| /* |
| * Copyright (c) 2003, 2018, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| #include <stdio.h> |
| #include <string.h> |
| #include "jvmti.h" |
| #include "agent_common.h" |
| #include "JVMTITools.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| #ifndef JNI_ENV_ARG |
| |
| #ifdef __cplusplus |
| #define JNI_ENV_ARG(x, y) y |
| #define JNI_ENV_PTR(x) x |
| #else |
| #define JNI_ENV_ARG(x,y) x, y |
| #define JNI_ENV_PTR(x) (*x) |
| #endif |
| |
| #endif |
| |
| #define PASSED 0 |
| #define STATUS_FAILED 2 |
| |
| static jvmtiEnv *jvmti = NULL; |
| static jint result = PASSED; |
| static jboolean printdump = JNI_FALSE; |
| static char *exp_class_sig = "Ljava/lang/Object;"; |
| static char *arr_sigs[] = {"[B", "[C", "[D", "[F", "[I", "[J", "[S", "[Z", |
| "[Lnsk/jvmti/GetMethodDeclaringClass/declcls003;", |
| "[[Lnsk/jvmti/GetMethodDeclaringClass/declcls003;" |
| }; |
| |
| void do_check(JNIEnv *env, char *name, char *meth, char *sig) { |
| jvmtiError err; |
| jclass cl; |
| jclass ret_decl_cl; |
| jmethodID mid; |
| char *cl_sig, *generic; |
| |
| if (printdump == JNI_TRUE) { |
| printf(">>> checking: %s.%s%s\n", name, meth, sig); |
| } |
| |
| cl = JNI_ENV_PTR(env)->FindClass(JNI_ENV_ARG(env, name)); |
| mid = JNI_ENV_PTR(env)->GetMethodID(JNI_ENV_ARG(env, cl), meth, sig); |
| if (mid == NULL) { |
| printf("%s.%s%s: mid = NULL\n", name, meth, sig); |
| result = STATUS_FAILED; |
| return; |
| } |
| |
| err = (*jvmti)->GetMethodDeclaringClass(jvmti, mid, &ret_decl_cl); |
| if (err != JVMTI_ERROR_NONE) { |
| printf("%s.%s%s: ", name, meth, sig); |
| printf("(GetMethodDeclaringClass) unexpected error: %s (%d)\n", |
| TranslateError(err), err); |
| result = STATUS_FAILED; |
| return; |
| } |
| |
| err = (*jvmti)->GetClassSignature(jvmti, ret_decl_cl, &cl_sig, &generic); |
| if (err != JVMTI_ERROR_NONE) { |
| printf("%s.%s%s: ", name, meth, sig); |
| printf("(GetClassSignature) unexpected error: %s (%d)\n", |
| TranslateError(err), err); |
| result = STATUS_FAILED; |
| return; |
| } |
| |
| if (printdump == JNI_TRUE) { |
| printf(">>>\tmethod declaring class: %s\n", cl_sig); |
| } |
| |
| if (strcmp(exp_class_sig, cl_sig) != 0) { |
| printf("%s.%s%s: ", name, meth, sig); |
| printf("declaring class expected: %s, actual: %s\n", |
| exp_class_sig, cl_sig); |
| result = STATUS_FAILED; |
| } |
| } |
| |
| #ifdef STATIC_BUILD |
| JNIEXPORT jint JNICALL Agent_OnLoad_declcls003(JavaVM *jvm, char *options, void *reserved) { |
| return Agent_Initialize(jvm, options, reserved); |
| } |
| JNIEXPORT jint JNICALL Agent_OnAttach_declcls003(JavaVM *jvm, char *options, void *reserved) { |
| return Agent_Initialize(jvm, options, reserved); |
| } |
| JNIEXPORT jint JNI_OnLoad_declcls003(JavaVM *jvm, char *options, void *reserved) { |
| return JNI_VERSION_1_8; |
| } |
| #endif |
| jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) { |
| jint res; |
| |
| if (options != NULL && strcmp(options, "printdump") == 0) { |
| printdump = JNI_TRUE; |
| } |
| |
| res = JNI_ENV_PTR(jvm)->GetEnv(JNI_ENV_ARG(jvm, (void **) &jvmti), |
| JVMTI_VERSION_1_1); |
| if (res != JNI_OK || jvmti == NULL) { |
| printf("Wrong result of a valid call to GetEnv!\n"); |
| return JNI_ERR; |
| } |
| |
| return JNI_OK; |
| } |
| |
| JNIEXPORT jint JNICALL |
| Java_nsk_jvmti_GetMethodDeclaringClass_declcls003_check(JNIEnv *env, jclass cls) { |
| size_t i; |
| |
| for (i = 0; i < sizeof(arr_sigs)/sizeof(char *); i++) { |
| do_check(env, arr_sigs[i], "clone", "()Ljava/lang/Object;"); |
| do_check(env, arr_sigs[i], "equals", "(Ljava/lang/Object;)Z"); |
| do_check(env, arr_sigs[i], "finalize", "()V"); |
| do_check(env, arr_sigs[i], "getClass", "()Ljava/lang/Class;"); |
| do_check(env, arr_sigs[i], "hashCode", "()I"); |
| do_check(env, arr_sigs[i], "notify", "()V"); |
| do_check(env, arr_sigs[i], "notifyAll", "()V"); |
| do_check(env, arr_sigs[i], "toString", "()Ljava/lang/String;"); |
| do_check(env, arr_sigs[i], "wait", "()V"); |
| do_check(env, arr_sigs[i], "wait", "(J)V"); |
| do_check(env, arr_sigs[i], "wait", "(JI)V"); |
| } |
| |
| return result; |
| } |
| |
| #ifdef __cplusplus |
| } |
| #endif |