mirror of
https://github.com/CTCaer/hekate
synced 2024-11-09 13:26:35 +00:00
589 lines
22 KiB
C
589 lines
22 KiB
C
/* $OpenBSD: exec_elf.h,v 1.53 2014/01/03 03:00:39 guenther Exp $ */
|
|
/*
|
|
* Copyright (c) 1995, 1996 Erik Theisen. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
* IN NO EVENT SHALL THE AUTHOR 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.
|
|
*/
|
|
|
|
/* imported sys/exec_elf.h from OpenBSD */
|
|
|
|
#ifndef ELF_H
|
|
#define ELF_H
|
|
#include <stdint.h>
|
|
|
|
typedef uint8_t Elf_Byte;
|
|
|
|
typedef uint32_t Elf32_Addr; /* Unsigned program address */
|
|
typedef uint32_t Elf32_Off; /* Unsigned file offset */
|
|
typedef int32_t Elf32_Sword; /* Signed large integer */
|
|
typedef uint32_t Elf32_Word; /* Unsigned large integer */
|
|
typedef uint16_t Elf32_Half; /* Unsigned medium integer */
|
|
|
|
typedef uint64_t Elf64_Addr;
|
|
typedef uint64_t Elf64_Off;
|
|
typedef int32_t Elf64_Shalf;
|
|
|
|
#ifdef __alpha__
|
|
typedef int64_t Elf64_Sword;
|
|
typedef uint64_t Elf64_Word;
|
|
#else
|
|
typedef int32_t Elf64_Sword;
|
|
typedef uint32_t Elf64_Word;
|
|
#endif
|
|
|
|
typedef int64_t Elf64_Sxword;
|
|
typedef uint64_t Elf64_Xword;
|
|
|
|
typedef uint32_t Elf64_Half;
|
|
typedef uint16_t Elf64_Quarter;
|
|
|
|
/*
|
|
* e_ident[] identification indexes
|
|
* See http://www.sco.com/developers/gabi/latest/ch4.eheader.html
|
|
*/
|
|
#define EI_MAG0 0 /* file ID */
|
|
#define EI_MAG1 1 /* file ID */
|
|
#define EI_MAG2 2 /* file ID */
|
|
#define EI_MAG3 3 /* file ID */
|
|
#define EI_CLASS 4 /* file class */
|
|
#define EI_DATA 5 /* data encoding */
|
|
#define EI_VERSION 6 /* ELF header version */
|
|
#define EI_OSABI 7 /* OS/ABI ID */
|
|
#define EI_ABIVERSION 8 /* ABI version */
|
|
#define EI_PAD 9 /* start of pad bytes */
|
|
#define EI_NIDENT 16 /* Size of e_ident[] */
|
|
|
|
/* e_ident[] magic number */
|
|
#define ELFMAG0 0x7f /* e_ident[EI_MAG0] */
|
|
#define ELFMAG1 'E' /* e_ident[EI_MAG1] */
|
|
#define ELFMAG2 'L' /* e_ident[EI_MAG2] */
|
|
#define ELFMAG3 'F' /* e_ident[EI_MAG3] */
|
|
#define ELFMAG "\177ELF" /* magic */
|
|
#define SELFMAG 4 /* size of magic */
|
|
|
|
/* e_ident[] file class */
|
|
#define ELFCLASSNONE 0 /* invalid */
|
|
#define ELFCLASS32 1 /* 32-bit objs */
|
|
#define ELFCLASS64 2 /* 64-bit objs */
|
|
#define ELFCLASSNUM 3 /* number of classes */
|
|
|
|
/* e_ident[] data encoding */
|
|
#define ELFDATANONE 0 /* invalid */
|
|
#define ELFDATA2LSB 1 /* Little-Endian */
|
|
#define ELFDATA2MSB 2 /* Big-Endian */
|
|
#define ELFDATANUM 3 /* number of data encode defines */
|
|
|
|
/* e_ident[] Operating System/ABI */
|
|
#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 common IA32 ABI */
|
|
#define ELFOSABI_SOLARIS 6 /* Solaris */
|
|
#define ELFOSABI_MONTEREY 7 /* Monterey */
|
|
#define ELFOSABI_IRIX 8 /* IRIX */
|
|
#define ELFOSABI_FREEBSD 9 /* FreeBSD */
|
|
#define ELFOSABI_TRU64 10 /* TRU64 UNIX */
|
|
#define ELFOSABI_MODESTO 11 /* Novell Modesto */
|
|
#define ELFOSABI_OPENBSD 12 /* OpenBSD */
|
|
#define ELFOSABI_ARM 97 /* ARM */
|
|
#define ELFOSABI_STANDALONE 255 /* Standalone (embedded) application */
|
|
|
|
/* e_ident */
|
|
#define IS_ELF(ehdr) ((ehdr).e_ident[EI_MAG0] == ELFMAG0 && \
|
|
(ehdr).e_ident[EI_MAG1] == ELFMAG1 && \
|
|
(ehdr).e_ident[EI_MAG2] == ELFMAG2 && \
|
|
(ehdr).e_ident[EI_MAG3] == ELFMAG3)
|
|
|
|
/* ELF Header */
|
|
typedef struct
|
|
{
|
|
unsigned char e_ident[EI_NIDENT]; /* ELF Identification */
|
|
Elf32_Half e_type; /* object file type */
|
|
Elf32_Half e_machine; /* machine */
|
|
Elf32_Word e_version; /* object file version */
|
|
Elf32_Addr e_entry; /* virtual entry point */
|
|
Elf32_Off e_phoff; /* program header table offset */
|
|
Elf32_Off e_shoff; /* section header table offset */
|
|
Elf32_Word e_flags; /* processor-specific flags */
|
|
Elf32_Half e_ehsize; /* ELF header size */
|
|
Elf32_Half e_phentsize; /* program header entry size */
|
|
Elf32_Half e_phnum; /* number of program header entries */
|
|
Elf32_Half e_shentsize; /* section header entry size */
|
|
Elf32_Half e_shnum; /* number of section header entries */
|
|
Elf32_Half e_shstrndx; /* section header table's "section
|
|
header string table" entry offset */
|
|
} Elf32_Ehdr;
|
|
|
|
typedef struct
|
|
{
|
|
unsigned char e_ident[EI_NIDENT]; /* Id bytes */
|
|
Elf64_Quarter e_type; /* file type */
|
|
Elf64_Quarter e_machine; /* machine type */
|
|
Elf64_Half 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_Half e_flags; /* Processor flags */
|
|
Elf64_Quarter e_ehsize; /* sizeof ehdr */
|
|
Elf64_Quarter e_phentsize; /* Program header entry size */
|
|
Elf64_Quarter e_phnum; /* Number of program headers */
|
|
Elf64_Quarter e_shentsize; /* Section header entry size */
|
|
Elf64_Quarter e_shnum; /* Number of section headers */
|
|
Elf64_Quarter e_shstrndx; /* String table index */
|
|
} Elf64_Ehdr;
|
|
|
|
/* 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 /* number of types */
|
|
#define ET_LOPROC 0xff00 /* reserved range for processor */
|
|
#define ET_HIPROC 0xffff /* specific e_type */
|
|
|
|
/* 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 - unused? */
|
|
#define EM_860 7 /* Intel 80860 */
|
|
#define EM_MIPS 8 /* MIPS R3000 Big-Endian only */
|
|
/*
|
|
* Don't know if EM_MIPS_RS4_BE,
|
|
* EM_SPARC64, EM_PARISC,
|
|
* or EM_PPC are ABI compliant
|
|
*/
|
|
#define EM_MIPS_RS4_BE 10 /* MIPS R4000 Big-Endian */
|
|
#define EM_SPARC64 11 /* SPARC v9 64-bit unofficial */
|
|
#define EM_PARISC 15 /* HPPA */
|
|
#define EM_SPARC32PLUS 18 /* Enhanced instruction set SPARC */
|
|
#define EM_PPC 20 /* PowerPC */
|
|
#define EM_ARM 40 /* ARM AArch32 */
|
|
#define EM_ALPHA 41 /* DEC ALPHA */
|
|
#define EM_SH 42 /* Hitachi/Renesas Super-H */
|
|
#define EM_SPARCV9 43 /* SPARC version 9 */
|
|
#define EM_IA_64 50 /* Intel IA-64 Processor */
|
|
#define EM_AMD64 62 /* AMD64 architecture */
|
|
#define EM_VAX 75 /* DEC VAX */
|
|
#define EM_AARCH64 183 /* ARM AArch64 */
|
|
|
|
/* Non-standard */
|
|
#define EM_ALPHA_EXP 0x9026 /* DEC ALPHA */
|
|
|
|
/* Version */
|
|
#define EV_NONE 0 /* Invalid */
|
|
#define EV_CURRENT 1 /* Current */
|
|
#define EV_NUM 2 /* number of versions */
|
|
|
|
/* Section Header */
|
|
typedef struct
|
|
{
|
|
Elf32_Word sh_name; /* name - index into section header
|
|
* string table section */
|
|
Elf32_Word sh_type; /* type */
|
|
Elf32_Word sh_flags; /* flags */
|
|
Elf32_Addr sh_addr; /* address */
|
|
Elf32_Off sh_offset; /* file offset */
|
|
Elf32_Word sh_size; /* section size */
|
|
Elf32_Word sh_link; /* section header table index link */
|
|
Elf32_Word sh_info; /* extra information */
|
|
Elf32_Word sh_addralign; /* address alignment */
|
|
Elf32_Word sh_entsize; /* section entry size */
|
|
} Elf32_Shdr;
|
|
|
|
typedef struct
|
|
{
|
|
Elf64_Half sh_name; /* section name */
|
|
Elf64_Half 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_Half sh_link; /* link to another */
|
|
Elf64_Half sh_info; /* misc info */
|
|
Elf64_Xword sh_addralign; /* memory alignment */
|
|
Elf64_Xword sh_entsize; /* table entry size */
|
|
} Elf64_Shdr;
|
|
|
|
/* Special Section Indexes */
|
|
#define SHN_UNDEF 0 /* undefined */
|
|
#define SHN_LORESERVE 0xff00 /* lower bounds of reserved indexes */
|
|
#define SHN_LOPROC 0xff00 /* reserved range for processor */
|
|
#define SHN_HIPROC 0xff1f /* specific section indexes */
|
|
#define SHN_ABS 0xfff1 /* absolute value */
|
|
#define SHN_COMMON 0xfff2 /* common symbol */
|
|
#define SHN_HIRESERVE 0xffff /* upper bounds of reserved indexes */
|
|
|
|
/* sh_type */
|
|
#define SHT_NULL 0 /* inactive */
|
|
#define SHT_PROGBITS 1 /* program defined information */
|
|
#define SHT_SYMTAB 2 /* symbol table section */
|
|
#define SHT_STRTAB 3 /* string table section */
|
|
#define SHT_RELA 4 /* relocation section with addends*/
|
|
#define SHT_HASH 5 /* symbol hash table section */
|
|
#define SHT_DYNAMIC 6 /* dynamic section */
|
|
#define SHT_NOTE 7 /* note section */
|
|
#define SHT_NOBITS 8 /* no space section */
|
|
#define SHT_REL 9 /* relation section without addends */
|
|
#define SHT_SHLIB 10 /* reserved - purpose unknown */
|
|
#define SHT_DYNSYM 11 /* dynamic symbol table section */
|
|
#define SHT_NUM 12 /* number of section types */
|
|
#define SHT_LOPROC 0x70000000 /* reserved range for processor */
|
|
#define SHT_HIPROC 0x7fffffff /* specific section header types */
|
|
#define SHT_LOUSER 0x80000000 /* reserved range for application */
|
|
#define SHT_HIUSER 0xffffffff /* specific indexes */
|
|
|
|
/* Section names */
|
|
#define ELF_BSS ".bss" /* uninitialized data */
|
|
#define ELF_DATA ".data" /* initialized data */
|
|
#define ELF_DEBUG ".debug" /* debug */
|
|
#define ELF_DYNAMIC ".dynamic" /* dynamic linking information */
|
|
#define ELF_DYNSTR ".dynstr" /* dynamic string table */
|
|
#define ELF_DYNSYM ".dynsym" /* dynamic symbol table */
|
|
#define ELF_FINI ".fini" /* termination code */
|
|
#define ELF_GOT ".got" /* global offset table */
|
|
#define ELF_HASH ".hash" /* symbol hash table */
|
|
#define ELF_INIT ".init" /* initialization code */
|
|
#define ELF_REL_DATA ".rel.data" /* relocation data */
|
|
#define ELF_REL_FINI ".rel.fini" /* relocation termination code */
|
|
#define ELF_REL_INIT ".rel.init" /* relocation initialization code */
|
|
#define ELF_REL_DYN ".rel.dyn" /* relocation dynamic link info */
|
|
#define ELF_REL_RODATA ".rel.rodata" /* relocation read-only data */
|
|
#define ELF_REL_TEXT ".rel.text" /* relocation code */
|
|
#define ELF_RODATA ".rodata" /* read-only data */
|
|
#define ELF_SHSTRTAB ".shstrtab" /* section header string table */
|
|
#define ELF_STRTAB ".strtab" /* string table */
|
|
#define ELF_SYMTAB ".symtab" /* symbol table */
|
|
#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_TLS 0x400 /* thread local storage */
|
|
#define SHF_MASKPROC 0xf0000000 /* reserved bits for processor \
|
|
* specific section attributes */
|
|
|
|
/* Symbol Table Entry */
|
|
typedef struct elf32_sym
|
|
{
|
|
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;
|
|
|
|
typedef struct
|
|
{
|
|
Elf64_Half st_name; /* Symbol name index in str table */
|
|
Elf_Byte st_info; /* type / binding attrs */
|
|
Elf_Byte st_other; /* unused */
|
|
Elf64_Quarter st_shndx; /* section index of symbol */
|
|
Elf64_Xword st_value; /* value of symbol */
|
|
Elf64_Xword st_size; /* size of symbol */
|
|
} Elf64_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 ELF64_ST_BIND(x) ((x) >> 4)
|
|
#define ELF64_ST_TYPE(x) (((unsigned int)x) & 0xf)
|
|
#define ELF64_ST_INFO(b, t) (((b) << 4) + ((t)&0xf))
|
|
|
|
/* 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_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_TLS 6 /* thread local storage */
|
|
#define STT_LOPROC 13 /* reserved range for processor */
|
|
#define STT_HIPROC 15 /* specific symbol types */
|
|
|
|
/* 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;
|
|
|
|
/* 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))
|
|
|
|
typedef struct
|
|
{
|
|
Elf64_Xword r_offset; /* where to do it */
|
|
Elf64_Xword r_info; /* index & type of relocation */
|
|
} Elf64_Rel;
|
|
|
|
typedef struct
|
|
{
|
|
Elf64_Xword r_offset; /* where to do it */
|
|
Elf64_Xword r_info; /* index & type of relocation */
|
|
Elf64_Sxword r_addend; /* adjustment value */
|
|
} Elf64_Rela;
|
|
|
|
#define ELF64_R_SYM(info) ((info) >> 32)
|
|
#define ELF64_R_TYPE(info) ((info)&0xFFFFFFFF)
|
|
#define ELF64_R_INFO(s, t) (((s) << 32) + (__uint32_t)(t))
|
|
|
|
#if defined(__mips64__) && defined(__MIPSEL__)
|
|
/*
|
|
* The 64-bit MIPS ELF ABI uses a slightly different relocation format
|
|
* than the regular ELF ABI: the r_info field is split into several
|
|
* pieces (see gnu/usr.bin/binutils/include/elf/mips.h for details).
|
|
*/
|
|
#undef ELF64_R_SYM
|
|
#undef ELF64_R_TYPE
|
|
#undef ELF64_R_INFO
|
|
#define ELF64_R_TYPE(info) (swap32((info) >> 32))
|
|
#define ELF64_R_SYM(info) ((info)&0xFFFFFFFF)
|
|
#define ELF64_R_INFO(s, t) (((__uint64_t)swap32(t) << 32) + (__uint32_t)(s))
|
|
#endif /* __mips64__ && __MIPSEL__ */
|
|
|
|
/* 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 - ignored? */
|
|
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_Half p_type; /* entry type */
|
|
Elf64_Half 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;
|
|
|
|
/* 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 */
|
|
#define PT_LOOS 0x60000000 /* reserved range for OS */
|
|
#define PT_HIOS 0x6fffffff /* specific segment types */
|
|
#define PT_LOPROC 0x70000000 /* reserved range for processor */
|
|
#define PT_HIPROC 0x7fffffff /* specific segment types */
|
|
|
|
#define PT_OPENBSD_RANDOMIZE 0x65a3dbe6 /* fill with random data */
|
|
#define PT_GANDR_KERNEL 0x67646b6c /* gdkl */
|
|
|
|
/* Segment flags - p_flags */
|
|
#define PF_X 0x1 /* Executable */
|
|
#define PF_W 0x2 /* Writable */
|
|
#define PF_R 0x4 /* Readable */
|
|
#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;
|
|
|
|
typedef struct
|
|
{
|
|
Elf64_Xword d_tag; /* controls meaning of d_val */
|
|
union {
|
|
Elf64_Addr d_ptr;
|
|
Elf64_Xword d_val;
|
|
} d_un;
|
|
} Elf64_Dyn;
|
|
|
|
/* 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 /* Bind now regardless of env setting */
|
|
#define DT_LOOS 0x6000000d /* reserved range for OS */
|
|
#define DT_HIOS 0x6ffff000 /* specific dynamic array tags */
|
|
#define DT_LOPROC 0x70000000 /* reserved range for processor */
|
|
#define DT_HIPROC 0x7fffffff /* specific dynamic array tags */
|
|
|
|
/* some other useful tags */
|
|
#define DT_RELACOUNT 0x6ffffff9 /* if present, number of RELATIVE */
|
|
#define DT_RELCOUNT 0x6ffffffa /* relocs, which must come first */
|
|
#define DT_FLAGS_1 0x6ffffffb
|
|
|
|
/* Dynamic Flags - DT_FLAGS_1 .dynamic entry */
|
|
#define DF_1_NOW 0x00000001
|
|
#define DF_1_GLOBAL 0x00000002
|
|
#define DF_1_GROUP 0x00000004
|
|
#define DF_1_NODELETE 0x00000008
|
|
#define DF_1_LOADFLTR 0x00000010
|
|
#define DF_1_INITFIRST 0x00000020
|
|
#define DF_1_NOOPEN 0x00000040
|
|
#define DF_1_ORIGIN 0x00000080
|
|
#define DF_1_DIRECT 0x00000100
|
|
#define DF_1_TRANS 0x00000200
|
|
#define DF_1_INTERPOSE 0x00000400
|
|
#define DF_1_NODEFLIB 0x00000800
|
|
#define DF_1_NODUMP 0x00001000
|
|
#define DF_1_CONLFAT 0x00002000
|
|
|
|
/* ld.so: number of low tags that are used saved internally (0 .. DT_NUM-1) */
|
|
#define DT_NUM (DT_JMPREL + 1)
|
|
|
|
/*
|
|
* Note Definitions
|
|
*/
|
|
typedef struct
|
|
{
|
|
Elf32_Word namesz;
|
|
Elf32_Word descsz;
|
|
Elf32_Word type;
|
|
} Elf32_Note;
|
|
|
|
typedef struct
|
|
{
|
|
Elf64_Half namesz;
|
|
Elf64_Half descsz;
|
|
Elf64_Half type;
|
|
} Elf64_Note;
|
|
|
|
#if defined(ELFSIZE) && (ELFSIZE == 32)
|
|
#define Elf_Ehdr Elf32_Ehdr
|
|
#define Elf_Phdr Elf32_Phdr
|
|
#define Elf_Shdr Elf32_Shdr
|
|
#define Elf_Sym Elf32_Sym
|
|
#define Elf_Rel Elf32_Rel
|
|
#define Elf_RelA Elf32_Rela
|
|
#define Elf_Dyn Elf32_Dyn
|
|
#define Elf_Half Elf32_Half
|
|
#define Elf_Word Elf32_Word
|
|
#define Elf_Sword Elf32_Sword
|
|
#define Elf_Addr Elf32_Addr
|
|
#define Elf_Off Elf32_Off
|
|
#define Elf_Nhdr Elf32_Nhdr
|
|
#define Elf_Note Elf32_Note
|
|
|
|
#define ELF_R_SYM ELF32_R_SYM
|
|
#define ELF_R_TYPE ELF32_R_TYPE
|
|
#define ELF_R_INFO ELF32_R_INFO
|
|
#define ELFCLASS ELFCLASS32
|
|
|
|
#define ELF_ST_BIND ELF32_ST_BIND
|
|
#define ELF_ST_TYPE ELF32_ST_TYPE
|
|
#define ELF_ST_INFO ELF32_ST_INFO
|
|
|
|
#elif defined(ELFSIZE) && (ELFSIZE == 64)
|
|
|
|
#define Elf_Ehdr Elf64_Ehdr
|
|
#define Elf_Phdr Elf64_Phdr
|
|
#define Elf_Shdr Elf64_Shdr
|
|
#define Elf_Sym Elf64_Sym
|
|
#define Elf_Rel Elf64_Rel
|
|
#define Elf_RelA Elf64_Rela
|
|
#define Elf_Dyn Elf64_Dyn
|
|
#define Elf_Half Elf64_Half
|
|
#define Elf_Word Elf64_Word
|
|
#define Elf_Sword Elf64_Sword
|
|
#define Elf_Addr Elf64_Addr
|
|
#define Elf_Off Elf64_Off
|
|
#define Elf_Nhdr Elf64_Nhdr
|
|
#define Elf_Note Elf64_Note
|
|
|
|
#define ELF_R_SYM ELF64_R_SYM
|
|
#define ELF_R_TYPE ELF64_R_TYPE
|
|
#define ELF_R_INFO ELF64_R_INFO
|
|
#define ELFCLASS ELFCLASS64
|
|
|
|
#define ELF_ST_BIND ELF64_ST_BIND
|
|
#define ELF_ST_TYPE ELF64_ST_TYPE
|
|
#define ELF_ST_INFO ELF64_ST_INFO
|
|
|
|
#endif
|
|
|
|
#endif
|