0N/A/*
2362N/A * Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
2362N/A * published by the Free Software Foundation. Oracle designates this
0N/A * particular file as subject to the "Classpath" exception as provided
2362N/A * by Oracle in the LICENSE file that accompanied this code.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A * or visit www.oracle.com if you need additional information or have any
2362N/A * questions.
0N/A */
0N/A
0N/A#include "jni.h"
0N/A#include "jni_util.h"
0N/A#include "jvm.h"
0N/A#include "jdk_util.h"
0N/A
0N/A#include "sun_misc_Version.h"
0N/A
0N/Achar jvm_special_version = '\0';
0N/Achar jdk_special_version = '\0';
0N/Astatic void setStaticIntField(JNIEnv* env, jclass cls, const char* name, jint value)
0N/A{
0N/A char errmsg[100];
0N/A jfieldID fid;
0N/A fid = (*env)->GetStaticFieldID(env, cls, name, "I");
0N/A if (fid != 0) {
0N/A (*env)->SetStaticIntField(env, cls, fid, value);
0N/A } else {
0N/A sprintf(errmsg, "Static int field %s not found", name);
0N/A JNU_ThrowInternalError(env, errmsg);
0N/A }
0N/A}
0N/A
0N/Astatic void setStaticBooleanField(JNIEnv* env, jclass cls, const char* name, jboolean value)
0N/A{
0N/A char errmsg[100];
0N/A jfieldID fid;
0N/A fid = (*env)->GetStaticFieldID(env, cls, name, "Z");
0N/A if (fid != 0) {
0N/A (*env)->SetStaticBooleanField(env, cls, fid, value);
0N/A } else {
0N/A sprintf(errmsg, "Static boolean field %s not found", name);
0N/A JNU_ThrowInternalError(env, errmsg);
0N/A }
0N/A}
0N/A
0N/Astatic void setStaticStringField(JNIEnv* env, jclass cls, const char* name, jstring value)
0N/A{
0N/A char errmsg[100];
0N/A jfieldID fid;
0N/A fid = (*env)->GetStaticFieldID(env, cls, name, "Ljava/lang/String");
0N/A if (fid != 0) {
0N/A (*env)->SetStaticObjectField(env, cls, fid, value);
0N/A } else {
0N/A sprintf(errmsg, "Static String field %s not found", name);
0N/A JNU_ThrowInternalError(env, errmsg);
0N/A }
0N/A}
0N/A
0N/A
0N/Atypedef void (JNICALL *GetJvmVersionInfo_fp)(JNIEnv*, jvm_version_info*, size_t);
0N/A
0N/AJNIEXPORT jboolean JNICALL
0N/AJava_sun_misc_Version_getJvmVersionInfo(JNIEnv *env, jclass cls)
0N/A{
0N/A jvm_version_info info;
0N/A GetJvmVersionInfo_fp func_p;
0N/A
0N/A if (!JDK_InitJvmHandle()) {
0N/A JNU_ThrowInternalError(env, "Handle for JVM not found for symbol lookup");
0N/A }
0N/A func_p = (GetJvmVersionInfo_fp) JDK_FindJvmEntry("JVM_GetVersionInfo");
0N/A if (func_p == NULL) {
0N/A return JNI_FALSE;
0N/A }
0N/A
0N/A (*func_p)(env, &info, sizeof(info));
0N/A setStaticIntField(env, cls, "jvm_major_version", JVM_VERSION_MAJOR(info.jvm_version));
0N/A setStaticIntField(env, cls, "jvm_minor_version", JVM_VERSION_MINOR(info.jvm_version));
0N/A setStaticIntField(env, cls, "jvm_micro_version", JVM_VERSION_MICRO(info.jvm_version));
0N/A setStaticIntField(env, cls, "jvm_build_number", JVM_VERSION_BUILD(info.jvm_version));
0N/A setStaticIntField(env, cls, "jvm_update_version", info.update_version);
0N/A jvm_special_version = info.special_update_version;
0N/A
0N/A return JNI_TRUE;
0N/A}
0N/A
0N/AJNIEXPORT jstring JNICALL
0N/AJava_sun_misc_Version_getJvmSpecialVersion(JNIEnv *env, jclass cls) {
0N/A char s[2];
0N/A jstring special;
0N/A s[0] = jvm_special_version;
0N/A s[1] = '\0';
0N/A special = (*env)->NewStringUTF(env, s);
0N/A return special;
0N/A}
0N/A
0N/AJNIEXPORT void JNICALL
0N/AJava_sun_misc_Version_getJdkVersionInfo(JNIEnv *env, jclass cls)
0N/A{
0N/A jdk_version_info info;
0N/A
0N/A JDK_GetVersionInfo0(&info, sizeof(info));
0N/A setStaticIntField(env, cls, "jdk_major_version", JDK_VERSION_MAJOR(info.jdk_version));
0N/A setStaticIntField(env, cls, "jdk_minor_version", JDK_VERSION_MINOR(info.jdk_version));
0N/A setStaticIntField(env, cls, "jdk_micro_version", JDK_VERSION_MICRO(info.jdk_version));
0N/A setStaticIntField(env, cls, "jdk_build_number", JDK_VERSION_BUILD(info.jdk_version));
0N/A setStaticIntField(env, cls, "jdk_update_version", info.update_version);
0N/A jdk_special_version = info.special_update_version;
0N/A}
0N/A
0N/AJNIEXPORT jstring JNICALL
0N/AJava_sun_misc_Version_getJdkSpecialVersion(JNIEnv *env, jclass cls) {
0N/A char s[2];
0N/A jstring special;
0N/A s[0] = jdk_special_version;
0N/A s[1] = '\0';
0N/A special = (*env)->NewStringUTF(env, s);
0N/A return special;
0N/A}