| /* |
| * Copyright (c) 2003, 2018, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| #include <stdio.h> |
| #include <string.h> |
| #include <jvmti.h> |
| #include "agent_common.h" |
| |
| #include "nsk_tools.h" |
| #include "JVMTITools.h" |
| #include "jvmti_tools.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| #define METH_NUM 3 /* overall number of methods */ |
| |
| #define STATUS_FAILED 2 |
| #define PASSED 0 |
| |
| typedef struct { /* local variable info */ |
| char *v_name; /* a variable name */ |
| char *v_sign; /* JVM type signature */ |
| } localVar; |
| |
| /* expected local variable info are below */ |
| static localVar constr_lv[] = { /* constructor's local variables */ |
| {(char*) "this", (char*) "Lnsk/jvmti/GetLocalVariableTable/localtab004a;"}, |
| {(char*) "constr_i", (char*) "I"}, |
| {(char*) "constr_l", (char*) "J"}, |
| {(char*) "constr_d", (char*) "D"}, |
| {(char*) "constr_f", (char*) "F"}, |
| {(char*) "constr_c", (char*) "C"} |
| }; |
| |
| static localVar finMeth_lv[] = { /* finMethod()'s local variables */ |
| {(char*) "this", (char*) "Lnsk/jvmti/GetLocalVariableTable/localtab004a;"}, |
| {(char*) "fin_c", (char*) "C"}, |
| {(char*) "fin_i", (char*) "J"}, |
| {(char*) "fin_j", (char*) "I"}, |
| {(char*) "fin_k", (char*) "J"}, |
| {(char*) "fin_l", (char*) "J"}, |
| {(char*) "fin_f", (char*) "F"} |
| }; |
| |
| static localVar statMeth_lv[] = { /* statMethod()'s local variables */ |
| {(char*) "stat_x", (char*) "I"}, |
| {(char*) "stat_y", (char*) "I"}, |
| {(char*) "stat_z", (char*) "I"}, |
| {(char*) "stat_j", (char*) "D"}, |
| {(char*) "stat_i", (char*) "I"} |
| }; |
| |
| typedef struct { /* local variables of a method */ |
| int inst; /* type of a method: 0- static; 1- instance */ |
| char *m_name; /* a method name */ |
| char *m_sign; /* JVM signature of a method */ |
| int vcount; /* overall number of local variables */ |
| localVar *vars; |
| jmethodID mid; /* JNI's method ID */ |
| } methodInfo; |
| |
| /* list of tested methods */ |
| static methodInfo methInfo[] = { |
| {1, (char*) "<init>", (char*) "()V", 6, constr_lv, NULL}, |
| {1, (char*) "finMethod", (char*) "(CJIJ)V", 7, finMeth_lv, NULL}, |
| {0, (char*) "statMethod", (char*) "(III)D", 5, statMeth_lv, NULL} |
| }; |
| |
| static jvmtiEnv *jvmti = NULL; |
| static jvmtiCapabilities caps; |
| |
| static int checkAttr(JNIEnv *jni_env, jclass testedCls) { |
| int i, j, k; |
| int totRes = PASSED; |
| jint count = -1; |
| jvmtiLocalVariableEntry *lv_table; |
| |
| for (i=0; i<METH_NUM; i++) { |
| /* get the JNI method ID for a method with name m_name and |
| signature m_sign */ |
| if (methInfo[i].inst) /* an instance method */ |
| methInfo[i].mid = NSK_CPP_STUB4(GetMethodID, |
| jni_env, testedCls, |
| methInfo[i].m_name, methInfo[i].m_sign); |
| else /* a static method */ |
| methInfo[i].mid = NSK_CPP_STUB4(GetStaticMethodID, |
| jni_env, testedCls, |
| methInfo[i].m_name, methInfo[i].m_sign); |
| if (methInfo[i].mid == NULL) { |
| NSK_COMPLAIN3("TEST FAILURE: unable to get the method ID for the %s method\ |
| \"%s\", signature \"%s\"\n\n", |
| methInfo[i].inst?"instance":"static", |
| methInfo[i].m_name, methInfo[i].m_sign); |
| return STATUS_FAILED; |
| } |
| |
| /* get the LocalVariableTable attribute */ |
| if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB4(GetLocalVariableTable, |
| jvmti, methInfo[i].mid, &count, &lv_table))) { |
| NSK_COMPLAIN3("TEST FAILED: unable to get local variable table\n\tfor the %s method \"%s\", signature \"%s\"\n\n", |
| methInfo[i].inst?"instance":"static", |
| methInfo[i].m_name, methInfo[i].m_sign); |
| return STATUS_FAILED; |
| } else { |
| if (count != methInfo[i].vcount) { |
| totRes = STATUS_FAILED; |
| NSK_COMPLAIN5("TEST FAILED: %s method \"%s\", signature \"%s\":\ |
| found %d vars in the LocalVariableTable, expected %d\n\tHere are the found vars:\n", |
| methInfo[i].inst?"instance":"static", |
| methInfo[i].m_name, methInfo[i].m_sign, |
| count, methInfo[i].vcount); |
| for (j=0; j<count; j++) |
| NSK_COMPLAIN3("\t#%d) name: \"%s\", signature: \"%s\"\n", |
| j+1, lv_table[j].name, lv_table[j].signature); |
| NSK_COMPLAIN0("\n"); |
| |
| continue; |
| } |
| else |
| NSK_DISPLAY4("Checking vars in the LocalVariableTable of the %s method \"%s\",\ |
| signature \"%s\" ...\n\tfound %d local vars as expected\n", |
| methInfo[i].inst?"instance":"static", |
| methInfo[i].m_name, methInfo[i].m_sign, count); |
| |
| for (j=0; j<count; j++) { |
| for (k=0; k<count; k++) { |
| if (strcmp(lv_table[j].name, methInfo[i].vars[k].v_name) == 0) { |
| if (strcmp(lv_table[j].signature, methInfo[i].vars[k].v_sign) != 0) { |
| NSK_COMPLAIN6("TEST FAILED: %s method: \"%s\", signature: \"%s\": var \"%s\"\ |
| has signature \"%s\" in the LocalVariableTable, expected \"%s\"\n\n", |
| methInfo[i].inst?"instance":"static", |
| methInfo[i].m_name, methInfo[i].m_sign, |
| lv_table[j].name, lv_table[j].signature, |
| methInfo[i].vars[k].v_sign); |
| totRes = STATUS_FAILED; |
| break; |
| } |
| else |
| NSK_DISPLAY2("\tfound var \"%s\", signature: \"%s\" as expected\n", |
| lv_table[j].name, lv_table[j].signature); |
| } |
| } |
| } |
| |
| NSK_DISPLAY0("\n"); |
| } |
| } |
| |
| return totRes; |
| } |
| |
| JNIEXPORT jint JNICALL |
| Java_nsk_jvmti_GetLocalVariableTable_localtab004_check( |
| JNIEnv *env, jobject obj, jobject testedObj) { |
| jclass testedCls = NSK_CPP_STUB2(GetObjectClass, |
| env, testedObj); |
| |
| if (!caps.can_access_local_variables) |
| return PASSED; |
| |
| return checkAttr(env, testedCls); |
| } |
| |
| #ifdef STATIC_BUILD |
| JNIEXPORT jint JNICALL Agent_OnLoad_localtab004(JavaVM *jvm, char *options, void *reserved) { |
| return Agent_Initialize(jvm, options, reserved); |
| } |
| JNIEXPORT jint JNICALL Agent_OnAttach_localtab004(JavaVM *jvm, char *options, void *reserved) { |
| return Agent_Initialize(jvm, options, reserved); |
| } |
| JNIEXPORT jint JNI_OnLoad_localtab004(JavaVM *jvm, char *options, void *reserved) { |
| return JNI_VERSION_1_8; |
| } |
| #endif |
| jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) { |
| /* init framework and parse options */ |
| if (!NSK_VERIFY(nsk_jvmti_parseOptions(options))) |
| return JNI_ERR; |
| |
| /* create JVMTI environment */ |
| if (!NSK_VERIFY((jvmti = |
| nsk_jvmti_createJVMTIEnv(jvm, reserved)) != NULL)) |
| return JNI_ERR; |
| |
| /* add capability to access local variables */ |
| memset(&caps, 0, sizeof(jvmtiCapabilities)); |
| caps.can_access_local_variables = 1; |
| if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(AddCapabilities, |
| jvmti, &caps))) |
| return JNI_ERR; |
| |
| if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(GetCapabilities, |
| jvmti, &caps))) |
| return JNI_ERR; |
| |
| if (!caps.can_access_local_variables) |
| NSK_DISPLAY0("Warning: access to local variables is not implemented\n"); |
| |
| return JNI_OK; |
| } |
| |
| #ifdef __cplusplus |
| } |
| #endif |
