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- menu "Kernel hacking"
- source "lib/Kconfig.debug"
- config GDBSTUB
- bool "Remote GDB kernel debugging"
- depends on DEBUG_KERNEL
- select DEBUG_INFO
- select FRAME_POINTER
- help
- If you say Y here, it will be possible to remotely debug the kernel
- using gdb. This enlarges your kernel ELF image disk size by several
- megabytes and requires a machine with more than 16 MB, better 32 MB
- RAM to avoid excessive linking time. This is only useful for kernel
- hackers. If unsure, say N.
- choice
- prompt "GDB stub port"
- default GDBSTUB_UART1
- depends on GDBSTUB
- help
- Select the on-CPU port used for GDB-stub
- config GDBSTUB_UART0
- bool "/dev/ttyS0"
- config GDBSTUB_UART1
- bool "/dev/ttyS1"
- endchoice
- config GDBSTUB_IMMEDIATE
- bool "Break into GDB stub immediately"
- depends on GDBSTUB
- help
- If you say Y here, GDB stub will break into the program as soon as
- possible, leaving the program counter at the beginning of
- start_kernel() in init/main.c.
- config GDB_CONSOLE
- bool "Console output to GDB"
- depends on GDBSTUB
- help
- If you are using GDB for remote debugging over a serial port and
- would like kernel messages to be formatted into GDB $O packets so
- that GDB prints them as program output, say 'Y'.
- endmenu
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