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 | ||
5bb28764 NC |
296 | /* 16 bit offset from the tiny data area pointer! */ |
297 | HOWTO (R_V850_TDA_16_16_OFFSET, /* type */ | |
298 | 0, /* rightshift */ | |
299 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
300 | 16, /* bitsize */ | |
301 | false, /* pc_relative */ | |
302 | 0, /* bitpos */ | |
303 | complain_overflow_dont, /* complain_on_overflow */ | |
304 | v850_elf_reloc, /* special_function */ | |
305 | "R_V850_TDA_16_16_OFFSET", /* name */ | |
306 | false, /* partial_inplace */ | |
307 | 0xffff, /* src_mask */ | |
308 | 0xfff, /* dst_mask */ | |
309 | false), /* pcrel_offset */ | |
310 | ||
def31039 NC |
311 | /* start-sanitize-v850e */ |
312 | ||
313 | /* 5 bit offset from the tiny data area pointer. */ | |
314 | HOWTO (R_V850_TDA_4_5_OFFSET, /* type */ | |
315 | 1, /* rightshift */ | |
316 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
317 | 5, /* 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_5_OFFSET", /* name */ | |
323 | false, /* partial_inplace */ | |
324 | 0x0f, /* src_mask */ | |
325 | 0x0f, /* dst_mask */ | |
326 | false), /* pcrel_offset */ | |
327 | ||
328 | /* 4 bit offset from the tiny data area pointer. */ | |
329 | HOWTO (R_V850_TDA_4_4_OFFSET, /* type */ | |
330 | 0, /* rightshift */ | |
331 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
332 | 4, /* bitsize */ | |
333 | false, /* pc_relative */ | |
334 | 0, /* bitpos */ | |
335 | complain_overflow_dont, /* complain_on_overflow */ | |
336 | v850_elf_reloc, /* special_function */ | |
337 | "R_V850_TDA_4_4_OFFSET", /* name */ | |
338 | false, /* partial_inplace */ | |
339 | 0x0f, /* src_mask */ | |
340 | 0x0f, /* dst_mask */ | |
341 | false), /* pcrel_offset */ | |
342 | ||
343 | /* 16 bit offset from the short data area pointer. */ | |
344 | HOWTO (R_V850_SDA_16_16_SPLIT_OFFSET, /* type */ | |
de224d6a MM |
345 | 0, /* rightshift */ |
346 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
def31039 | 347 | 16, /* bitsize */ |
de224d6a MM |
348 | false, /* pc_relative */ |
349 | 0, /* bitpos */ | |
350 | complain_overflow_dont, /* complain_on_overflow */ | |
8988d935 | 351 | v850_elf_reloc, /* special_function */ |
def31039 NC |
352 | "R_V850_SDA_16_16_SPLIT_OFFSET",/* name */ |
353 | false, /* partial_inplace */ | |
354 | 0xfffe0020, /* src_mask */ | |
355 | 0xfffe0020, /* dst_mask */ | |
de224d6a | 356 | false), /* pcrel_offset */ |
b6d08fce | 357 | |
def31039 NC |
358 | /* 16 bit offset from the zero data area pointer. */ |
359 | HOWTO (R_V850_ZDA_16_16_SPLIT_OFFSET, /* type */ | |
360 | 0, /* rightshift */ | |
361 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
362 | 16, /* bitsize */ | |
363 | false, /* pc_relative */ | |
364 | 0, /* bitpos */ | |
365 | complain_overflow_dont, /* complain_on_overflow */ | |
366 | v850_elf_reloc, /* special_function */ | |
367 | "R_V850_ZDA_16_16_SPLIT_OFFSET",/* name */ | |
368 | false, /* partial_inplace */ | |
369 | 0xfffe0020, /* src_mask */ | |
370 | 0xfffe0020, /* dst_mask */ | |
371 | false), /* pcrel_offset */ | |
372 | ||
9420c20a NC |
373 | /* 6 bit offset from the call table base pointer. */ |
374 | HOWTO (R_V850_CALLT_6_7_OFFSET, /* type */ | |
375 | 0, /* rightshift */ | |
376 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
377 | 7, /* bitsize */ | |
378 | false, /* pc_relative */ | |
379 | 0, /* bitpos */ | |
380 | complain_overflow_dont, /* complain_on_overflow */ | |
381 | v850_elf_reloc, /* special_function */ | |
382 | "R_V850_CALLT_6_7_OFFSET", /* name */ | |
383 | false, /* partial_inplace */ | |
384 | 0x3f, /* src_mask */ | |
385 | 0x3f, /* dst_mask */ | |
386 | false), /* pcrel_offset */ | |
387 | ||
388 | /* 16 bit offset from the call table base pointer. */ | |
389 | HOWTO (R_V850_CALLT_16_16_OFFSET, /* type */ | |
390 | 0, /* rightshift */ | |
391 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
392 | 16, /* bitsize */ | |
393 | false, /* pc_relative */ | |
394 | 0, /* bitpos */ | |
395 | complain_overflow_dont, /* complain_on_overflow */ | |
396 | v850_elf_reloc, /* special_function */ | |
397 | "R_V850_CALLT_16_16_OFFSET", /* name */ | |
398 | false, /* partial_inplace */ | |
399 | 0xffff, /* src_mask */ | |
400 | 0xffff, /* dst_mask */ | |
401 | false), /* pcrel_offset */ | |
402 | ||
def31039 | 403 | /* end-sanitize-v850e */ |
01b49cb3 C |
404 | }; |
405 | ||
406 | /* Map BFD reloc types to V850 ELF reloc types. */ | |
407 | ||
de224d6a | 408 | struct v850_elf_reloc_map |
01b49cb3 C |
409 | { |
410 | unsigned char bfd_reloc_val; | |
411 | unsigned char elf_reloc_val; | |
412 | }; | |
413 | ||
de224d6a | 414 | static const struct v850_elf_reloc_map v850_elf_reloc_map[] = |
01b49cb3 | 415 | { |
def31039 NC |
416 | { BFD_RELOC_NONE, R_V850_NONE }, |
417 | { BFD_RELOC_V850_9_PCREL, R_V850_9_PCREL }, | |
def31039 NC |
418 | { BFD_RELOC_V850_22_PCREL, R_V850_22_PCREL }, |
419 | { BFD_RELOC_HI16_S, R_V850_HI16_S }, | |
420 | { BFD_RELOC_HI16, R_V850_HI16 }, | |
421 | { BFD_RELOC_LO16, R_V850_LO16 }, | |
422 | { BFD_RELOC_32, R_V850_32 }, | |
423 | { BFD_RELOC_16, R_V850_16 }, | |
424 | { BFD_RELOC_8, R_V850_8 }, | |
425 | { BFD_RELOC_V850_SDA_16_16_OFFSET, R_V850_SDA_16_16_OFFSET }, | |
426 | { BFD_RELOC_V850_SDA_15_16_OFFSET, R_V850_SDA_15_16_OFFSET }, | |
427 | { BFD_RELOC_V850_ZDA_16_16_OFFSET, R_V850_ZDA_16_16_OFFSET }, | |
428 | { BFD_RELOC_V850_ZDA_15_16_OFFSET, R_V850_ZDA_15_16_OFFSET }, | |
9420c20a NC |
429 | { BFD_RELOC_V850_TDA_6_8_OFFSET, R_V850_TDA_6_8_OFFSET }, |
430 | { BFD_RELOC_V850_TDA_7_8_OFFSET, R_V850_TDA_7_8_OFFSET }, | |
431 | { BFD_RELOC_V850_TDA_7_7_OFFSET, R_V850_TDA_7_7_OFFSET }, | |
5bb28764 | 432 | { BFD_RELOC_V850_TDA_16_16_OFFSET, R_V850_TDA_16_16_OFFSET }, |
def31039 | 433 | /* start-sanitize-v850e */ |
9420c20a NC |
434 | { BFD_RELOC_V850_TDA_4_5_OFFSET, R_V850_TDA_4_5_OFFSET }, |
435 | { BFD_RELOC_V850_TDA_4_4_OFFSET, R_V850_TDA_4_4_OFFSET }, | |
def31039 NC |
436 | { BFD_RELOC_V850_SDA_16_16_SPLIT_OFFSET, R_V850_SDA_16_16_SPLIT_OFFSET }, |
437 | { BFD_RELOC_V850_ZDA_16_16_SPLIT_OFFSET, R_V850_ZDA_16_16_SPLIT_OFFSET }, | |
9420c20a NC |
438 | { BFD_RELOC_V850_CALLT_6_7_OFFSET, R_V850_CALLT_6_7_OFFSET }, |
439 | { BFD_RELOC_V850_CALLT_16_16_OFFSET, R_V850_CALLT_16_16_OFFSET }, | |
def31039 | 440 | /* end-sanitize-v850e */ |
01b49cb3 C |
441 | }; |
442 | ||
de224d6a MM |
443 | \f |
444 | /* Map a bfd relocation into the appropriate howto structure */ | |
01b49cb3 | 445 | static reloc_howto_type * |
de224d6a | 446 | v850_elf_reloc_type_lookup (abfd, code) |
9420c20a NC |
447 | bfd * abfd; |
448 | bfd_reloc_code_real_type code; | |
01b49cb3 C |
449 | { |
450 | unsigned int i; | |
451 | ||
452 | for (i = 0; | |
de224d6a | 453 | i < sizeof (v850_elf_reloc_map) / sizeof (struct v850_elf_reloc_map); |
01b49cb3 C |
454 | i++) |
455 | { | |
de224d6a | 456 | if (v850_elf_reloc_map[i].bfd_reloc_val == code) |
def31039 NC |
457 | { |
458 | BFD_ASSERT (v850_elf_howto_table[v850_elf_reloc_map[i].elf_reloc_val].type == v850_elf_reloc_map[i].elf_reloc_val); | |
459 | ||
460 | return & v850_elf_howto_table[v850_elf_reloc_map[i].elf_reloc_val]; | |
461 | } | |
01b49cb3 C |
462 | } |
463 | ||
464 | return NULL; | |
465 | } | |
466 | ||
de224d6a | 467 | \f |
01b49cb3 | 468 | /* Set the howto pointer for an V850 ELF reloc. */ |
01b49cb3 | 469 | static void |
de224d6a | 470 | v850_elf_info_to_howto_rel (abfd, cache_ptr, dst) |
9420c20a NC |
471 | bfd * abfd; |
472 | arelent * cache_ptr; | |
473 | Elf32_Internal_Rel * dst; | |
01b49cb3 C |
474 | { |
475 | unsigned int r_type; | |
476 | ||
477 | r_type = ELF32_R_TYPE (dst->r_info); | |
478 | BFD_ASSERT (r_type < (unsigned int) R_V850_max); | |
de224d6a MM |
479 | cache_ptr->howto = &v850_elf_howto_table[r_type]; |
480 | } | |
481 | ||
482 | \f | |
483 | /* Look through the relocs for a section during the first phase, and | |
484 | allocate space in the global offset table or procedure linkage | |
485 | table. */ | |
486 | ||
487 | static boolean | |
488 | v850_elf_check_relocs (abfd, info, sec, relocs) | |
9420c20a NC |
489 | bfd * abfd; |
490 | struct bfd_link_info * info; | |
491 | asection * sec; | |
492 | const Elf_Internal_Rela * relocs; | |
de224d6a MM |
493 | { |
494 | boolean ret = true; | |
495 | bfd *dynobj; | |
496 | Elf_Internal_Shdr *symtab_hdr; | |
497 | struct elf_link_hash_entry **sym_hashes; | |
498 | const Elf_Internal_Rela *rel; | |
499 | const Elf_Internal_Rela *rel_end; | |
500 | asection *sreloc; | |
501 | enum reloc_type r_type; | |
502 | int other = 0; | |
503 | const char *common = (const char *)0; | |
504 | ||
505 | if (info->relocateable) | |
506 | return true; | |
507 | ||
508 | #ifdef DEBUG | |
509 | fprintf (stderr, "v850_elf_check_relocs called for section %s in %s\n", | |
510 | bfd_get_section_name (abfd, sec), | |
511 | bfd_get_filename (abfd)); | |
512 | #endif | |
513 | ||
514 | dynobj = elf_hash_table (info)->dynobj; | |
515 | symtab_hdr = &elf_tdata (abfd)->symtab_hdr; | |
516 | sym_hashes = elf_sym_hashes (abfd); | |
517 | sreloc = NULL; | |
518 | ||
519 | rel_end = relocs + sec->reloc_count; | |
520 | for (rel = relocs; rel < rel_end; rel++) | |
521 | { | |
522 | unsigned long r_symndx; | |
523 | struct elf_link_hash_entry *h; | |
524 | ||
525 | r_symndx = ELF32_R_SYM (rel->r_info); | |
526 | if (r_symndx < symtab_hdr->sh_info) | |
527 | h = NULL; | |
528 | else | |
529 | h = sym_hashes[r_symndx - symtab_hdr->sh_info]; | |
530 | ||
531 | r_type = (enum reloc_type) ELF32_R_TYPE (rel->r_info); | |
532 | switch (r_type) | |
533 | { | |
534 | default: | |
535 | case R_V850_NONE: | |
536 | case R_V850_9_PCREL: | |
537 | case R_V850_22_PCREL: | |
538 | case R_V850_HI16_S: | |
539 | case R_V850_HI16: | |
540 | case R_V850_LO16: | |
541 | case R_V850_32: | |
542 | case R_V850_16: | |
543 | case R_V850_8: | |
9420c20a NC |
544 | /* start-sanitize-v850e */ |
545 | case R_V850_CALLT_6_7_OFFSET: | |
546 | case R_V850_CALLT_16_16_OFFSET: | |
547 | /* end-sanitize-v850e */ | |
de224d6a MM |
548 | break; |
549 | ||
def31039 NC |
550 | /* start-sanitize-v850e */ |
551 | case R_V850_SDA_16_16_SPLIT_OFFSET: | |
552 | /* end-sanitize-v850e */ | |
553 | case R_V850_SDA_16_16_OFFSET: | |
554 | case R_V850_SDA_15_16_OFFSET: | |
de224d6a MM |
555 | other = V850_OTHER_SDA; |
556 | common = ".scommon"; | |
557 | goto small_data_common; | |
def31039 NC |
558 | |
559 | /* start-sanitize-v850e */ | |
560 | case R_V850_ZDA_16_16_SPLIT_OFFSET: | |
561 | /* end-sanitize-v850e */ | |
562 | case R_V850_ZDA_16_16_OFFSET: | |
563 | case R_V850_ZDA_15_16_OFFSET: | |
de224d6a MM |
564 | other = V850_OTHER_ZDA; |
565 | common = ".zcommon"; | |
566 | goto small_data_common; | |
def31039 NC |
567 | |
568 | /* start-sanitize-v850e */ | |
569 | case R_V850_TDA_4_5_OFFSET: | |
570 | case R_V850_TDA_4_4_OFFSET: | |
2cf9a0d0 | 571 | /* end-sanitize-v850e */ |
def31039 NC |
572 | case R_V850_TDA_6_8_OFFSET: |
573 | case R_V850_TDA_7_8_OFFSET: | |
574 | case R_V850_TDA_7_7_OFFSET: | |
5bb28764 | 575 | case R_V850_TDA_16_16_OFFSET: |
de224d6a MM |
576 | other = V850_OTHER_TDA; |
577 | common = ".tcommon"; | |
578 | /* fall through */ | |
579 | ||
580 | #define V850_OTHER_MASK (V850_OTHER_TDA | V850_OTHER_SDA | V850_OTHER_ZDA) | |
581 | ||
582 | small_data_common: | |
583 | if (h) | |
584 | { | |
585 | h->other |= other; /* flag which type of relocation was used */ | |
586 | if ((h->other & V850_OTHER_MASK) != (other & V850_OTHER_MASK) | |
587 | && (h->other & V850_OTHER_ERROR) == 0) | |
588 | { | |
55e6f0bf NC |
589 | const char * msg; |
590 | static char buff[100]; /* XXX */ | |
591 | ||
de224d6a MM |
592 | switch (h->other & V850_OTHER_MASK) |
593 | { | |
594 | default: | |
55e6f0bf | 595 | msg = "cannot occupy in multiple small data regions"; |
de224d6a MM |
596 | break; |
597 | case V850_OTHER_SDA | V850_OTHER_ZDA | V850_OTHER_TDA: | |
55e6f0bf | 598 | msg = "can only be in one of the small, zero, and tiny data regions"; |
de224d6a MM |
599 | break; |
600 | case V850_OTHER_SDA | V850_OTHER_ZDA: | |
55e6f0bf | 601 | msg = "cannot be in both small and zero data regions simultaneously"; |
de224d6a MM |
602 | break; |
603 | case V850_OTHER_SDA | V850_OTHER_TDA: | |
55e6f0bf | 604 | msg = "cannot be in both small and tiny data regions simultaneously"; |
de224d6a MM |
605 | break; |
606 | case V850_OTHER_ZDA | V850_OTHER_TDA: | |
55e6f0bf | 607 | msg = "cannot be in both zero and tiny data regions simultaneously"; |
de224d6a MM |
608 | break; |
609 | } | |
610 | ||
55e6f0bf NC |
611 | sprintf (buff, "Variable '%s' %s", h->root.root.string, msg ); |
612 | info->callbacks->warning (info, buff, h->root.root.string, | |
613 | abfd, h->root.u.def.section, 0); | |
de224d6a MM |
614 | |
615 | bfd_set_error (bfd_error_bad_value); | |
616 | h->other |= V850_OTHER_ERROR; | |
617 | ret = false; | |
618 | } | |
619 | } | |
620 | ||
8988d935 | 621 | if (h && h->root.type == bfd_link_hash_common |
de224d6a MM |
622 | && h->root.u.c.p |
623 | && !strcmp (bfd_get_section_name (abfd, h->root.u.c.p->section), "COMMON")) | |
624 | { | |
625 | asection *section = h->root.u.c.p->section = bfd_make_section_old_way (abfd, common); | |
626 | section->flags |= SEC_IS_COMMON; | |
627 | } | |
628 | ||
629 | #ifdef DEBUG | |
630 | fprintf (stderr, "v850_elf_check_relocs, found %s relocation for %s%s\n", | |
631 | v850_elf_howto_table[ (int)r_type ].name, | |
632 | (h && h->root.root.string) ? h->root.root.string : "<unknown>", | |
633 | (h->root.type == bfd_link_hash_common) ? ", symbol is common" : ""); | |
634 | #endif | |
635 | break; | |
636 | } | |
637 | } | |
638 | ||
639 | return ret; | |
01b49cb3 C |
640 | } |
641 | ||
de224d6a | 642 | \f |
def31039 | 643 | /* Insert the addend into the instruction. */ |
e73b6ae6 | 644 | static bfd_reloc_status_type |
de224d6a | 645 | v850_elf_reloc (abfd, reloc, symbol, data, isection, obfd, err) |
def31039 NC |
646 | bfd * abfd; |
647 | arelent * reloc; | |
648 | asymbol * symbol; | |
649 | PTR data; | |
650 | asection * isection; | |
651 | bfd * obfd; | |
652 | char ** err; | |
e73b6ae6 | 653 | { |
5ddf2a9e NC |
654 | long relocation; |
655 | long insn; | |
656 | ||
657 | ||
def31039 NC |
658 | /* If there is an output BFD, |
659 | and the symbol is not a section name (which is only defined at final link time), | |
660 | and either we are not putting the addend into the instruction | |
661 | or the addend is zero, so there is nothing to add into the instruction | |
662 | then just fixup the address and return. */ | |
e73b6ae6 JL |
663 | if (obfd != (bfd *) NULL |
664 | && (symbol->flags & BSF_SECTION_SYM) == 0 | |
665 | && (! reloc->howto->partial_inplace | |
666 | || reloc->addend == 0)) | |
667 | { | |
668 | reloc->address += isection->output_offset; | |
669 | return bfd_reloc_ok; | |
670 | } | |
def31039 | 671 | #if 0 |
e73b6ae6 JL |
672 | else if (obfd != NULL) |
673 | { | |
674 | return bfd_reloc_continue; | |
675 | } | |
def31039 NC |
676 | #endif |
677 | ||
05f1baaa JL |
678 | /* Catch relocs involving undefined symbols. */ |
679 | if (bfd_is_und_section (symbol->section) | |
680 | && (symbol->flags & BSF_WEAK) == 0 | |
681 | && obfd == NULL) | |
682 | return bfd_reloc_undefined; | |
683 | ||
e73b6ae6 | 684 | /* We handle final linking of some relocs ourselves. */ |
8988d935 | 685 | |
5ddf2a9e NC |
686 | /* Is the address of the relocation really within the section? */ |
687 | if (reloc->address > isection->_cooked_size) | |
688 | return bfd_reloc_outofrange; | |
689 | ||
690 | /* Work out which section the relocation is targetted at and the | |
691 | initial relocation command value. */ | |
692 | ||
693 | /* Get symbol value. (Common symbols are special.) */ | |
694 | if (bfd_is_com_section (symbol->section)) | |
695 | relocation = 0; | |
696 | else | |
697 | relocation = symbol->value; | |
698 | ||
699 | /* Convert input-section-relative symbol value to absolute + addend. */ | |
700 | relocation += symbol->section->output_section->vma; | |
701 | relocation += symbol->section->output_offset; | |
702 | relocation += reloc->addend; | |
703 | ||
704 | if (reloc->howto->pc_relative == true) | |
705 | { | |
706 | /* Here the variable relocation holds the final address of the | |
707 | symbol we are relocating against, plus any addend. */ | |
708 | relocation -= isection->output_section->vma + isection->output_offset; | |
709 | ||
710 | /* Deal with pcrel_offset */ | |
711 | relocation -= reloc->address; | |
712 | } | |
713 | ||
714 | /* I've got no clue... */ | |
715 | reloc->addend = 0; | |
716 | ||
717 | switch (reloc->howto->type) | |
718 | { | |
719 | default: | |
720 | /* fprintf (stderr, "reloc type %d not SUPPORTED\n", reloc->howto->type ); */ | |
721 | return bfd_reloc_notsupported; | |
722 | ||
723 | case R_V850_22_PCREL: | |
676d3f02 | 724 | if (relocation > 0x1fffff || relocation < -0x200000) |
5ddf2a9e NC |
725 | return bfd_reloc_overflow; |
726 | ||
727 | if ((relocation % 2) != 0) | |
728 | return bfd_reloc_dangerous; | |
729 | ||
730 | insn = bfd_get_32 (abfd, (bfd_byte *) data + reloc->address); | |
731 | insn &= ~0xfffe003f; | |
732 | insn |= (((relocation & 0xfffe) << 16) | |
733 | | ((relocation & 0x3f0000) >> 16)); | |
734 | bfd_put_32 (abfd, insn, (bfd_byte *)data + reloc->address); | |
735 | return bfd_reloc_ok; | |
736 | ||
737 | case R_V850_9_PCREL: | |
738 | if (relocation > 0xff || relocation < -0x100) | |
739 | return bfd_reloc_overflow; | |
740 | ||
741 | if ((relocation % 2) != 0) | |
742 | return bfd_reloc_dangerous; | |
743 | ||
744 | insn = bfd_get_16 (abfd, (bfd_byte *) data + reloc->address); | |
745 | insn &= ~ 0xf870; | |
746 | insn |= ((relocation & 0x1f0) << 7) | ((relocation & 0x0e) << 3); | |
747 | bfd_put_16 (abfd, insn, (bfd_byte *)data + reloc->address); | |
748 | return bfd_reloc_ok; | |
749 | ||
750 | case R_V850_HI16_S: | |
751 | relocation += bfd_get_16 (abfd, (bfd_byte *) data + reloc->address); | |
752 | relocation = (relocation >> 16) + ((relocation & 0x8000) != 0); | |
753 | bfd_put_16 (abfd, relocation, (bfd_byte *)data + reloc->address); | |
754 | return bfd_reloc_ok; | |
755 | ||
756 | case R_V850_HI16: | |
757 | relocation += bfd_get_16 (abfd, (bfd_byte *) data + reloc->address); | |
758 | relocation = (relocation >> 16); | |
759 | bfd_put_16 (abfd, relocation, (bfd_byte *)data + reloc->address); | |
760 | return bfd_reloc_ok; | |
761 | ||
762 | case R_V850_LO16: | |
763 | relocation += (short)bfd_get_16 (abfd, (bfd_byte *) data + reloc->address); | |
764 | /* Do not complain if value has top bit set, as this has been anticipated. */ | |
5ddf2a9e NC |
765 | bfd_put_16 (abfd, relocation, (bfd_byte *)data + reloc->address); |
766 | return bfd_reloc_ok; | |
def31039 | 767 | |
5ddf2a9e NC |
768 | case R_V850_16: |
769 | relocation += (short)bfd_get_16 (abfd, (bfd_byte *) data + reloc->address); | |
770 | /* drop through */ | |
771 | ||
772 | case R_V850_SDA_16_16_OFFSET: | |
773 | case R_V850_ZDA_16_16_OFFSET: | |
5bb28764 | 774 | case R_V850_TDA_16_16_OFFSET: |
5ddf2a9e NC |
775 | if ((long)relocation > 0x7fff || (long)relocation < -0x8000) |
776 | return bfd_reloc_overflow; | |
777 | bfd_put_16 (abfd, relocation, (bfd_byte *)data + reloc->address); | |
778 | return bfd_reloc_ok; | |
779 | ||
780 | case R_V850_SDA_15_16_OFFSET: | |
781 | case R_V850_ZDA_15_16_OFFSET: | |
782 | if ((long)relocation > 0x7ffe || (long)relocation < -0x8000) | |
783 | return bfd_reloc_overflow; | |
784 | ||
785 | if (relocation & 1) | |
786 | return bfd_reloc_dangerous; | |
787 | ||
788 | insn = bfd_get_16 (abfd, (bfd_byte *) data + reloc->address); | |
789 | insn &= 1; | |
790 | insn |= (relocation >> 1) & ~1; | |
791 | ||
792 | bfd_put_16 (abfd, insn, (bfd_byte *)data + reloc->address); | |
793 | return bfd_reloc_ok; | |
794 | ||
795 | case R_V850_TDA_6_8_OFFSET: | |
796 | if ((long) relocation > 0xfc || (long) relocation < 0) | |
797 | return bfd_reloc_overflow; | |
798 | ||
799 | if (relocation & 3) | |
800 | return bfd_reloc_dangerous; | |
801 | ||
802 | insn = bfd_get_16 (abfd, (bfd_byte *) data + reloc->address); | |
803 | insn &= 0xff81; | |
804 | insn |= (relocation >> 1); | |
805 | ||
806 | bfd_put_16 (abfd, insn, (bfd_byte *)data + reloc->address); | |
807 | return bfd_reloc_ok; | |
808 | ||
809 | case R_V850_TDA_7_8_OFFSET: | |
810 | if ((long) relocation > 0xfe || (long) relocation < 0) | |
811 | return bfd_reloc_overflow; | |
812 | ||
813 | if (relocation & 1) | |
814 | return bfd_reloc_dangerous; | |
815 | ||
816 | insn = bfd_get_16 (abfd, (bfd_byte *) data + reloc->address); | |
817 | insn &= 0xff80; | |
818 | insn |= (relocation >> 1); | |
819 | ||
820 | bfd_put_16 (abfd, insn, (bfd_byte *)data + reloc->address); | |
821 | return bfd_reloc_ok; | |
822 | ||
823 | case R_V850_TDA_7_7_OFFSET: | |
824 | if ((long) relocation > 0x7f || (long) relocation < 0) | |
825 | return bfd_reloc_overflow; | |
826 | ||
827 | insn = bfd_get_16 (abfd, (bfd_byte *) data + reloc->address); | |
828 | insn &= 0xff80; | |
829 | insn |= relocation; | |
830 | ||
831 | bfd_put_16 (abfd, insn, (bfd_byte *)data + reloc->address); | |
832 | return bfd_reloc_ok; | |
833 | ||
def31039 | 834 | /* start-sanitize-v850e */ |
5ddf2a9e NC |
835 | case R_V850_TDA_4_5_OFFSET: |
836 | if ((long) relocation > 0x1e || (long) relocation < 0) | |
837 | return bfd_reloc_overflow; | |
838 | ||
839 | if (relocation & 1) | |
840 | return bfd_reloc_dangerous; | |
841 | ||
842 | insn = bfd_get_16 (abfd, (bfd_byte *) data + reloc->address); | |
843 | insn &= 0xfff0; | |
844 | insn |= (relocation >> 1); | |
845 | ||
846 | bfd_put_16 (abfd, insn, (bfd_byte *)data + reloc->address); | |
847 | return bfd_reloc_ok; | |
848 | ||
849 | case R_V850_TDA_4_4_OFFSET: | |
850 | if ((long) relocation > 0xf || (long) relocation < 0) | |
851 | return bfd_reloc_overflow; | |
852 | ||
853 | insn = bfd_get_16 (abfd, (bfd_byte *) data + reloc->address); | |
854 | insn &= 0xfff0; | |
855 | insn |= relocation; | |
856 | ||
857 | bfd_put_16 (abfd, insn, (bfd_byte *)data + reloc->address); | |
858 | return bfd_reloc_ok; | |
859 | ||
860 | case R_V850_ZDA_16_16_SPLIT_OFFSET: | |
861 | case R_V850_SDA_16_16_SPLIT_OFFSET: | |
862 | if ((long) relocation > 0xffff || (long) relocation < 0) | |
863 | return bfd_reloc_overflow; | |
864 | ||
865 | insn = bfd_get_32 (abfd, (bfd_byte *) data + reloc->address); | |
866 | ||
867 | insn &= 0x0001ffdf; | |
868 | insn |= (relocation & 1) << 5; | |
869 | insn |= (relocation & ~1) << 16; | |
870 | ||
871 | bfd_put_32 (abfd, insn, (bfd_byte *)data + reloc->address); | |
872 | return bfd_reloc_ok; | |
9420c20a NC |
873 | |
874 | case R_V850_CALLT_6_7_OFFSET: | |
875 | if ((long) relocation > 0x7e || (long) relocation < 0) | |
876 | return bfd_reloc_overflow; | |
877 | ||
878 | if (relocation & 1) | |
879 | return bfd_reloc_dangerous; | |
880 | ||
881 | insn = bfd_get_16 (abfd, (bfd_byte *) data + reloc->address); | |
882 | insn &= 0xff80; | |
883 | insn |= (relocation >> 1); | |
884 | ||
885 | bfd_put_16 (abfd, insn, (bfd_byte *)data + reloc->address); | |
886 | return bfd_reloc_ok; | |
887 | ||
888 | case R_V850_CALLT_16_16_OFFSET: | |
889 | bfd_put_16 (abfd, relocation, (bfd_byte *)data + reloc->address); | |
890 | return bfd_reloc_ok; | |
891 | ||
def31039 | 892 | /* end-sanitize-v850e */ |
e73b6ae6 JL |
893 | } |
894 | ||
895 | return bfd_reloc_continue; | |
896 | } | |
897 | ||
de224d6a | 898 | \f |
1336da39 SG |
899 | /*ARGSUSED*/ |
900 | static boolean | |
8988d935 | 901 | v850_elf_is_local_label_name (abfd, name) |
9420c20a NC |
902 | bfd * abfd; |
903 | const char * name; | |
1336da39 | 904 | { |
8988d935 NC |
905 | return ((name[0] == '.' && (name[1] == 'L' || name[1] == '.')) |
906 | || (name[0] == '_' && name[1] == '.' && name[2] == 'L' | |
907 | && name[3] == '_')); | |
1336da39 SG |
908 | } |
909 | ||
de224d6a | 910 | \f |
725b96f5 JL |
911 | /* Perform a relocation as part of a final link. */ |
912 | static bfd_reloc_status_type | |
de224d6a | 913 | v850_elf_final_link_relocate (howto, input_bfd, output_bfd, |
725b96f5 JL |
914 | input_section, contents, offset, value, |
915 | addend, info, sym_sec, is_local) | |
def31039 NC |
916 | reloc_howto_type * howto; |
917 | bfd * input_bfd; | |
918 | bfd * output_bfd; | |
919 | asection * input_section; | |
920 | bfd_byte * contents; | |
921 | bfd_vma offset; | |
922 | bfd_vma value; | |
923 | bfd_vma addend; | |
924 | struct bfd_link_info * info; | |
925 | asection * sym_sec; | |
926 | int is_local; | |
725b96f5 | 927 | { |
def31039 NC |
928 | unsigned long insn; |
929 | unsigned long r_type = howto->type; | |
930 | bfd_byte * hit_data = contents + offset; | |
725b96f5 JL |
931 | |
932 | switch (r_type) | |
933 | { | |
934 | case R_V850_9_PCREL: | |
935 | value -= (input_section->output_section->vma | |
936 | + input_section->output_offset); | |
937 | value -= offset; | |
938 | ||
939 | if ((long)value > 0xff || (long)value < -0x100) | |
940 | return bfd_reloc_overflow; | |
941 | ||
942 | if ((value % 2) != 0) | |
943 | return bfd_reloc_dangerous; | |
944 | ||
945 | insn = bfd_get_16 (input_bfd, hit_data); | |
c322f1b5 | 946 | insn &= 0x078f; |
725b96f5 JL |
947 | insn |= ((value & 0x1f0) << 7) | ((value & 0x0e) << 3); |
948 | bfd_put_16 (input_bfd, insn, hit_data); | |
949 | return bfd_reloc_ok; | |
950 | ||
951 | case R_V850_22_PCREL: | |
952 | value -= (input_section->output_section->vma | |
953 | + input_section->output_offset); | |
954 | value -= offset; | |
955 | ||
676d3f02 | 956 | if ((long)value > 0x1fffff || (long)value < -0x200000) |
725b96f5 JL |
957 | return bfd_reloc_overflow; |
958 | ||
959 | if ((value % 2) != 0) | |
960 | return bfd_reloc_dangerous; | |
961 | ||
962 | insn = bfd_get_32 (input_bfd, hit_data); | |
c322f1b5 | 963 | insn &= 0x1ffc0; |
725b96f5 JL |
964 | insn |= (((value & 0xfffe) << 16) | ((value & 0x3f0000) >> 16)); |
965 | bfd_put_32 (input_bfd, insn, hit_data); | |
966 | return bfd_reloc_ok; | |
967 | ||
968 | case R_V850_HI16_S: | |
90ffe48b | 969 | value += (short)bfd_get_16 (input_bfd, hit_data); |
725b96f5 JL |
970 | value = (value >> 16) + ((value & 0x8000) != 0); |
971 | ||
972 | if ((long)value > 0x7fff || (long)value < -0x8000) | |
676d3f02 NC |
973 | { |
974 | /* This relocation cannot overflow. */ | |
975 | ||
976 | value = 0; | |
977 | } | |
725b96f5 JL |
978 | |
979 | bfd_put_16 (input_bfd, value, hit_data); | |
980 | return bfd_reloc_ok; | |
981 | ||
982 | case R_V850_HI16: | |
90ffe48b | 983 | value += (short)bfd_get_16 (input_bfd, hit_data); |
725b96f5 JL |
984 | value >>= 16; |
985 | ||
725b96f5 JL |
986 | bfd_put_16 (input_bfd, value, hit_data); |
987 | return bfd_reloc_ok; | |
988 | ||
989 | case R_V850_LO16: | |
90ffe48b | 990 | value += (short)bfd_get_16 (input_bfd, hit_data); |
725b96f5 JL |
991 | value &= 0xffff; |
992 | ||
993 | bfd_put_16 (input_bfd, value, hit_data); | |
994 | return bfd_reloc_ok; | |
995 | ||
996 | case R_V850_16: | |
def31039 | 997 | value += (short) bfd_get_16 (input_bfd, hit_data); |
725b96f5 | 998 | |
def31039 NC |
999 | if ((long) value > 0x7fff || (long) value < -0x8000) |
1000 | return bfd_reloc_overflow; | |
1001 | ||
1002 | bfd_put_16 (input_bfd, value, hit_data); | |
1003 | return bfd_reloc_ok; | |
1004 | ||
1005 | case R_V850_ZDA_16_16_OFFSET: | |
db1fa6ab NC |
1006 | if (sym_sec == NULL) |
1007 | return bfd_reloc_undefined; | |
1008 | ||
def31039 NC |
1009 | value -= sym_sec->output_section->vma; |
1010 | value += (short) bfd_get_16 (input_bfd, hit_data); | |
1011 | ||
1012 | if ((long) value > 0x7fff || (long) value < -0x8000) | |
725b96f5 JL |
1013 | return bfd_reloc_overflow; |
1014 | ||
1015 | bfd_put_16 (input_bfd, value, hit_data); | |
1016 | return bfd_reloc_ok; | |
1017 | ||
def31039 | 1018 | case R_V850_ZDA_15_16_OFFSET: |
db1fa6ab NC |
1019 | if (sym_sec == NULL) |
1020 | return bfd_reloc_undefined; | |
1021 | ||
def31039 NC |
1022 | insn = bfd_get_16 (input_bfd, hit_data); |
1023 | ||
1024 | value -= sym_sec->output_section->vma; | |
1025 | value += ((insn & 0xfffe) << 1); | |
1026 | ||
1027 | if ((long) value > 0x7ffe || (long) value < -0x8000) | |
1028 | return bfd_reloc_overflow; | |
1029 | ||
1030 | value &= ~1; | |
1031 | value |= (insn & 1); | |
1032 | ||
1033 | bfd_put_16 (input_bfd, value, hit_data); | |
1034 | return bfd_reloc_ok; | |
1035 | ||
725b96f5 JL |
1036 | case R_V850_32: |
1037 | value += bfd_get_32 (input_bfd, hit_data); | |
1038 | bfd_put_32 (input_bfd, value, hit_data); | |
1039 | return bfd_reloc_ok; | |
1040 | ||
1041 | case R_V850_8: | |
90ffe48b | 1042 | value += (char)bfd_get_8 (input_bfd, hit_data); |
725b96f5 JL |
1043 | |
1044 | if ((long)value > 0x7f || (long)value < -0x80) | |
1045 | return bfd_reloc_overflow; | |
1046 | ||
1047 | bfd_put_8 (input_bfd, value, hit_data); | |
1048 | return bfd_reloc_ok; | |
1049 | ||
def31039 | 1050 | case R_V850_SDA_16_16_OFFSET: |
db1fa6ab NC |
1051 | if (sym_sec == NULL) |
1052 | return bfd_reloc_undefined; | |
1053 | ||
725b96f5 | 1054 | { |
def31039 NC |
1055 | unsigned long gp; |
1056 | struct bfd_link_hash_entry * h; | |
725b96f5 JL |
1057 | |
1058 | /* Get the value of __gp. */ | |
def31039 | 1059 | h = bfd_link_hash_lookup (info->hash, "__gp", false, false, true); |
725b96f5 JL |
1060 | if (h == (struct bfd_link_hash_entry *) NULL |
1061 | || h->type != bfd_link_hash_defined) | |
def31039 | 1062 | return bfd_reloc_other; |
725b96f5 JL |
1063 | |
1064 | gp = (h->u.def.value | |
1065 | + h->u.def.section->output_section->vma | |
1066 | + h->u.def.section->output_offset); | |
def31039 NC |
1067 | |
1068 | value -= sym_sec->output_section->vma; | |
1069 | value -= (gp - sym_sec->output_section->vma); | |
1070 | value += (short) bfd_get_16 (input_bfd, hit_data); | |
725b96f5 JL |
1071 | |
1072 | if ((long)value > 0x7fff || (long)value < -0x8000) | |
1073 | return bfd_reloc_overflow; | |
1074 | ||
1075 | bfd_put_16 (input_bfd, value, hit_data); | |
1076 | return bfd_reloc_ok; | |
1077 | } | |
1078 | ||
def31039 | 1079 | case R_V850_SDA_15_16_OFFSET: |
db1fa6ab NC |
1080 | if (sym_sec == NULL) |
1081 | return bfd_reloc_undefined; | |
1082 | ||
725b96f5 | 1083 | { |
def31039 NC |
1084 | unsigned long gp; |
1085 | struct bfd_link_hash_entry * h; | |
1086 | ||
1087 | /* Get the value of __gp. */ | |
1088 | h = bfd_link_hash_lookup (info->hash, "__gp", false, false, true); | |
1089 | if (h == (struct bfd_link_hash_entry *) NULL | |
1090 | || h->type != bfd_link_hash_defined) | |
1091 | return bfd_reloc_other; | |
1092 | ||
1093 | gp = (h->u.def.value | |
1094 | + h->u.def.section->output_section->vma | |
1095 | + h->u.def.section->output_offset); | |
1096 | ||
1097 | value -= sym_sec->output_section->vma; | |
1098 | value -= (gp - sym_sec->output_section->vma); | |
725b96f5 | 1099 | |
def31039 NC |
1100 | insn = bfd_get_16 (input_bfd, hit_data); |
1101 | ||
1102 | value += ((insn & 0xfffe) << 1); | |
1103 | ||
1104 | if ((long)value > 0x7ffe || (long)value < -0x8000) | |
1105 | return bfd_reloc_overflow; | |
1106 | ||
1107 | value &= ~1; | |
1108 | value |= (insn & 1); | |
1109 | ||
1110 | bfd_put_16 (input_bfd, value, hit_data); | |
1111 | return bfd_reloc_ok; | |
1112 | } | |
1113 | ||
1114 | case R_V850_TDA_6_8_OFFSET: | |
1115 | { | |
1116 | unsigned long ep; | |
1117 | struct bfd_link_hash_entry * h; | |
1118 | ||
c322f1b5 | 1119 | insn = bfd_get_16 (input_bfd, hit_data); |
725b96f5 JL |
1120 | |
1121 | /* Get the value of __ep. */ | |
def31039 | 1122 | h = bfd_link_hash_lookup (info->hash, "__ep", false, false, true); |
725b96f5 JL |
1123 | if (h == (struct bfd_link_hash_entry *) NULL |
1124 | || h->type != bfd_link_hash_defined) | |
def31039 | 1125 | return bfd_reloc_continue; /* Actually this indicates that __ep could not be found. */ |
725b96f5 JL |
1126 | |
1127 | ep = (h->u.def.value | |
1128 | + h->u.def.section->output_section->vma | |
1129 | + h->u.def.section->output_offset); | |
def31039 | 1130 | |
725b96f5 | 1131 | value -= ep; |
676d3f02 | 1132 | value += ((insn & 0x7e) << 1); |
def31039 NC |
1133 | |
1134 | if ((long) value > 0xfc || (long) value < 0) | |
1135 | return bfd_reloc_overflow; | |
1136 | ||
1137 | if ((value % 2) != 0) | |
1138 | return bfd_reloc_dangerous; | |
1139 | ||
1140 | insn &= 0xff81; | |
1141 | insn |= (value >> 1); | |
725b96f5 | 1142 | |
def31039 NC |
1143 | bfd_put_16 (input_bfd, insn, hit_data); |
1144 | return bfd_reloc_ok; | |
1145 | } | |
1146 | ||
1147 | case R_V850_TDA_7_8_OFFSET: | |
1148 | { | |
1149 | unsigned long ep; | |
1150 | struct bfd_link_hash_entry * h; | |
1151 | ||
1152 | insn = bfd_get_16 (input_bfd, hit_data); | |
725b96f5 | 1153 | |
def31039 NC |
1154 | /* Get the value of __ep. */ |
1155 | h = bfd_link_hash_lookup (info->hash, "__ep", false, false, true); | |
1156 | if (h == (struct bfd_link_hash_entry *) NULL | |
1157 | || h->type != bfd_link_hash_defined) | |
1158 | return bfd_reloc_continue; /* Actually this indicates that __ep could not be found. */ | |
c322f1b5 | 1159 | |
def31039 NC |
1160 | ep = (h->u.def.value |
1161 | + h->u.def.section->output_section->vma | |
1162 | + h->u.def.section->output_offset); | |
1163 | ||
1164 | value -= ep; | |
1165 | value += ((insn & 0x7f) << 1); | |
1166 | ||
1167 | if ((long) value > 0xfe || (long) value < 0) | |
1168 | return bfd_reloc_overflow; | |
1169 | ||
1170 | insn &= 0xff80; | |
1171 | insn |= (value >> 1); | |
1172 | ||
1173 | bfd_put_16 (input_bfd, insn, hit_data); | |
1174 | return bfd_reloc_ok; | |
1175 | } | |
1176 | ||
1177 | case R_V850_TDA_7_7_OFFSET: | |
1178 | { | |
1179 | unsigned long ep; | |
1180 | struct bfd_link_hash_entry * h; | |
1181 | ||
1182 | insn = bfd_get_16 (input_bfd, hit_data); | |
c322f1b5 | 1183 | |
def31039 NC |
1184 | /* Get the value of __ep. */ |
1185 | h = bfd_link_hash_lookup (info->hash, "__ep", false, false, true); | |
1186 | if (h == (struct bfd_link_hash_entry *) NULL | |
1187 | || h->type != bfd_link_hash_defined) | |
1188 | return bfd_reloc_continue; /* Actually this indicates that __ep could not be found. */ | |
c322f1b5 | 1189 | |
def31039 NC |
1190 | ep = (h->u.def.value |
1191 | + h->u.def.section->output_section->vma | |
1192 | + h->u.def.section->output_offset); | |
1193 | value -= ep; | |
1194 | ||
1195 | value += insn & 0x7f; | |
1196 | ||
1197 | if ((long) value > 0x7f || (long) value < 0) | |
1198 | return bfd_reloc_overflow; | |
1199 | ||
1200 | insn &= 0xff80; | |
1201 | insn |= value; | |
1202 | bfd_put_16 (input_bfd, insn, hit_data); | |
1203 | return bfd_reloc_ok; | |
1204 | } | |
1205 | ||
5bb28764 NC |
1206 | case R_V850_TDA_16_16_OFFSET: |
1207 | { | |
1208 | unsigned long ep; | |
1209 | struct bfd_link_hash_entry * h; | |
1210 | ||
1211 | /* Get the value of __ep. */ | |
1212 | h = bfd_link_hash_lookup (info->hash, "__ep", false, false, true); | |
1213 | if (h == (struct bfd_link_hash_entry *) NULL | |
1214 | || h->type != bfd_link_hash_defined) | |
1215 | return bfd_reloc_other; | |
1216 | ||
1217 | ep = (h->u.def.value | |
1218 | + h->u.def.section->output_section->vma | |
1219 | + h->u.def.section->output_offset); | |
1220 | value -= ep; | |
1221 | ||
1222 | value += (short) bfd_get_16 (input_bfd, hit_data); | |
1223 | ||
1224 | if ((long)value > 0x7fff || (long)value < -0x8000) | |
1225 | return bfd_reloc_overflow; | |
1226 | ||
1227 | bfd_put_16 (input_bfd, value, hit_data); | |
1228 | return bfd_reloc_ok; | |
1229 | } | |
1230 | ||
def31039 NC |
1231 | /* start-sanitize-v850e */ |
1232 | case R_V850_TDA_4_5_OFFSET: | |
1233 | { | |
1234 | unsigned long ep; | |
1235 | struct bfd_link_hash_entry * h; | |
1236 | ||
1237 | /* Get the value of __ep. */ | |
1238 | h = bfd_link_hash_lookup (info->hash, "__ep", false, false, true); | |
1239 | if (h == (struct bfd_link_hash_entry *) NULL | |
1240 | || h->type != bfd_link_hash_defined) | |
1241 | return bfd_reloc_continue; /* Actually this indicates that __ep could not be found. */ | |
c322f1b5 | 1242 | |
def31039 NC |
1243 | ep = (h->u.def.value |
1244 | + h->u.def.section->output_section->vma | |
1245 | + h->u.def.section->output_offset); | |
1246 | value -= ep; | |
1247 | ||
1248 | insn = bfd_get_16 (input_bfd, hit_data); | |
c322f1b5 | 1249 | |
def31039 NC |
1250 | value += ((insn & 0xf) << 1); |
1251 | ||
1252 | if ((long) value > 0x1e || (long) value < 0) | |
1253 | return bfd_reloc_overflow; | |
1254 | ||
1255 | insn &= 0xfff0; | |
1256 | insn |= (value >> 1); | |
1257 | bfd_put_16 (input_bfd, insn, hit_data); | |
1258 | return bfd_reloc_ok; | |
1259 | } | |
1260 | ||
1261 | case R_V850_TDA_4_4_OFFSET: | |
1262 | { | |
1263 | unsigned long ep; | |
1264 | struct bfd_link_hash_entry * h; | |
1265 | ||
1266 | /* Get the value of __ep. */ | |
1267 | h = bfd_link_hash_lookup (info->hash, "__ep", false, false, true); | |
1268 | if (h == (struct bfd_link_hash_entry *) NULL | |
1269 | || h->type != bfd_link_hash_defined) | |
1270 | return bfd_reloc_continue; /* Actually this indicates that __ep could not be found. */ | |
c322f1b5 | 1271 | |
def31039 NC |
1272 | ep = (h->u.def.value |
1273 | + h->u.def.section->output_section->vma | |
1274 | + h->u.def.section->output_offset); | |
1275 | value -= ep; | |
1276 | ||
1277 | insn = bfd_get_16 (input_bfd, hit_data); | |
c322f1b5 | 1278 | |
def31039 NC |
1279 | value += insn & 0xf; |
1280 | ||
1281 | if ((long) value > 0xf || (long) value < 0) | |
1282 | return bfd_reloc_overflow; | |
1283 | ||
1284 | insn &= 0xfff0; | |
1285 | insn |= value; | |
1286 | bfd_put_16 (input_bfd, insn, hit_data); | |
1287 | return bfd_reloc_ok; | |
1288 | } | |
1289 | ||
1290 | case R_V850_SDA_16_16_SPLIT_OFFSET: | |
db1fa6ab NC |
1291 | if (sym_sec == NULL) |
1292 | return bfd_reloc_undefined; | |
1293 | ||
def31039 NC |
1294 | { |
1295 | unsigned long gp; | |
1296 | struct bfd_link_hash_entry * h; | |
c322f1b5 | 1297 | |
def31039 NC |
1298 | /* Get the value of __gp. */ |
1299 | h = bfd_link_hash_lookup (info->hash, "__gp", false, false, true); | |
1300 | if (h == (struct bfd_link_hash_entry *) NULL | |
1301 | || h->type != bfd_link_hash_defined) | |
1302 | return bfd_reloc_other; | |
c322f1b5 | 1303 | |
def31039 NC |
1304 | gp = (h->u.def.value |
1305 | + h->u.def.section->output_section->vma | |
1306 | + h->u.def.section->output_offset); | |
1307 | ||
1308 | value -= sym_sec->output_section->vma; | |
1309 | value -= (gp - sym_sec->output_section->vma); | |
c322f1b5 | 1310 | |
def31039 NC |
1311 | insn = bfd_get_32 (input_bfd, hit_data); |
1312 | ||
1313 | value += ((insn & 0xfffe0000) >> 16); | |
1314 | value += ((insn & 0x20) >> 5); | |
1315 | ||
1316 | if ((long)value > 0x7fff || (long)value < -0x8000) | |
1317 | return bfd_reloc_overflow; | |
1318 | ||
1319 | insn &= 0x0001ffdf; | |
1320 | insn |= (value & 1) << 5; | |
1321 | insn |= (value & ~1) << 16; | |
1322 | ||
1323 | bfd_put_32 (input_bfd, insn, hit_data); | |
1324 | return bfd_reloc_ok; | |
725b96f5 | 1325 | } |
def31039 NC |
1326 | |
1327 | case R_V850_ZDA_16_16_SPLIT_OFFSET: | |
db1fa6ab NC |
1328 | if (sym_sec == NULL) |
1329 | return bfd_reloc_undefined; | |
1330 | ||
def31039 NC |
1331 | insn = bfd_get_32 (input_bfd, hit_data); |
1332 | ||
1333 | value -= sym_sec->output_section->vma; | |
1334 | value += ((insn & 0xfffe0000) >> 16); | |
1335 | value += ((insn & 0x20) >> 5); | |
1336 | ||
1337 | if ((long)value > 0x7fff || (long)value < -0x8000) | |
1338 | return bfd_reloc_overflow; | |
1339 | ||
1340 | insn &= 0x0001ffdf; | |
1341 | insn |= (value & 1) << 5; | |
1342 | insn |= (value & ~1) << 16; | |
1343 | ||
1344 | bfd_put_32 (input_bfd, insn, hit_data); | |
1345 | return bfd_reloc_ok; | |
1346 | ||
9420c20a NC |
1347 | case R_V850_CALLT_6_7_OFFSET: |
1348 | { | |
1349 | unsigned long ctbp; | |
1350 | struct bfd_link_hash_entry * h; | |
1351 | ||
1352 | /* Get the value of __ctbp. */ | |
1353 | h = bfd_link_hash_lookup (info->hash, "__ctbp", false, false, true); | |
1354 | if (h == (struct bfd_link_hash_entry *) NULL | |
1355 | || h->type != bfd_link_hash_defined) | |
676d3f02 | 1356 | return (bfd_reloc_dangerous + 1); /* Actually this indicates that __ctbp could not be found. */ |
9420c20a NC |
1357 | |
1358 | ctbp = (h->u.def.value | |
1359 | + h->u.def.section->output_section->vma | |
1360 | + h->u.def.section->output_offset); | |
1361 | value -= ctbp; | |
1362 | ||
1363 | insn = bfd_get_16 (input_bfd, hit_data); | |
1364 | ||
1365 | value += ((insn & 0x3f) << 1); | |
1366 | ||
1367 | if ((long) value > 0x7e || (long) value < 0) | |
1368 | return bfd_reloc_overflow; | |
1369 | ||
1370 | insn &= 0xff80; | |
1371 | insn |= (value >> 1); | |
1372 | bfd_put_16 (input_bfd, insn, hit_data); | |
1373 | return bfd_reloc_ok; | |
1374 | } | |
def31039 | 1375 | |
9420c20a NC |
1376 | case R_V850_CALLT_16_16_OFFSET: |
1377 | if (sym_sec == NULL) | |
1378 | return bfd_reloc_undefined; | |
1379 | ||
1380 | { | |
1381 | unsigned long ctbp; | |
1382 | struct bfd_link_hash_entry * h; | |
1383 | ||
1384 | /* Get the value of __ctbp. */ | |
1385 | h = bfd_link_hash_lookup (info->hash, "__ctbp", false, false, true); | |
1386 | if (h == (struct bfd_link_hash_entry *) NULL | |
1387 | || h->type != bfd_link_hash_defined) | |
676d3f02 | 1388 | return (bfd_reloc_dangerous + 1); |
9420c20a NC |
1389 | |
1390 | ctbp = (h->u.def.value | |
1391 | + h->u.def.section->output_section->vma | |
1392 | + h->u.def.section->output_offset); | |
1393 | ||
1394 | value -= sym_sec->output_section->vma; | |
1395 | value -= (ctbp - sym_sec->output_section->vma); | |
1396 | value += (short) bfd_get_16 (input_bfd, hit_data); | |
1397 | ||
1398 | if ((long) value > 0xffff || (long) value < 0) | |
1399 | return bfd_reloc_overflow; | |
1400 | ||
1401 | bfd_put_16 (input_bfd, value, hit_data); | |
1402 | return bfd_reloc_ok; | |
1403 | } | |
1404 | ||
1405 | /* end-sanitize-v850e */ | |
725b96f5 JL |
1406 | |
1407 | case R_V850_NONE: | |
8988d935 NC |
1408 | return bfd_reloc_ok; |
1409 | ||
725b96f5 | 1410 | default: |
8988d935 | 1411 | return bfd_reloc_notsupported; |
725b96f5 | 1412 | } |
725b96f5 JL |
1413 | } |
1414 | ||
de224d6a | 1415 | \f |
725b96f5 | 1416 | /* Relocate an V850 ELF section. */ |
725b96f5 JL |
1417 | static boolean |
1418 | v850_elf_relocate_section (output_bfd, info, input_bfd, input_section, | |
de224d6a | 1419 | contents, relocs, local_syms, local_sections) |
def31039 NC |
1420 | bfd * output_bfd; |
1421 | struct bfd_link_info * info; | |
1422 | bfd * input_bfd; | |
1423 | asection * input_section; | |
1424 | bfd_byte * contents; | |
1425 | Elf_Internal_Rela * relocs; | |
1426 | Elf_Internal_Sym * local_syms; | |
1427 | asection ** local_sections; | |
725b96f5 | 1428 | { |
def31039 NC |
1429 | Elf_Internal_Shdr * symtab_hdr; |
1430 | struct elf_link_hash_entry ** sym_hashes; | |
1431 | Elf_Internal_Rela * rel; | |
1432 | Elf_Internal_Rela * relend; | |
725b96f5 | 1433 | |
def31039 | 1434 | symtab_hdr = & elf_tdata (input_bfd)->symtab_hdr; |
725b96f5 JL |
1435 | sym_hashes = elf_sym_hashes (input_bfd); |
1436 | ||
def31039 | 1437 | rel = relocs; |
725b96f5 JL |
1438 | relend = relocs + input_section->reloc_count; |
1439 | for (; rel < relend; rel++) | |
1440 | { | |
def31039 NC |
1441 | int r_type; |
1442 | reloc_howto_type * howto; | |
1443 | unsigned long r_symndx; | |
1444 | Elf_Internal_Sym * sym; | |
1445 | asection * sec; | |
1446 | struct elf_link_hash_entry * h; | |
1447 | bfd_vma relocation; | |
1448 | bfd_reloc_status_type r; | |
725b96f5 | 1449 | |
8988d935 | 1450 | r_symndx = ELF32_R_SYM (rel->r_info); |
def31039 NC |
1451 | r_type = ELF32_R_TYPE (rel->r_info); |
1452 | howto = v850_elf_howto_table + r_type; | |
8988d935 | 1453 | |
725b96f5 JL |
1454 | if (info->relocateable) |
1455 | { | |
1456 | /* This is a relocateable link. We don't have to change | |
1457 | anything, unless the reloc is against a section symbol, | |
1458 | in which case we have to adjust according to where the | |
1459 | section symbol winds up in the output section. */ | |
1460 | if (r_symndx < symtab_hdr->sh_info) | |
1461 | { | |
1462 | sym = local_syms + r_symndx; | |
1463 | if (ELF_ST_TYPE (sym->st_info) == STT_SECTION) | |
1464 | { | |
1465 | sec = local_sections[r_symndx]; | |
1466 | rel->r_addend += sec->output_offset + sym->st_value; | |
1467 | } | |
1468 | } | |
1469 | ||
1470 | continue; | |
1471 | } | |
1472 | ||
725b96f5 JL |
1473 | /* This is a final link. */ |
1474 | h = NULL; | |
1475 | sym = NULL; | |
1476 | sec = NULL; | |
1477 | if (r_symndx < symtab_hdr->sh_info) | |
1478 | { | |
1479 | sym = local_syms + r_symndx; | |
1480 | sec = local_sections[r_symndx]; | |
1481 | relocation = (sec->output_section->vma | |
1482 | + sec->output_offset | |
1483 | + sym->st_value); | |
def31039 NC |
1484 | #if 0 |
1485 | { | |
1486 | char * name; | |
1487 | name = bfd_elf_string_from_elf_section (input_bfd, symtab_hdr->sh_link, sym->st_name); | |
1488 | name = (name == NULL) ? "<none>" : name; | |
1489 | fprintf (stderr, "local: sec: %s, sym: %s (%d), value: %x + %x + %x addend %x rel %x\n", sec->name, name, sym->st_name, | |
1490 | sec->output_section->vma, sec->output_offset, sym->st_value, rel->r_addend, rel); | |
1491 | } | |
1492 | #endif | |
725b96f5 JL |
1493 | } |
1494 | else | |
1495 | { | |
1496 | h = sym_hashes[r_symndx - symtab_hdr->sh_info]; | |
def31039 | 1497 | |
725b96f5 JL |
1498 | while (h->root.type == bfd_link_hash_indirect |
1499 | || h->root.type == bfd_link_hash_warning) | |
1500 | h = (struct elf_link_hash_entry *) h->root.u.i.link; | |
def31039 | 1501 | |
725b96f5 JL |
1502 | if (h->root.type == bfd_link_hash_defined |
1503 | || h->root.type == bfd_link_hash_defweak) | |
1504 | { | |
1505 | sec = h->root.u.def.section; | |
1506 | relocation = (h->root.u.def.value | |
1507 | + sec->output_section->vma | |
1508 | + sec->output_offset); | |
676d3f02 NC |
1509 | #if 0 |
1510 | fprintf (stderr, "defined: sec: %s, name: %s, value: %x + %x + %x gives: %x\n", | |
1511 | sec->name, h->root.root.string, h->root.u.def.value, sec->output_section->vma, sec->output_offset, relocation); | |
1512 | #endif | |
725b96f5 JL |
1513 | } |
1514 | else if (h->root.type == bfd_link_hash_undefweak) | |
676d3f02 NC |
1515 | { |
1516 | #if 0 | |
1517 | fprintf (stderr, "undefined: sec: %s, name: %s\n", | |
1518 | sec->name, h->root.root.string); | |
1519 | #endif | |
1520 | relocation = 0; | |
1521 | } | |
725b96f5 JL |
1522 | else |
1523 | { | |
1524 | if (! ((*info->callbacks->undefined_symbol) | |
1525 | (info, h->root.root.string, input_bfd, | |
1526 | input_section, rel->r_offset))) | |
1527 | return false; | |
676d3f02 NC |
1528 | #if 0 |
1529 | fprintf (stderr, "unknown: name: %s\n", h->root.root.string); | |
1530 | #endif | |
725b96f5 JL |
1531 | relocation = 0; |
1532 | } | |
1533 | } | |
1534 | ||
1535 | /* FIXME: We should use the addend, but the COFF relocations | |
1536 | don't. */ | |
de224d6a MM |
1537 | r = v850_elf_final_link_relocate (howto, input_bfd, output_bfd, |
1538 | input_section, | |
1539 | contents, rel->r_offset, | |
1540 | relocation, rel->r_addend, | |
1541 | info, sec, h == NULL); | |
725b96f5 JL |
1542 | |
1543 | if (r != bfd_reloc_ok) | |
1544 | { | |
def31039 NC |
1545 | const char * name; |
1546 | const char * msg = (const char *)0; | |
8988d935 NC |
1547 | |
1548 | if (h != NULL) | |
1549 | name = h->root.root.string; | |
1550 | else | |
1551 | { | |
1552 | name = (bfd_elf_string_from_elf_section | |
1553 | (input_bfd, symtab_hdr->sh_link, sym->st_name)); | |
1554 | if (name == NULL || *name == '\0') | |
1555 | name = bfd_section_name (input_bfd, sec); | |
1556 | } | |
1557 | ||
725b96f5 JL |
1558 | switch (r) |
1559 | { | |
725b96f5 | 1560 | case bfd_reloc_overflow: |
8988d935 NC |
1561 | if (! ((*info->callbacks->reloc_overflow) |
1562 | (info, name, howto->name, (bfd_vma) 0, | |
1563 | input_bfd, input_section, rel->r_offset))) | |
1564 | return false; | |
1565 | break; | |
1566 | ||
1567 | case bfd_reloc_undefined: | |
1568 | if (! ((*info->callbacks->undefined_symbol) | |
1569 | (info, name, input_bfd, input_section, | |
1570 | rel->r_offset))) | |
1571 | return false; | |
1572 | break; | |
1573 | ||
1574 | case bfd_reloc_outofrange: | |
1575 | msg = "internal error: out of range error"; | |
1576 | goto common_error; | |
1577 | ||
1578 | case bfd_reloc_notsupported: | |
1579 | msg = "internal error: unsupported relocation error"; | |
1580 | goto common_error; | |
1581 | ||
1582 | case bfd_reloc_dangerous: | |
def31039 NC |
1583 | msg = "internal error: dangerous relocation"; |
1584 | goto common_error; | |
1585 | ||
1586 | case bfd_reloc_other: | |
1587 | msg = "could not locate special linker symbol __gp"; | |
1588 | goto common_error; | |
1589 | ||
1590 | case bfd_reloc_continue: | |
1591 | msg = "could not locate special linker symbol __ep"; | |
8988d935 NC |
1592 | goto common_error; |
1593 | ||
676d3f02 NC |
1594 | case (bfd_reloc_dangerous + 1): |
1595 | msg = "could not locate special linker symbol __ctbp"; | |
1596 | goto common_error; | |
1597 | ||
8988d935 NC |
1598 | default: |
1599 | msg = "internal error: unknown error"; | |
1600 | /* fall through */ | |
1601 | ||
1602 | common_error: | |
1603 | if (!((*info->callbacks->warning) | |
1604 | (info, msg, name, input_bfd, input_section, | |
1605 | rel->r_offset))) | |
1606 | return false; | |
725b96f5 JL |
1607 | break; |
1608 | } | |
1609 | } | |
1610 | } | |
1611 | ||
1612 | return true; | |
1613 | } | |
01b49cb3 | 1614 | |
8988d935 | 1615 | /* Set the right machine number. */ |
8988d935 NC |
1616 | static boolean |
1617 | v850_elf_object_p (abfd) | |
1618 | bfd *abfd; | |
1619 | { | |
8bef8c30 | 1620 | switch (elf_elfheader (abfd)->e_flags & EF_V850_ARCH) |
8988d935 NC |
1621 | { |
1622 | default: | |
8bef8c30 | 1623 | case E_V850_ARCH: (void) bfd_default_set_arch_mach (abfd, bfd_arch_v850, 0); break; |
8988d935 | 1624 | /* start-sanitize-v850e */ |
8bef8c30 | 1625 | case E_V850E_ARCH: (void) bfd_default_set_arch_mach (abfd, bfd_arch_v850, bfd_mach_v850e); break; |
8bef8c30 | 1626 | case E_V850EQ_ARCH: (void) bfd_default_set_arch_mach (abfd, bfd_arch_v850, bfd_mach_v850eq); break; |
15d82b26 | 1627 | /* end-sanitize-v850e */ |
8988d935 NC |
1628 | } |
1629 | } | |
1630 | ||
8bef8c30 NC |
1631 | /* Store the machine number in the flags field. */ |
1632 | void | |
1633 | v850_elf_final_write_processing (abfd, linker) | |
1634 | bfd * abfd; | |
1635 | boolean linker; | |
1636 | { | |
1637 | unsigned long val; | |
1638 | ||
1639 | switch (bfd_get_mach (abfd)) | |
1640 | { | |
1641 | default: | |
1642 | case 0: val = E_V850_ARCH; break; | |
8988d935 | 1643 | /* start-sanitize-v850e */ |
15d82b26 | 1644 | case bfd_mach_v850e: val = E_V850E_ARCH; break; |
8bef8c30 | 1645 | case bfd_mach_v850eq: val = E_V850EQ_ARCH; break; |
15d82b26 | 1646 | /* end-sanitize-v850e */ |
8bef8c30 NC |
1647 | } |
1648 | ||
1649 | elf_elfheader (abfd)->e_flags &=~ EF_V850_ARCH; | |
1650 | elf_elfheader (abfd)->e_flags |= val; | |
1651 | } | |
1652 | ||
1653 | /* Function to keep V850 specific file flags. */ | |
1654 | boolean | |
1655 | v850_elf_set_private_flags (abfd, flags) | |
1656 | bfd * abfd; | |
1657 | flagword flags; | |
1658 | { | |
1659 | BFD_ASSERT (!elf_flags_init (abfd) | |
1660 | || elf_elfheader (abfd)->e_flags == flags); | |
1661 | ||
1662 | elf_elfheader (abfd)->e_flags = flags; | |
1663 | elf_flags_init (abfd) = true; | |
1664 | return true; | |
1665 | } | |
1666 | ||
1667 | /* Copy backend specific data from one object module to another */ | |
1668 | boolean | |
1669 | v850_elf_copy_private_bfd_data (ibfd, obfd) | |
1670 | bfd * ibfd; | |
1671 | bfd * obfd; | |
1672 | { | |
1673 | if ( bfd_get_flavour (ibfd) != bfd_target_elf_flavour | |
1674 | || bfd_get_flavour (obfd) != bfd_target_elf_flavour) | |
1675 | return true; | |
1676 | ||
1677 | BFD_ASSERT (!elf_flags_init (obfd) | |
1678 | || (elf_elfheader (obfd)->e_flags | |
1679 | == elf_elfheader (ibfd)->e_flags)); | |
1680 | ||
1681 | elf_gp (obfd) = elf_gp (ibfd); | |
1682 | elf_elfheader (obfd)->e_flags = elf_elfheader (ibfd)->e_flags; | |
1683 | elf_flags_init (obfd) = true; | |
1684 | return true; | |
1685 | } | |
1686 | ||
1687 | /* Merge backend specific data from an object file to the output | |
1688 | object file when linking. */ | |
1689 | boolean | |
1690 | v850_elf_merge_private_bfd_data (ibfd, obfd) | |
1691 | bfd * ibfd; | |
1692 | bfd * obfd; | |
1693 | { | |
1694 | flagword old_flags; | |
1695 | flagword new_flags; | |
1696 | ||
1697 | if ( bfd_get_flavour (ibfd) != bfd_target_elf_flavour | |
1698 | || bfd_get_flavour (obfd) != bfd_target_elf_flavour) | |
1699 | return true; | |
1700 | ||
1701 | new_flags = elf_elfheader (ibfd)->e_flags; | |
1702 | old_flags = elf_elfheader (obfd)->e_flags; | |
1703 | ||
1704 | if (! elf_flags_init (obfd)) | |
1705 | { | |
1706 | elf_flags_init (obfd) = true; | |
1707 | elf_elfheader (obfd)->e_flags = new_flags; | |
1708 | ||
1709 | if (bfd_get_arch (obfd) == bfd_get_arch (ibfd) | |
1710 | && bfd_get_arch_info (obfd)->the_default) | |
1711 | { | |
1712 | return bfd_set_arch_mach (obfd, bfd_get_arch (ibfd), bfd_get_mach (ibfd)); | |
1713 | } | |
1714 | ||
1715 | return true; | |
1716 | } | |
1717 | ||
1718 | /* Check flag compatibility. */ | |
8988d935 | 1719 | |
8bef8c30 NC |
1720 | if (new_flags == old_flags) |
1721 | return true; | |
1722 | ||
1723 | if ((new_flags & EF_V850_ARCH) != (old_flags & EF_V850_ARCH)) | |
1724 | { | |
1725 | _bfd_error_handler ("%s: Architecture mismatch with previous modules", | |
1726 | bfd_get_filename (ibfd)); | |
15d82b26 | 1727 | #if 0 |
8bef8c30 NC |
1728 | bfd_set_error (bfd_error_bad_value); |
1729 | return false; | |
15d82b26 NC |
1730 | #else |
1731 | return true; | |
1732 | #endif | |
8bef8c30 NC |
1733 | } |
1734 | ||
1735 | return true; | |
1736 | } | |
1737 | /* Display the flags field */ | |
1738 | ||
1739 | static boolean | |
1740 | v850_elf_print_private_bfd_data (abfd, ptr) | |
1741 | bfd * abfd; | |
1742 | PTR ptr; | |
1743 | { | |
1744 | FILE * file = (FILE *) ptr; | |
1745 | ||
1746 | BFD_ASSERT (abfd != NULL && ptr != NULL) | |
1747 | ||
1748 | fprintf (file, "private flags = %x", elf_elfheader (abfd)->e_flags); | |
1749 | ||
1750 | switch (elf_elfheader (abfd)->e_flags & EF_V850_ARCH) | |
1751 | { | |
1752 | default: | |
98ab32a5 | 1753 | case E_V850_ARCH: fprintf (file, ": v850 architecture"); break; |
8bef8c30 | 1754 | /* start-sanitize-v850e */ |
15d82b26 | 1755 | case E_V850E_ARCH: fprintf (file, ": v850e architecture"); break; |
98ab32a5 | 1756 | case E_V850EQ_ARCH: fprintf (file, ": v850eq architecture"); break; |
15d82b26 | 1757 | /* end-sanitize-v850e */ |
8bef8c30 NC |
1758 | } |
1759 | ||
1760 | fputc ('\n', file); | |
1761 | ||
1762 | return true; | |
1763 | } | |
1764 | \f | |
1765 | #define TARGET_LITTLE_SYM bfd_elf32_v850_vec | |
1766 | #define TARGET_LITTLE_NAME "elf32-v850" | |
1767 | #define ELF_ARCH bfd_arch_v850 | |
1768 | #define ELF_MACHINE_CODE EM_CYGNUS_V850 | |
de224d6a MM |
1769 | #define ELF_MAXPAGESIZE 0x1000 |
1770 | ||
1771 | #define elf_info_to_howto 0 | |
1772 | #define elf_info_to_howto_rel v850_elf_info_to_howto_rel | |
1773 | #define elf_backend_check_relocs v850_elf_check_relocs | |
1774 | #define elf_backend_relocate_section v850_elf_relocate_section | |
8988d935 | 1775 | #define elf_backend_object_p v850_elf_object_p |
8bef8c30 | 1776 | #define elf_backend_final_write_processing v850_elf_final_write_processing |
8988d935 | 1777 | #define bfd_elf32_bfd_is_local_label_name v850_elf_is_local_label_name |
de224d6a | 1778 | #define bfd_elf32_bfd_reloc_type_lookup v850_elf_reloc_type_lookup |
8bef8c30 NC |
1779 | #define bfd_elf32_bfd_copy_private_bfd_data v850_elf_copy_private_bfd_data |
1780 | #define bfd_elf32_bfd_merge_private_bfd_data v850_elf_merge_private_bfd_data | |
1781 | #define bfd_elf32_bfd_set_private_flags v850_elf_set_private_flags | |
1782 | #define bfd_elf32_bfd_print_private_bfd_data v850_elf_print_private_bfd_data | |
de224d6a MM |
1783 | |
1784 | #define elf_symbol_leading_char '_' | |
1336da39 | 1785 | |
01b49cb3 | 1786 | #include "elf32-target.h" |