ADFA-1431 16kb page alignment

app/build.gradle.kts

@@ -153,6 +153,10 @@ android {
             excludes.add("META-INF/DEPENDENCIES")
             excludes.add("META-INF/gradle/incremental.annotation.processors")
         }
+        // Note: Native libraries (.so files) are configured to be uncompressed via the noCompress set
+        // below. All locally-built native libraries have been configured with 16 KB page alignment
+        // linker flags (-Wl,-z,max-page-size=16384). External dependencies (libandroid-tree-sitter.so,
+        // libdt_socket.so, libjdwp.so, libnpt.so) require updates from their maintainers for 16 KB alignment.
     }
     compileOptions {
         sourceCompatibility = JavaVersion.VERSION_17

llama-impl/src/main/cpp/CMakeLists.txt

@@ -45,6 +45,7 @@ add_library(${CMAKE_PROJECT_NAME} SHARED
 # Specifies libraries CMake should link to your target library. You
 # can link libraries from various origins, such as libraries defined in this
 # build script, prebuilt third-party libraries, or Android system libraries.
+target_link_options(${CMAKE_PROJECT_NAME} PRIVATE -Wl,-z,max-page-size=16384)
 target_link_libraries(${CMAKE_PROJECT_NAME}
         # List libraries link to the target library
         llama

subprojects/shizuku-manager/src/main/jni/CMakeLists.txt

@@ -10,11 +10,12 @@ if (NOT CMAKE_BUILD_TYPE STREQUAL "Debug")
     message("Builing Release...")
 
     add_compile_options(-Os -flto -fvisibility=hidden -fvisibility-inlines-hidden)
-    add_link_options(-flto -Wl,--exclude-libs,ALL -Wl,--gc-sections -Wl,--strip-all)
+    add_link_options(-flto -Wl,--exclude-libs,ALL -Wl,--gc-sections -Wl,--strip-all -Wl,-z,max-page-size=16384)
 else ()
     message("Builing Debug...")
 
     add_definitions(-DDEBUG)
+    add_link_options(-Wl,-z,max-page-size=16384)
 endif ()
 
 find_package(boringssl REQUIRED CONFIG)
@@ -23,6 +24,7 @@ find_package(cxx REQUIRED CONFIG)
 add_executable(libshizuku.so
         starter.cpp misc.cpp selinux.cpp cgroup.cpp)
 
+target_link_options(libshizuku.so PRIVATE -Wl,-z,max-page-size=16384)
 target_link_libraries(libshizuku.so log cxx::cxx)
 
 if (NOT CMAKE_BUILD_TYPE STREQUAL "Debug")
@@ -33,6 +35,7 @@ endif ()
 add_library(adb SHARED
         adb_pairing.cpp misc.cpp)
 
+target_link_options(adb PRIVATE -Wl,-z,max-page-size=16384)
 target_link_libraries(adb log boringssl::crypto_static cxx::cxx)
 
 if (NOT CMAKE_BUILD_TYPE STREQUAL "Debug")

termux/termux-emulator/build.gradle.kts

@@ -13,6 +13,7 @@ android {
         externalNativeBuild {
             ndkBuild {
                 cFlags += arrayOf("-std=c11", "-Wall", "-Wextra", "-Werror", "-Os", "-fno-stack-protector", "-Wl,--gc-sections")
+                // Note: Linker flags for 16 KB alignment are set in Android.mk via LOCAL_LDFLAGS
             }
         }
     }

termux/termux-emulator/src/main/jni/Android.mk

@@ -1,5 +1,6 @@
 LOCAL_PATH:= $(call my-dir)
 include $(CLEAR_VARS)
 LOCAL_MODULE:= libtermux
+LOCAL_LDFLAGS += -Wl,-z,max-page-size=16384
 LOCAL_SRC_FILES:= termux.c
 include $(BUILD_SHARED_LIBRARY)

termux/termux-shared/build.gradle.kts

@@ -12,6 +12,7 @@ android {
     externalNativeBuild {
         ndkBuild {
             path = file("src/main/cpp/Android.mk")
+            // Note: Linker flags for 16 KB alignment are set in Android.mk via LOCAL_LDFLAGS
         }
     }
 }

termux/termux-shared/src/main/cpp/Android.mk

@@ -1,6 +1,7 @@
 LOCAL_PATH:= $(call my-dir)
 include $(CLEAR_VARS)
 LOCAL_LDLIBS := -llog
+LOCAL_LDFLAGS += -Wl,-z,max-page-size=16384
 LOCAL_MODULE := local-socket
 LOCAL_SRC_FILES := local-socket.cpp
 include $(BUILD_SHARED_LIBRARY)