148 lines
4.6 KiB
C++
148 lines
4.6 KiB
C++
/*
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* Copyright (c) 2003, 2024, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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#include <stdio.h>
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#include <string.h>
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#include "jvmti.h"
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#include "agent_common.hpp"
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#include "JVMTITools.hpp"
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extern "C" {
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#define PASSED 0
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#define STATUS_FAILED 2
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#define ACC_PUBLIC 0x0001
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#define ACC_PRIVATE 0x0002
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#define ACC_PROTECTED 0x0004
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#define ACC_STATIC 0x0008
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#define ACC_FINAL 0x0010
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#define ACC_SUPER 0x0020
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#define ACC_INTERFACE 0x0200
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#define ACC_ABSTRACT 0x0400
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static jvmtiEnv *jvmti = nullptr;
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static jint result = PASSED;
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static jboolean printdump = JNI_FALSE;
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#ifdef STATIC_BUILD
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JNIEXPORT jint JNICALL Agent_OnLoad_getclmdf007(JavaVM *jvm, char *options, void *reserved) {
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return Agent_Initialize(jvm, options, reserved);
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}
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JNIEXPORT jint JNICALL Agent_OnAttach_getclmdf007(JavaVM *jvm, char *options, void *reserved) {
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return Agent_Initialize(jvm, options, reserved);
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}
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JNIEXPORT jint JNI_OnLoad_getclmdf007(JavaVM *jvm, char *options, void *reserved) {
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return JNI_VERSION_1_8;
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}
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#endif
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jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) {
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jint res;
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if (options != nullptr && strcmp(options, "printdump") == 0) {
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printdump = JNI_TRUE;
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}
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res = jvm->GetEnv((void **) &jvmti, JVMTI_VERSION_1_1);
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if (res != JNI_OK || jvmti == nullptr) {
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printf("Wrong result of a valid call to GetEnv!\n");
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return JNI_ERR;
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}
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return JNI_OK;
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}
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void printModifiers(jint mod) {
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if (mod & ACC_PUBLIC) printf(" PUBLIC");
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if (mod & ACC_PRIVATE) printf(" PRIVATE");
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if (mod & ACC_PROTECTED) printf(" PROTECTED");
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if (mod & ACC_STATIC) printf(" STATIC");
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if (mod & ACC_FINAL) printf(" FINAL");
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if (mod & ACC_SUPER) printf(" SUPER");
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if (mod & ACC_INTERFACE) printf(" INTERFACE");
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if (mod & ACC_ABSTRACT) printf(" ABSTRACT");
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printf(" (0x%0x)\n", mod);
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}
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JNIEXPORT void JNICALL
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Java_nsk_jvmti_GetClassModifiers_getclmdf007_check(JNIEnv *env, jclass cls, jint i, jclass arr, jclass comp) {
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jvmtiError err;
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jint ArrayModifiers;
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jint ComponentModifiers;
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if (jvmti == nullptr) {
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printf("JVMTI client was not properly loaded!\n");
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result = STATUS_FAILED;
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return;
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}
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err = jvmti->GetClassModifiers(arr, &ArrayModifiers);
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if (err != JVMTI_ERROR_NONE) {
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printf("(GetClassModifiers#%d, arr) unexpected error: %s (%d)\n",
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i, TranslateError(err), err);
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result = STATUS_FAILED;
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return;
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}
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if (printdump == JNI_TRUE) {
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printf(">>> %d:", i);
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printModifiers(ArrayModifiers);
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}
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if ((ArrayModifiers & ACC_FINAL) == 0) {
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printf("(%d) ACC_FINAL bit should be set\n", i);
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result = STATUS_FAILED;
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}
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if ((ArrayModifiers & ACC_INTERFACE) != 0) {
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printf("(%d) ACC_INTERFACE bit should be clear\n", i);
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result = STATUS_FAILED;
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}
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err = jvmti->GetClassModifiers(comp, &ComponentModifiers);
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if (err != JVMTI_ERROR_NONE) {
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printf("(GetClassModifiers#%d, comp) unexpected error: %s (%d)\n",
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i, TranslateError(err), err);
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result = STATUS_FAILED;
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return;
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}
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ArrayModifiers &= (ACC_PUBLIC | ACC_PRIVATE | ACC_PROTECTED);
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ComponentModifiers &= (ACC_PUBLIC | ACC_PRIVATE | ACC_PROTECTED);
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if (ArrayModifiers != ComponentModifiers) {
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printf("(%d) access bits of array do not match component ones\n", i);
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printf(" array:");
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printModifiers(ArrayModifiers);
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printf(" component:");
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printModifiers(ComponentModifiers);
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result = STATUS_FAILED;
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}
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}
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JNIEXPORT int JNICALL Java_nsk_jvmti_GetClassModifiers_getclmdf007_getRes(JNIEnv *env, jclass cls) {
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return result;
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}
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}
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