2 * Copyright (c) 2004 Marcel Moolenaar
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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.
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
30 #include <sys/param.h>
32 #include <sys/sysctl.h>
38 #include <frame-unwind.h>
39 #include <gdbthread.h>
46 static struct target_ops kgdb_trgt_ops;
49 kgdb_trgt_extra_thread_info(struct thread_info *ti)
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));
57 snprintf(p, sizeof(buf) - (p - buf), ": %s", s);
62 kgdb_trgt_files_info(struct target_ops *target)
64 struct target_ops *tb;
66 tb = find_target_beneath(target);
67 if (tb->to_files_info != NULL)
68 tb->to_files_info(tb);
72 kgdb_trgt_find_new_threads(void)
74 struct target_ops *tb;
79 tb = find_target_beneath(&kgdb_trgt_ops);
80 if (tb->to_find_new_threads != NULL)
81 tb->to_find_new_threads();
85 kgdb_trgt_pid_to_str(ptid_t ptid)
89 snprintf(buf, sizeof(buf), "Thread %ld", ptid_get_tid(ptid));
94 kgdb_trgt_thread_alive(ptid_t ptid)
96 return (kgdb_thr_lookup_tid(ptid_get_tid(ptid)) != NULL);
100 kgdb_trgt_xfer_memory(CORE_ADDR memaddr, char *myaddr, int len, int write,
101 struct mem_attrib *attrib, struct target_ops *target)
103 struct target_ops *tb;
109 return (kvm_read(kvm, memaddr, myaddr, len));
111 return (kvm_write(kvm, memaddr, myaddr, len));
113 tb = find_target_beneath(target);
114 return (tb->to_xfer_memory(memaddr, myaddr, len, write, attrib, tb));
121 struct thread_info *ti;
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;
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);
143 kt = kgdb_thr_first();
145 ti = add_thread(ptid_build(kt->pid, 0, kt->tid));
146 kt = kgdb_thr_next(kt);
149 inferior_ptid = ptid_build(curkthr->pid, 0, curkthr->tid);