1/*
2 * Copyright (c) 2004 Marcel Moolenaar
3 * Copyright (c) 2005 David Xu
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28#include <sys/cdefs.h>
| 1/*
2 * Copyright (c) 2004 Marcel Moolenaar
3 * Copyright (c) 2005 David Xu
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28#include <sys/cdefs.h>
|
29__FBSDID("$FreeBSD: head/lib/libthread_db/libthr_db.c 180982 2008-07-30 00:59:19Z marcel $");
| 29__FBSDID("$FreeBSD: head/lib/libthread_db/libthr_db.c 181341 2008-08-06 03:14:18Z marcel $");
|
30
31#include <proc_service.h>
32#include <stddef.h>
33#include <stdlib.h>
34#include <string.h>
35#include <sys/types.h>
36#include <sys/linker_set.h>
37#include <sys/ptrace.h>
38#include <thread_db.h>
39#include <unistd.h>
40
41#include "thread_db_int.h"
42
43#define TERMINATED 1
44
45struct td_thragent {
46 TD_THRAGENT_FIELDS;
47 psaddr_t libthr_debug_addr;
48 psaddr_t thread_list_addr;
49 psaddr_t thread_active_threads_addr;
50 psaddr_t thread_keytable_addr;
51 psaddr_t thread_last_event_addr;
52 psaddr_t thread_event_mask_addr;
53 psaddr_t thread_bp_create_addr;
54 psaddr_t thread_bp_death_addr;
55 int thread_off_dtv;
56 int thread_off_tlsindex;
57 int thread_off_attr_flags;
58 int thread_size_key;
59 int thread_off_tcb;
60 int thread_off_linkmap;
61 int thread_off_next;
62 int thread_off_state;
63 int thread_off_tid;
64 int thread_max_keys;
65 int thread_off_key_allocated;
66 int thread_off_key_destructor;
67 int thread_off_report_events;
68 int thread_off_event_mask;
69 int thread_off_event_buf;
70 int thread_state_zoombie;
71 int thread_state_running;
72};
73
74#define P2T(c) ps2td(c)
75
76static int pt_validate(const td_thrhandle_t *th);
77
78static int
79ps2td(int c)
80{
81 switch (c) {
82 case PS_OK:
83 return TD_OK;
84 case PS_ERR:
85 return TD_ERR;
86 case PS_BADPID:
87 return TD_BADPH;
88 case PS_BADLID:
89 return TD_NOLWP;
90 case PS_BADADDR:
91 return TD_ERR;
92 case PS_NOSYM:
93 return TD_NOLIBTHREAD;
94 case PS_NOFREGS:
95 return TD_NOFPREGS;
96 default:
97 return TD_ERR;
98 }
99}
100
101static td_err_e
102pt_init(void)
103{
104 return (0);
105}
106
107static td_err_e
108pt_ta_new(struct ps_prochandle *ph, td_thragent_t **pta)
109{
110#define LOOKUP_SYM(proc, sym, addr) \
111 ret = ps_pglobal_lookup(proc, NULL, sym, addr); \
112 if (ret != 0) { \
113 TDBG("can not find symbol: %s\n", sym); \
114 ret = TD_NOLIBTHREAD; \
115 goto error; \
116 }
117
118#define LOOKUP_VAL(proc, sym, val) \
119 ret = ps_pglobal_lookup(proc, NULL, sym, &vaddr);\
120 if (ret != 0) { \
121 TDBG("can not find symbol: %s\n", sym); \
122 ret = TD_NOLIBTHREAD; \
123 goto error; \
124 } \
125 ret = ps_pread(proc, vaddr, val, sizeof(int)); \
126 if (ret != 0) { \
127 TDBG("can not read value of %s\n", sym);\
128 ret = TD_NOLIBTHREAD; \
129 goto error; \
130 }
131
132 td_thragent_t *ta;
133 psaddr_t vaddr;
134 int dbg;
135 int ret;
136
137 TDBG_FUNC();
138
139 ta = malloc(sizeof(td_thragent_t));
140 if (ta == NULL)
141 return (TD_MALLOC);
142
143 ta->ph = ph;
144
145 LOOKUP_SYM(ph, "_libthr_debug", &ta->libthr_debug_addr);
146 LOOKUP_SYM(ph, "_thread_list", &ta->thread_list_addr);
147 LOOKUP_SYM(ph, "_thread_active_threads",&ta->thread_active_threads_addr);
148 LOOKUP_SYM(ph, "_thread_keytable", &ta->thread_keytable_addr);
149 LOOKUP_SYM(ph, "_thread_last_event", &ta->thread_last_event_addr);
150 LOOKUP_SYM(ph, "_thread_event_mask", &ta->thread_event_mask_addr);
151 LOOKUP_SYM(ph, "_thread_bp_create", &ta->thread_bp_create_addr);
152 LOOKUP_SYM(ph, "_thread_bp_death", &ta->thread_bp_death_addr);
153 LOOKUP_VAL(ph, "_thread_off_dtv", &ta->thread_off_dtv);
154 LOOKUP_VAL(ph, "_thread_off_tlsindex", &ta->thread_off_tlsindex);
155 LOOKUP_VAL(ph, "_thread_off_attr_flags", &ta->thread_off_attr_flags);
156 LOOKUP_VAL(ph, "_thread_size_key", &ta->thread_size_key);
157 LOOKUP_VAL(ph, "_thread_off_tcb", &ta->thread_off_tcb);
158 LOOKUP_VAL(ph, "_thread_off_tid", &ta->thread_off_tid);
159 LOOKUP_VAL(ph, "_thread_off_linkmap", &ta->thread_off_linkmap);
160 LOOKUP_VAL(ph, "_thread_off_next", &ta->thread_off_next);
161 LOOKUP_VAL(ph, "_thread_off_state", &ta->thread_off_state);
162 LOOKUP_VAL(ph, "_thread_max_keys", &ta->thread_max_keys);
163 LOOKUP_VAL(ph, "_thread_off_key_allocated", &ta->thread_off_key_allocated);
164 LOOKUP_VAL(ph, "_thread_off_key_destructor", &ta->thread_off_key_destructor);
165 LOOKUP_VAL(ph, "_thread_state_running", &ta->thread_state_running);
166 LOOKUP_VAL(ph, "_thread_state_zoombie", &ta->thread_state_zoombie);
167 LOOKUP_VAL(ph, "_thread_off_report_events", &ta->thread_off_report_events);
168 LOOKUP_VAL(ph, "_thread_off_event_mask", &ta->thread_off_event_mask);
169 LOOKUP_VAL(ph, "_thread_off_event_buf", &ta->thread_off_event_buf);
170 dbg = getpid();
171 /*
172 * If this fails it probably means we're debugging a core file and
173 * can't write to it.
174 */
175 ps_pwrite(ph, ta->libthr_debug_addr, &dbg, sizeof(int));
176 *pta = ta;
177 return (0);
178
179error:
180 free(ta);
181 return (ret);
182}
183
184static td_err_e
185pt_ta_delete(td_thragent_t *ta)
186{
187 int dbg;
188
189 TDBG_FUNC();
190
191 dbg = 0;
192 /*
193 * Error returns from this write are not really a problem;
194 * the process doesn't exist any more.
195 */
196 ps_pwrite(ta->ph, ta->libthr_debug_addr, &dbg, sizeof(int));
197 free(ta);
198 return (TD_OK);
199}
200
201static td_err_e
202pt_ta_map_id2thr(const td_thragent_t *ta, thread_t id, td_thrhandle_t *th)
203{
204 TAILQ_HEAD(, pthread) thread_list;
205 psaddr_t pt;
206 long lwp;
207 int ret;
208
209 TDBG_FUNC();
210
211 if (id == 0)
212 return (TD_NOTHR);
213 ret = ps_pread(ta->ph, ta->thread_list_addr, &thread_list,
214 sizeof(thread_list));
215 if (ret != 0)
216 return (P2T(ret));
217 /* Iterate through thread list to find pthread */
218 pt = (psaddr_t)thread_list.tqh_first;
219 while (pt != 0) {
220 ret = ps_pread(ta->ph, pt + ta->thread_off_tid,
221 &lwp, sizeof(lwp));
222 if (ret != 0)
223 return (P2T(ret));
224 if (lwp == id)
225 break;
226 /* get next thread */
227 ret = ps_pread(ta->ph,
228 pt + ta->thread_off_next,
229 &pt, sizeof(pt));
230 if (ret != 0)
231 return (P2T(ret));
232 }
233 if (pt == 0)
234 return (TD_NOTHR);
235 th->th_ta = ta;
236 th->th_tid = id;
237 th->th_thread = pt;
238 return (TD_OK);
239}
240
241static td_err_e
242pt_ta_map_lwp2thr(const td_thragent_t *ta, lwpid_t lwp, td_thrhandle_t *th)
243{
244 return (pt_ta_map_id2thr(ta, lwp, th));
245}
246
247static td_err_e
| 30
31#include <proc_service.h>
32#include <stddef.h>
33#include <stdlib.h>
34#include <string.h>
35#include <sys/types.h>
36#include <sys/linker_set.h>
37#include <sys/ptrace.h>
38#include <thread_db.h>
39#include <unistd.h>
40
41#include "thread_db_int.h"
42
43#define TERMINATED 1
44
45struct td_thragent {
46 TD_THRAGENT_FIELDS;
47 psaddr_t libthr_debug_addr;
48 psaddr_t thread_list_addr;
49 psaddr_t thread_active_threads_addr;
50 psaddr_t thread_keytable_addr;
51 psaddr_t thread_last_event_addr;
52 psaddr_t thread_event_mask_addr;
53 psaddr_t thread_bp_create_addr;
54 psaddr_t thread_bp_death_addr;
55 int thread_off_dtv;
56 int thread_off_tlsindex;
57 int thread_off_attr_flags;
58 int thread_size_key;
59 int thread_off_tcb;
60 int thread_off_linkmap;
61 int thread_off_next;
62 int thread_off_state;
63 int thread_off_tid;
64 int thread_max_keys;
65 int thread_off_key_allocated;
66 int thread_off_key_destructor;
67 int thread_off_report_events;
68 int thread_off_event_mask;
69 int thread_off_event_buf;
70 int thread_state_zoombie;
71 int thread_state_running;
72};
73
74#define P2T(c) ps2td(c)
75
76static int pt_validate(const td_thrhandle_t *th);
77
78static int
79ps2td(int c)
80{
81 switch (c) {
82 case PS_OK:
83 return TD_OK;
84 case PS_ERR:
85 return TD_ERR;
86 case PS_BADPID:
87 return TD_BADPH;
88 case PS_BADLID:
89 return TD_NOLWP;
90 case PS_BADADDR:
91 return TD_ERR;
92 case PS_NOSYM:
93 return TD_NOLIBTHREAD;
94 case PS_NOFREGS:
95 return TD_NOFPREGS;
96 default:
97 return TD_ERR;
98 }
99}
100
101static td_err_e
102pt_init(void)
103{
104 return (0);
105}
106
107static td_err_e
108pt_ta_new(struct ps_prochandle *ph, td_thragent_t **pta)
109{
110#define LOOKUP_SYM(proc, sym, addr) \
111 ret = ps_pglobal_lookup(proc, NULL, sym, addr); \
112 if (ret != 0) { \
113 TDBG("can not find symbol: %s\n", sym); \
114 ret = TD_NOLIBTHREAD; \
115 goto error; \
116 }
117
118#define LOOKUP_VAL(proc, sym, val) \
119 ret = ps_pglobal_lookup(proc, NULL, sym, &vaddr);\
120 if (ret != 0) { \
121 TDBG("can not find symbol: %s\n", sym); \
122 ret = TD_NOLIBTHREAD; \
123 goto error; \
124 } \
125 ret = ps_pread(proc, vaddr, val, sizeof(int)); \
126 if (ret != 0) { \
127 TDBG("can not read value of %s\n", sym);\
128 ret = TD_NOLIBTHREAD; \
129 goto error; \
130 }
131
132 td_thragent_t *ta;
133 psaddr_t vaddr;
134 int dbg;
135 int ret;
136
137 TDBG_FUNC();
138
139 ta = malloc(sizeof(td_thragent_t));
140 if (ta == NULL)
141 return (TD_MALLOC);
142
143 ta->ph = ph;
144
145 LOOKUP_SYM(ph, "_libthr_debug", &ta->libthr_debug_addr);
146 LOOKUP_SYM(ph, "_thread_list", &ta->thread_list_addr);
147 LOOKUP_SYM(ph, "_thread_active_threads",&ta->thread_active_threads_addr);
148 LOOKUP_SYM(ph, "_thread_keytable", &ta->thread_keytable_addr);
149 LOOKUP_SYM(ph, "_thread_last_event", &ta->thread_last_event_addr);
150 LOOKUP_SYM(ph, "_thread_event_mask", &ta->thread_event_mask_addr);
151 LOOKUP_SYM(ph, "_thread_bp_create", &ta->thread_bp_create_addr);
152 LOOKUP_SYM(ph, "_thread_bp_death", &ta->thread_bp_death_addr);
153 LOOKUP_VAL(ph, "_thread_off_dtv", &ta->thread_off_dtv);
154 LOOKUP_VAL(ph, "_thread_off_tlsindex", &ta->thread_off_tlsindex);
155 LOOKUP_VAL(ph, "_thread_off_attr_flags", &ta->thread_off_attr_flags);
156 LOOKUP_VAL(ph, "_thread_size_key", &ta->thread_size_key);
157 LOOKUP_VAL(ph, "_thread_off_tcb", &ta->thread_off_tcb);
158 LOOKUP_VAL(ph, "_thread_off_tid", &ta->thread_off_tid);
159 LOOKUP_VAL(ph, "_thread_off_linkmap", &ta->thread_off_linkmap);
160 LOOKUP_VAL(ph, "_thread_off_next", &ta->thread_off_next);
161 LOOKUP_VAL(ph, "_thread_off_state", &ta->thread_off_state);
162 LOOKUP_VAL(ph, "_thread_max_keys", &ta->thread_max_keys);
163 LOOKUP_VAL(ph, "_thread_off_key_allocated", &ta->thread_off_key_allocated);
164 LOOKUP_VAL(ph, "_thread_off_key_destructor", &ta->thread_off_key_destructor);
165 LOOKUP_VAL(ph, "_thread_state_running", &ta->thread_state_running);
166 LOOKUP_VAL(ph, "_thread_state_zoombie", &ta->thread_state_zoombie);
167 LOOKUP_VAL(ph, "_thread_off_report_events", &ta->thread_off_report_events);
168 LOOKUP_VAL(ph, "_thread_off_event_mask", &ta->thread_off_event_mask);
169 LOOKUP_VAL(ph, "_thread_off_event_buf", &ta->thread_off_event_buf);
170 dbg = getpid();
171 /*
172 * If this fails it probably means we're debugging a core file and
173 * can't write to it.
174 */
175 ps_pwrite(ph, ta->libthr_debug_addr, &dbg, sizeof(int));
176 *pta = ta;
177 return (0);
178
179error:
180 free(ta);
181 return (ret);
182}
183
184static td_err_e
185pt_ta_delete(td_thragent_t *ta)
186{
187 int dbg;
188
189 TDBG_FUNC();
190
191 dbg = 0;
192 /*
193 * Error returns from this write are not really a problem;
194 * the process doesn't exist any more.
195 */
196 ps_pwrite(ta->ph, ta->libthr_debug_addr, &dbg, sizeof(int));
197 free(ta);
198 return (TD_OK);
199}
200
201static td_err_e
202pt_ta_map_id2thr(const td_thragent_t *ta, thread_t id, td_thrhandle_t *th)
203{
204 TAILQ_HEAD(, pthread) thread_list;
205 psaddr_t pt;
206 long lwp;
207 int ret;
208
209 TDBG_FUNC();
210
211 if (id == 0)
212 return (TD_NOTHR);
213 ret = ps_pread(ta->ph, ta->thread_list_addr, &thread_list,
214 sizeof(thread_list));
215 if (ret != 0)
216 return (P2T(ret));
217 /* Iterate through thread list to find pthread */
218 pt = (psaddr_t)thread_list.tqh_first;
219 while (pt != 0) {
220 ret = ps_pread(ta->ph, pt + ta->thread_off_tid,
221 &lwp, sizeof(lwp));
222 if (ret != 0)
223 return (P2T(ret));
224 if (lwp == id)
225 break;
226 /* get next thread */
227 ret = ps_pread(ta->ph,
228 pt + ta->thread_off_next,
229 &pt, sizeof(pt));
230 if (ret != 0)
231 return (P2T(ret));
232 }
233 if (pt == 0)
234 return (TD_NOTHR);
235 th->th_ta = ta;
236 th->th_tid = id;
237 th->th_thread = pt;
238 return (TD_OK);
239}
240
241static td_err_e
242pt_ta_map_lwp2thr(const td_thragent_t *ta, lwpid_t lwp, td_thrhandle_t *th)
243{
244 return (pt_ta_map_id2thr(ta, lwp, th));
245}
246
247static td_err_e
|
248pt_ta_thr_iter(const td_thragent_t *ta,
249 td_thr_iter_f *callback, void *cbdata_p,
250 td_thr_state_e state, int ti_pri,
251 sigset_t *ti_sigmask_p,
252 unsigned int ti_user_flags)
| 248pt_ta_thr_iter(const td_thragent_t *ta, td_thr_iter_f *callback,
249 void *cbdata_p, td_thr_state_e state __unused, int ti_pri __unused,
250 sigset_t *ti_sigmask_p __unused, unsigned int ti_user_flags __unused)
|
253{
254 TAILQ_HEAD(, pthread) thread_list;
255 td_thrhandle_t th;
256 psaddr_t pt;
257 long lwp;
258 int ret;
259
260 TDBG_FUNC();
261
262 ret = ps_pread(ta->ph, ta->thread_list_addr, &thread_list,
263 sizeof(thread_list));
264 if (ret != 0)
265 return (P2T(ret));
266 pt = (psaddr_t)thread_list.tqh_first;
267 while (pt != 0) {
268 ret = ps_pread(ta->ph, pt + ta->thread_off_tid, &lwp,
269 sizeof(lwp));
270 if (ret != 0)
271 return (P2T(ret));
272 if (lwp != 0 && lwp != TERMINATED) {
273 th.th_ta = ta;
274 th.th_tid = (thread_t)lwp;
275 th.th_thread = pt;
276 if ((*callback)(&th, cbdata_p))
277 return (TD_DBERR);
278 }
279 /* get next thread */
280 ret = ps_pread(ta->ph, pt + ta->thread_off_next, &pt,
281 sizeof(pt));
282 if (ret != 0)
283 return (P2T(ret));
284 }
285 return (TD_OK);
286}
287
288static td_err_e
289pt_ta_tsd_iter(const td_thragent_t *ta, td_key_iter_f *ki, void *arg)
290{
| 251{
252 TAILQ_HEAD(, pthread) thread_list;
253 td_thrhandle_t th;
254 psaddr_t pt;
255 long lwp;
256 int ret;
257
258 TDBG_FUNC();
259
260 ret = ps_pread(ta->ph, ta->thread_list_addr, &thread_list,
261 sizeof(thread_list));
262 if (ret != 0)
263 return (P2T(ret));
264 pt = (psaddr_t)thread_list.tqh_first;
265 while (pt != 0) {
266 ret = ps_pread(ta->ph, pt + ta->thread_off_tid, &lwp,
267 sizeof(lwp));
268 if (ret != 0)
269 return (P2T(ret));
270 if (lwp != 0 && lwp != TERMINATED) {
271 th.th_ta = ta;
272 th.th_tid = (thread_t)lwp;
273 th.th_thread = pt;
274 if ((*callback)(&th, cbdata_p))
275 return (TD_DBERR);
276 }
277 /* get next thread */
278 ret = ps_pread(ta->ph, pt + ta->thread_off_next, &pt,
279 sizeof(pt));
280 if (ret != 0)
281 return (P2T(ret));
282 }
283 return (TD_OK);
284}
285
286static td_err_e
287pt_ta_tsd_iter(const td_thragent_t *ta, td_key_iter_f *ki, void *arg)
288{
|
291 char *keytable;
| 289 void *keytable;
|
292 void *destructor;
293 int i, ret, allocated;
294
295 TDBG_FUNC();
296
297 keytable = malloc(ta->thread_max_keys * ta->thread_size_key);
298 if (keytable == NULL)
299 return (TD_MALLOC);
300 ret = ps_pread(ta->ph, (psaddr_t)ta->thread_keytable_addr, keytable,
301 ta->thread_max_keys * ta->thread_size_key);
302 if (ret != 0) {
303 free(keytable);
304 return (P2T(ret));
305 }
306 for (i = 0; i < ta->thread_max_keys; i++) {
| 290 void *destructor;
291 int i, ret, allocated;
292
293 TDBG_FUNC();
294
295 keytable = malloc(ta->thread_max_keys * ta->thread_size_key);
296 if (keytable == NULL)
297 return (TD_MALLOC);
298 ret = ps_pread(ta->ph, (psaddr_t)ta->thread_keytable_addr, keytable,
299 ta->thread_max_keys * ta->thread_size_key);
300 if (ret != 0) {
301 free(keytable);
302 return (P2T(ret));
303 }
304 for (i = 0; i < ta->thread_max_keys; i++) {
|
307 allocated = *(int *)(keytable + i * ta->thread_size_key +
308 ta->thread_off_key_allocated);
309 destructor = *(void **)(keytable + i * ta->thread_size_key +
310 ta->thread_off_key_destructor);
| 305 allocated = *(int *)(void *)((uintptr_t)keytable +
306 i * ta->thread_size_key + ta->thread_off_key_allocated);
307 destructor = *(void **)(void *)((uintptr_t)keytable +
308 i * ta->thread_size_key + ta->thread_off_key_destructor);
|
311 if (allocated) {
312 ret = (ki)(i, destructor, arg);
313 if (ret != 0) {
314 free(keytable);
315 return (TD_DBERR);
316 }
317 }
318 }
319 free(keytable);
320 return (TD_OK);
321}
322
323static td_err_e
324pt_ta_event_addr(const td_thragent_t *ta, td_event_e event, td_notify_t *ptr)
325{
326
327 TDBG_FUNC();
328
329 switch (event) {
330 case TD_CREATE:
331 ptr->type = NOTIFY_BPT;
332 ptr->u.bptaddr = ta->thread_bp_create_addr;
333 return (0);
334 case TD_DEATH:
335 ptr->type = NOTIFY_BPT;
336 ptr->u.bptaddr = ta->thread_bp_death_addr;
337 return (0);
338 default:
339 return (TD_ERR);
340 }
341}
342
343static td_err_e
344pt_ta_set_event(const td_thragent_t *ta, td_thr_events_t *events)
345{
346 td_thr_events_t mask;
347 int ret;
348
349 TDBG_FUNC();
350 ret = ps_pread(ta->ph, ta->thread_event_mask_addr, &mask,
351 sizeof(mask));
352 if (ret != 0)
353 return (P2T(ret));
354 mask |= *events;
355 ret = ps_pwrite(ta->ph, ta->thread_event_mask_addr, &mask,
356 sizeof(mask));
357 return (P2T(ret));
358}
359
360static td_err_e
361pt_ta_clear_event(const td_thragent_t *ta, td_thr_events_t *events)
362{
363 td_thr_events_t mask;
364 int ret;
365
366 TDBG_FUNC();
367 ret = ps_pread(ta->ph, ta->thread_event_mask_addr, &mask,
368 sizeof(mask));
369 if (ret != 0)
370 return (P2T(ret));
371 mask &= ~*events;
372 ret = ps_pwrite(ta->ph, ta->thread_event_mask_addr, &mask,
373 sizeof(mask));
374 return (P2T(ret));
375}
376
377static td_err_e
378pt_ta_event_getmsg(const td_thragent_t *ta, td_event_msg_t *msg)
379{
380 static td_thrhandle_t handle;
381
382 psaddr_t pt, pt_temp;
383 td_thr_events_e tmp;
384 long lwp;
385 int ret;
386
387 TDBG_FUNC();
388
389 ret = ps_pread(ta->ph, ta->thread_last_event_addr, &pt, sizeof(pt));
390 if (ret != 0)
391 return (P2T(ret));
392 if (pt == 0)
393 return (TD_NOMSG);
394 /*
395 * Take the event pointer, at the time, libthr only reports event
396 * once a time, so it is not a link list.
397 */
398 pt_temp = 0;
399 ps_pwrite(ta->ph, ta->thread_last_event_addr, &pt_temp, sizeof(pt_temp));
400
401 /* Read event info */
402 ret = ps_pread(ta->ph, pt + ta->thread_off_event_buf, msg, sizeof(*msg));
403 if (ret != 0)
404 return (P2T(ret));
405 if (msg->event == 0)
406 return (TD_NOMSG);
407 /* Clear event */
408 tmp = 0;
409 ps_pwrite(ta->ph, pt + ta->thread_off_event_buf, &tmp, sizeof(tmp));
410 /* Convert event */
411 pt = (psaddr_t)msg->th_p;
412 ret = ps_pread(ta->ph, pt + ta->thread_off_tid, &lwp, sizeof(lwp));
413 if (ret != 0)
414 return (P2T(ret));
415 handle.th_ta = ta;
416 handle.th_tid = lwp;
417 handle.th_thread = pt;
418 msg->th_p = &handle;
419 return (0);
420}
421
422static td_err_e
423pt_dbsuspend(const td_thrhandle_t *th, int suspend)
424{
| 309 if (allocated) {
310 ret = (ki)(i, destructor, arg);
311 if (ret != 0) {
312 free(keytable);
313 return (TD_DBERR);
314 }
315 }
316 }
317 free(keytable);
318 return (TD_OK);
319}
320
321static td_err_e
322pt_ta_event_addr(const td_thragent_t *ta, td_event_e event, td_notify_t *ptr)
323{
324
325 TDBG_FUNC();
326
327 switch (event) {
328 case TD_CREATE:
329 ptr->type = NOTIFY_BPT;
330 ptr->u.bptaddr = ta->thread_bp_create_addr;
331 return (0);
332 case TD_DEATH:
333 ptr->type = NOTIFY_BPT;
334 ptr->u.bptaddr = ta->thread_bp_death_addr;
335 return (0);
336 default:
337 return (TD_ERR);
338 }
339}
340
341static td_err_e
342pt_ta_set_event(const td_thragent_t *ta, td_thr_events_t *events)
343{
344 td_thr_events_t mask;
345 int ret;
346
347 TDBG_FUNC();
348 ret = ps_pread(ta->ph, ta->thread_event_mask_addr, &mask,
349 sizeof(mask));
350 if (ret != 0)
351 return (P2T(ret));
352 mask |= *events;
353 ret = ps_pwrite(ta->ph, ta->thread_event_mask_addr, &mask,
354 sizeof(mask));
355 return (P2T(ret));
356}
357
358static td_err_e
359pt_ta_clear_event(const td_thragent_t *ta, td_thr_events_t *events)
360{
361 td_thr_events_t mask;
362 int ret;
363
364 TDBG_FUNC();
365 ret = ps_pread(ta->ph, ta->thread_event_mask_addr, &mask,
366 sizeof(mask));
367 if (ret != 0)
368 return (P2T(ret));
369 mask &= ~*events;
370 ret = ps_pwrite(ta->ph, ta->thread_event_mask_addr, &mask,
371 sizeof(mask));
372 return (P2T(ret));
373}
374
375static td_err_e
376pt_ta_event_getmsg(const td_thragent_t *ta, td_event_msg_t *msg)
377{
378 static td_thrhandle_t handle;
379
380 psaddr_t pt, pt_temp;
381 td_thr_events_e tmp;
382 long lwp;
383 int ret;
384
385 TDBG_FUNC();
386
387 ret = ps_pread(ta->ph, ta->thread_last_event_addr, &pt, sizeof(pt));
388 if (ret != 0)
389 return (P2T(ret));
390 if (pt == 0)
391 return (TD_NOMSG);
392 /*
393 * Take the event pointer, at the time, libthr only reports event
394 * once a time, so it is not a link list.
395 */
396 pt_temp = 0;
397 ps_pwrite(ta->ph, ta->thread_last_event_addr, &pt_temp, sizeof(pt_temp));
398
399 /* Read event info */
400 ret = ps_pread(ta->ph, pt + ta->thread_off_event_buf, msg, sizeof(*msg));
401 if (ret != 0)
402 return (P2T(ret));
403 if (msg->event == 0)
404 return (TD_NOMSG);
405 /* Clear event */
406 tmp = 0;
407 ps_pwrite(ta->ph, pt + ta->thread_off_event_buf, &tmp, sizeof(tmp));
408 /* Convert event */
409 pt = (psaddr_t)msg->th_p;
410 ret = ps_pread(ta->ph, pt + ta->thread_off_tid, &lwp, sizeof(lwp));
411 if (ret != 0)
412 return (P2T(ret));
413 handle.th_ta = ta;
414 handle.th_tid = lwp;
415 handle.th_thread = pt;
416 msg->th_p = &handle;
417 return (0);
418}
419
420static td_err_e
421pt_dbsuspend(const td_thrhandle_t *th, int suspend)
422{
|
425 td_thragent_t *ta = (td_thragent_t *)th->th_ta;
| 423 const td_thragent_t *ta = th->th_ta;
|
426 int ret;
427
428 TDBG_FUNC();
429
430 ret = pt_validate(th);
431 if (ret)
432 return (ret);
433
434 if (suspend)
435 ret = ps_lstop(ta->ph, th->th_tid);
436 else
437 ret = ps_lcontinue(ta->ph, th->th_tid);
438 return (P2T(ret));
439}
440
441static td_err_e
442pt_thr_dbresume(const td_thrhandle_t *th)
443{
444 TDBG_FUNC();
445
446 return pt_dbsuspend(th, 0);
447}
448
449static td_err_e
450pt_thr_dbsuspend(const td_thrhandle_t *th)
451{
452 TDBG_FUNC();
453
454 return pt_dbsuspend(th, 1);
455}
456
457static td_err_e
458pt_thr_validate(const td_thrhandle_t *th)
459{
460 td_thrhandle_t temp;
461 int ret;
462
463 TDBG_FUNC();
464
465 ret = pt_ta_map_id2thr(th->th_ta, th->th_tid, &temp);
466 return (ret);
467}
468
469static td_err_e
470pt_thr_get_info(const td_thrhandle_t *th, td_thrinfo_t *info)
471{
472 const td_thragent_t *ta = th->th_ta;
473 struct ptrace_lwpinfo linfo;
474 int state;
475 int ret;
476
477 TDBG_FUNC();
478
479 bzero(info, sizeof(*info));
480 ret = pt_validate(th);
481 if (ret)
482 return (ret);
483 ret = ps_pread(ta->ph, th->th_thread + ta->thread_off_state,
484 &state, sizeof(state));
485 if (ret != 0)
486 return (P2T(ret));
487 ret = ps_pread(ta->ph, th->th_thread + ta->thread_off_report_events,
488 &info->ti_traceme, sizeof(int));
489 if (ret != 0)
490 return (P2T(ret));
491 ret = ps_pread(ta->ph, th->th_thread + ta->thread_off_event_mask,
492 &info->ti_events, sizeof(td_thr_events_t));
493 if (ret != 0)
494 return (P2T(ret));
495 ret = ps_pread(ta->ph, th->th_thread + ta->thread_off_tcb,
496 &info->ti_tls, sizeof(void *));
497 info->ti_lid = th->th_tid;
498 info->ti_tid = th->th_tid;
499 info->ti_thread = th->th_thread;
500 info->ti_ta_p = th->th_ta;
501 ret = ps_linfo(ta->ph, th->th_tid, &linfo);
502 if (ret == PS_OK) {
503 info->ti_sigmask = linfo.pl_sigmask;
504 info->ti_pending = linfo.pl_siglist;
505 } else
506 return (ret);
507 if (state == ta->thread_state_running)
508 info->ti_state = TD_THR_RUN;
509 else if (state == ta->thread_state_zoombie)
510 info->ti_state = TD_THR_ZOMBIE;
511 else
512 info->ti_state = TD_THR_SLEEP;
513 info->ti_type = TD_THR_USER;
514 return (0);
515}
516
517#ifdef __i386__
518static td_err_e
519pt_thr_getxmmregs(const td_thrhandle_t *th, char *fxsave)
520{
521 const td_thragent_t *ta = th->th_ta;
522 int ret;
523
524 TDBG_FUNC();
525
526 ret = pt_validate(th);
527 if (ret)
528 return (ret);
529
530 ret = ps_lgetxmmregs(ta->ph, th->th_tid, fxsave);
531 return (P2T(ret));
532}
533#endif
534
535static td_err_e
536pt_thr_getfpregs(const td_thrhandle_t *th, prfpregset_t *fpregs)
537{
538 const td_thragent_t *ta = th->th_ta;
539 int ret;
540
541 TDBG_FUNC();
542
543 ret = pt_validate(th);
544 if (ret)
545 return (ret);
546
547 ret = ps_lgetfpregs(ta->ph, th->th_tid, fpregs);
548 return (P2T(ret));
549}
550
551static td_err_e
552pt_thr_getgregs(const td_thrhandle_t *th, prgregset_t gregs)
553{
554 const td_thragent_t *ta = th->th_ta;
555 int ret;
556
557 TDBG_FUNC();
558
559 ret = pt_validate(th);
560 if (ret)
561 return (ret);
562
563 ret = ps_lgetregs(ta->ph, th->th_tid, gregs);
564 return (P2T(ret));
565}
566
567#ifdef __i386__
568static td_err_e
569pt_thr_setxmmregs(const td_thrhandle_t *th, const char *fxsave)
570{
571 const td_thragent_t *ta = th->th_ta;
572 int ret;
573
574 TDBG_FUNC();
575
576 ret = pt_validate(th);
577 if (ret)
578 return (ret);
579
580 ret = ps_lsetxmmregs(ta->ph, th->th_tid, fxsave);
581 return (P2T(ret));
582}
583#endif
584
585static td_err_e
586pt_thr_setfpregs(const td_thrhandle_t *th, const prfpregset_t *fpregs)
587{
588 const td_thragent_t *ta = th->th_ta;
589 int ret;
590
591 TDBG_FUNC();
592
593 ret = pt_validate(th);
594 if (ret)
595 return (ret);
596
597 ret = ps_lsetfpregs(ta->ph, th->th_tid, fpregs);
598 return (P2T(ret));
599}
600
601static td_err_e
602pt_thr_setgregs(const td_thrhandle_t *th, const prgregset_t gregs)
603{
604 const td_thragent_t *ta = th->th_ta;
605 int ret;
606
607 TDBG_FUNC();
608
609 ret = pt_validate(th);
610 if (ret)
611 return (ret);
612
613 ret = ps_lsetregs(ta->ph, th->th_tid, gregs);
614 return (P2T(ret));
615}
616
617static td_err_e
618pt_thr_event_enable(const td_thrhandle_t *th, int en)
619{
620 const td_thragent_t *ta = th->th_ta;
621 int ret;
622
623 TDBG_FUNC();
624 ret = ps_pwrite(ta->ph, th->th_thread + ta->thread_off_report_events,
625 &en, sizeof(int));
626 return (P2T(ret));
627}
628
629static td_err_e
630pt_thr_set_event(const td_thrhandle_t *th, td_thr_events_t *setp)
631{
632 const td_thragent_t *ta = th->th_ta;
633 td_thr_events_t mask;
634 int ret;
635
636 TDBG_FUNC();
637 ret = ps_pread(ta->ph, th->th_thread + ta->thread_off_event_mask,
638 &mask, sizeof(mask));
639 mask |= *setp;
640 ret = ps_pwrite(ta->ph, th->th_thread + ta->thread_off_event_mask,
641 &mask, sizeof(mask));
642 return (P2T(ret));
643}
644
645static td_err_e
646pt_thr_clear_event(const td_thrhandle_t *th, td_thr_events_t *setp)
647{
648 const td_thragent_t *ta = th->th_ta;
649 td_thr_events_t mask;
650 int ret;
651
652 TDBG_FUNC();
653 ret = ps_pread(ta->ph, th->th_thread + ta->thread_off_event_mask,
654 &mask, sizeof(mask));
655 mask &= ~*setp;
656 ret = ps_pwrite(ta->ph, th->th_thread + ta->thread_off_event_mask,
657 &mask, sizeof(mask));
658 return (P2T(ret));
659}
660
661static td_err_e
662pt_thr_event_getmsg(const td_thrhandle_t *th, td_event_msg_t *msg)
663{
664 static td_thrhandle_t handle;
| 424 int ret;
425
426 TDBG_FUNC();
427
428 ret = pt_validate(th);
429 if (ret)
430 return (ret);
431
432 if (suspend)
433 ret = ps_lstop(ta->ph, th->th_tid);
434 else
435 ret = ps_lcontinue(ta->ph, th->th_tid);
436 return (P2T(ret));
437}
438
439static td_err_e
440pt_thr_dbresume(const td_thrhandle_t *th)
441{
442 TDBG_FUNC();
443
444 return pt_dbsuspend(th, 0);
445}
446
447static td_err_e
448pt_thr_dbsuspend(const td_thrhandle_t *th)
449{
450 TDBG_FUNC();
451
452 return pt_dbsuspend(th, 1);
453}
454
455static td_err_e
456pt_thr_validate(const td_thrhandle_t *th)
457{
458 td_thrhandle_t temp;
459 int ret;
460
461 TDBG_FUNC();
462
463 ret = pt_ta_map_id2thr(th->th_ta, th->th_tid, &temp);
464 return (ret);
465}
466
467static td_err_e
468pt_thr_get_info(const td_thrhandle_t *th, td_thrinfo_t *info)
469{
470 const td_thragent_t *ta = th->th_ta;
471 struct ptrace_lwpinfo linfo;
472 int state;
473 int ret;
474
475 TDBG_FUNC();
476
477 bzero(info, sizeof(*info));
478 ret = pt_validate(th);
479 if (ret)
480 return (ret);
481 ret = ps_pread(ta->ph, th->th_thread + ta->thread_off_state,
482 &state, sizeof(state));
483 if (ret != 0)
484 return (P2T(ret));
485 ret = ps_pread(ta->ph, th->th_thread + ta->thread_off_report_events,
486 &info->ti_traceme, sizeof(int));
487 if (ret != 0)
488 return (P2T(ret));
489 ret = ps_pread(ta->ph, th->th_thread + ta->thread_off_event_mask,
490 &info->ti_events, sizeof(td_thr_events_t));
491 if (ret != 0)
492 return (P2T(ret));
493 ret = ps_pread(ta->ph, th->th_thread + ta->thread_off_tcb,
494 &info->ti_tls, sizeof(void *));
495 info->ti_lid = th->th_tid;
496 info->ti_tid = th->th_tid;
497 info->ti_thread = th->th_thread;
498 info->ti_ta_p = th->th_ta;
499 ret = ps_linfo(ta->ph, th->th_tid, &linfo);
500 if (ret == PS_OK) {
501 info->ti_sigmask = linfo.pl_sigmask;
502 info->ti_pending = linfo.pl_siglist;
503 } else
504 return (ret);
505 if (state == ta->thread_state_running)
506 info->ti_state = TD_THR_RUN;
507 else if (state == ta->thread_state_zoombie)
508 info->ti_state = TD_THR_ZOMBIE;
509 else
510 info->ti_state = TD_THR_SLEEP;
511 info->ti_type = TD_THR_USER;
512 return (0);
513}
514
515#ifdef __i386__
516static td_err_e
517pt_thr_getxmmregs(const td_thrhandle_t *th, char *fxsave)
518{
519 const td_thragent_t *ta = th->th_ta;
520 int ret;
521
522 TDBG_FUNC();
523
524 ret = pt_validate(th);
525 if (ret)
526 return (ret);
527
528 ret = ps_lgetxmmregs(ta->ph, th->th_tid, fxsave);
529 return (P2T(ret));
530}
531#endif
532
533static td_err_e
534pt_thr_getfpregs(const td_thrhandle_t *th, prfpregset_t *fpregs)
535{
536 const td_thragent_t *ta = th->th_ta;
537 int ret;
538
539 TDBG_FUNC();
540
541 ret = pt_validate(th);
542 if (ret)
543 return (ret);
544
545 ret = ps_lgetfpregs(ta->ph, th->th_tid, fpregs);
546 return (P2T(ret));
547}
548
549static td_err_e
550pt_thr_getgregs(const td_thrhandle_t *th, prgregset_t gregs)
551{
552 const td_thragent_t *ta = th->th_ta;
553 int ret;
554
555 TDBG_FUNC();
556
557 ret = pt_validate(th);
558 if (ret)
559 return (ret);
560
561 ret = ps_lgetregs(ta->ph, th->th_tid, gregs);
562 return (P2T(ret));
563}
564
565#ifdef __i386__
566static td_err_e
567pt_thr_setxmmregs(const td_thrhandle_t *th, const char *fxsave)
568{
569 const td_thragent_t *ta = th->th_ta;
570 int ret;
571
572 TDBG_FUNC();
573
574 ret = pt_validate(th);
575 if (ret)
576 return (ret);
577
578 ret = ps_lsetxmmregs(ta->ph, th->th_tid, fxsave);
579 return (P2T(ret));
580}
581#endif
582
583static td_err_e
584pt_thr_setfpregs(const td_thrhandle_t *th, const prfpregset_t *fpregs)
585{
586 const td_thragent_t *ta = th->th_ta;
587 int ret;
588
589 TDBG_FUNC();
590
591 ret = pt_validate(th);
592 if (ret)
593 return (ret);
594
595 ret = ps_lsetfpregs(ta->ph, th->th_tid, fpregs);
596 return (P2T(ret));
597}
598
599static td_err_e
600pt_thr_setgregs(const td_thrhandle_t *th, const prgregset_t gregs)
601{
602 const td_thragent_t *ta = th->th_ta;
603 int ret;
604
605 TDBG_FUNC();
606
607 ret = pt_validate(th);
608 if (ret)
609 return (ret);
610
611 ret = ps_lsetregs(ta->ph, th->th_tid, gregs);
612 return (P2T(ret));
613}
614
615static td_err_e
616pt_thr_event_enable(const td_thrhandle_t *th, int en)
617{
618 const td_thragent_t *ta = th->th_ta;
619 int ret;
620
621 TDBG_FUNC();
622 ret = ps_pwrite(ta->ph, th->th_thread + ta->thread_off_report_events,
623 &en, sizeof(int));
624 return (P2T(ret));
625}
626
627static td_err_e
628pt_thr_set_event(const td_thrhandle_t *th, td_thr_events_t *setp)
629{
630 const td_thragent_t *ta = th->th_ta;
631 td_thr_events_t mask;
632 int ret;
633
634 TDBG_FUNC();
635 ret = ps_pread(ta->ph, th->th_thread + ta->thread_off_event_mask,
636 &mask, sizeof(mask));
637 mask |= *setp;
638 ret = ps_pwrite(ta->ph, th->th_thread + ta->thread_off_event_mask,
639 &mask, sizeof(mask));
640 return (P2T(ret));
641}
642
643static td_err_e
644pt_thr_clear_event(const td_thrhandle_t *th, td_thr_events_t *setp)
645{
646 const td_thragent_t *ta = th->th_ta;
647 td_thr_events_t mask;
648 int ret;
649
650 TDBG_FUNC();
651 ret = ps_pread(ta->ph, th->th_thread + ta->thread_off_event_mask,
652 &mask, sizeof(mask));
653 mask &= ~*setp;
654 ret = ps_pwrite(ta->ph, th->th_thread + ta->thread_off_event_mask,
655 &mask, sizeof(mask));
656 return (P2T(ret));
657}
658
659static td_err_e
660pt_thr_event_getmsg(const td_thrhandle_t *th, td_event_msg_t *msg)
661{
662 static td_thrhandle_t handle;
|
665 td_thragent_t *ta = (td_thragent_t *)th->th_ta;
| 663 const td_thragent_t *ta = th->th_ta;
|
666 psaddr_t pt, pt_temp;
667 long lwp;
668 int ret;
669 td_thr_events_e tmp;
670
671 TDBG_FUNC();
672 pt = th->th_thread;
673 ret = ps_pread(ta->ph, ta->thread_last_event_addr, &pt_temp, sizeof(pt_temp));
674 if (ret != 0)
675 return (P2T(ret));
676 /* Get event */
677 ret = ps_pread(ta->ph, pt + ta->thread_off_event_buf, msg, sizeof(*msg));
678 if (ret != 0)
679 return (P2T(ret));
680 if (msg->event == 0)
681 return (TD_NOMSG);
682 /*
683 * Take the event pointer, at the time, libthr only reports event
684 * once a time, so it is not a link list.
685 */
686 if (pt == pt_temp) {
687 pt_temp = 0;
688 ps_pwrite(ta->ph, ta->thread_last_event_addr, &pt_temp, sizeof(pt_temp));
689 }
690 /* Clear event */
691 tmp = 0;
692 ps_pwrite(ta->ph, pt + ta->thread_off_event_buf, &tmp, sizeof(tmp));
693 /* Convert event */
694 pt = (psaddr_t)msg->th_p;
695 ret = ps_pread(ta->ph, pt + ta->thread_off_tid, &lwp, sizeof(lwp));
696 if (ret != 0)
697 return (P2T(ret));
698 handle.th_ta = ta;
699 handle.th_tid = lwp;
700 handle.th_thread = pt;
701 msg->th_p = &handle;
702 return (0);
703}
704
705static td_err_e
| 664 psaddr_t pt, pt_temp;
665 long lwp;
666 int ret;
667 td_thr_events_e tmp;
668
669 TDBG_FUNC();
670 pt = th->th_thread;
671 ret = ps_pread(ta->ph, ta->thread_last_event_addr, &pt_temp, sizeof(pt_temp));
672 if (ret != 0)
673 return (P2T(ret));
674 /* Get event */
675 ret = ps_pread(ta->ph, pt + ta->thread_off_event_buf, msg, sizeof(*msg));
676 if (ret != 0)
677 return (P2T(ret));
678 if (msg->event == 0)
679 return (TD_NOMSG);
680 /*
681 * Take the event pointer, at the time, libthr only reports event
682 * once a time, so it is not a link list.
683 */
684 if (pt == pt_temp) {
685 pt_temp = 0;
686 ps_pwrite(ta->ph, ta->thread_last_event_addr, &pt_temp, sizeof(pt_temp));
687 }
688 /* Clear event */
689 tmp = 0;
690 ps_pwrite(ta->ph, pt + ta->thread_off_event_buf, &tmp, sizeof(tmp));
691 /* Convert event */
692 pt = (psaddr_t)msg->th_p;
693 ret = ps_pread(ta->ph, pt + ta->thread_off_tid, &lwp, sizeof(lwp));
694 if (ret != 0)
695 return (P2T(ret));
696 handle.th_ta = ta;
697 handle.th_tid = lwp;
698 handle.th_thread = pt;
699 msg->th_p = &handle;
700 return (0);
701}
702
703static td_err_e
|
706pt_thr_sstep(const td_thrhandle_t *th, int step)
| 704pt_thr_sstep(const td_thrhandle_t *th, int step __unused)
|
707{
708 TDBG_FUNC();
709
710 return pt_validate(th);
711}
712
713static int
714pt_validate(const td_thrhandle_t *th)
715{
716
717 if (th->th_tid == 0 || th->th_thread == 0)
718 return (TD_ERR);
719 return (TD_OK);
720}
721
722static td_err_e
723pt_thr_tls_get_addr(const td_thrhandle_t *th, psaddr_t _linkmap, size_t offset,
724 psaddr_t *address)
725{
726 const td_thragent_t *ta = th->th_ta;
727 psaddr_t dtv_addr, obj_entry, tcb_addr;
728 int tls_index, ret;
729
730 /* linkmap is a member of Obj_Entry */
731 obj_entry = _linkmap - ta->thread_off_linkmap;
732
733 /* get tlsindex of the object file */
734 ret = ps_pread(ta->ph,
735 obj_entry + ta->thread_off_tlsindex,
736 &tls_index, sizeof(tls_index));
737 if (ret != 0)
738 return (P2T(ret));
739
740 /* get thread tcb */
741 ret = ps_pread(ta->ph, th->th_thread + ta->thread_off_tcb,
742 &tcb_addr, sizeof(tcb_addr));
743 if (ret != 0)
744 return (P2T(ret));
745
746 /* get dtv array address */
747 ret = ps_pread(ta->ph, tcb_addr + ta->thread_off_dtv,
748 &dtv_addr, sizeof(dtv_addr));
749 if (ret != 0)
750 return (P2T(ret));
751 /* now get the object's tls block base address */
752 ret = ps_pread(ta->ph, dtv_addr + sizeof(void *) * (tls_index+1),
753 address, sizeof(*address));
754 if (ret != 0)
755 return (P2T(ret));
756
757 *address += offset;
758 return (TD_OK);
759}
760
761struct ta_ops libthr_db_ops = {
762 .to_init = pt_init,
763 .to_ta_clear_event = pt_ta_clear_event,
764 .to_ta_delete = pt_ta_delete,
765 .to_ta_event_addr = pt_ta_event_addr,
766 .to_ta_event_getmsg = pt_ta_event_getmsg,
767 .to_ta_map_id2thr = pt_ta_map_id2thr,
768 .to_ta_map_lwp2thr = pt_ta_map_lwp2thr,
769 .to_ta_new = pt_ta_new,
770 .to_ta_set_event = pt_ta_set_event,
771 .to_ta_thr_iter = pt_ta_thr_iter,
772 .to_ta_tsd_iter = pt_ta_tsd_iter,
773 .to_thr_clear_event = pt_thr_clear_event,
774 .to_thr_dbresume = pt_thr_dbresume,
775 .to_thr_dbsuspend = pt_thr_dbsuspend,
776 .to_thr_event_enable = pt_thr_event_enable,
777 .to_thr_event_getmsg = pt_thr_event_getmsg,
778 .to_thr_get_info = pt_thr_get_info,
779 .to_thr_getfpregs = pt_thr_getfpregs,
780 .to_thr_getgregs = pt_thr_getgregs,
781 .to_thr_set_event = pt_thr_set_event,
782 .to_thr_setfpregs = pt_thr_setfpregs,
783 .to_thr_setgregs = pt_thr_setgregs,
784 .to_thr_validate = pt_thr_validate,
785 .to_thr_tls_get_addr = pt_thr_tls_get_addr,
786
787 /* FreeBSD specific extensions. */
788 .to_thr_sstep = pt_thr_sstep,
789#ifdef __i386__
790 .to_thr_getxmmregs = pt_thr_getxmmregs,
791 .to_thr_setxmmregs = pt_thr_setxmmregs,
792#endif
793};
794
795DATA_SET(__ta_ops, libthr_db_ops);
| 705{
706 TDBG_FUNC();
707
708 return pt_validate(th);
709}
710
711static int
712pt_validate(const td_thrhandle_t *th)
713{
714
715 if (th->th_tid == 0 || th->th_thread == 0)
716 return (TD_ERR);
717 return (TD_OK);
718}
719
720static td_err_e
721pt_thr_tls_get_addr(const td_thrhandle_t *th, psaddr_t _linkmap, size_t offset,
722 psaddr_t *address)
723{
724 const td_thragent_t *ta = th->th_ta;
725 psaddr_t dtv_addr, obj_entry, tcb_addr;
726 int tls_index, ret;
727
728 /* linkmap is a member of Obj_Entry */
729 obj_entry = _linkmap - ta->thread_off_linkmap;
730
731 /* get tlsindex of the object file */
732 ret = ps_pread(ta->ph,
733 obj_entry + ta->thread_off_tlsindex,
734 &tls_index, sizeof(tls_index));
735 if (ret != 0)
736 return (P2T(ret));
737
738 /* get thread tcb */
739 ret = ps_pread(ta->ph, th->th_thread + ta->thread_off_tcb,
740 &tcb_addr, sizeof(tcb_addr));
741 if (ret != 0)
742 return (P2T(ret));
743
744 /* get dtv array address */
745 ret = ps_pread(ta->ph, tcb_addr + ta->thread_off_dtv,
746 &dtv_addr, sizeof(dtv_addr));
747 if (ret != 0)
748 return (P2T(ret));
749 /* now get the object's tls block base address */
750 ret = ps_pread(ta->ph, dtv_addr + sizeof(void *) * (tls_index+1),
751 address, sizeof(*address));
752 if (ret != 0)
753 return (P2T(ret));
754
755 *address += offset;
756 return (TD_OK);
757}
758
759struct ta_ops libthr_db_ops = {
760 .to_init = pt_init,
761 .to_ta_clear_event = pt_ta_clear_event,
762 .to_ta_delete = pt_ta_delete,
763 .to_ta_event_addr = pt_ta_event_addr,
764 .to_ta_event_getmsg = pt_ta_event_getmsg,
765 .to_ta_map_id2thr = pt_ta_map_id2thr,
766 .to_ta_map_lwp2thr = pt_ta_map_lwp2thr,
767 .to_ta_new = pt_ta_new,
768 .to_ta_set_event = pt_ta_set_event,
769 .to_ta_thr_iter = pt_ta_thr_iter,
770 .to_ta_tsd_iter = pt_ta_tsd_iter,
771 .to_thr_clear_event = pt_thr_clear_event,
772 .to_thr_dbresume = pt_thr_dbresume,
773 .to_thr_dbsuspend = pt_thr_dbsuspend,
774 .to_thr_event_enable = pt_thr_event_enable,
775 .to_thr_event_getmsg = pt_thr_event_getmsg,
776 .to_thr_get_info = pt_thr_get_info,
777 .to_thr_getfpregs = pt_thr_getfpregs,
778 .to_thr_getgregs = pt_thr_getgregs,
779 .to_thr_set_event = pt_thr_set_event,
780 .to_thr_setfpregs = pt_thr_setfpregs,
781 .to_thr_setgregs = pt_thr_setgregs,
782 .to_thr_validate = pt_thr_validate,
783 .to_thr_tls_get_addr = pt_thr_tls_get_addr,
784
785 /* FreeBSD specific extensions. */
786 .to_thr_sstep = pt_thr_sstep,
787#ifdef __i386__
788 .to_thr_getxmmregs = pt_thr_getxmmregs,
789 .to_thr_setxmmregs = pt_thr_setxmmregs,
790#endif
791};
792
793DATA_SET(__ta_ops, libthr_db_ops);
|