2 * Copyright (c) 2013 M. Warner Losh. All Rights Reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * Copyright (c) 2013 The NetBSD Foundation, Inc.
30 * All rights reserved.
32 * Redistribution and use in source and binary forms, with or without
33 * modification, are permitted provided that the following conditions
35 * 1. Redistributions of source code must retain the above copyright
36 * notice, this list of conditions and the following disclaimer.
37 * 2. Redistributions in binary form must reproduce the above copyright
38 * notice, this list of conditions and the following disclaimer in the
39 * documentation and/or other materials provided with the distribution.
41 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
42 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
43 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
44 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
45 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
46 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
47 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
48 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
49 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
50 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
51 * POSSIBILITY OF SUCH DAMAGE.
53 * See below starting with the line with $NetBSD...$ for code this applies to.
59 /* FreeBSD specific bits - derived from FreeBSD specific files and changes to old elf.h */
62 * Define __ELF_WORD_SIZE based on the ABI, if not defined yet. This sets
63 * the proper defaults when we're not trying to do 32-bit on 64-bit systems.
64 * We include both 32 and 64 bit versions so we can support multiple ABIs.
66 #ifndef __ELF_WORD_SIZE
67 #if defined(__mips_n64)
68 #define __ELF_WORD_SIZE 64
70 #define __ELF_WORD_SIZE 32
73 #include <sys/elf32.h>
74 #include <sys/elf64.h>
75 #include <sys/elf_generic.h>
77 #define ELF_ARCH EM_MIPS
78 #define ELF_ARCH32 EM_MIPS
80 #define ELF_MACHINE_OK(x) ((x) == ELF_ARCH)
82 /* Define "machine" characteristics */
83 #if __ELF_WORD_SIZE == 32
84 #define ELF_TARG_CLASS ELFCLASS32
86 #define ELF_TARG_CLASS ELFCLASS64
89 #define ELF_TARG_DATA ELFDATA2MSB
91 #define ELF_TARG_DATA ELFDATA2LSB
93 #define ELF_TARG_MACH EM_MIPS
94 #define ELF_TARG_VER 1
97 * Auxiliary vector entries for passing information to the interpreter.
99 * The i386 supplement to the SVR4 ABI specification names this "auxv_t",
100 * but POSIX lays claim to all symbols ending with "_t".
102 typedef struct { /* Auxiliary vector entry on initial stack */
103 int a_type; /* Entry type. */
105 int a_val; /* Integer value. */
106 void *a_ptr; /* Address. */
107 void (*a_fcn)(void); /* Function pointer (not used). */
111 typedef struct { /* Auxiliary vector entry on initial stack */
112 long a_type; /* Entry type. */
114 long a_val; /* Integer value. */
115 void *a_ptr; /* Address. */
116 void (*a_fcn)(void); /* Function pointer (not used). */
122 /* Values for a_type. */
123 #define AT_NULL 0 /* Terminates the vector. */
124 #define AT_IGNORE 1 /* Ignored entry. */
125 #define AT_EXECFD 2 /* File descriptor of program to load. */
126 #define AT_PHDR 3 /* Program header of program already loaded. */
127 #define AT_PHENT 4 /* Size of each program header entry. */
128 #define AT_PHNUM 5 /* Number of program header entries. */
129 #define AT_PAGESZ 6 /* Page size in bytes. */
130 #define AT_BASE 7 /* Interpreter's base address. */
131 #define AT_FLAGS 8 /* Flags (unused for i386). */
132 #define AT_ENTRY 9 /* Where interpreter should transfer control. */
133 #define AT_NOTELF 10 /* Program is not ELF ?? */
134 #define AT_UID 11 /* Real uid. */
135 #define AT_EUID 12 /* Effective uid. */
136 #define AT_GID 13 /* Real gid. */
137 #define AT_EGID 14 /* Effective gid. */
138 #define AT_EXECPATH 15 /* Path to the executable. */
139 #define AT_CANARY 16 /* Canary for SSP */
140 #define AT_CANARYLEN 17 /* Length of the canary. */
141 #define AT_OSRELDATE 18 /* OSRELDATE. */
142 #define AT_NCPUS 19 /* Number of CPUs. */
143 #define AT_PAGESIZES 20 /* Pagesizes. */
144 #define AT_PAGESIZESLEN 21 /* Number of pagesizes. */
145 #define AT_TIMEKEEP 22 /* Pointer to timehands. */
146 #define AT_STACKPROT 23 /* Initial stack protection. */
148 #define AT_COUNT 24 /* Count of defined aux entry types. */
150 #define ET_DYN_LOAD_ADDR 0x0120000
153 * Constant to mark start of symtab/strtab saved by trampoline
155 #define SYMTAB_MAGIC 0x64656267
157 /* from NetBSD's sys/mips/include/elf_machdep.h $NetBSD: elf_machdep.h,v 1.18 2013/05/23 21:39:49 christos Exp $ */
161 #define R_MIPS_NONE 0
164 #define R_MIPS_REL32 3
165 #define R_MIPS_REL R_MIPS_REL32
167 #define R_MIPS_HI16 5 /* high 16 bits of symbol value */
168 #define R_MIPS_LO16 6 /* low 16 bits of symbol value */
169 #define R_MIPS_GPREL16 7 /* GP-relative reference */
170 #define R_MIPS_LITERAL 8 /* Reference to literal section */
171 #define R_MIPS_GOT16 9 /* Reference to global offset table */
172 #define R_MIPS_GOT R_MIPS_GOT16
173 #define R_MIPS_PC16 10 /* 16 bit PC relative reference */
174 #define R_MIPS_CALL16 11 /* 16 bit call thru glbl offset tbl */
175 #define R_MIPS_CALL R_MIPS_CALL16
176 #define R_MIPS_GPREL32 12
178 /* 13, 14, 15 are not defined at this point. */
179 #define R_MIPS_UNUSED1 13
180 #define R_MIPS_UNUSED2 14
181 #define R_MIPS_UNUSED3 15
184 * The remaining relocs are apparently part of the 64-bit Irix ELF ABI.
186 #define R_MIPS_SHIFT5 16
187 #define R_MIPS_SHIFT6 17
190 #define R_MIPS_GOT_DISP 19
191 #define R_MIPS_GOT_PAGE 20
192 #define R_MIPS_GOT_OFST 21
193 #define R_MIPS_GOT_HI16 22
194 #define R_MIPS_GOT_LO16 23
195 #define R_MIPS_SUB 24
196 #define R_MIPS_INSERT_A 25
197 #define R_MIPS_INSERT_B 26
198 #define R_MIPS_DELETE 27
199 #define R_MIPS_HIGHER 28
200 #define R_MIPS_HIGHEST 29
201 #define R_MIPS_CALL_HI16 30
202 #define R_MIPS_CALL_LO16 31
203 #define R_MIPS_SCN_DISP 32
204 #define R_MIPS_REL16 33
205 #define R_MIPS_ADD_IMMEDIATE 34
206 #define R_MIPS_PJUMP 35
207 #define R_MIPS_RELGOT 36
208 #define R_MIPS_JALR 37
209 /* TLS relocations */
211 #define R_MIPS_TLS_DTPMOD32 38 /* Module number 32 bit */
212 #define R_MIPS_TLS_DTPREL32 39 /* Module-relative offset 32 bit */
213 #define R_MIPS_TLS_DTPMOD64 40 /* Module number 64 bit */
214 #define R_MIPS_TLS_DTPREL64 41 /* Module-relative offset 64 bit */
215 #define R_MIPS_TLS_GD 42 /* 16 bit GOT offset for GD */
216 #define R_MIPS_TLS_LDM 43 /* 16 bit GOT offset for LDM */
217 #define R_MIPS_TLS_DTPREL_HI16 44 /* Module-relative offset, high 16 bits */
218 #define R_MIPS_TLS_DTPREL_LO16 45 /* Module-relative offset, low 16 bits */
219 #define R_MIPS_TLS_GOTTPREL 46 /* 16 bit GOT offset for IE */
220 #define R_MIPS_TLS_TPREL32 47 /* TP-relative offset, 32 bit */
221 #define R_MIPS_TLS_TPREL64 48 /* TP-relative offset, 64 bit */
222 #define R_MIPS_TLS_TPREL_HI16 49 /* TP-relative offset, high 16 bits */
223 #define R_MIPS_TLS_TPREL_LO16 50 /* TP-relative offset, low 16 bits */
225 #define R_MIPS_max 51
227 #define R_TYPE(name) __CONCAT(R_MIPS_,name)
229 #define R_MIPS16_min 100
230 #define R_MIPS16_26 100
231 #define R_MIPS16_GPREL 101
232 #define R_MIPS16_GOT16 102
233 #define R_MIPS16_CALL16 103
234 #define R_MIPS16_HI16 104
235 #define R_MIPS16_LO16 105
236 #define R_MIPS16_max 106
238 #define R_MIPS_COPY 126
239 #define R_MIPS_JUMP_SLOT 127
245 #define EF_MIPS_ARCH_1 0x00000000 /* -mips1 code */
246 #define EF_MIPS_ARCH_2 0x10000000 /* -mips2 code */
247 #define EF_MIPS_ARCH_3 0x20000000 /* -mips3 code */
248 #define EF_MIPS_ARCH_4 0x30000000 /* -mips4 code */
249 #define EF_MIPS_ARCH_5 0x40000000 /* -mips5 code */
250 #define EF_MIPS_ARCH_32 0x50000000 /* -mips32 code */
251 #define EF_MIPS_ARCH_64 0x60000000 /* -mips64 code */
252 #define EF_MIPS_ARCH_32R2 0x70000000 /* -mips32r2 code */
253 #define EF_MIPS_ARCH_64R2 0x80000000 /* -mips64r2 code */
255 #define EF_MIPS_ABI 0x0000f000
256 #define EF_MIPS_ABI_O32 0x00001000
257 #define EF_MIPS_ABI_O64 0x00002000
258 #define EF_MIPS_ABI_EABI32 0x00003000
259 #define EF_MIPS_ABI_EABI64 0x00004000
261 #endif /* __MIPS_ELF_H */