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Diffstat (limited to 'include/elf-internal.h')
-rwxr-xr-x | include/elf-internal.h | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/include/elf-internal.h b/include/elf-internal.h new file mode 100755 index 0000000..bf51339 --- /dev/null +++ b/include/elf-internal.h @@ -0,0 +1,98 @@ +/* ELF support for BFD. + Copyright (C) 1991 Free Software Foundation, Inc. + + Written by Fred Fish @ Cygnus Support, from information published + in "UNIX System V Release 4, Programmers Guide: ANSI C and + Programming Support Tools". + +This file is part of BFD, the Binary File Descriptor library. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + + +/* This file is part of ELF support for BFD, and contains the portions + that describe how ELF is represented internally in the BFD library. + I.E. it describes the in-memory representation of ELF. It requires + the elf-common.h file which contains the portions that are common to + both the internal and external representations. */ + +/* Types used by various structures, functions, etc. */ + +typedef unsigned long Elf_Addr; /* Unsigned program address */ +typedef unsigned long Elf_Off; /* Unsigned file offset */ +typedef long Elf_Sword; /* Signed large integer */ +typedef unsigned long Elf_Word; /* Unsigned large integer */ +typedef unsigned short Elf_Half; /* Unsigned medium integer */ +typedef unsigned char Elf_Char; /* Unsigned tiny integer */ + +/* ELF Header */ + +#define EI_NIDENT 16 /* Size of e_ident[] */ + +typedef struct { + unsigned char e_ident[EI_NIDENT]; /* ELF "magic number" */ + Elf_Half e_type; /* Identifies object file type */ + Elf_Half e_machine; /* Specifies required architecture */ + Elf_Word e_version; /* Identifies object file version */ + Elf_Addr e_entry; /* Entry point virtual address */ + Elf_Off e_phoff; /* Program header table file offset */ + Elf_Off e_shoff; /* Section header table file offset */ + Elf_Word e_flags; /* Processor-specific flags */ + Elf_Half e_ehsize; /* ELF header size in bytes */ + Elf_Half e_phentsize; /* Program header table entry size */ + Elf_Half e_phnum; /* Program header table entry count */ + Elf_Half e_shentsize; /* Section header table entry size */ + Elf_Half e_shnum; /* Section header table entry count */ + Elf_Half e_shstrndx; /* Section header string table index */ +} Elf_Internal_Ehdr; + +/* Program header */ + +typedef struct { + Elf_Word p_type; /* Identifies program segment type */ + Elf_Off p_offset; /* Segment file offset */ + Elf_Addr p_vaddr; /* Segment virtual address */ + Elf_Addr p_paddr; /* Segment physical address */ + Elf_Word p_filesz; /* Segment size in file */ + Elf_Word p_memsz; /* Segment size in memory */ + Elf_Word p_flags; /* Segment flags */ + Elf_Word p_align; /* Segment alignment, file & memory */ +} Elf_Internal_Phdr; + +/* Section header */ + +typedef struct { + Elf_Word sh_name; /* Section name, index in string tbl */ + Elf_Word sh_type; /* Type of section */ + Elf_Word sh_flags; /* Miscellaneous section attributes */ + Elf_Addr sh_addr; /* Section virtual addr at execution */ + Elf_Off sh_offset; /* Section file offset */ + Elf_Word sh_size; /* Size of section in bytes */ + Elf_Word sh_link; /* Index of another section */ + Elf_Word sh_info; /* Additional section information */ + Elf_Word sh_addralign; /* Section alignment */ + Elf_Word sh_entsize; /* Entry size if section holds table */ +} Elf_Internal_Shdr; + +/* Symbol table entry */ + +typedef struct { + Elf_Word st_name; /* Symbol name, index in string tbl */ + Elf_Addr st_value; /* Value of the symbol */ + Elf_Word st_size; /* Associated symbol size */ + Elf_Char st_info; /* Type and binding attributes */ + Elf_Char st_other; /* No defined meaning, 0 */ + Elf_Half st_shndx; /* Associated section index */ +} Elf_Internal_Sym; |