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| 1 // -*- mode: ObjC -*- |
| 2 |
| 3 // This file is part of class-dump, a utility for examining the Objective-C seg
ment of Mach-O files. |
| 4 // Copyright (C) 1997-1998, 2000-2001, 2004-2010 Steve Nygard. |
| 5 |
| 6 #import "CDFatArch.h" |
| 7 |
| 8 #import "CDDataCursor.h" |
| 9 #import "CDFatFile.h" |
| 10 #import "CDMachOFile.h" |
| 11 |
| 12 @implementation CDFatArch |
| 13 |
| 14 - (id)initWithDataCursor:(CDDataCursor *)cursor; |
| 15 { |
| 16 if ([super init] == nil) |
| 17 return nil; |
| 18 |
| 19 nonretained_fatFile = nil; |
| 20 |
| 21 fatArch.cputype = [cursor readBigInt32]; |
| 22 fatArch.cpusubtype = [cursor readBigInt32]; |
| 23 fatArch.offset = [cursor readBigInt32]; |
| 24 fatArch.size = [cursor readBigInt32]; |
| 25 fatArch.align = [cursor readBigInt32]; |
| 26 |
| 27 #if 0 |
| 28 NSLog(@"type: 64 bit? %d, 0x%x, subtype: 0x%x, offset: 0x%x, size: 0x%x, ali
gn: 0x%x", |
| 29 [self uses64BitABI], fatArch.cputype, fatArch.cpusubtype, fatArch.offs
et, fatArch.size, fatArch.align); |
| 30 #endif |
| 31 |
| 32 machOFile = nil; |
| 33 |
| 34 return self; |
| 35 } |
| 36 |
| 37 - (void)dealloc; |
| 38 { |
| 39 [machOFile release]; |
| 40 |
| 41 [super dealloc]; |
| 42 } |
| 43 |
| 44 - (cpu_type_t)cpuType; |
| 45 { |
| 46 return fatArch.cputype; |
| 47 } |
| 48 |
| 49 - (cpu_type_t)maskedCPUType; |
| 50 { |
| 51 return fatArch.cputype & ~CPU_ARCH_MASK; |
| 52 } |
| 53 |
| 54 - (cpu_subtype_t)cpuSubtype; |
| 55 { |
| 56 return fatArch.cpusubtype; |
| 57 } |
| 58 |
| 59 - (uint32_t)offset; |
| 60 { |
| 61 return fatArch.offset; |
| 62 } |
| 63 |
| 64 - (uint32_t)size; |
| 65 { |
| 66 return fatArch.size; |
| 67 } |
| 68 |
| 69 - (uint32_t)align; |
| 70 { |
| 71 return fatArch.align; |
| 72 } |
| 73 |
| 74 - (BOOL)uses64BitABI; |
| 75 { |
| 76 return CDArchUses64BitABI((CDArch){ .cputype = fatArch.cputype, .cpusubtype
= fatArch.cpusubtype }); |
| 77 } |
| 78 |
| 79 - (CDFatFile *)fatFile; |
| 80 { |
| 81 return nonretained_fatFile; |
| 82 } |
| 83 |
| 84 - (void)setFatFile:(CDFatFile *)newFatFile; |
| 85 { |
| 86 nonretained_fatFile = [newFatFile retain]; |
| 87 } |
| 88 |
| 89 - (NSString *)description; |
| 90 { |
| 91 return [NSString stringWithFormat:@"64 bit ABI? %d, cputype: 0x%08x, cpusubt
ype: 0x%08x, offset: 0x%08x (%8u), size: 0x%08x (%8u), align: 2^%d (%d), arch na
me: %@", |
| 92 [self uses64BitABI], fatArch.cputype, fatArch.cpusubtype, f
atArch.offset, fatArch.offset, fatArch.size, fatArch.size, |
| 93 fatArch.align, 1 << fatArch.align, [self archName]]; |
| 94 } |
| 95 |
| 96 - (CDArch)arch; |
| 97 { |
| 98 CDArch arch; |
| 99 |
| 100 arch.cputype = fatArch.cputype; |
| 101 arch.cpusubtype = fatArch.cpusubtype; |
| 102 |
| 103 return arch; |
| 104 } |
| 105 |
| 106 // Must not return nil. |
| 107 - (NSString *)archName; |
| 108 { |
| 109 return CDNameForCPUType(fatArch.cputype, fatArch.cpusubtype); |
| 110 } |
| 111 |
| 112 - (CDMachOFile *)machOFile; |
| 113 { |
| 114 if (machOFile == nil) { |
| 115 machOFile = [[CDFile fileWithData:[nonretained_fatFile data] offset:fatA
rch.offset filename:[nonretained_fatFile filename] searchPathState:[nonretained_
fatFile searchPathState]] retain]; |
| 116 } |
| 117 |
| 118 return machOFile; |
| 119 } |
| 120 |
| 121 - (NSData *)machOData; |
| 122 { |
| 123 return [[[NSData alloc] initWithBytes:[[nonretained_fatFile data] bytes] + f
atArch.offset length:fatArch.size] autorelease]; |
| 124 } |
| 125 |
| 126 @end |
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