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Oracle Solaris Studio 12.3: Debugging a Program With dbx     Oracle Solaris Studio 12.3 Information Library
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Document Information


1.  Getting Started With dbx

2.  Starting dbx

Starting a Debugging Session

Debugging a Core File

Debugging a Core File in the Same Operating Environment

If Your Core File Is Truncated

Debugging a Mismatched Core File

Eliminating Shared Library Problems

Things to Remember

Using the Process ID

The dbx Startup Sequence

Setting Startup Properties

Mapping the Compile-time Directory to the Debug-time Directory

Setting dbx Environment Variables

Creating Your Own dbx Commands

Compiling a Program for Debugging

Compiling with the -g Option

Using a Separate Debug File

Creating a Separate Debug File

Debugging Optimized Code

Parameters and Variables

Inlined Functions

Code Compiled Without the -g Option

Shared Libraries Require the -g Option for Full dbx Support

Completely Stripped Programs

Quitting Debugging

Stopping a Process Execution

Detaching a Process From dbx

Killing a Program Without Terminating the Session

Saving and Restoring a Debugging Run

Using the save Command

Saving a Series of Debugging Runs as Checkpoints

Restoring a Saved Run

Saving and Restoring Using replay

3.  Customizing dbx

4.  Viewing and Navigating To Code

5.  Controlling Program Execution

6.  Setting Breakpoints and Traces

7.  Using the Call Stack

8.  Evaluating and Displaying Data

9.  Using Runtime Checking

10.  Fixing and Continuing

11.  Debugging Multithreaded Applications

12.  Debugging Child Processes

13.  Debugging OpenMP Programs

14.  Working With Signals

15.  Debugging C++ With dbx

16.  Debugging Fortran Using dbx

17.  Debugging a Java Application With dbx

18.  Debugging at the Machine-Instruction Level

19.  Using dbx With the Korn Shell

20.  Debugging Shared Libraries

A.  Modifying a Program State

B.  Event Management

C.  Macros

D.  Command Reference


Quitting Debugging

A dbx session runs from the time you start dbx until you quit dbx; you can debug any number of programs in succession during a dbx session.

To quit a dbx session, type quit at the dbx prompt.

(dbx) quit

When you start dbx and attach it to a running process using the process_id option, the process survives and continues when you quit the debugging session. dbx performs an implicit detach before quitting the session.

Stopping a Process Execution

You can stop execution of a process at any time by pressing Ctrl+C without leaving dbx.

Detaching a Process From dbx

If you have attached dbx to a process, you can detach the process from dbx without killing it or the dbx session by using the detach command.

To detach a process from dbx without killing the process, type:

(dbx) detach

You can detach a process and leave it in a stopped state while you temporarily apply other /proc-based debugging tools that might be blocked when dbx has exclusive access. For more information, see Detaching dbx From a Process.

For more information on the detach command, see detach Command.

Killing a Program Without Terminating the Session

The dbx kill command terminates debugging of the current process as well as killing the process. However, the kill command preserves the dbx session itself leaving dbx ready to debug another program.

Killing a program is a good way of eliminating the remains of a program you were debugging without exiting dbx.

To kill a program executing in dbx, type:

(dbx) kill

For more information, see kill Command.