linux-6.12.1/lib/Kconfig.kgdb

1 # SPDX-License-Identifier: GPL-2.0-only
6 # set if architecture has the its kgdb_arch_handle_qxfer_pkt
13 	depends on HAVE_ARCH_KGDB
14 	depends on DEBUG_KERNEL
16 	  If you say Y here, it will be possible to remotely debug the
18 	  you also turn on the kernel config option
20 	  backtraces in the external debugger.  Documentation of
22 	  as well as in Documentation/dev-tools/kgdb.rst.  If
29 	depends on HAVE_KPROBES
30 	depends on MODULES
34 	  If set to Y the debug core will use the kprobe blocklist to
43 	tristate "KGDB: use kgdb over the serial console"
46 	depends on TTY && VT
49 	  Share a serial console with kgdb. Sysrq-g must be used
58 	  intended to for the development of new kgdb stubs
59 	  as well as regression testing the kgdb internals.
60 	  See the drivers/misc/kgdbts.c for the details about
61 	  the tests.  The most basic of this I/O module is to boot
65 	bool "KGDB: Run tests on boot"
66 	depends on KGDB_TESTS
69 	  Run the kgdb tests on boot up automatically without the need
74 	depends on KGDB_TESTS_ON_BOOT
77 	  This is the command string to send the kgdb test suite on
78 	  boot.  See the drivers/misc/kgdbts.c for detailed
79 	  information about other strings you could use beyond the
84        depends on X86 || MIPS
87 	 This will add an extra call back to kgdb for the breakpoint
99 	depends on KGDB_KDB
106 	  Alternatively the following bitmask applies:
108 	    0x0002 - allow arbitrary reads from memory and symbol lookup
109 	    0x0004 - allow arbitrary writes to memory
110 	    0x0008 - allow current register state to be inspected
111 	    0x0010 - allow current register state to be modified
112 	    0x0020 - allow passive inspection (backtrace, process list, lsmod)
113 	    0x0040 - allow flow control management (breakpoint, single step)
114 	    0x0080 - enable signalling of processes
115 	    0x0100 - allow machine to be rebooted
117 	  The config option merely sets the default at boot time. Both
120 	  override the default settings.
124 	depends on VT && KGDB_KDB && !PARISC
125 	depends on HAS_IOPORT
132 	depends on KGDB_KDB
135 	  This integer controls the behaviour of kdb when the kernel gets a
138 	  will happen until you type 'go'.
139 	  CONFIG_KDB_CONTINUE_CATASTROPHIC == 0 (default). The first time
140 	  you type 'go', you will be warned by kdb. The secend time you type
141 	  'go', KDB tries to continue. No guarantees that the
144 	  No guarantees that the kernel is still usable in this situation.
152 	  If an architecture can definitely handle entering the debugger
154 	  Otherwise, if "kgdbwait" is passed on the kernel command line it
155 	  won't actually be processed until dbg_late_init() just after the
160 	  when early_param's are parsed, we just won't act on the
164 	  depending on exactly how far along the architecture has initted.