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1 /* Machine-dependent ELF dynamic relocation inline functions. SH version.
2 Copyright (C) 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
18 02111-1307 USA. */
19
20 #ifndef dl_machine_h
21 #define dl_machine_h
22
23 /* Only dummy. This doesn't work. */
24
25 #define ELF_MACHINE_NAME "SH"
26
27 #include <sys/param.h>
28
29 #include <assert.h>
30
31 /* Return nonzero iff ELF header is compatible with the running host. */
32 static inline int __attribute__ ((unused))
33 elf_machine_matches_host (const Elf32_Ehdr *ehdr)
34 {
35 return ehdr->e_machine == EM_SH;
36 }
37
38
39 /* Return the link-time address of _DYNAMIC. Conveniently, this is the
40 first element of the GOT. This must be inlined in a function which
41 uses global data. */
42 static inline Elf32_Addr __attribute__ ((unused))
43 elf_machine_dynamic (void)
44 {
45 register Elf32_Addr *got;
46 asm ("mov r12,%0" :"=r" (got));
47 return *got;
48 }
49
50
51 /* Return the run-time load address of the shared object. */
52 static inline Elf32_Addr __attribute__ ((unused))
53 elf_machine_load_address (void)
54 {
55 Elf32_Addr addr;
56 asm ("mov.l 1f,r0\n\
57 mov.l 3f,r2\n\
58 add r12,r2\n\
59 mov.l @(r0,r12),r0\n\
60 bra 2f\n\
61 sub r0,r2\n\
62 .align 2\n\
63 1: .long _dl_start@GOT\n\
64 3: .long _dl_start@GOTOFF\n\
65 2: mov r2,%0"
66 : "=r" (addr) : : "r0", "r1", "r2");
67 return addr;
68 }
69
70
71 /* Set up the loaded object described by L so its unrelocated PLT
72 entries will jump to the on-demand fixup code in dl-runtime.c. */
73
74 static inline int __attribute__ ((unused))
75 elf_machine_runtime_setup (struct link_map *l, int lazy, int profile)
76 {
77 Elf32_Addr *got;
78 extern void _dl_runtime_resolve (Elf32_Word);
79 extern void _dl_runtime_profile (Elf32_Word);
80
81 if (l->l_info[DT_JMPREL] && lazy)
82 {
83 /* The GOT entries for functions in the PLT have not yet been filled
84 in. Their initial contents will arrange when called to load an
85 offset into the .rela.plt section and _GLOBAL_OFFSET_TABLE_[1],
86 and then jump to _GLOBAL_OFFSET_TABLE[2]. */
87 got = (Elf32_Addr *) D_PTR (l, l_info[DT_PLTGOT]);
88 /* If a library is prelinked but we have to relocate anyway,
89 we have to be able to undo the prelinking of .got.plt.
90 The prelinker saved us here address of .plt + 36. */
91 if (got[1])
92 {
93 l->l_mach.plt = got[1] + l->l_addr;
94 l->l_mach.gotplt = (Elf32_Addr) &got[3];
95 }
96 got[1] = (Elf32_Addr) l; /* Identify this shared object. */
97
98 /* The got[2] entry contains the address of a function which gets
99 called to get the address of a so far unresolved function and
100 jump to it. The profiling extension of the dynamic linker allows
101 to intercept the calls to collect information. In this case we
102 don't store the address in the GOT so that all future calls also
103 end in this function. */
104 if (profile)
105 {
106 got[2] = (Elf32_Addr) &_dl_runtime_profile;
107 /* Say that we really want profiling and the timers are started. */
108 GL(dl_profile_map) = l;
109 }
110 else
111 /* This function will get called to fix up the GOT entry indicated by
112 the offset on the stack, and then jump to the resolved address. */
113 got[2] = (Elf32_Addr) &_dl_runtime_resolve;
114 }
115 return lazy;
116 }
117
118 /* This code is used in dl-runtime.c to call the `fixup' function
119 and then redirect to the address it returns. */
120
121 #define ELF_MACHINE_RUNTIME_FIXUP_ARGS int plt_type
122
123 #ifdef SHARED
124 #define FUN_ADDR "\
125 mov.l 1f,r2\n\
126 mova 1f,r0\n\
127 bra 2f\n\
128 add r0,r2 ! Get GOT address in r2\n\
129 0: .align 2\n\
130 1: .long _GLOBAL_OFFSET_TABLE_\n\
131 2: mov.l 3f,r0\n\
132 add r2,r0"
133 #define GOTJMP(x) #x "@GOTOFF"
134 #else
135 #define FUN_ADDR "\
136 mov.l 3f,r0"
137 #define GOTJMP(x) #x
138 #endif
139
140 #ifdef HAVE_FPU
141 #define FGR_SAVE "\
142 sts.l fpscr, @-r15\n\
143 mov #8,r3\n\
144 swap.w r3, r3\n\
145 lds r3, fpscr\n\
146 fmov.s fr11, @-r15\n\
147 fmov.s fr10, @-r15\n\
148 fmov.s fr9, @-r15\n\
149 fmov.s fr8, @-r15\n\
150 fmov.s fr7, @-r15\n\
151 fmov.s fr6, @-r15\n\
152 fmov.s fr5, @-r15\n\
153 fmov.s fr4, @-r15"
154 #define FGR_LOAD "\
155 fmov.s @r15+, fr4\n\
156 fmov.s @r15+, fr5\n\
157 fmov.s @r15+, fr6\n\
158 fmov.s @r15+, fr7\n\
159 fmov.s @r15+, fr8\n\
160 fmov.s @r15+, fr9\n\
161 fmov.s @r15+, fr10\n\
162 fmov.s @r15+, fr11\n\
163 lds.l @r15+, fpscr"
164 #else
165 #define FGR_SAVE ""
166 #define FGR_LOAD ""
167 #endif
168
169 #ifndef PROF
170 # define ELF_MACHINE_RUNTIME_TRAMPOLINE asm ("\
171 .text\n\
172 .globl _dl_runtime_resolve\n\
173 .type _dl_runtime_resolve, @function\n\
174 .align 5\n\
175 _dl_runtime_resolve:\n\
176 mov.l r2,@-r15\n\
177 mov.l r3,@-r15\n\
178 mov.l r4,@-r15\n\
179 mov.l r5,@-r15\n\
180 mov.l r6,@-r15\n\
181 mov.l r7,@-r15\n\
182 mov.l r12,@-r15\n\
183 movt r3 ! Save T flag.\n\
184 mov.l r3,@-r15\n\
185 " FGR_SAVE "\n\
186 sts.l pr,@-r15\n\
187 tst r0,r0\n\
188 bt 1f\n\
189 mov r0,r2\n\
190 1:\n\
191 mov r0,r4 ! PLT type\n\
192 mov r2,r5 ! link map address\n\
193 " FUN_ADDR "\n\
194 jsr @r0 ! Call resolver.\n\
195 mov r1,r6 ! reloc offset\n\
196 lds.l @r15+,pr ! Get register content back.\n\
197 " FGR_LOAD "\n\
198 mov.l @r15+,r3\n\
199 shal r3 ! Lode T flag.\n\
200 mov.l @r15+,r12\n\
201 mov.l @r15+,r7\n\
202 mov.l @r15+,r6\n\
203 mov.l @r15+,r5\n\
204 mov.l @r15+,r4\n\
205 mov.l @r15+,r3\n\
206 jmp @r0 ! Jump to function address.\n\
207 mov.l @r15+,r2\n\
208 .align 2\n\
209 3:\n\
210 .long " GOTJMP (fixup) "\n\
211 .size _dl_runtime_resolve, .-_dl_runtime_resolve\n\
212 \n\
213 .globl _dl_runtime_profile\n\
214 .type _dl_runtime_profile, @function\n\
215 .align 5\n\
216 _dl_runtime_profile:\n\
217 mov.l r2,@-r15\n\
218 mov.l r3,@-r15\n\
219 mov.l r4,@-r15\n\
220 mov.l r5,@-r15\n\
221 mov.l r6,@-r15\n\
222 mov.l r7,@-r15\n\
223 mov.l r12,@-r15\n\
224 movt r3 ! Save T flag.\n\
225 mov.l r3,@-r15\n\
226 " FGR_SAVE "\n\
227 sts.l pr,@-r15\n\
228 tst r0,r0\n\
229 bt 1f\n\
230 mov r0,r2\n\
231 1:\n\
232 mov r0,r4 ! PLT type\n\
233 mov r2,r5 ! link map address\n\
234 sts pr,r7 ! return address\n\
235 " FUN_ADDR "\n\
236 jsr @r0 ! Call resolver.\n\
237 mov r1,r6 ! reloc offset\n\
238 lds.l @r15+,pr ! Get register content back.\n\
239 " FGR_LOAD "\n\
240 mov.l @r15+,r3\n\
241 shal r3 ! Lode T flag.\n\
242 mov.l @r15+,r12\n\
243 mov.l @r15+,r7\n\
244 mov.l @r15+,r6\n\
245 mov.l @r15+,r5\n\
246 mov.l @r15+,r4\n\
247 mov.l @r15+,r3\n\
248 jmp @r0 ! Jump to function address.\n\
249 mov.l @r15+,r2\n\
250 .align 2\n\
251 3:\n\
252 .long " GOTJMP (profile_fixup) "\n\
253 .size _dl_runtime_profile, .-_dl_runtime_profile\n\
254 .previous\n\
255 ");
256 #else
257 # define ELF_MACHINE_RUNTIME_TRAMPOLINE asm ("\
258 .text\n\
259 .globl _dl_runtime_resolve\n\
260 .globl _dl_runtime_profile\n\
261 .type _dl_runtime_resolve, @function\n\
262 .type _dl_runtime_profile, @function\n\
263 .align 5\n\
264 _dl_runtime_resolve:\n\
265 _dl_runtime_profile:\n\
266 mov.l r2,@-r15\n\
267 mov.l r3,@-r15\n\
268 mov.l r4,@-r15\n\
269 mov.l r5,@-r15\n\
270 mov.l r6,@-r15\n\
271 mov.l r7,@-r15\n\
272 mov.l r12,@-r15\n\
273 movt r3 ! Save T flag.\n\
274 mov.l r3,@-r15\n\
275 " FGR_SAVE "\n\
276 sts.l pr,@-r15\n\
277 tst r0,r0\n\
278 bt 1f\n\
279 mov r0,r2\n\
280 1:\n\
281 mov r0,r4 ! PLT type\n\
282 mov r2,r5 ! link map address\n\
283 sts pr,r7 ! return address\n\
284 " FUN_ADDR "\n\
285 jsr @r0 ! Call resolver.\n\
286 mov r1,r6 ! reloc offset\n\
287 lds.l @r15+,pr ! Get register content back.\n\
288 " FGR_LOAD "\n\
289 mov.l @r15+,r3\n\
290 shal r3 ! Lode T flag.\n\
291 mov.l @r15+,r12\n\
292 mov.l @r15+,r7\n\
293 mov.l @r15+,r6\n\
294 mov.l @r15+,r5\n\
295 mov.l @r15+,r4\n\
296 mov.l @r15+,r3\n\
297 jmp @r0 ! Jump to function address.\n\
298 mov.l @r15+,r2\n\
299 .align 2\n\
300 3:\n\
301 .long " GOTJMP (fixup) "\n\
302 .size _dl_runtime_resolve, .-_dl_runtime_resolve\n\
303 .size _dl_runtime_profile, .-_dl_runtime_profile\n\
304 .previous\n\
305 ");
306 #endif
307
308 /* Mask identifying addresses reserved for the user program,
309 where the dynamic linker should not map anything. */
310 #define ELF_MACHINE_USER_ADDRESS_MASK 0x80000000UL
311
312 /* Initial entry point code for the dynamic linker.
313 The C function `_dl_start' is the real entry point;
314 its return value is the user program's entry point. */
315
316 #define RTLD_START asm ("\
317 .text\n\
318 .globl _start\n\
319 .globl _dl_start_user\n\
320 _start:\n\
321 mov r15,r4\n\
322 mov.l .L_dl_start,r1\n\
323 mova .L_dl_start,r0\n\
324 add r1,r0\n\
325 jsr @r0\n\
326 nop\n\
327 _dl_start_user:\n\
328 ! Save the user entry point address in r8.\n\
329 mov r0,r8\n\
330 ! Point r12 at the GOT.\n\
331 mov.l 1f,r12\n\
332 mova 1f,r0\n\
333 bra 2f\n\
334 add r0,r12\n\
335 .align 2\n\
336 1: .long _GLOBAL_OFFSET_TABLE_\n\
337 2: ! See if we were run as a command with the executable file\n\
338 ! name as an extra leading argument.\n\
339 mov.l .L_dl_skip_args,r0\n\
340 mov.l @(r0,r12),r0\n\
341 mov.l @r0,r0\n\
342 ! Get the original argument count.\n\
343 mov.l @r15,r5\n\
344 ! Subtract _dl_skip_args from it.\n\
345 sub r0,r5\n\
346 ! Adjust the stack pointer to skip _dl_skip_args words.\n\
347 shll2 r0\n\
348 add r0,r15\n\
349 ! Store back the modified argument count.\n\
350 mov.l r5,@r15\n\
351 ! Compute argv address and envp.\n\
352 mov r15,r6\n\
353 add #4,r6\n\
354 mov r5,r7\n\
355 shll2 r7\n\
356 add r15,r7\n\
357 mov.l .L_dl_loaded,r0\n\
358 mov.l @(r0,r12),r0\n\
359 mov.l @r0,r4\n\
360 ! Call _dl_init.\n\
361 mov.l .L_dl_init,r1\n\
362 mova .L_dl_init,r0\n\
363 add r1,r0\n\
364 jsr @r0\n\
365 nop\n\
366 1: ! Clear the startup flag.\n\
367 mov.l .L_dl_starting_up,r0\n\
368 mov.l @(r0,r12),r0\n\
369 mov #0,r2\n\
370 mov.l r2,@r0\n\
371 ! Pass our finalizer function to the user in r4, as per ELF ABI.\n\
372 mov.l .L_dl_fini,r0\n\
373 mov.l @(r0,r12),r4\n\
374 ! Jump to the user's entry point.\n\
375 jmp @r8\n\
376 nop\n\
377 .align 2\n\
378 .L_dl_start:\n\
379 .long _dl_start@PLT\n\
380 .L_dl_skip_args:\n\
381 .long _dl_skip_args@GOT\n\
382 .L_dl_init:\n\
383 .long _dl_init_internal@PLT\n\
384 .L_dl_loaded:\n\
385 .long _rtld_local@GOT\n\
386 .L_dl_starting_up:\n\
387 .long _dl_starting_up@GOT\n\
388 .L_dl_fini:\n\
389 .long _dl_fini@GOT\n\
390 .previous\n\
391 ");
392
393 /* ELF_RTYPE_CLASS_PLT iff TYPE describes relocation of a PLT entry or
394 TLS variable, so undefined references should not be allowed to
395 define the value.
396 ELF_RTYPE_CLASS_NOCOPY iff TYPE should not be allowed to resolve to one
397 of the main executable's symbols, as for a COPY reloc. */
398 #if defined USE_TLS && (!defined RTLD_BOOTSTRAP || USE___THREAD)
399 # define elf_machine_type_class(type) \
400 ((((type) == R_SH_JMP_SLOT || (type) == R_SH_TLS_DTPMOD32 \
401 || (type) == R_SH_TLS_DTPOFF32 || (type) == R_SH_TLS_TPOFF32) \
402 * ELF_RTYPE_CLASS_PLT) \
403 | (((type) == R_SH_COPY) * ELF_RTYPE_CLASS_COPY))
404 #else
405 #define elf_machine_type_class(type) \
406 ((((type) == R_SH_JMP_SLOT) * ELF_RTYPE_CLASS_PLT) \
407 | (((type) == R_SH_COPY) * ELF_RTYPE_CLASS_COPY))
408 #endif
409
410 /* A reloc type used for ld.so cmdline arg lookups to reject PLT entries. */
411 #define ELF_MACHINE_JMP_SLOT R_SH_JMP_SLOT
412
413 /* We define an initialization functions. This is called very early in
414 _dl_sysdep_start. */
415 #define DL_PLATFORM_INIT dl_platform_init ()
416
417 static inline void __attribute__ ((unused))
418 dl_platform_init (void)
419 {
420 if (GL(dl_platform) != NULL && *GL(dl_platform) == '\0')
421 /* Avoid an empty string which would disturb us. */
422 GL(dl_platform) = NULL;
423 }
424
425 static inline Elf32_Addr
426 elf_machine_fixup_plt (struct link_map *map, lookup_t t,
427 const Elf32_Rela *reloc,
428 Elf32_Addr *reloc_addr, Elf32_Addr value)
429 {
430 return *reloc_addr = value;
431 }
432
433 /* Return the final value of a plt relocation. */
434 static inline Elf32_Addr
435 elf_machine_plt_value (struct link_map *map, const Elf32_Rela *reloc,
436 Elf32_Addr value)
437 {
438 return value + reloc->r_addend;
439 }
440
441 #endif /* !dl_machine_h */
442
443 #ifdef RESOLVE
444
445 /* SH never uses Elf32_Rel relocations. */
446 #define ELF_MACHINE_NO_REL 1
447
448 /* Perform the relocation specified by RELOC and SYM (which is fully resolved).
449 MAP is the object containing the reloc. */
450
451 static inline void
452 elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
453 const Elf32_Sym *sym, const struct r_found_version *version,
454 void *const reloc_addr_arg)
455 {
456 Elf32_Addr *const reloc_addr = reloc_addr_arg;
457 const unsigned int r_type = ELF32_R_TYPE (reloc->r_info);
458 Elf32_Addr value;
459
460 #define COPY_UNALIGNED_WORD(swp, twp, align) \
461 { \
462 void *__s = (swp), *__t = (twp); \
463 switch ((align)) \
464 { \
465 case 0: \
466 *(unsigned long *) __t = *(unsigned long *) __s; \
467 break; \
468 case 2: \
469 *((unsigned short *) __t)++ = *((unsigned short *) __s)++; \
470 *((unsigned short *) __t) = *((unsigned short *) __s); \
471 break; \
472 default: \
473 *((unsigned char *) __t)++ = *((unsigned char *) __s)++; \
474 *((unsigned char *) __t)++ = *((unsigned char *) __s)++; \
475 *((unsigned char *) __t)++ = *((unsigned char *) __s)++; \
476 *((unsigned char *) __t) = *((unsigned char *) __s); \
477 break; \
478 } \
479 }
480
481 if (__builtin_expect (r_type == R_SH_RELATIVE, 0))
482 {
483 #ifndef RTLD_BOOTSTRAP
484 if (map != &GL(dl_rtld_map)) /* Already done in rtld itself. */
485 #endif
486 {
487 if (reloc->r_addend)
488 value = map->l_addr + reloc->r_addend;
489 else
490 {
491 COPY_UNALIGNED_WORD (reloc_addr_arg, &value,
492 (int) reloc_addr_arg & 3);
493 value += map->l_addr;
494 }
495 COPY_UNALIGNED_WORD (&value, reloc_addr_arg,
496 (int) reloc_addr_arg & 3);
497 }
498 }
499 #ifndef RTLD_BOOTSTRAP
500 else if (__builtin_expect (r_type == R_SH_NONE, 0))
501 return;
502 #endif
503 else
504 {
505 const Elf32_Sym *const refsym = sym;
506 #if defined USE_TLS && !defined RTLD_BOOTSTRAP
507 struct link_map *sym_map = RESOLVE_MAP (&sym, version, r_type);
508
509 value = sym == NULL ? 0 : sym_map->l_addr + sym->st_value;
510 #else
511
512 value = RESOLVE (&sym, version, r_type);
513 # ifndef RTLD_BOOTSTRAP
514 if (sym != NULL)
515 # endif
516 value += sym->st_value;
517 #endif
518 value += reloc->r_addend;
519
520 switch (r_type)
521 {
522 case R_SH_COPY:
523 if (sym == NULL)
524 /* This can happen in trace mode if an object could not be
525 found. */
526 break;
527 if (sym->st_size > refsym->st_size
528 || (sym->st_size < refsym->st_size && GL(dl_verbose)))
529 {
530 const char *strtab;
531
532 strtab = (const char *) D_PTR (map, l_info[DT_STRTAB]);
533 _dl_error_printf ("\
534 %s: Symbol `%s' has different size in shared object, consider re-linking\n",
535 rtld_progname ?: "<program name unknown>",
536 strtab + refsym->st_name);
537 }
538 memcpy (reloc_addr_arg, (void *) value,
539 MIN (sym->st_size, refsym->st_size));
540 break;
541 case R_SH_GLOB_DAT:
542 case R_SH_JMP_SLOT:
543 /* These addresses are always aligned. */
544 *reloc_addr = value;
545 break;
546 #if defined USE_TLS && (!defined RTLD_BOOTSTRAP || USE___THREAD)
547 /* XXX Remove TLS relocations which are not needed. */
548 case R_SH_TLS_DTPMOD32:
549 # ifdef RTLD_BOOTSTRAP
550 /* During startup the dynamic linker is always the module
551 with index 1.
552 XXX If this relocation is necessary move before RESOLVE
553 call. */
554 *reloc_addr = 1;
555 # else
556 /* Get the information from the link map returned by the
557 resolv function. */
558 if (sym_map != NULL)
559 *reloc_addr = sym_map->l_tls_modid;
560 # endif
561 break;
562 case R_SH_TLS_DTPOFF32:
563 # ifndef RTLD_BOOTSTRAP
564 /* During relocation all TLS symbols are defined and used.
565 Therefore the offset is already correct. */
566 if (sym != NULL)
567 *reloc_addr = sym->st_value;
568 # endif
569 break;
570 case R_SH_TLS_TPOFF32:
571 /* The offset is positive, afterward from the thread pointer. */
572 # ifdef RTLD_BOOTSTRAP
573 *reloc_addr = map->l_tls_offset + sym->st_value + reloc->r_addend;
574 # else
575 /* We know the offset of object the symbol is contained in.
576 It is a positive value which will be added to the thread
577 pointer. To get the variable position in the TLS block
578 we add the offset from that of the TLS block. */
579 CHECK_STATIC_TLS (map, sym_map);
580 *reloc_addr
581 = ((sym == NULL ? 0 : sym_map->l_tls_offset + sym->st_value)
582 + reloc->r_addend);
583 # endif
584 break;
585 #endif /* use TLS */
586 case R_SH_DIR32:
587 {
588 #ifndef RTLD_BOOTSTRAP
589 /* This is defined in rtld.c, but nowhere in the static
590 libc.a; make the reference weak so static programs can
591 still link. This declaration cannot be done when
592 compiling rtld.c (i.e. #ifdef RTLD_BOOTSTRAP) because
593 rtld.c contains the common defn for _dl_rtld_map, which
594 is incompatible with a weak decl in the same file. */
595 # ifndef SHARED
596 weak_extern (GL(dl_rtld_map));
597 # endif
598 if (map == &GL(dl_rtld_map))
599 /* Undo the relocation done here during bootstrapping.
600 Now we will relocate it anew, possibly using a
601 binding found in the user program or a loaded library
602 rather than the dynamic linker's built-in definitions
603 used while loading those libraries. */
604 value -= map->l_addr + refsym->st_value + reloc->r_addend;
605 #endif
606 COPY_UNALIGNED_WORD (&value, reloc_addr_arg,
607 (int) reloc_addr_arg & 3);
608 break;
609 }
610 case R_SH_REL32:
611 value = (value - (Elf32_Addr) reloc_addr);
612 COPY_UNALIGNED_WORD (&value, reloc_addr_arg,
613 (int) reloc_addr_arg & 3);
614 break;
615 default:
616 _dl_reloc_bad_type (map, r_type, 0);
617 break;
618 }
619 }
620 }
621
622 static inline void
623 elf_machine_rela_relative (Elf32_Addr l_addr, const Elf32_Rela *reloc,
624 void *const reloc_addr_arg)
625 {
626 Elf32_Addr *const reloc_addr = reloc_addr_arg;
627 Elf32_Addr value;
628
629 if (reloc->r_addend)
630 value = l_addr + reloc->r_addend;
631 else
632 {
633 COPY_UNALIGNED_WORD (reloc_addr_arg, &value, (int) reloc_addr_arg & 3);
634 value += l_addr;
635 }
636 COPY_UNALIGNED_WORD (&value, reloc_addr_arg, (int) reloc_addr_arg & 3);
637
638 #undef COPY_UNALIGNED_WORD
639 }
640
641 static inline void
642 elf_machine_lazy_rel (struct link_map *map,
643 Elf32_Addr l_addr, const Elf32_Rela *reloc)
644 {
645 Elf32_Addr *const reloc_addr = (void *) (l_addr + reloc->r_offset);
646 /* Check for unexpected PLT reloc type. */
647 if (ELF32_R_TYPE (reloc->r_info) == R_SH_JMP_SLOT)
648 {
649 if (__builtin_expect (map->l_mach.plt, 0) == 0)
650 *reloc_addr += l_addr;
651 else
652 *reloc_addr =
653 map->l_mach.plt
654 + (((Elf32_Addr) reloc_addr) - map->l_mach.gotplt) * 7;
655 }
656 else
657 _dl_reloc_bad_type (map, ELF32_R_TYPE (reloc->r_info), 1);
658 }
659
660 #endif /* RESOLVE */
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