| /* |
| * 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 "JVMTITools.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| #ifndef JNI_ENV_ARG |
| |
| #ifdef __cplusplus |
| #define JNI_ENV_ARG(x, y) y |
| #define JNI_ENV_PTR(x) x |
| #else |
| #define JNI_ENV_ARG(x,y) x, y |
| #define JNI_ENV_PTR(x) (*x) |
| #endif |
| |
| #endif |
| |
| #define PASSED 0 |
| #define STATUS_FAILED 2 |
| |
| #define ACC_PUBLIC 0x0001 |
| #define ACC_PRIVATE 0x0002 |
| #define ACC_PROTECTED 0x0004 |
| #define ACC_STATIC 0x0008 |
| #define ACC_FINAL 0x0010 |
| #define ACC_SUPER 0x0020 |
| #define ACC_VOLATILE 0x0040 |
| #define ACC_TRANSIENT 0x0080 |
| #define ACC_NATIVE 0x0100 |
| #define ACC_INTERFACE 0x0200 |
| #define ACC_ABSTRACT 0x0400 |
| #define ACC_STRICT 0x0800 |
| |
| typedef struct { |
| char *name; |
| char *sig; |
| jboolean is_static; |
| } field_info; |
| |
| static jvmtiEnv *jvmti = NULL; |
| static jint result = PASSED; |
| static jboolean printdump = JNI_FALSE; |
| static field_info fields[] = { |
| { "field0", "I", JNI_FALSE }, |
| { "field1", "I", JNI_FALSE }, |
| { "field2", "I", JNI_FALSE }, |
| { "field3", "I", JNI_FALSE }, |
| { "field4", "I", JNI_FALSE }, |
| { "field5", "I", JNI_FALSE }, |
| { "field6", "I", JNI_FALSE }, |
| { "field7", "I", JNI_FALSE }, |
| { "field8", "I", JNI_FALSE }, |
| { "field9", "I", JNI_FALSE }, |
| { "field10", "I", JNI_FALSE }, |
| { "field11", "I", JNI_FALSE }, |
| { "field12", "I", JNI_FALSE }, |
| { "field13", "I", JNI_FALSE }, |
| { "field14", "I", JNI_FALSE }, |
| { "field15", "I", JNI_FALSE }, |
| { "field16", "I", JNI_FALSE }, |
| { "field17", "I", JNI_FALSE }, |
| { "field18", "I", JNI_FALSE }, |
| { "field19", "I", JNI_FALSE }, |
| { "field20", "I", JNI_FALSE }, |
| { "field21", "I", JNI_FALSE }, |
| { "field22", "I", JNI_FALSE }, |
| { "field23", "I", JNI_FALSE }, |
| |
| { "field24", "I", JNI_TRUE }, |
| { "field25", "I", JNI_TRUE }, |
| { "field26", "I", JNI_TRUE }, |
| { "field27", "I", JNI_TRUE }, |
| { "field28", "I", JNI_TRUE }, |
| { "field29", "I", JNI_TRUE }, |
| { "field30", "I", JNI_TRUE }, |
| { "field31", "I", JNI_TRUE }, |
| { "field32", "I", JNI_TRUE }, |
| { "field33", "I", JNI_TRUE }, |
| { "field34", "I", JNI_TRUE }, |
| { "field35", "I", JNI_TRUE }, |
| { "field36", "I", JNI_TRUE }, |
| { "field37", "I", JNI_TRUE }, |
| { "field38", "I", JNI_TRUE }, |
| { "field39", "I", JNI_TRUE }, |
| { "field40", "I", JNI_TRUE }, |
| { "field41", "I", JNI_TRUE }, |
| { "field42", "I", JNI_TRUE }, |
| { "field43", "I", JNI_TRUE }, |
| { "field44", "I", JNI_TRUE }, |
| { "field45", "I", JNI_TRUE }, |
| { "field46", "I", JNI_TRUE }, |
| { "field47", "I", JNI_TRUE } |
| }; |
| |
| #ifdef STATIC_BUILD |
| JNIEXPORT jint JNICALL Agent_OnLoad_getfldmdf004(JavaVM *jvm, char *options, void *reserved) { |
| return Agent_Initialize(jvm, options, reserved); |
| } |
| JNIEXPORT jint JNICALL Agent_OnAttach_getfldmdf004(JavaVM *jvm, char *options, void *reserved) { |
| return Agent_Initialize(jvm, options, reserved); |
| } |
| JNIEXPORT jint JNI_OnLoad_getfldmdf004(JavaVM *jvm, char *options, void *reserved) { |
| return JNI_VERSION_1_8; |
| } |
| #endif |
| jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) { |
| jint res; |
| |
| if (options != NULL && strcmp(options, "printdump") == 0) { |
| printdump = JNI_TRUE; |
| } |
| |
| res = JNI_ENV_PTR(jvm)->GetEnv(JNI_ENV_ARG(jvm, (void **) &jvmti), |
| JVMTI_VERSION_1_1); |
| if (res != JNI_OK || jvmti == NULL) { |
| printf("Wrong result of a valid call to GetEnv!\n"); |
| return JNI_ERR; |
| } |
| |
| return JNI_OK; |
| } |
| |
| void printModifiers(jint mod) { |
| if (mod & ACC_PUBLIC) printf(" PUBLIC"); |
| if (mod & ACC_PRIVATE) printf(" PRIVATE"); |
| if (mod & ACC_PROTECTED) printf(" PROTECTED"); |
| if (mod & ACC_STATIC) printf(" STATIC"); |
| if (mod & ACC_FINAL) printf(" FINAL"); |
| if (mod & ACC_SUPER) printf(" SUPER"); |
| if (mod & ACC_VOLATILE) printf(" VOLATILE"); |
| if (mod & ACC_TRANSIENT) printf(" TRANSIENT"); |
| if (mod & ACC_NATIVE) printf(" NATIVE"); |
| if (mod & ACC_INTERFACE) printf(" INTERFACE"); |
| if (mod & ACC_ABSTRACT) printf(" ABSTRACT"); |
| if (mod & ACC_STRICT) printf(" STRICT"); |
| printf(" (0x%0x)\n", mod); |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_nsk_jvmti_GetFieldModifiers_getfldmdf004_check(JNIEnv *env, |
| jclass cls, jint i, jint mod) { |
| jvmtiError err; |
| jfieldID fid; |
| jint modifiers; |
| |
| if (jvmti == NULL) { |
| printf("JVMTI client was not properly loaded!\n"); |
| result = STATUS_FAILED; |
| return; |
| } |
| |
| if (fields[i].is_static == JNI_TRUE) { |
| fid = JNI_ENV_PTR(env)->GetStaticFieldID(JNI_ENV_ARG(env, cls), |
| fields[i].name, fields[i].sig); |
| } else { |
| fid = JNI_ENV_PTR(env)->GetFieldID(JNI_ENV_ARG(env, cls), |
| fields[i].name, fields[i].sig); |
| } |
| if (fid == NULL) { |
| printf("(%d) cannot get field ID for %s:\"%s\"\n", |
| i, fields[i].name, fields[i].sig); |
| result = STATUS_FAILED; |
| return; |
| } |
| |
| err = (*jvmti)->GetFieldModifiers(jvmti, cls, fid, &modifiers); |
| if (err != JVMTI_ERROR_NONE) { |
| printf("(GetFieldModifiers#%d) unexpected error: %s (%d)\n", |
| i, TranslateError(err), err); |
| result = STATUS_FAILED; |
| return; |
| } |
| |
| if (printdump == JNI_TRUE) { |
| printf(">>> %2d:", i); |
| printModifiers(modifiers); |
| } |
| |
| if (modifiers != mod) { |
| printf("(%2d) access flags expected:", i); |
| printModifiers(mod); |
| printf("\t\t actual:"); |
| printModifiers(modifiers); |
| result = STATUS_FAILED; |
| } |
| } |
| |
| JNIEXPORT int JNICALL |
| Java_nsk_jvmti_GetFieldModifiers_getfldmdf004_getRes(JNIEnv *env, jclass cls) { |
| return result; |
| } |
| |
| #ifdef __cplusplus |
| } |
| #endif |