feat:增加自定义linker注入

module/src/main/cpp/mylinker/main.cpp

@@ -0,0 +1,49 @@
+#include "elf_loader.h"
+
+int (*yuuki_test_func) (int, int) = nullptr;
+
+int main(int argc, char* argv[]) {
+
+    if (argc < 2) {
+        printf("Usage: %s <so_file_path>\n", argv[0]);
+        return 1;
+    }
+
+    LOGI("Starting custom linker for: %s", argv[1]);
+
+    // 检查文件是否存在
+    if (access(argv[1], F_OK) != 0) {
+        LOGE("File does not exist: %s", argv[1]);
+        return 1;
+    }
+
+    if (access(argv[1], R_OK) != 0) {
+        LOGE("File is not readable: %s", argv[1]);
+        return 1;
+    }
+
+    ElfLoader loader;
+    if (loader.LoadLibrary(argv[1])) {
+        printf("Successfully loaded %s\n", argv[1]);
+
+        void* test_func = loader.GetSymbol("yuuki_test");
+        if (test_func) {
+            printf("Found yuuki_test function at %p\n", test_func);
+            yuuki_test_func = (int (*)(int, int)) test_func;
+
+            // 测试函数调用
+            printf("Testing function call: 1 + 1 = %d\n", yuuki_test_func(1, 1));
+            printf("Testing function call: 5 + 3 = %d\n", yuuki_test_func(5, 3));
+        } else {
+            printf("Failed to find yuuki_test function\n");
+        }
+
+        return 0;
+    } else {
+        printf("Failed to load %s\n", argv[1]);
+        return 1;
+    }
+}
+// logcat | grep "CustomLinker"
+// logcat | grep "TEST_SO"
+// ./data/local/tmp/elf_loader /storage/emulated/0/yuuki/test.so