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/* gxemul: $Id: exec_elf.h,v 1.4 2005/03/05 12:34:02 debug Exp $ */ |
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|
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#ifndef __EXEC_ELF_H |
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#define __EXEC_ELF_H |
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|
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#include <inttypes.h> |
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|
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/* $NetBSD: exec_elf.h,v 1.37.4.2 2001/05/01 12:05:43 he Exp $ */ |
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|
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/*- |
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* Copyright (c) 1994 The NetBSD Foundation, Inc. |
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* All rights reserved. |
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* |
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* This code is derived from software contributed to The NetBSD Foundation |
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* by Christos Zoulas. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. All advertising materials mentioning features or use of this software |
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* must display the following acknowledgement: |
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* This product includes software developed by the NetBSD |
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* Foundation, Inc. and its contributors. |
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* 4. Neither the name of The NetBSD Foundation nor the names of its |
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* contributors may be used to endorse or promote products derived |
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* from this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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* POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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|
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|
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typedef uint8_t Elf_Byte; |
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|
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typedef uint32_t Elf32_Addr; |
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#define ELF32_FSZ_ADDR 4 |
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typedef uint32_t Elf32_Off; |
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#define ELF32_FSZ_OFF 4 |
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typedef int32_t Elf32_Sword; |
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#define ELF32_FSZ_SWORD 4 |
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typedef uint32_t Elf32_Word; |
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#define ELF32_FSZ_WORD 4 |
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typedef uint16_t Elf32_Half; |
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#define ELF32_FSZ_HALF 2 |
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|
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typedef uint64_t Elf64_Addr; |
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#define ELF64_FSZ_ADDR 8 |
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typedef uint64_t Elf64_Off; |
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#define ELF64_FSZ_OFF 8 |
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typedef int32_t Elf64_Shalf; |
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#define ELF64_FSZ_SHALF 4 |
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#ifdef __sparc_v9__ |
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/* #error weird */ |
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typedef int32_t Elf64_Sword; |
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#define ELF64_FSZ_SWORD 4 |
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typedef uint32_t Elf64_Word; |
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#define ELF64_FSZ_WORD 4 |
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#else |
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typedef int64_t Elf64_Sword; |
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#define ELF64_FSZ_SWORD 8 |
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typedef uint64_t Elf64_Word; |
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#define ELF64_FSZ_WORD 8 |
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#endif |
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typedef int64_t Elf64_Sxword; |
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#define ELF64_FSZ_XWORD 8 |
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typedef uint64_t Elf64_Xword; |
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#define ELF64_FSZ_XWORD 8 |
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typedef uint32_t Elf64_Half; |
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#define ELF64_FSZ_HALF 4 |
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typedef uint16_t Elf64_Quarter; |
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#define ELF64_FSZ_QUARTER 2 |
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|
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/* |
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* ELF Header |
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*/ |
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#define ELF_NIDENT 16 |
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|
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typedef struct { |
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unsigned char e_ident[ELF_NIDENT]; /* Id bytes */ |
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Elf32_Half e_type; /* file type */ |
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Elf32_Half e_machine; /* machine type */ |
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Elf32_Word e_version; /* version number */ |
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Elf32_Addr e_entry; /* entry point */ |
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Elf32_Off e_phoff; /* Program hdr offset */ |
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Elf32_Off e_shoff; /* Section hdr offset */ |
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Elf32_Word e_flags; /* Processor flags */ |
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Elf32_Half e_ehsize; /* sizeof ehdr */ |
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Elf32_Half e_phentsize; /* Program header entry size */ |
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Elf32_Half e_phnum; /* Number of program headers */ |
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Elf32_Half e_shentsize; /* Section header entry size */ |
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Elf32_Half e_shnum; /* Number of section headers */ |
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Elf32_Half e_shstrndx; /* String table index */ |
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} Elf32_Ehdr; |
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|
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typedef struct { |
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unsigned char e_ident[ELF_NIDENT]; /* Id bytes */ |
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Elf64_Quarter e_type; /* file type */ |
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Elf64_Quarter e_machine; /* machine type */ |
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Elf64_Half e_version; /* version number */ |
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Elf64_Addr e_entry; /* entry point */ |
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Elf64_Off e_phoff; /* Program hdr offset */ |
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Elf64_Off e_shoff; /* Section hdr offset */ |
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Elf64_Half e_flags; /* Processor flags */ |
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Elf64_Quarter e_ehsize; /* sizeof ehdr */ |
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Elf64_Quarter e_phentsize; /* Program header entry size */ |
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Elf64_Quarter e_phnum; /* Number of program headers */ |
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Elf64_Quarter e_shentsize; /* Section header entry size */ |
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Elf64_Quarter e_shnum; /* Number of section headers */ |
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Elf64_Quarter e_shstrndx; /* String table index */ |
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} Elf64_Ehdr; |
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|
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/* e_ident offsets */ |
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#define EI_MAG0 0 /* '\177' */ |
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#define EI_MAG1 1 /* 'E' */ |
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#define EI_MAG2 2 /* 'L' */ |
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#define EI_MAG3 3 /* 'F' */ |
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#define EI_CLASS 4 /* File class */ |
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#define EI_DATA 5 /* Data encoding */ |
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#define EI_VERSION 6 /* File version */ |
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#define EI_OSABI 7 /* Operating system/ABI identification */ |
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#define EI_ABIVERSION 8 /* ABI version */ |
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#define EI_PAD 9 /* Start of padding bytes up to EI_NIDENT*/ |
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|
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/* e_ident[ELFMAG0,ELFMAG3] */ |
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#define ELFMAG0 0x7f |
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#define ELFMAG1 'E' |
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#define ELFMAG2 'L' |
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#define ELFMAG3 'F' |
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#define ELFMAG "\177ELF" |
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#define SELFMAG 4 |
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|
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/* e_ident[EI_CLASS] */ |
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#define ELFCLASSNONE 0 /* Invalid class */ |
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#define ELFCLASS32 1 /* 32-bit objects */ |
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#define ELFCLASS64 2 /* 64-bit objects */ |
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#define ELFCLASSNUM 3 |
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|
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/* e_ident[EI_DATA] */ |
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#define ELFDATANONE 0 /* Invalid data encoding */ |
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#define ELFDATA2LSB 1 /* 2's complement values, LSB first */ |
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#define ELFDATA2MSB 2 /* 2's complement values, MSB first */ |
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|
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/* e_ident[EI_VERSION] */ |
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#define EV_NONE 0 /* Invalid version */ |
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#define EV_CURRENT 1 /* Current version */ |
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#define EV_NUM 2 |
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|
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/* e_ident[EI_OSABI] */ |
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#define ELFOSABI_SYSV 0 /* UNIX System V ABI */ |
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#define ELFOSABI_HPUX 1 /* HP-UX operating system */ |
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#define ELFOSABI_STANDALONE 255 /* Standalone (embedded) application */ |
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|
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/* e_type */ |
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#define ET_NONE 0 /* No file type */ |
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#define ET_REL 1 /* Relocatable file */ |
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#define ET_EXEC 2 /* Executable file */ |
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#define ET_DYN 3 /* Shared object file */ |
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#define ET_CORE 4 /* Core file */ |
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#define ET_NUM 5 |
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|
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#define ET_LOOS 0xfe00 /* Operating system specific range */ |
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#define ET_HIOS 0xfeff |
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#define ET_LOPROC 0xff00 /* Processor-specific range */ |
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#define ET_HIPROC 0xffff |
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|
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/* e_machine */ |
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#define EM_NONE 0 /* No machine */ |
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#define EM_M32 1 /* AT&T WE 32100 */ |
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#define EM_SPARC 2 /* SPARC */ |
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#define EM_386 3 /* Intel 80386 */ |
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#define EM_68K 4 /* Motorola 68000 */ |
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#define EM_88K 5 /* Motorola 88000 */ |
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#define EM_486 6 /* Intel 80486 */ |
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#define EM_860 7 /* Intel 80860 */ |
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#define EM_MIPS 8 /* MIPS I Architecture */ |
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#define EM_S370 9 /* Amdahl UTS on System/370 */ |
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#define EM_MIPS_RS3_LE 10 /* MIPS RS3000 Little-endian */ |
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#define EM_RS6000 11 /* IBM RS/6000 XXX reserved */ |
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#define EM_PARISC 15 /* Hewlett-Packard PA-RISC */ |
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#define EM_NCUBE 16 /* NCube XXX reserved */ |
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#define EM_VPP500 17 /* Fujitsu VPP500 */ |
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#define EM_SPARC32PLUS 18 /* Enhanced instruction set SPARC */ |
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#define EM_960 19 /* Intel 80960 */ |
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#define EM_PPC 20 /* PowerPC */ |
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#define EM_PPC64 21 /* PowerPC 64-bit (gxemul addition) */ |
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#define EM_V800 36 /* NEC V800 */ |
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#define EM_FR20 37 /* Fujitsu FR20 */ |
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#define EM_RH32 38 /* TRW RH-32 */ |
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#define EM_RCE 39 /* Motorola RCE */ |
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#define EM_ARM 40 /* Advanced RISC Machines ARM */ |
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#define EM_ALPHA 41 /* DIGITAL Alpha */ |
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#define EM_SH 42 /* Hitachi Super-H */ |
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#define EM_SPARCV9 43 /* SPARC Version 9 */ |
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#define EM_TRICORE 44 /* Siemens Tricore */ |
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#define EM_ARC 45 /* Argonaut RISC Core */ |
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#define EM_H8_300 46 /* Hitachi H8/300 */ |
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#define EM_H8_300H 47 /* Hitachi H8/300H */ |
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#define EM_H8S 48 /* Hitachi H8S */ |
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#define EM_H8_500 49 /* Hitachi H8/500 */ |
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#define EM_IA_64 50 /* Intel Merced Processor */ |
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#define EM_MIPS_X 51 /* Stanford MIPS-X */ |
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#define EM_COLDFIRE 52 /* Motorola Coldfire */ |
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#define EM_68HC12 53 /* Motorola MC68HC12 */ |
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#define EM_VAX 75 /* DIGITAL VAX */ |
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#define EM_ALPHA_EXP 36902 /* used by NetBSD/alpha; obsolete */ |
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#define EM_NUM 36903 |
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|
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/* |
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* Program Header |
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*/ |
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typedef struct { |
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Elf32_Word p_type; /* entry type */ |
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Elf32_Off p_offset; /* offset */ |
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Elf32_Addr p_vaddr; /* virtual address */ |
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Elf32_Addr p_paddr; /* physical address */ |
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Elf32_Word p_filesz; /* file size */ |
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Elf32_Word p_memsz; /* memory size */ |
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Elf32_Word p_flags; /* flags */ |
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Elf32_Word p_align; /* memory & file alignment */ |
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} Elf32_Phdr; |
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|
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typedef struct { |
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Elf64_Half p_type; /* entry type */ |
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Elf64_Half p_flags; /* flags */ |
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Elf64_Off p_offset; /* offset */ |
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Elf64_Addr p_vaddr; /* virtual address */ |
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Elf64_Addr p_paddr; /* physical address */ |
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Elf64_Xword p_filesz; /* file size */ |
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Elf64_Xword p_memsz; /* memory size */ |
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Elf64_Xword p_align; /* memory & file alignment */ |
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} Elf64_Phdr; |
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|
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/* p_type */ |
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#define PT_NULL 0 /* Program header table entry unused */ |
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#define PT_LOAD 1 /* Loadable program segment */ |
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#define PT_DYNAMIC 2 /* Dynamic linking information */ |
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#define PT_INTERP 3 /* Program interpreter */ |
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#define PT_NOTE 4 /* Auxiliary information */ |
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#define PT_SHLIB 5 /* Reserved, unspecified semantics */ |
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#define PT_PHDR 6 /* Entry for header table itself */ |
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#define PT_NUM 7 |
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|
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/* p_flags */ |
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#define PF_R 0x4 /* Segment is readable */ |
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#define PF_W 0x2 /* Segment is writable */ |
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#define PF_X 0x1 /* Segment is executable */ |
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|
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#define PF_MASKOS 0x0ff00000 /* Opersting system specific values */ |
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#define PF_MASKPROC 0xf0000000 /* Processor-specific values */ |
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|
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#define PT_LOPROC 0x70000000 /* Processor-specific range */ |
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#define PT_HIPROC 0x7fffffff |
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|
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#define PT_MIPS_REGINFO 0x70000000 |
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|
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/* |
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* Section Headers |
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*/ |
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typedef struct { |
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Elf32_Word sh_name; /* section name (.shstrtab index) */ |
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Elf32_Word sh_type; /* section type */ |
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Elf32_Word sh_flags; /* section flags */ |
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Elf32_Addr sh_addr; /* virtual address */ |
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Elf32_Off sh_offset; /* file offset */ |
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Elf32_Word sh_size; /* section size */ |
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Elf32_Word sh_link; /* link to another */ |
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Elf32_Word sh_info; /* misc info */ |
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Elf32_Word sh_addralign; /* memory alignment */ |
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Elf32_Word sh_entsize; /* table entry size */ |
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} Elf32_Shdr; |
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|
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typedef struct { |
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Elf64_Half sh_name; /* section name (.shstrtab index) */ |
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Elf64_Half sh_type; /* section type */ |
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Elf64_Xword sh_flags; /* section flags */ |
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Elf64_Addr sh_addr; /* virtual address */ |
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Elf64_Off sh_offset; /* file offset */ |
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Elf64_Xword sh_size; /* section size */ |
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Elf64_Half sh_link; /* link to another */ |
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Elf64_Half sh_info; /* misc info */ |
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Elf64_Xword sh_addralign; /* memory alignment */ |
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Elf64_Xword sh_entsize; /* table entry size */ |
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} Elf64_Shdr; |
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|
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/* sh_type */ |
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#define SHT_NULL 0 |
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#define SHT_PROGBITS 1 |
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#define SHT_SYMTAB 2 |
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#define SHT_STRTAB 3 |
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#define SHT_RELA 4 |
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#define SHT_HASH 5 |
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#define SHT_DYNAMIC 6 |
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#define SHT_NOTE 7 |
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#define SHT_NOBITS 8 |
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#define SHT_REL 9 |
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#define SHT_SHLIB 10 |
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#define SHT_DYNSYM 11 |
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#define SHT_NUM 12 |
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|
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#define SHT_LOOS 0x60000000 /* Operating system specific range */ |
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#define SHT_HIOS 0x6fffffff |
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#define SHT_LOPROC 0x70000000 /* Processor-specific range */ |
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#define SHT_HIPROC 0x7fffffff |
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#define SHT_LOUSER 0x80000000 /* Application-specific range */ |
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#define SHT_HIUSER 0xffffffff |
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|
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/* sh_flags */ |
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#define SHF_WRITE 0x1 /* Section contains writable data */ |
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#define SHF_ALLOC 0x2 /* Section occupies memory */ |
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#define SHF_EXECINSTR 0x4 /* Section contains executable insns */ |
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|
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#define SHF_MASKOS 0x0f000000 /* Operating system specific values */ |
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#define SHF_MASKPROC 0xf0000000 /* Processor-specific values */ |
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|
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/* |
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* Symbol Table |
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*/ |
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typedef struct { |
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Elf32_Word st_name; /* Symbol name (.symtab index) */ |
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Elf32_Word st_value; /* value of symbol */ |
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Elf32_Word st_size; /* size of symbol */ |
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Elf_Byte st_info; /* type / binding attrs */ |
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Elf_Byte st_other; /* unused */ |
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Elf32_Half st_shndx; /* section index of symbol */ |
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} Elf32_Sym; |
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|
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typedef struct { |
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Elf64_Half st_name; /* Symbol name (.symtab index) */ |
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Elf_Byte st_info; /* type / binding attrs */ |
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Elf_Byte st_other; /* unused */ |
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Elf64_Quarter st_shndx; /* section index of symbol */ |
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Elf64_Addr st_value; /* value of symbol */ |
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Elf64_Xword st_size; /* size of symbol */ |
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} Elf64_Sym; |
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|
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/* Symbol Table index of the undefined symbol */ |
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#define ELF_SYM_UNDEFINED 0 |
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|
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/* st_info: Symbol Bindings */ |
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#define STB_LOCAL 0 /* local symbol */ |
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#define STB_GLOBAL 1 /* global symbol */ |
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#define STB_WEAK 2 /* weakly defined global symbol */ |
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#define STB_NUM 3 |
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|
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#define STB_LOOS 10 /* Operating system specific range */ |
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#define STB_HIOS 12 |
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#define STB_LOPROC 13 /* Processor-specific range */ |
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#define STB_HIPROC 15 |
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|
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/* st_info: Symbol Types */ |
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#define STT_NOTYPE 0 /* Type not specified */ |
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#define STT_OBJECT 1 /* Associated with a data object */ |
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#define STT_FUNC 2 /* Associated with a function */ |
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#define STT_SECTION 3 /* Associated with a section */ |
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#define STT_FILE 4 /* Associated with a file name */ |
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#define STT_NUM 5 |
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|
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#define STT_LOOS 10 /* Operating system specific range */ |
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#define STT_HIOS 12 |
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#define STT_LOPROC 13 /* Processor-specific range */ |
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#define STT_HIPROC 15 |
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|
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/* st_info utility macros */ |
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#define ELF32_ST_BIND(info) ((Elf32_Word)(info) >> 4) |
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#define ELF32_ST_TYPE(info) ((Elf32_Word)(info) & 0xf) |
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#define ELF32_ST_INFO(bind,type) ((Elf_Byte)(((bind) << 4) | ((type) & 0xf))) |
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|
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#define ELF64_ST_BIND(info) ((Elf64_Xword)(info) >> 4) |
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#define ELF64_ST_TYPE(info) ((Elf64_Xword)(info) & 0xf) |
| 384 |
#define ELF64_ST_INFO(bind,type) ((Elf_Byte)(((bind) << 4) | ((type) & 0xf))) |
| 385 |
|
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/* |
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* Special section indexes |
| 388 |
*/ |
| 389 |
#define SHN_UNDEF 0 /* Undefined section */ |
| 390 |
|
| 391 |
#define SHN_LORESERVE 0xff00 /* Reserved range */ |
| 392 |
#define SHN_ABS 0xfff1 /* Absolute symbols */ |
| 393 |
#define SHN_COMMON 0xfff2 /* Common symbols */ |
| 394 |
#define SHN_HIRESERVE 0xffff |
| 395 |
|
| 396 |
#define SHN_LOPROC 0xff00 /* Processor-specific range */ |
| 397 |
#define SHN_HIPROC 0xff1f |
| 398 |
#define SHN_LOOS 0xff20 /* Operating system specific range */ |
| 399 |
#define SHN_HIOS 0xff3f |
| 400 |
|
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#define SHN_MIPS_ACOMMON 0xff00 |
| 402 |
#define SHN_MIPS_TEXT 0xff01 |
| 403 |
#define SHN_MIPS_DATA 0xff02 |
| 404 |
#define SHN_MIPS_SCOMMON 0xff03 |
| 405 |
|
| 406 |
/* |
| 407 |
* Relocation Entries |
| 408 |
*/ |
| 409 |
typedef struct { |
| 410 |
Elf32_Word r_offset; /* where to do it */ |
| 411 |
Elf32_Word r_info; /* index & type of relocation */ |
| 412 |
} Elf32_Rel; |
| 413 |
|
| 414 |
typedef struct { |
| 415 |
Elf32_Word r_offset; /* where to do it */ |
| 416 |
Elf32_Word r_info; /* index & type of relocation */ |
| 417 |
Elf32_Sword r_addend; /* adjustment value */ |
| 418 |
} Elf32_Rela; |
| 419 |
|
| 420 |
/* r_info utility macros */ |
| 421 |
#define ELF32_R_SYM(info) ((info) >> 8) |
| 422 |
#define ELF32_R_TYPE(info) ((info) & 0xff) |
| 423 |
#define ELF32_R_INFO(sym, type) (((sym) << 8) + (unsigned char)(type)) |
| 424 |
|
| 425 |
typedef struct { |
| 426 |
Elf64_Addr r_offset; /* where to do it */ |
| 427 |
Elf64_Xword r_info; /* index & type of relocation */ |
| 428 |
} Elf64_Rel; |
| 429 |
|
| 430 |
typedef struct { |
| 431 |
Elf64_Addr r_offset; /* where to do it */ |
| 432 |
Elf64_Xword r_info; /* index & type of relocation */ |
| 433 |
Elf64_Sxword r_addend; /* adjustment value */ |
| 434 |
} Elf64_Rela; |
| 435 |
|
| 436 |
/* r_info utility macros */ |
| 437 |
#define ELF64_R_SYM(info) ((info) >> 32) |
| 438 |
#define ELF64_R_TYPE(info) ((info) & 0xffffffff) |
| 439 |
#define ELF64_R_INFO(sym,type) (((sym) << 32) + (type)) |
| 440 |
|
| 441 |
/* |
| 442 |
* Dynamic Section structure array |
| 443 |
*/ |
| 444 |
typedef struct { |
| 445 |
Elf32_Word d_tag; /* entry tag value */ |
| 446 |
union { |
| 447 |
Elf32_Addr d_ptr; |
| 448 |
Elf32_Word d_val; |
| 449 |
} d_un; |
| 450 |
} Elf32_Dyn; |
| 451 |
|
| 452 |
typedef struct { |
| 453 |
Elf64_Xword d_tag; /* entry tag value */ |
| 454 |
union { |
| 455 |
Elf64_Addr d_ptr; |
| 456 |
Elf64_Xword d_val; |
| 457 |
} d_un; |
| 458 |
} Elf64_Dyn; |
| 459 |
|
| 460 |
/* d_tag */ |
| 461 |
#define DT_NULL 0 /* Marks end of dynamic array */ |
| 462 |
#define DT_NEEDED 1 /* Name of needed library (DT_STRTAB offset) */ |
| 463 |
#define DT_PLTRELSZ 2 /* Size, in bytes, of relocations in PLT */ |
| 464 |
#define DT_PLTGOT 3 /* Address of PLT and/or GOT */ |
| 465 |
#define DT_HASH 4 /* Address of symbol hash table */ |
| 466 |
#define DT_STRTAB 5 /* Address of string table */ |
| 467 |
#define DT_SYMTAB 6 /* Address of symbol table */ |
| 468 |
#define DT_RELA 7 /* Address of Rela relocation table */ |
| 469 |
#define DT_RELASZ 8 /* Size, in bytes, of DT_RELA table */ |
| 470 |
#define DT_RELAENT 9 /* Size, in bytes, of one DT_RELA entry */ |
| 471 |
#define DT_STRSZ 10 /* Size, in bytes, of DT_STRTAB table */ |
| 472 |
#define DT_SYMENT 11 /* Size, in bytes, of one DT_SYMTAB entry */ |
| 473 |
#define DT_INIT 12 /* Address of initialization function */ |
| 474 |
#define DT_FINI 13 /* Address of termination function */ |
| 475 |
#define DT_SONAME 14 /* Shared object name (DT_STRTAB offset) */ |
| 476 |
#define DT_RPATH 15 /* Library search path (DT_STRTAB offset) */ |
| 477 |
#define DT_SYMBOLIC 16 /* Start symbol search within local object */ |
| 478 |
#define DT_REL 17 /* Address of Rel relocation table */ |
| 479 |
#define DT_RELSZ 18 /* Size, in bytes, of DT_REL table */ |
| 480 |
#define DT_RELENT 19 /* Size, in bytes, of one DT_REL entry */ |
| 481 |
#define DT_PLTREL 20 /* Type of PLT relocation entries */ |
| 482 |
#define DT_DEBUG 21 /* Used for debugging; unspecified */ |
| 483 |
#define DT_TEXTREL 22 /* Relocations might modify non-writable seg */ |
| 484 |
#define DT_JMPREL 23 /* Address of relocations associated with PLT */ |
| 485 |
#define DT_BIND_NOW 24 /* Process all relocations at load-time */ |
| 486 |
#define DT_INIT_ARRAY 25 /* Address of initialization function array */ |
| 487 |
#define DT_FINI_ARRAY 26 /* Size, in bytes, of DT_INIT_ARRAY array */ |
| 488 |
#define DT_INIT_ARRAYSZ 27 /* Address of termination function array */ |
| 489 |
#define DT_FINI_ARRAYSZ 28 /* Size, in bytes, of DT_FINI_ARRAY array*/ |
| 490 |
#define DT_NUM 29 |
| 491 |
|
| 492 |
#define DT_LOOS 0x60000000 /* Operating system specific range */ |
| 493 |
#define DT_HIOS 0x6fffffff |
| 494 |
#define DT_LOPROC 0x70000000 /* Processor-specific range */ |
| 495 |
#define DT_HIPROC 0x7fffffff |
| 496 |
|
| 497 |
/* |
| 498 |
* Auxiliary Vectors |
| 499 |
*/ |
| 500 |
typedef struct { |
| 501 |
Elf32_Word a_type; /* 32-bit id */ |
| 502 |
Elf32_Word a_v; /* 32-bit id */ |
| 503 |
} Aux32Info; |
| 504 |
|
| 505 |
typedef struct { |
| 506 |
Elf64_Half a_type; /* 32-bit id */ |
| 507 |
Elf64_Xword a_v; /* 64-bit id */ |
| 508 |
} Aux64Info; |
| 509 |
|
| 510 |
/* a_type */ |
| 511 |
#define AT_NULL 0 /* Marks end of array */ |
| 512 |
#define AT_IGNORE 1 /* No meaning, a_un is undefined */ |
| 513 |
#define AT_EXECFD 2 /* Open file descriptor of object file */ |
| 514 |
#define AT_PHDR 3 /* &phdr[0] */ |
| 515 |
#define AT_PHENT 4 /* sizeof(phdr[0]) */ |
| 516 |
#define AT_PHNUM 5 /* # phdr entries */ |
| 517 |
#define AT_PAGESZ 6 /* PAGESIZE */ |
| 518 |
#define AT_BASE 7 /* Interpreter base addr */ |
| 519 |
#define AT_FLAGS 8 /* Processor flags */ |
| 520 |
#define AT_ENTRY 9 /* Entry address of executable */ |
| 521 |
#define AT_DCACHEBSIZE 10 /* Data cache block size */ |
| 522 |
#define AT_ICACHEBSIZE 11 /* Instruction cache block size */ |
| 523 |
#define AT_UCACHEBSIZE 12 /* Unified cache block size */ |
| 524 |
|
| 525 |
/* Vendor specific */ |
| 526 |
#define AT_MIPS_NOTELF 10 /* XXX a_val != 0 -> MIPS XCOFF executable */ |
| 527 |
|
| 528 |
#define AT_SUN_UID 2000 /* euid */ |
| 529 |
#define AT_SUN_RUID 2001 /* ruid */ |
| 530 |
#define AT_SUN_GID 2002 /* egid */ |
| 531 |
#define AT_SUN_RGID 2003 /* rgid */ |
| 532 |
|
| 533 |
/* Solaris kernel specific */ |
| 534 |
#define AT_SUN_LDELF 2004 /* dynamic linker's ELF header */ |
| 535 |
#define AT_SUN_LDSHDR 2005 /* dynamic linker's section header */ |
| 536 |
#define AT_SUN_LDNAME 2006 /* dynamic linker's name */ |
| 537 |
#define AT_SUN_LPGSIZE 2007 /* large pagesize */ |
| 538 |
|
| 539 |
/* Other information */ |
| 540 |
#define AT_SUN_PLATFORM 2008 /* sysinfo(SI_PLATFORM) */ |
| 541 |
#define AT_SUN_HWCAP 2009 /* process hardware capabilities */ |
| 542 |
#define AT_SUN_IFLUSH 2010 /* do we need to flush the instruction cache? */ |
| 543 |
#define AT_SUN_CPU 2011 /* cpu name */ |
| 544 |
/* ibcs2 emulation band aid */ |
| 545 |
#define AT_SUN_EMUL_ENTRY 2012 /* coff entry point */ |
| 546 |
#define AT_SUN_EMUL_EXECFD 2013 /* coff file descriptor */ |
| 547 |
/* Executable's fully resolved name */ |
| 548 |
#define AT_SUN_EXECNAME 2014 |
| 549 |
|
| 550 |
/* |
| 551 |
* Note Headers |
| 552 |
*/ |
| 553 |
typedef struct { |
| 554 |
Elf32_Word n_namesz; |
| 555 |
Elf32_Word n_descsz; |
| 556 |
Elf32_Word n_type; |
| 557 |
} Elf32_Nhdr; |
| 558 |
|
| 559 |
typedef struct { |
| 560 |
Elf64_Half n_namesz; |
| 561 |
Elf64_Half n_descsz; |
| 562 |
Elf64_Half n_type; |
| 563 |
} Elf64_Nhdr; |
| 564 |
|
| 565 |
#define ELF_NOTE_TYPE_OSVERSION 1 |
| 566 |
|
| 567 |
/* NetBSD-specific note type: OS Version. desc is 4-byte NetBSD integer. */ |
| 568 |
#define ELF_NOTE_NETBSD_TYPE_OSVERSION ELF_NOTE_TYPE_OSVERSION |
| 569 |
|
| 570 |
/* NetBSD-specific note type: Emulation name. desc is emul name string. */ |
| 571 |
#define ELF_NOTE_NETBSD_TYPE_EMULNAME 2 |
| 572 |
|
| 573 |
/* NetBSD-specific note name and description sizes */ |
| 574 |
#define ELF_NOTE_NETBSD_NAMESZ 7 |
| 575 |
#define ELF_NOTE_NETBSD_DESCSZ 4 |
| 576 |
/* NetBSD-specific note name */ |
| 577 |
#define ELF_NOTE_NETBSD_NAME "NetBSD\0\0" |
| 578 |
|
| 579 |
/* GNU-specific note name and description sizes */ |
| 580 |
#define ELF_NOTE_GNU_NAMESZ 4 |
| 581 |
#define ELF_NOTE_GNU_DESCSZ 4 |
| 582 |
/* GNU-specific note name */ |
| 583 |
#define ELF_NOTE_GNU_NAME "GNU\0" |
| 584 |
|
| 585 |
/* GNU-specific OS/version value stuff */ |
| 586 |
#define ELF_NOTE_GNU_OSMASK (u_int32_t)0xff000000 |
| 587 |
#define ELF_NOTE_GNU_OSLINUX (u_int32_t)0x01000000 |
| 588 |
#define ELF_NOTE_GNU_OSMACH (u_int32_t)0x00000000 |
| 589 |
|
| 590 |
#if defined(ELFSIZE) |
| 591 |
#define CONCAT(x,y) __CONCAT(x,y) |
| 592 |
#define ELFNAME(x) CONCAT(elf,CONCAT(ELFSIZE,CONCAT(_,x))) |
| 593 |
#define ELFNAME2(x,y) CONCAT(x,CONCAT(_elf,CONCAT(ELFSIZE,CONCAT(_,y)))) |
| 594 |
#define ELFNAMEEND(x) CONCAT(x,CONCAT(_elf,ELFSIZE)) |
| 595 |
#define ELFDEFNNAME(x) CONCAT(ELF,CONCAT(ELFSIZE,CONCAT(_,x))) |
| 596 |
#endif |
| 597 |
|
| 598 |
/* #include <machine/elf_machdep.h> */ |
| 599 |
|
| 600 |
#if defined(ELFSIZE) && (ELFSIZE == 32) |
| 601 |
#define Elf_Ehdr Elf32_Ehdr |
| 602 |
#define Elf_Phdr Elf32_Phdr |
| 603 |
#define Elf_Shdr Elf32_Shdr |
| 604 |
#define Elf_Sym Elf32_Sym |
| 605 |
#define Elf_Rel Elf32_Rel |
| 606 |
#define Elf_Rela Elf32_Rela |
| 607 |
#define Elf_Dyn Elf32_Dyn |
| 608 |
#define Elf_Word Elf32_Word |
| 609 |
#define Elf_Sword Elf32_Sword |
| 610 |
#define Elf_Addr Elf32_Addr |
| 611 |
#define Elf_Off Elf32_Off |
| 612 |
#define Elf_Nhdr Elf32_Nhdr |
| 613 |
|
| 614 |
#define ELF_R_SYM ELF32_R_SYM |
| 615 |
#define ELF_R_TYPE ELF32_R_TYPE |
| 616 |
#define ELFCLASS ELFCLASS32 |
| 617 |
|
| 618 |
#define ELF_ST_BIND ELF32_ST_BIND |
| 619 |
#define ELF_ST_TYPE ELF32_ST_TYPE |
| 620 |
#define ELF_ST_INFO ELF32_ST_INFO |
| 621 |
|
| 622 |
#define AuxInfo Aux32Info |
| 623 |
#elif defined(ELFSIZE) && (ELFSIZE == 64) |
| 624 |
#define Elf_Ehdr Elf64_Ehdr |
| 625 |
#define Elf_Phdr Elf64_Phdr |
| 626 |
#define Elf_Shdr Elf64_Shdr |
| 627 |
#define Elf_Sym Elf64_Sym |
| 628 |
#define Elf_Rel Elf64_Rel |
| 629 |
#define Elf_Rela Elf64_Rela |
| 630 |
#define Elf_Dyn Elf64_Dyn |
| 631 |
#define Elf_Word Elf64_Word |
| 632 |
#define Elf_Sword Elf64_Sword |
| 633 |
#define Elf_Addr Elf64_Addr |
| 634 |
#define Elf_Off Elf64_Off |
| 635 |
#define Elf_Nhdr Elf64_Nhdr |
| 636 |
|
| 637 |
#define ELF_R_SYM ELF64_R_SYM |
| 638 |
#define ELF_R_TYPE ELF64_R_TYPE |
| 639 |
#define ELFCLASS ELFCLASS64 |
| 640 |
|
| 641 |
#define ELF_ST_BIND ELF64_ST_BIND |
| 642 |
#define ELF_ST_TYPE ELF64_ST_TYPE |
| 643 |
#define ELF_ST_INFO ELF64_ST_INFO |
| 644 |
|
| 645 |
#define AuxInfo Aux64Info |
| 646 |
#endif |
| 647 |
|
| 648 |
#ifdef _KERNEL |
| 649 |
|
| 650 |
#define ELF_AUX_ENTRIES 8 /* Size of aux array passed to loader */ |
| 651 |
#define ELF32_NO_ADDR (~(Elf32_Addr)0) /* Indicates addr. not yet filled in */ |
| 652 |
#define ELF64_NO_ADDR (~(Elf64_Addr)0) /* Indicates addr. not yet filled in */ |
| 653 |
|
| 654 |
#if defined(ELFSIZE) && (ELFSIZE == 64) |
| 655 |
#define ELF_NO_ADDR ELF64_NO_ADDR |
| 656 |
#elif defined(ELFSIZE) && (ELFSIZE == 32) |
| 657 |
#define ELF_NO_ADDR ELF32_NO_ADDR |
| 658 |
#endif |
| 659 |
|
| 660 |
#if defined(ELFSIZE) |
| 661 |
struct elf_args { |
| 662 |
Elf_Addr arg_entry; /* program entry point */ |
| 663 |
Elf_Addr arg_interp; /* Interpreter load address */ |
| 664 |
Elf_Addr arg_phaddr; /* program header address */ |
| 665 |
Elf_Addr arg_phentsize; /* Size of program header */ |
| 666 |
Elf_Addr arg_phnum; /* Number of program headers */ |
| 667 |
}; |
| 668 |
#endif |
| 669 |
|
| 670 |
#ifndef _LKM |
| 671 |
#include "opt_execfmt.h" |
| 672 |
#endif |
| 673 |
|
| 674 |
#ifdef EXEC_ELF32 |
| 675 |
int exec_elf32_makecmds __P((struct proc *, struct exec_package *)); |
| 676 |
int elf32_read_from __P((struct proc *, struct vnode *, u_long, |
| 677 |
caddr_t, int)); |
| 678 |
void *elf32_copyargs __P((struct exec_package *, struct ps_strings *, |
| 679 |
void *, void *)); |
| 680 |
#endif |
| 681 |
|
| 682 |
#ifdef EXEC_ELF64 |
| 683 |
int exec_elf64_makecmds __P((struct proc *, struct exec_package *)); |
| 684 |
int elf64_read_from __P((struct proc *, struct vnode *, u_long, |
| 685 |
caddr_t, int)); |
| 686 |
void *elf64_copyargs __P((struct exec_package *, struct ps_strings *, |
| 687 |
void *, void *)); |
| 688 |
#endif |
| 689 |
|
| 690 |
/* common */ |
| 691 |
int exec_elf_setup_stack __P((struct proc *, struct exec_package *)); |
| 692 |
|
| 693 |
#endif /* _KERNEL */ |
| 694 |
|
| 695 |
#endif /* __EXEC_ELF_H */ |
| 696 |
|
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