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