111 lines
2.9 KiB
C
111 lines
2.9 KiB
C
/*-
|
|
* Copyright (c) 2004 Marcel Moolenaar
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/kdb.h>
|
|
#include <sys/proc.h>
|
|
|
|
#include <machine/pcb.h>
|
|
|
|
#include <ddb/ddb.h>
|
|
#include <ddb/db_command.h>
|
|
#include <ddb/db_sym.h>
|
|
|
|
void
|
|
db_print_thread(void)
|
|
{
|
|
pid_t pid;
|
|
|
|
pid = -1;
|
|
if (kdb_thread->td_proc != NULL)
|
|
pid = kdb_thread->td_proc->p_pid;
|
|
db_printf("[thread pid %d tid %ld ]\n", pid, (long)kdb_thread->td_tid);
|
|
}
|
|
|
|
void
|
|
db_set_thread(db_expr_t tid, boolean_t hastid, db_expr_t cnt, char *mod)
|
|
{
|
|
struct thread *thr;
|
|
db_expr_t radix;
|
|
int err;
|
|
|
|
/*
|
|
* We parse our own arguments. We don't like the default radix.
|
|
*/
|
|
radix = db_radix;
|
|
db_radix = 10;
|
|
hastid = db_expression(&tid);
|
|
db_radix = radix;
|
|
db_skip_to_eol();
|
|
|
|
if (hastid) {
|
|
thr = kdb_thr_lookup(tid);
|
|
if (thr != NULL) {
|
|
err = kdb_thr_select(thr);
|
|
if (err != 0) {
|
|
db_printf("unable to switch to thread %ld\n",
|
|
(long)thr->td_tid);
|
|
return;
|
|
}
|
|
db_dot = PC_REGS();
|
|
} else {
|
|
db_printf("%d: invalid thread\n", (int)tid);
|
|
return;
|
|
}
|
|
}
|
|
|
|
db_print_thread();
|
|
db_print_loc_and_inst(PC_REGS());
|
|
}
|
|
|
|
void
|
|
db_show_threads(db_expr_t addr, boolean_t hasaddr, db_expr_t cnt, char *mod)
|
|
{
|
|
jmp_buf jb;
|
|
void *prev_jb;
|
|
struct thread *thr;
|
|
int pager_quit;
|
|
|
|
db_setup_paging(db_simple_pager, &pager_quit, db_lines_per_page);
|
|
|
|
pager_quit = 0;
|
|
thr = kdb_thr_first();
|
|
while (!pager_quit && thr != NULL) {
|
|
db_printf(" %6ld (%p) ", (long)thr->td_tid, thr);
|
|
prev_jb = kdb_jmpbuf(jb);
|
|
if (setjmp(jb) == 0) {
|
|
if (db_trace_thread(thr, 1) != 0)
|
|
db_printf("***\n");
|
|
}
|
|
kdb_jmpbuf(prev_jb);
|
|
thr = kdb_thr_next(thr);
|
|
}
|
|
}
|