Commit | Line | Data |
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8a397dad | 1 | /* MIPS-specific support for 32-bit ELF |
ab7d0aa0 AO |
2 | Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, |
3 | 2003 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 | |
26 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
27 | ||
28 | /* This file handles MIPS ELF targets. SGI Irix 5 uses a slightly | |
29 | different MIPS ELF from other targets. This matters when linking. | |
30 | This file supports both, switching at runtime. */ | |
31 | ||
32 | #include "bfd.h" | |
33 | #include "sysdep.h" | |
34 | #include "libbfd.h" | |
35 | #include "bfdlink.h" | |
36 | #include "genlink.h" | |
37 | #include "elf-bfd.h" | |
38 | #include "elfxx-mips.h" | |
39 | #include "elf/mips.h" | |
40 | ||
41 | /* Get the ECOFF swapping routines. */ | |
42 | #include "coff/sym.h" | |
43 | #include "coff/symconst.h" | |
44 | #include "coff/internal.h" | |
45 | #include "coff/ecoff.h" | |
46 | #include "coff/mips.h" | |
47 | #define ECOFF_SIGNED_32 | |
48 | #include "ecoffswap.h" | |
49 | ||
50 | static bfd_reloc_status_type mips_elf_generic_reloc | |
51 | PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); | |
52 | static bfd_reloc_status_type mips_elf_hi16_reloc | |
53 | PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); | |
54 | static bfd_reloc_status_type mips_elf_lo16_reloc | |
55 | PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); | |
56 | static bfd_reloc_status_type mips_elf_got16_reloc | |
57 | PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); | |
b34976b6 AM |
58 | static bfd_boolean mips_elf_assign_gp |
59 | PARAMS ((bfd *, bfd_vma *)); | |
8a397dad | 60 | static bfd_reloc_status_type mips_elf_final_gp |
b34976b6 | 61 | PARAMS ((bfd *, asymbol *, bfd_boolean, char **, bfd_vma *)); |
8a397dad TS |
62 | static bfd_reloc_status_type mips_elf_gprel16_reloc |
63 | PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); | |
64 | static bfd_reloc_status_type mips_elf_literal_reloc | |
65 | PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); | |
66 | static bfd_reloc_status_type mips_elf_gprel32_reloc | |
67 | PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); | |
68 | static bfd_reloc_status_type gprel32_with_gp | |
b34976b6 AM |
69 | PARAMS ((bfd *, asymbol *, arelent *, asection *, bfd_boolean, PTR, |
70 | bfd_vma)); | |
8a397dad TS |
71 | static bfd_reloc_status_type mips_elf_shift6_reloc |
72 | PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); | |
73 | static bfd_reloc_status_type mips16_jump_reloc | |
74 | PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); | |
75 | static bfd_reloc_status_type mips16_gprel_reloc | |
76 | PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); | |
77 | static reloc_howto_type *bfd_elf32_bfd_reloc_type_lookup | |
78 | PARAMS ((bfd *, bfd_reloc_code_real_type)); | |
79 | static reloc_howto_type *mips_elf_n32_rtype_to_howto | |
b34976b6 | 80 | PARAMS ((unsigned int, bfd_boolean)); |
8a397dad | 81 | static void mips_info_to_howto_rel |
947216bf | 82 | PARAMS ((bfd *, arelent *, Elf_Internal_Rela *)); |
8a397dad | 83 | static void mips_info_to_howto_rela |
947216bf | 84 | PARAMS ((bfd *, arelent *, Elf_Internal_Rela *)); |
b34976b6 AM |
85 | static bfd_boolean mips_elf_sym_is_global |
86 | PARAMS ((bfd *, asymbol *)); | |
87 | static bfd_boolean mips_elf_n32_object_p | |
88 | PARAMS ((bfd *)); | |
89 | static bfd_boolean elf32_mips_grok_prstatus | |
8a397dad | 90 | PARAMS ((bfd *, Elf_Internal_Note *)); |
b34976b6 | 91 | static bfd_boolean elf32_mips_grok_psinfo |
8a397dad TS |
92 | PARAMS ((bfd *, Elf_Internal_Note *)); |
93 | static irix_compat_t elf_n32_mips_irix_compat | |
94 | PARAMS ((bfd *)); | |
95 | ||
96 | extern const bfd_target bfd_elf32_nbigmips_vec; | |
97 | extern const bfd_target bfd_elf32_nlittlemips_vec; | |
98 | ||
ab7d0aa0 | 99 | static asection *prev_reloc_section = NULL; |
8a397dad TS |
100 | static bfd_vma prev_reloc_address = -1; |
101 | static bfd_vma prev_reloc_addend = 0; | |
102 | ||
103 | /* Nonzero if ABFD is using the N32 ABI. */ | |
104 | #define ABI_N32_P(abfd) \ | |
105 | ((elf_elfheader (abfd)->e_flags & EF_MIPS_ABI2) != 0) | |
106 | ||
107 | /* Whether we are trying to be compatible with IRIX at all. */ | |
108 | #define SGI_COMPAT(abfd) \ | |
109 | (elf_n32_mips_irix_compat (abfd) != ict_none) | |
110 | ||
111 | /* The number of local .got entries we reserve. */ | |
112 | #define MIPS_RESERVED_GOTNO (2) | |
113 | ||
114 | /* In case we're on a 32-bit machine, construct a 64-bit "-1" value | |
115 | from smaller values. Start with zero, widen, *then* decrement. */ | |
116 | #define MINUS_ONE (((bfd_vma)0) - 1) | |
117 | ||
118 | /* The relocation table used for SHT_REL sections. */ | |
119 | ||
120 | static reloc_howto_type elf_mips_howto_table_rel[] = | |
121 | { | |
122 | /* No relocation. */ | |
123 | HOWTO (R_MIPS_NONE, /* type */ | |
124 | 0, /* rightshift */ | |
125 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
126 | 0, /* bitsize */ | |
b34976b6 | 127 | FALSE, /* pc_relative */ |
8a397dad TS |
128 | 0, /* bitpos */ |
129 | complain_overflow_dont, /* complain_on_overflow */ | |
130 | mips_elf_generic_reloc, /* special_function */ | |
131 | "R_MIPS_NONE", /* name */ | |
b34976b6 | 132 | FALSE, /* partial_inplace */ |
8a397dad TS |
133 | 0, /* src_mask */ |
134 | 0, /* dst_mask */ | |
b34976b6 | 135 | FALSE), /* pcrel_offset */ |
8a397dad TS |
136 | |
137 | /* 16 bit relocation. */ | |
138 | HOWTO (R_MIPS_16, /* type */ | |
139 | 0, /* rightshift */ | |
140 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
141 | 16, /* bitsize */ | |
b34976b6 | 142 | FALSE, /* pc_relative */ |
8a397dad TS |
143 | 0, /* bitpos */ |
144 | complain_overflow_signed, /* complain_on_overflow */ | |
145 | mips_elf_generic_reloc, /* special_function */ | |
146 | "R_MIPS_16", /* name */ | |
b34976b6 | 147 | TRUE, /* partial_inplace */ |
8a397dad TS |
148 | 0x0000ffff, /* src_mask */ |
149 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 150 | FALSE), /* pcrel_offset */ |
8a397dad TS |
151 | |
152 | /* 32 bit relocation. */ | |
153 | HOWTO (R_MIPS_32, /* type */ | |
154 | 0, /* rightshift */ | |
155 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
156 | 32, /* bitsize */ | |
b34976b6 | 157 | FALSE, /* pc_relative */ |
8a397dad TS |
158 | 0, /* bitpos */ |
159 | complain_overflow_dont, /* complain_on_overflow */ | |
160 | mips_elf_generic_reloc, /* special_function */ | |
161 | "R_MIPS_32", /* name */ | |
b34976b6 | 162 | TRUE, /* partial_inplace */ |
8a397dad TS |
163 | 0xffffffff, /* src_mask */ |
164 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 165 | FALSE), /* pcrel_offset */ |
8a397dad TS |
166 | |
167 | /* 32 bit symbol relative relocation. */ | |
168 | HOWTO (R_MIPS_REL32, /* type */ | |
169 | 0, /* rightshift */ | |
170 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
171 | 32, /* bitsize */ | |
b34976b6 | 172 | FALSE, /* pc_relative */ |
8a397dad TS |
173 | 0, /* bitpos */ |
174 | complain_overflow_dont, /* complain_on_overflow */ | |
175 | mips_elf_generic_reloc, /* special_function */ | |
176 | "R_MIPS_REL32", /* name */ | |
b34976b6 | 177 | TRUE, /* partial_inplace */ |
8a397dad TS |
178 | 0xffffffff, /* src_mask */ |
179 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 180 | FALSE), /* pcrel_offset */ |
8a397dad TS |
181 | |
182 | /* 26 bit jump address. */ | |
183 | HOWTO (R_MIPS_26, /* type */ | |
184 | 2, /* rightshift */ | |
185 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
186 | 26, /* bitsize */ | |
b34976b6 | 187 | FALSE, /* pc_relative */ |
8a397dad TS |
188 | 0, /* bitpos */ |
189 | complain_overflow_dont, /* complain_on_overflow */ | |
190 | /* This needs complex overflow | |
191 | detection, because the upper four | |
192 | bits must match the PC + 4. */ | |
193 | mips_elf_generic_reloc, /* special_function */ | |
194 | "R_MIPS_26", /* name */ | |
b34976b6 | 195 | TRUE, /* partial_inplace */ |
8a397dad TS |
196 | 0x03ffffff, /* src_mask */ |
197 | 0x03ffffff, /* dst_mask */ | |
b34976b6 | 198 | FALSE), /* pcrel_offset */ |
8a397dad TS |
199 | |
200 | /* R_MIPS_HI16 and R_MIPS_LO16 are unsupported for NewABI REL. | |
201 | However, the native IRIX6 tools use them, so we try our best. */ | |
202 | ||
203 | /* High 16 bits of symbol value. */ | |
204 | HOWTO (R_MIPS_HI16, /* type */ | |
205 | 0, /* rightshift */ | |
206 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
207 | 16, /* bitsize */ | |
b34976b6 | 208 | FALSE, /* pc_relative */ |
8a397dad TS |
209 | 0, /* bitpos */ |
210 | complain_overflow_dont, /* complain_on_overflow */ | |
211 | mips_elf_hi16_reloc, /* special_function */ | |
212 | "R_MIPS_HI16", /* name */ | |
b34976b6 | 213 | TRUE, /* partial_inplace */ |
8a397dad TS |
214 | 0x0000ffff, /* src_mask */ |
215 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 216 | FALSE), /* pcrel_offset */ |
8a397dad TS |
217 | |
218 | /* Low 16 bits of symbol value. */ | |
219 | HOWTO (R_MIPS_LO16, /* type */ | |
220 | 0, /* rightshift */ | |
221 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
222 | 16, /* bitsize */ | |
b34976b6 | 223 | FALSE, /* pc_relative */ |
8a397dad TS |
224 | 0, /* bitpos */ |
225 | complain_overflow_dont, /* complain_on_overflow */ | |
226 | mips_elf_lo16_reloc, /* special_function */ | |
227 | "R_MIPS_LO16", /* name */ | |
b34976b6 | 228 | TRUE, /* partial_inplace */ |
8a397dad TS |
229 | 0x0000ffff, /* src_mask */ |
230 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 231 | FALSE), /* pcrel_offset */ |
8a397dad TS |
232 | |
233 | /* GP relative reference. */ | |
234 | HOWTO (R_MIPS_GPREL16, /* type */ | |
235 | 0, /* rightshift */ | |
236 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
237 | 16, /* bitsize */ | |
b34976b6 | 238 | FALSE, /* pc_relative */ |
8a397dad TS |
239 | 0, /* bitpos */ |
240 | complain_overflow_signed, /* complain_on_overflow */ | |
241 | mips_elf_gprel16_reloc, /* special_function */ | |
242 | "R_MIPS_GPREL16", /* name */ | |
b34976b6 | 243 | TRUE, /* partial_inplace */ |
8a397dad TS |
244 | 0x0000ffff, /* src_mask */ |
245 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 246 | FALSE), /* pcrel_offset */ |
8a397dad TS |
247 | |
248 | /* Reference to literal section. */ | |
249 | HOWTO (R_MIPS_LITERAL, /* type */ | |
250 | 0, /* rightshift */ | |
251 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
252 | 16, /* bitsize */ | |
b34976b6 | 253 | FALSE, /* pc_relative */ |
8a397dad TS |
254 | 0, /* bitpos */ |
255 | complain_overflow_signed, /* complain_on_overflow */ | |
256 | mips_elf_literal_reloc, /* special_function */ | |
257 | "R_MIPS_LITERAL", /* name */ | |
b34976b6 | 258 | TRUE, /* partial_inplace */ |
8a397dad TS |
259 | 0x0000ffff, /* src_mask */ |
260 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 261 | FALSE), /* pcrel_offset */ |
8a397dad TS |
262 | |
263 | /* Reference to global offset table. */ | |
264 | HOWTO (R_MIPS_GOT16, /* type */ | |
265 | 0, /* rightshift */ | |
266 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
267 | 16, /* bitsize */ | |
b34976b6 | 268 | FALSE, /* pc_relative */ |
8a397dad TS |
269 | 0, /* bitpos */ |
270 | complain_overflow_signed, /* complain_on_overflow */ | |
271 | mips_elf_got16_reloc, /* special_function */ | |
272 | "R_MIPS_GOT16", /* name */ | |
b34976b6 | 273 | TRUE, /* partial_inplace */ |
8a397dad TS |
274 | 0x0000ffff, /* src_mask */ |
275 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 276 | FALSE), /* pcrel_offset */ |
8a397dad | 277 | |
7c2be35c TS |
278 | /* 16 bit PC relative reference. Note that the ABI document has a typo |
279 | and claims R_MIPS_PC16 to be not rightshifted, rendering it useless. | |
280 | We do the right thing here. */ | |
8a397dad | 281 | HOWTO (R_MIPS_PC16, /* type */ |
7c2be35c | 282 | 2, /* rightshift */ |
8a397dad TS |
283 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
284 | 16, /* bitsize */ | |
b34976b6 | 285 | TRUE, /* pc_relative */ |
8a397dad TS |
286 | 0, /* bitpos */ |
287 | complain_overflow_signed, /* complain_on_overflow */ | |
288 | mips_elf_generic_reloc, /* special_function */ | |
289 | "R_MIPS_PC16", /* name */ | |
b34976b6 | 290 | TRUE, /* partial_inplace */ |
8a397dad TS |
291 | 0x0000ffff, /* src_mask */ |
292 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 293 | TRUE), /* pcrel_offset */ |
8a397dad TS |
294 | |
295 | /* 16 bit call through global offset table. */ | |
296 | HOWTO (R_MIPS_CALL16, /* type */ | |
297 | 0, /* rightshift */ | |
298 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
299 | 16, /* bitsize */ | |
b34976b6 | 300 | FALSE, /* pc_relative */ |
8a397dad TS |
301 | 0, /* bitpos */ |
302 | complain_overflow_signed, /* complain_on_overflow */ | |
303 | mips_elf_generic_reloc, /* special_function */ | |
304 | "R_MIPS_CALL16", /* name */ | |
b34976b6 | 305 | TRUE, /* partial_inplace */ |
8a397dad TS |
306 | 0x0000ffff, /* src_mask */ |
307 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 308 | FALSE), /* pcrel_offset */ |
8a397dad TS |
309 | |
310 | /* 32 bit GP relative reference. */ | |
311 | HOWTO (R_MIPS_GPREL32, /* type */ | |
312 | 0, /* rightshift */ | |
313 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
314 | 32, /* bitsize */ | |
b34976b6 | 315 | FALSE, /* pc_relative */ |
8a397dad TS |
316 | 0, /* bitpos */ |
317 | complain_overflow_dont, /* complain_on_overflow */ | |
318 | mips_elf_gprel32_reloc, /* special_function */ | |
319 | "R_MIPS_GPREL32", /* name */ | |
b34976b6 | 320 | TRUE, /* partial_inplace */ |
8a397dad TS |
321 | 0xffffffff, /* src_mask */ |
322 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 323 | FALSE), /* pcrel_offset */ |
8a397dad TS |
324 | |
325 | /* The remaining relocs are defined on Irix 5, although they are | |
326 | not defined by the ABI. */ | |
327 | EMPTY_HOWTO (13), | |
328 | EMPTY_HOWTO (14), | |
329 | EMPTY_HOWTO (15), | |
330 | ||
331 | /* A 5 bit shift field. */ | |
332 | HOWTO (R_MIPS_SHIFT5, /* type */ | |
333 | 0, /* rightshift */ | |
334 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
335 | 5, /* bitsize */ | |
b34976b6 | 336 | FALSE, /* pc_relative */ |
8a397dad TS |
337 | 6, /* bitpos */ |
338 | complain_overflow_bitfield, /* complain_on_overflow */ | |
339 | mips_elf_generic_reloc, /* special_function */ | |
340 | "R_MIPS_SHIFT5", /* name */ | |
b34976b6 | 341 | TRUE, /* partial_inplace */ |
8a397dad TS |
342 | 0x000007c0, /* src_mask */ |
343 | 0x000007c0, /* dst_mask */ | |
b34976b6 | 344 | FALSE), /* pcrel_offset */ |
8a397dad TS |
345 | |
346 | /* A 6 bit shift field. */ | |
347 | HOWTO (R_MIPS_SHIFT6, /* type */ | |
348 | 0, /* rightshift */ | |
349 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
350 | 6, /* bitsize */ | |
b34976b6 | 351 | FALSE, /* pc_relative */ |
8a397dad TS |
352 | 6, /* bitpos */ |
353 | complain_overflow_bitfield, /* complain_on_overflow */ | |
354 | mips_elf_shift6_reloc, /* special_function */ | |
355 | "R_MIPS_SHIFT6", /* name */ | |
b34976b6 | 356 | TRUE, /* partial_inplace */ |
8a397dad TS |
357 | 0x000007c4, /* src_mask */ |
358 | 0x000007c4, /* dst_mask */ | |
b34976b6 | 359 | FALSE), /* pcrel_offset */ |
8a397dad TS |
360 | |
361 | /* A 64 bit relocation. */ | |
362 | HOWTO (R_MIPS_64, /* type */ | |
363 | 0, /* rightshift */ | |
364 | 4, /* size (0 = byte, 1 = short, 2 = long) */ | |
365 | 64, /* bitsize */ | |
b34976b6 | 366 | FALSE, /* pc_relative */ |
8a397dad TS |
367 | 0, /* bitpos */ |
368 | complain_overflow_dont, /* complain_on_overflow */ | |
369 | mips_elf_generic_reloc, /* special_function */ | |
370 | "R_MIPS_64", /* name */ | |
b34976b6 | 371 | TRUE, /* partial_inplace */ |
8a397dad TS |
372 | MINUS_ONE, /* src_mask */ |
373 | MINUS_ONE, /* dst_mask */ | |
b34976b6 | 374 | FALSE), /* pcrel_offset */ |
8a397dad TS |
375 | |
376 | /* Displacement in the global offset table. */ | |
377 | HOWTO (R_MIPS_GOT_DISP, /* 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 */ | |
384 | mips_elf_generic_reloc, /* special_function */ | |
385 | "R_MIPS_GOT_DISP", /* 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 | /* Displacement to page pointer in the global offset table. */ | |
392 | HOWTO (R_MIPS_GOT_PAGE, /* 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 */ | |
399 | mips_elf_generic_reloc, /* special_function */ | |
400 | "R_MIPS_GOT_PAGE", /* 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 | /* Offset from page pointer in the global offset table. */ | |
407 | HOWTO (R_MIPS_GOT_OFST, /* 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_signed, /* complain_on_overflow */ | |
414 | mips_elf_generic_reloc, /* special_function */ | |
415 | "R_MIPS_GOT_OFST", /* 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 | /* High 16 bits of displacement in global offset table. */ | |
422 | HOWTO (R_MIPS_GOT_HI16, /* 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 */ | |
429 | mips_elf_generic_reloc, /* special_function */ | |
430 | "R_MIPS_GOT_HI16", /* 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 | /* Low 16 bits of displacement in global offset table. */ | |
437 | HOWTO (R_MIPS_GOT_LO16, /* type */ | |
438 | 0, /* rightshift */ | |
439 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
440 | 16, /* bitsize */ | |
b34976b6 | 441 | FALSE, /* pc_relative */ |
8a397dad TS |
442 | 0, /* bitpos */ |
443 | complain_overflow_dont, /* complain_on_overflow */ | |
444 | mips_elf_generic_reloc, /* special_function */ | |
445 | "R_MIPS_GOT_LO16", /* name */ | |
b34976b6 | 446 | TRUE, /* partial_inplace */ |
8a397dad TS |
447 | 0x0000ffff, /* src_mask */ |
448 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 449 | FALSE), /* pcrel_offset */ |
8a397dad TS |
450 | |
451 | /* 64 bit subtraction. */ | |
452 | HOWTO (R_MIPS_SUB, /* type */ | |
453 | 0, /* rightshift */ | |
454 | 4, /* size (0 = byte, 1 = short, 2 = long) */ | |
455 | 64, /* bitsize */ | |
b34976b6 | 456 | FALSE, /* pc_relative */ |
8a397dad TS |
457 | 0, /* bitpos */ |
458 | complain_overflow_dont, /* complain_on_overflow */ | |
459 | mips_elf_generic_reloc, /* special_function */ | |
460 | "R_MIPS_SUB", /* name */ | |
b34976b6 | 461 | TRUE, /* partial_inplace */ |
8a397dad TS |
462 | MINUS_ONE, /* src_mask */ |
463 | MINUS_ONE, /* dst_mask */ | |
b34976b6 | 464 | FALSE), /* pcrel_offset */ |
8a397dad TS |
465 | |
466 | /* Insert the addend as an instruction. */ | |
467 | /* FIXME: Not handled correctly. */ | |
468 | HOWTO (R_MIPS_INSERT_A, /* type */ | |
469 | 0, /* rightshift */ | |
470 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
471 | 32, /* bitsize */ | |
b34976b6 | 472 | FALSE, /* pc_relative */ |
8a397dad TS |
473 | 0, /* bitpos */ |
474 | complain_overflow_dont, /* complain_on_overflow */ | |
475 | mips_elf_generic_reloc, /* special_function */ | |
476 | "R_MIPS_INSERT_A", /* name */ | |
b34976b6 | 477 | TRUE, /* partial_inplace */ |
8a397dad TS |
478 | 0xffffffff, /* src_mask */ |
479 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 480 | FALSE), /* pcrel_offset */ |
8a397dad TS |
481 | |
482 | /* Insert the addend as an instruction, and change all relocations | |
483 | to refer to the old instruction at the address. */ | |
484 | /* FIXME: Not handled correctly. */ | |
485 | HOWTO (R_MIPS_INSERT_B, /* type */ | |
486 | 0, /* rightshift */ | |
487 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
488 | 32, /* bitsize */ | |
b34976b6 | 489 | FALSE, /* pc_relative */ |
8a397dad TS |
490 | 0, /* bitpos */ |
491 | complain_overflow_dont, /* complain_on_overflow */ | |
492 | mips_elf_generic_reloc, /* special_function */ | |
493 | "R_MIPS_INSERT_B", /* name */ | |
b34976b6 | 494 | TRUE, /* partial_inplace */ |
8a397dad TS |
495 | 0xffffffff, /* src_mask */ |
496 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 497 | FALSE), /* pcrel_offset */ |
8a397dad TS |
498 | |
499 | /* Delete a 32 bit instruction. */ | |
500 | /* FIXME: Not handled correctly. */ | |
501 | HOWTO (R_MIPS_DELETE, /* type */ | |
502 | 0, /* rightshift */ | |
503 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
504 | 32, /* bitsize */ | |
b34976b6 | 505 | FALSE, /* pc_relative */ |
8a397dad TS |
506 | 0, /* bitpos */ |
507 | complain_overflow_dont, /* complain_on_overflow */ | |
508 | mips_elf_generic_reloc, /* special_function */ | |
509 | "R_MIPS_DELETE", /* name */ | |
b34976b6 | 510 | TRUE, /* partial_inplace */ |
8a397dad TS |
511 | 0xffffffff, /* src_mask */ |
512 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 513 | FALSE), /* pcrel_offset */ |
8a397dad TS |
514 | |
515 | /* The MIPS ELF64 ABI Draft wants us to support these for REL relocations. | |
516 | We don't, because | |
517 | a) It means building the addend from a R_MIPS_HIGHEST/R_MIPS_HIGHER/ | |
518 | R_MIPS_HI16/R_MIPS_LO16 sequence with varying ordering, using | |
519 | fallable heuristics. | |
520 | b) No other NEwABI toolchain actually emits such relocations. */ | |
521 | EMPTY_HOWTO (R_MIPS_HIGHER), | |
522 | EMPTY_HOWTO (R_MIPS_HIGHEST), | |
523 | ||
524 | /* High 16 bits of displacement in global offset table. */ | |
525 | HOWTO (R_MIPS_CALL_HI16, /* 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 */ | |
532 | mips_elf_generic_reloc, /* special_function */ | |
533 | "R_MIPS_CALL_HI16", /* 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 | /* Low 16 bits of displacement in global offset table. */ | |
540 | HOWTO (R_MIPS_CALL_LO16, /* type */ | |
541 | 0, /* rightshift */ | |
542 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
543 | 16, /* bitsize */ | |
b34976b6 | 544 | FALSE, /* pc_relative */ |
8a397dad TS |
545 | 0, /* bitpos */ |
546 | complain_overflow_dont, /* complain_on_overflow */ | |
547 | mips_elf_generic_reloc, /* special_function */ | |
548 | "R_MIPS_CALL_LO16", /* name */ | |
b34976b6 | 549 | TRUE, /* partial_inplace */ |
8a397dad TS |
550 | 0x0000ffff, /* src_mask */ |
551 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 552 | FALSE), /* pcrel_offset */ |
8a397dad TS |
553 | |
554 | /* Section displacement. */ | |
555 | HOWTO (R_MIPS_SCN_DISP, /* type */ | |
556 | 0, /* rightshift */ | |
557 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
558 | 32, /* bitsize */ | |
b34976b6 | 559 | FALSE, /* pc_relative */ |
8a397dad TS |
560 | 0, /* bitpos */ |
561 | complain_overflow_dont, /* complain_on_overflow */ | |
562 | mips_elf_generic_reloc, /* special_function */ | |
563 | "R_MIPS_SCN_DISP", /* name */ | |
b34976b6 | 564 | TRUE, /* partial_inplace */ |
8a397dad TS |
565 | 0xffffffff, /* src_mask */ |
566 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 567 | FALSE), /* pcrel_offset */ |
8a397dad TS |
568 | |
569 | HOWTO (R_MIPS_REL16, /* type */ | |
570 | 0, /* rightshift */ | |
571 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
572 | 16, /* bitsize */ | |
b34976b6 | 573 | FALSE, /* pc_relative */ |
8a397dad TS |
574 | 0, /* bitpos */ |
575 | complain_overflow_signed, /* complain_on_overflow */ | |
576 | mips_elf_generic_reloc, /* special_function */ | |
577 | "R_MIPS_REL16", /* name */ | |
b34976b6 | 578 | TRUE, /* partial_inplace */ |
8a397dad TS |
579 | 0xffff, /* src_mask */ |
580 | 0xffff, /* dst_mask */ | |
b34976b6 | 581 | FALSE), /* pcrel_offset */ |
8a397dad TS |
582 | |
583 | /* These two are obsolete. */ | |
584 | EMPTY_HOWTO (R_MIPS_ADD_IMMEDIATE), | |
585 | EMPTY_HOWTO (R_MIPS_PJUMP), | |
586 | ||
587 | /* Similiar to R_MIPS_REL32, but used for relocations in a GOT section. | |
588 | It must be used for multigot GOT's (and only there). */ | |
589 | HOWTO (R_MIPS_RELGOT, /* type */ | |
590 | 0, /* rightshift */ | |
591 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
592 | 32, /* bitsize */ | |
b34976b6 | 593 | FALSE, /* pc_relative */ |
8a397dad TS |
594 | 0, /* bitpos */ |
595 | complain_overflow_dont, /* complain_on_overflow */ | |
596 | mips_elf_generic_reloc, /* special_function */ | |
597 | "R_MIPS_RELGOT", /* name */ | |
b34976b6 | 598 | TRUE, /* partial_inplace */ |
8a397dad TS |
599 | 0xffffffff, /* src_mask */ |
600 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 601 | FALSE), /* pcrel_offset */ |
8a397dad TS |
602 | |
603 | /* Protected jump conversion. This is an optimization hint. No | |
604 | relocation is required for correctness. */ | |
605 | HOWTO (R_MIPS_JALR, /* type */ | |
606 | 0, /* rightshift */ | |
607 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
608 | 32, /* bitsize */ | |
b34976b6 | 609 | FALSE, /* pc_relative */ |
8a397dad TS |
610 | 0, /* bitpos */ |
611 | complain_overflow_dont, /* complain_on_overflow */ | |
612 | mips_elf_generic_reloc, /* special_function */ | |
613 | "R_MIPS_JALR", /* name */ | |
b34976b6 | 614 | FALSE, /* partial_inplace */ |
8a397dad TS |
615 | 0x00000000, /* src_mask */ |
616 | 0x00000000, /* dst_mask */ | |
b34976b6 | 617 | FALSE), /* pcrel_offset */ |
8a397dad TS |
618 | }; |
619 | ||
620 | /* The relocation table used for SHT_RELA sections. */ | |
621 | ||
622 | static reloc_howto_type elf_mips_howto_table_rela[] = | |
623 | { | |
624 | /* No relocation. */ | |
625 | HOWTO (R_MIPS_NONE, /* type */ | |
626 | 0, /* rightshift */ | |
627 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
628 | 0, /* bitsize */ | |
b34976b6 | 629 | FALSE, /* pc_relative */ |
8a397dad TS |
630 | 0, /* bitpos */ |
631 | complain_overflow_dont, /* complain_on_overflow */ | |
632 | mips_elf_generic_reloc, /* special_function */ | |
633 | "R_MIPS_NONE", /* name */ | |
b34976b6 | 634 | FALSE, /* partial_inplace */ |
8a397dad TS |
635 | 0, /* src_mask */ |
636 | 0, /* dst_mask */ | |
b34976b6 | 637 | FALSE), /* pcrel_offset */ |
8a397dad TS |
638 | |
639 | /* 16 bit relocation. */ | |
640 | HOWTO (R_MIPS_16, /* type */ | |
641 | 0, /* rightshift */ | |
642 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
643 | 16, /* bitsize */ | |
b34976b6 | 644 | FALSE, /* pc_relative */ |
8a397dad TS |
645 | 0, /* bitpos */ |
646 | complain_overflow_signed, /* complain_on_overflow */ | |
647 | mips_elf_generic_reloc, /* special_function */ | |
648 | "R_MIPS_16", /* name */ | |
b34976b6 | 649 | FALSE, /* partial_inplace */ |
8a397dad TS |
650 | 0, /* src_mask */ |
651 | 0x0000, /* dst_mask */ | |
b34976b6 | 652 | FALSE), /* pcrel_offset */ |
8a397dad TS |
653 | |
654 | /* 32 bit relocation. */ | |
655 | HOWTO (R_MIPS_32, /* type */ | |
656 | 0, /* rightshift */ | |
657 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
658 | 32, /* bitsize */ | |
b34976b6 | 659 | FALSE, /* pc_relative */ |
8a397dad TS |
660 | 0, /* bitpos */ |
661 | complain_overflow_dont, /* complain_on_overflow */ | |
662 | mips_elf_generic_reloc, /* special_function */ | |
663 | "R_MIPS_32", /* name */ | |
b34976b6 | 664 | FALSE, /* partial_inplace */ |
8a397dad TS |
665 | 0, /* src_mask */ |
666 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 667 | FALSE), /* pcrel_offset */ |
8a397dad TS |
668 | |
669 | /* 32 bit symbol relative relocation. */ | |
670 | HOWTO (R_MIPS_REL32, /* type */ | |
671 | 0, /* rightshift */ | |
672 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
673 | 32, /* bitsize */ | |
b34976b6 | 674 | FALSE, /* pc_relative */ |
8a397dad TS |
675 | 0, /* bitpos */ |
676 | complain_overflow_dont, /* complain_on_overflow */ | |
677 | mips_elf_generic_reloc, /* special_function */ | |
678 | "R_MIPS_REL32", /* name */ | |
b34976b6 | 679 | FALSE, /* partial_inplace */ |
8a397dad TS |
680 | 0, /* src_mask */ |
681 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 682 | FALSE), /* pcrel_offset */ |
8a397dad TS |
683 | |
684 | /* 26 bit jump address. */ | |
685 | HOWTO (R_MIPS_26, /* type */ | |
686 | 2, /* rightshift */ | |
687 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
688 | 26, /* bitsize */ | |
b34976b6 | 689 | FALSE, /* pc_relative */ |
8a397dad TS |
690 | 0, /* bitpos */ |
691 | complain_overflow_dont, /* complain_on_overflow */ | |
692 | /* This needs complex overflow | |
693 | detection, because the upper 36 | |
694 | bits must match the PC + 4. */ | |
695 | mips_elf_generic_reloc, /* special_function */ | |
696 | "R_MIPS_26", /* name */ | |
b34976b6 | 697 | FALSE, /* partial_inplace */ |
8a397dad TS |
698 | 0, /* src_mask */ |
699 | 0x03ffffff, /* dst_mask */ | |
b34976b6 | 700 | FALSE), /* pcrel_offset */ |
8a397dad TS |
701 | |
702 | /* High 16 bits of symbol value. */ | |
703 | HOWTO (R_MIPS_HI16, /* type */ | |
704 | 0, /* rightshift */ | |
705 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
706 | 16, /* bitsize */ | |
b34976b6 | 707 | FALSE, /* pc_relative */ |
8a397dad TS |
708 | 0, /* bitpos */ |
709 | complain_overflow_dont, /* complain_on_overflow */ | |
710 | mips_elf_generic_reloc, /* special_function */ | |
711 | "R_MIPS_HI16", /* name */ | |
b34976b6 | 712 | FALSE, /* partial_inplace */ |
8a397dad TS |
713 | 0, /* src_mask */ |
714 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 715 | FALSE), /* pcrel_offset */ |
8a397dad TS |
716 | |
717 | /* Low 16 bits of symbol value. */ | |
718 | HOWTO (R_MIPS_LO16, /* type */ | |
719 | 0, /* rightshift */ | |
720 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
721 | 16, /* bitsize */ | |
b34976b6 | 722 | FALSE, /* pc_relative */ |
8a397dad TS |
723 | 0, /* bitpos */ |
724 | complain_overflow_dont, /* complain_on_overflow */ | |
725 | mips_elf_generic_reloc, /* special_function */ | |
726 | "R_MIPS_LO16", /* name */ | |
b34976b6 | 727 | FALSE, /* partial_inplace */ |
8a397dad TS |
728 | 0, /* src_mask */ |
729 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 730 | FALSE), /* pcrel_offset */ |
8a397dad TS |
731 | |
732 | /* GP relative reference. */ | |
733 | HOWTO (R_MIPS_GPREL16, /* type */ | |
734 | 0, /* rightshift */ | |
735 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
736 | 16, /* bitsize */ | |
b34976b6 | 737 | FALSE, /* pc_relative */ |
8a397dad TS |
738 | 0, /* bitpos */ |
739 | complain_overflow_signed, /* complain_on_overflow */ | |
740 | mips_elf_gprel16_reloc, /* special_function */ | |
741 | "R_MIPS_GPREL16", /* name */ | |
b34976b6 | 742 | FALSE, /* partial_inplace */ |
8a397dad TS |
743 | 0, /* src_mask */ |
744 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 745 | FALSE), /* pcrel_offset */ |
8a397dad TS |
746 | |
747 | /* Reference to literal section. */ | |
748 | HOWTO (R_MIPS_LITERAL, /* type */ | |
749 | 0, /* rightshift */ | |
750 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
751 | 16, /* bitsize */ | |
b34976b6 | 752 | FALSE, /* pc_relative */ |
8a397dad TS |
753 | 0, /* bitpos */ |
754 | complain_overflow_signed, /* complain_on_overflow */ | |
755 | mips_elf_literal_reloc, /* special_function */ | |
756 | "R_MIPS_LITERAL", /* name */ | |
b34976b6 | 757 | FALSE, /* partial_inplace */ |
8a397dad TS |
758 | 0, /* src_mask */ |
759 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 760 | FALSE), /* pcrel_offset */ |
8a397dad TS |
761 | |
762 | /* Reference to global offset table. */ | |
763 | HOWTO (R_MIPS_GOT16, /* type */ | |
764 | 0, /* rightshift */ | |
765 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
766 | 16, /* bitsize */ | |
b34976b6 | 767 | FALSE, /* pc_relative */ |
8a397dad TS |
768 | 0, /* bitpos */ |
769 | complain_overflow_signed, /* complain_on_overflow */ | |
770 | mips_elf_got16_reloc, /* special_function */ | |
771 | "R_MIPS_GOT16", /* name */ | |
b34976b6 | 772 | FALSE, /* partial_inplace */ |
8a397dad TS |
773 | 0, /* src_mask */ |
774 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 775 | FALSE), /* pcrel_offset */ |
8a397dad | 776 | |
7c2be35c TS |
777 | /* 16 bit PC relative reference. Note that the ABI document has a typo |
778 | and claims R_MIPS_PC16 to be not rightshifted, rendering it useless. | |
779 | We do the right thing here. */ | |
8a397dad | 780 | HOWTO (R_MIPS_PC16, /* type */ |
7c2be35c | 781 | 2, /* rightshift */ |
8a397dad TS |
782 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
783 | 16, /* bitsize */ | |
b34976b6 | 784 | TRUE, /* pc_relative */ |
8a397dad TS |
785 | 0, /* bitpos */ |
786 | complain_overflow_signed, /* complain_on_overflow */ | |
787 | mips_elf_generic_reloc, /* special_function */ | |
788 | "R_MIPS_PC16", /* name */ | |
b34976b6 | 789 | FALSE, /* partial_inplace */ |
8a397dad TS |
790 | 0, /* src_mask */ |
791 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 792 | TRUE), /* pcrel_offset */ |
8a397dad TS |
793 | |
794 | /* 16 bit call through global offset table. */ | |
795 | HOWTO (R_MIPS_CALL16, /* type */ | |
796 | 0, /* rightshift */ | |
797 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
798 | 16, /* bitsize */ | |
b34976b6 | 799 | FALSE, /* pc_relative */ |
8a397dad TS |
800 | 0, /* bitpos */ |
801 | complain_overflow_signed, /* complain_on_overflow */ | |
802 | mips_elf_generic_reloc, /* special_function */ | |
803 | "R_MIPS_CALL16", /* name */ | |
b34976b6 | 804 | FALSE, /* partial_inplace */ |
8a397dad TS |
805 | 0, /* src_mask */ |
806 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 807 | FALSE), /* pcrel_offset */ |
8a397dad TS |
808 | |
809 | /* 32 bit GP relative reference. */ | |
810 | HOWTO (R_MIPS_GPREL32, /* type */ | |
811 | 0, /* rightshift */ | |
812 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
813 | 32, /* bitsize */ | |
b34976b6 | 814 | FALSE, /* pc_relative */ |
8a397dad TS |
815 | 0, /* bitpos */ |
816 | complain_overflow_dont, /* complain_on_overflow */ | |
817 | mips_elf_gprel32_reloc, /* special_function */ | |
818 | "R_MIPS_GPREL32", /* name */ | |
b34976b6 | 819 | FALSE, /* partial_inplace */ |
8a397dad TS |
820 | 0, /* src_mask */ |
821 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 822 | FALSE), /* pcrel_offset */ |
8a397dad TS |
823 | |
824 | EMPTY_HOWTO (13), | |
825 | EMPTY_HOWTO (14), | |
826 | EMPTY_HOWTO (15), | |
827 | ||
828 | /* A 5 bit shift field. */ | |
829 | HOWTO (R_MIPS_SHIFT5, /* type */ | |
830 | 0, /* rightshift */ | |
831 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
832 | 5, /* bitsize */ | |
b34976b6 | 833 | FALSE, /* pc_relative */ |
8a397dad TS |
834 | 6, /* bitpos */ |
835 | complain_overflow_bitfield, /* complain_on_overflow */ | |
836 | mips_elf_generic_reloc, /* special_function */ | |
837 | "R_MIPS_SHIFT5", /* name */ | |
b34976b6 | 838 | FALSE, /* partial_inplace */ |
8a397dad TS |
839 | 0, /* src_mask */ |
840 | 0x000007c0, /* dst_mask */ | |
b34976b6 | 841 | FALSE), /* pcrel_offset */ |
8a397dad TS |
842 | |
843 | /* A 6 bit shift field. */ | |
844 | HOWTO (R_MIPS_SHIFT6, /* type */ | |
845 | 0, /* rightshift */ | |
846 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
847 | 6, /* bitsize */ | |
b34976b6 | 848 | FALSE, /* pc_relative */ |
8a397dad TS |
849 | 6, /* bitpos */ |
850 | complain_overflow_bitfield, /* complain_on_overflow */ | |
851 | mips_elf_shift6_reloc, /* special_function */ | |
852 | "R_MIPS_SHIFT6", /* name */ | |
b34976b6 | 853 | FALSE, /* partial_inplace */ |
8a397dad TS |
854 | 0, /* src_mask */ |
855 | 0x000007c4, /* dst_mask */ | |
b34976b6 | 856 | FALSE), /* pcrel_offset */ |
8a397dad TS |
857 | |
858 | /* 64 bit relocation. */ | |
859 | HOWTO (R_MIPS_64, /* type */ | |
860 | 0, /* rightshift */ | |
861 | 4, /* size (0 = byte, 1 = short, 2 = long) */ | |
862 | 64, /* bitsize */ | |
b34976b6 | 863 | FALSE, /* pc_relative */ |
8a397dad TS |
864 | 0, /* bitpos */ |
865 | complain_overflow_dont, /* complain_on_overflow */ | |
866 | mips_elf_generic_reloc, /* special_function */ | |
867 | "R_MIPS_64", /* name */ | |
b34976b6 | 868 | FALSE, /* partial_inplace */ |
8a397dad TS |
869 | 0, /* src_mask */ |
870 | MINUS_ONE, /* dst_mask */ | |
b34976b6 | 871 | FALSE), /* pcrel_offset */ |
8a397dad TS |
872 | |
873 | /* Displacement in the global offset table. */ | |
874 | HOWTO (R_MIPS_GOT_DISP, /* type */ | |
875 | 0, /* rightshift */ | |
876 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
877 | 16, /* bitsize */ | |
b34976b6 | 878 | FALSE, /* pc_relative */ |
8a397dad TS |
879 | 0, /* bitpos */ |
880 | complain_overflow_signed, /* complain_on_overflow */ | |
881 | mips_elf_generic_reloc, /* special_function */ | |
882 | "R_MIPS_GOT_DISP", /* name */ | |
b34976b6 | 883 | FALSE, /* partial_inplace */ |
8a397dad TS |
884 | 0, /* src_mask */ |
885 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 886 | FALSE), /* pcrel_offset */ |
8a397dad TS |
887 | |
888 | /* Displacement to page pointer in the global offset table. */ | |
889 | HOWTO (R_MIPS_GOT_PAGE, /* type */ | |
890 | 0, /* rightshift */ | |
891 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
892 | 16, /* bitsize */ | |
b34976b6 | 893 | FALSE, /* pc_relative */ |
8a397dad TS |
894 | 0, /* bitpos */ |
895 | complain_overflow_signed, /* complain_on_overflow */ | |
896 | mips_elf_generic_reloc, /* special_function */ | |
897 | "R_MIPS_GOT_PAGE", /* name */ | |
b34976b6 | 898 | FALSE, /* partial_inplace */ |
8a397dad TS |
899 | 0, /* src_mask */ |
900 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 901 | FALSE), /* pcrel_offset */ |
8a397dad TS |
902 | |
903 | /* Offset from page pointer in the global offset table. */ | |
904 | HOWTO (R_MIPS_GOT_OFST, /* type */ | |
905 | 0, /* rightshift */ | |
906 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
907 | 16, /* bitsize */ | |
b34976b6 | 908 | FALSE, /* pc_relative */ |
8a397dad TS |
909 | 0, /* bitpos */ |
910 | complain_overflow_signed, /* complain_on_overflow */ | |
911 | mips_elf_generic_reloc, /* special_function */ | |
912 | "R_MIPS_GOT_OFST", /* name */ | |
b34976b6 | 913 | FALSE, /* partial_inplace */ |
8a397dad TS |
914 | 0, /* src_mask */ |
915 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 916 | FALSE), /* pcrel_offset */ |
8a397dad TS |
917 | |
918 | /* High 16 bits of displacement in global offset table. */ | |
919 | HOWTO (R_MIPS_GOT_HI16, /* type */ | |
920 | 0, /* rightshift */ | |
921 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
922 | 16, /* bitsize */ | |
b34976b6 | 923 | FALSE, /* pc_relative */ |
8a397dad TS |
924 | 0, /* bitpos */ |
925 | complain_overflow_dont, /* complain_on_overflow */ | |
926 | mips_elf_generic_reloc, /* special_function */ | |
927 | "R_MIPS_GOT_HI16", /* name */ | |
b34976b6 | 928 | FALSE, /* partial_inplace */ |
8a397dad TS |
929 | 0, /* src_mask */ |
930 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 931 | FALSE), /* pcrel_offset */ |
8a397dad TS |
932 | |
933 | /* Low 16 bits of displacement in global offset table. */ | |
934 | HOWTO (R_MIPS_GOT_LO16, /* type */ | |
935 | 0, /* rightshift */ | |
936 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
937 | 16, /* bitsize */ | |
b34976b6 | 938 | FALSE, /* pc_relative */ |
8a397dad TS |
939 | 0, /* bitpos */ |
940 | complain_overflow_dont, /* complain_on_overflow */ | |
941 | mips_elf_generic_reloc, /* special_function */ | |
942 | "R_MIPS_GOT_LO16", /* name */ | |
b34976b6 | 943 | FALSE, /* partial_inplace */ |
8a397dad TS |
944 | 0, /* src_mask */ |
945 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 946 | FALSE), /* pcrel_offset */ |
8a397dad TS |
947 | |
948 | /* 64 bit substraction. */ | |
949 | HOWTO (R_MIPS_SUB, /* type */ | |
950 | 0, /* rightshift */ | |
951 | 4, /* size (0 = byte, 1 = short, 2 = long) */ | |
952 | 64, /* bitsize */ | |
b34976b6 | 953 | FALSE, /* pc_relative */ |
8a397dad TS |
954 | 0, /* bitpos */ |
955 | complain_overflow_dont, /* complain_on_overflow */ | |
956 | mips_elf_generic_reloc, /* special_function */ | |
957 | "R_MIPS_SUB", /* name */ | |
b34976b6 | 958 | FALSE, /* partial_inplace */ |
8a397dad TS |
959 | 0, /* src_mask */ |
960 | MINUS_ONE, /* dst_mask */ | |
b34976b6 | 961 | FALSE), /* pcrel_offset */ |
8a397dad TS |
962 | |
963 | /* Insert the addend as an instruction. */ | |
964 | /* FIXME: Not handled correctly. */ | |
965 | HOWTO (R_MIPS_INSERT_A, /* type */ | |
966 | 0, /* rightshift */ | |
967 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
968 | 32, /* bitsize */ | |
b34976b6 | 969 | FALSE, /* pc_relative */ |
8a397dad TS |
970 | 0, /* bitpos */ |
971 | complain_overflow_dont, /* complain_on_overflow */ | |
972 | mips_elf_generic_reloc, /* special_function */ | |
973 | "R_MIPS_INSERT_A", /* name */ | |
b34976b6 | 974 | FALSE, /* partial_inplace */ |
8a397dad TS |
975 | 0, /* src_mask */ |
976 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 977 | FALSE), /* pcrel_offset */ |
8a397dad TS |
978 | |
979 | /* Insert the addend as an instruction, and change all relocations | |
980 | to refer to the old instruction at the address. */ | |
981 | /* FIXME: Not handled correctly. */ | |
982 | HOWTO (R_MIPS_INSERT_B, /* type */ | |
983 | 0, /* rightshift */ | |
984 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
985 | 32, /* bitsize */ | |
b34976b6 | 986 | FALSE, /* pc_relative */ |
8a397dad TS |
987 | 0, /* bitpos */ |
988 | complain_overflow_dont, /* complain_on_overflow */ | |
989 | mips_elf_generic_reloc, /* special_function */ | |
990 | "R_MIPS_INSERT_B", /* name */ | |
b34976b6 | 991 | FALSE, /* partial_inplace */ |
8a397dad TS |
992 | 0, /* src_mask */ |
993 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 994 | FALSE), /* pcrel_offset */ |
8a397dad TS |
995 | |
996 | /* Delete a 32 bit instruction. */ | |
997 | /* FIXME: Not handled correctly. */ | |
998 | HOWTO (R_MIPS_DELETE, /* type */ | |
999 | 0, /* rightshift */ | |
1000 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1001 | 32, /* bitsize */ | |
b34976b6 | 1002 | FALSE, /* pc_relative */ |
8a397dad TS |
1003 | 0, /* bitpos */ |
1004 | complain_overflow_dont, /* complain_on_overflow */ | |
1005 | mips_elf_generic_reloc, /* special_function */ | |
1006 | "R_MIPS_DELETE", /* name */ | |
b34976b6 | 1007 | FALSE, /* partial_inplace */ |
8a397dad TS |
1008 | 0, /* src_mask */ |
1009 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 1010 | FALSE), /* pcrel_offset */ |
8a397dad TS |
1011 | |
1012 | /* Get the higher value of a 64 bit addend. */ | |
1013 | HOWTO (R_MIPS_HIGHER, /* type */ | |
1014 | 0, /* rightshift */ | |
1015 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1016 | 16, /* bitsize */ | |
b34976b6 | 1017 | FALSE, /* pc_relative */ |
8a397dad TS |
1018 | 0, /* bitpos */ |
1019 | complain_overflow_dont, /* complain_on_overflow */ | |
1020 | mips_elf_generic_reloc, /* special_function */ | |
1021 | "R_MIPS_HIGHER", /* name */ | |
b34976b6 | 1022 | FALSE, /* partial_inplace */ |
8a397dad TS |
1023 | 0, /* src_mask */ |
1024 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 1025 | FALSE), /* pcrel_offset */ |
8a397dad TS |
1026 | |
1027 | /* Get the highest value of a 64 bit addend. */ | |
1028 | HOWTO (R_MIPS_HIGHEST, /* type */ | |
1029 | 0, /* rightshift */ | |
1030 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1031 | 16, /* bitsize */ | |
b34976b6 | 1032 | FALSE, /* pc_relative */ |
8a397dad TS |
1033 | 0, /* bitpos */ |
1034 | complain_overflow_dont, /* complain_on_overflow */ | |
1035 | mips_elf_generic_reloc, /* special_function */ | |
1036 | "R_MIPS_HIGHEST", /* name */ | |
b34976b6 | 1037 | FALSE, /* partial_inplace */ |
8a397dad TS |
1038 | 0, /* src_mask */ |
1039 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 1040 | FALSE), /* pcrel_offset */ |
8a397dad TS |
1041 | |
1042 | /* High 16 bits of displacement in global offset table. */ | |
1043 | HOWTO (R_MIPS_CALL_HI16, /* type */ | |
1044 | 0, /* rightshift */ | |
1045 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1046 | 16, /* bitsize */ | |
b34976b6 | 1047 | FALSE, /* pc_relative */ |
8a397dad TS |
1048 | 0, /* bitpos */ |
1049 | complain_overflow_dont, /* complain_on_overflow */ | |
1050 | mips_elf_generic_reloc, /* special_function */ | |
1051 | "R_MIPS_CALL_HI16", /* name */ | |
b34976b6 | 1052 | FALSE, /* partial_inplace */ |
8a397dad TS |
1053 | 0, /* src_mask */ |
1054 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 1055 | FALSE), /* pcrel_offset */ |
8a397dad TS |
1056 | |
1057 | /* Low 16 bits of displacement in global offset table. */ | |
1058 | HOWTO (R_MIPS_CALL_LO16, /* type */ | |
1059 | 0, /* rightshift */ | |
1060 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1061 | 16, /* bitsize */ | |
b34976b6 | 1062 | FALSE, /* pc_relative */ |
8a397dad TS |
1063 | 0, /* bitpos */ |
1064 | complain_overflow_dont, /* complain_on_overflow */ | |
1065 | mips_elf_generic_reloc, /* special_function */ | |
1066 | "R_MIPS_CALL_LO16", /* name */ | |
b34976b6 | 1067 | FALSE, /* partial_inplace */ |
8a397dad TS |
1068 | 0, /* src_mask */ |
1069 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 1070 | FALSE), /* pcrel_offset */ |
8a397dad TS |
1071 | |
1072 | /* Section displacement, used by an associated event location section. */ | |
1073 | HOWTO (R_MIPS_SCN_DISP, /* type */ | |
1074 | 0, /* rightshift */ | |
1075 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1076 | 32, /* bitsize */ | |
b34976b6 | 1077 | FALSE, /* pc_relative */ |
8a397dad TS |
1078 | 0, /* bitpos */ |
1079 | complain_overflow_dont, /* complain_on_overflow */ | |
1080 | mips_elf_generic_reloc, /* special_function */ | |
1081 | "R_MIPS_SCN_DISP", /* name */ | |
b34976b6 | 1082 | FALSE, /* partial_inplace */ |
8a397dad TS |
1083 | 0, /* src_mask */ |
1084 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 1085 | FALSE), /* pcrel_offset */ |
8a397dad TS |
1086 | |
1087 | /* 16 bit relocation. */ | |
1088 | HOWTO (R_MIPS_REL16, /* type */ | |
1089 | 0, /* rightshift */ | |
1090 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
1091 | 16, /* bitsize */ | |
b34976b6 | 1092 | FALSE, /* pc_relative */ |
8a397dad TS |
1093 | 0, /* bitpos */ |
1094 | complain_overflow_signed, /* complain_on_overflow */ | |
1095 | mips_elf_generic_reloc, /* special_function */ | |
1096 | "R_MIPS_REL16", /* name */ | |
b34976b6 | 1097 | FALSE, /* partial_inplace */ |
8a397dad TS |
1098 | 0, /* src_mask */ |
1099 | 0xffff, /* dst_mask */ | |
b34976b6 | 1100 | FALSE), /* pcrel_offset */ |
8a397dad TS |
1101 | |
1102 | /* These two are obsolete. */ | |
1103 | EMPTY_HOWTO (R_MIPS_ADD_IMMEDIATE), | |
1104 | EMPTY_HOWTO (R_MIPS_PJUMP), | |
1105 | ||
1106 | /* Similiar to R_MIPS_REL32, but used for relocations in a GOT section. | |
1107 | It must be used for multigot GOT's (and only there). */ | |
1108 | HOWTO (R_MIPS_RELGOT, /* type */ | |
1109 | 0, /* rightshift */ | |
1110 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1111 | 32, /* bitsize */ | |
b34976b6 | 1112 | FALSE, /* pc_relative */ |
8a397dad TS |
1113 | 0, /* bitpos */ |
1114 | complain_overflow_dont, /* complain_on_overflow */ | |
1115 | mips_elf_generic_reloc, /* special_function */ | |
1116 | "R_MIPS_RELGOT", /* name */ | |
b34976b6 | 1117 | FALSE, /* partial_inplace */ |
8a397dad TS |
1118 | 0, /* src_mask */ |
1119 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 1120 | FALSE), /* pcrel_offset */ |
8a397dad TS |
1121 | |
1122 | /* Protected jump conversion. This is an optimization hint. No | |
1123 | relocation is required for correctness. */ | |
1124 | HOWTO (R_MIPS_JALR, /* type */ | |
1125 | 0, /* rightshift */ | |
1126 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1127 | 32, /* bitsize */ | |
b34976b6 | 1128 | FALSE, /* pc_relative */ |
8a397dad TS |
1129 | 0, /* bitpos */ |
1130 | complain_overflow_dont, /* complain_on_overflow */ | |
1131 | mips_elf_generic_reloc, /* special_function */ | |
1132 | "R_MIPS_JALR", /* name */ | |
b34976b6 | 1133 | FALSE, /* partial_inplace */ |
8a397dad TS |
1134 | 0, /* src_mask */ |
1135 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 1136 | FALSE), /* pcrel_offset */ |
8a397dad TS |
1137 | }; |
1138 | ||
1139 | /* The reloc used for the mips16 jump instruction. */ | |
1140 | static reloc_howto_type elf_mips16_jump_howto = | |
1141 | HOWTO (R_MIPS16_26, /* type */ | |
1142 | 2, /* rightshift */ | |
1143 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1144 | 26, /* bitsize */ | |
b34976b6 | 1145 | FALSE, /* pc_relative */ |
8a397dad TS |
1146 | 0, /* bitpos */ |
1147 | complain_overflow_dont, /* complain_on_overflow */ | |
1148 | /* This needs complex overflow | |
1149 | detection, because the upper four | |
1150 | bits must match the PC. */ | |
1151 | mips16_jump_reloc, /* special_function */ | |
1152 | "R_MIPS16_26", /* name */ | |
b34976b6 | 1153 | TRUE, /* partial_inplace */ |
8a397dad TS |
1154 | 0x3ffffff, /* src_mask */ |
1155 | 0x3ffffff, /* dst_mask */ | |
b34976b6 | 1156 | FALSE); /* pcrel_offset */ |
8a397dad TS |
1157 | |
1158 | /* The reloc used for the mips16 gprel instruction. */ | |
1159 | static reloc_howto_type elf_mips16_gprel_howto = | |
1160 | HOWTO (R_MIPS16_GPREL, /* type */ | |
1161 | 0, /* rightshift */ | |
1162 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1163 | 16, /* bitsize */ | |
b34976b6 | 1164 | FALSE, /* pc_relative */ |
8a397dad TS |
1165 | 0, /* bitpos */ |
1166 | complain_overflow_signed, /* complain_on_overflow */ | |
1167 | mips16_gprel_reloc, /* special_function */ | |
1168 | "R_MIPS16_GPREL", /* name */ | |
b34976b6 | 1169 | TRUE, /* partial_inplace */ |
8a397dad TS |
1170 | 0x07ff001f, /* src_mask */ |
1171 | 0x07ff001f, /* dst_mask */ | |
b34976b6 | 1172 | FALSE); /* pcrel_offset */ |
8a397dad TS |
1173 | |
1174 | /* GNU extension to record C++ vtable hierarchy */ | |
1175 | static reloc_howto_type elf_mips_gnu_vtinherit_howto = | |
1176 | HOWTO (R_MIPS_GNU_VTINHERIT, /* type */ | |
1177 | 0, /* rightshift */ | |
1178 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1179 | 0, /* bitsize */ | |
b34976b6 | 1180 | FALSE, /* pc_relative */ |
8a397dad TS |
1181 | 0, /* bitpos */ |
1182 | complain_overflow_dont, /* complain_on_overflow */ | |
1183 | NULL, /* special_function */ | |
1184 | "R_MIPS_GNU_VTINHERIT", /* name */ | |
b34976b6 | 1185 | FALSE, /* partial_inplace */ |
8a397dad TS |
1186 | 0, /* src_mask */ |
1187 | 0, /* dst_mask */ | |
b34976b6 | 1188 | FALSE); /* pcrel_offset */ |
8a397dad TS |
1189 | |
1190 | /* GNU extension to record C++ vtable member usage */ | |
1191 | static reloc_howto_type elf_mips_gnu_vtentry_howto = | |
1192 | HOWTO (R_MIPS_GNU_VTENTRY, /* type */ | |
1193 | 0, /* rightshift */ | |
1194 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1195 | 0, /* bitsize */ | |
b34976b6 | 1196 | FALSE, /* pc_relative */ |
8a397dad TS |
1197 | 0, /* bitpos */ |
1198 | complain_overflow_dont, /* complain_on_overflow */ | |
1199 | _bfd_elf_rel_vtable_reloc_fn, /* special_function */ | |
1200 | "R_MIPS_GNU_VTENTRY", /* name */ | |
b34976b6 | 1201 | FALSE, /* partial_inplace */ |
8a397dad TS |
1202 | 0, /* src_mask */ |
1203 | 0, /* dst_mask */ | |
b34976b6 | 1204 | FALSE); /* pcrel_offset */ |
8a397dad TS |
1205 | \f |
1206 | /* This is derived from bfd_elf_generic_reloc. NewABI allows us to have | |
1207 | several relocations against the same address. The addend is derived | |
1208 | from the addends of preceding relocations. If we don't need to | |
1209 | do something special, we simply keep track of the addend. */ | |
1210 | ||
1211 | #define GET_RELOC_ADDEND(obfd, sym, entry, sec) \ | |
1212 | { \ | |
1213 | /* If we're relocating, and this is an external symbol, we don't \ | |
1214 | want to change anything. */ \ | |
ab7d0aa0 AO |
1215 | if ((obfd) != (bfd *) NULL \ |
1216 | && ((sym)->flags & BSF_SECTION_SYM) == 0 \ | |
1217 | && (! (entry)->howto->partial_inplace \ | |
1218 | || (entry)->addend == 0)) \ | |
8a397dad | 1219 | { \ |
ab7d0aa0 | 1220 | (entry)->address += (sec)->output_offset; \ |
8a397dad TS |
1221 | return bfd_reloc_ok; \ |
1222 | } \ | |
1223 | \ | |
1224 | /* The addend of combined relocs is remembered and left for \ | |
1225 | subsequent relocs. */ \ | |
ab7d0aa0 AO |
1226 | if (prev_reloc_address != (entry)->address \ |
1227 | || prev_reloc_section != (sec)) \ | |
8a397dad | 1228 | { \ |
ab7d0aa0 AO |
1229 | prev_reloc_section = (sec); \ |
1230 | prev_reloc_address = (entry)->address; \ | |
1231 | prev_reloc_addend = (entry)->addend; \ | |
8a397dad TS |
1232 | } \ |
1233 | else \ | |
ab7d0aa0 | 1234 | (entry)->addend = prev_reloc_addend; \ |
8a397dad TS |
1235 | } |
1236 | ||
1237 | #define SET_RELOC_ADDEND(entry) \ | |
1238 | { \ | |
ab7d0aa0 | 1239 | prev_reloc_addend = (entry)->addend; \ |
8a397dad TS |
1240 | } |
1241 | ||
1242 | static bfd_reloc_status_type | |
1243 | mips_elf_generic_reloc (abfd, reloc_entry, symbol, data, input_section, | |
1244 | output_bfd, error_message) | |
1245 | bfd *abfd ATTRIBUTE_UNUSED; | |
1246 | arelent *reloc_entry; | |
1247 | asymbol *symbol; | |
1248 | PTR data ATTRIBUTE_UNUSED; | |
1249 | asection *input_section; | |
1250 | bfd *output_bfd; | |
1251 | char **error_message ATTRIBUTE_UNUSED; | |
1252 | { | |
1253 | GET_RELOC_ADDEND (output_bfd, symbol, reloc_entry, input_section) | |
1254 | ||
1255 | return bfd_reloc_continue; | |
1256 | } | |
1257 | \f | |
1258 | /* Do a R_MIPS_HI16 relocation. This has to be done in combination | |
1259 | with a R_MIPS_LO16 reloc, because there is a carry from the LO16 to | |
1260 | the HI16. Here we just save the information we need; we do the | |
1261 | actual relocation when we see the LO16. | |
1262 | ||
1263 | MIPS ELF requires that the LO16 immediately follow the HI16. As a | |
1264 | GNU extension, for non-pc-relative relocations, we permit an | |
1265 | arbitrary number of HI16 relocs to be associated with a single LO16 | |
1266 | reloc. This extension permits gcc to output the HI and LO relocs | |
1267 | itself. | |
1268 | ||
1269 | This cannot be done for PC-relative relocations because both the HI16 | |
1270 | and LO16 parts of the relocations must be done relative to the LO16 | |
1271 | part, and there can be carry to or borrow from the HI16 part. */ | |
1272 | ||
1273 | struct mips_hi16 | |
1274 | { | |
1275 | struct mips_hi16 *next; | |
1276 | bfd_byte *addr; | |
1277 | bfd_vma addend; | |
1278 | }; | |
1279 | ||
1280 | /* FIXME: This should not be a static variable. */ | |
1281 | ||
1282 | static struct mips_hi16 *mips_hi16_list; | |
1283 | ||
1284 | static bfd_reloc_status_type | |
1285 | mips_elf_hi16_reloc (abfd, reloc_entry, symbol, data, input_section, | |
1286 | output_bfd, error_message) | |
1287 | bfd *abfd ATTRIBUTE_UNUSED; | |
1288 | arelent *reloc_entry; | |
1289 | asymbol *symbol; | |
1290 | PTR data; | |
1291 | asection *input_section; | |
1292 | bfd *output_bfd; | |
1293 | char **error_message ATTRIBUTE_UNUSED; | |
1294 | { | |
1295 | bfd_reloc_status_type ret; | |
1296 | bfd_vma relocation; | |
1297 | struct mips_hi16 *n; | |
1298 | ||
1299 | GET_RELOC_ADDEND (output_bfd, symbol, reloc_entry, input_section) | |
1300 | ||
1301 | ret = bfd_reloc_ok; | |
1302 | ||
1303 | if (bfd_is_und_section (symbol->section) && output_bfd == (bfd *) NULL) | |
1304 | ret = bfd_reloc_undefined; | |
1305 | ||
1306 | if (bfd_is_com_section (symbol->section)) | |
1307 | relocation = 0; | |
1308 | else | |
1309 | relocation = symbol->value; | |
1310 | ||
1311 | relocation += symbol->section->output_section->vma; | |
1312 | relocation += symbol->section->output_offset; | |
1313 | relocation += reloc_entry->addend; | |
1314 | ||
1315 | if (reloc_entry->address > input_section->_cooked_size) | |
1316 | return bfd_reloc_outofrange; | |
1317 | ||
1318 | /* Save the information, and let LO16 do the actual relocation. */ | |
1319 | n = (struct mips_hi16 *) bfd_malloc ((bfd_size_type) sizeof *n); | |
1320 | if (n == NULL) | |
1321 | return bfd_reloc_outofrange; | |
1322 | n->addr = (bfd_byte *) data + reloc_entry->address; | |
1323 | n->addend = relocation; | |
1324 | n->next = mips_hi16_list; | |
1325 | mips_hi16_list = n; | |
1326 | ||
1327 | if (output_bfd != (bfd *) NULL) | |
1328 | reloc_entry->address += input_section->output_offset; | |
1329 | ||
1330 | return ret; | |
1331 | } | |
1332 | ||
1333 | /* Do a R_MIPS_LO16 relocation. This is a straightforward 16 bit | |
1334 | inplace relocation; this function exists in order to do the | |
1335 | R_MIPS_HI16 relocation described above. */ | |
1336 | ||
1337 | static bfd_reloc_status_type | |
1338 | mips_elf_lo16_reloc (abfd, reloc_entry, symbol, data, input_section, | |
1339 | output_bfd, error_message) | |
1340 | bfd *abfd; | |
1341 | arelent *reloc_entry; | |
1342 | asymbol *symbol; | |
1343 | PTR data; | |
1344 | asection *input_section; | |
1345 | bfd *output_bfd; | |
1346 | char **error_message; | |
1347 | { | |
1348 | if (mips_hi16_list != NULL) | |
1349 | { | |
1350 | struct mips_hi16 *l; | |
1351 | ||
1352 | l = mips_hi16_list; | |
1353 | while (l != NULL) | |
1354 | { | |
1355 | unsigned long insn; | |
1356 | unsigned long val; | |
1357 | unsigned long vallo; | |
1358 | struct mips_hi16 *next; | |
1359 | ||
1360 | /* Do the HI16 relocation. Note that we actually don't need | |
1361 | to know anything about the LO16 itself, except where to | |
1362 | find the low 16 bits of the addend needed by the LO16. */ | |
1363 | insn = bfd_get_32 (abfd, l->addr); | |
1364 | vallo = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address); | |
1365 | ||
1366 | /* The low order 16 bits are always treated as a signed | |
1367 | value. */ | |
1368 | vallo = ((vallo & 0xffff) ^ 0x8000) - 0x8000; | |
1369 | val = ((insn & 0xffff) << 16) + vallo; | |
1370 | val += l->addend; | |
1371 | ||
1372 | /* If PC-relative, we need to subtract out the address of the LO | |
1373 | half of the HI/LO. (The actual relocation is relative | |
1374 | to that instruction.) */ | |
1375 | if (reloc_entry->howto->pc_relative) | |
1376 | val -= reloc_entry->address; | |
1377 | ||
1378 | /* At this point, "val" has the value of the combined HI/LO | |
1379 | pair. If the low order 16 bits (which will be used for | |
1380 | the LO16 insn) are negative, then we will need an | |
1381 | adjustment for the high order 16 bits. */ | |
1382 | val += 0x8000; | |
1383 | val = (val >> 16) & 0xffff; | |
1384 | ||
1385 | insn &= ~ (bfd_vma) 0xffff; | |
1386 | insn |= val; | |
1387 | bfd_put_32 (abfd, (bfd_vma) insn, l->addr); | |
1388 | ||
1389 | next = l->next; | |
1390 | free (l); | |
1391 | l = next; | |
1392 | } | |
1393 | ||
1394 | mips_hi16_list = NULL; | |
1395 | } | |
1396 | ||
1397 | /* Now do the LO16 reloc in the usual way. */ | |
1398 | return mips_elf_generic_reloc (abfd, reloc_entry, symbol, data, | |
1399 | input_section, output_bfd, error_message); | |
1400 | } | |
1401 | ||
1402 | /* Do a R_MIPS_GOT16 reloc. This is a reloc against the global offset | |
1403 | table used for PIC code. If the symbol is an external symbol, the | |
1404 | instruction is modified to contain the offset of the appropriate | |
1405 | entry in the global offset table. If the symbol is a section | |
1406 | symbol, the next reloc is a R_MIPS_LO16 reloc. The two 16 bit | |
1407 | addends are combined to form the real addend against the section | |
1408 | symbol; the GOT16 is modified to contain the offset of an entry in | |
1409 | the global offset table, and the LO16 is modified to offset it | |
1410 | appropriately. Thus an offset larger than 16 bits requires a | |
1411 | modified value in the global offset table. | |
1412 | ||
1413 | This implementation suffices for the assembler, but the linker does | |
1414 | not yet know how to create global offset tables. */ | |
1415 | ||
1416 | static bfd_reloc_status_type | |
1417 | mips_elf_got16_reloc (abfd, reloc_entry, symbol, data, input_section, | |
1418 | output_bfd, error_message) | |
1419 | bfd *abfd; | |
1420 | arelent *reloc_entry; | |
1421 | asymbol *symbol; | |
1422 | PTR data; | |
1423 | asection *input_section; | |
1424 | bfd *output_bfd; | |
1425 | char **error_message; | |
1426 | { | |
1427 | /* If we're relocating, and this is a local symbol, we can handle it | |
1428 | just like HI16. */ | |
1429 | if (output_bfd != (bfd *) NULL | |
1430 | && (symbol->flags & BSF_SECTION_SYM) != 0) | |
1431 | return mips_elf_hi16_reloc (abfd, reloc_entry, symbol, data, | |
1432 | input_section, output_bfd, error_message); | |
1433 | ||
1434 | /* Otherwise we try to handle it as R_MIPS_GOT_DISP. */ | |
1435 | return mips_elf_generic_reloc (abfd, reloc_entry, symbol, data, | |
1436 | input_section, output_bfd, error_message); | |
1437 | } | |
1438 | ||
b34976b6 | 1439 | /* Set the GP value for OUTPUT_BFD. Returns FALSE if this is a |
8a397dad TS |
1440 | dangerous relocation. */ |
1441 | ||
b34976b6 | 1442 | static bfd_boolean |
8a397dad TS |
1443 | mips_elf_assign_gp (output_bfd, pgp) |
1444 | bfd *output_bfd; | |
1445 | bfd_vma *pgp; | |
1446 | { | |
1447 | unsigned int count; | |
1448 | asymbol **sym; | |
1449 | unsigned int i; | |
1450 | ||
1451 | /* If we've already figured out what GP will be, just return it. */ | |
1452 | *pgp = _bfd_get_gp_value (output_bfd); | |
1453 | if (*pgp) | |
b34976b6 | 1454 | return TRUE; |
8a397dad TS |
1455 | |
1456 | count = bfd_get_symcount (output_bfd); | |
1457 | sym = bfd_get_outsymbols (output_bfd); | |
1458 | ||
1459 | /* The linker script will have created a symbol named `_gp' with the | |
1460 | appropriate value. */ | |
1461 | if (sym == (asymbol **) NULL) | |
1462 | i = count; | |
1463 | else | |
1464 | { | |
1465 | for (i = 0; i < count; i++, sym++) | |
1466 | { | |
1467 | register const char *name; | |
1468 | ||
1469 | name = bfd_asymbol_name (*sym); | |
1470 | if (*name == '_' && strcmp (name, "_gp") == 0) | |
1471 | { | |
1472 | *pgp = bfd_asymbol_value (*sym); | |
1473 | _bfd_set_gp_value (output_bfd, *pgp); | |
1474 | break; | |
1475 | } | |
1476 | } | |
1477 | } | |
1478 | ||
1479 | if (i >= count) | |
1480 | { | |
1481 | /* Only get the error once. */ | |
1482 | *pgp = 4; | |
1483 | _bfd_set_gp_value (output_bfd, *pgp); | |
b34976b6 | 1484 | return FALSE; |
8a397dad TS |
1485 | } |
1486 | ||
b34976b6 | 1487 | return TRUE; |
8a397dad TS |
1488 | } |
1489 | ||
1490 | /* We have to figure out the gp value, so that we can adjust the | |
1491 | symbol value correctly. We look up the symbol _gp in the output | |
1492 | BFD. If we can't find it, we're stuck. We cache it in the ELF | |
1493 | target data. We don't need to adjust the symbol value for an | |
1494 | external symbol if we are producing relocateable output. */ | |
1495 | ||
1496 | static bfd_reloc_status_type | |
1497 | mips_elf_final_gp (output_bfd, symbol, relocateable, error_message, pgp) | |
1498 | bfd *output_bfd; | |
1499 | asymbol *symbol; | |
b34976b6 | 1500 | bfd_boolean relocateable; |
8a397dad TS |
1501 | char **error_message; |
1502 | bfd_vma *pgp; | |
1503 | { | |
1504 | if (bfd_is_und_section (symbol->section) | |
1505 | && ! relocateable) | |
1506 | { | |
1507 | *pgp = 0; | |
1508 | return bfd_reloc_undefined; | |
1509 | } | |
1510 | ||
1511 | *pgp = _bfd_get_gp_value (output_bfd); | |
1512 | if (*pgp == 0 | |
1513 | && (! relocateable | |
1514 | || (symbol->flags & BSF_SECTION_SYM) != 0)) | |
1515 | { | |
1516 | if (relocateable) | |
1517 | { | |
1518 | /* Make up a value. */ | |
a902ee94 | 1519 | *pgp = symbol->section->output_section->vma /*+ 0x4000*/; |
8a397dad TS |
1520 | _bfd_set_gp_value (output_bfd, *pgp); |
1521 | } | |
1522 | else if (!mips_elf_assign_gp (output_bfd, pgp)) | |
1523 | { | |
1524 | *error_message = | |
1525 | (char *) _("GP relative relocation when _gp not defined"); | |
1526 | return bfd_reloc_dangerous; | |
1527 | } | |
1528 | } | |
1529 | ||
1530 | return bfd_reloc_ok; | |
1531 | } | |
1532 | ||
1533 | /* Do a R_MIPS_GPREL16 relocation. This is a 16 bit value which must | |
1534 | become the offset from the gp register. */ | |
1535 | ||
1536 | static bfd_reloc_status_type | |
1537 | mips_elf_gprel16_reloc (abfd, reloc_entry, symbol, data, input_section, | |
1538 | output_bfd, error_message) | |
1539 | bfd *abfd ATTRIBUTE_UNUSED; | |
1540 | arelent *reloc_entry; | |
1541 | asymbol *symbol; | |
1542 | PTR data ATTRIBUTE_UNUSED; | |
1543 | asection *input_section; | |
1544 | bfd *output_bfd; | |
1545 | char **error_message ATTRIBUTE_UNUSED; | |
1546 | { | |
b34976b6 | 1547 | bfd_boolean relocateable; |
8a397dad TS |
1548 | bfd_reloc_status_type ret; |
1549 | bfd_vma gp; | |
1550 | ||
1551 | GET_RELOC_ADDEND (output_bfd, symbol, reloc_entry, input_section) | |
1552 | ||
1553 | if (output_bfd != (bfd *) NULL) | |
b34976b6 | 1554 | relocateable = TRUE; |
8a397dad TS |
1555 | else |
1556 | { | |
b34976b6 | 1557 | relocateable = FALSE; |
8a397dad TS |
1558 | output_bfd = symbol->section->output_section->owner; |
1559 | } | |
1560 | ||
1561 | ret = mips_elf_final_gp (output_bfd, symbol, relocateable, error_message, | |
1562 | &gp); | |
1563 | if (ret != bfd_reloc_ok) | |
1564 | return ret; | |
1565 | ||
1566 | return _bfd_mips_elf_gprel16_with_gp (abfd, symbol, reloc_entry, | |
1567 | input_section, relocateable, | |
1568 | data, gp); | |
1569 | } | |
1570 | ||
1571 | /* Do a R_MIPS_LITERAL relocation. */ | |
1572 | ||
1573 | static bfd_reloc_status_type | |
1574 | mips_elf_literal_reloc (abfd, reloc_entry, symbol, data, input_section, | |
1575 | output_bfd, error_message) | |
1576 | bfd *abfd; | |
1577 | arelent *reloc_entry; | |
1578 | asymbol *symbol; | |
1579 | PTR data; | |
1580 | asection *input_section; | |
1581 | bfd *output_bfd; | |
1582 | char **error_message; | |
1583 | { | |
b34976b6 | 1584 | bfd_boolean relocateable; |
8a397dad TS |
1585 | bfd_reloc_status_type ret; |
1586 | bfd_vma gp; | |
1587 | ||
1588 | GET_RELOC_ADDEND (output_bfd, symbol, reloc_entry, input_section) | |
1589 | ||
1590 | /* FIXME: The entries in the .lit8 and .lit4 sections should be merged. */ | |
1591 | if (output_bfd != (bfd *) NULL) | |
b34976b6 | 1592 | relocateable = TRUE; |
8a397dad TS |
1593 | else |
1594 | { | |
b34976b6 | 1595 | relocateable = FALSE; |
8a397dad TS |
1596 | output_bfd = symbol->section->output_section->owner; |
1597 | } | |
1598 | ||
1599 | ret = mips_elf_final_gp (output_bfd, symbol, relocateable, error_message, | |
1600 | &gp); | |
1601 | if (ret != bfd_reloc_ok) | |
1602 | return ret; | |
1603 | ||
1604 | return _bfd_mips_elf_gprel16_with_gp (abfd, symbol, reloc_entry, | |
1605 | input_section, relocateable, | |
1606 | data, gp); | |
1607 | } | |
1608 | ||
1609 | /* Do a R_MIPS_GPREL32 relocation. This is a 32 bit value which must | |
1610 | become the offset from the gp register. */ | |
1611 | ||
1612 | static bfd_reloc_status_type | |
1613 | mips_elf_gprel32_reloc (abfd, reloc_entry, symbol, data, input_section, | |
1614 | output_bfd, error_message) | |
1615 | bfd *abfd; | |
1616 | arelent *reloc_entry; | |
1617 | asymbol *symbol; | |
1618 | PTR data; | |
1619 | asection *input_section; | |
1620 | bfd *output_bfd; | |
1621 | char **error_message; | |
1622 | { | |
b34976b6 | 1623 | bfd_boolean relocateable; |
8a397dad TS |
1624 | bfd_reloc_status_type ret; |
1625 | bfd_vma gp; | |
1626 | ||
1627 | GET_RELOC_ADDEND (output_bfd, symbol, reloc_entry, input_section) | |
1628 | ||
1629 | /* R_MIPS_GPREL32 relocations are defined for local symbols only. | |
1630 | We will only have an addend if this is a newly created reloc, | |
1631 | not read from an ELF file. */ | |
1632 | if (output_bfd != (bfd *) NULL | |
1633 | && (symbol->flags & BSF_SECTION_SYM) == 0 | |
1634 | && reloc_entry->addend == 0) | |
1635 | { | |
1636 | *error_message = (char *) | |
1637 | _("32bits gp relative relocation occurs for an external symbol"); | |
1638 | return bfd_reloc_outofrange; | |
1639 | } | |
1640 | ||
1641 | if (output_bfd != (bfd *) NULL) | |
1642 | { | |
b34976b6 | 1643 | relocateable = TRUE; |
8a397dad TS |
1644 | gp = _bfd_get_gp_value (output_bfd); |
1645 | } | |
1646 | else | |
1647 | { | |
b34976b6 | 1648 | relocateable = FALSE; |
8a397dad TS |
1649 | output_bfd = symbol->section->output_section->owner; |
1650 | ||
1651 | ret = mips_elf_final_gp (output_bfd, symbol, relocateable, | |
1652 | error_message, &gp); | |
1653 | if (ret != bfd_reloc_ok) | |
1654 | return ret; | |
1655 | } | |
1656 | ||
1657 | return gprel32_with_gp (abfd, symbol, reloc_entry, input_section, | |
1658 | relocateable, data, gp); | |
1659 | } | |
1660 | ||
1661 | static bfd_reloc_status_type | |
1662 | gprel32_with_gp (abfd, symbol, reloc_entry, input_section, relocateable, data, | |
1663 | gp) | |
1664 | bfd *abfd; | |
1665 | asymbol *symbol; | |
1666 | arelent *reloc_entry; | |
1667 | asection *input_section; | |
b34976b6 | 1668 | bfd_boolean relocateable; |
8a397dad TS |
1669 | PTR data; |
1670 | bfd_vma gp; | |
1671 | { | |
1672 | bfd_vma relocation; | |
1673 | unsigned long val; | |
1674 | ||
1675 | if (bfd_is_com_section (symbol->section)) | |
1676 | relocation = 0; | |
1677 | else | |
1678 | relocation = symbol->value; | |
1679 | ||
1680 | relocation += symbol->section->output_section->vma; | |
1681 | relocation += symbol->section->output_offset; | |
1682 | ||
1683 | if (reloc_entry->address > input_section->_cooked_size) | |
1684 | return bfd_reloc_outofrange; | |
1685 | ||
1686 | if (reloc_entry->howto->src_mask == 0) | |
1687 | val = 0; | |
1688 | else | |
1689 | val = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address); | |
1690 | ||
1691 | /* Set val to the offset into the section or symbol. */ | |
1692 | val += reloc_entry->addend; | |
1693 | ||
1694 | /* Adjust val for the final section location and GP value. If we | |
1695 | are producing relocateable output, we don't want to do this for | |
1696 | an external symbol. */ | |
1697 | if (! relocateable | |
1698 | || (symbol->flags & BSF_SECTION_SYM) != 0) | |
1699 | val += relocation - gp; | |
1700 | ||
1701 | bfd_put_32 (abfd, (bfd_vma) val, (bfd_byte *) data + reloc_entry->address); | |
1702 | ||
1703 | if (relocateable) | |
1704 | reloc_entry->address += input_section->output_offset; | |
1705 | ||
1706 | return bfd_reloc_ok; | |
1707 | } | |
1708 | ||
1709 | /* Do a R_MIPS_SHIFT6 relocation. The MSB of the shift is stored at bit 2, | |
1710 | the rest is at bits 6-10. The bitpos already got right by the howto. */ | |
1711 | ||
1712 | static bfd_reloc_status_type | |
1713 | mips_elf_shift6_reloc (abfd, reloc_entry, symbol, data, input_section, | |
1714 | output_bfd, error_message) | |
1715 | bfd *abfd ATTRIBUTE_UNUSED; | |
1716 | arelent *reloc_entry; | |
1717 | asymbol *symbol; | |
1718 | PTR data ATTRIBUTE_UNUSED; | |
1719 | asection *input_section; | |
1720 | bfd *output_bfd; | |
1721 | char **error_message ATTRIBUTE_UNUSED; | |
1722 | { | |
1723 | GET_RELOC_ADDEND (output_bfd, symbol, reloc_entry, input_section) | |
1724 | ||
1725 | reloc_entry->addend = (reloc_entry->addend & 0x00007c0) | |
1726 | | (reloc_entry->addend & 0x00000800) >> 9; | |
1727 | ||
1728 | SET_RELOC_ADDEND (reloc_entry) | |
1729 | ||
1730 | return bfd_reloc_continue; | |
1731 | } | |
1732 | \f | |
1733 | /* Handle a mips16 jump. */ | |
1734 | ||
1735 | static bfd_reloc_status_type | |
1736 | mips16_jump_reloc (abfd, reloc_entry, symbol, data, input_section, | |
1737 | output_bfd, error_message) | |
1738 | bfd *abfd ATTRIBUTE_UNUSED; | |
1739 | arelent *reloc_entry; | |
1740 | asymbol *symbol; | |
1741 | PTR data ATTRIBUTE_UNUSED; | |
1742 | asection *input_section; | |
1743 | bfd *output_bfd; | |
1744 | char **error_message ATTRIBUTE_UNUSED; | |
1745 | { | |
b34976b6 | 1746 | static bfd_boolean warned = FALSE; |
8a397dad TS |
1747 | |
1748 | GET_RELOC_ADDEND (output_bfd, symbol, reloc_entry, input_section) | |
1749 | ||
1750 | /* FIXME. */ | |
1751 | if (! warned) | |
1752 | (*_bfd_error_handler) | |
1753 | (_("Linking mips16 objects into %s format is not supported"), | |
1754 | bfd_get_target (input_section->output_section->owner)); | |
b34976b6 | 1755 | warned = TRUE; |
8a397dad TS |
1756 | |
1757 | return bfd_reloc_undefined; | |
1758 | } | |
1759 | ||
1760 | /* Handle a mips16 GP relative reloc. */ | |
1761 | ||
1762 | static bfd_reloc_status_type | |
1763 | mips16_gprel_reloc (abfd, reloc_entry, symbol, data, input_section, | |
1764 | output_bfd, error_message) | |
1765 | bfd *abfd; | |
1766 | arelent *reloc_entry; | |
1767 | asymbol *symbol; | |
1768 | PTR data; | |
1769 | asection *input_section; | |
1770 | bfd *output_bfd; | |
1771 | char **error_message; | |
1772 | { | |
b34976b6 | 1773 | bfd_boolean relocateable; |
8a397dad TS |
1774 | bfd_reloc_status_type ret; |
1775 | bfd_vma gp; | |
1776 | unsigned short extend, insn; | |
1777 | unsigned long final; | |
1778 | ||
1779 | GET_RELOC_ADDEND (output_bfd, symbol, reloc_entry, input_section) | |
1780 | ||
1781 | if (output_bfd != NULL) | |
b34976b6 | 1782 | relocateable = TRUE; |
8a397dad TS |
1783 | else |
1784 | { | |
b34976b6 | 1785 | relocateable = FALSE; |
8a397dad TS |
1786 | output_bfd = symbol->section->output_section->owner; |
1787 | } | |
1788 | ||
1789 | ret = mips_elf_final_gp (output_bfd, symbol, relocateable, error_message, | |
1790 | &gp); | |
1791 | if (ret != bfd_reloc_ok) | |
1792 | return ret; | |
1793 | ||
1794 | if (reloc_entry->address > input_section->_cooked_size) | |
1795 | return bfd_reloc_outofrange; | |
1796 | ||
1797 | /* Pick up the mips16 extend instruction and the real instruction. */ | |
1798 | extend = bfd_get_16 (abfd, (bfd_byte *) data + reloc_entry->address); | |
1799 | insn = bfd_get_16 (abfd, (bfd_byte *) data + reloc_entry->address + 2); | |
1800 | ||
1801 | /* Stuff the current addend back as a 32 bit value, do the usual | |
1802 | relocation, and then clean up. */ | |
1803 | bfd_put_32 (abfd, | |
1804 | (bfd_vma) (((extend & 0x1f) << 11) | |
1805 | | (extend & 0x7e0) | |
1806 | | (insn & 0x1f)), | |
1807 | (bfd_byte *) data + reloc_entry->address); | |
1808 | ||
1809 | ret = _bfd_mips_elf_gprel16_with_gp (abfd, symbol, reloc_entry, | |
1810 | input_section, relocateable, data, gp); | |
1811 | ||
1812 | final = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address); | |
1813 | bfd_put_16 (abfd, | |
1814 | (bfd_vma) ((extend & 0xf800) | |
1815 | | ((final >> 11) & 0x1f) | |
1816 | | (final & 0x7e0)), | |
1817 | (bfd_byte *) data + reloc_entry->address); | |
1818 | bfd_put_16 (abfd, | |
1819 | (bfd_vma) ((insn & 0xffe0) | |
1820 | | (final & 0x1f)), | |
1821 | (bfd_byte *) data + reloc_entry->address + 2); | |
1822 | ||
1823 | return ret; | |
1824 | } | |
1825 | ||
1826 | #undef GET_RELOC_ADDEND | |
1827 | #undef SET_RELOC_ADDEND | |
1828 | \f | |
1829 | /* A mapping from BFD reloc types to MIPS ELF reloc types. */ | |
1830 | ||
1831 | struct elf_reloc_map { | |
1832 | bfd_reloc_code_real_type bfd_val; | |
1833 | enum elf_mips_reloc_type elf_val; | |
1834 | }; | |
1835 | ||
1836 | static const struct elf_reloc_map mips_reloc_map[] = | |
1837 | { | |
1838 | { BFD_RELOC_NONE, R_MIPS_NONE }, | |
1839 | { BFD_RELOC_16, R_MIPS_16 }, | |
1840 | { BFD_RELOC_32, R_MIPS_32 }, | |
1841 | /* There is no BFD reloc for R_MIPS_REL32. */ | |
1842 | { BFD_RELOC_CTOR, R_MIPS_32 }, | |
1843 | { BFD_RELOC_64, R_MIPS_64 }, | |
7c2be35c | 1844 | { BFD_RELOC_16_PCREL_S2, R_MIPS_PC16 }, |
8a397dad TS |
1845 | { BFD_RELOC_HI16_S, R_MIPS_HI16 }, |
1846 | { BFD_RELOC_LO16, R_MIPS_LO16 }, | |
1847 | { BFD_RELOC_GPREL16, R_MIPS_GPREL16 }, | |
1848 | { BFD_RELOC_GPREL32, R_MIPS_GPREL32 }, | |
1849 | { BFD_RELOC_MIPS_JMP, R_MIPS_26 }, | |
1850 | { BFD_RELOC_MIPS_LITERAL, R_MIPS_LITERAL }, | |
1851 | { BFD_RELOC_MIPS_GOT16, R_MIPS_GOT16 }, | |
1852 | { BFD_RELOC_MIPS_CALL16, R_MIPS_CALL16 }, | |
1853 | { BFD_RELOC_MIPS_SHIFT5, R_MIPS_SHIFT5 }, | |
1854 | { BFD_RELOC_MIPS_SHIFT6, R_MIPS_SHIFT6 }, | |
1855 | { BFD_RELOC_MIPS_GOT_DISP, R_MIPS_GOT_DISP }, | |
1856 | { BFD_RELOC_MIPS_GOT_PAGE, R_MIPS_GOT_PAGE }, | |
1857 | { BFD_RELOC_MIPS_GOT_OFST, R_MIPS_GOT_OFST }, | |
1858 | { BFD_RELOC_MIPS_GOT_HI16, R_MIPS_GOT_HI16 }, | |
1859 | { BFD_RELOC_MIPS_GOT_LO16, R_MIPS_GOT_LO16 }, | |
1860 | { BFD_RELOC_MIPS_SUB, R_MIPS_SUB }, | |
1861 | { BFD_RELOC_MIPS_INSERT_A, R_MIPS_INSERT_A }, | |
1862 | { BFD_RELOC_MIPS_INSERT_B, R_MIPS_INSERT_B }, | |
1863 | { BFD_RELOC_MIPS_DELETE, R_MIPS_DELETE }, | |
1864 | { BFD_RELOC_MIPS_HIGHEST, R_MIPS_HIGHEST }, | |
1865 | { BFD_RELOC_MIPS_HIGHER, R_MIPS_HIGHER }, | |
1866 | { BFD_RELOC_MIPS_CALL_HI16, R_MIPS_CALL_HI16 }, | |
1867 | { BFD_RELOC_MIPS_CALL_LO16, R_MIPS_CALL_LO16 }, | |
1868 | { BFD_RELOC_MIPS_SCN_DISP, R_MIPS_SCN_DISP }, | |
1869 | { BFD_RELOC_MIPS_REL16, R_MIPS_REL16 }, | |
1870 | /* Use of R_MIPS_ADD_IMMEDIATE and R_MIPS_PJUMP is deprecated. */ | |
1871 | { BFD_RELOC_MIPS_RELGOT, R_MIPS_RELGOT }, | |
1872 | { BFD_RELOC_MIPS_JALR, R_MIPS_JALR } | |
1873 | }; | |
1874 | ||
1875 | /* Given a BFD reloc type, return a howto structure. */ | |
1876 | ||
1877 | static reloc_howto_type * | |
1878 | bfd_elf32_bfd_reloc_type_lookup (abfd, code) | |
1879 | bfd *abfd ATTRIBUTE_UNUSED; | |
1880 | bfd_reloc_code_real_type code; | |
1881 | { | |
1882 | unsigned int i; | |
1883 | /* FIXME: We default to RELA here instead of choosing the right | |
1884 | relocation variant. */ | |
1885 | reloc_howto_type *howto_table = elf_mips_howto_table_rela; | |
1886 | ||
1887 | for (i = 0; i < sizeof (mips_reloc_map) / sizeof (struct elf_reloc_map); | |
1888 | i++) | |
1889 | { | |
1890 | if (mips_reloc_map[i].bfd_val == code) | |
1891 | return &howto_table[(int) mips_reloc_map[i].elf_val]; | |
1892 | } | |
1893 | ||
1894 | switch (code) | |
1895 | { | |
1896 | case BFD_RELOC_MIPS16_JMP: | |
1897 | return &elf_mips16_jump_howto; | |
1898 | case BFD_RELOC_MIPS16_GPREL: | |
1899 | return &elf_mips16_gprel_howto; | |
1900 | case BFD_RELOC_VTABLE_INHERIT: | |
1901 | return &elf_mips_gnu_vtinherit_howto; | |
1902 | case BFD_RELOC_VTABLE_ENTRY: | |
1903 | return &elf_mips_gnu_vtentry_howto; | |
1904 | default: | |
1905 | bfd_set_error (bfd_error_bad_value); | |
1906 | return NULL; | |
1907 | } | |
1908 | } | |
1909 | ||
947216bf | 1910 | /* Given a MIPS Elf_Internal_Rel, fill in an arelent structure. */ |
8a397dad TS |
1911 | |
1912 | static reloc_howto_type * | |
1913 | mips_elf_n32_rtype_to_howto (r_type, rela_p) | |
1914 | unsigned int r_type; | |
b34976b6 | 1915 | bfd_boolean rela_p; |
8a397dad TS |
1916 | { |
1917 | switch (r_type) | |
1918 | { | |
1919 | case R_MIPS16_26: | |
1920 | return &elf_mips16_jump_howto; | |
1921 | case R_MIPS16_GPREL: | |
1922 | return &elf_mips16_gprel_howto; | |
1923 | case R_MIPS_GNU_VTINHERIT: | |
1924 | return &elf_mips_gnu_vtinherit_howto; | |
1925 | case R_MIPS_GNU_VTENTRY: | |
1926 | return &elf_mips_gnu_vtentry_howto; | |
1927 | default: | |
1928 | BFD_ASSERT (r_type < (unsigned int) R_MIPS_max); | |
1929 | if (rela_p) | |
1930 | return &elf_mips_howto_table_rela[r_type]; | |
1931 | else | |
1932 | return &elf_mips_howto_table_rel[r_type]; | |
1933 | break; | |
1934 | } | |
1935 | } | |
1936 | ||
947216bf | 1937 | /* Given a MIPS Elf_Internal_Rel, fill in an arelent structure. */ |
8a397dad TS |
1938 | |
1939 | static void | |
1940 | mips_info_to_howto_rel (abfd, cache_ptr, dst) | |
1941 | bfd *abfd; | |
1942 | arelent *cache_ptr; | |
947216bf | 1943 | Elf_Internal_Rela *dst; |
8a397dad TS |
1944 | { |
1945 | unsigned int r_type; | |
1946 | ||
1947 | r_type = ELF32_R_TYPE (dst->r_info); | |
b34976b6 | 1948 | cache_ptr->howto = mips_elf_n32_rtype_to_howto (r_type, FALSE); |
8a397dad TS |
1949 | |
1950 | /* The addend for a GPREL16 or LITERAL relocation comes from the GP | |
1951 | value for the object file. We get the addend now, rather than | |
1952 | when we do the relocation, because the symbol manipulations done | |
1953 | by the linker may cause us to lose track of the input BFD. */ | |
1954 | if (((*cache_ptr->sym_ptr_ptr)->flags & BSF_SECTION_SYM) != 0 | |
1955 | && (r_type == (unsigned int) R_MIPS_GPREL16 | |
1956 | || r_type == (unsigned int) R_MIPS_LITERAL)) | |
1957 | cache_ptr->addend = elf_gp (abfd); | |
1958 | } | |
1959 | ||
947216bf | 1960 | /* Given a MIPS Elf_Internal_Rela, fill in an arelent structure. */ |
8a397dad TS |
1961 | |
1962 | static void | |
1963 | mips_info_to_howto_rela (abfd, cache_ptr, dst) | |
1964 | bfd *abfd ATTRIBUTE_UNUSED; | |
1965 | arelent *cache_ptr; | |
947216bf | 1966 | Elf_Internal_Rela *dst; |
8a397dad TS |
1967 | { |
1968 | unsigned int r_type; | |
1969 | ||
1970 | r_type = ELF32_R_TYPE (dst->r_info); | |
b34976b6 | 1971 | cache_ptr->howto = mips_elf_n32_rtype_to_howto (r_type, TRUE); |
8a397dad TS |
1972 | cache_ptr->addend = dst->r_addend; |
1973 | } | |
1974 | \f | |
1975 | /* Determine whether a symbol is global for the purposes of splitting | |
1976 | the symbol table into global symbols and local symbols. At least | |
1977 | on Irix 5, this split must be between section symbols and all other | |
1978 | symbols. On most ELF targets the split is between static symbols | |
1979 | and externally visible symbols. */ | |
1980 | ||
b34976b6 | 1981 | static bfd_boolean |
8a397dad TS |
1982 | mips_elf_sym_is_global (abfd, sym) |
1983 | bfd *abfd ATTRIBUTE_UNUSED; | |
1984 | asymbol *sym; | |
1985 | { | |
1986 | if (SGI_COMPAT (abfd)) | |
1987 | return (sym->flags & BSF_SECTION_SYM) == 0; | |
1988 | else | |
1989 | return ((sym->flags & (BSF_GLOBAL | BSF_WEAK)) != 0 | |
1990 | || bfd_is_und_section (bfd_get_section (sym)) | |
1991 | || bfd_is_com_section (bfd_get_section (sym))); | |
1992 | } | |
1993 | \f | |
1994 | /* Set the right machine number for a MIPS ELF file. */ | |
1995 | ||
b34976b6 | 1996 | static bfd_boolean |
8a397dad TS |
1997 | mips_elf_n32_object_p (abfd) |
1998 | bfd *abfd; | |
1999 | { | |
2000 | unsigned long mach; | |
2001 | ||
2002 | /* Irix 5 and 6 are broken. Object file symbol tables are not always | |
2003 | sorted correctly such that local symbols precede global symbols, | |
2004 | and the sh_info field in the symbol table is not always right. */ | |
2005 | if (SGI_COMPAT (abfd)) | |
b34976b6 | 2006 | elf_bad_symtab (abfd) = TRUE; |
8a397dad TS |
2007 | |
2008 | mach = _bfd_elf_mips_mach (elf_elfheader (abfd)->e_flags); | |
2009 | bfd_default_set_arch_mach (abfd, bfd_arch_mips, mach); | |
2010 | ||
2011 | if (! ABI_N32_P(abfd)) | |
b34976b6 | 2012 | return FALSE; |
8a397dad | 2013 | |
b34976b6 | 2014 | return TRUE; |
8a397dad TS |
2015 | } |
2016 | \f | |
2017 | /* Support for core dump NOTE sections. */ | |
b34976b6 | 2018 | static bfd_boolean |
8a397dad TS |
2019 | elf32_mips_grok_prstatus (abfd, note) |
2020 | bfd *abfd; | |
2021 | Elf_Internal_Note *note; | |
2022 | { | |
2023 | int offset; | |
2024 | unsigned int raw_size; | |
2025 | ||
2026 | switch (note->descsz) | |
2027 | { | |
2028 | default: | |
b34976b6 | 2029 | return FALSE; |
8a397dad TS |
2030 | |
2031 | case 256: /* Linux/MIPS */ | |
2032 | /* pr_cursig */ | |
2033 | elf_tdata (abfd)->core_signal = bfd_get_16 (abfd, note->descdata + 12); | |
2034 | ||
2035 | /* pr_pid */ | |
2036 | elf_tdata (abfd)->core_pid = bfd_get_32 (abfd, note->descdata + 24); | |
2037 | ||
2038 | /* pr_reg */ | |
2039 | offset = 72; | |
2040 | raw_size = 180; | |
2041 | ||
2042 | break; | |
2043 | } | |
2044 | ||
2045 | /* Make a ".reg/999" section. */ | |
2046 | return _bfd_elfcore_make_pseudosection (abfd, ".reg", raw_size, | |
2047 | note->descpos + offset); | |
2048 | } | |
2049 | ||
b34976b6 | 2050 | static bfd_boolean |
8a397dad TS |
2051 | elf32_mips_grok_psinfo (abfd, note) |
2052 | bfd *abfd; | |
2053 | Elf_Internal_Note *note; | |
2054 | { | |
2055 | switch (note->descsz) | |
2056 | { | |
2057 | default: | |
b34976b6 | 2058 | return FALSE; |
8a397dad TS |
2059 | |
2060 | case 128: /* Linux/MIPS elf_prpsinfo */ | |
2061 | elf_tdata (abfd)->core_program | |
2062 | = _bfd_elfcore_strndup (abfd, note->descdata + 32, 16); | |
2063 | elf_tdata (abfd)->core_command | |
2064 | = _bfd_elfcore_strndup (abfd, note->descdata + 48, 80); | |
2065 | } | |
2066 | ||
2067 | /* Note that for some reason, a spurious space is tacked | |
2068 | onto the end of the args in some (at least one anyway) | |
2069 | implementations, so strip it off if it exists. */ | |
2070 | ||
2071 | { | |
2072 | char *command = elf_tdata (abfd)->core_command; | |
2073 | int n = strlen (command); | |
2074 | ||
2075 | if (0 < n && command[n - 1] == ' ') | |
2076 | command[n - 1] = '\0'; | |
2077 | } | |
2078 | ||
b34976b6 | 2079 | return TRUE; |
8a397dad TS |
2080 | } |
2081 | \f | |
2082 | /* Depending on the target vector we generate some version of Irix | |
2083 | executables or "normal" MIPS ELF ABI executables. */ | |
2084 | static irix_compat_t | |
2085 | elf_n32_mips_irix_compat (abfd) | |
2086 | bfd *abfd; | |
2087 | { | |
2088 | if ((abfd->xvec == &bfd_elf32_nbigmips_vec) | |
2089 | || (abfd->xvec == &bfd_elf32_nlittlemips_vec)) | |
2090 | return ict_irix6; | |
2091 | else | |
2092 | return ict_none; | |
2093 | } | |
2094 | \f | |
2095 | /* ECOFF swapping routines. These are used when dealing with the | |
2096 | .mdebug section, which is in the ECOFF debugging format. */ | |
2097 | static const struct ecoff_debug_swap mips_elf32_ecoff_debug_swap = { | |
2098 | /* Symbol table magic number. */ | |
2099 | magicSym, | |
2100 | /* Alignment of debugging information. E.g., 4. */ | |
2101 | 4, | |
2102 | /* Sizes of external symbolic information. */ | |
2103 | sizeof (struct hdr_ext), | |
2104 | sizeof (struct dnr_ext), | |
2105 | sizeof (struct pdr_ext), | |
2106 | sizeof (struct sym_ext), | |
2107 | sizeof (struct opt_ext), | |
2108 | sizeof (struct fdr_ext), | |
2109 | sizeof (struct rfd_ext), | |
2110 | sizeof (struct ext_ext), | |
2111 | /* Functions to swap in external symbolic data. */ | |
2112 | ecoff_swap_hdr_in, | |
2113 | ecoff_swap_dnr_in, | |
2114 | ecoff_swap_pdr_in, | |
2115 | ecoff_swap_sym_in, | |
2116 | ecoff_swap_opt_in, | |
2117 | ecoff_swap_fdr_in, | |
2118 | ecoff_swap_rfd_in, | |
2119 | ecoff_swap_ext_in, | |
2120 | _bfd_ecoff_swap_tir_in, | |
2121 | _bfd_ecoff_swap_rndx_in, | |
2122 | /* Functions to swap out external symbolic data. */ | |
2123 | ecoff_swap_hdr_out, | |
2124 | ecoff_swap_dnr_out, | |
2125 | ecoff_swap_pdr_out, | |
2126 | ecoff_swap_sym_out, | |
2127 | ecoff_swap_opt_out, | |
2128 | ecoff_swap_fdr_out, | |
2129 | ecoff_swap_rfd_out, | |
2130 | ecoff_swap_ext_out, | |
2131 | _bfd_ecoff_swap_tir_out, | |
2132 | _bfd_ecoff_swap_rndx_out, | |
2133 | /* Function to read in symbolic data. */ | |
2134 | _bfd_mips_elf_read_ecoff_info | |
2135 | }; | |
2136 | \f | |
2137 | #define ELF_ARCH bfd_arch_mips | |
2138 | #define ELF_MACHINE_CODE EM_MIPS | |
2139 | ||
2140 | /* The SVR4 MIPS ABI says that this should be 0x10000, but Irix 5 uses | |
2141 | a value of 0x1000, and we are compatible. | |
2142 | FIXME: How does this affect NewABI? */ | |
2143 | #define ELF_MAXPAGESIZE 0x1000 | |
2144 | ||
b34976b6 AM |
2145 | #define elf_backend_collect TRUE |
2146 | #define elf_backend_type_change_ok TRUE | |
2147 | #define elf_backend_can_gc_sections TRUE | |
8a397dad TS |
2148 | #define elf_info_to_howto mips_info_to_howto_rela |
2149 | #define elf_info_to_howto_rel mips_info_to_howto_rel | |
2150 | #define elf_backend_sym_is_global mips_elf_sym_is_global | |
2151 | #define elf_backend_object_p mips_elf_n32_object_p | |
2152 | #define elf_backend_symbol_processing _bfd_mips_elf_symbol_processing | |
2153 | #define elf_backend_section_processing _bfd_mips_elf_section_processing | |
2154 | #define elf_backend_section_from_shdr _bfd_mips_elf_section_from_shdr | |
2155 | #define elf_backend_fake_sections _bfd_mips_elf_fake_sections | |
2156 | #define elf_backend_section_from_bfd_section \ | |
2157 | _bfd_mips_elf_section_from_bfd_section | |
2158 | #define elf_backend_add_symbol_hook _bfd_mips_elf_add_symbol_hook | |
2159 | #define elf_backend_link_output_symbol_hook \ | |
2160 | _bfd_mips_elf_link_output_symbol_hook | |
2161 | #define elf_backend_create_dynamic_sections \ | |
2162 | _bfd_mips_elf_create_dynamic_sections | |
2163 | #define elf_backend_check_relocs _bfd_mips_elf_check_relocs | |
2164 | #define elf_backend_adjust_dynamic_symbol \ | |
2165 | _bfd_mips_elf_adjust_dynamic_symbol | |
2166 | #define elf_backend_always_size_sections \ | |
2167 | _bfd_mips_elf_always_size_sections | |
2168 | #define elf_backend_size_dynamic_sections \ | |
2169 | _bfd_mips_elf_size_dynamic_sections | |
2170 | #define elf_backend_relocate_section _bfd_mips_elf_relocate_section | |
2171 | #define elf_backend_finish_dynamic_symbol \ | |
2172 | _bfd_mips_elf_finish_dynamic_symbol | |
2173 | #define elf_backend_finish_dynamic_sections \ | |
2174 | _bfd_mips_elf_finish_dynamic_sections | |
2175 | #define elf_backend_final_write_processing \ | |
2176 | _bfd_mips_elf_final_write_processing | |
2177 | #define elf_backend_additional_program_headers \ | |
2178 | _bfd_mips_elf_additional_program_headers | |
2179 | #define elf_backend_modify_segment_map _bfd_mips_elf_modify_segment_map | |
2180 | #define elf_backend_gc_mark_hook _bfd_mips_elf_gc_mark_hook | |
2181 | #define elf_backend_gc_sweep_hook _bfd_mips_elf_gc_sweep_hook | |
2182 | #define elf_backend_copy_indirect_symbol \ | |
2183 | _bfd_mips_elf_copy_indirect_symbol | |
2184 | #define elf_backend_hide_symbol _bfd_mips_elf_hide_symbol | |
2185 | #define elf_backend_grok_prstatus elf32_mips_grok_prstatus | |
2186 | #define elf_backend_grok_psinfo elf32_mips_grok_psinfo | |
2187 | #define elf_backend_ecoff_debug_swap &mips_elf32_ecoff_debug_swap | |
2188 | ||
2189 | #define elf_backend_got_header_size (4 * MIPS_RESERVED_GOTNO) | |
2190 | #define elf_backend_plt_header_size 0 | |
2191 | ||
2192 | /* MIPS n32 ELF can use a mixture of REL and RELA, but some Relocations | |
2193 | work better/work only in RELA, so we default to this. */ | |
2194 | #define elf_backend_may_use_rel_p 1 | |
2195 | #define elf_backend_may_use_rela_p 1 | |
2196 | #define elf_backend_default_use_rela_p 1 | |
b34976b6 | 2197 | #define elf_backend_sign_extend_vma TRUE |
8a397dad TS |
2198 | |
2199 | #define elf_backend_discard_info _bfd_mips_elf_discard_info | |
2200 | #define elf_backend_ignore_discarded_relocs \ | |
2201 | _bfd_mips_elf_ignore_discarded_relocs | |
2202 | #define elf_backend_write_section _bfd_mips_elf_write_section | |
2203 | #define elf_backend_mips_irix_compat elf_n32_mips_irix_compat | |
2204 | #define elf_backend_mips_rtype_to_howto mips_elf_n32_rtype_to_howto | |
2205 | #define bfd_elf32_find_nearest_line _bfd_mips_elf_find_nearest_line | |
f0abc2a1 | 2206 | #define bfd_elf32_new_section_hook _bfd_mips_elf_new_section_hook |
8a397dad TS |
2207 | #define bfd_elf32_set_section_contents _bfd_mips_elf_set_section_contents |
2208 | #define bfd_elf32_bfd_get_relocated_section_contents \ | |
2209 | _bfd_elf_mips_get_relocated_section_contents | |
2210 | #define bfd_elf32_bfd_link_hash_table_create \ | |
2211 | _bfd_mips_elf_link_hash_table_create | |
2212 | #define bfd_elf32_bfd_final_link _bfd_mips_elf_final_link | |
2213 | #define bfd_elf32_bfd_merge_private_bfd_data \ | |
2214 | _bfd_mips_elf_merge_private_bfd_data | |
2215 | #define bfd_elf32_bfd_set_private_flags _bfd_mips_elf_set_private_flags | |
2216 | #define bfd_elf32_bfd_print_private_bfd_data \ | |
2217 | _bfd_mips_elf_print_private_bfd_data | |
2218 | ||
2219 | /* Support for SGI-ish mips targets using n32 ABI. */ | |
2220 | ||
2221 | #define TARGET_LITTLE_SYM bfd_elf32_nlittlemips_vec | |
2222 | #define TARGET_LITTLE_NAME "elf32-nlittlemips" | |
2223 | #define TARGET_BIG_SYM bfd_elf32_nbigmips_vec | |
2224 | #define TARGET_BIG_NAME "elf32-nbigmips" | |
2225 | ||
2226 | #include "elf32-target.h" | |
2227 | ||
2228 | /* Support for traditional mips targets using n32 ABI. */ | |
2229 | #define INCLUDED_TARGET_FILE /* More a type of flag. */ | |
2230 | ||
2231 | #undef TARGET_LITTLE_SYM | |
2232 | #undef TARGET_LITTLE_NAME | |
2233 | #undef TARGET_BIG_SYM | |
2234 | #undef TARGET_BIG_NAME | |
2235 | ||
2236 | #define TARGET_LITTLE_SYM bfd_elf32_ntradlittlemips_vec | |
2237 | #define TARGET_LITTLE_NAME "elf32-ntradlittlemips" | |
2238 | #define TARGET_BIG_SYM bfd_elf32_ntradbigmips_vec | |
2239 | #define TARGET_BIG_NAME "elf32-ntradbigmips" | |
2240 | ||
2241 | /* Include the target file again for this target. */ | |
2242 | #include "elf32-target.h" |