kdb Reference

Name

kdb -- Kernel Debugger

Description

Typing control-alt-d while EROS is running will cause the kernel debugger to be entered.

This documentation is incomplete. Try this link for a formatted "man page", giving a description of most commands. Here are a few useful commands:

help

Print a list of commands.

trace

Print a stack trace.

c

Continue execution

show

Without any arguments, this command prints a list of arguments you can give. Here are explanations of some of them:

show inv

If an EROS invocation is active, this command prints some information in the inv structure.

show entry

If an EROS invocation is active, this command prints the information in the inv.entry structure.

show exit

If an EROS invocation is active, this command prints the information in the inv.exit structure.

show invokee

If an EROS invocation is active, this command prints the context of the invokee.

show cckeys

Print the key registers of the current thread.

show invkeys

If an EROS invocation is active, this command prints the key registers of the invokee.

show key <address>

Print the key at the specified address.

show cckr [<address>]

Print all the keys that refer to the process context at the specified address (the keyring of the context). If no address is specified, this command prints the information for the current thread.

show thread [<address>]

Print the thread at the specified address. If no address is specified, this command prints the current thread.

show uthreads

Print all the threads.

show ctxt [<address>]

Print the process context at the specified address. If no address is specified, this command prints the current thread's context.

show sa <address>

Print the registers in the fixregs_t save area at the specified address.

show node <OID>

Print the node with the specified OID.

show nodes

Print information about all the nodes in memory.

show pages

Print information about all the pages in memory.