1/*
2 * Copyright (c) 1994, 2000, 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.  Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26/*
27 *      Link foreign methods.  This first half of this file contains the
28 *      machine independent dynamic linking routines.
29 *      See "BUILD_PLATFORM"/java/lang/linker_md.c to see
30 *      the implementation of this shared dynamic linking
31 *      interface.
32 *
33 *      NOTE - source in this file is POSIX.1 compliant, host
34 *             specific code lives in the platform specific
35 *             code tree.
36 */
37
38#include "jni.h"
39#include "jni_util.h"
40#include "jvm.h"
41
42#include <nativehelper/JNIHelp.h>
43
44#include "nativehelper/jni_macros.h"
45
46JNIEXPORT jlong JNICALL
47Runtime_freeMemory(JNIEnv *env, jobject this)
48{
49    return JVM_FreeMemory();
50}
51
52JNIEXPORT jlong JNICALL
53Runtime_totalMemory(JNIEnv *env, jobject this)
54{
55    return JVM_TotalMemory();
56}
57
58JNIEXPORT jlong JNICALL
59Runtime_maxMemory(JNIEnv *env, jobject this)
60{
61    return JVM_MaxMemory();
62}
63
64JNIEXPORT void JNICALL
65Runtime_gc(JNIEnv *env, jobject this)
66{
67    JVM_GC();
68}
69
70JNIEXPORT void JNICALL
71Runtime_nativeExit(JNIEnv *env, jclass this, jint status)
72{
73    JVM_Exit(status);
74}
75
76JNIEXPORT jstring JNICALL
77Runtime_nativeLoad(JNIEnv* env, jclass ignored, jstring javaFilename,
78                   jobject javaLoader)
79{
80    return JVM_NativeLoad(env, javaFilename, javaLoader);
81}
82
83static JNINativeMethod gMethods[] = {
84  FAST_NATIVE_METHOD(Runtime, freeMemory, "()J"),
85  FAST_NATIVE_METHOD(Runtime, totalMemory, "()J"),
86  FAST_NATIVE_METHOD(Runtime, maxMemory, "()J"),
87  NATIVE_METHOD(Runtime, gc, "()V"),
88  NATIVE_METHOD(Runtime, nativeExit, "(I)V"),
89  NATIVE_METHOD(Runtime, nativeLoad,
90                "(Ljava/lang/String;Ljava/lang/ClassLoader;)"
91                    "Ljava/lang/String;"),
92};
93
94void register_java_lang_Runtime(JNIEnv* env) {
95  jniRegisterNativeMethods(env, "java/lang/Runtime", gMethods, NELEM(gMethods));
96}
97