Commit | Line | Data |
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ef230218 | 1 | /* Renesas / SuperH SH specific support for 32-bit ELF |
22d606e9 | 2 | Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, |
ab96bf03 | 3 | 2006, 2007 Free Software Foundation, Inc. |
252b5132 RH |
4 | Contributed by Ian Lance Taylor, Cygnus Support. |
5 | ||
571fe01f | 6 | This file is part of BFD, the Binary File Descriptor library. |
252b5132 | 7 | |
571fe01f NC |
8 | This program is free software; you can redistribute it and/or modify |
9 | it under the terms of the GNU General Public License as published by | |
cd123cb7 | 10 | the Free Software Foundation; either version 3 of the License, or |
571fe01f | 11 | (at your option) any later version. |
252b5132 | 12 | |
571fe01f NC |
13 | This program is distributed in the hope that it will be useful, |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
252b5132 | 17 | |
571fe01f NC |
18 | You should have received a copy of the GNU General Public License |
19 | along with this program; if not, write to the Free Software | |
cd123cb7 NC |
20 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
21 | MA 02110-1301, USA. */ | |
252b5132 | 22 | |
252b5132 | 23 | #include "sysdep.h" |
3db64b00 | 24 | #include "bfd.h" |
252b5132 RH |
25 | #include "bfdlink.h" |
26 | #include "libbfd.h" | |
27 | #include "elf-bfd.h" | |
55e6e397 | 28 | #include "elf-vxworks.h" |
252b5132 | 29 | #include "elf/sh.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 | |
55e6e397 RS |
57 | #define MINUS_ONE ((bfd_vma) 0 - 1) |
58 | \f | |
59 | #define SH_PARTIAL32 TRUE | |
60 | #define SH_SRC_MASK32 0xffffffff | |
61 | #define SH_ELF_RELOC sh_elf_reloc | |
38b1a46c NC |
62 | static reloc_howto_type sh_elf_howto_table[] = |
63 | { | |
55e6e397 RS |
64 | #include "elf32-sh-relocs.h" |
65 | }; | |
fbca6ad9 | 66 | |
55e6e397 RS |
67 | #define SH_PARTIAL32 FALSE |
68 | #define SH_SRC_MASK32 0 | |
69 | #define SH_ELF_RELOC bfd_elf_generic_reloc | |
70 | static reloc_howto_type sh_vxworks_howto_table[] = | |
71 | { | |
72 | #include "elf32-sh-relocs.h" | |
73 | }; | |
74 | \f | |
75 | /* Return true if OUTPUT_BFD is a VxWorks object. */ | |
fbca6ad9 | 76 | |
55e6e397 | 77 | static bfd_boolean |
527a23b8 | 78 | vxworks_object_p (bfd *abfd ATTRIBUTE_UNUSED) |
55e6e397 | 79 | { |
527a23b8 | 80 | #if !defined INCLUDE_SHMEDIA && !defined SH_TARGET_ALREADY_DEFINED |
55e6e397 RS |
81 | extern const bfd_target bfd_elf32_shlvxworks_vec; |
82 | extern const bfd_target bfd_elf32_shvxworks_vec; | |
fbca6ad9 | 83 | |
55e6e397 RS |
84 | return (abfd->xvec == &bfd_elf32_shlvxworks_vec |
85 | || abfd->xvec == &bfd_elf32_shvxworks_vec); | |
527a23b8 NC |
86 | #else |
87 | return FALSE; | |
88 | #endif | |
55e6e397 | 89 | } |
fbca6ad9 | 90 | |
55e6e397 | 91 | /* Return the howto table for ABFD. */ |
fbca6ad9 | 92 | |
55e6e397 RS |
93 | static reloc_howto_type * |
94 | get_howto_table (bfd *abfd) | |
95 | { | |
96 | if (vxworks_object_p (abfd)) | |
97 | return sh_vxworks_howto_table; | |
98 | return sh_elf_howto_table; | |
99 | } | |
252b5132 | 100 | |
015551fc | 101 | static bfd_reloc_status_type |
09fd220b KK |
102 | sh_elf_reloc_loop (int r_type ATTRIBUTE_UNUSED, bfd *input_bfd, |
103 | asection *input_section, bfd_byte *contents, | |
104 | bfd_vma addr, asection *symbol_section, | |
105 | bfd_vma start, bfd_vma end) | |
015551fc JR |
106 | { |
107 | static bfd_vma last_addr; | |
00fdaf47 | 108 | static asection *last_symbol_section; |
015551fc JR |
109 | bfd_byte *start_ptr, *ptr, *last_ptr; |
110 | int diff, cum_diff; | |
111 | bfd_signed_vma x; | |
112 | int insn; | |
113 | ||
114 | /* Sanity check the address. */ | |
07515404 | 115 | if (addr > bfd_get_section_limit (input_bfd, input_section)) |
015551fc JR |
116 | return bfd_reloc_outofrange; |
117 | ||
118 | /* We require the start and end relocations to be processed consecutively - | |
119 | although we allow then to be processed forwards or backwards. */ | |
120 | if (! last_addr) | |
121 | { | |
122 | last_addr = addr; | |
123 | last_symbol_section = symbol_section; | |
124 | return bfd_reloc_ok; | |
125 | } | |
126 | if (last_addr != addr) | |
127 | abort (); | |
128 | last_addr = 0; | |
129 | ||
130 | if (! symbol_section || last_symbol_section != symbol_section || end < start) | |
131 | return bfd_reloc_outofrange; | |
132 | ||
133 | /* Get the symbol_section contents. */ | |
134 | if (symbol_section != input_section) | |
135 | { | |
136 | if (elf_section_data (symbol_section)->this_hdr.contents != NULL) | |
137 | contents = elf_section_data (symbol_section)->this_hdr.contents; | |
138 | else | |
139 | { | |
eea6121a AM |
140 | if (!bfd_malloc_and_get_section (input_bfd, symbol_section, |
141 | &contents)) | |
015551fc | 142 | { |
eea6121a AM |
143 | if (contents != NULL) |
144 | free (contents); | |
015551fc JR |
145 | return bfd_reloc_outofrange; |
146 | } | |
147 | } | |
148 | } | |
149 | #define IS_PPI(PTR) ((bfd_get_16 (input_bfd, (PTR)) & 0xfc00) == 0xf800) | |
150 | start_ptr = contents + start; | |
151 | for (cum_diff = -6, ptr = contents + end; cum_diff < 0 && ptr > start_ptr;) | |
152 | { | |
153 | for (last_ptr = ptr, ptr -= 4; ptr >= start_ptr && IS_PPI (ptr);) | |
154 | ptr -= 2; | |
155 | ptr += 2; | |
61ff1804 | 156 | diff = (last_ptr - ptr) >> 1; |
015551fc JR |
157 | cum_diff += diff & 1; |
158 | cum_diff += diff; | |
159 | } | |
160 | /* Calculate the start / end values to load into rs / re minus four - | |
161 | so that will cancel out the four we would otherwise have to add to | |
162 | addr to get the value to subtract in order to get relative addressing. */ | |
163 | if (cum_diff >= 0) | |
164 | { | |
165 | start -= 4; | |
166 | end = (ptr + cum_diff * 2) - contents; | |
167 | } | |
168 | else | |
169 | { | |
170 | bfd_vma start0 = start - 4; | |
171 | ||
a0fc8ba1 | 172 | while (start0 && IS_PPI (contents + start0)) |
015551fc JR |
173 | start0 -= 2; |
174 | start0 = start - 2 - ((start - start0) & 2); | |
175 | start = start0 - cum_diff - 2; | |
176 | end = start0; | |
177 | } | |
178 | ||
6cdc0ccc AM |
179 | if (contents != NULL |
180 | && elf_section_data (symbol_section)->this_hdr.contents != contents) | |
181 | free (contents); | |
015551fc JR |
182 | |
183 | insn = bfd_get_16 (input_bfd, contents + addr); | |
184 | ||
185 | x = (insn & 0x200 ? end : start) - addr; | |
186 | if (input_section != symbol_section) | |
187 | x += ((symbol_section->output_section->vma + symbol_section->output_offset) | |
188 | - (input_section->output_section->vma | |
189 | + input_section->output_offset)); | |
190 | x >>= 1; | |
191 | if (x < -128 || x > 127) | |
192 | return bfd_reloc_overflow; | |
193 | ||
61ff1804 | 194 | x = (insn & ~0xff) | (x & 0xff); |
dc810e39 | 195 | bfd_put_16 (input_bfd, (bfd_vma) x, contents + addr); |
015551fc JR |
196 | |
197 | return bfd_reloc_ok; | |
198 | } | |
199 | ||
200 | /* This function is used for normal relocs. This used to be like the COFF | |
252b5132 RH |
201 | function, and is almost certainly incorrect for other ELF targets. */ |
202 | ||
203 | static bfd_reloc_status_type | |
09fd220b KK |
204 | sh_elf_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol_in, |
205 | void *data, asection *input_section, bfd *output_bfd, | |
206 | char **error_message ATTRIBUTE_UNUSED) | |
252b5132 RH |
207 | { |
208 | unsigned long insn; | |
209 | bfd_vma sym_value; | |
210 | enum elf_sh_reloc_type r_type; | |
211 | bfd_vma addr = reloc_entry->address; | |
212 | bfd_byte *hit_data = addr + (bfd_byte *) data; | |
213 | ||
214 | r_type = (enum elf_sh_reloc_type) reloc_entry->howto->type; | |
215 | ||
216 | if (output_bfd != NULL) | |
217 | { | |
218 | /* Partial linking--do nothing. */ | |
219 | reloc_entry->address += input_section->output_offset; | |
220 | return bfd_reloc_ok; | |
221 | } | |
222 | ||
223 | /* Almost all relocs have to do with relaxing. If any work must be | |
224 | done for them, it has been done in sh_relax_section. */ | |
015551fc | 225 | if (r_type == R_SH_IND12W && (symbol_in->flags & BSF_LOCAL) != 0) |
252b5132 RH |
226 | return bfd_reloc_ok; |
227 | ||
228 | if (symbol_in != NULL | |
229 | && bfd_is_und_section (symbol_in->section)) | |
230 | return bfd_reloc_undefined; | |
231 | ||
232 | if (bfd_is_com_section (symbol_in->section)) | |
435b1e90 KH |
233 | sym_value = 0; |
234 | else | |
252b5132 RH |
235 | sym_value = (symbol_in->value + |
236 | symbol_in->section->output_section->vma + | |
237 | symbol_in->section->output_offset); | |
238 | ||
239 | switch (r_type) | |
240 | { | |
241 | case R_SH_DIR32: | |
242 | insn = bfd_get_32 (abfd, hit_data); | |
243 | insn += sym_value + reloc_entry->addend; | |
dc810e39 | 244 | bfd_put_32 (abfd, (bfd_vma) insn, hit_data); |
252b5132 RH |
245 | break; |
246 | case R_SH_IND12W: | |
247 | insn = bfd_get_16 (abfd, hit_data); | |
248 | sym_value += reloc_entry->addend; | |
249 | sym_value -= (input_section->output_section->vma | |
250 | + input_section->output_offset | |
251 | + addr | |
252 | + 4); | |
253 | sym_value += (insn & 0xfff) << 1; | |
254 | if (insn & 0x800) | |
255 | sym_value -= 0x1000; | |
256 | insn = (insn & 0xf000) | (sym_value & 0xfff); | |
dc810e39 | 257 | bfd_put_16 (abfd, (bfd_vma) insn, hit_data); |
252b5132 RH |
258 | if (sym_value < (bfd_vma) -0x1000 || sym_value >= 0x1000) |
259 | return bfd_reloc_overflow; | |
260 | break; | |
261 | default: | |
262 | abort (); | |
263 | break; | |
264 | } | |
265 | ||
266 | return bfd_reloc_ok; | |
267 | } | |
268 | ||
269 | /* This function is used for relocs which are only used for relaxing, | |
270 | which the linker should otherwise ignore. */ | |
271 | ||
272 | static bfd_reloc_status_type | |
09fd220b KK |
273 | sh_elf_ignore_reloc (bfd *abfd ATTRIBUTE_UNUSED, arelent *reloc_entry, |
274 | asymbol *symbol ATTRIBUTE_UNUSED, | |
275 | void *data ATTRIBUTE_UNUSED, asection *input_section, | |
276 | bfd *output_bfd, | |
277 | char **error_message ATTRIBUTE_UNUSED) | |
252b5132 RH |
278 | { |
279 | if (output_bfd != NULL) | |
280 | reloc_entry->address += input_section->output_offset; | |
281 | return bfd_reloc_ok; | |
282 | } | |
283 | ||
284 | /* This structure is used to map BFD reloc codes to SH ELF relocs. */ | |
285 | ||
38b1a46c NC |
286 | struct elf_reloc_map |
287 | { | |
252b5132 RH |
288 | bfd_reloc_code_real_type bfd_reloc_val; |
289 | unsigned char elf_reloc_val; | |
290 | }; | |
291 | ||
292 | /* An array mapping BFD reloc codes to SH ELF relocs. */ | |
293 | ||
38b1a46c NC |
294 | static const struct elf_reloc_map sh_reloc_map[] = |
295 | { | |
252b5132 RH |
296 | { BFD_RELOC_NONE, R_SH_NONE }, |
297 | { BFD_RELOC_32, R_SH_DIR32 }, | |
d38eb334 DD |
298 | { BFD_RELOC_16, R_SH_DIR16 }, |
299 | { BFD_RELOC_8, R_SH_DIR8 }, | |
252b5132 RH |
300 | { BFD_RELOC_CTOR, R_SH_DIR32 }, |
301 | { BFD_RELOC_32_PCREL, R_SH_REL32 }, | |
302 | { BFD_RELOC_SH_PCDISP8BY2, R_SH_DIR8WPN }, | |
303 | { BFD_RELOC_SH_PCDISP12BY2, R_SH_IND12W }, | |
304 | { BFD_RELOC_SH_PCRELIMM8BY2, R_SH_DIR8WPZ }, | |
305 | { BFD_RELOC_SH_PCRELIMM8BY4, R_SH_DIR8WPL }, | |
306 | { BFD_RELOC_8_PCREL, R_SH_SWITCH8 }, | |
307 | { BFD_RELOC_SH_SWITCH16, R_SH_SWITCH16 }, | |
308 | { BFD_RELOC_SH_SWITCH32, R_SH_SWITCH32 }, | |
309 | { BFD_RELOC_SH_USES, R_SH_USES }, | |
310 | { BFD_RELOC_SH_COUNT, R_SH_COUNT }, | |
311 | { BFD_RELOC_SH_ALIGN, R_SH_ALIGN }, | |
312 | { BFD_RELOC_SH_CODE, R_SH_CODE }, | |
313 | { BFD_RELOC_SH_DATA, R_SH_DATA }, | |
314 | { BFD_RELOC_SH_LABEL, R_SH_LABEL }, | |
315 | { BFD_RELOC_VTABLE_INHERIT, R_SH_GNU_VTINHERIT }, | |
316 | { BFD_RELOC_VTABLE_ENTRY, R_SH_GNU_VTENTRY }, | |
015551fc JR |
317 | { BFD_RELOC_SH_LOOP_START, R_SH_LOOP_START }, |
318 | { BFD_RELOC_SH_LOOP_END, R_SH_LOOP_END }, | |
3376eaf5 KK |
319 | { BFD_RELOC_SH_TLS_GD_32, R_SH_TLS_GD_32 }, |
320 | { BFD_RELOC_SH_TLS_LD_32, R_SH_TLS_LD_32 }, | |
321 | { BFD_RELOC_SH_TLS_LDO_32, R_SH_TLS_LDO_32 }, | |
322 | { BFD_RELOC_SH_TLS_IE_32, R_SH_TLS_IE_32 }, | |
323 | { BFD_RELOC_SH_TLS_LE_32, R_SH_TLS_LE_32 }, | |
324 | { BFD_RELOC_SH_TLS_DTPMOD32, R_SH_TLS_DTPMOD32 }, | |
325 | { BFD_RELOC_SH_TLS_DTPOFF32, R_SH_TLS_DTPOFF32 }, | |
326 | { BFD_RELOC_SH_TLS_TPOFF32, R_SH_TLS_TPOFF32 }, | |
37c644f2 AO |
327 | { BFD_RELOC_32_GOT_PCREL, R_SH_GOT32 }, |
328 | { BFD_RELOC_32_PLT_PCREL, R_SH_PLT32 }, | |
329 | { BFD_RELOC_SH_COPY, R_SH_COPY }, | |
330 | { BFD_RELOC_SH_GLOB_DAT, R_SH_GLOB_DAT }, | |
331 | { BFD_RELOC_SH_JMP_SLOT, R_SH_JMP_SLOT }, | |
332 | { BFD_RELOC_SH_RELATIVE, R_SH_RELATIVE }, | |
333 | { BFD_RELOC_32_GOTOFF, R_SH_GOTOFF }, | |
334 | { BFD_RELOC_SH_GOTPC, R_SH_GOTPC }, | |
fbca6ad9 AO |
335 | { BFD_RELOC_SH_GOTPLT32, R_SH_GOTPLT32 }, |
336 | #ifdef INCLUDE_SHMEDIA | |
337 | { BFD_RELOC_SH_GOT_LOW16, R_SH_GOT_LOW16 }, | |
338 | { BFD_RELOC_SH_GOT_MEDLOW16, R_SH_GOT_MEDLOW16 }, | |
339 | { BFD_RELOC_SH_GOT_MEDHI16, R_SH_GOT_MEDHI16 }, | |
340 | { BFD_RELOC_SH_GOT_HI16, R_SH_GOT_HI16 }, | |
341 | { BFD_RELOC_SH_GOTPLT_LOW16, R_SH_GOTPLT_LOW16 }, | |
342 | { BFD_RELOC_SH_GOTPLT_MEDLOW16, R_SH_GOTPLT_MEDLOW16 }, | |
343 | { BFD_RELOC_SH_GOTPLT_MEDHI16, R_SH_GOTPLT_MEDHI16 }, | |
344 | { BFD_RELOC_SH_GOTPLT_HI16, R_SH_GOTPLT_HI16 }, | |
345 | { BFD_RELOC_SH_PLT_LOW16, R_SH_PLT_LOW16 }, | |
346 | { BFD_RELOC_SH_PLT_MEDLOW16, R_SH_PLT_MEDLOW16 }, | |
347 | { BFD_RELOC_SH_PLT_MEDHI16, R_SH_PLT_MEDHI16 }, | |
348 | { BFD_RELOC_SH_PLT_HI16, R_SH_PLT_HI16 }, | |
349 | { BFD_RELOC_SH_GOTOFF_LOW16, R_SH_GOTOFF_LOW16 }, | |
350 | { BFD_RELOC_SH_GOTOFF_MEDLOW16, R_SH_GOTOFF_MEDLOW16 }, | |
351 | { BFD_RELOC_SH_GOTOFF_MEDHI16, R_SH_GOTOFF_MEDHI16 }, | |
352 | { BFD_RELOC_SH_GOTOFF_HI16, R_SH_GOTOFF_HI16 }, | |
353 | { BFD_RELOC_SH_GOTPC_LOW16, R_SH_GOTPC_LOW16 }, | |
354 | { BFD_RELOC_SH_GOTPC_MEDLOW16, R_SH_GOTPC_MEDLOW16 }, | |
355 | { BFD_RELOC_SH_GOTPC_MEDHI16, R_SH_GOTPC_MEDHI16 }, | |
356 | { BFD_RELOC_SH_GOTPC_HI16, R_SH_GOTPC_HI16 }, | |
357 | { BFD_RELOC_SH_COPY64, R_SH_COPY64 }, | |
358 | { BFD_RELOC_SH_GLOB_DAT64, R_SH_GLOB_DAT64 }, | |
359 | { BFD_RELOC_SH_JMP_SLOT64, R_SH_JMP_SLOT64 }, | |
360 | { BFD_RELOC_SH_RELATIVE64, R_SH_RELATIVE64 }, | |
361 | { BFD_RELOC_SH_GOT10BY4, R_SH_GOT10BY4 }, | |
362 | { BFD_RELOC_SH_GOT10BY8, R_SH_GOT10BY8 }, | |
363 | { BFD_RELOC_SH_GOTPLT10BY4, R_SH_GOTPLT10BY4 }, | |
364 | { BFD_RELOC_SH_GOTPLT10BY8, R_SH_GOTPLT10BY8 }, | |
365 | { BFD_RELOC_SH_PT_16, R_SH_PT_16 }, | |
366 | { BFD_RELOC_SH_SHMEDIA_CODE, R_SH_SHMEDIA_CODE }, | |
367 | { BFD_RELOC_SH_IMMU5, R_SH_DIR5U }, | |
368 | { BFD_RELOC_SH_IMMS6, R_SH_DIR6S }, | |
369 | { BFD_RELOC_SH_IMMU6, R_SH_DIR6U }, | |
370 | { BFD_RELOC_SH_IMMS10, R_SH_DIR10S }, | |
371 | { BFD_RELOC_SH_IMMS10BY2, R_SH_DIR10SW }, | |
372 | { BFD_RELOC_SH_IMMS10BY4, R_SH_DIR10SL }, | |
373 | { BFD_RELOC_SH_IMMS10BY8, R_SH_DIR10SQ }, | |
374 | { BFD_RELOC_SH_IMMS16, R_SH_IMMS16 }, | |
375 | { BFD_RELOC_SH_IMMU16, R_SH_IMMU16 }, | |
376 | { BFD_RELOC_SH_IMM_LOW16, R_SH_IMM_LOW16 }, | |
377 | { BFD_RELOC_SH_IMM_LOW16_PCREL, R_SH_IMM_LOW16_PCREL }, | |
378 | { BFD_RELOC_SH_IMM_MEDLOW16, R_SH_IMM_MEDLOW16 }, | |
379 | { BFD_RELOC_SH_IMM_MEDLOW16_PCREL, R_SH_IMM_MEDLOW16_PCREL }, | |
380 | { BFD_RELOC_SH_IMM_MEDHI16, R_SH_IMM_MEDHI16 }, | |
381 | { BFD_RELOC_SH_IMM_MEDHI16_PCREL, R_SH_IMM_MEDHI16_PCREL }, | |
382 | { BFD_RELOC_SH_IMM_HI16, R_SH_IMM_HI16 }, | |
383 | { BFD_RELOC_SH_IMM_HI16_PCREL, R_SH_IMM_HI16_PCREL }, | |
384 | { BFD_RELOC_64, R_SH_64 }, | |
385 | { BFD_RELOC_64_PCREL, R_SH_64_PCREL }, | |
386 | #endif /* not INCLUDE_SHMEDIA */ | |
252b5132 RH |
387 | }; |
388 | ||
389 | /* Given a BFD reloc code, return the howto structure for the | |
55e6e397 | 390 | corresponding SH ELF reloc. */ |
252b5132 RH |
391 | |
392 | static reloc_howto_type * | |
55e6e397 | 393 | sh_elf_reloc_type_lookup (bfd *abfd, bfd_reloc_code_real_type code) |
252b5132 RH |
394 | { |
395 | unsigned int i; | |
396 | ||
397 | for (i = 0; i < sizeof (sh_reloc_map) / sizeof (struct elf_reloc_map); i++) | |
398 | { | |
399 | if (sh_reloc_map[i].bfd_reloc_val == code) | |
55e6e397 | 400 | return get_howto_table (abfd) + (int) sh_reloc_map[i].elf_reloc_val; |
252b5132 RH |
401 | } |
402 | ||
403 | return NULL; | |
404 | } | |
405 | ||
157090f7 AM |
406 | static reloc_howto_type * |
407 | sh_elf_reloc_name_lookup (bfd *abfd, const char *r_name) | |
408 | { | |
409 | unsigned int i; | |
410 | ||
411 | if (vxworks_object_p (abfd)) | |
412 | { | |
413 | for (i = 0; | |
414 | i < (sizeof (sh_vxworks_howto_table) | |
415 | / sizeof (sh_vxworks_howto_table[0])); | |
416 | i++) | |
417 | if (sh_vxworks_howto_table[i].name != NULL | |
418 | && strcasecmp (sh_vxworks_howto_table[i].name, r_name) == 0) | |
419 | return &sh_vxworks_howto_table[i]; | |
420 | } | |
421 | else | |
422 | { | |
423 | for (i = 0; | |
424 | i < (sizeof (sh_elf_howto_table) | |
425 | / sizeof (sh_elf_howto_table[0])); | |
426 | i++) | |
427 | if (sh_elf_howto_table[i].name != NULL | |
428 | && strcasecmp (sh_elf_howto_table[i].name, r_name) == 0) | |
429 | return &sh_elf_howto_table[i]; | |
430 | } | |
431 | ||
432 | return NULL; | |
433 | } | |
434 | ||
252b5132 RH |
435 | /* Given an ELF reloc, fill in the howto field of a relent. */ |
436 | ||
437 | static void | |
55e6e397 | 438 | sh_elf_info_to_howto (bfd *abfd, arelent *cache_ptr, Elf_Internal_Rela *dst) |
252b5132 RH |
439 | { |
440 | unsigned int r; | |
441 | ||
442 | r = ELF32_R_TYPE (dst->r_info); | |
443 | ||
444 | BFD_ASSERT (r < (unsigned int) R_SH_max); | |
445 | BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC || r > R_SH_LAST_INVALID_RELOC); | |
06bb75c1 | 446 | BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_2 || r > R_SH_LAST_INVALID_RELOC_2); |
fbca6ad9 AO |
447 | BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_3 || r > R_SH_LAST_INVALID_RELOC_3); |
448 | BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_4 || r > R_SH_LAST_INVALID_RELOC_4); | |
3376eaf5 | 449 | BFD_ASSERT (r < R_SH_FIRST_INVALID_RELOC_5 || r > R_SH_LAST_INVALID_RELOC_5); |
252b5132 | 450 | |
55e6e397 | 451 | cache_ptr->howto = get_howto_table (abfd) + r; |
252b5132 RH |
452 | } |
453 | \f | |
454 | /* This function handles relaxing for SH ELF. See the corresponding | |
455 | function in coff-sh.c for a description of what this does. FIXME: | |
456 | There is a lot of duplication here between this code and the COFF | |
457 | specific code. The format of relocs and symbols is wound deeply | |
458 | into this code, but it would still be better if the duplication | |
459 | could be eliminated somehow. Note in particular that although both | |
460 | functions use symbols like R_SH_CODE, those symbols have different | |
461 | values; in coff-sh.c they come from include/coff/sh.h, whereas here | |
462 | they come from enum elf_sh_reloc_type in include/elf/sh.h. */ | |
463 | ||
b34976b6 | 464 | static bfd_boolean |
09fd220b KK |
465 | sh_elf_relax_section (bfd *abfd, asection *sec, |
466 | struct bfd_link_info *link_info, bfd_boolean *again) | |
252b5132 RH |
467 | { |
468 | Elf_Internal_Shdr *symtab_hdr; | |
469 | Elf_Internal_Rela *internal_relocs; | |
b34976b6 | 470 | bfd_boolean have_code; |
252b5132 RH |
471 | Elf_Internal_Rela *irel, *irelend; |
472 | bfd_byte *contents = NULL; | |
6cdc0ccc | 473 | Elf_Internal_Sym *isymbuf = NULL; |
252b5132 | 474 | |
b34976b6 | 475 | *again = FALSE; |
252b5132 | 476 | |
1049f94e | 477 | if (link_info->relocatable |
252b5132 RH |
478 | || (sec->flags & SEC_RELOC) == 0 |
479 | || sec->reloc_count == 0) | |
b34976b6 | 480 | return TRUE; |
252b5132 | 481 | |
fbca6ad9 AO |
482 | #ifdef INCLUDE_SHMEDIA |
483 | if (elf_section_data (sec)->this_hdr.sh_flags | |
484 | & (SHF_SH5_ISA32 | SHF_SH5_ISA32_MIXED)) | |
485 | { | |
b34976b6 | 486 | return TRUE; |
fbca6ad9 AO |
487 | } |
488 | #endif | |
489 | ||
252b5132 RH |
490 | symtab_hdr = &elf_tdata (abfd)->symtab_hdr; |
491 | ||
45d6a902 | 492 | internal_relocs = (_bfd_elf_link_read_relocs |
09fd220b | 493 | (abfd, sec, NULL, (Elf_Internal_Rela *) NULL, |
252b5132 RH |
494 | link_info->keep_memory)); |
495 | if (internal_relocs == NULL) | |
496 | goto error_return; | |
252b5132 | 497 | |
b34976b6 | 498 | have_code = FALSE; |
252b5132 RH |
499 | |
500 | irelend = internal_relocs + sec->reloc_count; | |
501 | for (irel = internal_relocs; irel < irelend; irel++) | |
502 | { | |
503 | bfd_vma laddr, paddr, symval; | |
504 | unsigned short insn; | |
505 | Elf_Internal_Rela *irelfn, *irelscan, *irelcount; | |
506 | bfd_signed_vma foff; | |
507 | ||
508 | if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_CODE) | |
b34976b6 | 509 | have_code = TRUE; |
252b5132 RH |
510 | |
511 | if (ELF32_R_TYPE (irel->r_info) != (int) R_SH_USES) | |
512 | continue; | |
513 | ||
514 | /* Get the section contents. */ | |
515 | if (contents == NULL) | |
516 | { | |
517 | if (elf_section_data (sec)->this_hdr.contents != NULL) | |
518 | contents = elf_section_data (sec)->this_hdr.contents; | |
519 | else | |
520 | { | |
eea6121a | 521 | if (!bfd_malloc_and_get_section (abfd, sec, &contents)) |
252b5132 RH |
522 | goto error_return; |
523 | } | |
524 | } | |
525 | ||
526 | /* The r_addend field of the R_SH_USES reloc will point us to | |
067653c5 AM |
527 | the register load. The 4 is because the r_addend field is |
528 | computed as though it were a jump offset, which are based | |
529 | from 4 bytes after the jump instruction. */ | |
252b5132 | 530 | laddr = irel->r_offset + 4 + irel->r_addend; |
eea6121a | 531 | if (laddr >= sec->size) |
252b5132 | 532 | { |
d003868e AM |
533 | (*_bfd_error_handler) (_("%B: 0x%lx: warning: bad R_SH_USES offset"), |
534 | abfd, | |
252b5132 RH |
535 | (unsigned long) irel->r_offset); |
536 | continue; | |
537 | } | |
538 | insn = bfd_get_16 (abfd, contents + laddr); | |
539 | ||
540 | /* If the instruction is not mov.l NN,rN, we don't know what to | |
067653c5 | 541 | do. */ |
252b5132 RH |
542 | if ((insn & 0xf000) != 0xd000) |
543 | { | |
544 | ((*_bfd_error_handler) | |
d003868e AM |
545 | (_("%B: 0x%lx: warning: R_SH_USES points to unrecognized insn 0x%x"), |
546 | abfd, (unsigned long) irel->r_offset, insn)); | |
252b5132 RH |
547 | continue; |
548 | } | |
549 | ||
550 | /* Get the address from which the register is being loaded. The | |
99e4ae17 AJ |
551 | displacement in the mov.l instruction is quadrupled. It is a |
552 | displacement from four bytes after the movl instruction, but, | |
553 | before adding in the PC address, two least significant bits | |
554 | of the PC are cleared. We assume that the section is aligned | |
555 | on a four byte boundary. */ | |
252b5132 RH |
556 | paddr = insn & 0xff; |
557 | paddr *= 4; | |
dc810e39 | 558 | paddr += (laddr + 4) &~ (bfd_vma) 3; |
eea6121a | 559 | if (paddr >= sec->size) |
252b5132 RH |
560 | { |
561 | ((*_bfd_error_handler) | |
d003868e AM |
562 | (_("%B: 0x%lx: warning: bad R_SH_USES load offset"), |
563 | abfd, (unsigned long) irel->r_offset)); | |
252b5132 RH |
564 | continue; |
565 | } | |
566 | ||
567 | /* Get the reloc for the address from which the register is | |
067653c5 AM |
568 | being loaded. This reloc will tell us which function is |
569 | actually being called. */ | |
252b5132 RH |
570 | for (irelfn = internal_relocs; irelfn < irelend; irelfn++) |
571 | if (irelfn->r_offset == paddr | |
572 | && ELF32_R_TYPE (irelfn->r_info) == (int) R_SH_DIR32) | |
573 | break; | |
574 | if (irelfn >= irelend) | |
575 | { | |
576 | ((*_bfd_error_handler) | |
d003868e AM |
577 | (_("%B: 0x%lx: warning: could not find expected reloc"), |
578 | abfd, (unsigned long) paddr)); | |
252b5132 RH |
579 | continue; |
580 | } | |
581 | ||
582 | /* Read this BFD's symbols if we haven't done so already. */ | |
6cdc0ccc | 583 | if (isymbuf == NULL && symtab_hdr->sh_info != 0) |
252b5132 | 584 | { |
6cdc0ccc AM |
585 | isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents; |
586 | if (isymbuf == NULL) | |
587 | isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr, | |
588 | symtab_hdr->sh_info, 0, | |
589 | NULL, NULL, NULL); | |
590 | if (isymbuf == NULL) | |
591 | goto error_return; | |
252b5132 RH |
592 | } |
593 | ||
594 | /* Get the value of the symbol referred to by the reloc. */ | |
595 | if (ELF32_R_SYM (irelfn->r_info) < symtab_hdr->sh_info) | |
596 | { | |
9ad5cbcf | 597 | /* A local symbol. */ |
6cdc0ccc | 598 | Elf_Internal_Sym *isym; |
252b5132 | 599 | |
6cdc0ccc AM |
600 | isym = isymbuf + ELF32_R_SYM (irelfn->r_info); |
601 | if (isym->st_shndx | |
d426c6b0 | 602 | != (unsigned int) _bfd_elf_section_from_bfd_section (abfd, sec)) |
252b5132 RH |
603 | { |
604 | ((*_bfd_error_handler) | |
d003868e AM |
605 | (_("%B: 0x%lx: warning: symbol in unexpected section"), |
606 | abfd, (unsigned long) paddr)); | |
252b5132 RH |
607 | continue; |
608 | } | |
609 | ||
6cdc0ccc | 610 | symval = (isym->st_value |
252b5132 RH |
611 | + sec->output_section->vma |
612 | + sec->output_offset); | |
613 | } | |
614 | else | |
615 | { | |
616 | unsigned long indx; | |
617 | struct elf_link_hash_entry *h; | |
618 | ||
619 | indx = ELF32_R_SYM (irelfn->r_info) - symtab_hdr->sh_info; | |
620 | h = elf_sym_hashes (abfd)[indx]; | |
621 | BFD_ASSERT (h != NULL); | |
622 | if (h->root.type != bfd_link_hash_defined | |
623 | && h->root.type != bfd_link_hash_defweak) | |
624 | { | |
625 | /* This appears to be a reference to an undefined | |
067653c5 AM |
626 | symbol. Just ignore it--it will be caught by the |
627 | regular reloc processing. */ | |
252b5132 RH |
628 | continue; |
629 | } | |
630 | ||
631 | symval = (h->root.u.def.value | |
632 | + h->root.u.def.section->output_section->vma | |
633 | + h->root.u.def.section->output_offset); | |
634 | } | |
635 | ||
55e6e397 RS |
636 | if (get_howto_table (abfd)[R_SH_DIR32].partial_inplace) |
637 | symval += bfd_get_32 (abfd, contents + paddr); | |
638 | else | |
639 | symval += irelfn->r_addend; | |
252b5132 RH |
640 | |
641 | /* See if this function call can be shortened. */ | |
642 | foff = (symval | |
643 | - (irel->r_offset | |
644 | + sec->output_section->vma | |
645 | + sec->output_offset | |
646 | + 4)); | |
f725025b DD |
647 | /* A branch to an address beyond ours might be increased by an |
648 | .align that doesn't move when bytes behind us are deleted. | |
649 | So, we add some slop in this calculation to allow for | |
650 | that. */ | |
651 | if (foff < -0x1000 || foff >= 0x1000 - 8) | |
252b5132 RH |
652 | { |
653 | /* After all that work, we can't shorten this function call. */ | |
654 | continue; | |
655 | } | |
656 | ||
657 | /* Shorten the function call. */ | |
658 | ||
659 | /* For simplicity of coding, we are going to modify the section | |
660 | contents, the section relocs, and the BFD symbol table. We | |
661 | must tell the rest of the code not to free up this | |
662 | information. It would be possible to instead create a table | |
663 | of changes which have to be made, as is done in coff-mips.c; | |
664 | that would be more work, but would require less memory when | |
665 | the linker is run. */ | |
666 | ||
667 | elf_section_data (sec)->relocs = internal_relocs; | |
252b5132 | 668 | elf_section_data (sec)->this_hdr.contents = contents; |
6cdc0ccc | 669 | symtab_hdr->contents = (unsigned char *) isymbuf; |
252b5132 RH |
670 | |
671 | /* Replace the jsr with a bsr. */ | |
672 | ||
673 | /* Change the R_SH_USES reloc into an R_SH_IND12W reloc, and | |
067653c5 | 674 | replace the jsr with a bsr. */ |
252b5132 | 675 | irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irelfn->r_info), R_SH_IND12W); |
bdfaef52 JR |
676 | /* We used to test (ELF32_R_SYM (irelfn->r_info) < symtab_hdr->sh_info) |
677 | here, but that only checks if the symbol is an external symbol, | |
678 | not if the symbol is in a different section. Besides, we need | |
679 | a consistent meaning for the relocation, so we just assume here that | |
680 | the value of the symbol is not available. */ | |
0e71e495 BE |
681 | |
682 | /* We can't fully resolve this yet, because the external | |
683 | symbol value may be changed by future relaxing. We let | |
684 | the final link phase handle it. */ | |
685 | bfd_put_16 (abfd, (bfd_vma) 0xb000, contents + irel->r_offset); | |
686 | ||
bdfaef52 | 687 | irel->r_addend = -4; |
252b5132 | 688 | |
f725025b DD |
689 | /* When we calculated the symbol "value" we had an offset in the |
690 | DIR32's word in memory (we read and add it above). However, | |
691 | the jsr we create does NOT have this offset encoded, so we | |
692 | have to add it to the addend to preserve it. */ | |
693 | irel->r_addend += bfd_get_32 (abfd, contents + paddr); | |
694 | ||
252b5132 | 695 | /* See if there is another R_SH_USES reloc referring to the same |
067653c5 | 696 | register load. */ |
252b5132 RH |
697 | for (irelscan = internal_relocs; irelscan < irelend; irelscan++) |
698 | if (ELF32_R_TYPE (irelscan->r_info) == (int) R_SH_USES | |
699 | && laddr == irelscan->r_offset + 4 + irelscan->r_addend) | |
700 | break; | |
701 | if (irelscan < irelend) | |
702 | { | |
703 | /* Some other function call depends upon this register load, | |
704 | and we have not yet converted that function call. | |
705 | Indeed, we may never be able to convert it. There is | |
706 | nothing else we can do at this point. */ | |
707 | continue; | |
708 | } | |
709 | ||
710 | /* Look for a R_SH_COUNT reloc on the location where the | |
067653c5 AM |
711 | function address is stored. Do this before deleting any |
712 | bytes, to avoid confusion about the address. */ | |
252b5132 RH |
713 | for (irelcount = internal_relocs; irelcount < irelend; irelcount++) |
714 | if (irelcount->r_offset == paddr | |
715 | && ELF32_R_TYPE (irelcount->r_info) == (int) R_SH_COUNT) | |
716 | break; | |
717 | ||
718 | /* Delete the register load. */ | |
719 | if (! sh_elf_relax_delete_bytes (abfd, sec, laddr, 2)) | |
720 | goto error_return; | |
721 | ||
722 | /* That will change things, so, just in case it permits some | |
067653c5 AM |
723 | other function call to come within range, we should relax |
724 | again. Note that this is not required, and it may be slow. */ | |
b34976b6 | 725 | *again = TRUE; |
252b5132 RH |
726 | |
727 | /* Now check whether we got a COUNT reloc. */ | |
728 | if (irelcount >= irelend) | |
729 | { | |
730 | ((*_bfd_error_handler) | |
d003868e AM |
731 | (_("%B: 0x%lx: warning: could not find expected COUNT reloc"), |
732 | abfd, (unsigned long) paddr)); | |
252b5132 RH |
733 | continue; |
734 | } | |
735 | ||
736 | /* The number of uses is stored in the r_addend field. We've | |
067653c5 | 737 | just deleted one. */ |
252b5132 RH |
738 | if (irelcount->r_addend == 0) |
739 | { | |
d003868e AM |
740 | ((*_bfd_error_handler) (_("%B: 0x%lx: warning: bad count"), |
741 | abfd, | |
252b5132 RH |
742 | (unsigned long) paddr)); |
743 | continue; | |
744 | } | |
745 | ||
746 | --irelcount->r_addend; | |
747 | ||
748 | /* If there are no more uses, we can delete the address. Reload | |
067653c5 AM |
749 | the address from irelfn, in case it was changed by the |
750 | previous call to sh_elf_relax_delete_bytes. */ | |
252b5132 RH |
751 | if (irelcount->r_addend == 0) |
752 | { | |
753 | if (! sh_elf_relax_delete_bytes (abfd, sec, irelfn->r_offset, 4)) | |
754 | goto error_return; | |
755 | } | |
756 | ||
757 | /* We've done all we can with that function call. */ | |
758 | } | |
759 | ||
760 | /* Look for load and store instructions that we can align on four | |
761 | byte boundaries. */ | |
bdfaef52 JR |
762 | if ((elf_elfheader (abfd)->e_flags & EF_SH_MACH_MASK) != EF_SH4 |
763 | && have_code) | |
252b5132 | 764 | { |
b34976b6 | 765 | bfd_boolean swapped; |
252b5132 RH |
766 | |
767 | /* Get the section contents. */ | |
768 | if (contents == NULL) | |
769 | { | |
770 | if (elf_section_data (sec)->this_hdr.contents != NULL) | |
771 | contents = elf_section_data (sec)->this_hdr.contents; | |
772 | else | |
773 | { | |
eea6121a | 774 | if (!bfd_malloc_and_get_section (abfd, sec, &contents)) |
252b5132 RH |
775 | goto error_return; |
776 | } | |
777 | } | |
778 | ||
779 | if (! sh_elf_align_loads (abfd, sec, internal_relocs, contents, | |
780 | &swapped)) | |
781 | goto error_return; | |
782 | ||
783 | if (swapped) | |
784 | { | |
785 | elf_section_data (sec)->relocs = internal_relocs; | |
252b5132 | 786 | elf_section_data (sec)->this_hdr.contents = contents; |
6cdc0ccc | 787 | symtab_hdr->contents = (unsigned char *) isymbuf; |
252b5132 RH |
788 | } |
789 | } | |
790 | ||
6cdc0ccc AM |
791 | if (isymbuf != NULL |
792 | && symtab_hdr->contents != (unsigned char *) isymbuf) | |
252b5132 RH |
793 | { |
794 | if (! link_info->keep_memory) | |
6cdc0ccc | 795 | free (isymbuf); |
252b5132 RH |
796 | else |
797 | { | |
6cdc0ccc AM |
798 | /* Cache the symbols for elf_link_input_bfd. */ |
799 | symtab_hdr->contents = (unsigned char *) isymbuf; | |
252b5132 | 800 | } |
9ad5cbcf AM |
801 | } |
802 | ||
6cdc0ccc AM |
803 | if (contents != NULL |
804 | && elf_section_data (sec)->this_hdr.contents != contents) | |
252b5132 RH |
805 | { |
806 | if (! link_info->keep_memory) | |
6cdc0ccc AM |
807 | free (contents); |
808 | else | |
252b5132 | 809 | { |
6cdc0ccc AM |
810 | /* Cache the section contents for elf_link_input_bfd. */ |
811 | elf_section_data (sec)->this_hdr.contents = contents; | |
252b5132 | 812 | } |
252b5132 RH |
813 | } |
814 | ||
6cdc0ccc AM |
815 | if (internal_relocs != NULL |
816 | && elf_section_data (sec)->relocs != internal_relocs) | |
817 | free (internal_relocs); | |
818 | ||
b34976b6 | 819 | return TRUE; |
252b5132 RH |
820 | |
821 | error_return: | |
6cdc0ccc AM |
822 | if (isymbuf != NULL |
823 | && symtab_hdr->contents != (unsigned char *) isymbuf) | |
824 | free (isymbuf); | |
825 | if (contents != NULL | |
826 | && elf_section_data (sec)->this_hdr.contents != contents) | |
827 | free (contents); | |
828 | if (internal_relocs != NULL | |
829 | && elf_section_data (sec)->relocs != internal_relocs) | |
830 | free (internal_relocs); | |
9ad5cbcf | 831 | |
b34976b6 | 832 | return FALSE; |
252b5132 RH |
833 | } |
834 | ||
835 | /* Delete some bytes from a section while relaxing. FIXME: There is a | |
836 | lot of duplication between this function and sh_relax_delete_bytes | |
837 | in coff-sh.c. */ | |
838 | ||
b34976b6 | 839 | static bfd_boolean |
09fd220b KK |
840 | sh_elf_relax_delete_bytes (bfd *abfd, asection *sec, bfd_vma addr, |
841 | int count) | |
252b5132 RH |
842 | { |
843 | Elf_Internal_Shdr *symtab_hdr; | |
9ad5cbcf | 844 | unsigned int sec_shndx; |
252b5132 RH |
845 | bfd_byte *contents; |
846 | Elf_Internal_Rela *irel, *irelend; | |
847 | Elf_Internal_Rela *irelalign; | |
848 | bfd_vma toaddr; | |
6cdc0ccc | 849 | Elf_Internal_Sym *isymbuf, *isym, *isymend; |
9ad5cbcf AM |
850 | struct elf_link_hash_entry **sym_hashes; |
851 | struct elf_link_hash_entry **end_hashes; | |
852 | unsigned int symcount; | |
252b5132 RH |
853 | asection *o; |
854 | ||
855 | symtab_hdr = &elf_tdata (abfd)->symtab_hdr; | |
6cdc0ccc | 856 | isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents; |
9ad5cbcf AM |
857 | |
858 | sec_shndx = _bfd_elf_section_from_bfd_section (abfd, sec); | |
252b5132 RH |
859 | |
860 | contents = elf_section_data (sec)->this_hdr.contents; | |
861 | ||
862 | /* The deletion must stop at the next ALIGN reloc for an aligment | |
863 | power larger than the number of bytes we are deleting. */ | |
864 | ||
865 | irelalign = NULL; | |
eea6121a | 866 | toaddr = sec->size; |
252b5132 RH |
867 | |
868 | irel = elf_section_data (sec)->relocs; | |
869 | irelend = irel + sec->reloc_count; | |
870 | for (; irel < irelend; irel++) | |
871 | { | |
872 | if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_ALIGN | |
873 | && irel->r_offset > addr | |
874 | && count < (1 << irel->r_addend)) | |
875 | { | |
876 | irelalign = irel; | |
877 | toaddr = irel->r_offset; | |
878 | break; | |
879 | } | |
880 | } | |
881 | ||
882 | /* Actually delete the bytes. */ | |
dc810e39 AM |
883 | memmove (contents + addr, contents + addr + count, |
884 | (size_t) (toaddr - addr - count)); | |
252b5132 | 885 | if (irelalign == NULL) |
eea6121a | 886 | sec->size -= count; |
252b5132 RH |
887 | else |
888 | { | |
889 | int i; | |
890 | ||
891 | #define NOP_OPCODE (0x0009) | |
892 | ||
893 | BFD_ASSERT ((count & 1) == 0); | |
894 | for (i = 0; i < count; i += 2) | |
dc810e39 | 895 | bfd_put_16 (abfd, (bfd_vma) NOP_OPCODE, contents + toaddr - count + i); |
252b5132 RH |
896 | } |
897 | ||
898 | /* Adjust all the relocs. */ | |
899 | for (irel = elf_section_data (sec)->relocs; irel < irelend; irel++) | |
900 | { | |
901 | bfd_vma nraddr, stop; | |
902 | bfd_vma start = 0; | |
903 | int insn = 0; | |
252b5132 RH |
904 | int off, adjust, oinsn; |
905 | bfd_signed_vma voff = 0; | |
b34976b6 | 906 | bfd_boolean overflow; |
252b5132 RH |
907 | |
908 | /* Get the new reloc address. */ | |
909 | nraddr = irel->r_offset; | |
910 | if ((irel->r_offset > addr | |
911 | && irel->r_offset < toaddr) | |
912 | || (ELF32_R_TYPE (irel->r_info) == (int) R_SH_ALIGN | |
913 | && irel->r_offset == toaddr)) | |
914 | nraddr -= count; | |
915 | ||
916 | /* See if this reloc was for the bytes we have deleted, in which | |
917 | case we no longer care about it. Don't delete relocs which | |
918 | represent addresses, though. */ | |
919 | if (irel->r_offset >= addr | |
920 | && irel->r_offset < addr + count | |
921 | && ELF32_R_TYPE (irel->r_info) != (int) R_SH_ALIGN | |
922 | && ELF32_R_TYPE (irel->r_info) != (int) R_SH_CODE | |
923 | && ELF32_R_TYPE (irel->r_info) != (int) R_SH_DATA | |
924 | && ELF32_R_TYPE (irel->r_info) != (int) R_SH_LABEL) | |
925 | irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info), | |
926 | (int) R_SH_NONE); | |
927 | ||
928 | /* If this is a PC relative reloc, see if the range it covers | |
067653c5 | 929 | includes the bytes we have deleted. */ |
252b5132 RH |
930 | switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info)) |
931 | { | |
932 | default: | |
933 | break; | |
934 | ||
935 | case R_SH_DIR8WPN: | |
936 | case R_SH_IND12W: | |
937 | case R_SH_DIR8WPZ: | |
938 | case R_SH_DIR8WPL: | |
939 | start = irel->r_offset; | |
940 | insn = bfd_get_16 (abfd, contents + nraddr); | |
941 | break; | |
942 | } | |
943 | ||
944 | switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info)) | |
945 | { | |
946 | default: | |
947 | start = stop = addr; | |
948 | break; | |
949 | ||
950 | case R_SH_DIR32: | |
951 | /* If this reloc is against a symbol defined in this | |
067653c5 AM |
952 | section, and the symbol will not be adjusted below, we |
953 | must check the addend to see it will put the value in | |
954 | range to be adjusted, and hence must be changed. */ | |
252b5132 RH |
955 | if (ELF32_R_SYM (irel->r_info) < symtab_hdr->sh_info) |
956 | { | |
6cdc0ccc AM |
957 | isym = isymbuf + ELF32_R_SYM (irel->r_info); |
958 | if (isym->st_shndx == sec_shndx | |
959 | && (isym->st_value <= addr | |
960 | || isym->st_value >= toaddr)) | |
252b5132 RH |
961 | { |
962 | bfd_vma val; | |
963 | ||
55e6e397 RS |
964 | if (get_howto_table (abfd)[R_SH_DIR32].partial_inplace) |
965 | { | |
966 | val = bfd_get_32 (abfd, contents + nraddr); | |
967 | val += isym->st_value; | |
968 | if (val > addr && val < toaddr) | |
969 | bfd_put_32 (abfd, val - count, contents + nraddr); | |
970 | } | |
971 | else | |
972 | { | |
973 | val = isym->st_value + irel->r_addend; | |
974 | if (val > addr && val < toaddr) | |
975 | irel->r_addend -= count; | |
976 | } | |
252b5132 RH |
977 | } |
978 | } | |
979 | start = stop = addr; | |
980 | break; | |
981 | ||
982 | case R_SH_DIR8WPN: | |
983 | off = insn & 0xff; | |
984 | if (off & 0x80) | |
985 | off -= 0x100; | |
986 | stop = (bfd_vma) ((bfd_signed_vma) start + 4 + off * 2); | |
987 | break; | |
988 | ||
989 | case R_SH_IND12W: | |
bdfaef52 JR |
990 | off = insn & 0xfff; |
991 | if (! off) | |
992 | { | |
993 | /* This has been made by previous relaxation. Since the | |
994 | relocation will be against an external symbol, the | |
995 | final relocation will just do the right thing. */ | |
996 | start = stop = addr; | |
997 | } | |
252b5132 RH |
998 | else |
999 | { | |
252b5132 RH |
1000 | if (off & 0x800) |
1001 | off -= 0x1000; | |
1002 | stop = (bfd_vma) ((bfd_signed_vma) start + 4 + off * 2); | |
bdfaef52 JR |
1003 | |
1004 | /* The addend will be against the section symbol, thus | |
1005 | for adjusting the addend, the relevant start is the | |
1006 | start of the section. | |
4cc11e76 | 1007 | N.B. If we want to abandon in-place changes here and |
bdfaef52 JR |
1008 | test directly using symbol + addend, we have to take into |
1009 | account that the addend has already been adjusted by -4. */ | |
1010 | if (stop > addr && stop < toaddr) | |
1011 | irel->r_addend -= count; | |
252b5132 RH |
1012 | } |
1013 | break; | |
1014 | ||
1015 | case R_SH_DIR8WPZ: | |
1016 | off = insn & 0xff; | |
1017 | stop = start + 4 + off * 2; | |
1018 | break; | |
1019 | ||
1020 | case R_SH_DIR8WPL: | |
1021 | off = insn & 0xff; | |
435b1e90 | 1022 | stop = (start & ~(bfd_vma) 3) + 4 + off * 4; |
252b5132 RH |
1023 | break; |
1024 | ||
1025 | case R_SH_SWITCH8: | |
1026 | case R_SH_SWITCH16: | |
1027 | case R_SH_SWITCH32: | |
1028 | /* These relocs types represent | |
1029 | .word L2-L1 | |
06e1ba78 | 1030 | The r_addend field holds the difference between the reloc |
252b5132 RH |
1031 | address and L1. That is the start of the reloc, and |
1032 | adding in the contents gives us the top. We must adjust | |
06e1ba78 JR |
1033 | both the r_offset field and the section contents. |
1034 | N.B. in gas / coff bfd, the elf bfd r_addend is called r_offset, | |
1035 | and the elf bfd r_offset is called r_vaddr. */ | |
252b5132 | 1036 | |
06e1ba78 JR |
1037 | stop = irel->r_offset; |
1038 | start = (bfd_vma) ((bfd_signed_vma) stop - (long) irel->r_addend); | |
252b5132 RH |
1039 | |
1040 | if (start > addr | |
1041 | && start < toaddr | |
1042 | && (stop <= addr || stop >= toaddr)) | |
1043 | irel->r_addend += count; | |
1044 | else if (stop > addr | |
1045 | && stop < toaddr | |
1046 | && (start <= addr || start >= toaddr)) | |
1047 | irel->r_addend -= count; | |
1048 | ||
252b5132 RH |
1049 | if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_SWITCH16) |
1050 | voff = bfd_get_signed_16 (abfd, contents + nraddr); | |
1051 | else if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_SWITCH8) | |
1052 | voff = bfd_get_8 (abfd, contents + nraddr); | |
1053 | else | |
1054 | voff = bfd_get_signed_32 (abfd, contents + nraddr); | |
1055 | stop = (bfd_vma) ((bfd_signed_vma) start + voff); | |
1056 | ||
1057 | break; | |
1058 | ||
1059 | case R_SH_USES: | |
1060 | start = irel->r_offset; | |
1061 | stop = (bfd_vma) ((bfd_signed_vma) start | |
1062 | + (long) irel->r_addend | |
1063 | + 4); | |
1064 | break; | |
1065 | } | |
1066 | ||
1067 | if (start > addr | |
1068 | && start < toaddr | |
1069 | && (stop <= addr || stop >= toaddr)) | |
1070 | adjust = count; | |
1071 | else if (stop > addr | |
1072 | && stop < toaddr | |
1073 | && (start <= addr || start >= toaddr)) | |
1074 | adjust = - count; | |
1075 | else | |
1076 | adjust = 0; | |
1077 | ||
1078 | if (adjust != 0) | |
1079 | { | |
1080 | oinsn = insn; | |
b34976b6 | 1081 | overflow = FALSE; |
252b5132 RH |
1082 | switch ((enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info)) |
1083 | { | |
1084 | default: | |
1085 | abort (); | |
1086 | break; | |
1087 | ||
1088 | case R_SH_DIR8WPN: | |
1089 | case R_SH_DIR8WPZ: | |
1090 | insn += adjust / 2; | |
1091 | if ((oinsn & 0xff00) != (insn & 0xff00)) | |
b34976b6 | 1092 | overflow = TRUE; |
dc810e39 | 1093 | bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr); |
252b5132 RH |
1094 | break; |
1095 | ||
1096 | case R_SH_IND12W: | |
1097 | insn += adjust / 2; | |
1098 | if ((oinsn & 0xf000) != (insn & 0xf000)) | |
b34976b6 | 1099 | overflow = TRUE; |
dc810e39 | 1100 | bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr); |
252b5132 RH |
1101 | break; |
1102 | ||
1103 | case R_SH_DIR8WPL: | |
1104 | BFD_ASSERT (adjust == count || count >= 4); | |
1105 | if (count >= 4) | |
1106 | insn += adjust / 4; | |
1107 | else | |
1108 | { | |
1109 | if ((irel->r_offset & 3) == 0) | |
1110 | ++insn; | |
1111 | } | |
1112 | if ((oinsn & 0xff00) != (insn & 0xff00)) | |
b34976b6 | 1113 | overflow = TRUE; |
dc810e39 | 1114 | bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr); |
252b5132 RH |
1115 | break; |
1116 | ||
851cde10 JR |
1117 | case R_SH_SWITCH8: |
1118 | voff += adjust; | |
1119 | if (voff < 0 || voff >= 0xff) | |
b34976b6 | 1120 | overflow = TRUE; |
851cde10 JR |
1121 | bfd_put_8 (abfd, voff, contents + nraddr); |
1122 | break; | |
1123 | ||
252b5132 RH |
1124 | case R_SH_SWITCH16: |
1125 | voff += adjust; | |
1126 | if (voff < - 0x8000 || voff >= 0x8000) | |
b34976b6 | 1127 | overflow = TRUE; |
dc810e39 | 1128 | bfd_put_signed_16 (abfd, (bfd_vma) voff, contents + nraddr); |
252b5132 RH |
1129 | break; |
1130 | ||
1131 | case R_SH_SWITCH32: | |
1132 | voff += adjust; | |
dc810e39 | 1133 | bfd_put_signed_32 (abfd, (bfd_vma) voff, contents + nraddr); |
252b5132 RH |
1134 | break; |
1135 | ||
1136 | case R_SH_USES: | |
1137 | irel->r_addend += adjust; | |
1138 | break; | |
1139 | } | |
1140 | ||
1141 | if (overflow) | |
1142 | { | |
1143 | ((*_bfd_error_handler) | |
d003868e AM |
1144 | (_("%B: 0x%lx: fatal: reloc overflow while relaxing"), |
1145 | abfd, (unsigned long) irel->r_offset)); | |
252b5132 | 1146 | bfd_set_error (bfd_error_bad_value); |
b34976b6 | 1147 | return FALSE; |
252b5132 RH |
1148 | } |
1149 | } | |
1150 | ||
1151 | irel->r_offset = nraddr; | |
1152 | } | |
1153 | ||
1154 | /* Look through all the other sections. If there contain any IMM32 | |
1155 | relocs against internal symbols which we are not going to adjust | |
1156 | below, we may need to adjust the addends. */ | |
1157 | for (o = abfd->sections; o != NULL; o = o->next) | |
1158 | { | |
1159 | Elf_Internal_Rela *internal_relocs; | |
1160 | Elf_Internal_Rela *irelscan, *irelscanend; | |
1161 | bfd_byte *ocontents; | |
1162 | ||
1163 | if (o == sec | |
1164 | || (o->flags & SEC_RELOC) == 0 | |
1165 | || o->reloc_count == 0) | |
1166 | continue; | |
1167 | ||
1168 | /* We always cache the relocs. Perhaps, if info->keep_memory is | |
b34976b6 | 1169 | FALSE, we should free them, if we are permitted to, when we |
067653c5 | 1170 | leave sh_coff_relax_section. */ |
45d6a902 | 1171 | internal_relocs = (_bfd_elf_link_read_relocs |
09fd220b | 1172 | (abfd, o, NULL, (Elf_Internal_Rela *) NULL, TRUE)); |
252b5132 | 1173 | if (internal_relocs == NULL) |
b34976b6 | 1174 | return FALSE; |
252b5132 RH |
1175 | |
1176 | ocontents = NULL; | |
1177 | irelscanend = internal_relocs + o->reloc_count; | |
1178 | for (irelscan = internal_relocs; irelscan < irelscanend; irelscan++) | |
1179 | { | |
084aa3aa JR |
1180 | /* Dwarf line numbers use R_SH_SWITCH32 relocs. */ |
1181 | if (ELF32_R_TYPE (irelscan->r_info) == (int) R_SH_SWITCH32) | |
1182 | { | |
1183 | bfd_vma start, stop; | |
1184 | bfd_signed_vma voff; | |
1185 | ||
1186 | if (ocontents == NULL) | |
1187 | { | |
1188 | if (elf_section_data (o)->this_hdr.contents != NULL) | |
1189 | ocontents = elf_section_data (o)->this_hdr.contents; | |
1190 | else | |
1191 | { | |
1192 | /* We always cache the section contents. | |
b34976b6 | 1193 | Perhaps, if info->keep_memory is FALSE, we |
067653c5 AM |
1194 | should free them, if we are permitted to, |
1195 | when we leave sh_coff_relax_section. */ | |
eea6121a AM |
1196 | if (!bfd_malloc_and_get_section (abfd, o, &ocontents)) |
1197 | { | |
1198 | if (ocontents != NULL) | |
1199 | free (ocontents); | |
1200 | return FALSE; | |
1201 | } | |
1202 | ||
084aa3aa JR |
1203 | elf_section_data (o)->this_hdr.contents = ocontents; |
1204 | } | |
1205 | } | |
1206 | ||
1207 | stop = irelscan->r_offset; | |
1208 | start | |
1209 | = (bfd_vma) ((bfd_signed_vma) stop - (long) irelscan->r_addend); | |
1210 | ||
1211 | /* STOP is in a different section, so it won't change. */ | |
1212 | if (start > addr && start < toaddr) | |
1213 | irelscan->r_addend += count; | |
1214 | ||
1215 | voff = bfd_get_signed_32 (abfd, ocontents + irelscan->r_offset); | |
1216 | stop = (bfd_vma) ((bfd_signed_vma) start + voff); | |
1217 | ||
1218 | if (start > addr | |
1219 | && start < toaddr | |
1220 | && (stop <= addr || stop >= toaddr)) | |
dc810e39 | 1221 | bfd_put_signed_32 (abfd, (bfd_vma) voff + count, |
084aa3aa JR |
1222 | ocontents + irelscan->r_offset); |
1223 | else if (stop > addr | |
1224 | && stop < toaddr | |
1225 | && (start <= addr || start >= toaddr)) | |
dc810e39 | 1226 | bfd_put_signed_32 (abfd, (bfd_vma) voff - count, |
084aa3aa JR |
1227 | ocontents + irelscan->r_offset); |
1228 | } | |
1229 | ||
252b5132 RH |
1230 | if (ELF32_R_TYPE (irelscan->r_info) != (int) R_SH_DIR32) |
1231 | continue; | |
1232 | ||
1233 | if (ELF32_R_SYM (irelscan->r_info) >= symtab_hdr->sh_info) | |
1234 | continue; | |
1235 | ||
252b5132 | 1236 | |
6cdc0ccc AM |
1237 | isym = isymbuf + ELF32_R_SYM (irelscan->r_info); |
1238 | if (isym->st_shndx == sec_shndx | |
1239 | && (isym->st_value <= addr | |
1240 | || isym->st_value >= toaddr)) | |
252b5132 RH |
1241 | { |
1242 | bfd_vma val; | |
1243 | ||
1244 | if (ocontents == NULL) | |
1245 | { | |
1246 | if (elf_section_data (o)->this_hdr.contents != NULL) | |
1247 | ocontents = elf_section_data (o)->this_hdr.contents; | |
1248 | else | |
1249 | { | |
1250 | /* We always cache the section contents. | |
b34976b6 | 1251 | Perhaps, if info->keep_memory is FALSE, we |
067653c5 AM |
1252 | should free them, if we are permitted to, |
1253 | when we leave sh_coff_relax_section. */ | |
eea6121a AM |
1254 | if (!bfd_malloc_and_get_section (abfd, o, &ocontents)) |
1255 | { | |
1256 | if (ocontents != NULL) | |
1257 | free (ocontents); | |
1258 | return FALSE; | |
1259 | } | |
1260 | ||
252b5132 RH |
1261 | elf_section_data (o)->this_hdr.contents = ocontents; |
1262 | } | |
1263 | } | |
1264 | ||
1265 | val = bfd_get_32 (abfd, ocontents + irelscan->r_offset); | |
6cdc0ccc | 1266 | val += isym->st_value; |
252b5132 RH |
1267 | if (val > addr && val < toaddr) |
1268 | bfd_put_32 (abfd, val - count, | |
1269 | ocontents + irelscan->r_offset); | |
1270 | } | |
1271 | } | |
1272 | } | |
1273 | ||
1274 | /* Adjust the local symbols defined in this section. */ | |
6cdc0ccc AM |
1275 | isymend = isymbuf + symtab_hdr->sh_info; |
1276 | for (isym = isymbuf; isym < isymend; isym++) | |
252b5132 | 1277 | { |
6cdc0ccc AM |
1278 | if (isym->st_shndx == sec_shndx |
1279 | && isym->st_value > addr | |
1280 | && isym->st_value < toaddr) | |
1281 | isym->st_value -= count; | |
252b5132 RH |
1282 | } |
1283 | ||
1284 | /* Now adjust the global symbols defined in this section. */ | |
9ad5cbcf AM |
1285 | symcount = (symtab_hdr->sh_size / sizeof (Elf32_External_Sym) |
1286 | - symtab_hdr->sh_info); | |
1287 | sym_hashes = elf_sym_hashes (abfd); | |
1288 | end_hashes = sym_hashes + symcount; | |
1289 | for (; sym_hashes < end_hashes; sym_hashes++) | |
252b5132 | 1290 | { |
9ad5cbcf AM |
1291 | struct elf_link_hash_entry *sym_hash = *sym_hashes; |
1292 | if ((sym_hash->root.type == bfd_link_hash_defined | |
1293 | || sym_hash->root.type == bfd_link_hash_defweak) | |
1294 | && sym_hash->root.u.def.section == sec | |
1295 | && sym_hash->root.u.def.value > addr | |
1296 | && sym_hash->root.u.def.value < toaddr) | |
252b5132 | 1297 | { |
9ad5cbcf | 1298 | sym_hash->root.u.def.value -= count; |
252b5132 RH |
1299 | } |
1300 | } | |
1301 | ||
1302 | /* See if we can move the ALIGN reloc forward. We have adjusted | |
1303 | r_offset for it already. */ | |
1304 | if (irelalign != NULL) | |
1305 | { | |
1306 | bfd_vma alignto, alignaddr; | |
1307 | ||
1308 | alignto = BFD_ALIGN (toaddr, 1 << irelalign->r_addend); | |
1309 | alignaddr = BFD_ALIGN (irelalign->r_offset, | |
1310 | 1 << irelalign->r_addend); | |
1311 | if (alignto != alignaddr) | |
1312 | { | |
1313 | /* Tail recursion. */ | |
1314 | return sh_elf_relax_delete_bytes (abfd, sec, alignaddr, | |
dc810e39 | 1315 | (int) (alignto - alignaddr)); |
252b5132 RH |
1316 | } |
1317 | } | |
1318 | ||
b34976b6 | 1319 | return TRUE; |
252b5132 RH |
1320 | } |
1321 | ||
1322 | /* Look for loads and stores which we can align to four byte | |
1323 | boundaries. This is like sh_align_loads in coff-sh.c. */ | |
1324 | ||
b34976b6 | 1325 | static bfd_boolean |
09fd220b KK |
1326 | sh_elf_align_loads (bfd *abfd ATTRIBUTE_UNUSED, asection *sec, |
1327 | Elf_Internal_Rela *internal_relocs, | |
1328 | bfd_byte *contents ATTRIBUTE_UNUSED, | |
1329 | bfd_boolean *pswapped) | |
252b5132 RH |
1330 | { |
1331 | Elf_Internal_Rela *irel, *irelend; | |
1332 | bfd_vma *labels = NULL; | |
1333 | bfd_vma *label, *label_end; | |
dc810e39 | 1334 | bfd_size_type amt; |
252b5132 | 1335 | |
b34976b6 | 1336 | *pswapped = FALSE; |
252b5132 RH |
1337 | |
1338 | irelend = internal_relocs + sec->reloc_count; | |
1339 | ||
1340 | /* Get all the addresses with labels on them. */ | |
dc810e39 AM |
1341 | amt = sec->reloc_count; |
1342 | amt *= sizeof (bfd_vma); | |
1343 | labels = (bfd_vma *) bfd_malloc (amt); | |
252b5132 RH |
1344 | if (labels == NULL) |
1345 | goto error_return; | |
1346 | label_end = labels; | |
1347 | for (irel = internal_relocs; irel < irelend; irel++) | |
1348 | { | |
1349 | if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_LABEL) | |
1350 | { | |
1351 | *label_end = irel->r_offset; | |
1352 | ++label_end; | |
1353 | } | |
1354 | } | |
1355 | ||
1356 | /* Note that the assembler currently always outputs relocs in | |
1357 | address order. If that ever changes, this code will need to sort | |
1358 | the label values and the relocs. */ | |
1359 | ||
1360 | label = labels; | |
1361 | ||
1362 | for (irel = internal_relocs; irel < irelend; irel++) | |
1363 | { | |
1364 | bfd_vma start, stop; | |
1365 | ||
1366 | if (ELF32_R_TYPE (irel->r_info) != (int) R_SH_CODE) | |
1367 | continue; | |
1368 | ||
1369 | start = irel->r_offset; | |
1370 | ||
1371 | for (irel++; irel < irelend; irel++) | |
1372 | if (ELF32_R_TYPE (irel->r_info) == (int) R_SH_DATA) | |
1373 | break; | |
1374 | if (irel < irelend) | |
1375 | stop = irel->r_offset; | |
1376 | else | |
eea6121a | 1377 | stop = sec->size; |
252b5132 RH |
1378 | |
1379 | if (! _bfd_sh_align_load_span (abfd, sec, contents, sh_elf_swap_insns, | |
09fd220b | 1380 | internal_relocs, &label, |
252b5132 RH |
1381 | label_end, start, stop, pswapped)) |
1382 | goto error_return; | |
1383 | } | |
1384 | ||
1385 | free (labels); | |
1386 | ||
b34976b6 | 1387 | return TRUE; |
252b5132 RH |
1388 | |
1389 | error_return: | |
1390 | if (labels != NULL) | |
1391 | free (labels); | |
b34976b6 | 1392 | return FALSE; |
252b5132 RH |
1393 | } |
1394 | ||
85fbca6a | 1395 | #ifndef SH64_ELF |
252b5132 RH |
1396 | /* Swap two SH instructions. This is like sh_swap_insns in coff-sh.c. */ |
1397 | ||
b34976b6 | 1398 | static bfd_boolean |
09fd220b KK |
1399 | sh_elf_swap_insns (bfd *abfd, asection *sec, void *relocs, |
1400 | bfd_byte *contents, bfd_vma addr) | |
252b5132 RH |
1401 | { |
1402 | Elf_Internal_Rela *internal_relocs = (Elf_Internal_Rela *) relocs; | |
1403 | unsigned short i1, i2; | |
1404 | Elf_Internal_Rela *irel, *irelend; | |
1405 | ||
1406 | /* Swap the instructions themselves. */ | |
1407 | i1 = bfd_get_16 (abfd, contents + addr); | |
1408 | i2 = bfd_get_16 (abfd, contents + addr + 2); | |
dc810e39 AM |
1409 | bfd_put_16 (abfd, (bfd_vma) i2, contents + addr); |
1410 | bfd_put_16 (abfd, (bfd_vma) i1, contents + addr + 2); | |
252b5132 RH |
1411 | |
1412 | /* Adjust all reloc addresses. */ | |
1413 | irelend = internal_relocs + sec->reloc_count; | |
1414 | for (irel = internal_relocs; irel < irelend; irel++) | |
1415 | { | |
1416 | enum elf_sh_reloc_type type; | |
1417 | int add; | |
1418 | ||
1419 | /* There are a few special types of relocs that we don't want to | |
067653c5 AM |
1420 | adjust. These relocs do not apply to the instruction itself, |
1421 | but are only associated with the address. */ | |
252b5132 RH |
1422 | type = (enum elf_sh_reloc_type) ELF32_R_TYPE (irel->r_info); |
1423 | if (type == R_SH_ALIGN | |
1424 | || type == R_SH_CODE | |
1425 | || type == R_SH_DATA | |
1426 | || type == R_SH_LABEL) | |
1427 | continue; | |
1428 | ||
1429 | /* If an R_SH_USES reloc points to one of the addresses being | |
067653c5 AM |
1430 | swapped, we must adjust it. It would be incorrect to do this |
1431 | for a jump, though, since we want to execute both | |
1432 | instructions after the jump. (We have avoided swapping | |
1433 | around a label, so the jump will not wind up executing an | |
1434 | instruction it shouldn't). */ | |
252b5132 RH |
1435 | if (type == R_SH_USES) |
1436 | { | |
1437 | bfd_vma off; | |
1438 | ||
1439 | off = irel->r_offset + 4 + irel->r_addend; | |
1440 | if (off == addr) | |
1441 | irel->r_offset += 2; | |
1442 | else if (off == addr + 2) | |
1443 | irel->r_offset -= 2; | |
1444 | } | |
1445 | ||
1446 | if (irel->r_offset == addr) | |
1447 | { | |
1448 | irel->r_offset += 2; | |
1449 | add = -2; | |
1450 | } | |
1451 | else if (irel->r_offset == addr + 2) | |
1452 | { | |
1453 | irel->r_offset -= 2; | |
1454 | add = 2; | |
1455 | } | |
1456 | else | |
1457 | add = 0; | |
1458 | ||
1459 | if (add != 0) | |
1460 | { | |
1461 | bfd_byte *loc; | |
1462 | unsigned short insn, oinsn; | |
b34976b6 | 1463 | bfd_boolean overflow; |
252b5132 RH |
1464 | |
1465 | loc = contents + irel->r_offset; | |
b34976b6 | 1466 | overflow = FALSE; |
252b5132 RH |
1467 | switch (type) |
1468 | { | |
1469 | default: | |
1470 | break; | |
1471 | ||
1472 | case R_SH_DIR8WPN: | |
1473 | case R_SH_DIR8WPZ: | |
1474 | insn = bfd_get_16 (abfd, loc); | |
1475 | oinsn = insn; | |
1476 | insn += add / 2; | |
1477 | if ((oinsn & 0xff00) != (insn & 0xff00)) | |
b34976b6 | 1478 | overflow = TRUE; |
dc810e39 | 1479 | bfd_put_16 (abfd, (bfd_vma) insn, loc); |
252b5132 RH |
1480 | break; |
1481 | ||
1482 | case R_SH_IND12W: | |
1483 | insn = bfd_get_16 (abfd, loc); | |
1484 | oinsn = insn; | |
1485 | insn += add / 2; | |
1486 | if ((oinsn & 0xf000) != (insn & 0xf000)) | |
b34976b6 | 1487 | overflow = TRUE; |
dc810e39 | 1488 | bfd_put_16 (abfd, (bfd_vma) insn, loc); |
252b5132 RH |
1489 | break; |
1490 | ||
1491 | case R_SH_DIR8WPL: | |
1492 | /* This reloc ignores the least significant 3 bits of | |
067653c5 AM |
1493 | the program counter before adding in the offset. |
1494 | This means that if ADDR is at an even address, the | |
1495 | swap will not affect the offset. If ADDR is an at an | |
1496 | odd address, then the instruction will be crossing a | |
1497 | four byte boundary, and must be adjusted. */ | |
252b5132 RH |
1498 | if ((addr & 3) != 0) |
1499 | { | |
1500 | insn = bfd_get_16 (abfd, loc); | |
1501 | oinsn = insn; | |
1502 | insn += add / 2; | |
1503 | if ((oinsn & 0xff00) != (insn & 0xff00)) | |
b34976b6 | 1504 | overflow = TRUE; |
dc810e39 | 1505 | bfd_put_16 (abfd, (bfd_vma) insn, loc); |
252b5132 RH |
1506 | } |
1507 | ||
1508 | break; | |
1509 | } | |
1510 | ||
1511 | if (overflow) | |
1512 | { | |
1513 | ((*_bfd_error_handler) | |
d003868e AM |
1514 | (_("%B: 0x%lx: fatal: reloc overflow while relaxing"), |
1515 | abfd, (unsigned long) irel->r_offset)); | |
252b5132 | 1516 | bfd_set_error (bfd_error_bad_value); |
b34976b6 | 1517 | return FALSE; |
252b5132 RH |
1518 | } |
1519 | } | |
1520 | } | |
1521 | ||
b34976b6 | 1522 | return TRUE; |
252b5132 | 1523 | } |
85fbca6a | 1524 | #endif /* defined SH64_ELF */ |
252b5132 | 1525 | \f |
55e6e397 RS |
1526 | /* Describes one of the various PLT styles. */ |
1527 | ||
1528 | struct elf_sh_plt_info | |
1529 | { | |
1530 | /* The template for the first PLT entry, or NULL if there is no special | |
1531 | first entry. */ | |
1532 | const bfd_byte *plt0_entry; | |
1533 | ||
1534 | /* The size of PLT0_ENTRY in bytes, or 0 if PLT0_ENTRY is NULL. */ | |
1535 | bfd_vma plt0_entry_size; | |
1536 | ||
1537 | /* Index I is the offset into PLT0_ENTRY of a pointer to | |
1538 | _GLOBAL_OFFSET_TABLE_ + I * 4. The value is MINUS_ONE | |
1539 | if there is no such pointer. */ | |
1540 | bfd_vma plt0_got_fields[3]; | |
1541 | ||
1542 | /* The template for a symbol's PLT entry. */ | |
1543 | const bfd_byte *symbol_entry; | |
1544 | ||
1545 | /* The size of SYMBOL_ENTRY in bytes. */ | |
1546 | bfd_vma symbol_entry_size; | |
1547 | ||
1548 | /* Byte offsets of fields in SYMBOL_ENTRY. Not all fields are used | |
1549 | on all targets. The comments by each member indicate the value | |
1550 | that the field must hold. */ | |
1551 | struct { | |
1552 | bfd_vma got_entry; /* the address of the symbol's .got.plt entry */ | |
1553 | bfd_vma plt; /* .plt (or a branch to .plt on VxWorks) */ | |
1554 | bfd_vma reloc_offset; /* the offset of the symbol's JMP_SLOT reloc */ | |
1555 | } symbol_fields; | |
1556 | ||
1557 | /* The offset of the resolver stub from the start of SYMBOL_ENTRY. */ | |
1558 | bfd_vma symbol_resolve_offset; | |
1559 | }; | |
1560 | ||
fbca6ad9 AO |
1561 | #ifdef INCLUDE_SHMEDIA |
1562 | ||
1563 | /* The size in bytes of an entry in the procedure linkage table. */ | |
1564 | ||
55e6e397 | 1565 | #define ELF_PLT_ENTRY_SIZE 64 |
fbca6ad9 AO |
1566 | |
1567 | /* First entry in an absolute procedure linkage table look like this. */ | |
1568 | ||
55e6e397 | 1569 | static const bfd_byte elf_sh_plt0_entry_be[ELF_PLT_ENTRY_SIZE] = |
fbca6ad9 AO |
1570 | { |
1571 | 0xcc, 0x00, 0x01, 0x10, /* movi .got.plt >> 16, r17 */ | |
1572 | 0xc8, 0x00, 0x01, 0x10, /* shori .got.plt & 65535, r17 */ | |
1573 | 0x89, 0x10, 0x09, 0x90, /* ld.l r17, 8, r25 */ | |
c8614e8e | 1574 | 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */ |
fbca6ad9 AO |
1575 | 0x89, 0x10, 0x05, 0x10, /* ld.l r17, 4, r17 */ |
1576 | 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */ | |
1577 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
1578 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
1579 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
1580 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
1581 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
1582 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
1583 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
1584 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
1585 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
1586 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
1587 | }; | |
1588 | ||
55e6e397 | 1589 | static const bfd_byte elf_sh_plt0_entry_le[ELF_PLT_ENTRY_SIZE] = |
fbca6ad9 AO |
1590 | { |
1591 | 0x10, 0x01, 0x00, 0xcc, /* movi .got.plt >> 16, r17 */ | |
1592 | 0x10, 0x01, 0x00, 0xc8, /* shori .got.plt & 65535, r17 */ | |
1593 | 0x90, 0x09, 0x10, 0x89, /* ld.l r17, 8, r25 */ | |
c8614e8e | 1594 | 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */ |
fbca6ad9 AO |
1595 | 0x10, 0x05, 0x10, 0x89, /* ld.l r17, 4, r17 */ |
1596 | 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */ | |
1597 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
1598 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
1599 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
1600 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
1601 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
1602 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
1603 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
1604 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
1605 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
1606 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
1607 | }; | |
1608 | ||
1609 | /* Sebsequent entries in an absolute procedure linkage table look like | |
1610 | this. */ | |
1611 | ||
55e6e397 | 1612 | static const bfd_byte elf_sh_plt_entry_be[ELF_PLT_ENTRY_SIZE] = |
fbca6ad9 AO |
1613 | { |
1614 | 0xcc, 0x00, 0x01, 0x90, /* movi nameN-in-GOT >> 16, r25 */ | |
1615 | 0xc8, 0x00, 0x01, 0x90, /* shori nameN-in-GOT & 65535, r25 */ | |
1616 | 0x89, 0x90, 0x01, 0x90, /* ld.l r25, 0, r25 */ | |
1617 | 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */ | |
1618 | 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */ | |
1619 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
1620 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
1621 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
1622 | 0xcc, 0x00, 0x01, 0x90, /* movi .PLT0 >> 16, r25 */ | |
1623 | 0xc8, 0x00, 0x01, 0x90, /* shori .PLT0 & 65535, r25 */ | |
1624 | 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */ | |
1625 | 0xcc, 0x00, 0x01, 0x50, /* movi reloc-offset >> 16, r21 */ | |
1626 | 0xc8, 0x00, 0x01, 0x50, /* shori reloc-offset & 65535, r21 */ | |
1627 | 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */ | |
1628 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
1629 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
1630 | }; | |
1631 | ||
55e6e397 | 1632 | static const bfd_byte elf_sh_plt_entry_le[ELF_PLT_ENTRY_SIZE] = |
fbca6ad9 AO |
1633 | { |
1634 | 0x90, 0x01, 0x00, 0xcc, /* movi nameN-in-GOT >> 16, r25 */ | |
1635 | 0x90, 0x01, 0x00, 0xc8, /* shori nameN-in-GOT & 65535, r25 */ | |
1636 | 0x90, 0x01, 0x90, 0x89, /* ld.l r25, 0, r25 */ | |
1637 | 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */ | |
1638 | 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */ | |
1639 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
1640 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
1641 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
1642 | 0x90, 0x01, 0x00, 0xcc, /* movi .PLT0 >> 16, r25 */ | |
1643 | 0x90, 0x01, 0x00, 0xc8, /* shori .PLT0 & 65535, r25 */ | |
1644 | 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */ | |
1645 | 0x50, 0x01, 0x00, 0xcc, /* movi reloc-offset >> 16, r21 */ | |
1646 | 0x50, 0x01, 0x00, 0xc8, /* shori reloc-offset & 65535, r21 */ | |
1647 | 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */ | |
1648 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
1649 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
1650 | }; | |
1651 | ||
1652 | /* Entries in a PIC procedure linkage table look like this. */ | |
1653 | ||
55e6e397 | 1654 | static const bfd_byte elf_sh_pic_plt_entry_be[ELF_PLT_ENTRY_SIZE] = |
fbca6ad9 AO |
1655 | { |
1656 | 0xcc, 0x00, 0x01, 0x90, /* movi nameN@GOT >> 16, r25 */ | |
1657 | 0xc8, 0x00, 0x01, 0x90, /* shori nameN@GOT & 65535, r25 */ | |
1658 | 0x40, 0xc2, 0x65, 0x90, /* ldx.l r12, r25, r25 */ | |
1659 | 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */ | |
1660 | 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */ | |
1661 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
1662 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
1663 | 0x6f, 0xf0, 0xff, 0xf0, /* nop */ | |
1664 | 0xce, 0x00, 0x01, 0x10, /* movi -GOT_BIAS, r17 */ | |
0a4ef3f4 | 1665 | 0x00, 0xc8, 0x45, 0x10, /* add.l r12, r17, r17 */ |
fbca6ad9 AO |
1666 | 0x89, 0x10, 0x09, 0x90, /* ld.l r17, 8, r25 */ |
1667 | 0x6b, 0xf1, 0x66, 0x00, /* ptabs r25, tr0 */ | |
1668 | 0x89, 0x10, 0x05, 0x10, /* ld.l r17, 4, r17 */ | |
1669 | 0xcc, 0x00, 0x01, 0x50, /* movi reloc-offset >> 16, r21 */ | |
1670 | 0xc8, 0x00, 0x01, 0x50, /* shori reloc-offset & 65535, r21 */ | |
1671 | 0x44, 0x01, 0xff, 0xf0, /* blink tr0, r63 */ | |
1672 | }; | |
1673 | ||
55e6e397 | 1674 | static const bfd_byte elf_sh_pic_plt_entry_le[ELF_PLT_ENTRY_SIZE] = |
fbca6ad9 AO |
1675 | { |
1676 | 0x90, 0x01, 0x00, 0xcc, /* movi nameN@GOT >> 16, r25 */ | |
1677 | 0x90, 0x01, 0x00, 0xc8, /* shori nameN@GOT & 65535, r25 */ | |
1678 | 0x90, 0x65, 0xc2, 0x40, /* ldx.l r12, r25, r25 */ | |
1679 | 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */ | |
1680 | 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */ | |
1681 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
1682 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
1683 | 0xf0, 0xff, 0xf0, 0x6f, /* nop */ | |
1684 | 0x10, 0x01, 0x00, 0xce, /* movi -GOT_BIAS, r17 */ | |
0a4ef3f4 | 1685 | 0x10, 0x45, 0xc8, 0x00, /* add.l r12, r17, r17 */ |
fbca6ad9 AO |
1686 | 0x90, 0x09, 0x10, 0x89, /* ld.l r17, 8, r25 */ |
1687 | 0x00, 0x66, 0xf1, 0x6b, /* ptabs r25, tr0 */ | |
1688 | 0x10, 0x05, 0x10, 0x89, /* ld.l r17, 4, r17 */ | |
1689 | 0x50, 0x01, 0x00, 0xcc, /* movi reloc-offset >> 16, r21 */ | |
1690 | 0x50, 0x01, 0x00, 0xc8, /* shori reloc-offset & 65535, r21 */ | |
1691 | 0xf0, 0xff, 0x01, 0x44, /* blink tr0, r63 */ | |
1692 | }; | |
1693 | ||
55e6e397 RS |
1694 | static const struct elf_sh_plt_info elf_sh_plts[2][2] = { |
1695 | { | |
1696 | { | |
1697 | /* Big-endian non-PIC. */ | |
1698 | elf_sh_plt0_entry_be, | |
1699 | ELF_PLT_ENTRY_SIZE, | |
1700 | { 0, MINUS_ONE, MINUS_ONE }, | |
1701 | elf_sh_plt_entry_be, | |
1702 | ELF_PLT_ENTRY_SIZE, | |
1703 | { 0, 32, 48 }, | |
1704 | 33 /* includes ISA encoding */ | |
1705 | }, | |
1706 | { | |
1707 | /* Little-endian non-PIC. */ | |
1708 | elf_sh_plt0_entry_le, | |
1709 | ELF_PLT_ENTRY_SIZE, | |
1710 | { 0, MINUS_ONE, MINUS_ONE }, | |
1711 | elf_sh_plt_entry_le, | |
1712 | ELF_PLT_ENTRY_SIZE, | |
1713 | { 0, 32, 48 }, | |
1714 | 33 /* includes ISA encoding */ | |
1715 | }, | |
1716 | }, | |
1717 | { | |
1718 | { | |
1719 | /* Big-endian PIC. */ | |
1720 | elf_sh_plt0_entry_be, | |
1721 | ELF_PLT_ENTRY_SIZE, | |
1722 | { MINUS_ONE, MINUS_ONE, MINUS_ONE }, | |
1723 | elf_sh_pic_plt_entry_be, | |
1724 | ELF_PLT_ENTRY_SIZE, | |
1725 | { 0, MINUS_ONE, 52 }, | |
1726 | 33 /* includes ISA encoding */ | |
1727 | }, | |
1728 | { | |
1729 | /* Little-endian PIC. */ | |
1730 | elf_sh_plt0_entry_le, | |
1731 | ELF_PLT_ENTRY_SIZE, | |
1732 | { MINUS_ONE, MINUS_ONE, MINUS_ONE }, | |
1733 | elf_sh_pic_plt_entry_le, | |
1734 | ELF_PLT_ENTRY_SIZE, | |
1735 | { 0, MINUS_ONE, 52 }, | |
1736 | 33 /* includes ISA encoding */ | |
1737 | }, | |
1738 | } | |
1739 | }; | |
fbca6ad9 AO |
1740 | |
1741 | /* Return offset of the linker in PLT0 entry. */ | |
1742 | #define elf_sh_plt0_gotplt_offset(info) 0 | |
1743 | ||
55e6e397 RS |
1744 | /* Install a 32-bit PLT field starting at ADDR, which occurs in OUTPUT_BFD. |
1745 | VALUE is the field's value and CODE_P is true if VALUE refers to code, | |
1746 | not data. | |
fbca6ad9 | 1747 | |
55e6e397 | 1748 | On SH64, each 32-bit field is loaded by a movi/shori pair. */ |
fbca6ad9 AO |
1749 | |
1750 | inline static void | |
55e6e397 RS |
1751 | install_plt_field (bfd *output_bfd, bfd_boolean code_p, |
1752 | unsigned long value, bfd_byte *addr) | |
fbca6ad9 | 1753 | { |
55e6e397 | 1754 | value |= code_p; |
fbca6ad9 AO |
1755 | bfd_put_32 (output_bfd, |
1756 | bfd_get_32 (output_bfd, addr) | |
1757 | | ((value >> 6) & 0x3fffc00), | |
1758 | addr); | |
1759 | bfd_put_32 (output_bfd, | |
1760 | bfd_get_32 (output_bfd, addr + 4) | |
1761 | | ((value << 10) & 0x3fffc00), | |
1762 | addr + 4); | |
1763 | } | |
1764 | ||
55e6e397 RS |
1765 | /* Return the type of PLT associated with ABFD. PIC_P is true if |
1766 | the object is position-independent. */ | |
1767 | ||
1768 | static const struct elf_sh_plt_info * | |
1769 | get_plt_info (bfd *abfd ATTRIBUTE_UNUSED, bfd_boolean pic_p) | |
1770 | { | |
1771 | return &elf_sh_plts[pic_p][!bfd_big_endian (abfd)]; | |
1772 | } | |
fbca6ad9 | 1773 | #else |
37c644f2 | 1774 | /* The size in bytes of an entry in the procedure linkage table. */ |
252b5132 | 1775 | |
55e6e397 | 1776 | #define ELF_PLT_ENTRY_SIZE 28 |
37c644f2 AO |
1777 | |
1778 | /* First entry in an absolute procedure linkage table look like this. */ | |
1779 | ||
6c426cf3 | 1780 | /* Note - this code has been "optimised" not to use r2. r2 is used by |
4cc11e76 | 1781 | GCC to return the address of large structures, so it should not be |
6c426cf3 NC |
1782 | corrupted here. This does mean however, that this PLT does not conform |
1783 | to the SH PIC ABI. That spec says that r0 contains the type of the PLT | |
1784 | and r2 contains the GOT id. This version stores the GOT id in r0 and | |
1785 | ignores the type. Loaders can easily detect this difference however, | |
1786 | since the type will always be 0 or 8, and the GOT ids will always be | |
1787 | greater than or equal to 12. */ | |
55e6e397 | 1788 | static const bfd_byte elf_sh_plt0_entry_be[ELF_PLT_ENTRY_SIZE] = |
6c426cf3 NC |
1789 | { |
1790 | 0xd0, 0x05, /* mov.l 2f,r0 */ | |
1791 | 0x60, 0x02, /* mov.l @r0,r0 */ | |
1792 | 0x2f, 0x06, /* mov.l r0,@-r15 */ | |
1793 | 0xd0, 0x03, /* mov.l 1f,r0 */ | |
1794 | 0x60, 0x02, /* mov.l @r0,r0 */ | |
1795 | 0x40, 0x2b, /* jmp @r0 */ | |
1796 | 0x60, 0xf6, /* mov.l @r15+,r0 */ | |
1797 | 0x00, 0x09, /* nop */ | |
1798 | 0x00, 0x09, /* nop */ | |
1799 | 0x00, 0x09, /* nop */ | |
1800 | 0, 0, 0, 0, /* 1: replaced with address of .got.plt + 8. */ | |
1801 | 0, 0, 0, 0, /* 2: replaced with address of .got.plt + 4. */ | |
1802 | }; | |
1803 | ||
55e6e397 | 1804 | static const bfd_byte elf_sh_plt0_entry_le[ELF_PLT_ENTRY_SIZE] = |
6c426cf3 NC |
1805 | { |
1806 | 0x05, 0xd0, /* mov.l 2f,r0 */ | |
1807 | 0x02, 0x60, /* mov.l @r0,r0 */ | |
1808 | 0x06, 0x2f, /* mov.l r0,@-r15 */ | |
1809 | 0x03, 0xd0, /* mov.l 1f,r0 */ | |
1810 | 0x02, 0x60, /* mov.l @r0,r0 */ | |
1811 | 0x2b, 0x40, /* jmp @r0 */ | |
1812 | 0xf6, 0x60, /* mov.l @r15+,r0 */ | |
1813 | 0x09, 0x00, /* nop */ | |
1814 | 0x09, 0x00, /* nop */ | |
1815 | 0x09, 0x00, /* nop */ | |
1816 | 0, 0, 0, 0, /* 1: replaced with address of .got.plt + 8. */ | |
1817 | 0, 0, 0, 0, /* 2: replaced with address of .got.plt + 4. */ | |
1818 | }; | |
1819 | ||
1820 | /* Sebsequent entries in an absolute procedure linkage table look like | |
1821 | this. */ | |
1822 | ||
55e6e397 | 1823 | static const bfd_byte elf_sh_plt_entry_be[ELF_PLT_ENTRY_SIZE] = |
6c426cf3 NC |
1824 | { |
1825 | 0xd0, 0x04, /* mov.l 1f,r0 */ | |
55e6e397 | 1826 | 0x60, 0x02, /* mov.l @(r0,r12),r0 */ |
6c426cf3 NC |
1827 | 0xd1, 0x02, /* mov.l 0f,r1 */ |
1828 | 0x40, 0x2b, /* jmp @r0 */ | |
1829 | 0x60, 0x13, /* mov r1,r0 */ | |
1830 | 0xd1, 0x03, /* mov.l 2f,r1 */ | |
1831 | 0x40, 0x2b, /* jmp @r0 */ | |
1832 | 0x00, 0x09, /* nop */ | |
1833 | 0, 0, 0, 0, /* 0: replaced with address of .PLT0. */ | |
1834 | 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */ | |
1835 | 0, 0, 0, 0, /* 2: replaced with offset into relocation table. */ | |
1836 | }; | |
1837 | ||
55e6e397 | 1838 | static const bfd_byte elf_sh_plt_entry_le[ELF_PLT_ENTRY_SIZE] = |
6c426cf3 NC |
1839 | { |
1840 | 0x04, 0xd0, /* mov.l 1f,r0 */ | |
1841 | 0x02, 0x60, /* mov.l @r0,r0 */ | |
1842 | 0x02, 0xd1, /* mov.l 0f,r1 */ | |
1843 | 0x2b, 0x40, /* jmp @r0 */ | |
1844 | 0x13, 0x60, /* mov r1,r0 */ | |
1845 | 0x03, 0xd1, /* mov.l 2f,r1 */ | |
1846 | 0x2b, 0x40, /* jmp @r0 */ | |
1847 | 0x09, 0x00, /* nop */ | |
1848 | 0, 0, 0, 0, /* 0: replaced with address of .PLT0. */ | |
1849 | 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */ | |
1850 | 0, 0, 0, 0, /* 2: replaced with offset into relocation table. */ | |
1851 | }; | |
1852 | ||
1853 | /* Entries in a PIC procedure linkage table look like this. */ | |
1854 | ||
55e6e397 | 1855 | static const bfd_byte elf_sh_pic_plt_entry_be[ELF_PLT_ENTRY_SIZE] = |
6c426cf3 NC |
1856 | { |
1857 | 0xd0, 0x04, /* mov.l 1f,r0 */ | |
1858 | 0x00, 0xce, /* mov.l @(r0,r12),r0 */ | |
1859 | 0x40, 0x2b, /* jmp @r0 */ | |
1860 | 0x00, 0x09, /* nop */ | |
1861 | 0x50, 0xc2, /* mov.l @(8,r12),r0 */ | |
1862 | 0xd1, 0x03, /* mov.l 2f,r1 */ | |
1863 | 0x40, 0x2b, /* jmp @r0 */ | |
1864 | 0x50, 0xc1, /* mov.l @(4,r12),r0 */ | |
1865 | 0x00, 0x09, /* nop */ | |
1866 | 0x00, 0x09, /* nop */ | |
1867 | 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */ | |
1868 | 0, 0, 0, 0 /* 2: replaced with offset into relocation table. */ | |
1869 | }; | |
1870 | ||
55e6e397 | 1871 | static const bfd_byte elf_sh_pic_plt_entry_le[ELF_PLT_ENTRY_SIZE] = |
6c426cf3 NC |
1872 | { |
1873 | 0x04, 0xd0, /* mov.l 1f,r0 */ | |
1874 | 0xce, 0x00, /* mov.l @(r0,r12),r0 */ | |
1875 | 0x2b, 0x40, /* jmp @r0 */ | |
1876 | 0x09, 0x00, /* nop */ | |
1877 | 0xc2, 0x50, /* mov.l @(8,r12),r0 */ | |
1878 | 0x03, 0xd1, /* mov.l 2f,r1 */ | |
1879 | 0x2b, 0x40, /* jmp @r0 */ | |
1880 | 0xc1, 0x50, /* mov.l @(4,r12),r0 */ | |
1881 | 0x09, 0x00, /* nop */ | |
1882 | 0x09, 0x00, /* nop */ | |
1883 | 0, 0, 0, 0, /* 1: replaced with address of this symbol in .got. */ | |
1884 | 0, 0, 0, 0 /* 2: replaced with offset into relocation table. */ | |
1885 | }; | |
1886 | ||
55e6e397 RS |
1887 | static const struct elf_sh_plt_info elf_sh_plts[2][2] = { |
1888 | { | |
1889 | { | |
1890 | /* Big-endian non-PIC. */ | |
1891 | elf_sh_plt0_entry_be, | |
1892 | ELF_PLT_ENTRY_SIZE, | |
1893 | { MINUS_ONE, 24, 20 }, | |
1894 | elf_sh_plt_entry_be, | |
1895 | ELF_PLT_ENTRY_SIZE, | |
1896 | { 20, 16, 24 }, | |
1897 | 8 | |
1898 | }, | |
1899 | { | |
1900 | /* Little-endian non-PIC. */ | |
1901 | elf_sh_plt0_entry_le, | |
1902 | ELF_PLT_ENTRY_SIZE, | |
1903 | { MINUS_ONE, 24, 20 }, | |
1904 | elf_sh_plt_entry_le, | |
1905 | ELF_PLT_ENTRY_SIZE, | |
1906 | { 20, 16, 24 }, | |
1907 | 8 | |
1908 | }, | |
1909 | }, | |
1910 | { | |
1911 | { | |
1912 | /* Big-endian PIC. */ | |
1913 | elf_sh_plt0_entry_be, | |
1914 | ELF_PLT_ENTRY_SIZE, | |
1915 | { MINUS_ONE, MINUS_ONE, MINUS_ONE }, | |
1916 | elf_sh_pic_plt_entry_be, | |
1917 | ELF_PLT_ENTRY_SIZE, | |
1918 | { 20, MINUS_ONE, 24 }, | |
1919 | 8 | |
1920 | }, | |
1921 | { | |
1922 | /* Little-endian PIC. */ | |
1923 | elf_sh_plt0_entry_le, | |
1924 | ELF_PLT_ENTRY_SIZE, | |
1925 | { MINUS_ONE, MINUS_ONE, MINUS_ONE }, | |
1926 | elf_sh_pic_plt_entry_le, | |
1927 | ELF_PLT_ENTRY_SIZE, | |
1928 | { 20, MINUS_ONE, 24 }, | |
1929 | 8 | |
1930 | }, | |
1931 | } | |
1932 | }; | |
252b5132 | 1933 | |
55e6e397 RS |
1934 | #define VXWORKS_PLT_HEADER_SIZE 12 |
1935 | #define VXWORKS_PLT_ENTRY_SIZE 24 | |
252b5132 | 1936 | |
55e6e397 RS |
1937 | static const bfd_byte vxworks_sh_plt0_entry_be[VXWORKS_PLT_HEADER_SIZE] = |
1938 | { | |
1939 | 0xd1, 0x01, /* mov.l @(8,pc),r1 */ | |
1940 | 0x61, 0x12, /* mov.l @r1,r1 */ | |
1941 | 0x41, 0x2b, /* jmp @r1 */ | |
1942 | 0x00, 0x09, /* nop */ | |
1943 | 0, 0, 0, 0 /* 0: replaced with _GLOBAL_OFFSET_TABLE+8. */ | |
1944 | }; | |
252b5132 | 1945 | |
55e6e397 RS |
1946 | static const bfd_byte vxworks_sh_plt0_entry_le[VXWORKS_PLT_HEADER_SIZE] = |
1947 | { | |
1948 | 0x01, 0xd1, /* mov.l @(8,pc),r1 */ | |
1949 | 0x12, 0x61, /* mov.l @r1,r1 */ | |
1950 | 0x2b, 0x41, /* jmp @r1 */ | |
1951 | 0x09, 0x00, /* nop */ | |
1952 | 0, 0, 0, 0 /* 0: replaced with _GLOBAL_OFFSET_TABLE+8. */ | |
1953 | }; | |
1954 | ||
1955 | static const bfd_byte vxworks_sh_plt_entry_be[VXWORKS_PLT_ENTRY_SIZE] = | |
1956 | { | |
1957 | 0xd0, 0x01, /* mov.l @(8,pc),r0 */ | |
1958 | 0x60, 0x02, /* mov.l @r0,r0 */ | |
1959 | 0x40, 0x2b, /* jmp @r0 */ | |
1960 | 0x00, 0x09, /* nop */ | |
1961 | 0, 0, 0, 0, /* 0: replaced with address of this symbol in .got. */ | |
1962 | 0xd0, 0x01, /* mov.l @(8,pc),r0 */ | |
1963 | 0xa0, 0x00, /* bra PLT (We need to fix the offset.) */ | |
1964 | 0x00, 0x09, /* nop */ | |
1965 | 0x00, 0x09, /* nop */ | |
1966 | 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */ | |
1967 | }; | |
1968 | ||
1969 | static const bfd_byte vxworks_sh_plt_entry_le[VXWORKS_PLT_ENTRY_SIZE] = | |
1970 | { | |
1971 | 0x01, 0xd0, /* mov.l @(8,pc),r0 */ | |
1972 | 0x02, 0x60, /* mov.l @r0,r0 */ | |
1973 | 0x2b, 0x40, /* jmp @r0 */ | |
1974 | 0x09, 0x00, /* nop */ | |
1975 | 0, 0, 0, 0, /* 0: replaced with address of this symbol in .got. */ | |
1976 | 0x01, 0xd0, /* mov.l @(8,pc),r0 */ | |
1977 | 0x00, 0xa0, /* bra PLT (We need to fix the offset.) */ | |
1978 | 0x09, 0x00, /* nop */ | |
1979 | 0x09, 0x00, /* nop */ | |
1980 | 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */ | |
1981 | }; | |
1982 | ||
1983 | static const bfd_byte vxworks_sh_pic_plt_entry_be[VXWORKS_PLT_ENTRY_SIZE] = | |
1984 | { | |
1985 | 0xd0, 0x01, /* mov.l @(8,pc),r0 */ | |
1986 | 0x00, 0xce, /* mov.l @(r0,r12),r0 */ | |
1987 | 0x40, 0x2b, /* jmp @r0 */ | |
1988 | 0x00, 0x09, /* nop */ | |
1989 | 0, 0, 0, 0, /* 0: replaced with offset of this symbol in .got. */ | |
1990 | 0xd0, 0x01, /* mov.l @(8,pc),r0 */ | |
1991 | 0x51, 0xc2, /* mov.l @(8,r12),r1 */ | |
1992 | 0x41, 0x2b, /* jmp @r1 */ | |
1993 | 0x00, 0x09, /* nop */ | |
1994 | 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */ | |
1995 | }; | |
1996 | ||
1997 | static const bfd_byte vxworks_sh_pic_plt_entry_le[VXWORKS_PLT_ENTRY_SIZE] = | |
1998 | { | |
1999 | 0x01, 0xd0, /* mov.l @(8,pc),r0 */ | |
2000 | 0xce, 0x00, /* mov.l @(r0,r12),r0 */ | |
2001 | 0x2b, 0x40, /* jmp @r0 */ | |
2002 | 0x09, 0x00, /* nop */ | |
2003 | 0, 0, 0, 0, /* 0: replaced with offset of this symbol in .got. */ | |
2004 | 0x01, 0xd0, /* mov.l @(8,pc),r0 */ | |
2005 | 0xc2, 0x51, /* mov.l @(8,r12),r1 */ | |
2006 | 0x2b, 0x41, /* jmp @r1 */ | |
2007 | 0x09, 0x00, /* nop */ | |
2008 | 0, 0, 0, 0, /* 1: replaced with offset into relocation table. */ | |
2009 | }; | |
2010 | ||
2011 | static const struct elf_sh_plt_info vxworks_sh_plts[2][2] = { | |
2012 | { | |
2013 | { | |
2014 | /* Big-endian non-PIC. */ | |
2015 | vxworks_sh_plt0_entry_be, | |
2016 | VXWORKS_PLT_HEADER_SIZE, | |
2017 | { MINUS_ONE, MINUS_ONE, 8 }, | |
2018 | vxworks_sh_plt_entry_be, | |
2019 | VXWORKS_PLT_ENTRY_SIZE, | |
2020 | { 8, 14, 20 }, | |
2021 | 12 | |
2022 | }, | |
2023 | { | |
2024 | /* Little-endian non-PIC. */ | |
2025 | vxworks_sh_plt0_entry_le, | |
2026 | VXWORKS_PLT_HEADER_SIZE, | |
2027 | { MINUS_ONE, MINUS_ONE, 8 }, | |
2028 | vxworks_sh_plt_entry_le, | |
2029 | VXWORKS_PLT_ENTRY_SIZE, | |
2030 | { 8, 14, 20 }, | |
2031 | 12 | |
2032 | }, | |
2033 | }, | |
2034 | { | |
2035 | { | |
2036 | /* Big-endian PIC. */ | |
2037 | NULL, | |
2038 | 0, | |
2039 | { MINUS_ONE, MINUS_ONE, MINUS_ONE }, | |
2040 | vxworks_sh_pic_plt_entry_be, | |
2041 | VXWORKS_PLT_ENTRY_SIZE, | |
2042 | { 8, MINUS_ONE, 20 }, | |
2043 | 12 | |
2044 | }, | |
2045 | { | |
2046 | /* Little-endian PIC. */ | |
2047 | NULL, | |
2048 | 0, | |
2049 | { MINUS_ONE, MINUS_ONE, MINUS_ONE }, | |
2050 | vxworks_sh_pic_plt_entry_le, | |
2051 | VXWORKS_PLT_ENTRY_SIZE, | |
2052 | { 8, MINUS_ONE, 20 }, | |
2053 | 12 | |
2054 | }, | |
2055 | } | |
2056 | }; | |
9bdafcce | 2057 | |
55e6e397 RS |
2058 | /* Return the type of PLT associated with ABFD. PIC_P is true if |
2059 | the object is position-independent. */ | |
9bdafcce | 2060 | |
55e6e397 RS |
2061 | static const struct elf_sh_plt_info * |
2062 | get_plt_info (bfd *abfd ATTRIBUTE_UNUSED, bfd_boolean pic_p) | |
2063 | { | |
2064 | if (vxworks_object_p (abfd)) | |
2065 | return &vxworks_sh_plts[pic_p][!bfd_big_endian (abfd)]; | |
2066 | return &elf_sh_plts[pic_p][!bfd_big_endian (abfd)]; | |
2067 | } | |
9bdafcce | 2068 | |
55e6e397 RS |
2069 | /* Install a 32-bit PLT field starting at ADDR, which occurs in OUTPUT_BFD. |
2070 | VALUE is the field's value and CODE_P is true if VALUE refers to code, | |
2071 | not data. */ | |
9bdafcce | 2072 | |
55e6e397 RS |
2073 | inline static void |
2074 | install_plt_field (bfd *output_bfd, bfd_boolean code_p ATTRIBUTE_UNUSED, | |
2075 | unsigned long value, bfd_byte *addr) | |
2076 | { | |
2077 | bfd_put_32 (output_bfd, value, addr); | |
2078 | } | |
fbca6ad9 | 2079 | #endif |
015551fc | 2080 | |
55e6e397 RS |
2081 | /* Return the index of the PLT entry at byte offset OFFSET. */ |
2082 | ||
2083 | static bfd_vma | |
2084 | get_plt_index (const struct elf_sh_plt_info *info, bfd_vma offset) | |
2085 | { | |
2086 | return (offset - info->plt0_entry_size) / info->symbol_entry_size; | |
2087 | } | |
2088 | ||
2089 | /* Do the inverse operation. */ | |
2090 | ||
2091 | static bfd_vma | |
2092 | get_plt_offset (const struct elf_sh_plt_info *info, bfd_vma index) | |
2093 | { | |
2094 | return info->plt0_entry_size + (index * info->symbol_entry_size); | |
2095 | } | |
2096 | ||
37c644f2 | 2097 | /* The sh linker needs to keep track of the number of relocs that it |
067653c5 AM |
2098 | decides to copy as dynamic relocs in check_relocs for each symbol. |
2099 | This is so that it can later discard them if they are found to be | |
2100 | unnecessary. We store the information in a field extending the | |
2101 | regular ELF linker hash table. */ | |
252b5132 | 2102 | |
067653c5 | 2103 | struct elf_sh_dyn_relocs |
38b1a46c | 2104 | { |
067653c5 AM |
2105 | struct elf_sh_dyn_relocs *next; |
2106 | ||
2107 | /* The input section of the reloc. */ | |
2108 | asection *sec; | |
2109 | ||
2110 | /* Total number of relocs copied for the input section. */ | |
37c644f2 | 2111 | bfd_size_type count; |
067653c5 AM |
2112 | |
2113 | /* Number of pc-relative relocs copied for the input section. */ | |
2114 | bfd_size_type pc_count; | |
37c644f2 | 2115 | }; |
252b5132 | 2116 | |
37c644f2 AO |
2117 | /* sh ELF linker hash entry. */ |
2118 | ||
38b1a46c NC |
2119 | struct elf_sh_link_hash_entry |
2120 | { | |
37c644f2 AO |
2121 | struct elf_link_hash_entry root; |
2122 | ||
fbca6ad9 | 2123 | #ifdef INCLUDE_SHMEDIA |
396a6083 SC |
2124 | union |
2125 | { | |
2126 | bfd_signed_vma refcount; | |
2127 | bfd_vma offset; | |
2128 | } datalabel_got; | |
fbca6ad9 AO |
2129 | #endif |
2130 | ||
067653c5 AM |
2131 | /* Track dynamic relocs copied for this symbol. */ |
2132 | struct elf_sh_dyn_relocs *dyn_relocs; | |
4989d792 SC |
2133 | |
2134 | bfd_signed_vma gotplt_refcount; | |
3376eaf5 KK |
2135 | |
2136 | enum { | |
2137 | GOT_UNKNOWN = 0, GOT_NORMAL, GOT_TLS_GD, GOT_TLS_IE | |
2138 | } tls_type; | |
3376eaf5 KK |
2139 | }; |
2140 | ||
2141 | #define sh_elf_hash_entry(ent) ((struct elf_sh_link_hash_entry *)(ent)) | |
2142 | ||
2143 | struct sh_elf_obj_tdata | |
2144 | { | |
2145 | struct elf_obj_tdata root; | |
2146 | ||
2147 | /* tls_type for each local got entry. */ | |
2148 | char *local_got_tls_type; | |
37c644f2 AO |
2149 | }; |
2150 | ||
3376eaf5 KK |
2151 | #define sh_elf_tdata(abfd) \ |
2152 | ((struct sh_elf_obj_tdata *) (abfd)->tdata.any) | |
2153 | ||
2154 | #define sh_elf_local_got_tls_type(abfd) \ | |
2155 | (sh_elf_tdata (abfd)->local_got_tls_type) | |
2156 | ||
2157 | /* Override the generic function because we need to store sh_elf_obj_tdata | |
2158 | as the specific tdata. */ | |
2159 | ||
b34976b6 | 2160 | static bfd_boolean |
09fd220b | 2161 | sh_elf_mkobject (bfd *abfd) |
3376eaf5 | 2162 | { |
3376eaf5 | 2163 | if (abfd->tdata.any == NULL) |
62d7a5f6 AM |
2164 | { |
2165 | bfd_size_type amt = sizeof (struct sh_elf_obj_tdata); | |
2166 | abfd->tdata.any = bfd_zalloc (abfd, amt); | |
2167 | if (abfd->tdata.any == NULL) | |
2168 | return FALSE; | |
2169 | } | |
2170 | return bfd_elf_mkobject (abfd); | |
3376eaf5 | 2171 | } |
b34976b6 | 2172 | |
37c644f2 AO |
2173 | /* sh ELF linker hash table. */ |
2174 | ||
38b1a46c NC |
2175 | struct elf_sh_link_hash_table |
2176 | { | |
37c644f2 | 2177 | struct elf_link_hash_table root; |
37c644f2 | 2178 | |
067653c5 AM |
2179 | /* Short-cuts to get to dynamic linker sections. */ |
2180 | asection *sgot; | |
2181 | asection *sgotplt; | |
2182 | asection *srelgot; | |
2183 | asection *splt; | |
2184 | asection *srelplt; | |
2185 | asection *sdynbss; | |
2186 | asection *srelbss; | |
37c644f2 | 2187 | |
55e6e397 RS |
2188 | /* The (unloaded but important) VxWorks .rela.plt.unloaded section. */ |
2189 | asection *srelplt2; | |
2190 | ||
067653c5 AM |
2191 | /* Small local sym to section mapping cache. */ |
2192 | struct sym_sec_cache sym_sec; | |
3376eaf5 KK |
2193 | |
2194 | /* A counter or offset to track a TLS got entry. */ | |
2195 | union | |
2196 | { | |
2197 | bfd_signed_vma refcount; | |
2198 | bfd_vma offset; | |
2199 | } tls_ldm_got; | |
55e6e397 RS |
2200 | |
2201 | /* The type of PLT to use. */ | |
2202 | const struct elf_sh_plt_info *plt_info; | |
2203 | ||
2204 | /* True if the target system is VxWorks. */ | |
2205 | bfd_boolean vxworks_p; | |
067653c5 | 2206 | }; |
37c644f2 AO |
2207 | |
2208 | /* Traverse an sh ELF linker hash table. */ | |
2209 | ||
2210 | #define sh_elf_link_hash_traverse(table, func, info) \ | |
2211 | (elf_link_hash_traverse \ | |
2212 | (&(table)->root, \ | |
09fd220b | 2213 | (bfd_boolean (*) (struct elf_link_hash_entry *, void *)) (func), \ |
37c644f2 AO |
2214 | (info))) |
2215 | ||
2216 | /* Get the sh ELF linker hash table from a link_info structure. */ | |
2217 | ||
2218 | #define sh_elf_hash_table(p) \ | |
2219 | ((struct elf_sh_link_hash_table *) ((p)->hash)) | |
2220 | ||
2221 | /* Create an entry in an sh ELF linker hash table. */ | |
2222 | ||
2223 | static struct bfd_hash_entry * | |
09fd220b KK |
2224 | sh_elf_link_hash_newfunc (struct bfd_hash_entry *entry, |
2225 | struct bfd_hash_table *table, | |
2226 | const char *string) | |
37c644f2 AO |
2227 | { |
2228 | struct elf_sh_link_hash_entry *ret = | |
2229 | (struct elf_sh_link_hash_entry *) entry; | |
2230 | ||
2231 | /* Allocate the structure if it has not already been allocated by a | |
2232 | subclass. */ | |
2233 | if (ret == (struct elf_sh_link_hash_entry *) NULL) | |
2234 | ret = ((struct elf_sh_link_hash_entry *) | |
2235 | bfd_hash_allocate (table, | |
2236 | sizeof (struct elf_sh_link_hash_entry))); | |
2237 | if (ret == (struct elf_sh_link_hash_entry *) NULL) | |
2238 | return (struct bfd_hash_entry *) ret; | |
2239 | ||
2240 | /* Call the allocation method of the superclass. */ | |
2241 | ret = ((struct elf_sh_link_hash_entry *) | |
2242 | _bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret, | |
2243 | table, string)); | |
2244 | if (ret != (struct elf_sh_link_hash_entry *) NULL) | |
2245 | { | |
396a6083 SC |
2246 | ret->dyn_relocs = NULL; |
2247 | ret->gotplt_refcount = 0; | |
fbca6ad9 | 2248 | #ifdef INCLUDE_SHMEDIA |
396a6083 | 2249 | ret->datalabel_got.refcount = ret->root.got.refcount; |
fbca6ad9 | 2250 | #endif |
3376eaf5 | 2251 | ret->tls_type = GOT_UNKNOWN; |
37c644f2 AO |
2252 | } |
2253 | ||
2254 | return (struct bfd_hash_entry *) ret; | |
2255 | } | |
2256 | ||
2257 | /* Create an sh ELF linker hash table. */ | |
2258 | ||
2259 | static struct bfd_link_hash_table * | |
09fd220b | 2260 | sh_elf_link_hash_table_create (bfd *abfd) |
37c644f2 AO |
2261 | { |
2262 | struct elf_sh_link_hash_table *ret; | |
dc810e39 | 2263 | bfd_size_type amt = sizeof (struct elf_sh_link_hash_table); |
37c644f2 | 2264 | |
e2d34d7d | 2265 | ret = (struct elf_sh_link_hash_table *) bfd_malloc (amt); |
37c644f2 AO |
2266 | if (ret == (struct elf_sh_link_hash_table *) NULL) |
2267 | return NULL; | |
2268 | ||
66eb6687 AM |
2269 | if (!_bfd_elf_link_hash_table_init (&ret->root, abfd, |
2270 | sh_elf_link_hash_newfunc, | |
2271 | sizeof (struct elf_sh_link_hash_entry))) | |
37c644f2 | 2272 | { |
e2d34d7d | 2273 | free (ret); |
37c644f2 AO |
2274 | return NULL; |
2275 | } | |
2276 | ||
067653c5 AM |
2277 | ret->sgot = NULL; |
2278 | ret->sgotplt = NULL; | |
2279 | ret->srelgot = NULL; | |
2280 | ret->splt = NULL; | |
2281 | ret->srelplt = NULL; | |
2282 | ret->sdynbss = NULL; | |
2283 | ret->srelbss = NULL; | |
55e6e397 | 2284 | ret->srelplt2 = NULL; |
067653c5 | 2285 | ret->sym_sec.abfd = NULL; |
3376eaf5 | 2286 | ret->tls_ldm_got.refcount = 0; |
55e6e397 RS |
2287 | ret->plt_info = NULL; |
2288 | ret->vxworks_p = vxworks_object_p (abfd); | |
067653c5 | 2289 | |
37c644f2 AO |
2290 | return &ret->root.root; |
2291 | } | |
2292 | ||
067653c5 AM |
2293 | /* Create .got, .gotplt, and .rela.got sections in DYNOBJ, and set up |
2294 | shortcuts to them in our hash table. */ | |
2295 | ||
b34976b6 | 2296 | static bfd_boolean |
09fd220b | 2297 | create_got_section (bfd *dynobj, struct bfd_link_info *info) |
067653c5 AM |
2298 | { |
2299 | struct elf_sh_link_hash_table *htab; | |
2300 | ||
2301 | if (! _bfd_elf_create_got_section (dynobj, info)) | |
b34976b6 | 2302 | return FALSE; |
067653c5 AM |
2303 | |
2304 | htab = sh_elf_hash_table (info); | |
2305 | htab->sgot = bfd_get_section_by_name (dynobj, ".got"); | |
2306 | htab->sgotplt = bfd_get_section_by_name (dynobj, ".got.plt"); | |
2307 | if (! htab->sgot || ! htab->sgotplt) | |
2308 | abort (); | |
2309 | ||
3496cb2a L |
2310 | htab->srelgot = bfd_make_section_with_flags (dynobj, ".rela.got", |
2311 | (SEC_ALLOC | SEC_LOAD | |
2312 | | SEC_HAS_CONTENTS | |
2313 | | SEC_IN_MEMORY | |
2314 | | SEC_LINKER_CREATED | |
2315 | | SEC_READONLY)); | |
067653c5 | 2316 | if (htab->srelgot == NULL |
067653c5 | 2317 | || ! bfd_set_section_alignment (dynobj, htab->srelgot, 2)) |
b34976b6 AM |
2318 | return FALSE; |
2319 | return TRUE; | |
067653c5 AM |
2320 | } |
2321 | ||
37c644f2 AO |
2322 | /* Create dynamic sections when linking against a dynamic object. */ |
2323 | ||
b34976b6 | 2324 | static bfd_boolean |
09fd220b | 2325 | sh_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info) |
37c644f2 | 2326 | { |
067653c5 | 2327 | struct elf_sh_link_hash_table *htab; |
37c644f2 AO |
2328 | flagword flags, pltflags; |
2329 | register asection *s; | |
9c5bfbb7 | 2330 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
37c644f2 AO |
2331 | int ptralign = 0; |
2332 | ||
2333 | switch (bed->s->arch_size) | |
2334 | { | |
2335 | case 32: | |
2336 | ptralign = 2; | |
2337 | break; | |
2338 | ||
2339 | case 64: | |
2340 | ptralign = 3; | |
2341 | break; | |
2342 | ||
2343 | default: | |
2344 | bfd_set_error (bfd_error_bad_value); | |
b34976b6 | 2345 | return FALSE; |
37c644f2 AO |
2346 | } |
2347 | ||
067653c5 | 2348 | htab = sh_elf_hash_table (info); |
35cad4c4 KK |
2349 | if (htab->root.dynamic_sections_created) |
2350 | return TRUE; | |
067653c5 | 2351 | |
37c644f2 AO |
2352 | /* We need to create .plt, .rel[a].plt, .got, .got.plt, .dynbss, and |
2353 | .rel[a].bss sections. */ | |
2354 | ||
2355 | flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY | |
2356 | | SEC_LINKER_CREATED); | |
2357 | ||
2358 | pltflags = flags; | |
2359 | pltflags |= SEC_CODE; | |
2360 | if (bed->plt_not_loaded) | |
2361 | pltflags &= ~ (SEC_LOAD | SEC_HAS_CONTENTS); | |
2362 | if (bed->plt_readonly) | |
2363 | pltflags |= SEC_READONLY; | |
2364 | ||
3496cb2a | 2365 | s = bfd_make_section_with_flags (abfd, ".plt", pltflags); |
35cad4c4 KK |
2366 | htab->splt = s; |
2367 | if (s == NULL | |
35cad4c4 KK |
2368 | || ! bfd_set_section_alignment (abfd, s, bed->plt_alignment)) |
2369 | return FALSE; | |
37c644f2 AO |
2370 | |
2371 | if (bed->want_plt_sym) | |
2372 | { | |
2373 | /* Define the symbol _PROCEDURE_LINKAGE_TABLE_ at the start of the | |
2374 | .plt section. */ | |
14a793b2 AM |
2375 | struct elf_link_hash_entry *h; |
2376 | struct bfd_link_hash_entry *bh = NULL; | |
2377 | ||
37c644f2 AO |
2378 | if (! (_bfd_generic_link_add_one_symbol |
2379 | (info, abfd, "_PROCEDURE_LINKAGE_TABLE_", BSF_GLOBAL, s, | |
b34976b6 | 2380 | (bfd_vma) 0, (const char *) NULL, FALSE, |
14a793b2 | 2381 | get_elf_backend_data (abfd)->collect, &bh))) |
b34976b6 | 2382 | return FALSE; |
14a793b2 AM |
2383 | |
2384 | h = (struct elf_link_hash_entry *) bh; | |
f5385ebf | 2385 | h->def_regular = 1; |
37c644f2 | 2386 | h->type = STT_OBJECT; |
7325306f | 2387 | htab->root.hplt = h; |
37c644f2 AO |
2388 | |
2389 | if (info->shared | |
c152c796 | 2390 | && ! bfd_elf_link_record_dynamic_symbol (info, h)) |
b34976b6 | 2391 | return FALSE; |
37c644f2 AO |
2392 | } |
2393 | ||
3496cb2a L |
2394 | s = bfd_make_section_with_flags (abfd, |
2395 | bed->default_use_rela_p ? ".rela.plt" : ".rel.plt", | |
2396 | flags | SEC_READONLY); | |
35cad4c4 KK |
2397 | htab->srelplt = s; |
2398 | if (s == NULL | |
35cad4c4 KK |
2399 | || ! bfd_set_section_alignment (abfd, s, ptralign)) |
2400 | return FALSE; | |
37c644f2 | 2401 | |
2293c499 AM |
2402 | if (htab->sgot == NULL |
2403 | && !create_got_section (abfd, info)) | |
b34976b6 | 2404 | return FALSE; |
37c644f2 AO |
2405 | |
2406 | { | |
2407 | const char *secname; | |
2408 | char *relname; | |
2409 | flagword secflags; | |
2410 | asection *sec; | |
2411 | ||
2412 | for (sec = abfd->sections; sec; sec = sec->next) | |
2413 | { | |
2414 | secflags = bfd_get_section_flags (abfd, sec); | |
2415 | if ((secflags & (SEC_DATA | SEC_LINKER_CREATED)) | |
2416 | || ((secflags & SEC_HAS_CONTENTS) != SEC_HAS_CONTENTS)) | |
2417 | continue; | |
2418 | secname = bfd_get_section_name (abfd, sec); | |
dc810e39 | 2419 | relname = (char *) bfd_malloc ((bfd_size_type) strlen (secname) + 6); |
37c644f2 AO |
2420 | strcpy (relname, ".rela"); |
2421 | strcat (relname, secname); | |
03151a5a KK |
2422 | if (bfd_get_section_by_name (abfd, secname)) |
2423 | continue; | |
3496cb2a L |
2424 | s = bfd_make_section_with_flags (abfd, relname, |
2425 | flags | SEC_READONLY); | |
37c644f2 | 2426 | if (s == NULL |
37c644f2 | 2427 | || ! bfd_set_section_alignment (abfd, s, ptralign)) |
b34976b6 | 2428 | return FALSE; |
37c644f2 AO |
2429 | } |
2430 | } | |
2431 | ||
2432 | if (bed->want_dynbss) | |
2433 | { | |
2434 | /* The .dynbss section is a place to put symbols which are defined | |
2435 | by dynamic objects, are referenced by regular objects, and are | |
2436 | not functions. We must allocate space for them in the process | |
2437 | image and use a R_*_COPY reloc to tell the dynamic linker to | |
2438 | initialize them at run time. The linker script puts the .dynbss | |
2439 | section into the .bss section of the final image. */ | |
3496cb2a L |
2440 | s = bfd_make_section_with_flags (abfd, ".dynbss", |
2441 | SEC_ALLOC | SEC_LINKER_CREATED); | |
35cad4c4 | 2442 | htab->sdynbss = s; |
3496cb2a | 2443 | if (s == NULL) |
35cad4c4 | 2444 | return FALSE; |
37c644f2 AO |
2445 | |
2446 | /* The .rel[a].bss section holds copy relocs. This section is not | |
2447 | normally needed. We need to create it here, though, so that the | |
2448 | linker will map it to an output section. We can't just create it | |
2449 | only if we need it, because we will not know whether we need it | |
2450 | until we have seen all the input files, and the first time the | |
2451 | main linker code calls BFD after examining all the input files | |
2452 | (size_dynamic_sections) the input sections have already been | |
2453 | mapped to the output sections. If the section turns out not to | |
2454 | be needed, we can discard it later. We will never need this | |
2455 | section when generating a shared object, since they do not use | |
2456 | copy relocs. */ | |
35cad4c4 | 2457 | if (! info->shared) |
37c644f2 | 2458 | { |
3496cb2a L |
2459 | s = bfd_make_section_with_flags (abfd, |
2460 | (bed->default_use_rela_p | |
2461 | ? ".rela.bss" : ".rel.bss"), | |
2462 | flags | SEC_READONLY); | |
067653c5 | 2463 | htab->srelbss = s; |
37c644f2 | 2464 | if (s == NULL |
37c644f2 | 2465 | || ! bfd_set_section_alignment (abfd, s, ptralign)) |
b34976b6 | 2466 | return FALSE; |
37c644f2 AO |
2467 | } |
2468 | } | |
2469 | ||
55e6e397 RS |
2470 | if (htab->vxworks_p) |
2471 | { | |
2472 | if (!elf_vxworks_create_dynamic_sections (abfd, info, &htab->srelplt2)) | |
2473 | return FALSE; | |
2474 | } | |
2475 | ||
b34976b6 | 2476 | return TRUE; |
37c644f2 AO |
2477 | } |
2478 | \f | |
37c644f2 AO |
2479 | /* Adjust a symbol defined by a dynamic object and referenced by a |
2480 | regular object. The current definition is in some section of the | |
2481 | dynamic object, but we're not including those sections. We have to | |
2482 | change the definition to something the rest of the link can | |
2483 | understand. */ | |
2484 | ||
b34976b6 | 2485 | static bfd_boolean |
09fd220b KK |
2486 | sh_elf_adjust_dynamic_symbol (struct bfd_link_info *info, |
2487 | struct elf_link_hash_entry *h) | |
37c644f2 | 2488 | { |
067653c5 AM |
2489 | struct elf_sh_link_hash_table *htab; |
2490 | struct elf_sh_link_hash_entry *eh; | |
2491 | struct elf_sh_dyn_relocs *p; | |
37c644f2 | 2492 | asection *s; |
37c644f2 | 2493 | |
2293c499 | 2494 | htab = sh_elf_hash_table (info); |
37c644f2 AO |
2495 | |
2496 | /* Make sure we know what is going on here. */ | |
2293c499 | 2497 | BFD_ASSERT (htab->root.dynobj != NULL |
f5385ebf | 2498 | && (h->needs_plt |
f6e332e6 | 2499 | || h->u.weakdef != NULL |
f5385ebf AM |
2500 | || (h->def_dynamic |
2501 | && h->ref_regular | |
2502 | && !h->def_regular))); | |
37c644f2 AO |
2503 | |
2504 | /* If this is a function, put it in the procedure linkage table. We | |
2505 | will fill in the contents of the procedure linkage table later, | |
2506 | when we know the address of the .got section. */ | |
2507 | if (h->type == STT_FUNC | |
f5385ebf | 2508 | || h->needs_plt) |
37c644f2 | 2509 | { |
067653c5 | 2510 | if (h->plt.refcount <= 0 |
3d85aebe KK |
2511 | || SYMBOL_CALLS_LOCAL (info, h) |
2512 | || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT | |
2513 | && h->root.type == bfd_link_hash_undefweak)) | |
37c644f2 AO |
2514 | { |
2515 | /* This case can occur if we saw a PLT reloc in an input | |
2516 | file, but the symbol was never referred to by a dynamic | |
2517 | object. In such a case, we don't actually need to build | |
2518 | a procedure linkage table, and we can just do a REL32 | |
2519 | reloc instead. */ | |
067653c5 | 2520 | h->plt.offset = (bfd_vma) -1; |
f5385ebf | 2521 | h->needs_plt = 0; |
37c644f2 AO |
2522 | } |
2523 | ||
b34976b6 | 2524 | return TRUE; |
37c644f2 | 2525 | } |
067653c5 AM |
2526 | else |
2527 | h->plt.offset = (bfd_vma) -1; | |
37c644f2 AO |
2528 | |
2529 | /* If this is a weak symbol, and there is a real definition, the | |
2530 | processor independent code will have arranged for us to see the | |
2531 | real definition first, and we can just use the same value. */ | |
f6e332e6 | 2532 | if (h->u.weakdef != NULL) |
37c644f2 | 2533 | { |
f6e332e6 AM |
2534 | BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined |
2535 | || h->u.weakdef->root.type == bfd_link_hash_defweak); | |
2536 | h->root.u.def.section = h->u.weakdef->root.u.def.section; | |
2537 | h->root.u.def.value = h->u.weakdef->root.u.def.value; | |
04e534c3 | 2538 | if (info->nocopyreloc) |
f6e332e6 | 2539 | h->non_got_ref = h->u.weakdef->non_got_ref; |
b34976b6 | 2540 | return TRUE; |
37c644f2 AO |
2541 | } |
2542 | ||
2543 | /* This is a reference to a symbol defined by a dynamic object which | |
2544 | is not a function. */ | |
2545 | ||
2546 | /* If we are creating a shared library, we must presume that the | |
2547 | only references to the symbol are via the global offset table. | |
2548 | For such cases we need not do anything here; the relocations will | |
2549 | be handled correctly by relocate_section. */ | |
2550 | if (info->shared) | |
b34976b6 | 2551 | return TRUE; |
37c644f2 AO |
2552 | |
2553 | /* If there are no references to this symbol that do not use the | |
2554 | GOT, we don't need to generate a copy reloc. */ | |
f5385ebf | 2555 | if (!h->non_got_ref) |
b34976b6 | 2556 | return TRUE; |
37c644f2 | 2557 | |
067653c5 AM |
2558 | /* If -z nocopyreloc was given, we won't generate them either. */ |
2559 | if (info->nocopyreloc) | |
2560 | { | |
f5385ebf | 2561 | h->non_got_ref = 0; |
b34976b6 | 2562 | return TRUE; |
067653c5 AM |
2563 | } |
2564 | ||
2565 | eh = (struct elf_sh_link_hash_entry *) h; | |
2566 | for (p = eh->dyn_relocs; p != NULL; p = p->next) | |
2567 | { | |
2568 | s = p->sec->output_section; | |
2569 | if (s != NULL && (s->flags & (SEC_READONLY | SEC_HAS_CONTENTS)) != 0) | |
2570 | break; | |
2571 | } | |
2572 | ||
2573 | /* If we didn't find any dynamic relocs in sections which needs the | |
2574 | copy reloc, then we'll be keeping the dynamic relocs and avoiding | |
2575 | the copy reloc. */ | |
2576 | if (p == NULL) | |
2577 | { | |
f5385ebf | 2578 | h->non_got_ref = 0; |
b34976b6 | 2579 | return TRUE; |
067653c5 AM |
2580 | } |
2581 | ||
909272ee AM |
2582 | if (h->size == 0) |
2583 | { | |
2584 | (*_bfd_error_handler) (_("dynamic variable `%s' is zero size"), | |
2585 | h->root.root.string); | |
2586 | return TRUE; | |
2587 | } | |
2588 | ||
37c644f2 AO |
2589 | /* We must allocate the symbol in our .dynbss section, which will |
2590 | become part of the .bss section of the executable. There will be | |
2591 | an entry for this symbol in the .dynsym section. The dynamic | |
2592 | object will contain position independent code, so all references | |
2593 | from the dynamic object to this symbol will go through the global | |
2594 | offset table. The dynamic linker will use the .dynsym entry to | |
2595 | determine the address it must put in the global offset table, so | |
2596 | both the dynamic object and the regular object will refer to the | |
2597 | same memory location for the variable. */ | |
2598 | ||
067653c5 | 2599 | s = htab->sdynbss; |
37c644f2 AO |
2600 | BFD_ASSERT (s != NULL); |
2601 | ||
2602 | /* We must generate a R_SH_COPY reloc to tell the dynamic linker to | |
2603 | copy the initial value out of the dynamic object and into the | |
2604 | runtime process image. We need to remember the offset into the | |
2605 | .rela.bss section we are going to use. */ | |
2606 | if ((h->root.u.def.section->flags & SEC_ALLOC) != 0) | |
2607 | { | |
2608 | asection *srel; | |
2609 | ||
067653c5 | 2610 | srel = htab->srelbss; |
37c644f2 | 2611 | BFD_ASSERT (srel != NULL); |
eea6121a | 2612 | srel->size += sizeof (Elf32_External_Rela); |
f5385ebf | 2613 | h->needs_copy = 1; |
37c644f2 AO |
2614 | } |
2615 | ||
027297b7 | 2616 | return _bfd_elf_adjust_dynamic_copy (h, s); |
37c644f2 AO |
2617 | } |
2618 | ||
067653c5 AM |
2619 | /* Allocate space in .plt, .got and associated reloc sections for |
2620 | dynamic relocs. */ | |
2621 | ||
b34976b6 | 2622 | static bfd_boolean |
09fd220b | 2623 | allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf) |
067653c5 AM |
2624 | { |
2625 | struct bfd_link_info *info; | |
2626 | struct elf_sh_link_hash_table *htab; | |
2627 | struct elf_sh_link_hash_entry *eh; | |
2628 | struct elf_sh_dyn_relocs *p; | |
2629 | ||
2630 | if (h->root.type == bfd_link_hash_indirect) | |
b34976b6 | 2631 | return TRUE; |
067653c5 AM |
2632 | |
2633 | if (h->root.type == bfd_link_hash_warning) | |
2634 | /* When warning symbols are created, they **replace** the "real" | |
2635 | entry in the hash table, thus we never get to see the real | |
2636 | symbol in a hash traversal. So look at it now. */ | |
2637 | h = (struct elf_link_hash_entry *) h->root.u.i.link; | |
2638 | ||
2639 | info = (struct bfd_link_info *) inf; | |
2640 | htab = sh_elf_hash_table (info); | |
2641 | ||
4989d792 SC |
2642 | eh = (struct elf_sh_link_hash_entry *) h; |
2643 | if ((h->got.refcount > 0 | |
f5385ebf | 2644 | || h->forced_local) |
4989d792 SC |
2645 | && eh->gotplt_refcount > 0) |
2646 | { | |
2647 | /* The symbol has been forced local, or we have some direct got refs, | |
26e41594 | 2648 | so treat all the gotplt refs as got refs. */ |
4989d792 SC |
2649 | h->got.refcount += eh->gotplt_refcount; |
2650 | if (h->plt.refcount >= eh->gotplt_refcount) | |
2651 | h->plt.refcount -= eh->gotplt_refcount; | |
2652 | } | |
2653 | ||
067653c5 | 2654 | if (htab->root.dynamic_sections_created |
04e534c3 KK |
2655 | && h->plt.refcount > 0 |
2656 | && (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT | |
2657 | || h->root.type != bfd_link_hash_undefweak)) | |
067653c5 AM |
2658 | { |
2659 | /* Make sure this symbol is output as a dynamic symbol. | |
2660 | Undefined weak syms won't yet be marked as dynamic. */ | |
2661 | if (h->dynindx == -1 | |
f5385ebf | 2662 | && !h->forced_local) |
067653c5 | 2663 | { |
c152c796 | 2664 | if (! bfd_elf_link_record_dynamic_symbol (info, h)) |
b34976b6 | 2665 | return FALSE; |
067653c5 AM |
2666 | } |
2667 | ||
267fb3c1 KK |
2668 | if (info->shared |
2669 | || WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, 0, h)) | |
067653c5 AM |
2670 | { |
2671 | asection *s = htab->splt; | |
2672 | ||
2673 | /* If this is the first .plt entry, make room for the special | |
2674 | first entry. */ | |
eea6121a | 2675 | if (s->size == 0) |
55e6e397 | 2676 | s->size += htab->plt_info->plt0_entry_size; |
067653c5 | 2677 | |
eea6121a | 2678 | h->plt.offset = s->size; |
067653c5 AM |
2679 | |
2680 | /* If this symbol is not defined in a regular file, and we are | |
2681 | not generating a shared library, then set the symbol to this | |
2682 | location in the .plt. This is required to make function | |
2683 | pointers compare as equal between the normal executable and | |
2684 | the shared library. */ | |
2685 | if (! info->shared | |
f5385ebf | 2686 | && !h->def_regular) |
067653c5 AM |
2687 | { |
2688 | h->root.u.def.section = s; | |
2689 | h->root.u.def.value = h->plt.offset; | |
2690 | } | |
2691 | ||
2692 | /* Make room for this entry. */ | |
55e6e397 | 2693 | s->size += htab->plt_info->symbol_entry_size; |
067653c5 AM |
2694 | |
2695 | /* We also need to make an entry in the .got.plt section, which | |
2696 | will be placed in the .got section by the linker script. */ | |
eea6121a | 2697 | htab->sgotplt->size += 4; |
067653c5 AM |
2698 | |
2699 | /* We also need to make an entry in the .rel.plt section. */ | |
eea6121a | 2700 | htab->srelplt->size += sizeof (Elf32_External_Rela); |
55e6e397 RS |
2701 | |
2702 | if (htab->vxworks_p && !info->shared) | |
2703 | { | |
2704 | /* VxWorks executables have a second set of relocations | |
2705 | for each PLT entry. They go in a separate relocation | |
2706 | section, which is processed by the kernel loader. */ | |
2707 | ||
2708 | /* There is a relocation for the initial PLT entry: | |
2709 | an R_SH_DIR32 relocation for _GLOBAL_OFFSET_TABLE_. */ | |
2710 | if (h->plt.offset == htab->plt_info->plt0_entry_size) | |
2711 | htab->srelplt2->size += sizeof (Elf32_External_Rela); | |
2712 | ||
2713 | /* There are two extra relocations for each subsequent | |
2714 | PLT entry: an R_SH_DIR32 relocation for the GOT entry, | |
2715 | and an R_SH_DIR32 relocation for the PLT entry. */ | |
2716 | htab->srelplt2->size += sizeof (Elf32_External_Rela) * 2; | |
2717 | } | |
067653c5 AM |
2718 | } |
2719 | else | |
2720 | { | |
2721 | h->plt.offset = (bfd_vma) -1; | |
f5385ebf | 2722 | h->needs_plt = 0; |
067653c5 AM |
2723 | } |
2724 | } | |
2725 | else | |
2726 | { | |
2727 | h->plt.offset = (bfd_vma) -1; | |
f5385ebf | 2728 | h->needs_plt = 0; |
067653c5 AM |
2729 | } |
2730 | ||
2731 | if (h->got.refcount > 0) | |
2732 | { | |
2733 | asection *s; | |
b34976b6 | 2734 | bfd_boolean dyn; |
3376eaf5 | 2735 | int tls_type = sh_elf_hash_entry (h)->tls_type; |
067653c5 AM |
2736 | |
2737 | /* Make sure this symbol is output as a dynamic symbol. | |
2738 | Undefined weak syms won't yet be marked as dynamic. */ | |
2739 | if (h->dynindx == -1 | |
f5385ebf | 2740 | && !h->forced_local) |
067653c5 | 2741 | { |
c152c796 | 2742 | if (! bfd_elf_link_record_dynamic_symbol (info, h)) |
b34976b6 | 2743 | return FALSE; |
067653c5 AM |
2744 | } |
2745 | ||
2746 | s = htab->sgot; | |
eea6121a AM |
2747 | h->got.offset = s->size; |
2748 | s->size += 4; | |
3376eaf5 KK |
2749 | /* R_SH_TLS_GD needs 2 consecutive GOT slots. */ |
2750 | if (tls_type == GOT_TLS_GD) | |
eea6121a | 2751 | s->size += 4; |
067653c5 | 2752 | dyn = htab->root.dynamic_sections_created; |
267fb3c1 | 2753 | /* R_SH_TLS_IE_32 needs one dynamic relocation if dynamic, |
3376eaf5 KK |
2754 | R_SH_TLS_GD needs one if local symbol and two if global. */ |
2755 | if ((tls_type == GOT_TLS_GD && h->dynindx == -1) | |
267fb3c1 | 2756 | || (tls_type == GOT_TLS_IE && dyn)) |
eea6121a | 2757 | htab->srelgot->size += sizeof (Elf32_External_Rela); |
3376eaf5 | 2758 | else if (tls_type == GOT_TLS_GD) |
eea6121a | 2759 | htab->srelgot->size += 2 * sizeof (Elf32_External_Rela); |
04e534c3 KK |
2760 | else if ((ELF_ST_VISIBILITY (h->other) == STV_DEFAULT |
2761 | || h->root.type != bfd_link_hash_undefweak) | |
2762 | && (info->shared | |
2763 | || WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, 0, h))) | |
eea6121a | 2764 | htab->srelgot->size += sizeof (Elf32_External_Rela); |
067653c5 AM |
2765 | } |
2766 | else | |
2767 | h->got.offset = (bfd_vma) -1; | |
2768 | ||
396a6083 SC |
2769 | #ifdef INCLUDE_SHMEDIA |
2770 | if (eh->datalabel_got.refcount > 0) | |
2771 | { | |
2772 | asection *s; | |
b34976b6 | 2773 | bfd_boolean dyn; |
396a6083 SC |
2774 | |
2775 | /* Make sure this symbol is output as a dynamic symbol. | |
2776 | Undefined weak syms won't yet be marked as dynamic. */ | |
2777 | if (h->dynindx == -1 | |
f5385ebf | 2778 | && !h->forced_local) |
396a6083 | 2779 | { |
c152c796 | 2780 | if (! bfd_elf_link_record_dynamic_symbol (info, h)) |
b34976b6 | 2781 | return FALSE; |
396a6083 SC |
2782 | } |
2783 | ||
2784 | s = htab->sgot; | |
eea6121a AM |
2785 | eh->datalabel_got.offset = s->size; |
2786 | s->size += 4; | |
396a6083 | 2787 | dyn = htab->root.dynamic_sections_created; |
267fb3c1 | 2788 | if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)) |
eea6121a | 2789 | htab->srelgot->size += sizeof (Elf32_External_Rela); |
396a6083 SC |
2790 | } |
2791 | else | |
2792 | eh->datalabel_got.offset = (bfd_vma) -1; | |
2793 | #endif | |
2794 | ||
067653c5 | 2795 | if (eh->dyn_relocs == NULL) |
b34976b6 | 2796 | return TRUE; |
067653c5 AM |
2797 | |
2798 | /* In the shared -Bsymbolic case, discard space allocated for | |
2799 | dynamic pc-relative relocs against symbols which turn out to be | |
2800 | defined in regular objects. For the normal shared case, discard | |
2801 | space for pc-relative relocs that have become local due to symbol | |
2802 | visibility changes. */ | |
2803 | ||
2804 | if (info->shared) | |
2805 | { | |
3d85aebe | 2806 | if (SYMBOL_CALLS_LOCAL (info, h)) |
067653c5 AM |
2807 | { |
2808 | struct elf_sh_dyn_relocs **pp; | |
2809 | ||
2810 | for (pp = &eh->dyn_relocs; (p = *pp) != NULL; ) | |
2811 | { | |
2812 | p->count -= p->pc_count; | |
2813 | p->pc_count = 0; | |
2814 | if (p->count == 0) | |
2815 | *pp = p->next; | |
2816 | else | |
2817 | pp = &p->next; | |
2818 | } | |
2819 | } | |
04e534c3 KK |
2820 | |
2821 | /* Also discard relocs on undefined weak syms with non-default | |
2822 | visibility. */ | |
22d606e9 | 2823 | if (eh->dyn_relocs != NULL |
04e534c3 | 2824 | && h->root.type == bfd_link_hash_undefweak) |
22d606e9 AM |
2825 | { |
2826 | if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT) | |
2827 | eh->dyn_relocs = NULL; | |
2828 | ||
2829 | /* Make sure undefined weak symbols are output as a dynamic | |
2830 | symbol in PIEs. */ | |
2831 | else if (h->dynindx == -1 | |
2832 | && !h->forced_local) | |
2833 | { | |
2834 | if (! bfd_elf_link_record_dynamic_symbol (info, h)) | |
2835 | return FALSE; | |
2836 | } | |
2837 | } | |
067653c5 AM |
2838 | } |
2839 | else | |
2840 | { | |
2841 | /* For the non-shared case, discard space for relocs against | |
2842 | symbols which turn out to need copy relocs or are not | |
2843 | dynamic. */ | |
2844 | ||
f5385ebf AM |
2845 | if (!h->non_got_ref |
2846 | && ((h->def_dynamic | |
2847 | && !h->def_regular) | |
067653c5 AM |
2848 | || (htab->root.dynamic_sections_created |
2849 | && (h->root.type == bfd_link_hash_undefweak | |
2850 | || h->root.type == bfd_link_hash_undefined)))) | |
2851 | { | |
2852 | /* Make sure this symbol is output as a dynamic symbol. | |
2853 | Undefined weak syms won't yet be marked as dynamic. */ | |
2854 | if (h->dynindx == -1 | |
f5385ebf | 2855 | && !h->forced_local) |
067653c5 | 2856 | { |
c152c796 | 2857 | if (! bfd_elf_link_record_dynamic_symbol (info, h)) |
b34976b6 | 2858 | return FALSE; |
067653c5 AM |
2859 | } |
2860 | ||
2861 | /* If that succeeded, we know we'll be keeping all the | |
2862 | relocs. */ | |
2863 | if (h->dynindx != -1) | |
2864 | goto keep; | |
2865 | } | |
2866 | ||
2867 | eh->dyn_relocs = NULL; | |
2868 | ||
2869 | keep: ; | |
2870 | } | |
2871 | ||
2872 | /* Finally, allocate space. */ | |
2873 | for (p = eh->dyn_relocs; p != NULL; p = p->next) | |
2874 | { | |
2875 | asection *sreloc = elf_section_data (p->sec)->sreloc; | |
eea6121a | 2876 | sreloc->size += p->count * sizeof (Elf32_External_Rela); |
067653c5 AM |
2877 | } |
2878 | ||
b34976b6 | 2879 | return TRUE; |
067653c5 AM |
2880 | } |
2881 | ||
2882 | /* Find any dynamic relocs that apply to read-only sections. */ | |
2883 | ||
b34976b6 | 2884 | static bfd_boolean |
09fd220b | 2885 | readonly_dynrelocs (struct elf_link_hash_entry *h, void *inf) |
067653c5 AM |
2886 | { |
2887 | struct elf_sh_link_hash_entry *eh; | |
2888 | struct elf_sh_dyn_relocs *p; | |
2889 | ||
2890 | if (h->root.type == bfd_link_hash_warning) | |
2891 | h = (struct elf_link_hash_entry *) h->root.u.i.link; | |
2892 | ||
2893 | eh = (struct elf_sh_link_hash_entry *) h; | |
2894 | for (p = eh->dyn_relocs; p != NULL; p = p->next) | |
2895 | { | |
2896 | asection *s = p->sec->output_section; | |
2897 | ||
2898 | if (s != NULL && (s->flags & SEC_READONLY) != 0) | |
2899 | { | |
2900 | struct bfd_link_info *info = (struct bfd_link_info *) inf; | |
2901 | ||
2902 | info->flags |= DF_TEXTREL; | |
2903 | ||
2904 | /* Not an error, just cut short the traversal. */ | |
b34976b6 | 2905 | return FALSE; |
067653c5 AM |
2906 | } |
2907 | } | |
b34976b6 | 2908 | return TRUE; |
067653c5 AM |
2909 | } |
2910 | ||
55e6e397 RS |
2911 | /* This function is called after all the input files have been read, |
2912 | and the input sections have been assigned to output sections. | |
2913 | It's a convenient place to determine the PLT style. */ | |
2914 | ||
2915 | static bfd_boolean | |
2916 | sh_elf_always_size_sections (bfd *output_bfd, struct bfd_link_info *info) | |
2917 | { | |
2918 | sh_elf_hash_table (info)->plt_info = get_plt_info (output_bfd, info->shared); | |
2919 | return TRUE; | |
2920 | } | |
2921 | ||
37c644f2 AO |
2922 | /* Set the sizes of the dynamic sections. */ |
2923 | ||
b34976b6 | 2924 | static bfd_boolean |
09fd220b KK |
2925 | sh_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED, |
2926 | struct bfd_link_info *info) | |
37c644f2 | 2927 | { |
067653c5 | 2928 | struct elf_sh_link_hash_table *htab; |
37c644f2 AO |
2929 | bfd *dynobj; |
2930 | asection *s; | |
b34976b6 | 2931 | bfd_boolean relocs; |
067653c5 | 2932 | bfd *ibfd; |
37c644f2 | 2933 | |
067653c5 AM |
2934 | htab = sh_elf_hash_table (info); |
2935 | dynobj = htab->root.dynobj; | |
37c644f2 AO |
2936 | BFD_ASSERT (dynobj != NULL); |
2937 | ||
067653c5 | 2938 | if (htab->root.dynamic_sections_created) |
37c644f2 AO |
2939 | { |
2940 | /* Set the contents of the .interp section to the interpreter. */ | |
2558b9a9 | 2941 | if (info->executable) |
37c644f2 AO |
2942 | { |
2943 | s = bfd_get_section_by_name (dynobj, ".interp"); | |
2944 | BFD_ASSERT (s != NULL); | |
eea6121a | 2945 | s->size = sizeof ELF_DYNAMIC_INTERPRETER; |
37c644f2 AO |
2946 | s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER; |
2947 | } | |
2948 | } | |
37c644f2 | 2949 | |
067653c5 AM |
2950 | /* Set up .got offsets for local syms, and space for local dynamic |
2951 | relocs. */ | |
2952 | for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next) | |
37c644f2 | 2953 | { |
067653c5 AM |
2954 | bfd_signed_vma *local_got; |
2955 | bfd_signed_vma *end_local_got; | |
3376eaf5 | 2956 | char *local_tls_type; |
067653c5 AM |
2957 | bfd_size_type locsymcount; |
2958 | Elf_Internal_Shdr *symtab_hdr; | |
2959 | asection *srel; | |
37c644f2 | 2960 | |
067653c5 | 2961 | if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour) |
37c644f2 AO |
2962 | continue; |
2963 | ||
067653c5 | 2964 | for (s = ibfd->sections; s != NULL; s = s->next) |
37c644f2 | 2965 | { |
067653c5 AM |
2966 | struct elf_sh_dyn_relocs *p; |
2967 | ||
2968 | for (p = ((struct elf_sh_dyn_relocs *) | |
2969 | elf_section_data (s)->local_dynrel); | |
2970 | p != NULL; | |
2971 | p = p->next) | |
37c644f2 | 2972 | { |
067653c5 AM |
2973 | if (! bfd_is_abs_section (p->sec) |
2974 | && bfd_is_abs_section (p->sec->output_section)) | |
2975 | { | |
2976 | /* Input section has been discarded, either because | |
2977 | it is a copy of a linkonce section or due to | |
2978 | linker script /DISCARD/, so we'll be discarding | |
2979 | the relocs too. */ | |
2980 | } | |
2981 | else if (p->count != 0) | |
2982 | { | |
2983 | srel = elf_section_data (p->sec)->sreloc; | |
eea6121a | 2984 | srel->size += p->count * sizeof (Elf32_External_Rela); |
067653c5 AM |
2985 | if ((p->sec->output_section->flags & SEC_READONLY) != 0) |
2986 | info->flags |= DF_TEXTREL; | |
2987 | } | |
37c644f2 AO |
2988 | } |
2989 | } | |
067653c5 AM |
2990 | |
2991 | local_got = elf_local_got_refcounts (ibfd); | |
2992 | if (!local_got) | |
2993 | continue; | |
2994 | ||
2995 | symtab_hdr = &elf_tdata (ibfd)->symtab_hdr; | |
2996 | locsymcount = symtab_hdr->sh_info; | |
2997 | #ifdef INCLUDE_SHMEDIA | |
2998 | /* Count datalabel local GOT. */ | |
2999 | locsymcount *= 2; | |
3000 | #endif | |
3001 | end_local_got = local_got + locsymcount; | |
3376eaf5 | 3002 | local_tls_type = sh_elf_local_got_tls_type (ibfd); |
067653c5 AM |
3003 | s = htab->sgot; |
3004 | srel = htab->srelgot; | |
3005 | for (; local_got < end_local_got; ++local_got) | |
37c644f2 | 3006 | { |
067653c5 | 3007 | if (*local_got > 0) |
37c644f2 | 3008 | { |
eea6121a AM |
3009 | *local_got = s->size; |
3010 | s->size += 4; | |
3376eaf5 | 3011 | if (*local_tls_type == GOT_TLS_GD) |
eea6121a | 3012 | s->size += 4; |
067653c5 | 3013 | if (info->shared) |
eea6121a | 3014 | srel->size += sizeof (Elf32_External_Rela); |
37c644f2 AO |
3015 | } |
3016 | else | |
067653c5 | 3017 | *local_got = (bfd_vma) -1; |
3376eaf5 | 3018 | ++local_tls_type; |
37c644f2 | 3019 | } |
067653c5 AM |
3020 | } |
3021 | ||
3376eaf5 KK |
3022 | if (htab->tls_ldm_got.refcount > 0) |
3023 | { | |
3024 | /* Allocate 2 got entries and 1 dynamic reloc for R_SH_TLS_LD_32 | |
3025 | relocs. */ | |
eea6121a AM |
3026 | htab->tls_ldm_got.offset = htab->sgot->size; |
3027 | htab->sgot->size += 8; | |
3028 | htab->srelgot->size += sizeof (Elf32_External_Rela); | |
3376eaf5 KK |
3029 | } |
3030 | else | |
3031 | htab->tls_ldm_got.offset = -1; | |
3032 | ||
067653c5 AM |
3033 | /* Allocate global sym .plt and .got entries, and space for global |
3034 | sym dynamic relocs. */ | |
09fd220b | 3035 | elf_link_hash_traverse (&htab->root, allocate_dynrelocs, info); |
067653c5 AM |
3036 | |
3037 | /* We now have determined the sizes of the various dynamic sections. | |
3038 | Allocate memory for them. */ | |
b34976b6 | 3039 | relocs = FALSE; |
067653c5 AM |
3040 | for (s = dynobj->sections; s != NULL; s = s->next) |
3041 | { | |
3042 | if ((s->flags & SEC_LINKER_CREATED) == 0) | |
3043 | continue; | |
3044 | ||
3045 | if (s == htab->splt | |
3046 | || s == htab->sgot | |
c456f082 AM |
3047 | || s == htab->sgotplt |
3048 | || s == htab->sdynbss) | |
067653c5 AM |
3049 | { |
3050 | /* Strip this section if we don't need it; see the | |
3051 | comment below. */ | |
3052 | } | |
0112cd26 | 3053 | else if (CONST_STRNEQ (bfd_get_section_name (dynobj, s), ".rela")) |
067653c5 | 3054 | { |
55e6e397 | 3055 | if (s->size != 0 && s != htab->srelplt && s != htab->srelplt2) |
b34976b6 | 3056 | relocs = TRUE; |
067653c5 AM |
3057 | |
3058 | /* We use the reloc_count field as a counter if we need | |
3059 | to copy relocs into the output file. */ | |
3060 | s->reloc_count = 0; | |
3061 | } | |
3062 | else | |
37c644f2 AO |
3063 | { |
3064 | /* It's not one of our sections, so don't allocate space. */ | |
3065 | continue; | |
3066 | } | |
3067 | ||
eea6121a | 3068 | if (s->size == 0) |
37c644f2 | 3069 | { |
067653c5 AM |
3070 | /* If we don't need this section, strip it from the |
3071 | output file. This is mostly to handle .rela.bss and | |
3072 | .rela.plt. We must create both sections in | |
3073 | create_dynamic_sections, because they must be created | |
3074 | before the linker maps input sections to output | |
3075 | sections. The linker does that before | |
3076 | adjust_dynamic_symbol is called, and it is that | |
3077 | function which decides whether anything needs to go | |
3078 | into these sections. */ | |
3079 | ||
8423293d | 3080 | s->flags |= SEC_EXCLUDE; |
37c644f2 AO |
3081 | continue; |
3082 | } | |
3083 | ||
c456f082 AM |
3084 | if ((s->flags & SEC_HAS_CONTENTS) == 0) |
3085 | continue; | |
3086 | ||
067653c5 AM |
3087 | /* Allocate memory for the section contents. We use bfd_zalloc |
3088 | here in case unused entries are not reclaimed before the | |
3089 | section's contents are written out. This should not happen, | |
3090 | but this way if it does, we get a R_SH_NONE reloc instead | |
3091 | of garbage. */ | |
eea6121a | 3092 | s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size); |
067653c5 | 3093 | if (s->contents == NULL) |
b34976b6 | 3094 | return FALSE; |
37c644f2 AO |
3095 | } |
3096 | ||
067653c5 | 3097 | if (htab->root.dynamic_sections_created) |
37c644f2 AO |
3098 | { |
3099 | /* Add some entries to the .dynamic section. We fill in the | |
3100 | values later, in sh_elf_finish_dynamic_sections, but we | |
3101 | must add the entries now so that we get the correct size for | |
3102 | the .dynamic section. The DT_DEBUG entry is filled in by the | |
3103 | dynamic linker and used by the debugger. */ | |
dc810e39 | 3104 | #define add_dynamic_entry(TAG, VAL) \ |
5a580b3a | 3105 | _bfd_elf_add_dynamic_entry (info, TAG, VAL) |
dc810e39 | 3106 | |
2558b9a9 | 3107 | if (info->executable) |
37c644f2 | 3108 | { |
067653c5 | 3109 | if (! add_dynamic_entry (DT_DEBUG, 0)) |
b34976b6 | 3110 | return FALSE; |
37c644f2 AO |
3111 | } |
3112 | ||
eea6121a | 3113 | if (htab->splt->size != 0) |
37c644f2 | 3114 | { |
067653c5 AM |
3115 | if (! add_dynamic_entry (DT_PLTGOT, 0) |
3116 | || ! add_dynamic_entry (DT_PLTRELSZ, 0) | |
3117 | || ! add_dynamic_entry (DT_PLTREL, DT_RELA) | |
3118 | || ! add_dynamic_entry (DT_JMPREL, 0)) | |
b34976b6 | 3119 | return FALSE; |
37c644f2 AO |
3120 | } |
3121 | ||
3122 | if (relocs) | |
3123 | { | |
067653c5 AM |
3124 | if (! add_dynamic_entry (DT_RELA, 0) |
3125 | || ! add_dynamic_entry (DT_RELASZ, 0) | |
3126 | || ! add_dynamic_entry (DT_RELAENT, | |
3127 | sizeof (Elf32_External_Rela))) | |
b34976b6 | 3128 | return FALSE; |
37c644f2 | 3129 | |
067653c5 AM |
3130 | /* If any dynamic relocs apply to a read-only section, |
3131 | then we need a DT_TEXTREL entry. */ | |
3132 | if ((info->flags & DF_TEXTREL) == 0) | |
09fd220b | 3133 | elf_link_hash_traverse (&htab->root, readonly_dynrelocs, info); |
067653c5 AM |
3134 | |
3135 | if ((info->flags & DF_TEXTREL) != 0) | |
3136 | { | |
3137 | if (! add_dynamic_entry (DT_TEXTREL, 0)) | |
b34976b6 | 3138 | return FALSE; |
067653c5 | 3139 | } |
37c644f2 AO |
3140 | } |
3141 | } | |
dc810e39 | 3142 | #undef add_dynamic_entry |
37c644f2 | 3143 | |
b34976b6 | 3144 | return TRUE; |
37c644f2 | 3145 | } |
37c644f2 AO |
3146 | \f |
3147 | /* Relocate an SH ELF section. */ | |
3148 | ||
b34976b6 | 3149 | static bfd_boolean |
09fd220b KK |
3150 | sh_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info, |
3151 | bfd *input_bfd, asection *input_section, | |
3152 | bfd_byte *contents, Elf_Internal_Rela *relocs, | |
3153 | Elf_Internal_Sym *local_syms, | |
3154 | asection **local_sections) | |
37c644f2 | 3155 | { |
067653c5 | 3156 | struct elf_sh_link_hash_table *htab; |
37c644f2 AO |
3157 | Elf_Internal_Shdr *symtab_hdr; |
3158 | struct elf_link_hash_entry **sym_hashes; | |
3159 | Elf_Internal_Rela *rel, *relend; | |
3160 | bfd *dynobj; | |
3161 | bfd_vma *local_got_offsets; | |
3162 | asection *sgot; | |
fbca6ad9 | 3163 | asection *sgotplt; |
37c644f2 AO |
3164 | asection *splt; |
3165 | asection *sreloc; | |
3376eaf5 | 3166 | asection *srelgot; |
37c644f2 | 3167 | |
067653c5 | 3168 | htab = sh_elf_hash_table (info); |
37c644f2 AO |
3169 | symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr; |
3170 | sym_hashes = elf_sym_hashes (input_bfd); | |
067653c5 | 3171 | dynobj = htab->root.dynobj; |
37c644f2 AO |
3172 | local_got_offsets = elf_local_got_offsets (input_bfd); |
3173 | ||
067653c5 AM |
3174 | sgot = htab->sgot; |
3175 | sgotplt = htab->sgotplt; | |
3176 | splt = htab->splt; | |
37c644f2 | 3177 | sreloc = NULL; |
3376eaf5 | 3178 | srelgot = NULL; |
37c644f2 AO |
3179 | |
3180 | rel = relocs; | |
3181 | relend = relocs + input_section->reloc_count; | |
3182 | for (; rel < relend; rel++) | |
3183 | { | |
3184 | int r_type; | |
3185 | reloc_howto_type *howto; | |
3186 | unsigned long r_symndx; | |
3187 | Elf_Internal_Sym *sym; | |
3188 | asection *sec; | |
3189 | struct elf_link_hash_entry *h; | |
3190 | bfd_vma relocation; | |
435b1e90 | 3191 | bfd_vma addend = (bfd_vma) 0; |
37c644f2 | 3192 | bfd_reloc_status_type r; |
fbca6ad9 | 3193 | int seen_stt_datalabel = 0; |
3376eaf5 KK |
3194 | bfd_vma off; |
3195 | int tls_type; | |
37c644f2 AO |
3196 | |
3197 | r_symndx = ELF32_R_SYM (rel->r_info); | |
3198 | ||
37c644f2 AO |
3199 | r_type = ELF32_R_TYPE (rel->r_info); |
3200 | ||
3201 | /* Many of the relocs are only used for relaxing, and are | |
067653c5 | 3202 | handled entirely by the relaxation code. */ |
d38eb334 DD |
3203 | if (r_type >= (int) R_SH_GNU_VTINHERIT |
3204 | && r_type <= (int) R_SH_LABEL) | |
37c644f2 | 3205 | continue; |
c5aeb40f AO |
3206 | if (r_type == (int) R_SH_NONE) |
3207 | continue; | |
37c644f2 AO |
3208 | |
3209 | if (r_type < 0 | |
3210 | || r_type >= R_SH_max | |
3211 | || (r_type >= (int) R_SH_FIRST_INVALID_RELOC | |
06bb75c1 | 3212 | && r_type <= (int) R_SH_LAST_INVALID_RELOC) |
fbca6ad9 AO |
3213 | || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_3 |
3214 | && r_type <= (int) R_SH_LAST_INVALID_RELOC_3) | |
3215 | || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_4 | |
3216 | && r_type <= (int) R_SH_LAST_INVALID_RELOC_4) | |
3376eaf5 KK |
3217 | || ( r_type >= (int) R_SH_FIRST_INVALID_RELOC_5 |
3218 | && r_type <= (int) R_SH_LAST_INVALID_RELOC_5) | |
06bb75c1 AO |
3219 | || (r_type >= (int) R_SH_FIRST_INVALID_RELOC_2 |
3220 | && r_type <= (int) R_SH_LAST_INVALID_RELOC_2)) | |
37c644f2 AO |
3221 | { |
3222 | bfd_set_error (bfd_error_bad_value); | |
b34976b6 | 3223 | return FALSE; |
37c644f2 AO |
3224 | } |
3225 | ||
55e6e397 | 3226 | howto = get_howto_table (output_bfd) + r_type; |
37c644f2 | 3227 | |
146be91a | 3228 | /* For relocs that aren't partial_inplace, we get the addend from |
067653c5 | 3229 | the relocation. */ |
146be91a HPN |
3230 | if (! howto->partial_inplace) |
3231 | addend = rel->r_addend; | |
3232 | ||
37c644f2 AO |
3233 | h = NULL; |
3234 | sym = NULL; | |
3235 | sec = NULL; | |
3236 | if (r_symndx < symtab_hdr->sh_info) | |
3237 | { | |
3238 | sym = local_syms + r_symndx; | |
3239 | sec = local_sections[r_symndx]; | |
3240 | relocation = (sec->output_section->vma | |
3241 | + sec->output_offset | |
3242 | + sym->st_value); | |
fbca6ad9 AO |
3243 | /* A local symbol never has STO_SH5_ISA32, so we don't need |
3244 | datalabel processing here. Make sure this does not change | |
3245 | without notice. */ | |
3246 | if ((sym->st_other & STO_SH5_ISA32) != 0) | |
3247 | ((*info->callbacks->reloc_dangerous) | |
3248 | (info, | |
3249 | _("Unexpected STO_SH5_ISA32 on local symbol is not handled"), | |
3250 | input_bfd, input_section, rel->r_offset)); | |
ab96bf03 AM |
3251 | |
3252 | if (sec != NULL && elf_discarded_section (sec)) | |
3253 | /* Handled below. */ | |
3254 | ; | |
3255 | else if (info->relocatable) | |
8a3975e6 | 3256 | { |
1049f94e | 3257 | /* This is a relocatable link. We don't have to change |
8a3975e6 AO |
3258 | anything, unless the reloc is against a section symbol, |
3259 | in which case we have to adjust according to where the | |
3260 | section symbol winds up in the output section. */ | |
8a3975e6 | 3261 | if (ELF_ST_TYPE (sym->st_info) == STT_SECTION) |
146be91a HPN |
3262 | { |
3263 | if (! howto->partial_inplace) | |
3264 | { | |
3265 | /* For relocations with the addend in the | |
3266 | relocation, we need just to update the addend. | |
3267 | All real relocs are of type partial_inplace; this | |
3268 | code is mostly for completeness. */ | |
ab96bf03 | 3269 | rel->r_addend += sec->output_offset; |
146be91a HPN |
3270 | |
3271 | continue; | |
3272 | } | |
3273 | ||
3274 | /* Relocs of type partial_inplace need to pick up the | |
3275 | contents in the contents and add the offset resulting | |
3276 | from the changed location of the section symbol. | |
3277 | Using _bfd_final_link_relocate (e.g. goto | |
3278 | final_link_relocate) here would be wrong, because | |
3279 | relocations marked pc_relative would get the current | |
3280 | location subtracted, and we must only do that at the | |
3281 | final link. */ | |
3282 | r = _bfd_relocate_contents (howto, input_bfd, | |
3283 | sec->output_offset | |
3284 | + sym->st_value, | |
3285 | contents + rel->r_offset); | |
3286 | goto relocation_done; | |
3287 | } | |
8a3975e6 AO |
3288 | |
3289 | continue; | |
3290 | } | |
f8df10f4 JJ |
3291 | else if (! howto->partial_inplace) |
3292 | { | |
8517fae7 | 3293 | relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel); |
f8df10f4 JJ |
3294 | addend = rel->r_addend; |
3295 | } | |
3296 | else if ((sec->flags & SEC_MERGE) | |
3297 | && ELF_ST_TYPE (sym->st_info) == STT_SECTION) | |
3298 | { | |
3299 | asection *msec; | |
3300 | ||
3301 | if (howto->rightshift || howto->src_mask != 0xffffffff) | |
3302 | { | |
3303 | (*_bfd_error_handler) | |
d003868e AM |
3304 | (_("%B(%A+0x%lx): %s relocation against SEC_MERGE section"), |
3305 | input_bfd, input_section, | |
f8df10f4 | 3306 | (long) rel->r_offset, howto->name); |
b34976b6 | 3307 | return FALSE; |
f8df10f4 JJ |
3308 | } |
3309 | ||
067653c5 AM |
3310 | addend = bfd_get_32 (input_bfd, contents + rel->r_offset); |
3311 | msec = sec; | |
3312 | addend = | |
c629eae0 | 3313 | _bfd_elf_rel_local_sym (output_bfd, sym, &msec, addend) |
f8df10f4 JJ |
3314 | - relocation; |
3315 | addend += msec->output_section->vma + msec->output_offset; | |
3316 | bfd_put_32 (input_bfd, addend, contents + rel->r_offset); | |
3317 | addend = 0; | |
3318 | } | |
37c644f2 AO |
3319 | } |
3320 | else | |
3321 | { | |
560e09e9 NC |
3322 | /* FIXME: Ought to make use of the RELOC_FOR_GLOBAL_SYMBOL macro. */ |
3323 | ||
ab96bf03 | 3324 | relocation = 0; |
37c644f2 AO |
3325 | h = sym_hashes[r_symndx - symtab_hdr->sh_info]; |
3326 | while (h->root.type == bfd_link_hash_indirect | |
3327 | || h->root.type == bfd_link_hash_warning) | |
fbca6ad9 AO |
3328 | { |
3329 | #ifdef INCLUDE_SHMEDIA | |
3330 | /* If the reference passes a symbol marked with | |
3331 | STT_DATALABEL, then any STO_SH5_ISA32 on the final value | |
3332 | doesn't count. */ | |
3333 | seen_stt_datalabel |= h->type == STT_DATALABEL; | |
3334 | #endif | |
3335 | h = (struct elf_link_hash_entry *) h->root.u.i.link; | |
3336 | } | |
37c644f2 AO |
3337 | if (h->root.type == bfd_link_hash_defined |
3338 | || h->root.type == bfd_link_hash_defweak) | |
3339 | { | |
b34976b6 | 3340 | bfd_boolean dyn; |
067653c5 AM |
3341 | |
3342 | dyn = htab->root.dynamic_sections_created; | |
37c644f2 AO |
3343 | sec = h->root.u.def.section; |
3344 | /* In these cases, we don't need the relocation value. | |
3345 | We check specially because in some obscure cases | |
435b1e90 | 3346 | sec->output_section will be NULL. */ |
37c644f2 | 3347 | if (r_type == R_SH_GOTPC |
fbca6ad9 AO |
3348 | || r_type == R_SH_GOTPC_LOW16 |
3349 | || r_type == R_SH_GOTPC_MEDLOW16 | |
3350 | || r_type == R_SH_GOTPC_MEDHI16 | |
3351 | || r_type == R_SH_GOTPC_HI16 | |
3352 | || ((r_type == R_SH_PLT32 | |
3353 | || r_type == R_SH_PLT_LOW16 | |
3354 | || r_type == R_SH_PLT_MEDLOW16 | |
3355 | || r_type == R_SH_PLT_MEDHI16 | |
3356 | || r_type == R_SH_PLT_HI16) | |
37c644f2 | 3357 | && h->plt.offset != (bfd_vma) -1) |
fbca6ad9 AO |
3358 | || ((r_type == R_SH_GOT32 |
3359 | || r_type == R_SH_GOT_LOW16 | |
3360 | || r_type == R_SH_GOT_MEDLOW16 | |
3361 | || r_type == R_SH_GOT_MEDHI16 | |
3362 | || r_type == R_SH_GOT_HI16) | |
267fb3c1 | 3363 | && WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h) |
37c644f2 AO |
3364 | && (! info->shared |
3365 | || (! info->symbolic && h->dynindx != -1) | |
f5385ebf | 3366 | || !h->def_regular)) |
37c644f2 AO |
3367 | /* The cases above are those in which relocation is |
3368 | overwritten in the switch block below. The cases | |
3369 | below are those in which we must defer relocation | |
3370 | to run-time, because we can't resolve absolute | |
3371 | addresses when creating a shared library. */ | |
3372 | || (info->shared | |
3373 | && ((! info->symbolic && h->dynindx != -1) | |
f5385ebf | 3374 | || !h->def_regular) |
37c644f2 | 3375 | && ((r_type == R_SH_DIR32 |
f5385ebf | 3376 | && !h->forced_local) |
f50ad433 KK |
3377 | || (r_type == R_SH_REL32 |
3378 | && !SYMBOL_CALLS_LOCAL (info, h))) | |
37c644f2 AO |
3379 | && ((input_section->flags & SEC_ALLOC) != 0 |
3380 | /* DWARF will emit R_SH_DIR32 relocations in its | |
3381 | sections against symbols defined externally | |
3382 | in shared libraries. We can't do anything | |
3383 | with them here. */ | |
067653c5 | 3384 | || ((input_section->flags & SEC_DEBUGGING) != 0 |
f5385ebf | 3385 | && h->def_dynamic))) |
1448fa32 KK |
3386 | /* Dynamic relocs are not propagated for SEC_DEBUGGING |
3387 | sections because such sections are not SEC_ALLOC and | |
3388 | thus ld.so will not process them. */ | |
3389 | || (sec->output_section == NULL | |
3390 | && ((input_section->flags & SEC_DEBUGGING) != 0 | |
f5385ebf | 3391 | && h->def_dynamic)) |
3376eaf5 KK |
3392 | || (sec->output_section == NULL |
3393 | && (sh_elf_hash_entry (h)->tls_type == GOT_TLS_IE | |
3394 | || sh_elf_hash_entry (h)->tls_type == GOT_TLS_GD))) | |
ab96bf03 AM |
3395 | ; |
3396 | else if (sec->output_section != NULL) | |
3397 | relocation = ((h->root.u.def.value | |
3398 | + sec->output_section->vma | |
3399 | + sec->output_offset) | |
3400 | /* A STO_SH5_ISA32 causes a "bitor 1" to the | |
3401 | symbol value, unless we've seen | |
3402 | STT_DATALABEL on the way to it. */ | |
3403 | | ((h->other & STO_SH5_ISA32) != 0 | |
3404 | && ! seen_stt_datalabel)); | |
3405 | else if (!info->relocatable) | |
37c644f2 AO |
3406 | { |
3407 | (*_bfd_error_handler) | |
843fe662 L |
3408 | (_("%B(%A+0x%lx): unresolvable %s relocation against symbol `%s'"), |
3409 | input_bfd, | |
3410 | input_section, | |
3411 | (long) rel->r_offset, | |
3412 | howto->name, | |
3413 | h->root.root.string); | |
b34976b6 | 3414 | return FALSE; |
37c644f2 | 3415 | } |
37c644f2 AO |
3416 | } |
3417 | else if (h->root.type == bfd_link_hash_undefweak) | |
ab96bf03 | 3418 | ; |
59c2e50f | 3419 | else if (info->unresolved_syms_in_objects == RM_IGNORE |
067653c5 | 3420 | && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT) |
ab96bf03 AM |
3421 | ; |
3422 | else if (!info->relocatable) | |
37c644f2 | 3423 | { |
560e09e9 NC |
3424 | if (! info->callbacks->undefined_symbol |
3425 | (info, h->root.root.string, input_bfd, | |
3426 | input_section, rel->r_offset, | |
59c2e50f | 3427 | (info->unresolved_syms_in_objects == RM_GENERATE_ERROR |
560e09e9 | 3428 | || ELF_ST_VISIBILITY (h->other)))) |
b34976b6 | 3429 | return FALSE; |
37c644f2 AO |
3430 | } |
3431 | } | |
3432 | ||
ab96bf03 AM |
3433 | if (sec != NULL && elf_discarded_section (sec)) |
3434 | { | |
3435 | /* For relocs against symbols from removed linkonce sections, | |
3436 | or sections discarded by a linker script, we just want the | |
3437 | section contents zeroed. Avoid any special processing. */ | |
3438 | _bfd_clear_contents (howto, input_bfd, contents + rel->r_offset); | |
3439 | rel->r_info = 0; | |
3440 | rel->r_addend = 0; | |
3441 | continue; | |
3442 | } | |
3443 | ||
3444 | if (info->relocatable) | |
3445 | continue; | |
3446 | ||
435b1e90 | 3447 | switch ((int) r_type) |
37c644f2 AO |
3448 | { |
3449 | final_link_relocate: | |
3450 | /* COFF relocs don't use the addend. The addend is used for | |
435b1e90 | 3451 | R_SH_DIR32 to be compatible with other compilers. */ |
37c644f2 AO |
3452 | r = _bfd_final_link_relocate (howto, input_bfd, input_section, |
3453 | contents, rel->r_offset, | |
3454 | relocation, addend); | |
3455 | break; | |
3456 | ||
3457 | case R_SH_IND12W: | |
cd6ec716 DD |
3458 | goto final_link_relocate; |
3459 | ||
37c644f2 AO |
3460 | case R_SH_DIR8WPN: |
3461 | case R_SH_DIR8WPZ: | |
3462 | case R_SH_DIR8WPL: | |
cd6ec716 DD |
3463 | /* If the reloc is against the start of this section, then |
3464 | the assembler has already taken care of it and the reloc | |
3465 | is here only to assist in relaxing. If the reloc is not | |
3466 | against the start of this section, then it's against an | |
3467 | external symbol and we must deal with it ourselves. */ | |
3468 | if (input_section->output_section->vma + input_section->output_offset | |
3469 | != relocation) | |
3470 | { | |
3471 | int disp = (relocation | |
3472 | - input_section->output_section->vma | |
3473 | - input_section->output_offset | |
3474 | - rel->r_offset); | |
3475 | int mask = 0; | |
3476 | switch (r_type) | |
3477 | { | |
3478 | case R_SH_DIR8WPN: | |
3479 | case R_SH_DIR8WPZ: mask = 1; break; | |
3480 | case R_SH_DIR8WPL: mask = 3; break; | |
3481 | default: mask = 0; break; | |
3482 | } | |
3483 | if (disp & mask) | |
3484 | { | |
3485 | ((*_bfd_error_handler) | |
d003868e AM |
3486 | (_("%B: 0x%lx: fatal: unaligned branch target for relax-support relocation"), |
3487 | input_section->owner, | |
cd6ec716 DD |
3488 | (unsigned long) rel->r_offset)); |
3489 | bfd_set_error (bfd_error_bad_value); | |
b34976b6 | 3490 | return FALSE; |
cd6ec716 DD |
3491 | } |
3492 | relocation -= 4; | |
3493 | goto final_link_relocate; | |
3494 | } | |
3495 | r = bfd_reloc_ok; | |
3496 | break; | |
37c644f2 AO |
3497 | |
3498 | default: | |
fbca6ad9 AO |
3499 | #ifdef INCLUDE_SHMEDIA |
3500 | if (shmedia_prepare_reloc (info, input_bfd, input_section, | |
3501 | contents, rel, &relocation)) | |
3502 | goto final_link_relocate; | |
3503 | #endif | |
37c644f2 | 3504 | bfd_set_error (bfd_error_bad_value); |
b34976b6 | 3505 | return FALSE; |
37c644f2 | 3506 | |
d38eb334 DD |
3507 | case R_SH_DIR16: |
3508 | case R_SH_DIR8: | |
3509 | case R_SH_DIR8U: | |
3510 | case R_SH_DIR8S: | |
3511 | case R_SH_DIR4U: | |
3512 | goto final_link_relocate; | |
3513 | ||
3514 | case R_SH_DIR8UL: | |
3515 | case R_SH_DIR4UL: | |
3516 | if (relocation & 3) | |
3517 | { | |
3518 | ((*_bfd_error_handler) | |
d003868e AM |
3519 | (_("%B: 0x%lx: fatal: unaligned %s relocation 0x%lx"), |
3520 | input_section->owner, | |
d38eb334 | 3521 | (unsigned long) rel->r_offset, howto->name, |
d003868e | 3522 | (unsigned long) relocation)); |
d38eb334 DD |
3523 | bfd_set_error (bfd_error_bad_value); |
3524 | return FALSE; | |
3525 | } | |
3526 | goto final_link_relocate; | |
3527 | ||
3528 | case R_SH_DIR8UW: | |
3529 | case R_SH_DIR8SW: | |
3530 | case R_SH_DIR4UW: | |
3531 | if (relocation & 1) | |
3532 | { | |
3533 | ((*_bfd_error_handler) | |
d003868e AM |
3534 | (_("%B: 0x%lx: fatal: unaligned %s relocation 0x%lx"), |
3535 | input_section->owner, | |
d38eb334 | 3536 | (unsigned long) rel->r_offset, howto->name, |
d003868e | 3537 | (unsigned long) relocation)); |
d38eb334 DD |
3538 | bfd_set_error (bfd_error_bad_value); |
3539 | return FALSE; | |
3540 | } | |
3541 | goto final_link_relocate; | |
3542 | ||
3543 | case R_SH_PSHA: | |
3544 | if ((signed int)relocation < -32 | |
3545 | || (signed int)relocation > 32) | |
3546 | { | |
3547 | ((*_bfd_error_handler) | |
d003868e AM |
3548 | (_("%B: 0x%lx: fatal: R_SH_PSHA relocation %d not in range -32..32"), |
3549 | input_section->owner, | |
d38eb334 | 3550 | (unsigned long) rel->r_offset, |
d003868e | 3551 | (unsigned long) relocation)); |
d38eb334 DD |
3552 | bfd_set_error (bfd_error_bad_value); |
3553 | return FALSE; | |
3554 | } | |
3555 | goto final_link_relocate; | |
3556 | ||
3557 | case R_SH_PSHL: | |
3558 | if ((signed int)relocation < -16 | |
3559 | || (signed int)relocation > 16) | |
3560 | { | |
3561 | ((*_bfd_error_handler) | |
d003868e AM |
3562 | (_("%B: 0x%lx: fatal: R_SH_PSHL relocation %d not in range -32..32"), |
3563 | input_section->owner, | |
d38eb334 | 3564 | (unsigned long) rel->r_offset, |
d003868e | 3565 | (unsigned long) relocation)); |
d38eb334 DD |
3566 | bfd_set_error (bfd_error_bad_value); |
3567 | return FALSE; | |
3568 | } | |
3569 | goto final_link_relocate; | |
3570 | ||
37c644f2 AO |
3571 | case R_SH_DIR32: |
3572 | case R_SH_REL32: | |
46e993b9 KK |
3573 | #ifdef INCLUDE_SHMEDIA |
3574 | case R_SH_IMM_LOW16_PCREL: | |
3575 | case R_SH_IMM_MEDLOW16_PCREL: | |
3576 | case R_SH_IMM_MEDHI16_PCREL: | |
3577 | case R_SH_IMM_HI16_PCREL: | |
3578 | #endif | |
37c644f2 | 3579 | if (info->shared |
04e534c3 KK |
3580 | && (h == NULL |
3581 | || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT | |
3582 | || h->root.type != bfd_link_hash_undefweak) | |
ec338859 | 3583 | && r_symndx != 0 |
37c644f2 | 3584 | && (input_section->flags & SEC_ALLOC) != 0 |
46e993b9 | 3585 | && (r_type == R_SH_DIR32 |
3d85aebe | 3586 | || !SYMBOL_CALLS_LOCAL (info, h))) |
37c644f2 AO |
3587 | { |
3588 | Elf_Internal_Rela outrel; | |
947216bf | 3589 | bfd_byte *loc; |
b34976b6 | 3590 | bfd_boolean skip, relocate; |
37c644f2 AO |
3591 | |
3592 | /* When generating a shared object, these relocations | |
3593 | are copied into the output file to be resolved at run | |
3594 | time. */ | |
3595 | ||
3596 | if (sreloc == NULL) | |
3597 | { | |
3598 | const char *name; | |
3599 | ||
3600 | name = (bfd_elf_string_from_elf_section | |
3601 | (input_bfd, | |
3602 | elf_elfheader (input_bfd)->e_shstrndx, | |
3603 | elf_section_data (input_section)->rel_hdr.sh_name)); | |
3604 | if (name == NULL) | |
b34976b6 | 3605 | return FALSE; |
37c644f2 | 3606 | |
0112cd26 | 3607 | BFD_ASSERT (CONST_STRNEQ (name, ".rela") |
37c644f2 AO |
3608 | && strcmp (bfd_get_section_name (input_bfd, |
3609 | input_section), | |
3610 | name + 5) == 0); | |
3611 | ||
3612 | sreloc = bfd_get_section_by_name (dynobj, name); | |
3613 | BFD_ASSERT (sreloc != NULL); | |
3614 | } | |
3615 | ||
b34976b6 AM |
3616 | skip = FALSE; |
3617 | relocate = FALSE; | |
37c644f2 | 3618 | |
c629eae0 JJ |
3619 | outrel.r_offset = |
3620 | _bfd_elf_section_offset (output_bfd, info, input_section, | |
3621 | rel->r_offset); | |
3622 | if (outrel.r_offset == (bfd_vma) -1) | |
b34976b6 | 3623 | skip = TRUE; |
0bb2d96a | 3624 | else if (outrel.r_offset == (bfd_vma) -2) |
b34976b6 | 3625 | skip = TRUE, relocate = TRUE; |
37c644f2 AO |
3626 | outrel.r_offset += (input_section->output_section->vma |
3627 | + input_section->output_offset); | |
3628 | ||
3629 | if (skip) | |
0bb2d96a | 3630 | memset (&outrel, 0, sizeof outrel); |
37c644f2 AO |
3631 | else if (r_type == R_SH_REL32) |
3632 | { | |
3633 | BFD_ASSERT (h != NULL && h->dynindx != -1); | |
37c644f2 | 3634 | outrel.r_info = ELF32_R_INFO (h->dynindx, R_SH_REL32); |
146be91a | 3635 | outrel.r_addend |
55e6e397 RS |
3636 | = (howto->partial_inplace |
3637 | ? bfd_get_32 (input_bfd, contents + rel->r_offset) | |
3638 | : addend); | |
37c644f2 | 3639 | } |
46e993b9 KK |
3640 | #ifdef INCLUDE_SHMEDIA |
3641 | else if (r_type == R_SH_IMM_LOW16_PCREL | |
3642 | || r_type == R_SH_IMM_MEDLOW16_PCREL | |
3643 | || r_type == R_SH_IMM_MEDHI16_PCREL | |
3644 | || r_type == R_SH_IMM_HI16_PCREL) | |
3645 | { | |
3646 | BFD_ASSERT (h != NULL && h->dynindx != -1); | |
3647 | outrel.r_info = ELF32_R_INFO (h->dynindx, r_type); | |
3648 | outrel.r_addend = addend; | |
3649 | } | |
3650 | #endif | |
37c644f2 AO |
3651 | else |
3652 | { | |
3653 | /* h->dynindx may be -1 if this symbol was marked to | |
3654 | become local. */ | |
3655 | if (h == NULL | |
3656 | || ((info->symbolic || h->dynindx == -1) | |
f5385ebf | 3657 | && h->def_regular)) |
37c644f2 | 3658 | { |
55e6e397 | 3659 | relocate = howto->partial_inplace; |
37c644f2 | 3660 | outrel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE); |
37c644f2 AO |
3661 | } |
3662 | else | |
3663 | { | |
3664 | BFD_ASSERT (h->dynindx != -1); | |
37c644f2 | 3665 | outrel.r_info = ELF32_R_INFO (h->dynindx, R_SH_DIR32); |
37c644f2 | 3666 | } |
55e6e397 RS |
3667 | outrel.r_addend = relocation; |
3668 | outrel.r_addend | |
3669 | += (howto->partial_inplace | |
3670 | ? bfd_get_32 (input_bfd, contents + rel->r_offset) | |
3671 | : addend); | |
37c644f2 AO |
3672 | } |
3673 | ||
947216bf AM |
3674 | loc = sreloc->contents; |
3675 | loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela); | |
3676 | bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc); | |
37c644f2 AO |
3677 | |
3678 | /* If this reloc is against an external symbol, we do | |
3679 | not want to fiddle with the addend. Otherwise, we | |
3680 | need to include the symbol value so that it becomes | |
3681 | an addend for the dynamic reloc. */ | |
3682 | if (! relocate) | |
3683 | continue; | |
3684 | } | |
37c644f2 AO |
3685 | goto final_link_relocate; |
3686 | ||
fbca6ad9 AO |
3687 | case R_SH_GOTPLT32: |
3688 | #ifdef INCLUDE_SHMEDIA | |
3689 | case R_SH_GOTPLT_LOW16: | |
3690 | case R_SH_GOTPLT_MEDLOW16: | |
3691 | case R_SH_GOTPLT_MEDHI16: | |
3692 | case R_SH_GOTPLT_HI16: | |
3693 | case R_SH_GOTPLT10BY4: | |
3694 | case R_SH_GOTPLT10BY8: | |
3695 | #endif | |
3696 | /* Relocation is to the entry for this symbol in the | |
3697 | procedure linkage table. */ | |
3698 | ||
3699 | if (h == NULL | |
f5385ebf | 3700 | || h->forced_local |
fbca6ad9 AO |
3701 | || ! info->shared |
3702 | || info->symbolic | |
3703 | || h->dynindx == -1 | |
3704 | || h->plt.offset == (bfd_vma) -1 | |
3705 | || h->got.offset != (bfd_vma) -1) | |
3706 | goto force_got; | |
3707 | ||
3708 | /* Relocation is to the entry for this symbol in the global | |
3709 | offset table extension for the procedure linkage table. */ | |
fbca6ad9 | 3710 | |
067653c5 | 3711 | BFD_ASSERT (sgotplt != NULL); |
fbca6ad9 | 3712 | relocation = (sgotplt->output_offset |
55e6e397 RS |
3713 | + (get_plt_index (htab->plt_info, h->plt.offset) |
3714 | + 3) * 4); | |
fbca6ad9 AO |
3715 | |
3716 | #ifdef GOT_BIAS | |
3717 | relocation -= GOT_BIAS; | |
3718 | #endif | |
3719 | ||
3720 | goto final_link_relocate; | |
3721 | ||
3722 | force_got: | |
37c644f2 | 3723 | case R_SH_GOT32: |
fbca6ad9 AO |
3724 | #ifdef INCLUDE_SHMEDIA |
3725 | case R_SH_GOT_LOW16: | |
3726 | case R_SH_GOT_MEDLOW16: | |
3727 | case R_SH_GOT_MEDHI16: | |
3728 | case R_SH_GOT_HI16: | |
3729 | case R_SH_GOT10BY4: | |
3730 | case R_SH_GOT10BY8: | |
3731 | #endif | |
37c644f2 AO |
3732 | /* Relocation is to the entry for this symbol in the global |
3733 | offset table. */ | |
067653c5 AM |
3734 | |
3735 | BFD_ASSERT (sgot != NULL); | |
37c644f2 AO |
3736 | |
3737 | if (h != NULL) | |
3738 | { | |
b34976b6 | 3739 | bfd_boolean dyn; |
37c644f2 AO |
3740 | |
3741 | off = h->got.offset; | |
fbca6ad9 AO |
3742 | #ifdef INCLUDE_SHMEDIA |
3743 | if (seen_stt_datalabel) | |
3744 | { | |
3745 | struct elf_sh_link_hash_entry *hsh; | |
3746 | ||
3747 | hsh = (struct elf_sh_link_hash_entry *)h; | |
396a6083 | 3748 | off = hsh->datalabel_got.offset; |
fbca6ad9 AO |
3749 | } |
3750 | #endif | |
37c644f2 AO |
3751 | BFD_ASSERT (off != (bfd_vma) -1); |
3752 | ||
067653c5 | 3753 | dyn = htab->root.dynamic_sections_created; |
267fb3c1 | 3754 | if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h) |
37c644f2 | 3755 | || (info->shared |
3d85aebe | 3756 | && SYMBOL_REFERENCES_LOCAL (info, h)) |
04e534c3 KK |
3757 | || (ELF_ST_VISIBILITY (h->other) |
3758 | && h->root.type == bfd_link_hash_undefweak)) | |
37c644f2 AO |
3759 | { |
3760 | /* This is actually a static link, or it is a | |
3761 | -Bsymbolic link and the symbol is defined | |
3762 | locally, or the symbol was forced to be local | |
3763 | because of a version file. We must initialize | |
3764 | this entry in the global offset table. Since the | |
3765 | offset must always be a multiple of 4, we use the | |
3766 | least significant bit to record whether we have | |
3767 | initialized it already. | |
3768 | ||
3769 | When doing a dynamic link, we create a .rela.got | |
3770 | relocation entry to initialize the value. This | |
3771 | is done in the finish_dynamic_symbol routine. */ | |
3772 | if ((off & 1) != 0) | |
3773 | off &= ~1; | |
3774 | else | |
3775 | { | |
3776 | bfd_put_32 (output_bfd, relocation, | |
3777 | sgot->contents + off); | |
fbca6ad9 AO |
3778 | #ifdef INCLUDE_SHMEDIA |
3779 | if (seen_stt_datalabel) | |
3780 | { | |
3781 | struct elf_sh_link_hash_entry *hsh; | |
3782 | ||
3783 | hsh = (struct elf_sh_link_hash_entry *)h; | |
396a6083 | 3784 | hsh->datalabel_got.offset |= 1; |
fbca6ad9 AO |
3785 | } |
3786 | else | |
3787 | #endif | |
3788 | h->got.offset |= 1; | |
37c644f2 AO |
3789 | } |
3790 | } | |
3791 | ||
3792 | relocation = sgot->output_offset + off; | |
3793 | } | |
3794 | else | |
3795 | { | |
fbca6ad9 AO |
3796 | #ifdef INCLUDE_SHMEDIA |
3797 | if (rel->r_addend) | |
3798 | { | |
3799 | BFD_ASSERT (local_got_offsets != NULL | |
3800 | && (local_got_offsets[symtab_hdr->sh_info | |
3801 | + r_symndx] | |
3802 | != (bfd_vma) -1)); | |
3803 | ||
3804 | off = local_got_offsets[symtab_hdr->sh_info | |
3805 | + r_symndx]; | |
3806 | } | |
3807 | else | |
3808 | { | |
3809 | #endif | |
37c644f2 AO |
3810 | BFD_ASSERT (local_got_offsets != NULL |
3811 | && local_got_offsets[r_symndx] != (bfd_vma) -1); | |
3812 | ||
3813 | off = local_got_offsets[r_symndx]; | |
fbca6ad9 AO |
3814 | #ifdef INCLUDE_SHMEDIA |
3815 | } | |
3816 | #endif | |
37c644f2 AO |
3817 | |
3818 | /* The offset must always be a multiple of 4. We use | |
3819 | the least significant bit to record whether we have | |
3820 | already generated the necessary reloc. */ | |
3821 | if ((off & 1) != 0) | |
3822 | off &= ~1; | |
3823 | else | |
3824 | { | |
3825 | bfd_put_32 (output_bfd, relocation, sgot->contents + off); | |
3826 | ||
3827 | if (info->shared) | |
3828 | { | |
37c644f2 | 3829 | Elf_Internal_Rela outrel; |
947216bf | 3830 | bfd_byte *loc; |
37c644f2 | 3831 | |
3376eaf5 KK |
3832 | if (srelgot == NULL) |
3833 | { | |
3834 | srelgot = bfd_get_section_by_name (dynobj, | |
3835 | ".rela.got"); | |
3836 | BFD_ASSERT (srelgot != NULL); | |
3837 | } | |
37c644f2 AO |
3838 | |
3839 | outrel.r_offset = (sgot->output_section->vma | |
3840 | + sgot->output_offset | |
3841 | + off); | |
3842 | outrel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE); | |
3843 | outrel.r_addend = relocation; | |
947216bf AM |
3844 | loc = srelgot->contents; |
3845 | loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela); | |
3846 | bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc); | |
37c644f2 AO |
3847 | } |
3848 | ||
fbca6ad9 AO |
3849 | #ifdef INCLUDE_SHMEDIA |
3850 | if (rel->r_addend) | |
3851 | local_got_offsets[symtab_hdr->sh_info + r_symndx] |= 1; | |
3852 | else | |
3853 | #endif | |
3854 | local_got_offsets[r_symndx] |= 1; | |
37c644f2 AO |
3855 | } |
3856 | ||
3857 | relocation = sgot->output_offset + off; | |
3858 | } | |
3859 | ||
fbca6ad9 | 3860 | #ifdef GOT_BIAS |
067653c5 | 3861 | relocation -= GOT_BIAS; |
fbca6ad9 AO |
3862 | #endif |
3863 | ||
37c644f2 AO |
3864 | goto final_link_relocate; |
3865 | ||
3866 | case R_SH_GOTOFF: | |
fbca6ad9 AO |
3867 | #ifdef INCLUDE_SHMEDIA |
3868 | case R_SH_GOTOFF_LOW16: | |
3869 | case R_SH_GOTOFF_MEDLOW16: | |
3870 | case R_SH_GOTOFF_MEDHI16: | |
3871 | case R_SH_GOTOFF_HI16: | |
3872 | #endif | |
37c644f2 AO |
3873 | /* Relocation is relative to the start of the global offset |
3874 | table. */ | |
3875 | ||
067653c5 | 3876 | BFD_ASSERT (sgot != NULL); |
37c644f2 AO |
3877 | |
3878 | /* Note that sgot->output_offset is not involved in this | |
3879 | calculation. We always want the start of .got. If we | |
3880 | defined _GLOBAL_OFFSET_TABLE in a different way, as is | |
3881 | permitted by the ABI, we might have to change this | |
3882 | calculation. */ | |
3883 | relocation -= sgot->output_section->vma; | |
3884 | ||
fbca6ad9 AO |
3885 | #ifdef GOT_BIAS |
3886 | relocation -= GOT_BIAS; | |
3887 | #endif | |
3888 | ||
3889 | addend = rel->r_addend; | |
3890 | ||
37c644f2 AO |
3891 | goto final_link_relocate; |
3892 | ||
3893 | case R_SH_GOTPC: | |
fbca6ad9 AO |
3894 | #ifdef INCLUDE_SHMEDIA |
3895 | case R_SH_GOTPC_LOW16: | |
3896 | case R_SH_GOTPC_MEDLOW16: | |
3897 | case R_SH_GOTPC_MEDHI16: | |
3898 | case R_SH_GOTPC_HI16: | |
3899 | #endif | |
37c644f2 AO |
3900 | /* Use global offset table as symbol value. */ |
3901 | ||
067653c5 | 3902 | BFD_ASSERT (sgot != NULL); |
37c644f2 AO |
3903 | relocation = sgot->output_section->vma; |
3904 | ||
fbca6ad9 AO |
3905 | #ifdef GOT_BIAS |
3906 | relocation += GOT_BIAS; | |
3907 | #endif | |
3908 | ||
3909 | addend = rel->r_addend; | |
3910 | ||
37c644f2 AO |
3911 | goto final_link_relocate; |
3912 | ||
3913 | case R_SH_PLT32: | |
fbca6ad9 AO |
3914 | #ifdef INCLUDE_SHMEDIA |
3915 | case R_SH_PLT_LOW16: | |
3916 | case R_SH_PLT_MEDLOW16: | |
3917 | case R_SH_PLT_MEDHI16: | |
3918 | case R_SH_PLT_HI16: | |
3919 | #endif | |
37c644f2 AO |
3920 | /* Relocation is to the entry for this symbol in the |
3921 | procedure linkage table. */ | |
3922 | ||
3923 | /* Resolve a PLT reloc against a local symbol directly, | |
3924 | without using the procedure linkage table. */ | |
3925 | if (h == NULL) | |
3926 | goto final_link_relocate; | |
3927 | ||
f5385ebf | 3928 | if (h->forced_local) |
37c644f2 AO |
3929 | goto final_link_relocate; |
3930 | ||
3931 | if (h->plt.offset == (bfd_vma) -1) | |
3932 | { | |
3933 | /* We didn't make a PLT entry for this symbol. This | |
3934 | happens when statically linking PIC code, or when | |
3935 | using -Bsymbolic. */ | |
3936 | goto final_link_relocate; | |
3937 | } | |
3938 | ||
067653c5 | 3939 | BFD_ASSERT (splt != NULL); |
37c644f2 AO |
3940 | relocation = (splt->output_section->vma |
3941 | + splt->output_offset | |
3942 | + h->plt.offset); | |
3943 | ||
fbca6ad9 AO |
3944 | #ifdef INCLUDE_SHMEDIA |
3945 | relocation++; | |
3946 | #endif | |
3947 | ||
3948 | addend = rel->r_addend; | |
3949 | ||
37c644f2 AO |
3950 | goto final_link_relocate; |
3951 | ||
3952 | case R_SH_LOOP_START: | |
3953 | { | |
3954 | static bfd_vma start, end; | |
3955 | ||
3956 | start = (relocation + rel->r_addend | |
3957 | - (sec->output_section->vma + sec->output_offset)); | |
3958 | r = sh_elf_reloc_loop (r_type, input_bfd, input_section, contents, | |
3959 | rel->r_offset, sec, start, end); | |
3960 | break; | |
3961 | ||
3962 | case R_SH_LOOP_END: | |
3963 | end = (relocation + rel->r_addend | |
3964 | - (sec->output_section->vma + sec->output_offset)); | |
3965 | r = sh_elf_reloc_loop (r_type, input_bfd, input_section, contents, | |
3966 | rel->r_offset, sec, start, end); | |
3967 | break; | |
3968 | } | |
3376eaf5 KK |
3969 | |
3970 | case R_SH_TLS_GD_32: | |
3971 | case R_SH_TLS_IE_32: | |
3972 | r_type = sh_elf_optimized_tls_reloc (info, r_type, h == NULL); | |
3973 | tls_type = GOT_UNKNOWN; | |
3974 | if (h == NULL && local_got_offsets) | |
3975 | tls_type = sh_elf_local_got_tls_type (input_bfd) [r_symndx]; | |
3976 | else if (h != NULL) | |
3977 | { | |
3978 | tls_type = sh_elf_hash_entry (h)->tls_type; | |
3979 | if (! info->shared | |
3980 | && (h->dynindx == -1 | |
f5385ebf | 3981 | || h->def_regular)) |
267fb3c1 | 3982 | r_type = R_SH_TLS_LE_32; |
3376eaf5 KK |
3983 | } |
3984 | ||
3985 | if (r_type == R_SH_TLS_GD_32 && tls_type == GOT_TLS_IE) | |
3986 | r_type = R_SH_TLS_IE_32; | |
3987 | ||
3988 | if (r_type == R_SH_TLS_LE_32) | |
3989 | { | |
3990 | bfd_vma offset; | |
3991 | unsigned short insn; | |
3376eaf5 KK |
3992 | |
3993 | if (ELF32_R_TYPE (rel->r_info) == R_SH_TLS_GD_32) | |
3994 | { | |
3995 | /* GD->LE transition: | |
3996 | mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1; | |
b34976b6 | 3997 | jsr @r1; add r12,r4; bra 3f; nop; .align 2; |
3376eaf5 KK |
3998 | 1: .long x$TLSGD; 2: .long __tls_get_addr@PLT; 3: |
3999 | We change it into: | |
4000 | mov.l 1f,r4; stc gbr,r0; add r4,r0; nop; | |
4001 | nop; nop; ... | |
4002 | 1: .long x@TPOFF; 2: .long __tls_get_addr@PLT; 3:. */ | |
4003 | ||
4004 | offset = rel->r_offset; | |
4005 | BFD_ASSERT (offset >= 16); | |
4006 | /* Size of GD instructions is 16 or 18. */ | |
4007 | offset -= 16; | |
4008 | insn = bfd_get_16 (input_bfd, contents + offset + 0); | |
4009 | if ((insn & 0xff00) == 0xc700) | |
4010 | { | |
4011 | BFD_ASSERT (offset >= 2); | |
4012 | offset -= 2; | |
4013 | insn = bfd_get_16 (input_bfd, contents + offset + 0); | |
4014 | } | |
4015 | ||
4016 | BFD_ASSERT ((insn & 0xff00) == 0xd400); | |
4017 | insn = bfd_get_16 (input_bfd, contents + offset + 2); | |
4018 | BFD_ASSERT ((insn & 0xff00) == 0xc700); | |
4019 | insn = bfd_get_16 (input_bfd, contents + offset + 4); | |
4020 | BFD_ASSERT ((insn & 0xff00) == 0xd100); | |
4021 | insn = bfd_get_16 (input_bfd, contents + offset + 6); | |
4022 | BFD_ASSERT (insn == 0x310c); | |
4023 | insn = bfd_get_16 (input_bfd, contents + offset + 8); | |
4024 | BFD_ASSERT (insn == 0x410b); | |
4025 | insn = bfd_get_16 (input_bfd, contents + offset + 10); | |
4026 | BFD_ASSERT (insn == 0x34cc); | |
4027 | ||
4028 | bfd_put_16 (output_bfd, 0x0012, contents + offset + 2); | |
4029 | bfd_put_16 (output_bfd, 0x304c, contents + offset + 4); | |
4030 | bfd_put_16 (output_bfd, 0x0009, contents + offset + 6); | |
4031 | bfd_put_16 (output_bfd, 0x0009, contents + offset + 8); | |
4032 | bfd_put_16 (output_bfd, 0x0009, contents + offset + 10); | |
4033 | } | |
4034 | else | |
4035 | { | |
4036 | int index; | |
4037 | ||
4038 | /* IE->LE transition: | |
4039 | mov.l 1f,r0; stc gbr,rN; mov.l @(r0,r12),rM; | |
4040 | bra 2f; add ...; .align 2; 1: x@GOTTPOFF; 2: | |
4041 | We change it into: | |
4042 | mov.l .Ln,rM; stc gbr,rN; nop; ...; | |
4043 | 1: x@TPOFF; 2:. */ | |
4044 | ||
4045 | offset = rel->r_offset; | |
4046 | BFD_ASSERT (offset >= 16); | |
4047 | /* Size of IE instructions is 10 or 12. */ | |
4048 | offset -= 10; | |
4049 | insn = bfd_get_16 (input_bfd, contents + offset + 0); | |
4050 | if ((insn & 0xf0ff) == 0x0012) | |
4051 | { | |
4052 | BFD_ASSERT (offset >= 2); | |
4053 | offset -= 2; | |
4054 | insn = bfd_get_16 (input_bfd, contents + offset + 0); | |
4055 | } | |
4056 | ||
4057 | BFD_ASSERT ((insn & 0xff00) == 0xd000); | |
4058 | index = insn & 0x00ff; | |
4059 | insn = bfd_get_16 (input_bfd, contents + offset + 2); | |
4060 | BFD_ASSERT ((insn & 0xf0ff) == 0x0012); | |
4061 | insn = bfd_get_16 (input_bfd, contents + offset + 4); | |
4062 | BFD_ASSERT ((insn & 0xf0ff) == 0x00ce); | |
4063 | insn = 0xd000 | (insn & 0x0f00) | index; | |
4064 | bfd_put_16 (output_bfd, insn, contents + offset + 0); | |
4065 | bfd_put_16 (output_bfd, 0x0009, contents + offset + 4); | |
4066 | } | |
4067 | ||
267fb3c1 KK |
4068 | bfd_put_32 (output_bfd, tpoff (info, relocation), |
4069 | contents + rel->r_offset); | |
3376eaf5 KK |
4070 | continue; |
4071 | } | |
4072 | ||
4073 | sgot = htab->sgot; | |
4074 | if (sgot == NULL) | |
4075 | abort (); | |
4076 | ||
4077 | if (h != NULL) | |
4078 | off = h->got.offset; | |
4079 | else | |
4080 | { | |
4081 | if (local_got_offsets == NULL) | |
4082 | abort (); | |
4083 | ||
4084 | off = local_got_offsets[r_symndx]; | |
4085 | } | |
4086 | ||
267fb3c1 KK |
4087 | /* Relocate R_SH_TLS_IE_32 directly when statically linking. */ |
4088 | if (r_type == R_SH_TLS_IE_32 | |
4089 | && ! htab->root.dynamic_sections_created) | |
4090 | { | |
4091 | off &= ~1; | |
4092 | bfd_put_32 (output_bfd, tpoff (info, relocation), | |
4093 | sgot->contents + off); | |
4094 | bfd_put_32 (output_bfd, sgot->output_offset + off, | |
4095 | contents + rel->r_offset); | |
4096 | continue; | |
4097 | } | |
4098 | ||
3376eaf5 KK |
4099 | if ((off & 1) != 0) |
4100 | off &= ~1; | |
26e41594 | 4101 | else |
3376eaf5 KK |
4102 | { |
4103 | Elf_Internal_Rela outrel; | |
947216bf | 4104 | bfd_byte *loc; |
3376eaf5 KK |
4105 | int dr_type, indx; |
4106 | ||
4107 | if (srelgot == NULL) | |
4108 | { | |
4109 | srelgot = bfd_get_section_by_name (dynobj, ".rela.got"); | |
4110 | BFD_ASSERT (srelgot != NULL); | |
4111 | } | |
4112 | ||
4113 | outrel.r_offset = (sgot->output_section->vma | |
4114 | + sgot->output_offset + off); | |
4115 | ||
267fb3c1 | 4116 | if (h == NULL || h->dynindx == -1) |
c95b8a7a KK |
4117 | indx = 0; |
4118 | else | |
4119 | indx = h->dynindx; | |
267fb3c1 | 4120 | |
3376eaf5 KK |
4121 | dr_type = (r_type == R_SH_TLS_GD_32 ? R_SH_TLS_DTPMOD32 : |
4122 | R_SH_TLS_TPOFF32); | |
4123 | if (dr_type == R_SH_TLS_TPOFF32 && indx == 0) | |
4124 | outrel.r_addend = relocation - dtpoff_base (info); | |
4125 | else | |
4126 | outrel.r_addend = 0; | |
4127 | outrel.r_info = ELF32_R_INFO (indx, dr_type); | |
947216bf AM |
4128 | loc = srelgot->contents; |
4129 | loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela); | |
3376eaf5 KK |
4130 | bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc); |
4131 | ||
4132 | if (r_type == R_SH_TLS_GD_32) | |
4133 | { | |
4134 | if (indx == 0) | |
4135 | { | |
4136 | bfd_put_32 (output_bfd, | |
4137 | relocation - dtpoff_base (info), | |
4138 | sgot->contents + off + 4); | |
4139 | } | |
4140 | else | |
4141 | { | |
4142 | outrel.r_info = ELF32_R_INFO (indx, | |
4143 | R_SH_TLS_DTPOFF32); | |
4144 | outrel.r_offset += 4; | |
4145 | outrel.r_addend = 0; | |
4146 | srelgot->reloc_count++; | |
947216bf AM |
4147 | loc += sizeof (Elf32_External_Rela); |
4148 | bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc); | |
3376eaf5 KK |
4149 | } |
4150 | } | |
4151 | ||
4152 | if (h != NULL) | |
4153 | h->got.offset |= 1; | |
4154 | else | |
4155 | local_got_offsets[r_symndx] |= 1; | |
4156 | } | |
4157 | ||
4158 | if (off >= (bfd_vma) -2) | |
4159 | abort (); | |
4160 | ||
4161 | if (r_type == (int) ELF32_R_TYPE (rel->r_info)) | |
4162 | relocation = sgot->output_offset + off; | |
4163 | else | |
4164 | { | |
4165 | bfd_vma offset; | |
4166 | unsigned short insn; | |
4167 | ||
4168 | /* GD->IE transition: | |
4169 | mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1; | |
4170 | jsr @r1; add r12,r4; bra 3f; nop; .align 2; | |
4171 | 1: .long x$TLSGD; 2: .long __tls_get_addr@PLT; 3: | |
4172 | We change it into: | |
4173 | mov.l 1f,r0; stc gbr,r4; mov.l @(r0,r12),r0; add r4,r0; | |
4174 | nop; nop; bra 3f; nop; .align 2; | |
4175 | 1: .long x@TPOFF; 2:...; 3:. */ | |
4176 | ||
4177 | offset = rel->r_offset; | |
4178 | BFD_ASSERT (offset >= 16); | |
4179 | /* Size of GD instructions is 16 or 18. */ | |
4180 | offset -= 16; | |
4181 | insn = bfd_get_16 (input_bfd, contents + offset + 0); | |
4182 | if ((insn & 0xff00) == 0xc700) | |
4183 | { | |
4184 | BFD_ASSERT (offset >= 2); | |
4185 | offset -= 2; | |
4186 | insn = bfd_get_16 (input_bfd, contents + offset + 0); | |
4187 | } | |
4188 | ||
4189 | BFD_ASSERT ((insn & 0xff00) == 0xd400); | |
4190 | ||
4191 | /* Replace mov.l 1f,R4 with mov.l 1f,r0. */ | |
4192 | bfd_put_16 (output_bfd, insn & 0xf0ff, contents + offset); | |
4193 | ||
4194 | insn = bfd_get_16 (input_bfd, contents + offset + 2); | |
4195 | BFD_ASSERT ((insn & 0xff00) == 0xc700); | |
4196 | insn = bfd_get_16 (input_bfd, contents + offset + 4); | |
4197 | BFD_ASSERT ((insn & 0xff00) == 0xd100); | |
4198 | insn = bfd_get_16 (input_bfd, contents + offset + 6); | |
4199 | BFD_ASSERT (insn == 0x310c); | |
4200 | insn = bfd_get_16 (input_bfd, contents + offset + 8); | |
4201 | BFD_ASSERT (insn == 0x410b); | |
4202 | insn = bfd_get_16 (input_bfd, contents + offset + 10); | |
4203 | BFD_ASSERT (insn == 0x34cc); | |
4204 | ||
4205 | bfd_put_16 (output_bfd, 0x0412, contents + offset + 2); | |
4206 | bfd_put_16 (output_bfd, 0x00ce, contents + offset + 4); | |
4207 | bfd_put_16 (output_bfd, 0x304c, contents + offset + 6); | |
4208 | bfd_put_16 (output_bfd, 0x0009, contents + offset + 8); | |
4209 | bfd_put_16 (output_bfd, 0x0009, contents + offset + 10); | |
4210 | ||
4211 | bfd_put_32 (output_bfd, sgot->output_offset + off, | |
4212 | contents + rel->r_offset); | |
4213 | ||
4214 | continue; | |
4215 | } | |
4216 | ||
4217 | addend = rel->r_addend; | |
4218 | ||
4219 | goto final_link_relocate; | |
4220 | ||
4221 | case R_SH_TLS_LD_32: | |
4222 | if (! info->shared) | |
4223 | { | |
4224 | bfd_vma offset; | |
4225 | unsigned short insn; | |
4226 | ||
4227 | /* LD->LE transition: | |
4228 | mov.l 1f,r4; mova 2f,r0; mov.l 2f,r1; add r0,r1; | |
4229 | jsr @r1; add r12,r4; bra 3f; nop; .align 2; | |
4230 | 1: .long x$TLSLD; 2: .long __tls_get_addr@PLT; 3: | |
4231 | We change it into: | |
4232 | stc gbr,r0; nop; nop; nop; | |
4233 | nop; nop; bra 3f; ...; 3:. */ | |
4234 | ||
4235 | offset = rel->r_offset; | |
4236 | BFD_ASSERT (offset >= 16); | |
4237 | /* Size of LD instructions is 16 or 18. */ | |
4238 | offset -= 16; | |
4239 | insn = bfd_get_16 (input_bfd, contents + offset + 0); | |
4240 | if ((insn & 0xff00) == 0xc700) | |
4241 | { | |
4242 | BFD_ASSERT (offset >= 2); | |
4243 | offset -= 2; | |
4244 | insn = bfd_get_16 (input_bfd, contents + offset + 0); | |
4245 | } | |
4246 | ||
4247 | BFD_ASSERT ((insn & 0xff00) == 0xd400); | |
4248 | insn = bfd_get_16 (input_bfd, contents + offset + 2); | |
4249 | BFD_ASSERT ((insn & 0xff00) == 0xc700); | |
4250 | insn = bfd_get_16 (input_bfd, contents + offset + 4); | |
4251 | BFD_ASSERT ((insn & 0xff00) == 0xd100); | |
4252 | insn = bfd_get_16 (input_bfd, contents + offset + 6); | |
4253 | BFD_ASSERT (insn == 0x310c); | |
4254 | insn = bfd_get_16 (input_bfd, contents + offset + 8); | |
4255 | BFD_ASSERT (insn == 0x410b); | |
4256 | insn = bfd_get_16 (input_bfd, contents + offset + 10); | |
4257 | BFD_ASSERT (insn == 0x34cc); | |
4258 | ||
4259 | bfd_put_16 (output_bfd, 0x0012, contents + offset + 0); | |
4260 | bfd_put_16 (output_bfd, 0x0009, contents + offset + 2); | |
4261 | bfd_put_16 (output_bfd, 0x0009, contents + offset + 4); | |
4262 | bfd_put_16 (output_bfd, 0x0009, contents + offset + 6); | |
4263 | bfd_put_16 (output_bfd, 0x0009, contents + offset + 8); | |
4264 | bfd_put_16 (output_bfd, 0x0009, contents + offset + 10); | |
4265 | ||
4266 | continue; | |
4267 | } | |
4268 | ||
4269 | sgot = htab->sgot; | |
4270 | if (sgot == NULL) | |
4271 | abort (); | |
4272 | ||
4273 | off = htab->tls_ldm_got.offset; | |
4274 | if (off & 1) | |
4275 | off &= ~1; | |
4276 | else | |
4277 | { | |
4278 | Elf_Internal_Rela outrel; | |
947216bf | 4279 | bfd_byte *loc; |
3376eaf5 KK |
4280 | |
4281 | srelgot = htab->srelgot; | |
4282 | if (srelgot == NULL) | |
4283 | abort (); | |
4284 | ||
4285 | outrel.r_offset = (sgot->output_section->vma | |
4286 | + sgot->output_offset + off); | |
4287 | outrel.r_addend = 0; | |
4288 | outrel.r_info = ELF32_R_INFO (0, R_SH_TLS_DTPMOD32); | |
947216bf AM |
4289 | loc = srelgot->contents; |
4290 | loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela); | |
3376eaf5 KK |
4291 | bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc); |
4292 | htab->tls_ldm_got.offset |= 1; | |
4293 | } | |
4294 | ||
4295 | relocation = sgot->output_offset + off; | |
4296 | addend = rel->r_addend; | |
4297 | ||
4298 | goto final_link_relocate; | |
4299 | ||
4300 | case R_SH_TLS_LDO_32: | |
4301 | if (! info->shared) | |
267fb3c1 | 4302 | relocation = tpoff (info, relocation); |
3376eaf5 KK |
4303 | else |
4304 | relocation -= dtpoff_base (info); | |
4305 | ||
4306 | addend = rel->r_addend; | |
4307 | goto final_link_relocate; | |
4308 | ||
4309 | case R_SH_TLS_LE_32: | |
4310 | { | |
4311 | int indx; | |
4312 | Elf_Internal_Rela outrel; | |
947216bf | 4313 | bfd_byte *loc; |
3376eaf5 | 4314 | |
267fb3c1 KK |
4315 | if (! info->shared) |
4316 | { | |
4317 | relocation = tpoff (info, relocation); | |
4318 | addend = rel->r_addend; | |
4319 | goto final_link_relocate; | |
4320 | } | |
4321 | ||
3376eaf5 KK |
4322 | if (sreloc == NULL) |
4323 | { | |
4324 | const char *name; | |
4325 | ||
4326 | name = (bfd_elf_string_from_elf_section | |
4327 | (input_bfd, | |
4328 | elf_elfheader (input_bfd)->e_shstrndx, | |
4329 | elf_section_data (input_section)->rel_hdr.sh_name)); | |
4330 | if (name == NULL) | |
b34976b6 | 4331 | return FALSE; |
3376eaf5 | 4332 | |
0112cd26 | 4333 | BFD_ASSERT (CONST_STRNEQ (name, ".rela") |
3376eaf5 KK |
4334 | && strcmp (bfd_get_section_name (input_bfd, |
4335 | input_section), | |
4336 | name + 5) == 0); | |
4337 | ||
4338 | sreloc = bfd_get_section_by_name (dynobj, name); | |
4339 | BFD_ASSERT (sreloc != NULL); | |
4340 | } | |
4341 | ||
267fb3c1 KK |
4342 | if (h == NULL || h->dynindx == -1) |
4343 | indx = 0; | |
4344 | else | |
4345 | indx = h->dynindx; | |
4346 | ||
3376eaf5 KK |
4347 | outrel.r_offset = (input_section->output_section->vma |
4348 | + input_section->output_offset | |
4349 | + rel->r_offset); | |
4350 | outrel.r_info = ELF32_R_INFO (indx, R_SH_TLS_TPOFF32); | |
4351 | if (indx == 0) | |
4352 | outrel.r_addend = relocation - dtpoff_base (info); | |
4353 | else | |
4354 | outrel.r_addend = 0; | |
3376eaf5 | 4355 | |
947216bf AM |
4356 | loc = sreloc->contents; |
4357 | loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela); | |
4358 | bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc); | |
3376eaf5 KK |
4359 | continue; |
4360 | } | |
37c644f2 AO |
4361 | } |
4362 | ||
146be91a | 4363 | relocation_done: |
37c644f2 AO |
4364 | if (r != bfd_reloc_ok) |
4365 | { | |
4366 | switch (r) | |
4367 | { | |
4368 | default: | |
4369 | case bfd_reloc_outofrange: | |
4370 | abort (); | |
4371 | case bfd_reloc_overflow: | |
4372 | { | |
4373 | const char *name; | |
4374 | ||
4375 | if (h != NULL) | |
dfeffb9f | 4376 | name = NULL; |
37c644f2 AO |
4377 | else |
4378 | { | |
252b5132 RH |
4379 | name = (bfd_elf_string_from_elf_section |
4380 | (input_bfd, symtab_hdr->sh_link, sym->st_name)); | |
4381 | if (name == NULL) | |
b34976b6 | 4382 | return FALSE; |
252b5132 RH |
4383 | if (*name == '\0') |
4384 | name = bfd_section_name (input_bfd, sec); | |
4385 | } | |
4386 | if (! ((*info->callbacks->reloc_overflow) | |
dfeffb9f L |
4387 | (info, (h ? &h->root : NULL), name, howto->name, |
4388 | (bfd_vma) 0, input_bfd, input_section, | |
4389 | rel->r_offset))) | |
b34976b6 | 4390 | return FALSE; |
252b5132 RH |
4391 | } |
4392 | break; | |
4393 | } | |
4394 | } | |
4395 | } | |
4396 | ||
b34976b6 | 4397 | return TRUE; |
252b5132 RH |
4398 | } |
4399 | ||
4400 | /* This is a version of bfd_generic_get_relocated_section_contents | |
4401 | which uses sh_elf_relocate_section. */ | |
4402 | ||
4403 | static bfd_byte * | |
09fd220b KK |
4404 | sh_elf_get_relocated_section_contents (bfd *output_bfd, |
4405 | struct bfd_link_info *link_info, | |
4406 | struct bfd_link_order *link_order, | |
4407 | bfd_byte *data, | |
4408 | bfd_boolean relocatable, | |
4409 | asymbol **symbols) | |
252b5132 RH |
4410 | { |
4411 | Elf_Internal_Shdr *symtab_hdr; | |
4412 | asection *input_section = link_order->u.indirect.section; | |
4413 | bfd *input_bfd = input_section->owner; | |
4414 | asection **sections = NULL; | |
4415 | Elf_Internal_Rela *internal_relocs = NULL; | |
6cdc0ccc | 4416 | Elf_Internal_Sym *isymbuf = NULL; |
252b5132 RH |
4417 | |
4418 | /* We only need to handle the case of relaxing, or of having a | |
4419 | particular set of section contents, specially. */ | |
1049f94e | 4420 | if (relocatable |
252b5132 RH |
4421 | || elf_section_data (input_section)->this_hdr.contents == NULL) |
4422 | return bfd_generic_get_relocated_section_contents (output_bfd, link_info, | |
4423 | link_order, data, | |
1049f94e | 4424 | relocatable, |
252b5132 RH |
4425 | symbols); |
4426 | ||
4427 | symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr; | |
4428 | ||
4429 | memcpy (data, elf_section_data (input_section)->this_hdr.contents, | |
eea6121a | 4430 | (size_t) input_section->size); |
252b5132 RH |
4431 | |
4432 | if ((input_section->flags & SEC_RELOC) != 0 | |
4433 | && input_section->reloc_count > 0) | |
4434 | { | |
252b5132 | 4435 | asection **secpp; |
6cdc0ccc | 4436 | Elf_Internal_Sym *isym, *isymend; |
9ad5cbcf | 4437 | bfd_size_type amt; |
252b5132 | 4438 | |
45d6a902 | 4439 | internal_relocs = (_bfd_elf_link_read_relocs |
09fd220b | 4440 | (input_bfd, input_section, NULL, |
b34976b6 | 4441 | (Elf_Internal_Rela *) NULL, FALSE)); |
252b5132 RH |
4442 | if (internal_relocs == NULL) |
4443 | goto error_return; | |
4444 | ||
6cdc0ccc AM |
4445 | if (symtab_hdr->sh_info != 0) |
4446 | { | |
4447 | isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents; | |
4448 | if (isymbuf == NULL) | |
4449 | isymbuf = bfd_elf_get_elf_syms (input_bfd, symtab_hdr, | |
4450 | symtab_hdr->sh_info, 0, | |
4451 | NULL, NULL, NULL); | |
4452 | if (isymbuf == NULL) | |
4453 | goto error_return; | |
4454 | } | |
252b5132 | 4455 | |
9ad5cbcf AM |
4456 | amt = symtab_hdr->sh_info; |
4457 | amt *= sizeof (asection *); | |
4458 | sections = (asection **) bfd_malloc (amt); | |
4459 | if (sections == NULL && amt != 0) | |
252b5132 RH |
4460 | goto error_return; |
4461 | ||
6cdc0ccc AM |
4462 | isymend = isymbuf + symtab_hdr->sh_info; |
4463 | for (isym = isymbuf, secpp = sections; isym < isymend; ++isym, ++secpp) | |
252b5132 RH |
4464 | { |
4465 | asection *isec; | |
4466 | ||
6cdc0ccc | 4467 | if (isym->st_shndx == SHN_UNDEF) |
252b5132 | 4468 | isec = bfd_und_section_ptr; |
6cdc0ccc | 4469 | else if (isym->st_shndx == SHN_ABS) |
252b5132 | 4470 | isec = bfd_abs_section_ptr; |
6cdc0ccc | 4471 | else if (isym->st_shndx == SHN_COMMON) |
252b5132 RH |
4472 | isec = bfd_com_section_ptr; |
4473 | else | |
6cdc0ccc | 4474 | isec = bfd_section_from_elf_index (input_bfd, isym->st_shndx); |
252b5132 RH |
4475 | |
4476 | *secpp = isec; | |
4477 | } | |
4478 | ||
4479 | if (! sh_elf_relocate_section (output_bfd, link_info, input_bfd, | |
4480 | input_section, data, internal_relocs, | |
6cdc0ccc | 4481 | isymbuf, sections)) |
252b5132 RH |
4482 | goto error_return; |
4483 | ||
4484 | if (sections != NULL) | |
4485 | free (sections); | |
6cdc0ccc AM |
4486 | if (isymbuf != NULL |
4487 | && symtab_hdr->contents != (unsigned char *) isymbuf) | |
4488 | free (isymbuf); | |
4489 | if (elf_section_data (input_section)->relocs != internal_relocs) | |
252b5132 | 4490 | free (internal_relocs); |
252b5132 RH |
4491 | } |
4492 | ||
4493 | return data; | |
4494 | ||
4495 | error_return: | |
252b5132 RH |
4496 | if (sections != NULL) |
4497 | free (sections); | |
6cdc0ccc AM |
4498 | if (isymbuf != NULL |
4499 | && symtab_hdr->contents != (unsigned char *) isymbuf) | |
4500 | free (isymbuf); | |
4501 | if (internal_relocs != NULL | |
4502 | && elf_section_data (input_section)->relocs != internal_relocs) | |
4503 | free (internal_relocs); | |
252b5132 RH |
4504 | return NULL; |
4505 | } | |
917583ad | 4506 | |
3376eaf5 KK |
4507 | /* Return the base VMA address which should be subtracted from real addresses |
4508 | when resolving @dtpoff relocation. | |
4509 | This is PT_TLS segment p_vaddr. */ | |
4510 | ||
4511 | static bfd_vma | |
09fd220b | 4512 | dtpoff_base (struct bfd_link_info *info) |
3376eaf5 | 4513 | { |
e1918d23 AM |
4514 | /* If tls_sec is NULL, we should have signalled an error already. */ |
4515 | if (elf_hash_table (info)->tls_sec == NULL) | |
267fb3c1 | 4516 | return 0; |
e1918d23 | 4517 | return elf_hash_table (info)->tls_sec->vma; |
3376eaf5 KK |
4518 | } |
4519 | ||
267fb3c1 KK |
4520 | /* Return the relocation value for R_SH_TLS_TPOFF32.. */ |
4521 | ||
4522 | static bfd_vma | |
09fd220b | 4523 | tpoff (struct bfd_link_info *info, bfd_vma address) |
267fb3c1 | 4524 | { |
e1918d23 AM |
4525 | /* If tls_sec is NULL, we should have signalled an error already. */ |
4526 | if (elf_hash_table (info)->tls_sec == NULL) | |
267fb3c1 KK |
4527 | return 0; |
4528 | /* SH TLS ABI is variant I and static TLS block start just after tcbhead | |
4529 | structure which has 2 pointer fields. */ | |
044ad7e3 KK |
4530 | return (address - elf_hash_table (info)->tls_sec->vma |
4531 | + align_power ((bfd_vma) 8, | |
4532 | elf_hash_table (info)->tls_sec->alignment_power)); | |
267fb3c1 KK |
4533 | } |
4534 | ||
252b5132 | 4535 | static asection * |
09fd220b | 4536 | sh_elf_gc_mark_hook (asection *sec, |
07adf181 AM |
4537 | struct bfd_link_info *info, |
4538 | Elf_Internal_Rela *rel, | |
4539 | struct elf_link_hash_entry *h, | |
09fd220b | 4540 | Elf_Internal_Sym *sym) |
252b5132 RH |
4541 | { |
4542 | if (h != NULL) | |
07adf181 AM |
4543 | switch (ELF32_R_TYPE (rel->r_info)) |
4544 | { | |
4545 | case R_SH_GNU_VTINHERIT: | |
4546 | case R_SH_GNU_VTENTRY: | |
4547 | return NULL; | |
4548 | } | |
9ad5cbcf | 4549 | |
07adf181 | 4550 | return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym); |
252b5132 RH |
4551 | } |
4552 | ||
37c644f2 AO |
4553 | /* Update the got entry reference counts for the section being removed. */ |
4554 | ||
b34976b6 | 4555 | static bfd_boolean |
09fd220b KK |
4556 | sh_elf_gc_sweep_hook (bfd *abfd, struct bfd_link_info *info, |
4557 | asection *sec, const Elf_Internal_Rela *relocs) | |
252b5132 | 4558 | { |
067653c5 AM |
4559 | Elf_Internal_Shdr *symtab_hdr; |
4560 | struct elf_link_hash_entry **sym_hashes; | |
4561 | bfd_signed_vma *local_got_refcounts; | |
4562 | const Elf_Internal_Rela *rel, *relend; | |
067653c5 AM |
4563 | |
4564 | elf_section_data (sec)->local_dynrel = NULL; | |
4565 | ||
4566 | symtab_hdr = &elf_tdata (abfd)->symtab_hdr; | |
4567 | sym_hashes = elf_sym_hashes (abfd); | |
4568 | local_got_refcounts = elf_local_got_refcounts (abfd); | |
4569 | ||
4570 | relend = relocs + sec->reloc_count; | |
4571 | for (rel = relocs; rel < relend; rel++) | |
396a6083 | 4572 | { |
26e41594 AM |
4573 | unsigned long r_symndx; |
4574 | unsigned int r_type; | |
4575 | struct elf_link_hash_entry *h = NULL; | |
396a6083 SC |
4576 | #ifdef INCLUDE_SHMEDIA |
4577 | int seen_stt_datalabel = 0; | |
4578 | #endif | |
3376eaf5 | 4579 | |
396a6083 | 4580 | r_symndx = ELF32_R_SYM (rel->r_info); |
26e41594 | 4581 | if (r_symndx >= symtab_hdr->sh_info) |
396a6083 | 4582 | { |
26e41594 AM |
4583 | struct elf_sh_link_hash_entry *eh; |
4584 | struct elf_sh_dyn_relocs **pp; | |
4585 | struct elf_sh_dyn_relocs *p; | |
4586 | ||
396a6083 | 4587 | h = sym_hashes[r_symndx - symtab_hdr->sh_info]; |
396a6083 SC |
4588 | while (h->root.type == bfd_link_hash_indirect |
4589 | || h->root.type == bfd_link_hash_warning) | |
4590 | { | |
3eb128b2 | 4591 | #ifdef INCLUDE_SHMEDIA |
396a6083 | 4592 | seen_stt_datalabel |= h->type == STT_DATALABEL; |
3eb128b2 | 4593 | #endif |
396a6083 SC |
4594 | h = (struct elf_link_hash_entry *) h->root.u.i.link; |
4595 | } | |
26e41594 AM |
4596 | eh = (struct elf_sh_link_hash_entry *) h; |
4597 | for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next) | |
4598 | if (p->sec == sec) | |
4599 | { | |
4600 | /* Everything must go for SEC. */ | |
4601 | *pp = p->next; | |
4602 | break; | |
4603 | } | |
396a6083 | 4604 | } |
067653c5 | 4605 | |
26e41594 AM |
4606 | r_type = ELF32_R_TYPE (rel->r_info); |
4607 | switch (sh_elf_optimized_tls_reloc (info, r_type, h != NULL)) | |
396a6083 SC |
4608 | { |
4609 | case R_SH_TLS_LD_32: | |
4610 | if (sh_elf_hash_table (info)->tls_ldm_got.refcount > 0) | |
4611 | sh_elf_hash_table (info)->tls_ldm_got.refcount -= 1; | |
4612 | break; | |
4613 | ||
4614 | case R_SH_GOT32: | |
4615 | case R_SH_GOTOFF: | |
4616 | case R_SH_GOTPC: | |
4617 | #ifdef INCLUDE_SHMEDIA | |
4618 | case R_SH_GOT_LOW16: | |
4619 | case R_SH_GOT_MEDLOW16: | |
4620 | case R_SH_GOT_MEDHI16: | |
4621 | case R_SH_GOT_HI16: | |
4622 | case R_SH_GOT10BY4: | |
4623 | case R_SH_GOT10BY8: | |
4624 | case R_SH_GOTOFF_LOW16: | |
4625 | case R_SH_GOTOFF_MEDLOW16: | |
4626 | case R_SH_GOTOFF_MEDHI16: | |
4627 | case R_SH_GOTOFF_HI16: | |
4628 | case R_SH_GOTPC_LOW16: | |
4629 | case R_SH_GOTPC_MEDLOW16: | |
4630 | case R_SH_GOTPC_MEDHI16: | |
4631 | case R_SH_GOTPC_HI16: | |
4632 | #endif | |
4633 | case R_SH_TLS_GD_32: | |
4634 | case R_SH_TLS_IE_32: | |
4635 | if (h != NULL) | |
4636 | { | |
4637 | #ifdef INCLUDE_SHMEDIA | |
4638 | if (seen_stt_datalabel) | |
4639 | { | |
26e41594 AM |
4640 | struct elf_sh_link_hash_entry *eh; |
4641 | eh = (struct elf_sh_link_hash_entry *) h; | |
396a6083 SC |
4642 | if (eh->datalabel_got.refcount > 0) |
4643 | eh->datalabel_got.refcount -= 1; | |
4644 | } | |
4645 | else | |
4646 | #endif | |
4647 | if (h->got.refcount > 0) | |
4648 | h->got.refcount -= 1; | |
4649 | } | |
4650 | else if (local_got_refcounts != NULL) | |
4651 | { | |
4652 | #ifdef INCLUDE_SHMEDIA | |
4653 | if (rel->r_addend & 1) | |
4654 | { | |
4655 | if (local_got_refcounts[symtab_hdr->sh_info + r_symndx] > 0) | |
4656 | local_got_refcounts[symtab_hdr->sh_info + r_symndx] -= 1; | |
4657 | } | |
4658 | else | |
4659 | #endif | |
4660 | if (local_got_refcounts[r_symndx] > 0) | |
4661 | local_got_refcounts[r_symndx] -= 1; | |
4662 | } | |
4663 | break; | |
4664 | ||
4665 | case R_SH_DIR32: | |
4666 | case R_SH_REL32: | |
26e41594 AM |
4667 | if (info->shared) |
4668 | break; | |
4669 | /* Fall thru */ | |
396a6083 SC |
4670 | |
4671 | case R_SH_PLT32: | |
4672 | #ifdef INCLUDE_SHMEDIA | |
4673 | case R_SH_PLT_LOW16: | |
4674 | case R_SH_PLT_MEDLOW16: | |
4675 | case R_SH_PLT_MEDHI16: | |
4676 | case R_SH_PLT_HI16: | |
4677 | #endif | |
4678 | if (h != NULL) | |
4679 | { | |
4680 | if (h->plt.refcount > 0) | |
4681 | h->plt.refcount -= 1; | |
4682 | } | |
4683 | break; | |
067653c5 | 4684 | |
396a6083 SC |
4685 | case R_SH_GOTPLT32: |
4686 | #ifdef INCLUDE_SHMEDIA | |
4687 | case R_SH_GOTPLT_LOW16: | |
4688 | case R_SH_GOTPLT_MEDLOW16: | |
4689 | case R_SH_GOTPLT_MEDHI16: | |
4690 | case R_SH_GOTPLT_HI16: | |
4691 | case R_SH_GOTPLT10BY4: | |
4692 | case R_SH_GOTPLT10BY8: | |
4693 | #endif | |
4694 | if (h != NULL) | |
4695 | { | |
26e41594 AM |
4696 | struct elf_sh_link_hash_entry *eh; |
4697 | eh = (struct elf_sh_link_hash_entry *) h; | |
396a6083 | 4698 | if (eh->gotplt_refcount > 0) |
067653c5 | 4699 | { |
396a6083 SC |
4700 | eh->gotplt_refcount -= 1; |
4701 | if (h->plt.refcount > 0) | |
4702 | h->plt.refcount -= 1; | |
067653c5 | 4703 | } |
067653c5 | 4704 | #ifdef INCLUDE_SHMEDIA |
396a6083 SC |
4705 | else if (seen_stt_datalabel) |
4706 | { | |
4707 | if (eh->datalabel_got.refcount > 0) | |
4708 | eh->datalabel_got.refcount -= 1; | |
4709 | } | |
067653c5 | 4710 | #endif |
396a6083 SC |
4711 | else if (h->got.refcount > 0) |
4712 | h->got.refcount -= 1; | |
4713 | } | |
4714 | else if (local_got_refcounts != NULL) | |
4715 | { | |
067653c5 | 4716 | #ifdef INCLUDE_SHMEDIA |
396a6083 SC |
4717 | if (rel->r_addend & 1) |
4718 | { | |
4719 | if (local_got_refcounts[symtab_hdr->sh_info + r_symndx] > 0) | |
4720 | local_got_refcounts[symtab_hdr->sh_info + r_symndx] -= 1; | |
4721 | } | |
4722 | else | |
067653c5 | 4723 | #endif |
396a6083 SC |
4724 | if (local_got_refcounts[r_symndx] > 0) |
4725 | local_got_refcounts[r_symndx] -= 1; | |
4726 | } | |
4727 | break; | |
067653c5 | 4728 | |
396a6083 SC |
4729 | default: |
4730 | break; | |
4731 | } | |
4732 | } | |
067653c5 | 4733 | |
b34976b6 | 4734 | return TRUE; |
252b5132 RH |
4735 | } |
4736 | ||
067653c5 AM |
4737 | /* Copy the extra info we tack onto an elf_link_hash_entry. */ |
4738 | ||
4739 | static void | |
fcfa13d2 | 4740 | sh_elf_copy_indirect_symbol (struct bfd_link_info *info, |
09fd220b KK |
4741 | struct elf_link_hash_entry *dir, |
4742 | struct elf_link_hash_entry *ind) | |
067653c5 AM |
4743 | { |
4744 | struct elf_sh_link_hash_entry *edir, *eind; | |
4745 | ||
4746 | edir = (struct elf_sh_link_hash_entry *) dir; | |
4747 | eind = (struct elf_sh_link_hash_entry *) ind; | |
4748 | ||
4749 | if (eind->dyn_relocs != NULL) | |
4750 | { | |
4751 | if (edir->dyn_relocs != NULL) | |
4752 | { | |
4753 | struct elf_sh_dyn_relocs **pp; | |
4754 | struct elf_sh_dyn_relocs *p; | |
4755 | ||
fcfa13d2 | 4756 | /* Add reloc counts against the indirect sym to the direct sym |
067653c5 AM |
4757 | list. Merge any entries against the same section. */ |
4758 | for (pp = &eind->dyn_relocs; (p = *pp) != NULL; ) | |
4759 | { | |
4760 | struct elf_sh_dyn_relocs *q; | |
4761 | ||
4762 | for (q = edir->dyn_relocs; q != NULL; q = q->next) | |
4763 | if (q->sec == p->sec) | |
4764 | { | |
4765 | q->pc_count += p->pc_count; | |
4766 | q->count += p->count; | |
4767 | *pp = p->next; | |
4768 | break; | |
4769 | } | |
4770 | if (q == NULL) | |
4771 | pp = &p->next; | |
4772 | } | |
4773 | *pp = edir->dyn_relocs; | |
4774 | } | |
4775 | ||
4776 | edir->dyn_relocs = eind->dyn_relocs; | |
4777 | eind->dyn_relocs = NULL; | |
4778 | } | |
4989d792 SC |
4779 | edir->gotplt_refcount = eind->gotplt_refcount; |
4780 | eind->gotplt_refcount = 0; | |
396a6083 | 4781 | #ifdef INCLUDE_SHMEDIA |
fcfa13d2 AM |
4782 | edir->datalabel_got.refcount += eind->datalabel_got.refcount; |
4783 | eind->datalabel_got.refcount = 0; | |
396a6083 | 4784 | #endif |
067653c5 | 4785 | |
3376eaf5 KK |
4786 | if (ind->root.type == bfd_link_hash_indirect |
4787 | && dir->got.refcount <= 0) | |
4788 | { | |
4789 | edir->tls_type = eind->tls_type; | |
4790 | eind->tls_type = GOT_UNKNOWN; | |
4791 | } | |
4792 | ||
04e534c3 | 4793 | if (ind->root.type != bfd_link_hash_indirect |
f5385ebf AM |
4794 | && dir->dynamic_adjusted) |
4795 | { | |
4796 | /* If called to transfer flags for a weakdef during processing | |
4797 | of elf_adjust_dynamic_symbol, don't copy non_got_ref. | |
4798 | We clear it ourselves for ELIMINATE_COPY_RELOCS. */ | |
4799 | dir->ref_dynamic |= ind->ref_dynamic; | |
4800 | dir->ref_regular |= ind->ref_regular; | |
4801 | dir->ref_regular_nonweak |= ind->ref_regular_nonweak; | |
4802 | dir->needs_plt |= ind->needs_plt; | |
4803 | } | |
04e534c3 | 4804 | else |
fcfa13d2 | 4805 | _bfd_elf_link_hash_copy_indirect (info, dir, ind); |
067653c5 AM |
4806 | } |
4807 | ||
3376eaf5 | 4808 | static int |
09fd220b KK |
4809 | sh_elf_optimized_tls_reloc (struct bfd_link_info *info, int r_type, |
4810 | int is_local) | |
3376eaf5 KK |
4811 | { |
4812 | if (info->shared) | |
4813 | return r_type; | |
4814 | ||
4815 | switch (r_type) | |
4816 | { | |
4817 | case R_SH_TLS_GD_32: | |
4818 | case R_SH_TLS_IE_32: | |
4819 | if (is_local) | |
4820 | return R_SH_TLS_LE_32; | |
4821 | return R_SH_TLS_IE_32; | |
4822 | case R_SH_TLS_LD_32: | |
4823 | return R_SH_TLS_LE_32; | |
4824 | } | |
4825 | ||
4826 | return r_type; | |
4827 | } | |
4828 | ||
252b5132 RH |
4829 | /* Look through the relocs for a section during the first phase. |
4830 | Since we don't do .gots or .plts, we just need to consider the | |
4831 | virtual table relocs for gc. */ | |
435b1e90 | 4832 | |
b34976b6 | 4833 | static bfd_boolean |
09fd220b KK |
4834 | sh_elf_check_relocs (bfd *abfd, struct bfd_link_info *info, asection *sec, |
4835 | const Elf_Internal_Rela *relocs) | |
252b5132 RH |
4836 | { |
4837 | Elf_Internal_Shdr *symtab_hdr; | |
5582a088 | 4838 | struct elf_link_hash_entry **sym_hashes; |
067653c5 | 4839 | struct elf_sh_link_hash_table *htab; |
252b5132 RH |
4840 | const Elf_Internal_Rela *rel; |
4841 | const Elf_Internal_Rela *rel_end; | |
37c644f2 AO |
4842 | bfd_vma *local_got_offsets; |
4843 | asection *sgot; | |
4844 | asection *srelgot; | |
4845 | asection *sreloc; | |
3376eaf5 KK |
4846 | unsigned int r_type; |
4847 | int tls_type, old_tls_type; | |
435b1e90 | 4848 | |
37c644f2 AO |
4849 | sgot = NULL; |
4850 | srelgot = NULL; | |
4851 | sreloc = NULL; | |
4852 | ||
1049f94e | 4853 | if (info->relocatable) |
b34976b6 | 4854 | return TRUE; |
435b1e90 | 4855 | |
252b5132 RH |
4856 | symtab_hdr = &elf_tdata (abfd)->symtab_hdr; |
4857 | sym_hashes = elf_sym_hashes (abfd); | |
435b1e90 | 4858 | |
067653c5 | 4859 | htab = sh_elf_hash_table (info); |
37c644f2 AO |
4860 | local_got_offsets = elf_local_got_offsets (abfd); |
4861 | ||
252b5132 RH |
4862 | rel_end = relocs + sec->reloc_count; |
4863 | for (rel = relocs; rel < rel_end; rel++) | |
4864 | { | |
4865 | struct elf_link_hash_entry *h; | |
4866 | unsigned long r_symndx; | |
396a6083 SC |
4867 | #ifdef INCLUDE_SHMEDIA |
4868 | int seen_stt_datalabel = 0; | |
4869 | #endif | |
435b1e90 | 4870 | |
252b5132 | 4871 | r_symndx = ELF32_R_SYM (rel->r_info); |
3376eaf5 KK |
4872 | r_type = ELF32_R_TYPE (rel->r_info); |
4873 | ||
252b5132 | 4874 | if (r_symndx < symtab_hdr->sh_info) |
435b1e90 | 4875 | h = NULL; |
252b5132 | 4876 | else |
396a6083 SC |
4877 | { |
4878 | h = sym_hashes[r_symndx - symtab_hdr->sh_info]; | |
396a6083 SC |
4879 | while (h->root.type == bfd_link_hash_indirect |
4880 | || h->root.type == bfd_link_hash_warning) | |
4881 | { | |
973a3492 | 4882 | #ifdef INCLUDE_SHMEDIA |
396a6083 | 4883 | seen_stt_datalabel |= h->type == STT_DATALABEL; |
973a3492 | 4884 | #endif |
396a6083 SC |
4885 | h = (struct elf_link_hash_entry *) h->root.u.i.link; |
4886 | } | |
396a6083 | 4887 | } |
435b1e90 | 4888 | |
3376eaf5 KK |
4889 | r_type = sh_elf_optimized_tls_reloc (info, r_type, h == NULL); |
4890 | if (! info->shared | |
4891 | && r_type == R_SH_TLS_IE_32 | |
4892 | && h != NULL | |
4893 | && h->root.type != bfd_link_hash_undefined | |
4894 | && h->root.type != bfd_link_hash_undefweak | |
4895 | && (h->dynindx == -1 | |
f5385ebf | 4896 | || h->def_regular)) |
3376eaf5 KK |
4897 | r_type = R_SH_TLS_LE_32; |
4898 | ||
37c644f2 | 4899 | /* Some relocs require a global offset table. */ |
067653c5 | 4900 | if (htab->sgot == NULL) |
37c644f2 | 4901 | { |
3376eaf5 | 4902 | switch (r_type) |
37c644f2 | 4903 | { |
fbca6ad9 | 4904 | case R_SH_GOTPLT32: |
37c644f2 AO |
4905 | case R_SH_GOT32: |
4906 | case R_SH_GOTOFF: | |
4907 | case R_SH_GOTPC: | |
fbca6ad9 AO |
4908 | #ifdef INCLUDE_SHMEDIA |
4909 | case R_SH_GOTPLT_LOW16: | |
4910 | case R_SH_GOTPLT_MEDLOW16: | |
4911 | case R_SH_GOTPLT_MEDHI16: | |
4912 | case R_SH_GOTPLT_HI16: | |
4913 | case R_SH_GOTPLT10BY4: | |
4914 | case R_SH_GOTPLT10BY8: | |
4915 | case R_SH_GOT_LOW16: | |
4916 | case R_SH_GOT_MEDLOW16: | |
4917 | case R_SH_GOT_MEDHI16: | |
4918 | case R_SH_GOT_HI16: | |
4919 | case R_SH_GOT10BY4: | |
4920 | case R_SH_GOT10BY8: | |
4921 | case R_SH_GOTOFF_LOW16: | |
4922 | case R_SH_GOTOFF_MEDLOW16: | |
4923 | case R_SH_GOTOFF_MEDHI16: | |
4924 | case R_SH_GOTOFF_HI16: | |
4925 | case R_SH_GOTPC_LOW16: | |
4926 | case R_SH_GOTPC_MEDLOW16: | |
4927 | case R_SH_GOTPC_MEDHI16: | |
4928 | case R_SH_GOTPC_HI16: | |
4929 | #endif | |
3376eaf5 KK |
4930 | case R_SH_TLS_GD_32: |
4931 | case R_SH_TLS_LD_32: | |
4932 | case R_SH_TLS_IE_32: | |
2293c499 AM |
4933 | if (htab->sgot == NULL) |
4934 | { | |
4935 | if (htab->root.dynobj == NULL) | |
4936 | htab->root.dynobj = abfd; | |
4937 | if (!create_got_section (htab->root.dynobj, info)) | |
4938 | return FALSE; | |
4939 | } | |
37c644f2 AO |
4940 | break; |
4941 | ||
4942 | default: | |
4943 | break; | |
4944 | } | |
4945 | } | |
4946 | ||
3376eaf5 | 4947 | switch (r_type) |
067653c5 AM |
4948 | { |
4949 | /* This relocation describes the C++ object vtable hierarchy. | |
4950 | Reconstruct it for later use during GC. */ | |
435b1e90 | 4951 | case R_SH_GNU_VTINHERIT: |
c152c796 | 4952 | if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset)) |
b34976b6 | 4953 | return FALSE; |
435b1e90 KH |
4954 | break; |
4955 | ||
067653c5 AM |
4956 | /* This relocation describes which C++ vtable entries are actually |
4957 | used. Record for later use during GC. */ | |
435b1e90 | 4958 | case R_SH_GNU_VTENTRY: |
d17e0c6e JB |
4959 | BFD_ASSERT (h != NULL); |
4960 | if (h != NULL | |
4961 | && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend)) | |
b34976b6 | 4962 | return FALSE; |
435b1e90 | 4963 | break; |
37c644f2 | 4964 | |
3376eaf5 KK |
4965 | case R_SH_TLS_IE_32: |
4966 | if (info->shared) | |
4967 | info->flags |= DF_STATIC_TLS; | |
4968 | ||
4969 | /* FALLTHROUGH */ | |
267fb3c1 | 4970 | force_got: |
3376eaf5 | 4971 | case R_SH_TLS_GD_32: |
37c644f2 | 4972 | case R_SH_GOT32: |
fbca6ad9 AO |
4973 | #ifdef INCLUDE_SHMEDIA |
4974 | case R_SH_GOT_LOW16: | |
4975 | case R_SH_GOT_MEDLOW16: | |
4976 | case R_SH_GOT_MEDHI16: | |
4977 | case R_SH_GOT_HI16: | |
4978 | case R_SH_GOT10BY4: | |
4979 | case R_SH_GOT10BY8: | |
4980 | #endif | |
3376eaf5 KK |
4981 | switch (r_type) |
4982 | { | |
4983 | default: | |
4984 | tls_type = GOT_NORMAL; | |
4985 | break; | |
4986 | case R_SH_TLS_GD_32: | |
4987 | tls_type = GOT_TLS_GD; | |
4988 | break; | |
4989 | case R_SH_TLS_IE_32: | |
4990 | tls_type = GOT_TLS_IE; | |
4991 | break; | |
4992 | } | |
4993 | ||
37c644f2 | 4994 | if (h != NULL) |
3376eaf5 | 4995 | { |
396a6083 SC |
4996 | #ifdef INCLUDE_SHMEDIA |
4997 | if (seen_stt_datalabel) | |
4998 | { | |
b34976b6 AM |
4999 | struct elf_sh_link_hash_entry *eh |
5000 | = (struct elf_sh_link_hash_entry *) h; | |
396a6083 SC |
5001 | |
5002 | eh->datalabel_got.refcount += 1; | |
5003 | } | |
5004 | else | |
5005 | #endif | |
5006 | h->got.refcount += 1; | |
3376eaf5 KK |
5007 | old_tls_type = sh_elf_hash_entry (h)->tls_type; |
5008 | } | |
37c644f2 AO |
5009 | else |
5010 | { | |
067653c5 AM |
5011 | bfd_signed_vma *local_got_refcounts; |
5012 | ||
435b1e90 | 5013 | /* This is a global offset table entry for a local |
067653c5 AM |
5014 | symbol. */ |
5015 | local_got_refcounts = elf_local_got_refcounts (abfd); | |
5016 | if (local_got_refcounts == NULL) | |
37c644f2 | 5017 | { |
dc810e39 | 5018 | bfd_size_type size; |
37c644f2 | 5019 | |
dc810e39 | 5020 | size = symtab_hdr->sh_info; |
067653c5 | 5021 | size *= sizeof (bfd_signed_vma); |
fbca6ad9 AO |
5022 | #ifdef INCLUDE_SHMEDIA |
5023 | /* Reserve space for both the datalabel and | |
5024 | codelabel local GOT offsets. */ | |
5025 | size *= 2; | |
5026 | #endif | |
3376eaf5 | 5027 | size += symtab_hdr->sh_info; |
067653c5 AM |
5028 | local_got_refcounts = ((bfd_signed_vma *) |
5029 | bfd_zalloc (abfd, size)); | |
5030 | if (local_got_refcounts == NULL) | |
b34976b6 | 5031 | return FALSE; |
067653c5 | 5032 | elf_local_got_refcounts (abfd) = local_got_refcounts; |
3376eaf5 KK |
5033 | #ifdef INCLUDE_SHMEDIA |
5034 | /* Take care of both the datalabel and codelabel local | |
5035 | GOT offsets. */ | |
5036 | sh_elf_local_got_tls_type (abfd) | |
5037 | = (char *) (local_got_refcounts + 2 * symtab_hdr->sh_info); | |
5038 | #else | |
5039 | sh_elf_local_got_tls_type (abfd) | |
5040 | = (char *) (local_got_refcounts + symtab_hdr->sh_info); | |
5041 | #endif | |
37c644f2 | 5042 | } |
396a6083 SC |
5043 | #ifdef INCLUDE_SHMEDIA |
5044 | if (rel->r_addend & 1) | |
5045 | local_got_refcounts[symtab_hdr->sh_info + r_symndx] += 1; | |
5046 | else | |
5047 | #endif | |
5048 | local_got_refcounts[r_symndx] += 1; | |
3376eaf5 KK |
5049 | old_tls_type = sh_elf_local_got_tls_type (abfd) [r_symndx]; |
5050 | } | |
5051 | ||
5052 | /* If a TLS symbol is accessed using IE at least once, | |
5053 | there is no point to use dynamic model for it. */ | |
5054 | if (old_tls_type != tls_type && old_tls_type != GOT_UNKNOWN | |
5055 | && (old_tls_type != GOT_TLS_GD || tls_type != GOT_TLS_IE)) | |
5056 | { | |
5057 | if (old_tls_type == GOT_TLS_IE && tls_type == GOT_TLS_GD) | |
5058 | tls_type = GOT_TLS_IE; | |
5059 | else | |
5060 | { | |
5061 | (*_bfd_error_handler) | |
d003868e AM |
5062 | (_("%B: `%s' accessed both as normal and thread local symbol"), |
5063 | abfd, h->root.root.string); | |
b34976b6 | 5064 | return FALSE; |
3376eaf5 KK |
5065 | } |
5066 | } | |
5067 | ||
5068 | if (old_tls_type != tls_type) | |
5069 | { | |
5070 | if (h != NULL) | |
5071 | sh_elf_hash_entry (h)->tls_type = tls_type; | |
5072 | else | |
5073 | sh_elf_local_got_tls_type (abfd) [r_symndx] = tls_type; | |
37c644f2 | 5074 | } |
3376eaf5 KK |
5075 | |
5076 | break; | |
5077 | ||
5078 | case R_SH_TLS_LD_32: | |
5079 | sh_elf_hash_table(info)->tls_ldm_got.refcount += 1; | |
37c644f2 AO |
5080 | break; |
5081 | ||
fbca6ad9 AO |
5082 | case R_SH_GOTPLT32: |
5083 | #ifdef INCLUDE_SHMEDIA | |
5084 | case R_SH_GOTPLT_LOW16: | |
5085 | case R_SH_GOTPLT_MEDLOW16: | |
5086 | case R_SH_GOTPLT_MEDHI16: | |
5087 | case R_SH_GOTPLT_HI16: | |
5088 | case R_SH_GOTPLT10BY4: | |
5089 | case R_SH_GOTPLT10BY8: | |
5090 | #endif | |
5091 | /* If this is a local symbol, we resolve it directly without | |
5092 | creating a procedure linkage table entry. */ | |
5093 | ||
5094 | if (h == NULL | |
f5385ebf | 5095 | || h->forced_local |
fbca6ad9 AO |
5096 | || ! info->shared |
5097 | || info->symbolic | |
067653c5 | 5098 | || h->dynindx == -1) |
fbca6ad9 AO |
5099 | goto force_got; |
5100 | ||
f5385ebf | 5101 | h->needs_plt = 1; |
067653c5 | 5102 | h->plt.refcount += 1; |
4989d792 | 5103 | ((struct elf_sh_link_hash_entry *) h)->gotplt_refcount += 1; |
fbca6ad9 AO |
5104 | |
5105 | break; | |
5106 | ||
37c644f2 | 5107 | case R_SH_PLT32: |
fbca6ad9 AO |
5108 | #ifdef INCLUDE_SHMEDIA |
5109 | case R_SH_PLT_LOW16: | |
5110 | case R_SH_PLT_MEDLOW16: | |
5111 | case R_SH_PLT_MEDHI16: | |
5112 | case R_SH_PLT_HI16: | |
5113 | #endif | |
37c644f2 AO |
5114 | /* This symbol requires a procedure linkage table entry. We |
5115 | actually build the entry in adjust_dynamic_symbol, | |
5116 | because this might be a case of linking PIC code which is | |
5117 | never referenced by a dynamic object, in which case we | |
5118 | don't need to generate a procedure linkage table entry | |
5119 | after all. */ | |
5120 | ||
5121 | /* If this is a local symbol, we resolve it directly without | |
5122 | creating a procedure linkage table entry. */ | |
5123 | if (h == NULL) | |
5124 | continue; | |
5125 | ||
f5385ebf | 5126 | if (h->forced_local) |
37c644f2 AO |
5127 | break; |
5128 | ||
f5385ebf | 5129 | h->needs_plt = 1; |
067653c5 | 5130 | h->plt.refcount += 1; |
37c644f2 AO |
5131 | break; |
5132 | ||
5133 | case R_SH_DIR32: | |
5134 | case R_SH_REL32: | |
46e993b9 KK |
5135 | #ifdef INCLUDE_SHMEDIA |
5136 | case R_SH_IMM_LOW16_PCREL: | |
5137 | case R_SH_IMM_MEDLOW16_PCREL: | |
5138 | case R_SH_IMM_MEDHI16_PCREL: | |
5139 | case R_SH_IMM_HI16_PCREL: | |
5140 | #endif | |
067653c5 AM |
5141 | if (h != NULL && ! info->shared) |
5142 | { | |
f5385ebf | 5143 | h->non_got_ref = 1; |
067653c5 AM |
5144 | h->plt.refcount += 1; |
5145 | } | |
37c644f2 AO |
5146 | |
5147 | /* If we are creating a shared library, and this is a reloc | |
5148 | against a global symbol, or a non PC relative reloc | |
5149 | against a local symbol, then we need to copy the reloc | |
5150 | into the shared library. However, if we are linking with | |
5151 | -Bsymbolic, we do not need to copy a reloc against a | |
5152 | global symbol which is defined in an object we are | |
5153 | including in the link (i.e., DEF_REGULAR is set). At | |
5154 | this point we have not seen all the input files, so it is | |
5155 | possible that DEF_REGULAR is not set now but will be set | |
5156 | later (it is never cleared). We account for that | |
5157 | possibility below by storing information in the | |
067653c5 AM |
5158 | dyn_relocs field of the hash table entry. A similar |
5159 | situation occurs when creating shared libraries and symbol | |
5160 | visibility changes render the symbol local. | |
5161 | ||
5162 | If on the other hand, we are creating an executable, we | |
5163 | may need to keep relocations for symbols satisfied by a | |
5164 | dynamic library if we manage to avoid copy relocs for the | |
5165 | symbol. */ | |
5166 | if ((info->shared | |
5167 | && (sec->flags & SEC_ALLOC) != 0 | |
3376eaf5 | 5168 | && (r_type != R_SH_REL32 |
067653c5 AM |
5169 | || (h != NULL |
5170 | && (! info->symbolic | |
5171 | || h->root.type == bfd_link_hash_defweak | |
f5385ebf | 5172 | || !h->def_regular)))) |
067653c5 AM |
5173 | || (! info->shared |
5174 | && (sec->flags & SEC_ALLOC) != 0 | |
5175 | && h != NULL | |
5176 | && (h->root.type == bfd_link_hash_defweak | |
f5385ebf | 5177 | || !h->def_regular))) |
37c644f2 | 5178 | { |
067653c5 AM |
5179 | struct elf_sh_dyn_relocs *p; |
5180 | struct elf_sh_dyn_relocs **head; | |
5181 | ||
2293c499 AM |
5182 | if (htab->root.dynobj == NULL) |
5183 | htab->root.dynobj = abfd; | |
067653c5 | 5184 | |
37c644f2 AO |
5185 | /* When creating a shared object, we must copy these |
5186 | reloc types into the output file. We create a reloc | |
5187 | section in dynobj and make room for this reloc. */ | |
5188 | if (sreloc == NULL) | |
5189 | { | |
5190 | const char *name; | |
5191 | ||
5192 | name = (bfd_elf_string_from_elf_section | |
5193 | (abfd, | |
5194 | elf_elfheader (abfd)->e_shstrndx, | |
5195 | elf_section_data (sec)->rel_hdr.sh_name)); | |
5196 | if (name == NULL) | |
b34976b6 | 5197 | return FALSE; |
37c644f2 | 5198 | |
0112cd26 | 5199 | BFD_ASSERT (CONST_STRNEQ (name, ".rela") |
37c644f2 AO |
5200 | && strcmp (bfd_get_section_name (abfd, sec), |
5201 | name + 5) == 0); | |
5202 | ||
2293c499 | 5203 | sreloc = bfd_get_section_by_name (htab->root.dynobj, name); |
37c644f2 AO |
5204 | if (sreloc == NULL) |
5205 | { | |
5206 | flagword flags; | |
5207 | ||
37c644f2 AO |
5208 | flags = (SEC_HAS_CONTENTS | SEC_READONLY |
5209 | | SEC_IN_MEMORY | SEC_LINKER_CREATED); | |
5210 | if ((sec->flags & SEC_ALLOC) != 0) | |
5211 | flags |= SEC_ALLOC | SEC_LOAD; | |
3496cb2a L |
5212 | sreloc = bfd_make_section_with_flags (htab->root.dynobj, |
5213 | name, | |
5214 | flags); | |
37c644f2 | 5215 | if (sreloc == NULL |
2293c499 AM |
5216 | || ! bfd_set_section_alignment (htab->root.dynobj, |
5217 | sreloc, 2)) | |
b34976b6 | 5218 | return FALSE; |
37c644f2 | 5219 | } |
067653c5 | 5220 | elf_section_data (sec)->sreloc = sreloc; |
37c644f2 AO |
5221 | } |
5222 | ||
067653c5 AM |
5223 | /* If this is a global symbol, we count the number of |
5224 | relocations we need for this symbol. */ | |
5225 | if (h != NULL) | |
5226 | head = &((struct elf_sh_link_hash_entry *) h)->dyn_relocs; | |
5227 | else | |
37c644f2 | 5228 | { |
067653c5 | 5229 | asection *s; |
6edfbbad | 5230 | void *vpp; |
37c644f2 | 5231 | |
067653c5 AM |
5232 | /* Track dynamic relocs needed for local syms too. */ |
5233 | s = bfd_section_from_r_symndx (abfd, &htab->sym_sec, | |
5234 | sec, r_symndx); | |
5235 | if (s == NULL) | |
b34976b6 | 5236 | return FALSE; |
37c644f2 | 5237 | |
6edfbbad DJ |
5238 | vpp = &elf_section_data (s)->local_dynrel; |
5239 | head = (struct elf_sh_dyn_relocs **) vpp; | |
067653c5 | 5240 | } |
37c644f2 | 5241 | |
067653c5 AM |
5242 | p = *head; |
5243 | if (p == NULL || p->sec != sec) | |
5244 | { | |
5245 | bfd_size_type amt = sizeof (*p); | |
2293c499 | 5246 | p = bfd_alloc (htab->root.dynobj, amt); |
37c644f2 | 5247 | if (p == NULL) |
b34976b6 | 5248 | return FALSE; |
067653c5 AM |
5249 | p->next = *head; |
5250 | *head = p; | |
5251 | p->sec = sec; | |
5252 | p->count = 0; | |
5253 | p->pc_count = 0; | |
37c644f2 | 5254 | } |
067653c5 AM |
5255 | |
5256 | p->count += 1; | |
46e993b9 KK |
5257 | if (r_type == R_SH_REL32 |
5258 | #ifdef INCLUDE_SHMEDIA | |
5259 | || r_type == R_SH_IMM_LOW16_PCREL | |
5260 | || r_type == R_SH_IMM_MEDLOW16_PCREL | |
5261 | || r_type == R_SH_IMM_MEDHI16_PCREL | |
5262 | || r_type == R_SH_IMM_HI16_PCREL | |
5263 | #endif | |
5264 | ) | |
067653c5 | 5265 | p->pc_count += 1; |
37c644f2 AO |
5266 | } |
5267 | ||
5268 | break; | |
3376eaf5 KK |
5269 | |
5270 | case R_SH_TLS_LE_32: | |
5271 | if (info->shared) | |
5272 | { | |
d003868e AM |
5273 | (*_bfd_error_handler) |
5274 | (_("%B: TLS local exec code cannot be linked into shared objects"), | |
5275 | abfd); | |
b34976b6 | 5276 | return FALSE; |
3376eaf5 KK |
5277 | } |
5278 | ||
267fb3c1 | 5279 | break; |
3376eaf5 | 5280 | |
3376eaf5 | 5281 | case R_SH_TLS_LDO_32: |
267fb3c1 | 5282 | /* Nothing to do. */ |
3376eaf5 KK |
5283 | break; |
5284 | ||
5285 | default: | |
5286 | break; | |
435b1e90 | 5287 | } |
252b5132 | 5288 | } |
435b1e90 | 5289 | |
b34976b6 | 5290 | return TRUE; |
252b5132 RH |
5291 | } |
5292 | ||
fbca6ad9 | 5293 | #ifndef sh_elf_set_mach_from_flags |
f6f9408f JR |
5294 | static unsigned int sh_ef_bfd_table[] = { EF_SH_BFD_TABLE }; |
5295 | ||
b34976b6 | 5296 | static bfd_boolean |
09fd220b | 5297 | sh_elf_set_mach_from_flags (bfd *abfd) |
d4845d57 | 5298 | { |
f6f9408f JR |
5299 | flagword flags = elf_elfheader (abfd)->e_flags & EF_SH_MACH_MASK; |
5300 | ||
5301 | if (flags >= sizeof(sh_ef_bfd_table)) | |
5302 | return FALSE; | |
5303 | ||
5304 | if (sh_ef_bfd_table[flags] == 0) | |
5305 | return FALSE; | |
5306 | ||
5307 | bfd_default_set_arch_mach (abfd, bfd_arch_sh, sh_ef_bfd_table[flags]); | |
d4845d57 | 5308 | |
b34976b6 | 5309 | return TRUE; |
d4845d57 | 5310 | } |
f6f9408f JR |
5311 | |
5312 | ||
5313 | /* Reverse table lookup for sh_ef_bfd_table[]. | |
5314 | Given a bfd MACH value from archures.c | |
5315 | return the equivalent ELF flags from the table. | |
5316 | Return -1 if no match is found. */ | |
5317 | ||
5318 | int | |
5319 | sh_elf_get_flags_from_mach (unsigned long mach) | |
5320 | { | |
4195f552 | 5321 | int i = ARRAY_SIZE (sh_ef_bfd_table) - 1; |
f6f9408f JR |
5322 | |
5323 | for (; i>0; i--) | |
5324 | if (sh_ef_bfd_table[i] == mach) | |
5325 | return i; | |
5326 | ||
5327 | /* shouldn't get here */ | |
5328 | BFD_FAIL(); | |
5329 | ||
5330 | return -1; | |
5331 | } | |
fbca6ad9 | 5332 | #endif /* not sh_elf_set_mach_from_flags */ |
d4845d57 | 5333 | |
fbca6ad9 | 5334 | #ifndef sh_elf_set_private_flags |
435b1e90 KH |
5335 | /* Function to keep SH specific file flags. */ |
5336 | ||
b34976b6 | 5337 | static bfd_boolean |
09fd220b | 5338 | sh_elf_set_private_flags (bfd *abfd, flagword flags) |
d4845d57 JR |
5339 | { |
5340 | BFD_ASSERT (! elf_flags_init (abfd) | |
5341 | || elf_elfheader (abfd)->e_flags == flags); | |
5342 | ||
5343 | elf_elfheader (abfd)->e_flags = flags; | |
b34976b6 | 5344 | elf_flags_init (abfd) = TRUE; |
d4845d57 JR |
5345 | return sh_elf_set_mach_from_flags (abfd); |
5346 | } | |
fbca6ad9 | 5347 | #endif /* not sh_elf_set_private_flags */ |
d4845d57 | 5348 | |
fbca6ad9 | 5349 | #ifndef sh_elf_copy_private_data |
d4845d57 | 5350 | /* Copy backend specific data from one object module to another */ |
435b1e90 | 5351 | |
b34976b6 | 5352 | static bfd_boolean |
09fd220b | 5353 | sh_elf_copy_private_data (bfd * ibfd, bfd * obfd) |
d4845d57 | 5354 | { |
38b1a46c | 5355 | if ( bfd_get_flavour (ibfd) != bfd_target_elf_flavour |
d4845d57 | 5356 | || bfd_get_flavour (obfd) != bfd_target_elf_flavour) |
b34976b6 | 5357 | return TRUE; |
d4845d57 | 5358 | |
104d59d1 JM |
5359 | /* Copy object attributes. */ |
5360 | _bfd_elf_copy_obj_attributes (ibfd, obfd); | |
5361 | ||
d4845d57 JR |
5362 | return sh_elf_set_private_flags (obfd, elf_elfheader (ibfd)->e_flags); |
5363 | } | |
fbca6ad9 | 5364 | #endif /* not sh_elf_copy_private_data */ |
d4845d57 | 5365 | |
fbca6ad9 | 5366 | #ifndef sh_elf_merge_private_data |
d4845d57 | 5367 | |
f6f9408f JR |
5368 | /* This function returns the ELF architecture number that |
5369 | corresponds to the given arch_sh* flags. */ | |
85fbca6a | 5370 | |
f6f9408f JR |
5371 | int |
5372 | sh_find_elf_flags (unsigned int arch_set) | |
d4845d57 | 5373 | { |
85fbca6a | 5374 | extern unsigned long sh_get_bfd_mach_from_arch_set (unsigned int); |
f6f9408f | 5375 | unsigned long bfd_mach = sh_get_bfd_mach_from_arch_set (arch_set); |
d4845d57 | 5376 | |
f6f9408f JR |
5377 | return sh_elf_get_flags_from_mach (bfd_mach); |
5378 | } | |
f6f9408f JR |
5379 | |
5380 | /* This routine initialises the elf flags when required and | |
5381 | calls sh_merge_bfd_arch() to check dsp/fpu compatibility. */ | |
d4845d57 | 5382 | |
f6f9408f JR |
5383 | static bfd_boolean |
5384 | sh_elf_merge_private_data (bfd *ibfd, bfd *obfd) | |
5385 | { | |
85fbca6a NC |
5386 | extern bfd_boolean sh_merge_bfd_arch (bfd *, bfd *); |
5387 | ||
d4845d57 JR |
5388 | if ( bfd_get_flavour (ibfd) != bfd_target_elf_flavour |
5389 | || bfd_get_flavour (obfd) != bfd_target_elf_flavour) | |
b34976b6 | 5390 | return TRUE; |
d4845d57 JR |
5391 | |
5392 | if (! elf_flags_init (obfd)) | |
5393 | { | |
a39b79b9 | 5394 | /* This happens when ld starts out with a 'blank' output file. */ |
b34976b6 | 5395 | elf_flags_init (obfd) = TRUE; |
a39b79b9 | 5396 | elf_elfheader (obfd)->e_flags = EF_SH1; |
f6f9408f | 5397 | sh_elf_set_mach_from_flags (obfd); |
d4845d57 | 5398 | } |
d4845d57 | 5399 | |
85fbca6a | 5400 | if (! sh_merge_bfd_arch (ibfd, obfd)) |
1d70c7fb | 5401 | { |
d003868e | 5402 | _bfd_error_handler ("%B: uses instructions which are incompatible " |
1d70c7fb | 5403 | "with instructions used in previous modules", |
d003868e | 5404 | ibfd); |
1d70c7fb AO |
5405 | bfd_set_error (bfd_error_bad_value); |
5406 | return FALSE; | |
5407 | } | |
f6f9408f JR |
5408 | |
5409 | elf_elfheader (obfd)->e_flags = | |
5410 | sh_elf_get_flags_from_mach (bfd_get_mach (obfd)); | |
5411 | ||
5412 | return TRUE; | |
d4845d57 | 5413 | } |
fbca6ad9 | 5414 | #endif /* not sh_elf_merge_private_data */ |
d4845d57 | 5415 | |
3376eaf5 KK |
5416 | /* Override the generic function because we need to store sh_elf_obj_tdata |
5417 | as the specific tdata. We set also the machine architecture from flags | |
5418 | here. */ | |
5419 | ||
b34976b6 | 5420 | static bfd_boolean |
09fd220b | 5421 | sh_elf_object_p (bfd *abfd) |
3376eaf5 | 5422 | { |
66becf32 | 5423 | return sh_elf_set_mach_from_flags (abfd); |
3376eaf5 KK |
5424 | } |
5425 | ||
37c644f2 AO |
5426 | /* Finish up dynamic symbol handling. We set the contents of various |
5427 | dynamic sections here. */ | |
5428 | ||
b34976b6 | 5429 | static bfd_boolean |
09fd220b KK |
5430 | sh_elf_finish_dynamic_symbol (bfd *output_bfd, struct bfd_link_info *info, |
5431 | struct elf_link_hash_entry *h, | |
5432 | Elf_Internal_Sym *sym) | |
37c644f2 | 5433 | { |
067653c5 | 5434 | struct elf_sh_link_hash_table *htab; |
37c644f2 | 5435 | |
067653c5 | 5436 | htab = sh_elf_hash_table (info); |
37c644f2 AO |
5437 | |
5438 | if (h->plt.offset != (bfd_vma) -1) | |
5439 | { | |
5440 | asection *splt; | |
5441 | asection *sgot; | |
5442 | asection *srel; | |
5443 | ||
5444 | bfd_vma plt_index; | |
5445 | bfd_vma got_offset; | |
5446 | Elf_Internal_Rela rel; | |
947216bf | 5447 | bfd_byte *loc; |
37c644f2 AO |
5448 | |
5449 | /* This symbol has an entry in the procedure linkage table. Set | |
5450 | it up. */ | |
5451 | ||
5452 | BFD_ASSERT (h->dynindx != -1); | |
5453 | ||
067653c5 AM |
5454 | splt = htab->splt; |
5455 | sgot = htab->sgotplt; | |
5456 | srel = htab->srelplt; | |
37c644f2 AO |
5457 | BFD_ASSERT (splt != NULL && sgot != NULL && srel != NULL); |
5458 | ||
5459 | /* Get the index in the procedure linkage table which | |
5460 | corresponds to this symbol. This is the index of this symbol | |
5461 | in all the symbols for which we are making plt entries. The | |
5462 | first entry in the procedure linkage table is reserved. */ | |
55e6e397 | 5463 | plt_index = get_plt_index (htab->plt_info, h->plt.offset); |
37c644f2 AO |
5464 | |
5465 | /* Get the offset into the .got table of the entry that | |
5466 | corresponds to this function. Each .got entry is 4 bytes. | |
5467 | The first three are reserved. */ | |
5468 | got_offset = (plt_index + 3) * 4; | |
5469 | ||
fbca6ad9 | 5470 | #ifdef GOT_BIAS |
c8614e8e AM |
5471 | if (info->shared) |
5472 | got_offset -= GOT_BIAS; | |
fbca6ad9 AO |
5473 | #endif |
5474 | ||
37c644f2 | 5475 | /* Fill in the entry in the procedure linkage table. */ |
55e6e397 RS |
5476 | memcpy (splt->contents + h->plt.offset, |
5477 | htab->plt_info->symbol_entry, | |
5478 | htab->plt_info->symbol_entry_size); | |
5479 | ||
5480 | if (info->shared) | |
5481 | install_plt_field (output_bfd, FALSE, got_offset, | |
5482 | (splt->contents | |
5483 | + h->plt.offset | |
5484 | + htab->plt_info->symbol_fields.got_entry)); | |
5485 | else | |
37c644f2 | 5486 | { |
55e6e397 | 5487 | install_plt_field (output_bfd, FALSE, |
fbca6ad9 AO |
5488 | (sgot->output_section->vma |
5489 | + sgot->output_offset | |
5490 | + got_offset), | |
55e6e397 RS |
5491 | (splt->contents |
5492 | + h->plt.offset | |
5493 | + htab->plt_info->symbol_fields.got_entry)); | |
5494 | if (htab->vxworks_p) | |
37c644f2 | 5495 | { |
55e6e397 RS |
5496 | unsigned int reachable_plts, plts_per_4k; |
5497 | int distance; | |
5498 | ||
5499 | /* Divide the PLT into groups. The first group contains | |
5500 | REACHABLE_PLTS entries and the other groups contain | |
5501 | PLTS_PER_4K entries. Entries in the first group can | |
5502 | branch directly to .plt; those in later groups branch | |
5503 | to the last element of the previous group. */ | |
5504 | /* ??? It would be better to create multiple copies of | |
5505 | the common resolver stub. */ | |
5506 | reachable_plts = ((4096 | |
5507 | - htab->plt_info->plt0_entry_size | |
5508 | - (htab->plt_info->symbol_fields.plt + 4)) | |
5509 | / htab->plt_info->symbol_entry_size) + 1; | |
5510 | plts_per_4k = (4096 / htab->plt_info->symbol_entry_size); | |
5511 | if (plt_index < reachable_plts) | |
5512 | distance = -(h->plt.offset | |
5513 | + htab->plt_info->symbol_fields.plt); | |
5514 | else | |
5515 | distance = -(((plt_index - reachable_plts) % plts_per_4k + 1) | |
5516 | * htab->plt_info->symbol_entry_size); | |
5517 | ||
5518 | /* Install the 'bra' with this offset. */ | |
5519 | bfd_put_16 (output_bfd, | |
5520 | 0xa000 | (0x0fff & ((distance - 4) / 2)), | |
5521 | (splt->contents | |
5522 | + h->plt.offset | |
5523 | + htab->plt_info->symbol_fields.plt)); | |
37c644f2 | 5524 | } |
55e6e397 RS |
5525 | else |
5526 | install_plt_field (output_bfd, TRUE, | |
5527 | splt->output_section->vma + splt->output_offset, | |
5528 | (splt->contents | |
5529 | + h->plt.offset | |
5530 | + htab->plt_info->symbol_fields.plt)); | |
37c644f2 AO |
5531 | } |
5532 | ||
fbca6ad9 | 5533 | #ifdef GOT_BIAS |
c8614e8e AM |
5534 | if (info->shared) |
5535 | got_offset += GOT_BIAS; | |
fbca6ad9 AO |
5536 | #endif |
5537 | ||
55e6e397 | 5538 | install_plt_field (output_bfd, FALSE, |
fbca6ad9 | 5539 | plt_index * sizeof (Elf32_External_Rela), |
55e6e397 RS |
5540 | (splt->contents |
5541 | + h->plt.offset | |
5542 | + htab->plt_info->symbol_fields.reloc_offset)); | |
37c644f2 AO |
5543 | |
5544 | /* Fill in the entry in the global offset table. */ | |
5545 | bfd_put_32 (output_bfd, | |
5546 | (splt->output_section->vma | |
5547 | + splt->output_offset | |
5548 | + h->plt.offset | |
55e6e397 | 5549 | + htab->plt_info->symbol_resolve_offset), |
37c644f2 AO |
5550 | sgot->contents + got_offset); |
5551 | ||
5552 | /* Fill in the entry in the .rela.plt section. */ | |
5553 | rel.r_offset = (sgot->output_section->vma | |
5554 | + sgot->output_offset | |
5555 | + got_offset); | |
5556 | rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_JMP_SLOT); | |
5557 | rel.r_addend = 0; | |
fbca6ad9 AO |
5558 | #ifdef GOT_BIAS |
5559 | rel.r_addend = GOT_BIAS; | |
5560 | #endif | |
947216bf AM |
5561 | loc = srel->contents + plt_index * sizeof (Elf32_External_Rela); |
5562 | bfd_elf32_swap_reloca_out (output_bfd, &rel, loc); | |
37c644f2 | 5563 | |
55e6e397 RS |
5564 | if (htab->vxworks_p && !info->shared) |
5565 | { | |
5566 | /* Create the .rela.plt.unloaded relocations for this PLT entry. | |
5567 | Begin by pointing LOC to the first such relocation. */ | |
5568 | loc = (htab->srelplt2->contents | |
5569 | + (plt_index * 2 + 1) * sizeof (Elf32_External_Rela)); | |
5570 | ||
5571 | /* Create a .rela.plt.unloaded R_SH_DIR32 relocation | |
5572 | for the PLT entry's pointer to the .got.plt entry. */ | |
5573 | rel.r_offset = (htab->splt->output_section->vma | |
5574 | + htab->splt->output_offset | |
5575 | + h->plt.offset | |
5576 | + htab->plt_info->symbol_fields.got_entry); | |
5577 | rel.r_info = ELF32_R_INFO (htab->root.hgot->indx, R_SH_DIR32); | |
5578 | rel.r_addend = got_offset; | |
5579 | bfd_elf32_swap_reloca_out (output_bfd, &rel, loc); | |
5580 | loc += sizeof (Elf32_External_Rela); | |
5581 | ||
5582 | /* Create a .rela.plt.unloaded R_SH_DIR32 relocation for | |
5583 | the .got.plt entry, which initially points to .plt. */ | |
5584 | rel.r_offset = (htab->sgotplt->output_section->vma | |
5585 | + htab->sgotplt->output_offset | |
5586 | + got_offset); | |
5587 | rel.r_info = ELF32_R_INFO (htab->root.hplt->indx, R_SH_DIR32); | |
5588 | rel.r_addend = 0; | |
5589 | bfd_elf32_swap_reloc_out (output_bfd, &rel, loc); | |
5590 | } | |
5591 | ||
f5385ebf | 5592 | if (!h->def_regular) |
37c644f2 AO |
5593 | { |
5594 | /* Mark the symbol as undefined, rather than as defined in | |
5595 | the .plt section. Leave the value alone. */ | |
5596 | sym->st_shndx = SHN_UNDEF; | |
5597 | } | |
5598 | } | |
5599 | ||
3376eaf5 KK |
5600 | if (h->got.offset != (bfd_vma) -1 |
5601 | && sh_elf_hash_entry (h)->tls_type != GOT_TLS_GD | |
5602 | && sh_elf_hash_entry (h)->tls_type != GOT_TLS_IE) | |
37c644f2 AO |
5603 | { |
5604 | asection *sgot; | |
5605 | asection *srel; | |
5606 | Elf_Internal_Rela rel; | |
947216bf | 5607 | bfd_byte *loc; |
37c644f2 AO |
5608 | |
5609 | /* This symbol has an entry in the global offset table. Set it | |
5610 | up. */ | |
5611 | ||
067653c5 AM |
5612 | sgot = htab->sgot; |
5613 | srel = htab->srelgot; | |
37c644f2 AO |
5614 | BFD_ASSERT (sgot != NULL && srel != NULL); |
5615 | ||
5616 | rel.r_offset = (sgot->output_section->vma | |
5617 | + sgot->output_offset | |
dc810e39 | 5618 | + (h->got.offset &~ (bfd_vma) 1)); |
37c644f2 | 5619 | |
067653c5 AM |
5620 | /* If this is a static link, or it is a -Bsymbolic link and the |
5621 | symbol is defined locally or was forced to be local because | |
5622 | of a version file, we just want to emit a RELATIVE reloc. | |
37c644f2 AO |
5623 | The entry in the global offset table will already have been |
5624 | initialized in the relocate_section function. */ | |
5625 | if (info->shared | |
3d85aebe | 5626 | && SYMBOL_REFERENCES_LOCAL (info, h)) |
37c644f2 AO |
5627 | { |
5628 | rel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE); | |
5629 | rel.r_addend = (h->root.u.def.value | |
5630 | + h->root.u.def.section->output_section->vma | |
5631 | + h->root.u.def.section->output_offset); | |
5632 | } | |
5633 | else | |
5634 | { | |
5635 | bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset); | |
5636 | rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_GLOB_DAT); | |
5637 | rel.r_addend = 0; | |
5638 | } | |
5639 | ||
947216bf AM |
5640 | loc = srel->contents; |
5641 | loc += srel->reloc_count++ * sizeof (Elf32_External_Rela); | |
5642 | bfd_elf32_swap_reloca_out (output_bfd, &rel, loc); | |
37c644f2 AO |
5643 | } |
5644 | ||
396a6083 SC |
5645 | #ifdef INCLUDE_SHMEDIA |
5646 | { | |
5647 | struct elf_sh_link_hash_entry *eh; | |
5648 | ||
5649 | eh = (struct elf_sh_link_hash_entry *) h; | |
5650 | if (eh->datalabel_got.offset != (bfd_vma) -1) | |
5651 | { | |
5652 | asection *sgot; | |
5653 | asection *srel; | |
5654 | Elf_Internal_Rela rel; | |
947216bf | 5655 | bfd_byte *loc; |
396a6083 SC |
5656 | |
5657 | /* This symbol has a datalabel entry in the global offset table. | |
5658 | Set it up. */ | |
5659 | ||
5660 | sgot = htab->sgot; | |
5661 | srel = htab->srelgot; | |
5662 | BFD_ASSERT (sgot != NULL && srel != NULL); | |
5663 | ||
5664 | rel.r_offset = (sgot->output_section->vma | |
5665 | + sgot->output_offset | |
5666 | + (eh->datalabel_got.offset &~ (bfd_vma) 1)); | |
5667 | ||
5668 | /* If this is a static link, or it is a -Bsymbolic link and the | |
5669 | symbol is defined locally or was forced to be local because | |
5670 | of a version file, we just want to emit a RELATIVE reloc. | |
5671 | The entry in the global offset table will already have been | |
5672 | initialized in the relocate_section function. */ | |
5673 | if (info->shared | |
3d85aebe | 5674 | && SYMBOL_REFERENCES_LOCAL (info, h)) |
396a6083 SC |
5675 | { |
5676 | rel.r_info = ELF32_R_INFO (0, R_SH_RELATIVE); | |
5677 | rel.r_addend = (h->root.u.def.value | |
5678 | + h->root.u.def.section->output_section->vma | |
5679 | + h->root.u.def.section->output_offset); | |
5680 | } | |
5681 | else | |
5682 | { | |
5683 | bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents | |
5684 | + eh->datalabel_got.offset); | |
5685 | rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_GLOB_DAT); | |
5686 | rel.r_addend = 0; | |
5687 | } | |
5688 | ||
947216bf AM |
5689 | loc = srel->contents; |
5690 | loc += srel->reloc_count++ * sizeof (Elf32_External_Rela); | |
5691 | bfd_elf32_swap_reloca_out (output_bfd, &rel, loc); | |
396a6083 SC |
5692 | } |
5693 | } | |
5694 | #endif | |
5695 | ||
f5385ebf | 5696 | if (h->needs_copy) |
37c644f2 AO |
5697 | { |
5698 | asection *s; | |
5699 | Elf_Internal_Rela rel; | |
947216bf | 5700 | bfd_byte *loc; |
37c644f2 AO |
5701 | |
5702 | /* This symbol needs a copy reloc. Set it up. */ | |
5703 | ||
5704 | BFD_ASSERT (h->dynindx != -1 | |
5705 | && (h->root.type == bfd_link_hash_defined | |
5706 | || h->root.type == bfd_link_hash_defweak)); | |
5707 | ||
5708 | s = bfd_get_section_by_name (h->root.u.def.section->owner, | |
5709 | ".rela.bss"); | |
5710 | BFD_ASSERT (s != NULL); | |
5711 | ||
5712 | rel.r_offset = (h->root.u.def.value | |
5713 | + h->root.u.def.section->output_section->vma | |
5714 | + h->root.u.def.section->output_offset); | |
5715 | rel.r_info = ELF32_R_INFO (h->dynindx, R_SH_COPY); | |
5716 | rel.r_addend = 0; | |
947216bf AM |
5717 | loc = s->contents + s->reloc_count++ * sizeof (Elf32_External_Rela); |
5718 | bfd_elf32_swap_reloca_out (output_bfd, &rel, loc); | |
37c644f2 AO |
5719 | } |
5720 | ||
55e6e397 RS |
5721 | /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. On VxWorks, |
5722 | _GLOBAL_OFFSET_TABLE_ is not absolute: it is relative to the | |
5723 | ".got" section. */ | |
37c644f2 | 5724 | if (strcmp (h->root.root.string, "_DYNAMIC") == 0 |
55e6e397 | 5725 | || (!htab->vxworks_p && h == htab->root.hgot)) |
37c644f2 AO |
5726 | sym->st_shndx = SHN_ABS; |
5727 | ||
b34976b6 | 5728 | return TRUE; |
37c644f2 AO |
5729 | } |
5730 | ||
5731 | /* Finish up the dynamic sections. */ | |
5732 | ||
b34976b6 | 5733 | static bfd_boolean |
09fd220b | 5734 | sh_elf_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info) |
37c644f2 | 5735 | { |
067653c5 | 5736 | struct elf_sh_link_hash_table *htab; |
37c644f2 AO |
5737 | asection *sgot; |
5738 | asection *sdyn; | |
5739 | ||
067653c5 | 5740 | htab = sh_elf_hash_table (info); |
067653c5 | 5741 | sgot = htab->sgotplt; |
2293c499 | 5742 | sdyn = bfd_get_section_by_name (htab->root.dynobj, ".dynamic"); |
37c644f2 | 5743 | |
067653c5 | 5744 | if (htab->root.dynamic_sections_created) |
37c644f2 AO |
5745 | { |
5746 | asection *splt; | |
5747 | Elf32_External_Dyn *dyncon, *dynconend; | |
5748 | ||
067653c5 | 5749 | BFD_ASSERT (sgot != NULL && sdyn != NULL); |
37c644f2 AO |
5750 | |
5751 | dyncon = (Elf32_External_Dyn *) sdyn->contents; | |
eea6121a | 5752 | dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size); |
37c644f2 AO |
5753 | for (; dyncon < dynconend; dyncon++) |
5754 | { | |
5755 | Elf_Internal_Dyn dyn; | |
37c644f2 | 5756 | asection *s; |
067653c5 AM |
5757 | #ifdef INCLUDE_SHMEDIA |
5758 | const char *name; | |
5759 | #endif | |
37c644f2 | 5760 | |
2293c499 | 5761 | bfd_elf32_swap_dyn_in (htab->root.dynobj, dyncon, &dyn); |
37c644f2 AO |
5762 | |
5763 | switch (dyn.d_tag) | |
5764 | { | |
5765 | default: | |
5766 | break; | |
5767 | ||
3b587c71 AM |
5768 | #ifdef INCLUDE_SHMEDIA |
5769 | case DT_INIT: | |
5770 | name = info->init_function; | |
5771 | goto get_sym; | |
5772 | ||
5773 | case DT_FINI: | |
5774 | name = info->fini_function; | |
5775 | get_sym: | |
5776 | if (dyn.d_un.d_val != 0) | |
5777 | { | |
067653c5 AM |
5778 | struct elf_link_hash_entry *h; |
5779 | ||
5780 | h = elf_link_hash_lookup (&htab->root, name, | |
b34976b6 | 5781 | FALSE, FALSE, TRUE); |
3b587c71 AM |
5782 | if (h != NULL && (h->other & STO_SH5_ISA32)) |
5783 | { | |
5784 | dyn.d_un.d_val |= 1; | |
5785 | bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon); | |
5786 | } | |
5787 | } | |
5788 | break; | |
5789 | #endif | |
5790 | ||
37c644f2 | 5791 | case DT_PLTGOT: |
067653c5 | 5792 | s = htab->sgot->output_section; |
37c644f2 AO |
5793 | goto get_vma; |
5794 | ||
5795 | case DT_JMPREL: | |
067653c5 | 5796 | s = htab->srelplt->output_section; |
37c644f2 | 5797 | get_vma: |
37c644f2 AO |
5798 | BFD_ASSERT (s != NULL); |
5799 | dyn.d_un.d_ptr = s->vma; | |
5800 | bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon); | |
5801 | break; | |
5802 | ||
5803 | case DT_PLTRELSZ: | |
067653c5 | 5804 | s = htab->srelplt->output_section; |
37c644f2 | 5805 | BFD_ASSERT (s != NULL); |
eea6121a | 5806 | dyn.d_un.d_val = s->size; |
37c644f2 AO |
5807 | bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon); |
5808 | break; | |
5809 | ||
5810 | case DT_RELASZ: | |
5811 | /* My reading of the SVR4 ABI indicates that the | |
5812 | procedure linkage table relocs (DT_JMPREL) should be | |
5813 | included in the overall relocs (DT_RELA). This is | |
5814 | what Solaris does. However, UnixWare can not handle | |
5815 | that case. Therefore, we override the DT_RELASZ entry | |
5816 | here to make it not include the JMPREL relocs. Since | |
5817 | the linker script arranges for .rela.plt to follow all | |
5818 | other relocation sections, we don't have to worry | |
5819 | about changing the DT_RELA entry. */ | |
067653c5 | 5820 | if (htab->srelplt != NULL) |
37c644f2 | 5821 | { |
067653c5 | 5822 | s = htab->srelplt->output_section; |
eea6121a | 5823 | dyn.d_un.d_val -= s->size; |
37c644f2 AO |
5824 | } |
5825 | bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon); | |
5826 | break; | |
5827 | } | |
5828 | } | |
5829 | ||
5830 | /* Fill in the first entry in the procedure linkage table. */ | |
067653c5 | 5831 | splt = htab->splt; |
55e6e397 | 5832 | if (splt && splt->size > 0 && htab->plt_info->plt0_entry) |
37c644f2 | 5833 | { |
55e6e397 RS |
5834 | unsigned int i; |
5835 | ||
5836 | memcpy (splt->contents, | |
5837 | htab->plt_info->plt0_entry, | |
5838 | htab->plt_info->plt0_entry_size); | |
5839 | for (i = 0; i < ARRAY_SIZE (htab->plt_info->plt0_got_fields); i++) | |
5840 | if (htab->plt_info->plt0_got_fields[i] != MINUS_ONE) | |
5841 | install_plt_field (output_bfd, FALSE, | |
5842 | (sgot->output_section->vma | |
5843 | + sgot->output_offset | |
5844 | + (i * 4)), | |
5845 | (splt->contents | |
5846 | + htab->plt_info->plt0_got_fields[i])); | |
5847 | ||
5848 | if (htab->vxworks_p) | |
37c644f2 | 5849 | { |
55e6e397 RS |
5850 | /* Finalize the .rela.plt.unloaded contents. */ |
5851 | Elf_Internal_Rela rel; | |
5852 | bfd_byte *loc; | |
5853 | ||
5854 | /* Create a .rela.plt.unloaded R_SH_DIR32 relocation for the | |
5855 | first PLT entry's pointer to _GLOBAL_OFFSET_TABLE_ + 8. */ | |
5856 | loc = htab->srelplt2->contents; | |
5857 | rel.r_offset = (splt->output_section->vma | |
5858 | + splt->output_offset | |
5859 | + htab->plt_info->plt0_got_fields[2]); | |
5860 | rel.r_info = ELF32_R_INFO (htab->root.hgot->indx, R_SH_DIR32); | |
5861 | rel.r_addend = 8; | |
5862 | bfd_elf32_swap_reloca_out (output_bfd, &rel, loc); | |
5863 | loc += sizeof (Elf32_External_Rela); | |
5864 | ||
5865 | /* Fix up the remaining .rela.plt.unloaded relocations. | |
5866 | They may have the wrong symbol index for _G_O_T_ or | |
5867 | _P_L_T_ depending on the order in which symbols were | |
5868 | output. */ | |
5869 | while (loc < htab->srelplt2->contents + htab->srelplt2->size) | |
37c644f2 | 5870 | { |
55e6e397 RS |
5871 | /* The PLT entry's pointer to the .got.plt slot. */ |
5872 | bfd_elf32_swap_reloc_in (output_bfd, loc, &rel); | |
5873 | rel.r_info = ELF32_R_INFO (htab->root.hgot->indx, | |
5874 | R_SH_DIR32); | |
5875 | bfd_elf32_swap_reloc_out (output_bfd, &rel, loc); | |
5876 | loc += sizeof (Elf32_External_Rela); | |
5877 | ||
5878 | /* The .got.plt slot's pointer to .plt. */ | |
5879 | bfd_elf32_swap_reloc_in (output_bfd, loc, &rel); | |
5880 | rel.r_info = ELF32_R_INFO (htab->root.hplt->indx, | |
5881 | R_SH_DIR32); | |
5882 | bfd_elf32_swap_reloc_out (output_bfd, &rel, loc); | |
5883 | loc += sizeof (Elf32_External_Rela); | |
37c644f2 | 5884 | } |
37c644f2 AO |
5885 | } |
5886 | ||
5887 | /* UnixWare sets the entsize of .plt to 4, although that doesn't | |
5888 | really seem like the right value. */ | |
5889 | elf_section_data (splt->output_section)->this_hdr.sh_entsize = 4; | |
5890 | } | |
5891 | } | |
5892 | ||
5893 | /* Fill in the first three entries in the global offset table. */ | |
eea6121a | 5894 | if (sgot && sgot->size > 0) |
37c644f2 AO |
5895 | { |
5896 | if (sdyn == NULL) | |
5897 | bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents); | |
5898 | else | |
5899 | bfd_put_32 (output_bfd, | |
5900 | sdyn->output_section->vma + sdyn->output_offset, | |
5901 | sgot->contents); | |
5902 | bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 4); | |
5903 | bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 8); | |
37c644f2 | 5904 | |
067653c5 AM |
5905 | elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 4; |
5906 | } | |
37c644f2 | 5907 | |
b34976b6 | 5908 | return TRUE; |
37c644f2 AO |
5909 | } |
5910 | ||
99e4ae17 | 5911 | static enum elf_reloc_type_class |
09fd220b | 5912 | sh_elf_reloc_type_class (const Elf_Internal_Rela *rela) |
99e4ae17 | 5913 | { |
f51e552e | 5914 | switch ((int) ELF32_R_TYPE (rela->r_info)) |
99e4ae17 AJ |
5915 | { |
5916 | case R_SH_RELATIVE: | |
5917 | return reloc_class_relative; | |
5918 | case R_SH_JMP_SLOT: | |
5919 | return reloc_class_plt; | |
5920 | case R_SH_COPY: | |
5921 | return reloc_class_copy; | |
5922 | default: | |
5923 | return reloc_class_normal; | |
5924 | } | |
5925 | } | |
5926 | ||
85fbca6a | 5927 | #if !defined SH_TARGET_ALREADY_DEFINED |
571fe01f | 5928 | /* Support for Linux core dump NOTE sections. */ |
85fbca6a | 5929 | |
b34976b6 | 5930 | static bfd_boolean |
09fd220b | 5931 | elf32_shlin_grok_prstatus (bfd *abfd, Elf_Internal_Note *note) |
2bc3c89a AM |
5932 | { |
5933 | int offset; | |
eea6121a | 5934 | unsigned int size; |
2bc3c89a AM |
5935 | |
5936 | switch (note->descsz) | |
5937 | { | |
5938 | default: | |
b34976b6 | 5939 | return FALSE; |
2bc3c89a AM |
5940 | |
5941 | case 168: /* Linux/SH */ | |
5942 | /* pr_cursig */ | |
5943 | elf_tdata (abfd)->core_signal = bfd_get_16 (abfd, note->descdata + 12); | |
5944 | ||
5945 | /* pr_pid */ | |
5946 | elf_tdata (abfd)->core_pid = bfd_get_32 (abfd, note->descdata + 24); | |
5947 | ||
5948 | /* pr_reg */ | |
5949 | offset = 72; | |
eea6121a | 5950 | size = 92; |
2bc3c89a AM |
5951 | |
5952 | break; | |
5953 | } | |
5954 | ||
5955 | /* Make a ".reg/999" section. */ | |
5956 | return _bfd_elfcore_make_pseudosection (abfd, ".reg", | |
eea6121a | 5957 | size, note->descpos + offset); |
2bc3c89a AM |
5958 | } |
5959 | ||
b34976b6 | 5960 | static bfd_boolean |
09fd220b | 5961 | elf32_shlin_grok_psinfo (bfd *abfd, Elf_Internal_Note *note) |
2bc3c89a AM |
5962 | { |
5963 | switch (note->descsz) | |
5964 | { | |
5965 | default: | |
b34976b6 | 5966 | return FALSE; |
2bc3c89a AM |
5967 | |
5968 | case 124: /* Linux/SH elf_prpsinfo */ | |
5969 | elf_tdata (abfd)->core_program | |
5970 | = _bfd_elfcore_strndup (abfd, note->descdata + 28, 16); | |
5971 | elf_tdata (abfd)->core_command | |
5972 | = _bfd_elfcore_strndup (abfd, note->descdata + 44, 80); | |
5973 | } | |
5974 | ||
5975 | /* Note that for some reason, a spurious space is tacked | |
5976 | onto the end of the args in some (at least one anyway) | |
5977 | implementations, so strip it off if it exists. */ | |
5978 | ||
5979 | { | |
5980 | char *command = elf_tdata (abfd)->core_command; | |
5981 | int n = strlen (command); | |
5982 | ||
5983 | if (0 < n && command[n - 1] == ' ') | |
5984 | command[n - 1] = '\0'; | |
5985 | } | |
5986 | ||
b34976b6 | 5987 | return TRUE; |
2bc3c89a | 5988 | } |
85fbca6a | 5989 | #endif /* not SH_TARGET_ALREADY_DEFINED */ |
2bc3c89a | 5990 | |
1f1799d5 KK |
5991 | |
5992 | /* Return address for Ith PLT stub in section PLT, for relocation REL | |
5993 | or (bfd_vma) -1 if it should not be included. */ | |
5994 | ||
5995 | static bfd_vma | |
5996 | sh_elf_plt_sym_val (bfd_vma i, const asection *plt, | |
5997 | const arelent *rel ATTRIBUTE_UNUSED) | |
5998 | { | |
55e6e397 RS |
5999 | const struct elf_sh_plt_info *plt_info; |
6000 | ||
6001 | plt_info = get_plt_info (plt->owner, (plt->owner->flags & DYNAMIC) != 0); | |
6002 | return plt->vma + get_plt_offset (plt_info, i); | |
1f1799d5 KK |
6003 | } |
6004 | ||
85fbca6a | 6005 | #if !defined SH_TARGET_ALREADY_DEFINED |
252b5132 RH |
6006 | #define TARGET_BIG_SYM bfd_elf32_sh_vec |
6007 | #define TARGET_BIG_NAME "elf32-sh" | |
6008 | #define TARGET_LITTLE_SYM bfd_elf32_shl_vec | |
6009 | #define TARGET_LITTLE_NAME "elf32-shl" | |
85fbca6a NC |
6010 | #endif |
6011 | ||
252b5132 RH |
6012 | #define ELF_ARCH bfd_arch_sh |
6013 | #define ELF_MACHINE_CODE EM_SH | |
d0facd1b NC |
6014 | #ifdef __QNXTARGET__ |
6015 | #define ELF_MAXPAGESIZE 0x1000 | |
6016 | #else | |
6017 | #define ELF_MAXPAGESIZE 0x80 | |
6018 | #endif | |
252b5132 RH |
6019 | |
6020 | #define elf_symbol_leading_char '_' | |
6021 | ||
6022 | #define bfd_elf32_bfd_reloc_type_lookup sh_elf_reloc_type_lookup | |
157090f7 AM |
6023 | #define bfd_elf32_bfd_reloc_name_lookup \ |
6024 | sh_elf_reloc_name_lookup | |
252b5132 RH |
6025 | #define elf_info_to_howto sh_elf_info_to_howto |
6026 | #define bfd_elf32_bfd_relax_section sh_elf_relax_section | |
6027 | #define elf_backend_relocate_section sh_elf_relocate_section | |
6028 | #define bfd_elf32_bfd_get_relocated_section_contents \ | |
6029 | sh_elf_get_relocated_section_contents | |
3376eaf5 KK |
6030 | #define bfd_elf32_mkobject sh_elf_mkobject |
6031 | #define elf_backend_object_p sh_elf_object_p | |
d4845d57 JR |
6032 | #define bfd_elf32_bfd_set_private_bfd_flags \ |
6033 | sh_elf_set_private_flags | |
6034 | #define bfd_elf32_bfd_copy_private_bfd_data \ | |
6035 | sh_elf_copy_private_data | |
875f7f69 | 6036 | #define bfd_elf32_bfd_merge_private_bfd_data \ |
d4845d57 | 6037 | sh_elf_merge_private_data |
252b5132 | 6038 | |
067653c5 AM |
6039 | #define elf_backend_gc_mark_hook sh_elf_gc_mark_hook |
6040 | #define elf_backend_gc_sweep_hook sh_elf_gc_sweep_hook | |
6041 | #define elf_backend_check_relocs sh_elf_check_relocs | |
6042 | #define elf_backend_copy_indirect_symbol \ | |
6043 | sh_elf_copy_indirect_symbol | |
37c644f2 AO |
6044 | #define elf_backend_create_dynamic_sections \ |
6045 | sh_elf_create_dynamic_sections | |
6046 | #define bfd_elf32_bfd_link_hash_table_create \ | |
6047 | sh_elf_link_hash_table_create | |
6048 | #define elf_backend_adjust_dynamic_symbol \ | |
6049 | sh_elf_adjust_dynamic_symbol | |
55e6e397 RS |
6050 | #define elf_backend_always_size_sections \ |
6051 | sh_elf_always_size_sections | |
37c644f2 AO |
6052 | #define elf_backend_size_dynamic_sections \ |
6053 | sh_elf_size_dynamic_sections | |
74541ad4 AM |
6054 | #define elf_backend_omit_section_dynsym \ |
6055 | ((bfd_boolean (*) (bfd *, struct bfd_link_info *, asection *)) bfd_true) | |
37c644f2 AO |
6056 | #define elf_backend_finish_dynamic_symbol \ |
6057 | sh_elf_finish_dynamic_symbol | |
6058 | #define elf_backend_finish_dynamic_sections \ | |
6059 | sh_elf_finish_dynamic_sections | |
99e4ae17 | 6060 | #define elf_backend_reloc_type_class sh_elf_reloc_type_class |
1f1799d5 | 6061 | #define elf_backend_plt_sym_val sh_elf_plt_sym_val |
37c644f2 | 6062 | |
067653c5 AM |
6063 | #define elf_backend_can_gc_sections 1 |
6064 | #define elf_backend_can_refcount 1 | |
37c644f2 AO |
6065 | #define elf_backend_want_got_plt 1 |
6066 | #define elf_backend_plt_readonly 1 | |
6067 | #define elf_backend_want_plt_sym 0 | |
6068 | #define elf_backend_got_header_size 12 | |
ed71e111 | 6069 | |
85fbca6a | 6070 | #if !defined INCLUDE_SHMEDIA && !defined SH_TARGET_ALREADY_DEFINED |
2bc3c89a | 6071 | |
252b5132 | 6072 | #include "elf32-target.h" |
ed71e111 | 6073 | |
2bc3c89a AM |
6074 | /* NetBSD support. */ |
6075 | #undef TARGET_BIG_SYM | |
6076 | #define TARGET_BIG_SYM bfd_elf32_shnbsd_vec | |
6077 | #undef TARGET_BIG_NAME | |
6078 | #define TARGET_BIG_NAME "elf32-sh-nbsd" | |
6079 | #undef TARGET_LITTLE_SYM | |
6080 | #define TARGET_LITTLE_SYM bfd_elf32_shlnbsd_vec | |
6081 | #undef TARGET_LITTLE_NAME | |
6082 | #define TARGET_LITTLE_NAME "elf32-shl-nbsd" | |
6083 | #undef ELF_MAXPAGESIZE | |
6084 | #define ELF_MAXPAGESIZE 0x10000 | |
24718e3b | 6085 | #undef ELF_COMMONPAGESIZE |
2bc3c89a AM |
6086 | #undef elf_symbol_leading_char |
6087 | #define elf_symbol_leading_char 0 | |
571fe01f | 6088 | #undef elf32_bed |
2bc3c89a AM |
6089 | #define elf32_bed elf32_sh_nbsd_bed |
6090 | ||
6091 | #include "elf32-target.h" | |
6092 | ||
2bc3c89a AM |
6093 | |
6094 | /* Linux support. */ | |
6095 | #undef TARGET_BIG_SYM | |
6096 | #define TARGET_BIG_SYM bfd_elf32_shblin_vec | |
6097 | #undef TARGET_BIG_NAME | |
6098 | #define TARGET_BIG_NAME "elf32-shbig-linux" | |
6099 | #undef TARGET_LITTLE_SYM | |
6100 | #define TARGET_LITTLE_SYM bfd_elf32_shlin_vec | |
6101 | #undef TARGET_LITTLE_NAME | |
6102 | #define TARGET_LITTLE_NAME "elf32-sh-linux" | |
24718e3b L |
6103 | #undef ELF_COMMONPAGESIZE |
6104 | #define ELF_COMMONPAGESIZE 0x1000 | |
2bc3c89a AM |
6105 | |
6106 | #undef elf_backend_grok_prstatus | |
6107 | #define elf_backend_grok_prstatus elf32_shlin_grok_prstatus | |
6108 | #undef elf_backend_grok_psinfo | |
6109 | #define elf_backend_grok_psinfo elf32_shlin_grok_psinfo | |
571fe01f | 6110 | #undef elf32_bed |
2bc3c89a AM |
6111 | #define elf32_bed elf32_sh_lin_bed |
6112 | ||
6113 | #include "elf32-target.h" | |
6114 | ||
55e6e397 RS |
6115 | #undef TARGET_BIG_SYM |
6116 | #define TARGET_BIG_SYM bfd_elf32_shvxworks_vec | |
6117 | #undef TARGET_BIG_NAME | |
6118 | #define TARGET_BIG_NAME "elf32-sh-vxworks" | |
6119 | #undef TARGET_LITTLE_SYM | |
6120 | #define TARGET_LITTLE_SYM bfd_elf32_shlvxworks_vec | |
6121 | #undef TARGET_LITTLE_NAME | |
6122 | #define TARGET_LITTLE_NAME "elf32-shl-vxworks" | |
6123 | #undef elf32_bed | |
6124 | #define elf32_bed elf32_sh_vxworks_bed | |
6125 | ||
6126 | #undef elf_backend_want_plt_sym | |
6127 | #define elf_backend_want_plt_sym 1 | |
6128 | #undef elf_symbol_leading_char | |
6129 | #define elf_symbol_leading_char '_' | |
6130 | #define elf_backend_want_got_underscore 1 | |
6131 | #undef elf_backend_grok_prstatus | |
6132 | #undef elf_backend_grok_psinfo | |
6133 | #undef elf_backend_add_symbol_hook | |
6134 | #define elf_backend_add_symbol_hook elf_vxworks_add_symbol_hook | |
6135 | #undef elf_backend_link_output_symbol_hook | |
6136 | #define elf_backend_link_output_symbol_hook \ | |
6137 | elf_vxworks_link_output_symbol_hook | |
6138 | #undef elf_backend_emit_relocs | |
6139 | #define elf_backend_emit_relocs elf_vxworks_emit_relocs | |
6140 | #undef elf_backend_final_write_processing | |
6141 | #define elf_backend_final_write_processing \ | |
6142 | elf_vxworks_final_write_processing | |
6143 | #undef ELF_MAXPAGESIZE | |
6144 | #define ELF_MAXPAGESIZE 0x1000 | |
6145 | #undef ELF_COMMONPAGESIZE | |
6146 | ||
6147 | #include "elf32-target.h" | |
6148 | ||
85fbca6a | 6149 | #endif /* neither INCLUDE_SHMEDIA nor SH_TARGET_ALREADY_DEFINED */ |