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