1 /* 2 * Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 /* Error message and general message handling functions. */ 27 28 /* NOTE: We assume that most strings passed around this library are 29 * UTF-8 (modified or standard) and not platform encoding. 30 * Before sending any strings to the "system" (e.g. OS system 31 * calls, or system input/output functions like fprintf) we need 32 * to make sure that the strings are transformed from UTF-8 to 33 * the platform encoding accepted by the system. 34 * UTF-8 and most encodings have simple ASCII or ISO-Latin 35 * characters as a subset, so in most cases the strings really 36 * don't need to be converted, but we don't know that easily. 37 * Parts of messages can be non-ASCII in some cases, so they may 38 * include classnames, methodnames, signatures, or other pieces 39 * that could contain non-ASCII characters, either from JNI or 40 * JVMTI (which both return modified UTF-8 strings). 41 * (It's possible that the platform encoding IS UTF-8, but we 42 * assume not, just to be safe). 43 * 44 */ 45 46 #include <stdarg.h> 47 #include <errno.h> 48 49 #include "util.h" 50 #include "proc_md.h" 51 52 /* Maximim length of a message */ 53 #define MAX_MESSAGE_LEN MAXPATHLEN*2+512 54 55 /* Print message in platform encoding (assume all input is UTF-8 safe) 56 * NOTE: This function is at the lowest level of the call tree. 57 * Do not use the ERROR* macros here. 58 */ 59 static void 60 vprint_message(FILE *fp, const char *prefix, const char *suffix, 61 const char *format, va_list ap) 62 { 63 jbyte utf8buf[MAX_MESSAGE_LEN+1]; 64 int len; 65 char pbuf[MAX_MESSAGE_LEN+1]; 66 67 /* Fill buffer with single UTF-8 string */ 68 (void)vsnprintf((char*)utf8buf, MAX_MESSAGE_LEN, format, ap); 69 utf8buf[MAX_MESSAGE_LEN] = 0; 70 len = (int)strlen((char*)utf8buf); 71 72 /* Convert to platform encoding (ignore errors, dangerous area) */ 73 if (gdata->npt != NULL) { 74 (void)(gdata->npt->utf8ToPlatform)(gdata->npt->utf, 75 utf8buf, len, pbuf, MAX_MESSAGE_LEN); 76 } else { 77 /* May be called before NPT is initialized so don't fault */ 78 strncpy(pbuf, (char*)utf8buf, len); 79 } 80 (void)fprintf(fp, "%s%s%s", prefix, pbuf, suffix); 81 } 82 83 /* Print message in platform encoding (assume all input is UTF-8 safe) 84 * NOTE: This function is at the lowest level of the call tree. 85 * Do not use the ERROR* macros here. 86 */ 87 void 88 print_message(FILE *fp, const char *prefix, const char *suffix, 89 const char *format, ...) 90 { 91 va_list ap; 92 93 va_start(ap, format); 94 vprint_message(fp, prefix, suffix, format, ap); 95 va_end(ap); 96 } 97 98 /* Generate error message */ 99 void 100 error_message(const char *format, ...) 101 { 102 va_list ap; 103 104 va_start(ap, format); 105 vprint_message(stderr, "ERROR: ", "\n", format, ap); 106 va_end(ap); 107 if ( gdata->doerrorexit ) { 108 EXIT_ERROR(AGENT_ERROR_INTERNAL,"Requested errorexit=y exit()"); 109 } 110 } 111 112 /* Print plain message to stdout. */ 113 void 114 tty_message(const char *format, ...) 115 { 116 va_list ap; 117 118 va_start(ap, format); 119 vprint_message(stdout, "", "\n", format, ap); 120 va_end(ap); 121 (void)fflush(stdout); 122 } 123 124 /* Print assertion error message to stderr. */ 125 void 126 jdiAssertionFailed(char *fileName, int lineNumber, char *msg) 127 { 128 LOG_MISC(("ASSERT FAILED: %s : %d - %s\n", fileName, lineNumber, msg)); 129 print_message(stderr, "ASSERT FAILED: ", "\n", 130 "%s : %d - %s", fileName, lineNumber, msg); 131 if (gdata && gdata->assertFatal) { 132 EXIT_ERROR(AGENT_ERROR_INTERNAL,"Assertion Failed"); 133 } 134 } 135 136 /* Macro for case on switch, returns string for name. */ 137 #define CASE_RETURN_TEXT(name) case name: return #name; 138 139 /* Mapping of JVMTI errors to their name */ 140 const char * 141 jvmtiErrorText(jvmtiError error) 142 { 143 switch (error) { 144 CASE_RETURN_TEXT(JVMTI_ERROR_NONE) 145 CASE_RETURN_TEXT(JVMTI_ERROR_INVALID_THREAD) 146 CASE_RETURN_TEXT(JVMTI_ERROR_INVALID_THREAD_GROUP) 147 CASE_RETURN_TEXT(JVMTI_ERROR_INVALID_PRIORITY) 148 CASE_RETURN_TEXT(JVMTI_ERROR_THREAD_NOT_SUSPENDED) 149 CASE_RETURN_TEXT(JVMTI_ERROR_THREAD_SUSPENDED) 150 CASE_RETURN_TEXT(JVMTI_ERROR_THREAD_NOT_ALIVE) 151 CASE_RETURN_TEXT(JVMTI_ERROR_INVALID_OBJECT) 152 CASE_RETURN_TEXT(JVMTI_ERROR_INVALID_CLASS) 153 CASE_RETURN_TEXT(JVMTI_ERROR_CLASS_NOT_PREPARED) 154 CASE_RETURN_TEXT(JVMTI_ERROR_INVALID_METHODID) 155 CASE_RETURN_TEXT(JVMTI_ERROR_INVALID_LOCATION) 156 CASE_RETURN_TEXT(JVMTI_ERROR_INVALID_FIELDID) 157 CASE_RETURN_TEXT(JVMTI_ERROR_NO_MORE_FRAMES) 158 CASE_RETURN_TEXT(JVMTI_ERROR_OPAQUE_FRAME) 159 CASE_RETURN_TEXT(JVMTI_ERROR_TYPE_MISMATCH) 160 CASE_RETURN_TEXT(JVMTI_ERROR_INVALID_SLOT) 161 CASE_RETURN_TEXT(JVMTI_ERROR_DUPLICATE) 162 CASE_RETURN_TEXT(JVMTI_ERROR_NOT_FOUND) 163 CASE_RETURN_TEXT(JVMTI_ERROR_INVALID_MONITOR) 164 CASE_RETURN_TEXT(JVMTI_ERROR_NOT_MONITOR_OWNER) 165 CASE_RETURN_TEXT(JVMTI_ERROR_INTERRUPT) 166 CASE_RETURN_TEXT(JVMTI_ERROR_INVALID_CLASS_FORMAT) 167 CASE_RETURN_TEXT(JVMTI_ERROR_CIRCULAR_CLASS_DEFINITION) 168 CASE_RETURN_TEXT(JVMTI_ERROR_FAILS_VERIFICATION) 169 CASE_RETURN_TEXT(JVMTI_ERROR_UNSUPPORTED_REDEFINITION_METHOD_ADDED) 170 CASE_RETURN_TEXT(JVMTI_ERROR_UNSUPPORTED_REDEFINITION_SCHEMA_CHANGED) 171 CASE_RETURN_TEXT(JVMTI_ERROR_INVALID_TYPESTATE) 172 CASE_RETURN_TEXT(JVMTI_ERROR_UNSUPPORTED_REDEFINITION_HIERARCHY_CHANGED) 173 CASE_RETURN_TEXT(JVMTI_ERROR_UNSUPPORTED_REDEFINITION_METHOD_DELETED) 174 CASE_RETURN_TEXT(JVMTI_ERROR_UNSUPPORTED_VERSION) 175 CASE_RETURN_TEXT(JVMTI_ERROR_NAMES_DONT_MATCH) 176 CASE_RETURN_TEXT(JVMTI_ERROR_UNSUPPORTED_REDEFINITION_CLASS_MODIFIERS_CHANGED) 177 CASE_RETURN_TEXT(JVMTI_ERROR_UNSUPPORTED_REDEFINITION_METHOD_MODIFIERS_CHANGED) 178 CASE_RETURN_TEXT(JVMTI_ERROR_NOT_AVAILABLE) 179 CASE_RETURN_TEXT(JVMTI_ERROR_MUST_POSSESS_CAPABILITY) 180 CASE_RETURN_TEXT(JVMTI_ERROR_NULL_POINTER) 181 CASE_RETURN_TEXT(JVMTI_ERROR_ABSENT_INFORMATION) 182 CASE_RETURN_TEXT(JVMTI_ERROR_INVALID_EVENT_TYPE) 183 CASE_RETURN_TEXT(JVMTI_ERROR_ILLEGAL_ARGUMENT) 184 CASE_RETURN_TEXT(JVMTI_ERROR_OUT_OF_MEMORY) 185 CASE_RETURN_TEXT(JVMTI_ERROR_ACCESS_DENIED) 186 CASE_RETURN_TEXT(JVMTI_ERROR_WRONG_PHASE) 187 CASE_RETURN_TEXT(JVMTI_ERROR_INTERNAL) 188 CASE_RETURN_TEXT(JVMTI_ERROR_UNATTACHED_THREAD) 189 CASE_RETURN_TEXT(JVMTI_ERROR_INVALID_ENVIRONMENT) 190 191 CASE_RETURN_TEXT(AGENT_ERROR_INTERNAL) 192 CASE_RETURN_TEXT(AGENT_ERROR_VM_DEAD) 193 CASE_RETURN_TEXT(AGENT_ERROR_NO_JNI_ENV) 194 CASE_RETURN_TEXT(AGENT_ERROR_JNI_EXCEPTION) 195 CASE_RETURN_TEXT(AGENT_ERROR_JVMTI_INTERNAL) 196 CASE_RETURN_TEXT(AGENT_ERROR_JDWP_INTERNAL) 197 CASE_RETURN_TEXT(AGENT_ERROR_NOT_CURRENT_FRAME) 198 CASE_RETURN_TEXT(AGENT_ERROR_OUT_OF_MEMORY) 199 CASE_RETURN_TEXT(AGENT_ERROR_INVALID_TAG) 200 CASE_RETURN_TEXT(AGENT_ERROR_ALREADY_INVOKING) 201 CASE_RETURN_TEXT(AGENT_ERROR_INVALID_INDEX) 202 CASE_RETURN_TEXT(AGENT_ERROR_INVALID_LENGTH) 203 CASE_RETURN_TEXT(AGENT_ERROR_INVALID_STRING) 204 CASE_RETURN_TEXT(AGENT_ERROR_INVALID_CLASS_LOADER) 205 CASE_RETURN_TEXT(AGENT_ERROR_INVALID_ARRAY) 206 CASE_RETURN_TEXT(AGENT_ERROR_TRANSPORT_LOAD) 207 CASE_RETURN_TEXT(AGENT_ERROR_TRANSPORT_INIT) 208 CASE_RETURN_TEXT(AGENT_ERROR_NATIVE_METHOD) 209 CASE_RETURN_TEXT(AGENT_ERROR_INVALID_COUNT) 210 CASE_RETURN_TEXT(AGENT_ERROR_INVALID_FRAMEID) 211 CASE_RETURN_TEXT(AGENT_ERROR_NULL_POINTER) 212 CASE_RETURN_TEXT(AGENT_ERROR_ILLEGAL_ARGUMENT) 213 CASE_RETURN_TEXT(AGENT_ERROR_INVALID_THREAD) 214 CASE_RETURN_TEXT(AGENT_ERROR_INVALID_EVENT_TYPE) 215 CASE_RETURN_TEXT(AGENT_ERROR_INVALID_OBJECT) 216 CASE_RETURN_TEXT(AGENT_ERROR_NO_MORE_FRAMES) 217 218 default: return "ERROR_unknown"; 219 } 220 } 221 222 const char * 223 eventText(int i) 224 { 225 switch ( i ) { 226 CASE_RETURN_TEXT(EI_SINGLE_STEP) 227 CASE_RETURN_TEXT(EI_BREAKPOINT) 228 CASE_RETURN_TEXT(EI_FRAME_POP) 229 CASE_RETURN_TEXT(EI_EXCEPTION) 230 CASE_RETURN_TEXT(EI_THREAD_START) 231 CASE_RETURN_TEXT(EI_THREAD_END) 232 CASE_RETURN_TEXT(EI_CLASS_PREPARE) 233 CASE_RETURN_TEXT(EI_CLASS_LOAD) 234 CASE_RETURN_TEXT(EI_FIELD_ACCESS) 235 CASE_RETURN_TEXT(EI_FIELD_MODIFICATION) 236 CASE_RETURN_TEXT(EI_EXCEPTION_CATCH) 237 CASE_RETURN_TEXT(EI_METHOD_ENTRY) 238 CASE_RETURN_TEXT(EI_METHOD_EXIT) 239 CASE_RETURN_TEXT(EI_VM_INIT) 240 CASE_RETURN_TEXT(EI_VM_DEATH) 241 CASE_RETURN_TEXT(EI_GC_FINISH) 242 default: return "EVENT_unknown"; 243 } 244 } 245 246 /* Macro for case on switch, returns string for name. */ 247 #define CASE_RETURN_JDWP_ERROR_TEXT(name) case JDWP_ERROR(name): return #name; 248 249 const char * 250 jdwpErrorText(jdwpError serror) 251 { 252 switch ( serror ) { 253 CASE_RETURN_JDWP_ERROR_TEXT(NONE) 254 CASE_RETURN_JDWP_ERROR_TEXT(INVALID_THREAD) 255 CASE_RETURN_JDWP_ERROR_TEXT(INVALID_THREAD_GROUP) 256 CASE_RETURN_JDWP_ERROR_TEXT(INVALID_PRIORITY) 257 CASE_RETURN_JDWP_ERROR_TEXT(THREAD_NOT_SUSPENDED) 258 CASE_RETURN_JDWP_ERROR_TEXT(THREAD_SUSPENDED) 259 CASE_RETURN_JDWP_ERROR_TEXT(INVALID_OBJECT) 260 CASE_RETURN_JDWP_ERROR_TEXT(INVALID_CLASS) 261 CASE_RETURN_JDWP_ERROR_TEXT(CLASS_NOT_PREPARED) 262 CASE_RETURN_JDWP_ERROR_TEXT(INVALID_METHODID) 263 CASE_RETURN_JDWP_ERROR_TEXT(INVALID_LOCATION) 264 CASE_RETURN_JDWP_ERROR_TEXT(INVALID_FIELDID) 265 CASE_RETURN_JDWP_ERROR_TEXT(INVALID_FRAMEID) 266 CASE_RETURN_JDWP_ERROR_TEXT(NO_MORE_FRAMES) 267 CASE_RETURN_JDWP_ERROR_TEXT(OPAQUE_FRAME) 268 CASE_RETURN_JDWP_ERROR_TEXT(NOT_CURRENT_FRAME) 269 CASE_RETURN_JDWP_ERROR_TEXT(TYPE_MISMATCH) 270 CASE_RETURN_JDWP_ERROR_TEXT(INVALID_SLOT) 271 CASE_RETURN_JDWP_ERROR_TEXT(DUPLICATE) 272 CASE_RETURN_JDWP_ERROR_TEXT(NOT_FOUND) 273 CASE_RETURN_JDWP_ERROR_TEXT(INVALID_MONITOR) 274 CASE_RETURN_JDWP_ERROR_TEXT(NOT_MONITOR_OWNER) 275 CASE_RETURN_JDWP_ERROR_TEXT(INTERRUPT) 276 CASE_RETURN_JDWP_ERROR_TEXT(INVALID_CLASS_FORMAT) 277 CASE_RETURN_JDWP_ERROR_TEXT(CIRCULAR_CLASS_DEFINITION) 278 CASE_RETURN_JDWP_ERROR_TEXT(FAILS_VERIFICATION) 279 CASE_RETURN_JDWP_ERROR_TEXT(ADD_METHOD_NOT_IMPLEMENTED) 280 CASE_RETURN_JDWP_ERROR_TEXT(SCHEMA_CHANGE_NOT_IMPLEMENTED) 281 CASE_RETURN_JDWP_ERROR_TEXT(INVALID_TYPESTATE) 282 CASE_RETURN_JDWP_ERROR_TEXT(HIERARCHY_CHANGE_NOT_IMPLEMENTED) 283 CASE_RETURN_JDWP_ERROR_TEXT(DELETE_METHOD_NOT_IMPLEMENTED) 284 CASE_RETURN_JDWP_ERROR_TEXT(UNSUPPORTED_VERSION) 285 CASE_RETURN_JDWP_ERROR_TEXT(NAMES_DONT_MATCH) 286 CASE_RETURN_JDWP_ERROR_TEXT(CLASS_MODIFIERS_CHANGE_NOT_IMPLEMENTED) 287 CASE_RETURN_JDWP_ERROR_TEXT(METHOD_MODIFIERS_CHANGE_NOT_IMPLEMENTED) 288 CASE_RETURN_JDWP_ERROR_TEXT(NOT_IMPLEMENTED) 289 CASE_RETURN_JDWP_ERROR_TEXT(NULL_POINTER) 290 CASE_RETURN_JDWP_ERROR_TEXT(ABSENT_INFORMATION) 291 CASE_RETURN_JDWP_ERROR_TEXT(INVALID_EVENT_TYPE) 292 CASE_RETURN_JDWP_ERROR_TEXT(ILLEGAL_ARGUMENT) 293 CASE_RETURN_JDWP_ERROR_TEXT(OUT_OF_MEMORY) 294 CASE_RETURN_JDWP_ERROR_TEXT(ACCESS_DENIED) 295 CASE_RETURN_JDWP_ERROR_TEXT(VM_DEAD) 296 CASE_RETURN_JDWP_ERROR_TEXT(INTERNAL) 297 CASE_RETURN_JDWP_ERROR_TEXT(UNATTACHED_THREAD) 298 CASE_RETURN_JDWP_ERROR_TEXT(INVALID_TAG) 299 CASE_RETURN_JDWP_ERROR_TEXT(ALREADY_INVOKING) 300 CASE_RETURN_JDWP_ERROR_TEXT(INVALID_INDEX) 301 CASE_RETURN_JDWP_ERROR_TEXT(INVALID_LENGTH) 302 CASE_RETURN_JDWP_ERROR_TEXT(INVALID_STRING) 303 CASE_RETURN_JDWP_ERROR_TEXT(INVALID_CLASS_LOADER) 304 CASE_RETURN_JDWP_ERROR_TEXT(INVALID_ARRAY) 305 CASE_RETURN_JDWP_ERROR_TEXT(TRANSPORT_LOAD) 306 CASE_RETURN_JDWP_ERROR_TEXT(TRANSPORT_INIT) 307 CASE_RETURN_JDWP_ERROR_TEXT(NATIVE_METHOD) 308 CASE_RETURN_JDWP_ERROR_TEXT(INVALID_COUNT) 309 default: return "JDWP_ERROR_unknown"; 310 } 311 } 312 313 static int p = 1; 314 315 void 316 do_pause(void) 317 { 318 THREAD_T tid = GET_THREAD_ID(); 319 PID_T pid = GETPID(); 320 int timeleft = 600; /* 10 minutes max */ 321 int interval = 10; /* 10 second message check */ 322 323 /*LINTED*/ 324 tty_message("DEBUGGING: JDWP pause for PID %d, THREAD %d (0x%x)", 325 /*LINTED*/ 326 (int)(intptr_t)pid, (int)(intptr_t)tid, (int)(intptr_t)tid); 327 while ( p && timeleft > 0 ) { 328 (void)sleep(interval); /* 'assign p = 0;' to get out of loop */ 329 timeleft -= interval; 330 } 331 if ( timeleft <= 0 ) { 332 tty_message("DEBUGGING: JDWP pause got tired of waiting and gave up."); 333 } 334 } 335
