1 files changed, 124 insertions, 0 deletions
diff --git a/include/grub/macho.h b/include/grub/macho.h
new file mode 100644
index 0000000..8214583
--- /dev/null
+++ b/include/grub/macho.h
@@ -0,0 +1,124 @@
+/*
+ *  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_MACHO_H
+#define GRUB_MACHO_H 1
+#include <grub/types.h>
+
+/* Multi-architecture header. Always in big-endian. */
+struct grub_macho_fat_header
+{
+  grub_uint32_t magic;
+  grub_uint32_t nfat_arch;
+} __attribute__ ((packed));
+#define GRUB_MACHO_FAT_MAGIC 0xcafebabe
+
+typedef grub_uint32_t grub_macho_cpu_type_t;
+typedef grub_uint32_t grub_macho_cpu_subtype_t;
+
+/* Architecture descriptor. Always in big-endian. */
+struct grub_macho_fat_arch
+{
+  grub_macho_cpu_type_t cputype;
+  grub_macho_cpu_subtype_t cpusubtype;
+  grub_uint32_t offset;
+  grub_uint32_t size;
+  grub_uint32_t align;
+} __attribute__ ((packed));
+
+/* File header for 32-bit. Always in native-endian. */
+struct grub_macho_header32
+{
+#define GRUB_MACHO_MAGIC32 0xfeedface
+  grub_uint32_t magic;
+  grub_macho_cpu_type_t cputype;
+  grub_macho_cpu_subtype_t cpusubtype;
+  grub_uint32_t filetype;
+  grub_uint32_t ncmds;
+  grub_uint32_t sizeofcmds;
+  grub_uint32_t flags;
+} __attribute__ ((packed));
+
+/* File header for 64-bit. Always in native-endian. */
+struct grub_macho_header64
+{
+#define GRUB_MACHO_MAGIC64 0xfeedfacf
+  grub_uint32_t magic;
+  grub_macho_cpu_type_t cputype;
+  grub_macho_cpu_subtype_t cpusubtype;
+  grub_uint32_t filetype;
+  grub_uint32_t ncmds;
+  grub_uint32_t sizeofcmds;
+  grub_uint32_t flags;
+  grub_uint32_t reserved;
+} __attribute__ ((packed));
+
+/* Convenience union. What do we need to load to identify the file type. */
+union grub_macho_filestart
+{
+  struct grub_macho_fat_header fat;
+  struct grub_macho_header32 thin32;
+  struct grub_macho_header64 thin64;
+} __attribute__ ((packed));
+
+/* Common header of Mach-O commands. */
+struct grub_macho_cmd
+{
+  grub_uint32_t cmd;
+  grub_uint32_t cmdsize;
+} __attribute__ ((packed));
+
+typedef grub_uint32_t grub_macho_vmprot_t;
+
+/* 32-bit segment command. */
+struct grub_macho_segment32
+{
+#define GRUB_MACHO_CMD_SEGMENT32  1
+  grub_uint32_t cmd;
+  grub_uint32_t cmdsize;
+  grub_uint8_t segname[16];
+  grub_uint32_t vmaddr;
+  grub_uint32_t vmsize;
+  grub_uint32_t fileoff;
+  grub_uint32_t filesize;
+  grub_macho_vmprot_t maxprot;
+  grub_macho_vmprot_t initprot;
+  grub_uint32_t nsects;
+  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