128 lines
5.5 KiB
C
128 lines
5.5 KiB
C
/*
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* Copyright (c) 2006, Swedish Institute of Computer Science
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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#ifndef ELF32_H
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#define ELF32_H
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/*
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* ELF definitions common to all 32-bit architectures.
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*/
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#define EI_NIDENT 16
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typedef unsigned long elf32_word;
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typedef signed long elf32_sword;
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typedef unsigned short elf32_half;
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typedef unsigned long elf32_off;
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typedef unsigned long elf32_addr;
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struct elf32_ehdr {
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unsigned char e_ident[EI_NIDENT]; /* ident bytes */
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elf32_half e_type; /* file type */
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elf32_half e_machine; /* target machine */
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elf32_word e_version; /* file version */
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elf32_addr e_entry; /* start address */
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elf32_off e_phoff; /* phdr file offset */
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elf32_off e_shoff; /* shdr file offset */
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elf32_word e_flags; /* file flags */
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elf32_half e_ehsize; /* sizeof ehdr */
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elf32_half e_phentsize; /* sizeof phdr */
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elf32_half e_phnum; /* number phdrs */
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elf32_half e_shentsize; /* sizeof shdr */
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elf32_half e_shnum; /* number shdrs */
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elf32_half e_shstrndx; /* shdr string index */
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};
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/* Values for e_type. */
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#define ET_NONE 0 /* Unknown type. */
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#define ET_REL 1 /* Relocatable. */
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#define ET_EXEC 2 /* Executable. */
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#define ET_DYN 3 /* Shared object. */
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#define ET_CORE 4 /* Core file. */
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struct elf32_shdr {
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elf32_word sh_name; /* section name */
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elf32_word sh_type; /* SHT_... */
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elf32_word sh_flags; /* SHF_... */
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elf32_addr sh_addr; /* virtual address */
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elf32_off sh_offset; /* file offset */
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elf32_word sh_size; /* section size */
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elf32_word sh_link; /* misc info */
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elf32_word sh_info; /* misc info */
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elf32_word sh_addralign; /* memory alignment */
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elf32_word sh_entsize; /* entry size if table */
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};
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/* sh_type */
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#define SHT_NULL 0 /* inactive */
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#define SHT_PROGBITS 1 /* program defined information */
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#define SHT_SYMTAB 2 /* symbol table section */
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#define SHT_STRTAB 3 /* string table section */
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#define SHT_RELA 4 /* relocation section with addends*/
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#define SHT_HASH 5 /* symbol hash table section */
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#define SHT_DYNAMIC 6 /* dynamic section */
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#define SHT_NOTE 7 /* note section */
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#define SHT_NOBITS 8 /* no space section */
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#define SHT_REL 9 /* relation section without addends */
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#define SHT_SHLIB 10 /* reserved - purpose unknown */
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#define SHT_DYNSYM 11 /* dynamic symbol table section */
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#define SHT_LOPROC 0x70000000 /* reserved range for processor */
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#define SHT_HIPROC 0x7fffffff /* specific section header types */
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#define SHT_LOUSER 0x80000000 /* reserved range for application */
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#define SHT_HIUSER 0xffffffff /* specific indexes */
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struct elf32_rel {
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elf32_addr r_offset; /* Location to be relocated. */
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elf32_word r_info; /* Relocation type and symbol index. */
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};
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struct elf32_rela {
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elf32_addr r_offset; /* Location to be relocated. */
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elf32_word r_info; /* Relocation type and symbol index. */
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elf32_sword r_addend; /* Addend. */
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};
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struct elf32_sym {
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elf32_word st_name; /* String table index of name. */
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elf32_addr st_value; /* Symbol value. */
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elf32_word st_size; /* Size of associated object. */
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unsigned char st_info; /* Type and binding information. */
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unsigned char st_other; /* Reserved (not used). */
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elf32_half st_shndx; /* Section index of symbol. */
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};
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#define ELF32_R_SYM(info) ((info) >> 8)
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#define ELF32_R_TYPE(info) ((unsigned char)(info))
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#define ELF_MAGIC_HEADER "\177ELF\001\001\001"
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#define ELF_MAGIC_HEADER_SIZE 7
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#endif /* ELF32_H */
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