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