1 /* $NetBSD: elf_machdep.h,v 1.11 2025/12/04 21:51:10 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 _RISCV_ELF_MACHDEP_H_ 33 #define _RISCV_ELF_MACHDEP_H_ 34 35 #if !defined(_SYS_ELFDEFINITIONS_H_) 36 /* Processor specific flags for the ELF header e_flags field. */ 37 38 /* Processor specific relocation types */ 39 40 #define R_RISCV_NONE 0 41 #define R_RISCV_32 1 // A 42 #define R_RISCV_64 2 43 #define R_RISCV_RELATIVE 3 44 #define R_RISCV_COPY 4 45 #define R_RISCV_JMP_SLOT 5 46 #define R_RISCV_TLS_DTPMOD32 6 47 #define R_RISCV_TLS_DTPMOD64 7 48 #define R_RISCV_TLS_DTPREL32 8 49 #define R_RISCV_TLS_DTPREL64 9 50 #define R_RISCV_TLS_TPREL32 10 51 #define R_RISCV_TLS_TPREL64 11 52 53 /* The rest are not used by the dynamic linker */ 54 #define R_RISCV_BRANCH 16 // (A - P) & 0xffff 55 #define R_RISCV_JAL 17 // A & 0xff 56 #define R_RISCV_CALL 18 // (A - P) & 0xff 57 #define R_RISCV_CALL_PLT 19 58 #define R_RISCV_GOT_HI20 20 59 #define R_RISCV_TLS_GOT_HI20 21 60 #define R_RISCV_TLS_GD_HI20 22 61 #define R_RISCV_PCREL_HI20 23 62 #define R_RISCV_PCREL_LO12_I 24 63 #define R_RISCV_PCREL_LO12_S 25 64 #define R_RISCV_HI20 26 // A & 0xffff 65 #define R_RISCV_LO12_I 27 // (A >> 16) & 0xffff 66 #define R_RISCV_LO12_S 28 // (S + A - P) >> 2 67 #define R_RISCV_TPREL_HI20 29 68 #define R_RISCV_TPREL_LO12_I 30 69 #define R_RISCV_TPREL_LO12_S 31 70 #define R_RISCV_TPREL_ADD 32 71 #define R_RISCV_ADD8 33 72 #define R_RISCV_ADD16 34 73 #define R_RISCV_ADD32 35 74 #define R_RISCV_ADD64 36 75 #define R_RISCV_SUB8 37 76 #define R_RISCV_SUB16 38 77 #define R_RISCV_SUB32 39 78 #define R_RISCV_SUB64 40 79 #define R_RISCV_GNU_VTINHERIT 41 // A & 0xffff 80 #define R_RISCV_GNU_VTENTRY 42 81 #define R_RISCV_ALIGN 43 82 #define R_RISCV_RVC_BRANCH 44 83 #define R_RISCV_RVC_JUMP 45 84 #define R_RISCV_RVC_LUI 46 85 #define R_RISCV_GPREL_I 47 86 #define R_RISCV_GPREL_S 48 87 #define R_RISCV_TPREL_I 49 88 #define R_RISCV_TPREL_S 50 89 #define R_RISCV_RELAX 51 90 #define R_RISCV_SUB6 52 91 #define R_RISCV_SET6 53 92 #define R_RISCV_SET8 54 93 #define R_RISCV_SET16 55 94 #define R_RISCV_SET32 56 95 #define R_RISCV_32_PCREL 57 96 #endif /* !defined(_SYS_ELFDEFINITIONS_H_) */ 97 98 /* 99 * Local symbols. 100 */ 101 102 #define ELF32_MACHDEP_ID EM_RISCV 103 #define ELF64_MACHDEP_ID EM_RISCV 104 105 #define ELF32_MACHDEP_ENDIANNESS ELFDATA2LSB 106 #define ELF64_MACHDEP_ENDIANNESS ELFDATA2LSB 107 108 #define ELF32_MACHDEP_ID_CASES \ 109 case EM_RISCV: \ 110 break; 111 112 #define ELF64_MACHDEP_ID_CASES \ 113 case EM_RISCV: \ 114 break; 115 116 #ifdef _LP64 117 #define KERN_ELFSIZE 64 118 #define ARCH_ELFSIZE 64 /* MD native binary size */ 119 #else 120 #define KERN_ELFSIZE 32 121 #define ARCH_ELFSIZE 32 /* MD native binary size */ 122 #endif 123 124 /* These are aliases we can use R_TYPESZ */ 125 #define R_RISCV_ADDR32 R_RISCV_32 126 #define R_RISCV_ADDR64 R_RISCV_64 127 128 #define R_TYPE(name) R_RISCV_ ## name 129 #if ELFSIZE == 32 130 #define R_TYPESZ(name) R_RISCV_ ## name ## 32 131 #else 132 #define R_TYPESZ(name) R_RISCV_ ## name ## 64 133 #endif 134 135 #ifdef _KERNEL 136 #ifdef ELFSIZE 137 #define ELF_MD_PROBE_FUNC ELFNAME2(cpu_netbsd,probe) 138 #endif 139 140 struct exec_package; 141 142 int cpu_netbsd_elf32_probe(struct lwp *, struct exec_package *, void *, char *, 143 vaddr_t *); 144 145 int cpu_netbsd_elf64_probe(struct lwp *, struct exec_package *, void *, char *, 146 vaddr_t *); 147 148 #endif /* _KERNEL */ 149 150 #endif /* _RISCV_ELF_MACHDEP_H_ */ 151
Indexes created Wed Jul 01 00:25:26 UTC 2026