/*

 * elf_repl.h - public header file for systems that lack it.

 * Copyright (C) 1995 - 2006 Michael Riepe

 * 

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Library General Public

 * License as published by the Free Software Foundation; either

 * version 2 of the License, or (at your option) any later version.

 * 

 * This library is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 * Library General Public License for more details.

 * 

 * You should have received a copy of the GNU Library General Public

 * License along with this library; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

 */

/* @(#) $Id: elf_repl.h,v 1.20 2006/07/07 22:16:15 michael Exp $ */

/*

 * NEVER INCLUDE THIS FILE DIRECTLY - USE <libelf.h> INSTEAD!

 */

#ifndef _ELF_REPL_H

#define _ELF_REPL_H

#ifdef __cplusplus

extern "C" {

#endif /* __cplusplus */

/*

 * Scalar data types

 */

typedef __libelf_u32_t		Elf32_Addr;

typedef __libelf_u16_t		Elf32_Half;

typedef __libelf_u32_t		Elf32_Off;

typedef __libelf_i32_t		Elf32_Sword;

typedef __libelf_u32_t		Elf32_Word;

#define ELF32_FSZ_ADDR		4

#define ELF32_FSZ_HALF		2

#define ELF32_FSZ_OFF		4

#define ELF32_FSZ_SWORD		4

#define ELF32_FSZ_WORD		4

#if __LIBELF64

typedef __libelf_u64_t		Elf64_Addr;

typedef __libelf_u16_t		Elf64_Half;

typedef __libelf_u64_t		Elf64_Off;

typedef __libelf_i32_t		Elf64_Sword;

typedef __libelf_u32_t		Elf64_Word;

typedef __libelf_i64_t		Elf64_Sxword;

typedef __libelf_u64_t		Elf64_Xword;

#define ELF64_FSZ_ADDR		8

#define ELF64_FSZ_HALF		2

#define ELF64_FSZ_OFF		8

#define ELF64_FSZ_SWORD		4

#define ELF64_FSZ_WORD		4

#define ELF64_FSZ_SXWORD	8

#define ELF64_FSZ_XWORD		8

/*

 * Blame Sun for this...

 */

typedef __libelf_u64_t		Elf64_Lword;

typedef __libelf_u64_t		Elf32_Lword;

#endif /* __LIBELF64 */

/*

 * ELF header

 */

#define EI_NIDENT	16

typedef struct {

    unsigned char	e_ident[EI_NIDENT];

    Elf32_Half		e_type;

    Elf32_Half		e_machine;

    Elf32_Word		e_version;

    Elf32_Addr		e_entry;

    Elf32_Off		e_phoff;

    Elf32_Off		e_shoff;

    Elf32_Word		e_flags;

    Elf32_Half		e_ehsize;

    Elf32_Half		e_phentsize;

    Elf32_Half		e_phnum;

    Elf32_Half		e_shentsize;

    Elf32_Half		e_shnum;

    Elf32_Half		e_shstrndx;

} Elf32_Ehdr;

#if __LIBELF64

typedef struct {

    unsigned char	e_ident[EI_NIDENT];

    Elf64_Half		e_type;

    Elf64_Half		e_machine;

    Elf64_Word		e_version;

    Elf64_Addr		e_entry;

    Elf64_Off		e_phoff;

    Elf64_Off		e_shoff;

    Elf64_Word		e_flags;

    Elf64_Half		e_ehsize;

    Elf64_Half		e_phentsize;

    Elf64_Half		e_phnum;

    Elf64_Half		e_shentsize;

    Elf64_Half		e_shnum;

    Elf64_Half		e_shstrndx;

} Elf64_Ehdr;

#endif /* __LIBELF64 */

/*

 * e_ident

 */

#define EI_MAG0		0

#define EI_MAG1		1

#define EI_MAG2		2

#define EI_MAG3		3

#define EI_CLASS	4

#define EI_DATA		5

#define EI_VERSION	6

#define EI_OSABI	7

#define EI_ABIVERSION	8

#define EI_PAD		9

#define ELFMAG0		0x7f

#define ELFMAG1		'E'

#define ELFMAG2		'L'

#define ELFMAG3		'F'

#define ELFMAG		"\177ELF"

#define SELFMAG		4

/*

 * e_ident[EI_CLASS]

 */

#define ELFCLASSNONE	0

#define ELFCLASS32	1

#define ELFCLASS64	2

#define ELFCLASSNUM	3

/*

 * e_ident[EI_DATA]

 */

#define ELFDATANONE	0

#define ELFDATA2LSB	1

#define ELFDATA2MSB	2

#define ELFDATANUM	3

/*

 * e_ident[EI_OSABI]

 */

#define ELFOSABI_NONE		0	/* No extensions or unspecified */

#define ELFOSABI_SYSV		ELFOSABI_NONE

#define ELFOSABI_HPUX		1	/* Hewlett-Packard HP-UX */

#define ELFOSABI_NETBSD		2	/* NetBSD */

#define ELFOSABI_LINUX		3	/* Linux */

#define ELFOSABI_SOLARIS	6	/* Sun Solaris */

#define ELFOSABI_AIX		7	/* AIX */

#define ELFOSABI_IRIX		8	/* IRIX */

#define ELFOSABI_FREEBSD	9	/* FreeBSD */

#define ELFOSABI_TRU64		10	/* Compaq TRU64 UNIX */

#define ELFOSABI_MODESTO	11	/* Novell Modesto */

#define ELFOSABI_OPENBSD	12	/* Open BSD */

#define ELFOSABI_OPENVMS	13	/* Open VMS */

#define ELFOSABI_NSK		14	/* Hewlett-Packard Non-Stop Kernel */

#define ELFOSABI_AROS	 	15 	/* Amiga Research OS */

/* these are probably obsolete: */

#define ELFOSABI_ARM		97	/* ARM */

#define ELFOSABI_STANDALONE	255	/* standalone (embedded) application */

/*

 * e_type

 */

#define ET_NONE		0

#define ET_REL		1

#define ET_EXEC		2

#define ET_DYN		3

#define ET_CORE		4

#define ET_NUM		5

#define ET_LOOS		0xfe00

#define ET_HIOS		0xfeff

#define ET_LOPROC	0xff00

#define ET_HIPROC	0xffff

/*

 * e_machine

 */

#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 */

#define EM_486		6	/* Intel i486 (DO NOT USE THIS ONE) */

#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 */

#define EM_SPARC64	11	/* SPARC 64-bit */

#define EM_PARISC	15	/* Hewlett-Packard PA-RISC */

#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 */

#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_AMD64	EM_X86_64

#define EM_PDSP		63	/* Sony DSP Processor */

#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 processor */

#define EM_HUANY	81	/* Harvard University machine-independent object files */

#define EM_PRISM	82	/* SiTera Prism */

#define EM_AVR		83	/* Atmel AVR 8-bit microcontroller */

#define EM_FR30		84	/* Fujitsu FR30 */

#define EM_D10V		85	/* Mitsubishi D10V */

#define EM_D30V		86	/* Mitsubishi D30V */

#define EM_V850		87	/* NEC v850 */

#define EM_M32R		88	/* Mitsubishi M32R */

#define EM_MN10300	89	/* Matsushita MN10300 */

#define EM_MN10200	90	/* Matsushita MN10200 */

#define EM_PJ		91	/* picoJava */

#define EM_OPENRISC	92	/* OpenRISC 32-bit embedded processor */

#define EM_ARC_A5	93	/* ARC Cores Tangent-A5 */

#define EM_XTENSA	94	/* Tensilica Xtensa Architecture */

#define EM_VIDEOCORE	95	/* Alphamosaic VideoCore processor */

#define EM_TMM_GPP	96	/* Thompson Multimedia General Purpose Processor */

#define EM_NS32K	97	/* National Semiconductor 32000 series */

#define EM_TPC		98	/* Tenor Network TPC processor */

#define EM_SNP1K	99	/* Trebia SNP 1000 processor */

#define EM_ST200	100	/* STMicroelectronics (www.st.com) ST200 microcontroller */

#define EM_IP2K 	101 	/* Ubicom IP2xxx microcontroller family */

#define EM_MAX 		102 	/* MAX Processor */

#define EM_CR 		103 	/* National Semiconductor CompactRISC microprocessor */

#define EM_F2MC16 	104 	/* Fujitsu F2MC16 */

#define EM_MSP430 	105 	/* Texas Instruments embedded microcontroller msp430 */

#define EM_BLACKFIN	106 	/* Analog Devices Blackfin (DSP) processor */

#define EM_SE_C33 	107 	/* S1C33 Family of Seiko Epson processors */

#define EM_SEP 		108 	/* Sharp embedded microprocessor */

#define EM_ARCA 	109 	/* Arca RISC Microprocessor */

#define EM_UNICORE 	110 	/* Microprocessor series from PKU-Unity Ltd. and MPRC of Peking University */

#define EM_NUM		111

/*

 * e_ident[EI_VERSION], e_version

 */

#define EV_NONE		0

#define EV_CURRENT	1

#define EV_NUM		2

/*

 * Section header

 */

typedef struct {

    Elf32_Word		sh_name;

    Elf32_Word		sh_type;

    Elf32_Word		sh_flags;

    Elf32_Addr		sh_addr;

    Elf32_Off		sh_offset;

    Elf32_Word		sh_size;

    Elf32_Word		sh_link;

    Elf32_Word		sh_info;

    Elf32_Word		sh_addralign;

    Elf32_Word		sh_entsize;

} Elf32_Shdr;

#if __LIBELF64

typedef struct {

    Elf64_Word		sh_name;

    Elf64_Word		sh_type;

    Elf64_Xword		sh_flags;

    Elf64_Addr		sh_addr;

    Elf64_Off		sh_offset;

    Elf64_Xword		sh_size;

    Elf64_Word		sh_link;

    Elf64_Word		sh_info;

    Elf64_Xword		sh_addralign;

    Elf64_Xword		sh_entsize;

} Elf64_Shdr;

#endif /* __LIBELF64 */

/*

 * Special section indices

 */

#define SHN_UNDEF	0

#define SHN_LORESERVE	0xff00

#define SHN_LOPROC	0xff00

#define SHN_HIPROC	0xff1f

#define SHN_LOOS	0xff20

#define SHN_HIOS	0xff3f

#define SHN_ABS		0xfff1

#define SHN_COMMON	0xfff2

#define SHN_XINDEX	0xffff

#define SHN_HIRESERVE	0xffff

/*

 * sh_type

 */

#define SHT_NULL		0

#define SHT_PROGBITS		1

#define SHT_SYMTAB		2

#define SHT_STRTAB		3

#define SHT_RELA		4

#define SHT_HASH		5

#define SHT_DYNAMIC		6

#define SHT_NOTE		7

#define SHT_NOBITS		8

#define SHT_REL			9

#define SHT_SHLIB		10

#define SHT_DYNSYM		11

#define SHT_INIT_ARRAY		14

#define SHT_FINI_ARRAY		15

#define SHT_PREINIT_ARRAY	16

#define SHT_GROUP		17

#define SHT_SYMTAB_SHNDX	18

#define SHT_NUM			19

#define SHT_LOOS		0x60000000

#define SHT_HIOS		0x6fffffff

#define SHT_LOPROC		0x70000000

#define SHT_HIPROC		0x7fffffff

#define SHT_LOUSER		0x80000000

#define SHT_HIUSER		0xffffffff

/*

 * Solaris extensions

 */

#define SHT_LOSUNW		0x6ffffff4

#define SHT_SUNW_dof		0x6ffffff4

#define SHT_SUNW_cap		0x6ffffff5

#define SHT_SUNW_SIGNATURE	0x6ffffff6

#define SHT_SUNW_ANNOTATE	0x6ffffff7

#define SHT_SUNW_DEBUGSTR	0x6ffffff8

#define SHT_SUNW_DEBUG		0x6ffffff9

#define SHT_SUNW_move		0x6ffffffa

#define SHT_SUNW_COMDAT		0x6ffffffb

#define SHT_SUNW_syminfo	0x6ffffffc

#define SHT_SUNW_verdef		0x6ffffffd

#define SHT_SUNW_verneed	0x6ffffffe

#define SHT_SUNW_versym		0x6fffffff

#define SHT_HISUNW		0x6fffffff

#define SHT_SPARC_GOTDATA	0x70000000

#define SHT_AMD64_UNWIND	0x70000001 

/*

 * GNU extensions

 */

#define SHT_GNU_verdef		0x6ffffffd

#define SHT_GNU_verneed		0x6ffffffe

#define SHT_GNU_versym		0x6fffffff

/*

 * sh_flags

 */

#define SHF_WRITE		0x1

#define SHF_ALLOC		0x2

#define SHF_EXECINSTR		0x4

#define SHF_MERGE		0x10

#define SHF_STRINGS		0x20

#define SHF_INFO_LINK		0x40

#define SHF_LINK_ORDER		0x80

#define SHF_OS_NONCONFORMING	0x100

#define SHF_GROUP		0x200

#define SHF_TLS			0x400

#define SHF_MASKOS		0x0ff00000

#define SHF_MASKPROC		0xf0000000

/*

 * Solaris extensions

 */

#define SHF_AMD64_LARGE		0x10000000

#define SHF_ORDERED		0x40000000

#define SHF_EXCLUDE		0x80000000

/*

 * Section group flags

 */

#define GRP_COMDAT		0x1

#define GRP_MASKOS		0x0ff00000

#define GRP_MASKPROC		0xf0000000

/*

 * Symbol table

 */

typedef struct {

    Elf32_Word		st_name;

    Elf32_Addr		st_value;

    Elf32_Word		st_size;

    unsigned char	st_info;

    unsigned char	st_other;

    Elf32_Half		st_shndx;

} Elf32_Sym;

#if __LIBELF64

typedef struct {

    Elf64_Word		st_name;

    unsigned char	st_info;

    unsigned char	st_other;

    Elf64_Half		st_shndx;

    Elf64_Addr		st_value;

    Elf64_Xword		st_size;

} Elf64_Sym;

#endif /* __LIBELF64 */

/*

 * Special symbol indices

 */

#define STN_UNDEF	0

/*

 * Macros for manipulating st_info

 */

#define ELF32_ST_BIND(i)	((i)>>4)

#define ELF32_ST_TYPE(i)	((i)&0xf)

#define ELF32_ST_INFO(b,t)	(((b)<<4)+((t)&0xf))

#if __LIBELF64

#define ELF64_ST_BIND(i)	((i)>>4)

#define ELF64_ST_TYPE(i)	((i)&0xf)

#define ELF64_ST_INFO(b,t)	(((b)<<4)+((t)&0xf))

#endif /* __LIBELF64 */

/*

 * Symbol binding

 */

#define STB_LOCAL	0

#define STB_GLOBAL	1

#define STB_WEAK	2

#define STB_NUM		3

#define STB_LOOS	10

#define STB_HIOS	12

#define STB_LOPROC	13

#define STB_HIPROC	15

/*

 * Symbol types

 */

#define STT_NOTYPE	0

#define STT_OBJECT	1

#define STT_FUNC	2

#define STT_SECTION	3

#define STT_FILE	4

#define STT_COMMON	5

#define STT_TLS		6

#define STT_NUM		7

#define STT_LOOS	10

#define STT_HIOS	12

#define STT_LOPROC	13

#define STT_HIPROC	15

/*

 * Macros for manipulating st_other

 */

#define ELF32_ST_VISIBILITY(o)	((o)&0x3)

#if __LIBELF64

#define ELF64_ST_VISIBILITY(o)	((o)&0x3)

#endif /* __LIBELF64 */

/*

 * Symbol visibility

 */

#define STV_DEFAULT	0

#define STV_INTERNAL	1

#define STV_HIDDEN	2

#define STV_PROTECTED	3

/*

 * Relocation

 */

typedef struct {

    Elf32_Addr		r_offset;

    Elf32_Word		r_info;

} Elf32_Rel;

typedef struct {

    Elf32_Addr		r_offset;

    Elf32_Word		r_info;

    Elf32_Sword		r_addend;

} Elf32_Rela;

#if __LIBELF64

typedef struct {

    Elf64_Addr		r_offset;

    Elf64_Xword		r_info;

} Elf64_Rel;