756 lines
26 KiB
C
756 lines
26 KiB
C
/* $NetBSD: exec_elf.h,v 1.4 2014/01/03 16:50:54 dsl 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 */
|
|
|
|
typedef uint8_t Elf_Byte;
|
|
|
|
typedef uint32_t Elf32_Addr;
|
|
#define ELF32_FSZ_ADDR 4
|
|
typedef uint32_t Elf32_Off;
|
|
#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 Elf64_Addr;
|
|
#define ELF64_FSZ_ADDR 8
|
|
typedef uint64_t Elf64_Off;
|
|
#define ELF64_FSZ_OFF 8
|
|
|
|
#ifndef ELF64_FSZ_SWORD
|
|
typedef int32_t Elf64_Sword;
|
|
#define ELF64_FSZ_SWORD 4
|
|
#endif /* ELF64_FSZ_SWORD */
|
|
#ifndef ELF64_FSZ_WORD
|
|
typedef uint32_t Elf64_Word;
|
|
#define ELF64_FSZ_WORD 4
|
|
#endif /* ELF64_FSZ_WORD */
|
|
|
|
typedef int64_t Elf64_Sxword;
|
|
#define ELF64_FSZ_XWORD 8
|
|
typedef uint64_t Elf64_Xword;
|
|
#define ELF64_FSZ_XWORD 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 */
|
|
/* Unofficial OSABIs follow */
|
|
#define ELFOSABI_ARM 97 /* ARM */
|
|
#define ELFOSABI_STANDALONE 255 /* Standalone (embedded) application */
|
|
|
|
/* 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_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_OPENRISC 92 /* OpenRISC 32-bit embedded processor */
|
|
#define EM_ARC_A5 93 /* ARC Cores Tangent-A5 */
|
|
#define EM_XTENSA 94 /* Tensilica Xtensa Architecture */
|
|
#define EM_NS32K 97 /* National Semiconductor 32000 series */
|
|
|
|
/* 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_NUM 7
|
|
|
|
#define PT_LOOS 0x60000000 /* OS-specific range */
|
|
#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 */
|
|
|
|
/*
|
|
* 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_NUM 12
|
|
|
|
#define SHT_LOOS 0x60000000 /* Operating system specific range */
|
|
#define SHT_HIOS 0x6fffffff
|
|
#define SHT_LOPROC 0x70000000 /* Processor-specific range */
|
|
#define SHT_HIPROC 0x7fffffff
|
|
#define SHT_LOUSER 0x80000000 /* Application-specific range */
|
|
#define SHT_HIUSER 0xffffffff
|
|
|
|
/* sh_flags */
|
|
#define SHF_WRITE 0x1 /* Section contains writable data */
|
|
#define SHF_ALLOC 0x2 /* Section occupies memory */
|
|
#define SHF_EXECINSTR 0x4 /* Section contains executable insns */
|
|
|
|
#define SHF_MASKOS 0x0f000000 /* Operating system specific values */
|
|
#define SHF_MASKPROC 0xf0000000 /* Processor-specific values */
|
|
|
|
/*
|
|
* Symbol Table
|
|
*/
|
|
typedef struct {
|
|
Elf32_Word st_name; /* Symbol name (.symtab 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 (.symtab 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
|
|
|
|
/* 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_NUM 5
|
|
|
|
#define STT_LOOS 10 /* Operating system specific range */
|
|
#define STT_HIOS 12
|
|
#define STT_LOPROC 13 /* Processor-specific range */
|
|
#define STT_HIPROC 15
|
|
|
|
/* st_info utility macros */
|
|
#define ELF32_ST_BIND(info) ((Elf32_Word)(info) >> 4)
|
|
#define ELF32_ST_TYPE(info) ((Elf32_Word)(info) & 0xf)
|
|
#define ELF32_ST_INFO(bind,type) ((Elf_Byte)(((bind) << 4) | ((type) & 0xf)))
|
|
|
|
#define ELF64_ST_BIND(info) ((Elf64_Xword)(info) >> 4)
|
|
#define ELF64_ST_TYPE(info) ((Elf64_Xword)(info) & 0xf)
|
|
#define ELF64_ST_INFO(bind,type) ((Elf_Byte)(((bind) << 4) | ((type) & 0xf)))
|
|
|
|
/*
|
|
* 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_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))
|
|
|
|
/*
|
|
* 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_NUM 29
|
|
|
|
#define DT_LOOS 0x60000000 /* Operating system specific range */
|
|
#define DT_HIOS 0x6fffffff
|
|
#define DT_LOPROC 0x70000000 /* Processor-specific range */
|
|
#define DT_HIPROC 0x7fffffff
|
|
|
|
/*
|
|
* 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 */
|
|
|
|
/* 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
|
|
|
|
/*
|
|
* 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_TYPE_ABI_TAG 1
|
|
|
|
/* GNU-specific note name and description sizes */
|
|
#define ELF_NOTE_ABI_NAMESZ 4
|
|
#define ELF_NOTE_ABI_DESCSZ 16
|
|
/* GNU-specific note name */
|
|
#define ELF_NOTE_ABI_NAME "GNU\0"
|
|
|
|
/* 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
|
|
|
|
/* NetBSD-specific note type: Emulation name. desc is emul name string. */
|
|
#define ELF_NOTE_TYPE_NETBSD_TAG 1
|
|
|
|
/* NetBSD-specific note name and description sizes */
|
|
#define ELF_NOTE_NETBSD_NAMESZ 7
|
|
#define ELF_NOTE_NETBSD_DESCSZ 4
|
|
/* NetBSD-specific note name */
|
|
#define ELF_NOTE_NETBSD_NAME "NetBSD\0\0"
|
|
|
|
/*
|
|
* NetBSD-specific core file information.
|
|
*
|
|
* NetBSD ELF core files use notes to provide information about
|
|
* the process's state. The note name is "NetBSD-CORE" for
|
|
* information that is global to the process, and "NetBSD-CORE@nn",
|
|
* where "nn" is the lwpid of the LWP that the information belongs
|
|
* to (such as register state).
|
|
*
|
|
* We use the following note identifiers:
|
|
*
|
|
* ELF_NOTE_NETBSD_CORE_PROCINFO
|
|
* Note is a "netbsd_elfcore_procinfo" structure.
|
|
*
|
|
* We also use ptrace(2) request numbers (the ones that exist in
|
|
* machine-dependent space) to identify register info notes. The
|
|
* info in such notes is in the same format that ptrace(2) would
|
|
* export that information.
|
|
*
|
|
* Please try to keep the members of this structure nicely aligned,
|
|
* and if you add elements, add them to the end and bump the version.
|
|
*/
|
|
|
|
#define ELF_NOTE_NETBSD_CORE_NAME "NetBSD-CORE"
|
|
|
|
#define ELF_NOTE_NETBSD_CORE_PROCINFO 1
|
|
|
|
#define NETBSD_ELFCORE_PROCINFO_VERSION 1
|
|
|
|
struct netbsd_elfcore_procinfo {
|
|
/* Version 1 fields start here. */
|
|
uint32_t cpi_version; /* netbsd_elfcore_procinfo version */
|
|
uint32_t cpi_cpisize; /* sizeof(netbsd_elfcore_procinfo) */
|
|
uint32_t cpi_signo; /* killing signal */
|
|
uint32_t cpi_sigcode; /* signal code */
|
|
uint32_t cpi_sigpend[4]; /* pending signals */
|
|
uint32_t cpi_sigmask[4]; /* blocked signals */
|
|
uint32_t cpi_sigignore[4];/* blocked signals */
|
|
uint32_t cpi_sigcatch[4];/* blocked signals */
|
|
int32_t cpi_pid; /* process ID */
|
|
int32_t cpi_ppid; /* parent process ID */
|
|
int32_t cpi_pgrp; /* process group ID */
|
|
int32_t cpi_sid; /* session ID */
|
|
uint32_t cpi_ruid; /* real user ID */
|
|
uint32_t cpi_euid; /* effective user ID */
|
|
uint32_t cpi_svuid; /* saved user ID */
|
|
uint32_t cpi_rgid; /* real group ID */
|
|
uint32_t cpi_egid; /* effective group ID */
|
|
uint32_t cpi_svgid; /* saved group ID */
|
|
uint32_t cpi_nlwps; /* number of LWPs */
|
|
int8_t cpi_name[32]; /* copy of p->p_comm */
|
|
/* Add version 2 fields below here. */
|
|
int32_t cpi_siglwp; /* LWP target of killing signal */
|
|
};
|
|
|
|
#if defined(ELFSIZE)
|
|
#define CONCAT(x,y) __CONCAT(x,y)
|
|
#define ELFNAME(x) CONCAT(elf,CONCAT(ELFSIZE,CONCAT(_,x)))
|
|
#define ELFNAME2(x,y) CONCAT(x,CONCAT(_elf,CONCAT(ELFSIZE,CONCAT(_,y))))
|
|
#define ELFNAMEEND(x) CONCAT(x,CONCAT(_elf,ELFSIZE))
|
|
#define ELFDEFNNAME(x) CONCAT(ELF,CONCAT(ELFSIZE,CONCAT(_,x)))
|
|
#endif
|
|
|
|
#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_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_R_SYM ELF32_R_SYM
|
|
#define ELF_R_TYPE ELF32_R_TYPE
|
|
#define ELFCLASS ELFCLASS32
|
|
|
|
#define ELF_ST_BIND ELF32_ST_BIND
|
|
#define ELF_ST_TYPE ELF32_ST_TYPE
|
|
#define ELF_ST_INFO ELF32_ST_INFO
|
|
|
|
#define AuxInfo Aux32Info
|
|
#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_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_R_SYM ELF64_R_SYM
|
|
#define ELF_R_TYPE ELF64_R_TYPE
|
|
#define ELFCLASS ELFCLASS64
|
|
|
|
#define ELF_ST_BIND ELF64_ST_BIND
|
|
#define ELF_ST_TYPE ELF64_ST_TYPE
|
|
#define ELF_ST_INFO ELF64_ST_INFO
|
|
|
|
#define AuxInfo Aux64Info
|
|
#endif
|
|
|
|
#endif /* !_SYS_EXEC_ELF_H_ */
|