/* $NetBSD: elf_machdep.h,v 1.5 2022/05/30 21:18:37 jkoshy Exp $ */
/*-
* Copyright (c) 2014 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Matt Thomas of 3am Software Foundry.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _AARCH64_ELF_MACHDEP_H_
#define _AARCH64_ELF_MACHDEP_H_
#ifdef __aarch64__
#if defined(__AARCH64EB__)
#define ELF64_MACHDEP_ENDIANNESS ELFDATA2MSB
#define ELF32_MACHDEP_ENDIANNESS ELFDATA2MSB
#else
#define ELF64_MACHDEP_ENDIANNESS ELFDATA2LSB
#define ELF32_MACHDEP_ENDIANNESS ELFDATA2LSB
#endif
/* Processor specific flags for the ELF header e_flags field. */
#define EF_ARM_RELEXEC 0x00000001
#define EF_ARM_HASENTRY 0x00000002
#define EF_ARM_INTERWORK 0x00000004 /* GNU binutils 000413 */
#define EF_ARM_SYMSARESORTED 0x00000004 /* ARM ELF A08 */
#define EF_ARM_APCS_26 0x00000008 /* GNU binutils 000413 */
#define EF_ARM_DYNSYMSUSESEGIDX 0x00000008 /* ARM ELF B01 */
#define EF_ARM_APCS_FLOAT 0x00000010 /* GNU binutils 000413 */
#define EF_ARM_MAPSYMSFIRST 0x00000010 /* ARM ELF B01 */
#define EF_ARM_PIC 0x00000020
#define EF_ARM_ALIGN8 0x00000040 /* 8-bit structure alignment. */
#define EF_ARM_NEW_ABI 0x00000080
#define EF_ARM_OLD_ABI 0x00000100
#define EF_ARM_SOFT_FLOAT 0x00000200
#define EF_ARM_BE8 0x00800000
#define EF_ARM_EABIMASK 0xff000000
#define EF_ARM_EABI_VER1 0x01000000
#define EF_ARM_EABI_VER2 0x02000000
#define EF_ARM_EABI_VER3 0x03000000
#define EF_ARM_EABI_VER4 0x04000000
#define EF_ARM_EABI_VER5 0x05000000
#define ELF32_MACHDEP_ID_CASES \
case EM_ARM: \
break;
#define ELF64_MACHDEP_ID_CASES \
case EM_AARCH64: \
break;
#define ELF64_MACHDEP_ID EM_AARCH64
#define ELF32_MACHDEP_ID EM_ARM
#define KERN_ELFSIZE 64
#define ARCH_ELFSIZE 64 /* MD native binary size */
/* Processor specific relocation types */
#define R_AARCH64_NONE 0
#define R_AARCH64_NONE2 256
#define R_AARCH64_ABS64 257 /* S + A */
#define R_AARCH64_ABS32 258 /* S + A */
#define R_AARCH64_ABS16 259 /* S + A */
#define R_AARCH64_PREL64 260 /* S + A - P */
#define R_AARCH64_PREL32 261 /* S + A - P */
#define R_AARCH64_PREL16 262 /* S + A - P */
#define R_AARCH64_MOVW_UABS_G0 263 /* S + A [bits 0..15] */
#define R_AARCH64_MOVW_UABS_G0_NC 264 /* S + A [bits 0..15] */
#define R_AARCH64_MOVW_UABS_G1 265 /* S + A [bits 16..31] */
#define R_AARCH64_MOVW_UABS_G1_NC 266 /* S + A [bits 16..31] */
#define R_AARCH64_MOVW_UABS_G2 267 /* S + A [bits 32..47] */
#define R_AARCH64_MOVW_UABS_G2_NC 268 /* S + A [bits 32..47] */
#define R_AARCH64_MOVW_UABS_G3 269 /* S + A [bits 48..63] */
#define R_AARCH64_MOVW_SABS_G0 270 /* S + A [bits 0..15] */
#define R_AARCH64_MOVW_SABS_G1 271 /* S + A [bits 16..31] */
#define R_AARCH64_MOVW_SABS_G2 272 /* S + A [bits 32..47] */
#define R_AARCH64_LD_PREL_LO19 273 /* S + A - P */
#define R_AARCH64_ADR_PREL_LO21 274 /* S + A - P */
#define R_AARCH64_ADR_PREL_PG_HI21 275 /* Page(S + A) - Page(P) */
#define R_AARCH64_ADR_PREL_PG_HI21_NC 276 /* Page(S + A) - Page(P) */
#define R_AARCH64_ADD_ABS_LO12_NC 277 /* S + A */
#define R_AARCH64_LDST8_ABS_LO12_NC 278 /* S + A */
#define R_AARCH_TSTBR14 279 /* S + A - P */
#define R_AARCH_CONDBR19 281 /* S + A - P */
#define R_AARCH_JUMP26 282 /* S + A - P */
#define R_AARCH_CALL26 283 /* S + A - P */
#define R_AARCH_LDST16_ABS_LO12_NC 284 /* S + A */
#define R_AARCH_LDST32_ABS_LO12_NC 285 /* S + A */
#define R_AARCH_LDST64_ABS_LO12_NC 286 /* S + A */
#define R_AARCH64_MOVW_PREL_G0 287 /* S + A - P */
#define R_AARCH64_MOVW_PREL_G0_NC 288 /* S + A - P */
#define R_AARCH64_MOVW_PREL_G1 289 /* S + A - P */
#define R_AARCH64_MOVW_PREL_G1_NC 290 /* S + A - P */
#define R_AARCH64_MOVW_PREL_G2 291 /* S + A - P */
#define R_AARCH64_MOVW_PREL_G2_NC 292 /* S + A - P */
#define R_AARCH64_MOVW_PREL_G3 293 /* S + A - P */
#define R_AARCH64_LDST128_ABS_LO12_NC 299 /* S + A */
#define R_AARCH64_MOVW_GOTOFF_G0 300 /* G(GDAT(S + A)) - GOT */
#define R_AARCH64_MOVW_GOTOFF_G0_NC 301 /* G(GDAT(S + A)) - GOT */
#define R_AARCH64_MOVW_GOTOFF_G1 302 /* G(GDAT(S + A)) - GOT */
#define R_AARCH64_MOVW_GOTOFF_G1_NC 303 /* G(GDAT(S + A)) - GOT */
#define R_AARCH64_MOVW_GOTOFF_G2 304 /* G(GDAT(S + A)) - GOT */
#define R_AARCH64_MOVW_GOTOFF_G2_NC 305 /* G(GDAT(S + A)) - GOT */
#define R_AARCH64_MOVW_GOTOFF_G3 306 /* G(GDAT(S + A)) - GOT */
#define R_AARCH64_GOTREL64 307 /* S + A - GOT */
#define R_AARCH64_GOTREL32 308 /* S + A - GOT */
#define R_AARCH64_GOT_LD_PREL19 309 /* G(GDAT(S + A)) - P */
#define R_AARCH64_LD64_GOTOFF_LO15 310 /* G(GDAT(S + A)) - GOT */
#define R_AARCH64_ADR_GOT_PAGE 311 /* Page(G(GDAT(S + A))) - Page(GOT) */
#define R_AARCH64_LD64_GOT_LO12_NC 312 /* G(GDAT(S + A)) */
#define R_AARCH64_LD64_GOTPAGE_LO15 313 /* G(GDAT(S + A)) - Page(GOT) */
#define R_AARCH64_TLSGD_ADR_PREL21 512 /* G(GTLSIDX(S,A)) - P */
#define R_AARCH64_TLSGD_ADR_PAGE21 513 /* Page(G(GTLSIDX(S,A))) - Page(P) */
#define R_AARCH64_TLSGD_ADD_LO12_NC 514 /* G(GTLSIDX(S,A)) */
#define R_AARCH64_TLSGD_MOVW_G1 515 /* G(GTLSIDX(S,A)) - GOT */
#define R_AARCH64_TLSGD_MOVW_G0_NV 516 /* G(GTLSIDX(S,A)) - GOT */
#define R_AARCH64_TLSLD_ADR_PREL21 517 /* G(GLDM(S,A)) - P */
#define R_AARCH64_TLSLD_ADR_PAGE21 518 /* Page(G(GLDM(S))) - Page(P) */
#define R_AARCH64_TLSLD_ADD_LO12_NC 519 /* G(GLDM(S)) */
#define R_AARCH64_TLSLD_MOVW_G1 520 /* G(GLDM(S)) - GOT */
#define R_AARCH64_TLSLD_MOVW_G0_NC 521 /* G(GLDM(S)) - GOT */
#define R_AARCH64_TLSLD_LD_PREL21 522 /* G(GLDM(S)) - P */
#define R_AARCH64_TLSLD_MOVW_DTPREL_G2 523 /* DTPREL(S+A) */
#define R_AARCH64_TLSLD_MOVW_DTPREL_G1 524 /* DTPREL(S+A) */
#define R_AARCH64_TLSLD_MOVW_DTPREL_G1_NC 525 /* DTPREL(S+A) */
#define R_AARCH64_TLSLD_MOVW_DTPREL_G0 526 /* DTPREL(S+A) */
#define R_AARCH64_TLSLD_MOVW_DTPREL_G0_NC 528 /* DTPREL(S+A) */
#define R_AARCH64_TLSLD_ADD_DTPREL_HI12 528 /* DTPREL(S+A) */
#define R_AARCH64_TLSLD_ADD_DTPREL_HI12 528 /* DTPREL(S+A) */
#define R_AARCH64_TLSLD_ADD_DTPREL_LO12 529 /* DTPREL(S+A) */
#define R_AARCH64_TLSLD_ADD_DTPREL_LO12_NC 530 /* DTPREL(S+A) */
#define R_AARCH64_TLSLD_LDST8_DTPREL_LO12 531 /* DTPREL(S+A) */
#define R_AARCH64_TLSLD_LDST8_DTPREL_LO12_NC 532 /* DTPREL(S+A) */
#define R_AARCH64_TLSLD_LDST16_DTPREL_LO12 533 /* DTPREL(S+A) */
#define R_AARCH64_TLSLD_LDST16_DTPREL_LO12_NC 534 /* DTPREL(S+A) */
#define R_AARCH64_TLSLD_LDST32_DTPREL_LO12 535 /* DTPREL(S+A) */
#define R_AARCH64_TLSLD_LDST32_DTPREL_LO12_NC 536 /* DTPREL(S+A) */
#define R_AARCH64_TLSLD_LDST64_DTPREL_LO12 537 /* DTPREL(S+A) */
#define R_AARCH64_TLSLD_LDST64_DTPREL_LO12_NC 538 /* DTPREL(S+A) */
#define R_AARCH64_TLSIE_MOVW_GOTTPREL_G1 539 /* G(GTPREL(S+A)) - GOT */
#define R_AARCH64_TLSIE_MOVW_GOTTPREL_G0_NC 540 /* G(GTPREL(S+A)) - GOT */
#define R_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21 541 /* Page(G(GTPREL(S+A))) - Page(P) */
#define R_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC 542 /* G(GTPREL(S+A)) */
#define R_AARCH64_TLSIE_LD_GOTTPREL_PREL19 543 /* G(GTPREL(S+A)) - P */
#define R_AARCH64_TLSLE_MOVW_TPREL_G2 544 /* TPREL(S+A) */
#define R_AARCH64_MOVW_TPREL_G1 545 /* TPREL(S+A) */
#define R_AARCH64_MOVW_TPREL_G1_NC 546 /* TPREL(S+A) */
#define R_AARCH64_MOVW_TPREL_G0 547 /* TPREL(S+A) */
#define R_AARCH64_MOVW_TPREL_G0_NC 548 /* TPREL(S+A) */
#define R_AARCH64_ADD_TPREL_HI12 549 /* TPREL(S+A) */
#define R_AARCH64_ADD_TPREL_LO12 550 /* TPREL(S+A) */
#define R_AARCH64_ADD_TPREL_LO12_NC 551 /* TPREL(S+A) */
#define R_AARCH64_LDST8_TPREL_LO12 552 /* TPREL(S+A) */
#define R_AARCH64_LDST8_TPREL_LO12_NC 553 /* TPREL(S+A) */
#define R_AARCH64_LDST16_TPREL_LO12 554 /* TPREL(S+A) */
#define R_AARCH64_LDST16_TPREL_LO12_NC 555 /* TPREL(S+A) */
#define R_AARCH64_LDST32_TPREL_LO12 556 /* TPREL(S+A) */
#define R_AARCH64_LDST32_TPREL_LO12_NC 557 /* TPREL(S+A) */
#define R_AARCH64_LDST64_TPREL_LO12 558 /* TPREL(S+A) */
#define R_AARCH64_LDST64_TPREL_LO12_NC 559 /* TPREL(S+A) */
#define R_AARCH64_TLSDESC_LD_PREL19 560 /* G(GTLSDESC(S+A)) - P */
#define R_AARCH64_TLSDESC_LD_PREL21 561 /* G(GTLSDESC(S+A)) - P */
#define R_AARCH64_TLSDESC_LD_PAGE21 562 /* Page(G(GTLSDESC(S+A))) - Page(P) */
#define R_AARCH64_TLSDESC_LD64_LO12 563 /* G(GTLSDESC(S+A)) */
#define R_AARCH64_TLSDESC_ADD_LO12 564 /* G(GTLSDESC(S+A)) */
#define R_AARCH64_TLSDESC_OFF_G1 565 /* G(GTLSDESC(S+A)) - GOT */
#define R_AARCH64_TLSDESC_OFF_G0_NC 566 /* G(GTLSDESC(S+A)) - GOT */
#define R_AARCH64_TLSDESC_LDR 567 /* */
#define R_AARCH64_TLSDESC_ADD 568 /* */
#define R_AARCH64_TLSDESC_CALL 569 /* */
#define R_AARCH64_TLSLE_LDST128_TPREL_LO12 570 /* TPREL(S+A) */
#define R_AARCH64_TLSLE_LDST128_TPREL_LO12_NC 571 /* TPREL(S+A) */
#define R_AARCH64_TLSLD_LDST128_DTPREL_LO12 572 /* DTPREL(S+A) */
#define R_AARCH64_TLSLD_LDST128_DTPREL_LO12_NC 573 /* DTPREL(S+A) */
/* Dynamic Relocations */
#define R_AARCH64_P32_COPY 180
#define R_AARCH64_P32_GLOB_DAT 181 /* S + A */
#define R_AARCH64_P32_JUMP_SLOT 182 /* S + A */
#define R_AARCH64_P32_RELATIVE 183 /* Delta(S) + A */
#define R_AARCH64_P32_TLS_DTPREL 184 /* DTPREL(S+A) */
#define R_AARCH64_P32_TLS_DTPMOD 185 /* LBM(S) */
#define R_AARCH64_P32_TLS_TPREL 186 /* TPREL(S+A) */
#define R_AARCH64_P32_TLSDESC 187 /* TLSDESC(S+A) */
#define R_AARCH64_P32_IRELATIVE 188 /* Indirect(Delta(S) + A) */
#define R_AARCH64_COPY 1024
#define R_AARCH64_GLOB_DAT 1025 /* S + A */
#define R_AARCH64_JUMP_SLOT 1026 /* S + A */
#define R_AARCH64_RELATIVE 1027 /* Delta(S) + A */
#define R_AARCH64_TLS_DTPREL64 1028 /* DTPREL(S+A) */
#define R_AARCH64_TLS_DTPMOD64 1029 /* LBM(S) */
#define R_AARCH64_TLS_TPREL64 1030 /* TPREL(S+A) */
#define R_AARCH64_TLSDESC 1031 /* TLSDESC(S+A) */
#define R_AARCH64_IRELATIVE 1032 /* Indirect(Delta(S) + A) */
#define R_TYPE(name) R_AARCH64_ ## name
#define R_TLS_TYPE(name) R_AARCH64_ ## name ## 64
/* Processor specific program header types */
#define PT_AARCH64_ARCHEXT (PT_LOPROC + 0)
#define PT_AARCH64_UNWIND (PT_LOPROC + 1)
/* Processor specific section header flags */
#define SHF_ENTRYSECT 0x10000000
#define SHF_COMDEF 0x80000000
#define SHT_AARCH64_ATTRIBUTES (SHT_LOPROC + 3)
#ifdef _KERNEL
#ifdef ELFSIZE
#define ELF_MD_PROBE_FUNC ELFNAME2(aarch64_netbsd,probe)
#endif
struct exec_package;
int aarch64_netbsd_elf64_probe(struct lwp *, struct exec_package *, void *,
char *, vaddr_t *);
int aarch64_netbsd_elf32_probe(struct lwp *, struct exec_package *, void *,
char *, vaddr_t *);
#endif
#elif defined(__arm__)
#include <arm/elf_machdep.h>
#endif
#endif /* _AARCH64_ELF_MACHDEP_H_ */