init

wandun/src/main/cpp/CMakeLists.txt

@@ -5,22 +5,31 @@ project(Wandun)
 include_directories(${CMAKE_SOURCE_DIR}/include)
 
 if(${CMAKE_ANDROID_ARCH_ABI} STREQUAL "arm64-v8a")
-    set(ARCH_DEPENDENDED_SRC
+    set(ARCH_DEPENDED_SRC
             wd_syscall64.s)
 
 elseif (${CMAKE_ANDROID_ARCH_ABI} STREQUAL "armeabi-v7a")
-    set(ARCH_DEPENDENDED_SRC
+    set(ARCH_DEPENDED1_SRC
             wd_syscall32.s)
 endif()
 
+set(CMAKE_CXX_FLAGS_RELEASE "-fvisibility=hidden -O3 -fno-unwind-tables")
 
-add_library(wdun
-            SHARED
-            core.cpp
-            wd_syscall.cpp
-            jni_helper.cpp
-            ${ARCH_DEPENDENDED_SRC}
-        )
+add_library(
+        wdun
+        SHARED
+        core.cpp
+        wd_syscall.cpp
+        jni_helper.cpp
+        ${ARCH_DEPENDED_SRC}
+)
 
-target_link_libraries(wdun log)
+add_library(cJson SHARED IMPORTED)
+set_target_properties(
+        cJson
+        PROPERTIES IMPORTED_LOCATION
+        ${CMAKE_SOURCE_DIR}/lib/${CMAKE_ANDROID_ARCH_ABI}/libcJson.a
+)
+
+target_link_libraries(wdun cJson log)
 enable_language(ASM)
\ No newline at end of file

wandun/src/main/cpp/core.cpp

@@ -5,6 +5,7 @@
 #include <jni.h>
 #include <syscall.h>
 #include "wdun.h"
+#include "cJSON.h"
 
 //import asm symbol
 IMPORTWDSYSCALL
@@ -14,7 +15,6 @@ IMPORTWDSYSCALL
 #define WDMAIN_GETWDID_METHOD_SIG "()Ljava/lang/String;"
 
 jstring jni_get_wdid(JNIEnv* env, jobject thiz) {
-
 }
 
 JNIEXPORT jint JNI_OnLoad(JavaVM* vm, void* reserved) {
@@ -25,6 +25,10 @@ JNIEXPORT jint JNI_OnLoad(JavaVM* vm, void* reserved) {
         JNINativeMethod methods[] = {{WDMAIN_GETWDID_METHOD_NAME, WDMAIN_GETWDID_METHOD_SIG, (void*)jni_get_wdid}};
         env->RegisterNatives(cls, methods, sizeof(methods)/sizeof(JNINativeMethod));
     }
+    cJSON* json = cJSON_CreateObject();
+    cJSON_AddStringToObject(json, "name", "zhanglei");
+    char* json_str = cJSON_Print(json);
+    cJSON_free(json);
     return JNI_VERSION_1_6;
 }
 

wandun/src/main/cpp/include/wd_syscall.h

@@ -18,8 +18,8 @@
 #endif
 
 #define IMPORTWDSYSCALL  \
-extern "C" int wd_syscall32(int cmd, ...);\
-extern "C" int wd_syscall64(int cmd, ...);
+__attribute__((visibility("hidden"))) extern "C" int wd_syscall32(int cmd, ...);\
+__attribute__((visibility("hidden"))) extern "C" int wd_syscall64(int cmd, ...);
 
 extern "C" int wd_set_errno(int n);
 

wandun/src/main/cpp/jni_helper.cpp

@@ -2,7 +2,6 @@
 // Created by Fear1ess on 2021/4/1.
 //
 
-#include <__clang_cuda_device_functions.h>
 #include "jni_helper.h"
 
 void wdCheckException(JNIEnv* env) {
@@ -26,8 +25,7 @@ char wdGetMethodRetType(const char* sig) {
 jvalue wdGetStaticField(JNIEnv* env, const char* clsName, const char* fieldName, const char* fieldSig) {
     jclass cls = env->FindClass(clsName);
     jfieldID fieldId = env->GetStaticFieldID(cls, fieldName, fieldSig);
-    jvalue value;
-    memset(value, 0, sizeof(jvalue));
+    jvalue value = {0};
     switch(wdGetFieldType(fieldSig)) {
         case '[':
         case 'L':
@@ -67,8 +65,7 @@ jvalue wdGetStaticField(JNIEnv* env, const char* clsName, const char* fieldName,
 jvalue wdGetField(JNIEnv* env, jobject obj, const char* fieldName, const char* fieldSig) {
     jclass cls = env->GetObjectClass(obj);
     jfieldID fieldId = env->GetFieldID(cls, fieldName, fieldSig);
-    jvalue value;
-    memset(value, 0, sizeof(jvalue));
+    jvalue value = {0};
     switch(wdGetFieldType(fieldSig)) {
         case '[':
         case 'L':
@@ -197,8 +194,7 @@ jobject wdNewObject(JNIEnv* env, const char* clsName, const char* methodSig, ...
 jvalue wdCallStaticMethod(JNIEnv* env, const char* clsName, const char* methodName, const char* methodSig, va_list args) {
     jclass cls = env->FindClass(clsName);
     jmethodID methodId = env->GetStaticMethodID(cls, methodName, methodSig);
-    jvalue value;
-    memset(value, 0, sizeof(jvalue));
+    jvalue value = {0};
     switch(wdGetMethodRetType(methodSig)) {
         case 'V':
             env->CallStaticVoidMethodV(cls, methodId, args);
@@ -241,8 +237,7 @@ jvalue wdCallStaticMethod(JNIEnv* env, const char* clsName, const char* methodNa
 jvalue wdCallMethod(JNIEnv* env, jobject obj, const char* methodName, const char* methodSig, va_list args) {
     jclass cls = env->GetObjectClass(obj);
     jmethodID methodId = env->GetMethodID(cls, methodName, methodSig);
-    jvalue value;
-    memset(value, 0, sizeof(jvalue));
+    jvalue value = {0};
     switch(wdGetMethodRetType(methodSig)) {
         case 'V':
             env->CallVoidMethodV(obj, methodId, args);