/* * Copyright (c) 2013 M. Warner Losh. All Rights Reserved. * * 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 AUTHOR 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 AUTHOR 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. * * $FreeBSD$ */ /*- * Copyright (c) 2013 The NetBSD Foundation, Inc. * All rights reserved. * * 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. * * See below starting with the line with $NetBSD...$ for code this applies to. */ #ifndef __MIPS_ELF_H #define __MIPS_ELF_H /* FreeBSD specific bits - derived from FreeBSD specific files and changes to old elf.h */ /* * Define __ELF_WORD_SIZE based on the ABI, if not defined yet. This sets * the proper defaults when we're not trying to do 32-bit on 64-bit systems. * We include both 32 and 64 bit versions so we can support multiple ABIs. */ #ifndef __ELF_WORD_SIZE #if defined(__mips_n64) #define __ELF_WORD_SIZE 64 #else #define __ELF_WORD_SIZE 32 #endif #endif #include #include #include #define ELF_ARCH EM_MIPS #define ELF_ARCH32 EM_MIPS #define ELF_MACHINE_OK(x) ((x) == ELF_ARCH) /* Define "machine" characteristics */ #if __ELF_WORD_SIZE == 32 #define ELF_TARG_CLASS ELFCLASS32 #else #define ELF_TARG_CLASS ELFCLASS64 #endif #ifdef __MIPSEB__ #define ELF_TARG_DATA ELFDATA2MSB #else #define ELF_TARG_DATA ELFDATA2LSB #endif #define ELF_TARG_MACH EM_MIPS #define ELF_TARG_VER 1 /* * Auxiliary vector entries for passing information to the interpreter. * * The i386 supplement to the SVR4 ABI specification names this "auxv_t", * but POSIX lays claim to all symbols ending with "_t". */ typedef struct { /* Auxiliary vector entry on initial stack */ int a_type; /* Entry type. */ union { int a_val; /* Integer value. */ void *a_ptr; /* Address. */ void (*a_fcn)(void); /* Function pointer (not used). */ } a_un; } Elf32_Auxinfo; typedef struct { /* Auxiliary vector entry on initial stack */ long a_type; /* Entry type. */ union { long a_val; /* Integer value. */ void *a_ptr; /* Address. */ void (*a_fcn)(void); /* Function pointer (not used). */ } a_un; } Elf64_Auxinfo; __ElfType(Auxinfo); /* Values for a_type. */ #define AT_NULL 0 /* Terminates the vector. */ #define AT_IGNORE 1 /* Ignored entry. */ #define AT_EXECFD 2 /* File descriptor of program to load. */ #define AT_PHDR 3 /* Program header of program already loaded. */ #define AT_PHENT 4 /* Size of each program header entry. */ #define AT_PHNUM 5 /* Number of program header entries. */ #define AT_PAGESZ 6 /* Page size in bytes. */ #define AT_BASE 7 /* Interpreter's base address. */ #define AT_FLAGS 8 /* Flags (unused for i386). */ #define AT_ENTRY 9 /* Where interpreter should transfer control. */ #define AT_NOTELF 10 /* Program is not ELF ?? */ #define AT_UID 11 /* Real uid. */ #define AT_EUID 12 /* Effective uid. */ #define AT_GID 13 /* Real gid. */ #define AT_EGID 14 /* Effective gid. */ #define AT_EXECPATH 15 /* Path to the executable. */ #define AT_CANARY 16 /* Canary for SSP */ #define AT_CANARYLEN 17 /* Length of the canary. */ #define AT_OSRELDATE 18 /* OSRELDATE. */ #define AT_NCPUS 19 /* Number of CPUs. */ #define AT_PAGESIZES 20 /* Pagesizes. */ #define AT_PAGESIZESLEN 21 /* Number of pagesizes. */ #define AT_TIMEKEEP 22 /* Pointer to timehands. */ #define AT_STACKPROT 23 /* Initial stack protection. */ #define AT_COUNT 24 /* Count of defined aux entry types. */ #define ET_DYN_LOAD_ADDR 0x0120000 /* * Constant to mark start of symtab/strtab saved by trampoline */ #define SYMTAB_MAGIC 0x64656267 /* from NetBSD's sys/mips/include/elf_machdep.h $NetBSD: elf_machdep.h,v 1.18 2013/05/23 21:39:49 christos Exp $ */ /* mips relocs. */ #define R_MIPS_NONE 0 #define R_MIPS_16 1 #define R_MIPS_32 2 #define R_MIPS_REL32 3 #define R_MIPS_REL R_MIPS_REL32 #define R_MIPS_26 4 #define R_MIPS_HI16 5 /* high 16 bits of symbol value */ #define R_MIPS_LO16 6 /* low 16 bits of symbol value */ #define R_MIPS_GPREL16 7 /* GP-relative reference */ #define R_MIPS_LITERAL 8 /* Reference to literal section */ #define R_MIPS_GOT16 9 /* Reference to global offset table */ #define R_MIPS_GOT R_MIPS_GOT16 #define R_MIPS_PC16 10 /* 16 bit PC relative reference */ #define R_MIPS_CALL16 11 /* 16 bit call thru glbl offset tbl */ #define R_MIPS_CALL R_MIPS_CALL16 #define R_MIPS_GPREL32 12 /* 13, 14, 15 are not defined at this point. */ #define R_MIPS_UNUSED1 13 #define R_MIPS_UNUSED2 14 #define R_MIPS_UNUSED3 15 /* * The remaining relocs are apparently part of the 64-bit Irix ELF ABI. */ #define R_MIPS_SHIFT5 16 #define R_MIPS_SHIFT6 17 #define R_MIPS_64 18 #define R_MIPS_GOT_DISP 19 #define R_MIPS_GOT_PAGE 20 #define R_MIPS_GOT_OFST 21 #define R_MIPS_GOT_HI16 22 #define R_MIPS_GOT_LO16 23 #define R_MIPS_SUB 24 #define R_MIPS_INSERT_A 25 #define R_MIPS_INSERT_B 26 #define R_MIPS_DELETE 27 #define R_MIPS_HIGHER 28 #define R_MIPS_HIGHEST 29 #define R_MIPS_CALL_HI16 30 #define R_MIPS_CALL_LO16 31 #define R_MIPS_SCN_DISP 32 #define R_MIPS_REL16 33 #define R_MIPS_ADD_IMMEDIATE 34 #define R_MIPS_PJUMP 35 #define R_MIPS_RELGOT 36 #define R_MIPS_JALR 37 /* TLS relocations */ #define R_MIPS_TLS_DTPMOD32 38 /* Module number 32 bit */ #define R_MIPS_TLS_DTPREL32 39 /* Module-relative offset 32 bit */ #define R_MIPS_TLS_DTPMOD64 40 /* Module number 64 bit */ #define R_MIPS_TLS_DTPREL64 41 /* Module-relative offset 64 bit */ #define R_MIPS_TLS_GD 42 /* 16 bit GOT offset for GD */ #define R_MIPS_TLS_LDM 43 /* 16 bit GOT offset for LDM */ #define R_MIPS_TLS_DTPREL_HI16 44 /* Module-relative offset, high 16 bits */ #define R_MIPS_TLS_DTPREL_LO16 45 /* Module-relative offset, low 16 bits */ #define R_MIPS_TLS_GOTTPREL 46 /* 16 bit GOT offset for IE */ #define R_MIPS_TLS_TPREL32 47 /* TP-relative offset, 32 bit */ #define R_MIPS_TLS_TPREL64 48 /* TP-relative offset, 64 bit */ #define R_MIPS_TLS_TPREL_HI16 49 /* TP-relative offset, high 16 bits */ #define R_MIPS_TLS_TPREL_LO16 50 /* TP-relative offset, low 16 bits */ #define R_MIPS_max 51 #define R_TYPE(name) __CONCAT(R_MIPS_,name) #define R_MIPS16_min 100 #define R_MIPS16_26 100 #define R_MIPS16_GPREL 101 #define R_MIPS16_GOT16 102 #define R_MIPS16_CALL16 103 #define R_MIPS16_HI16 104 #define R_MIPS16_LO16 105 #define R_MIPS16_max 106 #define R_MIPS_COPY 126 #define R_MIPS_JUMP_SLOT 127 /* * ELF Flags */ #define EF_MIPS_ARCH_1 0x00000000 /* -mips1 code */ #define EF_MIPS_ARCH_2 0x10000000 /* -mips2 code */ #define EF_MIPS_ARCH_3 0x20000000 /* -mips3 code */ #define EF_MIPS_ARCH_4 0x30000000 /* -mips4 code */ #define EF_MIPS_ARCH_5 0x40000000 /* -mips5 code */ #define EF_MIPS_ARCH_32 0x50000000 /* -mips32 code */ #define EF_MIPS_ARCH_64 0x60000000 /* -mips64 code */ #define EF_MIPS_ARCH_32R2 0x70000000 /* -mips32r2 code */ #define EF_MIPS_ARCH_64R2 0x80000000 /* -mips64r2 code */ #define EF_MIPS_ABI 0x0000f000 #define EF_MIPS_ABI_O32 0x00001000 #define EF_MIPS_ABI_O64 0x00002000 #define EF_MIPS_ABI_EABI32 0x00003000 #define EF_MIPS_ABI_EABI64 0x00004000 #endif /* __MIPS_ELF_H */