5619dbec25
The relocation packer is causing the kernel to load the executable overlapping ASAN's shadow space. Bug: http://b/20665974 Change-Id: Ifc5914f4fbed5f4f00ed1c795d01cf2fcb849cfe
114 lines
3.4 KiB
Makefile
114 lines
3.4 KiB
Makefile
##############################################
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## Perform configuration steps for sanitizers.
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##############################################
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my_sanitize := $(strip $(LOCAL_SANITIZE))
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# Keep compatibility for LOCAL_ADDRESS_SANITIZER until all targets have moved to
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# `LOCAL_SANITIZE := address`.
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ifeq ($(strip $(LOCAL_ADDRESS_SANITIZER)),true)
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my_sanitize += address
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endif
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# And `LOCAL_SANITIZE := never`.
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ifeq ($(strip $(LOCAL_ADDRESS_SANITIZER)),false)
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my_sanitize := never
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endif
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# Don't apply sanitizers to NDK code.
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ifdef LOCAL_SDK_VERSION
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my_sanitize := never
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endif
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# Configure SANITIZE_HOST.
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ifdef LOCAL_IS_HOST_MODULE
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ifeq ($(my_sanitize),)
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my_sanitize := $(strip $(SANITIZE_HOST))
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# SANTIZIZE_HOST=true is a deprecated way to say SANITIZE_HOST=address.
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ifeq ($(my_sanitize),true)
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my_sanitize := address
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endif
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# SANITIZE_HOST is only in effect if the module is already using clang (host
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# modules that haven't set `LOCAL_CLANG := false` and device modules that
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# have set `LOCAL_CLANG := true`.
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ifneq ($(my_clang),true)
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my_sanitize :=
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endif
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endif
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endif
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ifeq ($(my_sanitize),never)
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my_sanitize :=
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endif
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# Sanitizers can only be used with clang.
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ifneq ($(my_clang),true)
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ifneq ($(my_sanitize),)
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$(error $(LOCAL_PATH): $(LOCAL_MODULE): Use of sanitizers requires LOCAL_CLANG := true)
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endif
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endif
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ifneq ($(filter default-ub,$(my_sanitize)),)
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my_sanitize := $(CLANG_DEFAULT_UB_CHECKS)
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my_ldlibs += -ldl
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ifdef LOCAL_IS_HOST_MODULE
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my_cflags += -fno-sanitize-recover=all
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else
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my_cflags += -fsanitize-undefined-trap-on-error
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endif
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endif
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ifneq ($(my_sanitize),)
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fsanitize_arg := $(subst $(space),$(comma),$(my_sanitize)),
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my_cflags += -fsanitize=$(fsanitize_arg)
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ifdef LOCAL_IS_HOST_MODULE
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my_ldflags += -fsanitize=$(fsanitize_arg)
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endif
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endif
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ifneq ($(filter address,$(my_sanitize)),)
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# Frame pointer based unwinder in ASan requires ARM frame setup.
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LOCAL_ARM_MODE := arm
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my_cflags += $(ADDRESS_SANITIZER_CONFIG_EXTRA_CFLAGS)
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my_ldflags += $(ADDRESS_SANITIZER_CONFIG_EXTRA_LDFLAGS)
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ifdef LOCAL_IS_HOST_MODULE
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# -nodefaultlibs (provided with libc++) prevents the driver from linking
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# libraries needed with -fsanitize=address. http://b/18650275 (WAI)
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my_ldlibs += -lm -ldl -lpthread
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my_ldflags += -Wl,--no-as-needed
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else
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# ASan runtime library must be the first in the link order.
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my_shared_libraries := $($(LOCAL_2ND_ARCH_VAR_PREFIX)ADDRESS_SANITIZER_RUNTIME_LIBRARY) \
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$(my_shared_libraries) \
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$(ADDRESS_SANITIZER_CONFIG_EXTRA_SHARED_LIBRARIES)
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my_static_libraries += $(ADDRESS_SANITIZER_CONFIG_EXTRA_STATIC_LIBRARIES)
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my_ldflags += -Wl,-rpath,$($(LOCAL_2ND_ARCH_VAR_PREFIX)ADDRESS_SANITIZER_RPATH)
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# http://b/20665974
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# The relocation packer is causing the kernel to load the executable
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# overlapping ASAN's shadow space.
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ifeq ($(LOCAL_MODULE_CLASS),EXECUTABLES)
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LOCAL_PACK_MODULE_RELOCATIONS := false
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endif
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endif
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endif
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ifneq ($(filter undefined,$(my_sanitize)),)
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my_cflags += -fno-sanitize-recover=all
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ifdef LOCAL_IS_HOST_MODULE
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my_ldlibs += -ldl
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else
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$(error ubsan is not yet supported on the target)
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endif
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endif
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ifneq ($(strip $(LOCAL_SANITIZE_RECOVER)),)
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recover_arg := $(subst $(space),$(comma),$(LOCAL_SANITIZE_RECOVER)),
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my_cflags += -fsanitize-recover=$(recover_arg)
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endif
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