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##############################################
## Perform configuration steps for sanitizers.
##############################################
# Configure SANITIZE_HOST.
ifdef LOCAL_IS_HOST_MODULE
ifeq ($(SANITIZE_HOST),true)
ifneq ($(strip $(LOCAL_CLANG)),false)
ifneq ($(strip $(LOCAL_ADDRESS_SANITIZER)),false)
LOCAL_SANITIZE := address
endif
endif
endif
endif
my_sanitize := $(LOCAL_SANITIZE)
# Keep compatibility for LOCAL_ADDRESS_SANITIZER until all targets have moved to
# `LOCAL_SANITIZE := address`.
ifeq ($(strip $(LOCAL_ADDRESS_SANITIZER)),true)
my_sanitize += address
endif
# Don't apply sanitizers to NDK code.
ifdef LOCAL_SDK_VERSION
my_sanitize :=
endif
unknown_sanitizers := $(filter-out address, \
$(filter-out undefined,$(my_sanitize)))
ifneq ($(unknown_sanitizers),)
$(error Unknown sanitizers: $(unknown_sanitizers))
endif
ifneq ($(my_sanitize),)
my_clang := true
fsanitize_arg := $(subst $(space),$(comma),$(my_sanitize)),
my_cflags += -fsanitize=$(fsanitize_arg)
ifdef LOCAL_IS_HOST_MODULE
my_ldflags += -fsanitize=$(fsanitize_arg)
endif
endif
ifneq ($(filter address,$(my_sanitize)),)
# Frame pointer based unwinder in ASan requires ARM frame setup.
LOCAL_ARM_MODE := arm
my_cflags += $(ADDRESS_SANITIZER_CONFIG_EXTRA_CFLAGS)
my_ldflags += $(ADDRESS_SANITIZER_CONFIG_EXTRA_LDFLAGS)
ifdef LOCAL_IS_HOST_MODULE
# -nodefaultlibs (provided with libc++) prevents the driver from linking
# libraries needed with -fsanitize=address. http://b/18650275 (WAI)
my_ldlibs += -ldl -lpthread
else
my_shared_libraries += $(ADDRESS_SANITIZER_CONFIG_EXTRA_SHARED_LIBRARIES)
my_static_libraries += $(ADDRESS_SANITIZER_CONFIG_EXTRA_STATIC_LIBRARIES)
endif
endif
ifneq ($(filter undefined,$(my_sanitize)),)
ifdef LOCAL_IS_HOST_MODULE
my_ldlibs += -ldl
else
$(error ubsan is not yet supported on the target)
endif
endif
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