1 /*
2 * Copyright (c) 2002, 2019, Oracle and/or its affiliates. All rights reserved.
3 * Copyright (c) 2019, NTT DATA.
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This code is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 only, as
8 * published by the Free Software Foundation.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 *
590 */
591 extern "C"
592 JNIEXPORT jstring JNICALL Java_sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal_demangle
593 (JNIEnv *env, jobject this_obj, jstring jsym) {
594 int status;
595 jstring result = NULL;
596
597 const char *sym = env->GetStringUTFChars(jsym, JNI_FALSE);
598 char *demangled = abi::__cxa_demangle(sym, NULL, 0, &status);
599 env->ReleaseStringUTFChars(jsym, sym);
600 if ((demangled != NULL) && (status == 0)) {
601 result = env->NewStringUTF(demangled);
602 free(demangled);
603 } else if (status == -2) { // not C++ ABI mangling rules - maybe C style
604 result = jsym;
605 } else {
606 THROW_NEW_DEBUGGER_EXCEPTION_("Could not demangle", NULL);
607 }
608
609 return result;
610 }
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1 /*
2 * Copyright (c) 2002, 2020, Oracle and/or its affiliates. All rights reserved.
3 * Copyright (c) 2019, 2020, NTT DATA.
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This code is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 only, as
8 * published by the Free Software Foundation.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 *
590 */
591 extern "C"
592 JNIEXPORT jstring JNICALL Java_sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal_demangle
593 (JNIEnv *env, jobject this_obj, jstring jsym) {
594 int status;
595 jstring result = NULL;
596
597 const char *sym = env->GetStringUTFChars(jsym, JNI_FALSE);
598 char *demangled = abi::__cxa_demangle(sym, NULL, 0, &status);
599 env->ReleaseStringUTFChars(jsym, sym);
600 if ((demangled != NULL) && (status == 0)) {
601 result = env->NewStringUTF(demangled);
602 free(demangled);
603 } else if (status == -2) { // not C++ ABI mangling rules - maybe C style
604 result = jsym;
605 } else {
606 THROW_NEW_DEBUGGER_EXCEPTION_("Could not demangle", NULL);
607 }
608
609 return result;
610 }
611
612 /*
613 * Class: sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal
614 * Method: findLibPtrByAddress0
615 * Signature: (J)J
616 */
617 extern "C"
618 JNIEXPORT jlong JNICALL Java_sun_jvm_hotspot_debugger_linux_LinuxDebuggerLocal_findLibPtrByAddress0
619 (JNIEnv *env, jobject this_obj, jlong pc) {
620 struct ps_prochandle* ph = get_proc_handle(env, this_obj);
621 return reinterpret_cast<jlong>(find_lib_by_address(ph, pc));
622 }
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