Compiling Your Code for Debugging
Debugging Your Program With dbx
Finding Memory Access Problems and Memory Leaks
4. Viewing and Navigating To Code
5. Controlling Program Execution
6. Setting Breakpoints and Traces
8. Evaluating and Displaying Data
11. Debugging Multithreaded Applications
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
To start dbx, type the dbx command at a shell prompt:
$ dbx
To start dbxtool, type the dbxtool command at a shell prompt:
$ dbxtool
To start dbx and load the program to be debugged:
$ dbx program_name
To start dbxtool and load the program to be debugged:
$ dbxtool program_name
To start dbx and load a program that is a mixture of Java code and C JNI code or C++ JNI code:
$ dbx program_name{.class | .jar}
You can use the dbx command to start dbx and attach it to a running process by specifying the process ID.
$ dbx - process_id
You can use the dbxtool command to start dbxtool and attach it to a running process by specifying the process ID.
$ dbxtool - process_id
If you don’t know the process ID of the process, include the pgrep command in the dbx command to find and attach to the process. For example:
$ dbx - `pgrep Freeway` Reading - Reading ld.so.1 Reading libXm.so.4 Reading libgen.so.1 Reading libXt.so.4 Reading libX11.so.4 Reading libce.so.0 Reading libsocket.so.1 Reading libm.so.1 Reading libw.so.1 Reading libc.so.1 Reading libSM.so.6 Reading libICE.so.6 Reading libXext.so.0 Reading libnsl.so.1 Reading libdl.so.1 Reading libmp.so.2 Reading libc_psr.so.1 Attached to process 1855 stopped in _libc_poll at 0xfef9437c 0xfef9437c: _libc_poll+0x0004: ta 0x8 Current function is main 48 XtAppMainLoop(app_context); (dbx)
For more information on the dbx command and start-up options, see dbx Command and the dbx(1) man page, or type dbx -h.
If you are already running dbx, you can load the program to be debugged, or switch from the program you are debugging to another program, with the debug command:
(dbx) debug program_name
To load or switch to a program that includes Java code and C JNI code or C++ JNI code:
(dbx> debug program_name{.class | .jar}
If you are already running dbx, you can also use the debug command to attach dbx to a running process:
(dbx) debug program_name process_id
To attach dbx to a running process that includes Java code and C JNI (Java Native Interface) code or C++ JNI code:
(dbx) debug program_name{.class | .jar} process_id
For more information on the debug command, see debug Command.