Tools: Debugging Native and Java Code with WDB

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Tools for

Debugging

gdb

Debugging a Core File, 2

$ export GDB_JAVA_UNWINDLIB=/tmp/libjunwind.sl

$ gdb /opt/java1.3/bin/PA_RISC2.0/native_threads/java --core=core

• Need to:

• Specify correct path to executable

– Might be installed elsewhere

– Could be a 1.0 machine (PA_RISC in the path above)

• Have correct libraries (including system libraries) on the system

– Can use gdb’s GDB_SHLIB_PATH environment variable

HP gdb 3.0 for PA-RISC 1.1 or 2.0 (narrow), HP-UX 11.00.

Hewlett-Packard Wildebeest 3.0 (based on GDB) is covered by the

GNU General Public License. Type "show copying" to see the conditions to

change it and/or distribute copies. Type "show warranty" for

warranty/support.

..(no debugging symbols found)... Ignore these

Core was generated by `java'.

Program terminated with signal 6, Aborted.