122 lines
3.7 KiB
C++
122 lines
3.7 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 "jvmti.h"
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#include "agent_common.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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jlocation start;
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jlocation end;
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} info;
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static jvmtiEnv *jvmti;
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static jint result = PASSED;
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static info meth_tab[] = {
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{ 0, 4 }, /* 0 <init> */
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{ 0, 0 }, /* 1 meth1 */
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{ 0, 5 } /* 2 meth2 */
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};
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void checkMeth(JNIEnv *env, jclass cl, const char *name, const char *sig,
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int stat, int meth_ind) {
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jvmtiError ans;
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int err = 0;
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jmethodID mid;
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jlocation start;
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jlocation end;
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jlocation exp_start = meth_tab[meth_ind].start;
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jlocation exp_end = meth_tab[meth_ind].end;
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if (stat) {
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mid = env->GetStaticMethodID(cl, name, sig);
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} else {
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mid = env->GetMethodID(cl, name, sig);
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}
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if (mid == NULL) {
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printf("Name = %s, sig = %s: mid = NULL\n", name, sig);
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result = STATUS_FAILED;
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return;
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}
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ans = jvmti->GetMethodLocation(mid, &start, &end);
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if (ans != JVMTI_ERROR_NONE) {
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printf("Name = %s, sig = %s:\n", name, sig);
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printf(" Failed get method location: err = %d\n", ans);
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result = STATUS_FAILED;
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return;
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}
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if (start != exp_start) {
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result = STATUS_FAILED;
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err = 1;
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printf("Name = %s, sig = %s:\n", name, sig);
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printf(" first location expected: 0x%x, got: 0x%08x%08x\n",
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(jint)exp_start, (jint)(start >> 32), (jint)start);
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}
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if (end != exp_end) {
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result = STATUS_FAILED;
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if (!err) {
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printf("Name = %s, sig = %s:\n", name, sig);
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}
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printf(" last location expected: 0x%x, got: 0x%08x%08x\n",
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(jint)exp_end, (jint)(end >> 32), (jint)end);
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}
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}
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#ifdef STATIC_BUILD
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JNIEXPORT jint JNICALL Agent_OnLoad_methloc001(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_methloc001(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_methloc001(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 = 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 jint JNICALL Java_nsk_jvmti_GetMethodLocation_methloc001_check(JNIEnv *env, jclass cls) {
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checkMeth(env, cls, "<init>", "()V", 0, 0);
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checkMeth(env, cls, "meth1", "()V", 0, 1);
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checkMeth(env, cls, "meth2", "(I)[F", 1, 2);
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return result;
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}
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}
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