Document revision date: 30 March 2001

Part 3
Part 3	OpenVMS Watchpoint Utility
Chapter 10
10	The Watchpoint Utility
10.1	Introduction
10.2	Initializing the Watchpoint Utility
10.3	Creating and Deleting Watchpoints
10.3.1	Using the $QIO Interface
10.3.2	Invoking WPDRIVER Entry Points from System Routines
10.4	Data Structures
10.4.1	Watchpoint Restore Entry (WPRE)
10.4.2	Watchpoint Control Blocks (WPCB)
10.4.3	Trace Table Entries (WPTTEs)
10.5	Analyzing Watchpoint Results
10.6	Watchpoint Protection Overview
10.7	Restrictions
Index
Index
Examples
8-1	Booting the Target System
8-2	Invoking the System Code Debugger
8-3	Connecting to the Target System
8-4	Target System Connection Display
8-5	Setting a Breakpoint
8-6	Finding the Source Code
8-7	Using the Set Mode Screen Command
8-8	Using the SCROLL/UP DEBUG Command
8-9	Breakpoint Display
8-10	Using the Debug Step Command
8-11	Using the Examine and Show Calls Commands
8-12	Canceling the Breakpoints
8-13	Using the Step/Return Command
8-14	Source Lines Error Message
8-15	Using the Show Image Command
9-1	Invoking the System Dump Debugger
9-2	Accessing the System Dump
9-3	Displaying the Source Code
9-4	Using the Examine and Show Calls Commands
Figures
2-1	Mechanism Array
2-2	Signal Array
2-3	64-Bit Signal Array
2-4	Exception Stack Frame
2-5	Stack Following an Illegal Page-Fault Error
8-1	Maintaining Symbols
10-1	Format of Data Returned in Buffer
Tables
2-1	Definitions of Bits in DUMPSTYLE
2-2	Comparison of Full and Selective Dumps
2-3	SDA Operators
2-4	Modules Containing Global Symbols and Data Structures Used by SDA
2-5	SDA Symbols Defined on Initialization
2-6	SDA Symbols Defined by SET CPU Command
2-7	SDA Symbols Defined by SET PROCESS Command
2-8	Exception Stack Frame Values
4-1	Modules Defining Global Locations Within Executive Image
4-2	SET RMS Command Keywords for Displaying Process RMS Information
4-3	GSD Fields
4-4	Contents of the SHOW LOCK and SHOW PROCESS/LOCKS Displays
4-5	Virtual Page Information in the SHOW PAGE_TABLE Display
4-6	Type of Virtual Pages
4-7	Bits In the PTE
4-8	Physical Page Information in the SHOW PAGE_TABLE Display
4-9	Types of Physical Pages
4-10	Location of the Page
4-11	Command Options with the /COLOR and /RAD Qualifiers
4-12	Page Frame Number Information---Line One Fields
4-13	Page Frame Number Information---Line Two Fields
4-14	Flags Set in Page State
4-15	/TYPE and /SUBTYPE Qualifier Examples
4-16	Options for the /WORKING_SET_LIST Qualifier
4-17	Working Set List Entry Information in the SHOW PROCESS Display
4-18	Process Section Table Entry Information in the SHOW PROCESS Display
4-19	Process I/O Channel Information in the SHOW PROCESS Display
4-20	Image Information in the SHOW PROCESS Display
4-21	Resource Information in the SHOW RESOURCES Display
4-22	Lock on Resources
4-23	RMD Fields
4-24	Static Spinlocks
4-25	Process Information in the SHOW SUMMARY Display
4-26	Current State Information
4-27	Options for the SHOW WORKING_SET_LIST Command
10-1	Driver Supported Functions
10-2	Returned Status Codes
10-3	Returned Status Values

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