Commit | Line | Data |
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252b5132 | 1 | /* MIPS-specific support for 64-bit ELF |
7898deda NC |
2 | Copyright 1996, 1997, 1998, 1999, 2000, 2001 |
3 | Free Software Foundation, Inc. | |
252b5132 | 4 | Ian Lance Taylor, Cygnus Support |
103186c6 MM |
5 | Linker support added by Mark Mitchell, CodeSourcery, LLC. |
6 | <mark@codesourcery.com> | |
252b5132 RH |
7 | |
8 | This file is part of BFD, the Binary File Descriptor library. | |
9 | ||
10 | This program is free software; you can redistribute it and/or modify | |
11 | it under the terms of the GNU General Public License as published by | |
12 | the Free Software Foundation; either version 2 of the License, or | |
13 | (at your option) any later version. | |
14 | ||
15 | This program is distributed in the hope that it will be useful, | |
16 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | GNU General Public License for more details. | |
19 | ||
20 | You should have received a copy of the GNU General Public License | |
21 | along with this program; if not, write to the Free Software | |
22 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
23 | ||
24 | /* This file supports the 64-bit MIPS ELF ABI. | |
25 | ||
26 | The MIPS 64-bit ELF ABI uses an unusual reloc format. This file | |
27 | overrides the usual ELF reloc handling, and handles reading and | |
28 | writing the relocations here. | |
29 | ||
30 | The MIPS 64-bit ELF ABI also uses an unusual archive map format. */ | |
31 | ||
32 | #include "bfd.h" | |
33 | #include "sysdep.h" | |
34 | #include "libbfd.h" | |
35 | #include "aout/ar.h" | |
36 | #include "bfdlink.h" | |
37 | #include "genlink.h" | |
38 | #include "elf-bfd.h" | |
39 | #include "elf/mips.h" | |
40 | ||
41 | /* Get the ECOFF swapping routines. The 64-bit ABI is not supposed to | |
42 | use ECOFF. However, we support it anyhow for an easier changeover. */ | |
43 | #include "coff/sym.h" | |
44 | #include "coff/symconst.h" | |
45 | #include "coff/internal.h" | |
46 | #include "coff/ecoff.h" | |
47 | /* The 64 bit versions of the mdebug data structures are in alpha.h. */ | |
48 | #include "coff/alpha.h" | |
23e2c83b | 49 | #define ECOFF_SIGNED_64 |
252b5132 RH |
50 | #include "ecoffswap.h" |
51 | ||
52 | static void mips_elf64_swap_reloc_in | |
53 | PARAMS ((bfd *, const Elf64_Mips_External_Rel *, | |
54 | Elf64_Mips_Internal_Rel *)); | |
55 | static void mips_elf64_swap_reloca_in | |
56 | PARAMS ((bfd *, const Elf64_Mips_External_Rela *, | |
57 | Elf64_Mips_Internal_Rela *)); | |
252b5132 RH |
58 | static void mips_elf64_swap_reloc_out |
59 | PARAMS ((bfd *, const Elf64_Mips_Internal_Rel *, | |
60 | Elf64_Mips_External_Rel *)); | |
252b5132 RH |
61 | static void mips_elf64_swap_reloca_out |
62 | PARAMS ((bfd *, const Elf64_Mips_Internal_Rela *, | |
63 | Elf64_Mips_External_Rela *)); | |
c7ac6ff8 MM |
64 | static void mips_elf64_be_swap_reloc_in |
65 | PARAMS ((bfd *, const bfd_byte *, Elf_Internal_Rel *)); | |
66 | static void mips_elf64_be_swap_reloc_out | |
67 | PARAMS ((bfd *, const Elf_Internal_Rel *, bfd_byte *)); | |
68 | static void mips_elf64_be_swap_reloca_in | |
69 | PARAMS ((bfd *, const bfd_byte *, Elf_Internal_Rela *)); | |
70 | static void mips_elf64_be_swap_reloca_out | |
71 | PARAMS ((bfd *, const Elf_Internal_Rela *, bfd_byte *)); | |
252b5132 RH |
72 | static reloc_howto_type *mips_elf64_reloc_type_lookup |
73 | PARAMS ((bfd *, bfd_reloc_code_real_type)); | |
74 | static long mips_elf64_get_reloc_upper_bound PARAMS ((bfd *, asection *)); | |
75 | static boolean mips_elf64_slurp_one_reloc_table | |
76 | PARAMS ((bfd *, asection *, asymbol **, const Elf_Internal_Shdr *)); | |
77 | static boolean mips_elf64_slurp_reloc_table | |
78 | PARAMS ((bfd *, asection *, asymbol **, boolean)); | |
79 | static void mips_elf64_write_relocs PARAMS ((bfd *, asection *, PTR)); | |
252b5132 RH |
80 | static boolean mips_elf64_slurp_armap PARAMS ((bfd *)); |
81 | static boolean mips_elf64_write_armap | |
82 | PARAMS ((bfd *, unsigned int, struct orl *, unsigned int, int)); | |
83 | ||
84 | /* In case we're on a 32-bit machine, construct a 64-bit "-1" value | |
85 | from smaller values. Start with zero, widen, *then* decrement. */ | |
86 | #define MINUS_ONE (((bfd_vma)0) - 1) | |
87 | ||
103186c6 MM |
88 | /* The number of local .got entries we reserve. */ |
89 | #define MIPS_RESERVED_GOTNO (2) | |
90 | ||
252b5132 RH |
91 | /* The relocation table used for SHT_REL sections. */ |
92 | ||
5e572849 AM |
93 | #define UNUSED_RELOC(num) { num, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } |
94 | ||
252b5132 RH |
95 | static reloc_howto_type mips_elf64_howto_table_rel[] = |
96 | { | |
97 | /* No relocation. */ | |
98 | HOWTO (R_MIPS_NONE, /* type */ | |
99 | 0, /* rightshift */ | |
100 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
101 | 0, /* bitsize */ | |
102 | false, /* pc_relative */ | |
103 | 0, /* bitpos */ | |
104 | complain_overflow_dont, /* complain_on_overflow */ | |
105 | bfd_elf_generic_reloc, /* special_function */ | |
106 | "R_MIPS_NONE", /* name */ | |
107 | false, /* partial_inplace */ | |
108 | 0, /* src_mask */ | |
109 | 0, /* dst_mask */ | |
110 | false), /* pcrel_offset */ | |
111 | ||
112 | /* 16 bit relocation. */ | |
113 | HOWTO (R_MIPS_16, /* type */ | |
114 | 0, /* rightshift */ | |
115 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
116 | 16, /* bitsize */ | |
117 | false, /* pc_relative */ | |
118 | 0, /* bitpos */ | |
119 | complain_overflow_bitfield, /* complain_on_overflow */ | |
120 | bfd_elf_generic_reloc, /* special_function */ | |
121 | "R_MIPS_16", /* name */ | |
122 | true, /* partial_inplace */ | |
123 | 0xffff, /* src_mask */ | |
124 | 0xffff, /* dst_mask */ | |
125 | false), /* pcrel_offset */ | |
126 | ||
127 | /* 32 bit relocation. */ | |
128 | HOWTO (R_MIPS_32, /* type */ | |
129 | 0, /* rightshift */ | |
130 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
131 | 32, /* bitsize */ | |
132 | false, /* pc_relative */ | |
133 | 0, /* bitpos */ | |
77bfe34f | 134 | complain_overflow_dont, /* complain_on_overflow */ |
252b5132 RH |
135 | bfd_elf_generic_reloc, /* special_function */ |
136 | "R_MIPS_32", /* name */ | |
137 | true, /* partial_inplace */ | |
138 | 0xffffffff, /* src_mask */ | |
139 | 0xffffffff, /* dst_mask */ | |
140 | false), /* pcrel_offset */ | |
141 | ||
142 | /* 32 bit symbol relative relocation. */ | |
143 | HOWTO (R_MIPS_REL32, /* type */ | |
144 | 0, /* rightshift */ | |
145 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
146 | 32, /* bitsize */ | |
147 | false, /* pc_relative */ | |
148 | 0, /* bitpos */ | |
77bfe34f | 149 | complain_overflow_dont, /* complain_on_overflow */ |
252b5132 RH |
150 | bfd_elf_generic_reloc, /* special_function */ |
151 | "R_MIPS_REL32", /* name */ | |
152 | true, /* partial_inplace */ | |
153 | 0xffffffff, /* src_mask */ | |
154 | 0xffffffff, /* dst_mask */ | |
155 | false), /* pcrel_offset */ | |
156 | ||
77bfe34f | 157 | /* 26 bit jump address. */ |
252b5132 RH |
158 | HOWTO (R_MIPS_26, /* type */ |
159 | 2, /* rightshift */ | |
160 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
161 | 26, /* bitsize */ | |
162 | false, /* pc_relative */ | |
163 | 0, /* bitpos */ | |
164 | complain_overflow_dont, /* complain_on_overflow */ | |
56fc028e | 165 | /* This needs complex overflow |
77bfe34f | 166 | detection, because the upper 36 |
b401d8e5 | 167 | bits must match the PC + 4. */ |
252b5132 RH |
168 | bfd_elf_generic_reloc, /* special_function */ |
169 | "R_MIPS_26", /* name */ | |
170 | true, /* partial_inplace */ | |
171 | 0x3ffffff, /* src_mask */ | |
172 | 0x3ffffff, /* dst_mask */ | |
173 | false), /* pcrel_offset */ | |
174 | ||
175 | /* High 16 bits of symbol value. */ | |
176 | HOWTO (R_MIPS_HI16, /* type */ | |
177 | 0, /* rightshift */ | |
178 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
179 | 16, /* bitsize */ | |
180 | false, /* pc_relative */ | |
181 | 0, /* bitpos */ | |
182 | complain_overflow_dont, /* complain_on_overflow */ | |
183 | _bfd_mips_elf_hi16_reloc, /* special_function */ | |
184 | "R_MIPS_HI16", /* name */ | |
185 | true, /* partial_inplace */ | |
186 | 0xffff, /* src_mask */ | |
187 | 0xffff, /* dst_mask */ | |
188 | false), /* pcrel_offset */ | |
189 | ||
190 | /* Low 16 bits of symbol value. */ | |
191 | HOWTO (R_MIPS_LO16, /* type */ | |
192 | 0, /* rightshift */ | |
193 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
194 | 16, /* bitsize */ | |
195 | false, /* pc_relative */ | |
196 | 0, /* bitpos */ | |
197 | complain_overflow_dont, /* complain_on_overflow */ | |
198 | _bfd_mips_elf_lo16_reloc, /* special_function */ | |
199 | "R_MIPS_LO16", /* name */ | |
200 | true, /* partial_inplace */ | |
201 | 0xffff, /* src_mask */ | |
202 | 0xffff, /* dst_mask */ | |
203 | false), /* pcrel_offset */ | |
204 | ||
205 | /* GP relative reference. */ | |
206 | HOWTO (R_MIPS_GPREL16, /* type */ | |
207 | 0, /* rightshift */ | |
208 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
209 | 16, /* bitsize */ | |
210 | false, /* pc_relative */ | |
211 | 0, /* bitpos */ | |
212 | complain_overflow_signed, /* complain_on_overflow */ | |
213 | _bfd_mips_elf_gprel16_reloc, /* special_function */ | |
214 | "R_MIPS_GPREL16", /* name */ | |
215 | true, /* partial_inplace */ | |
216 | 0xffff, /* src_mask */ | |
217 | 0xffff, /* dst_mask */ | |
218 | false), /* pcrel_offset */ | |
219 | ||
220 | /* Reference to literal section. */ | |
221 | HOWTO (R_MIPS_LITERAL, /* type */ | |
222 | 0, /* rightshift */ | |
223 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
224 | 16, /* bitsize */ | |
225 | false, /* pc_relative */ | |
226 | 0, /* bitpos */ | |
227 | complain_overflow_signed, /* complain_on_overflow */ | |
228 | _bfd_mips_elf_gprel16_reloc, /* special_function */ | |
229 | "R_MIPS_LITERAL", /* name */ | |
230 | true, /* partial_inplace */ | |
231 | 0xffff, /* src_mask */ | |
232 | 0xffff, /* dst_mask */ | |
233 | false), /* pcrel_offset */ | |
234 | ||
235 | /* Reference to global offset table. */ | |
236 | HOWTO (R_MIPS_GOT16, /* type */ | |
237 | 0, /* rightshift */ | |
238 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
239 | 16, /* bitsize */ | |
240 | false, /* pc_relative */ | |
241 | 0, /* bitpos */ | |
242 | complain_overflow_signed, /* complain_on_overflow */ | |
243 | _bfd_mips_elf_got16_reloc, /* special_function */ | |
244 | "R_MIPS_GOT16", /* name */ | |
245 | false, /* partial_inplace */ | |
246 | 0, /* src_mask */ | |
247 | 0xffff, /* dst_mask */ | |
248 | false), /* pcrel_offset */ | |
249 | ||
250 | /* 16 bit PC relative reference. */ | |
251 | HOWTO (R_MIPS_PC16, /* type */ | |
252 | 0, /* rightshift */ | |
253 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
254 | 16, /* bitsize */ | |
255 | true, /* pc_relative */ | |
256 | 0, /* bitpos */ | |
257 | complain_overflow_signed, /* complain_on_overflow */ | |
258 | bfd_elf_generic_reloc, /* special_function */ | |
259 | "R_MIPS_PC16", /* name */ | |
260 | true, /* partial_inplace */ | |
261 | 0xffff, /* src_mask */ | |
262 | 0xffff, /* dst_mask */ | |
263 | false), /* pcrel_offset */ | |
264 | ||
265 | /* 16 bit call through global offset table. */ | |
266 | /* FIXME: This is not handled correctly. */ | |
267 | HOWTO (R_MIPS_CALL16, /* type */ | |
268 | 0, /* rightshift */ | |
269 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
270 | 16, /* bitsize */ | |
271 | false, /* pc_relative */ | |
272 | 0, /* bitpos */ | |
273 | complain_overflow_signed, /* complain_on_overflow */ | |
274 | bfd_elf_generic_reloc, /* special_function */ | |
275 | "R_MIPS_CALL16", /* name */ | |
276 | false, /* partial_inplace */ | |
277 | 0, /* src_mask */ | |
278 | 0xffff, /* dst_mask */ | |
279 | false), /* pcrel_offset */ | |
280 | ||
281 | /* 32 bit GP relative reference. */ | |
282 | HOWTO (R_MIPS_GPREL32, /* type */ | |
283 | 0, /* rightshift */ | |
284 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
285 | 32, /* bitsize */ | |
286 | false, /* pc_relative */ | |
287 | 0, /* bitpos */ | |
288 | complain_overflow_bitfield, /* complain_on_overflow */ | |
289 | _bfd_mips_elf_gprel32_reloc, /* special_function */ | |
290 | "R_MIPS_GPREL32", /* name */ | |
291 | true, /* partial_inplace */ | |
292 | 0xffffffff, /* src_mask */ | |
293 | 0xffffffff, /* dst_mask */ | |
294 | false), /* pcrel_offset */ | |
295 | ||
5e572849 AM |
296 | UNUSED_RELOC (13), |
297 | UNUSED_RELOC (14), | |
298 | UNUSED_RELOC (15), | |
252b5132 RH |
299 | |
300 | /* A 5 bit shift field. */ | |
301 | HOWTO (R_MIPS_SHIFT5, /* type */ | |
302 | 0, /* rightshift */ | |
303 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
304 | 5, /* bitsize */ | |
305 | false, /* pc_relative */ | |
306 | 6, /* bitpos */ | |
307 | complain_overflow_bitfield, /* complain_on_overflow */ | |
308 | bfd_elf_generic_reloc, /* special_function */ | |
309 | "R_MIPS_SHIFT5", /* name */ | |
310 | true, /* partial_inplace */ | |
311 | 0x000007c0, /* src_mask */ | |
312 | 0x000007c0, /* dst_mask */ | |
313 | false), /* pcrel_offset */ | |
314 | ||
315 | /* A 6 bit shift field. */ | |
316 | /* FIXME: This is not handled correctly; a special function is | |
317 | needed to put the most significant bit in the right place. */ | |
318 | HOWTO (R_MIPS_SHIFT6, /* type */ | |
319 | 0, /* rightshift */ | |
320 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
321 | 6, /* bitsize */ | |
322 | false, /* pc_relative */ | |
323 | 6, /* bitpos */ | |
324 | complain_overflow_bitfield, /* complain_on_overflow */ | |
325 | bfd_elf_generic_reloc, /* special_function */ | |
326 | "R_MIPS_SHIFT6", /* name */ | |
327 | true, /* partial_inplace */ | |
328 | 0x000007c4, /* src_mask */ | |
329 | 0x000007c4, /* dst_mask */ | |
330 | false), /* pcrel_offset */ | |
331 | ||
332 | /* 64 bit relocation. */ | |
333 | HOWTO (R_MIPS_64, /* type */ | |
334 | 0, /* rightshift */ | |
335 | 4, /* size (0 = byte, 1 = short, 2 = long) */ | |
336 | 64, /* bitsize */ | |
337 | false, /* pc_relative */ | |
338 | 0, /* bitpos */ | |
77bfe34f | 339 | complain_overflow_dont, /* complain_on_overflow */ |
252b5132 RH |
340 | bfd_elf_generic_reloc, /* special_function */ |
341 | "R_MIPS_64", /* name */ | |
342 | true, /* partial_inplace */ | |
343 | MINUS_ONE, /* src_mask */ | |
344 | MINUS_ONE, /* dst_mask */ | |
345 | false), /* pcrel_offset */ | |
346 | ||
347 | /* Displacement in the global offset table. */ | |
348 | /* FIXME: Not handled correctly. */ | |
349 | HOWTO (R_MIPS_GOT_DISP, /* type */ | |
350 | 0, /* rightshift */ | |
351 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
352 | 16, /* bitsize */ | |
353 | false, /* pc_relative */ | |
354 | 0, /* bitpos */ | |
77bfe34f | 355 | complain_overflow_signed, /* complain_on_overflow */ |
252b5132 RH |
356 | bfd_elf_generic_reloc, /* special_function */ |
357 | "R_MIPS_GOT_DISP", /* name */ | |
77bfe34f | 358 | false, /* partial_inplace */ |
252b5132 RH |
359 | 0x0000ffff, /* src_mask */ |
360 | 0x0000ffff, /* dst_mask */ | |
361 | false), /* pcrel_offset */ | |
362 | ||
363 | /* Displacement to page pointer in the global offset table. */ | |
364 | /* FIXME: Not handled correctly. */ | |
365 | HOWTO (R_MIPS_GOT_PAGE, /* type */ | |
366 | 0, /* rightshift */ | |
367 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
368 | 16, /* bitsize */ | |
369 | false, /* pc_relative */ | |
370 | 0, /* bitpos */ | |
77bfe34f | 371 | complain_overflow_signed, /* complain_on_overflow */ |
252b5132 RH |
372 | bfd_elf_generic_reloc, /* special_function */ |
373 | "R_MIPS_GOT_PAGE", /* name */ | |
77bfe34f | 374 | false, /* partial_inplace */ |
252b5132 RH |
375 | 0x0000ffff, /* src_mask */ |
376 | 0x0000ffff, /* dst_mask */ | |
377 | false), /* pcrel_offset */ | |
378 | ||
379 | /* Offset from page pointer in the global offset table. */ | |
380 | /* FIXME: Not handled correctly. */ | |
381 | HOWTO (R_MIPS_GOT_OFST, /* type */ | |
382 | 0, /* rightshift */ | |
383 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
384 | 16, /* bitsize */ | |
385 | false, /* pc_relative */ | |
386 | 0, /* bitpos */ | |
77bfe34f | 387 | complain_overflow_signed, /* complain_on_overflow */ |
252b5132 RH |
388 | bfd_elf_generic_reloc, /* special_function */ |
389 | "R_MIPS_GOT_OFST", /* name */ | |
77bfe34f | 390 | false, /* partial_inplace */ |
252b5132 RH |
391 | 0x0000ffff, /* src_mask */ |
392 | 0x0000ffff, /* dst_mask */ | |
393 | false), /* pcrel_offset */ | |
394 | ||
395 | /* High 16 bits of displacement in global offset table. */ | |
396 | /* FIXME: Not handled correctly. */ | |
397 | HOWTO (R_MIPS_GOT_HI16, /* type */ | |
398 | 0, /* rightshift */ | |
399 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
400 | 16, /* bitsize */ | |
401 | false, /* pc_relative */ | |
402 | 0, /* bitpos */ | |
403 | complain_overflow_dont, /* complain_on_overflow */ | |
404 | bfd_elf_generic_reloc, /* special_function */ | |
405 | "R_MIPS_GOT_HI16", /* name */ | |
77bfe34f | 406 | false, /* partial_inplace */ |
252b5132 RH |
407 | 0x0000ffff, /* src_mask */ |
408 | 0x0000ffff, /* dst_mask */ | |
409 | false), /* pcrel_offset */ | |
410 | ||
411 | /* Low 16 bits of displacement in global offset table. */ | |
412 | /* FIXME: Not handled correctly. */ | |
413 | HOWTO (R_MIPS_GOT_LO16, /* type */ | |
414 | 0, /* rightshift */ | |
415 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
416 | 16, /* bitsize */ | |
417 | false, /* pc_relative */ | |
418 | 0, /* bitpos */ | |
419 | complain_overflow_dont, /* complain_on_overflow */ | |
420 | bfd_elf_generic_reloc, /* special_function */ | |
421 | "R_MIPS_GOT_LO16", /* name */ | |
77bfe34f | 422 | false, /* partial_inplace */ |
252b5132 RH |
423 | 0x0000ffff, /* src_mask */ |
424 | 0x0000ffff, /* dst_mask */ | |
425 | false), /* pcrel_offset */ | |
426 | ||
427 | /* 64 bit substraction. */ | |
428 | /* FIXME: Not handled correctly. */ | |
429 | HOWTO (R_MIPS_SUB, /* type */ | |
430 | 0, /* rightshift */ | |
431 | 4, /* size (0 = byte, 1 = short, 2 = long) */ | |
432 | 64, /* bitsize */ | |
433 | false, /* pc_relative */ | |
434 | 0, /* bitpos */ | |
77bfe34f | 435 | complain_overflow_dont, /* complain_on_overflow */ |
252b5132 RH |
436 | bfd_elf_generic_reloc, /* special_function */ |
437 | "R_MIPS_SUB", /* name */ | |
438 | true, /* partial_inplace */ | |
439 | MINUS_ONE, /* src_mask */ | |
440 | MINUS_ONE, /* dst_mask */ | |
441 | false), /* pcrel_offset */ | |
442 | ||
443 | /* Insert the addend as an instruction. */ | |
444 | /* FIXME: Not handled correctly. */ | |
445 | HOWTO (R_MIPS_INSERT_A, /* type */ | |
446 | 0, /* rightshift */ | |
77bfe34f TS |
447 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
448 | 32, /* bitsize */ | |
252b5132 RH |
449 | false, /* pc_relative */ |
450 | 0, /* bitpos */ | |
451 | complain_overflow_dont, /* complain_on_overflow */ | |
452 | bfd_elf_generic_reloc, /* special_function */ | |
453 | "R_MIPS_INSERT_A", /* name */ | |
77bfe34f TS |
454 | true, /* partial_inplace */ |
455 | 0xffffffff, /* src_mask */ | |
456 | 0xffffffff, /* dst_mask */ | |
252b5132 RH |
457 | false), /* pcrel_offset */ |
458 | ||
459 | /* Insert the addend as an instruction, and change all relocations | |
460 | to refer to the old instruction at the address. */ | |
461 | /* FIXME: Not handled correctly. */ | |
462 | HOWTO (R_MIPS_INSERT_B, /* type */ | |
463 | 0, /* rightshift */ | |
77bfe34f TS |
464 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
465 | 32, /* bitsize */ | |
252b5132 RH |
466 | false, /* pc_relative */ |
467 | 0, /* bitpos */ | |
468 | complain_overflow_dont, /* complain_on_overflow */ | |
469 | bfd_elf_generic_reloc, /* special_function */ | |
470 | "R_MIPS_INSERT_B", /* name */ | |
77bfe34f TS |
471 | true, /* partial_inplace */ |
472 | 0xffffffff, /* src_mask */ | |
473 | 0xffffffff, /* dst_mask */ | |
252b5132 RH |
474 | false), /* pcrel_offset */ |
475 | ||
476 | /* Delete a 32 bit instruction. */ | |
477 | /* FIXME: Not handled correctly. */ | |
478 | HOWTO (R_MIPS_DELETE, /* type */ | |
479 | 0, /* rightshift */ | |
77bfe34f TS |
480 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
481 | 32, /* bitsize */ | |
252b5132 RH |
482 | false, /* pc_relative */ |
483 | 0, /* bitpos */ | |
484 | complain_overflow_dont, /* complain_on_overflow */ | |
485 | bfd_elf_generic_reloc, /* special_function */ | |
486 | "R_MIPS_DELETE", /* name */ | |
77bfe34f TS |
487 | true, /* partial_inplace */ |
488 | 0xffffffff, /* src_mask */ | |
489 | 0xffffffff, /* dst_mask */ | |
252b5132 RH |
490 | false), /* pcrel_offset */ |
491 | ||
492 | /* Get the higher value of a 64 bit addend. */ | |
252b5132 RH |
493 | HOWTO (R_MIPS_HIGHER, /* type */ |
494 | 0, /* rightshift */ | |
495 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
496 | 16, /* bitsize */ | |
497 | false, /* pc_relative */ | |
498 | 0, /* bitpos */ | |
499 | complain_overflow_dont, /* complain_on_overflow */ | |
500 | bfd_elf_generic_reloc, /* special_function */ | |
501 | "R_MIPS_HIGHER", /* name */ | |
502 | true, /* partial_inplace */ | |
503 | 0xffff, /* src_mask */ | |
504 | 0xffff, /* dst_mask */ | |
505 | false), /* pcrel_offset */ | |
506 | ||
507 | /* Get the highest value of a 64 bit addend. */ | |
508 | /* FIXME: Not handled correctly. */ | |
509 | HOWTO (R_MIPS_HIGHEST, /* type */ | |
510 | 0, /* rightshift */ | |
511 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
512 | 16, /* bitsize */ | |
513 | false, /* pc_relative */ | |
514 | 0, /* bitpos */ | |
515 | complain_overflow_dont, /* complain_on_overflow */ | |
516 | bfd_elf_generic_reloc, /* special_function */ | |
517 | "R_MIPS_HIGHEST", /* name */ | |
518 | true, /* partial_inplace */ | |
519 | 0xffff, /* src_mask */ | |
520 | 0xffff, /* dst_mask */ | |
521 | false), /* pcrel_offset */ | |
522 | ||
523 | /* High 16 bits of displacement in global offset table. */ | |
524 | /* FIXME: Not handled correctly. */ | |
525 | HOWTO (R_MIPS_CALL_HI16, /* type */ | |
526 | 0, /* rightshift */ | |
527 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
528 | 16, /* bitsize */ | |
529 | false, /* pc_relative */ | |
530 | 0, /* bitpos */ | |
531 | complain_overflow_dont, /* complain_on_overflow */ | |
532 | bfd_elf_generic_reloc, /* special_function */ | |
533 | "R_MIPS_CALL_HI16", /* name */ | |
534 | true, /* partial_inplace */ | |
77bfe34f TS |
535 | 0xffff, /* src_mask */ |
536 | 0xffff, /* dst_mask */ | |
252b5132 RH |
537 | false), /* pcrel_offset */ |
538 | ||
539 | /* Low 16 bits of displacement in global offset table. */ | |
540 | /* FIXME: Not handled correctly. */ | |
541 | HOWTO (R_MIPS_CALL_LO16, /* type */ | |
542 | 0, /* rightshift */ | |
543 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
544 | 16, /* bitsize */ | |
545 | false, /* pc_relative */ | |
546 | 0, /* bitpos */ | |
547 | complain_overflow_dont, /* complain_on_overflow */ | |
548 | bfd_elf_generic_reloc, /* special_function */ | |
549 | "R_MIPS_CALL_LO16", /* name */ | |
550 | true, /* partial_inplace */ | |
77bfe34f TS |
551 | 0xffff, /* src_mask */ |
552 | 0xffff, /* dst_mask */ | |
252b5132 RH |
553 | false), /* pcrel_offset */ |
554 | ||
555 | /* I'm not sure what the remaining relocs are, but they are defined | |
556 | on Irix 6. */ | |
557 | ||
558 | HOWTO (R_MIPS_SCN_DISP, /* type */ | |
559 | 0, /* rightshift */ | |
77bfe34f TS |
560 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
561 | 32, /* bitsize */ | |
252b5132 RH |
562 | false, /* pc_relative */ |
563 | 0, /* bitpos */ | |
564 | complain_overflow_dont, /* complain_on_overflow */ | |
565 | bfd_elf_generic_reloc, /* special_function */ | |
566 | "R_MIPS_SCN_DISP", /* name */ | |
77bfe34f TS |
567 | true, /* partial_inplace */ |
568 | 0xffffffff, /* src_mask */ | |
569 | 0xffffffff, /* dst_mask */ | |
252b5132 RH |
570 | false), /* pcrel_offset */ |
571 | ||
572 | HOWTO (R_MIPS_REL16, /* type */ | |
573 | 0, /* rightshift */ | |
77bfe34f TS |
574 | 1, /* size (0 = byte, 1 = short, 2 = long) */ |
575 | 16, /* bitsize */ | |
252b5132 RH |
576 | false, /* pc_relative */ |
577 | 0, /* bitpos */ | |
77bfe34f | 578 | complain_overflow_signed, /* complain_on_overflow */ |
252b5132 RH |
579 | bfd_elf_generic_reloc, /* special_function */ |
580 | "R_MIPS_REL16", /* name */ | |
77bfe34f TS |
581 | true, /* partial_inplace */ |
582 | 0xffff, /* src_mask */ | |
583 | 0xffff, /* dst_mask */ | |
252b5132 RH |
584 | false), /* pcrel_offset */ |
585 | ||
77bfe34f TS |
586 | /* These two are obsolete. */ |
587 | EMPTY_HOWTO (R_MIPS_ADD_IMMEDIATE), | |
588 | EMPTY_HOWTO (R_MIPS_PJUMP), | |
252b5132 RH |
589 | |
590 | HOWTO (R_MIPS_RELGOT, /* type */ | |
591 | 0, /* rightshift */ | |
77bfe34f TS |
592 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
593 | 32, /* bitsize */ | |
252b5132 RH |
594 | false, /* pc_relative */ |
595 | 0, /* bitpos */ | |
596 | complain_overflow_dont, /* complain_on_overflow */ | |
597 | bfd_elf_generic_reloc, /* special_function */ | |
598 | "R_MIPS_RELGOT", /* name */ | |
77bfe34f TS |
599 | true, /* partial_inplace */ |
600 | 0xffffffff, /* src_mask */ | |
601 | 0xffffffff, /* dst_mask */ | |
d2905643 MM |
602 | false), /* pcrel_offset */ |
603 | ||
fe8bc63d | 604 | /* Protected jump conversion. This is an optimization hint. No |
d2905643 MM |
605 | relocation is required for correctness. */ |
606 | HOWTO (R_MIPS_JALR, /* type */ | |
607 | 0, /* rightshift */ | |
77bfe34f | 608 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
d2905643 MM |
609 | 0, /* bitsize */ |
610 | false, /* pc_relative */ | |
611 | 0, /* bitpos */ | |
612 | complain_overflow_dont, /* complain_on_overflow */ | |
613 | bfd_elf_generic_reloc, /* special_function */ | |
614 | "R_MIPS_JALR", /* name */ | |
615 | false, /* partial_inplace */ | |
77bfe34f TS |
616 | 0, /* src_mask */ |
617 | 0, /* dst_mask */ | |
d2905643 | 618 | false), /* pcrel_offset */ |
252b5132 RH |
619 | }; |
620 | ||
621 | /* The relocation table used for SHT_RELA sections. */ | |
622 | ||
623 | static reloc_howto_type mips_elf64_howto_table_rela[] = | |
624 | { | |
625 | /* No relocation. */ | |
626 | HOWTO (R_MIPS_NONE, /* type */ | |
627 | 0, /* rightshift */ | |
628 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
629 | 0, /* bitsize */ | |
630 | false, /* pc_relative */ | |
631 | 0, /* bitpos */ | |
632 | complain_overflow_dont, /* complain_on_overflow */ | |
633 | bfd_elf_generic_reloc, /* special_function */ | |
634 | "R_MIPS_NONE", /* name */ | |
635 | false, /* partial_inplace */ | |
636 | 0, /* src_mask */ | |
637 | 0, /* dst_mask */ | |
638 | false), /* pcrel_offset */ | |
639 | ||
640 | /* 16 bit relocation. */ | |
641 | HOWTO (R_MIPS_16, /* type */ | |
642 | 0, /* rightshift */ | |
643 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
644 | 16, /* bitsize */ | |
645 | false, /* pc_relative */ | |
646 | 0, /* bitpos */ | |
647 | complain_overflow_bitfield, /* complain_on_overflow */ | |
648 | bfd_elf_generic_reloc, /* special_function */ | |
649 | "R_MIPS_16", /* name */ | |
77bfe34f | 650 | false, /* partial_inplace */ |
252b5132 RH |
651 | 0, /* src_mask */ |
652 | 0xffff, /* dst_mask */ | |
653 | false), /* pcrel_offset */ | |
654 | ||
655 | /* 32 bit relocation. */ | |
656 | HOWTO (R_MIPS_32, /* type */ | |
657 | 0, /* rightshift */ | |
658 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
659 | 32, /* bitsize */ | |
660 | false, /* pc_relative */ | |
661 | 0, /* bitpos */ | |
77bfe34f | 662 | complain_overflow_dont, /* complain_on_overflow */ |
252b5132 RH |
663 | bfd_elf_generic_reloc, /* special_function */ |
664 | "R_MIPS_32", /* name */ | |
77bfe34f | 665 | false, /* partial_inplace */ |
252b5132 RH |
666 | 0, /* src_mask */ |
667 | 0xffffffff, /* dst_mask */ | |
668 | false), /* pcrel_offset */ | |
669 | ||
670 | /* 32 bit symbol relative relocation. */ | |
671 | HOWTO (R_MIPS_REL32, /* type */ | |
672 | 0, /* rightshift */ | |
673 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
674 | 32, /* bitsize */ | |
675 | false, /* pc_relative */ | |
676 | 0, /* bitpos */ | |
77bfe34f | 677 | complain_overflow_dont, /* complain_on_overflow */ |
252b5132 RH |
678 | bfd_elf_generic_reloc, /* special_function */ |
679 | "R_MIPS_REL32", /* name */ | |
77bfe34f | 680 | false, /* partial_inplace */ |
252b5132 RH |
681 | 0, /* src_mask */ |
682 | 0xffffffff, /* dst_mask */ | |
683 | false), /* pcrel_offset */ | |
684 | ||
77bfe34f | 685 | /* 26 bit jump address. */ |
252b5132 RH |
686 | HOWTO (R_MIPS_26, /* type */ |
687 | 2, /* rightshift */ | |
688 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
689 | 26, /* bitsize */ | |
690 | false, /* pc_relative */ | |
691 | 0, /* bitpos */ | |
692 | complain_overflow_dont, /* complain_on_overflow */ | |
56fc028e | 693 | /* This needs complex overflow |
77bfe34f | 694 | detection, because the upper 36 |
b401d8e5 | 695 | bits must match the PC + 4. */ |
252b5132 RH |
696 | bfd_elf_generic_reloc, /* special_function */ |
697 | "R_MIPS_26", /* name */ | |
77bfe34f | 698 | false, /* partial_inplace */ |
252b5132 RH |
699 | 0, /* src_mask */ |
700 | 0x3ffffff, /* dst_mask */ | |
701 | false), /* pcrel_offset */ | |
702 | ||
703 | /* High 16 bits of symbol value. */ | |
704 | HOWTO (R_MIPS_HI16, /* type */ | |
705 | 0, /* rightshift */ | |
706 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
707 | 16, /* bitsize */ | |
708 | false, /* pc_relative */ | |
709 | 0, /* bitpos */ | |
710 | complain_overflow_dont, /* complain_on_overflow */ | |
711 | bfd_elf_generic_reloc, /* special_function */ | |
712 | "R_MIPS_HI16", /* name */ | |
77bfe34f | 713 | false, /* partial_inplace */ |
252b5132 RH |
714 | 0, /* src_mask */ |
715 | 0xffff, /* dst_mask */ | |
716 | false), /* pcrel_offset */ | |
717 | ||
718 | /* Low 16 bits of symbol value. */ | |
719 | HOWTO (R_MIPS_LO16, /* type */ | |
720 | 0, /* rightshift */ | |
721 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
722 | 16, /* bitsize */ | |
723 | false, /* pc_relative */ | |
724 | 0, /* bitpos */ | |
725 | complain_overflow_dont, /* complain_on_overflow */ | |
726 | bfd_elf_generic_reloc, /* special_function */ | |
727 | "R_MIPS_LO16", /* name */ | |
77bfe34f | 728 | false, /* partial_inplace */ |
252b5132 RH |
729 | 0, /* src_mask */ |
730 | 0xffff, /* dst_mask */ | |
731 | false), /* pcrel_offset */ | |
732 | ||
733 | /* GP relative reference. */ | |
734 | HOWTO (R_MIPS_GPREL16, /* type */ | |
735 | 0, /* rightshift */ | |
736 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
737 | 16, /* bitsize */ | |
738 | false, /* pc_relative */ | |
739 | 0, /* bitpos */ | |
740 | complain_overflow_signed, /* complain_on_overflow */ | |
741 | _bfd_mips_elf_gprel16_reloc, /* special_function */ | |
742 | "R_MIPS_GPREL16", /* name */ | |
743 | true, /* partial_inplace */ | |
744 | 0, /* src_mask */ | |
745 | 0xffff, /* dst_mask */ | |
746 | false), /* pcrel_offset */ | |
747 | ||
748 | /* Reference to literal section. */ | |
749 | HOWTO (R_MIPS_LITERAL, /* type */ | |
750 | 0, /* rightshift */ | |
751 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
752 | 16, /* bitsize */ | |
753 | false, /* pc_relative */ | |
754 | 0, /* bitpos */ | |
755 | complain_overflow_signed, /* complain_on_overflow */ | |
756 | _bfd_mips_elf_gprel16_reloc, /* special_function */ | |
757 | "R_MIPS_LITERAL", /* name */ | |
758 | true, /* partial_inplace */ | |
759 | 0, /* src_mask */ | |
760 | 0xffff, /* dst_mask */ | |
761 | false), /* pcrel_offset */ | |
762 | ||
763 | /* Reference to global offset table. */ | |
764 | /* FIXME: This is not handled correctly. */ | |
765 | HOWTO (R_MIPS_GOT16, /* type */ | |
766 | 0, /* rightshift */ | |
767 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
768 | 16, /* bitsize */ | |
769 | false, /* pc_relative */ | |
770 | 0, /* bitpos */ | |
771 | complain_overflow_signed, /* complain_on_overflow */ | |
77bfe34f | 772 | bfd_elf_generic_reloc, /* special_function */ |
252b5132 RH |
773 | "R_MIPS_GOT16", /* name */ |
774 | false, /* partial_inplace */ | |
775 | 0, /* src_mask */ | |
776 | 0xffff, /* dst_mask */ | |
777 | false), /* pcrel_offset */ | |
778 | ||
779 | /* 16 bit PC relative reference. */ | |
780 | HOWTO (R_MIPS_PC16, /* type */ | |
781 | 0, /* rightshift */ | |
782 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
783 | 16, /* bitsize */ | |
784 | true, /* pc_relative */ | |
785 | 0, /* bitpos */ | |
786 | complain_overflow_signed, /* complain_on_overflow */ | |
787 | bfd_elf_generic_reloc, /* special_function */ | |
788 | "R_MIPS_PC16", /* name */ | |
77bfe34f | 789 | false, /* partial_inplace */ |
252b5132 RH |
790 | 0, /* src_mask */ |
791 | 0xffff, /* dst_mask */ | |
792 | false), /* pcrel_offset */ | |
793 | ||
794 | /* 16 bit call through global offset table. */ | |
795 | /* FIXME: This is not handled correctly. */ | |
796 | HOWTO (R_MIPS_CALL16, /* type */ | |
797 | 0, /* rightshift */ | |
798 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
799 | 16, /* bitsize */ | |
800 | false, /* pc_relative */ | |
801 | 0, /* bitpos */ | |
802 | complain_overflow_signed, /* complain_on_overflow */ | |
803 | bfd_elf_generic_reloc, /* special_function */ | |
804 | "R_MIPS_CALL16", /* name */ | |
805 | false, /* partial_inplace */ | |
806 | 0, /* src_mask */ | |
807 | 0xffff, /* dst_mask */ | |
808 | false), /* pcrel_offset */ | |
809 | ||
810 | /* 32 bit GP relative reference. */ | |
811 | HOWTO (R_MIPS_GPREL32, /* type */ | |
812 | 0, /* rightshift */ | |
813 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
814 | 32, /* bitsize */ | |
815 | false, /* pc_relative */ | |
816 | 0, /* bitpos */ | |
817 | complain_overflow_bitfield, /* complain_on_overflow */ | |
818 | _bfd_mips_elf_gprel32_reloc, /* special_function */ | |
819 | "R_MIPS_GPREL32", /* name */ | |
820 | true, /* partial_inplace */ | |
821 | 0, /* src_mask */ | |
822 | 0xffffffff, /* dst_mask */ | |
823 | false), /* pcrel_offset */ | |
824 | ||
5e572849 AM |
825 | UNUSED_RELOC (13), |
826 | UNUSED_RELOC (14), | |
827 | UNUSED_RELOC (15), | |
252b5132 RH |
828 | |
829 | /* A 5 bit shift field. */ | |
830 | HOWTO (R_MIPS_SHIFT5, /* type */ | |
831 | 0, /* rightshift */ | |
832 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
833 | 5, /* bitsize */ | |
834 | false, /* pc_relative */ | |
835 | 6, /* bitpos */ | |
836 | complain_overflow_bitfield, /* complain_on_overflow */ | |
837 | bfd_elf_generic_reloc, /* special_function */ | |
838 | "R_MIPS_SHIFT5", /* name */ | |
77bfe34f | 839 | false, /* partial_inplace */ |
252b5132 RH |
840 | 0, /* src_mask */ |
841 | 0x000007c0, /* dst_mask */ | |
842 | false), /* pcrel_offset */ | |
843 | ||
844 | /* A 6 bit shift field. */ | |
845 | /* FIXME: This is not handled correctly; a special function is | |
846 | needed to put the most significant bit in the right place. */ | |
847 | HOWTO (R_MIPS_SHIFT6, /* type */ | |
848 | 0, /* rightshift */ | |
849 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
850 | 6, /* bitsize */ | |
851 | false, /* pc_relative */ | |
852 | 6, /* bitpos */ | |
853 | complain_overflow_bitfield, /* complain_on_overflow */ | |
854 | bfd_elf_generic_reloc, /* special_function */ | |
855 | "R_MIPS_SHIFT6", /* name */ | |
77bfe34f | 856 | false, /* partial_inplace */ |
252b5132 RH |
857 | 0, /* src_mask */ |
858 | 0x000007c4, /* dst_mask */ | |
859 | false), /* pcrel_offset */ | |
860 | ||
861 | /* 64 bit relocation. */ | |
862 | HOWTO (R_MIPS_64, /* type */ | |
863 | 0, /* rightshift */ | |
864 | 4, /* size (0 = byte, 1 = short, 2 = long) */ | |
865 | 64, /* bitsize */ | |
866 | false, /* pc_relative */ | |
867 | 0, /* bitpos */ | |
77bfe34f | 868 | complain_overflow_dont, /* complain_on_overflow */ |
252b5132 RH |
869 | bfd_elf_generic_reloc, /* special_function */ |
870 | "R_MIPS_64", /* name */ | |
77bfe34f | 871 | false, /* partial_inplace */ |
252b5132 RH |
872 | 0, /* src_mask */ |
873 | MINUS_ONE, /* dst_mask */ | |
874 | false), /* pcrel_offset */ | |
875 | ||
876 | /* Displacement in the global offset table. */ | |
877 | /* FIXME: Not handled correctly. */ | |
878 | HOWTO (R_MIPS_GOT_DISP, /* type */ | |
879 | 0, /* rightshift */ | |
880 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
881 | 16, /* bitsize */ | |
882 | false, /* pc_relative */ | |
883 | 0, /* bitpos */ | |
77bfe34f | 884 | complain_overflow_signed, /* complain_on_overflow */ |
252b5132 RH |
885 | bfd_elf_generic_reloc, /* special_function */ |
886 | "R_MIPS_GOT_DISP", /* name */ | |
77bfe34f | 887 | false, /* partial_inplace */ |
252b5132 RH |
888 | 0, /* src_mask */ |
889 | 0x0000ffff, /* dst_mask */ | |
890 | false), /* pcrel_offset */ | |
891 | ||
892 | /* Displacement to page pointer in the global offset table. */ | |
893 | /* FIXME: Not handled correctly. */ | |
894 | HOWTO (R_MIPS_GOT_PAGE, /* type */ | |
895 | 0, /* rightshift */ | |
896 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
897 | 16, /* bitsize */ | |
898 | false, /* pc_relative */ | |
899 | 0, /* bitpos */ | |
77bfe34f | 900 | complain_overflow_signed, /* complain_on_overflow */ |
252b5132 RH |
901 | bfd_elf_generic_reloc, /* special_function */ |
902 | "R_MIPS_GOT_PAGE", /* name */ | |
77bfe34f | 903 | false, /* partial_inplace */ |
252b5132 RH |
904 | 0, /* src_mask */ |
905 | 0x0000ffff, /* dst_mask */ | |
906 | false), /* pcrel_offset */ | |
907 | ||
908 | /* Offset from page pointer in the global offset table. */ | |
909 | /* FIXME: Not handled correctly. */ | |
910 | HOWTO (R_MIPS_GOT_OFST, /* type */ | |
911 | 0, /* rightshift */ | |
912 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
913 | 16, /* bitsize */ | |
914 | false, /* pc_relative */ | |
915 | 0, /* bitpos */ | |
77bfe34f | 916 | complain_overflow_signed, /* complain_on_overflow */ |
252b5132 RH |
917 | bfd_elf_generic_reloc, /* special_function */ |
918 | "R_MIPS_GOT_OFST", /* name */ | |
77bfe34f | 919 | false, /* partial_inplace */ |
252b5132 RH |
920 | 0, /* src_mask */ |
921 | 0x0000ffff, /* dst_mask */ | |
922 | false), /* pcrel_offset */ | |
923 | ||
924 | /* High 16 bits of displacement in global offset table. */ | |
925 | /* FIXME: Not handled correctly. */ | |
926 | HOWTO (R_MIPS_GOT_HI16, /* type */ | |
927 | 0, /* rightshift */ | |
928 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
929 | 16, /* bitsize */ | |
930 | false, /* pc_relative */ | |
931 | 0, /* bitpos */ | |
932 | complain_overflow_dont, /* complain_on_overflow */ | |
933 | bfd_elf_generic_reloc, /* special_function */ | |
934 | "R_MIPS_GOT_HI16", /* name */ | |
77bfe34f | 935 | false, /* partial_inplace */ |
252b5132 RH |
936 | 0, /* src_mask */ |
937 | 0x0000ffff, /* dst_mask */ | |
938 | false), /* pcrel_offset */ | |
939 | ||
940 | /* Low 16 bits of displacement in global offset table. */ | |
941 | /* FIXME: Not handled correctly. */ | |
942 | HOWTO (R_MIPS_GOT_LO16, /* type */ | |
943 | 0, /* rightshift */ | |
944 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
945 | 16, /* bitsize */ | |
946 | false, /* pc_relative */ | |
947 | 0, /* bitpos */ | |
948 | complain_overflow_dont, /* complain_on_overflow */ | |
949 | bfd_elf_generic_reloc, /* special_function */ | |
950 | "R_MIPS_GOT_LO16", /* name */ | |
77bfe34f | 951 | false, /* partial_inplace */ |
252b5132 RH |
952 | 0, /* src_mask */ |
953 | 0x0000ffff, /* dst_mask */ | |
954 | false), /* pcrel_offset */ | |
955 | ||
956 | /* 64 bit substraction. */ | |
957 | /* FIXME: Not handled correctly. */ | |
958 | HOWTO (R_MIPS_SUB, /* type */ | |
959 | 0, /* rightshift */ | |
960 | 4, /* size (0 = byte, 1 = short, 2 = long) */ | |
961 | 64, /* bitsize */ | |
962 | false, /* pc_relative */ | |
963 | 0, /* bitpos */ | |
77bfe34f | 964 | complain_overflow_dont, /* complain_on_overflow */ |
252b5132 RH |
965 | bfd_elf_generic_reloc, /* special_function */ |
966 | "R_MIPS_SUB", /* name */ | |
77bfe34f | 967 | false, /* partial_inplace */ |
252b5132 RH |
968 | 0, /* src_mask */ |
969 | MINUS_ONE, /* dst_mask */ | |
970 | false), /* pcrel_offset */ | |
971 | ||
972 | /* Insert the addend as an instruction. */ | |
973 | /* FIXME: Not handled correctly. */ | |
974 | HOWTO (R_MIPS_INSERT_A, /* type */ | |
975 | 0, /* rightshift */ | |
77bfe34f TS |
976 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
977 | 32, /* bitsize */ | |
252b5132 RH |
978 | false, /* pc_relative */ |
979 | 0, /* bitpos */ | |
980 | complain_overflow_dont, /* complain_on_overflow */ | |
981 | bfd_elf_generic_reloc, /* special_function */ | |
982 | "R_MIPS_INSERT_A", /* name */ | |
983 | false, /* partial_inplace */ | |
984 | 0, /* src_mask */ | |
77bfe34f | 985 | 0xffffffff, /* dst_mask */ |
252b5132 RH |
986 | false), /* pcrel_offset */ |
987 | ||
988 | /* Insert the addend as an instruction, and change all relocations | |
989 | to refer to the old instruction at the address. */ | |
990 | /* FIXME: Not handled correctly. */ | |
991 | HOWTO (R_MIPS_INSERT_B, /* type */ | |
992 | 0, /* rightshift */ | |
77bfe34f TS |
993 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
994 | 32, /* bitsize */ | |
252b5132 RH |
995 | false, /* pc_relative */ |
996 | 0, /* bitpos */ | |
997 | complain_overflow_dont, /* complain_on_overflow */ | |
998 | bfd_elf_generic_reloc, /* special_function */ | |
999 | "R_MIPS_INSERT_B", /* name */ | |
1000 | false, /* partial_inplace */ | |
1001 | 0, /* src_mask */ | |
77bfe34f | 1002 | 0xffffffff, /* dst_mask */ |
252b5132 RH |
1003 | false), /* pcrel_offset */ |
1004 | ||
1005 | /* Delete a 32 bit instruction. */ | |
1006 | /* FIXME: Not handled correctly. */ | |
1007 | HOWTO (R_MIPS_DELETE, /* type */ | |
1008 | 0, /* rightshift */ | |
77bfe34f TS |
1009 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
1010 | 32, /* bitsize */ | |
252b5132 RH |
1011 | false, /* pc_relative */ |
1012 | 0, /* bitpos */ | |
1013 | complain_overflow_dont, /* complain_on_overflow */ | |
1014 | bfd_elf_generic_reloc, /* special_function */ | |
1015 | "R_MIPS_DELETE", /* name */ | |
1016 | false, /* partial_inplace */ | |
1017 | 0, /* src_mask */ | |
77bfe34f | 1018 | 0xffffffff, /* dst_mask */ |
252b5132 RH |
1019 | false), /* pcrel_offset */ |
1020 | ||
1021 | /* Get the higher value of a 64 bit addend. */ | |
252b5132 RH |
1022 | HOWTO (R_MIPS_HIGHER, /* type */ |
1023 | 0, /* rightshift */ | |
1024 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1025 | 16, /* bitsize */ | |
1026 | false, /* pc_relative */ | |
1027 | 0, /* bitpos */ | |
1028 | complain_overflow_dont, /* complain_on_overflow */ | |
77bfe34f | 1029 | bfd_elf_generic_reloc, /* special_function */ |
252b5132 | 1030 | "R_MIPS_HIGHER", /* name */ |
77bfe34f | 1031 | false, /* partial_inplace */ |
252b5132 RH |
1032 | 0, /* src_mask */ |
1033 | 0xffff, /* dst_mask */ | |
1034 | false), /* pcrel_offset */ | |
1035 | ||
1036 | /* Get the highest value of a 64 bit addend. */ | |
252b5132 RH |
1037 | HOWTO (R_MIPS_HIGHEST, /* type */ |
1038 | 0, /* rightshift */ | |
1039 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1040 | 16, /* bitsize */ | |
1041 | false, /* pc_relative */ | |
1042 | 0, /* bitpos */ | |
1043 | complain_overflow_dont, /* complain_on_overflow */ | |
77bfe34f | 1044 | bfd_elf_generic_reloc, /* special_function */ |
252b5132 | 1045 | "R_MIPS_HIGHEST", /* name */ |
77bfe34f | 1046 | false, /* partial_inplace */ |
252b5132 RH |
1047 | 0, /* src_mask */ |
1048 | 0xffff, /* dst_mask */ | |
1049 | false), /* pcrel_offset */ | |
1050 | ||
1051 | /* High 16 bits of displacement in global offset table. */ | |
1052 | /* FIXME: Not handled correctly. */ | |
1053 | HOWTO (R_MIPS_CALL_HI16, /* type */ | |
1054 | 0, /* rightshift */ | |
1055 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1056 | 16, /* bitsize */ | |
1057 | false, /* pc_relative */ | |
1058 | 0, /* bitpos */ | |
1059 | complain_overflow_dont, /* complain_on_overflow */ | |
1060 | bfd_elf_generic_reloc, /* special_function */ | |
1061 | "R_MIPS_CALL_HI16", /* name */ | |
77bfe34f | 1062 | false, /* partial_inplace */ |
252b5132 | 1063 | 0, /* src_mask */ |
77bfe34f | 1064 | 0xffff, /* dst_mask */ |
252b5132 RH |
1065 | false), /* pcrel_offset */ |
1066 | ||
1067 | /* Low 16 bits of displacement in global offset table. */ | |
1068 | /* FIXME: Not handled correctly. */ | |
1069 | HOWTO (R_MIPS_CALL_LO16, /* type */ | |
1070 | 0, /* rightshift */ | |
1071 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1072 | 16, /* bitsize */ | |
1073 | false, /* pc_relative */ | |
1074 | 0, /* bitpos */ | |
1075 | complain_overflow_dont, /* complain_on_overflow */ | |
1076 | bfd_elf_generic_reloc, /* special_function */ | |
1077 | "R_MIPS_CALL_LO16", /* name */ | |
77bfe34f | 1078 | false, /* partial_inplace */ |
252b5132 | 1079 | 0, /* src_mask */ |
77bfe34f | 1080 | 0xffff, /* dst_mask */ |
252b5132 RH |
1081 | false), /* pcrel_offset */ |
1082 | ||
1083 | /* I'm not sure what the remaining relocs are, but they are defined | |
1084 | on Irix 6. */ | |
1085 | ||
1086 | HOWTO (R_MIPS_SCN_DISP, /* type */ | |
1087 | 0, /* rightshift */ | |
77bfe34f TS |
1088 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
1089 | 32, /* bitsize */ | |
252b5132 RH |
1090 | false, /* pc_relative */ |
1091 | 0, /* bitpos */ | |
1092 | complain_overflow_dont, /* complain_on_overflow */ | |
1093 | bfd_elf_generic_reloc, /* special_function */ | |
1094 | "R_MIPS_SCN_DISP", /* name */ | |
1095 | false, /* partial_inplace */ | |
1096 | 0, /* src_mask */ | |
77bfe34f | 1097 | 0xffffffff, /* dst_mask */ |
252b5132 RH |
1098 | false), /* pcrel_offset */ |
1099 | ||
1100 | HOWTO (R_MIPS_REL16, /* type */ | |
1101 | 0, /* rightshift */ | |
77bfe34f TS |
1102 | 1, /* size (0 = byte, 1 = short, 2 = long) */ |
1103 | 16, /* bitsize */ | |
252b5132 RH |
1104 | false, /* pc_relative */ |
1105 | 0, /* bitpos */ | |
77bfe34f | 1106 | complain_overflow_signed, /* complain_on_overflow */ |
252b5132 RH |
1107 | bfd_elf_generic_reloc, /* special_function */ |
1108 | "R_MIPS_REL16", /* name */ | |
1109 | false, /* partial_inplace */ | |
1110 | 0, /* src_mask */ | |
77bfe34f | 1111 | 0xffff, /* dst_mask */ |
252b5132 RH |
1112 | false), /* pcrel_offset */ |
1113 | ||
77bfe34f TS |
1114 | /* These two are obsolete. */ |
1115 | EMPTY_HOWTO (R_MIPS_ADD_IMMEDIATE), | |
1116 | EMPTY_HOWTO (R_MIPS_PJUMP), | |
252b5132 RH |
1117 | |
1118 | HOWTO (R_MIPS_RELGOT, /* type */ | |
1119 | 0, /* rightshift */ | |
77bfe34f TS |
1120 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
1121 | 32, /* bitsize */ | |
252b5132 RH |
1122 | false, /* pc_relative */ |
1123 | 0, /* bitpos */ | |
1124 | complain_overflow_dont, /* complain_on_overflow */ | |
1125 | bfd_elf_generic_reloc, /* special_function */ | |
1126 | "R_MIPS_RELGOT", /* name */ | |
1127 | false, /* partial_inplace */ | |
1128 | 0, /* src_mask */ | |
77bfe34f | 1129 | 0xffffffff, /* dst_mask */ |
d2905643 MM |
1130 | false), /* pcrel_offset */ |
1131 | ||
fe8bc63d | 1132 | /* Protected jump conversion. This is an optimization hint. No |
d2905643 MM |
1133 | relocation is required for correctness. */ |
1134 | HOWTO (R_MIPS_JALR, /* type */ | |
1135 | 0, /* rightshift */ | |
77bfe34f | 1136 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
d2905643 MM |
1137 | 0, /* bitsize */ |
1138 | false, /* pc_relative */ | |
1139 | 0, /* bitpos */ | |
1140 | complain_overflow_dont, /* complain_on_overflow */ | |
1141 | bfd_elf_generic_reloc, /* special_function */ | |
1142 | "R_MIPS_JALR", /* name */ | |
1143 | false, /* partial_inplace */ | |
77bfe34f TS |
1144 | 0, /* src_mask */ |
1145 | 0, /* dst_mask */ | |
d2905643 | 1146 | false), /* pcrel_offset */ |
252b5132 RH |
1147 | }; |
1148 | ||
1149 | /* Swap in a MIPS 64-bit Rel reloc. */ | |
1150 | ||
1151 | static void | |
1152 | mips_elf64_swap_reloc_in (abfd, src, dst) | |
1153 | bfd *abfd; | |
1154 | const Elf64_Mips_External_Rel *src; | |
1155 | Elf64_Mips_Internal_Rel *dst; | |
1156 | { | |
dc810e39 AM |
1157 | dst->r_offset = H_GET_64 (abfd, src->r_offset); |
1158 | dst->r_sym = H_GET_32 (abfd, src->r_sym); | |
1159 | dst->r_ssym = H_GET_8 (abfd, src->r_ssym); | |
1160 | dst->r_type3 = H_GET_8 (abfd, src->r_type3); | |
1161 | dst->r_type2 = H_GET_8 (abfd, src->r_type2); | |
1162 | dst->r_type = H_GET_8 (abfd, src->r_type); | |
252b5132 RH |
1163 | } |
1164 | ||
1165 | /* Swap in a MIPS 64-bit Rela reloc. */ | |
1166 | ||
1167 | static void | |
1168 | mips_elf64_swap_reloca_in (abfd, src, dst) | |
1169 | bfd *abfd; | |
1170 | const Elf64_Mips_External_Rela *src; | |
1171 | Elf64_Mips_Internal_Rela *dst; | |
1172 | { | |
dc810e39 AM |
1173 | dst->r_offset = H_GET_64 (abfd, src->r_offset); |
1174 | dst->r_sym = H_GET_32 (abfd, src->r_sym); | |
1175 | dst->r_ssym = H_GET_8 (abfd, src->r_ssym); | |
1176 | dst->r_type3 = H_GET_8 (abfd, src->r_type3); | |
1177 | dst->r_type2 = H_GET_8 (abfd, src->r_type2); | |
1178 | dst->r_type = H_GET_8 (abfd, src->r_type); | |
1179 | dst->r_addend = H_GET_S64 (abfd, src->r_addend); | |
252b5132 RH |
1180 | } |
1181 | ||
252b5132 RH |
1182 | /* Swap out a MIPS 64-bit Rel reloc. */ |
1183 | ||
1184 | static void | |
1185 | mips_elf64_swap_reloc_out (abfd, src, dst) | |
1186 | bfd *abfd; | |
1187 | const Elf64_Mips_Internal_Rel *src; | |
1188 | Elf64_Mips_External_Rel *dst; | |
1189 | { | |
dc810e39 AM |
1190 | H_PUT_64 (abfd, src->r_offset, dst->r_offset); |
1191 | H_PUT_32 (abfd, src->r_sym, dst->r_sym); | |
1192 | H_PUT_8 (abfd, src->r_ssym, dst->r_ssym); | |
1193 | H_PUT_8 (abfd, src->r_type3, dst->r_type3); | |
1194 | H_PUT_8 (abfd, src->r_type2, dst->r_type2); | |
1195 | H_PUT_8 (abfd, src->r_type, dst->r_type); | |
252b5132 RH |
1196 | } |
1197 | ||
252b5132 RH |
1198 | /* Swap out a MIPS 64-bit Rela reloc. */ |
1199 | ||
1200 | static void | |
1201 | mips_elf64_swap_reloca_out (abfd, src, dst) | |
1202 | bfd *abfd; | |
1203 | const Elf64_Mips_Internal_Rela *src; | |
1204 | Elf64_Mips_External_Rela *dst; | |
1205 | { | |
dc810e39 AM |
1206 | H_PUT_64 (abfd, src->r_offset, dst->r_offset); |
1207 | H_PUT_32 (abfd, src->r_sym, dst->r_sym); | |
1208 | H_PUT_8 (abfd, src->r_ssym, dst->r_ssym); | |
1209 | H_PUT_8 (abfd, src->r_type3, dst->r_type3); | |
1210 | H_PUT_8 (abfd, src->r_type2, dst->r_type2); | |
1211 | H_PUT_8 (abfd, src->r_type, dst->r_type); | |
1212 | H_PUT_64 (abfd, src->r_addend, dst->r_addend); | |
252b5132 RH |
1213 | } |
1214 | ||
c7ac6ff8 MM |
1215 | /* Swap in a MIPS 64-bit Rel reloc. */ |
1216 | ||
1217 | static void | |
1218 | mips_elf64_be_swap_reloc_in (abfd, src, dst) | |
1219 | bfd *abfd; | |
1220 | const bfd_byte *src; | |
1221 | Elf_Internal_Rel *dst; | |
1222 | { | |
1223 | Elf64_Mips_Internal_Rel mirel; | |
1224 | ||
fe8bc63d | 1225 | mips_elf64_swap_reloc_in (abfd, |
c7ac6ff8 MM |
1226 | (const Elf64_Mips_External_Rel *) src, |
1227 | &mirel); | |
1228 | ||
1229 | dst[0].r_offset = mirel.r_offset; | |
1230 | dst[0].r_info = ELF32_R_INFO (mirel.r_sym, mirel.r_type); | |
1231 | dst[1].r_offset = mirel.r_offset; | |
1232 | dst[1].r_info = ELF32_R_INFO (mirel.r_ssym, mirel.r_type2); | |
1233 | dst[2].r_offset = mirel.r_offset; | |
1234 | dst[2].r_info = ELF32_R_INFO (STN_UNDEF, mirel.r_type3); | |
1235 | } | |
1236 | ||
1237 | /* Swap in a MIPS 64-bit Rela reloc. */ | |
1238 | ||
1239 | static void | |
1240 | mips_elf64_be_swap_reloca_in (abfd, src, dst) | |
1241 | bfd *abfd; | |
1242 | const bfd_byte *src; | |
1243 | Elf_Internal_Rela *dst; | |
1244 | { | |
1245 | Elf64_Mips_Internal_Rela mirela; | |
1246 | ||
fe8bc63d | 1247 | mips_elf64_swap_reloca_in (abfd, |
c7ac6ff8 MM |
1248 | (const Elf64_Mips_External_Rela *) src, |
1249 | &mirela); | |
1250 | ||
1251 | dst[0].r_offset = mirela.r_offset; | |
1252 | dst[0].r_info = ELF32_R_INFO (mirela.r_sym, mirela.r_type); | |
1253 | dst[0].r_addend = mirela.r_addend; | |
1254 | dst[1].r_offset = mirela.r_offset; | |
1255 | dst[1].r_info = ELF32_R_INFO (mirela.r_ssym, mirela.r_type2); | |
1256 | dst[1].r_addend = 0; | |
1257 | dst[2].r_offset = mirela.r_offset; | |
1258 | dst[2].r_info = ELF32_R_INFO (STN_UNDEF, mirela.r_type3); | |
1259 | dst[2].r_addend = 0; | |
1260 | } | |
1261 | ||
1262 | /* Swap out a MIPS 64-bit Rel reloc. */ | |
1263 | ||
1264 | static void | |
1265 | mips_elf64_be_swap_reloc_out (abfd, src, dst) | |
1266 | bfd *abfd; | |
1267 | const Elf_Internal_Rel *src; | |
1268 | bfd_byte *dst; | |
1269 | { | |
1270 | Elf64_Mips_Internal_Rel mirel; | |
1271 | ||
1272 | mirel.r_offset = src->r_offset; | |
1273 | mirel.r_type = ELF32_R_TYPE (src->r_info); | |
1274 | mirel.r_sym = ELF32_R_SYM (src->r_info); | |
1275 | mirel.r_type2 = R_MIPS_NONE; | |
1276 | mirel.r_ssym = STN_UNDEF; | |
1277 | mirel.r_type3 = R_MIPS_NONE; | |
1278 | ||
fe8bc63d | 1279 | mips_elf64_swap_reloc_out (abfd, &mirel, |
c7ac6ff8 MM |
1280 | (Elf64_Mips_External_Rel *) dst); |
1281 | } | |
1282 | ||
1283 | /* Swap out a MIPS 64-bit Rela reloc. */ | |
1284 | ||
1285 | static void | |
1286 | mips_elf64_be_swap_reloca_out (abfd, src, dst) | |
1287 | bfd *abfd; | |
1288 | const Elf_Internal_Rela *src; | |
1289 | bfd_byte *dst; | |
1290 | { | |
1291 | Elf64_Mips_Internal_Rela mirela; | |
1292 | ||
1293 | mirela.r_offset = src->r_offset; | |
1294 | mirela.r_type = ELF32_R_TYPE (src->r_info); | |
1295 | mirela.r_addend = src->r_addend; | |
1296 | mirela.r_sym = ELF32_R_SYM (src->r_info); | |
1297 | mirela.r_type2 = R_MIPS_NONE; | |
1298 | mirela.r_ssym = STN_UNDEF; | |
1299 | mirela.r_type3 = R_MIPS_NONE; | |
1300 | ||
fe8bc63d | 1301 | mips_elf64_swap_reloca_out (abfd, &mirela, |
c7ac6ff8 MM |
1302 | (Elf64_Mips_External_Rela *) dst); |
1303 | } | |
1304 | ||
252b5132 RH |
1305 | /* A mapping from BFD reloc types to MIPS ELF reloc types. */ |
1306 | ||
1307 | struct elf_reloc_map | |
1308 | { | |
1309 | bfd_reloc_code_real_type bfd_reloc_val; | |
1310 | enum elf_mips_reloc_type elf_reloc_val; | |
1311 | }; | |
1312 | ||
dc810e39 | 1313 | static const struct elf_reloc_map mips_reloc_map[] = |
252b5132 RH |
1314 | { |
1315 | { BFD_RELOC_NONE, R_MIPS_NONE, }, | |
1316 | { BFD_RELOC_16, R_MIPS_16 }, | |
1317 | { BFD_RELOC_32, R_MIPS_32 }, | |
1318 | { BFD_RELOC_64, R_MIPS_64 }, | |
1319 | { BFD_RELOC_CTOR, R_MIPS_64 }, | |
1320 | { BFD_RELOC_32_PCREL, R_MIPS_REL32 }, | |
1321 | { BFD_RELOC_MIPS_JMP, R_MIPS_26 }, | |
1322 | { BFD_RELOC_HI16_S, R_MIPS_HI16 }, | |
1323 | { BFD_RELOC_LO16, R_MIPS_LO16 }, | |
1324 | { BFD_RELOC_MIPS_GPREL, R_MIPS_GPREL16 }, | |
1325 | { BFD_RELOC_MIPS_LITERAL, R_MIPS_LITERAL }, | |
1326 | { BFD_RELOC_MIPS_GOT16, R_MIPS_GOT16 }, | |
1327 | { BFD_RELOC_16_PCREL, R_MIPS_PC16 }, | |
1328 | { BFD_RELOC_MIPS_CALL16, R_MIPS_CALL16 }, | |
1329 | { BFD_RELOC_MIPS_GPREL32, R_MIPS_GPREL32 }, | |
1330 | { BFD_RELOC_MIPS_GOT_HI16, R_MIPS_GOT_HI16 }, | |
1331 | { BFD_RELOC_MIPS_GOT_LO16, R_MIPS_GOT_LO16 }, | |
1332 | { BFD_RELOC_MIPS_CALL_HI16, R_MIPS_CALL_HI16 }, | |
3f830999 MM |
1333 | { BFD_RELOC_MIPS_CALL_LO16, R_MIPS_CALL_LO16 }, |
1334 | { BFD_RELOC_MIPS_SUB, R_MIPS_SUB }, | |
1335 | { BFD_RELOC_MIPS_GOT_PAGE, R_MIPS_GOT_PAGE }, | |
1336 | { BFD_RELOC_MIPS_GOT_OFST, R_MIPS_GOT_OFST }, | |
1337 | { BFD_RELOC_MIPS_GOT_DISP, R_MIPS_GOT_DISP } | |
252b5132 RH |
1338 | }; |
1339 | ||
1340 | /* Given a BFD reloc type, return a howto structure. */ | |
1341 | ||
1342 | static reloc_howto_type * | |
1343 | mips_elf64_reloc_type_lookup (abfd, code) | |
56fc028e | 1344 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 RH |
1345 | bfd_reloc_code_real_type code; |
1346 | { | |
1347 | unsigned int i; | |
1348 | ||
1349 | for (i = 0; i < sizeof (mips_reloc_map) / sizeof (struct elf_reloc_map); i++) | |
1350 | { | |
1351 | if (mips_reloc_map[i].bfd_reloc_val == code) | |
1352 | { | |
1353 | int v; | |
1354 | ||
1355 | v = (int) mips_reloc_map[i].elf_reloc_val; | |
1356 | return &mips_elf64_howto_table_rel[v]; | |
1357 | } | |
1358 | } | |
1359 | ||
1360 | return NULL; | |
1361 | } | |
1362 | ||
1363 | /* Since each entry in an SHT_REL or SHT_RELA section can represent up | |
1364 | to three relocs, we must tell the user to allocate more space. */ | |
1365 | ||
1366 | static long | |
1367 | mips_elf64_get_reloc_upper_bound (abfd, sec) | |
56fc028e | 1368 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 RH |
1369 | asection *sec; |
1370 | { | |
1371 | return (sec->reloc_count * 3 + 1) * sizeof (arelent *); | |
1372 | } | |
1373 | ||
1374 | /* Read the relocations from one reloc section. */ | |
1375 | ||
1376 | static boolean | |
1377 | mips_elf64_slurp_one_reloc_table (abfd, asect, symbols, rel_hdr) | |
1378 | bfd *abfd; | |
1379 | asection *asect; | |
1380 | asymbol **symbols; | |
1381 | const Elf_Internal_Shdr *rel_hdr; | |
1382 | { | |
1383 | PTR allocated = NULL; | |
1384 | bfd_byte *native_relocs; | |
1385 | arelent *relents; | |
1386 | arelent *relent; | |
1387 | unsigned int count; | |
1388 | unsigned int i; | |
1389 | int entsize; | |
1390 | reloc_howto_type *howto_table; | |
1391 | ||
1392 | allocated = (PTR) bfd_malloc (rel_hdr->sh_size); | |
1393 | if (allocated == NULL) | |
dc810e39 | 1394 | return false; |
252b5132 RH |
1395 | |
1396 | if (bfd_seek (abfd, rel_hdr->sh_offset, SEEK_SET) != 0 | |
dc810e39 | 1397 | || (bfd_bread (allocated, rel_hdr->sh_size, abfd) != rel_hdr->sh_size)) |
252b5132 RH |
1398 | goto error_return; |
1399 | ||
1400 | native_relocs = (bfd_byte *) allocated; | |
1401 | ||
1402 | relents = asect->relocation + asect->reloc_count; | |
1403 | ||
1404 | entsize = rel_hdr->sh_entsize; | |
1405 | BFD_ASSERT (entsize == sizeof (Elf64_Mips_External_Rel) | |
1406 | || entsize == sizeof (Elf64_Mips_External_Rela)); | |
1407 | ||
1408 | count = rel_hdr->sh_size / entsize; | |
1409 | ||
1410 | if (entsize == sizeof (Elf64_Mips_External_Rel)) | |
1411 | howto_table = mips_elf64_howto_table_rel; | |
1412 | else | |
1413 | howto_table = mips_elf64_howto_table_rela; | |
1414 | ||
1415 | relent = relents; | |
1416 | for (i = 0; i < count; i++, native_relocs += entsize) | |
1417 | { | |
1418 | Elf64_Mips_Internal_Rela rela; | |
1419 | boolean used_sym, used_ssym; | |
1420 | int ir; | |
1421 | ||
1422 | if (entsize == sizeof (Elf64_Mips_External_Rela)) | |
1423 | mips_elf64_swap_reloca_in (abfd, | |
1424 | (Elf64_Mips_External_Rela *) native_relocs, | |
1425 | &rela); | |
1426 | else | |
1427 | { | |
1428 | Elf64_Mips_Internal_Rel rel; | |
1429 | ||
1430 | mips_elf64_swap_reloc_in (abfd, | |
1431 | (Elf64_Mips_External_Rel *) native_relocs, | |
1432 | &rel); | |
1433 | rela.r_offset = rel.r_offset; | |
1434 | rela.r_sym = rel.r_sym; | |
1435 | rela.r_ssym = rel.r_ssym; | |
1436 | rela.r_type3 = rel.r_type3; | |
1437 | rela.r_type2 = rel.r_type2; | |
1438 | rela.r_type = rel.r_type; | |
1439 | rela.r_addend = 0; | |
1440 | } | |
1441 | ||
1442 | /* Each entry represents up to three actual relocations. */ | |
1443 | ||
1444 | used_sym = false; | |
1445 | used_ssym = false; | |
1446 | for (ir = 0; ir < 3; ir++) | |
1447 | { | |
1448 | enum elf_mips_reloc_type type; | |
1449 | ||
1450 | switch (ir) | |
1451 | { | |
1452 | default: | |
1453 | abort (); | |
1454 | case 0: | |
1455 | type = (enum elf_mips_reloc_type) rela.r_type; | |
1456 | break; | |
1457 | case 1: | |
1458 | type = (enum elf_mips_reloc_type) rela.r_type2; | |
1459 | break; | |
1460 | case 2: | |
1461 | type = (enum elf_mips_reloc_type) rela.r_type3; | |
1462 | break; | |
1463 | } | |
1464 | ||
1465 | if (type == R_MIPS_NONE) | |
1466 | { | |
1467 | /* There are no more relocations in this entry. If this | |
1468 | is the first entry, we need to generate a dummy | |
1469 | relocation so that the generic linker knows that | |
1470 | there has been a break in the sequence of relocations | |
1471 | applying to a particular address. */ | |
1472 | if (ir == 0) | |
1473 | { | |
1474 | relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; | |
1475 | if ((abfd->flags & (EXEC_P | DYNAMIC)) == 0) | |
1476 | relent->address = rela.r_offset; | |
1477 | else | |
1478 | relent->address = rela.r_offset - asect->vma; | |
1479 | relent->addend = 0; | |
1480 | relent->howto = &howto_table[(int) R_MIPS_NONE]; | |
1481 | ++relent; | |
1482 | } | |
1483 | break; | |
1484 | } | |
1485 | ||
1486 | /* Some types require symbols, whereas some do not. */ | |
1487 | switch (type) | |
1488 | { | |
1489 | case R_MIPS_NONE: | |
1490 | case R_MIPS_LITERAL: | |
1491 | case R_MIPS_INSERT_A: | |
1492 | case R_MIPS_INSERT_B: | |
1493 | case R_MIPS_DELETE: | |
1494 | relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; | |
1495 | break; | |
1496 | ||
1497 | default: | |
1498 | if (! used_sym) | |
1499 | { | |
1500 | if (rela.r_sym == 0) | |
1501 | relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; | |
1502 | else | |
1503 | { | |
1504 | asymbol **ps, *s; | |
1505 | ||
1506 | ps = symbols + rela.r_sym - 1; | |
1507 | s = *ps; | |
1508 | if ((s->flags & BSF_SECTION_SYM) == 0) | |
1509 | relent->sym_ptr_ptr = ps; | |
1510 | else | |
1511 | relent->sym_ptr_ptr = s->section->symbol_ptr_ptr; | |
1512 | } | |
1513 | ||
1514 | used_sym = true; | |
1515 | } | |
1516 | else if (! used_ssym) | |
1517 | { | |
1518 | switch (rela.r_ssym) | |
1519 | { | |
1520 | case RSS_UNDEF: | |
1521 | relent->sym_ptr_ptr = | |
1522 | bfd_abs_section_ptr->symbol_ptr_ptr; | |
1523 | break; | |
1524 | ||
1525 | case RSS_GP: | |
1526 | case RSS_GP0: | |
1527 | case RSS_LOC: | |
1528 | /* FIXME: I think these need to be handled using | |
1529 | special howto structures. */ | |
1530 | BFD_ASSERT (0); | |
1531 | break; | |
1532 | ||
1533 | default: | |
1534 | BFD_ASSERT (0); | |
1535 | break; | |
1536 | } | |
1537 | ||
1538 | used_ssym = true; | |
1539 | } | |
1540 | else | |
1541 | relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; | |
1542 | ||
1543 | break; | |
1544 | } | |
1545 | ||
1546 | /* The address of an ELF reloc is section relative for an | |
1547 | object file, and absolute for an executable file or | |
1548 | shared library. The address of a BFD reloc is always | |
1549 | section relative. */ | |
1550 | if ((abfd->flags & (EXEC_P | DYNAMIC)) == 0) | |
1551 | relent->address = rela.r_offset; | |
1552 | else | |
1553 | relent->address = rela.r_offset - asect->vma; | |
1554 | ||
1555 | relent->addend = rela.r_addend; | |
1556 | ||
1557 | relent->howto = &howto_table[(int) type]; | |
1558 | ||
1559 | ++relent; | |
1560 | } | |
1561 | } | |
1562 | ||
1563 | asect->reloc_count += relent - relents; | |
1564 | ||
1565 | if (allocated != NULL) | |
1566 | free (allocated); | |
1567 | ||
1568 | return true; | |
1569 | ||
1570 | error_return: | |
1571 | if (allocated != NULL) | |
1572 | free (allocated); | |
1573 | return false; | |
1574 | } | |
1575 | ||
1576 | /* Read the relocations. On Irix 6, there can be two reloc sections | |
1577 | associated with a single data section. */ | |
1578 | ||
1579 | static boolean | |
1580 | mips_elf64_slurp_reloc_table (abfd, asect, symbols, dynamic) | |
1581 | bfd *abfd; | |
1582 | asection *asect; | |
1583 | asymbol **symbols; | |
1584 | boolean dynamic; | |
1585 | { | |
dc810e39 | 1586 | bfd_size_type amt; |
252b5132 RH |
1587 | struct bfd_elf_section_data * const d = elf_section_data (asect); |
1588 | ||
1589 | if (dynamic) | |
1590 | { | |
1591 | bfd_set_error (bfd_error_invalid_operation); | |
1592 | return false; | |
1593 | } | |
1594 | ||
1595 | if (asect->relocation != NULL | |
1596 | || (asect->flags & SEC_RELOC) == 0 | |
1597 | || asect->reloc_count == 0) | |
1598 | return true; | |
1599 | ||
1600 | /* Allocate space for 3 arelent structures for each Rel structure. */ | |
dc810e39 AM |
1601 | amt = asect->reloc_count; |
1602 | amt *= 3 * sizeof (arelent); | |
1603 | asect->relocation = (arelent *) bfd_alloc (abfd, amt); | |
252b5132 RH |
1604 | if (asect->relocation == NULL) |
1605 | return false; | |
1606 | ||
1607 | /* The slurp_one_reloc_table routine increments reloc_count. */ | |
1608 | asect->reloc_count = 0; | |
1609 | ||
1610 | if (! mips_elf64_slurp_one_reloc_table (abfd, asect, symbols, &d->rel_hdr)) | |
1611 | return false; | |
1612 | if (d->rel_hdr2 != NULL) | |
1613 | { | |
1614 | if (! mips_elf64_slurp_one_reloc_table (abfd, asect, symbols, | |
1615 | d->rel_hdr2)) | |
1616 | return false; | |
1617 | } | |
1618 | ||
1619 | return true; | |
1620 | } | |
1621 | ||
1622 | /* Write out the relocations. */ | |
1623 | ||
1624 | static void | |
1625 | mips_elf64_write_relocs (abfd, sec, data) | |
1626 | bfd *abfd; | |
1627 | asection *sec; | |
1628 | PTR data; | |
1629 | { | |
1630 | boolean *failedp = (boolean *) data; | |
1631 | unsigned int count; | |
1632 | Elf_Internal_Shdr *rela_hdr; | |
1633 | Elf64_Mips_External_Rela *ext_rela; | |
1634 | unsigned int idx; | |
1635 | asymbol *last_sym = 0; | |
1636 | int last_sym_idx = 0; | |
1637 | ||
1638 | /* If we have already failed, don't do anything. */ | |
1639 | if (*failedp) | |
1640 | return; | |
1641 | ||
1642 | if ((sec->flags & SEC_RELOC) == 0) | |
1643 | return; | |
1644 | ||
1645 | /* The linker backend writes the relocs out itself, and sets the | |
1646 | reloc_count field to zero to inhibit writing them here. Also, | |
1647 | sometimes the SEC_RELOC flag gets set even when there aren't any | |
1648 | relocs. */ | |
1649 | if (sec->reloc_count == 0) | |
1650 | return; | |
1651 | ||
1652 | /* We can combine up to three relocs that refer to the same address | |
1653 | if the latter relocs have no associated symbol. */ | |
1654 | count = 0; | |
1655 | for (idx = 0; idx < sec->reloc_count; idx++) | |
1656 | { | |
1657 | bfd_vma addr; | |
1658 | unsigned int i; | |
1659 | ||
1660 | ++count; | |
1661 | ||
1662 | addr = sec->orelocation[idx]->address; | |
1663 | for (i = 0; i < 2; i++) | |
1664 | { | |
1665 | arelent *r; | |
1666 | ||
1667 | if (idx + 1 >= sec->reloc_count) | |
1668 | break; | |
1669 | r = sec->orelocation[idx + 1]; | |
1670 | if (r->address != addr | |
1671 | || ! bfd_is_abs_section ((*r->sym_ptr_ptr)->section) | |
1672 | || (*r->sym_ptr_ptr)->value != 0) | |
1673 | break; | |
1674 | ||
1675 | /* We can merge the reloc at IDX + 1 with the reloc at IDX. */ | |
1676 | ||
1677 | ++idx; | |
1678 | } | |
1679 | } | |
1680 | ||
1681 | rela_hdr = &elf_section_data (sec)->rel_hdr; | |
1682 | ||
1683 | rela_hdr->sh_size = rela_hdr->sh_entsize * count; | |
1684 | rela_hdr->contents = (PTR) bfd_alloc (abfd, rela_hdr->sh_size); | |
1685 | if (rela_hdr->contents == NULL) | |
1686 | { | |
1687 | *failedp = true; | |
1688 | return; | |
1689 | } | |
1690 | ||
1691 | ext_rela = (Elf64_Mips_External_Rela *) rela_hdr->contents; | |
1692 | for (idx = 0; idx < sec->reloc_count; idx++, ext_rela++) | |
1693 | { | |
1694 | arelent *ptr; | |
1695 | Elf64_Mips_Internal_Rela int_rela; | |
1696 | asymbol *sym; | |
1697 | int n; | |
1698 | unsigned int i; | |
1699 | ||
1700 | ptr = sec->orelocation[idx]; | |
1701 | ||
1702 | /* The address of an ELF reloc is section relative for an object | |
1703 | file, and absolute for an executable file or shared library. | |
1704 | The address of a BFD reloc is always section relative. */ | |
1705 | if ((abfd->flags & (EXEC_P | DYNAMIC)) == 0) | |
1706 | int_rela.r_offset = ptr->address; | |
1707 | else | |
1708 | int_rela.r_offset = ptr->address + sec->vma; | |
1709 | ||
1710 | sym = *ptr->sym_ptr_ptr; | |
1711 | if (sym == last_sym) | |
1712 | n = last_sym_idx; | |
1713 | else | |
1714 | { | |
1715 | last_sym = sym; | |
1716 | n = _bfd_elf_symbol_from_bfd_symbol (abfd, &sym); | |
1717 | if (n < 0) | |
1718 | { | |
1719 | *failedp = true; | |
1720 | return; | |
1721 | } | |
1722 | last_sym_idx = n; | |
1723 | } | |
1724 | ||
1725 | int_rela.r_sym = n; | |
1726 | ||
1727 | int_rela.r_addend = ptr->addend; | |
1728 | ||
1729 | int_rela.r_ssym = RSS_UNDEF; | |
1730 | ||
1731 | if ((*ptr->sym_ptr_ptr)->the_bfd->xvec != abfd->xvec | |
1732 | && ! _bfd_elf_validate_reloc (abfd, ptr)) | |
1733 | { | |
1734 | *failedp = true; | |
1735 | return; | |
1736 | } | |
1737 | ||
1738 | int_rela.r_type = ptr->howto->type; | |
1739 | int_rela.r_type2 = (int) R_MIPS_NONE; | |
1740 | int_rela.r_type3 = (int) R_MIPS_NONE; | |
1741 | ||
1742 | for (i = 0; i < 2; i++) | |
1743 | { | |
1744 | arelent *r; | |
1745 | ||
1746 | if (idx + 1 >= sec->reloc_count) | |
1747 | break; | |
1748 | r = sec->orelocation[idx + 1]; | |
1749 | if (r->address != ptr->address | |
1750 | || ! bfd_is_abs_section ((*r->sym_ptr_ptr)->section) | |
1751 | || (*r->sym_ptr_ptr)->value != 0) | |
1752 | break; | |
1753 | ||
1754 | /* We can merge the reloc at IDX + 1 with the reloc at IDX. */ | |
1755 | ||
1756 | if (i == 0) | |
1757 | int_rela.r_type2 = r->howto->type; | |
1758 | else | |
1759 | int_rela.r_type3 = r->howto->type; | |
1760 | ||
1761 | ++idx; | |
1762 | } | |
1763 | ||
1764 | mips_elf64_swap_reloca_out (abfd, &int_rela, ext_rela); | |
1765 | } | |
1766 | ||
1767 | BFD_ASSERT (ext_rela - (Elf64_Mips_External_Rela *) rela_hdr->contents | |
5e572849 | 1768 | == (int) count); |
252b5132 RH |
1769 | } |
1770 | \f | |
252b5132 RH |
1771 | /* Irix 6 defines a brand new archive map format, so that they can |
1772 | have archives more than 4 GB in size. */ | |
1773 | ||
1774 | /* Read an Irix 6 armap. */ | |
1775 | ||
1776 | static boolean | |
1777 | mips_elf64_slurp_armap (abfd) | |
1778 | bfd *abfd; | |
1779 | { | |
1780 | struct artdata *ardata = bfd_ardata (abfd); | |
1781 | char nextname[17]; | |
1782 | file_ptr arhdrpos; | |
1783 | bfd_size_type i, parsed_size, nsymz, stringsize, carsym_size, ptrsize; | |
1784 | struct areltdata *mapdata; | |
1785 | bfd_byte int_buf[8]; | |
1786 | char *stringbase; | |
1787 | bfd_byte *raw_armap = NULL; | |
1788 | carsym *carsyms; | |
dc810e39 | 1789 | bfd_size_type amt; |
252b5132 RH |
1790 | |
1791 | ardata->symdefs = NULL; | |
1792 | ||
1793 | /* Get the name of the first element. */ | |
1794 | arhdrpos = bfd_tell (abfd); | |
dc810e39 | 1795 | i = bfd_bread ((PTR) nextname, (bfd_size_type) 16, abfd); |
252b5132 RH |
1796 | if (i == 0) |
1797 | return true; | |
1798 | if (i != 16) | |
1799 | return false; | |
1800 | ||
dc810e39 | 1801 | if (bfd_seek (abfd, (file_ptr) -16, SEEK_CUR) != 0) |
252b5132 RH |
1802 | return false; |
1803 | ||
1804 | /* Archives with traditional armaps are still permitted. */ | |
1805 | if (strncmp (nextname, "/ ", 16) == 0) | |
1806 | return bfd_slurp_armap (abfd); | |
1807 | ||
1808 | if (strncmp (nextname, "/SYM64/ ", 16) != 0) | |
1809 | { | |
1810 | bfd_has_map (abfd) = false; | |
1811 | return true; | |
1812 | } | |
1813 | ||
1814 | mapdata = (struct areltdata *) _bfd_read_ar_hdr (abfd); | |
1815 | if (mapdata == NULL) | |
1816 | return false; | |
1817 | parsed_size = mapdata->parsed_size; | |
1818 | bfd_release (abfd, (PTR) mapdata); | |
1819 | ||
dc810e39 | 1820 | if (bfd_bread (int_buf, (bfd_size_type) 8, abfd) != 8) |
252b5132 RH |
1821 | { |
1822 | if (bfd_get_error () != bfd_error_system_call) | |
1823 | bfd_set_error (bfd_error_malformed_archive); | |
1824 | return false; | |
1825 | } | |
1826 | ||
1827 | nsymz = bfd_getb64 (int_buf); | |
1828 | stringsize = parsed_size - 8 * nsymz - 8; | |
1829 | ||
1830 | carsym_size = nsymz * sizeof (carsym); | |
1831 | ptrsize = 8 * nsymz; | |
1832 | ||
dc810e39 AM |
1833 | amt = carsym_size + stringsize + 1; |
1834 | ardata->symdefs = (carsym *) bfd_zalloc (abfd, amt); | |
252b5132 RH |
1835 | if (ardata->symdefs == NULL) |
1836 | return false; | |
1837 | carsyms = ardata->symdefs; | |
1838 | stringbase = ((char *) ardata->symdefs) + carsym_size; | |
1839 | ||
1840 | raw_armap = (bfd_byte *) bfd_alloc (abfd, ptrsize); | |
1841 | if (raw_armap == NULL) | |
1842 | goto error_return; | |
1843 | ||
dc810e39 AM |
1844 | if (bfd_bread (raw_armap, ptrsize, abfd) != ptrsize |
1845 | || bfd_bread (stringbase, stringsize, abfd) != stringsize) | |
252b5132 RH |
1846 | { |
1847 | if (bfd_get_error () != bfd_error_system_call) | |
1848 | bfd_set_error (bfd_error_malformed_archive); | |
1849 | goto error_return; | |
1850 | } | |
1851 | ||
1852 | for (i = 0; i < nsymz; i++) | |
1853 | { | |
1854 | carsyms->file_offset = bfd_getb64 (raw_armap + i * 8); | |
1855 | carsyms->name = stringbase; | |
1856 | stringbase += strlen (stringbase) + 1; | |
1857 | ++carsyms; | |
1858 | } | |
1859 | *stringbase = '\0'; | |
1860 | ||
1861 | ardata->symdef_count = nsymz; | |
1862 | ardata->first_file_filepos = arhdrpos + sizeof (struct ar_hdr) + parsed_size; | |
1863 | ||
1864 | bfd_has_map (abfd) = true; | |
1865 | bfd_release (abfd, raw_armap); | |
1866 | ||
1867 | return true; | |
1868 | ||
1869 | error_return: | |
1870 | if (raw_armap != NULL) | |
1871 | bfd_release (abfd, raw_armap); | |
1872 | if (ardata->symdefs != NULL) | |
1873 | bfd_release (abfd, ardata->symdefs); | |
1874 | return false; | |
1875 | } | |
1876 | ||
1877 | /* Write out an Irix 6 armap. The Irix 6 tools are supposed to be | |
1878 | able to handle ordinary ELF armaps, but at least on Irix 6.2 the | |
1879 | linker crashes. */ | |
1880 | ||
1881 | static boolean | |
1882 | mips_elf64_write_armap (arch, elength, map, symbol_count, stridx) | |
1883 | bfd *arch; | |
1884 | unsigned int elength; | |
1885 | struct orl *map; | |
1886 | unsigned int symbol_count; | |
1887 | int stridx; | |
1888 | { | |
1889 | unsigned int ranlibsize = (symbol_count * 8) + 8; | |
1890 | unsigned int stringsize = stridx; | |
1891 | unsigned int mapsize = stringsize + ranlibsize; | |
1892 | file_ptr archive_member_file_ptr; | |
1893 | bfd *current = arch->archive_head; | |
1894 | unsigned int count; | |
1895 | struct ar_hdr hdr; | |
1896 | unsigned int i; | |
1897 | int padding; | |
1898 | bfd_byte buf[8]; | |
1899 | ||
1900 | padding = BFD_ALIGN (mapsize, 8) - mapsize; | |
1901 | mapsize += padding; | |
1902 | ||
1903 | /* work out where the first object file will go in the archive */ | |
1904 | archive_member_file_ptr = (mapsize | |
1905 | + elength | |
1906 | + sizeof (struct ar_hdr) | |
1907 | + SARMAG); | |
1908 | ||
1909 | memset ((char *) (&hdr), 0, sizeof (struct ar_hdr)); | |
1910 | strcpy (hdr.ar_name, "/SYM64/"); | |
1911 | sprintf (hdr.ar_size, "%-10d", (int) mapsize); | |
1912 | sprintf (hdr.ar_date, "%ld", (long) time (NULL)); | |
1913 | /* This, at least, is what Intel coff sets the values to.: */ | |
1914 | sprintf ((hdr.ar_uid), "%d", 0); | |
1915 | sprintf ((hdr.ar_gid), "%d", 0); | |
1916 | sprintf ((hdr.ar_mode), "%-7o", (unsigned) 0); | |
1917 | strncpy (hdr.ar_fmag, ARFMAG, 2); | |
1918 | ||
1919 | for (i = 0; i < sizeof (struct ar_hdr); i++) | |
1920 | if (((char *) (&hdr))[i] == '\0') | |
1921 | (((char *) (&hdr))[i]) = ' '; | |
1922 | ||
1923 | /* Write the ar header for this item and the number of symbols */ | |
1924 | ||
dc810e39 | 1925 | if (bfd_bwrite ((PTR) &hdr, (bfd_size_type) sizeof (struct ar_hdr), arch) |
252b5132 RH |
1926 | != sizeof (struct ar_hdr)) |
1927 | return false; | |
1928 | ||
dc810e39 AM |
1929 | bfd_putb64 ((bfd_vma) symbol_count, buf); |
1930 | if (bfd_bwrite (buf, (bfd_size_type) 8, arch) != 8) | |
252b5132 RH |
1931 | return false; |
1932 | ||
1933 | /* Two passes, first write the file offsets for each symbol - | |
1934 | remembering that each offset is on a two byte boundary. */ | |
1935 | ||
1936 | /* Write out the file offset for the file associated with each | |
1937 | symbol, and remember to keep the offsets padded out. */ | |
1938 | ||
1939 | current = arch->archive_head; | |
1940 | count = 0; | |
1941 | while (current != (bfd *) NULL && count < symbol_count) | |
1942 | { | |
1943 | /* For each symbol which is used defined in this object, write out | |
1944 | the object file's address in the archive */ | |
1945 | ||
dc810e39 | 1946 | while (map[count].u.abfd == current) |
252b5132 | 1947 | { |
dc810e39 AM |
1948 | bfd_putb64 ((bfd_vma) archive_member_file_ptr, buf); |
1949 | if (bfd_bwrite (buf, (bfd_size_type) 8, arch) != 8) | |
252b5132 RH |
1950 | return false; |
1951 | count++; | |
1952 | } | |
1953 | /* Add size of this archive entry */ | |
1954 | archive_member_file_ptr += (arelt_size (current) | |
1955 | + sizeof (struct ar_hdr)); | |
1956 | /* remember about the even alignment */ | |
1957 | archive_member_file_ptr += archive_member_file_ptr % 2; | |
1958 | current = current->next; | |
1959 | } | |
1960 | ||
1961 | /* now write the strings themselves */ | |
1962 | for (count = 0; count < symbol_count; count++) | |
1963 | { | |
1964 | size_t len = strlen (*map[count].name) + 1; | |
1965 | ||
dc810e39 | 1966 | if (bfd_bwrite (*map[count].name, (bfd_size_type) len, arch) != len) |
252b5132 RH |
1967 | return false; |
1968 | } | |
1969 | ||
1970 | /* The spec says that this should be padded to an 8 byte boundary. | |
1971 | However, the Irix 6.2 tools do not appear to do this. */ | |
1972 | while (padding != 0) | |
1973 | { | |
dc810e39 | 1974 | if (bfd_bwrite ("", (bfd_size_type) 1, arch) != 1) |
252b5132 RH |
1975 | return false; |
1976 | --padding; | |
1977 | } | |
1978 | ||
1979 | return true; | |
1980 | } | |
1981 | \f | |
1982 | /* ECOFF swapping routines. These are used when dealing with the | |
1983 | .mdebug section, which is in the ECOFF debugging format. */ | |
1984 | static const struct ecoff_debug_swap mips_elf64_ecoff_debug_swap = | |
1985 | { | |
1986 | /* Symbol table magic number. */ | |
1987 | magicSym2, | |
1988 | /* Alignment of debugging information. E.g., 4. */ | |
1989 | 8, | |
1990 | /* Sizes of external symbolic information. */ | |
1991 | sizeof (struct hdr_ext), | |
1992 | sizeof (struct dnr_ext), | |
1993 | sizeof (struct pdr_ext), | |
1994 | sizeof (struct sym_ext), | |
1995 | sizeof (struct opt_ext), | |
1996 | sizeof (struct fdr_ext), | |
1997 | sizeof (struct rfd_ext), | |
1998 | sizeof (struct ext_ext), | |
1999 | /* Functions to swap in external symbolic data. */ | |
2000 | ecoff_swap_hdr_in, | |
2001 | ecoff_swap_dnr_in, | |
2002 | ecoff_swap_pdr_in, | |
2003 | ecoff_swap_sym_in, | |
2004 | ecoff_swap_opt_in, | |
2005 | ecoff_swap_fdr_in, | |
2006 | ecoff_swap_rfd_in, | |
2007 | ecoff_swap_ext_in, | |
2008 | _bfd_ecoff_swap_tir_in, | |
2009 | _bfd_ecoff_swap_rndx_in, | |
2010 | /* Functions to swap out external symbolic data. */ | |
2011 | ecoff_swap_hdr_out, | |
2012 | ecoff_swap_dnr_out, | |
2013 | ecoff_swap_pdr_out, | |
2014 | ecoff_swap_sym_out, | |
2015 | ecoff_swap_opt_out, | |
2016 | ecoff_swap_fdr_out, | |
2017 | ecoff_swap_rfd_out, | |
2018 | ecoff_swap_ext_out, | |
2019 | _bfd_ecoff_swap_tir_out, | |
2020 | _bfd_ecoff_swap_rndx_out, | |
2021 | /* Function to read in symbolic data. */ | |
2022 | _bfd_mips_elf_read_ecoff_info | |
2023 | }; | |
2024 | \f | |
2025 | /* Relocations in the 64 bit MIPS ELF ABI are more complex than in | |
2026 | standard ELF. This structure is used to redirect the relocation | |
2027 | handling routines. */ | |
2028 | ||
2029 | const struct elf_size_info mips_elf64_size_info = | |
2030 | { | |
2031 | sizeof (Elf64_External_Ehdr), | |
2032 | sizeof (Elf64_External_Phdr), | |
2033 | sizeof (Elf64_External_Shdr), | |
2034 | sizeof (Elf64_Mips_External_Rel), | |
2035 | sizeof (Elf64_Mips_External_Rela), | |
2036 | sizeof (Elf64_External_Sym), | |
2037 | sizeof (Elf64_External_Dyn), | |
2038 | sizeof (Elf_External_Note), | |
c7ac6ff8 MM |
2039 | 4, /* hash-table entry size */ |
2040 | 3, /* internal relocations per external relocations */ | |
252b5132 RH |
2041 | 64, /* arch_size */ |
2042 | 8, /* file_align */ | |
2043 | ELFCLASS64, | |
2044 | EV_CURRENT, | |
2045 | bfd_elf64_write_out_phdrs, | |
2046 | bfd_elf64_write_shdrs_and_ehdr, | |
2047 | mips_elf64_write_relocs, | |
2048 | bfd_elf64_swap_symbol_out, | |
2049 | mips_elf64_slurp_reloc_table, | |
2050 | bfd_elf64_slurp_symbol_table, | |
c7ac6ff8 MM |
2051 | bfd_elf64_swap_dyn_in, |
2052 | bfd_elf64_swap_dyn_out, | |
2053 | mips_elf64_be_swap_reloc_in, | |
2054 | mips_elf64_be_swap_reloc_out, | |
2055 | mips_elf64_be_swap_reloca_in, | |
2056 | mips_elf64_be_swap_reloca_out | |
252b5132 RH |
2057 | }; |
2058 | ||
2059 | #define TARGET_LITTLE_SYM bfd_elf64_littlemips_vec | |
2060 | #define TARGET_LITTLE_NAME "elf64-littlemips" | |
2061 | #define TARGET_BIG_SYM bfd_elf64_bigmips_vec | |
2062 | #define TARGET_BIG_NAME "elf64-bigmips" | |
2063 | #define ELF_ARCH bfd_arch_mips | |
2064 | #define ELF_MACHINE_CODE EM_MIPS | |
103186c6 | 2065 | |
252b5132 | 2066 | #define ELF_MAXPAGESIZE 0x1000 |
103186c6 MM |
2067 | |
2068 | #define elf_backend_collect true | |
2069 | #define elf_backend_type_change_ok true | |
2070 | #define elf_backend_can_gc_sections true | |
252b5132 RH |
2071 | #define elf_backend_size_info mips_elf64_size_info |
2072 | #define elf_backend_object_p _bfd_mips_elf_object_p | |
103186c6 | 2073 | #define elf_backend_section_from_shdr _bfd_mips_elf_section_from_shdr |
252b5132 RH |
2074 | #define elf_backend_fake_sections _bfd_mips_elf_fake_sections |
2075 | #define elf_backend_section_from_bfd_section \ | |
2076 | _bfd_mips_elf_section_from_bfd_section | |
103186c6 | 2077 | #define elf_backend_section_processing _bfd_mips_elf_section_processing |
252b5132 | 2078 | #define elf_backend_symbol_processing _bfd_mips_elf_symbol_processing |
103186c6 MM |
2079 | #define elf_backend_additional_program_headers \ |
2080 | _bfd_mips_elf_additional_program_headers | |
2081 | #define elf_backend_modify_segment_map _bfd_mips_elf_modify_segment_map | |
252b5132 RH |
2082 | #define elf_backend_final_write_processing \ |
2083 | _bfd_mips_elf_final_write_processing | |
2084 | #define elf_backend_ecoff_debug_swap &mips_elf64_ecoff_debug_swap | |
103186c6 MM |
2085 | #define elf_backend_add_symbol_hook _bfd_mips_elf_add_symbol_hook |
2086 | #define elf_backend_create_dynamic_sections \ | |
2087 | _bfd_mips_elf_create_dynamic_sections | |
2088 | #define elf_backend_check_relocs _bfd_mips_elf_check_relocs | |
2089 | #define elf_backend_adjust_dynamic_symbol \ | |
2090 | _bfd_mips_elf_adjust_dynamic_symbol | |
2091 | #define elf_backend_always_size_sections \ | |
2092 | _bfd_mips_elf_always_size_sections | |
2093 | #define elf_backend_size_dynamic_sections \ | |
2094 | _bfd_mips_elf_size_dynamic_sections | |
2095 | #define elf_backend_relocate_section _bfd_mips_elf_relocate_section | |
2096 | #define elf_backend_link_output_symbol_hook \ | |
2097 | _bfd_mips_elf_link_output_symbol_hook | |
2098 | #define elf_backend_finish_dynamic_symbol \ | |
2099 | _bfd_mips_elf_finish_dynamic_symbol | |
2100 | #define elf_backend_finish_dynamic_sections \ | |
2101 | _bfd_mips_elf_finish_dynamic_sections | |
2102 | #define elf_backend_gc_mark_hook _bfd_mips_elf_gc_mark_hook | |
2103 | #define elf_backend_gc_sweep_hook _bfd_mips_elf_gc_sweep_hook | |
2104 | #define elf_backend_got_header_size (4*MIPS_RESERVED_GOTNO) | |
2105 | #define elf_backend_plt_header_size 0 | |
1e2be829 TS |
2106 | |
2107 | /* MIPS ELF64 can use a mixture of REL and RELA, but some Relocations | |
2108 | * work better/work only in RELA, so we default to this. */ | |
2109 | #define elf_backend_may_use_rel_p 1 | |
2110 | #define elf_backend_may_use_rela_p 1 | |
2111 | #define elf_backend_default_use_rela_p 1 | |
103186c6 | 2112 | |
fe8bc63d | 2113 | /* We don't set bfd_elf64_bfd_is_local_label_name because the 32-bit |
103186c6 MM |
2114 | MIPS-specific function only applies to IRIX5, which had no 64-bit |
2115 | ABI. */ | |
252b5132 | 2116 | #define bfd_elf64_find_nearest_line _bfd_mips_elf_find_nearest_line |
252b5132 | 2117 | #define bfd_elf64_set_section_contents _bfd_mips_elf_set_section_contents |
103186c6 MM |
2118 | #define bfd_elf64_bfd_link_hash_table_create \ |
2119 | _bfd_mips_elf_link_hash_table_create | |
2120 | #define bfd_elf64_bfd_final_link _bfd_mips_elf_final_link | |
252b5132 RH |
2121 | #define bfd_elf64_bfd_copy_private_bfd_data \ |
2122 | _bfd_mips_elf_copy_private_bfd_data | |
2123 | #define bfd_elf64_bfd_merge_private_bfd_data \ | |
2124 | _bfd_mips_elf_merge_private_bfd_data | |
2125 | #define bfd_elf64_bfd_set_private_flags _bfd_mips_elf_set_private_flags | |
103186c6 MM |
2126 | #define bfd_elf64_bfd_print_private_bfd_data \ |
2127 | _bfd_mips_elf_print_private_bfd_data | |
252b5132 | 2128 | |
103186c6 MM |
2129 | #define bfd_elf64_get_reloc_upper_bound mips_elf64_get_reloc_upper_bound |
2130 | #define bfd_elf64_bfd_reloc_type_lookup mips_elf64_reloc_type_lookup | |
252b5132 RH |
2131 | #define bfd_elf64_archive_functions |
2132 | #define bfd_elf64_archive_slurp_armap mips_elf64_slurp_armap | |
2133 | #define bfd_elf64_archive_slurp_extended_name_table \ | |
2134 | _bfd_archive_coff_slurp_extended_name_table | |
2135 | #define bfd_elf64_archive_construct_extended_name_table \ | |
2136 | _bfd_archive_coff_construct_extended_name_table | |
2137 | #define bfd_elf64_archive_truncate_arname \ | |
2138 | _bfd_archive_coff_truncate_arname | |
2139 | #define bfd_elf64_archive_write_armap mips_elf64_write_armap | |
2140 | #define bfd_elf64_archive_read_ar_hdr _bfd_archive_coff_read_ar_hdr | |
2141 | #define bfd_elf64_archive_openr_next_archived_file \ | |
2142 | _bfd_archive_coff_openr_next_archived_file | |
2143 | #define bfd_elf64_archive_get_elt_at_index \ | |
2144 | _bfd_archive_coff_get_elt_at_index | |
2145 | #define bfd_elf64_archive_generic_stat_arch_elt \ | |
2146 | _bfd_archive_coff_generic_stat_arch_elt | |
2147 | #define bfd_elf64_archive_update_armap_timestamp \ | |
2148 | _bfd_archive_coff_update_armap_timestamp | |
2149 | ||
2150 | #include "elf64-target.h" | |
fdbafa10 L |
2151 | |
2152 | /* Support for traditional mips targets */ | |
2153 | ||
2154 | #define INCLUDED_TARGET_FILE /* More a type of flag */ | |
2155 | ||
2156 | #undef TARGET_LITTLE_SYM | |
2157 | #undef TARGET_LITTLE_NAME | |
2158 | #undef TARGET_BIG_SYM | |
2159 | #undef TARGET_BIG_NAME | |
2160 | ||
2161 | #define TARGET_LITTLE_SYM bfd_elf64_tradlittlemips_vec | |
2162 | #define TARGET_LITTLE_NAME "elf64-tradlittlemips" | |
2163 | #define TARGET_BIG_SYM bfd_elf64_tradbigmips_vec | |
2164 | #define TARGET_BIG_NAME "elf64-tradbigmips" | |
2165 | ||
2166 | /* Include the target file again for this target */ | |
2167 | #include "elf64-target.h" |