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re-add AddOpens, i'm just not smart enough to make a better impl :/
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1.13.2/src/main/java/me/modmuss50/optifabric/mixin/NativeMemoryMixin.java
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package me.modmuss50.optifabric.mixin; | ||
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import org.spongepowered.asm.mixin.*; | ||
import org.spongepowered.asm.mixin.injection.*; | ||
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@Pseudo | ||
@Mixin(targets = "net.optifine.util.NativeMemory") | ||
public class NativeMemoryMixin { | ||
@SuppressWarnings("UnresolvedMixinReference") | ||
@ModifyArg(method = "<clinit>", at = @At(value = "INVOKE", target = "Lnet/optifine/util/NativeMemory;makeLongSupplier([[Ljava/lang/String;)Ljava/util/function/LongSupplier;", ordinal = 0)) | ||
private static String[][] addNewSharedSecretsLocation(String[][] paths) { | ||
return new String[][]{paths[0], paths[1], {"jdk.internal.access.SharedSecrets", "getJavaNioAccess", "getDirectBufferPool", "getMemoryUsed"}}; | ||
} | ||
} |
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src/main/java/me/modmuss50/optifabric/patcher/AddOpens.java
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/* | ||
* Copyright 2021 Stefan Zobel | ||
* | ||
* Licensed under the Apache License, Version 2.0 (the "License"); | ||
* you may not use this file except in compliance with the License. | ||
* You may obtain a copy of the License at | ||
* | ||
* http://www.apache.org/licenses/LICENSE-2.0 | ||
* | ||
* Unless required by applicable law or agreed to in writing, software | ||
* distributed under the License is distributed on an "AS IS" BASIS, | ||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
* See the License for the specific language governing permissions and | ||
* limitations under the License. | ||
*/ | ||
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package me.modmuss50.optifabric.patcher; | ||
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import java.lang.reflect.*; | ||
import java.util.Optional; | ||
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/** | ||
* A utility class that allows to open arbitrary packages to the calling module | ||
* at runtime, so it is a kind of dynamic device for "--add-opens" that could be | ||
* used inside libraries instead of forcing the application to be run with | ||
* command line parameters like "--add-opens java.base/java.util=ALL-UNNAMED" or | ||
* having the "Add-Opens:" entries supplied in the application Jar manifest. | ||
* Note that this still works in the Java 17 GA release, dated 2021-09-14 but it | ||
* may break at any time in the future (theoretically even for a minor | ||
* release!). | ||
*/ | ||
public final class AddOpens { | ||
// field offset of the override field (Warning: this may change at any time!) | ||
private static final long OVERRIDE_OFFSET = 12; | ||
private static final Object U = getUnsafe(); | ||
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private AddOpens() { | ||
throw new AssertionError(); | ||
} | ||
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/** | ||
* Open one or more packages in the given module to the current module. Example | ||
* usage: | ||
* | ||
* <pre>{@code | ||
* boolean success = AddOpens.open("java.base", "java.util", "java.net"); | ||
* }</pre> | ||
* | ||
* @param moduleName the module you want to open | ||
* @param packageNames packages in that module you want to be opened | ||
* @return {@code true} if the open operation has succeeded for all packages, | ||
* otherwise {@code false} | ||
*/ | ||
public static boolean open(String moduleName, String... packageNames) { | ||
// Use reflection so that this code can run on Java 8 | ||
Class<?> javaLangModule; | ||
try { | ||
javaLangModule = Class.forName("java.lang.Module"); | ||
} catch (Throwable t) { | ||
// we must be on Java 8 | ||
return true; | ||
} | ||
try { | ||
// the module we are currently running in (either named or unnamed) | ||
Object thisModule = getCurrentModule(); | ||
// find the module to open | ||
Object targetModule = findModule(moduleName); | ||
// get the method that is also used by "--add-opens" | ||
Method m = javaLangModule.getDeclaredMethod("implAddOpens", String.class, javaLangModule); | ||
// override language-level access checks | ||
setAccessible(m); | ||
// open given packages in the target module to this module | ||
for (String package_ : packageNames) { | ||
m.invoke(targetModule, package_, thisModule); | ||
} | ||
return true; | ||
} catch (Throwable ignore) { | ||
return false; | ||
} | ||
} | ||
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private static Object findModule(String moduleName) { | ||
// Use reflection so that this code can run on Java 8 | ||
try { | ||
Class<?> moduleLayerClass = Class.forName("java.lang.ModuleLayer"); | ||
Method bootMethod = moduleLayerClass.getDeclaredMethod("boot"); | ||
Object bootLayer = bootMethod.invoke(null); | ||
Method findModuleMethod = moduleLayerClass.getDeclaredMethod("findModule", String.class); | ||
Optional<?> module = (Optional<?>) findModuleMethod.invoke(bootLayer, moduleName); | ||
return module.get(); | ||
} catch (Throwable t) { | ||
return null; | ||
} | ||
} | ||
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private static Object getCurrentModule() { | ||
// use reflection so that this code can run on Java 8 | ||
try { | ||
Method m = Class.class.getDeclaredMethod("getModule"); | ||
setAccessible(m); | ||
return m.invoke(AddOpens.class); | ||
} catch (Throwable t) { | ||
return null; | ||
} | ||
} | ||
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private static void setAccessible(Method method) { | ||
if (U != null) { | ||
try { | ||
U.getClass().getMethod("putBoolean", Object.class, long.class, boolean.class).invoke(U, method, OVERRIDE_OFFSET, true); | ||
} catch (NoSuchMethodException | InvocationTargetException | IllegalAccessException e) { | ||
throw new RuntimeException(e); | ||
} | ||
} | ||
} | ||
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private static Object getUnsafe() { | ||
try { | ||
Class<?> sunMiscUnsafe = Class.forName("sun.misc.Unsafe"); | ||
Field unsafe = sunMiscUnsafe.getDeclaredField("theUnsafe"); | ||
unsafe.setAccessible(true); | ||
return unsafe.get(null); | ||
} catch (Throwable ignore) { | ||
return null; | ||
} | ||
} | ||
} |