Add the 3.3.3 sources for class-dump.

class-dump/src/CDFatArch.m

+// -*- mode: ObjC -*-
+
+//  This file is part of class-dump, a utility for examining the Objective-C segment of Mach-O files.
+//  Copyright (C) 1997-1998, 2000-2001, 2004-2010 Steve Nygard.
+
+#import "CDFatArch.h"
+
+#import "CDDataCursor.h"
+#import "CDFatFile.h"
+#import "CDMachOFile.h"
+
+@implementation CDFatArch
+
+- (id)initWithDataCursor:(CDDataCursor *)cursor;
+{
+    if ([super init] == nil)
+        return nil;
+
+    nonretained_fatFile = nil;
+
+    fatArch.cputype = [cursor readBigInt32];
+    fatArch.cpusubtype = [cursor readBigInt32];
+    fatArch.offset = [cursor readBigInt32];
+    fatArch.size = [cursor readBigInt32];
+    fatArch.align = [cursor readBigInt32];
+
+#if 0
+    NSLog(@"type: 64 bit? %d, 0x%x, subtype: 0x%x, offset: 0x%x, size: 0x%x, align: 0x%x",
+          [self uses64BitABI], fatArch.cputype, fatArch.cpusubtype, fatArch.offset, fatArch.size, fatArch.align);
+#endif
+
+    machOFile = nil;
+
+    return self;
+}
+
+- (void)dealloc;
+{
+    [machOFile release];
+
+    [super dealloc];
+}
+
+- (cpu_type_t)cpuType;
+{
+    return fatArch.cputype;
+}
+
+- (cpu_type_t)maskedCPUType;
+{
+    return fatArch.cputype & ~CPU_ARCH_MASK;
+}
+
+- (cpu_subtype_t)cpuSubtype;
+{
+    return fatArch.cpusubtype;
+}
+
+- (uint32_t)offset;
+{
+    return fatArch.offset;
+}
+
+- (uint32_t)size;
+{
+    return fatArch.size;
+}
+
+- (uint32_t)align;
+{
+    return fatArch.align;
+}
+
+- (BOOL)uses64BitABI;
+{
+    return CDArchUses64BitABI((CDArch){ .cputype = fatArch.cputype, .cpusubtype = fatArch.cpusubtype });
+}
+
+- (CDFatFile *)fatFile;
+{
+    return nonretained_fatFile;
+}
+
+- (void)setFatFile:(CDFatFile *)newFatFile;
+{
+    nonretained_fatFile = [newFatFile retain];
+}
+
+- (NSString *)description;
+{
+    return [NSString stringWithFormat:@"64 bit ABI? %d, cputype: 0x%08x, cpusubtype: 0x%08x, offset: 0x%08x (%8u), size: 0x%08x (%8u), align: 2^%d (%d), arch name: %@",
+                     [self uses64BitABI], fatArch.cputype, fatArch.cpusubtype, fatArch.offset, fatArch.offset, fatArch.size, fatArch.size,
+                     fatArch.align, 1 << fatArch.align, [self archName]];
+}
+
+- (CDArch)arch;
+{
+    CDArch arch;
+
+    arch.cputype = fatArch.cputype;
+    arch.cpusubtype = fatArch.cpusubtype;
+
+    return arch;
+}
+
+// Must not return nil.
+- (NSString *)archName;
+{
+    return CDNameForCPUType(fatArch.cputype, fatArch.cpusubtype);
+}
+
+- (CDMachOFile *)machOFile;
+{
+    if (machOFile == nil) {
+        machOFile = [[CDFile fileWithData:[nonretained_fatFile data] offset:fatArch.offset filename:[nonretained_fatFile filename] searchPathState:[nonretained_fatFile searchPathState]] retain];
+    }
+
+    return machOFile;
+}
+
+- (NSData *)machOData;
+{
+    return [[[NSData alloc] initWithBytes:[[nonretained_fatFile data] bytes] + fatArch.offset length:fatArch.size] autorelease];
+}
+
+@end