92 lines
3.4 KiB
C
92 lines
3.4 KiB
C
/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2008 Free Software Foundation, Inc.
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*
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* GRUB is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GRUB is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef GRUB_AOUT_HEADER
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#define GRUB_AOUT_HEADER 1
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#include <grub/types.h>
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struct grub_aout32_header
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{
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grub_uint32_t a_midmag; /* htonl(flags<<26 | mid<<16 | magic) */
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grub_uint32_t a_text; /* text segment size */
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grub_uint32_t a_data; /* initialized data size */
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grub_uint32_t a_bss; /* uninitialized data size */
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grub_uint32_t a_syms; /* symbol table size */
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grub_uint32_t a_entry; /* entry point */
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grub_uint32_t a_trsize; /* text relocation size */
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grub_uint32_t a_drsize; /* data relocation size */
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};
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struct grub_aout64_header
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{
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grub_uint32_t a_midmag; /* htonl(flags<<26 | mid<<16 | magic) */
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grub_uint64_t a_text; /* text segment size */
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grub_uint64_t a_data; /* initialized data size */
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grub_uint64_t a_bss; /* uninitialized data size */
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grub_uint64_t a_syms; /* symbol table size */
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grub_uint64_t a_entry; /* entry point */
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grub_uint64_t a_trsize; /* text relocation size */
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grub_uint64_t a_drsize; /* data relocation size */
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};
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union grub_aout_header
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{
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struct grub_aout32_header aout32;
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struct grub_aout64_header aout64;
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};
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#define AOUT_TYPE_NONE 0
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#define AOUT_TYPE_AOUT32 1
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#define AOUT_TYPE_AOUT64 6
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#define AOUT32_OMAGIC 0x107 /* 0407 old impure format */
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#define AOUT32_NMAGIC 0x108 /* 0410 read-only text */
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#define AOUT32_ZMAGIC 0x10b /* 0413 demand load format */
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#define AOUT32_QMAGIC 0xcc /* 0314 "compact" demand load format */
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#define AOUT64_OMAGIC 0x1001
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#define AOUT64_ZMAGIC 0x1002
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#define AOUT64_NMAGIC 0x1003
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#define AOUT_MID_ZERO 0 /* unknown - implementation dependent */
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#define AOUT_MID_SUN010 1 /* sun 68010/68020 binary */
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#define AOUT_MID_SUN020 2 /* sun 68020-only binary */
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#define AOUT_MID_I386 134 /* i386 BSD binary */
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#define AOUT_MID_SPARC 138 /* sparc */
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#define AOUT_MID_HP200 200 /* hp200 (68010) BSD binary */
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#define AOUT_MID_HP300 300 /* hp300 (68020+68881) BSD binary */
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#define AOUT_MID_HPUX 0x20C /* hp200/300 HP-UX binary */
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#define AOUT_MID_HPUX800 0x20B /* hp800 HP-UX binary */
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#define AOUT_FLAG_PIC 0x10 /* contains position independent code */
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#define AOUT_FLAG_DYNAMIC 0x20 /* contains run-time link-edit info */
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#define AOUT_FLAG_DPMASK 0x30 /* mask for the above */
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#define AOUT_GETMAGIC(header) ((header).a_midmag & 0xffff)
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#define AOUT_GETMID(header) ((header).a_midmag >> 16) & 0x03ff)
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#define AOUT_GETFLAG(header) ((header).a_midmag >> 26) & 0x3f)
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int EXPORT_FUNC(grub_aout_get_type) (union grub_aout_header *header);
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grub_err_t EXPORT_FUNC(grub_aout_load) (grub_file_t file, int offset,
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grub_addr_t load_addr, int load_size,
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grub_addr_t bss_end_addr);
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#endif /* ! GRUB_AOUT_HEADER */
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