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800eeca4 | 1 | /* IA-64 support for 64-bit ELF |
01e1a5bc | 2 | Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, |
aa820537 | 3 | 2008, 2009 Free Software Foundation, Inc. |
800eeca4 JW |
4 | Contributed by David Mosberger-Tang <davidm@hpl.hp.com> |
5 | ||
5e8d7549 | 6 | This file is part of BFD, the Binary File Descriptor library. |
800eeca4 | 7 | |
5e8d7549 NC |
8 | This program is free software; you can redistribute it and/or modify |
9 | it under the terms of the GNU General Public License as published by | |
cd123cb7 | 10 | the Free Software Foundation; either version 3 of the License, or |
5e8d7549 | 11 | (at your option) any later version. |
800eeca4 | 12 | |
5e8d7549 NC |
13 | This program is distributed in the hope that it will be useful, |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
800eeca4 | 17 | |
5e8d7549 NC |
18 | You should have received a copy of the GNU General Public License |
19 | along with this program; if not, write to the Free Software | |
cd123cb7 NC |
20 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
21 | MA 02110-1301, USA. */ | |
800eeca4 | 22 | |
800eeca4 | 23 | #include "sysdep.h" |
3db64b00 | 24 | #include "bfd.h" |
800eeca4 JW |
25 | #include "libbfd.h" |
26 | #include "elf-bfd.h" | |
27 | #include "opcode/ia64.h" | |
28 | #include "elf/ia64.h" | |
0aa92b58 JJ |
29 | #include "objalloc.h" |
30 | #include "hashtab.h" | |
800eeca4 | 31 | |
5a260b66 L |
32 | #define ARCH_SIZE NN |
33 | ||
34 | #if ARCH_SIZE == 64 | |
35 | #define LOG_SECTION_ALIGN 3 | |
36 | #endif | |
37 | ||
38 | #if ARCH_SIZE == 32 | |
39 | #define LOG_SECTION_ALIGN 2 | |
40 | #endif | |
41 | ||
5e8d7549 | 42 | /* THE RULES for all the stuff the linker creates -- |
b34976b6 | 43 | |
5e8d7549 NC |
44 | GOT Entries created in response to LTOFF or LTOFF_FPTR |
45 | relocations. Dynamic relocs created for dynamic | |
46 | symbols in an application; REL relocs for locals | |
47 | in a shared library. | |
b34976b6 | 48 | |
5e8d7549 NC |
49 | FPTR The canonical function descriptor. Created for local |
50 | symbols in applications. Descriptors for dynamic symbols | |
51 | and local symbols in shared libraries are created by | |
52 | ld.so. Thus there are no dynamic relocs against these | |
53 | objects. The FPTR relocs for such _are_ passed through | |
54 | to the dynamic relocation tables. | |
b34976b6 | 55 | |
5e8d7549 NC |
56 | FULL_PLT Created for a PCREL21B relocation against a dynamic symbol. |
57 | Requires the creation of a PLTOFF entry. This does not | |
58 | require any dynamic relocations. | |
b34976b6 | 59 | |
5e8d7549 NC |
60 | PLTOFF Created by PLTOFF relocations. For local symbols, this |
61 | is an alternate function descriptor, and in shared libraries | |
62 | requires two REL relocations. Note that this cannot be | |
63 | transformed into an FPTR relocation, since it must be in | |
64 | range of the GP. For dynamic symbols, this is a function | |
65 | descriptor for a MIN_PLT entry, and requires one IPLT reloc. | |
b34976b6 | 66 | |
5e8d7549 | 67 | MIN_PLT Created by PLTOFF entries against dynamic symbols. This |
4cc11e76 | 68 | does not require dynamic relocations. */ |
800eeca4 | 69 | |
800eeca4 JW |
70 | #define NELEMS(a) ((int) (sizeof (a) / sizeof ((a)[0]))) |
71 | ||
72 | typedef struct bfd_hash_entry *(*new_hash_entry_func) | |
73 | PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *)); | |
74 | ||
75 | /* In dynamically (linker-) created sections, we generally need to keep track | |
76 | of the place a symbol or expression got allocated to. This is done via hash | |
77 | tables that store entries of the following type. */ | |
78 | ||
bbe66d08 | 79 | struct elfNN_ia64_dyn_sym_info |
800eeca4 JW |
80 | { |
81 | /* The addend for which this entry is relevant. */ | |
82 | bfd_vma addend; | |
83 | ||
800eeca4 JW |
84 | bfd_vma got_offset; |
85 | bfd_vma fptr_offset; | |
86 | bfd_vma pltoff_offset; | |
87 | bfd_vma plt_offset; | |
88 | bfd_vma plt2_offset; | |
13ae64f3 JJ |
89 | bfd_vma tprel_offset; |
90 | bfd_vma dtpmod_offset; | |
91 | bfd_vma dtprel_offset; | |
800eeca4 | 92 | |
4cc11e76 | 93 | /* The symbol table entry, if any, that this was derived from. */ |
800eeca4 | 94 | struct elf_link_hash_entry *h; |
3e932841 | 95 | |
800eeca4 JW |
96 | /* Used to count non-got, non-plt relocations for delayed sizing |
97 | of relocation sections. */ | |
bbe66d08 | 98 | struct elfNN_ia64_dyn_reloc_entry |
800eeca4 | 99 | { |
bbe66d08 | 100 | struct elfNN_ia64_dyn_reloc_entry *next; |
800eeca4 JW |
101 | asection *srel; |
102 | int type; | |
103 | int count; | |
ac33696c L |
104 | |
105 | /* Is this reloc against readonly section? */ | |
106 | bfd_boolean reltext; | |
800eeca4 JW |
107 | } *reloc_entries; |
108 | ||
b34976b6 | 109 | /* TRUE when the section contents have been updated. */ |
800eeca4 JW |
110 | unsigned got_done : 1; |
111 | unsigned fptr_done : 1; | |
112 | unsigned pltoff_done : 1; | |
13ae64f3 JJ |
113 | unsigned tprel_done : 1; |
114 | unsigned dtpmod_done : 1; | |
115 | unsigned dtprel_done : 1; | |
800eeca4 | 116 | |
b34976b6 | 117 | /* TRUE for the different kinds of linker data we want created. */ |
800eeca4 | 118 | unsigned want_got : 1; |
2c4c2bc0 | 119 | unsigned want_gotx : 1; |
800eeca4 JW |
120 | unsigned want_fptr : 1; |
121 | unsigned want_ltoff_fptr : 1; | |
122 | unsigned want_plt : 1; | |
123 | unsigned want_plt2 : 1; | |
124 | unsigned want_pltoff : 1; | |
13ae64f3 JJ |
125 | unsigned want_tprel : 1; |
126 | unsigned want_dtpmod : 1; | |
127 | unsigned want_dtprel : 1; | |
800eeca4 JW |
128 | }; |
129 | ||
bbe66d08 | 130 | struct elfNN_ia64_local_hash_entry |
800eeca4 | 131 | { |
0aa92b58 JJ |
132 | int id; |
133 | unsigned int r_sym; | |
396a682d L |
134 | /* The number of elements in elfNN_ia64_dyn_sym_info array. */ |
135 | unsigned int count; | |
136 | /* The number of sorted elements in elfNN_ia64_dyn_sym_info array. */ | |
137 | unsigned int sorted_count; | |
138 | /* The size of elfNN_ia64_dyn_sym_info array. */ | |
139 | unsigned int size; | |
140 | /* The array of elfNN_ia64_dyn_sym_info. */ | |
bbe66d08 | 141 | struct elfNN_ia64_dyn_sym_info *info; |
f7460f5f | 142 | |
b34976b6 | 143 | /* TRUE if this hash entry's addends was translated for |
f7460f5f JJ |
144 | SHF_MERGE optimization. */ |
145 | unsigned sec_merge_done : 1; | |
800eeca4 JW |
146 | }; |
147 | ||
bbe66d08 | 148 | struct elfNN_ia64_link_hash_entry |
800eeca4 JW |
149 | { |
150 | struct elf_link_hash_entry root; | |
396a682d L |
151 | /* The number of elements in elfNN_ia64_dyn_sym_info array. */ |
152 | unsigned int count; | |
153 | /* The number of sorted elements in elfNN_ia64_dyn_sym_info array. */ | |
154 | unsigned int sorted_count; | |
155 | /* The size of elfNN_ia64_dyn_sym_info array. */ | |
156 | unsigned int size; | |
157 | /* The array of elfNN_ia64_dyn_sym_info. */ | |
bbe66d08 | 158 | struct elfNN_ia64_dyn_sym_info *info; |
800eeca4 JW |
159 | }; |
160 | ||
bbe66d08 | 161 | struct elfNN_ia64_link_hash_table |
800eeca4 | 162 | { |
5e8d7549 | 163 | /* The main hash table. */ |
800eeca4 JW |
164 | struct elf_link_hash_table root; |
165 | ||
800eeca4 | 166 | asection *fptr_sec; /* function descriptor table (or NULL) */ |
9203ba99 | 167 | asection *rel_fptr_sec; /* dynamic relocation section for same */ |
800eeca4 JW |
168 | asection *pltoff_sec; /* private descriptors for plt (or NULL) */ |
169 | asection *rel_pltoff_sec; /* dynamic relocation section for same */ | |
170 | ||
171 | bfd_size_type minplt_entries; /* number of minplt entries */ | |
db6751f2 | 172 | unsigned reltext : 1; /* are there relocs against readonly sections? */ |
b3dfd7fe JJ |
173 | unsigned self_dtpmod_done : 1;/* has self DTPMOD entry been finished? */ |
174 | bfd_vma self_dtpmod_offset; /* .got offset to self DTPMOD entry */ | |
a231ddc0 L |
175 | /* There are maybe R_IA64_GPREL22 relocations, including those |
176 | optimized from R_IA64_LTOFF22X, against non-SHF_IA_64_SHORT | |
177 | sections. We need to record those sections so that we can choose | |
178 | a proper GP to cover all R_IA64_GPREL22 relocations. */ | |
affb4bf3 | 179 | asection *max_short_sec; /* maximum short output section */ |
a231ddc0 | 180 | bfd_vma max_short_offset; /* maximum short offset */ |
affb4bf3 | 181 | asection *min_short_sec; /* minimum short output section */ |
a231ddc0 | 182 | bfd_vma min_short_offset; /* minimum short offset */ |
800eeca4 | 183 | |
0aa92b58 JJ |
184 | htab_t loc_hash_table; |
185 | void *loc_hash_memory; | |
800eeca4 JW |
186 | }; |
187 | ||
2c4c2bc0 RH |
188 | struct elfNN_ia64_allocate_data |
189 | { | |
190 | struct bfd_link_info *info; | |
191 | bfd_size_type ofs; | |
4a78a1f4 | 192 | bfd_boolean only_got; |
2c4c2bc0 RH |
193 | }; |
194 | ||
bbe66d08 JW |
195 | #define elfNN_ia64_hash_table(p) \ |
196 | ((struct elfNN_ia64_link_hash_table *) ((p)->hash)) | |
800eeca4 | 197 | |
eae50df2 L |
198 | static struct elfNN_ia64_dyn_sym_info * get_dyn_sym_info |
199 | (struct elfNN_ia64_link_hash_table *ia64_info, | |
200 | struct elf_link_hash_entry *h, | |
201 | bfd *abfd, const Elf_Internal_Rela *rel, bfd_boolean create); | |
b34976b6 | 202 | static bfd_boolean elfNN_ia64_dynamic_symbol_p |
eae50df2 L |
203 | (struct elf_link_hash_entry *h, struct bfd_link_info *info, int); |
204 | static bfd_reloc_status_type elfNN_ia64_install_value | |
205 | (bfd_byte *hit_addr, bfd_vma val, unsigned int r_type); | |
206 | static bfd_boolean elfNN_ia64_choose_gp | |
207 | (bfd *abfd, struct bfd_link_info *info); | |
208 | static void elfNN_ia64_relax_ldxmov | |
209 | (bfd_byte *contents, bfd_vma off); | |
bbe66d08 | 210 | static void elfNN_ia64_dyn_sym_traverse |
eae50df2 L |
211 | (struct elfNN_ia64_link_hash_table *ia64_info, |
212 | bfd_boolean (*func) (struct elfNN_ia64_dyn_sym_info *, PTR), | |
213 | PTR info); | |
b34976b6 | 214 | static bfd_boolean allocate_global_data_got |
eae50df2 | 215 | (struct elfNN_ia64_dyn_sym_info *dyn_i, PTR data); |
b34976b6 | 216 | static bfd_boolean allocate_global_fptr_got |
eae50df2 | 217 | (struct elfNN_ia64_dyn_sym_info *dyn_i, PTR data); |
b34976b6 | 218 | static bfd_boolean allocate_local_got |
eae50df2 | 219 | (struct elfNN_ia64_dyn_sym_info *dyn_i, PTR data); |
b34976b6 | 220 | static bfd_boolean elfNN_ia64_hpux_vec |
eae50df2 L |
221 | (const bfd_target *vec); |
222 | static bfd_boolean allocate_dynrel_entries | |
223 | (struct elfNN_ia64_dyn_sym_info *dyn_i, PTR data); | |
224 | static asection *get_pltoff | |
225 | (bfd *abfd, struct bfd_link_info *info, | |
226 | struct elfNN_ia64_link_hash_table *ia64_info); | |
800eeca4 | 227 | \f |
5e8d7549 | 228 | /* ia64-specific relocation. */ |
800eeca4 JW |
229 | |
230 | /* Perform a relocation. Not much to do here as all the hard work is | |
bbe66d08 | 231 | done in elfNN_ia64_final_link_relocate. */ |
800eeca4 | 232 | static bfd_reloc_status_type |
eae50df2 L |
233 | elfNN_ia64_reloc (bfd *abfd ATTRIBUTE_UNUSED, arelent *reloc, |
234 | asymbol *sym ATTRIBUTE_UNUSED, | |
235 | PTR data ATTRIBUTE_UNUSED, asection *input_section, | |
236 | bfd *output_bfd, char **error_message) | |
800eeca4 JW |
237 | { |
238 | if (output_bfd) | |
239 | { | |
240 | reloc->address += input_section->output_offset; | |
241 | return bfd_reloc_ok; | |
242 | } | |
6e84a906 DJ |
243 | |
244 | if (input_section->flags & SEC_DEBUGGING) | |
245 | return bfd_reloc_continue; | |
246 | ||
bbe66d08 | 247 | *error_message = "Unsupported call to elfNN_ia64_reloc"; |
800eeca4 JW |
248 | return bfd_reloc_notsupported; |
249 | } | |
250 | ||
251 | #define IA64_HOWTO(TYPE, NAME, SIZE, PCREL, IN) \ | |
252 | HOWTO (TYPE, 0, SIZE, 0, PCREL, 0, complain_overflow_signed, \ | |
eff26f78 | 253 | elfNN_ia64_reloc, NAME, FALSE, 0, -1, IN) |
800eeca4 JW |
254 | |
255 | /* This table has to be sorted according to increasing number of the | |
256 | TYPE field. */ | |
257 | static reloc_howto_type ia64_howto_table[] = | |
258 | { | |
b34976b6 AM |
259 | IA64_HOWTO (R_IA64_NONE, "NONE", 0, FALSE, TRUE), |
260 | ||
261 | IA64_HOWTO (R_IA64_IMM14, "IMM14", 0, FALSE, TRUE), | |
262 | IA64_HOWTO (R_IA64_IMM22, "IMM22", 0, FALSE, TRUE), | |
263 | IA64_HOWTO (R_IA64_IMM64, "IMM64", 0, FALSE, TRUE), | |
264 | IA64_HOWTO (R_IA64_DIR32MSB, "DIR32MSB", 2, FALSE, TRUE), | |
265 | IA64_HOWTO (R_IA64_DIR32LSB, "DIR32LSB", 2, FALSE, TRUE), | |
266 | IA64_HOWTO (R_IA64_DIR64MSB, "DIR64MSB", 4, FALSE, TRUE), | |
267 | IA64_HOWTO (R_IA64_DIR64LSB, "DIR64LSB", 4, FALSE, TRUE), | |
268 | ||
269 | IA64_HOWTO (R_IA64_GPREL22, "GPREL22", 0, FALSE, TRUE), | |
270 | IA64_HOWTO (R_IA64_GPREL64I, "GPREL64I", 0, FALSE, TRUE), | |
271 | IA64_HOWTO (R_IA64_GPREL32MSB, "GPREL32MSB", 2, FALSE, TRUE), | |
272 | IA64_HOWTO (R_IA64_GPREL32LSB, "GPREL32LSB", 2, FALSE, TRUE), | |
273 | IA64_HOWTO (R_IA64_GPREL64MSB, "GPREL64MSB", 4, FALSE, TRUE), | |
274 | IA64_HOWTO (R_IA64_GPREL64LSB, "GPREL64LSB", 4, FALSE, TRUE), | |
275 | ||
276 | IA64_HOWTO (R_IA64_LTOFF22, "LTOFF22", 0, FALSE, TRUE), | |
277 | IA64_HOWTO (R_IA64_LTOFF64I, "LTOFF64I", 0, FALSE, TRUE), | |
278 | ||
279 | IA64_HOWTO (R_IA64_PLTOFF22, "PLTOFF22", 0, FALSE, TRUE), | |
280 | IA64_HOWTO (R_IA64_PLTOFF64I, "PLTOFF64I", 0, FALSE, TRUE), | |
281 | IA64_HOWTO (R_IA64_PLTOFF64MSB, "PLTOFF64MSB", 4, FALSE, TRUE), | |
282 | IA64_HOWTO (R_IA64_PLTOFF64LSB, "PLTOFF64LSB", 4, FALSE, TRUE), | |
283 | ||
284 | IA64_HOWTO (R_IA64_FPTR64I, "FPTR64I", 0, FALSE, TRUE), | |
285 | IA64_HOWTO (R_IA64_FPTR32MSB, "FPTR32MSB", 2, FALSE, TRUE), | |
286 | IA64_HOWTO (R_IA64_FPTR32LSB, "FPTR32LSB", 2, FALSE, TRUE), | |
287 | IA64_HOWTO (R_IA64_FPTR64MSB, "FPTR64MSB", 4, FALSE, TRUE), | |
288 | IA64_HOWTO (R_IA64_FPTR64LSB, "FPTR64LSB", 4, FALSE, TRUE), | |
289 | ||
290 | IA64_HOWTO (R_IA64_PCREL60B, "PCREL60B", 0, TRUE, TRUE), | |
291 | IA64_HOWTO (R_IA64_PCREL21B, "PCREL21B", 0, TRUE, TRUE), | |
292 | IA64_HOWTO (R_IA64_PCREL21M, "PCREL21M", 0, TRUE, TRUE), | |
293 | IA64_HOWTO (R_IA64_PCREL21F, "PCREL21F", 0, TRUE, TRUE), | |
294 | IA64_HOWTO (R_IA64_PCREL32MSB, "PCREL32MSB", 2, TRUE, TRUE), | |
295 | IA64_HOWTO (R_IA64_PCREL32LSB, "PCREL32LSB", 2, TRUE, TRUE), | |
296 | IA64_HOWTO (R_IA64_PCREL64MSB, "PCREL64MSB", 4, TRUE, TRUE), | |
297 | IA64_HOWTO (R_IA64_PCREL64LSB, "PCREL64LSB", 4, TRUE, TRUE), | |
298 | ||
299 | IA64_HOWTO (R_IA64_LTOFF_FPTR22, "LTOFF_FPTR22", 0, FALSE, TRUE), | |
300 | IA64_HOWTO (R_IA64_LTOFF_FPTR64I, "LTOFF_FPTR64I", 0, FALSE, TRUE), | |
301 | IA64_HOWTO (R_IA64_LTOFF_FPTR32MSB, "LTOFF_FPTR32MSB", 2, FALSE, TRUE), | |
302 | IA64_HOWTO (R_IA64_LTOFF_FPTR32LSB, "LTOFF_FPTR32LSB", 2, FALSE, TRUE), | |
303 | IA64_HOWTO (R_IA64_LTOFF_FPTR64MSB, "LTOFF_FPTR64MSB", 4, FALSE, TRUE), | |
304 | IA64_HOWTO (R_IA64_LTOFF_FPTR64LSB, "LTOFF_FPTR64LSB", 4, FALSE, TRUE), | |
305 | ||
306 | IA64_HOWTO (R_IA64_SEGREL32MSB, "SEGREL32MSB", 2, FALSE, TRUE), | |
307 | IA64_HOWTO (R_IA64_SEGREL32LSB, "SEGREL32LSB", 2, FALSE, TRUE), | |
308 | IA64_HOWTO (R_IA64_SEGREL64MSB, "SEGREL64MSB", 4, FALSE, TRUE), | |
309 | IA64_HOWTO (R_IA64_SEGREL64LSB, "SEGREL64LSB", 4, FALSE, TRUE), | |
310 | ||
311 | IA64_HOWTO (R_IA64_SECREL32MSB, "SECREL32MSB", 2, FALSE, TRUE), | |
312 | IA64_HOWTO (R_IA64_SECREL32LSB, "SECREL32LSB", 2, FALSE, TRUE), | |
313 | IA64_HOWTO (R_IA64_SECREL64MSB, "SECREL64MSB", 4, FALSE, TRUE), | |
314 | IA64_HOWTO (R_IA64_SECREL64LSB, "SECREL64LSB", 4, FALSE, TRUE), | |
315 | ||
316 | IA64_HOWTO (R_IA64_REL32MSB, "REL32MSB", 2, FALSE, TRUE), | |
317 | IA64_HOWTO (R_IA64_REL32LSB, "REL32LSB", 2, FALSE, TRUE), | |
318 | IA64_HOWTO (R_IA64_REL64MSB, "REL64MSB", 4, FALSE, TRUE), | |
319 | IA64_HOWTO (R_IA64_REL64LSB, "REL64LSB", 4, FALSE, TRUE), | |
320 | ||
321 | IA64_HOWTO (R_IA64_LTV32MSB, "LTV32MSB", 2, FALSE, TRUE), | |
322 | IA64_HOWTO (R_IA64_LTV32LSB, "LTV32LSB", 2, FALSE, TRUE), | |
323 | IA64_HOWTO (R_IA64_LTV64MSB, "LTV64MSB", 4, FALSE, TRUE), | |
324 | IA64_HOWTO (R_IA64_LTV64LSB, "LTV64LSB", 4, FALSE, TRUE), | |
325 | ||
326 | IA64_HOWTO (R_IA64_PCREL21BI, "PCREL21BI", 0, TRUE, TRUE), | |
327 | IA64_HOWTO (R_IA64_PCREL22, "PCREL22", 0, TRUE, TRUE), | |
328 | IA64_HOWTO (R_IA64_PCREL64I, "PCREL64I", 0, TRUE, TRUE), | |
329 | ||
330 | IA64_HOWTO (R_IA64_IPLTMSB, "IPLTMSB", 4, FALSE, TRUE), | |
331 | IA64_HOWTO (R_IA64_IPLTLSB, "IPLTLSB", 4, FALSE, TRUE), | |
332 | IA64_HOWTO (R_IA64_COPY, "COPY", 4, FALSE, TRUE), | |
333 | IA64_HOWTO (R_IA64_LTOFF22X, "LTOFF22X", 0, FALSE, TRUE), | |
334 | IA64_HOWTO (R_IA64_LDXMOV, "LDXMOV", 0, FALSE, TRUE), | |
335 | ||
336 | IA64_HOWTO (R_IA64_TPREL14, "TPREL14", 0, FALSE, FALSE), | |
337 | IA64_HOWTO (R_IA64_TPREL22, "TPREL22", 0, FALSE, FALSE), | |
338 | IA64_HOWTO (R_IA64_TPREL64I, "TPREL64I", 0, FALSE, FALSE), | |
1fc0d173 JJ |
339 | IA64_HOWTO (R_IA64_TPREL64MSB, "TPREL64MSB", 4, FALSE, FALSE), |
340 | IA64_HOWTO (R_IA64_TPREL64LSB, "TPREL64LSB", 4, FALSE, FALSE), | |
b34976b6 AM |
341 | IA64_HOWTO (R_IA64_LTOFF_TPREL22, "LTOFF_TPREL22", 0, FALSE, FALSE), |
342 | ||
0ca3e455 JB |
343 | IA64_HOWTO (R_IA64_DTPMOD64MSB, "DTPMOD64MSB", 4, FALSE, FALSE), |
344 | IA64_HOWTO (R_IA64_DTPMOD64LSB, "DTPMOD64LSB", 4, FALSE, FALSE), | |
b34976b6 AM |
345 | IA64_HOWTO (R_IA64_LTOFF_DTPMOD22, "LTOFF_DTPMOD22", 0, FALSE, FALSE), |
346 | ||
347 | IA64_HOWTO (R_IA64_DTPREL14, "DTPREL14", 0, FALSE, FALSE), | |
348 | IA64_HOWTO (R_IA64_DTPREL22, "DTPREL22", 0, FALSE, FALSE), | |
349 | IA64_HOWTO (R_IA64_DTPREL64I, "DTPREL64I", 0, FALSE, FALSE), | |
1fc0d173 JJ |
350 | IA64_HOWTO (R_IA64_DTPREL32MSB, "DTPREL32MSB", 2, FALSE, FALSE), |
351 | IA64_HOWTO (R_IA64_DTPREL32LSB, "DTPREL32LSB", 2, FALSE, FALSE), | |
352 | IA64_HOWTO (R_IA64_DTPREL64MSB, "DTPREL64MSB", 4, FALSE, FALSE), | |
353 | IA64_HOWTO (R_IA64_DTPREL64LSB, "DTPREL64LSB", 4, FALSE, FALSE), | |
b34976b6 | 354 | IA64_HOWTO (R_IA64_LTOFF_DTPREL22, "LTOFF_DTPREL22", 0, FALSE, FALSE), |
800eeca4 JW |
355 | }; |
356 | ||
357 | static unsigned char elf_code_to_howto_index[R_IA64_MAX_RELOC_CODE + 1]; | |
358 | ||
359 | /* Given a BFD reloc type, return the matching HOWTO structure. */ | |
360 | ||
5e8d7549 | 361 | static reloc_howto_type * |
eae50df2 | 362 | lookup_howto (unsigned int rtype) |
800eeca4 JW |
363 | { |
364 | static int inited = 0; | |
365 | int i; | |
366 | ||
367 | if (!inited) | |
368 | { | |
369 | inited = 1; | |
370 | ||
371 | memset (elf_code_to_howto_index, 0xff, sizeof (elf_code_to_howto_index)); | |
372 | for (i = 0; i < NELEMS (ia64_howto_table); ++i) | |
373 | elf_code_to_howto_index[ia64_howto_table[i].type] = i; | |
374 | } | |
375 | ||
d0fb9a8d JJ |
376 | if (rtype > R_IA64_MAX_RELOC_CODE) |
377 | return 0; | |
800eeca4 JW |
378 | i = elf_code_to_howto_index[rtype]; |
379 | if (i >= NELEMS (ia64_howto_table)) | |
380 | return 0; | |
381 | return ia64_howto_table + i; | |
382 | } | |
383 | ||
384 | static reloc_howto_type* | |
eae50df2 L |
385 | elfNN_ia64_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED, |
386 | bfd_reloc_code_real_type bfd_code) | |
800eeca4 JW |
387 | { |
388 | unsigned int rtype; | |
389 | ||
390 | switch (bfd_code) | |
391 | { | |
392 | case BFD_RELOC_NONE: rtype = R_IA64_NONE; break; | |
393 | ||
394 | case BFD_RELOC_IA64_IMM14: rtype = R_IA64_IMM14; break; | |
395 | case BFD_RELOC_IA64_IMM22: rtype = R_IA64_IMM22; break; | |
396 | case BFD_RELOC_IA64_IMM64: rtype = R_IA64_IMM64; break; | |
397 | ||
398 | case BFD_RELOC_IA64_DIR32MSB: rtype = R_IA64_DIR32MSB; break; | |
399 | case BFD_RELOC_IA64_DIR32LSB: rtype = R_IA64_DIR32LSB; break; | |
400 | case BFD_RELOC_IA64_DIR64MSB: rtype = R_IA64_DIR64MSB; break; | |
401 | case BFD_RELOC_IA64_DIR64LSB: rtype = R_IA64_DIR64LSB; break; | |
402 | ||
403 | case BFD_RELOC_IA64_GPREL22: rtype = R_IA64_GPREL22; break; | |
404 | case BFD_RELOC_IA64_GPREL64I: rtype = R_IA64_GPREL64I; break; | |
405 | case BFD_RELOC_IA64_GPREL32MSB: rtype = R_IA64_GPREL32MSB; break; | |
406 | case BFD_RELOC_IA64_GPREL32LSB: rtype = R_IA64_GPREL32LSB; break; | |
407 | case BFD_RELOC_IA64_GPREL64MSB: rtype = R_IA64_GPREL64MSB; break; | |
408 | case BFD_RELOC_IA64_GPREL64LSB: rtype = R_IA64_GPREL64LSB; break; | |
409 | ||
410 | case BFD_RELOC_IA64_LTOFF22: rtype = R_IA64_LTOFF22; break; | |
411 | case BFD_RELOC_IA64_LTOFF64I: rtype = R_IA64_LTOFF64I; break; | |
412 | ||
413 | case BFD_RELOC_IA64_PLTOFF22: rtype = R_IA64_PLTOFF22; break; | |
414 | case BFD_RELOC_IA64_PLTOFF64I: rtype = R_IA64_PLTOFF64I; break; | |
415 | case BFD_RELOC_IA64_PLTOFF64MSB: rtype = R_IA64_PLTOFF64MSB; break; | |
416 | case BFD_RELOC_IA64_PLTOFF64LSB: rtype = R_IA64_PLTOFF64LSB; break; | |
417 | case BFD_RELOC_IA64_FPTR64I: rtype = R_IA64_FPTR64I; break; | |
418 | case BFD_RELOC_IA64_FPTR32MSB: rtype = R_IA64_FPTR32MSB; break; | |
419 | case BFD_RELOC_IA64_FPTR32LSB: rtype = R_IA64_FPTR32LSB; break; | |
420 | case BFD_RELOC_IA64_FPTR64MSB: rtype = R_IA64_FPTR64MSB; break; | |
421 | case BFD_RELOC_IA64_FPTR64LSB: rtype = R_IA64_FPTR64LSB; break; | |
422 | ||
423 | case BFD_RELOC_IA64_PCREL21B: rtype = R_IA64_PCREL21B; break; | |
748abff6 | 424 | case BFD_RELOC_IA64_PCREL21BI: rtype = R_IA64_PCREL21BI; break; |
800eeca4 JW |
425 | case BFD_RELOC_IA64_PCREL21M: rtype = R_IA64_PCREL21M; break; |
426 | case BFD_RELOC_IA64_PCREL21F: rtype = R_IA64_PCREL21F; break; | |
748abff6 RH |
427 | case BFD_RELOC_IA64_PCREL22: rtype = R_IA64_PCREL22; break; |
428 | case BFD_RELOC_IA64_PCREL60B: rtype = R_IA64_PCREL60B; break; | |
429 | case BFD_RELOC_IA64_PCREL64I: rtype = R_IA64_PCREL64I; break; | |
800eeca4 JW |
430 | case BFD_RELOC_IA64_PCREL32MSB: rtype = R_IA64_PCREL32MSB; break; |
431 | case BFD_RELOC_IA64_PCREL32LSB: rtype = R_IA64_PCREL32LSB; break; | |
432 | case BFD_RELOC_IA64_PCREL64MSB: rtype = R_IA64_PCREL64MSB; break; | |
433 | case BFD_RELOC_IA64_PCREL64LSB: rtype = R_IA64_PCREL64LSB; break; | |
434 | ||
435 | case BFD_RELOC_IA64_LTOFF_FPTR22: rtype = R_IA64_LTOFF_FPTR22; break; | |
436 | case BFD_RELOC_IA64_LTOFF_FPTR64I: rtype = R_IA64_LTOFF_FPTR64I; break; | |
a4bd8390 JW |
437 | case BFD_RELOC_IA64_LTOFF_FPTR32MSB: rtype = R_IA64_LTOFF_FPTR32MSB; break; |
438 | case BFD_RELOC_IA64_LTOFF_FPTR32LSB: rtype = R_IA64_LTOFF_FPTR32LSB; break; | |
800eeca4 JW |
439 | case BFD_RELOC_IA64_LTOFF_FPTR64MSB: rtype = R_IA64_LTOFF_FPTR64MSB; break; |
440 | case BFD_RELOC_IA64_LTOFF_FPTR64LSB: rtype = R_IA64_LTOFF_FPTR64LSB; break; | |
441 | ||
800eeca4 JW |
442 | case BFD_RELOC_IA64_SEGREL32MSB: rtype = R_IA64_SEGREL32MSB; break; |
443 | case BFD_RELOC_IA64_SEGREL32LSB: rtype = R_IA64_SEGREL32LSB; break; | |
444 | case BFD_RELOC_IA64_SEGREL64MSB: rtype = R_IA64_SEGREL64MSB; break; | |
445 | case BFD_RELOC_IA64_SEGREL64LSB: rtype = R_IA64_SEGREL64LSB; break; | |
446 | ||
447 | case BFD_RELOC_IA64_SECREL32MSB: rtype = R_IA64_SECREL32MSB; break; | |
448 | case BFD_RELOC_IA64_SECREL32LSB: rtype = R_IA64_SECREL32LSB; break; | |
449 | case BFD_RELOC_IA64_SECREL64MSB: rtype = R_IA64_SECREL64MSB; break; | |
450 | case BFD_RELOC_IA64_SECREL64LSB: rtype = R_IA64_SECREL64LSB; break; | |
451 | ||
452 | case BFD_RELOC_IA64_REL32MSB: rtype = R_IA64_REL32MSB; break; | |
453 | case BFD_RELOC_IA64_REL32LSB: rtype = R_IA64_REL32LSB; break; | |
454 | case BFD_RELOC_IA64_REL64MSB: rtype = R_IA64_REL64MSB; break; | |
455 | case BFD_RELOC_IA64_REL64LSB: rtype = R_IA64_REL64LSB; break; | |
456 | ||
457 | case BFD_RELOC_IA64_LTV32MSB: rtype = R_IA64_LTV32MSB; break; | |
458 | case BFD_RELOC_IA64_LTV32LSB: rtype = R_IA64_LTV32LSB; break; | |
459 | case BFD_RELOC_IA64_LTV64MSB: rtype = R_IA64_LTV64MSB; break; | |
460 | case BFD_RELOC_IA64_LTV64LSB: rtype = R_IA64_LTV64LSB; break; | |
461 | ||
462 | case BFD_RELOC_IA64_IPLTMSB: rtype = R_IA64_IPLTMSB; break; | |
463 | case BFD_RELOC_IA64_IPLTLSB: rtype = R_IA64_IPLTLSB; break; | |
800eeca4 JW |
464 | case BFD_RELOC_IA64_COPY: rtype = R_IA64_COPY; break; |
465 | case BFD_RELOC_IA64_LTOFF22X: rtype = R_IA64_LTOFF22X; break; | |
466 | case BFD_RELOC_IA64_LDXMOV: rtype = R_IA64_LDXMOV; break; | |
467 | ||
13ae64f3 | 468 | case BFD_RELOC_IA64_TPREL14: rtype = R_IA64_TPREL14; break; |
800eeca4 | 469 | case BFD_RELOC_IA64_TPREL22: rtype = R_IA64_TPREL22; break; |
13ae64f3 | 470 | case BFD_RELOC_IA64_TPREL64I: rtype = R_IA64_TPREL64I; break; |
800eeca4 JW |
471 | case BFD_RELOC_IA64_TPREL64MSB: rtype = R_IA64_TPREL64MSB; break; |
472 | case BFD_RELOC_IA64_TPREL64LSB: rtype = R_IA64_TPREL64LSB; break; | |
13ae64f3 JJ |
473 | case BFD_RELOC_IA64_LTOFF_TPREL22: rtype = R_IA64_LTOFF_TPREL22; break; |
474 | ||
475 | case BFD_RELOC_IA64_DTPMOD64MSB: rtype = R_IA64_DTPMOD64MSB; break; | |
476 | case BFD_RELOC_IA64_DTPMOD64LSB: rtype = R_IA64_DTPMOD64LSB; break; | |
477 | case BFD_RELOC_IA64_LTOFF_DTPMOD22: rtype = R_IA64_LTOFF_DTPMOD22; break; | |
478 | ||
479 | case BFD_RELOC_IA64_DTPREL14: rtype = R_IA64_DTPREL14; break; | |
480 | case BFD_RELOC_IA64_DTPREL22: rtype = R_IA64_DTPREL22; break; | |
481 | case BFD_RELOC_IA64_DTPREL64I: rtype = R_IA64_DTPREL64I; break; | |
482 | case BFD_RELOC_IA64_DTPREL32MSB: rtype = R_IA64_DTPREL32MSB; break; | |
483 | case BFD_RELOC_IA64_DTPREL32LSB: rtype = R_IA64_DTPREL32LSB; break; | |
484 | case BFD_RELOC_IA64_DTPREL64MSB: rtype = R_IA64_DTPREL64MSB; break; | |
485 | case BFD_RELOC_IA64_DTPREL64LSB: rtype = R_IA64_DTPREL64LSB; break; | |
486 | case BFD_RELOC_IA64_LTOFF_DTPREL22: rtype = R_IA64_LTOFF_DTPREL22; break; | |
800eeca4 JW |
487 | |
488 | default: return 0; | |
489 | } | |
490 | return lookup_howto (rtype); | |
491 | } | |
492 | ||
157090f7 AM |
493 | static reloc_howto_type * |
494 | elfNN_ia64_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, | |
495 | const char *r_name) | |
496 | { | |
497 | unsigned int i; | |
498 | ||
499 | for (i = 0; | |
500 | i < sizeof (ia64_howto_table) / sizeof (ia64_howto_table[0]); | |
501 | i++) | |
502 | if (ia64_howto_table[i].name != NULL | |
503 | && strcasecmp (ia64_howto_table[i].name, r_name) == 0) | |
504 | return &ia64_howto_table[i]; | |
505 | ||
506 | return NULL; | |
507 | } | |
508 | ||
800eeca4 JW |
509 | /* Given a ELF reloc, return the matching HOWTO structure. */ |
510 | ||
511 | static void | |
eae50df2 L |
512 | elfNN_ia64_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED, |
513 | arelent *bfd_reloc, | |
514 | Elf_Internal_Rela *elf_reloc) | |
800eeca4 | 515 | { |
dc810e39 AM |
516 | bfd_reloc->howto |
517 | = lookup_howto ((unsigned int) ELFNN_R_TYPE (elf_reloc->r_info)); | |
800eeca4 JW |
518 | } |
519 | \f | |
520 | #define PLT_HEADER_SIZE (3 * 16) | |
521 | #define PLT_MIN_ENTRY_SIZE (1 * 16) | |
522 | #define PLT_FULL_ENTRY_SIZE (2 * 16) | |
523 | #define PLT_RESERVED_WORDS 3 | |
524 | ||
525 | static const bfd_byte plt_header[PLT_HEADER_SIZE] = | |
526 | { | |
527 | 0x0b, 0x10, 0x00, 0x1c, 0x00, 0x21, /* [MMI] mov r2=r14;; */ | |
528 | 0xe0, 0x00, 0x08, 0x00, 0x48, 0x00, /* addl r14=0,r2 */ | |
529 | 0x00, 0x00, 0x04, 0x00, /* nop.i 0x0;; */ | |
530 | 0x0b, 0x80, 0x20, 0x1c, 0x18, 0x14, /* [MMI] ld8 r16=[r14],8;; */ | |
531 | 0x10, 0x41, 0x38, 0x30, 0x28, 0x00, /* ld8 r17=[r14],8 */ | |
532 | 0x00, 0x00, 0x04, 0x00, /* nop.i 0x0;; */ | |
533 | 0x11, 0x08, 0x00, 0x1c, 0x18, 0x10, /* [MIB] ld8 r1=[r14] */ | |
534 | 0x60, 0x88, 0x04, 0x80, 0x03, 0x00, /* mov b6=r17 */ | |
535 | 0x60, 0x00, 0x80, 0x00 /* br.few b6;; */ | |
536 | }; | |
537 | ||
538 | static const bfd_byte plt_min_entry[PLT_MIN_ENTRY_SIZE] = | |
539 | { | |
540 | 0x11, 0x78, 0x00, 0x00, 0x00, 0x24, /* [MIB] mov r15=0 */ | |
541 | 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, /* nop.i 0x0 */ | |
542 | 0x00, 0x00, 0x00, 0x40 /* br.few 0 <PLT0>;; */ | |
543 | }; | |
544 | ||
545 | static const bfd_byte plt_full_entry[PLT_FULL_ENTRY_SIZE] = | |
546 | { | |
547 | 0x0b, 0x78, 0x00, 0x02, 0x00, 0x24, /* [MMI] addl r15=0,r1;; */ | |
8b6f2683 | 548 | 0x00, 0x41, 0x3c, 0x70, 0x29, 0xc0, /* ld8.acq r16=[r15],8*/ |
800eeca4 JW |
549 | 0x01, 0x08, 0x00, 0x84, /* mov r14=r1;; */ |
550 | 0x11, 0x08, 0x00, 0x1e, 0x18, 0x10, /* [MIB] ld8 r1=[r15] */ | |
551 | 0x60, 0x80, 0x04, 0x80, 0x03, 0x00, /* mov b6=r16 */ | |
552 | 0x60, 0x00, 0x80, 0x00 /* br.few b6;; */ | |
553 | }; | |
554 | ||
555 | #define ELF_DYNAMIC_INTERPRETER "/usr/lib/ld.so.1" | |
748abff6 | 556 | |
748abff6 RH |
557 | static const bfd_byte oor_brl[16] = |
558 | { | |
559 | 0x05, 0x00, 0x00, 0x00, 0x01, 0x00, /* [MLX] nop.m 0 */ | |
560 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* brl.sptk.few tgt;; */ | |
561 | 0x00, 0x00, 0x00, 0xc0 | |
562 | }; | |
3f7deb8a L |
563 | |
564 | static const bfd_byte oor_ip[48] = | |
565 | { | |
566 | 0x04, 0x00, 0x00, 0x00, 0x01, 0x00, /* [MLX] nop.m 0 */ | |
567 | 0x00, 0x00, 0x00, 0x00, 0x00, 0xe0, /* movl r15=0 */ | |
568 | 0x01, 0x00, 0x00, 0x60, | |
569 | 0x03, 0x00, 0x00, 0x00, 0x01, 0x00, /* [MII] nop.m 0 */ | |
570 | 0x00, 0x01, 0x00, 0x60, 0x00, 0x00, /* mov r16=ip;; */ | |
571 | 0xf2, 0x80, 0x00, 0x80, /* add r16=r15,r16;; */ | |
572 | 0x11, 0x00, 0x00, 0x00, 0x01, 0x00, /* [MIB] nop.m 0 */ | |
573 | 0x60, 0x80, 0x04, 0x80, 0x03, 0x00, /* mov b6=r16 */ | |
574 | 0x60, 0x00, 0x80, 0x00 /* br b6;; */ | |
575 | }; | |
576 | ||
577 | static size_t oor_branch_size = sizeof (oor_brl); | |
578 | ||
579 | void | |
580 | bfd_elfNN_ia64_after_parse (int itanium) | |
581 | { | |
582 | oor_branch_size = itanium ? sizeof (oor_ip) : sizeof (oor_brl); | |
583 | } | |
584 | ||
83b6bd86 L |
585 | #define BTYPE_SHIFT 6 |
586 | #define Y_SHIFT 26 | |
587 | #define X6_SHIFT 27 | |
588 | #define X4_SHIFT 27 | |
589 | #define X3_SHIFT 33 | |
590 | #define X2_SHIFT 31 | |
591 | #define X_SHIFT 33 | |
592 | #define OPCODE_SHIFT 37 | |
593 | ||
594 | #define OPCODE_BITS (0xfLL << OPCODE_SHIFT) | |
595 | #define X6_BITS (0x3fLL << X6_SHIFT) | |
596 | #define X4_BITS (0xfLL << X4_SHIFT) | |
597 | #define X3_BITS (0x7LL << X3_SHIFT) | |
598 | #define X2_BITS (0x3LL << X2_SHIFT) | |
599 | #define X_BITS (0x1LL << X_SHIFT) | |
600 | #define Y_BITS (0x1LL << Y_SHIFT) | |
601 | #define BTYPE_BITS (0x7LL << BTYPE_SHIFT) | |
602 | #define PREDICATE_BITS (0x3fLL) | |
603 | ||
604 | #define IS_NOP_B(i) \ | |
605 | (((i) & (OPCODE_BITS | X6_BITS)) == (2LL << OPCODE_SHIFT)) | |
606 | #define IS_NOP_F(i) \ | |
607 | (((i) & (OPCODE_BITS | X_BITS | X6_BITS | Y_BITS)) \ | |
608 | == (0x1LL << X6_SHIFT)) | |
609 | #define IS_NOP_I(i) \ | |
610 | (((i) & (OPCODE_BITS | X3_BITS | X6_BITS | Y_BITS)) \ | |
611 | == (0x1LL << X6_SHIFT)) | |
612 | #define IS_NOP_M(i) \ | |
613 | (((i) & (OPCODE_BITS | X3_BITS | X2_BITS | X4_BITS | Y_BITS)) \ | |
614 | == (0x1LL << X4_SHIFT)) | |
615 | #define IS_BR_COND(i) \ | |
616 | (((i) & (OPCODE_BITS | BTYPE_BITS)) == (0x4LL << OPCODE_SHIFT)) | |
617 | #define IS_BR_CALL(i) \ | |
618 | (((i) & OPCODE_BITS) == (0x5LL << OPCODE_SHIFT)) | |
619 | ||
620 | static bfd_boolean | |
621 | elfNN_ia64_relax_br (bfd_byte *contents, bfd_vma off) | |
622 | { | |
d3ce72d0 | 623 | unsigned int template_val, mlx; |
83b6bd86 L |
624 | bfd_vma t0, t1, s0, s1, s2, br_code; |
625 | long br_slot; | |
626 | bfd_byte *hit_addr; | |
627 | ||
628 | hit_addr = (bfd_byte *) (contents + off); | |
629 | br_slot = (long) hit_addr & 0x3; | |
630 | hit_addr -= br_slot; | |
631 | t0 = bfd_getl64 (hit_addr + 0); | |
632 | t1 = bfd_getl64 (hit_addr + 8); | |
633 | ||
634 | /* Check if we can turn br into brl. A label is always at the start | |
635 | of the bundle. Even if there are predicates on NOPs, we still | |
636 | perform this optimization. */ | |
d3ce72d0 | 637 | template_val = t0 & 0x1e; |
83b6bd86 L |
638 | s0 = (t0 >> 5) & 0x1ffffffffffLL; |
639 | s1 = ((t0 >> 46) | (t1 << 18)) & 0x1ffffffffffLL; | |
640 | s2 = (t1 >> 23) & 0x1ffffffffffLL; | |
641 | switch (br_slot) | |
642 | { | |
643 | case 0: | |
644 | /* Check if slot 1 and slot 2 are NOPs. Possible template is | |
645 | BBB. We only need to check nop.b. */ | |
646 | if (!(IS_NOP_B (s1) && IS_NOP_B (s2))) | |
647 | return FALSE; | |
648 | br_code = s0; | |
649 | break; | |
650 | case 1: | |
651 | /* Check if slot 2 is NOP. Possible templates are MBB and BBB. | |
652 | For BBB, slot 0 also has to be nop.b. */ | |
d3ce72d0 | 653 | if (!((template_val == 0x12 /* MBB */ |
83b6bd86 | 654 | && IS_NOP_B (s2)) |
d3ce72d0 | 655 | || (template_val == 0x16 /* BBB */ |
83b6bd86 L |
656 | && IS_NOP_B (s0) |
657 | && IS_NOP_B (s2)))) | |
658 | return FALSE; | |
659 | br_code = s1; | |
660 | break; | |
661 | case 2: | |
662 | /* Check if slot 1 is NOP. Possible templates are MIB, MBB, BBB, | |
663 | MMB and MFB. For BBB, slot 0 also has to be nop.b. */ | |
d3ce72d0 | 664 | if (!((template_val == 0x10 /* MIB */ |
83b6bd86 | 665 | && IS_NOP_I (s1)) |
d3ce72d0 | 666 | || (template_val == 0x12 /* MBB */ |
83b6bd86 | 667 | && IS_NOP_B (s1)) |
d3ce72d0 | 668 | || (template_val == 0x16 /* BBB */ |
83b6bd86 L |
669 | && IS_NOP_B (s0) |
670 | && IS_NOP_B (s1)) | |
d3ce72d0 | 671 | || (template_val == 0x18 /* MMB */ |
83b6bd86 | 672 | && IS_NOP_M (s1)) |
d3ce72d0 | 673 | || (template_val == 0x1c /* MFB */ |
83b6bd86 L |
674 | && IS_NOP_F (s1)))) |
675 | return FALSE; | |
676 | br_code = s2; | |
677 | break; | |
678 | default: | |
679 | /* It should never happen. */ | |
680 | abort (); | |
681 | } | |
9a2e389a | 682 | |
83b6bd86 L |
683 | /* We can turn br.cond/br.call into brl.cond/brl.call. */ |
684 | if (!(IS_BR_COND (br_code) || IS_BR_CALL (br_code))) | |
685 | return FALSE; | |
686 | ||
687 | /* Turn br into brl by setting bit 40. */ | |
688 | br_code |= 0x1LL << 40; | |
689 | ||
690 | /* Turn the old bundle into a MLX bundle with the same stop-bit | |
691 | variety. */ | |
692 | if (t0 & 0x1) | |
693 | mlx = 0x5; | |
694 | else | |
695 | mlx = 0x4; | |
696 | ||
d3ce72d0 | 697 | if (template_val == 0x16) |
83b6bd86 | 698 | { |
5e27d427 L |
699 | /* For BBB, we need to put nop.m in slot 0. We keep the original |
700 | predicate only if slot 0 isn't br. */ | |
701 | if (br_slot == 0) | |
702 | t0 = 0LL; | |
703 | else | |
704 | t0 &= PREDICATE_BITS << 5; | |
83b6bd86 L |
705 | t0 |= 0x1LL << (X4_SHIFT + 5); |
706 | } | |
707 | else | |
708 | { | |
709 | /* Keep the original instruction in slot 0. */ | |
710 | t0 &= 0x1ffffffffffLL << 5; | |
711 | } | |
712 | ||
713 | t0 |= mlx; | |
714 | ||
715 | /* Put brl in slot 1. */ | |
716 | t1 = br_code << 23; | |
717 | ||
718 | bfd_putl64 (t0, hit_addr); | |
719 | bfd_putl64 (t1, hit_addr + 8); | |
720 | return TRUE; | |
721 | } | |
722 | ||
03609792 | 723 | static void |
bbb268c3 | 724 | elfNN_ia64_relax_brl (bfd_byte *contents, bfd_vma off) |
03609792 | 725 | { |
d3ce72d0 | 726 | int template_val; |
03609792 | 727 | bfd_byte *hit_addr; |
fc3ab699 | 728 | bfd_vma t0, t1, i0, i1, i2; |
03609792 L |
729 | |
730 | hit_addr = (bfd_byte *) (contents + off); | |
731 | hit_addr -= (long) hit_addr & 0x3; | |
fc3ab699 L |
732 | t0 = bfd_getl64 (hit_addr); |
733 | t1 = bfd_getl64 (hit_addr + 8); | |
03609792 | 734 | |
7e3102a7 | 735 | /* Keep the instruction in slot 0. */ |
fc3ab699 L |
736 | i0 = (t0 >> 5) & 0x1ffffffffffLL; |
737 | /* Use nop.b for slot 1. */ | |
738 | i1 = 0x4000000000LL; | |
7e3102a7 | 739 | /* For slot 2, turn brl into br by masking out bit 40. */ |
fc3ab699 | 740 | i2 = (t1 >> 23) & 0x0ffffffffffLL; |
7e3102a7 | 741 | |
fc3ab699 L |
742 | /* Turn a MLX bundle into a MBB bundle with the same stop-bit |
743 | variety. */ | |
744 | if (t0 & 0x1) | |
d3ce72d0 | 745 | template_val = 0x13; |
fc3ab699 | 746 | else |
d3ce72d0 NC |
747 | template_val = 0x12; |
748 | t0 = (i1 << 46) | (i0 << 5) | template_val; | |
fc3ab699 | 749 | t1 = (i2 << 23) | (i1 >> 18); |
7e3102a7 | 750 | |
fc3ab699 L |
751 | bfd_putl64 (t0, hit_addr); |
752 | bfd_putl64 (t1, hit_addr + 8); | |
03609792 | 753 | } |
fbbc3759 L |
754 | |
755 | /* Rename some of the generic section flags to better document how they | |
756 | are used here. */ | |
757 | #define skip_relax_pass_0 need_finalize_relax | |
758 | #define skip_relax_pass_1 has_gp_reloc | |
759 | ||
748abff6 | 760 | \f |
2c4c2bc0 | 761 | /* These functions do relaxation for IA-64 ELF. */ |
748abff6 | 762 | |
a231ddc0 L |
763 | static void |
764 | elfNN_ia64_update_short_info (asection *sec, bfd_vma offset, | |
765 | struct elfNN_ia64_link_hash_table *ia64_info) | |
766 | { | |
767 | /* Skip SHF_IA_64_SHORT sections. */ | |
768 | if (sec->flags & SEC_SMALL_DATA) | |
769 | return; | |
770 | ||
771 | if (!ia64_info->min_short_sec) | |
772 | { | |
773 | ia64_info->max_short_sec = sec; | |
774 | ia64_info->max_short_offset = offset; | |
775 | ia64_info->min_short_sec = sec; | |
776 | ia64_info->min_short_offset = offset; | |
777 | } | |
778 | else if (sec == ia64_info->max_short_sec | |
779 | && offset > ia64_info->max_short_offset) | |
780 | ia64_info->max_short_offset = offset; | |
781 | else if (sec == ia64_info->min_short_sec | |
782 | && offset < ia64_info->min_short_offset) | |
783 | ia64_info->min_short_offset = offset; | |
784 | else if (sec->output_section->vma | |
affb4bf3 | 785 | > ia64_info->max_short_sec->vma) |
a231ddc0 L |
786 | { |
787 | ia64_info->max_short_sec = sec; | |
788 | ia64_info->max_short_offset = offset; | |
789 | } | |
790 | else if (sec->output_section->vma | |
affb4bf3 | 791 | < ia64_info->min_short_sec->vma) |
a231ddc0 L |
792 | { |
793 | ia64_info->min_short_sec = sec; | |
794 | ia64_info->min_short_offset = offset; | |
795 | } | |
796 | } | |
797 | ||
b34976b6 | 798 | static bfd_boolean |
eae50df2 L |
799 | elfNN_ia64_relax_section (bfd *abfd, asection *sec, |
800 | struct bfd_link_info *link_info, | |
801 | bfd_boolean *again) | |
748abff6 RH |
802 | { |
803 | struct one_fixup | |
804 | { | |
805 | struct one_fixup *next; | |
806 | asection *tsec; | |
807 | bfd_vma toff; | |
808 | bfd_vma trampoff; | |
809 | }; | |
810 | ||
811 | Elf_Internal_Shdr *symtab_hdr; | |
812 | Elf_Internal_Rela *internal_relocs; | |
748abff6 RH |
813 | Elf_Internal_Rela *irel, *irelend; |
814 | bfd_byte *contents; | |
6cdc0ccc | 815 | Elf_Internal_Sym *isymbuf = NULL; |
bbe66d08 | 816 | struct elfNN_ia64_link_hash_table *ia64_info; |
748abff6 | 817 | struct one_fixup *fixups = NULL; |
b34976b6 AM |
818 | bfd_boolean changed_contents = FALSE; |
819 | bfd_boolean changed_relocs = FALSE; | |
2c4c2bc0 | 820 | bfd_boolean changed_got = FALSE; |
fbbc3759 L |
821 | bfd_boolean skip_relax_pass_0 = TRUE; |
822 | bfd_boolean skip_relax_pass_1 = TRUE; | |
2c4c2bc0 | 823 | bfd_vma gp = 0; |
748abff6 | 824 | |
46f5aac8 KH |
825 | /* Assume we're not going to change any sizes, and we'll only need |
826 | one pass. */ | |
b34976b6 | 827 | *again = FALSE; |
748abff6 | 828 | |
c8a1f254 NS |
829 | if (link_info->relocatable) |
830 | (*link_info->callbacks->einfo) | |
831 | (_("%P%F: --relax and -r may not be used together\n")); | |
832 | ||
04b3329b | 833 | /* Don't even try to relax for non-ELF outputs. */ |
0eddce27 | 834 | if (!is_elf_hash_table (link_info->hash)) |
04b3329b L |
835 | return FALSE; |
836 | ||
c7996ad6 | 837 | /* Nothing to do if there are no relocations or there is no need for |
fbbc3759 | 838 | the current pass. */ |
748abff6 | 839 | if ((sec->flags & SEC_RELOC) == 0 |
c7996ad6 | 840 | || sec->reloc_count == 0 |
fbbc3759 L |
841 | || (link_info->relax_pass == 0 && sec->skip_relax_pass_0) |
842 | || (link_info->relax_pass == 1 && sec->skip_relax_pass_1)) | |
b34976b6 | 843 | return TRUE; |
748abff6 | 844 | |
748abff6 RH |
845 | symtab_hdr = &elf_tdata (abfd)->symtab_hdr; |
846 | ||
847 | /* Load the relocations for this section. */ | |
45d6a902 | 848 | internal_relocs = (_bfd_elf_link_read_relocs |
748abff6 RH |
849 | (abfd, sec, (PTR) NULL, (Elf_Internal_Rela *) NULL, |
850 | link_info->keep_memory)); | |
851 | if (internal_relocs == NULL) | |
b34976b6 | 852 | return FALSE; |
748abff6 | 853 | |
bbe66d08 | 854 | ia64_info = elfNN_ia64_hash_table (link_info); |
748abff6 RH |
855 | irelend = internal_relocs + sec->reloc_count; |
856 | ||
748abff6 | 857 | /* Get the section contents. */ |
748abff6 RH |
858 | if (elf_section_data (sec)->this_hdr.contents != NULL) |
859 | contents = elf_section_data (sec)->this_hdr.contents; | |
860 | else | |
861 | { | |
eea6121a | 862 | if (!bfd_malloc_and_get_section (abfd, sec, &contents)) |
748abff6 RH |
863 | goto error_return; |
864 | } | |
865 | ||
2c4c2bc0 | 866 | for (irel = internal_relocs; irel < irelend; irel++) |
748abff6 | 867 | { |
2f9bd3f6 | 868 | unsigned long r_type = ELFNN_R_TYPE (irel->r_info); |
748abff6 | 869 | bfd_vma symaddr, reladdr, trampoff, toff, roff; |
748abff6 RH |
870 | asection *tsec; |
871 | struct one_fixup *f; | |
dc810e39 | 872 | bfd_size_type amt; |
2c4c2bc0 RH |
873 | bfd_boolean is_branch; |
874 | struct elfNN_ia64_dyn_sym_info *dyn_i; | |
bf8b15af | 875 | char symtype; |
748abff6 | 876 | |
2c4c2bc0 RH |
877 | switch (r_type) |
878 | { | |
879 | case R_IA64_PCREL21B: | |
880 | case R_IA64_PCREL21BI: | |
881 | case R_IA64_PCREL21M: | |
882 | case R_IA64_PCREL21F: | |
fbbc3759 L |
883 | /* In pass 1, all br relaxations are done. We can skip it. */ |
884 | if (link_info->relax_pass == 1) | |
c7996ad6 | 885 | continue; |
fbbc3759 | 886 | skip_relax_pass_0 = FALSE; |
2c4c2bc0 RH |
887 | is_branch = TRUE; |
888 | break; | |
889 | ||
03609792 | 890 | case R_IA64_PCREL60B: |
fbbc3759 L |
891 | /* We can't optimize brl to br in pass 0 since br relaxations |
892 | will increase the code size. Defer it to pass 1. */ | |
893 | if (link_info->relax_pass == 0) | |
03609792 | 894 | { |
fbbc3759 | 895 | skip_relax_pass_1 = FALSE; |
03609792 L |
896 | continue; |
897 | } | |
898 | is_branch = TRUE; | |
899 | break; | |
900 | ||
a231ddc0 L |
901 | case R_IA64_GPREL22: |
902 | /* Update max_short_sec/min_short_sec. */ | |
903 | ||
2c4c2bc0 RH |
904 | case R_IA64_LTOFF22X: |
905 | case R_IA64_LDXMOV: | |
fbbc3759 L |
906 | /* We can't relax ldx/mov in pass 0 since br relaxations will |
907 | increase the code size. Defer it to pass 1. */ | |
908 | if (link_info->relax_pass == 0) | |
c7996ad6 | 909 | { |
fbbc3759 | 910 | skip_relax_pass_1 = FALSE; |
c7996ad6 L |
911 | continue; |
912 | } | |
2c4c2bc0 RH |
913 | is_branch = FALSE; |
914 | break; | |
915 | ||
916 | default: | |
917 | continue; | |
918 | } | |
748abff6 RH |
919 | |
920 | /* Get the value of the symbol referred to by the reloc. */ | |
bbe66d08 | 921 | if (ELFNN_R_SYM (irel->r_info) < symtab_hdr->sh_info) |
748abff6 RH |
922 | { |
923 | /* A local symbol. */ | |
6cdc0ccc AM |
924 | Elf_Internal_Sym *isym; |
925 | ||
926 | /* Read this BFD's local symbols. */ | |
927 | if (isymbuf == NULL) | |
928 | { | |
929 | isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents; | |
930 | if (isymbuf == NULL) | |
931 | isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr, | |
932 | symtab_hdr->sh_info, 0, | |
933 | NULL, NULL, NULL); | |
934 | if (isymbuf == 0) | |
935 | goto error_return; | |
936 | } | |
937 | ||
60d8b524 | 938 | isym = isymbuf + ELFNN_R_SYM (irel->r_info); |
6cdc0ccc | 939 | if (isym->st_shndx == SHN_UNDEF) |
4cc11e76 | 940 | continue; /* We can't do anything with undefined symbols. */ |
6cdc0ccc | 941 | else if (isym->st_shndx == SHN_ABS) |
748abff6 | 942 | tsec = bfd_abs_section_ptr; |
6cdc0ccc | 943 | else if (isym->st_shndx == SHN_COMMON) |
748abff6 | 944 | tsec = bfd_com_section_ptr; |
6cdc0ccc | 945 | else if (isym->st_shndx == SHN_IA_64_ANSI_COMMON) |
d9cf1b54 | 946 | tsec = bfd_com_section_ptr; |
3e932841 | 947 | else |
6cdc0ccc | 948 | tsec = bfd_section_from_elf_index (abfd, isym->st_shndx); |
748abff6 | 949 | |
6cdc0ccc | 950 | toff = isym->st_value; |
2c4c2bc0 | 951 | dyn_i = get_dyn_sym_info (ia64_info, NULL, abfd, irel, FALSE); |
bf8b15af | 952 | symtype = ELF_ST_TYPE (isym->st_info); |
748abff6 RH |
953 | } |
954 | else | |
955 | { | |
956 | unsigned long indx; | |
957 | struct elf_link_hash_entry *h; | |
748abff6 | 958 | |
bbe66d08 | 959 | indx = ELFNN_R_SYM (irel->r_info) - symtab_hdr->sh_info; |
748abff6 RH |
960 | h = elf_sym_hashes (abfd)[indx]; |
961 | BFD_ASSERT (h != NULL); | |
962 | ||
963 | while (h->root.type == bfd_link_hash_indirect | |
964 | || h->root.type == bfd_link_hash_warning) | |
965 | h = (struct elf_link_hash_entry *) h->root.u.i.link; | |
966 | ||
b34976b6 | 967 | dyn_i = get_dyn_sym_info (ia64_info, h, abfd, irel, FALSE); |
748abff6 RH |
968 | |
969 | /* For branches to dynamic symbols, we're interested instead | |
970 | in a branch to the PLT entry. */ | |
2c4c2bc0 | 971 | if (is_branch && dyn_i && dyn_i->want_plt2) |
748abff6 | 972 | { |
2f9bd3f6 RH |
973 | /* Internal branches shouldn't be sent to the PLT. |
974 | Leave this for now and we'll give an error later. */ | |
975 | if (r_type != R_IA64_PCREL21B) | |
976 | continue; | |
977 | ||
cc3bd654 | 978 | tsec = ia64_info->root.splt; |
748abff6 | 979 | toff = dyn_i->plt2_offset; |
3fa1d917 | 980 | BFD_ASSERT (irel->r_addend == 0); |
748abff6 | 981 | } |
2c4c2bc0 RH |
982 | |
983 | /* Can't do anything else with dynamic symbols. */ | |
986a241f | 984 | else if (elfNN_ia64_dynamic_symbol_p (h, link_info, r_type)) |
2c4c2bc0 RH |
985 | continue; |
986 | ||
748abff6 RH |
987 | else |
988 | { | |
4cc11e76 | 989 | /* We can't do anything with undefined symbols. */ |
748abff6 RH |
990 | if (h->root.type == bfd_link_hash_undefined |
991 | || h->root.type == bfd_link_hash_undefweak) | |
992 | continue; | |
993 | ||
994 | tsec = h->root.u.def.section; | |
995 | toff = h->root.u.def.value; | |
996 | } | |
bf8b15af L |
997 | |
998 | symtype = h->type; | |
5dd23ec1 | 999 | } |
3fa1d917 | 1000 | |
9f2e92c5 | 1001 | if (tsec->sec_info_type == ELF_INFO_TYPE_MERGE) |
bf8b15af L |
1002 | { |
1003 | /* At this stage in linking, no SEC_MERGE symbol has been | |
1004 | adjusted, so all references to such symbols need to be | |
1005 | passed through _bfd_merged_section_offset. (Later, in | |
1006 | relocate_section, all SEC_MERGE symbols *except* for | |
1007 | section symbols have been adjusted.) | |
1008 | ||
1009 | gas may reduce relocations against symbols in SEC_MERGE | |
1010 | sections to a relocation against the section symbol when | |
1011 | the original addend was zero. When the reloc is against | |
1012 | a section symbol we should include the addend in the | |
1013 | offset passed to _bfd_merged_section_offset, since the | |
1014 | location of interest is the original symbol. On the | |
1015 | other hand, an access to "sym+addend" where "sym" is not | |
1016 | a section symbol should not include the addend; Such an | |
1017 | access is presumed to be an offset from "sym"; The | |
1018 | location of interest is just "sym". */ | |
1019 | if (symtype == STT_SECTION) | |
1020 | toff += irel->r_addend; | |
f12123c0 | 1021 | |
bf8b15af L |
1022 | toff = _bfd_merged_section_offset (abfd, &tsec, |
1023 | elf_section_data (tsec)->sec_info, | |
1024 | toff); | |
1025 | ||
1026 | if (symtype != STT_SECTION) | |
1027 | toff += irel->r_addend; | |
1028 | } | |
9f2e92c5 L |
1029 | else |
1030 | toff += irel->r_addend; | |
1031 | ||
3fa1d917 | 1032 | symaddr = tsec->output_section->vma + tsec->output_offset + toff; |
748abff6 RH |
1033 | |
1034 | roff = irel->r_offset; | |
748abff6 | 1035 | |
2c4c2bc0 RH |
1036 | if (is_branch) |
1037 | { | |
de0d9f33 L |
1038 | bfd_signed_vma offset; |
1039 | ||
2c4c2bc0 RH |
1040 | reladdr = (sec->output_section->vma |
1041 | + sec->output_offset | |
1042 | + roff) & (bfd_vma) -4; | |
748abff6 | 1043 | |
feddcd0d L |
1044 | /* The .plt section is aligned at 32byte and the .text section |
1045 | is aligned at 64byte. The .text section is right after the | |
1046 | .plt section. After the first relaxation pass, linker may | |
1047 | increase the gap between the .plt and .text sections up | |
1048 | to 32byte. We assume linker will always insert 32byte | |
1049 | between the .plt and .text sections after the the first | |
1050 | relaxation pass. */ | |
cc3bd654 | 1051 | if (tsec == ia64_info->root.splt) |
feddcd0d L |
1052 | offset = -0x1000000 + 32; |
1053 | else | |
1054 | offset = -0x1000000; | |
1055 | ||
2c4c2bc0 | 1056 | /* If the branch is in range, no need to do anything. */ |
feddcd0d | 1057 | if ((bfd_signed_vma) (symaddr - reladdr) >= offset |
2c4c2bc0 | 1058 | && (bfd_signed_vma) (symaddr - reladdr) <= 0x0FFFFF0) |
03609792 L |
1059 | { |
1060 | /* If the 60-bit branch is in 21-bit range, optimize it. */ | |
1061 | if (r_type == R_IA64_PCREL60B) | |
1062 | { | |
bbb268c3 | 1063 | elfNN_ia64_relax_brl (contents, roff); |
03609792 L |
1064 | |
1065 | irel->r_info | |
7e3102a7 | 1066 | = ELFNN_R_INFO (ELFNN_R_SYM (irel->r_info), |
03609792 L |
1067 | R_IA64_PCREL21B); |
1068 | ||
1069 | /* If the original relocation offset points to slot | |
1070 | 1, change it to slot 2. */ | |
1071 | if ((irel->r_offset & 3) == 1) | |
1072 | irel->r_offset += 1; | |
1073 | } | |
1074 | ||
1075 | continue; | |
1076 | } | |
1077 | else if (r_type == R_IA64_PCREL60B) | |
2c4c2bc0 | 1078 | continue; |
83b6bd86 L |
1079 | else if (elfNN_ia64_relax_br (contents, roff)) |
1080 | { | |
1081 | irel->r_info | |
1082 | = ELFNN_R_INFO (ELFNN_R_SYM (irel->r_info), | |
1083 | R_IA64_PCREL60B); | |
1084 | ||
1085 | /* Make the relocation offset point to slot 1. */ | |
1086 | irel->r_offset = (irel->r_offset & ~((bfd_vma) 0x3)) + 1; | |
1087 | continue; | |
1088 | } | |
748abff6 | 1089 | |
e525914f L |
1090 | /* We can't put a trampoline in a .init/.fini section. Issue |
1091 | an error. */ | |
1092 | if (strcmp (sec->output_section->name, ".init") == 0 | |
1093 | || strcmp (sec->output_section->name, ".fini") == 0) | |
1094 | { | |
1095 | (*_bfd_error_handler) | |
d003868e AM |
1096 | (_("%B: Can't relax br at 0x%lx in section `%A'. Please use brl or indirect branch."), |
1097 | sec->owner, sec, (unsigned long) roff); | |
e525914f L |
1098 | bfd_set_error (bfd_error_bad_value); |
1099 | goto error_return; | |
1100 | } | |
1101 | ||
2c4c2bc0 | 1102 | /* If the branch and target are in the same section, you've |
c5509b92 L |
1103 | got one honking big section and we can't help you unless |
1104 | you are branching backwards. You'll get an error message | |
1105 | later. */ | |
1106 | if (tsec == sec && toff > roff) | |
2c4c2bc0 | 1107 | continue; |
748abff6 | 1108 | |
2c4c2bc0 RH |
1109 | /* Look for an existing fixup to this address. */ |
1110 | for (f = fixups; f ; f = f->next) | |
1111 | if (f->tsec == tsec && f->toff == toff) | |
1112 | break; | |
748abff6 | 1113 | |
2c4c2bc0 | 1114 | if (f == NULL) |
748abff6 | 1115 | { |
2c4c2bc0 RH |
1116 | /* Two alternatives: If it's a branch to a PLT entry, we can |
1117 | make a copy of the FULL_PLT entry. Otherwise, we'll have | |
1118 | to use a `brl' insn to get where we're going. */ | |
1119 | ||
1120 | size_t size; | |
1121 | ||
cc3bd654 | 1122 | if (tsec == ia64_info->root.splt) |
2c4c2bc0 RH |
1123 | size = sizeof (plt_full_entry); |
1124 | else | |
3f7deb8a | 1125 | size = oor_branch_size; |
748abff6 | 1126 | |
2c4c2bc0 | 1127 | /* Resize the current section to make room for the new branch. */ |
eea6121a | 1128 | trampoff = (sec->size + 15) & (bfd_vma) -16; |
de0d9f33 L |
1129 | |
1130 | /* If trampoline is out of range, there is nothing we | |
1131 | can do. */ | |
1132 | offset = trampoff - (roff & (bfd_vma) -4); | |
1133 | if (offset < -0x1000000 || offset > 0x0FFFFF0) | |
1134 | continue; | |
1135 | ||
2c4c2bc0 RH |
1136 | amt = trampoff + size; |
1137 | contents = (bfd_byte *) bfd_realloc (contents, amt); | |
1138 | if (contents == NULL) | |
1139 | goto error_return; | |
eea6121a | 1140 | sec->size = amt; |
748abff6 | 1141 | |
cc3bd654 | 1142 | if (tsec == ia64_info->root.splt) |
2c4c2bc0 RH |
1143 | { |
1144 | memcpy (contents + trampoff, plt_full_entry, size); | |
748abff6 | 1145 | |
2c4c2bc0 RH |
1146 | /* Hijack the old relocation for use as the PLTOFF reloc. */ |
1147 | irel->r_info = ELFNN_R_INFO (ELFNN_R_SYM (irel->r_info), | |
1148 | R_IA64_PLTOFF22); | |
1149 | irel->r_offset = trampoff; | |
1150 | } | |
1151 | else | |
1152 | { | |
3f7deb8a L |
1153 | if (size == sizeof (oor_ip)) |
1154 | { | |
1155 | memcpy (contents + trampoff, oor_ip, size); | |
1156 | irel->r_info = ELFNN_R_INFO (ELFNN_R_SYM (irel->r_info), | |
1157 | R_IA64_PCREL64I); | |
1158 | irel->r_addend -= 16; | |
1159 | irel->r_offset = trampoff + 2; | |
1160 | } | |
1161 | else | |
1162 | { | |
1163 | memcpy (contents + trampoff, oor_brl, size); | |
1164 | irel->r_info = ELFNN_R_INFO (ELFNN_R_SYM (irel->r_info), | |
1165 | R_IA64_PCREL60B); | |
1166 | irel->r_offset = trampoff + 2; | |
1167 | } | |
1168 | ||
2c4c2bc0 RH |
1169 | } |
1170 | ||
1171 | /* Record the fixup so we don't do it again this section. */ | |
1172 | f = (struct one_fixup *) | |
1173 | bfd_malloc ((bfd_size_type) sizeof (*f)); | |
1174 | f->next = fixups; | |
1175 | f->tsec = tsec; | |
1176 | f->toff = toff; | |
1177 | f->trampoff = trampoff; | |
1178 | fixups = f; | |
748abff6 | 1179 | } |
2c4c2bc0 RH |
1180 | else |
1181 | { | |
de0d9f33 L |
1182 | /* If trampoline is out of range, there is nothing we |
1183 | can do. */ | |
1184 | offset = f->trampoff - (roff & (bfd_vma) -4); | |
1185 | if (offset < -0x1000000 || offset > 0x0FFFFF0) | |
1186 | continue; | |
1187 | ||
2c4c2bc0 RH |
1188 | /* Nop out the reloc, since we're finalizing things here. */ |
1189 | irel->r_info = ELFNN_R_INFO (0, R_IA64_NONE); | |
1190 | } | |
1191 | ||
de0d9f33 | 1192 | /* Fix up the existing branch to hit the trampoline. */ |
bbb268c3 JW |
1193 | if (elfNN_ia64_install_value (contents + roff, offset, r_type) |
1194 | != bfd_reloc_ok) | |
2c4c2bc0 | 1195 | goto error_return; |
748abff6 | 1196 | |
2c4c2bc0 RH |
1197 | changed_contents = TRUE; |
1198 | changed_relocs = TRUE; | |
748abff6 RH |
1199 | } |
1200 | else | |
1201 | { | |
2c4c2bc0 RH |
1202 | /* Fetch the gp. */ |
1203 | if (gp == 0) | |
1204 | { | |
1205 | bfd *obfd = sec->output_section->owner; | |
1206 | gp = _bfd_get_gp_value (obfd); | |
1207 | if (gp == 0) | |
1208 | { | |
1209 | if (!elfNN_ia64_choose_gp (obfd, link_info)) | |
1210 | goto error_return; | |
1211 | gp = _bfd_get_gp_value (obfd); | |
1212 | } | |
1213 | } | |
748abff6 | 1214 | |
2c4c2bc0 | 1215 | /* If the data is out of range, do nothing. */ |
484a4f9c RH |
1216 | if ((bfd_signed_vma) (symaddr - gp) >= 0x200000 |
1217 | ||(bfd_signed_vma) (symaddr - gp) < -0x200000) | |
2c4c2bc0 | 1218 | continue; |
748abff6 | 1219 | |
a231ddc0 | 1220 | if (r_type == R_IA64_GPREL22) |
affb4bf3 | 1221 | elfNN_ia64_update_short_info (tsec->output_section, |
a231ddc0 L |
1222 | tsec->output_offset + toff, |
1223 | ia64_info); | |
1224 | else if (r_type == R_IA64_LTOFF22X) | |
2c4c2bc0 RH |
1225 | { |
1226 | irel->r_info = ELFNN_R_INFO (ELFNN_R_SYM (irel->r_info), | |
1227 | R_IA64_GPREL22); | |
1228 | changed_relocs = TRUE; | |
1229 | if (dyn_i->want_gotx) | |
1230 | { | |
1231 | dyn_i->want_gotx = 0; | |
1232 | changed_got |= !dyn_i->want_got; | |
1233 | } | |
a231ddc0 | 1234 | |
affb4bf3 | 1235 | elfNN_ia64_update_short_info (tsec->output_section, |
a231ddc0 L |
1236 | tsec->output_offset + toff, |
1237 | ia64_info); | |
2c4c2bc0 RH |
1238 | } |
1239 | else | |
1240 | { | |
bbb268c3 | 1241 | elfNN_ia64_relax_ldxmov (contents, roff); |
2c4c2bc0 RH |
1242 | irel->r_info = ELFNN_R_INFO (0, R_IA64_NONE); |
1243 | changed_contents = TRUE; | |
1244 | changed_relocs = TRUE; | |
1245 | } | |
1246 | } | |
748abff6 RH |
1247 | } |
1248 | ||
2c4c2bc0 RH |
1249 | /* ??? If we created fixups, this may push the code segment large |
1250 | enough that the data segment moves, which will change the GP. | |
1251 | Reset the GP so that we re-calculate next round. We need to | |
1252 | do this at the _beginning_ of the next round; now will not do. */ | |
f12123c0 | 1253 | |
748abff6 RH |
1254 | /* Clean up and go home. */ |
1255 | while (fixups) | |
1256 | { | |
1257 | struct one_fixup *f = fixups; | |
1258 | fixups = fixups->next; | |
1259 | free (f); | |
1260 | } | |
1261 | ||
6cdc0ccc AM |
1262 | if (isymbuf != NULL |
1263 | && symtab_hdr->contents != (unsigned char *) isymbuf) | |
748abff6 RH |
1264 | { |
1265 | if (! link_info->keep_memory) | |
6cdc0ccc | 1266 | free (isymbuf); |
748abff6 RH |
1267 | else |
1268 | { | |
6cdc0ccc AM |
1269 | /* Cache the symbols for elf_link_input_bfd. */ |
1270 | symtab_hdr->contents = (unsigned char *) isymbuf; | |
748abff6 RH |
1271 | } |
1272 | } | |
1273 | ||
6cdc0ccc AM |
1274 | if (contents != NULL |
1275 | && elf_section_data (sec)->this_hdr.contents != contents) | |
748abff6 | 1276 | { |
6cdc0ccc AM |
1277 | if (!changed_contents && !link_info->keep_memory) |
1278 | free (contents); | |
748abff6 RH |
1279 | else |
1280 | { | |
6cdc0ccc AM |
1281 | /* Cache the section contents for elf_link_input_bfd. */ |
1282 | elf_section_data (sec)->this_hdr.contents = contents; | |
748abff6 RH |
1283 | } |
1284 | } | |
1285 | ||
6cdc0ccc AM |
1286 | if (elf_section_data (sec)->relocs != internal_relocs) |
1287 | { | |
1288 | if (!changed_relocs) | |
1289 | free (internal_relocs); | |
1290 | else | |
1291 | elf_section_data (sec)->relocs = internal_relocs; | |
1292 | } | |
1293 | ||
2c4c2bc0 RH |
1294 | if (changed_got) |
1295 | { | |
1296 | struct elfNN_ia64_allocate_data data; | |
1297 | data.info = link_info; | |
1298 | data.ofs = 0; | |
9d73f260 | 1299 | ia64_info->self_dtpmod_offset = (bfd_vma) -1; |
2c4c2bc0 RH |
1300 | |
1301 | elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_global_data_got, &data); | |
1302 | elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_global_fptr_got, &data); | |
1303 | elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_local_got, &data); | |
cc3bd654 | 1304 | ia64_info->root.sgot->size = data.ofs; |
2c4c2bc0 | 1305 | |
90b263f3 | 1306 | if (ia64_info->root.dynamic_sections_created |
cc3bd654 | 1307 | && ia64_info->root.srelgot != NULL) |
4a78a1f4 AS |
1308 | { |
1309 | /* Resize .rela.got. */ | |
cc3bd654 | 1310 | ia64_info->root.srelgot->size = 0; |
4a78a1f4 AS |
1311 | if (link_info->shared |
1312 | && ia64_info->self_dtpmod_offset != (bfd_vma) -1) | |
cc3bd654 | 1313 | ia64_info->root.srelgot->size += sizeof (ElfNN_External_Rela); |
4a78a1f4 AS |
1314 | data.only_got = TRUE; |
1315 | elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_dynrel_entries, | |
1316 | &data); | |
1317 | } | |
2c4c2bc0 RH |
1318 | } |
1319 | ||
fbbc3759 L |
1320 | if (link_info->relax_pass == 0) |
1321 | { | |
1322 | /* Pass 0 is only needed to relax br. */ | |
1323 | sec->skip_relax_pass_0 = skip_relax_pass_0; | |
1324 | sec->skip_relax_pass_1 = skip_relax_pass_1; | |
1325 | } | |
c7996ad6 | 1326 | |
748abff6 | 1327 | *again = changed_contents || changed_relocs; |
b34976b6 | 1328 | return TRUE; |
748abff6 RH |
1329 | |
1330 | error_return: | |
6cdc0ccc AM |
1331 | if (isymbuf != NULL && (unsigned char *) isymbuf != symtab_hdr->contents) |
1332 | free (isymbuf); | |
1333 | if (contents != NULL | |
1334 | && elf_section_data (sec)->this_hdr.contents != contents) | |
1335 | free (contents); | |
1336 | if (internal_relocs != NULL | |
1337 | && elf_section_data (sec)->relocs != internal_relocs) | |
1338 | free (internal_relocs); | |
b34976b6 | 1339 | return FALSE; |
748abff6 | 1340 | } |
fbbc3759 L |
1341 | #undef skip_relax_pass_0 |
1342 | #undef skip_relax_pass_1 | |
2c4c2bc0 RH |
1343 | |
1344 | static void | |
eae50df2 | 1345 | elfNN_ia64_relax_ldxmov (bfd_byte *contents, bfd_vma off) |
2c4c2bc0 RH |
1346 | { |
1347 | int shift, r1, r3; | |
1348 | bfd_vma dword, insn; | |
1349 | ||
1350 | switch ((int)off & 0x3) | |
1351 | { | |
1352 | case 0: shift = 5; break; | |
1353 | case 1: shift = 14; off += 3; break; | |
1354 | case 2: shift = 23; off += 6; break; | |
60d8b524 | 1355 | default: |
2c4c2bc0 RH |
1356 | abort (); |
1357 | } | |
1358 | ||
bbb268c3 | 1359 | dword = bfd_getl64 (contents + off); |
2c4c2bc0 RH |
1360 | insn = (dword >> shift) & 0x1ffffffffffLL; |
1361 | ||
1362 | r1 = (insn >> 6) & 127; | |
1363 | r3 = (insn >> 20) & 127; | |
1364 | if (r1 == r3) | |
1365 | insn = 0x8000000; /* nop */ | |
1366 | else | |
1367 | insn = (insn & 0x7f01fff) | 0x10800000000LL; /* (qp) mov r1 = r3 */ | |
1368 | ||
1369 | dword &= ~(0x1ffffffffffLL << shift); | |
1370 | dword |= (insn << shift); | |
bbb268c3 | 1371 | bfd_putl64 (dword, contents + off); |
2c4c2bc0 | 1372 | } |
800eeca4 | 1373 | \f |
b34976b6 | 1374 | /* Return TRUE if NAME is an unwind table section name. */ |
81545d45 | 1375 | |
b34976b6 | 1376 | static inline bfd_boolean |
0112cd26 | 1377 | is_unwind_section_name (bfd *abfd, const char *name) |
81545d45 | 1378 | { |
d9cf1b54 AM |
1379 | if (elfNN_ia64_hpux_vec (abfd->xvec) |
1380 | && !strcmp (name, ELF_STRING_ia64_unwind_hdr)) | |
b34976b6 | 1381 | return FALSE; |
d9cf1b54 | 1382 | |
0112cd26 NC |
1383 | return ((CONST_STRNEQ (name, ELF_STRING_ia64_unwind) |
1384 | && ! CONST_STRNEQ (name, ELF_STRING_ia64_unwind_info)) | |
1385 | || CONST_STRNEQ (name, ELF_STRING_ia64_unwind_once)); | |
81545d45 RH |
1386 | } |
1387 | ||
800eeca4 | 1388 | /* Handle an IA-64 specific section when reading an object file. This |
6dc132d9 L |
1389 | is called when bfd_section_from_shdr finds a section with an unknown |
1390 | type. */ | |
800eeca4 | 1391 | |
b34976b6 | 1392 | static bfd_boolean |
6dc132d9 L |
1393 | elfNN_ia64_section_from_shdr (bfd *abfd, |
1394 | Elf_Internal_Shdr *hdr, | |
1395 | const char *name, | |
1396 | int shindex) | |
800eeca4 JW |
1397 | { |
1398 | asection *newsect; | |
1399 | ||
1400 | /* There ought to be a place to keep ELF backend specific flags, but | |
1401 | at the moment there isn't one. We just keep track of the | |
1402 | sections by their name, instead. Fortunately, the ABI gives | |
1403 | suggested names for all the MIPS specific sections, so we will | |
1404 | probably get away with this. */ | |
1405 | switch (hdr->sh_type) | |
1406 | { | |
1407 | case SHT_IA_64_UNWIND: | |
d9cf1b54 | 1408 | case SHT_IA_64_HP_OPT_ANOT: |
800eeca4 JW |
1409 | break; |
1410 | ||
1411 | case SHT_IA_64_EXT: | |
1412 | if (strcmp (name, ELF_STRING_ia64_archext) != 0) | |
b34976b6 | 1413 | return FALSE; |
800eeca4 JW |
1414 | break; |
1415 | ||
1416 | default: | |
b34976b6 | 1417 | return FALSE; |
800eeca4 JW |
1418 | } |
1419 | ||
6dc132d9 | 1420 | if (! _bfd_elf_make_section_from_shdr (abfd, hdr, name, shindex)) |
b34976b6 | 1421 | return FALSE; |
800eeca4 JW |
1422 | newsect = hdr->bfd_section; |
1423 | ||
b34976b6 | 1424 | return TRUE; |
fa152c49 JW |
1425 | } |
1426 | ||
1427 | /* Convert IA-64 specific section flags to bfd internal section flags. */ | |
1428 | ||
1429 | /* ??? There is no bfd internal flag equivalent to the SHF_IA_64_NORECOV | |
1430 | flag. */ | |
1431 | ||
b34976b6 | 1432 | static bfd_boolean |
eae50df2 L |
1433 | elfNN_ia64_section_flags (flagword *flags, |
1434 | const Elf_Internal_Shdr *hdr) | |
fa152c49 | 1435 | { |
800eeca4 | 1436 | if (hdr->sh_flags & SHF_IA_64_SHORT) |
fa152c49 | 1437 | *flags |= SEC_SMALL_DATA; |
800eeca4 | 1438 | |
b34976b6 | 1439 | return TRUE; |
800eeca4 JW |
1440 | } |
1441 | ||
1442 | /* Set the correct type for an IA-64 ELF section. We do this by the | |
1443 | section name, which is a hack, but ought to work. */ | |
1444 | ||
b34976b6 | 1445 | static bfd_boolean |
eae50df2 L |
1446 | elfNN_ia64_fake_sections (bfd *abfd, Elf_Internal_Shdr *hdr, |
1447 | asection *sec) | |
800eeca4 JW |
1448 | { |
1449 | register const char *name; | |
1450 | ||
1451 | name = bfd_get_section_name (abfd, sec); | |
1452 | ||
d9cf1b54 | 1453 | if (is_unwind_section_name (abfd, name)) |
81545d45 RH |
1454 | { |
1455 | /* We don't have the sections numbered at this point, so sh_info | |
1456 | is set later, in elfNN_ia64_final_write_processing. */ | |
1457 | hdr->sh_type = SHT_IA_64_UNWIND; | |
1458 | hdr->sh_flags |= SHF_LINK_ORDER; | |
1459 | } | |
800eeca4 JW |
1460 | else if (strcmp (name, ELF_STRING_ia64_archext) == 0) |
1461 | hdr->sh_type = SHT_IA_64_EXT; | |
d9cf1b54 AM |
1462 | else if (strcmp (name, ".HP.opt_annot") == 0) |
1463 | hdr->sh_type = SHT_IA_64_HP_OPT_ANOT; | |
800eeca4 | 1464 | else if (strcmp (name, ".reloc") == 0) |
5e8d7549 NC |
1465 | /* This is an ugly, but unfortunately necessary hack that is |
1466 | needed when producing EFI binaries on IA-64. It tells | |
1467 | elf.c:elf_fake_sections() not to consider ".reloc" as a section | |
1468 | containing ELF relocation info. We need this hack in order to | |
1469 | be able to generate ELF binaries that can be translated into | |
1470 | EFI applications (which are essentially COFF objects). Those | |
1471 | files contain a COFF ".reloc" section inside an ELFNN object, | |
1472 | which would normally cause BFD to segfault because it would | |
1473 | attempt to interpret this section as containing relocation | |
1474 | entries for section "oc". With this hack enabled, ".reloc" | |
1475 | will be treated as a normal data section, which will avoid the | |
1476 | segfault. However, you won't be able to create an ELFNN binary | |
1477 | with a section named "oc" that needs relocations, but that's | |
1478 | the kind of ugly side-effects you get when detecting section | |
1479 | types based on their names... In practice, this limitation is | |
1480 | unlikely to bite. */ | |
800eeca4 JW |
1481 | hdr->sh_type = SHT_PROGBITS; |
1482 | ||
1483 | if (sec->flags & SEC_SMALL_DATA) | |
1484 | hdr->sh_flags |= SHF_IA_64_SHORT; | |
1485 | ||
75eb734c SE |
1486 | /* Some HP linkers look for the SHF_IA_64_HP_TLS flag instead of SHF_TLS. */ |
1487 | ||
1488 | if (elfNN_ia64_hpux_vec (abfd->xvec) && (sec->flags & SHF_TLS)) | |
1489 | hdr->sh_flags |= SHF_IA_64_HP_TLS; | |
1490 | ||
b34976b6 | 1491 | return TRUE; |
800eeca4 JW |
1492 | } |
1493 | ||
81545d45 RH |
1494 | /* The final processing done just before writing out an IA-64 ELF |
1495 | object file. */ | |
1496 | ||
1497 | static void | |
eae50df2 L |
1498 | elfNN_ia64_final_write_processing (bfd *abfd, |
1499 | bfd_boolean linker ATTRIBUTE_UNUSED) | |
81545d45 RH |
1500 | { |
1501 | Elf_Internal_Shdr *hdr; | |
38ce5b11 | 1502 | asection *s; |
81545d45 RH |
1503 | |
1504 | for (s = abfd->sections; s; s = s->next) | |
1505 | { | |
1506 | hdr = &elf_section_data (s)->this_hdr; | |
1507 | switch (hdr->sh_type) | |
1508 | { | |
1509 | case SHT_IA_64_UNWIND: | |
38ce5b11 L |
1510 | /* The IA-64 processor-specific ABI requires setting sh_link |
1511 | to the unwind section, whereas HP-UX requires sh_info to | |
1512 | do so. For maximum compatibility, we'll set both for | |
1513 | now... */ | |
1514 | hdr->sh_info = hdr->sh_link; | |
81545d45 RH |
1515 | break; |
1516 | } | |
1517 | } | |
9d46020e AM |
1518 | |
1519 | if (! elf_flags_init (abfd)) | |
1520 | { | |
1521 | unsigned long flags = 0; | |
1522 | ||
1523 | if (abfd->xvec->byteorder == BFD_ENDIAN_BIG) | |
1524 | flags |= EF_IA_64_BE; | |
1525 | if (bfd_get_mach (abfd) == bfd_mach_ia64_elf64) | |
1526 | flags |= EF_IA_64_ABI64; | |
1527 | ||
1528 | elf_elfheader(abfd)->e_flags = flags; | |
b34976b6 | 1529 | elf_flags_init (abfd) = TRUE; |
9d46020e | 1530 | } |
81545d45 RH |
1531 | } |
1532 | ||
800eeca4 JW |
1533 | /* Hook called by the linker routine which adds symbols from an object |
1534 | file. We use it to put .comm items in .sbss, and not .bss. */ | |
1535 | ||
b34976b6 | 1536 | static bfd_boolean |
a30e5f5f AM |
1537 | elfNN_ia64_add_symbol_hook (bfd *abfd, |
1538 | struct bfd_link_info *info, | |
eae50df2 | 1539 | Elf_Internal_Sym *sym, |
a30e5f5f AM |
1540 | const char **namep ATTRIBUTE_UNUSED, |
1541 | flagword *flagsp ATTRIBUTE_UNUSED, | |
1542 | asection **secp, | |
1543 | bfd_vma *valp) | |
800eeca4 JW |
1544 | { |
1545 | if (sym->st_shndx == SHN_COMMON | |
1049f94e | 1546 | && !info->relocatable |
c0846b23 | 1547 | && sym->st_size <= elf_gp_size (abfd)) |
800eeca4 JW |
1548 | { |
1549 | /* Common symbols less than or equal to -G nn bytes are | |
1550 | automatically put into .sbss. */ | |
1551 | ||
1552 | asection *scomm = bfd_get_section_by_name (abfd, ".scommon"); | |
1553 | ||
1554 | if (scomm == NULL) | |
1555 | { | |
3496cb2a L |
1556 | scomm = bfd_make_section_with_flags (abfd, ".scommon", |
1557 | (SEC_ALLOC | |
1558 | | SEC_IS_COMMON | |
1559 | | SEC_LINKER_CREATED)); | |
1560 | if (scomm == NULL) | |
b34976b6 | 1561 | return FALSE; |
800eeca4 JW |
1562 | } |
1563 | ||
1564 | *secp = scomm; | |
1565 | *valp = sym->st_size; | |
1566 | } | |
1567 | ||
b34976b6 | 1568 | return TRUE; |
800eeca4 JW |
1569 | } |
1570 | ||
1571 | /* Return the number of additional phdrs we will need. */ | |
1572 | ||
1573 | static int | |
a6b96beb AM |
1574 | elfNN_ia64_additional_program_headers (bfd *abfd, |
1575 | struct bfd_link_info *info ATTRIBUTE_UNUSED) | |
800eeca4 JW |
1576 | { |
1577 | asection *s; | |
1578 | int ret = 0; | |
1579 | ||
1580 | /* See if we need a PT_IA_64_ARCHEXT segment. */ | |
1581 | s = bfd_get_section_by_name (abfd, ELF_STRING_ia64_archext); | |
1582 | if (s && (s->flags & SEC_LOAD)) | |
1583 | ++ret; | |
1584 | ||
81545d45 RH |
1585 | /* Count how many PT_IA_64_UNWIND segments we need. */ |
1586 | for (s = abfd->sections; s; s = s->next) | |
d9cf1b54 | 1587 | if (is_unwind_section_name (abfd, s->name) && (s->flags & SEC_LOAD)) |
81545d45 | 1588 | ++ret; |
800eeca4 JW |
1589 | |
1590 | return ret; | |
1591 | } | |
1592 | ||
b34976b6 | 1593 | static bfd_boolean |
8ded5a0f AM |
1594 | elfNN_ia64_modify_segment_map (bfd *abfd, |
1595 | struct bfd_link_info *info ATTRIBUTE_UNUSED) | |
800eeca4 JW |
1596 | { |
1597 | struct elf_segment_map *m, **pm; | |
81545d45 | 1598 | Elf_Internal_Shdr *hdr; |
800eeca4 JW |
1599 | asection *s; |
1600 | ||
1601 | /* If we need a PT_IA_64_ARCHEXT segment, it must come before | |
1602 | all PT_LOAD segments. */ | |
1603 | s = bfd_get_section_by_name (abfd, ELF_STRING_ia64_archext); | |
1604 | if (s && (s->flags & SEC_LOAD)) | |
1605 | { | |
1606 | for (m = elf_tdata (abfd)->segment_map; m != NULL; m = m->next) | |
1607 | if (m->p_type == PT_IA_64_ARCHEXT) | |
1608 | break; | |
1609 | if (m == NULL) | |
1610 | { | |
dc810e39 AM |
1611 | m = ((struct elf_segment_map *) |
1612 | bfd_zalloc (abfd, (bfd_size_type) sizeof *m)); | |
800eeca4 | 1613 | if (m == NULL) |
b34976b6 | 1614 | return FALSE; |
800eeca4 JW |
1615 | |
1616 | m->p_type = PT_IA_64_ARCHEXT; | |
1617 | m->count = 1; | |
1618 | m->sections[0] = s; | |
1619 | ||
1620 | /* We want to put it after the PHDR and INTERP segments. */ | |
1621 | pm = &elf_tdata (abfd)->segment_map; | |
1622 | while (*pm != NULL | |
1623 | && ((*pm)->p_type == PT_PHDR | |
1624 | || (*pm)->p_type == PT_INTERP)) | |
1625 | pm = &(*pm)->next; | |
1626 | ||
1627 | m->next = *pm; | |
1628 | *pm = m; | |
1629 | } | |
1630 | } | |
1631 | ||
81545d45 RH |
1632 | /* Install PT_IA_64_UNWIND segments, if needed. */ |
1633 | for (s = abfd->sections; s; s = s->next) | |
800eeca4 | 1634 | { |
81545d45 RH |
1635 | hdr = &elf_section_data (s)->this_hdr; |
1636 | if (hdr->sh_type != SHT_IA_64_UNWIND) | |
1637 | continue; | |
1638 | ||
1639 | if (s && (s->flags & SEC_LOAD)) | |
800eeca4 | 1640 | { |
81545d45 | 1641 | for (m = elf_tdata (abfd)->segment_map; m != NULL; m = m->next) |
d9cf1b54 AM |
1642 | if (m->p_type == PT_IA_64_UNWIND) |
1643 | { | |
40c97fc6 AM |
1644 | int i; |
1645 | ||
d9cf1b54 AM |
1646 | /* Look through all sections in the unwind segment |
1647 | for a match since there may be multiple sections | |
1648 | to a segment. */ | |
40c97fc6 AM |
1649 | for (i = m->count - 1; i >= 0; --i) |
1650 | if (m->sections[i] == s) | |
1651 | break; | |
d9cf1b54 | 1652 | |
40c97fc6 | 1653 | if (i >= 0) |
d9cf1b54 AM |
1654 | break; |
1655 | } | |
81545d45 | 1656 | |
800eeca4 | 1657 | if (m == NULL) |
81545d45 | 1658 | { |
dc810e39 AM |
1659 | m = ((struct elf_segment_map *) |
1660 | bfd_zalloc (abfd, (bfd_size_type) sizeof *m)); | |
81545d45 | 1661 | if (m == NULL) |
b34976b6 | 1662 | return FALSE; |
800eeca4 | 1663 | |
81545d45 RH |
1664 | m->p_type = PT_IA_64_UNWIND; |
1665 | m->count = 1; | |
1666 | m->sections[0] = s; | |
1667 | m->next = NULL; | |
800eeca4 | 1668 | |
81545d45 RH |
1669 | /* We want to put it last. */ |
1670 | pm = &elf_tdata (abfd)->segment_map; | |
1671 | while (*pm != NULL) | |
1672 | pm = &(*pm)->next; | |
1673 | *pm = m; | |
1674 | } | |
800eeca4 JW |
1675 | } |
1676 | } | |
1677 | ||
e36284ab AM |
1678 | return TRUE; |
1679 | } | |
1680 | ||
1681 | /* Turn on PF_IA_64_NORECOV if needed. This involves traversing all of | |
1682 | the input sections for each output section in the segment and testing | |
1683 | for SHF_IA_64_NORECOV on each. */ | |
1684 | ||
1685 | static bfd_boolean | |
1686 | elfNN_ia64_modify_program_headers (bfd *abfd, | |
1687 | struct bfd_link_info *info ATTRIBUTE_UNUSED) | |
1688 | { | |
1689 | struct elf_obj_tdata *tdata = elf_tdata (abfd); | |
1690 | struct elf_segment_map *m; | |
1691 | Elf_Internal_Phdr *p; | |
1692 | ||
1693 | for (p = tdata->phdr, m = tdata->segment_map; m != NULL; m = m->next, p++) | |
800eeca4 JW |
1694 | if (m->p_type == PT_LOAD) |
1695 | { | |
1696 | int i; | |
1697 | for (i = m->count - 1; i >= 0; --i) | |
1698 | { | |
8423293d | 1699 | struct bfd_link_order *order = m->sections[i]->map_head.link_order; |
e36284ab AM |
1700 | |
1701 | while (order != NULL) | |
800eeca4 JW |
1702 | { |
1703 | if (order->type == bfd_indirect_link_order) | |
1704 | { | |
1705 | asection *is = order->u.indirect.section; | |
1706 | bfd_vma flags = elf_section_data(is)->this_hdr.sh_flags; | |
1707 | if (flags & SHF_IA_64_NORECOV) | |
1708 | { | |
e36284ab | 1709 | p->p_flags |= PF_IA_64_NORECOV; |
800eeca4 JW |
1710 | goto found; |
1711 | } | |
1712 | } | |
1713 | order = order->next; | |
1714 | } | |
1715 | } | |
1716 | found:; | |
1717 | } | |
1718 | ||
b34976b6 | 1719 | return TRUE; |
800eeca4 JW |
1720 | } |
1721 | ||
800eeca4 JW |
1722 | /* According to the Tahoe assembler spec, all labels starting with a |
1723 | '.' are local. */ | |
1724 | ||
b34976b6 | 1725 | static bfd_boolean |
eae50df2 L |
1726 | elfNN_ia64_is_local_label_name (bfd *abfd ATTRIBUTE_UNUSED, |
1727 | const char *name) | |
800eeca4 JW |
1728 | { |
1729 | return name[0] == '.'; | |
1730 | } | |
1731 | ||
1732 | /* Should we do dynamic things to this symbol? */ | |
1733 | ||
b34976b6 | 1734 | static bfd_boolean |
eae50df2 L |
1735 | elfNN_ia64_dynamic_symbol_p (struct elf_link_hash_entry *h, |
1736 | struct bfd_link_info *info, int r_type) | |
800eeca4 | 1737 | { |
986a241f RH |
1738 | bfd_boolean ignore_protected |
1739 | = ((r_type & 0xf8) == 0x40 /* FPTR relocs */ | |
1740 | || (r_type & 0xf8) == 0x50); /* LTOFF_FPTR relocs */ | |
800eeca4 | 1741 | |
986a241f | 1742 | return _bfd_elf_dynamic_symbol_p (h, info, ignore_protected); |
800eeca4 JW |
1743 | } |
1744 | \f | |
800eeca4 | 1745 | static struct bfd_hash_entry* |
eae50df2 L |
1746 | elfNN_ia64_new_elf_hash_entry (struct bfd_hash_entry *entry, |
1747 | struct bfd_hash_table *table, | |
1748 | const char *string) | |
800eeca4 | 1749 | { |
bbe66d08 JW |
1750 | struct elfNN_ia64_link_hash_entry *ret; |
1751 | ret = (struct elfNN_ia64_link_hash_entry *) entry; | |
800eeca4 JW |
1752 | |
1753 | /* Allocate the structure if it has not already been allocated by a | |
1754 | subclass. */ | |
1755 | if (!ret) | |
1756 | ret = bfd_hash_allocate (table, sizeof (*ret)); | |
1757 | ||
1758 | if (!ret) | |
1759 | return 0; | |
1760 | ||
800eeca4 | 1761 | /* Call the allocation method of the superclass. */ |
bbe66d08 | 1762 | ret = ((struct elfNN_ia64_link_hash_entry *) |
800eeca4 JW |
1763 | _bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret, |
1764 | table, string)); | |
1765 | ||
4f40114d | 1766 | ret->info = NULL; |
396a682d L |
1767 | ret->count = 0; |
1768 | ret->sorted_count = 0; | |
1769 | ret->size = 0; | |
800eeca4 JW |
1770 | return (struct bfd_hash_entry *) ret; |
1771 | } | |
1772 | ||
1773 | static void | |
eae50df2 L |
1774 | elfNN_ia64_hash_copy_indirect (struct bfd_link_info *info, |
1775 | struct elf_link_hash_entry *xdir, | |
1776 | struct elf_link_hash_entry *xind) | |
800eeca4 | 1777 | { |
bbe66d08 | 1778 | struct elfNN_ia64_link_hash_entry *dir, *ind; |
800eeca4 | 1779 | |
57c7194e AM |
1780 | dir = (struct elfNN_ia64_link_hash_entry *) xdir; |
1781 | ind = (struct elfNN_ia64_link_hash_entry *) xind; | |
800eeca4 | 1782 | |
3e932841 | 1783 | /* Copy down any references that we may have already seen to the |
800eeca4 JW |
1784 | symbol which just became indirect. */ |
1785 | ||
f5385ebf AM |
1786 | dir->root.ref_dynamic |= ind->root.ref_dynamic; |
1787 | dir->root.ref_regular |= ind->root.ref_regular; | |
1788 | dir->root.ref_regular_nonweak |= ind->root.ref_regular_nonweak; | |
1789 | dir->root.needs_plt |= ind->root.needs_plt; | |
800eeca4 | 1790 | |
1e370bd2 | 1791 | if (ind->root.root.type != bfd_link_hash_indirect) |
0a991dfe AM |
1792 | return; |
1793 | ||
800eeca4 JW |
1794 | /* Copy over the got and plt data. This would have been done |
1795 | by check_relocs. */ | |
1796 | ||
fcfa13d2 | 1797 | if (ind->info != NULL) |
800eeca4 | 1798 | { |
bbe66d08 | 1799 | struct elfNN_ia64_dyn_sym_info *dyn_i; |
396a682d L |
1800 | unsigned int count; |
1801 | ||
1802 | if (dir->info) | |
1803 | free (dir->info); | |
1804 | ||
1805 | dir->info = ind->info; | |
1806 | dir->count = ind->count; | |
1807 | dir->sorted_count = ind->sorted_count; | |
1808 | dir->size = ind->size; | |
800eeca4 | 1809 | |
800eeca4 | 1810 | ind->info = NULL; |
396a682d L |
1811 | ind->count = 0; |
1812 | ind->sorted_count = 0; | |
1813 | ind->size = 0; | |
800eeca4 JW |
1814 | |
1815 | /* Fix up the dyn_sym_info pointers to the global symbol. */ | |
396a682d L |
1816 | for (count = dir->count, dyn_i = dir->info; |
1817 | count != 0; | |
1818 | count--, dyn_i++) | |
800eeca4 JW |
1819 | dyn_i->h = &dir->root; |
1820 | } | |
800eeca4 JW |
1821 | |
1822 | /* Copy over the dynindx. */ | |
1823 | ||
fcfa13d2 | 1824 | if (ind->root.dynindx != -1) |
800eeca4 | 1825 | { |
fcfa13d2 AM |
1826 | if (dir->root.dynindx != -1) |
1827 | _bfd_elf_strtab_delref (elf_hash_table (info)->dynstr, | |
1828 | dir->root.dynstr_index); | |
800eeca4 JW |
1829 | dir->root.dynindx = ind->root.dynindx; |
1830 | dir->root.dynstr_index = ind->root.dynstr_index; | |
1831 | ind->root.dynindx = -1; | |
1832 | ind->root.dynstr_index = 0; | |
1833 | } | |
800eeca4 JW |
1834 | } |
1835 | ||
1836 | static void | |
eae50df2 L |
1837 | elfNN_ia64_hash_hide_symbol (struct bfd_link_info *info, |
1838 | struct elf_link_hash_entry *xh, | |
1839 | bfd_boolean force_local) | |
800eeca4 | 1840 | { |
bbe66d08 JW |
1841 | struct elfNN_ia64_link_hash_entry *h; |
1842 | struct elfNN_ia64_dyn_sym_info *dyn_i; | |
396a682d | 1843 | unsigned int count; |
800eeca4 | 1844 | |
bbe66d08 | 1845 | h = (struct elfNN_ia64_link_hash_entry *)xh; |
800eeca4 | 1846 | |
e5094212 | 1847 | _bfd_elf_link_hash_hide_symbol (info, &h->root, force_local); |
800eeca4 | 1848 | |
396a682d L |
1849 | for (count = h->count, dyn_i = h->info; |
1850 | count != 0; | |
1851 | count--, dyn_i++) | |
6a32c710 L |
1852 | { |
1853 | dyn_i->want_plt2 = 0; | |
1854 | dyn_i->want_plt = 0; | |
1855 | } | |
800eeca4 JW |
1856 | } |
1857 | ||
0aa92b58 JJ |
1858 | /* Compute a hash of a local hash entry. */ |
1859 | ||
1860 | static hashval_t | |
eae50df2 | 1861 | elfNN_ia64_local_htab_hash (const void *ptr) |
0aa92b58 JJ |
1862 | { |
1863 | struct elfNN_ia64_local_hash_entry *entry | |
1864 | = (struct elfNN_ia64_local_hash_entry *) ptr; | |
1865 | ||
d2149d72 | 1866 | return ELF_LOCAL_SYMBOL_HASH (entry->id, entry->r_sym); |
0aa92b58 JJ |
1867 | } |
1868 | ||
1869 | /* Compare local hash entries. */ | |
1870 | ||
1871 | static int | |
eae50df2 | 1872 | elfNN_ia64_local_htab_eq (const void *ptr1, const void *ptr2) |
0aa92b58 JJ |
1873 | { |
1874 | struct elfNN_ia64_local_hash_entry *entry1 | |
1875 | = (struct elfNN_ia64_local_hash_entry *) ptr1; | |
1876 | struct elfNN_ia64_local_hash_entry *entry2 | |
1877 | = (struct elfNN_ia64_local_hash_entry *) ptr2; | |
1878 | ||
1879 | return entry1->id == entry2->id && entry1->r_sym == entry2->r_sym; | |
1880 | } | |
1881 | ||
800eeca4 JW |
1882 | /* Create the derived linker hash table. The IA-64 ELF port uses this |
1883 | derived hash table to keep information specific to the IA-64 ElF | |
1884 | linker (without using static variables). */ | |
1885 | ||
1886 | static struct bfd_link_hash_table* | |
eae50df2 | 1887 | elfNN_ia64_hash_table_create (bfd *abfd) |
800eeca4 | 1888 | { |
bbe66d08 | 1889 | struct elfNN_ia64_link_hash_table *ret; |
800eeca4 | 1890 | |
6e84a906 | 1891 | ret = bfd_zmalloc ((bfd_size_type) sizeof (*ret)); |
800eeca4 JW |
1892 | if (!ret) |
1893 | return 0; | |
6e84a906 | 1894 | |
800eeca4 | 1895 | if (!_bfd_elf_link_hash_table_init (&ret->root, abfd, |
66eb6687 AM |
1896 | elfNN_ia64_new_elf_hash_entry, |
1897 | sizeof (struct elfNN_ia64_link_hash_entry))) | |
800eeca4 | 1898 | { |
6e84a906 | 1899 | free (ret); |
800eeca4 JW |
1900 | return 0; |
1901 | } | |
1902 | ||
0aa92b58 JJ |
1903 | ret->loc_hash_table = htab_try_create (1024, elfNN_ia64_local_htab_hash, |
1904 | elfNN_ia64_local_htab_eq, NULL); | |
1905 | ret->loc_hash_memory = objalloc_create (); | |
1906 | if (!ret->loc_hash_table || !ret->loc_hash_memory) | |
6e84a906 DJ |
1907 | { |
1908 | free (ret); | |
1909 | return 0; | |
1910 | } | |
1911 | ||
800eeca4 JW |
1912 | return &ret->root.root; |
1913 | } | |
1914 | ||
396a682d L |
1915 | /* Free the global elfNN_ia64_dyn_sym_info array. */ |
1916 | ||
1917 | static bfd_boolean | |
1918 | elfNN_ia64_global_dyn_info_free (void **xentry, | |
1919 | PTR unused ATTRIBUTE_UNUSED) | |
1920 | { | |
1921 | struct elfNN_ia64_link_hash_entry *entry | |
1922 | = (struct elfNN_ia64_link_hash_entry *) xentry; | |
1923 | ||
1924 | if (entry->root.root.type == bfd_link_hash_warning) | |
1925 | entry = (struct elfNN_ia64_link_hash_entry *) entry->root.root.u.i.link; | |
1926 | ||
1927 | if (entry->info) | |
1928 | { | |
1929 | free (entry->info); | |
1930 | entry->info = NULL; | |
1931 | entry->count = 0; | |
1932 | entry->sorted_count = 0; | |
1933 | entry->size = 0; | |
1934 | } | |
1935 | ||
1936 | return TRUE; | |
1937 | } | |
1938 | ||
1939 | /* Free the local elfNN_ia64_dyn_sym_info array. */ | |
1940 | ||
1941 | static bfd_boolean | |
1942 | elfNN_ia64_local_dyn_info_free (void **slot, | |
1943 | PTR unused ATTRIBUTE_UNUSED) | |
1944 | { | |
1945 | struct elfNN_ia64_local_hash_entry *entry | |
1946 | = (struct elfNN_ia64_local_hash_entry *) *slot; | |
1947 | ||
1948 | if (entry->info) | |
1949 | { | |
1950 | free (entry->info); | |
1951 | entry->info = NULL; | |
1952 | entry->count = 0; | |
1953 | entry->sorted_count = 0; | |
1954 | entry->size = 0; | |
1955 | } | |
1956 | ||
1957 | return TRUE; | |
1958 | } | |
1959 | ||
0aa92b58 | 1960 | /* Destroy IA-64 linker hash table. */ |
800eeca4 | 1961 | |
0aa92b58 | 1962 | static void |
eae50df2 | 1963 | elfNN_ia64_hash_table_free (struct bfd_link_hash_table *hash) |
800eeca4 | 1964 | { |
0aa92b58 JJ |
1965 | struct elfNN_ia64_link_hash_table *ia64_info |
1966 | = (struct elfNN_ia64_link_hash_table *) hash; | |
1967 | if (ia64_info->loc_hash_table) | |
396a682d L |
1968 | { |
1969 | htab_traverse (ia64_info->loc_hash_table, | |
1970 | elfNN_ia64_local_dyn_info_free, NULL); | |
1971 | htab_delete (ia64_info->loc_hash_table); | |
1972 | } | |
0aa92b58 JJ |
1973 | if (ia64_info->loc_hash_memory) |
1974 | objalloc_free ((struct objalloc *) ia64_info->loc_hash_memory); | |
396a682d L |
1975 | elf_link_hash_traverse (&ia64_info->root, |
1976 | elfNN_ia64_global_dyn_info_free, NULL); | |
0aa92b58 | 1977 | _bfd_generic_link_hash_table_free (hash); |
800eeca4 JW |
1978 | } |
1979 | ||
1980 | /* Traverse both local and global hash tables. */ | |
1981 | ||
bbe66d08 | 1982 | struct elfNN_ia64_dyn_sym_traverse_data |
800eeca4 | 1983 | { |
eae50df2 | 1984 | bfd_boolean (*func) (struct elfNN_ia64_dyn_sym_info *, PTR); |
800eeca4 JW |
1985 | PTR data; |
1986 | }; | |
1987 | ||
b34976b6 | 1988 | static bfd_boolean |
eae50df2 L |
1989 | elfNN_ia64_global_dyn_sym_thunk (struct bfd_hash_entry *xentry, |
1990 | PTR xdata) | |
800eeca4 | 1991 | { |
bbe66d08 JW |
1992 | struct elfNN_ia64_link_hash_entry *entry |
1993 | = (struct elfNN_ia64_link_hash_entry *) xentry; | |
1994 | struct elfNN_ia64_dyn_sym_traverse_data *data | |
1995 | = (struct elfNN_ia64_dyn_sym_traverse_data *) xdata; | |
1996 | struct elfNN_ia64_dyn_sym_info *dyn_i; | |
396a682d | 1997 | unsigned int count; |
800eeca4 | 1998 | |
e92d460e AM |
1999 | if (entry->root.root.type == bfd_link_hash_warning) |
2000 | entry = (struct elfNN_ia64_link_hash_entry *) entry->root.root.u.i.link; | |
2001 | ||
396a682d L |
2002 | for (count = entry->count, dyn_i = entry->info; |
2003 | count != 0; | |
2004 | count--, dyn_i++) | |
800eeca4 | 2005 | if (! (*data->func) (dyn_i, data->data)) |
b34976b6 AM |
2006 | return FALSE; |
2007 | return TRUE; | |
800eeca4 JW |
2008 | } |
2009 | ||
b34976b6 | 2010 | static bfd_boolean |
eae50df2 | 2011 | elfNN_ia64_local_dyn_sym_thunk (void **slot, PTR xdata) |
800eeca4 | 2012 | { |
bbe66d08 | 2013 | struct elfNN_ia64_local_hash_entry *entry |
0aa92b58 | 2014 | = (struct elfNN_ia64_local_hash_entry *) *slot; |
bbe66d08 JW |
2015 | struct elfNN_ia64_dyn_sym_traverse_data *data |
2016 | = (struct elfNN_ia64_dyn_sym_traverse_data *) xdata; | |
2017 | struct elfNN_ia64_dyn_sym_info *dyn_i; | |
396a682d | 2018 | unsigned int count; |
800eeca4 | 2019 | |
396a682d L |
2020 | for (count = entry->count, dyn_i = entry->info; |
2021 | count != 0; | |
2022 | count--, dyn_i++) | |
800eeca4 | 2023 | if (! (*data->func) (dyn_i, data->data)) |
396a682d L |
2024 | return FALSE; |
2025 | return TRUE; | |
800eeca4 JW |
2026 | } |
2027 | ||
2028 | static void | |
eae50df2 L |
2029 | elfNN_ia64_dyn_sym_traverse (struct elfNN_ia64_link_hash_table *ia64_info, |
2030 | bfd_boolean (*func) (struct elfNN_ia64_dyn_sym_info *, PTR), | |
2031 | PTR data) | |
800eeca4 | 2032 | { |
bbe66d08 | 2033 | struct elfNN_ia64_dyn_sym_traverse_data xdata; |
800eeca4 JW |
2034 | |
2035 | xdata.func = func; | |
2036 | xdata.data = data; | |
2037 | ||
2038 | elf_link_hash_traverse (&ia64_info->root, | |
bbe66d08 | 2039 | elfNN_ia64_global_dyn_sym_thunk, &xdata); |
0aa92b58 JJ |
2040 | htab_traverse (ia64_info->loc_hash_table, |
2041 | elfNN_ia64_local_dyn_sym_thunk, &xdata); | |
800eeca4 JW |
2042 | } |
2043 | \f | |
b34976b6 | 2044 | static bfd_boolean |
eae50df2 L |
2045 | elfNN_ia64_create_dynamic_sections (bfd *abfd, |
2046 | struct bfd_link_info *info) | |
800eeca4 | 2047 | { |
bbe66d08 | 2048 | struct elfNN_ia64_link_hash_table *ia64_info; |
800eeca4 JW |
2049 | asection *s; |
2050 | ||
2051 | if (! _bfd_elf_create_dynamic_sections (abfd, info)) | |
b34976b6 | 2052 | return FALSE; |
800eeca4 | 2053 | |
bbe66d08 | 2054 | ia64_info = elfNN_ia64_hash_table (info); |
800eeca4 | 2055 | |
800eeca4 | 2056 | { |
cc3bd654 L |
2057 | flagword flags = bfd_get_section_flags (abfd, ia64_info->root.sgot); |
2058 | bfd_set_section_flags (abfd, ia64_info->root.sgot, | |
2059 | SEC_SMALL_DATA | flags); | |
69bbc4c0 | 2060 | /* The .got section is always aligned at 8 bytes. */ |
cc3bd654 | 2061 | bfd_set_section_alignment (abfd, ia64_info->root.sgot, 3); |
800eeca4 JW |
2062 | } |
2063 | ||
2064 | if (!get_pltoff (abfd, info, ia64_info)) | |
b34976b6 | 2065 | return FALSE; |
800eeca4 | 2066 | |
3496cb2a L |
2067 | s = bfd_make_section_with_flags (abfd, ".rela.IA_64.pltoff", |
2068 | (SEC_ALLOC | SEC_LOAD | |
2069 | | SEC_HAS_CONTENTS | |
2070 | | SEC_IN_MEMORY | |
2071 | | SEC_LINKER_CREATED | |
2072 | | SEC_READONLY)); | |
800eeca4 | 2073 | if (s == NULL |
5a260b66 | 2074 | || !bfd_set_section_alignment (abfd, s, LOG_SECTION_ALIGN)) |
b34976b6 | 2075 | return FALSE; |
800eeca4 JW |
2076 | ia64_info->rel_pltoff_sec = s; |
2077 | ||
b34976b6 | 2078 | return TRUE; |
800eeca4 JW |
2079 | } |
2080 | ||
f7460f5f JJ |
2081 | /* Find and/or create a hash entry for local symbol. */ |
2082 | static struct elfNN_ia64_local_hash_entry * | |
eae50df2 L |
2083 | get_local_sym_hash (struct elfNN_ia64_link_hash_table *ia64_info, |
2084 | bfd *abfd, const Elf_Internal_Rela *rel, | |
2085 | bfd_boolean create) | |
f7460f5f | 2086 | { |
0aa92b58 | 2087 | struct elfNN_ia64_local_hash_entry e, *ret; |
d48770d4 | 2088 | asection *sec = abfd->sections; |
d2149d72 L |
2089 | hashval_t h = ELF_LOCAL_SYMBOL_HASH (sec->id, |
2090 | ELFNN_R_SYM (rel->r_info)); | |
0aa92b58 | 2091 | void **slot; |
d48770d4 | 2092 | |
0aa92b58 JJ |
2093 | e.id = sec->id; |
2094 | e.r_sym = ELFNN_R_SYM (rel->r_info); | |
2095 | slot = htab_find_slot_with_hash (ia64_info->loc_hash_table, &e, h, | |
2096 | create ? INSERT : NO_INSERT); | |
f7460f5f | 2097 | |
0aa92b58 JJ |
2098 | if (!slot) |
2099 | return NULL; | |
f7460f5f | 2100 | |
0aa92b58 JJ |
2101 | if (*slot) |
2102 | return (struct elfNN_ia64_local_hash_entry *) *slot; | |
f7460f5f | 2103 | |
0aa92b58 JJ |
2104 | ret = (struct elfNN_ia64_local_hash_entry *) |
2105 | objalloc_alloc ((struct objalloc *) ia64_info->loc_hash_memory, | |
2106 | sizeof (struct elfNN_ia64_local_hash_entry)); | |
2107 | if (ret) | |
2108 | { | |
2109 | memset (ret, 0, sizeof (*ret)); | |
2110 | ret->id = sec->id; | |
2111 | ret->r_sym = ELFNN_R_SYM (rel->r_info); | |
2112 | *slot = ret; | |
2113 | } | |
fcf12726 | 2114 | return ret; |
f7460f5f JJ |
2115 | } |
2116 | ||
396a682d L |
2117 | /* Used to sort elfNN_ia64_dyn_sym_info array. */ |
2118 | ||
2119 | static int | |
2120 | addend_compare (const void *xp, const void *yp) | |
2121 | { | |
2122 | const struct elfNN_ia64_dyn_sym_info *x | |
2123 | = (const struct elfNN_ia64_dyn_sym_info *) xp; | |
2124 | const struct elfNN_ia64_dyn_sym_info *y | |
2125 | = (const struct elfNN_ia64_dyn_sym_info *) yp; | |
2126 | ||
c26620e3 | 2127 | return x->addend < y->addend ? -1 : x->addend > y->addend ? 1 : 0; |
396a682d L |
2128 | } |
2129 | ||
2130 | /* Sort elfNN_ia64_dyn_sym_info array and remove duplicates. */ | |
2131 | ||
2132 | static unsigned int | |
2133 | sort_dyn_sym_info (struct elfNN_ia64_dyn_sym_info *info, | |
2134 | unsigned int count) | |
2135 | { | |
293a0124 L |
2136 | bfd_vma curr, prev, got_offset; |
2137 | unsigned int i, kept, dup, diff, dest, src, len; | |
396a682d L |
2138 | |
2139 | qsort (info, count, sizeof (*info), addend_compare); | |
2140 | ||
2141 | /* Find the first duplicate. */ | |
2142 | prev = info [0].addend; | |
293a0124 | 2143 | got_offset = info [0].got_offset; |
396a682d L |
2144 | for (i = 1; i < count; i++) |
2145 | { | |
2146 | curr = info [i].addend; | |
2147 | if (curr == prev) | |
293a0124 L |
2148 | { |
2149 | /* For duplicates, make sure that GOT_OFFSET is valid. */ | |
2150 | if (got_offset == (bfd_vma) -1) | |
2151 | got_offset = info [i].got_offset; | |
2152 | break; | |
2153 | } | |
2154 | got_offset = info [i].got_offset; | |
396a682d L |
2155 | prev = curr; |
2156 | } | |
2157 | ||
293a0124 L |
2158 | /* We may move a block of elements to here. */ |
2159 | dest = i++; | |
2160 | ||
396a682d L |
2161 | /* Remove duplicates. */ |
2162 | if (i < count) | |
2163 | { | |
396a682d L |
2164 | while (i < count) |
2165 | { | |
293a0124 L |
2166 | /* For duplicates, make sure that the kept one has a valid |
2167 | got_offset. */ | |
2168 | kept = dest - 1; | |
2169 | if (got_offset != (bfd_vma) -1) | |
2170 | info [kept].got_offset = got_offset; | |
2171 | ||
396a682d | 2172 | curr = info [i].addend; |
293a0124 | 2173 | got_offset = info [i].got_offset; |
396a682d L |
2174 | |
2175 | /* Move a block of elements whose first one is different from | |
2176 | the previous. */ | |
2177 | if (curr == prev) | |
2178 | { | |
2179 | for (src = i + 1; src < count; src++) | |
293a0124 L |
2180 | { |
2181 | if (info [src].addend != curr) | |
2182 | break; | |
2183 | /* For duplicates, make sure that GOT_OFFSET is | |
2184 | valid. */ | |
2185 | if (got_offset == (bfd_vma) -1) | |
2186 | got_offset = info [src].got_offset; | |
2187 | } | |
2188 | ||
2189 | /* Make sure that the kept one has a valid got_offset. */ | |
2190 | if (got_offset != (bfd_vma) -1) | |
2191 | info [kept].got_offset = got_offset; | |
396a682d L |
2192 | } |
2193 | else | |
2194 | src = i; | |
2195 | ||
2196 | if (src >= count) | |
2197 | break; | |
2198 | ||
293a0124 | 2199 | /* Find the next duplicate. SRC will be kept. */ |
396a682d | 2200 | prev = info [src].addend; |
293a0124 | 2201 | got_offset = info [src].got_offset; |
396a682d L |
2202 | for (dup = src + 1; dup < count; dup++) |
2203 | { | |
2204 | curr = info [dup].addend; | |
2205 | if (curr == prev) | |
293a0124 L |
2206 | { |
2207 | /* Make sure that got_offset is valid. */ | |
2208 | if (got_offset == (bfd_vma) -1) | |
2209 | got_offset = info [dup].got_offset; | |
2210 | ||
2211 | /* For duplicates, make sure that the kept one has | |
2212 | a valid got_offset. */ | |
2213 | if (got_offset != (bfd_vma) -1) | |
2214 | info [dup - 1].got_offset = got_offset; | |
2215 | break; | |
2216 | } | |
2217 | got_offset = info [dup].got_offset; | |
396a682d L |
2218 | prev = curr; |
2219 | } | |
2220 | ||
2221 | /* How much to move. */ | |
2222 | len = dup - src; | |
2223 | i = dup + 1; | |
2224 | ||
2225 | if (len == 1 && dup < count) | |
2226 | { | |
2227 | /* If we only move 1 element, we combine it with the next | |
293a0124 L |
2228 | one. There must be at least a duplicate. Find the |
2229 | next different one. */ | |
396a682d | 2230 | for (diff = dup + 1, src++; diff < count; diff++, src++) |
293a0124 L |
2231 | { |
2232 | if (info [diff].addend != curr) | |
2233 | break; | |
2234 | /* Make sure that got_offset is valid. */ | |
2235 | if (got_offset == (bfd_vma) -1) | |
2236 | got_offset = info [diff].got_offset; | |
2237 | } | |
2238 | ||
2239 | /* Makre sure that the last duplicated one has an valid | |
2240 | offset. */ | |
2241 | BFD_ASSERT (curr == prev); | |
2242 | if (got_offset != (bfd_vma) -1) | |
2243 | info [diff - 1].got_offset = got_offset; | |
396a682d L |
2244 | |
2245 | if (diff < count) | |
2246 | { | |
293a0124 L |
2247 | /* Find the next duplicate. Track the current valid |
2248 | offset. */ | |
396a682d | 2249 | prev = info [diff].addend; |
293a0124 | 2250 | got_offset = info [diff].got_offset; |
396a682d L |
2251 | for (dup = diff + 1; dup < count; dup++) |
2252 | { | |
2253 | curr = info [dup].addend; | |
2254 | if (curr == prev) | |
293a0124 L |
2255 | { |
2256 | /* For duplicates, make sure that GOT_OFFSET | |
2257 | is valid. */ | |
2258 | if (got_offset == (bfd_vma) -1) | |
2259 | got_offset = info [dup].got_offset; | |
2260 | break; | |
2261 | } | |
2262 | got_offset = info [dup].got_offset; | |
396a682d L |
2263 | prev = curr; |
2264 | diff++; | |
2265 | } | |
2266 | ||
2267 | len = diff - src + 1; | |
2268 | i = diff + 1; | |
2269 | } | |
2270 | } | |
2271 | ||
2272 | memmove (&info [dest], &info [src], len * sizeof (*info)); | |
2273 | ||
2274 | dest += len; | |
2275 | } | |
2276 | ||
2277 | count = dest; | |
2278 | } | |
293a0124 L |
2279 | else |
2280 | { | |
2281 | /* When we get here, either there is no duplicate at all or | |
2282 | the only duplicate is the last element. */ | |
2283 | if (dest < count) | |
2284 | { | |
2285 | /* If the last element is a duplicate, make sure that the | |
2286 | kept one has a valid got_offset. We also update count. */ | |
2287 | if (got_offset != (bfd_vma) -1) | |
2288 | info [dest - 1].got_offset = got_offset; | |
2289 | count = dest; | |
2290 | } | |
2291 | } | |
396a682d L |
2292 | |
2293 | return count; | |
2294 | } | |
2295 | ||
800eeca4 | 2296 | /* Find and/or create a descriptor for dynamic symbol info. This will |
396a682d L |
2297 | vary based on global or local symbol, and the addend to the reloc. |
2298 | ||
2299 | We don't sort when inserting. Also, we sort and eliminate | |
2300 | duplicates if there is an unsorted section. Typically, this will | |
2301 | only happen once, because we do all insertions before lookups. We | |
2302 | then use bsearch to do a lookup. This also allows lookups to be | |
2303 | fast. So we have fast insertion (O(log N) due to duplicate check), | |
2304 | fast lookup (O(log N)) and one sort (O(N log N) expected time). | |
2305 | Previously, all lookups were O(N) because of the use of the linked | |
2306 | list and also all insertions were O(N) because of the check for | |
2307 | duplicates. There are some complications here because the array | |
2308 | size grows occasionally, which may add an O(N) factor, but this | |
2309 | should be rare. Also, we free the excess array allocation, which | |
2310 | requires a copy which is O(N), but this only happens once. */ | |
800eeca4 | 2311 | |
bbe66d08 | 2312 | static struct elfNN_ia64_dyn_sym_info * |
eae50df2 L |
2313 | get_dyn_sym_info (struct elfNN_ia64_link_hash_table *ia64_info, |
2314 | struct elf_link_hash_entry *h, bfd *abfd, | |
2315 | const Elf_Internal_Rela *rel, bfd_boolean create) | |
800eeca4 | 2316 | { |
396a682d L |
2317 | struct elfNN_ia64_dyn_sym_info **info_p, *info, *dyn_i, key; |
2318 | unsigned int *count_p, *sorted_count_p, *size_p; | |
2319 | unsigned int count, sorted_count, size; | |
800eeca4 | 2320 | bfd_vma addend = rel ? rel->r_addend : 0; |
396a682d | 2321 | bfd_size_type amt; |
3e932841 | 2322 | |
800eeca4 | 2323 | if (h) |
396a682d L |
2324 | { |
2325 | struct elfNN_ia64_link_hash_entry *global_h; | |
2326 | ||
2327 | global_h = (struct elfNN_ia64_link_hash_entry *) h; | |
2328 | info_p = &global_h->info; | |
2329 | count_p = &global_h->count; | |
2330 | sorted_count_p = &global_h->sorted_count; | |
2331 | size_p = &global_h->size; | |
2332 | } | |
800eeca4 JW |
2333 | else |
2334 | { | |
bbe66d08 | 2335 | struct elfNN_ia64_local_hash_entry *loc_h; |
800eeca4 | 2336 | |
f7460f5f | 2337 | loc_h = get_local_sym_hash (ia64_info, abfd, rel, create); |
f86b235a RH |
2338 | if (!loc_h) |
2339 | { | |
2340 | BFD_ASSERT (!create); | |
2341 | return NULL; | |
2342 | } | |
800eeca4 | 2343 | |
396a682d L |
2344 | info_p = &loc_h->info; |
2345 | count_p = &loc_h->count; | |
2346 | sorted_count_p = &loc_h->sorted_count; | |
2347 | size_p = &loc_h->size; | |
3e932841 | 2348 | } |
800eeca4 | 2349 | |
396a682d L |
2350 | count = *count_p; |
2351 | sorted_count = *sorted_count_p; | |
2352 | size = *size_p; | |
2353 | info = *info_p; | |
2354 | if (create) | |
800eeca4 | 2355 | { |
396a682d L |
2356 | /* When we create the array, we don't check for duplicates, |
2357 | except in the previously sorted section if one exists, and | |
2358 | against the last inserted entry. This allows insertions to | |
2359 | be fast. */ | |
2360 | if (info) | |
2361 | { | |
2362 | if (sorted_count) | |
2363 | { | |
2364 | /* Try bsearch first on the sorted section. */ | |
2365 | key.addend = addend; | |
2366 | dyn_i = bsearch (&key, info, sorted_count, | |
2367 | sizeof (*info), addend_compare); | |
2368 | ||
2369 | if (dyn_i) | |
2370 | { | |
2371 | return dyn_i; | |
2372 | } | |
2373 | } | |
2374 | ||
2375 | /* Do a quick check for the last inserted entry. */ | |
2376 | dyn_i = info + count - 1; | |
2377 | if (dyn_i->addend == addend) | |
2378 | { | |
2379 | return dyn_i; | |
2380 | } | |
2381 | } | |
2382 | ||
2383 | if (size == 0) | |
2384 | { | |
2385 | /* It is the very first element. We create the array of size | |
2386 | 1. */ | |
2387 | size = 1; | |
2388 | amt = size * sizeof (*info); | |
2389 | info = bfd_malloc (amt); | |
2390 | } | |
2391 | else if (size <= count) | |
2392 | { | |
2393 | /* We double the array size every time when we reach the | |
2394 | size limit. */ | |
2395 | size += size; | |
2396 | amt = size * sizeof (*info); | |
2397 | info = bfd_realloc (info, amt); | |
2398 | } | |
2399 | else | |
2400 | goto has_space; | |
2401 | ||
2402 | if (info == NULL) | |
2403 | return NULL; | |
2404 | *size_p = size; | |
2405 | *info_p = info; | |
2406 | ||
2407 | has_space: | |
2408 | /* Append the new one to the array. */ | |
2409 | dyn_i = info + count; | |
2410 | memset (dyn_i, 0, sizeof (*dyn_i)); | |
293a0124 | 2411 | dyn_i->got_offset = (bfd_vma) -1; |
800eeca4 | 2412 | dyn_i->addend = addend; |
9a2e389a | 2413 | |
396a682d L |
2414 | /* We increment count only since the new ones are unsorted and |
2415 | may have duplicate. */ | |
2416 | (*count_p)++; | |
2417 | } | |
2418 | else | |
2419 | { | |
2420 | /* It is a lookup without insertion. Sort array if part of the | |
2421 | array isn't sorted. */ | |
2422 | if (count != sorted_count) | |
2423 | { | |
2424 | count = sort_dyn_sym_info (info, count); | |
2425 | *count_p = count; | |
2426 | *sorted_count_p = count; | |
2427 | } | |
2428 | ||
2429 | /* Free unused memory. */ | |
2430 | if (size != count) | |
2431 | { | |
2432 | amt = count * sizeof (*info); | |
2433 | info = bfd_malloc (amt); | |
2434 | if (info != NULL) | |
2435 | { | |
2436 | memcpy (info, *info_p, amt); | |
2437 | free (*info_p); | |
2438 | *size_p = count; | |
2439 | *info_p = info; | |
2440 | } | |
2441 | } | |
2442 | ||
2443 | key.addend = addend; | |
2444 | dyn_i = bsearch (&key, info, count, | |
2445 | sizeof (*info), addend_compare); | |
800eeca4 JW |
2446 | } |
2447 | ||
2448 | return dyn_i; | |
2449 | } | |
2450 | ||
2451 | static asection * | |
eae50df2 L |
2452 | get_got (bfd *abfd, struct bfd_link_info *info, |
2453 | struct elfNN_ia64_link_hash_table *ia64_info) | |
800eeca4 | 2454 | { |
64bf6ae6 | 2455 | asection *got; |
800eeca4 JW |
2456 | bfd *dynobj; |
2457 | ||
cc3bd654 | 2458 | got = ia64_info->root.sgot; |
800eeca4 JW |
2459 | if (!got) |
2460 | { | |
2461 | flagword flags; | |
2462 | ||
2463 | dynobj = ia64_info->root.dynobj; | |
2464 | if (!dynobj) | |
2465 | ia64_info->root.dynobj = dynobj = abfd; | |
2466 | if (!_bfd_elf_create_got_section (dynobj, info)) | |
2467 | return 0; | |
2468 | ||
cc3bd654 | 2469 | got = ia64_info->root.sgot; |
800eeca4 | 2470 | |
8651fcf9 L |
2471 | /* The .got section is always aligned at 8 bytes. */ |
2472 | if (!bfd_set_section_alignment (abfd, got, 3)) | |
2473 | return 0; | |
2474 | ||
800eeca4 JW |
2475 | flags = bfd_get_section_flags (abfd, got); |
2476 | bfd_set_section_flags (abfd, got, SEC_SMALL_DATA | flags); | |
2477 | } | |
2478 | ||
2479 | return got; | |
2480 | } | |
2481 | ||
2482 | /* Create function descriptor section (.opd). This section is called .opd | |
4cc11e76 | 2483 | because it contains "official procedure descriptors". The "official" |
800eeca4 JW |
2484 | refers to the fact that these descriptors are used when taking the address |
2485 | of a procedure, thus ensuring a unique address for each procedure. */ | |
2486 | ||
2487 | static asection * | |
eae50df2 L |
2488 | get_fptr (bfd *abfd, struct bfd_link_info *info, |
2489 | struct elfNN_ia64_link_hash_table *ia64_info) | |
800eeca4 JW |
2490 | { |
2491 | asection *fptr; | |
2492 | bfd *dynobj; | |
2493 | ||
2494 | fptr = ia64_info->fptr_sec; | |
2495 | if (!fptr) | |
2496 | { | |
2497 | dynobj = ia64_info->root.dynobj; | |
2498 | if (!dynobj) | |
2499 | ia64_info->root.dynobj = dynobj = abfd; | |
2500 | ||
3496cb2a L |
2501 | fptr = bfd_make_section_with_flags (dynobj, ".opd", |
2502 | (SEC_ALLOC | |
2503 | | SEC_LOAD | |
2504 | | SEC_HAS_CONTENTS | |
2505 | | SEC_IN_MEMORY | |
2506 | | (info->pie ? 0 : SEC_READONLY) | |
2507 | | SEC_LINKER_CREATED)); | |
800eeca4 | 2508 | if (!fptr |
800eeca4 JW |
2509 | || !bfd_set_section_alignment (abfd, fptr, 4)) |
2510 | { | |
2511 | BFD_ASSERT (0); | |
2512 | return NULL; | |
2513 | } | |
2514 | ||
2515 | ia64_info->fptr_sec = fptr; | |
9203ba99 JJ |
2516 | |
2517 | if (info->pie) | |
2518 | { | |
2519 | asection *fptr_rel; | |
3496cb2a L |
2520 | fptr_rel = bfd_make_section_with_flags (dynobj, ".rela.opd", |
2521 | (SEC_ALLOC | SEC_LOAD | |
2522 | | SEC_HAS_CONTENTS | |
2523 | | SEC_IN_MEMORY | |
2524 | | SEC_LINKER_CREATED | |
2525 | | SEC_READONLY)); | |
9203ba99 | 2526 | if (fptr_rel == NULL |
5a260b66 L |
2527 | || !bfd_set_section_alignment (abfd, fptr_rel, |
2528 | LOG_SECTION_ALIGN)) | |
9203ba99 JJ |
2529 | { |
2530 | BFD_ASSERT (0); | |
2531 | return NULL; | |
2532 | } | |
2533 | ||
2534 | ia64_info->rel_fptr_sec = fptr_rel; | |
2535 | } | |
800eeca4 JW |
2536 | } |
2537 | ||
2538 | return fptr; | |
2539 | } | |
2540 | ||
2541 | static asection * | |
eae50df2 L |
2542 | get_pltoff (bfd *abfd, struct bfd_link_info *info ATTRIBUTE_UNUSED, |
2543 | struct elfNN_ia64_link_hash_table *ia64_info) | |
800eeca4 JW |
2544 | { |
2545 | asection *pltoff; | |
2546 | bfd *dynobj; | |
2547 | ||
2548 | pltoff = ia64_info->pltoff_sec; | |
2549 | if (!pltoff) | |
2550 | { | |
2551 | dynobj = ia64_info->root.dynobj; | |
2552 | if (!dynobj) | |
2553 | ia64_info->root.dynobj = dynobj = abfd; | |
2554 | ||
3496cb2a L |
2555 | pltoff = bfd_make_section_with_flags (dynobj, |
2556 | ELF_STRING_ia64_pltoff, | |
2557 | (SEC_ALLOC | |
2558 | | SEC_LOAD | |
2559 | | SEC_HAS_CONTENTS | |
2560 | | SEC_IN_MEMORY | |
2561 | | SEC_SMALL_DATA | |
2562 | | SEC_LINKER_CREATED)); | |
800eeca4 | 2563 | if (!pltoff |
800eeca4 JW |
2564 | || !bfd_set_section_alignment (abfd, pltoff, 4)) |
2565 | { | |
2566 | BFD_ASSERT (0); | |
2567 | return NULL; | |
2568 | } | |
2569 | ||
2570 | ia64_info->pltoff_sec = pltoff; | |
2571 | } | |
2572 | ||
2573 | return pltoff; | |
2574 | } | |
2575 | ||
2576 | static asection * | |
eae50df2 L |
2577 | get_reloc_section (bfd *abfd, |
2578 | struct elfNN_ia64_link_hash_table *ia64_info, | |
2579 | asection *sec, bfd_boolean create) | |
800eeca4 JW |
2580 | { |
2581 | const char *srel_name; | |
2582 | asection *srel; | |
2583 | bfd *dynobj; | |
2584 | ||
2585 | srel_name = (bfd_elf_string_from_elf_section | |
2586 | (abfd, elf_elfheader(abfd)->e_shstrndx, | |
2587 | elf_section_data(sec)->rel_hdr.sh_name)); | |
2588 | if (srel_name == NULL) | |
2589 | return NULL; | |
2590 | ||
0112cd26 | 2591 | BFD_ASSERT ((CONST_STRNEQ (srel_name, ".rela") |
800eeca4 JW |
2592 | && strcmp (bfd_get_section_name (abfd, sec), |
2593 | srel_name+5) == 0) | |
0112cd26 | 2594 | || (CONST_STRNEQ (srel_name, ".rel") |
800eeca4 JW |
2595 | && strcmp (bfd_get_section_name (abfd, sec), |
2596 | srel_name+4) == 0)); | |
2597 | ||
2598 | dynobj = ia64_info->root.dynobj; | |
2599 | if (!dynobj) | |
2600 | ia64_info->root.dynobj = dynobj = abfd; | |
2601 | ||
2602 | srel = bfd_get_section_by_name (dynobj, srel_name); | |
2603 | if (srel == NULL && create) | |
2604 | { | |
3496cb2a L |
2605 | srel = bfd_make_section_with_flags (dynobj, srel_name, |
2606 | (SEC_ALLOC | SEC_LOAD | |
2607 | | SEC_HAS_CONTENTS | |
2608 | | SEC_IN_MEMORY | |
2609 | | SEC_LINKER_CREATED | |
2610 | | SEC_READONLY)); | |
800eeca4 | 2611 | if (srel == NULL |
5a260b66 L |
2612 | || !bfd_set_section_alignment (dynobj, srel, |
2613 | LOG_SECTION_ALIGN)) | |
800eeca4 JW |
2614 | return NULL; |
2615 | } | |
2616 | ||
2617 | return srel; | |
2618 | } | |
2619 | ||
b34976b6 | 2620 | static bfd_boolean |
ac33696c L |
2621 | count_dyn_reloc (bfd *abfd, struct elfNN_ia64_dyn_sym_info *dyn_i, |
2622 | asection *srel, int type, bfd_boolean reltext) | |
800eeca4 | 2623 | { |
bbe66d08 | 2624 | struct elfNN_ia64_dyn_reloc_entry *rent; |
800eeca4 JW |
2625 | |
2626 | for (rent = dyn_i->reloc_entries; rent; rent = rent->next) | |
2627 | if (rent->srel == srel && rent->type == type) | |
2628 | break; | |
2629 | ||
2630 | if (!rent) | |
2631 | { | |
dc810e39 AM |
2632 | rent = ((struct elfNN_ia64_dyn_reloc_entry *) |
2633 | bfd_alloc (abfd, (bfd_size_type) sizeof (*rent))); | |
800eeca4 | 2634 | if (!rent) |
b34976b6 | 2635 | return FALSE; |
800eeca4 JW |
2636 | |
2637 | rent->next = dyn_i->reloc_entries; | |
2638 | rent->srel = srel; | |
2639 | rent->type = type; | |
2640 | rent->count = 0; | |
2641 | dyn_i->reloc_entries = rent; | |
2642 | } | |
ac33696c | 2643 | rent->reltext = reltext; |
800eeca4 JW |
2644 | rent->count++; |
2645 | ||
b34976b6 | 2646 | return TRUE; |
800eeca4 JW |
2647 | } |
2648 | ||
b34976b6 | 2649 | static bfd_boolean |
eae50df2 L |
2650 | elfNN_ia64_check_relocs (bfd *abfd, struct bfd_link_info *info, |
2651 | asection *sec, | |
2652 | const Elf_Internal_Rela *relocs) | |
800eeca4 | 2653 | { |
bbe66d08 | 2654 | struct elfNN_ia64_link_hash_table *ia64_info; |
800eeca4 JW |
2655 | const Elf_Internal_Rela *relend; |
2656 | Elf_Internal_Shdr *symtab_hdr; | |
2657 | const Elf_Internal_Rela *rel; | |
21a8f7fa | 2658 | asection *got, *fptr, *srel, *pltoff; |
396a682d L |
2659 | enum { |
2660 | NEED_GOT = 1, | |
2661 | NEED_GOTX = 2, | |
2662 | NEED_FPTR = 4, | |
2663 | NEED_PLTOFF = 8, | |
2664 | NEED_MIN_PLT = 16, | |
2665 | NEED_FULL_PLT = 32, | |
2666 | NEED_DYNREL = 64, | |
2667 | NEED_LTOFF_FPTR = 128, | |
2668 | NEED_TPREL = 256, | |
2669 | NEED_DTPMOD = 512, | |
2670 | NEED_DTPREL = 1024 | |
2671 | }; | |
2672 | int need_entry; | |
2673 | struct elf_link_hash_entry *h; | |
2674 | unsigned long r_symndx; | |
2675 | bfd_boolean maybe_dynamic; | |
800eeca4 | 2676 | |
1049f94e | 2677 | if (info->relocatable) |
b34976b6 | 2678 | return TRUE; |
800eeca4 JW |
2679 | |
2680 | symtab_hdr = &elf_tdata (abfd)->symtab_hdr; | |
bbe66d08 | 2681 | ia64_info = elfNN_ia64_hash_table (info); |
800eeca4 | 2682 | |
21a8f7fa | 2683 | got = fptr = srel = pltoff = NULL; |
800eeca4 JW |
2684 | |
2685 | relend = relocs + sec->reloc_count; | |
396a682d L |
2686 | |
2687 | /* We scan relocations first to create dynamic relocation arrays. We | |
2688 | modified get_dyn_sym_info to allow fast insertion and support fast | |
2689 | lookup in the next loop. */ | |
2690 | for (rel = relocs; rel < relend; ++rel) | |
2691 | { | |
2692 | r_symndx = ELFNN_R_SYM (rel->r_info); | |
2693 | if (r_symndx >= symtab_hdr->sh_info) | |
2694 | { | |
2695 | long indx = r_symndx - symtab_hdr->sh_info; | |
2696 | h = elf_sym_hashes (abfd)[indx]; | |
2697 | while (h->root.type == bfd_link_hash_indirect | |
2698 | || h->root.type == bfd_link_hash_warning) | |
2699 | h = (struct elf_link_hash_entry *) h->root.u.i.link; | |
2700 | } | |
2701 | else | |
2702 | h = NULL; | |
2703 | ||
2704 | /* We can only get preliminary data on whether a symbol is | |
2705 | locally or externally defined, as not all of the input files | |
2706 | have yet been processed. Do something with what we know, as | |
2707 | this may help reduce memory usage and processing time later. */ | |
2708 | maybe_dynamic = (h && ((!info->executable | |
55255dae | 2709 | && (!SYMBOLIC_BIND (info, h) |
396a682d L |
2710 | || info->unresolved_syms_in_shared_libs == RM_IGNORE)) |
2711 | || !h->def_regular | |
2712 | || h->root.type == bfd_link_hash_defweak)); | |
2713 | ||
2714 | need_entry = 0; | |
2715 | switch (ELFNN_R_TYPE (rel->r_info)) | |
2716 | { | |
2717 | case R_IA64_TPREL64MSB: | |
2718 | case R_IA64_TPREL64LSB: | |
2719 | if (info->shared || maybe_dynamic) | |
2720 | need_entry = NEED_DYNREL; | |
2721 | break; | |
2722 | ||
2723 | case R_IA64_LTOFF_TPREL22: | |
2724 | need_entry = NEED_TPREL; | |
2725 | if (info->shared) | |
2726 | info->flags |= DF_STATIC_TLS; | |
2727 | break; | |
2728 | ||
2729 | case R_IA64_DTPREL32MSB: | |
2730 | case R_IA64_DTPREL32LSB: | |
2731 | case R_IA64_DTPREL64MSB: | |
2732 | case R_IA64_DTPREL64LSB: | |
2733 | if (info->shared || maybe_dynamic) | |
2734 | need_entry = NEED_DYNREL; | |
2735 | break; | |
2736 | ||
2737 | case R_IA64_LTOFF_DTPREL22: | |
2738 | need_entry = NEED_DTPREL; | |
2739 | break; | |
2740 | ||
2741 | case R_IA64_DTPMOD64MSB: | |
2742 | case R_IA64_DTPMOD64LSB: | |
2743 | if (info->shared || maybe_dynamic) | |
2744 | need_entry = NEED_DYNREL; | |
2745 | break; | |
2746 | ||
2747 | case R_IA64_LTOFF_DTPMOD22: | |
2748 | need_entry = NEED_DTPMOD; | |
2749 | break; | |
2750 | ||
2751 | case R_IA64_LTOFF_FPTR22: | |
2752 | case R_IA64_LTOFF_FPTR64I: | |
2753 | case R_IA64_LTOFF_FPTR32MSB: | |
2754 | case R_IA64_LTOFF_FPTR32LSB: | |
2755 | case R_IA64_LTOFF_FPTR64MSB: | |
2756 | case R_IA64_LTOFF_FPTR64LSB: | |
2757 | need_entry = NEED_FPTR | NEED_GOT | NEED_LTOFF_FPTR; | |
2758 | break; | |
2759 | ||
2760 | case R_IA64_FPTR64I: | |
2761 | case R_IA64_FPTR32MSB: | |
2762 | case R_IA64_FPTR32LSB: | |
2763 | case R_IA64_FPTR64MSB: | |
2764 | case R_IA64_FPTR64LSB: | |
2765 | if (info->shared || h) | |
2766 | need_entry = NEED_FPTR | NEED_DYNREL; | |
2767 | else | |
2768 | need_entry = NEED_FPTR; | |
2769 | break; | |
2770 | ||
2771 | case R_IA64_LTOFF22: | |
2772 | case R_IA64_LTOFF64I: | |
2773 | need_entry = NEED_GOT; | |
2774 | break; | |
2775 | ||
2776 | case R_IA64_LTOFF22X: | |
2777 | need_entry = NEED_GOTX; | |
2778 | break; | |
2779 | ||
2780 | case R_IA64_PLTOFF22: | |
2781 | case R_IA64_PLTOFF64I: | |
2782 | case R_IA64_PLTOFF64MSB: | |
2783 | case R_IA64_PLTOFF64LSB: | |
2784 | need_entry = NEED_PLTOFF; | |
2785 | if (h) | |
2786 | { | |
2787 | if (maybe_dynamic) | |
2788 | need_entry |= NEED_MIN_PLT; | |
2789 | } | |
2790 | else | |
2791 | { | |
2792 | (*info->callbacks->warning) | |
2793 | (info, _("@pltoff reloc against local symbol"), 0, | |
2794 | abfd, 0, (bfd_vma) 0); | |
2795 | } | |
2796 | break; | |
2797 | ||
2798 | case R_IA64_PCREL21B: | |
2799 | case R_IA64_PCREL60B: | |
2800 | /* Depending on where this symbol is defined, we may or may not | |
2801 | need a full plt entry. Only skip if we know we'll not need | |
2802 | the entry -- static or symbolic, and the symbol definition | |
2803 | has already been seen. */ | |
2804 | if (maybe_dynamic && rel->r_addend == 0) | |
2805 | need_entry = NEED_FULL_PLT; | |
2806 | break; | |
2807 | ||
2808 | case R_IA64_IMM14: | |
2809 | case R_IA64_IMM22: | |
2810 | case R_IA64_IMM64: | |
2811 | case R_IA64_DIR32MSB: | |
2812 | case R_IA64_DIR32LSB: | |
2813 | case R_IA64_DIR64MSB: | |
2814 | case R_IA64_DIR64LSB: | |
2815 | /* Shared objects will always need at least a REL relocation. */ | |
2816 | if (info->shared || maybe_dynamic) | |
2817 | need_entry = NEED_DYNREL; | |
2818 | break; | |
2819 | ||
2820 | case R_IA64_IPLTMSB: | |
2821 | case R_IA64_IPLTLSB: | |
2822 | /* Shared objects will always need at least a REL relocation. */ | |
2823 | if (info->shared || maybe_dynamic) | |
2824 | need_entry = NEED_DYNREL; | |
2825 | break; | |
2826 | ||
2827 | case R_IA64_PCREL22: | |
2828 | case R_IA64_PCREL64I: | |
2829 | case R_IA64_PCREL32MSB: | |
2830 | case R_IA64_PCREL32LSB: | |
2831 | case R_IA64_PCREL64MSB: | |
2832 | case R_IA64_PCREL64LSB: | |
2833 | if (maybe_dynamic) | |
2834 | need_entry = NEED_DYNREL; | |
2835 | break; | |
2836 | } | |
2837 | ||
2838 | if (!need_entry) | |
2839 | continue; | |
2840 | ||
2841 | if ((need_entry & NEED_FPTR) != 0 | |
2842 | && rel->r_addend) | |
2843 | { | |
2844 | (*info->callbacks->warning) | |
2845 | (info, _("non-zero addend in @fptr reloc"), 0, | |
2846 | abfd, 0, (bfd_vma) 0); | |
2847 | } | |
2848 | ||
2849 | if (get_dyn_sym_info (ia64_info, h, abfd, rel, TRUE) == NULL) | |
2850 | return FALSE; | |
2851 | } | |
2852 | ||
2853 | /* Now, we only do lookup without insertion, which is very fast | |
9a2e389a | 2854 | with the modified get_dyn_sym_info. */ |
800eeca4 JW |
2855 | for (rel = relocs; rel < relend; ++rel) |
2856 | { | |
bbe66d08 | 2857 | struct elfNN_ia64_dyn_sym_info *dyn_i; |
64bf6ae6 | 2858 | int dynrel_type = R_IA64_NONE; |
800eeca4 | 2859 | |
396a682d | 2860 | r_symndx = ELFNN_R_SYM (rel->r_info); |
800eeca4 JW |
2861 | if (r_symndx >= symtab_hdr->sh_info) |
2862 | { | |
2863 | /* We're dealing with a global symbol -- find its hash entry | |
2864 | and mark it as being referenced. */ | |
2865 | long indx = r_symndx - symtab_hdr->sh_info; | |
2866 | h = elf_sym_hashes (abfd)[indx]; | |
2867 | while (h->root.type == bfd_link_hash_indirect | |
2868 | || h->root.type == bfd_link_hash_warning) | |
2869 | h = (struct elf_link_hash_entry *) h->root.u.i.link; | |
2870 | ||
f5385ebf | 2871 | h->ref_regular = 1; |
800eeca4 | 2872 | } |
396a682d L |
2873 | else |
2874 | h = NULL; | |
800eeca4 JW |
2875 | |
2876 | /* We can only get preliminary data on whether a symbol is | |
2877 | locally or externally defined, as not all of the input files | |
2878 | have yet been processed. Do something with what we know, as | |
2879 | this may help reduce memory usage and processing time later. */ | |
396a682d | 2880 | maybe_dynamic = (h && ((!info->executable |
55255dae | 2881 | && (!SYMBOLIC_BIND (info, h) |
396a682d L |
2882 | || info->unresolved_syms_in_shared_libs == RM_IGNORE)) |
2883 | || !h->def_regular | |
2884 | || h->root.type == bfd_link_hash_defweak)); | |
800eeca4 JW |
2885 | |
2886 | need_entry = 0; | |
bbe66d08 | 2887 | switch (ELFNN_R_TYPE (rel->r_info)) |
800eeca4 | 2888 | { |
800eeca4 JW |
2889 | case R_IA64_TPREL64MSB: |
2890 | case R_IA64_TPREL64LSB: | |
13ae64f3 JJ |
2891 | if (info->shared || maybe_dynamic) |
2892 | need_entry = NEED_DYNREL; | |
2893 | dynrel_type = R_IA64_TPREL64LSB; | |
2894 | if (info->shared) | |
2895 | info->flags |= DF_STATIC_TLS; | |
2896 | break; | |
2897 | ||
2898 | case R_IA64_LTOFF_TPREL22: | |
2899 | need_entry = NEED_TPREL; | |
2900 | if (info->shared) | |
2901 | info->flags |= DF_STATIC_TLS; | |
2902 | break; | |
2903 | ||
5a260b66 L |
2904 | case R_IA64_DTPREL32MSB: |
2905 | case R_IA64_DTPREL32LSB: | |
13ae64f3 JJ |
2906 | case R_IA64_DTPREL64MSB: |
2907 | case R_IA64_DTPREL64LSB: | |
2908 | if (info->shared || maybe_dynamic) | |
2909 | need_entry = NEED_DYNREL; | |
5a260b66 | 2910 | dynrel_type = R_IA64_DTPRELNNLSB; |
13ae64f3 JJ |
2911 | break; |
2912 | ||
2913 | case R_IA64_LTOFF_DTPREL22: | |
2914 | need_entry = NEED_DTPREL; | |
2915 | break; | |
2916 | ||
2917 | case R_IA64_DTPMOD64MSB: | |
2918 | case R_IA64_DTPMOD64LSB: | |
2919 | if (info->shared || maybe_dynamic) | |
2920 | need_entry = NEED_DYNREL; | |
2921 | dynrel_type = R_IA64_DTPMOD64LSB; | |
2922 | break; | |
2923 | ||
2924 | case R_IA64_LTOFF_DTPMOD22: | |
2925 | need_entry = NEED_DTPMOD; | |
2926 | break; | |
800eeca4 JW |
2927 | |
2928 | case R_IA64_LTOFF_FPTR22: | |
2929 | case R_IA64_LTOFF_FPTR64I: | |
a4bd8390 JW |
2930 | case R_IA64_LTOFF_FPTR32MSB: |
2931 | case R_IA64_LTOFF_FPTR32LSB: | |
800eeca4 JW |
2932 | case R_IA64_LTOFF_FPTR64MSB: |
2933 | case R_IA64_LTOFF_FPTR64LSB: | |
2934 | need_entry = NEED_FPTR | NEED_GOT | NEED_LTOFF_FPTR; | |
2935 | break; | |
2936 | ||
2937 | case R_IA64_FPTR64I: | |
2938 | case R_IA64_FPTR32MSB: | |
2939 | case R_IA64_FPTR32LSB: | |
2940 | case R_IA64_FPTR64MSB: | |
2941 | case R_IA64_FPTR64LSB: | |
02e6ad56 | 2942 | if (info->shared || h) |
800eeca4 JW |
2943 | need_entry = NEED_FPTR | NEED_DYNREL; |
2944 | else | |
2945 | need_entry = NEED_FPTR; | |
5a260b66 | 2946 | dynrel_type = R_IA64_FPTRNNLSB; |
800eeca4 JW |
2947 | break; |
2948 | ||
2949 | case R_IA64_LTOFF22: | |
800eeca4 JW |
2950 | case R_IA64_LTOFF64I: |
2951 | need_entry = NEED_GOT; | |
2952 | break; | |
2953 | ||
2c4c2bc0 RH |
2954 | case R_IA64_LTOFF22X: |
2955 | need_entry = NEED_GOTX; | |
2956 | break; | |
2957 | ||
800eeca4 JW |
2958 | case R_IA64_PLTOFF22: |
2959 | case R_IA64_PLTOFF64I: | |
2960 | case R_IA64_PLTOFF64MSB: | |
2961 | case R_IA64_PLTOFF64LSB: | |
2962 | need_entry = NEED_PLTOFF; | |
2963 | if (h) | |
2964 | { | |
2965 | if (maybe_dynamic) | |
2966 | need_entry |= NEED_MIN_PLT; | |
2967 | } | |
800eeca4 JW |
2968 | break; |
2969 | ||
2970 | case R_IA64_PCREL21B: | |
748abff6 | 2971 | case R_IA64_PCREL60B: |
800eeca4 JW |
2972 | /* Depending on where this symbol is defined, we may or may not |
2973 | need a full plt entry. Only skip if we know we'll not need | |
2974 | the entry -- static or symbolic, and the symbol definition | |
2975 | has already been seen. */ | |
2976 | if (maybe_dynamic && rel->r_addend == 0) | |
2977 | need_entry = NEED_FULL_PLT; | |
2978 | break; | |
2979 | ||
2980 | case R_IA64_IMM14: | |
2981 | case R_IA64_IMM22: | |
2982 | case R_IA64_IMM64: | |
2983 | case R_IA64_DIR32MSB: | |
2984 | case R_IA64_DIR32LSB: | |
2985 | case R_IA64_DIR64MSB: | |
2986 | case R_IA64_DIR64LSB: | |
2987 | /* Shared objects will always need at least a REL relocation. */ | |
02e6ad56 | 2988 | if (info->shared || maybe_dynamic) |
800eeca4 | 2989 | need_entry = NEED_DYNREL; |
5a260b66 | 2990 | dynrel_type = R_IA64_DIRNNLSB; |
800eeca4 JW |
2991 | break; |
2992 | ||
18b27f17 RH |
2993 | case R_IA64_IPLTMSB: |
2994 | case R_IA64_IPLTLSB: | |
2995 | /* Shared objects will always need at least a REL relocation. */ | |
2996 | if (info->shared || maybe_dynamic) | |
2997 | need_entry = NEED_DYNREL; | |
2998 | dynrel_type = R_IA64_IPLTLSB; | |
2999 | break; | |
3000 | ||
748abff6 RH |
3001 | case R_IA64_PCREL22: |
3002 | case R_IA64_PCREL64I: | |
800eeca4 JW |
3003 | case R_IA64_PCREL32MSB: |
3004 | case R_IA64_PCREL32LSB: | |
3005 | case R_IA64_PCREL64MSB: | |
3006 | case R_IA64_PCREL64LSB: | |
3007 | if (maybe_dynamic) | |
3008 | need_entry = NEED_DYNREL; | |
5a260b66 | 3009 | dynrel_type = R_IA64_PCRELNNLSB; |
800eeca4 JW |
3010 | break; |
3011 | } | |
3012 | ||
3013 | if (!need_entry) | |
3014 | continue; | |
3015 | ||
396a682d | 3016 | dyn_i = get_dyn_sym_info (ia64_info, h, abfd, rel, FALSE); |
800eeca4 JW |
3017 | |
3018 | /* Record whether or not this is a local symbol. */ | |
3019 | dyn_i->h = h; | |
3020 | ||
3021 | /* Create what's needed. */ | |
2c4c2bc0 RH |
3022 | if (need_entry & (NEED_GOT | NEED_GOTX | NEED_TPREL |
3023 | | NEED_DTPMOD | NEED_DTPREL)) | |
800eeca4 JW |
3024 | { |
3025 | if (!got) | |
3026 | { | |
3027 | got = get_got (abfd, info, ia64_info); | |
3028 | if (!got) | |
b34976b6 | 3029 | return FALSE; |
800eeca4 | 3030 | } |
13ae64f3 JJ |
3031 | if (need_entry & NEED_GOT) |
3032 | dyn_i->want_got = 1; | |
2c4c2bc0 RH |
3033 | if (need_entry & NEED_GOTX) |
3034 | dyn_i->want_gotx = 1; | |
13ae64f3 JJ |
3035 | if (need_entry & NEED_TPREL) |
3036 | dyn_i->want_tprel = 1; | |
3037 | if (need_entry & NEED_DTPMOD) | |
3038 | dyn_i->want_dtpmod = 1; | |
3039 | if (need_entry & NEED_DTPREL) | |
3040 | dyn_i->want_dtprel = 1; | |
800eeca4 JW |
3041 | } |
3042 | if (need_entry & NEED_FPTR) | |
3043 | { | |
3044 | if (!fptr) | |
3045 | { | |
3046 | fptr = get_fptr (abfd, info, ia64_info); | |
3047 | if (!fptr) | |
b34976b6 | 3048 | return FALSE; |
800eeca4 JW |
3049 | } |
3050 | ||
3051 | /* FPTRs for shared libraries are allocated by the dynamic | |
3052 | linker. Make sure this local symbol will appear in the | |
3053 | dynamic symbol table. */ | |
02e6ad56 | 3054 | if (!h && info->shared) |
800eeca4 | 3055 | { |
c152c796 | 3056 | if (! (bfd_elf_link_record_local_dynamic_symbol |
dc810e39 | 3057 | (info, abfd, (long) r_symndx))) |
b34976b6 | 3058 | return FALSE; |
800eeca4 JW |
3059 | } |
3060 | ||
3061 | dyn_i->want_fptr = 1; | |
3062 | } | |
3063 | if (need_entry & NEED_LTOFF_FPTR) | |
3064 | dyn_i->want_ltoff_fptr = 1; | |
3065 | if (need_entry & (NEED_MIN_PLT | NEED_FULL_PLT)) | |
3066 | { | |
3067 | if (!ia64_info->root.dynobj) | |
3068 | ia64_info->root.dynobj = abfd; | |
f5385ebf | 3069 | h->needs_plt = 1; |
800eeca4 JW |
3070 | dyn_i->want_plt = 1; |
3071 | } | |
3072 | if (need_entry & NEED_FULL_PLT) | |
3073 | dyn_i->want_plt2 = 1; | |
3074 | if (need_entry & NEED_PLTOFF) | |
21a8f7fa JW |
3075 | { |
3076 | /* This is needed here, in case @pltoff is used in a non-shared | |
3077 | link. */ | |
3078 | if (!pltoff) | |
3079 | { | |
3080 | pltoff = get_pltoff (abfd, info, ia64_info); | |
3081 | if (!pltoff) | |
3082 | return FALSE; | |
3083 | } | |
f12123c0 | 3084 | |
21a8f7fa JW |
3085 | dyn_i->want_pltoff = 1; |
3086 | } | |
800eeca4 JW |
3087 | if ((need_entry & NEED_DYNREL) && (sec->flags & SEC_ALLOC)) |
3088 | { | |
3089 | if (!srel) | |
3090 | { | |
b34976b6 | 3091 | srel = get_reloc_section (abfd, ia64_info, sec, TRUE); |
800eeca4 | 3092 | if (!srel) |
b34976b6 | 3093 | return FALSE; |
800eeca4 | 3094 | } |
ac33696c | 3095 | if (!count_dyn_reloc (abfd, dyn_i, srel, dynrel_type, |
de9811af | 3096 | (sec->flags & SEC_READONLY) != 0)) |
b34976b6 | 3097 | return FALSE; |
800eeca4 JW |
3098 | } |
3099 | } | |
3100 | ||
b34976b6 | 3101 | return TRUE; |
800eeca4 JW |
3102 | } |
3103 | ||
800eeca4 JW |
3104 | /* For cleanliness, and potentially faster dynamic loading, allocate |
3105 | external GOT entries first. */ | |
3106 | ||
b34976b6 | 3107 | static bfd_boolean |
eae50df2 L |
3108 | allocate_global_data_got (struct elfNN_ia64_dyn_sym_info *dyn_i, |
3109 | PTR data) | |
800eeca4 | 3110 | { |
bbe66d08 | 3111 | struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data; |
800eeca4 | 3112 | |
2c4c2bc0 | 3113 | if ((dyn_i->want_got || dyn_i->want_gotx) |
800eeca4 | 3114 | && ! dyn_i->want_fptr |
986a241f | 3115 | && elfNN_ia64_dynamic_symbol_p (dyn_i->h, x->info, 0)) |
800eeca4 JW |
3116 | { |
3117 | dyn_i->got_offset = x->ofs; | |
3118 | x->ofs += 8; | |
3119 | } | |
13ae64f3 JJ |
3120 | if (dyn_i->want_tprel) |
3121 | { | |
3122 | dyn_i->tprel_offset = x->ofs; | |
3123 | x->ofs += 8; | |
3124 | } | |
3125 | if (dyn_i->want_dtpmod) | |
3126 | { | |
986a241f | 3127 | if (elfNN_ia64_dynamic_symbol_p (dyn_i->h, x->info, 0)) |
b3dfd7fe JJ |
3128 | { |
3129 | dyn_i->dtpmod_offset = x->ofs; | |
3130 | x->ofs += 8; | |
3131 | } | |
3132 | else | |
3133 | { | |
3134 | struct elfNN_ia64_link_hash_table *ia64_info; | |
3135 | ||
3136 | ia64_info = elfNN_ia64_hash_table (x->info); | |
3137 | if (ia64_info->self_dtpmod_offset == (bfd_vma) -1) | |
3138 | { | |
3139 | ia64_info->self_dtpmod_offset = x->ofs; | |
3140 | x->ofs += 8; | |
3141 | } | |
3142 | dyn_i->dtpmod_offset = ia64_info->self_dtpmod_offset; | |
3143 | } | |
13ae64f3 JJ |
3144 | } |
3145 | if (dyn_i->want_dtprel) | |
3146 | { | |
3147 | dyn_i->dtprel_offset = x->ofs; | |
3148 | x->ofs += 8; | |
3149 | } | |
b34976b6 | 3150 | return TRUE; |
800eeca4 JW |
3151 | } |
3152 | ||
3153 | /* Next, allocate all the GOT entries used by LTOFF_FPTR relocs. */ | |
3154 | ||
b34976b6 | 3155 | static bfd_boolean |
eae50df2 L |
3156 | allocate_global_fptr_got (struct elfNN_ia64_dyn_sym_info *dyn_i, |
3157 | PTR data) | |
800eeca4 | 3158 | { |
bbe66d08 | 3159 | struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data; |
800eeca4 JW |
3160 | |
3161 | if (dyn_i->want_got | |
3162 | && dyn_i->want_fptr | |
5a260b66 | 3163 | && elfNN_ia64_dynamic_symbol_p (dyn_i->h, x->info, R_IA64_FPTRNNLSB)) |
800eeca4 JW |
3164 | { |
3165 | dyn_i->got_offset = x->ofs; | |
3166 | x->ofs += 8; | |
3167 | } | |
b34976b6 | 3168 | return TRUE; |
800eeca4 JW |
3169 | } |
3170 | ||
3171 | /* Lastly, allocate all the GOT entries for local data. */ | |
3172 | ||
b34976b6 | 3173 | static bfd_boolean |
eae50df2 L |
3174 | allocate_local_got (struct elfNN_ia64_dyn_sym_info *dyn_i, |
3175 | PTR data) | |
800eeca4 | 3176 | { |
bbe66d08 | 3177 | struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data; |
800eeca4 | 3178 | |
2c4c2bc0 | 3179 | if ((dyn_i->want_got || dyn_i->want_gotx) |
986a241f | 3180 | && !elfNN_ia64_dynamic_symbol_p (dyn_i->h, x->info, 0)) |
800eeca4 JW |
3181 | { |
3182 | dyn_i->got_offset = x->ofs; | |
3183 | x->ofs += 8; | |
3184 | } | |
b34976b6 | 3185 | return TRUE; |
800eeca4 JW |
3186 | } |
3187 | ||
3188 | /* Search for the index of a global symbol in it's defining object file. */ | |
3189 | ||
dc810e39 | 3190 | static long |
eae50df2 | 3191 | global_sym_index (struct elf_link_hash_entry *h) |
800eeca4 JW |
3192 | { |
3193 | struct elf_link_hash_entry **p; | |
3194 | bfd *obj; | |
3195 | ||
3196 | BFD_ASSERT (h->root.type == bfd_link_hash_defined | |
3197 | || h->root.type == bfd_link_hash_defweak); | |
3198 | ||
3199 | obj = h->root.u.def.section->owner; | |
3200 | for (p = elf_sym_hashes (obj); *p != h; ++p) | |
3201 | continue; | |
3202 | ||
3203 | return p - elf_sym_hashes (obj) + elf_tdata (obj)->symtab_hdr.sh_info; | |
3204 | } | |
3205 | ||
3206 | /* Allocate function descriptors. We can do these for every function | |
3207 | in a main executable that is not exported. */ | |
3208 | ||
b34976b6 | 3209 | static bfd_boolean |
eae50df2 | 3210 | allocate_fptr (struct elfNN_ia64_dyn_sym_info *dyn_i, PTR data) |
800eeca4 | 3211 | { |
bbe66d08 | 3212 | struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data; |
800eeca4 JW |
3213 | |
3214 | if (dyn_i->want_fptr) | |
3215 | { | |
3216 | struct elf_link_hash_entry *h = dyn_i->h; | |
3e932841 | 3217 | |
800eeca4 JW |
3218 | if (h) |
3219 | while (h->root.type == bfd_link_hash_indirect | |
3220 | || h->root.type == bfd_link_hash_warning) | |
3221 | h = (struct elf_link_hash_entry *) h->root.u.i.link; | |
3222 | ||
02e6ad56 RH |
3223 | if (!x->info->executable |
3224 | && (!h | |
3225 | || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT | |
1faab634 L |
3226 | || (h->root.type != bfd_link_hash_undefweak |
3227 | && h->root.type != bfd_link_hash_undefined))) | |
800eeca4 JW |
3228 | { |
3229 | if (h && h->dynindx == -1) | |
3230 | { | |
3231 | BFD_ASSERT ((h->root.type == bfd_link_hash_defined) | |
3232 | || (h->root.type == bfd_link_hash_defweak)); | |
3233 | ||
c152c796 | 3234 | if (!bfd_elf_link_record_local_dynamic_symbol |
800eeca4 JW |
3235 | (x->info, h->root.u.def.section->owner, |
3236 | global_sym_index (h))) | |
b34976b6 | 3237 | return FALSE; |
800eeca4 JW |
3238 | } |
3239 | ||
3240 | dyn_i->want_fptr = 0; | |
3241 | } | |
3242 | else if (h == NULL || h->dynindx == -1) | |
3243 | { | |
3244 | dyn_i->fptr_offset = x->ofs; | |
3245 | x->ofs += 16; | |
3246 | } | |
3247 | else | |
3248 | dyn_i->want_fptr = 0; | |
3249 | } | |
b34976b6 | 3250 | return TRUE; |
800eeca4 JW |
3251 | } |
3252 | ||
3253 | /* Allocate all the minimal PLT entries. */ | |
3254 | ||
b34976b6 | 3255 | static bfd_boolean |
eae50df2 L |
3256 | allocate_plt_entries (struct elfNN_ia64_dyn_sym_info *dyn_i, |
3257 | PTR data) | |
800eeca4 | 3258 | { |
bbe66d08 | 3259 | struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data; |
800eeca4 JW |
3260 | |
3261 | if (dyn_i->want_plt) | |
3262 | { | |
3263 | struct elf_link_hash_entry *h = dyn_i->h; | |
3264 | ||
3265 | if (h) | |
3266 | while (h->root.type == bfd_link_hash_indirect | |
3267 | || h->root.type == bfd_link_hash_warning) | |
3268 | h = (struct elf_link_hash_entry *) h->root.u.i.link; | |
3269 | ||
f5385ebf | 3270 | /* ??? Versioned symbols seem to lose NEEDS_PLT. */ |
986a241f | 3271 | if (elfNN_ia64_dynamic_symbol_p (h, x->info, 0)) |
800eeca4 JW |
3272 | { |
3273 | bfd_size_type offset = x->ofs; | |
3274 | if (offset == 0) | |
3275 | offset = PLT_HEADER_SIZE; | |
3276 | dyn_i->plt_offset = offset; | |
3277 | x->ofs = offset + PLT_MIN_ENTRY_SIZE; | |
3278 | ||
3279 | dyn_i->want_pltoff = 1; | |
3280 | } | |
3281 | else | |
3282 | { | |
3283 | dyn_i->want_plt = 0; | |
3284 | dyn_i->want_plt2 = 0; | |
3285 | } | |
3286 | } | |
b34976b6 | 3287 | return TRUE; |
800eeca4 JW |
3288 | } |
3289 | ||
3290 | /* Allocate all the full PLT entries. */ | |
3291 | ||
b34976b6 | 3292 | static bfd_boolean |
eae50df2 L |
3293 | allocate_plt2_entries (struct elfNN_ia64_dyn_sym_info *dyn_i, |
3294 | PTR data) | |
800eeca4 | 3295 | { |
bbe66d08 | 3296 | struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data; |
800eeca4 JW |
3297 | |
3298 | if (dyn_i->want_plt2) | |
3299 | { | |
3300 | struct elf_link_hash_entry *h = dyn_i->h; | |
3301 | bfd_size_type ofs = x->ofs; | |
3302 | ||
3303 | dyn_i->plt2_offset = ofs; | |
3304 | x->ofs = ofs + PLT_FULL_ENTRY_SIZE; | |
3305 | ||
3306 | while (h->root.type == bfd_link_hash_indirect | |
3307 | || h->root.type == bfd_link_hash_warning) | |
3308 | h = (struct elf_link_hash_entry *) h->root.u.i.link; | |
3309 | dyn_i->h->plt.offset = ofs; | |
3310 | } | |
b34976b6 | 3311 | return TRUE; |
800eeca4 JW |
3312 | } |
3313 | ||
3314 | /* Allocate all the PLTOFF entries requested by relocations and | |
3315 | plt entries. We can't share space with allocated FPTR entries, | |
3316 | because the latter are not necessarily addressable by the GP. | |
3317 | ??? Relaxation might be able to determine that they are. */ | |
3318 | ||
b34976b6 | 3319 | static bfd_boolean |
eae50df2 L |
3320 | allocate_pltoff_entries (struct elfNN_ia64_dyn_sym_info *dyn_i, |
3321 | PTR data) | |
800eeca4 | 3322 | { |
bbe66d08 | 3323 | struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data; |
800eeca4 JW |
3324 | |
3325 | if (dyn_i->want_pltoff) | |
3326 | { | |
3327 | dyn_i->pltoff_offset = x->ofs; | |
3328 | x->ofs += 16; | |
3329 | } | |
b34976b6 | 3330 | return TRUE; |
800eeca4 JW |
3331 | } |
3332 | ||
3333 | /* Allocate dynamic relocations for those symbols that turned out | |
3334 | to be dynamic. */ | |
3335 | ||
b34976b6 | 3336 | static bfd_boolean |
eae50df2 L |
3337 | allocate_dynrel_entries (struct elfNN_ia64_dyn_sym_info *dyn_i, |
3338 | PTR data) | |
800eeca4 | 3339 | { |
bbe66d08 JW |
3340 | struct elfNN_ia64_allocate_data *x = (struct elfNN_ia64_allocate_data *)data; |
3341 | struct elfNN_ia64_link_hash_table *ia64_info; | |
3342 | struct elfNN_ia64_dyn_reloc_entry *rent; | |
ef5aade5 | 3343 | bfd_boolean dynamic_symbol, shared, resolved_zero; |
800eeca4 | 3344 | |
bbe66d08 | 3345 | ia64_info = elfNN_ia64_hash_table (x->info); |
986a241f RH |
3346 | |
3347 | /* Note that this can't be used in relation to FPTR relocs below. */ | |
3348 | dynamic_symbol = elfNN_ia64_dynamic_symbol_p (dyn_i->h, x->info, 0); | |
3349 | ||
800eeca4 | 3350 | shared = x->info->shared; |
ef5aade5 L |
3351 | resolved_zero = (dyn_i->h |
3352 | && ELF_ST_VISIBILITY (dyn_i->h->other) | |
3353 | && dyn_i->h->root.type == bfd_link_hash_undefweak); | |
800eeca4 | 3354 | |
4a78a1f4 AS |
3355 | /* Take care of the GOT and PLT relocations. */ |
3356 | ||
3357 | if ((!resolved_zero | |
3358 | && (dynamic_symbol || shared) | |
3359 | && (dyn_i->want_got || dyn_i->want_gotx)) | |
3360 | || (dyn_i->want_ltoff_fptr | |
3361 | && dyn_i->h | |
3362 | && dyn_i->h->dynindx != -1)) | |
3363 | { | |
3364 | if (!dyn_i->want_ltoff_fptr | |
3365 | || !x->info->pie | |
3366 | || dyn_i->h == NULL | |
3367 | || dyn_i->h->root.type != bfd_link_hash_undefweak) | |
cc3bd654 | 3368 | ia64_info->root.srelgot->size += sizeof (ElfNN_External_Rela); |
4a78a1f4 AS |
3369 | } |
3370 | if ((dynamic_symbol || shared) && dyn_i->want_tprel) | |
cc3bd654 | 3371 | ia64_info->root.srelgot->size += sizeof (ElfNN_External_Rela); |
4a78a1f4 | 3372 | if (dynamic_symbol && dyn_i->want_dtpmod) |
cc3bd654 | 3373 | ia64_info->root.srelgot->size += sizeof (ElfNN_External_Rela); |
4a78a1f4 | 3374 | if (dynamic_symbol && dyn_i->want_dtprel) |
cc3bd654 | 3375 | ia64_info->root.srelgot->size += sizeof (ElfNN_External_Rela); |
4a78a1f4 AS |
3376 | |
3377 | if (x->only_got) | |
3378 | return TRUE; | |
3379 | ||
3380 | if (ia64_info->rel_fptr_sec && dyn_i->want_fptr) | |
3381 | { | |
3382 | if (dyn_i->h == NULL || dyn_i->h->root.type != bfd_link_hash_undefweak) | |
3383 | ia64_info->rel_fptr_sec->size += sizeof (ElfNN_External_Rela); | |
3384 | } | |
3385 | ||
3386 | if (!resolved_zero && dyn_i->want_pltoff) | |
3387 | { | |
3388 | bfd_size_type t = 0; | |
3389 | ||
3390 | /* Dynamic symbols get one IPLT relocation. Local symbols in | |
3391 | shared libraries get two REL relocations. Local symbols in | |
3392 | main applications get nothing. */ | |
3393 | if (dynamic_symbol) | |
3394 | t = sizeof (ElfNN_External_Rela); | |
3395 | else if (shared) | |
3396 | t = 2 * sizeof (ElfNN_External_Rela); | |
3397 | ||
3398 | ia64_info->rel_pltoff_sec->size += t; | |
3399 | } | |
3400 | ||
800eeca4 JW |
3401 | /* Take care of the normal data relocations. */ |
3402 | ||
3403 | for (rent = dyn_i->reloc_entries; rent; rent = rent->next) | |
3404 | { | |
18b27f17 RH |
3405 | int count = rent->count; |
3406 | ||
800eeca4 JW |
3407 | switch (rent->type) |
3408 | { | |
5a260b66 | 3409 | case R_IA64_FPTR32LSB: |
800eeca4 | 3410 | case R_IA64_FPTR64LSB: |
9203ba99 JJ |
3411 | /* Allocate one iff !want_fptr and not PIE, which by this point |
3412 | will be true only if we're actually allocating one statically | |
3413 | in the main executable. Position independent executables | |
3414 | need a relative reloc. */ | |
3415 | if (dyn_i->want_fptr && !x->info->pie) | |
800eeca4 JW |
3416 | continue; |
3417 | break; | |
5a260b66 | 3418 | case R_IA64_PCREL32LSB: |
800eeca4 JW |
3419 | case R_IA64_PCREL64LSB: |
3420 | if (!dynamic_symbol) | |
3421 | continue; | |
3422 | break; | |
5a260b66 | 3423 | case R_IA64_DIR32LSB: |
800eeca4 JW |
3424 | case R_IA64_DIR64LSB: |
3425 | if (!dynamic_symbol && !shared) | |
3426 | continue; | |
3427 | break; | |
18b27f17 RH |
3428 | case R_IA64_IPLTLSB: |
3429 | if (!dynamic_symbol && !shared) | |
3430 | continue; | |
3431 | /* Use two REL relocations for IPLT relocations | |
3432 | against local symbols. */ | |
3433 | if (!dynamic_symbol) | |
3434 | count *= 2; | |
3435 | break; | |
5a260b66 | 3436 | case R_IA64_DTPREL32LSB: |
13ae64f3 JJ |
3437 | case R_IA64_TPREL64LSB: |
3438 | case R_IA64_DTPREL64LSB: | |
3439 | case R_IA64_DTPMOD64LSB: | |
3440 | break; | |
18b27f17 RH |
3441 | default: |
3442 | abort (); | |
800eeca4 | 3443 | } |
ac33696c L |
3444 | if (rent->reltext) |
3445 | ia64_info->reltext = 1; | |
eea6121a | 3446 | rent->srel->size += sizeof (ElfNN_External_Rela) * count; |
800eeca4 JW |
3447 | } |
3448 | ||
b34976b6 | 3449 | return TRUE; |
800eeca4 JW |
3450 | } |
3451 | ||
b34976b6 | 3452 | static bfd_boolean |
eae50df2 L |
3453 | elfNN_ia64_adjust_dynamic_symbol (struct bfd_link_info *info ATTRIBUTE_UNUSED, |
3454 | struct elf_link_hash_entry *h) | |
800eeca4 JW |
3455 | { |
3456 | /* ??? Undefined symbols with PLT entries should be re-defined | |
3457 | to be the PLT entry. */ | |
3458 | ||
3459 | /* If this is a weak symbol, and there is a real definition, the | |
3460 | processor independent code will have arranged for us to see the | |
3461 | real definition first, and we can just use the same value. */ | |
f6e332e6 | 3462 | if (h->u.weakdef != NULL) |
800eeca4 | 3463 | { |
f6e332e6 AM |
3464 | BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined |
3465 | || h->u.weakdef->root.type == bfd_link_hash_defweak); | |
3466 | h->root.u.def.section = h->u.weakdef->root.u.def.section; | |
3467 | h->root.u.def.value = h->u.weakdef->root.u.def.value; | |
b34976b6 | 3468 | return TRUE; |
800eeca4 JW |
3469 | } |
3470 | ||
3471 | /* If this is a reference to a symbol defined by a dynamic object which | |
3472 | is not a function, we might allocate the symbol in our .dynbss section | |
3473 | and allocate a COPY dynamic relocation. | |
3474 | ||
3475 | But IA-64 code is canonically PIC, so as a rule we can avoid this sort | |
3476 | of hackery. */ | |
3477 | ||
b34976b6 | 3478 | return TRUE; |
800eeca4 JW |
3479 | } |
3480 | ||
b34976b6 | 3481 | static bfd_boolean |
eae50df2 L |
3482 | elfNN_ia64_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED, |
3483 | struct bfd_link_info *info) | |
800eeca4 | 3484 | { |
bbe66d08 JW |
3485 | struct elfNN_ia64_allocate_data data; |
3486 | struct elfNN_ia64_link_hash_table *ia64_info; | |
800eeca4 JW |
3487 | asection *sec; |
3488 | bfd *dynobj; | |
b34976b6 | 3489 | bfd_boolean relplt = FALSE; |
800eeca4 JW |
3490 | |
3491 | dynobj = elf_hash_table(info)->dynobj; | |
bbe66d08 | 3492 | ia64_info = elfNN_ia64_hash_table (info); |
b3dfd7fe | 3493 | ia64_info->self_dtpmod_offset = (bfd_vma) -1; |
800eeca4 JW |
3494 | BFD_ASSERT(dynobj != NULL); |
3495 | data.info = info; | |
3496 | ||
3497 | /* Set the contents of the .interp section to the interpreter. */ | |
3498 | if (ia64_info->root.dynamic_sections_created | |
36af4a4e | 3499 | && info->executable) |
800eeca4 JW |
3500 | { |
3501 | sec = bfd_get_section_by_name (dynobj, ".interp"); | |
3502 | BFD_ASSERT (sec != NULL); | |
02e6ad56 | 3503 | sec->contents = (bfd_byte *) ELF_DYNAMIC_INTERPRETER; |
eea6121a | 3504 | sec->size = strlen (ELF_DYNAMIC_INTERPRETER) + 1; |
800eeca4 JW |
3505 | } |
3506 | ||
800eeca4 JW |
3507 | /* Allocate the GOT entries. */ |
3508 | ||
cc3bd654 | 3509 | if (ia64_info->root.sgot) |
800eeca4 JW |
3510 | { |
3511 | data.ofs = 0; | |
bbe66d08 JW |
3512 | elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_global_data_got, &data); |
3513 | elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_global_fptr_got, &data); | |
3514 | elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_local_got, &data); | |
cc3bd654 | 3515 | ia64_info->root.sgot->size = data.ofs; |
800eeca4 JW |
3516 | } |
3517 | ||
3518 | /* Allocate the FPTR entries. */ | |
3519 | ||
3520 | if (ia64_info->fptr_sec) | |
3521 | { | |
3522 | data.ofs = 0; | |
bbe66d08 | 3523 | elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_fptr, &data); |
eea6121a | 3524 | ia64_info->fptr_sec->size = data.ofs; |
800eeca4 JW |
3525 | } |
3526 | ||
3527 | /* Now that we've seen all of the input files, we can decide which | |
3528 | symbols need plt entries. Allocate the minimal PLT entries first. | |
b34976b6 | 3529 | We do this even though dynamic_sections_created may be FALSE, because |
800eeca4 JW |
3530 | this has the side-effect of clearing want_plt and want_plt2. */ |
3531 | ||
3532 | data.ofs = 0; | |
bbe66d08 | 3533 | elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_plt_entries, &data); |
800eeca4 JW |
3534 | |
3535 | ia64_info->minplt_entries = 0; | |
3536 | if (data.ofs) | |
3537 | { | |
3538 | ia64_info->minplt_entries | |
3539 | = (data.ofs - PLT_HEADER_SIZE) / PLT_MIN_ENTRY_SIZE; | |
3540 | } | |
3541 | ||
3542 | /* Align the pointer for the plt2 entries. */ | |
dc810e39 | 3543 | data.ofs = (data.ofs + 31) & (bfd_vma) -32; |
800eeca4 | 3544 | |
bbe66d08 | 3545 | elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_plt2_entries, &data); |
a5a58ba4 | 3546 | if (data.ofs != 0 || ia64_info->root.dynamic_sections_created) |
800eeca4 | 3547 | { |
a5a58ba4 L |
3548 | /* FIXME: we always reserve the memory for dynamic linker even if |
3549 | there are no PLT entries since dynamic linker may assume the | |
3550 | reserved memory always exists. */ | |
3551 | ||
800eeca4 JW |
3552 | BFD_ASSERT (ia64_info->root.dynamic_sections_created); |
3553 | ||
cc3bd654 | 3554 | ia64_info->root.splt->size = data.ofs; |
800eeca4 JW |
3555 | |
3556 | /* If we've got a .plt, we need some extra memory for the dynamic | |
3557 | linker. We stuff these in .got.plt. */ | |
3558 | sec = bfd_get_section_by_name (dynobj, ".got.plt"); | |
eea6121a | 3559 | sec->size = 8 * PLT_RESERVED_WORDS; |
800eeca4 JW |
3560 | } |
3561 | ||
3562 | /* Allocate the PLTOFF entries. */ | |
3563 | ||
3564 | if (ia64_info->pltoff_sec) | |
3565 | { | |
3566 | data.ofs = 0; | |
bbe66d08 | 3567 | elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_pltoff_entries, &data); |
eea6121a | 3568 | ia64_info->pltoff_sec->size = data.ofs; |
800eeca4 JW |
3569 | } |
3570 | ||
3571 | if (ia64_info->root.dynamic_sections_created) | |
3572 | { | |
3573 | /* Allocate space for the dynamic relocations that turned out to be | |
3574 | required. */ | |
3575 | ||
b3dfd7fe | 3576 | if (info->shared && ia64_info->self_dtpmod_offset != (bfd_vma) -1) |
cc3bd654 | 3577 | ia64_info->root.srelgot->size += sizeof (ElfNN_External_Rela); |
4a78a1f4 | 3578 | data.only_got = FALSE; |
bbe66d08 | 3579 | elfNN_ia64_dyn_sym_traverse (ia64_info, allocate_dynrel_entries, &data); |
800eeca4 JW |
3580 | } |
3581 | ||
3582 | /* We have now determined the sizes of the various dynamic sections. | |
3583 | Allocate memory for them. */ | |
3584 | for (sec = dynobj->sections; sec != NULL; sec = sec->next) | |
3585 | { | |
b34976b6 | 3586 | bfd_boolean strip; |
800eeca4 JW |
3587 | |
3588 | if (!(sec->flags & SEC_LINKER_CREATED)) | |
3589 | continue; | |
3590 | ||
3591 | /* If we don't need this section, strip it from the output file. | |
3592 | There were several sections primarily related to dynamic | |
3593 | linking that must be create before the linker maps input | |
3594 | sections to output sections. The linker does that before | |
3595 | bfd_elf_size_dynamic_sections is called, and it is that | |
3596 | function which decides whether anything needs to go into | |
3597 | these sections. */ | |
3598 | ||
eea6121a | 3599 | strip = (sec->size == 0); |
800eeca4 | 3600 | |
cc3bd654 | 3601 | if (sec == ia64_info->root.sgot) |
b34976b6 | 3602 | strip = FALSE; |
cc3bd654 | 3603 | else if (sec == ia64_info->root.srelgot) |
800eeca4 JW |
3604 | { |
3605 | if (strip) | |
cc3bd654 | 3606 | ia64_info->root.srelgot = NULL; |
800eeca4 JW |
3607 | else |
3608 | /* We use the reloc_count field as a counter if we need to | |
3609 | copy relocs into the output file. */ | |
3610 | sec->reloc_count = 0; | |
3611 | } | |
3612 | else if (sec == ia64_info->fptr_sec) | |
3613 | { | |
3614 | if (strip) | |
3615 | ia64_info->fptr_sec = NULL; | |
3616 | } | |
55936540 JW |
3617 | else if (sec == ia64_info->rel_fptr_sec) |
3618 | { | |
3619 | if (strip) | |
3620 | ia64_info->rel_fptr_sec = NULL; | |
3621 | else | |
3622 | /* We use the reloc_count field as a counter if we need to | |
3623 | copy relocs into the output file. */ | |
3624 | sec->reloc_count = 0; | |
3625 | } | |
cc3bd654 | 3626 | else if (sec == ia64_info->root.splt) |
800eeca4 JW |
3627 | { |
3628 | if (strip) | |
cc3bd654 | 3629 | ia64_info->root.splt = NULL; |
800eeca4 JW |
3630 | } |
3631 | else if (sec == ia64_info->pltoff_sec) | |
3632 | { | |
3633 | if (strip) | |
3634 | ia64_info->pltoff_sec = NULL; | |
3635 | } | |
3636 | else if (sec == ia64_info->rel_pltoff_sec) | |
3637 | { | |
3638 | if (strip) | |
3639 | ia64_info->rel_pltoff_sec = NULL; | |
3640 | else | |
3641 | { | |
b34976b6 | 3642 | relplt = TRUE; |
800eeca4 JW |
3643 | /* We use the reloc_count field as a counter if we need to |
3644 | copy relocs into the output file. */ | |
3645 | sec->reloc_count = 0; | |
3646 | } | |
3647 | } | |
3648 | else | |
3649 | { | |
3650 | const char *name; | |
3651 | ||
3652 | /* It's OK to base decisions on the section name, because none | |
3653 | of the dynobj section names depend upon the input files. */ | |
3654 | name = bfd_get_section_name (dynobj, sec); | |
3655 | ||
3656 | if (strcmp (name, ".got.plt") == 0) | |
b34976b6 | 3657 | strip = FALSE; |
0112cd26 | 3658 | else if (CONST_STRNEQ (name, ".rel")) |
800eeca4 JW |
3659 | { |
3660 | if (!strip) | |
3661 | { | |
800eeca4 JW |
3662 | /* We use the reloc_count field as a counter if we need to |
3663 | copy relocs into the output file. */ | |
3664 | sec->reloc_count = 0; | |
3665 | } | |
3666 | } | |
3667 | else | |
3668 | continue; | |
3669 | } | |
3670 | ||
3671 | if (strip) | |
8423293d | 3672 | sec->flags |= SEC_EXCLUDE; |
800eeca4 JW |
3673 | else |
3674 | { | |
3675 | /* Allocate memory for the section contents. */ | |
eea6121a AM |
3676 | sec->contents = (bfd_byte *) bfd_zalloc (dynobj, sec->size); |
3677 | if (sec->contents == NULL && sec->size != 0) | |
b34976b6 | 3678 | return FALSE; |
800eeca4 JW |
3679 | } |
3680 | } | |
3681 | ||
3682 | if (elf_hash_table (info)->dynamic_sections_created) | |
3683 | { | |
3684 | /* Add some entries to the .dynamic section. We fill in the values | |
3685 | later (in finish_dynamic_sections) but we must add the entries now | |
3686 | so that we get the correct size for the .dynamic section. */ | |
3687 | ||
36af4a4e | 3688 | if (info->executable) |
800eeca4 JW |
3689 | { |
3690 | /* The DT_DEBUG entry is filled in by the dynamic linker and used | |
3691 | by the debugger. */ | |
dc810e39 | 3692 | #define add_dynamic_entry(TAG, VAL) \ |
5a580b3a | 3693 | _bfd_elf_add_dynamic_entry (info, TAG, VAL) |
dc810e39 AM |
3694 | |
3695 | if (!add_dynamic_entry (DT_DEBUG, 0)) | |
b34976b6 | 3696 | return FALSE; |
800eeca4 JW |
3697 | } |
3698 | ||
dc810e39 | 3699 | if (!add_dynamic_entry (DT_IA_64_PLT_RESERVE, 0)) |
b34976b6 | 3700 | return FALSE; |
dc810e39 | 3701 | if (!add_dynamic_entry (DT_PLTGOT, 0)) |
b34976b6 | 3702 | return FALSE; |
800eeca4 JW |
3703 | |
3704 | if (relplt) | |
3705 | { | |
dc810e39 AM |
3706 | if (!add_dynamic_entry (DT_PLTRELSZ, 0) |
3707 | || !add_dynamic_entry (DT_PLTREL, DT_RELA) | |
3708 | || !add_dynamic_entry (DT_JMPREL, 0)) | |
b34976b6 | 3709 | return FALSE; |
800eeca4 JW |
3710 | } |
3711 | ||
dc810e39 AM |
3712 | if (!add_dynamic_entry (DT_RELA, 0) |
3713 | || !add_dynamic_entry (DT_RELASZ, 0) | |
3714 | || !add_dynamic_entry (DT_RELAENT, sizeof (ElfNN_External_Rela))) | |
b34976b6 | 3715 | return FALSE; |
800eeca4 | 3716 | |
db6751f2 | 3717 | if (ia64_info->reltext) |
800eeca4 | 3718 | { |
dc810e39 | 3719 | if (!add_dynamic_entry (DT_TEXTREL, 0)) |
b34976b6 | 3720 | return FALSE; |
d6cf2879 | 3721 | info->flags |= DF_TEXTREL; |
800eeca4 JW |
3722 | } |
3723 | } | |
3724 | ||
3725 | /* ??? Perhaps force __gp local. */ | |
3726 | ||
b34976b6 | 3727 | return TRUE; |
800eeca4 JW |
3728 | } |
3729 | ||
3730 | static bfd_reloc_status_type | |
eae50df2 L |
3731 | elfNN_ia64_install_value (bfd_byte *hit_addr, bfd_vma v, |
3732 | unsigned int r_type) | |
800eeca4 JW |
3733 | { |
3734 | const struct ia64_operand *op; | |
3735 | int bigendian = 0, shift = 0; | |
b4677f03 AS |
3736 | bfd_vma t0, t1, dword; |
3737 | ia64_insn insn; | |
800eeca4 JW |
3738 | enum ia64_opnd opnd; |
3739 | const char *err; | |
3740 | size_t size = 8; | |
1e738b87 NC |
3741 | #ifdef BFD_HOST_U_64_BIT |
3742 | BFD_HOST_U_64_BIT val = (BFD_HOST_U_64_BIT) v; | |
3743 | #else | |
3744 | bfd_vma val = v; | |
3745 | #endif | |
800eeca4 JW |
3746 | |
3747 | opnd = IA64_OPND_NIL; | |
3748 | switch (r_type) | |
3749 | { | |
3750 | case R_IA64_NONE: | |
3751 | case R_IA64_LDXMOV: | |
3752 | return bfd_reloc_ok; | |
3753 | ||
3e932841 | 3754 | /* Instruction relocations. */ |
800eeca4 | 3755 | |
13ae64f3 JJ |
3756 | case R_IA64_IMM14: |
3757 | case R_IA64_TPREL14: | |
3758 | case R_IA64_DTPREL14: | |
3759 | opnd = IA64_OPND_IMM14; | |
3760 | break; | |
748abff6 | 3761 | |
800eeca4 JW |
3762 | case R_IA64_PCREL21F: opnd = IA64_OPND_TGT25; break; |
3763 | case R_IA64_PCREL21M: opnd = IA64_OPND_TGT25b; break; | |
748abff6 RH |
3764 | case R_IA64_PCREL60B: opnd = IA64_OPND_TGT64; break; |
3765 | case R_IA64_PCREL21B: | |
3766 | case R_IA64_PCREL21BI: | |
3767 | opnd = IA64_OPND_TGT25c; | |
3768 | break; | |
800eeca4 JW |
3769 | |
3770 | case R_IA64_IMM22: | |
3771 | case R_IA64_GPREL22: | |
3772 | case R_IA64_LTOFF22: | |
3773 | case R_IA64_LTOFF22X: | |
3774 | case R_IA64_PLTOFF22: | |
748abff6 | 3775 | case R_IA64_PCREL22: |
800eeca4 | 3776 | case R_IA64_LTOFF_FPTR22: |
13ae64f3 JJ |
3777 | case R_IA64_TPREL22: |
3778 | case R_IA64_DTPREL22: | |
3779 | case R_IA64_LTOFF_TPREL22: | |
3780 | case R_IA64_LTOFF_DTPMOD22: | |
3781 | case R_IA64_LTOFF_DTPREL22: | |
800eeca4 JW |
3782 | opnd = IA64_OPND_IMM22; |
3783 | break; | |
3784 | ||
3785 | case R_IA64_IMM64: | |
3786 | case R_IA64_GPREL64I: | |
3787 | case R_IA64_LTOFF64I: | |
3788 | case R_IA64_PLTOFF64I: | |
748abff6 | 3789 | case R_IA64_PCREL64I: |
800eeca4 JW |
3790 | case R_IA64_FPTR64I: |
3791 | case R_IA64_LTOFF_FPTR64I: | |
13ae64f3 JJ |
3792 | case R_IA64_TPREL64I: |
3793 | case R_IA64_DTPREL64I: | |
800eeca4 JW |
3794 | opnd = IA64_OPND_IMMU64; |
3795 | break; | |
3796 | ||
3797 | /* Data relocations. */ | |
3798 | ||
3799 | case R_IA64_DIR32MSB: | |
3800 | case R_IA64_GPREL32MSB: | |
3801 | case R_IA64_FPTR32MSB: | |
3802 | case R_IA64_PCREL32MSB: | |
a4bd8390 | 3803 | case R_IA64_LTOFF_FPTR32MSB: |
800eeca4 JW |
3804 | case R_IA64_SEGREL32MSB: |
3805 | case R_IA64_SECREL32MSB: | |
3806 | case R_IA64_LTV32MSB: | |
13ae64f3 | 3807 | case R_IA64_DTPREL32MSB: |
800eeca4 JW |
3808 | size = 4; bigendian = 1; |
3809 | break; | |
3810 | ||
3811 | case R_IA64_DIR32LSB: | |
3812 | case R_IA64_GPREL32LSB: | |
3813 | case R_IA64_FPTR32LSB: | |
3814 | case R_IA64_PCREL32LSB: | |
a4bd8390 | 3815 | case R_IA64_LTOFF_FPTR32LSB: |
800eeca4 JW |
3816 | case R_IA64_SEGREL32LSB: |
3817 | case R_IA64_SECREL32LSB: | |
3818 | case R_IA64_LTV32LSB: | |
13ae64f3 | 3819 | case R_IA64_DTPREL32LSB: |
800eeca4 JW |
3820 | size = 4; bigendian = 0; |
3821 | break; | |
3822 | ||
3823 | case R_IA64_DIR64MSB: | |
3824 | case R_IA64_GPREL64MSB: | |
3825 | case R_IA64_PLTOFF64MSB: | |
3826 | case R_IA64_FPTR64MSB: | |
3827 | case R_IA64_PCREL64MSB: | |
3828 | case R_IA64_LTOFF_FPTR64MSB: | |
3829 | case R_IA64_SEGREL64MSB: | |
3830 | case R_IA64_SECREL64MSB: | |
3831 | case R_IA64_LTV64MSB: | |
13ae64f3 JJ |
3832 | case R_IA64_TPREL64MSB: |
3833 | case R_IA64_DTPMOD64MSB: | |
3834 | case R_IA64_DTPREL64MSB: | |
800eeca4 JW |
3835 | size = 8; bigendian = 1; |
3836 | break; | |
3837 | ||
3838 | case R_IA64_DIR64LSB: | |
3839 | case R_IA64_GPREL64LSB: | |
3840 | case R_IA64_PLTOFF64LSB: | |
3841 | case R_IA64_FPTR64LSB: | |
3842 | case R_IA64_PCREL64LSB: | |
3843 | case R_IA64_LTOFF_FPTR64LSB: | |
3844 | case R_IA64_SEGREL64LSB: | |
3845 | case R_IA64_SECREL64LSB: | |
3846 | case R_IA64_LTV64LSB: | |
13ae64f3 JJ |
3847 | case R_IA64_TPREL64LSB: |
3848 | case R_IA64_DTPMOD64LSB: | |
3849 | case R_IA64_DTPREL64LSB: | |
800eeca4 JW |
3850 | size = 8; bigendian = 0; |
3851 | break; | |
3852 | ||
3853 | /* Unsupported / Dynamic relocations. */ | |
800eeca4 JW |
3854 | default: |
3855 | return bfd_reloc_notsupported; | |
3856 | } | |
3857 | ||
3858 | switch (opnd) | |
3859 | { | |
3860 | case IA64_OPND_IMMU64: | |
3861 | hit_addr -= (long) hit_addr & 0x3; | |
bbb268c3 JW |
3862 | t0 = bfd_getl64 (hit_addr); |
3863 | t1 = bfd_getl64 (hit_addr + 8); | |
800eeca4 JW |
3864 | |
3865 | /* tmpl/s: bits 0.. 5 in t0 | |
3866 | slot 0: bits 5..45 in t0 | |
3867 | slot 1: bits 46..63 in t0, bits 0..22 in t1 | |
3868 | slot 2: bits 23..63 in t1 */ | |
3869 | ||
3870 | /* First, clear the bits that form the 64 bit constant. */ | |
3871 | t0 &= ~(0x3ffffLL << 46); | |
3872 | t1 &= ~(0x7fffffLL | |
3873 | | (( (0x07fLL << 13) | (0x1ffLL << 27) | |
3874 | | (0x01fLL << 22) | (0x001LL << 21) | |
3875 | | (0x001LL << 36)) << 23)); | |
3876 | ||
3877 | t0 |= ((val >> 22) & 0x03ffffLL) << 46; /* 18 lsbs of imm41 */ | |
3878 | t1 |= ((val >> 40) & 0x7fffffLL) << 0; /* 23 msbs of imm41 */ | |
3879 | t1 |= ( (((val >> 0) & 0x07f) << 13) /* imm7b */ | |
3880 | | (((val >> 7) & 0x1ff) << 27) /* imm9d */ | |
3881 | | (((val >> 16) & 0x01f) << 22) /* imm5c */ | |
3882 | | (((val >> 21) & 0x001) << 21) /* ic */ | |
3883 | | (((val >> 63) & 0x001) << 36)) << 23; /* i */ | |
3884 | ||
bbb268c3 JW |
3885 | bfd_putl64 (t0, hit_addr); |
3886 | bfd_putl64 (t1, hit_addr + 8); | |
800eeca4 JW |
3887 | break; |
3888 | ||
748abff6 RH |
3889 | case IA64_OPND_TGT64: |
3890 | hit_addr -= (long) hit_addr & 0x3; | |
bbb268c3 JW |
3891 | t0 = bfd_getl64 (hit_addr); |
3892 | t1 = bfd_getl64 (hit_addr + 8); | |
748abff6 RH |
3893 | |
3894 | /* tmpl/s: bits 0.. 5 in t0 | |
3895 | slot 0: bits 5..45 in t0 | |
3896 | slot 1: bits 46..63 in t0, bits 0..22 in t1 | |
3897 | slot 2: bits 23..63 in t1 */ | |
3898 | ||
3899 | /* First, clear the bits that form the 64 bit constant. */ | |
3900 | t0 &= ~(0x3ffffLL << 46); | |
3901 | t1 &= ~(0x7fffffLL | |
3902 | | ((1LL << 36 | 0xfffffLL << 13) << 23)); | |
3903 | ||
3904 | val >>= 4; | |
3905 | t0 |= ((val >> 20) & 0xffffLL) << 2 << 46; /* 16 lsbs of imm39 */ | |
3906 | t1 |= ((val >> 36) & 0x7fffffLL) << 0; /* 23 msbs of imm39 */ | |
3907 | t1 |= ((((val >> 0) & 0xfffffLL) << 13) /* imm20b */ | |
3908 | | (((val >> 59) & 0x1LL) << 36)) << 23; /* i */ | |
3909 | ||
bbb268c3 JW |
3910 | bfd_putl64 (t0, hit_addr); |
3911 | bfd_putl64 (t1, hit_addr + 8); | |
748abff6 RH |
3912 | break; |
3913 | ||
800eeca4 JW |
3914 | default: |
3915 | switch ((long) hit_addr & 0x3) | |
3916 | { | |
3917 | case 0: shift = 5; break; | |
3918 | case 1: shift = 14; hit_addr += 3; break; | |
3919 | case 2: shift = 23; hit_addr += 6; break; | |
3e932841 | 3920 | case 3: return bfd_reloc_notsupported; /* shouldn't happen... */ |
800eeca4 | 3921 | } |
bbb268c3 | 3922 | dword = bfd_getl64 (hit_addr); |
800eeca4 JW |
3923 | insn = (dword >> shift) & 0x1ffffffffffLL; |
3924 | ||
3925 | op = elf64_ia64_operands + opnd; | |
b4677f03 | 3926 | err = (*op->insert) (op, val, &insn); |
800eeca4 JW |
3927 | if (err) |
3928 | return bfd_reloc_overflow; | |
3929 | ||
3930 | dword &= ~(0x1ffffffffffLL << shift); | |
3931 | dword |= (insn << shift); | |
bbb268c3 | 3932 | bfd_putl64 (dword, hit_addr); |
800eeca4 JW |
3933 | break; |
3934 | ||
3935 | case IA64_OPND_NIL: | |
3936 | /* A data relocation. */ | |
3937 | if (bigendian) | |
3938 | if (size == 4) | |
3939 | bfd_putb32 (val, hit_addr); | |
3940 | else | |
3941 | bfd_putb64 (val, hit_addr); | |
3942 | else | |
3943 | if (size == 4) | |
3944 | bfd_putl32 (val, hit_addr); | |
3945 | else | |
3946 | bfd_putl64 (val, hit_addr); | |
3947 | break; | |
3948 | } | |
3949 | ||
3950 | return bfd_reloc_ok; | |
3951 | } | |
3952 | ||
3953 | static void | |
eae50df2 L |
3954 | elfNN_ia64_install_dyn_reloc (bfd *abfd, struct bfd_link_info *info, |
3955 | asection *sec, asection *srel, | |
3956 | bfd_vma offset, unsigned int type, | |
3957 | long dynindx, bfd_vma addend) | |
800eeca4 JW |
3958 | { |
3959 | Elf_Internal_Rela outrel; | |
947216bf | 3960 | bfd_byte *loc; |
800eeca4 | 3961 | |
800eeca4 | 3962 | BFD_ASSERT (dynindx != -1); |
bbe66d08 | 3963 | outrel.r_info = ELFNN_R_INFO (dynindx, type); |
800eeca4 | 3964 | outrel.r_addend = addend; |
c629eae0 | 3965 | outrel.r_offset = _bfd_elf_section_offset (abfd, info, sec, offset); |
99eb2ac8 | 3966 | if (outrel.r_offset >= (bfd_vma) -2) |
800eeca4 | 3967 | { |
c629eae0 JJ |
3968 | /* Run for the hills. We shouldn't be outputting a relocation |
3969 | for this. So do what everyone else does and output a no-op. */ | |
3970 | outrel.r_info = ELFNN_R_INFO (0, R_IA64_NONE); | |
3971 | outrel.r_addend = 0; | |
3972 | outrel.r_offset = 0; | |
800eeca4 | 3973 | } |
99eb2ac8 AM |
3974 | else |
3975 | outrel.r_offset += sec->output_section->vma + sec->output_offset; | |
800eeca4 | 3976 | |
947216bf AM |
3977 | loc = srel->contents; |
3978 | loc += srel->reloc_count++ * sizeof (ElfNN_External_Rela); | |
3979 | bfd_elfNN_swap_reloca_out (abfd, &outrel, loc); | |
eea6121a | 3980 | BFD_ASSERT (sizeof (ElfNN_External_Rela) * srel->reloc_count <= srel->size); |
800eeca4 JW |
3981 | } |
3982 | ||
3983 | /* Store an entry for target address TARGET_ADDR in the linkage table | |
3984 | and return the gp-relative address of the linkage table entry. */ | |
3985 | ||
3986 | static bfd_vma | |
eae50df2 L |
3987 | set_got_entry (bfd *abfd, struct bfd_link_info *info, |
3988 | struct elfNN_ia64_dyn_sym_info *dyn_i, | |
3989 | long dynindx, bfd_vma addend, bfd_vma value, | |
3990 | unsigned int dyn_r_type) | |
800eeca4 | 3991 | { |
bbe66d08 | 3992 | struct elfNN_ia64_link_hash_table *ia64_info; |
800eeca4 | 3993 | asection *got_sec; |
b34976b6 | 3994 | bfd_boolean done; |
13ae64f3 | 3995 | bfd_vma got_offset; |
800eeca4 | 3996 | |
bbe66d08 | 3997 | ia64_info = elfNN_ia64_hash_table (info); |
cc3bd654 | 3998 | got_sec = ia64_info->root.sgot; |
800eeca4 | 3999 | |
13ae64f3 | 4000 | switch (dyn_r_type) |
800eeca4 | 4001 | { |
13ae64f3 JJ |
4002 | case R_IA64_TPREL64LSB: |
4003 | done = dyn_i->tprel_done; | |
b34976b6 | 4004 | dyn_i->tprel_done = TRUE; |
13ae64f3 JJ |
4005 | got_offset = dyn_i->tprel_offset; |
4006 | break; | |
4007 | case R_IA64_DTPMOD64LSB: | |
b3dfd7fe JJ |
4008 | if (dyn_i->dtpmod_offset != ia64_info->self_dtpmod_offset) |
4009 | { | |
4010 | done = dyn_i->dtpmod_done; | |
4011 | dyn_i->dtpmod_done = TRUE; | |
4012 | } | |
4013 | else | |
4014 | { | |
4015 | done = ia64_info->self_dtpmod_done; | |
4016 | ia64_info->self_dtpmod_done = TRUE; | |
4017 | dynindx = 0; | |
4018 | } | |
13ae64f3 JJ |
4019 | got_offset = dyn_i->dtpmod_offset; |
4020 | break; | |
5a260b66 | 4021 | case R_IA64_DTPREL32LSB: |
13ae64f3 JJ |
4022 | case R_IA64_DTPREL64LSB: |
4023 | done = dyn_i->dtprel_done; | |
b34976b6 | 4024 | dyn_i->dtprel_done = TRUE; |
13ae64f3 JJ |
4025 | got_offset = dyn_i->dtprel_offset; |
4026 | break; | |
4027 | default: | |
4028 | done = dyn_i->got_done; | |
b34976b6 | 4029 | dyn_i->got_done = TRUE; |
13ae64f3 JJ |
4030 | got_offset = dyn_i->got_offset; |
4031 | break; | |
4032 | } | |
800eeca4 | 4033 | |
13ae64f3 JJ |
4034 | BFD_ASSERT ((got_offset & 7) == 0); |
4035 | ||
4036 | if (! done) | |
4037 | { | |
800eeca4 | 4038 | /* Store the target address in the linkage table entry. */ |
13ae64f3 | 4039 | bfd_put_64 (abfd, value, got_sec->contents + got_offset); |
800eeca4 JW |
4040 | |
4041 | /* Install a dynamic relocation if needed. */ | |
9203ba99 JJ |
4042 | if (((info->shared |
4043 | && (!dyn_i->h | |
4044 | || ELF_ST_VISIBILITY (dyn_i->h->other) == STV_DEFAULT | |
4045 | || dyn_i->h->root.type != bfd_link_hash_undefweak) | |
5a260b66 | 4046 | && dyn_r_type != R_IA64_DTPREL32LSB |
9203ba99 | 4047 | && dyn_r_type != R_IA64_DTPREL64LSB) |
986a241f | 4048 | || elfNN_ia64_dynamic_symbol_p (dyn_i->h, info, dyn_r_type) |
5a260b66 L |
4049 | || (dynindx != -1 |
4050 | && (dyn_r_type == R_IA64_FPTR32LSB | |
4051 | || dyn_r_type == R_IA64_FPTR64LSB))) | |
9203ba99 JJ |
4052 | && (!dyn_i->want_ltoff_fptr |
4053 | || !info->pie | |
4054 | || !dyn_i->h | |
4055 | || dyn_i->h->root.type != bfd_link_hash_undefweak)) | |
800eeca4 | 4056 | { |
13ae64f3 JJ |
4057 | if (dynindx == -1 |
4058 | && dyn_r_type != R_IA64_TPREL64LSB | |
4059 | && dyn_r_type != R_IA64_DTPMOD64LSB | |
5a260b66 | 4060 | && dyn_r_type != R_IA64_DTPREL32LSB |
13ae64f3 | 4061 | && dyn_r_type != R_IA64_DTPREL64LSB) |
800eeca4 | 4062 | { |
5a260b66 | 4063 | dyn_r_type = R_IA64_RELNNLSB; |
800eeca4 JW |
4064 | dynindx = 0; |
4065 | addend = value; | |
4066 | } | |
4067 | ||
4068 | if (bfd_big_endian (abfd)) | |
4069 | { | |
4070 | switch (dyn_r_type) | |
4071 | { | |
5a260b66 L |
4072 | case R_IA64_REL32LSB: |
4073 | dyn_r_type = R_IA64_REL32MSB; | |
4074 | break; | |
4075 | case R_IA64_DIR32LSB: | |
4076 | dyn_r_type = R_IA64_DIR32MSB; | |
4077 | break; | |
4078 | case R_IA64_FPTR32LSB: | |
4079 | dyn_r_type = R_IA64_FPTR32MSB; | |
4080 | break; | |
4081 | case R_IA64_DTPREL32LSB: | |
4082 | dyn_r_type = R_IA64_DTPREL32MSB; | |
4083 | break; | |
800eeca4 JW |
4084 | case R_IA64_REL64LSB: |
4085 | dyn_r_type = R_IA64_REL64MSB; | |
4086 | break; | |
4087 | case R_IA64_DIR64LSB: | |
4088 | dyn_r_type = R_IA64_DIR64MSB; | |
4089 | break; | |
4090 | case R_IA64_FPTR64LSB: | |
4091 | dyn_r_type = R_IA64_FPTR64MSB; | |
4092 | break; | |
13ae64f3 JJ |
4093 | case R_IA64_TPREL64LSB: |
4094 | dyn_r_type = R_IA64_TPREL64MSB; | |
4095 | break; | |
4096 | case R_IA64_DTPMOD64LSB: | |
4097 | dyn_r_type = R_IA64_DTPMOD64MSB; | |
4098 | break; | |
4099 | case R_IA64_DTPREL64LSB: | |
4100 | dyn_r_type = R_IA64_DTPREL64MSB; | |
4101 | break; | |
800eeca4 | 4102 | default: |
b34976b6 | 4103 | BFD_ASSERT (FALSE); |
800eeca4 JW |
4104 | break; |
4105 | } | |
4106 | } | |
4107 | ||
bbe66d08 | 4108 | elfNN_ia64_install_dyn_reloc (abfd, NULL, got_sec, |
cc3bd654 | 4109 | ia64_info->root.srelgot, |
13ae64f3 | 4110 | got_offset, dyn_r_type, |
800eeca4 JW |
4111 | dynindx, addend); |
4112 | } | |
4113 | } | |
4114 | ||
4115 | /* Return the address of the linkage table entry. */ | |
4116 | value = (got_sec->output_section->vma | |
4117 | + got_sec->output_offset | |
13ae64f3 | 4118 | + got_offset); |
800eeca4 JW |
4119 | |
4120 | return value; | |
4121 | } | |
4122 | ||
4123 | /* Fill in a function descriptor consisting of the function's code | |
4124 | address and its global pointer. Return the descriptor's address. */ | |
4125 | ||
4126 | static bfd_vma | |
eae50df2 L |
4127 | set_fptr_entry (bfd *abfd, struct bfd_link_info *info, |
4128 | struct elfNN_ia64_dyn_sym_info *dyn_i, | |
4129 | bfd_vma value) | |
800eeca4 | 4130 | { |
bbe66d08 | 4131 | struct elfNN_ia64_link_hash_table *ia64_info; |
800eeca4 JW |
4132 | asection *fptr_sec; |
4133 | ||
bbe66d08 | 4134 | ia64_info = elfNN_ia64_hash_table (info); |
800eeca4 JW |
4135 | fptr_sec = ia64_info->fptr_sec; |
4136 | ||
4137 | if (!dyn_i->fptr_done) | |
4138 | { | |
4139 | dyn_i->fptr_done = 1; | |
4140 | ||
4141 | /* Fill in the function descriptor. */ | |
4142 | bfd_put_64 (abfd, value, fptr_sec->contents + dyn_i->fptr_offset); | |
4143 | bfd_put_64 (abfd, _bfd_get_gp_value (abfd), | |
4144 | fptr_sec->contents + dyn_i->fptr_offset + 8); | |
9203ba99 JJ |
4145 | if (ia64_info->rel_fptr_sec) |
4146 | { | |
4147 | Elf_Internal_Rela outrel; | |
4148 | bfd_byte *loc; | |
4149 | ||
4150 | if (bfd_little_endian (abfd)) | |
4151 | outrel.r_info = ELFNN_R_INFO (0, R_IA64_IPLTLSB); | |
4152 | else | |
4153 | outrel.r_info = ELFNN_R_INFO (0, R_IA64_IPLTMSB); | |
4154 | outrel.r_addend = value; | |
4155 | outrel.r_offset = (fptr_sec->output_section->vma | |
4156 | + fptr_sec->output_offset | |
4157 | + dyn_i->fptr_offset); | |
4158 | loc = ia64_info->rel_fptr_sec->contents; | |
4159 | loc += ia64_info->rel_fptr_sec->reloc_count++ | |
4160 | * sizeof (ElfNN_External_Rela); | |
4161 | bfd_elfNN_swap_reloca_out (abfd, &outrel, loc); | |
4162 | } | |
800eeca4 JW |
4163 | } |
4164 | ||
4165 | /* Return the descriptor's address. */ | |
4166 | value = (fptr_sec->output_section->vma | |
4167 | + fptr_sec->output_offset | |
4168 | + dyn_i->fptr_offset); | |
4169 | ||
4170 | return value; | |
4171 | } | |
4172 | ||
4173 | /* Fill in a PLTOFF entry consisting of the function's code address | |
4174 | and its global pointer. Return the descriptor's address. */ | |
4175 | ||
4176 | static bfd_vma | |
eae50df2 L |
4177 | set_pltoff_entry (bfd *abfd, struct bfd_link_info *info, |
4178 | struct elfNN_ia64_dyn_sym_info *dyn_i, | |
4179 | bfd_vma value, bfd_boolean is_plt) | |
800eeca4 | 4180 | { |
bbe66d08 | 4181 | struct elfNN_ia64_link_hash_table *ia64_info; |
800eeca4 JW |
4182 | asection *pltoff_sec; |
4183 | ||
bbe66d08 | 4184 | ia64_info = elfNN_ia64_hash_table (info); |
800eeca4 JW |
4185 | pltoff_sec = ia64_info->pltoff_sec; |
4186 | ||
4187 | /* Don't do anything if this symbol uses a real PLT entry. In | |
4188 | that case, we'll fill this in during finish_dynamic_symbol. */ | |
4189 | if ((! dyn_i->want_plt || is_plt) | |
4190 | && !dyn_i->pltoff_done) | |
4191 | { | |
18b27f17 RH |
4192 | bfd_vma gp = _bfd_get_gp_value (abfd); |
4193 | ||
800eeca4 JW |
4194 | /* Fill in the function descriptor. */ |
4195 | bfd_put_64 (abfd, value, pltoff_sec->contents + dyn_i->pltoff_offset); | |
18b27f17 | 4196 | bfd_put_64 (abfd, gp, pltoff_sec->contents + dyn_i->pltoff_offset + 8); |
800eeca4 JW |
4197 | |
4198 | /* Install dynamic relocations if needed. */ | |
ef5aade5 L |
4199 | if (!is_plt |
4200 | && info->shared | |
4201 | && (!dyn_i->h | |
4202 | || ELF_ST_VISIBILITY (dyn_i->h->other) == STV_DEFAULT | |
4203 | || dyn_i->h->root.type != bfd_link_hash_undefweak)) | |
800eeca4 JW |
4204 | { |
4205 | unsigned int dyn_r_type; | |
4206 | ||
4207 | if (bfd_big_endian (abfd)) | |
5a260b66 | 4208 | dyn_r_type = R_IA64_RELNNMSB; |
800eeca4 | 4209 | else |
5a260b66 | 4210 | dyn_r_type = R_IA64_RELNNLSB; |
800eeca4 | 4211 | |
bbe66d08 | 4212 | elfNN_ia64_install_dyn_reloc (abfd, NULL, pltoff_sec, |
800eeca4 JW |
4213 | ia64_info->rel_pltoff_sec, |
4214 | dyn_i->pltoff_offset, | |
18b27f17 | 4215 | dyn_r_type, 0, value); |
bbe66d08 | 4216 | elfNN_ia64_install_dyn_reloc (abfd, NULL, pltoff_sec, |
800eeca4 | 4217 | ia64_info->rel_pltoff_sec, |
5a260b66 | 4218 | dyn_i->pltoff_offset + ARCH_SIZE / 8, |
18b27f17 | 4219 | dyn_r_type, 0, gp); |
800eeca4 JW |
4220 | } |
4221 | ||
4222 | dyn_i->pltoff_done = 1; | |
4223 | } | |
4224 | ||
4225 | /* Return the descriptor's address. */ | |
4226 | value = (pltoff_sec->output_section->vma | |
4227 | + pltoff_sec->output_offset | |
4228 | + dyn_i->pltoff_offset); | |
4229 | ||
4230 | return value; | |
4231 | } | |
4232 | ||
13ae64f3 JJ |
4233 | /* Return the base VMA address which should be subtracted from real addresses |
4234 | when resolving @tprel() relocation. | |
4235 | Main program TLS (whose template starts at PT_TLS p_vaddr) | |
5a260b66 | 4236 | is assigned offset round(2 * size of pointer, PT_TLS p_align). */ |
13ae64f3 JJ |
4237 | |
4238 | static bfd_vma | |
eae50df2 | 4239 | elfNN_ia64_tprel_base (struct bfd_link_info *info) |
13ae64f3 | 4240 | { |
e1918d23 | 4241 | asection *tls_sec = elf_hash_table (info)->tls_sec; |
5a260b66 L |
4242 | return tls_sec->vma - align_power ((bfd_vma) ARCH_SIZE / 4, |
4243 | tls_sec->alignment_power); | |
13ae64f3 JJ |
4244 | } |
4245 | ||
4246 | /* Return the base VMA address which should be subtracted from real addresses | |
4247 | when resolving @dtprel() relocation. | |
4248 | This is PT_TLS segment p_vaddr. */ | |
4249 | ||
4250 | static bfd_vma | |
eae50df2 | 4251 | elfNN_ia64_dtprel_base (struct bfd_link_info *info) |
13ae64f3 | 4252 | { |
e1918d23 | 4253 | return elf_hash_table (info)->tls_sec->vma; |
13ae64f3 JJ |
4254 | } |
4255 | ||
f3b6f7c3 | 4256 | /* Called through qsort to sort the .IA_64.unwind section during a |
bbe66d08 | 4257 | non-relocatable link. Set elfNN_ia64_unwind_entry_compare_bfd |
f3b6f7c3 RH |
4258 | to the output bfd so we can do proper endianness frobbing. */ |
4259 | ||
bbe66d08 | 4260 | static bfd *elfNN_ia64_unwind_entry_compare_bfd; |
f3b6f7c3 RH |
4261 | |
4262 | static int | |
eae50df2 | 4263 | elfNN_ia64_unwind_entry_compare (const PTR a, const PTR b) |
f3b6f7c3 RH |
4264 | { |
4265 | bfd_vma av, bv; | |
4266 | ||
bbe66d08 JW |
4267 | av = bfd_get_64 (elfNN_ia64_unwind_entry_compare_bfd, a); |
4268 | bv = bfd_get_64 (elfNN_ia64_unwind_entry_compare_bfd, b); | |
f3b6f7c3 RH |
4269 | |
4270 | return (av < bv ? -1 : av > bv ? 1 : 0); | |
4271 | } | |
4272 | ||
2c4c2bc0 | 4273 | /* Make sure we've got ourselves a nice fat __gp value. */ |
b34976b6 | 4274 | static bfd_boolean |
eae50df2 | 4275 | elfNN_ia64_choose_gp (bfd *abfd, struct bfd_link_info *info) |
800eeca4 | 4276 | { |
2c4c2bc0 RH |
4277 | bfd_vma min_vma = (bfd_vma) -1, max_vma = 0; |
4278 | bfd_vma min_short_vma = min_vma, max_short_vma = 0; | |
4279 | struct elf_link_hash_entry *gp; | |
4280 | bfd_vma gp_val; | |
4281 | asection *os; | |
bbe66d08 | 4282 | struct elfNN_ia64_link_hash_table *ia64_info; |
9a951beb | 4283 | |
bbe66d08 | 4284 | ia64_info = elfNN_ia64_hash_table (info); |
800eeca4 | 4285 | |
2c4c2bc0 RH |
4286 | /* Find the min and max vma of all sections marked short. Also collect |
4287 | min and max vma of any type, for use in selecting a nice gp. */ | |
4288 | for (os = abfd->sections; os ; os = os->next) | |
800eeca4 | 4289 | { |
2c4c2bc0 | 4290 | bfd_vma lo, hi; |
800eeca4 | 4291 | |
2c4c2bc0 RH |
4292 | if ((os->flags & SEC_ALLOC) == 0) |
4293 | continue; | |
4294 | ||
4295 | lo = os->vma; | |
f72c3e6b | 4296 | hi = os->vma + (os->rawsize ? os->rawsize : os->size); |
2c4c2bc0 RH |
4297 | if (hi < lo) |
4298 | hi = (bfd_vma) -1; | |
4299 | ||
4300 | if (min_vma > lo) | |
4301 | min_vma = lo; | |
4302 | if (max_vma < hi) | |
4303 | max_vma = hi; | |
4304 | if (os->flags & SEC_SMALL_DATA) | |
800eeca4 | 4305 | { |
2c4c2bc0 RH |
4306 | if (min_short_vma > lo) |
4307 | min_short_vma = lo; | |
4308 | if (max_short_vma < hi) | |
4309 | max_short_vma = hi; | |
4310 | } | |
4311 | } | |
800eeca4 | 4312 | |
a231ddc0 L |
4313 | if (ia64_info->min_short_sec) |
4314 | { | |
4315 | if (min_short_vma | |
affb4bf3 | 4316 | > (ia64_info->min_short_sec->vma |
a231ddc0 | 4317 | + ia64_info->min_short_offset)) |
affb4bf3 | 4318 | min_short_vma = (ia64_info->min_short_sec->vma |
a231ddc0 L |
4319 | + ia64_info->min_short_offset); |
4320 | if (max_short_vma | |
affb4bf3 | 4321 | < (ia64_info->max_short_sec->vma |
a231ddc0 | 4322 | + ia64_info->max_short_offset)) |
affb4bf3 | 4323 | max_short_vma = (ia64_info->max_short_sec->vma |
a231ddc0 L |
4324 | + ia64_info->max_short_offset); |
4325 | } | |
4326 | ||
2c4c2bc0 RH |
4327 | /* See if the user wants to force a value. */ |
4328 | gp = elf_link_hash_lookup (elf_hash_table (info), "__gp", FALSE, | |
4329 | FALSE, FALSE); | |
800eeca4 | 4330 | |
2c4c2bc0 RH |
4331 | if (gp |
4332 | && (gp->root.type == bfd_link_hash_defined | |
4333 | || gp->root.type == bfd_link_hash_defweak)) | |
4334 | { | |
4335 | asection *gp_sec = gp->root.u.def.section; | |
4336 | gp_val = (gp->root.u.def.value | |
4337 | + gp_sec->output_section->vma | |
4338 | + gp_sec->output_offset); | |
4339 | } | |
4340 | else | |
4341 | { | |
4342 | /* Pick a sensible value. */ | |
800eeca4 | 4343 | |
a231ddc0 L |
4344 | if (ia64_info->min_short_sec) |
4345 | { | |
4346 | bfd_vma short_range = max_short_vma - min_short_vma; | |
2c4c2bc0 | 4347 | |
a231ddc0 L |
4348 | /* If min_short_sec is set, pick one in the middle bewteen |
4349 | min_short_vma and max_short_vma. */ | |
4350 | if (short_range >= 0x400000) | |
4351 | goto overflow; | |
4352 | gp_val = min_short_vma + short_range / 2; | |
4353 | } | |
6d2cf7d8 | 4354 | else |
a231ddc0 L |
4355 | { |
4356 | asection *got_sec = ia64_info->root.sgot; | |
4357 | ||
4358 | /* Start with just the address of the .got. */ | |
4359 | if (got_sec) | |
4360 | gp_val = got_sec->output_section->vma; | |
4361 | else if (max_short_vma != 0) | |
4362 | gp_val = min_short_vma; | |
4363 | else if (max_vma - min_vma < 0x200000) | |
4364 | gp_val = min_vma; | |
4365 | else | |
4366 | gp_val = max_vma - 0x200000 + 8; | |
4367 | } | |
2c4c2bc0 RH |
4368 | |
4369 | /* If it is possible to address the entire image, but we | |
4370 | don't with the choice above, adjust. */ | |
4371 | if (max_vma - min_vma < 0x400000 | |
6d2cf7d8 L |
4372 | && (max_vma - gp_val >= 0x200000 |
4373 | || gp_val - min_vma > 0x200000)) | |
2c4c2bc0 RH |
4374 | gp_val = min_vma + 0x200000; |
4375 | else if (max_short_vma != 0) | |
4376 | { | |
4377 | /* If we don't cover all the short data, adjust. */ | |
4378 | if (max_short_vma - gp_val >= 0x200000) | |
4379 | gp_val = min_short_vma + 0x200000; | |
4380 | ||
4381 | /* If we're addressing stuff past the end, adjust back. */ | |
4382 | if (gp_val > max_vma) | |
4383 | gp_val = max_vma - 0x200000 + 8; | |
800eeca4 | 4384 | } |
2c4c2bc0 | 4385 | } |
800eeca4 | 4386 | |
2c4c2bc0 RH |
4387 | /* Validate whether all SHF_IA_64_SHORT sections are within |
4388 | range of the chosen GP. */ | |
800eeca4 | 4389 | |
2c4c2bc0 RH |
4390 | if (max_short_vma != 0) |
4391 | { | |
4392 | if (max_short_vma - min_short_vma >= 0x400000) | |
800eeca4 | 4393 | { |
a231ddc0 | 4394 | overflow: |
2c4c2bc0 RH |
4395 | (*_bfd_error_handler) |
4396 | (_("%s: short data segment overflowed (0x%lx >= 0x400000)"), | |
4397 | bfd_get_filename (abfd), | |
4398 | (unsigned long) (max_short_vma - min_short_vma)); | |
4399 | return FALSE; | |
800eeca4 | 4400 | } |
2c4c2bc0 RH |
4401 | else if ((gp_val > min_short_vma |
4402 | && gp_val - min_short_vma > 0x200000) | |
4403 | || (gp_val < max_short_vma | |
4404 | && max_short_vma - gp_val >= 0x200000)) | |
800eeca4 | 4405 | { |
2c4c2bc0 RH |
4406 | (*_bfd_error_handler) |
4407 | (_("%s: __gp does not cover short data segment"), | |
4408 | bfd_get_filename (abfd)); | |
4409 | return FALSE; | |
4410 | } | |
4411 | } | |
800eeca4 | 4412 | |
2c4c2bc0 | 4413 | _bfd_set_gp_value (abfd, gp_val); |
800eeca4 | 4414 | |
2c4c2bc0 RH |
4415 | return TRUE; |
4416 | } | |
800eeca4 | 4417 | |
2c4c2bc0 | 4418 | static bfd_boolean |
eae50df2 | 4419 | elfNN_ia64_final_link (bfd *abfd, struct bfd_link_info *info) |
2c4c2bc0 RH |
4420 | { |
4421 | struct elfNN_ia64_link_hash_table *ia64_info; | |
4422 | asection *unwind_output_sec; | |
800eeca4 | 4423 | |
2c4c2bc0 | 4424 | ia64_info = elfNN_ia64_hash_table (info); |
800eeca4 | 4425 | |
2c4c2bc0 | 4426 | /* Make sure we've got ourselves a nice fat __gp value. */ |
1049f94e | 4427 | if (!info->relocatable) |
2c4c2bc0 | 4428 | { |
a38a2e96 | 4429 | bfd_vma gp_val; |
2c4c2bc0 RH |
4430 | struct elf_link_hash_entry *gp; |
4431 | ||
a38a2e96 L |
4432 | /* We assume after gp is set, section size will only decrease. We |
4433 | need to adjust gp for it. */ | |
4434 | _bfd_set_gp_value (abfd, 0); | |
4435 | if (! elfNN_ia64_choose_gp (abfd, info)) | |
4436 | return FALSE; | |
4437 | gp_val = _bfd_get_gp_value (abfd); | |
800eeca4 | 4438 | |
2c4c2bc0 RH |
4439 | gp = elf_link_hash_lookup (elf_hash_table (info), "__gp", FALSE, |
4440 | FALSE, FALSE); | |
b4adccfd RH |
4441 | if (gp) |
4442 | { | |
4443 | gp->root.type = bfd_link_hash_defined; | |
4444 | gp->root.u.def.value = gp_val; | |
4445 | gp->root.u.def.section = bfd_abs_section_ptr; | |
4446 | } | |
800eeca4 JW |
4447 | } |
4448 | ||
f3b6f7c3 | 4449 | /* If we're producing a final executable, we need to sort the contents |
9a951beb RH |
4450 | of the .IA_64.unwind section. Force this section to be relocated |
4451 | into memory rather than written immediately to the output file. */ | |
4452 | unwind_output_sec = NULL; | |
1049f94e | 4453 | if (!info->relocatable) |
f3b6f7c3 RH |
4454 | { |
4455 | asection *s = bfd_get_section_by_name (abfd, ELF_STRING_ia64_unwind); | |
4456 | if (s) | |
4457 | { | |
9a951beb RH |
4458 | unwind_output_sec = s->output_section; |
4459 | unwind_output_sec->contents | |
eea6121a | 4460 | = bfd_malloc (unwind_output_sec->size); |
9a951beb | 4461 | if (unwind_output_sec->contents == NULL) |
b34976b6 | 4462 | return FALSE; |
9a951beb RH |
4463 | } |
4464 | } | |
f3b6f7c3 | 4465 | |
9a951beb | 4466 | /* Invoke the regular ELF backend linker to do all the work. */ |
c152c796 | 4467 | if (!bfd_elf_final_link (abfd, info)) |
b34976b6 | 4468 | return FALSE; |
f3b6f7c3 | 4469 | |
9a951beb RH |
4470 | if (unwind_output_sec) |
4471 | { | |
4472 | elfNN_ia64_unwind_entry_compare_bfd = abfd; | |
dc810e39 | 4473 | qsort (unwind_output_sec->contents, |
eea6121a | 4474 | (size_t) (unwind_output_sec->size / 24), |
dc810e39 AM |
4475 | 24, |
4476 | elfNN_ia64_unwind_entry_compare); | |
9a951beb RH |
4477 | |
4478 | if (! bfd_set_section_contents (abfd, unwind_output_sec, | |
dc810e39 | 4479 | unwind_output_sec->contents, (bfd_vma) 0, |
eea6121a | 4480 | unwind_output_sec->size)) |
b34976b6 | 4481 | return FALSE; |
f3b6f7c3 RH |
4482 | } |
4483 | ||
b34976b6 | 4484 | return TRUE; |
800eeca4 JW |
4485 | } |
4486 | ||
b34976b6 | 4487 | static bfd_boolean |
eae50df2 L |
4488 | elfNN_ia64_relocate_section (bfd *output_bfd, |
4489 | struct bfd_link_info *info, | |
4490 | bfd *input_bfd, | |
4491 | asection *input_section, | |
4492 | bfd_byte *contents, | |
4493 | Elf_Internal_Rela *relocs, | |
4494 | Elf_Internal_Sym *local_syms, | |
4495 | asection **local_sections) | |
800eeca4 | 4496 | { |
bbe66d08 | 4497 | struct elfNN_ia64_link_hash_table *ia64_info; |
800eeca4 JW |
4498 | Elf_Internal_Shdr *symtab_hdr; |
4499 | Elf_Internal_Rela *rel; | |
4500 | Elf_Internal_Rela *relend; | |
4501 | asection *srel; | |
b34976b6 | 4502 | bfd_boolean ret_val = TRUE; /* for non-fatal errors */ |
800eeca4 JW |
4503 | bfd_vma gp_val; |
4504 | ||
4505 | symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr; | |
bbe66d08 | 4506 | ia64_info = elfNN_ia64_hash_table (info); |
800eeca4 JW |
4507 | |
4508 | /* Infect various flags from the input section to the output section. */ | |
1049f94e | 4509 | if (info->relocatable) |
800eeca4 JW |
4510 | { |
4511 | bfd_vma flags; | |
4512 | ||
4513 | flags = elf_section_data(input_section)->this_hdr.sh_flags; | |
4514 | flags &= SHF_IA_64_NORECOV; | |
4515 | ||
4516 | elf_section_data(input_section->output_section) | |
4517 | ->this_hdr.sh_flags |= flags; | |
4518 | } | |
4519 | ||
4520 | gp_val = _bfd_get_gp_value (output_bfd); | |
b34976b6 | 4521 | srel = get_reloc_section (input_bfd, ia64_info, input_section, FALSE); |
800eeca4 JW |
4522 | |
4523 | rel = relocs; | |
4524 | relend = relocs + input_section->reloc_count; | |
4525 | for (; rel < relend; ++rel) | |
4526 | { | |
4527 | struct elf_link_hash_entry *h; | |
bbe66d08 | 4528 | struct elfNN_ia64_dyn_sym_info *dyn_i; |
800eeca4 JW |
4529 | bfd_reloc_status_type r; |
4530 | reloc_howto_type *howto; | |
4531 | unsigned long r_symndx; | |
4532 | Elf_Internal_Sym *sym; | |
4533 | unsigned int r_type; | |
4534 | bfd_vma value; | |
4535 | asection *sym_sec; | |
4536 | bfd_byte *hit_addr; | |
b34976b6 AM |
4537 | bfd_boolean dynamic_symbol_p; |
4538 | bfd_boolean undef_weak_ref; | |
800eeca4 | 4539 | |
bbe66d08 | 4540 | r_type = ELFNN_R_TYPE (rel->r_info); |
800eeca4 JW |
4541 | if (r_type > R_IA64_MAX_RELOC_CODE) |
4542 | { | |
4543 | (*_bfd_error_handler) | |
d003868e AM |
4544 | (_("%B: unknown relocation type %d"), |
4545 | input_bfd, (int) r_type); | |
800eeca4 | 4546 | bfd_set_error (bfd_error_bad_value); |
b34976b6 | 4547 | ret_val = FALSE; |
800eeca4 JW |
4548 | continue; |
4549 | } | |
b491616a | 4550 | |
800eeca4 | 4551 | howto = lookup_howto (r_type); |
bbe66d08 | 4552 | r_symndx = ELFNN_R_SYM (rel->r_info); |
800eeca4 JW |
4553 | h = NULL; |
4554 | sym = NULL; | |
4555 | sym_sec = NULL; | |
b34976b6 | 4556 | undef_weak_ref = FALSE; |
800eeca4 JW |
4557 | |
4558 | if (r_symndx < symtab_hdr->sh_info) | |
4559 | { | |
4560 | /* Reloc against local symbol. */ | |
8517fae7 | 4561 | asection *msec; |
800eeca4 JW |
4562 | sym = local_syms + r_symndx; |
4563 | sym_sec = local_sections[r_symndx]; | |
8517fae7 AM |
4564 | msec = sym_sec; |
4565 | value = _bfd_elf_rela_local_sym (output_bfd, sym, &msec, rel); | |
ab96bf03 AM |
4566 | if (!info->relocatable |
4567 | && (sym_sec->flags & SEC_MERGE) != 0 | |
f7460f5f | 4568 | && ELF_ST_TYPE (sym->st_info) == STT_SECTION |
68bfbfcc | 4569 | && sym_sec->sec_info_type == ELF_INFO_TYPE_MERGE) |
f7460f5f JJ |
4570 | { |
4571 | struct elfNN_ia64_local_hash_entry *loc_h; | |
b34976b6 AM |
4572 | |
4573 | loc_h = get_local_sym_hash (ia64_info, input_bfd, rel, FALSE); | |
f7460f5f JJ |
4574 | if (loc_h && ! loc_h->sec_merge_done) |
4575 | { | |
4576 | struct elfNN_ia64_dyn_sym_info *dynent; | |
396a682d | 4577 | unsigned int count; |
f7460f5f | 4578 | |
396a682d L |
4579 | for (count = loc_h->count, dynent = loc_h->info; |
4580 | count != 0; | |
4581 | count--, dynent++) | |
f7460f5f JJ |
4582 | { |
4583 | msec = sym_sec; | |
4584 | dynent->addend = | |
4585 | _bfd_merged_section_offset (output_bfd, &msec, | |
4586 | elf_section_data (msec)-> | |
65765700 | 4587 | sec_info, |
f7460f5f | 4588 | sym->st_value |
753731ee | 4589 | + dynent->addend); |
f7460f5f JJ |
4590 | dynent->addend -= sym->st_value; |
4591 | dynent->addend += msec->output_section->vma | |
4592 | + msec->output_offset | |
4593 | - sym_sec->output_section->vma | |
4594 | - sym_sec->output_offset; | |
4595 | } | |
293a0124 L |
4596 | |
4597 | /* We may have introduced duplicated entries. We need | |
4598 | to remove them properly. */ | |
4599 | count = sort_dyn_sym_info (loc_h->info, loc_h->count); | |
4600 | if (count != loc_h->count) | |
4601 | { | |
4602 | loc_h->count = count; | |
4603 | loc_h->sorted_count = count; | |
4604 | } | |
396a682d | 4605 | |
f7460f5f JJ |
4606 | loc_h->sec_merge_done = 1; |
4607 | } | |
4608 | } | |
800eeca4 JW |
4609 | } |
4610 | else | |
4611 | { | |
560e09e9 NC |
4612 | bfd_boolean unresolved_reloc; |
4613 | bfd_boolean warned; | |
b2a8e766 | 4614 | struct elf_link_hash_entry **sym_hashes = elf_sym_hashes (input_bfd); |
800eeca4 | 4615 | |
b2a8e766 AM |
4616 | RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel, |
4617 | r_symndx, symtab_hdr, sym_hashes, | |
4618 | h, sym_sec, value, | |
4619 | unresolved_reloc, warned); | |
800eeca4 | 4620 | |
560e09e9 | 4621 | if (h->root.type == bfd_link_hash_undefweak) |
b34976b6 | 4622 | undef_weak_ref = TRUE; |
560e09e9 NC |
4623 | else if (warned) |
4624 | continue; | |
800eeca4 JW |
4625 | } |
4626 | ||
ab96bf03 AM |
4627 | /* For relocs against symbols from removed linkonce sections, |
4628 | or sections discarded by a linker script, we just want the | |
4629 | section contents zeroed. Avoid any special processing. */ | |
4630 | if (sym_sec != NULL && elf_discarded_section (sym_sec)) | |
4631 | { | |
4632 | _bfd_clear_contents (howto, input_bfd, contents + rel->r_offset); | |
4633 | rel->r_info = 0; | |
4634 | rel->r_addend = 0; | |
4635 | continue; | |
4636 | } | |
4637 | ||
4638 | if (info->relocatable) | |
4639 | continue; | |
4640 | ||
800eeca4 JW |
4641 | hit_addr = contents + rel->r_offset; |
4642 | value += rel->r_addend; | |
986a241f | 4643 | dynamic_symbol_p = elfNN_ia64_dynamic_symbol_p (h, info, r_type); |
800eeca4 JW |
4644 | |
4645 | switch (r_type) | |
4646 | { | |
4647 | case R_IA64_NONE: | |
4648 | case R_IA64_LDXMOV: | |
4649 | continue; | |
4650 | ||
4651 | case R_IA64_IMM14: | |
4652 | case R_IA64_IMM22: | |
4653 | case R_IA64_IMM64: | |
4654 | case R_IA64_DIR32MSB: | |
4655 | case R_IA64_DIR32LSB: | |
4656 | case R_IA64_DIR64MSB: | |
4657 | case R_IA64_DIR64LSB: | |
4658 | /* Install a dynamic relocation for this reloc. */ | |
02e6ad56 | 4659 | if ((dynamic_symbol_p || info->shared) |
ec338859 | 4660 | && r_symndx != 0 |
800eeca4 JW |
4661 | && (input_section->flags & SEC_ALLOC) != 0) |
4662 | { | |
4663 | unsigned int dyn_r_type; | |
4664 | long dynindx; | |
18b27f17 | 4665 | bfd_vma addend; |
800eeca4 JW |
4666 | |
4667 | BFD_ASSERT (srel != NULL); | |
4668 | ||
838e70c5 L |
4669 | switch (r_type) |
4670 | { | |
4671 | case R_IA64_IMM14: | |
4672 | case R_IA64_IMM22: | |
4673 | case R_IA64_IMM64: | |
4674 | /* ??? People shouldn't be doing non-pic code in | |
4675 | shared libraries nor dynamic executables. */ | |
4676 | (*_bfd_error_handler) | |
d003868e AM |
4677 | (_("%B: non-pic code with imm relocation against dynamic symbol `%s'"), |
4678 | input_bfd, | |
26c61ae5 L |
4679 | h ? h->root.root.string |
4680 | : bfd_elf_sym_name (input_bfd, symtab_hdr, sym, | |
4681 | sym_sec)); | |
838e70c5 L |
4682 | ret_val = FALSE; |
4683 | continue; | |
4684 | ||
4685 | default: | |
4686 | break; | |
4687 | } | |
4688 | ||
800eeca4 JW |
4689 | /* If we don't need dynamic symbol lookup, find a |
4690 | matching RELATIVE relocation. */ | |
4691 | dyn_r_type = r_type; | |
986a241f | 4692 | if (dynamic_symbol_p) |
18b27f17 RH |
4693 | { |
4694 | dynindx = h->dynindx; | |
4695 | addend = rel->r_addend; | |
4696 | value = 0; | |
4697 | } | |
800eeca4 JW |
4698 | else |
4699 | { | |
4700 | switch (r_type) | |
4701 | { | |
4702 | case R_IA64_DIR32MSB: | |
4703 | dyn_r_type = R_IA64_REL32MSB; | |
4704 | break; | |
4705 | case R_IA64_DIR32LSB: | |
4706 | dyn_r_type = R_IA64_REL32LSB; | |
4707 | break; | |
4708 | case R_IA64_DIR64MSB: | |
4709 | dyn_r_type = R_IA64_REL64MSB; | |
4710 | break; | |
4711 | case R_IA64_DIR64LSB: | |
4712 | dyn_r_type = R_IA64_REL64LSB; | |
4713 | break; | |
4714 | ||
4715 | default: | |
838e70c5 | 4716 | break; |
800eeca4 JW |
4717 | } |
4718 | dynindx = 0; | |
18b27f17 | 4719 | addend = value; |
800eeca4 JW |
4720 | } |
4721 | ||
bbe66d08 | 4722 | elfNN_ia64_install_dyn_reloc (output_bfd, info, input_section, |
800eeca4 | 4723 | srel, rel->r_offset, dyn_r_type, |
18b27f17 | 4724 | dynindx, addend); |
800eeca4 | 4725 | } |
ae9a127f | 4726 | /* Fall through. */ |
800eeca4 JW |
4727 | |
4728 | case R_IA64_LTV32MSB: | |
4729 | case R_IA64_LTV32LSB: | |
4730 | case R_IA64_LTV64MSB: | |
4731 | case R_IA64_LTV64LSB: | |
bbb268c3 | 4732 | r = elfNN_ia64_install_value (hit_addr, value, r_type); |
800eeca4 JW |
4733 | break; |
4734 | ||
4735 | case R_IA64_GPREL22: | |
4736 | case R_IA64_GPREL64I: | |
4737 | case R_IA64_GPREL32MSB: | |
4738 | case R_IA64_GPREL32LSB: | |
4739 | case R_IA64_GPREL64MSB: | |
4740 | case R_IA64_GPREL64LSB: | |
4741 | if (dynamic_symbol_p) | |
4742 | { | |
4743 | (*_bfd_error_handler) | |
d003868e | 4744 | (_("%B: @gprel relocation against dynamic symbol %s"), |
26c61ae5 L |
4745 | input_bfd, |
4746 | h ? h->root.root.string | |
4747 | : bfd_elf_sym_name (input_bfd, symtab_hdr, sym, | |
4748 | sym_sec)); | |
b34976b6 | 4749 | ret_val = FALSE; |
800eeca4 JW |
4750 | continue; |
4751 | } | |
4752 | value -= gp_val; | |
bbb268c3 | 4753 | r = elfNN_ia64_install_value (hit_addr, value, r_type); |
800eeca4 JW |
4754 | break; |
4755 | ||
4756 | case R_IA64_LTOFF22: | |
4757 | case R_IA64_LTOFF22X: | |
4758 | case R_IA64_LTOFF64I: | |
b34976b6 | 4759 | dyn_i = get_dyn_sym_info (ia64_info, h, input_bfd, rel, FALSE); |
800eeca4 | 4760 | value = set_got_entry (input_bfd, info, dyn_i, (h ? h->dynindx : -1), |
5a260b66 | 4761 | rel->r_addend, value, R_IA64_DIRNNLSB); |
800eeca4 | 4762 | value -= gp_val; |
bbb268c3 | 4763 | r = elfNN_ia64_install_value (hit_addr, value, r_type); |
800eeca4 JW |
4764 | break; |
4765 | ||
4766 | case R_IA64_PLTOFF22: | |
4767 | case R_IA64_PLTOFF64I: | |
4768 | case R_IA64_PLTOFF64MSB: | |
4769 | case R_IA64_PLTOFF64LSB: | |
b34976b6 AM |
4770 | dyn_i = get_dyn_sym_info (ia64_info, h, input_bfd, rel, FALSE); |
4771 | value = set_pltoff_entry (output_bfd, info, dyn_i, value, FALSE); | |
800eeca4 | 4772 | value -= gp_val; |
bbb268c3 | 4773 | r = elfNN_ia64_install_value (hit_addr, value, r_type); |
800eeca4 JW |
4774 | break; |
4775 | ||
4776 | case R_IA64_FPTR64I: | |
4777 | case R_IA64_FPTR32MSB: | |
4778 | case R_IA64_FPTR32LSB: | |
4779 | case R_IA64_FPTR64MSB: | |
4780 | case R_IA64_FPTR64LSB: | |
b34976b6 | 4781 | dyn_i = get_dyn_sym_info (ia64_info, h, input_bfd, rel, FALSE); |
800eeca4 JW |
4782 | if (dyn_i->want_fptr) |
4783 | { | |
4784 | if (!undef_weak_ref) | |
4785 | value = set_fptr_entry (output_bfd, info, dyn_i, value); | |
4786 | } | |
9203ba99 | 4787 | if (!dyn_i->want_fptr || info->pie) |
800eeca4 JW |
4788 | { |
4789 | long dynindx; | |
9203ba99 JJ |
4790 | unsigned int dyn_r_type = r_type; |
4791 | bfd_vma addend = rel->r_addend; | |
800eeca4 JW |
4792 | |
4793 | /* Otherwise, we expect the dynamic linker to create | |
4794 | the entry. */ | |
4795 | ||
9203ba99 JJ |
4796 | if (dyn_i->want_fptr) |
4797 | { | |
4798 | if (r_type == R_IA64_FPTR64I) | |
4799 | { | |
4800 | /* We can't represent this without a dynamic symbol. | |
4801 | Adjust the relocation to be against an output | |
4802 | section symbol, which are always present in the | |
4803 | dynamic symbol table. */ | |
4804 | /* ??? People shouldn't be doing non-pic code in | |
4805 | shared libraries. Hork. */ | |
4806 | (*_bfd_error_handler) | |
d003868e AM |
4807 | (_("%B: linking non-pic code in a position independent executable"), |
4808 | input_bfd); | |
9203ba99 JJ |
4809 | ret_val = FALSE; |
4810 | continue; | |
4811 | } | |
4812 | dynindx = 0; | |
4813 | addend = value; | |
5a260b66 | 4814 | dyn_r_type = r_type + R_IA64_RELNNLSB - R_IA64_FPTRNNLSB; |
9203ba99 JJ |
4815 | } |
4816 | else if (h) | |
800eeca4 JW |
4817 | { |
4818 | if (h->dynindx != -1) | |
4819 | dynindx = h->dynindx; | |
4820 | else | |
4821 | dynindx = (_bfd_elf_link_lookup_local_dynindx | |
4822 | (info, h->root.u.def.section->owner, | |
4823 | global_sym_index (h))); | |
9203ba99 | 4824 | value = 0; |
800eeca4 JW |
4825 | } |
4826 | else | |
4827 | { | |
4828 | dynindx = (_bfd_elf_link_lookup_local_dynindx | |
dc810e39 | 4829 | (info, input_bfd, (long) r_symndx)); |
9203ba99 | 4830 | value = 0; |
800eeca4 JW |
4831 | } |
4832 | ||
bbe66d08 | 4833 | elfNN_ia64_install_dyn_reloc (output_bfd, info, input_section, |
9203ba99 JJ |
4834 | srel, rel->r_offset, dyn_r_type, |
4835 | dynindx, addend); | |
800eeca4 JW |
4836 | } |
4837 | ||
bbb268c3 | 4838 | r = elfNN_ia64_install_value (hit_addr, value, r_type); |
800eeca4 JW |
4839 | break; |
4840 | ||
4841 | case R_IA64_LTOFF_FPTR22: | |
4842 | case R_IA64_LTOFF_FPTR64I: | |
a4bd8390 JW |
4843 | case R_IA64_LTOFF_FPTR32MSB: |
4844 | case R_IA64_LTOFF_FPTR32LSB: | |
800eeca4 JW |
4845 | case R_IA64_LTOFF_FPTR64MSB: |
4846 | case R_IA64_LTOFF_FPTR64LSB: | |
4847 | { | |
4848 | long dynindx; | |
4849 | ||
b34976b6 | 4850 | dyn_i = get_dyn_sym_info (ia64_info, h, input_bfd, rel, FALSE); |
800eeca4 JW |
4851 | if (dyn_i->want_fptr) |
4852 | { | |
f12123c0 | 4853 | BFD_ASSERT (h == NULL || h->dynindx == -1); |
800eeca4 JW |
4854 | if (!undef_weak_ref) |
4855 | value = set_fptr_entry (output_bfd, info, dyn_i, value); | |
4856 | dynindx = -1; | |
4857 | } | |
4858 | else | |
4859 | { | |
4860 | /* Otherwise, we expect the dynamic linker to create | |
4861 | the entry. */ | |
4862 | if (h) | |
4863 | { | |
4864 | if (h->dynindx != -1) | |
4865 | dynindx = h->dynindx; | |
4866 | else | |
4867 | dynindx = (_bfd_elf_link_lookup_local_dynindx | |
4868 | (info, h->root.u.def.section->owner, | |
4869 | global_sym_index (h))); | |
4870 | } | |
4871 | else | |
4872 | dynindx = (_bfd_elf_link_lookup_local_dynindx | |
dc810e39 | 4873 | (info, input_bfd, (long) r_symndx)); |
800eeca4 JW |
4874 | value = 0; |
4875 | } | |
4876 | ||
4877 | value = set_got_entry (output_bfd, info, dyn_i, dynindx, | |
5a260b66 | 4878 | rel->r_addend, value, R_IA64_FPTRNNLSB); |
800eeca4 | 4879 | value -= gp_val; |
bbb268c3 | 4880 | r = elfNN_ia64_install_value (hit_addr, value, r_type); |
800eeca4 JW |
4881 | } |
4882 | break; | |
4883 | ||
4884 | case R_IA64_PCREL32MSB: | |
4885 | case R_IA64_PCREL32LSB: | |
4886 | case R_IA64_PCREL64MSB: | |
4887 | case R_IA64_PCREL64LSB: | |
4888 | /* Install a dynamic relocation for this reloc. */ | |
02e6ad56 | 4889 | if (dynamic_symbol_p && r_symndx != 0) |
800eeca4 JW |
4890 | { |
4891 | BFD_ASSERT (srel != NULL); | |
4892 | ||
bbe66d08 | 4893 | elfNN_ia64_install_dyn_reloc (output_bfd, info, input_section, |
800eeca4 JW |
4894 | srel, rel->r_offset, r_type, |
4895 | h->dynindx, rel->r_addend); | |
4896 | } | |
4897 | goto finish_pcrel; | |
4898 | ||
800eeca4 | 4899 | case R_IA64_PCREL21B: |
748abff6 | 4900 | case R_IA64_PCREL60B: |
800eeca4 | 4901 | /* We should have created a PLT entry for any dynamic symbol. */ |
800eeca4 JW |
4902 | dyn_i = NULL; |
4903 | if (h) | |
b34976b6 | 4904 | dyn_i = get_dyn_sym_info (ia64_info, h, NULL, NULL, FALSE); |
800eeca4 JW |
4905 | |
4906 | if (dyn_i && dyn_i->want_plt2) | |
4907 | { | |
4908 | /* Should have caught this earlier. */ | |
4909 | BFD_ASSERT (rel->r_addend == 0); | |
4910 | ||
cc3bd654 L |
4911 | value = (ia64_info->root.splt->output_section->vma |
4912 | + ia64_info->root.splt->output_offset | |
800eeca4 JW |
4913 | + dyn_i->plt2_offset); |
4914 | } | |
4915 | else | |
4916 | { | |
4917 | /* Since there's no PLT entry, Validate that this is | |
4918 | locally defined. */ | |
4919 | BFD_ASSERT (undef_weak_ref || sym_sec->output_section != NULL); | |
4920 | ||
4921 | /* If the symbol is undef_weak, we shouldn't be trying | |
4922 | to call it. There's every chance that we'd wind up | |
4923 | with an out-of-range fixup here. Don't bother setting | |
4924 | any value at all. */ | |
4925 | if (undef_weak_ref) | |
4926 | continue; | |
4927 | } | |
4928 | goto finish_pcrel; | |
4929 | ||
2f9bd3f6 RH |
4930 | case R_IA64_PCREL21BI: |
4931 | case R_IA64_PCREL21F: | |
4932 | case R_IA64_PCREL21M: | |
748abff6 RH |
4933 | case R_IA64_PCREL22: |
4934 | case R_IA64_PCREL64I: | |
2f9bd3f6 RH |
4935 | /* The PCREL21BI reloc is specifically not intended for use with |
4936 | dynamic relocs. PCREL21F and PCREL21M are used for speculation | |
f12123c0 | 4937 | fixup code, and thus probably ought not be dynamic. The |
2f9bd3f6 RH |
4938 | PCREL22 and PCREL64I relocs aren't emitted as dynamic relocs. */ |
4939 | if (dynamic_symbol_p) | |
4940 | { | |
4941 | const char *msg; | |
4942 | ||
4943 | if (r_type == R_IA64_PCREL21BI) | |
d003868e | 4944 | msg = _("%B: @internal branch to dynamic symbol %s"); |
2f9bd3f6 | 4945 | else if (r_type == R_IA64_PCREL21F || r_type == R_IA64_PCREL21M) |
d003868e | 4946 | msg = _("%B: speculation fixup to dynamic symbol %s"); |
2f9bd3f6 | 4947 | else |
d003868e | 4948 | msg = _("%B: @pcrel relocation against dynamic symbol %s"); |
26c61ae5 L |
4949 | (*_bfd_error_handler) (msg, input_bfd, |
4950 | h ? h->root.root.string | |
4951 | : bfd_elf_sym_name (input_bfd, | |
4952 | symtab_hdr, | |
4953 | sym, | |
4954 | sym_sec)); | |
2f9bd3f6 RH |
4955 | ret_val = FALSE; |
4956 | continue; | |
4957 | } | |
4958 | goto finish_pcrel; | |
4959 | ||
800eeca4 JW |
4960 | finish_pcrel: |
4961 | /* Make pc-relative. */ | |
4962 | value -= (input_section->output_section->vma | |
4963 | + input_section->output_offset | |
4964 | + rel->r_offset) & ~ (bfd_vma) 0x3; | |
bbb268c3 | 4965 | r = elfNN_ia64_install_value (hit_addr, value, r_type); |
800eeca4 JW |
4966 | break; |
4967 | ||
4968 | case R_IA64_SEGREL32MSB: | |
4969 | case R_IA64_SEGREL32LSB: | |
4970 | case R_IA64_SEGREL64MSB: | |
4971 | case R_IA64_SEGREL64LSB: | |
d7458677 | 4972 | { |
d7458677 | 4973 | /* Find the segment that contains the output_section. */ |
2ea37f1c | 4974 | Elf_Internal_Phdr *p = _bfd_elf_find_segment_containing_section |
992824d5 | 4975 | (output_bfd, input_section->output_section); |
800eeca4 | 4976 | |
2ea37f1c | 4977 | if (p == NULL) |
d7458677 | 4978 | { |
800eeca4 | 4979 | r = bfd_reloc_notsupported; |
d7458677 AM |
4980 | } |
4981 | else | |
4982 | { | |
4983 | /* The VMA of the segment is the vaddr of the associated | |
4984 | program header. */ | |
4985 | if (value > p->p_vaddr) | |
4986 | value -= p->p_vaddr; | |
4987 | else | |
4988 | value = 0; | |
bbb268c3 | 4989 | r = elfNN_ia64_install_value (hit_addr, value, r_type); |
d7458677 AM |
4990 | } |
4991 | break; | |
4992 | } | |
800eeca4 JW |
4993 | |
4994 | case R_IA64_SECREL32MSB: | |
4995 | case R_IA64_SECREL32LSB: | |
4996 | case R_IA64_SECREL64MSB: | |
4997 | case R_IA64_SECREL64LSB: | |
97ecf322 L |
4998 | /* Make output-section relative to section where the symbol |
4999 | is defined. PR 475 */ | |
bf718458 L |
5000 | if (sym_sec) |
5001 | value -= sym_sec->output_section->vma; | |
bbb268c3 | 5002 | r = elfNN_ia64_install_value (hit_addr, value, r_type); |
800eeca4 JW |
5003 | break; |
5004 | ||
800eeca4 JW |
5005 | case R_IA64_IPLTMSB: |
5006 | case R_IA64_IPLTLSB: | |
18b27f17 RH |
5007 | /* Install a dynamic relocation for this reloc. */ |
5008 | if ((dynamic_symbol_p || info->shared) | |
5009 | && (input_section->flags & SEC_ALLOC) != 0) | |
5010 | { | |
18b27f17 RH |
5011 | BFD_ASSERT (srel != NULL); |
5012 | ||
5013 | /* If we don't need dynamic symbol lookup, install two | |
5014 | RELATIVE relocations. */ | |
986a241f | 5015 | if (!dynamic_symbol_p) |
18b27f17 RH |
5016 | { |
5017 | unsigned int dyn_r_type; | |
3e932841 | 5018 | |
18b27f17 RH |
5019 | if (r_type == R_IA64_IPLTMSB) |
5020 | dyn_r_type = R_IA64_REL64MSB; | |
5021 | else | |
5022 | dyn_r_type = R_IA64_REL64LSB; | |
5023 | ||
5024 | elfNN_ia64_install_dyn_reloc (output_bfd, info, | |
5025 | input_section, | |
5026 | srel, rel->r_offset, | |
5027 | dyn_r_type, 0, value); | |
5028 | elfNN_ia64_install_dyn_reloc (output_bfd, info, | |
5029 | input_section, | |
5030 | srel, rel->r_offset + 8, | |
5031 | dyn_r_type, 0, gp_val); | |
5032 | } | |
5033 | else | |
5034 | elfNN_ia64_install_dyn_reloc (output_bfd, info, input_section, | |
5035 | srel, rel->r_offset, r_type, | |
5036 | h->dynindx, rel->r_addend); | |
5037 | } | |
5038 | ||
5039 | if (r_type == R_IA64_IPLTMSB) | |
5040 | r_type = R_IA64_DIR64MSB; | |
5041 | else | |
5042 | r_type = R_IA64_DIR64LSB; | |
bbb268c3 JW |
5043 | elfNN_ia64_install_value (hit_addr, value, r_type); |
5044 | r = elfNN_ia64_install_value (hit_addr + 8, gp_val, r_type); | |
18b27f17 | 5045 | break; |
800eeca4 | 5046 | |
13ae64f3 JJ |
5047 | case R_IA64_TPREL14: |
5048 | case R_IA64_TPREL22: | |
5049 | case R_IA64_TPREL64I: | |
0f2830ff L |
5050 | if (elf_hash_table (info)->tls_sec == NULL) |
5051 | goto missing_tls_sec; | |
13ae64f3 | 5052 | value -= elfNN_ia64_tprel_base (info); |
bbb268c3 | 5053 | r = elfNN_ia64_install_value (hit_addr, value, r_type); |
13ae64f3 JJ |
5054 | break; |
5055 | ||
5056 | case R_IA64_DTPREL14: | |
5057 | case R_IA64_DTPREL22: | |
5058 | case R_IA64_DTPREL64I: | |
5a260b66 L |
5059 | case R_IA64_DTPREL32LSB: |
5060 | case R_IA64_DTPREL32MSB: | |
b3dfd7fe JJ |
5061 | case R_IA64_DTPREL64LSB: |
5062 | case R_IA64_DTPREL64MSB: | |
0f2830ff L |
5063 | if (elf_hash_table (info)->tls_sec == NULL) |
5064 | goto missing_tls_sec; | |
13ae64f3 | 5065 | value -= elfNN_ia64_dtprel_base (info); |
bbb268c3 | 5066 | r = elfNN_ia64_install_value (hit_addr, value, r_type); |
13ae64f3 JJ |
5067 | break; |
5068 | ||
5069 | case R_IA64_LTOFF_TPREL22: | |
5070 | case R_IA64_LTOFF_DTPMOD22: | |
5071 | case R_IA64_LTOFF_DTPREL22: | |
5072 | { | |
5073 | int got_r_type; | |
a823975a JJ |
5074 | long dynindx = h ? h->dynindx : -1; |
5075 | bfd_vma r_addend = rel->r_addend; | |
13ae64f3 JJ |
5076 | |
5077 | switch (r_type) | |
5078 | { | |
5079 | default: | |
5080 | case R_IA64_LTOFF_TPREL22: | |
a823975a JJ |
5081 | if (!dynamic_symbol_p) |
5082 | { | |
0f2830ff L |
5083 | if (elf_hash_table (info)->tls_sec == NULL) |
5084 | goto missing_tls_sec; | |
a823975a JJ |
5085 | if (!info->shared) |
5086 | value -= elfNN_ia64_tprel_base (info); | |
5087 | else | |
5088 | { | |
5089 | r_addend += value - elfNN_ia64_dtprel_base (info); | |
5090 | dynindx = 0; | |
5091 | } | |
5092 | } | |
13ae64f3 JJ |
5093 | got_r_type = R_IA64_TPREL64LSB; |
5094 | break; | |
5095 | case R_IA64_LTOFF_DTPMOD22: | |
5096 | if (!dynamic_symbol_p && !info->shared) | |
5097 | value = 1; | |
5098 | got_r_type = R_IA64_DTPMOD64LSB; | |
5099 | break; | |
5100 | case R_IA64_LTOFF_DTPREL22: | |
5101 | if (!dynamic_symbol_p) | |
0f2830ff L |
5102 | { |
5103 | if (elf_hash_table (info)->tls_sec == NULL) | |
5104 | goto missing_tls_sec; | |
5105 | value -= elfNN_ia64_dtprel_base (info); | |
5106 | } | |
5a260b66 | 5107 | got_r_type = R_IA64_DTPRELNNLSB; |
13ae64f3 JJ |
5108 | break; |
5109 | } | |
b34976b6 | 5110 | dyn_i = get_dyn_sym_info (ia64_info, h, input_bfd, rel, FALSE); |
a823975a | 5111 | value = set_got_entry (input_bfd, info, dyn_i, dynindx, r_addend, |
13ae64f3 JJ |
5112 | value, got_r_type); |
5113 | value -= gp_val; | |
bbb268c3 | 5114 | r = elfNN_ia64_install_value (hit_addr, value, r_type); |
13ae64f3 JJ |
5115 | } |
5116 | break; | |
5117 | ||
800eeca4 JW |
5118 | default: |
5119 | r = bfd_reloc_notsupported; | |
5120 | break; | |
5121 | } | |
5122 | ||
5123 | switch (r) | |
5124 | { | |
5125 | case bfd_reloc_ok: | |
5126 | break; | |
5127 | ||
5128 | case bfd_reloc_undefined: | |
5129 | /* This can happen for global table relative relocs if | |
5130 | __gp is undefined. This is a panic situation so we | |
5131 | don't try to continue. */ | |
5132 | (*info->callbacks->undefined_symbol) | |
5133 | (info, "__gp", input_bfd, input_section, rel->r_offset, 1); | |
b34976b6 | 5134 | return FALSE; |
800eeca4 JW |
5135 | |
5136 | case bfd_reloc_notsupported: | |
5137 | { | |
5138 | const char *name; | |
5139 | ||
5140 | if (h) | |
5141 | name = h->root.root.string; | |
5142 | else | |
26c61ae5 L |
5143 | name = bfd_elf_sym_name (input_bfd, symtab_hdr, sym, |
5144 | sym_sec); | |
800eeca4 JW |
5145 | if (!(*info->callbacks->warning) (info, _("unsupported reloc"), |
5146 | name, input_bfd, | |
5147 | input_section, rel->r_offset)) | |
b34976b6 AM |
5148 | return FALSE; |
5149 | ret_val = FALSE; | |
800eeca4 JW |
5150 | } |
5151 | break; | |
5152 | ||
5153 | case bfd_reloc_dangerous: | |
5154 | case bfd_reloc_outofrange: | |
5155 | case bfd_reloc_overflow: | |
5156 | default: | |
0f2830ff | 5157 | missing_tls_sec: |
800eeca4 JW |
5158 | { |
5159 | const char *name; | |
5160 | ||
5161 | if (h) | |
f0581930 | 5162 | name = h->root.root.string; |
800eeca4 | 5163 | else |
26c61ae5 L |
5164 | name = bfd_elf_sym_name (input_bfd, symtab_hdr, sym, |
5165 | sym_sec); | |
c5509b92 L |
5166 | |
5167 | switch (r_type) | |
5168 | { | |
0f2830ff L |
5169 | case R_IA64_TPREL14: |
5170 | case R_IA64_TPREL22: | |
5171 | case R_IA64_TPREL64I: | |
5172 | case R_IA64_DTPREL14: | |
5173 | case R_IA64_DTPREL22: | |
5174 | case R_IA64_DTPREL64I: | |
5175 | case R_IA64_DTPREL32LSB: | |
5176 | case R_IA64_DTPREL32MSB: | |
5177 | case R_IA64_DTPREL64LSB: | |
5178 | case R_IA64_DTPREL64MSB: | |
5179 | case R_IA64_LTOFF_TPREL22: | |
5180 | case R_IA64_LTOFF_DTPMOD22: | |
5181 | case R_IA64_LTOFF_DTPREL22: | |
5182 | (*_bfd_error_handler) | |
5183 | (_("%B: missing TLS section for relocation %s against `%s' at 0x%lx in section `%A'."), | |
5184 | input_bfd, input_section, howto->name, name, | |
5185 | rel->r_offset); | |
5186 | break; | |
5187 | ||
c5509b92 L |
5188 | case R_IA64_PCREL21B: |
5189 | case R_IA64_PCREL21BI: | |
5190 | case R_IA64_PCREL21M: | |
5191 | case R_IA64_PCREL21F: | |
5192 | if (is_elf_hash_table (info->hash)) | |
5193 | { | |
5194 | /* Relaxtion is always performed for ELF output. | |
5195 | Overflow failures for those relocations mean | |
5196 | that the section is too big to relax. */ | |
5197 | (*_bfd_error_handler) | |
5198 | (_("%B: Can't relax br (%s) to `%s' at 0x%lx in section `%A' with size 0x%lx (> 0x1000000)."), | |
5199 | input_bfd, input_section, howto->name, name, | |
5200 | rel->r_offset, input_section->size); | |
5201 | break; | |
5202 | } | |
5203 | default: | |
5204 | if (!(*info->callbacks->reloc_overflow) (info, | |
5205 | &h->root, | |
5206 | name, | |
5207 | howto->name, | |
5208 | (bfd_vma) 0, | |
5209 | input_bfd, | |
5210 | input_section, | |
5211 | rel->r_offset)) | |
5212 | return FALSE; | |
5213 | break; | |
5214 | } | |
5215 | ||
b34976b6 | 5216 | ret_val = FALSE; |
800eeca4 JW |
5217 | } |
5218 | break; | |
5219 | } | |
5220 | } | |
5221 | ||
5222 | return ret_val; | |
5223 | } | |
5224 | ||
b34976b6 | 5225 | static bfd_boolean |
eae50df2 L |
5226 | elfNN_ia64_finish_dynamic_symbol (bfd *output_bfd, |
5227 | struct bfd_link_info *info, | |
5228 | struct elf_link_hash_entry *h, | |
5229 | Elf_Internal_Sym *sym) | |
800eeca4 | 5230 | { |
bbe66d08 JW |
5231 | struct elfNN_ia64_link_hash_table *ia64_info; |
5232 | struct elfNN_ia64_dyn_sym_info *dyn_i; | |
800eeca4 | 5233 | |
bbe66d08 | 5234 | ia64_info = elfNN_ia64_hash_table (info); |
b34976b6 | 5235 | dyn_i = get_dyn_sym_info (ia64_info, h, NULL, NULL, FALSE); |
800eeca4 JW |
5236 | |
5237 | /* Fill in the PLT data, if required. */ | |
5238 | if (dyn_i && dyn_i->want_plt) | |
5239 | { | |
5240 | Elf_Internal_Rela outrel; | |
5241 | bfd_byte *loc; | |
5242 | asection *plt_sec; | |
5243 | bfd_vma plt_addr, pltoff_addr, gp_val, index; | |
800eeca4 JW |
5244 | |
5245 | gp_val = _bfd_get_gp_value (output_bfd); | |
5246 | ||
5247 | /* Initialize the minimal PLT entry. */ | |
5248 | ||
5249 | index = (dyn_i->plt_offset - PLT_HEADER_SIZE) / PLT_MIN_ENTRY_SIZE; | |
cc3bd654 | 5250 | plt_sec = ia64_info->root.splt; |
800eeca4 JW |
5251 | loc = plt_sec->contents + dyn_i->plt_offset; |
5252 | ||
5253 | memcpy (loc, plt_min_entry, PLT_MIN_ENTRY_SIZE); | |
bbb268c3 JW |
5254 | elfNN_ia64_install_value (loc, index, R_IA64_IMM22); |
5255 | elfNN_ia64_install_value (loc+2, -dyn_i->plt_offset, R_IA64_PCREL21B); | |
800eeca4 JW |
5256 | |
5257 | plt_addr = (plt_sec->output_section->vma | |
5258 | + plt_sec->output_offset | |
5259 | + dyn_i->plt_offset); | |
b34976b6 | 5260 | pltoff_addr = set_pltoff_entry (output_bfd, info, dyn_i, plt_addr, TRUE); |
800eeca4 JW |
5261 | |
5262 | /* Initialize the FULL PLT entry, if needed. */ | |
5263 | if (dyn_i->want_plt2) | |
5264 | { | |
5265 | loc = plt_sec->contents + dyn_i->plt2_offset; | |
5266 | ||
5267 | memcpy (loc, plt_full_entry, PLT_FULL_ENTRY_SIZE); | |
bbb268c3 | 5268 | elfNN_ia64_install_value (loc, pltoff_addr - gp_val, R_IA64_IMM22); |
800eeca4 JW |
5269 | |
5270 | /* Mark the symbol as undefined, rather than as defined in the | |
5271 | plt section. Leave the value alone. */ | |
5272 | /* ??? We didn't redefine it in adjust_dynamic_symbol in the | |
c152c796 | 5273 | first place. But perhaps elflink.c did some for us. */ |
f5385ebf | 5274 | if (!h->def_regular) |
800eeca4 JW |
5275 | sym->st_shndx = SHN_UNDEF; |
5276 | } | |
5277 | ||
5278 | /* Create the dynamic relocation. */ | |
5279 | outrel.r_offset = pltoff_addr; | |
5280 | if (bfd_little_endian (output_bfd)) | |
bbe66d08 | 5281 | outrel.r_info = ELFNN_R_INFO (h->dynindx, R_IA64_IPLTLSB); |
800eeca4 | 5282 | else |
bbe66d08 | 5283 | outrel.r_info = ELFNN_R_INFO (h->dynindx, R_IA64_IPLTMSB); |
800eeca4 JW |
5284 | outrel.r_addend = 0; |
5285 | ||
5286 | /* This is fun. In the .IA_64.pltoff section, we've got entries | |
5287 | that correspond both to real PLT entries, and those that | |
5288 | happened to resolve to local symbols but need to be created | |
5289 | to satisfy @pltoff relocations. The .rela.IA_64.pltoff | |
5290 | relocations for the real PLT should come at the end of the | |
5291 | section, so that they can be indexed by plt entry at runtime. | |
5292 | ||
5293 | We emitted all of the relocations for the non-PLT @pltoff | |
5294 | entries during relocate_section. So we can consider the | |
5295 | existing sec->reloc_count to be the base of the array of | |
5296 | PLT relocations. */ | |
5297 | ||
947216bf AM |
5298 | loc = ia64_info->rel_pltoff_sec->contents; |
5299 | loc += ((ia64_info->rel_pltoff_sec->reloc_count + index) | |
37cd2629 | 5300 | * sizeof (ElfNN_External_Rela)); |
947216bf | 5301 | bfd_elfNN_swap_reloca_out (output_bfd, &outrel, loc); |
800eeca4 JW |
5302 | } |
5303 | ||
5304 | /* Mark some specially defined symbols as absolute. */ | |
5305 | if (strcmp (h->root.root.string, "_DYNAMIC") == 0 | |
22edb2f1 RS |
5306 | || h == ia64_info->root.hgot |
5307 | || h == ia64_info->root.hplt) | |
800eeca4 JW |
5308 | sym->st_shndx = SHN_ABS; |
5309 | ||
b34976b6 | 5310 | return TRUE; |
800eeca4 JW |
5311 | } |
5312 | ||
b34976b6 | 5313 | static bfd_boolean |
eae50df2 L |
5314 | elfNN_ia64_finish_dynamic_sections (bfd *abfd, |
5315 | struct bfd_link_info *info) | |
800eeca4 | 5316 | { |
bbe66d08 | 5317 | struct elfNN_ia64_link_hash_table *ia64_info; |
800eeca4 JW |
5318 | bfd *dynobj; |
5319 | ||
bbe66d08 | 5320 | ia64_info = elfNN_ia64_hash_table (info); |
800eeca4 JW |
5321 | dynobj = ia64_info->root.dynobj; |
5322 | ||
5323 | if (elf_hash_table (info)->dynamic_sections_created) | |
5324 | { | |
bbe66d08 | 5325 | ElfNN_External_Dyn *dyncon, *dynconend; |
800eeca4 JW |
5326 | asection *sdyn, *sgotplt; |
5327 | bfd_vma gp_val; | |
5328 | ||
5329 | sdyn = bfd_get_section_by_name (dynobj, ".dynamic"); | |
5330 | sgotplt = bfd_get_section_by_name (dynobj, ".got.plt"); | |
5331 | BFD_ASSERT (sdyn != NULL); | |
bbe66d08 | 5332 | dyncon = (ElfNN_External_Dyn *) sdyn->contents; |
eea6121a | 5333 | dynconend = (ElfNN_External_Dyn *) (sdyn->contents + sdyn->size); |
800eeca4 JW |
5334 | |
5335 | gp_val = _bfd_get_gp_value (abfd); | |
5336 | ||
5337 | for (; dyncon < dynconend; dyncon++) | |
5338 | { | |
5339 | Elf_Internal_Dyn dyn; | |
800eeca4 | 5340 | |
bbe66d08 | 5341 | bfd_elfNN_swap_dyn_in (dynobj, dyncon, &dyn); |
800eeca4 JW |
5342 | |
5343 | switch (dyn.d_tag) | |
5344 | { | |
5345 | case DT_PLTGOT: | |
5346 | dyn.d_un.d_ptr = gp_val; | |
5347 | break; | |
5348 | ||
5349 | case DT_PLTRELSZ: | |
5350 | dyn.d_un.d_val = (ia64_info->minplt_entries | |
bbe66d08 | 5351 | * sizeof (ElfNN_External_Rela)); |
800eeca4 JW |
5352 | break; |
5353 | ||
5354 | case DT_JMPREL: | |
5355 | /* See the comment above in finish_dynamic_symbol. */ | |
5356 | dyn.d_un.d_ptr = (ia64_info->rel_pltoff_sec->output_section->vma | |
5357 | + ia64_info->rel_pltoff_sec->output_offset | |
5358 | + (ia64_info->rel_pltoff_sec->reloc_count | |
bbe66d08 | 5359 | * sizeof (ElfNN_External_Rela))); |
800eeca4 JW |
5360 | break; |
5361 | ||
5362 | case DT_IA_64_PLT_RESERVE: | |
5363 | dyn.d_un.d_ptr = (sgotplt->output_section->vma | |
5364 | + sgotplt->output_offset); | |
5365 | break; | |
5366 | ||
5367 | case DT_RELASZ: | |
5368 | /* Do not have RELASZ include JMPREL. This makes things | |
3e932841 | 5369 | easier on ld.so. This is not what the rest of BFD set up. */ |
800eeca4 | 5370 | dyn.d_un.d_val -= (ia64_info->minplt_entries |
bbe66d08 | 5371 | * sizeof (ElfNN_External_Rela)); |
800eeca4 | 5372 | break; |
800eeca4 JW |
5373 | } |
5374 | ||
bbe66d08 | 5375 | bfd_elfNN_swap_dyn_out (abfd, &dyn, dyncon); |
800eeca4 JW |
5376 | } |
5377 | ||
ae9a127f | 5378 | /* Initialize the PLT0 entry. */ |
cc3bd654 | 5379 | if (ia64_info->root.splt) |
800eeca4 | 5380 | { |
cc3bd654 | 5381 | bfd_byte *loc = ia64_info->root.splt->contents; |
800eeca4 JW |
5382 | bfd_vma pltres; |
5383 | ||
5384 | memcpy (loc, plt_header, PLT_HEADER_SIZE); | |
5385 | ||
5386 | pltres = (sgotplt->output_section->vma | |
5387 | + sgotplt->output_offset | |
5388 | - gp_val); | |
5389 | ||
bbb268c3 | 5390 | elfNN_ia64_install_value (loc+1, pltres, R_IA64_GPREL22); |
800eeca4 JW |
5391 | } |
5392 | } | |
5393 | ||
b34976b6 | 5394 | return TRUE; |
800eeca4 JW |
5395 | } |
5396 | \f | |
ae9a127f | 5397 | /* ELF file flag handling: */ |
800eeca4 | 5398 | |
3e932841 | 5399 | /* Function to keep IA-64 specific file flags. */ |
b34976b6 | 5400 | static bfd_boolean |
eae50df2 | 5401 | elfNN_ia64_set_private_flags (bfd *abfd, flagword flags) |
800eeca4 JW |
5402 | { |
5403 | BFD_ASSERT (!elf_flags_init (abfd) | |
5404 | || elf_elfheader (abfd)->e_flags == flags); | |
5405 | ||
5406 | elf_elfheader (abfd)->e_flags = flags; | |
b34976b6 AM |
5407 | elf_flags_init (abfd) = TRUE; |
5408 | return TRUE; | |
800eeca4 JW |
5409 | } |
5410 | ||
800eeca4 JW |
5411 | /* Merge backend specific data from an object file to the output |
5412 | object file when linking. */ | |
b34976b6 | 5413 | static bfd_boolean |
eae50df2 | 5414 | elfNN_ia64_merge_private_bfd_data (bfd *ibfd, bfd *obfd) |
800eeca4 JW |
5415 | { |
5416 | flagword out_flags; | |
5417 | flagword in_flags; | |
b34976b6 | 5418 | bfd_boolean ok = TRUE; |
800eeca4 JW |
5419 | |
5420 | /* Don't even pretend to support mixed-format linking. */ | |
5421 | if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour | |
5422 | || bfd_get_flavour (obfd) != bfd_target_elf_flavour) | |
b34976b6 | 5423 | return FALSE; |
800eeca4 JW |
5424 | |
5425 | in_flags = elf_elfheader (ibfd)->e_flags; | |
5426 | out_flags = elf_elfheader (obfd)->e_flags; | |
5427 | ||
5428 | if (! elf_flags_init (obfd)) | |
5429 | { | |
b34976b6 | 5430 | elf_flags_init (obfd) = TRUE; |
800eeca4 JW |
5431 | elf_elfheader (obfd)->e_flags = in_flags; |
5432 | ||
5433 | if (bfd_get_arch (obfd) == bfd_get_arch (ibfd) | |
5434 | && bfd_get_arch_info (obfd)->the_default) | |
5435 | { | |
5436 | return bfd_set_arch_mach (obfd, bfd_get_arch (ibfd), | |
5437 | bfd_get_mach (ibfd)); | |
5438 | } | |
5439 | ||
b34976b6 | 5440 | return TRUE; |
800eeca4 JW |
5441 | } |
5442 | ||
5443 | /* Check flag compatibility. */ | |
5444 | if (in_flags == out_flags) | |
b34976b6 | 5445 | return TRUE; |
800eeca4 | 5446 | |
c43c2cc5 JW |
5447 | /* Output has EF_IA_64_REDUCEDFP set only if all inputs have it set. */ |
5448 | if (!(in_flags & EF_IA_64_REDUCEDFP) && (out_flags & EF_IA_64_REDUCEDFP)) | |
5449 | elf_elfheader (obfd)->e_flags &= ~EF_IA_64_REDUCEDFP; | |
5450 | ||
800eeca4 JW |
5451 | if ((in_flags & EF_IA_64_TRAPNIL) != (out_flags & EF_IA_64_TRAPNIL)) |
5452 | { | |
5453 | (*_bfd_error_handler) | |
d003868e AM |
5454 | (_("%B: linking trap-on-NULL-dereference with non-trapping files"), |
5455 | ibfd); | |
800eeca4 JW |
5456 | |
5457 | bfd_set_error (bfd_error_bad_value); | |
b34976b6 | 5458 | ok = FALSE; |
800eeca4 JW |
5459 | } |
5460 | if ((in_flags & EF_IA_64_BE) != (out_flags & EF_IA_64_BE)) | |
5461 | { | |
5462 | (*_bfd_error_handler) | |
d003868e AM |
5463 | (_("%B: linking big-endian files with little-endian files"), |
5464 | ibfd); | |
800eeca4 JW |
5465 | |
5466 | bfd_set_error (bfd_error_bad_value); | |
b34976b6 | 5467 | ok = FALSE; |
800eeca4 JW |
5468 | } |
5469 | if ((in_flags & EF_IA_64_ABI64) != (out_flags & EF_IA_64_ABI64)) | |
5470 | { | |
5471 | (*_bfd_error_handler) | |
d003868e AM |
5472 | (_("%B: linking 64-bit files with 32-bit files"), |
5473 | ibfd); | |
800eeca4 JW |
5474 | |
5475 | bfd_set_error (bfd_error_bad_value); | |
b34976b6 | 5476 | ok = FALSE; |
800eeca4 | 5477 | } |
c43c2cc5 JW |
5478 | if ((in_flags & EF_IA_64_CONS_GP) != (out_flags & EF_IA_64_CONS_GP)) |
5479 | { | |
5480 | (*_bfd_error_handler) | |
d003868e AM |
5481 | (_("%B: linking constant-gp files with non-constant-gp files"), |
5482 | ibfd); | |
c43c2cc5 JW |
5483 | |
5484 | bfd_set_error (bfd_error_bad_value); | |
b34976b6 | 5485 | ok = FALSE; |
c43c2cc5 JW |
5486 | } |
5487 | if ((in_flags & EF_IA_64_NOFUNCDESC_CONS_GP) | |
5488 | != (out_flags & EF_IA_64_NOFUNCDESC_CONS_GP)) | |
5489 | { | |
5490 | (*_bfd_error_handler) | |
d003868e AM |
5491 | (_("%B: linking auto-pic files with non-auto-pic files"), |
5492 | ibfd); | |
c43c2cc5 JW |
5493 | |
5494 | bfd_set_error (bfd_error_bad_value); | |
b34976b6 | 5495 | ok = FALSE; |
c43c2cc5 | 5496 | } |
800eeca4 JW |
5497 | |
5498 | return ok; | |
5499 | } | |
5500 | ||
b34976b6 | 5501 | static bfd_boolean |
eae50df2 | 5502 | elfNN_ia64_print_private_bfd_data (bfd *abfd, PTR ptr) |
800eeca4 JW |
5503 | { |
5504 | FILE *file = (FILE *) ptr; | |
5505 | flagword flags = elf_elfheader (abfd)->e_flags; | |
5506 | ||
5507 | BFD_ASSERT (abfd != NULL && ptr != NULL); | |
5508 | ||
c43c2cc5 | 5509 | fprintf (file, "private flags = %s%s%s%s%s%s%s%s\n", |
800eeca4 JW |
5510 | (flags & EF_IA_64_TRAPNIL) ? "TRAPNIL, " : "", |
5511 | (flags & EF_IA_64_EXT) ? "EXT, " : "", | |
5512 | (flags & EF_IA_64_BE) ? "BE, " : "LE, ", | |
c43c2cc5 JW |
5513 | (flags & EF_IA_64_REDUCEDFP) ? "REDUCEDFP, " : "", |
5514 | (flags & EF_IA_64_CONS_GP) ? "CONS_GP, " : "", | |
5515 | (flags & EF_IA_64_NOFUNCDESC_CONS_GP) ? "NOFUNCDESC_CONS_GP, " : "", | |
5516 | (flags & EF_IA_64_ABSOLUTE) ? "ABSOLUTE, " : "", | |
800eeca4 | 5517 | (flags & EF_IA_64_ABI64) ? "ABI64" : "ABI32"); |
3e932841 | 5518 | |
800eeca4 | 5519 | _bfd_elf_print_private_bfd_data (abfd, ptr); |
b34976b6 | 5520 | return TRUE; |
800eeca4 | 5521 | } |
db6751f2 JJ |
5522 | |
5523 | static enum elf_reloc_type_class | |
eae50df2 | 5524 | elfNN_ia64_reloc_type_class (const Elf_Internal_Rela *rela) |
db6751f2 | 5525 | { |
f51e552e | 5526 | switch ((int) ELFNN_R_TYPE (rela->r_info)) |
db6751f2 JJ |
5527 | { |
5528 | case R_IA64_REL32MSB: | |
5529 | case R_IA64_REL32LSB: | |
5530 | case R_IA64_REL64MSB: | |
5531 | case R_IA64_REL64LSB: | |
5532 | return reloc_class_relative; | |
5533 | case R_IA64_IPLTMSB: | |
5534 | case R_IA64_IPLTLSB: | |
5535 | return reloc_class_plt; | |
5536 | case R_IA64_COPY: | |
5537 | return reloc_class_copy; | |
5538 | default: | |
5539 | return reloc_class_normal; | |
5540 | } | |
5541 | } | |
fcf12726 | 5542 | |
b35d266b | 5543 | static const struct bfd_elf_special_section elfNN_ia64_special_sections[] = |
2f89ff8d | 5544 | { |
0112cd26 NC |
5545 | { STRING_COMMA_LEN (".sbss"), -1, SHT_NOBITS, SHF_ALLOC + SHF_WRITE + SHF_IA_64_SHORT }, |
5546 | { STRING_COMMA_LEN (".sdata"), -1, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_IA_64_SHORT }, | |
5547 | { NULL, 0, 0, 0, 0 } | |
7f4d3958 L |
5548 | }; |
5549 | ||
da9f89d4 L |
5550 | static bfd_boolean |
5551 | elfNN_ia64_object_p (bfd *abfd) | |
5552 | { | |
5553 | asection *sec; | |
da9f89d4 L |
5554 | asection *group, *unwi, *unw; |
5555 | flagword flags; | |
5556 | const char *name; | |
5557 | char *unwi_name, *unw_name; | |
5558 | bfd_size_type amt; | |
5559 | ||
5560 | if (abfd->flags & DYNAMIC) | |
5561 | return TRUE; | |
5562 | ||
5563 | /* Flags for fake group section. */ | |
5564 | flags = (SEC_LINKER_CREATED | SEC_GROUP | SEC_LINK_ONCE | |
5565 | | SEC_EXCLUDE); | |
5566 | ||
5567 | /* We add a fake section group for each .gnu.linkonce.t.* section, | |
5568 | which isn't in a section group, and its unwind sections. */ | |
5569 | for (sec = abfd->sections; sec != NULL; sec = sec->next) | |
5570 | { | |
5571 | if (elf_sec_group (sec) == NULL | |
5572 | && ((sec->flags & (SEC_LINK_ONCE | SEC_CODE | SEC_GROUP)) | |
5573 | == (SEC_LINK_ONCE | SEC_CODE)) | |
0112cd26 | 5574 | && CONST_STRNEQ (sec->name, ".gnu.linkonce.t.")) |
da9f89d4 L |
5575 | { |
5576 | name = sec->name + 16; | |
5577 | ||
5578 | amt = strlen (name) + sizeof (".gnu.linkonce.ia64unwi."); | |
5579 | unwi_name = bfd_alloc (abfd, amt); | |
5580 | if (!unwi_name) | |
5581 | return FALSE; | |
5582 | ||
5583 | strcpy (stpcpy (unwi_name, ".gnu.linkonce.ia64unwi."), name); | |
5584 | unwi = bfd_get_section_by_name (abfd, unwi_name); | |
5585 | ||
5586 | amt = strlen (name) + sizeof (".gnu.linkonce.ia64unw."); | |
5587 | unw_name = bfd_alloc (abfd, amt); | |
5588 | if (!unw_name) | |
5589 | return FALSE; | |
5590 | ||
5591 | strcpy (stpcpy (unw_name, ".gnu.linkonce.ia64unw."), name); | |
5592 | unw = bfd_get_section_by_name (abfd, unw_name); | |
5593 | ||
da9f89d4 L |
5594 | /* We need to create a fake group section for it and its |
5595 | unwind sections. */ | |
3496cb2a L |
5596 | group = bfd_make_section_anyway_with_flags (abfd, name, |
5597 | flags); | |
5598 | if (group == NULL) | |
da9f89d4 L |
5599 | return FALSE; |
5600 | ||
5601 | /* Move the fake group section to the beginning. */ | |
5daa8fe7 | 5602 | bfd_section_list_remove (abfd, group); |
04dd1667 | 5603 | bfd_section_list_prepend (abfd, group); |
da9f89d4 L |
5604 | |
5605 | elf_next_in_group (group) = sec; | |
5606 | ||
5607 | elf_group_name (sec) = name; | |
5608 | elf_next_in_group (sec) = sec; | |
5609 | elf_sec_group (sec) = group; | |
5610 | ||
5611 | if (unwi) | |
5612 | { | |
5613 | elf_group_name (unwi) = name; | |
5614 | elf_next_in_group (unwi) = sec; | |
5615 | elf_next_in_group (sec) = unwi; | |
5616 | elf_sec_group (unwi) = group; | |
5617 | } | |
5618 | ||
5619 | if (unw) | |
5620 | { | |
5621 | elf_group_name (unw) = name; | |
5622 | if (unwi) | |
5623 | { | |
5624 | elf_next_in_group (unw) = elf_next_in_group (unwi); | |
5625 | elf_next_in_group (unwi) = unw; | |
5626 | } | |
5627 | else | |
5628 | { | |
5629 | elf_next_in_group (unw) = sec; | |
5630 | elf_next_in_group (sec) = unw; | |
5631 | } | |
5632 | elf_sec_group (unw) = group; | |
5633 | } | |
5634 | ||
5635 | /* Fake SHT_GROUP section header. */ | |
5636 | elf_section_data (group)->this_hdr.bfd_section = group; | |
5637 | elf_section_data (group)->this_hdr.sh_type = SHT_GROUP; | |
5638 | } | |
5639 | } | |
5640 | return TRUE; | |
5641 | } | |
5642 | ||
b34976b6 | 5643 | static bfd_boolean |
d9cf1b54 AM |
5644 | elfNN_ia64_hpux_vec (const bfd_target *vec) |
5645 | { | |
5646 | extern const bfd_target bfd_elfNN_ia64_hpux_big_vec; | |
5647 | return (vec == & bfd_elfNN_ia64_hpux_big_vec); | |
5648 | } | |
5649 | ||
fcf12726 | 5650 | static void |
eae50df2 L |
5651 | elfNN_hpux_post_process_headers (bfd *abfd, |
5652 | struct bfd_link_info *info ATTRIBUTE_UNUSED) | |
fcf12726 AM |
5653 | { |
5654 | Elf_Internal_Ehdr *i_ehdrp = elf_elfheader (abfd); | |
5655 | ||
d1036acb | 5656 | i_ehdrp->e_ident[EI_OSABI] = get_elf_backend_data (abfd)->elf_osabi; |
fcf12726 AM |
5657 | i_ehdrp->e_ident[EI_ABIVERSION] = 1; |
5658 | } | |
d9cf1b54 | 5659 | |
eae50df2 L |
5660 | static bfd_boolean |
5661 | elfNN_hpux_backend_section_from_bfd_section (bfd *abfd ATTRIBUTE_UNUSED, | |
5662 | asection *sec, int *retval) | |
d9cf1b54 AM |
5663 | { |
5664 | if (bfd_is_com_section (sec)) | |
5665 | { | |
5666 | *retval = SHN_IA_64_ANSI_COMMON; | |
b34976b6 | 5667 | return TRUE; |
d9cf1b54 | 5668 | } |
b34976b6 | 5669 | return FALSE; |
d9cf1b54 | 5670 | } |
b59dd4a5 L |
5671 | |
5672 | static void | |
5673 | elfNN_hpux_backend_symbol_processing (bfd *abfd ATTRIBUTE_UNUSED, | |
5674 | asymbol *asym) | |
5675 | { | |
5f1cb353 | 5676 | elf_symbol_type *elfsym = (elf_symbol_type *) asym; |
b59dd4a5 L |
5677 | |
5678 | switch (elfsym->internal_elf_sym.st_shndx) | |
5679 | { | |
5680 | case SHN_IA_64_ANSI_COMMON: | |
5681 | asym->section = bfd_com_section_ptr; | |
5682 | asym->value = elfsym->internal_elf_sym.st_size; | |
5683 | asym->flags &= ~BSF_GLOBAL; | |
5684 | break; | |
5685 | } | |
5686 | } | |
5687 | ||
01e1a5bc NC |
5688 | static bfd_boolean |
5689 | elfNN_vms_section_from_shdr (bfd *abfd, | |
5690 | Elf_Internal_Shdr *hdr, | |
5691 | const char *name, | |
5692 | int shindex) | |
5693 | { | |
5694 | asection *newsect; | |
5695 | ||
5696 | switch (hdr->sh_type) | |
5697 | { | |
5698 | case SHT_IA_64_VMS_TRACE: | |
5699 | case SHT_IA_64_VMS_DEBUG: | |
5700 | case SHT_IA_64_VMS_DEBUG_STR: | |
5701 | break; | |
5702 | ||
5703 | default: | |
5704 | return elfNN_ia64_section_from_shdr (abfd, hdr, name, shindex); | |
5705 | } | |
5706 | ||
5707 | if (! _bfd_elf_make_section_from_shdr (abfd, hdr, name, shindex)) | |
5708 | return FALSE; | |
5709 | newsect = hdr->bfd_section; | |
5710 | ||
5711 | return TRUE; | |
5712 | } | |
5713 | ||
5714 | static bfd_boolean | |
5715 | elfNN_vms_object_p (bfd *abfd) | |
5716 | { | |
5717 | Elf_Internal_Ehdr *i_ehdrp = elf_elfheader (abfd); | |
5718 | Elf_Internal_Phdr *i_phdr = elf_tdata (abfd)->phdr; | |
5719 | unsigned int i; | |
5720 | unsigned int num_text = 0; | |
5721 | unsigned int num_data = 0; | |
5722 | unsigned int num_rodata = 0; | |
5723 | char name[16]; | |
5724 | ||
5725 | if (!elfNN_ia64_object_p (abfd)) | |
5726 | return FALSE; | |
5727 | ||
5728 | for (i = 0; i < i_ehdrp->e_phnum; i++, i_phdr++) | |
5729 | { | |
5730 | /* Is there a section for this segment? */ | |
5731 | bfd_vma base_vma = i_phdr->p_vaddr; | |
5732 | bfd_vma limit_vma = base_vma + i_phdr->p_filesz; | |
5733 | ||
5734 | if (i_phdr->p_type != PT_LOAD) | |
5735 | continue; | |
5736 | ||
5737 | again: | |
5738 | while (base_vma < limit_vma) | |
5739 | { | |
5740 | bfd_vma next_vma = limit_vma; | |
5741 | asection *nsec; | |
5742 | asection *sec; | |
5743 | flagword flags; | |
5744 | char *nname = NULL; | |
5745 | ||
5746 | /* Find a section covering base_vma. */ | |
5747 | for (sec = abfd->sections; sec != NULL; sec = sec->next) | |
5748 | { | |
5749 | if ((sec->flags & (SEC_ALLOC | SEC_LOAD)) == 0) | |
5750 | continue; | |
5751 | if (sec->vma <= base_vma && sec->vma + sec->size > base_vma) | |
5752 | { | |
5753 | base_vma = sec->vma + sec->size; | |
5754 | goto again; | |
5755 | } | |
5756 | if (sec->vma < next_vma && sec->vma + sec->size >= base_vma) | |
5757 | next_vma = sec->vma; | |
5758 | } | |
5759 | ||
5760 | /* No section covering [base_vma; next_vma). Create a fake one. */ | |
5761 | flags = SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS; | |
5762 | if (i_phdr->p_flags & PF_X) | |
5763 | { | |
5764 | flags |= SEC_CODE; | |
5765 | if (num_text++ == 0) | |
5766 | nname = ".text"; | |
5767 | else | |
5768 | sprintf (name, ".text$%u", num_text); | |
5769 | } | |
5770 | else if ((i_phdr->p_flags & (PF_R | PF_W)) == PF_R) | |
5771 | { | |
5772 | flags |= SEC_READONLY; | |
5773 | sprintf (name, ".rodata$%u", num_rodata++); | |
5774 | } | |
5775 | else | |
5776 | { | |
5777 | flags |= SEC_DATA; | |
5778 | sprintf (name, ".data$%u", num_data++); | |
5779 | } | |
5780 | ||
5781 | /* Allocate name. */ | |
5782 | if (nname == NULL) | |
5783 | { | |
5784 | size_t name_len = strlen (name) + 1; | |
5785 | nname = bfd_alloc (abfd, name_len); | |
5786 | if (nname == NULL) | |
5787 | return FALSE; | |
5788 | memcpy (nname, name, name_len); | |
5789 | } | |
5790 | ||
5791 | /* Create and fill new section. */ | |
5792 | nsec = bfd_make_section_anyway_with_flags (abfd, nname, flags); | |
5793 | if (nsec == NULL) | |
5794 | return FALSE; | |
5795 | nsec->vma = base_vma; | |
5796 | nsec->size = next_vma - base_vma; | |
5797 | nsec->filepos = i_phdr->p_offset + (base_vma - i_phdr->p_vaddr); | |
5798 | ||
5799 | base_vma = next_vma; | |
5800 | } | |
5801 | } | |
5802 | return TRUE; | |
5803 | } | |
5804 | ||
5805 | static void | |
5806 | elfNN_vms_post_process_headers (bfd *abfd, | |
5807 | struct bfd_link_info *info ATTRIBUTE_UNUSED) | |
5808 | { | |
5809 | Elf_Internal_Ehdr *i_ehdrp = elf_elfheader (abfd); | |
5810 | ||
5811 | i_ehdrp->e_ident[EI_OSABI] = ELFOSABI_OPENVMS; | |
5812 | i_ehdrp->e_ident[EI_ABIVERSION] = 2; | |
5813 | } | |
5814 | ||
5815 | static bfd_boolean | |
5816 | elfNN_vms_section_processing (bfd *abfd ATTRIBUTE_UNUSED, | |
5817 | Elf_Internal_Shdr *hdr) | |
5818 | { | |
5819 | if (hdr->bfd_section != NULL) | |
5820 | { | |
5821 | const char *name = bfd_get_section_name (abfd, hdr->bfd_section); | |
5822 | ||
5823 | if (strcmp (name, ".text") == 0) | |
5824 | hdr->sh_flags |= SHF_IA_64_VMS_SHARED; | |
5825 | else if ((strcmp (name, ".debug") == 0) | |
5826 | || (strcmp (name, ".debug_abbrev") == 0) | |
5827 | || (strcmp (name, ".debug_aranges") == 0) | |
5828 | || (strcmp (name, ".debug_frame") == 0) | |
5829 | || (strcmp (name, ".debug_info") == 0) | |
5830 | || (strcmp (name, ".debug_loc") == 0) | |
5831 | || (strcmp (name, ".debug_macinfo") == 0) | |
5832 | || (strcmp (name, ".debug_pubnames") == 0) | |
5833 | || (strcmp (name, ".debug_pubtypes") == 0)) | |
5834 | hdr->sh_type = SHT_IA_64_VMS_DEBUG; | |
5835 | else if ((strcmp (name, ".debug_line") == 0) | |
5836 | || (strcmp (name, ".debug_ranges") == 0)) | |
5837 | hdr->sh_type = SHT_IA_64_VMS_TRACE; | |
5838 | else if (strcmp (name, ".debug_str") == 0) | |
5839 | hdr->sh_type = SHT_IA_64_VMS_DEBUG_STR; | |
5840 | else if (strcmp (name, ".vms_display_name_info") == 0) | |
5841 | { | |
5842 | int idx, symcount; | |
5843 | asymbol **syms; | |
5844 | struct elf_obj_tdata *t = elf_tdata (abfd); | |
5845 | int buf[2]; | |
5846 | int demangler_sym_idx = -1; | |
5847 | ||
5848 | symcount = bfd_get_symcount (abfd); | |
5849 | syms = bfd_get_outsymbols (abfd); | |
5850 | for (idx = 0; idx < symcount; idx++) | |
5851 | { | |
5852 | asymbol *sym; | |
5853 | sym = syms[idx]; | |
5854 | if ((sym->flags & (BSF_DEBUGGING | BSF_DYNAMIC)) | |
5855 | && strchr (sym->name, '@') | |
5856 | && (strcmp (sym->section->name, BFD_ABS_SECTION_NAME) == 0)) | |
5857 | { | |
5858 | demangler_sym_idx = sym->udata.i; | |
5859 | break; | |
5860 | } | |
5861 | } | |
5862 | ||
5863 | hdr->sh_type = SHT_IA_64_VMS_DISPLAY_NAME_INFO; | |
5864 | hdr->sh_entsize = 4; | |
5865 | hdr->sh_addralign = 0; | |
5866 | hdr->sh_link = t->symtab_section; | |
5867 | ||
5868 | /* Find symtab index of demangler routine and stuff it in | |
5869 | the second long word of section data. */ | |
5870 | ||
5871 | if (demangler_sym_idx > -1) | |
5872 | { | |
5873 | bfd_seek (abfd, hdr->sh_offset, SEEK_SET); | |
5874 | bfd_bread (buf, hdr->sh_size, abfd); | |
5875 | buf [1] = demangler_sym_idx; | |
5876 | bfd_seek (abfd, hdr->sh_offset, SEEK_SET); | |
5877 | bfd_bwrite (buf, hdr->sh_size, abfd); | |
5878 | } | |
5879 | } | |
5880 | } | |
5881 | ||
5882 | return TRUE; | |
5883 | } | |
5884 | ||
5885 | /* The final processing done just before writing out a VMS IA-64 ELF | |
5886 | object file. */ | |
5887 | ||
5888 | static void | |
5889 | elfNN_vms_final_write_processing (bfd *abfd, | |
5890 | bfd_boolean linker ATTRIBUTE_UNUSED) | |
5891 | { | |
5892 | Elf_Internal_Shdr *hdr; | |
5893 | asection *s; | |
5894 | int unwind_info_sect_idx = 0; | |
5895 | ||
5896 | for (s = abfd->sections; s; s = s->next) | |
5897 | { | |
5898 | hdr = &elf_section_data (s)->this_hdr; | |
5899 | ||
5900 | if (strcmp (bfd_get_section_name (abfd, hdr->bfd_section), | |
5901 | ".IA_64.unwind_info") == 0) | |
5902 | unwind_info_sect_idx = elf_section_data (s)->this_idx; | |
5903 | ||
5904 | switch (hdr->sh_type) | |
5905 | { | |
5906 | case SHT_IA_64_UNWIND: | |
5907 | /* VMS requires sh_info to point to the unwind info section. */ | |
5908 | hdr->sh_info = unwind_info_sect_idx; | |
5909 | break; | |
5910 | } | |
5911 | } | |
5912 | ||
5913 | if (! elf_flags_init (abfd)) | |
5914 | { | |
5915 | unsigned long flags = 0; | |
5916 | ||
5917 | if (abfd->xvec->byteorder == BFD_ENDIAN_BIG) | |
5918 | flags |= EF_IA_64_BE; | |
5919 | if (bfd_get_mach (abfd) == bfd_mach_ia64_elf64) | |
5920 | flags |= EF_IA_64_ABI64; | |
5921 | ||
5922 | elf_elfheader(abfd)->e_flags = flags; | |
5923 | elf_flags_init (abfd) = TRUE; | |
5924 | } | |
5925 | } | |
5926 | ||
5927 | static bfd_boolean | |
5928 | elfNN_vms_close_and_cleanup (bfd *abfd) | |
5929 | { | |
5930 | if (bfd_get_format (abfd) == bfd_object) | |
5931 | { | |
5932 | long isize, irsize; | |
5933 | ||
5934 | if (elf_shstrtab (abfd) != NULL) | |
5935 | _bfd_elf_strtab_free (elf_shstrtab (abfd)); | |
5936 | ||
5937 | /* Pad to 8 byte boundary for IPF/VMS. */ | |
5938 | isize = bfd_get_size (abfd); | |
5939 | if ((irsize = isize/8*8) < isize) | |
5940 | { | |
5941 | int ishort = (irsize + 8) - isize; | |
5942 | bfd_seek (abfd, isize, SEEK_SET); | |
5943 | bfd_bwrite (bfd_zmalloc (ishort), ishort, abfd); | |
5944 | } | |
5945 | } | |
5946 | ||
5947 | return _bfd_generic_close_and_cleanup (abfd); | |
5948 | } | |
800eeca4 | 5949 | \f |
bbe66d08 JW |
5950 | #define TARGET_LITTLE_SYM bfd_elfNN_ia64_little_vec |
5951 | #define TARGET_LITTLE_NAME "elfNN-ia64-little" | |
5952 | #define TARGET_BIG_SYM bfd_elfNN_ia64_big_vec | |
5953 | #define TARGET_BIG_NAME "elfNN-ia64-big" | |
800eeca4 JW |
5954 | #define ELF_ARCH bfd_arch_ia64 |
5955 | #define ELF_MACHINE_CODE EM_IA_64 | |
5956 | #define ELF_MACHINE_ALT1 1999 /* EAS2.3 */ | |
5957 | #define ELF_MACHINE_ALT2 1998 /* EAS2.2 */ | |
5958 | #define ELF_MAXPAGESIZE 0x10000 /* 64KB */ | |
24718e3b | 5959 | #define ELF_COMMONPAGESIZE 0x4000 /* 16KB */ |
800eeca4 JW |
5960 | |
5961 | #define elf_backend_section_from_shdr \ | |
bbe66d08 | 5962 | elfNN_ia64_section_from_shdr |
fa152c49 | 5963 | #define elf_backend_section_flags \ |
bbe66d08 | 5964 | elfNN_ia64_section_flags |
800eeca4 | 5965 | #define elf_backend_fake_sections \ |
bbe66d08 | 5966 | elfNN_ia64_fake_sections |
81545d45 RH |
5967 | #define elf_backend_final_write_processing \ |
5968 | elfNN_ia64_final_write_processing | |
800eeca4 | 5969 | #define elf_backend_add_symbol_hook \ |
bbe66d08 | 5970 | elfNN_ia64_add_symbol_hook |
800eeca4 | 5971 | #define elf_backend_additional_program_headers \ |
bbe66d08 | 5972 | elfNN_ia64_additional_program_headers |
800eeca4 | 5973 | #define elf_backend_modify_segment_map \ |
bbe66d08 | 5974 | elfNN_ia64_modify_segment_map |
e36284ab AM |
5975 | #define elf_backend_modify_program_headers \ |
5976 | elfNN_ia64_modify_program_headers | |
800eeca4 | 5977 | #define elf_info_to_howto \ |
bbe66d08 | 5978 | elfNN_ia64_info_to_howto |
800eeca4 | 5979 | |
bbe66d08 JW |
5980 | #define bfd_elfNN_bfd_reloc_type_lookup \ |
5981 | elfNN_ia64_reloc_type_lookup | |
157090f7 AM |
5982 | #define bfd_elfNN_bfd_reloc_name_lookup \ |
5983 | elfNN_ia64_reloc_name_lookup | |
bbe66d08 JW |
5984 | #define bfd_elfNN_bfd_is_local_label_name \ |
5985 | elfNN_ia64_is_local_label_name | |
5986 | #define bfd_elfNN_bfd_relax_section \ | |
5987 | elfNN_ia64_relax_section | |
800eeca4 | 5988 | |
da9f89d4 L |
5989 | #define elf_backend_object_p \ |
5990 | elfNN_ia64_object_p | |
5991 | ||
800eeca4 | 5992 | /* Stuff for the BFD linker: */ |
bbe66d08 JW |
5993 | #define bfd_elfNN_bfd_link_hash_table_create \ |
5994 | elfNN_ia64_hash_table_create | |
0aa92b58 JJ |
5995 | #define bfd_elfNN_bfd_link_hash_table_free \ |
5996 | elfNN_ia64_hash_table_free | |
800eeca4 | 5997 | #define elf_backend_create_dynamic_sections \ |
bbe66d08 | 5998 | elfNN_ia64_create_dynamic_sections |
800eeca4 | 5999 | #define elf_backend_check_relocs \ |
bbe66d08 | 6000 | elfNN_ia64_check_relocs |
800eeca4 | 6001 | #define elf_backend_adjust_dynamic_symbol \ |
bbe66d08 | 6002 | elfNN_ia64_adjust_dynamic_symbol |
800eeca4 | 6003 | #define elf_backend_size_dynamic_sections \ |
bbe66d08 | 6004 | elfNN_ia64_size_dynamic_sections |
74541ad4 AM |
6005 | #define elf_backend_omit_section_dynsym \ |
6006 | ((bfd_boolean (*) (bfd *, struct bfd_link_info *, asection *)) bfd_true) | |
800eeca4 | 6007 | #define elf_backend_relocate_section \ |
bbe66d08 | 6008 | elfNN_ia64_relocate_section |
800eeca4 | 6009 | #define elf_backend_finish_dynamic_symbol \ |
bbe66d08 | 6010 | elfNN_ia64_finish_dynamic_symbol |
800eeca4 | 6011 | #define elf_backend_finish_dynamic_sections \ |
bbe66d08 JW |
6012 | elfNN_ia64_finish_dynamic_sections |
6013 | #define bfd_elfNN_bfd_final_link \ | |
6014 | elfNN_ia64_final_link | |
6015 | ||
bbe66d08 JW |
6016 | #define bfd_elfNN_bfd_merge_private_bfd_data \ |
6017 | elfNN_ia64_merge_private_bfd_data | |
6018 | #define bfd_elfNN_bfd_set_private_flags \ | |
6019 | elfNN_ia64_set_private_flags | |
6020 | #define bfd_elfNN_bfd_print_private_bfd_data \ | |
6021 | elfNN_ia64_print_private_bfd_data | |
800eeca4 JW |
6022 | |
6023 | #define elf_backend_plt_readonly 1 | |
6024 | #define elf_backend_want_plt_sym 0 | |
6025 | #define elf_backend_plt_alignment 5 | |
6026 | #define elf_backend_got_header_size 0 | |
800eeca4 JW |
6027 | #define elf_backend_want_got_plt 1 |
6028 | #define elf_backend_may_use_rel_p 1 | |
6029 | #define elf_backend_may_use_rela_p 1 | |
6030 | #define elf_backend_default_use_rela_p 1 | |
6031 | #define elf_backend_want_dynbss 0 | |
bbe66d08 JW |
6032 | #define elf_backend_copy_indirect_symbol elfNN_ia64_hash_copy_indirect |
6033 | #define elf_backend_hide_symbol elfNN_ia64_hash_hide_symbol | |
508c3946 | 6034 | #define elf_backend_fixup_symbol _bfd_elf_link_hash_fixup_symbol |
db6751f2 | 6035 | #define elf_backend_reloc_type_class elfNN_ia64_reloc_type_class |
b491616a | 6036 | #define elf_backend_rela_normal 1 |
29ef7005 | 6037 | #define elf_backend_special_sections elfNN_ia64_special_sections |
d4d2b80b | 6038 | #define elf_backend_default_execstack 0 |
800eeca4 | 6039 | |
185d09ad | 6040 | /* FIXME: PR 290: The Intel C compiler generates SHT_IA_64_UNWIND with |
e04bcc6d | 6041 | SHF_LINK_ORDER. But it doesn't set the sh_link or sh_info fields. |
185d09ad L |
6042 | We don't want to flood users with so many error messages. We turn |
6043 | off the warning for now. It will be turned on later when the Intel | |
6044 | compiler is fixed. */ | |
6045 | #define elf_backend_link_order_error_handler NULL | |
6046 | ||
bbe66d08 | 6047 | #include "elfNN-target.h" |
7b6dab7f | 6048 | |
fcf12726 AM |
6049 | /* HPUX-specific vectors. */ |
6050 | ||
6051 | #undef TARGET_LITTLE_SYM | |
6052 | #undef TARGET_LITTLE_NAME | |
6053 | #undef TARGET_BIG_SYM | |
6054 | #define TARGET_BIG_SYM bfd_elfNN_ia64_hpux_big_vec | |
6055 | #undef TARGET_BIG_NAME | |
6056 | #define TARGET_BIG_NAME "elfNN-ia64-hpux-big" | |
6057 | ||
254ed743 NC |
6058 | /* These are HP-UX specific functions. */ |
6059 | ||
fcf12726 AM |
6060 | #undef elf_backend_post_process_headers |
6061 | #define elf_backend_post_process_headers elfNN_hpux_post_process_headers | |
6062 | ||
d9cf1b54 AM |
6063 | #undef elf_backend_section_from_bfd_section |
6064 | #define elf_backend_section_from_bfd_section elfNN_hpux_backend_section_from_bfd_section | |
6065 | ||
b59dd4a5 L |
6066 | #undef elf_backend_symbol_processing |
6067 | #define elf_backend_symbol_processing elfNN_hpux_backend_symbol_processing | |
6068 | ||
5e8d7549 NC |
6069 | #undef elf_backend_want_p_paddr_set_to_zero |
6070 | #define elf_backend_want_p_paddr_set_to_zero 1 | |
6071 | ||
24718e3b | 6072 | #undef ELF_COMMONPAGESIZE |
d1036acb L |
6073 | #undef ELF_OSABI |
6074 | #define ELF_OSABI ELFOSABI_HPUX | |
fcf12726 AM |
6075 | |
6076 | #undef elfNN_bed | |
6077 | #define elfNN_bed elfNN_ia64_hpux_bed | |
6078 | ||
6079 | #include "elfNN-target.h" | |
5e8d7549 | 6080 | |
01e1a5bc NC |
6081 | /* VMS-specific vectors. */ |
6082 | ||
6083 | #undef TARGET_LITTLE_SYM | |
6084 | #define TARGET_LITTLE_SYM bfd_elfNN_ia64_vms_vec | |
6085 | #undef TARGET_LITTLE_NAME | |
6086 | #define TARGET_LITTLE_NAME "elfNN-ia64-vms" | |
6087 | #undef TARGET_BIG_SYM | |
6088 | #undef TARGET_BIG_NAME | |
6089 | ||
6090 | /* These are VMS specific functions. */ | |
6091 | ||
6092 | #undef elf_backend_object_p | |
6093 | #define elf_backend_object_p elfNN_vms_object_p | |
6094 | ||
6095 | #undef elf_backend_section_from_shdr | |
6096 | #define elf_backend_section_from_shdr elfNN_vms_section_from_shdr | |
6097 | ||
6098 | #undef elf_backend_post_process_headers | |
6099 | #define elf_backend_post_process_headers elfNN_vms_post_process_headers | |
6100 | ||
6101 | #undef elf_backend_section_processing | |
6102 | #define elf_backend_section_processing elfNN_vms_section_processing | |
6103 | ||
6104 | #undef elf_backend_final_write_processing | |
6105 | #define elf_backend_final_write_processing elfNN_vms_final_write_processing | |
6106 | ||
6107 | #undef bfd_elfNN_close_and_cleanup | |
6108 | #define bfd_elfNN_close_and_cleanup elfNN_vms_close_and_cleanup | |
6109 | ||
6110 | #undef elf_backend_section_from_bfd_section | |
6111 | ||
6112 | #undef elf_backend_symbol_processing | |
6113 | ||
5e8d7549 | 6114 | #undef elf_backend_want_p_paddr_set_to_zero |
01e1a5bc | 6115 | |
11d73275 TG |
6116 | #undef ELF_OSABI |
6117 | #define ELF_OSABI ELFOSABI_OPENVMS | |
6118 | ||
01e1a5bc NC |
6119 | #undef ELF_MAXPAGESIZE |
6120 | #define ELF_MAXPAGESIZE 0x10000 /* 64KB */ | |
6121 | ||
6122 | #undef elfNN_bed | |
6123 | #define elfNN_bed elfNN_ia64_vms_bed | |
6124 | ||
6125 | #include "elfNN-target.h" |