1# SPDX-License-Identifier: GPL-2.0 2 3ifdef CONFIG_GCC_PLUGIN_STACKLEAK 4kstack-erase-cflags-y += -fplugin=$(objtree)/scripts/gcc-plugins/stackleak_plugin.so 5kstack-erase-cflags-y += -fplugin-arg-stackleak_plugin-track-min-size=$(CONFIG_KSTACK_ERASE_TRACK_MIN_SIZE) 6kstack-erase-cflags-y += -fplugin-arg-stackleak_plugin-arch=$(SRCARCH) 7kstack-erase-cflags-$(CONFIG_GCC_PLUGIN_STACKLEAK_VERBOSE) += -fplugin-arg-stackleak_plugin-verbose 8DISABLE_KSTACK_ERASE := -fplugin-arg-stackleak_plugin-disable 9endif 10 11ifdef CONFIG_CC_IS_CLANG 12kstack-erase-cflags-y += -fsanitize-coverage=stack-depth 13kstack-erase-cflags-y += -fsanitize-coverage-stack-depth-callback-min=$(CONFIG_KSTACK_ERASE_TRACK_MIN_SIZE) 14DISABLE_KSTACK_ERASE := -fno-sanitize-coverage=stack-depth 15endif 16 17KSTACK_ERASE_CFLAGS := $(kstack-erase-cflags-y) 18 19export STACKLEAK_CFLAGS DISABLE_KSTACK_ERASE 20 21KBUILD_CFLAGS += $(KSTACK_ERASE_CFLAGS) 22