1 /* AArch64 ELF support for BFD.
3 Copyright 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
4 Contributed by ARM Ltd.
6 This file is part of GNU Binutils.
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
10 the Free Software Foundation; either version 3 of the license, or
11 (at your option) any later version.
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.
18 You should have received a copy of the GNU General Public License
19 along with this program; see the file COPYING3. If not,
20 see <http://www.gnu.org/licenses/>. */
22 #ifndef _ELF_AARCH64_H
23 #define _ELF_AARCH64_H
25 #include "elf/reloc-macros.h"
27 /* Processor specific program header types. */
28 #define PT_AARCH64_ARCHEXT (PT_LOPROC + 0)
30 /* Additional section types. */
31 #define SHT_AARCH64_ATTRIBUTES 0x70000003 /* Section holds attributes. */
33 /* AArch64-specific values for sh_flags. */
34 #define SHF_ENTRYSECT 0x10000000 /* Section contains an
36 #define SHF_COMDEF 0x80000000 /* Section may be multiply defined
37 in the input to a link step. */
39 /* Relocation types. */
41 START_RELOC_NUMBERS (elf_aarch64_reloc_type
)
43 /* Null relocations. */
44 RELOC_NUMBER (R_AARCH64_NONE
, 0) /* No reloc */
46 FAKE_RELOC (R_AARCH64_static_min
, 256)
48 RELOC_NUMBER (R_AARCH64_NULL
, 256) /* No reloc */
50 /* Basic data relocations. */
53 RELOC_NUMBER (R_AARCH64_ABS64
, 257)
56 RELOC_NUMBER (R_AARCH64_ABS32
, 258)
59 RELOC_NUMBER (R_AARCH64_ABS16
, 259)
62 RELOC_NUMBER (R_AARCH64_PREL64
, 260)
65 RELOC_NUMBER (R_AARCH64_PREL32
, 261)
68 RELOC_NUMBER (R_AARCH64_PREL16
, 262)
70 /* Group relocations to create a 16, 32, 48 or 64 bit
71 unsigned data or abs address inline. */
73 /* MOV[ZK]: ((S+A) >> 0) & 0xffff */
74 RELOC_NUMBER (R_AARCH64_MOVW_UABS_G0
, 263)
76 /* MOV[ZK]: ((S+A) >> 0) & 0xffff */
77 RELOC_NUMBER (R_AARCH64_MOVW_UABS_G0_NC
, 264)
79 /* MOV[ZK]: ((S+A) >> 16) & 0xffff */
80 RELOC_NUMBER (R_AARCH64_MOVW_UABS_G1
, 265)
82 /* MOV[ZK]: ((S+A) >> 16) & 0xffff */
83 RELOC_NUMBER (R_AARCH64_MOVW_UABS_G1_NC
, 266)
85 /* MOV[ZK]: ((S+A) >> 32) & 0xffff */
86 RELOC_NUMBER (R_AARCH64_MOVW_UABS_G2
, 267)
88 /* MOV[ZK]: ((S+A) >> 32) & 0xffff */
89 RELOC_NUMBER (R_AARCH64_MOVW_UABS_G2_NC
, 268)
91 /* MOV[ZK]: ((S+A) >> 48) & 0xffff */
92 RELOC_NUMBER (R_AARCH64_MOVW_UABS_G3
, 269)
94 /* Group relocations to create high part of a 16, 32, 48 or 64 bit
95 signed data or abs address inline. Will change instruction
96 to MOVN or MOVZ depending on sign of calculated value. */
98 /* MOV[ZN]: ((S+A) >> 0) & 0xffff */
99 RELOC_NUMBER (R_AARCH64_MOVW_SABS_G0
, 270)
101 /* MOV[ZN]: ((S+A) >> 16) & 0xffff */
102 RELOC_NUMBER (R_AARCH64_MOVW_SABS_G1
, 271)
104 /* MOV[ZN]: ((S+A) >> 32) & 0xffff */
105 RELOC_NUMBER (R_AARCH64_MOVW_SABS_G2
, 272)
107 /* Relocations to generate 19, 21 and 33 bit PC-relative load/store
108 addresses: PG(x) is (x & ~0xfff). */
110 /* LD-lit: ((S+A-P) >> 2) & 0x7ffff */
111 RELOC_NUMBER (R_AARCH64_LD_PREL_LO19
, 273)
113 /* ADR: (S+A-P) & 0x1fffff */
114 RELOC_NUMBER (R_AARCH64_ADR_PREL_LO21
, 274)
116 /* ADRH: ((PG(S+A)-PG(P)) >> 12) & 0x1fffff */
117 RELOC_NUMBER (R_AARCH64_ADR_PREL_PG_HI21
, 275)
119 /* ADRH: ((PG(S+A)-PG(P)) >> 12) & 0x1fffff */
120 RELOC_NUMBER (R_AARCH64_ADR_PREL_PG_HI21_NC
, 276)
122 /* ADD: (S+A) & 0xfff */
123 RELOC_NUMBER (R_AARCH64_ADD_ABS_LO12_NC
, 277)
125 /* LD/ST8: (S+A) & 0xfff */
126 RELOC_NUMBER (R_AARCH64_LDST8_ABS_LO12_NC
, 278)
128 /* Relocations for control-flow instructions. */
130 /* TBZ/NZ: ((S+A-P) >> 2) & 0x3fff. */
131 RELOC_NUMBER (R_AARCH64_TSTBR14
, 279)
133 /* B.cond: ((S+A-P) >> 2) & 0x7ffff. */
134 RELOC_NUMBER (R_AARCH64_CONDBR19
, 280)
138 /* B: ((S+A-P) >> 2) & 0x3ffffff. */
139 RELOC_NUMBER (R_AARCH64_JUMP26
, 282)
141 /* BL: ((S+A-P) >> 2) & 0x3ffffff. */
142 RELOC_NUMBER (R_AARCH64_CALL26
, 283)
144 /* LD/ST16: (S+A) & 0xffe */
145 RELOC_NUMBER (R_AARCH64_LDST16_ABS_LO12_NC
, 284)
147 /* LD/ST32: (S+A) & 0xffc */
148 RELOC_NUMBER (R_AARCH64_LDST32_ABS_LO12_NC
, 285)
150 /* LD/ST64: (S+A) & 0xff8 */
151 RELOC_NUMBER (R_AARCH64_LDST64_ABS_LO12_NC
, 286)
153 /* LD/ST128: (S+A) & 0xff0 */
154 RELOC_NUMBER (R_AARCH64_LDST128_ABS_LO12_NC
, 299)
156 RELOC_NUMBER (R_AARCH64_GOT_LD_PREL19
, 309)
157 RELOC_NUMBER (R_AARCH64_ADR_GOT_PAGE
, 311)
158 RELOC_NUMBER (R_AARCH64_LD64_GOT_LO12_NC
, 312)
160 FAKE_RELOC (R_AARCH64_static_max
, 313)
162 FAKE_RELOC (R_AARCH64_tls_min
, 512)
163 RELOC_NUMBER (R_AARCH64_TLSGD_ADR_PAGE21
, 513)
164 RELOC_NUMBER (R_AARCH64_TLSGD_ADD_LO12_NC
, 514)
165 RELOC_NUMBER (R_AARCH64_TLSIE_MOVW_GOTTPREL_G1
, 539)
166 RELOC_NUMBER (R_AARCH64_TLSIE_MOVW_GOTTPREL_G0_NC
, 540)
167 RELOC_NUMBER (R_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21
, 541)
168 RELOC_NUMBER (R_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC
, 542)
169 RELOC_NUMBER (R_AARCH64_TLSIE_LD_GOTTPREL_PREL19
, 543)
170 RELOC_NUMBER (R_AARCH64_TLSLE_MOVW_TPREL_G2
, 544)
171 RELOC_NUMBER (R_AARCH64_TLSLE_MOVW_TPREL_G1
, 545)
172 RELOC_NUMBER (R_AARCH64_TLSLE_MOVW_TPREL_G1_NC
, 546)
173 RELOC_NUMBER (R_AARCH64_TLSLE_MOVW_TPREL_G0
, 547)
174 RELOC_NUMBER (R_AARCH64_TLSLE_MOVW_TPREL_G0_NC
, 548)
175 RELOC_NUMBER (R_AARCH64_TLSLE_ADD_TPREL_HI12
, 549)
176 RELOC_NUMBER (R_AARCH64_TLSLE_ADD_TPREL_LO12
, 550)
177 RELOC_NUMBER (R_AARCH64_TLSLE_ADD_TPREL_LO12_NC
, 551)
178 FAKE_RELOC (R_AARCH64_tls_max
, 552)
180 FAKE_RELOC (R_AARCH64_tlsdesc_min
, 560)
181 RELOC_NUMBER (R_AARCH64_TLSDESC_LD64_PREL19
, 560)
182 RELOC_NUMBER (R_AARCH64_TLSDESC_ADR_PREL21
, 561)
183 RELOC_NUMBER (R_AARCH64_TLSDESC_ADR_PAGE
, 562)
184 RELOC_NUMBER (R_AARCH64_TLSDESC_LD64_LO12_NC
, 563)
185 RELOC_NUMBER (R_AARCH64_TLSDESC_ADD_LO12_NC
, 564)
186 RELOC_NUMBER (R_AARCH64_TLSDESC_OFF_G1
, 565)
187 RELOC_NUMBER (R_AARCH64_TLSDESC_OFF_G0_NC
, 566)
188 RELOC_NUMBER (R_AARCH64_TLSDESC_LDR
, 567)
189 RELOC_NUMBER (R_AARCH64_TLSDESC_ADD
, 568)
190 RELOC_NUMBER (R_AARCH64_TLSDESC_CALL
, 569)
191 FAKE_RELOC (R_AARCH64_tlsdesc_max
, 570)
193 /* Dynamic relocations */
194 FAKE_RELOC (R_AARCH64_dyn_min
, 1024)
196 /* Copy symbol at runtime. */
197 RELOC_NUMBER (R_AARCH64_COPY
, 1024)
199 /* Create GOT entry. */
200 RELOC_NUMBER (R_AARCH64_GLOB_DAT
, 1025)
202 /* Create PLT entry. */
203 RELOC_NUMBER (R_AARCH64_JUMP_SLOT
, 1026)
205 /* Adjust by program base. */
206 RELOC_NUMBER (R_AARCH64_RELATIVE
, 1027)
207 RELOC_NUMBER (R_AARCH64_TLS_DTPMOD64
, 1028)
208 RELOC_NUMBER (R_AARCH64_TLS_DTPREL64
, 1029)
209 RELOC_NUMBER (R_AARCH64_TLS_TPREL64
, 1030)
210 RELOC_NUMBER (R_AARCH64_TLSDESC
, 1031)
211 FAKE_RELOC (R_AARCH64_dyn_max
, 1032)
213 END_RELOC_NUMBERS (R_AARCH64_end
)
215 #endif /* _ELF_AARCH64_H */