diff options
Diffstat (limited to 'Userland/Libraries/LibELF/exec_elf.h')
| -rw-r--r-- | Userland/Libraries/LibELF/exec_elf.h | 792 |
1 files changed, 0 insertions, 792 deletions
diff --git a/Userland/Libraries/LibELF/exec_elf.h b/Userland/Libraries/LibELF/exec_elf.h deleted file mode 100644 index 45a0e9401f..0000000000 --- a/Userland/Libraries/LibELF/exec_elf.h +++ /dev/null @@ -1,792 +0,0 @@ -/* $OpenBSD: exec_elf.h,v 1.83 2019/01/22 23:23:18 jsg 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. - */ - -/* - * This is the ELF ABI header file - * formerly known as "elf_abi.h". - */ - -#ifndef _SYS_EXEC_ELF_H_ -#define _SYS_EXEC_ELF_H_ - -#include <AK/Types.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 Elf32_Lword; - -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 uint64_t Elf64_Lword; - -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 /* Gfx::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 elfhdr { - 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_PPC64 21 /* PowerPC 64 */ -#define EM_ARM 40 /* Advanced RISC Machines ARM */ -#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_X86_64 EM_AMD64 -#define EM_VAX 75 /* DEC VAX */ -#define EM_AARCH64 183 /* ARM 64-bit architecture (AArch64) */ - -/* Non-standard */ -#define EM_ALPHA_EXP 0x9026 /* DEC ALPHA */ -#define EM__LAST__ (EM_ALPHA_EXP + 1) - -#define EM_NUM 22 /* number of machine types */ - -/* Version */ -#define EV_NONE 0 /* Invalid */ -#define EV_CURRENT 1 /* Current */ -#define EV_NUM 2 /* number of versions */ - -/* Magic for e_phnum: get real value from sh_info of first section header */ -#define PN_XNUM 0xffff - -/* 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_XINDEX 0xffff /* Escape -- index stored elsewhere. */ -#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_INIT_ARRAY 14 /* pointers to init functions */ -#define SHT_FINI_ARRAY 15 /* pointers to termination functions */ -#define SHT_PREINIT_ARRAY 16 /* ptrs to funcs called before init */ -#define SHT_GROUP 17 /* defines a section group */ -#define SHT_SYMTAB_SHNDX 18 /* Section indexes (see SHN_XINDEX). */ -#define SHT_LOOS 0x60000000 /* reserved range for OS specific */ -#define SHT_SUNW_dof 0x6ffffff4 /* used by dtrace */ -#define SHT_GNU_LIBLIST 0x6ffffff7 /* libraries to be prelinked */ -#define SHT_SUNW_move 0x6ffffffa /* inf for partially init'ed symbols */ -#define SHT_SUNW_syminfo 0x6ffffffc /* ad symbol information */ -#define SHT_SUNW_verdef 0x6ffffffd /* symbol versioning inf */ -#define SHT_SUNW_verneed 0x6ffffffe /* symbol versioning req */ -#define SHT_SUNW_versym 0x6fffffff /* symbol versioning table */ -#define SHT_HIOS 0x6fffffff /* section header 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 */ - -#define SHT_GNU_HASH 0x6ffffff6 /* GNU-style hash table section */ - -/* Section names */ -#define ELF_BSS ".bss" /* uninitialized data */ -#define ELF_DATA ".data" /* initialized data */ -#define ELF_CTF ".SUNW_ctf" /* CTF 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 */ -#define ELF_OPENBSDRANDOMDATA ".openbsd.randomdata" /* constant randomdata */ - -/* Section Attribute Flags - sh_flags */ -#define SHF_WRITE 0x1 /* Writable */ -#define SHF_ALLOC 0x2 /* occupies memory */ -#define SHF_EXECINSTR 0x4 /* executable */ -#define SHF_MERGE 0x10 /* may be merged */ -#define SHF_STRINGS 0x20 /* contains strings */ -#define SHF_INFO_LINK 0x40 /* sh_info holds section index */ -#define SHF_LINK_ORDER 0x80 /* ordering requirements */ -#define SHF_OS_NONCONFORMING 0x100 /* OS-specific processing required */ -#define SHF_GROUP 0x200 /* member of section group */ -#define SHF_TLS 0x400 /* thread local storage */ -#define SHF_COMPRESSED 0x800 /* contains compressed data */ -#define SHF_MASKOS 0x0ff00000 /* OS-specific semantics */ -#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 */ - -/* Extract symbol visibility - st_other */ -#define ELF_ST_VISIBILITY(v) ((v)&0x3) -#define ELF32_ST_VISIBILITY ELF_ST_VISIBILITY -#define ELF64_ST_VISIBILITY ELF_ST_VISIBILITY - -#define STV_DEFAULT 0 /* Visibility set by binding type */ -#define STV_INTERNAL 1 /* OS specific version of STV_HIDDEN */ -#define STV_HIDDEN 2 /* can only be seen inside own .so */ -#define STV_PROTECTED 3 /* HIDDEN inside, DEFAULT outside */ - -/* 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-2.17/include/elf/mips.h for details). - */ -# undef ELF64_R_SYM -# undef ELF64_R_TYPE -# undef ELF64_R_INFO -# define ELF64_R_TYPE(info) ((uint64_t)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_GNU_EH_FRAME 0x6474e550 /* Exception handling info */ -#define PT_GNU_RELRO 0x6474e552 /* Read-only after relocation */ -#define PT_GNU_STACK 0x6474e551 /* Stack permissions info */ - -#define PT_OPENBSD_RANDOMIZE 0x65a3dbe6 /* fill with random data */ -#define PT_OPENBSD_WXNEEDED 0x65a3dbe7 /* program performs W^X violations */ -#define PT_OPENBSD_BOOTDATA 0x65a41be6 /* section for boot arguments */ - -/* 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_INIT_ARRAY 25 /* address of array of init func */ -#define DT_FINI_ARRAY 26 /* address of array of term func */ -#define DT_INIT_ARRAYSZ 27 /* size of array of init func */ -#define DT_FINI_ARRAYSZ 28 /* size of array of term func */ -#define DT_RUNPATH 29 /* strtab offset of lib search path */ -#define DT_FLAGS 30 /* Set of DF_* flags */ -#define DT_ENCODING 31 /* further DT_* follow encoding rules */ -#define DT_PREINIT_ARRAY 32 /* address of array of preinit func */ -#define DT_PREINIT_ARRAYSZ 33 /* size of array of preinit func */ -#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_GNU_HASH 0x6ffffef5 /* address of GNU hash table */ -#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 .dynamic entry */ -#define DF_ORIGIN 0x00000001 -#define DF_SYMBOLIC 0x00000002 -#define DF_TEXTREL 0x00000004 -#define DF_BIND_NOW 0x00000008 -#define DF_STATIC_TLS 0x00000010 - -/* 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 - -/* - * Note header - */ -typedef struct { - Elf32_Word n_namesz; - Elf32_Word n_descsz; - Elf32_Word n_type; -} Elf32_Nhdr; - -typedef struct { - Elf64_Half n_namesz; - Elf64_Half n_descsz; - Elf64_Half n_type; -} Elf64_Nhdr; - -/* - * 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; - -/* Values for n_type. */ -#define NT_PRSTATUS 1 /* Process status. */ -#define NT_FPREGSET 2 /* Floating point registers. */ -#define NT_PRPSINFO 3 /* Process state info. */ - -/* - * OpenBSD-specific core file information. - * - * OpenBSD ELF core files use notes to provide information about - * the process's state. The note name is "OpenBSD" for information - * that is global to the process, and "OpenBSD@nn", where "nn" is the - * thread ID of the thread that the information belongs to (such as - * register state). - * - * We use the following note identifiers: - * - * NT_OPENBSD_PROCINFO - * Note is a "elfcore_procinfo" structure. - * NT_OPENBSD_AUXV - * Note is a a bunch of Auxiliary Vectors, terminated by - * an AT_NULL entry. - * NT_OPENBSD_REGS - * Note is a "reg" structure. - * NT_OPENBSD_FPREGS - * Note is a "fpreg" structure. - * - * Please try to keep the members of the "elfcore_procinfo" structure - * nicely aligned, and if you add elements, add them to the end and - * bump the version. - */ - -#define NT_OPENBSD_PROCINFO 10 -#define NT_OPENBSD_AUXV 11 - -#define NT_OPENBSD_REGS 20 -#define NT_OPENBSD_FPREGS 21 -#define NT_OPENBSD_XFPREGS 22 -#define NT_OPENBSD_WCOOKIE 23 - -struct elfcore_procinfo { - /* Version 1 fields start here. */ - uint32_t cpi_version; /* netbsd_elfcore_procinfo version */ -#define ELFCORE_PROCINFO_VERSION 1 - uint32_t cpi_cpisize; /* sizeof(netbsd_elfcore_procinfo) */ - uint32_t cpi_signo; /* killing signal */ - uint32_t cpi_sigcode; /* signal code */ - uint32_t cpi_sigpend; /* pending signals */ - uint32_t cpi_sigmask; /* blocked signals */ - uint32_t cpi_sigignore; /* ignored signals */ - uint32_t cpi_sigcatch; /* signals being caught by user */ - 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 */ - int8_t cpi_name[32]; /* copy of pr->ps_comm */ -}; - -/* - * XXX - these _KERNEL items aren't part of the ABI! - */ -#if defined(_KERNEL) || defined(_DYN_LOADER) - -# define ELF32_NO_ADDR ((uint32_t)~0) /* Indicates addr. not yet filled in */ - -typedef struct { - Elf32_Sword au_id; /* 32-bit id */ - Elf32_Word au_v; /* 32-bit value */ -} Aux32Info; - -# define ELF64_NO_ADDR ((uint64_t)~0) /* Indicates addr. not yet filled in */ - -typedef struct { - Elf64_Shalf au_id; /* 32-bit id */ - Elf64_Xword au_v; /* 64-bit value */ -} Aux64Info; - -enum AuxID { - AUX_null = 0, - AUX_ignore = 1, - AUX_execfd = 2, - AUX_phdr = 3, /* &phdr[0] */ - AUX_phent = 4, /* sizeof(phdr[0]) */ - AUX_phnum = 5, /* # phdr entries */ - AUX_pagesz = 6, /* PAGESIZE */ - AUX_base = 7, /* ld.so base addr */ - AUX_flags = 8, /* processor flags */ - AUX_entry = 9, /* a.out entry */ - AUX_sun_uid = 2000, /* euid */ - AUX_sun_ruid = 2001, /* ruid */ - AUX_sun_gid = 2002, /* egid */ - AUX_sun_rgid = 2003 /* rgid */ -}; - -struct elf_args { - u_long arg_entry; /* program entry point */ - u_long arg_interp; /* Interpreter load address */ - u_long arg_phaddr; /* program header address */ - u_long arg_phentsize; /* Gfx::Size of program header */ - u_long arg_phnum; /* Number of program headers */ -}; - -#endif - -#if !defined(ELFSIZE) && defined(ARCH_ELFSIZE) -# define ELFSIZE ARCH_ELFSIZE -#endif - -#if defined(ELFSIZE) -# define CONCAT(x, y) __CONCAT(x, y) -# define ELFNAME(x) CONCAT(elf, CONCAT(ELFSIZE, CONCAT(_, x))) -# 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_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 - -# define ELF_NO_ADDR ELF32_NO_ADDR -# 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_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 - -# define ELF_NO_ADDR ELF64_NO_ADDR -# define AuxInfo Aux64Info -#endif - -#define ELF_TARG_VER 1 /* The ver for which this code is intended */ - -/* Relocation types */ -#define R_386_NONE 0 -#define R_386_32 1 /* Symbol + Addend */ -#define R_386_PC32 2 /* Symbol + Addend - Section offset */ -#define R_386_GOT32 3 /* Used by build-time linker to create GOT entry */ -#define R_386_PLT32 4 /* Used by build-time linker to create PLT entry */ -#define R_386_COPY 5 /* https://docs.oracle.com/cd/E23824_01/html/819-0690/chapter4-10454.html#chapter4-84604 */ -#define R_386_GLOB_DAT 6 /* Relation b/w GOT entry and symbol */ -#define R_386_JMP_SLOT 7 /* Fixed up by dynamic loader */ -#define R_386_RELATIVE 8 /* Base address + Addned */ -#define R_386_TLS_TPOFF 14 /* Negative offset into the static TLS storage */ -#define R_386_TLS_TPOFF32 37 - -#endif /* _SYS_EXEC_ELF_H_ */ |