2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD AND BSD-2-Clause-NetBSD
4 * Copyright (c) 2013 M. Warner Losh <imp@FreeBSD.org>
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * Copyright (c) 2013 The NetBSD Foundation, Inc.
32 * All rights reserved.
34 * Redistribution and use in source and binary forms, with or without
35 * modification, are permitted provided that the following conditions
37 * 1. Redistributions of source code must retain the above copyright
38 * notice, this list of conditions and the following disclaimer.
39 * 2. Redistributions in binary form must reproduce the above copyright
40 * notice, this list of conditions and the following disclaimer in the
41 * documentation and/or other materials provided with the distribution.
43 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
44 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
45 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
46 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
47 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
48 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
49 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
50 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
51 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
52 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
53 * POSSIBILITY OF SUCH DAMAGE.
55 * See below starting with the line with $NetBSD...$ for code this applies to.
61 /* FreeBSD specific bits - derived from FreeBSD specific files and changes to old elf.h */
64 * Define __ELF_WORD_SIZE based on the ABI, if not defined yet. This sets
65 * the proper defaults when we're not trying to do 32-bit on 64-bit systems.
66 * We include both 32 and 64 bit versions so we can support multiple ABIs.
68 #ifndef __ELF_WORD_SIZE
69 #if defined(__mips_n64)
70 #define __ELF_WORD_SIZE 64
72 #define __ELF_WORD_SIZE 32
75 #include <sys/elf32.h>
76 #include <sys/elf64.h>
77 #include <sys/elf_generic.h>
79 #define ELF_ARCH EM_MIPS
80 #define ELF_ARCH32 EM_MIPS
82 #define ELF_MACHINE_OK(x) ((x) == ELF_ARCH)
84 /* Define "machine" characteristics */
85 #if __ELF_WORD_SIZE == 32
86 #define ELF_TARG_CLASS ELFCLASS32
88 #define ELF_TARG_CLASS ELFCLASS64
91 #define ELF_TARG_DATA ELFDATA2MSB
93 #define ELF_TARG_DATA ELFDATA2LSB
95 #define ELF_TARG_MACH EM_MIPS
96 #define ELF_TARG_VER 1
99 * Auxiliary vector entries for passing information to the interpreter.
101 * The i386 supplement to the SVR4 ABI specification names this "auxv_t",
102 * but POSIX lays claim to all symbols ending with "_t".
104 typedef struct { /* Auxiliary vector entry on initial stack */
105 int a_type; /* Entry type. */
107 int a_val; /* Integer value. */
108 void *a_ptr; /* Address. */
109 void (*a_fcn)(void); /* Function pointer (not used). */
113 typedef struct { /* Auxiliary vector entry on initial stack */
114 long a_type; /* Entry type. */
116 long a_val; /* Integer value. */
117 void *a_ptr; /* Address. */
118 void (*a_fcn)(void); /* Function pointer (not used). */
124 #define ET_DYN_LOAD_ADDR 0x0120000
127 * Constant to mark start of symtab/strtab saved by trampoline
129 #define SYMTAB_MAGIC 0x64656267
131 /* from NetBSD's sys/mips/include/elf_machdep.h $NetBSD: elf_machdep.h,v 1.18 2013/05/23 21:39:49 christos Exp $ */
135 #define R_MIPS_NONE 0
138 #define R_MIPS_REL32 3
139 #define R_MIPS_REL R_MIPS_REL32
141 #define R_MIPS_HI16 5 /* high 16 bits of symbol value */
142 #define R_MIPS_LO16 6 /* low 16 bits of symbol value */
143 #define R_MIPS_GPREL16 7 /* GP-relative reference */
144 #define R_MIPS_LITERAL 8 /* Reference to literal section */
145 #define R_MIPS_GOT16 9 /* Reference to global offset table */
146 #define R_MIPS_GOT R_MIPS_GOT16
147 #define R_MIPS_PC16 10 /* 16 bit PC relative reference */
148 #define R_MIPS_CALL16 11 /* 16 bit call thru glbl offset tbl */
149 #define R_MIPS_CALL R_MIPS_CALL16
150 #define R_MIPS_GPREL32 12
152 /* 13, 14, 15 are not defined at this point. */
153 #define R_MIPS_UNUSED1 13
154 #define R_MIPS_UNUSED2 14
155 #define R_MIPS_UNUSED3 15
158 * The remaining relocs are apparently part of the 64-bit Irix ELF ABI.
160 #define R_MIPS_SHIFT5 16
161 #define R_MIPS_SHIFT6 17
164 #define R_MIPS_GOT_DISP 19
165 #define R_MIPS_GOT_PAGE 20
166 #define R_MIPS_GOT_OFST 21
167 #define R_MIPS_GOT_HI16 22
168 #define R_MIPS_GOT_LO16 23
169 #define R_MIPS_SUB 24
170 #define R_MIPS_INSERT_A 25
171 #define R_MIPS_INSERT_B 26
172 #define R_MIPS_DELETE 27
173 #define R_MIPS_HIGHER 28
174 #define R_MIPS_HIGHEST 29
175 #define R_MIPS_CALL_HI16 30
176 #define R_MIPS_CALL_LO16 31
177 #define R_MIPS_SCN_DISP 32
178 #define R_MIPS_REL16 33
179 #define R_MIPS_ADD_IMMEDIATE 34
180 #define R_MIPS_PJUMP 35
181 #define R_MIPS_RELGOT 36
182 #define R_MIPS_JALR 37
183 /* TLS relocations */
185 #define R_MIPS_TLS_DTPMOD32 38 /* Module number 32 bit */
186 #define R_MIPS_TLS_DTPREL32 39 /* Module-relative offset 32 bit */
187 #define R_MIPS_TLS_DTPMOD64 40 /* Module number 64 bit */
188 #define R_MIPS_TLS_DTPREL64 41 /* Module-relative offset 64 bit */
189 #define R_MIPS_TLS_GD 42 /* 16 bit GOT offset for GD */
190 #define R_MIPS_TLS_LDM 43 /* 16 bit GOT offset for LDM */
191 #define R_MIPS_TLS_DTPREL_HI16 44 /* Module-relative offset, high 16 bits */
192 #define R_MIPS_TLS_DTPREL_LO16 45 /* Module-relative offset, low 16 bits */
193 #define R_MIPS_TLS_GOTTPREL 46 /* 16 bit GOT offset for IE */
194 #define R_MIPS_TLS_TPREL32 47 /* TP-relative offset, 32 bit */
195 #define R_MIPS_TLS_TPREL64 48 /* TP-relative offset, 64 bit */
196 #define R_MIPS_TLS_TPREL_HI16 49 /* TP-relative offset, high 16 bits */
197 #define R_MIPS_TLS_TPREL_LO16 50 /* TP-relative offset, low 16 bits */
199 #define R_MIPS_max 51
201 #define R_TYPE(name) __CONCAT(R_MIPS_,name)
203 #define R_MIPS16_min 100
204 #define R_MIPS16_26 100
205 #define R_MIPS16_GPREL 101
206 #define R_MIPS16_GOT16 102
207 #define R_MIPS16_CALL16 103
208 #define R_MIPS16_HI16 104
209 #define R_MIPS16_LO16 105
210 #define R_MIPS16_max 106
212 #define R_MIPS_COPY 126
213 #define R_MIPS_JUMP_SLOT 127
215 #endif /* __MIPS_ELF_H */