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>
28__FBSDID("$FreeBSD: head/gnu/usr.bin/gdb/kgdb/trgt.c 178713 2008-05-01 20:36:48Z jhb $");
29
30#include <sys/param.h>
31#include <sys/proc.h>
32#include <sys/sysctl.h>
33#include <sys/user.h>
34#include <err.h>
35#include <fcntl.h>
36#include <kvm.h>
37
38#include <defs.h>
39#include <readline/readline.h>
40#include <readline/tilde.h>
41#include <command.h>
42#include <exec.h>
43#include <frame-unwind.h>
44#include <gdb.h>
45#include <gdbcore.h>
46#include <gdbthread.h>
47#include <inferior.h>
48#include <language.h>
49#include <regcache.h>
50#include <solib.h>
51#include <target.h>
52#include <ui-out.h>
53
54#include "kgdb.h"
55
56static void kgdb_core_cleanup(void *);
57
58static char *vmcore;
59static struct target_ops kgdb_trgt_ops;
60
61kvm_t *kvm;
62static char kvm_err[_POSIX2_LINE_MAX];
63
64#define KERNOFF (kgdb_kernbase ())
65#define INKERNEL(x) ((x) >= KERNOFF)
66
67static CORE_ADDR
68kgdb_kernbase (void)
69{
70 static CORE_ADDR kernbase;
71 struct minimal_symbol *sym;
72
73 if (kernbase == 0) {
74 sym = lookup_minimal_symbol ("kernbase", NULL, NULL);
75 if (sym == NULL) {
76 kernbase = KERNBASE;
77 } else {
78 kernbase = SYMBOL_VALUE_ADDRESS (sym);
79 }
80 }
81 return kernbase;
82}
83
84static void
85kgdb_trgt_open(char *filename, int from_tty)
86{
87 struct cleanup *old_chain;
88 struct thread_info *ti;
89 struct kthr *kt;
90 kvm_t *nkvm;
91 char *temp;
92 int ontop;
93
94 target_preopen (from_tty);
95 if (!filename)
96 error ("No vmcore file specified.");
97 if (!exec_bfd)
98 error ("Can't open a vmcore without a kernel");
99
100 filename = tilde_expand (filename);
101 if (filename[0] != '/') {
102 temp = concat (current_directory, "/", filename, NULL);
103 xfree(filename);
104 filename = temp;
105 }
106
107 old_chain = make_cleanup (xfree, filename);
108
109 nkvm = kvm_openfiles(bfd_get_filename(exec_bfd), filename, NULL,
110 write_files ? O_RDWR : O_RDONLY, kvm_err);
111 if (nkvm == NULL)
112 error ("Failed to open vmcore: %s", kvm_err);
113
114 /* Don't free the filename now and close any previous vmcore. */
115 discard_cleanups(old_chain);
116 unpush_target(&kgdb_trgt_ops);
117
118 kvm = nkvm;
119 vmcore = filename;
120 old_chain = make_cleanup(kgdb_core_cleanup, NULL);
121
122 ontop = !push_target (&kgdb_trgt_ops);
123 discard_cleanups (old_chain);
124
125 kgdb_dmesg();
126
127 init_thread_list();
128 kt = kgdb_thr_init();
129 while (kt != NULL) {
130 ti = add_thread(pid_to_ptid(kt->tid));
131 kt = kgdb_thr_next(kt);
132 }
133 if (curkthr != 0)
134 inferior_ptid = pid_to_ptid(curkthr->tid);
135
136 if (ontop) {
137 /* XXX: fetch registers? */
138 kld_init();
139 flush_cached_frames();
140 select_frame (get_current_frame());
141 print_stack_frame(get_selected_frame(),
142 frame_relative_level(get_selected_frame()), 1);
143 } else
144 warning(
145 "you won't be able to access this vmcore until you terminate\n\
146your %s; do ``info files''", target_longname);
147}
148
149static void
150kgdb_trgt_close(int quitting)
151{
152
153 if (kvm != NULL) {
154 inferior_ptid = null_ptid;
155 CLEAR_SOLIB();
156 if (kvm_close(kvm) != 0)
157 warning("cannot close \"%s\": %s", vmcore,
158 kvm_geterr(kvm));
159 kvm = NULL;
160 xfree(vmcore);
161 vmcore = NULL;
162 if (kgdb_trgt_ops.to_sections) {
163 xfree(kgdb_trgt_ops.to_sections);
164 kgdb_trgt_ops.to_sections = NULL;
165 kgdb_trgt_ops.to_sections_end = NULL;
166 }
167 }
168}
169
170static void
171kgdb_core_cleanup(void *arg)
172{
173
174 kgdb_trgt_close(0);
175}
176
177static void
178kgdb_trgt_detach(char *args, int from_tty)
179{
180
181 if (args)
182 error ("Too many arguments");
183 unpush_target(&kgdb_trgt_ops);
184 reinit_frame_cache();
185 if (from_tty)
186 printf_filtered("No vmcore file now.\n");
187}
188
189static char *
190kgdb_trgt_extra_thread_info(struct thread_info *ti)
191{
192
193 return (kgdb_thr_extra_thread_info(ptid_get_pid(ti->ptid)));
194}
195
196static void
197kgdb_trgt_files_info(struct target_ops *target)
198{
199
200 printf_filtered ("\t`%s', ", vmcore);
201 wrap_here (" ");
202 printf_filtered ("file type %s.\n", "FreeBSD kernel vmcore");
203}
204
205static void
206kgdb_trgt_find_new_threads(void)
207{
208 struct target_ops *tb;
209
210 if (kvm != NULL)
211 return;
212
213 tb = find_target_beneath(&kgdb_trgt_ops);
214 if (tb->to_find_new_threads != NULL)
215 tb->to_find_new_threads();
216}
217
218static char *
219kgdb_trgt_pid_to_str(ptid_t ptid)
220{
221 static char buf[33];
222
223 snprintf(buf, sizeof(buf), "Thread %d", ptid_get_pid(ptid));
224 return (buf);
225}
226
227static int
228kgdb_trgt_thread_alive(ptid_t ptid)
229{
230 return (kgdb_thr_lookup_tid(ptid_get_pid(ptid)) != NULL);
231}
232
233static int
234kgdb_trgt_xfer_memory(CORE_ADDR memaddr, char *myaddr, int len, int write,
235 struct mem_attrib *attrib, struct target_ops *target)
236{
237 struct target_ops *tb;
238
239 if (kvm != NULL) {
240 if (len == 0)
241 return (0);
242 if (!write)
243 return (kvm_read(kvm, memaddr, myaddr, len));
244 else
245 return (kvm_write(kvm, memaddr, myaddr, len));
246 }
247 tb = find_target_beneath(target);
248 return (tb->to_xfer_memory(memaddr, myaddr, len, write, attrib, tb));
249}
250
251static int
252kgdb_trgt_ignore_breakpoints(CORE_ADDR addr, char *contents)
253{
254
255 return 0;
256}
257
258static void
259kgdb_switch_to_thread(int tid)
260{
261 char buf[16];
262 int thread_id;
263
264 thread_id = pid_to_thread_id(pid_to_ptid(tid));
265 if (thread_id == 0)
266 error ("invalid tid");
267 snprintf(buf, sizeof(buf), "%d", thread_id);
268 gdb_thread_select(uiout, buf);
269}
270
271static void
272kgdb_set_proc_cmd (char *arg, int from_tty)
273{
274 CORE_ADDR addr;
275 struct kthr *thr;
276
277 if (!arg)
278 error_no_arg ("proc address for the new context");
279
280 if (kvm == NULL)
281 error ("only supported for core file target");
282
283 addr = (CORE_ADDR) parse_and_eval_address (arg);
284
285 if (!INKERNEL (addr)) {
286 thr = kgdb_thr_lookup_pid((int)addr);
287 if (thr == NULL)
288 error ("invalid pid");
289 } else {
290 thr = kgdb_thr_lookup_paddr(addr);
291 if (thr == NULL)
292 error("invalid proc address");
293 }
294 kgdb_switch_to_thread(thr->tid);
295}
296
297static void
298kgdb_set_tid_cmd (char *arg, int from_tty)
299{
300 CORE_ADDR addr;
301 struct kthr *thr;
302
303 if (!arg)
304 error_no_arg ("TID or thread address for the new context");
305
306 addr = (CORE_ADDR) parse_and_eval_address (arg);
307
308 if (kvm != NULL && INKERNEL (addr)) {
309 thr = kgdb_thr_lookup_taddr(addr);
310 if (thr == NULL)
311 error("invalid thread address");
312 addr = thr->tid;
313 }
314 kgdb_switch_to_thread(addr);
315}
316
317int fbsdcoreops_suppress_target = 1;
318
319void
320initialize_kgdb_target(void)
321{
322
323 kgdb_trgt_ops.to_magic = OPS_MAGIC;
324 kgdb_trgt_ops.to_shortname = "kernel";
325 kgdb_trgt_ops.to_longname = "kernel core dump file";
326 kgdb_trgt_ops.to_doc =
327 "Use a vmcore file as a target. Specify the filename of the vmcore file.";
328 kgdb_trgt_ops.to_stratum = core_stratum;
329 kgdb_trgt_ops.to_has_memory = 1;
330 kgdb_trgt_ops.to_has_registers = 1;
331 kgdb_trgt_ops.to_has_stack = 1;
332
333 kgdb_trgt_ops.to_open = kgdb_trgt_open;
334 kgdb_trgt_ops.to_close = kgdb_trgt_close;
335 kgdb_trgt_ops.to_attach = find_default_attach;
336 kgdb_trgt_ops.to_detach = kgdb_trgt_detach;
337 kgdb_trgt_ops.to_extra_thread_info = kgdb_trgt_extra_thread_info;
338 kgdb_trgt_ops.to_fetch_registers = kgdb_trgt_fetch_registers;
339 kgdb_trgt_ops.to_files_info = kgdb_trgt_files_info;
340 kgdb_trgt_ops.to_find_new_threads = kgdb_trgt_find_new_threads;
341 kgdb_trgt_ops.to_pid_to_str = kgdb_trgt_pid_to_str;
342 kgdb_trgt_ops.to_store_registers = kgdb_trgt_store_registers;
343 kgdb_trgt_ops.to_thread_alive = kgdb_trgt_thread_alive;
344 kgdb_trgt_ops.to_xfer_memory = kgdb_trgt_xfer_memory;
345 kgdb_trgt_ops.to_insert_breakpoint = kgdb_trgt_ignore_breakpoints;
346 kgdb_trgt_ops.to_remove_breakpoint = kgdb_trgt_ignore_breakpoints;
347
348 add_target(&kgdb_trgt_ops);
349
350 add_com ("proc", class_obscure, kgdb_set_proc_cmd,
351 "Set current process context");
352 add_com ("tid", class_obscure, kgdb_set_tid_cmd,
353 "Set current thread context");
354}
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>
28__FBSDID("$FreeBSD: head/gnu/usr.bin/gdb/kgdb/trgt.c 178713 2008-05-01 20:36:48Z jhb $");
29
30#include <sys/param.h>
31#include <sys/proc.h>
32#include <sys/sysctl.h>
33#include <sys/user.h>
34#include <err.h>
35#include <fcntl.h>
36#include <kvm.h>
37
38#include <defs.h>
39#include <readline/readline.h>
40#include <readline/tilde.h>
41#include <command.h>
42#include <exec.h>
43#include <frame-unwind.h>
44#include <gdb.h>
45#include <gdbcore.h>
46#include <gdbthread.h>
47#include <inferior.h>
48#include <language.h>
49#include <regcache.h>
50#include <solib.h>
51#include <target.h>
52#include <ui-out.h>
53
54#include "kgdb.h"
55
56static void kgdb_core_cleanup(void *);
57
58static char *vmcore;
59static struct target_ops kgdb_trgt_ops;
60
61kvm_t *kvm;
62static char kvm_err[_POSIX2_LINE_MAX];
63
64#define KERNOFF (kgdb_kernbase ())
65#define INKERNEL(x) ((x) >= KERNOFF)
66
67static CORE_ADDR
68kgdb_kernbase (void)
69{
70 static CORE_ADDR kernbase;
71 struct minimal_symbol *sym;
72
73 if (kernbase == 0) {
74 sym = lookup_minimal_symbol ("kernbase", NULL, NULL);
75 if (sym == NULL) {
76 kernbase = KERNBASE;
77 } else {
78 kernbase = SYMBOL_VALUE_ADDRESS (sym);
79 }
80 }
81 return kernbase;
82}
83
84static void
85kgdb_trgt_open(char *filename, int from_tty)
86{
87 struct cleanup *old_chain;
88 struct thread_info *ti;
89 struct kthr *kt;
90 kvm_t *nkvm;
91 char *temp;
92 int ontop;
93
94 target_preopen (from_tty);
95 if (!filename)
96 error ("No vmcore file specified.");
97 if (!exec_bfd)
98 error ("Can't open a vmcore without a kernel");
99
100 filename = tilde_expand (filename);
101 if (filename[0] != '/') {
102 temp = concat (current_directory, "/", filename, NULL);
103 xfree(filename);
104 filename = temp;
105 }
106
107 old_chain = make_cleanup (xfree, filename);
108
109 nkvm = kvm_openfiles(bfd_get_filename(exec_bfd), filename, NULL,
110 write_files ? O_RDWR : O_RDONLY, kvm_err);
111 if (nkvm == NULL)
112 error ("Failed to open vmcore: %s", kvm_err);
113
114 /* Don't free the filename now and close any previous vmcore. */
115 discard_cleanups(old_chain);
116 unpush_target(&kgdb_trgt_ops);
117
118 kvm = nkvm;
119 vmcore = filename;
120 old_chain = make_cleanup(kgdb_core_cleanup, NULL);
121
122 ontop = !push_target (&kgdb_trgt_ops);
123 discard_cleanups (old_chain);
124
125 kgdb_dmesg();
126
127 init_thread_list();
128 kt = kgdb_thr_init();
129 while (kt != NULL) {
130 ti = add_thread(pid_to_ptid(kt->tid));
131 kt = kgdb_thr_next(kt);
132 }
133 if (curkthr != 0)
134 inferior_ptid = pid_to_ptid(curkthr->tid);
135
136 if (ontop) {
137 /* XXX: fetch registers? */
138 kld_init();
139 flush_cached_frames();
140 select_frame (get_current_frame());
141 print_stack_frame(get_selected_frame(),
142 frame_relative_level(get_selected_frame()), 1);
143 } else
144 warning(
145 "you won't be able to access this vmcore until you terminate\n\
146your %s; do ``info files''", target_longname);
147}
148
149static void
150kgdb_trgt_close(int quitting)
151{
152
153 if (kvm != NULL) {
154 inferior_ptid = null_ptid;
155 CLEAR_SOLIB();
156 if (kvm_close(kvm) != 0)
157 warning("cannot close \"%s\": %s", vmcore,
158 kvm_geterr(kvm));
159 kvm = NULL;
160 xfree(vmcore);
161 vmcore = NULL;
162 if (kgdb_trgt_ops.to_sections) {
163 xfree(kgdb_trgt_ops.to_sections);
164 kgdb_trgt_ops.to_sections = NULL;
165 kgdb_trgt_ops.to_sections_end = NULL;
166 }
167 }
168}
169
170static void
171kgdb_core_cleanup(void *arg)
172{
173
174 kgdb_trgt_close(0);
175}
176
177static void
178kgdb_trgt_detach(char *args, int from_tty)
179{
180
181 if (args)
182 error ("Too many arguments");
183 unpush_target(&kgdb_trgt_ops);
184 reinit_frame_cache();
185 if (from_tty)
186 printf_filtered("No vmcore file now.\n");
187}
188
189static char *
190kgdb_trgt_extra_thread_info(struct thread_info *ti)
191{
192
193 return (kgdb_thr_extra_thread_info(ptid_get_pid(ti->ptid)));
194}
195
196static void
197kgdb_trgt_files_info(struct target_ops *target)
198{
199
200 printf_filtered ("\t`%s', ", vmcore);
201 wrap_here (" ");
202 printf_filtered ("file type %s.\n", "FreeBSD kernel vmcore");
203}
204
205static void
206kgdb_trgt_find_new_threads(void)
207{
208 struct target_ops *tb;
209
210 if (kvm != NULL)
211 return;
212
213 tb = find_target_beneath(&kgdb_trgt_ops);
214 if (tb->to_find_new_threads != NULL)
215 tb->to_find_new_threads();
216}
217
218static char *
219kgdb_trgt_pid_to_str(ptid_t ptid)
220{
221 static char buf[33];
222
223 snprintf(buf, sizeof(buf), "Thread %d", ptid_get_pid(ptid));
224 return (buf);
225}
226
227static int
228kgdb_trgt_thread_alive(ptid_t ptid)
229{
230 return (kgdb_thr_lookup_tid(ptid_get_pid(ptid)) != NULL);
231}
232
233static int
234kgdb_trgt_xfer_memory(CORE_ADDR memaddr, char *myaddr, int len, int write,
235 struct mem_attrib *attrib, struct target_ops *target)
236{
237 struct target_ops *tb;
238
239 if (kvm != NULL) {
240 if (len == 0)
241 return (0);
242 if (!write)
243 return (kvm_read(kvm, memaddr, myaddr, len));
244 else
245 return (kvm_write(kvm, memaddr, myaddr, len));
246 }
247 tb = find_target_beneath(target);
248 return (tb->to_xfer_memory(memaddr, myaddr, len, write, attrib, tb));
249}
250
251static int
252kgdb_trgt_ignore_breakpoints(CORE_ADDR addr, char *contents)
253{
254
255 return 0;
256}
257
258static void
259kgdb_switch_to_thread(int tid)
260{
261 char buf[16];
262 int thread_id;
263
264 thread_id = pid_to_thread_id(pid_to_ptid(tid));
265 if (thread_id == 0)
266 error ("invalid tid");
267 snprintf(buf, sizeof(buf), "%d", thread_id);
268 gdb_thread_select(uiout, buf);
269}
270
271static void
272kgdb_set_proc_cmd (char *arg, int from_tty)
273{
274 CORE_ADDR addr;
275 struct kthr *thr;
276
277 if (!arg)
278 error_no_arg ("proc address for the new context");
279
280 if (kvm == NULL)
281 error ("only supported for core file target");
282
283 addr = (CORE_ADDR) parse_and_eval_address (arg);
284
285 if (!INKERNEL (addr)) {
286 thr = kgdb_thr_lookup_pid((int)addr);
287 if (thr == NULL)
288 error ("invalid pid");
289 } else {
290 thr = kgdb_thr_lookup_paddr(addr);
291 if (thr == NULL)
292 error("invalid proc address");
293 }
294 kgdb_switch_to_thread(thr->tid);
295}
296
297static void
298kgdb_set_tid_cmd (char *arg, int from_tty)
299{
300 CORE_ADDR addr;
301 struct kthr *thr;
302
303 if (!arg)
304 error_no_arg ("TID or thread address for the new context");
305
306 addr = (CORE_ADDR) parse_and_eval_address (arg);
307
308 if (kvm != NULL && INKERNEL (addr)) {
309 thr = kgdb_thr_lookup_taddr(addr);
310 if (thr == NULL)
311 error("invalid thread address");
312 addr = thr->tid;
313 }
314 kgdb_switch_to_thread(addr);
315}
316
317int fbsdcoreops_suppress_target = 1;
318
319void
320initialize_kgdb_target(void)
321{
322
323 kgdb_trgt_ops.to_magic = OPS_MAGIC;
324 kgdb_trgt_ops.to_shortname = "kernel";
325 kgdb_trgt_ops.to_longname = "kernel core dump file";
326 kgdb_trgt_ops.to_doc =
327 "Use a vmcore file as a target. Specify the filename of the vmcore file.";
328 kgdb_trgt_ops.to_stratum = core_stratum;
329 kgdb_trgt_ops.to_has_memory = 1;
330 kgdb_trgt_ops.to_has_registers = 1;
331 kgdb_trgt_ops.to_has_stack = 1;
332
333 kgdb_trgt_ops.to_open = kgdb_trgt_open;
334 kgdb_trgt_ops.to_close = kgdb_trgt_close;
335 kgdb_trgt_ops.to_attach = find_default_attach;
336 kgdb_trgt_ops.to_detach = kgdb_trgt_detach;
337 kgdb_trgt_ops.to_extra_thread_info = kgdb_trgt_extra_thread_info;
338 kgdb_trgt_ops.to_fetch_registers = kgdb_trgt_fetch_registers;
339 kgdb_trgt_ops.to_files_info = kgdb_trgt_files_info;
340 kgdb_trgt_ops.to_find_new_threads = kgdb_trgt_find_new_threads;
341 kgdb_trgt_ops.to_pid_to_str = kgdb_trgt_pid_to_str;
342 kgdb_trgt_ops.to_store_registers = kgdb_trgt_store_registers;
343 kgdb_trgt_ops.to_thread_alive = kgdb_trgt_thread_alive;
344 kgdb_trgt_ops.to_xfer_memory = kgdb_trgt_xfer_memory;
345 kgdb_trgt_ops.to_insert_breakpoint = kgdb_trgt_ignore_breakpoints;
346 kgdb_trgt_ops.to_remove_breakpoint = kgdb_trgt_ignore_breakpoints;
347
348 add_target(&kgdb_trgt_ops);
349
350 add_com ("proc", class_obscure, kgdb_set_proc_cmd,
351 "Set current process context");
352 add_com ("tid", class_obscure, kgdb_set_tid_cmd,
353 "Set current thread context");
354}