Fix garbage collection of common symbols for powerpc64
[external/binutils.git] / bfd / ChangeLog
1 2015-01-20  Alan Modra  <amodra@gmail.com>
2
3         PR ld/17615
4         * elf64-ppc.c (ppc64_elf_gc_mark_dynamic_ref): Don't drop
5         ELF_COMMON_DEF syms.
6
7 2015-01-19  Alan Modra  <amodra@gmail.com>
8
9         PR ld/17615
10         * elf-bfd.h (ELF_COMMON_DEF_P): Note that this might be true for
11         linker script assignments too.
12         * elflink.c (elf_gc_sweep_symbol): Don't drop ELF_COMMON_DEF syms.
13         (bfd_elf_gc_mark_dynamic_ref_symbol): Similarly.
14
15 2015-01-19  Alan Modra  <amodra@gmail.com>
16
17         * elf32-bfin.c (bfin_bfd_reloc_type_lookup): Correct loop iteration
18         to allow return of first howto.
19         * elf32-fr30.c (fr30_reloc_type_lookup): Likewise.
20         * elf32-m32c.c (m32c_reloc_type_lookup): Likewise.
21         * elf32-moxie.c (moxie_reloc_type_lookup): Likewise.
22         * elf32-or1k.c (or1k_reloc_type_lookup): Likewise.
23         * elf32-rl78.c (rl78_reloc_type_lookup): Likewise.
24         * elf32-rx.c (rx_reloc_type_lookup): Likewise.
25         * elf32-tilepro.c (tilepro_reloc_type_lookup): Likewise.
26         * elf32-xstormy16.c (xstormy16_reloc_type_lookup): Likewise.
27         * elfxx-tilegx.c (tilegx_reloc_type_lookup): Likewise.
28         * elf32-nios2.c (nios2_reloc_map): Add mapping for R_NIOS2_NONE.
29         * elf32-spu.c (spu_elf_bfd_to_reloc_type): Allow return of R_SPU_NONE.
30         (spu_elf_reloc_type_lookup): Adjust to suit.
31
32 2015-01-19  Alan Modra  <amodra@gmail.com>
33
34         * bfd-in.h (bfd_get_section_limit_octets): New define, extracted from..
35         (bfd_get_section_limit): ..here.
36         * reloc.c (bfd_perform_relocation): Correct bfd_reloc_outofrange check.
37         (bfd_install_relocation, _bfd_final_link_relocate): Add same check here.
38         * elf32-sh.c (sh_elf_reloc): Correct bfd_reloc_outofrange check.
39         * elf32-ppc.c (ppc_elf_addr16_ha_reloc): Remove duplicated
40         bfd_reloc_outofrange check.
41         * bfd-in2.h: Regenerate.
42
43         * cpu-ns32k.c (_bfd_do_ns32k_reloc_contents): Return bfd_reloc_ok
44         on zero size relocs.
45         * ecoff.c (ecoff_reloc_link_order): Likewise.
46         * elf32-nds32.c (nds32_relocate_contents): Likewise.
47         * elfxx-aarch64.c (_bfd_aarch64_elf_put_addend): Likewise.
48
49         * reloc.c (_bfd_relocate_contents): Don't bomb on zero size relocs.
50         (_bfd_clear_contents): Likewise.
51         * elfxx-mips.c (mips_elf_obtain_contents): Likewise.
52         (mips_elf_perform_relocation): Likewise.
53
54         * aoutx.h (aout_link_reloc_link_order): Allow for NULL return
55         from malloc on zero size alloc.
56         * cofflink.c (_bfd_coff_reloc_link_order): Likewise.
57         * elflink.c (elf_reloc_link_order): Likewise.
58         * linker.c (_bfd_generic_reloc_link_order): Likewise.
59         * pdp11.c (aout_link_reloc_link_order): Likewise.
60         * xcofflink.c (xcoff_reloc_link_order): Likewise.
61
62         * aoutx.h (howto_table_ext): Ensure NONE relocs have size 3,
63         bitsize 0, and complain_overflow_dont.
64         * coff-sparc.c (coff_sparc_howto_table): Likewise.
65         * elf-hppa.h (elf_hppa_howto_table): Likewise.
66         * elf-m10200.c (elf_mn10200_howto_table): Likewise.
67         * elf-m10300.c (elf_mn10300_howto_table): Likewise.
68         * elf32-arc.c (elf_arc_howto_table): Likewise.
69         * elf32-arm.c (elf32_arm_howto_table_1): Likewise.
70         * elf32-avr.c (elf_avr_howto_table): Likewise.
71         * elf32-bfin.c (bfin_howto_table): Likewise.
72         * elf32-cr16.c (cr16_elf_howto_table): Likewise.
73         * elf32-cris.c (cris_elf_howto_table): Likewise.
74         * elf32-crx.c (crx_elf_howto_table): Likewise.
75         * elf32-d10v.c (elf_d10v_howto_table): Likewise.
76         * elf32-d30v.c (elf_d30v_howto_table): Likewise.
77         * elf32-dlx.c (dlx_elf_howto_table): Likewise.
78         * elf32-epiphany.c (epiphany_elf_howto_table): Likewise.
79         * elf32-fr30.c (fr30_elf_howto_table): Likewise.
80         * elf32-frv.c (elf32_frv_howto_table): Likewise.
81         * elf32-h8300.c (h8_elf_howto_table): Likewise.
82         * elf32-i370.c (i370_elf_howto_raw): Likewise.
83         * elf32-i386.c (elf_howto_table): Likewise.
84         * elf32-i860.c (elf32_i860_howto_table): Likewise.
85         * elf32-i960.c (elf32_i960_relocate): Likewise.
86         * elf32-ip2k.c (ip2k_elf_howto_table): Likewise.
87         * elf32-iq2000.c (iq2000_elf_howto_table): Likewise.
88         * elf32-lm32.c (lm32_elf_howto_table): Likewise.
89         * elf32-m32c.c (m32c_elf_howto_table): Likewise.
90         * elf32-m32r.c (m32r_elf_howto_table): Likewise.
91         * elf32-m68hc11.c (elf_m68hc11_howto_table): Likewise.
92         * elf32-m68hc12.c (elf_m68hc11_howto_table): Likewise.
93         * elf32-m68k.c (howto_table): Likewise.
94         * elf32-mcore.c (mcore_elf_howto_raw): Likewise.
95         * elf32-mep.c (mep_elf_howto_table): Likewise.
96         * elf32-metag.c (elf_metag_howto_table): Likewise.
97         * elf32-microblaze.c (microblaze_elf_howto_raw): Likewise.
98         * elf32-mips.c (elf_mips_howto_table_rel): Likewise.
99         * elf32-moxie.c (moxie_elf_howto_table): Likewise.
100         * elf32-msp430.c (elf_msp430_howto_table): Likewise.
101         * elf32-mt.c (mt_elf_howto_table): Likewise.
102         * elf32-nds32.c (nds32_elf_howto_table): Likewise.
103         * elf32-nios2.c (elf_nios2_howto_table_rel): Likewise.
104         * elf32-or1k.c (or1k_elf_howto_table): Likewise.
105         * elf32-pj.c (pj_elf_howto_table): Likewise.
106         * elf32-ppc.c (ppc_elf_howto_raw): Likewise.
107         * elf32-rl78.c (rl78_elf_howto_table): Likewise.
108         * elf32-rx.c (rx_elf_howto_table): Likewise.
109         * elf32-s390.c (elf_howto_table): Likewise.
110         * elf32-score.c (elf32_score_howto_table): Likewise.
111         * elf32-score7.c (elf32_score_howto_table): Likewise.
112         * elf32-sh-relocs.h (R_SH_NONE): Likewise.
113         * elf32-spu.c (elf_howto_table): Likewise.
114         * elf32-tic6x.c (elf32_tic6x_howto_table): Likewise.
115         * elf32-tilepro.c (tilepro_elf_howto_table): Likewise.
116         * elf32-v850.c (v850_elf_howto_table): Likewise.
117         * elf32-vax.c (howto_table): Likewise.
118         * elf32-visium.c (visium_elf_howto_table): Likewise.
119         * elf32-xc16x.c (xc16x_elf_howto_table): Likewise.
120         * elf32-xgate.c (elf_xgate_howto_table): Likewise.
121         * elf32-xstormy16.c (xstormy16_elf_howto_table): Likewise.
122         * elf32-xtensa.c (elf_howto_table): Likewise.
123         * elf64-alpha.c (elf64_alpha_howto_table): Likewise.
124         * elf64-mips.c (mips_elf64_howto_table_rel): Likewise.
125         * elf64-mmix.c (elf_mmix_howto_table): Likewise.
126         * elf64-ppc.c (ppc64_elf_howto_raw): Likewise.
127         * elf64-s390.c (elf_howto_table): Likewise.
128         * elf64-sh64.c (sh_elf64_howto_table): Likewise.
129         * elf64-x86-64.c (x86_64_elf_howto_table): Likewise.
130         * elfn32-mips.c (elf_mips_howto_table_rel): Likewise.
131         * elfnn-aarch64.c (elfNN_aarch64_howto_table): Likewise.
132         (elfNN_aarch64_howto_none): Likewise.
133         * elfxx-ia64.c (ia64_howto_table): Likewise.
134         * elfxx-sparc.c (_bfd_sparc_elf_howto_table): Likewise.
135         * elfxx-tilegx.c (tilegx_elf_howto_table): Likewise.
136         * nlm32-sparc.c (nlm32_sparc_howto_table): Likewise.
137
138 2015-01-15  H.J. Lu  <hongjiu.lu@intel.com>
139
140         PR ld/17847
141         * elf64-x86-64.c (elf_x86_64_relocate_section): Don't complain
142         about -fPIC if the symbol is undefined when building executable.
143
144 2015-01-15  Nick Clifton  <nickc@redhat.com>
145
146         PR binutils/17512
147         * elf-m10300.c (mn10300_info_to_howto): Replace assertion with an
148         error message.  Never return an invalid howto pointer.
149         * elf32-cr16.c (cr16_info_to_howto): Likewise.
150         * elf32-crx.c (elf_crx_info_to_howto): Likewise.
151         * elf32-i370.c (i370_elf_info_to_howto): Likewise.
152         * elf32-mcore.c (mcore_elf_info_to_howto): Likewise.
153         * elf32-microblaze.c (microblaze_elf_info_to_howto): Likewise.
154         * elf32-mips.c (mips_elf32_rtype_to_howto): Likewise.
155         * elf32-pj.c (pj_elf_info_to_howto): Likewise.
156         * elf32-ppc.c (ppc_elf_info_to_howto): Likewise.
157         * elf32-spu.c (spu_elf_info_to_howto): Likewise.
158         * elf32-v850.c (v850_elf_info_to_howto_rela): Likewise.
159         * elf32-vax.c (rtype_to_howto): Likewise.
160         * elf64-alpha.c (elf64_alpha_info_to_howto): Likewise.
161         * elf64-mips.c (mips_elf64_rtype_to_howto): Likewise.
162         * elfn32-mips.c (sh_elf_info_to_howto): Likewise.
163         * elf32-sh.c (sh_elf_info_to_howto): Likewise.
164         (sh_elf_reloc): Check that the reloc is in range.
165         * reloc.c (bfd_perform_relocation): Check that the section is big
166         enough for the entire reloc.
167         (bfd_generic_get_relocated_section_contents): Report unexpected
168         return values from perform_reloc.
169
170 2015-01-15  Nick Clifton  <nickc@redhat.com>
171
172         * elf32-msp430.c (msp430_elf_relax_section): Skip unhandled
173         relocs.  Include PC-relative adjustment for R_MSP430X_ABS16
174         relaxation.
175
176 2015-01-15  Alan Modra  <amodra@gmail.com>
177
178         * elflink.c (_bfd_elf_link_omit_section_dynsym): Return true for
179         any output section matching a linker created dynobj section.
180
181 2015-01-15  Alan Modra  <amodra@gmail.com>
182
183         PR 17842
184         * elflink.c (elf_link_output_sym): Assert elf_onesymtab set.
185         (bfd_elf_final_link): Always create a symbol table when emit_relocs.
186         Don't assign symtab file position unless symbols will be output.
187         Merge blocks with condition in common.  Don't call
188         elf_backend_output_arch_local_syms or elf_backend_output_arch_syms
189         unless other symbols are output.  Move assignment of symtab_shndx
190         file position.  Localize variable.
191
192 2015-01-14  Jiong Wang  <jiong.wang@arm.com>
193
194         * elf32-arm.c (elf32_arm_final_link_relocate): Reject R_ARM_32/_NOI when
195         trying to defer them to runtime.
196
197 2015-01-13  Thomas Preud'homme <thomas.preudhomme@arm.com>
198
199         * elfnn-aarch64.c (elfNN_aarch64_final_link_relocate): Use SYMBOLIC_BIND
200         to check if a symbol should be bound symbolically.
201
202 2015-01-13  Jiong Wang  <jiong.wang@arm.com>
203
204         * elfnn-aarch64.c: (elfNN_aarch64_howto_table): Enable overflow check
205         for TLSLE_MOVW_TPREL_G2.
206
207 2015-01-13  Jiong Wang  <jiong.wang@arm.com>
208
209         PR ld/17415
210         * elfnn-aarch64.c (elfNN_aarch64_howto_table): Mark
211         R_AARCH64_TLSLE_ADD_TPREL_HI12 as complain_overflow_unsigned.
212         * elfxx-aarch64.c (_bfd_aarch64_elf_resolve_relocation): Correct the
213         bit mask.
214
215 2015-01-12  Terry Guo  <terry.guo@arm.com>
216
217         * elflink.c (_bfd_elf_gc_mark_debug_special_section_group): New
218         function.
219         (_bfd_elf_gc_mark_extra_sections): Use it.
220
221 2015-01-11  H.J. Lu  <hongjiu.lu@intel.com>
222
223         PR ld/17827
224         * elf64-x86-64.c (elf_x86_64_allocate_dynrelocs): For PIE,
225         only discard space for pc-relative relocs symbols which turn
226         out to need copy relocs.
227
228 2015-01-09  Nick Clifton  <nickc@redhat.com>
229
230         * tekhex.c (getvalue): Fix thinko in test for correct extraction
231         of value.
232         (getsym): Return false if there was not enough data to extract the
233         symbol.
234
235 2015-01-09  Anthony Green  <green@moxielogic.com>
236
237         * elf32-moxie.c (ELF_MACHINE_ALT1): Define.
238
239 2015-01-08  Nick Clifton  <nickc@redhat.com>
240
241         * elf32-msp430.c (msp430_elf_relax_section): Add relaxation of
242         16-bit absolute BR instructions to 10-bit pc-relative JMP
243         instructions.
244
245 2015-01-08  Nick Clifton  <nickc@redhat.com>
246
247         PR binutils/17512
248         * coffcode.h (coff_slurp_symbol_table): Return false if we failed
249         to load the line table.
250         * elf.c (_bfd_elf_map_sections_to_segments): Enforce a minimum
251         maxpagesize of 1.
252         * peXXigen.c (_bfd_XX_bfd_copy_private_bfd_data_common): Fail if
253         the Data Directory Size is too large.
254
255 2015-01-06  H.J. Lu  <hongjiu.lu@intel.com>
256
257         PR binutils/17512
258         * elf32-i386.c (elf_i386_get_plt_sym_val): Skip unknown relocation.
259         * elf64-x86-64.c (elf_x86_64_get_plt_sym_val): Likewise.
260
261 2015-01-06  Nick Clifton  <nickc@redhat.com>
262
263         PR binutils/17512
264         * mach-o.c (bfd_mach_o_read_symtab_strtab): Zero terminate the
265         string table.
266
267         * reloc.c (bfd_get_reloc_size): Handle a reloc size of -1.
268         (bfd_perform_relocation): Include the size of the reloc in the
269         test for an out of range relocation.
270         (bfd_generic_get_relocated_section_contents): Remove reloc range
271         test.
272
273         * coff-i860.c (CALC_ADDEND): Always set an addend value.
274         * tekhex.c (getvalue): Add an end pointer parameter.  Use it to
275         avoid reading off the end of the buffer.
276         (getsym): Likewise.
277         (first_phase): Likewise.
278         (pass_over): Pass an end pointer to the invoked function.
279
280 2015-01-05  H.J. Lu  <hongjiu.lu@intel.com>
281
282         PR binutils/17512
283         * elf32-i386.c (elf_i386_get_plt_sym_val): Return NULL on corrupt
284         input.
285         * elf64-x86-64.c (elf_x86_64_get_plt_sym_val): Likewise.
286
287 2015-01-05  Nick Clifton  <nickc@redhat.com>
288
289         PR binutils/17512
290         * archive.c (do_slurp_bsd_armap): Make sure that the parsed sized
291         is at least big enough for the header to be read.
292         * elf32-i386.c (elf_i386_get_plt_sym_val): Skip unknown relocs.
293         * mach-o.c (bfd_mach_o_get_synthetic_symtab): Add range checks.
294         (bfd_mach_o_read_command): Prevetn duplicate error messages about
295         unrecognized commands.
296         * syms.c (_bfd_stab_section_find_nearest_line): Add range checks
297         when indexing into the string table.
298
299 2015-01-01  Alan Modra  <amodra@gmail.com>
300
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