Commit | Line | Data |
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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_jump_reloc |
11a2be4d | 65 | (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); |
8a397dad | 66 | static bfd_reloc_status_type mips16_gprel_reloc |
11a2be4d | 67 | (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); |
8a397dad | 68 | static reloc_howto_type *bfd_elf32_bfd_reloc_type_lookup |
11a2be4d | 69 | (bfd *, bfd_reloc_code_real_type); |
8a397dad | 70 | static reloc_howto_type *mips_elf_n32_rtype_to_howto |
11a2be4d | 71 | (unsigned int, bfd_boolean); |
8a397dad | 72 | static void mips_info_to_howto_rel |
11a2be4d | 73 | (bfd *, arelent *, Elf_Internal_Rela *); |
8a397dad | 74 | static void mips_info_to_howto_rela |
11a2be4d | 75 | (bfd *, arelent *, Elf_Internal_Rela *); |
b34976b6 | 76 | static bfd_boolean mips_elf_sym_is_global |
11a2be4d | 77 | (bfd *, asymbol *); |
b34976b6 | 78 | static bfd_boolean mips_elf_n32_object_p |
11a2be4d | 79 | (bfd *); |
b34976b6 | 80 | static bfd_boolean elf32_mips_grok_prstatus |
11a2be4d | 81 | (bfd *, Elf_Internal_Note *); |
b34976b6 | 82 | static bfd_boolean elf32_mips_grok_psinfo |
11a2be4d | 83 | (bfd *, Elf_Internal_Note *); |
8a397dad | 84 | static irix_compat_t elf_n32_mips_irix_compat |
11a2be4d | 85 | (bfd *); |
8a397dad TS |
86 | |
87 | extern const bfd_target bfd_elf32_nbigmips_vec; | |
88 | extern const bfd_target bfd_elf32_nlittlemips_vec; | |
89 | ||
8a397dad TS |
90 | /* Nonzero if ABFD is using the N32 ABI. */ |
91 | #define ABI_N32_P(abfd) \ | |
92 | ((elf_elfheader (abfd)->e_flags & EF_MIPS_ABI2) != 0) | |
93 | ||
94 | /* Whether we are trying to be compatible with IRIX at all. */ | |
95 | #define SGI_COMPAT(abfd) \ | |
96 | (elf_n32_mips_irix_compat (abfd) != ict_none) | |
97 | ||
98 | /* The number of local .got entries we reserve. */ | |
99 | #define MIPS_RESERVED_GOTNO (2) | |
100 | ||
101 | /* In case we're on a 32-bit machine, construct a 64-bit "-1" value | |
102 | from smaller values. Start with zero, widen, *then* decrement. */ | |
103 | #define MINUS_ONE (((bfd_vma)0) - 1) | |
104 | ||
105 | /* The relocation table used for SHT_REL sections. */ | |
106 | ||
107 | static reloc_howto_type elf_mips_howto_table_rel[] = | |
108 | { | |
109 | /* No relocation. */ | |
110 | HOWTO (R_MIPS_NONE, /* type */ | |
111 | 0, /* rightshift */ | |
112 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
113 | 0, /* bitsize */ | |
b34976b6 | 114 | FALSE, /* pc_relative */ |
8a397dad TS |
115 | 0, /* bitpos */ |
116 | complain_overflow_dont, /* complain_on_overflow */ | |
30ac9238 | 117 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 118 | "R_MIPS_NONE", /* name */ |
b34976b6 | 119 | FALSE, /* partial_inplace */ |
8a397dad TS |
120 | 0, /* src_mask */ |
121 | 0, /* dst_mask */ | |
b34976b6 | 122 | FALSE), /* pcrel_offset */ |
8a397dad TS |
123 | |
124 | /* 16 bit relocation. */ | |
125 | HOWTO (R_MIPS_16, /* type */ | |
126 | 0, /* rightshift */ | |
127 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
128 | 16, /* bitsize */ | |
b34976b6 | 129 | FALSE, /* pc_relative */ |
8a397dad TS |
130 | 0, /* bitpos */ |
131 | complain_overflow_signed, /* complain_on_overflow */ | |
30ac9238 | 132 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 133 | "R_MIPS_16", /* name */ |
b34976b6 | 134 | TRUE, /* partial_inplace */ |
8a397dad TS |
135 | 0x0000ffff, /* src_mask */ |
136 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 137 | FALSE), /* pcrel_offset */ |
8a397dad TS |
138 | |
139 | /* 32 bit relocation. */ | |
140 | HOWTO (R_MIPS_32, /* type */ | |
141 | 0, /* rightshift */ | |
142 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
143 | 32, /* bitsize */ | |
b34976b6 | 144 | FALSE, /* pc_relative */ |
8a397dad TS |
145 | 0, /* bitpos */ |
146 | complain_overflow_dont, /* complain_on_overflow */ | |
30ac9238 | 147 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 148 | "R_MIPS_32", /* name */ |
b34976b6 | 149 | TRUE, /* partial_inplace */ |
8a397dad TS |
150 | 0xffffffff, /* src_mask */ |
151 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 152 | FALSE), /* pcrel_offset */ |
8a397dad TS |
153 | |
154 | /* 32 bit symbol relative relocation. */ | |
155 | HOWTO (R_MIPS_REL32, /* type */ | |
156 | 0, /* rightshift */ | |
157 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
158 | 32, /* bitsize */ | |
b34976b6 | 159 | FALSE, /* pc_relative */ |
8a397dad TS |
160 | 0, /* bitpos */ |
161 | complain_overflow_dont, /* complain_on_overflow */ | |
30ac9238 | 162 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 163 | "R_MIPS_REL32", /* name */ |
b34976b6 | 164 | TRUE, /* partial_inplace */ |
8a397dad TS |
165 | 0xffffffff, /* src_mask */ |
166 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 167 | FALSE), /* pcrel_offset */ |
8a397dad TS |
168 | |
169 | /* 26 bit jump address. */ | |
170 | HOWTO (R_MIPS_26, /* type */ | |
171 | 2, /* rightshift */ | |
172 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
173 | 26, /* bitsize */ | |
b34976b6 | 174 | FALSE, /* pc_relative */ |
8a397dad TS |
175 | 0, /* bitpos */ |
176 | complain_overflow_dont, /* complain_on_overflow */ | |
177 | /* This needs complex overflow | |
178 | detection, because the upper four | |
179 | bits must match the PC + 4. */ | |
30ac9238 | 180 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 181 | "R_MIPS_26", /* name */ |
b34976b6 | 182 | TRUE, /* partial_inplace */ |
8a397dad TS |
183 | 0x03ffffff, /* src_mask */ |
184 | 0x03ffffff, /* dst_mask */ | |
b34976b6 | 185 | FALSE), /* pcrel_offset */ |
8a397dad TS |
186 | |
187 | /* R_MIPS_HI16 and R_MIPS_LO16 are unsupported for NewABI REL. | |
188 | However, the native IRIX6 tools use them, so we try our best. */ | |
189 | ||
190 | /* High 16 bits of symbol value. */ | |
191 | HOWTO (R_MIPS_HI16, /* type */ | |
30ac9238 | 192 | 16, /* rightshift */ |
8a397dad TS |
193 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
194 | 16, /* bitsize */ | |
b34976b6 | 195 | FALSE, /* pc_relative */ |
8a397dad TS |
196 | 0, /* bitpos */ |
197 | complain_overflow_dont, /* complain_on_overflow */ | |
30ac9238 | 198 | _bfd_mips_elf_hi16_reloc, /* special_function */ |
8a397dad | 199 | "R_MIPS_HI16", /* name */ |
b34976b6 | 200 | TRUE, /* partial_inplace */ |
8a397dad TS |
201 | 0x0000ffff, /* src_mask */ |
202 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 203 | FALSE), /* pcrel_offset */ |
8a397dad TS |
204 | |
205 | /* Low 16 bits of symbol value. */ | |
206 | HOWTO (R_MIPS_LO16, /* type */ | |
207 | 0, /* rightshift */ | |
208 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
209 | 16, /* bitsize */ | |
b34976b6 | 210 | FALSE, /* pc_relative */ |
8a397dad TS |
211 | 0, /* bitpos */ |
212 | complain_overflow_dont, /* complain_on_overflow */ | |
30ac9238 | 213 | _bfd_mips_elf_lo16_reloc, /* special_function */ |
8a397dad | 214 | "R_MIPS_LO16", /* name */ |
b34976b6 | 215 | TRUE, /* partial_inplace */ |
8a397dad TS |
216 | 0x0000ffff, /* src_mask */ |
217 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 218 | FALSE), /* pcrel_offset */ |
8a397dad TS |
219 | |
220 | /* GP relative reference. */ | |
221 | HOWTO (R_MIPS_GPREL16, /* type */ | |
222 | 0, /* rightshift */ | |
223 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
224 | 16, /* bitsize */ | |
b34976b6 | 225 | FALSE, /* pc_relative */ |
8a397dad TS |
226 | 0, /* bitpos */ |
227 | complain_overflow_signed, /* complain_on_overflow */ | |
228 | mips_elf_gprel16_reloc, /* special_function */ | |
229 | "R_MIPS_GPREL16", /* name */ | |
b34976b6 | 230 | TRUE, /* partial_inplace */ |
8a397dad TS |
231 | 0x0000ffff, /* src_mask */ |
232 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 233 | FALSE), /* pcrel_offset */ |
8a397dad TS |
234 | |
235 | /* Reference to literal section. */ | |
236 | HOWTO (R_MIPS_LITERAL, /* type */ | |
237 | 0, /* rightshift */ | |
238 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
239 | 16, /* bitsize */ | |
b34976b6 | 240 | FALSE, /* pc_relative */ |
8a397dad TS |
241 | 0, /* bitpos */ |
242 | complain_overflow_signed, /* complain_on_overflow */ | |
243 | mips_elf_literal_reloc, /* special_function */ | |
244 | "R_MIPS_LITERAL", /* name */ | |
b34976b6 | 245 | TRUE, /* partial_inplace */ |
8a397dad TS |
246 | 0x0000ffff, /* src_mask */ |
247 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 248 | FALSE), /* pcrel_offset */ |
8a397dad TS |
249 | |
250 | /* Reference to global offset table. */ | |
251 | HOWTO (R_MIPS_GOT16, /* type */ | |
252 | 0, /* rightshift */ | |
253 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
254 | 16, /* bitsize */ | |
b34976b6 | 255 | FALSE, /* pc_relative */ |
8a397dad TS |
256 | 0, /* bitpos */ |
257 | complain_overflow_signed, /* complain_on_overflow */ | |
30ac9238 | 258 | _bfd_mips_elf_got16_reloc, /* special_function */ |
8a397dad | 259 | "R_MIPS_GOT16", /* name */ |
b34976b6 | 260 | TRUE, /* partial_inplace */ |
8a397dad TS |
261 | 0x0000ffff, /* src_mask */ |
262 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 263 | FALSE), /* pcrel_offset */ |
8a397dad | 264 | |
0b25d3e6 | 265 | /* 16 bit PC relative reference. */ |
8a397dad | 266 | HOWTO (R_MIPS_PC16, /* type */ |
0b25d3e6 | 267 | 0, /* 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 */ | |
8a397dad TS |
757 | }; |
758 | ||
759 | /* The relocation table used for SHT_RELA sections. */ | |
760 | ||
761 | static reloc_howto_type elf_mips_howto_table_rela[] = | |
762 | { | |
763 | /* No relocation. */ | |
764 | HOWTO (R_MIPS_NONE, /* type */ | |
765 | 0, /* rightshift */ | |
766 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
767 | 0, /* bitsize */ | |
b34976b6 | 768 | FALSE, /* pc_relative */ |
8a397dad TS |
769 | 0, /* bitpos */ |
770 | complain_overflow_dont, /* complain_on_overflow */ | |
30ac9238 | 771 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 772 | "R_MIPS_NONE", /* name */ |
b34976b6 | 773 | FALSE, /* partial_inplace */ |
8a397dad TS |
774 | 0, /* src_mask */ |
775 | 0, /* dst_mask */ | |
b34976b6 | 776 | FALSE), /* pcrel_offset */ |
8a397dad TS |
777 | |
778 | /* 16 bit relocation. */ | |
779 | HOWTO (R_MIPS_16, /* type */ | |
780 | 0, /* rightshift */ | |
781 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
782 | 16, /* bitsize */ | |
b34976b6 | 783 | FALSE, /* pc_relative */ |
8a397dad TS |
784 | 0, /* bitpos */ |
785 | complain_overflow_signed, /* complain_on_overflow */ | |
30ac9238 | 786 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 787 | "R_MIPS_16", /* name */ |
b34976b6 | 788 | FALSE, /* partial_inplace */ |
8a397dad TS |
789 | 0, /* src_mask */ |
790 | 0x0000, /* dst_mask */ | |
b34976b6 | 791 | FALSE), /* pcrel_offset */ |
8a397dad TS |
792 | |
793 | /* 32 bit relocation. */ | |
794 | HOWTO (R_MIPS_32, /* type */ | |
795 | 0, /* rightshift */ | |
796 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
797 | 32, /* bitsize */ | |
b34976b6 | 798 | FALSE, /* pc_relative */ |
8a397dad TS |
799 | 0, /* bitpos */ |
800 | complain_overflow_dont, /* complain_on_overflow */ | |
30ac9238 | 801 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 802 | "R_MIPS_32", /* name */ |
b34976b6 | 803 | FALSE, /* partial_inplace */ |
8a397dad TS |
804 | 0, /* src_mask */ |
805 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 806 | FALSE), /* pcrel_offset */ |
8a397dad TS |
807 | |
808 | /* 32 bit symbol relative relocation. */ | |
809 | HOWTO (R_MIPS_REL32, /* 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_REL32", /* 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 | /* 26 bit jump address. */ | |
824 | HOWTO (R_MIPS_26, /* type */ | |
825 | 2, /* rightshift */ | |
826 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
827 | 26, /* bitsize */ | |
b34976b6 | 828 | FALSE, /* pc_relative */ |
8a397dad TS |
829 | 0, /* bitpos */ |
830 | complain_overflow_dont, /* complain_on_overflow */ | |
831 | /* This needs complex overflow | |
832 | detection, because the upper 36 | |
833 | bits must match the PC + 4. */ | |
30ac9238 | 834 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 835 | "R_MIPS_26", /* name */ |
b34976b6 | 836 | FALSE, /* partial_inplace */ |
8a397dad TS |
837 | 0, /* src_mask */ |
838 | 0x03ffffff, /* dst_mask */ | |
b34976b6 | 839 | FALSE), /* pcrel_offset */ |
8a397dad TS |
840 | |
841 | /* High 16 bits of symbol value. */ | |
842 | HOWTO (R_MIPS_HI16, /* type */ | |
843 | 0, /* rightshift */ | |
844 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
845 | 16, /* bitsize */ | |
b34976b6 | 846 | FALSE, /* pc_relative */ |
8a397dad TS |
847 | 0, /* bitpos */ |
848 | complain_overflow_dont, /* complain_on_overflow */ | |
30ac9238 | 849 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 850 | "R_MIPS_HI16", /* name */ |
b34976b6 | 851 | FALSE, /* partial_inplace */ |
8a397dad TS |
852 | 0, /* src_mask */ |
853 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 854 | FALSE), /* pcrel_offset */ |
8a397dad TS |
855 | |
856 | /* Low 16 bits of symbol value. */ | |
857 | HOWTO (R_MIPS_LO16, /* 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_LO16", /* 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 | /* GP relative reference. */ | |
872 | HOWTO (R_MIPS_GPREL16, /* 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_signed, /* complain_on_overflow */ | |
879 | mips_elf_gprel16_reloc, /* special_function */ | |
880 | "R_MIPS_GPREL16", /* 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 | /* Reference to literal section. */ | |
887 | HOWTO (R_MIPS_LITERAL, /* 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_literal_reloc, /* special_function */ | |
895 | "R_MIPS_LITERAL", /* 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 global offset table. */ | |
902 | HOWTO (R_MIPS_GOT16, /* 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 */ | |
30ac9238 | 909 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 910 | "R_MIPS_GOT16", /* name */ |
b34976b6 | 911 | FALSE, /* partial_inplace */ |
8a397dad TS |
912 | 0, /* src_mask */ |
913 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 914 | FALSE), /* pcrel_offset */ |
8a397dad | 915 | |
0b25d3e6 | 916 | /* 16 bit PC relative reference. */ |
8a397dad | 917 | HOWTO (R_MIPS_PC16, /* type */ |
0b25d3e6 | 918 | 0, /* rightshift */ |
8a397dad TS |
919 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
920 | 16, /* bitsize */ | |
b34976b6 | 921 | TRUE, /* 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_PC16", /* name */ |
b34976b6 | 926 | FALSE, /* partial_inplace */ |
8a397dad TS |
927 | 0, /* src_mask */ |
928 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 929 | TRUE), /* pcrel_offset */ |
8a397dad TS |
930 | |
931 | /* 16 bit call through global offset table. */ | |
932 | HOWTO (R_MIPS_CALL16, /* type */ | |
933 | 0, /* rightshift */ | |
934 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
935 | 16, /* bitsize */ | |
b34976b6 | 936 | FALSE, /* pc_relative */ |
8a397dad TS |
937 | 0, /* bitpos */ |
938 | complain_overflow_signed, /* complain_on_overflow */ | |
30ac9238 | 939 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 940 | "R_MIPS_CALL16", /* name */ |
b34976b6 | 941 | FALSE, /* partial_inplace */ |
8a397dad TS |
942 | 0, /* src_mask */ |
943 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 944 | FALSE), /* pcrel_offset */ |
8a397dad TS |
945 | |
946 | /* 32 bit GP relative reference. */ | |
947 | HOWTO (R_MIPS_GPREL32, /* type */ | |
948 | 0, /* rightshift */ | |
949 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
950 | 32, /* bitsize */ | |
b34976b6 | 951 | FALSE, /* pc_relative */ |
8a397dad TS |
952 | 0, /* bitpos */ |
953 | complain_overflow_dont, /* complain_on_overflow */ | |
954 | mips_elf_gprel32_reloc, /* special_function */ | |
955 | "R_MIPS_GPREL32", /* name */ | |
b34976b6 | 956 | FALSE, /* partial_inplace */ |
8a397dad TS |
957 | 0, /* src_mask */ |
958 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 959 | FALSE), /* pcrel_offset */ |
8a397dad TS |
960 | |
961 | EMPTY_HOWTO (13), | |
962 | EMPTY_HOWTO (14), | |
963 | EMPTY_HOWTO (15), | |
964 | ||
965 | /* A 5 bit shift field. */ | |
966 | HOWTO (R_MIPS_SHIFT5, /* type */ | |
967 | 0, /* rightshift */ | |
968 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
969 | 5, /* bitsize */ | |
b34976b6 | 970 | FALSE, /* pc_relative */ |
8a397dad TS |
971 | 6, /* bitpos */ |
972 | complain_overflow_bitfield, /* complain_on_overflow */ | |
30ac9238 | 973 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 974 | "R_MIPS_SHIFT5", /* name */ |
b34976b6 | 975 | FALSE, /* partial_inplace */ |
8a397dad TS |
976 | 0, /* src_mask */ |
977 | 0x000007c0, /* dst_mask */ | |
b34976b6 | 978 | FALSE), /* pcrel_offset */ |
8a397dad TS |
979 | |
980 | /* A 6 bit shift field. */ | |
981 | HOWTO (R_MIPS_SHIFT6, /* type */ | |
982 | 0, /* rightshift */ | |
983 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
984 | 6, /* bitsize */ | |
b34976b6 | 985 | FALSE, /* pc_relative */ |
8a397dad TS |
986 | 6, /* bitpos */ |
987 | complain_overflow_bitfield, /* complain_on_overflow */ | |
988 | mips_elf_shift6_reloc, /* special_function */ | |
989 | "R_MIPS_SHIFT6", /* name */ | |
b34976b6 | 990 | FALSE, /* partial_inplace */ |
8a397dad TS |
991 | 0, /* src_mask */ |
992 | 0x000007c4, /* dst_mask */ | |
b34976b6 | 993 | FALSE), /* pcrel_offset */ |
8a397dad TS |
994 | |
995 | /* 64 bit relocation. */ | |
996 | HOWTO (R_MIPS_64, /* type */ | |
997 | 0, /* rightshift */ | |
998 | 4, /* size (0 = byte, 1 = short, 2 = long) */ | |
999 | 64, /* bitsize */ | |
b34976b6 | 1000 | FALSE, /* pc_relative */ |
8a397dad TS |
1001 | 0, /* bitpos */ |
1002 | complain_overflow_dont, /* complain_on_overflow */ | |
30ac9238 | 1003 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 1004 | "R_MIPS_64", /* name */ |
b34976b6 | 1005 | FALSE, /* partial_inplace */ |
8a397dad TS |
1006 | 0, /* src_mask */ |
1007 | MINUS_ONE, /* dst_mask */ | |
b34976b6 | 1008 | FALSE), /* pcrel_offset */ |
8a397dad TS |
1009 | |
1010 | /* Displacement in the global offset table. */ | |
1011 | HOWTO (R_MIPS_GOT_DISP, /* type */ | |
1012 | 0, /* rightshift */ | |
1013 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1014 | 16, /* bitsize */ | |
b34976b6 | 1015 | FALSE, /* pc_relative */ |
8a397dad TS |
1016 | 0, /* bitpos */ |
1017 | complain_overflow_signed, /* complain_on_overflow */ | |
30ac9238 | 1018 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 1019 | "R_MIPS_GOT_DISP", /* name */ |
b34976b6 | 1020 | FALSE, /* partial_inplace */ |
8a397dad TS |
1021 | 0, /* src_mask */ |
1022 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 1023 | FALSE), /* pcrel_offset */ |
8a397dad TS |
1024 | |
1025 | /* Displacement to page pointer in the global offset table. */ | |
1026 | HOWTO (R_MIPS_GOT_PAGE, /* type */ | |
1027 | 0, /* rightshift */ | |
1028 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1029 | 16, /* bitsize */ | |
b34976b6 | 1030 | FALSE, /* pc_relative */ |
8a397dad TS |
1031 | 0, /* bitpos */ |
1032 | complain_overflow_signed, /* complain_on_overflow */ | |
30ac9238 | 1033 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 1034 | "R_MIPS_GOT_PAGE", /* name */ |
b34976b6 | 1035 | FALSE, /* partial_inplace */ |
8a397dad TS |
1036 | 0, /* src_mask */ |
1037 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 1038 | FALSE), /* pcrel_offset */ |
8a397dad TS |
1039 | |
1040 | /* Offset from page pointer in the global offset table. */ | |
1041 | HOWTO (R_MIPS_GOT_OFST, /* type */ | |
1042 | 0, /* rightshift */ | |
1043 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1044 | 16, /* bitsize */ | |
b34976b6 | 1045 | FALSE, /* pc_relative */ |
8a397dad TS |
1046 | 0, /* bitpos */ |
1047 | complain_overflow_signed, /* complain_on_overflow */ | |
30ac9238 | 1048 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 1049 | "R_MIPS_GOT_OFST", /* name */ |
b34976b6 | 1050 | FALSE, /* partial_inplace */ |
8a397dad TS |
1051 | 0, /* src_mask */ |
1052 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 1053 | FALSE), /* pcrel_offset */ |
8a397dad TS |
1054 | |
1055 | /* High 16 bits of displacement in global offset table. */ | |
1056 | HOWTO (R_MIPS_GOT_HI16, /* type */ | |
1057 | 0, /* rightshift */ | |
1058 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1059 | 16, /* bitsize */ | |
b34976b6 | 1060 | FALSE, /* pc_relative */ |
8a397dad TS |
1061 | 0, /* bitpos */ |
1062 | complain_overflow_dont, /* complain_on_overflow */ | |
30ac9238 | 1063 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 1064 | "R_MIPS_GOT_HI16", /* name */ |
b34976b6 | 1065 | FALSE, /* partial_inplace */ |
8a397dad TS |
1066 | 0, /* src_mask */ |
1067 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 1068 | FALSE), /* pcrel_offset */ |
8a397dad TS |
1069 | |
1070 | /* Low 16 bits of displacement in global offset table. */ | |
1071 | HOWTO (R_MIPS_GOT_LO16, /* type */ | |
1072 | 0, /* rightshift */ | |
1073 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1074 | 16, /* bitsize */ | |
b34976b6 | 1075 | FALSE, /* pc_relative */ |
8a397dad TS |
1076 | 0, /* bitpos */ |
1077 | complain_overflow_dont, /* complain_on_overflow */ | |
30ac9238 | 1078 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 1079 | "R_MIPS_GOT_LO16", /* name */ |
b34976b6 | 1080 | FALSE, /* partial_inplace */ |
8a397dad TS |
1081 | 0, /* src_mask */ |
1082 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 1083 | FALSE), /* pcrel_offset */ |
8a397dad | 1084 | |
4cc11e76 | 1085 | /* 64 bit subtraction. */ |
8a397dad TS |
1086 | HOWTO (R_MIPS_SUB, /* type */ |
1087 | 0, /* rightshift */ | |
1088 | 4, /* size (0 = byte, 1 = short, 2 = long) */ | |
1089 | 64, /* bitsize */ | |
b34976b6 | 1090 | FALSE, /* pc_relative */ |
8a397dad TS |
1091 | 0, /* bitpos */ |
1092 | complain_overflow_dont, /* complain_on_overflow */ | |
30ac9238 | 1093 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 1094 | "R_MIPS_SUB", /* name */ |
b34976b6 | 1095 | FALSE, /* partial_inplace */ |
8a397dad TS |
1096 | 0, /* src_mask */ |
1097 | MINUS_ONE, /* dst_mask */ | |
b34976b6 | 1098 | FALSE), /* pcrel_offset */ |
8a397dad TS |
1099 | |
1100 | /* Insert the addend as an instruction. */ | |
1101 | /* FIXME: Not handled correctly. */ | |
1102 | HOWTO (R_MIPS_INSERT_A, /* type */ | |
1103 | 0, /* rightshift */ | |
1104 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1105 | 32, /* bitsize */ | |
b34976b6 | 1106 | FALSE, /* pc_relative */ |
8a397dad TS |
1107 | 0, /* bitpos */ |
1108 | complain_overflow_dont, /* complain_on_overflow */ | |
30ac9238 | 1109 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 1110 | "R_MIPS_INSERT_A", /* name */ |
b34976b6 | 1111 | FALSE, /* partial_inplace */ |
8a397dad TS |
1112 | 0, /* src_mask */ |
1113 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 1114 | FALSE), /* pcrel_offset */ |
8a397dad TS |
1115 | |
1116 | /* Insert the addend as an instruction, and change all relocations | |
1117 | to refer to the old instruction at the address. */ | |
1118 | /* FIXME: Not handled correctly. */ | |
1119 | HOWTO (R_MIPS_INSERT_B, /* 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_B", /* 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 | /* Delete a 32 bit instruction. */ | |
1134 | /* FIXME: Not handled correctly. */ | |
1135 | HOWTO (R_MIPS_DELETE, /* type */ | |
1136 | 0, /* rightshift */ | |
1137 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1138 | 32, /* bitsize */ | |
b34976b6 | 1139 | FALSE, /* pc_relative */ |
8a397dad TS |
1140 | 0, /* bitpos */ |
1141 | complain_overflow_dont, /* complain_on_overflow */ | |
30ac9238 | 1142 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 1143 | "R_MIPS_DELETE", /* name */ |
b34976b6 | 1144 | FALSE, /* partial_inplace */ |
8a397dad TS |
1145 | 0, /* src_mask */ |
1146 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 1147 | FALSE), /* pcrel_offset */ |
8a397dad TS |
1148 | |
1149 | /* Get the higher value of a 64 bit addend. */ | |
1150 | HOWTO (R_MIPS_HIGHER, /* type */ | |
1151 | 0, /* rightshift */ | |
1152 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1153 | 16, /* bitsize */ | |
b34976b6 | 1154 | FALSE, /* pc_relative */ |
8a397dad TS |
1155 | 0, /* bitpos */ |
1156 | complain_overflow_dont, /* complain_on_overflow */ | |
30ac9238 | 1157 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 1158 | "R_MIPS_HIGHER", /* name */ |
b34976b6 | 1159 | FALSE, /* partial_inplace */ |
8a397dad TS |
1160 | 0, /* src_mask */ |
1161 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 1162 | FALSE), /* pcrel_offset */ |
8a397dad TS |
1163 | |
1164 | /* Get the highest value of a 64 bit addend. */ | |
1165 | HOWTO (R_MIPS_HIGHEST, /* type */ | |
1166 | 0, /* rightshift */ | |
1167 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1168 | 16, /* bitsize */ | |
b34976b6 | 1169 | FALSE, /* pc_relative */ |
8a397dad TS |
1170 | 0, /* bitpos */ |
1171 | complain_overflow_dont, /* complain_on_overflow */ | |
30ac9238 | 1172 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 1173 | "R_MIPS_HIGHEST", /* name */ |
b34976b6 | 1174 | FALSE, /* partial_inplace */ |
8a397dad TS |
1175 | 0, /* src_mask */ |
1176 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 1177 | FALSE), /* pcrel_offset */ |
8a397dad TS |
1178 | |
1179 | /* High 16 bits of displacement in global offset table. */ | |
1180 | HOWTO (R_MIPS_CALL_HI16, /* type */ | |
1181 | 0, /* rightshift */ | |
1182 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1183 | 16, /* bitsize */ | |
b34976b6 | 1184 | FALSE, /* pc_relative */ |
8a397dad TS |
1185 | 0, /* bitpos */ |
1186 | complain_overflow_dont, /* complain_on_overflow */ | |
30ac9238 | 1187 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 1188 | "R_MIPS_CALL_HI16", /* name */ |
b34976b6 | 1189 | FALSE, /* partial_inplace */ |
8a397dad TS |
1190 | 0, /* src_mask */ |
1191 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 1192 | FALSE), /* pcrel_offset */ |
8a397dad TS |
1193 | |
1194 | /* Low 16 bits of displacement in global offset table. */ | |
1195 | HOWTO (R_MIPS_CALL_LO16, /* type */ | |
1196 | 0, /* rightshift */ | |
1197 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1198 | 16, /* bitsize */ | |
b34976b6 | 1199 | FALSE, /* pc_relative */ |
8a397dad TS |
1200 | 0, /* bitpos */ |
1201 | complain_overflow_dont, /* complain_on_overflow */ | |
30ac9238 | 1202 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 1203 | "R_MIPS_CALL_LO16", /* name */ |
b34976b6 | 1204 | FALSE, /* partial_inplace */ |
8a397dad TS |
1205 | 0, /* src_mask */ |
1206 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 1207 | FALSE), /* pcrel_offset */ |
8a397dad TS |
1208 | |
1209 | /* Section displacement, used by an associated event location section. */ | |
1210 | HOWTO (R_MIPS_SCN_DISP, /* type */ | |
1211 | 0, /* rightshift */ | |
1212 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1213 | 32, /* bitsize */ | |
b34976b6 | 1214 | FALSE, /* pc_relative */ |
8a397dad TS |
1215 | 0, /* bitpos */ |
1216 | complain_overflow_dont, /* complain_on_overflow */ | |
30ac9238 | 1217 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 1218 | "R_MIPS_SCN_DISP", /* name */ |
b34976b6 | 1219 | FALSE, /* partial_inplace */ |
8a397dad TS |
1220 | 0, /* src_mask */ |
1221 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 1222 | FALSE), /* pcrel_offset */ |
8a397dad TS |
1223 | |
1224 | /* 16 bit relocation. */ | |
1225 | HOWTO (R_MIPS_REL16, /* type */ | |
1226 | 0, /* rightshift */ | |
1227 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
1228 | 16, /* bitsize */ | |
b34976b6 | 1229 | FALSE, /* pc_relative */ |
8a397dad TS |
1230 | 0, /* bitpos */ |
1231 | complain_overflow_signed, /* complain_on_overflow */ | |
30ac9238 | 1232 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 1233 | "R_MIPS_REL16", /* name */ |
b34976b6 | 1234 | FALSE, /* partial_inplace */ |
8a397dad TS |
1235 | 0, /* src_mask */ |
1236 | 0xffff, /* dst_mask */ | |
b34976b6 | 1237 | FALSE), /* pcrel_offset */ |
8a397dad TS |
1238 | |
1239 | /* These two are obsolete. */ | |
1240 | EMPTY_HOWTO (R_MIPS_ADD_IMMEDIATE), | |
1241 | EMPTY_HOWTO (R_MIPS_PJUMP), | |
1242 | ||
1243 | /* Similiar to R_MIPS_REL32, but used for relocations in a GOT section. | |
1244 | It must be used for multigot GOT's (and only there). */ | |
1245 | HOWTO (R_MIPS_RELGOT, /* type */ | |
1246 | 0, /* rightshift */ | |
1247 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1248 | 32, /* bitsize */ | |
b34976b6 | 1249 | FALSE, /* pc_relative */ |
8a397dad TS |
1250 | 0, /* bitpos */ |
1251 | complain_overflow_dont, /* complain_on_overflow */ | |
30ac9238 | 1252 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 1253 | "R_MIPS_RELGOT", /* name */ |
b34976b6 | 1254 | FALSE, /* partial_inplace */ |
8a397dad TS |
1255 | 0, /* src_mask */ |
1256 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 1257 | FALSE), /* pcrel_offset */ |
8a397dad TS |
1258 | |
1259 | /* Protected jump conversion. This is an optimization hint. No | |
1260 | relocation is required for correctness. */ | |
1261 | HOWTO (R_MIPS_JALR, /* type */ | |
1262 | 0, /* rightshift */ | |
1263 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1264 | 32, /* bitsize */ | |
b34976b6 | 1265 | FALSE, /* pc_relative */ |
8a397dad TS |
1266 | 0, /* bitpos */ |
1267 | complain_overflow_dont, /* complain_on_overflow */ | |
30ac9238 | 1268 | _bfd_mips_elf_generic_reloc, /* special_function */ |
8a397dad | 1269 | "R_MIPS_JALR", /* name */ |
b34976b6 | 1270 | FALSE, /* partial_inplace */ |
8a397dad | 1271 | 0, /* src_mask */ |
74f79d8d | 1272 | 0, /* dst_mask */ |
b34976b6 | 1273 | FALSE), /* pcrel_offset */ |
0f20cc35 DJ |
1274 | |
1275 | /* TLS GD/LD dynamic relocations. */ | |
1276 | HOWTO (R_MIPS_TLS_DTPMOD32, /* type */ | |
1277 | 0, /* rightshift */ | |
1278 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1279 | 32, /* bitsize */ | |
1280 | FALSE, /* pc_relative */ | |
1281 | 0, /* bitpos */ | |
1282 | complain_overflow_dont, /* complain_on_overflow */ | |
1283 | _bfd_mips_elf_generic_reloc, /* special_function */ | |
1284 | "R_MIPS_TLS_DTPMOD32", /* name */ | |
1285 | TRUE, /* partial_inplace */ | |
1286 | 0xffffffff, /* src_mask */ | |
1287 | 0xffffffff, /* dst_mask */ | |
1288 | FALSE), /* pcrel_offset */ | |
1289 | ||
1290 | HOWTO (R_MIPS_TLS_DTPREL32, /* type */ | |
1291 | 0, /* rightshift */ | |
1292 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1293 | 32, /* bitsize */ | |
1294 | FALSE, /* pc_relative */ | |
1295 | 0, /* bitpos */ | |
1296 | complain_overflow_dont, /* complain_on_overflow */ | |
1297 | _bfd_mips_elf_generic_reloc, /* special_function */ | |
1298 | "R_MIPS_TLS_DTPREL32", /* name */ | |
1299 | TRUE, /* partial_inplace */ | |
1300 | 0xffffffff, /* src_mask */ | |
1301 | 0xffffffff, /* dst_mask */ | |
1302 | FALSE), /* pcrel_offset */ | |
1303 | ||
1304 | EMPTY_HOWTO (R_MIPS_TLS_DTPMOD64), | |
1305 | EMPTY_HOWTO (R_MIPS_TLS_DTPREL64), | |
1306 | ||
1307 | /* TLS general dynamic variable reference. */ | |
1308 | HOWTO (R_MIPS_TLS_GD, /* type */ | |
1309 | 0, /* rightshift */ | |
1310 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1311 | 16, /* bitsize */ | |
1312 | FALSE, /* pc_relative */ | |
1313 | 0, /* bitpos */ | |
1314 | complain_overflow_signed, /* complain_on_overflow */ | |
1315 | _bfd_mips_elf_generic_reloc, /* special_function */ | |
1316 | "R_MIPS_TLS_GD", /* name */ | |
1317 | TRUE, /* partial_inplace */ | |
1318 | 0x0000ffff, /* src_mask */ | |
1319 | 0x0000ffff, /* dst_mask */ | |
1320 | FALSE), /* pcrel_offset */ | |
1321 | ||
1322 | /* TLS local dynamic variable reference. */ | |
1323 | HOWTO (R_MIPS_TLS_LDM, /* type */ | |
1324 | 0, /* rightshift */ | |
1325 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1326 | 16, /* bitsize */ | |
1327 | FALSE, /* pc_relative */ | |
1328 | 0, /* bitpos */ | |
1329 | complain_overflow_signed, /* complain_on_overflow */ | |
1330 | _bfd_mips_elf_generic_reloc, /* special_function */ | |
1331 | "R_MIPS_TLS_LDM", /* name */ | |
1332 | TRUE, /* partial_inplace */ | |
1333 | 0x0000ffff, /* src_mask */ | |
1334 | 0x0000ffff, /* dst_mask */ | |
1335 | FALSE), /* pcrel_offset */ | |
1336 | ||
1337 | /* TLS local dynamic offset. */ | |
1338 | HOWTO (R_MIPS_TLS_DTPREL_HI16, /* type */ | |
1339 | 0, /* rightshift */ | |
1340 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1341 | 16, /* bitsize */ | |
1342 | FALSE, /* pc_relative */ | |
1343 | 0, /* bitpos */ | |
1344 | complain_overflow_signed, /* complain_on_overflow */ | |
1345 | _bfd_mips_elf_generic_reloc, /* special_function */ | |
1346 | "R_MIPS_TLS_DTPREL_HI16", /* name */ | |
1347 | TRUE, /* partial_inplace */ | |
1348 | 0x0000ffff, /* src_mask */ | |
1349 | 0x0000ffff, /* dst_mask */ | |
1350 | FALSE), /* pcrel_offset */ | |
1351 | ||
1352 | /* TLS local dynamic offset. */ | |
1353 | HOWTO (R_MIPS_TLS_DTPREL_LO16, /* type */ | |
1354 | 0, /* rightshift */ | |
1355 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1356 | 16, /* bitsize */ | |
1357 | FALSE, /* pc_relative */ | |
1358 | 0, /* bitpos */ | |
1359 | complain_overflow_signed, /* complain_on_overflow */ | |
1360 | _bfd_mips_elf_generic_reloc, /* special_function */ | |
1361 | "R_MIPS_TLS_DTPREL_LO16", /* name */ | |
1362 | TRUE, /* partial_inplace */ | |
1363 | 0x0000ffff, /* src_mask */ | |
1364 | 0x0000ffff, /* dst_mask */ | |
1365 | FALSE), /* pcrel_offset */ | |
1366 | ||
1367 | /* TLS thread pointer offset. */ | |
1368 | HOWTO (R_MIPS_TLS_GOTTPREL, /* type */ | |
1369 | 0, /* rightshift */ | |
1370 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1371 | 16, /* bitsize */ | |
1372 | FALSE, /* pc_relative */ | |
1373 | 0, /* bitpos */ | |
1374 | complain_overflow_signed, /* complain_on_overflow */ | |
1375 | _bfd_mips_elf_generic_reloc, /* special_function */ | |
1376 | "R_MIPS_TLS_GOTTPREL", /* name */ | |
1377 | TRUE, /* partial_inplace */ | |
1378 | 0x0000ffff, /* src_mask */ | |
1379 | 0x0000ffff, /* dst_mask */ | |
1380 | FALSE), /* pcrel_offset */ | |
1381 | ||
1382 | /* TLS IE dynamic relocations. */ | |
1383 | HOWTO (R_MIPS_TLS_TPREL32, /* type */ | |
1384 | 0, /* rightshift */ | |
1385 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1386 | 32, /* bitsize */ | |
1387 | FALSE, /* pc_relative */ | |
1388 | 0, /* bitpos */ | |
1389 | complain_overflow_dont, /* complain_on_overflow */ | |
1390 | _bfd_mips_elf_generic_reloc, /* special_function */ | |
1391 | "R_MIPS_TLS_TPREL32", /* name */ | |
1392 | TRUE, /* partial_inplace */ | |
1393 | 0xffffffff, /* src_mask */ | |
1394 | 0xffffffff, /* dst_mask */ | |
1395 | FALSE), /* pcrel_offset */ | |
1396 | ||
1397 | EMPTY_HOWTO (R_MIPS_TLS_TPREL64), | |
1398 | ||
1399 | /* TLS thread pointer offset. */ | |
1400 | HOWTO (R_MIPS_TLS_TPREL_HI16, /* type */ | |
1401 | 0, /* rightshift */ | |
1402 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1403 | 16, /* bitsize */ | |
1404 | FALSE, /* pc_relative */ | |
1405 | 0, /* bitpos */ | |
1406 | complain_overflow_signed, /* complain_on_overflow */ | |
1407 | _bfd_mips_elf_generic_reloc, /* special_function */ | |
1408 | "R_MIPS_TLS_TPREL_HI16", /* name */ | |
1409 | TRUE, /* partial_inplace */ | |
1410 | 0x0000ffff, /* src_mask */ | |
1411 | 0x0000ffff, /* dst_mask */ | |
1412 | FALSE), /* pcrel_offset */ | |
1413 | ||
1414 | /* TLS thread pointer offset. */ | |
1415 | HOWTO (R_MIPS_TLS_TPREL_LO16, /* type */ | |
1416 | 0, /* rightshift */ | |
1417 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1418 | 16, /* bitsize */ | |
1419 | FALSE, /* pc_relative */ | |
1420 | 0, /* bitpos */ | |
1421 | complain_overflow_signed, /* complain_on_overflow */ | |
1422 | _bfd_mips_elf_generic_reloc, /* special_function */ | |
1423 | "R_MIPS_TLS_TPREL_LO16", /* name */ | |
1424 | TRUE, /* partial_inplace */ | |
1425 | 0x0000ffff, /* src_mask */ | |
1426 | 0x0000ffff, /* dst_mask */ | |
1427 | FALSE), /* pcrel_offset */ | |
8a397dad TS |
1428 | }; |
1429 | ||
d6f16593 MR |
1430 | static reloc_howto_type elf_mips16_howto_table_rel[] = |
1431 | { | |
1432 | /* The reloc used for the mips16 jump instruction. */ | |
8a397dad TS |
1433 | HOWTO (R_MIPS16_26, /* type */ |
1434 | 2, /* rightshift */ | |
1435 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1436 | 26, /* bitsize */ | |
b34976b6 | 1437 | FALSE, /* pc_relative */ |
8a397dad TS |
1438 | 0, /* bitpos */ |
1439 | complain_overflow_dont, /* complain_on_overflow */ | |
1440 | /* This needs complex overflow | |
1441 | detection, because the upper four | |
1442 | bits must match the PC. */ | |
1443 | mips16_jump_reloc, /* special_function */ | |
1444 | "R_MIPS16_26", /* name */ | |
b34976b6 | 1445 | TRUE, /* partial_inplace */ |
8a397dad TS |
1446 | 0x3ffffff, /* src_mask */ |
1447 | 0x3ffffff, /* dst_mask */ | |
d6f16593 | 1448 | FALSE), /* pcrel_offset */ |
8a397dad | 1449 | |
d6f16593 | 1450 | /* The reloc used for the mips16 gprel instruction. */ |
8a397dad TS |
1451 | HOWTO (R_MIPS16_GPREL, /* type */ |
1452 | 0, /* rightshift */ | |
1453 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1454 | 16, /* bitsize */ | |
b34976b6 | 1455 | FALSE, /* pc_relative */ |
8a397dad TS |
1456 | 0, /* bitpos */ |
1457 | complain_overflow_signed, /* complain_on_overflow */ | |
1458 | mips16_gprel_reloc, /* special_function */ | |
1459 | "R_MIPS16_GPREL", /* name */ | |
b34976b6 | 1460 | TRUE, /* partial_inplace */ |
d6f16593 MR |
1461 | 0x0000ffff, /* src_mask */ |
1462 | 0x0000ffff, /* dst_mask */ | |
1463 | FALSE), /* pcrel_offset */ | |
1464 | ||
1465 | /* A placeholder for MIPS16 reference to global offset table. */ | |
1466 | EMPTY_HOWTO (R_MIPS16_GOT16), | |
1467 | ||
1468 | /* A placeholder for MIPS16 16 bit call through global offset table. */ | |
1469 | EMPTY_HOWTO (R_MIPS16_CALL16), | |
1470 | ||
1471 | /* MIPS16 high 16 bits of symbol value. */ | |
1472 | HOWTO (R_MIPS16_HI16, /* type */ | |
1473 | 16, /* rightshift */ | |
1474 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1475 | 16, /* bitsize */ | |
1476 | FALSE, /* pc_relative */ | |
1477 | 0, /* bitpos */ | |
1478 | complain_overflow_dont, /* complain_on_overflow */ | |
1479 | _bfd_mips_elf_hi16_reloc, /* special_function */ | |
1480 | "R_MIPS16_HI16", /* name */ | |
1481 | TRUE, /* partial_inplace */ | |
1482 | 0x0000ffff, /* src_mask */ | |
1483 | 0x0000ffff, /* dst_mask */ | |
1484 | FALSE), /* pcrel_offset */ | |
1485 | ||
1486 | /* MIPS16 low 16 bits of symbol value. */ | |
1487 | HOWTO (R_MIPS16_LO16, /* type */ | |
1488 | 0, /* rightshift */ | |
1489 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1490 | 16, /* bitsize */ | |
1491 | FALSE, /* pc_relative */ | |
1492 | 0, /* bitpos */ | |
1493 | complain_overflow_dont, /* complain_on_overflow */ | |
1494 | _bfd_mips_elf_lo16_reloc, /* special_function */ | |
1495 | "R_MIPS16_LO16", /* name */ | |
1496 | TRUE, /* partial_inplace */ | |
1497 | 0x0000ffff, /* src_mask */ | |
1498 | 0x0000ffff, /* dst_mask */ | |
1499 | FALSE), /* pcrel_offset */ | |
1500 | }; | |
1501 | ||
1502 | static reloc_howto_type elf_mips16_howto_table_rela[] = | |
1503 | { | |
1504 | /* The reloc used for the mips16 jump instruction. */ | |
1505 | HOWTO (R_MIPS16_26, /* type */ | |
1506 | 2, /* rightshift */ | |
1507 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1508 | 26, /* bitsize */ | |
1509 | FALSE, /* pc_relative */ | |
1510 | 0, /* bitpos */ | |
1511 | complain_overflow_dont, /* complain_on_overflow */ | |
1512 | /* This needs complex overflow | |
1513 | detection, because the upper four | |
1514 | bits must match the PC. */ | |
1515 | mips16_jump_reloc, /* special_function */ | |
1516 | "R_MIPS16_26", /* name */ | |
1517 | FALSE, /* partial_inplace */ | |
1518 | 0x3ffffff, /* src_mask */ | |
1519 | 0x3ffffff, /* dst_mask */ | |
1520 | FALSE), /* pcrel_offset */ | |
1521 | ||
1522 | /* The reloc used for the mips16 gprel instruction. */ | |
1523 | HOWTO (R_MIPS16_GPREL, /* type */ | |
1524 | 0, /* rightshift */ | |
1525 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1526 | 16, /* bitsize */ | |
1527 | FALSE, /* pc_relative */ | |
1528 | 0, /* bitpos */ | |
1529 | complain_overflow_signed, /* complain_on_overflow */ | |
1530 | mips16_gprel_reloc, /* special_function */ | |
1531 | "R_MIPS16_GPREL", /* name */ | |
1532 | FALSE, /* partial_inplace */ | |
1533 | 0x0000ffff, /* src_mask */ | |
1534 | 0x0000ffff, /* dst_mask */ | |
1535 | FALSE), /* pcrel_offset */ | |
1536 | ||
1537 | /* A placeholder for MIPS16 reference to global offset table. */ | |
1538 | EMPTY_HOWTO (R_MIPS16_GOT16), | |
1539 | ||
1540 | /* A placeholder for MIPS16 16 bit call through global offset table. */ | |
1541 | EMPTY_HOWTO (R_MIPS16_CALL16), | |
1542 | ||
1543 | /* MIPS16 high 16 bits of symbol value. */ | |
1544 | HOWTO (R_MIPS16_HI16, /* type */ | |
1545 | 16, /* rightshift */ | |
1546 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1547 | 16, /* bitsize */ | |
1548 | FALSE, /* pc_relative */ | |
1549 | 0, /* bitpos */ | |
1550 | complain_overflow_dont, /* complain_on_overflow */ | |
1551 | _bfd_mips_elf_hi16_reloc, /* special_function */ | |
1552 | "R_MIPS16_HI16", /* name */ | |
1553 | FALSE, /* partial_inplace */ | |
1554 | 0x0000ffff, /* src_mask */ | |
1555 | 0x0000ffff, /* dst_mask */ | |
1556 | FALSE), /* pcrel_offset */ | |
1557 | ||
1558 | /* MIPS16 low 16 bits of symbol value. */ | |
1559 | HOWTO (R_MIPS16_LO16, /* type */ | |
1560 | 0, /* rightshift */ | |
1561 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1562 | 16, /* bitsize */ | |
1563 | FALSE, /* pc_relative */ | |
1564 | 0, /* bitpos */ | |
1565 | complain_overflow_dont, /* complain_on_overflow */ | |
1566 | _bfd_mips_elf_lo16_reloc, /* special_function */ | |
1567 | "R_MIPS16_LO16", /* name */ | |
1568 | FALSE, /* partial_inplace */ | |
1569 | 0x0000ffff, /* src_mask */ | |
1570 | 0x0000ffff, /* dst_mask */ | |
1571 | FALSE), /* pcrel_offset */ | |
1572 | }; | |
8a397dad TS |
1573 | |
1574 | /* GNU extension to record C++ vtable hierarchy */ | |
1575 | static reloc_howto_type elf_mips_gnu_vtinherit_howto = | |
1576 | HOWTO (R_MIPS_GNU_VTINHERIT, /* type */ | |
1577 | 0, /* rightshift */ | |
1578 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1579 | 0, /* bitsize */ | |
b34976b6 | 1580 | FALSE, /* pc_relative */ |
8a397dad TS |
1581 | 0, /* bitpos */ |
1582 | complain_overflow_dont, /* complain_on_overflow */ | |
1583 | NULL, /* special_function */ | |
1584 | "R_MIPS_GNU_VTINHERIT", /* name */ | |
b34976b6 | 1585 | FALSE, /* partial_inplace */ |
8a397dad TS |
1586 | 0, /* src_mask */ |
1587 | 0, /* dst_mask */ | |
b34976b6 | 1588 | FALSE); /* pcrel_offset */ |
8a397dad TS |
1589 | |
1590 | /* GNU extension to record C++ vtable member usage */ | |
1591 | static reloc_howto_type elf_mips_gnu_vtentry_howto = | |
1592 | HOWTO (R_MIPS_GNU_VTENTRY, /* type */ | |
1593 | 0, /* rightshift */ | |
1594 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1595 | 0, /* bitsize */ | |
b34976b6 | 1596 | FALSE, /* pc_relative */ |
8a397dad TS |
1597 | 0, /* bitpos */ |
1598 | complain_overflow_dont, /* complain_on_overflow */ | |
1599 | _bfd_elf_rel_vtable_reloc_fn, /* special_function */ | |
1600 | "R_MIPS_GNU_VTENTRY", /* name */ | |
b34976b6 | 1601 | FALSE, /* partial_inplace */ |
8a397dad TS |
1602 | 0, /* src_mask */ |
1603 | 0, /* dst_mask */ | |
b34976b6 | 1604 | FALSE); /* pcrel_offset */ |
8a397dad | 1605 | \f |
d0c728db TS |
1606 | /* 16 bit offset for pc-relative branches. */ |
1607 | static reloc_howto_type elf_mips_gnu_rel16_s2 = | |
1608 | HOWTO (R_MIPS_GNU_REL16_S2, /* type */ | |
1609 | 2, /* rightshift */ | |
1610 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1611 | 16, /* bitsize */ | |
1612 | TRUE, /* pc_relative */ | |
1613 | 0, /* bitpos */ | |
1614 | complain_overflow_signed, /* complain_on_overflow */ | |
30ac9238 | 1615 | _bfd_mips_elf_generic_reloc, /* special_function */ |
d0c728db TS |
1616 | "R_MIPS_GNU_REL16_S2", /* name */ |
1617 | TRUE, /* partial_inplace */ | |
1618 | 0x0000ffff, /* src_mask */ | |
1619 | 0x0000ffff, /* dst_mask */ | |
1620 | TRUE); /* pcrel_offset */ | |
1621 | ||
1622 | /* 16 bit offset for pc-relative branches. */ | |
1623 | static reloc_howto_type elf_mips_gnu_rela16_s2 = | |
1624 | HOWTO (R_MIPS_GNU_REL16_S2, /* type */ | |
1625 | 2, /* rightshift */ | |
1626 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1627 | 16, /* bitsize */ | |
1628 | TRUE, /* pc_relative */ | |
1629 | 0, /* bitpos */ | |
1630 | complain_overflow_signed, /* complain_on_overflow */ | |
30ac9238 | 1631 | _bfd_mips_elf_generic_reloc, /* special_function */ |
d0c728db TS |
1632 | "R_MIPS_GNU_REL16_S2", /* name */ |
1633 | FALSE, /* partial_inplace */ | |
1634 | 0, /* src_mask */ | |
1635 | 0x0000ffff, /* dst_mask */ | |
1636 | TRUE); /* pcrel_offset */ | |
1637 | \f | |
b34976b6 | 1638 | /* Set the GP value for OUTPUT_BFD. Returns FALSE if this is a |
8a397dad TS |
1639 | dangerous relocation. */ |
1640 | ||
b34976b6 | 1641 | static bfd_boolean |
11a2be4d | 1642 | mips_elf_assign_gp (bfd *output_bfd, bfd_vma *pgp) |
8a397dad TS |
1643 | { |
1644 | unsigned int count; | |
1645 | asymbol **sym; | |
1646 | unsigned int i; | |
1647 | ||
1648 | /* If we've already figured out what GP will be, just return it. */ | |
1649 | *pgp = _bfd_get_gp_value (output_bfd); | |
1650 | if (*pgp) | |
b34976b6 | 1651 | return TRUE; |
8a397dad TS |
1652 | |
1653 | count = bfd_get_symcount (output_bfd); | |
1654 | sym = bfd_get_outsymbols (output_bfd); | |
1655 | ||
1656 | /* The linker script will have created a symbol named `_gp' with the | |
1657 | appropriate value. */ | |
11a2be4d | 1658 | if (sym == NULL) |
8a397dad TS |
1659 | i = count; |
1660 | else | |
1661 | { | |
1662 | for (i = 0; i < count; i++, sym++) | |
1663 | { | |
1664 | register const char *name; | |
1665 | ||
1666 | name = bfd_asymbol_name (*sym); | |
1667 | if (*name == '_' && strcmp (name, "_gp") == 0) | |
1668 | { | |
1669 | *pgp = bfd_asymbol_value (*sym); | |
1670 | _bfd_set_gp_value (output_bfd, *pgp); | |
1671 | break; | |
1672 | } | |
1673 | } | |
1674 | } | |
1675 | ||
1676 | if (i >= count) | |
1677 | { | |
1678 | /* Only get the error once. */ | |
1679 | *pgp = 4; | |
1680 | _bfd_set_gp_value (output_bfd, *pgp); | |
b34976b6 | 1681 | return FALSE; |
8a397dad TS |
1682 | } |
1683 | ||
b34976b6 | 1684 | return TRUE; |
8a397dad TS |
1685 | } |
1686 | ||
1687 | /* We have to figure out the gp value, so that we can adjust the | |
1688 | symbol value correctly. We look up the symbol _gp in the output | |
1689 | BFD. If we can't find it, we're stuck. We cache it in the ELF | |
1690 | target data. We don't need to adjust the symbol value for an | |
1049f94e | 1691 | external symbol if we are producing relocatable output. */ |
8a397dad TS |
1692 | |
1693 | static bfd_reloc_status_type | |
11a2be4d RS |
1694 | mips_elf_final_gp (bfd *output_bfd, asymbol *symbol, bfd_boolean relocatable, |
1695 | char **error_message, bfd_vma *pgp) | |
8a397dad TS |
1696 | { |
1697 | if (bfd_is_und_section (symbol->section) | |
1049f94e | 1698 | && ! relocatable) |
8a397dad TS |
1699 | { |
1700 | *pgp = 0; | |
1701 | return bfd_reloc_undefined; | |
1702 | } | |
1703 | ||
1704 | *pgp = _bfd_get_gp_value (output_bfd); | |
1705 | if (*pgp == 0 | |
1049f94e | 1706 | && (! relocatable |
8a397dad TS |
1707 | || (symbol->flags & BSF_SECTION_SYM) != 0)) |
1708 | { | |
1049f94e | 1709 | if (relocatable) |
8a397dad TS |
1710 | { |
1711 | /* Make up a value. */ | |
a902ee94 | 1712 | *pgp = symbol->section->output_section->vma /*+ 0x4000*/; |
8a397dad TS |
1713 | _bfd_set_gp_value (output_bfd, *pgp); |
1714 | } | |
1715 | else if (!mips_elf_assign_gp (output_bfd, pgp)) | |
1716 | { | |
1717 | *error_message = | |
1718 | (char *) _("GP relative relocation when _gp not defined"); | |
1719 | return bfd_reloc_dangerous; | |
1720 | } | |
1721 | } | |
1722 | ||
1723 | return bfd_reloc_ok; | |
1724 | } | |
1725 | ||
1726 | /* Do a R_MIPS_GPREL16 relocation. This is a 16 bit value which must | |
1727 | become the offset from the gp register. */ | |
1728 | ||
1729 | static bfd_reloc_status_type | |
11a2be4d RS |
1730 | mips_elf_gprel16_reloc (bfd *abfd ATTRIBUTE_UNUSED, arelent *reloc_entry, |
1731 | asymbol *symbol, void *data ATTRIBUTE_UNUSED, | |
1732 | asection *input_section, bfd *output_bfd, | |
1733 | char **error_message ATTRIBUTE_UNUSED) | |
8a397dad | 1734 | { |
1049f94e | 1735 | bfd_boolean relocatable; |
8a397dad TS |
1736 | bfd_reloc_status_type ret; |
1737 | bfd_vma gp; | |
1738 | ||
11a2be4d | 1739 | if (output_bfd != NULL) |
1049f94e | 1740 | relocatable = TRUE; |
8a397dad TS |
1741 | else |
1742 | { | |
1049f94e | 1743 | relocatable = FALSE; |
8a397dad TS |
1744 | output_bfd = symbol->section->output_section->owner; |
1745 | } | |
1746 | ||
1049f94e | 1747 | ret = mips_elf_final_gp (output_bfd, symbol, relocatable, error_message, |
8a397dad TS |
1748 | &gp); |
1749 | if (ret != bfd_reloc_ok) | |
1750 | return ret; | |
1751 | ||
1752 | return _bfd_mips_elf_gprel16_with_gp (abfd, symbol, reloc_entry, | |
1049f94e | 1753 | input_section, relocatable, |
8a397dad TS |
1754 | data, gp); |
1755 | } | |
1756 | ||
1757 | /* Do a R_MIPS_LITERAL relocation. */ | |
1758 | ||
1759 | static bfd_reloc_status_type | |
11a2be4d RS |
1760 | mips_elf_literal_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol, |
1761 | void *data, asection *input_section, bfd *output_bfd, | |
1762 | char **error_message) | |
8a397dad | 1763 | { |
1049f94e | 1764 | bfd_boolean relocatable; |
8a397dad TS |
1765 | bfd_reloc_status_type ret; |
1766 | bfd_vma gp; | |
1767 | ||
254f0426 MR |
1768 | /* R_MIPS_LITERAL relocations are defined for local symbols only. */ |
1769 | if (output_bfd != NULL | |
1770 | && (symbol->flags & BSF_SECTION_SYM) == 0 | |
1771 | && (symbol->flags & BSF_LOCAL) != 0) | |
1772 | { | |
1773 | *error_message = (char *) | |
1774 | _("literal relocation occurs for an external symbol"); | |
1775 | return bfd_reloc_outofrange; | |
1776 | } | |
1777 | ||
8a397dad | 1778 | /* FIXME: The entries in the .lit8 and .lit4 sections should be merged. */ |
11a2be4d | 1779 | if (output_bfd != NULL) |
1049f94e | 1780 | relocatable = TRUE; |
8a397dad TS |
1781 | else |
1782 | { | |
1049f94e | 1783 | relocatable = FALSE; |
8a397dad TS |
1784 | output_bfd = symbol->section->output_section->owner; |
1785 | } | |
1786 | ||
1049f94e | 1787 | ret = mips_elf_final_gp (output_bfd, symbol, relocatable, error_message, |
8a397dad TS |
1788 | &gp); |
1789 | if (ret != bfd_reloc_ok) | |
1790 | return ret; | |
1791 | ||
1792 | return _bfd_mips_elf_gprel16_with_gp (abfd, symbol, reloc_entry, | |
1049f94e | 1793 | input_section, relocatable, |
8a397dad TS |
1794 | data, gp); |
1795 | } | |
1796 | ||
1797 | /* Do a R_MIPS_GPREL32 relocation. This is a 32 bit value which must | |
1798 | become the offset from the gp register. */ | |
1799 | ||
1800 | static bfd_reloc_status_type | |
11a2be4d RS |
1801 | mips_elf_gprel32_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol, |
1802 | void *data, asection *input_section, bfd *output_bfd, | |
1803 | char **error_message) | |
8a397dad | 1804 | { |
1049f94e | 1805 | bfd_boolean relocatable; |
8a397dad TS |
1806 | bfd_reloc_status_type ret; |
1807 | bfd_vma gp; | |
1808 | ||
a7ebbfdf | 1809 | /* R_MIPS_GPREL32 relocations are defined for local symbols only. */ |
11a2be4d | 1810 | if (output_bfd != NULL |
8a397dad | 1811 | && (symbol->flags & BSF_SECTION_SYM) == 0 |
a7ebbfdf | 1812 | && (symbol->flags & BSF_LOCAL) != 0) |
8a397dad TS |
1813 | { |
1814 | *error_message = (char *) | |
1815 | _("32bits gp relative relocation occurs for an external symbol"); | |
1816 | return bfd_reloc_outofrange; | |
1817 | } | |
1818 | ||
11a2be4d | 1819 | if (output_bfd != NULL) |
8a397dad | 1820 | { |
1049f94e | 1821 | relocatable = TRUE; |
8a397dad TS |
1822 | gp = _bfd_get_gp_value (output_bfd); |
1823 | } | |
1824 | else | |
1825 | { | |
1049f94e | 1826 | relocatable = FALSE; |
8a397dad TS |
1827 | output_bfd = symbol->section->output_section->owner; |
1828 | ||
1049f94e | 1829 | ret = mips_elf_final_gp (output_bfd, symbol, relocatable, |
8a397dad TS |
1830 | error_message, &gp); |
1831 | if (ret != bfd_reloc_ok) | |
1832 | return ret; | |
1833 | } | |
1834 | ||
1835 | return gprel32_with_gp (abfd, symbol, reloc_entry, input_section, | |
1049f94e | 1836 | relocatable, data, gp); |
8a397dad TS |
1837 | } |
1838 | ||
1839 | static bfd_reloc_status_type | |
11a2be4d RS |
1840 | gprel32_with_gp (bfd *abfd, asymbol *symbol, arelent *reloc_entry, |
1841 | asection *input_section, bfd_boolean relocatable, | |
1842 | void *data, bfd_vma gp) | |
8a397dad TS |
1843 | { |
1844 | bfd_vma relocation; | |
1845 | unsigned long val; | |
1846 | ||
1847 | if (bfd_is_com_section (symbol->section)) | |
1848 | relocation = 0; | |
1849 | else | |
1850 | relocation = symbol->value; | |
1851 | ||
1852 | relocation += symbol->section->output_section->vma; | |
1853 | relocation += symbol->section->output_offset; | |
1854 | ||
07515404 | 1855 | if (reloc_entry->address > bfd_get_section_limit (abfd, input_section)) |
8a397dad TS |
1856 | return bfd_reloc_outofrange; |
1857 | ||
1858 | if (reloc_entry->howto->src_mask == 0) | |
1859 | val = 0; | |
1860 | else | |
1861 | val = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address); | |
1862 | ||
1863 | /* Set val to the offset into the section or symbol. */ | |
1864 | val += reloc_entry->addend; | |
1865 | ||
1866 | /* Adjust val for the final section location and GP value. If we | |
1049f94e | 1867 | are producing relocatable output, we don't want to do this for |
8a397dad | 1868 | an external symbol. */ |
1049f94e | 1869 | if (! relocatable |
8a397dad TS |
1870 | || (symbol->flags & BSF_SECTION_SYM) != 0) |
1871 | val += relocation - gp; | |
1872 | ||
11a2be4d | 1873 | bfd_put_32 (abfd, val, (bfd_byte *) data + reloc_entry->address); |
8a397dad | 1874 | |
1049f94e | 1875 | if (relocatable) |
8a397dad TS |
1876 | reloc_entry->address += input_section->output_offset; |
1877 | ||
1878 | return bfd_reloc_ok; | |
1879 | } | |
1880 | ||
1881 | /* Do a R_MIPS_SHIFT6 relocation. The MSB of the shift is stored at bit 2, | |
1882 | the rest is at bits 6-10. The bitpos already got right by the howto. */ | |
1883 | ||
1884 | static bfd_reloc_status_type | |
30ac9238 RS |
1885 | mips_elf_shift6_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol, |
1886 | void *data, asection *input_section, bfd *output_bfd, | |
1887 | char **error_message) | |
8a397dad | 1888 | { |
a7ebbfdf TS |
1889 | if (reloc_entry->howto->partial_inplace) |
1890 | { | |
1891 | reloc_entry->addend = ((reloc_entry->addend & 0x00007c0) | |
1892 | | (reloc_entry->addend & 0x00000800) >> 9); | |
1893 | } | |
8a397dad | 1894 | |
30ac9238 RS |
1895 | return _bfd_mips_elf_generic_reloc (abfd, reloc_entry, symbol, data, |
1896 | input_section, output_bfd, | |
1897 | error_message); | |
8a397dad TS |
1898 | } |
1899 | \f | |
1900 | /* Handle a mips16 jump. */ | |
1901 | ||
1902 | static bfd_reloc_status_type | |
30ac9238 RS |
1903 | mips16_jump_reloc (bfd *abfd ATTRIBUTE_UNUSED, |
1904 | arelent *reloc_entry ATTRIBUTE_UNUSED, | |
1905 | asymbol *symbol ATTRIBUTE_UNUSED, | |
1906 | void *data ATTRIBUTE_UNUSED, | |
1907 | asection *input_section, bfd *output_bfd ATTRIBUTE_UNUSED, | |
11a2be4d | 1908 | char **error_message ATTRIBUTE_UNUSED) |
8a397dad | 1909 | { |
b34976b6 | 1910 | static bfd_boolean warned = FALSE; |
8a397dad | 1911 | |
8a397dad TS |
1912 | /* FIXME. */ |
1913 | if (! warned) | |
1914 | (*_bfd_error_handler) | |
1915 | (_("Linking mips16 objects into %s format is not supported"), | |
1916 | bfd_get_target (input_section->output_section->owner)); | |
b34976b6 | 1917 | warned = TRUE; |
8a397dad TS |
1918 | |
1919 | return bfd_reloc_undefined; | |
1920 | } | |
1921 | ||
1922 | /* Handle a mips16 GP relative reloc. */ | |
1923 | ||
1924 | static bfd_reloc_status_type | |
11a2be4d RS |
1925 | mips16_gprel_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol, |
1926 | void *data, asection *input_section, bfd *output_bfd, | |
1927 | char **error_message) | |
8a397dad | 1928 | { |
1049f94e | 1929 | bfd_boolean relocatable; |
8a397dad | 1930 | bfd_reloc_status_type ret; |
d6f16593 | 1931 | bfd_byte *location; |
8a397dad | 1932 | bfd_vma gp; |
8a397dad | 1933 | |
7f05722e MR |
1934 | /* If we're relocating, and this is an external symbol, we don't want |
1935 | to change anything. */ | |
1936 | if (output_bfd != NULL | |
1937 | && (symbol->flags & BSF_SECTION_SYM) == 0 | |
1938 | && (symbol->flags & BSF_LOCAL) != 0) | |
1939 | { | |
1940 | reloc_entry->address += input_section->output_offset; | |
1941 | return bfd_reloc_ok; | |
1942 | } | |
1943 | ||
8a397dad | 1944 | if (output_bfd != NULL) |
1049f94e | 1945 | relocatable = TRUE; |
8a397dad TS |
1946 | else |
1947 | { | |
1049f94e | 1948 | relocatable = FALSE; |
8a397dad TS |
1949 | output_bfd = symbol->section->output_section->owner; |
1950 | } | |
1951 | ||
1049f94e | 1952 | ret = mips_elf_final_gp (output_bfd, symbol, relocatable, error_message, |
8a397dad TS |
1953 | &gp); |
1954 | if (ret != bfd_reloc_ok) | |
1955 | return ret; | |
1956 | ||
d6f16593 MR |
1957 | location = (bfd_byte *) data + reloc_entry->address; |
1958 | _bfd_mips16_elf_reloc_unshuffle (abfd, reloc_entry->howto->type, FALSE, | |
1959 | location); | |
1960 | ret = _bfd_mips_elf_gprel16_with_gp (abfd, symbol, reloc_entry, | |
1961 | input_section, relocatable, | |
1962 | data, gp); | |
1963 | _bfd_mips16_elf_reloc_shuffle (abfd, reloc_entry->howto->type, !relocatable, | |
1964 | location); | |
8a397dad | 1965 | |
d6f16593 | 1966 | return ret; |
8a397dad | 1967 | } |
8a397dad TS |
1968 | \f |
1969 | /* A mapping from BFD reloc types to MIPS ELF reloc types. */ | |
1970 | ||
1971 | struct elf_reloc_map { | |
1972 | bfd_reloc_code_real_type bfd_val; | |
1973 | enum elf_mips_reloc_type elf_val; | |
1974 | }; | |
1975 | ||
1976 | static const struct elf_reloc_map mips_reloc_map[] = | |
1977 | { | |
1978 | { BFD_RELOC_NONE, R_MIPS_NONE }, | |
1979 | { BFD_RELOC_16, R_MIPS_16 }, | |
1980 | { BFD_RELOC_32, R_MIPS_32 }, | |
1981 | /* There is no BFD reloc for R_MIPS_REL32. */ | |
1982 | { BFD_RELOC_CTOR, R_MIPS_32 }, | |
1983 | { BFD_RELOC_64, R_MIPS_64 }, | |
0b25d3e6 | 1984 | { BFD_RELOC_16_PCREL, R_MIPS_PC16 }, |
8a397dad TS |
1985 | { BFD_RELOC_HI16_S, R_MIPS_HI16 }, |
1986 | { BFD_RELOC_LO16, R_MIPS_LO16 }, | |
1987 | { BFD_RELOC_GPREL16, R_MIPS_GPREL16 }, | |
1988 | { BFD_RELOC_GPREL32, R_MIPS_GPREL32 }, | |
1989 | { BFD_RELOC_MIPS_JMP, R_MIPS_26 }, | |
1990 | { BFD_RELOC_MIPS_LITERAL, R_MIPS_LITERAL }, | |
1991 | { BFD_RELOC_MIPS_GOT16, R_MIPS_GOT16 }, | |
1992 | { BFD_RELOC_MIPS_CALL16, R_MIPS_CALL16 }, | |
1993 | { BFD_RELOC_MIPS_SHIFT5, R_MIPS_SHIFT5 }, | |
1994 | { BFD_RELOC_MIPS_SHIFT6, R_MIPS_SHIFT6 }, | |
1995 | { BFD_RELOC_MIPS_GOT_DISP, R_MIPS_GOT_DISP }, | |
1996 | { BFD_RELOC_MIPS_GOT_PAGE, R_MIPS_GOT_PAGE }, | |
1997 | { BFD_RELOC_MIPS_GOT_OFST, R_MIPS_GOT_OFST }, | |
1998 | { BFD_RELOC_MIPS_GOT_HI16, R_MIPS_GOT_HI16 }, | |
1999 | { BFD_RELOC_MIPS_GOT_LO16, R_MIPS_GOT_LO16 }, | |
2000 | { BFD_RELOC_MIPS_SUB, R_MIPS_SUB }, | |
2001 | { BFD_RELOC_MIPS_INSERT_A, R_MIPS_INSERT_A }, | |
2002 | { BFD_RELOC_MIPS_INSERT_B, R_MIPS_INSERT_B }, | |
2003 | { BFD_RELOC_MIPS_DELETE, R_MIPS_DELETE }, | |
2004 | { BFD_RELOC_MIPS_HIGHEST, R_MIPS_HIGHEST }, | |
2005 | { BFD_RELOC_MIPS_HIGHER, R_MIPS_HIGHER }, | |
2006 | { BFD_RELOC_MIPS_CALL_HI16, R_MIPS_CALL_HI16 }, | |
2007 | { BFD_RELOC_MIPS_CALL_LO16, R_MIPS_CALL_LO16 }, | |
2008 | { BFD_RELOC_MIPS_SCN_DISP, R_MIPS_SCN_DISP }, | |
2009 | { BFD_RELOC_MIPS_REL16, R_MIPS_REL16 }, | |
2010 | /* Use of R_MIPS_ADD_IMMEDIATE and R_MIPS_PJUMP is deprecated. */ | |
2011 | { BFD_RELOC_MIPS_RELGOT, R_MIPS_RELGOT }, | |
0f20cc35 DJ |
2012 | { BFD_RELOC_MIPS_JALR, R_MIPS_JALR }, |
2013 | { BFD_RELOC_MIPS_TLS_DTPMOD32, R_MIPS_TLS_DTPMOD32 }, | |
2014 | { BFD_RELOC_MIPS_TLS_DTPREL32, R_MIPS_TLS_DTPREL32 }, | |
2015 | { BFD_RELOC_MIPS_TLS_DTPMOD64, R_MIPS_TLS_DTPMOD64 }, | |
2016 | { BFD_RELOC_MIPS_TLS_DTPREL64, R_MIPS_TLS_DTPREL64 }, | |
2017 | { BFD_RELOC_MIPS_TLS_GD, R_MIPS_TLS_GD }, | |
2018 | { BFD_RELOC_MIPS_TLS_LDM, R_MIPS_TLS_LDM }, | |
2019 | { BFD_RELOC_MIPS_TLS_DTPREL_HI16, R_MIPS_TLS_DTPREL_HI16 }, | |
2020 | { BFD_RELOC_MIPS_TLS_DTPREL_LO16, R_MIPS_TLS_DTPREL_LO16 }, | |
2021 | { BFD_RELOC_MIPS_TLS_GOTTPREL, R_MIPS_TLS_GOTTPREL }, | |
2022 | { BFD_RELOC_MIPS_TLS_TPREL32, R_MIPS_TLS_TPREL32 }, | |
2023 | { BFD_RELOC_MIPS_TLS_TPREL64, R_MIPS_TLS_TPREL64 }, | |
2024 | { BFD_RELOC_MIPS_TLS_TPREL_HI16, R_MIPS_TLS_TPREL_HI16 }, | |
2025 | { BFD_RELOC_MIPS_TLS_TPREL_LO16, R_MIPS_TLS_TPREL_LO16 } | |
8a397dad TS |
2026 | }; |
2027 | ||
d6f16593 MR |
2028 | static const struct elf_reloc_map mips16_reloc_map[] = |
2029 | { | |
2030 | { BFD_RELOC_MIPS16_JMP, R_MIPS16_26 - R_MIPS16_min }, | |
2031 | { BFD_RELOC_MIPS16_GPREL, R_MIPS16_GPREL - R_MIPS16_min }, | |
2032 | { BFD_RELOC_MIPS16_HI16_S, R_MIPS16_HI16 - R_MIPS16_min }, | |
2033 | { BFD_RELOC_MIPS16_LO16, R_MIPS16_LO16 - R_MIPS16_min }, | |
2034 | }; | |
2035 | ||
8a397dad TS |
2036 | /* Given a BFD reloc type, return a howto structure. */ |
2037 | ||
2038 | static reloc_howto_type * | |
11a2be4d RS |
2039 | bfd_elf32_bfd_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED, |
2040 | bfd_reloc_code_real_type code) | |
8a397dad TS |
2041 | { |
2042 | unsigned int i; | |
2043 | /* FIXME: We default to RELA here instead of choosing the right | |
2044 | relocation variant. */ | |
2045 | reloc_howto_type *howto_table = elf_mips_howto_table_rela; | |
d6f16593 | 2046 | reloc_howto_type *howto16_table = elf_mips16_howto_table_rela; |
8a397dad TS |
2047 | |
2048 | for (i = 0; i < sizeof (mips_reloc_map) / sizeof (struct elf_reloc_map); | |
2049 | i++) | |
2050 | { | |
2051 | if (mips_reloc_map[i].bfd_val == code) | |
2052 | return &howto_table[(int) mips_reloc_map[i].elf_val]; | |
2053 | } | |
2054 | ||
d6f16593 MR |
2055 | for (i = 0; i < sizeof (mips16_reloc_map) / sizeof (struct elf_reloc_map); |
2056 | i++) | |
2057 | { | |
2058 | if (mips16_reloc_map[i].bfd_val == code) | |
2059 | return &howto16_table[(int) mips16_reloc_map[i].elf_val]; | |
2060 | } | |
2061 | ||
8a397dad TS |
2062 | switch (code) |
2063 | { | |
8a397dad TS |
2064 | case BFD_RELOC_VTABLE_INHERIT: |
2065 | return &elf_mips_gnu_vtinherit_howto; | |
2066 | case BFD_RELOC_VTABLE_ENTRY: | |
2067 | return &elf_mips_gnu_vtentry_howto; | |
d0c728db TS |
2068 | case BFD_RELOC_16_PCREL_S2: |
2069 | return &elf_mips_gnu_rela16_s2; | |
8a397dad TS |
2070 | default: |
2071 | bfd_set_error (bfd_error_bad_value); | |
2072 | return NULL; | |
2073 | } | |
2074 | } | |
2075 | ||
947216bf | 2076 | /* Given a MIPS Elf_Internal_Rel, fill in an arelent structure. */ |
8a397dad TS |
2077 | |
2078 | static reloc_howto_type * | |
11a2be4d | 2079 | mips_elf_n32_rtype_to_howto (unsigned int r_type, bfd_boolean rela_p) |
8a397dad TS |
2080 | { |
2081 | switch (r_type) | |
2082 | { | |
8a397dad TS |
2083 | case R_MIPS_GNU_VTINHERIT: |
2084 | return &elf_mips_gnu_vtinherit_howto; | |
2085 | case R_MIPS_GNU_VTENTRY: | |
2086 | return &elf_mips_gnu_vtentry_howto; | |
d0c728db TS |
2087 | case R_MIPS_GNU_REL16_S2: |
2088 | if (rela_p) | |
2089 | return &elf_mips_gnu_rela16_s2; | |
2090 | else | |
2091 | return &elf_mips_gnu_rel16_s2; | |
8a397dad | 2092 | default: |
d6f16593 MR |
2093 | if (r_type >= R_MIPS16_min && r_type < R_MIPS16_max) |
2094 | { | |
2095 | if (rela_p) | |
2096 | return &elf_mips16_howto_table_rela[r_type - R_MIPS16_min]; | |
2097 | else | |
2098 | return &elf_mips16_howto_table_rel[r_type - R_MIPS16_min]; | |
2099 | } | |
8a397dad TS |
2100 | BFD_ASSERT (r_type < (unsigned int) R_MIPS_max); |
2101 | if (rela_p) | |
2102 | return &elf_mips_howto_table_rela[r_type]; | |
2103 | else | |
2104 | return &elf_mips_howto_table_rel[r_type]; | |
2105 | break; | |
2106 | } | |
2107 | } | |
2108 | ||
947216bf | 2109 | /* Given a MIPS Elf_Internal_Rel, fill in an arelent structure. */ |
8a397dad TS |
2110 | |
2111 | static void | |
11a2be4d | 2112 | mips_info_to_howto_rel (bfd *abfd, arelent *cache_ptr, Elf_Internal_Rela *dst) |
8a397dad TS |
2113 | { |
2114 | unsigned int r_type; | |
2115 | ||
2116 | r_type = ELF32_R_TYPE (dst->r_info); | |
b34976b6 | 2117 | cache_ptr->howto = mips_elf_n32_rtype_to_howto (r_type, FALSE); |
8a397dad TS |
2118 | |
2119 | /* The addend for a GPREL16 or LITERAL relocation comes from the GP | |
2120 | value for the object file. We get the addend now, rather than | |
2121 | when we do the relocation, because the symbol manipulations done | |
2122 | by the linker may cause us to lose track of the input BFD. */ | |
2123 | if (((*cache_ptr->sym_ptr_ptr)->flags & BSF_SECTION_SYM) != 0 | |
2124 | && (r_type == (unsigned int) R_MIPS_GPREL16 | |
2125 | || r_type == (unsigned int) R_MIPS_LITERAL)) | |
2126 | cache_ptr->addend = elf_gp (abfd); | |
2127 | } | |
2128 | ||
947216bf | 2129 | /* Given a MIPS Elf_Internal_Rela, fill in an arelent structure. */ |
8a397dad TS |
2130 | |
2131 | static void | |
11a2be4d RS |
2132 | mips_info_to_howto_rela (bfd *abfd ATTRIBUTE_UNUSED, |
2133 | arelent *cache_ptr, Elf_Internal_Rela *dst) | |
8a397dad TS |
2134 | { |
2135 | unsigned int r_type; | |
2136 | ||
2137 | r_type = ELF32_R_TYPE (dst->r_info); | |
b34976b6 | 2138 | cache_ptr->howto = mips_elf_n32_rtype_to_howto (r_type, TRUE); |
8a397dad TS |
2139 | cache_ptr->addend = dst->r_addend; |
2140 | } | |
2141 | \f | |
2142 | /* Determine whether a symbol is global for the purposes of splitting | |
2143 | the symbol table into global symbols and local symbols. At least | |
2144 | on Irix 5, this split must be between section symbols and all other | |
2145 | symbols. On most ELF targets the split is between static symbols | |
2146 | and externally visible symbols. */ | |
2147 | ||
b34976b6 | 2148 | static bfd_boolean |
11a2be4d | 2149 | mips_elf_sym_is_global (bfd *abfd ATTRIBUTE_UNUSED, asymbol *sym) |
8a397dad TS |
2150 | { |
2151 | if (SGI_COMPAT (abfd)) | |
2152 | return (sym->flags & BSF_SECTION_SYM) == 0; | |
2153 | else | |
2154 | return ((sym->flags & (BSF_GLOBAL | BSF_WEAK)) != 0 | |
2155 | || bfd_is_und_section (bfd_get_section (sym)) | |
2156 | || bfd_is_com_section (bfd_get_section (sym))); | |
2157 | } | |
2158 | \f | |
2159 | /* Set the right machine number for a MIPS ELF file. */ | |
2160 | ||
b34976b6 | 2161 | static bfd_boolean |
11a2be4d | 2162 | mips_elf_n32_object_p (bfd *abfd) |
8a397dad TS |
2163 | { |
2164 | unsigned long mach; | |
2165 | ||
2166 | /* Irix 5 and 6 are broken. Object file symbol tables are not always | |
2167 | sorted correctly such that local symbols precede global symbols, | |
2168 | and the sh_info field in the symbol table is not always right. */ | |
2169 | if (SGI_COMPAT (abfd)) | |
b34976b6 | 2170 | elf_bad_symtab (abfd) = TRUE; |
8a397dad TS |
2171 | |
2172 | mach = _bfd_elf_mips_mach (elf_elfheader (abfd)->e_flags); | |
2173 | bfd_default_set_arch_mach (abfd, bfd_arch_mips, mach); | |
2174 | ||
2175 | if (! ABI_N32_P(abfd)) | |
b34976b6 | 2176 | return FALSE; |
8a397dad | 2177 | |
b34976b6 | 2178 | return TRUE; |
8a397dad TS |
2179 | } |
2180 | \f | |
2181 | /* Support for core dump NOTE sections. */ | |
b34976b6 | 2182 | static bfd_boolean |
11a2be4d | 2183 | elf32_mips_grok_prstatus (bfd *abfd, Elf_Internal_Note *note) |
8a397dad TS |
2184 | { |
2185 | int offset; | |
eea6121a | 2186 | unsigned int size; |
8a397dad TS |
2187 | |
2188 | switch (note->descsz) | |
2189 | { | |
2190 | default: | |
b34976b6 | 2191 | return FALSE; |
8a397dad | 2192 | |
59a8c196 | 2193 | case 440: /* Linux/MIPS N32 */ |
8a397dad TS |
2194 | /* pr_cursig */ |
2195 | elf_tdata (abfd)->core_signal = bfd_get_16 (abfd, note->descdata + 12); | |
2196 | ||
2197 | /* pr_pid */ | |
2198 | elf_tdata (abfd)->core_pid = bfd_get_32 (abfd, note->descdata + 24); | |
2199 | ||
2200 | /* pr_reg */ | |
2201 | offset = 72; | |
eea6121a | 2202 | size = 360; |
8a397dad TS |
2203 | |
2204 | break; | |
2205 | } | |
2206 | ||
2207 | /* Make a ".reg/999" section. */ | |
eea6121a | 2208 | return _bfd_elfcore_make_pseudosection (abfd, ".reg", size, |
8a397dad TS |
2209 | note->descpos + offset); |
2210 | } | |
2211 | ||
b34976b6 | 2212 | static bfd_boolean |
11a2be4d | 2213 | elf32_mips_grok_psinfo (bfd *abfd, Elf_Internal_Note *note) |
8a397dad TS |
2214 | { |
2215 | switch (note->descsz) | |
2216 | { | |
2217 | default: | |
b34976b6 | 2218 | return FALSE; |
8a397dad TS |
2219 | |
2220 | case 128: /* Linux/MIPS elf_prpsinfo */ | |
2221 | elf_tdata (abfd)->core_program | |
2222 | = _bfd_elfcore_strndup (abfd, note->descdata + 32, 16); | |
2223 | elf_tdata (abfd)->core_command | |
2224 | = _bfd_elfcore_strndup (abfd, note->descdata + 48, 80); | |
2225 | } | |
2226 | ||
2227 | /* Note that for some reason, a spurious space is tacked | |
2228 | onto the end of the args in some (at least one anyway) | |
2229 | implementations, so strip it off if it exists. */ | |
2230 | ||
2231 | { | |
2232 | char *command = elf_tdata (abfd)->core_command; | |
2233 | int n = strlen (command); | |
2234 | ||
2235 | if (0 < n && command[n - 1] == ' ') | |
2236 | command[n - 1] = '\0'; | |
2237 | } | |
2238 | ||
b34976b6 | 2239 | return TRUE; |
8a397dad TS |
2240 | } |
2241 | \f | |
2242 | /* Depending on the target vector we generate some version of Irix | |
2243 | executables or "normal" MIPS ELF ABI executables. */ | |
2244 | static irix_compat_t | |
11a2be4d | 2245 | elf_n32_mips_irix_compat (bfd *abfd) |
8a397dad TS |
2246 | { |
2247 | if ((abfd->xvec == &bfd_elf32_nbigmips_vec) | |
2248 | || (abfd->xvec == &bfd_elf32_nlittlemips_vec)) | |
2249 | return ict_irix6; | |
2250 | else | |
2251 | return ict_none; | |
2252 | } | |
2253 | \f | |
2254 | /* ECOFF swapping routines. These are used when dealing with the | |
2255 | .mdebug section, which is in the ECOFF debugging format. */ | |
2256 | static const struct ecoff_debug_swap mips_elf32_ecoff_debug_swap = { | |
2257 | /* Symbol table magic number. */ | |
2258 | magicSym, | |
2259 | /* Alignment of debugging information. E.g., 4. */ | |
2260 | 4, | |
2261 | /* Sizes of external symbolic information. */ | |
2262 | sizeof (struct hdr_ext), | |
2263 | sizeof (struct dnr_ext), | |
2264 | sizeof (struct pdr_ext), | |
2265 | sizeof (struct sym_ext), | |
2266 | sizeof (struct opt_ext), | |
2267 | sizeof (struct fdr_ext), | |
2268 | sizeof (struct rfd_ext), | |
2269 | sizeof (struct ext_ext), | |
2270 | /* Functions to swap in external symbolic data. */ | |
2271 | ecoff_swap_hdr_in, | |
2272 | ecoff_swap_dnr_in, | |
2273 | ecoff_swap_pdr_in, | |
2274 | ecoff_swap_sym_in, | |
2275 | ecoff_swap_opt_in, | |
2276 | ecoff_swap_fdr_in, | |
2277 | ecoff_swap_rfd_in, | |
2278 | ecoff_swap_ext_in, | |
2279 | _bfd_ecoff_swap_tir_in, | |
2280 | _bfd_ecoff_swap_rndx_in, | |
2281 | /* Functions to swap out external symbolic data. */ | |
2282 | ecoff_swap_hdr_out, | |
2283 | ecoff_swap_dnr_out, | |
2284 | ecoff_swap_pdr_out, | |
2285 | ecoff_swap_sym_out, | |
2286 | ecoff_swap_opt_out, | |
2287 | ecoff_swap_fdr_out, | |
2288 | ecoff_swap_rfd_out, | |
2289 | ecoff_swap_ext_out, | |
2290 | _bfd_ecoff_swap_tir_out, | |
2291 | _bfd_ecoff_swap_rndx_out, | |
2292 | /* Function to read in symbolic data. */ | |
2293 | _bfd_mips_elf_read_ecoff_info | |
2294 | }; | |
2295 | \f | |
2296 | #define ELF_ARCH bfd_arch_mips | |
2297 | #define ELF_MACHINE_CODE EM_MIPS | |
2298 | ||
b34976b6 AM |
2299 | #define elf_backend_collect TRUE |
2300 | #define elf_backend_type_change_ok TRUE | |
2301 | #define elf_backend_can_gc_sections TRUE | |
8a397dad TS |
2302 | #define elf_info_to_howto mips_info_to_howto_rela |
2303 | #define elf_info_to_howto_rel mips_info_to_howto_rel | |
2304 | #define elf_backend_sym_is_global mips_elf_sym_is_global | |
2305 | #define elf_backend_object_p mips_elf_n32_object_p | |
2306 | #define elf_backend_symbol_processing _bfd_mips_elf_symbol_processing | |
2307 | #define elf_backend_section_processing _bfd_mips_elf_section_processing | |
2308 | #define elf_backend_section_from_shdr _bfd_mips_elf_section_from_shdr | |
2309 | #define elf_backend_fake_sections _bfd_mips_elf_fake_sections | |
2310 | #define elf_backend_section_from_bfd_section \ | |
2311 | _bfd_mips_elf_section_from_bfd_section | |
2312 | #define elf_backend_add_symbol_hook _bfd_mips_elf_add_symbol_hook | |
2313 | #define elf_backend_link_output_symbol_hook \ | |
2314 | _bfd_mips_elf_link_output_symbol_hook | |
2315 | #define elf_backend_create_dynamic_sections \ | |
2316 | _bfd_mips_elf_create_dynamic_sections | |
2317 | #define elf_backend_check_relocs _bfd_mips_elf_check_relocs | |
2318 | #define elf_backend_adjust_dynamic_symbol \ | |
2319 | _bfd_mips_elf_adjust_dynamic_symbol | |
2320 | #define elf_backend_always_size_sections \ | |
2321 | _bfd_mips_elf_always_size_sections | |
2322 | #define elf_backend_size_dynamic_sections \ | |
2323 | _bfd_mips_elf_size_dynamic_sections | |
2324 | #define elf_backend_relocate_section _bfd_mips_elf_relocate_section | |
2325 | #define elf_backend_finish_dynamic_symbol \ | |
2326 | _bfd_mips_elf_finish_dynamic_symbol | |
2327 | #define elf_backend_finish_dynamic_sections \ | |
2328 | _bfd_mips_elf_finish_dynamic_sections | |
2329 | #define elf_backend_final_write_processing \ | |
2330 | _bfd_mips_elf_final_write_processing | |
2331 | #define elf_backend_additional_program_headers \ | |
2332 | _bfd_mips_elf_additional_program_headers | |
2333 | #define elf_backend_modify_segment_map _bfd_mips_elf_modify_segment_map | |
2334 | #define elf_backend_gc_mark_hook _bfd_mips_elf_gc_mark_hook | |
2335 | #define elf_backend_gc_sweep_hook _bfd_mips_elf_gc_sweep_hook | |
2336 | #define elf_backend_copy_indirect_symbol \ | |
2337 | _bfd_mips_elf_copy_indirect_symbol | |
2338 | #define elf_backend_hide_symbol _bfd_mips_elf_hide_symbol | |
2339 | #define elf_backend_grok_prstatus elf32_mips_grok_prstatus | |
2340 | #define elf_backend_grok_psinfo elf32_mips_grok_psinfo | |
2341 | #define elf_backend_ecoff_debug_swap &mips_elf32_ecoff_debug_swap | |
2342 | ||
2343 | #define elf_backend_got_header_size (4 * MIPS_RESERVED_GOTNO) | |
8a397dad TS |
2344 | |
2345 | /* MIPS n32 ELF can use a mixture of REL and RELA, but some Relocations | |
2346 | work better/work only in RELA, so we default to this. */ | |
2347 | #define elf_backend_may_use_rel_p 1 | |
2348 | #define elf_backend_may_use_rela_p 1 | |
2349 | #define elf_backend_default_use_rela_p 1 | |
b34976b6 | 2350 | #define elf_backend_sign_extend_vma TRUE |
8a397dad TS |
2351 | |
2352 | #define elf_backend_discard_info _bfd_mips_elf_discard_info | |
2353 | #define elf_backend_ignore_discarded_relocs \ | |
2354 | _bfd_mips_elf_ignore_discarded_relocs | |
2355 | #define elf_backend_write_section _bfd_mips_elf_write_section | |
2356 | #define elf_backend_mips_irix_compat elf_n32_mips_irix_compat | |
2357 | #define elf_backend_mips_rtype_to_howto mips_elf_n32_rtype_to_howto | |
2358 | #define bfd_elf32_find_nearest_line _bfd_mips_elf_find_nearest_line | |
4ab527b0 | 2359 | #define bfd_elf32_find_inliner_info _bfd_mips_elf_find_inliner_info |
f0abc2a1 | 2360 | #define bfd_elf32_new_section_hook _bfd_mips_elf_new_section_hook |
8a397dad TS |
2361 | #define bfd_elf32_set_section_contents _bfd_mips_elf_set_section_contents |
2362 | #define bfd_elf32_bfd_get_relocated_section_contents \ | |
2363 | _bfd_elf_mips_get_relocated_section_contents | |
2364 | #define bfd_elf32_bfd_link_hash_table_create \ | |
2365 | _bfd_mips_elf_link_hash_table_create | |
2366 | #define bfd_elf32_bfd_final_link _bfd_mips_elf_final_link | |
2367 | #define bfd_elf32_bfd_merge_private_bfd_data \ | |
2368 | _bfd_mips_elf_merge_private_bfd_data | |
2369 | #define bfd_elf32_bfd_set_private_flags _bfd_mips_elf_set_private_flags | |
2370 | #define bfd_elf32_bfd_print_private_bfd_data \ | |
2371 | _bfd_mips_elf_print_private_bfd_data | |
d0647110 | 2372 | #define bfd_elf32_bfd_relax_section _bfd_mips_relax_section |
8a397dad TS |
2373 | |
2374 | /* Support for SGI-ish mips targets using n32 ABI. */ | |
2375 | ||
2376 | #define TARGET_LITTLE_SYM bfd_elf32_nlittlemips_vec | |
2377 | #define TARGET_LITTLE_NAME "elf32-nlittlemips" | |
2378 | #define TARGET_BIG_SYM bfd_elf32_nbigmips_vec | |
2379 | #define TARGET_BIG_NAME "elf32-nbigmips" | |
2380 | ||
4301eeb1 MR |
2381 | /* The SVR4 MIPS ABI says that this should be 0x10000, but Irix 5 uses |
2382 | a value of 0x1000, and we are compatible. | |
2383 | FIXME: How does this affect NewABI? */ | |
2384 | #define ELF_MAXPAGESIZE 0x1000 | |
2385 | ||
8a397dad TS |
2386 | #include "elf32-target.h" |
2387 | ||
2388 | /* Support for traditional mips targets using n32 ABI. */ | |
8a397dad TS |
2389 | #undef TARGET_LITTLE_SYM |
2390 | #undef TARGET_LITTLE_NAME | |
2391 | #undef TARGET_BIG_SYM | |
2392 | #undef TARGET_BIG_NAME | |
2393 | ||
4301eeb1 MR |
2394 | #undef ELF_MAXPAGESIZE |
2395 | ||
8a397dad TS |
2396 | #define TARGET_LITTLE_SYM bfd_elf32_ntradlittlemips_vec |
2397 | #define TARGET_LITTLE_NAME "elf32-ntradlittlemips" | |
2398 | #define TARGET_BIG_SYM bfd_elf32_ntradbigmips_vec | |
2399 | #define TARGET_BIG_NAME "elf32-ntradbigmips" | |
2400 | ||
4301eeb1 MR |
2401 | /* The SVR4 MIPS ABI says that this should be 0x10000, and Linux uses |
2402 | page sizes of up to that limit, so we need to respect it. */ | |
2403 | #define ELF_MAXPAGESIZE 0x10000 | |
2404 | #define elf32_bed elf32_tradbed | |
2405 | ||
8a397dad TS |
2406 | /* Include the target file again for this target. */ |
2407 | #include "elf32-target.h" |