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Diffstat (limited to 'ext/fileinfo/libmagic/readelf.h')
| -rw-r--r-- | ext/fileinfo/libmagic/readelf.h | 236 |
1 files changed, 236 insertions, 0 deletions
diff --git a/ext/fileinfo/libmagic/readelf.h b/ext/fileinfo/libmagic/readelf.h new file mode 100644 index 0000000000..2848f6dede --- /dev/null +++ b/ext/fileinfo/libmagic/readelf.h @@ -0,0 +1,236 @@ +/* + * Copyright (c) Christos Zoulas 2003. + * 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 immediately at the beginning of the file, without modification, + * 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 AUTHOR 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 AUTHOR 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. + */ +/* + * @(#)Id: readelf.h,v 1.9 2002/05/16 18:45:56 christos Exp + * + * Provide elf data structures for non-elf machines, allowing file + * non-elf hosts to determine if an elf binary is stripped. + * Note: cobbled from the linux header file, with modifications + */ +#ifndef __fake_elf_h__ +#define __fake_elf_h__ + +#if HAVE_STDINT_H +#include <stdint.h> +#endif + +typedef uint32_t Elf32_Addr; +typedef uint32_t Elf32_Off; +typedef uint16_t Elf32_Half; +typedef uint32_t Elf32_Word; +typedef uint8_t Elf32_Char; + +#if SIZEOF_LONG_LONG != 8 +#define USE_ARRAY_FOR_64BIT_TYPES +typedef uint32_t Elf64_Addr[2]; +typedef uint32_t Elf64_Off[2]; +typedef uint32_t Elf64_Xword[2]; +#else +#undef USE_ARRAY_FOR_64BIT_TYPES +typedef uint64_t Elf64_Addr; +typedef uint64_t Elf64_Off; +typedef uint64_t Elf64_Xword; +#endif +typedef uint16_t Elf64_Half; +typedef uint32_t Elf64_Word; +typedef uint8_t Elf64_Char; + +#define EI_NIDENT 16 + +typedef struct { + Elf32_Char e_ident[EI_NIDENT]; + Elf32_Half e_type; + Elf32_Half e_machine; + Elf32_Word e_version; + Elf32_Addr e_entry; /* Entry point */ + Elf32_Off e_phoff; + Elf32_Off e_shoff; + Elf32_Word e_flags; + Elf32_Half e_ehsize; + Elf32_Half e_phentsize; + Elf32_Half e_phnum; + Elf32_Half e_shentsize; + Elf32_Half e_shnum; + Elf32_Half e_shstrndx; +} Elf32_Ehdr; + +typedef struct { + Elf64_Char e_ident[EI_NIDENT]; + Elf64_Half e_type; + Elf64_Half e_machine; + Elf64_Word e_version; + Elf64_Addr e_entry; /* Entry point */ + Elf64_Off e_phoff; + Elf64_Off e_shoff; + Elf64_Word e_flags; + Elf64_Half e_ehsize; + Elf64_Half e_phentsize; + Elf64_Half e_phnum; + Elf64_Half e_shentsize; + Elf64_Half e_shnum; + Elf64_Half e_shstrndx; +} Elf64_Ehdr; + +/* e_type */ +#define ET_REL 1 +#define ET_EXEC 2 +#define ET_DYN 3 +#define ET_CORE 4 + +/* sh_type */ +#define SHT_SYMTAB 2 +#define SHT_NOTE 7 +#define SHT_DYNSYM 11 + +/* elf type */ +#define ELFDATANONE 0 /* e_ident[EI_DATA] */ +#define ELFDATA2LSB 1 +#define ELFDATA2MSB 2 + +/* elf class */ +#define ELFCLASSNONE 0 +#define ELFCLASS32 1 +#define ELFCLASS64 2 + +/* magic number */ +#define EI_MAG0 0 /* e_ident[] indexes */ +#define EI_MAG1 1 +#define EI_MAG2 2 +#define EI_MAG3 3 +#define EI_CLASS 4 +#define EI_DATA 5 +#define EI_VERSION 6 +#define EI_PAD 7 + +#define ELFMAG0 0x7f /* EI_MAG */ +#define ELFMAG1 'E' +#define ELFMAG2 'L' +#define ELFMAG3 'F' +#define ELFMAG "\177ELF" + +#define OLFMAG1 'O' +#define OLFMAG "\177OLF" + +typedef struct { + Elf32_Word p_type; + Elf32_Off p_offset; + Elf32_Addr p_vaddr; + Elf32_Addr p_paddr; + Elf32_Word p_filesz; + Elf32_Word p_memsz; + Elf32_Word p_flags; + Elf32_Word p_align; +} Elf32_Phdr; + +typedef struct { + Elf64_Word p_type; + Elf64_Word p_flags; + Elf64_Off p_offset; + Elf64_Addr p_vaddr; + Elf64_Addr p_paddr; + Elf64_Xword p_filesz; + Elf64_Xword p_memsz; + Elf64_Xword p_align; +} Elf64_Phdr; + +#define PT_NULL 0 /* p_type */ +#define PT_LOAD 1 +#define PT_DYNAMIC 2 +#define PT_INTERP 3 +#define PT_NOTE 4 +#define PT_SHLIB 5 +#define PT_PHDR 6 +#define PT_NUM 7 + +typedef struct { + Elf32_Word sh_name; + Elf32_Word sh_type; + Elf32_Word sh_flags; + Elf32_Addr sh_addr; + Elf32_Off sh_offset; + Elf32_Word sh_size; + Elf32_Word sh_link; + Elf32_Word sh_info; + Elf32_Word sh_addralign; + Elf32_Word sh_entsize; +} Elf32_Shdr; + +typedef struct { + Elf64_Word sh_name; + Elf64_Word sh_type; + Elf64_Off sh_flags; + Elf64_Addr sh_addr; + Elf64_Off sh_offset; + Elf64_Off sh_size; + Elf64_Word sh_link; + Elf64_Word sh_info; + Elf64_Off sh_addralign; + Elf64_Off sh_entsize; +} Elf64_Shdr; + +#define NT_NETBSD_CORE_PROCINFO 1 + +/* Note header in a PT_NOTE section */ +typedef struct elf_note { + Elf32_Word n_namesz; /* Name size */ + Elf32_Word n_descsz; /* Content size */ + Elf32_Word n_type; /* Content type */ +} Elf32_Nhdr; + +typedef struct { + Elf64_Word n_namesz; + Elf64_Word n_descsz; + Elf64_Word n_type; +} Elf64_Nhdr; + +/* Notes used in ET_CORE */ +#define NT_PRSTATUS 1 +#define NT_PRFPREG 2 +#define NT_PRPSINFO 3 +#define NT_PRXREG 4 +#define NT_TASKSTRUCT 4 +#define NT_PLATFORM 5 +#define NT_AUXV 6 + +/* Note types used in executables */ +/* NetBSD executables (name = "NetBSD") */ +#define NT_NETBSD_VERSION 1 +#define NT_NETBSD_EMULATION 2 +#define NT_FREEBSD_VERSION 1 +#define NT_OPENBSD_VERSION 1 +#define NT_DRAGONFLY_VERSION 1 +/* GNU executables (name = "GNU") */ +#define NT_GNU_VERSION 1 + +/* GNU OS tags */ +#define GNU_OS_LINUX 0 +#define GNU_OS_HURD 1 +#define GNU_OS_SOLARIS 2 +#define GNU_OS_KFREEBSD 3 +#define GNU_OS_KNETBSD 4 + +#endif |