db_trace.c revision 178172 
1/*-
2 * Copyright (c) 2004-2005, Juniper Networks, Inc.
3 * All rights reserved.
4 *
5 *	JNPR: db_trace.c,v 1.8 2007/08/09 11:23:32 katta
6 */
7
8#include <sys/cdefs.h>
9__FBSDID("$FreeBSD: head/sys/mips/mips/db_trace.c 178172 2008-04-13 07:27:37Z imp $");
10
11#include <sys/param.h>
12#include <sys/systm.h>
13#include <sys/kdb.h>
14#include <sys/proc.h>
15#include <sys/stack.h>
16#include <sys/sysent.h>
17
18#include <machine/db_machdep.h>
19#include <machine/md_var.h>
20#include <machine/pcb.h>
21
22#include <ddb/ddb.h>
23
24int
25db_md_set_watchpoint(db_expr_t addr, db_expr_t size)
26{
27
28	return(0);
29}
30
31
32int
33db_md_clr_watchpoint( db_expr_t addr, db_expr_t size)
34{
35
36	return(0);
37}
38
39
40void
41db_md_list_watchpoints()
42{
43}
44
45static int
46db_backtrace(struct thread *td, db_addr_t frame, int count)
47{
48	stacktrace_subr((struct trapframe *)frame,
49	    (int (*) (const char *, ...))db_printf);
50	return (0);
51}
52
53void
54db_trace_self(void)
55{
56	db_trace_thread (curthread, -1);
57	return;
58}
59
60int
61db_trace_thread(struct thread *thr, int count)
62{
63	struct pcb *ctx;
64
65	ctx = kdb_thr_ctx(thr);
66	return (db_backtrace(thr, (db_addr_t) &ctx->pcb_regs, count));
67}
68
69void
70db_show_mdpcpu(struct pcpu *pc)
71{
72
73	db_printf("ipis	    = 0x%x\n", pc->pc_pending_ipis);
74	db_printf("next ASID    = %d\n", pc->pc_next_asid);
75	db_printf("GENID	    = %d\n", pc->pc_asid_generation);
76	return;
77}
78