Piotr Jastrzebski | 51b1b69 | 2015-02-16 15:01:09 +0000 | [diff] [blame] | 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 "java_lang_Runtime.h" |
Piotr Jastrzebski | de626ec | 2015-05-19 12:16:00 +0100 | [diff] [blame] | 43 | #include "JNIHelp.h" |
| 44 | |
| 45 | #define NATIVE_METHOD(className, functionName, signature) \ |
| 46 | { #functionName, signature, (void*)(className ## _ ## functionName) } |
Piotr Jastrzebski | 51b1b69 | 2015-02-16 15:01:09 +0000 | [diff] [blame] | 47 | |
| 48 | JNIEXPORT jlong JNICALL |
Piotr Jastrzebski | de626ec | 2015-05-19 12:16:00 +0100 | [diff] [blame] | 49 | Runtime_freeMemory(JNIEnv *env, jobject this) |
Piotr Jastrzebski | 51b1b69 | 2015-02-16 15:01:09 +0000 | [diff] [blame] | 50 | { |
| 51 | return JVM_FreeMemory(); |
| 52 | } |
| 53 | |
| 54 | JNIEXPORT jlong JNICALL |
Piotr Jastrzebski | de626ec | 2015-05-19 12:16:00 +0100 | [diff] [blame] | 55 | Runtime_totalMemory(JNIEnv *env, jobject this) |
Piotr Jastrzebski | 51b1b69 | 2015-02-16 15:01:09 +0000 | [diff] [blame] | 56 | { |
| 57 | return JVM_TotalMemory(); |
| 58 | } |
| 59 | |
| 60 | JNIEXPORT jlong JNICALL |
Piotr Jastrzebski | de626ec | 2015-05-19 12:16:00 +0100 | [diff] [blame] | 61 | Runtime_maxMemory(JNIEnv *env, jobject this) |
Piotr Jastrzebski | 51b1b69 | 2015-02-16 15:01:09 +0000 | [diff] [blame] | 62 | { |
| 63 | return JVM_MaxMemory(); |
| 64 | } |
| 65 | |
| 66 | JNIEXPORT void JNICALL |
Piotr Jastrzebski | de626ec | 2015-05-19 12:16:00 +0100 | [diff] [blame] | 67 | Runtime_gc(JNIEnv *env, jobject this) |
Piotr Jastrzebski | 51b1b69 | 2015-02-16 15:01:09 +0000 | [diff] [blame] | 68 | { |
| 69 | JVM_GC(); |
| 70 | } |
| 71 | |
| 72 | JNIEXPORT void JNICALL |
Piotr Jastrzebski | de626ec | 2015-05-19 12:16:00 +0100 | [diff] [blame] | 73 | Runtime_nativeExit(JNIEnv *env, jclass this, jint status) |
Piotr Jastrzebski | 51b1b69 | 2015-02-16 15:01:09 +0000 | [diff] [blame] | 74 | { |
Piotr Jastrzebski | de626ec | 2015-05-19 12:16:00 +0100 | [diff] [blame] | 75 | JVM_Exit(status); |
Piotr Jastrzebski | 51b1b69 | 2015-02-16 15:01:09 +0000 | [diff] [blame] | 76 | } |
| 77 | |
Piotr Jastrzebski | de626ec | 2015-05-19 12:16:00 +0100 | [diff] [blame] | 78 | JNIEXPORT jstring JNICALL |
| 79 | Runtime_nativeLoad(JNIEnv* env, jclass ignored, jstring javaFilename, jobject javaLoader, |
Dimitry Ivanov | b1dfc87 | 2015-12-10 20:58:03 -0800 | [diff] [blame^] | 80 | jstring javaLibrarySearchPath, jstring javaLibraryPermittedPath) |
Piotr Jastrzebski | 51b1b69 | 2015-02-16 15:01:09 +0000 | [diff] [blame] | 81 | { |
Dimitry Ivanov | b1dfc87 | 2015-12-10 20:58:03 -0800 | [diff] [blame^] | 82 | return JVM_NativeLoad(env, javaFilename, javaLoader, |
| 83 | javaLibrarySearchPath, javaLibraryPermittedPath); |
Piotr Jastrzebski | 51b1b69 | 2015-02-16 15:01:09 +0000 | [diff] [blame] | 84 | } |
| 85 | |
Piotr Jastrzebski | de626ec | 2015-05-19 12:16:00 +0100 | [diff] [blame] | 86 | static JNINativeMethod gMethods[] = { |
Przemyslaw Szczepaniak | 9a35a0c | 2015-09-28 16:24:00 +0100 | [diff] [blame] | 87 | NATIVE_METHOD(Runtime, freeMemory, "!()J"), |
| 88 | NATIVE_METHOD(Runtime, totalMemory, "!()J"), |
| 89 | NATIVE_METHOD(Runtime, maxMemory, "!()J"), |
Piotr Jastrzebski | de626ec | 2015-05-19 12:16:00 +0100 | [diff] [blame] | 90 | NATIVE_METHOD(Runtime, gc, "()V"), |
| 91 | NATIVE_METHOD(Runtime, nativeExit, "(I)V"), |
Dimitry Ivanov | b1dfc87 | 2015-12-10 20:58:03 -0800 | [diff] [blame^] | 92 | NATIVE_METHOD(Runtime, nativeLoad, |
| 93 | "(Ljava/lang/String;Ljava/lang/ClassLoader;Ljava/lang/String;Ljava/lang/String;)" |
| 94 | "Ljava/lang/String;"), |
Piotr Jastrzebski | de626ec | 2015-05-19 12:16:00 +0100 | [diff] [blame] | 95 | }; |
Piotr Jastrzebski | 51b1b69 | 2015-02-16 15:01:09 +0000 | [diff] [blame] | 96 | |
Piotr Jastrzebski | de626ec | 2015-05-19 12:16:00 +0100 | [diff] [blame] | 97 | void register_java_lang_Runtime(JNIEnv* env) { |
| 98 | jniRegisterNativeMethods(env, "java/lang/Runtime", gMethods, NELEM(gMethods)); |
Piotr Jastrzebski | 51b1b69 | 2015-02-16 15:01:09 +0000 | [diff] [blame] | 99 | } |