| Jason Wessel | dc7d552 | 2008-04-17 20:05:37 +0200 | [diff] [blame] | 1 | |
| Jan Engelhardt | e024cbd | 2008-04-25 18:35:29 +0200 | [diff] [blame] | 2 | config HAVE_ARCH_KGDB |
| 3 | bool |
| 4 | |
| Jason Wessel | dc7d552 | 2008-04-17 20:05:37 +0200 | [diff] [blame] | 5 | menuconfig KGDB |
| Jason Wessel | dcc7871 | 2010-05-20 21:04:21 -0500 | [diff] [blame] | 6 | bool "KGDB: kernel debugger" |
| Jason Wessel | dc7d552 | 2008-04-17 20:05:37 +0200 | [diff] [blame] | 7 | depends on HAVE_ARCH_KGDB |
| Kees Cook | 525c1f9 | 2013-01-16 18:54:16 -0800 | [diff] [blame] | 8 | depends on DEBUG_KERNEL |
| Jason Wessel | dc7d552 | 2008-04-17 20:05:37 +0200 | [diff] [blame] | 9 | help |
| 10 | If you say Y here, it will be possible to remotely debug the |
| Jason Wessel | 5f5ddfb | 2008-08-01 08:39:34 -0500 | [diff] [blame] | 11 | kernel using gdb. It is recommended but not required, that |
| 12 | you also turn on the kernel config option |
| 13 | CONFIG_FRAME_POINTER to aid in producing more reliable stack |
| 14 | backtraces in the external debugger. Documentation of |
| 15 | kernel debugger is available at http://kgdb.sourceforge.net |
| 16 | as well as in DocBook form in Documentation/DocBook/. If |
| 17 | unsure, say N. |
| Jason Wessel | dc7d552 | 2008-04-17 20:05:37 +0200 | [diff] [blame] | 18 | |
| Jan Engelhardt | e024cbd | 2008-04-25 18:35:29 +0200 | [diff] [blame] | 19 | if KGDB |
| Jason Wessel | dc7d552 | 2008-04-17 20:05:37 +0200 | [diff] [blame] | 20 | |
| 21 | config KGDB_SERIAL_CONSOLE |
| 22 | tristate "KGDB: use kgdb over the serial console" |
| Jason Wessel | dc7d552 | 2008-04-17 20:05:37 +0200 | [diff] [blame] | 23 | select CONSOLE_POLL |
| 24 | select MAGIC_SYSRQ |
| Joe Millenbach | 4f73bc4 | 2013-01-17 22:44:22 -0800 | [diff] [blame] | 25 | depends on TTY |
| Jason Wessel | dc7d552 | 2008-04-17 20:05:37 +0200 | [diff] [blame] | 26 | default y |
| 27 | help |
| 28 | Share a serial console with kgdb. Sysrq-g must be used |
| 29 | to break in initially. |
| Jason Wessel | e8d31c2 | 2008-03-07 16:34:17 -0600 | [diff] [blame] | 30 | |
| 31 | config KGDB_TESTS |
| 32 | bool "KGDB: internal test suite" |
| Jason Wessel | e8d31c2 | 2008-03-07 16:34:17 -0600 | [diff] [blame] | 33 | default n |
| 34 | help |
| 35 | This is a kgdb I/O module specifically designed to test |
| 36 | kgdb's internal functions. This kgdb I/O module is |
| 37 | intended to for the development of new kgdb stubs |
| 38 | as well as regression testing the kgdb internals. |
| 39 | See the drivers/misc/kgdbts.c for the details about |
| 40 | the tests. The most basic of this I/O module is to boot |
| 41 | a kernel boot arguments "kgdbwait kgdbts=V1F100" |
| Jason Wessel | 974460c | 2008-03-20 13:43:44 -0500 | [diff] [blame] | 42 | |
| 43 | config KGDB_TESTS_ON_BOOT |
| 44 | bool "KGDB: Run tests on boot" |
| 45 | depends on KGDB_TESTS |
| 46 | default n |
| 47 | help |
| 48 | Run the kgdb tests on boot up automatically without the need |
| 49 | to pass in a kernel parameter |
| 50 | |
| 51 | config KGDB_TESTS_BOOT_STRING |
| 52 | string "KGDB: which internal kgdb tests to run" |
| 53 | depends on KGDB_TESTS_ON_BOOT |
| 54 | default "V1F100" |
| 55 | help |
| 56 | This is the command string to send the kgdb test suite on |
| 57 | boot. See the drivers/misc/kgdbts.c for detailed |
| 58 | information about other strings you could use beyond the |
| 59 | default of V1F100. |
| Jan Engelhardt | e024cbd | 2008-04-25 18:35:29 +0200 | [diff] [blame] | 60 | |
| Jason Wessel | f503b5a | 2010-05-20 21:04:25 -0500 | [diff] [blame] | 61 | config KGDB_LOW_LEVEL_TRAP |
| 62 | bool "KGDB: Allow debugging with traps in notifiers" |
| Jason Wessel | 5dd11d5 | 2010-05-20 21:04:26 -0500 | [diff] [blame] | 63 | depends on X86 || MIPS |
| Jason Wessel | f503b5a | 2010-05-20 21:04:25 -0500 | [diff] [blame] | 64 | default n |
| 65 | help |
| 66 | This will add an extra call back to kgdb for the breakpoint |
| 67 | exception handler on which will will allow kgdb to step |
| 68 | through a notify handler. |
| 69 | |
| Jason Wessel | dcc7871 | 2010-05-20 21:04:21 -0500 | [diff] [blame] | 70 | config KGDB_KDB |
| 71 | bool "KGDB_KDB: include kdb frontend for kgdb" |
| 72 | default n |
| 73 | help |
| 74 | KDB frontend for kernel |
| 75 | |
| Jason Wessel | ada64e4 | 2010-05-20 21:04:24 -0500 | [diff] [blame] | 76 | config KDB_KEYBOARD |
| 77 | bool "KGDB_KDB: keyboard as input device" |
| 78 | depends on VT && KGDB_KDB |
| 79 | default n |
| 80 | help |
| 81 | KDB can use a PS/2 type keyboard for an input device |
| 82 | |
| Jan Engelhardt | e024cbd | 2008-04-25 18:35:29 +0200 | [diff] [blame] | 83 | endif # KGDB |