common.h

这是一个开放源代码的与WINNT/WIN2K/WIN2003兼容的操作系统

/*-
 * Copyright (c) 1998 John D. Polstra.
 * 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: src/sys/sys/elf_common.h,v 1.15 2004/05/05 02:38:54 marcel Exp $
 */

#ifndef _SYS_ELF_COMMON_H_
#define _SYS_ELF_COMMON_H_ 1

/*
 * ELF definitions that are independent of architecture or word size.
 */

/*
 * Note header.  The ".note" section contains an array of notes.  Each
 * begins with this header, aligned to a word boundary.  Immediately
 * following the note header is n_namesz bytes of name, padded to the
 * next word boundary.  Then comes n_descsz bytes of descriptor, again
 * padded to a word boundary.  The values of n_namesz and n_descsz do
 * not include the padding.
 */

typedef struct {
	UINT32	n_namesz;	/* Length of name. */
	UINT32	n_descsz;	/* Length of descriptor. */
	UINT32	n_type;		/* Type of this note. */
} Elf_Note;

/* Indexes into the e_ident array.  Keep synced with 
   http://www.sco.com/developer/gabi/ch4.eheader.html */
#define EI_MAG0		0	/* Magic number, byte 0. */
#define EI_MAG1		1	/* Magic number, byte 1. */
#define EI_MAG2		2	/* Magic number, byte 2. */
#define EI_MAG3		3	/* Magic number, byte 3. */
#define EI_CLASS	4	/* Class of machine. */
#define EI_DATA		5	/* Data format. */
#define EI_VERSION	6	/* ELF format version. */
#define EI_OSABI	7	/* Operating system / ABI identification */
#define EI_ABIVERSION	8	/* ABI version */
#define OLD_EI_BRAND	8	/* Start of architecture identification. */
#define EI_PAD		9	/* Start of padding (per SVR4 ABI). */
#define EI_NIDENT	16	/* Size of e_ident array. */

/* Values for the magic number bytes. */
#define ELFMAG0		0x7f
#define ELFMAG1		'E'
#define ELFMAG2		'L'
#define ELFMAG3		'F'
#define ELFMAG		"\177ELF"	/* magic string */
#define SELFMAG		4		/* magic string size */

/* Values for e_ident[EI_VERSION] and e_version. */
#define EV_NONE		0
#define EV_CURRENT	1

/* Values for e_ident[EI_CLASS]. */
#define ELFCLASSNONE	0	/* Unknown class. */
#define ELFCLASS32	1	/* 32-bit architecture. */
#define ELFCLASS64	2	/* 64-bit architecture. */

/* Values for e_ident[EI_DATA]. */
#define ELFDATANONE	0	/* Unknown data format. */
#define ELFDATA2LSB	1	/* 2's complement little-endian. */
#define ELFDATA2MSB	2	/* 2's complement big-endian. */

/* Values for e_ident[EI_OSABI]. */
#define ELFOSABI_SYSV		0	/* UNIX System V ABI */
#define ELFOSABI_NONE		ELFOSABI_SYSV	/* symbol used in old spec */
#define ELFOSABI_HPUX		1	/* HP-UX operating system */
#define ELFOSABI_NETBSD		2	/* NetBSD */
#define ELFOSABI_LINUX		3	/* GNU/Linux */
#define ELFOSABI_HURD		4	/* GNU/Hurd */
#define ELFOSABI_86OPEN		5	/* 86Open common IA32 ABI */
#define ELFOSABI_SOLARIS	6	/* Solaris */
#define ELFOSABI_MONTEREY	7	/* Monterey */
#define ELFOSABI_IRIX		8	/* IRIX */
#define ELFOSABI_FREEBSD	9	/* FreeBSD */
#define ELFOSABI_TRU64		10	/* TRU64 UNIX */
#define ELFOSABI_MODESTO	11	/* Novell Modesto */
#define ELFOSABI_OPENBSD	12	/* OpenBSD */
#define ELFOSABI_ARM		97	/* ARM */
#define ELFOSABI_STANDALONE	255	/* Standalone (embedded) application */

/* e_ident */
#define IS_ELF(ehdr)	((ehdr).e_ident[EI_MAG0] == ELFMAG0 && \
			 (ehdr).e_ident[EI_MAG1] == ELFMAG1 && \
			 (ehdr).e_ident[EI_MAG2] == ELFMAG2 && \
			 (ehdr).e_ident[EI_MAG3] == ELFMAG3)

/* Values for e_type. */
#define ET_NONE		0	/* Unknown type. */
#define ET_REL		1	/* Relocatable. */
#define ET_EXEC		2	/* Executable. */
#define ET_DYN		3	/* Shared object. */
#define ET_CORE		4	/* Core file. */

/* Values for e_machine. */
/*
 * Source:
 *  System V Application Binary Interface (DRAFT) 2003-12-17, Chapter 4, Section
 *  "ELF Header"
 */
#define EM_NONE 	0	/* No machine */
#define EM_M32  	1	/* AT&T WE 32100 */
#define EM_SPARC	2	/* SPARC */
#define EM_386  	3	/* Intel 80386 */
#define EM_68K  	4	/* Motorola 68000 */
#define EM_88K  	5	/* Motorola 88000 */
/*      reserved	6	   Reserved for future use (was EM_486) */
#define EM_860  	7	/* Intel 80860 */
#define EM_MIPS 	8	/* MIPS I Architecture */
#define EM_S370 	9	/* IBM System/370 Processor */
#define EM_MIPS_RS3_LE	10	/* MIPS RS3000 Little-endian */
/*      reserved	11-14	   Reserved for future use */
#define EM_PARISC	15	/* Hewlett-Packard PA-RISC */
/*      reserved	16	   Reserved for future use */
#define EM_VPP500	17	/* Fujitsu VPP500 */
#define EM_SPARC32PLUS	18	/* Enhanced instruction set SPARC */
#define EM_960  	19	/* Intel 80960 */
#define EM_PPC  	20	/* PowerPC */
#define EM_PPC64	21	/* 64-bit PowerPC */
#define EM_S390 	22	/* IBM System/390 Processor */
/*      reserved	23-35	   Reserved for future use */
#define EM_V800 	36	/* NEC V800 */
#define EM_FR20 	37	/* Fujitsu FR20 */
#define EM_RH32 	38	/* TRW RH-32 */
#define EM_RCE  	39	/* Motorola RCE */
#define EM_ARM  	40	/* Advanced RISC Machines ARM */
#define EM_ALPHA	41	/* Digital Alpha */
#define EM_SH   	42	/* Hitachi SH */
#define EM_SPARCV9	43	/* SPARC Version 9 */
#define EM_TRICORE	44	/* Siemens TriCore embedded processor */
#define EM_ARC  	45	/* Argonaut RISC Core, Argonaut Technologies
				   Inc. */
#define EM_H8_300	46	/* Hitachi H8/300 */
#define EM_H8_300H	47	/* Hitachi H8/300H */
#define EM_H8S  	48	/* Hitachi H8S */
#define EM_H8_500	49	/* Hitachi H8/500 */
#define EM_IA_64	50	/* Intel IA-64 processor architecture */
#define EM_MIPS_X	51	/* Stanford MIPS-X */
#define EM_COLDFIRE	52	/* Motorola ColdFire */
#define EM_68HC12	53	/* Motorola M68HC12 */
#define EM_MMA  	54	/* Fujitsu MMA Multimedia Accelerator */
#define EM_PCP  	55	/* Siemens PCP */
#define EM_NCPU 	56	/* Sony nCPU embedded RISC processor */
#define EM_NDR1 	57	/* Denso NDR1 microprocessor */
#define EM_STARCORE	58	/* Motorola Star*Core processor */
#define EM_ME16 	59	/* Toyota ME16 processor */
#define EM_ST100	60	/* STMicroelectronics ST100 processor */
#define EM_TINYJ	61	/* Advanced Logic Corp. TinyJ embedded processor
				   family */
#define EM_X86_64	62	/* AMD x86-64 architecture */
#define EM_PDSP 	63	/* Sony DSP Processor */
#define EM_PDP10	64	/* Digital Equipment Corp. PDP-10 */
#define EM_PDP11	65	/* Digital Equipment Corp. PDP-11 */
#define EM_FX66 	66	/* Siemens FX66 microcontroller */
#define EM_ST9PLUS	67	/* STMicroelectronics ST9+ 8/16 bit
				   microcontroller */
#define EM_ST7  	68	/* STMicroelectronics ST7 8-bit
				   microcontroller */
#define EM_68HC16	69	/* Motorola MC68HC16 Microcontroller */
#define EM_68HC11	70	/* Motorola MC68HC11 Microcontroller */
#define EM_68HC08	71	/* Motorola MC68HC08 Microcontroller */
#define EM_68HC05	72	/* Motorola MC68HC05 Microcontroller */
#define EM_SVX  	73	/* Silicon Graphics SVx */
#define EM_ST19 	74	/* STMicroelectronics ST19 8-bit
				   microcontroller */
#define EM_VAX  	75	/* Digital VAX */
#define EM_CRIS 	76	/* Axis Communications 32-bit embedded
				   processor */
#define EM_JAVELIN	77	/* Infineon Technologies 32-bit embedded
				   processor */
#define EM_FIREPATH	78	/* Element 14 64-bit DSP Processor */
#define EM_ZSP  	79	/* LSI Logic 16-bit DSP Processor */
#define EM_MMIX 	80	/* Donald Knuth's educational 64-bit