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CMakeLists.txt
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CMakeLists.txt
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cmake_minimum_required(VERSION 3.15)
if(CMAKE_VERSION VERSION_GREATER_EQUAL "3.24.0")
cmake_policy(SET CMP0135 NEW)
endif()
SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fno-omit-frame-pointer")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-omit-frame-pointer")
set(CMAKE_LINKER_FLAGS "${CMAKE_LINKER_FLAGS} -fno-omit-frame-pointer")
#
# Project details
#
project(
"bpftime"
VERSION 0.1.0
LANGUAGES C CXX
)
#
# Set project options
#
include(cmake/CompilerWarnings.cmake)
include(cmake/StandardSettings.cmake)
if(NOT CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE "Debug")
endif()
get_filename_component(CMAKE_AR_NAME "${CMAKE_AR}" NAME)
function(bpftime_add_static_lib_component_command target)
if(APPLE)
if(CMAKE_AR_NAME STREQUAL "ar")
list(APPEND CMDS
COMMAND ${CMAKE_COMMAND} -E make_directory objs/${target}
COMMAND bash ${CMAKE_SOURCE_DIR}/cmake/extract_and_rename.sh $<TARGET_FILE:${target}> objs/${target}
)
set(BPFTIME_STATIC_LIB_AR_CMDS ${BPFTIME_STATIC_LIB_AR_CMDS} ${CMDS} PARENT_SCOPE)
else()
message(ERROR " CMAKE_AR is not `ar`. Only archiving with `ar` is supported.")
endif()
else()
list(APPEND CMDS
COMMAND ${CMAKE_COMMAND} -E make_directory objs/${target}
COMMAND bash ${CMAKE_SOURCE_DIR}/cmake/extract_and_rename.sh $<TARGET_FILE:${target}> objs/${target}
)
set(BPFTIME_STATIC_LIB_AR_CMDS ${BPFTIME_STATIC_LIB_AR_CMDS} ${CMDS} PARENT_SCOPE)
endif()
set(BPFTIME_STATIC_LIB_DEPS ${BPFTIME_STATIC_LIB_DEPS} ${target} PARENT_SCOPE)
endfunction()
function(bpftime_add_libs_component_command target_path)
get_filename_component(target_name ${target_path} NAME)
string(REGEX REPLACE "^lib" "" target_name ${target_name})
string(REGEX REPLACE "\.a$" "" target_name ${target_name})
if(APPLE)
if(CMAKE_AR_NAME STREQUAL "ar")
list(APPEND CMDS
COMMAND ${CMAKE_COMMAND} -E make_directory objs/${target_name}
COMMAND ${CMAKE_COMMAND} -E env bash ${CMAKE_SOURCE_DIR}/cmake/extract_and_rename.sh ${target_path} ${CMAKE_BINARY_DIR}/objs/${target_name}
)
set(BPFTIME_STATIC_LLVM_LIB_AR_CMDS ${BPFTIME_STATIC_LLVM_LIB_AR_CMDS} ${CMDS} PARENT_SCOPE)
else()
message(ERROR " CMAKE_AR is not `ar`. Only archiving with `ar` is supported.")
endif()
else()
list(APPEND CMDS
COMMAND ${CMAKE_COMMAND} -E make_directory objs/${target_name}
COMMAND ${CMAKE_COMMAND} -E env bash ${CMAKE_SOURCE_DIR}/cmake/extract_and_rename.sh ${target_path} ${CMAKE_BINARY_DIR}/objs/${target_name}
)
set(BPFTIME_STATIC_LLVM_LIB_AR_CMDS ${BPFTIME_STATIC_LLVM_LIB_AR_CMDS} ${CMDS} PARENT_SCOPE)
endif()
endfunction()
if(${CMAKE_BUILD_TYPE} STREQUAL "Debug")
message(STATUS "Enabling ubsan for Debug builds; Processor=${CMAKE_SYSTEM_PROCESSOR}")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS}")
if(${CMAKE_SYSTEM_PROCESSOR} MATCHES "arm((32.*)|(v6.*)|(v7.*))")
message(STATUS "Linking libatomic on arm32 machines..")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -latomic")
endif()
endif()
message(STATUS "Started CMake for ${PROJECT_NAME} v${PROJECT_VERSION}...\n")
# if option to build without libbpf is set
if(${BPFTIME_BUILD_WITH_LIBBPF})
add_definitions(-DBPFTIME_BUILD_WITH_LIBBPF=1)
endif()
if(UNIX)
add_compile_options("$<$<CONFIG:DEBUG>:-D_DEBUG>") # this will allow to use same _DEBUG macro available in both Linux as well as Windows - MSCV environment. Easy to put Debug specific code.
endif(UNIX)
set(CMAKE_C_STANDARD 99)
set(CMAKE_CXX_STANDARD 20)
#
# Setup alternative names
#
if(${PROJECT_NAME}_USE_ALT_NAMES)
string(TOLOWER ${PROJECT_NAME} PROJECT_NAME_LOWERCASE)
string(TOUPPER ${PROJECT_NAME} PROJECT_NAME_UPPERCASE)
else()
set(PROJECT_NAME_LOWERCASE ${PROJECT_NAME})
set(PROJECT_NAME_UPPERCASE ${PROJECT_NAME})
endif()
#
# Prevent building in the source directory
#
if(PROJECT_SOURCE_DIR STREQUAL PROJECT_BINARY_DIR)
message(FATAL_ERROR "In-source builds not allowed. Please make a new directory (called a build directory) and run CMake from there.\n")
endif()
if(${BPFTIME_BUILD_WITH_LIBBPF})
include(cmake/libbpf.cmake)
endif()
# install frida
include(cmake/frida.cmake)
set(CMAKE_POSITION_INDEPENDENT_CODE YES)
if(${ENABLE_EBPF_VERIFIER})
add_subdirectory(bpftime-verifier)
else()
message(STATUS "Skipping ebpf verifier")
# Catch2
add_subdirectory(third_party/Catch2)
endif()
# spdlog
add_subdirectory(third_party/spdlog)
if(NOT DEFINED SPDLOG_ACTIVE_LEVEL)
if(CMAKE_BUILD_TYPE STREQUAL "Debug")
add_compile_definitions(SPDLOG_ACTIVE_LEVEL=SPDLOG_LEVEL_TRACE)
else()
add_compile_definitions(SPDLOG_ACTIVE_LEVEL=SPDLOG_LEVEL_INFO)
endif()
endif()
set(SPDLOG_INCLUDE ${CMAKE_CURRENT_SOURCE_DIR}/third_party/spdlog/include)
# argparse
add_subdirectory(third_party/argparse)
# main library
add_subdirectory(vm)
add_subdirectory(attach)
add_subdirectory(runtime)
# add to single archive if option is enabled
if (${BPFTIME_BUILD_STATIC_LIB})
set(UBPF_BUILD_DIR ${CMAKE_CURRENT_BINARY_DIR}/vm/ubpf-vm/ubpf)
message(STATUS " Adding libraries to single static archive file")
bpftime_add_static_lib_component_command(bpftime_vm)
if(${BPFTIME_LLVM_JIT})
bpftime_add_static_lib_component_command(bpftime_llvm_jit_vm)
else()
bpftime_add_static_lib_component_command(bpftime_ubpf_vm)
bpftime_add_libs_component_command(${UBPF_BUILD_DIR}/lib/libubpf.a)
endif()
bpftime_add_libs_component_command(${FRIDA_GUM_INSTALL_DIR}/libfrida-gum.a)
bpftime_add_static_lib_component_command(bpftime_frida_uprobe_attach_impl)
if(${BPFTIME_BUILD_WITH_LIBBPF})
bpftime_add_libs_component_command(${CMAKE_CURRENT_BUILD_DIR}/libbpf/libbpf/libbpf.a)
bpftime_add_static_lib_component_command(bpftime_syscall_trace_attach_impl)
endif()
bpftime_add_static_lib_component_command(runtime)
bpftime_add_static_lib_component_command(spdlog)
add_custom_command(OUTPUT "libbpftime.a"
${BPFTIME_STATIC_LIB_AR_CMDS}
${BPFTIME_STATIC_LLVM_LIB_AR_CMDS}
COMMAND ${CMAKE_AR} -qcs libbpftime.a objs/*/*.o
COMMAND ${CMAKE_COMMAND} -E remove_directory objs
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
DEPENDS ${BPFTIME_STATIC_LIB_DEPS}
)
add_custom_target(bpftime_static_target ALL DEPENDS "libbpftime.a")
add_library(bpftime_static STATIC IMPORTED GLOBAL)
add_dependencies(bpftime_static bpftime_static_target)
set_target_properties(bpftime_static
PROPERTIES
IMPORTED_LOCATION "${CMAKE_CURRENT_BINARY_DIR}/libbpftime.a"
)
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libbpftime.a
DESTINATION ~/.bpftime
)
endif()
if (${BUILD_BPFTIME_DAEMON} AND ${BPFTIME_BUILD_WITH_LIBBPF})
add_subdirectory(daemon)
endif()
add_subdirectory(tools)
if(${BUILD_ATTACH_IMPL_EXAMPLE})
add_subdirectory(example/attach_implementation)
endif()
# benchmark that requires bpftime libraries
if(${BPFTIME_BUILD_WITH_LIBBPF})
# Currently benchmark is using libbpf
add_subdirectory(benchmark)
endif()
set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>DLL")
set(DEST_DIR "$ENV{HOME}/.bpftime")
if(${BPFTIME_BUILD_WITH_LIBBPF})
install(TARGETS bpftime-agent bpftime_text_segment_transformer bpftime-syscall-server CONFIGURATIONS Release Debug RelWithDebInfo DESTINATION ${DEST_DIR})
else()
install(TARGETS bpftime-agent bpftime-syscall-server CONFIGURATIONS Release Debug RelWithDebInfo DESTINATION ${DEST_DIR})
endif()