Mercurial > hg > truffle
annotate agent/src/os/solaris/proc/saproc.cpp @ 3306:405c634f4aaa
7028172: 3/4 SA needs to adapt to Solaris libproc change made in 6748307
Summary: Support build and runtime configs of old and new interfaces as appropriate.
Reviewed-by: acorn, never
| author | dcubed |
|---|---|
| date | Mon, 02 May 2011 14:53:49 -0700 |
| parents | c18cbe5936b8 |
| children | da91efe96a93 |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 2002, 2011, Oracle and/or its affiliates. All rights reserved. |
| 0 | 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. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 25 #include "salibproc.h" | |
| 26 #include "sun_jvm_hotspot_debugger_proc_ProcDebuggerLocal.h" | |
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27 #ifndef SOLARIS_11_B159_OR_LATER |
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28 #include <sys/utsname.h> |
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29 #endif |
| 0 | 30 #include <thread_db.h> |
| 31 #include <strings.h> | |
| 32 #include <limits.h> | |
| 33 #include <demangle.h> | |
| 34 #include <stdarg.h> | |
| 35 #include <stdlib.h> | |
| 36 #include <errno.h> | |
| 37 | |
| 38 #define CHECK_EXCEPTION_(value) if(env->ExceptionOccurred()) { return value; } | |
| 39 #define CHECK_EXCEPTION if(env->ExceptionOccurred()) { return;} | |
| 40 #define THROW_NEW_DEBUGGER_EXCEPTION_(str, value) { throwNewDebuggerException(env, str); return value; } | |
| 41 #define THROW_NEW_DEBUGGER_EXCEPTION(str) { throwNewDebuggerException(env, str); return;} | |
| 42 | |
| 43 #define SYMBOL_BUF_SIZE 256 | |
| 44 #define ERR_MSG_SIZE (PATH_MAX + 256) | |
| 45 | |
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46 // debug modes |
| 0 | 47 static int _libsaproc_debug = 0; |
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48 #ifndef SOLARIS_11_B159_OR_LATER |
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49 static bool _Pstack_iter_debug = false; |
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50 |
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51 static void dprintf_2(const char* format,...) { |
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52 if (_Pstack_iter_debug) { |
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53 va_list alist; |
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54 |
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55 va_start(alist, format); |
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56 fputs("Pstack_iter DEBUG: ", stderr); |
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57 vfprintf(stderr, format, alist); |
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58 va_end(alist); |
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59 } |
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60 } |
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61 #endif // !SOLARIS_11_B159_OR_LATER |
| 0 | 62 |
| 63 static void print_debug(const char* format,...) { | |
| 64 if (_libsaproc_debug) { | |
| 65 va_list alist; | |
| 66 | |
| 67 va_start(alist, format); | |
| 68 fputs("libsaproc DEBUG: ", stderr); | |
| 69 vfprintf(stderr, format, alist); | |
| 70 va_end(alist); | |
| 71 } | |
| 72 } | |
| 73 | |
| 74 struct Debugger { | |
| 75 JNIEnv* env; | |
| 76 jobject this_obj; | |
| 77 }; | |
| 78 | |
| 79 struct DebuggerWithObject : Debugger { | |
| 80 jobject obj; | |
| 81 }; | |
| 82 | |
| 83 struct DebuggerWith2Objects : DebuggerWithObject { | |
| 84 jobject obj2; | |
| 85 }; | |
| 86 | |
| 87 /* | |
| 88 * Portions of user thread level detail gathering code is from pstack source | |
| 89 * code. See pstack.c in Solaris 2.8 user commands source code. | |
| 90 */ | |
| 91 | |
| 92 static void throwNewDebuggerException(JNIEnv* env, const char* errMsg) { | |
| 93 env->ThrowNew(env->FindClass("sun/jvm/hotspot/debugger/DebuggerException"), errMsg); | |
| 94 } | |
| 95 | |
| 96 // JNI ids for some fields, methods | |
| 97 | |
| 98 // libproc handler pointer | |
| 99 static jfieldID p_ps_prochandle_ID = 0; | |
| 100 | |
| 101 // libthread.so dlopen handle, thread agent ptr and function pointers | |
| 102 static jfieldID libthread_db_handle_ID = 0; | |
| 103 static jfieldID p_td_thragent_t_ID = 0; | |
| 104 static jfieldID p_td_init_ID = 0; | |
| 105 static jfieldID p_td_ta_new_ID = 0; | |
| 106 static jfieldID p_td_ta_delete_ID = 0; | |
| 107 static jfieldID p_td_ta_thr_iter_ID = 0; | |
| 108 static jfieldID p_td_thr_get_info_ID = 0; | |
| 109 static jfieldID p_td_ta_map_id2thr_ID = 0; | |
| 110 static jfieldID p_td_thr_getgregs_ID = 0; | |
| 111 | |
| 112 // reg index fields | |
| 113 static jfieldID pcRegIndex_ID = 0; | |
| 114 static jfieldID fpRegIndex_ID = 0; | |
| 115 | |
| 116 // part of the class sharing workaround | |
| 117 static jfieldID classes_jsa_fd_ID = 0; | |
| 118 static jfieldID p_file_map_header_ID = 0; | |
| 119 | |
| 120 // method ids | |
| 121 | |
| 122 static jmethodID getThreadForThreadId_ID = 0; | |
| 123 static jmethodID createSenderFrame_ID = 0; | |
| 124 static jmethodID createLoadObject_ID = 0; | |
| 125 static jmethodID createClosestSymbol_ID = 0; | |
| 126 static jmethodID listAdd_ID = 0; | |
| 127 | |
| 128 /* | |
| 129 * Functions we need from libthread_db | |
| 130 */ | |
| 131 typedef td_err_e | |
| 132 (*p_td_init_t)(void); | |
| 133 typedef td_err_e | |
| 134 (*p_td_ta_new_t)(void *, td_thragent_t **); | |
| 135 typedef td_err_e | |
| 136 (*p_td_ta_delete_t)(td_thragent_t *); | |
| 137 typedef td_err_e | |
| 138 (*p_td_ta_thr_iter_t)(const td_thragent_t *, td_thr_iter_f *, void *, | |
| 139 td_thr_state_e, int, sigset_t *, unsigned); | |
| 140 typedef td_err_e | |
| 141 (*p_td_thr_get_info_t)(const td_thrhandle_t *, td_thrinfo_t *); | |
| 142 typedef td_err_e | |
| 143 (*p_td_ta_map_id2thr_t)(const td_thragent_t *, thread_t, td_thrhandle_t *); | |
| 144 typedef td_err_e | |
| 145 (*p_td_thr_getgregs_t)(const td_thrhandle_t *, prgregset_t); | |
| 146 | |
| 147 static void | |
| 148 clear_libthread_db_ptrs(JNIEnv* env, jobject this_obj) { | |
| 149 // release libthread_db agent, if we had created | |
| 150 p_td_ta_delete_t p_td_ta_delete = 0; | |
| 151 p_td_ta_delete = (p_td_ta_delete_t) env->GetLongField(this_obj, p_td_ta_delete_ID); | |
| 152 | |
| 153 td_thragent_t *p_td_thragent_t = 0; | |
| 154 p_td_thragent_t = (td_thragent_t*) env->GetLongField(this_obj, p_td_thragent_t_ID); | |
| 155 if (p_td_thragent_t != 0 && p_td_ta_delete != 0) { | |
| 156 p_td_ta_delete(p_td_thragent_t); | |
| 157 } | |
| 158 | |
| 159 // dlclose libthread_db.so | |
| 160 void* libthread_db_handle = (void*) env->GetLongField(this_obj, libthread_db_handle_ID); | |
| 161 if (libthread_db_handle != 0) { | |
| 162 dlclose(libthread_db_handle); | |
| 163 } | |
| 164 | |
| 165 env->SetLongField(this_obj, libthread_db_handle_ID, (jlong)0); | |
| 166 env->SetLongField(this_obj, p_td_init_ID, (jlong)0); | |
| 167 env->SetLongField(this_obj, p_td_ta_new_ID, (jlong)0); | |
| 168 env->SetLongField(this_obj, p_td_ta_delete_ID, (jlong)0); | |
| 169 env->SetLongField(this_obj, p_td_ta_thr_iter_ID, (jlong)0); | |
| 170 env->SetLongField(this_obj, p_td_thr_get_info_ID, (jlong)0); | |
| 171 env->SetLongField(this_obj, p_td_ta_map_id2thr_ID, (jlong)0); | |
| 172 env->SetLongField(this_obj, p_td_thr_getgregs_ID, (jlong)0); | |
| 173 } | |
| 174 | |
| 175 | |
| 176 static void detach_internal(JNIEnv* env, jobject this_obj) { | |
| 177 // clear libthread_db stuff | |
| 178 clear_libthread_db_ptrs(env, this_obj); | |
| 179 | |
| 180 // release ptr to ps_prochandle | |
| 181 jlong p_ps_prochandle; | |
| 182 p_ps_prochandle = env->GetLongField(this_obj, p_ps_prochandle_ID); | |
| 183 if (p_ps_prochandle != 0L) { | |
| 184 Prelease((struct ps_prochandle*) p_ps_prochandle, PRELEASE_CLEAR); | |
| 185 } | |
| 186 | |
| 187 // part of the class sharing workaround | |
| 188 int classes_jsa_fd = env->GetIntField(this_obj, classes_jsa_fd_ID); | |
| 189 if (classes_jsa_fd != -1) { | |
| 190 close(classes_jsa_fd); | |
| 191 struct FileMapHeader* pheader = (struct FileMapHeader*) env->GetLongField(this_obj, p_file_map_header_ID); | |
| 192 if (pheader != NULL) { | |
| 193 free(pheader); | |
| 194 } | |
| 195 } | |
| 196 } | |
| 197 | |
| 198 // Is it okay to ignore libthread_db failure? Set env var to ignore | |
| 199 // libthread_db failure. You can still debug, but will miss threads | |
| 200 // related functionality. | |
| 201 static bool sa_ignore_threaddb = (getenv("SA_IGNORE_THREADDB") != 0); | |
| 202 | |
| 203 #define HANDLE_THREADDB_FAILURE(msg) \ | |
| 204 if (sa_ignore_threaddb) { \ | |
| 205 printf("libsaproc WARNING: %s\n", msg); \ | |
| 206 return; \ | |
| 207 } else { \ | |
| 208 THROW_NEW_DEBUGGER_EXCEPTION(msg); \ | |
| 209 } | |
| 210 | |
| 211 #define HANDLE_THREADDB_FAILURE_(msg, ret) \ | |
| 212 if (sa_ignore_threaddb) { \ | |
| 213 printf("libsaproc WARNING: %s\n", msg); \ | |
| 214 return ret; \ | |
| 215 } else { \ | |
| 216 THROW_NEW_DEBUGGER_EXCEPTION_(msg, ret); \ | |
| 217 } | |
| 218 | |
| 219 static const char * alt_root = NULL; | |
| 220 static int alt_root_len = -1; | |
| 221 | |
| 222 #define SA_ALTROOT "SA_ALTROOT" | |
| 223 | |
| 224 static void init_alt_root() { | |
| 225 if (alt_root_len == -1) { | |
| 226 alt_root = getenv(SA_ALTROOT); | |
| 227 if (alt_root) | |
| 228 alt_root_len = strlen(alt_root); | |
| 229 else | |
| 230 alt_root_len = 0; | |
| 231 } | |
| 232 } | |
| 233 | |
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234 // This function is a complete substitute for the open system call |
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235 // since it's also used to override open calls from libproc to |
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236 // implement as a pathmap style facility for the SA. If libproc |
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237 // starts using other interfaces then this might have to extended to |
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238 // cover other calls. |
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239 extern "C" int libsaproc_open(const char * name, int oflag, ...) { |
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240 if (oflag == O_RDONLY) { |
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241 init_alt_root(); |
| 0 | 242 |
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243 if (_libsaproc_debug) { |
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244 printf("libsaproc DEBUG: libsaproc_open %s\n", name); |
| 0 | 245 } |
| 246 | |
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247 if (alt_root_len > 0) { |
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248 int fd = -1; |
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249 char alt_path[PATH_MAX+1]; |
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250 |
| 0 | 251 strcpy(alt_path, alt_root); |
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252 strcat(alt_path, name); |
| 0 | 253 fd = open(alt_path, O_RDONLY); |
| 254 if (fd >= 0) { | |
| 255 if (_libsaproc_debug) { | |
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256 printf("libsaproc DEBUG: libsaproc_open substituted %s\n", alt_path); |
| 0 | 257 } |
| 258 return fd; | |
| 259 } | |
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260 |
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261 if (strrchr(name, '/')) { |
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262 strcpy(alt_path, alt_root); |
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263 strcat(alt_path, strrchr(name, '/')); |
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264 fd = open(alt_path, O_RDONLY); |
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265 if (fd >= 0) { |
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266 if (_libsaproc_debug) { |
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267 printf("libsaproc DEBUG: libsaproc_open substituted %s\n", alt_path); |
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268 } |
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269 return fd; |
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270 } |
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271 } |
| 0 | 272 } |
| 273 } | |
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274 |
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275 { |
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276 mode_t mode; |
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277 va_list ap; |
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278 va_start(ap, oflag); |
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279 mode = va_arg(ap, mode_t); |
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280 va_end(ap); |
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281 |
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282 return open(name, oflag, mode); |
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283 } |
| 0 | 284 } |
| 285 | |
| 286 | |
| 287 static void * pathmap_dlopen(const char * name, int mode) { | |
| 288 init_alt_root(); | |
| 289 | |
| 290 if (_libsaproc_debug) { | |
| 291 printf("libsaproc DEBUG: pathmap_dlopen %s\n", name); | |
| 292 } | |
| 293 | |
| 294 void * handle = NULL; | |
| 295 if (alt_root_len > 0) { | |
| 296 char alt_path[PATH_MAX+1]; | |
| 297 strcpy(alt_path, alt_root); | |
| 298 strcat(alt_path, name); | |
| 299 handle = dlopen(alt_path, mode); | |
| 300 if (_libsaproc_debug && handle) { | |
| 301 printf("libsaproc DEBUG: pathmap_dlopen substituted %s\n", alt_path); | |
| 302 } | |
| 303 | |
| 304 if (handle == NULL && strrchr(name, '/')) { | |
| 305 strcpy(alt_path, alt_root); | |
| 306 strcat(alt_path, strrchr(name, '/')); | |
| 307 handle = dlopen(alt_path, mode); | |
| 308 if (_libsaproc_debug && handle) { | |
| 309 printf("libsaproc DEBUG: pathmap_dlopen substituted %s\n", alt_path); | |
| 310 } | |
| 311 } | |
| 312 } | |
| 313 if (handle == NULL) { | |
| 314 handle = dlopen(name, mode); | |
| 315 } | |
| 316 if (_libsaproc_debug) { | |
| 317 printf("libsaproc DEBUG: pathmap_dlopen %s return 0x%x\n", name, handle); | |
| 318 } | |
| 319 return handle; | |
| 320 } | |
| 321 | |
| 322 // libproc and libthread_db callback functions | |
| 323 | |
| 324 extern "C" { | |
| 325 | |
| 326 static int | |
| 327 init_libthread_db_ptrs(void *cd, const prmap_t *pmp, const char *object_name) { | |
| 328 Debugger* dbg = (Debugger*) cd; | |
| 329 JNIEnv* env = dbg->env; | |
| 330 jobject this_obj = dbg->this_obj; | |
| 331 struct ps_prochandle* ph = (struct ps_prochandle*) env->GetLongField(this_obj, p_ps_prochandle_ID); | |
| 332 | |
| 333 char *s1 = 0, *s2 = 0; | |
| 334 char libthread_db[PATH_MAX]; | |
| 335 | |
| 336 if (strstr(object_name, "/libthread.so.") == NULL) | |
| 337 return (0); | |
| 338 | |
| 339 /* | |
| 340 * We found a libthread. | |
| 341 * dlopen() the matching libthread_db and get the thread agent handle. | |
| 342 */ | |
| 343 if (Pstatus(ph)->pr_dmodel == PR_MODEL_NATIVE) { | |
| 344 (void) strcpy(libthread_db, object_name); | |
| 345 s1 = (char*) strstr(object_name, ".so."); | |
| 346 s2 = (char*) strstr(libthread_db, ".so."); | |
| 347 (void) strcpy(s2, "_db"); | |
| 348 s2 += 3; | |
| 349 (void) strcpy(s2, s1); | |
| 350 } else { | |
| 351 #ifdef _LP64 | |
| 352 /* | |
| 353 * The victim process is 32-bit, we are 64-bit. | |
| 354 * We have to find the 64-bit version of libthread_db | |
| 355 * that matches the victim's 32-bit version of libthread. | |
| 356 */ | |
| 357 (void) strcpy(libthread_db, object_name); | |
| 358 s1 = (char*) strstr(object_name, "/libthread.so."); | |
| 359 s2 = (char*) strstr(libthread_db, "/libthread.so."); | |
| 360 (void) strcpy(s2, "/64"); | |
| 361 s2 += 3; | |
| 362 (void) strcpy(s2, s1); | |
| 363 s1 = (char*) strstr(s1, ".so."); | |
| 364 s2 = (char*) strstr(s2, ".so."); | |
| 365 (void) strcpy(s2, "_db"); | |
| 366 s2 += 3; | |
| 367 (void) strcpy(s2, s1); | |
| 368 #else | |
| 369 return (0); | |
| 370 #endif /* _LP64 */ | |
| 371 } | |
| 372 | |
| 373 void* libthread_db_handle = 0; | |
| 374 if ((libthread_db_handle = pathmap_dlopen(libthread_db, RTLD_LAZY|RTLD_LOCAL)) == NULL) { | |
| 375 char errMsg[PATH_MAX + 256]; | |
| 376 sprintf(errMsg, "Can't load %s!", libthread_db); | |
| 377 HANDLE_THREADDB_FAILURE_(errMsg, 0); | |
| 378 } | |
| 379 env->SetLongField(this_obj, libthread_db_handle_ID, (jlong)(uintptr_t)libthread_db_handle); | |
| 380 | |
| 381 void* tmpPtr = 0; | |
| 382 tmpPtr = dlsym(libthread_db_handle, "td_init"); | |
| 383 if (tmpPtr == 0) { | |
| 384 HANDLE_THREADDB_FAILURE_("dlsym failed on td_init!", 0); | |
| 385 } | |
| 386 env->SetLongField(this_obj, p_td_init_ID, (jlong)(uintptr_t) tmpPtr); | |
| 387 | |
| 388 tmpPtr =dlsym(libthread_db_handle, "td_ta_new"); | |
| 389 if (tmpPtr == 0) { | |
| 390 HANDLE_THREADDB_FAILURE_("dlsym failed on td_ta_new!", 0); | |
| 391 } | |
| 392 env->SetLongField(this_obj, p_td_ta_new_ID, (jlong)(uintptr_t) tmpPtr); | |
| 393 | |
| 394 tmpPtr = dlsym(libthread_db_handle, "td_ta_delete"); | |
| 395 if (tmpPtr == 0) { | |
| 396 HANDLE_THREADDB_FAILURE_("dlsym failed on td_ta_delete!", 0); | |
| 397 } | |
| 398 env->SetLongField(this_obj, p_td_ta_delete_ID, (jlong)(uintptr_t) tmpPtr); | |
| 399 | |
| 400 tmpPtr = dlsym(libthread_db_handle, "td_ta_thr_iter"); | |
| 401 if (tmpPtr == 0) { | |
| 402 HANDLE_THREADDB_FAILURE_("dlsym failed on td_ta_thr_iter!", 0); | |
| 403 } | |
| 404 env->SetLongField(this_obj, p_td_ta_thr_iter_ID, (jlong)(uintptr_t) tmpPtr); | |
| 405 | |
| 406 tmpPtr = dlsym(libthread_db_handle, "td_thr_get_info"); | |
| 407 if (tmpPtr == 0) { | |
| 408 HANDLE_THREADDB_FAILURE_("dlsym failed on td_thr_get_info!", 0); | |
| 409 } | |
| 410 env->SetLongField(this_obj, p_td_thr_get_info_ID, (jlong)(uintptr_t) tmpPtr); | |
| 411 | |
| 412 tmpPtr = dlsym(libthread_db_handle, "td_ta_map_id2thr"); | |
| 413 if (tmpPtr == 0) { | |
| 414 HANDLE_THREADDB_FAILURE_("dlsym failed on td_ta_map_id2thr!", 0); | |
| 415 } | |
| 416 env->SetLongField(this_obj, p_td_ta_map_id2thr_ID, (jlong)(uintptr_t) tmpPtr); | |
| 417 | |
| 418 tmpPtr = dlsym(libthread_db_handle, "td_thr_getgregs"); | |
| 419 if (tmpPtr == 0) { | |
| 420 HANDLE_THREADDB_FAILURE_("dlsym failed on td_thr_getgregs!", 0); | |
| 421 } | |
| 422 env->SetLongField(this_obj, p_td_thr_getgregs_ID, (jlong)(uintptr_t) tmpPtr); | |
| 423 | |
| 424 return 1; | |
| 425 } | |
| 426 | |
| 427 static int | |
| 428 fill_thread_list(const td_thrhandle_t *p_td_thragent_t, void* cd) { | |
| 429 DebuggerWithObject* dbgo = (DebuggerWithObject*) cd; | |
| 430 JNIEnv* env = dbgo->env; | |
| 431 jobject this_obj = dbgo->this_obj; | |
| 432 jobject list = dbgo->obj; | |
| 433 | |
| 434 td_thrinfo_t thrinfo; | |
| 435 p_td_thr_get_info_t p_td_thr_get_info = (p_td_thr_get_info_t) env->GetLongField(this_obj, p_td_thr_get_info_ID); | |
| 436 | |
| 437 if (p_td_thr_get_info(p_td_thragent_t, &thrinfo) != TD_OK) | |
| 438 return (0); | |
| 439 | |
| 440 jobject threadProxy = env->CallObjectMethod(this_obj, getThreadForThreadId_ID, (jlong)(uintptr_t) thrinfo.ti_tid); | |
| 441 CHECK_EXCEPTION_(1); | |
| 442 env->CallBooleanMethod(list, listAdd_ID, threadProxy); | |
| 443 CHECK_EXCEPTION_(1); | |
| 444 return 0; | |
| 445 } | |
| 446 | |
| 447 static int | |
| 448 fill_load_object_list(void *cd, const prmap_t* pmp, const char* obj_name) { | |
| 449 | |
| 450 if (obj_name) { | |
| 451 DebuggerWithObject* dbgo = (DebuggerWithObject*) cd; | |
| 452 JNIEnv* env = dbgo->env; | |
| 453 jobject this_obj = dbgo->this_obj; | |
| 454 jobject list = dbgo->obj; | |
| 455 | |
| 456 jstring objectName = env->NewStringUTF(obj_name); | |
| 457 CHECK_EXCEPTION_(1); | |
| 458 | |
| 459 jlong mapSize = (jlong) pmp->pr_size; | |
| 460 jobject sharedObject = env->CallObjectMethod(this_obj, createLoadObject_ID, | |
| 461 objectName, mapSize, (jlong)(uintptr_t)pmp->pr_vaddr); | |
| 462 CHECK_EXCEPTION_(1); | |
| 463 env->CallBooleanMethod(list, listAdd_ID, sharedObject); | |
| 464 CHECK_EXCEPTION_(1); | |
| 465 } | |
| 466 | |
| 467 return 0; | |
| 468 } | |
| 469 | |
|
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470 // Pstack_iter() proc_stack_f callback prior to Nevada-B159 |
| 0 | 471 static int |
| 472 fill_cframe_list(void *cd, const prgregset_t regs, uint_t argc, const long *argv) { | |
| 473 DebuggerWith2Objects* dbgo2 = (DebuggerWith2Objects*) cd; | |
| 474 JNIEnv* env = dbgo2->env; | |
| 475 jobject this_obj = dbgo2->this_obj; | |
| 476 jobject curFrame = dbgo2->obj2; | |
| 477 | |
| 478 jint pcRegIndex = env->GetIntField(this_obj, pcRegIndex_ID); | |
| 479 jint fpRegIndex = env->GetIntField(this_obj, fpRegIndex_ID); | |
| 480 | |
| 481 jlong pc = (jlong) (uintptr_t) regs[pcRegIndex]; | |
| 482 jlong fp = (jlong) (uintptr_t) regs[fpRegIndex]; | |
| 483 | |
| 484 dbgo2->obj2 = env->CallObjectMethod(this_obj, createSenderFrame_ID, | |
| 485 curFrame, pc, fp); | |
| 486 CHECK_EXCEPTION_(1); | |
| 487 if (dbgo2->obj == 0) { | |
| 488 dbgo2->obj = dbgo2->obj2; | |
| 489 } | |
| 490 return 0; | |
| 491 } | |
| 492 | |
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493 // Pstack_iter() proc_stack_f callback in Nevada-B159 or later |
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494 /*ARGSUSED*/ |
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495 static int |
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496 wrapper_fill_cframe_list(void *cd, const prgregset_t regs, uint_t argc, |
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497 const long *argv, int frame_flags, int sig) { |
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498 return(fill_cframe_list(cd, regs, argc, argv)); |
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499 } |
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500 |
| 0 | 501 // part of the class sharing workaround |
| 502 | |
| 503 // FIXME: !!HACK ALERT!! | |
| 504 | |
| 505 // The format of sharing achive file header is needed to read shared heap | |
| 506 // file mappings. For now, I am hard coding portion of FileMapHeader here. | |
| 507 // Refer to filemap.hpp. | |
| 508 | |
| 509 // FileMapHeader describes the shared space data in the file to be | |
| 510 // mapped. This structure gets written to a file. It is not a class, so | |
| 511 // that the compilers don't add any compiler-private data to it. | |
| 512 | |
| 513 // Refer to CompactingPermGenGen::n_regions in compactingPermGenGen.hpp | |
| 514 const int NUM_SHARED_MAPS = 4; | |
| 515 | |
| 516 // Refer to FileMapInfo::_current_version in filemap.hpp | |
| 517 const int CURRENT_ARCHIVE_VERSION = 1; | |
| 518 | |
| 519 struct FileMapHeader { | |
| 520 int _magic; // identify file type. | |
| 521 int _version; // (from enum, above.) | |
| 522 size_t _alignment; // how shared archive should be aligned | |
| 523 | |
| 524 | |
| 525 struct space_info { | |
| 526 int _file_offset; // sizeof(this) rounded to vm page size | |
| 527 char* _base; // copy-on-write base address | |
| 528 size_t _capacity; // for validity checking | |
| 529 size_t _used; // for setting space top on read | |
| 530 | |
| 531 bool _read_only; // read only space? | |
| 532 bool _allow_exec; // executable code in space? | |
| 533 | |
| 534 } _space[NUM_SHARED_MAPS]; // was _space[CompactingPermGenGen::n_regions]; | |
| 535 | |
| 536 // Ignore the rest of the FileMapHeader. We don't need those fields here. | |
| 537 }; | |
| 538 | |
| 539 static bool | |
|
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540 read_jboolean(struct ps_prochandle* ph, psaddr_t addr, jboolean* pvalue) { |
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541 jboolean i; |
| 0 | 542 if (ps_pread(ph, addr, &i, sizeof(i)) == PS_OK) { |
| 543 *pvalue = i; | |
| 544 return true; | |
| 545 } else { | |
| 546 return false; | |
| 547 } | |
| 548 } | |
| 549 | |
| 550 static bool | |
| 551 read_pointer(struct ps_prochandle* ph, psaddr_t addr, uintptr_t* pvalue) { | |
| 552 uintptr_t uip; | |
| 553 if (ps_pread(ph, addr, &uip, sizeof(uip)) == PS_OK) { | |
| 554 *pvalue = uip; | |
| 555 return true; | |
| 556 } else { | |
| 557 return false; | |
| 558 } | |
| 559 } | |
| 560 | |
| 561 static bool | |
| 562 read_string(struct ps_prochandle* ph, psaddr_t addr, char* buf, size_t size) { | |
| 563 char ch = ' '; | |
| 564 size_t i = 0; | |
| 565 | |
| 566 while (ch != '\0') { | |
| 567 if (ps_pread(ph, addr, &ch, sizeof(ch)) != PS_OK) | |
| 568 return false; | |
| 569 | |
| 570 if (i < size - 1) { | |
| 571 buf[i] = ch; | |
| 572 } else { // smaller buffer | |
| 573 return false; | |
| 574 } | |
| 575 | |
| 576 i++; addr++; | |
| 577 } | |
| 578 | |
| 579 buf[i] = '\0'; | |
| 580 return true; | |
| 581 } | |
| 582 | |
| 583 #define USE_SHARED_SPACES_SYM "UseSharedSpaces" | |
| 584 // mangled symbol name for Arguments::SharedArchivePath | |
| 585 #define SHARED_ARCHIVE_PATH_SYM "__1cJArgumentsRSharedArchivePath_" | |
| 586 | |
| 587 static int | |
| 588 init_classsharing_workaround(void *cd, const prmap_t* pmap, const char* obj_name) { | |
| 589 Debugger* dbg = (Debugger*) cd; | |
| 590 JNIEnv* env = dbg->env; | |
| 591 jobject this_obj = dbg->this_obj; | |
| 592 const char* jvm_name = 0; | |
| 593 if ((jvm_name = strstr(obj_name, "libjvm.so")) != NULL || | |
| 594 (jvm_name = strstr(obj_name, "libjvm_g.so")) != NULL) { | |
| 595 jvm_name = obj_name; | |
| 596 } else { | |
| 597 return 0; | |
| 598 } | |
| 599 | |
| 600 struct ps_prochandle* ph = (struct ps_prochandle*) env->GetLongField(this_obj, p_ps_prochandle_ID); | |
| 601 | |
| 602 // initialize classes[_g].jsa file descriptor field. | |
| 603 dbg->env->SetIntField(this_obj, classes_jsa_fd_ID, -1); | |
| 604 | |
| 605 // check whether class sharing is on by reading variable "UseSharedSpaces" | |
| 606 psaddr_t useSharedSpacesAddr = 0; | |
| 607 ps_pglobal_lookup(ph, jvm_name, USE_SHARED_SPACES_SYM, &useSharedSpacesAddr); | |
| 608 if (useSharedSpacesAddr == 0) { | |
| 609 THROW_NEW_DEBUGGER_EXCEPTION_("can't find 'UseSharedSpaces' flag\n", 1); | |
| 610 } | |
| 611 | |
| 612 // read the value of the flag "UseSharedSpaces" | |
|
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613 // Since hotspot types are not available to build this library. So |
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614 // equivalent type "jboolean" is used to read the value of "UseSharedSpaces" |
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615 // which is same as hotspot type "bool". |
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616 jboolean value = 0; |
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617 if (read_jboolean(ph, useSharedSpacesAddr, &value) != true) { |
| 0 | 618 THROW_NEW_DEBUGGER_EXCEPTION_("can't read 'UseSharedSpaces' flag", 1); |
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619 } else if ((int)value == 0) { |
| 0 | 620 print_debug("UseSharedSpaces is false, assuming -Xshare:off!\n"); |
| 621 return 1; | |
| 622 } | |
| 623 | |
| 624 char classes_jsa[PATH_MAX]; | |
| 625 psaddr_t sharedArchivePathAddrAddr = 0; | |
| 626 ps_pglobal_lookup(ph, jvm_name, SHARED_ARCHIVE_PATH_SYM, &sharedArchivePathAddrAddr); | |
| 627 if (sharedArchivePathAddrAddr == 0) { | |
| 628 print_debug("can't find symbol 'Arguments::SharedArchivePath'\n"); | |
| 629 THROW_NEW_DEBUGGER_EXCEPTION_("can't get shared archive path from debuggee", 1); | |
| 630 } | |
| 631 | |
| 632 uintptr_t sharedArchivePathAddr = 0; | |
| 633 if (read_pointer(ph, sharedArchivePathAddrAddr, &sharedArchivePathAddr) != true) { | |
| 634 print_debug("can't find read pointer 'Arguments::SharedArchivePath'\n"); | |
| 635 THROW_NEW_DEBUGGER_EXCEPTION_("can't get shared archive path from debuggee", 1); | |
| 636 } | |
| 637 | |
| 638 if (read_string(ph, (psaddr_t)sharedArchivePathAddr, classes_jsa, sizeof(classes_jsa)) != true) { | |
| 639 print_debug("can't find read 'Arguments::SharedArchivePath' value\n"); | |
| 640 THROW_NEW_DEBUGGER_EXCEPTION_("can't get shared archive path from debuggee", 1); | |
| 641 } | |
| 642 | |
| 643 print_debug("looking for %s\n", classes_jsa); | |
| 644 | |
| 645 // open the classes[_g].jsa | |
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646 int fd = libsaproc_open(classes_jsa, O_RDONLY); |
| 0 | 647 if (fd < 0) { |
| 648 char errMsg[ERR_MSG_SIZE]; | |
| 649 sprintf(errMsg, "can't open shared archive file %s", classes_jsa); | |
| 650 THROW_NEW_DEBUGGER_EXCEPTION_(errMsg, 1); | |
| 651 } else { | |
| 652 print_debug("opened shared archive file %s\n", classes_jsa); | |
| 653 } | |
| 654 | |
| 655 // parse classes[_g].jsa | |
| 656 struct FileMapHeader* pheader = (struct FileMapHeader*) malloc(sizeof(struct FileMapHeader)); | |
| 657 if (pheader == NULL) { | |
| 658 close(fd); | |
| 659 THROW_NEW_DEBUGGER_EXCEPTION_("can't allocate memory for shared file map header", 1); | |
| 660 } | |
| 661 | |
| 662 memset(pheader, 0, sizeof(struct FileMapHeader)); | |
| 663 // read FileMapHeader | |
| 664 size_t n = read(fd, pheader, sizeof(struct FileMapHeader)); | |
| 665 if (n != sizeof(struct FileMapHeader)) { | |
| 666 free(pheader); | |
| 667 close(fd); | |
| 668 char errMsg[ERR_MSG_SIZE]; | |
| 669 sprintf(errMsg, "unable to read shared archive file map header from %s", classes_jsa); | |
| 670 THROW_NEW_DEBUGGER_EXCEPTION_(errMsg, 1); | |
| 671 } | |
| 672 | |
| 673 // check file magic | |
| 674 if (pheader->_magic != 0xf00baba2) { | |
| 675 free(pheader); | |
| 676 close(fd); | |
| 677 char errMsg[ERR_MSG_SIZE]; | |
| 678 sprintf(errMsg, "%s has bad shared archive magic 0x%x, expecting 0xf00baba2", | |
| 679 classes_jsa, pheader->_magic); | |
| 680 THROW_NEW_DEBUGGER_EXCEPTION_(errMsg, 1); | |
| 681 } | |
| 682 | |
| 683 // check version | |
| 684 if (pheader->_version != CURRENT_ARCHIVE_VERSION) { | |
| 685 free(pheader); | |
| 686 close(fd); | |
| 687 char errMsg[ERR_MSG_SIZE]; | |
| 688 sprintf(errMsg, "%s has wrong shared archive version %d, expecting %d", | |
| 689 classes_jsa, pheader->_version, CURRENT_ARCHIVE_VERSION); | |
| 690 THROW_NEW_DEBUGGER_EXCEPTION_(errMsg, 1); | |
| 691 } | |
| 692 | |
| 693 if (_libsaproc_debug) { | |
| 694 for (int m = 0; m < NUM_SHARED_MAPS; m++) { | |
| 695 print_debug("shared file offset %d mapped at 0x%lx, size = %ld, read only? = %d\n", | |
| 696 pheader->_space[m]._file_offset, pheader->_space[m]._base, | |
| 697 pheader->_space[m]._used, pheader->_space[m]._read_only); | |
| 698 } | |
| 699 } | |
| 700 | |
| 701 // FIXME: For now, omitting other checks such as VM version etc. | |
| 702 | |
| 703 // store class archive file fd and map header in debugger object fields | |
| 704 dbg->env->SetIntField(this_obj, classes_jsa_fd_ID, fd); | |
| 705 dbg->env->SetLongField(this_obj, p_file_map_header_ID, (jlong)(uintptr_t) pheader); | |
| 706 return 1; | |
| 707 } | |
| 708 | |
| 709 } // extern "C" | |
| 710 | |
| 711 // error messages for proc_arg_grab failure codes. The messages are | |
| 712 // modified versions of comments against corresponding #defines in | |
| 713 // libproc.h. | |
| 714 static const char* proc_arg_grab_errmsgs[] = { | |
| 715 "", | |
| 716 /* G_NOPROC */ "No such process", | |
| 717 /* G_NOCORE */ "No such core file", | |
| 718 /* G_NOPROCORCORE */ "No such process or core", | |
| 719 /* G_NOEXEC */ "Cannot locate executable file", | |
| 720 /* G_ZOMB */ "Zombie processs", | |
| 721 /* G_PERM */ "No permission to attach", | |
| 722 /* G_BUSY */ "Another process has already attached", | |
| 723 /* G_SYS */ "System process - can not attach", | |
| 724 /* G_SELF */ "Process is self - can't debug myself!", | |
| 725 /* G_INTR */ "Interrupt received while grabbing", | |
| 726 /* G_LP64 */ "debuggee is 64 bit, use java -d64 for debugger", | |
| 727 /* G_FORMAT */ "File is not an ELF format core file - corrupted core?", | |
| 728 /* G_ELF */ "Libelf error while parsing an ELF file", | |
| 729 /* G_NOTE */ "Required PT_NOTE Phdr not present - corrupted core?", | |
| 730 }; | |
| 731 | |
| 732 static void attach_internal(JNIEnv* env, jobject this_obj, jstring cmdLine, jboolean isProcess) { | |
| 733 jboolean isCopy; | |
| 734 int gcode; | |
| 735 const char* cmdLine_cstr = env->GetStringUTFChars(cmdLine, &isCopy); | |
| 736 CHECK_EXCEPTION; | |
| 737 | |
| 738 // some older versions of libproc.so crash when trying to attach 32 bit | |
| 739 // debugger to 64 bit core file. check and throw error. | |
| 740 #ifndef _LP64 | |
| 741 atoi(cmdLine_cstr); | |
| 742 if (errno) { | |
| 743 // core file | |
| 744 int core_fd; | |
| 745 if ((core_fd = open64(cmdLine_cstr, O_RDONLY)) >= 0) { | |
| 746 Elf32_Ehdr e32; | |
| 747 if (pread64(core_fd, &e32, sizeof (e32), 0) == sizeof (e32) && | |
| 748 memcmp(&e32.e_ident[EI_MAG0], ELFMAG, SELFMAG) == 0 && | |
| 749 e32.e_type == ET_CORE && e32.e_ident[EI_CLASS] == ELFCLASS64) { | |
| 750 close(core_fd); | |
| 751 THROW_NEW_DEBUGGER_EXCEPTION("debuggee is 64 bit, use java -d64 for debugger"); | |
| 752 } | |
| 753 close(core_fd); | |
| 754 } | |
| 755 // all other conditions are handled by libproc.so. | |
| 756 } | |
| 757 #endif | |
| 758 | |
| 759 // connect to process/core | |
| 760 struct ps_prochandle* ph = proc_arg_grab(cmdLine_cstr, (isProcess? PR_ARG_PIDS : PR_ARG_CORES), PGRAB_FORCE, &gcode); | |
| 761 env->ReleaseStringUTFChars(cmdLine, cmdLine_cstr); | |
| 762 if (! ph) { | |
| 763 if (gcode > 0 && gcode < sizeof(proc_arg_grab_errmsgs)/sizeof(const char*)) { | |
| 764 char errMsg[ERR_MSG_SIZE]; | |
| 765 sprintf(errMsg, "Attach failed : %s", proc_arg_grab_errmsgs[gcode]); | |
| 766 THROW_NEW_DEBUGGER_EXCEPTION(errMsg); | |
| 767 } else { | |
| 768 if (_libsaproc_debug && gcode == G_STRANGE) { | |
| 769 perror("libsaproc DEBUG: "); | |
| 770 } | |
| 771 if (isProcess) { | |
| 772 THROW_NEW_DEBUGGER_EXCEPTION("Not able to attach to process!"); | |
| 773 } else { | |
| 774 THROW_NEW_DEBUGGER_EXCEPTION("Not able to attach to core file!"); | |
| 775 } | |
| 776 } | |
| 777 } | |
| 778 | |
| 779 // even though libproc.so supports 64 bit debugger and 32 bit debuggee, we don't | |
| 780 // support such cross-bit-debugging. check for that combination and throw error. | |
| 781 #ifdef _LP64 | |
| 782 int data_model; | |
| 783 if (ps_pdmodel(ph, &data_model) != PS_OK) { | |
| 784 Prelease(ph, PRELEASE_CLEAR); | |
| 785 THROW_NEW_DEBUGGER_EXCEPTION("can't determine debuggee data model (ILP32? or LP64?)"); | |
| 786 } | |
| 787 if (data_model == PR_MODEL_ILP32) { | |
| 788 Prelease(ph, PRELEASE_CLEAR); | |
| 789 THROW_NEW_DEBUGGER_EXCEPTION("debuggee is 32 bit, use 32 bit java for debugger"); | |
| 790 } | |
| 791 #endif | |
| 792 | |
| 793 env->SetLongField(this_obj, p_ps_prochandle_ID, (jlong)(uintptr_t)ph); | |
| 794 | |
| 795 Debugger dbg; | |
| 796 dbg.env = env; | |
| 797 dbg.this_obj = this_obj; | |
| 798 jthrowable exception = 0; | |
| 799 if (! isProcess) { | |
| 800 /* | |
| 801 * With class sharing, shared perm. gen heap is allocated in with MAP_SHARED|PROT_READ. | |
| 802 * These pages are mapped from the file "classes[_g].jsa". MAP_SHARED pages are not dumped | |
| 803 * in Solaris core.To read shared heap pages, we have to read classes[_g].jsa file. | |
| 804 */ | |
| 805 Pobject_iter(ph, init_classsharing_workaround, &dbg); | |
| 806 exception = env->ExceptionOccurred(); | |
| 807 if (exception) { | |
| 808 env->ExceptionClear(); | |
| 809 detach_internal(env, this_obj); | |
| 810 env->Throw(exception); | |
| 811 return; | |
| 812 } | |
| 813 } | |
| 814 | |
| 815 /* | |
| 816 * Iterate over the process mappings looking | |
| 817 * for libthread and then dlopen the appropriate | |
| 818 * libthread_db and get function pointers. | |
| 819 */ | |
| 820 Pobject_iter(ph, init_libthread_db_ptrs, &dbg); | |
| 821 exception = env->ExceptionOccurred(); | |
| 822 if (exception) { | |
| 823 env->ExceptionClear(); | |
| 824 if (!sa_ignore_threaddb) { | |
| 825 detach_internal(env, this_obj); | |
| 826 env->Throw(exception); | |
| 827 } | |
| 828 return; | |
| 829 } | |
| 830 | |
| 831 // init libthread_db and create thread_db agent | |
| 832 p_td_init_t p_td_init = (p_td_init_t) env->GetLongField(this_obj, p_td_init_ID); | |
| 833 if (p_td_init == 0) { | |
| 834 if (!sa_ignore_threaddb) { | |
| 835 detach_internal(env, this_obj); | |
| 836 } | |
| 837 HANDLE_THREADDB_FAILURE("Did not find libthread in target process/core!"); | |
| 838 } | |
| 839 | |
| 840 if (p_td_init() != TD_OK) { | |
| 841 if (!sa_ignore_threaddb) { | |
| 842 detach_internal(env, this_obj); | |
| 843 } | |
| 844 HANDLE_THREADDB_FAILURE("Can't initialize thread_db!"); | |
| 845 } | |
| 846 | |
| 847 p_td_ta_new_t p_td_ta_new = (p_td_ta_new_t) env->GetLongField(this_obj, p_td_ta_new_ID); | |
| 848 | |
| 849 td_thragent_t *p_td_thragent_t = 0; | |
| 850 if (p_td_ta_new(ph, &p_td_thragent_t) != TD_OK) { | |
| 851 if (!sa_ignore_threaddb) { | |
| 852 detach_internal(env, this_obj); | |
| 853 } | |
| 854 HANDLE_THREADDB_FAILURE("Can't create thread_db agent!"); | |
| 855 } | |
| 856 env->SetLongField(this_obj, p_td_thragent_t_ID, (jlong)(uintptr_t) p_td_thragent_t); | |
| 857 | |
| 858 } | |
| 859 | |
| 860 /* | |
| 861 * Class: sun_jvm_hotspot_debugger_proc_ProcDebuggerLocal | |
| 862 * Method: attach0 | |
| 863 * Signature: (Ljava/lang/String;)V | |
| 864 * Description: process detach | |
| 865 */ | |
| 866 JNIEXPORT void JNICALL Java_sun_jvm_hotspot_debugger_proc_ProcDebuggerLocal_attach0__Ljava_lang_String_2 | |
| 867 (JNIEnv *env, jobject this_obj, jstring pid) { | |
| 868 attach_internal(env, this_obj, pid, JNI_TRUE); | |
| 869 } | |
| 870 | |
| 871 /* | |
| 872 * Class: sun_jvm_hotspot_debugger_proc_ProcDebuggerLocal | |
| 873 * Method: attach0 | |
| 874 * Signature: (Ljava/lang/String;Ljava/lang/String;)V | |
| 875 * Description: core file detach | |
| 876 */ | |
| 877 JNIEXPORT void JNICALL Java_sun_jvm_hotspot_debugger_proc_ProcDebuggerLocal_attach0__Ljava_lang_String_2Ljava_lang_String_2 | |
| 878 (JNIEnv *env, jobject this_obj, jstring executable, jstring corefile) { | |
| 879 // ignore executable file name, libproc.so can detect a.out name anyway. | |
| 880 attach_internal(env, this_obj, corefile, JNI_FALSE); | |
| 881 } | |
| 882 | |
| 883 | |
| 884 /* | |
| 885 * Class: sun_jvm_hotspot_debugger_proc_ProcDebuggerLocal | |
| 886 * Method: detach0 | |
| 887 * Signature: ()V | |
| 888 * Description: process/core file detach | |
| 889 */ | |
| 890 JNIEXPORT void JNICALL Java_sun_jvm_hotspot_debugger_proc_ProcDebuggerLocal_detach0 | |
| 891 (JNIEnv *env, jobject this_obj) { | |
| 892 detach_internal(env, this_obj); | |
| 893 } | |
| 894 | |
| 895 /* | |
| 896 * Class: sun_jvm_hotspot_debugger_proc_ProcDebuggerLocal | |
| 897 * Method: getRemoteProcessAddressSize0 | |
| 898 * Signature: ()I | |
| 899 * Description: get process/core address size | |
| 900 */ | |
| 901 JNIEXPORT jint JNICALL Java_sun_jvm_hotspot_debugger_proc_ProcDebuggerLocal_getRemoteProcessAddressSize0 | |
| 902 (JNIEnv *env, jobject this_obj) { | |
| 903 jlong p_ps_prochandle; | |
| 904 p_ps_prochandle = env->GetLongField(this_obj, p_ps_prochandle_ID); | |
| 905 int data_model = PR_MODEL_ILP32; | |
| 906 ps_pdmodel((struct ps_prochandle*) p_ps_prochandle, &data_model); | |
| 907 print_debug("debuggee is %d bit\n", data_model == PR_MODEL_ILP32? 32 : 64); | |
| 908 return (jint) data_model == PR_MODEL_ILP32? 32 : 64; | |
| 909 } | |
| 910 | |
| 911 /* | |
| 912 * Class: sun_jvm_hotspot_debugger_proc_ProcDebuggerLocal | |
| 913 * Method: getPageSize0 | |
| 914 * Signature: ()I | |
| 915 * Description: get process/core page size | |
| 916 */ | |
| 917 JNIEXPORT jint JNICALL Java_sun_jvm_hotspot_debugger_proc_ProcDebuggerLocal_getPageSize0 | |
| 918 (JNIEnv *env, jobject this_obj) { | |
| 919 | |
| 920 /* | |
| 921 We are not yet attached to a java process or core file. getPageSize is called from | |
| 922 the constructor of ProcDebuggerLocal. The following won't work! | |
| 923 | |
| 924 jlong p_ps_prochandle; | |
| 925 p_ps_prochandle = env->GetLongField(this_obj, p_ps_prochandle_ID); | |
| 926 CHECK_EXCEPTION_(-1); | |
| 927 struct ps_prochandle* prochandle = (struct ps_prochandle*) p_ps_prochandle; | |
| 928 return (Pstate(prochandle) == PS_DEAD) ? Pgetauxval(prochandle, AT_PAGESZ) | |
| 929 : getpagesize(); | |
| 930 | |
| 931 So even though core may have been generated with a different page size settings, for now | |
| 932 call getpagesize. | |
| 933 */ | |
| 934 | |
| 935 return getpagesize(); | |
| 936 } | |
| 937 | |
| 938 /* | |
| 939 * Class: sun_jvm_hotspot_debugger_proc_ProcDebuggerLocal | |
| 940 * Method: getThreadIntegerRegisterSet0 | |
| 941 * Signature: (J)[J | |
| 942 * Description: get gregset for a given thread specified by thread id | |
| 943 */ | |
| 944 JNIEXPORT jlongArray JNICALL Java_sun_jvm_hotspot_debugger_proc_ProcDebuggerLocal_getThreadIntegerRegisterSet0 | |
| 945 (JNIEnv *env, jobject this_obj, jlong tid) { | |
| 946 // map the thread id to thread handle | |
| 947 p_td_ta_map_id2thr_t p_td_ta_map_id2thr = (p_td_ta_map_id2thr_t) env->GetLongField(this_obj, p_td_ta_map_id2thr_ID); | |
| 948 | |
| 949 td_thragent_t* p_td_thragent_t = (td_thragent_t*) env->GetLongField(this_obj, p_td_thragent_t_ID); | |
| 950 if (p_td_thragent_t == 0) { | |
| 951 return 0; | |
| 952 } | |
| 953 | |
| 954 td_thrhandle_t thr_handle; | |
| 955 if (p_td_ta_map_id2thr(p_td_thragent_t, (thread_t) tid, &thr_handle) != TD_OK) { | |
| 956 THROW_NEW_DEBUGGER_EXCEPTION_("can't map thread id to thread handle!", 0); | |
| 957 } | |
| 958 | |
| 959 p_td_thr_getgregs_t p_td_thr_getgregs = (p_td_thr_getgregs_t) env->GetLongField(this_obj, p_td_thr_getgregs_ID); | |
| 960 prgregset_t gregs; | |
| 961 p_td_thr_getgregs(&thr_handle, gregs); | |
| 962 | |
| 963 jlongArray res = env->NewLongArray(NPRGREG); | |
| 964 CHECK_EXCEPTION_(0); | |
| 965 jboolean isCopy; | |
| 966 jlong* ptr = env->GetLongArrayElements(res, &isCopy); | |
| 967 for (int i = 0; i < NPRGREG; i++) { | |
| 968 ptr[i] = (jlong) (uintptr_t) gregs[i]; | |
| 969 } | |
| 970 env->ReleaseLongArrayElements(res, ptr, JNI_COMMIT); | |
| 971 return res; | |
| 972 } | |
| 973 | |
| 974 /* | |
| 975 * Class: sun_jvm_hotspot_debugger_proc_ProcDebuggerLocal | |
| 976 * Method: fillThreadList0 | |
| 977 * Signature: (Ljava/util/List;)V | |
| 978 * Description: fills thread list of the debuggee process/core | |
| 979 */ | |
| 980 JNIEXPORT void JNICALL Java_sun_jvm_hotspot_debugger_proc_ProcDebuggerLocal_fillThreadList0 | |
| 981 (JNIEnv *env, jobject this_obj, jobject list) { | |
| 982 | |
| 983 td_thragent_t* p_td_thragent_t = (td_thragent_t*) env->GetLongField(this_obj, p_td_thragent_t_ID); | |
| 984 if (p_td_thragent_t == 0) { | |
| 985 return; | |
| 986 } | |
| 987 | |
| 988 p_td_ta_thr_iter_t p_td_ta_thr_iter = (p_td_ta_thr_iter_t) env->GetLongField(this_obj, p_td_ta_thr_iter_ID); | |
| 989 | |
| 990 DebuggerWithObject dbgo; | |
| 991 dbgo.env = env; | |
| 992 dbgo.this_obj = this_obj; | |
| 993 dbgo.obj = list; | |
| 994 | |
| 995 p_td_ta_thr_iter(p_td_thragent_t, fill_thread_list, &dbgo, | |
| 996 TD_THR_ANY_STATE, TD_THR_LOWEST_PRIORITY, TD_SIGNO_MASK, TD_THR_ANY_USER_FLAGS); | |
| 997 } | |
| 998 | |
|
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999 #ifndef SOLARIS_11_B159_OR_LATER |
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1000 // building on Nevada-B158 or earlier so more hoops to jump through |
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1001 static bool has_newer_Pstack_iter = false; // older version by default |
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1002 #endif |
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1003 |
| 0 | 1004 /* |
| 1005 * Class: sun_jvm_hotspot_debugger_proc_ProcDebuggerLocal | |
| 1006 * Method: fillCFrameList0 | |
| 1007 * Signature: ([J)Lsun/jvm/hotspot/debugger/proc/ProcCFrame; | |
| 1008 * Description: fills CFrame list for a given thread | |
| 1009 */ | |
| 1010 JNIEXPORT jobject JNICALL Java_sun_jvm_hotspot_debugger_proc_ProcDebuggerLocal_fillCFrameList0 | |
| 1011 (JNIEnv *env, jobject this_obj, jlongArray regsArray) { | |
| 1012 jlong p_ps_prochandle = env->GetLongField(this_obj, p_ps_prochandle_ID); | |
| 1013 | |
| 1014 DebuggerWith2Objects dbgo2; | |
| 1015 dbgo2.env = env; | |
| 1016 dbgo2.this_obj = this_obj; | |
| 1017 dbgo2.obj = NULL; | |
| 1018 dbgo2.obj2 = NULL; | |
| 1019 | |
| 1020 jboolean isCopy; | |
| 1021 jlong* ptr = env->GetLongArrayElements(regsArray, &isCopy); | |
| 1022 CHECK_EXCEPTION_(0); | |
| 1023 | |
| 1024 prgregset_t gregs; | |
| 1025 for (int i = 0; i < NPRGREG; i++) { | |
| 1026 gregs[i] = (uintptr_t) ptr[i]; | |
| 1027 } | |
| 1028 | |
| 1029 env->ReleaseLongArrayElements(regsArray, ptr, JNI_ABORT); | |
| 1030 CHECK_EXCEPTION_(0); | |
|
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1031 |
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1032 #ifdef SOLARIS_11_B159_OR_LATER |
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1033 // building on Nevada-B159 or later so use the new callback |
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1034 Pstack_iter((struct ps_prochandle*) p_ps_prochandle, gregs, |
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1035 wrapper_fill_cframe_list, &dbgo2); |
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1036 #else |
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1037 // building on Nevada-B158 or earlier so figure out which callback to use |
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1038 |
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1039 if (has_newer_Pstack_iter) { |
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1040 // Since we're building on Nevada-B158 or earlier, we have to |
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1041 // cast wrapper_fill_cframe_list to make the compiler happy. |
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1042 Pstack_iter((struct ps_prochandle*) p_ps_prochandle, gregs, |
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1043 (proc_stack_f *)wrapper_fill_cframe_list, &dbgo2); |
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1044 } else { |
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1045 Pstack_iter((struct ps_prochandle*) p_ps_prochandle, gregs, |
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1046 fill_cframe_list, &dbgo2); |
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1047 } |
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1048 #endif // SOLARIS_11_B159_OR_LATER |
| 0 | 1049 return dbgo2.obj; |
| 1050 } | |
| 1051 | |
| 1052 /* | |
| 1053 * Class: sun_jvm_hotspot_debugger_proc_ProcDebuggerLocal | |
| 1054 * Method: fillLoadObjectList0 | |
| 1055 * Signature: (Ljava/util/List;)V | |
| 1056 * Description: fills shared objects of the debuggee process/core | |
| 1057 */ | |
| 1058 JNIEXPORT void JNICALL Java_sun_jvm_hotspot_debugger_proc_ProcDebuggerLocal_fillLoadObjectList0 | |
| 1059 (JNIEnv *env, jobject this_obj, jobject list) { | |
| 1060 DebuggerWithObject dbgo; | |
| 1061 dbgo.env = env; | |
| 1062 dbgo.this_obj = this_obj; | |
| 1063 dbgo.obj = list; | |
| 1064 | |
| 1065 jlong p_ps_prochandle = env->GetLongField(this_obj, p_ps_prochandle_ID); | |
| 1066 Pobject_iter((struct ps_prochandle*) p_ps_prochandle, fill_load_object_list, &dbgo); | |
| 1067 } | |
| 1068 | |
| 1069 /* | |
| 1070 * Class: sun_jvm_hotspot_debugger_proc_ProcDebuggerLocal | |
| 1071 * Method: readBytesFromProcess0 | |
| 1072 * Signature: (JJ)[B | |
| 1073 * Description: read bytes from debuggee process/core | |
| 1074 */ | |
| 1075 JNIEXPORT jbyteArray JNICALL Java_sun_jvm_hotspot_debugger_proc_ProcDebuggerLocal_readBytesFromProcess0 | |
| 1076 (JNIEnv *env, jobject this_obj, jlong address, jlong numBytes) { | |
| 1077 | |
| 1078 jbyteArray array = env->NewByteArray(numBytes); | |
| 1079 CHECK_EXCEPTION_(0); | |
| 1080 jboolean isCopy; | |
| 1081 jbyte* bufPtr = env->GetByteArrayElements(array, &isCopy); | |
| 1082 CHECK_EXCEPTION_(0); | |
| 1083 | |
| 1084 jlong p_ps_prochandle = env->GetLongField(this_obj, p_ps_prochandle_ID); | |
| 1085 ps_err_e ret = ps_pread((struct ps_prochandle*) p_ps_prochandle, | |
| 1086 (psaddr_t)address, bufPtr, (size_t)numBytes); | |
| 1087 | |
| 1088 if (ret != PS_OK) { | |
| 1089 // part of the class sharing workaround. try shared heap area | |
| 1090 int classes_jsa_fd = env->GetIntField(this_obj, classes_jsa_fd_ID); | |
| 1091 if (classes_jsa_fd != -1 && address != (jlong)0) { | |
| 1092 print_debug("read failed at 0x%lx, attempting shared heap area\n", (long) address); | |
| 1093 | |
| 1094 struct FileMapHeader* pheader = (struct FileMapHeader*) env->GetLongField(this_obj, p_file_map_header_ID); | |
| 1095 // walk through the shared mappings -- we just have 4 of them. | |
| 1096 // so, linear walking is okay. | |
| 1097 for (int m = 0; m < NUM_SHARED_MAPS; m++) { | |
| 1098 | |
| 1099 // We can skip the non-read-only maps. These are mapped as MAP_PRIVATE | |
| 1100 // and hence will be read by libproc. Besides, the file copy may be | |
| 1101 // stale because the process might have modified those pages. | |
| 1102 if (pheader->_space[m]._read_only) { | |
| 1103 jlong baseAddress = (jlong) (uintptr_t) pheader->_space[m]._base; | |
| 1104 size_t usedSize = pheader->_space[m]._used; | |
| 1105 if (address >= baseAddress && address < (baseAddress + usedSize)) { | |
| 1106 // the given address falls in this shared heap area | |
| 1107 print_debug("found shared map at 0x%lx\n", (long) baseAddress); | |
| 1108 | |
| 1109 | |
| 1110 // If more data is asked than actually mapped from file, we need to zero fill | |
| 1111 // till the end-of-page boundary. But, java array new does that for us. we just | |
| 1112 // need to read as much as data available. | |
| 1113 | |
| 1114 #define MIN2(x, y) (((x) < (y))? (x) : (y)) | |
| 1115 | |
| 1116 jlong diff = address - baseAddress; | |
| 1117 jlong bytesToRead = MIN2(numBytes, usedSize - diff); | |
| 1118 off_t offset = pheader->_space[m]._file_offset + off_t(diff); | |
| 1119 ssize_t bytesRead = pread(classes_jsa_fd, bufPtr, bytesToRead, offset); | |
| 1120 if (bytesRead != bytesToRead) { | |
| 1121 env->ReleaseByteArrayElements(array, bufPtr, JNI_ABORT); | |
| 1122 print_debug("shared map read failed\n"); | |
| 1123 return jbyteArray(0); | |
| 1124 } else { | |
| 1125 print_debug("shared map read succeeded\n"); | |
| 1126 env->ReleaseByteArrayElements(array, bufPtr, 0); | |
| 1127 return array; | |
| 1128 } | |
| 1129 } // is in current map | |
| 1130 } // is read only map | |
| 1131 } // for shared maps | |
| 1132 } // classes_jsa_fd != -1 | |
| 1133 env->ReleaseByteArrayElements(array, bufPtr, JNI_ABORT); | |
| 1134 return jbyteArray(0); | |
| 1135 } else { | |
| 1136 env->ReleaseByteArrayElements(array, bufPtr, 0); | |
| 1137 return array; | |
| 1138 } | |
| 1139 } | |
| 1140 | |
| 1141 /* | |
| 1142 * Class: sun_jvm_hotspot_debugger_proc_ProcDebuggerLocal | |
| 1143 * Method: writeBytesToProcess0 | |
| 1144 * Signature: (JJ[B)V | |
| 1145 * Description: write bytes into debugger process | |
| 1146 */ | |
| 1147 JNIEXPORT void JNICALL Java_sun_jvm_hotspot_debugger_proc_ProcDebuggerLocal_writeBytesToProcess0 | |
| 1148 (JNIEnv *env, jobject this_obj, jlong address, jlong numBytes, jbyteArray data) { | |
| 1149 jlong p_ps_prochandle = env->GetLongField(this_obj, p_ps_prochandle_ID); | |
| 1150 jboolean isCopy; | |
| 1151 jbyte* ptr = env->GetByteArrayElements(data, &isCopy); | |
| 1152 CHECK_EXCEPTION; | |
| 1153 | |
| 1154 if (ps_pwrite((struct ps_prochandle*) p_ps_prochandle, address, ptr, numBytes) != PS_OK) { | |
| 1155 env->ReleaseByteArrayElements(data, ptr, JNI_ABORT); | |
| 1156 THROW_NEW_DEBUGGER_EXCEPTION("Process write failed!"); | |
| 1157 } | |
| 1158 | |
| 1159 env->ReleaseByteArrayElements(data, ptr, JNI_ABORT); | |
| 1160 } | |
| 1161 | |
| 1162 /* | |
| 1163 * Class: sun_jvm_hotspot_debugger_proc_ProcDebuggerLocal | |
| 1164 * Method: suspend0 | |
| 1165 * Signature: ()V | |
| 1166 */ | |
| 1167 JNIEXPORT void JNICALL Java_sun_jvm_hotspot_debugger_proc_ProcDebuggerLocal_suspend0 | |
| 1168 (JNIEnv *env, jobject this_obj) { | |
| 1169 jlong p_ps_prochandle = env->GetLongField(this_obj, p_ps_prochandle_ID); | |
| 1170 // for now don't check return value. revisit this again. | |
| 1171 Pstop((struct ps_prochandle*) p_ps_prochandle, 1000); | |
| 1172 } | |
| 1173 | |
| 1174 /* | |
| 1175 * Class: sun_jvm_hotspot_debugger_proc_ProcDebuggerLocal | |
| 1176 * Method: resume0 | |
| 1177 * Signature: ()V | |
| 1178 */ | |
| 1179 JNIEXPORT void JNICALL Java_sun_jvm_hotspot_debugger_proc_ProcDebuggerLocal_resume0 | |
| 1180 (JNIEnv *env, jobject this_obj) { | |
| 1181 jlong p_ps_prochandle = env->GetLongField(this_obj, p_ps_prochandle_ID); | |
| 1182 // for now don't check return value. revisit this again. | |
| 1183 Psetrun((struct ps_prochandle*) p_ps_prochandle, 0, PRCFAULT|PRSTOP); | |
| 1184 } | |
| 1185 | |
| 1186 /* | |
| 1187 * Class: sun_jvm_hotspot_debugger_proc_ProcDebuggerLocal | |
| 1188 * Method: lookupByName0 | |
| 1189 * Signature: (Ljava/lang/String;Ljava/lang/String;)J | |
| 1190 * Description: symbol lookup by name | |
| 1191 */ | |
| 1192 JNIEXPORT jlong JNICALL Java_sun_jvm_hotspot_debugger_proc_ProcDebuggerLocal_lookupByName0 | |
| 1193 (JNIEnv *env, jobject this_obj, jstring objectName, jstring symbolName) { | |
| 1194 jlong p_ps_prochandle; | |
| 1195 p_ps_prochandle = env->GetLongField(this_obj, p_ps_prochandle_ID); | |
| 1196 | |
| 1197 jboolean isCopy; | |
| 1198 const char* objectName_cstr = NULL; | |
| 1199 if (objectName != NULL) { | |
| 1200 objectName_cstr = env->GetStringUTFChars(objectName, &isCopy); | |
| 1201 CHECK_EXCEPTION_(0); | |
| 1202 } else { | |
| 1203 objectName_cstr = PR_OBJ_EVERY; | |
| 1204 } | |
| 1205 | |
| 1206 const char* symbolName_cstr = env->GetStringUTFChars(symbolName, &isCopy); | |
| 1207 CHECK_EXCEPTION_(0); | |
| 1208 | |
| 1209 psaddr_t symbol_addr = (psaddr_t) 0; | |
| 1210 ps_pglobal_lookup((struct ps_prochandle*) p_ps_prochandle, objectName_cstr, | |
| 1211 symbolName_cstr, &symbol_addr); | |
| 1212 | |
| 1213 if (symbol_addr == 0) { | |
| 1214 print_debug("lookup for %s in %s failed\n", symbolName_cstr, objectName_cstr); | |
| 1215 } | |
| 1216 | |
| 1217 if (objectName_cstr != PR_OBJ_EVERY) { | |
| 1218 env->ReleaseStringUTFChars(objectName, objectName_cstr); | |
| 1219 } | |
| 1220 env->ReleaseStringUTFChars(symbolName, symbolName_cstr); | |
| 1221 return (jlong) (uintptr_t) symbol_addr; | |
| 1222 } | |
| 1223 | |
| 1224 /* | |
| 1225 * Class: sun_jvm_hotspot_debugger_proc_ProcDebuggerLocal | |
| 1226 * Method: lookupByAddress0 | |
| 1227 * Signature: (J)Lsun/jvm/hotspot/debugger/cdbg/ClosestSymbol; | |
| 1228 * Description: lookup symbol name for a given address | |
| 1229 */ | |
| 1230 JNIEXPORT jobject JNICALL Java_sun_jvm_hotspot_debugger_proc_ProcDebuggerLocal_lookupByAddress0 | |
| 1231 (JNIEnv *env, jobject this_obj, jlong address) { | |
| 1232 jlong p_ps_prochandle; | |
| 1233 p_ps_prochandle = env->GetLongField(this_obj, p_ps_prochandle_ID); | |
| 1234 | |
| 1235 char nameBuf[SYMBOL_BUF_SIZE + 1]; | |
| 1236 GElf_Sym sym; | |
| 1237 int res = Plookup_by_addr((struct ps_prochandle*) p_ps_prochandle, (uintptr_t) address, | |
| 1238 nameBuf, sizeof(nameBuf), &sym); | |
| 1239 if (res != 0) { // failed | |
| 1240 return 0; | |
| 1241 } | |
| 1242 | |
| 1243 jstring resSym = env->NewStringUTF(nameBuf); | |
| 1244 CHECK_EXCEPTION_(0); | |
| 1245 | |
| 1246 return env->CallObjectMethod(this_obj, createClosestSymbol_ID, resSym, (address - sym.st_value)); | |
| 1247 } | |
| 1248 | |
| 1249 /* | |
| 1250 * Class: sun_jvm_hotspot_debugger_proc_ProcDebuggerLocal | |
| 1251 * Method: demangle0 | |
| 1252 * Signature: (Ljava/lang/String;)Ljava/lang/String; | |
| 1253 */ | |
| 1254 JNIEXPORT jstring JNICALL Java_sun_jvm_hotspot_debugger_proc_ProcDebuggerLocal_demangle0 | |
| 1255 (JNIEnv *env, jobject this_object, jstring name) { | |
| 1256 jboolean isCopy; | |
| 1257 const char* ptr = env->GetStringUTFChars(name, &isCopy); | |
| 1258 char buf[2*SYMBOL_BUF_SIZE + 1]; | |
| 1259 jstring res = 0; | |
| 1260 if (cplus_demangle((char*) ptr, buf, sizeof(buf)) != DEMANGLE_ESPACE) { | |
| 1261 res = env->NewStringUTF(buf); | |
| 1262 } else { | |
| 1263 res = name; | |
| 1264 } | |
| 1265 env->ReleaseStringUTFChars(name, ptr); | |
| 1266 return res; | |
| 1267 } | |
| 1268 | |
|
3306
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1269 #ifndef SOLARIS_11_B159_OR_LATER |
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1270 // Determine if the OS we're running on has the newer version |
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1271 // of libproc's Pstack_iter. |
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1272 // |
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1273 // Set env var PSTACK_ITER_DEBUG=true to debug this logic. |
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1274 // Set env var PSTACK_ITER_DEBUG_RELEASE to simulate a 'release' value. |
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1275 // Set env var PSTACK_ITER_DEBUG_VERSION to simulate a 'version' value. |
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1276 // |
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1277 // frankenputer 'uname -r -v': 5.10 Generic_141445-09 |
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1278 // jurassic 'uname -r -v': 5.11 snv_164 |
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1279 // lonepeak 'uname -r -v': 5.11 snv_127 |
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1280 // |
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1281 static void set_has_newer_Pstack_iter(JNIEnv *env) { |
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1282 static bool done_set = false; |
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1283 |
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1284 if (done_set) { |
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1285 // already set has_newer_Pstack_iter |
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1286 return; |
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1287 } |
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1288 |
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1289 struct utsname name; |
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1290 if (uname(&name) == -1) { |
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1291 THROW_NEW_DEBUGGER_EXCEPTION("uname() failed!"); |
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1292 } |
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1293 dprintf_2("release='%s' version='%s'\n", name.release, name.version); |
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1294 |
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1295 if (_Pstack_iter_debug) { |
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1296 char *override = getenv("PSTACK_ITER_DEBUG_RELEASE"); |
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1297 if (override != NULL) { |
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1298 strncpy(name.release, override, SYS_NMLN - 1); |
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1299 name.release[SYS_NMLN - 2] = '\0'; |
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1300 dprintf_2("overriding with release='%s'\n", name.release); |
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1301 } |
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1302 override = getenv("PSTACK_ITER_DEBUG_VERSION"); |
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1303 if (override != NULL) { |
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1304 strncpy(name.version, override, SYS_NMLN - 1); |
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1305 name.version[SYS_NMLN - 2] = '\0'; |
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1306 dprintf_2("overriding with version='%s'\n", name.version); |
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1307 } |
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1308 } |
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1309 |
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1310 // the major number corresponds to the old SunOS major number |
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1311 int major = atoi(name.release); |
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1312 if (major >= 6) { |
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1313 dprintf_2("release is SunOS 6 or later\n"); |
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1314 has_newer_Pstack_iter = true; |
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1315 done_set = true; |
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1316 return; |
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1317 } |
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1318 if (major < 5) { |
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1319 dprintf_2("release is SunOS 4 or earlier\n"); |
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1320 done_set = true; |
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1321 return; |
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1322 } |
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1323 |
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1324 // some SunOS 5.* build so now check for Solaris versions |
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1325 char *dot = strchr(name.release, '.'); |
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1326 int minor = 0; |
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1327 if (dot != NULL) { |
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1328 // release is major.minor format |
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1329 *dot = NULL; |
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1330 minor = atoi(dot + 1); |
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1331 } |
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1332 |
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1333 if (minor <= 10) { |
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1334 dprintf_2("release is Solaris 10 or earlier\n"); |
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1335 done_set = true; |
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1336 return; |
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1337 } else if (minor >= 12) { |
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1338 dprintf_2("release is Solaris 12 or later\n"); |
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1339 has_newer_Pstack_iter = true; |
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1340 done_set = true; |
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1341 return; |
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1342 } |
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1343 |
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1344 // some Solaris 11 build so now check for internal build numbers |
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1345 if (strncmp(name.version, "snv_", 4) != 0) { |
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1346 dprintf_2("release is Solaris 11 post-GA or later\n"); |
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1347 has_newer_Pstack_iter = true; |
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1348 done_set = true; |
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1349 return; |
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1350 } |
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1351 |
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1352 // version begins with "snv_" so a pre-GA build of Solaris 11 |
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1353 int build = atoi(&name.version[4]); |
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1354 if (build >= 159) { |
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1355 dprintf_2("release is Nevada-B159 or later\n"); |
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1356 has_newer_Pstack_iter = true; |
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1357 } else { |
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1358 dprintf_2("release is Nevada-B158 or earlier\n"); |
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1359 } |
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1360 |
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1361 done_set = true; |
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1362 } |
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1363 #endif // !SOLARIS_11_B159_OR_LATER |
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1364 |
| 0 | 1365 /* |
| 1366 * Class: sun_jvm_hotspot_debugger_proc_ProcDebuggerLocal | |
| 1367 * Method: initIDs | |
| 1368 * Signature: ()V | |
| 1369 * Description: get JNI ids for fields and methods of ProcDebuggerLocal class | |
| 1370 */ | |
| 1371 JNIEXPORT void JNICALL Java_sun_jvm_hotspot_debugger_proc_ProcDebuggerLocal_initIDs | |
| 1372 (JNIEnv *env, jclass clazz) { | |
| 1373 _libsaproc_debug = getenv("LIBSAPROC_DEBUG") != NULL; | |
| 1374 if (_libsaproc_debug) { | |
| 1375 // propagate debug mode to libproc.so | |
| 1376 static const char* var = "LIBPROC_DEBUG=1"; | |
| 1377 putenv((char*)var); | |
| 1378 } | |
| 1379 | |
| 1380 void* libproc_handle = dlopen("libproc.so", RTLD_LAZY | RTLD_GLOBAL); | |
| 1381 if (libproc_handle == 0) | |
| 1382 THROW_NEW_DEBUGGER_EXCEPTION("can't load libproc.so, if you are using Solaris 5.7 or below, copy libproc.so from 5.8!"); | |
| 1383 | |
|
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1384 #ifndef SOLARIS_11_B159_OR_LATER |
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1385 _Pstack_iter_debug = getenv("PSTACK_ITER_DEBUG") != NULL; |
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1386 |
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1387 set_has_newer_Pstack_iter(env); |
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1388 CHECK_EXCEPTION; |
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1389 dprintf_2("has_newer_Pstack_iter=%d\n", has_newer_Pstack_iter); |
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1390 #endif |
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1391 |
| 0 | 1392 p_ps_prochandle_ID = env->GetFieldID(clazz, "p_ps_prochandle", "J"); |
| 1393 CHECK_EXCEPTION; | |
| 1394 | |
| 1395 libthread_db_handle_ID = env->GetFieldID(clazz, "libthread_db_handle", "J"); | |
| 1396 CHECK_EXCEPTION; | |
| 1397 | |
| 1398 p_td_thragent_t_ID = env->GetFieldID(clazz, "p_td_thragent_t", "J"); | |
| 1399 CHECK_EXCEPTION; | |
| 1400 | |
| 1401 p_td_init_ID = env->GetFieldID(clazz, "p_td_init", "J"); | |
| 1402 CHECK_EXCEPTION; | |
| 1403 | |
| 1404 p_td_ta_new_ID = env->GetFieldID(clazz, "p_td_ta_new", "J"); | |
| 1405 CHECK_EXCEPTION; | |
| 1406 | |
| 1407 p_td_ta_delete_ID = env->GetFieldID(clazz, "p_td_ta_delete", "J"); | |
| 1408 CHECK_EXCEPTION; | |
| 1409 | |
| 1410 p_td_ta_thr_iter_ID = env->GetFieldID(clazz, "p_td_ta_thr_iter", "J"); | |
| 1411 CHECK_EXCEPTION; | |
| 1412 | |
| 1413 p_td_thr_get_info_ID = env->GetFieldID(clazz, "p_td_thr_get_info", "J"); | |
| 1414 CHECK_EXCEPTION; | |
| 1415 | |
| 1416 p_td_ta_map_id2thr_ID = env->GetFieldID(clazz, "p_td_ta_map_id2thr", "J"); | |
| 1417 CHECK_EXCEPTION; | |
| 1418 | |
| 1419 p_td_thr_getgregs_ID = env->GetFieldID(clazz, "p_td_thr_getgregs", "J"); | |
| 1420 CHECK_EXCEPTION; | |
| 1421 | |
| 1422 getThreadForThreadId_ID = env->GetMethodID(clazz, | |
| 1423 "getThreadForThreadId", "(J)Lsun/jvm/hotspot/debugger/ThreadProxy;"); | |
| 1424 CHECK_EXCEPTION; | |
| 1425 | |
| 1426 pcRegIndex_ID = env->GetFieldID(clazz, "pcRegIndex", "I"); | |
| 1427 CHECK_EXCEPTION; | |
| 1428 | |
| 1429 fpRegIndex_ID = env->GetFieldID(clazz, "fpRegIndex", "I"); | |
| 1430 CHECK_EXCEPTION; | |
| 1431 | |
| 1432 createSenderFrame_ID = env->GetMethodID(clazz, | |
| 1433 "createSenderFrame", "(Lsun/jvm/hotspot/debugger/proc/ProcCFrame;JJ)Lsun/jvm/hotspot/debugger/proc/ProcCFrame;"); | |
| 1434 CHECK_EXCEPTION; | |
| 1435 | |
| 1436 createLoadObject_ID = env->GetMethodID(clazz, | |
| 1437 "createLoadObject", "(Ljava/lang/String;JJ)Lsun/jvm/hotspot/debugger/cdbg/LoadObject;"); | |
| 1438 CHECK_EXCEPTION; | |
| 1439 | |
| 1440 createClosestSymbol_ID = env->GetMethodID(clazz, | |
| 1441 "createClosestSymbol", "(Ljava/lang/String;J)Lsun/jvm/hotspot/debugger/cdbg/ClosestSymbol;"); | |
| 1442 CHECK_EXCEPTION; | |
| 1443 | |
| 1444 listAdd_ID = env->GetMethodID(env->FindClass("java/util/List"), "add", "(Ljava/lang/Object;)Z"); | |
| 1445 CHECK_EXCEPTION; | |
| 1446 | |
| 1447 // part of the class sharing workaround | |
| 1448 classes_jsa_fd_ID = env->GetFieldID(clazz, "classes_jsa_fd", "I"); | |
| 1449 CHECK_EXCEPTION; | |
| 1450 p_file_map_header_ID = env->GetFieldID(clazz, "p_file_map_header", "J"); | |
| 1451 CHECK_EXCEPTION; | |
| 1452 } |