1 /* 2 * Copyright (c) 2002, 2013, 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. 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 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 #include <jni.h> 26 #include "libproc.h" 27 28 #include <elf.h> 29 #include <sys/types.h> 30 #include <sys/stat.h> 31 #include <fcntl.h> 32 #include <stdlib.h> 33 #include <string.h> 34 #include <limits.h> 35 36 #if defined(x86_64) && !defined(amd64) 37 #define amd64 1 38 #endif 39 40 #ifdef i386 41 #include "sun_jvm_hotspot_debugger_x86_X86ThreadContext.h" 42 #endif 43 44 #ifdef amd64 45 #include "sun_jvm_hotspot_debugger_amd64_AMD64ThreadContext.h" 46 #endif 47 48 #if defined(sparc) || defined(sparcv9) 49 #include "sun_jvm_hotspot_debugger_sparc_SPARCThreadContext.h" 50 #endif 51 52 #ifdef ppc64 53 #include "sun_jvm_hotspot_debugger_ppc64_PPC64ThreadContext.h" 54 #endif 55 56 static jfieldID p_ps_prochandle_ID = 0; 57 static jfieldID threadList_ID = 0; 58 static jfieldID loadObjectList_ID = 0; 59 60 static jmethodID createClosestSymbol_ID = 0; 61 static jmethodID createLoadObject_ID = 0; 62 static jmethodID getThreadForThreadId_ID = 0; 63 static jmethodID listAdd_ID = 0; 64 65 #define CHECK_EXCEPTION_(value) if ((*env)->ExceptionOccurred(env)) { return value; } 66 #define CHECK_EXCEPTION if ((*env)->ExceptionOccurred(env)) { return;} 67 #define THROW_NEW_DEBUGGER_EXCEPTION_(str, value) { throw_new_debugger_exception(env, str); return value; } 68 #define THROW_NEW_DEBUGGER_EXCEPTION(str) { throw_new_debugger_exception(env, str); return;} 69 70 void throw_new_debugger_exception(JNIEnv* env, const char* errMsg) { 71 jclass clazz; 72 clazz = (*env)->FindClass(env, "sun/jvm/hotspot/debugger/DebuggerException"); 73 CHECK_EXCEPTION; 74 (*env)->ThrowNew(env, clazz, errMsg); 75 } 76 77 struct ps_prochandle* get_proc_handle(JNIEnv* env, jobject this_obj) { 78 jlong ptr = (*env)->GetLongField(env, this_obj, p_ps_prochandle_ID); 79 return (struct ps_prochandle*)(intptr_t)ptr; 80 } 81 82 /* 83 * Class: sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal 84 * Method: init0 85 * Signature: ()V 86 */ 87 JNIEXPORT void JNICALL Java_sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal_init0 88 (JNIEnv *env, jclass cls) { 89 jclass listClass; 90 91 if (init_libproc(getenv("LIBSAPROC_DEBUG") != NULL) != true) { 92 THROW_NEW_DEBUGGER_EXCEPTION("can't initialize libproc"); 93 } 94 95 // fields we use 96 p_ps_prochandle_ID = (*env)->GetFieldID(env, cls, "p_ps_prochandle", "J"); 97 CHECK_EXCEPTION; 98 threadList_ID = (*env)->GetFieldID(env, cls, "threadList", "Ljava/util/List;"); 99 CHECK_EXCEPTION; 100 loadObjectList_ID = (*env)->GetFieldID(env, cls, "loadObjectList", "Ljava/util/List;"); 101 CHECK_EXCEPTION; 102 103 // methods we use 104 createClosestSymbol_ID = (*env)->GetMethodID(env, cls, "createClosestSymbol", 105 "(Ljava/lang/String;J)Lsun/jvm/hotspot/debugger/cdbg/ClosestSymbol;"); 106 CHECK_EXCEPTION; 107 createLoadObject_ID = (*env)->GetMethodID(env, cls, "createLoadObject", 108 "(Ljava/lang/String;JJ)Lsun/jvm/hotspot/debugger/cdbg/LoadObject;"); 109 CHECK_EXCEPTION; 110 getThreadForThreadId_ID = (*env)->GetMethodID(env, cls, "getThreadForThreadId", 111 "(J)Lsun/jvm/hotspot/debugger/ThreadProxy;"); 112 CHECK_EXCEPTION; 113 // java.util.List method we call 114 listClass = (*env)->FindClass(env, "java/util/List"); 115 CHECK_EXCEPTION; 116 listAdd_ID = (*env)->GetMethodID(env, listClass, "add", "(Ljava/lang/Object;)Z"); 117 CHECK_EXCEPTION; 118 } 119 120 JNIEXPORT jint JNICALL Java_sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal_getAddressSize 121 (JNIEnv *env, jclass cls) 122 { 123 #ifdef _LP64 124 return 8; 125 #else 126 return 4; 127 #endif 128 129 } 130 131 132 static void fillThreadsAndLoadObjects(JNIEnv* env, jobject this_obj, struct ps_prochandle* ph) { 133 int n = 0, i = 0; 134 135 // add threads 136 n = get_num_threads(ph); 137 for (i = 0; i < n; i++) { 138 jobject thread; 139 jobject threadList; 140 lwpid_t lwpid; 141 142 lwpid = get_lwp_id(ph, i); 143 thread = (*env)->CallObjectMethod(env, this_obj, getThreadForThreadId_ID, 144 (jlong)lwpid); 145 CHECK_EXCEPTION; 146 threadList = (*env)->GetObjectField(env, this_obj, threadList_ID); 147 CHECK_EXCEPTION; 148 (*env)->CallBooleanMethod(env, threadList, listAdd_ID, thread); 149 CHECK_EXCEPTION; 150 } 151 152 // add load objects 153 n = get_num_libs(ph); 154 for (i = 0; i < n; i++) { 155 uintptr_t base; 156 const char* name; 157 jobject loadObject; 158 jobject loadObjectList; 159 jstring str; 160 161 base = get_lib_base(ph, i); 162 name = get_lib_name(ph, i); 163 164 str = (*env)->NewStringUTF(env, name); 165 CHECK_EXCEPTION; 166 loadObject = (*env)->CallObjectMethod(env, this_obj, createLoadObject_ID, str, (jlong)0, (jlong)base); 167 CHECK_EXCEPTION; 168 loadObjectList = (*env)->GetObjectField(env, this_obj, loadObjectList_ID); 169 CHECK_EXCEPTION; 170 (*env)->CallBooleanMethod(env, loadObjectList, listAdd_ID, loadObject); 171 CHECK_EXCEPTION; 172 } 173 } 174 175 176 /* 177 * Verify that a named ELF binary file (core or executable) has the same 178 * bitness as ourselves. 179 * Throw an exception if there is a mismatch or other problem. 180 * 181 * If we proceed using a mismatched debugger/debuggee, the best to hope 182 * for is a missing symbol, the worst is a crash searching for debug symbols. 183 */ 184 void verifyBitness(JNIEnv *env, const char *binaryName) { 185 int fd = open(binaryName, O_RDONLY); 186 if (fd < 0) { 187 THROW_NEW_DEBUGGER_EXCEPTION("cannot open binary file"); 188 } 189 unsigned char elf_ident[EI_NIDENT]; 190 int i = read(fd, &elf_ident, sizeof(elf_ident)); 191 close(fd); 192 193 if (i < 0) { 194 THROW_NEW_DEBUGGER_EXCEPTION("cannot read binary file"); 195 } 196 #ifndef _LP64 197 if (elf_ident[EI_CLASS] == ELFCLASS64) { 198 THROW_NEW_DEBUGGER_EXCEPTION("debuggee is 64 bit, use 64-bit java for debugger"); 199 } 200 #else 201 if (elf_ident[EI_CLASS] != ELFCLASS64) { 202 THROW_NEW_DEBUGGER_EXCEPTION("debuggee is 32 bit, use 32 bit java for debugger"); 203 } 204 #endif 205 } 206 207 208 /* 209 * Class: sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal 210 * Method: attach0 211 * Signature: (I)V 212 */ 213 JNIEXPORT void JNICALL Java_sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal_attach0__I 214 (JNIEnv *env, jobject this_obj, jint jpid) { 215 216 // For bitness checking, locate binary at /proc/jpid/exe 217 char buf[PATH_MAX]; 218 snprintf((char *) &buf, PATH_MAX, "/proc/%d/exe", jpid); 219 verifyBitness(env, (char *) &buf); 220 CHECK_EXCEPTION; 221 222 struct ps_prochandle* ph; 223 if ( (ph = Pgrab(jpid)) == NULL) { 224 THROW_NEW_DEBUGGER_EXCEPTION("Can't attach to the process"); 225 } 226 (*env)->SetLongField(env, this_obj, p_ps_prochandle_ID, (jlong)(intptr_t)ph); 227 fillThreadsAndLoadObjects(env, this_obj, ph); 228 } 229 230 /* 231 * Class: sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal 232 * Method: attach0 233 * Signature: (Ljava/lang/String;Ljava/lang/String;)V 234 */ 235 JNIEXPORT void JNICALL Java_sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal_attach0__Ljava_lang_String_2Ljava_lang_String_2 236 (JNIEnv *env, jobject this_obj, jstring execName, jstring coreName) { 237 const char *execName_cstr; 238 const char *coreName_cstr; 239 jboolean isCopy; 240 struct ps_prochandle* ph; 241 242 execName_cstr = (*env)->GetStringUTFChars(env, execName, &isCopy); 243 CHECK_EXCEPTION; 244 coreName_cstr = (*env)->GetStringUTFChars(env, coreName, &isCopy); 245 CHECK_EXCEPTION; 246 247 verifyBitness(env, execName_cstr); 248 CHECK_EXCEPTION; 249 250 if ( (ph = Pgrab_core(execName_cstr, coreName_cstr)) == NULL) { 251 (*env)->ReleaseStringUTFChars(env, execName, execName_cstr); 252 (*env)->ReleaseStringUTFChars(env, coreName, coreName_cstr); 253 THROW_NEW_DEBUGGER_EXCEPTION("Can't attach to the core file"); 254 } 255 (*env)->SetLongField(env, this_obj, p_ps_prochandle_ID, (jlong)(intptr_t)ph); 256 (*env)->ReleaseStringUTFChars(env, execName, execName_cstr); 257 (*env)->ReleaseStringUTFChars(env, coreName, coreName_cstr); 258 fillThreadsAndLoadObjects(env, this_obj, ph); 259 } 260 261 /* 262 * Class: sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal 263 * Method: detach0 264 * Signature: ()V 265 */ 266 JNIEXPORT void JNICALL Java_sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal_detach0 267 (JNIEnv *env, jobject this_obj) { 268 struct ps_prochandle* ph = get_proc_handle(env, this_obj); 269 if (ph != NULL) { 270 Prelease(ph); 271 } 272 } 273 274 /* 275 * Class: sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal 276 * Method: lookupByName0 277 * Signature: (Ljava/lang/String;Ljava/lang/String;)J 278 */ 279 JNIEXPORT jlong JNICALL Java_sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal_lookupByName0 280 (JNIEnv *env, jobject this_obj, jstring objectName, jstring symbolName) { 281 const char *objectName_cstr, *symbolName_cstr; 282 jlong addr; 283 jboolean isCopy; 284 struct ps_prochandle* ph = get_proc_handle(env, this_obj); 285 286 objectName_cstr = NULL; 287 if (objectName != NULL) { 288 objectName_cstr = (*env)->GetStringUTFChars(env, objectName, &isCopy); 289 CHECK_EXCEPTION_(0); 290 } 291 symbolName_cstr = (*env)->GetStringUTFChars(env, symbolName, &isCopy); 292 CHECK_EXCEPTION_(0); 293 294 addr = (jlong) lookup_symbol(ph, objectName_cstr, symbolName_cstr); 295 296 if (objectName_cstr != NULL) { 297 (*env)->ReleaseStringUTFChars(env, objectName, objectName_cstr); 298 } 299 (*env)->ReleaseStringUTFChars(env, symbolName, symbolName_cstr); 300 return addr; 301 } 302 303 /* 304 * Class: sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal 305 * Method: lookupByAddress0 306 * Signature: (J)Lsun/jvm/hotspot/debugger/cdbg/ClosestSymbol; 307 */ 308 JNIEXPORT jobject JNICALL Java_sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal_lookupByAddress0 309 (JNIEnv *env, jobject this_obj, jlong addr) { 310 uintptr_t offset; 311 jobject obj; 312 jstring str; 313 const char* sym = NULL; 314 315 struct ps_prochandle* ph = get_proc_handle(env, this_obj); 316 sym = symbol_for_pc(ph, (uintptr_t) addr, &offset); 317 if (sym == NULL) return 0; 318 str = (*env)->NewStringUTF(env, sym); 319 CHECK_EXCEPTION_(NULL); 320 obj = (*env)->CallObjectMethod(env, this_obj, createClosestSymbol_ID, str, (jlong)offset); 321 CHECK_EXCEPTION_(NULL); 322 return obj; 323 } 324 325 /* 326 * Class: sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal 327 * Method: readBytesFromProcess0 328 * Signature: (JJ)Lsun/jvm/hotspot/debugger/ReadResult; 329 */ 330 JNIEXPORT jbyteArray JNICALL Java_sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal_readBytesFromProcess0 331 (JNIEnv *env, jobject this_obj, jlong addr, jlong numBytes) { 332 333 jboolean isCopy; 334 jbyteArray array; 335 jbyte *bufPtr; 336 ps_err_e err; 337 338 array = (*env)->NewByteArray(env, numBytes); 339 CHECK_EXCEPTION_(0); 340 bufPtr = (*env)->GetByteArrayElements(env, array, &isCopy); 341 CHECK_EXCEPTION_(0); 342 343 err = ps_pdread(get_proc_handle(env, this_obj), (psaddr_t) (uintptr_t)addr, bufPtr, numBytes); 344 (*env)->ReleaseByteArrayElements(env, array, bufPtr, 0); 345 return (err == PS_OK)? array : 0; 346 } 347 348 #if defined(i386) || defined(amd64) || defined(sparc) || defined(sparcv9) | defined(ppc64) || defined(aarch64) 349 JNIEXPORT jlongArray JNICALL Java_sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal_getThreadIntegerRegisterSet0 350 (JNIEnv *env, jobject this_obj, jint lwp_id) { 351 352 struct user_regs_struct gregs; 353 jboolean isCopy; 354 jlongArray array; 355 jlong *regs; 356 int i; 357 358 struct ps_prochandle* ph = get_proc_handle(env, this_obj); 359 if (get_lwp_regs(ph, lwp_id, &gregs) != true) { 360 THROW_NEW_DEBUGGER_EXCEPTION_("get_thread_regs failed for a lwp", 0); 361 } 362 363 #undef NPRGREG 364 #ifdef i386 365 #define NPRGREG sun_jvm_hotspot_debugger_x86_X86ThreadContext_NPRGREG 366 #endif 367 #ifdef amd64 368 #define NPRGREG sun_jvm_hotspot_debugger_amd64_AMD64ThreadContext_NPRGREG 369 #endif 370 #ifdef aarch64 371 #define NPRGREG 32 372 #endif 373 #if defined(sparc) || defined(sparcv9) 374 #define NPRGREG sun_jvm_hotspot_debugger_sparc_SPARCThreadContext_NPRGREG 375 #endif 376 #ifdef ppc64 377 #define NPRGREG sun_jvm_hotspot_debugger_ppc64_PPC64ThreadContext_NPRGREG 378 #endif 379 380 381 array = (*env)->NewLongArray(env, NPRGREG); 382 CHECK_EXCEPTION_(0); 383 regs = (*env)->GetLongArrayElements(env, array, &isCopy); 384 385 #undef REG_INDEX 386 387 #ifdef i386 388 #define REG_INDEX(reg) sun_jvm_hotspot_debugger_x86_X86ThreadContext_##reg 389 390 regs[REG_INDEX(GS)] = (uintptr_t) gregs.xgs; 391 regs[REG_INDEX(FS)] = (uintptr_t) gregs.xfs; 392 regs[REG_INDEX(ES)] = (uintptr_t) gregs.xes; 393 regs[REG_INDEX(DS)] = (uintptr_t) gregs.xds; 394 regs[REG_INDEX(EDI)] = (uintptr_t) gregs.edi; 395 regs[REG_INDEX(ESI)] = (uintptr_t) gregs.esi; 396 regs[REG_INDEX(FP)] = (uintptr_t) gregs.ebp; 397 regs[REG_INDEX(SP)] = (uintptr_t) gregs.esp; 398 regs[REG_INDEX(EBX)] = (uintptr_t) gregs.ebx; 399 regs[REG_INDEX(EDX)] = (uintptr_t) gregs.edx; 400 regs[REG_INDEX(ECX)] = (uintptr_t) gregs.ecx; 401 regs[REG_INDEX(EAX)] = (uintptr_t) gregs.eax; 402 regs[REG_INDEX(PC)] = (uintptr_t) gregs.eip; 403 regs[REG_INDEX(CS)] = (uintptr_t) gregs.xcs; 404 regs[REG_INDEX(SS)] = (uintptr_t) gregs.xss; 405 406 #endif /* i386 */ 407 408 #ifdef amd64 409 #define REG_INDEX(reg) sun_jvm_hotspot_debugger_amd64_AMD64ThreadContext_##reg 410 411 regs[REG_INDEX(R15)] = gregs.r15; 412 regs[REG_INDEX(R14)] = gregs.r14; 413 regs[REG_INDEX(R13)] = gregs.r13; 414 regs[REG_INDEX(R12)] = gregs.r12; 415 regs[REG_INDEX(RBP)] = gregs.rbp; 416 regs[REG_INDEX(RBX)] = gregs.rbx; 417 regs[REG_INDEX(R11)] = gregs.r11; 418 regs[REG_INDEX(R10)] = gregs.r10; 419 regs[REG_INDEX(R9)] = gregs.r9; 420 regs[REG_INDEX(R8)] = gregs.r8; 421 regs[REG_INDEX(RAX)] = gregs.rax; 422 regs[REG_INDEX(RCX)] = gregs.rcx; 423 regs[REG_INDEX(RDX)] = gregs.rdx; 424 regs[REG_INDEX(RSI)] = gregs.rsi; 425 regs[REG_INDEX(RDI)] = gregs.rdi; 426 regs[REG_INDEX(RIP)] = gregs.rip; 427 regs[REG_INDEX(CS)] = gregs.cs; 428 regs[REG_INDEX(RSP)] = gregs.rsp; 429 regs[REG_INDEX(SS)] = gregs.ss; 430 regs[REG_INDEX(FSBASE)] = gregs.fs_base; 431 regs[REG_INDEX(GSBASE)] = gregs.gs_base; 432 regs[REG_INDEX(DS)] = gregs.ds; 433 regs[REG_INDEX(ES)] = gregs.es; 434 regs[REG_INDEX(FS)] = gregs.fs; 435 regs[REG_INDEX(GS)] = gregs.gs; 436 437 #endif /* amd64 */ 438 439 #if defined(sparc) || defined(sparcv9) 440 441 #define REG_INDEX(reg) sun_jvm_hotspot_debugger_sparc_SPARCThreadContext_##reg 442 443 #ifdef _LP64 444 regs[REG_INDEX(R_PSR)] = gregs.tstate; 445 regs[REG_INDEX(R_PC)] = gregs.tpc; 446 regs[REG_INDEX(R_nPC)] = gregs.tnpc; 447 regs[REG_INDEX(R_Y)] = gregs.y; 448 #else 449 regs[REG_INDEX(R_PSR)] = gregs.psr; 450 regs[REG_INDEX(R_PC)] = gregs.pc; 451 regs[REG_INDEX(R_nPC)] = gregs.npc; 452 regs[REG_INDEX(R_Y)] = gregs.y; 453 #endif 454 regs[REG_INDEX(R_G0)] = 0 ; 455 regs[REG_INDEX(R_G1)] = gregs.u_regs[0]; 456 regs[REG_INDEX(R_G2)] = gregs.u_regs[1]; 457 regs[REG_INDEX(R_G3)] = gregs.u_regs[2]; 458 regs[REG_INDEX(R_G4)] = gregs.u_regs[3]; 459 regs[REG_INDEX(R_G5)] = gregs.u_regs[4]; 460 regs[REG_INDEX(R_G6)] = gregs.u_regs[5]; 461 regs[REG_INDEX(R_G7)] = gregs.u_regs[6]; 462 regs[REG_INDEX(R_O0)] = gregs.u_regs[7]; 463 regs[REG_INDEX(R_O1)] = gregs.u_regs[8]; 464 regs[REG_INDEX(R_O2)] = gregs.u_regs[ 9]; 465 regs[REG_INDEX(R_O3)] = gregs.u_regs[10]; 466 regs[REG_INDEX(R_O4)] = gregs.u_regs[11]; 467 regs[REG_INDEX(R_O5)] = gregs.u_regs[12]; 468 regs[REG_INDEX(R_O6)] = gregs.u_regs[13]; 469 regs[REG_INDEX(R_O7)] = gregs.u_regs[14]; 470 #endif /* sparc */ 471 472 #if defined(aarch64) 473 474 #define REG_INDEX(reg) sun_jvm_hotspot_debugger_aarch64_AARCH64ThreadContext_##reg 475 476 #endif /* aarch64 */ 477 478 #ifdef ppc64 479 #define REG_INDEX(reg) sun_jvm_hotspot_debugger_ppc64_PPC64ThreadContext_##reg 480 481 regs[REG_INDEX(LR)] = gregs.link; 482 regs[REG_INDEX(NIP)] = gregs.nip; 483 regs[REG_INDEX(R0)] = gregs.gpr[0]; 484 regs[REG_INDEX(R1)] = gregs.gpr[1]; 485 regs[REG_INDEX(R2)] = gregs.gpr[2]; 486 regs[REG_INDEX(R3)] = gregs.gpr[3]; 487 regs[REG_INDEX(R4)] = gregs.gpr[4]; 488 regs[REG_INDEX(R5)] = gregs.gpr[5]; 489 regs[REG_INDEX(R6)] = gregs.gpr[6]; 490 regs[REG_INDEX(R7)] = gregs.gpr[7]; 491 regs[REG_INDEX(R8)] = gregs.gpr[8]; 492 regs[REG_INDEX(R9)] = gregs.gpr[9]; 493 regs[REG_INDEX(R10)] = gregs.gpr[10]; 494 regs[REG_INDEX(R11)] = gregs.gpr[11]; 495 regs[REG_INDEX(R12)] = gregs.gpr[12]; 496 regs[REG_INDEX(R13)] = gregs.gpr[13]; 497 regs[REG_INDEX(R14)] = gregs.gpr[14]; 498 regs[REG_INDEX(R15)] = gregs.gpr[15]; 499 regs[REG_INDEX(R16)] = gregs.gpr[16]; 500 regs[REG_INDEX(R17)] = gregs.gpr[17]; 501 regs[REG_INDEX(R18)] = gregs.gpr[18]; 502 regs[REG_INDEX(R19)] = gregs.gpr[19]; 503 regs[REG_INDEX(R20)] = gregs.gpr[20]; 504 regs[REG_INDEX(R21)] = gregs.gpr[21]; 505 regs[REG_INDEX(R22)] = gregs.gpr[22]; 506 regs[REG_INDEX(R23)] = gregs.gpr[23]; 507 regs[REG_INDEX(R24)] = gregs.gpr[24]; 508 regs[REG_INDEX(R25)] = gregs.gpr[25]; 509 regs[REG_INDEX(R26)] = gregs.gpr[26]; 510 regs[REG_INDEX(R27)] = gregs.gpr[27]; 511 regs[REG_INDEX(R28)] = gregs.gpr[28]; 512 regs[REG_INDEX(R29)] = gregs.gpr[29]; 513 regs[REG_INDEX(R30)] = gregs.gpr[30]; 514 regs[REG_INDEX(R31)] = gregs.gpr[31]; 515 516 #endif 517 518 (*env)->ReleaseLongArrayElements(env, array, regs, JNI_COMMIT); 519 return array; 520 } 521 #endif