/* $NetBSD: elf_machdep.h,v 1.18 2013/05/23 21:39:49 christos Exp $ */ /*- * 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. */ #ifndef _MIPS_ELF_MACHDEP_H_ #define _MIPS_ELF_MACHDEP_H_ #ifdef _LP64 #define ARCH_ELFSIZE 64 /* MD native binary size */ #else #define ARCH_ELFSIZE 32 /* MD native binary size */ #endif #if ELFSIZE == 32 #define ELF32_MACHDEP_ID_CASES \ case EM_MIPS: \ break; #define ELF32_MACHDEP_ID EM_MIPS #elif ELFSIZE == 64 #define ELF64_MACHDEP_ID_CASES \ case EM_MIPS: \ break; #define ELF64_MACHDEP_ID EM_MIPS #endif /* 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 /* mips dynamic tags */ #define DT_MIPS_RLD_VERSION 0x70000001 #define DT_MIPS_TIME_STAMP 0x70000002 #define DT_MIPS_ICHECKSUM 0x70000003 #define DT_MIPS_IVERSION 0x70000004 #define DT_MIPS_FLAGS 0x70000005 #define DT_MIPS_BASE_ADDRESS 0x70000006 #define DT_MIPS_CONFLICT 0x70000008 #define DT_MIPS_LIBLIST 0x70000009 #define DT_MIPS_CONFLICTNO 0x7000000b #define DT_MIPS_LOCAL_GOTNO 0x7000000a /* number of local got ents */ #define DT_MIPS_LIBLISTNO 0x70000010 #define DT_MIPS_SYMTABNO 0x70000011 /* number of .dynsym entries */ #define DT_MIPS_UNREFEXTNO 0x70000012 #define DT_MIPS_GOTSYM 0x70000013 /* first dynamic sym in got */ #define DT_MIPS_HIPAGENO 0x70000014 #define DT_MIPS_RLD_MAP 0x70000016 /* address of loader map */ #define DT_MIPS_PLTGOT 0x70000032 #define DT_MIPS_RWPLT 0x70000034 /* * ELF Flags */ #define EF_MIPS_PIC 0x00000002 /* Contains PIC code */ #define EF_MIPS_CPIC 0x00000004 /* STD PIC calling sequence */ #define EF_MIPS_ABI2 0x00000020 /* N32 */ #define EF_MIPS_ARCH_ASE 0x0f000000 /* Architectural extensions */ #define EF_MIPS_ARCH_MDMX 0x08000000 /* MDMX multimedia extension */ #define EF_MIPS_ARCH_M16 0x04000000 /* MIPS-16 ISA extensions */ #define EF_MIPS_ARCH 0xf0000000 /* Architecture field */ #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 #if defined(__MIPSEB__) #define ELF32_MACHDEP_ENDIANNESS ELFDATA2MSB #define ELF64_MACHDEP_ENDIANNESS ELFDATA2MSB #elif defined(__MIPSEL__) #define ELF32_MACHDEP_ENDIANNESS ELFDATA2LSB #define ELF64_MACHDEP_ENDIANNESS ELFDATA2LSB #elif !defined(HAVE_NBTOOL_CONFIG_H) #error neither __MIPSEL__ nor __MIPSEB__ are defined. #endif #ifdef _KERNEL #ifdef _KERNEL_OPT #include "opt_compat_netbsd.h" #endif #ifdef COMPAT_16 /* * Up to 1.6, the ELF dynamic loader (ld.elf_so) was not relocatable. * Tell the kernel ELF exec code not to try relocating the interpreter * for dynamically-linked ELF binaries. */ #define ELF_INTERP_NON_RELOCATABLE #endif /* COMPAT_16 */ /* * We need to be able to include the ELF header so we can pick out the * ABI being used. */ #ifdef ELFSIZE #define ELF_MD_PROBE_FUNC ELFNAME2(mips_netbsd,probe) #define ELF_MD_COREDUMP_SETUP ELFNAME2(coredump,setup) #endif struct exec_package; int mips_netbsd_elf32_probe(struct lwp *, struct exec_package *, void *, char *, vaddr_t *); void coredump_elf32_setup(struct lwp *, void *); int mips_netbsd_elf64_probe(struct lwp *, struct exec_package *, void *, char *, vaddr_t *); void coredump_elf64_setup(struct lwp *, void *); #endif /* _KERNEL */ #endif /* _MIPS_ELF_MACHDEP_H_ */