elf.h revision 325810
1292407Sbr/*- 2292407Sbr * Copyright (c) 1996-1997 John D. Polstra. 3292407Sbr * All rights reserved. 4292407Sbr * 5292407Sbr * Redistribution and use in source and binary forms, with or without 6292407Sbr * modification, are permitted provided that the following conditions 7292407Sbr * are met: 8292407Sbr * 1. Redistributions of source code must retain the above copyright 9292407Sbr * notice, this list of conditions and the following disclaimer. 10292407Sbr * 2. Redistributions in binary form must reproduce the above copyright 11292407Sbr * notice, this list of conditions and the following disclaimer in the 12292407Sbr * documentation and/or other materials provided with the distribution. 13292407Sbr * 14292407Sbr * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15292407Sbr * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16292407Sbr * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17292407Sbr * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18292407Sbr * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19292407Sbr * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20292407Sbr * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21292407Sbr * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22292407Sbr * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23292407Sbr * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24292407Sbr * SUCH DAMAGE. 25292407Sbr * 26292407Sbr * $FreeBSD: stable/11/sys/riscv/include/elf.h 325810 2017-11-14 16:03:07Z jhb $ 27292407Sbr */ 28292407Sbr 29292407Sbr#ifndef _MACHINE_ELF_H_ 30292407Sbr#define _MACHINE_ELF_H_ 31292407Sbr 32292407Sbr/* 33292407Sbr * ELF definitions for the RISC-V architecture. 34292407Sbr */ 35292407Sbr 36292407Sbr#include <sys/elf32.h> /* Definitions common to all 32 bit architectures. */ 37292407Sbr#include <sys/elf64.h> /* Definitions common to all 64 bit architectures. */ 38292407Sbr 39292407Sbr#define __ELF_WORD_SIZE 64 /* Used by <sys/elf_generic.h> */ 40292407Sbr#include <sys/elf_generic.h> 41292407Sbr 42292407Sbr/* 43292407Sbr * Auxiliary vector entries for passing information to the interpreter. 44292407Sbr */ 45292407Sbr 46292407Sbrtypedef struct { /* Auxiliary vector entry on initial stack */ 47292407Sbr int a_type; /* Entry type. */ 48292407Sbr union { 49292407Sbr int a_val; /* Integer value. */ 50292407Sbr } a_un; 51292407Sbr} Elf32_Auxinfo; 52292407Sbr 53292407Sbrtypedef struct { /* Auxiliary vector entry on initial stack */ 54292407Sbr long a_type; /* Entry type. */ 55292407Sbr union { 56292407Sbr long a_val; /* Integer value. */ 57292407Sbr void *a_ptr; /* Address. */ 58292407Sbr void (*a_fcn)(void); /* Function pointer (not used). */ 59292407Sbr } a_un; 60292407Sbr} Elf64_Auxinfo; 61292407Sbr 62292407Sbr__ElfType(Auxinfo); 63292407Sbr 64292407Sbr#define ELF_ARCH EM_RISCV 65292407Sbr 66292407Sbr#define ELF_MACHINE_OK(x) ((x) == (ELF_ARCH)) 67292407Sbr 68292407Sbr/* Values for a_type. */ 69292407Sbr#define AT_NULL 0 /* Terminates the vector. */ 70292407Sbr#define AT_IGNORE 1 /* Ignored entry. */ 71292407Sbr#define AT_EXECFD 2 /* File descriptor of program to load. */ 72292407Sbr#define AT_PHDR 3 /* Program header of program already loaded. */ 73292407Sbr#define AT_PHENT 4 /* Size of each program header entry. */ 74292407Sbr#define AT_PHNUM 5 /* Number of program header entries. */ 75292407Sbr#define AT_PAGESZ 6 /* Page size in bytes. */ 76292407Sbr#define AT_BASE 7 /* Interpreter's base address. */ 77292407Sbr#define AT_FLAGS 8 /* Flags (unused). */ 78292407Sbr#define AT_ENTRY 9 /* Where interpreter should transfer control. */ 79292407Sbr#define AT_NOTELF 10 /* Program is not ELF ?? */ 80292407Sbr#define AT_UID 11 /* Real uid. */ 81292407Sbr#define AT_EUID 12 /* Effective uid. */ 82292407Sbr#define AT_GID 13 /* Real gid. */ 83292407Sbr#define AT_EGID 14 /* Effective gid. */ 84292407Sbr#define AT_EXECPATH 15 /* Path to the executable. */ 85292407Sbr#define AT_CANARY 16 /* Canary for SSP */ 86292407Sbr#define AT_CANARYLEN 17 /* Length of the canary. */ 87292407Sbr#define AT_OSRELDATE 18 /* OSRELDATE. */ 88292407Sbr#define AT_NCPUS 19 /* Number of CPUs. */ 89292407Sbr#define AT_PAGESIZES 20 /* Pagesizes. */ 90292407Sbr#define AT_PAGESIZESLEN 21 /* Number of pagesizes. */ 91292407Sbr#define AT_TIMEKEEP 22 /* Pointer to timehands. */ 92292407Sbr#define AT_STACKPROT 23 /* Initial stack protection. */ 93324687Sjhb#define AT_EHDRFLAGS 24 /* e_flags field from elf hdr */ 94324687Sjhb#define AT_HWCAP 25 /* CPU feature flags. */ 95325810Sjhb#define AT_HWCAP2 26 /* CPU feature flags 2. */ 96292407Sbr 97325810Sjhb#define AT_COUNT 27 /* Count of defined aux entry types. */ 98292407Sbr 99292407Sbr/* Define "machine" characteristics */ 100292407Sbr#define ELF_TARG_CLASS ELFCLASS64 101292407Sbr#define ELF_TARG_DATA ELFDATA2LSB 102292407Sbr#define ELF_TARG_MACH EM_RISCV 103292407Sbr#define ELF_TARG_VER 1 104292407Sbr 105292407Sbr/* TODO: set correct value */ 106292407Sbr#define ET_DYN_LOAD_ADDR 0x100000 107292407Sbr 108292407Sbr#endif /* !_MACHINE_ELF_H_ */ 109