Commit | Line | Data |
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d1bf45aa | 1 | /* MIPS-specific support for 64-bit ELF |
ef8349a1 | 2 | Copyright 1996, 1997, 1998 Free Software Foundation, Inc. |
d1bf45aa ILT |
3 | Ian Lance Taylor, Cygnus Support |
4 | ||
5 | This file is part of BFD, the Binary File Descriptor library. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with this program; if not, write to the Free Software | |
19 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
20 | ||
00176555 ILT |
21 | /* This file supports the 64-bit MIPS ELF ABI. |
22 | ||
23 | The MIPS 64-bit ELF ABI uses an unusual reloc format. This file | |
24 | overrides the usual ELF reloc handling, and handles reading and | |
e35765a9 ILT |
25 | writing the relocations here. |
26 | ||
27 | The MIPS 64-bit ELF ABI also uses an unusual archive map format. */ | |
00176555 | 28 | |
d1bf45aa ILT |
29 | #include "bfd.h" |
30 | #include "sysdep.h" | |
31 | #include "libbfd.h" | |
e35765a9 | 32 | #include "aout/ar.h" |
d1bf45aa ILT |
33 | #include "bfdlink.h" |
34 | #include "genlink.h" | |
35 | #include "elf-bfd.h" | |
36 | #include "elf/mips.h" | |
37 | ||
00176555 ILT |
38 | /* Get the ECOFF swapping routines. The 64-bit ABI is not supposed to |
39 | use ECOFF. However, we support it anyhow for an easier changeover. */ | |
40 | #include "coff/sym.h" | |
41 | #include "coff/symconst.h" | |
42 | #include "coff/internal.h" | |
43 | #include "coff/ecoff.h" | |
44 | /* The 64 bit versions of the mdebug data structures are in alpha.h. */ | |
45 | #include "coff/alpha.h" | |
46 | #define ECOFF_64 | |
47 | #include "ecoffswap.h" | |
d1bf45aa ILT |
48 | |
49 | static void mips_elf64_swap_reloc_in | |
50 | PARAMS ((bfd *, const Elf64_Mips_External_Rel *, | |
51 | Elf64_Mips_Internal_Rel *)); | |
52 | static void mips_elf64_swap_reloca_in | |
53 | PARAMS ((bfd *, const Elf64_Mips_External_Rela *, | |
54 | Elf64_Mips_Internal_Rela *)); | |
00176555 | 55 | #if 0 |
d1bf45aa ILT |
56 | static void mips_elf64_swap_reloc_out |
57 | PARAMS ((bfd *, const Elf64_Mips_Internal_Rel *, | |
58 | Elf64_Mips_External_Rel *)); | |
00176555 | 59 | #endif |
d1bf45aa ILT |
60 | static void mips_elf64_swap_reloca_out |
61 | PARAMS ((bfd *, const Elf64_Mips_Internal_Rela *, | |
62 | Elf64_Mips_External_Rela *)); | |
63 | static reloc_howto_type *mips_elf64_reloc_type_lookup | |
64 | PARAMS ((bfd *, bfd_reloc_code_real_type)); | |
00176555 | 65 | static long mips_elf64_get_reloc_upper_bound PARAMS ((bfd *, asection *)); |
d1bf45aa ILT |
66 | static boolean mips_elf64_slurp_one_reloc_table |
67 | PARAMS ((bfd *, asection *, asymbol **, const Elf_Internal_Shdr *)); | |
68 | static boolean mips_elf64_slurp_reloc_table | |
39e4bca4 | 69 | PARAMS ((bfd *, asection *, asymbol **, boolean)); |
d1bf45aa ILT |
70 | static void mips_elf64_write_relocs PARAMS ((bfd *, asection *, PTR)); |
71 | static boolean mips_elf64_section_from_shdr | |
72 | PARAMS ((bfd *, Elf_Internal_Shdr *, char *)); | |
bc05732b ILT |
73 | static boolean mips_elf64_section_processing |
74 | PARAMS ((bfd *, Elf_Internal_Shdr *)); | |
e35765a9 ILT |
75 | static boolean mips_elf64_slurp_armap PARAMS ((bfd *)); |
76 | static boolean mips_elf64_write_armap | |
77 | PARAMS ((bfd *, unsigned int, struct orl *, unsigned int, int)); | |
d1bf45aa | 78 | |
d1bf45aa ILT |
79 | |
80 | /* In case we're on a 32-bit machine, construct a 64-bit "-1" value | |
81 | from smaller values. Start with zero, widen, *then* decrement. */ | |
82 | #define MINUS_ONE (((bfd_vma)0) - 1) | |
83 | ||
d1bf45aa ILT |
84 | /* The relocation table used for SHT_REL sections. */ |
85 | ||
86 | static reloc_howto_type mips_elf64_howto_table_rel[] = | |
87 | { | |
88 | /* No relocation. */ | |
89 | HOWTO (R_MIPS_NONE, /* type */ | |
90 | 0, /* rightshift */ | |
91 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
92 | 0, /* bitsize */ | |
93 | false, /* pc_relative */ | |
94 | 0, /* bitpos */ | |
95 | complain_overflow_dont, /* complain_on_overflow */ | |
96 | bfd_elf_generic_reloc, /* special_function */ | |
97 | "R_MIPS_NONE", /* name */ | |
98 | false, /* partial_inplace */ | |
99 | 0, /* src_mask */ | |
100 | 0, /* dst_mask */ | |
101 | false), /* pcrel_offset */ | |
102 | ||
103 | /* 16 bit relocation. */ | |
104 | HOWTO (R_MIPS_16, /* type */ | |
105 | 0, /* rightshift */ | |
106 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
107 | 16, /* bitsize */ | |
108 | false, /* pc_relative */ | |
109 | 0, /* bitpos */ | |
110 | complain_overflow_bitfield, /* complain_on_overflow */ | |
111 | bfd_elf_generic_reloc, /* special_function */ | |
112 | "R_MIPS_16", /* name */ | |
113 | true, /* partial_inplace */ | |
114 | 0xffff, /* src_mask */ | |
115 | 0xffff, /* dst_mask */ | |
116 | false), /* pcrel_offset */ | |
117 | ||
118 | /* 32 bit relocation. */ | |
119 | HOWTO (R_MIPS_32, /* type */ | |
120 | 0, /* rightshift */ | |
121 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
122 | 32, /* bitsize */ | |
123 | false, /* pc_relative */ | |
124 | 0, /* bitpos */ | |
125 | complain_overflow_bitfield, /* complain_on_overflow */ | |
126 | bfd_elf_generic_reloc, /* special_function */ | |
127 | "R_MIPS_32", /* name */ | |
128 | true, /* partial_inplace */ | |
129 | 0xffffffff, /* src_mask */ | |
130 | 0xffffffff, /* dst_mask */ | |
131 | false), /* pcrel_offset */ | |
132 | ||
133 | /* 32 bit symbol relative relocation. */ | |
134 | HOWTO (R_MIPS_REL32, /* type */ | |
135 | 0, /* rightshift */ | |
136 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
137 | 32, /* bitsize */ | |
138 | false, /* pc_relative */ | |
139 | 0, /* bitpos */ | |
140 | complain_overflow_bitfield, /* complain_on_overflow */ | |
141 | bfd_elf_generic_reloc, /* special_function */ | |
142 | "R_MIPS_REL32", /* name */ | |
143 | true, /* partial_inplace */ | |
144 | 0xffffffff, /* src_mask */ | |
145 | 0xffffffff, /* dst_mask */ | |
146 | false), /* pcrel_offset */ | |
147 | ||
148 | /* 26 bit branch address. */ | |
149 | HOWTO (R_MIPS_26, /* type */ | |
150 | 2, /* rightshift */ | |
151 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
152 | 26, /* bitsize */ | |
153 | false, /* pc_relative */ | |
154 | 0, /* bitpos */ | |
155 | complain_overflow_dont, /* complain_on_overflow */ | |
156 | /* This needs complex overflow | |
157 | detection, because the upper four | |
158 | bits must match the PC. */ | |
159 | bfd_elf_generic_reloc, /* special_function */ | |
160 | "R_MIPS_26", /* name */ | |
161 | true, /* partial_inplace */ | |
162 | 0x3ffffff, /* src_mask */ | |
163 | 0x3ffffff, /* dst_mask */ | |
164 | false), /* pcrel_offset */ | |
165 | ||
166 | /* High 16 bits of symbol value. */ | |
167 | HOWTO (R_MIPS_HI16, /* type */ | |
168 | 0, /* rightshift */ | |
169 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
170 | 16, /* bitsize */ | |
171 | false, /* pc_relative */ | |
172 | 0, /* bitpos */ | |
173 | complain_overflow_dont, /* complain_on_overflow */ | |
bc05732b | 174 | _bfd_mips_elf_hi16_reloc, /* special_function */ |
d1bf45aa ILT |
175 | "R_MIPS_HI16", /* name */ |
176 | true, /* partial_inplace */ | |
177 | 0xffff, /* src_mask */ | |
178 | 0xffff, /* dst_mask */ | |
179 | false), /* pcrel_offset */ | |
180 | ||
181 | /* Low 16 bits of symbol value. */ | |
182 | HOWTO (R_MIPS_LO16, /* type */ | |
183 | 0, /* rightshift */ | |
184 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
185 | 16, /* bitsize */ | |
186 | false, /* pc_relative */ | |
187 | 0, /* bitpos */ | |
188 | complain_overflow_dont, /* complain_on_overflow */ | |
bc05732b | 189 | _bfd_mips_elf_lo16_reloc, /* special_function */ |
d1bf45aa ILT |
190 | "R_MIPS_LO16", /* name */ |
191 | true, /* partial_inplace */ | |
192 | 0xffff, /* src_mask */ | |
193 | 0xffff, /* dst_mask */ | |
194 | false), /* pcrel_offset */ | |
195 | ||
196 | /* GP relative reference. */ | |
197 | HOWTO (R_MIPS_GPREL16, /* type */ | |
198 | 0, /* rightshift */ | |
199 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
200 | 16, /* bitsize */ | |
201 | false, /* pc_relative */ | |
202 | 0, /* bitpos */ | |
203 | complain_overflow_signed, /* complain_on_overflow */ | |
bc05732b | 204 | _bfd_mips_elf_gprel16_reloc, /* special_function */ |
d1bf45aa ILT |
205 | "R_MIPS_GPREL16", /* name */ |
206 | true, /* partial_inplace */ | |
207 | 0xffff, /* src_mask */ | |
208 | 0xffff, /* dst_mask */ | |
209 | false), /* pcrel_offset */ | |
210 | ||
211 | /* Reference to literal section. */ | |
212 | HOWTO (R_MIPS_LITERAL, /* type */ | |
213 | 0, /* rightshift */ | |
214 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
215 | 16, /* bitsize */ | |
216 | false, /* pc_relative */ | |
217 | 0, /* bitpos */ | |
218 | complain_overflow_signed, /* complain_on_overflow */ | |
bc05732b | 219 | _bfd_mips_elf_gprel16_reloc, /* special_function */ |
d1bf45aa ILT |
220 | "R_MIPS_LITERAL", /* name */ |
221 | true, /* partial_inplace */ | |
222 | 0xffff, /* src_mask */ | |
223 | 0xffff, /* dst_mask */ | |
224 | false), /* pcrel_offset */ | |
225 | ||
226 | /* Reference to global offset table. */ | |
227 | HOWTO (R_MIPS_GOT16, /* type */ | |
228 | 0, /* rightshift */ | |
229 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
230 | 16, /* bitsize */ | |
231 | false, /* pc_relative */ | |
232 | 0, /* bitpos */ | |
233 | complain_overflow_signed, /* complain_on_overflow */ | |
bc05732b | 234 | _bfd_mips_elf_got16_reloc, /* special_function */ |
d1bf45aa ILT |
235 | "R_MIPS_GOT16", /* name */ |
236 | false, /* partial_inplace */ | |
237 | 0, /* src_mask */ | |
238 | 0xffff, /* dst_mask */ | |
239 | false), /* pcrel_offset */ | |
240 | ||
241 | /* 16 bit PC relative reference. */ | |
242 | HOWTO (R_MIPS_PC16, /* type */ | |
243 | 0, /* rightshift */ | |
244 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
245 | 16, /* bitsize */ | |
246 | true, /* pc_relative */ | |
247 | 0, /* bitpos */ | |
248 | complain_overflow_signed, /* complain_on_overflow */ | |
249 | bfd_elf_generic_reloc, /* special_function */ | |
250 | "R_MIPS_PC16", /* name */ | |
251 | true, /* partial_inplace */ | |
252 | 0xffff, /* src_mask */ | |
253 | 0xffff, /* dst_mask */ | |
254 | false), /* pcrel_offset */ | |
255 | ||
256 | /* 16 bit call through global offset table. */ | |
257 | /* FIXME: This is not handled correctly. */ | |
258 | HOWTO (R_MIPS_CALL16, /* type */ | |
259 | 0, /* rightshift */ | |
260 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
261 | 16, /* bitsize */ | |
262 | false, /* pc_relative */ | |
263 | 0, /* bitpos */ | |
264 | complain_overflow_signed, /* complain_on_overflow */ | |
265 | bfd_elf_generic_reloc, /* special_function */ | |
266 | "R_MIPS_CALL16", /* name */ | |
267 | false, /* partial_inplace */ | |
268 | 0, /* src_mask */ | |
269 | 0xffff, /* dst_mask */ | |
270 | false), /* pcrel_offset */ | |
271 | ||
272 | /* 32 bit GP relative reference. */ | |
273 | HOWTO (R_MIPS_GPREL32, /* type */ | |
274 | 0, /* rightshift */ | |
275 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
276 | 32, /* bitsize */ | |
277 | false, /* pc_relative */ | |
278 | 0, /* bitpos */ | |
279 | complain_overflow_bitfield, /* complain_on_overflow */ | |
bc05732b | 280 | _bfd_mips_elf_gprel32_reloc, /* special_function */ |
d1bf45aa ILT |
281 | "R_MIPS_GPREL32", /* name */ |
282 | true, /* partial_inplace */ | |
283 | 0xffffffff, /* src_mask */ | |
284 | 0xffffffff, /* dst_mask */ | |
285 | false), /* pcrel_offset */ | |
286 | ||
287 | { 13 }, | |
288 | { 14 }, | |
289 | { 15 }, | |
290 | ||
291 | /* A 5 bit shift field. */ | |
292 | HOWTO (R_MIPS_SHIFT5, /* type */ | |
293 | 0, /* rightshift */ | |
294 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
295 | 5, /* bitsize */ | |
296 | false, /* pc_relative */ | |
297 | 6, /* bitpos */ | |
298 | complain_overflow_bitfield, /* complain_on_overflow */ | |
299 | bfd_elf_generic_reloc, /* special_function */ | |
300 | "R_MIPS_SHIFT5", /* name */ | |
301 | true, /* partial_inplace */ | |
302 | 0x000007c0, /* src_mask */ | |
303 | 0x000007c0, /* dst_mask */ | |
304 | false), /* pcrel_offset */ | |
305 | ||
306 | /* A 6 bit shift field. */ | |
307 | /* FIXME: This is not handled correctly; a special function is | |
308 | needed to put the most significant bit in the right place. */ | |
309 | HOWTO (R_MIPS_SHIFT6, /* type */ | |
310 | 0, /* rightshift */ | |
311 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
312 | 6, /* bitsize */ | |
313 | false, /* pc_relative */ | |
314 | 6, /* bitpos */ | |
315 | complain_overflow_bitfield, /* complain_on_overflow */ | |
316 | bfd_elf_generic_reloc, /* special_function */ | |
317 | "R_MIPS_SHIFT6", /* name */ | |
318 | true, /* partial_inplace */ | |
319 | 0x000007c4, /* src_mask */ | |
320 | 0x000007c4, /* dst_mask */ | |
321 | false), /* pcrel_offset */ | |
322 | ||
323 | /* 64 bit relocation. */ | |
324 | HOWTO (R_MIPS_64, /* type */ | |
325 | 0, /* rightshift */ | |
326 | 4, /* size (0 = byte, 1 = short, 2 = long) */ | |
327 | 64, /* bitsize */ | |
328 | false, /* pc_relative */ | |
329 | 0, /* bitpos */ | |
330 | complain_overflow_bitfield, /* complain_on_overflow */ | |
331 | bfd_elf_generic_reloc, /* special_function */ | |
332 | "R_MIPS_64", /* name */ | |
333 | true, /* partial_inplace */ | |
334 | MINUS_ONE, /* src_mask */ | |
335 | MINUS_ONE, /* dst_mask */ | |
336 | false), /* pcrel_offset */ | |
337 | ||
338 | /* Displacement in the global offset table. */ | |
339 | /* FIXME: Not handled correctly. */ | |
340 | HOWTO (R_MIPS_GOT_DISP, /* type */ | |
341 | 0, /* rightshift */ | |
342 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
343 | 16, /* bitsize */ | |
344 | false, /* pc_relative */ | |
345 | 0, /* bitpos */ | |
346 | complain_overflow_bitfield, /* complain_on_overflow */ | |
347 | bfd_elf_generic_reloc, /* special_function */ | |
348 | "R_MIPS_GOT_DISP", /* name */ | |
349 | true, /* partial_inplace */ | |
350 | 0x0000ffff, /* src_mask */ | |
351 | 0x0000ffff, /* dst_mask */ | |
352 | false), /* pcrel_offset */ | |
353 | ||
354 | /* Displacement to page pointer in the global offset table. */ | |
355 | /* FIXME: Not handled correctly. */ | |
356 | HOWTO (R_MIPS_GOT_PAGE, /* type */ | |
357 | 0, /* rightshift */ | |
358 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
359 | 16, /* bitsize */ | |
360 | false, /* pc_relative */ | |
361 | 0, /* bitpos */ | |
362 | complain_overflow_bitfield, /* complain_on_overflow */ | |
363 | bfd_elf_generic_reloc, /* special_function */ | |
364 | "R_MIPS_GOT_PAGE", /* name */ | |
365 | true, /* partial_inplace */ | |
366 | 0x0000ffff, /* src_mask */ | |
367 | 0x0000ffff, /* dst_mask */ | |
368 | false), /* pcrel_offset */ | |
369 | ||
370 | /* Offset from page pointer in the global offset table. */ | |
371 | /* FIXME: Not handled correctly. */ | |
372 | HOWTO (R_MIPS_GOT_OFST, /* type */ | |
373 | 0, /* rightshift */ | |
374 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
375 | 16, /* bitsize */ | |
376 | false, /* pc_relative */ | |
377 | 0, /* bitpos */ | |
378 | complain_overflow_bitfield, /* complain_on_overflow */ | |
379 | bfd_elf_generic_reloc, /* special_function */ | |
380 | "R_MIPS_GOT_OFST", /* name */ | |
381 | true, /* partial_inplace */ | |
382 | 0x0000ffff, /* src_mask */ | |
383 | 0x0000ffff, /* dst_mask */ | |
384 | false), /* pcrel_offset */ | |
385 | ||
386 | /* High 16 bits of displacement in global offset table. */ | |
387 | /* FIXME: Not handled correctly. */ | |
388 | HOWTO (R_MIPS_GOT_HI16, /* type */ | |
389 | 0, /* rightshift */ | |
390 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
391 | 16, /* bitsize */ | |
392 | false, /* pc_relative */ | |
393 | 0, /* bitpos */ | |
394 | complain_overflow_dont, /* complain_on_overflow */ | |
395 | bfd_elf_generic_reloc, /* special_function */ | |
396 | "R_MIPS_GOT_HI16", /* name */ | |
397 | true, /* partial_inplace */ | |
398 | 0x0000ffff, /* src_mask */ | |
399 | 0x0000ffff, /* dst_mask */ | |
400 | false), /* pcrel_offset */ | |
401 | ||
402 | /* Low 16 bits of displacement in global offset table. */ | |
403 | /* FIXME: Not handled correctly. */ | |
404 | HOWTO (R_MIPS_GOT_LO16, /* type */ | |
405 | 0, /* rightshift */ | |
406 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
407 | 16, /* bitsize */ | |
408 | false, /* pc_relative */ | |
409 | 0, /* bitpos */ | |
410 | complain_overflow_dont, /* complain_on_overflow */ | |
411 | bfd_elf_generic_reloc, /* special_function */ | |
412 | "R_MIPS_GOT_LO16", /* name */ | |
413 | true, /* partial_inplace */ | |
414 | 0x0000ffff, /* src_mask */ | |
415 | 0x0000ffff, /* dst_mask */ | |
416 | false), /* pcrel_offset */ | |
417 | ||
418 | /* 64 bit substraction. */ | |
419 | /* FIXME: Not handled correctly. */ | |
420 | HOWTO (R_MIPS_SUB, /* type */ | |
421 | 0, /* rightshift */ | |
422 | 4, /* size (0 = byte, 1 = short, 2 = long) */ | |
423 | 64, /* bitsize */ | |
424 | false, /* pc_relative */ | |
425 | 0, /* bitpos */ | |
426 | complain_overflow_bitfield, /* complain_on_overflow */ | |
427 | bfd_elf_generic_reloc, /* special_function */ | |
428 | "R_MIPS_SUB", /* name */ | |
429 | true, /* partial_inplace */ | |
430 | MINUS_ONE, /* src_mask */ | |
431 | MINUS_ONE, /* dst_mask */ | |
432 | false), /* pcrel_offset */ | |
433 | ||
434 | /* Insert the addend as an instruction. */ | |
435 | /* FIXME: Not handled correctly. */ | |
436 | HOWTO (R_MIPS_INSERT_A, /* type */ | |
437 | 0, /* rightshift */ | |
438 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
439 | 0, /* bitsize */ | |
440 | false, /* pc_relative */ | |
441 | 0, /* bitpos */ | |
442 | complain_overflow_dont, /* complain_on_overflow */ | |
443 | bfd_elf_generic_reloc, /* special_function */ | |
444 | "R_MIPS_INSERT_A", /* name */ | |
445 | false, /* partial_inplace */ | |
446 | 0, /* src_mask */ | |
447 | 0, /* dst_mask */ | |
448 | false), /* pcrel_offset */ | |
449 | ||
450 | /* Insert the addend as an instruction, and change all relocations | |
451 | to refer to the old instruction at the address. */ | |
452 | /* FIXME: Not handled correctly. */ | |
453 | HOWTO (R_MIPS_INSERT_B, /* type */ | |
454 | 0, /* rightshift */ | |
455 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
456 | 0, /* bitsize */ | |
457 | false, /* pc_relative */ | |
458 | 0, /* bitpos */ | |
459 | complain_overflow_dont, /* complain_on_overflow */ | |
460 | bfd_elf_generic_reloc, /* special_function */ | |
461 | "R_MIPS_INSERT_B", /* name */ | |
462 | false, /* partial_inplace */ | |
463 | 0, /* src_mask */ | |
464 | 0, /* dst_mask */ | |
465 | false), /* pcrel_offset */ | |
466 | ||
467 | /* Delete a 32 bit instruction. */ | |
468 | /* FIXME: Not handled correctly. */ | |
469 | HOWTO (R_MIPS_DELETE, /* type */ | |
470 | 0, /* rightshift */ | |
471 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
472 | 0, /* bitsize */ | |
473 | false, /* pc_relative */ | |
474 | 0, /* bitpos */ | |
475 | complain_overflow_dont, /* complain_on_overflow */ | |
476 | bfd_elf_generic_reloc, /* special_function */ | |
477 | "R_MIPS_DELETE", /* name */ | |
478 | false, /* partial_inplace */ | |
479 | 0, /* src_mask */ | |
480 | 0, /* dst_mask */ | |
481 | false), /* pcrel_offset */ | |
482 | ||
483 | /* Get the higher value of a 64 bit addend. */ | |
484 | /* FIXME: Not handled correctly. */ | |
485 | HOWTO (R_MIPS_HIGHER, /* type */ | |
486 | 0, /* rightshift */ | |
487 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
488 | 16, /* bitsize */ | |
489 | false, /* pc_relative */ | |
490 | 0, /* bitpos */ | |
491 | complain_overflow_dont, /* complain_on_overflow */ | |
492 | bfd_elf_generic_reloc, /* special_function */ | |
493 | "R_MIPS_HIGHER", /* name */ | |
494 | true, /* partial_inplace */ | |
495 | 0xffff, /* src_mask */ | |
496 | 0xffff, /* dst_mask */ | |
497 | false), /* pcrel_offset */ | |
498 | ||
499 | /* Get the highest value of a 64 bit addend. */ | |
500 | /* FIXME: Not handled correctly. */ | |
501 | HOWTO (R_MIPS_HIGHEST, /* type */ | |
502 | 0, /* rightshift */ | |
503 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
504 | 16, /* bitsize */ | |
505 | false, /* pc_relative */ | |
506 | 0, /* bitpos */ | |
507 | complain_overflow_dont, /* complain_on_overflow */ | |
508 | bfd_elf_generic_reloc, /* special_function */ | |
509 | "R_MIPS_HIGHEST", /* name */ | |
510 | true, /* partial_inplace */ | |
511 | 0xffff, /* src_mask */ | |
512 | 0xffff, /* dst_mask */ | |
513 | false), /* pcrel_offset */ | |
514 | ||
515 | /* High 16 bits of displacement in global offset table. */ | |
516 | /* FIXME: Not handled correctly. */ | |
517 | HOWTO (R_MIPS_CALL_HI16, /* type */ | |
518 | 0, /* rightshift */ | |
519 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
520 | 16, /* bitsize */ | |
521 | false, /* pc_relative */ | |
522 | 0, /* bitpos */ | |
523 | complain_overflow_dont, /* complain_on_overflow */ | |
524 | bfd_elf_generic_reloc, /* special_function */ | |
525 | "R_MIPS_CALL_HI16", /* name */ | |
526 | true, /* partial_inplace */ | |
527 | 0x0000ffff, /* src_mask */ | |
528 | 0x0000ffff, /* dst_mask */ | |
529 | false), /* pcrel_offset */ | |
530 | ||
531 | /* Low 16 bits of displacement in global offset table. */ | |
532 | /* FIXME: Not handled correctly. */ | |
533 | HOWTO (R_MIPS_CALL_LO16, /* type */ | |
534 | 0, /* rightshift */ | |
535 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
536 | 16, /* bitsize */ | |
537 | false, /* pc_relative */ | |
538 | 0, /* bitpos */ | |
539 | complain_overflow_dont, /* complain_on_overflow */ | |
540 | bfd_elf_generic_reloc, /* special_function */ | |
541 | "R_MIPS_CALL_LO16", /* name */ | |
542 | true, /* partial_inplace */ | |
543 | 0x0000ffff, /* src_mask */ | |
544 | 0x0000ffff, /* dst_mask */ | |
545 | false), /* pcrel_offset */ | |
546 | ||
547 | /* I'm not sure what the remaining relocs are, but they are defined | |
548 | on Irix 6. */ | |
549 | ||
550 | HOWTO (R_MIPS_SCN_DISP, /* type */ | |
551 | 0, /* rightshift */ | |
552 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
553 | 0, /* bitsize */ | |
554 | false, /* pc_relative */ | |
555 | 0, /* bitpos */ | |
556 | complain_overflow_dont, /* complain_on_overflow */ | |
557 | bfd_elf_generic_reloc, /* special_function */ | |
558 | "R_MIPS_SCN_DISP", /* name */ | |
559 | false, /* partial_inplace */ | |
560 | 0, /* src_mask */ | |
561 | 0, /* dst_mask */ | |
562 | false), /* pcrel_offset */ | |
563 | ||
564 | HOWTO (R_MIPS_REL16, /* type */ | |
565 | 0, /* rightshift */ | |
566 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
567 | 0, /* bitsize */ | |
568 | false, /* pc_relative */ | |
569 | 0, /* bitpos */ | |
570 | complain_overflow_dont, /* complain_on_overflow */ | |
571 | bfd_elf_generic_reloc, /* special_function */ | |
572 | "R_MIPS_REL16", /* name */ | |
573 | false, /* partial_inplace */ | |
574 | 0, /* src_mask */ | |
575 | 0, /* dst_mask */ | |
576 | false), /* pcrel_offset */ | |
577 | ||
578 | HOWTO (R_MIPS_ADD_IMMEDIATE, /* type */ | |
579 | 0, /* rightshift */ | |
580 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
581 | 0, /* bitsize */ | |
582 | false, /* pc_relative */ | |
583 | 0, /* bitpos */ | |
584 | complain_overflow_dont, /* complain_on_overflow */ | |
585 | bfd_elf_generic_reloc, /* special_function */ | |
586 | "R_MIPS_ADD_IMMEDIATE", /* name */ | |
587 | false, /* partial_inplace */ | |
588 | 0, /* src_mask */ | |
589 | 0, /* dst_mask */ | |
00176555 ILT |
590 | false), /* pcrel_offset */ |
591 | ||
592 | HOWTO (R_MIPS_PJUMP, /* type */ | |
593 | 0, /* rightshift */ | |
594 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
595 | 0, /* bitsize */ | |
596 | false, /* pc_relative */ | |
597 | 0, /* bitpos */ | |
598 | complain_overflow_dont, /* complain_on_overflow */ | |
599 | bfd_elf_generic_reloc, /* special_function */ | |
600 | "R_MIPS_PJUMP", /* name */ | |
601 | false, /* partial_inplace */ | |
602 | 0, /* src_mask */ | |
603 | 0, /* dst_mask */ | |
604 | false), /* pcrel_offset */ | |
605 | ||
606 | HOWTO (R_MIPS_RELGOT, /* type */ | |
607 | 0, /* rightshift */ | |
608 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
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_RELGOT", /* name */ | |
615 | false, /* partial_inplace */ | |
616 | 0, /* src_mask */ | |
617 | 0, /* dst_mask */ | |
d1bf45aa ILT |
618 | false) /* pcrel_offset */ |
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 */ | |
650 | true, /* partial_inplace */ | |
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 */ | |
662 | complain_overflow_bitfield, /* complain_on_overflow */ | |
663 | bfd_elf_generic_reloc, /* special_function */ | |
664 | "R_MIPS_32", /* name */ | |
665 | true, /* partial_inplace */ | |
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 */ | |
677 | complain_overflow_bitfield, /* complain_on_overflow */ | |
678 | bfd_elf_generic_reloc, /* special_function */ | |
679 | "R_MIPS_REL32", /* name */ | |
680 | true, /* partial_inplace */ | |
681 | 0, /* src_mask */ | |
682 | 0xffffffff, /* dst_mask */ | |
683 | false), /* pcrel_offset */ | |
684 | ||
685 | /* 26 bit branch address. */ | |
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 */ | |
693 | /* This needs complex overflow | |
694 | detection, because the upper four | |
695 | bits must match the PC. */ | |
696 | bfd_elf_generic_reloc, /* special_function */ | |
697 | "R_MIPS_26", /* name */ | |
698 | true, /* partial_inplace */ | |
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 */ | |
713 | true, /* partial_inplace */ | |
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 */ | |
728 | true, /* partial_inplace */ | |
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 */ | |
bc05732b | 741 | _bfd_mips_elf_gprel16_reloc, /* special_function */ |
d1bf45aa ILT |
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 */ | |
bc05732b | 756 | _bfd_mips_elf_gprel16_reloc, /* special_function */ |
d1bf45aa ILT |
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. */ | |
bc05732b | 764 | /* FIXME: This is not handled correctly. */ |
d1bf45aa ILT |
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 */ | |
bc05732b | 772 | bfd_elf_generic_reloc, /* special_function */ |
d1bf45aa ILT |
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 */ | |
789 | true, /* partial_inplace */ | |
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 */ | |
bc05732b | 818 | _bfd_mips_elf_gprel32_reloc, /* special_function */ |
d1bf45aa ILT |
819 | "R_MIPS_GPREL32", /* name */ |
820 | true, /* partial_inplace */ | |
821 | 0, /* src_mask */ | |
822 | 0xffffffff, /* dst_mask */ | |
823 | false), /* pcrel_offset */ | |
824 | ||
825 | { 13 }, | |
826 | { 14 }, | |
827 | { 15 }, | |
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 */ | |
839 | true, /* partial_inplace */ | |
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 */ | |
856 | true, /* partial_inplace */ | |
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 */ | |
868 | complain_overflow_bitfield, /* complain_on_overflow */ | |
869 | bfd_elf_generic_reloc, /* special_function */ | |
870 | "R_MIPS_64", /* name */ | |
871 | true, /* partial_inplace */ | |
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 */ | |
884 | complain_overflow_bitfield, /* complain_on_overflow */ | |
885 | bfd_elf_generic_reloc, /* special_function */ | |
886 | "R_MIPS_GOT_DISP", /* name */ | |
887 | true, /* partial_inplace */ | |
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 */ | |
900 | complain_overflow_bitfield, /* complain_on_overflow */ | |
901 | bfd_elf_generic_reloc, /* special_function */ | |
902 | "R_MIPS_GOT_PAGE", /* name */ | |
903 | true, /* partial_inplace */ | |
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 */ | |
916 | complain_overflow_bitfield, /* complain_on_overflow */ | |
917 | bfd_elf_generic_reloc, /* special_function */ | |
918 | "R_MIPS_GOT_OFST", /* name */ | |
919 | true, /* partial_inplace */ | |
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 */ | |
935 | true, /* partial_inplace */ | |
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 */ | |
951 | true, /* partial_inplace */ | |
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 */ | |
964 | complain_overflow_bitfield, /* complain_on_overflow */ | |
965 | bfd_elf_generic_reloc, /* special_function */ | |
966 | "R_MIPS_SUB", /* name */ | |
967 | true, /* partial_inplace */ | |
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 */ | |
976 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
977 | 0, /* bitsize */ | |
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 */ | |
985 | 0, /* dst_mask */ | |
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 */ | |
993 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
994 | 0, /* bitsize */ | |
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 */ | |
1002 | 0, /* dst_mask */ | |
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 */ | |
1009 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
1010 | 0, /* bitsize */ | |
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 */ | |
1018 | 0, /* dst_mask */ | |
1019 | false), /* pcrel_offset */ | |
1020 | ||
1021 | /* Get the higher value of a 64 bit addend. */ | |
1022 | /* FIXME: Not handled correctly. */ | |
1023 | HOWTO (R_MIPS_HIGHER, /* type */ | |
1024 | 0, /* rightshift */ | |
1025 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1026 | 16, /* bitsize */ | |
1027 | false, /* pc_relative */ | |
1028 | 0, /* bitpos */ | |
1029 | complain_overflow_dont, /* complain_on_overflow */ | |
1030 | bfd_elf_generic_reloc, /* special_function */ | |
1031 | "R_MIPS_HIGHER", /* name */ | |
1032 | true, /* partial_inplace */ | |
1033 | 0, /* src_mask */ | |
1034 | 0xffff, /* dst_mask */ | |
1035 | false), /* pcrel_offset */ | |
1036 | ||
1037 | /* Get the highest value of a 64 bit addend. */ | |
1038 | /* FIXME: Not handled correctly. */ | |
1039 | HOWTO (R_MIPS_HIGHEST, /* type */ | |
1040 | 0, /* rightshift */ | |
1041 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1042 | 16, /* bitsize */ | |
1043 | false, /* pc_relative */ | |
1044 | 0, /* bitpos */ | |
1045 | complain_overflow_dont, /* complain_on_overflow */ | |
1046 | bfd_elf_generic_reloc, /* special_function */ | |
1047 | "R_MIPS_HIGHEST", /* name */ | |
1048 | true, /* partial_inplace */ | |
1049 | 0, /* src_mask */ | |
1050 | 0xffff, /* dst_mask */ | |
1051 | false), /* pcrel_offset */ | |
1052 | ||
1053 | /* High 16 bits of displacement in global offset table. */ | |
1054 | /* FIXME: Not handled correctly. */ | |
1055 | HOWTO (R_MIPS_CALL_HI16, /* type */ | |
1056 | 0, /* rightshift */ | |
1057 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1058 | 16, /* bitsize */ | |
1059 | false, /* pc_relative */ | |
1060 | 0, /* bitpos */ | |
1061 | complain_overflow_dont, /* complain_on_overflow */ | |
1062 | bfd_elf_generic_reloc, /* special_function */ | |
1063 | "R_MIPS_CALL_HI16", /* name */ | |
1064 | true, /* partial_inplace */ | |
1065 | 0, /* src_mask */ | |
1066 | 0x0000ffff, /* dst_mask */ | |
1067 | false), /* pcrel_offset */ | |
1068 | ||
1069 | /* Low 16 bits of displacement in global offset table. */ | |
1070 | /* FIXME: Not handled correctly. */ | |
1071 | HOWTO (R_MIPS_CALL_LO16, /* type */ | |
1072 | 0, /* rightshift */ | |
1073 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1074 | 16, /* bitsize */ | |
1075 | false, /* pc_relative */ | |
1076 | 0, /* bitpos */ | |
1077 | complain_overflow_dont, /* complain_on_overflow */ | |
1078 | bfd_elf_generic_reloc, /* special_function */ | |
1079 | "R_MIPS_CALL_LO16", /* name */ | |
1080 | true, /* partial_inplace */ | |
1081 | 0, /* src_mask */ | |
1082 | 0x0000ffff, /* dst_mask */ | |
1083 | false), /* pcrel_offset */ | |
1084 | ||
1085 | /* I'm not sure what the remaining relocs are, but they are defined | |
1086 | on Irix 6. */ | |
1087 | ||
1088 | HOWTO (R_MIPS_SCN_DISP, /* type */ | |
1089 | 0, /* rightshift */ | |
1090 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
1091 | 0, /* bitsize */ | |
1092 | false, /* pc_relative */ | |
1093 | 0, /* bitpos */ | |
1094 | complain_overflow_dont, /* complain_on_overflow */ | |
1095 | bfd_elf_generic_reloc, /* special_function */ | |
1096 | "R_MIPS_SCN_DISP", /* name */ | |
1097 | false, /* partial_inplace */ | |
1098 | 0, /* src_mask */ | |
1099 | 0, /* dst_mask */ | |
1100 | false), /* pcrel_offset */ | |
1101 | ||
1102 | HOWTO (R_MIPS_REL16, /* type */ | |
1103 | 0, /* rightshift */ | |
1104 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
1105 | 0, /* bitsize */ | |
1106 | false, /* pc_relative */ | |
1107 | 0, /* bitpos */ | |
1108 | complain_overflow_dont, /* complain_on_overflow */ | |
1109 | bfd_elf_generic_reloc, /* special_function */ | |
1110 | "R_MIPS_REL16", /* name */ | |
1111 | false, /* partial_inplace */ | |
1112 | 0, /* src_mask */ | |
1113 | 0, /* dst_mask */ | |
1114 | false), /* pcrel_offset */ | |
1115 | ||
1116 | HOWTO (R_MIPS_ADD_IMMEDIATE, /* type */ | |
1117 | 0, /* rightshift */ | |
1118 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
1119 | 0, /* bitsize */ | |
1120 | false, /* pc_relative */ | |
1121 | 0, /* bitpos */ | |
1122 | complain_overflow_dont, /* complain_on_overflow */ | |
1123 | bfd_elf_generic_reloc, /* special_function */ | |
1124 | "R_MIPS_ADD_IMMEDIATE", /* name */ | |
1125 | false, /* partial_inplace */ | |
1126 | 0, /* src_mask */ | |
1127 | 0, /* dst_mask */ | |
00176555 ILT |
1128 | false), /* pcrel_offset */ |
1129 | ||
1130 | HOWTO (R_MIPS_PJUMP, /* type */ | |
1131 | 0, /* rightshift */ | |
1132 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
1133 | 0, /* bitsize */ | |
1134 | false, /* pc_relative */ | |
1135 | 0, /* bitpos */ | |
1136 | complain_overflow_dont, /* complain_on_overflow */ | |
1137 | bfd_elf_generic_reloc, /* special_function */ | |
1138 | "R_MIPS_PJUMP", /* name */ | |
1139 | false, /* partial_inplace */ | |
1140 | 0, /* src_mask */ | |
1141 | 0, /* dst_mask */ | |
1142 | false), /* pcrel_offset */ | |
1143 | ||
1144 | HOWTO (R_MIPS_RELGOT, /* type */ | |
1145 | 0, /* rightshift */ | |
1146 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
1147 | 0, /* bitsize */ | |
1148 | false, /* pc_relative */ | |
1149 | 0, /* bitpos */ | |
1150 | complain_overflow_dont, /* complain_on_overflow */ | |
1151 | bfd_elf_generic_reloc, /* special_function */ | |
1152 | "R_MIPS_RELGOT", /* name */ | |
1153 | false, /* partial_inplace */ | |
1154 | 0, /* src_mask */ | |
1155 | 0, /* dst_mask */ | |
d1bf45aa ILT |
1156 | false) /* pcrel_offset */ |
1157 | }; | |
1158 | ||
1159 | /* Swap in a MIPS 64-bit Rel reloc. */ | |
1160 | ||
1161 | static void | |
1162 | mips_elf64_swap_reloc_in (abfd, src, dst) | |
1163 | bfd *abfd; | |
1164 | const Elf64_Mips_External_Rel *src; | |
1165 | Elf64_Mips_Internal_Rel *dst; | |
1166 | { | |
1167 | dst->r_offset = bfd_h_get_64 (abfd, (bfd_byte *) src->r_offset); | |
1168 | dst->r_sym = bfd_h_get_32 (abfd, (bfd_byte *) src->r_sym); | |
1169 | dst->r_ssym = bfd_h_get_8 (abfd, (bfd_byte *) src->r_ssym); | |
1170 | dst->r_type3 = bfd_h_get_8 (abfd, (bfd_byte *) src->r_type3); | |
1171 | dst->r_type2 = bfd_h_get_8 (abfd, (bfd_byte *) src->r_type2); | |
1172 | dst->r_type = bfd_h_get_8 (abfd, (bfd_byte *) src->r_type); | |
1173 | } | |
1174 | ||
1175 | /* Swap in a MIPS 64-bit Rela reloc. */ | |
1176 | ||
1177 | static void | |
1178 | mips_elf64_swap_reloca_in (abfd, src, dst) | |
1179 | bfd *abfd; | |
1180 | const Elf64_Mips_External_Rela *src; | |
1181 | Elf64_Mips_Internal_Rela *dst; | |
1182 | { | |
1183 | dst->r_offset = bfd_h_get_64 (abfd, (bfd_byte *) src->r_offset); | |
1184 | dst->r_sym = bfd_h_get_32 (abfd, (bfd_byte *) src->r_sym); | |
1185 | dst->r_ssym = bfd_h_get_8 (abfd, (bfd_byte *) src->r_ssym); | |
1186 | dst->r_type3 = bfd_h_get_8 (abfd, (bfd_byte *) src->r_type3); | |
1187 | dst->r_type2 = bfd_h_get_8 (abfd, (bfd_byte *) src->r_type2); | |
1188 | dst->r_type = bfd_h_get_8 (abfd, (bfd_byte *) src->r_type); | |
39e4bca4 | 1189 | dst->r_addend = bfd_h_get_signed_64 (abfd, (bfd_byte *) src->r_addend); |
d1bf45aa ILT |
1190 | } |
1191 | ||
00176555 ILT |
1192 | #if 0 |
1193 | ||
1194 | /* This is not currently used. */ | |
1195 | ||
d1bf45aa ILT |
1196 | /* Swap out a MIPS 64-bit Rel reloc. */ |
1197 | ||
1198 | static void | |
1199 | mips_elf64_swap_reloc_out (abfd, src, dst) | |
1200 | bfd *abfd; | |
1201 | const Elf64_Mips_Internal_Rel *src; | |
1202 | Elf64_Mips_External_Rel *dst; | |
1203 | { | |
1204 | bfd_h_put_64 (abfd, src->r_offset, (bfd_byte *) dst->r_offset); | |
1205 | bfd_h_put_32 (abfd, src->r_sym, (bfd_byte *) dst->r_sym); | |
1206 | bfd_h_put_8 (abfd, src->r_ssym, (bfd_byte *) dst->r_ssym); | |
1207 | bfd_h_put_8 (abfd, src->r_type3, (bfd_byte *) dst->r_type3); | |
1208 | bfd_h_put_8 (abfd, src->r_type2, (bfd_byte *) dst->r_type2); | |
1209 | bfd_h_put_8 (abfd, src->r_type, (bfd_byte *) dst->r_type); | |
1210 | } | |
1211 | ||
00176555 ILT |
1212 | #endif /* 0 */ |
1213 | ||
d1bf45aa ILT |
1214 | /* Swap out a MIPS 64-bit Rela reloc. */ |
1215 | ||
1216 | static void | |
1217 | mips_elf64_swap_reloca_out (abfd, src, dst) | |
1218 | bfd *abfd; | |
1219 | const Elf64_Mips_Internal_Rela *src; | |
1220 | Elf64_Mips_External_Rela *dst; | |
1221 | { | |
1222 | bfd_h_put_64 (abfd, src->r_offset, (bfd_byte *) dst->r_offset); | |
1223 | bfd_h_put_32 (abfd, src->r_sym, (bfd_byte *) dst->r_sym); | |
1224 | bfd_h_put_8 (abfd, src->r_ssym, (bfd_byte *) dst->r_ssym); | |
1225 | bfd_h_put_8 (abfd, src->r_type3, (bfd_byte *) dst->r_type3); | |
1226 | bfd_h_put_8 (abfd, src->r_type2, (bfd_byte *) dst->r_type2); | |
1227 | bfd_h_put_8 (abfd, src->r_type, (bfd_byte *) dst->r_type); | |
39e4bca4 | 1228 | bfd_h_put_64 (abfd, src->r_addend, (bfd_byte *) dst->r_addend); |
d1bf45aa ILT |
1229 | } |
1230 | ||
1231 | /* A mapping from BFD reloc types to MIPS ELF reloc types. */ | |
1232 | ||
1233 | struct elf_reloc_map | |
1234 | { | |
1235 | bfd_reloc_code_real_type bfd_reloc_val; | |
1236 | enum mips_elf64_reloc_type elf_reloc_val; | |
1237 | }; | |
1238 | ||
1239 | static CONST struct elf_reloc_map mips_reloc_map[] = | |
1240 | { | |
1241 | { BFD_RELOC_NONE, R_MIPS_NONE, }, | |
1242 | { BFD_RELOC_16, R_MIPS_16 }, | |
1243 | { BFD_RELOC_32, R_MIPS_32 }, | |
1244 | { BFD_RELOC_64, R_MIPS_64 }, | |
1245 | { BFD_RELOC_CTOR, R_MIPS_64 }, | |
1246 | { BFD_RELOC_32_PCREL, R_MIPS_REL32 }, | |
1247 | { BFD_RELOC_MIPS_JMP, R_MIPS_26 }, | |
1248 | { BFD_RELOC_HI16_S, R_MIPS_HI16 }, | |
1249 | { BFD_RELOC_LO16, R_MIPS_LO16 }, | |
1250 | { BFD_RELOC_MIPS_GPREL, R_MIPS_GPREL16 }, | |
1251 | { BFD_RELOC_MIPS_LITERAL, R_MIPS_LITERAL }, | |
1252 | { BFD_RELOC_MIPS_GOT16, R_MIPS_GOT16 }, | |
1253 | { BFD_RELOC_16_PCREL, R_MIPS_PC16 }, | |
1254 | { BFD_RELOC_MIPS_CALL16, R_MIPS_CALL16 }, | |
1255 | { BFD_RELOC_MIPS_GPREL32, R_MIPS_GPREL32 }, | |
1256 | { BFD_RELOC_MIPS_GOT_HI16, R_MIPS_GOT_HI16 }, | |
1257 | { BFD_RELOC_MIPS_GOT_LO16, R_MIPS_GOT_LO16 }, | |
1258 | { BFD_RELOC_MIPS_CALL_HI16, R_MIPS_CALL_HI16 }, | |
1259 | { BFD_RELOC_MIPS_CALL_LO16, R_MIPS_CALL_LO16 } | |
1260 | }; | |
1261 | ||
1262 | /* Given a BFD reloc type, return a howto structure. */ | |
1263 | ||
1264 | static reloc_howto_type * | |
1265 | mips_elf64_reloc_type_lookup (abfd, code) | |
1266 | bfd *abfd; | |
1267 | bfd_reloc_code_real_type code; | |
1268 | { | |
1269 | unsigned int i; | |
1270 | ||
1271 | for (i = 0; i < sizeof (mips_reloc_map) / sizeof (struct elf_reloc_map); i++) | |
1272 | { | |
1273 | if (mips_reloc_map[i].bfd_reloc_val == code) | |
1274 | { | |
1275 | int v; | |
1276 | ||
1277 | v = (int) mips_reloc_map[i].elf_reloc_val; | |
1278 | return &mips_elf64_howto_table_rel[v]; | |
1279 | } | |
1280 | } | |
1281 | ||
1282 | return NULL; | |
1283 | } | |
1284 | ||
00176555 ILT |
1285 | /* Since each entry in an SHT_REL or SHT_RELA section can represent up |
1286 | to three relocs, we must tell the user to allocate more space. */ | |
1287 | ||
1288 | static long | |
1289 | mips_elf64_get_reloc_upper_bound (abfd, sec) | |
1290 | bfd *abfd; | |
1291 | asection *sec; | |
1292 | { | |
1293 | return (sec->reloc_count * 3 + 1) * sizeof (arelent *); | |
1294 | } | |
1295 | ||
d1bf45aa ILT |
1296 | /* Read the relocations from one reloc section. */ |
1297 | ||
1298 | static boolean | |
1299 | mips_elf64_slurp_one_reloc_table (abfd, asect, symbols, rel_hdr) | |
1300 | bfd *abfd; | |
1301 | asection *asect; | |
1302 | asymbol **symbols; | |
1303 | const Elf_Internal_Shdr *rel_hdr; | |
1304 | { | |
1305 | PTR allocated = NULL; | |
1306 | bfd_byte *native_relocs; | |
1307 | arelent *relents; | |
1308 | arelent *relent; | |
1309 | unsigned int count; | |
1310 | unsigned int i; | |
1311 | int entsize; | |
1312 | reloc_howto_type *howto_table; | |
1313 | ||
1314 | allocated = (PTR) bfd_malloc (rel_hdr->sh_size); | |
1315 | if (allocated == NULL) | |
1316 | goto error_return; | |
1317 | ||
1318 | if (bfd_seek (abfd, rel_hdr->sh_offset, SEEK_SET) != 0 | |
1319 | || (bfd_read (allocated, 1, rel_hdr->sh_size, abfd) != rel_hdr->sh_size)) | |
1320 | goto error_return; | |
1321 | ||
1322 | native_relocs = (bfd_byte *) allocated; | |
1323 | ||
1324 | relents = asect->relocation + asect->reloc_count; | |
1325 | ||
1326 | entsize = rel_hdr->sh_entsize; | |
1327 | BFD_ASSERT (entsize == sizeof (Elf64_Mips_External_Rel) | |
1328 | || entsize == sizeof (Elf64_Mips_External_Rela)); | |
1329 | ||
1330 | count = rel_hdr->sh_size / entsize; | |
1331 | ||
1332 | if (entsize == sizeof (Elf64_Mips_External_Rel)) | |
1333 | howto_table = mips_elf64_howto_table_rel; | |
1334 | else | |
1335 | howto_table = mips_elf64_howto_table_rela; | |
1336 | ||
1337 | relent = relents; | |
1338 | for (i = 0; i < count; i++, native_relocs += entsize) | |
1339 | { | |
1340 | Elf64_Mips_Internal_Rela rela; | |
1341 | boolean used_sym, used_ssym; | |
1342 | int ir; | |
1343 | ||
1344 | if (entsize == sizeof (Elf64_Mips_External_Rela)) | |
1345 | mips_elf64_swap_reloca_in (abfd, | |
1346 | (Elf64_Mips_External_Rela *) native_relocs, | |
1347 | &rela); | |
1348 | else | |
1349 | { | |
1350 | Elf64_Mips_Internal_Rel rel; | |
1351 | ||
1352 | mips_elf64_swap_reloc_in (abfd, | |
1353 | (Elf64_Mips_External_Rel *) native_relocs, | |
1354 | &rel); | |
1355 | rela.r_offset = rel.r_offset; | |
1356 | rela.r_sym = rel.r_sym; | |
1357 | rela.r_ssym = rel.r_ssym; | |
1358 | rela.r_type3 = rel.r_type3; | |
1359 | rela.r_type2 = rel.r_type2; | |
1360 | rela.r_type = rel.r_type; | |
1361 | rela.r_addend = 0; | |
1362 | } | |
1363 | ||
1364 | /* Each entry represents up to three actual relocations. */ | |
1365 | ||
1366 | used_sym = false; | |
1367 | used_ssym = false; | |
1368 | for (ir = 0; ir < 3; ir++) | |
1369 | { | |
1370 | enum mips_elf64_reloc_type type; | |
1371 | ||
1372 | switch (ir) | |
1373 | { | |
1374 | default: | |
1375 | abort (); | |
1376 | case 0: | |
1377 | type = (enum mips_elf64_reloc_type) rela.r_type; | |
1378 | break; | |
1379 | case 1: | |
1380 | type = (enum mips_elf64_reloc_type) rela.r_type2; | |
1381 | break; | |
1382 | case 2: | |
1383 | type = (enum mips_elf64_reloc_type) rela.r_type3; | |
1384 | break; | |
1385 | } | |
1386 | ||
1387 | if (type == R_MIPS_NONE) | |
1388 | { | |
1389 | /* There are no more relocations in this entry. If this | |
1390 | is the first entry, we need to generate a dummy | |
1391 | relocation so that the generic linker knows that | |
1392 | there has been a break in the sequence of relocations | |
1393 | applying to a particular address. */ | |
1394 | if (ir == 0) | |
1395 | { | |
1396 | relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; | |
1397 | if ((abfd->flags & (EXEC_P | DYNAMIC)) == 0) | |
1398 | relent->address = rela.r_offset; | |
1399 | else | |
1400 | relent->address = rela.r_offset - asect->vma; | |
1401 | relent->addend = 0; | |
1402 | relent->howto = &howto_table[(int) R_MIPS_NONE]; | |
1403 | ++relent; | |
1404 | } | |
1405 | break; | |
1406 | } | |
1407 | ||
1408 | /* Some types require symbols, whereas some do not. */ | |
1409 | switch (type) | |
1410 | { | |
1411 | case R_MIPS_NONE: | |
1412 | case R_MIPS_LITERAL: | |
1413 | case R_MIPS_INSERT_A: | |
1414 | case R_MIPS_INSERT_B: | |
1415 | case R_MIPS_DELETE: | |
1416 | relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; | |
1417 | break; | |
1418 | ||
1419 | default: | |
1420 | if (! used_sym) | |
1421 | { | |
1422 | if (rela.r_sym == 0) | |
1423 | relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; | |
1424 | else | |
1425 | { | |
1426 | asymbol **ps, *s; | |
1427 | ||
1428 | ps = symbols + rela.r_sym - 1; | |
1429 | s = *ps; | |
1430 | if ((s->flags & BSF_SECTION_SYM) == 0) | |
1431 | relent->sym_ptr_ptr = ps; | |
1432 | else | |
1433 | relent->sym_ptr_ptr = s->section->symbol_ptr_ptr; | |
1434 | } | |
1435 | ||
1436 | used_sym = true; | |
1437 | } | |
1438 | else if (! used_ssym) | |
1439 | { | |
1440 | switch (rela.r_ssym) | |
1441 | { | |
1442 | case RSS_UNDEF: | |
1443 | relent->sym_ptr_ptr = | |
1444 | bfd_abs_section_ptr->symbol_ptr_ptr; | |
1445 | break; | |
1446 | ||
1447 | case RSS_GP: | |
1448 | case RSS_GP0: | |
1449 | case RSS_LOC: | |
1450 | /* FIXME: I think these need to be handled using | |
1451 | special howto structures. */ | |
1452 | BFD_ASSERT (0); | |
1453 | break; | |
1454 | ||
1455 | default: | |
1456 | BFD_ASSERT (0); | |
1457 | break; | |
1458 | } | |
1459 | ||
1460 | used_ssym = true; | |
1461 | } | |
1462 | else | |
1463 | relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; | |
1464 | ||
1465 | break; | |
1466 | } | |
1467 | ||
1468 | /* The address of an ELF reloc is section relative for an | |
1469 | object file, and absolute for an executable file or | |
1470 | shared library. The address of a BFD reloc is always | |
1471 | section relative. */ | |
1472 | if ((abfd->flags & (EXEC_P | DYNAMIC)) == 0) | |
1473 | relent->address = rela.r_offset; | |
1474 | else | |
1475 | relent->address = rela.r_offset - asect->vma; | |
1476 | ||
1477 | relent->addend = rela.r_addend; | |
1478 | ||
1479 | relent->howto = &howto_table[(int) type]; | |
1480 | ||
1481 | ++relent; | |
1482 | } | |
1483 | } | |
1484 | ||
1485 | asect->reloc_count += relent - relents; | |
1486 | ||
1487 | if (allocated != NULL) | |
1488 | free (allocated); | |
1489 | ||
1490 | return true; | |
1491 | ||
1492 | error_return: | |
1493 | if (allocated != NULL) | |
1494 | free (allocated); | |
1495 | return false; | |
1496 | } | |
1497 | ||
1498 | /* Read the relocations. On Irix 6, there can be two reloc sections | |
1499 | associated with a single data section. */ | |
1500 | ||
1501 | static boolean | |
e35765a9 | 1502 | mips_elf64_slurp_reloc_table (abfd, asect, symbols, dynamic) |
d1bf45aa ILT |
1503 | bfd *abfd; |
1504 | asection *asect; | |
1505 | asymbol **symbols; | |
e35765a9 | 1506 | boolean dynamic; |
d1bf45aa ILT |
1507 | { |
1508 | struct bfd_elf_section_data * const d = elf_section_data (asect); | |
1509 | ||
e35765a9 ILT |
1510 | if (dynamic) |
1511 | { | |
1512 | bfd_set_error (bfd_error_invalid_operation); | |
1513 | return false; | |
1514 | } | |
1515 | ||
d1bf45aa ILT |
1516 | if (asect->relocation != NULL |
1517 | || (asect->flags & SEC_RELOC) == 0 | |
1518 | || asect->reloc_count == 0) | |
1519 | return true; | |
1520 | ||
1521 | /* Allocate space for 3 arelent structures for each Rel structure. */ | |
1522 | asect->relocation = ((arelent *) | |
1523 | bfd_alloc (abfd, | |
1524 | asect->reloc_count * 3 * sizeof (arelent))); | |
1525 | if (asect->relocation == NULL) | |
1526 | return false; | |
1527 | ||
1528 | /* The slurp_one_reloc_table routine increments reloc_count. */ | |
1529 | asect->reloc_count = 0; | |
1530 | ||
1531 | if (! mips_elf64_slurp_one_reloc_table (abfd, asect, symbols, &d->rel_hdr)) | |
1532 | return false; | |
1533 | if (d->rel_hdr2 != NULL) | |
1534 | { | |
1535 | if (! mips_elf64_slurp_one_reloc_table (abfd, asect, symbols, | |
1536 | d->rel_hdr2)) | |
1537 | return false; | |
1538 | } | |
1539 | ||
1540 | return true; | |
1541 | } | |
1542 | ||
1543 | /* Write out the relocations. */ | |
1544 | ||
1545 | static void | |
1546 | mips_elf64_write_relocs (abfd, sec, data) | |
1547 | bfd *abfd; | |
1548 | asection *sec; | |
1549 | PTR data; | |
1550 | { | |
00176555 ILT |
1551 | boolean *failedp = (boolean *) data; |
1552 | unsigned int count; | |
1553 | Elf_Internal_Shdr *rela_hdr; | |
1554 | Elf64_Mips_External_Rela *ext_rela; | |
1555 | unsigned int idx; | |
1556 | asymbol *last_sym = 0; | |
1557 | int last_sym_idx = 0; | |
1558 | ||
1559 | /* If we have already failed, don't do anything. */ | |
1560 | if (*failedp) | |
1561 | return; | |
1562 | ||
1563 | if ((sec->flags & SEC_RELOC) == 0) | |
1564 | return; | |
1565 | ||
1566 | /* The linker backend writes the relocs out itself, and sets the | |
1567 | reloc_count field to zero to inhibit writing them here. Also, | |
1568 | sometimes the SEC_RELOC flag gets set even when there aren't any | |
1569 | relocs. */ | |
1570 | if (sec->reloc_count == 0) | |
1571 | return; | |
1572 | ||
1573 | /* We can combine up to three relocs that refer to the same address | |
1574 | if the latter relocs have no associated symbol. */ | |
1575 | count = 0; | |
1576 | for (idx = 0; idx < sec->reloc_count; idx++) | |
1577 | { | |
1578 | bfd_vma addr; | |
1579 | unsigned int i; | |
1580 | ||
1581 | ++count; | |
1582 | ||
1583 | addr = sec->orelocation[idx]->address; | |
1584 | for (i = 0; i < 2; i++) | |
1585 | { | |
1586 | arelent *r; | |
1587 | ||
1588 | if (idx + 1 >= sec->reloc_count) | |
1589 | break; | |
1590 | r = sec->orelocation[idx + 1]; | |
1591 | if (r->address != addr | |
1592 | || ! bfd_is_abs_section ((*r->sym_ptr_ptr)->section) | |
1593 | || (*r->sym_ptr_ptr)->value != 0) | |
1594 | break; | |
1595 | ||
1596 | /* We can merge the reloc at IDX + 1 with the reloc at IDX. */ | |
1597 | ||
1598 | ++idx; | |
1599 | } | |
1600 | } | |
1601 | ||
1602 | rela_hdr = &elf_section_data (sec)->rel_hdr; | |
1603 | ||
1604 | rela_hdr->sh_size = rela_hdr->sh_entsize * count; | |
1605 | rela_hdr->contents = (PTR) bfd_alloc (abfd, rela_hdr->sh_size); | |
1606 | if (rela_hdr->contents == NULL) | |
1607 | { | |
1608 | *failedp = true; | |
1609 | return; | |
1610 | } | |
1611 | ||
1612 | ext_rela = (Elf64_Mips_External_Rela *) rela_hdr->contents; | |
1613 | for (idx = 0; idx < sec->reloc_count; idx++, ext_rela++) | |
1614 | { | |
1615 | arelent *ptr; | |
1616 | Elf64_Mips_Internal_Rela int_rela; | |
1617 | asymbol *sym; | |
1618 | int n; | |
1619 | unsigned int i; | |
1620 | ||
1621 | ptr = sec->orelocation[idx]; | |
1622 | ||
1623 | /* The address of an ELF reloc is section relative for an object | |
1624 | file, and absolute for an executable file or shared library. | |
1625 | The address of a BFD reloc is always section relative. */ | |
1626 | if ((abfd->flags & (EXEC_P | DYNAMIC)) == 0) | |
1627 | int_rela.r_offset = ptr->address; | |
1628 | else | |
1629 | int_rela.r_offset = ptr->address + sec->vma; | |
1630 | ||
1631 | sym = *ptr->sym_ptr_ptr; | |
1632 | if (sym == last_sym) | |
1633 | n = last_sym_idx; | |
1634 | else | |
1635 | { | |
1636 | last_sym = sym; | |
1637 | n = _bfd_elf_symbol_from_bfd_symbol (abfd, &sym); | |
1638 | if (n < 0) | |
1639 | { | |
1640 | *failedp = true; | |
1641 | return; | |
1642 | } | |
1643 | last_sym_idx = n; | |
1644 | } | |
1645 | ||
1646 | int_rela.r_sym = n; | |
1647 | ||
1648 | int_rela.r_addend = ptr->addend; | |
1649 | ||
1650 | int_rela.r_ssym = RSS_UNDEF; | |
1651 | ||
1652 | if ((*ptr->sym_ptr_ptr)->the_bfd->xvec != abfd->xvec | |
1653 | && ! _bfd_elf_validate_reloc (abfd, ptr)) | |
1654 | { | |
1655 | *failedp = true; | |
1656 | return; | |
1657 | } | |
1658 | ||
1659 | int_rela.r_type = ptr->howto->type; | |
1660 | int_rela.r_type2 = (int) R_MIPS_NONE; | |
1661 | int_rela.r_type3 = (int) R_MIPS_NONE; | |
1662 | ||
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 != ptr->address | |
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 | if (i == 0) | |
1678 | int_rela.r_type2 = r->howto->type; | |
1679 | else | |
1680 | int_rela.r_type3 = r->howto->type; | |
1681 | ||
1682 | ++idx; | |
1683 | } | |
1684 | ||
1685 | mips_elf64_swap_reloca_out (abfd, &int_rela, ext_rela); | |
1686 | } | |
1687 | ||
1688 | BFD_ASSERT (ext_rela - (Elf64_Mips_External_Rela *) rela_hdr->contents | |
1689 | == count); | |
d1bf45aa ILT |
1690 | } |
1691 | \f | |
1692 | /* Handle a 64-bit MIPS ELF specific section. */ | |
1693 | ||
1694 | static boolean | |
1695 | mips_elf64_section_from_shdr (abfd, hdr, name) | |
1696 | bfd *abfd; | |
1697 | Elf_Internal_Shdr *hdr; | |
1698 | char *name; | |
1699 | { | |
1700 | if (! _bfd_mips_elf_section_from_shdr (abfd, hdr, name)) | |
1701 | return false; | |
1702 | ||
bc05732b ILT |
1703 | /* For a SHT_MIPS_OPTIONS section, look for a ODK_REGINFO entry, and |
1704 | set the gp value based on what we find. We may see both | |
1705 | SHT_MIPS_REGINFO and SHT_MIPS_OPTIONS/ODK_REGINFO; in that case, | |
1706 | they should agree. */ | |
1707 | if (hdr->sh_type == SHT_MIPS_OPTIONS) | |
1708 | { | |
1709 | bfd_byte *contents, *l, *lend; | |
1710 | ||
1711 | contents = (bfd_byte *) bfd_malloc (hdr->sh_size); | |
1712 | if (contents == NULL) | |
1713 | return false; | |
1714 | if (! bfd_get_section_contents (abfd, hdr->bfd_section, contents, | |
1715 | (file_ptr) 0, hdr->sh_size)) | |
1716 | { | |
1717 | free (contents); | |
1718 | return false; | |
1719 | } | |
1720 | l = contents; | |
1721 | lend = contents + hdr->sh_size; | |
1722 | while (l + sizeof (Elf_External_Options) <= lend) | |
1723 | { | |
1724 | Elf_Internal_Options intopt; | |
1725 | ||
1726 | bfd_mips_elf_swap_options_in (abfd, (Elf_External_Options *) l, | |
1727 | &intopt); | |
1728 | if (intopt.kind == ODK_REGINFO) | |
1729 | { | |
1730 | Elf64_Internal_RegInfo intreg; | |
1731 | ||
1732 | bfd_mips_elf64_swap_reginfo_in | |
1733 | (abfd, | |
1734 | ((Elf64_External_RegInfo *) | |
1735 | (l + sizeof (Elf_External_Options))), | |
1736 | &intreg); | |
1737 | elf_gp (abfd) = intreg.ri_gp_value; | |
1738 | } | |
1739 | l += intopt.size; | |
1740 | } | |
1741 | free (contents); | |
1742 | } | |
1743 | ||
d1bf45aa ILT |
1744 | return true; |
1745 | } | |
bc05732b ILT |
1746 | |
1747 | /* Work over a section just before writing it out. We update the GP | |
1748 | value in the SHT_MIPS_OPTIONS section based on the value we are | |
1749 | using. */ | |
1750 | ||
1751 | static boolean | |
1752 | mips_elf64_section_processing (abfd, hdr) | |
1753 | bfd *abfd; | |
1754 | Elf_Internal_Shdr *hdr; | |
1755 | { | |
1756 | if (hdr->sh_type == SHT_MIPS_OPTIONS | |
1757 | && hdr->bfd_section != NULL | |
1758 | && elf_section_data (hdr->bfd_section) != NULL | |
1759 | && elf_section_data (hdr->bfd_section)->tdata != NULL) | |
1760 | { | |
1761 | bfd_byte *contents, *l, *lend; | |
1762 | ||
1763 | /* We stored the section contents in the elf_section_data tdata | |
1764 | field in the set_section_contents routine. We save the | |
1765 | section contents so that we don't have to read them again. | |
1766 | At this point we know that elf_gp is set, so we can look | |
1767 | through the section contents to see if there is an | |
1768 | ODK_REGINFO structure. */ | |
1769 | ||
1770 | contents = (bfd_byte *) elf_section_data (hdr->bfd_section)->tdata; | |
1771 | l = contents; | |
1772 | lend = contents + hdr->sh_size; | |
1773 | while (l + sizeof (Elf_External_Options) <= lend) | |
1774 | { | |
1775 | Elf_Internal_Options intopt; | |
1776 | ||
1777 | bfd_mips_elf_swap_options_in (abfd, (Elf_External_Options *) l, | |
1778 | &intopt); | |
1779 | if (intopt.kind == ODK_REGINFO) | |
1780 | { | |
1781 | bfd_byte buf[8]; | |
1782 | ||
1783 | if (bfd_seek (abfd, | |
1784 | (hdr->sh_offset | |
1785 | + (l - contents) | |
1786 | + sizeof (Elf_External_Options) | |
1787 | + (sizeof (Elf64_External_RegInfo) - 8)), | |
1788 | SEEK_SET) == -1) | |
1789 | return false; | |
1790 | bfd_h_put_64 (abfd, elf_gp (abfd), buf); | |
1791 | if (bfd_write (buf, 1, 8, abfd) != 8) | |
1792 | return false; | |
1793 | } | |
1794 | l += intopt.size; | |
1795 | } | |
1796 | } | |
1797 | ||
1798 | return _bfd_mips_elf_section_processing (abfd, hdr); | |
1799 | } | |
00176555 | 1800 | \f |
e35765a9 ILT |
1801 | /* Irix 6 defines a brand new archive map format, so that they can |
1802 | have archives more than 4 GB in size. */ | |
1803 | ||
1804 | /* Read an Irix 6 armap. */ | |
1805 | ||
1806 | static boolean | |
1807 | mips_elf64_slurp_armap (abfd) | |
1808 | bfd *abfd; | |
1809 | { | |
1810 | struct artdata *ardata = bfd_ardata (abfd); | |
1811 | char nextname[17]; | |
1812 | file_ptr arhdrpos; | |
1813 | bfd_size_type i, parsed_size, nsymz, stringsize, carsym_size, ptrsize; | |
1814 | struct areltdata *mapdata; | |
1815 | bfd_byte int_buf[8]; | |
1816 | char *stringbase; | |
1817 | bfd_byte *raw_armap = NULL; | |
1818 | carsym *carsyms; | |
1819 | ||
1820 | ardata->symdefs = NULL; | |
1821 | ||
1822 | /* Get the name of the first element. */ | |
1823 | arhdrpos = bfd_tell (abfd); | |
1824 | i = bfd_read ((PTR) nextname, 1, 16, abfd); | |
1825 | if (i == 0) | |
1826 | return true; | |
1827 | if (i != 16) | |
1828 | return false; | |
1829 | ||
1830 | if (bfd_seek (abfd, (file_ptr) - 16, SEEK_CUR) != 0) | |
1831 | return false; | |
1832 | ||
1833 | /* Archives with traditional armaps are still permitted. */ | |
1834 | if (strncmp (nextname, "/ ", 16) == 0) | |
1835 | return bfd_slurp_armap (abfd); | |
1836 | ||
1837 | if (strncmp (nextname, "/SYM64/ ", 16) != 0) | |
1838 | { | |
1839 | bfd_has_map (abfd) = false; | |
1840 | return true; | |
1841 | } | |
1842 | ||
1843 | mapdata = (struct areltdata *) _bfd_read_ar_hdr (abfd); | |
1844 | if (mapdata == NULL) | |
1845 | return false; | |
1846 | parsed_size = mapdata->parsed_size; | |
1847 | bfd_release (abfd, (PTR) mapdata); | |
1848 | ||
1849 | if (bfd_read (int_buf, 1, 8, abfd) != 8) | |
1850 | { | |
1851 | if (bfd_get_error () != bfd_error_system_call) | |
1852 | bfd_set_error (bfd_error_malformed_archive); | |
1853 | return false; | |
1854 | } | |
1855 | ||
1856 | nsymz = bfd_getb64 (int_buf); | |
1857 | stringsize = parsed_size - 8 * nsymz - 8; | |
1858 | ||
1859 | carsym_size = nsymz * sizeof (carsym); | |
1860 | ptrsize = 8 * nsymz; | |
1861 | ||
1862 | ardata->symdefs = (carsym *) bfd_zalloc (abfd, carsym_size + stringsize + 1); | |
1863 | if (ardata->symdefs == NULL) | |
1864 | return false; | |
1865 | carsyms = ardata->symdefs; | |
1866 | stringbase = ((char *) ardata->symdefs) + carsym_size; | |
1867 | ||
1868 | raw_armap = (bfd_byte *) bfd_alloc (abfd, ptrsize); | |
1869 | if (raw_armap == NULL) | |
1870 | goto error_return; | |
1871 | ||
1872 | if (bfd_read (raw_armap, 1, ptrsize, abfd) != ptrsize | |
1873 | || bfd_read (stringbase, 1, stringsize, abfd) != stringsize) | |
1874 | { | |
1875 | if (bfd_get_error () != bfd_error_system_call) | |
1876 | bfd_set_error (bfd_error_malformed_archive); | |
1877 | goto error_return; | |
1878 | } | |
1879 | ||
1880 | for (i = 0; i < nsymz; i++) | |
1881 | { | |
1882 | carsyms->file_offset = bfd_getb64 (raw_armap + i * 8); | |
1883 | carsyms->name = stringbase; | |
1884 | stringbase += strlen (stringbase) + 1; | |
1885 | ++carsyms; | |
1886 | } | |
1887 | *stringbase = '\0'; | |
1888 | ||
1889 | ardata->symdef_count = nsymz; | |
1890 | ardata->first_file_filepos = arhdrpos + sizeof (struct ar_hdr) + parsed_size; | |
1891 | ||
1892 | bfd_has_map (abfd) = true; | |
1893 | bfd_release (abfd, raw_armap); | |
1894 | ||
1895 | return true; | |
1896 | ||
1897 | error_return: | |
1898 | if (raw_armap != NULL) | |
1899 | bfd_release (abfd, raw_armap); | |
1900 | if (ardata->symdefs != NULL) | |
1901 | bfd_release (abfd, ardata->symdefs); | |
1902 | return false; | |
1903 | } | |
1904 | ||
1905 | /* Write out an Irix 6 armap. The Irix 6 tools are supposed to be | |
1906 | able to handle ordinary ELF armaps, but at least on Irix 6.2 the | |
1907 | linker crashes. */ | |
1908 | ||
1909 | static boolean | |
1910 | mips_elf64_write_armap (arch, elength, map, symbol_count, stridx) | |
1911 | bfd *arch; | |
1912 | unsigned int elength; | |
1913 | struct orl *map; | |
1914 | unsigned int symbol_count; | |
1915 | int stridx; | |
1916 | { | |
1917 | unsigned int ranlibsize = (symbol_count * 8) + 8; | |
1918 | unsigned int stringsize = stridx; | |
1919 | unsigned int mapsize = stringsize + ranlibsize; | |
1920 | file_ptr archive_member_file_ptr; | |
1921 | bfd *current = arch->archive_head; | |
1922 | unsigned int count; | |
1923 | struct ar_hdr hdr; | |
1924 | unsigned int i; | |
1925 | int padding; | |
1926 | bfd_byte buf[8]; | |
1927 | ||
1928 | padding = BFD_ALIGN (mapsize, 8) - mapsize; | |
1929 | mapsize += padding; | |
1930 | ||
1931 | /* work out where the first object file will go in the archive */ | |
1932 | archive_member_file_ptr = (mapsize | |
1933 | + elength | |
1934 | + sizeof (struct ar_hdr) | |
1935 | + SARMAG); | |
1936 | ||
1937 | memset ((char *) (&hdr), 0, sizeof (struct ar_hdr)); | |
1938 | strcpy (hdr.ar_name, "/SYM64/"); | |
1939 | sprintf (hdr.ar_size, "%-10d", (int) mapsize); | |
1940 | sprintf (hdr.ar_date, "%ld", (long) time (NULL)); | |
1941 | /* This, at least, is what Intel coff sets the values to.: */ | |
1942 | sprintf ((hdr.ar_uid), "%d", 0); | |
1943 | sprintf ((hdr.ar_gid), "%d", 0); | |
1944 | sprintf ((hdr.ar_mode), "%-7o", (unsigned) 0); | |
1945 | strncpy (hdr.ar_fmag, ARFMAG, 2); | |
1946 | ||
1947 | for (i = 0; i < sizeof (struct ar_hdr); i++) | |
1948 | if (((char *) (&hdr))[i] == '\0') | |
1949 | (((char *) (&hdr))[i]) = ' '; | |
1950 | ||
1951 | /* Write the ar header for this item and the number of symbols */ | |
1952 | ||
1953 | if (bfd_write ((PTR) &hdr, 1, sizeof (struct ar_hdr), arch) | |
1954 | != sizeof (struct ar_hdr)) | |
1955 | return false; | |
1956 | ||
1957 | bfd_putb64 (symbol_count, buf); | |
1958 | if (bfd_write (buf, 1, 8, arch) != 8) | |
1959 | return false; | |
1960 | ||
1961 | /* Two passes, first write the file offsets for each symbol - | |
1962 | remembering that each offset is on a two byte boundary. */ | |
1963 | ||
1964 | /* Write out the file offset for the file associated with each | |
1965 | symbol, and remember to keep the offsets padded out. */ | |
1966 | ||
1967 | current = arch->archive_head; | |
1968 | count = 0; | |
1969 | while (current != (bfd *) NULL && count < symbol_count) | |
1970 | { | |
1971 | /* For each symbol which is used defined in this object, write out | |
1972 | the object file's address in the archive */ | |
1973 | ||
1974 | while (((bfd *) (map[count]).pos) == current) | |
1975 | { | |
1976 | bfd_putb64 (archive_member_file_ptr, buf); | |
1977 | if (bfd_write (buf, 1, 8, arch) != 8) | |
1978 | return false; | |
1979 | count++; | |
1980 | } | |
1981 | /* Add size of this archive entry */ | |
1982 | archive_member_file_ptr += (arelt_size (current) | |
1983 | + sizeof (struct ar_hdr)); | |
1984 | /* remember about the even alignment */ | |
1985 | archive_member_file_ptr += archive_member_file_ptr % 2; | |
1986 | current = current->next; | |
1987 | } | |
1988 | ||
1989 | /* now write the strings themselves */ | |
1990 | for (count = 0; count < symbol_count; count++) | |
1991 | { | |
1992 | size_t len = strlen (*map[count].name) + 1; | |
1993 | ||
1994 | if (bfd_write (*map[count].name, 1, len, arch) != len) | |
1995 | return false; | |
1996 | } | |
1997 | ||
1998 | /* The spec says that this should be padded to an 8 byte boundary. | |
1999 | However, the Irix 6.2 tools do not appear to do this. */ | |
2000 | while (padding != 0) | |
2001 | { | |
2002 | if (bfd_write ("", 1, 1, arch) != 1) | |
2003 | return false; | |
2004 | --padding; | |
2005 | } | |
2006 | ||
2007 | return true; | |
2008 | } | |
2009 | \f | |
00176555 ILT |
2010 | /* ECOFF swapping routines. These are used when dealing with the |
2011 | .mdebug section, which is in the ECOFF debugging format. */ | |
2012 | static const struct ecoff_debug_swap mips_elf64_ecoff_debug_swap = | |
2013 | { | |
2014 | /* Symbol table magic number. */ | |
2015 | magicSym2, | |
2016 | /* Alignment of debugging information. E.g., 4. */ | |
2017 | 8, | |
2018 | /* Sizes of external symbolic information. */ | |
2019 | sizeof (struct hdr_ext), | |
2020 | sizeof (struct dnr_ext), | |
2021 | sizeof (struct pdr_ext), | |
2022 | sizeof (struct sym_ext), | |
2023 | sizeof (struct opt_ext), | |
2024 | sizeof (struct fdr_ext), | |
2025 | sizeof (struct rfd_ext), | |
2026 | sizeof (struct ext_ext), | |
2027 | /* Functions to swap in external symbolic data. */ | |
2028 | ecoff_swap_hdr_in, | |
2029 | ecoff_swap_dnr_in, | |
2030 | ecoff_swap_pdr_in, | |
2031 | ecoff_swap_sym_in, | |
2032 | ecoff_swap_opt_in, | |
2033 | ecoff_swap_fdr_in, | |
2034 | ecoff_swap_rfd_in, | |
2035 | ecoff_swap_ext_in, | |
2036 | _bfd_ecoff_swap_tir_in, | |
2037 | _bfd_ecoff_swap_rndx_in, | |
2038 | /* Functions to swap out external symbolic data. */ | |
2039 | ecoff_swap_hdr_out, | |
2040 | ecoff_swap_dnr_out, | |
2041 | ecoff_swap_pdr_out, | |
2042 | ecoff_swap_sym_out, | |
2043 | ecoff_swap_opt_out, | |
2044 | ecoff_swap_fdr_out, | |
2045 | ecoff_swap_rfd_out, | |
2046 | ecoff_swap_ext_out, | |
2047 | _bfd_ecoff_swap_tir_out, | |
2048 | _bfd_ecoff_swap_rndx_out, | |
2049 | /* Function to read in symbolic data. */ | |
2050 | _bfd_mips_elf_read_ecoff_info | |
2051 | }; | |
2052 | \f | |
d1bf45aa ILT |
2053 | /* Relocations in the 64 bit MIPS ELF ABI are more complex than in |
2054 | standard ELF. This structure is used to redirect the relocation | |
2055 | handling routines. */ | |
2056 | ||
2057 | const struct elf_size_info mips_elf64_size_info = | |
2058 | { | |
2059 | sizeof (Elf64_External_Ehdr), | |
2060 | sizeof (Elf64_External_Phdr), | |
2061 | sizeof (Elf64_External_Shdr), | |
2062 | sizeof (Elf64_Mips_External_Rel), | |
2063 | sizeof (Elf64_Mips_External_Rela), | |
2064 | sizeof (Elf64_External_Sym), | |
2065 | sizeof (Elf64_External_Dyn), | |
2066 | sizeof (Elf_External_Note), | |
2067 | 64, /* arch_size */ | |
2068 | 8, /* file_align */ | |
2069 | ELFCLASS64, | |
2070 | EV_CURRENT, | |
2071 | bfd_elf64_write_out_phdrs, | |
2072 | bfd_elf64_write_shdrs_and_ehdr, | |
2073 | mips_elf64_write_relocs, | |
2074 | bfd_elf64_swap_symbol_out, | |
2075 | mips_elf64_slurp_reloc_table, | |
2076 | bfd_elf64_slurp_symbol_table, | |
2077 | bfd_elf64_swap_dyn_in | |
2078 | }; | |
2079 | ||
2080 | #define TARGET_LITTLE_SYM bfd_elf64_littlemips_vec | |
2081 | #define TARGET_LITTLE_NAME "elf64-littlemips" | |
2082 | #define TARGET_BIG_SYM bfd_elf64_bigmips_vec | |
2083 | #define TARGET_BIG_NAME "elf64-bigmips" | |
2084 | #define ELF_ARCH bfd_arch_mips | |
2085 | #define ELF_MACHINE_CODE EM_MIPS | |
2086 | #define ELF_MAXPAGESIZE 0x1000 | |
2087 | #define elf_backend_size_info mips_elf64_size_info | |
00176555 | 2088 | #define elf_backend_object_p _bfd_mips_elf_object_p |
d1bf45aa | 2089 | #define elf_backend_section_from_shdr mips_elf64_section_from_shdr |
00176555 ILT |
2090 | #define elf_backend_fake_sections _bfd_mips_elf_fake_sections |
2091 | #define elf_backend_section_from_bfd_section \ | |
2092 | _bfd_mips_elf_section_from_bfd_section | |
bc05732b | 2093 | #define elf_backend_section_processing mips_elf64_section_processing |
00176555 ILT |
2094 | #define elf_backend_symbol_processing _bfd_mips_elf_symbol_processing |
2095 | #define elf_backend_final_write_processing \ | |
2096 | _bfd_mips_elf_final_write_processing | |
2097 | #define elf_backend_ecoff_debug_swap &mips_elf64_ecoff_debug_swap | |
2098 | ||
bc05732b | 2099 | #define bfd_elf64_find_nearest_line _bfd_mips_elf_find_nearest_line |
00176555 | 2100 | #define bfd_elf64_get_reloc_upper_bound mips_elf64_get_reloc_upper_bound |
d1bf45aa | 2101 | #define bfd_elf64_bfd_reloc_type_lookup mips_elf64_reloc_type_lookup |
bc05732b ILT |
2102 | #define bfd_elf64_set_section_contents _bfd_mips_elf_set_section_contents |
2103 | #define bfd_elf64_bfd_copy_private_bfd_data \ | |
2104 | _bfd_mips_elf_copy_private_bfd_data | |
2105 | #define bfd_elf64_bfd_merge_private_bfd_data \ | |
2106 | _bfd_mips_elf_merge_private_bfd_data | |
2107 | #define bfd_elf64_bfd_set_private_flags _bfd_mips_elf_set_private_flags | |
d1bf45aa | 2108 | |
e35765a9 ILT |
2109 | #define bfd_elf64_archive_functions |
2110 | #define bfd_elf64_archive_slurp_armap mips_elf64_slurp_armap | |
2111 | #define bfd_elf64_archive_slurp_extended_name_table \ | |
2112 | _bfd_archive_coff_slurp_extended_name_table | |
2113 | #define bfd_elf64_archive_construct_extended_name_table \ | |
2114 | _bfd_archive_coff_construct_extended_name_table | |
2115 | #define bfd_elf64_archive_truncate_arname \ | |
2116 | _bfd_archive_coff_truncate_arname | |
2117 | #define bfd_elf64_archive_write_armap mips_elf64_write_armap | |
2118 | #define bfd_elf64_archive_read_ar_hdr _bfd_archive_coff_read_ar_hdr | |
2119 | #define bfd_elf64_archive_openr_next_archived_file \ | |
2120 | _bfd_archive_coff_openr_next_archived_file | |
2121 | #define bfd_elf64_archive_get_elt_at_index \ | |
2122 | _bfd_archive_coff_get_elt_at_index | |
2123 | #define bfd_elf64_archive_generic_stat_arch_elt \ | |
2124 | _bfd_archive_coff_generic_stat_arch_elt | |
2125 | #define bfd_elf64_archive_update_armap_timestamp \ | |
2126 | _bfd_archive_coff_update_armap_timestamp | |
2127 | ||
d1bf45aa | 2128 | #include "elf64-target.h" |