Chapter Contents 1. Discovering 2. Understanding Threads... 3. Setting Up 4. Setting Up Remote 5. Setting up Parallel 6. Using Windows 7. Visualizing 8. Seeing CLI at work 9. Using the CLI 10. Debugging 11. Using Groups ... 12. Data 13. Arrays 14. Action Points Glossary

14. Setting Action Points Action Points Overview Setting Breakpoints and Barriers Setting Source-Level Breakpoints Choosing Source Lines Setting and Deleting Breakpoints at Locations Displaying and Controlling Action Points Disabling Deleting Enabling Suppressing Setting Machine-Level Breakpoints Setting Breakpoints for Multiple Processes Setting Breakpoints When Using fork()/execve() Processes That Call fork() Processes That Call execve() Example: Multiprocess Breakpoint Barrier Points Barrier Breakpoint States Setting a Barrier Breakpoint Creating a Satisfaction Set Hitting a Barrier Point Releasing Processes from Barrier Points Deleting a Barrier Point Changes When Setting and Disabling a Barrier Point Defining Evaluation Points and Conditional Breakpoints Setting Evaluation Points Creating Conditional Breakpoint Examples Patching Programs Conditionally Patching Out Code Patching in a Function Call Correcting Code Interpreted vs. Compiled Expressions Interpreted Expressions Compiled Expressions Allocating Patch Space for Compiled Expressions Dynamic Patch Space Allocation Static Patch Space Allocation Using Watchpoints Architectures Creating Watchpoints Displaying Watchpoints Watching Memory Triggering Watchpoints Using Multiple Watchpoints Data Copies Using Conditional Watchpoints Saving Action Points to a File Evaluating Expressions Writing Code Fragments TotalView Variables Built-In Statements C Constructs Supported Data Types and Declarations Statements Fortran Constructs Supported Data Types and Declarations Statements Writing Assembler Code