85b57de9ce
Remove JNI_ENV and JVMTI_ENV macros from jvmti/[R-U] tests Reviewed-by: cjplummer, sspitsyn
228 lines
7.4 KiB
C++
228 lines
7.4 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 <inttypes.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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jfieldID fid;
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const char *f_name;
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const char *f_sig;
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jboolean is_static;
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jint expected;
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jint count;
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} watch_info;
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static jvmtiEnv *jvmti = NULL;
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static jvmtiEventCallbacks callbacks;
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static jvmtiCapabilities caps;
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static jint result = PASSED;
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static jboolean printdump = JNI_FALSE;
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static int missesCount = 0;
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static watch_info watches[] = {
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{ NULL, "staticBoolean", "Z", JNI_TRUE, 0, 0 },
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{ NULL, "staticByte", "B", JNI_TRUE, 0, 0 },
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{ NULL, "staticShort", "S", JNI_TRUE, 0, 0 },
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{ NULL, "staticInt", "I", JNI_TRUE, 0, 0 },
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{ NULL, "staticLong", "J", JNI_TRUE, 0, 0 },
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{ NULL, "staticFloat", "F", JNI_TRUE, 0, 0 },
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{ NULL, "staticDouble", "D", JNI_TRUE, 0, 0 },
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{ NULL, "staticChar", "C", JNI_TRUE, 0, 0 },
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{ NULL, "staticObject", "Ljava/lang/Object;", JNI_TRUE, 0, 0 },
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{ NULL, "staticArrInt", "[I", JNI_TRUE, 0, 0 },
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{ NULL, "instanceBoolean", "Z", JNI_FALSE, 0, 0 },
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{ NULL, "instanceByte", "B", JNI_FALSE, 0, 0 },
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{ NULL, "instanceShort", "S", JNI_FALSE, 0, 0 },
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{ NULL, "instanceInt", "I", JNI_FALSE, 0, 0 },
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{ NULL, "instanceLong", "J", JNI_FALSE, 0, 0 },
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{ NULL, "instanceFloat", "F", JNI_FALSE, 0, 0 },
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{ NULL, "instanceDouble", "D", JNI_FALSE, 0, 0 },
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{ NULL, "instanceChar", "C", JNI_FALSE, 0, 0 },
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{ NULL, "instanceObject", "Ljava/lang/Object;", JNI_FALSE, 0, 0 },
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{ NULL, "instanceArrInt", "[I", JNI_FALSE, 0, 0 }
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};
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void JNICALL FieldModification(jvmtiEnv *jvmti_env, JNIEnv *env,
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jthread thr, jmethodID method, jlocation location, jclass field_klass, jobject obj,
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jfieldID field, char sig, jvalue new_value) {
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size_t i;
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for (i = 0; i < sizeof(watches)/sizeof(watch_info); i++) {
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if (field == watches[i].fid) {
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watches[i].count++;
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return;
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}
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}
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missesCount++;
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}
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#ifdef STATIC_BUILD
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JNIEXPORT jint JNICALL Agent_OnLoad_setfmodw006(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_setfmodw006(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_setfmodw006(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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jvmtiError err;
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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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err = jvmti->GetPotentialCapabilities(&caps);
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if (err != JVMTI_ERROR_NONE) {
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printf("(GetPotentialCapabilities) unexpected error: %s (%d)\n",
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TranslateError(err), err);
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return JNI_ERR;
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}
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err = jvmti->AddCapabilities(&caps);
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if (err != JVMTI_ERROR_NONE) {
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printf("(AddCapabilities) unexpected error: %s (%d)\n",
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TranslateError(err), err);
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return JNI_ERR;
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}
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err = jvmti->GetCapabilities(&caps);
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if (err != JVMTI_ERROR_NONE) {
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printf("(GetCapabilities) unexpected error: %s (%d)\n",
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TranslateError(err), err);
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return JNI_ERR;
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}
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if (caps.can_generate_field_modification_events) {
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callbacks.FieldModification = &FieldModification;
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err = jvmti->SetEventCallbacks(&callbacks, sizeof(callbacks));
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if (err != JVMTI_ERROR_NONE) {
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printf("(SetEventCallbacks) unexpected error: %s (%d)\n",
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TranslateError(err), err);
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return JNI_ERR;
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}
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} else {
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printf("Warning: FieldModification watch is not implemented\n");
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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_SetFieldModificationWatch_setfmodw006_getReady(JNIEnv *env,
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jclass cls, jint n) {
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jvmtiError err;
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size_t i;
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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 (!caps.can_generate_field_modification_events) {
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return;
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}
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if (printdump == JNI_TRUE) {
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printf(">>> setting field modification watches ...\n");
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}
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for (i = 0; i < sizeof(watches)/sizeof(watch_info); i++) {
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if (watches[i].is_static == JNI_TRUE) {
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watches[i].fid = env->GetStaticFieldID(
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cls, watches[i].f_name, watches[i].f_sig);
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} else {
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watches[i].fid = env->GetFieldID(
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cls, watches[i].f_name, watches[i].f_sig);
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}
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err = jvmti->SetFieldModificationWatch(cls, watches[i].fid);
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if (err == JVMTI_ERROR_NONE) {
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watches[i].expected = n;
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} else {
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printf("(SetFieldModificationWatch#%" PRIuPTR ") unexpected error: %s (%d)\n",
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i, TranslateError(err), err);
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result = STATUS_FAILED;
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}
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}
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err = jvmti->SetEventNotificationMode(JVMTI_ENABLE,
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JVMTI_EVENT_FIELD_MODIFICATION, NULL);
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if (err != JVMTI_ERROR_NONE) {
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printf("(SetEventNotificationMode) unexpected error: %s (%d)\n",
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TranslateError(err), err);
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result = STATUS_FAILED;
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}
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}
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JNIEXPORT jint JNICALL
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Java_nsk_jvmti_SetFieldModificationWatch_setfmodw006_check(JNIEnv *env,
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jclass cls, jboolean flag) {
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size_t i;
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jint expected;
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for (i = 0; i < sizeof(watches)/sizeof(watch_info); i++) {
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if (printdump == JNI_TRUE && watches[i].count > 0) {
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printf(">>> field %s modifications: %d\n",
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watches[i].f_name, watches[i].count);
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}
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expected = (flag == JNI_TRUE) ? watches[i].expected : 0;
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if (watches[i].count != expected) {
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printf("(%s) wrong number of field modification events: %d,",
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watches[i].f_name, watches[i].count);
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printf(" expected: %d\n", expected);
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result = STATUS_FAILED;
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}
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watches[i].count = 0;
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}
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if (missesCount != 0) {
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printf("%d unexpected field modification catches\n", missesCount);
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missesCount = 0;
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result = STATUS_FAILED;
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}
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return result;
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}
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}
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