xref: /titanic_41/usr/src/cmd/mdb/common/modules/genunix/contract.c (revision 7c478bd95313f5f23a4c958a745db2134aa03244)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
28 
29 #include <mdb/mdb_modapi.h>
30 #include <sys/types.h>
31 #include <sys/contract_impl.h>
32 
33 int
ct_walk_init(mdb_walk_state_t * wsp)34 ct_walk_init(mdb_walk_state_t *wsp)
35 {
36 	if (wsp->walk_addr != NULL) {
37 		wsp->walk_addr = wsp->walk_addr +
38 		    OFFSETOF(ct_type_t, ct_type_avl);
39 	} else {
40 		GElf_Sym sym;
41 		if (mdb_lookup_by_name("contract_avl", &sym)) {
42 			mdb_warn("failed to read contract_avl");
43 			return (WALK_ERR);
44 		}
45 		wsp->walk_addr = sym.st_value;
46 	}
47 
48 	if (mdb_layered_walk("avl", wsp) == -1)
49 		return (WALK_ERR);
50 
51 	return (WALK_NEXT);
52 }
53 
54 int
ct_event_walk_init(mdb_walk_state_t * wsp)55 ct_event_walk_init(mdb_walk_state_t *wsp)
56 {
57 	if (wsp->walk_addr == NULL) {
58 		mdb_warn("ct_event walker requires ct_equeue address\n");
59 		return (WALK_ERR);
60 	}
61 
62 	wsp->walk_addr = wsp->walk_addr +
63 	    OFFSETOF(ct_equeue_t, ctq_events);
64 
65 	if (mdb_layered_walk("list", wsp) == -1)
66 		return (WALK_ERR);
67 
68 	return (WALK_NEXT);
69 }
70 
71 int
ct_listener_walk_init(mdb_walk_state_t * wsp)72 ct_listener_walk_init(mdb_walk_state_t *wsp)
73 {
74 	if (wsp->walk_addr == NULL) {
75 		mdb_warn("ct_listener walker requires ct_equeue address\n");
76 		return (WALK_ERR);
77 	}
78 
79 	wsp->walk_addr = wsp->walk_addr +
80 	    OFFSETOF(ct_equeue_t, ctq_listeners);
81 
82 	if (mdb_layered_walk("list", wsp) == -1)
83 		return (WALK_ERR);
84 
85 	return (WALK_NEXT);
86 }
87 
88 
89 /* ARGSUSED */
90 int
cmd_contract(uintptr_t addr,uint_t flags,int argc,const mdb_arg_t * argv)91 cmd_contract(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
92 {
93 	contract_t ct;
94 	ct_type_t ctt;
95 	char str[32];
96 
97 	if (!(flags & DCMD_ADDRSPEC)) {
98 		if (mdb_walk_dcmd("contract", "contract", argc, argv) == -1) {
99 			mdb_warn("can't walk 'contract'");
100 			return (DCMD_ERR);
101 		}
102 		return (DCMD_OK);
103 	}
104 
105 	if (DCMD_HDRSPEC(flags))
106 		mdb_printf("%<u>%?s %8s %8s %8s %?s %?s%</u>\n",
107 		    "ADDR", "ID", "TYPE", "STATE", "OWNER", "REGENT");
108 
109 	if (mdb_vread(&ct, sizeof (ct), addr) != sizeof (ct)) {
110 		mdb_warn("error reading contract_t at %p", addr);
111 		return (DCMD_ERR);
112 	}
113 	if (mdb_vread(&ctt, sizeof (ctt), (uintptr_t)ct.ct_type) !=
114 	    sizeof (ctt)) {
115 		mdb_warn("error reading ct_type_t at %p", ct.ct_type);
116 		return (DCMD_ERR);
117 	}
118 	if (mdb_readstr(str, sizeof (str), (uintptr_t)ctt.ct_type_name) == -1) {
119 		mdb_warn("error reading contract type name at %p",
120 		    ctt.ct_type_name);
121 		return (DCMD_ERR);
122 	}
123 
124 	mdb_printf("%0?p %8d %8s %8s %?p %?p\n", addr, ct.ct_id, str,
125 	    (ct.ct_state == CTS_OWNED) ? "owned" :
126 	    (ct.ct_state == CTS_INHERITED) ? "inherit" :
127 	    (ct.ct_state == CTS_ORPHAN) ? "orphan" : "dead",
128 	    ct.ct_owner, ct.ct_regent);
129 
130 	return (DCMD_OK);
131 }
132 
133 const mdb_bitmask_t ct_event_flags[] = {
134 	{ "ACK", CTE_ACK, CTE_ACK },
135 	{ "INFO", CTE_INFO, CTE_INFO },
136 	{ "NEG", CTE_NEG, CTE_NEG },
137 	{ NULL }
138 };
139 
140 
141 /* ARGSUSED */
142 int
cmd_ctevent(uintptr_t addr,uint_t flags,int argc,const mdb_arg_t * argv)143 cmd_ctevent(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
144 {
145 	ct_kevent_t cte;
146 
147 	if (!(flags & DCMD_ADDRSPEC))
148 		return (DCMD_USAGE);
149 
150 	if (DCMD_HDRSPEC(flags))
151 		mdb_printf("%<u>%12s %8s %12s %6s %12s %12s %s%</u>\n",
152 		    "ADDR", "ID", "CONTRACT", "TYPE", "DATA", "GDATA", "FLAGS");
153 
154 	if (mdb_vread(&cte, sizeof (cte), addr) != sizeof (cte)) {
155 		mdb_warn("error reading ct_kevent_t at %p", addr);
156 		return (DCMD_ERR);
157 	}
158 
159 	mdb_printf("%12p %8llu %12p %6d %12p %12p %b\n", addr, cte.cte_id,
160 	    cte.cte_contract, cte.cte_type, cte.cte_data, cte.cte_gdata,
161 	    cte.cte_flags, ct_event_flags);
162 
163 	return (DCMD_OK);
164 }
165 
166 typedef struct findct_data {
167 	uintptr_t fc_ctid;
168 	uintptr_t fc_addr;
169 	boolean_t fc_found;
170 } findct_data_t;
171 
172 static int
findct(uintptr_t addr,contract_t * ct,findct_data_t * arg)173 findct(uintptr_t addr, contract_t *ct, findct_data_t *arg)
174 {
175 	if (ct->ct_id == arg->fc_ctid) {
176 		arg->fc_found = B_TRUE;
177 		arg->fc_addr = addr;
178 		return (WALK_DONE);
179 	}
180 
181 	return (WALK_NEXT);
182 }
183 
184 /* ARGSUSED */
185 int
cmd_ctid(uintptr_t addr,uint_t flags,int argc,const mdb_arg_t * argv)186 cmd_ctid(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
187 {
188 	findct_data_t fcdata;
189 
190 	if (!(flags & DCMD_ADDRSPEC))
191 		return (DCMD_USAGE);
192 
193 	fcdata.fc_ctid = addr;
194 	fcdata.fc_found = B_FALSE;
195 	if (mdb_walk("contract", (mdb_walk_cb_t)findct, &fcdata) == -1 ||
196 	    !fcdata.fc_found)
197 		return (DCMD_ERR);
198 
199 	mdb_printf("%lr", fcdata.fc_addr);
200 
201 	return (DCMD_OK);
202 }
203