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Original posting: http://lkml.kernel.org/r/20121214184202.F54094D9@kernel.stglabs.ibm.com Several architectures have similar stack debugging config options. They all pretty much do the same thing, some with slightly differing help text. This patch changes the architectures to instead enable a Kconfig boolean, and then use that boolean in the generic Kconfig.debug to present the actual menu option. This removes a bunch of duplication and adds consistency across arches. Signed-off-by: Dave Hansen <dave@linux.vnet.ibm.com> Reviewed-by: H. Peter Anvin <hpa@zytor.com> Reviewed-by: James Hogan <james.hogan@imgtec.com> Acked-by: Chris Metcalf <cmetcalf@tilera.com> [for tile] Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
48 lines
1.2 KiB
Text
48 lines
1.2 KiB
Text
menu "Kernel hacking"
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source "lib/Kconfig.debug"
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config GDBSTUB
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bool "Remote GDB kernel debugging"
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depends on DEBUG_KERNEL
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select DEBUG_INFO
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select FRAME_POINTER
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help
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If you say Y here, it will be possible to remotely debug the kernel
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using gdb. This enlarges your kernel ELF image disk size by several
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megabytes and requires a machine with more than 16 MB, better 32 MB
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RAM to avoid excessive linking time. This is only useful for kernel
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hackers. If unsure, say N.
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choice
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prompt "GDB stub port"
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default GDBSTUB_UART1
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depends on GDBSTUB
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help
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Select the on-CPU port used for GDB-stub
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config GDBSTUB_UART0
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bool "/dev/ttyS0"
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config GDBSTUB_UART1
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bool "/dev/ttyS1"
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endchoice
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config GDBSTUB_IMMEDIATE
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bool "Break into GDB stub immediately"
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depends on GDBSTUB
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help
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If you say Y here, GDB stub will break into the program as soon as
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possible, leaving the program counter at the beginning of
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start_kernel() in init/main.c.
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config GDB_CONSOLE
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bool "Console output to GDB"
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depends on GDBSTUB
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help
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If you are using GDB for remote debugging over a serial port and
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would like kernel messages to be formatted into GDB $O packets so
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that GDB prints them as program output, say 'Y'.
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endmenu
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