124 lines
3.9 KiB
C++
124 lines
3.9 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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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef JNI_ENV_ARG
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#ifdef __cplusplus
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#define JNI_ENV_ARG(x, y) y
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#define JNI_ENV_PTR(x) x
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#else
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#define JNI_ENV_ARG(x,y) x, y
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#define JNI_ENV_PTR(x) (*x)
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#endif
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#endif
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#define PASSED 0
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#define STATUS_FAILED 2
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static jvmtiEnv *jvmti = NULL;
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static jint result = PASSED;
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void checkMeth(JNIEnv *env, jclass cl, const char *name, const char *sig, int stat, int max_loc) {
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jvmtiError err;
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jmethodID mid = NULL;
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jint ret_loc;
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if (stat) {
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mid = JNI_ENV_PTR(env)->GetStaticMethodID(JNI_ENV_ARG(env, cl), name, sig);
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} else {
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mid = JNI_ENV_PTR(env)->GetMethodID(JNI_ENV_ARG(env, cl), name, sig);
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}
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if (mid == NULL) {
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printf("Name = %s, sig = %s: mid = 0\n", name, sig);
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result = STATUS_FAILED;
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return;
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}
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err = jvmti->GetMaxLocals(mid, &ret_loc);
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if (err != JVMTI_ERROR_NONE) {
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printf("(GetMaxLocals) unexpected error: %s (%d)\n",
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TranslateError(err), err);
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result = STATUS_FAILED;
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} else if (ret_loc != max_loc) {
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printf("Name = %s, sig = %s: max locals expected: %d, got: %d\n", name, sig, max_loc, ret_loc);
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result = STATUS_FAILED;
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}
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}
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#ifdef STATIC_BUILD
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JNIEXPORT jint JNICALL Agent_OnLoad_maxloc001(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_maxloc001(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_maxloc001(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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res = JNI_ENV_PTR(jvm)->GetEnv(JNI_ENV_ARG(jvm, (void **) &jvmti),
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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 jint JNICALL
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Java_nsk_jvmti_GetMaxLocals_maxloc001_check(JNIEnv *env, jclass cls) {
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jclass clsId;
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checkMeth(env, cls, "<init>", "()V", 0, 1);
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checkMeth(env, cls, "run", "([Ljava/lang/String;Ljava/io/PrintStream;)I", 1, 2);
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checkMeth(env, cls, "meth_stat", "(ILjava/lang/String;)[F", 1, 3);
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checkMeth(env, cls, "meth_1", "(C)C", 0, 4);
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checkMeth(env, cls, "meth_2", "(FF)F", 0, 6);
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clsId = JNI_ENV_PTR(env)->FindClass(JNI_ENV_ARG(env,
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"nsk/jvmti/GetMaxLocals/maxloc001a"));
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checkMeth(env, clsId, "meth_new", "()Lnsk/jvmti/GetMaxLocals/maxloc001;", 0, 3);
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checkMeth(env, clsId, "meth_abs", "()V", 0, 0);
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clsId = JNI_ENV_PTR(env)->FindClass(JNI_ENV_ARG(env,
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"nsk/jvmti/GetMaxLocals/maxloc001$Inn"));
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checkMeth(env, clsId, "meth_inn", "(Ljava/lang/String;)V", 0, 2);
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return result;
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}
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#ifdef __cplusplus
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}
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#endif
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