d38e24c285
* conf/i386-pc.rmk (pkglib_MODULES): Add aout.mod _bsd.mod and bsd.mod. (aout_mod_SOURCES): New variable. (aout_mod_CFLAGS): Likewise. (aout_mod_LDFLAGS): Likewise. (_bsd_mod_SOURCES): New variable. (_bsd_mod_CFLAGS): Likewise. (_bsd_mod_LDFLAGS): Likewise. (bsd_mod_SOURCES): New variable. (bsd_mod_CFLAGS): Likewise. (bsd_mod_LDFLAGS): Likewise. * include/grub/aout.h: New file. * include/grub/i386/loader.h (grub_unix_real_boot): New function. * include/grub/i386/bsd.h: New file. * include/grub/i386/pc/init.h (grub_get_mmap_entry): Use EXPORT_FUNC to make it public. * kern/elf.c (grub_elf32_load): Get the physical address after the hook function is called, so that it's possible to change it inside the hook. (grub_elf64_load): Likewise. (grub_elf_file): Don't close the file if elf header is not found. (grub_elf_close): Close the file if grub_elf_file fails (The new grub_elf_file won't close it). (grub_elf32_size): Use NESTED_FUNC_ATTR for nested function calcsize. (grub_elf64_size): Likewise. * kern/i386/loader.S (grub_unix_real_boot): New function. * loader/aout.c: New file. * loader/i386/bsd.c: New file. * loader/i386/bsd_normal.c: New file. * loader/i386/pc/multiboot.c (grub_multiboot): Handle a.out format. * loader/multiboot2.c (grub_multiboot2): Reset grub_errno so that it can test othe formats.
91 lines
3.4 KiB
C
91 lines
3.4 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/>.
|
|
*/
|
|
|
|
#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_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 independant 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)
|
|
|
|
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,
|
|
grub_addr_t load_addr, int load_size,
|
|
grub_addr_t bss_end_addr);
|
|
|
|
#endif /* ! GRUB_AOUT_HEADER */
|