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CMakeLists.txt
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# *-* Mode: cmake; *-*
cmake_minimum_required(VERSION 3.5)
project(rr C CXX ASM)
# "Do not add flags to export symbols from executables without the ENABLE_EXPORTS target property."
# This avoids linking executables with -rdynamic. -rdynamic has been observed
# to cause rr_exec_stub to be linked with the dynamic linker with some
# version(s) of clang (but linked to an incorrect file name, causing
# exec of rr_exec_stub to fail).
if(POLICY CMP0065)
cmake_policy(SET CMP0065 NEW)
endif()
# We should switch to using FindPython3, but that requires CMake 3.12.
# We'll switch later.
if(POLICY CMP0148)
cmake_policy(SET CMP0148 OLD)
endif()
# On single configuration generators, make Debug the default configuration
if(NOT CMAKE_CONFIGURATION_TYPES)
if(NOT CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE "Debug" CACHE STRING "Whether to build in `Debug` or `Release` mode." FORCE)
endif()
endif()
option(INSTALL_TESTSUITE "Install the testsuite")
option(force32bit "Force a 32-bit rr build, rather than both 64 and 32-bit. rr will only be able to record and replay 32-bit processes.")
option(disable32bit "On a 64-bit platform, avoid requiring a 32-bit cross-compilation toolchain by not building 32-bit components. rr will be able to record 32-bit processes but not replay them.")
option(staticlibs "Force usage of static linkage for non-standard libraries like capnproto")
option(bpf "Enable bpf acceleration")
option(asan "Build with address sanitizer enabled.")
option(intel_pt_decoding "Build with Intel PT decoding enabled.")
option(strip "Strip debug info from rr binary")
enable_testing()
set(BUILD_SHARED_LIBS ON)
set(EXECUTABLE_OUTPUT_PATH ${PROJECT_BINARY_DIR}/bin)
set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/lib/rr)
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
set(BUILD_TESTS ON CACHE BOOL "Build tests")
set(WILL_RUN_TESTS ${BUILD_TESTS} CACHE BOOL "Run tests")
# CAREFUL! "-" is an invalid character in RPM package names, while
# debian is happy with it. However, "_" is illegal in debs, while RPM
# is cool with it. Sigh.
set(rr_VERSION_MAJOR 5)
set(rr_VERSION_MINOR 8)
set(rr_VERSION_PATCH 0)
if(ANDROID)
find_package(CapnProto REQUIRED)
endif()
add_definitions(-DRR_VERSION="${rr_VERSION_MAJOR}.${rr_VERSION_MINOR}.${rr_VERSION_PATCH}")
execute_process(
COMMAND git rev-parse HEAD
WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
OUTPUT_VARIABLE GIT_REVISION
OUTPUT_STRIP_TRAILING_WHITESPACE
)
configure_file(
${CMAKE_SOURCE_DIR}/src/git_revision.h.in
${CMAKE_BINARY_DIR}/git_revision.h
)
configure_file(
${CMAKE_SOURCE_DIR}/src/extra_version_string.h.in
${CMAKE_BINARY_DIR}/extra_version_string.h
)
set(FLAGS_COMMON "-D__USE_LARGEFILE64 -pthread")
set(supports32bit true)
set(x86ish false)
set(has_syscallbuf false)
if (${CMAKE_SYSTEM_PROCESSOR} STREQUAL "aarch64")
set(has_syscallbuf true)
set(supports32bit false)
set(FLAGS_COMMON "${FLAGS_COMMON} -march=armv8.3-a -moutline-atomics")
set(PRELOAD_LIBRARY_PAGE_SIZE 65536)
set(VDSO_NAME "LINUX_2.6.39")
set(VDSO_SYMBOLS "__kernel_clock_getres; __kernel_rt_sigreturn; __kernel_gettimeofday; __kernel_clock_gettime;")
elseif(${CMAKE_SYSTEM_PROCESSOR} MATCHES i386|i686|x86|x86_64)
set(x86ish true)
set(has_syscallbuf true)
set(FLAGS_COMMON "${FLAGS_COMMON} -msse2 -D__MMX__ -D__SSE__ -D__SSE2__")
set(PRELOAD_LIBRARY_PAGE_SIZE 4096)
set(VDSO_NAME "LINUX_2.6")
set(VDSO_SYMBOLS "gettimeofday; clock_gettime; __vdso_gettimeofday; __vdso_clock_getres; __vdso_time; __vdso_clock_gettime; __vdso_getcpu;")
else()
message(FATAL_ERROR "The architecture " ${CMAKE_SYSTEM_PROCESSOR} " is not yet supported")
endif()
configure_file(src/preload/rr_page.ld.in src/preload/rr_page.ld @ONLY)
include(CheckCCompilerFlag)
CHECK_C_COMPILER_FLAG("-fmacro-prefix-map=foo=bar" SUPPORTS_MACRO_PREFIX_MAP)
if (SUPPORTS_MACRO_PREFIX_MAP)
set(FLAGS_COMMON "${FLAGS_COMMON} -fmacro-prefix-map=${CMAKE_SOURCE_DIR}/=")
endif()
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${FLAGS_COMMON} -Wstrict-prototypes -std=gnu11")
# Define __STDC_LIMIT_MACROS so |#include <stdint.h>| works as expected.
# Define __STDC_FORMAT_MACROS so |#include <inttypes.h>| works as expected.
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${FLAGS_COMMON} -D__STDC_LIMIT_MACROS -D__STDC_FORMAT_MACROS -std=c++17")
# We support three build types:
# DEBUG: suitable for debugging rr
# RELEASE: suitable for using rr in production (but keeps rr debuginfo)
# OTHER: suitable for using rr in production, but honouring distro/user opt/debug settings
# (which we assume are suitable for production use)
# Base settings for debug and release/unspecified builds.
# Use -Werror for debug builds because we assume a developer is building, not a user.
set(RR_FLAGS_DEBUG "-Wall -Wextra -DDEBUG -UNDEBUG")
set(RR_FLAGS_RELEASE "-Wall -Wextra -UDEBUG -DNDEBUG")
# The following settings are the defaults for the OTHER build type.
# Flags used to build the preload library. MUST have debuginfo enabled. SHOULD be optimized.
# LTO breaks us by moving code around.
set(PRELOAD_COMPILE_FLAGS "${RR_FLAGS_RELEASE} -fno-stack-protector -g3 -U_FORTIFY_SOURCE -fno-lto")
set(PRELOAD_LINK_FLAGS "-nostartfiles -fno-lto")
# Flags used to build Brotli. SHOULD be optimized. MUST NOT error on warnings.
set(BROTLI_COMPILE_FLAGS ${RR_FLAGS_RELEASE})
# Flags used to build tests. MUST have -DDEBUG and debuginfo enabled, MUST NOT be optimized.
set(RR_TEST_FLAGS "${RR_FLAGS_DEBUG} -g3 -O0")
# Flags used to build other files. Entirely build-type-dependent.
set(RR_FLAGS ${RR_FLAGS_RELEASE})
# Now override for build type.
string(TOLOWER ${CMAKE_BUILD_TYPE} LOWERCASE_CMAKE_BUILD_TYPE)
if(LOWERCASE_CMAKE_BUILD_TYPE STREQUAL "debug")
set(PRELOAD_COMPILE_FLAGS "${PRELOAD_COMPILE_FLAGS} -O2 -Werror")
set(BROTLI_COMPILE_FLAGS "${RR_FLAGS_RELEASE} -O2")
set(RR_TEST_FLAGS "${RR_TEST_FLAGS} -Werror")
set(RR_FLAGS "${RR_FLAGS_DEBUG} -g3 -Werror")
elseif(LOWERCASE_CMAKE_BUILD_TYPE STREQUAL "release")
# CMake itself will add optimization flags
set(RR_FLAGS "${RR_FLAGS_RELEASE} -g3 -flto")
endif()
set(LINKER_FLAGS "")
if(CMAKE_C_COMPILER_ID STREQUAL "GNU")
# Gcc generates bogus R_386_GOTOFF relocations in .debug_info which
# lld 9 rejects
set(LINKER_FLAGS "-fuse-ld=bfd")
endif()
if(CMAKE_C_COMPILER_ID STREQUAL "Clang")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-unused-command-line-argument")
endif()
if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-unused-command-line-argument")
endif()
# -fno-integrated-as tells Clang to use whatever "as" happens to be. For an
# Android build that will end up being whatever /usr/bin/as is, and whatever it
# is, it's the wrong assembler for Android, because Android only supports the
# Clang assembler.
if (CMAKE_ASM_COMPILER_ID STREQUAL "Clang" AND NOT ANDROID)
set(CMAKE_ASM_FLAGS "${CMAKE_ASM_FLAGS} -fno-integrated-as")
endif()
if(force32bit)
set(rr_32BIT true)
set(rr_64BIT false)
set(rr_MBITNESS_OPTION -m32)
else()
if(CMAKE_SIZEOF_VOID_P EQUAL 8)
if(disable32bit OR NOT supports32bit)
set(rr_32BIT false)
else()
set(rr_32BIT true)
endif()
set(rr_64BIT true)
else()
set(rr_32BIT true)
set(rr_64BIT false)
endif()
set(rr_MBITNESS_OPTION)
endif()
# Check that compiling 32-bit code on a 64-bit target works, if required.
if(CMAKE_HOST_SYSTEM_PROCESSOR STREQUAL "x86_64" AND rr_32BIT)
# try_compile won't accept LINK_FLAGS, so do this manually.
file(WRITE "${CMAKE_BINARY_DIR}/test32.c" "int main() { return 0; }")
execute_process(COMMAND ${CMAKE_C_COMPILER} -o ${CMAKE_BINARY_DIR}/test32 ${CMAKE_BINARY_DIR}/test32.c -m32
RESULT_VARIABLE COMPILER_32BIT_RESULT)
if(NOT (COMPILER_32BIT_RESULT EQUAL 0))
message(FATAL_ERROR "Your toolchain doesn't support 32-bit cross-compilation. Install the required packages or pass -Ddisable32bit=ON to cmake.")
endif()
endif()
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${rr_MBITNESS_OPTION}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${rr_MBITNESS_OPTION}")
set(CMAKE_ASM_FLAGS "${CMAKE_ASM_FLAGS} ${rr_MBITNESS_OPTION}")
# If SKIP_PKGCONFIG is set then ${PKG}_CFLAGS and ${PKG}_LDFLAGS must be
# provided as well.
if(NOT SKIP_PKGCONFIG)
find_package(PkgConfig REQUIRED)
# If we're cross-compiling a 32-bit rr build on a 64-bit host we need
# to ensure we're looking for the right libraries.
# This has been tested on Ubuntu and Fedora.
if(CMAKE_HOST_SYSTEM_PROCESSOR STREQUAL "x86_64" AND NOT rr_64BIT)
set(LIBDIR32_CANDIDATES
/usr/lib/i386-linux-gnu/pkgconfig/
/usr/lib/pkgconfig/
)
foreach(libdir ${LIBDIR32_CANDIDATES})
if(IS_DIRECTORY ${libdir})
set(ENV{PKG_CONFIG_LIBDIR} ${libdir})
break()
endif()
endforeach(libdir)
if(NOT DEFINED ENV{PKG_CONFIG_LIBDIR})
message(FATAL_ERROR "Couldn't find a suitable 32-bit pkgconfig lib dir. You probably need to install a 32-bit pkgconfig package (pkgconfig.i686 for Fedora or pkg-config:i386 for Ubuntu")
endif()
endif()
endif()
find_program(CAPNP capnp)
if(${CAPNP} STREQUAL "CAPNP-NOTFOUND")
message(FATAL_ERROR "Can't find 'capnp' command; install Capnproto packages? https://github.com/rr-debugger/rr/wiki/Building-And-Installing#tldr")
endif()
set(REQUIRED_LIBS
capnp
# zlib is required to handle ELF compression
zlib
)
if(NOT ANDROID)
set(REQUIRED_LIBS
${REQUIRED_LIBS}
# zstd is required to handle ELF compression, but isn't available on Android.
libzstd
)
set(ZSTD 1)
add_definitions(-DZSTD=1)
endif()
if(bpf)
add_definitions(-DBPF=1)
set(REQUIRED_LIBS
${REQUIRED_LIBS}
libbpf
)
endif(bpf)
foreach(required_lib ${REQUIRED_LIBS})
string(TOUPPER ${required_lib} PKG)
if(NOT SKIP_PKGCONFIG)
pkg_check_modules(${PKG} REQUIRED ${required_lib})
endif()
if(staticlibs)
string(REPLACE ";" " " ${PKG}_STATIC_CFLAGS "${${PKG}_STATIC_CFLAGS}")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${${PKG}_STATIC_CFLAGS}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${${PKG}_STATIC_CFLAGS}")
else()
string(REPLACE ";" " " ${PKG}_CFLAGS "${${PKG}_CFLAGS}")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${${PKG}_CFLAGS}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${${PKG}_CFLAGS}")
endif()
endforeach(required_lib)
# ==== brotli ====
set(BROTLI_FILES
third-party/brotli/common/constants.c
third-party/brotli/common/context.c
third-party/brotli/common/dictionary.c
third-party/brotli/common/platform.c
third-party/brotli/common/shared_dictionary_internal.h
third-party/brotli/common/shared_dictionary.c
third-party/brotli/common/transform.c
third-party/brotli/dec/bit_reader.c
third-party/brotli/dec/decode.c
third-party/brotli/dec/huffman.c
third-party/brotli/dec/state.c
third-party/brotli/enc/backward_references.c
third-party/brotli/enc/backward_references.h
third-party/brotli/enc/backward_references_hq.c
third-party/brotli/enc/backward_references_hq.h
third-party/brotli/enc/backward_references_inc.h
third-party/brotli/enc/bit_cost.c
third-party/brotli/enc/bit_cost.h
third-party/brotli/enc/bit_cost_inc.h
third-party/brotli/enc/block_encoder_inc.h
third-party/brotli/enc/block_splitter.c
third-party/brotli/enc/block_splitter.h
third-party/brotli/enc/block_splitter_inc.h
third-party/brotli/enc/brotli_bit_stream.c
third-party/brotli/enc/brotli_bit_stream.h
third-party/brotli/enc/command.c
third-party/brotli/enc/cluster.c
third-party/brotli/enc/cluster.h
third-party/brotli/enc/cluster_inc.h
third-party/brotli/enc/command.h
third-party/brotli/enc/compress_fragment.c
third-party/brotli/enc/compress_fragment.h
third-party/brotli/enc/compound_dictionary.c
third-party/brotli/enc/compound_dictionary.h
third-party/brotli/enc/compress_fragment_two_pass.c
third-party/brotli/enc/compress_fragment_two_pass.h
third-party/brotli/enc/dictionary_hash.c
third-party/brotli/enc/dictionary_hash.h
third-party/brotli/enc/encode.c
third-party/brotli/enc/encoder_dict.c
third-party/brotli/enc/entropy_encode.c
third-party/brotli/enc/entropy_encode.h
third-party/brotli/enc/entropy_encode_static.h
third-party/brotli/enc/fast_log.c
third-party/brotli/enc/fast_log.h
third-party/brotli/enc/find_match_length.h
third-party/brotli/enc/hash_forgetful_chain_inc.h
third-party/brotli/enc/hash.h
third-party/brotli/enc/hash_longest_match64_inc.h
third-party/brotli/enc/hash_longest_match_inc.h
third-party/brotli/enc/hash_longest_match_quickly_inc.h
third-party/brotli/enc/hash_to_binary_tree_inc.h
third-party/brotli/enc/histogram.c
third-party/brotli/enc/histogram.h
third-party/brotli/enc/histogram_inc.h
third-party/brotli/enc/literal_cost.c
third-party/brotli/enc/literal_cost.h
third-party/brotli/enc/memory.c
third-party/brotli/enc/memory.h
third-party/brotli/enc/metablock.c
third-party/brotli/enc/metablock.h
third-party/brotli/enc/metablock_inc.h
third-party/brotli/enc/prefix.h
third-party/brotli/enc/quality.h
third-party/brotli/enc/ringbuffer.h
third-party/brotli/enc/state.h
third-party/brotli/enc/static_dict.c
third-party/brotli/enc/static_dict.h
third-party/brotli/enc/static_dict_lut.h
third-party/brotli/enc/utf8_util.c
third-party/brotli/enc/utf8_util.h
third-party/brotli/enc/write_bits.h
third-party/brotli/include/brotli/decode.h
third-party/brotli/include/brotli/encode.h
third-party/brotli/include/brotli/port.h
third-party/brotli/include/brotli/shared_dictionary.h
)
add_library(brotli STATIC ${BROTLI_FILES})
set_source_files_properties(${BROTLI_FILES}
PROPERTIES COMPILE_FLAGS ${BROTLI_COMPILE_FLAGS})
# ==== brotli ====
find_library(LIBRT rt)
set_property(GLOBAL PROPERTY FIND_LIBRARY_USE_LIB64_PATHS OFF)
set_property(GLOBAL PROPERTY FIND_LIBRARY_USE_LIB32_PATHS ON)
find_library(LIBRT_32 rt PATHS "/usr/lib32" "/usr/lib" NO_DEFAULT_PATH)
set_property(GLOBAL PROPERTY FIND_LIBRARY_USE_LIB64_PATHS ON)
set_property(GLOBAL PROPERTY FIND_LIBRARY_USE_LIB32_PATHS OFF)
find_path(SECCOMP NAMES "linux/seccomp.h")
if(NOT SECCOMP)
message(FATAL_ERROR "Couldn't find linux/seccomp.h. You may need to upgrade your kernel.")
endif()
find_path(PROC_SERVICE_H NAMES "proc_service.h")
if(PROC_SERVICE_H)
add_definitions(-DPROC_SERVICE_H=1)
else()
message(AUTHOR_WARNING "proc_service.h not present. Support for libthread_db.so is disabled.")
endif()
# Test only includes
find_path(MQUEUE_H NAMES "mqueue.h")
if(MQUEUE_H)
add_definitions(-DMQUEUE_H=1)
endif()
find_path(FANOTIFY_H NAMES "sys/fanotify.h")
if(FANOTIFY_H)
add_definitions(-DFANOTIFY_H=1)
endif()
include(CheckSymbolExists)
list(APPEND CMAKE_REQUIRED_DEFINITIONS -D_GNU_SOURCE)
check_symbol_exists(LAV_CURRENT "link.h" RTLD_AUDIT)
if(NOT RTLD_AUDIT)
message(AUTHOR_WARNING "Couldn't find rtld-audit support. librraudit skipped.")
endif()
list(REMOVE_ITEM CMAKE_REQUIRED_DEFINITIONS -D_GNU_SOURCE)
check_symbol_exists(backtrace "execinfo.h" EXECINFO_BACKTRACE)
if(EXECINFO_BACKTRACE)
add_definitions(-DEXECINFO_BACKTRACE)
else()
message(AUTHOR_WARNING "backtrace(3) not present in execinfo.h. Automatic backtraces for failures in rr are disabled.")
endif()
# Test only symbols
check_symbol_exists(pthread_mutexattr_setrobust "pthread.h" HAVE_ROBUST_MUTEX)
set(Python_ADDITIONAL_VERSIONS 3 3.8 3.7 3.6 3.5 3.4 3.3 3.2 3.1 3.0)
find_package(PythonInterp 3 REQUIRED)
execute_process(COMMAND "${PYTHON_EXECUTABLE}" "-c" "# nothing"
RESULT_VARIABLE python_status)
if(python_status)
message(FATAL_ERROR "Couldn't run python interpreter ${PYTHON_EXECUTABLE}.")
endif()
# Check for required Python modules
if(WILL_RUN_TESTS)
if(NOT BUILD_TESTS)
message(FATAL_ERROR "Running tests requires building them")
endif()
set(REQUIRED_PYTHON_MODULES
pexpect
)
else()
set(REQUIRED_PYTHON_MODULES)
endif()
foreach(py_module ${REQUIRED_PYTHON_MODULES})
execute_process(COMMAND "${PYTHON_EXECUTABLE}" "-c"
"import ${py_module}"
RESULT_VARIABLE module_status)
if(module_status)
message(FATAL_ERROR "Couldn't find required Python module ${py_module}.")
endif()
endforeach(py_module)
if(WILL_RUN_TESTS)
# Check for gdb and lldb
execute_process(COMMAND "gdb" "--version" RESULT_VARIABLE module_status OUTPUT_QUIET)
if(module_status)
message(FATAL_ERROR "Couldn't find gdb.")
endif()
execute_process(COMMAND "lldb" "--version" RESULT_VARIABLE module_status OUTPUT_QUIET)
if(module_status)
message(FATAL_ERROR "Couldn't find lldb.")
endif()
endif()
include_directories("${PROJECT_SOURCE_DIR}/include")
include_directories("${PROJECT_SOURCE_DIR}/third-party/proc-service")
include_directories("${PROJECT_SOURCE_DIR}/third-party/brotli/include")
# We need to know where our generated files are.
include_directories("${CMAKE_CURRENT_BINARY_DIR}")
set(RR_PAGE_FILES
rr_page.S
)
set(RR_PAGE_SOURCE_FILES
${RR_PAGE_FILES}
rr_page_instructions.S
rr_vdso.S
)
add_library(rrpage)
foreach(file ${RR_PAGE_FILES})
target_sources(rrpage PUBLIC "${CMAKE_SOURCE_DIR}/src/preload/${file}")
set_source_files_properties("${CMAKE_SOURCE_DIR}/src/preload/${file}"
PROPERTIES COMPILE_FLAGS ${PRELOAD_COMPILE_FLAGS})
endforeach(file)
# Since librrpage replaces the kernel vDSO for processes exec'd by rr,
# we want it to have the same SONAME as the real vDSO to trick things
# like AddressSanitizer into recognising it as the vDSO.
set_target_properties(rrpage PROPERTIES NO_SONAME ON)
set_target_properties(rrpage PROPERTIES LINK_FLAGS "-Wl,-T -Wl,${CMAKE_BINARY_DIR}/src/preload/rr_page.ld -Wl,--hash-style=both -nostdlib ${PRELOAD_LINK_FLAGS} -Wl,-z,max-page-size=${PRELOAD_LIBRARY_PAGE_SIZE} -Wl,-soname,linux-vdso.so.1 ${LINKER_FLAGS}")
set_target_properties(rrpage PROPERTIES LINK_DEPENDS ${CMAKE_BINARY_DIR}/src/preload/rr_page.ld)
# CMake seems to have trouble generating the link line without this
set_target_properties(rrpage PROPERTIES LINKER_LANGUAGE C)
add_custom_command(TARGET rrpage POST_BUILD
COMMAND ${CMAKE_SOURCE_DIR}/src/preload/tweak_librrpage.py $<TARGET_FILE:rrpage> ${PRELOAD_LIBRARY_PAGE_SIZE})
# Order matters here! syscall_hook.S must be immediately before syscallbuf.c,
# raw_syscall.S must be before overrides.c, which must be last.
if(has_syscallbuf)
set(PRELOAD_FILES
syscall_hook.S
syscallbuf.c
raw_syscall.S
overrides.c
)
else()
set(PRELOAD_FILES
overrides.c
)
endif()
set(PRELOAD_SOURCE_FILES
${PRELOAD_FILES}
preload_interface.h
rrcalls.h
syscallbuf.h
)
add_library(rrpreload)
foreach(file ${PRELOAD_FILES})
target_sources(rrpreload PUBLIC "${CMAKE_SOURCE_DIR}/src/preload/${file}")
set_source_files_properties("${CMAKE_SOURCE_DIR}/src/preload/${file}"
PROPERTIES COMPILE_FLAGS ${PRELOAD_COMPILE_FLAGS})
endforeach(file)
set_target_properties(rrpreload PROPERTIES LINK_FLAGS "${PRELOAD_LINK_FLAGS} ${LINKER_FLAGS}")
set_target_properties(rrpreload PROPERTIES INSTALL_RPATH "\$ORIGIN")
if(RTLD_AUDIT)
set(AUDIT_FILES
rtld-audit.c
stap-note-iter.c
../preload/raw_syscall.S
)
set(AUDIT_SOURCE_FILES
${AUDIT_FILES}
rtld-audit.h
stap-note-iter.h
../preload/preload_interface.h
../preload/rrcalls.h
)
add_library(rraudit)
foreach(file ${AUDIT_FILES})
target_sources(rraudit PUBLIC "${CMAKE_SOURCE_DIR}/src/audit/${file}")
set_source_files_properties("${CMAKE_SOURCE_DIR}/src/audit/${file}"
PROPERTIES COMPILE_FLAGS ${PRELOAD_COMPILE_FLAGS})
endforeach(file)
set_target_properties(rraudit PROPERTIES LINK_FLAGS "${PRELOAD_LINK_FLAGS} -ldl ${LINKER_FLAGS}")
endif()
# Ensure that CMake knows about our generated files.
#
# Alphabetical, please.
set(GENERATED_FILES
AssemblyTemplates.generated
CheckSyscallNumbers.generated
SyscallEnumsX64.generated
SyscallEnumsX86.generated
SyscallEnumsGeneric.generated
SyscallEnumsForTestsX64.generated
SyscallEnumsForTestsX86.generated
SyscallEnumsForTestsGeneric.generated
SyscallHelperFunctions.generated
SyscallnameArch.generated
SyscallRecordCase.generated
)
foreach(generated_file ${GENERATED_FILES})
set_source_files_properties(${generated_file}
PROPERTIES GENERATED true HEADER_FILE_ONLY true)
add_custom_command(OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/${generated_file}"
COMMAND "${CMAKE_CURRENT_SOURCE_DIR}/src/generate_syscalls.py"
"${CMAKE_CURRENT_BINARY_DIR}/${generated_file}"
DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/src/generate_syscalls.py"
"${CMAKE_CURRENT_SOURCE_DIR}/src/syscalls.py"
"${CMAKE_CURRENT_SOURCE_DIR}/src/assembly_templates.py")
endforeach(generated_file)
add_custom_target(Generated DEPENDS ${GENERATED_FILES})
add_custom_command(OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/rr_trace.capnp.c++"
"${CMAKE_CURRENT_BINARY_DIR}/rr_trace.capnp.h"
COMMAND capnp compile
"--src-prefix=${CMAKE_CURRENT_SOURCE_DIR}/src"
"-oc++:${CMAKE_CURRENT_BINARY_DIR}"
"${CMAKE_CURRENT_SOURCE_DIR}/src/rr_trace.capnp"
DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/src/rr_trace.capnp")
set_source_files_properties("${CMAKE_CURRENT_BINARY_DIR}/rr_trace.capnp.c++"
PROPERTIES GENERATED true)
set_source_files_properties("${CMAKE_CURRENT_BINARY_DIR}/rr_trace.capnp.h"
PROPERTIES GENERATED true HEADER_FILE_ONLY true)
if (${CMAKE_SYSTEM_PROCESSOR} STREQUAL "aarch64")
set(BLAKE_ARCH_DIR third-party/blake2/neon)
else()
set(BLAKE_ARCH_DIR third-party/blake2/sse)
endif()
set(RR_SOURCES
src/AddressSpace.cc
src/AutoRemoteSyscalls.cc
src/BuildidCommand.cc
src/Command.cc
src/CompressedReader.cc
src/CompressedWriter.cc
src/ContextSwitchEvent.cc
src/CPUFeaturesCommand.cc
src/CPUIDBugDetector.cc
src/DiversionSession.cc
src/DumpCommand.cc
src/Dwarf.cc
src/ElfReader.cc
src/EmuFs.cc
src/Event.cc
src/ExtraRegisters.cc
src/fast_forward.cc
src/FdTable.cc
src/FileMonitor.cc
src/FileNameCommand.cc
src/Flags.cc
src/ftrace.cc
src/DebuggerExtensionCommand.cc
src/DebuggerExtensionCommandHandler.cc
src/GdbServerConnection.cc
src/GdbServerExpression.cc
src/GdbInitCommand.cc
src/GdbServer.cc
src/HasTaskSet.cc
src/HelpCommand.cc
src/ExportImportCheckpoints.cc
src/kernel_abi.cc
src/kernel_metadata.cc
src/launch_debugger.cc
src/log.cc
src/LldbInitCommand.cc
src/LsCommand.cc
src/main.cc
src/MagicSaveDataMonitor.cc
src/MmappedFileMonitor.cc
src/MonitoredSharedMemory.cc
src/Monkeypatcher.cc
src/MvCommand.cc
src/PackCommand.cc
src/PerfCounters.cc
src/PerfCounterBuffers.cc
src/PidFdMonitor.cc
src/processor_trace_check.cc
src/ProcFdDirMonitor.cc
src/ProcMemMonitor.cc
src/ProcStatMonitor.cc
src/PsCommand.cc
src/RecordCommand.cc
src/RecordSession.cc
src/record_signal.cc
src/record_syscall.cc
src/RecordTask.cc
src/Registers.cc
src/remote_code_ptr.cc
src/ReplayCommand.cc
src/ReplaySession.cc
src/replay_syscall.cc
src/ReplayTask.cc
src/ReplayTimeline.cc
src/RerunCommand.cc
src/ReturnAddressList.cc
src/RmCommand.cc
src/Scheduler.cc
src/SeccompFilterRewriter.cc
src/Session.cc
src/SourcesCommand.cc
src/StdioMonitor.cc
src/SysCpuMonitor.cc
src/TargetDescription.cc
src/Task.cc
src/ThreadGroup.cc
src/TraceeAttentionSet.cc
src/TraceFrame.cc
src/TraceInfoCommand.cc
src/TraceStream.cc
src/VirtualPerfCounterMonitor.cc
src/util.cc
src/WaitManager.cc
src/WaitStatus.cc
${CMAKE_CURRENT_BINARY_DIR}/rr_trace.capnp.c++
${BLAKE_ARCH_DIR}/blake2b.c
)
if(PROC_SERVICE_H)
set(RR_SOURCES ${RR_SOURCES} src/ThreadDb.cc)
endif()
if (x86ish)
set(RR_SOURCES ${RR_SOURCES} src/test/x86/cpuid_loop.S)
endif()
if (asan)
set(ASAN_FLAGS "-fsanitize=address -fno-omit-frame-pointer")
# Without no-omit-frame-pointer incomplete backtraces get stored.
set(RR_FLAGS "${ASAN_FLAGS} ${RR_FLAGS}")
endif()
set_source_files_properties(${RR_SOURCES}
PROPERTIES COMPILE_FLAGS ${RR_FLAGS})
function(post_build_executable target)
# grsecurity needs these. But if we add them ourselves, they may conflict
# with other flags added in other ways, and they all have to match :-(. So
# don't do this until a better solution presents itself
# add_custom_command(TARGET ${target}
# POST_BUILD
# COMMAND setfattr ARGS -n user.pax.flags -v m $<TARGET_FILE:${target}>)
endfunction(post_build_executable)
if(UNIX)
include(GNUInstallDirs)
else()
set(CMAKE_INSTALL_LIBDIR "lib")
set(CMAKE_INSTALL_BINDIR "bin")
set(CMAKE_INSTALL_DATADIR "share")
set(CMAKE_INSTALL_DOCDIR "${CMAKE_INSTALL_DATADIR}/doc")
set(CMAKE_INSTALL_INCLUDEDIR "include")
endif()
if (intel_pt_decoding)
set(RR_SOURCES ${RR_SOURCES} src/ProcessorTraceDecoder.cc)
add_definitions(-DINTEL_PT_DECODING=1)
endif()
add_executable(rr ${RR_SOURCES})
set_target_properties(rr PROPERTIES ENABLE_EXPORTS true)
post_build_executable(rr)
set(RR_BIN rr)
add_dependencies(rr Generated)
if(bpf)
add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/share/rr/async_event_filter.o
DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/src/bpf/async_event_filter.c
COMMAND clang -g -target bpf -Wall -O2 -c ${CMAKE_CURRENT_SOURCE_DIR}/src/bpf/async_event_filter.c -o ${CMAKE_CURRENT_BINARY_DIR}/share/rr/async_event_filter.o)
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/share/rr/async_event_filter.o
DESTINATION ${CMAKE_INSTALL_DATADIR}/rr)
add_custom_target(BPF DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/share/rr/async_event_filter.o)
add_dependencies(rr BPF)
endif()
set(RR_MAIN_LINKER_FLAGS ${LINKER_FLAGS})
if(strip)
set(RR_MAIN_LINKER_FLAGS "-s ${RR_MAIN_LINKER_FLAGS}")
endif()
if (asan)
set(RR_MAIN_LINKER_FLAGS " ${ASAN_FLAGS} ${RR_MAIN_LINKER_FLAGS}")
endif()
# Add -flto option to linking step if release
if(LOWERCASE_CMAKE_BUILD_TYPE STREQUAL "release")
CHECK_C_COMPILER_FLAG("-flto=auto" SUPPORTS_LTO_AUTO)
if(SUPPORTS_LTO_AUTO)
set(RR_MAIN_LINKER_FLAGS "${RR_MAIN_LINKER_FLAGS} -flto=auto")
else()
set(RR_MAIN_LINKER_FLAGS "${RR_MAIN_LINKER_FLAGS} -flto")
endif()
endif()
if(intel_pt_decoding)
find_library(LIBIPT ipt)
target_link_libraries(rr ${LIBIPT})
endif()
if(LIBRT)
target_link_libraries(rr ${LIBRT})
endif()
target_link_libraries(rr
${CMAKE_DL_LIBS}
${ZLIB_LDFLAGS}
${LIBBPF_LDFLAGS}
brotli
)
if(ZSTD)
target_link_libraries(rr ${LIBZSTD_LDFLAGS})
endif()
if(staticlibs)
# Urgh ... this might not work for everyone, but there doesn't seem to be
# a way to persuade pkg-config/pkg_check_modules to produce the right flags
target_link_libraries(rr -L/home/roc/lib -l:libcapnp.a -l:libkj.a)
# Note that this works for both clang++ and g++
set(RR_MAIN_LINKER_FLAGS "-static-libstdc++ ${RR_MAIN_LINKER_FLAGS}")
elseif(ANDROID)
target_link_libraries(rr CapnProto::capnp)
else()
target_link_libraries(rr ${CAPNP_LDFLAGS})
endif()
set_target_properties(rr PROPERTIES LINK_FLAGS "${RR_MAIN_LINKER_FLAGS}")
target_link_libraries(rrpreload
${CMAKE_DL_LIBS}
)
add_executable(rr_exec_stub src/exec_stub.c)
post_build_executable(rr_exec_stub)
set_target_properties(rr_exec_stub
PROPERTIES LINK_FLAGS "-static -nostartfiles -nodefaultlibs ${LINKER_FLAGS}")
set_source_files_properties(src/exec_stub.c
COMPILE_FLAGS "-fno-stack-protector")
set(RR_GDB_RESOURCES
32bit-avx.xml
32bit-core.xml
32bit-linux.xml
32bit-sse.xml
32bit-pkeys.xml
64bit-avx.xml
64bit-core.xml
64bit-linux.xml
64bit-seg.xml
64bit-sse.xml
64bit-pkeys.xml
aarch64-core.xml
aarch64-fpu.xml
aarch64-pauth.xml
)
foreach(file ${RR_GDB_RESOURCES})
configure_file("${CMAKE_CURRENT_SOURCE_DIR}/third-party/gdb/${file}"
"${CMAKE_CURRENT_BINARY_DIR}/share/rr/${file}"
COPYONLY)
install(FILES third-party/gdb/${file}
DESTINATION ${CMAKE_INSTALL_DATADIR}/rr)
endforeach(file)
foreach(file ${PRELOAD_SOURCE_FILES})
configure_file("${CMAKE_CURRENT_SOURCE_DIR}/src/preload/${file}"
"${CMAKE_CURRENT_BINARY_DIR}/share/rr/src/preload/${file}"
COPYONLY)
install(FILES src/preload/${file}
DESTINATION ${CMAKE_INSTALL_DATADIR}/rr/src/preload)
endforeach(file)
foreach(file ${RR_PAGE_SOURCE_FILES})
configure_file("${CMAKE_CURRENT_SOURCE_DIR}/src/preload/${file}"
"${CMAKE_CURRENT_BINARY_DIR}/share/rr/src/preload/${file}"
COPYONLY)
install(FILES src/preload/${file}
DESTINATION ${CMAKE_INSTALL_DATADIR}/rr/src/preload)
endforeach(file)
configure_file("${CMAKE_CURRENT_BINARY_DIR}/src/preload/rr_page.ld"
"${CMAKE_CURRENT_BINARY_DIR}/share/rr/src/preload/rr_page.ld"
COPYONLY)
install(FILES "${CMAKE_CURRENT_BINARY_DIR}/src/preload/rr_page.ld"
DESTINATION ${CMAKE_INSTALL_DATADIR}/rr/src/preload)
configure_file("${CMAKE_CURRENT_SOURCE_DIR}/scripts/rr-collect-symbols.py"
"${CMAKE_CURRENT_BINARY_DIR}/bin/rr-collect-symbols.py"
COPYONLY)
configure_file("${CMAKE_CURRENT_SOURCE_DIR}/scripts/rr-gdb-script-host.py"
"${CMAKE_CURRENT_BINARY_DIR}/bin/rr-gdb-script-host.py"
COPYONLY)
install(PROGRAMS scripts/signal-rr-recording.sh
scripts/rr-collect-symbols.py
DESTINATION ${CMAKE_INSTALL_BINDIR})
install(PROGRAMS scripts/rr_completion
DESTINATION ${CMAKE_INSTALL_DATADIR}/bash-completion/completions RENAME rr)
# Note that this works fine when installing to /usr/local, but zsh by default doesn't autoload *any* completions in HOME,
# so people will still have to manually set `FPATH=~/.local/share/zsh/site-functions`.
install(PROGRAMS scripts/rr_completion.zsh
DESTINATION ${CMAKE_INSTALL_DATADIR}/zsh/site-functions RENAME _rr)
set(RR_INSTALL_LIBS rrpreload rrpage rr_exec_stub)
if(RTLD_AUDIT)
set(RR_INSTALL_LIBS ${RR_INSTALL_LIBS} rraudit)
endif()
install(TARGETS ${RR_BIN} ${RR_INSTALL_LIBS}
RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}/rr
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}/rr)
if(EXTRA_EXTERNAL_SOLIBS)
install(PROGRAMS ${EXTRA_EXTERNAL_SOLIBS}
DESTINATION ${CMAKE_INSTALL_LIBDIR})
endif()
# Build 32-bit librrpreload and librraudit on 64-bit builds.
# We copy the source files into '32' subdirectories in the output
# directory, so we can set different compile options on them.
# This sucks but I can't find a better way to get CMake to build
# the same source file in two different ways.
if(rr_32BIT AND rr_64BIT)
set(RR_INSTALL_LIBS_32 rrpreload_32 rrpage_32 rr_exec_stub_32)
add_library(rrpage_32)
foreach(file ${RR_PAGE_SOURCE_FILES})
configure_file("${CMAKE_CURRENT_SOURCE_DIR}/src/preload/${file}"
"${CMAKE_CURRENT_BINARY_DIR}/32/preload/${file}"
COPYONLY)
endforeach(file)
foreach(file ${RR_PAGE_FILES})
target_sources(rrpage_32 PUBLIC "${CMAKE_CURRENT_BINARY_DIR}/32/preload/${file}")
set_source_files_properties("${CMAKE_CURRENT_BINARY_DIR}/32/preload/${file}"
PROPERTIES COMPILE_FLAGS "-m32 ${PRELOAD_COMPILE_FLAGS}")
endforeach(file)
set_target_properties(rrpage_32 PROPERTIES NO_SONAME ON)
set_target_properties(rrpage_32 PROPERTIES LINK_FLAGS "-m32 -Wl,-T -Wl,${CMAKE_BINARY_DIR}/src/preload/rr_page.ld -Wl,--hash-style=both -nostdlib ${PRELOAD_LINK_FLAGS} -Wl,-soname,linux-vdso.so.1 ${LINKER_FLAGS}")
set_target_properties(rrpage_32 PROPERTIES LINK_DEPENDS ${CMAKE_BINARY_DIR}/src/preload/rr_page.ld)
set_target_properties(rrpage_32 PROPERTIES LINKER_LANGUAGE C)
add_custom_command(TARGET rrpage_32 POST_BUILD
COMMAND ${CMAKE_SOURCE_DIR}/src/preload/tweak_librrpage.py $<TARGET_FILE:rrpage_32> ${PRELOAD_LIBRARY_PAGE_SIZE})
add_library(rrpreload_32)
foreach(file ${PRELOAD_SOURCE_FILES})
configure_file("${CMAKE_CURRENT_SOURCE_DIR}/src/preload/${file}"
"${CMAKE_CURRENT_BINARY_DIR}/32/preload/${file}"
COPYONLY)
endforeach(file)
foreach(file ${PRELOAD_FILES})
target_sources(rrpreload_32 PUBLIC "${CMAKE_CURRENT_BINARY_DIR}/32/preload/${file}")
set_source_files_properties("${CMAKE_CURRENT_BINARY_DIR}/32/preload/${file}"
PROPERTIES COMPILE_FLAGS "-m32 ${PRELOAD_COMPILE_FLAGS}")
endforeach(file)
set_target_properties(rrpreload_32 PROPERTIES LINK_FLAGS "-m32 ${PRELOAD_LINK_FLAGS} ${LINKER_FLAGS}")
set_target_properties(rrpreload_32 PROPERTIES INSTALL_RPATH "\$ORIGIN")
target_link_libraries(rrpreload_32
${CMAKE_DL_LIBS}
)
if(RTLD_AUDIT)
add_library(rraudit_32)
foreach(file ${AUDIT_SOURCE_FILES})
configure_file("${CMAKE_CURRENT_SOURCE_DIR}/src/audit/${file}"
"${CMAKE_CURRENT_BINARY_DIR}/32/audit/${file}"
COPYONLY)
endforeach(file)
foreach(file ${AUDIT_FILES})
target_sources(rraudit_32 PUBLIC "${CMAKE_CURRENT_BINARY_DIR}/32/audit/${file}")
set_source_files_properties("${CMAKE_CURRENT_BINARY_DIR}/32/audit/${file}"
PROPERTIES COMPILE_FLAGS "-m32 ${PRELOAD_COMPILE_FLAGS}")
endforeach(file)
set_target_properties(rraudit_32 PROPERTIES LINK_FLAGS "-m32 -nostartfiles ${LINKER_FLAGS}")
target_link_libraries(rraudit_32
${CMAKE_DL_LIBS}
)
set(RR_INSTALL_LIBS_32 ${RR_INSTALL_LIBS_32} rraudit_32)
endif()
foreach(file exec_stub.c)
configure_file("${CMAKE_CURRENT_SOURCE_DIR}/src/${file}"
"${CMAKE_CURRENT_BINARY_DIR}/32/${file}"
COPYONLY)
set_source_files_properties("${CMAKE_CURRENT_BINARY_DIR}/32/${file}"
PROPERTIES COMPILE_FLAGS "-m32 -fno-stack-protector")
endforeach(file)
add_executable(rr_exec_stub_32 32/exec_stub.c)
post_build_executable(rr_exec_stub_32)
set_target_properties(rr_exec_stub_32
PROPERTIES LINK_FLAGS "-static -nostartfiles -nodefaultlibs -m32 ${LINKER_FLAGS}")
install(TARGETS ${RR_INSTALL_LIBS_32}
RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}/rr
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}/rr)
endif()
##--------------------------------------------------
## Testing
# A "basic test" consists of a foo.c source file. All basic tests use the
# same basic_test.run driver script. The test name is passed as an additional
# parameter to the driver script. This script just does
# "compare_test EXIT-SUCCESS", i.e. records and replays the program and verifies
# that the output of both runs is identical and contains EXIT-SUCCESS.
#
# NB: you must update this variable when adding a new test source
# file. The list is not generated automatically.
#
# Alphabetical, please.
set(BASIC_TESTS
64bit_child
_llseek
abort
accept
acct
adjtimex
aio
alarm
alarm2
alsa_ioctl
x86/arch_prctl_x86
x86/arch_prctl_xstate
async_segv_ignored
at_threadexit
bad_ip
bad_syscall
barrier
big_buffers
big_select
block
block_open
bpf
bpf_map
bpf_prog_map
bpf_query
brk
brk2
capget