Commit | Line | Data |
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ef230218 | 1 | /* Renesas / SuperH SH specific support for 32-bit ELF |
6f2750fe | 2 | Copyright (C) 1996-2016 Free Software Foundation, Inc. |
252b5132 RH |
3 | Contributed by Ian Lance Taylor, Cygnus Support. |
4 | ||
571fe01f | 5 | This file is part of BFD, the Binary File Descriptor library. |
252b5132 | 6 | |
571fe01f NC |
7 | This program is free software; you can redistribute it and/or modify |
8 | it under the terms of the GNU General Public License as published by | |
cd123cb7 | 9 | the Free Software Foundation; either version 3 of the License, or |
571fe01f | 10 | (at your option) any later version. |
252b5132 | 11 | |
571fe01f NC |
12 | This program is distributed in the hope that it will be useful, |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
252b5132 | 16 | |
571fe01f NC |
17 | You should have received a copy of the GNU General Public License |
18 | along with this program; if not, write to the Free Software | |
cd123cb7 NC |
19 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
20 | MA 02110-1301, USA. */ | |
252b5132 | 21 | |
252b5132 | 22 | #include "sysdep.h" |
3db64b00 | 23 | #include "bfd.h" |
252b5132 RH |
24 | #include "bfdlink.h" |
25 | #include "libbfd.h" | |
26 | #include "elf-bfd.h" | |
55e6e397 | 27 | #include "elf-vxworks.h" |
252b5132 | 28 | #include "elf/sh.h" |
8e45593f | 29 | #include "dwarf2.h" |
f6f9408f | 30 | #include "libiberty.h" |
871ec896 | 31 | #include "../opcodes/sh-opc.h" |
252b5132 RH |
32 | |
33 | static bfd_reloc_status_type sh_elf_reloc | |
09fd220b | 34 | (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); |
252b5132 | 35 | static bfd_reloc_status_type sh_elf_ignore_reloc |
09fd220b | 36 | (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); |
b34976b6 | 37 | static bfd_boolean sh_elf_relax_delete_bytes |
09fd220b | 38 | (bfd *, asection *, bfd_vma, int); |
b34976b6 | 39 | static bfd_boolean sh_elf_align_loads |
09fd220b | 40 | (bfd *, asection *, Elf_Internal_Rela *, bfd_byte *, bfd_boolean *); |
85fbca6a | 41 | #ifndef SH64_ELF |
b34976b6 | 42 | static bfd_boolean sh_elf_swap_insns |
09fd220b | 43 | (bfd *, asection *, void *, bfd_byte *, bfd_vma); |
85fbca6a | 44 | #endif |
3376eaf5 | 45 | static int sh_elf_optimized_tls_reloc |
09fd220b | 46 | (struct bfd_link_info *, int, int); |
3376eaf5 | 47 | static bfd_vma dtpoff_base |
09fd220b | 48 | (struct bfd_link_info *); |
267fb3c1 | 49 | static bfd_vma tpoff |
09fd220b | 50 | (struct bfd_link_info *, bfd_vma); |
37c644f2 AO |
51 | |
52 | /* The name of the dynamic interpreter. This is put in the .interp | |
53 | section. */ | |
54 | ||
55 | #define ELF_DYNAMIC_INTERPRETER "/usr/lib/libc.so.1" | |
252b5132 | 56 | |
8e45593f NC |
57 | /* FDPIC binaries have a default 128K stack. */ |
58 | #define DEFAULT_STACK_SIZE 0x20000 | |
59 | ||
55e6e397 | 60 | #define MINUS_ONE ((bfd_vma) 0 - 1) |
8e45593f NC |
61 | |
62 | /* Decide whether a reference to a symbol can be resolved locally or | |
63 | not. If the symbol is protected, we want the local address, but | |
64 | its function descriptor must be assigned by the dynamic linker. */ | |
65 | #define SYMBOL_FUNCDESC_LOCAL(INFO, H) \ | |
66 | (SYMBOL_REFERENCES_LOCAL (INFO, H) \ | |
67 | || ! elf_hash_table (INFO)->dynamic_sections_created) | |
55e6e397 RS |
68 | \f |
69 | #define SH_PARTIAL32 TRUE | |
70 | #define SH_SRC_MASK32 0xffffffff | |
71 | #define SH_ELF_RELOC sh_elf_reloc | |
38b1a46c NC |
72 | static reloc_howto_type sh_elf_howto_table[] = |
73 | { | |
55e6e397 RS |
74 | #include "elf32-sh-relocs.h" |
75 | }; | |
fbca6ad9 | 76 | |
55e6e397 RS |
77 | #define SH_PARTIAL32 FALSE |
78 | #define SH_SRC_MASK32 0 | |
79 | #define SH_ELF_RELOC bfd_elf_generic_reloc | |
80 | static reloc_howto_type sh_vxworks_howto_table[] = | |
81 | { | |
82 | #include "elf32-sh-relocs.h" | |
83 | }; | |
84 | \f | |
85 | /* Return true if OUTPUT_BFD is a VxWorks object. */ | |
fbca6ad9 | 86 | |
55e6e397 | 87 | static bfd_boolean |
527a23b8 | 88 | vxworks_object_p (bfd *abfd ATTRIBUTE_UNUSED) |
55e6e397 | 89 | { |
527a23b8 | 90 | #if !defined INCLUDE_SHMEDIA && !defined SH_TARGET_ALREADY_DEFINED |
6d00b590 AM |
91 | extern const bfd_target sh_elf32_vxworks_le_vec; |
92 | extern const bfd_target sh_elf32_vxworks_vec; | |
fbca6ad9 | 93 | |
6d00b590 AM |
94 | return (abfd->xvec == &sh_elf32_vxworks_le_vec |
95 | || abfd->xvec == &sh_elf32_vxworks_vec); | |
527a23b8 NC |
96 | #else |
97 | return FALSE; | |
98 | #endif | |
55e6e397 | 99 | } |
fbca6ad9 | 100 | |
8e45593f NC |
101 | /* Return true if OUTPUT_BFD is an FDPIC object. */ |
102 | ||
103 | static bfd_boolean | |
104 | fdpic_object_p (bfd *abfd ATTRIBUTE_UNUSED) | |
105 | { | |
106 | #if !defined INCLUDE_SHMEDIA && !defined SH_TARGET_ALREADY_DEFINED | |
6d00b590 AM |
107 | extern const bfd_target sh_elf32_fdpic_le_vec; |
108 | extern const bfd_target sh_elf32_fdpic_be_vec; | |
8e45593f | 109 | |
6d00b590 AM |
110 | return (abfd->xvec == &sh_elf32_fdpic_le_vec |
111 | || abfd->xvec == &sh_elf32_fdpic_be_vec); | |
8e45593f NC |
112 | #else |
113 | return FALSE; | |
114 | #endif | |
115 | } | |
116 | ||
55e6e397 | 117 | /* Return the howto table for ABFD. */ |
fbca6ad9 | 118 | |
55e6e397 RS |
119 | static reloc_howto_type * |
120 | get_howto_table (bfd *abfd) | |
121 | { | |
122 | if (vxworks_object_p (abfd)) | |
123 | return sh_vxworks_howto_table; | |
124 | return sh_elf_howto_table; | |
125 | } | |
252b5132 | 126 | |
015551fc | 127 | static bfd_reloc_status_type |
09fd220b KK |
128 | sh_elf_reloc_loop (int r_type ATTRIBUTE_UNUSED, bfd *input_bfd, |
129 | asection *input_section, bfd_byte *contents, | |
130 | bfd_vma addr, asection *symbol_section, | |
131 | bfd_vma start, bfd_vma end) | |
015551fc JR |
132 | { |
133 | static bfd_vma last_addr; | |
00fdaf47 | 134 | static asection *last_symbol_section; |
015551fc JR |
135 | bfd_byte *start_ptr, *ptr, *last_ptr; |
136 | int diff, cum_diff; | |
137 | bfd_signed_vma x; | |
138 | int insn; | |
139 | ||
140 | /* Sanity check the address. */ | |
07515404 | 141 | if (addr > bfd_get_section_limit (input_bfd, input_section)) |
015551fc JR |
142 | return bfd_reloc_outofrange; |
143 | ||
144 | /* We require the start and end relocations to be processed consecutively - | |
145 | although we allow then to be processed forwards or backwards. */ | |
146 | if (! last_addr) | |
147 | { | |
148 | last_addr = addr; | |
149 | last_symbol_section = symbol_section; | |
150 | return bfd_reloc_ok; | |
151 | } | |
152 | if (last_addr != addr) | |
153 | abort (); | |
154 | last_addr = 0; | |
155 | ||
156 | if (! symbol_section || last_symbol_section != symbol_section || end < start) | |
157 | return bfd_reloc_outofrange; | |
158 | ||
159 | /* Get the symbol_section contents. */ | |
160 | if (symbol_section != input_section) | |
161 | { | |
162 | if (elf_section_data (symbol_section)->this_hdr.contents != NULL) | |
163 | contents = elf_section_data (symbol_section)->this_hdr.contents; | |
164 | else | |
165 | { | |
eea6121a AM |
166 | if (!bfd_malloc_and_get_section (input_bfd, symbol_section, |
167 | &contents)) | |
015551fc | 168 | { |
eea6121a AM |
169 | if (contents != NULL) |
170 | free (contents); | |
015551fc JR |
171 | return bfd_reloc_outofrange; |
172 | } | |
173 | } | |
174 | } | |
175 | #define IS_PPI(PTR) ((bfd_get_16 (input_bfd, (PTR)) & 0xfc00) == 0xf800) | |
176 | start_ptr = contents + start; | |
177 | for (cum_diff = -6, ptr = contents + end; cum_diff < 0 && ptr > start_ptr;) | |
178 | { | |
179 | for (last_ptr = ptr, ptr -= 4; ptr >= start_ptr && IS_PPI (ptr);) | |
180 | ptr -= 2; | |
181 | ptr += 2; | |
61ff1804 | 182 | diff = (last_ptr - ptr) >> 1; |
015551fc JR |
183 | cum_diff += diff & 1; |
184 | cum_diff += diff; | |
185 | } | |
186 | /* Calculate the start / end values to load into rs / re minus four - | |
187 | so that will cancel out the four we would otherwise have to add to | |
188 | addr to get the value to subtract in order to get relative addressing. */ | |
189 | if (cum_diff >= 0) | |
190 | { | |
191 | start -= 4; | |
192 | end = (ptr + cum_diff * 2) - contents; | |
193 | } | |
194 | else | |
195 | { | |
196 | bfd_vma start0 = start - 4; | |
197 | ||
a0fc8ba1 | 198 | while (start0 && IS_PPI (contents + start0)) |
015551fc JR |
199 | start0 -= 2; |
200 | start0 = start - 2 - ((start - start0) & 2); | |
201 | start = start0 - cum_diff - 2; | |
202 | end = start0; | |
203 | } | |
204 | ||
6cdc0ccc AM |
205 | if (contents != NULL |
206 | && elf_section_data (symbol_section)->this_hdr.contents != contents) | |
207 | free (contents); | |
015551fc JR |
208 | |
209 | insn = bfd_get_16 (input_bfd, contents + addr); | |
210 | ||
211 | x = (insn & 0x200 ? end : start) - addr; | |
212 | if (input_section != symbol_section) | |
213 | x += ((symbol_section->output_section->vma + symbol_section->output_offset) | |
214 | - (input_section->output_section->vma | |
215 | + input_section->output_offset)); | |
216 | x >>= 1; | |
217 | if (x < -128 || x > 127) | |
218 | return bfd_reloc_overflow; | |
219 | ||
61ff1804 | 220 | x = (insn & ~0xff) | (x & 0xff); |
dc810e39 | 221 | bfd_put_16 (input_bfd, (bfd_vma) x, contents + addr); |
015551fc JR |
222 | |
223 | return bfd_reloc_ok; | |
224 | } | |
225 | ||
226 | /* This function is used for normal relocs. This used to be like the COFF | |
252b5132 RH |
227 | function, and is almost certainly incorrect for other ELF targets. */ |
228 | ||
229 | static bfd_reloc_status_type | |
09fd220b KK |
230 | sh_elf_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol_in, |
231 | void *data, asection *input_section, bfd *output_bfd, | |
232 | char **error_message ATTRIBUTE_UNUSED) | |
252b5132 RH |
233 | { |
234 | unsigned long insn; | |
235 | bfd_vma sym_value; | |
236 | enum elf_sh_reloc_type r_type; | |
237 | bfd_vma addr = reloc_entry->address; | |
238 | bfd_byte *hit_data = addr + (bfd_byte *) data; | |
239 | ||
240 | r_type = (enum elf_sh_reloc_type) reloc_entry->howto->type; | |
241 | ||
242 | if (output_bfd != NULL) | |
243 | { | |
244 | /* Partial linking--do nothing. */ | |
245 | reloc_entry->address += input_section->output_offset; | |
246 | return bfd_reloc_ok; | |
247 | } | |
248 | ||
249 | /* Almost all relocs have to do with relaxing. If any work must be | |
250 | done for them, it has been done in sh_relax_section. */ | |
015551fc | 251 | if (r_type == R_SH_IND12W && (symbol_in->flags & BSF_LOCAL) != 0) |
252b5132 RH |
252 | return bfd_reloc_ok; |
253 | ||
254 | if (symbol_in != NULL | |
255 | && bfd_is_und_section (symbol_in->section)) | |
256 | return bfd_reloc_undefined; | |
257 | ||
cd21f5da | 258 | /* PR 17512: file: 9891ca98. */ |
6346d5ca AM |
259 | if (addr * bfd_octets_per_byte (abfd) + bfd_get_reloc_size (reloc_entry->howto) |
260 | > bfd_get_section_limit_octets (abfd, input_section)) | |
cd21f5da NC |
261 | return bfd_reloc_outofrange; |
262 | ||
252b5132 | 263 | if (bfd_is_com_section (symbol_in->section)) |
435b1e90 KH |
264 | sym_value = 0; |
265 | else | |
252b5132 RH |
266 | sym_value = (symbol_in->value + |
267 | symbol_in->section->output_section->vma + | |
268 | symbol_in->section->output_offset); | |
269 | ||
270 | switch (r_type) | |
271 | { | |
272 | case R_SH_DIR32: | |
273 | insn = bfd_get_32 (abfd, hit_data); | |
274 | insn += sym_value + reloc_entry->addend; | |
dc810e39 | 275 | bfd_put_32 (abfd, (bfd_vma) insn, hit_data); |
252b5132 RH |
276 | break; |
277 | case R_SH_IND12W: | |
278 | insn = bfd_get_16 (abfd, hit_data); | |
279 | sym_value += reloc_entry->addend; | |
280 | sym_value -= (input_section->output_section->vma | |
281 | + input_section->output_offset | |
282 | + addr | |
283 | + 4); | |
284 | sym_value += (insn & 0xfff) << 1; | |
285 | if (insn & 0x800) | |
286 | sym_value -= 0x1000; | |
287 | insn = (insn & 0xf000) | (sym_value & 0xfff); | |
dc810e39 | 288 | bfd_put_16 (abfd, (bfd_vma) insn, hit_data); |
252b5132 RH |
289 | if (sym_value < (bfd_vma) -0x1000 || sym_value >= 0x1000) |
290 | return bfd_reloc_overflow; | |
291 | break; | |
292 | default: | |
293 | abort (); | |
294 | break; | |
295 | } | |
296 | ||
297 | return bfd_reloc_ok; | |
298 | } | |
299 | ||
300 | /* This function is used for relocs which are only used for relaxing, | |
301 | which the linker should otherwise ignore. */ | |
302 | ||
303 | static bfd_reloc_status_type | |
09fd220b KK |
304 | sh_elf_ignore_reloc (bfd *abfd ATTRIBUTE_UNUSED, arelent *reloc_entry, |
305 | asymbol *symbol ATTRIBUTE_UNUSED, | |
306 | void *data ATTRIBUTE_UNUSED, asection *input_section, | |
307 | bfd *output_bfd, | |
308 | char **error_message ATTRIBUTE_UNUSED) | |
252b5132 RH |
309 | { |
310 | if (output_bfd != NULL) | |
311 | reloc_entry->address += input_section->output_offset; | |
312 | return bfd_reloc_ok; | |
313 | } | |
314 | ||
315 | /* This structure is used to map BFD reloc codes to SH ELF relocs. */ | |
316 | ||
38b1a46c NC |
317 | struct elf_reloc_map |
318 | { | |
252b5132 RH |
319 | bfd_reloc_code_real_type bfd_reloc_val; |
320 | unsigned char elf_reloc_val; | |
321 | }; | |
322 | ||
323 | /* An array mapping BFD reloc codes to SH ELF relocs. */ | |
324 | ||
38b1a46c NC |
325 | static const struct elf_reloc_map sh_reloc_map[] = |
326 | { | |
252b5132 RH |
327 | { BFD_RELOC_NONE, R_SH_NONE }, |
328 | { BFD_RELOC_32, R_SH_DIR32 }, | |
d38eb334 DD |
329 | { BFD_RELOC_16, R_SH_DIR16 }, |
330 | { BFD_RELOC_8, R_SH_DIR8 }, | |
252b5132 RH |
331 | { BFD_RELOC_CTOR, R_SH_DIR32 }, |
332 | { BFD_RELOC_32_PCREL, R_SH_REL32 }, | |
333 | { BFD_RELOC_SH_PCDISP8BY2, R_SH_DIR8WPN }, | |
334 | { BFD_RELOC_SH_PCDISP12BY2, R_SH_IND12W }, | |
335 | { BFD_RELOC_SH_PCRELIMM8BY2, R_SH_DIR8WPZ }, | |
336 | { BFD_RELOC_SH_PCRELIMM8BY4, R_SH_DIR8WPL }, | |
337 | { BFD_RELOC_8_PCREL, R_SH_SWITCH8 }, | |
338 | { BFD_RELOC_SH_SWITCH16, R_SH_SWITCH16 }, | |
339 | { BFD_RELOC_SH_SWITCH32, R_SH_SWITCH32 }, | |
340 | { BFD_RELOC_SH_USES, R_SH_USES }, | |
341 | { BFD_RELOC_SH_COUNT, R_SH_COUNT }, | |
342 | { BFD_RELOC_SH_ALIGN, R_SH_ALIGN }, | |
343 | { BFD_RELOC_SH_CODE, R_SH_CODE }, | |
344 | { BFD_RELOC_SH_DATA, R_SH_DATA }, | |
345 | { BFD_RELOC_SH_LABEL, R_SH_LABEL }, | |
346 | { BFD_RELOC_VTABLE_INHERIT, R_SH_GNU_VTINHERIT }, | |
347 | { BFD_RELOC_VTABLE_ENTRY, R_SH_GNU_VTENTRY }, | |
015551fc JR |
348 | { BFD_RELOC_SH_LOOP_START, R_SH_LOOP_START }, |
349 | { BFD_RELOC_SH_LOOP_END, R_SH_LOOP_END }, | |
3376eaf5 KK |
350 | { BFD_RELOC_SH_TLS_GD_32, R_SH_TLS_GD_32 }, |
351 | { BFD_RELOC_SH_TLS_LD_32, R_SH_TLS_LD_32 }, | |
352 | { BFD_RELOC_SH_TLS_LDO_32, R_SH_TLS_LDO_32 }, | |
353 | { BFD_RELOC_SH_TLS_IE_32, R_SH_TLS_IE_32 }, | |
354 | { BFD_RELOC_SH_TLS_LE_32, R_SH_TLS_LE_32 }, | |
355 | { BFD_RELOC_SH_TLS_DTPMOD32, R_SH_TLS_DTPMOD32 }, | |
356 | { BFD_RELOC_SH_TLS_DTPOFF32, R_SH_TLS_DTPOFF32 }, | |
357 | { BFD_RELOC_SH_TLS_TPOFF32, R_SH_TLS_TPOFF32 }, | |
37c644f2 AO |
358 | { BFD_RELOC_32_GOT_PCREL, R_SH_GOT32 }, |
359 | { BFD_RELOC_32_PLT_PCREL, R_SH_PLT32 }, | |
360 | { BFD_RELOC_SH_COPY, R_SH_COPY }, | |
361 | { BFD_RELOC_SH_GLOB_DAT, R_SH_GLOB_DAT }, | |
362 | { BFD_RELOC_SH_JMP_SLOT, R_SH_JMP_SLOT }, | |
363 | { BFD_RELOC_SH_RELATIVE, R_SH_RELATIVE }, | |
364 | { BFD_RELOC_32_GOTOFF, R_SH_GOTOFF }, | |
365 | { BFD_RELOC_SH_GOTPC, R_SH_GOTPC }, | |
fbca6ad9 | 366 | { BFD_RELOC_SH_GOTPLT32, R_SH_GOTPLT32 }, |
8e45593f NC |
367 | { BFD_RELOC_SH_GOT20, R_SH_GOT20 }, |
368 | { BFD_RELOC_SH_GOTOFF20, R_SH_GOTOFF20 }, | |
369 | { BFD_RELOC_SH_GOTFUNCDESC, R_SH_GOTFUNCDESC }, | |
370 | { BFD_RELOC_SH_GOTFUNCDESC20, R_SH_GOTFUNCDESC20 }, | |
371 | { BFD_RELOC_SH_GOTOFFFUNCDESC, R_SH_GOTOFFFUNCDESC }, | |
372 | { BFD_RELOC_SH_GOTOFFFUNCDESC20, R_SH_GOTOFFFUNCDESC20 }, | |
373 | { BFD_RELOC_SH_FUNCDESC, R_SH_FUNCDESC }, | |
fbca6ad9 AO |
374 | #ifdef INCLUDE_SHMEDIA |
375 | { BFD_RELOC_SH_GOT_LOW16, R_SH_GOT_LOW16 }, | |
376 | { BFD_RELOC_SH_GOT_MEDLOW16, R_SH_GOT_MEDLOW16 }, | |
377 | { BFD_RELOC_SH_GOT_MEDHI16, R_SH_GOT_MEDHI16 }, | |
378 | { BFD_RELOC_SH_GOT_HI16, R_SH_GOT_HI16 }, | |
379 | { BFD_RELOC_SH_GOTPLT_LOW16, R_SH_GOTPLT_LOW16 }, | |
380 | { BFD_RELOC_SH_GOTPLT_MEDLOW16, R_SH_GOTPLT_MEDLOW16 }, | |
381 | { BFD_RELOC_SH_GOTPLT_MEDHI16, R_SH_GOTPLT_MEDHI16 }, | |
382 | { BFD_RELOC_SH_GOTPLT_HI16, R_SH_GOTPLT_HI16 }, | |
383 | { BFD_RELOC_SH_PLT_LOW16, R_SH_PLT_LOW16 }, | |
384 | { BFD_RELOC_SH_PLT_MEDLOW16, R_SH_PLT_MEDLOW16 }, | |
385 | { BFD_RELOC_SH_PLT_MEDHI16, R_SH_PLT_MEDHI16 }, | |
386 | { BFD_RELOC_SH_PLT_HI16, R_SH_PLT_HI16 }, | |
387 | { BFD_RELOC_SH_GOTOFF_LOW16, R_SH_GOTOFF_LOW16 }, | |
388 | { BFD_RELOC_SH_GOTOFF_MEDLOW16, R_SH_GOTOFF_MEDLOW16 }, | |
389 | { BFD_RELOC_SH_GOTOFF_MEDHI16, R_SH_GOTOFF_MEDHI16 }, | |
390 | { BFD_RELOC_SH_GOTOFF_HI16, R_SH_GOTOFF_HI16 }, | |
391 | { BFD_RELOC_SH_GOTPC_LOW16, R_SH_GOTPC_LOW16 }, | |
392 | { BFD_RELOC_SH_GOTPC_MEDLOW16, R_SH_GOTPC_MEDLOW16 }, | |
393 | { BFD_RELOC_SH_GOTPC_MEDHI16, R_SH_GOTPC_MEDHI16 }, | |
394 | { BFD_RELOC_SH_GOTPC_HI16, R_SH_GOTPC_HI16 }, | |
395 | { BFD_RELOC_SH_COPY64, R_SH_COPY64 }, | |
396 | { BFD_RELOC_SH_GLOB_DAT64, R_SH_GLOB_DAT64 }, | |
397 | { BFD_RELOC_SH_JMP_SLOT64, R_SH_JMP_SLOT64 }, | |
398 | { BFD_RELOC_SH_RELATIVE64, R_SH_RELATIVE64 }, | |
399 | { BFD_RELOC_SH_GOT10BY4, R_SH_GOT10BY4 }, | |
400 | { BFD_RELOC_SH_GOT10BY8, R_SH_GOT10BY8 }, | |
401 | { BFD_RELOC_SH_GOTPLT10BY4, R_SH_GOTPLT10BY4 }, | |
402 | { BFD_RELOC_SH_GOTPLT10BY8, R_SH_GOTPLT10BY8 }, | |
403 | { BFD_RELOC_SH_PT_16, R_SH_PT_16 }, | |
404 | { BFD_RELOC_SH_SHMEDIA_CODE, R_SH_SHMEDIA_CODE }, | |
405 | { BFD_RELOC_SH_IMMU5, R_SH_DIR5U }, | |
406 | { BFD_RELOC_SH_IMMS6, R_SH_DIR6S }, | |
407 | { BFD_RELOC_SH_IMMU6, R_SH_DIR6U }, | |
408 | { BFD_RELOC_SH_IMMS10, R_SH_DIR10S }, | |
409 | { BFD_RELOC_SH_IMMS10BY2, R_SH_DIR10SW }, | |
410 | { BFD_RELOC_SH_IMMS10BY4, R_SH_DIR10SL }, | |
411 | { BFD_RELOC_SH_IMMS10BY8, R_SH_DIR10SQ }, | |
412 | { BFD_RELOC_SH_IMMS16, R_SH_IMMS16 }, | |
413 | { BFD_RELOC_SH_IMMU16, R_SH_IMMU16 }, | |
414 | { BFD_RELOC_SH_IMM_LOW16, R_SH_IMM_LOW16 }, | |
415 | { BFD_RELOC_SH_IMM_LOW16_PCREL, R_SH_IMM_LOW16_PCREL }, | |
416 | { BFD_RELOC_SH_IMM_MEDLOW16, R_SH_IMM_MEDLOW16 }, | |
417 | { BFD_RELOC_SH_IMM_MEDLOW16_PCREL, R_SH_IMM_MEDLOW16_PCREL }, | |
418 | { BFD_RELOC_SH_IMM_MEDHI16, R_SH_IMM_MEDHI16 }, | |
419 | { BFD_RELOC_SH_IMM_MEDHI16_PCREL, R_SH_IMM_MEDHI16_PCREL }, | |
420 | { BFD_RELOC_SH_IMM_HI16, R_SH_IMM_HI16 }, | |
421 | { BFD_RELOC_SH_IMM_HI16_PCREL, R_SH_IMM_HI16_PCREL }, | |
422 | { BFD_RELOC_64, R_SH_64 }, | |
423 | { BFD_RELOC_64_PCREL, R_SH_64_PCREL }, | |
424 | #endif /* not INCLUDE_SHMEDIA */ | |
252b5132 RH |
425 | }; |
426 | ||
427 | /* Given a BFD reloc code, return the howto structure for the | |
55e6e397 | 428 | corresponding SH ELF reloc. */ |
252b5132 RH |
429 | |
430 | static reloc_howto_type * | |
55e6e397 | 431 | sh_elf_reloc_type_lookup (bfd *abfd, bfd_reloc_code_real_type code) |
252b5132 RH |
432 | { |
433 | unsigned int i; | |
434 | ||
435 | for (i = 0; i < sizeof (sh_reloc_map) / sizeof (struct elf_reloc_map); i++) | |
436 | { | |
437 | if (sh_reloc_map[i].bfd_reloc_val == code) | |
55e6e397 | 438 | return get_howto_table (abfd) + (int) sh_reloc_map[i].elf_reloc_val; |
252b5132 RH |
439 | } |
440 | ||
441 | return NULL; | |
442 | } | |
443 | ||
157090f7 AM |
444 | static reloc_howto_type * |
445 | sh_elf_reloc_name_lookup (bfd *abfd, const char *r_name) | |
446 | { | |
447 | unsigned int i; | |
448 | ||
449 | if (vxworks_object_p (abfd)) | |
450 | { | |
451 | for (i = 0; | |
452 | i < (sizeof (sh_vxworks_howto_table) | |
453 | / sizeof (sh_vxworks_howto_table[0])); | |
454 | i++) | |
455 | if (sh_vxworks_howto_table[i].name != NULL | |
456 | && strcasecmp (sh_vxworks_howto_table[i].name, r_name) == 0) | |
457 | return &sh_vxworks_howto_table[i]; | |
458 | } | |
459 | else | |
460 | { | |
461 | for (i = 0; | |
462 | i < (sizeof (sh_elf_howto_table) | |
463 | / sizeof (sh_elf_howto_table[0])); | |
464 | i++) | |
465 | if (sh_elf_howto_table[i].name != NULL | |
466 | && strcasecmp (sh_elf_howto_table[i].name, r_name) == 0) | |
467 | return &sh_elf_howto_table[i]; | |
468 | } | |
469 | ||
470 | return NULL; | |
471 | } | |
472 | ||
252b5132 RH |
473 | /* Given an ELF reloc, fill in the howto field of a relent. */ |
474 | ||
475 | static void | |
55e6e397 | 476 | sh_elf_info_to_howto (bfd *abfd, arelent *cache_ptr, Elf_Internal_Rela *dst) |
252b5132 RH |
477 | { |
478 | unsigned int r; | |
479 | ||
480 | r = ELF32_R_TYPE (dst->r_info); | |
481 | ||
cd21f5da NC |
482 | if (r >= R_SH_max |
483 | || (r >= R_SH_FIRST_INVALID_RELOC && r <= R_SH_LAST_INVALID_RELOC) | |
484 | || (r >= R_SH_FIRST_INVALID_RELOC_2 && r <= R_SH_LAST_INVALID_RELOC_2) | |
485 | || (r >= R_SH_FIRST_INVALID_RELOC_3 && r <= R_SH_LAST_INVALID_RELOC_3) | |
486 | || (r >= R_SH_FIRST_INVALID_RELOC_4 && r <= R_SH_LAST_INVALID_RELOC_4) | |
487 | || (r >= R_SH_FIRST_INVALID_RELOC_5 && r <= R_SH_LAST_INVALID_RELOC_5) | |
488 | || (r >= R_SH_FIRST_INVALID_RELOC_6 && r <= R_SH_LAST_INVALID_RELOC_6)) | |
489 | { | |
695344c0 | 490 | /* xgettext:c-format */ |
4eca0228 AM |
491 | _bfd_error_handler (_("%B: unrecognised SH reloc number: %d"), |
492 | abfd, r); | |
cd21f5da NC |
493 | bfd_set_error (bfd_error_bad_value); |
494 | r = R_SH_NONE; | |
495 | } | |
252b5132 | 496 | |
55e6e397 | 497 | cache_ptr->howto = get_howto_table (abfd) + r; |
252b5132 RH |
498 | } |
499 | \f | |
500 | /* This function handles relaxing for SH ELF. See the corresponding | |
501 | function in coff-sh.c for a description of what this does. FIXME: | |
502 | There is a lot of duplication here between this code and the COFF | |
503 | specific code. The format of relocs and symbols is wound deeply | |
504 | into this code, but it would still be better if the duplication | |
505 | could be eliminated somehow. Note in particular that although both | |
506 | functions use symbols like R_SH_CODE, those symbols have different | |
507 | values; in coff-sh.c they come from include/coff/sh.h, whereas here | |
508 | they come from enum elf_sh_reloc_type in include/elf/sh.h. */ | |
509 | ||
b34976b6 | 510 | static bfd_boolean |
09fd220b KK |
511 | sh_elf_relax_section (bfd *abfd, asection *sec, |
512 | struct bfd_link_info *link_info, bfd_boolean *again) | |
252b5132 RH |
513 | { |
514 | Elf_Internal_Shdr *symtab_hdr; | |
515 | Elf_Internal_Rela *internal_relocs; | |
b34976b6 | 516 | bfd_boolean have_code; |
252b5132 RH |
517 | Elf_Internal_Rela *irel, *irelend; |
518 | bfd_byte *contents = NULL; | |
6cdc0ccc | 519 | Elf_Internal_Sym *isymbuf = NULL; |
252b5132 | 520 | |
b34976b6 | 521 | *again = FALSE; |
252b5132 | 522 | |
0e1862bb | 523 | if (bfd_link_relocatable (link_info) |
252b5132 RH |
524 | || (sec->flags & SEC_RELOC) == 0 |
525 | || sec->reloc_count == 0) | |
b34976b6 | 526 | return TRUE; |
252b5132 | 527 | |
fbca6ad9 AO |
528 | #ifdef INCLUDE_SHMEDIA |
529 | if (elf_section_data (sec)->this_hdr.sh_flags | |
530 | & (SHF_SH5_ISA32 | SHF_SH5_ISA32_MIXED)) | |
531 | { | |
b34976b6 | 532 | return TRUE; |
fbca6ad9 AO |
533 | } |
534 | #endif | |
535 | ||
0ffa91dd | 536 | symtab_hdr = &elf_symtab_hdr (abfd); |
252b5132 | 537 | |
45d6a902 | 538 | internal_relocs = (_bfd_elf_link_read_relocs |
09fd220b | 539 | (abfd, sec, NULL, (Elf_Internal_Rela *) NULL, |
252b5132 RH |
540 | link_info->keep_memory)); |
541 | if (internal_relocs == NULL) | |
542 | goto error_return; | |
252b5132 | 543 | |
b34976b6 | 544 | have_code = FALSE; |
252b5132 RH |
545 | |
546 | irelend = internal_relocs + sec->reloc_count; | |
547 | for (irel = internal_relocs; irel < irelend; irel++) | |
548 | { | |
549 | bfd_vma laddr, paddr, symval; | |
550 | unsigned short insn; | |
551 | Elf_Internal_Rela *irelfn, *irelscan, *irelcount; | |
552 | bfd_signed_vma foff; | |
553 | ||
554 | if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_CODE) | |
b34976b6 | 555 | have_code = TRUE; |
252b5132 RH |
556 | |
557 | if (ELF32_R_TYPE (irel->r_info) != (int) R_SH_USES) | |
558 | continue; | |
559 | ||
560 | /* Get the section contents. */ | |
561 | if (contents == NULL) | |
562 | { | |
563 | if (elf_section_data (sec)->this_hdr.contents != NULL) | |
564 | contents = elf_section_data (sec)->this_hdr.contents; | |
565 | else | |
566 | { | |
eea6121a | 567 | if (!bfd_malloc_and_get_section (abfd, sec, &contents)) |
252b5132 RH |
568 | goto error_return; |
569 | } | |
570 | } | |
571 | ||
572 | /* The r_addend field of the R_SH_USES reloc will point us to | |
067653c5 AM |
573 | the register load. The 4 is because the r_addend field is |
574 | computed as though it were a jump offset, which are based | |
575 | from 4 bytes after the jump instruction. */ | |
252b5132 | 576 | laddr = irel->r_offset + 4 + irel->r_addend; |
eea6121a | 577 | if (laddr >= sec->size) |
252b5132 | 578 | { |
695344c0 | 579 | /* xgettext:c-format */ |
4eca0228 AM |
580 | _bfd_error_handler (_("%B: 0x%lx: warning: bad R_SH_USES offset"), |
581 | abfd, (unsigned long) irel->r_offset); | |
252b5132 RH |
582 | continue; |
583 | } | |
584 | insn = bfd_get_16 (abfd, contents + laddr); | |
585 | ||
586 | /* If the instruction is not mov.l NN,rN, we don't know what to | |
067653c5 | 587 | do. */ |
252b5132 RH |
588 | if ((insn & 0xf000) != 0xd000) |
589 | { | |
4eca0228 | 590 | _bfd_error_handler |
695344c0 | 591 | /* xgettext:c-format */ |
4eca0228 AM |
592 | (_("%B: 0x%lx: warning: R_SH_USES points to unrecognized insn 0x%x"), |
593 | abfd, (unsigned long) irel->r_offset, insn); | |
252b5132 RH |
594 | continue; |
595 | } | |
596 | ||
597 | /* Get the address from which the register is being loaded. The | |
99e4ae17 AJ |
598 | displacement in the mov.l instruction is quadrupled. It is a |
599 | displacement from four bytes after the movl instruction, but, | |
600 | before adding in the PC address, two least significant bits | |
601 | of the PC are cleared. We assume that the section is aligned | |
602 | on a four byte boundary. */ | |
252b5132 RH |
603 | paddr = insn & 0xff; |
604 | paddr *= 4; | |
dc810e39 | 605 | paddr += (laddr + 4) &~ (bfd_vma) 3; |
eea6121a | 606 | if (paddr >= sec->size) |
252b5132 | 607 | { |
4eca0228 | 608 | _bfd_error_handler |
695344c0 | 609 | /* xgettext:c-format */ |
4eca0228 AM |
610 | (_("%B: 0x%lx: warning: bad R_SH_USES load offset"), |
611 | abfd, (unsigned long) irel->r_offset); | |
252b5132 RH |
612 | continue; |
613 | } | |
614 | ||
615 | /* Get the reloc for the address from which the register is | |
067653c5 AM |
616 | being loaded. This reloc will tell us which function is |
617 | actually being called. */ | |
252b5132 RH |
618 | for (irelfn = internal_relocs; irelfn < irelend; irelfn++) |
619 | if (irelfn->r_offset == paddr | |
620 | && ELF32_R_TYPE (irelfn->r_info) == (int) R_SH_DIR32) | |
621 | break; | |
622 | if (irelfn >= irelend) | |
623 | { | |
4eca0228 | 624 | _bfd_error_handler |
695344c0 | 625 | /* xgettext:c-format */ |
4eca0228 AM |
626 | (_("%B: 0x%lx: warning: could not find expected reloc"), |
627 | abfd, (unsigned long) paddr); | |
252b5132 RH |
628 | continue; |
629 | } | |
630 | ||
631 | /* Read this BFD's symbols if we haven't done so already. */ | |
6cdc0ccc | 632 | if (isymbuf == NULL && symtab_hdr->sh_info != 0) |
252b5132 | 633 | { |
6cdc0ccc AM |
634 | isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents; |
635 | if (isymbuf == NULL) | |
636 | isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr, | |
637 | symtab_hdr->sh_info, 0, | |
638 | NULL, NULL, NULL); | |
639 | if (isymbuf == NULL) | |
640 | goto error_return; | |
252b5132 RH |
641 | } |
642 | ||
643 | /* Get the value of the symbol referred to by the reloc. */ | |
644 | if (ELF32_R_SYM (irelfn->r_info) < symtab_hdr->sh_info) | |
645 | { | |
9ad5cbcf | 646 | /* A local symbol. */ |
6cdc0ccc | 647 | Elf_Internal_Sym *isym; |
252b5132 | 648 | |
6cdc0ccc AM |
649 | isym = isymbuf + ELF32_R_SYM (irelfn->r_info); |
650 | if (isym->st_shndx | |
d426c6b0 | 651 | != (unsigned int) _bfd_elf_section_from_bfd_section (abfd, sec)) |
252b5132 | 652 | { |
4eca0228 | 653 | _bfd_error_handler |
695344c0 | 654 | /* xgettext:c-format */ |
4eca0228 AM |
655 | (_("%B: 0x%lx: warning: symbol in unexpected section"), |
656 | abfd, (unsigned long) paddr); | |
252b5132 RH |
657 | continue; |
658 | } | |
659 | ||
6cdc0ccc | 660 | symval = (isym->st_value |
252b5132 RH |
661 | + sec->output_section->vma |
662 | + sec->output_offset); | |
663 | } | |
664 | else | |
665 | { | |
666 | unsigned long indx; | |
667 | struct elf_link_hash_entry *h; | |
668 | ||
669 | indx = ELF32_R_SYM (irelfn->r_info) - symtab_hdr->sh_info; | |
670 | h = elf_sym_hashes (abfd)[indx]; | |
671 | BFD_ASSERT (h != NULL); | |
672 | if (h->root.type != bfd_link_hash_defined | |
673 | && h->root.type != bfd_link_hash_defweak) | |
674 | { | |
675 | /* This appears to be a reference to an undefined | |
067653c5 AM |
676 | symbol. Just ignore it--it will be caught by the |
677 | regular reloc processing. */ | |
252b5132 RH |
678 | continue; |
679 | } | |
680 | ||
681 | symval = (h->root.u.def.value | |
682 | + h->root.u.def.section->output_section->vma | |
683 | + h->root.u.def.section->output_offset); | |
684 | } | |
685 | ||
55e6e397 RS |
686 | if (get_howto_table (abfd)[R_SH_DIR32].partial_inplace) |
687 | symval += bfd_get_32 (abfd, contents + paddr); | |
688 | else | |
689 | symval += irelfn->r_addend; | |
252b5132 RH |
690 | |
691 | /* See if this function call can be shortened. */ | |
692 | foff = (symval | |
693 | - (irel->r_offset | |
694 | + sec->output_section->vma | |
695 | + sec->output_offset | |
696 | + 4)); | |
f725025b DD |
697 | /* A branch to an address beyond ours might be increased by an |
698 | .align that doesn't move when bytes behind us are deleted. | |
699 | So, we add some slop in this calculation to allow for | |
700 | that. */ | |
701 | if (foff < -0x1000 || foff >= 0x1000 - 8) | |
252b5132 RH |
702 | { |
703 | /* After all that work, we can't shorten this function call. */ | |
704 | continue; | |
705 | } | |
706 | ||
707 | /* Shorten the function call. */ | |
708 | ||
709 | /* For simplicity of coding, we are going to modify the section | |
710 | contents, the section relocs, and the BFD symbol table. We | |
711 | must tell the rest of the code not to free up this | |
712 | information. It would be possible to instead create a table | |
713 | of changes which have to be made, as is done in coff-mips.c; | |
714 | that would be more work, but would require less memory when | |
715 | the linker is run. */ | |
716 | ||
717 | elf_section_data (sec)->relocs = internal_relocs; | |
252b5132 | 718 | elf_section_data (sec)->this_hdr.contents = contents; |
6cdc0ccc | 719 | symtab_hdr->contents = (unsigned char *) isymbuf; |
252b5132 | 720 | |
8c784016 | 721 | /* Replace the jmp/jsr with a bra/bsr. */ |
252b5132 RH |
722 | |
723 | /* Change the R_SH_USES reloc into an R_SH_IND12W reloc, and | |
8c784016 | 724 | replace the jmp/jsr with a bra/bsr. */ |
252b5132 | 725 | irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irelfn->r_info), R_SH_IND12W); |
bdfaef52 JR |
726 | /* We used to test (ELF32_R_SYM (irelfn->r_info) < symtab_hdr->sh_info) |
727 | here, but that only checks if the symbol is an external symbol, | |
728 | not if the symbol is in a different section. Besides, we need | |
729 | a consistent meaning for the relocation, so we just assume here that | |
730 | the value of the symbol is not available. */ | |
0e71e495 BE |
731 | |
732 | /* We can't fully resolve this yet, because the external | |
733 | symbol value may be changed by future relaxing. We let | |
734 | the final link phase handle it. */ | |
8c784016 KK |
735 | if (bfd_get_16 (abfd, contents + irel->r_offset) & 0x0020) |
736 | bfd_put_16 (abfd, (bfd_vma) 0xa000, contents + irel->r_offset); | |
737 | else | |
738 | bfd_put_16 (abfd, (bfd_vma) 0xb000, contents + irel->r_offset); | |
0e71e495 | 739 | |
bdfaef52 | 740 | irel->r_addend = -4; |
252b5132 | 741 | |
f725025b DD |
742 | /* When we calculated the symbol "value" we had an offset in the |
743 | DIR32's word in memory (we read and add it above). However, | |
744 | the jsr we create does NOT have this offset encoded, so we | |
745 | have to add it to the addend to preserve it. */ | |
746 | irel->r_addend += bfd_get_32 (abfd, contents + paddr); | |
747 | ||
252b5132 | 748 | /* See if there is another R_SH_USES reloc referring to the same |
067653c5 | 749 | register load. */ |
252b5132 RH |
750 | for (irelscan = internal_relocs; irelscan < irelend; irelscan++) |
751 | if (ELF32_R_TYPE (irelscan->r_info) == (int) R_SH_USES | |
752 | && laddr == irelscan->r_offset + 4 + irelscan->r_addend) | |
753 | break; | |
754 | if (irelscan < irelend) | |
755 | { | |
756 | /* Some other function call depends upon this register load, | |
757 | and we have not yet converted that function call. | |
758 | Indeed, we may never be able to convert it. There is | |
759 | nothing else we can do at this point. */ | |
760 | continue; | |
761 | } | |
762 | ||
763 | /* Look for a R_SH_COUNT reloc on the location where the | |
067653c5 AM |
764 | function address is stored. Do this before deleting any |
765 | bytes, to avoid confusion about the address. */ | |
252b5132 RH |
766 | for (irelcount = internal_relocs; irelcount < irelend; irelcount++) |
767 | if (irelcount->r_offset == paddr | |
768 | && ELF32_R_TYPE (irelcount->r_info) == (int) R_SH_COUNT) | |
769 | break; | |
770 | ||
771 | /* Delete the register load. */ | |
772 | if (! sh_elf_relax_delete_bytes (abfd, sec, laddr, 2)) | |
773 | goto error_return; | |
774 | ||
775 | /* That will change things, so, just in case it permits some | |
067653c5 AM |
776 | other function call to come within range, we should relax |
777 | again. Note that this is not required, and it may be slow. */ | |
b34976b6 | 778 | *again = TRUE; |
252b5132 RH |
779 | |
780 | /* Now check whether we got a COUNT reloc. */ | |
781 | if (irelcount >= irelend) | |
782 | { | |
4eca0228 | 783 | _bfd_error_handler |
695344c0 | 784 | /* xgettext:c-format */ |
4eca0228 AM |
785 | (_("%B: 0x%lx: warning: could not find expected COUNT reloc"), |
786 | abfd, (unsigned long) paddr); | |
252b5132 RH |
787 | continue; |
788 | } | |
789 | ||
790 | /* The number of uses is stored in the r_addend field. We've | |
067653c5 | 791 | just deleted one. */ |
252b5132 RH |
792 | if (irelcount->r_addend == 0) |
793 | { | |
695344c0 | 794 | /* xgettext:c-format */ |
4eca0228 AM |
795 | _bfd_error_handler (_("%B: 0x%lx: warning: bad count"), |
796 | abfd, (unsigned long) paddr); | |
252b5132 RH |
797 | continue; |
798 | } | |
799 | ||
800 | --irelcount->r_addend; | |
801 | ||
802 | /* If there are no more uses, we can delete the address. Reload | |
067653c5 AM |
803 | the address from irelfn, in case it was changed by the |
804 | previous call to sh_elf_relax_delete_bytes. */ | |
252b5132 RH |
805 | if (irelcount->r_addend == 0) |
806 | { | |
807 | if (! sh_elf_relax_delete_bytes (abfd, sec, irelfn->r_offset, 4)) | |
808 | goto error_return; | |
809 | } | |
810 | ||
811 | /* We've done all we can with that function call. */ | |
812 | } | |
813 | ||
814 | /* Look for load and store instructions that we can align on four | |
815 | byte boundaries. */ | |
bdfaef52 JR |
816 | if ((elf_elfheader (abfd)->e_flags & EF_SH_MACH_MASK) != EF_SH4 |
817 | && have_code) | |
252b5132 | 818 | { |
b34976b6 | 819 | bfd_boolean swapped; |
252b5132 RH |
820 | |
821 | /* Get the section contents. */ | |
822 | if (contents == NULL) | |
823 | { | |
824 | if (elf_section_data (sec)->this_hdr.contents != NULL) | |
825 | contents = elf_section_data (sec)->this_hdr.contents; | |
826 | else | |
827 | { | |
eea6121a | 828 | if (!bfd_malloc_and_get_section (abfd, sec, &contents)) |
252b5132 RH |
829 | goto error_return; |
830 | } | |
831 | } | |
832 | ||
833 | if (! sh_elf_align_loads (abfd, sec, internal_relocs, contents, | |
834 | &swapped)) | |
835 | goto error_return; | |
836 | ||
837 | if (swapped) | |
838 | { | |
839 | elf_section_data (sec)->relocs = internal_relocs; | |
252b5132 | 840 | elf_section_data (sec)->this_hdr.contents = contents; |
6cdc0ccc | 841 | symtab_hdr->contents = (unsigned char *) isymbuf; |
252b5132 RH |
842 | } |
843 | } | |
844 | ||
6cdc0ccc AM |
845 | if (isymbuf != NULL |
846 | && symtab_hdr->contents != (unsigned char *) isymbuf) | |
252b5132 RH |
847 | { |
848 | if (! link_info->keep_memory) | |
6cdc0ccc | 849 | free (isymbuf); |
252b5132 RH |
850 | else |
851 | { | |
6cdc0ccc AM |
852 | /* Cache the symbols for elf_link_input_bfd. */ |
853 | symtab_hdr->contents = (unsigned char *) isymbuf; | |
252b5132 | 854 | } |
9ad5cbcf AM |
855 | } |
856 | ||
6cdc0ccc AM |
857 | if (contents != NULL |
858 | && elf_section_data (sec)->this_hdr.contents != contents) | |
252b5132 RH |
859 | { |
860 | if (! link_info->keep_memory) | |
6cdc0ccc AM |
861 | free (contents); |
862 | else | |
252b5132 | 863 | { |
6cdc0ccc AM |
864 | /* Cache the section contents for elf_link_input_bfd. */ |
865 | elf_section_data (sec)->this_hdr.contents = contents; | |
252b5132 | 866 | } |
252b5132 RH |
867 | } |
868 | ||
6cdc0ccc AM |
869 | if (internal_relocs != NULL |
870 | && elf_section_data (sec)->relocs != internal_relocs) | |
871 | free (internal_relocs); | |
872 | ||
b34976b6 | 873 | return TRUE; |
252b5132 RH |
874 | |
875 | error_return: | |
6cdc0ccc AM |
876 | if (isymbuf != NULL |
877 | && symtab_hdr->contents != (unsigned char *) isymbuf) | |
878 | free (isymbuf); | |
879 | if (contents != NULL | |
880 | && elf_section_data (sec)->this_hdr.contents != contents) | |
881 | free (contents); | |
882 | if (internal_relocs != NULL | |
883 | && elf_section_data (sec)->relocs != internal_relocs) | |
884 | free (internal_relocs); | |
9ad5cbcf | 885 | |
b34976b6 | 886 | return FALSE; |
252b5132 RH |
887 | } |
888 | ||
889 | /* Delete some bytes from a section while relaxing. FIXME: There is a | |
890 | lot of duplication between this function and sh_relax_delete_bytes | |
891 | in coff-sh.c. */ | |
892 | ||
b34976b6 | 893 | static bfd_boolean |
09fd220b KK |
894 | sh_elf_relax_delete_bytes (bfd *abfd, asection *sec, bfd_vma addr, |
895 | int count) | |
252b5132 RH |
896 | { |
897 | Elf_Internal_Shdr *symtab_hdr; | |
9ad5cbcf | 898 | unsigned int sec_shndx; |
252b5132 RH |
899 | bfd_byte *contents; |
900 | Elf_Internal_Rela *irel, *irelend; | |
901 | Elf_Internal_Rela *irelalign; | |
902 | bfd_vma toaddr; | |
6cdc0ccc | 903 | Elf_Internal_Sym *isymbuf, *isym, *isymend; |
9ad5cbcf AM |
904 | struct elf_link_hash_entry **sym_hashes; |
905 | struct elf_link_hash_entry **end_hashes; | |
906 | unsigned int symcount; | |
252b5132 RH |
907 | asection *o; |
908 | ||
0ffa91dd | 909 | symtab_hdr = &elf_symtab_hdr (abfd); |
6cdc0ccc | 910 | isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents; |
9ad5cbcf AM |
911 | |
912 | sec_shndx = _bfd_elf_section_from_bfd_section (abfd, sec); | |
252b5132 RH |
913 | |
914 | contents = elf_section_data (sec)->this_hdr.contents; | |
915 | ||
916 | /* The deletion must stop at the next ALIGN reloc for an aligment | |
917 | power larger than the number of bytes we are deleting. */ | |
918 | ||
919 | irelalign = NULL; | |
eea6121a | 920 | toaddr = sec->size; |
252b5132 RH |
921 | |
922 | irel = elf_section_data (sec)->relocs; | |
923 | irelend = irel + sec->reloc_count; | |
924 | for (; irel < irelend; irel++) | |
925 | { | |
926 | if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_ALIGN | |
927 | && irel->r_offset > addr | |
928 | && count < (1 << irel->r_addend)) | |
929 | { | |
930 | irelalign = irel; | |
931 | toaddr = irel->r_offset; | |
932 | break; | |
933 | } | |
934 | } | |
935 | ||
936 | /* Actually delete the bytes. */ | |
dc810e39 AM |
937 | memmove (contents + addr, contents + addr + count, |
938 | (size_t) (toaddr - addr - count)); | |
252b5132 | 939 | if (irelalign == NULL) |
eea6121a | 940 | sec->size -= count; |
252b5132 RH |
941 | else |
942 | { | |
943 | int i; | |
944 | ||
945 | #define NOP_OPCODE (0x0009) | |
946 | ||
947 | BFD_ASSERT ((count & 1) == 0); | |
948 | for (i = 0; i < count; i += 2) | |
dc810e39 | 949 | bfd_put_16 (abfd, (bfd_vma) NOP_OPCODE, contents + toaddr - count + i); |
252b5132 RH |
950 | } |
951 | ||
952 | /* Adjust all the relocs. */ | |
953 | for (irel = elf_section_data (sec)->relocs; irel < irelend; irel++) | |
954 | { | |
955 | bfd_vma nraddr, stop; | |
956 | bfd_vma start = 0; | |
957 | int insn = 0; | |
252b5132 RH |
958 | int off, adjust, oinsn; |
959 | bfd_signed_vma voff = 0; | |
b34976b6 | 960 | bfd_boolean overflow; |
252b5132 RH |
961 | |
962 | /* Get the new reloc address. */ | |
963 | nraddr = irel->r_offset; | |
964 | if ((irel->r_offset > addr | |
965 | && irel->r_offset < toaddr) | |
966 | || (ELF32_R_TYPE (irel->r_info) == (int) R_SH_ALIGN | |
967 | && irel->r_offset == toaddr)) | |
968 | nraddr -= count; | |
969 | ||
970 | /* See if this reloc was for the bytes we have deleted, in which | |
971 | case we no longer care about it. Don't delete relocs which | |
972 | represent addresses, though. */ | |
973 | if (irel->r_offset >= addr | |
974 | && irel->r_offset < addr + count | |
975 | && ELF32_R_TYPE (irel->r_info) != (int) R_SH_ALIGN | |
976 | && ELF32_R_TYPE (irel->r_info) != (int) R_SH_CODE | |
977 | && ELF32_R_TYPE (irel->r_info) != (int) R_SH_DATA | |
978 | && ELF32_R_TYPE (irel->r_info) != (int) R_SH_LABEL) | |
979 | irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info), | |
980 | (int) R_SH_NONE); | |
981 | ||
982 | /* If this is a PC relative reloc, see if the range it covers | |
067653c5 | 983 | includes the bytes we have deleted. */ |
252b5132 RH |
984 | switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info)) |
985 | { | |
986 | default: | |
987 | break; | |
988 | ||
989 | case R_SH_DIR8WPN: | |
990 | case R_SH_IND12W: | |
991 | case R_SH_DIR8WPZ: | |
992 | case R_SH_DIR8WPL: | |
993 | start = irel->r_offset; | |
994 | insn = bfd_get_16 (abfd, contents + nraddr); | |
995 | break; | |
996 | } | |
997 | ||
998 | switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info)) | |
999 | { | |
1000 | default: | |
1001 | start = stop = addr; | |
1002 | break; | |
1003 | ||
1004 | case R_SH_DIR32: | |
1005 | /* If this reloc is against a symbol defined in this | |
067653c5 AM |
1006 | section, and the symbol will not be adjusted below, we |
1007 | must check the addend to see it will put the value in | |
1008 | range to be adjusted, and hence must be changed. */ | |
252b5132 RH |
1009 | if (ELF32_R_SYM (irel->r_info) < symtab_hdr->sh_info) |
1010 | { | |
6cdc0ccc AM |
1011 | isym = isymbuf + ELF32_R_SYM (irel->r_info); |
1012 | if (isym->st_shndx == sec_shndx | |
1013 | && (isym->st_value <= addr | |
1014 | || isym->st_value >= toaddr)) | |
252b5132 RH |
1015 | { |
1016 | bfd_vma val; | |
1017 | ||
55e6e397 RS |
1018 | if (get_howto_table (abfd)[R_SH_DIR32].partial_inplace) |
1019 | { | |
1020 | val = bfd_get_32 (abfd, contents + nraddr); | |
1021 | val += isym->st_value; | |
1022 | if (val > addr && val < toaddr) | |
1023 | bfd_put_32 (abfd, val - count, contents + nraddr); | |
1024 | } | |
1025 | else | |
1026 | { | |
1027 | val = isym->st_value + irel->r_addend; | |
1028 | if (val > addr && val < toaddr) | |
1029 | irel->r_addend -= count; | |
1030 | } | |
252b5132 RH |
1031 | } |
1032 | } | |
1033 | start = stop = addr; | |
1034 | break; | |
1035 | ||
1036 | case R_SH_DIR8WPN: | |
1037 | off = insn & 0xff; | |
1038 | if (off & 0x80) | |
1039 | off -= 0x100; | |
1040 | stop = (bfd_vma) ((bfd_signed_vma) start + 4 + off * 2); | |
1041 | break; | |
1042 | ||
1043 | case R_SH_IND12W: | |
bdfaef52 JR |
1044 | off = insn & 0xfff; |
1045 | if (! off) | |
1046 | { | |
1047 | /* This has been made by previous relaxation. Since the | |
1048 | relocation will be against an external symbol, the | |
1049 | final relocation will just do the right thing. */ | |
1050 | start = stop = addr; | |
1051 | } | |
252b5132 RH |
1052 | else |
1053 | { | |
252b5132 RH |
1054 | if (off & 0x800) |
1055 | off -= 0x1000; | |
1056 | stop = (bfd_vma) ((bfd_signed_vma) start + 4 + off * 2); | |
bdfaef52 JR |
1057 | |
1058 | /* The addend will be against the section symbol, thus | |
1059 | for adjusting the addend, the relevant start is the | |
1060 | start of the section. | |
4cc11e76 | 1061 | N.B. If we want to abandon in-place changes here and |
bdfaef52 JR |
1062 | test directly using symbol + addend, we have to take into |
1063 | account that the addend has already been adjusted by -4. */ | |
1064 | if (stop > addr && stop < toaddr) | |
1065 | irel->r_addend -= count; | |
252b5132 RH |
1066 | } |
1067 | break; | |
1068 | ||
1069 | case R_SH_DIR8WPZ: | |
1070 | off = insn & 0xff; | |
1071 | stop = start + 4 + off * 2; | |
1072 | break; | |
1073 | ||
1074 | case R_SH_DIR8WPL: | |
1075 | off = insn & 0xff; | |
435b1e90 | 1076 | stop = (start & ~(bfd_vma) 3) + 4 + off * 4; |
252b5132 RH |
1077 | break; |
1078 | ||
1079 | case R_SH_SWITCH8: | |
1080 | case R_SH_SWITCH16: | |
1081 | case R_SH_SWITCH32: | |
1082 | /* These relocs types represent | |
1083 | .word L2-L1 | |
06e1ba78 | 1084 | The r_addend field holds the difference between the reloc |
252b5132 RH |
1085 | address and L1. That is the start of the reloc, and |
1086 | adding in the contents gives us the top. We must adjust | |
06e1ba78 JR |
1087 | both the r_offset field and the section contents. |
1088 | N.B. in gas / coff bfd, the elf bfd r_addend is called r_offset, | |
1089 | and the elf bfd r_offset is called r_vaddr. */ | |
252b5132 | 1090 | |
06e1ba78 JR |
1091 | stop = irel->r_offset; |
1092 | start = (bfd_vma) ((bfd_signed_vma) stop - (long) irel->r_addend); | |
252b5132 RH |
1093 | |
1094 | if (start > addr | |
1095 | && start < toaddr | |
1096 | && (stop <= addr || stop >= toaddr)) | |
1097 | irel->r_addend += count; | |
1098 | else if (stop > addr | |
1099 | && stop < toaddr | |
1100 | && (start <= addr || start >= toaddr)) | |
1101 | irel->r_addend -= count; | |
1102 | ||
252b5132 RH |
1103 | if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_SWITCH16) |
1104 | voff = bfd_get_signed_16 (abfd, contents + nraddr); | |
1105 | else if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_SWITCH8) | |
1106 | voff = bfd_get_8 (abfd, contents + nraddr); | |
1107 | else | |
1108 | voff = bfd_get_signed_32 (abfd, contents + nraddr); | |
1109 | stop = (bfd_vma) ((bfd_signed_vma) start + voff); | |
1110 | ||
1111 | break; | |
1112 | ||
1113 | case R_SH_USES: | |
1114 | start = irel->r_offset; | |
1115 | stop = (bfd_vma) ((bfd_signed_vma) start | |
1116 | + (long) irel->r_addend | |
1117 | + 4); | |
1118 | break; | |
1119 | } | |
1120 | ||
1121 | if (start > addr | |
1122 | && start < toaddr | |
1123 | && (stop <= addr || stop >= toaddr)) | |
1124 | adjust = count; | |
1125 | else if (stop > addr | |
1126 | && stop < toaddr | |
1127 | && (start <= addr || start >= toaddr)) | |
1128 | adjust = - count; | |
1129 | else | |
1130 | adjust = 0; | |
1131 | ||
1132 | if (adjust != 0) | |
1133 | { | |
1134 | oinsn = insn; | |
b34976b6 | 1135 | overflow = FALSE; |
252b5132 RH |
1136 | switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info)) |
1137 | { | |
1138 | default: | |
1139 | abort (); | |
1140 | break; | |
1141 | ||
1142 | case R_SH_DIR8WPN: | |
1143 | case R_SH_DIR8WPZ: | |
1144 | insn += adjust / 2; | |
1145 | if ((oinsn & 0xff00) != (insn & 0xff00)) | |
b34976b6 | 1146 | overflow = TRUE; |
dc810e39 | 1147 | bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr); |
252b5132 RH |
1148 | break; |
1149 | ||
1150 | case R_SH_IND12W: | |
1151 | insn += adjust / 2; | |
1152 | if ((oinsn & 0xf000) != (insn & 0xf000)) | |
b34976b6 | 1153 | overflow = TRUE; |
dc810e39 | 1154 | bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr); |
252b5132 RH |
1155 | break; |
1156 | ||
1157 | case R_SH_DIR8WPL: | |
1158 | BFD_ASSERT (adjust == count || count >= 4); | |
1159 | if (count >= 4) | |
1160 | insn += adjust / 4; | |
1161 | else | |
1162 | { | |
1163 | if ((irel->r_offset & 3) == 0) | |
1164 | ++insn; | |
1165 | } | |
1166 | if ((oinsn & 0xff00) != (insn & 0xff00)) | |
b34976b6 | 1167 | overflow = TRUE; |
dc810e39 | 1168 | bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr); |
252b5132 RH |
1169 | break; |
1170 | ||
851cde10 JR |
1171 | case R_SH_SWITCH8: |
1172 | voff += adjust; | |
1173 | if (voff < 0 || voff >= 0xff) | |
b34976b6 | 1174 | overflow = TRUE; |
851cde10 JR |
1175 | bfd_put_8 (abfd, voff, contents + nraddr); |
1176 | break; | |
1177 | ||
252b5132 RH |
1178 | case R_SH_SWITCH16: |
1179 | voff += adjust; | |
1180 | if (voff < - 0x8000 || voff >= 0x8000) | |
b34976b6 | 1181 | overflow = TRUE; |
dc810e39 | 1182 | bfd_put_signed_16 (abfd, (bfd_vma) voff, contents + nraddr); |
252b5132 RH |
1183 | break; |
1184 | ||
1185 | case R_SH_SWITCH32: | |
1186 | voff += adjust; | |
dc810e39 | 1187 | bfd_put_signed_32 (abfd, (bfd_vma) voff, contents + nraddr); |
252b5132 RH |
1188 | break; |
1189 | ||
1190 | case R_SH_USES: | |
1191 | irel->r_addend += adjust; | |
1192 | break; | |
1193 | } | |
1194 | ||
1195 | if (overflow) | |
1196 | { | |
4eca0228 | 1197 | _bfd_error_handler |
695344c0 | 1198 | /* xgettext:c-format */ |
4eca0228 AM |
1199 | (_("%B: 0x%lx: fatal: reloc overflow while relaxing"), |
1200 | abfd, (unsigned long) irel->r_offset); | |
252b5132 | 1201 | bfd_set_error (bfd_error_bad_value); |
b34976b6 | 1202 | return FALSE; |
252b5132 RH |
1203 | } |
1204 | } | |
1205 | ||
1206 | irel->r_offset = nraddr; | |
1207 | } | |
1208 | ||
1209 | /* Look through all the other sections. If there contain any IMM32 | |
1210 | relocs against internal symbols which we are not going to adjust | |
1211 | below, we may need to adjust the addends. */ | |
1212 | for (o = abfd->sections; o != NULL; o = o->next) | |
1213 | { | |
1214 | Elf_Internal_Rela *internal_relocs; | |
1215 | Elf_Internal_Rela *irelscan, *irelscanend; | |
1216 | bfd_byte *ocontents; | |
1217 | ||
1218 | if (o == sec | |
1219 | || (o->flags & SEC_RELOC) == 0 | |
1220 | || o->reloc_count == 0) | |
1221 | continue; | |
1222 | ||
1223 | /* We always cache the relocs. Perhaps, if info->keep_memory is | |
b34976b6 | 1224 | FALSE, we should free them, if we are permitted to, when we |
067653c5 | 1225 | leave sh_coff_relax_section. */ |
45d6a902 | 1226 | internal_relocs = (_bfd_elf_link_read_relocs |
09fd220b | 1227 | (abfd, o, NULL, (Elf_Internal_Rela *) NULL, TRUE)); |
252b5132 | 1228 | if (internal_relocs == NULL) |
b34976b6 | 1229 | return FALSE; |
252b5132 RH |
1230 | |
1231 | ocontents = NULL; | |
1232 | irelscanend = internal_relocs + o->reloc_count; | |
1233 | for (irelscan = internal_relocs; irelscan < irelscanend; irelscan++) | |
1234 | { | |
084aa3aa JR |
1235 | /* Dwarf line numbers use R_SH_SWITCH32 relocs. */ |
1236 | if (ELF32_R_TYPE (irelscan->r_info) == (int) R_SH_SWITCH32) | |
1237 | { | |
1238 | bfd_vma start, stop; | |
1239 | bfd_signed_vma voff; | |
1240 | ||
1241 | if (ocontents == NULL) | |
1242 | { | |
1243 | if (elf_section_data (o)->this_hdr.contents != NULL) | |
1244 | ocontents = elf_section_data (o)->this_hdr.contents; | |
1245 | else | |
1246 | { | |
1247 | /* We always cache the section contents. | |
b34976b6 | 1248 | Perhaps, if info->keep_memory is FALSE, we |
067653c5 AM |
1249 | should free them, if we are permitted to, |
1250 | when we leave sh_coff_relax_section. */ | |
eea6121a AM |
1251 | if (!bfd_malloc_and_get_section (abfd, o, &ocontents)) |
1252 | { | |
1253 | if (ocontents != NULL) | |
1254 | free (ocontents); | |
1255 | return FALSE; | |
1256 | } | |
1257 | ||
084aa3aa JR |
1258 | elf_section_data (o)->this_hdr.contents = ocontents; |
1259 | } | |
1260 | } | |
1261 | ||
1262 | stop = irelscan->r_offset; | |
1263 | start | |
1264 | = (bfd_vma) ((bfd_signed_vma) stop - (long) irelscan->r_addend); | |
1265 | ||
1266 | /* STOP is in a different section, so it won't change. */ | |
1267 | if (start > addr && start < toaddr) | |
1268 | irelscan->r_addend += count; | |
1269 | ||
1270 | voff = bfd_get_signed_32 (abfd, ocontents + irelscan->r_offset); | |
1271 | stop = (bfd_vma) ((bfd_signed_vma) start + voff); | |
1272 | ||
1273 | if (start > addr | |
1274 | && start < toaddr | |
1275 | && (stop <= addr || stop >= toaddr)) | |
dc810e39 | 1276 | bfd_put_signed_32 (abfd, (bfd_vma) voff + count, |
084aa3aa JR |
1277 | ocontents + irelscan->r_offset); |
1278 | else if (stop > addr | |
1279 | && stop < toaddr | |
1280 | && (start <= addr || start >= toaddr)) | |
dc810e39 | 1281 | bfd_put_signed_32 (abfd, (bfd_vma) voff - count, |
084aa3aa JR |
1282 | ocontents + irelscan->r_offset); |
1283 | } | |
1284 | ||
252b5132 RH |
1285 | if (ELF32_R_TYPE (irelscan->r_info) != (int) R_SH_DIR32) |
1286 | continue; | |
1287 | ||
1288 | if (ELF32_R_SYM (irelscan->r_info) >= symtab_hdr->sh_info) | |
1289 | continue; | |
1290 | ||
252b5132 | 1291 | |
6cdc0ccc AM |
1292 | isym = isymbuf + ELF32_R_SYM (irelscan->r_info); |
1293 | if (isym->st_shndx == sec_shndx | |
1294 | && (isym->st_value <= addr | |
1295 | || isym->st_value >= toaddr)) | |
252b5132 RH |
1296 | { |
1297 | bfd_vma val; | |
1298 | ||
1299 | if (ocontents == NULL) | |
1300 | { | |
1301 | if (elf_section_data (o)->this_hdr.contents != NULL) | |
1302 | ocontents = elf_section_data (o)->this_hdr.contents; | |
1303 | else | |
1304 | { | |
1305 | /* We always cache the section contents. | |
b34976b6 | 1306 | Perhaps, if info->keep_memory is FALSE, we |
067653c5 AM |
1307 | should free them, if we are permitted to, |
1308 | when we leave sh_coff_relax_section. */ | |
eea6121a AM |
1309 | if (!bfd_malloc_and_get_section (abfd, o, &ocontents)) |
1310 | { | |
1311 | if (ocontents != NULL) | |
1312 | free (ocontents); | |
1313 | return FALSE; | |
1314 | } | |
1315 | ||
252b5132 RH |
1316 | elf_section_data (o)->this_hdr.contents = ocontents; |
1317 | } | |
1318 | } | |
1319 | ||
1320 | val = bfd_get_32 (abfd, ocontents + irelscan->r_offset); | |
6cdc0ccc | 1321 | val += isym->st_value; |
252b5132 RH |
1322 | if (val > addr && val < toaddr) |
1323 | bfd_put_32 (abfd, val - count, | |
1324 | ocontents + irelscan->r_offset); | |
1325 | } | |
1326 | } | |
1327 | } | |
1328 | ||
1329 | /* Adjust the local symbols defined in this section. */ | |
6cdc0ccc AM |
1330 | isymend = isymbuf + symtab_hdr->sh_info; |
1331 | for (isym = isymbuf; isym < isymend; isym++) | |
252b5132 | 1332 | { |
6cdc0ccc AM |
1333 | if (isym->st_shndx == sec_shndx |
1334 | && isym->st_value > addr | |
1335 | && isym->st_value < toaddr) | |
1336 | isym->st_value -= count; | |
252b5132 RH |
1337 | } |
1338 | ||
1339 | /* Now adjust the global symbols defined in this section. */ | |
9ad5cbcf AM |
1340 | symcount = (symtab_hdr->sh_size / sizeof (Elf32_External_Sym) |
1341 | - symtab_hdr->sh_info); | |
1342 | sym_hashes = elf_sym_hashes (abfd); | |
1343 | end_hashes = sym_hashes + symcount; | |
1344 | for (; sym_hashes < end_hashes; sym_hashes++) | |
252b5132 | 1345 | { |
9ad5cbcf AM |
1346 | struct elf_link_hash_entry *sym_hash = *sym_hashes; |
1347 | if ((sym_hash->root.type == bfd_link_hash_defined | |
1348 | || sym_hash->root.type == bfd_link_hash_defweak) | |
1349 | && sym_hash->root.u.def.section == sec | |
1350 | && sym_hash->root.u.def.value > addr | |
1351 | && sym_hash->root.u.def.value < toaddr) | |
252b5132 | 1352 | { |
9ad5cbcf | 1353 | sym_hash->root.u.def.value -= count; |
252b5132 RH |
1354 | } |
1355 | } | |
1356 | ||
1357 | /* See if we can move the ALIGN reloc forward. We have adjusted | |
1358 | r_offset for it already. */ | |
1359 | if (irelalign != NULL) | |
1360 | { | |
1361 | bfd_vma alignto, alignaddr; | |
1362 | ||
1363 | alignto = BFD_ALIGN (toaddr, 1 << irelalign->r_addend); | |
1364 | alignaddr = BFD_ALIGN (irelalign->r_offset, | |
1365 | 1 << irelalign->r_addend); | |
1366 | if (alignto != alignaddr) | |
1367 | { | |
1368 | /* Tail recursion. */ | |
1369 | return sh_elf_relax_delete_bytes (abfd, sec, alignaddr, | |
dc810e39 | 1370 | (int) (alignto - alignaddr)); |
252b5132 RH |
1371 | } |
1372 | } | |
1373 | ||
b34976b6 | 1374 | return TRUE; |
252b5132 RH |
1375 | } |
1376 | ||
1377 | /* Look for loads and stores which we can align to four byte | |
1378 | boundaries. This is like sh_align_loads in coff-sh.c. */ | |
1379 | ||
b34976b6 | 1380 | static bfd_boolean |
09fd220b KK |
1381 | sh_elf_align_loads (bfd *abfd ATTRIBUTE_UNUSED, asection *sec, |
1382 | Elf_Internal_Rela *internal_relocs, | |
1383 | bfd_byte *contents ATTRIBUTE_UNUSED, | |
1384 | bfd_boolean *pswapped) | |
252b5132 RH |
1385 | { |
1386 | Elf_Internal_Rela *irel, *irelend; | |
1387 | bfd_vma *labels = NULL; | |
1388 | bfd_vma *label, *label_end; | |
dc810e39 | 1389 | bfd_size_type amt; |
252b5132 | 1390 | |
b34976b6 | 1391 | *pswapped = FALSE; |
252b5132 RH |
1392 | |
1393 | irelend = internal_relocs + sec->reloc_count; | |
1394 | ||
1395 | /* Get all the addresses with labels on them. */ | |
dc810e39 AM |
1396 | amt = sec->reloc_count; |
1397 | amt *= sizeof (bfd_vma); | |
1398 | labels = (bfd_vma *) bfd_malloc (amt); | |
252b5132 RH |
1399 | if (labels == NULL) |
1400 | goto error_return; | |
1401 | label_end = labels; | |
1402 | for (irel = internal_relocs; irel < irelend; irel++) | |
1403 | { | |
1404 | if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_LABEL) | |
1405 | { | |
1406 | *label_end = irel->r_offset; | |
1407 | ++label_end; | |
1408 | } | |
1409 | } | |
1410 | ||
1411 | /* Note that the assembler currently always outputs relocs in | |
1412 | address order. If that ever changes, this code will need to sort | |
1413 | the label values and the relocs. */ | |
1414 | ||
1415 | label = labels; | |
1416 | ||
1417 | for (irel = internal_relocs; irel < irelend; irel++) | |
1418 | { | |
1419 | bfd_vma start, stop; | |
1420 | ||
1421 | if (ELF32_R_TYPE (irel->r_info) != (int) R_SH_CODE) | |
1422 | continue; | |
1423 | ||
1424 | start = irel->r_offset; | |
1425 | ||
1426 | for (irel++; irel < irelend; irel++) | |
1427 | if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_DATA) | |
1428 | break; | |
1429 | if (irel < irelend) | |
1430 | stop = irel->r_offset; | |
1431 | else | |
eea6121a | 1432 | stop = sec->size; |
252b5132 RH |
1433 | |
1434 | if (! _bfd_sh_align_load_span (abfd, sec, contents, sh_elf_swap_insns, | |
09fd220b | 1435 | internal_relocs, &label, |
252b5132 RH |
1436 | label_end, start, stop, pswapped)) |
1437 | goto error_return; | |
1438 | } | |
1439 | ||
1440 | free (labels); | |
1441 | ||
b34976b6 | 1442 | return TRUE; |
252b5132 RH |
1443 | |
1444 | error_return: | |
1445 | if (labels != NULL) | |
1446 | free (labels); | |
b34976b6 | 1447 | return FALSE; |
252b5132 RH |
1448 | } |
1449 | ||
85fbca6a | 1450 | #ifndef SH64_ELF |
252b5132 RH |
1451 | /* Swap two SH instructions. This is like sh_swap_insns in coff-sh.c. */ |
1452 | ||
b34976b6 | 1453 | static bfd_boolean |
09fd220b KK |
1454 | sh_elf_swap_insns (bfd *abfd, asection *sec, void *relocs, |
1455 | bfd_byte *contents, bfd_vma addr) | |
252b5132 RH |
1456 | { |
1457 | Elf_Internal_Rela *internal_relocs = (Elf_Internal_Rela *) relocs; | |
1458 | unsigned short i1, i2; | |
1459 | Elf_Internal_Rela *irel, *irelend; | |
1460 | ||
1461 | /* Swap the instructions themselves. */ | |
1462 | i1 = bfd_get_16 (abfd, contents + addr); | |
1463 | i2 = bfd_get_16 (abfd, contents + addr + 2); | |
dc810e39 AM |
1464 | bfd_put_16 (abfd, (bfd_vma) i2, contents + addr); |
1465 | bfd_put_16 (abfd, (bfd_vma) i1, contents + addr + 2); | |
252b5132 RH |
1466 | |
1467 | /* Adjust all reloc addresses. */ | |
1468 | irelend = internal_relocs + sec->reloc_count; | |
1469 | for (irel = internal_relocs; irel < irelend; irel++) | |
1470 | { | |
1471 | enum elf_sh_reloc_type type; | |
1472 | int add; | |
1473 | ||
1474 | /* There are a few special types of relocs that we don't want to | |
067653c5 AM |
1475 | adjust. These relocs do not apply to the instruction itself, |
1476 | but are only associated with the address. */ | |
252b5132 RH |
1477 | type = (enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info); |
1478 | if (type == R_SH_ALIGN | |
1479 | || type == R_SH_CODE | |
1480 | || type == R_SH_DATA | |
1481 | || type == R_SH_LABEL) | |
1482 | continue; | |
1483 | ||
1484 | /* If an R_SH_USES reloc points to one of the addresses being | |
067653c5 AM |
1485 | swapped, we must adjust it. It would be incorrect to do this |
1486 | for a jump, though, since we want to execute both | |
1487 | instructions after the jump. (We have avoided swapping | |
1488 | around a label, so the jump will not wind up executing an | |
1489 | instruction it shouldn't). */ | |
252b5132 RH |
1490 | if (type == R_SH_USES) |
1491 | { | |
1492 | bfd_vma off; | |
1493 | ||
1494 | off = irel->r_offset + 4 + irel->r_addend; | |
1495 | if (off == addr) | |
1496 | irel->r_offset += 2; | |
1497 | else if (off == addr + 2) | |
1498 | irel->r_offset -= 2; | |
1499 | } | |
1500 | ||
1501 | if (irel->r_offset == addr) | |
1502 | { | |
1503 | irel->r_offset += 2; | |
1504 | add = -2; | |
1505 | } | |
1506 | else if (irel->r_offset == addr + 2) | |
1507 | { | |
1508 | irel->r_offset -= 2; | |
1509 | add = 2; | |
1510 | } | |
1511 | else | |
1512 | add = 0; | |
1513 | ||
1514 | if (add != 0) | |
1515 | { | |
1516 | bfd_byte *loc; | |
1517 | unsigned short insn, oinsn; | |
b34976b6 | 1518 | bfd_boolean overflow; |
252b5132 RH |
1519 | |
1520 | loc = contents + irel->r_offset; | |
b34976b6 | 1521 | overflow = FALSE; |
252b5132 RH |
1522 | switch (type) |
1523 | { | |
1524 | default: | |
1525 | break; | |
1526 | ||
1527 | case R_SH_DIR8WPN: | |
1528 | case R_SH_DIR8WPZ: | |
1529 | insn = bfd_get_16 (abfd, loc); | |
1530 | oinsn = insn; | |
1531 | insn += add / 2; | |
1532 | if ((oinsn & 0xff00) != (insn & 0xff00)) | |
b34976b6 | 1533 | overflow = TRUE; |
dc810e39 | 1534 | bfd_put_16 (abfd, (bfd_vma) insn, loc); |
252b5132 RH |
1535 | break; |
1536 | ||
1537 | case R_SH_IND12W: | |
1538 | insn = bfd_get_16 (abfd, loc); | |
1539 | oinsn = insn; | |
1540 | insn += add / 2; | |
1541 | if ((oinsn & 0xf000) != (insn & 0xf000)) | |
b34976b6 | 1542 | overflow = TRUE; |
dc810e39 | 1543 | bfd_put_16 (abfd, (bfd_vma) insn, loc); |
252b5132 RH |
1544 | break; |
1545 | ||
1546 | case R_SH_DIR8WPL: | |
1547 | /* This reloc ignores the least significant 3 bits of | |
067653c5 AM |
1548 | the program counter before adding in the offset. |
1549 | This means that if ADDR is at an even address, the | |
1550 | swap will not affect the offset. If ADDR is an at an | |
1551 | odd address, then the instruction will be crossing a | |
1552 | four byte boundary, and must be adjusted. */ | |
252b5132 RH |
1553 | if ((addr & 3) != 0) |
1554 | { | |
1555 | insn = bfd_get_16 (abfd, loc); | |
1556 | oinsn = insn; | |
1557 | insn += add / 2; | |
1558 | if ((oinsn & 0xff00) != (insn & 0xff00)) | |
b34976b6 | 1559 | overflow = TRUE; |
dc810e39 | 1560 | bfd_put_16 (abfd, (bfd_vma) insn, loc); |
252b5132 RH |
1561 | } |
1562 | ||
1563 | break; | |
1564 | } | |
1565 | ||
1566 | if (overflow) | |
1567 | { | |
4eca0228 | 1568 | _bfd_error_handler |
695344c0 | 1569 | /* xgettext:c-format */ |
4eca0228 AM |
1570 | (_("%B: 0x%lx: fatal: reloc overflow while relaxing"), |
1571 | abfd, (unsigned long) irel->r_offset); | |
252b5132 | 1572 | bfd_set_error (bfd_error_bad_value); |
b34976b6 | 1573 | return FALSE; |
252b5132 RH |
1574 | } |
1575 | } | |
1576 | } | |
1577 | ||
b34976b6 | 1578 | return TRUE; |
252b5132 | 1579 | } |
85fbca6a | 1580 | #endif /* defined SH64_ELF */ |
252b5132 | 1581 | \f |
55e6e397 RS |
1582 | /* Describes one of the various PLT styles. */ |
1583 | ||
1584 | struct elf_sh_plt_info | |
1585 | { | |
1586 | /* The template for the first PLT entry, or NULL if there is no special | |
1587 | first entry. */ | |
1588 | const bfd_byte *plt0_entry; | |
1589 | ||
1590 | /* The size of PLT0_ENTRY in bytes, or 0 if PLT0_ENTRY is NULL. */ | |
1591 | bfd_vma plt0_entry_size; | |
1592 | ||
1593 | /* Index I is the offset into PLT0_ENTRY of a pointer to | |
1594 | _GLOBAL_OFFSET_TABLE_ + I * 4. The value is MINUS_ONE | |
1595 | if there is no such pointer. */ | |
1596 | bfd_vma plt0_got_fields[3]; | |
1597 | ||
1598 | /* The template for a symbol's PLT entry. */ | |
1599 | const bfd_byte *symbol_entry; | |
1600 | ||
1601 | /* The size of SYMBOL_ENTRY in bytes. */ | |
1602 | bfd_vma symbol_entry_size; | |
1603 | ||
1604 | /* Byte offsets of fields in SYMBOL_ENTRY. Not all fields are used | |
1605 | on all targets. The comments by each member indicate the value | |
1606 | that the field must hold. */ | |
1607 | struct { | |
1608 | bfd_vma got_entry; /* the address of the symbol's .got.plt entry */ | |
1609 | bfd_vma plt; /* .plt (or a branch to .plt on VxWorks) */ | |
1610 | bfd_vma reloc_offset; /* the offset of the symbol's JMP_SLOT reloc */ | |
8e45593f NC |
1611 | bfd_boolean got20; /* TRUE if got_entry points to a movi20 |
1612 | instruction (instead of a constant pool | |
1613 | entry). */ | |
55e6e397 RS |
1614 | } symbol_fields; |
1615 | ||
1616 | /* The offset of the resolver stub from the start of SYMBOL_ENTRY. */ | |
1617 | bfd_vma symbol_resolve_offset; | |
8e45593f NC |
1618 | |
1619 | /* A different PLT layout which can be used for the first | |
1620 | MAX_SHORT_PLT entries. It must share the same plt0. NULL in | |
1621 | other cases. */ | |
1622 | const struct elf_sh_plt_info *short_plt; | |
55e6e397 RS |
1623 | }; |
1624 | ||
fbca6ad9 AO |
1625 | #ifdef INCLUDE_SHMEDIA |
1626 | ||
1627 | /* The size in bytes of an entry in the procedure linkage table. */ | |
1628 | ||
55e6e397 | 1629 | #define ELF_PLT_ENTRY_SIZE 64 |
fbca6ad9 AO |
1630 | |
1631 | /* First entry in an absolute procedure linkage table look like this. */ | |
1632 | ||
55e6e397 | 1633 | static const bfd_byte elf_sh_plt0_entry_be[ELF_PLT_ENTRY_SIZE] = |
fbca6ad9 AO |
1634 | { |
1635 | 0xcc, 0x00, 0x01, 0x10, /* movi .got.plt >> 16, r17 */ | |
1636 | 0xc8, 0x00, 0x01, 0x10, /* shori .got.plt & 65535, r17 */ | |
1637 | 0x89, 0x10, 0x09, 0x90, /* ld.l r17, 8, r25 */ | |
c8614e8e | 1638 | 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */ |
fbca6ad9 AO |
1639 | 0x89, 0x10, 0x05, 0x10, /* ld.l r17, 4, r17 */ |
1640 | 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */ | |
1641 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
1642 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
1643 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
1644 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
1645 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
1646 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
1647 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
1648 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
1649 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
1650 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
1651 | }; | |
1652 | ||
55e6e397 | 1653 | static const bfd_byte elf_sh_plt0_entry_le[ELF_PLT_ENTRY_SIZE] = |
fbca6ad9 AO |
1654 | { |
1655 | 0x10, 0x01, 0x00, 0xcc, /* movi .got.plt >> 16, r17 */ | |
1656 | 0x10, 0x01, 0x00, 0xc8, /* shori .got.plt & 65535, r17 */ | |
1657 | 0x90, 0x09, 0x10, 0x89, /* ld.l r17, 8, r25 */ | |
c8614e8e | 1658 | 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */ |
fbca6ad9 AO |
1659 | 0x10, 0x05, 0x10, 0x89, /* ld.l r17, 4, r17 */ |
1660 | 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */ | |
1661 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
1662 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
1663 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
1664 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
1665 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
1666 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
1667 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
1668 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
1669 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
1670 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
1671 | }; | |
1672 | ||
1673 | /* Sebsequent entries in an absolute procedure linkage table look like | |
1674 | this. */ | |
1675 | ||
55e6e397 | 1676 | static const bfd_byte elf_sh_plt_entry_be[ELF_PLT_ENTRY_SIZE] = |
fbca6ad9 AO |
1677 | { |
1678 | 0xcc, 0x00, 0x01, 0x90, /* movi nameN-in-GOT >> 16, r25 */ | |
1679 | 0xc8, 0x00, 0x01, 0x90, /* shori nameN-in-GOT & 65535, r25 */ | |
1680 | 0x89, 0x90, 0x01, 0x90, /* ld.l r25, 0, r25 */ | |
1681 | 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */ | |
1682 | 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */ | |
1683 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
1684 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
1685 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
1686 | 0xcc, 0x00, 0x01, 0x90, /* movi .PLT0 >> 16, r25 */ | |
1687 | 0xc8, 0x00, 0x01, 0x90, /* shori .PLT0 & 65535, r25 */ | |
1688 | 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */ | |
1689 | 0xcc, 0x00, 0x01, 0x50, /* movi reloc-offset >> 16, r21 */ | |
1690 | 0xc8, 0x00, 0x01, 0x50, /* shori reloc-offset & 65535, r21 */ | |
1691 | 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */ | |
1692 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
1693 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
1694 | }; | |
1695 | ||
55e6e397 | 1696 | static const bfd_byte elf_sh_plt_entry_le[ELF_PLT_ENTRY_SIZE] = |
fbca6ad9 AO |
1697 | { |
1698 | 0x90, 0x01, 0x00, 0xcc, /* movi nameN-in-GOT >> 16, r25 */ | |
1699 | 0x90, 0x01, 0x00, 0xc8, /* shori nameN-in-GOT & 65535, r25 */ | |
1700 | 0x90, 0x01, 0x90, 0x89, /* ld.l r25, 0, r25 */ | |
1701 | 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */ | |
1702 | 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */ | |
1703 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
1704 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
1705 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
1706 | 0x90, 0x01, 0x00, 0xcc, /* movi .PLT0 >> 16, r25 */ | |
1707 | 0x90, 0x01, 0x00, 0xc8, /* shori .PLT0 & 65535, r25 */ | |
1708 | 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */ | |
1709 | 0x50, 0x01, 0x00, 0xcc, /* movi reloc-offset >> 16, r21 */ | |
1710 | 0x50, 0x01, 0x00, 0xc8, /* shori reloc-offset & 65535, r21 */ | |
1711 | 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */ | |
1712 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
1713 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
1714 | }; | |
1715 | ||
1716 | /* Entries in a PIC procedure linkage table look like this. */ | |
1717 | ||
55e6e397 | 1718 | static const bfd_byte elf_sh_pic_plt_entry_be[ELF_PLT_ENTRY_SIZE] = |
fbca6ad9 AO |
1719 | { |
1720 | 0xcc, 0x00, 0x01, 0x90, /* movi nameN@GOT >> 16, r25 */ | |
1721 | 0xc8, 0x00, 0x01, 0x90, /* shori nameN@GOT & 65535, r25 */ | |
1722 | 0x40, 0xc2, 0x65, 0x90, /* ldx.l r12, r25, r25 */ | |
1723 | 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */ | |
1724 | 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */ | |
1725 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
1726 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
1727 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
1728 | 0xce, 0x00, 0x01, 0x10, /* movi -GOT_BIAS, r17 */ | |
0a4ef3f4 | 1729 | 0x00, 0xc8, 0x45, 0x10, /* add.l r12, r17, r17 */ |
fbca6ad9 AO |
1730 | 0x89, 0x10, 0x09, 0x90, /* ld.l r17, 8, r25 */ |
1731 | 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */ | |
1732 | 0x89, 0x10, 0x05, 0x10, /* ld.l r17, 4, r17 */ | |
1733 | 0xcc, 0x00, 0x01, 0x50, /* movi reloc-offset >> 16, r21 */ | |
1734 | 0xc8, 0x00, 0x01, 0x50, /* shori reloc-offset & 65535, r21 */ | |
1735 | 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */ | |
1736 | }; | |
1737 | ||
55e6e397 | 1738 | static const bfd_byte elf_sh_pic_plt_entry_le[ELF_PLT_ENTRY_SIZE] = |
fbca6ad9 AO |
1739 | { |
1740 | 0x90, 0x01, 0x00, 0xcc, /* movi nameN@GOT >> 16, r25 */ | |
1741 | 0x90, 0x01, 0x00, 0xc8, /* shori nameN@GOT & 65535, r25 */ | |
1742 | 0x90, 0x65, 0xc2, 0x40, /* ldx.l r12, r25, r25 */ | |
1743 | 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */ | |
1744 | 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */ | |
1745 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
1746 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
1747 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
1748 | 0x10, 0x01, 0x00, 0xce, /* movi -GOT_BIAS, r17 */ | |
0a4ef3f4 | 1749 | 0x10, 0x45, 0xc8, 0x00, /* add.l r12, r17, r17 */ |
fbca6ad9 AO |
1750 | 0x90, 0x09, 0x10, 0x89, /* ld.l r17, 8, r25 */ |
1751 | 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */ | |
1752 | 0x10, 0x05, 0x10, 0x89, /* ld.l r17, 4, r17 */ | |
1753 | 0x50, 0x01, 0x00, 0xcc, /* movi reloc-offset >> 16, r21 */ | |
1754 | 0x50, 0x01, 0x00, 0xc8, /* shori reloc-offset & 65535, r21 */ | |
1755 | 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */ | |
1756 | }; | |
1757 | ||
55e6e397 RS |
1758 | static const struct elf_sh_plt_info elf_sh_plts[2][2] = { |
1759 | { | |
1760 | { | |
1761 | /* Big-endian non-PIC. */ | |
1762 | elf_sh_plt0_entry_be, | |
1763 | ELF_PLT_ENTRY_SIZE, | |
1764 | { 0, MINUS_ONE, MINUS_ONE }, | |
1765 | elf_sh_plt_entry_be, | |
1766 | ELF_PLT_ENTRY_SIZE, | |
8e45593f NC |
1767 | { 0, 32, 48, FALSE }, |
1768 | 33, /* includes ISA encoding */ | |
1769 | NULL | |
55e6e397 RS |
1770 | }, |
1771 | { | |
1772 | /* Little-endian non-PIC. */ | |
1773 | elf_sh_plt0_entry_le, | |
1774 | ELF_PLT_ENTRY_SIZE, | |
1775 | { 0, MINUS_ONE, MINUS_ONE }, | |
1776 | elf_sh_plt_entry_le, | |
1777 | ELF_PLT_ENTRY_SIZE, | |
8e45593f NC |
1778 | { 0, 32, 48, FALSE }, |
1779 | 33, /* includes ISA encoding */ | |
1780 | NULL | |
55e6e397 RS |
1781 | }, |
1782 | }, | |
1783 | { | |
1784 | { | |
1785 | /* Big-endian PIC. */ | |
1786 | elf_sh_plt0_entry_be, | |
1787 | ELF_PLT_ENTRY_SIZE, | |
1788 | { MINUS_ONE, MINUS_ONE, MINUS_ONE }, | |
1789 | elf_sh_pic_plt_entry_be, | |
1790 | ELF_PLT_ENTRY_SIZE, | |
8e45593f NC |
1791 | { 0, MINUS_ONE, 52, FALSE }, |
1792 | 33, /* includes ISA encoding */ | |
1793 | NULL | |
55e6e397 RS |
1794 | }, |
1795 | { | |
1796 | /* Little-endian PIC. */ | |
1797 | elf_sh_plt0_entry_le, | |
1798 | ELF_PLT_ENTRY_SIZE, | |
1799 | { MINUS_ONE, MINUS_ONE, MINUS_ONE }, | |
1800 | elf_sh_pic_plt_entry_le, | |
1801 | ELF_PLT_ENTRY_SIZE, | |
8e45593f NC |
1802 | { 0, MINUS_ONE, 52, FALSE }, |
1803 | 33, /* includes ISA encoding */ | |
1804 | NULL | |
55e6e397 RS |
1805 | }, |
1806 | } | |
1807 | }; | |
fbca6ad9 AO |
1808 | |
1809 | /* Return offset of the linker in PLT0 entry. */ | |
1810 | #define elf_sh_plt0_gotplt_offset(info) 0 | |
1811 | ||
55e6e397 RS |
1812 | /* Install a 32-bit PLT field starting at ADDR, which occurs in OUTPUT_BFD. |
1813 | VALUE is the field's value and CODE_P is true if VALUE refers to code, | |
1814 | not data. | |
fbca6ad9 | 1815 | |
55e6e397 | 1816 | On SH64, each 32-bit field is loaded by a movi/shori pair. */ |
fbca6ad9 AO |
1817 | |
1818 | inline static void | |
55e6e397 RS |
1819 | install_plt_field (bfd *output_bfd, bfd_boolean code_p, |
1820 | unsigned long value, bfd_byte *addr) | |
fbca6ad9 | 1821 | { |
55e6e397 | 1822 | value |= code_p; |
fbca6ad9 AO |
1823 | bfd_put_32 (output_bfd, |
1824 | bfd_get_32 (output_bfd, addr) | |
1825 | | ((value >> 6) & 0x3fffc00), | |
1826 | addr); | |
1827 | bfd_put_32 (output_bfd, | |
1828 | bfd_get_32 (output_bfd, addr + 4) | |
1829 | | ((value << 10) & 0x3fffc00), | |
1830 | addr + 4); | |
1831 | } | |
1832 | ||
55e6e397 RS |
1833 | /* Return the type of PLT associated with ABFD. PIC_P is true if |
1834 | the object is position-independent. */ | |
1835 | ||
1836 | static const struct elf_sh_plt_info * | |
1837 | get_plt_info (bfd *abfd ATTRIBUTE_UNUSED, bfd_boolean pic_p) | |
1838 | { | |
1839 | return &elf_sh_plts[pic_p][!bfd_big_endian (abfd)]; | |
1840 | } | |
fbca6ad9 | 1841 | #else |
37c644f2 | 1842 | /* The size in bytes of an entry in the procedure linkage table. */ |
252b5132 | 1843 | |
55e6e397 | 1844 | #define ELF_PLT_ENTRY_SIZE 28 |
37c644f2 AO |
1845 | |
1846 | /* First entry in an absolute procedure linkage table look like this. */ | |
1847 | ||
6c426cf3 | 1848 | /* Note - this code has been "optimised" not to use r2. r2 is used by |
4cc11e76 | 1849 | GCC to return the address of large structures, so it should not be |
6c426cf3 NC |
1850 | corrupted here. This does mean however, that this PLT does not conform |
1851 | to the SH PIC ABI. That spec says that r0 contains the type of the PLT | |
1852 | and r2 contains the GOT id. This version stores the GOT id in r0 and | |
1853 | ignores the type. Loaders can easily detect this difference however, | |
1854 | since the type will always be 0 or 8, and the GOT ids will always be | |
1855 | greater than or equal to 12. */ | |
55e6e397 | 1856 | static const bfd_byte elf_sh_plt0_entry_be[ELF_PLT_ENTRY_SIZE] = |
6c426cf3 NC |
1857 | { |
1858 | 0xd0, 0x05, /* mov.l 2f,r0 */ | |
1859 | 0x60, 0x02, /* mov.l @r0,r0 */ | |
1860 | 0x2f, 0x06, /* mov.l r0,@-r15 */ | |
1861 | 0xd0, 0x03, /* mov.l 1f,r0 */ | |
1862 | 0x60, 0x02, /* mov.l @r0,r0 */ | |
1863 | 0x40, 0x2b, /* jmp @r0 */ | |
1864 | 0x60, 0xf6, /* mov.l @r15+,r0 */ | |
1865 | 0x00, 0x09, /* nop */ | |
1866 | 0x00, 0x09, /* nop */ | |
1867 | 0x00, 0x09, /* nop */ | |
1868 | 0, 0, 0, 0, /* 1: replaced with address of .got.plt + 8. */ | |
1869 | 0, 0, 0, 0, /* 2: replaced with address of .got.plt + 4. */ | |
1870 | }; | |
1871 | ||
55e6e397 | 1872 | static const bfd_byte elf_sh_plt0_entry_le[ELF_PLT_ENTRY_SIZE] = |
6c426cf3 NC |
1873 | { |
1874 | 0x05, 0xd0, /* mov.l 2f,r0 */ | |
1875 | 0x02, 0x60, /* mov.l @r0,r0 */ | |
1876 | 0x06, 0x2f, /* mov.l r0,@-r15 */ | |
1877 | 0x03, 0xd0, /* mov.l 1f,r0 */ | |
1878 | 0x02, 0x60, /* mov.l @r0,r0 */ | |
1879 | 0x2b, 0x40, /* jmp @r0 */ | |
1880 | 0xf6, 0x60, /* mov.l @r15+,r0 */ | |
1881 | 0x09, 0x00, /* nop */ | |
1882 | 0x09, 0x00, /* nop */ | |
1883 | 0x09, 0x00, /* nop */ | |
1884 | 0, 0, 0, 0, /* 1: replaced with address of .got.plt + 8. */ | |
1885 | 0, 0, 0, 0, /* 2: replaced with address of .got.plt + 4. */ | |
1886 | }; | |
1887 | ||
1888 | /* Sebsequent entries in an absolute procedure linkage table look like | |
1889 | this. */ | |
1890 | ||
55e6e397 | 1891 | static const bfd_byte elf_sh_plt_entry_be[ELF_PLT_ENTRY_SIZE] = |
6c426cf3 NC |
1892 | { |
1893 | 0xd0, 0x04, /* mov.l 1f,r0 */ | |
55e6e397 | 1894 | 0x60, 0x02, /* mov.l @(r0,r12),r0 */ |
6c426cf3 NC |
1895 | 0xd1, 0x02, /* mov.l 0f,r1 */ |
1896 | 0x40, 0x2b, /* jmp @r0 */ | |
1897 | 0x60, 0x13, /* mov r1,r0 */ | |
1898 | 0xd1, 0x03, /* mov.l 2f,r1 */ | |
1899 | 0x40, 0x2b, /* jmp @r0 */ | |
1900 | 0x00, 0x09, /* nop */ | |
1901 | 0, 0, 0, 0, /* 0: replaced with address of .PLT0. */ | |
1902 | 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */ | |
1903 | 0, 0, 0, 0, /* 2: replaced with offset into relocation table. */ | |
1904 | }; | |
1905 | ||
55e6e397 | 1906 | static const bfd_byte elf_sh_plt_entry_le[ELF_PLT_ENTRY_SIZE] = |
6c426cf3 NC |
1907 | { |
1908 | 0x04, 0xd0, /* mov.l 1f,r0 */ | |
1909 | 0x02, 0x60, /* mov.l @r0,r0 */ | |
1910 | 0x02, 0xd1, /* mov.l 0f,r1 */ | |
1911 | 0x2b, 0x40, /* jmp @r0 */ | |
1912 | 0x13, 0x60, /* mov r1,r0 */ | |
1913 | 0x03, 0xd1, /* mov.l 2f,r1 */ | |
1914 | 0x2b, 0x40, /* jmp @r0 */ | |
1915 | 0x09, 0x00, /* nop */ | |
1916 | 0, 0, 0, 0, /* 0: replaced with address of .PLT0. */ | |
1917 | 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */ | |
1918 | 0, 0, 0, 0, /* 2: replaced with offset into relocation table. */ | |
1919 | }; | |
1920 | ||
1921 | /* Entries in a PIC procedure linkage table look like this. */ | |
1922 | ||
55e6e397 | 1923 | static const bfd_byte elf_sh_pic_plt_entry_be[ELF_PLT_ENTRY_SIZE] = |
6c426cf3 NC |
1924 | { |
1925 | 0xd0, 0x04, /* mov.l 1f,r0 */ | |
1926 | 0x00, 0xce, /* mov.l @(r0,r12),r0 */ | |
1927 | 0x40, 0x2b, /* jmp @r0 */ | |
1928 | 0x00, 0x09, /* nop */ | |
1929 | 0x50, 0xc2, /* mov.l @(8,r12),r0 */ | |
1930 | 0xd1, 0x03, /* mov.l 2f,r1 */ | |
1931 | 0x40, 0x2b, /* jmp @r0 */ | |
1932 | 0x50, 0xc1, /* mov.l @(4,r12),r0 */ | |
1933 | 0x00, 0x09, /* nop */ | |
1934 | 0x00, 0x09, /* nop */ | |
1935 | 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */ | |
1936 | 0, 0, 0, 0 /* 2: replaced with offset into relocation table. */ | |
1937 | }; | |
1938 | ||
55e6e397 | 1939 | static const bfd_byte elf_sh_pic_plt_entry_le[ELF_PLT_ENTRY_SIZE] = |
6c426cf3 NC |
1940 | { |
1941 | 0x04, 0xd0, /* mov.l 1f,r0 */ | |
1942 | 0xce, 0x00, /* mov.l @(r0,r12),r0 */ | |
1943 | 0x2b, 0x40, /* jmp @r0 */ | |
1944 | 0x09, 0x00, /* nop */ | |
1945 | 0xc2, 0x50, /* mov.l @(8,r12),r0 */ | |
1946 | 0x03, 0xd1, /* mov.l 2f,r1 */ | |
1947 | 0x2b, 0x40, /* jmp @r0 */ | |
1948 | 0xc1, 0x50, /* mov.l @(4,r12),r0 */ | |
1949 | 0x09, 0x00, /* nop */ | |
1950 | 0x09, 0x00, /* nop */ | |
1951 | 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */ | |
1952 | 0, 0, 0, 0 /* 2: replaced with offset into relocation table. */ | |
1953 | }; | |
1954 | ||
55e6e397 RS |
1955 | static const struct elf_sh_plt_info elf_sh_plts[2][2] = { |
1956 | { | |
1957 | { | |
1958 | /* Big-endian non-PIC. */ | |
1959 | elf_sh_plt0_entry_be, | |
1960 | ELF_PLT_ENTRY_SIZE, | |
1961 | { MINUS_ONE, 24, 20 }, | |
1962 | elf_sh_plt_entry_be, | |
1963 | ELF_PLT_ENTRY_SIZE, | |
8e45593f NC |
1964 | { 20, 16, 24, FALSE }, |
1965 | 8, | |
1966 | NULL | |
55e6e397 RS |
1967 | }, |
1968 | { | |
1969 | /* Little-endian non-PIC. */ | |
1970 | elf_sh_plt0_entry_le, | |
1971 | ELF_PLT_ENTRY_SIZE, | |
1972 | { MINUS_ONE, 24, 20 }, | |
1973 | elf_sh_plt_entry_le, | |
1974 | ELF_PLT_ENTRY_SIZE, | |
8e45593f NC |
1975 | { 20, 16, 24, FALSE }, |
1976 | 8, | |
1977 | NULL | |
55e6e397 RS |
1978 | }, |
1979 | }, | |
1980 | { | |
1981 | { | |
1982 | /* Big-endian PIC. */ | |
1983 | elf_sh_plt0_entry_be, | |
1984 | ELF_PLT_ENTRY_SIZE, | |
1985 | { MINUS_ONE, MINUS_ONE, MINUS_ONE }, | |
1986 | elf_sh_pic_plt_entry_be, | |
1987 | ELF_PLT_ENTRY_SIZE, | |
8e45593f NC |
1988 | { 20, MINUS_ONE, 24, FALSE }, |
1989 | 8, | |
1990 | NULL | |
55e6e397 RS |
1991 | }, |
1992 | { | |
1993 | /* Little-endian PIC. */ | |
1994 | elf_sh_plt0_entry_le, | |
1995 | ELF_PLT_ENTRY_SIZE, | |
1996 | { MINUS_ONE, MINUS_ONE, MINUS_ONE }, | |
1997 | elf_sh_pic_plt_entry_le, | |
1998 | ELF_PLT_ENTRY_SIZE, | |
8e45593f NC |
1999 | { 20, MINUS_ONE, 24, FALSE }, |
2000 | 8, | |
2001 | NULL | |
55e6e397 RS |
2002 | }, |
2003 | } | |
2004 | }; | |
252b5132 | 2005 | |
55e6e397 RS |
2006 | #define VXWORKS_PLT_HEADER_SIZE 12 |
2007 | #define VXWORKS_PLT_ENTRY_SIZE 24 | |
252b5132 | 2008 | |
55e6e397 RS |
2009 | static const bfd_byte vxworks_sh_plt0_entry_be[VXWORKS_PLT_HEADER_SIZE] = |
2010 | { | |
2011 | 0xd1, 0x01, /* mov.l @(8,pc),r1 */ | |
2012 | 0x61, 0x12, /* mov.l @r1,r1 */ | |
2013 | 0x41, 0x2b, /* jmp @r1 */ | |
2014 | 0x00, 0x09, /* nop */ | |
2015 | 0, 0, 0, 0 /* 0: replaced with _GLOBAL_OFFSET_TABLE+8. */ | |
2016 | }; | |
252b5132 | 2017 | |
55e6e397 RS |
2018 | static const bfd_byte vxworks_sh_plt0_entry_le[VXWORKS_PLT_HEADER_SIZE] = |
2019 | { | |
2020 | 0x01, 0xd1, /* mov.l @(8,pc),r1 */ | |
2021 | 0x12, 0x61, /* mov.l @r1,r1 */ | |
2022 | 0x2b, 0x41, /* jmp @r1 */ | |
2023 | 0x09, 0x00, /* nop */ | |
2024 | 0, 0, 0, 0 /* 0: replaced with _GLOBAL_OFFSET_TABLE+8. */ | |
2025 | }; | |
2026 | ||
2027 | static const bfd_byte vxworks_sh_plt_entry_be[VXWORKS_PLT_ENTRY_SIZE] = | |
2028 | { | |
2029 | 0xd0, 0x01, /* mov.l @(8,pc),r0 */ | |
2030 | 0x60, 0x02, /* mov.l @r0,r0 */ | |
2031 | 0x40, 0x2b, /* jmp @r0 */ | |
2032 | 0x00, 0x09, /* nop */ | |
2033 | 0, 0, 0, 0, /* 0: replaced with address of this symbol in .got. */ | |
2034 | 0xd0, 0x01, /* mov.l @(8,pc),r0 */ | |
2035 | 0xa0, 0x00, /* bra PLT (We need to fix the offset.) */ | |
2036 | 0x00, 0x09, /* nop */ | |
2037 | 0x00, 0x09, /* nop */ | |
2038 | 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */ | |
2039 | }; | |
2040 | ||
2041 | static const bfd_byte vxworks_sh_plt_entry_le[VXWORKS_PLT_ENTRY_SIZE] = | |
2042 | { | |
2043 | 0x01, 0xd0, /* mov.l @(8,pc),r0 */ | |
2044 | 0x02, 0x60, /* mov.l @r0,r0 */ | |
2045 | 0x2b, 0x40, /* jmp @r0 */ | |
2046 | 0x09, 0x00, /* nop */ | |
2047 | 0, 0, 0, 0, /* 0: replaced with address of this symbol in .got. */ | |
2048 | 0x01, 0xd0, /* mov.l @(8,pc),r0 */ | |
2049 | 0x00, 0xa0, /* bra PLT (We need to fix the offset.) */ | |
2050 | 0x09, 0x00, /* nop */ | |
2051 | 0x09, 0x00, /* nop */ | |
2052 | 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */ | |
2053 | }; | |
2054 | ||
2055 | static const bfd_byte vxworks_sh_pic_plt_entry_be[VXWORKS_PLT_ENTRY_SIZE] = | |
2056 | { | |
2057 | 0xd0, 0x01, /* mov.l @(8,pc),r0 */ | |
2058 | 0x00, 0xce, /* mov.l @(r0,r12),r0 */ | |
2059 | 0x40, 0x2b, /* jmp @r0 */ | |
2060 | 0x00, 0x09, /* nop */ | |
2061 | 0, 0, 0, 0, /* 0: replaced with offset of this symbol in .got. */ | |
2062 | 0xd0, 0x01, /* mov.l @(8,pc),r0 */ | |
2063 | 0x51, 0xc2, /* mov.l @(8,r12),r1 */ | |
2064 | 0x41, 0x2b, /* jmp @r1 */ | |
2065 | 0x00, 0x09, /* nop */ | |
2066 | 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */ | |
2067 | }; | |
2068 | ||
2069 | static const bfd_byte vxworks_sh_pic_plt_entry_le[VXWORKS_PLT_ENTRY_SIZE] = | |
2070 | { | |
2071 | 0x01, 0xd0, /* mov.l @(8,pc),r0 */ | |
2072 | 0xce, 0x00, /* mov.l @(r0,r12),r0 */ | |
2073 | 0x2b, 0x40, /* jmp @r0 */ | |
2074 | 0x09, 0x00, /* nop */ | |
2075 | 0, 0, 0, 0, /* 0: replaced with offset of this symbol in .got. */ | |
2076 | 0x01, 0xd0, /* mov.l @(8,pc),r0 */ | |
2077 | 0xc2, 0x51, /* mov.l @(8,r12),r1 */ | |
2078 | 0x2b, 0x41, /* jmp @r1 */ | |
2079 | 0x09, 0x00, /* nop */ | |
2080 | 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */ | |
2081 | }; | |
2082 | ||
2083 | static const struct elf_sh_plt_info vxworks_sh_plts[2][2] = { | |
2084 | { | |
2085 | { | |
2086 | /* Big-endian non-PIC. */ | |
2087 | vxworks_sh_plt0_entry_be, | |
2088 | VXWORKS_PLT_HEADER_SIZE, | |
2089 | { MINUS_ONE, MINUS_ONE, 8 }, | |
2090 | vxworks_sh_plt_entry_be, | |
2091 | VXWORKS_PLT_ENTRY_SIZE, | |
8e45593f NC |
2092 | { 8, 14, 20, FALSE }, |
2093 | 12, | |
2094 | NULL | |
55e6e397 RS |
2095 | }, |
2096 | { | |
2097 | /* Little-endian non-PIC. */ | |
2098 | vxworks_sh_plt0_entry_le, | |
2099 | VXWORKS_PLT_HEADER_SIZE, | |
2100 | { MINUS_ONE, MINUS_ONE, 8 }, | |
2101 | vxworks_sh_plt_entry_le, | |
2102 | VXWORKS_PLT_ENTRY_SIZE, | |
8e45593f NC |
2103 | { 8, 14, 20, FALSE }, |
2104 | 12, | |
2105 | NULL | |
55e6e397 RS |
2106 | }, |
2107 | }, | |
2108 | { | |
2109 | { | |
2110 | /* Big-endian PIC. */ | |
2111 | NULL, | |
2112 | 0, | |
2113 | { MINUS_ONE, MINUS_ONE, MINUS_ONE }, | |
2114 | vxworks_sh_pic_plt_entry_be, | |
2115 | VXWORKS_PLT_ENTRY_SIZE, | |
8e45593f NC |
2116 | { 8, MINUS_ONE, 20, FALSE }, |
2117 | 12, | |
2118 | NULL | |
55e6e397 RS |
2119 | }, |
2120 | { | |
2121 | /* Little-endian PIC. */ | |
2122 | NULL, | |
2123 | 0, | |
2124 | { MINUS_ONE, MINUS_ONE, MINUS_ONE }, | |
2125 | vxworks_sh_pic_plt_entry_le, | |
2126 | VXWORKS_PLT_ENTRY_SIZE, | |
8e45593f NC |
2127 | { 8, MINUS_ONE, 20, FALSE }, |
2128 | 12, | |
2129 | NULL | |
55e6e397 RS |
2130 | }, |
2131 | } | |
2132 | }; | |
9bdafcce | 2133 | |
8e45593f NC |
2134 | /* FDPIC PLT entries. Two unimplemented optimizations for lazy |
2135 | binding are to omit the lazy binding stub when linking with -z now | |
2136 | and to move lazy binding stubs into a separate region for better | |
2137 | cache behavior. */ | |
2138 | ||
2139 | #define FDPIC_PLT_ENTRY_SIZE 28 | |
2140 | #define FDPIC_PLT_LAZY_OFFSET 20 | |
2141 | ||
2142 | /* FIXME: The lazy binding stub requires a plt0 - which may need to be | |
2143 | duplicated if it is out of range, or which can be inlined. So | |
2144 | right now it is always inlined, which wastes a word per stub. It | |
2145 | might be easier to handle the duplication if we put the lazy | |
2146 | stubs separately. */ | |
2147 | ||
2148 | static const bfd_byte fdpic_sh_plt_entry_be[FDPIC_PLT_ENTRY_SIZE] = | |
2149 | { | |
2150 | 0xd0, 0x02, /* mov.l @(12,pc),r0 */ | |
2151 | 0x01, 0xce, /* mov.l @(r0,r12),r1 */ | |
2152 | 0x70, 0x04, /* add #4, r0 */ | |
2153 | 0x41, 0x2b, /* jmp @r1 */ | |
2154 | 0x0c, 0xce, /* mov.l @(r0,r12),r12 */ | |
2155 | 0x00, 0x09, /* nop */ | |
2156 | 0, 0, 0, 0, /* 0: replaced with offset of this symbol's funcdesc */ | |
2157 | 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */ | |
2158 | 0x60, 0xc2, /* mov.l @r12,r0 */ | |
2159 | 0x40, 0x2b, /* jmp @r0 */ | |
2160 | 0x53, 0xc1, /* mov.l @(4,r12),r3 */ | |
2161 | 0x00, 0x09, /* nop */ | |
2162 | }; | |
2163 | ||
2164 | static const bfd_byte fdpic_sh_plt_entry_le[FDPIC_PLT_ENTRY_SIZE] = | |
2165 | { | |
2166 | 0x02, 0xd0, /* mov.l @(12,pc),r0 */ | |
2167 | 0xce, 0x01, /* mov.l @(r0,r12),r1 */ | |
2168 | 0x04, 0x70, /* add #4, r0 */ | |
2169 | 0x2b, 0x41, /* jmp @r1 */ | |
2170 | 0xce, 0x0c, /* mov.l @(r0,r12),r12 */ | |
2171 | 0x09, 0x00, /* nop */ | |
2172 | 0, 0, 0, 0, /* 0: replaced with offset of this symbol's funcdesc */ | |
2173 | 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */ | |
2174 | 0xc2, 0x60, /* mov.l @r12,r0 */ | |
2175 | 0x2b, 0x40, /* jmp @r0 */ | |
2176 | 0xc1, 0x53, /* mov.l @(4,r12),r3 */ | |
2177 | 0x09, 0x00, /* nop */ | |
2178 | }; | |
2179 | ||
2180 | static const struct elf_sh_plt_info fdpic_sh_plts[2] = { | |
2181 | { | |
2182 | /* Big-endian PIC. */ | |
2183 | NULL, | |
2184 | 0, | |
2185 | { MINUS_ONE, MINUS_ONE, MINUS_ONE }, | |
2186 | fdpic_sh_plt_entry_be, | |
2187 | FDPIC_PLT_ENTRY_SIZE, | |
2188 | { 12, MINUS_ONE, 16, FALSE }, | |
2189 | FDPIC_PLT_LAZY_OFFSET, | |
2190 | NULL | |
2191 | }, | |
2192 | { | |
2193 | /* Little-endian PIC. */ | |
2194 | NULL, | |
2195 | 0, | |
2196 | { MINUS_ONE, MINUS_ONE, MINUS_ONE }, | |
2197 | fdpic_sh_plt_entry_le, | |
2198 | FDPIC_PLT_ENTRY_SIZE, | |
2199 | { 12, MINUS_ONE, 16, FALSE }, | |
2200 | FDPIC_PLT_LAZY_OFFSET, | |
2201 | NULL | |
2202 | }, | |
2203 | }; | |
2204 | ||
2205 | /* On SH2A, we can use the movi20 instruction to generate shorter PLT | |
2206 | entries for the first 64K slots. We use the normal FDPIC PLT entry | |
2207 | past that point; we could also use movi20s, which might be faster, | |
2208 | but would not be any smaller. */ | |
2209 | ||
2210 | #define FDPIC_SH2A_PLT_ENTRY_SIZE 24 | |
2211 | #define FDPIC_SH2A_PLT_LAZY_OFFSET 16 | |
2212 | ||
2213 | static const bfd_byte fdpic_sh2a_plt_entry_be[FDPIC_SH2A_PLT_ENTRY_SIZE] = | |
2214 | { | |
2215 | 0, 0, 0, 0, /* movi20 #gotofffuncdesc,r0 */ | |
2216 | 0x01, 0xce, /* mov.l @(r0,r12),r1 */ | |
2217 | 0x70, 0x04, /* add #4, r0 */ | |
2218 | 0x41, 0x2b, /* jmp @r1 */ | |
2219 | 0x0c, 0xce, /* mov.l @(r0,r12),r12 */ | |
2220 | 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */ | |
2221 | 0x60, 0xc2, /* mov.l @r12,r0 */ | |
2222 | 0x40, 0x2b, /* jmp @r0 */ | |
2223 | 0x53, 0xc1, /* mov.l @(4,r12),r3 */ | |
2224 | 0x00, 0x09, /* nop */ | |
2225 | }; | |
2226 | ||
2227 | static const bfd_byte fdpic_sh2a_plt_entry_le[FDPIC_SH2A_PLT_ENTRY_SIZE] = | |
2228 | { | |
2229 | 0, 0, 0, 0, /* movi20 #gotofffuncdesc,r0 */ | |
2230 | 0xce, 0x01, /* mov.l @(r0,r12),r1 */ | |
2231 | 0x04, 0x70, /* add #4, r0 */ | |
2232 | 0x2b, 0x41, /* jmp @r1 */ | |
2233 | 0xce, 0x0c, /* mov.l @(r0,r12),r12 */ | |
2234 | 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */ | |
2235 | 0xc2, 0x60, /* mov.l @r12,r0 */ | |
2236 | 0x2b, 0x40, /* jmp @r0 */ | |
2237 | 0xc1, 0x53, /* mov.l @(4,r12),r3 */ | |
2238 | 0x09, 0x00, /* nop */ | |
2239 | }; | |
2240 | ||
2241 | static const struct elf_sh_plt_info fdpic_sh2a_short_plt_be = { | |
2242 | /* Big-endian FDPIC, max index 64K. */ | |
2243 | NULL, | |
2244 | 0, | |
2245 | { MINUS_ONE, MINUS_ONE, MINUS_ONE }, | |
2246 | fdpic_sh2a_plt_entry_be, | |
2247 | FDPIC_SH2A_PLT_ENTRY_SIZE, | |
2248 | { 0, MINUS_ONE, 12, TRUE }, | |
2249 | FDPIC_SH2A_PLT_LAZY_OFFSET, | |
2250 | NULL | |
2251 | }; | |
2252 | ||
2253 | static const struct elf_sh_plt_info fdpic_sh2a_short_plt_le = { | |
2254 | /* Little-endian FDPIC, max index 64K. */ | |
2255 | NULL, | |
2256 | 0, | |
2257 | { MINUS_ONE, MINUS_ONE, MINUS_ONE }, | |
2258 | fdpic_sh2a_plt_entry_le, | |
2259 | FDPIC_SH2A_PLT_ENTRY_SIZE, | |
2260 | { 0, MINUS_ONE, 12, TRUE }, | |
2261 | FDPIC_SH2A_PLT_LAZY_OFFSET, | |
2262 | NULL | |
2263 | }; | |
2264 | ||
2265 | static const struct elf_sh_plt_info fdpic_sh2a_plts[2] = { | |
2266 | { | |
2267 | /* Big-endian PIC. */ | |
2268 | NULL, | |
2269 | 0, | |
2270 | { MINUS_ONE, MINUS_ONE, MINUS_ONE }, | |
2271 | fdpic_sh_plt_entry_be, | |
2272 | FDPIC_PLT_ENTRY_SIZE, | |
2273 | { 12, MINUS_ONE, 16, FALSE }, | |
2274 | FDPIC_PLT_LAZY_OFFSET, | |
2275 | &fdpic_sh2a_short_plt_be | |
2276 | }, | |
2277 | { | |
2278 | /* Little-endian PIC. */ | |
2279 | NULL, | |
2280 | 0, | |
2281 | { MINUS_ONE, MINUS_ONE, MINUS_ONE }, | |
2282 | fdpic_sh_plt_entry_le, | |
2283 | FDPIC_PLT_ENTRY_SIZE, | |
2284 | { 12, MINUS_ONE, 16, FALSE }, | |
2285 | FDPIC_PLT_LAZY_OFFSET, | |
2286 | &fdpic_sh2a_short_plt_le | |
2287 | }, | |
2288 | }; | |
2289 | ||
55e6e397 RS |
2290 | /* Return the type of PLT associated with ABFD. PIC_P is true if |
2291 | the object is position-independent. */ | |
9bdafcce | 2292 | |
55e6e397 | 2293 | static const struct elf_sh_plt_info * |
8e45593f | 2294 | get_plt_info (bfd *abfd, bfd_boolean pic_p) |
55e6e397 | 2295 | { |
8e45593f NC |
2296 | if (fdpic_object_p (abfd)) |
2297 | { | |
2298 | /* If any input file requires SH2A we can use a shorter PLT | |
2299 | sequence. */ | |
2300 | if (sh_get_arch_from_bfd_mach (bfd_get_mach (abfd)) & arch_sh2a_base) | |
2301 | return &fdpic_sh2a_plts[!bfd_big_endian (abfd)]; | |
2302 | else | |
2303 | return &fdpic_sh_plts[!bfd_big_endian (abfd)]; | |
2304 | } | |
55e6e397 RS |
2305 | if (vxworks_object_p (abfd)) |
2306 | return &vxworks_sh_plts[pic_p][!bfd_big_endian (abfd)]; | |
2307 | return &elf_sh_plts[pic_p][!bfd_big_endian (abfd)]; | |
2308 | } | |
9bdafcce | 2309 | |
55e6e397 RS |
2310 | /* Install a 32-bit PLT field starting at ADDR, which occurs in OUTPUT_BFD. |
2311 | VALUE is the field's value and CODE_P is true if VALUE refers to code, | |
2312 | not data. */ | |
9bdafcce | 2313 | |
55e6e397 RS |
2314 | inline static void |
2315 | install_plt_field (bfd *output_bfd, bfd_boolean code_p ATTRIBUTE_UNUSED, | |
2316 | unsigned long value, bfd_byte *addr) | |
2317 | { | |
2318 | bfd_put_32 (output_bfd, value, addr); | |
2319 | } | |
fbca6ad9 | 2320 | #endif |
015551fc | 2321 | |
8e45593f NC |
2322 | /* The number of PLT entries which can use a shorter PLT, if any. |
2323 | Currently always 64K, since only SH-2A FDPIC uses this; a | |
2324 | 20-bit movi20 can address that many function descriptors below | |
2325 | _GLOBAL_OFFSET_TABLE_. */ | |
2326 | #define MAX_SHORT_PLT 65536 | |
2327 | ||
55e6e397 RS |
2328 | /* Return the index of the PLT entry at byte offset OFFSET. */ |
2329 | ||
2330 | static bfd_vma | |
2331 | get_plt_index (const struct elf_sh_plt_info *info, bfd_vma offset) | |
2332 | { | |
8e45593f NC |
2333 | bfd_vma plt_index = 0; |
2334 | ||
2335 | offset -= info->plt0_entry_size; | |
2336 | if (info->short_plt != NULL) | |
2337 | { | |
2338 | if (offset > MAX_SHORT_PLT * info->short_plt->symbol_entry_size) | |
2339 | { | |
2340 | plt_index = MAX_SHORT_PLT; | |
2341 | offset -= MAX_SHORT_PLT * info->short_plt->symbol_entry_size; | |
2342 | } | |
2343 | else | |
2344 | info = info->short_plt; | |
2345 | } | |
2346 | return plt_index + offset / info->symbol_entry_size; | |
55e6e397 RS |
2347 | } |
2348 | ||
2349 | /* Do the inverse operation. */ | |
2350 | ||
2351 | static bfd_vma | |
91d6fa6a | 2352 | get_plt_offset (const struct elf_sh_plt_info *info, bfd_vma plt_index) |
55e6e397 | 2353 | { |
8e45593f NC |
2354 | bfd_vma offset = 0; |
2355 | ||
2356 | if (info->short_plt != NULL) | |
2357 | { | |
2358 | if (plt_index > MAX_SHORT_PLT) | |
2359 | { | |
2360 | offset = MAX_SHORT_PLT * info->short_plt->symbol_entry_size; | |
2361 | plt_index -= MAX_SHORT_PLT; | |
2362 | } | |
2363 | else | |
2364 | info = info->short_plt; | |
2365 | } | |
2366 | return (offset + info->plt0_entry_size | |
2367 | + (plt_index * info->symbol_entry_size)); | |
55e6e397 RS |
2368 | } |
2369 | ||
37c644f2 | 2370 | /* The sh linker needs to keep track of the number of relocs that it |
067653c5 AM |
2371 | decides to copy as dynamic relocs in check_relocs for each symbol. |
2372 | This is so that it can later discard them if they are found to be | |
2373 | unnecessary. We store the information in a field extending the | |
2374 | regular ELF linker hash table. */ | |
252b5132 | 2375 | |
067653c5 | 2376 | struct elf_sh_dyn_relocs |
38b1a46c | 2377 | { |
067653c5 AM |
2378 | struct elf_sh_dyn_relocs *next; |
2379 | ||
2380 | /* The input section of the reloc. */ | |
2381 | asection *sec; | |
2382 | ||
2383 | /* Total number of relocs copied for the input section. */ | |
37c644f2 | 2384 | bfd_size_type count; |
067653c5 AM |
2385 | |
2386 | /* Number of pc-relative relocs copied for the input section. */ | |
2387 | bfd_size_type pc_count; | |
37c644f2 | 2388 | }; |
252b5132 | 2389 | |
8e45593f NC |
2390 | union gotref |
2391 | { | |
2392 | bfd_signed_vma refcount; | |
2393 | bfd_vma offset; | |
2394 | }; | |
2395 | ||
37c644f2 AO |
2396 | /* sh ELF linker hash entry. */ |
2397 | ||
38b1a46c NC |
2398 | struct elf_sh_link_hash_entry |
2399 | { | |
37c644f2 AO |
2400 | struct elf_link_hash_entry root; |
2401 | ||
fbca6ad9 | 2402 | #ifdef INCLUDE_SHMEDIA |
396a6083 SC |
2403 | union |
2404 | { | |
2405 | bfd_signed_vma refcount; | |
2406 | bfd_vma offset; | |
2407 | } datalabel_got; | |
fbca6ad9 AO |
2408 | #endif |
2409 | ||
067653c5 AM |
2410 | /* Track dynamic relocs copied for this symbol. */ |
2411 | struct elf_sh_dyn_relocs *dyn_relocs; | |
4989d792 SC |
2412 | |
2413 | bfd_signed_vma gotplt_refcount; | |
3376eaf5 | 2414 | |
8e45593f NC |
2415 | /* A local function descriptor, for FDPIC. The refcount counts |
2416 | R_SH_FUNCDESC, R_SH_GOTOFFFUNCDESC, and R_SH_GOTOFFFUNCDESC20 | |
2417 | relocations; the PLT and GOT entry are accounted | |
2418 | for separately. After adjust_dynamic_symbol, the offset is | |
2419 | MINUS_ONE if there is no local descriptor (dynamic linker | |
2420 | managed and no PLT entry, or undefined weak non-dynamic). | |
2421 | During check_relocs we do not yet know whether the local | |
2422 | descriptor will be canonical. */ | |
2423 | union gotref funcdesc; | |
2424 | ||
2425 | /* How many of the above refcounted relocations were R_SH_FUNCDESC, | |
2426 | and thus require fixups or relocations. */ | |
2427 | bfd_signed_vma abs_funcdesc_refcount; | |
2428 | ||
85e02784 | 2429 | enum got_type { |
8e45593f NC |
2430 | GOT_UNKNOWN = 0, GOT_NORMAL, GOT_TLS_GD, GOT_TLS_IE, GOT_FUNCDESC |
2431 | } got_type; | |
3376eaf5 KK |
2432 | }; |
2433 | ||
2434 | #define sh_elf_hash_entry(ent) ((struct elf_sh_link_hash_entry *)(ent)) | |
2435 | ||
2436 | struct sh_elf_obj_tdata | |
2437 | { | |
2438 | struct elf_obj_tdata root; | |
2439 | ||
8e45593f NC |
2440 | /* got_type for each local got entry. */ |
2441 | char *local_got_type; | |
2442 | ||
2443 | /* Function descriptor refcount and offset for each local symbol. */ | |
2444 | union gotref *local_funcdesc; | |
37c644f2 AO |
2445 | }; |
2446 | ||
3376eaf5 KK |
2447 | #define sh_elf_tdata(abfd) \ |
2448 | ((struct sh_elf_obj_tdata *) (abfd)->tdata.any) | |
2449 | ||
8e45593f NC |
2450 | #define sh_elf_local_got_type(abfd) \ |
2451 | (sh_elf_tdata (abfd)->local_got_type) | |
2452 | ||
2453 | #define sh_elf_local_funcdesc(abfd) \ | |
2454 | (sh_elf_tdata (abfd)->local_funcdesc) | |
3376eaf5 | 2455 | |
0ffa91dd NC |
2456 | #define is_sh_elf(bfd) \ |
2457 | (bfd_get_flavour (bfd) == bfd_target_elf_flavour \ | |
2458 | && elf_tdata (bfd) != NULL \ | |
4dfe6ac6 | 2459 | && elf_object_id (bfd) == SH_ELF_DATA) |
0ffa91dd | 2460 | |
3376eaf5 KK |
2461 | /* Override the generic function because we need to store sh_elf_obj_tdata |
2462 | as the specific tdata. */ | |
2463 | ||
b34976b6 | 2464 | static bfd_boolean |
09fd220b | 2465 | sh_elf_mkobject (bfd *abfd) |
3376eaf5 | 2466 | { |
0ffa91dd | 2467 | return bfd_elf_allocate_object (abfd, sizeof (struct sh_elf_obj_tdata), |
4dfe6ac6 | 2468 | SH_ELF_DATA); |
3376eaf5 | 2469 | } |
b34976b6 | 2470 | |
37c644f2 AO |
2471 | /* sh ELF linker hash table. */ |
2472 | ||
38b1a46c NC |
2473 | struct elf_sh_link_hash_table |
2474 | { | |
37c644f2 | 2475 | struct elf_link_hash_table root; |
37c644f2 | 2476 | |
067653c5 AM |
2477 | /* Short-cuts to get to dynamic linker sections. */ |
2478 | asection *sgot; | |
2479 | asection *sgotplt; | |
2480 | asection *srelgot; | |
2481 | asection *splt; | |
2482 | asection *srelplt; | |
2483 | asection *sdynbss; | |
2484 | asection *srelbss; | |
8e45593f NC |
2485 | asection *sfuncdesc; |
2486 | asection *srelfuncdesc; | |
2487 | asection *srofixup; | |
37c644f2 | 2488 | |
55e6e397 RS |
2489 | /* The (unloaded but important) VxWorks .rela.plt.unloaded section. */ |
2490 | asection *srelplt2; | |
2491 | ||
87d72d41 AM |
2492 | /* Small local sym cache. */ |
2493 | struct sym_cache sym_cache; | |
3376eaf5 KK |
2494 | |
2495 | /* A counter or offset to track a TLS got entry. */ | |
2496 | union | |
2497 | { | |
2498 | bfd_signed_vma refcount; | |
2499 | bfd_vma offset; | |
2500 | } tls_ldm_got; | |
55e6e397 RS |
2501 | |
2502 | /* The type of PLT to use. */ | |
2503 | const struct elf_sh_plt_info *plt_info; | |
2504 | ||
2505 | /* True if the target system is VxWorks. */ | |
2506 | bfd_boolean vxworks_p; | |
8e45593f NC |
2507 | |
2508 | /* True if the target system uses FDPIC. */ | |
2509 | bfd_boolean fdpic_p; | |
067653c5 | 2510 | }; |
37c644f2 AO |
2511 | |
2512 | /* Traverse an sh ELF linker hash table. */ | |
2513 | ||
2514 | #define sh_elf_link_hash_traverse(table, func, info) \ | |
2515 | (elf_link_hash_traverse \ | |
2516 | (&(table)->root, \ | |
09fd220b | 2517 | (bfd_boolean (*) (struct elf_link_hash_entry *, void *)) (func), \ |
37c644f2 AO |
2518 | (info))) |
2519 | ||
2520 | /* Get the sh ELF linker hash table from a link_info structure. */ | |
2521 | ||
2522 | #define sh_elf_hash_table(p) \ | |
4dfe6ac6 NC |
2523 | (elf_hash_table_id ((struct elf_link_hash_table *) ((p)->hash)) \ |
2524 | == SH_ELF_DATA ? ((struct elf_sh_link_hash_table *) ((p)->hash)) : NULL) | |
37c644f2 AO |
2525 | |
2526 | /* Create an entry in an sh ELF linker hash table. */ | |
2527 | ||
2528 | static struct bfd_hash_entry * | |
09fd220b KK |
2529 | sh_elf_link_hash_newfunc (struct bfd_hash_entry *entry, |
2530 | struct bfd_hash_table *table, | |
2531 | const char *string) | |
37c644f2 AO |
2532 | { |
2533 | struct elf_sh_link_hash_entry *ret = | |
2534 | (struct elf_sh_link_hash_entry *) entry; | |
2535 | ||
2536 | /* Allocate the structure if it has not already been allocated by a | |
2537 | subclass. */ | |
2538 | if (ret == (struct elf_sh_link_hash_entry *) NULL) | |
2539 | ret = ((struct elf_sh_link_hash_entry *) | |
2540 | bfd_hash_allocate (table, | |
2541 | sizeof (struct elf_sh_link_hash_entry))); | |
2542 | if (ret == (struct elf_sh_link_hash_entry *) NULL) | |
2543 | return (struct bfd_hash_entry *) ret; | |
2544 | ||
2545 | /* Call the allocation method of the superclass. */ | |
2546 | ret = ((struct elf_sh_link_hash_entry *) | |
2547 | _bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret, | |
2548 | table, string)); | |
2549 | if (ret != (struct elf_sh_link_hash_entry *) NULL) | |
2550 | { | |
396a6083 SC |
2551 | ret->dyn_relocs = NULL; |
2552 | ret->gotplt_refcount = 0; | |
fbca6ad9 | 2553 | #ifdef INCLUDE_SHMEDIA |
396a6083 | 2554 | ret->datalabel_got.refcount = ret->root.got.refcount; |
fbca6ad9 | 2555 | #endif |
8e45593f NC |
2556 | ret->funcdesc.refcount = 0; |
2557 | ret->abs_funcdesc_refcount = 0; | |
2558 | ret->got_type = GOT_UNKNOWN; | |
37c644f2 AO |
2559 | } |
2560 | ||
2561 | return (struct bfd_hash_entry *) ret; | |
2562 | } | |
2563 | ||
2564 | /* Create an sh ELF linker hash table. */ | |
2565 | ||
2566 | static struct bfd_link_hash_table * | |
09fd220b | 2567 | sh_elf_link_hash_table_create (bfd *abfd) |
37c644f2 AO |
2568 | { |
2569 | struct elf_sh_link_hash_table *ret; | |
dc810e39 | 2570 | bfd_size_type amt = sizeof (struct elf_sh_link_hash_table); |
37c644f2 | 2571 | |
0e5de31a | 2572 | ret = (struct elf_sh_link_hash_table *) bfd_zmalloc (amt); |
37c644f2 AO |
2573 | if (ret == (struct elf_sh_link_hash_table *) NULL) |
2574 | return NULL; | |
2575 | ||
66eb6687 AM |
2576 | if (!_bfd_elf_link_hash_table_init (&ret->root, abfd, |
2577 | sh_elf_link_hash_newfunc, | |
4dfe6ac6 NC |
2578 | sizeof (struct elf_sh_link_hash_entry), |
2579 | SH_ELF_DATA)) | |
37c644f2 | 2580 | { |
e2d34d7d | 2581 | free (ret); |
37c644f2 AO |
2582 | return NULL; |
2583 | } | |
2584 | ||
55e6e397 | 2585 | ret->vxworks_p = vxworks_object_p (abfd); |
8e45593f | 2586 | ret->fdpic_p = fdpic_object_p (abfd); |
067653c5 | 2587 | |
37c644f2 AO |
2588 | return &ret->root.root; |
2589 | } | |
2590 | ||
8e45593f NC |
2591 | static bfd_boolean |
2592 | sh_elf_omit_section_dynsym (bfd *output_bfd ATTRIBUTE_UNUSED, | |
2593 | struct bfd_link_info *info, asection *p) | |
2594 | { | |
2595 | struct elf_sh_link_hash_table *htab = sh_elf_hash_table (info); | |
2596 | ||
2597 | /* Non-FDPIC binaries do not need dynamic symbols for sections. */ | |
2598 | if (!htab->fdpic_p) | |
2599 | return TRUE; | |
2600 | ||
2601 | /* We need dynamic symbols for every section, since segments can | |
2602 | relocate independently. */ | |
2603 | switch (elf_section_data (p)->this_hdr.sh_type) | |
2604 | { | |
2605 | case SHT_PROGBITS: | |
2606 | case SHT_NOBITS: | |
2607 | /* If sh_type is yet undecided, assume it could be | |
2608 | SHT_PROGBITS/SHT_NOBITS. */ | |
2609 | case SHT_NULL: | |
2610 | return FALSE; | |
2611 | ||
2612 | /* There shouldn't be section relative relocations | |
2613 | against any other section. */ | |
2614 | default: | |
2615 | return TRUE; | |
2616 | } | |
2617 | } | |
2618 | ||
067653c5 AM |
2619 | /* Create .got, .gotplt, and .rela.got sections in DYNOBJ, and set up |
2620 | shortcuts to them in our hash table. */ | |
2621 | ||
b34976b6 | 2622 | static bfd_boolean |
09fd220b | 2623 | create_got_section (bfd *dynobj, struct bfd_link_info *info) |
067653c5 AM |
2624 | { |
2625 | struct elf_sh_link_hash_table *htab; | |
2626 | ||
2627 | if (! _bfd_elf_create_got_section (dynobj, info)) | |
b34976b6 | 2628 | return FALSE; |
067653c5 AM |
2629 | |
2630 | htab = sh_elf_hash_table (info); | |
4dfe6ac6 NC |
2631 | if (htab == NULL) |
2632 | return FALSE; | |
2633 | ||
3d4d4302 AM |
2634 | htab->sgot = bfd_get_linker_section (dynobj, ".got"); |
2635 | htab->sgotplt = bfd_get_linker_section (dynobj, ".got.plt"); | |
2636 | htab->srelgot = bfd_get_linker_section (dynobj, ".rela.got"); | |
64e77c6d | 2637 | if (! htab->sgot || ! htab->sgotplt || ! htab->srelgot) |
067653c5 | 2638 | abort (); |
8e45593f | 2639 | |
3d4d4302 AM |
2640 | htab->sfuncdesc = bfd_make_section_anyway_with_flags (dynobj, ".got.funcdesc", |
2641 | (SEC_ALLOC | SEC_LOAD | |
2642 | | SEC_HAS_CONTENTS | |
2643 | | SEC_IN_MEMORY | |
2644 | | SEC_LINKER_CREATED)); | |
8e45593f NC |
2645 | if (htab->sfuncdesc == NULL |
2646 | || ! bfd_set_section_alignment (dynobj, htab->sfuncdesc, 2)) | |
2647 | return FALSE; | |
2648 | ||
3d4d4302 AM |
2649 | htab->srelfuncdesc = bfd_make_section_anyway_with_flags (dynobj, |
2650 | ".rela.got.funcdesc", | |
2651 | (SEC_ALLOC | SEC_LOAD | |
2652 | | SEC_HAS_CONTENTS | |
2653 | | SEC_IN_MEMORY | |
2654 | | SEC_LINKER_CREATED | |
2655 | | SEC_READONLY)); | |
8e45593f NC |
2656 | if (htab->srelfuncdesc == NULL |
2657 | || ! bfd_set_section_alignment (dynobj, htab->srelfuncdesc, 2)) | |
2658 | return FALSE; | |
2659 | ||
2660 | /* Also create .rofixup. */ | |
3d4d4302 AM |
2661 | htab->srofixup = bfd_make_section_anyway_with_flags (dynobj, ".rofixup", |
2662 | (SEC_ALLOC | SEC_LOAD | |
2663 | | SEC_HAS_CONTENTS | |
2664 | | SEC_IN_MEMORY | |
2665 | | SEC_LINKER_CREATED | |
2666 | | SEC_READONLY)); | |
8e45593f NC |
2667 | if (htab->srofixup == NULL |
2668 | || ! bfd_set_section_alignment (dynobj, htab->srofixup, 2)) | |
2669 | return FALSE; | |
2670 | ||
b34976b6 | 2671 | return TRUE; |
067653c5 AM |
2672 | } |
2673 | ||
37c644f2 AO |
2674 | /* Create dynamic sections when linking against a dynamic object. */ |
2675 | ||
b34976b6 | 2676 | static bfd_boolean |
09fd220b | 2677 | sh_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info) |
37c644f2 | 2678 | { |
067653c5 | 2679 | struct elf_sh_link_hash_table *htab; |
37c644f2 | 2680 | flagword flags, pltflags; |
91d6fa6a | 2681 | asection *s; |
9c5bfbb7 | 2682 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
37c644f2 AO |
2683 | int ptralign = 0; |
2684 | ||
2685 | switch (bed->s->arch_size) | |
2686 | { | |
2687 | case 32: | |
2688 | ptralign = 2; | |
2689 | break; | |
2690 | ||
2691 | case 64: | |
2692 | ptralign = 3; | |
2693 | break; | |
2694 | ||
2695 | default: | |
2696 | bfd_set_error (bfd_error_bad_value); | |
b34976b6 | 2697 | return FALSE; |
37c644f2 AO |
2698 | } |
2699 | ||
067653c5 | 2700 | htab = sh_elf_hash_table (info); |
4dfe6ac6 NC |
2701 | if (htab == NULL) |
2702 | return FALSE; | |
2703 | ||
35cad4c4 KK |
2704 | if (htab->root.dynamic_sections_created) |
2705 | return TRUE; | |
067653c5 | 2706 | |
37c644f2 AO |
2707 | /* We need to create .plt, .rel[a].plt, .got, .got.plt, .dynbss, and |
2708 | .rel[a].bss sections. */ | |
2709 | ||
2710 | flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY | |
2711 | | SEC_LINKER_CREATED); | |
2712 | ||
2713 | pltflags = flags; | |
2714 | pltflags |= SEC_CODE; | |
2715 | if (bed->plt_not_loaded) | |
2716 | pltflags &= ~ (SEC_LOAD | SEC_HAS_CONTENTS); | |
2717 | if (bed->plt_readonly) | |
2718 | pltflags |= SEC_READONLY; | |
2719 | ||
3d4d4302 | 2720 | s = bfd_make_section_anyway_with_flags (abfd, ".plt", pltflags); |
35cad4c4 KK |
2721 | htab->splt = s; |
2722 | if (s == NULL | |
35cad4c4 KK |
2723 | || ! bfd_set_section_alignment (abfd, s, bed->plt_alignment)) |
2724 | return FALSE; | |
37c644f2 AO |
2725 | |
2726 | if (bed->want_plt_sym) | |
2727 | { | |
2728 | /* Define the symbol _PROCEDURE_LINKAGE_TABLE_ at the start of the | |
2729 | .plt section. */ | |
14a793b2 AM |
2730 | struct elf_link_hash_entry *h; |
2731 | struct bfd_link_hash_entry *bh = NULL; | |
2732 | ||
37c644f2 AO |
2733 | if (! (_bfd_generic_link_add_one_symbol |
2734 | (info, abfd, "_PROCEDURE_LINKAGE_TABLE_", BSF_GLOBAL, s, | |
b34976b6 | 2735 | (bfd_vma) 0, (const char *) NULL, FALSE, |
14a793b2 | 2736 | get_elf_backend_data (abfd)->collect, &bh))) |
b34976b6 | 2737 | return FALSE; |
14a793b2 AM |
2738 | |
2739 | h = (struct elf_link_hash_entry *) bh; | |
f5385ebf | 2740 | h->def_regular = 1; |
37c644f2 | 2741 | h->type = STT_OBJECT; |
7325306f | 2742 | htab->root.hplt = h; |
37c644f2 | 2743 | |
0e1862bb | 2744 | if (bfd_link_pic (info) |
c152c796 | 2745 | && ! bfd_elf_link_record_dynamic_symbol (info, h)) |
b34976b6 | 2746 | return FALSE; |
37c644f2 AO |
2747 | } |
2748 | ||
3d4d4302 AM |
2749 | s = bfd_make_section_anyway_with_flags (abfd, |
2750 | bed->default_use_rela_p | |
2751 | ? ".rela.plt" : ".rel.plt", | |
2752 | flags | SEC_READONLY); | |
35cad4c4 KK |
2753 | htab->srelplt = s; |
2754 | if (s == NULL | |
35cad4c4 KK |
2755 | || ! bfd_set_section_alignment (abfd, s, ptralign)) |
2756 | return FALSE; | |
37c644f2 | 2757 | |
2293c499 AM |
2758 | if (htab->sgot == NULL |
2759 | && !create_got_section (abfd, info)) | |
b34976b6 | 2760 | return FALSE; |
37c644f2 | 2761 | |
37c644f2 AO |
2762 | if (bed->want_dynbss) |
2763 | { | |
2764 | /* The .dynbss section is a place to put symbols which are defined | |
2765 | by dynamic objects, are referenced by regular objects, and are | |
2766 | not functions. We must allocate space for them in the process | |
2767 | image and use a R_*_COPY reloc to tell the dynamic linker to | |
2768 | initialize them at run time. The linker script puts the .dynbss | |
2769 | section into the .bss section of the final image. */ | |
3d4d4302 AM |
2770 | s = bfd_make_section_anyway_with_flags (abfd, ".dynbss", |
2771 | SEC_ALLOC | SEC_LINKER_CREATED); | |
35cad4c4 | 2772 | htab->sdynbss = s; |
3496cb2a | 2773 | if (s == NULL) |
35cad4c4 | 2774 | return FALSE; |
37c644f2 AO |
2775 | |
2776 | /* The .rel[a].bss section holds copy relocs. This section is not | |
2777 | normally needed. We need to create it here, though, so that the | |
2778 | linker will map it to an output section. We can't just create it | |
2779 | only if we need it, because we will not know whether we need it | |
2780 | until we have seen all the input files, and the first time the | |
2781 | main linker code calls BFD after examining all the input files | |
2782 | (size_dynamic_sections) the input sections have already been | |
2783 | mapped to the output sections. If the section turns out not to | |
2784 | be needed, we can discard it later. We will never need this | |
2785 | section when generating a shared object, since they do not use | |
2786 | copy relocs. */ | |
0e1862bb | 2787 | if (! bfd_link_pic (info)) |
37c644f2 | 2788 | { |
3d4d4302 AM |
2789 | s = bfd_make_section_anyway_with_flags (abfd, |
2790 | (bed->default_use_rela_p | |
2791 | ? ".rela.bss" : ".rel.bss"), | |
2792 | flags | SEC_READONLY); | |
067653c5 | 2793 | htab->srelbss = s; |
37c644f2 | 2794 | if (s == NULL |
37c644f2 | 2795 | || ! bfd_set_section_alignment (abfd, s, ptralign)) |
b34976b6 | 2796 | return FALSE; |
37c644f2 AO |
2797 | } |
2798 | } | |
2799 | ||
55e6e397 RS |
2800 | if (htab->vxworks_p) |
2801 | { | |
2802 | if (!elf_vxworks_create_dynamic_sections (abfd, info, &htab->srelplt2)) | |
2803 | return FALSE; | |
2804 | } | |
2805 | ||
b34976b6 | 2806 | return TRUE; |
37c644f2 AO |
2807 | } |
2808 | \f | |
37c644f2 AO |
2809 | /* Adjust a symbol defined by a dynamic object and referenced by a |
2810 | regular object. The current definition is in some section of the | |
2811 | dynamic object, but we're not including those sections. We have to | |
2812 | change the definition to something the rest of the link can | |
2813 | understand. */ | |
2814 | ||
b34976b6 | 2815 | static bfd_boolean |
09fd220b KK |
2816 | sh_elf_adjust_dynamic_symbol (struct bfd_link_info *info, |
2817 | struct elf_link_hash_entry *h) | |
37c644f2 | 2818 | { |
067653c5 AM |
2819 | struct elf_sh_link_hash_table *htab; |
2820 | struct elf_sh_link_hash_entry *eh; | |
2821 | struct elf_sh_dyn_relocs *p; | |
37c644f2 | 2822 | asection *s; |
37c644f2 | 2823 | |
2293c499 | 2824 | htab = sh_elf_hash_table (info); |
4dfe6ac6 NC |
2825 | if (htab == NULL) |
2826 | return FALSE; | |
37c644f2 AO |
2827 | |
2828 | /* Make sure we know what is going on here. */ | |
2293c499 | 2829 | BFD_ASSERT (htab->root.dynobj != NULL |
f5385ebf | 2830 | && (h->needs_plt |
f6e332e6 | 2831 | || h->u.weakdef != NULL |
f5385ebf AM |
2832 | || (h->def_dynamic |
2833 | && h->ref_regular | |
2834 | && !h->def_regular))); | |
37c644f2 AO |
2835 | |
2836 | /* If this is a function, put it in the procedure linkage table. We | |
2837 | will fill in the contents of the procedure linkage table later, | |
2838 | when we know the address of the .got section. */ | |
2839 | if (h->type == STT_FUNC | |
f5385ebf | 2840 | || h->needs_plt) |
37c644f2 | 2841 | { |
067653c5 | 2842 | if (h->plt.refcount <= 0 |
3d85aebe KK |
2843 | || SYMBOL_CALLS_LOCAL (info, h) |
2844 | || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT | |
2845 | && h->root.type == bfd_link_hash_undefweak)) | |
37c644f2 AO |
2846 | { |
2847 | /* This case can occur if we saw a PLT reloc in an input | |
2848 | file, but the symbol was never referred to by a dynamic | |
2849 | object. In such a case, we don't actually need to build | |
2850 | a procedure linkage table, and we can just do a REL32 | |
2851 | reloc instead. */ | |
067653c5 | 2852 | h->plt.offset = (bfd_vma) -1; |
f5385ebf | 2853 | h->needs_plt = 0; |
37c644f2 AO |
2854 | } |
2855 | ||
b34976b6 | 2856 | return TRUE; |
37c644f2 | 2857 | } |
067653c5 AM |
2858 | else |
2859 | h->plt.offset = (bfd_vma) -1; | |
37c644f2 AO |
2860 | |
2861 | /* If this is a weak symbol, and there is a real definition, the | |
2862 | processor independent code will have arranged for us to see the | |
2863 | real definition first, and we can just use the same value. */ | |
f6e332e6 | 2864 | if (h->u.weakdef != NULL) |
37c644f2 | 2865 | { |
f6e332e6 AM |
2866 | BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined |
2867 | || h->u.weakdef->root.type == bfd_link_hash_defweak); | |
2868 | h->root.u.def.section = h->u.weakdef->root.u.def.section; | |
2869 | h->root.u.def.value = h->u.weakdef->root.u.def.value; | |
04e534c3 | 2870 | if (info->nocopyreloc) |
f6e332e6 | 2871 | h->non_got_ref = h->u.weakdef->non_got_ref; |
b34976b6 | 2872 | return TRUE; |
37c644f2 AO |
2873 | } |
2874 | ||
2875 | /* This is a reference to a symbol defined by a dynamic object which | |
2876 | is not a function. */ | |
2877 | ||
2878 | /* If we are creating a shared library, we must presume that the | |
2879 | only references to the symbol are via the global offset table. | |
2880 | For such cases we need not do anything here; the relocations will | |
2881 | be handled correctly by relocate_section. */ | |
0e1862bb | 2882 | if (bfd_link_pic (info)) |
b34976b6 | 2883 | return TRUE; |
37c644f2 AO |
2884 | |
2885 | /* If there are no references to this symbol that do not use the | |
2886 | GOT, we don't need to generate a copy reloc. */ | |
f5385ebf | 2887 | if (!h->non_got_ref) |
b34976b6 | 2888 | return TRUE; |
37c644f2 | 2889 | |
067653c5 AM |
2890 | /* If -z nocopyreloc was given, we won't generate them either. */ |
2891 | if (info->nocopyreloc) | |
2892 | { | |
f5385ebf | 2893 | h->non_got_ref = 0; |
b34976b6 | 2894 | return TRUE; |
067653c5 AM |
2895 | } |
2896 | ||
2897 | eh = (struct elf_sh_link_hash_entry *) h; | |
2898 | for (p = eh->dyn_relocs; p != NULL; p = p->next) | |
2899 | { | |
2900 | s = p->sec->output_section; | |
2901 | if (s != NULL && (s->flags & (SEC_READONLY | SEC_HAS_CONTENTS)) != 0) | |
2902 | break; | |
2903 | } | |
2904 | ||
2905 | /* If we didn't find any dynamic relocs in sections which needs the | |
2906 | copy reloc, then we'll be keeping the dynamic relocs and avoiding | |
2907 | the copy reloc. */ | |
2908 | if (p == NULL) | |
2909 | { | |
f5385ebf | 2910 | h->non_got_ref = 0; |
b34976b6 | 2911 | return TRUE; |
067653c5 AM |
2912 | } |
2913 | ||
37c644f2 AO |
2914 | /* We must allocate the symbol in our .dynbss section, which will |
2915 | become part of the .bss section of the executable. There will be | |
2916 | an entry for this symbol in the .dynsym section. The dynamic | |
2917 | object will contain position independent code, so all references | |
2918 | from the dynamic object to this symbol will go through the global | |
2919 | offset table. The dynamic linker will use the .dynsym entry to | |
2920 | determine the address it must put in the global offset table, so | |
2921 | both the dynamic object and the regular object will refer to the | |
2922 | same memory location for the variable. */ | |
2923 | ||
067653c5 | 2924 | s = htab->sdynbss; |
37c644f2 AO |
2925 | BFD_ASSERT (s != NULL); |
2926 | ||
2927 | /* We must generate a R_SH_COPY reloc to tell the dynamic linker to | |
2928 | copy the initial value out of the dynamic object and into the | |
2929 | runtime process image. We need to remember the offset into the | |
2930 | .rela.bss section we are going to use. */ | |
1d7e9d18 | 2931 | if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0) |
37c644f2 AO |
2932 | { |
2933 | asection *srel; | |
2934 | ||
067653c5 | 2935 | srel = htab->srelbss; |
37c644f2 | 2936 | BFD_ASSERT (srel != NULL); |
eea6121a | 2937 | srel->size += sizeof (Elf32_External_Rela); |
f5385ebf | 2938 | h->needs_copy = 1; |
37c644f2 AO |
2939 | } |
2940 | ||
6cabe1ea | 2941 | return _bfd_elf_adjust_dynamic_copy (info, h, s); |
37c644f2 AO |
2942 | } |
2943 | ||
067653c5 AM |
2944 | /* Allocate space in .plt, .got and associated reloc sections for |
2945 | dynamic relocs. */ | |
2946 | ||
b34976b6 | 2947 | static bfd_boolean |
09fd220b | 2948 | allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf) |
067653c5 AM |
2949 | { |
2950 | struct bfd_link_info *info; | |
2951 | struct elf_sh_link_hash_table *htab; | |
2952 | struct elf_sh_link_hash_entry *eh; | |
2953 | struct elf_sh_dyn_relocs *p; | |
2954 | ||
2955 | if (h->root.type == bfd_link_hash_indirect) | |
b34976b6 | 2956 | return TRUE; |
067653c5 | 2957 | |
067653c5 AM |
2958 | info = (struct bfd_link_info *) inf; |
2959 | htab = sh_elf_hash_table (info); | |
4dfe6ac6 NC |
2960 | if (htab == NULL) |
2961 | return FALSE; | |
067653c5 | 2962 | |
4989d792 SC |
2963 | eh = (struct elf_sh_link_hash_entry *) h; |
2964 | if ((h->got.refcount > 0 | |
f5385ebf | 2965 | || h->forced_local) |
4989d792 SC |
2966 | && eh->gotplt_refcount > 0) |
2967 | { | |
2968 | /* The symbol has been forced local, or we have some direct got refs, | |
26e41594 | 2969 | so treat all the gotplt refs as got refs. */ |
4989d792 SC |
2970 | h->got.refcount += eh->gotplt_refcount; |
2971 | if (h->plt.refcount >= eh->gotplt_refcount) | |
2972 | h->plt.refcount -= eh->gotplt_refcount; | |
2973 | } | |
2974 | ||
067653c5 | 2975 | if (htab->root.dynamic_sections_created |
04e534c3 KK |
2976 | && h->plt.refcount > 0 |
2977 | && (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT | |
2978 | || h->root.type != bfd_link_hash_undefweak)) | |
067653c5 AM |
2979 | { |
2980 | /* Make sure this symbol is output as a dynamic symbol. | |
2981 | Undefined weak syms won't yet be marked as dynamic. */ | |
2982 | if (h->dynindx == -1 | |
f5385ebf | 2983 | && !h->forced_local) |
067653c5 | 2984 | { |
c152c796 | 2985 | if (! bfd_elf_link_record_dynamic_symbol (info, h)) |
b34976b6 | 2986 | return FALSE; |
067653c5 AM |
2987 | } |
2988 | ||
0e1862bb | 2989 | if (bfd_link_pic (info) |
267fb3c1 | 2990 | || WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, 0, h)) |
067653c5 AM |
2991 | { |
2992 | asection *s = htab->splt; | |
8e45593f | 2993 | const struct elf_sh_plt_info *plt_info; |
067653c5 AM |
2994 | |
2995 | /* If this is the first .plt entry, make room for the special | |
2996 | first entry. */ | |
eea6121a | 2997 | if (s->size == 0) |
55e6e397 | 2998 | s->size += htab->plt_info->plt0_entry_size; |
067653c5 | 2999 | |
eea6121a | 3000 | h->plt.offset = s->size; |
067653c5 AM |
3001 | |
3002 | /* If this symbol is not defined in a regular file, and we are | |
3003 | not generating a shared library, then set the symbol to this | |
3004 | location in the .plt. This is required to make function | |
3005 | pointers compare as equal between the normal executable and | |
8e45593f NC |
3006 | the shared library. Skip this for FDPIC, since the |
3007 | function's address will be the address of the canonical | |
3008 | function descriptor. */ | |
0e1862bb | 3009 | if (!htab->fdpic_p && !bfd_link_pic (info) && !h->def_regular) |
067653c5 AM |
3010 | { |
3011 | h->root.u.def.section = s; | |
3012 | h->root.u.def.value = h->plt.offset; | |
3013 | } | |
3014 | ||
3015 | /* Make room for this entry. */ | |
8e45593f NC |
3016 | plt_info = htab->plt_info; |
3017 | if (plt_info->short_plt != NULL | |
3018 | && (get_plt_index (plt_info->short_plt, s->size) < MAX_SHORT_PLT)) | |
3019 | plt_info = plt_info->short_plt; | |
3020 | s->size += plt_info->symbol_entry_size; | |
067653c5 AM |
3021 | |
3022 | /* We also need to make an entry in the .got.plt section, which | |
3023 | will be placed in the .got section by the linker script. */ | |
8e45593f NC |
3024 | if (!htab->fdpic_p) |
3025 | htab->sgotplt->size += 4; | |
3026 | else | |
3027 | htab->sgotplt->size += 8; | |
067653c5 AM |
3028 | |
3029 | /* We also need to make an entry in the .rel.plt section. */ | |
eea6121a | 3030 | htab->srelplt->size += sizeof (Elf32_External_Rela); |
55e6e397 | 3031 | |
0e1862bb | 3032 | if (htab->vxworks_p && !bfd_link_pic (info)) |
55e6e397 RS |
3033 | { |
3034 | /* VxWorks executables have a second set of relocations | |
3035 | for each PLT entry. They go in a separate relocation | |
3036 | section, which is processed by the kernel loader. */ | |
3037 | ||
3038 | /* There is a relocation for the initial PLT entry: | |
3039 | an R_SH_DIR32 relocation for _GLOBAL_OFFSET_TABLE_. */ | |
3040 | if (h->plt.offset == htab->plt_info->plt0_entry_size) | |
3041 | htab->srelplt2->size += sizeof (Elf32_External_Rela); | |
3042 | ||
3043 | /* There are two extra relocations for each subsequent | |
3044 | PLT entry: an R_SH_DIR32 relocation for the GOT entry, | |
3045 | and an R_SH_DIR32 relocation for the PLT entry. */ | |
3046 | htab->srelplt2->size += sizeof (Elf32_External_Rela) * 2; | |
3047 | } | |
067653c5 AM |
3048 | } |
3049 | else | |
3050 | { | |
3051 | h->plt.offset = (bfd_vma) -1; | |
f5385ebf | 3052 | h->needs_plt = 0; |
067653c5 AM |
3053 | } |
3054 | } | |
3055 | else | |
3056 | { | |
3057 | h->plt.offset = (bfd_vma) -1; | |
f5385ebf | 3058 | h->needs_plt = 0; |
067653c5 AM |
3059 | } |
3060 | ||
3061 | if (h->got.refcount > 0) | |
3062 | { | |
3063 | asection *s; | |
b34976b6 | 3064 | bfd_boolean dyn; |
85e02784 | 3065 | enum got_type got_type = sh_elf_hash_entry (h)->got_type; |
067653c5 AM |
3066 | |
3067 | /* Make sure this symbol is output as a dynamic symbol. | |
3068 | Undefined weak syms won't yet be marked as dynamic. */ | |
3069 | if (h->dynindx == -1 | |
f5385ebf | 3070 | && !h->forced_local) |
067653c5 | 3071 | { |
c152c796 | 3072 | if (! bfd_elf_link_record_dynamic_symbol (info, h)) |
b34976b6 | 3073 | return FALSE; |
067653c5 AM |
3074 | } |
3075 | ||
3076 | s = htab->sgot; | |
eea6121a AM |
3077 | h->got.offset = s->size; |
3078 | s->size += 4; | |
3376eaf5 | 3079 | /* R_SH_TLS_GD needs 2 consecutive GOT slots. */ |
8e45593f | 3080 | if (got_type == GOT_TLS_GD) |
eea6121a | 3081 | s->size += 4; |
067653c5 | 3082 | dyn = htab->root.dynamic_sections_created; |
8e45593f NC |
3083 | if (!dyn) |
3084 | { | |
3085 | /* No dynamic relocations required. */ | |
0e1862bb | 3086 | if (htab->fdpic_p && !bfd_link_pic (info) |
8e45593f NC |
3087 | && h->root.type != bfd_link_hash_undefweak |
3088 | && (got_type == GOT_NORMAL || got_type == GOT_FUNCDESC)) | |
3089 | htab->srofixup->size += 4; | |
3090 | } | |
87458ed2 | 3091 | /* No dynamic relocations required when IE->LE conversion happens. */ |
0e1862bb L |
3092 | else if (got_type == GOT_TLS_IE |
3093 | && !h->def_dynamic | |
3094 | && !bfd_link_pic (info)) | |
87458ed2 | 3095 | ; |
267fb3c1 | 3096 | /* R_SH_TLS_IE_32 needs one dynamic relocation if dynamic, |
3376eaf5 | 3097 | R_SH_TLS_GD needs one if local symbol and two if global. */ |
8e45593f NC |
3098 | else if ((got_type == GOT_TLS_GD && h->dynindx == -1) |
3099 | || got_type == GOT_TLS_IE) | |
eea6121a | 3100 | htab->srelgot->size += sizeof (Elf32_External_Rela); |
8e45593f | 3101 | else if (got_type == GOT_TLS_GD) |
eea6121a | 3102 | htab->srelgot->size += 2 * sizeof (Elf32_External_Rela); |
8e45593f NC |
3103 | else if (got_type == GOT_FUNCDESC) |
3104 | { | |
0e1862bb | 3105 | if (!bfd_link_pic (info) && SYMBOL_FUNCDESC_LOCAL (info, h)) |
8e45593f NC |
3106 | htab->srofixup->size += 4; |
3107 | else | |
3108 | htab->srelgot->size += sizeof (Elf32_External_Rela); | |
3109 | } | |
04e534c3 KK |
3110 | else if ((ELF_ST_VISIBILITY (h->other) == STV_DEFAULT |
3111 | || h->root.type != bfd_link_hash_undefweak) | |
0e1862bb | 3112 | && (bfd_link_pic (info) |
04e534c3 | 3113 | || WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, 0, h))) |
eea6121a | 3114 | htab->srelgot->size += sizeof (Elf32_External_Rela); |
0e1862bb L |
3115 | else if (htab->fdpic_p |
3116 | && !bfd_link_pic (info) | |
3117 | && got_type == GOT_NORMAL | |
8e45593f NC |
3118 | && (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT |
3119 | || h->root.type != bfd_link_hash_undefweak)) | |
3120 | htab->srofixup->size += 4; | |
067653c5 AM |
3121 | } |
3122 | else | |
3123 | h->got.offset = (bfd_vma) -1; | |
3124 | ||
396a6083 SC |
3125 | #ifdef INCLUDE_SHMEDIA |
3126 | if (eh->datalabel_got.refcount > 0) | |
3127 | { | |
3128 | asection *s; | |
b34976b6 | 3129 | bfd_boolean dyn; |
396a6083 SC |
3130 | |
3131 | /* Make sure this symbol is output as a dynamic symbol. | |
3132 | Undefined weak syms won't yet be marked as dynamic. */ | |
3133 | if (h->dynindx == -1 | |
f5385ebf | 3134 | && !h->forced_local) |
396a6083 | 3135 | { |
c152c796 | 3136 | if (! bfd_elf_link_record_dynamic_symbol (info, h)) |
b34976b6 | 3137 | return FALSE; |
396a6083 SC |
3138 | } |
3139 | ||
3140 | s = htab->sgot; | |
eea6121a AM |
3141 | eh->datalabel_got.offset = s->size; |
3142 | s->size += 4; | |
396a6083 | 3143 | dyn = htab->root.dynamic_sections_created; |
0e1862bb | 3144 | if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, bfd_link_pic (info), h)) |
eea6121a | 3145 | htab->srelgot->size += sizeof (Elf32_External_Rela); |
396a6083 SC |
3146 | } |
3147 | else | |
3148 | eh->datalabel_got.offset = (bfd_vma) -1; | |
3149 | #endif | |
3150 | ||
8e45593f NC |
3151 | /* Allocate space for any dynamic relocations to function |
3152 | descriptors, canonical or otherwise. We need to relocate the | |
3153 | reference unless it resolves to zero, which only happens for | |
3154 | undefined weak symbols (either non-default visibility, or when | |
3155 | static linking). Any GOT slot is accounted for elsewhere. */ | |
3156 | if (eh->abs_funcdesc_refcount > 0 | |
3157 | && (h->root.type != bfd_link_hash_undefweak | |
3158 | || (htab->root.dynamic_sections_created | |
3159 | && ! SYMBOL_CALLS_LOCAL (info, h)))) | |
3160 | { | |
0e1862bb | 3161 | if (!bfd_link_pic (info) && SYMBOL_FUNCDESC_LOCAL (info, h)) |
8e45593f NC |
3162 | htab->srofixup->size += eh->abs_funcdesc_refcount * 4; |
3163 | else | |
3164 | htab->srelgot->size | |
3165 | += eh->abs_funcdesc_refcount * sizeof (Elf32_External_Rela); | |
3166 | } | |
3167 | ||
3168 | /* We must allocate a function descriptor if there are references to | |
3169 | a canonical descriptor (R_SH_GOTFUNCDESC or R_SH_FUNCDESC) and | |
3170 | the dynamic linker isn't going to allocate it. None of this | |
3171 | applies if we already created one in .got.plt, but if the | |
3172 | canonical function descriptor can be in this object, there | |
3173 | won't be a PLT entry at all. */ | |
3174 | if ((eh->funcdesc.refcount > 0 | |
3175 | || (h->got.offset != MINUS_ONE && eh->got_type == GOT_FUNCDESC)) | |
3176 | && h->root.type != bfd_link_hash_undefweak | |
3177 | && SYMBOL_FUNCDESC_LOCAL (info, h)) | |
3178 | { | |
3179 | /* Make room for this function descriptor. */ | |
3180 | eh->funcdesc.offset = htab->sfuncdesc->size; | |
3181 | htab->sfuncdesc->size += 8; | |
3182 | ||
3183 | /* We will need a relocation or two fixups to initialize the | |
3184 | function descriptor, so allocate those too. */ | |
0e1862bb | 3185 | if (!bfd_link_pic (info) && SYMBOL_CALLS_LOCAL (info, h)) |
8e45593f NC |
3186 | htab->srofixup->size += 8; |
3187 | else | |
3188 | htab->srelfuncdesc->size += sizeof (Elf32_External_Rela); | |
3189 | } | |
3190 | ||
067653c5 | 3191 | if (eh->dyn_relocs == NULL) |
b34976b6 | 3192 | return TRUE; |
067653c5 AM |
3193 | |
3194 | /* In the shared -Bsymbolic case, discard space allocated for | |
3195 | dynamic pc-relative relocs against symbols which turn out to be | |
3196 | defined in regular objects. For the normal shared case, discard | |
3197 | space for pc-relative relocs that have become local due to symbol | |
3198 | visibility changes. */ | |
3199 | ||
0e1862bb | 3200 | if (bfd_link_pic (info)) |
067653c5 | 3201 | { |
3d85aebe | 3202 | if (SYMBOL_CALLS_LOCAL (info, h)) |
067653c5 AM |
3203 | { |
3204 | struct elf_sh_dyn_relocs **pp; | |
3205 | ||
3206 | for (pp = &eh->dyn_relocs; (p = *pp) != NULL; ) | |
3207 | { | |
3208 | p->count -= p->pc_count; | |
3209 | p->pc_count = 0; | |
3210 | if (p->count == 0) | |
3211 | *pp = p->next; | |
3212 | else | |
3213 | pp = &p->next; | |
3214 | } | |
3215 | } | |
04e534c3 | 3216 | |
3348747a NS |
3217 | if (htab->vxworks_p) |
3218 | { | |
3219 | struct elf_sh_dyn_relocs **pp; | |
3220 | ||
3221 | for (pp = &eh->dyn_relocs; (p = *pp) != NULL; ) | |
3222 | { | |
3223 | if (strcmp (p->sec->output_section->name, ".tls_vars") == 0) | |
3224 | *pp = p->next; | |
3225 | else | |
3226 | pp = &p->next; | |
3227 | } | |
3228 | } | |
3229 | ||
04e534c3 KK |
3230 | /* Also discard relocs on undefined weak syms with non-default |
3231 | visibility. */ | |
22d606e9 | 3232 | if (eh->dyn_relocs != NULL |
04e534c3 | 3233 | && h->root.type == bfd_link_hash_undefweak) |
22d606e9 AM |
3234 | { |
3235 | if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT) | |
3236 | eh->dyn_relocs = NULL; | |
3237 | ||
3238 | /* Make sure undefined weak symbols are output as a dynamic | |
3239 | symbol in PIEs. */ | |
3240 | else if (h->dynindx == -1 | |
3241 | && !h->forced_local) | |
3242 | { | |
3243 | if (! bfd_elf_link_record_dynamic_symbol (info, h)) | |
3244 | return FALSE; | |
3245 | } | |
3246 | } | |
067653c5 AM |
3247 | } |
3248 | else | |
3249 | { | |
3250 | /* For the non-shared case, discard space for relocs against | |
3251 | symbols which turn out to need copy relocs or are not | |
3252 | dynamic. */ | |
3253 | ||
f5385ebf AM |
3254 | if (!h->non_got_ref |
3255 | && ((h->def_dynamic | |
3256 | && !h->def_regular) | |
067653c5 AM |
3257 | || (htab->root.dynamic_sections_created |
3258 | && (h->root.type == bfd_link_hash_undefweak | |
3259 | || h->root.type == bfd_link_hash_undefined)))) | |
3260 | { | |
3261 | /* Make sure this symbol is output as a dynamic symbol. | |
3262 | Undefined weak syms won't yet be marked as dynamic. */ | |
3263 | if (h->dynindx == -1 | |
f5385ebf | 3264 | && !h->forced_local) |
067653c5 | 3265 | { |
c152c796 | 3266 | if (! bfd_elf_link_record_dynamic_symbol (info, h)) |
b34976b6 | 3267 | return FALSE; |
067653c5 AM |
3268 | } |
3269 | ||
3270 | /* If that succeeded, we know we'll be keeping all the | |
3271 | relocs. */ | |
3272 | if (h->dynindx != -1) | |
3273 | goto keep; | |
3274 | } | |
3275 | ||
3276 | eh->dyn_relocs = NULL; | |
3277 | ||
3278 | keep: ; | |
3279 | } | |
3280 | ||
3281 | /* Finally, allocate space. */ | |
3282 | for (p = eh->dyn_relocs; p != NULL; p = p->next) | |
3283 | { | |
3284 | asection *sreloc = elf_section_data (p->sec)->sreloc; | |
eea6121a | 3285 | sreloc->size += p->count * sizeof (Elf32_External_Rela); |
8e45593f NC |
3286 | |
3287 | /* If we need relocations, we do not need fixups. */ | |
0e1862bb | 3288 | if (htab->fdpic_p && !bfd_link_pic (info)) |
8e45593f | 3289 | htab->srofixup->size -= 4 * (p->count - p->pc_count); |
067653c5 AM |
3290 | } |
3291 | ||
b34976b6 | 3292 | return TRUE; |
067653c5 AM |
3293 | } |
3294 | ||
3295 | /* Find any dynamic relocs that apply to read-only sections. */ | |
3296 | ||
b34976b6 | 3297 | static bfd_boolean |
09fd220b | 3298 | readonly_dynrelocs (struct elf_link_hash_entry *h, void *inf) |
067653c5 AM |
3299 | { |
3300 | struct elf_sh_link_hash_entry *eh; | |
3301 | struct elf_sh_dyn_relocs *p; | |
3302 | ||
067653c5 AM |
3303 | eh = (struct elf_sh_link_hash_entry *) h; |
3304 | for (p = eh->dyn_relocs; p != NULL; p = p->next) | |
3305 | { | |
3306 | asection *s = p->sec->output_section; | |
3307 | ||
3308 | if (s != NULL && (s->flags & SEC_READONLY) != 0) | |
3309 | { | |
3310 | struct bfd_link_info *info = (struct bfd_link_info *) inf; | |
3311 | ||
3312 | info->flags |= DF_TEXTREL; | |
3313 | ||
3314 | /* Not an error, just cut short the traversal. */ | |
b34976b6 | 3315 | return FALSE; |
067653c5 AM |
3316 | } |
3317 | } | |
b34976b6 | 3318 | return TRUE; |
067653c5 AM |
3319 | } |
3320 | ||
55e6e397 RS |
3321 | /* This function is called after all the input files have been read, |
3322 | and the input sections have been assigned to output sections. | |
3323 | It's a convenient place to determine the PLT style. */ | |
3324 | ||
3325 | static bfd_boolean | |
3326 | sh_elf_always_size_sections (bfd *output_bfd, struct bfd_link_info *info) | |
3327 | { | |
0e1862bb L |
3328 | sh_elf_hash_table (info)->plt_info = get_plt_info (output_bfd, |
3329 | bfd_link_pic (info)); | |
8e45593f | 3330 | |
0e1862bb | 3331 | if (sh_elf_hash_table (info)->fdpic_p && !bfd_link_relocatable (info) |
04c3a755 NS |
3332 | && !bfd_elf_stack_segment_size (output_bfd, info, |
3333 | "__stacksize", DEFAULT_STACK_SIZE)) | |
3334 | return FALSE; | |
55e6e397 RS |
3335 | return TRUE; |
3336 | } | |
3337 | ||
37c644f2 AO |
3338 | /* Set the sizes of the dynamic sections. */ |
3339 | ||
b34976b6 | 3340 | static bfd_boolean |
09fd220b KK |
3341 | sh_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED, |
3342 | struct bfd_link_info *info) | |
37c644f2 | 3343 | { |
067653c5 | 3344 | struct elf_sh_link_hash_table *htab; |
37c644f2 AO |
3345 | bfd *dynobj; |
3346 | asection *s; | |
b34976b6 | 3347 | bfd_boolean relocs; |
067653c5 | 3348 | bfd *ibfd; |
37c644f2 | 3349 | |
067653c5 | 3350 | htab = sh_elf_hash_table (info); |
4dfe6ac6 NC |
3351 | if (htab == NULL) |
3352 | return FALSE; | |
3353 | ||
067653c5 | 3354 | dynobj = htab->root.dynobj; |
37c644f2 AO |
3355 | BFD_ASSERT (dynobj != NULL); |
3356 | ||
067653c5 | 3357 | if (htab->root.dynamic_sections_created) |
37c644f2 AO |
3358 | { |
3359 | /* Set the contents of the .interp section to the interpreter. */ | |
9b8b325a | 3360 | if (bfd_link_executable (info) && !info->nointerp) |
37c644f2 | 3361 | { |
3d4d4302 | 3362 | s = bfd_get_linker_section (dynobj, ".interp"); |
37c644f2 | 3363 | BFD_ASSERT (s != NULL); |
eea6121a | 3364 | s->size = sizeof ELF_DYNAMIC_INTERPRETER; |
37c644f2 AO |
3365 | s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER; |
3366 | } | |
3367 | } | |
37c644f2 | 3368 | |
067653c5 AM |
3369 | /* Set up .got offsets for local syms, and space for local dynamic |
3370 | relocs. */ | |
c72f2fb2 | 3371 | for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next) |
37c644f2 | 3372 | { |
067653c5 AM |
3373 | bfd_signed_vma *local_got; |
3374 | bfd_signed_vma *end_local_got; | |
8e45593f NC |
3375 | union gotref *local_funcdesc, *end_local_funcdesc; |
3376 | char *local_got_type; | |
067653c5 AM |
3377 | bfd_size_type locsymcount; |
3378 | Elf_Internal_Shdr *symtab_hdr; | |
3379 | asection *srel; | |
37c644f2 | 3380 | |
0ffa91dd | 3381 | if (! is_sh_elf (ibfd)) |
37c644f2 AO |
3382 | continue; |
3383 | ||
067653c5 | 3384 | for (s = ibfd->sections; s != NULL; s = s->next) |
37c644f2 | 3385 | { |
067653c5 AM |
3386 | struct elf_sh_dyn_relocs *p; |
3387 | ||
3388 | for (p = ((struct elf_sh_dyn_relocs *) | |
3389 | elf_section_data (s)->local_dynrel); | |
3390 | p != NULL; | |
3391 | p = p->next) | |
37c644f2 | 3392 | { |
067653c5 AM |
3393 | if (! bfd_is_abs_section (p->sec) |
3394 | && bfd_is_abs_section (p->sec->output_section)) | |
3395 | { | |
3396 | /* Input section has been discarded, either because | |
3397 | it is a copy of a linkonce section or due to | |
3398 | linker script /DISCARD/, so we'll be discarding | |
3399 | the relocs too. */ | |
3400 | } | |
3348747a NS |
3401 | else if (htab->vxworks_p |
3402 | && strcmp (p->sec->output_section->name, | |
3403 | ".tls_vars") == 0) | |
3404 | { | |
3405 | /* Relocations in vxworks .tls_vars sections are | |
3406 | handled specially by the loader. */ | |
3407 | } | |
067653c5 AM |
3408 | else if (p->count != 0) |
3409 | { | |
3410 | srel = elf_section_data (p->sec)->sreloc; | |
eea6121a | 3411 | srel->size += p->count * sizeof (Elf32_External_Rela); |
067653c5 AM |
3412 | if ((p->sec->output_section->flags & SEC_READONLY) != 0) |
3413 | info->flags |= DF_TEXTREL; | |
8e45593f NC |
3414 | |
3415 | /* If we need relocations, we do not need fixups. */ | |
0e1862bb | 3416 | if (htab->fdpic_p && !bfd_link_pic (info)) |
8e45593f | 3417 | htab->srofixup->size -= 4 * (p->count - p->pc_count); |
067653c5 | 3418 | } |
37c644f2 AO |
3419 | } |
3420 | } | |
067653c5 | 3421 | |
0ffa91dd | 3422 | symtab_hdr = &elf_symtab_hdr (ibfd); |
067653c5 AM |
3423 | locsymcount = symtab_hdr->sh_info; |
3424 | #ifdef INCLUDE_SHMEDIA | |
3425 | /* Count datalabel local GOT. */ | |
3426 | locsymcount *= 2; | |
3427 | #endif | |
067653c5 AM |
3428 | s = htab->sgot; |
3429 | srel = htab->srelgot; | |
8e45593f NC |
3430 | |
3431 | local_got = elf_local_got_refcounts (ibfd); | |
3432 | if (local_got) | |
37c644f2 | 3433 | { |
8e45593f NC |
3434 | end_local_got = local_got + locsymcount; |
3435 | local_got_type = sh_elf_local_got_type (ibfd); | |
3436 | local_funcdesc = sh_elf_local_funcdesc (ibfd); | |
3437 | for (; local_got < end_local_got; ++local_got) | |
37c644f2 | 3438 | { |
8e45593f NC |
3439 | if (*local_got > 0) |
3440 | { | |
3441 | *local_got = s->size; | |
3442 | s->size += 4; | |
3443 | if (*local_got_type == GOT_TLS_GD) | |
3444 | s->size += 4; | |
0e1862bb | 3445 | if (bfd_link_pic (info)) |
8e45593f NC |
3446 | srel->size += sizeof (Elf32_External_Rela); |
3447 | else | |
3448 | htab->srofixup->size += 4; | |
3449 | ||
3450 | if (*local_got_type == GOT_FUNCDESC) | |
3451 | { | |
3452 | if (local_funcdesc == NULL) | |
3453 | { | |
3454 | bfd_size_type size; | |
3455 | ||
3456 | size = locsymcount * sizeof (union gotref); | |
3457 | local_funcdesc = (union gotref *) bfd_zalloc (ibfd, | |
3458 | size); | |
3459 | if (local_funcdesc == NULL) | |
3460 | return FALSE; | |
3461 | sh_elf_local_funcdesc (ibfd) = local_funcdesc; | |
3462 | local_funcdesc += (local_got | |
3463 | - elf_local_got_refcounts (ibfd)); | |
3464 | } | |
3465 | local_funcdesc->refcount++; | |
3466 | ++local_funcdesc; | |
3467 | } | |
3468 | } | |
3469 | else | |
3470 | *local_got = (bfd_vma) -1; | |
3471 | ++local_got_type; | |
3472 | } | |
3473 | } | |
3474 | ||
3475 | local_funcdesc = sh_elf_local_funcdesc (ibfd); | |
3476 | if (local_funcdesc) | |
3477 | { | |
3478 | end_local_funcdesc = local_funcdesc + locsymcount; | |
3479 | ||
3480 | for (; local_funcdesc < end_local_funcdesc; ++local_funcdesc) | |
3481 | { | |
3482 | if (local_funcdesc->refcount > 0) | |
3483 | { | |
3484 | local_funcdesc->offset = htab->sfuncdesc->size; | |
3485 | htab->sfuncdesc->size += 8; | |
0e1862bb | 3486 | if (!bfd_link_pic (info)) |
8e45593f NC |
3487 | htab->srofixup->size += 8; |
3488 | else | |
3489 | htab->srelfuncdesc->size += sizeof (Elf32_External_Rela); | |
3490 | } | |
3491 | else | |
3492 | local_funcdesc->offset = MINUS_ONE; | |
37c644f2 | 3493 | } |
37c644f2 | 3494 | } |
8e45593f | 3495 | |
067653c5 AM |
3496 | } |
3497 | ||
3376eaf5 KK |
3498 | if (htab->tls_ldm_got.refcount > 0) |
3499 | { | |
3500 | /* Allocate 2 got entries and 1 dynamic reloc for R_SH_TLS_LD_32 | |
3501 | relocs. */ | |
eea6121a AM |
3502 | htab->tls_ldm_got.offset = htab->sgot->size; |
3503 | htab->sgot->size += 8; | |
3504 | htab->srelgot->size += sizeof (Elf32_External_Rela); | |
3376eaf5 KK |
3505 | } |
3506 | else | |
3507 | htab->tls_ldm_got.offset = -1; | |
3508 | ||
8e45593f NC |
3509 | /* Only the reserved entries should be present. For FDPIC, they go at |
3510 | the end of .got.plt. */ | |
3511 | if (htab->fdpic_p) | |
3512 | { | |
3513 | BFD_ASSERT (htab->sgotplt && htab->sgotplt->size == 12); | |
3514 | htab->sgotplt->size = 0; | |
3515 | } | |
3516 | ||
067653c5 AM |
3517 | /* Allocate global sym .plt and .got entries, and space for global |
3518 | sym dynamic relocs. */ | |
09fd220b | 3519 | elf_link_hash_traverse (&htab->root, allocate_dynrelocs, info); |
067653c5 | 3520 | |
8e45593f NC |
3521 | /* Move the reserved entries and the _GLOBAL_OFFSET_TABLE_ symbol to the |
3522 | end of the FDPIC .got.plt. */ | |
3523 | if (htab->fdpic_p) | |
3524 | { | |
3525 | htab->root.hgot->root.u.def.value = htab->sgotplt->size; | |
3526 | htab->sgotplt->size += 12; | |
3527 | } | |
3528 | ||
3529 | /* At the very end of the .rofixup section is a pointer to the GOT. */ | |
3530 | if (htab->fdpic_p && htab->srofixup != NULL) | |
3531 | htab->srofixup->size += 4; | |
3532 | ||
067653c5 AM |
3533 | /* We now have determined the sizes of the various dynamic sections. |
3534 | Allocate memory for them. */ | |
b34976b6 | 3535 | relocs = FALSE; |
067653c5 AM |
3536 | for (s = dynobj->sections; s != NULL; s = s->next) |
3537 | { | |
3538 | if ((s->flags & SEC_LINKER_CREATED) == 0) | |
3539 | continue; | |
3540 | ||
3541 | if (s == htab->splt | |
3542 | || s == htab->sgot | |
c456f082 | 3543 | || s == htab->sgotplt |
8e45593f NC |
3544 | || s == htab->sfuncdesc |
3545 | || s == htab->srofixup | |
c456f082 | 3546 | || s == htab->sdynbss) |
067653c5 AM |
3547 | { |
3548 | /* Strip this section if we don't need it; see the | |
3549 | comment below. */ | |
3550 | } | |
0112cd26 | 3551 | else if (CONST_STRNEQ (bfd_get_section_name (dynobj, s), ".rela")) |
067653c5 | 3552 | { |
55e6e397 | 3553 | if (s->size != 0 && s != htab->srelplt && s != htab->srelplt2) |
b34976b6 | 3554 | relocs = TRUE; |
067653c5 AM |
3555 | |
3556 | /* We use the reloc_count field as a counter if we need | |
3557 | to copy relocs into the output file. */ | |
3558 | s->reloc_count = 0; | |
3559 | } | |
3560 | else | |
37c644f2 AO |
3561 | { |
3562 | /* It's not one of our sections, so don't allocate space. */ | |
3563 | continue; | |
3564 | } | |
3565 | ||
eea6121a | 3566 | if (s->size == 0) |
37c644f2 | 3567 | { |
067653c5 AM |
3568 | /* If we don't need this section, strip it from the |
3569 | output file. This is mostly to handle .rela.bss and | |
3570 | .rela.plt. We must create both sections in | |
3571 | create_dynamic_sections, because they must be created | |
3572 | before the linker maps input sections to output | |
3573 | sections. The linker does that before | |
3574 | adjust_dynamic_symbol is called, and it is that | |
3575 | function which decides whether anything needs to go | |
3576 | into these sections. */ | |
3577 | ||
8423293d | 3578 | s->flags |= SEC_EXCLUDE; |
37c644f2 AO |
3579 | continue; |
3580 | } | |
3581 | ||
c456f082 AM |
3582 | if ((s->flags & SEC_HAS_CONTENTS) == 0) |
3583 | continue; | |
3584 | ||
067653c5 AM |
3585 | /* Allocate memory for the section contents. We use bfd_zalloc |
3586 | here in case unused entries are not reclaimed before the | |
3587 | section's contents are written out. This should not happen, | |
3588 | but this way if it does, we get a R_SH_NONE reloc instead | |
3589 | of garbage. */ | |
eea6121a | 3590 | s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size); |
067653c5 | 3591 | if (s->contents == NULL) |
b34976b6 | 3592 | return FALSE; |
37c644f2 AO |
3593 | } |
3594 | ||
067653c5 | 3595 | if (htab->root.dynamic_sections_created) |
37c644f2 AO |
3596 | { |
3597 | /* Add some entries to the .dynamic section. We fill in the | |
3598 | values later, in sh_elf_finish_dynamic_sections, but we | |
3599 | must add the entries now so that we get the correct size for | |
3600 | the .dynamic section. The DT_DEBUG entry is filled in by the | |
3601 | dynamic linker and used by the debugger. */ | |
dc810e39 | 3602 | #define add_dynamic_entry(TAG, VAL) \ |
5a580b3a | 3603 | _bfd_elf_add_dynamic_entry (info, TAG, VAL) |
dc810e39 | 3604 | |
0e1862bb | 3605 | if (bfd_link_executable (info)) |
37c644f2 | 3606 | { |
067653c5 | 3607 | if (! add_dynamic_entry (DT_DEBUG, 0)) |
b34976b6 | 3608 | return FALSE; |
37c644f2 AO |
3609 | } |
3610 | ||
eea6121a | 3611 | if (htab->splt->size != 0) |
37c644f2 | 3612 | { |
067653c5 AM |
3613 | if (! add_dynamic_entry (DT_PLTGOT, 0) |
3614 | || ! add_dynamic_entry (DT_PLTRELSZ, 0) | |
3615 | || ! add_dynamic_entry (DT_PLTREL, DT_RELA) | |
3616 | || ! add_dynamic_entry (DT_JMPREL, 0)) | |
b34976b6 | 3617 | return FALSE; |
37c644f2 | 3618 | } |
b4b0e149 | 3619 | else if ((elf_elfheader (output_bfd)->e_flags & EF_SH_FDPIC)) |
8e45593f NC |
3620 | { |
3621 | if (! add_dynamic_entry (DT_PLTGOT, 0)) | |
3622 | return FALSE; | |
3623 | } | |
37c644f2 AO |
3624 | |
3625 | if (relocs) | |
3626 | { | |
067653c5 AM |
3627 | if (! add_dynamic_entry (DT_RELA, 0) |
3628 | || ! add_dynamic_entry (DT_RELASZ, 0) | |
3629 | || ! add_dynamic_entry (DT_RELAENT, | |
3630 | sizeof (Elf32_External_Rela))) | |
b34976b6 | 3631 | return FALSE; |
37c644f2 | 3632 | |
067653c5 AM |
3633 | /* If any dynamic relocs apply to a read-only section, |
3634 | then we need a DT_TEXTREL entry. */ | |
3635 | if ((info->flags & DF_TEXTREL) == 0) | |
09fd220b | 3636 | elf_link_hash_traverse (&htab->root, readonly_dynrelocs, info); |
067653c5 AM |
3637 | |
3638 | if ((info->flags & DF_TEXTREL) != 0) | |
3639 | { | |
3640 | if (! add_dynamic_entry (DT_TEXTREL, 0)) | |
b34976b6 | 3641 | return FALSE; |
067653c5 | 3642 | } |
37c644f2 | 3643 | } |
7a2b07ff NS |
3644 | if (htab->vxworks_p |
3645 | && !elf_vxworks_add_dynamic_entries (output_bfd, info)) | |
3646 | return FALSE; | |
37c644f2 | 3647 | } |
dc810e39 | 3648 | #undef add_dynamic_entry |
37c644f2 | 3649 | |
b34976b6 | 3650 | return TRUE; |
37c644f2 | 3651 | } |
37c644f2 | 3652 | \f |
8e45593f | 3653 | /* Add a dynamic relocation to the SRELOC section. */ |
37c644f2 | 3654 | |
8e45593f NC |
3655 | inline static bfd_vma |
3656 | sh_elf_add_dyn_reloc (bfd *output_bfd, asection *sreloc, bfd_vma offset, | |
3657 | int reloc_type, long dynindx, bfd_vma addend) | |
37c644f2 | 3658 | { |
8e45593f NC |
3659 | Elf_Internal_Rela outrel; |
3660 | bfd_vma reloc_offset; | |
37c644f2 | 3661 | |
8e45593f NC |
3662 | outrel.r_offset = offset; |
3663 | outrel.r_info = ELF32_R_INFO (dynindx, reloc_type); | |
3664 | outrel.r_addend = addend; | |
0ffa91dd | 3665 | |
8e45593f NC |
3666 | reloc_offset = sreloc->reloc_count * sizeof (Elf32_External_Rela); |
3667 | BFD_ASSERT (reloc_offset < sreloc->size); | |
3668 | bfd_elf32_swap_reloca_out (output_bfd, &outrel, | |
3669 | sreloc->contents + reloc_offset); | |
3670 | sreloc->reloc_count++; | |
37c644f2 | 3671 | |
8e45593f NC |
3672 | return reloc_offset; |
3673 | } | |
37c644f2 | 3674 | |
8e45593f | 3675 | /* Add an FDPIC read-only fixup. */ |
37c644f2 | 3676 | |
8e45593f NC |
3677 | inline static void |
3678 | sh_elf_add_rofixup (bfd *output_bfd, asection *srofixup, bfd_vma offset) | |
3679 | { | |
3680 | bfd_vma fixup_offset; | |
3681 | ||
3682 | fixup_offset = srofixup->reloc_count++ * 4; | |
3683 | BFD_ASSERT (fixup_offset < srofixup->size); | |
3684 | bfd_put_32 (output_bfd, offset, srofixup->contents + fixup_offset); | |
3685 | } | |
3686 | ||
3687 | /* Return the offset of the generated .got section from the | |
3688 | _GLOBAL_OFFSET_TABLE_ symbol. */ | |
3689 | ||
3690 | static bfd_signed_vma | |
3691 | sh_elf_got_offset (struct elf_sh_link_hash_table *htab) | |
3692 | { | |
3693 | return (htab->sgot->output_offset - htab->sgotplt->output_offset | |
3694 | - htab->root.hgot->root.u.def.value); | |
3695 | } | |
3696 | ||
3697 | /* Find the segment number in which OSEC, and output section, is | |
3698 | located. */ | |
3699 | ||
3700 | static unsigned | |
3701 | sh_elf_osec_to_segment (bfd *output_bfd, asection *osec) | |
3702 | { | |
3d301fdc AM |
3703 | Elf_Internal_Phdr *p = NULL; |
3704 | ||
5bc8cb6f NC |
3705 | if (output_bfd->xvec->flavour == bfd_target_elf_flavour |
3706 | /* PR ld/17110: Do not look for output segments in an input bfd. */ | |
3707 | && output_bfd->direction != read_direction) | |
3d301fdc | 3708 | p = _bfd_elf_find_segment_containing_section (output_bfd, osec); |
8e45593f NC |
3709 | |
3710 | /* FIXME: Nothing ever says what this index is relative to. The kernel | |
3711 | supplies data in terms of the number of load segments but this is | |
3712 | a phdr index and the first phdr may not be a load segment. */ | |
3713 | return (p != NULL) ? p - elf_tdata (output_bfd)->phdr : -1; | |
3714 | } | |
3715 | ||
3716 | static bfd_boolean | |
3717 | sh_elf_osec_readonly_p (bfd *output_bfd, asection *osec) | |
3718 | { | |
3719 | unsigned seg = sh_elf_osec_to_segment (output_bfd, osec); | |
3720 | ||
3d301fdc AM |
3721 | return (seg != (unsigned) -1 |
3722 | && ! (elf_tdata (output_bfd)->phdr[seg].p_flags & PF_W)); | |
8e45593f NC |
3723 | } |
3724 | ||
3725 | /* Generate the initial contents of a local function descriptor, along | |
3726 | with any relocations or fixups required. */ | |
3727 | static bfd_boolean | |
3728 | sh_elf_initialize_funcdesc (bfd *output_bfd, | |
3729 | struct bfd_link_info *info, | |
3730 | struct elf_link_hash_entry *h, | |
3731 | bfd_vma offset, | |
3732 | asection *section, | |
3733 | bfd_vma value) | |
3734 | { | |
3735 | struct elf_sh_link_hash_table *htab; | |
3736 | int dynindx; | |
3737 | bfd_vma addr, seg; | |
3738 | ||
3739 | htab = sh_elf_hash_table (info); | |
3740 | ||
3741 | /* FIXME: The ABI says that the offset to the function goes in the | |
3742 | descriptor, along with the segment index. We're RELA, so it could | |
3743 | go in the reloc instead... */ | |
3744 | ||
3745 | if (h != NULL && SYMBOL_CALLS_LOCAL (info, h)) | |
3746 | { | |
3747 | section = h->root.u.def.section; | |
3748 | value = h->root.u.def.value; | |
3749 | } | |
3750 | ||
3751 | if (h == NULL || SYMBOL_CALLS_LOCAL (info, h)) | |
3752 | { | |
3753 | dynindx = elf_section_data (section->output_section)->dynindx; | |
3754 | addr = value + section->output_offset; | |
3755 | seg = sh_elf_osec_to_segment (output_bfd, section->output_section); | |
3756 | } | |
3757 | else | |
3758 | { | |
3759 | BFD_ASSERT (h->dynindx != -1); | |
3760 | dynindx = h->dynindx; | |
3761 | addr = seg = 0; | |
3762 | } | |
3763 | ||
0e1862bb | 3764 | if (!bfd_link_pic (info) && SYMBOL_CALLS_LOCAL (info, h)) |
8e45593f NC |
3765 | { |
3766 | if (h == NULL || h->root.type != bfd_link_hash_undefweak) | |
3767 | { | |
3768 | sh_elf_add_rofixup (output_bfd, htab->srofixup, | |
3769 | offset | |
3770 | + htab->sfuncdesc->output_section->vma | |
3771 | + htab->sfuncdesc->output_offset); | |
3772 | sh_elf_add_rofixup (output_bfd, htab->srofixup, | |
3773 | offset + 4 | |
3774 | + htab->sfuncdesc->output_section->vma | |
3775 | + htab->sfuncdesc->output_offset); | |
3776 | } | |
3777 | ||
3778 | /* There are no dynamic relocations so fill in the final | |
3779 | address and gp value (barring fixups). */ | |
3780 | addr += section->output_section->vma; | |
3781 | seg = htab->root.hgot->root.u.def.value | |
3782 | + htab->root.hgot->root.u.def.section->output_section->vma | |
3783 | + htab->root.hgot->root.u.def.section->output_offset; | |
3784 | } | |
3785 | else | |
3786 | sh_elf_add_dyn_reloc (output_bfd, htab->srelfuncdesc, | |
3787 | offset | |
3788 | + htab->sfuncdesc->output_section->vma | |
3789 | + htab->sfuncdesc->output_offset, | |
3790 | R_SH_FUNCDESC_VALUE, dynindx, 0); | |
3791 | ||
3792 | bfd_put_32 (output_bfd, addr, htab->sfuncdesc->contents + offset); | |
3793 | bfd_put_32 (output_bfd, seg, htab->sfuncdesc->contents + offset + 4); | |
3794 | ||
3795 | return TRUE; | |
3796 | } | |
3797 | ||
3798 | /* Install a 20-bit movi20 field starting at ADDR, which occurs in OUTPUT_BFD. | |
3799 | VALUE is the field's value. Return bfd_reloc_ok if successful or an error | |
3800 | otherwise. */ | |
3801 | ||
3802 | static bfd_reloc_status_type | |
3803 | install_movi20_field (bfd *output_bfd, unsigned long relocation, | |
3804 | bfd *input_bfd, asection *input_section, | |
3805 | bfd_byte *contents, bfd_vma offset) | |
3806 | { | |
3807 | unsigned long cur_val; | |
3808 | bfd_byte *addr; | |
3809 | bfd_reloc_status_type r; | |
3810 | ||
3811 | if (offset > bfd_get_section_limit (input_bfd, input_section)) | |
3812 | return bfd_reloc_outofrange; | |
3813 | ||
3814 | r = bfd_check_overflow (complain_overflow_signed, 20, 0, | |
3815 | bfd_arch_bits_per_address (input_bfd), relocation); | |
3816 | if (r != bfd_reloc_ok) | |
3817 | return r; | |
3818 | ||
3819 | addr = contents + offset; | |
3820 | cur_val = bfd_get_16 (output_bfd, addr); | |
3821 | bfd_put_16 (output_bfd, cur_val | ((relocation & 0xf0000) >> 12), addr); | |
3822 | bfd_put_16 (output_bfd, relocation & 0xffff, addr + 2); | |
3823 | ||
3824 | return bfd_reloc_ok; | |
3825 | } | |
3826 | ||
3827 | /* Relocate an SH ELF section. */ | |
3828 | ||
3829 | static bfd_boolean | |
3830 | sh_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info, | |
3831 | bfd *input_bfd, asection *input_section, | |
3832 | bfd_byte *contents, Elf_Internal_Rela *relocs, | |
3833 | Elf_Internal_Sym *local_syms, | |
3834 | asection **local_sections) | |
3835 | { | |
3836 | struct elf_sh_link_hash_table *htab; | |
3837 | Elf_Internal_Shdr *symtab_hdr; | |
3838 | struct elf_link_hash_entry **sym_hashes; | |
3839 | Elf_Internal_Rela *rel, *relend; | |
e0af1f53 | 3840 | bfd *dynobj = NULL; |
8e45593f | 3841 | bfd_vma *local_got_offsets; |
e0af1f53 MR |
3842 | asection *sgot = NULL; |
3843 | asection *sgotplt = NULL; | |
3844 | asection *splt = NULL; | |
3845 | asection *sreloc = NULL; | |
3846 | asection *srelgot = NULL; | |
8e45593f NC |
3847 | bfd_boolean is_vxworks_tls; |
3848 | unsigned isec_segment, got_segment, plt_segment, check_segment[2]; | |
e0af1f53 | 3849 | bfd_boolean fdpic_p = FALSE; |
8e45593f NC |
3850 | |
3851 | BFD_ASSERT (is_sh_elf (input_bfd)); | |
3852 | ||
3853 | htab = sh_elf_hash_table (info); | |
e0af1f53 MR |
3854 | if (htab != NULL) |
3855 | { | |
3856 | dynobj = htab->root.dynobj; | |
3857 | sgot = htab->sgot; | |
3858 | sgotplt = htab->sgotplt; | |
3859 | splt = htab->splt; | |
3860 | fdpic_p = htab->fdpic_p; | |
3861 | } | |
8e45593f NC |
3862 | symtab_hdr = &elf_symtab_hdr (input_bfd); |
3863 | sym_hashes = elf_sym_hashes (input_bfd); | |
8e45593f NC |
3864 | local_got_offsets = elf_local_got_offsets (input_bfd); |
3865 | ||
3866 | isec_segment = sh_elf_osec_to_segment (output_bfd, | |
3867 | input_section->output_section); | |
e0af1f53 | 3868 | if (fdpic_p && sgot) |
8e45593f | 3869 | got_segment = sh_elf_osec_to_segment (output_bfd, |
e0af1f53 | 3870 | sgot->output_section); |
8e45593f NC |
3871 | else |
3872 | got_segment = -1; | |
e0af1f53 | 3873 | if (fdpic_p && splt) |
8e45593f | 3874 | plt_segment = sh_elf_osec_to_segment (output_bfd, |
e0af1f53 | 3875 | splt->output_section); |
8e45593f NC |
3876 | else |
3877 | plt_segment = -1; | |
3878 | ||
8e45593f NC |
3879 | /* We have to handle relocations in vxworks .tls_vars sections |
3880 | specially, because the dynamic loader is 'weird'. */ | |
0e1862bb | 3881 | is_vxworks_tls = (htab && htab->vxworks_p && bfd_link_pic (info) |
8e45593f NC |
3882 | && !strcmp (input_section->output_section->name, |
3883 | ".tls_vars")); | |
3884 | ||
3885 | rel = relocs; | |
3886 | relend = relocs + input_section->reloc_count; | |
3887 | for (; rel < relend; rel++) | |
3888 | { | |
3889 | int r_type; | |
3890 | reloc_howto_type *howto; | |
3891 | unsigned long r_symndx; | |
3892 | Elf_Internal_Sym *sym; | |
3893 | asection *sec; | |
3894 | struct elf_link_hash_entry *h; | |
3895 | bfd_vma relocation; | |
3896 | bfd_vma addend = (bfd_vma) 0; | |
3897 | bfd_reloc_status_type r; | |
3898 | int seen_stt_datalabel = 0; | |
3899 | bfd_vma off; | |
85e02784 | 3900 | enum got_type got_type; |
8e45593f NC |
3901 | const char *symname = NULL; |
3902 | ||
3903 | r_symndx = ELF32_R_SYM (rel->r_info); | |
37c644f2 | 3904 | |
37c644f2 AO |
3905 | r_type = ELF32_R_TYPE (rel->r_info); |
3906 | ||
3907 | /* Many of the relocs are only used for relaxing, and are | |
067653c5 | 3908 | handled entirely by the relaxation code. */ |
d38eb334 DD |
3909 | if (r_type >= (int) R_SH_GNU_VTINHERIT |
3910 | && r_type <= (int) R_SH_LABEL) | |
37c644f2 | 3911 | continue; |
c5aeb40f AO |
3912 | if (r_type == (int) R_SH_NONE) |
3913 | continue; | |
37c644f2 AO |
3914 | |
3915 | if (r_type < 0 | |
3916 | || r_type >= R_SH_max | |
3917 | || (r_type >= (int) R_SH_FIRST_INVALID_RELOC | |
06bb75c1 | 3918 | && r_type <= (int) R_SH_LAST_INVALID_RELOC) |
8e45593f NC |
3919 | || (r_type >= (int) R_SH_FIRST_INVALID_RELOC_2 |
3920 | && r_type <= (int) R_SH_LAST_INVALID_RELOC_2) | |
fbca6ad9 AO |
3921 | || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_3 |
3922 | && r_type <= (int) R_SH_LAST_INVALID_RELOC_3) | |
3923 | || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_4 | |
3924 | && r_type <= (int) R_SH_LAST_INVALID_RELOC_4) | |
3376eaf5 KK |
3925 | || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_5 |
3926 | && r_type <= (int) R_SH_LAST_INVALID_RELOC_5) | |
8e45593f NC |
3927 | || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_6 |
3928 | && r_type <= (int) R_SH_LAST_INVALID_RELOC_6)) | |
37c644f2 AO |
3929 | { |
3930 | bfd_set_error (bfd_error_bad_value); | |
b34976b6 | 3931 | return FALSE; |
37c644f2 AO |
3932 | } |
3933 | ||
55e6e397 | 3934 | howto = get_howto_table (output_bfd) + r_type; |
37c644f2 | 3935 | |
146be91a | 3936 | /* For relocs that aren't partial_inplace, we get the addend from |
067653c5 | 3937 | the relocation. */ |
146be91a HPN |
3938 | if (! howto->partial_inplace) |
3939 | addend = rel->r_addend; | |
3940 | ||
37c644f2 AO |
3941 | h = NULL; |
3942 | sym = NULL; | |
3943 | sec = NULL; | |
8e45593f NC |
3944 | check_segment[0] = -1; |
3945 | check_segment[1] = -1; | |
37c644f2 AO |
3946 | if (r_symndx < symtab_hdr->sh_info) |
3947 | { | |
3948 | sym = local_syms + r_symndx; | |
3949 | sec = local_sections[r_symndx]; | |
8e45593f NC |
3950 | |
3951 | symname = bfd_elf_string_from_elf_section | |
3952 | (input_bfd, symtab_hdr->sh_link, sym->st_name); | |
3953 | if (symname == NULL || *symname == '\0') | |
3954 | symname = bfd_section_name (input_bfd, sec); | |
3955 | ||
37c644f2 AO |
3956 | relocation = (sec->output_section->vma |
3957 | + sec->output_offset | |
3958 | + sym->st_value); | |
fbca6ad9 AO |
3959 | /* A local symbol never has STO_SH5_ISA32, so we don't need |
3960 | datalabel processing here. Make sure this does not change | |
3961 | without notice. */ | |
3962 | if ((sym->st_other & STO_SH5_ISA32) != 0) | |
1a72702b AM |
3963 | (*info->callbacks->reloc_dangerous) |
3964 | (info, | |
3965 | _("Unexpected STO_SH5_ISA32 on local symbol is not handled"), | |
3966 | input_bfd, input_section, rel->r_offset); | |
ab96bf03 | 3967 | |
dbaa2011 | 3968 | if (sec != NULL && discarded_section (sec)) |
ab96bf03 AM |
3969 | /* Handled below. */ |
3970 | ; | |
0e1862bb | 3971 | else if (bfd_link_relocatable (info)) |
8a3975e6 | 3972 | { |
1049f94e | 3973 | /* This is a relocatable link. We don't have to change |
8a3975e6 AO |
3974 | anything, unless the reloc is against a section symbol, |
3975 | in which case we have to adjust according to where the | |
3976 | section symbol winds up in the output section. */ | |
8a3975e6 | 3977 | if (ELF_ST_TYPE (sym->st_info) == STT_SECTION) |
146be91a HPN |
3978 | { |
3979 | if (! howto->partial_inplace) | |
3980 | { | |
3981 | /* For relocations with the addend in the | |
3982 | relocation, we need just to update the addend. | |
3983 | All real relocs are of type partial_inplace; this | |
3984 | code is mostly for completeness. */ | |
ab96bf03 | 3985 | rel->r_addend += sec->output_offset; |
146be91a HPN |
3986 | |
3987 | continue; | |
3988 | } | |
3989 | ||
3990 | /* Relocs of type partial_inplace need to pick up the | |
3991 | contents in the contents and add the offset resulting | |
3992 | from the changed location of the section symbol. | |
3993 | Using _bfd_final_link_relocate (e.g. goto | |
3994 | final_link_relocate) here would be wrong, because | |
3995 | relocations marked pc_relative would get the current | |
3996 | location subtracted, and we must only do that at the | |
3997 | final link. */ | |
3998 | r = _bfd_relocate_contents (howto, input_bfd, | |
3999 | sec->output_offset | |
4000 | + sym->st_value, | |
4001 | contents + rel->r_offset); | |
4002 | goto relocation_done; | |
4003 | } | |
8a3975e6 AO |
4004 | |
4005 | continue; | |
4006 | } | |
f8df10f4 JJ |
4007 | else if (! howto->partial_inplace) |
4008 | { | |
8517fae7 | 4009 | relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel); |
f8df10f4 JJ |
4010 | addend = rel->r_addend; |
4011 | } | |
4012 | else if ((sec->flags & SEC_MERGE) | |
4013 | && ELF_ST_TYPE (sym->st_info) == STT_SECTION) | |
4014 | { | |
4015 | asection *msec; | |
4016 | ||
4017 | if (howto->rightshift || howto->src_mask != 0xffffffff) | |
4018 | { | |
4eca0228 | 4019 | _bfd_error_handler |
695344c0 | 4020 | /* xgettext:c-format */ |
d003868e AM |
4021 | (_("%B(%A+0x%lx): %s relocation against SEC_MERGE section"), |
4022 | input_bfd, input_section, | |
f8df10f4 | 4023 | (long) rel->r_offset, howto->name); |
b34976b6 | 4024 | return FALSE; |
f8df10f4 JJ |
4025 | } |
4026 | ||
067653c5 AM |
4027 | addend = bfd_get_32 (input_bfd, contents + rel->r_offset); |
4028 | msec = sec; | |
4029 | addend = | |
c629eae0 | 4030 | _bfd_elf_rel_local_sym (output_bfd, sym, &msec, addend) |
f8df10f4 JJ |
4031 | - relocation; |
4032 | addend += msec->output_section->vma + msec->output_offset; | |
4033 | bfd_put_32 (input_bfd, addend, contents + rel->r_offset); | |
4034 | addend = 0; | |
4035 | } | |
37c644f2 AO |
4036 | } |
4037 | else | |
4038 | { | |
560e09e9 NC |
4039 | /* FIXME: Ought to make use of the RELOC_FOR_GLOBAL_SYMBOL macro. */ |
4040 | ||
ab96bf03 | 4041 | relocation = 0; |
37c644f2 | 4042 | h = sym_hashes[r_symndx - symtab_hdr->sh_info]; |
8e45593f | 4043 | symname = h->root.root.string; |
37c644f2 AO |
4044 | while (h->root.type == bfd_link_hash_indirect |
4045 | || h->root.type == bfd_link_hash_warning) | |
fbca6ad9 AO |
4046 | { |
4047 | #ifdef INCLUDE_SHMEDIA | |
4048 | /* If the reference passes a symbol marked with | |
4049 | STT_DATALABEL, then any STO_SH5_ISA32 on the final value | |
4050 | doesn't count. */ | |
4051 | seen_stt_datalabel |= h->type == STT_DATALABEL; | |
4052 | #endif | |
4053 | h = (struct elf_link_hash_entry *) h->root.u.i.link; | |
4054 | } | |
37c644f2 AO |
4055 | if (h->root.type == bfd_link_hash_defined |
4056 | || h->root.type == bfd_link_hash_defweak) | |
4057 | { | |
b34976b6 | 4058 | bfd_boolean dyn; |
067653c5 | 4059 | |
e0af1f53 | 4060 | dyn = htab ? htab->root.dynamic_sections_created : FALSE; |
37c644f2 AO |
4061 | sec = h->root.u.def.section; |
4062 | /* In these cases, we don't need the relocation value. | |
4063 | We check specially because in some obscure cases | |
435b1e90 | 4064 | sec->output_section will be NULL. */ |
37c644f2 | 4065 | if (r_type == R_SH_GOTPC |
fbca6ad9 AO |
4066 | || r_type == R_SH_GOTPC_LOW16 |
4067 | || r_type == R_SH_GOTPC_MEDLOW16 | |
4068 | || r_type == R_SH_GOTPC_MEDHI16 | |
4069 | || r_type == R_SH_GOTPC_HI16 | |
4070 | || ((r_type == R_SH_PLT32 | |
4071 | || r_type == R_SH_PLT_LOW16 | |
4072 | || r_type == R_SH_PLT_MEDLOW16 | |
4073 | || r_type == R_SH_PLT_MEDHI16 | |
4074 | || r_type == R_SH_PLT_HI16) | |
37c644f2 | 4075 | && h->plt.offset != (bfd_vma) -1) |
fbca6ad9 | 4076 | || ((r_type == R_SH_GOT32 |
8e45593f NC |
4077 | || r_type == R_SH_GOT20 |
4078 | || r_type == R_SH_GOTFUNCDESC | |
4079 | || r_type == R_SH_GOTFUNCDESC20 | |
4080 | || r_type == R_SH_GOTOFFFUNCDESC | |
4081 | || r_type == R_SH_GOTOFFFUNCDESC20 | |
4082 | || r_type == R_SH_FUNCDESC | |
fbca6ad9 AO |
4083 | || r_type == R_SH_GOT_LOW16 |
4084 | || r_type == R_SH_GOT_MEDLOW16 | |
4085 | || r_type == R_SH_GOT_MEDHI16 | |
4086 | || r_type == R_SH_GOT_HI16) | |
0e1862bb L |
4087 | && WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, |
4088 | bfd_link_pic (info), | |
4089 | h) | |
4090 | && (! bfd_link_pic (info) | |
37c644f2 | 4091 | || (! info->symbolic && h->dynindx != -1) |
f5385ebf | 4092 | || !h->def_regular)) |
37c644f2 AO |
4093 | /* The cases above are those in which relocation is |
4094 | overwritten in the switch block below. The cases | |
4095 | below are those in which we must defer relocation | |
4096 | to run-time, because we can't resolve absolute | |
4097 | addresses when creating a shared library. */ | |
0e1862bb | 4098 | || (bfd_link_pic (info) |
37c644f2 | 4099 | && ((! info->symbolic && h->dynindx != -1) |
f5385ebf | 4100 | || !h->def_regular) |
37c644f2 | 4101 | && ((r_type == R_SH_DIR32 |
f5385ebf | 4102 | && !h->forced_local) |
f50ad433 KK |
4103 | || (r_type == R_SH_REL32 |
4104 | && !SYMBOL_CALLS_LOCAL (info, h))) | |
37c644f2 AO |
4105 | && ((input_section->flags & SEC_ALLOC) != 0 |
4106 | /* DWARF will emit R_SH_DIR32 relocations in its | |
4107 | sections against symbols defined externally | |
4108 | in shared libraries. We can't do anything | |
4109 | with them here. */ | |
067653c5 | 4110 | || ((input_section->flags & SEC_DEBUGGING) != 0 |
f5385ebf | 4111 | && h->def_dynamic))) |
1448fa32 KK |
4112 | /* Dynamic relocs are not propagated for SEC_DEBUGGING |
4113 | sections because such sections are not SEC_ALLOC and | |
4114 | thus ld.so will not process them. */ | |
4115 | || (sec->output_section == NULL | |
4116 | && ((input_section->flags & SEC_DEBUGGING) != 0 | |
f5385ebf | 4117 | && h->def_dynamic)) |
3376eaf5 | 4118 | || (sec->output_section == NULL |
8e45593f NC |
4119 | && (sh_elf_hash_entry (h)->got_type == GOT_TLS_IE |
4120 | || sh_elf_hash_entry (h)->got_type == GOT_TLS_GD))) | |
ab96bf03 AM |
4121 | ; |
4122 | else if (sec->output_section != NULL) | |
4123 | relocation = ((h->root.u.def.value | |
4124 | + sec->output_section->vma | |
4125 | + sec->output_offset) | |
4126 | /* A STO_SH5_ISA32 causes a "bitor 1" to the | |
4127 | symbol value, unless we've seen | |
4128 | STT_DATALABEL on the way to it. */ | |
4129 | | ((h->other & STO_SH5_ISA32) != 0 | |
4130 | && ! seen_stt_datalabel)); | |
0e1862bb | 4131 | else if (!bfd_link_relocatable (info) |
1d5316ab AM |
4132 | && (_bfd_elf_section_offset (output_bfd, info, |
4133 | input_section, | |
4134 | rel->r_offset) | |
4135 | != (bfd_vma) -1)) | |
37c644f2 | 4136 | { |
4eca0228 | 4137 | _bfd_error_handler |
695344c0 | 4138 | /* xgettext:c-format */ |
843fe662 L |
4139 | (_("%B(%A+0x%lx): unresolvable %s relocation against symbol `%s'"), |
4140 | input_bfd, | |
4141 | input_section, | |
4142 | (long) rel->r_offset, | |
4143 | howto->name, | |
4144 | h->root.root.string); | |
b34976b6 | 4145 | return FALSE; |
37c644f2 | 4146 | } |
37c644f2 AO |
4147 | } |
4148 | else if (h->root.type == bfd_link_hash_undefweak) | |
ab96bf03 | 4149 | ; |
59c2e50f | 4150 | else if (info->unresolved_syms_in_objects == RM_IGNORE |
067653c5 | 4151 | && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT) |
ab96bf03 | 4152 | ; |
0e1862bb | 4153 | else if (!bfd_link_relocatable (info)) |
1a72702b AM |
4154 | (*info->callbacks->undefined_symbol) |
4155 | (info, h->root.root.string, input_bfd, | |
4156 | input_section, rel->r_offset, | |
4157 | (info->unresolved_syms_in_objects == RM_GENERATE_ERROR | |
4158 | || ELF_ST_VISIBILITY (h->other))); | |
37c644f2 AO |
4159 | } |
4160 | ||
dbaa2011 | 4161 | if (sec != NULL && discarded_section (sec)) |
e4067dbb | 4162 | RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section, |
545fd46b | 4163 | rel, 1, relend, howto, 0, contents); |
ab96bf03 | 4164 | |
0e1862bb | 4165 | if (bfd_link_relocatable (info)) |
ab96bf03 AM |
4166 | continue; |
4167 | ||
8e45593f NC |
4168 | /* Check for inter-segment relocations in FDPIC files. Most |
4169 | relocations connect the relocation site to the location of | |
4170 | the target symbol, but there are some exceptions below. */ | |
4171 | check_segment[0] = isec_segment; | |
4172 | if (sec != NULL) | |
4173 | check_segment[1] = sh_elf_osec_to_segment (output_bfd, | |
4174 | sec->output_section); | |
4175 | else | |
4176 | check_segment[1] = -1; | |
4177 | ||
435b1e90 | 4178 | switch ((int) r_type) |
37c644f2 AO |
4179 | { |
4180 | final_link_relocate: | |
4181 | /* COFF relocs don't use the addend. The addend is used for | |
435b1e90 | 4182 | R_SH_DIR32 to be compatible with other compilers. */ |
37c644f2 AO |
4183 | r = _bfd_final_link_relocate (howto, input_bfd, input_section, |
4184 | contents, rel->r_offset, | |
4185 | relocation, addend); | |
4186 | break; | |
4187 | ||
4188 | case R_SH_IND12W: | |
cd6ec716 DD |
4189 | goto final_link_relocate; |
4190 | ||
37c644f2 AO |
4191 | case R_SH_DIR8WPN: |
4192 | case R_SH_DIR8WPZ: | |
4193 | case R_SH_DIR8WPL: | |
cd6ec716 DD |
4194 | /* If the reloc is against the start of this section, then |
4195 | the assembler has already taken care of it and the reloc | |
4196 | is here only to assist in relaxing. If the reloc is not | |
4197 | against the start of this section, then it's against an | |
4198 | external symbol and we must deal with it ourselves. */ | |
4199 | if (input_section->output_section->vma + input_section->output_offset | |
4200 | != relocation) | |
4201 | { | |
4202 | int disp = (relocation | |
4203 | - input_section->output_section->vma | |
4204 | - input_section->output_offset | |
4205 | - rel->r_offset); | |
4206 | int mask = 0; | |
4207 | switch (r_type) | |
4208 | { | |
4209 | case R_SH_DIR8WPN: | |
4210 | case R_SH_DIR8WPZ: mask = 1; break; | |
4211 | case R_SH_DIR8WPL: mask = 3; break; | |
4212 | default: mask = 0; break; | |
4213 | } | |
4214 | if (disp & mask) | |
4215 | { | |
4eca0228 | 4216 | _bfd_error_handler |
695344c0 | 4217 | /* xgettext:c-format */ |
4eca0228 AM |
4218 | (_("%B: 0x%lx: fatal: unaligned branch target for relax-support relocation"), |
4219 | input_section->owner, | |
4220 | (unsigned long) rel->r_offset); | |
cd6ec716 | 4221 | bfd_set_error (bfd_error_bad_value); |
b34976b6 | 4222 | return FALSE; |
cd6ec716 DD |
4223 | } |
4224 | relocation -= 4; | |
4225 | goto final_link_relocate; | |
4226 | } | |
4227 | r = bfd_reloc_ok; | |
4228 | break; | |
37c644f2 AO |
4229 | |
4230 | default: | |
fbca6ad9 AO |
4231 | #ifdef INCLUDE_SHMEDIA |
4232 | if (shmedia_prepare_reloc (info, input_bfd, input_section, | |
4233 | contents, rel, &relocation)) | |
4234 | goto final_link_relocate; | |
4235 | #endif | |
37c644f2 | 4236 | bfd_set_error (bfd_error_bad_value); |
b34976b6 | 4237 | return FALSE; |
37c644f2 | 4238 | |
d38eb334 DD |
4239 | case R_SH_DIR16: |
4240 | case R_SH_DIR8: | |
4241 | case R_SH_DIR8U: | |
4242 | case R_SH_DIR8S: | |
4243 | case R_SH_DIR4U: | |
4244 | goto final_link_relocate; | |
4245 | ||
4246 | case R_SH_DIR8UL: | |
4247 | case R_SH_DIR4UL: | |
4248 | if (relocation & 3) | |
4249 | { | |
4eca0228 | 4250 | _bfd_error_handler |
695344c0 | 4251 | /* xgettext:c-format */ |
4eca0228 AM |
4252 | (_("%B: 0x%lx: fatal: unaligned %s relocation 0x%lx"), |
4253 | input_section->owner, | |
4254 | (unsigned long) rel->r_offset, howto->name, | |
4255 | (unsigned long) relocation); | |
d38eb334 DD |
4256 | bfd_set_error (bfd_error_bad_value); |
4257 | return FALSE; | |
4258 | } | |
4259 | goto final_link_relocate; | |
4260 | ||
4261 | case R_SH_DIR8UW: | |
4262 | case R_SH_DIR8SW: | |
4263 | case R_SH_DIR4UW: | |
4264 | if (relocation & 1) | |
4265 | { | |
4eca0228 | 4266 | _bfd_error_handler |
695344c0 | 4267 | /* xgettext:c-format */ |
4eca0228 AM |
4268 | (_("%B: 0x%lx: fatal: unaligned %s relocation 0x%lx"), |
4269 | input_section->owner, | |
4270 | (unsigned long) rel->r_offset, howto->name, | |
4271 | (unsigned long) relocation); | |
d38eb334 DD |
4272 | bfd_set_error (bfd_error_bad_value); |
4273 | return FALSE; | |
4274 | } | |
4275 | goto final_link_relocate; | |
4276 | ||
4277 | case R_SH_PSHA: | |
4278 | if ((signed int)relocation < -32 | |
4279 | || (signed int)relocation > 32) | |
4280 | { | |
4eca0228 | 4281 | _bfd_error_handler |
695344c0 | 4282 | /* xgettext:c-format */ |
4eca0228 AM |
4283 | (_("%B: 0x%lx: fatal: R_SH_PSHA relocation %d not in range -32..32"), |
4284 | input_section->owner, | |
4285 | (unsigned long) rel->r_offset, | |
4286 | (unsigned long) relocation); | |
d38eb334 DD |
4287 | bfd_set_error (bfd_error_bad_value); |
4288 | return FALSE; | |
4289 | } | |
4290 | goto final_link_relocate; | |
4291 | ||
4292 | case R_SH_PSHL: | |
4293 | if ((signed int)relocation < -16 | |
4294 | || (signed int)relocation > 16) | |
4295 | { | |
4eca0228 | 4296 | _bfd_error_handler |
695344c0 | 4297 | /* xgettext:c-format */ |
4eca0228 AM |
4298 | (_("%B: 0x%lx: fatal: R_SH_PSHL relocation %d not in range -32..32"), |
4299 | input_section->owner, | |
4300 | (unsigned long) rel->r_offset, | |
4301 | (unsigned long) relocation); | |
d38eb334 DD |
4302 | bfd_set_error (bfd_error_bad_value); |
4303 | return FALSE; | |
4304 | } | |
4305 | goto final_link_relocate; | |
4306 | ||
37c644f2 AO |
4307 | case R_SH_DIR32: |
4308 | case R_SH_REL32: | |
46e993b9 KK |
4309 | #ifdef INCLUDE_SHMEDIA |
4310 | case R_SH_IMM_LOW16_PCREL: | |
4311 | case R_SH_IMM_MEDLOW16_PCREL: | |
4312 | case R_SH_IMM_MEDHI16_PCREL: | |
4313 | case R_SH_IMM_HI16_PCREL: | |
4314 | #endif | |
0e1862bb | 4315 | if (bfd_link_pic (info) |
04e534c3 KK |
4316 | && (h == NULL |
4317 | || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT | |
4318 | || h->root.type != bfd_link_hash_undefweak) | |
cf35638d | 4319 | && r_symndx != STN_UNDEF |
37c644f2 | 4320 | && (input_section->flags & SEC_ALLOC) != 0 |
3348747a | 4321 | && !is_vxworks_tls |
46e993b9 | 4322 | && (r_type == R_SH_DIR32 |
3d85aebe | 4323 | || !SYMBOL_CALLS_LOCAL (info, h))) |
37c644f2 AO |
4324 | { |
4325 | Elf_Internal_Rela outrel; | |
947216bf | 4326 | bfd_byte *loc; |
b34976b6 | 4327 | bfd_boolean skip, relocate; |
37c644f2 AO |
4328 | |
4329 | /* When generating a shared object, these relocations | |
4330 | are copied into the output file to be resolved at run | |
4331 | time. */ | |
4332 | ||
4333 | if (sreloc == NULL) | |
4334 | { | |
83bac4b0 NC |
4335 | sreloc = _bfd_elf_get_dynamic_reloc_section |
4336 | (input_bfd, input_section, /*rela?*/ TRUE); | |
4337 | if (sreloc == NULL) | |
b34976b6 | 4338 | return FALSE; |
37c644f2 AO |
4339 | } |
4340 | ||
b34976b6 AM |
4341 | skip = FALSE; |
4342 | relocate = FALSE; | |
37c644f2 | 4343 | |
c629eae0 JJ |
4344 | outrel.r_offset = |
4345 | _bfd_elf_section_offset (output_bfd, info, input_section, | |
4346 | rel->r_offset); | |
4347 | if (outrel.r_offset == (bfd_vma) -1) | |
b34976b6 | 4348 | skip = TRUE; |
0bb2d96a | 4349 | else if (outrel.r_offset == (bfd_vma) -2) |
b34976b6 | 4350 | skip = TRUE, relocate = TRUE; |
37c644f2 AO |
4351 | outrel.r_offset += (input_section->output_section->vma |
4352 | + input_section->output_offset); | |
4353 | ||
4354 | if (skip) | |
0bb2d96a | 4355 | memset (&outrel, 0, sizeof outrel); |
37c644f2 AO |
4356 | else if (r_type == R_SH_REL32) |
4357 | { | |
4358 | BFD_ASSERT (h != NULL && h->dynindx != -1); | |
37c644f2 | 4359 | outrel.r_info = ELF32_R_INFO (h->dynindx, R_SH_REL32); |
146be91a | 4360 | outrel.r_addend |
55e6e397 RS |
4361 | = (howto->partial_inplace |
4362 | ? bfd_get_32 (input_bfd, contents + rel->r_offset) | |
4363 | : addend); | |
37c644f2 | 4364 | } |
46e993b9 KK |
4365 | #ifdef INCLUDE_SHMEDIA |
4366 | else if (r_type == R_SH_IMM_LOW16_PCREL | |
4367 | || r_type == R_SH_IMM_MEDLOW16_PCREL | |
4368 | || r_type == R_SH_IMM_MEDHI16_PCREL | |
4369 | || r_type == R_SH_IMM_HI16_PCREL) | |
4370 | { | |
4371 | BFD_ASSERT (h != NULL && h->dynindx != -1); | |
4372 | outrel.r_info = ELF32_R_INFO (h->dynindx, r_type); | |
4373 | outrel.r_addend = addend; | |
4374 | } | |
4375 | #endif | |
e0af1f53 | 4376 | else if (fdpic_p |
8e45593f NC |
4377 | && (h == NULL |
4378 | || ((info->symbolic || h->dynindx == -1) | |
4379 | && h->def_regular))) | |
4380 | { | |
4381 | int dynindx; | |
4382 | ||
4383 | BFD_ASSERT (sec != NULL); | |
4384 | BFD_ASSERT (sec->output_section != NULL); | |
4385 | dynindx = elf_section_data (sec->output_section)->dynindx; | |
4386 | outrel.r_info = ELF32_R_INFO (dynindx, R_SH_DIR32); | |
4387 | outrel.r_addend = relocation; | |
4388 | outrel.r_addend | |
4389 | += (howto->partial_inplace | |
4390 | ? bfd_get_32 (input_bfd, contents + rel->r_offset) | |
4391 | : addend); | |
4392 | outrel.r_addend -= sec->output_section->vma; | |
4393 | } | |
37c644f2 AO |
4394 | else |
4395 | { | |
4396 | /* h->dynindx may be -1 if this symbol was marked to | |
4397 | become local. */ | |
4398 | if (h == NULL | |
4399 | || ((info->symbolic || h->dynindx == -1) | |
f5385ebf | 4400 | && h->def_regular)) |
37c644f2 | 4401 | { |
55e6e397 | 4402 | relocate = howto->partial_inplace; |
37c644f2 | 4403 | outrel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE); |
37c644f2 AO |
4404 | } |
4405 | else | |
4406 | { | |
4407 | BFD_ASSERT (h->dynindx != -1); | |
37c644f2 | 4408 | outrel.r_info = ELF32_R_INFO (h->dynindx, R_SH_DIR32); |
37c644f2 | 4409 | } |
55e6e397 RS |
4410 | outrel.r_addend = relocation; |
4411 | outrel.r_addend | |
4412 | += (howto->partial_inplace | |
4413 | ? bfd_get_32 (input_bfd, contents + rel->r_offset) | |
4414 | : addend); | |
37c644f2 AO |
4415 | } |
4416 | ||
947216bf AM |
4417 | loc = sreloc->contents; |
4418 | loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela); | |
4419 | bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc); | |
37c644f2 | 4420 | |
8e45593f NC |
4421 | check_segment[0] = check_segment[1] = -1; |
4422 | ||
37c644f2 AO |
4423 | /* If this reloc is against an external symbol, we do |
4424 | not want to fiddle with the addend. Otherwise, we | |
4425 | need to include the symbol value so that it becomes | |
4426 | an addend for the dynamic reloc. */ | |
4427 | if (! relocate) | |
4428 | continue; | |
4429 | } | |
0e1862bb | 4430 | else if (fdpic_p && !bfd_link_pic (info) |
8e45593f NC |
4431 | && r_type == R_SH_DIR32 |
4432 | && (input_section->flags & SEC_ALLOC) != 0) | |
4433 | { | |
4434 | bfd_vma offset; | |
4435 | ||
e0af1f53 MR |
4436 | BFD_ASSERT (htab); |
4437 | ||
8e45593f NC |
4438 | if (sh_elf_osec_readonly_p (output_bfd, |
4439 | input_section->output_section)) | |
4440 | { | |
4eca0228 | 4441 | _bfd_error_handler |
695344c0 | 4442 | /* xgettext:c-format */ |
8e45593f NC |
4443 | (_("%B(%A+0x%lx): cannot emit fixup to `%s' in read-only section"), |
4444 | input_bfd, | |
4445 | input_section, | |
4446 | (long) rel->r_offset, | |
4447 | symname); | |
4448 | return FALSE; | |
4449 | } | |
4450 | ||
4451 | offset = _bfd_elf_section_offset (output_bfd, info, | |
4452 | input_section, rel->r_offset); | |
4453 | if (offset != (bfd_vma)-1) | |
4454 | sh_elf_add_rofixup (output_bfd, htab->srofixup, | |
4455 | input_section->output_section->vma | |
4456 | + input_section->output_offset | |
4457 | + rel->r_offset); | |
4458 | ||
4459 | check_segment[0] = check_segment[1] = -1; | |
4460 | } | |
a6f713fc KK |
4461 | /* We don't want warnings for non-NULL tests on undefined weak |
4462 | symbols. */ | |
4463 | else if (r_type == R_SH_REL32 | |
4464 | && h | |
1b786873 | 4465 | && h->root.type == bfd_link_hash_undefweak) |
a6f713fc | 4466 | check_segment[0] = check_segment[1] = -1; |
37c644f2 AO |
4467 | goto final_link_relocate; |
4468 | ||
fbca6ad9 AO |
4469 | case R_SH_GOTPLT32: |
4470 | #ifdef INCLUDE_SHMEDIA | |
4471 | case R_SH_GOTPLT_LOW16: | |
4472 | case R_SH_GOTPLT_MEDLOW16: | |
4473 | case R_SH_GOTPLT_MEDHI16: | |
4474 | case R_SH_GOTPLT_HI16: | |
4475 | case R_SH_GOTPLT10BY4: | |
4476 | case R_SH_GOTPLT10BY8: | |
4477 | #endif | |
4478 | /* Relocation is to the entry for this symbol in the | |
4479 | procedure linkage table. */ | |
4480 | ||
4481 | if (h == NULL | |
f5385ebf | 4482 | || h->forced_local |
0e1862bb | 4483 | || ! bfd_link_pic (info) |
fbca6ad9 AO |
4484 | || info->symbolic |
4485 | || h->dynindx == -1 | |
4486 | || h->plt.offset == (bfd_vma) -1 | |
4487 | || h->got.offset != (bfd_vma) -1) | |
4488 | goto force_got; | |
4489 | ||
4490 | /* Relocation is to the entry for this symbol in the global | |
4491 | offset table extension for the procedure linkage table. */ | |
fbca6ad9 | 4492 | |
e0af1f53 | 4493 | BFD_ASSERT (htab); |
067653c5 | 4494 | BFD_ASSERT (sgotplt != NULL); |
fbca6ad9 | 4495 | relocation = (sgotplt->output_offset |
55e6e397 RS |
4496 | + (get_plt_index (htab->plt_info, h->plt.offset) |
4497 | + 3) * 4); | |
fbca6ad9 AO |
4498 | |
4499 | #ifdef GOT_BIAS | |
4500 | relocation -= GOT_BIAS; | |
4501 | #endif | |
4502 | ||
4503 | goto final_link_relocate; | |
4504 | ||
4505 | force_got: | |
37c644f2 | 4506 | case R_SH_GOT32: |
8e45593f | 4507 | case R_SH_GOT20: |
fbca6ad9 AO |
4508 | #ifdef INCLUDE_SHMEDIA |
4509 | case R_SH_GOT_LOW16: | |
4510 | case R_SH_GOT_MEDLOW16: | |
4511 | case R_SH_GOT_MEDHI16: | |
4512 | case R_SH_GOT_HI16: | |
4513 | case R_SH_GOT10BY4: | |
4514 | case R_SH_GOT10BY8: | |
4515 | #endif | |
37c644f2 AO |
4516 | /* Relocation is to the entry for this symbol in the global |
4517 | offset table. */ | |
067653c5 | 4518 | |
e0af1f53 | 4519 | BFD_ASSERT (htab); |
067653c5 | 4520 | BFD_ASSERT (sgot != NULL); |
8e45593f | 4521 | check_segment[0] = check_segment[1] = -1; |
37c644f2 AO |
4522 | |
4523 | if (h != NULL) | |
4524 | { | |
b34976b6 | 4525 | bfd_boolean dyn; |
37c644f2 AO |
4526 | |
4527 | off = h->got.offset; | |
fbca6ad9 AO |
4528 | #ifdef INCLUDE_SHMEDIA |
4529 | if (seen_stt_datalabel) | |
4530 | { | |
4531 | struct elf_sh_link_hash_entry *hsh; | |
4532 | ||
4533 | hsh = (struct elf_sh_link_hash_entry *)h; | |
396a6083 | 4534 | off = hsh->datalabel_got.offset; |
fbca6ad9 AO |
4535 | } |
4536 | #endif | |
37c644f2 AO |
4537 | BFD_ASSERT (off != (bfd_vma) -1); |
4538 | ||
067653c5 | 4539 | dyn = htab->root.dynamic_sections_created; |
0e1862bb L |
4540 | if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, |
4541 | bfd_link_pic (info), | |
4542 | h) | |
4543 | || (bfd_link_pic (info) | |
3d85aebe | 4544 | && SYMBOL_REFERENCES_LOCAL (info, h)) |
04e534c3 KK |
4545 | || (ELF_ST_VISIBILITY (h->other) |
4546 | && h->root.type == bfd_link_hash_undefweak)) | |
37c644f2 AO |
4547 | { |
4548 | /* This is actually a static link, or it is a | |
4549 | -Bsymbolic link and the symbol is defined | |
4550 | locally, or the symbol was forced to be local | |
4551 | because of a version file. We must initialize | |
4552 | this entry in the global offset table. Since the | |
4553 | offset must always be a multiple of 4, we use the | |
4554 | least significant bit to record whether we have | |
4555 | initialized it already. | |
4556 | ||
4557 | When doing a dynamic link, we create a .rela.got | |
4558 | relocation entry to initialize the value. This | |
4559 | is done in the finish_dynamic_symbol routine. */ | |
4560 | if ((off & 1) != 0) | |
4561 | off &= ~1; | |
4562 | else | |
4563 | { | |
4564 | bfd_put_32 (output_bfd, relocation, | |
4565 | sgot->contents + off); | |
fbca6ad9 AO |
4566 | #ifdef INCLUDE_SHMEDIA |
4567 | if (seen_stt_datalabel) | |
4568 | { | |
4569 | struct elf_sh_link_hash_entry *hsh; | |
4570 | ||
4571 | hsh = (struct elf_sh_link_hash_entry *)h; | |
396a6083 | 4572 | hsh->datalabel_got.offset |= 1; |
fbca6ad9 AO |
4573 | } |
4574 | else | |
4575 | #endif | |
4576 | h->got.offset |= 1; | |
8e45593f NC |
4577 | |
4578 | /* If we initialize the GOT entry here with a valid | |
4579 | symbol address, also add a fixup. */ | |
0e1862bb | 4580 | if (fdpic_p && !bfd_link_pic (info) |
8e45593f NC |
4581 | && sh_elf_hash_entry (h)->got_type == GOT_NORMAL |
4582 | && (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT | |
4583 | || h->root.type != bfd_link_hash_undefweak)) | |
4584 | sh_elf_add_rofixup (output_bfd, htab->srofixup, | |
4585 | sgot->output_section->vma | |
4586 | + sgot->output_offset | |
4587 | + off); | |
37c644f2 AO |
4588 | } |
4589 | } | |
4590 | ||
8e45593f | 4591 | relocation = sh_elf_got_offset (htab) + off; |
37c644f2 AO |
4592 | } |
4593 | else | |
4594 | { | |
fbca6ad9 AO |
4595 | #ifdef INCLUDE_SHMEDIA |
4596 | if (rel->r_addend) | |
4597 | { | |
4598 | BFD_ASSERT (local_got_offsets != NULL | |
4599 | && (local_got_offsets[symtab_hdr->sh_info | |
4600 | + r_symndx] | |
4601 | != (bfd_vma) -1)); | |
4602 | ||
4603 | off = local_got_offsets[symtab_hdr->sh_info | |
4604 | + r_symndx]; | |
4605 | } | |
4606 | else | |
4607 | { | |
4608 | #endif | |
37c644f2 AO |
4609 | BFD_ASSERT (local_got_offsets != NULL |
4610 | && local_got_offsets[r_symndx] != (bfd_vma) -1); | |
4611 | ||
4612 | off = local_got_offsets[r_symndx]; | |
fbca6ad9 AO |
4613 | #ifdef INCLUDE_SHMEDIA |
4614 | } | |
4615 | #endif | |
37c644f2 AO |
4616 | |
4617 | /* The offset must always be a multiple of 4. We use | |
4618 | the least significant bit to record whether we have | |
4619 | already generated the necessary reloc. */ | |
4620 | if ((off & 1) != 0) | |
4621 | off &= ~1; | |
4622 | else | |
4623 | { | |
4624 | bfd_put_32 (output_bfd, relocation, sgot->contents + off); | |
4625 | ||
0e1862bb | 4626 | if (bfd_link_pic (info)) |
37c644f2 | 4627 | { |
37c644f2 | 4628 | Elf_Internal_Rela outrel; |
947216bf | 4629 | bfd_byte *loc; |
37c644f2 | 4630 | |
3376eaf5 KK |
4631 | if (srelgot == NULL) |
4632 | { | |
3d4d4302 AM |
4633 | srelgot = bfd_get_linker_section (dynobj, |
4634 | ".rela.got"); | |
3376eaf5 KK |
4635 | BFD_ASSERT (srelgot != NULL); |
4636 | } | |
37c644f2 AO |
4637 | |
4638 | outrel.r_offset = (sgot->output_section->vma | |
4639 | + sgot->output_offset | |
4640 | + off); | |
e0af1f53 | 4641 | if (fdpic_p) |
8e45593f NC |
4642 | { |
4643 | int dynindx | |
4644 | = elf_section_data (sec->output_section)->dynindx; | |
4645 | outrel.r_info = ELF32_R_INFO (dynindx, R_SH_DIR32); | |
4646 | outrel.r_addend = relocation; | |
4647 | outrel.r_addend -= sec->output_section->vma; | |
4648 | } | |
4649 | else | |
4650 | { | |
4651 | outrel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE); | |
4652 | outrel.r_addend = relocation; | |
4653 | } | |
947216bf AM |
4654 | loc = srelgot->contents; |
4655 | loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela); | |
4656 | bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc); | |
37c644f2 | 4657 | } |
e0af1f53 | 4658 | else if (fdpic_p |
8e45593f NC |
4659 | && (sh_elf_local_got_type (input_bfd) [r_symndx] |
4660 | == GOT_NORMAL)) | |
4661 | sh_elf_add_rofixup (output_bfd, htab->srofixup, | |
4662 | sgot->output_section->vma | |
4663 | + sgot->output_offset | |
4664 | + off); | |
37c644f2 | 4665 | |
fbca6ad9 AO |
4666 | #ifdef INCLUDE_SHMEDIA |
4667 | if (rel->r_addend) | |
4668 | local_got_offsets[symtab_hdr->sh_info + r_symndx] |= 1; | |
4669 | else | |
4670 | #endif | |
4671 | local_got_offsets[r_symndx] |= 1; | |
37c644f2 AO |
4672 | } |
4673 | ||
8e45593f | 4674 | relocation = sh_elf_got_offset (htab) + off; |
37c644f2 AO |
4675 | } |
4676 | ||
fbca6ad9 | 4677 | #ifdef GOT_BIAS |
067653c5 | 4678 | relocation -= GOT_BIAS; |
fbca6ad9 AO |
4679 | #endif |
4680 | ||
8e45593f NC |
4681 | if (r_type == R_SH_GOT20) |
4682 | { | |
4683 | r = install_movi20_field (output_bfd, relocation + addend, | |
4684 | input_bfd, input_section, contents, | |
4685 | rel->r_offset); | |
4686 | break; | |
4687 | } | |
4688 | else | |
4689 | goto final_link_relocate; | |
37c644f2 AO |
4690 | |
4691 | case R_SH_GOTOFF: | |
8e45593f | 4692 | case R_SH_GOTOFF20: |
fbca6ad9 AO |
4693 | #ifdef INCLUDE_SHMEDIA |
4694 | case R_SH_GOTOFF_LOW16: | |
4695 | case R_SH_GOTOFF_MEDLOW16: | |
4696 | case R_SH_GOTOFF_MEDHI16: | |
4697 | case R_SH_GOTOFF_HI16: | |
4698 | #endif | |
8e45593f NC |
4699 | /* GOTOFF relocations are relative to _GLOBAL_OFFSET_TABLE_, which |
4700 | we place at the start of the .got.plt section. This is the same | |
4701 | as the start of the output .got section, unless there are function | |
4702 | descriptors in front of it. */ | |
e0af1f53 | 4703 | BFD_ASSERT (htab); |
8e45593f NC |
4704 | BFD_ASSERT (sgotplt != NULL); |
4705 | check_segment[0] = got_segment; | |
4706 | relocation -= sgotplt->output_section->vma + sgotplt->output_offset | |
4707 | + htab->root.hgot->root.u.def.value; | |
37c644f2 | 4708 | |
fbca6ad9 AO |
4709 | #ifdef GOT_BIAS |
4710 | relocation -= GOT_BIAS; | |
4711 | #endif | |
4712 | ||
4713 | addend = rel->r_addend; | |
4714 | ||
8e45593f NC |
4715 | if (r_type == R_SH_GOTOFF20) |
4716 | { | |
4717 | r = install_movi20_field (output_bfd, relocation + addend, | |
4718 | input_bfd, input_section, contents, | |
4719 | rel->r_offset); | |
4720 | break; | |
4721 | } | |
4722 | else | |
4723 | goto final_link_relocate; | |
37c644f2 AO |
4724 | |
4725 | case R_SH_GOTPC: | |
fbca6ad9 AO |
4726 | #ifdef INCLUDE_SHMEDIA |
4727 | case R_SH_GOTPC_LOW16: | |
4728 | case R_SH_GOTPC_MEDLOW16: | |
4729 | case R_SH_GOTPC_MEDHI16: | |
4730 | case R_SH_GOTPC_HI16: | |
4731 | #endif | |
37c644f2 AO |
4732 | /* Use global offset table as symbol value. */ |
4733 | ||
8e45593f NC |
4734 | BFD_ASSERT (sgotplt != NULL); |
4735 | relocation = sgotplt->output_section->vma + sgotplt->output_offset; | |
37c644f2 | 4736 | |
fbca6ad9 AO |
4737 | #ifdef GOT_BIAS |
4738 | relocation += GOT_BIAS; | |
4739 | #endif | |
4740 | ||
4741 | addend = rel->r_addend; | |
4742 | ||
37c644f2 AO |
4743 | goto final_link_relocate; |
4744 | ||
4745 | case R_SH_PLT32: | |
fbca6ad9 AO |
4746 | #ifdef INCLUDE_SHMEDIA |
4747 | case R_SH_PLT_LOW16: | |
4748 | case R_SH_PLT_MEDLOW16: | |
4749 | case R_SH_PLT_MEDHI16: | |
4750 | case R_SH_PLT_HI16: | |
4751 | #endif | |
37c644f2 AO |
4752 | /* Relocation is to the entry for this symbol in the |
4753 | procedure linkage table. */ | |
4754 | ||
4755 | /* Resolve a PLT reloc against a local symbol directly, | |
4756 | without using the procedure linkage table. */ | |
4757 | if (h == NULL) | |
4758 | goto final_link_relocate; | |
4759 | ||
8e45593f NC |
4760 | /* We don't want to warn on calls to undefined weak symbols, |
4761 | as calls to them must be protected by non-NULL tests | |
4762 | anyway, and unprotected calls would invoke undefined | |
4763 | behavior. */ | |
4764 | if (h->root.type == bfd_link_hash_undefweak) | |
4765 | check_segment[0] = check_segment[1] = -1; | |
4766 | ||
f5385ebf | 4767 | if (h->forced_local) |
37c644f2 AO |
4768 | goto final_link_relocate; |
4769 | ||
4770 | if (h->plt.offset == (bfd_vma) -1) | |
4771 | { | |
4772 | /* We didn't make a PLT entry for this symbol. This | |
4773 | happens when statically linking PIC code, or when | |
4774 | using -Bsymbolic. */ | |
4775 | goto final_link_relocate; | |
4776 | } | |
4777 | ||
067653c5 | 4778 | BFD_ASSERT (splt != NULL); |
8e45593f | 4779 | check_segment[1] = plt_segment; |
37c644f2 AO |
4780 | relocation = (splt->output_section->vma |
4781 | + splt->output_offset | |
4782 | + h->plt.offset); | |
4783 | ||
fbca6ad9 AO |
4784 | #ifdef INCLUDE_SHMEDIA |
4785 | relocation++; | |
4786 | #endif | |
4787 | ||
4788 | addend = rel->r_addend; | |
4789 | ||
37c644f2 AO |
4790 | goto final_link_relocate; |
4791 | ||
8e45593f NC |
4792 | /* Relocation is to the canonical function descriptor for this |
4793 | symbol, possibly via the GOT. Initialize the GOT | |
4794 | entry and function descriptor if necessary. */ | |
4795 | case R_SH_GOTFUNCDESC: | |
4796 | case R_SH_GOTFUNCDESC20: | |
4797 | case R_SH_FUNCDESC: | |
4798 | { | |
4799 | int dynindx = -1; | |
4800 | asection *reloc_section; | |
4801 | bfd_vma reloc_offset; | |
4802 | int reloc_type = R_SH_FUNCDESC; | |
4803 | ||
e0af1f53 MR |
4804 | BFD_ASSERT (htab); |
4805 | ||
8e45593f NC |
4806 | check_segment[0] = check_segment[1] = -1; |
4807 | ||
4808 | /* FIXME: See what FRV does for global symbols in the | |
4809 | executable, with --export-dynamic. Do they need ld.so | |
4810 | to allocate official descriptors? See what this code | |
4811 | does. */ | |
4812 | ||
4813 | relocation = 0; | |
4814 | addend = 0; | |
4815 | ||
4816 | if (r_type == R_SH_FUNCDESC) | |
4817 | { | |
4818 | reloc_section = input_section; | |
4819 | reloc_offset = rel->r_offset; | |
4820 | } | |
4821 | else | |
4822 | { | |
e0af1f53 | 4823 | reloc_section = sgot; |
8e45593f NC |
4824 | |
4825 | if (h != NULL) | |
4826 | reloc_offset = h->got.offset; | |
4827 | else | |
4828 | { | |
4829 | BFD_ASSERT (local_got_offsets != NULL); | |
4830 | reloc_offset = local_got_offsets[r_symndx]; | |
4831 | } | |
4832 | BFD_ASSERT (reloc_offset != MINUS_ONE); | |
4833 | ||
4834 | if (reloc_offset & 1) | |
4835 | { | |
4836 | reloc_offset &= ~1; | |
4837 | goto funcdesc_done_got; | |
4838 | } | |
4839 | } | |
4840 | ||
4841 | if (h && h->root.type == bfd_link_hash_undefweak | |
4842 | && (SYMBOL_CALLS_LOCAL (info, h) | |
4843 | || !htab->root.dynamic_sections_created)) | |
4844 | /* Undefined weak symbol which will not be dynamically | |
4845 | resolved later; leave it at zero. */ | |
4846 | goto funcdesc_leave_zero; | |
4847 | else if (SYMBOL_CALLS_LOCAL (info, h) | |
4848 | && ! SYMBOL_FUNCDESC_LOCAL (info, h)) | |
4849 | { | |
4850 | /* If the symbol needs a non-local function descriptor | |
4851 | but binds locally (i.e., its visibility is | |
4852 | protected), emit a dynamic relocation decayed to | |
4853 | section+offset. This is an optimization; the dynamic | |
4854 | linker would resolve our function descriptor request | |
4855 | to our copy of the function anyway. */ | |
4856 | dynindx = elf_section_data (h->root.u.def.section | |
4857 | ->output_section)->dynindx; | |
4858 | relocation += h->root.u.def.section->output_offset | |
4859 | + h->root.u.def.value; | |
4860 | } | |
4861 | else if (! SYMBOL_FUNCDESC_LOCAL (info, h)) | |
4862 | { | |
4863 | /* If the symbol is dynamic and there will be dynamic | |
4864 | symbol resolution because we are or are linked with a | |
4865 | shared library, emit a FUNCDESC relocation such that | |
4866 | the dynamic linker will allocate the function | |
4867 | descriptor. */ | |
4868 | BFD_ASSERT (h->dynindx != -1); | |
4869 | dynindx = h->dynindx; | |
4870 | } | |
4871 | else | |
4872 | { | |
4873 | bfd_vma offset; | |
4874 | ||
4875 | /* Otherwise, we know we have a private function | |
4876 | descriptor, so reference it directly. */ | |
4877 | reloc_type = R_SH_DIR32; | |
4878 | dynindx = elf_section_data (htab->sfuncdesc | |
4879 | ->output_section)->dynindx; | |
4880 | ||
4881 | if (h) | |
4882 | { | |
4883 | offset = sh_elf_hash_entry (h)->funcdesc.offset; | |
4884 | BFD_ASSERT (offset != MINUS_ONE); | |
4885 | if ((offset & 1) == 0) | |
4886 | { | |
4887 | if (!sh_elf_initialize_funcdesc (output_bfd, info, h, | |
4888 | offset, NULL, 0)) | |
4889 | return FALSE; | |
4890 | sh_elf_hash_entry (h)->funcdesc.offset |= 1; | |
4891 | } | |
4892 | } | |
4893 | else | |
4894 | { | |
4895 | union gotref *local_funcdesc; | |
4896 | ||
4897 | local_funcdesc = sh_elf_local_funcdesc (input_bfd); | |
4898 | offset = local_funcdesc[r_symndx].offset; | |
4899 | BFD_ASSERT (offset != MINUS_ONE); | |
4900 | if ((offset & 1) == 0) | |
4901 | { | |
4902 | if (!sh_elf_initialize_funcdesc (output_bfd, info, NULL, | |
4903 | offset, sec, | |
4904 | sym->st_value)) | |
4905 | return FALSE; | |
4906 | local_funcdesc[r_symndx].offset |= 1; | |
4907 | } | |
4908 | } | |
4909 | ||
4910 | relocation = htab->sfuncdesc->output_offset + (offset & ~1); | |
4911 | } | |
4912 | ||
0e1862bb | 4913 | if (!bfd_link_pic (info) && SYMBOL_FUNCDESC_LOCAL (info, h)) |
8e45593f NC |
4914 | { |
4915 | bfd_vma offset; | |
4916 | ||
4917 | if (sh_elf_osec_readonly_p (output_bfd, | |
4918 | reloc_section->output_section)) | |
4919 | { | |
4eca0228 | 4920 | _bfd_error_handler |
695344c0 | 4921 | /* xgettext:c-format */ |
8e45593f NC |
4922 | (_("%B(%A+0x%lx): cannot emit fixup to `%s' in read-only section"), |
4923 | input_bfd, | |
4924 | input_section, | |
4925 | (long) rel->r_offset, | |
4926 | symname); | |
4927 | return FALSE; | |
4928 | } | |
4929 | ||
4930 | offset = _bfd_elf_section_offset (output_bfd, info, | |
4931 | reloc_section, reloc_offset); | |
4932 | ||
4933 | if (offset != (bfd_vma)-1) | |
4934 | sh_elf_add_rofixup (output_bfd, htab->srofixup, | |
4935 | offset | |
4936 | + reloc_section->output_section->vma | |
4937 | + reloc_section->output_offset); | |
4938 | } | |
4939 | else if ((reloc_section->output_section->flags | |
4940 | & (SEC_ALLOC | SEC_LOAD)) == (SEC_ALLOC | SEC_LOAD)) | |
4941 | { | |
4942 | bfd_vma offset; | |
4943 | ||
4944 | if (sh_elf_osec_readonly_p (output_bfd, | |
4945 | reloc_section->output_section)) | |
4946 | { | |
4947 | info->callbacks->warning | |
4948 | (info, | |
4949 | _("cannot emit dynamic relocations in read-only section"), | |
4950 | symname, input_bfd, reloc_section, reloc_offset); | |
4951 | return FALSE; | |
4952 | } | |
4953 | ||
4954 | if (srelgot == NULL) | |
4955 | { | |
3d4d4302 | 4956 | srelgot = bfd_get_linker_section (dynobj, ".rela.got"); |
8e45593f NC |
4957 | BFD_ASSERT (srelgot != NULL); |
4958 | } | |
4959 | ||
4960 | offset = _bfd_elf_section_offset (output_bfd, info, | |
4961 | reloc_section, reloc_offset); | |
4962 | ||
4963 | if (offset != (bfd_vma)-1) | |
4964 | sh_elf_add_dyn_reloc (output_bfd, srelgot, | |
4965 | offset | |
4966 | + reloc_section->output_section->vma | |
4967 | + reloc_section->output_offset, | |
4968 | reloc_type, dynindx, relocation); | |
4969 | ||
4970 | if (r_type == R_SH_FUNCDESC) | |
4971 | { | |
4972 | r = bfd_reloc_ok; | |
4973 | break; | |
4974 | } | |
4975 | else | |
4976 | { | |
4977 | relocation = 0; | |
4978 | goto funcdesc_leave_zero; | |
4979 | } | |
4980 | } | |
4981 | ||
4982 | if (SYMBOL_FUNCDESC_LOCAL (info, h)) | |
4983 | relocation += htab->sfuncdesc->output_section->vma; | |
4984 | funcdesc_leave_zero: | |
4985 | if (r_type != R_SH_FUNCDESC) | |
4986 | { | |
4987 | bfd_put_32 (output_bfd, relocation, | |
4988 | reloc_section->contents + reloc_offset); | |
4989 | if (h != NULL) | |
4990 | h->got.offset |= 1; | |
4991 | else | |
4992 | local_got_offsets[r_symndx] |= 1; | |
4993 | ||
4994 | funcdesc_done_got: | |
4995 | ||
4996 | relocation = sh_elf_got_offset (htab) + reloc_offset; | |
4997 | #ifdef GOT_BIAS | |
4998 | relocation -= GOT_BIAS; | |
4999 | #endif | |
5000 | } | |
5001 | if (r_type == R_SH_GOTFUNCDESC20) | |
5002 | { | |
5003 | r = install_movi20_field (output_bfd, relocation + addend, | |
5004 | input_bfd, input_section, contents, | |
5005 | rel->r_offset); | |
5006 | break; | |
5007 | } | |
5008 | else | |
5009 | goto final_link_relocate; | |
5010 | } | |
5011 | break; | |
5012 | ||
5013 | case R_SH_GOTOFFFUNCDESC: | |
5014 | case R_SH_GOTOFFFUNCDESC20: | |
5015 | /* FIXME: See R_SH_FUNCDESC comment about global symbols in the | |
5016 | executable and --export-dynamic. If such symbols get | |
5017 | ld.so-allocated descriptors we can not use R_SH_GOTOFFFUNCDESC | |
5018 | for them. */ | |
e0af1f53 | 5019 | BFD_ASSERT (htab); |
8e45593f NC |
5020 | |
5021 | check_segment[0] = check_segment[1] = -1; | |
5022 | relocation = 0; | |
5023 | addend = rel->r_addend; | |
5024 | ||
5025 | if (h && (h->root.type == bfd_link_hash_undefweak | |
5026 | || !SYMBOL_FUNCDESC_LOCAL (info, h))) | |
5027 | { | |
5028 | _bfd_error_handler | |
695344c0 | 5029 | /* xgettext:c-format */ |
8e45593f NC |
5030 | (_("%B(%A+0x%lx): %s relocation against external symbol \"%s\""), |
5031 | input_bfd, input_section, (long) rel->r_offset, howto->name, | |
5032 | h->root.root.string); | |
5033 | return FALSE; | |
5034 | } | |
5035 | else | |
5036 | { | |
5037 | bfd_vma offset; | |
5038 | ||
5039 | /* Otherwise, we know we have a private function | |
5040 | descriptor, so reference it directly. */ | |
5041 | if (h) | |
5042 | { | |
5043 | offset = sh_elf_hash_entry (h)->funcdesc.offset; | |
5044 | BFD_ASSERT (offset != MINUS_ONE); | |
5045 | if ((offset & 1) == 0) | |
5046 | { | |
5047 | if (!sh_elf_initialize_funcdesc (output_bfd, info, h, | |
5048 | offset, NULL, 0)) | |
5049 | return FALSE; | |
5050 | sh_elf_hash_entry (h)->funcdesc.offset |= 1; | |
5051 | } | |
5052 | } | |
5053 | else | |
5054 | { | |
5055 | union gotref *local_funcdesc; | |
5056 | ||
5057 | local_funcdesc = sh_elf_local_funcdesc (input_bfd); | |
5058 | offset = local_funcdesc[r_symndx].offset; | |
5059 | BFD_ASSERT (offset != MINUS_ONE); | |
5060 | if ((offset & 1) == 0) | |
5061 | { | |
5062 | if (!sh_elf_initialize_funcdesc (output_bfd, info, NULL, | |
5063 | offset, sec, | |
5064 | sym->st_value)) | |
5065 | return FALSE; | |
5066 | local_funcdesc[r_symndx].offset |= 1; | |
5067 | } | |
5068 | } | |
5069 | ||
5070 | relocation = htab->sfuncdesc->output_offset + (offset & ~1); | |
5071 | } | |
5072 | ||
e0af1f53 MR |
5073 | relocation -= (htab->root.hgot->root.u.def.value |
5074 | + sgotplt->output_offset); | |
8e45593f NC |
5075 | #ifdef GOT_BIAS |
5076 | relocation -= GOT_BIAS; | |
5077 | #endif | |
5078 | ||
5079 | if (r_type == R_SH_GOTOFFFUNCDESC20) | |
5080 | { | |
5081 | r = install_movi20_field (output_bfd, relocation + addend, | |
5082 | input_bfd, input_section, contents, | |
5083 | rel->r_offset); | |
5084 | break; | |
5085 | } | |
5086 | else | |
5087 | goto final_link_relocate; | |
5088 | ||
37c644f2 AO |
5089 | case R_SH_LOOP_START: |
5090 | { | |
5091 | static bfd_vma start, end; | |
5092 | ||
5093 | start = (relocation + rel->r_addend | |
5094 | - (sec->output_section->vma + sec->output_offset)); | |
5095 | r = sh_elf_reloc_loop (r_type, input_bfd, input_section, contents, | |
5096 | rel->r_offset, sec, start, end); | |
5097 | break; | |
5098 | ||
5099 | case R_SH_LOOP_END: | |
5100 | end = (relocation + rel->r_addend | |
5101 | - (sec->output_section->vma + sec->output_offset)); | |
5102 | r = sh_elf_reloc_loop (r_type, input_bfd, input_section, contents, | |
5103 | rel->r_offset, sec, start, end); | |
5104 | break; | |
5105 | } | |
3376eaf5 KK |
5106 | |
5107 | case R_SH_TLS_GD_32: | |
5108 | case R_SH_TLS_IE_32: | |
e0af1f53 | 5109 | BFD_ASSERT (htab); |
8e45593f | 5110 | check_segment[0] = check_segment[1] = -1; |
3376eaf5 | 5111 | r_type = sh_elf_optimized_tls_reloc (info, r_type, h == NULL); |
8e45593f | 5112 | got_type = GOT_UNKNOWN; |
3376eaf5 | 5113 | if (h == NULL && local_got_offsets) |
8e45593f | 5114 | got_type = sh_elf_local_got_type (input_bfd) [r_symndx]; |
3376eaf5 KK |
5115 | else if (h != NULL) |
5116 | { | |
8e45593f | 5117 | got_type = sh_elf_hash_entry (h)->got_type; |
0e1862bb | 5118 | if (! bfd_link_pic (info) |
3376eaf5 | 5119 | && (h->dynindx == -1 |
f5385ebf | 5120 | || h->def_regular)) |
267fb3c1 | 5121 | r_type = R_SH_TLS_LE_32; |
3376eaf5 KK |
5122 | } |
5123 | ||
8e45593f | 5124 | if (r_type == R_SH_TLS_GD_32 && got_type == GOT_TLS_IE) |
3376eaf5 KK |
5125 | r_type = R_SH_TLS_IE_32; |
5126 | ||
5127 | if (r_type == R_SH_TLS_LE_32) | |
5128 | { | |
5129 | bfd_vma offset; | |
5130 | unsigned short insn; | |
3376eaf5 KK |
5131 | |
5132 | if (ELF32_R_TYPE (rel->r_info) == R_SH_TLS_GD_32) | |
5133 | { | |
5134 | /* GD->LE transition: | |
5135 | mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1; | |
b34976b6 | 5136 | jsr @r1; add r12,r4; bra 3f; nop; .align 2; |
3376eaf5 KK |
5137 | 1: .long x$TLSGD; 2: .long __tls_get_addr@PLT; 3: |
5138 | We change it into: | |
5139 | mov.l 1f,r4; stc gbr,r0; add r4,r0; nop; | |
5140 | nop; nop; ... | |
5141 | 1: .long x@TPOFF; 2: .long __tls_get_addr@PLT; 3:. */ | |
5142 | ||
5143 | offset = rel->r_offset; | |
5144 | BFD_ASSERT (offset >= 16); | |
5145 | /* Size of GD instructions is 16 or 18. */ | |
5146 | offset -= 16; | |
5147 | insn = bfd_get_16 (input_bfd, contents + offset + 0); | |
5148 | if ((insn & 0xff00) == 0xc700) | |
5149 | { | |
5150 | BFD_ASSERT (offset >= 2); | |
5151 | offset -= 2; | |
5152 | insn = bfd_get_16 (input_bfd, contents + offset + 0); | |
5153 | } | |
5154 | ||
5155 | BFD_ASSERT ((insn & 0xff00) == 0xd400); | |
5156 | insn = bfd_get_16 (input_bfd, contents + offset + 2); | |
5157 | BFD_ASSERT ((insn & 0xff00) == 0xc700); | |
5158 | insn = bfd_get_16 (input_bfd, contents + offset + 4); | |
5159 | BFD_ASSERT ((insn & 0xff00) == 0xd100); | |
5160 | insn = bfd_get_16 (input_bfd, contents + offset + 6); | |
5161 | BFD_ASSERT (insn == 0x310c); | |
5162 | insn = bfd_get_16 (input_bfd, contents + offset + 8); | |
5163 | BFD_ASSERT (insn == 0x410b); | |
5164 | insn = bfd_get_16 (input_bfd, contents + offset + 10); | |
5165 | BFD_ASSERT (insn == 0x34cc); | |
5166 | ||
5167 | bfd_put_16 (output_bfd, 0x0012, contents + offset + 2); | |
5168 | bfd_put_16 (output_bfd, 0x304c, contents + offset + 4); | |
5169 | bfd_put_16 (output_bfd, 0x0009, contents + offset + 6); | |
5170 | bfd_put_16 (output_bfd, 0x0009, contents + offset + 8); | |
5171 | bfd_put_16 (output_bfd, 0x0009, contents + offset + 10); | |
5172 | } | |
5173 | else | |
5174 | { | |
91d6fa6a | 5175 | int target; |
3376eaf5 KK |
5176 | |
5177 | /* IE->LE transition: | |
5178 | mov.l 1f,r0; stc gbr,rN; mov.l @(r0,r12),rM; | |
5179 | bra 2f; add ...; .align 2; 1: x@GOTTPOFF; 2: | |
5180 | We change it into: | |
5181 | mov.l .Ln,rM; stc gbr,rN; nop; ...; | |
5182 | 1: x@TPOFF; 2:. */ | |
5183 | ||
5184 | offset = rel->r_offset; | |
5185 | BFD_ASSERT (offset >= 16); | |
5186 | /* Size of IE instructions is 10 or 12. */ | |
5187 | offset -= 10; | |
5188 | insn = bfd_get_16 (input_bfd, contents + offset + 0); | |
5189 | if ((insn & 0xf0ff) == 0x0012) | |
5190 | { | |
5191 | BFD_ASSERT (offset >= 2); | |
5192 | offset -= 2; | |
5193 | insn = bfd_get_16 (input_bfd, contents + offset + 0); | |
5194 | } | |
5195 | ||
5196 | BFD_ASSERT ((insn & 0xff00) == 0xd000); | |
91d6fa6a | 5197 | target = insn & 0x00ff; |
3376eaf5 KK |
5198 | insn = bfd_get_16 (input_bfd, contents + offset + 2); |
5199 | BFD_ASSERT ((insn & 0xf0ff) == 0x0012); | |
5200 | insn = bfd_get_16 (input_bfd, contents + offset + 4); | |
5201 | BFD_ASSERT ((insn & 0xf0ff) == 0x00ce); | |
91d6fa6a | 5202 | insn = 0xd000 | (insn & 0x0f00) | target; |
3376eaf5 KK |
5203 | bfd_put_16 (output_bfd, insn, contents + offset + 0); |
5204 | bfd_put_16 (output_bfd, 0x0009, contents + offset + 4); | |
5205 | } | |
5206 | ||
267fb3c1 KK |
5207 | bfd_put_32 (output_bfd, tpoff (info, relocation), |
5208 | contents + rel->r_offset); | |
3376eaf5 KK |
5209 | continue; |
5210 | } | |
5211 | ||
8e45593f | 5212 | if (sgot == NULL || sgotplt == NULL) |
3376eaf5 KK |
5213 | abort (); |
5214 | ||
5215 | if (h != NULL) | |
5216 | off = h->got.offset; | |
5217 | else | |
5218 | { | |
5219 | if (local_got_offsets == NULL) | |
5220 | abort (); | |
5221 | ||
5222 | off = local_got_offsets[r_symndx]; | |
5223 | } | |
5224 | ||
267fb3c1 KK |
5225 | /* Relocate R_SH_TLS_IE_32 directly when statically linking. */ |
5226 | if (r_type == R_SH_TLS_IE_32 | |
5227 | && ! htab->root.dynamic_sections_created) | |
5228 | { | |
5229 | off &= ~1; | |
5230 | bfd_put_32 (output_bfd, tpoff (info, relocation), | |
5231 | sgot->contents + off); | |
8e45593f | 5232 | bfd_put_32 (output_bfd, sh_elf_got_offset (htab) + off, |
267fb3c1 KK |
5233 | contents + rel->r_offset); |
5234 | continue; | |
5235 | } | |
5236 | ||
3376eaf5 KK |
5237 | if ((off & 1) != 0) |
5238 | off &= ~1; | |
26e41594 | 5239 | else |
3376eaf5 KK |
5240 | { |
5241 | Elf_Internal_Rela outrel; | |
947216bf | 5242 | bfd_byte *loc; |
3376eaf5 KK |
5243 | int dr_type, indx; |
5244 | ||
5245 | if (srelgot == NULL) | |
5246 | { | |
3d4d4302 | 5247 | srelgot = bfd_get_linker_section (dynobj, ".rela.got"); |
3376eaf5 KK |
5248 | BFD_ASSERT (srelgot != NULL); |
5249 | } | |
5250 | ||
5251 | outrel.r_offset = (sgot->output_section->vma | |
5252 | + sgot->output_offset + off); | |
5253 | ||
267fb3c1 | 5254 | if (h == NULL || h->dynindx == -1) |
c95b8a7a KK |
5255 | indx = 0; |
5256 | else | |
5257 | indx = h->dynindx; | |
267fb3c1 | 5258 | |
3376eaf5 KK |
5259 | dr_type = (r_type == R_SH_TLS_GD_32 ? R_SH_TLS_DTPMOD32 : |
5260 | R_SH_TLS_TPOFF32); | |
5261 | if (dr_type == R_SH_TLS_TPOFF32 && indx == 0) | |
5262 | outrel.r_addend = relocation - dtpoff_base (info); | |
5263 | else | |
5264 | outrel.r_addend = 0; | |
5265 | outrel.r_info = ELF32_R_INFO (indx, dr_type); | |
947216bf AM |
5266 | loc = srelgot->contents; |
5267 | loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela); | |
3376eaf5 KK |
5268 | bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc); |
5269 | ||
5270 | if (r_type == R_SH_TLS_GD_32) | |
5271 | { | |
5272 | if (indx == 0) | |
5273 | { | |
5274 | bfd_put_32 (output_bfd, | |
5275 | relocation - dtpoff_base (info), | |
5276 | sgot->contents + off + 4); | |
5277 | } | |
5278 | else | |
5279 | { | |
5280 | outrel.r_info = ELF32_R_INFO (indx, | |
5281 | R_SH_TLS_DTPOFF32); | |
5282 | outrel.r_offset += 4; | |
5283 | outrel.r_addend = 0; | |
5284 | srelgot->reloc_count++; | |
947216bf AM |
5285 | loc += sizeof (Elf32_External_Rela); |
5286 | bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc); | |
3376eaf5 KK |
5287 | } |
5288 | } | |
5289 | ||
5290 | if (h != NULL) | |
5291 | h->got.offset |= 1; | |
5292 | else | |
5293 | local_got_offsets[r_symndx] |= 1; | |
5294 | } | |
5295 | ||
5296 | if (off >= (bfd_vma) -2) | |
5297 | abort (); | |
5298 | ||
5299 | if (r_type == (int) ELF32_R_TYPE (rel->r_info)) | |
8e45593f | 5300 | relocation = sh_elf_got_offset (htab) + off; |
3376eaf5 KK |
5301 | else |
5302 | { | |
5303 | bfd_vma offset; | |
5304 | unsigned short insn; | |
5305 | ||
5306 | /* GD->IE transition: | |
5307 | mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1; | |
5308 | jsr @r1; add r12,r4; bra 3f; nop; .align 2; | |
5309 | 1: .long x$TLSGD; 2: .long __tls_get_addr@PLT; 3: | |
5310 | We change it into: | |
5311 | mov.l 1f,r0; stc gbr,r4; mov.l @(r0,r12),r0; add r4,r0; | |
5312 | nop; nop; bra 3f; nop; .align 2; | |
5313 | 1: .long x@TPOFF; 2:...; 3:. */ | |
5314 | ||
5315 | offset = rel->r_offset; | |
5316 | BFD_ASSERT (offset >= 16); | |
5317 | /* Size of GD instructions is 16 or 18. */ | |
5318 | offset -= 16; | |
5319 | insn = bfd_get_16 (input_bfd, contents + offset + 0); | |
5320 | if ((insn & 0xff00) == 0xc700) | |
5321 | { | |
5322 | BFD_ASSERT (offset >= 2); | |
5323 | offset -= 2; | |
5324 | insn = bfd_get_16 (input_bfd, contents + offset + 0); | |
5325 | } | |
5326 | ||
5327 | BFD_ASSERT ((insn & 0xff00) == 0xd400); | |
5328 | ||
5329 | /* Replace mov.l 1f,R4 with mov.l 1f,r0. */ | |
5330 | bfd_put_16 (output_bfd, insn & 0xf0ff, contents + offset); | |
5331 | ||
5332 | insn = bfd_get_16 (input_bfd, contents + offset + 2); | |
5333 | BFD_ASSERT ((insn & 0xff00) == 0xc700); | |
5334 | insn = bfd_get_16 (input_bfd, contents + offset + 4); | |
5335 | BFD_ASSERT ((insn & 0xff00) == 0xd100); | |
5336 | insn = bfd_get_16 (input_bfd, contents + offset + 6); | |
5337 | BFD_ASSERT (insn == 0x310c); | |
5338 | insn = bfd_get_16 (input_bfd, contents + offset + 8); | |
5339 | BFD_ASSERT (insn == 0x410b); | |
5340 | insn = bfd_get_16 (input_bfd, contents + offset + 10); | |
5341 | BFD_ASSERT (insn == 0x34cc); | |
5342 | ||
5343 | bfd_put_16 (output_bfd, 0x0412, contents + offset + 2); | |
5344 | bfd_put_16 (output_bfd, 0x00ce, contents + offset + 4); | |
5345 | bfd_put_16 (output_bfd, 0x304c, contents + offset + 6); | |
5346 | bfd_put_16 (output_bfd, 0x0009, contents + offset + 8); | |
5347 | bfd_put_16 (output_bfd, 0x0009, contents + offset + 10); | |
5348 | ||
8e45593f | 5349 | bfd_put_32 (output_bfd, sh_elf_got_offset (htab) + off, |
3376eaf5 KK |
5350 | contents + rel->r_offset); |
5351 | ||
5352 | continue; | |
5353 | } | |
5354 | ||
5355 | addend = rel->r_addend; | |
5356 | ||
5357 | goto final_link_relocate; | |
5358 | ||
5359 | case R_SH_TLS_LD_32: | |
e0af1f53 | 5360 | BFD_ASSERT (htab); |
8e45593f | 5361 | check_segment[0] = check_segment[1] = -1; |
0e1862bb | 5362 | if (! bfd_link_pic (info)) |
3376eaf5 KK |
5363 | { |
5364 | bfd_vma offset; | |
5365 | unsigned short insn; | |
5366 | ||
5367 | /* LD->LE transition: | |
5368 | mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1; | |
5369 | jsr @r1; add r12,r4; bra 3f; nop; .align 2; | |
5370 | 1: .long x$TLSLD; 2: .long __tls_get_addr@PLT; 3: | |
5371 | We change it into: | |
5372 | stc gbr,r0; nop; nop; nop; | |
5373 | nop; nop; bra 3f; ...; 3:. */ | |
5374 | ||
5375 | offset = rel->r_offset; | |
5376 | BFD_ASSERT (offset >= 16); | |
5377 | /* Size of LD instructions is 16 or 18. */ | |
5378 | offset -= 16; | |
5379 | insn = bfd_get_16 (input_bfd, contents + offset + 0); | |
5380 | if ((insn & 0xff00) == 0xc700) | |
5381 | { | |
5382 | BFD_ASSERT (offset >= 2); | |
5383 | offset -= 2; | |
5384 | insn = bfd_get_16 (input_bfd, contents + offset + 0); | |
5385 | } | |
5386 | ||
5387 | BFD_ASSERT ((insn & 0xff00) == 0xd400); | |
5388 | insn = bfd_get_16 (input_bfd, contents + offset + 2); | |
5389 | BFD_ASSERT ((insn & 0xff00) == 0xc700); | |
5390 | insn = bfd_get_16 (input_bfd, contents + offset + 4); | |
5391 | BFD_ASSERT ((insn & 0xff00) == 0xd100); | |
5392 | insn = bfd_get_16 (input_bfd, contents + offset + 6); | |
5393 | BFD_ASSERT (insn == 0x310c); | |
5394 | insn = bfd_get_16 (input_bfd, contents + offset + 8); | |
5395 | BFD_ASSERT (insn == 0x410b); | |
5396 | insn = bfd_get_16 (input_bfd, contents + offset + 10); | |
5397 | BFD_ASSERT (insn == 0x34cc); | |
5398 | ||
5399 | bfd_put_16 (output_bfd, 0x0012, contents + offset + 0); | |
5400 | bfd_put_16 (output_bfd, 0x0009, contents + offset + 2); | |
5401 | bfd_put_16 (output_bfd, 0x0009, contents + offset + 4); | |
5402 | bfd_put_16 (output_bfd, 0x0009, contents + offset + 6); | |
5403 | bfd_put_16 (output_bfd, 0x0009, contents + offset + 8); | |
5404 | bfd_put_16 (output_bfd, 0x0009, contents + offset + 10); | |
5405 | ||
5406 | continue; | |
5407 | } | |
5408 | ||
8e45593f | 5409 | if (sgot == NULL || sgotplt == NULL) |
3376eaf5 KK |
5410 | abort (); |
5411 | ||
5412 | off = htab->tls_ldm_got.offset; | |
5413 | if (off & 1) | |
5414 | off &= ~1; | |
5415 | else | |
5416 | { | |
5417 | Elf_Internal_Rela outrel; | |
947216bf | 5418 | bfd_byte *loc; |
3376eaf5 KK |
5419 | |
5420 | srelgot = htab->srelgot; | |
5421 | if (srelgot == NULL) | |
5422 | abort (); | |
5423 | ||
5424 | outrel.r_offset = (sgot->output_section->vma | |
5425 | + sgot->output_offset + off); | |
5426 | outrel.r_addend = 0; | |
5427 | outrel.r_info = ELF32_R_INFO (0, R_SH_TLS_DTPMOD32); | |
947216bf AM |
5428 | loc = srelgot->contents; |
5429 | loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela); | |
3376eaf5 KK |
5430 | bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc); |
5431 | htab->tls_ldm_got.offset |= 1; | |
5432 | } | |
5433 | ||
8e45593f | 5434 | relocation = sh_elf_got_offset (htab) + off; |
3376eaf5 KK |
5435 | addend = rel->r_addend; |
5436 | ||
5437 | goto final_link_relocate; | |
5438 | ||
5439 | case R_SH_TLS_LDO_32: | |
8e45593f | 5440 | check_segment[0] = check_segment[1] = -1; |
0e1862bb | 5441 | if (! bfd_link_pic (info)) |
267fb3c1 | 5442 | relocation = tpoff (info, relocation); |
3376eaf5 KK |
5443 | else |
5444 | relocation -= dtpoff_base (info); | |
5445 | ||
5446 | addend = rel->r_addend; | |
5447 | goto final_link_relocate; | |
5448 | ||
5449 | case R_SH_TLS_LE_32: | |
5450 | { | |
5451 | int indx; | |
5452 | Elf_Internal_Rela outrel; | |
947216bf | 5453 | bfd_byte *loc; |
3376eaf5 | 5454 | |
8e45593f NC |
5455 | check_segment[0] = check_segment[1] = -1; |
5456 | ||
3cbc1e5e | 5457 | if (!bfd_link_dll (info)) |
267fb3c1 KK |
5458 | { |
5459 | relocation = tpoff (info, relocation); | |
5460 | addend = rel->r_addend; | |
5461 | goto final_link_relocate; | |
5462 | } | |
5463 | ||
3376eaf5 KK |
5464 | if (sreloc == NULL) |
5465 | { | |
83bac4b0 NC |
5466 | sreloc = _bfd_elf_get_dynamic_reloc_section |
5467 | (input_bfd, input_section, /*rela?*/ TRUE); | |
5468 | if (sreloc == NULL) | |
b34976b6 | 5469 | return FALSE; |
3376eaf5 KK |
5470 | } |
5471 | ||
267fb3c1 KK |
5472 | if (h == NULL || h->dynindx == -1) |
5473 | indx = 0; | |
5474 | else | |
5475 | indx = h->dynindx; | |
5476 | ||
3376eaf5 KK |
5477 | outrel.r_offset = (input_section->output_section->vma |
5478 | + input_section->output_offset | |
5479 | + rel->r_offset); | |
5480 | outrel.r_info = ELF32_R_INFO (indx, R_SH_TLS_TPOFF32); | |
5481 | if (indx == 0) | |
5482 | outrel.r_addend = relocation - dtpoff_base (info); | |
5483 | else | |
5484 | outrel.r_addend = 0; | |
3376eaf5 | 5485 | |
947216bf AM |
5486 | loc = sreloc->contents; |
5487 | loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela); | |
5488 | bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc); | |
3376eaf5 KK |
5489 | continue; |
5490 | } | |
37c644f2 AO |
5491 | } |
5492 | ||
146be91a | 5493 | relocation_done: |
e0af1f53 | 5494 | if (fdpic_p && check_segment[0] != (unsigned) -1 |
8e45593f NC |
5495 | && check_segment[0] != check_segment[1]) |
5496 | { | |
5497 | /* We don't want duplicate errors for undefined symbols. */ | |
5498 | if (!h || h->root.type != bfd_link_hash_undefined) | |
5499 | { | |
0e1862bb | 5500 | if (bfd_link_pic (info)) |
8e45593f NC |
5501 | { |
5502 | info->callbacks->einfo | |
695344c0 | 5503 | /* xgettext:c-format */ |
8e45593f NC |
5504 | (_("%X%C: relocation to \"%s\" references a different segment\n"), |
5505 | input_bfd, input_section, rel->r_offset, symname); | |
5506 | return FALSE; | |
5507 | } | |
5508 | else | |
5509 | info->callbacks->einfo | |
695344c0 | 5510 | /* xgettext:c-format */ |
8e45593f NC |
5511 | (_("%C: warning: relocation to \"%s\" references a different segment\n"), |
5512 | input_bfd, input_section, rel->r_offset, symname); | |
5513 | } | |
5514 | ||
fbedb42d | 5515 | elf_elfheader (output_bfd)->e_flags |= EF_SH_PIC; |
8e45593f NC |
5516 | } |
5517 | ||
37c644f2 AO |
5518 | if (r != bfd_reloc_ok) |
5519 | { | |
5520 | switch (r) | |
5521 | { | |
5522 | default: | |
5523 | case bfd_reloc_outofrange: | |
5524 | abort (); | |
5525 | case bfd_reloc_overflow: | |
5526 | { | |
5527 | const char *name; | |
5528 | ||
5529 | if (h != NULL) | |
dfeffb9f | 5530 | name = NULL; |
37c644f2 AO |
5531 | else |
5532 | { | |
252b5132 RH |
5533 | name = (bfd_elf_string_from_elf_section |
5534 | (input_bfd, symtab_hdr->sh_link, sym->st_name)); | |
5535 | if (name == NULL) | |
b34976b6 | 5536 | return FALSE; |
252b5132 RH |
5537 | if (*name == '\0') |
5538 | name = bfd_section_name (input_bfd, sec); | |
5539 | } | |
1a72702b AM |
5540 | (*info->callbacks->reloc_overflow) |
5541 | (info, (h ? &h->root : NULL), name, howto->name, | |
5542 | (bfd_vma) 0, input_bfd, input_section, rel->r_offset); | |
252b5132 RH |
5543 | } |
5544 | break; | |
5545 | } | |
5546 | } | |
5547 | } | |
5548 | ||
b34976b6 | 5549 | return TRUE; |
252b5132 RH |
5550 | } |
5551 | ||
5552 | /* This is a version of bfd_generic_get_relocated_section_contents | |
5553 | which uses sh_elf_relocate_section. */ | |
5554 | ||
5555 | static bfd_byte * | |
09fd220b KK |
5556 | sh_elf_get_relocated_section_contents (bfd *output_bfd, |
5557 | struct bfd_link_info *link_info, | |
5558 | struct bfd_link_order *link_order, | |
5559 | bfd_byte *data, | |
5560 | bfd_boolean relocatable, | |
5561 | asymbol **symbols) | |
252b5132 RH |
5562 | { |
5563 | Elf_Internal_Shdr *symtab_hdr; | |
5564 | asection *input_section = link_order->u.indirect.section; | |
5565 | bfd *input_bfd = input_section->owner; | |
5566 | asection **sections = NULL; | |
5567 | Elf_Internal_Rela *internal_relocs = NULL; | |
6cdc0ccc | 5568 | Elf_Internal_Sym *isymbuf = NULL; |
252b5132 RH |
5569 | |
5570 | /* We only need to handle the case of relaxing, or of having a | |
5571 | particular set of section contents, specially. */ | |
1049f94e | 5572 | if (relocatable |
252b5132 RH |
5573 | || elf_section_data (input_section)->this_hdr.contents == NULL) |
5574 | return bfd_generic_get_relocated_section_contents (output_bfd, link_info, | |
5575 | link_order, data, | |
1049f94e | 5576 | relocatable, |
252b5132 RH |
5577 | symbols); |
5578 | ||
0ffa91dd | 5579 | symtab_hdr = &elf_symtab_hdr (input_bfd); |
252b5132 RH |
5580 | |
5581 | memcpy (data, elf_section_data (input_section)->this_hdr.contents, | |
eea6121a | 5582 | (size_t) input_section->size); |
252b5132 RH |
5583 | |
5584 | if ((input_section->flags & SEC_RELOC) != 0 | |
5585 | && input_section->reloc_count > 0) | |
5586 | { | |
252b5132 | 5587 | asection **secpp; |
6cdc0ccc | 5588 | Elf_Internal_Sym *isym, *isymend; |
9ad5cbcf | 5589 | bfd_size_type amt; |
252b5132 | 5590 | |
45d6a902 | 5591 | internal_relocs = (_bfd_elf_link_read_relocs |
09fd220b | 5592 | (input_bfd, input_section, NULL, |
b34976b6 | 5593 | (Elf_Internal_Rela *) NULL, FALSE)); |
252b5132 RH |
5594 | if (internal_relocs == NULL) |
5595 | goto error_return; | |
5596 | ||
6cdc0ccc AM |
5597 | if (symtab_hdr->sh_info != 0) |
5598 | { | |
5599 | isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents; | |
5600 | if (isymbuf == NULL) | |
5601 | isymbuf = bfd_elf_get_elf_syms (input_bfd, symtab_hdr, | |
5602 | symtab_hdr->sh_info, 0, | |
5603 | NULL, NULL, NULL); | |
5604 | if (isymbuf == NULL) | |
5605 | goto error_return; | |
5606 | } | |
252b5132 | 5607 | |
9ad5cbcf AM |
5608 | amt = symtab_hdr->sh_info; |
5609 | amt *= sizeof (asection *); | |
5610 | sections = (asection **) bfd_malloc (amt); | |
5611 | if (sections == NULL && amt != 0) | |
252b5132 RH |
5612 | goto error_return; |
5613 | ||
6cdc0ccc AM |
5614 | isymend = isymbuf + symtab_hdr->sh_info; |
5615 | for (isym = isymbuf, secpp = sections; isym < isymend; ++isym, ++secpp) | |
252b5132 RH |
5616 | { |
5617 | asection *isec; | |
5618 | ||
6cdc0ccc | 5619 | if (isym->st_shndx == SHN_UNDEF) |
252b5132 | 5620 | isec = bfd_und_section_ptr; |
6cdc0ccc | 5621 | else if (isym->st_shndx == SHN_ABS) |
252b5132 | 5622 | isec = bfd_abs_section_ptr; |
6cdc0ccc | 5623 | else if (isym->st_shndx == SHN_COMMON) |
252b5132 RH |
5624 | isec = bfd_com_section_ptr; |
5625 | else | |
6cdc0ccc | 5626 | isec = bfd_section_from_elf_index (input_bfd, isym->st_shndx); |
252b5132 RH |
5627 | |
5628 | *secpp = isec; | |
5629 | } | |
5630 | ||
5631 | if (! sh_elf_relocate_section (output_bfd, link_info, input_bfd, | |
5632 | input_section, data, internal_relocs, | |
6cdc0ccc | 5633 | isymbuf, sections)) |
252b5132 RH |
5634 | goto error_return; |
5635 | ||
5636 | if (sections != NULL) | |
5637 | free (sections); | |
6cdc0ccc AM |
5638 | if (isymbuf != NULL |
5639 | && symtab_hdr->contents != (unsigned char *) isymbuf) | |
5640 | free (isymbuf); | |
5641 | if (elf_section_data (input_section)->relocs != internal_relocs) | |
252b5132 | 5642 | free (internal_relocs); |
252b5132 RH |
5643 | } |
5644 | ||
5645 | return data; | |
5646 | ||
5647 | error_return: | |
252b5132 RH |
5648 | if (sections != NULL) |
5649 | free (sections); | |
6cdc0ccc AM |
5650 | if (isymbuf != NULL |
5651 | && symtab_hdr->contents != (unsigned char *) isymbuf) | |
5652 | free (isymbuf); | |
5653 | if (internal_relocs != NULL | |
5654 | && elf_section_data (input_section)->relocs != internal_relocs) | |
5655 | free (internal_relocs); | |
252b5132 RH |
5656 | return NULL; |
5657 | } | |
917583ad | 5658 | |
3376eaf5 KK |
5659 | /* Return the base VMA address which should be subtracted from real addresses |
5660 | when resolving @dtpoff relocation. | |
5661 | This is PT_TLS segment p_vaddr. */ | |
5662 | ||
5663 | static bfd_vma | |
09fd220b | 5664 | dtpoff_base (struct bfd_link_info *info) |
3376eaf5 | 5665 | { |
e1918d23 AM |
5666 | /* If tls_sec is NULL, we should have signalled an error already. */ |
5667 | if (elf_hash_table (info)->tls_sec == NULL) | |
267fb3c1 | 5668 | return 0; |
e1918d23 | 5669 | return elf_hash_table (info)->tls_sec->vma; |
3376eaf5 KK |
5670 | } |
5671 | ||
267fb3c1 KK |
5672 | /* Return the relocation value for R_SH_TLS_TPOFF32.. */ |
5673 | ||
5674 | static bfd_vma | |
09fd220b | 5675 | tpoff (struct bfd_link_info *info, bfd_vma address) |
267fb3c1 | 5676 | { |
e1918d23 AM |
5677 | /* If tls_sec is NULL, we should have signalled an error already. */ |
5678 | if (elf_hash_table (info)->tls_sec == NULL) | |
267fb3c1 KK |
5679 | return 0; |
5680 | /* SH TLS ABI is variant I and static TLS block start just after tcbhead | |
5681 | structure which has 2 pointer fields. */ | |
044ad7e3 KK |
5682 | return (address - elf_hash_table (info)->tls_sec->vma |
5683 | + align_power ((bfd_vma) 8, | |
5684 | elf_hash_table (info)->tls_sec->alignment_power)); | |
267fb3c1 KK |
5685 | } |
5686 | ||
252b5132 | 5687 | static asection * |
09fd220b | 5688 | sh_elf_gc_mark_hook (asection *sec, |
07adf181 AM |
5689 | struct bfd_link_info *info, |
5690 | Elf_Internal_Rela *rel, | |
5691 | struct elf_link_hash_entry *h, | |
09fd220b | 5692 | Elf_Internal_Sym *sym) |
252b5132 RH |
5693 | { |
5694 | if (h != NULL) | |
07adf181 AM |
5695 | switch (ELF32_R_TYPE (rel->r_info)) |
5696 | { | |
5697 | case R_SH_GNU_VTINHERIT: | |
5698 | case R_SH_GNU_VTENTRY: | |
5699 | return NULL; | |
5700 | } | |
9ad5cbcf | 5701 | |
07adf181 | 5702 | return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym); |
252b5132 RH |
5703 | } |
5704 | ||
067653c5 AM |
5705 | /* Copy the extra info we tack onto an elf_link_hash_entry. */ |
5706 | ||
5707 | static void | |
fcfa13d2 | 5708 | sh_elf_copy_indirect_symbol (struct bfd_link_info *info, |
09fd220b KK |
5709 | struct elf_link_hash_entry *dir, |
5710 | struct elf_link_hash_entry *ind) | |
067653c5 AM |
5711 | { |
5712 | struct elf_sh_link_hash_entry *edir, *eind; | |
5713 | ||
5714 | edir = (struct elf_sh_link_hash_entry *) dir; | |
5715 | eind = (struct elf_sh_link_hash_entry *) ind; | |
5716 | ||
5717 | if (eind->dyn_relocs != NULL) | |
5718 | { | |
5719 | if (edir->dyn_relocs != NULL) | |
5720 | { | |
5721 | struct elf_sh_dyn_relocs **pp; | |
5722 | struct elf_sh_dyn_relocs *p; | |
5723 | ||
fcfa13d2 | 5724 | /* Add reloc counts against the indirect sym to the direct sym |
067653c5 AM |
5725 | list. Merge any entries against the same section. */ |
5726 | for (pp = &eind->dyn_relocs; (p = *pp) != NULL; ) | |
5727 | { | |
5728 | struct elf_sh_dyn_relocs *q; | |
5729 | ||
5730 | for (q = edir->dyn_relocs; q != NULL; q = q->next) | |
5731 | if (q->sec == p->sec) | |
5732 | { | |
5733 | q->pc_count += p->pc_count; | |
5734 | q->count += p->count; | |
5735 | *pp = p->next; | |
5736 | break; | |
5737 | } | |
5738 | if (q == NULL) | |
5739 | pp = &p->next; | |
5740 | } | |
5741 | *pp = edir->dyn_relocs; | |
5742 | } | |
5743 | ||
5744 | edir->dyn_relocs = eind->dyn_relocs; | |
5745 | eind->dyn_relocs = NULL; | |
5746 | } | |
4989d792 SC |
5747 | edir->gotplt_refcount = eind->gotplt_refcount; |
5748 | eind->gotplt_refcount = 0; | |
396a6083 | 5749 | #ifdef INCLUDE_SHMEDIA |
fcfa13d2 AM |
5750 | edir->datalabel_got.refcount += eind->datalabel_got.refcount; |
5751 | eind->datalabel_got.refcount = 0; | |
396a6083 | 5752 | #endif |
8e45593f | 5753 | edir->funcdesc.refcount += eind->funcdesc.refcount; |
68ffbac6 | 5754 | eind->funcdesc.refcount = 0; |
8e45593f | 5755 | edir->abs_funcdesc_refcount += eind->abs_funcdesc_refcount; |
68ffbac6 | 5756 | eind->abs_funcdesc_refcount = 0; |
067653c5 | 5757 | |
3376eaf5 KK |
5758 | if (ind->root.type == bfd_link_hash_indirect |
5759 | && dir->got.refcount <= 0) | |
5760 | { | |
8e45593f NC |
5761 | edir->got_type = eind->got_type; |
5762 | eind->got_type = GOT_UNKNOWN; | |
3376eaf5 KK |
5763 | } |
5764 | ||
04e534c3 | 5765 | if (ind->root.type != bfd_link_hash_indirect |
f5385ebf AM |
5766 | && dir->dynamic_adjusted) |
5767 | { | |
5768 | /* If called to transfer flags for a weakdef during processing | |
5769 | of elf_adjust_dynamic_symbol, don't copy non_got_ref. | |
5770 | We clear it ourselves for ELIMINATE_COPY_RELOCS. */ | |
5771 | dir->ref_dynamic |= ind->ref_dynamic; | |
5772 | dir->ref_regular |= ind->ref_regular; | |
5773 | dir->ref_regular_nonweak |= ind->ref_regular_nonweak; | |
5774 | dir->needs_plt |= ind->needs_plt; | |
5775 | } | |
04e534c3 | 5776 | else |
fcfa13d2 | 5777 | _bfd_elf_link_hash_copy_indirect (info, dir, ind); |
067653c5 AM |
5778 | } |
5779 | ||
3376eaf5 | 5780 | static int |
09fd220b KK |
5781 | sh_elf_optimized_tls_reloc (struct bfd_link_info *info, int r_type, |
5782 | int is_local) | |
3376eaf5 | 5783 | { |
0e1862bb | 5784 | if (bfd_link_pic (info)) |
3376eaf5 KK |
5785 | return r_type; |
5786 | ||
5787 | switch (r_type) | |
5788 | { | |
5789 | case R_SH_TLS_GD_32: | |
5790 | case R_SH_TLS_IE_32: | |
5791 | if (is_local) | |
5792 | return R_SH_TLS_LE_32; | |
5793 | return R_SH_TLS_IE_32; | |
5794 | case R_SH_TLS_LD_32: | |
5795 | return R_SH_TLS_LE_32; | |
5796 | } | |
5797 | ||
5798 | return r_type; | |
5799 | } | |
5800 | ||
252b5132 RH |
5801 | /* Look through the relocs for a section during the first phase. |
5802 | Since we don't do .gots or .plts, we just need to consider the | |
5803 | virtual table relocs for gc. */ | |
435b1e90 | 5804 | |
b34976b6 | 5805 | static bfd_boolean |
09fd220b KK |
5806 | sh_elf_check_relocs (bfd *abfd, struct bfd_link_info *info, asection *sec, |
5807 | const Elf_Internal_Rela *relocs) | |
252b5132 RH |
5808 | { |
5809 | Elf_Internal_Shdr *symtab_hdr; | |
5582a088 | 5810 | struct elf_link_hash_entry **sym_hashes; |
067653c5 | 5811 | struct elf_sh_link_hash_table *htab; |
252b5132 RH |
5812 | const Elf_Internal_Rela *rel; |
5813 | const Elf_Internal_Rela *rel_end; | |
37c644f2 | 5814 | asection *sreloc; |
3376eaf5 | 5815 | unsigned int r_type; |
85e02784 | 5816 | enum got_type got_type, old_got_type; |
435b1e90 | 5817 | |
37c644f2 AO |
5818 | sreloc = NULL; |
5819 | ||
0e1862bb | 5820 | if (bfd_link_relocatable (info)) |
b34976b6 | 5821 | return TRUE; |
435b1e90 | 5822 | |
0ffa91dd NC |
5823 | BFD_ASSERT (is_sh_elf (abfd)); |
5824 | ||
5825 | symtab_hdr = &elf_symtab_hdr (abfd); | |
252b5132 | 5826 | sym_hashes = elf_sym_hashes (abfd); |
435b1e90 | 5827 | |
067653c5 | 5828 | htab = sh_elf_hash_table (info); |
4dfe6ac6 NC |
5829 | if (htab == NULL) |
5830 | return FALSE; | |
5831 | ||
252b5132 RH |
5832 | rel_end = relocs + sec->reloc_count; |
5833 | for (rel = relocs; rel < rel_end; rel++) | |
5834 | { | |
5835 | struct elf_link_hash_entry *h; | |
5836 | unsigned long r_symndx; | |
396a6083 SC |
5837 | #ifdef INCLUDE_SHMEDIA |
5838 | int seen_stt_datalabel = 0; | |
5839 | #endif | |
435b1e90 | 5840 | |
252b5132 | 5841 | r_symndx = ELF32_R_SYM (rel->r_info); |
3376eaf5 KK |
5842 | r_type = ELF32_R_TYPE (rel->r_info); |
5843 | ||
252b5132 | 5844 | if (r_symndx < symtab_hdr->sh_info) |
435b1e90 | 5845 | h = NULL; |
252b5132 | 5846 | else |
396a6083 SC |
5847 | { |
5848 | h = sym_hashes[r_symndx - symtab_hdr->sh_info]; | |
396a6083 SC |
5849 | while (h->root.type == bfd_link_hash_indirect |
5850 | || h->root.type == bfd_link_hash_warning) | |
5851 | { | |
973a3492 | 5852 | #ifdef INCLUDE_SHMEDIA |
396a6083 | 5853 | seen_stt_datalabel |= h->type == STT_DATALABEL; |
973a3492 | 5854 | #endif |
396a6083 SC |
5855 | h = (struct elf_link_hash_entry *) h->root.u.i.link; |
5856 | } | |
81fbe831 AM |
5857 | |
5858 | /* PR15323, ref flags aren't set for references in the same | |
5859 | object. */ | |
5860 | h->root.non_ir_ref = 1; | |
396a6083 | 5861 | } |
435b1e90 | 5862 | |
3376eaf5 | 5863 | r_type = sh_elf_optimized_tls_reloc (info, r_type, h == NULL); |
0e1862bb | 5864 | if (! bfd_link_pic (info) |
3376eaf5 KK |
5865 | && r_type == R_SH_TLS_IE_32 |
5866 | && h != NULL | |
5867 | && h->root.type != bfd_link_hash_undefined | |
5868 | && h->root.type != bfd_link_hash_undefweak | |
5869 | && (h->dynindx == -1 | |
f5385ebf | 5870 | || h->def_regular)) |
3376eaf5 KK |
5871 | r_type = R_SH_TLS_LE_32; |
5872 | ||
8e45593f NC |
5873 | if (htab->fdpic_p) |
5874 | switch (r_type) | |
5875 | { | |
5876 | case R_SH_GOTOFFFUNCDESC: | |
5877 | case R_SH_GOTOFFFUNCDESC20: | |
5878 | case R_SH_FUNCDESC: | |
5879 | case R_SH_GOTFUNCDESC: | |
5880 | case R_SH_GOTFUNCDESC20: | |
5881 | if (h != NULL) | |
5882 | { | |
5883 | if (h->dynindx == -1) | |
5884 | switch (ELF_ST_VISIBILITY (h->other)) | |
5885 | { | |
5886 | case STV_INTERNAL: | |
5887 | case STV_HIDDEN: | |
5888 | break; | |
5889 | default: | |
5890 | bfd_elf_link_record_dynamic_symbol (info, h); | |
5891 | break; | |
5892 | } | |
5893 | } | |
5894 | break; | |
5895 | } | |
5896 | ||
37c644f2 | 5897 | /* Some relocs require a global offset table. */ |
067653c5 | 5898 | if (htab->sgot == NULL) |
37c644f2 | 5899 | { |
3376eaf5 | 5900 | switch (r_type) |
37c644f2 | 5901 | { |
8e45593f NC |
5902 | case R_SH_DIR32: |
5903 | /* This may require an rofixup. */ | |
5904 | if (!htab->fdpic_p) | |
5905 | break; | |
1a0670f3 | 5906 | /* Fall through. */ |
fbca6ad9 | 5907 | case R_SH_GOTPLT32: |
37c644f2 | 5908 | case R_SH_GOT32: |
8e45593f | 5909 | case R_SH_GOT20: |
37c644f2 | 5910 | case R_SH_GOTOFF: |
8e45593f NC |
5911 | case R_SH_GOTOFF20: |
5912 | case R_SH_FUNCDESC: | |
5913 | case R_SH_GOTFUNCDESC: | |
5914 | case R_SH_GOTFUNCDESC20: | |
5915 | case R_SH_GOTOFFFUNCDESC: | |
5916 | case R_SH_GOTOFFFUNCDESC20: | |
37c644f2 | 5917 | case R_SH_GOTPC: |
fbca6ad9 AO |
5918 | #ifdef INCLUDE_SHMEDIA |
5919 | case R_SH_GOTPLT_LOW16: | |
5920 | case R_SH_GOTPLT_MEDLOW16: | |
5921 | case R_SH_GOTPLT_MEDHI16: | |
5922 | case R_SH_GOTPLT_HI16: | |
5923 | case R_SH_GOTPLT10BY4: | |
5924 | case R_SH_GOTPLT10BY8: | |
5925 | case R_SH_GOT_LOW16: | |
5926 | case R_SH_GOT_MEDLOW16: | |
5927 | case R_SH_GOT_MEDHI16: | |
5928 | case R_SH_GOT_HI16: | |
5929 | case R_SH_GOT10BY4: | |
5930 | case R_SH_GOT10BY8: | |
5931 | case R_SH_GOTOFF_LOW16: | |
5932 | case R_SH_GOTOFF_MEDLOW16: | |
5933 | case R_SH_GOTOFF_MEDHI16: | |
5934 | case R_SH_GOTOFF_HI16: | |
5935 | case R_SH_GOTPC_LOW16: | |
5936 | case R_SH_GOTPC_MEDLOW16: | |
5937 | case R_SH_GOTPC_MEDHI16: | |
5938 | case R_SH_GOTPC_HI16: | |
5939 | #endif | |
3376eaf5 KK |
5940 | case R_SH_TLS_GD_32: |
5941 | case R_SH_TLS_LD_32: | |
5942 | case R_SH_TLS_IE_32: | |
8e45593f NC |
5943 | if (htab->root.dynobj == NULL) |
5944 | htab->root.dynobj = abfd; | |
5945 | if (!create_got_section (htab->root.dynobj, info)) | |
5946 | return FALSE; | |
37c644f2 AO |
5947 | break; |
5948 | ||
5949 | default: | |
5950 | break; | |
5951 | } | |
5952 | } | |
5953 | ||
3376eaf5 | 5954 | switch (r_type) |
067653c5 AM |
5955 | { |
5956 | /* This relocation describes the C++ object vtable hierarchy. | |
5957 | Reconstruct it for later use during GC. */ | |
435b1e90 | 5958 | case R_SH_GNU_VTINHERIT: |
c152c796 | 5959 | if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset)) |
b34976b6 | 5960 | return FALSE; |
435b1e90 KH |
5961 | break; |
5962 | ||
067653c5 AM |
5963 | /* This relocation describes which C++ vtable entries are actually |
5964 | used. Record for later use during GC. */ | |
435b1e90 | 5965 | case R_SH_GNU_VTENTRY: |
d17e0c6e JB |
5966 | BFD_ASSERT (h != NULL); |
5967 | if (h != NULL | |
5968 | && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend)) | |
b34976b6 | 5969 | return FALSE; |
435b1e90 | 5970 | break; |
37c644f2 | 5971 | |
3376eaf5 | 5972 | case R_SH_TLS_IE_32: |
0e1862bb | 5973 | if (bfd_link_pic (info)) |
3376eaf5 KK |
5974 | info->flags |= DF_STATIC_TLS; |
5975 | ||
5976 | /* FALLTHROUGH */ | |
267fb3c1 | 5977 | force_got: |
3376eaf5 | 5978 | case R_SH_TLS_GD_32: |
37c644f2 | 5979 | case R_SH_GOT32: |
8e45593f | 5980 | case R_SH_GOT20: |
fbca6ad9 AO |
5981 | #ifdef INCLUDE_SHMEDIA |
5982 | case R_SH_GOT_LOW16: | |
5983 | case R_SH_GOT_MEDLOW16: | |
5984 | case R_SH_GOT_MEDHI16: | |
5985 | case R_SH_GOT_HI16: | |
5986 | case R_SH_GOT10BY4: | |
5987 | case R_SH_GOT10BY8: | |
5988 | #endif | |
8e45593f NC |
5989 | case R_SH_GOTFUNCDESC: |
5990 | case R_SH_GOTFUNCDESC20: | |
3376eaf5 KK |
5991 | switch (r_type) |
5992 | { | |
5993 | default: | |
8e45593f | 5994 | got_type = GOT_NORMAL; |
3376eaf5 KK |
5995 | break; |
5996 | case R_SH_TLS_GD_32: | |
8e45593f | 5997 | got_type = GOT_TLS_GD; |
3376eaf5 KK |
5998 | break; |
5999 | case R_SH_TLS_IE_32: | |
8e45593f NC |
6000 | got_type = GOT_TLS_IE; |
6001 | break; | |
6002 | case R_SH_GOTFUNCDESC: | |
6003 | case R_SH_GOTFUNCDESC20: | |
6004 | got_type = GOT_FUNCDESC; | |
3376eaf5 KK |
6005 | break; |
6006 | } | |
6007 | ||
37c644f2 | 6008 | if (h != NULL) |
3376eaf5 | 6009 | { |
396a6083 SC |
6010 | #ifdef INCLUDE_SHMEDIA |
6011 | if (seen_stt_datalabel) | |
6012 | { | |
b34976b6 AM |
6013 | struct elf_sh_link_hash_entry *eh |
6014 | = (struct elf_sh_link_hash_entry *) h; | |
396a6083 SC |
6015 | |
6016 | eh->datalabel_got.refcount += 1; | |
6017 | } | |
6018 | else | |
6019 | #endif | |
6020 | h->got.refcount += 1; | |
8e45593f | 6021 | old_got_type = sh_elf_hash_entry (h)->got_type; |
3376eaf5 | 6022 | } |
37c644f2 AO |
6023 | else |
6024 | { | |
067653c5 AM |
6025 | bfd_signed_vma *local_got_refcounts; |
6026 | ||
435b1e90 | 6027 | /* This is a global offset table entry for a local |
067653c5 AM |
6028 | symbol. */ |
6029 | local_got_refcounts = elf_local_got_refcounts (abfd); | |
6030 | if (local_got_refcounts == NULL) | |
37c644f2 | 6031 | { |
dc810e39 | 6032 | bfd_size_type size; |
37c644f2 | 6033 | |
dc810e39 | 6034 | size = symtab_hdr->sh_info; |
067653c5 | 6035 | size *= sizeof (bfd_signed_vma); |
fbca6ad9 AO |
6036 | #ifdef INCLUDE_SHMEDIA |
6037 | /* Reserve space for both the datalabel and | |
6038 | codelabel local GOT offsets. */ | |
6039 | size *= 2; | |
6040 | #endif | |
3376eaf5 | 6041 | size += symtab_hdr->sh_info; |
067653c5 AM |
6042 | local_got_refcounts = ((bfd_signed_vma *) |
6043 | bfd_zalloc (abfd, size)); | |
6044 | if (local_got_refcounts == NULL) | |
b34976b6 | 6045 | return FALSE; |
067653c5 | 6046 | elf_local_got_refcounts (abfd) = local_got_refcounts; |
3376eaf5 KK |
6047 | #ifdef INCLUDE_SHMEDIA |
6048 | /* Take care of both the datalabel and codelabel local | |
6049 | GOT offsets. */ | |
8e45593f | 6050 | sh_elf_local_got_type (abfd) |
3376eaf5 KK |
6051 | = (char *) (local_got_refcounts + 2 * symtab_hdr->sh_info); |
6052 | #else | |
8e45593f | 6053 | sh_elf_local_got_type (abfd) |
3376eaf5 KK |
6054 | = (char *) (local_got_refcounts + symtab_hdr->sh_info); |
6055 | #endif | |
37c644f2 | 6056 | } |
396a6083 SC |
6057 | #ifdef INCLUDE_SHMEDIA |
6058 | if (rel->r_addend & 1) | |
6059 | local_got_refcounts[symtab_hdr->sh_info + r_symndx] += 1; | |
6060 | else | |
6061 | #endif | |
6062 | local_got_refcounts[r_symndx] += 1; | |
8e45593f | 6063 | old_got_type = sh_elf_local_got_type (abfd) [r_symndx]; |
3376eaf5 KK |
6064 | } |
6065 | ||
6066 | /* If a TLS symbol is accessed using IE at least once, | |
6067 | there is no point to use dynamic model for it. */ | |
8e45593f NC |
6068 | if (old_got_type != got_type && old_got_type != GOT_UNKNOWN |
6069 | && (old_got_type != GOT_TLS_GD || got_type != GOT_TLS_IE)) | |
3376eaf5 | 6070 | { |
8e45593f NC |
6071 | if (old_got_type == GOT_TLS_IE && got_type == GOT_TLS_GD) |
6072 | got_type = GOT_TLS_IE; | |
3376eaf5 KK |
6073 | else |
6074 | { | |
8e45593f NC |
6075 | if ((old_got_type == GOT_FUNCDESC || got_type == GOT_FUNCDESC) |
6076 | && (old_got_type == GOT_NORMAL || got_type == GOT_NORMAL)) | |
4eca0228 | 6077 | _bfd_error_handler |
695344c0 | 6078 | /* xgettext:c-format */ |
8e45593f NC |
6079 | (_("%B: `%s' accessed both as normal and FDPIC symbol"), |
6080 | abfd, h->root.root.string); | |
6081 | else if (old_got_type == GOT_FUNCDESC | |
6082 | || got_type == GOT_FUNCDESC) | |
4eca0228 | 6083 | _bfd_error_handler |
695344c0 | 6084 | /* xgettext:c-format */ |
8e45593f NC |
6085 | (_("%B: `%s' accessed both as FDPIC and thread local symbol"), |
6086 | abfd, h->root.root.string); | |
6087 | else | |
4eca0228 | 6088 | _bfd_error_handler |
695344c0 | 6089 | /* xgettext:c-format */ |
4eca0228 AM |
6090 | (_("%B: `%s' accessed both as normal and thread local symbol"), |
6091 | abfd, h->root.root.string); | |
b34976b6 | 6092 | return FALSE; |
3376eaf5 KK |
6093 | } |
6094 | } | |
6095 | ||
8e45593f | 6096 | if (old_got_type != got_type) |
3376eaf5 KK |
6097 | { |
6098 | if (h != NULL) | |
8e45593f | 6099 | sh_elf_hash_entry (h)->got_type = got_type; |
3376eaf5 | 6100 | else |
8e45593f | 6101 | sh_elf_local_got_type (abfd) [r_symndx] = got_type; |
37c644f2 | 6102 | } |
3376eaf5 KK |
6103 | |
6104 | break; | |
6105 | ||
6106 | case R_SH_TLS_LD_32: | |
6107 | sh_elf_hash_table(info)->tls_ldm_got.refcount += 1; | |
37c644f2 AO |
6108 | break; |
6109 | ||
8e45593f NC |
6110 | case R_SH_FUNCDESC: |
6111 | case R_SH_GOTOFFFUNCDESC: | |
6112 | case R_SH_GOTOFFFUNCDESC20: | |
6113 | if (rel->r_addend) | |
6114 | { | |
4eca0228 | 6115 | _bfd_error_handler |
8e45593f NC |
6116 | (_("%B: Function descriptor relocation with non-zero addend"), |
6117 | abfd); | |
6118 | return FALSE; | |
6119 | } | |
6120 | ||
6121 | if (h == NULL) | |
6122 | { | |
6123 | union gotref *local_funcdesc; | |
6124 | ||
6125 | /* We need a function descriptor for a local symbol. */ | |
6126 | local_funcdesc = sh_elf_local_funcdesc (abfd); | |
6127 | if (local_funcdesc == NULL) | |
6128 | { | |
6129 | bfd_size_type size; | |
6130 | ||
6131 | size = symtab_hdr->sh_info * sizeof (union gotref); | |
6132 | #ifdef INCLUDE_SHMEDIA | |
6133 | /* Count datalabel local GOT. */ | |
6134 | size *= 2; | |
6135 | #endif | |
6136 | local_funcdesc = (union gotref *) bfd_zalloc (abfd, size); | |
6137 | if (local_funcdesc == NULL) | |
6138 | return FALSE; | |
6139 | sh_elf_local_funcdesc (abfd) = local_funcdesc; | |
6140 | } | |
6141 | local_funcdesc[r_symndx].refcount += 1; | |
6142 | ||
6143 | if (r_type == R_SH_FUNCDESC) | |
6144 | { | |
0e1862bb | 6145 | if (!bfd_link_pic (info)) |
8e45593f NC |
6146 | htab->srofixup->size += 4; |
6147 | else | |
6148 | htab->srelgot->size += sizeof (Elf32_External_Rela); | |
6149 | } | |
6150 | } | |
6151 | else | |
6152 | { | |
6153 | sh_elf_hash_entry (h)->funcdesc.refcount++; | |
6154 | if (r_type == R_SH_FUNCDESC) | |
6155 | sh_elf_hash_entry (h)->abs_funcdesc_refcount++; | |
6156 | ||
6157 | /* If there is a function descriptor reference, then | |
6158 | there should not be any non-FDPIC references. */ | |
6159 | old_got_type = sh_elf_hash_entry (h)->got_type; | |
6160 | if (old_got_type != GOT_FUNCDESC && old_got_type != GOT_UNKNOWN) | |
6161 | { | |
6162 | if (old_got_type == GOT_NORMAL) | |
4eca0228 | 6163 | _bfd_error_handler |
695344c0 | 6164 | /* xgettext:c-format */ |
8e45593f NC |
6165 | (_("%B: `%s' accessed both as normal and FDPIC symbol"), |
6166 | abfd, h->root.root.string); | |
6167 | else | |
4eca0228 | 6168 | _bfd_error_handler |
695344c0 | 6169 | /* xgettext:c-format */ |
8e45593f NC |
6170 | (_("%B: `%s' accessed both as FDPIC and thread local symbol"), |
6171 | abfd, h->root.root.string); | |
6172 | } | |
6173 | } | |
6174 | break; | |
6175 | ||
fbca6ad9 AO |
6176 | case R_SH_GOTPLT32: |
6177 | #ifdef INCLUDE_SHMEDIA | |
6178 | case R_SH_GOTPLT_LOW16: | |
6179 | case R_SH_GOTPLT_MEDLOW16: | |
6180 | case R_SH_GOTPLT_MEDHI16: | |
6181 | case R_SH_GOTPLT_HI16: | |
6182 | case R_SH_GOTPLT10BY4: | |
6183 | case R_SH_GOTPLT10BY8: | |
6184 | #endif | |
6185 | /* If this is a local symbol, we resolve it directly without | |
6186 | creating a procedure linkage table entry. */ | |
6187 | ||
6188 | if (h == NULL | |
f5385ebf | 6189 | || h->forced_local |
0e1862bb | 6190 | || ! bfd_link_pic (info) |
fbca6ad9 | 6191 | || info->symbolic |
067653c5 | 6192 | || h->dynindx == -1) |
fbca6ad9 AO |
6193 | goto force_got; |
6194 | ||
f5385ebf | 6195 | h->needs_plt = 1; |
067653c5 | 6196 | h->plt.refcount += 1; |
4989d792 | 6197 | ((struct elf_sh_link_hash_entry *) h)->gotplt_refcount += 1; |
fbca6ad9 AO |
6198 | |
6199 | break; | |
6200 | ||
37c644f2 | 6201 | case R_SH_PLT32: |
fbca6ad9 AO |
6202 | #ifdef INCLUDE_SHMEDIA |
6203 | case R_SH_PLT_LOW16: | |
6204 | case R_SH_PLT_MEDLOW16: | |
6205 | case R_SH_PLT_MEDHI16: | |
6206 | case R_SH_PLT_HI16: | |
6207 | #endif | |
37c644f2 AO |
6208 | /* This symbol requires a procedure linkage table entry. We |
6209 | actually build the entry in adjust_dynamic_symbol, | |
6210 | because this might be a case of linking PIC code which is | |
6211 | never referenced by a dynamic object, in which case we | |
6212 | don't need to generate a procedure linkage table entry | |
6213 | after all. */ | |
6214 | ||
6215 | /* If this is a local symbol, we resolve it directly without | |
6216 | creating a procedure linkage table entry. */ | |
6217 | if (h == NULL) | |
6218 | continue; | |
6219 | ||
f5385ebf | 6220 | if (h->forced_local) |
37c644f2 AO |
6221 | break; |
6222 | ||
f5385ebf | 6223 | h->needs_plt = 1; |
067653c5 | 6224 | h->plt.refcount += 1; |
37c644f2 AO |
6225 | break; |
6226 | ||
6227 | case R_SH_DIR32: | |
6228 | case R_SH_REL32: | |
46e993b9 KK |
6229 | #ifdef INCLUDE_SHMEDIA |
6230 | case R_SH_IMM_LOW16_PCREL: | |
6231 | case R_SH_IMM_MEDLOW16_PCREL: | |
6232 | case R_SH_IMM_MEDHI16_PCREL: | |
6233 | case R_SH_IMM_HI16_PCREL: | |
6234 | #endif | |
0e1862bb | 6235 | if (h != NULL && ! bfd_link_pic (info)) |
067653c5 | 6236 | { |
f5385ebf | 6237 | h->non_got_ref = 1; |
067653c5 AM |
6238 | h->plt.refcount += 1; |
6239 | } | |
37c644f2 AO |
6240 | |
6241 | /* If we are creating a shared library, and this is a reloc | |
6242 | against a global symbol, or a non PC relative reloc | |
6243 | against a local symbol, then we need to copy the reloc | |
6244 | into the shared library. However, if we are linking with | |
6245 | -Bsymbolic, we do not need to copy a reloc against a | |
6246 | global symbol which is defined in an object we are | |
6247 | including in the link (i.e., DEF_REGULAR is set). At | |
6248 | this point we have not seen all the input files, so it is | |
6249 | possible that DEF_REGULAR is not set now but will be set | |
6250 | later (it is never cleared). We account for that | |
6251 | possibility below by storing information in the | |
067653c5 AM |
6252 | dyn_relocs field of the hash table entry. A similar |
6253 | situation occurs when creating shared libraries and symbol | |
6254 | visibility changes render the symbol local. | |
6255 | ||
6256 | If on the other hand, we are creating an executable, we | |
6257 | may need to keep relocations for symbols satisfied by a | |
6258 | dynamic library if we manage to avoid copy relocs for the | |
6259 | symbol. */ | |
0e1862bb | 6260 | if ((bfd_link_pic (info) |
067653c5 | 6261 | && (sec->flags & SEC_ALLOC) != 0 |
3376eaf5 | 6262 | && (r_type != R_SH_REL32 |
067653c5 AM |
6263 | || (h != NULL |
6264 | && (! info->symbolic | |
6265 | || h->root.type == bfd_link_hash_defweak | |
f5385ebf | 6266 | || !h->def_regular)))) |
0e1862bb | 6267 | || (! bfd_link_pic (info) |
067653c5 AM |
6268 | && (sec->flags & SEC_ALLOC) != 0 |
6269 | && h != NULL | |
6270 | && (h->root.type == bfd_link_hash_defweak | |
f5385ebf | 6271 | || !h->def_regular))) |
37c644f2 | 6272 | { |
067653c5 AM |
6273 | struct elf_sh_dyn_relocs *p; |
6274 | struct elf_sh_dyn_relocs **head; | |
6275 | ||
2293c499 AM |
6276 | if (htab->root.dynobj == NULL) |
6277 | htab->root.dynobj = abfd; | |
067653c5 | 6278 | |
37c644f2 AO |
6279 | /* When creating a shared object, we must copy these |
6280 | reloc types into the output file. We create a reloc | |
6281 | section in dynobj and make room for this reloc. */ | |
6282 | if (sreloc == NULL) | |
6283 | { | |
83bac4b0 NC |
6284 | sreloc = _bfd_elf_make_dynamic_reloc_section |
6285 | (sec, htab->root.dynobj, 2, abfd, /*rela?*/ TRUE); | |
37c644f2 | 6286 | |
37c644f2 | 6287 | if (sreloc == NULL) |
83bac4b0 | 6288 | return FALSE; |
37c644f2 AO |
6289 | } |
6290 | ||
067653c5 AM |
6291 | /* If this is a global symbol, we count the number of |
6292 | relocations we need for this symbol. */ | |
6293 | if (h != NULL) | |
6294 | head = &((struct elf_sh_link_hash_entry *) h)->dyn_relocs; | |
6295 | else | |
37c644f2 | 6296 | { |
87d72d41 | 6297 | /* Track dynamic relocs needed for local syms too. */ |
067653c5 | 6298 | asection *s; |
6edfbbad | 6299 | void *vpp; |
87d72d41 | 6300 | Elf_Internal_Sym *isym; |
37c644f2 | 6301 | |
87d72d41 AM |
6302 | isym = bfd_sym_from_r_symndx (&htab->sym_cache, |
6303 | abfd, r_symndx); | |
6304 | if (isym == NULL) | |
b34976b6 | 6305 | return FALSE; |
37c644f2 | 6306 | |
87d72d41 AM |
6307 | s = bfd_section_from_elf_index (abfd, isym->st_shndx); |
6308 | if (s == NULL) | |
6309 | s = sec; | |
6310 | ||
6edfbbad DJ |
6311 | vpp = &elf_section_data (s)->local_dynrel; |
6312 | head = (struct elf_sh_dyn_relocs **) vpp; | |
067653c5 | 6313 | } |
37c644f2 | 6314 | |
067653c5 AM |
6315 | p = *head; |
6316 | if (p == NULL || p->sec != sec) | |
6317 | { | |
6318 | bfd_size_type amt = sizeof (*p); | |
2293c499 | 6319 | p = bfd_alloc (htab->root.dynobj, amt); |
37c644f2 | 6320 | if (p == NULL) |
b34976b6 | 6321 | return FALSE; |
067653c5 AM |
6322 | p->next = *head; |
6323 | *head = p; | |
6324 | p->sec = sec; | |
6325 | p->count = 0; | |
6326 | p->pc_count = 0; | |
37c644f2 | 6327 | } |
067653c5 AM |
6328 | |
6329 | p->count += 1; | |
46e993b9 KK |
6330 | if (r_type == R_SH_REL32 |
6331 | #ifdef INCLUDE_SHMEDIA | |
6332 | || r_type == R_SH_IMM_LOW16_PCREL | |
6333 | || r_type == R_SH_IMM_MEDLOW16_PCREL | |
6334 | || r_type == R_SH_IMM_MEDHI16_PCREL | |
6335 | || r_type == R_SH_IMM_HI16_PCREL | |
6336 | #endif | |
6337 | ) | |
067653c5 | 6338 | p->pc_count += 1; |
37c644f2 AO |
6339 | } |
6340 | ||
8e45593f NC |
6341 | /* Allocate the fixup regardless of whether we need a relocation. |
6342 | If we end up generating the relocation, we'll unallocate the | |
6343 | fixup. */ | |
0e1862bb | 6344 | if (htab->fdpic_p && !bfd_link_pic (info) |
8e45593f NC |
6345 | && r_type == R_SH_DIR32 |
6346 | && (sec->flags & SEC_ALLOC) != 0) | |
6347 | htab->srofixup->size += 4; | |
37c644f2 | 6348 | break; |
3376eaf5 KK |
6349 | |
6350 | case R_SH_TLS_LE_32: | |
3cbc1e5e | 6351 | if (bfd_link_dll (info)) |
3376eaf5 | 6352 | { |
4eca0228 | 6353 | _bfd_error_handler |
d003868e AM |
6354 | (_("%B: TLS local exec code cannot be linked into shared objects"), |
6355 | abfd); | |
b34976b6 | 6356 | return FALSE; |
3376eaf5 KK |
6357 | } |
6358 | ||
267fb3c1 | 6359 | break; |
3376eaf5 | 6360 | |
3376eaf5 | 6361 | case R_SH_TLS_LDO_32: |
267fb3c1 | 6362 | /* Nothing to do. */ |
3376eaf5 KK |
6363 | break; |
6364 | ||
6365 | default: | |
6366 | break; | |
435b1e90 | 6367 | } |
252b5132 | 6368 | } |
435b1e90 | 6369 | |
b34976b6 | 6370 | return TRUE; |
252b5132 RH |
6371 | } |
6372 | ||
fbca6ad9 | 6373 | #ifndef sh_elf_set_mach_from_flags |
f6f9408f JR |
6374 | static unsigned int sh_ef_bfd_table[] = { EF_SH_BFD_TABLE }; |
6375 | ||
b34976b6 | 6376 | static bfd_boolean |
09fd220b | 6377 | sh_elf_set_mach_from_flags (bfd *abfd) |
d4845d57 | 6378 | { |
f6f9408f JR |
6379 | flagword flags = elf_elfheader (abfd)->e_flags & EF_SH_MACH_MASK; |
6380 | ||
6381 | if (flags >= sizeof(sh_ef_bfd_table)) | |
6382 | return FALSE; | |
6383 | ||
6384 | if (sh_ef_bfd_table[flags] == 0) | |
6385 | return FALSE; | |
68ffbac6 | 6386 | |
f6f9408f | 6387 | bfd_default_set_arch_mach (abfd, bfd_arch_sh, sh_ef_bfd_table[flags]); |
d4845d57 | 6388 | |
b34976b6 | 6389 | return TRUE; |
d4845d57 | 6390 | } |
f6f9408f JR |
6391 | |
6392 | ||
6393 | /* Reverse table lookup for sh_ef_bfd_table[]. | |
6394 | Given a bfd MACH value from archures.c | |
6395 | return the equivalent ELF flags from the table. | |
6396 | Return -1 if no match is found. */ | |
6397 | ||
6398 | int | |
6399 | sh_elf_get_flags_from_mach (unsigned long mach) | |
6400 | { | |
4195f552 | 6401 | int i = ARRAY_SIZE (sh_ef_bfd_table) - 1; |
68ffbac6 | 6402 | |
f6f9408f JR |
6403 | for (; i>0; i--) |
6404 | if (sh_ef_bfd_table[i] == mach) | |
6405 | return i; | |
68ffbac6 | 6406 | |
f6f9408f JR |
6407 | /* shouldn't get here */ |
6408 | BFD_FAIL(); | |
6409 | ||
6410 | return -1; | |
6411 | } | |
fbca6ad9 | 6412 | #endif /* not sh_elf_set_mach_from_flags */ |
d4845d57 | 6413 | |
fbca6ad9 | 6414 | #ifndef sh_elf_copy_private_data |
d4845d57 | 6415 | /* Copy backend specific data from one object module to another */ |
435b1e90 | 6416 | |
b34976b6 | 6417 | static bfd_boolean |
09fd220b | 6418 | sh_elf_copy_private_data (bfd * ibfd, bfd * obfd) |
d4845d57 | 6419 | { |
0ffa91dd NC |
6420 | if (! is_sh_elf (ibfd) || ! is_sh_elf (obfd)) |
6421 | return TRUE; | |
6422 | ||
e2349352 L |
6423 | if (! _bfd_elf_copy_private_bfd_data (ibfd, obfd)) |
6424 | return FALSE; | |
6425 | ||
6426 | return sh_elf_set_mach_from_flags (obfd); | |
d4845d57 | 6427 | } |
fbca6ad9 | 6428 | #endif /* not sh_elf_copy_private_data */ |
d4845d57 | 6429 | |
fbca6ad9 | 6430 | #ifndef sh_elf_merge_private_data |
d4845d57 | 6431 | |
f6f9408f JR |
6432 | /* This function returns the ELF architecture number that |
6433 | corresponds to the given arch_sh* flags. */ | |
85fbca6a | 6434 | |
f6f9408f JR |
6435 | int |
6436 | sh_find_elf_flags (unsigned int arch_set) | |
d4845d57 | 6437 | { |
85fbca6a | 6438 | extern unsigned long sh_get_bfd_mach_from_arch_set (unsigned int); |
f6f9408f | 6439 | unsigned long bfd_mach = sh_get_bfd_mach_from_arch_set (arch_set); |
d4845d57 | 6440 | |
f6f9408f JR |
6441 | return sh_elf_get_flags_from_mach (bfd_mach); |
6442 | } | |
f6f9408f | 6443 | |
1047201f AM |
6444 | /* Merge the architecture type of two BFD files, such that the |
6445 | resultant architecture supports all the features required | |
6446 | by the two input BFDs. | |
6447 | If the input BFDs are multually incompatible - i.e. one uses | |
6448 | DSP while the other uses FPU - or there is no known architecture | |
6449 | that fits the requirements then an error is emitted. */ | |
6450 | ||
6451 | static bfd_boolean | |
50e03d47 | 6452 | sh_merge_bfd_arch (bfd *ibfd, struct bfd_link_info *info) |
1047201f | 6453 | { |
50e03d47 | 6454 | bfd *obfd = info->output_bfd; |
1047201f AM |
6455 | unsigned int old_arch, new_arch, merged_arch; |
6456 | ||
50e03d47 | 6457 | if (! _bfd_generic_verify_endian_match (ibfd, info)) |
1047201f AM |
6458 | return FALSE; |
6459 | ||
6460 | old_arch = sh_get_arch_up_from_bfd_mach (bfd_get_mach (obfd)); | |
6461 | new_arch = sh_get_arch_up_from_bfd_mach (bfd_get_mach (ibfd)); | |
6462 | ||
6463 | merged_arch = SH_MERGE_ARCH_SET (old_arch, new_arch); | |
6464 | ||
6465 | if (!SH_VALID_CO_ARCH_SET (merged_arch)) | |
6466 | { | |
6467 | _bfd_error_handler | |
695344c0 NC |
6468 | /* xgettext:c-format */ |
6469 | (_("%B: uses %s instructions while previous modules " | |
6470 | "use %s instructions"), | |
1047201f AM |
6471 | ibfd, |
6472 | SH_ARCH_SET_HAS_DSP (new_arch) ? "dsp" : "floating point", | |
6473 | SH_ARCH_SET_HAS_DSP (new_arch) ? "floating point" : "dsp"); | |
6474 | bfd_set_error (bfd_error_bad_value); | |
6475 | return FALSE; | |
6476 | } | |
6477 | else if (!SH_VALID_ARCH_SET (merged_arch)) | |
6478 | { | |
6479 | _bfd_error_handler | |
695344c0 NC |
6480 | /* xgettext:c-format */ |
6481 | (_("internal error: merge of architecture '%s' with " | |
6482 | "architecture '%s' produced unknown architecture"), | |
1047201f AM |
6483 | bfd_printable_name (obfd), |
6484 | bfd_printable_name (ibfd)); | |
6485 | bfd_set_error (bfd_error_bad_value); | |
6486 | return FALSE; | |
6487 | } | |
6488 | ||
6489 | bfd_default_set_arch_mach (obfd, bfd_arch_sh, | |
6490 | sh_get_bfd_mach_from_arch_set (merged_arch)); | |
6491 | ||
6492 | return TRUE; | |
6493 | } | |
6494 | ||
f6f9408f JR |
6495 | /* This routine initialises the elf flags when required and |
6496 | calls sh_merge_bfd_arch() to check dsp/fpu compatibility. */ | |
d4845d57 | 6497 | |
f6f9408f | 6498 | static bfd_boolean |
50e03d47 | 6499 | sh_elf_merge_private_data (bfd *ibfd, struct bfd_link_info *info) |
f6f9408f | 6500 | { |
50e03d47 | 6501 | bfd *obfd = info->output_bfd; |
85fbca6a | 6502 | |
0ffa91dd | 6503 | if (! is_sh_elf (ibfd) || ! is_sh_elf (obfd)) |
b34976b6 | 6504 | return TRUE; |
d4845d57 JR |
6505 | |
6506 | if (! elf_flags_init (obfd)) | |
6507 | { | |
a39b79b9 | 6508 | /* This happens when ld starts out with a 'blank' output file. */ |
b34976b6 | 6509 | elf_flags_init (obfd) = TRUE; |
8e45593f | 6510 | elf_elfheader (obfd)->e_flags = elf_elfheader (ibfd)->e_flags; |
f6f9408f | 6511 | sh_elf_set_mach_from_flags (obfd); |
8e45593f | 6512 | if (elf_elfheader (obfd)->e_flags & EF_SH_FDPIC) |
fbedb42d | 6513 | elf_elfheader (obfd)->e_flags &= ~EF_SH_PIC; |
d4845d57 | 6514 | } |
d4845d57 | 6515 | |
50e03d47 | 6516 | if (! sh_merge_bfd_arch (ibfd, info)) |
1d70c7fb | 6517 | { |
695344c0 NC |
6518 | _bfd_error_handler (_("%B: uses instructions which are incompatible " |
6519 | "with instructions used in previous modules"), | |
d003868e | 6520 | ibfd); |
1d70c7fb AO |
6521 | bfd_set_error (bfd_error_bad_value); |
6522 | return FALSE; | |
6523 | } | |
f6f9408f | 6524 | |
8e45593f NC |
6525 | elf_elfheader (obfd)->e_flags &= ~EF_SH_MACH_MASK; |
6526 | elf_elfheader (obfd)->e_flags |= | |
f6f9408f | 6527 | sh_elf_get_flags_from_mach (bfd_get_mach (obfd)); |
8e45593f NC |
6528 | |
6529 | if (fdpic_object_p (ibfd) != fdpic_object_p (obfd)) | |
6530 | { | |
695344c0 | 6531 | _bfd_error_handler (_("%B: attempt to mix FDPIC and non-FDPIC objects"), |
8e45593f NC |
6532 | ibfd); |
6533 | bfd_set_error (bfd_error_bad_value); | |
6534 | return FALSE; | |
6535 | } | |
6536 | ||
f6f9408f | 6537 | return TRUE; |
d4845d57 | 6538 | } |
fbca6ad9 | 6539 | #endif /* not sh_elf_merge_private_data */ |
d4845d57 | 6540 | |
3376eaf5 KK |
6541 | /* Override the generic function because we need to store sh_elf_obj_tdata |
6542 | as the specific tdata. We set also the machine architecture from flags | |
6543 | here. */ | |
6544 | ||
b34976b6 | 6545 | static bfd_boolean |
09fd220b | 6546 | sh_elf_object_p (bfd *abfd) |
3376eaf5 | 6547 | { |
8e45593f NC |
6548 | if (! sh_elf_set_mach_from_flags (abfd)) |
6549 | return FALSE; | |
6550 | ||
6551 | return (((elf_elfheader (abfd)->e_flags & EF_SH_FDPIC) != 0) | |
6552 | == fdpic_object_p (abfd)); | |
3376eaf5 KK |
6553 | } |
6554 | ||
37c644f2 AO |
6555 | /* Finish up dynamic symbol handling. We set the contents of various |
6556 | dynamic sections here. */ | |
6557 | ||
b34976b6 | 6558 | static bfd_boolean |
09fd220b KK |
6559 | sh_elf_finish_dynamic_symbol (bfd *output_bfd, struct bfd_link_info *info, |
6560 | struct elf_link_hash_entry *h, | |
6561 | Elf_Internal_Sym *sym) | |
37c644f2 | 6562 | { |
067653c5 | 6563 | struct elf_sh_link_hash_table *htab; |
37c644f2 | 6564 | |
067653c5 | 6565 | htab = sh_elf_hash_table (info); |
4dfe6ac6 NC |
6566 | if (htab == NULL) |
6567 | return FALSE; | |
37c644f2 AO |
6568 | |
6569 | if (h->plt.offset != (bfd_vma) -1) | |
6570 | { | |
6571 | asection *splt; | |
8e45593f NC |
6572 | asection *sgotplt; |
6573 | asection *srelplt; | |
37c644f2 AO |
6574 | |
6575 | bfd_vma plt_index; | |
6576 | bfd_vma got_offset; | |
6577 | Elf_Internal_Rela rel; | |
947216bf | 6578 | bfd_byte *loc; |
8e45593f | 6579 | const struct elf_sh_plt_info *plt_info; |
37c644f2 AO |
6580 | |
6581 | /* This symbol has an entry in the procedure linkage table. Set | |
6582 | it up. */ | |
6583 | ||
6584 | BFD_ASSERT (h->dynindx != -1); | |
6585 | ||
067653c5 | 6586 | splt = htab->splt; |
8e45593f NC |
6587 | sgotplt = htab->sgotplt; |
6588 | srelplt = htab->srelplt; | |
6589 | BFD_ASSERT (splt != NULL && sgotplt != NULL && srelplt != NULL); | |
37c644f2 AO |
6590 | |
6591 | /* Get the index in the procedure linkage table which | |
6592 | corresponds to this symbol. This is the index of this symbol | |
6593 | in all the symbols for which we are making plt entries. The | |
6594 | first entry in the procedure linkage table is reserved. */ | |
55e6e397 | 6595 | plt_index = get_plt_index (htab->plt_info, h->plt.offset); |
37c644f2 | 6596 | |
8e45593f NC |
6597 | plt_info = htab->plt_info; |
6598 | if (plt_info->short_plt != NULL && plt_index <= MAX_SHORT_PLT) | |
6599 | plt_info = plt_info->short_plt; | |
6600 | ||
37c644f2 | 6601 | /* Get the offset into the .got table of the entry that |
8e45593f NC |
6602 | corresponds to this function. */ |
6603 | if (htab->fdpic_p) | |
6604 | /* The offset must be relative to the GOT symbol, twelve bytes | |
6605 | before the end of .got.plt. Each descriptor is eight | |
6606 | bytes. */ | |
6607 | got_offset = plt_index * 8 + 12 - sgotplt->size; | |
6608 | else | |
6609 | /* Each .got entry is 4 bytes. The first three are | |
6610 | reserved. */ | |
6611 | got_offset = (plt_index + 3) * 4; | |
37c644f2 | 6612 | |
fbca6ad9 | 6613 | #ifdef GOT_BIAS |
0e1862bb | 6614 | if (bfd_link_pic (info)) |
c8614e8e | 6615 | got_offset -= GOT_BIAS; |
fbca6ad9 AO |
6616 | #endif |
6617 | ||
37c644f2 | 6618 | /* Fill in the entry in the procedure linkage table. */ |
55e6e397 | 6619 | memcpy (splt->contents + h->plt.offset, |
8e45593f NC |
6620 | plt_info->symbol_entry, |
6621 | plt_info->symbol_entry_size); | |
55e6e397 | 6622 | |
0e1862bb | 6623 | if (bfd_link_pic (info) || htab->fdpic_p) |
8e45593f NC |
6624 | { |
6625 | if (plt_info->symbol_fields.got20) | |
6626 | { | |
6627 | bfd_reloc_status_type r; | |
6628 | r = install_movi20_field (output_bfd, got_offset, | |
6629 | splt->owner, splt, splt->contents, | |
6630 | h->plt.offset | |
6631 | + plt_info->symbol_fields.got_entry); | |
6632 | BFD_ASSERT (r == bfd_reloc_ok); | |
6633 | } | |
6634 | else | |
6635 | install_plt_field (output_bfd, FALSE, got_offset, | |
6636 | (splt->contents | |
6637 | + h->plt.offset | |
6638 | + plt_info->symbol_fields.got_entry)); | |
6639 | } | |
55e6e397 | 6640 | else |
37c644f2 | 6641 | { |
8e45593f NC |
6642 | BFD_ASSERT (!plt_info->symbol_fields.got20); |
6643 | ||
55e6e397 | 6644 | install_plt_field (output_bfd, FALSE, |
8e45593f NC |
6645 | (sgotplt->output_section->vma |
6646 | + sgotplt->output_offset | |
fbca6ad9 | 6647 | + got_offset), |
55e6e397 RS |
6648 | (splt->contents |
6649 | + h->plt.offset | |
8e45593f | 6650 | + plt_info->symbol_fields.got_entry)); |
55e6e397 | 6651 | if (htab->vxworks_p) |
37c644f2 | 6652 | { |
55e6e397 RS |
6653 | unsigned int reachable_plts, plts_per_4k; |
6654 | int distance; | |
6655 | ||
6656 | /* Divide the PLT into groups. The first group contains | |
6657 | REACHABLE_PLTS entries and the other groups contain | |
6658 | PLTS_PER_4K entries. Entries in the first group can | |
6659 | branch directly to .plt; those in later groups branch | |
6660 | to the last element of the previous group. */ | |
6661 | /* ??? It would be better to create multiple copies of | |
6662 | the common resolver stub. */ | |
6663 | reachable_plts = ((4096 | |
8e45593f NC |
6664 | - plt_info->plt0_entry_size |
6665 | - (plt_info->symbol_fields.plt + 4)) | |
6666 | / plt_info->symbol_entry_size) + 1; | |
6667 | plts_per_4k = (4096 / plt_info->symbol_entry_size); | |
55e6e397 RS |
6668 | if (plt_index < reachable_plts) |
6669 | distance = -(h->plt.offset | |
8e45593f | 6670 | + plt_info->symbol_fields.plt); |
55e6e397 RS |
6671 | else |
6672 | distance = -(((plt_index - reachable_plts) % plts_per_4k + 1) | |
8e45593f | 6673 | * plt_info->symbol_entry_size); |
55e6e397 RS |
6674 | |
6675 | /* Install the 'bra' with this offset. */ | |
6676 | bfd_put_16 (output_bfd, | |
6677 | 0xa000 | (0x0fff & ((distance - 4) / 2)), | |
6678 | (splt->contents | |
6679 | + h->plt.offset | |
8e45593f | 6680 | + plt_info->symbol_fields.plt)); |
37c644f2 | 6681 | } |
55e6e397 RS |
6682 | else |
6683 | install_plt_field (output_bfd, TRUE, | |
6684 | splt->output_section->vma + splt->output_offset, | |
6685 | (splt->contents | |
6686 | + h->plt.offset | |
8e45593f | 6687 | + plt_info->symbol_fields.plt)); |
37c644f2 AO |
6688 | } |
6689 | ||
8e45593f | 6690 | /* Make got_offset relative to the start of .got.plt. */ |
fbca6ad9 | 6691 | #ifdef GOT_BIAS |
0e1862bb | 6692 | if (bfd_link_pic (info)) |
c8614e8e | 6693 | got_offset += GOT_BIAS; |
fbca6ad9 | 6694 | #endif |
8e45593f NC |
6695 | if (htab->fdpic_p) |
6696 | got_offset = plt_index * 8; | |
fbca6ad9 | 6697 | |
8e45593f NC |
6698 | if (plt_info->symbol_fields.reloc_offset != MINUS_ONE) |
6699 | install_plt_field (output_bfd, FALSE, | |
6700 | plt_index * sizeof (Elf32_External_Rela), | |
6701 | (splt->contents | |
6702 | + h->plt.offset | |
6703 | + plt_info->symbol_fields.reloc_offset)); | |
37c644f2 AO |
6704 | |
6705 | /* Fill in the entry in the global offset table. */ | |
6706 | bfd_put_32 (output_bfd, | |
6707 | (splt->output_section->vma | |
6708 | + splt->output_offset | |
6709 | + h->plt.offset | |
8e45593f NC |
6710 | + plt_info->symbol_resolve_offset), |
6711 | sgotplt->contents + got_offset); | |
6712 | if (htab->fdpic_p) | |
6713 | bfd_put_32 (output_bfd, | |
6714 | sh_elf_osec_to_segment (output_bfd, | |
6715 | htab->splt->output_section), | |
6716 | sgotplt->contents + got_offset + 4); | |
37c644f2 AO |
6717 | |
6718 | /* Fill in the entry in the .rela.plt section. */ | |
8e45593f NC |
6719 | rel.r_offset = (sgotplt->output_section->vma |
6720 | + sgotplt->output_offset | |
37c644f2 | 6721 | + got_offset); |
8e45593f NC |
6722 | if (htab->fdpic_p) |
6723 | rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_FUNCDESC_VALUE); | |
6724 | else | |
6725 | rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_JMP_SLOT); | |
37c644f2 | 6726 | rel.r_addend = 0; |
fbca6ad9 AO |
6727 | #ifdef GOT_BIAS |
6728 | rel.r_addend = GOT_BIAS; | |
6729 | #endif | |
8e45593f | 6730 | loc = srelplt->contents + plt_index * sizeof (Elf32_External_Rela); |
947216bf | 6731 | bfd_elf32_swap_reloca_out (output_bfd, &rel, loc); |
37c644f2 | 6732 | |
0e1862bb | 6733 | if (htab->vxworks_p && !bfd_link_pic (info)) |
55e6e397 RS |
6734 | { |
6735 | /* Create the .rela.plt.unloaded relocations for this PLT entry. | |
6736 | Begin by pointing LOC to the first such relocation. */ | |
6737 | loc = (htab->srelplt2->contents | |
6738 | + (plt_index * 2 + 1) * sizeof (Elf32_External_Rela)); | |
6739 | ||
6740 | /* Create a .rela.plt.unloaded R_SH_DIR32 relocation | |
6741 | for the PLT entry's pointer to the .got.plt entry. */ | |
6742 | rel.r_offset = (htab->splt->output_section->vma | |
6743 | + htab->splt->output_offset | |
6744 | + h->plt.offset | |
8e45593f | 6745 | + plt_info->symbol_fields.got_entry); |
55e6e397 RS |
6746 | rel.r_info = ELF32_R_INFO (htab->root.hgot->indx, R_SH_DIR32); |
6747 | rel.r_addend = got_offset; | |
6748 | bfd_elf32_swap_reloca_out (output_bfd, &rel, loc); | |
6749 | loc += sizeof (Elf32_External_Rela); | |
6750 | ||
6751 | /* Create a .rela.plt.unloaded R_SH_DIR32 relocation for | |
6752 | the .got.plt entry, which initially points to .plt. */ | |
8e45593f NC |
6753 | rel.r_offset = (sgotplt->output_section->vma |
6754 | + sgotplt->output_offset | |
55e6e397 RS |
6755 | + got_offset); |
6756 | rel.r_info = ELF32_R_INFO (htab->root.hplt->indx, R_SH_DIR32); | |
6757 | rel.r_addend = 0; | |
6758 | bfd_elf32_swap_reloc_out (output_bfd, &rel, loc); | |
6759 | } | |
6760 | ||
f5385ebf | 6761 | if (!h->def_regular) |
37c644f2 AO |
6762 | { |
6763 | /* Mark the symbol as undefined, rather than as defined in | |
6764 | the .plt section. Leave the value alone. */ | |
6765 | sym->st_shndx = SHN_UNDEF; | |
6766 | } | |
6767 | } | |
6768 | ||
3376eaf5 | 6769 | if (h->got.offset != (bfd_vma) -1 |
8e45593f NC |
6770 | && sh_elf_hash_entry (h)->got_type != GOT_TLS_GD |
6771 | && sh_elf_hash_entry (h)->got_type != GOT_TLS_IE | |
6772 | && sh_elf_hash_entry (h)->got_type != GOT_FUNCDESC) | |
37c644f2 AO |
6773 | { |
6774 | asection *sgot; | |
8e45593f | 6775 | asection *srelgot; |
37c644f2 | 6776 | Elf_Internal_Rela rel; |
947216bf | 6777 | bfd_byte *loc; |
37c644f2 AO |
6778 | |
6779 | /* This symbol has an entry in the global offset table. Set it | |
6780 | up. */ | |
6781 | ||
067653c5 | 6782 | sgot = htab->sgot; |
8e45593f NC |
6783 | srelgot = htab->srelgot; |
6784 | BFD_ASSERT (sgot != NULL && srelgot != NULL); | |
37c644f2 AO |
6785 | |
6786 | rel.r_offset = (sgot->output_section->vma | |
6787 | + sgot->output_offset | |
dc810e39 | 6788 | + (h->got.offset &~ (bfd_vma) 1)); |
37c644f2 | 6789 | |
067653c5 AM |
6790 | /* If this is a static link, or it is a -Bsymbolic link and the |
6791 | symbol is defined locally or was forced to be local because | |
6792 | of a version file, we just want to emit a RELATIVE reloc. | |
37c644f2 AO |
6793 | The entry in the global offset table will already have been |
6794 | initialized in the relocate_section function. */ | |
0e1862bb | 6795 | if (bfd_link_pic (info) |
3d85aebe | 6796 | && SYMBOL_REFERENCES_LOCAL (info, h)) |
37c644f2 | 6797 | { |
8e45593f NC |
6798 | if (htab->fdpic_p) |
6799 | { | |
6800 | asection *sec = h->root.u.def.section; | |
6801 | int dynindx | |
6802 | = elf_section_data (sec->output_section)->dynindx; | |
6803 | ||
6804 | rel.r_info = ELF32_R_INFO (dynindx, R_SH_DIR32); | |
6805 | rel.r_addend = (h->root.u.def.value | |
6806 | + h->root.u.def.section->output_offset); | |
6807 | } | |
6808 | else | |
6809 | { | |
6810 | rel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE); | |
6811 | rel.r_addend = (h->root.u.def.value | |
6812 | + h->root.u.def.section->output_section->vma | |
6813 | + h->root.u.def.section->output_offset); | |
6814 | } | |
37c644f2 AO |
6815 | } |
6816 | else | |
6817 | { | |
6818 | bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset); | |
6819 | rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_GLOB_DAT); | |
6820 | rel.r_addend = 0; | |
6821 | } | |
6822 | ||
8e45593f NC |
6823 | loc = srelgot->contents; |
6824 | loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela); | |
947216bf | 6825 | bfd_elf32_swap_reloca_out (output_bfd, &rel, loc); |
37c644f2 AO |
6826 | } |
6827 | ||
396a6083 SC |
6828 | #ifdef INCLUDE_SHMEDIA |
6829 | { | |
6830 | struct elf_sh_link_hash_entry *eh; | |
6831 | ||
6832 | eh = (struct elf_sh_link_hash_entry *) h; | |
6833 | if (eh->datalabel_got.offset != (bfd_vma) -1) | |
6834 | { | |
6835 | asection *sgot; | |
8e45593f | 6836 | asection *srelgot; |
396a6083 | 6837 | Elf_Internal_Rela rel; |
947216bf | 6838 | bfd_byte *loc; |
396a6083 SC |
6839 | |
6840 | /* This symbol has a datalabel entry in the global offset table. | |
6841 | Set it up. */ | |
6842 | ||
6843 | sgot = htab->sgot; | |
8e45593f NC |
6844 | srelgot = htab->srelgot; |
6845 | BFD_ASSERT (sgot != NULL && srelgot != NULL); | |
396a6083 SC |
6846 | |
6847 | rel.r_offset = (sgot->output_section->vma | |
6848 | + sgot->output_offset | |
6849 | + (eh->datalabel_got.offset &~ (bfd_vma) 1)); | |
6850 | ||
6851 | /* If this is a static link, or it is a -Bsymbolic link and the | |
6852 | symbol is defined locally or was forced to be local because | |
6853 | of a version file, we just want to emit a RELATIVE reloc. | |
6854 | The entry in the global offset table will already have been | |
6855 | initialized in the relocate_section function. */ | |
0e1862bb | 6856 | if (bfd_link_pic (info) |
3d85aebe | 6857 | && SYMBOL_REFERENCES_LOCAL (info, h)) |
396a6083 | 6858 | { |
8e45593f NC |
6859 | if (htab->fdpic_p) |
6860 | { | |
6861 | asection *sec = h->root.u.def.section; | |
6862 | int dynindx | |
6863 | = elf_section_data (sec->output_section)->dynindx; | |
6864 | ||
6865 | rel.r_info = ELF32_R_INFO (dynindx, R_SH_DIR32); | |
6866 | rel.r_addend = (h->root.u.def.value | |
6867 | + h->root.u.def.section->output_offset); | |
6868 | } | |
6869 | else | |
6870 | { | |
6871 | rel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE); | |
6872 | rel.r_addend = (h->root.u.def.value | |
6873 | + h->root.u.def.section->output_section->vma | |
6874 | + h->root.u.def.section->output_offset); | |
6875 | } | |
396a6083 SC |
6876 | } |
6877 | else | |
6878 | { | |
6879 | bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents | |
6880 | + eh->datalabel_got.offset); | |
6881 | rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_GLOB_DAT); | |
6882 | rel.r_addend = 0; | |
6883 | } | |
6884 | ||
8e45593f NC |
6885 | loc = srelgot->contents; |
6886 | loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela); | |
947216bf | 6887 | bfd_elf32_swap_reloca_out (output_bfd, &rel, loc); |
396a6083 SC |
6888 | } |
6889 | } | |
6890 | #endif | |
6891 | ||
f5385ebf | 6892 | if (h->needs_copy) |
37c644f2 AO |
6893 | { |
6894 | asection *s; | |
6895 | Elf_Internal_Rela rel; | |
947216bf | 6896 | bfd_byte *loc; |
37c644f2 AO |
6897 | |
6898 | /* This symbol needs a copy reloc. Set it up. */ | |
6899 | ||
6900 | BFD_ASSERT (h->dynindx != -1 | |
6901 | && (h->root.type == bfd_link_hash_defined | |
6902 | || h->root.type == bfd_link_hash_defweak)); | |
6903 | ||
3d4d4302 | 6904 | s = bfd_get_linker_section (htab->root.dynobj, ".rela.bss"); |
37c644f2 AO |
6905 | BFD_ASSERT (s != NULL); |
6906 | ||
6907 | rel.r_offset = (h->root.u.def.value | |
6908 | + h->root.u.def.section->output_section->vma | |
6909 | + h->root.u.def.section->output_offset); | |
6910 | rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_COPY); | |
6911 | rel.r_addend = 0; | |
947216bf AM |
6912 | loc = s->contents + s->reloc_count++ * sizeof (Elf32_External_Rela); |
6913 | bfd_elf32_swap_reloca_out (output_bfd, &rel, loc); | |
37c644f2 AO |
6914 | } |
6915 | ||
55e6e397 RS |
6916 | /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. On VxWorks, |
6917 | _GLOBAL_OFFSET_TABLE_ is not absolute: it is relative to the | |
6918 | ".got" section. */ | |
9637f6ef | 6919 | if (h == htab->root.hdynamic |
55e6e397 | 6920 | || (!htab->vxworks_p && h == htab->root.hgot)) |
37c644f2 AO |
6921 | sym->st_shndx = SHN_ABS; |
6922 | ||
b34976b6 | 6923 | return TRUE; |
37c644f2 AO |
6924 | } |
6925 | ||
6926 | /* Finish up the dynamic sections. */ | |
6927 | ||
b34976b6 | 6928 | static bfd_boolean |
09fd220b | 6929 | sh_elf_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info) |
37c644f2 | 6930 | { |
067653c5 | 6931 | struct elf_sh_link_hash_table *htab; |
8e45593f | 6932 | asection *sgotplt; |
37c644f2 AO |
6933 | asection *sdyn; |
6934 | ||
067653c5 | 6935 | htab = sh_elf_hash_table (info); |
4dfe6ac6 NC |
6936 | if (htab == NULL) |
6937 | return FALSE; | |
6938 | ||
8e45593f | 6939 | sgotplt = htab->sgotplt; |
3d4d4302 | 6940 | sdyn = bfd_get_linker_section (htab->root.dynobj, ".dynamic"); |
37c644f2 | 6941 | |
067653c5 | 6942 | if (htab->root.dynamic_sections_created) |
37c644f2 AO |
6943 | { |
6944 | asection *splt; | |
6945 | Elf32_External_Dyn *dyncon, *dynconend; | |
6946 | ||
8e45593f | 6947 | BFD_ASSERT (sgotplt != NULL && sdyn != NULL); |
37c644f2 AO |
6948 | |
6949 | dyncon = (Elf32_External_Dyn *) sdyn->contents; | |
eea6121a | 6950 | dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size); |
37c644f2 AO |
6951 | for (; dyncon < dynconend; dyncon++) |
6952 | { | |
6953 | Elf_Internal_Dyn dyn; | |
37c644f2 | 6954 | asection *s; |
067653c5 AM |
6955 | #ifdef INCLUDE_SHMEDIA |
6956 | const char *name; | |
6957 | #endif | |
37c644f2 | 6958 | |
2293c499 | 6959 | bfd_elf32_swap_dyn_in (htab->root.dynobj, dyncon, &dyn); |
37c644f2 AO |
6960 | |
6961 | switch (dyn.d_tag) | |
6962 | { | |
6963 | default: | |
7a2b07ff NS |
6964 | if (htab->vxworks_p |
6965 | && elf_vxworks_finish_dynamic_entry (output_bfd, &dyn)) | |
6966 | bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon); | |
37c644f2 AO |
6967 | break; |
6968 | ||
3b587c71 AM |
6969 | #ifdef INCLUDE_SHMEDIA |
6970 | case DT_INIT: | |
6971 | name = info->init_function; | |
6972 | goto get_sym; | |
6973 | ||
6974 | case DT_FINI: | |
6975 | name = info->fini_function; | |
6976 | get_sym: | |
6977 | if (dyn.d_un.d_val != 0) | |
6978 | { | |
067653c5 AM |
6979 | struct elf_link_hash_entry *h; |
6980 | ||
6981 | h = elf_link_hash_lookup (&htab->root, name, | |
b34976b6 | 6982 | FALSE, FALSE, TRUE); |
3b587c71 AM |
6983 | if (h != NULL && (h->other & STO_SH5_ISA32)) |
6984 | { | |
6985 | dyn.d_un.d_val |= 1; | |
6986 | bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon); | |
6987 | } | |
6988 | } | |
6989 | break; | |
6990 | #endif | |
6991 | ||
37c644f2 | 6992 | case DT_PLTGOT: |
8e45593f NC |
6993 | BFD_ASSERT (htab->root.hgot != NULL); |
6994 | s = htab->root.hgot->root.u.def.section; | |
6995 | dyn.d_un.d_ptr = htab->root.hgot->root.u.def.value | |
6996 | + s->output_section->vma + s->output_offset; | |
6997 | bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon); | |
6998 | break; | |
37c644f2 AO |
6999 | |
7000 | case DT_JMPREL: | |
067653c5 | 7001 | s = htab->srelplt->output_section; |
37c644f2 AO |
7002 | BFD_ASSERT (s != NULL); |
7003 | dyn.d_un.d_ptr = s->vma; | |
7004 | bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon); | |
7005 | break; | |
7006 | ||
7007 | case DT_PLTRELSZ: | |
067653c5 | 7008 | s = htab->srelplt->output_section; |
37c644f2 | 7009 | BFD_ASSERT (s != NULL); |
eea6121a | 7010 | dyn.d_un.d_val = s->size; |
37c644f2 AO |
7011 | bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon); |
7012 | break; | |
7013 | ||
7014 | case DT_RELASZ: | |
7015 | /* My reading of the SVR4 ABI indicates that the | |
7016 | procedure linkage table relocs (DT_JMPREL) should be | |
7017 | included in the overall relocs (DT_RELA). This is | |
7018 | what Solaris does. However, UnixWare can not handle | |
7019 | that case. Therefore, we override the DT_RELASZ entry | |
7020 | here to make it not include the JMPREL relocs. Since | |
7021 | the linker script arranges for .rela.plt to follow all | |
7022 | other relocation sections, we don't have to worry | |
7023 | about changing the DT_RELA entry. */ | |
067653c5 | 7024 | if (htab->srelplt != NULL) |
37c644f2 | 7025 | { |
067653c5 | 7026 | s = htab->srelplt->output_section; |
eea6121a | 7027 | dyn.d_un.d_val -= s->size; |
37c644f2 AO |
7028 | } |
7029 | bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon); | |
7030 | break; | |
7031 | } | |
7032 | } | |
7033 | ||
7034 | /* Fill in the first entry in the procedure linkage table. */ | |
067653c5 | 7035 | splt = htab->splt; |
55e6e397 | 7036 | if (splt && splt->size > 0 && htab->plt_info->plt0_entry) |
37c644f2 | 7037 | { |
55e6e397 RS |
7038 | unsigned int i; |
7039 | ||
7040 | memcpy (splt->contents, | |
7041 | htab->plt_info->plt0_entry, | |
7042 | htab->plt_info->plt0_entry_size); | |
7043 | for (i = 0; i < ARRAY_SIZE (htab->plt_info->plt0_got_fields); i++) | |
7044 | if (htab->plt_info->plt0_got_fields[i] != MINUS_ONE) | |
7045 | install_plt_field (output_bfd, FALSE, | |
8e45593f NC |
7046 | (sgotplt->output_section->vma |
7047 | + sgotplt->output_offset | |
55e6e397 RS |
7048 | + (i * 4)), |
7049 | (splt->contents | |
7050 | + htab->plt_info->plt0_got_fields[i])); | |
7051 | ||
7052 | if (htab->vxworks_p) | |
37c644f2 | 7053 | { |
55e6e397 RS |
7054 | /* Finalize the .rela.plt.unloaded contents. */ |
7055 | Elf_Internal_Rela rel; | |
7056 | bfd_byte *loc; | |
7057 | ||
7058 | /* Create a .rela.plt.unloaded R_SH_DIR32 relocation for the | |
7059 | first PLT entry's pointer to _GLOBAL_OFFSET_TABLE_ + 8. */ | |
7060 | loc = htab->srelplt2->contents; | |
7061 | rel.r_offset = (splt->output_section->vma | |
7062 | + splt->output_offset | |
7063 | + htab->plt_info->plt0_got_fields[2]); | |
7064 | rel.r_info = ELF32_R_INFO (htab->root.hgot->indx, R_SH_DIR32); | |
7065 | rel.r_addend = 8; | |
7066 | bfd_elf32_swap_reloca_out (output_bfd, &rel, loc); | |
7067 | loc += sizeof (Elf32_External_Rela); | |
7068 | ||
7069 | /* Fix up the remaining .rela.plt.unloaded relocations. | |
7070 | They may have the wrong symbol index for _G_O_T_ or | |
7071 | _P_L_T_ depending on the order in which symbols were | |
7072 | output. */ | |
7073 | while (loc < htab->srelplt2->contents + htab->srelplt2->size) | |
37c644f2 | 7074 | { |
55e6e397 RS |
7075 | /* The PLT entry's pointer to the .got.plt slot. */ |
7076 | bfd_elf32_swap_reloc_in (output_bfd, loc, &rel); | |
7077 | rel.r_info = ELF32_R_INFO (htab->root.hgot->indx, | |
7078 | R_SH_DIR32); | |
7079 | bfd_elf32_swap_reloc_out (output_bfd, &rel, loc); | |
7080 | loc += sizeof (Elf32_External_Rela); | |
7081 | ||
7082 | /* The .got.plt slot's pointer to .plt. */ | |
7083 | bfd_elf32_swap_reloc_in (output_bfd, loc, &rel); | |
7084 | rel.r_info = ELF32_R_INFO (htab->root.hplt->indx, | |
7085 | R_SH_DIR32); | |
7086 | bfd_elf32_swap_reloc_out (output_bfd, &rel, loc); | |
7087 | loc += sizeof (Elf32_External_Rela); | |
37c644f2 | 7088 | } |
37c644f2 AO |
7089 | } |
7090 | ||
7091 | /* UnixWare sets the entsize of .plt to 4, although that doesn't | |
7092 | really seem like the right value. */ | |
7093 | elf_section_data (splt->output_section)->this_hdr.sh_entsize = 4; | |
7094 | } | |
7095 | } | |
7096 | ||
7097 | /* Fill in the first three entries in the global offset table. */ | |
8e45593f | 7098 | if (sgotplt && sgotplt->size > 0 && !htab->fdpic_p) |
37c644f2 AO |
7099 | { |
7100 | if (sdyn == NULL) | |
8e45593f | 7101 | bfd_put_32 (output_bfd, (bfd_vma) 0, sgotplt->contents); |
37c644f2 AO |
7102 | else |
7103 | bfd_put_32 (output_bfd, | |
7104 | sdyn->output_section->vma + sdyn->output_offset, | |
8e45593f NC |
7105 | sgotplt->contents); |
7106 | bfd_put_32 (output_bfd, (bfd_vma) 0, sgotplt->contents + 4); | |
7107 | bfd_put_32 (output_bfd, (bfd_vma) 0, sgotplt->contents + 8); | |
7108 | } | |
37c644f2 | 7109 | |
8e45593f NC |
7110 | if (sgotplt && sgotplt->size > 0) |
7111 | elf_section_data (sgotplt->output_section)->this_hdr.sh_entsize = 4; | |
68ffbac6 | 7112 | |
8e45593f NC |
7113 | /* At the very end of the .rofixup section is a pointer to the GOT. */ |
7114 | if (htab->fdpic_p && htab->srofixup != NULL) | |
7115 | { | |
7116 | struct elf_link_hash_entry *hgot = htab->root.hgot; | |
7117 | bfd_vma got_value = hgot->root.u.def.value | |
7118 | + hgot->root.u.def.section->output_section->vma | |
7119 | + hgot->root.u.def.section->output_offset; | |
7120 | ||
7121 | sh_elf_add_rofixup (output_bfd, htab->srofixup, got_value); | |
7122 | ||
7123 | /* Make sure we allocated and generated the same number of fixups. */ | |
7124 | BFD_ASSERT (htab->srofixup->reloc_count * 4 == htab->srofixup->size); | |
067653c5 | 7125 | } |
37c644f2 | 7126 | |
8e45593f NC |
7127 | if (htab->srelfuncdesc) |
7128 | BFD_ASSERT (htab->srelfuncdesc->reloc_count * sizeof (Elf32_External_Rela) | |
7129 | == htab->srelfuncdesc->size); | |
7130 | ||
7131 | if (htab->srelgot) | |
7132 | BFD_ASSERT (htab->srelgot->reloc_count * sizeof (Elf32_External_Rela) | |
7133 | == htab->srelgot->size); | |
7134 | ||
b34976b6 | 7135 | return TRUE; |
37c644f2 AO |
7136 | } |
7137 | ||
99e4ae17 | 7138 | static enum elf_reloc_type_class |
7e612e98 AM |
7139 | sh_elf_reloc_type_class (const struct bfd_link_info *info ATTRIBUTE_UNUSED, |
7140 | const asection *rel_sec ATTRIBUTE_UNUSED, | |
7141 | const Elf_Internal_Rela *rela) | |
99e4ae17 | 7142 | { |
f51e552e | 7143 | switch ((int) ELF32_R_TYPE (rela->r_info)) |
99e4ae17 AJ |
7144 | { |
7145 | case R_SH_RELATIVE: | |
7146 | return reloc_class_relative; | |
7147 | case R_SH_JMP_SLOT: | |
7148 | return reloc_class_plt; | |
7149 | case R_SH_COPY: | |
7150 | return reloc_class_copy; | |
7151 | default: | |
7152 | return reloc_class_normal; | |
7153 | } | |
7154 | } | |
7155 | ||
85fbca6a | 7156 | #if !defined SH_TARGET_ALREADY_DEFINED |
571fe01f | 7157 | /* Support for Linux core dump NOTE sections. */ |
85fbca6a | 7158 | |
b34976b6 | 7159 | static bfd_boolean |
09fd220b | 7160 | elf32_shlin_grok_prstatus (bfd *abfd, Elf_Internal_Note *note) |
2bc3c89a AM |
7161 | { |
7162 | int offset; | |
eea6121a | 7163 | unsigned int size; |
2bc3c89a AM |
7164 | |
7165 | switch (note->descsz) | |
7166 | { | |
7167 | default: | |
b34976b6 | 7168 | return FALSE; |
2bc3c89a AM |
7169 | |
7170 | case 168: /* Linux/SH */ | |
7171 | /* pr_cursig */ | |
228e534f | 7172 | elf_tdata (abfd)->core->signal = bfd_get_16 (abfd, note->descdata + 12); |
2bc3c89a AM |
7173 | |
7174 | /* pr_pid */ | |
228e534f | 7175 | elf_tdata (abfd)->core->lwpid = bfd_get_32 (abfd, note->descdata + 24); |
2bc3c89a AM |
7176 | |
7177 | /* pr_reg */ | |
7178 | offset = 72; | |
eea6121a | 7179 | size = 92; |
2bc3c89a AM |
7180 | |
7181 | break; | |
7182 | } | |
7183 | ||
7184 | /* Make a ".reg/999" section. */ | |
7185 | return _bfd_elfcore_make_pseudosection (abfd, ".reg", | |
eea6121a | 7186 | size, note->descpos + offset); |
2bc3c89a AM |
7187 | } |
7188 | ||
b34976b6 | 7189 | static bfd_boolean |
09fd220b | 7190 | elf32_shlin_grok_psinfo (bfd *abfd, Elf_Internal_Note *note) |
2bc3c89a AM |
7191 | { |
7192 | switch (note->descsz) | |
7193 | { | |
7194 | default: | |
b34976b6 | 7195 | return FALSE; |
2bc3c89a AM |
7196 | |
7197 | case 124: /* Linux/SH elf_prpsinfo */ | |
228e534f | 7198 | elf_tdata (abfd)->core->program |
2bc3c89a | 7199 | = _bfd_elfcore_strndup (abfd, note->descdata + 28, 16); |
228e534f | 7200 | elf_tdata (abfd)->core->command |
2bc3c89a AM |
7201 | = _bfd_elfcore_strndup (abfd, note->descdata + 44, 80); |
7202 | } | |
7203 | ||
7204 | /* Note that for some reason, a spurious space is tacked | |
7205 | onto the end of the args in some (at least one anyway) | |
7206 | implementations, so strip it off if it exists. */ | |
7207 | ||
7208 | { | |
228e534f | 7209 | char *command = elf_tdata (abfd)->core->command; |
2bc3c89a AM |
7210 | int n = strlen (command); |
7211 | ||
7212 | if (0 < n && command[n - 1] == ' ') | |
7213 | command[n - 1] = '\0'; | |
7214 | } | |
7215 | ||
b34976b6 | 7216 | return TRUE; |
2bc3c89a | 7217 | } |
85fbca6a | 7218 | #endif /* not SH_TARGET_ALREADY_DEFINED */ |
2bc3c89a | 7219 | |
68ffbac6 | 7220 | |
1f1799d5 KK |
7221 | /* Return address for Ith PLT stub in section PLT, for relocation REL |
7222 | or (bfd_vma) -1 if it should not be included. */ | |
7223 | ||
7224 | static bfd_vma | |
7225 | sh_elf_plt_sym_val (bfd_vma i, const asection *plt, | |
7226 | const arelent *rel ATTRIBUTE_UNUSED) | |
7227 | { | |
55e6e397 RS |
7228 | const struct elf_sh_plt_info *plt_info; |
7229 | ||
7230 | plt_info = get_plt_info (plt->owner, (plt->owner->flags & DYNAMIC) != 0); | |
7231 | return plt->vma + get_plt_offset (plt_info, i); | |
1f1799d5 KK |
7232 | } |
7233 | ||
8e45593f NC |
7234 | /* Decide whether to attempt to turn absptr or lsda encodings in |
7235 | shared libraries into pcrel within the given input section. */ | |
7236 | ||
7237 | static bfd_boolean | |
7238 | sh_elf_use_relative_eh_frame (bfd *input_bfd ATTRIBUTE_UNUSED, | |
7239 | struct bfd_link_info *info, | |
7240 | asection *eh_frame_section ATTRIBUTE_UNUSED) | |
7241 | { | |
7242 | struct elf_sh_link_hash_table *htab = sh_elf_hash_table (info); | |
7243 | ||
7244 | /* We can't use PC-relative encodings in FDPIC binaries, in general. */ | |
7245 | if (htab->fdpic_p) | |
7246 | return FALSE; | |
7247 | ||
7248 | return TRUE; | |
7249 | } | |
7250 | ||
7251 | /* Adjust the contents of an eh_frame_hdr section before they're output. */ | |
7252 | ||
7253 | static bfd_byte | |
7254 | sh_elf_encode_eh_address (bfd *abfd, | |
7255 | struct bfd_link_info *info, | |
7256 | asection *osec, bfd_vma offset, | |
7257 | asection *loc_sec, bfd_vma loc_offset, | |
7258 | bfd_vma *encoded) | |
7259 | { | |
7260 | struct elf_sh_link_hash_table *htab = sh_elf_hash_table (info); | |
7261 | struct elf_link_hash_entry *h; | |
7262 | ||
7263 | if (!htab->fdpic_p) | |
7264 | return _bfd_elf_encode_eh_address (abfd, info, osec, offset, loc_sec, | |
7265 | loc_offset, encoded); | |
7266 | ||
7267 | h = htab->root.hgot; | |
7268 | BFD_ASSERT (h && h->root.type == bfd_link_hash_defined); | |
7269 | ||
7270 | if (! h || (sh_elf_osec_to_segment (abfd, osec) | |
7271 | == sh_elf_osec_to_segment (abfd, loc_sec->output_section))) | |
7272 | return _bfd_elf_encode_eh_address (abfd, info, osec, offset, | |
7273 | loc_sec, loc_offset, encoded); | |
7274 | ||
7275 | BFD_ASSERT (sh_elf_osec_to_segment (abfd, osec) | |
7276 | == (sh_elf_osec_to_segment | |
7277 | (abfd, h->root.u.def.section->output_section))); | |
7278 | ||
7279 | *encoded = osec->vma + offset | |
7280 | - (h->root.u.def.value | |
7281 | + h->root.u.def.section->output_section->vma | |
7282 | + h->root.u.def.section->output_offset); | |
7283 | ||
7284 | return DW_EH_PE_datarel | DW_EH_PE_sdata4; | |
7285 | } | |
7286 | ||
85fbca6a | 7287 | #if !defined SH_TARGET_ALREADY_DEFINED |
6d00b590 | 7288 | #define TARGET_BIG_SYM sh_elf32_vec |
252b5132 | 7289 | #define TARGET_BIG_NAME "elf32-sh" |
6d00b590 | 7290 | #define TARGET_LITTLE_SYM sh_elf32_le_vec |
252b5132 | 7291 | #define TARGET_LITTLE_NAME "elf32-shl" |
85fbca6a NC |
7292 | #endif |
7293 | ||
252b5132 | 7294 | #define ELF_ARCH bfd_arch_sh |
ae95ffa6 | 7295 | #define ELF_TARGET_ID SH_ELF_DATA |
252b5132 | 7296 | #define ELF_MACHINE_CODE EM_SH |
d0facd1b NC |
7297 | #ifdef __QNXTARGET__ |
7298 | #define ELF_MAXPAGESIZE 0x1000 | |
7299 | #else | |
7300 | #define ELF_MAXPAGESIZE 0x80 | |
7301 | #endif | |
252b5132 RH |
7302 | |
7303 | #define elf_symbol_leading_char '_' | |
7304 | ||
7305 | #define bfd_elf32_bfd_reloc_type_lookup sh_elf_reloc_type_lookup | |
157090f7 AM |
7306 | #define bfd_elf32_bfd_reloc_name_lookup \ |
7307 | sh_elf_reloc_name_lookup | |
252b5132 RH |
7308 | #define elf_info_to_howto sh_elf_info_to_howto |
7309 | #define bfd_elf32_bfd_relax_section sh_elf_relax_section | |
7310 | #define elf_backend_relocate_section sh_elf_relocate_section | |
7311 | #define bfd_elf32_bfd_get_relocated_section_contents \ | |
7312 | sh_elf_get_relocated_section_contents | |
3376eaf5 KK |
7313 | #define bfd_elf32_mkobject sh_elf_mkobject |
7314 | #define elf_backend_object_p sh_elf_object_p | |
d4845d57 JR |
7315 | #define bfd_elf32_bfd_copy_private_bfd_data \ |
7316 | sh_elf_copy_private_data | |
875f7f69 | 7317 | #define bfd_elf32_bfd_merge_private_bfd_data \ |
d4845d57 | 7318 | sh_elf_merge_private_data |
252b5132 | 7319 | |
067653c5 | 7320 | #define elf_backend_gc_mark_hook sh_elf_gc_mark_hook |
067653c5 AM |
7321 | #define elf_backend_check_relocs sh_elf_check_relocs |
7322 | #define elf_backend_copy_indirect_symbol \ | |
7323 | sh_elf_copy_indirect_symbol | |
37c644f2 AO |
7324 | #define elf_backend_create_dynamic_sections \ |
7325 | sh_elf_create_dynamic_sections | |
7326 | #define bfd_elf32_bfd_link_hash_table_create \ | |
7327 | sh_elf_link_hash_table_create | |
7328 | #define elf_backend_adjust_dynamic_symbol \ | |
7329 | sh_elf_adjust_dynamic_symbol | |
55e6e397 RS |
7330 | #define elf_backend_always_size_sections \ |
7331 | sh_elf_always_size_sections | |
37c644f2 AO |
7332 | #define elf_backend_size_dynamic_sections \ |
7333 | sh_elf_size_dynamic_sections | |
8e45593f | 7334 | #define elf_backend_omit_section_dynsym sh_elf_omit_section_dynsym |
37c644f2 AO |
7335 | #define elf_backend_finish_dynamic_symbol \ |
7336 | sh_elf_finish_dynamic_symbol | |
7337 | #define elf_backend_finish_dynamic_sections \ | |
7338 | sh_elf_finish_dynamic_sections | |
99e4ae17 | 7339 | #define elf_backend_reloc_type_class sh_elf_reloc_type_class |
1f1799d5 | 7340 | #define elf_backend_plt_sym_val sh_elf_plt_sym_val |
8e45593f NC |
7341 | #define elf_backend_can_make_relative_eh_frame \ |
7342 | sh_elf_use_relative_eh_frame | |
7343 | #define elf_backend_can_make_lsda_relative_eh_frame \ | |
7344 | sh_elf_use_relative_eh_frame | |
7345 | #define elf_backend_encode_eh_address \ | |
7346 | sh_elf_encode_eh_address | |
37c644f2 | 7347 | |
04c3a755 | 7348 | #define elf_backend_stack_align 8 |
067653c5 AM |
7349 | #define elf_backend_can_gc_sections 1 |
7350 | #define elf_backend_can_refcount 1 | |
37c644f2 AO |
7351 | #define elf_backend_want_got_plt 1 |
7352 | #define elf_backend_plt_readonly 1 | |
7353 | #define elf_backend_want_plt_sym 0 | |
7354 | #define elf_backend_got_header_size 12 | |
ed71e111 | 7355 | |
85fbca6a | 7356 | #if !defined INCLUDE_SHMEDIA && !defined SH_TARGET_ALREADY_DEFINED |
2bc3c89a | 7357 | |
252b5132 | 7358 | #include "elf32-target.h" |
ed71e111 | 7359 | |
2bc3c89a AM |
7360 | /* NetBSD support. */ |
7361 | #undef TARGET_BIG_SYM | |
6d00b590 | 7362 | #define TARGET_BIG_SYM sh_elf32_nbsd_vec |
2bc3c89a AM |
7363 | #undef TARGET_BIG_NAME |
7364 | #define TARGET_BIG_NAME "elf32-sh-nbsd" | |
7365 | #undef TARGET_LITTLE_SYM | |
6d00b590 | 7366 | #define TARGET_LITTLE_SYM sh_elf32_nbsd_le_vec |
2bc3c89a AM |
7367 | #undef TARGET_LITTLE_NAME |
7368 | #define TARGET_LITTLE_NAME "elf32-shl-nbsd" | |
7369 | #undef ELF_MAXPAGESIZE | |
7370 | #define ELF_MAXPAGESIZE 0x10000 | |
24718e3b | 7371 | #undef ELF_COMMONPAGESIZE |
2bc3c89a AM |
7372 | #undef elf_symbol_leading_char |
7373 | #define elf_symbol_leading_char 0 | |
571fe01f | 7374 | #undef elf32_bed |
2bc3c89a AM |
7375 | #define elf32_bed elf32_sh_nbsd_bed |
7376 | ||
7377 | #include "elf32-target.h" | |
7378 | ||
2bc3c89a AM |
7379 | |
7380 | /* Linux support. */ | |
7381 | #undef TARGET_BIG_SYM | |
6d00b590 | 7382 | #define TARGET_BIG_SYM sh_elf32_linux_be_vec |
2bc3c89a AM |
7383 | #undef TARGET_BIG_NAME |
7384 | #define TARGET_BIG_NAME "elf32-shbig-linux" | |
7385 | #undef TARGET_LITTLE_SYM | |
6d00b590 | 7386 | #define TARGET_LITTLE_SYM sh_elf32_linux_vec |
2bc3c89a AM |
7387 | #undef TARGET_LITTLE_NAME |
7388 | #define TARGET_LITTLE_NAME "elf32-sh-linux" | |
24718e3b L |
7389 | #undef ELF_COMMONPAGESIZE |
7390 | #define ELF_COMMONPAGESIZE 0x1000 | |
2bc3c89a AM |
7391 | |
7392 | #undef elf_backend_grok_prstatus | |
7393 | #define elf_backend_grok_prstatus elf32_shlin_grok_prstatus | |
7394 | #undef elf_backend_grok_psinfo | |
7395 | #define elf_backend_grok_psinfo elf32_shlin_grok_psinfo | |
571fe01f | 7396 | #undef elf32_bed |
2bc3c89a AM |
7397 | #define elf32_bed elf32_sh_lin_bed |
7398 | ||
7399 | #include "elf32-target.h" | |
7400 | ||
8e45593f NC |
7401 | |
7402 | /* FDPIC support. */ | |
7403 | #undef TARGET_BIG_SYM | |
6d00b590 | 7404 | #define TARGET_BIG_SYM sh_elf32_fdpic_be_vec |
8e45593f NC |
7405 | #undef TARGET_BIG_NAME |
7406 | #define TARGET_BIG_NAME "elf32-shbig-fdpic" | |
7407 | #undef TARGET_LITTLE_SYM | |
6d00b590 | 7408 | #define TARGET_LITTLE_SYM sh_elf32_fdpic_le_vec |
8e45593f NC |
7409 | #undef TARGET_LITTLE_NAME |
7410 | #define TARGET_LITTLE_NAME "elf32-sh-fdpic" | |
8e45593f NC |
7411 | |
7412 | #undef elf32_bed | |
7413 | #define elf32_bed elf32_sh_fd_bed | |
7414 | ||
7415 | #include "elf32-target.h" | |
7416 | ||
7417 | #undef elf_backend_modify_program_headers | |
7418 | ||
7419 | /* VxWorks support. */ | |
55e6e397 | 7420 | #undef TARGET_BIG_SYM |
6d00b590 | 7421 | #define TARGET_BIG_SYM sh_elf32_vxworks_vec |
55e6e397 RS |
7422 | #undef TARGET_BIG_NAME |
7423 | #define TARGET_BIG_NAME "elf32-sh-vxworks" | |
7424 | #undef TARGET_LITTLE_SYM | |
6d00b590 | 7425 | #define TARGET_LITTLE_SYM sh_elf32_vxworks_le_vec |
55e6e397 RS |
7426 | #undef TARGET_LITTLE_NAME |
7427 | #define TARGET_LITTLE_NAME "elf32-shl-vxworks" | |
7428 | #undef elf32_bed | |
7429 | #define elf32_bed elf32_sh_vxworks_bed | |
7430 | ||
7431 | #undef elf_backend_want_plt_sym | |
7432 | #define elf_backend_want_plt_sym 1 | |
7433 | #undef elf_symbol_leading_char | |
7434 | #define elf_symbol_leading_char '_' | |
7435 | #define elf_backend_want_got_underscore 1 | |
7436 | #undef elf_backend_grok_prstatus | |
7437 | #undef elf_backend_grok_psinfo | |
7438 | #undef elf_backend_add_symbol_hook | |
7439 | #define elf_backend_add_symbol_hook elf_vxworks_add_symbol_hook | |
7440 | #undef elf_backend_link_output_symbol_hook | |
7441 | #define elf_backend_link_output_symbol_hook \ | |
7442 | elf_vxworks_link_output_symbol_hook | |
7443 | #undef elf_backend_emit_relocs | |
7444 | #define elf_backend_emit_relocs elf_vxworks_emit_relocs | |
7445 | #undef elf_backend_final_write_processing | |
7446 | #define elf_backend_final_write_processing \ | |
7447 | elf_vxworks_final_write_processing | |
7448 | #undef ELF_MAXPAGESIZE | |
7449 | #define ELF_MAXPAGESIZE 0x1000 | |
7450 | #undef ELF_COMMONPAGESIZE | |
7451 | ||
7452 | #include "elf32-target.h" | |
7453 | ||
85fbca6a | 7454 | #endif /* neither INCLUDE_SHMEDIA nor SH_TARGET_ALREADY_DEFINED */ |