mirror of
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	Replace reference to the correct name STMicroelectronics Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com> Reviewed-by: Heiko Schocher <hs@denx.de> Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
		
			
				
	
	
		
			702 lines
		
	
	
		
			27 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			702 lines
		
	
	
		
			27 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* SPDX-License-Identifier: BSD-3-Clause */
 | |
| /*
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|  * Copyright (c) 1995, 1996, 2001, 2002
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|  * Erik Theisen.  All rights reserved.
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|  */
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| 
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| /* This is the ELF ABI header file formerly known as "elf_abi.h" */
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| 
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| #ifndef _ELF_H
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| #define _ELF_H
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| 
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| #ifndef __ASSEMBLY__
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| #include "compiler.h"
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| 
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| /* This version doesn't work for 64-bit ABIs - Erik */
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| 
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| /* These typedefs need to be handled better */
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| typedef uint32_t	Elf32_Addr;	/* Unsigned program address */
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| typedef uint32_t	Elf32_Off;	/* Unsigned file offset */
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| typedef int32_t		Elf32_Sword;	/* Signed large integer */
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| typedef uint32_t	Elf32_Word;	/* Unsigned large integer */
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| typedef uint16_t	Elf32_Half;	/* Unsigned medium integer */
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| 
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| /* 64-bit ELF base types */
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| typedef uint64_t	Elf64_Addr;
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| typedef uint16_t	Elf64_Half;
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| typedef int16_t		Elf64_SHalf;
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| typedef uint64_t	Elf64_Off;
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| typedef int32_t		Elf64_Sword;
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| typedef uint32_t	Elf64_Word;
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| typedef uint64_t	Elf64_Xword;
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| typedef int64_t		Elf64_Sxword;
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| 
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| /* e_ident[] identification indexes */
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| #define EI_MAG0		0		/* file ID */
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| #define EI_MAG1		1		/* file ID */
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| #define EI_MAG2		2		/* file ID */
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| #define EI_MAG3		3		/* file ID */
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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		/* ELF header version */
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| #define EI_OSABI	7		/* OS/ABI specific ELF extensions */
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| #define EI_ABIVERSION	8		/* ABI target version */
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| #define EI_PAD		9		/* start of pad bytes */
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| #define EI_NIDENT	16		/* Size of e_ident[] */
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| 
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| /* e_ident[] magic number */
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| #define	ELFMAG0		0x7f		/* e_ident[EI_MAG0] */
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| #define	ELFMAG1		'E'		/* e_ident[EI_MAG1] */
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| #define	ELFMAG2		'L'		/* e_ident[EI_MAG2] */
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| #define	ELFMAG3		'F'		/* e_ident[EI_MAG3] */
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| #define	ELFMAG		"\177ELF"	/* magic */
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| #define	SELFMAG		4		/* size of magic */
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| 
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| /* e_ident[] file class */
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| #define	ELFCLASSNONE	0		/* invalid */
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| #define	ELFCLASS32	1		/* 32-bit objs */
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| #define	ELFCLASS64	2		/* 64-bit objs */
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| #define	ELFCLASSNUM	3		/* number of classes */
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| 
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| /* e_ident[] data encoding */
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| #define ELFDATANONE	0		/* invalid */
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| #define ELFDATA2LSB	1		/* Little-Endian */
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| #define ELFDATA2MSB	2		/* Big-Endian */
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| #define ELFDATANUM	3		/* number of data encode defines */
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| 
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| /* e_ident[] OS/ABI specific ELF extensions */
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| #define ELFOSABI_NONE		0	/* No extension specified */
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| #define ELFOSABI_HPUX		1	/* Hewlett-Packard HP-UX */
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| #define ELFOSABI_NETBSD		2	/* NetBSD */
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| #define ELFOSABI_LINUX		3	/* Linux */
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| #define ELFOSABI_SOLARIS	6	/* Sun Solaris */
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| #define ELFOSABI_AIX		7	/* AIX */
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| #define ELFOSABI_IRIX		8	/* IRIX */
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| #define ELFOSABI_FREEBSD	9	/* FreeBSD */
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| #define ELFOSABI_TRU64		10	/* Compaq TRU64 UNIX */
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| #define ELFOSABI_MODESTO	11	/* Novell Modesto */
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| #define ELFOSABI_OPENBSD	12	/* OpenBSD */
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| /* 64-255 Architecture-specific value range */
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| 
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| /* e_ident[] ABI Version */
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| #define ELFABIVERSION		0
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| 
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| /* e_ident */
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| #define IS_ELF(ehdr) ((ehdr).e_ident[EI_MAG0] == ELFMAG0 && \
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| 		      (ehdr).e_ident[EI_MAG1] == ELFMAG1 && \
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| 		      (ehdr).e_ident[EI_MAG2] == ELFMAG2 && \
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| 		      (ehdr).e_ident[EI_MAG3] == ELFMAG3)
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| 
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| /* ELF Header */
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| typedef struct {
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| 	unsigned char	e_ident[EI_NIDENT]; /* ELF Identification */
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| 	Elf32_Half	e_type;		/* object file type */
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| 	Elf32_Half	e_machine;	/* machine */
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| 	Elf32_Word	e_version;	/* object file version */
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| 	Elf32_Addr	e_entry;	/* virtual entry point */
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| 	Elf32_Off	e_phoff;	/* program header table offset */
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| 	Elf32_Off	e_shoff;	/* section header table offset */
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| 	Elf32_Word	e_flags;	/* processor-specific flags */
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| 	Elf32_Half	e_ehsize;	/* ELF header size */
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| 	Elf32_Half	e_phentsize;	/* program header entry size */
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| 	Elf32_Half	e_phnum;	/* number of program header entries */
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| 	Elf32_Half	e_shentsize;	/* section header entry size */
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| 	Elf32_Half	e_shnum;	/* number of section header entries */
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| 	Elf32_Half	e_shstrndx;	/* section header table's "section
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| 					   header string table" entry offset */
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| } Elf32_Ehdr;
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| 
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| typedef struct {
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| 	unsigned char	e_ident[EI_NIDENT]; /* ELF Identification */
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| 	Elf64_Half	e_type;		/* object file type */
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| 	Elf64_Half	e_machine;	/* machine */
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| 	Elf64_Word	e_version;	/* object file version */
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| 	Elf64_Addr	e_entry;	/* virtual entry point */
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| 	Elf64_Off	e_phoff;	/* program header table offset */
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| 	Elf64_Off	e_shoff;	/* section header table offset */
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| 	Elf64_Word	e_flags;	/* processor-specific flags */
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| 	Elf64_Half	e_ehsize;	/* ELF header size */
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| 	Elf64_Half	e_phentsize;	/* program header entry size */
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| 	Elf64_Half	e_phnum;	/* number of program header entries */
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| 	Elf64_Half	e_shentsize;	/* section header entry size */
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| 	Elf64_Half	e_shnum;	/* number of section header entries */
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| 	Elf64_Half	e_shstrndx;	/* section header table's "section
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| 					   header string table" entry offset */
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| } Elf64_Ehdr;
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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		/* number of types */
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| #define ET_LOOS		0xfe00		/* reserved range for operating */
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| #define ET_HIOS		0xfeff		/* system specific e_type */
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| #define ET_LOPROC	0xff00		/* reserved range for processor */
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| #define ET_HIPROC	0xffff		/* specific e_type */
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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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| #if 0
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| #define EM_486		6		/* RESERVED - was Intel 80486 */
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| #endif
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| #define EM_860		7		/* Intel 80860 */
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| #define EM_MIPS		8		/* MIPS R3000 Big-Endian only */
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| #define EM_S370		9		/* IBM System/370 Processor */
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| #define EM_MIPS_RS4_BE	10		/* MIPS R4000 Big-Endian */
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| #if 0
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| #define EM_SPARC64	11		/* RESERVED - was SPARC v9
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| 					     64-bit unoffical */
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| #endif
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| /* RESERVED 11-14 for future use */
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| #define EM_PARISC	15		/* HPPA */
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| /* RESERVED 16 for future use */
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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		/* 64-bit PowerPC */
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| #define EM_S390		22		/* IBM System/390 Processor */
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| /* RESERVED 23-35 for future use */
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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 SH */
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| #define EM_SPARCV9	43		/* SPARC Version 9 */
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| #define EM_TRICORE	44		/* Siemens TriCore embedded processor */
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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 */
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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 M68HC12 */
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| #define EM_MMA		54		/* Fujitsu MMA Multimedia Accelerator*/
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| #define EM_PCP		55		/* Siemens PCP */
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| #define EM_NCPU		56		/* Sony nCPU embeeded RISC */
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| #define EM_NDR1		57		/* Denso NDR1 microprocessor */
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| #define EM_STARCORE	58		/* Motorola Start*Core processor */
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| #define EM_ME16		59		/* Toyota ME16 processor */
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| #define EM_ST100	60		/* STMicroelectronics ST100 processor */
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| #define EM_TINYJ	61		/* Advanced Logic Corp. Tinyj emb.fam*/
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| #define EM_X86_64	62		/* AMD x86-64 */
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| #define EM_PDSP		63		/* Sony DSP Processor */
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| /* RESERVED 64,65 for future use */
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| #define EM_FX66		66		/* Siemens FX66 microcontroller */
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| #define EM_ST9PLUS	67		/* STMicroelectronics ST9+ 8/16 mc */
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| #define EM_ST7		68		/* STMicroelectronics ST7 8 bit mc */
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| #define EM_68HC16	69		/* Motorola MC68HC16 microcontroller */
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| #define EM_68HC11	70		/* Motorola MC68HC11 microcontroller */
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| #define EM_68HC08	71		/* Motorola MC68HC08 microcontroller */
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| #define EM_68HC05	72		/* Motorola MC68HC05 microcontroller */
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| #define EM_SVX		73		/* Silicon Graphics SVx */
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| #define EM_ST19		74		/* STMicroelectronics ST19 8 bit mc */
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| #define EM_VAX		75		/* Digital VAX */
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| #define EM_CHRIS	76		/* Axis Communications embedded proc. */
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| #define EM_JAVELIN	77		/* Infineon Technologies emb. proc. */
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| #define EM_FIREPATH	78		/* Element 14 64-bit DSP Processor */
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| #define EM_ZSP		79		/* LSI Logic 16-bit DSP Processor */
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| #define EM_MMIX		80		/* Donald Knuth's edu 64-bit proc. */
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| #define EM_HUANY	81		/* Harvard University mach-indep objs */
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| #define EM_PRISM	82		/* SiTera Prism */
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| #define EM_AVR		83		/* Atmel AVR 8-bit microcontroller */
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| #define EM_FR30		84		/* Fujitsu FR30 */
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| #define EM_D10V		85		/* Mitsubishi DV10V */
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| #define EM_D30V		86		/* Mitsubishi DV30V */
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| #define EM_V850		87		/* NEC v850 */
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| #define EM_M32R		88		/* Mitsubishi M32R */
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| #define EM_MN10300	89		/* Matsushita MN10200 */
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| #define EM_MN10200	90		/* Matsushita MN10200 */
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| #define EM_PJ		91		/* picoJava */
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| #define EM_NUM		92		/* number of machine types */
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| 
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| /* Version */
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| #define EV_NONE		0		/* Invalid */
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| #define EV_CURRENT	1		/* Current */
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| #define EV_NUM		2		/* number of versions */
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| 
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| /* Section Header */
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| typedef struct {
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| 	Elf32_Word	sh_name;	/* name - index into section header
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| 					   string table section */
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| 	Elf32_Word	sh_type;	/* type */
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| 	Elf32_Word	sh_flags;	/* flags */
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| 	Elf32_Addr	sh_addr;	/* 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;	/* section header table index link */
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| 	Elf32_Word	sh_info;	/* extra information */
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| 	Elf32_Word	sh_addralign;	/* address alignment */
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| 	Elf32_Word	sh_entsize;	/* section entry size */
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| } Elf32_Shdr;
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| 
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| typedef struct {
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| 	Elf64_Word	sh_name;	/* name - index into section header
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| 					   string table section */
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| 	Elf64_Word	sh_type;	/* type */
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| 	Elf64_Xword	sh_flags;	/* flags */
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| 	Elf64_Addr	sh_addr;	/* 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_Word	sh_link;	/* section header table index link */
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| 	Elf64_Word	sh_info;	/* extra information */
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| 	Elf64_Xword	sh_addralign;	/* address alignment */
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| 	Elf64_Xword	sh_entsize;	/* section entry size */
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| } Elf64_Shdr;
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| 
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| /* Special Section Indexes */
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| #define SHN_UNDEF	0		/* undefined */
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| #define SHN_LORESERVE	0xff00		/* lower bounds of reserved indexes */
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| #define SHN_LOPROC	0xff00		/* reserved range for processor */
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| #define SHN_HIPROC	0xff1f		/* specific section indexes */
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| #define SHN_LOOS	0xff20		/* reserved range for operating */
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| #define SHN_HIOS	0xff3f		/* specific semantics */
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| #define SHN_ABS		0xfff1		/* absolute value */
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| #define SHN_COMMON	0xfff2		/* common symbol */
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| #define SHN_XINDEX	0xffff		/* Index is an extra table */
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| #define SHN_HIRESERVE	0xffff		/* upper bounds of reserved indexes */
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| 
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| /* sh_type */
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| #define SHT_NULL	0		/* inactive */
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| #define SHT_PROGBITS	1		/* program defined information */
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| #define SHT_SYMTAB	2		/* symbol table section */
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| #define SHT_STRTAB	3		/* string table section */
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| #define SHT_RELA	4		/* relocation section with addends*/
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| #define SHT_HASH	5		/* symbol hash table section */
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| #define SHT_DYNAMIC	6		/* dynamic section */
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| #define SHT_NOTE	7		/* note section */
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| #define SHT_NOBITS	8		/* no space section */
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| #define SHT_REL		9		/* relation section without addends */
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| #define SHT_SHLIB	10		/* reserved - purpose unknown */
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| #define SHT_DYNSYM	11		/* dynamic symbol table section */
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| #define SHT_INIT_ARRAY	14		/* Array of constructors */
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| #define SHT_FINI_ARRAY	15		/* Array of destructors */
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| #define SHT_PREINIT_ARRAY 16		/* Array of pre-constructors */
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| #define SHT_GROUP	17		/* Section group */
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| #define SHT_SYMTAB_SHNDX 18		/* Extended section indeces */
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| #define SHT_NUM		19		/* number of section types */
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| #define SHT_LOOS	0x60000000	/* Start OS-specific */
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| #define SHT_HIOS	0x6fffffff	/* End OS-specific */
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| #define SHT_LOPROC	0x70000000	/* reserved range for processor */
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| #define SHT_HIPROC	0x7fffffff	/* specific section header types */
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| #define SHT_LOUSER	0x80000000	/* reserved range for application */
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| #define SHT_HIUSER	0xffffffff	/* specific indexes */
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| 
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| /* Section names */
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| #define ELF_BSS		".bss"		/* uninitialized data */
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| #define ELF_COMMENT	".comment"	/* version control information */
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| #define ELF_DATA	".data"		/* initialized data */
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| #define ELF_DATA1	".data1"	/* initialized data */
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| #define ELF_DEBUG	".debug"	/* debug */
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| #define ELF_DYNAMIC	".dynamic"	/* dynamic linking information */
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| #define ELF_DYNSTR	".dynstr"	/* dynamic string table */
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| #define ELF_DYNSYM	".dynsym"	/* dynamic symbol table */
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| #define ELF_FINI	".fini"		/* termination code */
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| #define ELF_FINI_ARRAY	".fini_array"	/* Array of destructors */
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| #define ELF_GOT		".got"		/* global offset table */
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| #define ELF_HASH	".hash"		/* symbol hash table */
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| #define ELF_INIT	".init"		/* initialization code */
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| #define ELF_INIT_ARRAY	".init_array"	/* Array of constuctors */
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| #define ELF_INTERP	".interp"	/* Pathname of program interpreter */
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| #define ELF_LINE	".line"		/* Symbolic line numnber information */
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| #define ELF_NOTE	".note"		/* Contains note section */
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| #define ELF_PLT		".plt"		/* Procedure linkage table */
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| #define ELF_PREINIT_ARRAY ".preinit_array" /* Array of pre-constructors */
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| #define ELF_REL_DATA	".rel.data"	/* relocation data */
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| #define ELF_REL_FINI	".rel.fini"	/* relocation termination code */
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| #define ELF_REL_INIT	".rel.init"	/* relocation initialization code */
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| #define ELF_REL_DYN	".rel.dyn"	/* relocaltion dynamic link info */
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| #define ELF_REL_RODATA	".rel.rodata"	/* relocation read-only data */
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| #define ELF_REL_TEXT	".rel.text"	/* relocation code */
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| #define ELF_RODATA	".rodata"	/* read-only data */
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| #define ELF_RODATA1	".rodata1"	/* read-only data */
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| #define ELF_SHSTRTAB	".shstrtab"	/* section header string table */
 | |
| #define ELF_STRTAB	".strtab"	/* string table */
 | |
| #define ELF_SYMTAB	".symtab"	/* symbol table */
 | |
| #define ELF_SYMTAB_SHNDX ".symtab_shndx"/* symbol table section index */
 | |
| #define ELF_TBSS	".tbss"		/* thread local uninit data */
 | |
| #define ELF_TDATA	".tdata"	/* thread local init data */
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| #define ELF_TDATA1	".tdata1"	/* thread local init data */
 | |
| #define ELF_TEXT	".text"		/* code */
 | |
| 
 | |
| /* Section Attribute Flags - sh_flags */
 | |
| #define SHF_WRITE	0x1		/* Writable */
 | |
| #define SHF_ALLOC	0x2		/* occupies memory */
 | |
| #define SHF_EXECINSTR	0x4		/* executable */
 | |
| #define SHF_MERGE	0x10		/* Might be merged */
 | |
| #define SHF_STRINGS	0x20		/* Contains NULL terminated strings */
 | |
| #define SHF_INFO_LINK	0x40		/* sh_info contains SHT index */
 | |
| #define SHF_LINK_ORDER	0x80		/* Preserve order after combining*/
 | |
| #define SHF_OS_NONCONFORMING 0x100	/* Non-standard OS specific handling */
 | |
| #define SHF_GROUP	0x200		/* Member of section group */
 | |
| #define SHF_TLS		0x400		/* Thread local storage */
 | |
| #define SHF_MASKOS	0x0ff00000	/* OS specific */
 | |
| #define SHF_MASKPROC	0xf0000000	/* reserved bits for processor */
 | |
| 					/* specific section attributes */
 | |
| 
 | |
| /* Section Group Flags */
 | |
| #define GRP_COMDAT	0x1		/* COMDAT group */
 | |
| #define GRP_MASKOS	0x0ff00000	/* Mask OS specific flags */
 | |
| #define GRP_MASKPROC	0xf0000000	/* Mask processor specific flags */
 | |
| 
 | |
| /* Symbol Table Entry */
 | |
| typedef struct {
 | |
| 	Elf32_Word	st_name;	/* name - index into string table */
 | |
| 	Elf32_Addr	st_value;	/* symbol value */
 | |
| 	Elf32_Word	st_size;	/* symbol size */
 | |
| 	unsigned char	st_info;	/* type and binding */
 | |
| 	unsigned char	st_other;	/* 0 - no defined meaning */
 | |
| 	Elf32_Half	st_shndx;	/* section header index */
 | |
| } Elf32_Sym;
 | |
| 
 | |
| /* Symbol table index */
 | |
| #define STN_UNDEF	0		/* undefined */
 | |
| 
 | |
| /* Extract symbol info - st_info */
 | |
| #define ELF32_ST_BIND(x)	((x) >> 4)
 | |
| #define ELF32_ST_TYPE(x)	(((unsigned int) x) & 0xf)
 | |
| #define ELF32_ST_INFO(b,t)	(((b) << 4) + ((t) & 0xf))
 | |
| #define ELF32_ST_VISIBILITY(x)	((x) & 0x3)
 | |
| 
 | |
| /* Symbol Binding - ELF32_ST_BIND - st_info */
 | |
| #define STB_LOCAL	0		/* Local symbol */
 | |
| #define STB_GLOBAL	1		/* Global symbol */
 | |
| #define STB_WEAK	2		/* like global - lower precedence */
 | |
| #define STB_NUM		3		/* number of symbol bindings */
 | |
| #define STB_LOOS	10		/* reserved range for operating */
 | |
| #define STB_HIOS	12		/* system specific symbol bindings */
 | |
| #define STB_LOPROC	13		/* reserved range for processor */
 | |
| #define STB_HIPROC	15		/* specific symbol bindings */
 | |
| 
 | |
| /* Symbol type - ELF32_ST_TYPE - st_info */
 | |
| #define STT_NOTYPE	0		/* not specified */
 | |
| #define STT_OBJECT	1		/* data object */
 | |
| #define STT_FUNC	2		/* function */
 | |
| #define STT_SECTION	3		/* section */
 | |
| #define STT_FILE	4		/* file */
 | |
| #define STT_NUM		5		/* number of symbol types */
 | |
| #define STT_TLS		6		/* Thread local storage symbol */
 | |
| #define STT_LOOS	10		/* reserved range for operating */
 | |
| #define STT_HIOS	12		/* system specific symbol types */
 | |
| #define STT_LOPROC	13		/* reserved range for processor */
 | |
| #define STT_HIPROC	15		/* specific symbol types */
 | |
| 
 | |
| /* Symbol visibility - ELF32_ST_VISIBILITY - st_other */
 | |
| #define STV_DEFAULT	0		/* Normal visibility rules */
 | |
| #define STV_INTERNAL	1		/* Processor specific hidden class */
 | |
| #define STV_HIDDEN	2		/* Symbol unavailable in other mods */
 | |
| #define STV_PROTECTED	3		/* Not preemptible, not exported */
 | |
| 
 | |
| /* Relocation entry with implicit addend */
 | |
| typedef struct {
 | |
| 	Elf32_Addr	r_offset;	/* offset of relocation */
 | |
| 	Elf32_Word	r_info;		/* symbol table index and type */
 | |
| } Elf32_Rel;
 | |
| 
 | |
| /* Relocation entry with explicit addend */
 | |
| typedef struct {
 | |
| 	Elf32_Addr	r_offset;	/* offset of relocation */
 | |
| 	Elf32_Word	r_info;		/* symbol table index and type */
 | |
| 	Elf32_Sword	r_addend;
 | |
| } Elf32_Rela;
 | |
| 
 | |
| typedef struct {
 | |
| 	Elf64_Addr r_offset;	/* Location at which to apply the action */
 | |
| 	Elf64_Xword r_info;	/* index and type of relocation */
 | |
| } Elf64_Rel;
 | |
| 
 | |
| typedef struct {
 | |
| 	Elf64_Addr r_offset;	/* Location at which to apply the action */
 | |
| 	Elf64_Xword r_info;	/* index and type of relocation */
 | |
| 	Elf64_Sxword r_addend;	/* Constant addend used to compute value */
 | |
| } Elf64_Rela;
 | |
| 
 | |
| /* Extract relocation info - r_info */
 | |
| #define ELF32_R_SYM(i)		((i) >> 8)
 | |
| #define ELF32_R_TYPE(i)		((unsigned char) (i))
 | |
| #define ELF32_R_INFO(s,t)	(((s) << 8) + (unsigned char)(t))
 | |
| 
 | |
| /* Program Header */
 | |
| typedef struct {
 | |
| 	Elf32_Word	p_type;		/* segment type */
 | |
| 	Elf32_Off	p_offset;	/* segment offset */
 | |
| 	Elf32_Addr	p_vaddr;	/* virtual address of segment */
 | |
| 	Elf32_Addr	p_paddr;	/* physical address of segment */
 | |
| 	Elf32_Word	p_filesz;	/* number of bytes in file for seg */
 | |
| 	Elf32_Word	p_memsz;	/* number of bytes in mem. for seg */
 | |
| 	Elf32_Word	p_flags;	/* flags */
 | |
| 	Elf32_Word	p_align;	/* memory alignment */
 | |
| } Elf32_Phdr;
 | |
| 
 | |
| typedef struct {
 | |
| 	Elf64_Word	p_type;		/* segment type */
 | |
| 	Elf64_Word	p_flags;	/* flags */
 | |
| 	Elf64_Off	p_offset;	/* segment offset */
 | |
| 	Elf64_Addr	p_vaddr;	/* virtual address of segment */
 | |
| 	Elf64_Addr	p_paddr;	/* physical address of segment */
 | |
| 	Elf64_Xword	p_filesz;	/* number of bytes in file for seg */
 | |
| 	Elf64_Xword	p_memsz;	/* number of bytes in mem. for seg */
 | |
| 	Elf64_Xword	p_align;	/* memory alignment */
 | |
| } Elf64_Phdr;
 | |
| 
 | |
| /* Segment types - p_type */
 | |
| #define PT_NULL		0		/* unused */
 | |
| #define PT_LOAD		1		/* loadable segment */
 | |
| #define PT_DYNAMIC	2		/* dynamic linking section */
 | |
| #define PT_INTERP	3		/* the RTLD */
 | |
| #define PT_NOTE		4		/* auxiliary information */
 | |
| #define PT_SHLIB	5		/* reserved - purpose undefined */
 | |
| #define PT_PHDR		6		/* program header */
 | |
| #define PT_TLS		7		/* Thread local storage template */
 | |
| #define PT_NUM		8		/* Number of segment types */
 | |
| #define PT_LOOS		0x60000000	/* reserved range for operating */
 | |
| #define PT_HIOS		0x6fffffff	/* system specific segment types */
 | |
| #define PT_LOPROC	0x70000000	/* reserved range for processor */
 | |
| #define PT_HIPROC	0x7fffffff	/* specific segment types */
 | |
| 
 | |
| /* Segment flags - p_flags */
 | |
| #define PF_X		0x1		/* Executable */
 | |
| #define PF_W		0x2		/* Writable */
 | |
| #define PF_R		0x4		/* Readable */
 | |
| #define PF_MASKOS	0x0ff00000	/* OS specific segment flags */
 | |
| #define PF_MASKPROC	0xf0000000	/* reserved bits for processor */
 | |
| 					/* specific segment flags */
 | |
| /* Dynamic structure */
 | |
| typedef struct {
 | |
| 	Elf32_Sword	d_tag;		/* controls meaning of d_val */
 | |
| 	union {
 | |
| 		Elf32_Word	d_val;	/* Multiple meanings - see d_tag */
 | |
| 		Elf32_Addr	d_ptr;	/* program virtual address */
 | |
| 	} d_un;
 | |
| } Elf32_Dyn;
 | |
| 
 | |
| extern Elf32_Dyn	_DYNAMIC[];
 | |
| 
 | |
| typedef struct {
 | |
| 	Elf64_Sxword d_tag;		/* entry tag value */
 | |
| 	union {
 | |
| 		Elf64_Xword d_val;
 | |
| 		Elf64_Addr d_ptr;
 | |
| 	} d_un;
 | |
| } Elf64_Dyn;
 | |
| 
 | |
| #define ELF64_R_SYM(i)			((i) >> 32)
 | |
| #define ELF64_R_TYPE(i)			((i) & 0xffffffff)
 | |
| 
 | |
| /* Dynamic Array Tags - d_tag */
 | |
| #define DT_NULL		0		/* marks end of _DYNAMIC array */
 | |
| #define DT_NEEDED	1		/* string table offset of needed lib */
 | |
| #define DT_PLTRELSZ	2		/* size of relocation entries in PLT */
 | |
| #define DT_PLTGOT	3		/* address PLT/GOT */
 | |
| #define DT_HASH		4		/* address of symbol hash table */
 | |
| #define DT_STRTAB	5		/* address of string table */
 | |
| #define DT_SYMTAB	6		/* address of symbol table */
 | |
| #define DT_RELA		7		/* address of relocation table */
 | |
| #define DT_RELASZ	8		/* size of relocation table */
 | |
| #define DT_RELAENT	9		/* size of relocation entry */
 | |
| #define DT_STRSZ	10		/* size of string table */
 | |
| #define DT_SYMENT	11		/* size of symbol table entry */
 | |
| #define DT_INIT		12		/* address of initialization func */
 | |
| #define DT_FINI		13		/* address of termination function */
 | |
| #define DT_SONAME	14		/* string table offset of shared obj */
 | |
| #define DT_RPATH	15		/* string table offset of library
 | |
| 					   search path */
 | |
| #define DT_SYMBOLIC	16		/* start sym search in shared obj */
 | |
| #define DT_REL		17		/* address of rel. tbl. w addends */
 | |
| #define DT_RELSZ	18		/* size of DT_REL relocation table */
 | |
| #define DT_RELENT	19		/* size of DT_REL relocation entry */
 | |
| #define DT_PLTREL	20		/* PLT referenced relocation entry */
 | |
| #define DT_DEBUG	21		/* bugger */
 | |
| #define DT_TEXTREL	22		/* Allow rel. mod. to unwritable seg */
 | |
| #define DT_JMPREL	23		/* add. of PLT's relocation entries */
 | |
| #define DT_BIND_NOW	24		/* Process relocations of object */
 | |
| #define DT_INIT_ARRAY	25		/* Array with addresses of init fct */
 | |
| #define DT_FINI_ARRAY	26		/* Array with addresses of fini fct */
 | |
| #define DT_INIT_ARRAYSZ	27		/* Size in bytes of DT_INIT_ARRAY */
 | |
| #define DT_FINI_ARRAYSZ	28		/* Size in bytes of DT_FINI_ARRAY */
 | |
| #define DT_RUNPATH	29		/* Library search path */
 | |
| #define DT_FLAGS	30		/* Flags for the object being loaded */
 | |
| #define DT_ENCODING	32		/* Start of encoded range */
 | |
| #define DT_PREINIT_ARRAY 32		/* Array with addresses of preinit fct*/
 | |
| #define DT_PREINIT_ARRAYSZ 33		/* size in bytes of DT_PREINIT_ARRAY */
 | |
| #define DT_NUM		34		/* Number used */
 | |
| #define DT_LOOS		0x60000000	/* reserved range for OS */
 | |
| #define DT_HIOS		0x6fffffff	/* specific dynamic array tags */
 | |
| #define DT_LOPROC	0x70000000	/* reserved range for processor */
 | |
| #define DT_HIPROC	0x7fffffff	/* specific dynamic array tags */
 | |
| 
 | |
| /* Dynamic Tag Flags - d_un.d_val */
 | |
| #define DF_ORIGIN	0x01		/* Object may use DF_ORIGIN */
 | |
| #define DF_SYMBOLIC	0x02		/* Symbol resolutions starts here */
 | |
| #define DF_TEXTREL	0x04		/* Object contains text relocations */
 | |
| #define DF_BIND_NOW	0x08		/* No lazy binding for this object */
 | |
| #define DF_STATIC_TLS	0x10		/* Static thread local storage */
 | |
| 
 | |
| /* Standard ELF hashing function */
 | |
| unsigned long elf_hash(const unsigned char *name);
 | |
| 
 | |
| #define ELF_TARG_VER	1	/* The ver for which this code is intended */
 | |
| 
 | |
| #endif /* __ASSEMBLER */
 | |
| 
 | |
| /* ELF register definitions */
 | |
| #define R_386_NONE	0
 | |
| #define R_386_32	1
 | |
| #define R_386_PC32	2
 | |
| #define R_386_GOT32	3
 | |
| #define R_386_PLT32	4
 | |
| #define R_386_COPY	5
 | |
| #define R_386_GLOB_DAT	6
 | |
| #define R_386_JMP_SLOT	7
 | |
| #define R_386_RELATIVE	8
 | |
| #define R_386_GOTOFF	9
 | |
| #define R_386_GOTPC	10
 | |
| #define R_386_NUM	11
 | |
| 
 | |
| /* x86-64 relocation types */
 | |
| #define R_X86_64_NONE		0	/* No reloc */
 | |
| #define R_X86_64_64		1	/* Direct 64 bit  */
 | |
| #define R_X86_64_PC32		2	/* PC relative 32 bit signed */
 | |
| #define R_X86_64_GOT32		3	/* 32 bit GOT entry */
 | |
| #define R_X86_64_PLT32		4	/* 32 bit PLT address */
 | |
| #define R_X86_64_COPY		5	/* Copy symbol at runtime */
 | |
| #define R_X86_64_GLOB_DAT	6	/* Create GOT entry */
 | |
| #define R_X86_64_JUMP_SLOT	7	/* Create PLT entry */
 | |
| #define R_X86_64_RELATIVE	8	/* Adjust by program base */
 | |
| /* 32 bit signed pc relative offset to GOT */
 | |
| #define R_X86_64_GOTPCREL	9
 | |
| #define R_X86_64_32		10	/* Direct 32 bit zero extended */
 | |
| #define R_X86_64_32S		11	/* Direct 32 bit sign extended */
 | |
| #define R_X86_64_16		12	/* Direct 16 bit zero extended */
 | |
| #define R_X86_64_PC16		13	/* 16 bit sign extended pc relative */
 | |
| #define R_X86_64_8		14	/* Direct 8 bit sign extended  */
 | |
| #define R_X86_64_PC8		15	/* 8 bit sign extended pc relative */
 | |
| 
 | |
| #define R_X86_64_NUM		16
 | |
| 
 | |
| /*
 | |
|  * XXX - PowerPC defines really don't belong in here,
 | |
|  * but we'll put them in for simplicity.
 | |
|  */
 | |
| 
 | |
| /* Values for Elf32/64_Ehdr.e_flags */
 | |
| #define EF_PPC_EMB		0x80000000	/* PowerPC embedded flag */
 | |
| 
 | |
| #define EF_PPC64_ELFV1_ABI	0x00000001
 | |
| #define EF_PPC64_ELFV2_ABI	0x00000002
 | |
| 
 | |
| /* Cygnus local bits below */
 | |
| #define EF_PPC_RELOCATABLE	0x00010000	/* PowerPC -mrelocatable flag*/
 | |
| #define EF_PPC_RELOCATABLE_LIB	0x00008000	/* PowerPC -mrelocatable-lib
 | |
| 						   flag */
 | |
| 
 | |
| /* PowerPC relocations defined by the ABIs */
 | |
| #define R_PPC_NONE		0
 | |
| #define R_PPC_ADDR32		1	/* 32bit absolute address */
 | |
| #define R_PPC_ADDR24		2	/* 26bit address, 2 bits ignored */
 | |
| #define R_PPC_ADDR16		3	/* 16bit absolute address */
 | |
| #define R_PPC_ADDR16_LO		4	/* lower 16bit of absolute address */
 | |
| #define R_PPC_ADDR16_HI		5	/* high 16bit of absolute address */
 | |
| #define R_PPC_ADDR16_HA		6	/* adjusted high 16bit */
 | |
| #define R_PPC_ADDR14		7	/* 16bit address, 2 bits ignored */
 | |
| #define R_PPC_ADDR14_BRTAKEN	8
 | |
| #define R_PPC_ADDR14_BRNTAKEN	9
 | |
| #define R_PPC_REL24		10	/* PC relative 26 bit */
 | |
| #define R_PPC_REL14		11	/* PC relative 16 bit */
 | |
| #define R_PPC_REL14_BRTAKEN	12
 | |
| #define R_PPC_REL14_BRNTAKEN	13
 | |
| #define R_PPC_GOT16		14
 | |
| #define R_PPC_GOT16_LO		15
 | |
| #define R_PPC_GOT16_HI		16
 | |
| #define R_PPC_GOT16_HA		17
 | |
| #define R_PPC_PLTREL24		18
 | |
| #define R_PPC_COPY		19
 | |
| #define R_PPC_GLOB_DAT		20
 | |
| #define R_PPC_JMP_SLOT		21
 | |
| #define R_PPC_RELATIVE		22
 | |
| #define R_PPC_LOCAL24PC		23
 | |
| #define R_PPC_UADDR32		24
 | |
| #define R_PPC_UADDR16		25
 | |
| #define R_PPC_REL32		26
 | |
| #define R_PPC_PLT32		27
 | |
| #define R_PPC_PLTREL32		28
 | |
| #define R_PPC_PLT16_LO		29
 | |
| #define R_PPC_PLT16_HI		30
 | |
| #define R_PPC_PLT16_HA		31
 | |
| #define R_PPC_SDAREL16		32
 | |
| #define R_PPC_SECTOFF		33
 | |
| #define R_PPC_SECTOFF_LO	34
 | |
| #define R_PPC_SECTOFF_HI	35
 | |
| #define R_PPC_SECTOFF_HA	36
 | |
| /* Keep this the last entry */
 | |
| #define R_PPC_NUM		37
 | |
| 
 | |
| /*
 | |
|  * The remaining relocs are from the Embedded ELF ABI, and are not
 | |
|  * in the SVR4 ELF ABI.
 | |
|  */
 | |
| #define R_PPC_EMB_NADDR32	101
 | |
| #define R_PPC_EMB_NADDR16	102
 | |
| #define R_PPC_EMB_NADDR16_LO	103
 | |
| #define R_PPC_EMB_NADDR16_HI	104
 | |
| #define R_PPC_EMB_NADDR16_HA	105
 | |
| #define R_PPC_EMB_SDAI16	106
 | |
| #define R_PPC_EMB_SDA2I16	107
 | |
| #define R_PPC_EMB_SDA2REL	108
 | |
| #define R_PPC_EMB_SDA21		109	/* 16 bit offset in SDA */
 | |
| #define R_PPC_EMB_MRKREF	110
 | |
| #define R_PPC_EMB_RELSEC16	111
 | |
| #define R_PPC_EMB_RELST_LO	112
 | |
| #define R_PPC_EMB_RELST_HI	113
 | |
| #define R_PPC_EMB_RELST_HA	114
 | |
| #define R_PPC_EMB_BIT_FLD	115
 | |
| #define R_PPC_EMB_RELSDA	116	/* 16 bit relative offset in SDA */
 | |
| 
 | |
| /* Diab tool relocations */
 | |
| #define R_PPC_DIAB_SDA21_LO	180	/* like EMB_SDA21, but lower 16 bit */
 | |
| #define R_PPC_DIAB_SDA21_HI	181	/* like EMB_SDA21, but high 16 bit */
 | |
| #define R_PPC_DIAB_SDA21_HA	182	/* like EMB_SDA21, adjusted high 16 */
 | |
| #define R_PPC_DIAB_RELSDA_LO	183	/* like EMB_RELSDA, but lower 16 bit */
 | |
| #define R_PPC_DIAB_RELSDA_HI	184	/* like EMB_RELSDA, but high 16 bit */
 | |
| #define R_PPC_DIAB_RELSDA_HA	185	/* like EMB_RELSDA, adjusted high 16 */
 | |
| 
 | |
| /*
 | |
|  * This is a phony reloc to handle any old fashioned TOC16 references
 | |
|  * that may still be in object files.
 | |
|  */
 | |
| #define R_PPC_TOC16		255
 | |
| 
 | |
|  /* ARM relocs */
 | |
| #define R_ARM_NONE		0	/* No reloc */
 | |
| #define R_ARM_RELATIVE		23	/* Adjust by program base */
 | |
| 
 | |
| /* AArch64 relocs */
 | |
| #define R_AARCH64_NONE		0	/* No relocation */
 | |
| #define R_AARCH64_RELATIVE	1027	/* Adjust by program base */
 | |
| 
 | |
| /* RISC-V relocations */
 | |
| #define R_RISCV_32		1
 | |
| #define R_RISCV_64		2
 | |
| #define R_RISCV_RELATIVE	3
 | |
| 
 | |
| #ifndef __ASSEMBLY__
 | |
| int valid_elf_image(unsigned long addr);
 | |
| unsigned long load_elf64_image_phdr(unsigned long addr);
 | |
| unsigned long load_elf64_image_shdr(unsigned long addr);
 | |
| unsigned long load_elf_image_phdr(unsigned long addr);
 | |
| unsigned long load_elf_image_shdr(unsigned long addr);
 | |
| #endif
 | |
| 
 | |
| #endif /* _ELF_H */
 |