flesh out more of mach-o support (disabled for now)

1 files changed, 65 insertions, 0 deletions

diff --git a/macho.h b/macho.h
new file mode 100644
index 0000000..936a100
--- /dev/null
+++ b/macho.h
@@ -0,0 +1,65 @@
+/*
+ * Copyright (c) 2005 Apple Computer, Inc. 
+ *
+ * This file describes the format of mach object files.
+ */
+
+#ifndef _MACHO_LOADER_H_
+#define _MACHO_LOADER_H_
+
+#include <stdint.h>
+
+typedef uint32_t cpu_type_t;
+typedef uint32_t cpu_subtype_t;
+
+/*
+ * Specifies the general attributes of a file.
+ * Appears at the beginning of object files.
+ */
+struct mach_header {
+	uint32_t      magic;
+	cpu_type_t    cputype;
+	cpu_subtype_t cpusubtype;
+	uint32_t      filetype;
+	uint32_t      ncmds;
+	uint32_t      sizeofcmds;
+	uint32_t      flags;
+} __attribute__((packed));
+
+/* Constants for magic member */
+#define MH_MAGIC     0xfeedface
+#define MH_CIGAM     0xbebafeca
+#define MH_MAGIC_32  MH_MAGIC
+#define MH_CIGAM_32  MH_CIGAM
+
+
+/*
+ * Defines the general attributes of a file targeted for a 64-bit architecture
+ */
+struct mach_header_64 {
+	uint32_t      magic;
+	cpu_type_t    cputype;
+	cpu_subtype_t cpusubtype;
+	uint32_t      filetype;
+	uint32_t      ncmds;
+	uint32_t      sizeofcmds;
+	uint32_t      flags;
+	uint32_t      reserved;
+};
+
+/* Constants for magic member */
+#define MH_MAGIC_64  0xfeedfacf
+#define MH_CIGAM_64  0xcffaedfe
+
+
+
+/* Constants for filetype member */
+#define MH_OBJECT    0x1   /* intermediate object files */
+#define MH_EXECUTE   0x2   /* standard executable programs */
+#define MH_CORE      0x4   /* address space of a crashed program */
+#define MH_PRELOAD   0x5   /* special-purpose programs (i.e. firmware) */
+#define MH_DYLIB     0x6   /* dynamic shared libraries */
+#define MH_DYLINKER  0x7   /* dynamic linker shared library */
+#define MH_BUNDLE    0x8   /* runtime loadable code */
+
+#endif /* _MACHO_LOADER_H_ */