3/31

app/build.gradle

@@ -19,6 +19,9 @@ android {
                 cppFlags ""
             }
         }
+        ndk {
+            abiFilters "armeabi-v7a", "arm64-v8a"
+        }
     }
 
     buildTypes {

app/src/main/AndroidManifest.xml

@@ -3,6 +3,7 @@
     package="com.reyun.sdktestdemo">
 
     <application
+        android:name=".MyApplication"
         android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"

wandun/build.gradle

@@ -14,6 +14,10 @@ android {
 
        // testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         consumerProguardFiles "consumer-rules.pro"
+
+        ndk {
+            abiFilters 'armeabi-v7a', 'arm64-v8a'
+        }
     }
 
     buildTypes {

wandun/src/main/cpp/CMakeLists.txt

@@ -4,8 +4,22 @@ project(Wandun)
 
 include_directories(${CMAKE_SOURCE_DIR}/include)
 
+if(${CMAKE_ANDROID_ARCH_ABI} STREQUAL "arm64-v8a")
+    set(OS_DEPENDENDED_SRC
+            wd_syscall64.s)
+
+elseif (${CMAKE_ANDROID_ARCH_ABI} STREQUAL "armeabi-v7a")
+    set(OS_DEPENDENDED_SRC
+            wd_syscall32.s)
+endif()
+
+
 add_library(wdun
             SHARED
-            core.cpp)
+            core.cpp
+        wd_syscall.cpp
+            ${OS_DEPENDENDED_SRC}
+        )
 
 target_link_libraries(wdun log)
+enable_language(ASM)
\ No newline at end of file

wandun/src/main/cpp/core.cpp

@@ -2,3 +2,29 @@
 // Created by 12567 on 2021/3/31.
 //
 
+#include <jni.h>
+#include <syscall.h>
+#include "wdun.h"
+
+//import asm symbol
+IMPORTWDSYSCALL
+
+#define WDMAIN_CLASS_NAME "com/reyun/wandun/WdMain"
+#define WDMAIN_GETWDID_METHOD_NAME "getWdIdNative"
+#define WDMAIN_GETWDID_METHOD_SIG "()Ljava/lang/String;"
+
+jstring jni_get_wdid(JNIEnv* env, jobject thiz) {
+
+}
+
+JNIEXPORT jint JNI_OnLoad(JavaVM* vm, void* reserved) {
+    int pid = WDSYSCALL(SYS_getpid);
+    JNIEnv* env = NULL;
+    if(vm->GetEnv((void**)&env, JNI_VERSION_1_6) == JNI_TRUE) {
+        jclass cls = env->FindClass(WDMAIN_CLASS_NAME);
+        JNINativeMethod methods[] = {{WDMAIN_GETWDID_METHOD_NAME, WDMAIN_GETWDID_METHOD_SIG, (void*)jni_get_wdid}};
+        env->RegisterNatives(cls, methods, sizeof(methods)/sizeof(JNINativeMethod));
+    }
+    return JNI_VERSION_1_6;
+}
+

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

+//
+// Created by Fear1ess on 2021/3/31.
+//
+
+#ifndef REYUNSDK_WD_SYSCALL_H
+#define REYUNSDK_WD_SYSCALL_H
+
+#define WD_SYSCALL_BASE 0xcd
+#define WDNUM(x) (x + WD_SYSCALL_BASE)
+
+
+#ifdef __arm__
+#define WDSYSCALL(cmd, args...) wd_syscall32(WDNUM(cmd), ##args)
+#endif
+
+#ifdef __aarch64__
+#define WDSYSCALL(cmd, args...) wd_syscall64(WDNUM(cmd), ##args)
+#endif
+
+#define IMPORTWDSYSCALL  \
+extern "C" int wd_syscall32(int cmd, ...);\
+extern "C" int wd_syscall64(int cmd, ...);
+
+extern "C" int wd_set_errno(int n);
+
+
+#endif //REYUNSDK_WD_SYSCALL_H

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

+//
+// Created by Fear1ess on 2021/3/31.
+//
+
+#ifndef REYUNSDK_WDUN_H
+#define REYUNSDK_WDUN_H
+
+#include <android/log.h>
+#include "wd_syscall.h"
+
+
+#define logd(tag, fmt, args...) __android_log_print(ANDROID_LOG_DEBUG, tag, fmt, ##args)
+
+
+#endif //REYUNSDK_WDUN_H

wandun/src/main/cpp/wd_syscall.cpp

+//
+// Created by Fear1ess on 2021/3/31.
+//
+#include "wd_syscall.h"
+#include <errno.h>
+
+int wd_set_errno(int n) {
+    errno = n;
+    return -1;
+}
+

wandun/src/main/cpp/wd_syscall32.s

+//
+// Created by Fear1ess on 2021/3/31.
+//
+.global wd_syscall32
+.extern wd_set_errno
+
+wd_syscall32:
+     mov     ip, sp
+     stmfd   sp!, {r4, r5, r6, r7}
+     sub     r0, r0, #0xcd
+     mov     r7, r0
+     mov     r0, r1
+     mov     r1, r2
+     mov     r2, r3
+     ldmfd   ip, {r3, r4, r5, r6}
+     swi     #0
+     ldmfd   sp!, {r4, r5, r6, r7}
+     cmn     r0, #0x1000
+     bxls    lr
+     neg     r0, r0
+     b       wd_set_errno
+

wandun/src/main/cpp/wd_syscall64.s

+.global wd_syscall64
+.extern wd_set_errno
+
+wd_syscall64:
+     /* Move syscall No. from x0 to x8 */
+     sub     x0, x0, #0xcd
+     mov     x8, x0
+     /* Move syscall parameters from x1 thru x6 to x0 thru x5 */
+     mov     x0, x1
+     mov     x1, x2
+     mov     x2, x3
+     mov     x3, x4
+     mov     x4, x5
+     mov     x5, x6
+     svc     #0
+     /* check if syscall returned successfully */
+     cmn     x0, #0x1000
+     cneg    x0, x0, hi
+     b.hi    wd_set_errno
+     ret
\ No newline at end of file

wandun/src/main/java/com/reyun/wandun/Md5Utils.java → wandun/src/main/java/com/reyun/wandun/MdUtils.java

 package com.reyun.wandun;
 
-import android.os.Message;
-
 import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
 
 public class MdUtils {
-    public static String md5(String data) {
+    public static String md(String algorithm, String data) {
         try {
-            MessageDigest md = MessageDigest.getInstance("md5");
+            MessageDigest md = MessageDigest.getInstance(algorithm);
             byte[] result = md.digest(data.getBytes());
             return bytes2HexString(result);
         } catch (NoSuchAlgorithmException e) {
@@ -17,6 +15,14 @@ public class MdUtils {
         return null;
     }
 
+    public static String md5(String data) {
+        return md("md5", data);
+    }
+
+    public static String sha1(String data) {
+        return md("sha-1", data);
+    }
+
     private static byte charToByte(char c) {
         return (byte) "0123456789abcdef".indexOf(c);
     }