* config/tc-sparc.c (enforce_aligned_data): New static variable.
[deliverable/binutils-gdb.git] / bfd / coff-h8500.c
CommitLineData
46dd0622 1/* BFD back-end for Hitachi H8/500 COFF binaries.
47e70c54 2 Copyright 1993, 1994 Free Software Foundation, Inc.
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3 Contributed by Cygnus Support.
4 Written by Steve Chamberlain, <sac@cygnus.com>.
5
6This file is part of BFD, the Binary File Descriptor library.
7
8This program is free software; you can redistribute it and/or modify
9it under the terms of the GNU General Public License as published by
10the Free Software Foundation; either version 2 of the License, or
11(at your option) any later version.
12
13This program is distributed in the hope that it will be useful,
14but WITHOUT ANY WARRANTY; without even the implied warranty of
15MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16GNU General Public License for more details.
17
18You should have received a copy of the GNU General Public License
19along with this program; if not, write to the Free Software
a5655244 20Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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21
22#include "bfd.h"
23#include "sysdep.h"
46dd0622 24#include "obstack.h"
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25#include "libbfd.h"
26#include "bfdlink.h"
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27#include "coff/h8500.h"
28#include "coff/internal.h"
29#include "libcoff.h"
46dd0622 30
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31#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (1)
32
46dd0622 33static reloc_howto_type r_imm8 =
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34HOWTO (R_H8500_IMM8, 0, 1, 8, false, 0,
35 complain_overflow_bitfield, 0, "r_imm8", true, 0x000000ff, 0x000000ff, false);
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36
37static reloc_howto_type r_imm16 =
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38HOWTO (R_H8500_IMM16, 0, 1, 16, false, 0,
39 complain_overflow_bitfield, 0, "r_imm16", true, 0x0000ffff, 0x0000ffff, false);
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40
41static reloc_howto_type r_imm24 =
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42HOWTO (R_H8500_IMM24, 0, 1, 24, false, 0,
43 complain_overflow_bitfield, 0, "r_imm24", true, 0x00ffffff, 0x00ffffff, false);
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44
45static reloc_howto_type r_imm32 =
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46HOWTO (R_H8500_IMM32, 0, 1, 32, false, 0,
47 complain_overflow_bitfield, 0, "r_imm32", true, 0xffffffff, 0xffffffff, false);
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48
49
50static reloc_howto_type r_high8 =
4991ebb9 51HOWTO (R_H8500_HIGH8, 0, 1, 8, false, 0,
47e70c54 52 complain_overflow_dont, 0, "r_high8", true, 0x000000ff, 0x000000ff, false);
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53
54static reloc_howto_type r_low16 =
4991ebb9 55HOWTO (R_H8500_LOW16, 0, 1, 16, false, 0,
47e70c54 56 complain_overflow_dont, 0, "r_low16", true, 0x0000ffff, 0x0000ffff, false);
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57
58static reloc_howto_type r_pcrel8 =
4991ebb9 59HOWTO (R_H8500_PCREL8, 0, 1, 8, true, 0, complain_overflow_signed, 0, "r_pcrel8", true, 0, 0, true);
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60
61
62static reloc_howto_type r_pcrel16 =
4991ebb9 63HOWTO (R_H8500_PCREL16, 0, 1, 16, true, 0, complain_overflow_signed, 0, "r_pcrel16", true, 0, 0, true);
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64
65static reloc_howto_type r_high16 =
4991ebb9 66HOWTO (R_H8500_HIGH16, 0, 1, 8, false, 0,
47e70c54 67 complain_overflow_dont, 0, "r_high16", true, 0x000ffff, 0x0000ffff, false);
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68
69
70/* Turn a howto into a reloc number */
71
72static int
73coff_h8500_select_reloc (howto)
74 reloc_howto_type *howto;
75{
76 return howto->type;
77}
78
47e70c54 79#define SELECT_RELOC(x,howto) x.r_type = coff_h8500_select_reloc(howto)
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80
81
82#define BADMAG(x) H8500BADMAG(x)
83#define H8500 1 /* Customize coffcode.h */
84
85#define __A_MAGIC_SET__
86
87/* Code to swap in the reloc */
88#define SWAP_IN_RELOC_OFFSET bfd_h_get_32
89#define SWAP_OUT_RELOC_OFFSET bfd_h_put_32
90#define SWAP_OUT_RELOC_EXTRA(abfd, src, dst) \
91 dst->r_stuff[0] = 'S'; \
92 dst->r_stuff[1] = 'C';
93
94/* Code to turn a r_type into a howto ptr, uses the above howto table
95 */
96
97static void
98rtype2howto(internal, dst)
99 arelent * internal;
100 struct internal_reloc *dst;
101{
102 switch (dst->r_type)
103 {
104 default:
4991ebb9 105 fprintf (stderr, "BAD 0x%x\n", dst->r_type);
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106 case R_H8500_IMM8:
107 internal->howto = &r_imm8;
108 break;
109 case R_H8500_IMM16:
110 internal->howto = &r_imm16;
111 break;
112 case R_H8500_IMM24:
113 internal->howto = &r_imm24;
114 break;
115 case R_H8500_IMM32:
116 internal->howto = &r_imm32;
117 break;
118 case R_H8500_PCREL8:
119 internal->howto = &r_pcrel8;
120 break;
121 case R_H8500_PCREL16:
122 internal->howto = &r_pcrel16;
123 break;
124 case R_H8500_HIGH8:
125 internal->howto = &r_high8;
126 break;
127 case R_H8500_HIGH16:
128 internal->howto = &r_high16;
129 break;
130 case R_H8500_LOW16:
131 internal->howto = &r_low16;
132 break;
133 }
134}
135
136#define RTYPE2HOWTO(internal, relocentry) rtype2howto(internal,relocentry)
137
138
139/* Perform any necessaru magic to the addend in a reloc entry */
140
141
142#define CALC_ADDEND(abfd, symbol, ext_reloc, cache_ptr) \
143 cache_ptr->addend = ext_reloc.r_offset;
144
145
146#define RELOC_PROCESSING(relent,reloc,symbols,abfd,section) \
147 reloc_processing(relent, reloc, symbols, abfd, section)
148
149static void reloc_processing (relent, reloc, symbols, abfd, section)
150 arelent * relent;
151 struct internal_reloc *reloc;
152 asymbol ** symbols;
153 bfd * abfd;
154 asection * section;
155{
156 relent->address = reloc->r_vaddr;
157 rtype2howto (relent, reloc);
158
159 if (reloc->r_symndx > 0)
160 {
161 relent->sym_ptr_ptr = symbols + obj_convert (abfd)[reloc->r_symndx];
162 }
163 else
164 {
a5655244 165 relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr;
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166 }
167
168
169 relent->addend = reloc->r_offset;
170 relent->address -= section->vma;
171}
172
173static void
4991ebb9 174extra_case (in_abfd, link_info, link_order, reloc, data, src_ptr, dst_ptr)
46dd0622 175 bfd *in_abfd;
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176 struct bfd_link_info *link_info;
177 struct bfd_link_order *link_order;
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178 arelent *reloc;
179 bfd_byte *data;
180 unsigned int *src_ptr;
181 unsigned int *dst_ptr;
182{
183 bfd_byte *d = data+*dst_ptr;
4991ebb9 184 asection *input_section = link_order->u.indirect.section;
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185 switch (reloc->howto->type)
186 {
187 case R_H8500_IMM8:
188 bfd_put_8 (in_abfd,
4991ebb9 189 bfd_coff_reloc16_get_value (reloc, link_info, input_section),
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190 d);
191 (*dst_ptr) += 1;
192 (*src_ptr) += 1;
193 break;
194
195 case R_H8500_HIGH8:
196 bfd_put_8 (in_abfd,
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197 (bfd_coff_reloc16_get_value (reloc, link_info, input_section)
198 >> 16),
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199 d );
200 (*dst_ptr) += 1;
201 (*src_ptr) += 1;
202 break;
203
204 case R_H8500_IMM16:
205 bfd_put_16 (in_abfd,
4991ebb9 206 bfd_coff_reloc16_get_value (reloc, link_info, input_section),
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207 d );
208 (*dst_ptr) += 2;
209 (*src_ptr) += 2;
210 break;
211
212 case R_H8500_LOW16:
213 bfd_put_16 (in_abfd,
4991ebb9 214 bfd_coff_reloc16_get_value (reloc, link_info, input_section),
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215 d);
216
217 (*dst_ptr) += 2;
218 (*src_ptr) += 2;
219 break;
220
221 case R_H8500_HIGH16:
222 bfd_put_16 (in_abfd,
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223 (bfd_coff_reloc16_get_value (reloc, link_info, input_section)
224 >>16),
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225 d);
226
227 (*dst_ptr) += 2;
228 (*src_ptr) += 2;
229 break;
230
231 case R_H8500_IMM24:
232 {
4991ebb9 233 int v = bfd_coff_reloc16_get_value(reloc, link_info, input_section);
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234 int o = bfd_get_32(in_abfd, data+ *dst_ptr -1);
235 v = (v & 0x00ffffff) | (o & 0xff00000);
236 bfd_put_32 (in_abfd, v, data + *dst_ptr -1);
237 (*dst_ptr) +=3;
238 (*src_ptr)+=3;;
239 }
240 break;
241 case R_H8500_IMM32:
242 {
4991ebb9 243 int v = bfd_coff_reloc16_get_value(reloc, link_info, input_section);
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244 bfd_put_32 (in_abfd, v, data + *dst_ptr);
245 (*dst_ptr) +=4;
246 (*src_ptr)+=4;;
247 }
248 break;
249
250
251 case R_H8500_PCREL8:
252 {
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253 bfd_vma dst = bfd_coff_reloc16_get_value (reloc, link_info,
254 input_section);
255 bfd_vma dot = link_order->offset
46dd0622 256 + *dst_ptr
4991ebb9 257 + link_order->u.indirect.section->output_section->vma;
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258 int gap = dst - dot - 1; /* -1 since were in the odd byte of the
259 word and the pc's been incremented */
260
261 if (gap > 128 || gap < -128)
262 {
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263 if (! ((*link_info->callbacks->reloc_overflow)
264 (link_info, bfd_asymbol_name (*reloc->sym_ptr_ptr),
265 reloc->howto->name, reloc->addend, input_section->owner,
266 input_section, reloc->address)))
267 abort ();
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268 }
269 bfd_put_8 (in_abfd, gap, data + *dst_ptr);
270 (*dst_ptr)++;
271 (*src_ptr)++;
272 break;
273 }
274 case R_H8500_PCREL16:
275 {
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276 bfd_vma dst = bfd_coff_reloc16_get_value (reloc, link_info,
277 input_section);
278 bfd_vma dot = link_order->offset
46dd0622 279 + *dst_ptr
4991ebb9 280 + link_order->u.indirect.section->output_section->vma;
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281 int gap = dst - dot - 1; /* -1 since were in the odd byte of the
282 word and the pc's been incremented */
283
284 if (gap > 32767 || gap < -32768)
285 {
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286 if (! ((*link_info->callbacks->reloc_overflow)
287 (link_info, bfd_asymbol_name (*reloc->sym_ptr_ptr),
288 reloc->howto->name, reloc->addend, input_section->owner,
289 input_section, reloc->address)))
290 abort ();
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291 }
292 bfd_put_16 (in_abfd, gap, data + *dst_ptr);
293 (*dst_ptr)+=2;
294 (*src_ptr)+=2;
295 break;
296 }
297
298 default:
299 abort ();
300 }
301}
302
303#define coff_reloc16_extra_cases extra_case
304
305#include "coffcode.h"
306
307
308#undef coff_bfd_get_relocated_section_contents
309#undef coff_bfd_relax_section
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310#define coff_bfd_get_relocated_section_contents \
311 bfd_coff_reloc16_get_relocated_section_contents
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312#define coff_bfd_relax_section bfd_coff_reloc16_relax_section
313
2f3508ad 314const bfd_target h8500coff_vec =
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315{
316 "coff-h8500", /* name */
317 bfd_target_coff_flavour,
318 true, /* data byte order is big */
319 true, /* header byte order is big */
320
321 (HAS_RELOC | EXEC_P | /* object flags */
322 HAS_LINENO | HAS_DEBUG |
4991ebb9 323 HAS_SYMS | HAS_LOCALS | WP_TEXT),
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324
325 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
326 '_', /* leading symbol underscore */
327 '/', /* ar_pad_char */
328 15, /* ar_max_namelen */
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329 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
330 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
331 bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* data */
332 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
333 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
334 bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */
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335
336 {_bfd_dummy_target, coff_object_p, /* bfd_check_format */
337 bfd_generic_archive_p, _bfd_dummy_target},
338 {bfd_false, coff_mkobject, _bfd_generic_mkarchive, /* bfd_set_format */
339 bfd_false},
340 {bfd_false, coff_write_object_contents, /* bfd_write_contents */
341 _bfd_write_archive_contents, bfd_false},
342
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343 BFD_JUMP_TABLE_GENERIC (coff),
344 BFD_JUMP_TABLE_COPY (coff),
345 BFD_JUMP_TABLE_CORE (_bfd_nocore),
346 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
347 BFD_JUMP_TABLE_SYMBOLS (coff),
348 BFD_JUMP_TABLE_RELOCS (coff),
349 BFD_JUMP_TABLE_WRITE (coff),
350 BFD_JUMP_TABLE_LINK (coff),
2f3508ad 351 BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
6812b607 352
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353 COFF_SWAP_TABLE,
354};
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