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No need to implement Method.invoke ourselves (#1831)

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残页 2022-04-10 18:10:55 +08:00 committed by GitHub
parent ec5f7847e9
commit 9e3a3ac2b2
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2 changed files with 3 additions and 7 deletions
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1
core/src/main/java/org/lsposed/lspd/nativebridge/HookBridge.java
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@ -11,7 +11,6 @@ public class HookBridge {
public static native boolean deoptimizeMethod(Executable method);
@FastNative
public static native Object invokeOriginalMethod(Executable method, Object thisObject, Object... args) throws IllegalAccessException, IllegalArgumentException, InvocationTargetException;
@FastNative

9
core/src/main/jni/src/jni/hook_bridge.cpp
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@ -38,8 +38,7 @@ std::shared_mutex hooked_lock;
// Rehashing invalidates iterators, changes ordering between elements, and changes which buckets elements appear in, but does not invalidate pointers or references to elements.
std::unordered_map<jmethodID, HookItem> hooked_methods;
jobject (*native_invoke)(JNIEnv* env, jobject javaMethod, jobject javaReceiver,
jobjectArray javaArgs);
jmethodID invoke = nullptr;
}
namespace lspd {
@ -167,7 +166,7 @@ LSP_DEF_NATIVE_METHOD(jobject, HookBridge, invokeOriginalMethod, jobject hookMet
if (hook_item && hook_item->backup) {
to_call = hook_item->backup;
}
return native_invoke(env, to_call, thiz, args);
return env->CallObjectMethod(to_call, invoke, thiz, args);
}
LSP_DEF_NATIVE_METHOD(jboolean, HookBridge, instanceOf, jobject object, jclass expected_class) {
@ -184,11 +183,9 @@ static JNINativeMethod gMethods[] = {
void RegisterHookBridge(JNIEnv *env) {
auto method = env->FindClass("java/lang/reflect/Method");
auto invoke = env->GetMethodID(
invoke = env->GetMethodID(
method, "invoke",
"(Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;");
native_invoke = reinterpret_cast<decltype(native_invoke)>(
lsplant::GetNativeFunction(env, env->ToReflectedMethod(method, invoke, false)));
env->DeleteLocalRef(method);
REGISTER_LSP_NATIVE_METHODS(HookBridge);
}