/* $NetBSD: elf_machdep.h,v 1.8 2025/11/28 19:12:58 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(_SYS_ELFDEFINITIONS_H_)
/*
 * Symbols that are part of the ELF psABI.
 */

/* 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

/* 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       527     /* 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) */

/* 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)

#endif /* !defined(_SYS_ELFDEFINITIONS_H_) */

/*
 * Local symbols.
 */

#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

#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 */


#define R_TYPE(name)            R_AARCH64_ ## name
#define R_TLS_TYPE(name)        R_AARCH64_ ## name ## 64

#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_ */