Add the 3.3.3 sources for class-dump.

class-dump/src/CDMachO32File.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 "CDMachO32File.h"
+
+#import "CDObjectiveC1Processor.h"
+#import "CDObjectiveC2Processor32.h"
+
+@implementation CDMachO32File
+
+- (id)initWithData:(NSData *)someData offset:(NSUInteger)anOffset filename:(NSString *)aFilename searchPathState:(CDSearchPathState *)aSearchPathState;
+{
+    CDDataCursor *cursor;
+
+    if ([super initWithData:someData offset:anOffset filename:aFilename searchPathState:aSearchPathState] == nil)
+        return nil;
+
+    cursor = [[CDDataCursor alloc] initWithData:someData];
+    //NSLog(@"CDMachO32File - setting offset to %08x", offset);
+    [cursor setOffset:offset];
+    header.magic = [cursor readLittleInt32];
+
+    //NSLog(@"(testing macho 32) magic: 0x%x", header.magic);
+    if (header.magic == MH_MAGIC) {
+        byteOrder = CDByteOrderLittleEndian;
+    } else if (header.magic == MH_CIGAM) {
+        byteOrder = CDByteOrderBigEndian;
+    } else {
+        [cursor release];
+        [self release];
+        return nil;
+    }
+
+    //NSLog(@"byte order: %d", byteOrder);
+    [cursor setByteOrder:byteOrder];
+
+    header.cputype = [cursor readInt32];
+    //NSLog(@"cputype: 0x%08x", header.cputype);
+
+    header.cpusubtype = [cursor readInt32];
+    header.filetype = [cursor readInt32];
+    header.ncmds = [cursor readInt32];
+    header.sizeofcmds = [cursor readInt32];
+    header.flags = [cursor readInt32];
+
+    //NSLog(@"cpusubtype: 0x%08x", header.cpusubtype);
+    //NSLog(@"filetype: 0x%08x", header.filetype);
+    //NSLog(@"ncmds: %u", header.ncmds);
+    //NSLog(@"sizeofcmds: %u", header.sizeofcmds);
+    //NSLog(@"flags: 0x%08x", header.flags);
+
+    _flags.uses64BitABI = CDArchUses64BitABI((CDArch){ .cputype = header.cputype, .cpusubtype = header.cpusubtype });
+    header.cputype &= ~CPU_ARCH_MASK;
+
+    [self _readLoadCommands:cursor count:header.ncmds];
+
+    return self;
+}
+
+- (uint32_t)magic;
+{
+    return header.magic;
+}
+
+- (cpu_type_t)cputype;
+{
+    return header.cputype;
+}
+
+- (cpu_subtype_t)cpusubtype;
+{
+    return header.cpusubtype;
+}
+
+- (uint32_t)filetype;
+{
+    return header.filetype;
+}
+
+- (uint32_t)flags;
+{
+    return header.flags;
+}
+
+- (BOOL)bestMatchForLocalArch:(CDArch *)archPtr;
+{
+    if (archPtr != NULL) {
+        archPtr->cputype = header.cputype;
+        archPtr->cpusubtype = header.cpusubtype;
+    }
+
+    return YES;
+}
+
+- (Class)processorClass;
+{
+    if ([self hasObjectiveC2Data])
+        return [CDObjectiveC2Processor32 class];
+
+    return [CDObjectiveC1Processor class];
+}
+
+@end