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crashing snow64

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This commit is contained in:
phcoder 2009-09-02 02:52:10 +02:00
parent 965632c10f
commit 72db7c22f3
8 changed files with 214 additions and 257 deletions
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35
include/grub/i386/macho.h
View file

@ -1,3 +1,26 @@
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2009 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_CPU_MACHO_H
#define GRUB_CPU_MACHO_H 1
#include <grub/macho.h>
#define GRUB_MACHO_CPUTYPE_IS_HOST32(x) ((x)==0x00000007)
#define GRUB_MACHO_CPUTYPE_IS_HOST64(x) ((x)==0x01000007)
@ -9,3 +32,15 @@ struct grub_macho_thread32
grub_uint32_t entry_point;
grub_uint8_t unknown2[20];
} __attribute__ ((packed));
struct grub_macho_thread64
{
grub_uint32_t cmd;
grub_uint32_t cmdsize;
grub_uint8_t unknown1[0x88];
grub_uint64_t entry_point;
grub_uint8_t unknown2[0x20];
} __attribute__ ((packed));
#endif

17
include/grub/macho.h
View file

@ -102,6 +102,23 @@ struct grub_macho_segment32
grub_uint32_t flags;
} __attribute__ ((packed));
/* 64-bit segment command. */
struct grub_macho_segment64
{
#define GRUB_MACHO_CMD_SEGMENT64 0x19
grub_uint32_t cmd;
grub_uint32_t cmdsize;
grub_uint8_t segname[16];
grub_uint64_t vmaddr;
grub_uint64_t vmsize;
grub_uint64_t fileoff;
grub_uint64_t filesize;
grub_macho_vmprot_t maxprot;
grub_macho_vmprot_t initprot;
grub_uint32_t nsects;
grub_uint32_t flags;
} __attribute__ ((packed));
#define GRUB_MACHO_CMD_THREAD 5
#endif

23
include/grub/machoload.h
View file

@ -46,17 +46,28 @@ grub_macho_t grub_macho_file (grub_file_t);
grub_err_t grub_macho_close (grub_macho_t);
int grub_macho_contains_macho32 (grub_macho_t);
grub_err_t grub_macho32_size (grub_macho_t macho, grub_addr_t *segments_start,
grub_addr_t *segments_end, int flags);
grub_uint32_t grub_macho32_get_entry_point (grub_macho_t macho);
grub_err_t grub_macho_size32 (grub_macho_t macho, grub_uint32_t *segments_start,
grub_uint32_t *segments_end, int flags);
grub_uint32_t grub_macho_get_entry_point32 (grub_macho_t macho);
int grub_macho_contains_macho64 (grub_macho_t);
grub_err_t grub_macho_size64 (grub_macho_t macho, grub_uint64_t *segments_start,
grub_uint64_t *segments_end, int flags);
grub_uint64_t grub_macho_get_entry_point64 (grub_macho_t macho);
/* Ignore BSS segments when loading. */
#define GRUB_MACHO_NOBSS 0x1
grub_err_t grub_macho32_load (grub_macho_t macho, char *offset, int flags);
grub_err_t grub_macho_load32 (grub_macho_t macho, char *offset, int flags);
grub_err_t grub_macho_load64 (grub_macho_t macho, char *offset, int flags);
/* Like filesize and file_read but take only 32-bit part
for current architecture. */
grub_size_t grub_macho32_filesize (grub_macho_t macho);
grub_err_t grub_macho32_readfile (grub_macho_t macho, void *dest);
grub_size_t grub_macho_filesize32 (grub_macho_t macho);
grub_err_t grub_macho_readfile32 (grub_macho_t macho, void *dest);
grub_size_t grub_macho_filesize64 (grub_macho_t macho);
grub_err_t grub_macho_readfile64 (grub_macho_t macho, void *dest);
void grub_macho_parse32 (grub_macho_t macho);
void grub_macho_parse64 (grub_macho_t macho);
#endif /* ! GRUB_MACHOLOAD_HEADER */