Macsbug 6.1 Reference

. " Macintosh~ MacsBug ,6.1 Reference • APPLE COMPUTER, INC. This manual and the software Apple, the Apple logo, HyperCard, described in it are copyrighted, with all lmageWriter, LaserWriter, and rights reserved Under the copyright Macintosh are registered trademarks of laws, this manual or the software may Apple Computer, loc. not be copied, in whole or part, without written consent of Apple, Apple Desktop Bus, Extended except in the nonnal use of the DiSCipline, Finder, MPW, MuitiFinder, software or to make a backup copy of RAMDump, ResEdit and SADE are the software. The same proprietary and trademarks of Apple ·Computer, Inc. copyright notices must be aff'lXed to ITe Garamond and ITC Zapf Dingbats any permitted copies as were aff'lXed to are registered trademarks of the original. This exception does not International allow copies to be made for others, Typeface Corporation. whether or not sold, but all of the material purchased (with all baclru p ,Microsoft is a registered trademark of copies) may be sold, given, or loaned , Microsoft Corporation. to another person. Under the law, copying includes translating into PostScript is a registered trademark of another language or format. Adobe Systems Incorporated. You may use the software on any Simultaneously published in the computer owned by you, but extra United States and Canada. copies cannot be made for this purpose. @ Apple Computer, loc., 1989 20525 Mariani Avenue Cupertino, CA 95014 (408) 996-10 10 .. ( Contents Preface About ThIs Manual vii Overview ix Notation conventions x Aids to understanding x 1 MacsBug OVerview 1 About MacsBug 3 Macintosh debugging 3 MacsBug fites 5 2 Debugging With MaesBug 7 Getting started 9 Specifying things 12 How did I get here? 13 Controlling program execution 14 Stopping at a particular place 15 Watching for memory to change 16 Displaying and setting memory 16 Checking the heap 17 Exercising your program 17 The dot address 17 MacsBug resources 19 Figure 2-1 MacsBug display 10 ( ill • . 3 MacsBug Commands 21 \.., Command syntax 23 Values 23 Operators 24 Conunand descriptio…