diff options
Diffstat (limited to 'sys/kern/subr_kdb.c')
| -rw-r--r-- | sys/kern/subr_kdb.c | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/sys/kern/subr_kdb.c b/sys/kern/subr_kdb.c index 9ca34b1..59d6258 100644 --- a/sys/kern/subr_kdb.c +++ b/sys/kern/subr_kdb.c @@ -73,7 +73,7 @@ struct trapframe *kdb_frame = NULL; static int kdb_break_to_debugger = KDB_BREAK_TO_DEBUGGER; static int kdb_alt_break_to_debugger = KDB_ALT_BREAK_TO_DEBUGGER; -KDB_BACKEND(null, NULL, NULL, NULL); +KDB_BACKEND(null, NULL, NULL, NULL, NULL); SET_DECLARE(kdb_dbbe_set, struct kdb_dbbe); static int kdb_sysctl_available(SYSCTL_HANDLER_ARGS); @@ -376,6 +376,7 @@ kdb_backtrace(void) struct stack st; printf("KDB: stack backtrace:\n"); + stack_zero(&st); stack_save(&st); stack_print_ddb(&st); } @@ -383,6 +384,30 @@ kdb_backtrace(void) } /* + * Similar to kdb_backtrace() except that it prints a backtrace of an + * arbitrary thread rather than the calling thread. + */ +void +kdb_backtrace_thread(struct thread *td) +{ + + if (kdb_dbbe != NULL && kdb_dbbe->dbbe_trace_thread != NULL) { + printf("KDB: stack backtrace of thread %d:\n", td->td_tid); + kdb_dbbe->dbbe_trace_thread(td); + } +#ifdef STACK + else { + struct stack st; + + printf("KDB: stack backtrace of thread %d:\n", td->td_tid); + stack_zero(&st); + stack_save_td(&st, td); + stack_print_ddb(&st); + } +#endif +} + +/* * Set/change the current backend. */ |
