Commit | Line | Data |
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e01b0e69 | 1 | /* Generic support for 32-bit ELF |
73ff0d56 AM |
2 | Copyright 1993, 1995, 1998, 1999, 2001, 2002 |
3 | Free Software Foundation, Inc. | |
e01b0e69 | 4 | |
e514ac71 | 5 | This file is part of BFD, the Binary File Descriptor library. |
e01b0e69 | 6 | |
e514ac71 NC |
7 | This program is free software; you can redistribute it and/or modify |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2 of the License, or | |
10 | (at your option) any later version. | |
e01b0e69 | 11 | |
e514ac71 NC |
12 | This program is distributed in the hope that it will be useful, |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
e01b0e69 | 16 | |
e514ac71 NC |
17 | You should have received a copy of the GNU General Public License |
18 | along with this program; if not, write to the Free Software | |
19 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
e01b0e69 JR |
20 | |
21 | #include "bfd.h" | |
22 | #include "sysdep.h" | |
23 | #include "libbfd.h" | |
24 | #include "elf-bfd.h" | |
25 | #include "elf/h8.h" | |
26 | ||
27 | static reloc_howto_type *elf32_h8_reloc_type_lookup | |
28 | PARAMS ((bfd *abfd, bfd_reloc_code_real_type code)); | |
29 | static void elf32_h8_info_to_howto | |
30 | PARAMS ((bfd *, arelent *, Elf_Internal_Rela *)); | |
5e47149d | 31 | static void elf32_h8_info_to_howto_rel |
947216bf | 32 | PARAMS ((bfd *, arelent *, Elf_Internal_Rela *)); |
dc810e39 | 33 | static unsigned long elf32_h8_mach |
5e47149d | 34 | PARAMS ((flagword)); |
dc810e39 | 35 | static void elf32_h8_final_write_processing |
b34976b6 AM |
36 | PARAMS ((bfd *, bfd_boolean)); |
37 | static bfd_boolean elf32_h8_object_p | |
dc810e39 | 38 | PARAMS ((bfd *)); |
b34976b6 | 39 | static bfd_boolean elf32_h8_merge_private_bfd_data |
dc810e39 | 40 | PARAMS ((bfd *, bfd *)); |
b34976b6 AM |
41 | static bfd_boolean elf32_h8_relax_section |
42 | PARAMS ((bfd *, asection *, struct bfd_link_info *, bfd_boolean *)); | |
43 | static bfd_boolean elf32_h8_relax_delete_bytes | |
dc810e39 | 44 | PARAMS ((bfd *, asection *, bfd_vma, int)); |
b34976b6 | 45 | static bfd_boolean elf32_h8_symbol_address_p |
9ad5cbcf | 46 | PARAMS ((bfd *, asection *, bfd_vma)); |
dc810e39 AM |
47 | static bfd_byte *elf32_h8_get_relocated_section_contents |
48 | PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_order *, | |
b34976b6 | 49 | bfd_byte *, bfd_boolean, asymbol **)); |
5e47149d JL |
50 | static bfd_reloc_status_type elf32_h8_final_link_relocate |
51 | PARAMS ((unsigned long, bfd *, bfd *, asection *, | |
52 | bfd_byte *, bfd_vma, bfd_vma, bfd_vma, | |
53 | struct bfd_link_info *, asection *, int)); | |
b34976b6 | 54 | static bfd_boolean elf32_h8_relocate_section |
5e47149d JL |
55 | PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, |
56 | bfd_byte *, Elf_Internal_Rela *, | |
57 | Elf_Internal_Sym *, asection **)); | |
dc810e39 | 58 | static bfd_reloc_status_type special |
a00c9dbc | 59 | PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); |
e01b0e69 JR |
60 | |
61 | /* This does not include any relocation information, but should be | |
62 | good enough for GDB or objdump to read the file. */ | |
63 | ||
bc7eab72 | 64 | static reloc_howto_type h8_elf_howto_table[] = { |
e01b0e69 JR |
65 | #define R_H8_NONE_X 0 |
66 | HOWTO (R_H8_NONE, /* type */ | |
67 | 0, /* rightshift */ | |
68 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
69 | 0, /* bitsize */ | |
b34976b6 | 70 | FALSE, /* pc_relative */ |
e01b0e69 JR |
71 | 0, /* bitpos */ |
72 | complain_overflow_dont, /* complain_on_overflow */ | |
a00c9dbc | 73 | special, /* special_function */ |
e01b0e69 | 74 | "R_H8_NONE", /* name */ |
b34976b6 | 75 | FALSE, /* partial_inplace */ |
e01b0e69 JR |
76 | 0, /* src_mask */ |
77 | 0, /* dst_mask */ | |
b34976b6 | 78 | FALSE), /* pcrel_offset */ |
e01b0e69 JR |
79 | #define R_H8_DIR32_X (R_H8_NONE_X + 1) |
80 | HOWTO (R_H8_DIR32, /* type */ | |
81 | 0, /* rightshift */ | |
82 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
83 | 32, /* bitsize */ | |
b34976b6 | 84 | FALSE, /* pc_relative */ |
e01b0e69 JR |
85 | 0, /* bitpos */ |
86 | complain_overflow_dont, /* complain_on_overflow */ | |
a00c9dbc | 87 | special, /* special_function */ |
e01b0e69 | 88 | "R_H8_DIR32", /* name */ |
b34976b6 | 89 | FALSE, /* partial_inplace */ |
e01b0e69 JR |
90 | 0, /* src_mask */ |
91 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 92 | FALSE), /* pcrel_offset */ |
e01b0e69 JR |
93 | #define R_H8_DIR16_X (R_H8_DIR32_X + 1) |
94 | HOWTO (R_H8_DIR16, /* type */ | |
95 | 0, /* rightshift */ | |
96 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
97 | 16, /* bitsize */ | |
b34976b6 | 98 | FALSE, /* pc_relative */ |
e01b0e69 JR |
99 | 0, /* bitpos */ |
100 | complain_overflow_dont, /* complain_on_overflow */ | |
a00c9dbc | 101 | special, /* special_function */ |
e01b0e69 | 102 | "R_H8_DIR16", /* name */ |
b34976b6 | 103 | FALSE, /* partial_inplace */ |
e01b0e69 JR |
104 | 0, /* src_mask */ |
105 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 106 | FALSE), /* pcrel_offset */ |
e01b0e69 JR |
107 | #define R_H8_DIR8_X (R_H8_DIR16_X + 1) |
108 | HOWTO (R_H8_DIR8, /* type */ | |
109 | 0, /* rightshift */ | |
110 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
111 | 8, /* bitsize */ | |
b34976b6 | 112 | FALSE, /* pc_relative */ |
e01b0e69 JR |
113 | 0, /* bitpos */ |
114 | complain_overflow_dont, /* complain_on_overflow */ | |
a00c9dbc | 115 | special, /* special_function */ |
e01b0e69 | 116 | "R_H8_DIR16", /* name */ |
b34976b6 | 117 | FALSE, /* partial_inplace */ |
e01b0e69 JR |
118 | 0, /* src_mask */ |
119 | 0x000000ff, /* dst_mask */ | |
b34976b6 | 120 | FALSE), /* pcrel_offset */ |
e01b0e69 JR |
121 | #define R_H8_DIR16A8_X (R_H8_DIR8_X + 1) |
122 | HOWTO (R_H8_DIR16A8, /* type */ | |
123 | 0, /* rightshift */ | |
124 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
125 | 16, /* bitsize */ | |
b34976b6 | 126 | FALSE, /* pc_relative */ |
e01b0e69 JR |
127 | 0, /* bitpos */ |
128 | complain_overflow_bitfield, /* complain_on_overflow */ | |
a00c9dbc | 129 | special, /* special_function */ |
e01b0e69 | 130 | "R_H8_DIR16A8", /* name */ |
b34976b6 | 131 | FALSE, /* partial_inplace */ |
e01b0e69 JR |
132 | 0, /* src_mask */ |
133 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 134 | FALSE), /* pcrel_offset */ |
e01b0e69 JR |
135 | #define R_H8_DIR16R8_X (R_H8_DIR16A8_X + 1) |
136 | HOWTO (R_H8_DIR16R8, /* type */ | |
137 | 0, /* rightshift */ | |
138 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
139 | 16, /* bitsize */ | |
b34976b6 | 140 | FALSE, /* pc_relative */ |
e01b0e69 JR |
141 | 0, /* bitpos */ |
142 | complain_overflow_bitfield, /* complain_on_overflow */ | |
a00c9dbc | 143 | special, /* special_function */ |
e01b0e69 | 144 | "R_H8_DIR16R8", /* name */ |
b34976b6 | 145 | FALSE, /* partial_inplace */ |
e01b0e69 JR |
146 | 0, /* src_mask */ |
147 | 0x0000ffff, /* dst_mask */ | |
b34976b6 | 148 | FALSE), /* pcrel_offset */ |
e01b0e69 JR |
149 | #define R_H8_DIR24A8_X (R_H8_DIR16R8_X + 1) |
150 | HOWTO (R_H8_DIR24A8, /* type */ | |
151 | 0, /* rightshift */ | |
152 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
153 | 24, /* bitsize */ | |
b34976b6 | 154 | FALSE, /* pc_relative */ |
e01b0e69 JR |
155 | 0, /* bitpos */ |
156 | complain_overflow_bitfield, /* complain_on_overflow */ | |
a00c9dbc | 157 | special, /* special_function */ |
e01b0e69 | 158 | "R_H8_DIR24A8", /* name */ |
b34976b6 | 159 | TRUE, /* partial_inplace */ |
e01b0e69 JR |
160 | 0xff000000, /* src_mask */ |
161 | 0x00ffffff, /* dst_mask */ | |
b34976b6 | 162 | FALSE), /* pcrel_offset */ |
e01b0e69 JR |
163 | #define R_H8_DIR24R8_X (R_H8_DIR24A8_X + 1) |
164 | HOWTO (R_H8_DIR24R8, /* type */ | |
165 | 0, /* rightshift */ | |
166 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
167 | 24, /* bitsize */ | |
b34976b6 | 168 | FALSE, /* pc_relative */ |
e01b0e69 JR |
169 | 0, /* bitpos */ |
170 | complain_overflow_bitfield, /* complain_on_overflow */ | |
a00c9dbc | 171 | special, /* special_function */ |
e01b0e69 | 172 | "R_H8_DIR24R8", /* name */ |
b34976b6 | 173 | TRUE, /* partial_inplace */ |
e01b0e69 JR |
174 | 0xff000000, /* src_mask */ |
175 | 0x00ffffff, /* dst_mask */ | |
b34976b6 | 176 | FALSE), /* pcrel_offset */ |
e01b0e69 JR |
177 | #define R_H8_DIR32A16_X (R_H8_DIR24R8_X + 1) |
178 | HOWTO (R_H8_DIR32A16, /* type */ | |
179 | 0, /* rightshift */ | |
180 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
181 | 32, /* bitsize */ | |
b34976b6 | 182 | FALSE, /* pc_relative */ |
e01b0e69 JR |
183 | 0, /* bitpos */ |
184 | complain_overflow_dont, /* complain_on_overflow */ | |
a00c9dbc | 185 | special, /* special_function */ |
e01b0e69 | 186 | "R_H8_DIR32", /* name */ |
b34976b6 | 187 | FALSE, /* partial_inplace */ |
e01b0e69 JR |
188 | 0, /* src_mask */ |
189 | 0xffffffff, /* dst_mask */ | |
b34976b6 | 190 | FALSE), /* pcrel_offset */ |
f2352488 JL |
191 | #define R_H8_PCREL16_X (R_H8_DIR32A16_X + 1) |
192 | HOWTO (R_H8_PCREL16, /* type */ | |
193 | 0, /* rightshift */ | |
194 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
195 | 16, /* bitsize */ | |
b34976b6 | 196 | TRUE, /* pc_relative */ |
f2352488 JL |
197 | 0, /* bitpos */ |
198 | complain_overflow_signed, /* complain_on_overflow */ | |
a00c9dbc | 199 | special, /* special_function */ |
f2352488 | 200 | "R_H8_PCREL16", /* name */ |
b34976b6 | 201 | FALSE, /* partial_inplace */ |
f2352488 JL |
202 | 0xffff, /* src_mask */ |
203 | 0xffff, /* dst_mask */ | |
b34976b6 | 204 | TRUE), /* pcrel_offset */ |
f2352488 JL |
205 | #define R_H8_PCREL8_X (R_H8_PCREL16_X + 1) |
206 | HOWTO (R_H8_PCREL8, /* type */ | |
207 | 0, /* rightshift */ | |
208 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
209 | 8, /* bitsize */ | |
b34976b6 | 210 | TRUE, /* pc_relative */ |
f2352488 JL |
211 | 0, /* bitpos */ |
212 | complain_overflow_signed, /* complain_on_overflow */ | |
a00c9dbc | 213 | special, /* special_function */ |
f2352488 | 214 | "R_H8_PCREL8", /* name */ |
b34976b6 | 215 | FALSE, /* partial_inplace */ |
f2352488 JL |
216 | 0xff, /* src_mask */ |
217 | 0xff, /* dst_mask */ | |
b34976b6 | 218 | TRUE), /* pcrel_offset */ |
e01b0e69 JR |
219 | }; |
220 | ||
221 | /* This structure is used to map BFD reloc codes to H8 ELF relocs. */ | |
222 | ||
bc7eab72 | 223 | struct elf_reloc_map { |
e01b0e69 JR |
224 | bfd_reloc_code_real_type bfd_reloc_val; |
225 | unsigned char howto_index; | |
226 | }; | |
227 | ||
228 | /* An array mapping BFD reloc codes to SH ELF relocs. */ | |
229 | ||
bc7eab72 | 230 | static const struct elf_reloc_map h8_reloc_map[] = { |
e01b0e69 JR |
231 | { BFD_RELOC_NONE, R_H8_NONE_X }, |
232 | { BFD_RELOC_32, R_H8_DIR32_X }, | |
233 | { BFD_RELOC_16, R_H8_DIR16_X }, | |
234 | { BFD_RELOC_8, R_H8_DIR8_X }, | |
235 | { BFD_RELOC_H8_DIR16A8, R_H8_DIR16A8_X }, | |
236 | { BFD_RELOC_H8_DIR16R8, R_H8_DIR16R8_X }, | |
237 | { BFD_RELOC_H8_DIR24A8, R_H8_DIR24A8_X }, | |
238 | { BFD_RELOC_H8_DIR24R8, R_H8_DIR24R8_X }, | |
239 | { BFD_RELOC_H8_DIR32A16, R_H8_DIR32A16_X }, | |
f2352488 JL |
240 | { BFD_RELOC_16_PCREL, R_H8_PCREL16_X }, |
241 | { BFD_RELOC_8_PCREL, R_H8_PCREL8_X }, | |
e01b0e69 JR |
242 | }; |
243 | ||
0a83638b | 244 | |
e01b0e69 JR |
245 | static reloc_howto_type * |
246 | elf32_h8_reloc_type_lookup (abfd, code) | |
247 | bfd *abfd ATTRIBUTE_UNUSED; | |
248 | bfd_reloc_code_real_type code; | |
249 | { | |
250 | unsigned int i; | |
251 | ||
252 | for (i = 0; i < sizeof (h8_reloc_map) / sizeof (struct elf_reloc_map); i++) | |
253 | { | |
254 | if (h8_reloc_map[i].bfd_reloc_val == code) | |
255 | return &h8_elf_howto_table[(int) h8_reloc_map[i].howto_index]; | |
256 | } | |
257 | return NULL; | |
258 | } | |
259 | ||
260 | static void | |
261 | elf32_h8_info_to_howto (abfd, bfd_reloc, elf_reloc) | |
262 | bfd *abfd ATTRIBUTE_UNUSED; | |
263 | arelent *bfd_reloc; | |
947216bf | 264 | Elf_Internal_Rela *elf_reloc; |
e01b0e69 JR |
265 | { |
266 | unsigned int r; | |
267 | unsigned int i; | |
268 | ||
269 | r = ELF32_R_TYPE (elf_reloc->r_info); | |
270 | for (i = 0; i < sizeof (h8_elf_howto_table) / sizeof (reloc_howto_type); i++) | |
bc7eab72 | 271 | if (h8_elf_howto_table[i].type == r) |
e01b0e69 JR |
272 | { |
273 | bfd_reloc->howto = &h8_elf_howto_table[i]; | |
274 | return; | |
275 | } | |
276 | abort (); | |
277 | } | |
278 | ||
279 | static void | |
280 | elf32_h8_info_to_howto_rel (abfd, bfd_reloc, elf_reloc) | |
281 | bfd *abfd ATTRIBUTE_UNUSED; | |
282 | arelent *bfd_reloc; | |
947216bf | 283 | Elf_Internal_Rela *elf_reloc ATTRIBUTE_UNUSED; |
e01b0e69 JR |
284 | { |
285 | unsigned int r; | |
286 | ||
287 | abort (); | |
288 | r = ELF32_R_TYPE (elf_reloc->r_info); | |
289 | bfd_reloc->howto = &h8_elf_howto_table[r]; | |
290 | } | |
291 | ||
a00c9dbc JL |
292 | /* Special handling for H8/300 relocs. |
293 | We only come here for pcrel stuff and return normally if not an -r link. | |
294 | When doing -r, we can't do any arithmetic for the pcrel stuff, because | |
295 | we support relaxing on the H8/300 series chips. */ | |
296 | static bfd_reloc_status_type | |
297 | special (abfd, reloc_entry, symbol, data, input_section, output_bfd, | |
298 | error_message) | |
299 | bfd *abfd ATTRIBUTE_UNUSED; | |
300 | arelent *reloc_entry ATTRIBUTE_UNUSED; | |
301 | asymbol *symbol ATTRIBUTE_UNUSED; | |
302 | PTR data ATTRIBUTE_UNUSED; | |
303 | asection *input_section ATTRIBUTE_UNUSED; | |
304 | bfd *output_bfd; | |
305 | char **error_message ATTRIBUTE_UNUSED; | |
306 | { | |
307 | if (output_bfd == (bfd *) NULL) | |
308 | return bfd_reloc_continue; | |
309 | ||
310 | /* Adjust the reloc address to that in the output section. */ | |
311 | reloc_entry->address += input_section->output_offset; | |
312 | return bfd_reloc_ok; | |
313 | } | |
5e47149d JL |
314 | |
315 | /* Perform a relocation as part of a final link. */ | |
316 | static bfd_reloc_status_type | |
317 | elf32_h8_final_link_relocate (r_type, input_bfd, output_bfd, | |
318 | input_section, contents, offset, value, | |
319 | addend, info, sym_sec, is_local) | |
320 | unsigned long r_type; | |
321 | bfd *input_bfd; | |
322 | bfd *output_bfd ATTRIBUTE_UNUSED; | |
323 | asection *input_section ATTRIBUTE_UNUSED; | |
324 | bfd_byte *contents; | |
325 | bfd_vma offset; | |
326 | bfd_vma value; | |
327 | bfd_vma addend; | |
328 | struct bfd_link_info *info ATTRIBUTE_UNUSED; | |
329 | asection *sym_sec ATTRIBUTE_UNUSED; | |
330 | int is_local ATTRIBUTE_UNUSED; | |
331 | { | |
332 | bfd_byte *hit_data = contents + offset; | |
333 | ||
334 | switch (r_type) | |
335 | { | |
336 | ||
337 | case R_H8_NONE: | |
338 | return bfd_reloc_ok; | |
339 | ||
340 | case R_H8_DIR32: | |
341 | case R_H8_DIR32A16: | |
a00c9dbc | 342 | case R_H8_DIR24A8: |
5e47149d JL |
343 | value += addend; |
344 | bfd_put_32 (input_bfd, value, hit_data); | |
345 | return bfd_reloc_ok; | |
346 | ||
347 | case R_H8_DIR16: | |
348 | case R_H8_DIR16A8: | |
349 | case R_H8_DIR16R8: | |
350 | value += addend; | |
351 | bfd_put_16 (input_bfd, value, hit_data); | |
352 | return bfd_reloc_ok; | |
353 | ||
354 | /* AKA R_RELBYTE */ | |
355 | case R_H8_DIR8: | |
356 | value += addend; | |
357 | ||
5e47149d JL |
358 | bfd_put_8 (input_bfd, value, hit_data); |
359 | return bfd_reloc_ok; | |
360 | ||
5e47149d JL |
361 | case R_H8_DIR24R8: |
362 | value += addend; | |
363 | ||
a00c9dbc JL |
364 | /* HIT_DATA is the address for the first byte for the relocated |
365 | value. Subtract 1 so that we can manipulate the data in 32bit | |
366 | hunks. */ | |
367 | hit_data--; | |
368 | ||
369 | /* Clear out the top byte in value. */ | |
5e47149d | 370 | value &= 0xffffff; |
a00c9dbc JL |
371 | |
372 | /* Retrieve the type byte for value from the section contents. */ | |
5e47149d | 373 | value |= (bfd_get_32 (input_bfd, hit_data) & 0xff000000); |
a00c9dbc JL |
374 | |
375 | /* Now scribble it out in one 32bit hunk. */ | |
5e47149d JL |
376 | bfd_put_32 (input_bfd, value, hit_data); |
377 | return bfd_reloc_ok; | |
378 | ||
f2352488 JL |
379 | case R_H8_PCREL16: |
380 | value -= (input_section->output_section->vma | |
381 | + input_section->output_offset); | |
382 | value -= offset; | |
383 | value += addend; | |
384 | ||
a00c9dbc JL |
385 | /* The value is relative to the start of the instruction, |
386 | not the relocation offset. Subtract 2 to account for | |
387 | this minor issue. */ | |
388 | value -= 2; | |
389 | ||
f2352488 JL |
390 | bfd_put_16 (input_bfd, value, hit_data); |
391 | return bfd_reloc_ok; | |
392 | ||
393 | case R_H8_PCREL8: | |
394 | value -= (input_section->output_section->vma | |
395 | + input_section->output_offset); | |
396 | value -= offset; | |
397 | value += addend; | |
398 | ||
a00c9dbc JL |
399 | /* The value is relative to the start of the instruction, |
400 | not the relocation offset. Subtract 1 to account for | |
401 | this minor issue. */ | |
402 | value -= 1; | |
403 | ||
f2352488 JL |
404 | bfd_put_8 (input_bfd, value, hit_data); |
405 | return bfd_reloc_ok; | |
406 | ||
5e47149d JL |
407 | default: |
408 | return bfd_reloc_notsupported; | |
409 | } | |
410 | } | |
411 | \f | |
412 | /* Relocate an H8 ELF section. */ | |
b34976b6 | 413 | static bfd_boolean |
5e47149d JL |
414 | elf32_h8_relocate_section (output_bfd, info, input_bfd, input_section, |
415 | contents, relocs, local_syms, local_sections) | |
416 | bfd *output_bfd; | |
417 | struct bfd_link_info *info; | |
418 | bfd *input_bfd; | |
419 | asection *input_section; | |
420 | bfd_byte *contents; | |
421 | Elf_Internal_Rela *relocs; | |
422 | Elf_Internal_Sym *local_syms; | |
423 | asection **local_sections; | |
424 | { | |
425 | Elf_Internal_Shdr *symtab_hdr; | |
426 | struct elf_link_hash_entry **sym_hashes; | |
427 | Elf_Internal_Rela *rel, *relend; | |
428 | ||
f0fe0e16 | 429 | if (info->relocateable) |
b34976b6 | 430 | return TRUE; |
f0fe0e16 | 431 | |
5e47149d JL |
432 | symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr; |
433 | sym_hashes = elf_sym_hashes (input_bfd); | |
434 | ||
435 | rel = relocs; | |
436 | relend = relocs + input_section->reloc_count; | |
437 | for (; rel < relend; rel++) | |
438 | { | |
dc810e39 | 439 | unsigned int r_type; |
5e47149d JL |
440 | unsigned long r_symndx; |
441 | Elf_Internal_Sym *sym; | |
442 | asection *sec; | |
443 | struct elf_link_hash_entry *h; | |
444 | bfd_vma relocation; | |
445 | bfd_reloc_status_type r; | |
446 | ||
f0fe0e16 | 447 | /* This is a final link. */ |
5e47149d JL |
448 | r_symndx = ELF32_R_SYM (rel->r_info); |
449 | r_type = ELF32_R_TYPE (rel->r_info); | |
5e47149d JL |
450 | h = NULL; |
451 | sym = NULL; | |
452 | sec = NULL; | |
453 | if (r_symndx < symtab_hdr->sh_info) | |
454 | { | |
455 | sym = local_syms + r_symndx; | |
456 | sec = local_sections[r_symndx]; | |
f8df10f4 | 457 | relocation = _bfd_elf_rela_local_sym (output_bfd, sym, sec, rel); |
5e47149d JL |
458 | } |
459 | else | |
460 | { | |
461 | h = sym_hashes[r_symndx - symtab_hdr->sh_info]; | |
462 | while (h->root.type == bfd_link_hash_indirect | |
463 | || h->root.type == bfd_link_hash_warning) | |
464 | h = (struct elf_link_hash_entry *) h->root.u.i.link; | |
465 | if (h->root.type == bfd_link_hash_defined | |
466 | || h->root.type == bfd_link_hash_defweak) | |
467 | { | |
468 | sec = h->root.u.def.section; | |
469 | relocation = (h->root.u.def.value | |
470 | + sec->output_section->vma | |
471 | + sec->output_offset); | |
472 | } | |
473 | else if (h->root.type == bfd_link_hash_undefweak) | |
474 | relocation = 0; | |
475 | else | |
476 | { | |
477 | if (! ((*info->callbacks->undefined_symbol) | |
478 | (info, h->root.root.string, input_bfd, | |
b34976b6 AM |
479 | input_section, rel->r_offset, TRUE))) |
480 | return FALSE; | |
5e47149d JL |
481 | relocation = 0; |
482 | } | |
483 | } | |
484 | ||
485 | r = elf32_h8_final_link_relocate (r_type, input_bfd, output_bfd, | |
486 | input_section, | |
487 | contents, rel->r_offset, | |
488 | relocation, rel->r_addend, | |
489 | info, sec, h == NULL); | |
490 | ||
491 | if (r != bfd_reloc_ok) | |
492 | { | |
493 | const char *name; | |
494 | const char *msg = (const char *) 0; | |
495 | arelent bfd_reloc; | |
496 | reloc_howto_type *howto; | |
497 | ||
498 | elf32_h8_info_to_howto (input_bfd, &bfd_reloc, rel); | |
499 | howto = bfd_reloc.howto; | |
dc810e39 | 500 | |
5e47149d JL |
501 | if (h != NULL) |
502 | name = h->root.root.string; | |
503 | else | |
504 | { | |
505 | name = (bfd_elf_string_from_elf_section | |
506 | (input_bfd, symtab_hdr->sh_link, sym->st_name)); | |
507 | if (name == NULL || *name == '\0') | |
508 | name = bfd_section_name (input_bfd, sec); | |
509 | } | |
510 | ||
511 | switch (r) | |
512 | { | |
513 | case bfd_reloc_overflow: | |
514 | if (! ((*info->callbacks->reloc_overflow) | |
515 | (info, name, howto->name, (bfd_vma) 0, | |
516 | input_bfd, input_section, rel->r_offset))) | |
b34976b6 | 517 | return FALSE; |
5e47149d JL |
518 | break; |
519 | ||
520 | case bfd_reloc_undefined: | |
521 | if (! ((*info->callbacks->undefined_symbol) | |
522 | (info, name, input_bfd, input_section, | |
b34976b6 AM |
523 | rel->r_offset, TRUE))) |
524 | return FALSE; | |
5e47149d JL |
525 | break; |
526 | ||
527 | case bfd_reloc_outofrange: | |
528 | msg = _("internal error: out of range error"); | |
529 | goto common_error; | |
530 | ||
531 | case bfd_reloc_notsupported: | |
532 | msg = _("internal error: unsupported relocation error"); | |
533 | goto common_error; | |
534 | ||
535 | case bfd_reloc_dangerous: | |
536 | msg = _("internal error: dangerous error"); | |
537 | goto common_error; | |
538 | ||
539 | default: | |
540 | msg = _("internal error: unknown error"); | |
541 | /* fall through */ | |
542 | ||
543 | common_error: | |
544 | if (!((*info->callbacks->warning) | |
545 | (info, msg, name, input_bfd, input_section, | |
546 | rel->r_offset))) | |
b34976b6 | 547 | return FALSE; |
5e47149d JL |
548 | break; |
549 | } | |
550 | } | |
551 | } | |
552 | ||
b34976b6 | 553 | return TRUE; |
5e47149d JL |
554 | } |
555 | ||
0a83638b JL |
556 | /* Object files encode the specific H8 model they were compiled |
557 | for in the ELF flags field. | |
558 | ||
559 | Examine that field and return the proper BFD machine type for | |
560 | the object file. */ | |
dc810e39 | 561 | static unsigned long |
0a83638b JL |
562 | elf32_h8_mach (flags) |
563 | flagword flags; | |
564 | { | |
565 | switch (flags & EF_H8_MACH) | |
566 | { | |
567 | case E_H8_MACH_H8300: | |
568 | default: | |
569 | return bfd_mach_h8300; | |
570 | ||
571 | case E_H8_MACH_H8300H: | |
572 | return bfd_mach_h8300h; | |
573 | ||
574 | case E_H8_MACH_H8300S: | |
575 | return bfd_mach_h8300s; | |
576 | } | |
577 | } | |
578 | ||
579 | /* The final processing done just before writing out a H8 ELF object | |
580 | file. We use this opportunity to encode the BFD machine type | |
581 | into the flags field in the object file. */ | |
582 | ||
dc810e39 | 583 | static void |
0a83638b JL |
584 | elf32_h8_final_write_processing (abfd, linker) |
585 | bfd *abfd; | |
b34976b6 | 586 | bfd_boolean linker ATTRIBUTE_UNUSED; |
0a83638b JL |
587 | { |
588 | unsigned long val; | |
589 | ||
590 | switch (bfd_get_mach (abfd)) | |
591 | { | |
592 | default: | |
593 | case bfd_mach_h8300: | |
594 | val = E_H8_MACH_H8300; | |
595 | break; | |
596 | ||
597 | case bfd_mach_h8300h: | |
598 | val = E_H8_MACH_H8300H; | |
599 | break; | |
600 | ||
601 | case bfd_mach_h8300s: | |
602 | val = E_H8_MACH_H8300S; | |
603 | break; | |
604 | } | |
605 | ||
606 | elf_elfheader (abfd)->e_flags &= ~ (EF_H8_MACH); | |
607 | elf_elfheader (abfd)->e_flags |= val; | |
608 | } | |
609 | ||
610 | /* Return nonzero if ABFD represents a valid H8 ELF object file; also | |
611 | record the encoded machine type found in the ELF flags. */ | |
612 | ||
b34976b6 | 613 | static bfd_boolean |
0a83638b JL |
614 | elf32_h8_object_p (abfd) |
615 | bfd *abfd; | |
616 | { | |
617 | bfd_default_set_arch_mach (abfd, bfd_arch_h8300, | |
618 | elf32_h8_mach (elf_elfheader (abfd)->e_flags)); | |
b34976b6 | 619 | return TRUE; |
0a83638b JL |
620 | } |
621 | ||
622 | /* Merge backend specific data from an object file to the output | |
623 | object file when linking. The only data we need to copy at this | |
624 | time is the architecture/machine information. */ | |
625 | ||
b34976b6 | 626 | static bfd_boolean |
0a83638b JL |
627 | elf32_h8_merge_private_bfd_data (ibfd, obfd) |
628 | bfd *ibfd; | |
629 | bfd *obfd; | |
630 | { | |
631 | if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour | |
632 | || bfd_get_flavour (obfd) != bfd_target_elf_flavour) | |
b34976b6 | 633 | return TRUE; |
0a83638b JL |
634 | |
635 | if (bfd_get_arch (obfd) == bfd_get_arch (ibfd) | |
636 | && bfd_get_mach (obfd) < bfd_get_mach (ibfd)) | |
637 | { | |
638 | if (! bfd_set_arch_mach (obfd, bfd_get_arch (ibfd), | |
639 | bfd_get_mach (ibfd))) | |
b34976b6 | 640 | return FALSE; |
0a83638b JL |
641 | } |
642 | ||
b34976b6 | 643 | return TRUE; |
0a83638b JL |
644 | } |
645 | ||
5907e628 JL |
646 | /* This function handles relaxing for the H8.. |
647 | ||
648 | There's a few relaxing opportunites available on the H8: | |
649 | ||
650 | jmp/jsr:24 -> bra/bsr:8 2 bytes | |
651 | The jmp may be completely eliminated if the previous insn is a | |
652 | conditional branch to the insn after the jump. In that case | |
653 | we invert the branch and delete the jump and save 4 bytes. | |
654 | ||
655 | bCC:16 -> bCC:8 2 bytes | |
656 | bsr:16 -> bsr:8 2 bytes | |
657 | ||
658 | mov.b:16 -> mov.b:8 2 bytes | |
659 | mov.b:24/32 -> mov.b:8 4 bytes | |
660 | ||
76f99c63 | 661 | mov.[bwl]:24/32 -> mov.[bwl]:16 2 bytes */ |
5907e628 | 662 | |
b34976b6 | 663 | static bfd_boolean |
5907e628 JL |
664 | elf32_h8_relax_section (abfd, sec, link_info, again) |
665 | bfd *abfd; | |
666 | asection *sec; | |
667 | struct bfd_link_info *link_info; | |
b34976b6 | 668 | bfd_boolean *again; |
5907e628 JL |
669 | { |
670 | Elf_Internal_Shdr *symtab_hdr; | |
671 | Elf_Internal_Rela *internal_relocs; | |
5907e628 JL |
672 | Elf_Internal_Rela *irel, *irelend; |
673 | bfd_byte *contents = NULL; | |
6cdc0ccc | 674 | Elf_Internal_Sym *isymbuf = NULL; |
5907e628 JL |
675 | static asection *last_input_section = NULL; |
676 | static Elf_Internal_Rela *last_reloc = NULL; | |
677 | ||
678 | /* Assume nothing changes. */ | |
b34976b6 | 679 | *again = FALSE; |
5907e628 JL |
680 | |
681 | /* We don't have to do anything for a relocateable link, if | |
682 | this section does not have relocs, or if this is not a | |
683 | code section. */ | |
684 | if (link_info->relocateable | |
685 | || (sec->flags & SEC_RELOC) == 0 | |
686 | || sec->reloc_count == 0 | |
687 | || (sec->flags & SEC_CODE) == 0) | |
b34976b6 | 688 | return TRUE; |
5907e628 JL |
689 | |
690 | /* If this is the first time we have been called for this section, | |
691 | initialize the cooked size. */ | |
692 | if (sec->_cooked_size == 0) | |
693 | sec->_cooked_size = sec->_raw_size; | |
694 | ||
695 | symtab_hdr = &elf_tdata (abfd)->symtab_hdr; | |
696 | ||
697 | /* Get a copy of the native relocations. */ | |
698 | internal_relocs = (_bfd_elf32_link_read_relocs | |
699 | (abfd, sec, (PTR) NULL, (Elf_Internal_Rela *) NULL, | |
700 | link_info->keep_memory)); | |
701 | if (internal_relocs == NULL) | |
702 | goto error_return; | |
5907e628 JL |
703 | |
704 | if (sec != last_input_section) | |
705 | last_reloc = NULL; | |
706 | ||
707 | last_input_section = sec; | |
708 | ||
709 | /* Walk through the relocs looking for relaxing opportunities. */ | |
710 | irelend = internal_relocs + sec->reloc_count; | |
711 | for (irel = internal_relocs; irel < irelend; irel++) | |
712 | { | |
713 | bfd_vma symval; | |
714 | ||
715 | /* Keep track of the previous reloc so that we can delete | |
716 | some long jumps created by the compiler. */ | |
717 | if (irel != internal_relocs) | |
718 | last_reloc = irel - 1; | |
719 | ||
76f99c63 JL |
720 | if (ELF32_R_TYPE (irel->r_info) != R_H8_DIR24R8 |
721 | && ELF32_R_TYPE (irel->r_info) != R_H8_PCREL16 | |
722 | && ELF32_R_TYPE (irel->r_info) != R_H8_DIR16A8 | |
723 | && ELF32_R_TYPE (irel->r_info) != R_H8_DIR24A8 | |
724 | && ELF32_R_TYPE (irel->r_info) != R_H8_DIR32A16) | |
725 | continue; | |
726 | ||
5907e628 JL |
727 | /* Get the section contents if we haven't done so already. */ |
728 | if (contents == NULL) | |
729 | { | |
730 | /* Get cached copy if it exists. */ | |
731 | if (elf_section_data (sec)->this_hdr.contents != NULL) | |
732 | contents = elf_section_data (sec)->this_hdr.contents; | |
733 | else | |
734 | { | |
735 | /* Go get them off disk. */ | |
736 | contents = (bfd_byte *) bfd_malloc (sec->_raw_size); | |
737 | if (contents == NULL) | |
738 | goto error_return; | |
5907e628 JL |
739 | |
740 | if (! bfd_get_section_contents (abfd, sec, contents, | |
741 | (file_ptr) 0, sec->_raw_size)) | |
742 | goto error_return; | |
743 | } | |
744 | } | |
745 | ||
9ad5cbcf | 746 | /* Read this BFD's local symbols if we haven't done so already. */ |
6cdc0ccc | 747 | if (isymbuf == NULL && symtab_hdr->sh_info != 0) |
5907e628 | 748 | { |
6cdc0ccc AM |
749 | isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents; |
750 | if (isymbuf == NULL) | |
751 | isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr, | |
752 | symtab_hdr->sh_info, 0, | |
753 | NULL, NULL, NULL); | |
754 | if (isymbuf == NULL) | |
755 | goto error_return; | |
5907e628 JL |
756 | } |
757 | ||
758 | /* Get the value of the symbol referred to by the reloc. */ | |
759 | if (ELF32_R_SYM (irel->r_info) < symtab_hdr->sh_info) | |
760 | { | |
5907e628 | 761 | /* A local symbol. */ |
6cdc0ccc AM |
762 | Elf_Internal_Sym *isym; |
763 | asection *sym_sec; | |
5907e628 | 764 | |
32ac2c9a | 765 | isym = isymbuf + ELF32_R_SYM (irel->r_info); |
6cdc0ccc AM |
766 | sym_sec = bfd_section_from_elf_index (abfd, isym->st_shndx); |
767 | symval = (isym->st_value | |
5907e628 JL |
768 | + sym_sec->output_section->vma |
769 | + sym_sec->output_offset); | |
770 | } | |
771 | else | |
772 | { | |
773 | unsigned long indx; | |
774 | struct elf_link_hash_entry *h; | |
775 | ||
776 | /* An external symbol. */ | |
777 | indx = ELF32_R_SYM (irel->r_info) - symtab_hdr->sh_info; | |
778 | h = elf_sym_hashes (abfd)[indx]; | |
779 | BFD_ASSERT (h != NULL); | |
780 | if (h->root.type != bfd_link_hash_defined | |
781 | && h->root.type != bfd_link_hash_defweak) | |
782 | { | |
783 | /* This appears to be a reference to an undefined | |
784 | symbol. Just ignore it--it will be caught by the | |
785 | regular reloc processing. */ | |
786 | continue; | |
787 | } | |
788 | ||
789 | symval = (h->root.u.def.value | |
790 | + h->root.u.def.section->output_section->vma | |
791 | + h->root.u.def.section->output_offset); | |
792 | } | |
793 | ||
794 | /* For simplicity of coding, we are going to modify the section | |
795 | contents, the section relocs, and the BFD symbol table. We | |
796 | must tell the rest of the code not to free up this | |
797 | information. It would be possible to instead create a table | |
798 | of changes which have to be made, as is done in coff-mips.c; | |
799 | that would be more work, but would require less memory when | |
800 | the linker is run. */ | |
801 | switch (ELF32_R_TYPE (irel->r_info)) | |
802 | { | |
803 | /* Try to turn a 24 bit absolute branch/call into an 8 bit | |
804 | pc-relative branch/call. */ | |
805 | case R_H8_DIR24R8: | |
806 | { | |
807 | bfd_vma value = symval + irel->r_addend; | |
808 | bfd_vma dot, gap; | |
809 | ||
810 | /* Get the address of this instruction. */ | |
811 | dot = (sec->output_section->vma | |
812 | + sec->output_offset + irel->r_offset - 1); | |
813 | ||
814 | /* Compute the distance from this insn to the branch target. */ | |
815 | gap = value - dot; | |
816 | ||
817 | /* If the distance is within -126..+130 inclusive, then we can | |
818 | relax this jump. +130 is valid since the target will move | |
819 | two bytes closer if we do relax this branch. */ | |
dc810e39 | 820 | if ((int) gap >= -126 && (int) gap <= 130) |
5907e628 JL |
821 | { |
822 | unsigned char code; | |
823 | ||
824 | /* Note that we've changed the relocs, section contents, | |
825 | etc. */ | |
826 | elf_section_data (sec)->relocs = internal_relocs; | |
5907e628 | 827 | elf_section_data (sec)->this_hdr.contents = contents; |
6cdc0ccc | 828 | symtab_hdr->contents = (unsigned char *) isymbuf; |
5907e628 | 829 | |
e514ac71 NC |
830 | /* Get the instruction code being relaxed. */ |
831 | code = bfd_get_8 (abfd, contents + irel->r_offset - 1); | |
832 | ||
5907e628 JL |
833 | /* If the previous instruction conditionally jumped around |
834 | this instruction, we may be able to reverse the condition | |
835 | and redirect the previous instruction to the target of | |
836 | this instruction. | |
837 | ||
838 | Such sequences are used by the compiler to deal with | |
e514ac71 NC |
839 | long conditional branches. |
840 | ||
841 | Only perform this optimisation for jumps (code 0x5a) not | |
842 | subroutine calls, as otherwise it could transform: | |
b34976b6 | 843 | |
e514ac71 NC |
844 | mov.w r0,r0 |
845 | beq .L1 | |
846 | jsr @_bar | |
847 | .L1: rts | |
848 | _bar: rts | |
849 | into: | |
850 | mov.w r0,r0 | |
851 | bne _bar | |
852 | rts | |
853 | _bar: rts | |
854 | ||
855 | which changes the call (jsr) into a branch (bne). */ | |
856 | if (code == 0x5a | |
857 | && (int) gap <= 130 | |
dc810e39 | 858 | && (int) gap >= -128 |
5907e628 JL |
859 | && last_reloc |
860 | && ELF32_R_TYPE (last_reloc->r_info) == R_H8_PCREL8 | |
861 | && ELF32_R_SYM (last_reloc->r_info) < symtab_hdr->sh_info) | |
862 | { | |
863 | bfd_vma last_value; | |
864 | asection *last_sym_sec; | |
6cdc0ccc | 865 | Elf_Internal_Sym *last_sym; |
5907e628 JL |
866 | |
867 | /* We will need to examine the symbol used by the | |
868 | previous relocation. */ | |
dc810e39 | 869 | |
6cdc0ccc | 870 | last_sym = isymbuf + ELF32_R_SYM (last_reloc->r_info); |
5907e628 | 871 | last_sym_sec |
6cdc0ccc AM |
872 | = bfd_section_from_elf_index (abfd, last_sym->st_shndx); |
873 | last_value = (last_sym->st_value | |
5907e628 JL |
874 | + last_sym_sec->output_section->vma |
875 | + last_sym_sec->output_offset); | |
876 | ||
877 | /* Verify that the previous relocation was for a | |
878 | branch around this instruction and that no symbol | |
879 | exists at the current location. */ | |
880 | if (last_value == dot + 4 | |
881 | && last_reloc->r_offset + 2 == irel->r_offset | |
9ad5cbcf | 882 | && ! elf32_h8_symbol_address_p (abfd, sec, dot)) |
5907e628 JL |
883 | { |
884 | /* We can eliminate this jump. Twiddle the | |
885 | previous relocation as necessary. */ | |
886 | irel->r_info | |
887 | = ELF32_R_INFO (ELF32_R_SYM (irel->r_info), | |
888 | ELF32_R_TYPE (R_H8_NONE)); | |
889 | ||
bc7eab72 | 890 | last_reloc->r_info |
5907e628 | 891 | = ELF32_R_INFO (ELF32_R_SYM (irel->r_info), |
bc7eab72 KH |
892 | ELF32_R_TYPE (R_H8_PCREL8)); |
893 | last_reloc->r_addend = irel->r_addend; | |
5907e628 JL |
894 | |
895 | code = bfd_get_8 (abfd, | |
896 | contents + last_reloc->r_offset - 1); | |
897 | code ^= 1; | |
898 | bfd_put_8 (abfd, | |
899 | code, | |
900 | contents + last_reloc->r_offset - 1); | |
901 | ||
902 | /* Delete four bytes of data. */ | |
903 | if (!elf32_h8_relax_delete_bytes (abfd, sec, | |
904 | irel->r_offset - 1, | |
905 | 4)) | |
906 | goto error_return; | |
907 | ||
b34976b6 | 908 | *again = TRUE; |
5907e628 JL |
909 | break; |
910 | } | |
911 | } | |
912 | ||
5907e628 JL |
913 | if (code == 0x5e) |
914 | bfd_put_8 (abfd, 0x55, contents + irel->r_offset - 1); | |
915 | else if (code == 0x5a) | |
916 | bfd_put_8 (abfd, 0x40, contents + irel->r_offset - 1); | |
917 | else | |
918 | abort (); | |
919 | ||
920 | /* Fix the relocation's type. */ | |
921 | irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info), | |
922 | R_H8_PCREL8); | |
923 | ||
924 | /* Delete two bytes of data. */ | |
925 | if (!elf32_h8_relax_delete_bytes (abfd, sec, | |
926 | irel->r_offset + 1, 2)) | |
927 | goto error_return; | |
928 | ||
929 | /* That will change things, so, we should relax again. | |
930 | Note that this is not required, and it may be slow. */ | |
b34976b6 | 931 | *again = TRUE; |
5907e628 JL |
932 | } |
933 | break; | |
934 | } | |
935 | ||
936 | /* Try to turn a 16bit pc-relative branch into a 8bit pc-relative | |
937 | branch. */ | |
938 | case R_H8_PCREL16: | |
939 | { | |
940 | bfd_vma value = symval + irel->r_addend; | |
941 | bfd_vma dot; | |
942 | bfd_vma gap; | |
943 | ||
944 | /* Get the address of this instruction. */ | |
945 | dot = (sec->output_section->vma | |
946 | + sec->output_offset | |
947 | + irel->r_offset - 2); | |
dc810e39 | 948 | |
5907e628 JL |
949 | gap = value - dot; |
950 | ||
951 | /* If the distance is within -126..+130 inclusive, then we can | |
952 | relax this jump. +130 is valid since the target will move | |
953 | two bytes closer if we do relax this branch. */ | |
bc7eab72 | 954 | if ((int) gap >= -126 && (int) gap <= 130) |
5907e628 | 955 | { |
bc7eab72 | 956 | unsigned char code; |
5907e628 | 957 | |
bc7eab72 | 958 | /* Note that we've changed the relocs, section contents, |
5907e628 | 959 | etc. */ |
bc7eab72 KH |
960 | elf_section_data (sec)->relocs = internal_relocs; |
961 | elf_section_data (sec)->this_hdr.contents = contents; | |
6cdc0ccc | 962 | symtab_hdr->contents = (unsigned char *) isymbuf; |
5907e628 | 963 | |
bc7eab72 KH |
964 | /* Get the opcode. */ |
965 | code = bfd_get_8 (abfd, contents + irel->r_offset - 2); | |
5907e628 JL |
966 | |
967 | if (code == 0x58) | |
968 | { | |
969 | /* bCC:16 -> bCC:8 */ | |
970 | /* Get the condition code from the original insn. */ | |
971 | code = bfd_get_8 (abfd, contents + irel->r_offset - 1); | |
972 | code &= 0xf0; | |
973 | code >>= 4; | |
974 | code |= 0x40; | |
975 | bfd_put_8 (abfd, code, contents + irel->r_offset - 2); | |
976 | } | |
977 | else if (code == 0x5c) | |
978 | bfd_put_8 (abfd, 0x55, contents + irel->r_offset - 2); | |
979 | else | |
980 | abort (); | |
981 | ||
982 | /* Fix the relocation's type. */ | |
bc7eab72 | 983 | irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info), |
5907e628 | 984 | R_H8_PCREL8); |
bc7eab72 | 985 | irel->r_offset--; |
5907e628 | 986 | |
bc7eab72 KH |
987 | /* Delete two bytes of data. */ |
988 | if (!elf32_h8_relax_delete_bytes (abfd, sec, | |
5907e628 JL |
989 | irel->r_offset + 1, 2)) |
990 | goto error_return; | |
991 | ||
bc7eab72 | 992 | /* That will change things, so, we should relax again. |
5907e628 | 993 | Note that this is not required, and it may be slow. */ |
b34976b6 | 994 | *again = TRUE; |
5907e628 JL |
995 | } |
996 | break; | |
997 | } | |
998 | ||
999 | /* This is a 16 bit absolute address in a "mov.b" insn, which may | |
1000 | become an 8 bit absolute address if its in the right range. */ | |
1001 | case R_H8_DIR16A8: | |
1002 | { | |
1003 | bfd_vma value = symval + irel->r_addend; | |
1004 | ||
1005 | if ((bfd_get_mach (abfd) == bfd_mach_h8300 | |
bc7eab72 KH |
1006 | && value >= 0xff00 |
1007 | && value <= 0xffff) | |
1008 | || ((bfd_get_mach (abfd) == bfd_mach_h8300h | |
5907e628 JL |
1009 | || bfd_get_mach (abfd) == bfd_mach_h8300s) |
1010 | && value >= 0xffff00 | |
1011 | && value <= 0xffffff)) | |
1012 | { | |
bc7eab72 | 1013 | unsigned char code; |
5907e628 | 1014 | |
bc7eab72 | 1015 | /* Note that we've changed the relocs, section contents, |
5907e628 | 1016 | etc. */ |
bc7eab72 KH |
1017 | elf_section_data (sec)->relocs = internal_relocs; |
1018 | elf_section_data (sec)->this_hdr.contents = contents; | |
6cdc0ccc | 1019 | symtab_hdr->contents = (unsigned char *) isymbuf; |
5907e628 | 1020 | |
bc7eab72 KH |
1021 | /* Get the opcode. */ |
1022 | code = bfd_get_8 (abfd, contents + irel->r_offset - 2); | |
5907e628 | 1023 | |
bc7eab72 KH |
1024 | /* Sanity check. */ |
1025 | if (code != 0x6a) | |
5907e628 JL |
1026 | abort (); |
1027 | ||
bc7eab72 | 1028 | code = bfd_get_8 (abfd, contents + irel->r_offset - 1); |
5907e628 | 1029 | |
bc7eab72 | 1030 | if ((code & 0xf0) == 0x00) |
5907e628 JL |
1031 | bfd_put_8 (abfd, |
1032 | (code & 0xf) | 0x20, | |
bc7eab72 KH |
1033 | contents + irel->r_offset - 2); |
1034 | else if ((code & 0xf0) == 0x80) | |
5907e628 JL |
1035 | bfd_put_8 (abfd, |
1036 | (code & 0xf) | 0x30, | |
bc7eab72 KH |
1037 | contents + irel->r_offset - 2); |
1038 | else | |
5907e628 JL |
1039 | abort (); |
1040 | ||
bc7eab72 KH |
1041 | /* Fix the relocation's type. */ |
1042 | irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info), | |
5907e628 JL |
1043 | R_H8_DIR8); |
1044 | ||
bc7eab72 KH |
1045 | /* Delete two bytes of data. */ |
1046 | if (!elf32_h8_relax_delete_bytes (abfd, sec, | |
5907e628 JL |
1047 | irel->r_offset + 1, 2)) |
1048 | goto error_return; | |
1049 | ||
bc7eab72 | 1050 | /* That will change things, so, we should relax again. |
5907e628 | 1051 | Note that this is not required, and it may be slow. */ |
b34976b6 | 1052 | *again = TRUE; |
5907e628 JL |
1053 | } |
1054 | break; | |
1055 | } | |
1056 | ||
1057 | /* This is a 24 bit absolute address in a "mov.b" insn, which may | |
1058 | become an 8 bit absolute address if its in the right range. */ | |
1059 | case R_H8_DIR24A8: | |
1060 | { | |
1061 | bfd_vma value = symval + irel->r_addend; | |
1062 | ||
1063 | if ((bfd_get_mach (abfd) == bfd_mach_h8300 | |
bc7eab72 KH |
1064 | && value >= 0xff00 |
1065 | && value <= 0xffff) | |
1066 | || ((bfd_get_mach (abfd) == bfd_mach_h8300h | |
5907e628 JL |
1067 | || bfd_get_mach (abfd) == bfd_mach_h8300s) |
1068 | && value >= 0xffff00 | |
1069 | && value <= 0xffffff)) | |
1070 | { | |
bc7eab72 | 1071 | unsigned char code; |
5907e628 | 1072 | |
bc7eab72 | 1073 | /* Note that we've changed the relocs, section contents, |
5907e628 | 1074 | etc. */ |
bc7eab72 KH |
1075 | elf_section_data (sec)->relocs = internal_relocs; |
1076 | elf_section_data (sec)->this_hdr.contents = contents; | |
6cdc0ccc | 1077 | symtab_hdr->contents = (unsigned char *) isymbuf; |
5907e628 | 1078 | |
bc7eab72 KH |
1079 | /* Get the opcode. */ |
1080 | code = bfd_get_8 (abfd, contents + irel->r_offset - 2); | |
5907e628 | 1081 | |
bc7eab72 KH |
1082 | /* Sanity check. */ |
1083 | if (code != 0x6a) | |
5907e628 JL |
1084 | abort (); |
1085 | ||
bc7eab72 | 1086 | code = bfd_get_8 (abfd, contents + irel->r_offset - 1); |
5907e628 | 1087 | |
bc7eab72 | 1088 | if ((code & 0xf0) == 0x00) |
5907e628 JL |
1089 | bfd_put_8 (abfd, |
1090 | (code & 0xf) | 0x20, | |
bc7eab72 KH |
1091 | contents + irel->r_offset - 2); |
1092 | else if ((code & 0xf0) == 0x80) | |
5907e628 JL |
1093 | bfd_put_8 (abfd, |
1094 | (code & 0xf) | 0x30, | |
bc7eab72 KH |
1095 | contents + irel->r_offset - 2); |
1096 | else | |
5907e628 JL |
1097 | abort (); |
1098 | ||
bc7eab72 KH |
1099 | /* Fix the relocation's type. */ |
1100 | irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info), | |
5907e628 JL |
1101 | R_H8_DIR8); |
1102 | ||
bc7eab72 KH |
1103 | /* Delete two bytes of data. */ |
1104 | if (!elf32_h8_relax_delete_bytes (abfd, sec, irel->r_offset, 2)) | |
5907e628 JL |
1105 | goto error_return; |
1106 | ||
bc7eab72 | 1107 | /* That will change things, so, we should relax again. |
5907e628 | 1108 | Note that this is not required, and it may be slow. */ |
b34976b6 | 1109 | *again = TRUE; |
5907e628 JL |
1110 | } |
1111 | } | |
1112 | ||
1113 | /* FALLTHRU */ | |
1114 | ||
1115 | /* This is a 24/32bit absolute address in a "mov" insn, which may | |
1116 | become a 16bit absoulte address if it is in the right range. */ | |
1117 | case R_H8_DIR32A16: | |
1118 | { | |
1119 | bfd_vma value = symval + irel->r_addend; | |
1120 | ||
1121 | if (value <= 0x7fff || value >= 0xff8000) | |
1122 | { | |
bc7eab72 | 1123 | unsigned char code; |
5907e628 | 1124 | |
bc7eab72 | 1125 | /* Note that we've changed the relocs, section contents, |
5907e628 | 1126 | etc. */ |
bc7eab72 KH |
1127 | elf_section_data (sec)->relocs = internal_relocs; |
1128 | elf_section_data (sec)->this_hdr.contents = contents; | |
6cdc0ccc | 1129 | symtab_hdr->contents = (unsigned char *) isymbuf; |
5907e628 | 1130 | |
bc7eab72 KH |
1131 | /* Get the opcode. */ |
1132 | code = bfd_get_8 (abfd, contents + irel->r_offset - 1); | |
5907e628 | 1133 | |
bc7eab72 KH |
1134 | /* We just need to turn off bit 0x20. */ |
1135 | code &= ~0x20; | |
5907e628 | 1136 | |
bc7eab72 | 1137 | bfd_put_8 (abfd, code, contents + irel->r_offset - 1); |
5907e628 | 1138 | |
bc7eab72 KH |
1139 | /* Fix the relocation's type. */ |
1140 | irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info), | |
5907e628 JL |
1141 | R_H8_DIR16A8); |
1142 | ||
bc7eab72 KH |
1143 | /* Delete two bytes of data. */ |
1144 | if (!elf32_h8_relax_delete_bytes (abfd, sec, | |
5907e628 JL |
1145 | irel->r_offset + 1, 2)) |
1146 | goto error_return; | |
1147 | ||
bc7eab72 | 1148 | /* That will change things, so, we should relax again. |
5907e628 | 1149 | Note that this is not required, and it may be slow. */ |
b34976b6 | 1150 | *again = TRUE; |
5907e628 JL |
1151 | } |
1152 | break; | |
1153 | } | |
1154 | ||
1155 | default: | |
1156 | break; | |
1157 | } | |
1158 | } | |
1159 | ||
6cdc0ccc AM |
1160 | if (isymbuf != NULL |
1161 | && symtab_hdr->contents != (unsigned char *) isymbuf) | |
5907e628 | 1162 | { |
6cdc0ccc AM |
1163 | if (! link_info->keep_memory) |
1164 | free (isymbuf); | |
1165 | else | |
1166 | symtab_hdr->contents = (unsigned char *) isymbuf; | |
5907e628 JL |
1167 | } |
1168 | ||
6cdc0ccc AM |
1169 | if (contents != NULL |
1170 | && elf_section_data (sec)->this_hdr.contents != contents) | |
5907e628 JL |
1171 | { |
1172 | if (! link_info->keep_memory) | |
6cdc0ccc | 1173 | free (contents); |
5907e628 JL |
1174 | else |
1175 | { | |
1176 | /* Cache the section contents for elf_link_input_bfd. */ | |
1177 | elf_section_data (sec)->this_hdr.contents = contents; | |
1178 | } | |
9ad5cbcf AM |
1179 | } |
1180 | ||
6cdc0ccc AM |
1181 | if (internal_relocs != NULL |
1182 | && elf_section_data (sec)->relocs != internal_relocs) | |
1183 | free (internal_relocs); | |
5907e628 | 1184 | |
b34976b6 | 1185 | return TRUE; |
5907e628 JL |
1186 | |
1187 | error_return: | |
6cdc0ccc AM |
1188 | if (isymbuf != NULL |
1189 | && symtab_hdr->contents != (unsigned char *) isymbuf) | |
1190 | free (isymbuf); | |
1191 | if (contents != NULL | |
1192 | && elf_section_data (sec)->this_hdr.contents != contents) | |
1193 | free (contents); | |
1194 | if (internal_relocs != NULL | |
1195 | && elf_section_data (sec)->relocs != internal_relocs) | |
1196 | free (internal_relocs); | |
b34976b6 | 1197 | return FALSE; |
5907e628 JL |
1198 | } |
1199 | ||
1200 | /* Delete some bytes from a section while relaxing. */ | |
1201 | ||
b34976b6 | 1202 | static bfd_boolean |
5907e628 JL |
1203 | elf32_h8_relax_delete_bytes (abfd, sec, addr, count) |
1204 | bfd *abfd; | |
1205 | asection *sec; | |
1206 | bfd_vma addr; | |
1207 | int count; | |
1208 | { | |
1209 | Elf_Internal_Shdr *symtab_hdr; | |
9ad5cbcf | 1210 | unsigned int sec_shndx; |
5907e628 JL |
1211 | bfd_byte *contents; |
1212 | Elf_Internal_Rela *irel, *irelend; | |
1213 | Elf_Internal_Rela *irelalign; | |
6cdc0ccc AM |
1214 | Elf_Internal_Sym *isym; |
1215 | Elf_Internal_Sym *isymend; | |
5907e628 | 1216 | bfd_vma toaddr; |
9ad5cbcf AM |
1217 | struct elf_link_hash_entry **sym_hashes; |
1218 | struct elf_link_hash_entry **end_hashes; | |
1219 | unsigned int symcount; | |
5907e628 | 1220 | |
9ad5cbcf | 1221 | sec_shndx = _bfd_elf_section_from_bfd_section (abfd, sec); |
5907e628 JL |
1222 | |
1223 | contents = elf_section_data (sec)->this_hdr.contents; | |
1224 | ||
1225 | /* The deletion must stop at the next ALIGN reloc for an aligment | |
1226 | power larger than the number of bytes we are deleting. */ | |
1227 | ||
1228 | irelalign = NULL; | |
1229 | toaddr = sec->_cooked_size; | |
1230 | ||
1231 | irel = elf_section_data (sec)->relocs; | |
1232 | irelend = irel + sec->reloc_count; | |
1233 | ||
1234 | /* Actually delete the bytes. */ | |
dc810e39 AM |
1235 | memmove (contents + addr, contents + addr + count, |
1236 | (size_t) (toaddr - addr - count)); | |
5907e628 JL |
1237 | sec->_cooked_size -= count; |
1238 | ||
1239 | /* Adjust all the relocs. */ | |
1240 | for (irel = elf_section_data (sec)->relocs; irel < irelend; irel++) | |
1241 | { | |
1242 | /* Get the new reloc address. */ | |
1243 | if ((irel->r_offset > addr | |
1244 | && irel->r_offset < toaddr)) | |
1245 | irel->r_offset -= count; | |
1246 | } | |
1247 | ||
1248 | /* Adjust the local symbols defined in this section. */ | |
6cdc0ccc AM |
1249 | symtab_hdr = &elf_tdata (abfd)->symtab_hdr; |
1250 | isym = (Elf_Internal_Sym *) symtab_hdr->contents; | |
1251 | isymend = isym + symtab_hdr->sh_info; | |
1252 | for (; isym < isymend; isym++) | |
5907e628 | 1253 | { |
6cdc0ccc AM |
1254 | if (isym->st_shndx == sec_shndx |
1255 | && isym->st_value > addr | |
1256 | && isym->st_value < toaddr) | |
1257 | isym->st_value -= count; | |
5907e628 JL |
1258 | } |
1259 | ||
1260 | /* Now adjust the global symbols defined in this section. */ | |
9ad5cbcf AM |
1261 | symcount = (symtab_hdr->sh_size / sizeof (Elf32_External_Sym) |
1262 | - symtab_hdr->sh_info); | |
1263 | sym_hashes = elf_sym_hashes (abfd); | |
1264 | end_hashes = sym_hashes + symcount; | |
1265 | for (; sym_hashes < end_hashes; sym_hashes++) | |
5907e628 | 1266 | { |
9ad5cbcf AM |
1267 | struct elf_link_hash_entry *sym_hash = *sym_hashes; |
1268 | if ((sym_hash->root.type == bfd_link_hash_defined | |
1269 | || sym_hash->root.type == bfd_link_hash_defweak) | |
1270 | && sym_hash->root.u.def.section == sec | |
1271 | && sym_hash->root.u.def.value > addr | |
1272 | && sym_hash->root.u.def.value < toaddr) | |
5907e628 | 1273 | { |
9ad5cbcf | 1274 | sym_hash->root.u.def.value -= count; |
5907e628 JL |
1275 | } |
1276 | } | |
1277 | ||
b34976b6 | 1278 | return TRUE; |
5907e628 JL |
1279 | } |
1280 | ||
b34976b6 AM |
1281 | /* Return TRUE if a symbol exists at the given address, else return |
1282 | FALSE. */ | |
1283 | static bfd_boolean | |
9ad5cbcf | 1284 | elf32_h8_symbol_address_p (abfd, sec, addr) |
5907e628 JL |
1285 | bfd *abfd; |
1286 | asection *sec; | |
5907e628 JL |
1287 | bfd_vma addr; |
1288 | { | |
1289 | Elf_Internal_Shdr *symtab_hdr; | |
9ad5cbcf | 1290 | unsigned int sec_shndx; |
6cdc0ccc AM |
1291 | Elf_Internal_Sym *isym; |
1292 | Elf_Internal_Sym *isymend; | |
9ad5cbcf AM |
1293 | struct elf_link_hash_entry **sym_hashes; |
1294 | struct elf_link_hash_entry **end_hashes; | |
1295 | unsigned int symcount; | |
5907e628 | 1296 | |
9ad5cbcf | 1297 | sec_shndx = _bfd_elf_section_from_bfd_section (abfd, sec); |
5907e628 JL |
1298 | |
1299 | /* Examine all the symbols. */ | |
9ad5cbcf | 1300 | symtab_hdr = &elf_tdata (abfd)->symtab_hdr; |
6cdc0ccc AM |
1301 | isym = (Elf_Internal_Sym *) symtab_hdr->contents; |
1302 | isymend = isym + symtab_hdr->sh_info; | |
1303 | for (; isym < isymend; isym++) | |
5907e628 | 1304 | { |
6cdc0ccc AM |
1305 | if (isym->st_shndx == sec_shndx |
1306 | && isym->st_value == addr) | |
b34976b6 | 1307 | return TRUE; |
5907e628 JL |
1308 | } |
1309 | ||
9ad5cbcf AM |
1310 | symcount = (symtab_hdr->sh_size / sizeof (Elf32_External_Sym) |
1311 | - symtab_hdr->sh_info); | |
1312 | sym_hashes = elf_sym_hashes (abfd); | |
1313 | end_hashes = sym_hashes + symcount; | |
1314 | for (; sym_hashes < end_hashes; sym_hashes++) | |
5907e628 | 1315 | { |
9ad5cbcf AM |
1316 | struct elf_link_hash_entry *sym_hash = *sym_hashes; |
1317 | if ((sym_hash->root.type == bfd_link_hash_defined | |
1318 | || sym_hash->root.type == bfd_link_hash_defweak) | |
1319 | && sym_hash->root.u.def.section == sec | |
1320 | && sym_hash->root.u.def.value == addr) | |
b34976b6 | 1321 | return TRUE; |
5907e628 | 1322 | } |
9ad5cbcf | 1323 | |
b34976b6 | 1324 | return FALSE; |
5907e628 JL |
1325 | } |
1326 | ||
1327 | /* This is a version of bfd_generic_get_relocated_section_contents | |
1328 | which uses elf32_h8_relocate_section. */ | |
1329 | ||
1330 | static bfd_byte * | |
1331 | elf32_h8_get_relocated_section_contents (output_bfd, link_info, link_order, | |
1332 | data, relocateable, symbols) | |
1333 | bfd *output_bfd; | |
1334 | struct bfd_link_info *link_info; | |
1335 | struct bfd_link_order *link_order; | |
1336 | bfd_byte *data; | |
b34976b6 | 1337 | bfd_boolean relocateable; |
5907e628 JL |
1338 | asymbol **symbols; |
1339 | { | |
1340 | Elf_Internal_Shdr *symtab_hdr; | |
1341 | asection *input_section = link_order->u.indirect.section; | |
1342 | bfd *input_bfd = input_section->owner; | |
1343 | asection **sections = NULL; | |
1344 | Elf_Internal_Rela *internal_relocs = NULL; | |
6cdc0ccc | 1345 | Elf_Internal_Sym *isymbuf = NULL; |
5907e628 JL |
1346 | |
1347 | /* We only need to handle the case of relaxing, or of having a | |
1348 | particular set of section contents, specially. */ | |
1349 | if (relocateable | |
1350 | || elf_section_data (input_section)->this_hdr.contents == NULL) | |
1351 | return bfd_generic_get_relocated_section_contents (output_bfd, link_info, | |
1352 | link_order, data, | |
1353 | relocateable, | |
1354 | symbols); | |
1355 | ||
1356 | symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr; | |
1357 | ||
1358 | memcpy (data, elf_section_data (input_section)->this_hdr.contents, | |
dc810e39 | 1359 | (size_t) input_section->_raw_size); |
5907e628 JL |
1360 | |
1361 | if ((input_section->flags & SEC_RELOC) != 0 | |
1362 | && input_section->reloc_count > 0) | |
1363 | { | |
5907e628 | 1364 | asection **secpp; |
6cdc0ccc | 1365 | Elf_Internal_Sym *isym, *isymend; |
9ad5cbcf | 1366 | bfd_size_type amt; |
5907e628 | 1367 | |
5907e628 JL |
1368 | internal_relocs = (_bfd_elf32_link_read_relocs |
1369 | (input_bfd, input_section, (PTR) NULL, | |
b34976b6 | 1370 | (Elf_Internal_Rela *) NULL, FALSE)); |
5907e628 JL |
1371 | if (internal_relocs == NULL) |
1372 | goto error_return; | |
1373 | ||
6cdc0ccc AM |
1374 | if (symtab_hdr->sh_info != 0) |
1375 | { | |
1376 | isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents; | |
1377 | if (isymbuf == NULL) | |
1378 | isymbuf = bfd_elf_get_elf_syms (input_bfd, symtab_hdr, | |
1379 | symtab_hdr->sh_info, 0, | |
1380 | NULL, NULL, NULL); | |
1381 | if (isymbuf == NULL) | |
1382 | goto error_return; | |
1383 | } | |
5907e628 | 1384 | |
9ad5cbcf AM |
1385 | amt = symtab_hdr->sh_info; |
1386 | amt *= sizeof (asection *); | |
1387 | sections = (asection **) bfd_malloc (amt); | |
1388 | if (sections == NULL && amt != 0) | |
5907e628 JL |
1389 | goto error_return; |
1390 | ||
6cdc0ccc AM |
1391 | isymend = isymbuf + symtab_hdr->sh_info; |
1392 | for (isym = isymbuf, secpp = sections; isym < isymend; ++isym, ++secpp) | |
5907e628 JL |
1393 | { |
1394 | asection *isec; | |
1395 | ||
6cdc0ccc | 1396 | if (isym->st_shndx == SHN_UNDEF) |
5907e628 | 1397 | isec = bfd_und_section_ptr; |
6cdc0ccc | 1398 | else if (isym->st_shndx == SHN_ABS) |
5907e628 | 1399 | isec = bfd_abs_section_ptr; |
6cdc0ccc | 1400 | else if (isym->st_shndx == SHN_COMMON) |
5907e628 JL |
1401 | isec = bfd_com_section_ptr; |
1402 | else | |
6cdc0ccc | 1403 | isec = bfd_section_from_elf_index (input_bfd, isym->st_shndx); |
5907e628 JL |
1404 | |
1405 | *secpp = isec; | |
1406 | } | |
1407 | ||
1408 | if (! elf32_h8_relocate_section (output_bfd, link_info, input_bfd, | |
1409 | input_section, data, internal_relocs, | |
6cdc0ccc | 1410 | isymbuf, sections)) |
5907e628 JL |
1411 | goto error_return; |
1412 | ||
1413 | if (sections != NULL) | |
1414 | free (sections); | |
6cdc0ccc AM |
1415 | if (isymbuf != NULL |
1416 | && symtab_hdr->contents != (unsigned char *) isymbuf) | |
1417 | free (isymbuf); | |
1418 | if (elf_section_data (input_section)->relocs != internal_relocs) | |
5907e628 | 1419 | free (internal_relocs); |
5907e628 JL |
1420 | } |
1421 | ||
1422 | return data; | |
1423 | ||
1424 | error_return: | |
5907e628 JL |
1425 | if (sections != NULL) |
1426 | free (sections); | |
6cdc0ccc AM |
1427 | if (isymbuf != NULL |
1428 | && symtab_hdr->contents != (unsigned char *) isymbuf) | |
1429 | free (isymbuf); | |
1430 | if (internal_relocs != NULL | |
1431 | && elf_section_data (input_section)->relocs != internal_relocs) | |
1432 | free (internal_relocs); | |
5907e628 JL |
1433 | return NULL; |
1434 | } | |
1435 | ||
0a83638b | 1436 | |
e01b0e69 JR |
1437 | #define TARGET_BIG_SYM bfd_elf32_h8300_vec |
1438 | #define TARGET_BIG_NAME "elf32-h8300" | |
1439 | #define ELF_ARCH bfd_arch_h8300 | |
1440 | #define ELF_MACHINE_CODE EM_H8_300 | |
1441 | #define ELF_MAXPAGESIZE 0x1 | |
1442 | #define bfd_elf32_bfd_reloc_type_lookup elf32_h8_reloc_type_lookup | |
1443 | #define elf_info_to_howto elf32_h8_info_to_howto | |
1444 | #define elf_info_to_howto_rel elf32_h8_info_to_howto_rel | |
1445 | ||
0a83638b JL |
1446 | /* So we can set/examine bits in e_flags to get the specific |
1447 | H8 architecture in use. */ | |
1448 | #define elf_backend_final_write_processing \ | |
1449 | elf32_h8_final_write_processing | |
1450 | #define elf_backend_object_p \ | |
1451 | elf32_h8_object_p | |
1452 | #define bfd_elf32_bfd_merge_private_bfd_data \ | |
1453 | elf32_h8_merge_private_bfd_data | |
1454 | ||
e01b0e69 JR |
1455 | /* ??? when elf_backend_relocate_section is not defined, elf32-target.h |
1456 | defaults to using _bfd_generic_link_hash_table_create, but | |
1457 | elflink.h:bfd_elf32_size_dynamic_sections uses | |
1458 | dynobj = elf_hash_table (info)->dynobj; | |
1459 | and thus requires an elf hash table. */ | |
1460 | #define bfd_elf32_bfd_link_hash_table_create _bfd_elf_link_hash_table_create | |
1461 | ||
5e47149d JL |
1462 | /* Use an H8 specific linker, not the ELF generic linker. */ |
1463 | #define elf_backend_relocate_section elf32_h8_relocate_section | |
f0fe0e16 | 1464 | #define elf_backend_rela_normal 1 |
5e47149d | 1465 | |
5907e628 JL |
1466 | /* And relaxing stuff. */ |
1467 | #define bfd_elf32_bfd_relax_section elf32_h8_relax_section | |
1468 | #define bfd_elf32_bfd_get_relocated_section_contents \ | |
1469 | elf32_h8_get_relocated_section_contents | |
1470 | ||
1471 | ||
e01b0e69 | 1472 | #include "elf32-target.h" |