1fcd3f5b3af5e3047b50dc20d1ac3bf455217045
[binutils-gdb.git] / bfd / ChangeLog
1 2004-01-13 Daniel Jacobowitz <drow@mvista.com>
2
3 * elf32-arm.h (elf32_arm_final_link_relocate): Check that we created
4 the .plt section.
5 (elf32_arm_check_relocs): Don't increment the PLT refcount for
6 relocs which would not use the PLT.
7
8 2004-01-13 Alan Modra <amodra@bigpond.net.au>
9
10 * elf64-ppc.c (ppc64_elf_check_relocs): Ignore !SEC_ALLOC relocs.
11 (ppc64_elf_gc_sweep_hook): Likewise.
12 (ppc64_elf_size_dynamic_sections): Test for .plt directly.
13
14 2004-01-12 Anil Paranjpe <anilp1@KPITCummins.com>
15
16 Adds linker relaxation support for bit manipulation insns like
17 band, bclr, biand, bild, bior, bist, bixor, bld, bnot, bor, bset,
18 bst, btst, bxor.
19 * elf32-h8300.c: Opcode for bit manipulation insn is checked in
20 elf32_h8_relax_section function while relxation for aa:16 and aa:32.
21 * coff-h8300.c: Opcode for bit manipulation insn is checked in
22 h8300_reloc16_extra_cases function while relxation for aa:16 and aa:32.
23
24 2004-01-12 Alan Modra <amodra@bigpond.net.au>
25
26 * dwarf2.c: Convert to C90, remove unneeded casts and prototypes.
27
28 2004-01-11 Kazu Hirata <kazu@cs.umass.edu>
29
30 * elf32-h8300.c: Fix formatting.
31
32 2004-01-11 Kazu Hirata <kazu@cs.umass.edu>
33
34 * elf32-cris.c (cris_elf_gc_sweep_hook): Return early if no
35 dynamic object is present. Declare r_symndx and h in an inner
36 scope.
37 * elf32-vax.c (elf_vax_gc_sweep_hook): Likewise.
38
39 2004-01-09 Daniel Jacobowitz <drow@mvista.com>
40
41 * elf32-arm.h (struct elf32_arm_relocs_copied): Remove pc_count.
42 (elf32_arm_copy_indirect_symbol): Don't copy pc_count.
43 (elf32_arm_final_link_relocate): Handle PLT32 and PC24 relocs
44 identically. Do not emit PC24 relocations for shared libraries.
45 (elf32_arm_gc_sweep_hook): Handle PLT32 and PC24 relocs
46 identically. Don't adjust pc_count.
47 (elf32_arm_check_relocs): Handle PLT32 and PC24 relocs identically.
48 Set ELF_LINK_HASH_NEEDS_PLT for both. Don't adjust pc_count; don't
49 adjust count for branch relocations.
50 (allocate_dynrelocs): Correct typo in call to
51 WILL_CALL_FINISH_DYNAMIC_SYMBOL. Never allocate space for
52 PC24 or PLT32 relocs when linking.
53
54 2004-01-09 Dmitry Semyonov <Dmitry.Semyonov@oktet.ru>
55
56 * coff-arm.c (aoutarm_std_reloc_howto): [ARM_WINCE] Synchronize ARM_26D
57 relocation howto with ARM_26 one for consistency.
58 (coff_arm_relocate_section): Set partial_inplace for ARM_26 relocations
59 that will be converted to ARM_26D ones, since we always want 'done'
60 relocations to be reflected in section's data.
61 (coff_arm_relocate_section): [ARM_WINCE] Quick fix for BL instruction
62 offset.
63 (_bfd_final_link_relocate): Do not modify "inplace" data, if not
64 requested.
65
66 2004-01-08 Dmitry Semyonov <Dmitry.Semyonov@oktet.ru>
67
68 * coff-arm.c (coff_arm_relocate_section): Do not alter relocs that
69 are not partial_inplace during a relocatable link.
70
71 2004-01-08 Kazu Hirata <kazu@cs.umass.edu>
72
73 * elf32-m68k.c (elf_m68k_gc_sweep_hook): Return early
74 if no dynamic object is present. Declare r_symndx and h in an
75 inner scope.
76
77 2004-01-07 H.J. Lu <hongjiu.lu@intel.com>
78
79 * elfxx-ia64.c (elfNN_ia64_relax_section): Don't install
80 trampoline if it is known out of range.
81
82 2004-01-06 Alexandre Oliva <aoliva@redhat.com>
83
84 2003-12-17 Alexandre Oliva <aoliva@redhat.com>
85 * elf32-frv.c (_frv_osec_readonly_p): New.
86 (_frv_emit_got_relocs_plt_entries): Don't emit rofixup for
87 undefweak symbol.
88 (_frv_count_got_plt_entries): Adjust expected count accordingly.
89 (elf32_frv_relocate_section): Likewise. Error out if attempting
90 to emit rofixups or dynamic relocs in read-only segments. Use
91 _bfd_elf_section_offset to adjust r_offsets in rofixups and
92 dynamic relocations.
93 2003-12-12 Alexandre Oliva <aoliva@redhat.com>
94 * elf32-frv.c (elf32_frv_relocate_section): Compute dynamic
95 relocations or fixups involving merged sections correctly. Avoid
96 crash when undefined symbol is referenced by R_FRV_32 or
97 R_FRV_FUNCDESC_VALUE.
98 2003-12-02 Alexandre Oliva <aoliva@redhat.com>
99 * elf32-frv.c (elf32_frv_relocate_section): Add output_offset of
100 input section holding local symbol to addend of R_FRV_32 or
101 R_FRV_FUNCDESC_VALUE dynamic relocation.
102 2003-11-27 Alexandre Oliva <aoliva@redhat.com>
103 * elf32-frv.c (elf32_frv_modify_segment_map): Add link info arg.
104 (elf32_frv_always_size_sections): Don't store pointer to
105 __stacksize symbol in sec_info.
106 (elf32_frv_modify_segment_map): Look it up here.
107 2003-11-26 Alexandre Oliva <aoliva@redhat.com>
108 * elf32-frv.c (_frv_emit_got_relocs_plt_entries): Emit the address
109 of the lazy PLT entry, not only its offset, as the low word of a
110 function descriptor.
111 2003-11-10 Alexandre Oliva <aoliva@redhat.com>
112 * elf32-frv.c (elf32_frv_always_size_sections): Define __stacksize
113 if a hash table entry already exists but is not a definition.
114 2003-11-05 Alexandre Oliva <aoliva@redhat.com>
115 * elf32-frv.c (frv_elf_link_hash_table_create): Use bfd_zalloc.
116 (_frv_add_rofixup): Don't inline.
117 (_frv_emit_got_relocs_plt_entries): Use NULL as funcdesc address
118 for undefweak symbols.
119 (elf32_frv_relocate_section): Avoid crash while computing
120 relocation when linking with shared library. Only emit rofixups
121 and dynamic relocations for alloc&load sections. Mark binaries
122 with inter-segment relocations for relocation as a unit.
123 (_frv_create_got_section): Rename .rofixup.got to .rofixup.
124 (DEFAULT_STACK_SIZE): New.
125 (_frv_count_got_plt_entries): Fix thinko in deciding whether to
126 emit rofixups or dynamic relocs when linking dynamic non-PIE
127 executables.
128 (elf32_frv_size_dynamic_sections): Generate rofixup on PIEs and
129 shared libs too. Reserve the last entry for the GOT pointer.
130 (elf32_frv_finish_dynamic_sections): Emit it.
131 (elf32_frv_always_size_sections): New.
132 (elf32_frv_modify_segment_map): New.
133 (elf32_frv_check_relocs): Reserve relocs32 space only in ALLOC
134 sections.
135 (frv_elf_merge_private_bfd_data): Clear PIC bit if FDPIC is set.
136 (frv_elf_print_private_bfd_data): Handle FDPIC and LIBPIC.
137 (elf_backend_always_size_sections): New.
138 (elf_backend_modify_segment_map): New.
139 2003-10-31 Alexandre Oliva <aoliva@redhat.com>
140 * config.bfd: Added frv-*-*linux*.
141 * elf32-frv.c (_frv_emit_got_relocs_plt_entries): Use idx 0 for
142 ABS section, instead of crashing.
143 (elf32_frv_relocate_section): Don't crash before warning about
144 different segments in non-PIC relocation.
145 2003-10-17 Alexandre Oliva <aoliva@redhat.com>
146 * elf32-frv.c (elf32_frv_relocate_section): Don't warn on LABEL24
147 relocs to undefweak symbols.
148 (elf32_frv_relocate_section): Ditto for undefined symbols.
149 2003-10-06 Alexandre Oliva <aoliva@redhat.com>
150 * elf32-frv.c (elf32_frv_create_dynamic_sections): Make sure
151 gotfixup section was created.
152 2003-09-30 Alexandre Oliva <aoliva@redhat.com>
153 * elf32-frv.c (elf32_frv_howto_table): Change GOT12,
154 FUNCDESC_GOT12, GOTOFF12 and FUNCDESC_GOTOFF12 to
155 complain_overflow_signed.
156 * elf32-frv.c (_frv_add_rofixup): Do not error out if contents
157 have not been allocated.
158 (_frv_emit_got_relocs_plt_entries): Return non-void. Assert
159 privfd only if dynamic sections were created.
160 (elf32_frv_relocate_section): Compute gprel_segment, and use it
161 for GPREL relocs. When linking relocatable FDPIC executables,
162 emit warnings for relocations that would be illegal on PIE or
163 shared libraries. Emit rofixup for R_FRV_32 only if input object
164 is not FDPIC.
165 (_frv_create_got_section): Define _gp symbol in the rofixup
166 section.
167 (elf32_frv_finish_dynamic_sections): If rofixups needed but
168 dynamic sections missing, error out requesting -melf32frvfd.
169 2003-09-19 Alexandre Oliva <aoliva@redhat.com>
170 * elf32-frv.c (_frv_emit_got_relocs_plt_entries): Rearrange
171 computation of addends from section and global or local symbol
172 value. Change return type to bfd_boolean, and return a failure if
173 a dynamic FUNCDESC or FUNCDESC_VALUE relocation that requires a
174 nonzero addend is required.
175 (elf32_frv_relocate_section): Likewise. Print error for
176 unsupported nonzero addends.
177 2003-09-18 Alexandre Oliva <aoliva@redhat.com>
178 * elf32-frv.c (FRV_SYM_LOCAL): In the absence of dynamic sections,
179 force everything local.
180 (_frv_emit_got_relocs_plt_entries): Cope with NULL sec.
181 * elf32-frv.c (struct frv_elf_link_hash_table): Added sgotfixup.
182 (frv_gotfixup_section): New.
183 (FRV_SYM_LOCAL): Accept undefweak and local common symbols.
184 (struct frv_pic_relocs_info): Split relocs into relocs32, relocsfd
185 and relocsfdv.
186 (_frv_add_rofixup): New.
187 (_frv_emit_got_relocs_plt_entries): Generate fixups for non-PIE
188 fdpic executables. Use FRV_SYM_LOCAL more widely to simplify and
189 improve some ugly conditions.
190 (elf32_frv_relocate_section): Likewise. Reject inter-segment
191 relocations in fdpic.
192 (_frv_create_got_section): Create .rofixup.got section.
193 (struct _frv_dynamic_got_info): Added fixups.
194 (_frv_count_got_plt_entries): Account in-GOT relocations into
195 relocs32, relocsfd and relocsfdv. Account them into relocs or
196 fixups, as appropriate.
197 (elf32_frv_size_dynamic_sections): Size rofixup section. Simplify
198 sizing of gotrel.
199 (elf32_frv_finish_dynamic_sections): Verify that the right number
200 of relocations and fixups was generated.
201 (elf32_frv_check_relocs): Compute relocs32, relocsfd and
202 relocsfdv.
203 * elf32-frv.c (FRV_SYM_LOCAL): New macro, used instead of
204 SYMBOL_CALLS_LOCAL and SYMBOL_REFERENCES_LOCAL.
205 (FRV_FUNCDESC_LOCAL): New macro, used to decide whether a function
206 descriptor of a (formerly-)global symbol is local.
207 (struct frv_pic_relocs_info): Adjust comments.
208 (_frv_emit_got_relocs_plt_entries): Adjust.
209 (elf32_frv_relocate_section): Likewise.
210 (_frv_count_got_plt_entries): Likewise.
211 * elf32-frv.c (_frv_emit_got_relocs_plt_entries): Don't add global
212 symbol's value to addend in the common preamble. Decay dynamic
213 symbols to section+offset if they bind or call locally, for GOT
214 and FUNCDESC_VALUE, respectively.
215 (elf32_frv_relocate_section): Likewise.
216 (elf32_frv_check_relocs): Don't register as dynamic symbols of
217 internal or hidden visibility.
218 2003-09-17 Alexandre Oliva <aoliva@redhat.com>
219 * elf32-frv.c (_frv_emit_got_relocs_plt_entries): Get addend as
220 argument, so as to not call _bfd_elf_rel_local_sym to compute it.
221 (elf32_frv_relocate_section): Pass relocation addend in. Use
222 original relocation addend to look up the got relocs/plt entries
223 table. Do not call _bfd_elf_rel_local_sym. Don't error out when
224 processing relocations that reference .scommon symbols.
225 2003-09-15 Alexandre Oliva <aoliva@redhat.com>
226 Introduce support for dynamic linking.
227 * elf32-frv.c (R_FRV_FUNCDESC_VALUE): Mark it as 64 bits.
228 (elf32_frv_rel_32_howto, elf32_frv_rel_funcdesc_howto,
229 elf32_frv_rel_funcdesc_value_howto): New REL descriptors.
230 (frv_reloc_type_lookup): Return REL howtos for executables and
231 dynamic libraries.
232 (frv_info_to_howto_rel): New.
233 (struct frv_elf_link_hash_table): New.
234 (frv_hash_table, frv_got_section, frv_gotrel_section,
235 frv_plt_section, frv_pltrel_section, frv_relocs_info,
236 frv_got_initial_offset, frv_plt_initial_offset): New macros.
237 (frv_elf_link_hash_table_create): New.
238 (struct frv_pic_relocs_info): New.
239 (frv_pic_relocs_info_hash, frv_pic_relocs_info_eq): New.
240 (frv_pic_relocs_info_find): New.
241 (frv_pic_relocs_info_for_global, frv_pic_relocs_info_for_local):
242 New.
243 (FRV_LZPLT_BLOCK_SIZE, FRV_LZPLT_RESOLVE_LOC): New.
244 (_frv_add_dyn_reloc, _frv_osec_to_segment): New.
245 (_frv_emit_got_relocs_plt_entries): New.
246 (elf32_frv_relocate_section): Add support for dynamic linking.
247 Handle new relocations.
248 (_frv_create_got_section): New.
249 (elf32_frv_create_dynamic_sections): New.
250 (ELF_DYNAMIC_INTERPRETER): New.
251 (struct _frv_dynamic_got_info): New.
252 (_frv_count_got_plt_entries): New.
253 (struct _frv_dynamic_got_plt_info): New.
254 (_frv_compute_got_alloc_data): New.
255 (_frv_get_got_entry, _frv_get_fd_entry): New.
256 (_frv_assign_got_entries, _frv_assign_plt_entries): New.
257 (_frv_resolve_final_relocs_info): New.
258 (elf32_frv_size_dynamic_sections): New.
259 (elf32_frv_finish_dynamic_sections): New.
260 (elf32_frv_adjust_dynamic_symbol): New.
261 (elf32_frv_finish_dynamic_symbol): New.
262 (elf32_frv_check_relocs): Handle new relocs. Explain how the
263 whole thing works.
264 (elf_info_to_howto_rel): Define.
265 (bfd_elf32_bfd_link_hash_table_create): Define.
266 (elf_backend_create_dynamic_sections): Define.
267 (elf_backend_adjust_dynamic_symbol): Define.
268 (elf_backend_size_dynamic_sections): Define.
269 (elf_backend_finish_dynamic_symbol): Define.
270 (elf_backend_finish_dynamic_sections): Define.
271 (elf_backend_want_got_sym): Define.
272 (elf_backend_got_header_size): Define.
273 (elf_backend_want_got_plt): Define.
274 (elf_backend_plt_readonly): Define.
275 (elf_backend_want_plt_sym): Define.
276 (elf_backend_plt_header_size): Define.
277 (elf_backend_may_use_rel_p): Define.
278 (elf_backend_may_use_rela_p): Define.
279 (elf_backend_default_use_rela_p): Define.
280 2003-08-08 Alexandre Oliva <aoliva@redhat.com>
281 * elf32-frv.c (R_FRV_FUNCDESC_VALUE, R_FRV_FUNCDESC_GOTOFF12,
282 R_FRV_FUNCDESC_GOTOFFHI, R_FRV_FUNCDESC_GOTOFFLO, R_FRV_GOTOFF12,
283 R_FRV_GOTOFFHI, R_FRV_GOTOFFLO): New.
284 (frv_reloc_map): Map the corresponding BFD relocs to them.
285 (frv_reloc_type_lookup): ... and back to BFD relocs.
286 * reloc.c: New relocs.
287 * bfd-in2.h, libbfd.h: Rebuilt.
288 2003-08-04 Alexandre Oliva <aoliva@redhat.com>
289 * elf32-frv.c (R_FRV_GOT12, R_FRV_GOTHI, R_FRV_GOTLO,
290 R_FRV_FUNCDESC, R_FRV_FUNCDESC_GOT12, R_FRV_FUNCDESC_GOTHI,
291 R_FRV_FUNCDESC_GOTLO): New.
292 (frv_reloc_map): Map the corresponding BFD relocs to them.
293 (frv_reloc_type_lookup): ... and back to BFD relocs.
294 * reloc.c: New relocs.
295 * bfd-in2.h, libbfd.h: Rebuilt.
296
297 2004-01-05 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
298
299 * elf32-mips.c (ELF_MAXPAGESIZE): Redefine for traditional
300 targets to support pages of up to 64kB.
301 (elf32_bed): Redefine to get a separate backend data structure for
302 traditional targets.
303 * elf64-mips.c (ELF_MAXPAGESIZE): Redefine for traditional
304 targets to support pages of up to 64kB.
305 (elf64_bed): Redefine to get a separate backend data structure for
306 traditional targets.
307 * elfn32-mips.c (ELF_MAXPAGESIZE): Redefine for traditional
308 targets to support pages of up to 64kB.
309 (elf32_bed): Redefine to get a separate backend data structure for
310 traditional targets.
311
312 2004-01-04 Mark Kettenis <kettenis@gnu.org>
313
314 * elf32-sparc.c (elf32_sparc_grok_psinfo): New function.
315
316 2004-01-02 Mark Kettenis <kettenis@gnu.org>
317
318 * elf32-i386.c (elf_i386_grok_prstatus): Add support for FreeBSD.
319 (elf_i386_grok_psinfo): Likewise.
320
321 2004-01-02 Bernardo Innocenti <bernie@develer.com>
322
323 * config.bfd: Add m68k-uClinux target.
324
325 2004-01-01 Grant Edwards <grante@visi.com>
326
327 * elflink.h (elf_gc_sections): Warn when gc-sections option is ignored.
328 * elf32-h8300.c (elf32_h8_gc_mark_hook): New function.
329 (elf32_h8_gc_sweep_hook): New function.
330 (elf_backend_gc_mark_hook): Define.
331 (elf_backend_gc_sweep_hook): Define.
332 (elf_backend_can_gc_sections): Define.
333
334 For older changes see ChangeLog-0203
335 \f
336 Local Variables:
337 mode: change-log
338 left-margin: 8
339 fill-column: 74
340 version-control: never
341 End: