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8a397dad | 1 | /* MIPS-specific support for 32-bit ELF |
ab7d0aa0 | 2 | Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, |
0f20cc35 | 3 | 2003, 2004, 2005 Free Software Foundation, Inc. |
8a397dad TS |
4 | |
5 | Most of the information added by Ian Lance Taylor, Cygnus Support, | |
6 | <ian@cygnus.com>. | |
7 | N32/64 ABI support added by Mark Mitchell, CodeSourcery, LLC. | |
8 | <mark@codesourcery.com> | |
9 | Traditional MIPS targets support added by Koundinya.K, Dansk Data | |
10 | Elektronik & Operations Research Group. <kk@ddeorg.soft.net> | |
11 | ||
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 2 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 | |
3e110533 | 26 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ |
8a397dad TS |
27 | |
28 | /* This file handles MIPS ELF targets. SGI Irix 5 uses a slightly | |
29 | different MIPS ELF from other targets. This matters when linking. | |
30 | This file supports both, switching at runtime. */ | |
31 | ||
32 | #include "bfd.h" | |
33 | #include "sysdep.h" | |
34 | #include "libbfd.h" | |
35 | #include "bfdlink.h" | |
36 | #include "genlink.h" | |
37 | #include "elf-bfd.h" | |
38 | #include "elfxx-mips.h" | |
39 | #include "elf/mips.h" | |
40 | ||
41 | /* Get the ECOFF swapping routines. */ | |
42 | #include "coff/sym.h" | |
43 | #include "coff/symconst.h" | |
44 | #include "coff/internal.h" | |
45 | #include "coff/ecoff.h" | |
46 | #include "coff/mips.h" | |
47 | #define ECOFF_SIGNED_32 | |
48 | #include "ecoffswap.h" | |
49 | ||
b34976b6 | 50 | static bfd_boolean mips_elf_assign_gp |
11a2be4d | 51 | (bfd *, bfd_vma *); |
8a397dad | 52 | static bfd_reloc_status_type mips_elf_final_gp |
11a2be4d | 53 | (bfd *, asymbol *, bfd_boolean, char **, bfd_vma *); |
8a397dad | 54 | static bfd_reloc_status_type mips_elf_gprel16_reloc |
11a2be4d | 55 | (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); |
8a397dad | 56 | static bfd_reloc_status_type mips_elf_literal_reloc |
11a2be4d | 57 | (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); |
8a397dad | 58 | static bfd_reloc_status_type mips_elf_gprel32_reloc |
11a2be4d | 59 | (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); |
8a397dad | 60 | static bfd_reloc_status_type gprel32_with_gp |
11a2be4d | 61 | (bfd *, asymbol *, arelent *, asection *, bfd_boolean, void *, bfd_vma); |
8a397dad | 62 | static bfd_reloc_status_type mips_elf_shift6_reloc |
11a2be4d | 63 | (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); |
8a397dad | 64 | static bfd_reloc_status_type mips16_gprel_reloc |
11a2be4d | 65 | (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); |
8a397dad | 66 | static reloc_howto_type *bfd_elf32_bfd_reloc_type_lookup |
11a2be4d | 67 | (bfd *, bfd_reloc_code_real_type); |
8a397dad | 68 | static reloc_howto_type *mips_elf_n32_rtype_to_howto |
11a2be4d | 69 | (unsigned int, bfd_boolean); |
8a397dad | 70 | static void mips_info_to_howto_rel |
11a2be4d | 71 | (bfd *, arelent *, Elf_Internal_Rela *); |
8a397dad | 72 | static void mips_info_to_howto_rela |
11a2be4d | 73 | (bfd *, arelent *, Elf_Internal_Rela *); |
b34976b6 | 74 | static bfd_boolean mips_elf_sym_is_global |
11a2be4d | 75 | (bfd *, asymbol *); |
b34976b6 | 76 | static bfd_boolean mips_elf_n32_object_p |
11a2be4d | 77 | (bfd *); |
b34976b6 | 78 | static bfd_boolean elf32_mips_grok_prstatus |
11a2be4d | 79 | (bfd *, Elf_Internal_Note *); |
b34976b6 | 80 | static bfd_boolean elf32_mips_grok_psinfo |
11a2be4d | 81 | (bfd *, Elf_Internal_Note *); |
8a397dad | 82 | static irix_compat_t elf_n32_mips_irix_compat |
11a2be4d | 83 | (bfd *); |
8a397dad TS |
84 | |
85 | extern const bfd_target bfd_elf32_nbigmips_vec; | |
86 | extern const bfd_target bfd_elf32_nlittlemips_vec; | |
87 | ||
8a397dad TS |
88 | /* Nonzero if ABFD is using the N32 ABI. */ |
89 | #define ABI_N32_P(abfd) \ | |
90 | ((elf_elfheader (abfd)->e_flags & EF_MIPS_ABI2) != 0) | |
91 | ||
92 | /* Whether we are trying to be compatible with IRIX at all. */ | |
93 | #define SGI_COMPAT(abfd) \ | |
94 | (elf_n32_mips_irix_compat (abfd) != ict_none) | |
95 | ||
96 | /* The number of local .got entries we reserve. */ | |
97 | #define MIPS_RESERVED_GOTNO (2) | |
98 | ||
99 | /* In case we're on a 32-bit machine, construct a 64-bit "-1" value | |
100 | from smaller values. Start with zero, widen, *then* decrement. */ | |
101 | #define MINUS_ONE (((bfd_vma)0) - 1) | |
102 | ||
103 | /* The relocation table used for SHT_REL sections. */ | |
104 | ||
105 | static reloc_howto_type elf_mips_howto_table_rel[] = | |
106 | { | |
107 | /* No relocation. */ | |
108 | HOWTO (R_MIPS_NONE, /* type */ | |
109 | 0, /* rightshift */ | |
110 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
111 | 0, /* bitsize */ | |
b34976b6 | 112 | FALSE, /* pc_relative */ |
8a397dad TS |
113 | 0, /* bitpos */ |
114 | complain_overflow_dont, /* complain_on_overflow */ | |
30ac9238 | 115 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 116 | "R_MIPS_NONE", /* name */ |
b34976b6 | 117 | FALSE, /* partial_inplace */ |
8a397dad TS |
118 | 0, /* src_mask */ |
119 | 0, /* dst_mask */ | |
b34976b6 | 120 | FALSE), /* pcrel_offset */ |
8a397dad TS |
121 | |
122 | /* 16 bit relocation. */ | |
123 | HOWTO (R_MIPS_16, /* type */ | |
124 | 0, /* rightshift */ | |
125 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
126 | 16, /* bitsize */ | |
b34976b6 | 127 | FALSE, /* pc_relative */ |
8a397dad TS |
128 | 0, /* bitpos */ |
129 | complain_overflow_signed, /* complain_on_overflow */ | |
30ac9238 | 130 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 131 | "R_MIPS_16", /* name */ |
b34976b6 | 132 | TRUE, /* partial_inplace */ |
8a397dad TS |
133 | 0x0000ffff, /* src_mask */ |
134 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 135 | FALSE), /* pcrel_offset */ |
8a397dad TS |
136 | |
137 | /* 32 bit relocation. */ | |
138 | HOWTO (R_MIPS_32, /* type */ | |
139 | 0, /* rightshift */ | |
140 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
141 | 32, /* bitsize */ | |
b34976b6 | 142 | FALSE, /* pc_relative */ |
8a397dad TS |
143 | 0, /* bitpos */ |
144 | complain_overflow_dont, /* complain_on_overflow */ | |
30ac9238 | 145 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 146 | "R_MIPS_32", /* name */ |
b34976b6 | 147 | TRUE, /* partial_inplace */ |
8a397dad TS |
148 | 0xffffffff, /* src_mask */ |
149 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 150 | FALSE), /* pcrel_offset */ |
8a397dad TS |
151 | |
152 | /* 32 bit symbol relative relocation. */ | |
153 | HOWTO (R_MIPS_REL32, /* type */ | |
154 | 0, /* rightshift */ | |
155 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
156 | 32, /* bitsize */ | |
b34976b6 | 157 | FALSE, /* pc_relative */ |
8a397dad TS |
158 | 0, /* bitpos */ |
159 | complain_overflow_dont, /* complain_on_overflow */ | |
30ac9238 | 160 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 161 | "R_MIPS_REL32", /* name */ |
b34976b6 | 162 | TRUE, /* partial_inplace */ |
8a397dad TS |
163 | 0xffffffff, /* src_mask */ |
164 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 165 | FALSE), /* pcrel_offset */ |
8a397dad TS |
166 | |
167 | /* 26 bit jump address. */ | |
168 | HOWTO (R_MIPS_26, /* type */ | |
169 | 2, /* rightshift */ | |
170 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
171 | 26, /* bitsize */ | |
b34976b6 | 172 | FALSE, /* pc_relative */ |
8a397dad TS |
173 | 0, /* bitpos */ |
174 | complain_overflow_dont, /* complain_on_overflow */ | |
175 | /* This needs complex overflow | |
176 | detection, because the upper four | |
177 | bits must match the PC + 4. */ | |
30ac9238 | 178 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 179 | "R_MIPS_26", /* name */ |
b34976b6 | 180 | TRUE, /* partial_inplace */ |
8a397dad TS |
181 | 0x03ffffff, /* src_mask */ |
182 | 0x03ffffff, /* dst_mask */ | |
b34976b6 | 183 | FALSE), /* pcrel_offset */ |
8a397dad TS |
184 | |
185 | /* R_MIPS_HI16 and R_MIPS_LO16 are unsupported for NewABI REL. | |
186 | However, the native IRIX6 tools use them, so we try our best. */ | |
187 | ||
188 | /* High 16 bits of symbol value. */ | |
189 | HOWTO (R_MIPS_HI16, /* type */ | |
30ac9238 | 190 | 16, /* rightshift */ |
8a397dad TS |
191 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
192 | 16, /* bitsize */ | |
b34976b6 | 193 | FALSE, /* pc_relative */ |
8a397dad TS |
194 | 0, /* bitpos */ |
195 | complain_overflow_dont, /* complain_on_overflow */ | |
30ac9238 | 196 | _bfd_mips_elf_hi16_reloc, /* special_function */ |
8a397dad | 197 | "R_MIPS_HI16", /* name */ |
b34976b6 | 198 | TRUE, /* partial_inplace */ |
8a397dad TS |
199 | 0x0000ffff, /* src_mask */ |
200 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 201 | FALSE), /* pcrel_offset */ |
8a397dad TS |
202 | |
203 | /* Low 16 bits of symbol value. */ | |
204 | HOWTO (R_MIPS_LO16, /* type */ | |
205 | 0, /* rightshift */ | |
206 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
207 | 16, /* bitsize */ | |
b34976b6 | 208 | FALSE, /* pc_relative */ |
8a397dad TS |
209 | 0, /* bitpos */ |
210 | complain_overflow_dont, /* complain_on_overflow */ | |
30ac9238 | 211 | _bfd_mips_elf_lo16_reloc, /* special_function */ |
8a397dad | 212 | "R_MIPS_LO16", /* name */ |
b34976b6 | 213 | TRUE, /* partial_inplace */ |
8a397dad TS |
214 | 0x0000ffff, /* src_mask */ |
215 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 216 | FALSE), /* pcrel_offset */ |
8a397dad TS |
217 | |
218 | /* GP relative reference. */ | |
219 | HOWTO (R_MIPS_GPREL16, /* type */ | |
220 | 0, /* rightshift */ | |
221 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
222 | 16, /* bitsize */ | |
b34976b6 | 223 | FALSE, /* pc_relative */ |
8a397dad TS |
224 | 0, /* bitpos */ |
225 | complain_overflow_signed, /* complain_on_overflow */ | |
226 | mips_elf_gprel16_reloc, /* special_function */ | |
227 | "R_MIPS_GPREL16", /* name */ | |
b34976b6 | 228 | TRUE, /* partial_inplace */ |
8a397dad TS |
229 | 0x0000ffff, /* src_mask */ |
230 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 231 | FALSE), /* pcrel_offset */ |
8a397dad TS |
232 | |
233 | /* Reference to literal section. */ | |
234 | HOWTO (R_MIPS_LITERAL, /* type */ | |
235 | 0, /* rightshift */ | |
236 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
237 | 16, /* bitsize */ | |
b34976b6 | 238 | FALSE, /* pc_relative */ |
8a397dad TS |
239 | 0, /* bitpos */ |
240 | complain_overflow_signed, /* complain_on_overflow */ | |
241 | mips_elf_literal_reloc, /* special_function */ | |
242 | "R_MIPS_LITERAL", /* name */ | |
b34976b6 | 243 | TRUE, /* partial_inplace */ |
8a397dad TS |
244 | 0x0000ffff, /* src_mask */ |
245 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 246 | FALSE), /* pcrel_offset */ |
8a397dad TS |
247 | |
248 | /* Reference to global offset table. */ | |
249 | HOWTO (R_MIPS_GOT16, /* type */ | |
250 | 0, /* rightshift */ | |
251 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
252 | 16, /* bitsize */ | |
b34976b6 | 253 | FALSE, /* pc_relative */ |
8a397dad TS |
254 | 0, /* bitpos */ |
255 | complain_overflow_signed, /* complain_on_overflow */ | |
30ac9238 | 256 | _bfd_mips_elf_got16_reloc, /* special_function */ |
8a397dad | 257 | "R_MIPS_GOT16", /* name */ |
b34976b6 | 258 | TRUE, /* partial_inplace */ |
8a397dad TS |
259 | 0x0000ffff, /* src_mask */ |
260 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 261 | FALSE), /* pcrel_offset */ |
8a397dad | 262 | |
bad36eac DJ |
263 | /* 16 bit PC relative reference. Note that the ABI document has a typo |
264 | and claims R_MIPS_PC16 to be not rightshifted, rendering it useless. | |
265 | We do the right thing here. */ | |
8a397dad | 266 | HOWTO (R_MIPS_PC16, /* type */ |
bad36eac | 267 | 2, /* rightshift */ |
8a397dad TS |
268 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
269 | 16, /* bitsize */ | |
b34976b6 | 270 | TRUE, /* pc_relative */ |
8a397dad TS |
271 | 0, /* bitpos */ |
272 | complain_overflow_signed, /* complain_on_overflow */ | |
30ac9238 | 273 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 274 | "R_MIPS_PC16", /* name */ |
b34976b6 | 275 | TRUE, /* partial_inplace */ |
8a397dad TS |
276 | 0x0000ffff, /* src_mask */ |
277 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 278 | TRUE), /* pcrel_offset */ |
8a397dad TS |
279 | |
280 | /* 16 bit call through global offset table. */ | |
281 | HOWTO (R_MIPS_CALL16, /* type */ | |
282 | 0, /* rightshift */ | |
283 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
284 | 16, /* bitsize */ | |
b34976b6 | 285 | FALSE, /* pc_relative */ |
8a397dad TS |
286 | 0, /* bitpos */ |
287 | complain_overflow_signed, /* complain_on_overflow */ | |
30ac9238 | 288 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 289 | "R_MIPS_CALL16", /* name */ |
b34976b6 | 290 | TRUE, /* partial_inplace */ |
8a397dad TS |
291 | 0x0000ffff, /* src_mask */ |
292 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 293 | FALSE), /* pcrel_offset */ |
8a397dad TS |
294 | |
295 | /* 32 bit GP relative reference. */ | |
296 | HOWTO (R_MIPS_GPREL32, /* type */ | |
297 | 0, /* rightshift */ | |
298 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
299 | 32, /* bitsize */ | |
b34976b6 | 300 | FALSE, /* pc_relative */ |
8a397dad TS |
301 | 0, /* bitpos */ |
302 | complain_overflow_dont, /* complain_on_overflow */ | |
303 | mips_elf_gprel32_reloc, /* special_function */ | |
304 | "R_MIPS_GPREL32", /* name */ | |
b34976b6 | 305 | TRUE, /* partial_inplace */ |
8a397dad TS |
306 | 0xffffffff, /* src_mask */ |
307 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 308 | FALSE), /* pcrel_offset */ |
8a397dad TS |
309 | |
310 | /* The remaining relocs are defined on Irix 5, although they are | |
311 | not defined by the ABI. */ | |
312 | EMPTY_HOWTO (13), | |
313 | EMPTY_HOWTO (14), | |
314 | EMPTY_HOWTO (15), | |
315 | ||
316 | /* A 5 bit shift field. */ | |
317 | HOWTO (R_MIPS_SHIFT5, /* type */ | |
318 | 0, /* rightshift */ | |
319 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
320 | 5, /* bitsize */ | |
b34976b6 | 321 | FALSE, /* pc_relative */ |
8a397dad TS |
322 | 6, /* bitpos */ |
323 | complain_overflow_bitfield, /* complain_on_overflow */ | |
30ac9238 | 324 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 325 | "R_MIPS_SHIFT5", /* name */ |
b34976b6 | 326 | TRUE, /* partial_inplace */ |
8a397dad TS |
327 | 0x000007c0, /* src_mask */ |
328 | 0x000007c0, /* dst_mask */ | |
b34976b6 | 329 | FALSE), /* pcrel_offset */ |
8a397dad TS |
330 | |
331 | /* A 6 bit shift field. */ | |
332 | HOWTO (R_MIPS_SHIFT6, /* type */ | |
333 | 0, /* rightshift */ | |
334 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
335 | 6, /* bitsize */ | |
b34976b6 | 336 | FALSE, /* pc_relative */ |
8a397dad TS |
337 | 6, /* bitpos */ |
338 | complain_overflow_bitfield, /* complain_on_overflow */ | |
339 | mips_elf_shift6_reloc, /* special_function */ | |
340 | "R_MIPS_SHIFT6", /* name */ | |
b34976b6 | 341 | TRUE, /* partial_inplace */ |
8a397dad TS |
342 | 0x000007c4, /* src_mask */ |
343 | 0x000007c4, /* dst_mask */ | |
b34976b6 | 344 | FALSE), /* pcrel_offset */ |
8a397dad TS |
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 */ | |
b34976b6 | 351 | FALSE, /* pc_relative */ |
8a397dad TS |
352 | 0, /* bitpos */ |
353 | complain_overflow_dont, /* complain_on_overflow */ | |
30ac9238 | 354 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 355 | "R_MIPS_64", /* name */ |
b34976b6 | 356 | TRUE, /* partial_inplace */ |
8a397dad TS |
357 | MINUS_ONE, /* src_mask */ |
358 | MINUS_ONE, /* dst_mask */ | |
b34976b6 | 359 | FALSE), /* pcrel_offset */ |
8a397dad TS |
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 */ | |
b34976b6 | 366 | FALSE, /* pc_relative */ |
8a397dad TS |
367 | 0, /* bitpos */ |
368 | complain_overflow_signed, /* complain_on_overflow */ | |
30ac9238 | 369 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 370 | "R_MIPS_GOT_DISP", /* name */ |
b34976b6 | 371 | TRUE, /* partial_inplace */ |
8a397dad TS |
372 | 0x0000ffff, /* src_mask */ |
373 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 374 | FALSE), /* pcrel_offset */ |
8a397dad TS |
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 */ | |
b34976b6 | 381 | FALSE, /* pc_relative */ |
8a397dad TS |
382 | 0, /* bitpos */ |
383 | complain_overflow_signed, /* complain_on_overflow */ | |
30ac9238 | 384 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 385 | "R_MIPS_GOT_PAGE", /* name */ |
b34976b6 | 386 | TRUE, /* partial_inplace */ |
8a397dad TS |
387 | 0x0000ffff, /* src_mask */ |
388 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 389 | FALSE), /* pcrel_offset */ |
8a397dad TS |
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 */ | |
b34976b6 | 396 | FALSE, /* pc_relative */ |
8a397dad TS |
397 | 0, /* bitpos */ |
398 | complain_overflow_signed, /* complain_on_overflow */ | |
30ac9238 | 399 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 400 | "R_MIPS_GOT_OFST", /* name */ |
b34976b6 | 401 | TRUE, /* partial_inplace */ |
8a397dad TS |
402 | 0x0000ffff, /* src_mask */ |
403 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 404 | FALSE), /* pcrel_offset */ |
8a397dad TS |
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 */ | |
b34976b6 | 411 | FALSE, /* pc_relative */ |
8a397dad TS |
412 | 0, /* bitpos */ |
413 | complain_overflow_dont, /* complain_on_overflow */ | |
30ac9238 | 414 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 415 | "R_MIPS_GOT_HI16", /* name */ |
b34976b6 | 416 | TRUE, /* partial_inplace */ |
8a397dad TS |
417 | 0x0000ffff, /* src_mask */ |
418 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 419 | FALSE), /* pcrel_offset */ |
8a397dad TS |
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 */ | |
b34976b6 | 426 | FALSE, /* pc_relative */ |
8a397dad TS |
427 | 0, /* bitpos */ |
428 | complain_overflow_dont, /* complain_on_overflow */ | |
30ac9238 | 429 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 430 | "R_MIPS_GOT_LO16", /* name */ |
b34976b6 | 431 | TRUE, /* partial_inplace */ |
8a397dad TS |
432 | 0x0000ffff, /* src_mask */ |
433 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 434 | FALSE), /* pcrel_offset */ |
8a397dad TS |
435 | |
436 | /* 64 bit subtraction. */ | |
437 | HOWTO (R_MIPS_SUB, /* type */ | |
438 | 0, /* rightshift */ | |
439 | 4, /* size (0 = byte, 1 = short, 2 = long) */ | |
440 | 64, /* bitsize */ | |
b34976b6 | 441 | FALSE, /* pc_relative */ |
8a397dad TS |
442 | 0, /* bitpos */ |
443 | complain_overflow_dont, /* complain_on_overflow */ | |
30ac9238 | 444 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 445 | "R_MIPS_SUB", /* name */ |
b34976b6 | 446 | TRUE, /* partial_inplace */ |
8a397dad TS |
447 | MINUS_ONE, /* src_mask */ |
448 | MINUS_ONE, /* dst_mask */ | |
b34976b6 | 449 | FALSE), /* pcrel_offset */ |
8a397dad TS |
450 | |
451 | /* Insert the addend as an instruction. */ | |
452 | /* FIXME: Not handled correctly. */ | |
453 | HOWTO (R_MIPS_INSERT_A, /* type */ | |
454 | 0, /* rightshift */ | |
455 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
456 | 32, /* bitsize */ | |
b34976b6 | 457 | FALSE, /* pc_relative */ |
8a397dad TS |
458 | 0, /* bitpos */ |
459 | complain_overflow_dont, /* complain_on_overflow */ | |
30ac9238 | 460 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 461 | "R_MIPS_INSERT_A", /* name */ |
b34976b6 | 462 | TRUE, /* partial_inplace */ |
8a397dad TS |
463 | 0xffffffff, /* src_mask */ |
464 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 465 | FALSE), /* pcrel_offset */ |
8a397dad TS |
466 | |
467 | /* Insert the addend as an instruction, and change all relocations | |
468 | to refer to the old instruction at the address. */ | |
469 | /* FIXME: Not handled correctly. */ | |
470 | HOWTO (R_MIPS_INSERT_B, /* type */ | |
471 | 0, /* rightshift */ | |
472 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
473 | 32, /* bitsize */ | |
b34976b6 | 474 | FALSE, /* pc_relative */ |
8a397dad TS |
475 | 0, /* bitpos */ |
476 | complain_overflow_dont, /* complain_on_overflow */ | |
30ac9238 | 477 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 478 | "R_MIPS_INSERT_B", /* name */ |
b34976b6 | 479 | TRUE, /* partial_inplace */ |
8a397dad TS |
480 | 0xffffffff, /* src_mask */ |
481 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 482 | FALSE), /* pcrel_offset */ |
8a397dad TS |
483 | |
484 | /* Delete a 32 bit instruction. */ | |
485 | /* FIXME: Not handled correctly. */ | |
486 | HOWTO (R_MIPS_DELETE, /* type */ | |
487 | 0, /* rightshift */ | |
488 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
489 | 32, /* bitsize */ | |
b34976b6 | 490 | FALSE, /* pc_relative */ |
8a397dad TS |
491 | 0, /* bitpos */ |
492 | complain_overflow_dont, /* complain_on_overflow */ | |
30ac9238 | 493 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 494 | "R_MIPS_DELETE", /* name */ |
b34976b6 | 495 | TRUE, /* partial_inplace */ |
8a397dad TS |
496 | 0xffffffff, /* src_mask */ |
497 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 498 | FALSE), /* pcrel_offset */ |
8a397dad TS |
499 | |
500 | /* The MIPS ELF64 ABI Draft wants us to support these for REL relocations. | |
501 | We don't, because | |
502 | a) It means building the addend from a R_MIPS_HIGHEST/R_MIPS_HIGHER/ | |
503 | R_MIPS_HI16/R_MIPS_LO16 sequence with varying ordering, using | |
504 | fallable heuristics. | |
6422fbef | 505 | b) No other NewABI toolchain actually emits such relocations. */ |
8a397dad TS |
506 | EMPTY_HOWTO (R_MIPS_HIGHER), |
507 | EMPTY_HOWTO (R_MIPS_HIGHEST), | |
508 | ||
509 | /* High 16 bits of displacement in global offset table. */ | |
510 | HOWTO (R_MIPS_CALL_HI16, /* type */ | |
511 | 0, /* rightshift */ | |
512 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
513 | 16, /* bitsize */ | |
b34976b6 | 514 | FALSE, /* pc_relative */ |
8a397dad TS |
515 | 0, /* bitpos */ |
516 | complain_overflow_dont, /* complain_on_overflow */ | |
30ac9238 | 517 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 518 | "R_MIPS_CALL_HI16", /* name */ |
b34976b6 | 519 | TRUE, /* partial_inplace */ |
8a397dad TS |
520 | 0x0000ffff, /* src_mask */ |
521 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 522 | FALSE), /* pcrel_offset */ |
8a397dad TS |
523 | |
524 | /* Low 16 bits of displacement in global offset table. */ | |
525 | HOWTO (R_MIPS_CALL_LO16, /* type */ | |
526 | 0, /* rightshift */ | |
527 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
528 | 16, /* bitsize */ | |
b34976b6 | 529 | FALSE, /* pc_relative */ |
8a397dad TS |
530 | 0, /* bitpos */ |
531 | complain_overflow_dont, /* complain_on_overflow */ | |
30ac9238 | 532 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 533 | "R_MIPS_CALL_LO16", /* name */ |
b34976b6 | 534 | TRUE, /* partial_inplace */ |
8a397dad TS |
535 | 0x0000ffff, /* src_mask */ |
536 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 537 | FALSE), /* pcrel_offset */ |
8a397dad TS |
538 | |
539 | /* Section displacement. */ | |
540 | HOWTO (R_MIPS_SCN_DISP, /* type */ | |
541 | 0, /* rightshift */ | |
542 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
543 | 32, /* bitsize */ | |
b34976b6 | 544 | FALSE, /* pc_relative */ |
8a397dad TS |
545 | 0, /* bitpos */ |
546 | complain_overflow_dont, /* complain_on_overflow */ | |
30ac9238 | 547 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 548 | "R_MIPS_SCN_DISP", /* name */ |
b34976b6 | 549 | TRUE, /* partial_inplace */ |
8a397dad TS |
550 | 0xffffffff, /* src_mask */ |
551 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 552 | FALSE), /* pcrel_offset */ |
8a397dad TS |
553 | |
554 | HOWTO (R_MIPS_REL16, /* type */ | |
555 | 0, /* rightshift */ | |
556 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
557 | 16, /* bitsize */ | |
b34976b6 | 558 | FALSE, /* pc_relative */ |
8a397dad TS |
559 | 0, /* bitpos */ |
560 | complain_overflow_signed, /* complain_on_overflow */ | |
30ac9238 | 561 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 562 | "R_MIPS_REL16", /* name */ |
b34976b6 | 563 | TRUE, /* partial_inplace */ |
8a397dad TS |
564 | 0xffff, /* src_mask */ |
565 | 0xffff, /* dst_mask */ | |
b34976b6 | 566 | FALSE), /* pcrel_offset */ |
8a397dad TS |
567 | |
568 | /* These two are obsolete. */ | |
569 | EMPTY_HOWTO (R_MIPS_ADD_IMMEDIATE), | |
570 | EMPTY_HOWTO (R_MIPS_PJUMP), | |
571 | ||
572 | /* Similiar to R_MIPS_REL32, but used for relocations in a GOT section. | |
573 | It must be used for multigot GOT's (and only there). */ | |
574 | HOWTO (R_MIPS_RELGOT, /* type */ | |
575 | 0, /* rightshift */ | |
576 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
577 | 32, /* bitsize */ | |
b34976b6 | 578 | FALSE, /* pc_relative */ |
8a397dad TS |
579 | 0, /* bitpos */ |
580 | complain_overflow_dont, /* complain_on_overflow */ | |
30ac9238 | 581 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 582 | "R_MIPS_RELGOT", /* name */ |
b34976b6 | 583 | TRUE, /* partial_inplace */ |
8a397dad TS |
584 | 0xffffffff, /* src_mask */ |
585 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 586 | FALSE), /* pcrel_offset */ |
8a397dad TS |
587 | |
588 | /* Protected jump conversion. This is an optimization hint. No | |
589 | relocation is required for correctness. */ | |
590 | HOWTO (R_MIPS_JALR, /* type */ | |
591 | 0, /* rightshift */ | |
592 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
593 | 32, /* bitsize */ | |
b34976b6 | 594 | FALSE, /* pc_relative */ |
8a397dad TS |
595 | 0, /* bitpos */ |
596 | complain_overflow_dont, /* complain_on_overflow */ | |
30ac9238 | 597 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 598 | "R_MIPS_JALR", /* name */ |
b34976b6 | 599 | FALSE, /* partial_inplace */ |
8a397dad TS |
600 | 0x00000000, /* src_mask */ |
601 | 0x00000000, /* dst_mask */ | |
b34976b6 | 602 | FALSE), /* pcrel_offset */ |
0f20cc35 DJ |
603 | |
604 | /* TLS GD/LD dynamic relocations. */ | |
605 | HOWTO (R_MIPS_TLS_DTPMOD32, /* type */ | |
606 | 0, /* rightshift */ | |
607 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
608 | 32, /* bitsize */ | |
609 | FALSE, /* pc_relative */ | |
610 | 0, /* bitpos */ | |
611 | complain_overflow_dont, /* complain_on_overflow */ | |
612 | _bfd_mips_elf_generic_reloc, /* special_function */ | |
613 | "R_MIPS_TLS_DTPMOD32", /* name */ | |
614 | TRUE, /* partial_inplace */ | |
615 | 0xffffffff, /* src_mask */ | |
616 | 0xffffffff, /* dst_mask */ | |
617 | FALSE), /* pcrel_offset */ | |
618 | ||
619 | HOWTO (R_MIPS_TLS_DTPREL32, /* type */ | |
620 | 0, /* rightshift */ | |
621 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
622 | 32, /* bitsize */ | |
623 | FALSE, /* pc_relative */ | |
624 | 0, /* bitpos */ | |
625 | complain_overflow_dont, /* complain_on_overflow */ | |
626 | _bfd_mips_elf_generic_reloc, /* special_function */ | |
627 | "R_MIPS_TLS_DTPREL32", /* name */ | |
628 | TRUE, /* partial_inplace */ | |
629 | 0xffffffff, /* src_mask */ | |
630 | 0xffffffff, /* dst_mask */ | |
631 | FALSE), /* pcrel_offset */ | |
632 | ||
633 | EMPTY_HOWTO (R_MIPS_TLS_DTPMOD64), | |
634 | EMPTY_HOWTO (R_MIPS_TLS_DTPREL64), | |
635 | ||
636 | /* TLS general dynamic variable reference. */ | |
637 | HOWTO (R_MIPS_TLS_GD, /* type */ | |
638 | 0, /* rightshift */ | |
639 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
640 | 16, /* bitsize */ | |
641 | FALSE, /* pc_relative */ | |
642 | 0, /* bitpos */ | |
643 | complain_overflow_signed, /* complain_on_overflow */ | |
644 | _bfd_mips_elf_generic_reloc, /* special_function */ | |
645 | "R_MIPS_TLS_GD", /* name */ | |
646 | TRUE, /* partial_inplace */ | |
647 | 0x0000ffff, /* src_mask */ | |
648 | 0x0000ffff, /* dst_mask */ | |
649 | FALSE), /* pcrel_offset */ | |
650 | ||
651 | /* TLS local dynamic variable reference. */ | |
652 | HOWTO (R_MIPS_TLS_LDM, /* type */ | |
653 | 0, /* rightshift */ | |
654 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
655 | 16, /* bitsize */ | |
656 | FALSE, /* pc_relative */ | |
657 | 0, /* bitpos */ | |
658 | complain_overflow_signed, /* complain_on_overflow */ | |
659 | _bfd_mips_elf_generic_reloc, /* special_function */ | |
660 | "R_MIPS_TLS_LDM", /* name */ | |
661 | TRUE, /* partial_inplace */ | |
662 | 0x0000ffff, /* src_mask */ | |
663 | 0x0000ffff, /* dst_mask */ | |
664 | FALSE), /* pcrel_offset */ | |
665 | ||
666 | /* TLS local dynamic offset. */ | |
667 | HOWTO (R_MIPS_TLS_DTPREL_HI16, /* type */ | |
668 | 0, /* rightshift */ | |
669 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
670 | 16, /* bitsize */ | |
671 | FALSE, /* pc_relative */ | |
672 | 0, /* bitpos */ | |
673 | complain_overflow_signed, /* complain_on_overflow */ | |
674 | _bfd_mips_elf_generic_reloc, /* special_function */ | |
675 | "R_MIPS_TLS_DTPREL_HI16", /* name */ | |
676 | TRUE, /* partial_inplace */ | |
677 | 0x0000ffff, /* src_mask */ | |
678 | 0x0000ffff, /* dst_mask */ | |
679 | FALSE), /* pcrel_offset */ | |
680 | ||
681 | /* TLS local dynamic offset. */ | |
682 | HOWTO (R_MIPS_TLS_DTPREL_LO16, /* type */ | |
683 | 0, /* rightshift */ | |
684 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
685 | 16, /* bitsize */ | |
686 | FALSE, /* pc_relative */ | |
687 | 0, /* bitpos */ | |
688 | complain_overflow_signed, /* complain_on_overflow */ | |
689 | _bfd_mips_elf_generic_reloc, /* special_function */ | |
690 | "R_MIPS_TLS_DTPREL_LO16", /* name */ | |
691 | TRUE, /* partial_inplace */ | |
692 | 0x0000ffff, /* src_mask */ | |
693 | 0x0000ffff, /* dst_mask */ | |
694 | FALSE), /* pcrel_offset */ | |
695 | ||
696 | /* TLS thread pointer offset. */ | |
697 | HOWTO (R_MIPS_TLS_GOTTPREL, /* type */ | |
698 | 0, /* rightshift */ | |
699 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
700 | 16, /* bitsize */ | |
701 | FALSE, /* pc_relative */ | |
702 | 0, /* bitpos */ | |
703 | complain_overflow_signed, /* complain_on_overflow */ | |
704 | _bfd_mips_elf_generic_reloc, /* special_function */ | |
705 | "R_MIPS_TLS_GOTTPREL", /* name */ | |
706 | TRUE, /* partial_inplace */ | |
707 | 0x0000ffff, /* src_mask */ | |
708 | 0x0000ffff, /* dst_mask */ | |
709 | FALSE), /* pcrel_offset */ | |
710 | ||
711 | /* TLS IE dynamic relocations. */ | |
712 | HOWTO (R_MIPS_TLS_TPREL32, /* type */ | |
713 | 0, /* rightshift */ | |
714 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
715 | 32, /* bitsize */ | |
716 | FALSE, /* pc_relative */ | |
717 | 0, /* bitpos */ | |
718 | complain_overflow_dont, /* complain_on_overflow */ | |
719 | _bfd_mips_elf_generic_reloc, /* special_function */ | |
720 | "R_MIPS_TLS_TPREL32", /* name */ | |
721 | TRUE, /* partial_inplace */ | |
722 | 0xffffffff, /* src_mask */ | |
723 | 0xffffffff, /* dst_mask */ | |
724 | FALSE), /* pcrel_offset */ | |
725 | ||
726 | EMPTY_HOWTO (R_MIPS_TLS_TPREL64), | |
727 | ||
728 | /* TLS thread pointer offset. */ | |
729 | HOWTO (R_MIPS_TLS_TPREL_HI16, /* type */ | |
730 | 0, /* rightshift */ | |
731 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
732 | 16, /* bitsize */ | |
733 | FALSE, /* pc_relative */ | |
734 | 0, /* bitpos */ | |
735 | complain_overflow_signed, /* complain_on_overflow */ | |
736 | _bfd_mips_elf_generic_reloc, /* special_function */ | |
737 | "R_MIPS_TLS_TPREL_HI16", /* name */ | |
738 | TRUE, /* partial_inplace */ | |
739 | 0x0000ffff, /* src_mask */ | |
740 | 0x0000ffff, /* dst_mask */ | |
741 | FALSE), /* pcrel_offset */ | |
742 | ||
743 | /* TLS thread pointer offset. */ | |
744 | HOWTO (R_MIPS_TLS_TPREL_LO16, /* type */ | |
745 | 0, /* rightshift */ | |
746 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
747 | 16, /* bitsize */ | |
748 | FALSE, /* pc_relative */ | |
749 | 0, /* bitpos */ | |
750 | complain_overflow_signed, /* complain_on_overflow */ | |
751 | _bfd_mips_elf_generic_reloc, /* special_function */ | |
752 | "R_MIPS_TLS_TPREL_LO16", /* name */ | |
753 | TRUE, /* partial_inplace */ | |
754 | 0x0000ffff, /* src_mask */ | |
755 | 0x0000ffff, /* dst_mask */ | |
756 | FALSE), /* pcrel_offset */ | |
165b93e7 RS |
757 | |
758 | /* 32 bit relocation with no addend. */ | |
759 | HOWTO (R_MIPS_GLOB_DAT, /* type */ | |
760 | 0, /* rightshift */ | |
761 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
762 | 32, /* bitsize */ | |
763 | FALSE, /* pc_relative */ | |
764 | 0, /* bitpos */ | |
765 | complain_overflow_dont, /* complain_on_overflow */ | |
766 | _bfd_mips_elf_generic_reloc, /* special_function */ | |
767 | "R_MIPS_GLOB_DAT", /* name */ | |
768 | FALSE, /* partial_inplace */ | |
769 | 0x0, /* src_mask */ | |
770 | 0xffffffff, /* dst_mask */ | |
771 | FALSE), /* pcrel_offset */ | |
8a397dad TS |
772 | }; |
773 | ||
774 | /* The relocation table used for SHT_RELA sections. */ | |
775 | ||
776 | static reloc_howto_type elf_mips_howto_table_rela[] = | |
777 | { | |
778 | /* No relocation. */ | |
779 | HOWTO (R_MIPS_NONE, /* type */ | |
780 | 0, /* rightshift */ | |
781 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
782 | 0, /* bitsize */ | |
b34976b6 | 783 | FALSE, /* pc_relative */ |
8a397dad TS |
784 | 0, /* bitpos */ |
785 | complain_overflow_dont, /* complain_on_overflow */ | |
30ac9238 | 786 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 787 | "R_MIPS_NONE", /* name */ |
b34976b6 | 788 | FALSE, /* partial_inplace */ |
8a397dad TS |
789 | 0, /* src_mask */ |
790 | 0, /* dst_mask */ | |
b34976b6 | 791 | FALSE), /* pcrel_offset */ |
8a397dad TS |
792 | |
793 | /* 16 bit relocation. */ | |
794 | HOWTO (R_MIPS_16, /* type */ | |
795 | 0, /* rightshift */ | |
796 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
797 | 16, /* bitsize */ | |
b34976b6 | 798 | FALSE, /* pc_relative */ |
8a397dad TS |
799 | 0, /* bitpos */ |
800 | complain_overflow_signed, /* complain_on_overflow */ | |
30ac9238 | 801 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 802 | "R_MIPS_16", /* name */ |
b34976b6 | 803 | FALSE, /* partial_inplace */ |
8a397dad TS |
804 | 0, /* src_mask */ |
805 | 0x0000, /* dst_mask */ | |
b34976b6 | 806 | FALSE), /* pcrel_offset */ |
8a397dad TS |
807 | |
808 | /* 32 bit relocation. */ | |
809 | HOWTO (R_MIPS_32, /* type */ | |
810 | 0, /* rightshift */ | |
811 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
812 | 32, /* bitsize */ | |
b34976b6 | 813 | FALSE, /* pc_relative */ |
8a397dad TS |
814 | 0, /* bitpos */ |
815 | complain_overflow_dont, /* complain_on_overflow */ | |
30ac9238 | 816 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 817 | "R_MIPS_32", /* name */ |
b34976b6 | 818 | FALSE, /* partial_inplace */ |
8a397dad TS |
819 | 0, /* src_mask */ |
820 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 821 | FALSE), /* pcrel_offset */ |
8a397dad TS |
822 | |
823 | /* 32 bit symbol relative relocation. */ | |
824 | HOWTO (R_MIPS_REL32, /* type */ | |
825 | 0, /* rightshift */ | |
826 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
827 | 32, /* bitsize */ | |
b34976b6 | 828 | FALSE, /* pc_relative */ |
8a397dad TS |
829 | 0, /* bitpos */ |
830 | complain_overflow_dont, /* complain_on_overflow */ | |
30ac9238 | 831 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 832 | "R_MIPS_REL32", /* name */ |
b34976b6 | 833 | FALSE, /* partial_inplace */ |
8a397dad TS |
834 | 0, /* src_mask */ |
835 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 836 | FALSE), /* pcrel_offset */ |
8a397dad TS |
837 | |
838 | /* 26 bit jump address. */ | |
839 | HOWTO (R_MIPS_26, /* type */ | |
840 | 2, /* rightshift */ | |
841 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
842 | 26, /* bitsize */ | |
b34976b6 | 843 | FALSE, /* pc_relative */ |
8a397dad TS |
844 | 0, /* bitpos */ |
845 | complain_overflow_dont, /* complain_on_overflow */ | |
846 | /* This needs complex overflow | |
847 | detection, because the upper 36 | |
848 | bits must match the PC + 4. */ | |
30ac9238 | 849 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 850 | "R_MIPS_26", /* name */ |
b34976b6 | 851 | FALSE, /* partial_inplace */ |
8a397dad TS |
852 | 0, /* src_mask */ |
853 | 0x03ffffff, /* dst_mask */ | |
b34976b6 | 854 | FALSE), /* pcrel_offset */ |
8a397dad TS |
855 | |
856 | /* High 16 bits of symbol value. */ | |
857 | HOWTO (R_MIPS_HI16, /* type */ | |
858 | 0, /* rightshift */ | |
859 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
860 | 16, /* bitsize */ | |
b34976b6 | 861 | FALSE, /* pc_relative */ |
8a397dad TS |
862 | 0, /* bitpos */ |
863 | complain_overflow_dont, /* complain_on_overflow */ | |
30ac9238 | 864 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 865 | "R_MIPS_HI16", /* name */ |
b34976b6 | 866 | FALSE, /* partial_inplace */ |
8a397dad TS |
867 | 0, /* src_mask */ |
868 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 869 | FALSE), /* pcrel_offset */ |
8a397dad TS |
870 | |
871 | /* Low 16 bits of symbol value. */ | |
872 | HOWTO (R_MIPS_LO16, /* type */ | |
873 | 0, /* rightshift */ | |
874 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
875 | 16, /* bitsize */ | |
b34976b6 | 876 | FALSE, /* pc_relative */ |
8a397dad TS |
877 | 0, /* bitpos */ |
878 | complain_overflow_dont, /* complain_on_overflow */ | |
30ac9238 | 879 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 880 | "R_MIPS_LO16", /* name */ |
b34976b6 | 881 | FALSE, /* partial_inplace */ |
8a397dad TS |
882 | 0, /* src_mask */ |
883 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 884 | FALSE), /* pcrel_offset */ |
8a397dad TS |
885 | |
886 | /* GP relative reference. */ | |
887 | HOWTO (R_MIPS_GPREL16, /* type */ | |
888 | 0, /* rightshift */ | |
889 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
890 | 16, /* bitsize */ | |
b34976b6 | 891 | FALSE, /* pc_relative */ |
8a397dad TS |
892 | 0, /* bitpos */ |
893 | complain_overflow_signed, /* complain_on_overflow */ | |
894 | mips_elf_gprel16_reloc, /* special_function */ | |
895 | "R_MIPS_GPREL16", /* name */ | |
b34976b6 | 896 | FALSE, /* partial_inplace */ |
8a397dad TS |
897 | 0, /* src_mask */ |
898 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 899 | FALSE), /* pcrel_offset */ |
8a397dad TS |
900 | |
901 | /* Reference to literal section. */ | |
902 | HOWTO (R_MIPS_LITERAL, /* type */ | |
903 | 0, /* rightshift */ | |
904 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
905 | 16, /* bitsize */ | |
b34976b6 | 906 | FALSE, /* pc_relative */ |
8a397dad TS |
907 | 0, /* bitpos */ |
908 | complain_overflow_signed, /* complain_on_overflow */ | |
909 | mips_elf_literal_reloc, /* special_function */ | |
910 | "R_MIPS_LITERAL", /* name */ | |
b34976b6 | 911 | FALSE, /* partial_inplace */ |
8a397dad TS |
912 | 0, /* src_mask */ |
913 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 914 | FALSE), /* pcrel_offset */ |
8a397dad TS |
915 | |
916 | /* Reference to global offset table. */ | |
917 | HOWTO (R_MIPS_GOT16, /* type */ | |
918 | 0, /* rightshift */ | |
919 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
920 | 16, /* bitsize */ | |
b34976b6 | 921 | FALSE, /* pc_relative */ |
8a397dad TS |
922 | 0, /* bitpos */ |
923 | complain_overflow_signed, /* complain_on_overflow */ | |
30ac9238 | 924 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 925 | "R_MIPS_GOT16", /* name */ |
b34976b6 | 926 | FALSE, /* partial_inplace */ |
8a397dad TS |
927 | 0, /* src_mask */ |
928 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 929 | FALSE), /* pcrel_offset */ |
8a397dad | 930 | |
bad36eac DJ |
931 | /* 16 bit PC relative reference. Note that the ABI document has a typo |
932 | and claims R_MIPS_PC16 to be not rightshifted, rendering it useless. | |
933 | We do the right thing here. */ | |
8a397dad | 934 | HOWTO (R_MIPS_PC16, /* type */ |
bad36eac | 935 | 2, /* rightshift */ |
8a397dad TS |
936 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
937 | 16, /* bitsize */ | |
b34976b6 | 938 | TRUE, /* pc_relative */ |
8a397dad TS |
939 | 0, /* bitpos */ |
940 | complain_overflow_signed, /* complain_on_overflow */ | |
30ac9238 | 941 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 942 | "R_MIPS_PC16", /* name */ |
b34976b6 | 943 | FALSE, /* partial_inplace */ |
8a397dad TS |
944 | 0, /* src_mask */ |
945 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 946 | TRUE), /* pcrel_offset */ |
8a397dad TS |
947 | |
948 | /* 16 bit call through global offset table. */ | |
949 | HOWTO (R_MIPS_CALL16, /* type */ | |
950 | 0, /* rightshift */ | |
951 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
952 | 16, /* bitsize */ | |
b34976b6 | 953 | FALSE, /* pc_relative */ |
8a397dad TS |
954 | 0, /* bitpos */ |
955 | complain_overflow_signed, /* complain_on_overflow */ | |
30ac9238 | 956 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 957 | "R_MIPS_CALL16", /* name */ |
b34976b6 | 958 | FALSE, /* partial_inplace */ |
8a397dad TS |
959 | 0, /* src_mask */ |
960 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 961 | FALSE), /* pcrel_offset */ |
8a397dad TS |
962 | |
963 | /* 32 bit GP relative reference. */ | |
964 | HOWTO (R_MIPS_GPREL32, /* type */ | |
965 | 0, /* rightshift */ | |
966 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
967 | 32, /* bitsize */ | |
b34976b6 | 968 | FALSE, /* pc_relative */ |
8a397dad TS |
969 | 0, /* bitpos */ |
970 | complain_overflow_dont, /* complain_on_overflow */ | |
971 | mips_elf_gprel32_reloc, /* special_function */ | |
972 | "R_MIPS_GPREL32", /* name */ | |
b34976b6 | 973 | FALSE, /* partial_inplace */ |
8a397dad TS |
974 | 0, /* src_mask */ |
975 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 976 | FALSE), /* pcrel_offset */ |
8a397dad TS |
977 | |
978 | EMPTY_HOWTO (13), | |
979 | EMPTY_HOWTO (14), | |
980 | EMPTY_HOWTO (15), | |
981 | ||
982 | /* A 5 bit shift field. */ | |
983 | HOWTO (R_MIPS_SHIFT5, /* type */ | |
984 | 0, /* rightshift */ | |
985 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
986 | 5, /* bitsize */ | |
b34976b6 | 987 | FALSE, /* pc_relative */ |
8a397dad TS |
988 | 6, /* bitpos */ |
989 | complain_overflow_bitfield, /* complain_on_overflow */ | |
30ac9238 | 990 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 991 | "R_MIPS_SHIFT5", /* name */ |
b34976b6 | 992 | FALSE, /* partial_inplace */ |
8a397dad TS |
993 | 0, /* src_mask */ |
994 | 0x000007c0, /* dst_mask */ | |
b34976b6 | 995 | FALSE), /* pcrel_offset */ |
8a397dad TS |
996 | |
997 | /* A 6 bit shift field. */ | |
998 | HOWTO (R_MIPS_SHIFT6, /* type */ | |
999 | 0, /* rightshift */ | |
1000 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1001 | 6, /* bitsize */ | |
b34976b6 | 1002 | FALSE, /* pc_relative */ |
8a397dad TS |
1003 | 6, /* bitpos */ |
1004 | complain_overflow_bitfield, /* complain_on_overflow */ | |
1005 | mips_elf_shift6_reloc, /* special_function */ | |
1006 | "R_MIPS_SHIFT6", /* name */ | |
b34976b6 | 1007 | FALSE, /* partial_inplace */ |
8a397dad TS |
1008 | 0, /* src_mask */ |
1009 | 0x000007c4, /* dst_mask */ | |
b34976b6 | 1010 | FALSE), /* pcrel_offset */ |
8a397dad TS |
1011 | |
1012 | /* 64 bit relocation. */ | |
1013 | HOWTO (R_MIPS_64, /* type */ | |
1014 | 0, /* rightshift */ | |
1015 | 4, /* size (0 = byte, 1 = short, 2 = long) */ | |
1016 | 64, /* bitsize */ | |
b34976b6 | 1017 | FALSE, /* pc_relative */ |
8a397dad TS |
1018 | 0, /* bitpos */ |
1019 | complain_overflow_dont, /* complain_on_overflow */ | |
30ac9238 | 1020 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 1021 | "R_MIPS_64", /* name */ |
b34976b6 | 1022 | FALSE, /* partial_inplace */ |
8a397dad TS |
1023 | 0, /* src_mask */ |
1024 | MINUS_ONE, /* dst_mask */ | |
b34976b6 | 1025 | FALSE), /* pcrel_offset */ |
8a397dad TS |
1026 | |
1027 | /* Displacement in the global offset table. */ | |
1028 | HOWTO (R_MIPS_GOT_DISP, /* type */ | |
1029 | 0, /* rightshift */ | |
1030 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1031 | 16, /* bitsize */ | |
b34976b6 | 1032 | FALSE, /* pc_relative */ |
8a397dad TS |
1033 | 0, /* bitpos */ |
1034 | complain_overflow_signed, /* complain_on_overflow */ | |
30ac9238 | 1035 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 1036 | "R_MIPS_GOT_DISP", /* name */ |
b34976b6 | 1037 | FALSE, /* partial_inplace */ |
8a397dad TS |
1038 | 0, /* src_mask */ |
1039 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 1040 | FALSE), /* pcrel_offset */ |
8a397dad TS |
1041 | |
1042 | /* Displacement to page pointer in the global offset table. */ | |
1043 | HOWTO (R_MIPS_GOT_PAGE, /* type */ | |
1044 | 0, /* rightshift */ | |
1045 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1046 | 16, /* bitsize */ | |
b34976b6 | 1047 | FALSE, /* pc_relative */ |
8a397dad TS |
1048 | 0, /* bitpos */ |
1049 | complain_overflow_signed, /* complain_on_overflow */ | |
30ac9238 | 1050 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 1051 | "R_MIPS_GOT_PAGE", /* name */ |
b34976b6 | 1052 | FALSE, /* partial_inplace */ |
8a397dad TS |
1053 | 0, /* src_mask */ |
1054 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 1055 | FALSE), /* pcrel_offset */ |
8a397dad TS |
1056 | |
1057 | /* Offset from page pointer in the global offset table. */ | |
1058 | HOWTO (R_MIPS_GOT_OFST, /* type */ | |
1059 | 0, /* rightshift */ | |
1060 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1061 | 16, /* bitsize */ | |
b34976b6 | 1062 | FALSE, /* pc_relative */ |
8a397dad TS |
1063 | 0, /* bitpos */ |
1064 | complain_overflow_signed, /* complain_on_overflow */ | |
30ac9238 | 1065 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 1066 | "R_MIPS_GOT_OFST", /* name */ |
b34976b6 | 1067 | FALSE, /* partial_inplace */ |
8a397dad TS |
1068 | 0, /* src_mask */ |
1069 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 1070 | FALSE), /* pcrel_offset */ |
8a397dad TS |
1071 | |
1072 | /* High 16 bits of displacement in global offset table. */ | |
1073 | HOWTO (R_MIPS_GOT_HI16, /* type */ | |
1074 | 0, /* rightshift */ | |
1075 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1076 | 16, /* bitsize */ | |
b34976b6 | 1077 | FALSE, /* pc_relative */ |
8a397dad TS |
1078 | 0, /* bitpos */ |
1079 | complain_overflow_dont, /* complain_on_overflow */ | |
30ac9238 | 1080 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 1081 | "R_MIPS_GOT_HI16", /* name */ |
b34976b6 | 1082 | FALSE, /* partial_inplace */ |
8a397dad TS |
1083 | 0, /* src_mask */ |
1084 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 1085 | FALSE), /* pcrel_offset */ |
8a397dad TS |
1086 | |
1087 | /* Low 16 bits of displacement in global offset table. */ | |
1088 | HOWTO (R_MIPS_GOT_LO16, /* type */ | |
1089 | 0, /* rightshift */ | |
1090 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1091 | 16, /* bitsize */ | |
b34976b6 | 1092 | FALSE, /* pc_relative */ |
8a397dad TS |
1093 | 0, /* bitpos */ |
1094 | complain_overflow_dont, /* complain_on_overflow */ | |
30ac9238 | 1095 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 1096 | "R_MIPS_GOT_LO16", /* name */ |
b34976b6 | 1097 | FALSE, /* partial_inplace */ |
8a397dad TS |
1098 | 0, /* src_mask */ |
1099 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 1100 | FALSE), /* pcrel_offset */ |
8a397dad | 1101 | |
4cc11e76 | 1102 | /* 64 bit subtraction. */ |
8a397dad TS |
1103 | HOWTO (R_MIPS_SUB, /* type */ |
1104 | 0, /* rightshift */ | |
1105 | 4, /* size (0 = byte, 1 = short, 2 = long) */ | |
1106 | 64, /* bitsize */ | |
b34976b6 | 1107 | FALSE, /* pc_relative */ |
8a397dad TS |
1108 | 0, /* bitpos */ |
1109 | complain_overflow_dont, /* complain_on_overflow */ | |
30ac9238 | 1110 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 1111 | "R_MIPS_SUB", /* name */ |
b34976b6 | 1112 | FALSE, /* partial_inplace */ |
8a397dad TS |
1113 | 0, /* src_mask */ |
1114 | MINUS_ONE, /* dst_mask */ | |
b34976b6 | 1115 | FALSE), /* pcrel_offset */ |
8a397dad TS |
1116 | |
1117 | /* Insert the addend as an instruction. */ | |
1118 | /* FIXME: Not handled correctly. */ | |
1119 | HOWTO (R_MIPS_INSERT_A, /* type */ | |
1120 | 0, /* rightshift */ | |
1121 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1122 | 32, /* bitsize */ | |
b34976b6 | 1123 | FALSE, /* pc_relative */ |
8a397dad TS |
1124 | 0, /* bitpos */ |
1125 | complain_overflow_dont, /* complain_on_overflow */ | |
30ac9238 | 1126 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 1127 | "R_MIPS_INSERT_A", /* name */ |
b34976b6 | 1128 | FALSE, /* partial_inplace */ |
8a397dad TS |
1129 | 0, /* src_mask */ |
1130 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 1131 | FALSE), /* pcrel_offset */ |
8a397dad TS |
1132 | |
1133 | /* Insert the addend as an instruction, and change all relocations | |
1134 | to refer to the old instruction at the address. */ | |
1135 | /* FIXME: Not handled correctly. */ | |
1136 | HOWTO (R_MIPS_INSERT_B, /* type */ | |
1137 | 0, /* rightshift */ | |
1138 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1139 | 32, /* bitsize */ | |
b34976b6 | 1140 | FALSE, /* pc_relative */ |
8a397dad TS |
1141 | 0, /* bitpos */ |
1142 | complain_overflow_dont, /* complain_on_overflow */ | |
30ac9238 | 1143 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 1144 | "R_MIPS_INSERT_B", /* name */ |
b34976b6 | 1145 | FALSE, /* partial_inplace */ |
8a397dad TS |
1146 | 0, /* src_mask */ |
1147 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 1148 | FALSE), /* pcrel_offset */ |
8a397dad TS |
1149 | |
1150 | /* Delete a 32 bit instruction. */ | |
1151 | /* FIXME: Not handled correctly. */ | |
1152 | HOWTO (R_MIPS_DELETE, /* type */ | |
1153 | 0, /* rightshift */ | |
1154 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1155 | 32, /* bitsize */ | |
b34976b6 | 1156 | FALSE, /* pc_relative */ |
8a397dad TS |
1157 | 0, /* bitpos */ |
1158 | complain_overflow_dont, /* complain_on_overflow */ | |
30ac9238 | 1159 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 1160 | "R_MIPS_DELETE", /* name */ |
b34976b6 | 1161 | FALSE, /* partial_inplace */ |
8a397dad TS |
1162 | 0, /* src_mask */ |
1163 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 1164 | FALSE), /* pcrel_offset */ |
8a397dad TS |
1165 | |
1166 | /* Get the higher value of a 64 bit addend. */ | |
1167 | HOWTO (R_MIPS_HIGHER, /* type */ | |
1168 | 0, /* rightshift */ | |
1169 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1170 | 16, /* bitsize */ | |
b34976b6 | 1171 | FALSE, /* pc_relative */ |
8a397dad TS |
1172 | 0, /* bitpos */ |
1173 | complain_overflow_dont, /* complain_on_overflow */ | |
30ac9238 | 1174 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 1175 | "R_MIPS_HIGHER", /* name */ |
b34976b6 | 1176 | FALSE, /* partial_inplace */ |
8a397dad TS |
1177 | 0, /* src_mask */ |
1178 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 1179 | FALSE), /* pcrel_offset */ |
8a397dad TS |
1180 | |
1181 | /* Get the highest value of a 64 bit addend. */ | |
1182 | HOWTO (R_MIPS_HIGHEST, /* type */ | |
1183 | 0, /* rightshift */ | |
1184 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1185 | 16, /* bitsize */ | |
b34976b6 | 1186 | FALSE, /* pc_relative */ |
8a397dad TS |
1187 | 0, /* bitpos */ |
1188 | complain_overflow_dont, /* complain_on_overflow */ | |
30ac9238 | 1189 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 1190 | "R_MIPS_HIGHEST", /* name */ |
b34976b6 | 1191 | FALSE, /* partial_inplace */ |
8a397dad TS |
1192 | 0, /* src_mask */ |
1193 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 1194 | FALSE), /* pcrel_offset */ |
8a397dad TS |
1195 | |
1196 | /* High 16 bits of displacement in global offset table. */ | |
1197 | HOWTO (R_MIPS_CALL_HI16, /* type */ | |
1198 | 0, /* rightshift */ | |
1199 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1200 | 16, /* bitsize */ | |
b34976b6 | 1201 | FALSE, /* pc_relative */ |
8a397dad TS |
1202 | 0, /* bitpos */ |
1203 | complain_overflow_dont, /* complain_on_overflow */ | |
30ac9238 | 1204 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 1205 | "R_MIPS_CALL_HI16", /* name */ |
b34976b6 | 1206 | FALSE, /* partial_inplace */ |
8a397dad TS |
1207 | 0, /* src_mask */ |
1208 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 1209 | FALSE), /* pcrel_offset */ |
8a397dad TS |
1210 | |
1211 | /* Low 16 bits of displacement in global offset table. */ | |
1212 | HOWTO (R_MIPS_CALL_LO16, /* type */ | |
1213 | 0, /* rightshift */ | |
1214 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1215 | 16, /* bitsize */ | |
b34976b6 | 1216 | FALSE, /* pc_relative */ |
8a397dad TS |
1217 | 0, /* bitpos */ |
1218 | complain_overflow_dont, /* complain_on_overflow */ | |
30ac9238 | 1219 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 1220 | "R_MIPS_CALL_LO16", /* name */ |
b34976b6 | 1221 | FALSE, /* partial_inplace */ |
8a397dad TS |
1222 | 0, /* src_mask */ |
1223 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 1224 | FALSE), /* pcrel_offset */ |
8a397dad TS |
1225 | |
1226 | /* Section displacement, used by an associated event location section. */ | |
1227 | HOWTO (R_MIPS_SCN_DISP, /* type */ | |
1228 | 0, /* rightshift */ | |
1229 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1230 | 32, /* bitsize */ | |
b34976b6 | 1231 | FALSE, /* pc_relative */ |
8a397dad TS |
1232 | 0, /* bitpos */ |
1233 | complain_overflow_dont, /* complain_on_overflow */ | |
30ac9238 | 1234 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 1235 | "R_MIPS_SCN_DISP", /* name */ |
b34976b6 | 1236 | FALSE, /* partial_inplace */ |
8a397dad TS |
1237 | 0, /* src_mask */ |
1238 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 1239 | FALSE), /* pcrel_offset */ |
8a397dad TS |
1240 | |
1241 | /* 16 bit relocation. */ | |
1242 | HOWTO (R_MIPS_REL16, /* type */ | |
1243 | 0, /* rightshift */ | |
1244 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
1245 | 16, /* bitsize */ | |
b34976b6 | 1246 | FALSE, /* pc_relative */ |
8a397dad TS |
1247 | 0, /* bitpos */ |
1248 | complain_overflow_signed, /* complain_on_overflow */ | |
30ac9238 | 1249 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 1250 | "R_MIPS_REL16", /* name */ |
b34976b6 | 1251 | FALSE, /* partial_inplace */ |
8a397dad TS |
1252 | 0, /* src_mask */ |
1253 | 0xffff, /* dst_mask */ | |
b34976b6 | 1254 | FALSE), /* pcrel_offset */ |
8a397dad TS |
1255 | |
1256 | /* These two are obsolete. */ | |
1257 | EMPTY_HOWTO (R_MIPS_ADD_IMMEDIATE), | |
1258 | EMPTY_HOWTO (R_MIPS_PJUMP), | |
1259 | ||
1260 | /* Similiar to R_MIPS_REL32, but used for relocations in a GOT section. | |
1261 | It must be used for multigot GOT's (and only there). */ | |
1262 | HOWTO (R_MIPS_RELGOT, /* type */ | |
1263 | 0, /* rightshift */ | |
1264 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1265 | 32, /* bitsize */ | |
b34976b6 | 1266 | FALSE, /* pc_relative */ |
8a397dad TS |
1267 | 0, /* bitpos */ |
1268 | complain_overflow_dont, /* complain_on_overflow */ | |
30ac9238 | 1269 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 1270 | "R_MIPS_RELGOT", /* name */ |
b34976b6 | 1271 | FALSE, /* partial_inplace */ |
8a397dad TS |
1272 | 0, /* src_mask */ |
1273 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 1274 | FALSE), /* pcrel_offset */ |
8a397dad TS |
1275 | |
1276 | /* Protected jump conversion. This is an optimization hint. No | |
1277 | relocation is required for correctness. */ | |
1278 | HOWTO (R_MIPS_JALR, /* type */ | |
1279 | 0, /* rightshift */ | |
1280 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1281 | 32, /* bitsize */ | |
b34976b6 | 1282 | FALSE, /* pc_relative */ |
8a397dad TS |
1283 | 0, /* bitpos */ |
1284 | complain_overflow_dont, /* complain_on_overflow */ | |
30ac9238 | 1285 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 1286 | "R_MIPS_JALR", /* name */ |
b34976b6 | 1287 | FALSE, /* partial_inplace */ |
8a397dad | 1288 | 0, /* src_mask */ |
74f79d8d | 1289 | 0, /* dst_mask */ |
b34976b6 | 1290 | FALSE), /* pcrel_offset */ |
0f20cc35 DJ |
1291 | |
1292 | /* TLS GD/LD dynamic relocations. */ | |
1293 | HOWTO (R_MIPS_TLS_DTPMOD32, /* type */ | |
1294 | 0, /* rightshift */ | |
1295 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1296 | 32, /* bitsize */ | |
1297 | FALSE, /* pc_relative */ | |
1298 | 0, /* bitpos */ | |
1299 | complain_overflow_dont, /* complain_on_overflow */ | |
1300 | _bfd_mips_elf_generic_reloc, /* special_function */ | |
1301 | "R_MIPS_TLS_DTPMOD32", /* name */ | |
1302 | TRUE, /* partial_inplace */ | |
1303 | 0xffffffff, /* src_mask */ | |
1304 | 0xffffffff, /* dst_mask */ | |
1305 | FALSE), /* pcrel_offset */ | |
1306 | ||
1307 | HOWTO (R_MIPS_TLS_DTPREL32, /* type */ | |
1308 | 0, /* rightshift */ | |
1309 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1310 | 32, /* bitsize */ | |
1311 | FALSE, /* pc_relative */ | |
1312 | 0, /* bitpos */ | |
1313 | complain_overflow_dont, /* complain_on_overflow */ | |
1314 | _bfd_mips_elf_generic_reloc, /* special_function */ | |
1315 | "R_MIPS_TLS_DTPREL32", /* name */ | |
1316 | TRUE, /* partial_inplace */ | |
1317 | 0xffffffff, /* src_mask */ | |
1318 | 0xffffffff, /* dst_mask */ | |
1319 | FALSE), /* pcrel_offset */ | |
1320 | ||
1321 | EMPTY_HOWTO (R_MIPS_TLS_DTPMOD64), | |
1322 | EMPTY_HOWTO (R_MIPS_TLS_DTPREL64), | |
1323 | ||
1324 | /* TLS general dynamic variable reference. */ | |
1325 | HOWTO (R_MIPS_TLS_GD, /* type */ | |
1326 | 0, /* rightshift */ | |
1327 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1328 | 16, /* bitsize */ | |
1329 | FALSE, /* pc_relative */ | |
1330 | 0, /* bitpos */ | |
1331 | complain_overflow_signed, /* complain_on_overflow */ | |
1332 | _bfd_mips_elf_generic_reloc, /* special_function */ | |
1333 | "R_MIPS_TLS_GD", /* name */ | |
1334 | TRUE, /* partial_inplace */ | |
1335 | 0x0000ffff, /* src_mask */ | |
1336 | 0x0000ffff, /* dst_mask */ | |
1337 | FALSE), /* pcrel_offset */ | |
1338 | ||
1339 | /* TLS local dynamic variable reference. */ | |
1340 | HOWTO (R_MIPS_TLS_LDM, /* type */ | |
1341 | 0, /* rightshift */ | |
1342 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1343 | 16, /* bitsize */ | |
1344 | FALSE, /* pc_relative */ | |
1345 | 0, /* bitpos */ | |
1346 | complain_overflow_signed, /* complain_on_overflow */ | |
1347 | _bfd_mips_elf_generic_reloc, /* special_function */ | |
1348 | "R_MIPS_TLS_LDM", /* name */ | |
1349 | TRUE, /* partial_inplace */ | |
1350 | 0x0000ffff, /* src_mask */ | |
1351 | 0x0000ffff, /* dst_mask */ | |
1352 | FALSE), /* pcrel_offset */ | |
1353 | ||
1354 | /* TLS local dynamic offset. */ | |
1355 | HOWTO (R_MIPS_TLS_DTPREL_HI16, /* type */ | |
1356 | 0, /* rightshift */ | |
1357 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1358 | 16, /* bitsize */ | |
1359 | FALSE, /* pc_relative */ | |
1360 | 0, /* bitpos */ | |
1361 | complain_overflow_signed, /* complain_on_overflow */ | |
1362 | _bfd_mips_elf_generic_reloc, /* special_function */ | |
1363 | "R_MIPS_TLS_DTPREL_HI16", /* name */ | |
1364 | TRUE, /* partial_inplace */ | |
1365 | 0x0000ffff, /* src_mask */ | |
1366 | 0x0000ffff, /* dst_mask */ | |
1367 | FALSE), /* pcrel_offset */ | |
1368 | ||
1369 | /* TLS local dynamic offset. */ | |
1370 | HOWTO (R_MIPS_TLS_DTPREL_LO16, /* type */ | |
1371 | 0, /* rightshift */ | |
1372 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1373 | 16, /* bitsize */ | |
1374 | FALSE, /* pc_relative */ | |
1375 | 0, /* bitpos */ | |
1376 | complain_overflow_signed, /* complain_on_overflow */ | |
1377 | _bfd_mips_elf_generic_reloc, /* special_function */ | |
1378 | "R_MIPS_TLS_DTPREL_LO16", /* name */ | |
1379 | TRUE, /* partial_inplace */ | |
1380 | 0x0000ffff, /* src_mask */ | |
1381 | 0x0000ffff, /* dst_mask */ | |
1382 | FALSE), /* pcrel_offset */ | |
1383 | ||
1384 | /* TLS thread pointer offset. */ | |
1385 | HOWTO (R_MIPS_TLS_GOTTPREL, /* type */ | |
1386 | 0, /* rightshift */ | |
1387 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1388 | 16, /* bitsize */ | |
1389 | FALSE, /* pc_relative */ | |
1390 | 0, /* bitpos */ | |
1391 | complain_overflow_signed, /* complain_on_overflow */ | |
1392 | _bfd_mips_elf_generic_reloc, /* special_function */ | |
1393 | "R_MIPS_TLS_GOTTPREL", /* name */ | |
1394 | TRUE, /* partial_inplace */ | |
1395 | 0x0000ffff, /* src_mask */ | |
1396 | 0x0000ffff, /* dst_mask */ | |
1397 | FALSE), /* pcrel_offset */ | |
1398 | ||
1399 | /* TLS IE dynamic relocations. */ | |
1400 | HOWTO (R_MIPS_TLS_TPREL32, /* type */ | |
1401 | 0, /* rightshift */ | |
1402 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1403 | 32, /* bitsize */ | |
1404 | FALSE, /* pc_relative */ | |
1405 | 0, /* bitpos */ | |
1406 | complain_overflow_dont, /* complain_on_overflow */ | |
1407 | _bfd_mips_elf_generic_reloc, /* special_function */ | |
1408 | "R_MIPS_TLS_TPREL32", /* name */ | |
1409 | TRUE, /* partial_inplace */ | |
1410 | 0xffffffff, /* src_mask */ | |
1411 | 0xffffffff, /* dst_mask */ | |
1412 | FALSE), /* pcrel_offset */ | |
1413 | ||
1414 | EMPTY_HOWTO (R_MIPS_TLS_TPREL64), | |
1415 | ||
1416 | /* TLS thread pointer offset. */ | |
1417 | HOWTO (R_MIPS_TLS_TPREL_HI16, /* type */ | |
1418 | 0, /* rightshift */ | |
1419 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1420 | 16, /* bitsize */ | |
1421 | FALSE, /* pc_relative */ | |
1422 | 0, /* bitpos */ | |
1423 | complain_overflow_signed, /* complain_on_overflow */ | |
1424 | _bfd_mips_elf_generic_reloc, /* special_function */ | |
1425 | "R_MIPS_TLS_TPREL_HI16", /* name */ | |
1426 | TRUE, /* partial_inplace */ | |
1427 | 0x0000ffff, /* src_mask */ | |
1428 | 0x0000ffff, /* dst_mask */ | |
1429 | FALSE), /* pcrel_offset */ | |
1430 | ||
1431 | /* TLS thread pointer offset. */ | |
1432 | HOWTO (R_MIPS_TLS_TPREL_LO16, /* type */ | |
1433 | 0, /* rightshift */ | |
1434 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1435 | 16, /* bitsize */ | |
1436 | FALSE, /* pc_relative */ | |
1437 | 0, /* bitpos */ | |
1438 | complain_overflow_signed, /* complain_on_overflow */ | |
1439 | _bfd_mips_elf_generic_reloc, /* special_function */ | |
1440 | "R_MIPS_TLS_TPREL_LO16", /* name */ | |
1441 | TRUE, /* partial_inplace */ | |
1442 | 0x0000ffff, /* src_mask */ | |
1443 | 0x0000ffff, /* dst_mask */ | |
1444 | FALSE), /* pcrel_offset */ | |
165b93e7 RS |
1445 | |
1446 | /* 32 bit relocation with no addend. */ | |
1447 | HOWTO (R_MIPS_GLOB_DAT, /* type */ | |
1448 | 0, /* rightshift */ | |
1449 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1450 | 32, /* bitsize */ | |
1451 | FALSE, /* pc_relative */ | |
1452 | 0, /* bitpos */ | |
1453 | complain_overflow_dont, /* complain_on_overflow */ | |
1454 | _bfd_mips_elf_generic_reloc, /* special_function */ | |
1455 | "R_MIPS_GLOB_DAT", /* name */ | |
1456 | FALSE, /* partial_inplace */ | |
1457 | 0x0, /* src_mask */ | |
1458 | 0xffffffff, /* dst_mask */ | |
1459 | FALSE), /* pcrel_offset */ | |
8a397dad TS |
1460 | }; |
1461 | ||
d6f16593 MR |
1462 | static reloc_howto_type elf_mips16_howto_table_rel[] = |
1463 | { | |
1464 | /* The reloc used for the mips16 jump instruction. */ | |
8a397dad TS |
1465 | HOWTO (R_MIPS16_26, /* type */ |
1466 | 2, /* rightshift */ | |
1467 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1468 | 26, /* bitsize */ | |
b34976b6 | 1469 | FALSE, /* pc_relative */ |
8a397dad TS |
1470 | 0, /* bitpos */ |
1471 | complain_overflow_dont, /* complain_on_overflow */ | |
1472 | /* This needs complex overflow | |
1473 | detection, because the upper four | |
1474 | bits must match the PC. */ | |
35d3d567 | 1475 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 1476 | "R_MIPS16_26", /* name */ |
b34976b6 | 1477 | TRUE, /* partial_inplace */ |
8a397dad TS |
1478 | 0x3ffffff, /* src_mask */ |
1479 | 0x3ffffff, /* dst_mask */ | |
d6f16593 | 1480 | FALSE), /* pcrel_offset */ |
8a397dad | 1481 | |
d6f16593 | 1482 | /* The reloc used for the mips16 gprel instruction. */ |
8a397dad TS |
1483 | HOWTO (R_MIPS16_GPREL, /* type */ |
1484 | 0, /* rightshift */ | |
1485 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1486 | 16, /* bitsize */ | |
b34976b6 | 1487 | FALSE, /* pc_relative */ |
8a397dad TS |
1488 | 0, /* bitpos */ |
1489 | complain_overflow_signed, /* complain_on_overflow */ | |
1490 | mips16_gprel_reloc, /* special_function */ | |
1491 | "R_MIPS16_GPREL", /* name */ | |
b34976b6 | 1492 | TRUE, /* partial_inplace */ |
d6f16593 MR |
1493 | 0x0000ffff, /* src_mask */ |
1494 | 0x0000ffff, /* dst_mask */ | |
1495 | FALSE), /* pcrel_offset */ | |
1496 | ||
1497 | /* A placeholder for MIPS16 reference to global offset table. */ | |
1498 | EMPTY_HOWTO (R_MIPS16_GOT16), | |
1499 | ||
1500 | /* A placeholder for MIPS16 16 bit call through global offset table. */ | |
1501 | EMPTY_HOWTO (R_MIPS16_CALL16), | |
1502 | ||
1503 | /* MIPS16 high 16 bits of symbol value. */ | |
1504 | HOWTO (R_MIPS16_HI16, /* type */ | |
1505 | 16, /* rightshift */ | |
1506 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1507 | 16, /* bitsize */ | |
1508 | FALSE, /* pc_relative */ | |
1509 | 0, /* bitpos */ | |
1510 | complain_overflow_dont, /* complain_on_overflow */ | |
1511 | _bfd_mips_elf_hi16_reloc, /* special_function */ | |
1512 | "R_MIPS16_HI16", /* name */ | |
1513 | TRUE, /* partial_inplace */ | |
1514 | 0x0000ffff, /* src_mask */ | |
1515 | 0x0000ffff, /* dst_mask */ | |
1516 | FALSE), /* pcrel_offset */ | |
1517 | ||
1518 | /* MIPS16 low 16 bits of symbol value. */ | |
1519 | HOWTO (R_MIPS16_LO16, /* type */ | |
1520 | 0, /* rightshift */ | |
1521 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1522 | 16, /* bitsize */ | |
1523 | FALSE, /* pc_relative */ | |
1524 | 0, /* bitpos */ | |
1525 | complain_overflow_dont, /* complain_on_overflow */ | |
1526 | _bfd_mips_elf_lo16_reloc, /* special_function */ | |
1527 | "R_MIPS16_LO16", /* name */ | |
1528 | TRUE, /* partial_inplace */ | |
1529 | 0x0000ffff, /* src_mask */ | |
1530 | 0x0000ffff, /* dst_mask */ | |
1531 | FALSE), /* pcrel_offset */ | |
1532 | }; | |
1533 | ||
1534 | static reloc_howto_type elf_mips16_howto_table_rela[] = | |
1535 | { | |
1536 | /* The reloc used for the mips16 jump instruction. */ | |
1537 | HOWTO (R_MIPS16_26, /* type */ | |
1538 | 2, /* rightshift */ | |
1539 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1540 | 26, /* bitsize */ | |
1541 | FALSE, /* pc_relative */ | |
1542 | 0, /* bitpos */ | |
1543 | complain_overflow_dont, /* complain_on_overflow */ | |
1544 | /* This needs complex overflow | |
1545 | detection, because the upper four | |
1546 | bits must match the PC. */ | |
35d3d567 | 1547 | _bfd_mips_elf_generic_reloc, /* special_function */ |
d6f16593 MR |
1548 | "R_MIPS16_26", /* name */ |
1549 | FALSE, /* partial_inplace */ | |
1550 | 0x3ffffff, /* src_mask */ | |
1551 | 0x3ffffff, /* dst_mask */ | |
1552 | FALSE), /* pcrel_offset */ | |
1553 | ||
1554 | /* The reloc used for the mips16 gprel instruction. */ | |
1555 | HOWTO (R_MIPS16_GPREL, /* type */ | |
1556 | 0, /* rightshift */ | |
1557 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1558 | 16, /* bitsize */ | |
1559 | FALSE, /* pc_relative */ | |
1560 | 0, /* bitpos */ | |
1561 | complain_overflow_signed, /* complain_on_overflow */ | |
1562 | mips16_gprel_reloc, /* special_function */ | |
1563 | "R_MIPS16_GPREL", /* name */ | |
1564 | FALSE, /* partial_inplace */ | |
1565 | 0x0000ffff, /* src_mask */ | |
1566 | 0x0000ffff, /* dst_mask */ | |
1567 | FALSE), /* pcrel_offset */ | |
1568 | ||
1569 | /* A placeholder for MIPS16 reference to global offset table. */ | |
1570 | EMPTY_HOWTO (R_MIPS16_GOT16), | |
1571 | ||
1572 | /* A placeholder for MIPS16 16 bit call through global offset table. */ | |
1573 | EMPTY_HOWTO (R_MIPS16_CALL16), | |
1574 | ||
1575 | /* MIPS16 high 16 bits of symbol value. */ | |
1576 | HOWTO (R_MIPS16_HI16, /* type */ | |
1577 | 16, /* rightshift */ | |
1578 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1579 | 16, /* bitsize */ | |
1580 | FALSE, /* pc_relative */ | |
1581 | 0, /* bitpos */ | |
1582 | complain_overflow_dont, /* complain_on_overflow */ | |
1583 | _bfd_mips_elf_hi16_reloc, /* special_function */ | |
1584 | "R_MIPS16_HI16", /* name */ | |
1585 | FALSE, /* partial_inplace */ | |
1586 | 0x0000ffff, /* src_mask */ | |
1587 | 0x0000ffff, /* dst_mask */ | |
1588 | FALSE), /* pcrel_offset */ | |
1589 | ||
1590 | /* MIPS16 low 16 bits of symbol value. */ | |
1591 | HOWTO (R_MIPS16_LO16, /* type */ | |
1592 | 0, /* rightshift */ | |
1593 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1594 | 16, /* bitsize */ | |
1595 | FALSE, /* pc_relative */ | |
1596 | 0, /* bitpos */ | |
1597 | complain_overflow_dont, /* complain_on_overflow */ | |
1598 | _bfd_mips_elf_lo16_reloc, /* special_function */ | |
1599 | "R_MIPS16_LO16", /* name */ | |
1600 | FALSE, /* partial_inplace */ | |
1601 | 0x0000ffff, /* src_mask */ | |
1602 | 0x0000ffff, /* dst_mask */ | |
1603 | FALSE), /* pcrel_offset */ | |
1604 | }; | |
8a397dad TS |
1605 | |
1606 | /* GNU extension to record C++ vtable hierarchy */ | |
1607 | static reloc_howto_type elf_mips_gnu_vtinherit_howto = | |
1608 | HOWTO (R_MIPS_GNU_VTINHERIT, /* type */ | |
1609 | 0, /* rightshift */ | |
1610 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1611 | 0, /* bitsize */ | |
b34976b6 | 1612 | FALSE, /* pc_relative */ |
8a397dad TS |
1613 | 0, /* bitpos */ |
1614 | complain_overflow_dont, /* complain_on_overflow */ | |
1615 | NULL, /* special_function */ | |
1616 | "R_MIPS_GNU_VTINHERIT", /* name */ | |
b34976b6 | 1617 | FALSE, /* partial_inplace */ |
8a397dad TS |
1618 | 0, /* src_mask */ |
1619 | 0, /* dst_mask */ | |
b34976b6 | 1620 | FALSE); /* pcrel_offset */ |
8a397dad TS |
1621 | |
1622 | /* GNU extension to record C++ vtable member usage */ | |
1623 | static reloc_howto_type elf_mips_gnu_vtentry_howto = | |
1624 | HOWTO (R_MIPS_GNU_VTENTRY, /* type */ | |
1625 | 0, /* rightshift */ | |
1626 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1627 | 0, /* bitsize */ | |
b34976b6 | 1628 | FALSE, /* pc_relative */ |
8a397dad TS |
1629 | 0, /* bitpos */ |
1630 | complain_overflow_dont, /* complain_on_overflow */ | |
1631 | _bfd_elf_rel_vtable_reloc_fn, /* special_function */ | |
1632 | "R_MIPS_GNU_VTENTRY", /* name */ | |
b34976b6 | 1633 | FALSE, /* partial_inplace */ |
8a397dad TS |
1634 | 0, /* src_mask */ |
1635 | 0, /* dst_mask */ | |
b34976b6 | 1636 | FALSE); /* pcrel_offset */ |
8a397dad | 1637 | \f |
d0c728db TS |
1638 | /* 16 bit offset for pc-relative branches. */ |
1639 | static reloc_howto_type elf_mips_gnu_rel16_s2 = | |
1640 | HOWTO (R_MIPS_GNU_REL16_S2, /* type */ | |
1641 | 2, /* rightshift */ | |
1642 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1643 | 16, /* bitsize */ | |
1644 | TRUE, /* pc_relative */ | |
1645 | 0, /* bitpos */ | |
1646 | complain_overflow_signed, /* complain_on_overflow */ | |
30ac9238 | 1647 | _bfd_mips_elf_generic_reloc, /* special_function */ |
d0c728db TS |
1648 | "R_MIPS_GNU_REL16_S2", /* name */ |
1649 | TRUE, /* partial_inplace */ | |
1650 | 0x0000ffff, /* src_mask */ | |
1651 | 0x0000ffff, /* dst_mask */ | |
1652 | TRUE); /* pcrel_offset */ | |
1653 | ||
1654 | /* 16 bit offset for pc-relative branches. */ | |
1655 | static reloc_howto_type elf_mips_gnu_rela16_s2 = | |
1656 | HOWTO (R_MIPS_GNU_REL16_S2, /* type */ | |
1657 | 2, /* rightshift */ | |
1658 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1659 | 16, /* bitsize */ | |
1660 | TRUE, /* pc_relative */ | |
1661 | 0, /* bitpos */ | |
1662 | complain_overflow_signed, /* complain_on_overflow */ | |
30ac9238 | 1663 | _bfd_mips_elf_generic_reloc, /* special_function */ |
d0c728db TS |
1664 | "R_MIPS_GNU_REL16_S2", /* name */ |
1665 | FALSE, /* partial_inplace */ | |
1666 | 0, /* src_mask */ | |
1667 | 0x0000ffff, /* dst_mask */ | |
1668 | TRUE); /* pcrel_offset */ | |
1669 | \f | |
b34976b6 | 1670 | /* Set the GP value for OUTPUT_BFD. Returns FALSE if this is a |
8a397dad TS |
1671 | dangerous relocation. */ |
1672 | ||
b34976b6 | 1673 | static bfd_boolean |
11a2be4d | 1674 | mips_elf_assign_gp (bfd *output_bfd, bfd_vma *pgp) |
8a397dad TS |
1675 | { |
1676 | unsigned int count; | |
1677 | asymbol **sym; | |
1678 | unsigned int i; | |
1679 | ||
1680 | /* If we've already figured out what GP will be, just return it. */ | |
1681 | *pgp = _bfd_get_gp_value (output_bfd); | |
1682 | if (*pgp) | |
b34976b6 | 1683 | return TRUE; |
8a397dad TS |
1684 | |
1685 | count = bfd_get_symcount (output_bfd); | |
1686 | sym = bfd_get_outsymbols (output_bfd); | |
1687 | ||
1688 | /* The linker script will have created a symbol named `_gp' with the | |
1689 | appropriate value. */ | |
11a2be4d | 1690 | if (sym == NULL) |
8a397dad TS |
1691 | i = count; |
1692 | else | |
1693 | { | |
1694 | for (i = 0; i < count; i++, sym++) | |
1695 | { | |
1696 | register const char *name; | |
1697 | ||
1698 | name = bfd_asymbol_name (*sym); | |
1699 | if (*name == '_' && strcmp (name, "_gp") == 0) | |
1700 | { | |
1701 | *pgp = bfd_asymbol_value (*sym); | |
1702 | _bfd_set_gp_value (output_bfd, *pgp); | |
1703 | break; | |
1704 | } | |
1705 | } | |
1706 | } | |
1707 | ||
1708 | if (i >= count) | |
1709 | { | |
1710 | /* Only get the error once. */ | |
1711 | *pgp = 4; | |
1712 | _bfd_set_gp_value (output_bfd, *pgp); | |
b34976b6 | 1713 | return FALSE; |
8a397dad TS |
1714 | } |
1715 | ||
b34976b6 | 1716 | return TRUE; |
8a397dad TS |
1717 | } |
1718 | ||
1719 | /* We have to figure out the gp value, so that we can adjust the | |
1720 | symbol value correctly. We look up the symbol _gp in the output | |
1721 | BFD. If we can't find it, we're stuck. We cache it in the ELF | |
1722 | target data. We don't need to adjust the symbol value for an | |
1049f94e | 1723 | external symbol if we are producing relocatable output. */ |
8a397dad TS |
1724 | |
1725 | static bfd_reloc_status_type | |
11a2be4d RS |
1726 | mips_elf_final_gp (bfd *output_bfd, asymbol *symbol, bfd_boolean relocatable, |
1727 | char **error_message, bfd_vma *pgp) | |
8a397dad TS |
1728 | { |
1729 | if (bfd_is_und_section (symbol->section) | |
1049f94e | 1730 | && ! relocatable) |
8a397dad TS |
1731 | { |
1732 | *pgp = 0; | |
1733 | return bfd_reloc_undefined; | |
1734 | } | |
1735 | ||
1736 | *pgp = _bfd_get_gp_value (output_bfd); | |
1737 | if (*pgp == 0 | |
1049f94e | 1738 | && (! relocatable |
8a397dad TS |
1739 | || (symbol->flags & BSF_SECTION_SYM) != 0)) |
1740 | { | |
1049f94e | 1741 | if (relocatable) |
8a397dad TS |
1742 | { |
1743 | /* Make up a value. */ | |
a902ee94 | 1744 | *pgp = symbol->section->output_section->vma /*+ 0x4000*/; |
8a397dad TS |
1745 | _bfd_set_gp_value (output_bfd, *pgp); |
1746 | } | |
1747 | else if (!mips_elf_assign_gp (output_bfd, pgp)) | |
1748 | { | |
1749 | *error_message = | |
1750 | (char *) _("GP relative relocation when _gp not defined"); | |
1751 | return bfd_reloc_dangerous; | |
1752 | } | |
1753 | } | |
1754 | ||
1755 | return bfd_reloc_ok; | |
1756 | } | |
1757 | ||
1758 | /* Do a R_MIPS_GPREL16 relocation. This is a 16 bit value which must | |
1759 | become the offset from the gp register. */ | |
1760 | ||
1761 | static bfd_reloc_status_type | |
11a2be4d RS |
1762 | mips_elf_gprel16_reloc (bfd *abfd ATTRIBUTE_UNUSED, arelent *reloc_entry, |
1763 | asymbol *symbol, void *data ATTRIBUTE_UNUSED, | |
1764 | asection *input_section, bfd *output_bfd, | |
1765 | char **error_message ATTRIBUTE_UNUSED) | |
8a397dad | 1766 | { |
1049f94e | 1767 | bfd_boolean relocatable; |
8a397dad TS |
1768 | bfd_reloc_status_type ret; |
1769 | bfd_vma gp; | |
1770 | ||
11a2be4d | 1771 | if (output_bfd != NULL) |
1049f94e | 1772 | relocatable = TRUE; |
8a397dad TS |
1773 | else |
1774 | { | |
1049f94e | 1775 | relocatable = FALSE; |
8a397dad TS |
1776 | output_bfd = symbol->section->output_section->owner; |
1777 | } | |
1778 | ||
1049f94e | 1779 | ret = mips_elf_final_gp (output_bfd, symbol, relocatable, error_message, |
8a397dad TS |
1780 | &gp); |
1781 | if (ret != bfd_reloc_ok) | |
1782 | return ret; | |
1783 | ||
1784 | return _bfd_mips_elf_gprel16_with_gp (abfd, symbol, reloc_entry, | |
1049f94e | 1785 | input_section, relocatable, |
8a397dad TS |
1786 | data, gp); |
1787 | } | |
1788 | ||
1789 | /* Do a R_MIPS_LITERAL relocation. */ | |
1790 | ||
1791 | static bfd_reloc_status_type | |
11a2be4d RS |
1792 | mips_elf_literal_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol, |
1793 | void *data, asection *input_section, bfd *output_bfd, | |
1794 | char **error_message) | |
8a397dad | 1795 | { |
1049f94e | 1796 | bfd_boolean relocatable; |
8a397dad TS |
1797 | bfd_reloc_status_type ret; |
1798 | bfd_vma gp; | |
1799 | ||
254f0426 MR |
1800 | /* R_MIPS_LITERAL relocations are defined for local symbols only. */ |
1801 | if (output_bfd != NULL | |
1802 | && (symbol->flags & BSF_SECTION_SYM) == 0 | |
1803 | && (symbol->flags & BSF_LOCAL) != 0) | |
1804 | { | |
1805 | *error_message = (char *) | |
1806 | _("literal relocation occurs for an external symbol"); | |
1807 | return bfd_reloc_outofrange; | |
1808 | } | |
1809 | ||
8a397dad | 1810 | /* FIXME: The entries in the .lit8 and .lit4 sections should be merged. */ |
11a2be4d | 1811 | if (output_bfd != NULL) |
1049f94e | 1812 | relocatable = TRUE; |
8a397dad TS |
1813 | else |
1814 | { | |
1049f94e | 1815 | relocatable = FALSE; |
8a397dad TS |
1816 | output_bfd = symbol->section->output_section->owner; |
1817 | } | |
1818 | ||
1049f94e | 1819 | ret = mips_elf_final_gp (output_bfd, symbol, relocatable, error_message, |
8a397dad TS |
1820 | &gp); |
1821 | if (ret != bfd_reloc_ok) | |
1822 | return ret; | |
1823 | ||
1824 | return _bfd_mips_elf_gprel16_with_gp (abfd, symbol, reloc_entry, | |
1049f94e | 1825 | input_section, relocatable, |
8a397dad TS |
1826 | data, gp); |
1827 | } | |
1828 | ||
1829 | /* Do a R_MIPS_GPREL32 relocation. This is a 32 bit value which must | |
1830 | become the offset from the gp register. */ | |
1831 | ||
1832 | static bfd_reloc_status_type | |
11a2be4d RS |
1833 | mips_elf_gprel32_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol, |
1834 | void *data, asection *input_section, bfd *output_bfd, | |
1835 | char **error_message) | |
8a397dad | 1836 | { |
1049f94e | 1837 | bfd_boolean relocatable; |
8a397dad TS |
1838 | bfd_reloc_status_type ret; |
1839 | bfd_vma gp; | |
1840 | ||
a7ebbfdf | 1841 | /* R_MIPS_GPREL32 relocations are defined for local symbols only. */ |
11a2be4d | 1842 | if (output_bfd != NULL |
8a397dad | 1843 | && (symbol->flags & BSF_SECTION_SYM) == 0 |
a7ebbfdf | 1844 | && (symbol->flags & BSF_LOCAL) != 0) |
8a397dad TS |
1845 | { |
1846 | *error_message = (char *) | |
1847 | _("32bits gp relative relocation occurs for an external symbol"); | |
1848 | return bfd_reloc_outofrange; | |
1849 | } | |
1850 | ||
11a2be4d | 1851 | if (output_bfd != NULL) |
8a397dad | 1852 | { |
1049f94e | 1853 | relocatable = TRUE; |
8a397dad TS |
1854 | gp = _bfd_get_gp_value (output_bfd); |
1855 | } | |
1856 | else | |
1857 | { | |
1049f94e | 1858 | relocatable = FALSE; |
8a397dad TS |
1859 | output_bfd = symbol->section->output_section->owner; |
1860 | ||
1049f94e | 1861 | ret = mips_elf_final_gp (output_bfd, symbol, relocatable, |
8a397dad TS |
1862 | error_message, &gp); |
1863 | if (ret != bfd_reloc_ok) | |
1864 | return ret; | |
1865 | } | |
1866 | ||
1867 | return gprel32_with_gp (abfd, symbol, reloc_entry, input_section, | |
1049f94e | 1868 | relocatable, data, gp); |
8a397dad TS |
1869 | } |
1870 | ||
1871 | static bfd_reloc_status_type | |
11a2be4d RS |
1872 | gprel32_with_gp (bfd *abfd, asymbol *symbol, arelent *reloc_entry, |
1873 | asection *input_section, bfd_boolean relocatable, | |
1874 | void *data, bfd_vma gp) | |
8a397dad TS |
1875 | { |
1876 | bfd_vma relocation; | |
1877 | unsigned long val; | |
1878 | ||
1879 | if (bfd_is_com_section (symbol->section)) | |
1880 | relocation = 0; | |
1881 | else | |
1882 | relocation = symbol->value; | |
1883 | ||
1884 | relocation += symbol->section->output_section->vma; | |
1885 | relocation += symbol->section->output_offset; | |
1886 | ||
07515404 | 1887 | if (reloc_entry->address > bfd_get_section_limit (abfd, input_section)) |
8a397dad TS |
1888 | return bfd_reloc_outofrange; |
1889 | ||
1890 | if (reloc_entry->howto->src_mask == 0) | |
1891 | val = 0; | |
1892 | else | |
1893 | val = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address); | |
1894 | ||
1895 | /* Set val to the offset into the section or symbol. */ | |
1896 | val += reloc_entry->addend; | |
1897 | ||
1898 | /* Adjust val for the final section location and GP value. If we | |
1049f94e | 1899 | are producing relocatable output, we don't want to do this for |
8a397dad | 1900 | an external symbol. */ |
1049f94e | 1901 | if (! relocatable |
8a397dad TS |
1902 | || (symbol->flags & BSF_SECTION_SYM) != 0) |
1903 | val += relocation - gp; | |
1904 | ||
11a2be4d | 1905 | bfd_put_32 (abfd, val, (bfd_byte *) data + reloc_entry->address); |
8a397dad | 1906 | |
1049f94e | 1907 | if (relocatable) |
8a397dad TS |
1908 | reloc_entry->address += input_section->output_offset; |
1909 | ||
1910 | return bfd_reloc_ok; | |
1911 | } | |
1912 | ||
1913 | /* Do a R_MIPS_SHIFT6 relocation. The MSB of the shift is stored at bit 2, | |
1914 | the rest is at bits 6-10. The bitpos already got right by the howto. */ | |
1915 | ||
1916 | static bfd_reloc_status_type | |
30ac9238 RS |
1917 | mips_elf_shift6_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol, |
1918 | void *data, asection *input_section, bfd *output_bfd, | |
1919 | char **error_message) | |
8a397dad | 1920 | { |
a7ebbfdf TS |
1921 | if (reloc_entry->howto->partial_inplace) |
1922 | { | |
1923 | reloc_entry->addend = ((reloc_entry->addend & 0x00007c0) | |
1924 | | (reloc_entry->addend & 0x00000800) >> 9); | |
1925 | } | |
8a397dad | 1926 | |
30ac9238 RS |
1927 | return _bfd_mips_elf_generic_reloc (abfd, reloc_entry, symbol, data, |
1928 | input_section, output_bfd, | |
1929 | error_message); | |
8a397dad TS |
1930 | } |
1931 | \f | |
8a397dad TS |
1932 | /* Handle a mips16 GP relative reloc. */ |
1933 | ||
1934 | static bfd_reloc_status_type | |
11a2be4d RS |
1935 | mips16_gprel_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol, |
1936 | void *data, asection *input_section, bfd *output_bfd, | |
1937 | char **error_message) | |
8a397dad | 1938 | { |
1049f94e | 1939 | bfd_boolean relocatable; |
8a397dad | 1940 | bfd_reloc_status_type ret; |
d6f16593 | 1941 | bfd_byte *location; |
8a397dad | 1942 | bfd_vma gp; |
8a397dad | 1943 | |
7f05722e MR |
1944 | /* If we're relocating, and this is an external symbol, we don't want |
1945 | to change anything. */ | |
1946 | if (output_bfd != NULL | |
1947 | && (symbol->flags & BSF_SECTION_SYM) == 0 | |
1948 | && (symbol->flags & BSF_LOCAL) != 0) | |
1949 | { | |
1950 | reloc_entry->address += input_section->output_offset; | |
1951 | return bfd_reloc_ok; | |
1952 | } | |
1953 | ||
8a397dad | 1954 | if (output_bfd != NULL) |
1049f94e | 1955 | relocatable = TRUE; |
8a397dad TS |
1956 | else |
1957 | { | |
1049f94e | 1958 | relocatable = FALSE; |
8a397dad TS |
1959 | output_bfd = symbol->section->output_section->owner; |
1960 | } | |
1961 | ||
1049f94e | 1962 | ret = mips_elf_final_gp (output_bfd, symbol, relocatable, error_message, |
8a397dad TS |
1963 | &gp); |
1964 | if (ret != bfd_reloc_ok) | |
1965 | return ret; | |
1966 | ||
d6f16593 MR |
1967 | location = (bfd_byte *) data + reloc_entry->address; |
1968 | _bfd_mips16_elf_reloc_unshuffle (abfd, reloc_entry->howto->type, FALSE, | |
1969 | location); | |
1970 | ret = _bfd_mips_elf_gprel16_with_gp (abfd, symbol, reloc_entry, | |
1971 | input_section, relocatable, | |
1972 | data, gp); | |
1973 | _bfd_mips16_elf_reloc_shuffle (abfd, reloc_entry->howto->type, !relocatable, | |
1974 | location); | |
8a397dad | 1975 | |
d6f16593 | 1976 | return ret; |
8a397dad | 1977 | } |
8a397dad TS |
1978 | \f |
1979 | /* A mapping from BFD reloc types to MIPS ELF reloc types. */ | |
1980 | ||
1981 | struct elf_reloc_map { | |
1982 | bfd_reloc_code_real_type bfd_val; | |
1983 | enum elf_mips_reloc_type elf_val; | |
1984 | }; | |
1985 | ||
1986 | static const struct elf_reloc_map mips_reloc_map[] = | |
1987 | { | |
1988 | { BFD_RELOC_NONE, R_MIPS_NONE }, | |
1989 | { BFD_RELOC_16, R_MIPS_16 }, | |
1990 | { BFD_RELOC_32, R_MIPS_32 }, | |
1991 | /* There is no BFD reloc for R_MIPS_REL32. */ | |
1992 | { BFD_RELOC_CTOR, R_MIPS_32 }, | |
1993 | { BFD_RELOC_64, R_MIPS_64 }, | |
bad36eac | 1994 | { BFD_RELOC_16_PCREL_S2, R_MIPS_PC16 }, |
8a397dad TS |
1995 | { BFD_RELOC_HI16_S, R_MIPS_HI16 }, |
1996 | { BFD_RELOC_LO16, R_MIPS_LO16 }, | |
1997 | { BFD_RELOC_GPREL16, R_MIPS_GPREL16 }, | |
1998 | { BFD_RELOC_GPREL32, R_MIPS_GPREL32 }, | |
1999 | { BFD_RELOC_MIPS_JMP, R_MIPS_26 }, | |
2000 | { BFD_RELOC_MIPS_LITERAL, R_MIPS_LITERAL }, | |
2001 | { BFD_RELOC_MIPS_GOT16, R_MIPS_GOT16 }, | |
2002 | { BFD_RELOC_MIPS_CALL16, R_MIPS_CALL16 }, | |
2003 | { BFD_RELOC_MIPS_SHIFT5, R_MIPS_SHIFT5 }, | |
2004 | { BFD_RELOC_MIPS_SHIFT6, R_MIPS_SHIFT6 }, | |
2005 | { BFD_RELOC_MIPS_GOT_DISP, R_MIPS_GOT_DISP }, | |
2006 | { BFD_RELOC_MIPS_GOT_PAGE, R_MIPS_GOT_PAGE }, | |
2007 | { BFD_RELOC_MIPS_GOT_OFST, R_MIPS_GOT_OFST }, | |
2008 | { BFD_RELOC_MIPS_GOT_HI16, R_MIPS_GOT_HI16 }, | |
2009 | { BFD_RELOC_MIPS_GOT_LO16, R_MIPS_GOT_LO16 }, | |
2010 | { BFD_RELOC_MIPS_SUB, R_MIPS_SUB }, | |
2011 | { BFD_RELOC_MIPS_INSERT_A, R_MIPS_INSERT_A }, | |
2012 | { BFD_RELOC_MIPS_INSERT_B, R_MIPS_INSERT_B }, | |
2013 | { BFD_RELOC_MIPS_DELETE, R_MIPS_DELETE }, | |
2014 | { BFD_RELOC_MIPS_HIGHEST, R_MIPS_HIGHEST }, | |
2015 | { BFD_RELOC_MIPS_HIGHER, R_MIPS_HIGHER }, | |
2016 | { BFD_RELOC_MIPS_CALL_HI16, R_MIPS_CALL_HI16 }, | |
2017 | { BFD_RELOC_MIPS_CALL_LO16, R_MIPS_CALL_LO16 }, | |
2018 | { BFD_RELOC_MIPS_SCN_DISP, R_MIPS_SCN_DISP }, | |
2019 | { BFD_RELOC_MIPS_REL16, R_MIPS_REL16 }, | |
2020 | /* Use of R_MIPS_ADD_IMMEDIATE and R_MIPS_PJUMP is deprecated. */ | |
2021 | { BFD_RELOC_MIPS_RELGOT, R_MIPS_RELGOT }, | |
0f20cc35 DJ |
2022 | { BFD_RELOC_MIPS_JALR, R_MIPS_JALR }, |
2023 | { BFD_RELOC_MIPS_TLS_DTPMOD32, R_MIPS_TLS_DTPMOD32 }, | |
2024 | { BFD_RELOC_MIPS_TLS_DTPREL32, R_MIPS_TLS_DTPREL32 }, | |
2025 | { BFD_RELOC_MIPS_TLS_DTPMOD64, R_MIPS_TLS_DTPMOD64 }, | |
2026 | { BFD_RELOC_MIPS_TLS_DTPREL64, R_MIPS_TLS_DTPREL64 }, | |
2027 | { BFD_RELOC_MIPS_TLS_GD, R_MIPS_TLS_GD }, | |
2028 | { BFD_RELOC_MIPS_TLS_LDM, R_MIPS_TLS_LDM }, | |
2029 | { BFD_RELOC_MIPS_TLS_DTPREL_HI16, R_MIPS_TLS_DTPREL_HI16 }, | |
2030 | { BFD_RELOC_MIPS_TLS_DTPREL_LO16, R_MIPS_TLS_DTPREL_LO16 }, | |
2031 | { BFD_RELOC_MIPS_TLS_GOTTPREL, R_MIPS_TLS_GOTTPREL }, | |
2032 | { BFD_RELOC_MIPS_TLS_TPREL32, R_MIPS_TLS_TPREL32 }, | |
2033 | { BFD_RELOC_MIPS_TLS_TPREL64, R_MIPS_TLS_TPREL64 }, | |
2034 | { BFD_RELOC_MIPS_TLS_TPREL_HI16, R_MIPS_TLS_TPREL_HI16 }, | |
2035 | { BFD_RELOC_MIPS_TLS_TPREL_LO16, R_MIPS_TLS_TPREL_LO16 } | |
8a397dad TS |
2036 | }; |
2037 | ||
d6f16593 MR |
2038 | static const struct elf_reloc_map mips16_reloc_map[] = |
2039 | { | |
2040 | { BFD_RELOC_MIPS16_JMP, R_MIPS16_26 - R_MIPS16_min }, | |
2041 | { BFD_RELOC_MIPS16_GPREL, R_MIPS16_GPREL - R_MIPS16_min }, | |
2042 | { BFD_RELOC_MIPS16_HI16_S, R_MIPS16_HI16 - R_MIPS16_min }, | |
2043 | { BFD_RELOC_MIPS16_LO16, R_MIPS16_LO16 - R_MIPS16_min }, | |
2044 | }; | |
2045 | ||
8a397dad TS |
2046 | /* Given a BFD reloc type, return a howto structure. */ |
2047 | ||
2048 | static reloc_howto_type * | |
11a2be4d RS |
2049 | bfd_elf32_bfd_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED, |
2050 | bfd_reloc_code_real_type code) | |
8a397dad TS |
2051 | { |
2052 | unsigned int i; | |
2053 | /* FIXME: We default to RELA here instead of choosing the right | |
2054 | relocation variant. */ | |
2055 | reloc_howto_type *howto_table = elf_mips_howto_table_rela; | |
d6f16593 | 2056 | reloc_howto_type *howto16_table = elf_mips16_howto_table_rela; |
8a397dad TS |
2057 | |
2058 | for (i = 0; i < sizeof (mips_reloc_map) / sizeof (struct elf_reloc_map); | |
2059 | i++) | |
2060 | { | |
2061 | if (mips_reloc_map[i].bfd_val == code) | |
2062 | return &howto_table[(int) mips_reloc_map[i].elf_val]; | |
2063 | } | |
2064 | ||
d6f16593 MR |
2065 | for (i = 0; i < sizeof (mips16_reloc_map) / sizeof (struct elf_reloc_map); |
2066 | i++) | |
2067 | { | |
2068 | if (mips16_reloc_map[i].bfd_val == code) | |
2069 | return &howto16_table[(int) mips16_reloc_map[i].elf_val]; | |
2070 | } | |
2071 | ||
8a397dad TS |
2072 | switch (code) |
2073 | { | |
8a397dad TS |
2074 | case BFD_RELOC_VTABLE_INHERIT: |
2075 | return &elf_mips_gnu_vtinherit_howto; | |
2076 | case BFD_RELOC_VTABLE_ENTRY: | |
2077 | return &elf_mips_gnu_vtentry_howto; | |
2078 | default: | |
2079 | bfd_set_error (bfd_error_bad_value); | |
2080 | return NULL; | |
2081 | } | |
2082 | } | |
2083 | ||
947216bf | 2084 | /* Given a MIPS Elf_Internal_Rel, fill in an arelent structure. */ |
8a397dad TS |
2085 | |
2086 | static reloc_howto_type * | |
11a2be4d | 2087 | mips_elf_n32_rtype_to_howto (unsigned int r_type, bfd_boolean rela_p) |
8a397dad TS |
2088 | { |
2089 | switch (r_type) | |
2090 | { | |
8a397dad TS |
2091 | case R_MIPS_GNU_VTINHERIT: |
2092 | return &elf_mips_gnu_vtinherit_howto; | |
2093 | case R_MIPS_GNU_VTENTRY: | |
2094 | return &elf_mips_gnu_vtentry_howto; | |
d0c728db TS |
2095 | case R_MIPS_GNU_REL16_S2: |
2096 | if (rela_p) | |
2097 | return &elf_mips_gnu_rela16_s2; | |
2098 | else | |
2099 | return &elf_mips_gnu_rel16_s2; | |
8a397dad | 2100 | default: |
d6f16593 MR |
2101 | if (r_type >= R_MIPS16_min && r_type < R_MIPS16_max) |
2102 | { | |
2103 | if (rela_p) | |
2104 | return &elf_mips16_howto_table_rela[r_type - R_MIPS16_min]; | |
2105 | else | |
2106 | return &elf_mips16_howto_table_rel[r_type - R_MIPS16_min]; | |
2107 | } | |
8a397dad TS |
2108 | BFD_ASSERT (r_type < (unsigned int) R_MIPS_max); |
2109 | if (rela_p) | |
2110 | return &elf_mips_howto_table_rela[r_type]; | |
2111 | else | |
2112 | return &elf_mips_howto_table_rel[r_type]; | |
2113 | break; | |
2114 | } | |
2115 | } | |
2116 | ||
947216bf | 2117 | /* Given a MIPS Elf_Internal_Rel, fill in an arelent structure. */ |
8a397dad TS |
2118 | |
2119 | static void | |
11a2be4d | 2120 | mips_info_to_howto_rel (bfd *abfd, arelent *cache_ptr, Elf_Internal_Rela *dst) |
8a397dad TS |
2121 | { |
2122 | unsigned int r_type; | |
2123 | ||
2124 | r_type = ELF32_R_TYPE (dst->r_info); | |
b34976b6 | 2125 | cache_ptr->howto = mips_elf_n32_rtype_to_howto (r_type, FALSE); |
8a397dad TS |
2126 | |
2127 | /* The addend for a GPREL16 or LITERAL relocation comes from the GP | |
2128 | value for the object file. We get the addend now, rather than | |
2129 | when we do the relocation, because the symbol manipulations done | |
2130 | by the linker may cause us to lose track of the input BFD. */ | |
2131 | if (((*cache_ptr->sym_ptr_ptr)->flags & BSF_SECTION_SYM) != 0 | |
2132 | && (r_type == (unsigned int) R_MIPS_GPREL16 | |
2133 | || r_type == (unsigned int) R_MIPS_LITERAL)) | |
2134 | cache_ptr->addend = elf_gp (abfd); | |
2135 | } | |
2136 | ||
947216bf | 2137 | /* Given a MIPS Elf_Internal_Rela, fill in an arelent structure. */ |
8a397dad TS |
2138 | |
2139 | static void | |
11a2be4d RS |
2140 | mips_info_to_howto_rela (bfd *abfd ATTRIBUTE_UNUSED, |
2141 | arelent *cache_ptr, Elf_Internal_Rela *dst) | |
8a397dad TS |
2142 | { |
2143 | unsigned int r_type; | |
2144 | ||
2145 | r_type = ELF32_R_TYPE (dst->r_info); | |
b34976b6 | 2146 | cache_ptr->howto = mips_elf_n32_rtype_to_howto (r_type, TRUE); |
8a397dad TS |
2147 | cache_ptr->addend = dst->r_addend; |
2148 | } | |
2149 | \f | |
2150 | /* Determine whether a symbol is global for the purposes of splitting | |
2151 | the symbol table into global symbols and local symbols. At least | |
2152 | on Irix 5, this split must be between section symbols and all other | |
2153 | symbols. On most ELF targets the split is between static symbols | |
2154 | and externally visible symbols. */ | |
2155 | ||
b34976b6 | 2156 | static bfd_boolean |
11a2be4d | 2157 | mips_elf_sym_is_global (bfd *abfd ATTRIBUTE_UNUSED, asymbol *sym) |
8a397dad TS |
2158 | { |
2159 | if (SGI_COMPAT (abfd)) | |
2160 | return (sym->flags & BSF_SECTION_SYM) == 0; | |
2161 | else | |
2162 | return ((sym->flags & (BSF_GLOBAL | BSF_WEAK)) != 0 | |
2163 | || bfd_is_und_section (bfd_get_section (sym)) | |
2164 | || bfd_is_com_section (bfd_get_section (sym))); | |
2165 | } | |
2166 | \f | |
2167 | /* Set the right machine number for a MIPS ELF file. */ | |
2168 | ||
b34976b6 | 2169 | static bfd_boolean |
11a2be4d | 2170 | mips_elf_n32_object_p (bfd *abfd) |
8a397dad TS |
2171 | { |
2172 | unsigned long mach; | |
2173 | ||
2174 | /* Irix 5 and 6 are broken. Object file symbol tables are not always | |
2175 | sorted correctly such that local symbols precede global symbols, | |
2176 | and the sh_info field in the symbol table is not always right. */ | |
2177 | if (SGI_COMPAT (abfd)) | |
b34976b6 | 2178 | elf_bad_symtab (abfd) = TRUE; |
8a397dad TS |
2179 | |
2180 | mach = _bfd_elf_mips_mach (elf_elfheader (abfd)->e_flags); | |
2181 | bfd_default_set_arch_mach (abfd, bfd_arch_mips, mach); | |
2182 | ||
2183 | if (! ABI_N32_P(abfd)) | |
b34976b6 | 2184 | return FALSE; |
8a397dad | 2185 | |
b34976b6 | 2186 | return TRUE; |
8a397dad TS |
2187 | } |
2188 | \f | |
2189 | /* Support for core dump NOTE sections. */ | |
b34976b6 | 2190 | static bfd_boolean |
11a2be4d | 2191 | elf32_mips_grok_prstatus (bfd *abfd, Elf_Internal_Note *note) |
8a397dad TS |
2192 | { |
2193 | int offset; | |
eea6121a | 2194 | unsigned int size; |
8a397dad TS |
2195 | |
2196 | switch (note->descsz) | |
2197 | { | |
2198 | default: | |
b34976b6 | 2199 | return FALSE; |
8a397dad | 2200 | |
59a8c196 | 2201 | case 440: /* Linux/MIPS N32 */ |
8a397dad TS |
2202 | /* pr_cursig */ |
2203 | elf_tdata (abfd)->core_signal = bfd_get_16 (abfd, note->descdata + 12); | |
2204 | ||
2205 | /* pr_pid */ | |
2206 | elf_tdata (abfd)->core_pid = bfd_get_32 (abfd, note->descdata + 24); | |
2207 | ||
2208 | /* pr_reg */ | |
2209 | offset = 72; | |
eea6121a | 2210 | size = 360; |
8a397dad TS |
2211 | |
2212 | break; | |
2213 | } | |
2214 | ||
2215 | /* Make a ".reg/999" section. */ | |
eea6121a | 2216 | return _bfd_elfcore_make_pseudosection (abfd, ".reg", size, |
8a397dad TS |
2217 | note->descpos + offset); |
2218 | } | |
2219 | ||
b34976b6 | 2220 | static bfd_boolean |
11a2be4d | 2221 | elf32_mips_grok_psinfo (bfd *abfd, Elf_Internal_Note *note) |
8a397dad TS |
2222 | { |
2223 | switch (note->descsz) | |
2224 | { | |
2225 | default: | |
b34976b6 | 2226 | return FALSE; |
8a397dad TS |
2227 | |
2228 | case 128: /* Linux/MIPS elf_prpsinfo */ | |
2229 | elf_tdata (abfd)->core_program | |
2230 | = _bfd_elfcore_strndup (abfd, note->descdata + 32, 16); | |
2231 | elf_tdata (abfd)->core_command | |
2232 | = _bfd_elfcore_strndup (abfd, note->descdata + 48, 80); | |
2233 | } | |
2234 | ||
2235 | /* Note that for some reason, a spurious space is tacked | |
2236 | onto the end of the args in some (at least one anyway) | |
2237 | implementations, so strip it off if it exists. */ | |
2238 | ||
2239 | { | |
2240 | char *command = elf_tdata (abfd)->core_command; | |
2241 | int n = strlen (command); | |
2242 | ||
2243 | if (0 < n && command[n - 1] == ' ') | |
2244 | command[n - 1] = '\0'; | |
2245 | } | |
2246 | ||
b34976b6 | 2247 | return TRUE; |
8a397dad TS |
2248 | } |
2249 | \f | |
2250 | /* Depending on the target vector we generate some version of Irix | |
2251 | executables or "normal" MIPS ELF ABI executables. */ | |
2252 | static irix_compat_t | |
11a2be4d | 2253 | elf_n32_mips_irix_compat (bfd *abfd) |
8a397dad TS |
2254 | { |
2255 | if ((abfd->xvec == &bfd_elf32_nbigmips_vec) | |
2256 | || (abfd->xvec == &bfd_elf32_nlittlemips_vec)) | |
2257 | return ict_irix6; | |
2258 | else | |
2259 | return ict_none; | |
2260 | } | |
2261 | \f | |
2262 | /* ECOFF swapping routines. These are used when dealing with the | |
2263 | .mdebug section, which is in the ECOFF debugging format. */ | |
2264 | static const struct ecoff_debug_swap mips_elf32_ecoff_debug_swap = { | |
2265 | /* Symbol table magic number. */ | |
2266 | magicSym, | |
2267 | /* Alignment of debugging information. E.g., 4. */ | |
2268 | 4, | |
2269 | /* Sizes of external symbolic information. */ | |
2270 | sizeof (struct hdr_ext), | |
2271 | sizeof (struct dnr_ext), | |
2272 | sizeof (struct pdr_ext), | |
2273 | sizeof (struct sym_ext), | |
2274 | sizeof (struct opt_ext), | |
2275 | sizeof (struct fdr_ext), | |
2276 | sizeof (struct rfd_ext), | |
2277 | sizeof (struct ext_ext), | |
2278 | /* Functions to swap in external symbolic data. */ | |
2279 | ecoff_swap_hdr_in, | |
2280 | ecoff_swap_dnr_in, | |
2281 | ecoff_swap_pdr_in, | |
2282 | ecoff_swap_sym_in, | |
2283 | ecoff_swap_opt_in, | |
2284 | ecoff_swap_fdr_in, | |
2285 | ecoff_swap_rfd_in, | |
2286 | ecoff_swap_ext_in, | |
2287 | _bfd_ecoff_swap_tir_in, | |
2288 | _bfd_ecoff_swap_rndx_in, | |
2289 | /* Functions to swap out external symbolic data. */ | |
2290 | ecoff_swap_hdr_out, | |
2291 | ecoff_swap_dnr_out, | |
2292 | ecoff_swap_pdr_out, | |
2293 | ecoff_swap_sym_out, | |
2294 | ecoff_swap_opt_out, | |
2295 | ecoff_swap_fdr_out, | |
2296 | ecoff_swap_rfd_out, | |
2297 | ecoff_swap_ext_out, | |
2298 | _bfd_ecoff_swap_tir_out, | |
2299 | _bfd_ecoff_swap_rndx_out, | |
2300 | /* Function to read in symbolic data. */ | |
2301 | _bfd_mips_elf_read_ecoff_info | |
2302 | }; | |
2303 | \f | |
2304 | #define ELF_ARCH bfd_arch_mips | |
2305 | #define ELF_MACHINE_CODE EM_MIPS | |
2306 | ||
b34976b6 AM |
2307 | #define elf_backend_collect TRUE |
2308 | #define elf_backend_type_change_ok TRUE | |
2309 | #define elf_backend_can_gc_sections TRUE | |
8a397dad TS |
2310 | #define elf_info_to_howto mips_info_to_howto_rela |
2311 | #define elf_info_to_howto_rel mips_info_to_howto_rel | |
2312 | #define elf_backend_sym_is_global mips_elf_sym_is_global | |
2313 | #define elf_backend_object_p mips_elf_n32_object_p | |
2314 | #define elf_backend_symbol_processing _bfd_mips_elf_symbol_processing | |
2315 | #define elf_backend_section_processing _bfd_mips_elf_section_processing | |
2316 | #define elf_backend_section_from_shdr _bfd_mips_elf_section_from_shdr | |
2317 | #define elf_backend_fake_sections _bfd_mips_elf_fake_sections | |
2318 | #define elf_backend_section_from_bfd_section \ | |
2319 | _bfd_mips_elf_section_from_bfd_section | |
2320 | #define elf_backend_add_symbol_hook _bfd_mips_elf_add_symbol_hook | |
2321 | #define elf_backend_link_output_symbol_hook \ | |
2322 | _bfd_mips_elf_link_output_symbol_hook | |
2323 | #define elf_backend_create_dynamic_sections \ | |
2324 | _bfd_mips_elf_create_dynamic_sections | |
2325 | #define elf_backend_check_relocs _bfd_mips_elf_check_relocs | |
8992f0d7 TS |
2326 | #define elf_backend_merge_symbol_attribute \ |
2327 | _bfd_mips_elf_merge_symbol_attribute | |
8a397dad TS |
2328 | #define elf_backend_adjust_dynamic_symbol \ |
2329 | _bfd_mips_elf_adjust_dynamic_symbol | |
2330 | #define elf_backend_always_size_sections \ | |
2331 | _bfd_mips_elf_always_size_sections | |
2332 | #define elf_backend_size_dynamic_sections \ | |
2333 | _bfd_mips_elf_size_dynamic_sections | |
74541ad4 | 2334 | #define elf_backend_init_index_section _bfd_elf_init_1_index_section |
8a397dad TS |
2335 | #define elf_backend_relocate_section _bfd_mips_elf_relocate_section |
2336 | #define elf_backend_finish_dynamic_symbol \ | |
2337 | _bfd_mips_elf_finish_dynamic_symbol | |
2338 | #define elf_backend_finish_dynamic_sections \ | |
2339 | _bfd_mips_elf_finish_dynamic_sections | |
2340 | #define elf_backend_final_write_processing \ | |
2341 | _bfd_mips_elf_final_write_processing | |
2342 | #define elf_backend_additional_program_headers \ | |
2343 | _bfd_mips_elf_additional_program_headers | |
2344 | #define elf_backend_modify_segment_map _bfd_mips_elf_modify_segment_map | |
2345 | #define elf_backend_gc_mark_hook _bfd_mips_elf_gc_mark_hook | |
2346 | #define elf_backend_gc_sweep_hook _bfd_mips_elf_gc_sweep_hook | |
2347 | #define elf_backend_copy_indirect_symbol \ | |
2348 | _bfd_mips_elf_copy_indirect_symbol | |
2349 | #define elf_backend_hide_symbol _bfd_mips_elf_hide_symbol | |
2350 | #define elf_backend_grok_prstatus elf32_mips_grok_prstatus | |
2351 | #define elf_backend_grok_psinfo elf32_mips_grok_psinfo | |
2352 | #define elf_backend_ecoff_debug_swap &mips_elf32_ecoff_debug_swap | |
2353 | ||
2354 | #define elf_backend_got_header_size (4 * MIPS_RESERVED_GOTNO) | |
8a397dad TS |
2355 | |
2356 | /* MIPS n32 ELF can use a mixture of REL and RELA, but some Relocations | |
2357 | work better/work only in RELA, so we default to this. */ | |
2358 | #define elf_backend_may_use_rel_p 1 | |
2359 | #define elf_backend_may_use_rela_p 1 | |
2360 | #define elf_backend_default_use_rela_p 1 | |
b34976b6 | 2361 | #define elf_backend_sign_extend_vma TRUE |
8a397dad TS |
2362 | |
2363 | #define elf_backend_discard_info _bfd_mips_elf_discard_info | |
2364 | #define elf_backend_ignore_discarded_relocs \ | |
2365 | _bfd_mips_elf_ignore_discarded_relocs | |
2366 | #define elf_backend_write_section _bfd_mips_elf_write_section | |
2367 | #define elf_backend_mips_irix_compat elf_n32_mips_irix_compat | |
2368 | #define elf_backend_mips_rtype_to_howto mips_elf_n32_rtype_to_howto | |
2369 | #define bfd_elf32_find_nearest_line _bfd_mips_elf_find_nearest_line | |
4ab527b0 | 2370 | #define bfd_elf32_find_inliner_info _bfd_mips_elf_find_inliner_info |
f0abc2a1 | 2371 | #define bfd_elf32_new_section_hook _bfd_mips_elf_new_section_hook |
8a397dad TS |
2372 | #define bfd_elf32_set_section_contents _bfd_mips_elf_set_section_contents |
2373 | #define bfd_elf32_bfd_get_relocated_section_contents \ | |
2374 | _bfd_elf_mips_get_relocated_section_contents | |
2375 | #define bfd_elf32_bfd_link_hash_table_create \ | |
2376 | _bfd_mips_elf_link_hash_table_create | |
2377 | #define bfd_elf32_bfd_final_link _bfd_mips_elf_final_link | |
2378 | #define bfd_elf32_bfd_merge_private_bfd_data \ | |
2379 | _bfd_mips_elf_merge_private_bfd_data | |
2380 | #define bfd_elf32_bfd_set_private_flags _bfd_mips_elf_set_private_flags | |
2381 | #define bfd_elf32_bfd_print_private_bfd_data \ | |
2382 | _bfd_mips_elf_print_private_bfd_data | |
d0647110 | 2383 | #define bfd_elf32_bfd_relax_section _bfd_mips_relax_section |
8a397dad TS |
2384 | |
2385 | /* Support for SGI-ish mips targets using n32 ABI. */ | |
2386 | ||
2387 | #define TARGET_LITTLE_SYM bfd_elf32_nlittlemips_vec | |
2388 | #define TARGET_LITTLE_NAME "elf32-nlittlemips" | |
2389 | #define TARGET_BIG_SYM bfd_elf32_nbigmips_vec | |
2390 | #define TARGET_BIG_NAME "elf32-nbigmips" | |
2391 | ||
7fd91fe0 | 2392 | #define ELF_MAXPAGESIZE 0x10000 |
24718e3b | 2393 | #define ELF_COMMONPAGESIZE 0x1000 |
4301eeb1 | 2394 | |
8a397dad TS |
2395 | #include "elf32-target.h" |
2396 | ||
2397 | /* Support for traditional mips targets using n32 ABI. */ | |
8a397dad TS |
2398 | #undef TARGET_LITTLE_SYM |
2399 | #undef TARGET_LITTLE_NAME | |
2400 | #undef TARGET_BIG_SYM | |
2401 | #undef TARGET_BIG_NAME | |
2402 | ||
4301eeb1 | 2403 | #undef ELF_MAXPAGESIZE |
7fd91fe0 | 2404 | #undef ELF_COMMONPAGESIZE |
4301eeb1 | 2405 | |
8a397dad TS |
2406 | #define TARGET_LITTLE_SYM bfd_elf32_ntradlittlemips_vec |
2407 | #define TARGET_LITTLE_NAME "elf32-ntradlittlemips" | |
2408 | #define TARGET_BIG_SYM bfd_elf32_ntradbigmips_vec | |
2409 | #define TARGET_BIG_NAME "elf32-ntradbigmips" | |
2410 | ||
4301eeb1 | 2411 | #define ELF_MAXPAGESIZE 0x10000 |
7fd91fe0 | 2412 | #define ELF_COMMONPAGESIZE 0x1000 |
4301eeb1 MR |
2413 | #define elf32_bed elf32_tradbed |
2414 | ||
8a397dad TS |
2415 | /* Include the target file again for this target. */ |
2416 | #include "elf32-target.h" |