, /* bitpos */
1142 complain_overflow_dont, /* complain_on_overflow */
1143 /* This needs complex overflow
1144 detection, because the upper four
1145 bits must match the PC. */
1146 mips16_jump_reloc, /* special_function */
1147 "R_MIPS16_26", /* name */
b34976b6 1148 TRUE, /* partial_inplace */
8a397dad
TS
1149 0x3ffffff, /* src_mask */
1150 0x3ffffff, /* dst_mask */
b34976b6 1151 FALSE); /* pcrel_offset */
8a397dad
TS
1152
1153/* The reloc used for the mips16 gprel instruction. */
1154static reloc_howto_type elf_mips16_gprel_howto =
1155 HOWTO (R_MIPS16_GPREL, /* type */
1156 0, /* rightshift */
1157 2, /* size (0 = byte, 1 = short, 2 = long) */
1158 16, /* bitsize */
b34976b6 1159 FALSE, /* pc_relative */
8a397dad
TS
1160 0, /* bitpos */
1161 complain_overflow_signed, /* complain_on_overflow */
1162 mips16_gprel_reloc, /* special_function */
1163 "R_MIPS16_GPREL", /* name */
b34976b6 1164 TRUE, /* partial_inplace */
8a397dad
TS
1165 0x07ff001f, /* src_mask */
1166 0x07ff001f, /* dst_mask */
b34976b6 1167 FALSE); /* pcrel_offset */
8a397dad
TS
1168
1169/* GNU extension to record C++ vtable hierarchy */
1170static reloc_howto_type elf_mips_gnu_vtinherit_howto =
1171 HOWTO (R_MIPS_GNU_VTINHERIT, /* type */
1172 0, /* rightshift */
1173 2, /* size (0 = byte, 1 = short, 2 = long) */
1174 0, /* bitsize */
b34976b6 1175 FALSE, /* pc_relative */
8a397dad
TS
1176 0, /* bitpos */
1177 complain_overflow_dont, /* complain_on_overflow */
1178 NULL, /* special_function */
1179 "R_MIPS_GNU_VTINHERIT", /* name */
b34976b6 1180 FALSE, /* partial_inplace */
8a397dad
TS
1181 0, /* src_mask */
1182 0, /* dst_mask */
b34976b6 1183 FALSE); /* pcrel_offset */
8a397dad
TS
1184
1185/* GNU extension to record C++ vtable member usage */
1186static reloc_howto_type elf_mips_gnu_vtentry_howto =
1187 HOWTO (R_MIPS_GNU_VTENTRY, /* type */
1188 0, /* rightshift */
1189 2, /* size (0 = byte, 1 = short, 2 = long) */
1190 0, /* bitsize */
b34976b6 1191 FALSE, /* pc_relative */
8a397dad
TS
1192 0, /* bitpos */
1193 complain_overflow_dont, /* complain_on_overflow */
1194 _bfd_elf_rel_vtable_reloc_fn, /* special_function */
1195 "R_MIPS_GNU_VTENTRY", /* name */
b34976b6 1196 FALSE, /* partial_inplace */
8a397dad
TS
1197 0, /* src_mask */
1198 0, /* dst_mask */
b34976b6 1199 FALSE); /* pcrel_offset */
8a397dad
TS
1200\f
1201/* This is derived from bfd_elf_generic_reloc. NewABI allows us to have
1202 several relocations against the same address. The addend is derived
1203 from the addends of preceding relocations. If we don't need to
1204 do something special, we simply keep track of the addend. */
1205
1206#define GET_RELOC_ADDEND(obfd, sym, entry, sec) \
1207{ \
1208 /* If we're relocating, and this is an external symbol, we don't \
1209 want to change anything. */ \
1210 if (obfd != (bfd *) NULL \
1211 && (sym->flags & BSF_SECTION_SYM) == 0 \
1212 && (! entry->howto->partial_inplace \
1213 || entry->addend == 0)) \
1214 { \
1215 entry->address += sec->output_offset; \
1216 return bfd_reloc_ok; \
1217 } \
1218 \
1219 /* The addend of combined relocs is remembered and left for \
1220 subsequent relocs. */ \
1221 if (prev_reloc_address != reloc_entry->address) \
1222 { \
1223 prev_reloc_address = reloc_entry->address; \
1224 prev_reloc_addend = reloc_entry->addend; \
1225 } \
1226 else \
1227 reloc_entry->addend = prev_reloc_addend; \
1228}
1229
1230#define SET_RELOC_ADDEND(entry) \
1231{ \
1232 prev_reloc_addend = entry->addend; \
1233}
1234
1235static bfd_reloc_status_type
1236mips_elf_generic_reloc (abfd, reloc_entry, symbol, data, input_section,
1237 output_bfd, error_message)
1238 bfd *abfd ATTRIBUTE_UNUSED;
1239 arelent *reloc_entry;
1240 asymbol *symbol;
1241 PTR data ATTRIBUTE_UNUSED;
1242 asection *input_section;
1243 bfd *output_bfd;
1244 char **error_message ATTRIBUTE_UNUSED;
1245{
1246 GET_RELOC_ADDEND (output_bfd, symbol, reloc_entry, input_section)
1247
1248 return bfd_reloc_continue;
1249}
1250\f
1251/* Do a R_MIPS_HI16 relocation. This has to be done in combination
1252 with a R_MIPS_LO16 reloc, because there is a carry from the LO16 to
1253 the HI16. Here we just save the information we need; we do the
1254 actual relocation when we see the LO16.
1255
1256 MIPS ELF requires that the LO16 immediately follow the HI16. As a
1257 GNU extension, for non-pc-relative relocations, we permit an
1258 arbitrary number of HI16 relocs to be associated with a single LO16
1259 reloc. This extension permits gcc to output the HI and LO relocs
1260 itself.
1261
1262 This cannot be done for PC-relative relocations because both the HI16
1263 and LO16 parts of the relocations must be done relative to the LO16
1264 part, and there can be carry to or borrow from the HI16 part. */
1265
1266struct mips_hi16
1267{
1268 struct mips_hi16 *next;
1269 bfd_byte *addr;
1270 bfd_vma addend;
1271};
1272
1273/* FIXME: This should not be a static variable. */
1274
1275static struct mips_hi16 *mips_hi16_list;
1276
1277static bfd_reloc_status_type
1278mips_elf_hi16_reloc (abfd, reloc_entry, symbol, data, input_section,
1279 output_bfd, error_message)
1280 bfd *abfd ATTRIBUTE_UNUSED;
1281 arelent *reloc_entry;
1282 asymbol *symbol;
1283 PTR data;
1284 asection *input_section;
1285 bfd *output_bfd;
1286 char **error_message ATTRIBUTE_UNUSED;
1287{
1288 bfd_reloc_status_type ret;
1289 bfd_vma relocation;
1290 struct mips_hi16 *n;
1291
1292 GET_RELOC_ADDEND (output_bfd, symbol, reloc_entry, input_section)
1293
1294 ret = bfd_reloc_ok;
1295
1296 if (bfd_is_und_section (symbol->section) && output_bfd == (bfd *) NULL)
1297 ret = bfd_reloc_undefined;
1298
1299 if (bfd_is_com_section (symbol->section))
1300 relocation = 0;
1301 else
1302 relocation = symbol->value;
1303
1304 relocation += symbol->section->output_section->vma;
1305 relocation += symbol->section->output_offset;
1306 relocation += reloc_entry->addend;
1307
1308 if (reloc_entry->address > input_section->_cooked_size)
1309 return bfd_reloc_outofrange;
1310
1311 /* Save the information, and let LO16 do the actual relocation. */
1312 n = (struct mips_hi16 *) bfd_malloc ((bfd_size_type) sizeof *n);
1313 if (n == NULL)
1314 return bfd_reloc_outofrange;
1315 n->addr = (bfd_byte *) data + reloc_entry->address;
1316 n->addend = relocation;
1317 n->next = mips_hi16_list;
1318 mips_hi16_list = n;
1319
1320 if (output_bfd != (bfd *) NULL)
1321 reloc_entry->address += input_section->output_offset;
1322
1323 return ret;
1324}
1325
1326/* Do a R_MIPS_LO16 relocation. This is a straightforward 16 bit
1327 inplace relocation; this function exists in order to do the
1328 R_MIPS_HI16 relocation described above. */
1329
1330static bfd_reloc_status_type
1331mips_elf_lo16_reloc (abfd, reloc_entry, symbol, data, input_section,
1332 output_bfd, error_message)
1333 bfd *abfd;
1334 arelent *reloc_entry;
1335 asymbol *symbol;
1336 PTR data;
1337 asection *input_section;
1338 bfd *output_bfd;
1339 char **error_message;
1340{
1341 if (mips_hi16_list != NULL)
1342 {
1343 struct mips_hi16 *l;
1344
1345 l = mips_hi16_list;
1346 while (l != NULL)
1347 {
1348 unsigned long insn;
1349 unsigned long val;
1350 unsigned long vallo;
1351 struct mips_hi16 *next;
1352
1353 /* Do the HI16 relocation. Note that we actually don't need
1354 to know anything about the LO16 itself, except where to
1355 find the low 16 bits of the addend needed by the LO16. */
1356 insn = bfd_get_32 (abfd, l->addr);
1357 vallo = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
1358
1359 /* The low order 16 bits are always treated as a signed
1360 value. */
1361 vallo = ((vallo & 0xffff) ^ 0x8000) - 0x8000;
1362 val = ((insn & 0xffff) << 16) + vallo;
1363 val += l->addend;
1364
1365 /* If PC-relative, we need to subtract out the address of the LO
1366 half of the HI/LO. (The actual relocation is relative
1367 to that instruction.) */
1368 if (reloc_entry->howto->pc_relative)
1369 val -= reloc_entry->address;
1370
1371 /* At this point, "val" has the value of the combined HI/LO
1372 pair. If the low order 16 bits (which will be used for
1373 the LO16 insn) are negative, then we will need an
1374 adjustment for the high order 16 bits. */
1375 val += 0x8000;
1376 val = (val >> 16) & 0xffff;
1377
1378 insn &= ~ (bfd_vma) 0xffff;
1379 insn |= val;
1380 bfd_put_32 (abfd, (bfd_vma) insn, l->addr);
1381
1382 next = l->next;
1383 free (l);
1384 l = next;
1385 }
1386
1387 mips_hi16_list = NULL;
1388 }
1389
1390 /* Now do the LO16 reloc in the usual way. */
1391 return mips_elf_generic_reloc (abfd, reloc_entry, symbol, data,
1392 input_section, output_bfd, error_message);
1393}
1394
1395/* Do a R_MIPS_GOT16 reloc. This is a reloc against the global offset
1396 table used for PIC code. If the symbol is an external symbol, the
1397 instruction is modified to contain the offset of the appropriate
1398 entry in the global offset table. If the symbol is a section
1399 symbol, the next reloc is a R_MIPS_LO16 reloc. The two 16 bit
1400 addends are combined to form the real addend against the section
1401 symbol; the GOT16 is modified to contain the offset of an entry in
1402 the global offset table, and the LO16 is modified to offset it
1403 appropriately. Thus an offset larger than 16 bits requires a
1404 modified value in the global offset table.
1405
1406 This implementation suffices for the assembler, but the linker does
1407 not yet know how to create global offset tables. */
1408
1409static bfd_reloc_status_type
1410mips_elf_got16_reloc (abfd, reloc_entry, symbol, data, input_section,
1411 output_bfd, error_message)
1412 bfd *abfd;
1413 arelent *reloc_entry;
1414 asymbol *symbol;
1415 PTR data;
1416 asection *input_section;
1417 bfd *output_bfd;
1418 char **error_message;
1419{
1420 /* If we're relocating, and this is a local symbol, we can handle it
1421 just like HI16. */
1422 if (output_bfd != (bfd *) NULL
1423 && (symbol->flags & BSF_SECTION_SYM) != 0)
1424 return mips_elf_hi16_reloc (abfd, reloc_entry, symbol, data,
1425 input_section, output_bfd, error_message);
1426
1427 /* Otherwise we try to handle it as R_MIPS_GOT_DISP. */
1428 return mips_elf_generic_reloc (abfd, reloc_entry, symbol, data,
1429 input_section, output_bfd, error_message);
1430}
1431
b34976b6 1432/* Set the GP value for OUTPUT_BFD. Returns FALSE if this is a
8a397dad
TS
1433 dangerous relocation. */
1434
b34976b6 1435static bfd_boolean
8a397dad
TS
1436mips_elf_assign_gp (output_bfd, pgp)
1437 bfd *output_bfd;
1438 bfd_vma *pgp;
1439{
1440 unsigned int count;
1441 asymbol **sym;
1442 unsigned int i;
1443
1444 /* If we've already figured out what GP will be, just return it. */
1445 *pgp = _bfd_get_gp_value (output_bfd);
1446 if (*pgp)
b34976b6 1447 return TRUE;
8a397dad
TS
1448
1449 count = bfd_get_symcount (output_bfd);
1450 sym = bfd_get_outsymbols (output_bfd);
1451
1452 /* The linker script will have created a symbol named `_gp' with the
1453 appropriate value. */
1454 if (sym == (asymbol **) NULL)
1455 i = count;
1456 else
1457 {
1458 for (i = 0; i < count; i++, sym++)
1459 {
1460 register const char *name;
1461
1462 name = bfd_asymbol_name (*sym);
1463 if (*name == '_' && strcmp (name, "_gp") == 0)
1464 {
1465 *pgp = bfd_asymbol_value (*sym);
1466 _bfd_set_gp_value (output_bfd, *pgp);
1467 break;
1468 }
1469 }
1470 }
1471
1472 if (i >= count)
1473 {
1474 /* Only get the error once. */
1475 *pgp = 4;
1476 _bfd_set_gp_value (output_bfd, *pgp);
b34976b6 1477 return FALSE;
8a397dad
TS
1478 }
1479
b34976b6 1480 return TRUE;
8a397dad
TS
1481}
1482
1483/* We have to figure out the gp value, so that we can adjust the
1484 symbol value correctly. We look up the symbol _gp in the output
1485 BFD. If we can't find it, we're stuck. We cache it in the ELF
1486 target data. We don't need to adjust the symbol value for an
1487 external symbol if we are producing relocateable output. */
1488
1489static bfd_reloc_status_type
1490mips_elf_final_gp (output_bfd, symbol, relocateable, error_message, pgp)
1491 bfd *output_bfd;
1492 asymbol *symbol;
b34976b6 1493 bfd_boolean relocateable;
8a397dad
TS
1494 char **error_message;
1495 bfd_vma *pgp;
1496{
1497 if (bfd_is_und_section (symbol->section)
1498 && ! relocateable)
1499 {
1500 *pgp = 0;
1501 return bfd_reloc_undefined;
1502 }
1503
1504 *pgp = _bfd_get_gp_value (output_bfd);
1505 if (*pgp == 0
1506 && (! relocateable
1507 || (symbol->flags & BSF_SECTION_SYM) != 0))
1508 {
1509 if (relocateable)
1510 {
1511 /* Make up a value. */
a902ee94 1512 *pgp = symbol->section->output_section->vma /*+ 0x4000*/;
8a397dad
TS
1513 _bfd_set_gp_value (output_bfd, *pgp);
1514 }
1515 else if (!mips_elf_assign_gp (output_bfd, pgp))
1516 {
1517 *error_message =
1518 (char *) _("GP relative relocation when _gp not defined");
1519 return bfd_reloc_dangerous;
1520 }
1521 }
1522
1523 return bfd_reloc_ok;
1524}
1525
1526/* Do a R_MIPS_GPREL16 relocation. This is a 16 bit value which must
1527 become the offset from the gp register. */
1528
1529static bfd_reloc_status_type
1530mips_elf_gprel16_reloc (abfd, reloc_entry, symbol, data, input_section,
1531 output_bfd, error_message)
1532 bfd *abfd ATTRIBUTE_UNUSED;
1533 arelent *reloc_entry;
1534 asymbol *symbol;
1535 PTR data ATTRIBUTE_UNUSED;
1536 asection *input_section;
1537 bfd *output_bfd;
1538 char **error_message ATTRIBUTE_UNUSED;
1539{
b34976b6 1540 bfd_boolean relocateable;
8a397dad
TS
1541 bfd_reloc_status_type ret;
1542 bfd_vma gp;
1543
1544 GET_RELOC_ADDEND (output_bfd, symbol, reloc_entry, input_section)
1545
1546 if (output_bfd != (bfd *) NULL)
b34976b6 1547 relocateable = TRUE;
8a397dad
TS
1548 else
1549 {
b34976b6 1550 relocateable = FALSE;
8a397dad
TS
1551 output_bfd = symbol->section->output_section->owner;
1552 }
1553
1554 ret = mips_elf_final_gp (output_bfd, symbol, relocateable, error_message,
1555 &gp);
1556 if (ret != bfd_reloc_ok)
1557 return ret;
1558
1559 return _bfd_mips_elf_gprel16_with_gp (abfd, symbol, reloc_entry,
1560 input_section, relocateable,
1561 data, gp);
1562}
1563
1564/* Do a R_MIPS_LITERAL relocation. */
1565
1566static bfd_reloc_status_type
1567mips_elf_literal_reloc (abfd, reloc_entry, symbol, data, input_section,
1568 output_bfd, error_message)
1569 bfd *abfd;
1570 arelent *reloc_entry;
1571 asymbol *symbol;
1572 PTR data;
1573 asection *input_section;
1574 bfd *output_bfd;
1575 char **error_message;
1576{
b34976b6 1577 bfd_boolean relocateable;
8a397dad
TS
1578 bfd_reloc_status_type ret;
1579 bfd_vma gp;
1580
1581 GET_RELOC_ADDEND (output_bfd, symbol, reloc_entry, input_section)
1582
1583 /* FIXME: The entries in the .lit8 and .lit4 sections should be merged. */
1584 if (output_bfd != (bfd *) NULL)
b34976b6 1585 relocateable = TRUE;
8a397dad
TS
1586 else
1587 {
b34976b6 1588 relocateable = FALSE;
8a397dad
TS
1589 output_bfd = symbol->section->output_section->owner;
1590 }
1591
1592 ret = mips_elf_final_gp (output_bfd, symbol, relocateable, error_message,
1593 &gp);
1594 if (ret != bfd_reloc_ok)
1595 return ret;
1596
1597 return _bfd_mips_elf_gprel16_with_gp (abfd, symbol, reloc_entry,
1598 input_section, relocateable,
1599 data, gp);
1600}
1601
1602/* Do a R_MIPS_GPREL32 relocation. This is a 32 bit value which must
1603 become the offset from the gp register. */
1604
1605static bfd_reloc_status_type
1606mips_elf_gprel32_reloc (abfd, reloc_entry, symbol, data, input_section,
1607 output_bfd, error_message)
1608 bfd *abfd;
1609 arelent *reloc_entry;
1610 asymbol *symbol;
1611 PTR data;
1612 asection *input_section;
1613 bfd *output_bfd;
1614 char **error_message;
1615{
b34976b6 1616 bfd_boolean relocateable;
8a397dad
TS
1617 bfd_reloc_status_type ret;
1618 bfd_vma gp;
1619
1620 GET_RELOC_ADDEND (output_bfd, symbol, reloc_entry, input_section)
1621
1622 /* R_MIPS_GPREL32 relocations are defined for local symbols only.
1623 We will only have an addend if this is a newly created reloc,
1624 not read from an ELF file. */
1625 if (output_bfd != (bfd *) NULL
1626 && (symbol->flags & BSF_SECTION_SYM) == 0
1627 && reloc_entry->addend == 0)
1628 {
1629 *error_message = (char *)
1630 _("32bits gp relative relocation occurs for an external symbol");
1631 return bfd_reloc_outofrange;
1632 }
1633
1634 if (output_bfd != (bfd *) NULL)
1635 {
b34976b6 1636 relocateable = TRUE;
8a397dad
TS
1637 gp = _bfd_get_gp_value (output_bfd);
1638 }
1639 else
1640 {
b34976b6 1641 relocateable = FALSE;
8a397dad
TS
1642 output_bfd = symbol->section->output_section->owner;
1643
1644 ret = mips_elf_final_gp (output_bfd, symbol, relocateable,
1645 error_message, &gp);
1646 if (ret != bfd_reloc_ok)
1647 return ret;
1648 }
1649
1650 return gprel32_with_gp (abfd, symbol, reloc_entry, input_section,
1651 relocateable, data, gp);
1652}
1653
1654static bfd_reloc_status_type
1655gprel32_with_gp (abfd, symbol, reloc_entry, input_section, relocateable, data,
1656 gp)
1657 bfd *abfd;
1658 asymbol *symbol;
1659 arelent *reloc_entry;
1660 asection *input_section;
b34976b6 1661 bfd_boolean relocateable;
8a397dad
TS
1662 PTR data;
1663 bfd_vma gp;
1664{
1665 bfd_vma relocation;
1666 unsigned long val;
1667
1668 if (bfd_is_com_section (symbol->section))
1669 relocation = 0;
1670 else
1671 relocation = symbol->value;
1672
1673 relocation += symbol->section->output_section->vma;
1674 relocation += symbol->section->output_offset;
1675
1676 if (reloc_entry->address > input_section->_cooked_size)
1677 return bfd_reloc_outofrange;
1678
1679 if (reloc_entry->howto->src_mask == 0)
1680 val = 0;
1681 else
1682 val = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
1683
1684 /* Set val to the offset into the section or symbol. */
1685 val += reloc_entry->addend;
1686
1687 /* Adjust val for the final section location and GP value. If we
1688 are producing relocateable output, we don't want to do this for
1689 an external symbol. */
1690 if (! relocateable
1691 || (symbol->flags & BSF_SECTION_SYM) != 0)
1692 val += relocation - gp;
1693
1694 bfd_put_32 (abfd, (bfd_vma) val, (bfd_byte *) data + reloc_entry->address);
1695
1696 if (relocateable)
1697 reloc_entry->address += input_section->output_offset;
1698
1699 return bfd_reloc_ok;
1700}
1701
1702/* Do a R_MIPS_SHIFT6 relocation. The MSB of the shift is stored at bit 2,
1703 the rest is at bits 6-10. The bitpos already got right by the howto. */
1704
1705static bfd_reloc_status_type
1706mips_elf_shift6_reloc (abfd, reloc_entry, symbol, data, input_section,
1707 output_bfd, error_message)
1708 bfd *abfd ATTRIBUTE_UNUSED;
1709 arelent *reloc_entry;
1710 asymbol *symbol;
1711 PTR data ATTRIBUTE_UNUSED;
1712 asection *input_section;
1713 bfd *output_bfd;
1714 char **error_message ATTRIBUTE_UNUSED;
1715{
1716 GET_RELOC_ADDEND (output_bfd, symbol, reloc_entry, input_section)
1717
1718 reloc_entry->addend = (reloc_entry->addend & 0x00007c0)
1719 | (reloc_entry->addend & 0x00000800) >> 9;
1720
1721 SET_RELOC_ADDEND (reloc_entry)
1722
1723 return bfd_reloc_continue;
1724}
1725\f
1726/* Handle a mips16 jump. */
1727
1728static bfd_reloc_status_type
1729mips16_jump_reloc (abfd, reloc_entry, symbol, data, input_section,
1730 output_bfd, error_message)
1731 bfd *abfd ATTRIBUTE_UNUSED;
1732 arelent *reloc_entry;
1733 asymbol *symbol;
1734 PTR data ATTRIBUTE_UNUSED;
1735 asection *input_section;
1736 bfd *output_bfd;
1737 char **error_message ATTRIBUTE_UNUSED;
1738{
b34976b6 1739 static bfd_boolean warned = FALSE;
8a397dad
TS
1740
1741 GET_RELOC_ADDEND (output_bfd, symbol, reloc_entry, input_section)
1742
1743 /* FIXME. */
1744 if (! warned)
1745 (*_bfd_error_handler)
1746 (_("Linking mips16 objects into %s format is not supported"),
1747 bfd_get_target (input_section->output_section->owner));
b34976b6 1748 warned = TRUE;
8a397dad
TS
1749
1750 return bfd_reloc_undefined;
1751}
1752
1753/* Handle a mips16 GP relative reloc. */
1754
1755static bfd_reloc_status_type
1756mips16_gprel_reloc (abfd, reloc_entry, symbol, data, input_section,
1757 output_bfd, error_message)
1758 bfd *abfd;
1759 arelent *reloc_entry;
1760 asymbol *symbol;
1761 PTR data;
1762 asection *input_section;
1763 bfd *output_bfd;
1764 char **error_message;
1765{
b34976b6 1766 bfd_boolean relocateable;
8a397dad
TS
1767 bfd_reloc_status_type ret;
1768 bfd_vma gp;
1769 unsigned short extend, insn;
1770 unsigned long final;
1771
1772 GET_RELOC_ADDEND (output_bfd, symbol, reloc_entry, input_section)
1773
1774 if (output_bfd != NULL)
b34976b6 1775 relocateable = TRUE;
8a397dad
TS
1776 else
1777 {
b34976b6 1778 relocateable = FALSE;
8a397dad
TS
1779 output_bfd = symbol->section->output_section->owner;
1780 }
1781
1782 ret = mips_elf_final_gp (output_bfd, symbol, relocateable, error_message,
1783 &gp);
1784 if (ret != bfd_reloc_ok)
1785 return ret;
1786
1787 if (reloc_entry->address > input_section->_cooked_size)
1788 return bfd_reloc_outofrange;
1789
1790 /* Pick up the mips16 extend instruction and the real instruction. */
1791 extend = bfd_get_16 (abfd, (bfd_byte *) data + reloc_entry->address);
1792 insn = bfd_get_16 (abfd, (bfd_byte *) data + reloc_entry->address + 2);
1793
1794 /* Stuff the current addend back as a 32 bit value, do the usual
1795 relocation, and then clean up. */
1796 bfd_put_32 (abfd,
1797 (bfd_vma) (((extend & 0x1f) << 11)
1798 | (extend & 0x7e0)
1799 | (insn & 0x1f)),
1800 (bfd_byte *) data + reloc_entry->address);
1801
1802 ret = _bfd_mips_elf_gprel16_with_gp (abfd, symbol, reloc_entry,
1803 input_section, relocateable, data, gp);
1804
1805 final = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
1806 bfd_put_16 (abfd,
1807 (bfd_vma) ((extend & 0xf800)
1808 | ((final >> 11) & 0x1f)
1809 | (final & 0x7e0)),
1810 (bfd_byte *) data + reloc_entry->address);
1811 bfd_put_16 (abfd,
1812 (bfd_vma) ((insn & 0xffe0)
1813 | (final & 0x1f)),
1814 (bfd_byte *) data + reloc_entry->address + 2);
1815
1816 return ret;
1817}
1818
1819#undef GET_RELOC_ADDEND
1820#undef SET_RELOC_ADDEND
1821\f
1822/* A mapping from BFD reloc types to MIPS ELF reloc types. */
1823
1824struct elf_reloc_map {
1825 bfd_reloc_code_real_type bfd_val;
1826 enum elf_mips_reloc_type elf_val;
1827};
1828
1829static const struct elf_reloc_map mips_reloc_map[] =
1830{
1831 { BFD_RELOC_NONE, R_MIPS_NONE },
1832 { BFD_RELOC_16, R_MIPS_16 },
1833 { BFD_RELOC_32, R_MIPS_32 },
1834 /* There is no BFD reloc for R_MIPS_REL32. */
1835 { BFD_RELOC_CTOR, R_MIPS_32 },
1836 { BFD_RELOC_64, R_MIPS_64 },
1837 { BFD_RELOC_16_PCREL, R_MIPS_PC16 },
1838 { BFD_RELOC_HI16_S, R_MIPS_HI16 },
1839 { BFD_RELOC_LO16, R_MIPS_LO16 },
1840 { BFD_RELOC_GPREL16, R_MIPS_GPREL16 },
1841 { BFD_RELOC_GPREL32, R_MIPS_GPREL32 },
1842 { BFD_RELOC_MIPS_JMP, R_MIPS_26 },
1843 { BFD_RELOC_MIPS_LITERAL, R_MIPS_LITERAL },
1844 { BFD_RELOC_MIPS_GOT16, R_MIPS_GOT16 },
1845 { BFD_RELOC_MIPS_CALL16, R_MIPS_CALL16 },
1846 { BFD_RELOC_MIPS_SHIFT5, R_MIPS_SHIFT5 },
1847 { BFD_RELOC_MIPS_SHIFT6, R_MIPS_SHIFT6 },
1848 { BFD_RELOC_MIPS_GOT_DISP, R_MIPS_GOT_DISP },
1849 { BFD_RELOC_MIPS_GOT_PAGE, R_MIPS_GOT_PAGE },
1850 { BFD_RELOC_MIPS_GOT_OFST, R_MIPS_GOT_OFST },
1851 { BFD_RELOC_MIPS_GOT_HI16, R_MIPS_GOT_HI16 },
1852 { BFD_RELOC_MIPS_GOT_LO16, R_MIPS_GOT_LO16 },
1853 { BFD_RELOC_MIPS_SUB, R_MIPS_SUB },
1854 { BFD_RELOC_MIPS_INSERT_A, R_MIPS_INSERT_A },
1855 { BFD_RELOC_MIPS_INSERT_B, R_MIPS_INSERT_B },
1856 { BFD_RELOC_MIPS_DELETE, R_MIPS_DELETE },
1857 { BFD_RELOC_MIPS_HIGHEST, R_MIPS_HIGHEST },
1858 { BFD_RELOC_MIPS_HIGHER, R_MIPS_HIGHER },
1859 { BFD_RELOC_MIPS_CALL_HI16, R_MIPS_CALL_HI16 },
1860 { BFD_RELOC_MIPS_CALL_LO16, R_MIPS_CALL_LO16 },
1861 { BFD_RELOC_MIPS_SCN_DISP, R_MIPS_SCN_DISP },
1862 { BFD_RELOC_MIPS_REL16, R_MIPS_REL16 },
1863 /* Use of R_MIPS_ADD_IMMEDIATE and R_MIPS_PJUMP is deprecated. */
1864 { BFD_RELOC_MIPS_RELGOT, R_MIPS_RELGOT },
1865 { BFD_RELOC_MIPS_JALR, R_MIPS_JALR }
1866};
1867
1868/* Given a BFD reloc type, return a howto structure. */
1869
1870static reloc_howto_type *
1871bfd_elf32_bfd_reloc_type_lookup (abfd, code)
1872 bfd *abfd ATTRIBUTE_UNUSED;
1873 bfd_reloc_code_real_type code;
1874{
1875 unsigned int i;
1876 /* FIXME: We default to RELA here instead of choosing the right
1877 relocation variant. */
1878 reloc_howto_type *howto_table = elf_mips_howto_table_rela;
1879
1880 for (i = 0; i < sizeof (mips_reloc_map) / sizeof (struct elf_reloc_map);
1881 i++)
1882 {
1883 if (mips_reloc_map[i].bfd_val == code)
1884 return &howto_table[(int) mips_reloc_map[i].elf_val];
1885 }
1886
1887 switch (code)
1888 {
1889 case BFD_RELOC_MIPS16_JMP:
1890 return &elf_mips16_jump_howto;
1891 case BFD_RELOC_MIPS16_GPREL:
1892 return &elf_mips16_gprel_howto;
1893 case BFD_RELOC_VTABLE_INHERIT:
1894 return &elf_mips_gnu_vtinherit_howto;
1895 case BFD_RELOC_VTABLE_ENTRY:
1896 return &elf_mips_gnu_vtentry_howto;
1897 default:
1898 bfd_set_error (bfd_error_bad_value);
1899 return NULL;
1900 }
1901}
1902
947216bf 1903/* Given a MIPS Elf_Internal_Rel, fill in an arelent structure. */
8a397dad
TS
1904
1905static reloc_howto_type *
1906mips_elf_n32_rtype_to_howto (r_type, rela_p)
1907 unsigned int r_type;
b34976b6 1908 bfd_boolean rela_p;
8a397dad
TS
1909{
1910 switch (r_type)
1911 {
1912 case R_MIPS16_26:
1913 return &elf_mips16_jump_howto;
1914 case R_MIPS16_GPREL:
1915 return &elf_mips16_gprel_howto;
1916 case R_MIPS_GNU_VTINHERIT:
1917 return &elf_mips_gnu_vtinherit_howto;
1918 case R_MIPS_GNU_VTENTRY:
1919 return &elf_mips_gnu_vtentry_howto;
1920 default:
1921 BFD_ASSERT (r_type < (unsigned int) R_MIPS_max);
1922 if (rela_p)
1923 return &elf_mips_howto_table_rela[r_type];
1924 else
1925 return &elf_mips_howto_table_rel[r_type];
1926 break;
1927 }
1928}
1929
947216bf 1930/* Given a MIPS Elf_Internal_Rel, fill in an arelent structure. */
8a397dad
TS
1931
1932static void
1933mips_info_to_howto_rel (abfd, cache_ptr, dst)
1934 bfd *abfd;
1935 arelent *cache_ptr;
947216bf 1936 Elf_Internal_Rela *dst;
8a397dad
TS
1937{
1938 unsigned int r_type;
1939
1940 r_type = ELF32_R_TYPE (dst->r_info);
b34976b6 1941 cache_ptr->howto = mips_elf_n32_rtype_to_howto (r_type, FALSE);
8a397dad
TS
1942
1943 /* The addend for a GPREL16 or LITERAL relocation comes from the GP
1944 value for the object file. We get the addend now, rather than
1945 when we do the relocation, because the symbol manipulations done
1946 by the linker may cause us to lose track of the input BFD. */
1947 if (((*cache_ptr->sym_ptr_ptr)->flags & BSF_SECTION_SYM) != 0
1948 && (r_type == (unsigned int) R_MIPS_GPREL16
1949 || r_type == (unsigned int) R_MIPS_LITERAL))
1950 cache_ptr->addend = elf_gp (abfd);
1951}
1952
947216bf 1953/* Given a MIPS Elf_Internal_Rela, fill in an arelent structure. */
8a397dad
TS
1954
1955static void
1956mips_info_to_howto_rela (abfd, cache_ptr, dst)
1957 bfd *abfd ATTRIBUTE_UNUSED;
1958 arelent *cache_ptr;
947216bf 1959 Elf_Internal_Rela *dst;
8a397dad
TS
1960{
1961 unsigned int r_type;
1962
1963 r_type = ELF32_R_TYPE (dst->r_info);
b34976b6 1964 cache_ptr->howto = mips_elf_n32_rtype_to_howto (r_type, TRUE);
8a397dad
TS
1965 cache_ptr->addend = dst->r_addend;
1966}
1967\f
1968/* Determine whether a symbol is global for the purposes of splitting
1969 the symbol table into global symbols and local symbols. At least
1970 on Irix 5, this split must be between section symbols and all other
1971 symbols. On most ELF targets the split is between static symbols
1972 and externally visible symbols. */
1973
b34976b6 1974static bfd_boolean
8a397dad
TS
1975mips_elf_sym_is_global (abfd, sym)
1976 bfd *abfd ATTRIBUTE_UNUSED;
1977 asymbol *sym;
1978{
1979 if (SGI_COMPAT (abfd))
1980 return (sym->flags & BSF_SECTION_SYM) == 0;
1981 else
1982 return ((sym->flags & (BSF_GLOBAL | BSF_WEAK)) != 0
1983 || bfd_is_und_section (bfd_get_section (sym))
1984 || bfd_is_com_section (bfd_get_section (sym)));
1985}
1986\f
1987/* Set the right machine number for a MIPS ELF file. */
1988
b34976b6 1989static bfd_boolean
8a397dad
TS
1990mips_elf_n32_object_p (abfd)
1991 bfd *abfd;
1992{
1993 unsigned long mach;
1994
1995 /* Irix 5 and 6 are broken. Object file symbol tables are not always
1996 sorted correctly such that local symbols precede global symbols,
1997 and the sh_info field in the symbol table is not always right. */
1998 if (SGI_COMPAT (abfd))
b34976b6 1999 elf_bad_symtab (abfd) = TRUE;
8a397dad
TS
2000
2001 mach = _bfd_elf_mips_mach (elf_elfheader (abfd)->e_flags);
2002 bfd_default_set_arch_mach (abfd, bfd_arch_mips, mach);
2003
2004 if (! ABI_N32_P(abfd))
b34976b6 2005 return FALSE;
8a397dad 2006
b34976b6 2007 return TRUE;
8a397dad
TS
2008}
2009\f
2010/* Support for core dump NOTE sections. */
b34976b6 2011static bfd_boolean
8a397dad
TS
2012elf32_mips_grok_prstatus (abfd, note)
2013 bfd *abfd;
2014 Elf_Internal_Note *note;
2015{
2016 int offset;
2017 unsigned int raw_size;
2018
2019 switch (note->descsz)
2020 {
2021 default:
b34976b6 2022 return FALSE;
8a397dad
TS
2023
2024 case 256: /* Linux/MIPS */
2025 /* pr_cursig */
2026 elf_tdata (abfd)->core_signal = bfd_get_16 (abfd, note->descdata + 12);
2027
2028 /* pr_pid */
2029 elf_tdata (abfd)->core_pid = bfd_get_32 (abfd, note->descdata + 24);
2030
2031 /* pr_reg */
2032 offset = 72;
2033 raw_size = 180;
2034
2035 break;
2036 }
2037
2038 /* Make a ".reg/999" section. */
2039 return _bfd_elfcore_make_pseudosection (abfd, ".reg", raw_size,
2040 note->descpos + offset);
2041}
2042
b34976b6 2043static bfd_boolean
8a397dad
TS
2044elf32_mips_grok_psinfo (abfd, note)
2045 bfd *abfd;
2046 Elf_Internal_Note *note;
2047{
2048 switch (note->descsz)
2049 {
2050 default:
b34976b6 2051 return FALSE;
8a397dad
TS
2052
2053 case 128: /* Linux/MIPS elf_prpsinfo */
2054 elf_tdata (abfd)->core_program
2055 = _bfd_elfcore_strndup (abfd, note->descdata + 32, 16);
2056 elf_tdata (abfd)->core_command
2057 = _bfd_elfcore_strndup (abfd, note->descdata + 48, 80);
2058 }
2059
2060 /* Note that for some reason, a spurious space is tacked
2061 onto the end of the args in some (at least one anyway)
2062 implementations, so strip it off if it exists. */
2063
2064 {
2065 char *command = elf_tdata (abfd)->core_command;
2066 int n = strlen (command);
2067
2068 if (0 < n && command[n - 1] == ' ')
2069 command[n - 1] = '\0';
2070 }
2071
b34976b6 2072 return TRUE;
8a397dad
TS
2073}
2074\f
2075/* Depending on the target vector we generate some version of Irix
2076 executables or "normal" MIPS ELF ABI executables. */
2077static irix_compat_t
2078elf_n32_mips_irix_compat (abfd)
2079 bfd *abfd;
2080{
2081 if ((abfd->xvec == &bfd_elf32_nbigmips_vec)
2082 || (abfd->xvec == &bfd_elf32_nlittlemips_vec))
2083 return ict_irix6;
2084 else
2085 return ict_none;
2086}
2087\f
2088/* ECOFF swapping routines. These are used when dealing with the
2089 .mdebug section, which is in the ECOFF debugging format. */
2090static const struct ecoff_debug_swap mips_elf32_ecoff_debug_swap = {
2091 /* Symbol table magic number. */
2092 magicSym,
2093 /* Alignment of debugging information. E.g., 4. */
2094 4,
2095 /* Sizes of external symbolic information. */
2096 sizeof (struct hdr_ext),
2097 sizeof (struct dnr_ext),
2098 sizeof (struct pdr_ext),
2099 sizeof (struct sym_ext),
2100 sizeof (struct opt_ext),
2101 sizeof (struct fdr_ext),
2102 sizeof (struct rfd_ext),
2103 sizeof (struct ext_ext),
2104 /* Functions to swap in external symbolic data. */
2105 ecoff_swap_hdr_in,
2106 ecoff_swap_dnr_in,
2107 ecoff_swap_pdr_in,
2108 ecoff_swap_sym_in,
2109 ecoff_swap_opt_in,
2110 ecoff_swap_fdr_in,
2111 ecoff_swap_rfd_in,
2112 ecoff_swap_ext_in,
2113 _bfd_ecoff_swap_tir_in,
2114 _bfd_ecoff_swap_rndx_in,
2115 /* Functions to swap out external symbolic data. */
2116 ecoff_swap_hdr_out,
2117 ecoff_swap_dnr_out,
2118 ecoff_swap_pdr_out,
2119 ecoff_swap_sym_out,
2120 ecoff_swap_opt_out,
2121 ecoff_swap_fdr_out,
2122 ecoff_swap_rfd_out,
2123 ecoff_swap_ext_out,
2124 _bfd_ecoff_swap_tir_out,
2125 _bfd_ecoff_swap_rndx_out,
2126 /* Function to read in symbolic data. */
2127 _bfd_mips_elf_read_ecoff_info
2128};
2129\f
2130#define ELF_ARCH bfd_arch_mips
2131#define ELF_MACHINE_CODE EM_MIPS
2132
2133/* The SVR4 MIPS ABI says that this should be 0x10000, but Irix 5 uses
2134 a value of 0x1000, and we are compatible.
2135 FIXME: How does this affect NewABI? */
2136#define ELF_MAXPAGESIZE 0x1000
2137
b34976b6
AM
2138#define elf_backend_collect TRUE
2139#define elf_backend_type_change_ok TRUE
2140#define elf_backend_can_gc_sections TRUE
8a397dad
TS
2141#define elf_info_to_howto mips_info_to_howto_rela
2142#define elf_info_to_howto_rel mips_info_to_howto_rel
2143#define elf_backend_sym_is_global mips_elf_sym_is_global
2144#define elf_backend_object_p mips_elf_n32_object_p
2145#define elf_backend_symbol_processing _bfd_mips_elf_symbol_processing
2146#define elf_backend_section_processing _bfd_mips_elf_section_processing
2147#define elf_backend_section_from_shdr _bfd_mips_elf_section_from_shdr
2148#define elf_backend_fake_sections _bfd_mips_elf_fake_sections
2149#define elf_backend_section_from_bfd_section \
2150 _bfd_mips_elf_section_from_bfd_section
2151#define elf_backend_add_symbol_hook _bfd_mips_elf_add_symbol_hook
2152#define elf_backend_link_output_symbol_hook \
2153 _bfd_mips_elf_link_output_symbol_hook
2154#define elf_backend_create_dynamic_sections \
2155 _bfd_mips_elf_create_dynamic_sections
2156#define elf_backend_check_relocs _bfd_mips_elf_check_relocs
2157#define elf_backend_adjust_dynamic_symbol \
2158 _bfd_mips_elf_adjust_dynamic_symbol
2159#define elf_backend_always_size_sections \
2160 _bfd_mips_elf_always_size_sections
2161#define elf_backend_size_dynamic_sections \
2162 _bfd_mips_elf_size_dynamic_sections
2163#define elf_backend_relocate_section _bfd_mips_elf_relocate_section
2164#define elf_backend_finish_dynamic_symbol \
2165 _bfd_mips_elf_finish_dynamic_symbol
2166#define elf_backend_finish_dynamic_sections \
2167 _bfd_mips_elf_finish_dynamic_sections
2168#define elf_backend_final_write_processing \
2169 _bfd_mips_elf_final_write_processing
2170#define elf_backend_additional_program_headers \
2171 _bfd_mips_elf_additional_program_headers
2172#define elf_backend_modify_segment_map _bfd_mips_elf_modify_segment_map
2173#define elf_backend_gc_mark_hook _bfd_mips_elf_gc_mark_hook
2174#define elf_backend_gc_sweep_hook _bfd_mips_elf_gc_sweep_hook
2175#define elf_backend_copy_indirect_symbol \
2176 _bfd_mips_elf_copy_indirect_symbol
2177#define elf_backend_hide_symbol _bfd_mips_elf_hide_symbol
2178#define elf_backend_grok_prstatus elf32_mips_grok_prstatus
2179#define elf_backend_grok_psinfo elf32_mips_grok_psinfo
2180#define elf_backend_ecoff_debug_swap &mips_elf32_ecoff_debug_swap
2181
2182#define elf_backend_got_header_size (4 * MIPS_RESERVED_GOTNO)
2183#define elf_backend_plt_header_size 0
2184
2185/* MIPS n32 ELF can use a mixture of REL and RELA, but some Relocations
2186 work better/work only in RELA, so we default to this. */
2187#define elf_backend_may_use_rel_p 1
2188#define elf_backend_may_use_rela_p 1
2189#define elf_backend_default_use_rela_p 1
b34976b6 2190#define elf_backend_sign_extend_vma TRUE
8a397dad
TS
2191
2192#define elf_backend_discard_info _bfd_mips_elf_discard_info
2193#define elf_backend_ignore_discarded_relocs \
2194 _bfd_mips_elf_ignore_discarded_relocs
2195#define elf_backend_write_section _bfd_mips_elf_write_section
2196#define elf_backend_mips_irix_compat elf_n32_mips_irix_compat
2197#define elf_backend_mips_rtype_to_howto mips_elf_n32_rtype_to_howto
2198#define bfd_elf32_find_nearest_line _bfd_mips_elf_find_nearest_line
2199#define bfd_elf32_set_section_contents _bfd_mips_elf_set_section_contents
2200#define bfd_elf32_bfd_get_relocated_section_contents \
2201 _bfd_elf_mips_get_relocated_section_contents
2202#define bfd_elf32_bfd_link_hash_table_create \
2203 _bfd_mips_elf_link_hash_table_create
2204#define bfd_elf32_bfd_final_link _bfd_mips_elf_final_link
2205#define bfd_elf32_bfd_merge_private_bfd_data \
2206 _bfd_mips_elf_merge_private_bfd_data
2207#define bfd_elf32_bfd_set_private_flags _bfd_mips_elf_set_private_flags
2208#define bfd_elf32_bfd_print_private_bfd_data \
2209 _bfd_mips_elf_print_private_bfd_data
2210
2211/* Support for SGI-ish mips targets using n32 ABI. */
2212
2213#define TARGET_LITTLE_SYM bfd_elf32_nlittlemips_vec
2214#define TARGET_LITTLE_NAME "elf32-nlittlemips"
2215#define TARGET_BIG_SYM bfd_elf32_nbigmips_vec
2216#define TARGET_BIG_NAME "elf32-nbigmips"
2217
2218#include "elf32-target.h"
2219
2220/* Support for traditional mips targets using n32 ABI. */
2221#define INCLUDED_TARGET_FILE /* More a type of flag. */
2222
2223#undef TARGET_LITTLE_SYM
2224#undef TARGET_LITTLE_NAME
2225#undef TARGET_BIG_SYM
2226#undef TARGET_BIG_NAME
2227
2228#define TARGET_LITTLE_SYM bfd_elf32_ntradlittlemips_vec
2229#define TARGET_LITTLE_NAME "elf32-ntradlittlemips"
2230#define TARGET_BIG_SYM bfd_elf32_ntradbigmips_vec
2231#define TARGET_BIG_NAME "elf32-ntradbigmips"
2232
2233/* Include the target file again for this target. */
2234#include "elf32-target.h"
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