1/* $NetBSD: elf_machdep.h,v 1.5 2022/05/30 21:18:37 jkoshy Exp $ */
2
3/*-
4 * Copyright (c) 2014 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Matt Thomas of 3am Software Foundry.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#ifndef _AARCH64_ELF_MACHDEP_H_
33#define _AARCH64_ELF_MACHDEP_H_
34
35#ifdef __aarch64__
36
37#if defined(__AARCH64EB__)
38#define ELF64_MACHDEP_ENDIANNESS ELFDATA2MSB
39#define ELF32_MACHDEP_ENDIANNESS ELFDATA2MSB
40#else
41#define ELF64_MACHDEP_ENDIANNESS ELFDATA2LSB
42#define ELF32_MACHDEP_ENDIANNESS ELFDATA2LSB
43#endif
44
45/* Processor specific flags for the ELF header e_flags field. */
46#define EF_ARM_RELEXEC 0x00000001
47#define EF_ARM_HASENTRY 0x00000002
48#define EF_ARM_INTERWORK 0x00000004 /* GNU binutils 000413 */
49#define EF_ARM_SYMSARESORTED 0x00000004 /* ARM ELF A08 */
50#define EF_ARM_APCS_26 0x00000008 /* GNU binutils 000413 */
51#define EF_ARM_DYNSYMSUSESEGIDX 0x00000008 /* ARM ELF B01 */
52#define EF_ARM_APCS_FLOAT 0x00000010 /* GNU binutils 000413 */
53#define EF_ARM_MAPSYMSFIRST 0x00000010 /* ARM ELF B01 */
54#define EF_ARM_PIC 0x00000020
55#define EF_ARM_ALIGN8 0x00000040 /* 8-bit structure alignment. */
56#define EF_ARM_NEW_ABI 0x00000080
57#define EF_ARM_OLD_ABI 0x00000100
58#define EF_ARM_SOFT_FLOAT 0x00000200
59#define EF_ARM_BE8 0x00800000
60#define EF_ARM_EABIMASK 0xff000000
61#define EF_ARM_EABI_VER1 0x01000000
62#define EF_ARM_EABI_VER2 0x02000000
63#define EF_ARM_EABI_VER3 0x03000000
64#define EF_ARM_EABI_VER4 0x04000000
65#define EF_ARM_EABI_VER5 0x05000000
66
67#define ELF32_MACHDEP_ID_CASES \
68 case EM_ARM: \
69 break;
70
71#define ELF64_MACHDEP_ID_CASES \
72 case EM_AARCH64: \
73 break;
74
75#define ELF64_MACHDEP_ID EM_AARCH64
76#define ELF32_MACHDEP_ID EM_ARM
77
78#define KERN_ELFSIZE 64
79#define ARCH_ELFSIZE 64 /* MD native binary size */
80
81/* Processor specific relocation types */
82
83#define R_AARCH64_NONE 0
84#define R_AARCH64_NONE2 256
85
86#define R_AARCH64_ABS64 257 /* S + A */
87#define R_AARCH64_ABS32 258 /* S + A */
88#define R_AARCH64_ABS16 259 /* S + A */
89#define R_AARCH64_PREL64 260 /* S + A - P */
90#define R_AARCH64_PREL32 261 /* S + A - P */
91#define R_AARCH64_PREL16 262 /* S + A - P */
92#define R_AARCH64_MOVW_UABS_G0 263 /* S + A [bits 0..15] */
93#define R_AARCH64_MOVW_UABS_G0_NC 264 /* S + A [bits 0..15] */
94#define R_AARCH64_MOVW_UABS_G1 265 /* S + A [bits 16..31] */
95#define R_AARCH64_MOVW_UABS_G1_NC 266 /* S + A [bits 16..31] */
96#define R_AARCH64_MOVW_UABS_G2 267 /* S + A [bits 32..47] */
97#define R_AARCH64_MOVW_UABS_G2_NC 268 /* S + A [bits 32..47] */
98#define R_AARCH64_MOVW_UABS_G3 269 /* S + A [bits 48..63] */
99#define R_AARCH64_MOVW_SABS_G0 270 /* S + A [bits 0..15] */
100#define R_AARCH64_MOVW_SABS_G1 271 /* S + A [bits 16..31] */
101#define R_AARCH64_MOVW_SABS_G2 272 /* S + A [bits 32..47] */
102#define R_AARCH64_LD_PREL_LO19 273 /* S + A - P */
103#define R_AARCH64_ADR_PREL_LO21 274 /* S + A - P */
104#define R_AARCH64_ADR_PREL_PG_HI21 275 /* Page(S + A) - Page(P) */
105#define R_AARCH64_ADR_PREL_PG_HI21_NC 276 /* Page(S + A) - Page(P) */
106#define R_AARCH64_ADD_ABS_LO12_NC 277 /* S + A */
107#define R_AARCH64_LDST8_ABS_LO12_NC 278 /* S + A */
108#define R_AARCH_TSTBR14 279 /* S + A - P */
109#define R_AARCH_CONDBR19 281 /* S + A - P */
110#define R_AARCH_JUMP26 282 /* S + A - P */
111#define R_AARCH_CALL26 283 /* S + A - P */
112#define R_AARCH_LDST16_ABS_LO12_NC 284 /* S + A */
113#define R_AARCH_LDST32_ABS_LO12_NC 285 /* S + A */
114#define R_AARCH_LDST64_ABS_LO12_NC 286 /* S + A */
115#define R_AARCH64_MOVW_PREL_G0 287 /* S + A - P */
116#define R_AARCH64_MOVW_PREL_G0_NC 288 /* S + A - P */
117#define R_AARCH64_MOVW_PREL_G1 289 /* S + A - P */
118#define R_AARCH64_MOVW_PREL_G1_NC 290 /* S + A - P */
119#define R_AARCH64_MOVW_PREL_G2 291 /* S + A - P */
120#define R_AARCH64_MOVW_PREL_G2_NC 292 /* S + A - P */
121#define R_AARCH64_MOVW_PREL_G3 293 /* S + A - P */
122
123#define R_AARCH64_LDST128_ABS_LO12_NC 299 /* S + A */
124#define R_AARCH64_MOVW_GOTOFF_G0 300 /* G(GDAT(S + A)) - GOT */
125#define R_AARCH64_MOVW_GOTOFF_G0_NC 301 /* G(GDAT(S + A)) - GOT */
126#define R_AARCH64_MOVW_GOTOFF_G1 302 /* G(GDAT(S + A)) - GOT */
127#define R_AARCH64_MOVW_GOTOFF_G1_NC 303 /* G(GDAT(S + A)) - GOT */
128#define R_AARCH64_MOVW_GOTOFF_G2 304 /* G(GDAT(S + A)) - GOT */
129#define R_AARCH64_MOVW_GOTOFF_G2_NC 305 /* G(GDAT(S + A)) - GOT */
130#define R_AARCH64_MOVW_GOTOFF_G3 306 /* G(GDAT(S + A)) - GOT */
131#define R_AARCH64_GOTREL64 307 /* S + A - GOT */
132#define R_AARCH64_GOTREL32 308 /* S + A - GOT */
133#define R_AARCH64_GOT_LD_PREL19 309 /* G(GDAT(S + A)) - P */
134#define R_AARCH64_LD64_GOTOFF_LO15 310 /* G(GDAT(S + A)) - GOT */
135#define R_AARCH64_ADR_GOT_PAGE 311 /* Page(G(GDAT(S + A))) - Page(GOT) */
136#define R_AARCH64_LD64_GOT_LO12_NC 312 /* G(GDAT(S + A)) */
137#define R_AARCH64_LD64_GOTPAGE_LO15 313 /* G(GDAT(S + A)) - Page(GOT) */
138
139#define R_AARCH64_TLSGD_ADR_PREL21 512 /* G(GTLSIDX(S,A)) - P */
140#define R_AARCH64_TLSGD_ADR_PAGE21 513 /* Page(G(GTLSIDX(S,A))) - Page(P) */
141#define R_AARCH64_TLSGD_ADD_LO12_NC 514 /* G(GTLSIDX(S,A)) */
142#define R_AARCH64_TLSGD_MOVW_G1 515 /* G(GTLSIDX(S,A)) - GOT */
143#define R_AARCH64_TLSGD_MOVW_G0_NV 516 /* G(GTLSIDX(S,A)) - GOT */
144#define R_AARCH64_TLSLD_ADR_PREL21 517 /* G(GLDM(S,A)) - P */
145#define R_AARCH64_TLSLD_ADR_PAGE21 518 /* Page(G(GLDM(S))) - Page(P) */
146#define R_AARCH64_TLSLD_ADD_LO12_NC 519 /* G(GLDM(S)) */
147#define R_AARCH64_TLSLD_MOVW_G1 520 /* G(GLDM(S)) - GOT */
148#define R_AARCH64_TLSLD_MOVW_G0_NC 521 /* G(GLDM(S)) - GOT */
149#define R_AARCH64_TLSLD_LD_PREL21 522 /* G(GLDM(S)) - P */
150#define R_AARCH64_TLSLD_MOVW_DTPREL_G2 523 /* DTPREL(S+A) */
151#define R_AARCH64_TLSLD_MOVW_DTPREL_G1 524 /* DTPREL(S+A) */
152#define R_AARCH64_TLSLD_MOVW_DTPREL_G1_NC 525 /* DTPREL(S+A) */
153#define R_AARCH64_TLSLD_MOVW_DTPREL_G0 526 /* DTPREL(S+A) */
154#define R_AARCH64_TLSLD_MOVW_DTPREL_G0_NC 528 /* DTPREL(S+A) */
155#define R_AARCH64_TLSLD_ADD_DTPREL_HI12 528 /* DTPREL(S+A) */
156#define R_AARCH64_TLSLD_ADD_DTPREL_HI12 528 /* DTPREL(S+A) */
157#define R_AARCH64_TLSLD_ADD_DTPREL_LO12 529 /* DTPREL(S+A) */
158#define R_AARCH64_TLSLD_ADD_DTPREL_LO12_NC 530 /* DTPREL(S+A) */
159#define R_AARCH64_TLSLD_LDST8_DTPREL_LO12 531 /* DTPREL(S+A) */
160#define R_AARCH64_TLSLD_LDST8_DTPREL_LO12_NC 532 /* DTPREL(S+A) */
161#define R_AARCH64_TLSLD_LDST16_DTPREL_LO12 533 /* DTPREL(S+A) */
162#define R_AARCH64_TLSLD_LDST16_DTPREL_LO12_NC 534 /* DTPREL(S+A) */
163#define R_AARCH64_TLSLD_LDST32_DTPREL_LO12 535 /* DTPREL(S+A) */
164#define R_AARCH64_TLSLD_LDST32_DTPREL_LO12_NC 536 /* DTPREL(S+A) */
165#define R_AARCH64_TLSLD_LDST64_DTPREL_LO12 537 /* DTPREL(S+A) */
166#define R_AARCH64_TLSLD_LDST64_DTPREL_LO12_NC 538 /* DTPREL(S+A) */
167#define R_AARCH64_TLSIE_MOVW_GOTTPREL_G1 539 /* G(GTPREL(S+A)) - GOT */
168#define R_AARCH64_TLSIE_MOVW_GOTTPREL_G0_NC 540 /* G(GTPREL(S+A)) - GOT */
169#define R_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21 541 /* Page(G(GTPREL(S+A))) - Page(P) */
170#define R_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC 542 /* G(GTPREL(S+A)) */
171#define R_AARCH64_TLSIE_LD_GOTTPREL_PREL19 543 /* G(GTPREL(S+A)) - P */
172#define R_AARCH64_TLSLE_MOVW_TPREL_G2 544 /* TPREL(S+A) */
173#define R_AARCH64_MOVW_TPREL_G1 545 /* TPREL(S+A) */
174#define R_AARCH64_MOVW_TPREL_G1_NC 546 /* TPREL(S+A) */
175#define R_AARCH64_MOVW_TPREL_G0 547 /* TPREL(S+A) */
176#define R_AARCH64_MOVW_TPREL_G0_NC 548 /* TPREL(S+A) */
177#define R_AARCH64_ADD_TPREL_HI12 549 /* TPREL(S+A) */
178#define R_AARCH64_ADD_TPREL_LO12 550 /* TPREL(S+A) */
179#define R_AARCH64_ADD_TPREL_LO12_NC 551 /* TPREL(S+A) */
180#define R_AARCH64_LDST8_TPREL_LO12 552 /* TPREL(S+A) */
181#define R_AARCH64_LDST8_TPREL_LO12_NC 553 /* TPREL(S+A) */
182#define R_AARCH64_LDST16_TPREL_LO12 554 /* TPREL(S+A) */
183#define R_AARCH64_LDST16_TPREL_LO12_NC 555 /* TPREL(S+A) */
184#define R_AARCH64_LDST32_TPREL_LO12 556 /* TPREL(S+A) */
185#define R_AARCH64_LDST32_TPREL_LO12_NC 557 /* TPREL(S+A) */
186#define R_AARCH64_LDST64_TPREL_LO12 558 /* TPREL(S+A) */
187#define R_AARCH64_LDST64_TPREL_LO12_NC 559 /* TPREL(S+A) */
188#define R_AARCH64_TLSDESC_LD_PREL19 560 /* G(GTLSDESC(S+A)) - P */
189#define R_AARCH64_TLSDESC_LD_PREL21 561 /* G(GTLSDESC(S+A)) - P */
190#define R_AARCH64_TLSDESC_LD_PAGE21 562 /* Page(G(GTLSDESC(S+A))) - Page(P) */
191#define R_AARCH64_TLSDESC_LD64_LO12 563 /* G(GTLSDESC(S+A)) */
192#define R_AARCH64_TLSDESC_ADD_LO12 564 /* G(GTLSDESC(S+A)) */
193#define R_AARCH64_TLSDESC_OFF_G1 565 /* G(GTLSDESC(S+A)) - GOT */
194#define R_AARCH64_TLSDESC_OFF_G0_NC 566 /* G(GTLSDESC(S+A)) - GOT */
195#define R_AARCH64_TLSDESC_LDR 567 /* */
196#define R_AARCH64_TLSDESC_ADD 568 /* */
197#define R_AARCH64_TLSDESC_CALL 569 /* */
198#define R_AARCH64_TLSLE_LDST128_TPREL_LO12 570 /* TPREL(S+A) */
199#define R_AARCH64_TLSLE_LDST128_TPREL_LO12_NC 571 /* TPREL(S+A) */
200#define R_AARCH64_TLSLD_LDST128_DTPREL_LO12 572 /* DTPREL(S+A) */
201#define R_AARCH64_TLSLD_LDST128_DTPREL_LO12_NC 573 /* DTPREL(S+A) */
202
203/* Dynamic Relocations */
204#define R_AARCH64_P32_COPY 180
205#define R_AARCH64_P32_GLOB_DAT 181 /* S + A */
206#define R_AARCH64_P32_JUMP_SLOT 182 /* S + A */
207#define R_AARCH64_P32_RELATIVE 183 /* Delta(S) + A */
208#define R_AARCH64_P32_TLS_DTPREL 184 /* DTPREL(S+A) */
209#define R_AARCH64_P32_TLS_DTPMOD 185 /* LBM(S) */
210#define R_AARCH64_P32_TLS_TPREL 186 /* TPREL(S+A) */
211#define R_AARCH64_P32_TLSDESC 187 /* TLSDESC(S+A) */
212#define R_AARCH64_P32_IRELATIVE 188 /* Indirect(Delta(S) + A) */
213
214#define R_AARCH64_COPY 1024
215#define R_AARCH64_GLOB_DAT 1025 /* S + A */
216#define R_AARCH64_JUMP_SLOT 1026 /* S + A */
217#define R_AARCH64_RELATIVE 1027 /* Delta(S) + A */
218#define R_AARCH64_TLS_DTPREL64 1028 /* DTPREL(S+A) */
219#define R_AARCH64_TLS_DTPMOD64 1029 /* LBM(S) */
220#define R_AARCH64_TLS_TPREL64 1030 /* TPREL(S+A) */
221#define R_AARCH64_TLSDESC 1031 /* TLSDESC(S+A) */
222#define R_AARCH64_IRELATIVE 1032 /* Indirect(Delta(S) + A) */
223
224#define R_TYPE(name) R_AARCH64_ ## name
225#define R_TLS_TYPE(name) R_AARCH64_ ## name ## 64
226
227/* Processor specific program header types */
228#define PT_AARCH64_ARCHEXT (PT_LOPROC + 0)
229#define PT_AARCH64_UNWIND (PT_LOPROC + 1)
230
231/* Processor specific section header flags */
232#define SHF_ENTRYSECT 0x10000000
233#define SHF_COMDEF 0x80000000
234
235#define SHT_AARCH64_ATTRIBUTES (SHT_LOPROC + 3)
236
237#ifdef _KERNEL
238#ifdef ELFSIZE
239#define ELF_MD_PROBE_FUNC ELFNAME2(aarch64_netbsd,probe)
240#endif
241
242struct exec_package;
243
244int aarch64_netbsd_elf64_probe(struct lwp *, struct exec_package *, void *,
245 char *, vaddr_t *);
246int aarch64_netbsd_elf32_probe(struct lwp *, struct exec_package *, void *,
247 char *, vaddr_t *);
248#endif
249
250#elif defined(__arm__)
251
252#include <arm/elf_machdep.h>
253
254#endif
255
256#endif /* _AARCH64_ELF_MACHDEP_H_ */