aboutsummaryrefslogtreecommitdiffstats
path: root/toolchain/uClibc/patches/0.9.28.2/407-ldso-avr32-2.patch
blob: ddeb84d0694595f2d4dafaae5c31e87bc190b5ac (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
Subject: [PATCH] ldso: AVR32 support

This implements the AVR32-specific parts of the dynamic linker.

---

 ldso/ldso/avr32/dl-debug.h    |   45 +++++++++
 ldso/ldso/avr32/dl-startup.h  |  110 ++++++++++++++++++++++++
 ldso/ldso/avr32/dl-syscalls.h |    5 +
 ldso/ldso/avr32/dl-sysdep.h   |  103 ++++++++++++++++++++++
 ldso/ldso/avr32/elfinterp.c   |  191 ++++++++++++++++++++++++++++++++++++++++++
 ldso/ldso/avr32/resolve.S     |   28 ++++++
 6 files changed, 482 insertions(+)

Index: uClibc-0.9.28/ldso/ldso/avr32/dl-debug.h
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ uClibc-0.9.28/ldso/ldso/avr32/dl-debug.h	2006-05-05 09:30:43.000000000 +0200
@@ -0,0 +1,45 @@
+/*
+ * AVR32 ELF shared libary loader support
+ *
+ * Copyright (C) 2005 Atmel Norway
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. The name of the above contributors may not be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+static const char *_dl_reltypes_tab[] = {
+    "R_AVR32_NONE",
+    "R_AVR32_32", "R_AVR32_16", "R_AVR32_8",
+    "R_AVR32_32_PCREL", "R_AVR32_16_PCREL", "R_AVR32_8_PCREL",
+    "R_AVR32_DIFF32", "R_AVR32_DIFF16", "R_AVR32_DIFF8",
+    "R_AVR32_GOT32", "R_AVR32_GOT16", "R_AVR32_GOT8",
+    "R_AVR32_21S", "R_AVR32_16U", "R_AVR32_16S", "R_AVR32_8S", "R_AVR32_8S_EXT",
+    "R_AVR32_22H_PCREL", "R_AVR32_18W_PCREL", "R_AVR32_16B_PCREL",
+    "R_AVR32_16N_PCREL", "R_AVR32_14UW_PCREL", "R_AVR32_11H_PCREL",
+    "R_AVR32_10UW_PCREL", "R_AVR32_9H_PCREL", "R_AVR32_9UW_PCREL",
+    "R_AVR32_HI16", "R_AVR32_LO16",
+    "R_AVR32_GOTPC", "R_AVR32_GOTCALL", "R_AVR32_LDA_GOT",
+    "R_AVR32_GOT21S", "R_AVR32_GOT18SW", "R_AVR32_GOT16S", "R_AVR32_GOT7UW",
+    "R_AVR32_32_CPENT", "R_AVR32_CPCALL", "R_AVR32_16_CP", "R_AVR32_9W_CP",
+    "R_AVR32_RELATIVE", "R_AVR32_GLOB_DAT", "R_AVR32_JMP_SLOT",
+    "R_AVR32_ALIGN",
+};
Index: uClibc-0.9.28/ldso/ldso/avr32/dl-startup.h
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ uClibc-0.9.28/ldso/ldso/avr32/dl-startup.h	2006-05-05 09:29:45.000000000 +0200
@@ -0,0 +1,110 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Architecture specific code used by dl-startup.c
+ * Copyright (C) 2005 Atmel Norway
+ */
+
+/* This is the library loader's main entry point. Let _dl_boot2 do its
+ * initializations and jump to the application's entry point
+ * afterwards. */
+asm(	"	.text\n"
+	"	.global	_start\n"
+	"	.type	_start,@function\n"
+	"_start:\n"
+	/* All arguments are on the stack initially */
+	"	mov	r12, sp\n"
+	"	rcall	_dl_start\n"
+	/* Returns user entry point in r12. Save it. */
+	"	mov	r0, r12\n"
+	/* We're PIC, so get the Global Offset Table */
+	"	lddpc	r6, .L_GOT\n"
+	".L_RGOT:\n"
+	"	rsub	r6, pc\n"
+	/* Adjust argc and argv according to _dl_skip_args */
+	"	ld.w	r1, r6[_dl_skip_args@got]\n"
+	"	ld.w	r1, r1[0]\n"
+	"	ld.w	r2, sp++\n"
+	"	sub	r2, r1\n"
+	"	add	sp, sp, r1 << 2\n"
+	"	st.w	--sp, r2\n"
+	/* Load the finalizer function */
+	"	ld.w	r12, r6[_dl_fini@got]\n"
+	/* Jump to the user's entry point */
+	"	mov	pc, r0\n\n"
+
+	"	.align	2\n"
+	".L_GOT:"
+	"	.long	.L_RGOT - _GLOBAL_OFFSET_TABLE_\n"
+	"	.size	_start, . - _start\n"
+	"	.previous\n");
+
+/* Get a pointer to the argv array.  On many platforms this can be just
+ * the address if the first argument, on other platforms we need to
+ * do something a little more subtle here. */
+#define GET_ARGV(ARGVP, ARGS) ARGVP = ((unsigned long *)ARGS + 1)
+
+
+/* We can't call functions before the GOT has been initialized */
+#define NO_FUNCS_BEFORE_BOOTSTRAP
+
+/*
+ * Relocate the GOT during dynamic loader bootstrap.  This will add
+ * the load address to all entries in the GOT, which is necessary
+ * because the linker doesn't generate R_AVR32_RELATIVE relocs for the
+ * GOT.
+ */
+static __always_inline
+void PERFORM_BOOTSTRAP_GOT(struct elf_resolve *tpnt)
+{
+	Elf32_Addr i, nr_got;
+	register Elf32_Addr *__r6 __asm__("r6");
+	Elf32_Addr *got = __r6;
+
+	nr_got = tpnt->dynamic_info[DT_AVR32_GOTSZ_IDX] / sizeof(*got);
+	for (i = 2; i < nr_got; i++)
+		got[i] += tpnt->loadaddr;
+}
+
+#define PERFORM_BOOTSTRAP_GOT(tpnt) PERFORM_BOOTSTRAP_GOT(tpnt)
+
+/* Handle relocation of the symbols in the dynamic loader. */
+static __always_inline
+void PERFORM_BOOTSTRAP_RELOC(ELF_RELOC *rpnt, unsigned long *reloc_addr,
+			     unsigned long symbol_addr,
+			     unsigned long load_addr, Elf32_Sym *symtab)
+{
+	switch(ELF32_R_TYPE(rpnt->r_info)) {
+	case R_AVR32_NONE:
+		break;
+	case R_AVR32_GLOB_DAT:
+	case R_AVR32_JMP_SLOT:
+		*reloc_addr = symbol_addr;
+		break;
+	case R_AVR32_RELATIVE:
+		SEND_STDERR_DEBUG("Applying RELATIVE relocation: ");
+		SEND_ADDRESS_STDERR_DEBUG(load_addr, 0);
+		SEND_STDERR_DEBUG(" + ");
+		SEND_ADDRESS_STDERR_DEBUG(rpnt->r_addend, 1);
+		*reloc_addr = load_addr + rpnt->r_addend;
+		break;
+	default:
+		SEND_STDERR("BOOTSTRAP_RELOC: unhandled reloc_type ");
+		SEND_NUMBER_STDERR(ELF32_R_TYPE(rpnt->r_info), 1);
+		SEND_STDERR("REL, SYMBOL, LOAD: ");
+		SEND_ADDRESS_STDERR(reloc_addr, 0);
+		SEND_STDERR(", ");
+		SEND_ADDRESS_STDERR(symbol_addr, 0);
+		SEND_STDERR(", ");
+		SEND_ADDRESS_STDERR(load_addr, 1);
+		_dl_exit(1);
+	}
+}
+
+/* Transfer control to the user's application, once the dynamic loader
+ * is done. This routine has to exit the current function, then call
+ * the _dl_elf_main function.
+ *
+ * Since our _dl_boot will simply call whatever is returned by
+ * _dl_boot2, we can just return the address we're supposed to
+ * call.  */
+#define START()	return _dl_elf_main;
Index: uClibc-0.9.28/ldso/ldso/avr32/dl-syscalls.h
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ uClibc-0.9.28/ldso/ldso/avr32/dl-syscalls.h	2006-05-05 09:29:25.000000000 +0200
@@ -0,0 +1,5 @@
+/* We can't use the real errno in ldso, since it has not yet
+ * been dynamicly linked in yet. */
+extern int _dl_errno;
+#define __set_errno(X) {(_dl_errno) = (X);}
+#include "sys/syscall.h"
Index: uClibc-0.9.28/ldso/ldso/avr32/dl-sysdep.h
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ uClibc-0.9.28/ldso/ldso/avr32/dl-sysdep.h	2006-05-05 09:30:43.000000000 +0200
@@ -0,0 +1,103 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Various assembly language/system dependent hacks that are required
+ * so that we can minimize the amount of platform specific code.
+ * Copyright (C) 2004-2005 Atmel Norway
+ */
+
+/* Define this if the system uses RELOCA. */
+#define ELF_USES_RELOCA
+
+#include <elf.h>
+
+#define ARCH_NUM 1
+#define DT_AVR32_GOTSZ_IDX	(DT_NUM + OS_NUM)
+
+#define ARCH_DYNAMIC_INFO(dpnt, dynamic, debug_addr)			\
+	do {								\
+		if (dpnt->d_tag == DT_AVR32_GOTSZ)			\
+			dynamic[DT_AVR32_GOTSZ_IDX] = dpnt->d_un.d_val;	\
+	} while (0)
+
+/* Initialization sequence for the application/library GOT. */
+#define INIT_GOT(GOT_BASE,MODULE)					\
+	do {								\
+		unsigned long i, nr_got;				\
+									\
+		GOT_BASE[0] = (unsigned long) _dl_linux_resolve;	\
+		GOT_BASE[1] = (unsigned long) MODULE;			\
+									\
+		/* Add load address displacement to all GOT entries */	\
+		nr_got = MODULE->dynamic_info[DT_AVR32_GOTSZ_IDX] / 4;	\
+		for (i = 2; i < nr_got; i++)				\
+			GOT_BASE[i] += (unsigned long)MODULE->loadaddr;	\
+	} while (0)
+
+#define do_rem(result, n, base)	((result) = (n) % (base))
+
+/* Here we define the magic numbers that this dynamic loader should accept */
+#define MAGIC1 EM_AVR32
+#undef MAGIC2
+
+/* Used for error messages */
+#define ELF_TARGET "AVR32"
+
+unsigned long _dl_linux_resolver(unsigned long got_offset, unsigned long *got);
+
+/* 4096 bytes alignment */
+#define PAGE_ALIGN 0xfffff000
+#define ADDR_ALIGN 0xfff
+#define OFFS_ALIGN 0x7ffff000
+
+#define elf_machine_type_class(type)				\
+	((type == R_AVR32_JMP_SLOT) * ELF_RTYPE_CLASS_PLT)
+
+/* AVR32 doesn't need any COPY relocs */
+#define DL_NO_COPY_RELOCS
+
+/* Return the link-time address of _DYNAMIC.  Conveniently, this is the
+   first element of the GOT.  This must be inlined in a function which
+   uses global data.  */
+static inline Elf32_Addr
+elf_machine_dynamic (void)
+{
+	register Elf32_Addr *got asm ("r6");
+	return *got;
+}
+
+/* Return the run-time load address of the shared object.  */
+static inline Elf32_Addr
+elf_machine_load_address (void)
+{
+	extern void __dl_start asm("_dl_start");
+	Elf32_Addr got_addr = (Elf32_Addr) &__dl_start;
+	Elf32_Addr pcrel_addr;
+
+	asm   ("	lddpc	%0, 2f\n"
+	       "1:	add	%0, pc\n"
+	       "	rjmp	3f\n"
+	       "	.align	2\n"
+	       "2:	.long	_dl_start - 1b\n"
+	       "3:\n"
+	       : "=r"(pcrel_addr) : : "cc");
+
+	return pcrel_addr - got_addr;
+}
+
+/*
+ * Perform any RELATIVE relocations specified by DT_RELCOUNT.
+ * Currently, we don't use that tag, but we might in the future as
+ * this would reduce the startup time somewhat (although probably not by much).
+ */
+static inline void
+elf_machine_relative (Elf32_Addr load_off, const Elf32_Addr rel_addr,
+		      Elf32_Word relative_count)
+{
+	Elf32_Rela *rpnt = (void *)rel_addr;
+
+	do {
+		Elf32_Addr *reloc_addr;
+		reloc_addr = (void *)(load_off + (rpnt++)->r_offset);
+		*reloc_addr = load_off + rpnt->r_addend;
+	} while (--relative_count);
+}
Index: uClibc-0.9.28/ldso/ldso/avr32/elfinterp.c
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ uClibc-0.9.28/ldso/ldso/avr32/elfinterp.c	2006-05-05 09:30:43.000000000 +0200
@@ -0,0 +1,191 @@
+/*
+ * AVR32 ELF shared library loader suppport
+ *
+ * Copyright (C) 2004-2006 Atmel Corporation
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. The name of the above contributors may not be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+unsigned long _dl_linux_resolver(unsigned long got_offset, unsigned long *got)
+{
+	struct elf_resolve *tpnt = (struct elf_resolve *)got[1];
+	Elf32_Sym *sym;
+	unsigned long local_gotno;
+	unsigned long gotsym;
+	unsigned long new_addr;
+	char *strtab, *symname;
+	unsigned long *entry;
+	unsigned long sym_index = got_offset / 4;
+
+#if 0
+	local_gotno = tpnt->dynamic_info[DT_AVR32_LOCAL_GOTNO];
+	gotsym = tpnt->dynamic_info[DT_AVR32_GOTSYM];
+
+	sym = ((Elf32_Sym *)(tpnt->dynamic_info[DT_SYMTAB] + tpnt->loadaddr))
+		+ sym_index;
+	strtab = (char *)(tpnt->dynamic_info[DT_STRTAB] + tpnt->loadaddr);
+	symname = strtab + sym->st_name;
+
+#if 0
+	new_addr = (unsigned long) _dl_find_hash(strtab + sym->st_name,
+						 tpnt->symbol_scope, tpnt,
+						 resolver);
+#endif
+
+	entry = (unsigned long *)(got + local_gotno + sym_index - gotsym);
+	*entry = new_addr;
+#endif
+
+	return new_addr;
+}
+
+static int
+_dl_parse(struct elf_resolve *tpnt, struct dyn_elf *scope,
+	  unsigned long rel_addr, unsigned long rel_size,
+	  int (*reloc_func)(struct elf_resolve *tpnt, struct dyn_elf *scope,
+			    Elf32_Rela *rpnt, Elf32_Sym *symtab, char *strtab))
+{
+	Elf32_Sym *symtab;
+	Elf32_Rela *rpnt;
+	char *strtab;
+	int i;
+
+	rpnt = (Elf32_Rela *)rel_addr;
+	rel_size /= sizeof(Elf32_Rela);
+	symtab = (Elf32_Sym *)tpnt->dynamic_info[DT_SYMTAB];
+	strtab = (char *)tpnt->dynamic_info[DT_STRTAB];
+
+	for (i = 0; i < rel_size; i++, rpnt++) {
+		int symtab_index, res;
+
+		symtab_index = ELF32_R_SYM(rpnt->r_info);
+
+		debug_sym(symtab, strtab, symtab_index);
+		debug_reloc(symtab, strtab, rpnt);
+
+		res = reloc_func(tpnt, scope, rpnt, symtab, strtab);
+
+		if (res == 0)
+			continue;
+
+		_dl_dprintf(2, "\n%s: ", _dl_progname);
+
+		if (symtab_index)
+			_dl_dprintf(2, "symbol '%s': ",
+				    strtab + symtab[symtab_index].st_name);
+
+		if (res < 0) {
+			int reloc_type = ELF32_R_TYPE(rpnt->r_info);
+#if defined(__SUPPORT_LD_DEBUG__)
+			_dl_dprintf(2, "can't handle reloc type %s\n",
+				    _dl_reltypes(reloc_type));
+#else
+			_dl_dprintf(2, "can't handle reloc type %x\n",
+				    reloc_type);
+#endif
+			_dl_exit(-res);
+		} else {
+			_dl_dprintf(2, "can't resolve symbol\n");
+			return res;
+		}
+	}
+
+	return 0;
+}
+
+static int _dl_do_reloc(struct elf_resolve *tpnt, struct dyn_elf *scope,
+			Elf32_Rela *rpnt, Elf32_Sym *symtab, char *strtab)
+{
+	int reloc_type;
+	int symtab_index;
+	char *symname;
+	unsigned long *reloc_addr;
+	unsigned long symbol_addr;
+#if defined(__SUPPORT_LD_DEBUG__)
+	unsigned long old_val;
+#endif
+
+	reloc_addr = (unsigned long *)(tpnt->loadaddr + rpnt->r_offset);
+	reloc_type = ELF32_R_TYPE(rpnt->r_info);
+	symtab_index = ELF32_R_SYM(rpnt->r_info);
+	symbol_addr = 0;
+	symname = strtab + symtab[symtab_index].st_name;
+
+	if (symtab_index) {
+		symbol_addr = (unsigned long)
+			_dl_find_hash(strtab + symtab[symtab_index].st_name,
+				      tpnt->symbol_scope, tpnt,
+				      elf_machine_type_class(reloc_type));
+
+		/* Allow undefined references to weak symbols */
+		if (!symbol_addr &&
+		    ELF32_ST_BIND(symtab[symtab_index].st_info) != STB_WEAK) {
+			_dl_dprintf(2, "%s: can't resolve symbol '%s'\n",
+				    _dl_progname, symname);
+			return 0;
+		}
+	}
+
+#if defined(__SUPPORT_LD_DEBUG__)
+	old_val = *reloc_addr;
+#endif
+	switch (reloc_type) {
+	case R_AVR32_NONE:
+		break;
+	case R_AVR32_GLOB_DAT:
+	case R_AVR32_JMP_SLOT:
+		*reloc_addr = symbol_addr + rpnt->r_addend;
+		break;
+	case R_AVR32_RELATIVE:
+		*reloc_addr = (unsigned long)tpnt->loadaddr
+			+ rpnt->r_addend;
+		break;
+	default:
+		return -1;
+	}
+
+#if defined(__SUPPORT_LD_DEBUG__)
+	if (_dl_debug_reloc && _dl_debug_detail)
+		_dl_dprintf(_dl_debug_file, "\tpatched: %x ==> %x @ %x\n",
+			    old_val, *reloc_addr);
+#endif
+
+	return 0;
+}
+
+void _dl_parse_lazy_relocation_information(struct dyn_elf *rpnt,
+					   unsigned long rel_addr,
+					   unsigned long rel_size)
+{
+	/* TODO: Might want to support this in order to get faster
+	 * startup times... */
+}
+
+int _dl_parse_relocation_information(struct dyn_elf *rpnt,
+				     unsigned long rel_addr,
+				     unsigned long rel_size)
+{
+	return _dl_parse(rpnt->dyn, rpnt->dyn->symbol_scope, rel_addr, rel_size,
+			 _dl_do_reloc);
+}
Index: uClibc-0.9.28/ldso/ldso/avr32/resolve.S
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ uClibc-0.9.28/ldso/ldso/avr32/resolve.S	2006-05-05 09:29:25.000000000 +0200
@@ -0,0 +1,28 @@
+/*
+ * Linux dynamic resolving code for AVR32. Fixes up the GOT entry as
+ * indicated in register r12 and jumps to the resolved address.
+ *
+ * This file is subject to the terms and conditions of the GNU Lesser General
+ * Public License.  See the file "COPYING.LIB" in the main directory of this
+ * archive for more details.
+ *
+ * Copyright (C) 2004 Atmel Norway
+ */
+
+#define ip r5
+
+	.text
+	.global	_dl_linux_resolve
+	.type	_dl_linux_resolve,@function
+_dl_linux_resolve:
+	/* The PLT code pushed r8 for us. It contains the address of this
+	   function's GOT entry, that is entry 0. ip contains the address
+	   of the GOT entry of the function we wanted to call. */
+	stm	--sp, r9-r12, lr
+	mov	r11, r8
+	sub	r12, ip, r8
+	rcall	_dl_linux_resolver
+	mov	ip, r12
+	popm	r8-r12,lr
+	mov	pc, ip
+	.size	_dl_linux_resolve, . - _dl_linux_resolve