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This patch adds in the ability to compile the kgdb internal test string into the kernel so as to run the tests at boot without changing the kernel boot arguments. This patch also changes all the error paths to invoke WARN_ON(1) which will emit the line number of the file and dump the kernel stack when an error occurs. You can disable the tests in a kernel that is built this way using "kgdbts=" Signed-off-by: Jason Wessel <jason.wessel@windriver.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
58 lines
1.7 KiB
Text
58 lines
1.7 KiB
Text
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menuconfig KGDB
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bool "KGDB: kernel debugging with remote gdb"
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select FRAME_POINTER
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depends on HAVE_ARCH_KGDB
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depends on DEBUG_KERNEL && EXPERIMENTAL
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help
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If you say Y here, it will be possible to remotely debug the
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kernel using gdb. Documentation of kernel debugger is available
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at http://kgdb.sourceforge.net as well as in DocBook form
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in Documentation/DocBook/. If unsure, say N.
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config HAVE_ARCH_KGDB_SHADOW_INFO
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bool
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config HAVE_ARCH_KGDB
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bool
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config KGDB_SERIAL_CONSOLE
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tristate "KGDB: use kgdb over the serial console"
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depends on KGDB
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select CONSOLE_POLL
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select MAGIC_SYSRQ
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default y
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help
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Share a serial console with kgdb. Sysrq-g must be used
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to break in initially.
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config KGDB_TESTS
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bool "KGDB: internal test suite"
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depends on KGDB
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default n
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help
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This is a kgdb I/O module specifically designed to test
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kgdb's internal functions. This kgdb I/O module is
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intended to for the development of new kgdb stubs
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as well as regression testing the kgdb internals.
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See the drivers/misc/kgdbts.c for the details about
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the tests. The most basic of this I/O module is to boot
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a kernel boot arguments "kgdbwait kgdbts=V1F100"
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config KGDB_TESTS_ON_BOOT
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bool "KGDB: Run tests on boot"
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depends on KGDB_TESTS
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default n
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help
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Run the kgdb tests on boot up automatically without the need
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to pass in a kernel parameter
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config KGDB_TESTS_BOOT_STRING
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string "KGDB: which internal kgdb tests to run"
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depends on KGDB_TESTS_ON_BOOT
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default "V1F100"
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help
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This is the command string to send the kgdb test suite on
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boot. See the drivers/misc/kgdbts.c for detailed
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information about other strings you could use beyond the
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default of V1F100.
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