/* $NetBSD: exec_elf.h,v 1.5 2025/03/17 16:20:56 andvar 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>
#include <stddef.h>
#endif /* _KERNEL || _STANDALONE */
#if 0
#if HAVE_NBTOOL_CONFIG_H
#include <nbinclude/machine/elf_machdep.h>
#else
#include <machine/elf_machdep.h>
#endif
#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 [old] */
#define EM_IAMCU 6 /* Intel MCU. */
#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 microprocessor */
#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
#define PT_MIPS_ABIFLAGS 0x70000003
/* 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 */
#define DF_1_NOW 0x00000001 /* Same as DF_BIND_NOW */
#define DF_1_GLOBAL 0x00000002 /* Unused */
#define DF_1_GROUP 0x00000004 /* Is member of group */
#define DF_1_NODELETE 0x00000008 /* Cannot be deleted from process */
#define DF_1_LOADFLTR 0x00000010 /* Immediate loading of filters */
#define DF_1_INITFIRST 0x00000020 /* init/fini takes priority */
#define DF_1_NOOPEN 0x00000040 /* Do not allow loading on dlopen() */
#define DF_1_ORIGIN 0x00000080 /* Require $ORIGIN processing */
#define DF_1_DIRECT 0x00000100 /* Enable direct bindings */
#define DF_1_INTERPOSE 0x00000400 /* Is an interposer */
#define DF_1_NODEFLIB 0x00000800 /* Ignore default library search path */
#define DF_1_NODUMP 0x00001000 /* Cannot be dumped with dldump(3C) */
#define DF_1_CONFALT 0x00002000 /* Configuration alternative */
#define DF_1_ENDFILTEE 0x00004000 /* Filtee ends filter's search */
#define DF_1_DISPRELDNE 0x00008000 /* Did displacement relocation */
#define DF_1_DISPRELPND 0x00010000 /* Pending displacement relocation */
#define DF_1_NODIRECT 0x00020000 /* Has non-direct bindings */
#define DF_1_IGNMULDEF 0x00040000 /* Used internally */
#define DF_1_NOKSYMS 0x00080000 /* Used internally */
#define DF_1_NOHDR 0x00100000 /* Used internally */
#define DF_1_EDITED 0x00200000 /* Has been modified since build */
#define DF_1_NORELOC 0x00400000 /* Used internally */
#define DF_1_SYMINTPOSE 0x00800000 /* Has individual symbol interposers */
#define DF_1_GLOBAUDIT 0x01000000 /* Require global auditing */
#define DF_1_SINGLETON 0x02000000 /* Has singleton symbols */
#define DF_1_STUB 0x04000000 /* Stub */
#define DF_1_PIE 0x08000000 /* Position Independent Executable */
/*
* 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
/* Old gcc style, under the ABI tag */
#define ELF_NOTE_OGCC_NAMESZ 8
#define ELF_NOTE_OGCC_NAME "01.01\0\0\0\0"
#define ELF_NOTE_OGCC_DESCSZ 0
/*
* 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"
/* Go-specific note type: buildid
* name: Go\0\0
* namesz: 4
* desc:
* words[10]
* descsz: 40
*/
#define ELF_NOTE_TYPE_GO_BUILDID_TAG 4
#define ELF_NOTE_GO_BUILDID_NAMESZ 4
#define ELF_NOTE_GO_BUILDID_DESCSZ 40
#define ELF_NOTE_GO_BUILDID_NAME "Go\0\0"
/* NetBSD-specific note type: NetBSD ABI version.
* name: NetBSD\0\0
* namesz: 8
* desc:
* word[0]: MMmmrrpp00
*
* M = major version
* m = minor version
* r = release ["",A-Z,Z[A-Z] but numeric]
* p = patchlevel
* descsz: 4
*/
#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 note type: Emulation (obsolete; last used early 2000)
* name: NetBSD\0\0
* namesz: 8
* desc:
* "netbsd\0"
*
* descsz: 8
*/
#define ELF_NOTE_TYPE_NETBSD_EMUL_TAG 2
#define ELF_NOTE_NETBSD_EMUL_NAMESZ 7
#define ELF_NOTE_NETBSD_EMUL_DESCSZ 7
/* NetBSD-specific note name */
#define ELF_NOTE_NETBSD_EMUL_NAME "NetBSD\0\0"
/*
* NetBSD-specific note type: PaX.
* There should be 1 NOTE per executable.
* name: PaX\0
* namesz: 4
* desc:
* word[0]: capability bitmask
* descsz: 4
*/
#define ELF_NOTE_TYPE_PAX_TAG 3
#define ELF_NOTE_PAX_MPROTECT 0x01 /* Force enable Mprotect */
#define ELF_NOTE_PAX_NOMPROTECT 0x02 /* Force disable Mprotect */
#define ELF_NOTE_PAX_GUARD 0x04 /* Force enable Segvguard */
#define ELF_NOTE_PAX_NOGUARD 0x08 /* Force disable Segvguard */
#define ELF_NOTE_PAX_ASLR 0x10 /* Force enable ASLR */
#define ELF_NOTE_PAX_NOASLR 0x20 /* Force disable ASLR */
#define ELF_NOTE_PAX_NAMESZ 4
#define ELF_NOTE_PAX_NAME "PaX\0"
#define ELF_NOTE_PAX_DESCSZ 4
/*
* 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.
* ELF_NOTE_NETBSD_CORE_AUXV
* Note is an array of AuxInfo structures.
*
* 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 ELF_NOTE_NETBSD_CORE_AUXV 2
#define NETBSD_ELFCORE_PROCINFO_VERSION 1
struct netbsd_elfcore_procinfo {
/* Version 1 fields start here. */
uint32_t cpi_version; /* our version */
uint32_t cpi_cpisize; /* sizeof(this struct) */
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]; /* ignored signals */
uint32_t cpi_sigcatch[4]; /* caught 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 */
};
/*
* NetBSD-specific note type: MACHINE_ARCH.
* There should be 1 NOTE per executable.
* name: NetBSD\0
* namesz: 7
* desc: string
* descsz: variable
*/
#define ELF_NOTE_TYPE_MARCH_TAG 5
/* NetBSD-specific note name and description sizes */
#define ELF_NOTE_MARCH_NAMESZ ELF_NOTE_NETBSD_NAMESZ
/* NetBSD-specific note name */
#define ELF_NOTE_MARCH_NAME ELF_NOTE_NETBSD_NAME
/*
* NetBSD-specific note type: MCMODEL
* There should be 1 NOTE per executable.
* name: NetBSD\0
* namesz: 7
* code model: string
*/
#define ELF_NOTE_TYPE_MCMODEL_TAG 6
/* NetBSD-specific note name and description sizes */
#define ELF_NOTE_MCMODEL_NAMESZ ELF_NOTE_NETBSD_NAMESZ
/* NetBSD-specific note name */
#define ELF_NOTE_MCMODEL_NAME ELF_NOTE_NETBSD_NAME
#if !defined(ELFSIZE)
# if defined(_RUMPKERNEL) || !defined(_KERNEL)
# define ELFSIZE ARCH_ELFSIZE
# else
# define ELFSIZE KERN_ELFSIZE
# endif
#endif
#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)))
#define ElfW(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_Half Elf32_Half
#define Elf_Addr Elf32_Addr
#define Elf_Off Elf32_Off
#define Elf_SOff Elf32_SOff
#define Elf_Nhdr Elf32_Nhdr
#define Elf_Verdef Elf32_Verdef
#define Elf_Verdaux Elf32_Verdaux
#define Elf_Verneed Elf32_Verneed
#define Elf_Vernaux Elf32_Vernaux
#define Elf_Versym Elf32_Versym
#define ELF_R_SYM ELF32_R_SYM
#define ELF_R_TYPE ELF32_R_TYPE
#define ELFCLASS ELFCLASS32
#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_Half Elf64_Half
#define Elf_Addr Elf64_Addr
#define Elf_Off Elf64_Off
#define Elf_SOff Elf64_SOff
#define Elf_Nhdr Elf64_Nhdr
#define Elf_Verdef Elf64_Verdef
#define Elf_Verdaux Elf64_Verdaux
#define Elf_Verneed Elf64_Verneed
#define Elf_Vernaux Elf64_Vernaux
#define Elf_Versym Elf64_Versym
#define ELF_R_SYM ELF64_R_SYM
#define ELF_R_TYPE ELF64_R_TYPE
#define ELFCLASS ELFCLASS64
#define AuxInfo Aux64Info
#endif
#ifndef Elf_Symindx
#define Elf_Symindx uint32_t
#endif
#define ELF32_ST_BIND(info) ELF_ST_BIND(info)
#define ELF32_ST_TYPE(info) ELF_ST_TYPE(info)
#define ELF32_ST_INFO(bind,type) ELF_ST_INFO(bind,type)
#define ELF32_ST_VISIBILITY(other) ELF_ST_VISIBILITY(other)
#define ELF64_ST_BIND(info) ELF_ST_BIND(info)
#define ELF64_ST_TYPE(info) ELF_ST_TYPE(info)
#define ELF64_ST_INFO(bind,type) ELF_ST_INFO(bind,type)
#define ELF64_ST_VISIBILITY(other) ELF_ST_VISIBILITY(other)
typedef struct {
Elf32_Half si_boundto; /* direct bindings - symbol bound to */
Elf32_Half si_flags; /* per symbol flags */
} Elf32_Syminfo;
typedef struct {
Elf64_Word si_boundto; /* direct bindings - symbol bound to */
Elf64_Word si_flags; /* per symbol flags */
} Elf64_Syminfo;
#define SYMINFO_FLG_DIRECT 0x0001 /* symbol ref has direct association
to object containing definition */
#define SYMINFO_FLG_PASSTHRU 0x0002 /* ignored - see SYMINFO_FLG_FILTER */
#define SYMINFO_FLG_COPY 0x0004 /* symbol is a copy-reloc */
#define SYMINFO_FLG_LAZYLOAD 0x0008 /* object containing defn should be
lazily-loaded */
#define SYMINFO_FLG_DIRECTBIND 0x0010 /* ref should be bound directly to
object containing definition */
#define SYMINFO_FLG_NOEXTDIRECT 0x0020 /* don't let an external reference
directly bind to this symbol */
#define SYMINFO_FLG_FILTER 0x0002 /* symbol ref is associated to a */
#define SYMINFO_FLG_AUXILIARY 0x0040 /* standard or auxiliary filter */
#define SYMINFO_BT_SELF 0xffff /* symbol bound to self */
#define SYMINFO_BT_PARENT 0xfffe /* symbol bound to parent */
#define SYMINFO_BT_NONE 0xfffd /* no special symbol binding */
#define SYMINFO_BT_EXTERN 0xfffc /* symbol defined as external */
#define SYMINFO_BT_LOWRESERVE 0xff00 /* beginning of reserved entries */
#define SYMINFO_NONE 0 /* Syminfo version */
#define SYMINFO_CURRENT 1
#define SYMINFO_NUM 2
/*
* These constants are used for Elf32_Verdef struct's version number.
*/
#define VER_DEF_NONE 0
#define VER_DEF_CURRENT 1
/*
* These constants are used for Elf32_Verdef struct's vd_ndx.
*/
#define VER_DEF_IDX(x) VER_NDX(x)
/*
* These constants are used for Elf32_Verdef struct's vd_flags.
*/
#define VER_FLG_BASE 0x1
#define VER_FLG_WEAK 0x2
/*
* These are used in an Elf32_Versym field.
*/
#define VER_NDX_LOCAL 0
#define VER_NDX_GLOBAL 1
#define VER_NDX_GIVEN 2
/*
* These constants are used for Elf32_Verneed struct's version number.
*/
#define VER_NEED_NONE 0
#define VER_NEED_CURRENT 1
/*
* These constants are used for Elf32_Vernaux struct's vna_other.
*/
#define VER_NEED_HIDDEN VER_NDX_HIDDEN
#define VER_NEED_IDX(x) VER_NDX(x)
/* index */
#define VER_NDX_HIDDEN 0x8000
#define VER_NDX(x) ((x) & ~VER_NDX_HIDDEN)
/*
* GNU Extension hiding symbol
*/
#define VERSYM_HIDDEN 0x8000
#define VERSYM_VERSION 0x7fff
#define ELF_VER_CHR '@'
/*
* These are current size independent.
*/
typedef struct {
Elf32_Half vd_version; /* version number of structure */
Elf32_Half vd_flags; /* flags (VER_FLG_*) */
Elf32_Half vd_ndx; /* version index */
Elf32_Half vd_cnt; /* number of verdaux entries */
Elf32_Word vd_hash; /* hash of name */
Elf32_Word vd_aux; /* offset to verdaux entries */
Elf32_Word vd_next; /* offset to next verdef */
} Elf32_Verdef;
typedef Elf32_Verdef Elf64_Verdef;
typedef struct {
Elf32_Word vda_name; /* string table offset of name */
Elf32_Word vda_next; /* offset to verdaux */
} Elf32_Verdaux;
typedef Elf32_Verdaux Elf64_Verdaux;
typedef struct {
Elf32_Half vn_version; /* version number of structure */
Elf32_Half vn_cnt; /* number of vernaux entries */
Elf32_Word vn_file; /* string table offset of library name*/
Elf32_Word vn_aux; /* offset to vernaux entries */
Elf32_Word vn_next; /* offset to next verneed */
} Elf32_Verneed;
typedef Elf32_Verneed Elf64_Verneed;
typedef struct {
Elf32_Word vna_hash; /* Hash of dependency name */
Elf32_Half vna_flags; /* flags (VER_FLG_*) */
Elf32_Half vna_other; /* unused */
Elf32_Word vna_name; /* string table offset to version name*/
Elf32_Word vna_next; /* offset to next vernaux */
} Elf32_Vernaux;
typedef Elf32_Vernaux Elf64_Vernaux;
typedef struct {
Elf32_Half vs_vers;
} Elf32_Versym;
typedef Elf32_Versym Elf64_Versym;
#ifdef _KERNEL
/*
* Arbitrary limits to avoid DoS for excessive memory allocation.
*/
#define ELF_MAXPHNUM 128
#define ELF_MAXSHNUM 32768
#define ELF_MAXNOTESIZE 1024
#define ELF_AUX_ENTRIES 15 /* Max size of aux array passed to loader */
#define ELF32_NO_ADDR (~(Elf32_Addr)0) /* Indicates addr. not yet filled in */
#define ELF32_LINK_ADDR ((Elf32_Addr)-2) /* advises to use link address */
#define ELF64_NO_ADDR (~(Elf64_Addr)0) /* Indicates addr. not yet filled in */
#define ELF64_LINK_ADDR ((Elf64_Addr)-2) /* advises to use link address */
#if defined(ELFSIZE) && (ELFSIZE == 64)
#define ELF_NO_ADDR ELF64_NO_ADDR
#define ELF_LINK_ADDR ELF64_LINK_ADDR
#elif defined(ELFSIZE) && (ELFSIZE == 32)
#define ELF_NO_ADDR ELF32_NO_ADDR
#define ELF_LINK_ADDR ELF32_LINK_ADDR
#endif
#ifndef ELF32_EHDR_FLAGS_OK
#define ELF32_EHDR_FLAGS_OK(eh) 1
#endif
#ifndef ELF64_EHDR_FLAGS_OK
#define ELF64_EHDR_FLAGS_OK(eh) 1
#endif
#if defined(ELFSIZE) && (ELFSIZE == 64)
#define ELF_EHDR_FLAGS_OK(eh) ELF64_EHDR_FLAGS_OK(eh)
#else
#define ELF_EHDR_FLAGS_OK(eh) ELF32_EHDR_FLAGS_OK(eh)
#endif
#if defined(ELFSIZE)
struct elf_args {
Elf_Addr arg_entry; /* program entry point */
Elf_Addr arg_interp; /* Interpreter load address */
Elf_Addr arg_phaddr; /* program header address */
Elf_Addr arg_phentsize; /* Size of program header */
Elf_Addr arg_phnum; /* Number of program headers */
};
#endif
#ifdef _KERNEL_OPT
#include "opt_execfmt.h"
#endif
struct ps_strings;
struct coredump_iostate;
struct note_state;
struct exec_package;
#ifdef EXEC_ELF32
int exec_elf32_makecmds(struct lwp *, struct exec_package *);
int elf32_copyargs(struct lwp *, struct exec_package *,
struct ps_strings *, char **, void *);
int coredump_elf32(struct lwp *, struct coredump_iostate *);
void coredump_savenote_elf32(struct note_state *, unsigned int,
const char *, void *, size_t);
int elf32_check_header(Elf32_Ehdr *);
#endif
#ifdef EXEC_ELF64
int exec_elf64_makecmds(struct lwp *, struct exec_package *);
int elf64_copyargs(struct lwp *, struct exec_package *,
struct ps_strings *, char **, void *);
int coredump_elf64(struct lwp *, struct coredump_iostate *);
void coredump_savenote_elf64(struct note_state *, unsigned int,
const char *, void *, size_t);
int elf64_check_header(Elf64_Ehdr *);
#endif
#endif /* _KERNEL */
#endif /* !_SYS_EXEC_ELF_H_ */
