1 /*
2 * Copyright (c) 2003, 2018, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 #include <stdio.h>
25 #include <string.h>
26 #include <jvmti.h>
27 #include "agent_common.h"
28
29 #include "nsk_tools.h"
30 #include "jni_tools.h"
31 #include "JVMTITools.h"
32 #include "jvmti_tools.h"
33
34 #ifdef __cplusplus
35 extern "C" {
36 #endif
37
38 /* number of tested methods in particular class */
39 #define METH_NUM 2
40
41 /* overall number of all tested methods */
42 #define TOT_NUM 5
43
44 #define STATUS_FAILED 2
45 #define PASSED 0
46
47 /* expected class signatures are below */
48 static const char *meth_sig[][METH_NUM][TOT_NUM] = {
49 {{"methname003bMeth", "instance",
50 "(Lnsk/jvmti/GetMethodName/methname003b;)Lnsk/jvmti/GetMethodName/methname003b;",
51 "<L:Ljava/lang/String;>(Lnsk/jvmti/GetMethodName/methname003b<TL;>;)Lnsk/jvmti/GetMethodName/methname003b<Ljava/lang/String;>;"},
52 {"methname003bMethSt", "static",
53 "(Lnsk/jvmti/GetMethodName/methname003b;)Lnsk/jvmti/GetMethodName/methname003b;",
54 "<T:Ljava/lang/String;>(Lnsk/jvmti/GetMethodName/methname003b<TT;>;)Lnsk/jvmti/GetMethodName/methname003b<Ljava/lang/String;>;"}},
55
56 {{"methname003cMeth", "instance",
57 "(Ljava/lang/Class;)Ljava/lang/Object;",
58 "<U:Ljava/lang/Object;>(Ljava/lang/Class<TU;>;)TU;"},
59 {"methname003cMethSt", "static",
60 "(Ljava/lang/Class;)Ljava/lang/Object;",
61 "<U:Ljava/lang/Object;>(Ljava/lang/Class<TU;>;)TU;"}},
62
63 {{"methname003eMeth", "instance",
64 "(Lnsk/jvmti/GetMethodName/methname003e;)V",
65 "NULL"},
66 {"methname003eMethSt", "static",
67 "(Lnsk/jvmti/GetMethodName/methname003e;)V",
68 "NULL"}},
69
70 {{"methname003ifMeth", "instance",
71 "()I",
72 "NULL"},
73 {"methname003ifMeth2", "instance",
74 "(Ljava/lang/Object;)I",
75 "<T:Ljava/lang/Object;>(TT;)I"}},
76
77 {{"methname003gMeth", "instance",
78 "(Ljava/lang/Byte;Ljava/lang/Double;[Ljava/lang/Class;)V",
79 "<A:Ljava/lang/Byte;B:Ljava/lang/Double;>(TA;TB;[Ljava/lang/Class<*>;)V"},
80 {"methname003gMethSt", "static",
81 "(Ljava/lang/Byte;Ljava/lang/Double;)V",
82 "<A:Ljava/lang/Byte;B:Ljava/lang/Double;>(TA;TB;)V"}}
83 };
84
85 static jvmtiEnv *jvmti = NULL;
86
checkSig(JNIEnv * jni_env,jmethodID testedMeth,int instance,int clsIdx,int methIdx)87 static int checkSig(JNIEnv *jni_env, jmethodID testedMeth,
88 int instance, int clsIdx, int methIdx) {
89 int totRes = PASSED;
90 char *name;
91 char *sign;
92 char *gen_sign;
93
94 if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB5(GetMethodName,
95 jvmti, testedMeth, &name, &sign, &gen_sign))) {
96 NSK_COMPLAIN1("TEST FAILED: unable to get class signature for \"%s\"\n\n",
97 meth_sig[clsIdx][methIdx][0]);
98 return STATUS_FAILED;
99 } else {
100 NSK_DISPLAY1("Checking signatures for \"%s\" ...\n",
101 meth_sig[clsIdx][methIdx][0]);
102
103 if (strcmp(meth_sig[clsIdx][methIdx][2], sign) != 0 ||
104 strcmp(meth_sig[clsIdx][methIdx][3], (gen_sign==NULL)?"NULL":gen_sign) != 0) {
105 NSK_COMPLAIN5("TEST FAILED: class: \"%s\" \
106 has\n\tsignature: \"%s\"\n\tgeneric signature: \"%s\"\n\n\tExpected: \"%s\"\n\t\t\"%s\"\n\n",
107 meth_sig[clsIdx][methIdx][0],
108 sign, (gen_sign==NULL)?"NULL":gen_sign,
109 meth_sig[clsIdx][methIdx][2], meth_sig[clsIdx][methIdx][3]);
110 totRes = STATUS_FAILED;
111 }
112 else
113 NSK_DISPLAY2("CHECK PASSED: signature: \"%s\",\n\tgeneric signature: \"%s\"\n",
114 sign, (gen_sign==NULL)?"NULL":gen_sign);
115
116 NSK_DISPLAY0("Deallocating name & signature arrays\n");
117 if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(Deallocate,
118 jvmti, (unsigned char*) name))) {
119 totRes = STATUS_FAILED;
120 }
121 if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(Deallocate,
122 jvmti, (unsigned char*) sign))) {
123 totRes = STATUS_FAILED;
124 }
125 if (gen_sign!=NULL)
126 if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB2(Deallocate,
127 jvmti, (unsigned char*) gen_sign))) {
128 totRes = STATUS_FAILED;
129 }
130 }
131
132 return totRes;
133 }
134
135 JNIEXPORT jint JNICALL
Java_nsk_jvmti_GetMethodName_methname003_check(JNIEnv * jni,jobject obj,jobject testedObj,jint clsIdx)136 Java_nsk_jvmti_GetMethodName_methname003_check(
137 JNIEnv *jni, jobject obj, jobject testedObj, jint clsIdx) {
138 int res = PASSED, i, instance;
139 jmethodID testedMeth = NULL;
140 jclass objCls = NSK_CPP_STUB2(GetObjectClass,
141 jni, testedObj);
142
143 for (i=0; i<METH_NUM; i++) {
144 instance = strcmp(meth_sig[clsIdx][i][1], "instance");
145
146 NSK_DISPLAY2(">>> Finding %s method: %s ...\n",
147 (instance==0)?"instance":"static",
148 meth_sig[clsIdx][i][0]);
149 if (instance==0) {
150 if (!NSK_JNI_VERIFY(jni, (testedMeth = NSK_CPP_STUB4(GetMethodID,
151 jni, objCls, meth_sig[clsIdx][i][0],
152 meth_sig[clsIdx][i][2])) != NULL)) {
153 NSK_COMPLAIN2("TEST FAILERE: unable to get method ID for \"%s\" \"%s\"\n\n",
154 meth_sig[clsIdx][i][0], meth_sig[clsIdx][i][2]);
155 res = STATUS_FAILED;
156 continue;
157 }
158 }
159 else
160 if (!NSK_JNI_VERIFY(jni, (testedMeth = NSK_CPP_STUB4(GetStaticMethodID,
161 jni, objCls, meth_sig[clsIdx][i][0],
162 meth_sig[clsIdx][i][2])) != NULL)) {
163 NSK_COMPLAIN2("TEST FAILERE: unable to get method ID for \"%s\" \"%s\"\n\n",
164 meth_sig[clsIdx][i][0], meth_sig[clsIdx][i][2]);
165 res = STATUS_FAILED;
166 continue;
167 }
168
169 NSK_DISPLAY1("\t... got methodID: 0x%p\n", (void*) testedMeth);
170
171 if (checkSig(jni, testedMeth, instance, clsIdx, i) == STATUS_FAILED)
172 res = STATUS_FAILED;
173
174 NSK_DISPLAY0("<<<\n");
175 }
176
177 return res;
178 }
179
180 #ifdef STATIC_BUILD
Agent_OnLoad_methname003(JavaVM * jvm,char * options,void * reserved)181 JNIEXPORT jint JNICALL Agent_OnLoad_methname003(JavaVM *jvm, char *options, void *reserved) {
182 return Agent_Initialize(jvm, options, reserved);
183 }
Agent_OnAttach_methname003(JavaVM * jvm,char * options,void * reserved)184 JNIEXPORT jint JNICALL Agent_OnAttach_methname003(JavaVM *jvm, char *options, void *reserved) {
185 return Agent_Initialize(jvm, options, reserved);
186 }
JNI_OnLoad_methname003(JavaVM * jvm,char * options,void * reserved)187 JNIEXPORT jint JNI_OnLoad_methname003(JavaVM *jvm, char *options, void *reserved) {
188 return JNI_VERSION_1_8;
189 }
190 #endif
Agent_Initialize(JavaVM * jvm,char * options,void * reserved)191 jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) {
192 /* init framework and parse options */
193 if (!NSK_VERIFY(nsk_jvmti_parseOptions(options)))
194 return JNI_ERR;
195
196 /* create JVMTI environment */
197 if (!NSK_VERIFY((jvmti =
198 nsk_jvmti_createJVMTIEnv(jvm, reserved)) != NULL))
199 return JNI_ERR;
200
201 return JNI_OK;
202 }
203
204 #ifdef __cplusplus
205 }
206 #endif
207