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/*
* Copyright (c) 2003, 2024, 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.hpp"
#include "JVMTITools.hpp"
extern "C" {
#define PASSED 0
#define STATUS_FAILED 2
static jvmtiEnv *jvmti = nullptr;
static jint result = PASSED;
static jboolean printdump = JNI_FALSE;
static const char *exp_class_sig = "Ljava/lang/Object;";
static const char *arr_sigs[] = { "[B", "[C", "[D", "[F", "[I", "[J", "[S", "[Z",
"[Lnsk/jvmti/GetMethodDeclaringClass/declcls003;",
"[[Lnsk/jvmti/GetMethodDeclaringClass/declcls003;"
};
void do_check(JNIEnv *env, const char *name, const char *meth, const 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 = env->FindClass(name);
mid = env->GetMethodID(cl, meth, sig);
if (mid == nullptr) {
printf("%s.%s%s: mid = null\n", name, meth, sig);
result = STATUS_FAILED;
return;
}
err = jvmti->GetMethodDeclaringClass(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(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 != nullptr && strcmp(options, "printdump") == 0) {
printdump = JNI_TRUE;
}
res = jvm->GetEnv((void **) &jvmti, JVMTI_VERSION_1_1);
if (res != JNI_OK || jvmti == nullptr) {
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;
}
}
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