i386-elf.h revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2001,2002 Free Software Foundation, Inc.
*
* 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 ELFOSABI_FREEBSD 9
obviously illegal against the ELF
standard.) */
#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
}
#define BOOTABLE_I386_ELF(h) \
/* section table - ? */
typedef struct
{
}
/* symbol table - page 4-25, figure 4-15 */
typedef struct
{
unsigned char st_info;
unsigned char st_other;
}
/* symbol type and binding attributes - page 4-26 */
#define ELF32_ST_BIND(i) ((i) >> 4)
#define ELF32_ST_TYPE(i) ((i) & 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
/* program header - page 5-2, figure 5-1 */
typedef struct
{
}
/* 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
{
union
{
}
d_un;
}
/* 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