aboutsummaryrefslogtreecommitdiff
path: root/bfd/ChangeLog
blob: 8360a56f9f79ca34f43f5f5d18694518740d226e (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
2004-01-16  Kazu Hirata  <kazu@cs.umass.edu>

	* coff-h8300.c: Fix comment typos.
	* elf32-h8300.c: Likewise.

2004-01-16  Kazu Hirata  <kazu@cs.umass.edu>

	* coff-h8300.c: Add comments about relaxation.
	* elf32-h8300.c: Likewise.

2004-01-14  Maciej W. Rozycki  <macro@ds2.pg.gda.pl>

	* acinclude.m4: Quote names of macros to be defined by AC_DEFUN
	throughout.
	* aclocal.m4: Regenerate.
	* configure: Regenerate.

2004-01-13  Ian Lance Taylor  <ian@wasabisystems.com>

	* elf64-mips.c (mips_elf64_slurp_one_reloc_table): Call
	mips_elf64_rtype_to_howto instead of using howto_table.

2004-01-13  Daniel Jacobowitz  <drow@mvista.com>

	* elf32-arm.h (elf32_arm_final_link_relocate): Check that we created
	the .plt section.
	(elf32_arm_check_relocs): Don't increment the PLT refcount for
	relocs which would not use the PLT.

2004-01-13  Alan Modra  <amodra@bigpond.net.au>

	* elf64-ppc.c (ppc64_elf_check_relocs): Ignore !SEC_ALLOC relocs.
	(ppc64_elf_gc_sweep_hook): Likewise.
	(ppc64_elf_size_dynamic_sections): Test for .plt directly.

2004-01-12  Anil Paranjpe  <anilp1@KPITCummins.com>

	Adds linker relaxation support for bit manipulation insns like
	band, bclr, biand, bild, bior, bist, bixor, bld, bnot, bor, bset,
	bst, btst, bxor.
	* elf32-h8300.c: Opcode for bit manipulation insn is checked in
	elf32_h8_relax_section function while relxation for aa:16 and aa:32.
	* coff-h8300.c: Opcode for bit manipulation insn is checked in
	h8300_reloc16_extra_cases function while relxation for aa:16 and aa:32.

2004-01-12  Alan Modra  <amodra@bigpond.net.au>

	* dwarf2.c: Convert to C90, remove unneeded casts and prototypes.

2004-01-11  Kazu Hirata  <kazu@cs.umass.edu>

	* elf32-h8300.c: Fix formatting.

2004-01-11  Kazu Hirata  <kazu@cs.umass.edu>

	* elf32-cris.c (cris_elf_gc_sweep_hook): Return early if no
	dynamic object is present.  Declare r_symndx and h in an inner
	scope.
	* elf32-vax.c (elf_vax_gc_sweep_hook): Likewise.

2004-01-09  Daniel Jacobowitz  <drow@mvista.com>

	* elf32-arm.h (struct elf32_arm_relocs_copied): Remove pc_count.
	(elf32_arm_copy_indirect_symbol): Don't copy pc_count.
	(elf32_arm_final_link_relocate): Handle PLT32 and PC24 relocs
	identically.  Do not emit PC24 relocations for shared libraries.
	(elf32_arm_gc_sweep_hook): Handle PLT32 and PC24 relocs
	identically.  Don't adjust pc_count.
	(elf32_arm_check_relocs): Handle PLT32 and PC24 relocs identically.
	Set ELF_LINK_HASH_NEEDS_PLT for both.  Don't adjust pc_count; don't
	adjust count for branch relocations.
	(allocate_dynrelocs): Correct typo in call to
	WILL_CALL_FINISH_DYNAMIC_SYMBOL.  Never allocate space for
	PC24 or PLT32 relocs when linking.

2004-01-09  Dmitry Semyonov  <Dmitry.Semyonov@oktet.ru>

	* coff-arm.c (aoutarm_std_reloc_howto): [ARM_WINCE] Synchronize ARM_26D
	relocation howto with ARM_26 one for consistency.
	(coff_arm_relocate_section): Set partial_inplace for ARM_26 relocations
	that will be converted to ARM_26D ones, since we always want 'done'
	relocations to be reflected in section's data.
	(coff_arm_relocate_section): [ARM_WINCE] Quick fix for BL instruction
	offset.
	(_bfd_final_link_relocate): Do not modify "inplace" data, if not
	requested.

2004-01-08  Dmitry Semyonov  <Dmitry.Semyonov@oktet.ru>

	* coff-arm.c (coff_arm_relocate_section): Do not alter relocs that
	are not partial_inplace during a relocatable link.

2004-01-08  Kazu Hirata  <kazu@cs.umass.edu>

	* elf32-m68k.c (elf_m68k_gc_sweep_hook): Return early
	if no dynamic object is present.  Declare r_symndx and h in an
	inner scope.

2004-01-07  H.J. Lu  <hongjiu.lu@intel.com>

	* elfxx-ia64.c (elfNN_ia64_relax_section): Don't install
	trampoline if it is known out of range.

2004-01-06  Alexandre Oliva  <aoliva@redhat.com>

	2003-12-17  Alexandre Oliva  <aoliva@redhat.com>
	* elf32-frv.c (_frv_osec_readonly_p): New.
	(_frv_emit_got_relocs_plt_entries): Don't emit rofixup for
	undefweak symbol.
	(_frv_count_got_plt_entries): Adjust expected count accordingly.
	(elf32_frv_relocate_section): Likewise.  Error out if attempting
	to emit rofixups or dynamic relocs in read-only segments.  Use
	_bfd_elf_section_offset to adjust r_offsets in rofixups and
	dynamic relocations.
	2003-12-12  Alexandre Oliva  <aoliva@redhat.com>
	* elf32-frv.c (elf32_frv_relocate_section): Compute dynamic
	relocations or fixups involving merged sections correctly.  Avoid
	crash when undefined symbol is referenced by R_FRV_32 or
	R_FRV_FUNCDESC_VALUE.
	2003-12-02  Alexandre Oliva  <aoliva@redhat.com>
	* elf32-frv.c (elf32_frv_relocate_section): Add output_offset of
	input section holding local symbol to addend of R_FRV_32 or
	R_FRV_FUNCDESC_VALUE dynamic relocation.
	2003-11-27  Alexandre Oliva  <aoliva@redhat.com>
	* elf32-frv.c (elf32_frv_modify_segment_map): Add link info arg.
	(elf32_frv_always_size_sections): Don't store pointer to
	__stacksize symbol in sec_info.
	(elf32_frv_modify_segment_map): Look it up here.
	2003-11-26  Alexandre Oliva  <aoliva@redhat.com>
	* elf32-frv.c (_frv_emit_got_relocs_plt_entries): Emit the address
	of the lazy PLT entry, not only its offset, as the low word of a
	function descriptor.
	2003-11-10  Alexandre Oliva  <aoliva@redhat.com>
	* elf32-frv.c (elf32_frv_always_size_sections): Define __stacksize
	if a hash table entry already exists but is not a definition.
	2003-11-05  Alexandre Oliva  <aoliva@redhat.com>
	* elf32-frv.c (frv_elf_link_hash_table_create): Use bfd_zalloc.
	(_frv_add_rofixup): Don't inline.
	(_frv_emit_got_relocs_plt_entries): Use NULL as funcdesc address
	for undefweak symbols.
	(elf32_frv_relocate_section): Avoid crash while computing
	relocation when linking with shared library.  Only emit rofixups
	and dynamic relocations for alloc&load sections.  Mark binaries
	with inter-segment relocations for relocation as a unit.
	(_frv_create_got_section): Rename .rofixup.got to .rofixup.
	(DEFAULT_STACK_SIZE): New.
	(_frv_count_got_plt_entries): Fix thinko in deciding whether to
	emit rofixups or dynamic relocs when linking dynamic non-PIE
	executables.
	(elf32_frv_size_dynamic_sections): Generate rofixup on PIEs and
	shared libs too.  Reserve the last entry for the GOT pointer.
	(elf32_frv_finish_dynamic_sections): Emit it.
	(elf32_frv_always_size_sections): New.
	(elf32_frv_modify_segment_map): New.
	(elf32_frv_check_relocs): Reserve relocs32 space only in ALLOC
	sections.
	(frv_elf_merge_private_bfd_data): Clear PIC bit if FDPIC is set.
	(frv_elf_print_private_bfd_data): Handle FDPIC and LIBPIC.
	(elf_backend_always_size_sections): New.
	(elf_backend_modify_segment_map): New.
	2003-10-31  Alexandre Oliva  <aoliva@redhat.com>
	* config.bfd: Added frv-*-*linux*.
	* elf32-frv.c (_frv_emit_got_relocs_plt_entries): Use idx 0 for
	ABS section, instead of crashing.
	(elf32_frv_relocate_section): Don't crash before warning about
	different segments in non-PIC relocation.
	2003-10-17  Alexandre Oliva  <aoliva@redhat.com>
	* elf32-frv.c (elf32_frv_relocate_section): Don't warn on LABEL24
	relocs to undefweak symbols.
	(elf32_frv_relocate_section): Ditto for undefined symbols.
	2003-10-06  Alexandre Oliva  <aoliva@redhat.com>
	* elf32-frv.c (elf32_frv_create_dynamic_sections): Make sure
	gotfixup section was created.
	2003-09-30  Alexandre Oliva  <aoliva@redhat.com>
	* elf32-frv.c (elf32_frv_howto_table): Change GOT12,
	FUNCDESC_GOT12, GOTOFF12 and FUNCDESC_GOTOFF12 to
	complain_overflow_signed.
	* elf32-frv.c (_frv_add_rofixup): Do not error out if contents
	have not been allocated.
	(_frv_emit_got_relocs_plt_entries): Return non-void.  Assert
	privfd only if dynamic sections were created.
	(elf32_frv_relocate_section): Compute gprel_segment, and use it
	for GPREL relocs.  When linking relocatable FDPIC executables,
	emit warnings for relocations that would be illegal on PIE or
	shared libraries.  Emit rofixup for R_FRV_32 only if input object
	is not FDPIC.
	(_frv_create_got_section): Define _gp symbol in the rofixup
	section.
	(elf32_frv_finish_dynamic_sections): If rofixups needed but
	dynamic sections missing, error out requesting -melf32frvfd.
	2003-09-19  Alexandre Oliva  <aoliva@redhat.com>
	* elf32-frv.c (_frv_emit_got_relocs_plt_entries): Rearrange
	computation of addends from section and global or local symbol
	value.  Change return type to bfd_boolean, and return a failure if
	a dynamic FUNCDESC or FUNCDESC_VALUE relocation that requires a
	nonzero addend is required.
	(elf32_frv_relocate_section): Likewise.  Print error for
	unsupported nonzero addends.
	2003-09-18  Alexandre Oliva  <aoliva@redhat.com>
	* elf32-frv.c (FRV_SYM_LOCAL): In the absence of dynamic sections,
	force everything local.
	(_frv_emit_got_relocs_plt_entries): Cope with NULL sec.
	* elf32-frv.c (struct frv_elf_link_hash_table): Added sgotfixup.
	(frv_gotfixup_section): New.
	(FRV_SYM_LOCAL): Accept undefweak and local common symbols.
	(struct frv_pic_relocs_info): Split relocs into relocs32, relocsfd
	and relocsfdv.
	(_frv_add_rofixup): New.
	(_frv_emit_got_relocs_plt_entries): Generate fixups for non-PIE
	fdpic executables.  Use FRV_SYM_LOCAL more widely to simplify and
	improve some ugly conditions.
	(elf32_frv_relocate_section): Likewise.  Reject inter-segment
	relocations in fdpic.
	(_frv_create_got_section): Create .rofixup.got section.
	(struct _frv_dynamic_got_info): Added fixups.
	(_frv_count_got_plt_entries): Account in-GOT relocations into
	relocs32, relocsfd and relocsfdv.  Account them into relocs or
	fixups, as appropriate.
	(elf32_frv_size_dynamic_sections): Size rofixup section.  Simplify
	sizing of gotrel.
	(elf32_frv_finish_dynamic_sections): Verify that the right number
	of relocations and fixups was generated.
	(elf32_frv_check_relocs): Compute relocs32, relocsfd and
	relocsfdv.
	* elf32-frv.c (FRV_SYM_LOCAL): New macro, used instead of
	SYMBOL_CALLS_LOCAL and SYMBOL_REFERENCES_LOCAL.
	(FRV_FUNCDESC_LOCAL): New macro, used to decide whether a function
	descriptor of a (formerly-)global symbol is local.
	(struct frv_pic_relocs_info): Adjust comments.
	(_frv_emit_got_relocs_plt_entries): Adjust.
	(elf32_frv_relocate_section): Likewise.
	(_frv_count_got_plt_entries): Likewise.
	* elf32-frv.c (_frv_emit_got_relocs_plt_entries): Don't add global
	symbol's value to addend in the common preamble.  Decay dynamic
	symbols to section+offset if they bind or call locally, for GOT
	and FUNCDESC_VALUE, respectively.
	(elf32_frv_relocate_section): Likewise.
	(elf32_frv_check_relocs): Don't register as dynamic symbols of
	internal or hidden visibility.
	2003-09-17  Alexandre Oliva  <aoliva@redhat.com>
	* elf32-frv.c (_frv_emit_got_relocs_plt_entries): Get addend as
	argument, so as to not call _bfd_elf_rel_local_sym to compute it.
	(elf32_frv_relocate_section): Pass relocation addend in.  Use
	original relocation addend to look up the got relocs/plt entries
	table.  Do not call _bfd_elf_rel_local_sym.  Don't error out when
	processing relocations that reference .scommon symbols.
	2003-09-15  Alexandre Oliva  <aoliva@redhat.com>
	Introduce support for dynamic linking.
	* elf32-frv.c (R_FRV_FUNCDESC_VALUE): Mark it as 64 bits.
	(elf32_frv_rel_32_howto, elf32_frv_rel_funcdesc_howto,
	elf32_frv_rel_funcdesc_value_howto): New REL descriptors.
	(frv_reloc_type_lookup): Return REL howtos for executables and
	dynamic libraries.
	(frv_info_to_howto_rel): New.
	(struct frv_elf_link_hash_table): New.
	(frv_hash_table, frv_got_section, frv_gotrel_section,
	frv_plt_section, frv_pltrel_section, frv_relocs_info,
	frv_got_initial_offset, frv_plt_initial_offset): New macros.
	(frv_elf_link_hash_table_create): New.
	(struct frv_pic_relocs_info): New.
	(frv_pic_relocs_info_hash, frv_pic_relocs_info_eq): New.
	(frv_pic_relocs_info_find): New.
	(frv_pic_relocs_info_for_global, frv_pic_relocs_info_for_local):
	New.
	(FRV_LZPLT_BLOCK_SIZE, FRV_LZPLT_RESOLVE_LOC): New.
	(_frv_add_dyn_reloc, _frv_osec_to_segment): New.
	(_frv_emit_got_relocs_plt_entries): New.
	(elf32_frv_relocate_section): Add support for dynamic linking.
	Handle new relocations.
	(_frv_create_got_section): New.
	(elf32_frv_create_dynamic_sections): New.
	(ELF_DYNAMIC_INTERPRETER): New.
	(struct _frv_dynamic_got_info): New.
	(_frv_count_got_plt_entries): New.
	(struct _frv_dynamic_got_plt_info): New.
	(_frv_compute_got_alloc_data): New.
	(_frv_get_got_entry, _frv_get_fd_entry): New.
	(_frv_assign_got_entries, _frv_assign_plt_entries): New.
	(_frv_resolve_final_relocs_info): New.
	(elf32_frv_size_dynamic_sections): New.
	(elf32_frv_finish_dynamic_sections): New.
	(elf32_frv_adjust_dynamic_symbol): New.
	(elf32_frv_finish_dynamic_symbol): New.
	(elf32_frv_check_relocs): Handle new relocs.  Explain how the
	whole thing works.
	(elf_info_to_howto_rel): Define.
	(bfd_elf32_bfd_link_hash_table_create): Define.
	(elf_backend_create_dynamic_sections): Define.
	(elf_backend_adjust_dynamic_symbol): Define.
	(elf_backend_size_dynamic_sections): Define.
	(elf_backend_finish_dynamic_symbol): Define.
	(elf_backend_finish_dynamic_sections): Define.
	(elf_backend_want_got_sym): Define.
	(elf_backend_got_header_size): Define.
	(elf_backend_want_got_plt): Define.
	(elf_backend_plt_readonly): Define.
	(elf_backend_want_plt_sym): Define.
	(elf_backend_plt_header_size): Define.
	(elf_backend_may_use_rel_p): Define.
	(elf_backend_may_use_rela_p): Define.
	(elf_backend_default_use_rela_p): Define.
	2003-08-08  Alexandre Oliva  <aoliva@redhat.com>
	* elf32-frv.c (R_FRV_FUNCDESC_VALUE, R_FRV_FUNCDESC_GOTOFF12,
	R_FRV_FUNCDESC_GOTOFFHI, R_FRV_FUNCDESC_GOTOFFLO, R_FRV_GOTOFF12,
	R_FRV_GOTOFFHI, R_FRV_GOTOFFLO): New.
	(frv_reloc_map): Map the corresponding BFD relocs to them.
	(frv_reloc_type_lookup): ... and back to BFD relocs.
	* reloc.c: New relocs.
	* bfd-in2.h, libbfd.h: Rebuilt.
	2003-08-04  Alexandre Oliva  <aoliva@redhat.com>
	* elf32-frv.c (R_FRV_GOT12, R_FRV_GOTHI, R_FRV_GOTLO,
	R_FRV_FUNCDESC, R_FRV_FUNCDESC_GOT12, R_FRV_FUNCDESC_GOTHI,
	R_FRV_FUNCDESC_GOTLO): New.
	(frv_reloc_map): Map the corresponding BFD relocs to them.
	(frv_reloc_type_lookup): ... and back to BFD relocs.
	* reloc.c: New relocs.
	* bfd-in2.h, libbfd.h: Rebuilt.

2004-01-05  Maciej W. Rozycki  <macro@ds2.pg.gda.pl>

	* elf32-mips.c (ELF_MAXPAGESIZE): Redefine for traditional
	targets to support pages of up to 64kB.
	(elf32_bed): Redefine to get a separate backend data structure for
	traditional targets.
	* elf64-mips.c (ELF_MAXPAGESIZE): Redefine for traditional
	targets to support pages of up to 64kB.
	(elf64_bed): Redefine to get a separate backend data structure for
	traditional targets.
	* elfn32-mips.c (ELF_MAXPAGESIZE): Redefine for traditional
	targets to support pages of up to 64kB.
	(elf32_bed): Redefine to get a separate backend data structure for
	traditional targets.

2004-01-04  Mark Kettenis  <kettenis@gnu.org>

	* elf32-sparc.c (elf32_sparc_grok_psinfo): New function.

2004-01-02  Mark Kettenis  <kettenis@gnu.org>

	* elf32-i386.c (elf_i386_grok_prstatus): Add support for FreeBSD.
	(elf_i386_grok_psinfo): Likewise.

2004-01-02  Bernardo Innocenti  <bernie@develer.com>

	* config.bfd: Add m68k-uClinux target.

2004-01-01  Grant Edwards <grante@visi.com>

	* elflink.h (elf_gc_sections): Warn when gc-sections option is ignored.
	* elf32-h8300.c (elf32_h8_gc_mark_hook): New function.
	(elf32_h8_gc_sweep_hook): New function.
	(elf_backend_gc_mark_hook): Define.
	(elf_backend_gc_sweep_hook): Define.
	(elf_backend_can_gc_sections): Define.

For older changes see ChangeLog-0203

Local Variables:
mode: change-log
left-margin: 8
fill-column: 74
version-control: never
End: