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Kernel: Only build kcov object files, if feature is enabled

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Space Meyer 2024-04-08 02:33:58 +02:00 committed by Andrew Kaster
parent 106d4636a4
commit ca89116a46
Notes: sideshowbarker 2024-07-17 08:35:21 +09:00 
Author: https://github.com/HerrSpace
Commit: https://github.com/SerenityOS/serenity/commit/ca89116a46
Pull-request: https://github.com/SerenityOS/serenity/pull/23911
Reviewed-by: https://github.com/ADKaster
Reviewed-by: https://github.com/Hendiadyoin1
Reviewed-by: https://github.com/LucasChollet
2 changed files with 25 additions and 17 deletions
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4
Kernel/Arch/init.cpp
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@ -30,7 +30,9 @@
#include <Kernel/Devices/Generic/SelfTTYDevice.h>
#include <Kernel/Devices/Generic/ZeroDevice.h>
#include <Kernel/Devices/HID/Management.h>
#include <Kernel/Devices/KCOVDevice.h>
#ifdef ENABLE_KERNEL_COVERAGE_COLLECTION
# include <Kernel/Devices/KCOVDevice.h>
#endif
#include <Kernel/Devices/PCISerialDevice.h>
#include <Kernel/Devices/SerialDevice.h>
#include <Kernel/Devices/Storage/StorageManagement.h>

38
Kernel/CMakeLists.txt
View file

@ -66,8 +66,6 @@ set(KERNEL_SOURCES
Devices/CharacterDevice.cpp
Devices/Device.cpp
Devices/DeviceManagement.cpp
Devices/KCOVDevice.cpp
Devices/KCOVInstance.cpp
Devices/PCISerialDevice.cpp
Devices/SerialDevice.cpp
Devices/HID/AllMiceDevice.cpp
@ -136,7 +134,6 @@ set(KERNEL_SOURCES
Devices/Storage/StorageDevice.cpp
Devices/Storage/StorageManagement.cpp
Devices/Storage/StorageDevicePartition.cpp
SanCov.cpp
FileSystem/AnonymousFile.cpp
FileSystem/BlockBasedFileSystem.cpp
FileSystem/Custody.cpp
@ -630,18 +627,6 @@ set(PARTITION_SOURCES
../Userland/Libraries/LibPartition/PartitionTable.cpp
)
set(SOURCES
${KERNEL_SOURCES}
${GENERATED_SOURCES}
${AK_SOURCES}
${DT_SOURCES}
${EDID_SOURCES}
${ELF_SOURCES}
${VT_SOURCES}
${CRYPTO_SOURCES}
${PARTITION_SOURCES}
)
add_compile_options(-fsigned-char)
add_compile_options(-Wno-unknown-warning-option -Wvla -Wnull-dereference)
add_compile_options(-fno-rtti -ffreestanding -fbuiltin)
@ -723,6 +708,13 @@ set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -static-pie")
# secure to run in production builds. Useful for coverage guided fuzzing.
if (ENABLE_KERNEL_COVERAGE_COLLECTION)
add_definitions(-DENABLE_KERNEL_COVERAGE_COLLECTION)
set(KERNEL_SOURCES
${KERNEL_SOURCES}
Devices/KCOVDevice.cpp
Devices/KCOVInstance.cpp
SanCov.cpp
)
add_compile_options(-fsanitize-coverage=trace-pc)
set(KCOV_EXCLUDED_SOURCES
# Make sure we don't instrument any code called from __sanitizer_cov_trace_pc
@ -746,7 +738,9 @@ if (ENABLE_KERNEL_COVERAGE_COLLECTION)
../Kernel/Syscall/SyscallHandler.cpp
)
set_source_files_properties(${KCOV_EXCLUDED_SOURCES} PROPERTIES COMPILE_FLAGS "-fno-sanitize-coverage=trace-pc")
elseif (ENABLE_USERSPACE_COVERAGE_COLLECTION)
endif()
if (ENABLE_USERSPACE_COVERAGE_COLLECTION)
# Disable checking open() pledges and the veil for coverage data when building userspace with coverage
# so that binaries can write out coverage data even with pledges/veil
add_compile_definitions(SKIP_PATH_VALIDATION_FOR_COVERAGE_INSTRUMENTATION)
@ -777,6 +771,18 @@ if ("${SERENITY_ARCH}" STREQUAL "aarch64")
add_compile_options(-mstrict-align -Wno-cast-align)
endif()
set(SOURCES
${KERNEL_SOURCES}
${GENERATED_SOURCES}
${AK_SOURCES}
${DT_SOURCES}
${EDID_SOURCES}
${ELF_SOURCES}
${VT_SOURCES}
${CRYPTO_SOURCES}
${PARTITION_SOURCES}
)
add_compile_definitions(KERNEL)
add_link_options(LINKER:-z,notext)