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kthr.c (132624) kthr.c (142151)
1/*
2 * Copyright (c) 2004 Marcel Moolenaar
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *

--- 11 unchanged lines hidden (view full) ---

20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
1/*
2 * Copyright (c) 2004 Marcel Moolenaar
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *

--- 11 unchanged lines hidden (view full) ---

20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
28__FBSDID("$FreeBSD: head/gnu/usr.bin/gdb/kgdb/kthr.c 132624 2004-07-25 05:29:15Z marcel $");
28__FBSDID("$FreeBSD: head/gnu/usr.bin/gdb/kgdb/kthr.c 142151 2005-02-20 22:55:07Z kan $");
29
30#include <sys/param.h>
31#include <sys/proc.h>
32#include <sys/types.h>
33#include <sys/signal.h>
34#include <err.h>
35#include <inttypes.h>
36#include <kvm.h>
37#include <stdio.h>
38#include <stdlib.h>
39
29
30#include <sys/param.h>
31#include <sys/proc.h>
32#include <sys/types.h>
33#include <sys/signal.h>
34#include <err.h>
35#include <inttypes.h>
36#include <kvm.h>
37#include <stdio.h>
38#include <stdlib.h>
39
40#include <defs.h>
41
40#include "kgdb.h"
41
42static uintptr_t dumppcb;
43static int dumptid;
44
45static struct kthr *first;
46struct kthr *curkthr;
47

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97 warnx("kvm_read: %s", kvm_geterr(kvm));
98 kt = malloc(sizeof(*kt));
99 kt->next = first;
100 kt->kaddr = addr;
101 kt->pcb = (td.td_tid == dumptid) ? dumppcb :
102 (uintptr_t)td.td_pcb;
103 kt->kstack = td.td_kstack;
104 kt->tid = td.td_tid;
42#include "kgdb.h"
43
44static uintptr_t dumppcb;
45static int dumptid;
46
47static struct kthr *first;
48struct kthr *curkthr;
49

--- 49 unchanged lines hidden (view full) ---

99 warnx("kvm_read: %s", kvm_geterr(kvm));
100 kt = malloc(sizeof(*kt));
101 kt->next = first;
102 kt->kaddr = addr;
103 kt->pcb = (td.td_tid == dumptid) ? dumppcb :
104 (uintptr_t)td.td_pcb;
105 kt->kstack = td.td_kstack;
106 kt->tid = td.td_tid;
107 kt->pid = p.p_pid;
108 kt->paddr = paddr;
105 first = kt;
106 addr = (uintptr_t)TAILQ_NEXT(&td, td_plist);
107 }
108 paddr = (uintptr_t)LIST_NEXT(&p, p_list);
109 }
109 first = kt;
110 addr = (uintptr_t)TAILQ_NEXT(&td, td_plist);
111 }
112 paddr = (uintptr_t)LIST_NEXT(&p, p_list);
113 }
110 curkthr = kgdb_thr_lookup(dumptid);
114 curkthr = kgdb_thr_lookup_tid(dumptid);
111 if (curkthr == NULL)
112 curkthr = first;
113 return (first);
114}
115
116struct kthr *
115 if (curkthr == NULL)
116 curkthr = first;
117 return (first);
118}
119
120struct kthr *
117kgdb_thr_lookup(int tid)
121kgdb_thr_lookup_tid(int tid)
118{
119 struct kthr *kt;
120
121 kt = first;
122 while (kt != NULL && kt->tid != tid)
123 kt = kt->next;
124 return (kt);
125}
126
127struct kthr *
122{
123 struct kthr *kt;
124
125 kt = first;
126 while (kt != NULL && kt->tid != tid)
127 kt = kt->next;
128 return (kt);
129}
130
131struct kthr *
132kgdb_thr_lookup_taddr(uintptr_t taddr)
133{
134 struct kthr *kt;
135
136 kt = first;
137 while (kt != NULL && kt->kaddr != taddr)
138 kt = kt->next;
139 return (kt);
140}
141
142struct kthr *
143kgdb_thr_lookup_pid(int pid)
144{
145 struct kthr *kt;
146
147 kt = first;
148 while (kt != NULL && kt->pid != pid)
149 kt = kt->next;
150 return (kt);
151}
152
153struct kthr *
154kgdb_thr_lookup_paddr(uintptr_t paddr)
155{
156 struct kthr *kt;
157
158 kt = first;
159 while (kt != NULL && kt->paddr != paddr)
160 kt = kt->next;
161 return (kt);
162}
163
164struct kthr *
128kgdb_thr_next(struct kthr *kt)
129{
130 return (kt->next);
131}
132
133struct kthr *
134kgdb_thr_select(struct kthr *kt)
135{
136 struct kthr *pcur;
137
138 pcur = curkthr;
139 curkthr = kt;
140 return (pcur);
141}
165kgdb_thr_next(struct kthr *kt)
166{
167 return (kt->next);
168}
169
170struct kthr *
171kgdb_thr_select(struct kthr *kt)
172{
173 struct kthr *pcur;
174
175 pcur = curkthr;
176 curkthr = kt;
177 return (pcur);
178}
179
180char *
181kgdb_thr_extra_thread_info(int tid)
182{
183 struct kthr *kt;
184 struct proc *p;
185 static char comm[MAXCOMLEN + 1];
186
187 kt = kgdb_thr_lookup_tid(tid);
188 if (kt == NULL)
189 return (NULL);
190 p = (struct proc *)kt->paddr;
191 if (kvm_read(kvm, (uintptr_t)&p->p_comm[0], &comm, sizeof(comm)) !=
192 sizeof(comm))
193 return (NULL);
194
195 return (comm);
196}