144 lines
4.4 KiB
C++
144 lines
4.4 KiB
C++
/*
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* Copyright (c) 2003, 2018, 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.h"
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#include "JVMTITools.h"
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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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typedef struct {
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const char *name;
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const char *sig;
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jboolean is_static;
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} field_info;
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static jvmtiEnv *jvmti = NULL;
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static jint result = PASSED;
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static jboolean printdump = JNI_FALSE;
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static field_info fields[] = {
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{ "staticField_ii1", "I", JNI_TRUE },
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{ "staticField_ii2", "I", JNI_TRUE },
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{ "staticField_ic1", "I", JNI_TRUE },
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{ "instanceField_ic1", "I", JNI_FALSE },
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{ "staticField_ic2", "I", JNI_TRUE },
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{ "instanceField_ic2", "I", JNI_FALSE },
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{ "staticField_oi1", "I", JNI_TRUE },
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{ "staticField_oi2", "I", JNI_TRUE },
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{ "staticField_oc1", "I", JNI_TRUE },
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{ "instanceField_oc1", "I", JNI_FALSE },
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{ "staticField_oc2", "I", JNI_TRUE },
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{ "instanceField_oc2", "I", JNI_FALSE }
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};
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#ifdef STATIC_BUILD
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JNIEXPORT jint JNICALL Agent_OnLoad_getfldecl004(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_getfldecl004(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_getfldecl004(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 != NULL && 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 == NULL) {
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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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JNIEXPORT void JNICALL
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Java_nsk_jvmti_GetFieldDeclaringClass_getfldecl004_check(JNIEnv *env,
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jclass cls, jint i, jclass cls1, jclass cls2) {
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jvmtiError err;
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jfieldID fid;
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jclass declaringClass;
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char *sig, *generic;
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if (jvmti == NULL) {
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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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if (fields[i].is_static == JNI_TRUE) {
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fid = env->GetStaticFieldID(cls1, fields[i].name, fields[i].sig);
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} else {
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fid = env->GetFieldID(cls1, fields[i].name, fields[i].sig);
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}
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if (fid == NULL) {
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printf("(%d) cannot get field ID for %s:\"%s\"\n",
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i, fields[i].name, fields[i].sig);
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result = STATUS_FAILED;
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return;
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}
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err = jvmti->GetFieldDeclaringClass(cls1, fid, &declaringClass);
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if (err != JVMTI_ERROR_NONE) {
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printf("(GetFieldDeclaringClass#%d) 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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err = jvmti->GetClassSignature(declaringClass, &sig, &generic);
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if (err != JVMTI_ERROR_NONE) {
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printf("(GetClassSignature#%d) 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 -- %s: \"%s\"\n", i, fields[i].name, sig);
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}
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if (env->IsSameObject(cls2, declaringClass) != JNI_TRUE) {
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printf("(%d) unexpected declaringClass: %s\n", i, sig);
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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_GetFieldDeclaringClass_getfldecl004_getRes(JNIEnv *env, jclass cls) {
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return result;
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}
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}
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