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 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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>
|
38#include <gdbthread.h>
39#include <inferior.h>
40#include <regcache.h>
41#include <target.h>
42
43#include "kgdb.h"
44
45static struct target_ops kgdb_trgt_ops;
46
47static char *
48kgdb_trgt_extra_thread_info(struct thread_info *ti)
49{
50 static char buf[64];
51 char *p, *s;
52
53 p = buf + snprintf(buf, sizeof(buf), "PID=%d", ptid_get_pid(ti->ptid));
54 s = kgdb_thr_extra_thread_info(ptid_get_tid(ti->ptid));
55 if (s != NULL)
56 snprintf(p, sizeof(buf) - (p - buf), ": %s", s);
57 return (buf);
58}
59
60static void
61kgdb_trgt_files_info(struct target_ops *target)
62{
63 struct target_ops *tb;
64
65 tb = find_target_beneath(target);
66 if (tb->to_files_info != NULL)
67 tb->to_files_info(tb);
68}
69
70static void
71kgdb_trgt_find_new_threads(void)
72{
73 struct target_ops *tb;
74
75 if (kvm != NULL)
76 return;
77
78 tb = find_target_beneath(&kgdb_trgt_ops);
79 if (tb->to_find_new_threads != NULL)
80 tb->to_find_new_threads();
81}
82
83static char *
84kgdb_trgt_pid_to_str(ptid_t ptid)
85{
86 static char buf[33];
87
88 snprintf(buf, sizeof(buf), "Thread %ld", ptid_get_tid(ptid));
89 return (buf);
90}
91
92static int
93kgdb_trgt_thread_alive(ptid_t ptid)
94{
95 return (kgdb_thr_lookup_tid(ptid_get_tid(ptid)) != NULL);
96}
97
98static int
99kgdb_trgt_xfer_memory(CORE_ADDR memaddr, char *myaddr, int len, int write,
100 struct mem_attrib *attrib, struct target_ops *target)
101{
102 struct target_ops *tb;
103
104 if (kvm != NULL) {
105 if (len == 0)
106 return (0);
107 if (!write)
108 return (kvm_read(kvm, memaddr, myaddr, len));
109 else
110 return (kvm_write(kvm, memaddr, myaddr, len));
111 }
112 tb = find_target_beneath(target);
113 return (tb->to_xfer_memory(memaddr, myaddr, len, write, attrib, tb));
114}
115
116void
117kgdb_target(void)
118{
119 struct kthr *kt;
120 struct thread_info *ti;
121
122 kgdb_trgt_ops.to_magic = OPS_MAGIC;
123 kgdb_trgt_ops.to_shortname = "kernel";
124 kgdb_trgt_ops.to_longname = "kernel core files.";
125 kgdb_trgt_ops.to_doc = "Kernel core files.";
126 kgdb_trgt_ops.to_stratum = thread_stratum;
127 kgdb_trgt_ops.to_has_memory = 1;
128 kgdb_trgt_ops.to_has_registers = 1;
129 kgdb_trgt_ops.to_has_stack = 1;
130
131 kgdb_trgt_ops.to_extra_thread_info = kgdb_trgt_extra_thread_info;
132 kgdb_trgt_ops.to_fetch_registers = kgdb_trgt_fetch_registers;
133 kgdb_trgt_ops.to_files_info = kgdb_trgt_files_info;
134 kgdb_trgt_ops.to_find_new_threads = kgdb_trgt_find_new_threads;
135 kgdb_trgt_ops.to_pid_to_str = kgdb_trgt_pid_to_str;
136 kgdb_trgt_ops.to_store_registers = kgdb_trgt_store_registers;
137 kgdb_trgt_ops.to_thread_alive = kgdb_trgt_thread_alive;
138 kgdb_trgt_ops.to_xfer_memory = kgdb_trgt_xfer_memory;
139 add_target(&kgdb_trgt_ops);
140 push_target(&kgdb_trgt_ops);
141
142 kt = kgdb_thr_first();
143 while (kt != NULL) {
144 ti = add_thread(ptid_build(kt->pid, 0, kt->tid));
145 kt = kgdb_thr_next(kt);
146 }
147 if (curkthr != 0)
148 inferior_ptid = ptid_build(curkthr->pid, 0, curkthr->tid);
149}
| 39#include <gdbthread.h>
40#include <inferior.h>
41#include <regcache.h>
42#include <target.h>
43
44#include "kgdb.h"
45
46static struct target_ops kgdb_trgt_ops;
47
48static char *
49kgdb_trgt_extra_thread_info(struct thread_info *ti)
50{
51 static char buf[64];
52 char *p, *s;
53
54 p = buf + snprintf(buf, sizeof(buf), "PID=%d", ptid_get_pid(ti->ptid));
55 s = kgdb_thr_extra_thread_info(ptid_get_tid(ti->ptid));
56 if (s != NULL)
57 snprintf(p, sizeof(buf) - (p - buf), ": %s", s);
58 return (buf);
59}
60
61static void
62kgdb_trgt_files_info(struct target_ops *target)
63{
64 struct target_ops *tb;
65
66 tb = find_target_beneath(target);
67 if (tb->to_files_info != NULL)
68 tb->to_files_info(tb);
69}
70
71static void
72kgdb_trgt_find_new_threads(void)
73{
74 struct target_ops *tb;
75
76 if (kvm != NULL)
77 return;
78
79 tb = find_target_beneath(&kgdb_trgt_ops);
80 if (tb->to_find_new_threads != NULL)
81 tb->to_find_new_threads();
82}
83
84static char *
85kgdb_trgt_pid_to_str(ptid_t ptid)
86{
87 static char buf[33];
88
89 snprintf(buf, sizeof(buf), "Thread %ld", ptid_get_tid(ptid));
90 return (buf);
91}
92
93static int
94kgdb_trgt_thread_alive(ptid_t ptid)
95{
96 return (kgdb_thr_lookup_tid(ptid_get_tid(ptid)) != NULL);
97}
98
99static int
100kgdb_trgt_xfer_memory(CORE_ADDR memaddr, char *myaddr, int len, int write,
101 struct mem_attrib *attrib, struct target_ops *target)
102{
103 struct target_ops *tb;
104
105 if (kvm != NULL) {
106 if (len == 0)
107 return (0);
108 if (!write)
109 return (kvm_read(kvm, memaddr, myaddr, len));
110 else
111 return (kvm_write(kvm, memaddr, myaddr, len));
112 }
113 tb = find_target_beneath(target);
114 return (tb->to_xfer_memory(memaddr, myaddr, len, write, attrib, tb));
115}
116
117void
118kgdb_target(void)
119{
120 struct kthr *kt;
121 struct thread_info *ti;
122
123 kgdb_trgt_ops.to_magic = OPS_MAGIC;
124 kgdb_trgt_ops.to_shortname = "kernel";
125 kgdb_trgt_ops.to_longname = "kernel core files.";
126 kgdb_trgt_ops.to_doc = "Kernel core files.";
127 kgdb_trgt_ops.to_stratum = thread_stratum;
128 kgdb_trgt_ops.to_has_memory = 1;
129 kgdb_trgt_ops.to_has_registers = 1;
130 kgdb_trgt_ops.to_has_stack = 1;
131
132 kgdb_trgt_ops.to_extra_thread_info = kgdb_trgt_extra_thread_info;
133 kgdb_trgt_ops.to_fetch_registers = kgdb_trgt_fetch_registers;
134 kgdb_trgt_ops.to_files_info = kgdb_trgt_files_info;
135 kgdb_trgt_ops.to_find_new_threads = kgdb_trgt_find_new_threads;
136 kgdb_trgt_ops.to_pid_to_str = kgdb_trgt_pid_to_str;
137 kgdb_trgt_ops.to_store_registers = kgdb_trgt_store_registers;
138 kgdb_trgt_ops.to_thread_alive = kgdb_trgt_thread_alive;
139 kgdb_trgt_ops.to_xfer_memory = kgdb_trgt_xfer_memory;
140 add_target(&kgdb_trgt_ops);
141 push_target(&kgdb_trgt_ops);
142
143 kt = kgdb_thr_first();
144 while (kt != NULL) {
145 ti = add_thread(ptid_build(kt->pid, 0, kt->tid));
146 kt = kgdb_thr_next(kt);
147 }
148 if (curkthr != 0)
149 inferior_ptid = ptid_build(curkthr->pid, 0, curkthr->tid);
150}
|