247 lines
9.0 KiB
C++
247 lines
9.0 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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int count;
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jvmtiLocalVariableEntry *table;
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} info;
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static jvmtiEnv *jvmti;
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static jvmtiCapabilities caps;
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static jint result = PASSED;
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static jvmtiLocalVariableEntry m1[] = {
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{ 0, 21, (char*) "this", (char*) "Lnsk/jvmti/GetLocalVariableTable/localtab001;", NULL, 0 },
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{ 4, 17, (char*) "l", (char*) "J", NULL, 1 },
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{ 7, 14, (char*) "f", (char*) "F", NULL, 2 },
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{ 12, 9, (char*) "d", (char*) "D", NULL, 3 }
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};
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static jvmtiLocalVariableEntry m2[] = {
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{ 0, 32, (char*) "this", (char*) "Lnsk/jvmti/GetLocalVariableTable/localtab001;", NULL, 0 },
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{ 0, 32, (char*) "step", (char*) "I", NULL, 1 },
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{ 2, 29, (char*) "i2", (char*) "S", NULL, 2 },
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{ 4, 27, (char*) "i3", (char*) "C", NULL, 3 },
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{ 7, 24, (char*) "i4", (char*) "B", NULL, 4 },
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{ 10,21, (char*) "i5", (char*) "Z", NULL, 5 },
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{ 13,18, (char*) "i1", (char*) "I", NULL, 6 }
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};
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static jvmtiLocalVariableEntry m3[] = {
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{ 0, 70, (char*) "ob", (char*) "Lnsk/jvmti/GetLocalVariableTable/localtab001;", NULL, 0 },
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{ 2, 67, (char*) "ob1", (char*) "Lnsk/jvmti/GetLocalVariableTable/localtab001;", NULL, 1 },
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{ 56,13, (char*) "ob2", (char*) "[I", NULL, 2 },
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{ 61, 0, (char*) "i", (char*) "I", NULL, 3 },
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{ 64, 5, (char*) "e", (char*) "Ljava/lang/IndexOutOfBoundsException;", NULL, 4 }
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};
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static jvmtiLocalVariableEntry m4[] = {
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{ 0, 33, (char*) "i1", (char*) "I", NULL, 0 },
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{ 0, 33, (char*) "l", (char*) "J", NULL, 1 },
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{ 0, 33, (char*) "i2", (char*) "S", NULL, 2 },
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{ 0, 33, (char*) "d", (char*) "D", NULL, 3 },
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{ 0, 33, (char*) "i3", (char*) "C", NULL, 4 },
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{ 0, 33, (char*) "f", (char*) "F", NULL, 5 },
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{ 0, 33, (char*) "i4", (char*) "B", NULL, 6 },
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{ 0, 33, (char*) "b", (char*) "Z", NULL, 7 }
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};
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static jvmtiLocalVariableEntry m5[] = {
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{ 0, 6, (char*) "this", (char*) "Lnsk/jvmti/GetLocalVariableTable/localtab001;", NULL, 0 },
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{ 0, 6, (char*) "i", (char*) "I", NULL, 1 },
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{ 2, 4, (char*) "i12345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678", (char*) "I", NULL, 2 }
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};
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static jvmtiLocalVariableEntry m6[] = {
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{ 0, 5, (char*) "this", (char*) "Lnsk/jvmti/GetLocalVariableTable/localtab001;", NULL, 0 },
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};
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static info meth_tab[] = {
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{ 0, NULL },
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{ 4, m1 },
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{ 7, m2 },
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{ 5, m3 },
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{ 8, m4 },
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{ 3, m5 },
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{ 1, m6 }
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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 err;
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int i, j, flag, loc_err;
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jmethodID mid;
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jint count = -1;
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jvmtiLocalVariableEntry *table;
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int exp_count = meth_tab[meth_ind].count;
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jvmtiLocalVariableEntry *exp_table = meth_tab[meth_ind].table;
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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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err = jvmti->GetLocalVariableTable(mid, &count, &table);
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if (err == JVMTI_ERROR_MUST_POSSESS_CAPABILITY &&
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!caps.can_access_local_variables) {
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/* It is OK */
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return;
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} else if (err != JVMTI_ERROR_NONE) {
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printf("Name = %s, sig = %s:\n", name, sig);
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printf(" Failed get local variable table: %s (%d)\n",
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TranslateError(err), err);
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result = STATUS_FAILED;
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return;
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}
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if (count != exp_count) {
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printf("Name = %s, sig = %s: number of entries expected: %d, got: %d\n",
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name, sig, exp_count, count);
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result = STATUS_FAILED;
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}
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for (i = 0; i < exp_count; i++) { /* for each expected entry */
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flag = 0;
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loc_err = 0;
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for (j = 0; j < count; j++) { /* search returned table for the entry */
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if (strcmp(table[j].name, exp_table[i].name) == 0) {
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flag = 1;
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if (strcmp(table[j].signature, exp_table[i].signature) != 0) {
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if (!loc_err) {
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loc_err = 1;
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printf("Name = %s, sig = %s, local %s:\n",
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name, sig, table[j].name);
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}
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printf(" signature expected: \"%s\", got: \"%s\"\n",
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exp_table[i].signature, table[j].signature);
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result = STATUS_FAILED;
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}
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if (table[j].start_location != exp_table[i].start_location) {
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if (!loc_err) {
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loc_err = 1;
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printf("Name = %s, sig = %s, local %s:\n",
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name, sig, table[j].name);
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}
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printf(" start_location expected: 0x%x, got: 0x%08x%08x\n",
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(jint)exp_table[i].start_location,
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(jint)(table[j].start_location >> 32),
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(jint)table[j].start_location);
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result = STATUS_FAILED;
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}
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if (table[j].length != exp_table[i].length) {
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if (!loc_err) {
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loc_err = 1;
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printf("Name = %s, sig = %s, local %s:\n",
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name, sig, table[j].name);
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}
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printf(" length expected: %d, got: %d\n",
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exp_table[i].length, table[j].length);
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result = STATUS_FAILED;
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}
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break;
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}
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}
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if (!flag) {
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printf("Name = %s, sig = %s: no local: %s\n",
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name, sig, exp_table[i].name);
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result = STATUS_FAILED;
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}
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}
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}
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#ifdef STATIC_BUILD
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JNIEXPORT jint JNICALL Agent_OnLoad_localtab001(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_localtab001(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_localtab001(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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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_access_local_variables) {
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printf("Warning: Access to local variables 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_GetLocalVariableTable_localtab001_check(JNIEnv *env, jclass cls) {
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checkMeth(env, cls, "meth00", "()V", 1, 0);
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checkMeth(env, cls, "meth01", "()D", 0, 1);
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checkMeth(env, cls, "meth02", "(I)V", 0, 2);
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checkMeth(env, cls, "meth03", "(Lnsk/jvmti/GetLocalVariableTable/localtab001;)V", 1, 3);
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checkMeth(env, cls, "meth04", "(IJSDCFBZ)D", 1, 4);
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checkMeth(env, cls, "meth05", "(I)I", 0, 5);
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checkMeth(env, cls, "<init>", "()V", 0, 6);
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}
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JNIEXPORT jint JNICALL
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Java_nsk_jvmti_GetLocalVariableTable_localtab001_getRes(JNIEnv *env, jclass cls) {
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return result;
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}
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}
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