Data Window | HP Ski Simulator, IA-64 instruction

Ski IA-64 Simulator Reference Manual 1.0L

Figure 3-12. xski’s Program Window Showing Illegal Instructions

Figure 3-13. xski’s Program Window Showing Unallocated Space or No Translation

3.6The Data Window

In the Data Window, xski and ski present data in hexadecimal format, sixteen bytes to a line, as shown in Figure 3-14.The data are displayed as four groups of eight hexadecimal digits each, with an ASCII character translation on the right and the data address on the left. (The endianness of the displayed bytes is determined by the current value of the psr.be bit

3-10 Screen Presentation

Copyright © 2000 Hewlett-Packard Co.

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HP Ski Simulator, IA-64 manual Data Window, xski’s Program Window Showing Illegal Instructions

Contents

Ski IA-64 Simulator Reference Manual Copyright 2000 Hewlett-Packard Co Printing History Trademarks Font Conventions How to Use This ManualPreface Syntax Conventions Italic+ Table of Contents Ski IA-64 Simulator Reference Manual Vii Ski IA-64 Simulator Reference Manual Viii Table of Contents List of Figures Ski IA-64 Simulator Reference Manual 1.0L List of Tables Ski IA-64 Simulator Reference Manual 1.0L Xii List of Tables Ski Simulator How to Run an IA-64 Application ProgramGetting Started a Ski Tutorial Starting xski Starting xski From the Command Line Exiting Ski Loading Your Program Loading the hello Program Inspecting Data Xski Data Window Changing the Data Window Display Data Window Showing argv and envp Strings in Hexadecimal Viewing Data in Ascii Looking at Code Viewing Source Code Mixed In with Assembly Code 12. Jumping the Program Window to the Beginning of main Controlling Breakpoints 14. The Program Window Showing a Breakpoint at main Running a Program 15. The Breakpoint List Window Single-stepping a Program 16. The Terminal Window After the hello Program is Run Changing Registers and Memory 18. The Main Window After Reaching the Breakpoint at main+10 Ski IA-64 Simulator Reference Manual 1.0L 20. The xski Register Window After Changing the ip Register 21. The xski Data Window Widened to Show Ascii Getting Help Next Steps Copyright 2000 Hewlett-Packard Co What You Need to Know to Use This Manual OverviewIntroduction Defects and Defect Reporting Using bski for Batch Simulations Ski Variations X Window System, Motif-based xski Interface Command Line Flags Starting Ski XSki File 1.1 Summary of Flags Quitting Ski Summary of the Quit CommandQuit expression Ski’s Use of Windows Screen PresentationRegister Window User Registers Pane Register Window in xski General Registers Pane Floating Point Registers Pane System Registers Pane IA-32 Registers Pane Resizing Register Window Panes with xski Register Window and ski Program Window 1 IA-64 Instruction Display Ski IA-64 Simulator Reference Manual 1.0L 2 IA-32 Instruction Display Changing the Range of Locations Shown in the Program Window Invalid Code and the Program Window Data Window 12. xski’s Program Window Showing Illegal Instructions Changing the Range of Locations Shown in the Data Window Invalid Code and the Data Window Command/Main WindowXski Main Window Ski Command Window 16. xski’s Main Command Window 17. ski’s Command Window at Bottom Other Windows 18. xski’s Symbol List Window Copyright 2000 Hewlett-Packard Co Command Arguments Command LanguageCommand Entry Command Sequences, Repetition, and Abbreviation Numbers and Counts Argument SpeciﬁcationNumeric Arguments Expressions Ski Simulator Arithmetic and Logic Operators Xski Evaluating Expressions Program-Deﬁned Symbols Symbolic ArgumentsAddresses Labels Resolving Ambiguous Symbols and NumbersInternal Variables Filenames Ski IA-64 Simulator Reference Manual 1.0L Summary of Register Window Commands Screen Manipulation CommandsRegister Window Commands Xski Register Window Commands Program Window Commands Summary of Program Window Commands Xski’s Program Window Showing IA-64 Assembly Language Code Xski’s Assembly Language Dump Window Pd startingaddress endingaddress ﬁlename Dj address Data Window CommandsSummary of Data Window Commands Df count Xski Showing Data in Raw Hexadecimal and Ascii Dd startingaddress endingaddress ﬁlename Ski Support for Application-Mode Programs Program SimulationApplication-Mode and System-Mode Simulation Ski Support for System-Mode Programs System-Mode IA-32 Programs Summary of TLB Display CommandsSystem-Mode IA-64 Programs System-Mode TLB Simulation How to Load a Program Misaligned Data Access TrapProgram Loading Adding Information after Loading Summary of Program Loading CommandsLoad ﬁlename args+ Creating the argc, argv, and envp Parameters Summary of Program Execution Commands Program Execution Ski IA-64 Simulator Reference Manual 1.0L Program Simulation Interruptions Linux and MS-DOS ABI EmulationLinux Application Environment Linux System Calls Supported by Ski Linux System Calls Accepted but Ignored by Ski Program I/O MS-DOS Application EnvironmentMS-DOS System Calls in Hexadecimal Supported by Ski Copyright 2000 Hewlett-Packard Co Examples of Assignment Commands Changing Registers and Memory with Assignment CommandsSummary of Assignment Commands Debugging Original Program Loaded in ski Bit-encoded Registers Allocation Evaluating Formulas and Formatting Data Summary of The eval CommandSetting Program Breakpoints Program Breakpoints Deleting Program Breakpoints Listing Program Breakpoints Unexpected Breakpoints Summary of Program Breakpoint CommandsBs address Data Breakpoints Setting Data BreakpointsSummary of Data Breakpoint Commands Deleting Data Breakpoints Summary of Symbol Commands Symbol Table CommandsSummary of Save and Restore Commands Dumping Registers and Memory to a File Symlist Output from xski Isyms ﬁlename Ski IA-64 Simulator Reference Manual 1.0L Debugging Goto Command and Labels Command FilesLabels and Control Flow in Command Files Initialization File An Example Command File Comments in Command FilesIf Command # comment Summary of Command File Commandsﬁlename Label Ski IA-64 Simulator Reference Manual 1.0L Command Files Command Reference =s address stringwithoutspaces Dbs address length rwrw Dbd breakpointnumber Help commandname Eval expressionwithoutspaces+ Quit returnvalueforshell Rest ﬁlename Step until expressionwithoutspaces Ski IA-64 Simulator Reference Manual 1.0L Register Names IA-64 Registers Register Names Copyright 2000 Hewlett-Packard Co Register Names B-3 Ski IA-64 Simulator Reference Manual 1.0L Copyright 2000 Hewlett-Packard Co Register Names B-5 Ski IA-64 Simulator Reference Manual 1.0L Register Names Internal Variable Names Internal Variables Copyright 2000 Hewlett-Packard Co Simulator Status and Error Messages All breakpoints deleted Simulator Status and Error Messages Expression Help Unknown command %s Missing ELF header Not an IA-64 ﬁle Stopping at %s due to unimplemented instruction Usage %s options ﬁle args