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/*
* sys/elfcommon.h
*/
#ifndef _SYS_ELFCOMMON_H
#define _SYS_ELFCOMMON_H
#include <stdint.h>
/* Segment types */
#define PT_NULL 0
#define PT_LOAD 1
#define PT_DYNAMIC 2
#define PT_INTERP 3
#define PT_NOTE 4
#define PT_SHLIB 5
#define PT_PHDR 6
#define PT_LOOS 0x60000000
#define PT_HIOS 0x6fffffff
#define PT_LOPROC 0x70000000
#define PT_HIPROC 0x7fffffff
#define PT_GNU_EH_FRAME 0x6474e550 /* Extension, eh? */
/* ELF file types */
#define ET_NONE 0
#define ET_REL 1
#define ET_EXEC 2
#define ET_DYN 3
#define ET_CORE 4
#define ET_LOPROC 0xff00
#define ET_HIPROC 0xffff
/* ELF machine types */
#define EM_NONE 0
#define EM_M32 1
#define EM_SPARC 2
#define EM_386 3
#define EM_68K 4
#define EM_88K 5
#define EM_486 6 /* Not used in Linux at least */
#define EM_860 7
#define EM_MIPS 8 /* R3k, bigendian(?) */
#define EM_MIPS_RS4_BE 10 /* R4k BE */
#define EM_PARISC 15
#define EM_SPARC32PLUS 18
#define EM_PPC 20
#define EM_PPC64 21
#define EM_S390 22
#define EM_SH 42
#define EM_SPARCV9 43 /* v9 = SPARC64 */
#define EM_H8_300H 47
#define EM_H8S 48
#define EM_IA_64 50 /* Itanic */
#define EM_X86_64 62
#define EM_CRIS 76
#define EM_V850 87
#define EM_ALPHA 0x9026 /* Interrim Alpha that stuck around */
#define EM_CYGNUS_V850 0x9080 /* Old v850 ID used by Cygnus */
#define EM_S390_OLD 0xA390 /* Obsolete interrim value for S/390 */
/* Dynamic type values */
#define DT_NULL 0
#define DT_NEEDED 1
#define DT_PLTRELSZ 2
#define DT_PLTGOT 3
#define DT_HASH 4
#define DT_STRTAB 5
#define DT_SYMTAB 6
#define DT_RELA 7
#define DT_RELASZ 8
#define DT_RELAENT 9
#define DT_STRSZ 10
#define DT_SYMENT 11
#define DT_INIT 12
#define DT_FINI 13
#define DT_SONAME 14
#define DT_RPATH 15
#define DT_SYMBOLIC 16
#define DT_REL 17
#define DT_RELSZ 18
#define DT_RELENT 19
#define DT_PLTREL 20
#define DT_DEBUG 21
#define DT_TEXTREL 22
#define DT_JMPREL 23
#define DT_LOPROC 0x70000000
#define DT_HIPROC 0x7fffffff
/* Auxilliary table entries */
#define AT_NULL 0 /* end of vector */
#define AT_IGNORE 1 /* entry should be ignored */
#define AT_EXECFD 2 /* file descriptor of program */
#define AT_PHDR 3 /* program headers for program */
#define AT_PHENT 4 /* size of program header entry */
#define AT_PHNUM 5 /* number of program headers */
#define AT_PAGESZ 6 /* system page size */
#define AT_BASE 7 /* base address of interpreter */
#define AT_FLAGS 8 /* flags */
#define AT_ENTRY 9 /* entry point of program */
#define AT_NOTELF 10 /* program is not ELF */
#define AT_UID 11 /* real uid */
#define AT_EUID 12 /* effective uid */
#define AT_GID 13 /* real gid */
#define AT_EGID 14 /* effective gid */
#define AT_PLATFORM 15 /* string identifying CPU for optimizations */
#define AT_HWCAP 16 /* arch dependent hints at CPU capabilities */
#define AT_CLKTCK 17 /* frequency at which times() increments */
/* 18..22 = ? */
#define AT_SECURE 23 /* secure mode boolean */
#define AT_SYSINFO 32 /* vdso entry point address */
#define AT_SYSINFO_EHDR 33 /* vdso header address */
/* Program header permission flags */
#define PF_X 0x1
#define PF_W 0x2
#define PF_R 0x4
/* Section header types */
#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_NUM 12
#define SHT_LOPROC 0x70000000
#define SHT_HIPROC 0x7fffffff
#define SHT_LOUSER 0x80000000
#define SHT_HIUSER 0xffffffff
/* Section header flags */
#define SHF_WRITE 0x1
#define SHF_ALLOC 0x2
#define SHF_EXECINSTR 0x4
#define SHF_MASKPROC 0xf0000000
/* Special section numbers */
#define SHN_UNDEF 0
#define SHN_LORESERVE 0xff00
#define SHN_LOPROC 0xff00
#define SHN_HIPROC 0xff1f
#define SHN_ABS 0xfff1
#define SHN_COMMON 0xfff2
#define SHN_HIRESERVE 0xffff
/* End of a chain. */
#define STN_UNDEF 0
/* Lenght of magic at the start of a file */
#define EI_NIDENT 16
/* Magic number constants... */
#define EI_MAG0 0 /* e_ident[] indexes */
#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_PAD 8
#define ELFMAG0 0x7f /* EI_MAG */
#define ELFMAG1 'E'
#define ELFMAG2 'L'
#define ELFMAG3 'F'
#define ELFMAG "\177ELF"
#define SELFMAG 4
#define ELFCLASSNONE 0 /* EI_CLASS */
#define ELFCLASS32 1
#define ELFCLASS64 2
#define ELFCLASSNUM 3
#define ELFDATANONE 0 /* e_ident[EI_DATA] */
#define ELFDATA2LSB 1
#define ELFDATA2MSB 2
#define EV_NONE 0 /* e_version, EI_VERSION */
#define EV_CURRENT 1
#define EV_NUM 2
#define ELFOSABI_NONE 0
#define ELFOSABI_LINUX 3
/* Legal values for ST_BIND subfield of st_info (symbol binding). */
#define STB_LOCAL 0 /* Local symbol */
#define STB_GLOBAL 1 /* Global symbol */
#define STB_WEAK 2 /* Weak symbol */
#define STB_NUM 3 /* Number of defined types. */
#define STB_LOOS 10 /* Start of OS-specific */
#define STB_HIOS 12 /* End of OS-specific */
#define STB_LOPROC 13 /* Start of processor-specific */
#define STB_HIPROC 15 /* End of processor-specific */
#endif /* _SYS_ELFCOMMON_H */
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