adb
The absolute debugger, adb, is not specifically a kernel tool. It is a general-purpose debugger. It allows the user to specify an executable file and an optional core file, then examine and modify the contents of the core file and control execution of the executable. However, when the executable file is vmunix and the core file is an HP-UX core dump or /dev/mem, then adb can be used to examine kernel variables and structures.
For the purpose of examining the kernel, adb can be used either on a core dump or on the running kernel. If you wish to work with a core dump, change directory to the location of the dump and use the command adb –m vmunix (including the trailing period). The –m specifies a multifile dump image, vmunix is the name of ...
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