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 | |
22a9f052 NC |
33 | /* sign-extend a 24-bit number */ |
34 | #define SEXT24(x) ((((x) & 0xffffff) ^ (~ 0x7fffff)) + 0x800000) | |
35 | ||
de224d6a | 36 | static reloc_howto_type *v850_elf_reloc_type_lookup |
01b49cb3 | 37 | PARAMS ((bfd *abfd, bfd_reloc_code_real_type code)); |
de224d6a | 38 | static void v850_elf_info_to_howto_rel |
01b49cb3 | 39 | PARAMS ((bfd *, arelent *, Elf32_Internal_Rel *)); |
de224d6a | 40 | static bfd_reloc_status_type v850_elf_reloc |
e73b6ae6 | 41 | PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); |
8988d935 | 42 | static boolean v850_elf_is_local_label_name PARAMS ((bfd *, const char *)); |
de224d6a MM |
43 | static boolean v850_elf_relocate_section PARAMS((bfd *, |
44 | struct bfd_link_info *, | |
45 | bfd *, | |
46 | asection *, | |
47 | bfd_byte *, | |
48 | Elf_Internal_Rela *, | |
49 | Elf_Internal_Sym *, | |
50 | asection **)); | |
01b49cb3 C |
51 | /* Try to minimize the amount of space occupied by relocation tables |
52 | on the ROM (not that the ROM won't be swamped by other ELF overhead). */ | |
53 | #define USE_REL | |
54 | ||
def31039 NC |
55 | /* Note: It is REQUIRED that the 'type' value of each entry in this array |
56 | match the index of the entry in the array. */ | |
de224d6a | 57 | static reloc_howto_type v850_elf_howto_table[] = |
01b49cb3 C |
58 | { |
59 | /* This reloc does nothing. */ | |
de224d6a MM |
60 | HOWTO (R_V850_NONE, /* type */ |
61 | 0, /* rightshift */ | |
62 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
63 | 32, /* bitsize */ | |
64 | false, /* pc_relative */ | |
65 | 0, /* bitpos */ | |
66 | complain_overflow_bitfield, /* complain_on_overflow */ | |
67 | bfd_elf_generic_reloc, /* special_function */ | |
68 | "R_V850_NONE", /* name */ | |
69 | false, /* partial_inplace */ | |
70 | 0, /* src_mask */ | |
71 | 0, /* dst_mask */ | |
72 | false), /* pcrel_offset */ | |
01b49cb3 C |
73 | |
74 | /* A PC relative 9 bit branch. */ | |
de224d6a MM |
75 | HOWTO (R_V850_9_PCREL, /* type */ |
76 | 2, /* rightshift */ | |
77 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
78 | 26, /* bitsize */ | |
79 | true, /* pc_relative */ | |
80 | 0, /* bitpos */ | |
81 | complain_overflow_bitfield, /* complain_on_overflow */ | |
82 | v850_elf_reloc, /* special_function */ | |
83 | "R_V850_9_PCREL", /* name */ | |
84 | false, /* partial_inplace */ | |
85 | 0x00ffffff, /* src_mask */ | |
86 | 0x00ffffff, /* dst_mask */ | |
87 | true), /* pcrel_offset */ | |
01b49cb3 C |
88 | |
89 | /* A PC relative 22 bit branch. */ | |
de224d6a MM |
90 | HOWTO (R_V850_22_PCREL, /* type */ |
91 | 2, /* rightshift */ | |
92 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
93 | 22, /* bitsize */ | |
94 | true, /* pc_relative */ | |
95 | 7, /* bitpos */ | |
96 | complain_overflow_signed, /* complain_on_overflow */ | |
97 | v850_elf_reloc, /* special_function */ | |
98 | "R_V850_22_PCREL", /* name */ | |
99 | false, /* partial_inplace */ | |
100 | 0x07ffff80, /* src_mask */ | |
101 | 0x07ffff80, /* dst_mask */ | |
102 | true), /* pcrel_offset */ | |
01b49cb3 C |
103 | |
104 | /* High 16 bits of symbol value. */ | |
de224d6a MM |
105 | HOWTO (R_V850_HI16_S, /* type */ |
106 | 0, /* rightshift */ | |
107 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
108 | 16, /* bitsize */ | |
109 | false, /* pc_relative */ | |
110 | 0, /* bitpos */ | |
111 | complain_overflow_dont, /* complain_on_overflow */ | |
112 | v850_elf_reloc, /* special_function */ | |
113 | "R_V850_HI16_S", /* name */ | |
114 | true, /* partial_inplace */ | |
115 | 0xffff, /* src_mask */ | |
116 | 0xffff, /* dst_mask */ | |
117 | false), /* pcrel_offset */ | |
01b49cb3 C |
118 | |
119 | /* High 16 bits of symbol value. */ | |
de224d6a MM |
120 | HOWTO (R_V850_HI16, /* type */ |
121 | 0, /* rightshift */ | |
122 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
123 | 16, /* bitsize */ | |
124 | false, /* pc_relative */ | |
125 | 0, /* bitpos */ | |
126 | complain_overflow_dont, /* complain_on_overflow */ | |
127 | v850_elf_reloc, /* special_function */ | |
128 | "R_V850_HI16", /* name */ | |
129 | true, /* partial_inplace */ | |
130 | 0xffff, /* src_mask */ | |
131 | 0xffff, /* dst_mask */ | |
132 | false), /* pcrel_offset */ | |
01b49cb3 C |
133 | |
134 | /* Low 16 bits of symbol value. */ | |
de224d6a MM |
135 | HOWTO (R_V850_LO16, /* type */ |
136 | 0, /* rightshift */ | |
137 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
138 | 16, /* bitsize */ | |
139 | false, /* pc_relative */ | |
140 | 0, /* bitpos */ | |
141 | complain_overflow_dont, /* complain_on_overflow */ | |
8988d935 | 142 | v850_elf_reloc, /* special_function */ |
de224d6a MM |
143 | "R_V850_LO16", /* name */ |
144 | true, /* partial_inplace */ | |
145 | 0xffff, /* src_mask */ | |
146 | 0xffff, /* dst_mask */ | |
147 | false), /* pcrel_offset */ | |
237b5c4c JL |
148 | |
149 | /* Simple 32bit reloc. */ | |
de224d6a MM |
150 | HOWTO (R_V850_32, /* type */ |
151 | 0, /* rightshift */ | |
152 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
153 | 32, /* bitsize */ | |
154 | false, /* pc_relative */ | |
155 | 0, /* bitpos */ | |
156 | complain_overflow_dont, /* complain_on_overflow */ | |
22a9f052 | 157 | v850_elf_reloc, /* special_function */ |
de224d6a MM |
158 | "R_V850_32", /* name */ |
159 | true, /* partial_inplace */ | |
160 | 0xffffffff, /* src_mask */ | |
161 | 0xffffffff, /* dst_mask */ | |
162 | false), /* pcrel_offset */ | |
237b5c4c JL |
163 | |
164 | /* Simple 16bit reloc. */ | |
de224d6a MM |
165 | HOWTO (R_V850_16, /* type */ |
166 | 0, /* rightshift */ | |
167 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
168 | 16, /* bitsize */ | |
169 | false, /* pc_relative */ | |
170 | 0, /* bitpos */ | |
171 | complain_overflow_dont, /* complain_on_overflow */ | |
172 | bfd_elf_generic_reloc, /* special_function */ | |
173 | "R_V850_16", /* name */ | |
174 | true, /* partial_inplace */ | |
175 | 0xffff, /* src_mask */ | |
176 | 0xffff, /* dst_mask */ | |
177 | false), /* pcrel_offset */ | |
afaed5e9 MM |
178 | |
179 | /* Simple 8bit reloc. */ | |
de224d6a MM |
180 | HOWTO (R_V850_8, /* type */ |
181 | 0, /* rightshift */ | |
182 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
183 | 8, /* bitsize */ | |
184 | false, /* pc_relative */ | |
185 | 0, /* bitpos */ | |
186 | complain_overflow_dont, /* complain_on_overflow */ | |
187 | bfd_elf_generic_reloc, /* special_function */ | |
188 | "R_V850_8", /* name */ | |
189 | true, /* partial_inplace */ | |
190 | 0xff, /* src_mask */ | |
191 | 0xff, /* dst_mask */ | |
192 | false), /* pcrel_offset */ | |
b6d08fce | 193 | |
def31039 NC |
194 | /* 16 bit offset from the short data area pointer. */ |
195 | HOWTO (R_V850_SDA_16_16_OFFSET, /* type */ | |
de224d6a MM |
196 | 0, /* rightshift */ |
197 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
198 | 16, /* bitsize */ | |
199 | false, /* pc_relative */ | |
200 | 0, /* bitpos */ | |
201 | complain_overflow_dont, /* complain_on_overflow */ | |
8988d935 | 202 | v850_elf_reloc, /* special_function */ |
def31039 NC |
203 | "R_V850_SDA_16_16_OFFSET", /* name */ |
204 | false, /* partial_inplace */ | |
de224d6a MM |
205 | 0xffff, /* src_mask */ |
206 | 0xffff, /* dst_mask */ | |
207 | false), /* pcrel_offset */ | |
b6d08fce | 208 | |
def31039 NC |
209 | /* 15 bit offset from the short data area pointer. */ |
210 | HOWTO (R_V850_SDA_15_16_OFFSET, /* type */ | |
211 | 1, /* rightshift */ | |
212 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
213 | 16, /* bitsize */ | |
214 | false, /* pc_relative */ | |
215 | 1, /* bitpos */ | |
216 | complain_overflow_dont, /* complain_on_overflow */ | |
217 | v850_elf_reloc, /* special_function */ | |
218 | "R_V850_SDA_15_16_OFFSET", /* name */ | |
219 | false, /* partial_inplace */ | |
220 | 0xfffe, /* src_mask */ | |
221 | 0xfffe, /* dst_mask */ | |
222 | false), /* pcrel_offset */ | |
223 | ||
224 | /* 16 bit offset from the zero data area pointer. */ | |
225 | HOWTO (R_V850_ZDA_16_16_OFFSET, /* type */ | |
de224d6a MM |
226 | 0, /* rightshift */ |
227 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
228 | 16, /* bitsize */ | |
229 | false, /* pc_relative */ | |
230 | 0, /* bitpos */ | |
231 | complain_overflow_dont, /* complain_on_overflow */ | |
8988d935 | 232 | v850_elf_reloc, /* special_function */ |
def31039 NC |
233 | "R_V850_ZDA_16_16_OFFSET", /* name */ |
234 | false, /* partial_inplace */ | |
de224d6a MM |
235 | 0xffff, /* src_mask */ |
236 | 0xffff, /* dst_mask */ | |
237 | false), /* pcrel_offset */ | |
b6d08fce | 238 | |
def31039 NC |
239 | /* 15 bit offset from the zero data area pointer. */ |
240 | HOWTO (R_V850_ZDA_15_16_OFFSET, /* type */ | |
241 | 1, /* rightshift */ | |
242 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
243 | 16, /* bitsize */ | |
244 | false, /* pc_relative */ | |
245 | 1, /* bitpos */ | |
246 | complain_overflow_dont, /* complain_on_overflow */ | |
247 | v850_elf_reloc, /* special_function */ | |
248 | "R_V850_ZDA_15_16_OFFSET", /* name */ | |
249 | false, /* partial_inplace */ | |
250 | 0xfffe, /* src_mask */ | |
251 | 0xfffe, /* dst_mask */ | |
252 | false), /* pcrel_offset */ | |
253 | ||
254 | /* 6 bit offset from the tiny data area pointer. */ | |
255 | HOWTO (R_V850_TDA_6_8_OFFSET, /* type */ | |
256 | 2, /* rightshift */ | |
257 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
258 | 8, /* bitsize */ | |
259 | false, /* pc_relative */ | |
260 | 1, /* bitpos */ | |
261 | complain_overflow_dont, /* complain_on_overflow */ | |
262 | v850_elf_reloc, /* special_function */ | |
263 | "R_V850_TDA_6_8_OFFSET", /* name */ | |
264 | false, /* partial_inplace */ | |
265 | 0x7e, /* src_mask */ | |
266 | 0x7e, /* dst_mask */ | |
267 | false), /* pcrel_offset */ | |
268 | ||
269 | /* 8 bit offset from the tiny data area pointer. */ | |
270 | HOWTO (R_V850_TDA_7_8_OFFSET, /* type */ | |
271 | 1, /* rightshift */ | |
272 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
273 | 8, /* bitsize */ | |
274 | false, /* pc_relative */ | |
275 | 0, /* bitpos */ | |
276 | complain_overflow_dont, /* complain_on_overflow */ | |
277 | v850_elf_reloc, /* special_function */ | |
278 | "R_V850_TDA_7_8_OFFSET", /* name */ | |
279 | false, /* partial_inplace */ | |
280 | 0x7f, /* src_mask */ | |
281 | 0x7f, /* dst_mask */ | |
282 | false), /* pcrel_offset */ | |
283 | ||
284 | /* 7 bit offset from the tiny data area pointer. */ | |
285 | HOWTO (R_V850_TDA_7_7_OFFSET, /* type */ | |
286 | 0, /* rightshift */ | |
287 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
288 | 7, /* bitsize */ | |
289 | false, /* pc_relative */ | |
290 | 0, /* bitpos */ | |
291 | complain_overflow_dont, /* complain_on_overflow */ | |
292 | v850_elf_reloc, /* special_function */ | |
293 | "R_V850_TDA_7_7_OFFSET", /* name */ | |
294 | false, /* partial_inplace */ | |
295 | 0x7f, /* src_mask */ | |
296 | 0x7f, /* dst_mask */ | |
297 | false), /* pcrel_offset */ | |
298 | ||
5bb28764 NC |
299 | /* 16 bit offset from the tiny data area pointer! */ |
300 | HOWTO (R_V850_TDA_16_16_OFFSET, /* type */ | |
301 | 0, /* rightshift */ | |
302 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
303 | 16, /* bitsize */ | |
304 | false, /* pc_relative */ | |
305 | 0, /* bitpos */ | |
306 | complain_overflow_dont, /* complain_on_overflow */ | |
307 | v850_elf_reloc, /* special_function */ | |
308 | "R_V850_TDA_16_16_OFFSET", /* name */ | |
309 | false, /* partial_inplace */ | |
310 | 0xffff, /* src_mask */ | |
311 | 0xfff, /* dst_mask */ | |
312 | false), /* pcrel_offset */ | |
313 | ||
def31039 NC |
314 | /* start-sanitize-v850e */ |
315 | ||
316 | /* 5 bit offset from the tiny data area pointer. */ | |
317 | HOWTO (R_V850_TDA_4_5_OFFSET, /* type */ | |
318 | 1, /* rightshift */ | |
319 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
320 | 5, /* bitsize */ | |
321 | false, /* pc_relative */ | |
322 | 0, /* bitpos */ | |
323 | complain_overflow_dont, /* complain_on_overflow */ | |
324 | v850_elf_reloc, /* special_function */ | |
325 | "R_V850_TDA_4_5_OFFSET", /* name */ | |
326 | false, /* partial_inplace */ | |
327 | 0x0f, /* src_mask */ | |
328 | 0x0f, /* dst_mask */ | |
329 | false), /* pcrel_offset */ | |
330 | ||
331 | /* 4 bit offset from the tiny data area pointer. */ | |
332 | HOWTO (R_V850_TDA_4_4_OFFSET, /* type */ | |
333 | 0, /* rightshift */ | |
334 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
335 | 4, /* bitsize */ | |
336 | false, /* pc_relative */ | |
337 | 0, /* bitpos */ | |
338 | complain_overflow_dont, /* complain_on_overflow */ | |
339 | v850_elf_reloc, /* special_function */ | |
340 | "R_V850_TDA_4_4_OFFSET", /* name */ | |
341 | false, /* partial_inplace */ | |
342 | 0x0f, /* src_mask */ | |
343 | 0x0f, /* dst_mask */ | |
344 | false), /* pcrel_offset */ | |
345 | ||
346 | /* 16 bit offset from the short data area pointer. */ | |
347 | HOWTO (R_V850_SDA_16_16_SPLIT_OFFSET, /* type */ | |
de224d6a MM |
348 | 0, /* rightshift */ |
349 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
def31039 | 350 | 16, /* bitsize */ |
de224d6a MM |
351 | false, /* pc_relative */ |
352 | 0, /* bitpos */ | |
353 | complain_overflow_dont, /* complain_on_overflow */ | |
8988d935 | 354 | v850_elf_reloc, /* special_function */ |
def31039 NC |
355 | "R_V850_SDA_16_16_SPLIT_OFFSET",/* name */ |
356 | false, /* partial_inplace */ | |
357 | 0xfffe0020, /* src_mask */ | |
358 | 0xfffe0020, /* dst_mask */ | |
de224d6a | 359 | false), /* pcrel_offset */ |
b6d08fce | 360 | |
def31039 NC |
361 | /* 16 bit offset from the zero data area pointer. */ |
362 | HOWTO (R_V850_ZDA_16_16_SPLIT_OFFSET, /* type */ | |
363 | 0, /* rightshift */ | |
364 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
365 | 16, /* bitsize */ | |
366 | false, /* pc_relative */ | |
367 | 0, /* bitpos */ | |
368 | complain_overflow_dont, /* complain_on_overflow */ | |
369 | v850_elf_reloc, /* special_function */ | |
370 | "R_V850_ZDA_16_16_SPLIT_OFFSET",/* name */ | |
371 | false, /* partial_inplace */ | |
372 | 0xfffe0020, /* src_mask */ | |
373 | 0xfffe0020, /* dst_mask */ | |
374 | false), /* pcrel_offset */ | |
375 | ||
9420c20a NC |
376 | /* 6 bit offset from the call table base pointer. */ |
377 | HOWTO (R_V850_CALLT_6_7_OFFSET, /* type */ | |
378 | 0, /* rightshift */ | |
379 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
380 | 7, /* bitsize */ | |
381 | false, /* pc_relative */ | |
382 | 0, /* bitpos */ | |
383 | complain_overflow_dont, /* complain_on_overflow */ | |
384 | v850_elf_reloc, /* special_function */ | |
385 | "R_V850_CALLT_6_7_OFFSET", /* name */ | |
386 | false, /* partial_inplace */ | |
387 | 0x3f, /* src_mask */ | |
388 | 0x3f, /* dst_mask */ | |
389 | false), /* pcrel_offset */ | |
390 | ||
391 | /* 16 bit offset from the call table base pointer. */ | |
392 | HOWTO (R_V850_CALLT_16_16_OFFSET, /* type */ | |
393 | 0, /* rightshift */ | |
394 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
395 | 16, /* bitsize */ | |
396 | false, /* pc_relative */ | |
397 | 0, /* bitpos */ | |
398 | complain_overflow_dont, /* complain_on_overflow */ | |
399 | v850_elf_reloc, /* special_function */ | |
400 | "R_V850_CALLT_16_16_OFFSET", /* name */ | |
401 | false, /* partial_inplace */ | |
402 | 0xffff, /* src_mask */ | |
403 | 0xffff, /* dst_mask */ | |
404 | false), /* pcrel_offset */ | |
405 | ||
def31039 | 406 | /* end-sanitize-v850e */ |
01b49cb3 C |
407 | }; |
408 | ||
409 | /* Map BFD reloc types to V850 ELF reloc types. */ | |
410 | ||
de224d6a | 411 | struct v850_elf_reloc_map |
01b49cb3 C |
412 | { |
413 | unsigned char bfd_reloc_val; | |
414 | unsigned char elf_reloc_val; | |
415 | }; | |
416 | ||
de224d6a | 417 | static const struct v850_elf_reloc_map v850_elf_reloc_map[] = |
01b49cb3 | 418 | { |
def31039 NC |
419 | { BFD_RELOC_NONE, R_V850_NONE }, |
420 | { BFD_RELOC_V850_9_PCREL, R_V850_9_PCREL }, | |
def31039 NC |
421 | { BFD_RELOC_V850_22_PCREL, R_V850_22_PCREL }, |
422 | { BFD_RELOC_HI16_S, R_V850_HI16_S }, | |
423 | { BFD_RELOC_HI16, R_V850_HI16 }, | |
424 | { BFD_RELOC_LO16, R_V850_LO16 }, | |
425 | { BFD_RELOC_32, R_V850_32 }, | |
426 | { BFD_RELOC_16, R_V850_16 }, | |
427 | { BFD_RELOC_8, R_V850_8 }, | |
428 | { BFD_RELOC_V850_SDA_16_16_OFFSET, R_V850_SDA_16_16_OFFSET }, | |
429 | { BFD_RELOC_V850_SDA_15_16_OFFSET, R_V850_SDA_15_16_OFFSET }, | |
430 | { BFD_RELOC_V850_ZDA_16_16_OFFSET, R_V850_ZDA_16_16_OFFSET }, | |
431 | { BFD_RELOC_V850_ZDA_15_16_OFFSET, R_V850_ZDA_15_16_OFFSET }, | |
9420c20a NC |
432 | { BFD_RELOC_V850_TDA_6_8_OFFSET, R_V850_TDA_6_8_OFFSET }, |
433 | { BFD_RELOC_V850_TDA_7_8_OFFSET, R_V850_TDA_7_8_OFFSET }, | |
434 | { BFD_RELOC_V850_TDA_7_7_OFFSET, R_V850_TDA_7_7_OFFSET }, | |
5bb28764 | 435 | { BFD_RELOC_V850_TDA_16_16_OFFSET, R_V850_TDA_16_16_OFFSET }, |
def31039 | 436 | /* start-sanitize-v850e */ |
9420c20a NC |
437 | { BFD_RELOC_V850_TDA_4_5_OFFSET, R_V850_TDA_4_5_OFFSET }, |
438 | { BFD_RELOC_V850_TDA_4_4_OFFSET, R_V850_TDA_4_4_OFFSET }, | |
def31039 NC |
439 | { BFD_RELOC_V850_SDA_16_16_SPLIT_OFFSET, R_V850_SDA_16_16_SPLIT_OFFSET }, |
440 | { BFD_RELOC_V850_ZDA_16_16_SPLIT_OFFSET, R_V850_ZDA_16_16_SPLIT_OFFSET }, | |
9420c20a NC |
441 | { BFD_RELOC_V850_CALLT_6_7_OFFSET, R_V850_CALLT_6_7_OFFSET }, |
442 | { BFD_RELOC_V850_CALLT_16_16_OFFSET, R_V850_CALLT_16_16_OFFSET }, | |
def31039 | 443 | /* end-sanitize-v850e */ |
01b49cb3 C |
444 | }; |
445 | ||
de224d6a MM |
446 | \f |
447 | /* Map a bfd relocation into the appropriate howto structure */ | |
01b49cb3 | 448 | static reloc_howto_type * |
de224d6a | 449 | v850_elf_reloc_type_lookup (abfd, code) |
9420c20a NC |
450 | bfd * abfd; |
451 | bfd_reloc_code_real_type code; | |
01b49cb3 C |
452 | { |
453 | unsigned int i; | |
454 | ||
455 | for (i = 0; | |
de224d6a | 456 | i < sizeof (v850_elf_reloc_map) / sizeof (struct v850_elf_reloc_map); |
01b49cb3 C |
457 | i++) |
458 | { | |
de224d6a | 459 | if (v850_elf_reloc_map[i].bfd_reloc_val == code) |
def31039 NC |
460 | { |
461 | BFD_ASSERT (v850_elf_howto_table[v850_elf_reloc_map[i].elf_reloc_val].type == v850_elf_reloc_map[i].elf_reloc_val); | |
462 | ||
463 | return & v850_elf_howto_table[v850_elf_reloc_map[i].elf_reloc_val]; | |
464 | } | |
01b49cb3 C |
465 | } |
466 | ||
467 | return NULL; | |
468 | } | |
469 | ||
de224d6a | 470 | \f |
01b49cb3 | 471 | /* Set the howto pointer for an V850 ELF reloc. */ |
01b49cb3 | 472 | static void |
de224d6a | 473 | v850_elf_info_to_howto_rel (abfd, cache_ptr, dst) |
9420c20a NC |
474 | bfd * abfd; |
475 | arelent * cache_ptr; | |
476 | Elf32_Internal_Rel * dst; | |
01b49cb3 C |
477 | { |
478 | unsigned int r_type; | |
479 | ||
480 | r_type = ELF32_R_TYPE (dst->r_info); | |
481 | BFD_ASSERT (r_type < (unsigned int) R_V850_max); | |
de224d6a MM |
482 | cache_ptr->howto = &v850_elf_howto_table[r_type]; |
483 | } | |
484 | ||
485 | \f | |
486 | /* Look through the relocs for a section during the first phase, and | |
487 | allocate space in the global offset table or procedure linkage | |
488 | table. */ | |
489 | ||
490 | static boolean | |
491 | v850_elf_check_relocs (abfd, info, sec, relocs) | |
9420c20a NC |
492 | bfd * abfd; |
493 | struct bfd_link_info * info; | |
494 | asection * sec; | |
495 | const Elf_Internal_Rela * relocs; | |
de224d6a MM |
496 | { |
497 | boolean ret = true; | |
498 | bfd *dynobj; | |
499 | Elf_Internal_Shdr *symtab_hdr; | |
500 | struct elf_link_hash_entry **sym_hashes; | |
501 | const Elf_Internal_Rela *rel; | |
502 | const Elf_Internal_Rela *rel_end; | |
503 | asection *sreloc; | |
22a9f052 | 504 | enum v850_reloc_type r_type; |
de224d6a MM |
505 | int other = 0; |
506 | const char *common = (const char *)0; | |
507 | ||
508 | if (info->relocateable) | |
509 | return true; | |
510 | ||
511 | #ifdef DEBUG | |
512 | fprintf (stderr, "v850_elf_check_relocs called for section %s in %s\n", | |
513 | bfd_get_section_name (abfd, sec), | |
514 | bfd_get_filename (abfd)); | |
515 | #endif | |
516 | ||
517 | dynobj = elf_hash_table (info)->dynobj; | |
518 | symtab_hdr = &elf_tdata (abfd)->symtab_hdr; | |
519 | sym_hashes = elf_sym_hashes (abfd); | |
520 | sreloc = NULL; | |
521 | ||
522 | rel_end = relocs + sec->reloc_count; | |
523 | for (rel = relocs; rel < rel_end; rel++) | |
524 | { | |
525 | unsigned long r_symndx; | |
526 | struct elf_link_hash_entry *h; | |
527 | ||
528 | r_symndx = ELF32_R_SYM (rel->r_info); | |
529 | if (r_symndx < symtab_hdr->sh_info) | |
530 | h = NULL; | |
531 | else | |
532 | h = sym_hashes[r_symndx - symtab_hdr->sh_info]; | |
533 | ||
22a9f052 | 534 | r_type = (enum v850_reloc_type) ELF32_R_TYPE (rel->r_info); |
de224d6a MM |
535 | switch (r_type) |
536 | { | |
537 | default: | |
538 | case R_V850_NONE: | |
539 | case R_V850_9_PCREL: | |
540 | case R_V850_22_PCREL: | |
541 | case R_V850_HI16_S: | |
542 | case R_V850_HI16: | |
543 | case R_V850_LO16: | |
544 | case R_V850_32: | |
545 | case R_V850_16: | |
546 | case R_V850_8: | |
9420c20a NC |
547 | /* start-sanitize-v850e */ |
548 | case R_V850_CALLT_6_7_OFFSET: | |
549 | case R_V850_CALLT_16_16_OFFSET: | |
550 | /* end-sanitize-v850e */ | |
de224d6a MM |
551 | break; |
552 | ||
def31039 NC |
553 | /* start-sanitize-v850e */ |
554 | case R_V850_SDA_16_16_SPLIT_OFFSET: | |
555 | /* end-sanitize-v850e */ | |
556 | case R_V850_SDA_16_16_OFFSET: | |
557 | case R_V850_SDA_15_16_OFFSET: | |
de224d6a MM |
558 | other = V850_OTHER_SDA; |
559 | common = ".scommon"; | |
560 | goto small_data_common; | |
def31039 NC |
561 | |
562 | /* start-sanitize-v850e */ | |
563 | case R_V850_ZDA_16_16_SPLIT_OFFSET: | |
564 | /* end-sanitize-v850e */ | |
565 | case R_V850_ZDA_16_16_OFFSET: | |
566 | case R_V850_ZDA_15_16_OFFSET: | |
de224d6a MM |
567 | other = V850_OTHER_ZDA; |
568 | common = ".zcommon"; | |
569 | goto small_data_common; | |
def31039 NC |
570 | |
571 | /* start-sanitize-v850e */ | |
572 | case R_V850_TDA_4_5_OFFSET: | |
573 | case R_V850_TDA_4_4_OFFSET: | |
2cf9a0d0 | 574 | /* end-sanitize-v850e */ |
def31039 NC |
575 | case R_V850_TDA_6_8_OFFSET: |
576 | case R_V850_TDA_7_8_OFFSET: | |
577 | case R_V850_TDA_7_7_OFFSET: | |
5bb28764 | 578 | case R_V850_TDA_16_16_OFFSET: |
de224d6a MM |
579 | other = V850_OTHER_TDA; |
580 | common = ".tcommon"; | |
581 | /* fall through */ | |
582 | ||
583 | #define V850_OTHER_MASK (V850_OTHER_TDA | V850_OTHER_SDA | V850_OTHER_ZDA) | |
584 | ||
585 | small_data_common: | |
586 | if (h) | |
587 | { | |
588 | h->other |= other; /* flag which type of relocation was used */ | |
589 | if ((h->other & V850_OTHER_MASK) != (other & V850_OTHER_MASK) | |
590 | && (h->other & V850_OTHER_ERROR) == 0) | |
591 | { | |
55e6f0bf NC |
592 | const char * msg; |
593 | static char buff[100]; /* XXX */ | |
594 | ||
de224d6a MM |
595 | switch (h->other & V850_OTHER_MASK) |
596 | { | |
597 | default: | |
55e6f0bf | 598 | msg = "cannot occupy in multiple small data regions"; |
de224d6a MM |
599 | break; |
600 | case V850_OTHER_SDA | V850_OTHER_ZDA | V850_OTHER_TDA: | |
55e6f0bf | 601 | msg = "can only be in one of the small, zero, and tiny data regions"; |
de224d6a MM |
602 | break; |
603 | case V850_OTHER_SDA | V850_OTHER_ZDA: | |
55e6f0bf | 604 | msg = "cannot be in both small and zero data regions simultaneously"; |
de224d6a MM |
605 | break; |
606 | case V850_OTHER_SDA | V850_OTHER_TDA: | |
55e6f0bf | 607 | msg = "cannot be in both small and tiny data regions simultaneously"; |
de224d6a MM |
608 | break; |
609 | case V850_OTHER_ZDA | V850_OTHER_TDA: | |
55e6f0bf | 610 | msg = "cannot be in both zero and tiny data regions simultaneously"; |
de224d6a MM |
611 | break; |
612 | } | |
613 | ||
55e6f0bf NC |
614 | sprintf (buff, "Variable '%s' %s", h->root.root.string, msg ); |
615 | info->callbacks->warning (info, buff, h->root.root.string, | |
616 | abfd, h->root.u.def.section, 0); | |
de224d6a MM |
617 | |
618 | bfd_set_error (bfd_error_bad_value); | |
619 | h->other |= V850_OTHER_ERROR; | |
620 | ret = false; | |
621 | } | |
622 | } | |
623 | ||
8988d935 | 624 | if (h && h->root.type == bfd_link_hash_common |
de224d6a MM |
625 | && h->root.u.c.p |
626 | && !strcmp (bfd_get_section_name (abfd, h->root.u.c.p->section), "COMMON")) | |
627 | { | |
628 | asection *section = h->root.u.c.p->section = bfd_make_section_old_way (abfd, common); | |
629 | section->flags |= SEC_IS_COMMON; | |
630 | } | |
631 | ||
632 | #ifdef DEBUG | |
633 | fprintf (stderr, "v850_elf_check_relocs, found %s relocation for %s%s\n", | |
634 | v850_elf_howto_table[ (int)r_type ].name, | |
635 | (h && h->root.root.string) ? h->root.root.string : "<unknown>", | |
636 | (h->root.type == bfd_link_hash_common) ? ", symbol is common" : ""); | |
637 | #endif | |
638 | break; | |
639 | } | |
640 | } | |
641 | ||
642 | return ret; | |
01b49cb3 C |
643 | } |
644 | ||
e73b6ae6 | 645 | static bfd_reloc_status_type |
22a9f052 NC |
646 | v850_elf_store_addend_in_insn (abfd, r_type, addend, address, replace) |
647 | bfd * abfd; | |
648 | int r_type; | |
649 | long addend; | |
650 | bfd_byte * address; | |
651 | boolean replace; | |
e73b6ae6 | 652 | { |
22a9f052 | 653 | unsigned long insn; |
5ddf2a9e | 654 | |
22a9f052 | 655 | switch (r_type) |
5ddf2a9e NC |
656 | { |
657 | default: | |
22a9f052 | 658 | /* fprintf (stderr, "reloc type %d not SUPPORTED\n", r_type ); */ |
5ddf2a9e NC |
659 | return bfd_reloc_notsupported; |
660 | ||
22a9f052 NC |
661 | case R_V850_32: |
662 | if (! replace) | |
663 | addend += bfd_get_32 (abfd, address); | |
664 | ||
665 | bfd_put_32 (abfd, addend, address); | |
666 | return bfd_reloc_ok; | |
667 | ||
5ddf2a9e | 668 | case R_V850_22_PCREL: |
22a9f052 | 669 | if (addend > 0x1fffff || addend < -0x200000) |
5ddf2a9e NC |
670 | return bfd_reloc_overflow; |
671 | ||
22a9f052 | 672 | if ((addend % 2) != 0) |
5ddf2a9e NC |
673 | return bfd_reloc_dangerous; |
674 | ||
22a9f052 | 675 | insn = bfd_get_32 (abfd, address); |
5ddf2a9e | 676 | insn &= ~0xfffe003f; |
22a9f052 NC |
677 | insn |= (((addend & 0xfffe) << 16) | ((addend & 0x3f0000) >> 16)); |
678 | bfd_put_32 (abfd, insn, address); | |
5ddf2a9e NC |
679 | return bfd_reloc_ok; |
680 | ||
681 | case R_V850_9_PCREL: | |
22a9f052 | 682 | if (addend > 0xff || addend < -0x100) |
5ddf2a9e NC |
683 | return bfd_reloc_overflow; |
684 | ||
22a9f052 | 685 | if ((addend % 2) != 0) |
5ddf2a9e NC |
686 | return bfd_reloc_dangerous; |
687 | ||
22a9f052 | 688 | insn = bfd_get_16 (abfd, address); |
5ddf2a9e | 689 | insn &= ~ 0xf870; |
22a9f052 NC |
690 | insn |= ((addend & 0x1f0) << 7) | ((addend & 0x0e) << 3); |
691 | break; | |
5ddf2a9e NC |
692 | |
693 | case R_V850_HI16_S: | |
22a9f052 NC |
694 | addend += bfd_get_16 (abfd, address); |
695 | addend = (addend >> 16) + ((addend & 0x8000) != 0); | |
696 | insn = addend; | |
697 | break; | |
5ddf2a9e NC |
698 | |
699 | case R_V850_HI16: | |
22a9f052 NC |
700 | addend += bfd_get_16 (abfd, address); |
701 | addend = (addend >> 16); | |
702 | insn = addend; | |
703 | break; | |
5ddf2a9e NC |
704 | |
705 | case R_V850_LO16: | |
22a9f052 | 706 | addend += (short) bfd_get_16 (abfd, address); |
5ddf2a9e | 707 | /* Do not complain if value has top bit set, as this has been anticipated. */ |
22a9f052 NC |
708 | insn = addend; |
709 | break; | |
def31039 | 710 | |
5ddf2a9e | 711 | case R_V850_16: |
22a9f052 | 712 | replace = false; |
5ddf2a9e | 713 | /* drop through */ |
22a9f052 NC |
714 | |
715 | /* start-sanitize-v850e */ | |
716 | case R_V850_CALLT_16_16_OFFSET: | |
717 | /* end-sanitize-v850e */ | |
5ddf2a9e NC |
718 | case R_V850_SDA_16_16_OFFSET: |
719 | case R_V850_ZDA_16_16_OFFSET: | |
5bb28764 | 720 | case R_V850_TDA_16_16_OFFSET: |
22a9f052 NC |
721 | if (! replace) |
722 | addend += bfd_get_16 (abfd, address); | |
723 | ||
724 | if (addend > 0x7fff || addend < -0x8000) | |
5ddf2a9e | 725 | return bfd_reloc_overflow; |
22a9f052 NC |
726 | |
727 | insn = addend; | |
728 | break; | |
5ddf2a9e NC |
729 | |
730 | case R_V850_SDA_15_16_OFFSET: | |
731 | case R_V850_ZDA_15_16_OFFSET: | |
22a9f052 NC |
732 | insn = bfd_get_16 (abfd, address); |
733 | ||
734 | if (! replace) | |
735 | addend += ((insn & 0xfffe) << 1); | |
736 | ||
737 | if (addend > 0x7ffe || addend < -0x8000) | |
5ddf2a9e NC |
738 | return bfd_reloc_overflow; |
739 | ||
22a9f052 | 740 | if (addend & 1) |
5ddf2a9e NC |
741 | return bfd_reloc_dangerous; |
742 | ||
5ddf2a9e | 743 | insn &= 1; |
22a9f052 NC |
744 | insn |= (addend >> 1) & ~1; |
745 | break; | |
5ddf2a9e NC |
746 | |
747 | case R_V850_TDA_6_8_OFFSET: | |
22a9f052 NC |
748 | insn = bfd_get_16 (abfd, address); |
749 | ||
750 | if (! replace) | |
751 | addend += ((insn & 0x7e) << 1); | |
752 | ||
753 | if (addend > 0xfc || addend < 0) | |
5ddf2a9e NC |
754 | return bfd_reloc_overflow; |
755 | ||
22a9f052 | 756 | if (addend & 3) |
5ddf2a9e NC |
757 | return bfd_reloc_dangerous; |
758 | ||
5ddf2a9e | 759 | insn &= 0xff81; |
22a9f052 NC |
760 | insn |= (addend >> 1); |
761 | break; | |
5ddf2a9e NC |
762 | |
763 | case R_V850_TDA_7_8_OFFSET: | |
22a9f052 NC |
764 | insn = bfd_get_16 (abfd, address); |
765 | ||
766 | if (! replace) | |
767 | addend += ((insn & 0x7f) << 1); | |
768 | ||
769 | if (addend > 0xfe || addend < 0) | |
5ddf2a9e NC |
770 | return bfd_reloc_overflow; |
771 | ||
22a9f052 | 772 | if (addend & 1) |
5ddf2a9e NC |
773 | return bfd_reloc_dangerous; |
774 | ||
5ddf2a9e | 775 | insn &= 0xff80; |
22a9f052 NC |
776 | insn |= (addend >> 1); |
777 | break; | |
5ddf2a9e NC |
778 | |
779 | case R_V850_TDA_7_7_OFFSET: | |
22a9f052 NC |
780 | insn = bfd_get_16 (abfd, address); |
781 | ||
782 | if (! replace) | |
783 | addend += insn & 0x7f; | |
784 | ||
785 | if (addend > 0x7f || addend < 0) | |
5ddf2a9e NC |
786 | return bfd_reloc_overflow; |
787 | ||
5ddf2a9e | 788 | insn &= 0xff80; |
22a9f052 NC |
789 | insn |= addend; |
790 | break; | |
5ddf2a9e | 791 | |
def31039 | 792 | /* start-sanitize-v850e */ |
5ddf2a9e | 793 | case R_V850_TDA_4_5_OFFSET: |
22a9f052 NC |
794 | insn = bfd_get_16 (abfd, address); |
795 | ||
796 | if (! replace) | |
797 | addend += ((insn & 0xf) << 1); | |
798 | ||
799 | if (addend > 0x1e || addend < 0) | |
5ddf2a9e NC |
800 | return bfd_reloc_overflow; |
801 | ||
22a9f052 | 802 | if (addend & 1) |
5ddf2a9e NC |
803 | return bfd_reloc_dangerous; |
804 | ||
5ddf2a9e | 805 | insn &= 0xfff0; |
22a9f052 NC |
806 | insn |= (addend >> 1); |
807 | break; | |
5ddf2a9e NC |
808 | |
809 | case R_V850_TDA_4_4_OFFSET: | |
22a9f052 NC |
810 | insn = bfd_get_16 (abfd, address); |
811 | ||
812 | if (! replace) | |
813 | addend += insn & 0xf; | |
814 | ||
815 | if (addend > 0xf || addend < 0) | |
5ddf2a9e NC |
816 | return bfd_reloc_overflow; |
817 | ||
5ddf2a9e | 818 | insn &= 0xfff0; |
22a9f052 NC |
819 | insn |= addend; |
820 | break; | |
5ddf2a9e NC |
821 | |
822 | case R_V850_ZDA_16_16_SPLIT_OFFSET: | |
823 | case R_V850_SDA_16_16_SPLIT_OFFSET: | |
22a9f052 NC |
824 | insn = bfd_get_32 (abfd, address); |
825 | ||
826 | if (! replace) | |
827 | addend += ((insn & 0xfffe0000) >> 16) + ((insn & 0x20) >> 5); | |
5ddf2a9e | 828 | |
22a9f052 NC |
829 | if (addend > 0xffff || addend < 0) |
830 | return bfd_reloc_overflow; | |
5ddf2a9e NC |
831 | |
832 | insn &= 0x0001ffdf; | |
22a9f052 NC |
833 | insn |= (addend & 1) << 5; |
834 | insn |= (addend & ~1) << 16; | |
5ddf2a9e | 835 | |
22a9f052 | 836 | bfd_put_32 (abfd, insn, address); |
5ddf2a9e | 837 | return bfd_reloc_ok; |
9420c20a NC |
838 | |
839 | case R_V850_CALLT_6_7_OFFSET: | |
22a9f052 NC |
840 | insn = bfd_get_16 (abfd, address); |
841 | ||
842 | if (! replace) | |
843 | addend += ((insn & 0x3f) << 1); | |
844 | ||
845 | if (addend > 0x7e || addend < 0) | |
9420c20a NC |
846 | return bfd_reloc_overflow; |
847 | ||
22a9f052 | 848 | if (addend & 1) |
9420c20a NC |
849 | return bfd_reloc_dangerous; |
850 | ||
9420c20a | 851 | insn &= 0xff80; |
22a9f052 NC |
852 | insn |= (addend >> 1); |
853 | break; | |
854 | /* end-sanitize-v850e */ | |
855 | } | |
856 | ||
857 | bfd_put_16 (abfd, insn, address); | |
858 | return bfd_reloc_ok; | |
859 | } | |
860 | ||
861 | \f | |
862 | /* Insert the addend into the instruction. */ | |
863 | static bfd_reloc_status_type | |
864 | v850_elf_reloc (abfd, reloc, symbol, data, isection, obfd, err) | |
865 | bfd * abfd; | |
866 | arelent * reloc; | |
867 | asymbol * symbol; | |
868 | PTR data; | |
869 | asection * isection; | |
870 | bfd * obfd; | |
871 | char ** err; | |
872 | { | |
873 | long relocation; | |
874 | long insn; | |
875 | ||
876 | ||
877 | /* If there is an output BFD, | |
878 | and the symbol is not a section name (which is only defined at final link time), | |
879 | and either we are not putting the addend into the instruction | |
880 | or the addend is zero, so there is nothing to add into the instruction | |
881 | then just fixup the address and return. */ | |
882 | if (obfd != (bfd *) NULL | |
883 | && (symbol->flags & BSF_SECTION_SYM) == 0 | |
884 | && (! reloc->howto->partial_inplace | |
885 | || reloc->addend == 0)) | |
886 | { | |
887 | reloc->address += isection->output_offset; | |
9420c20a | 888 | return bfd_reloc_ok; |
22a9f052 NC |
889 | } |
890 | #if 0 | |
891 | else if (obfd != NULL) | |
892 | { | |
893 | return bfd_reloc_continue; | |
894 | } | |
895 | #endif | |
896 | ||
897 | /* Catch relocs involving undefined symbols. */ | |
898 | if (bfd_is_und_section (symbol->section) | |
899 | && (symbol->flags & BSF_WEAK) == 0 | |
900 | && obfd == NULL) | |
901 | return bfd_reloc_undefined; | |
902 | ||
903 | /* We handle final linking of some relocs ourselves. */ | |
904 | ||
905 | /* Is the address of the relocation really within the section? */ | |
906 | if (reloc->address > isection->_cooked_size) | |
907 | return bfd_reloc_outofrange; | |
908 | ||
909 | /* Work out which section the relocation is targetted at and the | |
910 | initial relocation command value. */ | |
911 | ||
912 | /* Get symbol value. (Common symbols are special.) */ | |
913 | if (bfd_is_com_section (symbol->section)) | |
914 | relocation = 0; | |
915 | else | |
916 | relocation = symbol->value; | |
917 | ||
918 | /* Convert input-section-relative symbol value to absolute + addend. */ | |
919 | relocation += symbol->section->output_section->vma; | |
920 | relocation += symbol->section->output_offset; | |
921 | relocation += reloc->addend; | |
922 | ||
923 | if (reloc->howto->pc_relative == true) | |
924 | { | |
925 | /* Here the variable relocation holds the final address of the | |
926 | symbol we are relocating against, plus any addend. */ | |
927 | relocation -= isection->output_section->vma + isection->output_offset; | |
9420c20a | 928 | |
22a9f052 NC |
929 | /* Deal with pcrel_offset */ |
930 | relocation -= reloc->address; | |
e73b6ae6 JL |
931 | } |
932 | ||
22a9f052 NC |
933 | /* I've got no clue... */ |
934 | reloc->addend = 0; | |
935 | ||
936 | return v850_elf_store_addend_in_insn (abfd, reloc->howto->type, relocation, | |
937 | (bfd_byte *) data + reloc->address, true); | |
e73b6ae6 JL |
938 | } |
939 | ||
de224d6a | 940 | \f |
1336da39 SG |
941 | /*ARGSUSED*/ |
942 | static boolean | |
8988d935 | 943 | v850_elf_is_local_label_name (abfd, name) |
9420c20a NC |
944 | bfd * abfd; |
945 | const char * name; | |
1336da39 | 946 | { |
22a9f052 NC |
947 | return ( (name[0] == '.' && (name[1] == 'L' || name[1] == '.')) |
948 | || (name[0] == '_' && name[1] == '.' && name[2] == 'L' && name[3] == '_')); | |
1336da39 SG |
949 | } |
950 | ||
de224d6a | 951 | \f |
725b96f5 JL |
952 | /* Perform a relocation as part of a final link. */ |
953 | static bfd_reloc_status_type | |
de224d6a | 954 | v850_elf_final_link_relocate (howto, input_bfd, output_bfd, |
725b96f5 JL |
955 | input_section, contents, offset, value, |
956 | addend, info, sym_sec, is_local) | |
def31039 NC |
957 | reloc_howto_type * howto; |
958 | bfd * input_bfd; | |
959 | bfd * output_bfd; | |
960 | asection * input_section; | |
961 | bfd_byte * contents; | |
962 | bfd_vma offset; | |
963 | bfd_vma value; | |
964 | bfd_vma addend; | |
965 | struct bfd_link_info * info; | |
966 | asection * sym_sec; | |
967 | int is_local; | |
725b96f5 | 968 | { |
def31039 NC |
969 | unsigned long insn; |
970 | unsigned long r_type = howto->type; | |
971 | bfd_byte * hit_data = contents + offset; | |
725b96f5 JL |
972 | |
973 | switch (r_type) | |
974 | { | |
975 | case R_V850_9_PCREL: | |
976 | value -= (input_section->output_section->vma | |
977 | + input_section->output_offset); | |
978 | value -= offset; | |
979 | ||
980 | if ((long)value > 0xff || (long)value < -0x100) | |
981 | return bfd_reloc_overflow; | |
982 | ||
983 | if ((value % 2) != 0) | |
984 | return bfd_reloc_dangerous; | |
985 | ||
986 | insn = bfd_get_16 (input_bfd, hit_data); | |
c322f1b5 | 987 | insn &= 0x078f; |
725b96f5 JL |
988 | insn |= ((value & 0x1f0) << 7) | ((value & 0x0e) << 3); |
989 | bfd_put_16 (input_bfd, insn, hit_data); | |
990 | return bfd_reloc_ok; | |
991 | ||
992 | case R_V850_22_PCREL: | |
993 | value -= (input_section->output_section->vma | |
22a9f052 NC |
994 | + input_section->output_offset |
995 | + offset); | |
996 | ||
997 | value = SEXT24 (value); /* Only the bottom 24 bits of the PC are valid */ | |
998 | ||
676d3f02 | 999 | if ((long)value > 0x1fffff || (long)value < -0x200000) |
725b96f5 JL |
1000 | return bfd_reloc_overflow; |
1001 | ||
1002 | if ((value % 2) != 0) | |
1003 | return bfd_reloc_dangerous; | |
1004 | ||
1005 | insn = bfd_get_32 (input_bfd, hit_data); | |
c322f1b5 | 1006 | insn &= 0x1ffc0; |
725b96f5 JL |
1007 | insn |= (((value & 0xfffe) << 16) | ((value & 0x3f0000) >> 16)); |
1008 | bfd_put_32 (input_bfd, insn, hit_data); | |
1009 | return bfd_reloc_ok; | |
1010 | ||
1011 | case R_V850_HI16_S: | |
90ffe48b | 1012 | value += (short)bfd_get_16 (input_bfd, hit_data); |
725b96f5 JL |
1013 | value = (value >> 16) + ((value & 0x8000) != 0); |
1014 | ||
1015 | if ((long)value > 0x7fff || (long)value < -0x8000) | |
676d3f02 NC |
1016 | { |
1017 | /* This relocation cannot overflow. */ | |
1018 | ||
1019 | value = 0; | |
1020 | } | |
725b96f5 JL |
1021 | |
1022 | bfd_put_16 (input_bfd, value, hit_data); | |
1023 | return bfd_reloc_ok; | |
1024 | ||
1025 | case R_V850_HI16: | |
90ffe48b | 1026 | value += (short)bfd_get_16 (input_bfd, hit_data); |
725b96f5 JL |
1027 | value >>= 16; |
1028 | ||
725b96f5 JL |
1029 | bfd_put_16 (input_bfd, value, hit_data); |
1030 | return bfd_reloc_ok; | |
1031 | ||
1032 | case R_V850_LO16: | |
90ffe48b | 1033 | value += (short)bfd_get_16 (input_bfd, hit_data); |
725b96f5 JL |
1034 | value &= 0xffff; |
1035 | ||
1036 | bfd_put_16 (input_bfd, value, hit_data); | |
1037 | return bfd_reloc_ok; | |
1038 | ||
1039 | case R_V850_16: | |
def31039 | 1040 | value += (short) bfd_get_16 (input_bfd, hit_data); |
725b96f5 | 1041 | |
def31039 NC |
1042 | if ((long) value > 0x7fff || (long) value < -0x8000) |
1043 | return bfd_reloc_overflow; | |
1044 | ||
1045 | bfd_put_16 (input_bfd, value, hit_data); | |
1046 | return bfd_reloc_ok; | |
1047 | ||
1048 | case R_V850_ZDA_16_16_OFFSET: | |
db1fa6ab NC |
1049 | if (sym_sec == NULL) |
1050 | return bfd_reloc_undefined; | |
22a9f052 | 1051 | |
def31039 NC |
1052 | value -= sym_sec->output_section->vma; |
1053 | value += (short) bfd_get_16 (input_bfd, hit_data); | |
1054 | ||
1055 | if ((long) value > 0x7fff || (long) value < -0x8000) | |
725b96f5 JL |
1056 | return bfd_reloc_overflow; |
1057 | ||
1058 | bfd_put_16 (input_bfd, value, hit_data); | |
1059 | return bfd_reloc_ok; | |
1060 | ||
def31039 | 1061 | case R_V850_ZDA_15_16_OFFSET: |
db1fa6ab NC |
1062 | if (sym_sec == NULL) |
1063 | return bfd_reloc_undefined; | |
1064 | ||
def31039 NC |
1065 | insn = bfd_get_16 (input_bfd, hit_data); |
1066 | ||
1067 | value -= sym_sec->output_section->vma; | |
1068 | value += ((insn & 0xfffe) << 1); | |
1069 | ||
1070 | if ((long) value > 0x7ffe || (long) value < -0x8000) | |
1071 | return bfd_reloc_overflow; | |
1072 | ||
1073 | value &= ~1; | |
1074 | value |= (insn & 1); | |
1075 | ||
1076 | bfd_put_16 (input_bfd, value, hit_data); | |
1077 | return bfd_reloc_ok; | |
1078 | ||
725b96f5 JL |
1079 | case R_V850_32: |
1080 | value += bfd_get_32 (input_bfd, hit_data); | |
1081 | bfd_put_32 (input_bfd, value, hit_data); | |
1082 | return bfd_reloc_ok; | |
1083 | ||
1084 | case R_V850_8: | |
90ffe48b | 1085 | value += (char)bfd_get_8 (input_bfd, hit_data); |
725b96f5 JL |
1086 | |
1087 | if ((long)value > 0x7f || (long)value < -0x80) | |
1088 | return bfd_reloc_overflow; | |
1089 | ||
1090 | bfd_put_8 (input_bfd, value, hit_data); | |
1091 | return bfd_reloc_ok; | |
1092 | ||
def31039 | 1093 | case R_V850_SDA_16_16_OFFSET: |
db1fa6ab NC |
1094 | if (sym_sec == NULL) |
1095 | return bfd_reloc_undefined; | |
1096 | ||
725b96f5 | 1097 | { |
def31039 NC |
1098 | unsigned long gp; |
1099 | struct bfd_link_hash_entry * h; | |
725b96f5 JL |
1100 | |
1101 | /* Get the value of __gp. */ | |
def31039 | 1102 | h = bfd_link_hash_lookup (info->hash, "__gp", false, false, true); |
725b96f5 JL |
1103 | if (h == (struct bfd_link_hash_entry *) NULL |
1104 | || h->type != bfd_link_hash_defined) | |
def31039 | 1105 | return bfd_reloc_other; |
725b96f5 JL |
1106 | |
1107 | gp = (h->u.def.value | |
1108 | + h->u.def.section->output_section->vma | |
1109 | + h->u.def.section->output_offset); | |
def31039 NC |
1110 | |
1111 | value -= sym_sec->output_section->vma; | |
1112 | value -= (gp - sym_sec->output_section->vma); | |
1113 | value += (short) bfd_get_16 (input_bfd, hit_data); | |
725b96f5 JL |
1114 | |
1115 | if ((long)value > 0x7fff || (long)value < -0x8000) | |
1116 | return bfd_reloc_overflow; | |
1117 | ||
1118 | bfd_put_16 (input_bfd, value, hit_data); | |
1119 | return bfd_reloc_ok; | |
1120 | } | |
1121 | ||
def31039 | 1122 | case R_V850_SDA_15_16_OFFSET: |
db1fa6ab NC |
1123 | if (sym_sec == NULL) |
1124 | return bfd_reloc_undefined; | |
1125 | ||
725b96f5 | 1126 | { |
def31039 NC |
1127 | unsigned long gp; |
1128 | struct bfd_link_hash_entry * h; | |
1129 | ||
1130 | /* Get the value of __gp. */ | |
1131 | h = bfd_link_hash_lookup (info->hash, "__gp", false, false, true); | |
1132 | if (h == (struct bfd_link_hash_entry *) NULL | |
1133 | || h->type != bfd_link_hash_defined) | |
1134 | return bfd_reloc_other; | |
1135 | ||
1136 | gp = (h->u.def.value | |
1137 | + h->u.def.section->output_section->vma | |
1138 | + h->u.def.section->output_offset); | |
1139 | ||
1140 | value -= sym_sec->output_section->vma; | |
1141 | value -= (gp - sym_sec->output_section->vma); | |
725b96f5 | 1142 | |
def31039 NC |
1143 | insn = bfd_get_16 (input_bfd, hit_data); |
1144 | ||
1145 | value += ((insn & 0xfffe) << 1); | |
1146 | ||
1147 | if ((long)value > 0x7ffe || (long)value < -0x8000) | |
1148 | return bfd_reloc_overflow; | |
1149 | ||
1150 | value &= ~1; | |
1151 | value |= (insn & 1); | |
1152 | ||
1153 | bfd_put_16 (input_bfd, value, hit_data); | |
1154 | return bfd_reloc_ok; | |
1155 | } | |
1156 | ||
1157 | case R_V850_TDA_6_8_OFFSET: | |
1158 | { | |
1159 | unsigned long ep; | |
1160 | struct bfd_link_hash_entry * h; | |
1161 | ||
c322f1b5 | 1162 | insn = bfd_get_16 (input_bfd, hit_data); |
725b96f5 JL |
1163 | |
1164 | /* Get the value of __ep. */ | |
def31039 | 1165 | h = bfd_link_hash_lookup (info->hash, "__ep", false, false, true); |
725b96f5 JL |
1166 | if (h == (struct bfd_link_hash_entry *) NULL |
1167 | || h->type != bfd_link_hash_defined) | |
def31039 | 1168 | return bfd_reloc_continue; /* Actually this indicates that __ep could not be found. */ |
725b96f5 JL |
1169 | |
1170 | ep = (h->u.def.value | |
1171 | + h->u.def.section->output_section->vma | |
1172 | + h->u.def.section->output_offset); | |
def31039 | 1173 | |
725b96f5 | 1174 | value -= ep; |
676d3f02 | 1175 | value += ((insn & 0x7e) << 1); |
def31039 NC |
1176 | |
1177 | if ((long) value > 0xfc || (long) value < 0) | |
1178 | return bfd_reloc_overflow; | |
1179 | ||
1180 | if ((value % 2) != 0) | |
1181 | return bfd_reloc_dangerous; | |
1182 | ||
1183 | insn &= 0xff81; | |
1184 | insn |= (value >> 1); | |
725b96f5 | 1185 | |
def31039 NC |
1186 | bfd_put_16 (input_bfd, insn, hit_data); |
1187 | return bfd_reloc_ok; | |
1188 | } | |
1189 | ||
1190 | case R_V850_TDA_7_8_OFFSET: | |
1191 | { | |
1192 | unsigned long ep; | |
1193 | struct bfd_link_hash_entry * h; | |
1194 | ||
1195 | insn = bfd_get_16 (input_bfd, hit_data); | |
725b96f5 | 1196 | |
def31039 NC |
1197 | /* Get the value of __ep. */ |
1198 | h = bfd_link_hash_lookup (info->hash, "__ep", false, false, true); | |
1199 | if (h == (struct bfd_link_hash_entry *) NULL | |
1200 | || h->type != bfd_link_hash_defined) | |
1201 | return bfd_reloc_continue; /* Actually this indicates that __ep could not be found. */ | |
c322f1b5 | 1202 | |
def31039 NC |
1203 | ep = (h->u.def.value |
1204 | + h->u.def.section->output_section->vma | |
1205 | + h->u.def.section->output_offset); | |
1206 | ||
1207 | value -= ep; | |
1208 | value += ((insn & 0x7f) << 1); | |
1209 | ||
1210 | if ((long) value > 0xfe || (long) value < 0) | |
1211 | return bfd_reloc_overflow; | |
1212 | ||
1213 | insn &= 0xff80; | |
1214 | insn |= (value >> 1); | |
1215 | ||
1216 | bfd_put_16 (input_bfd, insn, hit_data); | |
1217 | return bfd_reloc_ok; | |
1218 | } | |
1219 | ||
1220 | case R_V850_TDA_7_7_OFFSET: | |
1221 | { | |
1222 | unsigned long ep; | |
1223 | struct bfd_link_hash_entry * h; | |
1224 | ||
1225 | insn = bfd_get_16 (input_bfd, hit_data); | |
c322f1b5 | 1226 | |
def31039 NC |
1227 | /* Get the value of __ep. */ |
1228 | h = bfd_link_hash_lookup (info->hash, "__ep", false, false, true); | |
1229 | if (h == (struct bfd_link_hash_entry *) NULL | |
1230 | || h->type != bfd_link_hash_defined) | |
1231 | return bfd_reloc_continue; /* Actually this indicates that __ep could not be found. */ | |
c322f1b5 | 1232 | |
def31039 NC |
1233 | ep = (h->u.def.value |
1234 | + h->u.def.section->output_section->vma | |
1235 | + h->u.def.section->output_offset); | |
1236 | value -= ep; | |
1237 | ||
1238 | value += insn & 0x7f; | |
1239 | ||
1240 | if ((long) value > 0x7f || (long) value < 0) | |
1241 | return bfd_reloc_overflow; | |
1242 | ||
1243 | insn &= 0xff80; | |
1244 | insn |= value; | |
1245 | bfd_put_16 (input_bfd, insn, hit_data); | |
1246 | return bfd_reloc_ok; | |
1247 | } | |
1248 | ||
5bb28764 NC |
1249 | case R_V850_TDA_16_16_OFFSET: |
1250 | { | |
1251 | unsigned long ep; | |
1252 | struct bfd_link_hash_entry * h; | |
1253 | ||
1254 | /* Get the value of __ep. */ | |
1255 | h = bfd_link_hash_lookup (info->hash, "__ep", false, false, true); | |
1256 | if (h == (struct bfd_link_hash_entry *) NULL | |
1257 | || h->type != bfd_link_hash_defined) | |
1258 | return bfd_reloc_other; | |
1259 | ||
1260 | ep = (h->u.def.value | |
1261 | + h->u.def.section->output_section->vma | |
1262 | + h->u.def.section->output_offset); | |
1263 | value -= ep; | |
1264 | ||
1265 | value += (short) bfd_get_16 (input_bfd, hit_data); | |
1266 | ||
1267 | if ((long)value > 0x7fff || (long)value < -0x8000) | |
1268 | return bfd_reloc_overflow; | |
1269 | ||
1270 | bfd_put_16 (input_bfd, value, hit_data); | |
1271 | return bfd_reloc_ok; | |
1272 | } | |
1273 | ||
def31039 NC |
1274 | /* start-sanitize-v850e */ |
1275 | case R_V850_TDA_4_5_OFFSET: | |
1276 | { | |
1277 | unsigned long ep; | |
1278 | struct bfd_link_hash_entry * h; | |
1279 | ||
1280 | /* Get the value of __ep. */ | |
1281 | h = bfd_link_hash_lookup (info->hash, "__ep", false, false, true); | |
1282 | if (h == (struct bfd_link_hash_entry *) NULL | |
1283 | || h->type != bfd_link_hash_defined) | |
1284 | return bfd_reloc_continue; /* Actually this indicates that __ep could not be found. */ | |
c322f1b5 | 1285 | |
def31039 NC |
1286 | ep = (h->u.def.value |
1287 | + h->u.def.section->output_section->vma | |
1288 | + h->u.def.section->output_offset); | |
1289 | value -= ep; | |
1290 | ||
1291 | insn = bfd_get_16 (input_bfd, hit_data); | |
c322f1b5 | 1292 | |
def31039 NC |
1293 | value += ((insn & 0xf) << 1); |
1294 | ||
1295 | if ((long) value > 0x1e || (long) value < 0) | |
1296 | return bfd_reloc_overflow; | |
1297 | ||
1298 | insn &= 0xfff0; | |
1299 | insn |= (value >> 1); | |
1300 | bfd_put_16 (input_bfd, insn, hit_data); | |
1301 | return bfd_reloc_ok; | |
1302 | } | |
1303 | ||
1304 | case R_V850_TDA_4_4_OFFSET: | |
1305 | { | |
1306 | unsigned long ep; | |
1307 | struct bfd_link_hash_entry * h; | |
1308 | ||
1309 | /* Get the value of __ep. */ | |
1310 | h = bfd_link_hash_lookup (info->hash, "__ep", false, false, true); | |
1311 | if (h == (struct bfd_link_hash_entry *) NULL | |
1312 | || h->type != bfd_link_hash_defined) | |
1313 | return bfd_reloc_continue; /* Actually this indicates that __ep could not be found. */ | |
c322f1b5 | 1314 | |
def31039 NC |
1315 | ep = (h->u.def.value |
1316 | + h->u.def.section->output_section->vma | |
1317 | + h->u.def.section->output_offset); | |
1318 | value -= ep; | |
1319 | ||
1320 | insn = bfd_get_16 (input_bfd, hit_data); | |
c322f1b5 | 1321 | |
def31039 NC |
1322 | value += insn & 0xf; |
1323 | ||
1324 | if ((long) value > 0xf || (long) value < 0) | |
1325 | return bfd_reloc_overflow; | |
1326 | ||
1327 | insn &= 0xfff0; | |
1328 | insn |= value; | |
1329 | bfd_put_16 (input_bfd, insn, hit_data); | |
1330 | return bfd_reloc_ok; | |
1331 | } | |
1332 | ||
1333 | case R_V850_SDA_16_16_SPLIT_OFFSET: | |
db1fa6ab NC |
1334 | if (sym_sec == NULL) |
1335 | return bfd_reloc_undefined; | |
1336 | ||
def31039 NC |
1337 | { |
1338 | unsigned long gp; | |
1339 | struct bfd_link_hash_entry * h; | |
c322f1b5 | 1340 | |
def31039 NC |
1341 | /* Get the value of __gp. */ |
1342 | h = bfd_link_hash_lookup (info->hash, "__gp", false, false, true); | |
1343 | if (h == (struct bfd_link_hash_entry *) NULL | |
1344 | || h->type != bfd_link_hash_defined) | |
1345 | return bfd_reloc_other; | |
c322f1b5 | 1346 | |
def31039 NC |
1347 | gp = (h->u.def.value |
1348 | + h->u.def.section->output_section->vma | |
1349 | + h->u.def.section->output_offset); | |
1350 | ||
1351 | value -= sym_sec->output_section->vma; | |
1352 | value -= (gp - sym_sec->output_section->vma); | |
c322f1b5 | 1353 | |
def31039 NC |
1354 | insn = bfd_get_32 (input_bfd, hit_data); |
1355 | ||
1356 | value += ((insn & 0xfffe0000) >> 16); | |
1357 | value += ((insn & 0x20) >> 5); | |
1358 | ||
1359 | if ((long)value > 0x7fff || (long)value < -0x8000) | |
1360 | return bfd_reloc_overflow; | |
1361 | ||
1362 | insn &= 0x0001ffdf; | |
1363 | insn |= (value & 1) << 5; | |
1364 | insn |= (value & ~1) << 16; | |
1365 | ||
1366 | bfd_put_32 (input_bfd, insn, hit_data); | |
1367 | return bfd_reloc_ok; | |
725b96f5 | 1368 | } |
def31039 NC |
1369 | |
1370 | case R_V850_ZDA_16_16_SPLIT_OFFSET: | |
db1fa6ab NC |
1371 | if (sym_sec == NULL) |
1372 | return bfd_reloc_undefined; | |
1373 | ||
def31039 NC |
1374 | insn = bfd_get_32 (input_bfd, hit_data); |
1375 | ||
1376 | value -= sym_sec->output_section->vma; | |
1377 | value += ((insn & 0xfffe0000) >> 16); | |
1378 | value += ((insn & 0x20) >> 5); | |
1379 | ||
1380 | if ((long)value > 0x7fff || (long)value < -0x8000) | |
1381 | return bfd_reloc_overflow; | |
1382 | ||
1383 | insn &= 0x0001ffdf; | |
1384 | insn |= (value & 1) << 5; | |
1385 | insn |= (value & ~1) << 16; | |
1386 | ||
1387 | bfd_put_32 (input_bfd, insn, hit_data); | |
1388 | return bfd_reloc_ok; | |
1389 | ||
9420c20a NC |
1390 | case R_V850_CALLT_6_7_OFFSET: |
1391 | { | |
1392 | unsigned long ctbp; | |
1393 | struct bfd_link_hash_entry * h; | |
1394 | ||
1395 | /* Get the value of __ctbp. */ | |
1396 | h = bfd_link_hash_lookup (info->hash, "__ctbp", false, false, true); | |
1397 | if (h == (struct bfd_link_hash_entry *) NULL | |
1398 | || h->type != bfd_link_hash_defined) | |
676d3f02 | 1399 | return (bfd_reloc_dangerous + 1); /* Actually this indicates that __ctbp could not be found. */ |
9420c20a NC |
1400 | |
1401 | ctbp = (h->u.def.value | |
1402 | + h->u.def.section->output_section->vma | |
1403 | + h->u.def.section->output_offset); | |
1404 | value -= ctbp; | |
1405 | ||
1406 | insn = bfd_get_16 (input_bfd, hit_data); | |
1407 | ||
1408 | value += ((insn & 0x3f) << 1); | |
1409 | ||
1410 | if ((long) value > 0x7e || (long) value < 0) | |
1411 | return bfd_reloc_overflow; | |
1412 | ||
1413 | insn &= 0xff80; | |
1414 | insn |= (value >> 1); | |
1415 | bfd_put_16 (input_bfd, insn, hit_data); | |
1416 | return bfd_reloc_ok; | |
1417 | } | |
def31039 | 1418 | |
9420c20a NC |
1419 | case R_V850_CALLT_16_16_OFFSET: |
1420 | if (sym_sec == NULL) | |
1421 | return bfd_reloc_undefined; | |
1422 | ||
1423 | { | |
1424 | unsigned long ctbp; | |
1425 | struct bfd_link_hash_entry * h; | |
1426 | ||
1427 | /* Get the value of __ctbp. */ | |
1428 | h = bfd_link_hash_lookup (info->hash, "__ctbp", false, false, true); | |
1429 | if (h == (struct bfd_link_hash_entry *) NULL | |
1430 | || h->type != bfd_link_hash_defined) | |
676d3f02 | 1431 | return (bfd_reloc_dangerous + 1); |
9420c20a NC |
1432 | |
1433 | ctbp = (h->u.def.value | |
1434 | + h->u.def.section->output_section->vma | |
1435 | + h->u.def.section->output_offset); | |
1436 | ||
1437 | value -= sym_sec->output_section->vma; | |
1438 | value -= (ctbp - sym_sec->output_section->vma); | |
1439 | value += (short) bfd_get_16 (input_bfd, hit_data); | |
1440 | ||
1441 | if ((long) value > 0xffff || (long) value < 0) | |
1442 | return bfd_reloc_overflow; | |
1443 | ||
1444 | bfd_put_16 (input_bfd, value, hit_data); | |
1445 | return bfd_reloc_ok; | |
1446 | } | |
1447 | ||
1448 | /* end-sanitize-v850e */ | |
725b96f5 JL |
1449 | |
1450 | case R_V850_NONE: | |
8988d935 NC |
1451 | return bfd_reloc_ok; |
1452 | ||
725b96f5 | 1453 | default: |
8988d935 | 1454 | return bfd_reloc_notsupported; |
725b96f5 | 1455 | } |
725b96f5 JL |
1456 | } |
1457 | ||
de224d6a | 1458 | \f |
725b96f5 | 1459 | /* Relocate an V850 ELF section. */ |
725b96f5 JL |
1460 | static boolean |
1461 | v850_elf_relocate_section (output_bfd, info, input_bfd, input_section, | |
de224d6a | 1462 | contents, relocs, local_syms, local_sections) |
def31039 NC |
1463 | bfd * output_bfd; |
1464 | struct bfd_link_info * info; | |
1465 | bfd * input_bfd; | |
1466 | asection * input_section; | |
1467 | bfd_byte * contents; | |
1468 | Elf_Internal_Rela * relocs; | |
1469 | Elf_Internal_Sym * local_syms; | |
1470 | asection ** local_sections; | |
725b96f5 | 1471 | { |
def31039 NC |
1472 | Elf_Internal_Shdr * symtab_hdr; |
1473 | struct elf_link_hash_entry ** sym_hashes; | |
1474 | Elf_Internal_Rela * rel; | |
1475 | Elf_Internal_Rela * relend; | |
725b96f5 | 1476 | |
def31039 | 1477 | symtab_hdr = & elf_tdata (input_bfd)->symtab_hdr; |
725b96f5 JL |
1478 | sym_hashes = elf_sym_hashes (input_bfd); |
1479 | ||
def31039 | 1480 | rel = relocs; |
725b96f5 JL |
1481 | relend = relocs + input_section->reloc_count; |
1482 | for (; rel < relend; rel++) | |
1483 | { | |
def31039 NC |
1484 | int r_type; |
1485 | reloc_howto_type * howto; | |
1486 | unsigned long r_symndx; | |
1487 | Elf_Internal_Sym * sym; | |
1488 | asection * sec; | |
1489 | struct elf_link_hash_entry * h; | |
1490 | bfd_vma relocation; | |
1491 | bfd_reloc_status_type r; | |
725b96f5 | 1492 | |
8988d935 | 1493 | r_symndx = ELF32_R_SYM (rel->r_info); |
def31039 NC |
1494 | r_type = ELF32_R_TYPE (rel->r_info); |
1495 | howto = v850_elf_howto_table + r_type; | |
8988d935 | 1496 | |
725b96f5 JL |
1497 | if (info->relocateable) |
1498 | { | |
1499 | /* This is a relocateable link. We don't have to change | |
1500 | anything, unless the reloc is against a section symbol, | |
1501 | in which case we have to adjust according to where the | |
1502 | section symbol winds up in the output section. */ | |
1503 | if (r_symndx < symtab_hdr->sh_info) | |
1504 | { | |
1505 | sym = local_syms + r_symndx; | |
1506 | if (ELF_ST_TYPE (sym->st_info) == STT_SECTION) | |
1507 | { | |
1508 | sec = local_sections[r_symndx]; | |
22a9f052 NC |
1509 | #ifdef USE_REL |
1510 | /* The Elf_Internal_Rel structure does not have space for the | |
1511 | modified addend value, so we store it in the instruction | |
1512 | instead. */ | |
1513 | ||
1514 | if (sec->output_offset + sym->st_value != 0) | |
1515 | { | |
1516 | if (v850_elf_store_addend_in_insn (input_bfd, r_type, | |
1517 | sec->output_offset + | |
1518 | sym->st_value, | |
1519 | contents + rel->r_offset, | |
1520 | false) | |
1521 | != bfd_reloc_ok) | |
1522 | { | |
1523 | info->callbacks->warning | |
1524 | (info, | |
1525 | "Unable to handle relocation during incremental link", | |
1526 | NULL, input_bfd, input_section, rel->r_offset); | |
1527 | } | |
1528 | } | |
1529 | #else | |
725b96f5 | 1530 | rel->r_addend += sec->output_offset + sym->st_value; |
22a9f052 | 1531 | #endif |
725b96f5 JL |
1532 | } |
1533 | } | |
1534 | ||
1535 | continue; | |
1536 | } | |
1537 | ||
725b96f5 JL |
1538 | /* This is a final link. */ |
1539 | h = NULL; | |
1540 | sym = NULL; | |
1541 | sec = NULL; | |
1542 | if (r_symndx < symtab_hdr->sh_info) | |
1543 | { | |
1544 | sym = local_syms + r_symndx; | |
1545 | sec = local_sections[r_symndx]; | |
1546 | relocation = (sec->output_section->vma | |
1547 | + sec->output_offset | |
1548 | + sym->st_value); | |
def31039 NC |
1549 | #if 0 |
1550 | { | |
1551 | char * name; | |
1552 | name = bfd_elf_string_from_elf_section (input_bfd, symtab_hdr->sh_link, sym->st_name); | |
1553 | name = (name == NULL) ? "<none>" : name; | |
1554 | fprintf (stderr, "local: sec: %s, sym: %s (%d), value: %x + %x + %x addend %x rel %x\n", sec->name, name, sym->st_name, | |
1555 | sec->output_section->vma, sec->output_offset, sym->st_value, rel->r_addend, rel); | |
1556 | } | |
1557 | #endif | |
725b96f5 JL |
1558 | } |
1559 | else | |
1560 | { | |
1561 | h = sym_hashes[r_symndx - symtab_hdr->sh_info]; | |
def31039 | 1562 | |
725b96f5 JL |
1563 | while (h->root.type == bfd_link_hash_indirect |
1564 | || h->root.type == bfd_link_hash_warning) | |
1565 | h = (struct elf_link_hash_entry *) h->root.u.i.link; | |
def31039 | 1566 | |
725b96f5 JL |
1567 | if (h->root.type == bfd_link_hash_defined |
1568 | || h->root.type == bfd_link_hash_defweak) | |
1569 | { | |
1570 | sec = h->root.u.def.section; | |
1571 | relocation = (h->root.u.def.value | |
1572 | + sec->output_section->vma | |
1573 | + sec->output_offset); | |
676d3f02 NC |
1574 | #if 0 |
1575 | fprintf (stderr, "defined: sec: %s, name: %s, value: %x + %x + %x gives: %x\n", | |
1576 | sec->name, h->root.root.string, h->root.u.def.value, sec->output_section->vma, sec->output_offset, relocation); | |
1577 | #endif | |
725b96f5 JL |
1578 | } |
1579 | else if (h->root.type == bfd_link_hash_undefweak) | |
676d3f02 NC |
1580 | { |
1581 | #if 0 | |
1582 | fprintf (stderr, "undefined: sec: %s, name: %s\n", | |
1583 | sec->name, h->root.root.string); | |
1584 | #endif | |
1585 | relocation = 0; | |
1586 | } | |
725b96f5 JL |
1587 | else |
1588 | { | |
1589 | if (! ((*info->callbacks->undefined_symbol) | |
1590 | (info, h->root.root.string, input_bfd, | |
1591 | input_section, rel->r_offset))) | |
1592 | return false; | |
676d3f02 NC |
1593 | #if 0 |
1594 | fprintf (stderr, "unknown: name: %s\n", h->root.root.string); | |
1595 | #endif | |
725b96f5 JL |
1596 | relocation = 0; |
1597 | } | |
1598 | } | |
1599 | ||
1600 | /* FIXME: We should use the addend, but the COFF relocations | |
1601 | don't. */ | |
de224d6a MM |
1602 | r = v850_elf_final_link_relocate (howto, input_bfd, output_bfd, |
1603 | input_section, | |
1604 | contents, rel->r_offset, | |
1605 | relocation, rel->r_addend, | |
1606 | info, sec, h == NULL); | |
725b96f5 JL |
1607 | |
1608 | if (r != bfd_reloc_ok) | |
1609 | { | |
def31039 NC |
1610 | const char * name; |
1611 | const char * msg = (const char *)0; | |
8988d935 NC |
1612 | |
1613 | if (h != NULL) | |
1614 | name = h->root.root.string; | |
1615 | else | |
1616 | { | |
1617 | name = (bfd_elf_string_from_elf_section | |
1618 | (input_bfd, symtab_hdr->sh_link, sym->st_name)); | |
1619 | if (name == NULL || *name == '\0') | |
1620 | name = bfd_section_name (input_bfd, sec); | |
1621 | } | |
1622 | ||
725b96f5 JL |
1623 | switch (r) |
1624 | { | |
725b96f5 | 1625 | case bfd_reloc_overflow: |
8988d935 NC |
1626 | if (! ((*info->callbacks->reloc_overflow) |
1627 | (info, name, howto->name, (bfd_vma) 0, | |
1628 | input_bfd, input_section, rel->r_offset))) | |
1629 | return false; | |
1630 | break; | |
1631 | ||
1632 | case bfd_reloc_undefined: | |
1633 | if (! ((*info->callbacks->undefined_symbol) | |
1634 | (info, name, input_bfd, input_section, | |
1635 | rel->r_offset))) | |
1636 | return false; | |
1637 | break; | |
1638 | ||
1639 | case bfd_reloc_outofrange: | |
1640 | msg = "internal error: out of range error"; | |
1641 | goto common_error; | |
1642 | ||
1643 | case bfd_reloc_notsupported: | |
1644 | msg = "internal error: unsupported relocation error"; | |
1645 | goto common_error; | |
1646 | ||
1647 | case bfd_reloc_dangerous: | |
def31039 NC |
1648 | msg = "internal error: dangerous relocation"; |
1649 | goto common_error; | |
1650 | ||
1651 | case bfd_reloc_other: | |
1652 | msg = "could not locate special linker symbol __gp"; | |
1653 | goto common_error; | |
1654 | ||
1655 | case bfd_reloc_continue: | |
1656 | msg = "could not locate special linker symbol __ep"; | |
8988d935 NC |
1657 | goto common_error; |
1658 | ||
676d3f02 NC |
1659 | case (bfd_reloc_dangerous + 1): |
1660 | msg = "could not locate special linker symbol __ctbp"; | |
1661 | goto common_error; | |
1662 | ||
8988d935 NC |
1663 | default: |
1664 | msg = "internal error: unknown error"; | |
1665 | /* fall through */ | |
1666 | ||
1667 | common_error: | |
1668 | if (!((*info->callbacks->warning) | |
1669 | (info, msg, name, input_bfd, input_section, | |
1670 | rel->r_offset))) | |
1671 | return false; | |
725b96f5 JL |
1672 | break; |
1673 | } | |
1674 | } | |
1675 | } | |
1676 | ||
1677 | return true; | |
1678 | } | |
01b49cb3 | 1679 | |
8988d935 | 1680 | /* Set the right machine number. */ |
8988d935 NC |
1681 | static boolean |
1682 | v850_elf_object_p (abfd) | |
1683 | bfd *abfd; | |
1684 | { | |
8bef8c30 | 1685 | switch (elf_elfheader (abfd)->e_flags & EF_V850_ARCH) |
8988d935 NC |
1686 | { |
1687 | default: | |
8bef8c30 | 1688 | case E_V850_ARCH: (void) bfd_default_set_arch_mach (abfd, bfd_arch_v850, 0); break; |
8988d935 | 1689 | /* start-sanitize-v850e */ |
8bef8c30 | 1690 | case E_V850E_ARCH: (void) bfd_default_set_arch_mach (abfd, bfd_arch_v850, bfd_mach_v850e); break; |
8bef8c30 | 1691 | case E_V850EQ_ARCH: (void) bfd_default_set_arch_mach (abfd, bfd_arch_v850, bfd_mach_v850eq); break; |
15d82b26 | 1692 | /* end-sanitize-v850e */ |
8988d935 NC |
1693 | } |
1694 | } | |
1695 | ||
8bef8c30 NC |
1696 | /* Store the machine number in the flags field. */ |
1697 | void | |
1698 | v850_elf_final_write_processing (abfd, linker) | |
1699 | bfd * abfd; | |
1700 | boolean linker; | |
1701 | { | |
1702 | unsigned long val; | |
1703 | ||
1704 | switch (bfd_get_mach (abfd)) | |
1705 | { | |
1706 | default: | |
1707 | case 0: val = E_V850_ARCH; break; | |
8988d935 | 1708 | /* start-sanitize-v850e */ |
15d82b26 | 1709 | case bfd_mach_v850e: val = E_V850E_ARCH; break; |
8bef8c30 | 1710 | case bfd_mach_v850eq: val = E_V850EQ_ARCH; break; |
15d82b26 | 1711 | /* end-sanitize-v850e */ |
8bef8c30 NC |
1712 | } |
1713 | ||
1714 | elf_elfheader (abfd)->e_flags &=~ EF_V850_ARCH; | |
1715 | elf_elfheader (abfd)->e_flags |= val; | |
1716 | } | |
1717 | ||
1718 | /* Function to keep V850 specific file flags. */ | |
1719 | boolean | |
1720 | v850_elf_set_private_flags (abfd, flags) | |
1721 | bfd * abfd; | |
1722 | flagword flags; | |
1723 | { | |
1724 | BFD_ASSERT (!elf_flags_init (abfd) | |
1725 | || elf_elfheader (abfd)->e_flags == flags); | |
1726 | ||
1727 | elf_elfheader (abfd)->e_flags = flags; | |
1728 | elf_flags_init (abfd) = true; | |
1729 | return true; | |
1730 | } | |
1731 | ||
1732 | /* Copy backend specific data from one object module to another */ | |
1733 | boolean | |
1734 | v850_elf_copy_private_bfd_data (ibfd, obfd) | |
1735 | bfd * ibfd; | |
1736 | bfd * obfd; | |
1737 | { | |
1738 | if ( bfd_get_flavour (ibfd) != bfd_target_elf_flavour | |
1739 | || bfd_get_flavour (obfd) != bfd_target_elf_flavour) | |
1740 | return true; | |
1741 | ||
1742 | BFD_ASSERT (!elf_flags_init (obfd) | |
1743 | || (elf_elfheader (obfd)->e_flags | |
1744 | == elf_elfheader (ibfd)->e_flags)); | |
1745 | ||
1746 | elf_gp (obfd) = elf_gp (ibfd); | |
1747 | elf_elfheader (obfd)->e_flags = elf_elfheader (ibfd)->e_flags; | |
1748 | elf_flags_init (obfd) = true; | |
1749 | return true; | |
1750 | } | |
1751 | ||
1752 | /* Merge backend specific data from an object file to the output | |
1753 | object file when linking. */ | |
1754 | boolean | |
1755 | v850_elf_merge_private_bfd_data (ibfd, obfd) | |
1756 | bfd * ibfd; | |
1757 | bfd * obfd; | |
1758 | { | |
1759 | flagword old_flags; | |
1760 | flagword new_flags; | |
1761 | ||
1762 | if ( bfd_get_flavour (ibfd) != bfd_target_elf_flavour | |
1763 | || bfd_get_flavour (obfd) != bfd_target_elf_flavour) | |
1764 | return true; | |
1765 | ||
1766 | new_flags = elf_elfheader (ibfd)->e_flags; | |
1767 | old_flags = elf_elfheader (obfd)->e_flags; | |
1768 | ||
1769 | if (! elf_flags_init (obfd)) | |
1770 | { | |
1771 | elf_flags_init (obfd) = true; | |
1772 | elf_elfheader (obfd)->e_flags = new_flags; | |
1773 | ||
1774 | if (bfd_get_arch (obfd) == bfd_get_arch (ibfd) | |
1775 | && bfd_get_arch_info (obfd)->the_default) | |
1776 | { | |
1777 | return bfd_set_arch_mach (obfd, bfd_get_arch (ibfd), bfd_get_mach (ibfd)); | |
1778 | } | |
1779 | ||
1780 | return true; | |
1781 | } | |
1782 | ||
1783 | /* Check flag compatibility. */ | |
8988d935 | 1784 | |
8bef8c30 NC |
1785 | if (new_flags == old_flags) |
1786 | return true; | |
1787 | ||
1788 | if ((new_flags & EF_V850_ARCH) != (old_flags & EF_V850_ARCH)) | |
1789 | { | |
1790 | _bfd_error_handler ("%s: Architecture mismatch with previous modules", | |
1791 | bfd_get_filename (ibfd)); | |
15d82b26 | 1792 | #if 0 |
8bef8c30 NC |
1793 | bfd_set_error (bfd_error_bad_value); |
1794 | return false; | |
15d82b26 NC |
1795 | #else |
1796 | return true; | |
1797 | #endif | |
8bef8c30 NC |
1798 | } |
1799 | ||
1800 | return true; | |
1801 | } | |
1802 | /* Display the flags field */ | |
1803 | ||
1804 | static boolean | |
1805 | v850_elf_print_private_bfd_data (abfd, ptr) | |
1806 | bfd * abfd; | |
1807 | PTR ptr; | |
1808 | { | |
1809 | FILE * file = (FILE *) ptr; | |
1810 | ||
1811 | BFD_ASSERT (abfd != NULL && ptr != NULL) | |
1812 | ||
1813 | fprintf (file, "private flags = %x", elf_elfheader (abfd)->e_flags); | |
1814 | ||
1815 | switch (elf_elfheader (abfd)->e_flags & EF_V850_ARCH) | |
1816 | { | |
1817 | default: | |
98ab32a5 | 1818 | case E_V850_ARCH: fprintf (file, ": v850 architecture"); break; |
8bef8c30 | 1819 | /* start-sanitize-v850e */ |
15d82b26 | 1820 | case E_V850E_ARCH: fprintf (file, ": v850e architecture"); break; |
98ab32a5 | 1821 | case E_V850EQ_ARCH: fprintf (file, ": v850eq architecture"); break; |
15d82b26 | 1822 | /* end-sanitize-v850e */ |
8bef8c30 NC |
1823 | } |
1824 | ||
1825 | fputc ('\n', file); | |
1826 | ||
1827 | return true; | |
1828 | } | |
22a9f052 NC |
1829 | |
1830 | /* V850 ELF uses four common sections. One is the usual one, and the | |
1831 | others are for (small) objects in one of the special data areas: | |
1832 | small, tiny and zero. All the objects are kept together, and then | |
1833 | referenced via the gp register, the ep register or the r0 register | |
1834 | respectively, which yields smaller, faster assembler code. This | |
1835 | approach is copied from elf32-mips.c. */ | |
1836 | ||
1837 | static asection v850_elf_scom_section; | |
1838 | static asymbol v850_elf_scom_symbol; | |
1839 | static asymbol * v850_elf_scom_symbol_ptr; | |
1840 | static asection v850_elf_tcom_section; | |
1841 | static asymbol v850_elf_tcom_symbol; | |
1842 | static asymbol * v850_elf_tcom_symbol_ptr; | |
1843 | static asection v850_elf_zcom_section; | |
1844 | static asymbol v850_elf_zcom_symbol; | |
1845 | static asymbol * v850_elf_zcom_symbol_ptr; | |
1846 | ||
1847 | ||
1848 | /* Given a BFD section, try to locate the corresponding ELF section | |
1849 | index. */ | |
1850 | ||
1851 | static boolean | |
1852 | v850_elf_section_from_bfd_section (abfd, hdr, sec, retval) | |
1853 | bfd * abfd; | |
1854 | Elf32_Internal_Shdr * hdr; | |
1855 | asection * sec; | |
1856 | int * retval; | |
1857 | { | |
1858 | if (strcmp (bfd_get_section_name (abfd, sec), ".scommon") == 0) | |
1859 | { | |
1860 | *retval = SHN_V850_SCOMMON; | |
1861 | return true; | |
1862 | } | |
1863 | if (strcmp (bfd_get_section_name (abfd, sec), ".tcommon") == 0) | |
1864 | { | |
1865 | *retval = SHN_V850_TCOMMON; | |
1866 | return true; | |
1867 | } | |
1868 | if (strcmp (bfd_get_section_name (abfd, sec), ".zcommon") == 0) | |
1869 | { | |
1870 | *retval = SHN_V850_ZCOMMON; | |
1871 | return true; | |
1872 | } | |
1873 | return false; | |
1874 | } | |
1875 | ||
1876 | /* Handle the special V850 section numbers that a symbol may use. */ | |
1877 | ||
1878 | static void | |
1879 | v850_elf_symbol_processing (abfd, asym) | |
1880 | bfd * abfd; | |
1881 | asymbol * asym; | |
1882 | { | |
1883 | elf_symbol_type * elfsym = (elf_symbol_type *) asym; | |
1884 | ||
1885 | switch (elfsym->internal_elf_sym.st_shndx) | |
1886 | { | |
1887 | case SHN_V850_SCOMMON: | |
1888 | if (v850_elf_scom_section.name == NULL) | |
1889 | { | |
1890 | /* Initialize the small common section. */ | |
1891 | v850_elf_scom_section.name = ".scommon"; | |
1892 | v850_elf_scom_section.flags = SEC_IS_COMMON | SEC_ALLOC | SEC_DATA; | |
1893 | v850_elf_scom_section.output_section = & v850_elf_scom_section; | |
1894 | v850_elf_scom_section.symbol = & v850_elf_scom_symbol; | |
1895 | v850_elf_scom_section.symbol_ptr_ptr = & v850_elf_scom_symbol_ptr; | |
1896 | v850_elf_scom_symbol.name = ".scommon"; | |
1897 | v850_elf_scom_symbol.flags = BSF_SECTION_SYM; | |
1898 | v850_elf_scom_symbol.section = & v850_elf_scom_section; | |
1899 | v850_elf_scom_symbol_ptr = & v850_elf_scom_symbol; | |
1900 | } | |
1901 | asym->section = & v850_elf_scom_section; | |
1902 | asym->value = elfsym->internal_elf_sym.st_size; | |
1903 | break; | |
1904 | ||
1905 | case SHN_V850_TCOMMON: | |
1906 | if (v850_elf_tcom_section.name == NULL) | |
1907 | { | |
1908 | /* Initialize the tcommon section. */ | |
1909 | v850_elf_tcom_section.name = ".tcommon"; | |
1910 | v850_elf_tcom_section.flags = SEC_IS_COMMON; | |
1911 | v850_elf_tcom_section.output_section = & v850_elf_tcom_section; | |
1912 | v850_elf_tcom_section.symbol = & v850_elf_tcom_symbol; | |
1913 | v850_elf_tcom_section.symbol_ptr_ptr = & v850_elf_tcom_symbol_ptr; | |
1914 | v850_elf_tcom_symbol.name = ".tcommon"; | |
1915 | v850_elf_tcom_symbol.flags = BSF_SECTION_SYM; | |
1916 | v850_elf_tcom_symbol.section = & v850_elf_tcom_section; | |
1917 | v850_elf_tcom_symbol_ptr = & v850_elf_tcom_symbol; | |
1918 | } | |
1919 | asym->section = & v850_elf_tcom_section; | |
1920 | asym->value = elfsym->internal_elf_sym.st_size; | |
1921 | break; | |
1922 | ||
1923 | case SHN_V850_ZCOMMON: | |
1924 | if (v850_elf_zcom_section.name == NULL) | |
1925 | { | |
1926 | /* Initialize the zcommon section. */ | |
1927 | v850_elf_zcom_section.name = ".zcommon"; | |
1928 | v850_elf_zcom_section.flags = SEC_IS_COMMON; | |
1929 | v850_elf_zcom_section.output_section = & v850_elf_zcom_section; | |
1930 | v850_elf_zcom_section.symbol = & v850_elf_zcom_symbol; | |
1931 | v850_elf_zcom_section.symbol_ptr_ptr = & v850_elf_zcom_symbol_ptr; | |
1932 | v850_elf_zcom_symbol.name = ".zcommon"; | |
1933 | v850_elf_zcom_symbol.flags = BSF_SECTION_SYM; | |
1934 | v850_elf_zcom_symbol.section = & v850_elf_zcom_section; | |
1935 | v850_elf_zcom_symbol_ptr = & v850_elf_zcom_symbol; | |
1936 | } | |
1937 | asym->section = & v850_elf_zcom_section; | |
1938 | asym->value = elfsym->internal_elf_sym.st_size; | |
1939 | break; | |
1940 | } | |
1941 | } | |
1942 | ||
1943 | /* Hook called by the linker routine which adds symbols from an object | |
1944 | file. We must handle the special MIPS section numbers here. */ | |
1945 | ||
1946 | /*ARGSUSED*/ | |
1947 | static boolean | |
1948 | v850_elf_add_symbol_hook (abfd, info, sym, namep, flagsp, secp, valp) | |
1949 | bfd * abfd; | |
1950 | struct bfd_link_info * info; | |
1951 | const Elf_Internal_Sym * sym; | |
1952 | const char ** namep; | |
1953 | flagword * flagsp; | |
1954 | asection ** secp; | |
1955 | bfd_vma * valp; | |
1956 | { | |
1957 | switch (sym->st_shndx) | |
1958 | { | |
1959 | case SHN_V850_SCOMMON: | |
1960 | *secp = bfd_make_section_old_way (abfd, ".scommon"); | |
1961 | (*secp)->flags |= SEC_IS_COMMON; | |
1962 | *valp = sym->st_size; | |
1963 | break; | |
1964 | ||
1965 | case SHN_V850_TCOMMON: | |
1966 | *secp = bfd_make_section_old_way (abfd, ".tcommon"); | |
1967 | (*secp)->flags |= SEC_IS_COMMON; | |
1968 | *valp = sym->st_size; | |
1969 | break; | |
1970 | ||
1971 | case SHN_V850_ZCOMMON: | |
1972 | *secp = bfd_make_section_old_way (abfd, ".zcommon"); | |
1973 | (*secp)->flags |= SEC_IS_COMMON; | |
1974 | *valp = sym->st_size; | |
1975 | break; | |
1976 | } | |
1977 | ||
1978 | return true; | |
1979 | } | |
1980 | ||
1981 | /*ARGSIGNORED*/ | |
1982 | static boolean | |
1983 | v850_elf_link_output_symbol_hook (abfd, info, name, sym, input_sec) | |
1984 | bfd * abfd; | |
1985 | struct bfd_link_info * info; | |
1986 | const char * name; | |
1987 | Elf_Internal_Sym * sym; | |
1988 | asection * input_sec; | |
1989 | { | |
1990 | /* If we see a common symbol, which implies a relocatable link, then | |
1991 | if a symbol was in a special common section in an input file, mark | |
1992 | it as a special common in the output file. */ | |
1993 | ||
1994 | if (sym->st_shndx == SHN_COMMON) | |
1995 | { | |
1996 | if (strcmp (input_sec->name, ".scommon") == 0) | |
1997 | sym->st_shndx = SHN_V850_SCOMMON; | |
1998 | else if (strcmp (input_sec->name, ".tcommon") == 0) | |
1999 | sym->st_shndx = SHN_V850_TCOMMON; | |
2000 | else if (strcmp (input_sec->name, ".zcommon") == 0) | |
2001 | sym->st_shndx = SHN_V850_ZCOMMON; | |
2002 | } | |
2003 | ||
2004 | return true; | |
2005 | } | |
2006 | ||
2007 | static boolean | |
2008 | v850_elf_section_from_shdr (abfd, hdr, name) | |
2009 | bfd * abfd; | |
2010 | Elf_Internal_Shdr * hdr; | |
2011 | char * name; | |
2012 | { | |
2013 | /* There ought to be a place to keep ELF backend specific flags, but | |
2014 | at the moment there isn't one. We just keep track of the | |
2015 | sections by their name, instead. */ | |
2016 | ||
2017 | if (! _bfd_elf_make_section_from_shdr (abfd, hdr, name)) | |
2018 | return false; | |
2019 | ||
2020 | switch (hdr->sh_type) | |
2021 | { | |
2022 | case SHT_V850_SCOMMON: | |
2023 | case SHT_V850_TCOMMON: | |
2024 | case SHT_V850_ZCOMMON: | |
2025 | if (! bfd_set_section_flags (abfd, hdr->bfd_section, | |
2026 | (bfd_get_section_flags (abfd, | |
2027 | hdr->bfd_section) | |
2028 | | SEC_IS_COMMON))) | |
2029 | return false; | |
2030 | } | |
2031 | ||
2032 | return true; | |
2033 | } | |
2034 | ||
2035 | /* Set the correct type for a V850 ELF section. We do this by the | |
2036 | section name, which is a hack, but ought to work. */ | |
2037 | static boolean | |
2038 | v850_elf_fake_sections (abfd, hdr, sec) | |
2039 | bfd * abfd; | |
2040 | Elf32_Internal_Shdr * hdr; | |
2041 | asection * sec; | |
2042 | { | |
2043 | register const char * name; | |
2044 | ||
2045 | name = bfd_get_section_name (abfd, sec); | |
2046 | ||
2047 | if (strcmp (name, ".scommon") == 0) | |
2048 | { | |
2049 | hdr->sh_type = SHT_V850_SCOMMON; | |
2050 | } | |
2051 | else if (strcmp (name, ".tcommon") == 0) | |
2052 | { | |
2053 | hdr->sh_type = SHT_V850_TCOMMON; | |
2054 | } | |
2055 | else if (strcmp (name, ".zcommon") == 0) | |
2056 | hdr->sh_type = SHT_V850_ZCOMMON; | |
2057 | ||
2058 | return true; | |
2059 | } | |
2060 | ||
2061 | ||
8bef8c30 NC |
2062 | \f |
2063 | #define TARGET_LITTLE_SYM bfd_elf32_v850_vec | |
2064 | #define TARGET_LITTLE_NAME "elf32-v850" | |
2065 | #define ELF_ARCH bfd_arch_v850 | |
2066 | #define ELF_MACHINE_CODE EM_CYGNUS_V850 | |
de224d6a MM |
2067 | #define ELF_MAXPAGESIZE 0x1000 |
2068 | ||
2069 | #define elf_info_to_howto 0 | |
2070 | #define elf_info_to_howto_rel v850_elf_info_to_howto_rel | |
22a9f052 | 2071 | |
de224d6a MM |
2072 | #define elf_backend_check_relocs v850_elf_check_relocs |
2073 | #define elf_backend_relocate_section v850_elf_relocate_section | |
8988d935 | 2074 | #define elf_backend_object_p v850_elf_object_p |
8bef8c30 | 2075 | #define elf_backend_final_write_processing v850_elf_final_write_processing |
22a9f052 NC |
2076 | #define elf_backend_section_from_bfd_section v850_elf_section_from_bfd_section |
2077 | #define elf_backend_symbol_processing v850_elf_symbol_processing | |
2078 | #define elf_backend_add_symbol_hook v850_elf_add_symbol_hook | |
2079 | #define elf_backend_link_output_symbol_hook v850_elf_link_output_symbol_hook | |
2080 | #define elf_backend_section_from_shdr v850_elf_section_from_shdr | |
2081 | #define elf_backend_fake_sections v850_elf_fake_sections | |
2082 | ||
8988d935 | 2083 | #define bfd_elf32_bfd_is_local_label_name v850_elf_is_local_label_name |
de224d6a | 2084 | #define bfd_elf32_bfd_reloc_type_lookup v850_elf_reloc_type_lookup |
8bef8c30 NC |
2085 | #define bfd_elf32_bfd_copy_private_bfd_data v850_elf_copy_private_bfd_data |
2086 | #define bfd_elf32_bfd_merge_private_bfd_data v850_elf_merge_private_bfd_data | |
2087 | #define bfd_elf32_bfd_set_private_flags v850_elf_set_private_flags | |
2088 | #define bfd_elf32_bfd_print_private_bfd_data v850_elf_print_private_bfd_data | |
de224d6a MM |
2089 | |
2090 | #define elf_symbol_leading_char '_' | |
1336da39 | 2091 | |
01b49cb3 | 2092 | #include "elf32-target.h" |