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88a4280e01
CONFIG_KASAN_KUNIT_TEST is a kernel specific build option, so expose it via the arch config.h instead of the tools-generated lkl_autoconf.h. Both LKL_HOST_CONFIG_KASAN and LKL_HOST_CONFIG_KASAN_KUNIT_TEST are now unused so can be removed. Signed-off-by: David Disseldorp <ddiss@suse.de>
272 lines
11 KiB
Makefile
272 lines
11 KiB
Makefile
POSIX_HOSTS=elf64 elf32
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KASAN_HOSTS=elf64-x86-64
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NT_HOSTS=pe
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define set_autoconf_var
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$(shell echo "#define LKL_HOST_CONFIG_$(1) $(2)" \
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>> $(OUTPUT)/include/lkl_autoconf.h)
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$(shell echo "LKL_HOST_CONFIG_$(1)=$(2)" >> $(OUTPUT)/tests/autoconf.sh)
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export LKL_HOST_CONFIG_$(1)=$(2)
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endef
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define set_kernel_config
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$(shell echo "CONFIG_$(1)=$(2)" >> $(OUTPUT)/kernel.config)
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endef
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define find_include
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$(eval include_paths=$(shell $(CC) -E -Wp,-v -xc /dev/null 2>&1 | grep '^ '))
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$(foreach f, $(include_paths), $(wildcard $(f)/$(1)))
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endef
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define is_defined
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$(shell $(CC) -dM -E - </dev/null | grep $(1))
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endef
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define android_host
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$(call set_autoconf_var,ANDROID,y)
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endef
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define bsd_host
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$(call set_autoconf_var,BSD,y)
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endef
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define arm_host
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$(call set_autoconf_var,ARM,y)
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endef
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define aarch64_host
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$(call set_autoconf_var,AARCH64,y)
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endef
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define virtio_net_dpdk
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$(call set_autoconf_var,VIRTIO_NET_DPDK,y)
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RTE_SDK ?= $(OUTPUT)/dpdk-17.02
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RTE_TARGET ?= build
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DPDK_LIBS = -lrte_pmd_vmxnet3_uio -lrte_pmd_ixgbe -lrte_pmd_e1000
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DPDK_LIBS += -lrte_pmd_virtio
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DPDK_LIBS += -lrte_timer -lrte_hash -lrte_mbuf -lrte_ethdev -lrte_eal
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DPDK_LIBS += -lrte_mempool -lrte_ring -lrte_pmd_ring
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DPDK_LIBS += -lrte_kvargs -lrte_net
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CFLAGS += -I$$(RTE_SDK)/$$(RTE_TARGET)/include -msse4.2 -mpopcnt
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LDFLAGS +=-L$$(RTE_SDK)/$$(RTE_TARGET)/lib
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LDFLAGS +=-Wl,--whole-archive $$(DPDK_LIBS) -Wl,--no-whole-archive -lm -ldl
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LDFLAGS +=-z noexecstack
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endef
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define virtio_net_vde
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$(call set_autoconf_var,VIRTIO_NET_VDE,y)
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LDLIBS += $(shell pkg-config --libs vdeplug)
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endef
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define zpoline_conf
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$(eval zpoline_dir=$(abspath $(srctree)/$(1)))
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$(if $(strip $(foreach f, $(zpoline_dir), $(wildcard $(f)/libzpoline.so))),$(call set_autoconf_var,ZPOLINE_DIR,$(zpoline_dir)))
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endef
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define posix_host
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$(call set_autoconf_var,POSIX,y)
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$(call set_autoconf_var,VIRTIO_NET,y)
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$(call set_autoconf_var,VIRTIO_NET_FD,y)
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$(if $(strip $(call find_include,linux/vfio.h)),$(call set_autoconf_var,VFIO_PCI,y))
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LDFLAGS += -pie -z noexecstack
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CFLAGS += -fPIC -pthread
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SOSUF := .so
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$(if $(call is_defined,__ANDROID__),$(call android_host),LDLIBS += -lrt -lpthread)
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$(if $(filter $(1),elf64-x86-64-freebsd),$(call bsd_host))
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$(if $(filter $(1),elf32-littlearm),$(call arm_host))
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$(if $(filter $(1),elf64-littleaarch64),$(call aarch64_host))
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$(if $(filter yes,$(dpdk)),$(call virtio_net_dpdk))
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$(if $(filter yes,$(vde)),$(call virtio_net_vde))
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$(if $(strip $(call find_include,fuse3/fuse.h)),$(call set_autoconf_var,FUSE,y))
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$(if $(strip $(call find_include,archive.h)),$(call set_autoconf_var,ARCHIVE,y))
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$(if $(strip $(call find_include,linux/if_tun.h)),$(call set_autoconf_var,VIRTIO_NET_MACVTAP,y))
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$(if $(filter $(1),elf64-x86-64-freebsd),$(call set_autoconf_var,NEEDS_LARGP,y))
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$(if $(filter $(1),elf32-i386),$(call set_autoconf_var,I386,y))
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$(if $(strip $(call find_include,jsmn.h)),$(call set_autoconf_var,JSMN,y))
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$(if $(filter %,$(zpoline)),$(call zpoline_conf,$(zpoline)))
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endef
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define nt64_host
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$(call set_autoconf_var,NEEDS_LARGP,y)
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$(call set_autoconf_var,VIRTIO_NET,y)
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$(call set_autoconf_var,NT64,y)
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CFLAGS += -Wl,--enable-auto-image-base -Wl,--image-base -Wl,0x10000000 \
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-Wl,--out-implib=$(OUTPUT)liblkl.dll.a -Wl,--export-all-symbols \
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-Wl,--enable-auto-import
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LDFLAGS +=-Wl,--image-base -Wl,0x10000000 -Wl,--enable-auto-image-base \
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-Wl,--out-implib=$(OUTPUT)liblkl.dll.a -Wl,--export-all-symbols \
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-Wl,--enable-auto-import -s
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endef
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define nt_host
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$(call set_autoconf_var,NT,y)
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KOPT = "KALLSYMS_EXTRA_PASS=1"
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KOPT += "HOSTCFLAGS=-Wno-char-subscripts"
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KOPT += "HOSTLDFLAGS=-s"
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LDLIBS += -lws2_32
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EXESUF := .exe
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SOSUF := .dll
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CFLAGS += -Iinclude/mingw32
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$(if $(filter $(1),pe-x86-64),$(call nt64_host))
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endef
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define kasan_test_enable
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$(call set_kernel_config,KUNIT,y)
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$(call set_kernel_config,BUILTIN_CMDLINE,\"kunit.filter_glob=\")
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$(call set_kernel_config,KASAN_KUNIT_TEST,y)
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endef
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define kasan_enable
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$(call set_kernel_config,KASAN,y)
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$(if $(filter yes,$(kasan_test)), $(call kasan_test_enable))
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endef
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define do_autoconf_gnu
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export CROSS_COMPILE := $(CROSS_COMPILE)
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export CC := $(CROSS_COMPILE)gcc
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export LD := $(CROSS_COMPILE)ld
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export AR := $(CROSS_COMPILE)ar
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$(eval LD := $(CROSS_COMPILE)ld)
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$(eval CC := $(CROSS_COMPILE)gcc)
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$(eval LD_FMT := $(shell $(LD) -r -print-output-format))
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endef
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define llvm_target_to_ld_fmt
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$(if $(filter $(CROSS_COMPILE),x86_64-linux-gnu),elf64-x86-64,\
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$(error Unsupported LLVM target $(CROSS_COMPILE)))
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endef
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define do_autoconf_llvm
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$(eval LLVM_PREFIX := $(if $(filter %/,$(LLVM)),$(LLVM)))
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$(eval LLVM_SUFFIX := $(if $(filter -%,$(LLVM)),$(LLVM)))
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export CLANG_TARGET_FLAGS_lkl := $(CROSS_COMPILE)
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export CC := $(LLVM_PREFIX)clang$(LLVM_SUFFIX)
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export CXX := $(LLVM_PREFIX)clang++$(LLVM_SUFFIX)
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export LD := $(LLVM_PREFIX)ld.lld$(LLVM_SUFFIX)
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export AR := $(LLVM_PREFIX)llvm-ar$(LLVM_SUFFIX)
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$(eval LD := $(LLVM_PREFIX)ld.lld$(LLVM_SUFFIX))
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$(eval CC := $(LLVM_PREFIX)clang$(LLVM_SUFFIX))
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$(eval LD_FMT := $(call llvm_target_to_ld_fmt))
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endef
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define define_libprotobuf_mutator
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$(eval PROTOC_PATH := $(PROTOBUF_MUTATOR_DIR)/build/external.protobuf/bin/protoc)
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export PROTOC_PATH := $(PROTOC_PATH)
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# Tell compiler where to find libprotobuf-mutator-related headers
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export LIBPROTOBUF_MUTATOR_INCLUDES_DIR := -I$(PROTOBUF_MUTATOR_DIR) \
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-I$(PROTOBUF_MUTATOR_DIR)/build/external.protobuf/include
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# Tell linker where to find libprotobuf-mutator-related static libs
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export LIBPROTOBUF_MUTATOR_LIBS_DIR := -L$(PROTOBUF_MUTATOR_DIR)/build/src \
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-L$(PROTOBUF_MUTATOR_DIR)/build/src/libfuzzer \
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-L$(PROTOBUF_MUTATOR_DIR)/build/external.protobuf/lib
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# The same list of absl dependencies as in libprotobuf-mutator cmake config:
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# https://github.com/google/libprotobuf-mutator/blob/master/cmake/external/protobuf.cmake
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$(eval LIBPROTOBUF_LIBS := protobufd \
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absl_bad_any_cast_impl absl_bad_optional_access absl_bad_variant_access \
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absl_base absl_city absl_civil_time absl_cord absl_cord_internal \
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absl_cordz_functions absl_cordz_handle absl_cordz_info \
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absl_cordz_sample_token absl_crc_cord_state absl_crc_cpu_detect \
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absl_crc_internal absl_crc32c absl_debugging_internal \
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absl_demangle_internal absl_die_if_null absl_examine_stack \
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absl_exponential_biased absl_failure_signal_handler \
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absl_flags_commandlineflag absl_flags_commandlineflag_internal \
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absl_flags_config absl_flags_internal absl_flags_marshalling \
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absl_flags_parse absl_flags_private_handle_accessor \
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absl_flags_program_name absl_flags_reflection absl_flags_usage \
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absl_flags_usage_internal absl_graphcycles_internal absl_hash \
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absl_hashtablez_sampler absl_int128 absl_kernel_timeout_internal \
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absl_leak_check absl_log_entry absl_log_flags absl_log_globals \
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absl_log_initialize absl_log_internal_check_op \
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absl_log_internal_conditions absl_log_internal_format \
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absl_log_internal_globals absl_log_internal_log_sink_set \
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absl_log_internal_message absl_log_internal_nullguard \
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absl_log_internal_proto absl_log_severity \
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absl_log_sink absl_low_level_hash absl_malloc_internal \
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absl_periodic_sampler absl_random_distributions \
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absl_random_internal_distribution_test_util absl_random_internal_platform \
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absl_random_internal_pool_urbg absl_random_internal_randen \
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absl_random_internal_randen_hwaes absl_random_internal_randen_hwaes_impl \
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absl_random_internal_randen_slow absl_random_internal_seed_material \
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absl_random_seed_gen_exception absl_random_seed_sequences \
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absl_raw_hash_set absl_raw_logging_internal absl_scoped_set_env \
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absl_spinlock_wait absl_stacktrace absl_status \
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absl_statusor absl_str_format_internal absl_strerror \
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absl_string_view absl_strings absl_strings_internal \
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absl_symbolize absl_synchronization absl_throw_delegate \
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absl_time absl_time_zone utf8_validity)
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export LIBPROTOBUF_MUTATOR_LIBS := \
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-lprotobuf-mutator-libfuzzer -lprotobuf-mutator \
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$(addprefix -l,$(LIBPROTOBUF_LIBS))
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# Libprotobuf-mutator build safety checks
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$(if $(wildcard $(PROTOC_PATH)),,\
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$(error Cannot find protoc binary at $(PROTOC_PATH). \
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Refer to documentation at tools/lkl/fuzzers/binder/README.md))
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$(if $(wildcard $(PROTOBUF_MUTATOR_DIR)/build/src/libprotobuf-mutator.a),,\
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$(error Cannot find libprotobuf-mutator.a in \
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$(abspath $(PROTOBUF_MUTATOR_DIR)/build/src/). \
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Refer to documentation at tools/lkl/fuzzers/binder/README.md))
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$(if $(wildcard $(PROTOBUF_MUTATOR_DIR)/build/src/libfuzzer/libprotobuf-mutator-libfuzzer.a),,\
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$(error Cannot find libprotobuf-mutator-libfuzzer.a in \
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$(abspath $(PROTOBUF_MUTATOR_DIR)/build/src/libfuzzer/). \
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Refer to documentation at tools/lkl/fuzzers/binder/README.md))
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$(foreach protobuf_lib,$(LIBPROTOBUF_LIBS),\
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$(if $(wildcard $(PROTOBUF_MUTATOR_DIR)/build/external.protobuf/lib/lib$(protobuf_lib).a),,\
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$(error Cannot find lib$(protobuf_lib).a in \
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$(PROTOBUF_MUTATOR_DIR)/build/external.protobuf/lib/. \
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Refer to documentation at tools/lkl/fuzzers/binder/README.md)))
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endef
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define do_autoconf_fuzzing
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export KCONFIG := fuzzing_defconfig
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export LLVM := 1
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export CROSS_COMPILE := x86_64-linux-gnu
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$(eval LLVM := 1)
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$(eval CROSS_COMPILE := x86_64-linux-gnu)
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$(eval kasan := yes)
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$(if $(LKL_LINE_COV),$(call set_kernel_config,LKL_LINE_COV,y))
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$(if $(MMU),$(call set_kernel_config,ANDROID_BINDER_IPC,y))
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$(if $(PROTOBUF_MUTATOR_DIR),$(call define_libprotobuf_mutator))
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LDFLAGS += -fuse-ld=lld
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endef
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define mmu_test_enable
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$(call set_autoconf_var,LKL_MMU_TEST,y)
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$(call set_kernel_config,KUNIT,y)
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$(call set_kernel_config,LKL_MMU_KUNIT_TEST,y)
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endef
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define do_autoconf_mmu
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$(call set_autoconf_var,MMU,y)
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$(call set_kernel_config,MMU,y)
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$(if $(MMU_KUNIT), $(call mmu_test_enable))
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endef
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define do_autoconf
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$(if $(LKL_FUZZING),$(call do_autoconf_fuzzing))
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$(if $(LLVM),$(call do_autoconf_llvm),$(call do_autoconf_gnu))
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$(eval EXEC_FMT := $(shell echo $(LD_FMT) | cut -d "-" -f1))
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$(if $(filter $(EXEC_FMT),$(POSIX_HOSTS)),$(call posix_host,$(LD_FMT)))
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$(if $(filter $(EXEC_FMT),$(NT_HOSTS)),$(call nt_host,$(LD_FMT)))
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$(if $(and $(filter yes,$(kasan)),$(filter $(LD_FMT),$(KASAN_HOSTS))),$(call kasan_enable,$(LD_FMT)))
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$(if $(MMU),$(call do_autoconf_mmu))
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endef
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export do_autoconf
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$(OUTPUT)Makefile.conf: Makefile.autoconf
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$(shell mkdir -p $(OUTPUT)/include)
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$(shell mkdir -p $(OUTPUT)/tests)
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$(shell echo -n "" > $(OUTPUT)/include/lkl_autoconf.h)
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$(shell echo -n "" > $(OUTPUT)/kernel.config)
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$(shell echo -n "" > $(OUTPUT)/tests/autoconf.sh)
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@echo "$$do_autoconf" > $(OUTPUT)/Makefile.conf
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