1 /* 2 * Copyright (c) 2002, 2019, 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 #include "proc_service.h" 28 29 #include <elf.h> 30 #include <sys/types.h> 31 #include <sys/stat.h> 32 #include <fcntl.h> 33 #include <stdlib.h> 34 #include <string.h> 35 #include <limits.h> 36 37 #if defined(x86_64) && !defined(amd64) 38 #define amd64 1 39 #endif 40 41 #ifdef i386 42 #include "sun_jvm_hotspot_debugger_x86_X86ThreadContext.h" 43 #endif 44 45 #ifdef amd64 46 #include "sun_jvm_hotspot_debugger_amd64_AMD64ThreadContext.h" 47 #endif 48 49 #if defined(sparc) || defined(sparcv9) 50 #include "sun_jvm_hotspot_debugger_sparc_SPARCThreadContext.h" 51 #endif 52 53 #if defined(ppc64) || defined(ppc64le) 54 #include "sun_jvm_hotspot_debugger_ppc64_PPC64ThreadContext.h" 55 #endif 56 57 #ifdef aarch64 58 #include "sun_jvm_hotspot_debugger_aarch64_AARCH64ThreadContext.h" 59 #endif 60 61 static jfieldID p_ps_prochandle_ID = 0; 62 static jfieldID threadList_ID = 0; 63 static jfieldID loadObjectList_ID = 0; 64 65 static jmethodID createClosestSymbol_ID = 0; 66 static jmethodID createLoadObject_ID = 0; 67 static jmethodID getThreadForThreadId_ID = 0; 68 static jmethodID listAdd_ID = 0; 69 70 /* 71 * SA_ALTROOT environment variable. 72 * This memory holds env string for putenv(3). 73 */ 74 static char *saaltroot = NULL; 75 76 #define CHECK_EXCEPTION_(value) if ((*env)->ExceptionOccurred(env)) { return value; } 77 #define CHECK_EXCEPTION if ((*env)->ExceptionOccurred(env)) { return;} 78 #define THROW_NEW_DEBUGGER_EXCEPTION_(str, value) { throw_new_debugger_exception(env, str); return value; } 79 #define THROW_NEW_DEBUGGER_EXCEPTION(str) { throw_new_debugger_exception(env, str); return;} 80 81 void throw_new_debugger_exception(JNIEnv* env, const char* errMsg) { 82 jclass clazz; 83 clazz = (*env)->FindClass(env, "sun/jvm/hotspot/debugger/DebuggerException"); 84 CHECK_EXCEPTION; 85 (*env)->ThrowNew(env, clazz, errMsg); 86 } 87 88 struct ps_prochandle* get_proc_handle(JNIEnv* env, jobject this_obj) { 89 jlong ptr = (*env)->GetLongField(env, this_obj, p_ps_prochandle_ID); 90 return (struct ps_prochandle*)(intptr_t)ptr; 91 } 92 93 /* 94 * Class: sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal 95 * Method: init0 96 * Signature: ()V 97 */ 98 JNIEXPORT void JNICALL Java_sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal_init0 99 (JNIEnv *env, jclass cls) { 100 jclass listClass; 101 102 if (init_libproc(getenv("LIBSAPROC_DEBUG") != NULL) != true) { 103 THROW_NEW_DEBUGGER_EXCEPTION("can't initialize libproc"); 104 } 105 106 // fields we use 107 p_ps_prochandle_ID = (*env)->GetFieldID(env, cls, "p_ps_prochandle", "J"); 108 CHECK_EXCEPTION; 109 threadList_ID = (*env)->GetFieldID(env, cls, "threadList", "Ljava/util/List;"); 110 CHECK_EXCEPTION; 111 loadObjectList_ID = (*env)->GetFieldID(env, cls, "loadObjectList", "Ljava/util/List;"); 112 CHECK_EXCEPTION; 113 114 // methods we use 115 createClosestSymbol_ID = (*env)->GetMethodID(env, cls, "createClosestSymbol", 116 "(Ljava/lang/String;J)Lsun/jvm/hotspot/debugger/cdbg/ClosestSymbol;"); 117 CHECK_EXCEPTION; 118 createLoadObject_ID = (*env)->GetMethodID(env, cls, "createLoadObject", 119 "(Ljava/lang/String;JJ)Lsun/jvm/hotspot/debugger/cdbg/LoadObject;"); 120 CHECK_EXCEPTION; 121 getThreadForThreadId_ID = (*env)->GetMethodID(env, cls, "getThreadForThreadId", 122 "(J)Lsun/jvm/hotspot/debugger/ThreadProxy;"); 123 CHECK_EXCEPTION; 124 // java.util.List method we call 125 listClass = (*env)->FindClass(env, "java/util/List"); 126 CHECK_EXCEPTION; 127 listAdd_ID = (*env)->GetMethodID(env, listClass, "add", "(Ljava/lang/Object;)Z"); 128 CHECK_EXCEPTION; 129 } 130 131 JNIEXPORT jint JNICALL Java_sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal_getAddressSize 132 (JNIEnv *env, jclass cls) 133 { 134 #ifdef _LP64 135 return 8; 136 #else 137 return 4; 138 #endif 139 140 } 141 142 143 static void fillThreadsAndLoadObjects(JNIEnv* env, jobject this_obj, struct ps_prochandle* ph) { 144 int n = 0, i = 0; 145 146 // add threads 147 n = get_num_threads(ph); 148 for (i = 0; i < n; i++) { 149 jobject thread; 150 jobject threadList; 151 lwpid_t lwpid; 152 153 lwpid = get_lwp_id(ph, i); 154 thread = (*env)->CallObjectMethod(env, this_obj, getThreadForThreadId_ID, 155 (jlong)lwpid); 156 CHECK_EXCEPTION; 157 threadList = (*env)->GetObjectField(env, this_obj, threadList_ID); 158 CHECK_EXCEPTION; 159 (*env)->CallBooleanMethod(env, threadList, listAdd_ID, thread); 160 CHECK_EXCEPTION; 161 } 162 163 // add load objects 164 n = get_num_libs(ph); 165 for (i = 0; i < n; i++) { 166 uintptr_t base; 167 const char* name; 168 jobject loadObject; 169 jobject loadObjectList; 170 jstring str; 171 172 base = get_lib_base(ph, i); 173 name = get_lib_name(ph, i); 174 175 str = (*env)->NewStringUTF(env, name); 176 CHECK_EXCEPTION; 177 loadObject = (*env)->CallObjectMethod(env, this_obj, createLoadObject_ID, str, (jlong)0, (jlong)base); 178 CHECK_EXCEPTION; 179 loadObjectList = (*env)->GetObjectField(env, this_obj, loadObjectList_ID); 180 CHECK_EXCEPTION; 181 (*env)->CallBooleanMethod(env, loadObjectList, listAdd_ID, loadObject); 182 CHECK_EXCEPTION; 183 } 184 } 185 186 187 /* 188 * Verify that a named ELF binary file (core or executable) has the same 189 * bitness as ourselves. 190 * Throw an exception if there is a mismatch or other problem. 191 * 192 * If we proceed using a mismatched debugger/debuggee, the best to hope 193 * for is a missing symbol, the worst is a crash searching for debug symbols. 194 */ 195 void verifyBitness(JNIEnv *env, const char *binaryName) { 196 int fd = open(binaryName, O_RDONLY); 197 if (fd < 0) { 198 THROW_NEW_DEBUGGER_EXCEPTION("cannot open binary file"); 199 } 200 unsigned char elf_ident[EI_NIDENT]; 201 int i = read(fd, &elf_ident, sizeof(elf_ident)); 202 close(fd); 203 204 if (i < 0) { 205 THROW_NEW_DEBUGGER_EXCEPTION("cannot read binary file"); 206 } 207 #ifndef _LP64 208 if (elf_ident[EI_CLASS] == ELFCLASS64) { 209 THROW_NEW_DEBUGGER_EXCEPTION("debuggee is 64 bit, use 64-bit java for debugger"); 210 } 211 #else 212 if (elf_ident[EI_CLASS] != ELFCLASS64) { 213 THROW_NEW_DEBUGGER_EXCEPTION("debuggee is 32 bit, use 32 bit java for debugger"); 214 } 215 #endif 216 } 217 218 219 /* 220 * Class: sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal 221 * Method: setSAAltRoot0 222 * Signature: (Ljava/lang/String;)V 223 */ 224 JNIEXPORT void JNICALL Java_sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal_setSAAltRoot0 225 (JNIEnv *env, jobject this_obj, jstring altroot) { 226 if (saaltroot != NULL) { 227 free(saaltroot); 228 } 229 const char *path = (*env)->GetStringUTFChars(env, altroot, JNI_FALSE); 230 /* 231 * `saaltroot` is used for putenv(). 232 * So we need to keep this memory. 233 */ 234 static const char *PREFIX = "SA_ALTROOT="; 235 size_t len = strlen(PREFIX) + strlen(path) + 1; 236 saaltroot = (char *)malloc(len); 237 snprintf(saaltroot, len, "%s%s", PREFIX, path); 238 putenv(saaltroot); 239 (*env)->ReleaseStringUTFChars(env, altroot, path); 240 } 241 242 /* 243 * Class: sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal 244 * Method: attach0 245 * Signature: (I)V 246 */ 247 JNIEXPORT void JNICALL Java_sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal_attach0__I 248 (JNIEnv *env, jobject this_obj, jint jpid) { 249 250 // For bitness checking, locate binary at /proc/jpid/exe 251 char buf[PATH_MAX]; 252 snprintf((char *) &buf, PATH_MAX, "/proc/%d/exe", jpid); 253 verifyBitness(env, (char *) &buf); 254 CHECK_EXCEPTION; 255 256 char err_buf[200]; 257 struct ps_prochandle* ph; 258 if ((ph = Pgrab(jpid, err_buf, sizeof(err_buf))) == NULL) { 259 char msg[230]; 260 snprintf(msg, sizeof(msg), "Can't attach to the process: %s", err_buf); 261 THROW_NEW_DEBUGGER_EXCEPTION(msg); 262 } 263 (*env)->SetLongField(env, this_obj, p_ps_prochandle_ID, (jlong)(intptr_t)ph); 264 fillThreadsAndLoadObjects(env, this_obj, ph); 265 } 266 267 /* 268 * Class: sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal 269 * Method: attach0 270 * Signature: (Ljava/lang/String;Ljava/lang/String;)V 271 */ 272 JNIEXPORT void JNICALL Java_sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal_attach0__Ljava_lang_String_2Ljava_lang_String_2 273 (JNIEnv *env, jobject this_obj, jstring execName, jstring coreName) { 274 const char *execName_cstr; 275 const char *coreName_cstr; 276 jboolean isCopy; 277 struct ps_prochandle* ph; 278 279 execName_cstr = (*env)->GetStringUTFChars(env, execName, &isCopy); 280 CHECK_EXCEPTION; 281 coreName_cstr = (*env)->GetStringUTFChars(env, coreName, &isCopy); 282 CHECK_EXCEPTION; 283 284 verifyBitness(env, execName_cstr); 285 CHECK_EXCEPTION; 286 287 if ( (ph = Pgrab_core(execName_cstr, coreName_cstr)) == NULL) { 288 (*env)->ReleaseStringUTFChars(env, execName, execName_cstr); 289 (*env)->ReleaseStringUTFChars(env, coreName, coreName_cstr); 290 THROW_NEW_DEBUGGER_EXCEPTION("Can't attach to the core file"); 291 } 292 (*env)->SetLongField(env, this_obj, p_ps_prochandle_ID, (jlong)(intptr_t)ph); 293 (*env)->ReleaseStringUTFChars(env, execName, execName_cstr); 294 (*env)->ReleaseStringUTFChars(env, coreName, coreName_cstr); 295 fillThreadsAndLoadObjects(env, this_obj, ph); 296 } 297 298 /* 299 * Class: sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal 300 * Method: detach0 301 * Signature: ()V 302 */ 303 JNIEXPORT void JNICALL Java_sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal_detach0 304 (JNIEnv *env, jobject this_obj) { 305 struct ps_prochandle* ph = get_proc_handle(env, this_obj); 306 if (ph != NULL) { 307 Prelease(ph); 308 } 309 if (saaltroot != NULL) { 310 free(saaltroot); 311 saaltroot = NULL; 312 } 313 } 314 315 /* 316 * Class: sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal 317 * Method: lookupByName0 318 * Signature: (Ljava/lang/String;Ljava/lang/String;)J 319 */ 320 JNIEXPORT jlong JNICALL Java_sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal_lookupByName0 321 (JNIEnv *env, jobject this_obj, jstring objectName, jstring symbolName) { 322 const char *objectName_cstr, *symbolName_cstr; 323 jlong addr; 324 jboolean isCopy; 325 struct ps_prochandle* ph = get_proc_handle(env, this_obj); 326 327 objectName_cstr = NULL; 328 if (objectName != NULL) { 329 objectName_cstr = (*env)->GetStringUTFChars(env, objectName, &isCopy); 330 CHECK_EXCEPTION_(0); 331 } 332 symbolName_cstr = (*env)->GetStringUTFChars(env, symbolName, &isCopy); 333 CHECK_EXCEPTION_(0); 334 335 addr = (jlong) lookup_symbol(ph, objectName_cstr, symbolName_cstr); 336 337 if (objectName_cstr != NULL) { 338 (*env)->ReleaseStringUTFChars(env, objectName, objectName_cstr); 339 } 340 (*env)->ReleaseStringUTFChars(env, symbolName, symbolName_cstr); 341 return addr; 342 } 343 344 /* 345 * Class: sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal 346 * Method: lookupByAddress0 347 * Signature: (J)Lsun/jvm/hotspot/debugger/cdbg/ClosestSymbol; 348 */ 349 JNIEXPORT jobject JNICALL Java_sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal_lookupByAddress0 350 (JNIEnv *env, jobject this_obj, jlong addr) { 351 uintptr_t offset; 352 jobject obj; 353 jstring str; 354 const char* sym = NULL; 355 356 struct ps_prochandle* ph = get_proc_handle(env, this_obj); 357 sym = symbol_for_pc(ph, (uintptr_t) addr, &offset); 358 if (sym == NULL) return 0; 359 str = (*env)->NewStringUTF(env, sym); 360 CHECK_EXCEPTION_(NULL); 361 obj = (*env)->CallObjectMethod(env, this_obj, createClosestSymbol_ID, str, (jlong)offset); 362 CHECK_EXCEPTION_(NULL); 363 return obj; 364 } 365 366 /* 367 * Class: sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal 368 * Method: readBytesFromProcess0 369 * Signature: (JJ)Lsun/jvm/hotspot/debugger/ReadResult; 370 */ 371 JNIEXPORT jbyteArray JNICALL Java_sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal_readBytesFromProcess0 372 (JNIEnv *env, jobject this_obj, jlong addr, jlong numBytes) { 373 374 jboolean isCopy; 375 jbyteArray array; 376 jbyte *bufPtr; 377 ps_err_e err; 378 379 array = (*env)->NewByteArray(env, numBytes); 380 CHECK_EXCEPTION_(0); 381 bufPtr = (*env)->GetByteArrayElements(env, array, &isCopy); 382 CHECK_EXCEPTION_(0); 383 384 err = ps_pdread(get_proc_handle(env, this_obj), (psaddr_t) (uintptr_t)addr, bufPtr, numBytes); 385 (*env)->ReleaseByteArrayElements(env, array, bufPtr, 0); 386 return (err == PS_OK)? array : 0; 387 } 388 389 #if defined(i386) || defined(amd64) || defined(sparc) || defined(sparcv9) | defined(ppc64) || defined(ppc64le) || defined(aarch64) 390 JNIEXPORT jlongArray JNICALL Java_sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal_getThreadIntegerRegisterSet0 391 (JNIEnv *env, jobject this_obj, jint lwp_id) { 392 393 struct user_regs_struct gregs; 394 jboolean isCopy; 395 jlongArray array; 396 jlong *regs; 397 int i; 398 399 struct ps_prochandle* ph = get_proc_handle(env, this_obj); 400 if (get_lwp_regs(ph, lwp_id, &gregs) != true) { 401 THROW_NEW_DEBUGGER_EXCEPTION_("get_thread_regs failed for a lwp", 0); 402 } 403 404 #undef NPRGREG 405 #ifdef i386 406 #define NPRGREG sun_jvm_hotspot_debugger_x86_X86ThreadContext_NPRGREG 407 #endif 408 #ifdef amd64 409 #define NPRGREG sun_jvm_hotspot_debugger_amd64_AMD64ThreadContext_NPRGREG 410 #endif 411 #ifdef aarch64 412 #define NPRGREG sun_jvm_hotspot_debugger_aarch64_AARCH64ThreadContext_NPRGREG 413 #endif 414 #if defined(sparc) || defined(sparcv9) 415 #define NPRGREG sun_jvm_hotspot_debugger_sparc_SPARCThreadContext_NPRGREG 416 #endif 417 #if defined(ppc64) || defined(ppc64le) 418 #define NPRGREG sun_jvm_hotspot_debugger_ppc64_PPC64ThreadContext_NPRGREG 419 #endif 420 421 422 array = (*env)->NewLongArray(env, NPRGREG); 423 CHECK_EXCEPTION_(0); 424 regs = (*env)->GetLongArrayElements(env, array, &isCopy); 425 426 #undef REG_INDEX 427 428 #ifdef i386 429 #define REG_INDEX(reg) sun_jvm_hotspot_debugger_x86_X86ThreadContext_##reg 430 431 regs[REG_INDEX(GS)] = (uintptr_t) gregs.xgs; 432 regs[REG_INDEX(FS)] = (uintptr_t) gregs.xfs; 433 regs[REG_INDEX(ES)] = (uintptr_t) gregs.xes; 434 regs[REG_INDEX(DS)] = (uintptr_t) gregs.xds; 435 regs[REG_INDEX(EDI)] = (uintptr_t) gregs.edi; 436 regs[REG_INDEX(ESI)] = (uintptr_t) gregs.esi; 437 regs[REG_INDEX(FP)] = (uintptr_t) gregs.ebp; 438 regs[REG_INDEX(SP)] = (uintptr_t) gregs.esp; 439 regs[REG_INDEX(EBX)] = (uintptr_t) gregs.ebx; 440 regs[REG_INDEX(EDX)] = (uintptr_t) gregs.edx; 441 regs[REG_INDEX(ECX)] = (uintptr_t) gregs.ecx; 442 regs[REG_INDEX(EAX)] = (uintptr_t) gregs.eax; 443 regs[REG_INDEX(PC)] = (uintptr_t) gregs.eip; 444 regs[REG_INDEX(CS)] = (uintptr_t) gregs.xcs; 445 regs[REG_INDEX(SS)] = (uintptr_t) gregs.xss; 446 447 #endif /* i386 */ 448 449 #ifdef amd64 450 #define REG_INDEX(reg) sun_jvm_hotspot_debugger_amd64_AMD64ThreadContext_##reg 451 452 regs[REG_INDEX(R15)] = gregs.r15; 453 regs[REG_INDEX(R14)] = gregs.r14; 454 regs[REG_INDEX(R13)] = gregs.r13; 455 regs[REG_INDEX(R12)] = gregs.r12; 456 regs[REG_INDEX(RBP)] = gregs.rbp; 457 regs[REG_INDEX(RBX)] = gregs.rbx; 458 regs[REG_INDEX(R11)] = gregs.r11; 459 regs[REG_INDEX(R10)] = gregs.r10; 460 regs[REG_INDEX(R9)] = gregs.r9; 461 regs[REG_INDEX(R8)] = gregs.r8; 462 regs[REG_INDEX(RAX)] = gregs.rax; 463 regs[REG_INDEX(RCX)] = gregs.rcx; 464 regs[REG_INDEX(RDX)] = gregs.rdx; 465 regs[REG_INDEX(RSI)] = gregs.rsi; 466 regs[REG_INDEX(RDI)] = gregs.rdi; 467 regs[REG_INDEX(RIP)] = gregs.rip; 468 regs[REG_INDEX(CS)] = gregs.cs; 469 regs[REG_INDEX(RSP)] = gregs.rsp; 470 regs[REG_INDEX(SS)] = gregs.ss; 471 regs[REG_INDEX(FSBASE)] = gregs.fs_base; 472 regs[REG_INDEX(GSBASE)] = gregs.gs_base; 473 regs[REG_INDEX(DS)] = gregs.ds; 474 regs[REG_INDEX(ES)] = gregs.es; 475 regs[REG_INDEX(FS)] = gregs.fs; 476 regs[REG_INDEX(GS)] = gregs.gs; 477 478 #endif /* amd64 */ 479 480 #if defined(sparc) || defined(sparcv9) 481 482 #define REG_INDEX(reg) sun_jvm_hotspot_debugger_sparc_SPARCThreadContext_##reg 483 484 #ifdef _LP64 485 regs[REG_INDEX(R_PSR)] = gregs.tstate; 486 regs[REG_INDEX(R_PC)] = gregs.tpc; 487 regs[REG_INDEX(R_nPC)] = gregs.tnpc; 488 regs[REG_INDEX(R_Y)] = gregs.y; 489 #else 490 regs[REG_INDEX(R_PSR)] = gregs.psr; 491 regs[REG_INDEX(R_PC)] = gregs.pc; 492 regs[REG_INDEX(R_nPC)] = gregs.npc; 493 regs[REG_INDEX(R_Y)] = gregs.y; 494 #endif 495 regs[REG_INDEX(R_G0)] = 0 ; 496 regs[REG_INDEX(R_G1)] = gregs.u_regs[0]; 497 regs[REG_INDEX(R_G2)] = gregs.u_regs[1]; 498 regs[REG_INDEX(R_G3)] = gregs.u_regs[2]; 499 regs[REG_INDEX(R_G4)] = gregs.u_regs[3]; 500 regs[REG_INDEX(R_G5)] = gregs.u_regs[4]; 501 regs[REG_INDEX(R_G6)] = gregs.u_regs[5]; 502 regs[REG_INDEX(R_G7)] = gregs.u_regs[6]; 503 regs[REG_INDEX(R_O0)] = gregs.u_regs[7]; 504 regs[REG_INDEX(R_O1)] = gregs.u_regs[8]; 505 regs[REG_INDEX(R_O2)] = gregs.u_regs[ 9]; 506 regs[REG_INDEX(R_O3)] = gregs.u_regs[10]; 507 regs[REG_INDEX(R_O4)] = gregs.u_regs[11]; 508 regs[REG_INDEX(R_O5)] = gregs.u_regs[12]; 509 regs[REG_INDEX(R_O6)] = gregs.u_regs[13]; 510 regs[REG_INDEX(R_O7)] = gregs.u_regs[14]; 511 #endif /* sparc */ 512 513 #if defined(aarch64) 514 515 #define REG_INDEX(reg) sun_jvm_hotspot_debugger_aarch64_AARCH64ThreadContext_##reg 516 517 { 518 int i; 519 for (i = 0; i < 31; i++) 520 regs[i] = gregs.regs[i]; 521 regs[REG_INDEX(SP)] = gregs.sp; 522 regs[REG_INDEX(PC)] = gregs.pc; 523 } 524 #endif /* aarch64 */ 525 526 #if defined(ppc64) || defined(ppc64le) 527 #define REG_INDEX(reg) sun_jvm_hotspot_debugger_ppc64_PPC64ThreadContext_##reg 528 529 regs[REG_INDEX(LR)] = gregs.link; 530 regs[REG_INDEX(NIP)] = gregs.nip; 531 regs[REG_INDEX(R0)] = gregs.gpr[0]; 532 regs[REG_INDEX(R1)] = gregs.gpr[1]; 533 regs[REG_INDEX(R2)] = gregs.gpr[2]; 534 regs[REG_INDEX(R3)] = gregs.gpr[3]; 535 regs[REG_INDEX(R4)] = gregs.gpr[4]; 536 regs[REG_INDEX(R5)] = gregs.gpr[5]; 537 regs[REG_INDEX(R6)] = gregs.gpr[6]; 538 regs[REG_INDEX(R7)] = gregs.gpr[7]; 539 regs[REG_INDEX(R8)] = gregs.gpr[8]; 540 regs[REG_INDEX(R9)] = gregs.gpr[9]; 541 regs[REG_INDEX(R10)] = gregs.gpr[10]; 542 regs[REG_INDEX(R11)] = gregs.gpr[11]; 543 regs[REG_INDEX(R12)] = gregs.gpr[12]; 544 regs[REG_INDEX(R13)] = gregs.gpr[13]; 545 regs[REG_INDEX(R14)] = gregs.gpr[14]; 546 regs[REG_INDEX(R15)] = gregs.gpr[15]; 547 regs[REG_INDEX(R16)] = gregs.gpr[16]; 548 regs[REG_INDEX(R17)] = gregs.gpr[17]; 549 regs[REG_INDEX(R18)] = gregs.gpr[18]; 550 regs[REG_INDEX(R19)] = gregs.gpr[19]; 551 regs[REG_INDEX(R20)] = gregs.gpr[20]; 552 regs[REG_INDEX(R21)] = gregs.gpr[21]; 553 regs[REG_INDEX(R22)] = gregs.gpr[22]; 554 regs[REG_INDEX(R23)] = gregs.gpr[23]; 555 regs[REG_INDEX(R24)] = gregs.gpr[24]; 556 regs[REG_INDEX(R25)] = gregs.gpr[25]; 557 regs[REG_INDEX(R26)] = gregs.gpr[26]; 558 regs[REG_INDEX(R27)] = gregs.gpr[27]; 559 regs[REG_INDEX(R28)] = gregs.gpr[28]; 560 regs[REG_INDEX(R29)] = gregs.gpr[29]; 561 regs[REG_INDEX(R30)] = gregs.gpr[30]; 562 regs[REG_INDEX(R31)] = gregs.gpr[31]; 563 564 #endif 565 566 (*env)->ReleaseLongArrayElements(env, array, regs, JNI_COMMIT); 567 return array; 568 } 569 #endif