Commit | Line | Data |
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252b5132 | 1 | /* M32R-specific support for 32-bit ELF. |
b3adc24a | 2 | Copyright (C) 1996-2020 Free Software Foundation, Inc. |
252b5132 | 3 | |
88845958 | 4 | This file is part of BFD, the Binary File Descriptor library. |
252b5132 | 5 | |
88845958 NC |
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 | |
cd123cb7 | 8 | the Free Software Foundation; either version 3 of the License, or |
88845958 | 9 | (at your option) any later version. |
252b5132 | 10 | |
88845958 NC |
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. | |
252b5132 | 15 | |
88845958 NC |
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 | |
cd123cb7 NC |
18 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
19 | MA 02110-1301, USA. */ | |
252b5132 | 20 | |
252b5132 | 21 | #include "sysdep.h" |
3db64b00 | 22 | #include "bfd.h" |
252b5132 RH |
23 | #include "libbfd.h" |
24 | #include "elf-bfd.h" | |
25 | #include "elf/m32r.h" | |
26 | ||
252b5132 RH |
27 | #define NOP_INSN 0x7000 |
28 | #define MAKE_PARALLEL(insn) ((insn) | 0x8000) | |
29 | ||
30 | /* Use REL instead of RELA to save space. | |
31 | This only saves space in libraries and object files, but perhaps | |
32 | relocs will be put in ROM? All in all though, REL relocs are a pain | |
33 | to work with. */ | |
6edf0760 | 34 | /* #define USE_REL 1 |
acf8aed4 AM |
35 | |
36 | #ifndef USE_REL | |
37 | #define USE_REL 0 | |
6edf0760 | 38 | #endif */ |
47b0e7ad | 39 | /* Use RELA. But use REL to link old objects for backwords compatibility. */ |
6edf0760 NC |
40 | |
41 | /* Functions for the M32R ELF linker. */ | |
41978308 | 42 | |
6edf0760 NC |
43 | /* The name of the dynamic interpreter. This is put in the .interp |
44 | section. */ | |
41978308 | 45 | |
6edf0760 | 46 | #define ELF_DYNAMIC_INTERPRETER "/usr/lib/libc.so.1" |
41978308 | 47 | |
6edf0760 | 48 | /* The nop opcode we use. */ |
41978308 | 49 | |
6edf0760 | 50 | #define M32R_NOP 0x7000f000 |
41978308 | 51 | |
6edf0760 | 52 | #define PLT_EMPTY 0x10101010 /* RIE -> RIE */ |
41978308 | 53 | |
6edf0760 NC |
54 | /* The size in bytes of an entry in the procedure linkage table. */ |
55 | ||
56 | #define PLT_ENTRY_SIZE 20 | |
57 | #define PLT_HEADER_SIZE 20 | |
41978308 | 58 | |
6edf0760 NC |
59 | /* The first one entries in a procedure linkage table are reserved, |
60 | and the initial contents are unimportant (we zero them out). | |
61 | Subsequent entries look like this. */ | |
41978308 | 62 | |
07d6d2b8 AM |
63 | #define PLT0_ENTRY_WORD0 0xd6c00000 /* seth r6, #high(.got+4) */ |
64 | #define PLT0_ENTRY_WORD1 0x86e60000 /* or3 r6, r6, #low(.got)+4) */ | |
65 | #define PLT0_ENTRY_WORD2 0x24e626c6 /* ld r4, @r6+ -> ld r6, @r6 */ | |
66 | #define PLT0_ENTRY_WORD3 0x1fc6f000 /* jmp r6 || pnop */ | |
67 | #define PLT0_ENTRY_WORD4 PLT_EMPTY /* RIE -> RIE */ | |
68 | ||
69 | #define PLT0_PIC_ENTRY_WORD0 0xa4cc0004 /* ld r4, @(4,r12) */ | |
70 | #define PLT0_PIC_ENTRY_WORD1 0xa6cc0008 /* ld r6, @(8,r12) */ | |
71 | #define PLT0_PIC_ENTRY_WORD2 0x1fc6f000 /* jmp r6 || nop */ | |
72 | #define PLT0_PIC_ENTRY_WORD3 PLT_EMPTY /* RIE -> RIE */ | |
73 | #define PLT0_PIC_ENTRY_WORD4 PLT_EMPTY /* RIE -> RIE */ | |
74 | ||
75 | #define PLT_ENTRY_WORD0 0xe6000000 /* ld24 r6, .name_in_GOT */ | |
76 | #define PLT_ENTRY_WORD1 0x06acf000 /* add r6, r12 || nop */ | |
77 | #define PLT_ENTRY_WORD0b 0xd6c00000 /* seth r6, #high(.name_in_GOT) */ | |
78 | #define PLT_ENTRY_WORD1b 0x86e60000 /* or3 r6, r6, #low(.name_in_GOT) */ | |
79 | #define PLT_ENTRY_WORD2 0x26c61fc6 /* ld r6, @r6 -> jmp r6 */ | |
80 | #define PLT_ENTRY_WORD3 0xe5000000 /* ld24 r5, $offset */ | |
81 | #define PLT_ENTRY_WORD4 0xff000000 /* bra .plt0. */ | |
6edf0760 | 82 | |
252b5132 | 83 | |
47b0e7ad | 84 | /* Utility to actually perform an R_M32R_10_PCREL reloc. */ |
252b5132 | 85 | |
47b0e7ad NC |
86 | static bfd_reloc_status_type |
87 | m32r_elf_do_10_pcrel_reloc (bfd *abfd, | |
88 | reloc_howto_type *howto, | |
89 | asection *input_section, | |
90 | bfd_byte *data, | |
91 | bfd_vma offset, | |
92 | asection *symbol_section ATTRIBUTE_UNUSED, | |
93 | bfd_vma symbol_value, | |
94 | bfd_vma addend) | |
95 | { | |
96 | bfd_signed_vma relocation; | |
97 | unsigned long x; | |
98 | bfd_reloc_status_type status; | |
252b5132 | 99 | |
47b0e7ad NC |
100 | /* Sanity check the address (offset in section). */ |
101 | if (offset > bfd_get_section_limit (abfd, input_section)) | |
102 | return bfd_reloc_outofrange; | |
252b5132 | 103 | |
47b0e7ad NC |
104 | relocation = symbol_value + addend; |
105 | /* Make it pc relative. */ | |
106 | relocation -= (input_section->output_section->vma | |
107 | + input_section->output_offset); | |
108 | /* These jumps mask off the lower two bits of the current address | |
109 | before doing pcrel calculations. */ | |
110 | relocation -= (offset & -(bfd_vma) 4); | |
252b5132 | 111 | |
47b0e7ad NC |
112 | if (relocation < -0x200 || relocation > 0x1ff) |
113 | status = bfd_reloc_overflow; | |
114 | else | |
115 | status = bfd_reloc_ok; | |
252b5132 | 116 | |
47b0e7ad NC |
117 | x = bfd_get_16 (abfd, data + offset); |
118 | relocation >>= howto->rightshift; | |
119 | relocation <<= howto->bitpos; | |
120 | x = (x & ~howto->dst_mask) | (((x & howto->src_mask) + relocation) & howto->dst_mask); | |
121 | bfd_put_16 (abfd, (bfd_vma) x, data + offset); | |
252b5132 | 122 | |
47b0e7ad NC |
123 | return status; |
124 | } | |
252b5132 | 125 | |
47b0e7ad | 126 | /* Handle the R_M32R_10_PCREL reloc. */ |
252b5132 | 127 | |
47b0e7ad NC |
128 | static bfd_reloc_status_type |
129 | m32r_elf_10_pcrel_reloc (bfd * abfd, | |
130 | arelent * reloc_entry, | |
131 | asymbol * symbol, | |
132 | void * data, | |
133 | asection * input_section, | |
134 | bfd * output_bfd, | |
135 | char ** error_message ATTRIBUTE_UNUSED) | |
136 | { | |
137 | /* This part is from bfd_elf_generic_reloc. */ | |
138 | if (output_bfd != NULL | |
139 | && (symbol->flags & BSF_SECTION_SYM) == 0 | |
140 | && (! reloc_entry->howto->partial_inplace | |
141 | || reloc_entry->addend == 0)) | |
142 | { | |
143 | reloc_entry->address += input_section->output_offset; | |
144 | return bfd_reloc_ok; | |
145 | } | |
252b5132 | 146 | |
47b0e7ad NC |
147 | if (output_bfd != NULL) |
148 | /* FIXME: See bfd_perform_relocation. Is this right? */ | |
149 | return bfd_reloc_continue; | |
252b5132 | 150 | |
47b0e7ad NC |
151 | return m32r_elf_do_10_pcrel_reloc (abfd, reloc_entry->howto, |
152 | input_section, | |
153 | data, reloc_entry->address, | |
154 | symbol->section, | |
155 | (symbol->value | |
156 | + symbol->section->output_section->vma | |
157 | + symbol->section->output_offset), | |
158 | reloc_entry->addend); | |
159 | } | |
252b5132 | 160 | |
47b0e7ad NC |
161 | /* Do generic partial_inplace relocation. |
162 | This is a local replacement for bfd_elf_generic_reloc. */ | |
252b5132 | 163 | |
47b0e7ad NC |
164 | static bfd_reloc_status_type |
165 | m32r_elf_generic_reloc (bfd *input_bfd, | |
166 | arelent *reloc_entry, | |
167 | asymbol *symbol, | |
168 | void * data, | |
169 | asection *input_section, | |
170 | bfd *output_bfd, | |
171 | char **error_message ATTRIBUTE_UNUSED) | |
172 | { | |
173 | bfd_reloc_status_type ret; | |
174 | bfd_vma relocation; | |
175 | bfd_byte *inplace_address; | |
252b5132 | 176 | |
47b0e7ad NC |
177 | /* This part is from bfd_elf_generic_reloc. |
178 | If we're relocating, and this an external symbol, we don't want | |
179 | to change anything. */ | |
180 | if (output_bfd != NULL | |
181 | && (symbol->flags & BSF_SECTION_SYM) == 0 | |
182 | && reloc_entry->addend == 0) | |
183 | { | |
184 | reloc_entry->address += input_section->output_offset; | |
185 | return bfd_reloc_ok; | |
186 | } | |
6edf0760 | 187 | |
47b0e7ad NC |
188 | /* Now do the reloc in the usual way. |
189 | ??? It would be nice to call bfd_elf_generic_reloc here, | |
190 | but we have partial_inplace set. bfd_elf_generic_reloc will | |
191 | pass the handling back to bfd_install_relocation which will install | |
192 | a section relative addend which is wrong. */ | |
6edf0760 | 193 | |
47b0e7ad NC |
194 | /* Sanity check the address (offset in section). */ |
195 | if (reloc_entry->address > bfd_get_section_limit (input_bfd, input_section)) | |
196 | return bfd_reloc_outofrange; | |
6edf0760 | 197 | |
47b0e7ad NC |
198 | ret = bfd_reloc_ok; |
199 | if (bfd_is_und_section (symbol->section) | |
200 | && output_bfd == NULL) | |
201 | ret = bfd_reloc_undefined; | |
6edf0760 | 202 | |
47b0e7ad NC |
203 | if (bfd_is_com_section (symbol->section) |
204 | || output_bfd != NULL) | |
205 | relocation = 0; | |
206 | else | |
207 | relocation = symbol->value; | |
6edf0760 | 208 | |
47b0e7ad NC |
209 | /* Only do this for a final link. */ |
210 | if (output_bfd == NULL) | |
211 | { | |
212 | relocation += symbol->section->output_section->vma; | |
213 | relocation += symbol->section->output_offset; | |
214 | } | |
6edf0760 | 215 | |
47b0e7ad NC |
216 | relocation += reloc_entry->addend; |
217 | inplace_address = (bfd_byte *) data + reloc_entry->address; | |
6edf0760 | 218 | |
07d6d2b8 AM |
219 | #define DOIT(x) \ |
220 | x = ( (x & ~reloc_entry->howto->dst_mask) | \ | |
47b0e7ad NC |
221 | (((x & reloc_entry->howto->src_mask) + relocation) & \ |
222 | reloc_entry->howto->dst_mask)) | |
6edf0760 | 223 | |
47b0e7ad NC |
224 | switch (reloc_entry->howto->size) |
225 | { | |
226 | case 1: | |
227 | { | |
228 | short x = bfd_get_16 (input_bfd, inplace_address); | |
229 | DOIT (x); | |
07d6d2b8 | 230 | bfd_put_16 (input_bfd, (bfd_vma) x, inplace_address); |
47b0e7ad NC |
231 | } |
232 | break; | |
233 | case 2: | |
234 | { | |
235 | unsigned long x = bfd_get_32 (input_bfd, inplace_address); | |
236 | DOIT (x); | |
07d6d2b8 | 237 | bfd_put_32 (input_bfd, (bfd_vma)x , inplace_address); |
47b0e7ad NC |
238 | } |
239 | break; | |
240 | default: | |
241 | BFD_ASSERT (0); | |
242 | } | |
6edf0760 | 243 | |
47b0e7ad NC |
244 | if (output_bfd != NULL) |
245 | reloc_entry->address += input_section->output_offset; | |
6edf0760 | 246 | |
47b0e7ad NC |
247 | return ret; |
248 | } | |
6edf0760 | 249 | |
47b0e7ad NC |
250 | /* Handle the R_M32R_SDA16 reloc. |
251 | This reloc is used to compute the address of objects in the small data area | |
252 | and to perform loads and stores from that area. | |
253 | The lower 16 bits are sign extended and added to the register specified | |
254 | in the instruction, which is assumed to point to _SDA_BASE_. */ | |
6edf0760 | 255 | |
47b0e7ad NC |
256 | static bfd_reloc_status_type |
257 | m32r_elf_sda16_reloc (bfd *abfd ATTRIBUTE_UNUSED, | |
258 | arelent *reloc_entry, | |
259 | asymbol *symbol, | |
260 | void * data ATTRIBUTE_UNUSED, | |
261 | asection *input_section, | |
262 | bfd *output_bfd, | |
263 | char **error_message ATTRIBUTE_UNUSED) | |
264 | { | |
265 | /* This part is from bfd_elf_generic_reloc. */ | |
266 | if (output_bfd != NULL | |
267 | && (symbol->flags & BSF_SECTION_SYM) == 0 | |
268 | && (! reloc_entry->howto->partial_inplace | |
269 | || reloc_entry->addend == 0)) | |
270 | { | |
271 | reloc_entry->address += input_section->output_offset; | |
272 | return bfd_reloc_ok; | |
273 | } | |
6edf0760 | 274 | |
47b0e7ad NC |
275 | if (output_bfd != NULL) |
276 | /* FIXME: See bfd_perform_relocation. Is this right? */ | |
277 | return bfd_reloc_continue; | |
6edf0760 | 278 | |
47b0e7ad NC |
279 | /* FIXME: not sure what to do here yet. But then again, the linker |
280 | may never call us. */ | |
281 | abort (); | |
282 | } | |
6edf0760 | 283 | |
47b0e7ad NC |
284 | \f |
285 | /* Handle the R_M32R_HI16_[SU]LO relocs. | |
286 | HI16_SLO is for the add3 and load/store with displacement instructions. | |
287 | HI16_ULO is for the or3 instruction. | |
288 | For R_M32R_HI16_SLO, the lower 16 bits are sign extended when added to | |
289 | the high 16 bytes so if the lower 16 bits are negative (bit 15 == 1) then | |
290 | we must add one to the high 16 bytes (which will get subtracted off when | |
291 | the low 16 bits are added). | |
292 | These relocs have to be done in combination with an R_M32R_LO16 reloc | |
293 | because there is a carry from the LO16 to the HI16. Here we just save | |
294 | the information we need; we do the actual relocation when we see the LO16. | |
295 | This code is copied from the elf32-mips.c. We also support an arbitrary | |
296 | number of HI16 relocs to be associated with a single LO16 reloc. The | |
297 | assembler sorts the relocs to ensure each HI16 immediately precedes its | |
298 | LO16. However if there are multiple copies, the assembler may not find | |
299 | the real LO16 so it picks the first one it finds. */ | |
6edf0760 | 300 | |
47b0e7ad NC |
301 | struct m32r_hi16 |
302 | { | |
303 | struct m32r_hi16 *next; | |
304 | bfd_byte *addr; | |
305 | bfd_vma addend; | |
306 | }; | |
307 | ||
308 | /* FIXME: This should not be a static variable. */ | |
309 | ||
310 | static struct m32r_hi16 *m32r_hi16_list; | |
311 | ||
312 | static bfd_reloc_status_type | |
313 | m32r_elf_hi16_reloc (bfd *abfd ATTRIBUTE_UNUSED, | |
314 | arelent *reloc_entry, | |
315 | asymbol *symbol, | |
316 | void * data, | |
317 | asection *input_section, | |
318 | bfd *output_bfd, | |
319 | char **error_message ATTRIBUTE_UNUSED) | |
320 | { | |
321 | bfd_reloc_status_type ret; | |
322 | bfd_vma relocation; | |
323 | struct m32r_hi16 *n; | |
324 | ||
325 | /* This part is from bfd_elf_generic_reloc. | |
326 | If we're relocating, and this an external symbol, we don't want | |
327 | to change anything. */ | |
328 | if (output_bfd != NULL | |
329 | && (symbol->flags & BSF_SECTION_SYM) == 0 | |
330 | && reloc_entry->addend == 0) | |
331 | { | |
332 | reloc_entry->address += input_section->output_offset; | |
333 | return bfd_reloc_ok; | |
334 | } | |
335 | ||
336 | /* Sanity check the address (offset in section). */ | |
337 | if (reloc_entry->address > bfd_get_section_limit (abfd, input_section)) | |
338 | return bfd_reloc_outofrange; | |
339 | ||
340 | ret = bfd_reloc_ok; | |
341 | if (bfd_is_und_section (symbol->section) | |
342 | && output_bfd == NULL) | |
343 | ret = bfd_reloc_undefined; | |
344 | ||
345 | if (bfd_is_com_section (symbol->section)) | |
346 | relocation = 0; | |
347 | else | |
348 | relocation = symbol->value; | |
349 | ||
350 | relocation += symbol->section->output_section->vma; | |
351 | relocation += symbol->section->output_offset; | |
352 | relocation += reloc_entry->addend; | |
353 | ||
354 | /* Save the information, and let LO16 do the actual relocation. */ | |
355 | n = bfd_malloc ((bfd_size_type) sizeof *n); | |
356 | if (n == NULL) | |
357 | return bfd_reloc_outofrange; | |
358 | n->addr = (bfd_byte *) data + reloc_entry->address; | |
359 | n->addend = relocation; | |
360 | n->next = m32r_hi16_list; | |
361 | m32r_hi16_list = n; | |
362 | ||
363 | if (output_bfd != NULL) | |
364 | reloc_entry->address += input_section->output_offset; | |
365 | ||
366 | return ret; | |
367 | } | |
368 | ||
369 | /* Handle an M32R ELF HI16 reloc. */ | |
370 | ||
371 | static void | |
372 | m32r_elf_relocate_hi16 (bfd *input_bfd, | |
373 | int type, | |
374 | Elf_Internal_Rela *relhi, | |
375 | Elf_Internal_Rela *rello, | |
376 | bfd_byte *contents, | |
377 | bfd_vma addend) | |
378 | { | |
379 | unsigned long insn; | |
380 | bfd_vma addlo; | |
381 | ||
382 | insn = bfd_get_32 (input_bfd, contents + relhi->r_offset); | |
383 | ||
384 | addlo = bfd_get_32 (input_bfd, contents + rello->r_offset); | |
385 | if (type == R_M32R_HI16_SLO) | |
386 | addlo = ((addlo & 0xffff) ^ 0x8000) - 0x8000; | |
387 | else | |
388 | addlo &= 0xffff; | |
389 | ||
390 | addend += ((insn & 0xffff) << 16) + addlo; | |
391 | ||
392 | /* Reaccount for sign extension of low part. */ | |
393 | if (type == R_M32R_HI16_SLO | |
394 | && (addend & 0x8000) != 0) | |
395 | addend += 0x10000; | |
396 | ||
397 | bfd_put_32 (input_bfd, | |
398 | (insn & 0xffff0000) | ((addend >> 16) & 0xffff), | |
399 | contents + relhi->r_offset); | |
400 | } | |
401 | ||
402 | /* Do an R_M32R_LO16 relocation. This is a straightforward 16 bit | |
403 | inplace relocation; this function exists in order to do the | |
404 | R_M32R_HI16_[SU]LO relocation described above. */ | |
405 | ||
406 | static bfd_reloc_status_type | |
407 | m32r_elf_lo16_reloc (bfd *input_bfd, | |
408 | arelent *reloc_entry, | |
409 | asymbol *symbol, | |
410 | void * data, | |
411 | asection *input_section, | |
412 | bfd *output_bfd, | |
413 | char **error_message) | |
414 | { | |
415 | /* This part is from bfd_elf_generic_reloc. | |
416 | If we're relocating, and this an external symbol, we don't want | |
417 | to change anything. */ | |
418 | if (output_bfd != NULL | |
419 | && (symbol->flags & BSF_SECTION_SYM) == 0 | |
420 | && reloc_entry->addend == 0) | |
421 | { | |
422 | reloc_entry->address += input_section->output_offset; | |
423 | return bfd_reloc_ok; | |
424 | } | |
425 | ||
426 | if (m32r_hi16_list != NULL) | |
427 | { | |
428 | struct m32r_hi16 *l; | |
429 | ||
430 | l = m32r_hi16_list; | |
431 | while (l != NULL) | |
432 | { | |
433 | unsigned long insn; | |
434 | unsigned long val; | |
435 | unsigned long vallo; | |
436 | struct m32r_hi16 *next; | |
437 | ||
438 | /* Do the HI16 relocation. Note that we actually don't need | |
439 | to know anything about the LO16 itself, except where to | |
440 | find the low 16 bits of the addend needed by the LO16. */ | |
441 | insn = bfd_get_32 (input_bfd, l->addr); | |
442 | vallo = ((bfd_get_32 (input_bfd, (bfd_byte *) data + reloc_entry->address) | |
443 | & 0xffff) ^ 0x8000) - 0x8000; | |
444 | val = ((insn & 0xffff) << 16) + vallo; | |
445 | val += l->addend; | |
446 | ||
447 | /* Reaccount for sign extension of low part. */ | |
448 | if ((val & 0x8000) != 0) | |
449 | val += 0x10000; | |
450 | ||
451 | insn = (insn &~ (bfd_vma) 0xffff) | ((val >> 16) & 0xffff); | |
452 | bfd_put_32 (input_bfd, (bfd_vma) insn, l->addr); | |
453 | ||
454 | next = l->next; | |
455 | free (l); | |
456 | l = next; | |
457 | } | |
6edf0760 | 458 | |
47b0e7ad NC |
459 | m32r_hi16_list = NULL; |
460 | } | |
461 | ||
462 | /* Now do the LO16 reloc in the usual way. | |
463 | ??? It would be nice to call bfd_elf_generic_reloc here, | |
464 | but we have partial_inplace set. bfd_elf_generic_reloc will | |
465 | pass the handling back to bfd_install_relocation which will install | |
466 | a section relative addend which is wrong. */ | |
467 | return m32r_elf_generic_reloc (input_bfd, reloc_entry, symbol, data, | |
468 | input_section, output_bfd, error_message); | |
469 | } | |
470 | ||
471 | \f | |
472 | static reloc_howto_type m32r_elf_howto_table[] = | |
473 | { | |
474 | /* This reloc does nothing. */ | |
475 | HOWTO (R_M32R_NONE, /* type */ | |
6edf0760 | 476 | 0, /* rightshift */ |
6346d5ca AM |
477 | 3, /* size (0 = byte, 1 = short, 2 = long) */ |
478 | 0, /* bitsize */ | |
6edf0760 NC |
479 | FALSE, /* pc_relative */ |
480 | 0, /* bitpos */ | |
6346d5ca | 481 | complain_overflow_dont, /* complain_on_overflow */ |
47b0e7ad NC |
482 | bfd_elf_generic_reloc, /* special_function */ |
483 | "R_M32R_NONE", /* name */ | |
6edf0760 | 484 | FALSE, /* partial_inplace */ |
47b0e7ad NC |
485 | 0, /* src_mask */ |
486 | 0, /* dst_mask */ | |
6edf0760 NC |
487 | FALSE), /* pcrel_offset */ |
488 | ||
47b0e7ad NC |
489 | /* A 16 bit absolute relocation. */ |
490 | HOWTO (R_M32R_16, /* type */ | |
6edf0760 | 491 | 0, /* rightshift */ |
47b0e7ad NC |
492 | 1, /* size (0 = byte, 1 = short, 2 = long) */ |
493 | 16, /* bitsize */ | |
6edf0760 NC |
494 | FALSE, /* pc_relative */ |
495 | 0, /* bitpos */ | |
496 | complain_overflow_bitfield, /* complain_on_overflow */ | |
47b0e7ad NC |
497 | m32r_elf_generic_reloc,/* special_function */ |
498 | "R_M32R_16", /* name */ | |
499 | TRUE, /* partial_inplace */ | |
500 | 0xffff, /* src_mask */ | |
501 | 0xffff, /* dst_mask */ | |
6edf0760 NC |
502 | FALSE), /* pcrel_offset */ |
503 | ||
47b0e7ad NC |
504 | /* A 32 bit absolute relocation. */ |
505 | HOWTO (R_M32R_32, /* type */ | |
6edf0760 NC |
506 | 0, /* rightshift */ |
507 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
508 | 32, /* bitsize */ | |
509 | FALSE, /* pc_relative */ | |
510 | 0, /* bitpos */ | |
511 | complain_overflow_bitfield, /* complain_on_overflow */ | |
47b0e7ad NC |
512 | m32r_elf_generic_reloc,/* special_function */ |
513 | "R_M32R_32", /* name */ | |
514 | TRUE, /* partial_inplace */ | |
6edf0760 NC |
515 | 0xffffffff, /* src_mask */ |
516 | 0xffffffff, /* dst_mask */ | |
517 | FALSE), /* pcrel_offset */ | |
518 | ||
47b0e7ad NC |
519 | /* A 24 bit address. */ |
520 | HOWTO (R_M32R_24, /* type */ | |
6edf0760 NC |
521 | 0, /* rightshift */ |
522 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
097f809a | 523 | 24, /* bitsize */ |
6edf0760 NC |
524 | FALSE, /* pc_relative */ |
525 | 0, /* bitpos */ | |
47b0e7ad NC |
526 | complain_overflow_unsigned, /* complain_on_overflow */ |
527 | m32r_elf_generic_reloc,/* special_function */ | |
528 | "R_M32R_24", /* name */ | |
529 | TRUE, /* partial_inplace */ | |
097f809a NC |
530 | 0xffffff, /* src_mask */ |
531 | 0xffffff, /* dst_mask */ | |
6edf0760 NC |
532 | FALSE), /* pcrel_offset */ |
533 | ||
47b0e7ad NC |
534 | /* An PC Relative 10-bit relocation, shifted by 2. |
535 | This reloc is complicated because relocations are relative to pc & -4. | |
536 | i.e. branches in the right insn slot use the address of the left insn | |
537 | slot for pc. */ | |
538 | /* ??? It's not clear whether this should have partial_inplace set or not. | |
539 | Branch relaxing in the assembler can store the addend in the insn, | |
540 | and if bfd_install_relocation gets called the addend may get added | |
541 | again. */ | |
542 | HOWTO (R_M32R_10_PCREL, /* type */ | |
07d6d2b8 AM |
543 | 2, /* rightshift */ |
544 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
545 | 10, /* bitsize */ | |
546 | TRUE, /* pc_relative */ | |
547 | 0, /* bitpos */ | |
47b0e7ad NC |
548 | complain_overflow_signed, /* complain_on_overflow */ |
549 | m32r_elf_10_pcrel_reloc, /* special_function */ | |
550 | "R_M32R_10_PCREL", /* name */ | |
07d6d2b8 AM |
551 | FALSE, /* partial_inplace */ |
552 | 0xff, /* src_mask */ | |
553 | 0xff, /* dst_mask */ | |
6edf0760 NC |
554 | TRUE), /* pcrel_offset */ |
555 | ||
47b0e7ad NC |
556 | /* A relative 18 bit relocation, right shifted by 2. */ |
557 | HOWTO (R_M32R_18_PCREL, /* type */ | |
558 | 2, /* rightshift */ | |
6edf0760 NC |
559 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
560 | 16, /* bitsize */ | |
47b0e7ad | 561 | TRUE, /* pc_relative */ |
6edf0760 | 562 | 0, /* bitpos */ |
47b0e7ad | 563 | complain_overflow_signed, /* complain_on_overflow */ |
6edf0760 | 564 | bfd_elf_generic_reloc, /* special_function */ |
47b0e7ad | 565 | "R_M32R_18_PCREL", /* name */ |
6edf0760 | 566 | FALSE, /* partial_inplace */ |
47b0e7ad NC |
567 | 0xffff, /* src_mask */ |
568 | 0xffff, /* dst_mask */ | |
569 | TRUE), /* pcrel_offset */ | |
6edf0760 | 570 | |
47b0e7ad NC |
571 | /* A relative 26 bit relocation, right shifted by 2. */ |
572 | /* ??? It's not clear whether this should have partial_inplace set or not. | |
573 | Branch relaxing in the assembler can store the addend in the insn, | |
574 | and if bfd_install_relocation gets called the addend may get added | |
575 | again. */ | |
576 | HOWTO (R_M32R_26_PCREL, /* type */ | |
577 | 2, /* rightshift */ | |
6edf0760 | 578 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
47b0e7ad NC |
579 | 26, /* bitsize */ |
580 | TRUE, /* pc_relative */ | |
6edf0760 | 581 | 0, /* bitpos */ |
47b0e7ad | 582 | complain_overflow_signed, /* complain_on_overflow */ |
6edf0760 | 583 | bfd_elf_generic_reloc, /* special_function */ |
47b0e7ad | 584 | "R_M32R_26_PCREL", /* name */ |
6edf0760 | 585 | FALSE, /* partial_inplace */ |
47b0e7ad NC |
586 | 0xffffff, /* src_mask */ |
587 | 0xffffff, /* dst_mask */ | |
588 | TRUE), /* pcrel_offset */ | |
6edf0760 | 589 | |
47b0e7ad NC |
590 | /* High 16 bits of address when lower 16 is or'd in. */ |
591 | HOWTO (R_M32R_HI16_ULO, /* type */ | |
592 | 16, /* rightshift */ | |
6edf0760 NC |
593 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
594 | 16, /* bitsize */ | |
595 | FALSE, /* pc_relative */ | |
596 | 0, /* bitpos */ | |
597 | complain_overflow_dont, /* complain_on_overflow */ | |
47b0e7ad NC |
598 | m32r_elf_hi16_reloc, /* special_function */ |
599 | "R_M32R_HI16_ULO", /* name */ | |
600 | TRUE, /* partial_inplace */ | |
6edf0760 NC |
601 | 0x0000ffff, /* src_mask */ |
602 | 0x0000ffff, /* dst_mask */ | |
603 | FALSE), /* pcrel_offset */ | |
604 | ||
47b0e7ad NC |
605 | /* High 16 bits of address when lower 16 is added in. */ |
606 | HOWTO (R_M32R_HI16_SLO, /* type */ | |
6edf0760 NC |
607 | 16, /* rightshift */ |
608 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
609 | 16, /* bitsize */ | |
610 | FALSE, /* pc_relative */ | |
611 | 0, /* bitpos */ | |
612 | complain_overflow_dont, /* complain_on_overflow */ | |
47b0e7ad NC |
613 | m32r_elf_hi16_reloc, /* special_function */ |
614 | "R_M32R_HI16_SLO", /* name */ | |
615 | TRUE, /* partial_inplace */ | |
6edf0760 NC |
616 | 0x0000ffff, /* src_mask */ |
617 | 0x0000ffff, /* dst_mask */ | |
47b0e7ad | 618 | FALSE), /* pcrel_offset */ |
6edf0760 | 619 | |
47b0e7ad NC |
620 | /* Lower 16 bits of address. */ |
621 | HOWTO (R_M32R_LO16, /* type */ | |
622 | 0, /* rightshift */ | |
6edf0760 NC |
623 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
624 | 16, /* bitsize */ | |
625 | FALSE, /* pc_relative */ | |
626 | 0, /* bitpos */ | |
627 | complain_overflow_dont, /* complain_on_overflow */ | |
47b0e7ad NC |
628 | m32r_elf_lo16_reloc, /* special_function */ |
629 | "R_M32R_LO16", /* name */ | |
630 | TRUE, /* partial_inplace */ | |
6edf0760 NC |
631 | 0x0000ffff, /* src_mask */ |
632 | 0x0000ffff, /* dst_mask */ | |
47b0e7ad | 633 | FALSE), /* pcrel_offset */ |
6edf0760 | 634 | |
47b0e7ad NC |
635 | /* Small data area 16 bits offset. */ |
636 | HOWTO (R_M32R_SDA16, /* type */ | |
6edf0760 NC |
637 | 0, /* rightshift */ |
638 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
639 | 16, /* bitsize */ | |
640 | FALSE, /* pc_relative */ | |
641 | 0, /* bitpos */ | |
47b0e7ad NC |
642 | complain_overflow_signed, /* complain_on_overflow */ |
643 | m32r_elf_sda16_reloc, /* special_function */ | |
644 | "R_M32R_SDA16", /* name */ | |
645 | TRUE, /* partial_inplace */ /* FIXME: correct? */ | |
6edf0760 NC |
646 | 0x0000ffff, /* src_mask */ |
647 | 0x0000ffff, /* dst_mask */ | |
47b0e7ad | 648 | FALSE), /* pcrel_offset */ |
097f809a | 649 | |
47b0e7ad NC |
650 | /* GNU extension to record C++ vtable hierarchy. */ |
651 | HOWTO (R_M32R_GNU_VTINHERIT, /* type */ | |
07d6d2b8 AM |
652 | 0, /* rightshift */ |
653 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
654 | 0, /* bitsize */ | |
655 | FALSE, /* pc_relative */ | |
656 | 0, /* bitpos */ | |
657 | complain_overflow_dont, /* complain_on_overflow */ | |
658 | NULL, /* special_function */ | |
659 | "R_M32R_GNU_VTINHERIT", /* name */ | |
660 | FALSE, /* partial_inplace */ | |
661 | 0, /* src_mask */ | |
662 | 0, /* dst_mask */ | |
663 | FALSE), /* pcrel_offset */ | |
47b0e7ad NC |
664 | |
665 | /* GNU extension to record C++ vtable member usage. */ | |
07d6d2b8 AM |
666 | HOWTO (R_M32R_GNU_VTENTRY, /* type */ |
667 | 0, /* rightshift */ | |
668 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
669 | 0, /* bitsize */ | |
670 | FALSE, /* pc_relative */ | |
671 | 0, /* bitpos */ | |
672 | complain_overflow_dont, /* complain_on_overflow */ | |
673 | _bfd_elf_rel_vtable_reloc_fn, /* special_function */ | |
674 | "R_M32R_GNU_VTENTRY", /* name */ | |
675 | FALSE, /* partial_inplace */ | |
676 | 0, /* src_mask */ | |
677 | 0, /* dst_mask */ | |
678 | FALSE), /* pcrel_offset */ | |
47b0e7ad NC |
679 | |
680 | EMPTY_HOWTO (13), | |
681 | EMPTY_HOWTO (14), | |
682 | EMPTY_HOWTO (15), | |
683 | EMPTY_HOWTO (16), | |
684 | EMPTY_HOWTO (17), | |
685 | EMPTY_HOWTO (18), | |
686 | EMPTY_HOWTO (19), | |
687 | EMPTY_HOWTO (20), | |
688 | EMPTY_HOWTO (21), | |
689 | EMPTY_HOWTO (22), | |
690 | EMPTY_HOWTO (23), | |
691 | EMPTY_HOWTO (24), | |
692 | EMPTY_HOWTO (25), | |
693 | EMPTY_HOWTO (26), | |
694 | EMPTY_HOWTO (27), | |
695 | EMPTY_HOWTO (28), | |
696 | EMPTY_HOWTO (29), | |
697 | EMPTY_HOWTO (30), | |
698 | EMPTY_HOWTO (31), | |
699 | EMPTY_HOWTO (32), | |
700 | ||
701 | /* A 16 bit absolute relocation. */ | |
702 | HOWTO (R_M32R_16_RELA, /* type */ | |
703 | 0, /* rightshift */ | |
704 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
097f809a NC |
705 | 16, /* bitsize */ |
706 | FALSE, /* pc_relative */ | |
707 | 0, /* bitpos */ | |
47b0e7ad | 708 | complain_overflow_bitfield, /* complain_on_overflow */ |
097f809a | 709 | bfd_elf_generic_reloc, /* special_function */ |
47b0e7ad | 710 | "R_M32R_16_RELA", /* name */ |
097f809a | 711 | FALSE, /* partial_inplace */ |
47b0e7ad NC |
712 | 0xffff, /* src_mask */ |
713 | 0xffff, /* dst_mask */ | |
097f809a NC |
714 | FALSE), /* pcrel_offset */ |
715 | ||
47b0e7ad NC |
716 | /* A 32 bit absolute relocation. */ |
717 | HOWTO (R_M32R_32_RELA, /* type */ | |
718 | 0, /* rightshift */ | |
097f809a | 719 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
47b0e7ad | 720 | 32, /* bitsize */ |
097f809a NC |
721 | FALSE, /* pc_relative */ |
722 | 0, /* bitpos */ | |
47b0e7ad NC |
723 | complain_overflow_bitfield, /* complain_on_overflow */ |
724 | bfd_elf_generic_reloc,/* special_function */ | |
725 | "R_M32R_32_RELA", /* name */ | |
097f809a | 726 | FALSE, /* partial_inplace */ |
47b0e7ad NC |
727 | 0xffffffff, /* src_mask */ |
728 | 0xffffffff, /* dst_mask */ | |
097f809a NC |
729 | FALSE), /* pcrel_offset */ |
730 | ||
47b0e7ad NC |
731 | /* A 24 bit address. */ |
732 | HOWTO (R_M32R_24_RELA, /* type */ | |
097f809a NC |
733 | 0, /* rightshift */ |
734 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
47b0e7ad | 735 | 24, /* bitsize */ |
097f809a NC |
736 | FALSE, /* pc_relative */ |
737 | 0, /* bitpos */ | |
47b0e7ad NC |
738 | complain_overflow_unsigned, /* complain_on_overflow */ |
739 | bfd_elf_generic_reloc,/* special_function */ | |
740 | "R_M32R_24_RELA", /* name */ | |
097f809a | 741 | FALSE, /* partial_inplace */ |
47b0e7ad NC |
742 | 0xffffff, /* src_mask */ |
743 | 0xffffff, /* dst_mask */ | |
097f809a | 744 | FALSE), /* pcrel_offset */ |
252b5132 | 745 | |
47b0e7ad | 746 | HOWTO (R_M32R_10_PCREL_RELA, /* type */ |
07d6d2b8 AM |
747 | 2, /* rightshift */ |
748 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
749 | 10, /* bitsize */ | |
750 | TRUE, /* pc_relative */ | |
751 | 0, /* bitpos */ | |
47b0e7ad NC |
752 | complain_overflow_signed, /* complain_on_overflow */ |
753 | m32r_elf_10_pcrel_reloc, /* special_function */ | |
754 | "R_M32R_10_PCREL_RELA",/* name */ | |
07d6d2b8 AM |
755 | FALSE, /* partial_inplace */ |
756 | 0xff, /* src_mask */ | |
757 | 0xff, /* dst_mask */ | |
47b0e7ad | 758 | TRUE), /* pcrel_offset */ |
252b5132 | 759 | |
47b0e7ad NC |
760 | /* A relative 18 bit relocation, right shifted by 2. */ |
761 | HOWTO (R_M32R_18_PCREL_RELA, /* type */ | |
762 | 2, /* rightshift */ | |
763 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
764 | 16, /* bitsize */ | |
765 | TRUE, /* pc_relative */ | |
766 | 0, /* bitpos */ | |
767 | complain_overflow_signed, /* complain_on_overflow */ | |
768 | bfd_elf_generic_reloc, /* special_function */ | |
769 | "R_M32R_18_PCREL_RELA",/* name */ | |
770 | FALSE, /* partial_inplace */ | |
771 | 0xffff, /* src_mask */ | |
772 | 0xffff, /* dst_mask */ | |
773 | TRUE), /* pcrel_offset */ | |
252b5132 | 774 | |
47b0e7ad NC |
775 | /* A relative 26 bit relocation, right shifted by 2. */ |
776 | HOWTO (R_M32R_26_PCREL_RELA, /* type */ | |
777 | 2, /* rightshift */ | |
778 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
779 | 26, /* bitsize */ | |
780 | TRUE, /* pc_relative */ | |
781 | 0, /* bitpos */ | |
782 | complain_overflow_signed, /* complain_on_overflow */ | |
783 | bfd_elf_generic_reloc, /* special_function */ | |
784 | "R_M32R_26_PCREL_RELA",/* name */ | |
785 | FALSE, /* partial_inplace */ | |
786 | 0xffffff, /* src_mask */ | |
787 | 0xffffff, /* dst_mask */ | |
788 | TRUE), /* pcrel_offset */ | |
4c72e23a | 789 | |
47b0e7ad NC |
790 | /* High 16 bits of address when lower 16 is or'd in. */ |
791 | HOWTO (R_M32R_HI16_ULO_RELA, /* type */ | |
792 | 16, /* rightshift */ | |
793 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
794 | 16, /* bitsize */ | |
795 | FALSE, /* pc_relative */ | |
796 | 0, /* bitpos */ | |
797 | complain_overflow_dont, /* complain_on_overflow */ | |
798 | bfd_elf_generic_reloc, /* special_function */ | |
799 | "R_M32R_HI16_ULO_RELA",/* name */ | |
800 | FALSE, /* partial_inplace */ | |
801 | 0x0000ffff, /* src_mask */ | |
802 | 0x0000ffff, /* dst_mask */ | |
803 | FALSE), /* pcrel_offset */ | |
252b5132 | 804 | |
47b0e7ad NC |
805 | /* High 16 bits of address when lower 16 is added in. */ |
806 | HOWTO (R_M32R_HI16_SLO_RELA, /* type */ | |
807 | 16, /* rightshift */ | |
808 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
809 | 16, /* bitsize */ | |
810 | FALSE, /* pc_relative */ | |
811 | 0, /* bitpos */ | |
812 | complain_overflow_dont, /* complain_on_overflow */ | |
813 | bfd_elf_generic_reloc, /* special_function */ | |
814 | "R_M32R_HI16_SLO_RELA",/* name */ | |
815 | FALSE, /* partial_inplace */ | |
816 | 0x0000ffff, /* src_mask */ | |
817 | 0x0000ffff, /* dst_mask */ | |
818 | FALSE), /* pcrel_offset */ | |
252b5132 | 819 | |
47b0e7ad NC |
820 | /* Lower 16 bits of address. */ |
821 | HOWTO (R_M32R_LO16_RELA, /* type */ | |
822 | 0, /* rightshift */ | |
823 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
824 | 16, /* bitsize */ | |
825 | FALSE, /* pc_relative */ | |
826 | 0, /* bitpos */ | |
827 | complain_overflow_dont, /* complain_on_overflow */ | |
828 | bfd_elf_generic_reloc, /* special_function */ | |
829 | "R_M32R_LO16_RELA", /* name */ | |
830 | FALSE, /* partial_inplace */ | |
831 | 0x0000ffff, /* src_mask */ | |
832 | 0x0000ffff, /* dst_mask */ | |
833 | FALSE), /* pcrel_offset */ | |
252b5132 | 834 | |
47b0e7ad NC |
835 | /* Small data area 16 bits offset. */ |
836 | HOWTO (R_M32R_SDA16_RELA, /* type */ | |
837 | 0, /* rightshift */ | |
838 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
839 | 16, /* bitsize */ | |
840 | FALSE, /* pc_relative */ | |
841 | 0, /* bitpos */ | |
842 | complain_overflow_signed, /* complain_on_overflow */ | |
843 | bfd_elf_generic_reloc, /* special_function */ | |
844 | "R_M32R_SDA16_RELA", /* name */ | |
845 | TRUE, /* partial_inplace */ /* FIXME: correct? */ | |
846 | 0x0000ffff, /* src_mask */ | |
847 | 0x0000ffff, /* dst_mask */ | |
848 | FALSE), /* pcrel_offset */ | |
252b5132 | 849 | |
47b0e7ad NC |
850 | /* GNU extension to record C++ vtable hierarchy. */ |
851 | HOWTO (R_M32R_RELA_GNU_VTINHERIT, /* type */ | |
07d6d2b8 AM |
852 | 0, /* rightshift */ |
853 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
854 | 0, /* bitsize */ | |
855 | FALSE, /* pc_relative */ | |
856 | 0, /* bitpos */ | |
857 | complain_overflow_dont, /* complain_on_overflow */ | |
858 | NULL, /* special_function */ | |
859 | "R_M32R_RELA_GNU_VTINHERIT", /* name */ | |
860 | FALSE, /* partial_inplace */ | |
861 | 0, /* src_mask */ | |
862 | 0, /* dst_mask */ | |
863 | FALSE), /* pcrel_offset */ | |
252b5132 | 864 | |
47b0e7ad NC |
865 | /* GNU extension to record C++ vtable member usage. */ |
866 | HOWTO (R_M32R_RELA_GNU_VTENTRY, /* type */ | |
07d6d2b8 AM |
867 | 0, /* rightshift */ |
868 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
869 | 0, /* bitsize */ | |
870 | FALSE, /* pc_relative */ | |
871 | 0, /* bitpos */ | |
872 | complain_overflow_dont, /* complain_on_overflow */ | |
873 | _bfd_elf_rel_vtable_reloc_fn, /* special_function */ | |
874 | "R_M32R_RELA_GNU_VTENTRY", /* name */ | |
875 | FALSE, /* partial_inplace */ | |
876 | 0, /* src_mask */ | |
877 | 0, /* dst_mask */ | |
878 | FALSE), /* pcrel_offset */ | |
252b5132 | 879 | |
157e7bd1 NC |
880 | /* A 32 bit PC relative relocation. */ |
881 | HOWTO (R_M32R_REL32, /* type */ | |
882 | 0, /* rightshift */ | |
883 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
884 | 32, /* bitsize */ | |
885 | TRUE, /* pc_relative */ | |
886 | 0, /* bitpos */ | |
887 | complain_overflow_bitfield, /* complain_on_overflow */ | |
888 | bfd_elf_generic_reloc,/* special_function */ | |
889 | "R_M32R_REL32", /* name */ | |
890 | FALSE, /* partial_inplace */ | |
891 | 0xffffffff, /* src_mask */ | |
892 | 0xffffffff, /* dst_mask */ | |
893 | TRUE), /* pcrel_offset */ | |
894 | ||
47b0e7ad NC |
895 | EMPTY_HOWTO (46), |
896 | EMPTY_HOWTO (47), | |
252b5132 | 897 | |
47b0e7ad NC |
898 | /* Like R_M32R_24, but referring to the GOT table entry for |
899 | the symbol. */ | |
900 | HOWTO (R_M32R_GOT24, /* type */ | |
901 | 0, /* rightshift */ | |
902 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
903 | 24, /* bitsize */ | |
904 | FALSE, /* pc_relative */ | |
905 | 0, /* bitpos */ | |
906 | complain_overflow_unsigned, /* complain_on_overflow */ | |
907 | bfd_elf_generic_reloc, /* special_function */ | |
908 | "R_M32R_GOT24", /* name */ | |
909 | FALSE, /* partial_inplace */ | |
910 | 0xffffff, /* src_mask */ | |
911 | 0xffffff, /* dst_mask */ | |
912 | FALSE), /* pcrel_offset */ | |
8b125cde | 913 | |
47b0e7ad NC |
914 | /* Like R_M32R_PCREL, but referring to the procedure linkage table |
915 | entry for the symbol. */ | |
916 | HOWTO (R_M32R_26_PLTREL, /* type */ | |
917 | 2, /* rightshift */ | |
918 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
919 | 24, /* bitsize */ | |
920 | TRUE, /* pc_relative */ | |
921 | 0, /* bitpos */ | |
922 | complain_overflow_signed, /* complain_on_overflow */ | |
923 | bfd_elf_generic_reloc, /* special_function */ | |
924 | "R_M32R_26_PLTREL", /* name */ | |
925 | FALSE, /* partial_inplace */ | |
926 | 0xffffff, /* src_mask */ | |
927 | 0xffffff, /* dst_mask */ | |
928 | TRUE), /* pcrel_offset */ | |
8b125cde | 929 | |
47b0e7ad NC |
930 | /* This is used only by the dynamic linker. The symbol should exist |
931 | both in the object being run and in some shared library. The | |
932 | dynamic linker copies the data addressed by the symbol from the | |
933 | shared library into the object, because the object being | |
934 | run has to have the data at some particular address. */ | |
935 | HOWTO (R_M32R_COPY, /* type */ | |
936 | 0, /* rightshift */ | |
937 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
938 | 32, /* bitsize */ | |
939 | FALSE, /* pc_relative */ | |
940 | 0, /* bitpos */ | |
941 | complain_overflow_bitfield, /* complain_on_overflow */ | |
942 | bfd_elf_generic_reloc, /* special_function */ | |
943 | "R_M32R_COPY", /* name */ | |
944 | FALSE, /* partial_inplace */ | |
945 | 0xffffffff, /* src_mask */ | |
946 | 0xffffffff, /* dst_mask */ | |
947 | FALSE), /* pcrel_offset */ | |
8b125cde | 948 | |
47b0e7ad NC |
949 | /* Like R_M32R_24, but used when setting global offset table |
950 | entries. */ | |
951 | HOWTO (R_M32R_GLOB_DAT, /* type */ | |
952 | 0, /* rightshift */ | |
953 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
954 | 32, /* bitsize */ | |
955 | FALSE, /* pc_relative */ | |
956 | 0, /* bitpos */ | |
957 | complain_overflow_bitfield, /* complain_on_overflow */ | |
958 | bfd_elf_generic_reloc, /* special_function */ | |
959 | "R_M32R_GLOB_DAT", /* name */ | |
960 | FALSE, /* partial_inplace */ | |
961 | 0xffffffff, /* src_mask */ | |
962 | 0xffffffff, /* dst_mask */ | |
963 | FALSE), /* pcrel_offset */ | |
8b125cde | 964 | |
47b0e7ad NC |
965 | /* Marks a procedure linkage table entry for a symbol. */ |
966 | HOWTO (R_M32R_JMP_SLOT, /* type */ | |
967 | 0, /* rightshift */ | |
968 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
969 | 32, /* bitsize */ | |
970 | FALSE, /* pc_relative */ | |
971 | 0, /* bitpos */ | |
972 | complain_overflow_bitfield, /* complain_on_overflow */ | |
973 | bfd_elf_generic_reloc, /* special_function */ | |
974 | "R_M32R_JMP_SLOT", /* name */ | |
975 | FALSE, /* partial_inplace */ | |
976 | 0xffffffff, /* src_mask */ | |
977 | 0xffffffff, /* dst_mask */ | |
978 | FALSE), /* pcrel_offset */ | |
4c72e23a | 979 | |
47b0e7ad NC |
980 | /* Used only by the dynamic linker. When the object is run, this |
981 | longword is set to the load address of the object, plus the | |
982 | addend. */ | |
983 | HOWTO (R_M32R_RELATIVE, /* type */ | |
984 | 0, /* rightshift */ | |
985 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
986 | 32, /* bitsize */ | |
987 | FALSE, /* pc_relative */ | |
988 | 0, /* bitpos */ | |
989 | complain_overflow_bitfield, /* complain_on_overflow */ | |
990 | bfd_elf_generic_reloc, /* special_function */ | |
991 | "R_M32R_RELATIVE", /* name */ | |
992 | FALSE, /* partial_inplace */ | |
993 | 0xffffffff, /* src_mask */ | |
994 | 0xffffffff, /* dst_mask */ | |
995 | FALSE), /* pcrel_offset */ | |
4c72e23a | 996 | |
47b0e7ad NC |
997 | HOWTO (R_M32R_GOTOFF, /* type */ |
998 | 0, /* rightshift */ | |
999 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1000 | 24, /* bitsize */ | |
1001 | FALSE, /* pc_relative */ | |
1002 | 0, /* bitpos */ | |
1003 | complain_overflow_bitfield, /* complain_on_overflow */ | |
1004 | bfd_elf_generic_reloc, /* special_function */ | |
1005 | "R_M32R_GOTOFF", /* name */ | |
1006 | FALSE, /* partial_inplace */ | |
1007 | 0xffffff, /* src_mask */ | |
1008 | 0xffffff, /* dst_mask */ | |
1009 | FALSE), /* pcrel_offset */ | |
4c72e23a | 1010 | |
47b0e7ad NC |
1011 | /* An PC Relative 24-bit relocation used when setting PIC offset |
1012 | table register. */ | |
1013 | HOWTO (R_M32R_GOTPC24, /* type */ | |
1014 | 0, /* rightshift */ | |
1015 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1016 | 24, /* bitsize */ | |
1017 | TRUE, /* pc_relative */ | |
1018 | 0, /* bitpos */ | |
1019 | complain_overflow_unsigned, /* complain_on_overflow */ | |
1020 | bfd_elf_generic_reloc, /* special_function */ | |
1021 | "R_M32R_GOTPC24", /* name */ | |
1022 | FALSE, /* partial_inplace */ | |
1023 | 0xffffff, /* src_mask */ | |
1024 | 0xffffff, /* dst_mask */ | |
1025 | TRUE), /* pcrel_offset */ | |
4c72e23a | 1026 | |
47b0e7ad NC |
1027 | /* Like R_M32R_HI16_ULO, but referring to the GOT table entry for |
1028 | the symbol. */ | |
1029 | HOWTO (R_M32R_GOT16_HI_ULO, /* type */ | |
1030 | 16, /* rightshift */ | |
1031 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1032 | 16, /* bitsize */ | |
1033 | FALSE, /* pc_relative */ | |
1034 | 0, /* bitpos */ | |
1035 | complain_overflow_dont, /* complain_on_overflow */ | |
1036 | bfd_elf_generic_reloc, /* special_function */ | |
1037 | "R_M32R_GOT16_HI_ULO", /* name */ | |
1038 | FALSE, /* partial_inplace */ | |
1039 | 0x0000ffff, /* src_mask */ | |
1040 | 0x0000ffff, /* dst_mask */ | |
1041 | FALSE), /* pcrel_offset */ | |
4c72e23a | 1042 | |
47b0e7ad NC |
1043 | /* Like R_M32R_HI16_SLO, but referring to the GOT table entry for |
1044 | the symbol. */ | |
1045 | HOWTO (R_M32R_GOT16_HI_SLO, /* type */ | |
1046 | 16, /* rightshift */ | |
1047 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1048 | 16, /* bitsize */ | |
1049 | FALSE, /* pc_relative */ | |
1050 | 0, /* bitpos */ | |
1051 | complain_overflow_dont, /* complain_on_overflow */ | |
1052 | bfd_elf_generic_reloc, /* special_function */ | |
1053 | "R_M32R_GOT16_HI_SLO", /* name */ | |
1054 | FALSE, /* partial_inplace */ | |
1055 | 0x0000ffff, /* src_mask */ | |
1056 | 0x0000ffff, /* dst_mask */ | |
1057 | FALSE), /* pcrel_offset */ | |
8b125cde | 1058 | |
47b0e7ad NC |
1059 | /* Like R_M32R_LO16, but referring to the GOT table entry for |
1060 | the symbol. */ | |
1061 | HOWTO (R_M32R_GOT16_LO, /* type */ | |
1062 | 0, /* rightshift */ | |
1063 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1064 | 16, /* bitsize */ | |
1065 | FALSE, /* pc_relative */ | |
1066 | 0, /* bitpos */ | |
1067 | complain_overflow_dont, /* complain_on_overflow */ | |
1068 | bfd_elf_generic_reloc, /* special_function */ | |
1069 | "R_M32R_GOT16_LO", /* name */ | |
1070 | FALSE, /* partial_inplace */ | |
1071 | 0x0000ffff, /* src_mask */ | |
1072 | 0x0000ffff, /* dst_mask */ | |
1073 | FALSE), /* pcrel_offset */ | |
4c72e23a | 1074 | |
47b0e7ad NC |
1075 | /* An PC Relative relocation used when setting PIC offset table register. |
1076 | Like R_M32R_HI16_ULO, but referring to the GOT table entry for | |
1077 | the symbol. */ | |
1078 | HOWTO (R_M32R_GOTPC_HI_ULO, /* type */ | |
1079 | 16, /* rightshift */ | |
1080 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1081 | 16, /* bitsize */ | |
1082 | FALSE, /* pc_relative */ | |
1083 | 0, /* bitpos */ | |
1084 | complain_overflow_dont, /* complain_on_overflow */ | |
1085 | bfd_elf_generic_reloc, /* special_function */ | |
1086 | "R_M32R_GOTPC_HI_ULO", /* name */ | |
1087 | FALSE, /* partial_inplace */ | |
1088 | 0x0000ffff, /* src_mask */ | |
1089 | 0x0000ffff, /* dst_mask */ | |
1090 | TRUE), /* pcrel_offset */ | |
4c72e23a | 1091 | |
47b0e7ad NC |
1092 | /* An PC Relative relocation used when setting PIC offset table register. |
1093 | Like R_M32R_HI16_SLO, but referring to the GOT table entry for | |
1094 | the symbol. */ | |
1095 | HOWTO (R_M32R_GOTPC_HI_SLO, /* type */ | |
1096 | 16, /* rightshift */ | |
1097 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1098 | 16, /* bitsize */ | |
1099 | FALSE, /* pc_relative */ | |
1100 | 0, /* bitpos */ | |
1101 | complain_overflow_dont, /* complain_on_overflow */ | |
1102 | bfd_elf_generic_reloc, /* special_function */ | |
1103 | "R_M32R_GOTPC_HI_SLO", /* name */ | |
1104 | FALSE, /* partial_inplace */ | |
1105 | 0x0000ffff, /* src_mask */ | |
1106 | 0x0000ffff, /* dst_mask */ | |
1107 | TRUE), /* pcrel_offset */ | |
4c72e23a | 1108 | |
47b0e7ad NC |
1109 | /* An PC Relative relocation used when setting PIC offset table register. |
1110 | Like R_M32R_LO16, but referring to the GOT table entry for | |
1111 | the symbol. */ | |
1112 | HOWTO (R_M32R_GOTPC_LO, /* type */ | |
1113 | 0, /* rightshift */ | |
1114 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1115 | 16, /* bitsize */ | |
1116 | FALSE, /* pc_relative */ | |
1117 | 0, /* bitpos */ | |
1118 | complain_overflow_dont, /* complain_on_overflow */ | |
1119 | bfd_elf_generic_reloc, /* special_function */ | |
1120 | "R_M32R_GOTPC_LO", /* name */ | |
1121 | FALSE, /* partial_inplace */ | |
1122 | 0x0000ffff, /* src_mask */ | |
1123 | 0x0000ffff, /* dst_mask */ | |
1124 | TRUE), /* pcrel_offset */ | |
252b5132 | 1125 | |
47b0e7ad NC |
1126 | HOWTO (R_M32R_GOTOFF_HI_ULO, /* type */ |
1127 | 16, /* rightshift */ | |
1128 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1129 | 16, /* bitsize */ | |
1130 | FALSE, /* pc_relative */ | |
1131 | 0, /* bitpos */ | |
1132 | complain_overflow_dont, /* complain_on_overflow */ | |
1133 | bfd_elf_generic_reloc, /* special_function */ | |
1134 | "R_M32R_GOTOFF_HI_ULO",/* name */ | |
1135 | FALSE, /* partial_inplace */ | |
1136 | 0x0000ffff, /* src_mask */ | |
1137 | 0x0000ffff, /* dst_mask */ | |
1138 | FALSE), /* pcrel_offset */ | |
252b5132 | 1139 | |
47b0e7ad NC |
1140 | HOWTO (R_M32R_GOTOFF_HI_SLO, /* type */ |
1141 | 16, /* rightshift */ | |
1142 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1143 | 16, /* bitsize */ | |
1144 | FALSE, /* pc_relative */ | |
1145 | 0, /* bitpos */ | |
1146 | complain_overflow_dont, /* complain_on_overflow */ | |
1147 | bfd_elf_generic_reloc, /* special_function */ | |
1148 | "R_M32R_GOTOFF_HI_SLO",/* name */ | |
1149 | FALSE, /* partial_inplace */ | |
1150 | 0x0000ffff, /* src_mask */ | |
1151 | 0x0000ffff, /* dst_mask */ | |
1152 | FALSE), /* pcrel_offset */ | |
252b5132 | 1153 | |
47b0e7ad NC |
1154 | HOWTO (R_M32R_GOTOFF_LO, /* type */ |
1155 | 0, /* rightshift */ | |
1156 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1157 | 16, /* bitsize */ | |
1158 | FALSE, /* pc_relative */ | |
1159 | 0, /* bitpos */ | |
1160 | complain_overflow_dont, /* complain_on_overflow */ | |
1161 | bfd_elf_generic_reloc, /* special_function */ | |
1162 | "R_M32R_GOTOFF_LO", /* name */ | |
1163 | FALSE, /* partial_inplace */ | |
1164 | 0x0000ffff, /* src_mask */ | |
1165 | 0x0000ffff, /* dst_mask */ | |
1166 | FALSE), /* pcrel_offset */ | |
1167 | }; | |
252b5132 | 1168 | |
252b5132 RH |
1169 | /* Map BFD reloc types to M32R ELF reloc types. */ |
1170 | ||
1171 | struct m32r_reloc_map | |
1172 | { | |
1173 | bfd_reloc_code_real_type bfd_reloc_val; | |
1174 | unsigned char elf_reloc_val; | |
1175 | }; | |
1176 | ||
d5b2f13b | 1177 | #ifdef USE_M32R_OLD_RELOC |
6edf0760 | 1178 | static const struct m32r_reloc_map m32r_reloc_map_old[] = |
252b5132 RH |
1179 | { |
1180 | { BFD_RELOC_NONE, R_M32R_NONE }, | |
1181 | { BFD_RELOC_16, R_M32R_16 }, | |
1182 | { BFD_RELOC_32, R_M32R_32 }, | |
1183 | { BFD_RELOC_M32R_24, R_M32R_24 }, | |
1184 | { BFD_RELOC_M32R_10_PCREL, R_M32R_10_PCREL }, | |
1185 | { BFD_RELOC_M32R_18_PCREL, R_M32R_18_PCREL }, | |
1186 | { BFD_RELOC_M32R_26_PCREL, R_M32R_26_PCREL }, | |
1187 | { BFD_RELOC_M32R_HI16_ULO, R_M32R_HI16_ULO }, | |
1188 | { BFD_RELOC_M32R_HI16_SLO, R_M32R_HI16_SLO }, | |
1189 | { BFD_RELOC_M32R_LO16, R_M32R_LO16 }, | |
1190 | { BFD_RELOC_M32R_SDA16, R_M32R_SDA16 }, | |
1191 | { BFD_RELOC_VTABLE_INHERIT, R_M32R_GNU_VTINHERIT }, | |
1192 | { BFD_RELOC_VTABLE_ENTRY, R_M32R_GNU_VTENTRY }, | |
1193 | }; | |
d5b2f13b | 1194 | #else |
6edf0760 NC |
1195 | static const struct m32r_reloc_map m32r_reloc_map[] = |
1196 | { | |
1197 | { BFD_RELOC_NONE, R_M32R_NONE }, | |
1198 | { BFD_RELOC_16, R_M32R_16_RELA }, | |
1199 | { BFD_RELOC_32, R_M32R_32_RELA }, | |
1200 | { BFD_RELOC_M32R_24, R_M32R_24_RELA }, | |
1201 | { BFD_RELOC_M32R_10_PCREL, R_M32R_10_PCREL_RELA }, | |
1202 | { BFD_RELOC_M32R_18_PCREL, R_M32R_18_PCREL_RELA }, | |
1203 | { BFD_RELOC_M32R_26_PCREL, R_M32R_26_PCREL_RELA }, | |
1204 | { BFD_RELOC_M32R_HI16_ULO, R_M32R_HI16_ULO_RELA }, | |
1205 | { BFD_RELOC_M32R_HI16_SLO, R_M32R_HI16_SLO_RELA }, | |
1206 | { BFD_RELOC_M32R_LO16, R_M32R_LO16_RELA }, | |
1207 | { BFD_RELOC_M32R_SDA16, R_M32R_SDA16_RELA }, | |
1208 | { BFD_RELOC_VTABLE_INHERIT, R_M32R_RELA_GNU_VTINHERIT }, | |
1209 | { BFD_RELOC_VTABLE_ENTRY, R_M32R_RELA_GNU_VTENTRY }, | |
157e7bd1 | 1210 | { BFD_RELOC_32_PCREL, R_M32R_REL32 }, |
41978308 | 1211 | |
6edf0760 NC |
1212 | { BFD_RELOC_M32R_GOT24, R_M32R_GOT24 }, |
1213 | { BFD_RELOC_M32R_26_PLTREL, R_M32R_26_PLTREL }, | |
1214 | { BFD_RELOC_M32R_COPY, R_M32R_COPY }, | |
1215 | { BFD_RELOC_M32R_GLOB_DAT, R_M32R_GLOB_DAT }, | |
1216 | { BFD_RELOC_M32R_JMP_SLOT, R_M32R_JMP_SLOT }, | |
1217 | { BFD_RELOC_M32R_RELATIVE, R_M32R_RELATIVE }, | |
1218 | { BFD_RELOC_M32R_GOTOFF, R_M32R_GOTOFF }, | |
1219 | { BFD_RELOC_M32R_GOTPC24, R_M32R_GOTPC24 }, | |
1220 | { BFD_RELOC_M32R_GOT16_HI_ULO, R_M32R_GOT16_HI_ULO }, | |
1221 | { BFD_RELOC_M32R_GOT16_HI_SLO, R_M32R_GOT16_HI_SLO }, | |
1222 | { BFD_RELOC_M32R_GOT16_LO, R_M32R_GOT16_LO }, | |
1223 | { BFD_RELOC_M32R_GOTPC_HI_ULO, R_M32R_GOTPC_HI_ULO }, | |
1224 | { BFD_RELOC_M32R_GOTPC_HI_SLO, R_M32R_GOTPC_HI_SLO }, | |
1225 | { BFD_RELOC_M32R_GOTPC_LO, R_M32R_GOTPC_LO }, | |
097f809a NC |
1226 | { BFD_RELOC_M32R_GOTOFF_HI_ULO, R_M32R_GOTOFF_HI_ULO }, |
1227 | { BFD_RELOC_M32R_GOTOFF_HI_SLO, R_M32R_GOTOFF_HI_SLO }, | |
1228 | { BFD_RELOC_M32R_GOTOFF_LO, R_M32R_GOTOFF_LO }, | |
6edf0760 | 1229 | }; |
d5b2f13b | 1230 | #endif |
6edf0760 | 1231 | |
252b5132 | 1232 | static reloc_howto_type * |
47b0e7ad NC |
1233 | bfd_elf32_bfd_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED, |
1234 | bfd_reloc_code_real_type code) | |
252b5132 RH |
1235 | { |
1236 | unsigned int i; | |
1237 | ||
6edf0760 NC |
1238 | #ifdef USE_M32R_OLD_RELOC |
1239 | for (i = 0; | |
1240 | i < sizeof (m32r_reloc_map_old) / sizeof (struct m32r_reloc_map); | |
1241 | i++) | |
47b0e7ad NC |
1242 | if (m32r_reloc_map_old[i].bfd_reloc_val == code) |
1243 | return &m32r_elf_howto_table[m32r_reloc_map_old[i].elf_reloc_val]; | |
1244 | ||
6edf0760 NC |
1245 | #else /* ! USE_M32R_OLD_RELOC */ |
1246 | ||
252b5132 RH |
1247 | for (i = 0; |
1248 | i < sizeof (m32r_reloc_map) / sizeof (struct m32r_reloc_map); | |
1249 | i++) | |
47b0e7ad NC |
1250 | if (m32r_reloc_map[i].bfd_reloc_val == code) |
1251 | return &m32r_elf_howto_table[m32r_reloc_map[i].elf_reloc_val]; | |
6edf0760 | 1252 | #endif |
252b5132 RH |
1253 | |
1254 | return NULL; | |
1255 | } | |
1256 | ||
157090f7 AM |
1257 | static reloc_howto_type * |
1258 | bfd_elf32_bfd_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, | |
1259 | const char *r_name) | |
1260 | { | |
1261 | unsigned int i; | |
1262 | ||
1263 | for (i = 0; | |
1264 | i < sizeof (m32r_elf_howto_table) / sizeof (m32r_elf_howto_table[0]); | |
1265 | i++) | |
1266 | if (m32r_elf_howto_table[i].name != NULL | |
1267 | && strcasecmp (m32r_elf_howto_table[i].name, r_name) == 0) | |
1268 | return &m32r_elf_howto_table[i]; | |
1269 | ||
1270 | return NULL; | |
1271 | } | |
1272 | ||
252b5132 RH |
1273 | /* Set the howto pointer for an M32R ELF reloc. */ |
1274 | ||
f3185997 | 1275 | static bfd_boolean |
47b0e7ad NC |
1276 | m32r_info_to_howto_rel (bfd *abfd ATTRIBUTE_UNUSED, |
1277 | arelent *cache_ptr, | |
1278 | Elf_Internal_Rela *dst) | |
252b5132 RH |
1279 | { |
1280 | unsigned int r_type; | |
1281 | ||
1282 | r_type = ELF32_R_TYPE (dst->r_info); | |
5860e3f8 NC |
1283 | if (r_type > (unsigned int) R_M32R_GNU_VTENTRY) |
1284 | { | |
695344c0 | 1285 | /* xgettext:c-format */ |
0aa13fee AM |
1286 | _bfd_error_handler (_("%pB: unsupported relocation type %#x"), |
1287 | abfd, r_type); | |
f3185997 NC |
1288 | bfd_set_error (bfd_error_bad_value); |
1289 | return FALSE; | |
5860e3f8 | 1290 | } |
252b5132 | 1291 | cache_ptr->howto = &m32r_elf_howto_table[r_type]; |
f3185997 | 1292 | return TRUE; |
252b5132 | 1293 | } |
6edf0760 | 1294 | |
f3185997 | 1295 | static bfd_boolean |
47b0e7ad NC |
1296 | m32r_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED, |
1297 | arelent *cache_ptr, | |
1298 | Elf_Internal_Rela *dst) | |
6edf0760 | 1299 | { |
f3185997 NC |
1300 | unsigned int r_type = ELF32_R_TYPE (dst->r_info); |
1301 | ||
1302 | if (r_type == (unsigned int) R_M32R_NONE | |
1303 | || ((r_type > (unsigned int) R_M32R_GNU_VTENTRY) | |
1304 | && (r_type < (unsigned int) R_M32R_max))) | |
1305 | { | |
1306 | cache_ptr->howto = &m32r_elf_howto_table[r_type]; | |
1307 | return TRUE; | |
1308 | } | |
1309 | ||
1310 | /* xgettext:c-format */ | |
1311 | _bfd_error_handler (_("%pB: unsupported relocation type %#x"), abfd, r_type); | |
1312 | bfd_set_error (bfd_error_bad_value); | |
4b24dd1a | 1313 | return FALSE; |
6edf0760 NC |
1314 | } |
1315 | ||
252b5132 RH |
1316 | \f |
1317 | /* Given a BFD section, try to locate the corresponding ELF section | |
1318 | index. */ | |
1319 | ||
47b0e7ad NC |
1320 | static bfd_boolean |
1321 | _bfd_m32r_elf_section_from_bfd_section (bfd *abfd ATTRIBUTE_UNUSED, | |
1322 | asection *sec, | |
1323 | int *retval) | |
252b5132 | 1324 | { |
fd361982 | 1325 | if (strcmp (bfd_section_name (sec), ".scommon") == 0) |
252b5132 RH |
1326 | { |
1327 | *retval = SHN_M32R_SCOMMON; | |
b34976b6 | 1328 | return TRUE; |
252b5132 | 1329 | } |
b34976b6 | 1330 | return FALSE; |
252b5132 RH |
1331 | } |
1332 | ||
1333 | /* M32R ELF uses two common sections. One is the usual one, and the other | |
1334 | is for small objects. All the small objects are kept together, and then | |
1335 | referenced via one register, which yields faster assembler code. It is | |
1336 | up to the compiler to emit an instruction to load the register with | |
1337 | _SDA_BASE. This is what we use for the small common section. This | |
1338 | approach is copied from elf32-mips.c. */ | |
1339 | static asection m32r_elf_scom_section; | |
1340 | static asymbol m32r_elf_scom_symbol; | |
1341 | static asymbol *m32r_elf_scom_symbol_ptr; | |
1342 | ||
1343 | /* Handle the special M32R section numbers that a symbol may use. */ | |
1344 | ||
47b0e7ad NC |
1345 | static void |
1346 | _bfd_m32r_elf_symbol_processing (bfd *abfd ATTRIBUTE_UNUSED, asymbol *asym) | |
252b5132 | 1347 | { |
47b0e7ad | 1348 | elf_symbol_type *elfsym = (elf_symbol_type *) asym; |
252b5132 RH |
1349 | |
1350 | switch (elfsym->internal_elf_sym.st_shndx) | |
1351 | { | |
1352 | case SHN_M32R_SCOMMON: | |
1353 | if (m32r_elf_scom_section.name == NULL) | |
1354 | { | |
1355 | /* Initialize the small common section. */ | |
1356 | m32r_elf_scom_section.name = ".scommon"; | |
1357 | m32r_elf_scom_section.flags = SEC_IS_COMMON; | |
1358 | m32r_elf_scom_section.output_section = &m32r_elf_scom_section; | |
1359 | m32r_elf_scom_section.symbol = &m32r_elf_scom_symbol; | |
1360 | m32r_elf_scom_section.symbol_ptr_ptr = &m32r_elf_scom_symbol_ptr; | |
1361 | m32r_elf_scom_symbol.name = ".scommon"; | |
1362 | m32r_elf_scom_symbol.flags = BSF_SECTION_SYM; | |
1363 | m32r_elf_scom_symbol.section = &m32r_elf_scom_section; | |
1364 | m32r_elf_scom_symbol_ptr = &m32r_elf_scom_symbol; | |
1365 | } | |
1366 | asym->section = &m32r_elf_scom_section; | |
1367 | asym->value = elfsym->internal_elf_sym.st_size; | |
1368 | break; | |
1369 | } | |
1370 | } | |
1371 | ||
1372 | /* Hook called by the linker routine which adds symbols from an object | |
1373 | file. We must handle the special M32R section numbers here. | |
1374 | We also keep watching for whether we need to create the sdata special | |
1375 | linker sections. */ | |
1376 | ||
b34976b6 | 1377 | static bfd_boolean |
47b0e7ad NC |
1378 | m32r_elf_add_symbol_hook (bfd *abfd, |
1379 | struct bfd_link_info *info, | |
1380 | Elf_Internal_Sym *sym, | |
1381 | const char **namep, | |
1382 | flagword *flagsp ATTRIBUTE_UNUSED, | |
1383 | asection **secp, | |
1384 | bfd_vma *valp) | |
252b5132 | 1385 | { |
0e1862bb | 1386 | if (! bfd_link_relocatable (info) |
252b5132 | 1387 | && (*namep)[0] == '_' && (*namep)[1] == 'S' |
4ab82700 | 1388 | && strcmp (*namep, "_SDA_BASE_") == 0 |
0eddce27 | 1389 | && is_elf_hash_table (info->hash)) |
252b5132 RH |
1390 | { |
1391 | /* This is simpler than using _bfd_elf_create_linker_section | |
1392 | (our needs are simpler than ppc's needs). Also | |
1393 | _bfd_elf_create_linker_section currently has a bug where if a .sdata | |
1394 | section already exists a new one is created that follows it which | |
1395 | screws of _SDA_BASE_ address calcs because output_offset != 0. */ | |
1396 | struct elf_link_hash_entry *h; | |
14a793b2 | 1397 | struct bfd_link_hash_entry *bh; |
252b5132 RH |
1398 | asection *s = bfd_get_section_by_name (abfd, ".sdata"); |
1399 | ||
6edf0760 | 1400 | /* The following code was cobbled from elf32-ppc.c and elflink.c. */ |
6edf0760 NC |
1401 | if (s == NULL) |
1402 | { | |
1403 | flagword flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | |
1404 | | SEC_IN_MEMORY | SEC_LINKER_CREATED); | |
1405 | ||
3496cb2a L |
1406 | s = bfd_make_section_anyway_with_flags (abfd, ".sdata", |
1407 | flags); | |
6edf0760 NC |
1408 | if (s == NULL) |
1409 | return FALSE; | |
fd361982 | 1410 | if (!bfd_set_section_alignment (s, 2)) |
a253d456 | 1411 | return FALSE; |
6edf0760 NC |
1412 | } |
1413 | ||
1414 | bh = bfd_link_hash_lookup (info->hash, "_SDA_BASE_", | |
1415 | FALSE, FALSE, FALSE); | |
1416 | ||
1417 | if ((bh == NULL || bh->type == bfd_link_hash_undefined) | |
1418 | && !(_bfd_generic_link_add_one_symbol (info, | |
1419 | abfd, | |
1420 | "_SDA_BASE_", | |
1421 | BSF_GLOBAL, | |
1422 | s, | |
1423 | (bfd_vma) 32768, | |
47b0e7ad | 1424 | NULL, |
6edf0760 NC |
1425 | FALSE, |
1426 | get_elf_backend_data (abfd)->collect, | |
1427 | &bh))) | |
1428 | return FALSE; | |
1429 | h = (struct elf_link_hash_entry *) bh; | |
1430 | h->type = STT_OBJECT; | |
1431 | } | |
1432 | ||
1433 | switch (sym->st_shndx) | |
1434 | { | |
1435 | case SHN_M32R_SCOMMON: | |
1436 | *secp = bfd_make_section_old_way (abfd, ".scommon"); | |
1437 | (*secp)->flags |= SEC_IS_COMMON; | |
1438 | *valp = sym->st_size; | |
1439 | break; | |
1440 | } | |
1441 | ||
1442 | return TRUE; | |
1443 | } | |
1444 | ||
1445 | /* We have to figure out the SDA_BASE value, so that we can adjust the | |
1446 | symbol value correctly. We look up the symbol _SDA_BASE_ in the output | |
1447 | BFD. If we can't find it, we're stuck. We cache it in the ELF | |
1448 | target data. We don't need to adjust the symbol value for an | |
1449 | external symbol if we are producing relocatable output. */ | |
1450 | ||
1451 | static bfd_reloc_status_type | |
47b0e7ad NC |
1452 | m32r_elf_final_sda_base (bfd *output_bfd, |
1453 | struct bfd_link_info *info, | |
1454 | const char **error_message, | |
1455 | bfd_vma *psb) | |
6edf0760 NC |
1456 | { |
1457 | if (elf_gp (output_bfd) == 0) | |
1458 | { | |
1459 | struct bfd_link_hash_entry *h; | |
1460 | ||
1461 | h = bfd_link_hash_lookup (info->hash, "_SDA_BASE_", FALSE, FALSE, TRUE); | |
47b0e7ad | 1462 | if (h != NULL && h->type == bfd_link_hash_defined) |
6edf0760 NC |
1463 | elf_gp (output_bfd) = (h->u.def.value |
1464 | + h->u.def.section->output_section->vma | |
1465 | + h->u.def.section->output_offset); | |
1466 | else | |
1467 | { | |
1468 | /* Only get the error once. */ | |
1469 | *psb = elf_gp (output_bfd) = 4; | |
1470 | *error_message = | |
1471 | (const char *) _("SDA relocation when _SDA_BASE_ not defined"); | |
1472 | return bfd_reloc_dangerous; | |
1473 | } | |
1474 | } | |
1475 | *psb = elf_gp (output_bfd); | |
1476 | return bfd_reloc_ok; | |
1477 | } | |
1478 | \f | |
1479 | /* Return size of a PLT entry. */ | |
1480 | #define elf_m32r_sizeof_plt(info) PLT_ENTRY_SIZE | |
1481 | ||
1482 | /* The m32r linker needs to keep track of the number of relocs that it | |
1483 | decides to copy in check_relocs for each symbol. This is so that | |
1484 | it can discard PC relative relocs if it doesn't need them when | |
1485 | linking with -Bsymbolic. We store the information in a field | |
1486 | extending the regular ELF linker hash table. */ | |
1487 | ||
1488 | /* This structure keeps track of the number of PC relative relocs we | |
1489 | have copied for a given symbol. */ | |
1490 | ||
1491 | struct elf_m32r_pcrel_relocs_copied | |
1492 | { | |
1493 | /* Next section. */ | |
1494 | struct elf_m32r_pcrel_relocs_copied *next; | |
1495 | /* A section in dynobj. */ | |
1496 | asection *section; | |
1497 | /* Number of relocs copied in this section. */ | |
1498 | bfd_size_type count; | |
1499 | }; | |
1500 | ||
6edf0760 NC |
1501 | /* Traverse an m32r ELF linker hash table. */ |
1502 | ||
1503 | #define m32r_elf_link_hash_traverse(table, func, info) \ | |
1504 | (elf_link_hash_traverse \ | |
1505 | (&(table)->root, \ | |
47b0e7ad | 1506 | (bfd_boolean (*) (struct elf_link_hash_entry *, void *)) (func), \ |
6edf0760 NC |
1507 | (info))) |
1508 | ||
1509 | /* Get the m32r ELF linker hash table from a link_info structure. */ | |
1510 | ||
6edf0760 | 1511 | #define m32r_elf_hash_table(p) \ |
4dfe6ac6 | 1512 | (elf_hash_table_id ((struct elf_link_hash_table *) ((p)->hash)) \ |
f1dfbfdb | 1513 | == M32R_ELF_DATA ? ((struct elf_link_hash_table *) ((p)->hash)) : NULL) |
6edf0760 | 1514 | |
6edf0760 | 1515 | /* Create an m32r ELF linker hash table. */ |
6edf0760 NC |
1516 | |
1517 | static struct bfd_link_hash_table * | |
47b0e7ad | 1518 | m32r_elf_link_hash_table_create (bfd *abfd) |
6edf0760 | 1519 | { |
f1dfbfdb L |
1520 | struct elf_link_hash_table *ret; |
1521 | size_t amt = sizeof (struct elf_link_hash_table); | |
41978308 | 1522 | |
7bf52ea2 | 1523 | ret = bfd_zmalloc (amt); |
47b0e7ad | 1524 | if (ret == NULL) |
6edf0760 | 1525 | return NULL; |
41978308 | 1526 | |
f1dfbfdb | 1527 | if (!_bfd_elf_link_hash_table_init (ret, abfd, |
190eb1dd L |
1528 | _bfd_elf_link_hash_newfunc, |
1529 | sizeof (struct elf_link_hash_entry), | |
4dfe6ac6 | 1530 | M32R_ELF_DATA)) |
6edf0760 NC |
1531 | { |
1532 | free (ret); | |
1533 | return NULL; | |
1534 | } | |
41978308 | 1535 | |
f1dfbfdb | 1536 | return &ret->root; |
6edf0760 NC |
1537 | } |
1538 | ||
6edf0760 NC |
1539 | /* Create dynamic sections when linking against a dynamic object. */ |
1540 | ||
1541 | static bfd_boolean | |
47b0e7ad | 1542 | m32r_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info) |
6edf0760 | 1543 | { |
f1dfbfdb | 1544 | struct elf_link_hash_table *htab; |
6edf0760 | 1545 | flagword flags, pltflags; |
47b0e7ad | 1546 | asection *s; |
6edf0760 NC |
1547 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
1548 | int ptralign = 2; /* 32bit */ | |
1549 | ||
1550 | htab = m32r_elf_hash_table (info); | |
4dfe6ac6 NC |
1551 | if (htab == NULL) |
1552 | return FALSE; | |
6edf0760 NC |
1553 | |
1554 | /* We need to create .plt, .rel[a].plt, .got, .got.plt, .dynbss, and | |
1555 | .rel[a].bss sections. */ | |
6edf0760 | 1556 | flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY |
07d6d2b8 | 1557 | | SEC_LINKER_CREATED); |
6edf0760 NC |
1558 | |
1559 | pltflags = flags; | |
1560 | pltflags |= SEC_CODE; | |
1561 | if (bed->plt_not_loaded) | |
1562 | pltflags &= ~ (SEC_LOAD | SEC_HAS_CONTENTS); | |
1563 | if (bed->plt_readonly) | |
1564 | pltflags |= SEC_READONLY; | |
1565 | ||
3d4d4302 | 1566 | s = bfd_make_section_anyway_with_flags (abfd, ".plt", pltflags); |
f1dfbfdb | 1567 | htab->splt = s; |
6edf0760 | 1568 | if (s == NULL |
fd361982 | 1569 | || !bfd_set_section_alignment (s, bed->plt_alignment)) |
6edf0760 NC |
1570 | return FALSE; |
1571 | ||
1572 | if (bed->want_plt_sym) | |
1573 | { | |
1574 | /* Define the symbol _PROCEDURE_LINKAGE_TABLE_ at the start of the | |
07d6d2b8 | 1575 | .plt section. */ |
41978308 AM |
1576 | struct bfd_link_hash_entry *bh = NULL; |
1577 | struct elf_link_hash_entry *h; | |
47b0e7ad | 1578 | |
6edf0760 | 1579 | if (! (_bfd_generic_link_add_one_symbol |
07d6d2b8 AM |
1580 | (info, abfd, "_PROCEDURE_LINKAGE_TABLE_", BSF_GLOBAL, s, |
1581 | (bfd_vma) 0, NULL, FALSE, | |
1582 | get_elf_backend_data (abfd)->collect, &bh))) | |
1583 | return FALSE; | |
41978308 | 1584 | h = (struct elf_link_hash_entry *) bh; |
f5385ebf | 1585 | h->def_regular = 1; |
6edf0760 | 1586 | h->type = STT_OBJECT; |
f1dfbfdb | 1587 | htab->hplt = h; |
6edf0760 | 1588 | |
0e1862bb | 1589 | if (bfd_link_pic (info) |
07d6d2b8 AM |
1590 | && ! bfd_elf_link_record_dynamic_symbol (info, h)) |
1591 | return FALSE; | |
6edf0760 NC |
1592 | } |
1593 | ||
3d4d4302 AM |
1594 | s = bfd_make_section_anyway_with_flags (abfd, |
1595 | bed->default_use_rela_p | |
1596 | ? ".rela.plt" : ".rel.plt", | |
1597 | flags | SEC_READONLY); | |
f1dfbfdb | 1598 | htab->srelplt = s; |
6edf0760 | 1599 | if (s == NULL |
fd361982 | 1600 | || !bfd_set_section_alignment (s, ptralign)) |
6edf0760 NC |
1601 | return FALSE; |
1602 | ||
f1dfbfdb | 1603 | if (htab->sgot == NULL |
ce558b89 | 1604 | && !_bfd_elf_create_got_section (abfd, info)) |
6edf0760 NC |
1605 | return FALSE; |
1606 | ||
6edf0760 NC |
1607 | if (bed->want_dynbss) |
1608 | { | |
1609 | /* The .dynbss section is a place to put symbols which are defined | |
07d6d2b8 AM |
1610 | by dynamic objects, are referenced by regular objects, and are |
1611 | not functions. We must allocate space for them in the process | |
1612 | image and use a R_*_COPY reloc to tell the dynamic linker to | |
1613 | initialize them at run time. The linker script puts the .dynbss | |
1614 | section into the .bss section of the final image. */ | |
3d4d4302 AM |
1615 | s = bfd_make_section_anyway_with_flags (abfd, ".dynbss", |
1616 | SEC_ALLOC | SEC_LINKER_CREATED); | |
6edf0760 | 1617 | htab->sdynbss = s; |
3496cb2a | 1618 | if (s == NULL) |
07d6d2b8 | 1619 | return FALSE; |
6edf0760 | 1620 | /* The .rel[a].bss section holds copy relocs. This section is not |
07d6d2b8 AM |
1621 | normally needed. We need to create it here, though, so that the |
1622 | linker will map it to an output section. We can't just create it | |
1623 | only if we need it, because we will not know whether we need it | |
1624 | until we have seen all the input files, and the first time the | |
1625 | main linker code calls BFD after examining all the input files | |
1626 | (size_dynamic_sections) the input sections have already been | |
1627 | mapped to the output sections. If the section turns out not to | |
1628 | be needed, we can discard it later. We will never need this | |
1629 | section when generating a shared object, since they do not use | |
1630 | copy relocs. */ | |
0e1862bb | 1631 | if (! bfd_link_pic (info)) |
07d6d2b8 AM |
1632 | { |
1633 | s = bfd_make_section_anyway_with_flags (abfd, | |
3d4d4302 AM |
1634 | (bed->default_use_rela_p |
1635 | ? ".rela.bss" : ".rel.bss"), | |
1636 | flags | SEC_READONLY); | |
07d6d2b8 AM |
1637 | htab->srelbss = s; |
1638 | if (s == NULL | |
fd361982 | 1639 | || !bfd_set_section_alignment (s, ptralign)) |
07d6d2b8 AM |
1640 | return FALSE; |
1641 | } | |
6edf0760 NC |
1642 | } |
1643 | ||
1644 | return TRUE; | |
1645 | } | |
1646 | ||
6edf0760 NC |
1647 | \f |
1648 | /* Adjust a symbol defined by a dynamic object and referenced by a | |
1649 | regular object. The current definition is in some section of the | |
1650 | dynamic object, but we're not including those sections. We have to | |
1651 | change the definition to something the rest of the link can | |
1652 | understand. */ | |
41978308 | 1653 | |
6edf0760 | 1654 | static bfd_boolean |
47b0e7ad NC |
1655 | m32r_elf_adjust_dynamic_symbol (struct bfd_link_info *info, |
1656 | struct elf_link_hash_entry *h) | |
6edf0760 | 1657 | { |
f1dfbfdb | 1658 | struct elf_link_hash_table *htab; |
6edf0760 NC |
1659 | bfd *dynobj; |
1660 | asection *s; | |
6edf0760 NC |
1661 | |
1662 | #ifdef DEBUG_PIC | |
47b0e7ad | 1663 | printf ("m32r_elf_adjust_dynamic_symbol()\n"); |
6edf0760 | 1664 | #endif |
41978308 | 1665 | |
6edf0760 | 1666 | dynobj = elf_hash_table (info)->dynobj; |
41978308 | 1667 | |
6edf0760 NC |
1668 | /* Make sure we know what is going on here. */ |
1669 | BFD_ASSERT (dynobj != NULL | |
07d6d2b8 AM |
1670 | && (h->needs_plt |
1671 | || h->is_weakalias | |
1672 | || (h->def_dynamic | |
1673 | && h->ref_regular | |
1674 | && !h->def_regular))); | |
6edf0760 | 1675 | |
6edf0760 NC |
1676 | /* If this is a function, put it in the procedure linkage table. We |
1677 | will fill in the contents of the procedure linkage table later, | |
1678 | when we know the address of the .got section. */ | |
1679 | if (h->type == STT_FUNC | |
f5385ebf | 1680 | || h->needs_plt) |
6edf0760 | 1681 | { |
0e1862bb | 1682 | if (! bfd_link_pic (info) |
07d6d2b8 AM |
1683 | && !h->def_dynamic |
1684 | && !h->ref_dynamic | |
6edf0760 NC |
1685 | && h->root.type != bfd_link_hash_undefweak |
1686 | && h->root.type != bfd_link_hash_undefined) | |
07d6d2b8 AM |
1687 | { |
1688 | /* This case can occur if we saw a PLT reloc in an input | |
1689 | file, but the symbol was never referred to by a dynamic | |
1690 | object. In such a case, we don't actually need to build | |
1691 | a procedure linkage table, and we can just do a PCREL | |
1692 | reloc instead. */ | |
1693 | h->plt.offset = (bfd_vma) -1; | |
1694 | h->needs_plt = 0; | |
1695 | } | |
6edf0760 NC |
1696 | |
1697 | return TRUE; | |
1698 | } | |
1699 | else | |
1700 | h->plt.offset = (bfd_vma) -1; | |
41978308 | 1701 | |
6edf0760 NC |
1702 | /* If this is a weak symbol, and there is a real definition, the |
1703 | processor independent code will have arranged for us to see the | |
1704 | real definition first, and we can just use the same value. */ | |
60d67dc8 | 1705 | if (h->is_weakalias) |
6edf0760 | 1706 | { |
60d67dc8 AM |
1707 | struct elf_link_hash_entry *def = weakdef (h); |
1708 | BFD_ASSERT (def->root.type == bfd_link_hash_defined); | |
1709 | h->root.u.def.section = def->root.u.def.section; | |
1710 | h->root.u.def.value = def->root.u.def.value; | |
6edf0760 NC |
1711 | return TRUE; |
1712 | } | |
41978308 | 1713 | |
6edf0760 NC |
1714 | /* This is a reference to a symbol defined by a dynamic object which |
1715 | is not a function. */ | |
41978308 | 1716 | |
6edf0760 NC |
1717 | /* If we are creating a shared library, we must presume that the |
1718 | only references to the symbol are via the global offset table. | |
1719 | For such cases we need not do anything here; the relocations will | |
1720 | be handled correctly by relocate_section. */ | |
0e1862bb | 1721 | if (bfd_link_pic (info)) |
6edf0760 | 1722 | return TRUE; |
41978308 | 1723 | |
6edf0760 NC |
1724 | /* If there are no references to this symbol that do not use the |
1725 | GOT, we don't need to generate a copy reloc. */ | |
f5385ebf | 1726 | if (!h->non_got_ref) |
6edf0760 NC |
1727 | return TRUE; |
1728 | ||
1729 | /* If -z nocopyreloc was given, we won't generate them either. */ | |
3bf083ed | 1730 | if (0 && info->nocopyreloc) |
6edf0760 | 1731 | { |
f5385ebf | 1732 | h->non_got_ref = 0; |
6edf0760 NC |
1733 | return TRUE; |
1734 | } | |
1735 | ||
3bf083ed AM |
1736 | /* If we don't find any dynamic relocs in read-only sections, then |
1737 | we'll be keeping the dynamic relocs and avoiding the copy reloc. */ | |
5dbc8b37 | 1738 | if (0 && !_bfd_elf_readonly_dynrelocs (h)) |
6edf0760 | 1739 | { |
f5385ebf | 1740 | h->non_got_ref = 0; |
6edf0760 NC |
1741 | return TRUE; |
1742 | } | |
1743 | ||
1744 | /* We must allocate the symbol in our .dynbss section, which will | |
1745 | become part of the .bss section of the executable. There will be | |
1746 | an entry for this symbol in the .dynsym section. The dynamic | |
1747 | object will contain position independent code, so all references | |
1748 | from the dynamic object to this symbol will go through the global | |
1749 | offset table. The dynamic linker will use the .dynsym entry to | |
1750 | determine the address it must put in the global offset table, so | |
1751 | both the dynamic object and the regular object will refer to the | |
1752 | same memory location for the variable. */ | |
41978308 | 1753 | |
6edf0760 | 1754 | htab = m32r_elf_hash_table (info); |
4dfe6ac6 NC |
1755 | if (htab == NULL) |
1756 | return FALSE; | |
1757 | ||
6edf0760 NC |
1758 | s = htab->sdynbss; |
1759 | BFD_ASSERT (s != NULL); | |
41978308 | 1760 | |
6edf0760 NC |
1761 | /* We must generate a R_M32R_COPY reloc to tell the dynamic linker |
1762 | to copy the initial value out of the dynamic object and into the | |
1763 | runtime process image. We need to remember the offset into the | |
1764 | .rela.bss section we are going to use. */ | |
1d7e9d18 | 1765 | if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0) |
6edf0760 NC |
1766 | { |
1767 | asection *srel; | |
41978308 | 1768 | |
6edf0760 NC |
1769 | srel = htab->srelbss; |
1770 | BFD_ASSERT (srel != NULL); | |
eea6121a | 1771 | srel->size += sizeof (Elf32_External_Rela); |
f5385ebf | 1772 | h->needs_copy = 1; |
6edf0760 | 1773 | } |
41978308 | 1774 | |
6cabe1ea | 1775 | return _bfd_elf_adjust_dynamic_copy (info, h, s); |
6edf0760 NC |
1776 | } |
1777 | ||
6edf0760 NC |
1778 | /* Allocate space in .plt, .got and associated reloc sections for |
1779 | dynamic relocs. */ | |
41978308 | 1780 | |
6edf0760 | 1781 | static bfd_boolean |
47b0e7ad | 1782 | allocate_dynrelocs (struct elf_link_hash_entry *h, void * inf) |
6edf0760 NC |
1783 | { |
1784 | struct bfd_link_info *info; | |
f1dfbfdb | 1785 | struct elf_link_hash_table *htab; |
3bf083ed | 1786 | struct elf_dyn_relocs *p; |
41978308 | 1787 | |
6edf0760 NC |
1788 | if (h->root.type == bfd_link_hash_indirect) |
1789 | return TRUE; | |
41978308 | 1790 | |
6edf0760 NC |
1791 | info = (struct bfd_link_info *) inf; |
1792 | htab = m32r_elf_hash_table (info); | |
4dfe6ac6 NC |
1793 | if (htab == NULL) |
1794 | return FALSE; | |
41978308 | 1795 | |
f1dfbfdb | 1796 | if (htab->dynamic_sections_created |
6edf0760 NC |
1797 | && h->plt.refcount > 0) |
1798 | { | |
1799 | /* Make sure this symbol is output as a dynamic symbol. | |
07d6d2b8 | 1800 | Undefined weak syms won't yet be marked as dynamic. */ |
6edf0760 | 1801 | if (h->dynindx == -1 |
07d6d2b8 AM |
1802 | && !h->forced_local) |
1803 | { | |
1804 | if (! bfd_elf_link_record_dynamic_symbol (info, h)) | |
1805 | return FALSE; | |
1806 | } | |
41978308 | 1807 | |
0e1862bb | 1808 | if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, bfd_link_pic (info), h)) |
07d6d2b8 | 1809 | { |
f1dfbfdb | 1810 | asection *s = htab->splt; |
07d6d2b8 AM |
1811 | |
1812 | /* If this is the first .plt entry, make room for the special | |
1813 | first entry. */ | |
1814 | if (s->size == 0) | |
1815 | s->size += PLT_ENTRY_SIZE; | |
1816 | ||
1817 | h->plt.offset = s->size; | |
1818 | ||
1819 | /* If this symbol is not defined in a regular file, and we are | |
1820 | not generating a shared library, then set the symbol to this | |
1821 | location in the .plt. This is required to make function | |
1822 | pointers compare as equal between the normal executable and | |
1823 | the shared library. */ | |
1824 | if (! bfd_link_pic (info) | |
1825 | && !h->def_regular) | |
1826 | { | |
1827 | h->root.u.def.section = s; | |
1828 | h->root.u.def.value = h->plt.offset; | |
1829 | } | |
1830 | ||
1831 | /* Make room for this entry. */ | |
1832 | s->size += PLT_ENTRY_SIZE; | |
1833 | ||
1834 | /* We also need to make an entry in the .got.plt section, which | |
1835 | will be placed in the .got section by the linker script. */ | |
f1dfbfdb | 1836 | htab->sgotplt->size += 4; |
07d6d2b8 AM |
1837 | |
1838 | /* We also need to make an entry in the .rel.plt section. */ | |
f1dfbfdb | 1839 | htab->srelplt->size += sizeof (Elf32_External_Rela); |
07d6d2b8 | 1840 | } |
6edf0760 | 1841 | else |
07d6d2b8 AM |
1842 | { |
1843 | h->plt.offset = (bfd_vma) -1; | |
1844 | h->needs_plt = 0; | |
1845 | } | |
6edf0760 NC |
1846 | } |
1847 | else | |
1848 | { | |
1849 | h->plt.offset = (bfd_vma) -1; | |
f5385ebf | 1850 | h->needs_plt = 0; |
6edf0760 | 1851 | } |
41978308 | 1852 | |
6edf0760 NC |
1853 | if (h->got.refcount > 0) |
1854 | { | |
1855 | asection *s; | |
1856 | bfd_boolean dyn; | |
41978308 | 1857 | |
6edf0760 | 1858 | /* Make sure this symbol is output as a dynamic symbol. |
07d6d2b8 | 1859 | Undefined weak syms won't yet be marked as dynamic. */ |
6edf0760 | 1860 | if (h->dynindx == -1 |
07d6d2b8 AM |
1861 | && !h->forced_local) |
1862 | { | |
1863 | if (! bfd_elf_link_record_dynamic_symbol (info, h)) | |
1864 | return FALSE; | |
1865 | } | |
41978308 | 1866 | |
f1dfbfdb | 1867 | s = htab->sgot; |
6edf0760 | 1868 | |
eea6121a AM |
1869 | h->got.offset = s->size; |
1870 | s->size += 4; | |
f1dfbfdb | 1871 | dyn = htab->dynamic_sections_created; |
0e1862bb | 1872 | if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, bfd_link_pic (info), h)) |
f1dfbfdb | 1873 | htab->srelgot->size += sizeof (Elf32_External_Rela); |
6edf0760 NC |
1874 | } |
1875 | else | |
1876 | h->got.offset = (bfd_vma) -1; | |
41978308 | 1877 | |
190eb1dd | 1878 | if (h->dyn_relocs == NULL) |
6edf0760 | 1879 | return TRUE; |
41978308 | 1880 | |
6edf0760 NC |
1881 | /* In the shared -Bsymbolic case, discard space allocated for |
1882 | dynamic pc-relative relocs against symbols which turn out to be | |
1883 | defined in regular objects. For the normal shared case, discard | |
1884 | space for pc-relative relocs that have become local due to symbol | |
1885 | visibility changes. */ | |
1886 | ||
0e1862bb | 1887 | if (bfd_link_pic (info)) |
6edf0760 | 1888 | { |
f5385ebf | 1889 | if (h->def_regular |
07d6d2b8 AM |
1890 | && (h->forced_local |
1891 | || info->symbolic)) | |
1892 | { | |
1893 | struct elf_dyn_relocs **pp; | |
1894 | ||
190eb1dd | 1895 | for (pp = &h->dyn_relocs; (p = *pp) != NULL;) |
07d6d2b8 AM |
1896 | { |
1897 | p->count -= p->pc_count; | |
1898 | p->pc_count = 0; | |
1899 | if (p->count == 0) | |
1900 | *pp = p->next; | |
1901 | else | |
1902 | pp = &p->next; | |
1903 | } | |
1904 | } | |
22d606e9 AM |
1905 | |
1906 | /* Also discard relocs on undefined weak syms with non-default | |
1907 | visibility. */ | |
190eb1dd | 1908 | if (h->dyn_relocs != NULL |
22d606e9 AM |
1909 | && h->root.type == bfd_link_hash_undefweak) |
1910 | { | |
1911 | if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT) | |
190eb1dd | 1912 | h->dyn_relocs = NULL; |
22d606e9 AM |
1913 | |
1914 | /* Make sure undefined weak symbols are output as a dynamic | |
1915 | symbol in PIEs. */ | |
1916 | else if (h->dynindx == -1 | |
1917 | && !h->forced_local) | |
1918 | { | |
1919 | if (! bfd_elf_link_record_dynamic_symbol (info, h)) | |
1920 | return FALSE; | |
1921 | } | |
1922 | } | |
6edf0760 NC |
1923 | } |
1924 | else | |
1925 | { | |
1926 | /* For the non-shared case, discard space for relocs against | |
07d6d2b8 AM |
1927 | symbols which turn out to need copy relocs or are not |
1928 | dynamic. */ | |
41978308 | 1929 | |
f5385ebf | 1930 | if (!h->non_got_ref |
07d6d2b8 AM |
1931 | && ((h->def_dynamic |
1932 | && !h->def_regular) | |
f1dfbfdb | 1933 | || (htab->dynamic_sections_created |
07d6d2b8 AM |
1934 | && (h->root.type == bfd_link_hash_undefweak |
1935 | || h->root.type == bfd_link_hash_undefined)))) | |
1936 | { | |
1937 | /* Make sure this symbol is output as a dynamic symbol. | |
1938 | Undefined weak syms won't yet be marked as dynamic. */ | |
1939 | if (h->dynindx == -1 | |
1940 | && !h->forced_local) | |
1941 | { | |
1942 | if (! bfd_elf_link_record_dynamic_symbol (info, h)) | |
1943 | return FALSE; | |
1944 | } | |
1945 | ||
1946 | /* If that succeeded, we know we'll be keeping all the | |
1947 | relocs. */ | |
1948 | if (h->dynindx != -1) | |
1949 | goto keep; | |
1950 | } | |
41978308 | 1951 | |
190eb1dd | 1952 | h->dyn_relocs = NULL; |
41978308 | 1953 | |
6edf0760 NC |
1954 | keep: ; |
1955 | } | |
41978308 | 1956 | |
6edf0760 | 1957 | /* Finally, allocate space. */ |
190eb1dd | 1958 | for (p = h->dyn_relocs; p != NULL; p = p->next) |
6edf0760 NC |
1959 | { |
1960 | asection *sreloc = elf_section_data (p->sec)->sreloc; | |
eea6121a | 1961 | sreloc->size += p->count * sizeof (Elf32_External_Rela); |
6edf0760 | 1962 | } |
41978308 | 1963 | |
6edf0760 NC |
1964 | return TRUE; |
1965 | } | |
47b0e7ad | 1966 | |
6edf0760 | 1967 | /* Set the sizes of the dynamic sections. */ |
41978308 | 1968 | |
6edf0760 | 1969 | static bfd_boolean |
47b0e7ad NC |
1970 | m32r_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED, |
1971 | struct bfd_link_info *info) | |
6edf0760 | 1972 | { |
f1dfbfdb | 1973 | struct elf_link_hash_table *htab; |
6edf0760 NC |
1974 | bfd *dynobj; |
1975 | asection *s; | |
1976 | bfd_boolean relocs; | |
1977 | bfd *ibfd; | |
1978 | ||
1979 | #ifdef DEBUG_PIC | |
47b0e7ad | 1980 | printf ("m32r_elf_size_dynamic_sections()\n"); |
6edf0760 NC |
1981 | #endif |
1982 | ||
1983 | htab = m32r_elf_hash_table (info); | |
4dfe6ac6 NC |
1984 | if (htab == NULL) |
1985 | return FALSE; | |
1986 | ||
f1dfbfdb | 1987 | dynobj = htab->dynobj; |
6edf0760 NC |
1988 | BFD_ASSERT (dynobj != NULL); |
1989 | ||
f1dfbfdb | 1990 | if (htab->dynamic_sections_created) |
252b5132 | 1991 | { |
6edf0760 | 1992 | /* Set the contents of the .interp section to the interpreter. */ |
9b8b325a | 1993 | if (bfd_link_executable (info) && !info->nointerp) |
6edf0760 | 1994 | { |
3d4d4302 | 1995 | s = bfd_get_linker_section (dynobj, ".interp"); |
6edf0760 | 1996 | BFD_ASSERT (s != NULL); |
eea6121a | 1997 | s->size = sizeof ELF_DYNAMIC_INTERPRETER; |
6edf0760 NC |
1998 | s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER; |
1999 | } | |
252b5132 RH |
2000 | } |
2001 | ||
6edf0760 NC |
2002 | /* Set up .got offsets for local syms, and space for local dynamic |
2003 | relocs. */ | |
c72f2fb2 | 2004 | for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next) |
6edf0760 NC |
2005 | { |
2006 | bfd_signed_vma *local_got; | |
2007 | bfd_signed_vma *end_local_got; | |
2008 | bfd_size_type locsymcount; | |
2009 | Elf_Internal_Shdr *symtab_hdr; | |
2010 | asection *srel; | |
252b5132 | 2011 | |
6edf0760 | 2012 | if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour) |
07d6d2b8 | 2013 | continue; |
252b5132 | 2014 | |
6edf0760 | 2015 | for (s = ibfd->sections; s != NULL; s = s->next) |
07d6d2b8 AM |
2016 | { |
2017 | struct elf_dyn_relocs *p; | |
2018 | ||
2019 | for (p = ((struct elf_dyn_relocs *) | |
2020 | elf_section_data (s)->local_dynrel); | |
2021 | p != NULL; | |
2022 | p = p->next) | |
2023 | { | |
2024 | if (! bfd_is_abs_section (p->sec) | |
2025 | && bfd_is_abs_section (p->sec->output_section)) | |
2026 | { | |
2027 | /* Input section has been discarded, either because | |
2028 | it is a copy of a linkonce section or due to | |
2029 | linker script /DISCARD/, so we'll be discarding | |
2030 | the relocs too. */ | |
2031 | } | |
2032 | else if (p->count != 0) | |
2033 | { | |
2034 | srel = elf_section_data (p->sec)->sreloc; | |
2035 | srel->size += p->count * sizeof (Elf32_External_Rela); | |
2036 | if ((p->sec->output_section->flags & SEC_READONLY) != 0) | |
2037 | info->flags |= DF_TEXTREL; | |
2038 | } | |
2039 | } | |
2040 | } | |
6edf0760 NC |
2041 | |
2042 | local_got = elf_local_got_refcounts (ibfd); | |
2043 | if (!local_got) | |
07d6d2b8 | 2044 | continue; |
6edf0760 NC |
2045 | |
2046 | symtab_hdr = &elf_tdata (ibfd)->symtab_hdr; | |
2047 | locsymcount = symtab_hdr->sh_info; | |
2048 | end_local_got = local_got + locsymcount; | |
f1dfbfdb L |
2049 | s = htab->sgot; |
2050 | srel = htab->srelgot; | |
6edf0760 | 2051 | for (; local_got < end_local_got; ++local_got) |
07d6d2b8 AM |
2052 | { |
2053 | if (*local_got > 0) | |
2054 | { | |
2055 | *local_got = s->size; | |
2056 | s->size += 4; | |
2057 | if (bfd_link_pic (info)) | |
2058 | srel->size += sizeof (Elf32_External_Rela); | |
2059 | } | |
2060 | else | |
2061 | *local_got = (bfd_vma) -1; | |
2062 | } | |
6edf0760 NC |
2063 | } |
2064 | ||
2065 | /* Allocate global sym .plt and .got entries, and space for global | |
2066 | sym dynamic relocs. */ | |
f1dfbfdb | 2067 | elf_link_hash_traverse (htab, allocate_dynrelocs, info); |
6edf0760 NC |
2068 | |
2069 | /* We now have determined the sizes of the various dynamic sections. | |
2070 | Allocate memory for them. */ | |
2071 | relocs = FALSE; | |
2072 | for (s = dynobj->sections; s != NULL; s = s->next) | |
252b5132 | 2073 | { |
6edf0760 | 2074 | if ((s->flags & SEC_LINKER_CREATED) == 0) |
07d6d2b8 | 2075 | continue; |
252b5132 | 2076 | |
f1dfbfdb L |
2077 | if (s == htab->splt |
2078 | || s == htab->sgot | |
2079 | || s == htab->sgotplt | |
c456f082 | 2080 | || s == htab->sdynbss) |
07d6d2b8 AM |
2081 | { |
2082 | /* Strip this section if we don't need it; see the | |
2083 | comment below. */ | |
2084 | } | |
fd361982 | 2085 | else if (CONST_STRNEQ (bfd_section_name (s), ".rela")) |
07d6d2b8 | 2086 | { |
f1dfbfdb | 2087 | if (s->size != 0 && s != htab->srelplt) |
07d6d2b8 AM |
2088 | relocs = TRUE; |
2089 | ||
2090 | /* We use the reloc_count field as a counter if we need | |
2091 | to copy relocs into the output file. */ | |
2092 | s->reloc_count = 0; | |
2093 | } | |
252b5132 | 2094 | else |
47b0e7ad NC |
2095 | /* It's not one of our sections, so don't allocate space. */ |
2096 | continue; | |
6edf0760 | 2097 | |
eea6121a | 2098 | if (s->size == 0) |
07d6d2b8 AM |
2099 | { |
2100 | /* If we don't need this section, strip it from the | |
2101 | output file. This is mostly to handle .rela.bss and | |
2102 | .rela.plt. We must create both sections in | |
2103 | create_dynamic_sections, because they must be created | |
2104 | before the linker maps input sections to output | |
2105 | sections. The linker does that before | |
2106 | adjust_dynamic_symbol is called, and it is that | |
2107 | function which decides whether anything needs to go | |
2108 | into these sections. */ | |
2109 | s->flags |= SEC_EXCLUDE; | |
2110 | continue; | |
2111 | } | |
6edf0760 | 2112 | |
c456f082 AM |
2113 | if ((s->flags & SEC_HAS_CONTENTS) == 0) |
2114 | continue; | |
2115 | ||
6edf0760 | 2116 | /* Allocate memory for the section contents. We use bfd_zalloc |
07d6d2b8 AM |
2117 | here in case unused entries are not reclaimed before the |
2118 | section's contents are written out. This should not happen, | |
2119 | but this way if it does, we get a R_M32R_NONE reloc instead | |
2120 | of garbage. */ | |
47b0e7ad | 2121 | s->contents = bfd_zalloc (dynobj, s->size); |
6edf0760 | 2122 | if (s->contents == NULL) |
07d6d2b8 | 2123 | return FALSE; |
6edf0760 NC |
2124 | } |
2125 | ||
3084d7a2 | 2126 | return _bfd_elf_add_dynamic_tags (output_bfd, info, relocs); |
252b5132 | 2127 | } |
47b0e7ad | 2128 | |
252b5132 RH |
2129 | /* Relocate an M32R/D ELF section. |
2130 | There is some attempt to make this function usable for many architectures, | |
f0fe0e16 | 2131 | both for RELA and REL type relocs, if only to serve as a learning tool. |
252b5132 RH |
2132 | |
2133 | The RELOCATE_SECTION function is called by the new ELF backend linker | |
2134 | to handle the relocations for a section. | |
2135 | ||
2136 | The relocs are always passed as Rela structures; if the section | |
2137 | actually uses Rel structures, the r_addend field will always be | |
2138 | zero. | |
2139 | ||
2140 | This function is responsible for adjust the section contents as | |
2141 | necessary, and (if using Rela relocs and generating a | |
1049f94e | 2142 | relocatable output file) adjusting the reloc addend as |
252b5132 RH |
2143 | necessary. |
2144 | ||
2145 | This function does not have to worry about setting the reloc | |
2146 | address or the reloc symbol index. | |
2147 | ||
2148 | LOCAL_SYMS is a pointer to the swapped in local symbols. | |
2149 | ||
2150 | LOCAL_SECTIONS is an array giving the section in the input file | |
2151 | corresponding to the st_shndx field of each local symbol. | |
2152 | ||
2153 | The global hash table entry for the global symbols can be found | |
2154 | via elf_sym_hashes (input_bfd). | |
2155 | ||
1049f94e | 2156 | When generating relocatable output, this function must handle |
252b5132 RH |
2157 | STB_LOCAL/STT_SECTION symbols specially. The output symbol is |
2158 | going to be the section symbol corresponding to the output | |
2159 | section, which means that the addend must be adjusted | |
2160 | accordingly. */ | |
2161 | ||
b34976b6 | 2162 | static bfd_boolean |
47b0e7ad NC |
2163 | m32r_elf_relocate_section (bfd *output_bfd ATTRIBUTE_UNUSED, |
2164 | struct bfd_link_info *info, | |
2165 | bfd *input_bfd, | |
2166 | asection *input_section, | |
2167 | bfd_byte *contents, | |
2168 | Elf_Internal_Rela *relocs, | |
2169 | Elf_Internal_Sym *local_syms, | |
2170 | asection **local_sections) | |
252b5132 RH |
2171 | { |
2172 | Elf_Internal_Shdr *symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr; | |
2173 | struct elf_link_hash_entry **sym_hashes = elf_sym_hashes (input_bfd); | |
2174 | Elf_Internal_Rela *rel, *relend; | |
2175 | /* Assume success. */ | |
b34976b6 | 2176 | bfd_boolean ret = TRUE; |
f1dfbfdb | 2177 | struct elf_link_hash_table *htab = m32r_elf_hash_table (info); |
6edf0760 NC |
2178 | bfd_vma *local_got_offsets; |
2179 | asection *sgot, *splt, *sreloc; | |
07515404 | 2180 | bfd_vma high_address = bfd_get_section_limit (input_bfd, input_section); |
6edf0760 | 2181 | |
4dfe6ac6 NC |
2182 | if (htab == NULL) |
2183 | return FALSE; | |
2184 | ||
6edf0760 | 2185 | local_got_offsets = elf_local_got_offsets (input_bfd); |
41978308 | 2186 | |
f1dfbfdb L |
2187 | sgot = htab->sgot; |
2188 | splt = htab->splt; | |
6edf0760 | 2189 | sreloc = NULL; |
b491616a | 2190 | |
252b5132 RH |
2191 | rel = relocs; |
2192 | relend = relocs + input_section->reloc_count; | |
2193 | for (; rel < relend; rel++) | |
2194 | { | |
2195 | int r_type; | |
2196 | reloc_howto_type *howto; | |
2197 | unsigned long r_symndx; | |
6edf0760 | 2198 | struct elf_link_hash_entry *h; |
252b5132 | 2199 | /* We can't modify r_addend here as elf_link_input_bfd has an assert to |
07d6d2b8 AM |
2200 | ensure it's zero (we use REL relocs, not RELA). Therefore this |
2201 | should be assigning zero to `addend', but for clarity we use | |
2202 | `r_addend'. */ | |
252b5132 RH |
2203 | bfd_vma addend = rel->r_addend; |
2204 | bfd_vma offset = rel->r_offset; | |
ab96bf03 | 2205 | bfd_vma relocation; |
252b5132 RH |
2206 | Elf_Internal_Sym *sym; |
2207 | asection *sec; | |
2208 | const char *sym_name; | |
2209 | bfd_reloc_status_type r; | |
2210 | const char *errmsg = NULL; | |
6edf0760 | 2211 | bfd_boolean use_rel = FALSE; |
252b5132 RH |
2212 | |
2213 | h = NULL; | |
2214 | r_type = ELF32_R_TYPE (rel->r_info); | |
2215 | if (r_type < 0 || r_type >= (int) R_M32R_max) | |
2216 | { | |
695344c0 | 2217 | /* xgettext:c-format */ |
0aa13fee | 2218 | _bfd_error_handler (_("%pB: unsupported relocation type %#x"), |
4eca0228 | 2219 | input_bfd, (int) r_type); |
252b5132 | 2220 | bfd_set_error (bfd_error_bad_value); |
b34976b6 | 2221 | ret = FALSE; |
252b5132 RH |
2222 | continue; |
2223 | } | |
2224 | ||
47b0e7ad | 2225 | if ( r_type == R_M32R_GNU_VTENTRY |
07d6d2b8 AM |
2226 | || r_type == R_M32R_GNU_VTINHERIT |
2227 | || r_type == R_M32R_NONE | |
2228 | || r_type == R_M32R_RELA_GNU_VTENTRY | |
2229 | || r_type == R_M32R_RELA_GNU_VTINHERIT) | |
2230 | continue; | |
252b5132 | 2231 | |
6edf0760 | 2232 | if (r_type <= R_M32R_GNU_VTENTRY) |
07d6d2b8 | 2233 | use_rel = TRUE; |
6edf0760 | 2234 | |
252b5132 RH |
2235 | howto = m32r_elf_howto_table + r_type; |
2236 | r_symndx = ELF32_R_SYM (rel->r_info); | |
2237 | ||
ab96bf03 AM |
2238 | sym = NULL; |
2239 | sec = NULL; | |
2240 | h = NULL; | |
2241 | ||
2242 | if (r_symndx < symtab_hdr->sh_info) | |
2243 | { | |
2244 | /* Local symbol. */ | |
2245 | sym = local_syms + r_symndx; | |
2246 | sec = local_sections[r_symndx]; | |
2247 | sym_name = "<local symbol>"; | |
2248 | ||
2249 | if (!use_rel) | |
2250 | { | |
2251 | relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel); | |
2252 | addend = rel->r_addend; | |
2253 | } | |
2254 | else | |
2255 | { | |
2256 | relocation = (sec->output_section->vma | |
2257 | + sec->output_offset | |
2258 | + sym->st_value); | |
2259 | } | |
2260 | } | |
2261 | else | |
2262 | { | |
2263 | /* External symbol. */ | |
2264 | relocation = 0; | |
2265 | ||
2266 | h = sym_hashes[r_symndx - symtab_hdr->sh_info]; | |
8a5da09b AM |
2267 | |
2268 | if (info->wrap_hash != NULL | |
2269 | && (input_section->flags & SEC_DEBUGGING) != 0) | |
2270 | h = ((struct elf_link_hash_entry *) | |
2271 | unwrap_hash_lookup (info, input_bfd, &h->root)); | |
2272 | ||
ab96bf03 AM |
2273 | while (h->root.type == bfd_link_hash_indirect |
2274 | || h->root.type == bfd_link_hash_warning) | |
2275 | h = (struct elf_link_hash_entry *) h->root.u.i.link; | |
2276 | sym_name = h->root.root.string; | |
2277 | ||
2278 | if (h->root.type == bfd_link_hash_defined | |
2279 | || h->root.type == bfd_link_hash_defweak) | |
2280 | { | |
2281 | bfd_boolean dyn; | |
2282 | sec = h->root.u.def.section; | |
2283 | ||
f1dfbfdb | 2284 | dyn = htab->dynamic_sections_created; |
ab96bf03 AM |
2285 | sec = h->root.u.def.section; |
2286 | if (r_type == R_M32R_GOTPC24 | |
2287 | || (r_type == R_M32R_GOTPC_HI_ULO | |
2288 | || r_type == R_M32R_GOTPC_HI_SLO | |
2289 | || r_type == R_M32R_GOTPC_LO) | |
2290 | || (r_type == R_M32R_26_PLTREL | |
2291 | && h->plt.offset != (bfd_vma) -1) | |
2292 | || ((r_type == R_M32R_GOT24 | |
2293 | || r_type == R_M32R_GOT16_HI_ULO | |
2294 | || r_type == R_M32R_GOT16_HI_SLO | |
2295 | || r_type == R_M32R_GOT16_LO) | |
2296 | && WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, | |
0e1862bb L |
2297 | bfd_link_pic (info), |
2298 | h) | |
2299 | && (! bfd_link_pic (info) | |
ab96bf03 AM |
2300 | || (! info->symbolic && h->dynindx != -1) |
2301 | || !h->def_regular)) | |
0e1862bb | 2302 | || (bfd_link_pic (info) |
ab96bf03 AM |
2303 | && ((! info->symbolic && h->dynindx != -1) |
2304 | || !h->def_regular) | |
2305 | && (((r_type == R_M32R_16_RELA | |
2306 | || r_type == R_M32R_32_RELA | |
2307 | || r_type == R_M32R_24_RELA | |
2308 | || r_type == R_M32R_HI16_ULO_RELA | |
2309 | || r_type == R_M32R_HI16_SLO_RELA | |
2310 | || r_type == R_M32R_LO16_RELA) | |
2311 | && !h->forced_local) | |
2312 | || r_type == R_M32R_REL32 | |
2313 | || r_type == R_M32R_10_PCREL_RELA | |
2314 | || r_type == R_M32R_18_PCREL_RELA | |
2315 | || r_type == R_M32R_26_PCREL_RELA) | |
2316 | && ((input_section->flags & SEC_ALLOC) != 0 | |
2317 | /* DWARF will emit R_M32R_16(24,32) relocations | |
2318 | in its sections against symbols defined | |
2319 | externally in shared libraries. We can't do | |
2320 | anything with them here. */ | |
2321 | || ((input_section->flags & SEC_DEBUGGING) != 0 | |
2322 | && h->def_dynamic)))) | |
2323 | { | |
2324 | /* In these cases, we don't need the relocation | |
2325 | value. We check specially because in some | |
2326 | obscure cases sec->output_section will be NULL. */ | |
2327 | } | |
2328 | else if (sec->output_section != NULL) | |
2329 | relocation = (h->root.u.def.value | |
2330 | + sec->output_section->vma | |
2331 | + sec->output_offset); | |
0e1862bb | 2332 | else if (!bfd_link_relocatable (info) |
1d5316ab AM |
2333 | && (_bfd_elf_section_offset (output_bfd, info, |
2334 | input_section, | |
2335 | rel->r_offset) | |
2336 | != (bfd_vma) -1)) | |
ab96bf03 | 2337 | { |
4eca0228 | 2338 | _bfd_error_handler |
695344c0 | 2339 | /* xgettext:c-format */ |
2dcf00ce | 2340 | (_("%pB(%pA+%#" PRIx64 "): unresolvable %s relocation " |
d42c267e | 2341 | "against symbol `%s'"), |
ab96bf03 AM |
2342 | input_bfd, |
2343 | input_section, | |
2dcf00ce | 2344 | (uint64_t) rel->r_offset, |
ab96bf03 AM |
2345 | howto->name, |
2346 | h->root.root.string); | |
2347 | } | |
2348 | } | |
2349 | else if (h->root.type == bfd_link_hash_undefweak) | |
2350 | ; | |
2351 | else if (info->unresolved_syms_in_objects == RM_IGNORE | |
2352 | && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT) | |
2353 | ; | |
0e1862bb | 2354 | else if (!bfd_link_relocatable (info)) |
95a51568 FS |
2355 | info->callbacks->undefined_symbol |
2356 | (info, h->root.root.string, input_bfd, input_section, offset, | |
2357 | (info->unresolved_syms_in_objects == RM_DIAGNOSE | |
2358 | && !info->warn_unresolved_syms) | |
2359 | || ELF_ST_VISIBILITY (h->other)); | |
2360 | } | |
ab96bf03 | 2361 | |
dbaa2011 | 2362 | if (sec != NULL && discarded_section (sec)) |
e4067dbb | 2363 | RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section, |
545fd46b | 2364 | rel, 1, relend, howto, 0, contents); |
ab96bf03 | 2365 | |
0e1862bb | 2366 | if (bfd_link_relocatable (info) && !use_rel) |
252b5132 | 2367 | { |
1049f94e | 2368 | /* This is a relocatable link. We don't have to change |
252b5132 RH |
2369 | anything, unless the reloc is against a section symbol, |
2370 | in which case we have to adjust according to where the | |
2371 | section symbol winds up in the output section. */ | |
ab96bf03 AM |
2372 | if (sym != NULL && ELF_ST_TYPE (sym->st_info) == STT_SECTION) |
2373 | rel->r_addend += sec->output_offset; | |
2374 | continue; | |
2375 | } | |
252b5132 | 2376 | |
0e1862bb | 2377 | if (bfd_link_relocatable (info) && use_rel) |
ab96bf03 AM |
2378 | { |
2379 | /* This is a relocatable link. We don't have to change | |
2380 | anything, unless the reloc is against a section symbol, | |
2381 | in which case we have to adjust according to where the | |
2382 | section symbol winds up in the output section. */ | |
2383 | if (sym == NULL || ELF_ST_TYPE (sym->st_info) != STT_SECTION) | |
47b0e7ad | 2384 | continue; |
252b5132 | 2385 | |
ab96bf03 | 2386 | addend += sec->output_offset; |
252b5132 | 2387 | |
252b5132 RH |
2388 | /* If partial_inplace, we need to store any additional addend |
2389 | back in the section. */ | |
2390 | if (! howto->partial_inplace) | |
2391 | continue; | |
2392 | /* ??? Here is a nice place to call a special_function | |
2393 | like handler. */ | |
2394 | if (r_type != R_M32R_HI16_SLO && r_type != R_M32R_HI16_ULO) | |
2395 | r = _bfd_relocate_contents (howto, input_bfd, | |
2396 | addend, contents + offset); | |
2397 | else | |
2398 | { | |
2399 | Elf_Internal_Rela *lorel; | |
2400 | ||
2401 | /* We allow an arbitrary number of HI16 relocs before the | |
2402 | LO16 reloc. This permits gcc to emit the HI and LO relocs | |
2403 | itself. */ | |
2404 | for (lorel = rel + 1; | |
2405 | (lorel < relend | |
2406 | && (ELF32_R_TYPE (lorel->r_info) == R_M32R_HI16_SLO | |
2407 | || ELF32_R_TYPE (lorel->r_info) == R_M32R_HI16_ULO)); | |
2408 | lorel++) | |
2409 | continue; | |
2410 | if (lorel < relend | |
2411 | && ELF32_R_TYPE (lorel->r_info) == R_M32R_LO16) | |
2412 | { | |
2413 | m32r_elf_relocate_hi16 (input_bfd, r_type, rel, lorel, | |
2414 | contents, addend); | |
2415 | r = bfd_reloc_ok; | |
2416 | } | |
2417 | else | |
2418 | r = _bfd_relocate_contents (howto, input_bfd, | |
2419 | addend, contents + offset); | |
2420 | } | |
252b5132 RH |
2421 | } |
2422 | else | |
2423 | { | |
252b5132 | 2424 | /* Sanity check the address. */ |
07515404 | 2425 | if (offset > high_address) |
252b5132 RH |
2426 | { |
2427 | r = bfd_reloc_outofrange; | |
2428 | goto check_reloc; | |
2429 | } | |
2430 | ||
2431 | switch ((int) r_type) | |
2432 | { | |
07d6d2b8 AM |
2433 | case R_M32R_GOTOFF: |
2434 | /* Relocation is relative to the start of the global offset | |
2435 | table (for ld24 rx, #uimm24). eg access at label+addend | |
f12123c0 | 2436 | |
07d6d2b8 AM |
2437 | ld24 rx. #label@GOTOFF + addend |
2438 | sub rx, r12. */ | |
097f809a | 2439 | |
07d6d2b8 | 2440 | BFD_ASSERT (sgot != NULL); |
097f809a | 2441 | |
07d6d2b8 AM |
2442 | relocation = -(relocation - sgot->output_section->vma); |
2443 | rel->r_addend = -rel->r_addend; | |
2444 | break; | |
097f809a | 2445 | |
07d6d2b8 AM |
2446 | case R_M32R_GOTOFF_HI_ULO: |
2447 | case R_M32R_GOTOFF_HI_SLO: | |
2448 | case R_M32R_GOTOFF_LO: | |
097f809a NC |
2449 | BFD_ASSERT (sgot != NULL); |
2450 | ||
2451 | relocation -= sgot->output_section->vma; | |
2452 | ||
2453 | if ((r_type == R_M32R_GOTOFF_HI_SLO) | |
2454 | && ((relocation + rel->r_addend) & 0x8000)) | |
2455 | rel->r_addend += 0x10000; | |
2456 | break; | |
2457 | ||
07d6d2b8 AM |
2458 | case R_M32R_GOTPC24: |
2459 | /* .got(_GLOBAL_OFFSET_TABLE_) - pc relocation | |
2460 | ld24 rx,#_GLOBAL_OFFSET_TABLE_ | |
2461 | */ | |
2462 | relocation = sgot->output_section->vma; | |
2463 | break; | |
2464 | ||
2465 | case R_M32R_GOTPC_HI_ULO: | |
2466 | case R_M32R_GOTPC_HI_SLO: | |
2467 | case R_M32R_GOTPC_LO: | |
2468 | { | |
2469 | /* .got(_GLOBAL_OFFSET_TABLE_) - pc relocation | |
2470 | bl .+4 | |
2471 | seth rx,#high(_GLOBAL_OFFSET_TABLE_) | |
2472 | or3 rx,rx,#low(_GLOBAL_OFFSET_TABLE_ +4) | |
2473 | or | |
2474 | bl .+4 | |
2475 | seth rx,#shigh(_GLOBAL_OFFSET_TABLE_) | |
2476 | add3 rx,rx,#low(_GLOBAL_OFFSET_TABLE_ +4) | |
2477 | */ | |
2478 | relocation = sgot->output_section->vma; | |
2479 | relocation -= (input_section->output_section->vma | |
2480 | + input_section->output_offset | |
2481 | + rel->r_offset); | |
2482 | if ((r_type == R_M32R_GOTPC_HI_SLO) | |
2483 | && ((relocation + rel->r_addend) & 0x8000)) | |
2484 | rel->r_addend += 0x10000; | |
2485 | ||
2486 | break; | |
2487 | } | |
2488 | case R_M32R_GOT16_HI_ULO: | |
2489 | case R_M32R_GOT16_HI_SLO: | |
2490 | case R_M32R_GOT16_LO: | |
2491 | /* Fall through. */ | |
2492 | case R_M32R_GOT24: | |
2493 | /* Relocation is to the entry for this symbol in the global | |
2494 | offset table. */ | |
2495 | BFD_ASSERT (sgot != NULL); | |
2496 | ||
2497 | if (h != NULL) | |
2498 | { | |
2499 | bfd_boolean dyn; | |
2500 | bfd_vma off; | |
2501 | ||
2502 | off = h->got.offset; | |
2503 | BFD_ASSERT (off != (bfd_vma) -1); | |
2504 | ||
f1dfbfdb | 2505 | dyn = htab->dynamic_sections_created; |
07d6d2b8 | 2506 | if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, |
0e1862bb L |
2507 | bfd_link_pic (info), |
2508 | h) | |
07d6d2b8 AM |
2509 | || (bfd_link_pic (info) |
2510 | && (info->symbolic | |
2511 | || h->dynindx == -1 | |
2512 | || h->forced_local) | |
2513 | && h->def_regular)) | |
2514 | { | |
2515 | /* This is actually a static link, or it is a | |
2516 | -Bsymbolic link and the symbol is defined | |
2517 | locally, or the symbol was forced to be local | |
2518 | because of a version file. We must initialize | |
2519 | this entry in the global offset table. Since the | |
2520 | offset must always be a multiple of 4, we use the | |
2521 | least significant bit to record whether we have | |
2522 | initialized it already. | |
2523 | ||
2524 | When doing a dynamic link, we create a .rela.got | |
2525 | relocation entry to initialize the value. This | |
2526 | is done in the finish_dynamic_symbol routine. */ | |
2527 | if ((off & 1) != 0) | |
2528 | off &= ~1; | |
2529 | else | |
2530 | { | |
2531 | bfd_put_32 (output_bfd, relocation, | |
2532 | sgot->contents + off); | |
2533 | h->got.offset |= 1; | |
2534 | } | |
2535 | } | |
2536 | ||
2537 | relocation = sgot->output_offset + off; | |
2538 | } | |
2539 | else | |
2540 | { | |
2541 | bfd_vma off; | |
2542 | bfd_byte *loc; | |
2543 | ||
2544 | BFD_ASSERT (local_got_offsets != NULL | |
2545 | && local_got_offsets[r_symndx] != (bfd_vma) -1); | |
2546 | ||
2547 | off = local_got_offsets[r_symndx]; | |
2548 | ||
2549 | /* The offset must always be a multiple of 4. We use | |
2550 | the least significant bit to record whether we have | |
2551 | already processed this entry. */ | |
2552 | if ((off & 1) != 0) | |
2553 | off &= ~1; | |
2554 | else | |
2555 | { | |
2556 | bfd_put_32 (output_bfd, relocation, sgot->contents + off); | |
2557 | ||
2558 | if (bfd_link_pic (info)) | |
2559 | { | |
2560 | asection *srelgot; | |
2561 | Elf_Internal_Rela outrel; | |
2562 | ||
2563 | /* We need to generate a R_M32R_RELATIVE reloc | |
2564 | for the dynamic linker. */ | |
f1dfbfdb | 2565 | srelgot = htab->srelgot; |
07d6d2b8 AM |
2566 | BFD_ASSERT (srelgot != NULL); |
2567 | ||
2568 | outrel.r_offset = (sgot->output_section->vma | |
2569 | + sgot->output_offset | |
2570 | + off); | |
2571 | outrel.r_info = ELF32_R_INFO (0, R_M32R_RELATIVE); | |
2572 | outrel.r_addend = relocation; | |
2573 | loc = srelgot->contents; | |
2574 | loc += srelgot->reloc_count * sizeof (Elf32_External_Rela); | |
2575 | bfd_elf32_swap_reloca_out (output_bfd, &outrel,loc); | |
2576 | ++srelgot->reloc_count; | |
2577 | } | |
2578 | ||
2579 | local_got_offsets[r_symndx] |= 1; | |
2580 | } | |
2581 | ||
2582 | relocation = sgot->output_offset + off; | |
2583 | } | |
2584 | if ((r_type == R_M32R_GOT16_HI_SLO) | |
2585 | && ((relocation + rel->r_addend) & 0x8000)) | |
2586 | rel->r_addend += 0x10000; | |
2587 | ||
2588 | break; | |
2589 | ||
2590 | case R_M32R_26_PLTREL: | |
2591 | /* Relocation is to the entry for this symbol in the | |
2592 | procedure linkage table. */ | |
2593 | ||
2594 | /* The native assembler will generate a 26_PLTREL reloc | |
2595 | for a local symbol if you assemble a call from one | |
2596 | section to another when using -K pic. */ | |
2597 | if (h == NULL) | |
2598 | break; | |
2599 | ||
2600 | if (h->forced_local) | |
2601 | break; | |
2602 | ||
2603 | if (h->plt.offset == (bfd_vma) -1) | |
47b0e7ad NC |
2604 | /* We didn't make a PLT entry for this symbol. This |
2605 | happens when statically linking PIC code, or when | |
2606 | using -Bsymbolic. */ | |
2607 | break; | |
41978308 | 2608 | |
07d6d2b8 AM |
2609 | relocation = (splt->output_section->vma |
2610 | + splt->output_offset | |
2611 | + h->plt.offset); | |
2612 | break; | |
41978308 | 2613 | |
07d6d2b8 | 2614 | case R_M32R_HI16_SLO_RELA: |
47b0e7ad NC |
2615 | if ((relocation + rel->r_addend) & 0x8000) |
2616 | rel->r_addend += 0x10000; | |
07d6d2b8 | 2617 | /* Fall through. */ |
47b0e7ad | 2618 | |
07d6d2b8 AM |
2619 | case R_M32R_16_RELA: |
2620 | case R_M32R_24_RELA: | |
2621 | case R_M32R_32_RELA: | |
2622 | case R_M32R_REL32: | |
8ce757c4 | 2623 | case R_M32R_10_PCREL_RELA: |
07d6d2b8 AM |
2624 | case R_M32R_18_PCREL_RELA: |
2625 | case R_M32R_26_PCREL_RELA: | |
2626 | case R_M32R_HI16_ULO_RELA: | |
2627 | case R_M32R_LO16_RELA: | |
2628 | if (bfd_link_pic (info) | |
2629 | && r_symndx != STN_UNDEF | |
2630 | && (input_section->flags & SEC_ALLOC) != 0 | |
2631 | && (( r_type != R_M32R_10_PCREL_RELA | |
2632 | && r_type != R_M32R_18_PCREL_RELA | |
2633 | && r_type != R_M32R_26_PCREL_RELA | |
2634 | && r_type != R_M32R_REL32) | |
2635 | || (h != NULL | |
2636 | && h->dynindx != -1 | |
2637 | && (! info->symbolic | |
2638 | || !h->def_regular)))) | |
2639 | { | |
2640 | Elf_Internal_Rela outrel; | |
2641 | bfd_boolean skip, relocate; | |
2642 | bfd_byte *loc; | |
2643 | ||
2644 | /* When generating a shared object, these relocations | |
2645 | are copied into the output file to be resolved at run | |
2646 | time. */ | |
2647 | if (sreloc == NULL) | |
2648 | { | |
83bac4b0 NC |
2649 | sreloc = _bfd_elf_get_dynamic_reloc_section |
2650 | (input_bfd, input_section, /*rela?*/ TRUE); | |
2651 | if (sreloc == NULL) | |
2652 | return FALSE; | |
07d6d2b8 AM |
2653 | } |
2654 | ||
2655 | skip = FALSE; | |
2656 | relocate = FALSE; | |
2657 | ||
2658 | outrel.r_offset = _bfd_elf_section_offset (output_bfd, | |
2659 | info, | |
2660 | input_section, | |
2661 | rel->r_offset); | |
2662 | if (outrel.r_offset == (bfd_vma) -1) | |
2663 | skip = TRUE; | |
2664 | else if (outrel.r_offset == (bfd_vma) -2) | |
2665 | skip = relocate = TRUE; | |
2666 | outrel.r_offset += (input_section->output_section->vma | |
2667 | + input_section->output_offset); | |
2668 | ||
2669 | if (skip) | |
2670 | memset (&outrel, 0, sizeof outrel); | |
2671 | else if ( r_type == R_M32R_10_PCREL_RELA | |
2672 | || r_type == R_M32R_18_PCREL_RELA | |
2673 | || r_type == R_M32R_26_PCREL_RELA | |
2674 | || r_type == R_M32R_REL32) | |
2675 | { | |
2676 | BFD_ASSERT (h != NULL && h->dynindx != -1); | |
2677 | outrel.r_info = ELF32_R_INFO (h->dynindx, r_type); | |
2678 | outrel.r_addend = rel->r_addend; | |
2679 | } | |
2680 | else | |
2681 | { | |
2682 | /* h->dynindx may be -1 if this symbol was marked to | |
2683 | become local. */ | |
2684 | if (h == NULL | |
2685 | || ((info->symbolic || h->dynindx == -1) | |
2686 | && h->def_regular)) | |
2687 | { | |
2688 | relocate = TRUE; | |
2689 | outrel.r_info = ELF32_R_INFO (0, R_M32R_RELATIVE); | |
2690 | outrel.r_addend = relocation + rel->r_addend; | |
2691 | } | |
2692 | else | |
2693 | { | |
2694 | BFD_ASSERT (h->dynindx != -1); | |
2695 | outrel.r_info = ELF32_R_INFO (h->dynindx, r_type); | |
2696 | outrel.r_addend = relocation + rel->r_addend; | |
2697 | } | |
2698 | } | |
2699 | ||
2700 | loc = sreloc->contents; | |
2701 | loc += sreloc->reloc_count * sizeof (Elf32_External_Rela); | |
2702 | bfd_elf32_swap_reloca_out (output_bfd, &outrel,loc); | |
2703 | ++sreloc->reloc_count; | |
2704 | ||
2705 | /* If this reloc is against an external symbol, we do | |
2706 | not want to fiddle with the addend. Otherwise, we | |
2707 | need to include the symbol value so that it becomes | |
2708 | an addend for the dynamic reloc. */ | |
2709 | if (! relocate) | |
2710 | continue; | |
8ce757c4 | 2711 | break; |
07d6d2b8 | 2712 | } |
8ce757c4 NC |
2713 | else if (r_type != R_M32R_10_PCREL_RELA) |
2714 | break; | |
2715 | /* Fall through. */ | |
41978308 | 2716 | |
252b5132 RH |
2717 | case (int) R_M32R_10_PCREL : |
2718 | r = m32r_elf_do_10_pcrel_reloc (input_bfd, howto, input_section, | |
2719 | contents, offset, | |
2720 | sec, relocation, addend); | |
07d6d2b8 | 2721 | goto check_reloc; |
252b5132 RH |
2722 | |
2723 | case (int) R_M32R_HI16_SLO : | |
2724 | case (int) R_M32R_HI16_ULO : | |
2725 | { | |
2726 | Elf_Internal_Rela *lorel; | |
2727 | ||
2728 | /* We allow an arbitrary number of HI16 relocs before the | |
2729 | LO16 reloc. This permits gcc to emit the HI and LO relocs | |
2730 | itself. */ | |
2731 | for (lorel = rel + 1; | |
2732 | (lorel < relend | |
2733 | && (ELF32_R_TYPE (lorel->r_info) == R_M32R_HI16_SLO | |
2734 | || ELF32_R_TYPE (lorel->r_info) == R_M32R_HI16_ULO)); | |
2735 | lorel++) | |
2736 | continue; | |
2737 | if (lorel < relend | |
2738 | && ELF32_R_TYPE (lorel->r_info) == R_M32R_LO16) | |
2739 | { | |
2740 | m32r_elf_relocate_hi16 (input_bfd, r_type, rel, lorel, | |
2741 | contents, relocation + addend); | |
2742 | r = bfd_reloc_ok; | |
2743 | } | |
2744 | else | |
2745 | r = _bfd_final_link_relocate (howto, input_bfd, input_section, | |
2746 | contents, offset, | |
2747 | relocation, addend); | |
2748 | } | |
6edf0760 | 2749 | |
07d6d2b8 | 2750 | goto check_reloc; |
252b5132 | 2751 | |
07d6d2b8 | 2752 | case (int) R_M32R_SDA16_RELA: |
252b5132 RH |
2753 | case (int) R_M32R_SDA16 : |
2754 | { | |
2755 | const char *name; | |
2756 | ||
2757 | BFD_ASSERT (sec != NULL); | |
fd361982 | 2758 | name = bfd_section_name (sec); |
252b5132 | 2759 | |
47b0e7ad | 2760 | if ( strcmp (name, ".sdata") == 0 |
252b5132 RH |
2761 | || strcmp (name, ".sbss") == 0 |
2762 | || strcmp (name, ".scommon") == 0) | |
2763 | { | |
2764 | bfd_vma sda_base; | |
2765 | bfd *out_bfd = sec->output_section->owner; | |
2766 | ||
2767 | r = m32r_elf_final_sda_base (out_bfd, info, | |
2768 | &errmsg, | |
2769 | &sda_base); | |
2770 | if (r != bfd_reloc_ok) | |
2771 | { | |
b34976b6 | 2772 | ret = FALSE; |
252b5132 RH |
2773 | goto check_reloc; |
2774 | } | |
2775 | ||
2776 | /* At this point `relocation' contains the object's | |
2777 | address. */ | |
2778 | relocation -= sda_base; | |
2779 | /* Now it contains the offset from _SDA_BASE_. */ | |
2780 | } | |
2781 | else | |
2782 | { | |
4eca0228 | 2783 | _bfd_error_handler |
695344c0 | 2784 | /* xgettext:c-format */ |
38f14ab8 AM |
2785 | (_("%pB: the target (%s) of an %s relocation" |
2786 | " is in the wrong section (%pA)"), | |
d003868e | 2787 | input_bfd, |
8f615d07 | 2788 | sym_name, |
c08bb8dd AM |
2789 | m32r_elf_howto_table[(int) r_type].name, |
2790 | sec); | |
252b5132 | 2791 | /*bfd_set_error (bfd_error_bad_value); ??? why? */ |
b34976b6 | 2792 | ret = FALSE; |
252b5132 RH |
2793 | continue; |
2794 | } | |
2795 | } | |
07d6d2b8 | 2796 | /* Fall through. */ |
6edf0760 NC |
2797 | |
2798 | default : /* OLD_M32R_RELOC */ | |
252b5132 | 2799 | |
252b5132 RH |
2800 | r = _bfd_final_link_relocate (howto, input_bfd, input_section, |
2801 | contents, offset, | |
2802 | relocation, addend); | |
6edf0760 | 2803 | goto check_reloc; |
252b5132 | 2804 | } |
6edf0760 | 2805 | |
07d6d2b8 AM |
2806 | r = _bfd_final_link_relocate (howto, input_bfd, input_section, |
2807 | contents, rel->r_offset, | |
2808 | relocation, rel->r_addend); | |
6edf0760 | 2809 | |
252b5132 RH |
2810 | } |
2811 | ||
2812 | check_reloc: | |
2813 | ||
2814 | if (r != bfd_reloc_ok) | |
2815 | { | |
2816 | /* FIXME: This should be generic enough to go in a utility. */ | |
2817 | const char *name; | |
2818 | ||
2819 | if (h != NULL) | |
2820 | name = h->root.root.string; | |
2821 | else | |
2822 | { | |
2823 | name = (bfd_elf_string_from_elf_section | |
2824 | (input_bfd, symtab_hdr->sh_link, sym->st_name)); | |
2825 | if (name == NULL || *name == '\0') | |
fd361982 | 2826 | name = bfd_section_name (sec); |
252b5132 RH |
2827 | } |
2828 | ||
2829 | if (errmsg != NULL) | |
2830 | goto common_error; | |
2831 | ||
2832 | switch (r) | |
2833 | { | |
2834 | case bfd_reloc_overflow: | |
1a72702b AM |
2835 | (*info->callbacks->reloc_overflow) |
2836 | (info, (h ? &h->root : NULL), name, howto->name, | |
2837 | (bfd_vma) 0, input_bfd, input_section, offset); | |
252b5132 RH |
2838 | break; |
2839 | ||
2840 | case bfd_reloc_undefined: | |
1a72702b AM |
2841 | (*info->callbacks->undefined_symbol) |
2842 | (info, name, input_bfd, input_section, offset, TRUE); | |
252b5132 RH |
2843 | break; |
2844 | ||
2845 | case bfd_reloc_outofrange: | |
2846 | errmsg = _("internal error: out of range error"); | |
2847 | goto common_error; | |
2848 | ||
2849 | case bfd_reloc_notsupported: | |
2850 | errmsg = _("internal error: unsupported relocation error"); | |
2851 | goto common_error; | |
2852 | ||
2853 | case bfd_reloc_dangerous: | |
2854 | errmsg = _("internal error: dangerous error"); | |
2855 | goto common_error; | |
2856 | ||
2857 | default: | |
2858 | errmsg = _("internal error: unknown error"); | |
2859 | /* fall through */ | |
2860 | ||
2861 | common_error: | |
1a72702b AM |
2862 | (*info->callbacks->warning) (info, errmsg, name, input_bfd, |
2863 | input_section, offset); | |
252b5132 RH |
2864 | break; |
2865 | } | |
2866 | } | |
2867 | } | |
2868 | ||
2869 | return ret; | |
2870 | } | |
6edf0760 NC |
2871 | |
2872 | /* Finish up dynamic symbol handling. We set the contents of various | |
2873 | dynamic sections here. */ | |
47b0e7ad | 2874 | |
6edf0760 | 2875 | static bfd_boolean |
47b0e7ad NC |
2876 | m32r_elf_finish_dynamic_symbol (bfd *output_bfd, |
2877 | struct bfd_link_info *info, | |
2878 | struct elf_link_hash_entry *h, | |
2879 | Elf_Internal_Sym *sym) | |
6edf0760 | 2880 | { |
f1dfbfdb | 2881 | struct elf_link_hash_table *htab; |
6edf0760 | 2882 | bfd_byte *loc; |
41978308 | 2883 | |
6edf0760 | 2884 | #ifdef DEBUG_PIC |
47b0e7ad | 2885 | printf ("m32r_elf_finish_dynamic_symbol()\n"); |
6edf0760 | 2886 | #endif |
41978308 | 2887 | |
6edf0760 | 2888 | htab = m32r_elf_hash_table (info); |
4dfe6ac6 NC |
2889 | if (htab == NULL) |
2890 | return FALSE; | |
2891 | ||
6edf0760 NC |
2892 | if (h->plt.offset != (bfd_vma) -1) |
2893 | { | |
2894 | asection *splt; | |
2895 | asection *sgot; | |
2896 | asection *srela; | |
2897 | ||
2898 | bfd_vma plt_index; | |
2899 | bfd_vma got_offset; | |
2900 | Elf_Internal_Rela rela; | |
41978308 | 2901 | |
6edf0760 | 2902 | /* This symbol has an entry in the procedure linkage table. Set |
07d6d2b8 | 2903 | it up. */ |
41978308 | 2904 | |
6edf0760 | 2905 | BFD_ASSERT (h->dynindx != -1); |
41978308 | 2906 | |
f1dfbfdb L |
2907 | splt = htab->splt; |
2908 | sgot = htab->sgotplt; | |
2909 | srela = htab->srelplt; | |
6edf0760 NC |
2910 | BFD_ASSERT (splt != NULL && sgot != NULL && srela != NULL); |
2911 | ||
2912 | /* Get the index in the procedure linkage table which | |
07d6d2b8 AM |
2913 | corresponds to this symbol. This is the index of this symbol |
2914 | in all the symbols for which we are making plt entries. The | |
2915 | first entry in the procedure linkage table is reserved. */ | |
6edf0760 NC |
2916 | plt_index = h->plt.offset / PLT_ENTRY_SIZE - 1; |
2917 | ||
2918 | /* Get the offset into the .got table of the entry that | |
07d6d2b8 AM |
2919 | corresponds to this function. Each .got entry is 4 bytes. |
2920 | The first three are reserved. */ | |
6edf0760 NC |
2921 | got_offset = (plt_index + 3) * 4; |
2922 | ||
2923 | /* Fill in the entry in the procedure linkage table. */ | |
0e1862bb | 2924 | if (! bfd_link_pic (info)) |
07d6d2b8 AM |
2925 | { |
2926 | bfd_put_32 (output_bfd, | |
2927 | (PLT_ENTRY_WORD0b | |
2928 | + (((sgot->output_section->vma | |
2929 | + sgot->output_offset | |
2930 | + got_offset) >> 16) & 0xffff)), | |
2931 | splt->contents + h->plt.offset); | |
2932 | bfd_put_32 (output_bfd, | |
2933 | (PLT_ENTRY_WORD1b | |
2934 | + ((sgot->output_section->vma | |
2935 | + sgot->output_offset | |
2936 | + got_offset) & 0xffff)), | |
2937 | splt->contents + h->plt.offset + 4); | |
2938 | bfd_put_32 (output_bfd, PLT_ENTRY_WORD2, | |
2939 | splt->contents + h->plt.offset + 8); | |
2940 | bfd_put_32 (output_bfd, | |
2941 | (PLT_ENTRY_WORD3 | |
2942 | + plt_index * sizeof (Elf32_External_Rela)), | |
2943 | splt->contents + h->plt.offset + 12); | |
2944 | bfd_put_32 (output_bfd, | |
2945 | (PLT_ENTRY_WORD4 | |
2946 | + (((unsigned int) ((- (h->plt.offset + 16)) >> 2)) & 0xffffff)), | |
2947 | splt->contents + h->plt.offset + 16); | |
2948 | } | |
6edf0760 | 2949 | else |
07d6d2b8 AM |
2950 | { |
2951 | bfd_put_32 (output_bfd, | |
2952 | PLT_ENTRY_WORD0 + got_offset, | |
2953 | splt->contents + h->plt.offset); | |
2954 | bfd_put_32 (output_bfd, PLT_ENTRY_WORD1, | |
2955 | splt->contents + h->plt.offset + 4); | |
2956 | bfd_put_32 (output_bfd, PLT_ENTRY_WORD2, | |
2957 | splt->contents + h->plt.offset + 8); | |
2958 | bfd_put_32 (output_bfd, | |
2959 | (PLT_ENTRY_WORD3 | |
2960 | + plt_index * sizeof (Elf32_External_Rela)), | |
2961 | splt->contents + h->plt.offset + 12); | |
2962 | bfd_put_32 (output_bfd, | |
2963 | (PLT_ENTRY_WORD4 | |
2964 | + (((unsigned int) ((- (h->plt.offset + 16)) >> 2)) & 0xffffff)), | |
2965 | splt->contents + h->plt.offset + 16); | |
2966 | } | |
41978308 | 2967 | |
6edf0760 NC |
2968 | /* Fill in the entry in the global offset table. */ |
2969 | bfd_put_32 (output_bfd, | |
07d6d2b8 AM |
2970 | (splt->output_section->vma |
2971 | + splt->output_offset | |
2972 | + h->plt.offset | |
2973 | + 12), /* same offset */ | |
2974 | sgot->contents + got_offset); | |
6edf0760 NC |
2975 | |
2976 | /* Fill in the entry in the .rela.plt section. */ | |
2977 | rela.r_offset = (sgot->output_section->vma | |
07d6d2b8 AM |
2978 | + sgot->output_offset |
2979 | + got_offset); | |
6edf0760 NC |
2980 | rela.r_info = ELF32_R_INFO (h->dynindx, R_M32R_JMP_SLOT); |
2981 | rela.r_addend = 0; | |
2982 | loc = srela->contents; | |
47b0e7ad | 2983 | loc += plt_index * sizeof (Elf32_External_Rela); |
6edf0760 | 2984 | bfd_elf32_swap_reloca_out (output_bfd, &rela, loc); |
41978308 | 2985 | |
f5385ebf | 2986 | if (!h->def_regular) |
07d6d2b8 AM |
2987 | { |
2988 | /* Mark the symbol as undefined, rather than as defined in | |
2989 | the .plt section. Leave the value alone. */ | |
2990 | sym->st_shndx = SHN_UNDEF; | |
2991 | } | |
6edf0760 NC |
2992 | } |
2993 | ||
2994 | if (h->got.offset != (bfd_vma) -1) | |
2995 | { | |
2996 | asection *sgot; | |
2997 | asection *srela; | |
2998 | Elf_Internal_Rela rela; | |
41978308 | 2999 | |
6edf0760 | 3000 | /* This symbol has an entry in the global offset table. Set it |
07d6d2b8 | 3001 | up. */ |
41978308 | 3002 | |
f1dfbfdb L |
3003 | sgot = htab->sgot; |
3004 | srela = htab->srelgot; | |
6edf0760 | 3005 | BFD_ASSERT (sgot != NULL && srela != NULL); |
41978308 | 3006 | |
6edf0760 | 3007 | rela.r_offset = (sgot->output_section->vma |
07d6d2b8 AM |
3008 | + sgot->output_offset |
3009 | + (h->got.offset &~ 1)); | |
41978308 | 3010 | |
6edf0760 | 3011 | /* If this is a -Bsymbolic link, and the symbol is defined |
07d6d2b8 AM |
3012 | locally, we just want to emit a RELATIVE reloc. Likewise if |
3013 | the symbol was forced to be local because of a version file. | |
3014 | The entry in the global offset table will already have been | |
3015 | initialized in the relocate_section function. */ | |
0e1862bb | 3016 | if (bfd_link_pic (info) |
07d6d2b8 | 3017 | && (info->symbolic |
6edf0760 | 3018 | || h->dynindx == -1 |
f5385ebf | 3019 | || h->forced_local) |
07d6d2b8 AM |
3020 | && h->def_regular) |
3021 | { | |
3022 | rela.r_info = ELF32_R_INFO (0, R_M32R_RELATIVE); | |
3023 | rela.r_addend = (h->root.u.def.value | |
3024 | + h->root.u.def.section->output_section->vma | |
3025 | + h->root.u.def.section->output_offset); | |
3026 | } | |
6edf0760 | 3027 | else |
07d6d2b8 | 3028 | { |
47b0e7ad | 3029 | BFD_ASSERT ((h->got.offset & 1) == 0); |
07d6d2b8 AM |
3030 | bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset); |
3031 | rela.r_info = ELF32_R_INFO (h->dynindx, R_M32R_GLOB_DAT); | |
3032 | rela.r_addend = 0; | |
3033 | } | |
41978308 | 3034 | |
6edf0760 | 3035 | loc = srela->contents; |
47b0e7ad | 3036 | loc += srela->reloc_count * sizeof (Elf32_External_Rela); |
6edf0760 NC |
3037 | bfd_elf32_swap_reloca_out (output_bfd, &rela, loc); |
3038 | ++srela->reloc_count; | |
3039 | } | |
41978308 | 3040 | |
f5385ebf | 3041 | if (h->needs_copy) |
6edf0760 NC |
3042 | { |
3043 | asection *s; | |
3044 | Elf_Internal_Rela rela; | |
41978308 | 3045 | |
6edf0760 | 3046 | /* This symbols needs a copy reloc. Set it up. */ |
41978308 | 3047 | |
6edf0760 | 3048 | BFD_ASSERT (h->dynindx != -1 |
07d6d2b8 AM |
3049 | && (h->root.type == bfd_link_hash_defined |
3050 | || h->root.type == bfd_link_hash_defweak)); | |
41978308 | 3051 | |
f1dfbfdb | 3052 | s = bfd_get_linker_section (htab->dynobj, ".rela.bss"); |
6edf0760 | 3053 | BFD_ASSERT (s != NULL); |
41978308 | 3054 | |
6edf0760 | 3055 | rela.r_offset = (h->root.u.def.value |
07d6d2b8 AM |
3056 | + h->root.u.def.section->output_section->vma |
3057 | + h->root.u.def.section->output_offset); | |
6edf0760 NC |
3058 | rela.r_info = ELF32_R_INFO (h->dynindx, R_M32R_COPY); |
3059 | rela.r_addend = 0; | |
3060 | loc = s->contents; | |
47b0e7ad | 3061 | loc += s->reloc_count * sizeof (Elf32_External_Rela); |
6edf0760 NC |
3062 | bfd_elf32_swap_reloca_out (output_bfd, &rela, loc); |
3063 | ++s->reloc_count; | |
3064 | } | |
41978308 | 3065 | |
6edf0760 | 3066 | /* Mark some specially defined symbols as absolute. */ |
f1dfbfdb | 3067 | if (h == htab->hdynamic || h == htab->hgot) |
6edf0760 | 3068 | sym->st_shndx = SHN_ABS; |
41978308 | 3069 | |
6edf0760 NC |
3070 | return TRUE; |
3071 | } | |
3072 | ||
3073 | ||
3074 | /* Finish up the dynamic sections. */ | |
41978308 | 3075 | |
6edf0760 | 3076 | static bfd_boolean |
47b0e7ad NC |
3077 | m32r_elf_finish_dynamic_sections (bfd *output_bfd, |
3078 | struct bfd_link_info *info) | |
6edf0760 | 3079 | { |
f1dfbfdb | 3080 | struct elf_link_hash_table *htab; |
6edf0760 NC |
3081 | bfd *dynobj; |
3082 | asection *sdyn; | |
3083 | asection *sgot; | |
3084 | ||
3085 | #ifdef DEBUG_PIC | |
47b0e7ad | 3086 | printf ("m32r_elf_finish_dynamic_sections()\n"); |
6edf0760 | 3087 | #endif |
41978308 | 3088 | |
6edf0760 | 3089 | htab = m32r_elf_hash_table (info); |
4dfe6ac6 NC |
3090 | if (htab == NULL) |
3091 | return FALSE; | |
3092 | ||
f1dfbfdb | 3093 | dynobj = htab->dynobj; |
6edf0760 | 3094 | |
f1dfbfdb | 3095 | sgot = htab->sgotplt; |
3d4d4302 | 3096 | sdyn = bfd_get_linker_section (dynobj, ".dynamic"); |
41978308 | 3097 | |
f1dfbfdb | 3098 | if (htab->dynamic_sections_created) |
6edf0760 NC |
3099 | { |
3100 | asection *splt; | |
3101 | Elf32_External_Dyn *dyncon, *dynconend; | |
41978308 | 3102 | |
6edf0760 | 3103 | BFD_ASSERT (sgot != NULL && sdyn != NULL); |
41978308 | 3104 | |
6edf0760 | 3105 | dyncon = (Elf32_External_Dyn *) sdyn->contents; |
eea6121a | 3106 | dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size); |
6edf0760 NC |
3107 | |
3108 | for (; dyncon < dynconend; dyncon++) | |
07d6d2b8 AM |
3109 | { |
3110 | Elf_Internal_Dyn dyn; | |
3111 | asection *s; | |
3112 | ||
3113 | bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn); | |
3114 | ||
3115 | switch (dyn.d_tag) | |
3116 | { | |
3117 | default: | |
3118 | break; | |
3119 | ||
3120 | case DT_PLTGOT: | |
f1dfbfdb | 3121 | s = htab->sgotplt; |
07d6d2b8 AM |
3122 | goto get_vma; |
3123 | case DT_JMPREL: | |
f1dfbfdb | 3124 | s = htab->srelplt; |
07d6d2b8 AM |
3125 | get_vma: |
3126 | dyn.d_un.d_ptr = s->output_section->vma + s->output_offset; | |
3127 | bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon); | |
3128 | break; | |
3129 | ||
3130 | case DT_PLTRELSZ: | |
f1dfbfdb | 3131 | s = htab->srelplt; |
eea6121a | 3132 | dyn.d_un.d_val = s->size; |
07d6d2b8 AM |
3133 | bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon); |
3134 | break; | |
3135 | } | |
3136 | } | |
41978308 | 3137 | |
6edf0760 | 3138 | /* Fill in the first entry in the procedure linkage table. */ |
f1dfbfdb | 3139 | splt = htab->splt; |
eea6121a | 3140 | if (splt && splt->size > 0) |
07d6d2b8 AM |
3141 | { |
3142 | if (bfd_link_pic (info)) | |
3143 | { | |
3144 | bfd_put_32 (output_bfd, PLT0_PIC_ENTRY_WORD0, splt->contents); | |
3145 | bfd_put_32 (output_bfd, PLT0_PIC_ENTRY_WORD1, splt->contents + 4); | |
3146 | bfd_put_32 (output_bfd, PLT0_PIC_ENTRY_WORD2, splt->contents + 8); | |
3147 | bfd_put_32 (output_bfd, PLT0_PIC_ENTRY_WORD3, splt->contents + 12); | |
3148 | bfd_put_32 (output_bfd, PLT0_PIC_ENTRY_WORD4, splt->contents + 16); | |
3149 | } | |
3150 | else | |
3151 | { | |
3152 | unsigned long addr; | |
3153 | /* addr = .got + 4 */ | |
3154 | addr = sgot->output_section->vma + sgot->output_offset + 4; | |
3155 | bfd_put_32 (output_bfd, | |
6edf0760 NC |
3156 | PLT0_ENTRY_WORD0 | ((addr >> 16) & 0xffff), |
3157 | splt->contents); | |
07d6d2b8 | 3158 | bfd_put_32 (output_bfd, |
6edf0760 NC |
3159 | PLT0_ENTRY_WORD1 | (addr & 0xffff), |
3160 | splt->contents + 4); | |
07d6d2b8 AM |
3161 | bfd_put_32 (output_bfd, PLT0_ENTRY_WORD2, splt->contents + 8); |
3162 | bfd_put_32 (output_bfd, PLT0_ENTRY_WORD3, splt->contents + 12); | |
3163 | bfd_put_32 (output_bfd, PLT0_ENTRY_WORD4, splt->contents + 16); | |
3164 | } | |
3165 | ||
3166 | elf_section_data (splt->output_section)->this_hdr.sh_entsize = | |
3167 | PLT_ENTRY_SIZE; | |
3168 | } | |
6edf0760 NC |
3169 | } |
3170 | ||
3171 | /* Fill in the first three entries in the global offset table. */ | |
eea6121a | 3172 | if (sgot && sgot->size > 0) |
6edf0760 NC |
3173 | { |
3174 | if (sdyn == NULL) | |
07d6d2b8 | 3175 | bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents); |
6edf0760 | 3176 | else |
07d6d2b8 AM |
3177 | bfd_put_32 (output_bfd, |
3178 | sdyn->output_section->vma + sdyn->output_offset, | |
3179 | sgot->contents); | |
6edf0760 NC |
3180 | bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 4); |
3181 | bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 8); | |
3182 | ||
3183 | elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 4; | |
3184 | } | |
41978308 | 3185 | |
6edf0760 NC |
3186 | return TRUE; |
3187 | } | |
3188 | ||
252b5132 RH |
3189 | \f |
3190 | /* Set the right machine number. */ | |
47b0e7ad | 3191 | |
b34976b6 | 3192 | static bfd_boolean |
47b0e7ad | 3193 | m32r_elf_object_p (bfd *abfd) |
252b5132 RH |
3194 | { |
3195 | switch (elf_elfheader (abfd)->e_flags & EF_M32R_ARCH) | |
3196 | { | |
3197 | default: | |
3198 | case E_M32R_ARCH: (void) bfd_default_set_arch_mach (abfd, bfd_arch_m32r, bfd_mach_m32r); break; | |
e916b64e | 3199 | case E_M32RX_ARCH: (void) bfd_default_set_arch_mach (abfd, bfd_arch_m32r, bfd_mach_m32rx); break; |
88845958 | 3200 | case E_M32R2_ARCH: (void) bfd_default_set_arch_mach (abfd, bfd_arch_m32r, bfd_mach_m32r2); break; |
252b5132 | 3201 | } |
b34976b6 | 3202 | return TRUE; |
252b5132 RH |
3203 | } |
3204 | ||
3205 | /* Store the machine number in the flags field. */ | |
47b0e7ad | 3206 | |
cc364be6 AM |
3207 | static bfd_boolean |
3208 | m32r_elf_final_write_processing (bfd *abfd) | |
252b5132 RH |
3209 | { |
3210 | unsigned long val; | |
3211 | ||
3212 | switch (bfd_get_mach (abfd)) | |
3213 | { | |
3214 | default: | |
3215 | case bfd_mach_m32r: val = E_M32R_ARCH; break; | |
e916b64e | 3216 | case bfd_mach_m32rx: val = E_M32RX_ARCH; break; |
88845958 | 3217 | case bfd_mach_m32r2: val = E_M32R2_ARCH; break; |
252b5132 RH |
3218 | } |
3219 | ||
3220 | elf_elfheader (abfd)->e_flags &=~ EF_M32R_ARCH; | |
3221 | elf_elfheader (abfd)->e_flags |= val; | |
cc364be6 | 3222 | return _bfd_elf_final_write_processing (abfd); |
252b5132 RH |
3223 | } |
3224 | ||
c3668558 | 3225 | /* Function to keep M32R specific file flags. */ |
47b0e7ad | 3226 | |
b34976b6 | 3227 | static bfd_boolean |
47b0e7ad | 3228 | m32r_elf_set_private_flags (bfd *abfd, flagword flags) |
252b5132 RH |
3229 | { |
3230 | BFD_ASSERT (!elf_flags_init (abfd) | |
3231 | || elf_elfheader (abfd)->e_flags == flags); | |
3232 | ||
3233 | elf_elfheader (abfd)->e_flags = flags; | |
b34976b6 AM |
3234 | elf_flags_init (abfd) = TRUE; |
3235 | return TRUE; | |
252b5132 RH |
3236 | } |
3237 | ||
252b5132 RH |
3238 | /* Merge backend specific data from an object file to the output |
3239 | object file when linking. */ | |
47b0e7ad | 3240 | |
b34976b6 | 3241 | static bfd_boolean |
50e03d47 | 3242 | m32r_elf_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info) |
252b5132 | 3243 | { |
50e03d47 | 3244 | bfd *obfd = info->output_bfd; |
252b5132 RH |
3245 | flagword out_flags; |
3246 | flagword in_flags; | |
3247 | ||
3248 | if ( bfd_get_flavour (ibfd) != bfd_target_elf_flavour | |
3249 | || bfd_get_flavour (obfd) != bfd_target_elf_flavour) | |
b34976b6 | 3250 | return TRUE; |
252b5132 RH |
3251 | |
3252 | in_flags = elf_elfheader (ibfd)->e_flags; | |
3253 | out_flags = elf_elfheader (obfd)->e_flags; | |
3254 | ||
3255 | if (! elf_flags_init (obfd)) | |
3256 | { | |
3257 | /* If the input is the default architecture then do not | |
3258 | bother setting the flags for the output architecture, | |
3259 | instead allow future merges to do this. If no future | |
3260 | merges ever set these flags then they will retain their | |
3261 | unitialised values, which surprise surprise, correspond | |
3262 | to the default values. */ | |
3263 | if (bfd_get_arch_info (ibfd)->the_default) | |
b34976b6 | 3264 | return TRUE; |
c3668558 | 3265 | |
b34976b6 | 3266 | elf_flags_init (obfd) = TRUE; |
252b5132 RH |
3267 | elf_elfheader (obfd)->e_flags = in_flags; |
3268 | ||
3269 | if (bfd_get_arch (obfd) == bfd_get_arch (ibfd) | |
3270 | && bfd_get_arch_info (obfd)->the_default) | |
47b0e7ad NC |
3271 | return bfd_set_arch_mach (obfd, bfd_get_arch (ibfd), |
3272 | bfd_get_mach (ibfd)); | |
252b5132 | 3273 | |
b34976b6 | 3274 | return TRUE; |
252b5132 RH |
3275 | } |
3276 | ||
3277 | /* Check flag compatibility. */ | |
3278 | if (in_flags == out_flags) | |
b34976b6 | 3279 | return TRUE; |
252b5132 RH |
3280 | |
3281 | if ((in_flags & EF_M32R_ARCH) != (out_flags & EF_M32R_ARCH)) | |
3282 | { | |
88845958 | 3283 | if ( ((in_flags & EF_M32R_ARCH) != E_M32R_ARCH) |
07d6d2b8 AM |
3284 | || ((out_flags & EF_M32R_ARCH) == E_M32R_ARCH) |
3285 | || ((in_flags & EF_M32R_ARCH) == E_M32R2_ARCH)) | |
252b5132 | 3286 | { |
4eca0228 | 3287 | _bfd_error_handler |
38f14ab8 | 3288 | (_("%pB: instruction set mismatch with previous modules"), ibfd); |
252b5132 RH |
3289 | |
3290 | bfd_set_error (bfd_error_bad_value); | |
b34976b6 | 3291 | return FALSE; |
252b5132 RH |
3292 | } |
3293 | } | |
3294 | ||
b34976b6 | 3295 | return TRUE; |
252b5132 RH |
3296 | } |
3297 | ||
47b0e7ad NC |
3298 | /* Display the flags field. */ |
3299 | ||
b34976b6 | 3300 | static bfd_boolean |
47b0e7ad | 3301 | m32r_elf_print_private_bfd_data (bfd *abfd, void * ptr) |
252b5132 RH |
3302 | { |
3303 | FILE * file = (FILE *) ptr; | |
c3668558 | 3304 | |
f12123c0 | 3305 | BFD_ASSERT (abfd != NULL && ptr != NULL); |
c3668558 | 3306 | |
252b5132 | 3307 | _bfd_elf_print_private_bfd_data (abfd, ptr); |
c3668558 | 3308 | |
252b5132 | 3309 | fprintf (file, _("private flags = %lx"), elf_elfheader (abfd)->e_flags); |
c3668558 | 3310 | |
252b5132 RH |
3311 | switch (elf_elfheader (abfd)->e_flags & EF_M32R_ARCH) |
3312 | { | |
3313 | default: | |
3314 | case E_M32R_ARCH: fprintf (file, _(": m32r instructions")); break; | |
e916b64e | 3315 | case E_M32RX_ARCH: fprintf (file, _(": m32rx instructions")); break; |
88845958 | 3316 | case E_M32R2_ARCH: fprintf (file, _(": m32r2 instructions")); break; |
252b5132 | 3317 | } |
c3668558 | 3318 | |
252b5132 | 3319 | fputc ('\n', file); |
c3668558 | 3320 | |
b34976b6 | 3321 | return TRUE; |
252b5132 RH |
3322 | } |
3323 | ||
47b0e7ad NC |
3324 | static asection * |
3325 | m32r_elf_gc_mark_hook (asection *sec, | |
07adf181 | 3326 | struct bfd_link_info *info, |
47b0e7ad NC |
3327 | Elf_Internal_Rela *rel, |
3328 | struct elf_link_hash_entry *h, | |
3329 | Elf_Internal_Sym *sym) | |
252b5132 RH |
3330 | { |
3331 | if (h != NULL) | |
07adf181 | 3332 | switch (ELF32_R_TYPE (rel->r_info)) |
252b5132 RH |
3333 | { |
3334 | case R_M32R_GNU_VTINHERIT: | |
3335 | case R_M32R_GNU_VTENTRY: | |
6edf0760 NC |
3336 | case R_M32R_RELA_GNU_VTINHERIT: |
3337 | case R_M32R_RELA_GNU_VTENTRY: | |
07adf181 AM |
3338 | return NULL; |
3339 | } | |
1e2f5b6e | 3340 | |
07adf181 | 3341 | return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym); |
252b5132 RH |
3342 | } |
3343 | ||
252b5132 RH |
3344 | /* Look through the relocs for a section during the first phase. |
3345 | Since we don't do .gots or .plts, we just need to consider the | |
3346 | virtual table relocs for gc. */ | |
c3668558 | 3347 | |
b34976b6 | 3348 | static bfd_boolean |
47b0e7ad NC |
3349 | m32r_elf_check_relocs (bfd *abfd, |
3350 | struct bfd_link_info *info, | |
3351 | asection *sec, | |
3352 | const Elf_Internal_Rela *relocs) | |
252b5132 RH |
3353 | { |
3354 | Elf_Internal_Shdr *symtab_hdr; | |
5582a088 | 3355 | struct elf_link_hash_entry **sym_hashes; |
252b5132 RH |
3356 | const Elf_Internal_Rela *rel; |
3357 | const Elf_Internal_Rela *rel_end; | |
f1dfbfdb | 3358 | struct elf_link_hash_table *htab; |
6edf0760 | 3359 | bfd *dynobj; |
c7e2358a | 3360 | asection *sreloc; |
c3668558 | 3361 | |
0e1862bb | 3362 | if (bfd_link_relocatable (info)) |
b34976b6 | 3363 | return TRUE; |
c3668558 | 3364 | |
c7e2358a | 3365 | sreloc = NULL; |
252b5132 RH |
3366 | symtab_hdr = &elf_tdata (abfd)->symtab_hdr; |
3367 | sym_hashes = elf_sym_hashes (abfd); | |
c3668558 | 3368 | |
6edf0760 | 3369 | htab = m32r_elf_hash_table (info); |
4dfe6ac6 NC |
3370 | if (htab == NULL) |
3371 | return FALSE; | |
3372 | ||
f1dfbfdb | 3373 | dynobj = htab->dynobj; |
6edf0760 | 3374 | |
252b5132 RH |
3375 | rel_end = relocs + sec->reloc_count; |
3376 | for (rel = relocs; rel < rel_end; rel++) | |
3377 | { | |
6edf0760 | 3378 | int r_type; |
252b5132 RH |
3379 | struct elf_link_hash_entry *h; |
3380 | unsigned long r_symndx; | |
c3668558 | 3381 | |
252b5132 | 3382 | r_symndx = ELF32_R_SYM (rel->r_info); |
6edf0760 | 3383 | r_type = ELF32_R_TYPE (rel->r_info); |
252b5132 | 3384 | if (r_symndx < symtab_hdr->sh_info) |
07d6d2b8 | 3385 | h = NULL; |
252b5132 | 3386 | else |
973a3492 L |
3387 | { |
3388 | h = sym_hashes[r_symndx - symtab_hdr->sh_info]; | |
3389 | while (h->root.type == bfd_link_hash_indirect | |
3390 | || h->root.type == bfd_link_hash_warning) | |
3391 | h = (struct elf_link_hash_entry *) h->root.u.i.link; | |
3392 | } | |
c3668558 | 3393 | |
6edf0760 | 3394 | /* Some relocs require a global offset table. */ |
f1dfbfdb | 3395 | if (htab->sgot == NULL) |
07d6d2b8 AM |
3396 | { |
3397 | switch (r_type) | |
3398 | { | |
3399 | case R_M32R_GOT16_HI_ULO: | |
3400 | case R_M32R_GOT16_HI_SLO: | |
3401 | case R_M32R_GOTOFF: | |
3402 | case R_M32R_GOTOFF_HI_ULO: | |
3403 | case R_M32R_GOTOFF_HI_SLO: | |
3404 | case R_M32R_GOTOFF_LO: | |
3405 | case R_M32R_GOT16_LO: | |
3406 | case R_M32R_GOTPC24: | |
3407 | case R_M32R_GOTPC_HI_ULO: | |
3408 | case R_M32R_GOTPC_HI_SLO: | |
3409 | case R_M32R_GOTPC_LO: | |
3410 | case R_M32R_GOT24: | |
3411 | if (dynobj == NULL) | |
f1dfbfdb | 3412 | htab->dynobj = dynobj = abfd; |
07d6d2b8 AM |
3413 | if (!_bfd_elf_create_got_section (dynobj, info)) |
3414 | return FALSE; | |
3415 | break; | |
3416 | ||
3417 | default: | |
3418 | break; | |
3419 | } | |
3420 | } | |
6edf0760 NC |
3421 | |
3422 | switch (r_type) | |
07d6d2b8 | 3423 | { |
6edf0760 NC |
3424 | case R_M32R_GOT16_HI_ULO: |
3425 | case R_M32R_GOT16_HI_SLO: | |
41978308 | 3426 | case R_M32R_GOT16_LO: |
07d6d2b8 AM |
3427 | case R_M32R_GOT24: |
3428 | ||
3429 | if (h != NULL) | |
3430 | h->got.refcount += 1; | |
3431 | else | |
3432 | { | |
3433 | bfd_signed_vma *local_got_refcounts; | |
3434 | ||
3435 | /* This is a global offset table entry for a local | |
3436 | symbol. */ | |
3437 | local_got_refcounts = elf_local_got_refcounts (abfd); | |
3438 | if (local_got_refcounts == NULL) | |
3439 | { | |
3440 | bfd_size_type size; | |
3441 | ||
3442 | size = symtab_hdr->sh_info; | |
3443 | size *= sizeof (bfd_signed_vma); | |
3444 | local_got_refcounts = bfd_zalloc (abfd, size); | |
3445 | if (local_got_refcounts == NULL) | |
3446 | return FALSE; | |
3447 | elf_local_got_refcounts (abfd) = local_got_refcounts; | |
3448 | } | |
3449 | local_got_refcounts[r_symndx] += 1; | |
3450 | } | |
3451 | break; | |
3452 | ||
3453 | case R_M32R_26_PLTREL: | |
3454 | /* This symbol requires a procedure linkage table entry. We | |
3455 | actually build the entry in adjust_dynamic_symbol, | |
3456 | because this might be a case of linking PIC code without | |
3457 | linking in any dynamic objects, in which case we don't | |
3458 | need to generate a procedure linkage table after all. */ | |
41978308 | 3459 | |
6edf0760 NC |
3460 | /* If this is a local symbol, we resolve it directly without |
3461 | creating a procedure linkage table entry. */ | |
07d6d2b8 AM |
3462 | if (h == NULL) |
3463 | continue; | |
6edf0760 | 3464 | |
07d6d2b8 AM |
3465 | if (h->forced_local) |
3466 | break; | |
6edf0760 | 3467 | |
07d6d2b8 | 3468 | h->needs_plt = 1; |
6edf0760 | 3469 | h->plt.refcount += 1; |
07d6d2b8 AM |
3470 | break; |
3471 | ||
3472 | case R_M32R_16_RELA: | |
3473 | case R_M32R_24_RELA: | |
3474 | case R_M32R_32_RELA: | |
3475 | case R_M32R_REL32: | |
3476 | case R_M32R_HI16_ULO_RELA: | |
3477 | case R_M32R_HI16_SLO_RELA: | |
3478 | case R_M32R_LO16_RELA: | |
3479 | case R_M32R_SDA16_RELA: | |
8ce757c4 | 3480 | case R_M32R_10_PCREL_RELA: |
07d6d2b8 AM |
3481 | case R_M32R_18_PCREL_RELA: |
3482 | case R_M32R_26_PCREL_RELA: | |
3483 | ||
3484 | if (h != NULL && !bfd_link_pic (info)) | |
3485 | { | |
3486 | h->non_got_ref = 1; | |
3487 | h->plt.refcount += 1; | |
3488 | } | |
3489 | ||
3490 | /* If we are creating a shared library, and this is a reloc | |
3491 | against a global symbol, or a non PC relative reloc | |
3492 | against a local symbol, then we need to copy the reloc | |
3493 | into the shared library. However, if we are linking with | |
3494 | -Bsymbolic, we do not need to copy a reloc against a | |
3495 | global symbol which is defined in an object we are | |
3496 | including in the link (i.e., DEF_REGULAR is set). At | |
3497 | this point we have not seen all the input files, so it is | |
3498 | possible that DEF_REGULAR is not set now but will be set | |
3499 | later (it is never cleared). We account for that | |
3500 | possibility below by storing information in the | |
3501 | dyn_relocs field of the hash table entry. A similar | |
3502 | situation occurs when creating shared libraries and symbol | |
3503 | visibility changes render the symbol local. | |
3504 | ||
3505 | If on the other hand, we are creating an executable, we | |
3506 | may need to keep relocations for symbols satisfied by a | |
3507 | dynamic library if we manage to avoid copy relocs for the | |
3508 | symbol. */ | |
3509 | if ((bfd_link_pic (info) | |
3510 | && (sec->flags & SEC_ALLOC) != 0 | |
8ce757c4 | 3511 | && (( r_type != R_M32R_26_PCREL_RELA |
07d6d2b8 AM |
3512 | && r_type != R_M32R_18_PCREL_RELA |
3513 | && r_type != R_M32R_10_PCREL_RELA | |
3514 | && r_type != R_M32R_REL32) | |
3515 | || (h != NULL | |
6edf0760 | 3516 | && (! info->symbolic |
07d6d2b8 AM |
3517 | || h->root.type == bfd_link_hash_defweak |
3518 | || !h->def_regular)))) | |
3519 | || (!bfd_link_pic (info) | |
3520 | && (sec->flags & SEC_ALLOC) != 0 | |
3521 | && h != NULL | |
3522 | && (h->root.type == bfd_link_hash_defweak | |
3523 | || !h->def_regular))) | |
3524 | { | |
3525 | struct elf_dyn_relocs *p; | |
3526 | struct elf_dyn_relocs **head; | |
3527 | ||
3528 | if (dynobj == NULL) | |
f1dfbfdb | 3529 | htab->dynobj = dynobj = abfd; |
07d6d2b8 AM |
3530 | |
3531 | /* When creating a shared object, we must copy these | |
3532 | relocs into the output file. We create a reloc | |
3533 | section in dynobj and make room for the reloc. */ | |
3534 | if (sreloc == NULL) | |
3535 | { | |
83bac4b0 NC |
3536 | sreloc = _bfd_elf_make_dynamic_reloc_section |
3537 | (sec, dynobj, 2, abfd, /*rela?*/ TRUE); | |
41978308 | 3538 | |
83bac4b0 NC |
3539 | if (sreloc == NULL) |
3540 | return FALSE; | |
07d6d2b8 AM |
3541 | } |
3542 | ||
3543 | /* If this is a global symbol, we count the number of | |
3544 | relocations we need for this symbol. */ | |
3545 | if (h != NULL) | |
190eb1dd | 3546 | head = &h->dyn_relocs; |
07d6d2b8 AM |
3547 | else |
3548 | { | |
3549 | /* Track dynamic relocs needed for local syms too. */ | |
3550 | asection *s; | |
3551 | void *vpp; | |
87d72d41 | 3552 | Elf_Internal_Sym *isym; |
6edf0760 | 3553 | |
87d72d41 AM |
3554 | isym = bfd_sym_from_r_symndx (&htab->sym_cache, |
3555 | abfd, r_symndx); | |
3556 | if (isym == NULL) | |
3557 | return FALSE; | |
3558 | ||
3559 | s = bfd_section_from_elf_index (abfd, isym->st_shndx); | |
3560 | if (s == NULL) | |
3561 | s = sec; | |
6edf0760 | 3562 | |
6edfbbad | 3563 | vpp = &elf_section_data (s)->local_dynrel; |
07d6d2b8 AM |
3564 | head = (struct elf_dyn_relocs **) vpp; |
3565 | } | |
3566 | ||
3567 | p = *head; | |
3568 | if (p == NULL || p->sec != sec) | |
3569 | { | |
986f0783 | 3570 | size_t amt = sizeof (*p); |
07d6d2b8 AM |
3571 | |
3572 | p = bfd_alloc (dynobj, amt); | |
3573 | if (p == NULL) | |
3574 | return FALSE; | |
3575 | p->next = *head; | |
3576 | *head = p; | |
3577 | p->sec = sec; | |
3578 | p->count = 0; | |
3579 | p->pc_count = 0; | |
3580 | } | |
3581 | ||
3582 | p->count += 1; | |
3583 | if ( ELF32_R_TYPE (rel->r_info) == R_M32R_26_PCREL_RELA | |
3584 | || ELF32_R_TYPE (rel->r_info) == R_M32R_18_PCREL_RELA | |
8ce757c4 NC |
3585 | || ELF32_R_TYPE (rel->r_info) == R_M32R_10_PCREL_RELA |
3586 | || ELF32_R_TYPE (rel->r_info) == R_M32R_REL32) | |
07d6d2b8 AM |
3587 | p->pc_count += 1; |
3588 | } | |
3589 | break; | |
3590 | ||
3591 | /* This relocation describes the C++ object vtable hierarchy. | |
3592 | Reconstruct it for later use during GC. */ | |
3593 | case R_M32R_RELA_GNU_VTINHERIT: | |
3594 | case R_M32R_GNU_VTINHERIT: | |
3595 | if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset)) | |
3596 | return FALSE; | |
3597 | break; | |
3598 | ||
3599 | /* This relocation describes which C++ vtable entries are actually | |
3600 | used. Record for later use during GC. */ | |
3601 | case R_M32R_GNU_VTENTRY: | |
a0ea3a14 | 3602 | if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_offset)) |
07d6d2b8 AM |
3603 | return FALSE; |
3604 | break; | |
3605 | case R_M32R_RELA_GNU_VTENTRY: | |
a0ea3a14 | 3606 | if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend)) |
07d6d2b8 AM |
3607 | return FALSE; |
3608 | break; | |
3609 | } | |
252b5132 | 3610 | } |
c3668558 | 3611 | |
b34976b6 | 3612 | return TRUE; |
252b5132 | 3613 | } |
2f89ff8d | 3614 | |
b35d266b | 3615 | static const struct bfd_elf_special_section m32r_elf_special_sections[] = |
2f89ff8d | 3616 | { |
07d6d2b8 | 3617 | { STRING_COMMA_LEN (".sbss"), -2, SHT_NOBITS, SHF_ALLOC + SHF_WRITE }, |
0112cd26 | 3618 | { STRING_COMMA_LEN (".sdata"), -2, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE }, |
07d6d2b8 | 3619 | { NULL, 0, 0, 0, 0 } |
7f4d3958 L |
3620 | }; |
3621 | ||
bf577467 AM |
3622 | static bfd_boolean |
3623 | m32r_elf_section_flags (const Elf_Internal_Shdr *hdr) | |
3624 | { | |
3625 | const char *name = hdr->bfd_section->name; | |
3626 | ||
3627 | if (strncmp (name, ".sbss", 5) == 0 | |
3628 | || strncmp (name, ".sdata", 6) == 0) | |
3629 | hdr->bfd_section->flags |= SEC_SMALL_DATA; | |
3630 | ||
3631 | return TRUE; | |
3632 | } | |
3633 | ||
6edf0760 | 3634 | static enum elf_reloc_type_class |
7e612e98 AM |
3635 | m32r_elf_reloc_type_class (const struct bfd_link_info *info ATTRIBUTE_UNUSED, |
3636 | const asection *rel_sec ATTRIBUTE_UNUSED, | |
3637 | const Elf_Internal_Rela *rela) | |
6edf0760 NC |
3638 | { |
3639 | switch ((int) ELF32_R_TYPE (rela->r_info)) | |
3640 | { | |
47b0e7ad NC |
3641 | case R_M32R_RELATIVE: return reloc_class_relative; |
3642 | case R_M32R_JMP_SLOT: return reloc_class_plt; | |
3643 | case R_M32R_COPY: return reloc_class_copy; | |
07d6d2b8 | 3644 | default: return reloc_class_normal; |
6edf0760 NC |
3645 | } |
3646 | } | |
252b5132 | 3647 | \f |
252b5132 | 3648 | #define ELF_ARCH bfd_arch_m32r |
ae95ffa6 | 3649 | #define ELF_TARGET_ID M32R_ELF_DATA |
aa4f99bb AO |
3650 | #define ELF_MACHINE_CODE EM_M32R |
3651 | #define ELF_MACHINE_ALT1 EM_CYGNUS_M32R | |
e916b64e | 3652 | #define ELF_MAXPAGESIZE 0x1 /* Explicitly requested by Mitsubishi. */ |
252b5132 | 3653 | |
07d6d2b8 | 3654 | #define TARGET_BIG_SYM m32r_elf32_vec |
252b5132 | 3655 | #define TARGET_BIG_NAME "elf32-m32r" |
07d6d2b8 AM |
3656 | #define TARGET_LITTLE_SYM m32r_elf32_le_vec |
3657 | #define TARGET_LITTLE_NAME "elf32-m32rle" | |
252b5132 | 3658 | |
6edf0760 | 3659 | #define elf_info_to_howto m32r_info_to_howto |
252b5132 RH |
3660 | #define elf_info_to_howto_rel m32r_info_to_howto_rel |
3661 | #define elf_backend_section_from_bfd_section _bfd_m32r_elf_section_from_bfd_section | |
3662 | #define elf_backend_symbol_processing _bfd_m32r_elf_symbol_processing | |
3663 | #define elf_backend_add_symbol_hook m32r_elf_add_symbol_hook | |
3664 | #define elf_backend_relocate_section m32r_elf_relocate_section | |
07d6d2b8 AM |
3665 | #define elf_backend_gc_mark_hook m32r_elf_gc_mark_hook |
3666 | #define elf_backend_check_relocs m32r_elf_check_relocs | |
252b5132 | 3667 | |
07d6d2b8 AM |
3668 | #define elf_backend_create_dynamic_sections m32r_elf_create_dynamic_sections |
3669 | #define bfd_elf32_bfd_link_hash_table_create m32r_elf_link_hash_table_create | |
3670 | #define elf_backend_size_dynamic_sections m32r_elf_size_dynamic_sections | |
d00dd7dc | 3671 | #define elf_backend_omit_section_dynsym _bfd_elf_omit_section_dynsym_all |
07d6d2b8 AM |
3672 | #define elf_backend_finish_dynamic_sections m32r_elf_finish_dynamic_sections |
3673 | #define elf_backend_adjust_dynamic_symbol m32r_elf_adjust_dynamic_symbol | |
3674 | #define elf_backend_finish_dynamic_symbol m32r_elf_finish_dynamic_symbol | |
3675 | #define elf_backend_reloc_type_class m32r_elf_reloc_type_class | |
6edf0760 | 3676 | |
07d6d2b8 | 3677 | #define elf_backend_can_gc_sections 1 |
6edf0760 | 3678 | /*#if !USE_REL |
b491616a | 3679 | #define elf_backend_rela_normal 1 |
6edf0760 NC |
3680 | #endif*/ |
3681 | #define elf_backend_can_refcount 1 | |
3682 | #define elf_backend_want_got_plt 1 | |
3683 | #define elf_backend_plt_readonly 1 | |
3684 | #define elf_backend_want_plt_sym 0 | |
3685 | #define elf_backend_got_header_size 12 | |
64f52338 | 3686 | #define elf_backend_dtrel_excludes_plt 1 |
6edf0760 | 3687 | |
07d6d2b8 | 3688 | #define elf_backend_may_use_rel_p 1 |
6edf0760 | 3689 | #ifdef USE_M32R_OLD_RELOC |
07d6d2b8 AM |
3690 | #define elf_backend_default_use_rela_p 0 |
3691 | #define elf_backend_may_use_rela_p 0 | |
6edf0760 | 3692 | #else |
07d6d2b8 AM |
3693 | #define elf_backend_default_use_rela_p 1 |
3694 | #define elf_backend_may_use_rela_p 1 | |
b491616a | 3695 | #endif |
6edf0760 | 3696 | |
252b5132 | 3697 | #define elf_backend_object_p m32r_elf_object_p |
07d6d2b8 AM |
3698 | #define elf_backend_final_write_processing m32r_elf_final_write_processing |
3699 | #define bfd_elf32_bfd_merge_private_bfd_data m32r_elf_merge_private_bfd_data | |
252b5132 RH |
3700 | #define bfd_elf32_bfd_set_private_flags m32r_elf_set_private_flags |
3701 | #define bfd_elf32_bfd_print_private_bfd_data m32r_elf_print_private_bfd_data | |
29ef7005 | 3702 | #define elf_backend_special_sections m32r_elf_special_sections |
bf577467 | 3703 | #define elf_backend_section_flags m32r_elf_section_flags |
c3668558 | 3704 | |
a2f63b2e MR |
3705 | #define elf_backend_linux_prpsinfo32_ugid16 TRUE |
3706 | ||
252b5132 | 3707 | #include "elf32-target.h" |
6edf0760 | 3708 | |
07d6d2b8 AM |
3709 | #undef ELF_MAXPAGESIZE |
3710 | #define ELF_MAXPAGESIZE 0x1000 | |
3711 | ||
3712 | #undef TARGET_BIG_SYM | |
3713 | #define TARGET_BIG_SYM m32r_elf32_linux_vec | |
3714 | #undef TARGET_BIG_NAME | |
3715 | #define TARGET_BIG_NAME "elf32-m32r-linux" | |
3716 | #undef TARGET_LITTLE_SYM | |
3717 | #define TARGET_LITTLE_SYM m32r_elf32_linux_le_vec | |
3718 | #undef TARGET_LITTLE_NAME | |
3719 | #define TARGET_LITTLE_NAME "elf32-m32rle-linux" | |
3720 | #undef elf32_bed | |
3721 | #define elf32_bed elf32_m32r_lin_bed | |
6edf0760 NC |
3722 | |
3723 | #include "elf32-target.h" |