grub/include/grub/aout.h
2010-08-17 19:03:22 +05:30

128 lines
5 KiB
C

/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2008 Free Software Foundation, Inc.
*
* GRUB 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 3 of the License, or
* (at your option) any later version.
*
* GRUB 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 GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
/*-
* Copyright (c) 1992, 1993
* The Regents of the University of California. 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, 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.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
*
* from: @(#)exec.h 8.1 (Berkeley) 6/11/93
* $FreeBSD$
*/
#ifndef GRUB_AOUT_HEADER
#define GRUB_AOUT_HEADER 1
#include <grub/types.h>
struct grub_aout32_header
{
grub_uint32_t a_midmag; /* htonl(flags<<26 | mid<<16 | magic) */
grub_uint32_t a_text; /* text segment size */
grub_uint32_t a_data; /* initialized data size */
grub_uint32_t a_bss; /* uninitialized data size */
grub_uint32_t a_syms; /* symbol table size */
grub_uint32_t a_entry; /* entry point */
grub_uint32_t a_trsize; /* text relocation size */
grub_uint32_t a_drsize; /* data relocation size */
};
struct grub_aout64_header
{
grub_uint32_t a_midmag; /* htonl(flags<<26 | mid<<16 | magic) */
grub_uint64_t a_text; /* text segment size */
grub_uint64_t a_data; /* initialized data size */
grub_uint64_t a_bss; /* uninitialized data size */
grub_uint64_t a_syms; /* symbol table size */
grub_uint64_t a_entry; /* entry point */
grub_uint64_t a_trsize; /* text relocation size */
grub_uint64_t a_drsize; /* data relocation size */
};
union grub_aout_header
{
struct grub_aout32_header aout32;
struct grub_aout64_header aout64;
};
#define AOUT_TYPE_NONE 0
#define AOUT_TYPE_AOUT32 1
#define AOUT_TYPE_AOUT64 6
#define AOUT32_OMAGIC 0x107 /* 0407 old impure format */
#define AOUT32_NMAGIC 0x108 /* 0410 read-only text */
#define AOUT32_ZMAGIC 0x10b /* 0413 demand load format */
#define AOUT32_QMAGIC 0xcc /* 0314 "compact" demand load format */
#define AOUT64_OMAGIC 0x1001
#define AOUT64_ZMAGIC 0x1002
#define AOUT64_NMAGIC 0x1003
#define AOUT_MID_ZERO 0 /* unknown - implementation dependent */
#define AOUT_MID_SUN010 1 /* sun 68010/68020 binary */
#define AOUT_MID_SUN020 2 /* sun 68020-only binary */
#define AOUT_MID_I386 134 /* i386 BSD binary */
#define AOUT_MID_SPARC 138 /* sparc */
#define AOUT_MID_HP200 200 /* hp200 (68010) BSD binary */
#define AOUT_MID_SUN 0x103
#define AOUT_MID_HP300 300 /* hp300 (68020+68881) BSD binary */
#define AOUT_MID_HPUX 0x20C /* hp200/300 HP-UX binary */
#define AOUT_MID_HPUX800 0x20B /* hp800 HP-UX binary */
#define AOUT_FLAG_PIC 0x10 /* contains position independent code */
#define AOUT_FLAG_DYNAMIC 0x20 /* contains run-time link-edit info */
#define AOUT_FLAG_DPMASK 0x30 /* mask for the above */
#define AOUT_GETMAGIC(header) ((header).a_midmag & 0xffff)
#define AOUT_GETMID(header) ((header).a_midmag >> 16) & 0x03ff)
#define AOUT_GETFLAG(header) ((header).a_midmag >> 26) & 0x3f)
#ifndef GRUB_UTIL
int EXPORT_FUNC(grub_aout_get_type) (union grub_aout_header *header);
grub_err_t EXPORT_FUNC(grub_aout_load) (grub_file_t file, int offset,
void *load_addr, int load_size,
grub_size_t bss_size);
#endif
#endif /* ! GRUB_AOUT_HEADER */