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Rev | Author | Line No. | Line |
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3438 | svoboda | 1 | /* |
2 | * Copyright (c) 2008 Jiri Svoboda |
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3 | * All rights reserved. |
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4 | * |
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5 | * Redistribution and use in source and binary forms, with or without |
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6 | * modification, are permitted provided that the following conditions |
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7 | * are met: |
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8 | * |
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9 | * - Redistributions of source code must retain the above copyright |
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10 | * notice, this list of conditions and the following disclaimer. |
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11 | * - Redistributions in binary form must reproduce the above copyright |
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12 | * notice, this list of conditions and the following disclaimer in the |
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13 | * documentation and/or other materials provided with the distribution. |
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14 | * - The name of the author may not be used to endorse or promote products |
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15 | * derived from this software without specific prior written permission. |
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16 | * |
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17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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27 | */ |
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28 | |||
29 | /** @addtogroup trace |
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30 | * @{ |
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31 | */ |
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32 | /** @file |
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33 | */ |
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34 | |||
35 | #include <stdio.h> |
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36 | #include <stdlib.h> |
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37 | #include <unistd.h> |
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38 | #include <syscall.h> |
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39 | #include <ipc/ipc.h> |
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40 | #include <fibril.h> |
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41 | #include <errno.h> |
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42 | #include <udebug.h> |
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43 | #include <async.h> |
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3447 | svoboda | 44 | #include <task.h> |
3438 | svoboda | 45 | |
46 | // Temporary: service and method names |
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47 | #include "proto.h" |
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48 | #include <ipc/services.h> |
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49 | #include "../../srv/vfs/vfs.h" |
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50 | #include "../../srv/console/console.h" |
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51 | |||
52 | #include "syscalls.h" |
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53 | #include "ipcp.h" |
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54 | #include "errors.h" |
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3444 | svoboda | 55 | #include "trace.h" |
3438 | svoboda | 56 | |
57 | #define THBUF_SIZE 64 |
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58 | unsigned thread_hash_buf[THBUF_SIZE]; |
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59 | unsigned n_threads; |
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60 | |||
61 | int next_thread_id; |
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62 | |||
63 | int phoneid; |
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64 | int abort_trace; |
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65 | |||
66 | unsigned thash; |
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67 | volatile int paused; |
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68 | |||
69 | void thread_trace_start(unsigned thread_hash); |
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70 | |||
71 | static proto_t *proto_console; |
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3444 | svoboda | 72 | static task_id_t task_id; |
3438 | svoboda | 73 | |
3444 | svoboda | 74 | /** Combination of events/data to print. */ |
75 | display_mask_t display_mask; |
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76 | |||
3438 | svoboda | 77 | static int task_connect(task_id_t task_id) |
78 | { |
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79 | int rc; |
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80 | |||
81 | rc = ipc_connect_kbox(task_id); |
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3439 | svoboda | 82 | |
83 | if (rc == ENOTSUP) { |
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84 | printf("You do not have userspace debugging support " |
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85 | "compiled in the kernel.\n"); |
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86 | printf("Compile kernel with 'Support for userspace debuggers' " |
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87 | "(CONFIG_UDEBUG) enabled.\n"); |
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3442 | svoboda | 88 | return rc; |
3439 | svoboda | 89 | } |
90 | |||
3442 | svoboda | 91 | if (rc < 0) { |
92 | printf("Error connecting\n"); |
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93 | printf("ipc_connect_task(%lld) -> %d ", task_id, rc); |
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94 | return rc; |
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95 | } |
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96 | |||
3438 | svoboda | 97 | phoneid = rc; |
98 | |||
99 | rc = udebug_begin(phoneid); |
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3442 | svoboda | 100 | if (rc < 0) { |
101 | printf("udebug_begin() -> %d\n", rc); |
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102 | return rc; |
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103 | } |
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3438 | svoboda | 104 | |
105 | rc = udebug_set_evmask(phoneid, UDEBUG_EM_ALL); |
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3442 | svoboda | 106 | if (rc < 0) { |
107 | printf("udebug_set_evmask(0x%x) -> %d\n ", UDEBUG_EM_ALL, rc); |
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108 | return rc; |
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109 | } |
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3438 | svoboda | 110 | |
111 | return 0; |
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112 | } |
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113 | |||
114 | static int get_thread_list(void) |
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115 | { |
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116 | int rc; |
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117 | size_t tb_copied; |
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118 | size_t tb_needed; |
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119 | int i; |
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120 | |||
121 | rc = udebug_thread_read(phoneid, thread_hash_buf, |
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122 | THBUF_SIZE*sizeof(unsigned), &tb_copied, &tb_needed); |
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3442 | svoboda | 123 | if (rc < 0) { |
124 | printf("udebug_thread_read() -> %d\n", rc); |
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125 | return rc; |
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126 | } |
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3438 | svoboda | 127 | |
128 | n_threads = tb_copied / sizeof(unsigned); |
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129 | |||
3442 | svoboda | 130 | printf("Threads:"); |
131 | for (i = 0; i < n_threads; i++) { |
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3447 | svoboda | 132 | printf(" [%d] (hash 0x%x)", 1+i, thread_hash_buf[i]); |
3438 | svoboda | 133 | } |
134 | printf("\ntotal of %u threads\n", tb_needed/sizeof(unsigned)); |
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135 | |||
136 | return 0; |
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137 | } |
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138 | |||
139 | static void print_sc_retval(int retval, rv_type_t rv_type) |
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140 | { |
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141 | printf (" -> "); |
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142 | if (rv_type == RV_INTEGER) { |
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143 | printf("%d", retval); |
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144 | } else if (rv_type == RV_HASH) { |
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145 | printf("0x%08x", retval); |
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146 | } else if (rv_type == RV_ERRNO) { |
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147 | if (retval >= -15 && retval <= 0) { |
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148 | printf("%d %s (%s)", retval, |
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149 | err_desc[retval].name, |
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150 | err_desc[retval].desc); |
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151 | } else { |
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152 | printf("%d", retval); |
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153 | } |
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154 | } else if (rv_type == RV_INT_ERRNO) { |
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155 | if (retval >= -15 && retval < 0) { |
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156 | printf("%d %s (%s)", retval, |
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157 | err_desc[retval].name, |
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158 | err_desc[retval].desc); |
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159 | } else { |
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160 | printf("%d", retval); |
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161 | } |
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162 | } |
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163 | putchar('\n'); |
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164 | } |
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165 | |||
166 | static void print_sc_args(unsigned *sc_args, int n) |
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167 | { |
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168 | int i; |
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169 | |||
170 | putchar('('); |
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171 | if (n > 0) printf("%d", sc_args[0]); |
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172 | for (i=1; i<n; i++) { |
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173 | printf(", %d", sc_args[i]); |
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174 | } |
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175 | putchar(')'); |
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176 | } |
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177 | |||
178 | static void sc_ipc_call_async_fast(unsigned *sc_args, int sc_rc) |
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179 | { |
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180 | ipc_call_t call; |
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181 | int phoneid; |
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182 | |||
183 | if (sc_rc == IPC_CALLRET_FATAL || sc_rc == IPC_CALLRET_TEMPORARY) |
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184 | return; |
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185 | |||
186 | phoneid = sc_args[0]; |
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187 | |||
188 | IPC_SET_METHOD(call, sc_args[1]); |
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189 | IPC_SET_ARG1(call, sc_args[2]); |
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190 | IPC_SET_ARG2(call, sc_args[3]); |
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191 | IPC_SET_ARG3(call, sc_args[4]); |
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192 | IPC_SET_ARG4(call, sc_args[5]); |
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193 | IPC_SET_ARG5(call, 0); |
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194 | |||
195 | ipcp_call_out(phoneid, &call, sc_rc); |
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196 | } |
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197 | |||
198 | static void sc_ipc_call_async_slow(unsigned *sc_args, int sc_rc) |
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199 | { |
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200 | ipc_call_t call; |
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201 | int rc; |
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202 | |||
203 | if (sc_rc == IPC_CALLRET_FATAL || sc_rc == IPC_CALLRET_TEMPORARY) |
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204 | return; |
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205 | |||
206 | memset(&call, 0, sizeof(call)); |
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207 | rc = udebug_mem_read(phoneid, &call.args, sc_args[1], sizeof(call.args)); |
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208 | |||
209 | if (rc >= 0) { |
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210 | ipcp_call_out(sc_args[0], &call, sc_rc); |
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211 | } |
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212 | } |
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213 | |||
214 | static void sc_ipc_call_sync_fast(unsigned *sc_args) |
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215 | { |
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216 | ipc_call_t question, reply; |
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217 | int rc; |
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218 | int phoneidx; |
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219 | |||
220 | // printf("sc_ipc_call_sync_fast()\n"); |
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221 | phoneidx = sc_args[0]; |
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222 | |||
223 | IPC_SET_METHOD(question, sc_args[1]); |
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224 | IPC_SET_ARG1(question, sc_args[2]); |
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225 | IPC_SET_ARG2(question, sc_args[3]); |
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226 | IPC_SET_ARG3(question, sc_args[4]); |
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227 | IPC_SET_ARG4(question, 0); |
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228 | IPC_SET_ARG5(question, 0); |
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229 | |||
230 | // printf("memset\n"); |
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231 | memset(&reply, 0, sizeof(reply)); |
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232 | // printf("udebug_mem_read(phone=%d, buffer_ptr=%u, src_addr=%d, n=%d\n", |
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233 | // phoneid, &reply.args, sc_args[5], sizeof(reply.args)); |
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234 | rc = udebug_mem_read(phoneid, &reply.args, sc_args[5], sizeof(reply.args)); |
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235 | // printf("dmr->%d\n", rc); |
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236 | if (rc < 0) return; |
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237 | |||
238 | // printf("call ipc_call_sync\n"); |
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239 | ipcp_call_sync(phoneidx, &question, &reply); |
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240 | } |
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241 | |||
242 | static void sc_ipc_call_sync_slow(unsigned *sc_args) |
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243 | { |
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244 | ipc_call_t question, reply; |
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245 | int rc; |
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246 | |||
247 | memset(&question, 0, sizeof(question)); |
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248 | rc = udebug_mem_read(phoneid, &question.args, sc_args[1], sizeof(question.args)); |
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249 | printf("dmr->%d\n", rc); |
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250 | if (rc < 0) return; |
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251 | |||
252 | memset(&reply, 0, sizeof(reply)); |
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253 | rc = udebug_mem_read(phoneid, &reply.args, sc_args[2], sizeof(reply.args)); |
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254 | printf("dmr->%d\n", rc); |
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255 | if (rc < 0) return; |
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256 | |||
257 | ipcp_call_sync(sc_args[0], &question, &reply); |
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258 | } |
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259 | |||
260 | static void sc_ipc_wait(unsigned *sc_args, int sc_rc) |
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261 | { |
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262 | ipc_call_t call; |
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263 | int rc; |
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264 | |||
265 | if (sc_rc == 0) return; |
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266 | |||
267 | memset(&call, 0, sizeof(call)); |
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268 | rc = udebug_mem_read(phoneid, &call, sc_args[0], sizeof(call)); |
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269 | // printf("udebug_mem_read(phone %d, dest %d, app-mem src %d, size %d -> %d\n", |
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270 | // phoneid, (int)&call, sc_args[0], sizeof(call), rc); |
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271 | |||
272 | if (rc >= 0) { |
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273 | ipcp_call_in(&call, sc_rc); |
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274 | } |
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275 | } |
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276 | |||
277 | static void event_syscall_b(unsigned thread_id, unsigned thread_hash, unsigned sc_id, int sc_rc) |
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278 | { |
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279 | unsigned sc_args[6]; |
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280 | int rc; |
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281 | |||
282 | /* Read syscall arguments */ |
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283 | rc = udebug_args_read(phoneid, thread_hash, sc_args); |
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284 | |||
285 | async_serialize_start(); |
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286 | |||
287 | // printf("[%d] ", thread_id); |
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288 | |||
289 | if (rc < 0) { |
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290 | printf("error\n"); |
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291 | async_serialize_end(); |
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292 | return; |
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293 | } |
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294 | |||
3444 | svoboda | 295 | if ((display_mask & DM_SYSCALL) != 0) { |
296 | /* Print syscall name and arguments */ |
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297 | printf("%s", syscall_desc[sc_id].name); |
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298 | print_sc_args(sc_args, syscall_desc[sc_id].n_args); |
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299 | } |
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3438 | svoboda | 300 | |
301 | async_serialize_end(); |
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302 | } |
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303 | |||
304 | static void event_syscall_e(unsigned thread_id, unsigned thread_hash, unsigned sc_id, int sc_rc) |
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305 | { |
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306 | unsigned sc_args[6]; |
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307 | int rv_type; |
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308 | int rc; |
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309 | |||
310 | /* Read syscall arguments */ |
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311 | rc = udebug_args_read(phoneid, thread_hash, sc_args); |
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312 | |||
313 | async_serialize_start(); |
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314 | |||
315 | // printf("[%d] ", thread_id); |
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316 | |||
317 | if (rc < 0) { |
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318 | printf("error\n"); |
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319 | async_serialize_end(); |
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320 | return; |
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321 | } |
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322 | |||
3444 | svoboda | 323 | if ((display_mask & DM_SYSCALL) != 0) { |
324 | /* Print syscall return value */ |
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325 | rv_type = syscall_desc[sc_id].rv_type; |
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326 | print_sc_retval(sc_rc, rv_type); |
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327 | } |
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3438 | svoboda | 328 | |
329 | switch (sc_id) { |
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330 | case SYS_IPC_CALL_ASYNC_FAST: |
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331 | sc_ipc_call_async_fast(sc_args, sc_rc); |
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332 | break; |
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333 | case SYS_IPC_CALL_ASYNC_SLOW: |
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334 | sc_ipc_call_async_slow(sc_args, sc_rc); |
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335 | break; |
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336 | case SYS_IPC_CALL_SYNC_FAST: |
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337 | sc_ipc_call_sync_fast(sc_args); |
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338 | break; |
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339 | case SYS_IPC_CALL_SYNC_SLOW: |
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340 | sc_ipc_call_sync_slow(sc_args); |
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341 | break; |
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342 | case SYS_IPC_WAIT: |
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343 | sc_ipc_wait(sc_args, sc_rc); |
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344 | break; |
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345 | default: |
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346 | break; |
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347 | } |
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348 | |||
349 | async_serialize_end(); |
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350 | } |
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351 | |||
352 | static void event_thread_b(unsigned hash) |
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353 | { |
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354 | async_serialize_start(); |
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3442 | svoboda | 355 | printf("New thread, hash 0x%x\n", hash); |
3438 | svoboda | 356 | async_serialize_end(); |
357 | |||
358 | thread_trace_start(hash); |
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359 | } |
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360 | |||
361 | static int trace_loop(void *thread_hash_arg) |
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362 | { |
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363 | int rc; |
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364 | unsigned ev_type; |
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365 | unsigned thread_hash; |
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366 | unsigned thread_id; |
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367 | unsigned val0, val1; |
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368 | |||
369 | thread_hash = (unsigned)thread_hash_arg; |
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370 | thread_id = next_thread_id++; |
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371 | |||
3442 | svoboda | 372 | printf("Start tracing thread [%d] (hash 0x%x)\n", thread_id, thread_hash); |
3438 | svoboda | 373 | |
374 | while (!abort_trace) { |
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375 | |||
376 | /* Run thread until an event occurs */ |
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377 | rc = udebug_go(phoneid, thread_hash, |
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378 | &ev_type, &val0, &val1); |
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379 | |||
380 | // printf("rc = %d, ev_type=%d\n", rc, ev_type); |
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381 | if (ev_type == UDEBUG_EVENT_FINISHED) { |
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3442 | svoboda | 382 | /* Done tracing this thread */ |
3438 | svoboda | 383 | break; |
384 | } |
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385 | |||
386 | if (rc >= 0) { |
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387 | switch (ev_type) { |
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388 | case UDEBUG_EVENT_SYSCALL_B: |
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389 | event_syscall_b(thread_id, thread_hash, val0, (int)val1); |
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390 | break; |
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391 | case UDEBUG_EVENT_SYSCALL_E: |
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392 | event_syscall_e(thread_id, thread_hash, val0, (int)val1); |
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393 | break; |
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394 | case UDEBUG_EVENT_STOP: |
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3442 | svoboda | 395 | printf("Stop event\n"); |
396 | printf("Waiting for resume\n"); |
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3438 | svoboda | 397 | while (paused) { |
398 | usleep(1000000); |
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399 | fibril_yield(); |
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400 | printf("."); |
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401 | } |
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3442 | svoboda | 402 | printf("Resumed\n"); |
3438 | svoboda | 403 | break; |
404 | case UDEBUG_EVENT_THREAD_B: |
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405 | event_thread_b(val0); |
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406 | break; |
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407 | case UDEBUG_EVENT_THREAD_E: |
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3442 | svoboda | 408 | printf("Thread 0x%x exited\n", val0); |
3438 | svoboda | 409 | abort_trace = 1; |
410 | break; |
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411 | default: |
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3442 | svoboda | 412 | printf("Unknown event type %d\n", ev_type); |
3438 | svoboda | 413 | break; |
414 | } |
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415 | } |
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416 | |||
417 | } |
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418 | |||
3442 | svoboda | 419 | printf("Finished tracing thread [%d]\n", thread_id); |
3438 | svoboda | 420 | return 0; |
421 | } |
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422 | |||
423 | void thread_trace_start(unsigned thread_hash) |
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424 | { |
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425 | fid_t fid; |
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426 | |||
427 | thash = thread_hash; |
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428 | |||
429 | fid = fibril_create(trace_loop, (void *)thread_hash); |
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430 | if (fid == 0) { |
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431 | printf("Warning: Failed creating fibril\n"); |
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432 | } |
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433 | fibril_add_ready(fid); |
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434 | } |
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435 | |||
436 | static void trace_active_task(task_id_t task_id) |
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437 | { |
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438 | int i; |
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439 | int rc; |
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440 | int c; |
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441 | |||
442 | rc = task_connect(task_id); |
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443 | if (rc < 0) { |
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444 | printf("Failed to connect to task %lld\n", task_id); |
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445 | return; |
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446 | } |
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447 | |||
448 | printf("Connected to task %lld\n", task_id); |
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449 | |||
450 | ipcp_init(); |
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451 | |||
3442 | svoboda | 452 | /* |
453 | * User apps now typically have console on phone 3. |
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454 | * (Phones 1 and 2 are used by the loader). |
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455 | */ |
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456 | ipcp_connection_set(3, 0, proto_console); |
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457 | |||
3438 | svoboda | 458 | rc = get_thread_list(); |
459 | if (rc < 0) { |
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460 | printf("Failed to get thread list (error %d)\n", rc); |
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461 | return; |
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462 | } |
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463 | |||
464 | abort_trace = 0; |
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465 | |||
466 | for (i = 0; i < n_threads; i++) { |
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467 | thread_trace_start(thread_hash_buf[i]); |
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468 | } |
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469 | |||
470 | while(1) { |
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471 | c = getchar(); |
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472 | if (c == 'q') break; |
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473 | if (c == 'p') { |
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474 | paused = 1; |
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475 | rc = udebug_stop(phoneid, thash); |
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476 | printf("stop -> %d\n", rc); |
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477 | } |
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478 | if (c == 'r') { |
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479 | paused = 0; |
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480 | } |
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481 | } |
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482 | |||
3442 | svoboda | 483 | printf("\nTerminate debugging session...\n"); |
3438 | svoboda | 484 | abort_trace = 1; |
485 | udebug_end(phoneid); |
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486 | ipc_hangup(phoneid); |
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487 | |||
488 | ipcp_cleanup(); |
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489 | |||
3442 | svoboda | 490 | printf("Done\n"); |
3438 | svoboda | 491 | return; |
492 | } |
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493 | |||
494 | static void main_init(void) |
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495 | { |
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496 | proto_t *p; |
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497 | oper_t *o; |
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498 | |||
499 | next_thread_id = 1; |
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500 | paused = 0; |
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501 | |||
502 | proto_init(); |
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503 | |||
504 | p = proto_new("vfs"); |
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505 | o = oper_new("read"); |
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506 | proto_add_oper(p, VFS_READ, o); |
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507 | o = oper_new("write"); |
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508 | proto_add_oper(p, VFS_WRITE, o); |
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509 | o = oper_new("truncate"); |
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510 | proto_add_oper(p, VFS_TRUNCATE, o); |
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511 | o = oper_new("mount"); |
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512 | proto_add_oper(p, VFS_MOUNT, o); |
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513 | o = oper_new("unmount"); |
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514 | proto_add_oper(p, VFS_UNMOUNT, o); |
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515 | |||
516 | proto_register(SERVICE_VFS, p); |
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517 | |||
518 | p = proto_new("console"); |
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519 | o = oper_new("getchar"); |
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520 | proto_add_oper(p, CONSOLE_GETCHAR, o); |
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521 | o = oper_new("putchar"); |
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522 | proto_add_oper(p, CONSOLE_PUTCHAR, o); |
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523 | o = oper_new("clear"); |
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524 | proto_add_oper(p, CONSOLE_CLEAR, o); |
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525 | o = oper_new("goto"); |
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526 | proto_add_oper(p, CONSOLE_GOTO, o); |
||
527 | o = oper_new("getsize"); |
||
528 | proto_add_oper(p, CONSOLE_GETSIZE, o); |
||
529 | o = oper_new("flush"); |
||
530 | proto_add_oper(p, CONSOLE_FLUSH, o); |
||
531 | o = oper_new("set_style"); |
||
532 | proto_add_oper(p, CONSOLE_SET_STYLE, o); |
||
533 | o = oper_new("cursor_visibility"); |
||
534 | proto_add_oper(p, CONSOLE_CURSOR_VISIBILITY, o); |
||
535 | o = oper_new("flush"); |
||
536 | proto_add_oper(p, CONSOLE_FLUSH, o); |
||
537 | |||
538 | proto_console = p; |
||
539 | proto_register(SERVICE_CONSOLE, p); |
||
540 | } |
||
541 | |||
542 | static void print_syntax() |
||
543 | { |
||
3447 | svoboda | 544 | printf("Syntax:\n"); |
545 | printf("\ttrace [+<events>] <executable> [<arg1> [...]]\n"); |
||
546 | printf("or\ttrace [+<events>] -t <task_id>\n"); |
||
3444 | svoboda | 547 | printf("Events: (default is +tp)\n"); |
548 | printf("\n"); |
||
549 | printf("\tt ... Thread creation and termination\n"); |
||
550 | printf("\ts ... System calls\n"); |
||
551 | printf("\ti ... Low-level IPC\n"); |
||
552 | printf("\tp ... Protocol level\n"); |
||
553 | printf("\n"); |
||
3447 | svoboda | 554 | printf("Examples:\n"); |
555 | printf("\ttrace +s /app/tetris\n"); |
||
556 | printf("\ttrace +tsip -t 12\n"); |
||
3438 | svoboda | 557 | } |
558 | |||
3444 | svoboda | 559 | static display_mask_t parse_display_mask(char *text) |
3438 | svoboda | 560 | { |
3444 | svoboda | 561 | display_mask_t dm; |
562 | char *c; |
||
563 | |||
564 | c = text; |
||
565 | |||
566 | while (*c) { |
||
567 | switch (*c) { |
||
568 | case 't': dm = dm | DM_THREAD; break; |
||
569 | case 's': dm = dm | DM_SYSCALL; break; |
||
570 | case 'i': dm = dm | DM_IPC; break; |
||
571 | case 'p': dm = dm | DM_SYSTEM | DM_USER; break; |
||
572 | default: |
||
573 | printf("Unexpected event type '%c'\n", *c); |
||
574 | exit(1); |
||
575 | } |
||
576 | |||
577 | ++c; |
||
578 | } |
||
579 | |||
580 | return dm; |
||
581 | } |
||
582 | |||
583 | static int parse_args(int argc, char *argv[]) |
||
584 | { |
||
585 | char *arg; |
||
3438 | svoboda | 586 | char *err_p; |
587 | |||
3447 | svoboda | 588 | task_id = 0; |
589 | |||
3444 | svoboda | 590 | --argc; ++argv; |
591 | |||
3447 | svoboda | 592 | while (argc > 0) { |
3444 | svoboda | 593 | arg = *argv; |
594 | if (arg[0] == '+') { |
||
595 | display_mask = parse_display_mask(&arg[1]); |
||
3447 | svoboda | 596 | } else if (arg[0] == '-') { |
597 | if (arg[1] == 't') { |
||
598 | /* Trace an already running task */ |
||
599 | --argc; ++argv; |
||
600 | task_id = strtol(*argv, &err_p, 10); |
||
601 | if (*err_p) { |
||
602 | printf("Task ID syntax error\n"); |
||
603 | print_syntax(); |
||
604 | return -1; |
||
605 | } |
||
606 | } else { |
||
607 | printf("Uknown option '%s'\n", arg[0]); |
||
608 | print_syntax(); |
||
609 | return -1; |
||
610 | } |
||
3444 | svoboda | 611 | } else { |
3447 | svoboda | 612 | break; |
3444 | svoboda | 613 | } |
614 | |||
615 | --argc; ++argv; |
||
616 | } |
||
617 | |||
3447 | svoboda | 618 | if (task_id != 0) { |
619 | if (argc == 0) return; |
||
620 | printf("Extra arguments\n"); |
||
3438 | svoboda | 621 | print_syntax(); |
3447 | svoboda | 622 | return -1; |
3438 | svoboda | 623 | } |
624 | |||
3447 | svoboda | 625 | if (argc < 1) { |
626 | printf("Missing argument\n"); |
||
3438 | svoboda | 627 | print_syntax(); |
3444 | svoboda | 628 | return -1; |
3438 | svoboda | 629 | } |
630 | |||
3447 | svoboda | 631 | /* Execute the specified command and trace the new task. */ |
632 | printf("Spawning '%s' with arguments:\n", *argv); |
||
633 | { |
||
634 | char **cp = argv; |
||
635 | while (*cp) printf("'%s'\n", *cp++); |
||
636 | } |
||
637 | task_id = task_spawn(*argv, argv); |
||
638 | |||
3444 | svoboda | 639 | return 0; |
640 | } |
||
641 | |||
642 | int main(int argc, char *argv[]) |
||
643 | { |
||
644 | printf("System Call / IPC Tracer\n"); |
||
645 | |||
646 | display_mask = DM_THREAD | DM_SYSTEM | DM_USER; |
||
647 | |||
648 | if (parse_args(argc, argv) < 0) |
||
649 | return 1; |
||
650 | |||
3438 | svoboda | 651 | main_init(); |
652 | trace_active_task(task_id); |
||
3444 | svoboda | 653 | |
654 | return 0; |
||
3438 | svoboda | 655 | } |
656 | |||
657 | /** @} |
||
658 | */ |