diff options
Diffstat (limited to 'sys/ddb/db_command.c')
| -rw-r--r-- | sys/ddb/db_command.c | 45 |
1 files changed, 43 insertions, 2 deletions
diff --git a/sys/ddb/db_command.c b/sys/ddb/db_command.c index 30740ab..03fd662 100644 --- a/sys/ddb/db_command.c +++ b/sys/ddb/db_command.c @@ -70,6 +70,7 @@ static db_cmdfcn_t db_fncall; static db_cmdfcn_t db_gdb; static db_cmdfcn_t db_kill; static db_cmdfcn_t db_reset; +static db_cmdfcn_t db_stack_trace; static db_cmdfcn_t db_watchdog; /* XXX this is actually forward-static. */ @@ -410,8 +411,8 @@ static struct command db_command_table[] = { { "until", db_trace_until_call_cmd,0, 0 }, { "next", db_trace_until_matching_cmd,0, 0 }, { "match", db_trace_until_matching_cmd,0, 0 }, - { "trace", db_stack_trace_cmd, 0, 0 }, - { "where", db_stack_trace_cmd, 0, 0 }, + { "trace", db_stack_trace, 0, 0 }, + { "where", db_stack_trace, 0, 0 }, { "call", db_fncall, CS_OWN, 0 }, { "show", 0, 0, db_show_cmds }, { "ps", db_ps, 0, 0 }, @@ -623,3 +624,43 @@ db_gdb(db_expr_t dummy1, boolean_t dummy2, db_expr_t dummy3, char *dummy4) else db_printf("Step to enter the remote GDB backend.\n"); } + +static void +db_stack_trace(db_expr_t tid, boolean_t hastid, db_expr_t count, char *modif) +{ + struct thread *td; + db_expr_t radix; + int t; + + /* + * We parse our own arguments. We don't like the default radix. + */ + radix = db_radix; + db_radix = 10; + hastid = db_expression(&tid); + t = db_read_token(); + if (t == tCOMMA) { + if (!db_expression(&count)) { + db_printf("Count missing\n"); + db_flush_lex(); + return; + } + } else { + db_unread_token(t); + count = -1; + } + db_skip_to_eol(); + db_radix = radix; + + if (hastid) { + td = kdb_thr_lookup((lwpid_t)tid); + if (td == NULL) + td = kdb_thr_from_pid((pid_t)tid); + if (td == NULL) { + db_printf("Thread %d not found\n", (int)tid); + return; + } + } else + td = kdb_thread; + db_trace_thread(td, count); +} |
