Commit | Line | Data |
---|---|---|
01b49cb3 | 1 | /* V850-specific support for 32-bit ELF |
de224d6a | 2 | Copyright (C) 1996, 1997 Free Software Foundation, Inc. |
01b49cb3 C |
3 | |
4 | This file is part of BFD, the Binary File Descriptor library. | |
5 | ||
6 | This program is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 2 of the License, or | |
9 | (at your option) any later version. | |
10 | ||
11 | This program is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with this program; if not, write to the Free Software | |
18 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
19 | ||
90ffe48b JL |
20 | |
21 | ||
22 | /* XXX FIXME: This code is littered with 32bit int, 16bit short, 8bit char | |
23 | dependencies. As is the gas & simulator code or the v850. */ | |
24 | ||
25 | ||
01b49cb3 C |
26 | #include "bfd.h" |
27 | #include "sysdep.h" | |
725b96f5 | 28 | #include "bfdlink.h" |
01b49cb3 C |
29 | #include "libbfd.h" |
30 | #include "elf-bfd.h" | |
de224d6a | 31 | #include "elf/v850.h" |
01b49cb3 | 32 | |
de224d6a | 33 | static reloc_howto_type *v850_elf_reloc_type_lookup |
01b49cb3 | 34 | PARAMS ((bfd *abfd, bfd_reloc_code_real_type code)); |
de224d6a | 35 | static void v850_elf_info_to_howto_rel |
01b49cb3 | 36 | PARAMS ((bfd *, arelent *, Elf32_Internal_Rel *)); |
de224d6a | 37 | static bfd_reloc_status_type v850_elf_reloc |
e73b6ae6 | 38 | PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); |
8988d935 | 39 | static boolean v850_elf_is_local_label_name PARAMS ((bfd *, const char *)); |
de224d6a MM |
40 | static boolean v850_elf_relocate_section PARAMS((bfd *, |
41 | struct bfd_link_info *, | |
42 | bfd *, | |
43 | asection *, | |
44 | bfd_byte *, | |
45 | Elf_Internal_Rela *, | |
46 | Elf_Internal_Sym *, | |
47 | asection **)); | |
01b49cb3 C |
48 | /* Try to minimize the amount of space occupied by relocation tables |
49 | on the ROM (not that the ROM won't be swamped by other ELF overhead). */ | |
50 | #define USE_REL | |
51 | ||
def31039 NC |
52 | /* Note: It is REQUIRED that the 'type' value of each entry in this array |
53 | match the index of the entry in the array. */ | |
de224d6a | 54 | static reloc_howto_type v850_elf_howto_table[] = |
01b49cb3 C |
55 | { |
56 | /* This reloc does nothing. */ | |
de224d6a MM |
57 | HOWTO (R_V850_NONE, /* type */ |
58 | 0, /* rightshift */ | |
59 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
60 | 32, /* bitsize */ | |
61 | false, /* pc_relative */ | |
62 | 0, /* bitpos */ | |
63 | complain_overflow_bitfield, /* complain_on_overflow */ | |
64 | bfd_elf_generic_reloc, /* special_function */ | |
65 | "R_V850_NONE", /* name */ | |
66 | false, /* partial_inplace */ | |
67 | 0, /* src_mask */ | |
68 | 0, /* dst_mask */ | |
69 | false), /* pcrel_offset */ | |
01b49cb3 C |
70 | |
71 | /* A PC relative 9 bit branch. */ | |
de224d6a MM |
72 | HOWTO (R_V850_9_PCREL, /* type */ |
73 | 2, /* rightshift */ | |
74 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
75 | 26, /* bitsize */ | |
76 | true, /* pc_relative */ | |
77 | 0, /* bitpos */ | |
78 | complain_overflow_bitfield, /* complain_on_overflow */ | |
79 | v850_elf_reloc, /* special_function */ | |
80 | "R_V850_9_PCREL", /* name */ | |
81 | false, /* partial_inplace */ | |
82 | 0x00ffffff, /* src_mask */ | |
83 | 0x00ffffff, /* dst_mask */ | |
84 | true), /* pcrel_offset */ | |
01b49cb3 C |
85 | |
86 | /* A PC relative 22 bit branch. */ | |
de224d6a MM |
87 | HOWTO (R_V850_22_PCREL, /* type */ |
88 | 2, /* rightshift */ | |
89 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
90 | 22, /* bitsize */ | |
91 | true, /* pc_relative */ | |
92 | 7, /* bitpos */ | |
93 | complain_overflow_signed, /* complain_on_overflow */ | |
94 | v850_elf_reloc, /* special_function */ | |
95 | "R_V850_22_PCREL", /* name */ | |
96 | false, /* partial_inplace */ | |
97 | 0x07ffff80, /* src_mask */ | |
98 | 0x07ffff80, /* dst_mask */ | |
99 | true), /* pcrel_offset */ | |
01b49cb3 C |
100 | |
101 | /* High 16 bits of symbol value. */ | |
de224d6a MM |
102 | HOWTO (R_V850_HI16_S, /* type */ |
103 | 0, /* rightshift */ | |
104 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
105 | 16, /* bitsize */ | |
106 | false, /* pc_relative */ | |
107 | 0, /* bitpos */ | |
108 | complain_overflow_dont, /* complain_on_overflow */ | |
109 | v850_elf_reloc, /* special_function */ | |
110 | "R_V850_HI16_S", /* name */ | |
111 | true, /* partial_inplace */ | |
112 | 0xffff, /* src_mask */ | |
113 | 0xffff, /* dst_mask */ | |
114 | false), /* pcrel_offset */ | |
01b49cb3 C |
115 | |
116 | /* High 16 bits of symbol value. */ | |
de224d6a MM |
117 | HOWTO (R_V850_HI16, /* type */ |
118 | 0, /* rightshift */ | |
119 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
120 | 16, /* bitsize */ | |
121 | false, /* pc_relative */ | |
122 | 0, /* bitpos */ | |
123 | complain_overflow_dont, /* complain_on_overflow */ | |
124 | v850_elf_reloc, /* special_function */ | |
125 | "R_V850_HI16", /* name */ | |
126 | true, /* partial_inplace */ | |
127 | 0xffff, /* src_mask */ | |
128 | 0xffff, /* dst_mask */ | |
129 | false), /* pcrel_offset */ | |
01b49cb3 C |
130 | |
131 | /* Low 16 bits of symbol value. */ | |
de224d6a MM |
132 | HOWTO (R_V850_LO16, /* type */ |
133 | 0, /* rightshift */ | |
134 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
135 | 16, /* bitsize */ | |
136 | false, /* pc_relative */ | |
137 | 0, /* bitpos */ | |
138 | complain_overflow_dont, /* complain_on_overflow */ | |
8988d935 | 139 | v850_elf_reloc, /* special_function */ |
de224d6a MM |
140 | "R_V850_LO16", /* name */ |
141 | true, /* partial_inplace */ | |
142 | 0xffff, /* src_mask */ | |
143 | 0xffff, /* dst_mask */ | |
144 | false), /* pcrel_offset */ | |
237b5c4c JL |
145 | |
146 | /* Simple 32bit reloc. */ | |
de224d6a MM |
147 | HOWTO (R_V850_32, /* type */ |
148 | 0, /* rightshift */ | |
149 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
150 | 32, /* bitsize */ | |
151 | false, /* pc_relative */ | |
152 | 0, /* bitpos */ | |
153 | complain_overflow_dont, /* complain_on_overflow */ | |
154 | bfd_elf_generic_reloc, /* special_function */ | |
155 | "R_V850_32", /* name */ | |
156 | true, /* partial_inplace */ | |
157 | 0xffffffff, /* src_mask */ | |
158 | 0xffffffff, /* dst_mask */ | |
159 | false), /* pcrel_offset */ | |
237b5c4c JL |
160 | |
161 | /* Simple 16bit reloc. */ | |
de224d6a MM |
162 | HOWTO (R_V850_16, /* type */ |
163 | 0, /* rightshift */ | |
164 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
165 | 16, /* bitsize */ | |
166 | false, /* pc_relative */ | |
167 | 0, /* bitpos */ | |
168 | complain_overflow_dont, /* complain_on_overflow */ | |
169 | bfd_elf_generic_reloc, /* special_function */ | |
170 | "R_V850_16", /* name */ | |
171 | true, /* partial_inplace */ | |
172 | 0xffff, /* src_mask */ | |
173 | 0xffff, /* dst_mask */ | |
174 | false), /* pcrel_offset */ | |
afaed5e9 MM |
175 | |
176 | /* Simple 8bit reloc. */ | |
de224d6a MM |
177 | HOWTO (R_V850_8, /* type */ |
178 | 0, /* rightshift */ | |
179 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
180 | 8, /* bitsize */ | |
181 | false, /* pc_relative */ | |
182 | 0, /* bitpos */ | |
183 | complain_overflow_dont, /* complain_on_overflow */ | |
184 | bfd_elf_generic_reloc, /* special_function */ | |
185 | "R_V850_8", /* name */ | |
186 | true, /* partial_inplace */ | |
187 | 0xff, /* src_mask */ | |
188 | 0xff, /* dst_mask */ | |
189 | false), /* pcrel_offset */ | |
b6d08fce | 190 | |
def31039 NC |
191 | /* 16 bit offset from the short data area pointer. */ |
192 | HOWTO (R_V850_SDA_16_16_OFFSET, /* type */ | |
de224d6a MM |
193 | 0, /* rightshift */ |
194 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
195 | 16, /* bitsize */ | |
196 | false, /* pc_relative */ | |
197 | 0, /* bitpos */ | |
198 | complain_overflow_dont, /* complain_on_overflow */ | |
8988d935 | 199 | v850_elf_reloc, /* special_function */ |
def31039 NC |
200 | "R_V850_SDA_16_16_OFFSET", /* name */ |
201 | false, /* partial_inplace */ | |
de224d6a MM |
202 | 0xffff, /* src_mask */ |
203 | 0xffff, /* dst_mask */ | |
204 | false), /* pcrel_offset */ | |
b6d08fce | 205 | |
def31039 NC |
206 | /* 15 bit offset from the short data area pointer. */ |
207 | HOWTO (R_V850_SDA_15_16_OFFSET, /* type */ | |
208 | 1, /* rightshift */ | |
209 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
210 | 16, /* bitsize */ | |
211 | false, /* pc_relative */ | |
212 | 1, /* bitpos */ | |
213 | complain_overflow_dont, /* complain_on_overflow */ | |
214 | v850_elf_reloc, /* special_function */ | |
215 | "R_V850_SDA_15_16_OFFSET", /* name */ | |
216 | false, /* partial_inplace */ | |
217 | 0xfffe, /* src_mask */ | |
218 | 0xfffe, /* dst_mask */ | |
219 | false), /* pcrel_offset */ | |
220 | ||
221 | /* 16 bit offset from the zero data area pointer. */ | |
222 | HOWTO (R_V850_ZDA_16_16_OFFSET, /* type */ | |
de224d6a MM |
223 | 0, /* rightshift */ |
224 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
225 | 16, /* bitsize */ | |
226 | false, /* pc_relative */ | |
227 | 0, /* bitpos */ | |
228 | complain_overflow_dont, /* complain_on_overflow */ | |
8988d935 | 229 | v850_elf_reloc, /* special_function */ |
def31039 NC |
230 | "R_V850_ZDA_16_16_OFFSET", /* name */ |
231 | false, /* partial_inplace */ | |
de224d6a MM |
232 | 0xffff, /* src_mask */ |
233 | 0xffff, /* dst_mask */ | |
234 | false), /* pcrel_offset */ | |
b6d08fce | 235 | |
def31039 NC |
236 | /* 15 bit offset from the zero data area pointer. */ |
237 | HOWTO (R_V850_ZDA_15_16_OFFSET, /* type */ | |
238 | 1, /* rightshift */ | |
239 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
240 | 16, /* bitsize */ | |
241 | false, /* pc_relative */ | |
242 | 1, /* bitpos */ | |
243 | complain_overflow_dont, /* complain_on_overflow */ | |
244 | v850_elf_reloc, /* special_function */ | |
245 | "R_V850_ZDA_15_16_OFFSET", /* name */ | |
246 | false, /* partial_inplace */ | |
247 | 0xfffe, /* src_mask */ | |
248 | 0xfffe, /* dst_mask */ | |
249 | false), /* pcrel_offset */ | |
250 | ||
251 | /* 6 bit offset from the tiny data area pointer. */ | |
252 | HOWTO (R_V850_TDA_6_8_OFFSET, /* type */ | |
253 | 2, /* rightshift */ | |
254 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
255 | 8, /* bitsize */ | |
256 | false, /* pc_relative */ | |
257 | 1, /* bitpos */ | |
258 | complain_overflow_dont, /* complain_on_overflow */ | |
259 | v850_elf_reloc, /* special_function */ | |
260 | "R_V850_TDA_6_8_OFFSET", /* name */ | |
261 | false, /* partial_inplace */ | |
262 | 0x7e, /* src_mask */ | |
263 | 0x7e, /* dst_mask */ | |
264 | false), /* pcrel_offset */ | |
265 | ||
266 | /* 8 bit offset from the tiny data area pointer. */ | |
267 | HOWTO (R_V850_TDA_7_8_OFFSET, /* type */ | |
268 | 1, /* rightshift */ | |
269 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
270 | 8, /* bitsize */ | |
271 | false, /* pc_relative */ | |
272 | 0, /* bitpos */ | |
273 | complain_overflow_dont, /* complain_on_overflow */ | |
274 | v850_elf_reloc, /* special_function */ | |
275 | "R_V850_TDA_7_8_OFFSET", /* name */ | |
276 | false, /* partial_inplace */ | |
277 | 0x7f, /* src_mask */ | |
278 | 0x7f, /* dst_mask */ | |
279 | false), /* pcrel_offset */ | |
280 | ||
281 | /* 7 bit offset from the tiny data area pointer. */ | |
282 | HOWTO (R_V850_TDA_7_7_OFFSET, /* type */ | |
283 | 0, /* rightshift */ | |
284 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
285 | 7, /* bitsize */ | |
286 | false, /* pc_relative */ | |
287 | 0, /* bitpos */ | |
288 | complain_overflow_dont, /* complain_on_overflow */ | |
289 | v850_elf_reloc, /* special_function */ | |
290 | "R_V850_TDA_7_7_OFFSET", /* name */ | |
291 | false, /* partial_inplace */ | |
292 | 0x7f, /* src_mask */ | |
293 | 0x7f, /* dst_mask */ | |
294 | false), /* pcrel_offset */ | |
295 | ||
296 | /* start-sanitize-v850e */ | |
297 | ||
298 | /* 5 bit offset from the tiny data area pointer. */ | |
299 | HOWTO (R_V850_TDA_4_5_OFFSET, /* type */ | |
300 | 1, /* rightshift */ | |
301 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
302 | 5, /* bitsize */ | |
303 | false, /* pc_relative */ | |
304 | 0, /* bitpos */ | |
305 | complain_overflow_dont, /* complain_on_overflow */ | |
306 | v850_elf_reloc, /* special_function */ | |
307 | "R_V850_TDA_4_5_OFFSET", /* name */ | |
308 | false, /* partial_inplace */ | |
309 | 0x0f, /* src_mask */ | |
310 | 0x0f, /* dst_mask */ | |
311 | false), /* pcrel_offset */ | |
312 | ||
313 | /* 4 bit offset from the tiny data area pointer. */ | |
314 | HOWTO (R_V850_TDA_4_4_OFFSET, /* type */ | |
315 | 0, /* rightshift */ | |
316 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
317 | 4, /* bitsize */ | |
318 | false, /* pc_relative */ | |
319 | 0, /* bitpos */ | |
320 | complain_overflow_dont, /* complain_on_overflow */ | |
321 | v850_elf_reloc, /* special_function */ | |
322 | "R_V850_TDA_4_4_OFFSET", /* name */ | |
323 | false, /* partial_inplace */ | |
324 | 0x0f, /* src_mask */ | |
325 | 0x0f, /* dst_mask */ | |
326 | false), /* pcrel_offset */ | |
327 | ||
328 | /* 16 bit offset from the short data area pointer. */ | |
329 | HOWTO (R_V850_SDA_16_16_SPLIT_OFFSET, /* type */ | |
de224d6a MM |
330 | 0, /* rightshift */ |
331 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
def31039 | 332 | 16, /* bitsize */ |
de224d6a MM |
333 | false, /* pc_relative */ |
334 | 0, /* bitpos */ | |
335 | complain_overflow_dont, /* complain_on_overflow */ | |
8988d935 | 336 | v850_elf_reloc, /* special_function */ |
def31039 NC |
337 | "R_V850_SDA_16_16_SPLIT_OFFSET",/* name */ |
338 | false, /* partial_inplace */ | |
339 | 0xfffe0020, /* src_mask */ | |
340 | 0xfffe0020, /* dst_mask */ | |
de224d6a | 341 | false), /* pcrel_offset */ |
b6d08fce | 342 | |
def31039 NC |
343 | /* 16 bit offset from the zero data area pointer. */ |
344 | HOWTO (R_V850_ZDA_16_16_SPLIT_OFFSET, /* type */ | |
345 | 0, /* rightshift */ | |
346 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
347 | 16, /* bitsize */ | |
348 | false, /* pc_relative */ | |
349 | 0, /* bitpos */ | |
350 | complain_overflow_dont, /* complain_on_overflow */ | |
351 | v850_elf_reloc, /* special_function */ | |
352 | "R_V850_ZDA_16_16_SPLIT_OFFSET",/* name */ | |
353 | false, /* partial_inplace */ | |
354 | 0xfffe0020, /* src_mask */ | |
355 | 0xfffe0020, /* dst_mask */ | |
356 | false), /* pcrel_offset */ | |
357 | ||
358 | /* end-sanitize-v850e */ | |
01b49cb3 C |
359 | }; |
360 | ||
361 | /* Map BFD reloc types to V850 ELF reloc types. */ | |
362 | ||
de224d6a | 363 | struct v850_elf_reloc_map |
01b49cb3 C |
364 | { |
365 | unsigned char bfd_reloc_val; | |
366 | unsigned char elf_reloc_val; | |
367 | }; | |
368 | ||
de224d6a | 369 | static const struct v850_elf_reloc_map v850_elf_reloc_map[] = |
01b49cb3 | 370 | { |
def31039 NC |
371 | { BFD_RELOC_NONE, R_V850_NONE }, |
372 | { BFD_RELOC_V850_9_PCREL, R_V850_9_PCREL }, | |
def31039 NC |
373 | { BFD_RELOC_V850_22_PCREL, R_V850_22_PCREL }, |
374 | { BFD_RELOC_HI16_S, R_V850_HI16_S }, | |
375 | { BFD_RELOC_HI16, R_V850_HI16 }, | |
376 | { BFD_RELOC_LO16, R_V850_LO16 }, | |
377 | { BFD_RELOC_32, R_V850_32 }, | |
378 | { BFD_RELOC_16, R_V850_16 }, | |
379 | { BFD_RELOC_8, R_V850_8 }, | |
380 | { BFD_RELOC_V850_SDA_16_16_OFFSET, R_V850_SDA_16_16_OFFSET }, | |
381 | { BFD_RELOC_V850_SDA_15_16_OFFSET, R_V850_SDA_15_16_OFFSET }, | |
382 | { BFD_RELOC_V850_ZDA_16_16_OFFSET, R_V850_ZDA_16_16_OFFSET }, | |
383 | { BFD_RELOC_V850_ZDA_15_16_OFFSET, R_V850_ZDA_15_16_OFFSET }, | |
384 | { BFD_RELOC_V850_TDA_6_8_OFFSET, R_V850_TDA_6_8_OFFSET }, | |
385 | { BFD_RELOC_V850_TDA_7_8_OFFSET, R_V850_TDA_7_8_OFFSET }, | |
386 | { BFD_RELOC_V850_TDA_7_7_OFFSET, R_V850_TDA_7_7_OFFSET }, | |
387 | /* start-sanitize-v850e */ | |
388 | { BFD_RELOC_V850_TDA_4_5_OFFSET, R_V850_TDA_4_5_OFFSET }, | |
389 | { BFD_RELOC_V850_TDA_4_4_OFFSET, R_V850_TDA_4_4_OFFSET }, | |
390 | { BFD_RELOC_V850_SDA_16_16_SPLIT_OFFSET, R_V850_SDA_16_16_SPLIT_OFFSET }, | |
391 | { BFD_RELOC_V850_ZDA_16_16_SPLIT_OFFSET, R_V850_ZDA_16_16_SPLIT_OFFSET }, | |
392 | /* end-sanitize-v850e */ | |
01b49cb3 C |
393 | }; |
394 | ||
de224d6a MM |
395 | \f |
396 | /* Map a bfd relocation into the appropriate howto structure */ | |
01b49cb3 | 397 | static reloc_howto_type * |
de224d6a | 398 | v850_elf_reloc_type_lookup (abfd, code) |
01b49cb3 C |
399 | bfd *abfd; |
400 | bfd_reloc_code_real_type code; | |
401 | { | |
402 | unsigned int i; | |
403 | ||
404 | for (i = 0; | |
de224d6a | 405 | i < sizeof (v850_elf_reloc_map) / sizeof (struct v850_elf_reloc_map); |
01b49cb3 C |
406 | i++) |
407 | { | |
de224d6a | 408 | if (v850_elf_reloc_map[i].bfd_reloc_val == code) |
def31039 NC |
409 | { |
410 | BFD_ASSERT (v850_elf_howto_table[v850_elf_reloc_map[i].elf_reloc_val].type == v850_elf_reloc_map[i].elf_reloc_val); | |
411 | ||
412 | return & v850_elf_howto_table[v850_elf_reloc_map[i].elf_reloc_val]; | |
413 | } | |
01b49cb3 C |
414 | } |
415 | ||
416 | return NULL; | |
417 | } | |
418 | ||
de224d6a | 419 | \f |
01b49cb3 | 420 | /* Set the howto pointer for an V850 ELF reloc. */ |
01b49cb3 | 421 | static void |
de224d6a | 422 | v850_elf_info_to_howto_rel (abfd, cache_ptr, dst) |
01b49cb3 C |
423 | bfd *abfd; |
424 | arelent *cache_ptr; | |
425 | Elf32_Internal_Rel *dst; | |
426 | { | |
427 | unsigned int r_type; | |
428 | ||
429 | r_type = ELF32_R_TYPE (dst->r_info); | |
430 | BFD_ASSERT (r_type < (unsigned int) R_V850_max); | |
de224d6a MM |
431 | cache_ptr->howto = &v850_elf_howto_table[r_type]; |
432 | } | |
433 | ||
434 | \f | |
435 | /* Look through the relocs for a section during the first phase, and | |
436 | allocate space in the global offset table or procedure linkage | |
437 | table. */ | |
438 | ||
439 | static boolean | |
440 | v850_elf_check_relocs (abfd, info, sec, relocs) | |
441 | bfd *abfd; | |
442 | struct bfd_link_info *info; | |
443 | asection *sec; | |
444 | const Elf_Internal_Rela *relocs; | |
445 | { | |
446 | boolean ret = true; | |
447 | bfd *dynobj; | |
448 | Elf_Internal_Shdr *symtab_hdr; | |
449 | struct elf_link_hash_entry **sym_hashes; | |
450 | const Elf_Internal_Rela *rel; | |
451 | const Elf_Internal_Rela *rel_end; | |
452 | asection *sreloc; | |
453 | enum reloc_type r_type; | |
454 | int other = 0; | |
455 | const char *common = (const char *)0; | |
456 | ||
457 | if (info->relocateable) | |
458 | return true; | |
459 | ||
460 | #ifdef DEBUG | |
461 | fprintf (stderr, "v850_elf_check_relocs called for section %s in %s\n", | |
462 | bfd_get_section_name (abfd, sec), | |
463 | bfd_get_filename (abfd)); | |
464 | #endif | |
465 | ||
466 | dynobj = elf_hash_table (info)->dynobj; | |
467 | symtab_hdr = &elf_tdata (abfd)->symtab_hdr; | |
468 | sym_hashes = elf_sym_hashes (abfd); | |
469 | sreloc = NULL; | |
470 | ||
471 | rel_end = relocs + sec->reloc_count; | |
472 | for (rel = relocs; rel < rel_end; rel++) | |
473 | { | |
474 | unsigned long r_symndx; | |
475 | struct elf_link_hash_entry *h; | |
476 | ||
477 | r_symndx = ELF32_R_SYM (rel->r_info); | |
478 | if (r_symndx < symtab_hdr->sh_info) | |
479 | h = NULL; | |
480 | else | |
481 | h = sym_hashes[r_symndx - symtab_hdr->sh_info]; | |
482 | ||
483 | r_type = (enum reloc_type) ELF32_R_TYPE (rel->r_info); | |
484 | switch (r_type) | |
485 | { | |
486 | default: | |
487 | case R_V850_NONE: | |
488 | case R_V850_9_PCREL: | |
489 | case R_V850_22_PCREL: | |
490 | case R_V850_HI16_S: | |
491 | case R_V850_HI16: | |
492 | case R_V850_LO16: | |
493 | case R_V850_32: | |
494 | case R_V850_16: | |
495 | case R_V850_8: | |
496 | break; | |
497 | ||
def31039 NC |
498 | /* start-sanitize-v850e */ |
499 | case R_V850_SDA_16_16_SPLIT_OFFSET: | |
500 | /* end-sanitize-v850e */ | |
501 | case R_V850_SDA_16_16_OFFSET: | |
502 | case R_V850_SDA_15_16_OFFSET: | |
de224d6a MM |
503 | other = V850_OTHER_SDA; |
504 | common = ".scommon"; | |
505 | goto small_data_common; | |
def31039 NC |
506 | |
507 | /* start-sanitize-v850e */ | |
508 | case R_V850_ZDA_16_16_SPLIT_OFFSET: | |
509 | /* end-sanitize-v850e */ | |
510 | case R_V850_ZDA_16_16_OFFSET: | |
511 | case R_V850_ZDA_15_16_OFFSET: | |
de224d6a MM |
512 | other = V850_OTHER_ZDA; |
513 | common = ".zcommon"; | |
514 | goto small_data_common; | |
def31039 NC |
515 | |
516 | /* start-sanitize-v850e */ | |
517 | case R_V850_TDA_4_5_OFFSET: | |
518 | case R_V850_TDA_4_4_OFFSET: | |
2cf9a0d0 | 519 | /* end-sanitize-v850e */ |
def31039 NC |
520 | case R_V850_TDA_6_8_OFFSET: |
521 | case R_V850_TDA_7_8_OFFSET: | |
522 | case R_V850_TDA_7_7_OFFSET: | |
de224d6a MM |
523 | other = V850_OTHER_TDA; |
524 | common = ".tcommon"; | |
525 | /* fall through */ | |
526 | ||
527 | #define V850_OTHER_MASK (V850_OTHER_TDA | V850_OTHER_SDA | V850_OTHER_ZDA) | |
528 | ||
529 | small_data_common: | |
530 | if (h) | |
531 | { | |
532 | h->other |= other; /* flag which type of relocation was used */ | |
533 | if ((h->other & V850_OTHER_MASK) != (other & V850_OTHER_MASK) | |
534 | && (h->other & V850_OTHER_ERROR) == 0) | |
535 | { | |
536 | const char *msg; | |
537 | ||
538 | switch (h->other & V850_OTHER_MASK) | |
539 | { | |
540 | default: | |
541 | msg = "Variable cannot occupy in multiple small data regions"; | |
542 | break; | |
543 | case V850_OTHER_SDA | V850_OTHER_ZDA | V850_OTHER_TDA: | |
544 | msg = "Variable can only be in one of the small, zero, and tiny data regions"; | |
545 | break; | |
546 | case V850_OTHER_SDA | V850_OTHER_ZDA: | |
547 | msg = "Variable cannot be in both small and zero data regions simultaneously"; | |
548 | break; | |
549 | case V850_OTHER_SDA | V850_OTHER_TDA: | |
550 | msg = "Variable cannot be in both small and tiny data regions simultaneously"; | |
551 | break; | |
552 | case V850_OTHER_ZDA | V850_OTHER_TDA: | |
553 | msg = "Variable cannot be in both zero and tiny data regions simultaneously"; | |
554 | break; | |
555 | } | |
556 | ||
557 | (*info->callbacks->warning) (info, msg, h->root.root.string, | |
558 | abfd, h->root.u.def.section, 0); | |
559 | ||
560 | bfd_set_error (bfd_error_bad_value); | |
561 | h->other |= V850_OTHER_ERROR; | |
562 | ret = false; | |
563 | } | |
564 | } | |
565 | ||
8988d935 | 566 | if (h && h->root.type == bfd_link_hash_common |
de224d6a MM |
567 | && h->root.u.c.p |
568 | && !strcmp (bfd_get_section_name (abfd, h->root.u.c.p->section), "COMMON")) | |
569 | { | |
570 | asection *section = h->root.u.c.p->section = bfd_make_section_old_way (abfd, common); | |
571 | section->flags |= SEC_IS_COMMON; | |
572 | } | |
573 | ||
574 | #ifdef DEBUG | |
575 | fprintf (stderr, "v850_elf_check_relocs, found %s relocation for %s%s\n", | |
576 | v850_elf_howto_table[ (int)r_type ].name, | |
577 | (h && h->root.root.string) ? h->root.root.string : "<unknown>", | |
578 | (h->root.type == bfd_link_hash_common) ? ", symbol is common" : ""); | |
579 | #endif | |
580 | break; | |
581 | } | |
582 | } | |
583 | ||
584 | return ret; | |
01b49cb3 C |
585 | } |
586 | ||
de224d6a | 587 | \f |
def31039 | 588 | /* Insert the addend into the instruction. */ |
e73b6ae6 | 589 | static bfd_reloc_status_type |
de224d6a | 590 | v850_elf_reloc (abfd, reloc, symbol, data, isection, obfd, err) |
def31039 NC |
591 | bfd * abfd; |
592 | arelent * reloc; | |
593 | asymbol * symbol; | |
594 | PTR data; | |
595 | asection * isection; | |
596 | bfd * obfd; | |
597 | char ** err; | |
e73b6ae6 | 598 | { |
def31039 NC |
599 | /* If there is an output BFD, |
600 | and the symbol is not a section name (which is only defined at final link time), | |
601 | and either we are not putting the addend into the instruction | |
602 | or the addend is zero, so there is nothing to add into the instruction | |
603 | then just fixup the address and return. */ | |
e73b6ae6 JL |
604 | if (obfd != (bfd *) NULL |
605 | && (symbol->flags & BSF_SECTION_SYM) == 0 | |
606 | && (! reloc->howto->partial_inplace | |
607 | || reloc->addend == 0)) | |
608 | { | |
609 | reloc->address += isection->output_offset; | |
610 | return bfd_reloc_ok; | |
611 | } | |
def31039 | 612 | #if 0 |
e73b6ae6 JL |
613 | else if (obfd != NULL) |
614 | { | |
615 | return bfd_reloc_continue; | |
616 | } | |
def31039 NC |
617 | #endif |
618 | ||
05f1baaa JL |
619 | /* Catch relocs involving undefined symbols. */ |
620 | if (bfd_is_und_section (symbol->section) | |
621 | && (symbol->flags & BSF_WEAK) == 0 | |
622 | && obfd == NULL) | |
623 | return bfd_reloc_undefined; | |
624 | ||
e73b6ae6 JL |
625 | /* We handle final linking of some relocs ourselves. */ |
626 | { | |
627 | long relocation, insn; | |
628 | ||
629 | /* Is the address of the relocation really within the section? */ | |
630 | if (reloc->address > isection->_cooked_size) | |
631 | return bfd_reloc_outofrange; | |
632 | ||
633 | /* Work out which section the relocation is targetted at and the | |
634 | initial relocation command value. */ | |
635 | ||
636 | /* Get symbol value. (Common symbols are special.) */ | |
637 | if (bfd_is_com_section (symbol->section)) | |
638 | relocation = 0; | |
639 | else | |
640 | relocation = symbol->value; | |
641 | ||
642 | /* Convert input-section-relative symbol value to absolute + addend. */ | |
643 | relocation += symbol->section->output_section->vma; | |
644 | relocation += symbol->section->output_offset; | |
645 | relocation += reloc->addend; | |
646 | ||
647 | if (reloc->howto->pc_relative == true) | |
648 | { | |
649 | /* Here the variable relocation holds the final address of the | |
650 | symbol we are relocating against, plus any addend. */ | |
651 | relocation -= isection->output_section->vma + isection->output_offset; | |
652 | ||
653 | /* Deal with pcrel_offset */ | |
654 | relocation -= reloc->address; | |
655 | } | |
656 | ||
657 | /* I've got no clue... */ | |
658 | reloc->addend = 0; | |
659 | ||
8988d935 | 660 | switch (reloc->howto->type) |
e73b6ae6 | 661 | { |
8988d935 | 662 | default: |
def31039 | 663 | /* fprintf (stderr, "reloc type %d not SUPPORTED\n", reloc->howto->type ); */ |
8988d935 NC |
664 | return bfd_reloc_notsupported; |
665 | ||
666 | case R_V850_22_PCREL: | |
e73b6ae6 JL |
667 | if (relocation > 0x1ffff || relocation < -0x200000) |
668 | return bfd_reloc_overflow; | |
669 | ||
670 | if ((relocation % 2) != 0) | |
671 | return bfd_reloc_dangerous; | |
672 | ||
673 | insn = bfd_get_32 (abfd, (bfd_byte *) data + reloc->address); | |
e1d98a0a | 674 | insn &= ~0xfffe003f; |
e73b6ae6 JL |
675 | insn |= (((relocation & 0xfffe) << 16) |
676 | | ((relocation & 0x3f0000) >> 16)); | |
677 | bfd_put_32 (abfd, insn, (bfd_byte *)data + reloc->address); | |
678 | return bfd_reloc_ok; | |
8988d935 | 679 | |
8988d935 | 680 | case R_V850_9_PCREL: |
e73b6ae6 JL |
681 | if (relocation > 0xff || relocation < -0x100) |
682 | return bfd_reloc_overflow; | |
683 | ||
684 | if ((relocation % 2) != 0) | |
685 | return bfd_reloc_dangerous; | |
686 | ||
687 | insn = bfd_get_16 (abfd, (bfd_byte *) data + reloc->address); | |
8988d935 | 688 | insn &= ~ 0xf870; |
e73b6ae6 JL |
689 | insn |= ((relocation & 0x1f0) << 7) | ((relocation & 0x0e) << 3); |
690 | bfd_put_16 (abfd, insn, (bfd_byte *)data + reloc->address); | |
691 | return bfd_reloc_ok; | |
8988d935 NC |
692 | |
693 | case R_V850_HI16_S: | |
1336da39 | 694 | relocation += bfd_get_16 (abfd, (bfd_byte *) data + reloc->address); |
e73b6ae6 JL |
695 | relocation = (relocation >> 16) + ((relocation & 0x8000) != 0); |
696 | bfd_put_16 (abfd, relocation, (bfd_byte *)data + reloc->address); | |
697 | return bfd_reloc_ok; | |
8988d935 NC |
698 | |
699 | case R_V850_HI16: | |
1336da39 | 700 | relocation += bfd_get_16 (abfd, (bfd_byte *) data + reloc->address); |
e73b6ae6 JL |
701 | relocation = (relocation >> 16); |
702 | bfd_put_16 (abfd, relocation, (bfd_byte *)data + reloc->address); | |
703 | return bfd_reloc_ok; | |
8988d935 NC |
704 | |
705 | case R_V850_16: | |
def31039 | 706 | case R_V850_LO16: |
8988d935 | 707 | relocation += (short)bfd_get_16 (abfd, (bfd_byte *) data + reloc->address); |
def31039 NC |
708 | |
709 | case R_V850_SDA_16_16_OFFSET: | |
710 | case R_V850_ZDA_16_16_OFFSET: | |
8988d935 NC |
711 | if ((long)relocation > 0x7fff || (long)relocation < -0x8000) |
712 | return bfd_reloc_overflow; | |
8988d935 NC |
713 | bfd_put_16 (abfd, relocation, (bfd_byte *)data + reloc->address); |
714 | return bfd_reloc_ok; | |
715 | ||
def31039 NC |
716 | case R_V850_SDA_15_16_OFFSET: |
717 | case R_V850_ZDA_15_16_OFFSET: | |
718 | if ((long)relocation > 0x7ffe || (long)relocation < -0x8000) | |
719 | return bfd_reloc_overflow; | |
8988d935 | 720 | |
def31039 NC |
721 | if (relocation & 1) |
722 | return bfd_reloc_dangerous; | |
723 | ||
724 | insn = bfd_get_16 (abfd, (bfd_byte *) data + reloc->address); | |
725 | insn &= 1; | |
726 | insn |= (relocation >> 1) & ~1; | |
8988d935 | 727 | |
def31039 NC |
728 | bfd_put_16 (abfd, insn, (bfd_byte *)data + reloc->address); |
729 | return bfd_reloc_ok; | |
8988d935 | 730 | |
def31039 NC |
731 | case R_V850_TDA_6_8_OFFSET: |
732 | if ((long) relocation > 0xfc || (long) relocation < 0) | |
733 | return bfd_reloc_overflow; | |
734 | ||
735 | if (relocation & 3) | |
736 | return bfd_reloc_dangerous; | |
737 | ||
738 | insn = bfd_get_16 (abfd, (bfd_byte *) data + reloc->address); | |
739 | insn &= 0xff81; | |
740 | insn |= (relocation >> 1); | |
8988d935 | 741 | |
def31039 NC |
742 | bfd_put_16 (abfd, insn, (bfd_byte *)data + reloc->address); |
743 | return bfd_reloc_ok; | |
744 | ||
745 | case R_V850_TDA_7_8_OFFSET: | |
746 | if ((long) relocation > 0xfe || (long) relocation < 0) | |
747 | return bfd_reloc_overflow; | |
748 | ||
749 | if (relocation & 1) | |
750 | return bfd_reloc_dangerous; | |
751 | ||
752 | insn = bfd_get_16 (abfd, (bfd_byte *) data + reloc->address); | |
753 | insn &= 0xff80; | |
754 | insn |= (relocation >> 1); | |
8988d935 | 755 | |
def31039 NC |
756 | bfd_put_16 (abfd, insn, (bfd_byte *)data + reloc->address); |
757 | return bfd_reloc_ok; | |
758 | ||
759 | case R_V850_TDA_7_7_OFFSET: | |
760 | if ((long) relocation > 0x7f || (long) relocation < 0) | |
761 | return bfd_reloc_overflow; | |
762 | ||
763 | insn = bfd_get_16 (abfd, (bfd_byte *) data + reloc->address); | |
764 | insn &= 0xff80; | |
765 | insn |= relocation; | |
766 | ||
767 | bfd_put_16 (abfd, insn, (bfd_byte *)data + reloc->address); | |
768 | return bfd_reloc_ok; | |
769 | ||
770 | /* start-sanitize-v850e */ | |
771 | case R_V850_TDA_4_5_OFFSET: | |
772 | if ((long) relocation > 0x1e || (long) relocation < 0) | |
773 | return bfd_reloc_overflow; | |
774 | ||
775 | if (relocation & 1) | |
776 | return bfd_reloc_dangerous; | |
777 | ||
778 | insn = bfd_get_16 (abfd, (bfd_byte *) data + reloc->address); | |
779 | insn &= 0xfff0; | |
780 | insn |= (relocation >> 1); | |
781 | ||
782 | bfd_put_16 (abfd, insn, (bfd_byte *)data + reloc->address); | |
783 | return bfd_reloc_ok; | |
784 | ||
785 | case R_V850_TDA_4_4_OFFSET: | |
786 | if ((long) relocation > 0xf || (long) relocation < 0) | |
787 | return bfd_reloc_overflow; | |
788 | ||
789 | insn = bfd_get_16 (abfd, (bfd_byte *) data + reloc->address); | |
790 | insn &= 0xfff0; | |
791 | insn |= relocation; | |
792 | ||
793 | bfd_put_16 (abfd, insn, (bfd_byte *)data + reloc->address); | |
794 | return bfd_reloc_ok; | |
795 | ||
796 | case R_V850_ZDA_16_16_SPLIT_OFFSET: | |
797 | case R_V850_SDA_16_16_SPLIT_OFFSET: | |
798 | if ((long) relocation > 0xffff || (long) relocation < 0) | |
799 | return bfd_reloc_overflow; | |
800 | ||
801 | insn = bfd_get_32 (abfd, (bfd_byte *) data + reloc->address); | |
802 | ||
def31039 NC |
803 | insn &= 0x0001ffdf; |
804 | insn |= (relocation & 1) << 5; | |
805 | insn |= (relocation & ~1) << 16; | |
806 | ||
807 | bfd_put_32 (abfd, insn, (bfd_byte *)data + reloc->address); | |
808 | return bfd_reloc_ok; | |
809 | /* end-sanitize-v850e */ | |
e73b6ae6 JL |
810 | } |
811 | } | |
812 | ||
813 | return bfd_reloc_continue; | |
814 | } | |
815 | ||
de224d6a | 816 | \f |
1336da39 SG |
817 | /*ARGSUSED*/ |
818 | static boolean | |
8988d935 | 819 | v850_elf_is_local_label_name (abfd, name) |
1336da39 | 820 | bfd *abfd; |
8988d935 | 821 | const char *name; |
1336da39 | 822 | { |
8988d935 NC |
823 | return ((name[0] == '.' && (name[1] == 'L' || name[1] == '.')) |
824 | || (name[0] == '_' && name[1] == '.' && name[2] == 'L' | |
825 | && name[3] == '_')); | |
1336da39 SG |
826 | } |
827 | ||
de224d6a | 828 | \f |
725b96f5 JL |
829 | /* Perform a relocation as part of a final link. */ |
830 | static bfd_reloc_status_type | |
de224d6a | 831 | v850_elf_final_link_relocate (howto, input_bfd, output_bfd, |
725b96f5 JL |
832 | input_section, contents, offset, value, |
833 | addend, info, sym_sec, is_local) | |
def31039 NC |
834 | reloc_howto_type * howto; |
835 | bfd * input_bfd; | |
836 | bfd * output_bfd; | |
837 | asection * input_section; | |
838 | bfd_byte * contents; | |
839 | bfd_vma offset; | |
840 | bfd_vma value; | |
841 | bfd_vma addend; | |
842 | struct bfd_link_info * info; | |
843 | asection * sym_sec; | |
844 | int is_local; | |
725b96f5 | 845 | { |
def31039 NC |
846 | unsigned long insn; |
847 | unsigned long r_type = howto->type; | |
848 | bfd_byte * hit_data = contents + offset; | |
725b96f5 JL |
849 | |
850 | switch (r_type) | |
851 | { | |
852 | case R_V850_9_PCREL: | |
853 | value -= (input_section->output_section->vma | |
854 | + input_section->output_offset); | |
855 | value -= offset; | |
856 | ||
857 | if ((long)value > 0xff || (long)value < -0x100) | |
858 | return bfd_reloc_overflow; | |
859 | ||
860 | if ((value % 2) != 0) | |
861 | return bfd_reloc_dangerous; | |
862 | ||
863 | insn = bfd_get_16 (input_bfd, hit_data); | |
c322f1b5 | 864 | insn &= 0x078f; |
725b96f5 JL |
865 | insn |= ((value & 0x1f0) << 7) | ((value & 0x0e) << 3); |
866 | bfd_put_16 (input_bfd, insn, hit_data); | |
867 | return bfd_reloc_ok; | |
868 | ||
869 | case R_V850_22_PCREL: | |
870 | value -= (input_section->output_section->vma | |
871 | + input_section->output_offset); | |
872 | value -= offset; | |
873 | ||
874 | if ((long)value > 0x1ffff || (long)value < -0x200000) | |
875 | return bfd_reloc_overflow; | |
876 | ||
877 | if ((value % 2) != 0) | |
878 | return bfd_reloc_dangerous; | |
879 | ||
880 | insn = bfd_get_32 (input_bfd, hit_data); | |
c322f1b5 | 881 | insn &= 0x1ffc0; |
725b96f5 JL |
882 | insn |= (((value & 0xfffe) << 16) | ((value & 0x3f0000) >> 16)); |
883 | bfd_put_32 (input_bfd, insn, hit_data); | |
884 | return bfd_reloc_ok; | |
885 | ||
886 | case R_V850_HI16_S: | |
90ffe48b | 887 | value += (short)bfd_get_16 (input_bfd, hit_data); |
725b96f5 JL |
888 | value = (value >> 16) + ((value & 0x8000) != 0); |
889 | ||
890 | if ((long)value > 0x7fff || (long)value < -0x8000) | |
891 | return bfd_reloc_overflow; | |
892 | ||
893 | bfd_put_16 (input_bfd, value, hit_data); | |
894 | return bfd_reloc_ok; | |
895 | ||
896 | case R_V850_HI16: | |
90ffe48b | 897 | value += (short)bfd_get_16 (input_bfd, hit_data); |
725b96f5 JL |
898 | value >>= 16; |
899 | ||
900 | if ((long)value > 0x7fff || (long)value < -0x8000) | |
901 | return bfd_reloc_overflow; | |
902 | ||
903 | bfd_put_16 (input_bfd, value, hit_data); | |
904 | return bfd_reloc_ok; | |
905 | ||
906 | case R_V850_LO16: | |
90ffe48b | 907 | value += (short)bfd_get_16 (input_bfd, hit_data); |
725b96f5 JL |
908 | value &= 0xffff; |
909 | ||
910 | bfd_put_16 (input_bfd, value, hit_data); | |
911 | return bfd_reloc_ok; | |
912 | ||
913 | case R_V850_16: | |
def31039 | 914 | value += (short) bfd_get_16 (input_bfd, hit_data); |
725b96f5 | 915 | |
def31039 NC |
916 | if ((long) value > 0x7fff || (long) value < -0x8000) |
917 | return bfd_reloc_overflow; | |
918 | ||
919 | bfd_put_16 (input_bfd, value, hit_data); | |
920 | return bfd_reloc_ok; | |
921 | ||
922 | case R_V850_ZDA_16_16_OFFSET: | |
923 | value -= sym_sec->output_section->vma; | |
924 | value += (short) bfd_get_16 (input_bfd, hit_data); | |
925 | ||
926 | if ((long) value > 0x7fff || (long) value < -0x8000) | |
725b96f5 JL |
927 | return bfd_reloc_overflow; |
928 | ||
929 | bfd_put_16 (input_bfd, value, hit_data); | |
930 | return bfd_reloc_ok; | |
931 | ||
def31039 NC |
932 | case R_V850_ZDA_15_16_OFFSET: |
933 | insn = bfd_get_16 (input_bfd, hit_data); | |
934 | ||
935 | value -= sym_sec->output_section->vma; | |
936 | value += ((insn & 0xfffe) << 1); | |
937 | ||
938 | if ((long) value > 0x7ffe || (long) value < -0x8000) | |
939 | return bfd_reloc_overflow; | |
940 | ||
941 | value &= ~1; | |
942 | value |= (insn & 1); | |
943 | ||
944 | bfd_put_16 (input_bfd, value, hit_data); | |
945 | return bfd_reloc_ok; | |
946 | ||
725b96f5 JL |
947 | case R_V850_32: |
948 | value += bfd_get_32 (input_bfd, hit_data); | |
949 | bfd_put_32 (input_bfd, value, hit_data); | |
950 | return bfd_reloc_ok; | |
951 | ||
952 | case R_V850_8: | |
90ffe48b | 953 | value += (char)bfd_get_8 (input_bfd, hit_data); |
725b96f5 JL |
954 | |
955 | if ((long)value > 0x7f || (long)value < -0x80) | |
956 | return bfd_reloc_overflow; | |
957 | ||
958 | bfd_put_8 (input_bfd, value, hit_data); | |
959 | return bfd_reloc_ok; | |
960 | ||
def31039 | 961 | case R_V850_SDA_16_16_OFFSET: |
725b96f5 | 962 | { |
def31039 NC |
963 | unsigned long gp; |
964 | struct bfd_link_hash_entry * h; | |
725b96f5 JL |
965 | |
966 | /* Get the value of __gp. */ | |
def31039 | 967 | h = bfd_link_hash_lookup (info->hash, "__gp", false, false, true); |
725b96f5 JL |
968 | if (h == (struct bfd_link_hash_entry *) NULL |
969 | || h->type != bfd_link_hash_defined) | |
def31039 | 970 | return bfd_reloc_other; |
725b96f5 JL |
971 | |
972 | gp = (h->u.def.value | |
973 | + h->u.def.section->output_section->vma | |
974 | + h->u.def.section->output_offset); | |
def31039 NC |
975 | |
976 | value -= sym_sec->output_section->vma; | |
977 | value -= (gp - sym_sec->output_section->vma); | |
978 | value += (short) bfd_get_16 (input_bfd, hit_data); | |
725b96f5 JL |
979 | |
980 | if ((long)value > 0x7fff || (long)value < -0x8000) | |
981 | return bfd_reloc_overflow; | |
982 | ||
983 | bfd_put_16 (input_bfd, value, hit_data); | |
984 | return bfd_reloc_ok; | |
985 | } | |
986 | ||
def31039 | 987 | case R_V850_SDA_15_16_OFFSET: |
725b96f5 | 988 | { |
def31039 NC |
989 | unsigned long gp; |
990 | struct bfd_link_hash_entry * h; | |
991 | ||
992 | /* Get the value of __gp. */ | |
993 | h = bfd_link_hash_lookup (info->hash, "__gp", false, false, true); | |
994 | if (h == (struct bfd_link_hash_entry *) NULL | |
995 | || h->type != bfd_link_hash_defined) | |
996 | return bfd_reloc_other; | |
997 | ||
998 | gp = (h->u.def.value | |
999 | + h->u.def.section->output_section->vma | |
1000 | + h->u.def.section->output_offset); | |
1001 | ||
1002 | value -= sym_sec->output_section->vma; | |
1003 | value -= (gp - sym_sec->output_section->vma); | |
725b96f5 | 1004 | |
def31039 NC |
1005 | insn = bfd_get_16 (input_bfd, hit_data); |
1006 | ||
1007 | value += ((insn & 0xfffe) << 1); | |
1008 | ||
1009 | if ((long)value > 0x7ffe || (long)value < -0x8000) | |
1010 | return bfd_reloc_overflow; | |
1011 | ||
1012 | value &= ~1; | |
1013 | value |= (insn & 1); | |
1014 | ||
1015 | bfd_put_16 (input_bfd, value, hit_data); | |
1016 | return bfd_reloc_ok; | |
1017 | } | |
1018 | ||
1019 | case R_V850_TDA_6_8_OFFSET: | |
1020 | { | |
1021 | unsigned long ep; | |
1022 | struct bfd_link_hash_entry * h; | |
1023 | ||
c322f1b5 | 1024 | insn = bfd_get_16 (input_bfd, hit_data); |
725b96f5 JL |
1025 | |
1026 | /* Get the value of __ep. */ | |
def31039 | 1027 | h = bfd_link_hash_lookup (info->hash, "__ep", false, false, true); |
725b96f5 JL |
1028 | if (h == (struct bfd_link_hash_entry *) NULL |
1029 | || h->type != bfd_link_hash_defined) | |
def31039 | 1030 | return bfd_reloc_continue; /* Actually this indicates that __ep could not be found. */ |
725b96f5 JL |
1031 | |
1032 | ep = (h->u.def.value | |
1033 | + h->u.def.section->output_section->vma | |
1034 | + h->u.def.section->output_offset); | |
def31039 | 1035 | |
725b96f5 | 1036 | value -= ep; |
def31039 NC |
1037 | value += ((insn & 0x7e) << 2); |
1038 | ||
1039 | if ((long) value > 0xfc || (long) value < 0) | |
1040 | return bfd_reloc_overflow; | |
1041 | ||
1042 | if ((value % 2) != 0) | |
1043 | return bfd_reloc_dangerous; | |
1044 | ||
1045 | insn &= 0xff81; | |
1046 | insn |= (value >> 1); | |
725b96f5 | 1047 | |
def31039 NC |
1048 | bfd_put_16 (input_bfd, insn, hit_data); |
1049 | return bfd_reloc_ok; | |
1050 | } | |
1051 | ||
1052 | case R_V850_TDA_7_8_OFFSET: | |
1053 | { | |
1054 | unsigned long ep; | |
1055 | struct bfd_link_hash_entry * h; | |
1056 | ||
1057 | insn = bfd_get_16 (input_bfd, hit_data); | |
725b96f5 | 1058 | |
def31039 NC |
1059 | /* Get the value of __ep. */ |
1060 | h = bfd_link_hash_lookup (info->hash, "__ep", false, false, true); | |
1061 | if (h == (struct bfd_link_hash_entry *) NULL | |
1062 | || h->type != bfd_link_hash_defined) | |
1063 | return bfd_reloc_continue; /* Actually this indicates that __ep could not be found. */ | |
c322f1b5 | 1064 | |
def31039 NC |
1065 | ep = (h->u.def.value |
1066 | + h->u.def.section->output_section->vma | |
1067 | + h->u.def.section->output_offset); | |
1068 | ||
1069 | value -= ep; | |
1070 | value += ((insn & 0x7f) << 1); | |
1071 | ||
1072 | if ((long) value > 0xfe || (long) value < 0) | |
1073 | return bfd_reloc_overflow; | |
1074 | ||
1075 | insn &= 0xff80; | |
1076 | insn |= (value >> 1); | |
1077 | ||
1078 | bfd_put_16 (input_bfd, insn, hit_data); | |
1079 | return bfd_reloc_ok; | |
1080 | } | |
1081 | ||
1082 | case R_V850_TDA_7_7_OFFSET: | |
1083 | { | |
1084 | unsigned long ep; | |
1085 | struct bfd_link_hash_entry * h; | |
1086 | ||
1087 | insn = bfd_get_16 (input_bfd, hit_data); | |
c322f1b5 | 1088 | |
def31039 NC |
1089 | /* Get the value of __ep. */ |
1090 | h = bfd_link_hash_lookup (info->hash, "__ep", false, false, true); | |
1091 | if (h == (struct bfd_link_hash_entry *) NULL | |
1092 | || h->type != bfd_link_hash_defined) | |
1093 | return bfd_reloc_continue; /* Actually this indicates that __ep could not be found. */ | |
c322f1b5 | 1094 | |
def31039 NC |
1095 | ep = (h->u.def.value |
1096 | + h->u.def.section->output_section->vma | |
1097 | + h->u.def.section->output_offset); | |
1098 | value -= ep; | |
1099 | ||
1100 | value += insn & 0x7f; | |
1101 | ||
1102 | if ((long) value > 0x7f || (long) value < 0) | |
1103 | return bfd_reloc_overflow; | |
1104 | ||
1105 | insn &= 0xff80; | |
1106 | insn |= value; | |
1107 | bfd_put_16 (input_bfd, insn, hit_data); | |
1108 | return bfd_reloc_ok; | |
1109 | } | |
1110 | ||
1111 | /* start-sanitize-v850e */ | |
1112 | case R_V850_TDA_4_5_OFFSET: | |
1113 | { | |
1114 | unsigned long ep; | |
1115 | struct bfd_link_hash_entry * h; | |
1116 | ||
1117 | /* Get the value of __ep. */ | |
1118 | h = bfd_link_hash_lookup (info->hash, "__ep", false, false, true); | |
1119 | if (h == (struct bfd_link_hash_entry *) NULL | |
1120 | || h->type != bfd_link_hash_defined) | |
1121 | return bfd_reloc_continue; /* Actually this indicates that __ep could not be found. */ | |
c322f1b5 | 1122 | |
def31039 NC |
1123 | ep = (h->u.def.value |
1124 | + h->u.def.section->output_section->vma | |
1125 | + h->u.def.section->output_offset); | |
1126 | value -= ep; | |
1127 | ||
1128 | insn = bfd_get_16 (input_bfd, hit_data); | |
c322f1b5 | 1129 | |
def31039 NC |
1130 | value += ((insn & 0xf) << 1); |
1131 | ||
1132 | if ((long) value > 0x1e || (long) value < 0) | |
1133 | return bfd_reloc_overflow; | |
1134 | ||
1135 | insn &= 0xfff0; | |
1136 | insn |= (value >> 1); | |
1137 | bfd_put_16 (input_bfd, insn, hit_data); | |
1138 | return bfd_reloc_ok; | |
1139 | } | |
1140 | ||
1141 | case R_V850_TDA_4_4_OFFSET: | |
1142 | { | |
1143 | unsigned long ep; | |
1144 | struct bfd_link_hash_entry * h; | |
1145 | ||
1146 | /* Get the value of __ep. */ | |
1147 | h = bfd_link_hash_lookup (info->hash, "__ep", false, false, true); | |
1148 | if (h == (struct bfd_link_hash_entry *) NULL | |
1149 | || h->type != bfd_link_hash_defined) | |
1150 | return bfd_reloc_continue; /* Actually this indicates that __ep could not be found. */ | |
c322f1b5 | 1151 | |
def31039 NC |
1152 | ep = (h->u.def.value |
1153 | + h->u.def.section->output_section->vma | |
1154 | + h->u.def.section->output_offset); | |
1155 | value -= ep; | |
1156 | ||
1157 | insn = bfd_get_16 (input_bfd, hit_data); | |
c322f1b5 | 1158 | |
def31039 NC |
1159 | value += insn & 0xf; |
1160 | ||
1161 | if ((long) value > 0xf || (long) value < 0) | |
1162 | return bfd_reloc_overflow; | |
1163 | ||
1164 | insn &= 0xfff0; | |
1165 | insn |= value; | |
1166 | bfd_put_16 (input_bfd, insn, hit_data); | |
1167 | return bfd_reloc_ok; | |
1168 | } | |
1169 | ||
1170 | case R_V850_SDA_16_16_SPLIT_OFFSET: | |
1171 | { | |
1172 | unsigned long gp; | |
1173 | struct bfd_link_hash_entry * h; | |
c322f1b5 | 1174 | |
def31039 NC |
1175 | /* Get the value of __gp. */ |
1176 | h = bfd_link_hash_lookup (info->hash, "__gp", false, false, true); | |
1177 | if (h == (struct bfd_link_hash_entry *) NULL | |
1178 | || h->type != bfd_link_hash_defined) | |
1179 | return bfd_reloc_other; | |
c322f1b5 | 1180 | |
def31039 NC |
1181 | gp = (h->u.def.value |
1182 | + h->u.def.section->output_section->vma | |
1183 | + h->u.def.section->output_offset); | |
1184 | ||
1185 | value -= sym_sec->output_section->vma; | |
1186 | value -= (gp - sym_sec->output_section->vma); | |
c322f1b5 | 1187 | |
def31039 NC |
1188 | insn = bfd_get_32 (input_bfd, hit_data); |
1189 | ||
1190 | value += ((insn & 0xfffe0000) >> 16); | |
1191 | value += ((insn & 0x20) >> 5); | |
1192 | ||
1193 | if ((long)value > 0x7fff || (long)value < -0x8000) | |
1194 | return bfd_reloc_overflow; | |
1195 | ||
1196 | insn &= 0x0001ffdf; | |
1197 | insn |= (value & 1) << 5; | |
1198 | insn |= (value & ~1) << 16; | |
1199 | ||
1200 | bfd_put_32 (input_bfd, insn, hit_data); | |
1201 | return bfd_reloc_ok; | |
725b96f5 | 1202 | } |
def31039 NC |
1203 | |
1204 | case R_V850_ZDA_16_16_SPLIT_OFFSET: | |
1205 | insn = bfd_get_32 (input_bfd, hit_data); | |
1206 | ||
1207 | value -= sym_sec->output_section->vma; | |
1208 | value += ((insn & 0xfffe0000) >> 16); | |
1209 | value += ((insn & 0x20) >> 5); | |
1210 | ||
1211 | if ((long)value > 0x7fff || (long)value < -0x8000) | |
1212 | return bfd_reloc_overflow; | |
1213 | ||
1214 | insn &= 0x0001ffdf; | |
1215 | insn |= (value & 1) << 5; | |
1216 | insn |= (value & ~1) << 16; | |
1217 | ||
1218 | bfd_put_32 (input_bfd, insn, hit_data); | |
1219 | return bfd_reloc_ok; | |
1220 | ||
1221 | /* end-sanitize-v850e */ | |
1222 | ||
725b96f5 JL |
1223 | |
1224 | case R_V850_NONE: | |
8988d935 NC |
1225 | return bfd_reloc_ok; |
1226 | ||
725b96f5 | 1227 | default: |
8988d935 | 1228 | return bfd_reloc_notsupported; |
725b96f5 | 1229 | } |
725b96f5 JL |
1230 | } |
1231 | ||
de224d6a | 1232 | \f |
725b96f5 | 1233 | /* Relocate an V850 ELF section. */ |
725b96f5 JL |
1234 | static boolean |
1235 | v850_elf_relocate_section (output_bfd, info, input_bfd, input_section, | |
de224d6a | 1236 | contents, relocs, local_syms, local_sections) |
def31039 NC |
1237 | bfd * output_bfd; |
1238 | struct bfd_link_info * info; | |
1239 | bfd * input_bfd; | |
1240 | asection * input_section; | |
1241 | bfd_byte * contents; | |
1242 | Elf_Internal_Rela * relocs; | |
1243 | Elf_Internal_Sym * local_syms; | |
1244 | asection ** local_sections; | |
725b96f5 | 1245 | { |
def31039 NC |
1246 | Elf_Internal_Shdr * symtab_hdr; |
1247 | struct elf_link_hash_entry ** sym_hashes; | |
1248 | Elf_Internal_Rela * rel; | |
1249 | Elf_Internal_Rela * relend; | |
725b96f5 | 1250 | |
def31039 | 1251 | symtab_hdr = & elf_tdata (input_bfd)->symtab_hdr; |
725b96f5 JL |
1252 | sym_hashes = elf_sym_hashes (input_bfd); |
1253 | ||
def31039 | 1254 | rel = relocs; |
725b96f5 JL |
1255 | relend = relocs + input_section->reloc_count; |
1256 | for (; rel < relend; rel++) | |
1257 | { | |
def31039 NC |
1258 | int r_type; |
1259 | reloc_howto_type * howto; | |
1260 | unsigned long r_symndx; | |
1261 | Elf_Internal_Sym * sym; | |
1262 | asection * sec; | |
1263 | struct elf_link_hash_entry * h; | |
1264 | bfd_vma relocation; | |
1265 | bfd_reloc_status_type r; | |
725b96f5 | 1266 | |
8988d935 | 1267 | r_symndx = ELF32_R_SYM (rel->r_info); |
def31039 NC |
1268 | r_type = ELF32_R_TYPE (rel->r_info); |
1269 | howto = v850_elf_howto_table + r_type; | |
8988d935 | 1270 | |
725b96f5 JL |
1271 | if (info->relocateable) |
1272 | { | |
1273 | /* This is a relocateable link. We don't have to change | |
1274 | anything, unless the reloc is against a section symbol, | |
1275 | in which case we have to adjust according to where the | |
1276 | section symbol winds up in the output section. */ | |
1277 | if (r_symndx < symtab_hdr->sh_info) | |
1278 | { | |
1279 | sym = local_syms + r_symndx; | |
1280 | if (ELF_ST_TYPE (sym->st_info) == STT_SECTION) | |
1281 | { | |
1282 | sec = local_sections[r_symndx]; | |
1283 | rel->r_addend += sec->output_offset + sym->st_value; | |
1284 | } | |
1285 | } | |
1286 | ||
1287 | continue; | |
1288 | } | |
1289 | ||
725b96f5 JL |
1290 | /* This is a final link. */ |
1291 | h = NULL; | |
1292 | sym = NULL; | |
1293 | sec = NULL; | |
1294 | if (r_symndx < symtab_hdr->sh_info) | |
1295 | { | |
1296 | sym = local_syms + r_symndx; | |
1297 | sec = local_sections[r_symndx]; | |
1298 | relocation = (sec->output_section->vma | |
1299 | + sec->output_offset | |
1300 | + sym->st_value); | |
def31039 NC |
1301 | #if 0 |
1302 | { | |
1303 | char * name; | |
1304 | name = bfd_elf_string_from_elf_section (input_bfd, symtab_hdr->sh_link, sym->st_name); | |
1305 | name = (name == NULL) ? "<none>" : name; | |
1306 | fprintf (stderr, "local: sec: %s, sym: %s (%d), value: %x + %x + %x addend %x rel %x\n", sec->name, name, sym->st_name, | |
1307 | sec->output_section->vma, sec->output_offset, sym->st_value, rel->r_addend, rel); | |
1308 | } | |
1309 | #endif | |
725b96f5 JL |
1310 | } |
1311 | else | |
1312 | { | |
1313 | h = sym_hashes[r_symndx - symtab_hdr->sh_info]; | |
def31039 | 1314 | |
725b96f5 JL |
1315 | while (h->root.type == bfd_link_hash_indirect |
1316 | || h->root.type == bfd_link_hash_warning) | |
1317 | h = (struct elf_link_hash_entry *) h->root.u.i.link; | |
def31039 | 1318 | |
725b96f5 JL |
1319 | if (h->root.type == bfd_link_hash_defined |
1320 | || h->root.type == bfd_link_hash_defweak) | |
1321 | { | |
1322 | sec = h->root.u.def.section; | |
1323 | relocation = (h->root.u.def.value | |
1324 | + sec->output_section->vma | |
1325 | + sec->output_offset); | |
1326 | } | |
1327 | else if (h->root.type == bfd_link_hash_undefweak) | |
1328 | relocation = 0; | |
1329 | else | |
1330 | { | |
1331 | if (! ((*info->callbacks->undefined_symbol) | |
1332 | (info, h->root.root.string, input_bfd, | |
1333 | input_section, rel->r_offset))) | |
1334 | return false; | |
1335 | relocation = 0; | |
1336 | } | |
1337 | } | |
1338 | ||
1339 | /* FIXME: We should use the addend, but the COFF relocations | |
1340 | don't. */ | |
de224d6a MM |
1341 | r = v850_elf_final_link_relocate (howto, input_bfd, output_bfd, |
1342 | input_section, | |
1343 | contents, rel->r_offset, | |
1344 | relocation, rel->r_addend, | |
1345 | info, sec, h == NULL); | |
725b96f5 JL |
1346 | |
1347 | if (r != bfd_reloc_ok) | |
1348 | { | |
def31039 NC |
1349 | const char * name; |
1350 | const char * msg = (const char *)0; | |
8988d935 NC |
1351 | |
1352 | if (h != NULL) | |
1353 | name = h->root.root.string; | |
1354 | else | |
1355 | { | |
1356 | name = (bfd_elf_string_from_elf_section | |
1357 | (input_bfd, symtab_hdr->sh_link, sym->st_name)); | |
1358 | if (name == NULL || *name == '\0') | |
1359 | name = bfd_section_name (input_bfd, sec); | |
1360 | } | |
1361 | ||
725b96f5 JL |
1362 | switch (r) |
1363 | { | |
725b96f5 | 1364 | case bfd_reloc_overflow: |
8988d935 NC |
1365 | if (! ((*info->callbacks->reloc_overflow) |
1366 | (info, name, howto->name, (bfd_vma) 0, | |
1367 | input_bfd, input_section, rel->r_offset))) | |
1368 | return false; | |
1369 | break; | |
1370 | ||
1371 | case bfd_reloc_undefined: | |
def31039 | 1372 | fprintf (stderr, "undef2 %s\n", name ); |
8988d935 NC |
1373 | if (! ((*info->callbacks->undefined_symbol) |
1374 | (info, name, input_bfd, input_section, | |
1375 | rel->r_offset))) | |
1376 | return false; | |
1377 | break; | |
1378 | ||
1379 | case bfd_reloc_outofrange: | |
1380 | msg = "internal error: out of range error"; | |
1381 | goto common_error; | |
1382 | ||
1383 | case bfd_reloc_notsupported: | |
1384 | msg = "internal error: unsupported relocation error"; | |
1385 | goto common_error; | |
1386 | ||
1387 | case bfd_reloc_dangerous: | |
def31039 NC |
1388 | msg = "internal error: dangerous relocation"; |
1389 | goto common_error; | |
1390 | ||
1391 | case bfd_reloc_other: | |
1392 | msg = "could not locate special linker symbol __gp"; | |
1393 | goto common_error; | |
1394 | ||
1395 | case bfd_reloc_continue: | |
1396 | msg = "could not locate special linker symbol __ep"; | |
8988d935 NC |
1397 | goto common_error; |
1398 | ||
1399 | default: | |
1400 | msg = "internal error: unknown error"; | |
1401 | /* fall through */ | |
1402 | ||
1403 | common_error: | |
1404 | if (!((*info->callbacks->warning) | |
1405 | (info, msg, name, input_bfd, input_section, | |
1406 | rel->r_offset))) | |
1407 | return false; | |
725b96f5 JL |
1408 | break; |
1409 | } | |
1410 | } | |
1411 | } | |
1412 | ||
1413 | return true; | |
1414 | } | |
01b49cb3 | 1415 | |
8988d935 | 1416 | /* Set the right machine number. */ |
8988d935 NC |
1417 | static boolean |
1418 | v850_elf_object_p (abfd) | |
1419 | bfd *abfd; | |
1420 | { | |
8bef8c30 | 1421 | switch (elf_elfheader (abfd)->e_flags & EF_V850_ARCH) |
8988d935 NC |
1422 | { |
1423 | default: | |
8bef8c30 | 1424 | case E_V850_ARCH: (void) bfd_default_set_arch_mach (abfd, bfd_arch_v850, 0); break; |
8988d935 | 1425 | /* start-sanitize-v850e */ |
8bef8c30 | 1426 | case E_V850E_ARCH: (void) bfd_default_set_arch_mach (abfd, bfd_arch_v850, bfd_mach_v850e); break; |
8988d935 NC |
1427 | /* end-sanitize-v850e */ |
1428 | /* start-sanitize-v850eq */ | |
8bef8c30 | 1429 | case E_V850EQ_ARCH: (void) bfd_default_set_arch_mach (abfd, bfd_arch_v850, bfd_mach_v850eq); break; |
8988d935 NC |
1430 | /* start-sanitize-v850eq */ |
1431 | } | |
1432 | } | |
1433 | ||
8bef8c30 NC |
1434 | /* Store the machine number in the flags field. */ |
1435 | void | |
1436 | v850_elf_final_write_processing (abfd, linker) | |
1437 | bfd * abfd; | |
1438 | boolean linker; | |
1439 | { | |
1440 | unsigned long val; | |
1441 | ||
1442 | switch (bfd_get_mach (abfd)) | |
1443 | { | |
1444 | default: | |
1445 | case 0: val = E_V850_ARCH; break; | |
8988d935 | 1446 | /* start-sanitize-v850e */ |
8bef8c30 | 1447 | case bfd_mach_v850e: val = E_V850E_ARCH; break; |
8988d935 NC |
1448 | /* end-sanitize-v850e */ |
1449 | /* start-sanitize-v850eq */ | |
8bef8c30 | 1450 | case bfd_mach_v850eq: val = E_V850EQ_ARCH; break; |
8988d935 | 1451 | /* end-sanitize-v850eq */ |
8bef8c30 NC |
1452 | } |
1453 | ||
1454 | elf_elfheader (abfd)->e_flags &=~ EF_V850_ARCH; | |
1455 | elf_elfheader (abfd)->e_flags |= val; | |
1456 | } | |
1457 | ||
1458 | /* Function to keep V850 specific file flags. */ | |
1459 | boolean | |
1460 | v850_elf_set_private_flags (abfd, flags) | |
1461 | bfd * abfd; | |
1462 | flagword flags; | |
1463 | { | |
1464 | BFD_ASSERT (!elf_flags_init (abfd) | |
1465 | || elf_elfheader (abfd)->e_flags == flags); | |
1466 | ||
1467 | elf_elfheader (abfd)->e_flags = flags; | |
1468 | elf_flags_init (abfd) = true; | |
1469 | return true; | |
1470 | } | |
1471 | ||
1472 | /* Copy backend specific data from one object module to another */ | |
1473 | boolean | |
1474 | v850_elf_copy_private_bfd_data (ibfd, obfd) | |
1475 | bfd * ibfd; | |
1476 | bfd * obfd; | |
1477 | { | |
1478 | if ( bfd_get_flavour (ibfd) != bfd_target_elf_flavour | |
1479 | || bfd_get_flavour (obfd) != bfd_target_elf_flavour) | |
1480 | return true; | |
1481 | ||
1482 | BFD_ASSERT (!elf_flags_init (obfd) | |
1483 | || (elf_elfheader (obfd)->e_flags | |
1484 | == elf_elfheader (ibfd)->e_flags)); | |
1485 | ||
1486 | elf_gp (obfd) = elf_gp (ibfd); | |
1487 | elf_elfheader (obfd)->e_flags = elf_elfheader (ibfd)->e_flags; | |
1488 | elf_flags_init (obfd) = true; | |
1489 | return true; | |
1490 | } | |
1491 | ||
1492 | /* Merge backend specific data from an object file to the output | |
1493 | object file when linking. */ | |
1494 | boolean | |
1495 | v850_elf_merge_private_bfd_data (ibfd, obfd) | |
1496 | bfd * ibfd; | |
1497 | bfd * obfd; | |
1498 | { | |
1499 | flagword old_flags; | |
1500 | flagword new_flags; | |
1501 | ||
1502 | if ( bfd_get_flavour (ibfd) != bfd_target_elf_flavour | |
1503 | || bfd_get_flavour (obfd) != bfd_target_elf_flavour) | |
1504 | return true; | |
1505 | ||
1506 | new_flags = elf_elfheader (ibfd)->e_flags; | |
1507 | old_flags = elf_elfheader (obfd)->e_flags; | |
1508 | ||
1509 | if (! elf_flags_init (obfd)) | |
1510 | { | |
1511 | elf_flags_init (obfd) = true; | |
1512 | elf_elfheader (obfd)->e_flags = new_flags; | |
1513 | ||
1514 | if (bfd_get_arch (obfd) == bfd_get_arch (ibfd) | |
1515 | && bfd_get_arch_info (obfd)->the_default) | |
1516 | { | |
1517 | return bfd_set_arch_mach (obfd, bfd_get_arch (ibfd), bfd_get_mach (ibfd)); | |
1518 | } | |
1519 | ||
1520 | return true; | |
1521 | } | |
1522 | ||
1523 | /* Check flag compatibility. */ | |
8988d935 | 1524 | |
8bef8c30 NC |
1525 | if (new_flags == old_flags) |
1526 | return true; | |
1527 | ||
1528 | if ((new_flags & EF_V850_ARCH) != (old_flags & EF_V850_ARCH)) | |
1529 | { | |
1530 | _bfd_error_handler ("%s: Architecture mismatch with previous modules", | |
1531 | bfd_get_filename (ibfd)); | |
1532 | bfd_set_error (bfd_error_bad_value); | |
1533 | return false; | |
1534 | } | |
1535 | ||
1536 | return true; | |
1537 | } | |
1538 | /* Display the flags field */ | |
1539 | ||
1540 | static boolean | |
1541 | v850_elf_print_private_bfd_data (abfd, ptr) | |
1542 | bfd * abfd; | |
1543 | PTR ptr; | |
1544 | { | |
1545 | FILE * file = (FILE *) ptr; | |
1546 | ||
1547 | BFD_ASSERT (abfd != NULL && ptr != NULL) | |
1548 | ||
1549 | fprintf (file, "private flags = %x", elf_elfheader (abfd)->e_flags); | |
1550 | ||
1551 | switch (elf_elfheader (abfd)->e_flags & EF_V850_ARCH) | |
1552 | { | |
1553 | default: | |
98ab32a5 | 1554 | case E_V850_ARCH: fprintf (file, ": v850 architecture"); break; |
8bef8c30 | 1555 | /* start-sanitize-v850e */ |
98ab32a5 | 1556 | case E_V850E_ARCH: fprintf (file, ": v850e architecture"); break; |
8bef8c30 NC |
1557 | /* end-sanitize-v850e */ |
1558 | /* start-sanitize-v850eq */ | |
98ab32a5 | 1559 | case E_V850EQ_ARCH: fprintf (file, ": v850eq architecture"); break; |
8bef8c30 NC |
1560 | /* end-sanitize-v850eq */ |
1561 | } | |
1562 | ||
1563 | fputc ('\n', file); | |
1564 | ||
1565 | return true; | |
1566 | } | |
1567 | \f | |
1568 | #define TARGET_LITTLE_SYM bfd_elf32_v850_vec | |
1569 | #define TARGET_LITTLE_NAME "elf32-v850" | |
1570 | #define ELF_ARCH bfd_arch_v850 | |
1571 | #define ELF_MACHINE_CODE EM_CYGNUS_V850 | |
de224d6a MM |
1572 | #define ELF_MAXPAGESIZE 0x1000 |
1573 | ||
1574 | #define elf_info_to_howto 0 | |
1575 | #define elf_info_to_howto_rel v850_elf_info_to_howto_rel | |
1576 | #define elf_backend_check_relocs v850_elf_check_relocs | |
1577 | #define elf_backend_relocate_section v850_elf_relocate_section | |
8988d935 | 1578 | #define elf_backend_object_p v850_elf_object_p |
8bef8c30 | 1579 | #define elf_backend_final_write_processing v850_elf_final_write_processing |
8988d935 | 1580 | #define bfd_elf32_bfd_is_local_label_name v850_elf_is_local_label_name |
de224d6a | 1581 | #define bfd_elf32_bfd_reloc_type_lookup v850_elf_reloc_type_lookup |
8bef8c30 NC |
1582 | #define bfd_elf32_bfd_copy_private_bfd_data v850_elf_copy_private_bfd_data |
1583 | #define bfd_elf32_bfd_merge_private_bfd_data v850_elf_merge_private_bfd_data | |
1584 | #define bfd_elf32_bfd_set_private_flags v850_elf_set_private_flags | |
1585 | #define bfd_elf32_bfd_print_private_bfd_data v850_elf_print_private_bfd_data | |
de224d6a MM |
1586 | |
1587 | #define elf_symbol_leading_char '_' | |
1336da39 | 1588 | |
01b49cb3 | 1589 | #include "elf32-target.h" |