LCOM1920-T02G10

/*        $NetBSD: exec_elf.h,v 1.149 2015/07/30 15:28:18 maxv Exp $        */

/*-

 * Copyright (c) 1994 The NetBSD Foundation, Inc.

 * All rights reserved.

 *

 * This code is derived from software contributed to The NetBSD Foundation

 * by Christos Zoulas.

 *

 * 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.

 */

#ifndef _SYS_EXEC_ELF_H_

#define _SYS_EXEC_ELF_H_

/*

 * The current ELF ABI specification is available at:

 *        http://www.sco.com/developers/gabi/

 *

 * Current header definitions are in:

 *        http://www.sco.com/developers/gabi/latest/ch4.eheader.html

 */

#if defined(_KERNEL) || defined(_STANDALONE)

#include <sys/types.h>

#else

#include <inttypes.h>

#endif /* _KERNEL || _STANDALONE */

#ifdef   _BSD_SIZE_T_

typedef  _BSD_SIZE_T_    size_t;

#undef   _BSD_SIZE_T_

#endif

#if HAVE_NBTOOL_CONFIG_H

#include <nbinclude/machine/elf_machdep.h>

#else

#include <machine/elf_machdep.h>

#endif

typedef uint8_t                Elf_Byte;

typedef uint32_t        Elf32_Addr;

#define ELF32_FSZ_ADDR        4

typedef uint32_t        Elf32_Off;

typedef int32_t                Elf32_SOff;

#define ELF32_FSZ_OFF        4

typedef int32_t                Elf32_Sword;

#define ELF32_FSZ_SWORD 4

typedef uint32_t        Elf32_Word;

#define ELF32_FSZ_WORD        4

typedef uint16_t        Elf32_Half;

#define ELF32_FSZ_HALF        2

typedef uint64_t        Elf32_Lword;

#define ELF32_FSZ_LWORD 8

typedef uint64_t        Elf64_Addr;

#define ELF64_FSZ_ADDR        8

typedef uint64_t        Elf64_Off;

typedef int64_t                Elf64_SOff;

#define ELF64_FSZ_OFF        8

typedef int32_t                Elf64_Sword;

#define ELF64_FSZ_SWORD 4

typedef uint32_t        Elf64_Word;

#define ELF64_FSZ_WORD        4

typedef int64_t                Elf64_Sxword;

#define ELF64_FSZ_SXWORD 8

typedef uint64_t        Elf64_Xword;

#define ELF64_FSZ_XWORD 8

typedef uint64_t        Elf64_Lword;

#define ELF64_FSZ_LWORD 8

typedef uint16_t        Elf64_Half;

#define ELF64_FSZ_HALF 2

/*

 * ELF Header

 */

#define ELF_NIDENT        16

typedef struct {

        unsigned char        e_ident[ELF_NIDENT];        /* Id bytes */

        Elf32_Half        e_type;                        /* file type */

        Elf32_Half        e_machine;                /* machine type */

        Elf32_Word        e_version;                /* version number */

        Elf32_Addr        e_entry;                /* entry point */

        Elf32_Off        e_phoff;                /* Program hdr offset */

        Elf32_Off        e_shoff;                /* Section hdr offset */

        Elf32_Word        e_flags;                /* Processor flags */

        Elf32_Half        e_ehsize;                /* sizeof ehdr */

        Elf32_Half        e_phentsize;                /* Program header entry size */

        Elf32_Half        e_phnum;                /* Number of program headers */

        Elf32_Half        e_shentsize;                /* Section header entry size */

        Elf32_Half        e_shnum;                /* Number of section headers */

        Elf32_Half        e_shstrndx;                /* String table index */

} Elf32_Ehdr;

typedef struct {

        unsigned char        e_ident[ELF_NIDENT];        /* Id bytes */

        Elf64_Half        e_type;                        /* file type */

        Elf64_Half        e_machine;                /* machine type */

        Elf64_Word        e_version;                /* version number */

        Elf64_Addr        e_entry;                /* entry point */

        Elf64_Off        e_phoff;                /* Program hdr offset */

        Elf64_Off        e_shoff;                /* Section hdr offset */

        Elf64_Word        e_flags;                /* Processor flags */

        Elf64_Half        e_ehsize;                /* sizeof ehdr */

        Elf64_Half        e_phentsize;                /* Program header entry size */

        Elf64_Half        e_phnum;                /* Number of program headers */

        Elf64_Half        e_shentsize;                /* Section header entry size */

        Elf64_Half        e_shnum;                /* Number of section headers */

        Elf64_Half        e_shstrndx;                /* String table index */

} Elf64_Ehdr;

/* e_ident offsets */

#define EI_MAG0                0        /* '\177' */

#define EI_MAG1                1        /* 'E'          */

#define EI_MAG2                2        /* 'L'          */

#define EI_MAG3                3        /* 'F'          */

#define EI_CLASS        4        /* File class */

#define EI_DATA                5        /* Data encoding */

#define EI_VERSION        6        /* File version */

#define EI_OSABI        7        /* Operating system/ABI identification */

#define EI_ABIVERSION        8        /* ABI version */

#define EI_PAD                9        /* Start of padding bytes up to EI_NIDENT*/

#define EI_NIDENT        16        /* First non-ident header byte */

/* e_ident[EI_MAG0,EI_MAG3] */

#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        /* Invalid class */

#define ELFCLASS32        1        /* 32-bit objects */

#define ELFCLASS64        2        /* 64-bit objects */

#define ELFCLASSNUM        3

/* e_ident[EI_DATA] */

#define ELFDATANONE        0        /* Invalid data encoding */

#define ELFDATA2LSB        1        /* 2's complement values, LSB first */

#define ELFDATA2MSB        2        /* 2's complement values, MSB first */

/* e_ident[EI_VERSION] */

#define EV_NONE                0        /* Invalid version */

#define EV_CURRENT        1        /* Current version */

#define EV_NUM                2

/* e_ident[EI_OSABI] */

#define ELFOSABI_SYSV                0        /* UNIX System V ABI */

#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 */

#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_OPENVMS        13        /* OpenVMS */

#define ELFOSABI_NSK                14        /* HP Non-Stop Kernel */

#define ELFOSABI_AROS                15        /* Amiga Research OS */

/* Unofficial OSABIs follow */

#define ELFOSABI_ARM                97        /* ARM */

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

#define ELFOSABI_NONE                ELFOSABI_SYSV

#define ELFOSABI_AIX                ELFOSABI_MONTEREY

/* e_type */

#define ET_NONE                0        /* No file type */

#define ET_REL                1        /* Relocatable file */

#define ET_EXEC                2        /* Executable file */

#define ET_DYN                3        /* Shared object file */

#define ET_CORE                4        /* Core file */

#define ET_NUM                5

#define ET_LOOS                0xfe00        /* Operating system specific range */

#define ET_HIOS                0xfeff

#define ET_LOPROC        0xff00        /* Processor-specific range */

#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 80486 */

#define EM_860                7        /* Intel 80860 */

#define EM_MIPS                8        /* MIPS I Architecture */

#define EM_S370                9        /* Amdahl UTS on System/370 */

#define EM_MIPS_RS3_LE        10        /* MIPS RS3000 Little-endian */

                        /* 11-14 - Reserved */

#define EM_RS6000        11        /* IBM RS/6000 XXX reserved */

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

#define EM_NCUBE        16        /* NCube XXX reserved */

#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 */

                        /* 22-35 - Reserved */

#define EM_S390                22        /* System/390 XXX reserved */

#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 Super-H */

#define EM_SPARCV9        43        /* SPARC Version 9 */

#define EM_TRICORE        44        /* Siemens Tricore */

#define EM_ARC                45        /* Argonaut RISC Core */

#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 Merced Processor */

#define EM_MIPS_X        51        /* Stanford MIPS-X */

#define EM_COLDFIRE        52        /* Motorola Coldfire */

#define EM_68HC12        53        /* Motorola MC68HC12 */

#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 family processor */

#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 CPU */

#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 CPU */

#define EM_FIREPATH        78        /* Element 14 64-bit DSP processor */

#define EM_ZSP                79        /* LSI Logic's 16-bit DSP processor */

#define EM_MMIX                80        /* Donald Knuth's educational 64-bit processor */

#define EM_HUANY        81        /* Harvard's machine-independent format */

#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_OR1K                92        /* OpenRISC 32-bit embedded processor */

#define EM_OPENRISC        EM_OR1K

#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 ST200 microcontroller */

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

#define EM_MAX                102        /* MAX processor */

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

#define EM_F2MC16        104        /* Fujitsu F2MC16 */

#define EM_MSP430        105        /* Texas Instruments MSP430 */

#define EM_BLACKFIN        106        /* Analog Devices Blackfin DSP */

#define EM_SE_C33        107        /* Seiko Epson S1C33 family */

#define EM_SEP                108        /* Sharp embedded microprocessor */

#define EM_ARCA                109        /* Arca RISC microprocessor */

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

#define EM_ALTERA_NIOS2        113        /* Altera Nios II soft-core processor */

#define EM_AARCH64        183        /* AArch64 64-bit ARM microprocessor */

#define EM_AVR32        185        /* Atmel Corporation 32-bit microprocessor family*/

#define EM_TILE64        187        /* Tilera TILE64 multicore architecture family */

#define EM_TILEPRO        188        /* Tilera TILEPro multicore architecture family */

#define EM_MICROBLAZE        189        /* Xilinx MicroBlaze 32-bit RISC soft processor core */

#define EM_TILEGX        192        /* Tilera TILE-GX multicore architecture family */

#define EM_Z80                220        /* Zilog Z80 */

#define EM_RISCV        243        /* RISC-V */

/* Unofficial machine types follow */

#define EM_ALPHA_EXP        36902        /* used by NetBSD/alpha; obsolete */

#define EM_NUM                36903

/*

 * Program Header

 */

typedef struct {

        Elf32_Word        p_type;                /* entry type */

        Elf32_Off        p_offset;        /* offset */

        Elf32_Addr        p_vaddr;        /* virtual address */

        Elf32_Addr        p_paddr;        /* physical address */

        Elf32_Word        p_filesz;        /* file size */

        Elf32_Word        p_memsz;        /* memory size */

        Elf32_Word        p_flags;        /* flags */

        Elf32_Word        p_align;        /* memory & file alignment */

} Elf32_Phdr;

typedef struct {

        Elf64_Word        p_type;                /* entry type */

        Elf64_Word        p_flags;        /* flags */

        Elf64_Off        p_offset;        /* offset */

        Elf64_Addr        p_vaddr;        /* virtual address */

        Elf64_Addr        p_paddr;        /* physical address */

        Elf64_Xword        p_filesz;        /* file size */

        Elf64_Xword        p_memsz;        /* memory size */

        Elf64_Xword        p_align;        /* memory & file alignment */

} Elf64_Phdr;

/* p_type */

#define PT_NULL                0                /* Program header table entry unused */

#define PT_LOAD                1                /* Loadable program segment */

#define PT_DYNAMIC        2                /* Dynamic linking information */

#define PT_INTERP        3                /* Program interpreter */

#define PT_NOTE                4                /* Auxiliary information */

#define PT_SHLIB        5                /* Reserved, unspecified semantics */

#define PT_PHDR                6                /* Entry for header table itself */

#define PT_TLS                7                /* TLS initialisation image */

#define PT_NUM                8

#define PT_LOOS                0x60000000        /* OS-specific range */

/* GNU-specific */

#define PT_GNU_EH_FRAME 0x6474e550        /* EH frame segment */

#define PT_GNU_STACK        0x6474e551        /* Indicate executable stack */

#define PT_GNU_RELRO        0x6474e552        /* Make read-only after relocation */

#define PT_HIOS                0x6fffffff

#define PT_LOPROC        0x70000000        /* Processor-specific range */

#define PT_HIPROC        0x7fffffff

#define PT_MIPS_REGINFO 0x70000000

/* p_flags */

#define PF_R                0x4                /* Segment is readable */

#define PF_W                0x2                /* Segment is writable */

#define PF_X                0x1                /* Segment is executable */

#define PF_MASKOS        0x0ff00000        /* Operating system specific values */

#define PF_MASKPROC        0xf0000000        /* Processor-specific values */

/* Extended program header index. */

#define PN_XNUM                0xffff

/*

 * Section Headers

 */

typedef struct {

        Elf32_Word        sh_name;        /* section name (.shstrtab index) */

        Elf32_Word        sh_type;        /* section type */

        Elf32_Word        sh_flags;        /* section flags */

        Elf32_Addr        sh_addr;        /* virtual address */

        Elf32_Off        sh_offset;        /* file offset */

        Elf32_Word        sh_size;        /* section size */

        Elf32_Word        sh_link;        /* link to another */

        Elf32_Word        sh_info;        /* misc info */

        Elf32_Word        sh_addralign;        /* memory alignment */

        Elf32_Word        sh_entsize;        /* table entry size */

} Elf32_Shdr;

typedef struct {

        Elf64_Word        sh_name;        /* section name (.shstrtab index) */

        Elf64_Word        sh_type;        /* section type */

        Elf64_Xword        sh_flags;        /* section flags */

        Elf64_Addr        sh_addr;        /* virtual address */

        Elf64_Off        sh_offset;        /* file offset */

        Elf64_Xword        sh_size;        /* section size */

        Elf64_Word        sh_link;        /* link to another */

        Elf64_Word        sh_info;        /* misc info */

        Elf64_Xword        sh_addralign;        /* memory alignment */

        Elf64_Xword        sh_entsize;        /* table entry size */

} Elf64_Shdr;

/* sh_type */

#define SHT_NULL              0                /* Section header table entry unused */

#define SHT_PROGBITS              1                /* Program information */

#define SHT_SYMTAB              2                /* Symbol table */

#define SHT_STRTAB              3                /* String table */

#define SHT_RELA              4                /* Relocation information w/ addend */

#define SHT_HASH              5                /* Symbol hash table */

#define SHT_DYNAMIC              6                /* Dynamic linking information */

#define SHT_NOTE              7                /* Auxiliary information */

#define SHT_NOBITS              8                /* No space allocated in file image */

#define SHT_REL                      9                /* Relocation information w/o addend */

#define SHT_SHLIB             10                /* Reserved, unspecified semantics */

#define SHT_DYNSYM             11                /* Symbol table for dynamic linker */

#define SHT_INIT_ARRAY             14                /* Initialization function pointers */

#define SHT_FINI_ARRAY             15                /* Termination function pointers */

#define SHT_PREINIT_ARRAY    16                /* Pre-initialization function ptrs */

#define SHT_GROUP             17                /* Section group */

#define SHT_SYMTAB_SHNDX     18                /* Section indexes (see SHN_XINDEX) */

#define SHT_NUM                     19

#define SHT_LOOS             0x60000000 /* Operating system specific range */

#define SHT_GNU_INCREMENTAL_INPUTS 0x6fff4700   /* GNU incremental build data */

#define        SHT_LOSUNW             0x6ffffff4

#define        SHT_SUNW_dof             0x6ffffff4

#define        SHT_GNU_ATTRIBUTES   0x6ffffff5        /* GNU object attributes */

#define        SHT_SUNW_cap             0x6ffffff5

#define        SHT_SUNW_SIGNATURE   0x6ffffff6

#define SHT_GNU_HASH             0x6ffffff6 /* GNU style symbol hash table */

#define SHT_GNU_LIBLIST             0x6ffffff7 /* GNU list of prelink dependencies */

#define SHT_SUNW_move             0x6ffffffa

#define        SHT_SUNW_COMDAT             0x6ffffffb

#define SHT_SUNW_syminfo     0x6ffffffc

#define SHT_SUNW_verdef             0x6ffffffd /* Versions defined by file */

#define SHT_GNU_verdef             SHT_SUNW_verdef

#define SHT_SUNW_verneed     0x6ffffffe /* Versions needed by file */

#define SHT_GNU_verneed             SHT_SUNW_verneed

#define SHT_SUNW_versym             0x6fffffff /* Symbol versions */

#define SHT_GNU_versym             SHT_SUNW_versym

#define        SHT_HISUNW             0x6fffffff

#define SHT_HIOS             0x6fffffff

#define SHT_LOPROC             0x70000000 /* Processor-specific range */

#define SHT_AMD64_UNWIND     0x70000001 /* unwind information */

#define SHT_ARM_EXIDX             0x70000001        /* exception index table */

#define SHT_ARM_PREEMPTMAP   0x70000002 /* BPABI DLL dynamic linking

                                         * pre-emption map */

#define SHT_ARM_ATTRIBUTES   0x70000003 /* Object file compatibility

                                         * attributes */

#define SHT_ARM_DEBUGOVERLAY 0x70000004 /* See DBGOVL for details */

#define SHT_ARM_OVERLAYSECTION 0x70000005

#define        SHT_MIPS_REGINFO     0x70000006

#define        SHT_MIPS_OPTIONS     0x7000000d

#define        SHT_MIPS_DWARF             0x7000001e        /* MIPS gcc uses MIPS_DWARF */

#define SHT_HIPROC             0x7fffffff

#define SHT_LOUSER             0x80000000 /* Application-specific range */

#define SHT_HIUSER             0xffffffff

/* sh_flags */

#define SHF_WRITE             0x00000001 /* Contains writable data */

#define SHF_ALLOC             0x00000002 /* Occupies memory */

#define SHF_EXECINSTR             0x00000004 /* Contains executable insns */

#define SHF_MERGE             0x00000010 /* Might be merged */

#define SHF_STRINGS             0x00000020 /* Contains nul terminated strings */

#define SHF_INFO_LINK             0x00000040 /* "sh_info" contains SHT index */

#define SHF_LINK_ORDER             0x00000080 /* Preserve order after combining */

#define SHF_OS_NONCONFORMING 0x00000100 /* OS specific handling required */

#define SHF_GROUP             0x00000200 /* Is member of a group */

#define SHF_TLS                     0x00000400 /* Holds thread-local data */

#define SHF_MASKOS             0x0ff00000 /* Operating system specific values */

#define SHF_MASKPROC             0xf0000000 /* Processor-specific values */

#define SHF_ORDERED             0x40000000 /* Ordering requirement (Solaris) */

#define SHF_EXCLUDE             0x80000000 /* Excluded unless unles ref/alloc

                                           (Solaris).*/

/*

 * Symbol Table

 */

typedef struct {

        Elf32_Word        st_name;        /* Symbol name (.strtab index) */

        Elf32_Word        st_value;        /* value of symbol */

        Elf32_Word        st_size;        /* size of symbol */

        Elf_Byte        st_info;        /* type / binding attrs */

        Elf_Byte        st_other;        /* unused */

        Elf32_Half        st_shndx;        /* section index of symbol */

} Elf32_Sym;

typedef struct {

        Elf64_Word        st_name;        /* Symbol name (.strtab index) */

        Elf_Byte        st_info;        /* type / binding attrs */

        Elf_Byte        st_other;        /* unused */

        Elf64_Half        st_shndx;        /* section index of symbol */

        Elf64_Addr        st_value;        /* value of symbol */

        Elf64_Xword        st_size;        /* size of symbol */

} Elf64_Sym;

/* Symbol Table index of the undefined symbol */

#define ELF_SYM_UNDEFINED        0

#define STN_UNDEF                0        /* undefined index */

/* st_info: Symbol Bindings */

#define STB_LOCAL                0        /* local symbol */

#define STB_GLOBAL                1        /* global symbol */

#define STB_WEAK                2        /* weakly defined global symbol */

#define STB_NUM                        3

#define STB_LOOS                10        /* Operating system specific range */

#define STB_HIOS                12

#define STB_LOPROC                13        /* Processor-specific range */

#define STB_HIPROC                15

/* st_info: Symbol Types */

#define STT_NOTYPE                0        /* Type not specified */

#define STT_OBJECT                1        /* Associated with a data object */

#define STT_FUNC                2        /* Associated with a function */

#define STT_SECTION                3        /* Associated with a section */

#define STT_FILE                4        /* Associated with a file name */

#define STT_COMMON                5        /* Uninitialised common block */

#define STT_TLS                        6        /* Thread local data object */

#define STT_NUM                        7

#define STT_LOOS                10        /* Operating system specific range */

#define STT_GNU_IFUNC                10        /* GNU extension: indirect function */

#define STT_HIOS                12

#define STT_LOPROC                13        /* Processor-specific range */

#define STT_HIPROC                15

/* st_other: Visibility Types */

#define STV_DEFAULT                0        /* use binding type */

#define STV_INTERNAL                1        /* not referenced from outside */

#define STV_HIDDEN                2        /* not visible, may be used via ptr */

#define STV_PROTECTED                3        /* visible, not preemptible */

#define STV_EXPORTED                4

#define STV_SINGLETON                5

#define STV_ELIMINATE                6

/* st_info/st_other utility macros */

#define ELF_ST_BIND(info)                ((uint32_t)(info) >> 4)

#define ELF_ST_TYPE(info)                ((uint32_t)(info) & 0xf)

#define ELF_ST_INFO(bind,type)                ((Elf_Byte)(((bind) << 4) | \

                                         ((type) & 0xf)))

#define ELF_ST_VISIBILITY(other)        ((uint32_t)(other) & 3)

/*

 * Special section indexes

 */

#define SHN_UNDEF        0                /* Undefined section */

#define SHN_LORESERVE        0xff00                /* Reserved range */

#define SHN_ABS                0xfff1                /*  Absolute symbols */

#define SHN_COMMON        0xfff2                /*  Common symbols */

#define SHN_XINDEX        0xffff                /* Escape -- index stored elsewhere */

#define SHN_HIRESERVE        0xffff

#define SHN_LOPROC        0xff00                /* Processor-specific range */

#define SHN_HIPROC        0xff1f

#define SHN_LOOS        0xff20                /* Operating system specific range */

#define SHN_HIOS        0xff3f

#define SHN_MIPS_ACOMMON 0xff00

#define SHN_MIPS_TEXT        0xff01

#define SHN_MIPS_DATA        0xff02

#define SHN_MIPS_SCOMMON 0xff03

/*

 * Relocation Entries

 */

typedef struct {

        Elf32_Word        r_offset;        /* where to do it */

        Elf32_Word        r_info;                /* index & type of relocation */

} Elf32_Rel;

typedef struct {

        Elf32_Word        r_offset;        /* where to do it */

        Elf32_Word        r_info;                /* index & type of relocation */

        Elf32_Sword        r_addend;        /* adjustment value */

} Elf32_Rela;

/* r_info utility macros */

#define ELF32_R_SYM(info)        ((info) >> 8)

#define ELF32_R_TYPE(info)        ((info) & 0xff)

#define ELF32_R_INFO(sym, type) (((sym) << 8) + (unsigned char)(type))

typedef struct {

        Elf64_Addr        r_offset;        /* where to do it */

        Elf64_Xword        r_info;                /* index & type of relocation */

} Elf64_Rel;

typedef struct {

        Elf64_Addr        r_offset;        /* where to do it */

        Elf64_Xword        r_info;                /* index & type of relocation */

        Elf64_Sxword        r_addend;        /* adjustment value */

} Elf64_Rela;

/* r_info utility macros */

#define ELF64_R_SYM(info)        ((info) >> 32)

#define ELF64_R_TYPE(info)        ((info) & 0xffffffff)

#define ELF64_R_INFO(sym,type)        (((sym) << 32) + (type))

/*

 * Move entries

 */

typedef struct {

        Elf32_Lword        m_value;        /* symbol value */

        Elf32_Word        m_info;                /* size + index */

        Elf32_Word        m_poffset;        /* symbol offset */

        Elf32_Half        m_repeat;        /* repeat count */

        Elf32_Half        m_stride;        /* stride info */

} Elf32_Move;

#define ELF32_M_SYM(info)        ((info) >> 8)

#define ELF32_M_SIZE(info)        ((info) & 0xff)

#define ELF32_M_INFO(sym, size) (((sym) << 8) + (unsigned char)(size))

typedef struct {

        Elf64_Lword        m_value;        /* symbol value */

        Elf64_Xword        m_info;                /* size + index */

        Elf64_Xword        m_poffset;        /* symbol offset */

        Elf64_Word        m_repeat;        /* repeat count */

        Elf64_Word        m_stride;        /* stride info */

} Elf64_Move;

#define ELF64_M_SYM(info)        ((info) >> 8)

#define ELF64_M_SIZE(info)        ((info) & 0xff)

#define ELF64_M_INFO(sym, size) (((sym) << 8) + (unsigned char)(size))

/*

 * Hardware/software capabilities entry

 */

typedef struct {

        Elf32_Word                c_tag;        /* entry tag value */

        union {

                Elf32_Addr        c_ptr;

                Elf32_Word        c_val;

        } c_un;

} Elf32_Cap;

typedef struct {

        Elf64_Xword                c_tag;        /* entry tag value */

        union {

                Elf64_Addr        c_ptr;

                Elf64_Xword        c_val;

        } c_un;

} Elf64_Cap;

/*

 * Dynamic Section structure array

 */

typedef struct {

        Elf32_Word                d_tag;        /* entry tag value */

        union {

                Elf32_Addr        d_ptr;

                Elf32_Word        d_val;

        } d_un;

} Elf32_Dyn;

typedef struct {

        Elf64_Xword                d_tag;        /* entry tag value */

        union {

                Elf64_Addr        d_ptr;

                Elf64_Xword        d_val;

        } d_un;

} Elf64_Dyn;

/* d_tag */

#define DT_NULL                0        /* Marks end of dynamic array */

#define DT_NEEDED        1        /* Name of needed library (DT_STRTAB offset) */

#define DT_PLTRELSZ        2        /* Size, in bytes, of relocations in PLT */

#define DT_PLTGOT        3        /* Address of PLT and/or 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 Rela relocation table */

#define DT_RELASZ        8        /* Size, in bytes, of DT_RELA table */

#define DT_RELAENT        9        /* Size, in bytes, of one DT_RELA entry */

#define DT_STRSZ        10        /* Size, in bytes, of DT_STRTAB table */

#define DT_SYMENT        11        /* Size, in bytes, of one DT_SYMTAB entry */

#define DT_INIT                12        /* Address of initialization function */

#define DT_FINI                13        /* Address of termination function */

#define DT_SONAME        14        /* Shared object name (DT_STRTAB offset) */

#define DT_RPATH        15        /* Library search path (DT_STRTAB offset) */

#define DT_SYMBOLIC        16        /* Start symbol search within local object */

#define DT_REL                17        /* Address of Rel relocation table */

#define DT_RELSZ        18        /* Size, in bytes, of DT_REL table */

#define DT_RELENT        19        /* Size, in bytes, of one DT_REL entry */

#define DT_PLTREL        20        /* Type of PLT relocation entries */

#define DT_DEBUG        21        /* Used for debugging; unspecified */

#define DT_TEXTREL        22        /* Relocations might modify non-writable seg */

#define DT_JMPREL        23        /* Address of relocations associated with PLT */

#define DT_BIND_NOW        24        /* Process all relocations at load-time */

#define DT_INIT_ARRAY        25        /* Address of initialization function array */

#define DT_FINI_ARRAY        26        /* Size, in bytes, of DT_INIT_ARRAY array */

#define DT_INIT_ARRAYSZ 27        /* Address of termination function array */

#define DT_FINI_ARRAYSZ 28        /* Size, in bytes, of DT_FINI_ARRAY array*/

#define DT_RUNPATH        29        /* overrides DT_RPATH */

#define DT_FLAGS        30        /* Encodes ORIGIN, SYMBOLIC, TEXTREL, BIND_NOW, STATIC_TLS */

#define DT_ENCODING        31        /* ??? */

#define DT_PREINIT_ARRAY 32        /* Address of pre-init function array */

#define DT_PREINIT_ARRAYSZ 33        /* Size, in bytes, of DT_PREINIT_ARRAY array */

#define DT_NUM                34

#define DT_LOOS                0x60000000        /* Operating system specific range */

#define DT_VERSYM        0x6ffffff0        /* Symbol versions */

#define DT_FLAGS_1        0x6ffffffb        /* ELF dynamic flags */

#define DT_VERDEF        0x6ffffffc        /* Versions defined by file */

#define DT_VERDEFNUM        0x6ffffffd        /* Number of versions defined by file */

#define DT_VERNEED        0x6ffffffe        /* Versions needed by file */

#define DT_VERNEEDNUM        0x6fffffff        /* Number of versions needed by file */

#define DT_HIOS                0x6fffffff

#define DT_LOPROC        0x70000000        /* Processor-specific range */

#define DT_HIPROC        0x7fffffff

/* Flag values for DT_FLAGS */

#define DF_ORIGIN        0x00000001        /* uses $ORIGIN */

#define DF_SYMBOLIC        0x00000002        /* */

#define DF_TEXTREL        0x00000004        /* */

#define DF_BIND_NOW        0x00000008        /* */

#define DF_STATIC_TLS        0x00000010        /* */

/* Flag values for DT_FLAGS_1 (incomplete) */

#define DF_1_BIND_NOW        0x00000001        /* Same as DF_BIND_NOW */

#define DF_1_NODELETE        0x00000008        /* Set the RTLD_NODELETE for object */

#define DF_1_INITFIRST        0x00000020        /* Object's init/fini take priority */

#define DF_1_NOOPEN        0x00000040        /* Do not allow loading on dlopen() */

/*

 * Auxiliary Vectors

 */

typedef struct {

        Elf32_Word        a_type;                                /* 32-bit id */

        Elf32_Word        a_v;                                /* 32-bit id */

} Aux32Info;

typedef struct {

        Elf64_Word        a_type;                /* 32-bit id */

        Elf64_Xword        a_v;                /* 64-bit id */

} Aux64Info;

/* a_type */

#define AT_NULL                0        /* Marks end of array */

#define AT_IGNORE        1        /* No meaning, a_un is undefined */

#define AT_EXECFD        2        /* Open file descriptor of object file */

#define AT_PHDR                3        /* &phdr[0] */

#define AT_PHENT        4        /* sizeof(phdr[0]) */

#define AT_PHNUM        5        /* # phdr entries */

#define AT_PAGESZ        6        /* PAGESIZE */

#define AT_BASE                7        /* Interpreter base addr */

#define AT_FLAGS        8        /* Processor flags */

#define AT_ENTRY        9        /* Entry address of executable */

#define AT_DCACHEBSIZE        10        /* Data cache block size */

#define AT_ICACHEBSIZE        11        /* Instruction cache block size */

#define AT_UCACHEBSIZE        12        /* Unified cache block size */

#define AT_STACKBASE        13        /* Base address of the main thread */

        /* Vendor specific */

#define AT_MIPS_NOTELF        10        /* XXX a_val != 0 -> MIPS XCOFF executable */

#define AT_EUID                2000        /* euid (solaris compatible numbers) */

#define AT_RUID                2001        /* ruid (solaris compatible numbers) */

#define AT_EGID                2002        /* egid (solaris compatible numbers) */

#define AT_RGID                2003        /* rgid (solaris compatible numbers) */

        /* Solaris kernel specific */

#define AT_SUN_LDELF        2004        /* dynamic linker's ELF header */

#define AT_SUN_LDSHDR        2005        /* dynamic linker's section header */

#define AT_SUN_LDNAME        2006        /* dynamic linker's name */

#define AT_SUN_LPGSIZE        2007        /* large pagesize */

        /* Other information */

#define AT_SUN_PLATFORM 2008        /* sysinfo(SI_PLATFORM) */

#define AT_SUN_HWCAP        2009        /* process hardware capabilities */

#define AT_SUN_IFLUSH        2010        /* do we need to flush the instruction cache? */

#define AT_SUN_CPU        2011        /* CPU name */

        /* ibcs2 emulation band aid */

#define AT_SUN_EMUL_ENTRY 2012        /* coff entry point */

#define AT_SUN_EMUL_EXECFD 2013 /* coff file descriptor */

        /* Executable's fully resolved name */

#define AT_SUN_EXECNAME 2014

/*

 * The header for GNU-style hash sections.

 */

typedef struct {

        uint32_t        gh_nbuckets;        /* Number of hash buckets. */

        uint32_t        gh_symndx;        /* First visible symbol in .dynsym. */

        uint32_t        gh_maskwords;        /* #maskwords used in bloom filter. */

        uint32_t        gh_shift2;        /* Bloom filter shift count. */

} Elf_GNU_Hash_Header;

/*

 * Note Headers

 */

typedef struct {

        Elf32_Word n_namesz;

        Elf32_Word n_descsz;

        Elf32_Word n_type;

} Elf32_Nhdr;

typedef struct {

        Elf64_Word n_namesz;

        Elf64_Word n_descsz;

        Elf64_Word n_type;

} Elf64_Nhdr;

#define ELF_NOTE_GNU_NAMESZ                4

#define ELF_NOTE_GNU_NAME                "GNU\0"

/*

 * GNU-specific note type: ABI tag

 * name: GNU\0

 * namesz: 4

 * desc:

 *        word[0]: OS tag

 *        word[1]: major version

 *        word[2]: minor version

 *        word[3]: teeny version

 * descsz: 16

 */

/* GNU-specific note name and description sizes */

#define ELF_NOTE_TYPE_ABI_TAG                1

#define ELF_NOTE_ABI_NAME                ELF_NOTE_GNU_NAME

#define ELF_NOTE_ABI_NAMESZ                ELF_NOTE_GNU_NAMESZ

#define ELF_NOTE_ABI_DESCSZ                16

/* GNU-specific OS/version value stuff */

#define ELF_NOTE_ABI_OS_LINUX                0

#define ELF_NOTE_ABI_OS_HURD                1

#define ELF_NOTE_ABI_OS_SOLARIS                2

#define ELF_NOTE_ABI_OS_KFREEBSD        3

#define ELF_NOTE_ABI_OS_KNETBSD                4

/*

 * GNU-specific note type: Hardware capabilities

 * name: GNU\0

 * namesz: 4

 * desc:

 *        word[0]: Number of entries

 *        word[1]: Bitmask of enabled entries

 *        Followed by a byte id, and a NUL terminated string per entry

 * descsz: variable

 */

#define ELF_NOTE_TYPE_GNU_HWCAP                2

/*

 * GNU-specific note type: Build ID generated by ld

 * name: GNU\0

 * desc:

 *        word[0..4] SHA1 [default]

 * or

 *        word[0..3] md5 or uuid

 * descsz: 16 or 20

 */

#define ELF_NOTE_TYPE_GNU_BUILD_ID        3

/* SuSE-specific note type: ABI

 * name: SuSE\0

 * namesz: 5

 * desc:

 *        half[0] = MMmm

 *

 *        M = product major version

 *        m = product minor version

 * descsz: 2

 */

#define ELF_NOTE_TYPE_SUSE_TAG        1

/* SuSE-specific note name and description sizes */

#define ELF_NOTE_SUSE_NAMESZ        5

#define ELF_NOTE_SUSE_DESCSZ        2

/* SuSE-specific note name */

#define ELF_NOTE_SUSE_NAME                "SuSE\0"

/* SuSE-specific note type: version

 * name: SuSE\0\0\0\0

 * namesz: 8

 * desc:

 *        word[0] = VVTTMMmm

 *

 *        V = version of following data

 *        T = product type: [box, sles, nld, whatever]

 *        M = product major version

 *        m = product minor version

 * descsz: 8

 */

#define ELF_NOTE_TYPE_SUSE_VERSION_TAG        0x45537553        /* SuSE in LE */

/* SuSE-specific note name and description sizes */

#define ELF_NOTE_SUSE_VERSION_NAMESZ        8

#define ELF_NOTE_SUSE_VERSION_DESCSZ        8

/* SuSE-specific note name */

#define ELF_NOTE_SUSE_VERSION_NAME                "SuSE\0\0\0\0"

/* NetBSD-specific note type: Emulation name.

 * name: NetBSD\0\0

 * namesz: 8

 * desc:

 *        word[0]: MMmmrrpp00

 *

 *        M = major version

 *        m = minor version