Ndk build (LSPosed#753)

* Update dependencies

* Use prefab dobby

* NDK build

* Add ccache

* Fix library copy

* rm CMakeLists.txt

.gitattributes

@@ -8,3 +8,5 @@
 # Denote all files that are truly binary and should not be modified.
 *.so binary
 *.dex binary
+*.jar binary
+*.png binary

.github/workflows/core.yml

@@ -52,7 +52,7 @@ jobs:
         key: gradle-builds-core-${{ github.sha }}
         restore-keys: |
           gradle-builds
-    - name: Cache Cmake
+    - name: Cache Ccache
       uses: actions/cache@v2
       with:
         path: ~/.ccache
@@ -64,6 +64,8 @@ jobs:
         ccache -o max_size=2G
         ccache -o hash_dir=false
     - name: Build with Gradle
+      env:
+        NDK_CCACHE: ccache
       run: |
         [ $(du -s ~/.gradle/wrapper | awk '{ print $1 }') -gt 250000 ] && rm -rf ~/.gradle/wrapper/* || true
         find ~/.gradle/caches -exec touch -d "2 days ago" {} + || true

.gitmodules

@@ -4,6 +4,3 @@
 [submodule "core/src/main/cpp/external/DexBuilder"]
 	path = core/src/main/cpp/external/DexBuilder
 	url = https://github.com/LSPosed/DexBuilder.git
-[submodule "core/src/main/cpp/external/Dobby"]
-	path = core/src/main/cpp/external/Dobby
-	url = https://github.com/LSPosed/Dobby.git

app/build.gradle.kts

@@ -26,7 +26,6 @@ plugins {
     id("org.gradle.idea")
     id("com.android.application")
     id("androidx.navigation.safeargs")
-    kotlin("android")
 }
 
 // workaround for AS.
@@ -210,7 +209,7 @@ dependencies {
     implementation("androidx.fragment:fragment:1.3.4")
     implementation("androidx.navigation:navigation-fragment:$navVersion")
     implementation("androidx.navigation:navigation-ui:$navVersion")
-    implementation("androidx.recyclerview:recyclerview:1.2.0")
+    implementation("androidx.recyclerview:recyclerview:1.2.1")
     implementation("androidx.swiperefreshlayout:swiperefreshlayout:1.1.0")
     implementation("com.caverock:androidsvg-aar:1.4")
     implementation("com.github.bumptech.glide:glide:$glideVersion")

build.gradle.kts

@@ -28,7 +28,6 @@ buildscript {
         classpath("com.android.tools.build:gradle:7.0.0-beta04")
         classpath("org.eclipse.jgit:org.eclipse.jgit:5.10.0.202012080955-r")
         classpath("androidx.navigation:navigation-safe-args-gradle-plugin:2.3.5")
-        classpath(kotlin("gradle-plugin", version = "1.4.32"))
     }
 }
 

core/.gitignore

@@ -4,3 +4,4 @@
 /release
 *.iml
 /.cxx
+src/main/cpp/main/src/config.cpp

core/build.gradle.kts

@@ -17,8 +17,8 @@
  * Copyright (C) 2021 LSPosed Contributors
  */
 
-import com.android.build.api.variant.impl.ApplicationVariantImpl
 import com.android.build.api.component.analytics.AnalyticsEnabledApplicationVariant
+import com.android.build.api.variant.impl.ApplicationVariantImpl
 import com.android.build.gradle.BaseExtension
 import com.android.ide.common.signing.KeystoreHelper
 import org.apache.tools.ant.filters.FixCrLfFilter
@@ -29,7 +29,6 @@ import java.security.MessageDigest
 
 plugins {
     id("com.android.application")
-    kotlin("android")
 }
 
 val moduleName = "LSPosed"
@@ -59,6 +58,7 @@ val verName: String by rootProject.extra
 dependencies {
     implementation("dev.rikka.ndk:riru:${moduleMinRiruVersionName}")
     implementation("dev.rikka.ndk.thirdparty:cxx:1.1.0")
+    implementation("io.github.vvb2060.ndk:dobby:1.0")
     implementation("com.android.tools.build:apksig:7.0.0-beta03")
     implementation("org.apache.commons:commons-lang3:3.12.0")
     implementation("de.upb.cs.swt:axml:2.1.1")
@@ -87,29 +87,9 @@ android {
         multiDexEnabled = false
 
         externalNativeBuild {
-            cmake {
-                abiFilters("arm64-v8a", "armeabi-v7a", "x86", "x86_64")
-                val flags = arrayOf(
-                    "-ffixed-x18",
-                    "-Qunused-arguments",
-                    "-fno-rtti", "-fno-exceptions",
-                    "-fno-stack-protector",
-                    "-fomit-frame-pointer",
-                    "-Wno-builtin-macro-redefined",
-                    "-Wl,--exclude-libs,ALL",
-                    "-D__FILE__=__FILE_NAME__",
-                    "-DRIRU_MODULE",
-                    "-DRIRU_MODULE_API_VERSION=$moduleMaxRiruApiVersion",
-                    """-DMODULE_NAME=\"$riruModuleId\"""",
-                )
-                cppFlags("-std=c++20", *flags)
-                cFlags("-std=c18", *flags)
-                arguments(
-                    "-DANDROID_STL=none",
-                    "-DVERSION_CODE=$verCode",
-                    "-DVERSION_NAME=$verName",
-                )
-                targets("lspd")
+            ndkBuild {
+                arguments += "RIRU_MODULE_API_VERSION=$moduleMaxRiruApiVersion"
+                arguments += "MODULE_NAME=$riruModuleId"
             }
         }
 
@@ -123,56 +103,14 @@ android {
     }
 
     buildTypes {
-        debug {
-            externalNativeBuild {
-                cmake {
-                    arguments.addAll(
-                        arrayOf(
-                            "-DCMAKE_CXX_FLAGS_DEBUG=-Og",
-                            "-DCMAKE_C_FLAGS_DEBUG=-Og"
-                        )
-                    )
-                }
-            }
-        }
         release {
             isMinifyEnabled = true
             proguardFiles("proguard-rules.pro")
-
-            externalNativeBuild {
-                cmake {
-                    val flags = arrayOf(
-                        "-fvisibility=hidden",
-                        "-fvisibility-inlines-hidden",
-                        "-Wno-unused-value",
-                        "-ffunction-sections",
-                        "-fdata-sections",
-                        "-Wl,--gc-sections",
-                        "-Wl,--strip-all",
-                        "-fno-unwind-tables",
-                        "-fno-asynchronous-unwind-tables"
-                    )
-                    cppFlags.addAll(flags)
-                    cFlags.addAll(flags)
-                    val configFlags = arrayOf(
-                        "-Oz",
-                        "-DNDEBUG"
-                    ).joinToString(" ")
-                    arguments.addAll(
-                        arrayOf(
-                            "-DCMAKE_CXX_FLAGS_RELEASE=$configFlags",
-                            "-DCMAKE_CXX_FLAGS_RELWITHDEBINFO=$configFlags",
-                            "-DCMAKE_C_FLAGS_RELEASE=$configFlags",
-                            "-DCMAKE_C_FLAGS_RELWITHDEBINFO=$configFlags"
-                        )
-                    )
-                }
-            }
         }
     }
     externalNativeBuild {
-        cmake {
-            path("src/main/cpp/CMakeLists.txt")
+        ndkBuild {
+            path("src/main/cpp/Android.mk")
         }
     }
 
@@ -278,8 +216,7 @@ androidComponents.onVariants { v ->
                     rename(".*\\.apk", "manager.apk")
                 }
                 into("lib") {
-                    from("${buildDir}/intermediates/cmake/$variantLowered/obj")
-                    exclude("**/*.txt")
+                    from("${buildDir}/intermediates/stripped_native_libs/$variantLowered/out/lib")
                 }
                 val dexOutPath = if (variantLowered == "release")
                     "$buildDir/intermediates/dex/$variantLowered/minify${variantCapped}WithR8" else
@@ -342,3 +279,13 @@ androidComponents.onVariants { v ->
         }
     }
 }
+
+val generateVersion = task("generateVersion", Copy::class) {
+    inputs.property("VERSION_CODE", verCode)
+    inputs.property("VERSION_NAME", verName)
+    from("${projectDir}/src/main/cpp/main/template")
+    include("config.cpp")
+    expand("VERSION_CODE" to verCode, "VERSION_NAME" to verName)
+    into("${projectDir}/src/main/cpp/main/src")
+}
+tasks.getByName("preBuild").dependsOn(generateVersion)

core/src/main/cpp/Android.mk

@@ -0,0 +1,7 @@
+include src/main/cpp/external/DexBuilder/Android.mk
+include src/main/cpp/external/yahfa/Android.mk
+include src/main/cpp/main/Android.mk
+
+$(call import-module,prefab/cxx)
+$(call import-module,prefab/riru)
+$(call import-module,prefab/dobby)

core/src/main/cpp/Application.mk

@@ -0,0 +1,14 @@
+APP_CFLAGS     := -Wall -Wextra
+APP_CFLAGS     += -fno-stack-protector -fomit-frame-pointer
+APP_CFLAGS     += -Wno-builtin-macro-redefined -D__FILE__=__FILE_NAME__
+APP_CPPFLAGS   := -std=c++20
+APP_CONLYFLAGS := -std=c18
+APP_LDFLAGS    := -Wl,--exclude-libs,ALL
+APP_STL        := none
+
+ifneq ($(NDK_DEBUG),1)
+APP_CFLAGS     += -Oz -Wno-unused -Wno-unused-parameter -Werror
+APP_CFLAGS     += -fvisibility=hidden -fvisibility-inlines-hidden
+APP_CFLAGS     += -fno-unwind-tables -fno-asynchronous-unwind-tables
+APP_LDFLAGS    += -Wl,--gc-sections -Wl,--strip-all
+endif

core/src/main/cpp/external/yahfa/Android.mk

@@ -0,0 +1,10 @@
+LOCAL_PATH := $(call my-dir)
+
+include $(CLEAR_VARS)
+LOCAL_MODULE            := yahfa
+LOCAL_C_INCLUDES        := $(LOCAL_PATH)/include
+LOCAL_EXPORT_C_INCLUDES := $(LOCAL_PATH)/include
+LOCAL_SRC_FILES         := src/HookMain.cpp src/trampoline.c
+LOCAL_EXPORT_LDLIBS     := -llog
+LOCAL_STATIC_LIBRARIES  := libcxx
+include $(BUILD_STATIC_LIBRARY)

core/src/main/cpp/main/Android.mk

@@ -0,0 +1,15 @@
+LOCAL_PATH := $(call my-dir)
+define walk
+  $(wildcard $(1)) $(foreach e, $(wildcard $(1)/*), $(call walk, $(e)))
+endef
+
+include $(CLEAR_VARS)
+LOCAL_MODULE           := lspd
+LOCAL_C_INCLUDES       := $(LOCAL_PATH)/include $(LOCAL_PATH)/src
+FILE_LIST              := $(filter %.cpp, $(call walk, $(LOCAL_PATH)/src))
+LOCAL_SRC_FILES        := $(FILE_LIST:$(LOCAL_PATH)/%=%)
+LOCAL_STATIC_LIBRARIES := cxx yahfa riru dobby dex_builder
+LOCAL_CFLAGS           := -DRIRU_MODULE -DRIRU_MODULE_API_VERSION=${RIRU_MODULE_API_VERSION}
+LOCAL_CFLAGS           += -DMODULE_NAME=${MODULE_NAME}
+LOCAL_LDLIBS           := -llog
+include $(BUILD_SHARED_LIBRARY)

core/src/main/cpp/main/src/elf_util.cpp

@@ -170,7 +170,7 @@ ElfW(Addr) ElfImg::LinearLookup(std::string_view name) const {
     if (symtabs_.empty()) {
         symtabs_.reserve(symtab_count);
         if (symtab_start != nullptr && symstr_offset_for_symtab != 0) {
-            for (int i = 0; i < symtab_count; i++) {
+            for (ElfW(Off) i = 0; i < symtab_count; i++) {
                 unsigned int st_type = ELF_ST_TYPE(symtab_start[i].st_info);
                 const char *st_name = offsetOf<const char *>(header, symstr_offset_for_symtab +
                                                                      symtab_start[i].st_name);
@@ -260,4 +260,3 @@ bool ElfImg::findModuleBase() {
     base = reinterpret_cast<void *>(load_addr);
     return true;
 }
-

core/src/main/cpp/main/src/jni/resources_hook.cpp

@@ -103,7 +103,7 @@ namespace lspd {
                     env, class_clazz, "accessFlags", "I");
             jint access_flags = env->GetIntField(target_class, java_lang_Class_accessFlags);
             env->SetIntField(target_class, java_lang_Class_accessFlags, access_flags & ~kAccFinal);
-            for (auto i = 0u; i < env->GetArrayLength(constructors); ++i) {
+            for (auto i = 0; i < env->GetArrayLength(constructors); ++i) {
                 auto constructor = env->GetObjectArrayElement(constructors, i);
                 void *method = yahfa::getArtMethod(env, constructor);
                 uint32_t flags = yahfa::getAccessFlags(method);

core/src/main/cpp/main/src/main.cpp

@@ -115,11 +115,13 @@ namespace lspd {
     };
 }
 
+#define str(s) #s
+
 RIRU_EXPORT RiruVersionedModuleInfo *init(Riru *riru) {
     LOGD("using riru %d", riru->riruApiVersion);
     LOGD("module path: %s", riru->magiskModulePath);
     lspd::magiskPath = riru->magiskModulePath;
-    if (!lspd::isDebug && lspd::magiskPath.find(MODULE_NAME) == std::string::npos) {
+    if (!lspd::isDebug && lspd::magiskPath.find(str(MODULE_NAME)) == std::string::npos) {
         LOGE("who am i");
         return nullptr;
     }

manager-service/build.gradle.kts

@@ -19,7 +19,6 @@
 
 plugins {
     id("com.android.library")
-    kotlin("android")
 }
 
 val androidTargetSdkVersion: Int by rootProject.extra