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1 | /* |
1 | /* |
2 | * Copyright (c) 2008 Jiri Svoboda |
2 | * Copyright (c) 2008 Jiri Svoboda |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
7 | * are met: |
8 | * |
8 | * |
9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
13 | * documentation and/or other materials provided with the distribution. |
14 | * - The name of the author may not be used to endorse or promote products |
14 | * - The name of the author may not be used to endorse or promote products |
15 | * derived from this software without specific prior written permission. |
15 | * derived from this software without specific prior written permission. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
27 | */ |
28 | 28 | ||
29 | /** @addtogroup trace |
29 | /** @addtogroup trace |
30 | * @{ |
30 | * @{ |
31 | */ |
31 | */ |
32 | /** @file |
32 | /** @file |
33 | */ |
33 | */ |
34 | 34 | ||
35 | #include <stdio.h> |
35 | #include <stdio.h> |
36 | #include <stdlib.h> |
36 | #include <stdlib.h> |
37 | #include <unistd.h> |
37 | #include <unistd.h> |
38 | #include <syscall.h> |
38 | #include <syscall.h> |
39 | #include <ipc/ipc.h> |
39 | #include <ipc/ipc.h> |
40 | #include <fibril.h> |
40 | #include <fibril.h> |
41 | #include <errno.h> |
41 | #include <errno.h> |
42 | #include <udebug.h> |
42 | #include <udebug.h> |
43 | #include <async.h> |
43 | #include <async.h> |
44 | #include <task.h> |
44 | #include <task.h> |
45 | 45 | ||
46 | // Temporary: service and method names |
46 | // Temporary: service and method names |
47 | #include "proto.h" |
47 | #include "proto.h" |
48 | #include <ipc/services.h> |
48 | #include <ipc/services.h> |
49 | #include "../../srv/vfs/vfs.h" |
49 | #include "../../srv/vfs/vfs.h" |
50 | #include "../../srv/console/console.h" |
50 | #include "../../srv/console/console.h" |
51 | 51 | ||
52 | #include "syscalls.h" |
52 | #include "syscalls.h" |
53 | #include "ipcp.h" |
53 | #include "ipcp.h" |
54 | #include "errors.h" |
54 | #include "errors.h" |
55 | #include "trace.h" |
55 | #include "trace.h" |
56 | 56 | ||
57 | #define THBUF_SIZE 64 |
57 | #define THBUF_SIZE 64 |
58 | unsigned thread_hash_buf[THBUF_SIZE]; |
58 | unsigned thread_hash_buf[THBUF_SIZE]; |
59 | unsigned n_threads; |
59 | unsigned n_threads; |
60 | 60 | ||
61 | int next_thread_id; |
61 | int next_thread_id; |
62 | 62 | ||
63 | int phoneid; |
63 | int phoneid; |
64 | int abort_trace; |
64 | int abort_trace; |
65 | 65 | ||
66 | unsigned thash; |
66 | unsigned thash; |
67 | volatile int paused; |
67 | volatile int paused; |
68 | 68 | ||
69 | void thread_trace_start(unsigned thread_hash); |
69 | void thread_trace_start(unsigned thread_hash); |
70 | 70 | ||
71 | static proto_t *proto_console; |
71 | static proto_t *proto_console; |
72 | static task_id_t task_id; |
72 | static task_id_t task_id; |
73 | 73 | ||
74 | /** Combination of events/data to print. */ |
74 | /** Combination of events/data to print. */ |
75 | display_mask_t display_mask; |
75 | display_mask_t display_mask; |
76 | 76 | ||
77 | static int task_connect(task_id_t task_id) |
77 | static int task_connect(task_id_t task_id) |
78 | { |
78 | { |
79 | int rc; |
79 | int rc; |
80 | 80 | ||
81 | rc = ipc_connect_kbox(task_id); |
81 | rc = ipc_connect_kbox(task_id); |
82 | 82 | ||
83 | if (rc == ENOTSUP) { |
83 | if (rc == ENOTSUP) { |
84 | printf("You do not have userspace debugging support " |
84 | printf("You do not have userspace debugging support " |
85 | "compiled in the kernel.\n"); |
85 | "compiled in the kernel.\n"); |
86 | printf("Compile kernel with 'Support for userspace debuggers' " |
86 | printf("Compile kernel with 'Support for userspace debuggers' " |
87 | "(CONFIG_UDEBUG) enabled.\n"); |
87 | "(CONFIG_UDEBUG) enabled.\n"); |
88 | return rc; |
88 | return rc; |
89 | } |
89 | } |
90 | 90 | ||
91 | if (rc < 0) { |
91 | if (rc < 0) { |
92 | printf("Error connecting\n"); |
92 | printf("Error connecting\n"); |
93 | printf("ipc_connect_task(%lld) -> %d ", task_id, rc); |
93 | printf("ipc_connect_task(%lld) -> %d ", task_id, rc); |
94 | return rc; |
94 | return rc; |
95 | } |
95 | } |
96 | 96 | ||
97 | phoneid = rc; |
97 | phoneid = rc; |
98 | 98 | ||
99 | rc = udebug_begin(phoneid); |
99 | rc = udebug_begin(phoneid); |
100 | if (rc < 0) { |
100 | if (rc < 0) { |
101 | printf("udebug_begin() -> %d\n", rc); |
101 | printf("udebug_begin() -> %d\n", rc); |
102 | return rc; |
102 | return rc; |
103 | } |
103 | } |
104 | 104 | ||
105 | rc = udebug_set_evmask(phoneid, UDEBUG_EM_ALL); |
105 | rc = udebug_set_evmask(phoneid, UDEBUG_EM_ALL); |
106 | if (rc < 0) { |
106 | if (rc < 0) { |
107 | printf("udebug_set_evmask(0x%x) -> %d\n ", UDEBUG_EM_ALL, rc); |
107 | printf("udebug_set_evmask(0x%x) -> %d\n ", UDEBUG_EM_ALL, rc); |
108 | return rc; |
108 | return rc; |
109 | } |
109 | } |
110 | 110 | ||
111 | return 0; |
111 | return 0; |
112 | } |
112 | } |
113 | 113 | ||
114 | static int get_thread_list(void) |
114 | static int get_thread_list(void) |
115 | { |
115 | { |
116 | int rc; |
116 | int rc; |
117 | size_t tb_copied; |
117 | size_t tb_copied; |
118 | size_t tb_needed; |
118 | size_t tb_needed; |
119 | int i; |
119 | int i; |
120 | 120 | ||
121 | rc = udebug_thread_read(phoneid, thread_hash_buf, |
121 | rc = udebug_thread_read(phoneid, thread_hash_buf, |
122 | THBUF_SIZE*sizeof(unsigned), &tb_copied, &tb_needed); |
122 | THBUF_SIZE*sizeof(unsigned), &tb_copied, &tb_needed); |
123 | if (rc < 0) { |
123 | if (rc < 0) { |
124 | printf("udebug_thread_read() -> %d\n", rc); |
124 | printf("udebug_thread_read() -> %d\n", rc); |
125 | return rc; |
125 | return rc; |
126 | } |
126 | } |
127 | 127 | ||
128 | n_threads = tb_copied / sizeof(unsigned); |
128 | n_threads = tb_copied / sizeof(unsigned); |
129 | 129 | ||
130 | printf("Threads:"); |
130 | printf("Threads:"); |
131 | for (i = 0; i < n_threads; i++) { |
131 | for (i = 0; i < n_threads; i++) { |
132 | printf(" [%d] (hash 0x%x)", 1+i, thread_hash_buf[i]); |
132 | printf(" [%d] (hash 0x%x)", 1+i, thread_hash_buf[i]); |
133 | } |
133 | } |
134 | printf("\ntotal of %u threads\n", tb_needed/sizeof(unsigned)); |
134 | printf("\ntotal of %u threads\n", tb_needed/sizeof(unsigned)); |
135 | 135 | ||
136 | return 0; |
136 | return 0; |
137 | } |
137 | } |
138 | 138 | ||
139 | static void print_sc_retval(int retval, rv_type_t rv_type) |
139 | static void print_sc_retval(int retval, rv_type_t rv_type) |
140 | { |
140 | { |
141 | printf (" -> "); |
141 | printf (" -> "); |
142 | if (rv_type == RV_INTEGER) { |
142 | if (rv_type == RV_INTEGER) { |
143 | printf("%d", retval); |
143 | printf("%d", retval); |
144 | } else if (rv_type == RV_HASH) { |
144 | } else if (rv_type == RV_HASH) { |
145 | printf("0x%08x", retval); |
145 | printf("0x%08x", retval); |
146 | } else if (rv_type == RV_ERRNO) { |
146 | } else if (rv_type == RV_ERRNO) { |
147 | if (retval >= -15 && retval <= 0) { |
147 | if (retval >= -15 && retval <= 0) { |
148 | printf("%d %s (%s)", retval, |
148 | printf("%d %s (%s)", retval, |
149 | err_desc[retval].name, |
149 | err_desc[retval].name, |
150 | err_desc[retval].desc); |
150 | err_desc[retval].desc); |
151 | } else { |
151 | } else { |
152 | printf("%d", retval); |
152 | printf("%d", retval); |
153 | } |
153 | } |
154 | } else if (rv_type == RV_INT_ERRNO) { |
154 | } else if (rv_type == RV_INT_ERRNO) { |
155 | if (retval >= -15 && retval < 0) { |
155 | if (retval >= -15 && retval < 0) { |
156 | printf("%d %s (%s)", retval, |
156 | printf("%d %s (%s)", retval, |
157 | err_desc[retval].name, |
157 | err_desc[retval].name, |
158 | err_desc[retval].desc); |
158 | err_desc[retval].desc); |
159 | } else { |
159 | } else { |
160 | printf("%d", retval); |
160 | printf("%d", retval); |
161 | } |
161 | } |
162 | } |
162 | } |
163 | putchar('\n'); |
163 | putchar('\n'); |
164 | } |
164 | } |
165 | 165 | ||
166 | static void print_sc_args(unsigned *sc_args, int n) |
166 | static void print_sc_args(unsigned *sc_args, int n) |
167 | { |
167 | { |
168 | int i; |
168 | int i; |
169 | 169 | ||
170 | putchar('('); |
170 | putchar('('); |
171 | if (n > 0) printf("%d", sc_args[0]); |
171 | if (n > 0) printf("%d", sc_args[0]); |
172 | for (i=1; i<n; i++) { |
172 | for (i=1; i<n; i++) { |
173 | printf(", %d", sc_args[i]); |
173 | printf(", %d", sc_args[i]); |
174 | } |
174 | } |
175 | putchar(')'); |
175 | putchar(')'); |
176 | } |
176 | } |
177 | 177 | ||
178 | static void sc_ipc_call_async_fast(unsigned *sc_args, int sc_rc) |
178 | static void sc_ipc_call_async_fast(unsigned *sc_args, int sc_rc) |
179 | { |
179 | { |
180 | ipc_call_t call; |
180 | ipc_call_t call; |
181 | int phoneid; |
181 | int phoneid; |
182 | 182 | ||
183 | if (sc_rc == IPC_CALLRET_FATAL || sc_rc == IPC_CALLRET_TEMPORARY) |
183 | if (sc_rc == IPC_CALLRET_FATAL || sc_rc == IPC_CALLRET_TEMPORARY) |
184 | return; |
184 | return; |
185 | 185 | ||
186 | phoneid = sc_args[0]; |
186 | phoneid = sc_args[0]; |
187 | 187 | ||
188 | IPC_SET_METHOD(call, sc_args[1]); |
188 | IPC_SET_METHOD(call, sc_args[1]); |
189 | IPC_SET_ARG1(call, sc_args[2]); |
189 | IPC_SET_ARG1(call, sc_args[2]); |
190 | IPC_SET_ARG2(call, sc_args[3]); |
190 | IPC_SET_ARG2(call, sc_args[3]); |
191 | IPC_SET_ARG3(call, sc_args[4]); |
191 | IPC_SET_ARG3(call, sc_args[4]); |
192 | IPC_SET_ARG4(call, sc_args[5]); |
192 | IPC_SET_ARG4(call, sc_args[5]); |
193 | IPC_SET_ARG5(call, 0); |
193 | IPC_SET_ARG5(call, 0); |
194 | 194 | ||
195 | ipcp_call_out(phoneid, &call, sc_rc); |
195 | ipcp_call_out(phoneid, &call, sc_rc); |
196 | } |
196 | } |
197 | 197 | ||
198 | static void sc_ipc_call_async_slow(unsigned *sc_args, int sc_rc) |
198 | static void sc_ipc_call_async_slow(unsigned *sc_args, int sc_rc) |
199 | { |
199 | { |
200 | ipc_call_t call; |
200 | ipc_call_t call; |
201 | int rc; |
201 | int rc; |
202 | 202 | ||
203 | if (sc_rc == IPC_CALLRET_FATAL || sc_rc == IPC_CALLRET_TEMPORARY) |
203 | if (sc_rc == IPC_CALLRET_FATAL || sc_rc == IPC_CALLRET_TEMPORARY) |
204 | return; |
204 | return; |
205 | 205 | ||
206 | memset(&call, 0, sizeof(call)); |
206 | memset(&call, 0, sizeof(call)); |
207 | rc = udebug_mem_read(phoneid, &call.args, sc_args[1], sizeof(call.args)); |
207 | rc = udebug_mem_read(phoneid, &call.args, sc_args[1], sizeof(call.args)); |
208 | 208 | ||
209 | if (rc >= 0) { |
209 | if (rc >= 0) { |
210 | ipcp_call_out(sc_args[0], &call, sc_rc); |
210 | ipcp_call_out(sc_args[0], &call, sc_rc); |
211 | } |
211 | } |
212 | } |
212 | } |
213 | 213 | ||
214 | static void sc_ipc_call_sync_fast(unsigned *sc_args) |
214 | static void sc_ipc_call_sync_fast(unsigned *sc_args) |
215 | { |
215 | { |
216 | ipc_call_t question, reply; |
216 | ipc_call_t question, reply; |
217 | int rc; |
217 | int rc; |
218 | int phoneidx; |
218 | int phoneidx; |
219 | 219 | ||
220 | // printf("sc_ipc_call_sync_fast()\n"); |
220 | // printf("sc_ipc_call_sync_fast()\n"); |
221 | phoneidx = sc_args[0]; |
221 | phoneidx = sc_args[0]; |
222 | 222 | ||
223 | IPC_SET_METHOD(question, sc_args[1]); |
223 | IPC_SET_METHOD(question, sc_args[1]); |
224 | IPC_SET_ARG1(question, sc_args[2]); |
224 | IPC_SET_ARG1(question, sc_args[2]); |
225 | IPC_SET_ARG2(question, sc_args[3]); |
225 | IPC_SET_ARG2(question, sc_args[3]); |
226 | IPC_SET_ARG3(question, sc_args[4]); |
226 | IPC_SET_ARG3(question, sc_args[4]); |
227 | IPC_SET_ARG4(question, 0); |
227 | IPC_SET_ARG4(question, 0); |
228 | IPC_SET_ARG5(question, 0); |
228 | IPC_SET_ARG5(question, 0); |
229 | 229 | ||
230 | // printf("memset\n"); |
230 | // printf("memset\n"); |
231 | memset(&reply, 0, sizeof(reply)); |
231 | memset(&reply, 0, sizeof(reply)); |
232 | // printf("udebug_mem_read(phone=%d, buffer_ptr=%u, src_addr=%d, n=%d\n", |
232 | // printf("udebug_mem_read(phone=%d, buffer_ptr=%u, src_addr=%d, n=%d\n", |
233 | // phoneid, &reply.args, sc_args[5], sizeof(reply.args)); |
233 | // phoneid, &reply.args, sc_args[5], sizeof(reply.args)); |
234 | rc = udebug_mem_read(phoneid, &reply.args, sc_args[5], sizeof(reply.args)); |
234 | rc = udebug_mem_read(phoneid, &reply.args, sc_args[5], sizeof(reply.args)); |
235 | // printf("dmr->%d\n", rc); |
235 | // printf("dmr->%d\n", rc); |
236 | if (rc < 0) return; |
236 | if (rc < 0) return; |
237 | 237 | ||
238 | // printf("call ipc_call_sync\n"); |
238 | // printf("call ipc_call_sync\n"); |
239 | ipcp_call_sync(phoneidx, &question, &reply); |
239 | ipcp_call_sync(phoneidx, &question, &reply); |
240 | } |
240 | } |
241 | 241 | ||
242 | static void sc_ipc_call_sync_slow(unsigned *sc_args) |
242 | static void sc_ipc_call_sync_slow(unsigned *sc_args) |
243 | { |
243 | { |
244 | ipc_call_t question, reply; |
244 | ipc_call_t question, reply; |
245 | int rc; |
245 | int rc; |
246 | 246 | ||
247 | memset(&question, 0, sizeof(question)); |
247 | memset(&question, 0, sizeof(question)); |
248 | rc = udebug_mem_read(phoneid, &question.args, sc_args[1], sizeof(question.args)); |
248 | rc = udebug_mem_read(phoneid, &question.args, sc_args[1], sizeof(question.args)); |
249 | printf("dmr->%d\n", rc); |
249 | printf("dmr->%d\n", rc); |
250 | if (rc < 0) return; |
250 | if (rc < 0) return; |
251 | 251 | ||
252 | memset(&reply, 0, sizeof(reply)); |
252 | memset(&reply, 0, sizeof(reply)); |
253 | rc = udebug_mem_read(phoneid, &reply.args, sc_args[2], sizeof(reply.args)); |
253 | rc = udebug_mem_read(phoneid, &reply.args, sc_args[2], sizeof(reply.args)); |
254 | printf("dmr->%d\n", rc); |
254 | printf("dmr->%d\n", rc); |
255 | if (rc < 0) return; |
255 | if (rc < 0) return; |
256 | 256 | ||
257 | ipcp_call_sync(sc_args[0], &question, &reply); |
257 | ipcp_call_sync(sc_args[0], &question, &reply); |
258 | } |
258 | } |
259 | 259 | ||
260 | static void sc_ipc_wait(unsigned *sc_args, int sc_rc) |
260 | static void sc_ipc_wait(unsigned *sc_args, int sc_rc) |
261 | { |
261 | { |
262 | ipc_call_t call; |
262 | ipc_call_t call; |
263 | int rc; |
263 | int rc; |
264 | 264 | ||
265 | if (sc_rc == 0) return; |
265 | if (sc_rc == 0) return; |
266 | 266 | ||
267 | memset(&call, 0, sizeof(call)); |
267 | memset(&call, 0, sizeof(call)); |
268 | rc = udebug_mem_read(phoneid, &call, sc_args[0], sizeof(call)); |
268 | rc = udebug_mem_read(phoneid, &call, sc_args[0], sizeof(call)); |
269 | // printf("udebug_mem_read(phone %d, dest %d, app-mem src %d, size %d -> %d\n", |
269 | // printf("udebug_mem_read(phone %d, dest %d, app-mem src %d, size %d -> %d\n", |
270 | // phoneid, (int)&call, sc_args[0], sizeof(call), rc); |
270 | // phoneid, (int)&call, sc_args[0], sizeof(call), rc); |
271 | 271 | ||
272 | if (rc >= 0) { |
272 | if (rc >= 0) { |
273 | ipcp_call_in(&call, sc_rc); |
273 | ipcp_call_in(&call, sc_rc); |
274 | } |
274 | } |
275 | } |
275 | } |
276 | 276 | ||
277 | static void event_syscall_b(unsigned thread_id, unsigned thread_hash, unsigned sc_id, int sc_rc) |
277 | static void event_syscall_b(unsigned thread_id, unsigned thread_hash, unsigned sc_id, int sc_rc) |
278 | { |
278 | { |
279 | unsigned sc_args[6]; |
279 | unsigned sc_args[6]; |
280 | int rc; |
280 | int rc; |
281 | 281 | ||
282 | /* Read syscall arguments */ |
282 | /* Read syscall arguments */ |
283 | rc = udebug_args_read(phoneid, thread_hash, sc_args); |
283 | rc = udebug_args_read(phoneid, thread_hash, sc_args); |
284 | 284 | ||
285 | async_serialize_start(); |
285 | async_serialize_start(); |
286 | 286 | ||
287 | // printf("[%d] ", thread_id); |
287 | // printf("[%d] ", thread_id); |
288 | 288 | ||
289 | if (rc < 0) { |
289 | if (rc < 0) { |
290 | printf("error\n"); |
290 | printf("error\n"); |
291 | async_serialize_end(); |
291 | async_serialize_end(); |
292 | return; |
292 | return; |
293 | } |
293 | } |
294 | 294 | ||
295 | if ((display_mask & DM_SYSCALL) != 0) { |
295 | if ((display_mask & DM_SYSCALL) != 0) { |
296 | /* Print syscall name and arguments */ |
296 | /* Print syscall name and arguments */ |
297 | printf("%s", syscall_desc[sc_id].name); |
297 | printf("%s", syscall_desc[sc_id].name); |
298 | print_sc_args(sc_args, syscall_desc[sc_id].n_args); |
298 | print_sc_args(sc_args, syscall_desc[sc_id].n_args); |
299 | } |
299 | } |
300 | 300 | ||
301 | async_serialize_end(); |
301 | async_serialize_end(); |
302 | } |
302 | } |
303 | 303 | ||
304 | static void event_syscall_e(unsigned thread_id, unsigned thread_hash, unsigned sc_id, int sc_rc) |
304 | static void event_syscall_e(unsigned thread_id, unsigned thread_hash, unsigned sc_id, int sc_rc) |
305 | { |
305 | { |
306 | unsigned sc_args[6]; |
306 | unsigned sc_args[6]; |
307 | int rv_type; |
307 | int rv_type; |
308 | int rc; |
308 | int rc; |
309 | 309 | ||
310 | /* Read syscall arguments */ |
310 | /* Read syscall arguments */ |
311 | rc = udebug_args_read(phoneid, thread_hash, sc_args); |
311 | rc = udebug_args_read(phoneid, thread_hash, sc_args); |
312 | 312 | ||
313 | async_serialize_start(); |
313 | async_serialize_start(); |
314 | 314 | ||
315 | // printf("[%d] ", thread_id); |
315 | // printf("[%d] ", thread_id); |
316 | 316 | ||
317 | if (rc < 0) { |
317 | if (rc < 0) { |
318 | printf("error\n"); |
318 | printf("error\n"); |
319 | async_serialize_end(); |
319 | async_serialize_end(); |
320 | return; |
320 | return; |
321 | } |
321 | } |
322 | 322 | ||
323 | if ((display_mask & DM_SYSCALL) != 0) { |
323 | if ((display_mask & DM_SYSCALL) != 0) { |
324 | /* Print syscall return value */ |
324 | /* Print syscall return value */ |
325 | rv_type = syscall_desc[sc_id].rv_type; |
325 | rv_type = syscall_desc[sc_id].rv_type; |
326 | print_sc_retval(sc_rc, rv_type); |
326 | print_sc_retval(sc_rc, rv_type); |
327 | } |
327 | } |
328 | 328 | ||
329 | switch (sc_id) { |
329 | switch (sc_id) { |
330 | case SYS_IPC_CALL_ASYNC_FAST: |
330 | case SYS_IPC_CALL_ASYNC_FAST: |
331 | sc_ipc_call_async_fast(sc_args, sc_rc); |
331 | sc_ipc_call_async_fast(sc_args, sc_rc); |
332 | break; |
332 | break; |
333 | case SYS_IPC_CALL_ASYNC_SLOW: |
333 | case SYS_IPC_CALL_ASYNC_SLOW: |
334 | sc_ipc_call_async_slow(sc_args, sc_rc); |
334 | sc_ipc_call_async_slow(sc_args, sc_rc); |
335 | break; |
335 | break; |
336 | case SYS_IPC_CALL_SYNC_FAST: |
336 | case SYS_IPC_CALL_SYNC_FAST: |
337 | sc_ipc_call_sync_fast(sc_args); |
337 | sc_ipc_call_sync_fast(sc_args); |
338 | break; |
338 | break; |
339 | case SYS_IPC_CALL_SYNC_SLOW: |
339 | case SYS_IPC_CALL_SYNC_SLOW: |
340 | sc_ipc_call_sync_slow(sc_args); |
340 | sc_ipc_call_sync_slow(sc_args); |
341 | break; |
341 | break; |
342 | case SYS_IPC_WAIT: |
342 | case SYS_IPC_WAIT: |
343 | sc_ipc_wait(sc_args, sc_rc); |
343 | sc_ipc_wait(sc_args, sc_rc); |
344 | break; |
344 | break; |
345 | default: |
345 | default: |
346 | break; |
346 | break; |
347 | } |
347 | } |
348 | 348 | ||
349 | async_serialize_end(); |
349 | async_serialize_end(); |
350 | } |
350 | } |
351 | 351 | ||
352 | static void event_thread_b(unsigned hash) |
352 | static void event_thread_b(unsigned hash) |
353 | { |
353 | { |
354 | async_serialize_start(); |
354 | async_serialize_start(); |
355 | printf("New thread, hash 0x%x\n", hash); |
355 | printf("New thread, hash 0x%x\n", hash); |
356 | async_serialize_end(); |
356 | async_serialize_end(); |
357 | 357 | ||
358 | thread_trace_start(hash); |
358 | thread_trace_start(hash); |
359 | } |
359 | } |
360 | 360 | ||
361 | static int trace_loop(void *thread_hash_arg) |
361 | static int trace_loop(void *thread_hash_arg) |
362 | { |
362 | { |
363 | int rc; |
363 | int rc; |
364 | unsigned ev_type; |
364 | unsigned ev_type; |
365 | unsigned thread_hash; |
365 | unsigned thread_hash; |
366 | unsigned thread_id; |
366 | unsigned thread_id; |
367 | unsigned val0, val1; |
367 | unsigned val0, val1; |
368 | 368 | ||
369 | thread_hash = (unsigned)thread_hash_arg; |
369 | thread_hash = (unsigned)thread_hash_arg; |
370 | thread_id = next_thread_id++; |
370 | thread_id = next_thread_id++; |
371 | 371 | ||
372 | printf("Start tracing thread [%d] (hash 0x%x)\n", thread_id, thread_hash); |
372 | printf("Start tracing thread [%d] (hash 0x%x)\n", thread_id, thread_hash); |
373 | 373 | ||
374 | while (!abort_trace) { |
374 | while (!abort_trace) { |
375 | 375 | ||
376 | /* Run thread until an event occurs */ |
376 | /* Run thread until an event occurs */ |
377 | rc = udebug_go(phoneid, thread_hash, |
377 | rc = udebug_go(phoneid, thread_hash, |
378 | &ev_type, &val0, &val1); |
378 | &ev_type, &val0, &val1); |
379 | 379 | ||
380 | // printf("rc = %d, ev_type=%d\n", rc, ev_type); |
380 | // printf("rc = %d, ev_type=%d\n", rc, ev_type); |
381 | if (ev_type == UDEBUG_EVENT_FINISHED) { |
381 | if (ev_type == UDEBUG_EVENT_FINISHED) { |
382 | /* Done tracing this thread */ |
382 | /* Done tracing this thread */ |
383 | break; |
383 | break; |
384 | } |
384 | } |
385 | 385 | ||
386 | if (rc >= 0) { |
386 | if (rc >= 0) { |
387 | switch (ev_type) { |
387 | switch (ev_type) { |
388 | case UDEBUG_EVENT_SYSCALL_B: |
388 | case UDEBUG_EVENT_SYSCALL_B: |
389 | event_syscall_b(thread_id, thread_hash, val0, (int)val1); |
389 | event_syscall_b(thread_id, thread_hash, val0, (int)val1); |
390 | break; |
390 | break; |
391 | case UDEBUG_EVENT_SYSCALL_E: |
391 | case UDEBUG_EVENT_SYSCALL_E: |
392 | event_syscall_e(thread_id, thread_hash, val0, (int)val1); |
392 | event_syscall_e(thread_id, thread_hash, val0, (int)val1); |
393 | break; |
393 | break; |
394 | case UDEBUG_EVENT_STOP: |
394 | case UDEBUG_EVENT_STOP: |
395 | printf("Stop event\n"); |
395 | printf("Stop event\n"); |
396 | printf("Waiting for resume\n"); |
396 | printf("Waiting for resume\n"); |
397 | while (paused) { |
397 | while (paused) { |
398 | usleep(1000000); |
398 | usleep(1000000); |
399 | fibril_yield(); |
399 | fibril_yield(); |
400 | printf("."); |
400 | printf("."); |
401 | } |
401 | } |
402 | printf("Resumed\n"); |
402 | printf("Resumed\n"); |
403 | break; |
403 | break; |
404 | case UDEBUG_EVENT_THREAD_B: |
404 | case UDEBUG_EVENT_THREAD_B: |
405 | event_thread_b(val0); |
405 | event_thread_b(val0); |
406 | break; |
406 | break; |
407 | case UDEBUG_EVENT_THREAD_E: |
407 | case UDEBUG_EVENT_THREAD_E: |
408 | printf("Thread 0x%x exited\n", val0); |
408 | printf("Thread 0x%x exited\n", val0); |
409 | abort_trace = 1; |
409 | abort_trace = 1; |
410 | break; |
410 | break; |
411 | default: |
411 | default: |
412 | printf("Unknown event type %d\n", ev_type); |
412 | printf("Unknown event type %d\n", ev_type); |
413 | break; |
413 | break; |
414 | } |
414 | } |
415 | } |
415 | } |
416 | 416 | ||
417 | } |
417 | } |
418 | 418 | ||
419 | printf("Finished tracing thread [%d]\n", thread_id); |
419 | printf("Finished tracing thread [%d]\n", thread_id); |
420 | return 0; |
420 | return 0; |
421 | } |
421 | } |
422 | 422 | ||
423 | void thread_trace_start(unsigned thread_hash) |
423 | void thread_trace_start(unsigned thread_hash) |
424 | { |
424 | { |
425 | fid_t fid; |
425 | fid_t fid; |
426 | 426 | ||
427 | thash = thread_hash; |
427 | thash = thread_hash; |
428 | 428 | ||
429 | fid = fibril_create(trace_loop, (void *)thread_hash); |
429 | fid = fibril_create(trace_loop, (void *)thread_hash); |
430 | if (fid == 0) { |
430 | if (fid == 0) { |
431 | printf("Warning: Failed creating fibril\n"); |
431 | printf("Warning: Failed creating fibril\n"); |
432 | } |
432 | } |
433 | fibril_add_ready(fid); |
433 | fibril_add_ready(fid); |
434 | } |
434 | } |
435 | 435 | ||
436 | static void trace_active_task(task_id_t task_id) |
436 | static void trace_active_task(task_id_t task_id) |
437 | { |
437 | { |
438 | int i; |
438 | int i; |
439 | int rc; |
439 | int rc; |
440 | int c; |
440 | int c; |
441 | 441 | ||
442 | rc = task_connect(task_id); |
442 | rc = task_connect(task_id); |
443 | if (rc < 0) { |
443 | if (rc < 0) { |
444 | printf("Failed to connect to task %lld\n", task_id); |
444 | printf("Failed to connect to task %lld\n", task_id); |
445 | return; |
445 | return; |
446 | } |
446 | } |
447 | 447 | ||
448 | printf("Connected to task %lld\n", task_id); |
448 | printf("Connected to task %lld\n", task_id); |
449 | 449 | ||
450 | ipcp_init(); |
450 | ipcp_init(); |
451 | 451 | ||
452 | /* |
452 | /* |
453 | * User apps now typically have console on phone 3. |
453 | * User apps now typically have console on phone 3. |
454 | * (Phones 1 and 2 are used by the loader). |
454 | * (Phones 1 and 2 are used by the loader). |
455 | */ |
455 | */ |
456 | ipcp_connection_set(3, 0, proto_console); |
456 | ipcp_connection_set(3, 0, proto_console); |
457 | 457 | ||
458 | rc = get_thread_list(); |
458 | rc = get_thread_list(); |
459 | if (rc < 0) { |
459 | if (rc < 0) { |
460 | printf("Failed to get thread list (error %d)\n", rc); |
460 | printf("Failed to get thread list (error %d)\n", rc); |
461 | return; |
461 | return; |
462 | } |
462 | } |
463 | 463 | ||
464 | abort_trace = 0; |
464 | abort_trace = 0; |
465 | 465 | ||
466 | for (i = 0; i < n_threads; i++) { |
466 | for (i = 0; i < n_threads; i++) { |
467 | thread_trace_start(thread_hash_buf[i]); |
467 | thread_trace_start(thread_hash_buf[i]); |
468 | } |
468 | } |
469 | 469 | ||
470 | while(1) { |
470 | while(1) { |
471 | c = getchar(); |
471 | c = getchar(); |
472 | if (c == 'q') break; |
472 | if (c == 'q') break; |
473 | if (c == 'p') { |
473 | if (c == 'p') { |
474 | paused = 1; |
474 | paused = 1; |
475 | rc = udebug_stop(phoneid, thash); |
475 | rc = udebug_stop(phoneid, thash); |
476 | printf("stop -> %d\n", rc); |
476 | printf("stop -> %d\n", rc); |
477 | } |
477 | } |
478 | if (c == 'r') { |
478 | if (c == 'r') { |
479 | paused = 0; |
479 | paused = 0; |
480 | } |
480 | } |
481 | } |
481 | } |
482 | 482 | ||
483 | printf("\nTerminate debugging session...\n"); |
483 | printf("\nTerminate debugging session...\n"); |
484 | abort_trace = 1; |
484 | abort_trace = 1; |
485 | udebug_end(phoneid); |
485 | udebug_end(phoneid); |
486 | ipc_hangup(phoneid); |
486 | ipc_hangup(phoneid); |
487 | 487 | ||
488 | ipcp_cleanup(); |
488 | ipcp_cleanup(); |
489 | 489 | ||
490 | printf("Done\n"); |
490 | printf("Done\n"); |
491 | return; |
491 | return; |
492 | } |
492 | } |
493 | 493 | ||
494 | static void main_init(void) |
494 | static void main_init(void) |
495 | { |
495 | { |
496 | proto_t *p; |
496 | proto_t *p; |
497 | oper_t *o; |
497 | oper_t *o; |
498 | 498 | ||
499 | next_thread_id = 1; |
499 | next_thread_id = 1; |
500 | paused = 0; |
500 | paused = 0; |
501 | 501 | ||
502 | proto_init(); |
502 | proto_init(); |
503 | 503 | ||
504 | p = proto_new("vfs"); |
504 | p = proto_new("vfs"); |
505 | o = oper_new("read"); |
505 | o = oper_new("read"); |
506 | proto_add_oper(p, VFS_READ, o); |
506 | proto_add_oper(p, VFS_READ, o); |
507 | o = oper_new("write"); |
507 | o = oper_new("write"); |
508 | proto_add_oper(p, VFS_WRITE, o); |
508 | proto_add_oper(p, VFS_WRITE, o); |
509 | o = oper_new("truncate"); |
509 | o = oper_new("truncate"); |
510 | proto_add_oper(p, VFS_TRUNCATE, o); |
510 | proto_add_oper(p, VFS_TRUNCATE, o); |
511 | o = oper_new("mount"); |
511 | o = oper_new("mount"); |
512 | proto_add_oper(p, VFS_MOUNT, o); |
512 | proto_add_oper(p, VFS_MOUNT, o); |
513 | o = oper_new("unmount"); |
513 | o = oper_new("unmount"); |
514 | proto_add_oper(p, VFS_UNMOUNT, o); |
514 | proto_add_oper(p, VFS_UNMOUNT, o); |
515 | 515 | ||
516 | proto_register(SERVICE_VFS, p); |
516 | proto_register(SERVICE_VFS, p); |
517 | 517 | ||
518 | p = proto_new("console"); |
518 | p = proto_new("console"); |
519 | o = oper_new("getchar"); |
519 | o = oper_new("getchar"); |
520 | proto_add_oper(p, CONSOLE_GETCHAR, o); |
520 | proto_add_oper(p, CONSOLE_GETCHAR, o); |
521 | o = oper_new("putchar"); |
521 | o = oper_new("putchar"); |
522 | proto_add_oper(p, CONSOLE_PUTCHAR, o); |
522 | proto_add_oper(p, CONSOLE_PUTCHAR, o); |
523 | o = oper_new("clear"); |
523 | o = oper_new("clear"); |
524 | proto_add_oper(p, CONSOLE_CLEAR, o); |
524 | proto_add_oper(p, CONSOLE_CLEAR, o); |
525 | o = oper_new("goto"); |
525 | o = oper_new("goto"); |
526 | proto_add_oper(p, CONSOLE_GOTO, o); |
526 | proto_add_oper(p, CONSOLE_GOTO, o); |
527 | o = oper_new("getsize"); |
527 | o = oper_new("getsize"); |
528 | proto_add_oper(p, CONSOLE_GETSIZE, o); |
528 | proto_add_oper(p, CONSOLE_GETSIZE, o); |
529 | o = oper_new("flush"); |
529 | o = oper_new("flush"); |
530 | proto_add_oper(p, CONSOLE_FLUSH, o); |
530 | proto_add_oper(p, CONSOLE_FLUSH, o); |
531 | o = oper_new("set_style"); |
531 | o = oper_new("set_style"); |
532 | proto_add_oper(p, CONSOLE_SET_STYLE, o); |
532 | proto_add_oper(p, CONSOLE_SET_STYLE, o); |
533 | o = oper_new("cursor_visibility"); |
533 | o = oper_new("cursor_visibility"); |
534 | proto_add_oper(p, CONSOLE_CURSOR_VISIBILITY, o); |
534 | proto_add_oper(p, CONSOLE_CURSOR_VISIBILITY, o); |
535 | o = oper_new("flush"); |
535 | o = oper_new("flush"); |
536 | proto_add_oper(p, CONSOLE_FLUSH, o); |
536 | proto_add_oper(p, CONSOLE_FLUSH, o); |
537 | 537 | ||
538 | proto_console = p; |
538 | proto_console = p; |
539 | proto_register(SERVICE_CONSOLE, p); |
539 | proto_register(SERVICE_CONSOLE, p); |
540 | } |
540 | } |
541 | 541 | ||
542 | static void print_syntax() |
542 | static void print_syntax() |
543 | { |
543 | { |
544 | printf("Syntax:\n"); |
544 | printf("Syntax:\n"); |
545 | printf("\ttrace [+<events>] <executable> [<arg1> [...]]\n"); |
545 | printf("\ttrace [+<events>] <executable> [<arg1> [...]]\n"); |
546 | printf("or\ttrace [+<events>] -t <task_id>\n"); |
546 | printf("or\ttrace [+<events>] -t <task_id>\n"); |
547 | printf("Events: (default is +tp)\n"); |
547 | printf("Events: (default is +tp)\n"); |
548 | printf("\n"); |
548 | printf("\n"); |
549 | printf("\tt ... Thread creation and termination\n"); |
549 | printf("\tt ... Thread creation and termination\n"); |
550 | printf("\ts ... System calls\n"); |
550 | printf("\ts ... System calls\n"); |
551 | printf("\ti ... Low-level IPC\n"); |
551 | printf("\ti ... Low-level IPC\n"); |
552 | printf("\tp ... Protocol level\n"); |
552 | printf("\tp ... Protocol level\n"); |
553 | printf("\n"); |
553 | printf("\n"); |
554 | printf("Examples:\n"); |
554 | printf("Examples:\n"); |
555 | printf("\ttrace +s /app/tetris\n"); |
555 | printf("\ttrace +s /app/tetris\n"); |
556 | printf("\ttrace +tsip -t 12\n"); |
556 | printf("\ttrace +tsip -t 12\n"); |
557 | } |
557 | } |
558 | 558 | ||
559 | static display_mask_t parse_display_mask(char *text) |
559 | static display_mask_t parse_display_mask(char *text) |
560 | { |
560 | { |
561 | display_mask_t dm; |
561 | display_mask_t dm; |
562 | char *c; |
562 | char *c; |
563 | 563 | ||
564 | c = text; |
564 | c = text; |
565 | 565 | ||
566 | while (*c) { |
566 | while (*c) { |
567 | switch (*c) { |
567 | switch (*c) { |
568 | case 't': dm = dm | DM_THREAD; break; |
568 | case 't': dm = dm | DM_THREAD; break; |
569 | case 's': dm = dm | DM_SYSCALL; break; |
569 | case 's': dm = dm | DM_SYSCALL; break; |
570 | case 'i': dm = dm | DM_IPC; break; |
570 | case 'i': dm = dm | DM_IPC; break; |
571 | case 'p': dm = dm | DM_SYSTEM | DM_USER; break; |
571 | case 'p': dm = dm | DM_SYSTEM | DM_USER; break; |
572 | default: |
572 | default: |
573 | printf("Unexpected event type '%c'\n", *c); |
573 | printf("Unexpected event type '%c'\n", *c); |
574 | exit(1); |
574 | exit(1); |
575 | } |
575 | } |
576 | 576 | ||
577 | ++c; |
577 | ++c; |
578 | } |
578 | } |
579 | 579 | ||
580 | return dm; |
580 | return dm; |
581 | } |
581 | } |
582 | 582 | ||
583 | static int parse_args(int argc, char *argv[]) |
583 | static int parse_args(int argc, char *argv[]) |
584 | { |
584 | { |
585 | char *arg; |
585 | char *arg; |
586 | char *err_p; |
586 | char *err_p; |
587 | 587 | ||
588 | task_id = 0; |
588 | task_id = 0; |
589 | 589 | ||
590 | --argc; ++argv; |
590 | --argc; ++argv; |
591 | 591 | ||
592 | while (argc > 0) { |
592 | while (argc > 0) { |
593 | arg = *argv; |
593 | arg = *argv; |
594 | if (arg[0] == '+') { |
594 | if (arg[0] == '+') { |
595 | display_mask = parse_display_mask(&arg[1]); |
595 | display_mask = parse_display_mask(&arg[1]); |
596 | } else if (arg[0] == '-') { |
596 | } else if (arg[0] == '-') { |
597 | if (arg[1] == 't') { |
597 | if (arg[1] == 't') { |
598 | /* Trace an already running task */ |
598 | /* Trace an already running task */ |
599 | --argc; ++argv; |
599 | --argc; ++argv; |
600 | task_id = strtol(*argv, &err_p, 10); |
600 | task_id = strtol(*argv, &err_p, 10); |
601 | if (*err_p) { |
601 | if (*err_p) { |
602 | printf("Task ID syntax error\n"); |
602 | printf("Task ID syntax error\n"); |
603 | print_syntax(); |
603 | print_syntax(); |
604 | return -1; |
604 | return -1; |
605 | } |
605 | } |
606 | } else { |
606 | } else { |
607 | printf("Uknown option '%s'\n", arg[0]); |
607 | printf("Uknown option '%s'\n", arg[0]); |
608 | print_syntax(); |
608 | print_syntax(); |
609 | return -1; |
609 | return -1; |
610 | } |
610 | } |
611 | } else { |
611 | } else { |
612 | break; |
612 | break; |
613 | } |
613 | } |
614 | 614 | ||
615 | --argc; ++argv; |
615 | --argc; ++argv; |
616 | } |
616 | } |
617 | 617 | ||
618 | if (task_id != 0) { |
618 | if (task_id != 0) { |
619 | if (argc == 0) return; |
619 | if (argc == 0) return; |
620 | printf("Extra arguments\n"); |
620 | printf("Extra arguments\n"); |
621 | print_syntax(); |
621 | print_syntax(); |
622 | return -1; |
622 | return -1; |
623 | } |
623 | } |
624 | 624 | ||
625 | if (argc < 1) { |
625 | if (argc < 1) { |
626 | printf("Missing argument\n"); |
626 | printf("Missing argument\n"); |
627 | print_syntax(); |
627 | print_syntax(); |
628 | return -1; |
628 | return -1; |
629 | } |
629 | } |
630 | 630 | ||
631 | /* Execute the specified command and trace the new task. */ |
631 | /* Execute the specified command and trace the new task. */ |
632 | printf("Spawning '%s' with arguments:\n", *argv); |
632 | printf("Spawning '%s' with arguments:\n", *argv); |
633 | { |
633 | { |
634 | char **cp = argv; |
634 | char **cp = argv; |
635 | while (*cp) printf("'%s'\n", *cp++); |
635 | while (*cp) printf("'%s'\n", *cp++); |
636 | } |
636 | } |
637 | task_id = task_spawn(*argv, argv); |
637 | task_id = task_spawn(*argv, argv); |
638 | 638 | ||
639 | return 0; |
639 | return 0; |
640 | } |
640 | } |
641 | 641 | ||
642 | int main(int argc, char *argv[]) |
642 | int main(int argc, char *argv[]) |
643 | { |
643 | { |
644 | printf("System Call / IPC Tracer\n"); |
644 | printf("System Call / IPC Tracer\n"); |
645 | 645 | ||
646 | display_mask = DM_THREAD | DM_SYSTEM | DM_USER; |
646 | display_mask = DM_THREAD | DM_SYSTEM | DM_USER; |
647 | 647 | ||
648 | if (parse_args(argc, argv) < 0) |
648 | if (parse_args(argc, argv) < 0) |
649 | return 1; |
649 | return 1; |
650 | 650 | ||
651 | main_init(); |
651 | main_init(); |
652 | trace_active_task(task_id); |
652 | trace_active_task(task_id); |
653 | 653 | ||
654 | return 0; |
654 | return 0; |
655 | } |
655 | } |
656 | 656 | ||
657 | /** @} |
657 | /** @} |
658 | */ |
658 | */ |
659 | 659 |