1 /* 32-bit ELF support for ARM old abi option.
2 Copyright 1999 Free Software Foundation, Inc.
4 This file is part of BFD, the Binary File Descriptor library.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
20 #include "elf/arm-oabi.h"
28 #define TARGET_LITTLE_SYM bfd_elf32_littlearm_oabi_vec
29 #define TARGET_LITTLE_NAME "elf32-littlearm-oabi"
30 #define TARGET_BIG_SYM bfd_elf32_bigarm_oabi_vec
31 #define TARGET_BIG_NAME "elf32-bigarm-oabi"
32 #define elf_info_to_howto elf32_arm_info_to_howto
33 #define elf_info_to_howto_rel 0
35 static reloc_howto_type elf32_arm_howto_table
[] =
38 HOWTO (R_ARM_NONE
, /* type */
40 0, /* size (0 = byte, 1 = short, 2 = long) */
42 false, /* pc_relative */
44 complain_overflow_dont
, /* complain_on_overflow */
45 bfd_elf_generic_reloc
, /* special_function */
46 "R_ARM_NONE", /* name */
47 false, /* partial_inplace */
50 false), /* pcrel_offset */
52 HOWTO (R_ARM_PC24
, /* type */
54 2, /* size (0 = byte, 1 = short, 2 = long) */
56 true, /* pc_relative */
58 complain_overflow_signed
, /* complain_on_overflow */
59 bfd_elf_generic_reloc
, /* special_function */
60 "R_ARM_PC24", /* name */
61 false, /* partial_inplace */
62 0x00ffffff, /* src_mask */
63 0x00ffffff, /* dst_mask */
64 true), /* pcrel_offset */
67 HOWTO (R_ARM_ABS32
, /* type */
69 2, /* size (0 = byte, 1 = short, 2 = long) */
71 false, /* pc_relative */
73 complain_overflow_bitfield
, /* complain_on_overflow */
74 bfd_elf_generic_reloc
, /* special_function */
75 "R_ARM_ABS32", /* name */
76 false, /* partial_inplace */
77 0xffffffff, /* src_mask */
78 0xffffffff, /* dst_mask */
79 false), /* pcrel_offset */
81 /* standard 32bit pc-relative reloc */
82 HOWTO (R_ARM_REL32
, /* type */
84 2, /* size (0 = byte, 1 = short, 2 = long) */
86 true, /* pc_relative */
88 complain_overflow_bitfield
, /* complain_on_overflow */
89 bfd_elf_generic_reloc
, /* special_function */
90 "R_ARM_REL32", /* name */
91 false, /* partial_inplace */
92 0xffffffff, /* src_mask */
93 0xffffffff, /* dst_mask */
94 true), /* pcrel_offset */
97 HOWTO (R_ARM_ABS8
, /* type */
99 0, /* size (0 = byte, 1 = short, 2 = long) */
101 false, /* pc_relative */
103 complain_overflow_bitfield
, /* complain_on_overflow */
104 bfd_elf_generic_reloc
, /* special_function */
105 "R_ARM_ABS8", /* name */
106 false, /* partial_inplace */
107 0x000000ff, /* src_mask */
108 0x000000ff, /* dst_mask */
109 false), /* pcrel_offset */
111 /* 16 bit absolute */
112 HOWTO (R_ARM_ABS16
, /* type */
114 1, /* size (0 = byte, 1 = short, 2 = long) */
116 false, /* pc_relative */
118 complain_overflow_bitfield
, /* complain_on_overflow */
119 bfd_elf_generic_reloc
, /* special_function */
120 "R_ARM_ABS16", /* name */
121 false, /* partial_inplace */
124 false), /* pcrel_offset */
126 /* 12 bit absolute */
127 HOWTO (R_ARM_ABS12
, /* type */
129 2, /* size (0 = byte, 1 = short, 2 = long) */
131 false, /* pc_relative */
133 complain_overflow_bitfield
, /* complain_on_overflow */
134 bfd_elf_generic_reloc
, /* special_function */
135 "R_ARM_ABS12", /* name */
136 false, /* partial_inplace */
137 0x000008ff, /* src_mask */
138 0x000008ff, /* dst_mask */
139 false), /* pcrel_offset */
141 HOWTO (R_ARM_THM_ABS5
, /* type */
143 2, /* size (0 = byte, 1 = short, 2 = long) */
145 false, /* pc_relative */
147 complain_overflow_bitfield
, /* complain_on_overflow */
148 bfd_elf_generic_reloc
, /* special_function */
149 "R_ARM_THM_ABS5", /* name */
150 false, /* partial_inplace */
151 0x000007e0, /* src_mask */
152 0x000007e0, /* dst_mask */
153 false), /* pcrel_offset */
155 HOWTO (R_ARM_THM_PC22
, /* type */
157 2, /* size (0 = byte, 1 = short, 2 = long) */
159 true, /* pc_relative */
161 complain_overflow_signed
, /* complain_on_overflow */
162 bfd_elf_generic_reloc
, /* special_function */
163 "R_ARM_THM_PC22", /* name */
164 false, /* partial_inplace */
165 0x07ff07ff, /* src_mask */
166 0x07ff07ff, /* dst_mask */
167 true), /* pcrel_offset */
169 HOWTO (R_ARM_SBREL32
, /* type */
171 0, /* size (0 = byte, 1 = short, 2 = long) */
173 false, /* pc_relative */
175 complain_overflow_dont
, /* complain_on_overflow */
176 bfd_elf_generic_reloc
, /* special_function */
177 "R_ARM_SBREL32", /* name */
178 false, /* partial_inplace */
181 false), /* pcrel_offset */
183 HOWTO (R_ARM_AMP_VCALL9
, /* type */
185 1, /* size (0 = byte, 1 = short, 2 = long) */
187 true, /* pc_relative */
189 complain_overflow_signed
, /* complain_on_overflow */
190 bfd_elf_generic_reloc
, /* special_function */
191 "R_ARM_AMP_VCALL9", /* name */
192 false, /* partial_inplace */
193 0x000000ff, /* src_mask */
194 0x000000ff, /* dst_mask */
195 true), /* pcrel_offset */
197 /* 12 bit pc relative */
198 HOWTO (R_ARM_THM_PC11
, /* type */
200 1, /* size (0 = byte, 1 = short, 2 = long) */
202 true, /* pc_relative */
204 complain_overflow_signed
, /* complain_on_overflow */
205 bfd_elf_generic_reloc
, /* special_function */
206 "R_ARM_THM_PC11", /* name */
207 false, /* partial_inplace */
208 0x000007ff, /* src_mask */
209 0x000007ff, /* dst_mask */
210 true), /* pcrel_offset */
212 /* 12 bit pc relative */
213 HOWTO (R_ARM_THM_PC9
, /* type */
215 1, /* size (0 = byte, 1 = short, 2 = long) */
217 true, /* pc_relative */
219 complain_overflow_signed
, /* complain_on_overflow */
220 bfd_elf_generic_reloc
, /* special_function */
221 "R_ARM_THM_PC9", /* name */
222 false, /* partial_inplace */
223 0x000000ff, /* src_mask */
224 0x000000ff, /* dst_mask */
225 true), /* pcrel_offset */
227 /* GNU extension to record C++ vtable hierarchy */
228 HOWTO (R_ARM_GNU_VTINHERIT
, /* type */
230 2, /* size (0 = byte, 1 = short, 2 = long) */
232 false, /* pc_relative */
234 complain_overflow_dont
, /* complain_on_overflow */
235 NULL
, /* special_function */
236 "R_ARM_GNU_VTINHERIT", /* name */
237 false, /* partial_inplace */
240 false), /* pcrel_offset */
242 /* GNU extension to record C++ vtable member usage */
243 HOWTO (R_ARM_GNU_VTENTRY
, /* type */
245 2, /* size (0 = byte, 1 = short, 2 = long) */
247 false, /* pc_relative */
249 complain_overflow_dont
, /* complain_on_overflow */
250 _bfd_elf_rel_vtable_reloc_fn
, /* special_function */
251 "R_ARM_GNU_VTENTRY", /* name */
252 false, /* partial_inplace */
255 false), /* pcrel_offset */
258 HOWTO (R_ARM_RREL32
, /* type */
260 0, /* size (0 = byte, 1 = short, 2 = long) */
262 false, /* pc_relative */
264 complain_overflow_dont
, /* complain_on_overflow */
265 bfd_elf_generic_reloc
, /* special_function */
266 "R_ARM_RREL32", /* name */
267 false, /* partial_inplace */
270 false), /* pcrel_offset */
272 HOWTO (R_ARM_RABS32
, /* type */
274 0, /* size (0 = byte, 1 = short, 2 = long) */
276 false, /* pc_relative */
278 complain_overflow_dont
, /* complain_on_overflow */
279 bfd_elf_generic_reloc
, /* special_function */
280 "R_ARM_RABS32", /* name */
281 false, /* partial_inplace */
284 false), /* pcrel_offset */
286 HOWTO (R_ARM_RPC24
, /* type */
288 0, /* size (0 = byte, 1 = short, 2 = long) */
290 false, /* pc_relative */
292 complain_overflow_dont
, /* complain_on_overflow */
293 bfd_elf_generic_reloc
, /* special_function */
294 "R_ARM_RPC24", /* name */
295 false, /* partial_inplace */
298 false), /* pcrel_offset */
300 HOWTO (R_ARM_RBASE
, /* type */
302 0, /* size (0 = byte, 1 = short, 2 = long) */
304 false, /* pc_relative */
306 complain_overflow_dont
, /* complain_on_overflow */
307 bfd_elf_generic_reloc
, /* special_function */
308 "R_ARM_RBASE", /* name */
309 false, /* partial_inplace */
312 false), /* pcrel_offset */
317 elf32_arm_info_to_howto (abfd
, bfd_reloc
, elf_reloc
)
320 Elf32_Internal_Rela
*elf_reloc
;
324 r_type
= ELF32_R_TYPE (elf_reloc
->r_info
);
325 /* fixme: need range test */
326 /* BFD_ASSERT (r_type < (unsigned int) R_ELF32_ARM_MAX); */
327 bfd_reloc
->howto
= &elf32_arm_howto_table
[r_type
];
329 #include "elf32-arm.h"