1 /* $NetBSD: mips_reloc.c,v 1.58 2010/01/14 11:57:06 skrll Exp $ */
2
3 /*
4 * Copyright 1997 Michael L. Hitch <mhitch@montana.edu>
5 * Portions copyright 2002 Charles M. Hannum <root@ihack.net>
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. The name of the author may not be used to endorse or promote products
17 * derived from this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 #include <sys/cdefs.h>
32 __FBSDID("$FreeBSD$");
33
34 #include <sys/types.h>
35 #include <sys/stat.h>
36 #include <sys/endian.h>
37
38 #include <stdlib.h>
39 #include <string.h>
40 #include <inttypes.h>
41
42 #include <machine/sysarch.h>
43 #include <machine/tls.h>
44
45 #include "debug.h"
46 #include "rtld.h"
47
48 #ifdef __mips_n64
49 #define GOT1_MASK 0x8000000000000000UL
50 #else
51 #define GOT1_MASK 0x80000000UL
52 #endif
53
54 void
init_pltgot(Obj_Entry * obj)55 init_pltgot(Obj_Entry *obj)
56 {
57 if (obj->pltgot != NULL) {
58 obj->pltgot[0] = (Elf_Addr) &_rtld_bind_start;
59 if (obj->pltgot[1] & 0x80000000)
60 obj->pltgot[1] = (Elf_Addr) obj | GOT1_MASK;
61 }
62 }
63
64 int
do_copy_relocations(Obj_Entry * dstobj)65 do_copy_relocations(Obj_Entry *dstobj)
66 {
67 /* Do nothing */
68 return 0;
69 }
70
71 void _rtld_relocate_nonplt_self(Elf_Dyn *, Elf_Addr);
72
73 /*
74 * It is possible for the compiler to emit relocations for unaligned data.
75 * We handle this situation with these inlines.
76 */
77 #ifdef __mips_n64
78 /*
79 * ELF64 MIPS encodes the relocs uniquely. The first 32-bits of info contain
80 * the symbol index. The top 32-bits contain three relocation types encoded
81 * in big-endian integer with first relocation in LSB. This means for little
82 * endian we have to byte swap that integer (r_type).
83 */
84 #define Elf_Sxword Elf64_Sxword
85 #define ELF_R_NXTTYPE_64_P(r_type) ((((r_type) >> 8) & 0xff) == R_TYPE(64))
86 #if BYTE_ORDER == LITTLE_ENDIAN
87 #undef ELF_R_SYM
88 #undef ELF_R_TYPE
89 #define ELF_R_SYM(r_info) ((r_info) & 0xffffffff)
90 #define ELF_R_TYPE(r_info) bswap32((r_info) >> 32)
91 #endif
92 #else
93 #define ELF_R_NXTTYPE_64_P(r_type) (0)
94 #define Elf_Sxword Elf32_Sword
95 #endif
96
97 static __inline Elf_Sxword
load_ptr(void * where,size_t len)98 load_ptr(void *where, size_t len)
99 {
100 Elf_Sxword val;
101
102 if (__predict_true(((uintptr_t)where & (len - 1)) == 0)) {
103 #ifdef __mips_n64
104 if (len == sizeof(Elf_Sxword))
105 return *(Elf_Sxword *)where;
106 #endif
107 return *(Elf_Sword *)where;
108 }
109
110 val = 0;
111 #if BYTE_ORDER == LITTLE_ENDIAN
112 (void)memcpy(&val, where, len);
113 #endif
114 #if BYTE_ORDER == BIG_ENDIAN
115 (void)memcpy((uint8_t *)((&val)+1) - len, where, len);
116 #endif
117 return (len == sizeof(Elf_Sxword)) ? val : (Elf_Sword)val;
118 }
119
120 static __inline void
store_ptr(void * where,Elf_Sxword val,size_t len)121 store_ptr(void *where, Elf_Sxword val, size_t len)
122 {
123 if (__predict_true(((uintptr_t)where & (len - 1)) == 0)) {
124 #ifdef __mips_n64
125 if (len == sizeof(Elf_Sxword)) {
126 *(Elf_Sxword *)where = val;
127 return;
128 }
129 #endif
130 *(Elf_Sword *)where = val;
131 return;
132 }
133 #if BYTE_ORDER == LITTLE_ENDIAN
134 (void)memcpy(where, &val, len);
135 #endif
136 #if BYTE_ORDER == BIG_ENDIAN
137 (void)memcpy(where, (const uint8_t *)((&val)+1) - len, len);
138 #endif
139 }
140
141 void
_rtld_relocate_nonplt_self(Elf_Dyn * dynp,Elf_Addr relocbase)142 _rtld_relocate_nonplt_self(Elf_Dyn *dynp, Elf_Addr relocbase)
143 {
144 const Elf_Rel *rel = NULL, *rellim;
145 Elf_Addr relsz = 0;
146 const Elf_Sym *symtab = NULL, *sym;
147 Elf_Addr *where;
148 Elf_Addr *got = NULL;
149 Elf_Word local_gotno = 0, symtabno = 0, gotsym = 0;
150 size_t i;
151
152 for (; dynp->d_tag != DT_NULL; dynp++) {
153 switch (dynp->d_tag) {
154 case DT_REL:
155 rel = (const Elf_Rel *)(relocbase + dynp->d_un.d_ptr);
156 break;
157 case DT_RELSZ:
158 relsz = dynp->d_un.d_val;
159 break;
160 case DT_SYMTAB:
161 symtab = (const Elf_Sym *)(relocbase + dynp->d_un.d_ptr);
162 break;
163 case DT_PLTGOT:
164 got = (Elf_Addr *)(relocbase + dynp->d_un.d_ptr);
165 break;
166 case DT_MIPS_LOCAL_GOTNO:
167 local_gotno = dynp->d_un.d_val;
168 break;
169 case DT_MIPS_SYMTABNO:
170 symtabno = dynp->d_un.d_val;
171 break;
172 case DT_MIPS_GOTSYM:
173 gotsym = dynp->d_un.d_val;
174 break;
175 }
176 }
177
178 i = (got[1] & GOT1_MASK) ? 2 : 1;
179 /* Relocate the local GOT entries */
180 got += i;
181 for (; i < local_gotno; i++) {
182 *got++ += relocbase;
183 }
184
185 sym = symtab + gotsym;
186 /* Now do the global GOT entries */
187 for (i = gotsym; i < symtabno; i++) {
188 *got = sym->st_value + relocbase;
189 ++sym;
190 ++got;
191 }
192
193 rellim = (const Elf_Rel *)((caddr_t)rel + relsz);
194 for (; rel < rellim; rel++) {
195 Elf_Word r_symndx, r_type;
196
197 where = (void *)(relocbase + rel->r_offset);
198
199 r_symndx = ELF_R_SYM(rel->r_info);
200 r_type = ELF_R_TYPE(rel->r_info);
201
202 switch (r_type & 0xff) {
203 case R_TYPE(REL32): {
204 const size_t rlen =
205 ELF_R_NXTTYPE_64_P(r_type)
206 ? sizeof(Elf_Sxword)
207 : sizeof(Elf_Sword);
208 Elf_Sxword old = load_ptr(where, rlen);
209 Elf_Sxword val = old;
210 #ifdef __mips_n64
211 assert(r_type == R_TYPE(REL32)
212 || r_type == (R_TYPE(REL32)|(R_TYPE(64) << 8)));
213 #endif
214 assert(r_symndx < gotsym);
215 sym = symtab + r_symndx;
216 assert(ELF_ST_BIND(sym->st_info) == STB_LOCAL);
217 val += relocbase;
218 store_ptr(where, val, sizeof(Elf_Sword));
219 dbg("REL32/L(%p) %p -> %p in <self>",
220 where, (void *)old, (void *)val);
221 store_ptr(where, val, rlen);
222 break;
223 }
224
225 case R_TYPE(GPREL32):
226 case R_TYPE(NONE):
227 break;
228
229
230 default:
231 abort();
232 break;
233 }
234 }
235 }
236
237 Elf_Addr
_mips_rtld_bind(Obj_Entry * obj,Elf_Size reloff)238 _mips_rtld_bind(Obj_Entry *obj, Elf_Size reloff)
239 {
240 Elf_Addr *got = obj->pltgot;
241 const Elf_Sym *def;
242 const Obj_Entry *defobj;
243 Elf_Addr *where;
244 Elf_Addr target;
245 RtldLockState lockstate;
246
247 rlock_acquire(rtld_bind_lock, &lockstate);
248 if (sigsetjmp(lockstate.env, 0) != 0)
249 lock_upgrade(rtld_bind_lock, &lockstate);
250
251 where = &got[obj->local_gotno + reloff - obj->gotsym];
252 def = find_symdef(reloff, obj, &defobj, SYMLOOK_IN_PLT, NULL,
253 &lockstate);
254 if (def == NULL)
255 rtld_die();
256
257 target = (Elf_Addr)(defobj->relocbase + def->st_value);
258 dbg("bind now/fixup at %s sym # %jd in %s --> was=%p new=%p",
259 obj->path,
260 (intmax_t)reloff, defobj->strtab + def->st_name,
261 (void *)*where, (void *)target);
262 if (!ld_bind_not)
263 *where = target;
264 lock_release(rtld_bind_lock, &lockstate);
265 return (Elf_Addr)target;
266 }
267
268 int
reloc_non_plt(Obj_Entry * obj,Obj_Entry * obj_rtld,int flags,RtldLockState * lockstate)269 reloc_non_plt(Obj_Entry *obj, Obj_Entry *obj_rtld, int flags,
270 RtldLockState *lockstate)
271 {
272 const Elf_Rel *rel;
273 const Elf_Rel *rellim;
274 Elf_Addr *got = obj->pltgot;
275 const Elf_Sym *sym, *def;
276 const Obj_Entry *defobj;
277 Elf_Word i;
278 #ifdef SUPPORT_OLD_BROKEN_LD
279 int broken;
280 #endif
281
282 /* The relocation for the dynamic loader has already been done. */
283 if (obj == obj_rtld)
284 return (0);
285
286 if ((flags & SYMLOOK_IFUNC) != 0)
287 /* XXX not implemented */
288 return (0);
289
290 #ifdef SUPPORT_OLD_BROKEN_LD
291 broken = 0;
292 sym = obj->symtab;
293 for (i = 1; i < 12; i++)
294 if (sym[i].st_info == ELF_ST_INFO(STB_LOCAL, STT_NOTYPE))
295 broken = 1;
296 dbg("%s: broken=%d", obj->path, broken);
297 #endif
298
299 i = (got[1] & GOT1_MASK) ? 2 : 1;
300
301 /* Relocate the local GOT entries */
302 got += i;
303 dbg("got:%p for %d entries adding %p",
304 got, obj->local_gotno, obj->relocbase);
305 for (; i < obj->local_gotno; i++) {
306 *got += (Elf_Addr)obj->relocbase;
307 got++;
308 }
309 sym = obj->symtab + obj->gotsym;
310
311 dbg("got:%p for %d entries",
312 got, obj->symtabno);
313 /* Now do the global GOT entries */
314 for (i = obj->gotsym; i < obj->symtabno; i++) {
315 dbg(" doing got %d sym %p (%s, %lx)", i - obj->gotsym, sym,
316 sym->st_name + obj->strtab, (u_long) *got);
317
318 #ifdef SUPPORT_OLD_BROKEN_LD
319 if (ELF_ST_TYPE(sym->st_info) == STT_FUNC &&
320 broken && sym->st_shndx == SHN_UNDEF) {
321 /*
322 * XXX DANGER WILL ROBINSON!
323 * You might think this is stupid, as it intentionally
324 * defeats lazy binding -- and you'd be right.
325 * Unfortunately, for lazy binding to work right, we
326 * need to a way to force the GOT slots used for
327 * function pointers to be resolved immediately. This
328 * is supposed to be done automatically by the linker,
329 * by not outputting a PLT slot and setting st_value
330 * to 0 if there are non-PLT references, but older
331 * versions of GNU ld do not do this.
332 */
333 def = find_symdef(i, obj, &defobj, flags, NULL,
334 lockstate);
335 if (def == NULL)
336 return -1;
337 *got = def->st_value + (Elf_Addr)defobj->relocbase;
338 } else
339 #endif
340 if (ELF_ST_TYPE(sym->st_info) == STT_FUNC &&
341 sym->st_value != 0 && sym->st_shndx == SHN_UNDEF) {
342 /*
343 * If there are non-PLT references to the function,
344 * st_value should be 0, forcing us to resolve the
345 * address immediately.
346 *
347 * XXX DANGER WILL ROBINSON!
348 * The linker is not outputting PLT slots for calls to
349 * functions that are defined in the same shared
350 * library. This is a bug, because it can screw up
351 * link ordering rules if the symbol is defined in
352 * more than one module. For now, if there is a
353 * definition, we fail the test above and force a full
354 * symbol lookup. This means that all intra-module
355 * calls are bound immediately. - mycroft, 2003/09/24
356 */
357 *got = sym->st_value + (Elf_Addr)obj->relocbase;
358 if ((Elf_Addr)(*got) == (Elf_Addr)obj->relocbase) {
359 dbg("Warning2, i:%d maps to relocbase address:%p",
360 i, obj->relocbase);
361 }
362
363 } else if (sym->st_info == ELF_ST_INFO(STB_GLOBAL, STT_SECTION)) {
364 /* Symbols with index SHN_ABS are not relocated. */
365 if (sym->st_shndx != SHN_ABS) {
366 *got = sym->st_value +
367 (Elf_Addr)obj->relocbase;
368 if ((Elf_Addr)(*got) == (Elf_Addr)obj->relocbase) {
369 dbg("Warning3, i:%d maps to relocbase address:%p",
370 i, obj->relocbase);
371 }
372 }
373 } else {
374 /* TODO: add cache here */
375 def = find_symdef(i, obj, &defobj, flags, NULL,
376 lockstate);
377 if (def == NULL) {
378 dbg("Warning4, can't find symbole %d", i);
379 return -1;
380 }
381 *got = def->st_value + (Elf_Addr)defobj->relocbase;
382 if ((Elf_Addr)(*got) == (Elf_Addr)obj->relocbase) {
383 dbg("Warning4, i:%d maps to relocbase address:%p",
384 i, obj->relocbase);
385 dbg("via first obj symbol %s",
386 obj->strtab + obj->symtab[i].st_name);
387 dbg("found in obj %p:%s",
388 defobj, defobj->path);
389 }
390 }
391
392 dbg(" --> now %lx", (u_long) *got);
393 ++sym;
394 ++got;
395 }
396
397 got = obj->pltgot;
398 rellim = (const Elf_Rel *)((caddr_t)obj->rel + obj->relsize);
399 for (rel = obj->rel; rel < rellim; rel++) {
400 Elf_Word r_symndx, r_type;
401 void *where;
402
403 where = obj->relocbase + rel->r_offset;
404 r_symndx = ELF_R_SYM(rel->r_info);
405 r_type = ELF_R_TYPE(rel->r_info);
406
407 switch (r_type & 0xff) {
408 case R_TYPE(NONE):
409 break;
410
411 case R_TYPE(REL32): {
412 /* 32-bit PC-relative reference */
413 const size_t rlen =
414 ELF_R_NXTTYPE_64_P(r_type)
415 ? sizeof(Elf_Sxword)
416 : sizeof(Elf_Sword);
417 Elf_Sxword old = load_ptr(where, rlen);
418 Elf_Sxword val = old;
419
420 def = obj->symtab + r_symndx;
421
422 if (r_symndx >= obj->gotsym) {
423 val += got[obj->local_gotno + r_symndx - obj->gotsym];
424 dbg("REL32/G(%p) %p --> %p (%s) in %s",
425 where, (void *)old, (void *)val,
426 obj->strtab + def->st_name,
427 obj->path);
428 } else {
429 /*
430 * XXX: ABI DIFFERENCE!
431 *
432 * Old NetBSD binutils would generate shared
433 * libs with section-relative relocations being
434 * already adjusted for the start address of
435 * the section.
436 *
437 * New binutils, OTOH, generate shared libs
438 * with the same relocations being based at
439 * zero, so we need to add in the start address
440 * of the section.
441 *
442 * --rkb, Oct 6, 2001
443 */
444
445 if (def->st_info ==
446 ELF_ST_INFO(STB_LOCAL, STT_SECTION)
447 #ifdef SUPPORT_OLD_BROKEN_LD
448 && !broken
449 #endif
450 )
451 val += (Elf_Addr)def->st_value;
452
453 val += (Elf_Addr)obj->relocbase;
454
455 dbg("REL32/L(%p) %p -> %p (%s) in %s",
456 where, (void *)old, (void *)val,
457 obj->strtab + def->st_name, obj->path);
458 }
459 store_ptr(where, val, rlen);
460 break;
461 }
462
463 #ifdef __mips_n64
464 case R_TYPE(TLS_DTPMOD64):
465 #else
466 case R_TYPE(TLS_DTPMOD32):
467 #endif
468 {
469
470 const size_t rlen = sizeof(Elf_Addr);
471 Elf_Addr old = load_ptr(where, rlen);
472 Elf_Addr val = old;
473
474 def = find_symdef(r_symndx, obj, &defobj, flags, NULL,
475 lockstate);
476 if (def == NULL)
477 return -1;
478
479 val += (Elf_Addr)defobj->tlsindex;
480
481 store_ptr(where, val, rlen);
482 dbg("DTPMOD %s in %s %p --> %p in %s",
483 obj->strtab + obj->symtab[r_symndx].st_name,
484 obj->path, (void *)old, (void*)val, defobj->path);
485 break;
486 }
487
488 #ifdef __mips_n64
489 case R_TYPE(TLS_DTPREL64):
490 #else
491 case R_TYPE(TLS_DTPREL32):
492 #endif
493 {
494 const size_t rlen = sizeof(Elf_Addr);
495 Elf_Addr old = load_ptr(where, rlen);
496 Elf_Addr val = old;
497
498 def = find_symdef(r_symndx, obj, &defobj, flags, NULL,
499 lockstate);
500 if (def == NULL)
501 return -1;
502
503 if (!defobj->tls_done && allocate_tls_offset(obj))
504 return -1;
505
506 val += (Elf_Addr)def->st_value - TLS_DTP_OFFSET;
507 store_ptr(where, val, rlen);
508
509 dbg("DTPREL %s in %s %p --> %p in %s",
510 obj->strtab + obj->symtab[r_symndx].st_name,
511 obj->path, (void*)old, (void *)val, defobj->path);
512 break;
513 }
514
515 #ifdef __mips_n64
516 case R_TYPE(TLS_TPREL64):
517 #else
518 case R_TYPE(TLS_TPREL32):
519 #endif
520 {
521 const size_t rlen = sizeof(Elf_Addr);
522 Elf_Addr old = load_ptr(where, rlen);
523 Elf_Addr val = old;
524
525 def = find_symdef(r_symndx, obj, &defobj, flags, NULL,
526 lockstate);
527
528 if (def == NULL)
529 return -1;
530
531 if (!defobj->tls_done && allocate_tls_offset(obj))
532 return -1;
533
534 val += (Elf_Addr)(def->st_value + defobj->tlsoffset
535 - TLS_TP_OFFSET - TLS_TCB_SIZE);
536 store_ptr(where, val, rlen);
537
538 dbg("TPREL %s in %s %p --> %p in %s",
539 obj->strtab + obj->symtab[r_symndx].st_name,
540 obj->path, (void*)old, (void *)val, defobj->path);
541 break;
542 }
543
544
545
546 default:
547 dbg("sym = %lu, type = %lu, offset = %p, "
548 "contents = %p, symbol = %s",
549 (u_long)r_symndx, (u_long)ELF_R_TYPE(rel->r_info),
550 (void *)rel->r_offset,
551 (void *)load_ptr(where, sizeof(Elf_Sword)),
552 obj->strtab + obj->symtab[r_symndx].st_name);
553 _rtld_error("%s: Unsupported relocation type %ld "
554 "in non-PLT relocations",
555 obj->path, (u_long) ELF_R_TYPE(rel->r_info));
556 return -1;
557 }
558 }
559
560 return 0;
561 }
562
563 /*
564 * Process the PLT relocations.
565 */
566 int
reloc_plt(Obj_Entry * obj)567 reloc_plt(Obj_Entry *obj)
568 {
569 #if 0
570 const Elf_Rel *rellim;
571 const Elf_Rel *rel;
572
573 dbg("reloc_plt obj:%p pltrel:%p sz:%s", obj, obj->pltrel, (int)obj->pltrelsize);
574 dbg("gottable %p num syms:%s", obj->pltgot, obj->symtabno );
575 dbg("*****************************************************");
576 rellim = (const Elf_Rel *)((char *)obj->pltrel +
577 obj->pltrelsize);
578 for (rel = obj->pltrel; rel < rellim; rel++) {
579 Elf_Addr *where;
580 where = (Elf_Addr *)(obj->relocbase + rel->r_offset);
581 *where += (Elf_Addr )obj->relocbase;
582 }
583
584 #endif
585 /* PLT fixups were done above in the GOT relocation. */
586 return (0);
587 }
588
589 /*
590 * LD_BIND_NOW was set - force relocation for all jump slots
591 */
592 int
reloc_jmpslots(Obj_Entry * obj,int flags,RtldLockState * lockstate)593 reloc_jmpslots(Obj_Entry *obj, int flags, RtldLockState *lockstate)
594 {
595 /* Do nothing */
596 obj->jmpslots_done = true;
597
598 return (0);
599 }
600
601 int
reloc_iresolve(Obj_Entry * obj,struct Struct_RtldLockState * lockstate)602 reloc_iresolve(Obj_Entry *obj, struct Struct_RtldLockState *lockstate)
603 {
604
605 /* XXX not implemented */
606 return (0);
607 }
608
609 int
reloc_gnu_ifunc(Obj_Entry * obj,int flags,struct Struct_RtldLockState * lockstate)610 reloc_gnu_ifunc(Obj_Entry *obj, int flags,
611 struct Struct_RtldLockState *lockstate)
612 {
613
614 /* XXX not implemented */
615 return (0);
616 }
617
618 Elf_Addr
reloc_jmpslot(Elf_Addr * where,Elf_Addr target,const Obj_Entry * defobj,const Obj_Entry * obj,const Elf_Rel * rel)619 reloc_jmpslot(Elf_Addr *where, Elf_Addr target, const Obj_Entry *defobj,
620 const Obj_Entry *obj, const Elf_Rel *rel)
621 {
622
623 /* Do nothing */
624
625 return target;
626 }
627
628 void
ifunc_init(Elf_Auxinfo aux_info[__min_size (AT_COUNT)]__unused)629 ifunc_init(Elf_Auxinfo aux_info[__min_size(AT_COUNT)] __unused)
630 {
631
632 }
633
634 void
pre_init(void)635 pre_init(void)
636 {
637
638 }
639
640 void
allocate_initial_tls(Obj_Entry * objs)641 allocate_initial_tls(Obj_Entry *objs)
642 {
643 char *tls;
644
645 /*
646 * Fix the size of the static TLS block by using the maximum
647 * offset allocated so far and adding a bit for dynamic modules to
648 * use.
649 */
650 tls_static_space = tls_last_offset + tls_last_size + RTLD_STATIC_TLS_EXTRA;
651
652 tls = (char *) allocate_tls(objs, NULL, TLS_TCB_SIZE, 8);
653
654 sysarch(MIPS_SET_TLS, tls);
655 }
656
657 void *
__tls_get_addr(tls_index * ti)658 __tls_get_addr(tls_index* ti)
659 {
660 Elf_Addr** tls;
661 char *p;
662
663 sysarch(MIPS_GET_TLS, &tls);
664
665 p = tls_get_addr_common(tls, ti->ti_module, ti->ti_offset + TLS_DTP_OFFSET);
666
667 return (p);
668 }
669