diff options
Diffstat (limited to 'stage2/i386-elf.h')
| -rw-r--r-- | stage2/i386-elf.h | 237 |
1 files changed, 0 insertions, 237 deletions
diff --git a/stage2/i386-elf.h b/stage2/i386-elf.h deleted file mode 100644 index 7162e3d..0000000 --- a/stage2/i386-elf.h +++ /dev/null @@ -1,237 +0,0 @@ -/* - * GRUB -- GRand Unified Bootloader - * Copyright (C) 2001,2002 Free Software Foundation, Inc. - * - * 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. - */ - -/* 32-bit data types */ - -typedef unsigned long Elf32_Addr; -typedef unsigned short Elf32_Half; -typedef unsigned long Elf32_Off; -typedef signed long Elf32_Sword; -typedef unsigned long Elf32_Word; -/* "unsigned char" already exists */ - -/* ELF header */ -typedef struct -{ - -#define EI_NIDENT 16 - - /* first four characters are defined below */ -#define EI_MAG0 0 -#define ELFMAG0 0x7f -#define EI_MAG1 1 -#define ELFMAG1 'E' -#define EI_MAG2 2 -#define ELFMAG2 'L' -#define EI_MAG3 3 -#define ELFMAG3 'F' - -#define EI_CLASS 4 /* data sizes */ -#define ELFCLASS32 1 /* i386 -- up to 32-bit data sizes present */ - -#define EI_DATA 5 /* data type and ordering */ -#define ELFDATA2LSB 1 /* i386 -- LSB 2's complement */ - -#define EI_VERSION 6 /* version number. "e_version" must be the same */ -#define EV_CURRENT 1 /* current version number */ - -#define EI_OSABI 7 /* operating system/ABI indication */ -#define ELFOSABI_FREEBSD 9 - -#define EI_ABIVERSION 8 /* ABI version */ - -#define EI_PAD 9 /* from here in is just padding */ - -#define EI_BRAND 8 /* start of OS branding (This is - obviously illegal against the ELF - standard.) */ - - unsigned char e_ident[EI_NIDENT]; /* basic identification block */ - -#define ET_EXEC 2 /* we only care about executable types */ - Elf32_Half e_type; /* file types */ - -#define EM_386 3 /* i386 -- obviously use this one */ - Elf32_Half e_machine; /* machine types */ - Elf32_Word e_version; /* use same as "EI_VERSION" above */ - Elf32_Addr e_entry; /* entry point of the program */ - Elf32_Off e_phoff; /* program header table file offset */ - Elf32_Off e_shoff; /* section header table file offset */ - Elf32_Word e_flags; /* flags */ - Elf32_Half e_ehsize; /* elf header size in bytes */ - Elf32_Half e_phentsize; /* program header entry size */ - Elf32_Half e_phnum; /* number of entries in program header */ - Elf32_Half e_shentsize; /* section header entry size */ - Elf32_Half e_shnum; /* number of entries in section header */ - -#define SHN_UNDEF 0 -#define SHN_LORESERVE 0xff00 -#define SHN_LOPROC 0xff00 -#define SHN_HIPROC 0xff1f -#define SHN_ABS 0xfff1 -#define SHN_COMMON 0xfff2 -#define SHN_HIRESERVE 0xffff - Elf32_Half e_shstrndx; /* section header table index */ -} -Elf32_Ehdr; - - -#define BOOTABLE_I386_ELF(h) \ - ((h.e_ident[EI_MAG0] == ELFMAG0) & (h.e_ident[EI_MAG1] == ELFMAG1) \ - & (h.e_ident[EI_MAG2] == ELFMAG2) & (h.e_ident[EI_MAG3] == ELFMAG3) \ - & (h.e_ident[EI_CLASS] == ELFCLASS32) & (h.e_ident[EI_DATA] == ELFDATA2LSB) \ - & (h.e_ident[EI_VERSION] == EV_CURRENT) & (h.e_type == ET_EXEC) \ - & (h.e_machine == EM_386) & (h.e_version == EV_CURRENT)) - -/* section table - ? */ -typedef struct -{ - Elf32_Word sh_name; /* Section name (string tbl index) */ - Elf32_Word sh_type; /* Section type */ - Elf32_Word sh_flags; /* Section flags */ - Elf32_Addr sh_addr; /* Section virtual addr at execution */ - Elf32_Off sh_offset; /* Section file offset */ - Elf32_Word sh_size; /* Section size in bytes */ - Elf32_Word sh_link; /* Link to another section */ - Elf32_Word sh_info; /* Additional section information */ - Elf32_Word sh_addralign; /* Section alignment */ - Elf32_Word sh_entsize; /* Entry size if section holds table */ -} -Elf32_Shdr; - -/* symbol table - page 4-25, figure 4-15 */ -typedef struct -{ - Elf32_Word st_name; - Elf32_Addr st_value; - Elf32_Word st_size; - unsigned char st_info; - unsigned char st_other; - Elf32_Half st_shndx; -} -Elf32_Sym; - -/* symbol type and binding attributes - page 4-26 */ - -#define ELF32_ST_BIND(i) ((i) >> 4) -#define ELF32_ST_TYPE(i) ((i) & 0xf) -#define ELF32_ST_INFO(b,t) (((b)<<4)+((t)&0xf)) - -/* symbol binding - page 4-26, figure 4-16 */ - -#define STB_LOCAL 0 -#define STB_GLOBAL 1 -#define STB_WEAK 2 -#define STB_LOPROC 13 -#define STB_HIPROC 15 - -/* symbol types - page 4-28, figure 4-17 */ - -#define STT_NOTYPE 0 -#define STT_OBJECT 1 -#define STT_FUNC 2 -#define STT_SECTION 3 -#define STT_FILE 4 -#define STT_LOPROC 13 -#define STT_HIPROC 15 - - -/* Macros to split/combine relocation type and symbol page 4-32 */ - -#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)) - - -/* program header - page 5-2, figure 5-1 */ - -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; - -/* segment types - page 5-3, figure 5-2 */ - -#define PT_NULL 0 -#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_LOPROC 0x70000000 -#define PT_HIPROC 0x7fffffff - -/* segment permissions - page 5-6 */ - -#define PF_X 0x1 -#define PF_W 0x2 -#define PF_R 0x4 -#define PF_MASKPROC 0xf0000000 - - -/* dynamic structure - page 5-15, figure 5-9 */ - -typedef struct -{ - Elf32_Sword d_tag; - union - { - Elf32_Word d_val; - Elf32_Addr d_ptr; - } - d_un; -} -Elf32_Dyn; - -/* Dynamic array tags - page 5-16, figure 5-10. */ - -#define DT_NULL 0 -#define DT_NEEDED 1 -#define DT_PLTRELSZ 2 -#define DT_PLTGOT 3 -#define DT_HASH 4 -#define DT_STRTAB 5 -#define DT_SYMTAB 6 -#define DT_RELA 7 -#define DT_RELASZ 8 -#define DT_RELAENT 9 -#define DT_STRSZ 10 -#define DT_SYMENT 11 -#define DT_INIT 12 -#define DT_FINI 13 -#define DT_SONAME 14 -#define DT_RPATH 15 -#define DT_SYMBOLIC 16 -#define DT_REL 17 -#define DT_RELSZ 18 -#define DT_RELENT 19 -#define DT_PLTREL 20 -#define DT_DEBUG 21 -#define DT_TEXTREL 22 -#define DT_JMPREL 23 |