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[/] [open8_urisc/] [trunk/] [gnu/] [binutils/] [bfd/] [elf32-mips.c] - Blame information for rev 298

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1 14 khays
/* MIPS-specific support for 32-bit ELF
2
   Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
3
   2003, 2004, 2005, 2006, 2007, 2008, 2009 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
 
12
   This file is part of BFD, the Binary File Descriptor library.
13
 
14
   This program is free software; you can redistribute it and/or modify
15
   it under the terms of the GNU General Public License as published by
16
   the Free Software Foundation; either version 3 of the License, or
17
   (at your option) any later version.
18
 
19
   This program is distributed in the hope that it will be useful,
20
   but WITHOUT ANY WARRANTY; without even the implied warranty of
21
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
22
   GNU General Public License for more details.
23
 
24
   You should have received a copy of the GNU General Public License
25
   along with this program; if not, write to the Free Software
26
   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
27
   MA 02110-1301, USA.  */
28
 
29
 
30
/* This file handles MIPS ELF targets.  SGI Irix 5 uses a slightly
31
   different MIPS ELF from other targets.  This matters when linking.
32
   This file supports both, switching at runtime.  */
33
 
34
#include "sysdep.h"
35
#include "bfd.h"
36
#include "libbfd.h"
37
#include "bfdlink.h"
38
#include "genlink.h"
39
#include "elf-bfd.h"
40
#include "elfxx-mips.h"
41
#include "elf/mips.h"
42
#include "elf-vxworks.h"
43
 
44
/* Get the ECOFF swapping routines.  */
45
#include "coff/sym.h"
46
#include "coff/symconst.h"
47
#include "coff/internal.h"
48
#include "coff/ecoff.h"
49
#include "coff/mips.h"
50
#define ECOFF_SIGNED_32
51
#include "ecoffswap.h"
52
 
53
static bfd_reloc_status_type gprel32_with_gp
54
  (bfd *, asymbol *, arelent *, asection *, bfd_boolean, void *, bfd_vma);
55
static bfd_reloc_status_type mips_elf_gprel32_reloc
56
  (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
57
static bfd_reloc_status_type mips32_64bit_reloc
58
  (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
59
static reloc_howto_type *bfd_elf32_bfd_reloc_type_lookup
60
  (bfd *, bfd_reloc_code_real_type);
61
static reloc_howto_type *mips_elf32_rtype_to_howto
62
  (unsigned int, bfd_boolean);
63
static void mips_info_to_howto_rel
64
  (bfd *, arelent *, Elf_Internal_Rela *);
65
static void mips_info_to_howto_rela
66
  (bfd *, arelent *, Elf_Internal_Rela *);
67
static bfd_boolean mips_elf_sym_is_global
68
  (bfd *, asymbol *);
69
static bfd_boolean mips_elf32_object_p
70
  (bfd *);
71
static bfd_boolean mips_elf_is_local_label_name
72
  (bfd *, const char *);
73
static bfd_reloc_status_type mips16_gprel_reloc
74
  (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
75
static bfd_reloc_status_type mips_elf_final_gp
76
  (bfd *, asymbol *, bfd_boolean, char **, bfd_vma *);
77
static bfd_boolean mips_elf_assign_gp
78
  (bfd *, bfd_vma *);
79
static bfd_boolean elf32_mips_grok_prstatus
80
  (bfd *, Elf_Internal_Note *);
81
static bfd_boolean elf32_mips_grok_psinfo
82
  (bfd *, Elf_Internal_Note *);
83
static irix_compat_t elf32_mips_irix_compat
84
  (bfd *);
85
 
86
extern const bfd_target bfd_elf32_bigmips_vec;
87
extern const bfd_target bfd_elf32_littlemips_vec;
88
 
89
/* Nonzero if ABFD is using the N32 ABI.  */
90
#define ABI_N32_P(abfd) \
91
  ((elf_elfheader (abfd)->e_flags & EF_MIPS_ABI2) != 0)
92
 
93
/* Whether we are trying to be compatible with IRIX at all.  */
94
#define SGI_COMPAT(abfd) \
95
  (elf32_mips_irix_compat (abfd) != ict_none)
96
 
97
/* The number of local .got entries we reserve.  */
98
#define MIPS_RESERVED_GOTNO (2)
99
 
100
/* In case we're on a 32-bit machine, construct a 64-bit "-1" value
101
   from smaller values.  Start with zero, widen, *then* decrement.  */
102
#define MINUS_ONE       (((bfd_vma)0) - 1)
103
 
104
/* The relocation table used for SHT_REL sections.  */
105
 
106
static reloc_howto_type elf_mips_howto_table_rel[] =
107
{
108
  /* No relocation.  */
109
  HOWTO (R_MIPS_NONE,           /* type */
110
         0,                      /* rightshift */
111
         0,                      /* size (0 = byte, 1 = short, 2 = long) */
112
         0,                      /* bitsize */
113
         FALSE,                 /* pc_relative */
114
         0,                      /* bitpos */
115
         complain_overflow_dont, /* complain_on_overflow */
116
         _bfd_mips_elf_generic_reloc, /* special_function */
117
         "R_MIPS_NONE",         /* name */
118
         FALSE,                 /* partial_inplace */
119
         0,                      /* src_mask */
120
         0,                      /* dst_mask */
121
         FALSE),                /* pcrel_offset */
122
 
123
  /* 16 bit relocation.  */
124
  HOWTO (R_MIPS_16,             /* type */
125
         0,                      /* rightshift */
126
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
127
         16,                    /* bitsize */
128
         FALSE,                 /* pc_relative */
129
         0,                      /* bitpos */
130
         complain_overflow_signed, /* complain_on_overflow */
131
         _bfd_mips_elf_generic_reloc, /* special_function */
132
         "R_MIPS_16",           /* name */
133
         TRUE,                  /* partial_inplace */
134
         0x0000ffff,            /* src_mask */
135
         0x0000ffff,            /* dst_mask */
136
         FALSE),                /* pcrel_offset */
137
 
138
  /* 32 bit relocation.  */
139
  HOWTO (R_MIPS_32,             /* type */
140
         0,                      /* rightshift */
141
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
142
         32,                    /* bitsize */
143
         FALSE,                 /* pc_relative */
144
         0,                      /* bitpos */
145
         complain_overflow_dont, /* complain_on_overflow */
146
         _bfd_mips_elf_generic_reloc, /* special_function */
147
         "R_MIPS_32",           /* name */
148
         TRUE,                  /* partial_inplace */
149
         0xffffffff,            /* src_mask */
150
         0xffffffff,            /* dst_mask */
151
         FALSE),                /* pcrel_offset */
152
 
153
  /* 32 bit symbol relative relocation.  */
154
  HOWTO (R_MIPS_REL32,          /* type */
155
         0,                      /* rightshift */
156
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
157
         32,                    /* bitsize */
158
         FALSE,                 /* pc_relative */
159
         0,                      /* bitpos */
160
         complain_overflow_dont, /* complain_on_overflow */
161
         _bfd_mips_elf_generic_reloc, /* special_function */
162
         "R_MIPS_REL32",        /* name */
163
         TRUE,                  /* partial_inplace */
164
         0xffffffff,            /* src_mask */
165
         0xffffffff,            /* dst_mask */
166
         FALSE),                /* pcrel_offset */
167
 
168
  /* 26 bit jump address.  */
169
  HOWTO (R_MIPS_26,             /* type */
170
         2,                     /* rightshift */
171
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
172
         26,                    /* bitsize */
173
         FALSE,                 /* pc_relative */
174
         0,                      /* bitpos */
175
         complain_overflow_dont, /* complain_on_overflow */
176
                                /* This needs complex overflow
177
                                   detection, because the upper four
178
                                   bits must match the PC + 4.  */
179
         _bfd_mips_elf_generic_reloc, /* special_function */
180
         "R_MIPS_26",           /* name */
181
         TRUE,                  /* partial_inplace */
182
         0x03ffffff,            /* src_mask */
183
         0x03ffffff,            /* dst_mask */
184
         FALSE),                /* pcrel_offset */
185
 
186
  /* High 16 bits of symbol value.  */
187
  HOWTO (R_MIPS_HI16,           /* type */
188
         16,                    /* rightshift */
189
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
190
         16,                    /* bitsize */
191
         FALSE,                 /* pc_relative */
192
         0,                      /* bitpos */
193
         complain_overflow_dont, /* complain_on_overflow */
194
         _bfd_mips_elf_hi16_reloc, /* special_function */
195
         "R_MIPS_HI16",         /* name */
196
         TRUE,                  /* partial_inplace */
197
         0x0000ffff,            /* src_mask */
198
         0x0000ffff,            /* dst_mask */
199
         FALSE),                /* pcrel_offset */
200
 
201
  /* Low 16 bits of symbol value.  */
202
  HOWTO (R_MIPS_LO16,           /* type */
203
         0,                      /* rightshift */
204
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
205
         16,                    /* bitsize */
206
         FALSE,                 /* pc_relative */
207
         0,                      /* bitpos */
208
         complain_overflow_dont, /* complain_on_overflow */
209
         _bfd_mips_elf_lo16_reloc, /* special_function */
210
         "R_MIPS_LO16",         /* name */
211
         TRUE,                  /* partial_inplace */
212
         0x0000ffff,            /* src_mask */
213
         0x0000ffff,            /* dst_mask */
214
         FALSE),                /* pcrel_offset */
215
 
216
  /* GP relative reference.  */
217
  HOWTO (R_MIPS_GPREL16,        /* type */
218
         0,                      /* rightshift */
219
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
220
         16,                    /* bitsize */
221
         FALSE,                 /* pc_relative */
222
         0,                      /* bitpos */
223
         complain_overflow_signed, /* complain_on_overflow */
224
         _bfd_mips_elf32_gprel16_reloc, /* special_function */
225
         "R_MIPS_GPREL16",      /* name */
226
         TRUE,                  /* partial_inplace */
227
         0x0000ffff,            /* src_mask */
228
         0x0000ffff,            /* dst_mask */
229
         FALSE),                /* pcrel_offset */
230
 
231
  /* Reference to literal section.  */
232
  HOWTO (R_MIPS_LITERAL,        /* type */
233
         0,                      /* rightshift */
234
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
235
         16,                    /* bitsize */
236
         FALSE,                 /* pc_relative */
237
         0,                      /* bitpos */
238
         complain_overflow_signed, /* complain_on_overflow */
239
         _bfd_mips_elf32_gprel16_reloc, /* special_function */
240
         "R_MIPS_LITERAL",      /* name */
241
         TRUE,                  /* partial_inplace */
242
         0x0000ffff,            /* src_mask */
243
         0x0000ffff,            /* dst_mask */
244
         FALSE),                /* pcrel_offset */
245
 
246
  /* Reference to global offset table.  */
247
  HOWTO (R_MIPS_GOT16,          /* type */
248
         0,                      /* rightshift */
249
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
250
         16,                    /* bitsize */
251
         FALSE,                 /* pc_relative */
252
         0,                      /* bitpos */
253
         complain_overflow_signed, /* complain_on_overflow */
254
         _bfd_mips_elf_got16_reloc, /* special_function */
255
         "R_MIPS_GOT16",        /* name */
256
         TRUE,                  /* partial_inplace */
257
         0x0000ffff,            /* src_mask */
258
         0x0000ffff,            /* dst_mask */
259
         FALSE),                /* pcrel_offset */
260
 
261
  /* 16 bit PC relative reference.  Note that the ABI document has a typo
262
     and claims R_MIPS_PC16 to be not rightshifted, rendering it useless.
263
     We do the right thing here.  */
264
  HOWTO (R_MIPS_PC16,           /* type */
265
         2,                     /* rightshift */
266
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
267
         16,                    /* bitsize */
268
         TRUE,                  /* pc_relative */
269
         0,                      /* bitpos */
270
         complain_overflow_signed, /* complain_on_overflow */
271
         _bfd_mips_elf_generic_reloc, /* special_function */
272
         "R_MIPS_PC16",         /* name */
273
         TRUE,                  /* partial_inplace */
274
         0x0000ffff,            /* src_mask */
275
         0x0000ffff,            /* dst_mask */
276
         TRUE),                 /* pcrel_offset */
277
 
278
  /* 16 bit call through global offset table.  */
279
  HOWTO (R_MIPS_CALL16,         /* type */
280
         0,                      /* rightshift */
281
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
282
         16,                    /* bitsize */
283
         FALSE,                 /* pc_relative */
284
         0,                      /* bitpos */
285
         complain_overflow_signed, /* complain_on_overflow */
286
         _bfd_mips_elf_generic_reloc, /* special_function */
287
         "R_MIPS_CALL16",       /* name */
288
         TRUE,                  /* partial_inplace */
289
         0x0000ffff,            /* src_mask */
290
         0x0000ffff,            /* dst_mask */
291
         FALSE),                /* pcrel_offset */
292
 
293
  /* 32 bit GP relative reference.  */
294
  HOWTO (R_MIPS_GPREL32,        /* type */
295
         0,                      /* rightshift */
296
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
297
         32,                    /* bitsize */
298
         FALSE,                 /* pc_relative */
299
         0,                      /* bitpos */
300
         complain_overflow_dont, /* complain_on_overflow */
301
         mips_elf_gprel32_reloc, /* special_function */
302
         "R_MIPS_GPREL32",      /* name */
303
         TRUE,                  /* partial_inplace */
304
         0xffffffff,            /* src_mask */
305
         0xffffffff,            /* dst_mask */
306
         FALSE),                /* pcrel_offset */
307
 
308
  /* The remaining relocs are defined on Irix 5, although they are
309
     not defined by the ABI.  */
310
  EMPTY_HOWTO (13),
311
  EMPTY_HOWTO (14),
312
  EMPTY_HOWTO (15),
313
 
314
  /* A 5 bit shift field.  */
315
  HOWTO (R_MIPS_SHIFT5,         /* type */
316
         0,                      /* rightshift */
317
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
318
         5,                     /* bitsize */
319
         FALSE,                 /* pc_relative */
320
         6,                     /* bitpos */
321
         complain_overflow_bitfield, /* complain_on_overflow */
322
         _bfd_mips_elf_generic_reloc, /* special_function */
323
         "R_MIPS_SHIFT5",       /* name */
324
         TRUE,                  /* partial_inplace */
325
         0x000007c0,            /* src_mask */
326
         0x000007c0,            /* dst_mask */
327
         FALSE),                /* pcrel_offset */
328
 
329
  /* A 6 bit shift field.  */
330
  /* FIXME: This is not handled correctly; a special function is
331
     needed to put the most significant bit in the right place.  */
332
  HOWTO (R_MIPS_SHIFT6,         /* type */
333
         0,                      /* rightshift */
334
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
335
         6,                     /* bitsize */
336
         FALSE,                 /* pc_relative */
337
         6,                     /* bitpos */
338
         complain_overflow_bitfield, /* complain_on_overflow */
339
         _bfd_mips_elf_generic_reloc, /* special_function */
340
         "R_MIPS_SHIFT6",       /* name */
341
         TRUE,                  /* partial_inplace */
342
         0x000007c4,            /* src_mask */
343
         0x000007c4,            /* dst_mask */
344
         FALSE),                /* pcrel_offset */
345
 
346
  /* A 64 bit relocation.  */
347
  HOWTO (R_MIPS_64,             /* type */
348
         0,                      /* rightshift */
349
         4,                     /* size (0 = byte, 1 = short, 2 = long) */
350
         64,                    /* bitsize */
351
         FALSE,                 /* pc_relative */
352
         0,                      /* bitpos */
353
         complain_overflow_dont, /* complain_on_overflow */
354
         mips32_64bit_reloc,    /* special_function */
355
         "R_MIPS_64",           /* name */
356
         TRUE,                  /* partial_inplace */
357
         MINUS_ONE,             /* src_mask */
358
         MINUS_ONE,             /* dst_mask */
359
         FALSE),                /* pcrel_offset */
360
 
361
  /* Displacement in the global offset table.  */
362
  HOWTO (R_MIPS_GOT_DISP,       /* type */
363
         0,                      /* rightshift */
364
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
365
         16,                    /* bitsize */
366
         FALSE,                 /* pc_relative */
367
         0,                      /* bitpos */
368
         complain_overflow_signed, /* complain_on_overflow */
369
         _bfd_mips_elf_generic_reloc, /* special_function */
370
         "R_MIPS_GOT_DISP",     /* name */
371
         TRUE,                  /* partial_inplace */
372
         0x0000ffff,            /* src_mask */
373
         0x0000ffff,            /* dst_mask */
374
         FALSE),                /* pcrel_offset */
375
 
376
  /* Displacement to page pointer in the global offset table.  */
377
  HOWTO (R_MIPS_GOT_PAGE,       /* type */
378
         0,                      /* rightshift */
379
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
380
         16,                    /* bitsize */
381
         FALSE,                 /* pc_relative */
382
         0,                      /* bitpos */
383
         complain_overflow_signed, /* complain_on_overflow */
384
         _bfd_mips_elf_generic_reloc, /* special_function */
385
         "R_MIPS_GOT_PAGE",     /* name */
386
         TRUE,                  /* partial_inplace */
387
         0x0000ffff,            /* src_mask */
388
         0x0000ffff,            /* dst_mask */
389
         FALSE),                /* pcrel_offset */
390
 
391
  /* Offset from page pointer in the global offset table.  */
392
  HOWTO (R_MIPS_GOT_OFST,       /* type */
393
         0,                      /* rightshift */
394
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
395
         16,                    /* bitsize */
396
         FALSE,                 /* pc_relative */
397
         0,                      /* bitpos */
398
         complain_overflow_signed, /* complain_on_overflow */
399
         _bfd_mips_elf_generic_reloc, /* special_function */
400
         "R_MIPS_GOT_OFST",     /* name */
401
         TRUE,                  /* partial_inplace */
402
         0x0000ffff,            /* src_mask */
403
         0x0000ffff,            /* dst_mask */
404
         FALSE),                /* pcrel_offset */
405
 
406
  /* High 16 bits of displacement in global offset table.  */
407
  HOWTO (R_MIPS_GOT_HI16,       /* type */
408
         0,                      /* rightshift */
409
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
410
         16,                    /* bitsize */
411
         FALSE,                 /* pc_relative */
412
         0,                      /* bitpos */
413
         complain_overflow_dont, /* complain_on_overflow */
414
         _bfd_mips_elf_generic_reloc, /* special_function */
415
         "R_MIPS_GOT_HI16",     /* name */
416
         TRUE,                  /* partial_inplace */
417
         0x0000ffff,            /* src_mask */
418
         0x0000ffff,            /* dst_mask */
419
         FALSE),                /* pcrel_offset */
420
 
421
  /* Low 16 bits of displacement in global offset table.  */
422
  HOWTO (R_MIPS_GOT_LO16,       /* type */
423
         0,                      /* rightshift */
424
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
425
         16,                    /* bitsize */
426
         FALSE,                 /* pc_relative */
427
         0,                      /* bitpos */
428
         complain_overflow_dont, /* complain_on_overflow */
429
         _bfd_mips_elf_generic_reloc, /* special_function */
430
         "R_MIPS_GOT_LO16",     /* name */
431
         TRUE,                  /* partial_inplace */
432
         0x0000ffff,            /* src_mask */
433
         0x0000ffff,            /* dst_mask */
434
         FALSE),                /* pcrel_offset */
435
 
436
  /* 64 bit subtraction.  Used in the N32 ABI.  */
437
  HOWTO (R_MIPS_SUB,            /* type */
438
         0,                      /* rightshift */
439
         4,                     /* size (0 = byte, 1 = short, 2 = long) */
440
         64,                    /* bitsize */
441
         FALSE,                 /* pc_relative */
442
         0,                      /* bitpos */
443
         complain_overflow_dont, /* complain_on_overflow */
444
         _bfd_mips_elf_generic_reloc, /* special_function */
445
         "R_MIPS_SUB",          /* name */
446
         TRUE,                  /* partial_inplace */
447
         MINUS_ONE,             /* src_mask */
448
         MINUS_ONE,             /* dst_mask */
449
         FALSE),                /* pcrel_offset */
450
 
451
  /* Used to cause the linker to insert and delete instructions?  */
452
  EMPTY_HOWTO (R_MIPS_INSERT_A),
453
  EMPTY_HOWTO (R_MIPS_INSERT_B),
454
  EMPTY_HOWTO (R_MIPS_DELETE),
455
 
456
  /* Get the higher value of a 64 bit addend.  */
457
  HOWTO (R_MIPS_HIGHER,         /* type */
458
         0,                      /* rightshift */
459
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
460
         16,                    /* bitsize */
461
         FALSE,                 /* pc_relative */
462
         0,                      /* bitpos */
463
         complain_overflow_dont, /* complain_on_overflow */
464
         _bfd_mips_elf_generic_reloc, /* special_function */
465
         "R_MIPS_HIGHER",       /* name */
466
         TRUE,                  /* partial_inplace */
467
         0x0000ffff,            /* src_mask */
468
         0x0000ffff,            /* dst_mask */
469
         FALSE),                /* pcrel_offset */
470
 
471
  /* Get the highest value of a 64 bit addend.  */
472
  HOWTO (R_MIPS_HIGHEST,        /* type */
473
         0,                      /* rightshift */
474
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
475
         16,                    /* bitsize */
476
         FALSE,                 /* pc_relative */
477
         0,                      /* bitpos */
478
         complain_overflow_dont, /* complain_on_overflow */
479
         _bfd_mips_elf_generic_reloc, /* special_function */
480
         "R_MIPS_HIGHEST",      /* name */
481
         TRUE,                  /* partial_inplace */
482
         0x0000ffff,            /* src_mask */
483
         0x0000ffff,            /* dst_mask */
484
         FALSE),                /* pcrel_offset */
485
 
486
  /* High 16 bits of displacement in global offset table.  */
487
  HOWTO (R_MIPS_CALL_HI16,      /* type */
488
         0,                      /* rightshift */
489
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
490
         16,                    /* bitsize */
491
         FALSE,                 /* pc_relative */
492
         0,                      /* bitpos */
493
         complain_overflow_dont, /* complain_on_overflow */
494
         _bfd_mips_elf_generic_reloc, /* special_function */
495
         "R_MIPS_CALL_HI16",    /* name */
496
         TRUE,                  /* partial_inplace */
497
         0x0000ffff,            /* src_mask */
498
         0x0000ffff,            /* dst_mask */
499
         FALSE),                /* pcrel_offset */
500
 
501
  /* Low 16 bits of displacement in global offset table.  */
502
  HOWTO (R_MIPS_CALL_LO16,      /* type */
503
         0,                      /* rightshift */
504
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
505
         16,                    /* bitsize */
506
         FALSE,                 /* pc_relative */
507
         0,                      /* bitpos */
508
         complain_overflow_dont, /* complain_on_overflow */
509
         _bfd_mips_elf_generic_reloc, /* special_function */
510
         "R_MIPS_CALL_LO16",    /* name */
511
         TRUE,                  /* partial_inplace */
512
         0x0000ffff,            /* src_mask */
513
         0x0000ffff,            /* dst_mask */
514
         FALSE),                /* pcrel_offset */
515
 
516
  /* Section displacement.  */
517
  HOWTO (R_MIPS_SCN_DISP,       /* type */
518
         0,                      /* rightshift */
519
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
520
         32,                    /* bitsize */
521
         FALSE,                 /* pc_relative */
522
         0,                      /* bitpos */
523
         complain_overflow_dont, /* complain_on_overflow */
524
         _bfd_mips_elf_generic_reloc, /* special_function */
525
         "R_MIPS_SCN_DISP",     /* name */
526
         TRUE,                  /* partial_inplace */
527
         0xffffffff,            /* src_mask */
528
         0xffffffff,            /* dst_mask */
529
         FALSE),                /* pcrel_offset */
530
 
531
  EMPTY_HOWTO (R_MIPS_REL16),
532
  EMPTY_HOWTO (R_MIPS_ADD_IMMEDIATE),
533
  EMPTY_HOWTO (R_MIPS_PJUMP),
534
  EMPTY_HOWTO (R_MIPS_RELGOT),
535
 
536
  /* Protected jump conversion.  This is an optimization hint.  No
537
     relocation is required for correctness.  */
538
  HOWTO (R_MIPS_JALR,           /* type */
539
         0,                      /* rightshift */
540
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
541
         32,                    /* bitsize */
542
         FALSE,                 /* pc_relative */
543
         0,                      /* bitpos */
544
         complain_overflow_dont, /* complain_on_overflow */
545
         _bfd_mips_elf_generic_reloc, /* special_function */
546
         "R_MIPS_JALR",         /* name */
547
         FALSE,                 /* partial_inplace */
548
         0x00000000,            /* src_mask */
549
         0x00000000,            /* dst_mask */
550
         FALSE),                /* pcrel_offset */
551
 
552
  /* TLS GD/LD dynamic relocations.  */
553
  HOWTO (R_MIPS_TLS_DTPMOD32,   /* type */
554
         0,                      /* rightshift */
555
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
556
         32,                    /* bitsize */
557
         FALSE,                 /* pc_relative */
558
         0,                      /* bitpos */
559
         complain_overflow_dont, /* complain_on_overflow */
560
         _bfd_mips_elf_generic_reloc, /* special_function */
561
         "R_MIPS_TLS_DTPMOD32", /* name */
562
         TRUE,                  /* partial_inplace */
563
         0xffffffff,            /* src_mask */
564
         0xffffffff,            /* dst_mask */
565
         FALSE),                /* pcrel_offset */
566
 
567
  HOWTO (R_MIPS_TLS_DTPREL32,   /* type */
568
         0,                      /* rightshift */
569
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
570
         32,                    /* bitsize */
571
         FALSE,                 /* pc_relative */
572
         0,                      /* bitpos */
573
         complain_overflow_dont, /* complain_on_overflow */
574
         _bfd_mips_elf_generic_reloc, /* special_function */
575
         "R_MIPS_TLS_DTPREL32", /* name */
576
         TRUE,                  /* partial_inplace */
577
         0xffffffff,            /* src_mask */
578
         0xffffffff,            /* dst_mask */
579
         FALSE),                /* pcrel_offset */
580
 
581
  EMPTY_HOWTO (R_MIPS_TLS_DTPMOD64),
582
  EMPTY_HOWTO (R_MIPS_TLS_DTPREL64),
583
 
584
  /* TLS general dynamic variable reference.  */
585
  HOWTO (R_MIPS_TLS_GD,         /* type */
586
         0,                      /* rightshift */
587
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
588
         16,                    /* bitsize */
589
         FALSE,                 /* pc_relative */
590
         0,                      /* bitpos */
591
         complain_overflow_signed, /* complain_on_overflow */
592
         _bfd_mips_elf_generic_reloc, /* special_function */
593
         "R_MIPS_TLS_GD",       /* name */
594
         TRUE,                  /* partial_inplace */
595
         0x0000ffff,            /* src_mask */
596
         0x0000ffff,            /* dst_mask */
597
         FALSE),                /* pcrel_offset */
598
 
599
  /* TLS local dynamic variable reference.  */
600
  HOWTO (R_MIPS_TLS_LDM,        /* type */
601
         0,                      /* rightshift */
602
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
603
         16,                    /* bitsize */
604
         FALSE,                 /* pc_relative */
605
         0,                      /* bitpos */
606
         complain_overflow_signed, /* complain_on_overflow */
607
         _bfd_mips_elf_generic_reloc, /* special_function */
608
         "R_MIPS_TLS_LDM",      /* name */
609
         TRUE,                  /* partial_inplace */
610
         0x0000ffff,            /* src_mask */
611
         0x0000ffff,            /* dst_mask */
612
         FALSE),                /* pcrel_offset */
613
 
614
  /* TLS local dynamic offset.  */
615
  HOWTO (R_MIPS_TLS_DTPREL_HI16,        /* type */
616
         0,                      /* rightshift */
617
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
618
         16,                    /* bitsize */
619
         FALSE,                 /* pc_relative */
620
         0,                      /* bitpos */
621
         complain_overflow_signed, /* complain_on_overflow */
622
         _bfd_mips_elf_generic_reloc, /* special_function */
623
         "R_MIPS_TLS_DTPREL_HI16",      /* name */
624
         TRUE,                  /* partial_inplace */
625
         0x0000ffff,            /* src_mask */
626
         0x0000ffff,            /* dst_mask */
627
         FALSE),                /* pcrel_offset */
628
 
629
  /* TLS local dynamic offset.  */
630
  HOWTO (R_MIPS_TLS_DTPREL_LO16,        /* type */
631
         0,                      /* rightshift */
632
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
633
         16,                    /* bitsize */
634
         FALSE,                 /* pc_relative */
635
         0,                      /* bitpos */
636
         complain_overflow_signed, /* complain_on_overflow */
637
         _bfd_mips_elf_generic_reloc, /* special_function */
638
         "R_MIPS_TLS_DTPREL_LO16",      /* name */
639
         TRUE,                  /* partial_inplace */
640
         0x0000ffff,            /* src_mask */
641
         0x0000ffff,            /* dst_mask */
642
         FALSE),                /* pcrel_offset */
643
 
644
  /* TLS thread pointer offset.  */
645
  HOWTO (R_MIPS_TLS_GOTTPREL,   /* type */
646
         0,                      /* rightshift */
647
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
648
         16,                    /* bitsize */
649
         FALSE,                 /* pc_relative */
650
         0,                      /* bitpos */
651
         complain_overflow_signed, /* complain_on_overflow */
652
         _bfd_mips_elf_generic_reloc, /* special_function */
653
         "R_MIPS_TLS_GOTTPREL", /* name */
654
         TRUE,                  /* partial_inplace */
655
         0x0000ffff,            /* src_mask */
656
         0x0000ffff,            /* dst_mask */
657
         FALSE),                /* pcrel_offset */
658
 
659
  /* TLS IE dynamic relocations.  */
660
  HOWTO (R_MIPS_TLS_TPREL32,    /* type */
661
         0,                      /* rightshift */
662
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
663
         32,                    /* bitsize */
664
         FALSE,                 /* pc_relative */
665
         0,                      /* bitpos */
666
         complain_overflow_dont, /* complain_on_overflow */
667
         _bfd_mips_elf_generic_reloc, /* special_function */
668
         "R_MIPS_TLS_TPREL32",  /* name */
669
         TRUE,                  /* partial_inplace */
670
         0xffffffff,            /* src_mask */
671
         0xffffffff,            /* dst_mask */
672
         FALSE),                /* pcrel_offset */
673
 
674
  EMPTY_HOWTO (R_MIPS_TLS_TPREL64),
675
 
676
  /* TLS thread pointer offset.  */
677
  HOWTO (R_MIPS_TLS_TPREL_HI16, /* type */
678
         0,                      /* rightshift */
679
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
680
         16,                    /* bitsize */
681
         FALSE,                 /* pc_relative */
682
         0,                      /* bitpos */
683
         complain_overflow_signed, /* complain_on_overflow */
684
         _bfd_mips_elf_generic_reloc, /* special_function */
685
         "R_MIPS_TLS_TPREL_HI16", /* name */
686
         TRUE,                  /* partial_inplace */
687
         0x0000ffff,            /* src_mask */
688
         0x0000ffff,            /* dst_mask */
689
         FALSE),                /* pcrel_offset */
690
 
691
  /* TLS thread pointer offset.  */
692
  HOWTO (R_MIPS_TLS_TPREL_LO16, /* type */
693
         0,                      /* rightshift */
694
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
695
         16,                    /* bitsize */
696
         FALSE,                 /* pc_relative */
697
         0,                      /* bitpos */
698
         complain_overflow_signed, /* complain_on_overflow */
699
         _bfd_mips_elf_generic_reloc, /* special_function */
700
         "R_MIPS_TLS_TPREL_LO16", /* name */
701
         TRUE,                  /* partial_inplace */
702
         0x0000ffff,            /* src_mask */
703
         0x0000ffff,            /* dst_mask */
704
         FALSE),                /* pcrel_offset */
705
 
706
  /* 32 bit relocation with no addend.  */
707
  HOWTO (R_MIPS_GLOB_DAT,       /* type */
708
         0,                      /* rightshift */
709
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
710
         32,                    /* bitsize */
711
         FALSE,                 /* pc_relative */
712
         0,                      /* bitpos */
713
         complain_overflow_dont, /* complain_on_overflow */
714
         _bfd_mips_elf_generic_reloc, /* special_function */
715
         "R_MIPS_GLOB_DAT",     /* name */
716
         FALSE,                 /* partial_inplace */
717
         0x0,                   /* src_mask */
718
         0xffffffff,            /* dst_mask */
719
         FALSE),                /* pcrel_offset */
720
};
721
 
722
/* The reloc used for BFD_RELOC_CTOR when doing a 64 bit link.  This
723
   is a hack to make the linker think that we need 64 bit values.  */
724
static reloc_howto_type elf_mips_ctor64_howto =
725
  HOWTO (R_MIPS_64,             /* type */
726
         0,                      /* rightshift */
727
         4,                     /* size (0 = byte, 1 = short, 2 = long) */
728
         32,                    /* bitsize */
729
         FALSE,                 /* pc_relative */
730
         0,                      /* bitpos */
731
         complain_overflow_signed, /* complain_on_overflow */
732
         mips32_64bit_reloc,    /* special_function */
733
         "R_MIPS_64",           /* name */
734
         TRUE,                  /* partial_inplace */
735
         0xffffffff,            /* src_mask */
736
         0xffffffff,            /* dst_mask */
737
         FALSE);                /* pcrel_offset */
738
 
739
static reloc_howto_type elf_mips16_howto_table_rel[] =
740
{
741
  /* The reloc used for the mips16 jump instruction.  */
742
  HOWTO (R_MIPS16_26,           /* type */
743
         2,                     /* rightshift */
744
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
745
         26,                    /* bitsize */
746
         FALSE,                 /* pc_relative */
747
         0,                      /* bitpos */
748
         complain_overflow_dont, /* complain_on_overflow */
749
                                /* This needs complex overflow
750
                                   detection, because the upper four
751
                                   bits must match the PC.  */
752
         _bfd_mips_elf_generic_reloc, /* special_function */
753
         "R_MIPS16_26",         /* name */
754
         TRUE,                  /* partial_inplace */
755
         0x3ffffff,             /* src_mask */
756
         0x3ffffff,             /* dst_mask */
757
         FALSE),                /* pcrel_offset */
758
 
759
  /* The reloc used for the mips16 gprel instruction.  */
760
  HOWTO (R_MIPS16_GPREL,        /* type */
761
         0,                      /* rightshift */
762
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
763
         16,                    /* bitsize */
764
         FALSE,                 /* pc_relative */
765
         0,                      /* bitpos */
766
         complain_overflow_signed, /* complain_on_overflow */
767
         mips16_gprel_reloc,    /* special_function */
768
         "R_MIPS16_GPREL",      /* name */
769
         TRUE,                  /* partial_inplace */
770
         0x0000ffff,            /* src_mask */
771
         0x0000ffff,            /* dst_mask */
772
         FALSE),                /* pcrel_offset */
773
 
774
  /* A MIPS16 reference to the global offset table.  */
775
  HOWTO (R_MIPS16_GOT16,        /* type */
776
         0,                      /* rightshift */
777
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
778
         16,                    /* bitsize */
779
         FALSE,                 /* pc_relative */
780
         0,                      /* bitpos */
781
         complain_overflow_dont, /* complain_on_overflow */
782
         _bfd_mips_elf_got16_reloc, /* special_function */
783
         "R_MIPS16_GOT16",      /* name */
784
         TRUE,                  /* partial_inplace */
785
         0x0000ffff,            /* src_mask */
786
         0x0000ffff,            /* dst_mask */
787
         FALSE),                /* pcrel_offset */
788
 
789
  /* A MIPS16 call through the global offset table.  */
790
  HOWTO (R_MIPS16_CALL16,       /* type */
791
         0,                      /* rightshift */
792
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
793
         16,                    /* bitsize */
794
         FALSE,                 /* pc_relative */
795
         0,                      /* bitpos */
796
         complain_overflow_dont, /* complain_on_overflow */
797
         _bfd_mips_elf_generic_reloc, /* special_function */
798
         "R_MIPS16_CALL16",     /* name */
799
         TRUE,                  /* partial_inplace */
800
         0x0000ffff,            /* src_mask */
801
         0x0000ffff,            /* dst_mask */
802
         FALSE),                /* pcrel_offset */
803
 
804
  /* MIPS16 high 16 bits of symbol value.  */
805
  HOWTO (R_MIPS16_HI16,         /* type */
806
         16,                    /* rightshift */
807
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
808
         16,                    /* bitsize */
809
         FALSE,                 /* pc_relative */
810
         0,                      /* bitpos */
811
         complain_overflow_dont, /* complain_on_overflow */
812
         _bfd_mips_elf_hi16_reloc, /* special_function */
813
         "R_MIPS16_HI16",       /* name */
814
         TRUE,                  /* partial_inplace */
815
         0x0000ffff,            /* src_mask */
816
         0x0000ffff,            /* dst_mask */
817
         FALSE),                /* pcrel_offset */
818
 
819
  /* MIPS16 low 16 bits of symbol value.  */
820
  HOWTO (R_MIPS16_LO16,         /* type */
821
         0,                      /* rightshift */
822
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
823
         16,                    /* bitsize */
824
         FALSE,                 /* pc_relative */
825
         0,                      /* bitpos */
826
         complain_overflow_dont, /* complain_on_overflow */
827
         _bfd_mips_elf_lo16_reloc, /* special_function */
828
         "R_MIPS16_LO16",       /* name */
829
         TRUE,                  /* partial_inplace */
830
         0x0000ffff,            /* src_mask */
831
         0x0000ffff,            /* dst_mask */
832
         FALSE),                /* pcrel_offset */
833 166 khays
 
834
  /* MIPS16 TLS general dynamic variable reference.  */
835
  HOWTO (R_MIPS16_TLS_GD,       /* type */
836
         0,                      /* rightshift */
837
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
838
         16,                    /* bitsize */
839
         FALSE,                 /* pc_relative */
840
         0,                      /* bitpos */
841
         complain_overflow_signed, /* complain_on_overflow */
842
         _bfd_mips_elf_generic_reloc, /* special_function */
843
         "R_MIPS16_TLS_GD",     /* name */
844
         TRUE,                  /* partial_inplace */
845
         0x0000ffff,            /* src_mask */
846
         0x0000ffff,            /* dst_mask */
847
         FALSE),                /* pcrel_offset */
848
 
849
  /* MIPS16 TLS local dynamic variable reference.  */
850
  HOWTO (R_MIPS16_TLS_LDM,      /* type */
851
         0,                      /* rightshift */
852
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
853
         16,                    /* bitsize */
854
         FALSE,                 /* pc_relative */
855
         0,                      /* bitpos */
856
         complain_overflow_signed, /* complain_on_overflow */
857
         _bfd_mips_elf_generic_reloc, /* special_function */
858
         "R_MIPS16_TLS_LDM",    /* name */
859
         TRUE,                  /* partial_inplace */
860
         0x0000ffff,            /* src_mask */
861
         0x0000ffff,            /* dst_mask */
862
         FALSE),                /* pcrel_offset */
863
 
864
  /* MIPS16 TLS local dynamic offset.  */
865
  HOWTO (R_MIPS16_TLS_DTPREL_HI16,      /* type */
866
         0,                      /* rightshift */
867
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
868
         16,                    /* bitsize */
869
         FALSE,                 /* pc_relative */
870
         0,                      /* bitpos */
871
         complain_overflow_signed, /* complain_on_overflow */
872
         _bfd_mips_elf_generic_reloc, /* special_function */
873
         "R_MIPS16_TLS_DTPREL_HI16",    /* name */
874
         TRUE,                  /* partial_inplace */
875
         0x0000ffff,            /* src_mask */
876
         0x0000ffff,            /* dst_mask */
877
         FALSE),                /* pcrel_offset */
878
 
879
  /* MIPS16 TLS local dynamic offset.  */
880
  HOWTO (R_MIPS16_TLS_DTPREL_LO16,      /* type */
881
         0,                      /* rightshift */
882
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
883
         16,                    /* bitsize */
884
         FALSE,                 /* pc_relative */
885
         0,                      /* bitpos */
886
         complain_overflow_signed, /* complain_on_overflow */
887
         _bfd_mips_elf_generic_reloc, /* special_function */
888
         "R_MIPS16_TLS_DTPREL_LO16",    /* name */
889
         TRUE,                  /* partial_inplace */
890
         0x0000ffff,            /* src_mask */
891
         0x0000ffff,            /* dst_mask */
892
         FALSE),                /* pcrel_offset */
893
 
894
  /* MIPS16 TLS thread pointer offset.  */
895
  HOWTO (R_MIPS16_TLS_GOTTPREL, /* type */
896
         0,                      /* rightshift */
897
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
898
         16,                    /* bitsize */
899
         FALSE,                 /* pc_relative */
900
         0,                      /* bitpos */
901
         complain_overflow_signed, /* complain_on_overflow */
902
         _bfd_mips_elf_generic_reloc, /* special_function */
903
         "R_MIPS16_TLS_GOTTPREL",       /* name */
904
         TRUE,                  /* partial_inplace */
905
         0x0000ffff,            /* src_mask */
906
         0x0000ffff,            /* dst_mask */
907
         FALSE),                /* pcrel_offset */
908
 
909
  /* MIPS16 TLS thread pointer offset.  */
910
  HOWTO (R_MIPS16_TLS_TPREL_HI16,       /* type */
911
         0,                      /* rightshift */
912
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
913
         16,                    /* bitsize */
914
         FALSE,                 /* pc_relative */
915
         0,                      /* bitpos */
916
         complain_overflow_signed, /* complain_on_overflow */
917
         _bfd_mips_elf_generic_reloc, /* special_function */
918
         "R_MIPS16_TLS_TPREL_HI16", /* name */
919
         TRUE,                  /* partial_inplace */
920
         0x0000ffff,            /* src_mask */
921
         0x0000ffff,            /* dst_mask */
922
         FALSE),                /* pcrel_offset */
923
 
924
  /* MIPS16 TLS thread pointer offset.  */
925
  HOWTO (R_MIPS16_TLS_TPREL_LO16,       /* type */
926
         0,                      /* rightshift */
927
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
928
         16,                    /* bitsize */
929
         FALSE,                 /* pc_relative */
930
         0,                      /* bitpos */
931
         complain_overflow_signed, /* complain_on_overflow */
932
         _bfd_mips_elf_generic_reloc, /* special_function */
933
         "R_MIPS16_TLS_TPREL_LO16", /* name */
934
         TRUE,                  /* partial_inplace */
935
         0x0000ffff,            /* src_mask */
936
         0x0000ffff,            /* dst_mask */
937
         FALSE),                /* pcrel_offset */
938 14 khays
};
939
 
940 161 khays
static reloc_howto_type elf_micromips_howto_table_rel[] =
941
{
942
  EMPTY_HOWTO (130),
943
  EMPTY_HOWTO (131),
944
  EMPTY_HOWTO (132),
945
 
946
  /* 26 bit jump address.  */
947
  HOWTO (R_MICROMIPS_26_S1,     /* type */
948
         1,                     /* rightshift */
949
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
950
         26,                    /* bitsize */
951
         FALSE,                 /* pc_relative */
952
         0,                      /* bitpos */
953
         complain_overflow_dont, /* complain_on_overflow */
954
                                /* This needs complex overflow
955
                                   detection, because the upper four
956
                                   bits must match the PC.  */
957
         _bfd_mips_elf_generic_reloc, /* special_function */
958
         "R_MICROMIPS_26_S1",   /* name */
959
         TRUE,                  /* partial_inplace */
960
         0x3ffffff,             /* src_mask */
961
         0x3ffffff,             /* dst_mask */
962
         FALSE),                /* pcrel_offset */
963
 
964
  /* High 16 bits of symbol value.  */
965
  HOWTO (R_MICROMIPS_HI16,      /* type */
966
         16,                    /* rightshift */
967
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
968
         16,                    /* bitsize */
969
         FALSE,                 /* pc_relative */
970
         0,                      /* bitpos */
971
         complain_overflow_dont, /* complain_on_overflow */
972
         _bfd_mips_elf_hi16_reloc, /* special_function */
973
         "R_MICROMIPS_HI16",    /* name */
974
         TRUE,                  /* partial_inplace */
975
         0x0000ffff,            /* src_mask */
976
         0x0000ffff,            /* dst_mask */
977
         FALSE),                /* pcrel_offset */
978
 
979
  /* Low 16 bits of symbol value.  */
980
  HOWTO (R_MICROMIPS_LO16,      /* type */
981
         0,                      /* rightshift */
982
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
983
         16,                    /* bitsize */
984
         FALSE,                 /* pc_relative */
985
         0,                      /* bitpos */
986
         complain_overflow_dont, /* complain_on_overflow */
987
         _bfd_mips_elf_lo16_reloc, /* special_function */
988
         "R_MICROMIPS_LO16",    /* name */
989
         TRUE,                  /* partial_inplace */
990
         0x0000ffff,            /* src_mask */
991
         0x0000ffff,            /* dst_mask */
992
         FALSE),                /* pcrel_offset */
993
 
994
  /* GP relative reference.  */
995
  HOWTO (R_MICROMIPS_GPREL16,   /* type */
996
         0,                      /* rightshift */
997
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
998
         16,                    /* bitsize */
999
         FALSE,                 /* pc_relative */
1000
         0,                      /* bitpos */
1001
         complain_overflow_signed, /* complain_on_overflow */
1002
         _bfd_mips_elf32_gprel16_reloc, /* special_function */
1003
         "R_MICROMIPS_GPREL16", /* name */
1004
         TRUE,                  /* partial_inplace */
1005
         0x0000ffff,            /* src_mask */
1006
         0x0000ffff,            /* dst_mask */
1007
         FALSE),                /* pcrel_offset */
1008
 
1009
  /* Reference to literal section.  */
1010
  HOWTO (R_MICROMIPS_LITERAL,   /* type */
1011
         0,                      /* rightshift */
1012
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
1013
         16,                    /* bitsize */
1014
         FALSE,                 /* pc_relative */
1015
         0,                      /* bitpos */
1016
         complain_overflow_signed, /* complain_on_overflow */
1017
         _bfd_mips_elf32_gprel16_reloc, /* special_function */
1018
         "R_MICROMIPS_LITERAL", /* name */
1019
         TRUE,                  /* partial_inplace */
1020
         0x0000ffff,            /* src_mask */
1021
         0x0000ffff,            /* dst_mask */
1022
         FALSE),                /* pcrel_offset */
1023
 
1024
  /* Reference to global offset table.  */
1025
  HOWTO (R_MICROMIPS_GOT16,     /* type */
1026
         0,                      /* rightshift */
1027
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
1028
         16,                    /* bitsize */
1029
         FALSE,                 /* pc_relative */
1030
         0,                      /* bitpos */
1031
         complain_overflow_signed, /* complain_on_overflow */
1032
         _bfd_mips_elf_got16_reloc, /* special_function */
1033
         "R_MICROMIPS_GOT16",   /* name */
1034
         TRUE,                  /* partial_inplace */
1035
         0x0000ffff,            /* src_mask */
1036
         0x0000ffff,            /* dst_mask */
1037
         FALSE),                /* pcrel_offset */
1038
 
1039
  /* This is for microMIPS branches.  */
1040
  HOWTO (R_MICROMIPS_PC7_S1,    /* type */
1041
         1,                     /* rightshift */
1042
         1,                     /* size (0 = byte, 1 = short, 2 = long) */
1043
         7,                     /* bitsize */
1044
         TRUE,                  /* pc_relative */
1045
         0,                      /* bitpos */
1046
         complain_overflow_signed, /* complain_on_overflow */
1047
         _bfd_mips_elf_generic_reloc, /* special_function */
1048
         "R_MICROMIPS_PC7_S1",  /* name */
1049
         TRUE,                  /* partial_inplace */
1050
         0x0000007f,            /* src_mask */
1051
         0x0000007f,            /* dst_mask */
1052
         TRUE),                 /* pcrel_offset */
1053
 
1054
  HOWTO (R_MICROMIPS_PC10_S1,   /* type */
1055
         1,                     /* rightshift */
1056
         1,                     /* size (0 = byte, 1 = short, 2 = long) */
1057
         10,                    /* bitsize */
1058
         TRUE,                  /* pc_relative */
1059
         0,                      /* bitpos */
1060
         complain_overflow_signed, /* complain_on_overflow */
1061
         _bfd_mips_elf_generic_reloc, /* special_function */
1062
         "R_MICROMIPS_PC10_S1", /* name */
1063
         TRUE,                  /* partial_inplace */
1064
         0x000003ff,            /* src_mask */
1065
         0x000003ff,            /* dst_mask */
1066
         TRUE),                 /* pcrel_offset */
1067
 
1068
  HOWTO (R_MICROMIPS_PC16_S1,   /* type */
1069
         1,                     /* rightshift */
1070
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
1071
         16,                    /* bitsize */
1072
         TRUE,                  /* pc_relative */
1073
         0,                      /* bitpos */
1074
         complain_overflow_signed, /* complain_on_overflow */
1075
         _bfd_mips_elf_generic_reloc, /* special_function */
1076
         "R_MICROMIPS_PC16_S1", /* name */
1077
         TRUE,                  /* partial_inplace */
1078
         0x0000ffff,            /* src_mask */
1079
         0x0000ffff,            /* dst_mask */
1080
         TRUE),                 /* pcrel_offset */
1081
 
1082
  /* 16 bit call through global offset table.  */
1083
  HOWTO (R_MICROMIPS_CALL16,    /* type */
1084
         0,                      /* rightshift */
1085
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
1086
         16,                    /* bitsize */
1087
         FALSE,                 /* pc_relative */
1088
         0,                      /* bitpos */
1089
         complain_overflow_signed, /* complain_on_overflow */
1090
         _bfd_mips_elf_generic_reloc, /* special_function */
1091
         "R_MICROMIPS_CALL16",  /* name */
1092
         TRUE,                  /* partial_inplace */
1093
         0x0000ffff,            /* src_mask */
1094
         0x0000ffff,            /* dst_mask */
1095
         FALSE),                /* pcrel_offset */
1096
 
1097
  EMPTY_HOWTO (143),
1098
  EMPTY_HOWTO (144),
1099
 
1100
  /* Displacement in the global offset table.  */
1101
  HOWTO (R_MICROMIPS_GOT_DISP,  /* type */
1102
         0,                      /* rightshift */
1103
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
1104
         16,                    /* bitsize */
1105
         FALSE,                 /* pc_relative */
1106
         0,                      /* bitpos */
1107
         complain_overflow_signed, /* complain_on_overflow */
1108
         _bfd_mips_elf_generic_reloc, /* special_function */
1109
         "R_MICROMIPS_GOT_DISP",/* name */
1110
         TRUE,                  /* partial_inplace */
1111
         0x0000ffff,            /* src_mask */
1112
         0x0000ffff,            /* dst_mask */
1113
         FALSE),                /* pcrel_offset */
1114
 
1115
  /* Displacement to page pointer in the global offset table.  */
1116
  HOWTO (R_MICROMIPS_GOT_PAGE,  /* type */
1117
         0,                      /* rightshift */
1118
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
1119
         16,                    /* bitsize */
1120
         FALSE,                 /* pc_relative */
1121
         0,                      /* bitpos */
1122
         complain_overflow_signed, /* complain_on_overflow */
1123
         _bfd_mips_elf_generic_reloc, /* special_function */
1124
         "R_MICROMIPS_GOT_PAGE",/* name */
1125
         TRUE,                  /* partial_inplace */
1126
         0x0000ffff,            /* src_mask */
1127
         0x0000ffff,            /* dst_mask */
1128
         FALSE),                /* pcrel_offset */
1129
 
1130
  /* Offset from page pointer in the global offset table.  */
1131
  HOWTO (R_MICROMIPS_GOT_OFST,  /* type */
1132
         0,                      /* rightshift */
1133
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
1134
         16,                    /* bitsize */
1135
         FALSE,                 /* pc_relative */
1136
         0,                      /* bitpos */
1137
         complain_overflow_signed, /* complain_on_overflow */
1138
         _bfd_mips_elf_generic_reloc, /* special_function */
1139
         "R_MICROMIPS_GOT_OFST",/* name */
1140
         TRUE,                  /* partial_inplace */
1141
         0x0000ffff,            /* src_mask */
1142
         0x0000ffff,            /* dst_mask */
1143
         FALSE),                /* pcrel_offset */
1144
 
1145
  /* High 16 bits of displacement in global offset table.  */
1146
  HOWTO (R_MICROMIPS_GOT_HI16,  /* type */
1147
         0,                      /* rightshift */
1148
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
1149
         16,                    /* bitsize */
1150
         FALSE,                 /* pc_relative */
1151
         0,                      /* bitpos */
1152
         complain_overflow_dont, /* complain_on_overflow */
1153
         _bfd_mips_elf_generic_reloc, /* special_function */
1154
         "R_MICROMIPS_GOT_HI16",/* name */
1155
         TRUE,                  /* partial_inplace */
1156
         0x0000ffff,            /* src_mask */
1157
         0x0000ffff,            /* dst_mask */
1158
         FALSE),                /* pcrel_offset */
1159
 
1160
  /* Low 16 bits of displacement in global offset table.  */
1161
  HOWTO (R_MICROMIPS_GOT_LO16,  /* type */
1162
         0,                      /* rightshift */
1163
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
1164
         16,                    /* bitsize */
1165
         FALSE,                 /* pc_relative */
1166
         0,                      /* bitpos */
1167
         complain_overflow_dont, /* complain_on_overflow */
1168
         _bfd_mips_elf_generic_reloc, /* special_function */
1169
         "R_MICROMIPS_GOT_LO16",/* name */
1170
         TRUE,                  /* partial_inplace */
1171
         0x0000ffff,            /* src_mask */
1172
         0x0000ffff,            /* dst_mask */
1173
         FALSE),                /* pcrel_offset */
1174
 
1175
  /* 64 bit subtraction.  Used in the N32 ABI.  */
1176
  HOWTO (R_MICROMIPS_SUB,       /* type */
1177
         0,                      /* rightshift */
1178
         4,                     /* size (0 = byte, 1 = short, 2 = long) */
1179
         64,                    /* bitsize */
1180
         FALSE,                 /* pc_relative */
1181
         0,                      /* bitpos */
1182
         complain_overflow_dont, /* complain_on_overflow */
1183
         _bfd_mips_elf_generic_reloc, /* special_function */
1184
         "R_MICROMIPS_SUB",     /* name */
1185
         TRUE,                  /* partial_inplace */
1186
         MINUS_ONE,             /* src_mask */
1187
         MINUS_ONE,             /* dst_mask */
1188
         FALSE),                /* pcrel_offset */
1189
 
1190
  /* Get the higher value of a 64 bit addend.  */
1191
  HOWTO (R_MICROMIPS_HIGHER,    /* type */
1192
         0,                      /* rightshift */
1193
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
1194
         16,                    /* bitsize */
1195
         FALSE,                 /* pc_relative */
1196
         0,                      /* bitpos */
1197
         complain_overflow_dont, /* complain_on_overflow */
1198
         _bfd_mips_elf_generic_reloc, /* special_function */
1199
         "R_MICROMIPS_HIGHER",  /* name */
1200
         TRUE,                  /* partial_inplace */
1201
         0x0000ffff,            /* src_mask */
1202
         0x0000ffff,            /* dst_mask */
1203
         FALSE),                /* pcrel_offset */
1204
 
1205
  /* Get the highest value of a 64 bit addend.  */
1206
  HOWTO (R_MICROMIPS_HIGHEST,   /* type */
1207
         0,                      /* rightshift */
1208
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
1209
         16,                    /* bitsize */
1210
         FALSE,                 /* pc_relative */
1211
         0,                      /* bitpos */
1212
         complain_overflow_dont, /* complain_on_overflow */
1213
         _bfd_mips_elf_generic_reloc, /* special_function */
1214
         "R_MICROMIPS_HIGHEST", /* name */
1215
         TRUE,                  /* partial_inplace */
1216
         0x0000ffff,            /* src_mask */
1217
         0x0000ffff,            /* dst_mask */
1218
         FALSE),                /* pcrel_offset */
1219
 
1220
  /* High 16 bits of displacement in global offset table.  */
1221
  HOWTO (R_MICROMIPS_CALL_HI16, /* type */
1222
         0,                      /* rightshift */
1223
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
1224
         16,                    /* bitsize */
1225
         FALSE,                 /* pc_relative */
1226
         0,                      /* bitpos */
1227
         complain_overflow_dont, /* complain_on_overflow */
1228
         _bfd_mips_elf_generic_reloc, /* special_function */
1229
         "R_MICROMIPS_CALL_HI16",/* name */
1230
         TRUE,                  /* partial_inplace */
1231
         0x0000ffff,            /* src_mask */
1232
         0x0000ffff,            /* dst_mask */
1233
         FALSE),                /* pcrel_offset */
1234
 
1235
  /* Low 16 bits of displacement in global offset table.  */
1236
  HOWTO (R_MICROMIPS_CALL_LO16, /* type */
1237
         0,                      /* rightshift */
1238
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
1239
         16,                    /* bitsize */
1240
         FALSE,                 /* pc_relative */
1241
         0,                      /* bitpos */
1242
         complain_overflow_dont, /* complain_on_overflow */
1243
         _bfd_mips_elf_generic_reloc, /* special_function */
1244
         "R_MICROMIPS_CALL_LO16",/* name */
1245
         TRUE,                  /* partial_inplace */
1246
         0x0000ffff,            /* src_mask */
1247
         0x0000ffff,            /* dst_mask */
1248
         FALSE),                /* pcrel_offset */
1249
 
1250
  /* Section displacement.  */
1251
  HOWTO (R_MICROMIPS_SCN_DISP,  /* type */
1252
         0,                      /* rightshift */
1253
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
1254
         32,                    /* bitsize */
1255
         FALSE,                 /* pc_relative */
1256
         0,                      /* bitpos */
1257
         complain_overflow_dont, /* complain_on_overflow */
1258
         _bfd_mips_elf_generic_reloc, /* special_function */
1259
         "R_MICROMIPS_SCN_DISP",/* name */
1260
         TRUE,                  /* partial_inplace */
1261
         0xffffffff,            /* src_mask */
1262
         0xffffffff,            /* dst_mask */
1263
         FALSE),                /* pcrel_offset */
1264
 
1265
  /* Protected jump conversion.  This is an optimization hint.  No
1266
     relocation is required for correctness.  */
1267
  HOWTO (R_MICROMIPS_JALR,      /* type */
1268
         0,                      /* rightshift */
1269
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
1270
         32,                    /* bitsize */
1271
         FALSE,                 /* pc_relative */
1272
         0,                      /* bitpos */
1273
         complain_overflow_dont, /* complain_on_overflow */
1274
         _bfd_mips_elf_generic_reloc, /* special_function */
1275
         "R_MICROMIPS_JALR",    /* name */
1276
         FALSE,                 /* partial_inplace */
1277
         0x00000000,            /* src_mask */
1278
         0x00000000,            /* dst_mask */
1279
         FALSE),                /* pcrel_offset */
1280
 
1281
  /* Low 16 bits of symbol value.  Note that the high 16 bits of symbol values
1282
     must be zero.  This is used for relaxation.  */
1283
  HOWTO (R_MICROMIPS_HI0_LO16,  /* type */
1284
         0,                      /* rightshift */
1285
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
1286
         16,                    /* bitsize */
1287
         FALSE,                 /* pc_relative */
1288
         0,                      /* bitpos */
1289
         complain_overflow_dont, /* complain_on_overflow */
1290
         _bfd_mips_elf_generic_reloc, /* special_function */
1291
         "R_MICROMIPS_HI0_LO16",/* name */
1292
         TRUE,                  /* partial_inplace */
1293
         0x0000ffff,            /* src_mask */
1294
         0x0000ffff,            /* dst_mask */
1295
         FALSE),                /* pcrel_offset */
1296
 
1297
  EMPTY_HOWTO (158),
1298
  EMPTY_HOWTO (159),
1299
  EMPTY_HOWTO (160),
1300
  EMPTY_HOWTO (161),
1301
 
1302
  /* TLS general dynamic variable reference.  */
1303
  HOWTO (R_MICROMIPS_TLS_GD,            /* type */
1304
         0,                      /* rightshift */
1305
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
1306
         16,                    /* bitsize */
1307
         FALSE,                 /* pc_relative */
1308
         0,                      /* bitpos */
1309
         complain_overflow_signed, /* complain_on_overflow */
1310
         _bfd_mips_elf_generic_reloc, /* special_function */
1311
         "R_MICROMIPS_TLS_GD",  /* name */
1312
         TRUE,                  /* partial_inplace */
1313
         0x0000ffff,            /* src_mask */
1314
         0x0000ffff,            /* dst_mask */
1315
         FALSE),                /* pcrel_offset */
1316
 
1317
  /* TLS local dynamic variable reference.  */
1318
  HOWTO (R_MICROMIPS_TLS_LDM,   /* type */
1319
         0,                      /* rightshift */
1320
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
1321
         16,                    /* bitsize */
1322
         FALSE,                 /* pc_relative */
1323
         0,                      /* bitpos */
1324
         complain_overflow_signed, /* complain_on_overflow */
1325
         _bfd_mips_elf_generic_reloc, /* special_function */
1326
         "R_MICROMIPS_TLS_LDM", /* name */
1327
         TRUE,                  /* partial_inplace */
1328
         0x0000ffff,            /* src_mask */
1329
         0x0000ffff,            /* dst_mask */
1330
         FALSE),                /* pcrel_offset */
1331
 
1332
  /* TLS local dynamic offset.  */
1333
  HOWTO (R_MICROMIPS_TLS_DTPREL_HI16,   /* type */
1334
         0,                      /* rightshift */
1335
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
1336
         16,                    /* bitsize */
1337
         FALSE,                 /* pc_relative */
1338
         0,                      /* bitpos */
1339
         complain_overflow_signed, /* complain_on_overflow */
1340
         _bfd_mips_elf_generic_reloc, /* special_function */
1341
         "R_MICROMIPS_TLS_DTPREL_HI16", /* name */
1342
         TRUE,                  /* partial_inplace */
1343
         0x0000ffff,            /* src_mask */
1344
         0x0000ffff,            /* dst_mask */
1345
         FALSE),                /* pcrel_offset */
1346
 
1347
  /* TLS local dynamic offset.  */
1348
  HOWTO (R_MICROMIPS_TLS_DTPREL_LO16,   /* type */
1349
         0,                      /* rightshift */
1350
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
1351
         16,                    /* bitsize */
1352
         FALSE,                 /* pc_relative */
1353
         0,                      /* bitpos */
1354
         complain_overflow_signed, /* complain_on_overflow */
1355
         _bfd_mips_elf_generic_reloc, /* special_function */
1356
         "R_MICROMIPS_TLS_DTPREL_LO16", /* name */
1357
         TRUE,                  /* partial_inplace */
1358
         0x0000ffff,            /* src_mask */
1359
         0x0000ffff,            /* dst_mask */
1360
         FALSE),                /* pcrel_offset */
1361
 
1362
  /* TLS thread pointer offset.  */
1363
  HOWTO (R_MICROMIPS_TLS_GOTTPREL,      /* type */
1364
         0,                      /* rightshift */
1365
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
1366
         16,                    /* bitsize */
1367
         FALSE,                 /* pc_relative */
1368
         0,                      /* bitpos */
1369
         complain_overflow_signed, /* complain_on_overflow */
1370
         _bfd_mips_elf_generic_reloc, /* special_function */
1371
         "R_MICROMIPS_TLS_GOTTPREL",    /* name */
1372
         TRUE,                  /* partial_inplace */
1373
         0x0000ffff,            /* src_mask */
1374
         0x0000ffff,            /* dst_mask */
1375
         FALSE),                /* pcrel_offset */
1376
 
1377
  EMPTY_HOWTO (167),
1378
  EMPTY_HOWTO (168),
1379
 
1380
  /* TLS thread pointer offset.  */
1381
  HOWTO (R_MICROMIPS_TLS_TPREL_HI16,    /* type */
1382
         0,                      /* rightshift */
1383
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
1384
         16,                    /* bitsize */
1385
         FALSE,                 /* pc_relative */
1386
         0,                      /* bitpos */
1387
         complain_overflow_signed, /* complain_on_overflow */
1388
         _bfd_mips_elf_generic_reloc, /* special_function */
1389
         "R_MICROMIPS_TLS_TPREL_HI16", /* name */
1390
         TRUE,                  /* partial_inplace */
1391
         0x0000ffff,            /* src_mask */
1392
         0x0000ffff,            /* dst_mask */
1393
         FALSE),                /* pcrel_offset */
1394
 
1395
  /* TLS thread pointer offset.  */
1396
  HOWTO (R_MICROMIPS_TLS_TPREL_LO16,    /* type */
1397
         0,                      /* rightshift */
1398
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
1399
         16,                    /* bitsize */
1400
         FALSE,                 /* pc_relative */
1401
         0,                      /* bitpos */
1402
         complain_overflow_signed, /* complain_on_overflow */
1403
         _bfd_mips_elf_generic_reloc, /* special_function */
1404
         "R_MICROMIPS_TLS_TPREL_LO16", /* name */
1405
         TRUE,                  /* partial_inplace */
1406
         0x0000ffff,            /* src_mask */
1407
         0x0000ffff,            /* dst_mask */
1408
         FALSE),                /* pcrel_offset */
1409
 
1410
  EMPTY_HOWTO (171),
1411
 
1412
  /* GP- and PC-relative relocations.  */
1413
  HOWTO (R_MICROMIPS_GPREL7_S2, /* type */
1414
         2,                     /* rightshift */
1415
         1,                     /* size (0 = byte, 1 = short, 2 = long) */
1416
         7,                     /* bitsize */
1417
         FALSE,                 /* pc_relative */
1418
         0,                      /* bitpos */
1419
         complain_overflow_signed, /* complain_on_overflow */
1420
         _bfd_mips_elf32_gprel16_reloc, /* special_function */
1421
         "R_MICROMIPS_GPREL7_S2",       /* name */
1422
         TRUE,                  /* partial_inplace */
1423
         0x0000007f,            /* src_mask */
1424
         0x0000007f,            /* dst_mask */
1425
         FALSE),                /* pcrel_offset */
1426
 
1427
  HOWTO (R_MICROMIPS_PC23_S2,   /* type */
1428
         2,                     /* rightshift */
1429
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
1430
         23,                    /* bitsize */
1431
         TRUE,                  /* pc_relative */
1432
         0,                      /* bitpos */
1433
         complain_overflow_signed, /* complain_on_overflow */
1434
         _bfd_mips_elf_generic_reloc, /* special_function */
1435
         "R_MICROMIPS_PC23_S2", /* name */
1436
         TRUE,                  /* partial_inplace */
1437
         0x007fffff,            /* src_mask */
1438
         0x007fffff,            /* dst_mask */
1439
         TRUE),                 /* pcrel_offset */
1440
};
1441
 
1442 14 khays
/* 16 bit offset for pc-relative branches.  */
1443
static reloc_howto_type elf_mips_gnu_rel16_s2 =
1444
  HOWTO (R_MIPS_GNU_REL16_S2,   /* type */
1445
         2,                     /* rightshift */
1446
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
1447
         16,                    /* bitsize */
1448
         TRUE,                  /* pc_relative */
1449
         0,                      /* bitpos */
1450
         complain_overflow_signed, /* complain_on_overflow */
1451
         _bfd_mips_elf_generic_reloc, /* special_function */
1452
         "R_MIPS_GNU_REL16_S2", /* name */
1453
         TRUE,                  /* partial_inplace */
1454
         0xffff,                /* src_mask */
1455
         0xffff,                /* dst_mask */
1456
         TRUE);                 /* pcrel_offset */
1457
 
1458
/* 32 bit pc-relative.  This was a GNU extension used by embedded-PIC.
1459
   It was co-opted by mips-linux for exception-handling data.  It is no
1460
   longer used, but should continue to be supported by the linker for
1461
   backward compatibility.  (GCC stopped using it in May, 2004.)  */
1462
static reloc_howto_type elf_mips_gnu_pcrel32 =
1463
  HOWTO (R_MIPS_PC32,           /* type */
1464
         0,                      /* rightshift */
1465
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
1466
         32,                    /* bitsize */
1467
         TRUE,                  /* pc_relative */
1468
         0,                      /* bitpos */
1469
         complain_overflow_signed, /* complain_on_overflow */
1470
         _bfd_mips_elf_generic_reloc, /* special_function */
1471
         "R_MIPS_PC32",         /* name */
1472
         TRUE,                  /* partial_inplace */
1473
         0xffffffff,            /* src_mask */
1474
         0xffffffff,            /* dst_mask */
1475
         TRUE);                 /* pcrel_offset */
1476
 
1477
/* GNU extension to record C++ vtable hierarchy */
1478
static reloc_howto_type elf_mips_gnu_vtinherit_howto =
1479
  HOWTO (R_MIPS_GNU_VTINHERIT,  /* type */
1480
         0,                      /* rightshift */
1481
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
1482
         0,                      /* bitsize */
1483
         FALSE,                 /* pc_relative */
1484
         0,                      /* bitpos */
1485
         complain_overflow_dont, /* complain_on_overflow */
1486
         NULL,                  /* special_function */
1487
         "R_MIPS_GNU_VTINHERIT", /* name */
1488
         FALSE,                 /* partial_inplace */
1489
         0,                      /* src_mask */
1490
         0,                      /* dst_mask */
1491
         FALSE);                /* pcrel_offset */
1492
 
1493
/* GNU extension to record C++ vtable member usage */
1494
static reloc_howto_type elf_mips_gnu_vtentry_howto =
1495
  HOWTO (R_MIPS_GNU_VTENTRY,    /* type */
1496
         0,                      /* rightshift */
1497
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
1498
         0,                      /* bitsize */
1499
         FALSE,                 /* pc_relative */
1500
         0,                      /* bitpos */
1501
         complain_overflow_dont, /* complain_on_overflow */
1502
         _bfd_elf_rel_vtable_reloc_fn, /* special_function */
1503
         "R_MIPS_GNU_VTENTRY",  /* name */
1504
         FALSE,                 /* partial_inplace */
1505
         0,                      /* src_mask */
1506
         0,                      /* dst_mask */
1507
         FALSE);                /* pcrel_offset */
1508
 
1509
/* Originally a VxWorks extension, but now used for other systems too.  */
1510
static reloc_howto_type elf_mips_copy_howto =
1511
  HOWTO (R_MIPS_COPY,           /* type */
1512
         0,                      /* rightshift */
1513
         0,                      /* this one is variable size */
1514
         0,                      /* bitsize */
1515
         FALSE,                 /* pc_relative */
1516
         0,                      /* bitpos */
1517
         complain_overflow_bitfield, /* complain_on_overflow */
1518
         bfd_elf_generic_reloc, /* special_function */
1519
         "R_MIPS_COPY",         /* name */
1520
         FALSE,                 /* partial_inplace */
1521
         0x0,                   /* src_mask */
1522
         0x0,                   /* dst_mask */
1523
         FALSE);                /* pcrel_offset */
1524
 
1525
/* Originally a VxWorks extension, but now used for other systems too.  */
1526
static reloc_howto_type elf_mips_jump_slot_howto =
1527
  HOWTO (R_MIPS_JUMP_SLOT,      /* type */
1528
         0,                      /* rightshift */
1529
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
1530
         32,                    /* bitsize */
1531
         FALSE,                 /* pc_relative */
1532
         0,                      /* bitpos */
1533
         complain_overflow_bitfield, /* complain_on_overflow */
1534
         bfd_elf_generic_reloc, /* special_function */
1535
         "R_MIPS_JUMP_SLOT",    /* name */
1536
         FALSE,                 /* partial_inplace */
1537
         0x0,                   /* src_mask */
1538
         0x0,                   /* dst_mask */
1539
         FALSE);                /* pcrel_offset */
1540
 
1541
/* Set the GP value for OUTPUT_BFD.  Returns FALSE if this is a
1542
   dangerous relocation.  */
1543
 
1544
static bfd_boolean
1545
mips_elf_assign_gp (bfd *output_bfd, bfd_vma *pgp)
1546
{
1547
  unsigned int count;
1548
  asymbol **sym;
1549
  unsigned int i;
1550
 
1551
  /* If we've already figured out what GP will be, just return it.  */
1552
  *pgp = _bfd_get_gp_value (output_bfd);
1553
  if (*pgp)
1554
    return TRUE;
1555
 
1556
  count = bfd_get_symcount (output_bfd);
1557
  sym = bfd_get_outsymbols (output_bfd);
1558
 
1559
  /* The linker script will have created a symbol named `_gp' with the
1560
     appropriate value.  */
1561
  if (sym == NULL)
1562
    i = count;
1563
  else
1564
    {
1565
      for (i = 0; i < count; i++, sym++)
1566
        {
1567
          register const char *name;
1568
 
1569
          name = bfd_asymbol_name (*sym);
1570
          if (*name == '_' && strcmp (name, "_gp") == 0)
1571
            {
1572
              *pgp = bfd_asymbol_value (*sym);
1573
              _bfd_set_gp_value (output_bfd, *pgp);
1574
              break;
1575
            }
1576
        }
1577
    }
1578
 
1579
  if (i >= count)
1580
    {
1581
      /* Only get the error once.  */
1582
      *pgp = 4;
1583
      _bfd_set_gp_value (output_bfd, *pgp);
1584
      return FALSE;
1585
    }
1586
 
1587
  return TRUE;
1588
}
1589
 
1590
/* We have to figure out the gp value, so that we can adjust the
1591
   symbol value correctly.  We look up the symbol _gp in the output
1592
   BFD.  If we can't find it, we're stuck.  We cache it in the ELF
1593
   target data.  We don't need to adjust the symbol value for an
1594
   external symbol if we are producing relocatable output.  */
1595
 
1596
static bfd_reloc_status_type
1597
mips_elf_final_gp (bfd *output_bfd, asymbol *symbol, bfd_boolean relocatable,
1598
                   char **error_message, bfd_vma *pgp)
1599
{
1600
  if (bfd_is_und_section (symbol->section)
1601
      && ! relocatable)
1602
    {
1603
      *pgp = 0;
1604
      return bfd_reloc_undefined;
1605
    }
1606
 
1607
  *pgp = _bfd_get_gp_value (output_bfd);
1608
  if (*pgp == 0
1609
      && (! relocatable
1610
          || (symbol->flags & BSF_SECTION_SYM) != 0))
1611
    {
1612
      if (relocatable)
1613
        {
1614
          /* Make up a value.  */
1615
          *pgp = symbol->section->output_section->vma /*+ 0x4000*/;
1616
          _bfd_set_gp_value (output_bfd, *pgp);
1617
        }
1618
      else if (!mips_elf_assign_gp (output_bfd, pgp))
1619
        {
1620
          *error_message =
1621
            (char *) _("GP relative relocation when _gp not defined");
1622
          return bfd_reloc_dangerous;
1623
        }
1624
    }
1625
 
1626
  return bfd_reloc_ok;
1627
}
1628
 
1629
/* Do a R_MIPS_GPREL16 relocation.  This is a 16 bit value which must
1630
   become the offset from the gp register.  This function also handles
1631
   R_MIPS_LITERAL relocations, although those can be handled more
1632
   cleverly because the entries in the .lit8 and .lit4 sections can be
1633
   merged.  */
1634
 
1635
bfd_reloc_status_type
1636
_bfd_mips_elf32_gprel16_reloc (bfd *abfd, arelent *reloc_entry,
1637
                               asymbol *symbol, void *data,
1638
                               asection *input_section, bfd *output_bfd,
1639
                               char **error_message)
1640
{
1641
  bfd_boolean relocatable;
1642
  bfd_reloc_status_type ret;
1643 161 khays
  bfd_byte *location;
1644 14 khays
  bfd_vma gp;
1645
 
1646 161 khays
  /* R_MIPS_LITERAL/R_MICROMIPS_LITERAL relocations are defined for local
1647
     symbols only.  */
1648
  if (literal_reloc_p (reloc_entry->howto->type)
1649 14 khays
      && output_bfd != NULL
1650
      && (symbol->flags & BSF_SECTION_SYM) == 0
1651
      && (symbol->flags & BSF_LOCAL) != 0)
1652
    {
1653
      *error_message = (char *)
1654
        _("literal relocation occurs for an external symbol");
1655
      return bfd_reloc_outofrange;
1656
    }
1657
 
1658
  if (output_bfd != NULL)
1659
    relocatable = TRUE;
1660
  else
1661
    {
1662
      relocatable = FALSE;
1663
      output_bfd = symbol->section->output_section->owner;
1664
    }
1665
 
1666
  ret = mips_elf_final_gp (output_bfd, symbol, relocatable, error_message,
1667
                           &gp);
1668
  if (ret != bfd_reloc_ok)
1669
    return ret;
1670
 
1671 161 khays
  location = (bfd_byte *) data + reloc_entry->address;
1672
  _bfd_mips_elf_reloc_unshuffle (abfd, reloc_entry->howto->type, FALSE,
1673
                                 location);
1674
  ret = _bfd_mips_elf_gprel16_with_gp (abfd, symbol, reloc_entry,
1675
                                       input_section, relocatable,
1676
                                       data, gp);
1677
  _bfd_mips_elf_reloc_shuffle (abfd, reloc_entry->howto->type, !relocatable,
1678
                               location);
1679
 
1680
  return ret;
1681 14 khays
}
1682
 
1683
/* Do a R_MIPS_GPREL32 relocation.  This is a 32 bit value which must
1684
   become the offset from the gp register.  */
1685
 
1686
static bfd_reloc_status_type
1687
mips_elf_gprel32_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
1688
                        void *data, asection *input_section, bfd *output_bfd,
1689
                        char **error_message)
1690
{
1691
  bfd_boolean relocatable;
1692
  bfd_reloc_status_type ret;
1693
  bfd_vma gp;
1694
 
1695
  /* R_MIPS_GPREL32 relocations are defined for local symbols only.  */
1696
  if (output_bfd != NULL
1697
      && (symbol->flags & BSF_SECTION_SYM) == 0
1698
      && (symbol->flags & BSF_LOCAL) != 0)
1699
    {
1700
      *error_message = (char *)
1701
        _("32bits gp relative relocation occurs for an external symbol");
1702
      return bfd_reloc_outofrange;
1703
    }
1704
 
1705
  if (output_bfd != NULL)
1706
    relocatable = TRUE;
1707
  else
1708
    {
1709
      relocatable = FALSE;
1710
      output_bfd = symbol->section->output_section->owner;
1711
    }
1712
 
1713
  ret = mips_elf_final_gp (output_bfd, symbol, relocatable,
1714
                           error_message, &gp);
1715
  if (ret != bfd_reloc_ok)
1716
    return ret;
1717
 
1718
  return gprel32_with_gp (abfd, symbol, reloc_entry, input_section,
1719
                          relocatable, data, gp);
1720
}
1721
 
1722
static bfd_reloc_status_type
1723
gprel32_with_gp (bfd *abfd, asymbol *symbol, arelent *reloc_entry,
1724
                 asection *input_section, bfd_boolean relocatable,
1725
                 void *data, bfd_vma gp)
1726
{
1727
  bfd_vma relocation;
1728
  bfd_vma val;
1729
 
1730
  if (bfd_is_com_section (symbol->section))
1731
    relocation = 0;
1732
  else
1733
    relocation = symbol->value;
1734
 
1735
  relocation += symbol->section->output_section->vma;
1736
  relocation += symbol->section->output_offset;
1737
 
1738
  if (reloc_entry->address > bfd_get_section_limit (abfd, input_section))
1739
    return bfd_reloc_outofrange;
1740
 
1741
  /* Set val to the offset into the section or symbol.  */
1742
  val = reloc_entry->addend;
1743
 
1744
  if (reloc_entry->howto->partial_inplace)
1745
    val += bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
1746
 
1747
  /* Adjust val for the final section location and GP value.  If we
1748
     are producing relocatable output, we don't want to do this for
1749
     an external symbol.  */
1750
  if (! relocatable
1751
      || (symbol->flags & BSF_SECTION_SYM) != 0)
1752
    val += relocation - gp;
1753
 
1754
  if (reloc_entry->howto->partial_inplace)
1755
    bfd_put_32 (abfd, val, (bfd_byte *) data + reloc_entry->address);
1756
  else
1757
    reloc_entry->addend = val;
1758
 
1759
  if (relocatable)
1760
    reloc_entry->address += input_section->output_offset;
1761
 
1762
  return bfd_reloc_ok;
1763
}
1764
 
1765
/* Handle a 64 bit reloc in a 32 bit MIPS ELF file.  These are
1766
   generated when addresses are 64 bits.  The upper 32 bits are a simple
1767
   sign extension.  */
1768
 
1769
static bfd_reloc_status_type
1770
mips32_64bit_reloc (bfd *abfd, arelent *reloc_entry,
1771
                    asymbol *symbol ATTRIBUTE_UNUSED,
1772
                    void *data, asection *input_section,
1773
                    bfd *output_bfd, char **error_message)
1774
{
1775
  bfd_reloc_status_type r;
1776
  arelent reloc32;
1777
  unsigned long val;
1778
  bfd_size_type addr;
1779
 
1780
  /* Do a normal 32 bit relocation on the lower 32 bits.  */
1781
  reloc32 = *reloc_entry;
1782
  if (bfd_big_endian (abfd))
1783
    reloc32.address += 4;
1784
  reloc32.howto = &elf_mips_howto_table_rel[R_MIPS_32];
1785
  r = bfd_perform_relocation (abfd, &reloc32, data, input_section,
1786
                              output_bfd, error_message);
1787
 
1788
  /* Sign extend into the upper 32 bits.  */
1789
  val = bfd_get_32 (abfd, (bfd_byte *) data + reloc32.address);
1790
  if ((val & 0x80000000) != 0)
1791
    val = 0xffffffff;
1792
  else
1793
    val = 0;
1794
  addr = reloc_entry->address;
1795
  if (bfd_little_endian (abfd))
1796
    addr += 4;
1797
  bfd_put_32 (abfd, val, (bfd_byte *) data + addr);
1798
 
1799
  return r;
1800
}
1801
 
1802
/* Handle a mips16 GP relative reloc.  */
1803
 
1804
static bfd_reloc_status_type
1805
mips16_gprel_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
1806
                    void *data, asection *input_section, bfd *output_bfd,
1807
                    char **error_message)
1808
{
1809
  bfd_boolean relocatable;
1810
  bfd_reloc_status_type ret;
1811
  bfd_byte *location;
1812
  bfd_vma gp;
1813
 
1814
  /* If we're relocating, and this is an external symbol, we don't want
1815
     to change anything.  */
1816
  if (output_bfd != NULL
1817
      && (symbol->flags & BSF_SECTION_SYM) == 0
1818
      && (symbol->flags & BSF_LOCAL) != 0)
1819
    {
1820
      reloc_entry->address += input_section->output_offset;
1821
      return bfd_reloc_ok;
1822
    }
1823
 
1824
  if (output_bfd != NULL)
1825
    relocatable = TRUE;
1826
  else
1827
    {
1828
      relocatable = FALSE;
1829
      output_bfd = symbol->section->output_section->owner;
1830
    }
1831
 
1832
  ret = mips_elf_final_gp (output_bfd, symbol, relocatable, error_message,
1833
                           &gp);
1834
  if (ret != bfd_reloc_ok)
1835
    return ret;
1836
 
1837
  location = (bfd_byte *) data + reloc_entry->address;
1838 161 khays
  _bfd_mips_elf_reloc_unshuffle (abfd, reloc_entry->howto->type, FALSE,
1839
                                 location);
1840 14 khays
  ret = _bfd_mips_elf_gprel16_with_gp (abfd, symbol, reloc_entry,
1841
                                       input_section, relocatable,
1842
                                       data, gp);
1843 161 khays
  _bfd_mips_elf_reloc_shuffle (abfd, reloc_entry->howto->type, !relocatable,
1844
                               location);
1845 14 khays
 
1846
  return ret;
1847
}
1848
 
1849
/* A mapping from BFD reloc types to MIPS ELF reloc types.  */
1850
 
1851
struct elf_reloc_map {
1852
  bfd_reloc_code_real_type bfd_val;
1853
  enum elf_mips_reloc_type elf_val;
1854
};
1855
 
1856
static const struct elf_reloc_map mips_reloc_map[] =
1857
{
1858
  { BFD_RELOC_NONE, R_MIPS_NONE },
1859
  { BFD_RELOC_16, R_MIPS_16 },
1860
  { BFD_RELOC_32, R_MIPS_32 },
1861
  /* There is no BFD reloc for R_MIPS_REL32.  */
1862
  { BFD_RELOC_64, R_MIPS_64 },
1863
  { BFD_RELOC_MIPS_JMP, R_MIPS_26 },
1864
  { BFD_RELOC_HI16_S, R_MIPS_HI16 },
1865
  { BFD_RELOC_LO16, R_MIPS_LO16 },
1866
  { BFD_RELOC_GPREL16, R_MIPS_GPREL16 },
1867
  { BFD_RELOC_MIPS_LITERAL, R_MIPS_LITERAL },
1868
  { BFD_RELOC_MIPS_GOT16, R_MIPS_GOT16 },
1869
  { BFD_RELOC_16_PCREL_S2, R_MIPS_PC16 },
1870
  { BFD_RELOC_MIPS_CALL16, R_MIPS_CALL16 },
1871
  { BFD_RELOC_GPREL32, R_MIPS_GPREL32 },
1872
  { BFD_RELOC_MIPS_GOT_HI16, R_MIPS_GOT_HI16 },
1873
  { BFD_RELOC_MIPS_GOT_LO16, R_MIPS_GOT_LO16 },
1874
  { BFD_RELOC_MIPS_CALL_HI16, R_MIPS_CALL_HI16 },
1875
  { BFD_RELOC_MIPS_CALL_LO16, R_MIPS_CALL_LO16 },
1876
  { BFD_RELOC_MIPS_SUB, R_MIPS_SUB },
1877
  { BFD_RELOC_MIPS_GOT_PAGE, R_MIPS_GOT_PAGE },
1878
  { BFD_RELOC_MIPS_GOT_OFST, R_MIPS_GOT_OFST },
1879
  { BFD_RELOC_MIPS_GOT_DISP, R_MIPS_GOT_DISP },
1880
  { BFD_RELOC_MIPS_JALR, R_MIPS_JALR },
1881
  { BFD_RELOC_MIPS_TLS_DTPMOD32, R_MIPS_TLS_DTPMOD32 },
1882
  { BFD_RELOC_MIPS_TLS_DTPREL32, R_MIPS_TLS_DTPREL32 },
1883
  { BFD_RELOC_MIPS_TLS_DTPMOD64, R_MIPS_TLS_DTPMOD64 },
1884
  { BFD_RELOC_MIPS_TLS_DTPREL64, R_MIPS_TLS_DTPREL64 },
1885
  { BFD_RELOC_MIPS_TLS_GD, R_MIPS_TLS_GD },
1886
  { BFD_RELOC_MIPS_TLS_LDM, R_MIPS_TLS_LDM },
1887
  { BFD_RELOC_MIPS_TLS_DTPREL_HI16, R_MIPS_TLS_DTPREL_HI16 },
1888
  { BFD_RELOC_MIPS_TLS_DTPREL_LO16, R_MIPS_TLS_DTPREL_LO16 },
1889
  { BFD_RELOC_MIPS_TLS_GOTTPREL, R_MIPS_TLS_GOTTPREL },
1890
  { BFD_RELOC_MIPS_TLS_TPREL32, R_MIPS_TLS_TPREL32 },
1891
  { BFD_RELOC_MIPS_TLS_TPREL64, R_MIPS_TLS_TPREL64 },
1892
  { BFD_RELOC_MIPS_TLS_TPREL_HI16, R_MIPS_TLS_TPREL_HI16 },
1893
  { BFD_RELOC_MIPS_TLS_TPREL_LO16, R_MIPS_TLS_TPREL_LO16 }
1894
};
1895
 
1896
static const struct elf_reloc_map mips16_reloc_map[] =
1897
{
1898
  { BFD_RELOC_MIPS16_JMP, R_MIPS16_26 - R_MIPS16_min },
1899
  { BFD_RELOC_MIPS16_GPREL, R_MIPS16_GPREL - R_MIPS16_min },
1900
  { BFD_RELOC_MIPS16_GOT16, R_MIPS16_GOT16 - R_MIPS16_min },
1901
  { BFD_RELOC_MIPS16_CALL16, R_MIPS16_CALL16 - R_MIPS16_min },
1902
  { BFD_RELOC_MIPS16_HI16_S, R_MIPS16_HI16 - R_MIPS16_min },
1903
  { BFD_RELOC_MIPS16_LO16, R_MIPS16_LO16 - R_MIPS16_min },
1904 166 khays
  { BFD_RELOC_MIPS16_TLS_GD, R_MIPS16_TLS_GD - R_MIPS16_min },
1905
  { BFD_RELOC_MIPS16_TLS_LDM, R_MIPS16_TLS_LDM - R_MIPS16_min },
1906
  { BFD_RELOC_MIPS16_TLS_DTPREL_HI16,
1907
    R_MIPS16_TLS_DTPREL_HI16 - R_MIPS16_min },
1908
  { BFD_RELOC_MIPS16_TLS_DTPREL_LO16,
1909
    R_MIPS16_TLS_DTPREL_LO16 - R_MIPS16_min },
1910
  { BFD_RELOC_MIPS16_TLS_GOTTPREL, R_MIPS16_TLS_GOTTPREL - R_MIPS16_min },
1911
  { BFD_RELOC_MIPS16_TLS_TPREL_HI16, R_MIPS16_TLS_TPREL_HI16 - R_MIPS16_min },
1912
  { BFD_RELOC_MIPS16_TLS_TPREL_LO16, R_MIPS16_TLS_TPREL_LO16 - R_MIPS16_min }
1913 14 khays
};
1914
 
1915 161 khays
static const struct elf_reloc_map micromips_reloc_map[] =
1916
{
1917
  { BFD_RELOC_MICROMIPS_JMP, R_MICROMIPS_26_S1 - R_MICROMIPS_min },
1918
  { BFD_RELOC_MICROMIPS_HI16_S, R_MICROMIPS_HI16 - R_MICROMIPS_min },
1919
  { BFD_RELOC_MICROMIPS_LO16, R_MICROMIPS_LO16 - R_MICROMIPS_min },
1920
  { BFD_RELOC_MICROMIPS_GPREL16, R_MICROMIPS_GPREL16 - R_MICROMIPS_min },
1921
  { BFD_RELOC_MICROMIPS_LITERAL, R_MICROMIPS_LITERAL - R_MICROMIPS_min },
1922
  { BFD_RELOC_MICROMIPS_GOT16, R_MICROMIPS_GOT16 - R_MICROMIPS_min },
1923
  { BFD_RELOC_MICROMIPS_7_PCREL_S1, R_MICROMIPS_PC7_S1 - R_MICROMIPS_min },
1924
  { BFD_RELOC_MICROMIPS_10_PCREL_S1, R_MICROMIPS_PC10_S1 - R_MICROMIPS_min },
1925
  { BFD_RELOC_MICROMIPS_16_PCREL_S1, R_MICROMIPS_PC16_S1 - R_MICROMIPS_min },
1926
  { BFD_RELOC_MICROMIPS_CALL16, R_MICROMIPS_CALL16 - R_MICROMIPS_min },
1927
  { BFD_RELOC_MICROMIPS_GOT_DISP, R_MICROMIPS_GOT_DISP - R_MICROMIPS_min },
1928
  { BFD_RELOC_MICROMIPS_GOT_PAGE, R_MICROMIPS_GOT_PAGE - R_MICROMIPS_min },
1929
  { BFD_RELOC_MICROMIPS_GOT_OFST, R_MICROMIPS_GOT_OFST - R_MICROMIPS_min },
1930
  { BFD_RELOC_MICROMIPS_GOT_HI16, R_MICROMIPS_GOT_HI16 - R_MICROMIPS_min },
1931
  { BFD_RELOC_MICROMIPS_GOT_LO16, R_MICROMIPS_GOT_LO16 - R_MICROMIPS_min },
1932
  { BFD_RELOC_MICROMIPS_SUB, R_MICROMIPS_SUB - R_MICROMIPS_min },
1933
  { BFD_RELOC_MICROMIPS_HIGHER, R_MICROMIPS_HIGHER - R_MICROMIPS_min },
1934
  { BFD_RELOC_MICROMIPS_HIGHEST, R_MICROMIPS_HIGHEST - R_MICROMIPS_min },
1935
  { BFD_RELOC_MICROMIPS_CALL_HI16, R_MICROMIPS_CALL_HI16 - R_MICROMIPS_min },
1936
  { BFD_RELOC_MICROMIPS_CALL_LO16, R_MICROMIPS_CALL_LO16 - R_MICROMIPS_min },
1937
  { BFD_RELOC_MICROMIPS_SCN_DISP, R_MICROMIPS_SCN_DISP - R_MICROMIPS_min },
1938
  { BFD_RELOC_MICROMIPS_JALR, R_MICROMIPS_JALR - R_MICROMIPS_min },
1939
  /* There is no BFD reloc for R_MICROMIPS_HI0_LO16.  */
1940
  { BFD_RELOC_MICROMIPS_TLS_GD, R_MICROMIPS_TLS_GD - R_MICROMIPS_min },
1941
  { BFD_RELOC_MICROMIPS_TLS_LDM, R_MICROMIPS_TLS_LDM - R_MICROMIPS_min },
1942
  { BFD_RELOC_MICROMIPS_TLS_DTPREL_HI16,
1943
    R_MICROMIPS_TLS_DTPREL_HI16 - R_MICROMIPS_min },
1944
  { BFD_RELOC_MICROMIPS_TLS_DTPREL_LO16,
1945
    R_MICROMIPS_TLS_DTPREL_LO16 - R_MICROMIPS_min },
1946
  { BFD_RELOC_MICROMIPS_TLS_GOTTPREL,
1947
    R_MICROMIPS_TLS_GOTTPREL - R_MICROMIPS_min },
1948
  { BFD_RELOC_MICROMIPS_TLS_TPREL_HI16,
1949
    R_MICROMIPS_TLS_TPREL_HI16 - R_MICROMIPS_min },
1950
  { BFD_RELOC_MICROMIPS_TLS_TPREL_LO16,
1951
    R_MICROMIPS_TLS_TPREL_LO16 - R_MICROMIPS_min },
1952
  /* There is no BFD reloc for R_MICROMIPS_GPREL7_S2.  */
1953
  /* There is no BFD reloc for R_MICROMIPS_PC23_S2.  */
1954
};
1955
 
1956 14 khays
/* Given a BFD reloc type, return a howto structure.  */
1957
 
1958
static reloc_howto_type *
1959
bfd_elf32_bfd_reloc_type_lookup (bfd *abfd, bfd_reloc_code_real_type code)
1960
{
1961
  unsigned int i;
1962
  reloc_howto_type *howto_table = elf_mips_howto_table_rel;
1963
  reloc_howto_type *howto16_table = elf_mips16_howto_table_rel;
1964 161 khays
  reloc_howto_type *howto_micromips_table = elf_micromips_howto_table_rel;
1965 14 khays
 
1966
  for (i = 0; i < sizeof (mips_reloc_map) / sizeof (struct elf_reloc_map);
1967
       i++)
1968
    {
1969
      if (mips_reloc_map[i].bfd_val == code)
1970
        return &howto_table[(int) mips_reloc_map[i].elf_val];
1971
    }
1972
 
1973
  for (i = 0; i < sizeof (mips16_reloc_map) / sizeof (struct elf_reloc_map);
1974
       i++)
1975
    {
1976
      if (mips16_reloc_map[i].bfd_val == code)
1977
        return &howto16_table[(int) mips16_reloc_map[i].elf_val];
1978
    }
1979
 
1980 161 khays
  for (i = 0; i < sizeof (micromips_reloc_map) / sizeof (struct elf_reloc_map);
1981
       i++)
1982
    {
1983
      if (micromips_reloc_map[i].bfd_val == code)
1984
        return &howto_micromips_table[(int) micromips_reloc_map[i].elf_val];
1985
    }
1986
 
1987 14 khays
  switch (code)
1988
    {
1989
    default:
1990
      bfd_set_error (bfd_error_bad_value);
1991
      return NULL;
1992
 
1993
    case BFD_RELOC_CTOR:
1994
      /* We need to handle BFD_RELOC_CTOR specially.
1995
         Select the right relocation (R_MIPS_32 or R_MIPS_64) based on the
1996
         size of addresses of the ABI.  */
1997
      if ((elf_elfheader (abfd)->e_flags & (E_MIPS_ABI_O64
1998
                                            | E_MIPS_ABI_EABI64)) != 0)
1999
        return &elf_mips_ctor64_howto;
2000
      else
2001
        return &howto_table[(int) R_MIPS_32];
2002
 
2003
    case BFD_RELOC_VTABLE_INHERIT:
2004
      return &elf_mips_gnu_vtinherit_howto;
2005
    case BFD_RELOC_VTABLE_ENTRY:
2006
      return &elf_mips_gnu_vtentry_howto;
2007
    case BFD_RELOC_32_PCREL:
2008
      return &elf_mips_gnu_pcrel32;
2009
    case BFD_RELOC_MIPS_COPY:
2010
      return &elf_mips_copy_howto;
2011
    case BFD_RELOC_MIPS_JUMP_SLOT:
2012
      return &elf_mips_jump_slot_howto;
2013
    }
2014
}
2015
 
2016
static reloc_howto_type *
2017
bfd_elf32_bfd_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
2018
                                 const char *r_name)
2019
{
2020
  unsigned int i;
2021
 
2022
  for (i = 0;
2023
       i < (sizeof (elf_mips_howto_table_rel)
2024
            / sizeof (elf_mips_howto_table_rel[0]));
2025
       i++)
2026
    if (elf_mips_howto_table_rel[i].name != NULL
2027
        && strcasecmp (elf_mips_howto_table_rel[i].name, r_name) == 0)
2028
      return &elf_mips_howto_table_rel[i];
2029
 
2030
  for (i = 0;
2031
       i < (sizeof (elf_mips16_howto_table_rel)
2032
            / sizeof (elf_mips16_howto_table_rel[0]));
2033
       i++)
2034
    if (elf_mips16_howto_table_rel[i].name != NULL
2035
        && strcasecmp (elf_mips16_howto_table_rel[i].name, r_name) == 0)
2036
      return &elf_mips16_howto_table_rel[i];
2037
 
2038 161 khays
  for (i = 0;
2039
       i < (sizeof (elf_micromips_howto_table_rel)
2040
            / sizeof (elf_micromips_howto_table_rel[0]));
2041
       i++)
2042
    if (elf_micromips_howto_table_rel[i].name != NULL
2043
        && strcasecmp (elf_micromips_howto_table_rel[i].name, r_name) == 0)
2044
      return &elf_micromips_howto_table_rel[i];
2045
 
2046 14 khays
  if (strcasecmp (elf_mips_gnu_pcrel32.name, r_name) == 0)
2047
    return &elf_mips_gnu_pcrel32;
2048
  if (strcasecmp (elf_mips_gnu_rel16_s2.name, r_name) == 0)
2049
    return &elf_mips_gnu_rel16_s2;
2050
  if (strcasecmp (elf_mips_gnu_vtinherit_howto.name, r_name) == 0)
2051
    return &elf_mips_gnu_vtinherit_howto;
2052
  if (strcasecmp (elf_mips_gnu_vtentry_howto.name, r_name) == 0)
2053
    return &elf_mips_gnu_vtentry_howto;
2054
  if (strcasecmp (elf_mips_copy_howto.name, r_name) == 0)
2055
    return &elf_mips_copy_howto;
2056
  if (strcasecmp (elf_mips_jump_slot_howto.name, r_name) == 0)
2057
    return &elf_mips_jump_slot_howto;
2058
 
2059
  return NULL;
2060
}
2061
 
2062
/* Given a MIPS Elf_Internal_Rel, fill in an arelent structure.  */
2063
 
2064
static reloc_howto_type *
2065
mips_elf32_rtype_to_howto (unsigned int r_type,
2066
                           bfd_boolean rela_p ATTRIBUTE_UNUSED)
2067
{
2068
  switch (r_type)
2069
    {
2070
    case R_MIPS_GNU_VTINHERIT:
2071
      return &elf_mips_gnu_vtinherit_howto;
2072
    case R_MIPS_GNU_VTENTRY:
2073
      return &elf_mips_gnu_vtentry_howto;
2074
    case R_MIPS_GNU_REL16_S2:
2075
      return &elf_mips_gnu_rel16_s2;
2076
    case R_MIPS_PC32:
2077
      return &elf_mips_gnu_pcrel32;
2078
    case R_MIPS_COPY:
2079
      return &elf_mips_copy_howto;
2080
    case R_MIPS_JUMP_SLOT:
2081
      return &elf_mips_jump_slot_howto;
2082
    default:
2083 161 khays
      if (r_type >= R_MICROMIPS_min && r_type < R_MICROMIPS_max)
2084
        return &elf_micromips_howto_table_rel[r_type - R_MICROMIPS_min];
2085 14 khays
      if (r_type >= R_MIPS16_min && r_type < R_MIPS16_max)
2086
        return &elf_mips16_howto_table_rel[r_type - R_MIPS16_min];
2087
      BFD_ASSERT (r_type < (unsigned int) R_MIPS_max);
2088
      return &elf_mips_howto_table_rel[r_type];
2089
    }
2090
}
2091
 
2092
/* Given a MIPS Elf_Internal_Rel, fill in an arelent structure.  */
2093
 
2094
static void
2095
mips_info_to_howto_rel (bfd *abfd, arelent *cache_ptr, Elf_Internal_Rela *dst)
2096
{
2097
  const struct elf_backend_data *bed;
2098
  unsigned int r_type;
2099
 
2100
  r_type = ELF32_R_TYPE (dst->r_info);
2101
  bed = get_elf_backend_data (abfd);
2102
  cache_ptr->howto = bed->elf_backend_mips_rtype_to_howto (r_type, FALSE);
2103
 
2104
  /* The addend for a GPREL16 or LITERAL relocation comes from the GP
2105
     value for the object file.  We get the addend now, rather than
2106
     when we do the relocation, because the symbol manipulations done
2107
     by the linker may cause us to lose track of the input BFD.  */
2108
  if (((*cache_ptr->sym_ptr_ptr)->flags & BSF_SECTION_SYM) != 0
2109 161 khays
      && (gprel16_reloc_p (r_type) || literal_reloc_p (r_type)))
2110 14 khays
    cache_ptr->addend = elf_gp (abfd);
2111
}
2112
 
2113
/* Given a MIPS Elf_Internal_Rela, fill in an arelent structure.  */
2114
 
2115
static void
2116
mips_info_to_howto_rela (bfd *abfd, arelent *cache_ptr, Elf_Internal_Rela *dst)
2117
{
2118
  mips_info_to_howto_rel (abfd, cache_ptr, dst);
2119
 
2120
  /* If we ever need to do any extra processing with dst->r_addend
2121
     (the field omitted in an Elf_Internal_Rel) we can do it here.  */
2122
}
2123
 
2124
/* Determine whether a symbol is global for the purposes of splitting
2125
   the symbol table into global symbols and local symbols.  At least
2126
   on Irix 5, this split must be between section symbols and all other
2127
   symbols.  On most ELF targets the split is between static symbols
2128
   and externally visible symbols.  */
2129
 
2130
static bfd_boolean
2131
mips_elf_sym_is_global (bfd *abfd ATTRIBUTE_UNUSED, asymbol *sym)
2132
{
2133
  if (SGI_COMPAT (abfd))
2134
    return (sym->flags & BSF_SECTION_SYM) == 0;
2135
  else
2136
    return ((sym->flags & (BSF_GLOBAL | BSF_WEAK | BSF_GNU_UNIQUE)) != 0
2137
            || bfd_is_und_section (bfd_get_section (sym))
2138
            || bfd_is_com_section (bfd_get_section (sym)));
2139
}
2140
 
2141
/* Set the right machine number for a MIPS ELF file.  */
2142
 
2143
static bfd_boolean
2144
mips_elf32_object_p (bfd *abfd)
2145
{
2146
  unsigned long mach;
2147
 
2148
  /* Irix 5 and 6 are broken.  Object file symbol tables are not always
2149
     sorted correctly such that local symbols precede global symbols,
2150
     and the sh_info field in the symbol table is not always right.  */
2151
  if (SGI_COMPAT (abfd))
2152
    elf_bad_symtab (abfd) = TRUE;
2153
 
2154
  if (ABI_N32_P (abfd))
2155
    return FALSE;
2156
 
2157
  mach = _bfd_elf_mips_mach (elf_elfheader (abfd)->e_flags);
2158
  bfd_default_set_arch_mach (abfd, bfd_arch_mips, mach);
2159
 
2160
  return TRUE;
2161
}
2162
 
2163
/* MIPS ELF local labels start with '$', not 'L'.  */
2164
 
2165
static bfd_boolean
2166
mips_elf_is_local_label_name (bfd *abfd, const char *name)
2167
{
2168
  if (name[0] == '$')
2169
    return TRUE;
2170
 
2171
  /* On Irix 6, the labels go back to starting with '.', so we accept
2172
     the generic ELF local label syntax as well.  */
2173
  return _bfd_elf_is_local_label_name (abfd, name);
2174
}
2175
 
2176
/* Support for core dump NOTE sections.  */
2177
static bfd_boolean
2178
elf32_mips_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
2179
{
2180
  int offset;
2181
  unsigned int size;
2182
 
2183
  switch (note->descsz)
2184
    {
2185
      default:
2186
        return FALSE;
2187
 
2188
      case 256:         /* Linux/MIPS */
2189
        /* pr_cursig */
2190
        elf_tdata (abfd)->core_signal = bfd_get_16 (abfd, note->descdata + 12);
2191
 
2192
        /* pr_pid */
2193
        elf_tdata (abfd)->core_lwpid = bfd_get_32 (abfd, note->descdata + 24);
2194
 
2195
        /* pr_reg */
2196
        offset = 72;
2197
        size = 180;
2198
 
2199
        break;
2200
    }
2201
 
2202
  /* Make a ".reg/999" section.  */
2203
  return _bfd_elfcore_make_pseudosection (abfd, ".reg",
2204
                                          size, note->descpos + offset);
2205
}
2206
 
2207
static bfd_boolean
2208
elf32_mips_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
2209
{
2210
  switch (note->descsz)
2211
    {
2212
      default:
2213
        return FALSE;
2214
 
2215
      case 128:         /* Linux/MIPS elf_prpsinfo */
2216
        elf_tdata (abfd)->core_program
2217
         = _bfd_elfcore_strndup (abfd, note->descdata + 32, 16);
2218
        elf_tdata (abfd)->core_command
2219
         = _bfd_elfcore_strndup (abfd, note->descdata + 48, 80);
2220
    }
2221
 
2222
  /* Note that for some reason, a spurious space is tacked
2223
     onto the end of the args in some (at least one anyway)
2224
     implementations, so strip it off if it exists.  */
2225
 
2226
  {
2227
    char *command = elf_tdata (abfd)->core_command;
2228
    int n = strlen (command);
2229
 
2230
    if (0 < n && command[n - 1] == ' ')
2231
      command[n - 1] = '\0';
2232
  }
2233
 
2234
  return TRUE;
2235
}
2236
 
2237
/* Depending on the target vector we generate some version of Irix
2238
   executables or "normal" MIPS ELF ABI executables.  */
2239
static irix_compat_t
2240
elf32_mips_irix_compat (bfd *abfd)
2241
{
2242
  if ((abfd->xvec == &bfd_elf32_bigmips_vec)
2243
      || (abfd->xvec == &bfd_elf32_littlemips_vec))
2244
    return ict_irix5;
2245
  else
2246
    return ict_none;
2247
}
2248
 
2249
/* ECOFF swapping routines.  These are used when dealing with the
2250
   .mdebug section, which is in the ECOFF debugging format.  */
2251
static const struct ecoff_debug_swap mips_elf32_ecoff_debug_swap = {
2252
  /* Symbol table magic number.  */
2253
  magicSym,
2254
  /* Alignment of debugging information.  E.g., 4.  */
2255
  4,
2256
  /* Sizes of external symbolic information.  */
2257
  sizeof (struct hdr_ext),
2258
  sizeof (struct dnr_ext),
2259
  sizeof (struct pdr_ext),
2260
  sizeof (struct sym_ext),
2261
  sizeof (struct opt_ext),
2262
  sizeof (struct fdr_ext),
2263
  sizeof (struct rfd_ext),
2264
  sizeof (struct ext_ext),
2265
  /* Functions to swap in external symbolic data.  */
2266
  ecoff_swap_hdr_in,
2267
  ecoff_swap_dnr_in,
2268
  ecoff_swap_pdr_in,
2269
  ecoff_swap_sym_in,
2270
  ecoff_swap_opt_in,
2271
  ecoff_swap_fdr_in,
2272
  ecoff_swap_rfd_in,
2273
  ecoff_swap_ext_in,
2274
  _bfd_ecoff_swap_tir_in,
2275
  _bfd_ecoff_swap_rndx_in,
2276
  /* Functions to swap out external symbolic data.  */
2277
  ecoff_swap_hdr_out,
2278
  ecoff_swap_dnr_out,
2279
  ecoff_swap_pdr_out,
2280
  ecoff_swap_sym_out,
2281
  ecoff_swap_opt_out,
2282
  ecoff_swap_fdr_out,
2283
  ecoff_swap_rfd_out,
2284
  ecoff_swap_ext_out,
2285
  _bfd_ecoff_swap_tir_out,
2286
  _bfd_ecoff_swap_rndx_out,
2287
  /* Function to read in symbolic data.  */
2288
  _bfd_mips_elf_read_ecoff_info
2289
};
2290
 
2291
#define ELF_ARCH                        bfd_arch_mips
2292
#define ELF_TARGET_ID                   MIPS_ELF_DATA
2293
#define ELF_MACHINE_CODE                EM_MIPS
2294
 
2295
#define elf_backend_collect             TRUE
2296
#define elf_backend_type_change_ok      TRUE
2297
#define elf_backend_can_gc_sections     TRUE
2298
#define elf_info_to_howto               mips_info_to_howto_rela
2299
#define elf_info_to_howto_rel           mips_info_to_howto_rel
2300
#define elf_backend_sym_is_global       mips_elf_sym_is_global
2301
#define elf_backend_object_p            mips_elf32_object_p
2302
#define elf_backend_symbol_processing   _bfd_mips_elf_symbol_processing
2303
#define elf_backend_section_processing  _bfd_mips_elf_section_processing
2304
#define elf_backend_section_from_shdr   _bfd_mips_elf_section_from_shdr
2305
#define elf_backend_fake_sections       _bfd_mips_elf_fake_sections
2306
#define elf_backend_section_from_bfd_section \
2307
                                        _bfd_mips_elf_section_from_bfd_section
2308
#define elf_backend_add_symbol_hook     _bfd_mips_elf_add_symbol_hook
2309
#define elf_backend_link_output_symbol_hook \
2310
                                        _bfd_mips_elf_link_output_symbol_hook
2311
#define elf_backend_create_dynamic_sections \
2312
                                        _bfd_mips_elf_create_dynamic_sections
2313
#define elf_backend_check_relocs        _bfd_mips_elf_check_relocs
2314
#define elf_backend_merge_symbol_attribute \
2315
                                        _bfd_mips_elf_merge_symbol_attribute
2316
#define elf_backend_get_target_dtag     _bfd_mips_elf_get_target_dtag
2317
#define elf_backend_adjust_dynamic_symbol \
2318
                                        _bfd_mips_elf_adjust_dynamic_symbol
2319
#define elf_backend_always_size_sections \
2320
                                        _bfd_mips_elf_always_size_sections
2321
#define elf_backend_size_dynamic_sections \
2322
                                        _bfd_mips_elf_size_dynamic_sections
2323
#define elf_backend_init_index_section  _bfd_elf_init_1_index_section
2324
#define elf_backend_relocate_section    _bfd_mips_elf_relocate_section
2325
#define elf_backend_finish_dynamic_symbol \
2326
                                        _bfd_mips_elf_finish_dynamic_symbol
2327
#define elf_backend_finish_dynamic_sections \
2328
                                        _bfd_mips_elf_finish_dynamic_sections
2329
#define elf_backend_final_write_processing \
2330
                                        _bfd_mips_elf_final_write_processing
2331
#define elf_backend_additional_program_headers \
2332
                                        _bfd_mips_elf_additional_program_headers
2333
#define elf_backend_modify_segment_map  _bfd_mips_elf_modify_segment_map
2334
#define elf_backend_gc_mark_hook        _bfd_mips_elf_gc_mark_hook
2335
#define elf_backend_gc_sweep_hook       _bfd_mips_elf_gc_sweep_hook
2336
#define elf_backend_copy_indirect_symbol \
2337
                                        _bfd_mips_elf_copy_indirect_symbol
2338
#define elf_backend_grok_prstatus       elf32_mips_grok_prstatus
2339
#define elf_backend_grok_psinfo         elf32_mips_grok_psinfo
2340
#define elf_backend_ecoff_debug_swap    &mips_elf32_ecoff_debug_swap
2341
 
2342
#define elf_backend_got_header_size     (4 * MIPS_RESERVED_GOTNO)
2343
#define elf_backend_may_use_rel_p       1
2344
#define elf_backend_may_use_rela_p      0
2345
#define elf_backend_default_use_rela_p  0
2346
#define elf_backend_sign_extend_vma     TRUE
2347
#define elf_backend_plt_readonly        1
2348
#define elf_backend_plt_sym_val         _bfd_mips_elf_plt_sym_val
2349
 
2350
#define elf_backend_discard_info        _bfd_mips_elf_discard_info
2351
#define elf_backend_ignore_discarded_relocs \
2352
                                        _bfd_mips_elf_ignore_discarded_relocs
2353
#define elf_backend_write_section       _bfd_mips_elf_write_section
2354
#define elf_backend_mips_irix_compat    elf32_mips_irix_compat
2355
#define elf_backend_mips_rtype_to_howto mips_elf32_rtype_to_howto
2356
#define bfd_elf32_bfd_is_local_label_name \
2357
                                        mips_elf_is_local_label_name
2358 161 khays
#define bfd_elf32_bfd_is_target_special_symbol \
2359
                                        _bfd_mips_elf_is_target_special_symbol
2360 14 khays
#define bfd_elf32_find_nearest_line     _bfd_mips_elf_find_nearest_line
2361
#define bfd_elf32_find_inliner_info     _bfd_mips_elf_find_inliner_info
2362
#define bfd_elf32_new_section_hook      _bfd_mips_elf_new_section_hook
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
2374 161 khays
#define bfd_elf32_bfd_relax_section     _bfd_mips_elf_relax_section
2375 14 khays
 
2376
/* Support for SGI-ish mips targets.  */
2377
#define TARGET_LITTLE_SYM               bfd_elf32_littlemips_vec
2378
#define TARGET_LITTLE_NAME              "elf32-littlemips"
2379
#define TARGET_BIG_SYM                  bfd_elf32_bigmips_vec
2380
#define TARGET_BIG_NAME                 "elf32-bigmips"
2381
 
2382
/* The SVR4 MIPS ABI says that this should be 0x10000, but Irix 5 uses
2383
   a value of 0x1000, and we are compatible.  */
2384
#define ELF_MAXPAGESIZE                 0x1000
2385
#define ELF_COMMONPAGESIZE              0x1000
2386
 
2387
#include "elf32-target.h"
2388
 
2389
/* Support for traditional mips targets.  */
2390
#undef TARGET_LITTLE_SYM
2391
#undef TARGET_LITTLE_NAME
2392
#undef TARGET_BIG_SYM
2393
#undef TARGET_BIG_NAME
2394
 
2395
#undef ELF_MAXPAGESIZE
2396
#undef ELF_COMMONPAGESIZE
2397
 
2398
#define TARGET_LITTLE_SYM               bfd_elf32_tradlittlemips_vec
2399
#define TARGET_LITTLE_NAME              "elf32-tradlittlemips"
2400
#define TARGET_BIG_SYM                  bfd_elf32_tradbigmips_vec
2401
#define TARGET_BIG_NAME                 "elf32-tradbigmips"
2402
 
2403
/* The MIPS ABI says at Page 5-1:
2404
   Virtual addresses and file offsets for MIPS segments are congruent
2405
   modulo 64 KByte (0x10000) or larger powers of 2.  Because 64 KBytes
2406
   is the maximum page size, the files are suitable for paging
2407
   regardless of physical page size.  */
2408
#define ELF_MAXPAGESIZE                 0x10000
2409
#define ELF_COMMONPAGESIZE              0x1000
2410
#define elf32_bed                       elf32_tradbed
2411
 
2412
/* Include the target file again for this target.  */
2413
#include "elf32-target.h"
2414
 
2415
/* FreeBSD support.  */
2416
 
2417
#undef TARGET_LITTLE_SYM
2418
#undef TARGET_LITTLE_NAME
2419
#undef TARGET_BIG_SYM
2420
#undef TARGET_BIG_NAME
2421
 
2422
#define TARGET_LITTLE_SYM               bfd_elf32_tradlittlemips_freebsd_vec
2423
#define TARGET_LITTLE_NAME              "elf32-tradlittlemips-freebsd"
2424
#define TARGET_BIG_SYM                  bfd_elf32_tradbigmips_freebsd_vec
2425
#define TARGET_BIG_NAME                 "elf32-tradbigmips-freebsd"
2426
 
2427
#undef  ELF_OSABI
2428
#define ELF_OSABI                       ELFOSABI_FREEBSD
2429
 
2430
/* The kernel recognizes executables as valid only if they carry a
2431
   "FreeBSD" label in the ELF header.  So we put this label on all
2432
   executables and (for simplicity) also all other object files.  */
2433
 
2434
static void
2435
elf_fbsd_post_process_headers (bfd *abfd, struct bfd_link_info *info)
2436
{
2437
  _bfd_elf_set_osabi (abfd, info);
2438
}
2439
 
2440
#undef  elf_backend_post_process_headers
2441
#define elf_backend_post_process_headers        elf_fbsd_post_process_headers
2442
#undef  elf32_bed
2443
#define elf32_bed                               elf32_fbsd_tradbed
2444
 
2445
#include "elf32-target.h"
2446
/* Implement elf_backend_final_write_processing for VxWorks.  */
2447
 
2448
static void
2449
mips_vxworks_final_write_processing (bfd *abfd, bfd_boolean linker)
2450
{
2451
  _bfd_mips_elf_final_write_processing (abfd, linker);
2452
  elf_vxworks_final_write_processing (abfd, linker);
2453
}
2454
 
2455
#undef TARGET_LITTLE_SYM
2456
#undef TARGET_LITTLE_NAME
2457
#undef TARGET_BIG_SYM
2458
#undef TARGET_BIG_NAME
2459
 
2460
#undef ELF_MAXPAGESIZE
2461
#undef ELF_COMMONPAGESIZE
2462
 
2463
#define TARGET_LITTLE_SYM               bfd_elf32_littlemips_vxworks_vec
2464
#define TARGET_LITTLE_NAME              "elf32-littlemips-vxworks"
2465
#define TARGET_BIG_SYM                  bfd_elf32_bigmips_vxworks_vec
2466
#define TARGET_BIG_NAME                 "elf32-bigmips-vxworks"
2467
 
2468
#undef elf32_bed
2469
#define elf32_bed                       elf32_mips_vxworks_bed
2470
 
2471
#define ELF_MAXPAGESIZE                 0x1000
2472
#define ELF_COMMONPAGESIZE              0x1000
2473
 
2474
#undef elf_backend_want_got_plt
2475
#define elf_backend_want_got_plt                1
2476
#undef elf_backend_want_plt_sym
2477
#define elf_backend_want_plt_sym                1
2478
#undef elf_backend_may_use_rel_p
2479
#define elf_backend_may_use_rel_p               0
2480
#undef elf_backend_may_use_rela_p
2481
#define elf_backend_may_use_rela_p              1
2482
#undef elf_backend_default_use_rela_p
2483
#define elf_backend_default_use_rela_p          1
2484
#undef elf_backend_got_header_size
2485
#define elf_backend_got_header_size             (4 * 3)
2486
#undef elf_backend_plt_sym_val
2487
 
2488
#undef elf_backend_finish_dynamic_symbol
2489
#define elf_backend_finish_dynamic_symbol \
2490
  _bfd_mips_vxworks_finish_dynamic_symbol
2491
#undef bfd_elf32_bfd_link_hash_table_create
2492
#define bfd_elf32_bfd_link_hash_table_create \
2493
  _bfd_mips_vxworks_link_hash_table_create
2494
#undef elf_backend_add_symbol_hook
2495
#define elf_backend_add_symbol_hook \
2496
  elf_vxworks_add_symbol_hook
2497
#undef elf_backend_link_output_symbol_hook
2498
#define elf_backend_link_output_symbol_hook \
2499
  elf_vxworks_link_output_symbol_hook
2500
#undef elf_backend_emit_relocs
2501
#define elf_backend_emit_relocs \
2502
  elf_vxworks_emit_relocs
2503
#undef elf_backend_final_write_processing
2504
#define elf_backend_final_write_processing \
2505
  mips_vxworks_final_write_processing
2506
 
2507
#undef elf_backend_additional_program_headers
2508
#undef elf_backend_modify_segment_map
2509
#undef elf_backend_symbol_processing
2510
/* NOTE: elf_backend_rela_normal is not defined for MIPS.  */
2511
 
2512
#include "elf32-target.h"

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