CocoaDev

see PrebindingFrameworks

#import <Cocoa/Cocoa.h>

id MachOPathForFrameworkAtPath(id path) { id extension=[path pathExtension]; id manager=[NSFileManager defaultManager]; BOOL isDir; if ([extension isEqualToString:@”framework”]) { id versionDirectory=[path stringByAppendingPathComponent:@”Versions”]; if ([manager fileExistsAtPath:versionDirectory isDirectory:&isDir] && isDir) { id frameworkName=path lastPathComponent] stringByDeletingPathExtension]; path=[[[NSString stringWithFormat:@”%@/Current/%@”, versionDirectory, frameworkName]; if ([manager fileExistsAtPath:path]) return path; else return nil; } else return nil; } else return path; }

id AddressRangeForFrameworkAtPath(id path) { id otoolTask=[[[NSTask alloc] init] autorelease]; id outputPipe=[NSPipe pipe]; path=MachOPathForFrameworkAtPath(path); if (!path) return nil; [otoolTask setLaunchPath:@”/usr/bin/otool”]; [otoolTask setArguments:[NSArray arrayWithObjects:@”-lv”, path, nil]]; [otoolTask setStandardOutput:outputPipe]; [otoolTask launch]; id outputHandle=[outputPipe fileHandleForReading]; id outputData=[outputHandle readDataToEndOfFile]; id outputString=[NSString stringWithCString:[outputData bytes] length:[outputData length]]; id lines=[outputString componentsSeparatedByString:@”\n”]; id lineEnum; id line; lineEnum=[lines objectEnumerator]; unsigned long totalLength=0; id baseAddressString=nil; while (line=[lineEnum nextObject]) { NSRange range=[line rangeOfString:@”vmaddr “]; if (range.length) { line=[line stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]]; id components=[line componentsSeparatedByString:@” “]; id nextLine=[lineEnum nextObject]; range=[nextLine rangeOfString:@”vmsize “]; if (!range.length) continue; nextLine=[nextLine stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]]; id nextLineComponents=[nextLine componentsSeparatedByString:@” “]; if ([components count]==2 && [nextLineComponents count]==2) { id addressString=[components objectAtIndex:1]; if (!baseAddressString) baseAddressString=addressString; id sizeString=[nextLineComponents objectAtIndex:1]; totalLength+=strtoul([sizeString cString], nil, 16); } } }

unsigned long baseAddressValue=strtoul([baseAddressString cString], nil, 16);
unsigned long nextFreeAddressValue=(baseAddressValue+totalLength);
return [NSString stringWithFormat:@"{ %u, %u }", baseAddressValue, totalLength]; }

int AddressRangeSort(id obj1, id obj2, void *context) { id range1=[obj1 objectForKey:@”range”]; id range2=[obj2 objectForKey:@”range”]; unsigned int v1 = NSRangeFromString(range1).location; unsigned int v2 = NSRangeFromString(range2).location; if (v1 < v2) return NSOrderedAscending; else if (v1 > v2) return NSOrderedDescending; else return NSOrderedSame;

}

int main(int argc, char *argv[]) { NSAutoreleasePool *pool=[[NSAutoreleasePool alloc] init]; id manager=[NSFileManager defaultManager]; if (argc<2) { NSLog(@”machoinfo "); return -1; } id arg1=[NSString stringWithCString:argv[1] length:strlen(argv[1])]; BOOL isDir; id paths=[NSMutableArray array]; if ([manager fileExistsAtPath:arg1 isDirectory:&isDir]) { if (isDir) { id contents=[manager directoryContentsAtPath:arg1]; [paths addObjectsFromArray:[arg1 stringsByAppendingPaths:contents]]; } else [paths addObject:arg1]; } id ranges=[NSMutableArray array]; id infoArray=[NSMutableArray array]; id pathEnum; id path; pathEnum=[paths objectEnumerator]; while (path=[pathEnum nextObject]) { id addressRange=AddressRangeForFrameworkAtPath(path); if (addressRange) { id entry=[NSMutableDictionary dictionary]; id frameworkName=path lastPathComponent] stringByDeletingPathExtension]; [entry setObject:addressRange forKey:@"range"]; [entry setObject:frameworkName forKey:@"name"]; [infoArray addObject:entry]; } } infoArray=[infoArray sortedArrayUsingFunction:[[AddressRangeSort context:nil]; unsigned int lastAddress=0; unsigned int lastLength=0; int i, count; id lastEntry, frameworkName, headroom; frameworkName=nil; count=[infoArray count]; id errorString=[NSMutableString string]; [errorString appendString:@"address length headroom name\n"]; for (i=0;i<count;i++) { id entry=[infoArray objectAtIndex:i]; id addressRange=[entry objectForKey:@"range"]; unsigned int address=NSRangeFromString(addressRange).location; if (lastAddress && lastEntry) { int headroomValue=address-lastAddress-lastLength; if (headroomValue<0) headroomValue=0; headroom=[NSString stringWithFormat:@"%u", headroomValue]; [lastEntry setObject:headroom forKey:@"headroom"]; [errorString appendFormat:@"0x%08x 0x%08x 0x%08x %@\n", lastAddress, lastLength, [headroom intValue], frameworkName]; } lastLength=NSRangeFromString(addressRange).length; lastAddress=address; lastEntry=entry; frameworkName=[lastEntry objectForKey:@"name"]; frameworkName=[frameworkName stringByPaddingToLength:20 withString:@" " startingAtIndex:0]; } [errorString appendFormat:@"0x%08x 0x%08x unknown %@\n", lastAddress, lastLength, frameworkName]; id errorHandle=[NSFileHandle fileHandleWithStandardError]; id errorData=[NSData dataWithBytes:[errorString cString] length:[errorString length]]; [errorHandle writeData:errorData]; [errorHandle closeFile]; [pool release];

return 0; }