cmake_minimum_required(VERSION 3.10)

# ── Android NDK cross-compilation ──

set(CMAKE_SYSTEM_NAME Android)

set(CMAKE_ANDROID_NDK D:/ndkollvm/android-ndk-r25c.Ollvm/android-ndk-r25c)

set(CMAKE_TOOLCHAIN_FILE ${CMAKE_ANDROID_NDK}/build/cmake/android.toolchain.cmake)

set(CMAKE_ANDROID_ARCH_ABI arm64-v8a)

set(ANDROID_ABI arm64-v8a)

set(ANDROID_PLATFORM android-26)

set(ANDROID_NDK ${CMAKE_ANDROID_NDK})

project(newhook C ASM)

# ARM64 only guard

if(DEFINED ANDROID_ABI AND NOT ANDROID_ABI STREQUAL "arm64-v8a")

message(FATAL_ERROR "newhook only supports arm64-v8a (got ${ANDROID_ABI})")

endif()

# ── Sources ──

set(SOURCES

src/newhook.c

src/nh_hook.c

src/nh_a64.c

src/nh_trampo.c

src/nh_enter.c

src/nh_island.c

src/nh_symbol.c

src/nh_util.c

src/nh_safe.c

src/nh_switch.c

src/nh_hub.c

src/nh_hub_trampo.S

src/nh_linker.c

src/nh_task.c

)

# ── Compile flags ──

set(COMMON_FLAGS

-std=c11

-Wall -Wextra -Werror

-Wno-unused-parameter

-ffunction-sections

-fdata-sections

-fvisibility=hidden

)

set(RELEASE_FLAGS -Os)

set(DEBUG_FLAGS -O0 -g -DNH_DEBUG)

set(LINK_FLAGS

-Wl,--gc-sections

-Wl,-z,max-page-size=16384

)

# ── Static library (.a) ──

add_library(newhook_static STATIC ${SOURCES})

target_include_directories(newhook_static PUBLIC include PRIVATE src)

target_compile_options(newhook_static PRIVATE ${COMMON_FLAGS})

target_compile_options(newhook_static PRIVATE

$<$<CONFIG:Release>:${RELEASE_FLAGS}>

$<$<CONFIG:RelWithDebInfo>:${RELEASE_FLAGS}>

$<$<CONFIG:Debug>:${DEBUG_FLAGS}>

)

set_target_properties(newhook_static PROPERTIES OUTPUT_NAME newhook)

# ── Shared library (.so) ──

add_library(newhook_shared SHARED ${SOURCES})

target_include_directories(newhook_shared PUBLIC include PRIVATE src)

target_compile_options(newhook_shared PRIVATE ${COMMON_FLAGS})

target_compile_options(newhook_shared PRIVATE

$<$<CONFIG:Release>:${RELEASE_FLAGS}>

$<$<CONFIG:RelWithDebInfo>:${RELEASE_FLAGS}>

$<$<CONFIG:Debug>:${DEBUG_FLAGS}>

)

target_link_options(newhook_shared PRIVATE

${LINK_FLAGS}

-Wl,--version-script=${CMAKE_CURRENT_SOURCE_DIR}/newhook.map

-Wl,--exclude-libs,ALL

)

target_link_libraries(newhook_shared PRIVATE log dl)

set_target_properties(newhook_shared PROPERTIES OUTPUT_NAME newhook)

# ── Test executable (links static library) ──

add_executable(newhook_test test/test_newhook.c)

target_include_directories(newhook_test PRIVATE src)

target_link_libraries(newhook_test PRIVATE newhook_static log dl)

target_compile_options(newhook_test PRIVATE -std=c11 -Wall -O0 -g -fno-builtin -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0)

target_link_options(newhook_test PRIVATE -Wl,-z,max-page-size=16384)

# PIE is required for Android executables on 64-bit

set_target_properties(newhook_test PROPERTIES

POSITION_INDEPENDENT_CODE ON

LINK_FLAGS "-pie"

)