109 lines
3.6 KiB
Objective-C
109 lines
3.6 KiB
Objective-C
#include "jni.h"
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#include <dlfcn.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include "log.h"
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#include "utils.h"
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long shared_awt_surface;
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char** convert_to_char_array(JNIEnv *env, jobjectArray jstringArray) {
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int num_rows = (*env)->GetArrayLength(env, jstringArray);
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char **cArray = (char **) malloc((num_rows + 1) * sizeof(char*));
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jstring row;
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for (int i = 0; i < num_rows; i++) {
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row = (jstring) (*env)->GetObjectArrayElement(env, jstringArray, i);
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cArray[i] = (char*)(*env)->GetStringUTFChars(env, row, 0);
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}
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cArray[num_rows] = NULL;
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return cArray;
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}
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jobjectArray convert_from_char_array(JNIEnv *env, char **charArray, int num_rows) {
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jobjectArray resultArr = (*env)->NewObjectArray(env, num_rows, (*env)->FindClass(env, "java/lang/String"), NULL);
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jstring row;
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for (int i = 0; i < num_rows; i++) {
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row = (jstring) (*env)->NewStringUTF(env, charArray[i]);
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(*env)->SetObjectArrayElement(env, resultArr, i, row);
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}
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return resultArr;
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}
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void free_char_array(JNIEnv *env, jobjectArray jstringArray, const char **charArray) {
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int num_rows = (*env)->GetArrayLength(env, jstringArray);
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jstring row;
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for (int i = 0; i < num_rows; i++) {
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row = (jstring) (*env)->GetObjectArrayElement(env, jstringArray, i);
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(*env)->ReleaseStringUTFChars(env, row, charArray[i]);
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}
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}
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jstring convertStringJVM(JNIEnv* srcEnv, JNIEnv* dstEnv, jstring srcStr) {
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if (srcStr == NULL) {
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return NULL;
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}
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const char* srcStrC = (*srcEnv)->GetStringUTFChars(srcEnv, srcStr, 0);
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jstring dstStr = (*dstEnv)->NewStringUTF(dstEnv, srcStrC);
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(*srcEnv)->ReleaseStringUTFChars(srcEnv, srcStr, srcStrC);
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return dstStr;
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}
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JNIEXPORT void JNICALL Java_net_kdt_pojavlaunch_utils_JREUtils_setupBridgeSurfaceAWT(JNIEnv *env, jclass clazz, jlong surface) {
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shared_awt_surface = surface;
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}
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JNIEXPORT jlong JNICALL Java_android_view_Surface_nativeGetBridgeSurfaceAWT(JNIEnv *env, jclass clazz) {
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return (jlong) shared_awt_surface;
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}
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JNIEXPORT jint JNICALL Java_android_os_OpenJDKNativeRegister_nativeRegisterNatives(JNIEnv *env, jclass clazz, jstring registerSymbol) {
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const char *register_symbol_c = (*env)->GetStringUTFChars(env, registerSymbol, 0);
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void *symbol = dlsym(RTLD_DEFAULT, register_symbol_c);
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if (symbol == NULL) {
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printf("dlsym %s failed: %s\n", register_symbol_c, dlerror());
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return -1;
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}
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int (*registerNativesForClass)(JNIEnv*) = symbol;
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int result = registerNativesForClass(env);
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(*env)->ReleaseStringUTFChars(env, registerSymbol, register_symbol_c);
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return (jint) result;
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}
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JNIEXPORT void JNICALL Java_net_kdt_pojavlaunch_utils_JREUtils_setLdLibraryPath(JNIEnv *env, jclass clazz, jstring ldLibraryPath) {
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// jclass exception_cls = (*env)->FindClass(env, "java/lang/UnsatisfiedLinkError");
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const char* ldLibPathUtf = (*env)->GetStringUTFChars(env, ldLibraryPath, 0);
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setenv("LD_LIBRARY_PATH", ldLibPathUtf, 1);
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(*env)->ReleaseStringUTFChars(env, ldLibraryPath, ldLibPathUtf);
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}
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JNIEXPORT jboolean JNICALL Java_net_kdt_pojavlaunch_utils_JREUtils_dlopen(JNIEnv *env, jclass clazz, jstring name) {
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const char *nameUtf = (*env)->GetStringUTFChars(env, name, 0);
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void* handle = dlopen(nameUtf, RTLD_GLOBAL | RTLD_LAZY);
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if (!handle) {
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printf("dlopen %s failed: %s\n", nameUtf, dlerror());
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} else {
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printf("dlopen %s success\n", nameUtf);
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}
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(*env)->ReleaseStringUTFChars(env, name, nameUtf);
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return handle != NULL;
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}
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JNIEXPORT jint JNICALL Java_net_kdt_pojavlaunch_utils_JREUtils_chdir(JNIEnv *env, jclass clazz, jstring nameStr) {
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const char *name = (*env)->GetStringUTFChars(env, nameStr, NULL);
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int retval = chdir(name);
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(*env)->ReleaseStringUTFChars(env, nameStr, name);
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return retval;
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}
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