xref: /linux/scripts/Makefile.gcc-plugins (revision 8a922b7728a93d837954315c98b84f6b78de0c4f)
1# SPDX-License-Identifier: GPL-2.0
2
3gcc-plugin-$(CONFIG_GCC_PLUGIN_LATENT_ENTROPY)	+= latent_entropy_plugin.so
4gcc-plugin-cflags-$(CONFIG_GCC_PLUGIN_LATENT_ENTROPY)		\
5		+= -DLATENT_ENTROPY_PLUGIN
6ifdef CONFIG_GCC_PLUGIN_LATENT_ENTROPY
7    DISABLE_LATENT_ENTROPY_PLUGIN += -fplugin-arg-latent_entropy_plugin-disable -ULATENT_ENTROPY_PLUGIN
8endif
9export DISABLE_LATENT_ENTROPY_PLUGIN
10
11gcc-plugin-$(CONFIG_GCC_PLUGIN_STRUCTLEAK)	+= structleak_plugin.so
12gcc-plugin-cflags-$(CONFIG_GCC_PLUGIN_STRUCTLEAK_VERBOSE)	\
13		+= -fplugin-arg-structleak_plugin-verbose
14gcc-plugin-cflags-$(CONFIG_GCC_PLUGIN_STRUCTLEAK_BYREF)		\
15		+= -fplugin-arg-structleak_plugin-byref
16gcc-plugin-cflags-$(CONFIG_GCC_PLUGIN_STRUCTLEAK_BYREF_ALL)	\
17		+= -fplugin-arg-structleak_plugin-byref-all
18ifdef CONFIG_GCC_PLUGIN_STRUCTLEAK
19    DISABLE_STRUCTLEAK_PLUGIN += -fplugin-arg-structleak_plugin-disable
20endif
21export DISABLE_STRUCTLEAK_PLUGIN
22gcc-plugin-cflags-$(CONFIG_GCC_PLUGIN_STRUCTLEAK)		\
23		+= -DSTRUCTLEAK_PLUGIN
24
25gcc-plugin-$(CONFIG_GCC_PLUGIN_STACKLEAK)	+= stackleak_plugin.so
26gcc-plugin-cflags-$(CONFIG_GCC_PLUGIN_STACKLEAK)		\
27		+= -DSTACKLEAK_PLUGIN
28gcc-plugin-cflags-$(CONFIG_GCC_PLUGIN_STACKLEAK)		\
29		+= -fplugin-arg-stackleak_plugin-track-min-size=$(CONFIG_STACKLEAK_TRACK_MIN_SIZE)
30gcc-plugin-cflags-$(CONFIG_GCC_PLUGIN_STACKLEAK)		\
31		+= -fplugin-arg-stackleak_plugin-arch=$(SRCARCH)
32gcc-plugin-cflags-$(CONFIG_GCC_PLUGIN_STACKLEAK_VERBOSE)	\
33		+= -fplugin-arg-stackleak_plugin-verbose
34ifdef CONFIG_GCC_PLUGIN_STACKLEAK
35    DISABLE_STACKLEAK_PLUGIN += -fplugin-arg-stackleak_plugin-disable
36endif
37export DISABLE_STACKLEAK_PLUGIN
38
39gcc-plugin-$(CONFIG_GCC_PLUGIN_ARM_SSP_PER_TASK) += arm_ssp_per_task_plugin.so
40ifdef CONFIG_GCC_PLUGIN_ARM_SSP_PER_TASK
41    DISABLE_ARM_SSP_PER_TASK_PLUGIN += -fplugin-arg-arm_ssp_per_task_plugin-disable
42endif
43export DISABLE_ARM_SSP_PER_TASK_PLUGIN
44
45# All the plugin CFLAGS are collected here in case a build target needs to
46# filter them out of the KBUILD_CFLAGS.
47GCC_PLUGINS_CFLAGS := $(strip $(addprefix -fplugin=$(objtree)/scripts/gcc-plugins/, $(gcc-plugin-y)) $(gcc-plugin-cflags-y))
48export GCC_PLUGINS_CFLAGS
49
50# Add the flags to the build!
51KBUILD_CFLAGS += $(GCC_PLUGINS_CFLAGS)
52
53# Some plugins are enabled outside of this Makefile, but they still need to
54# be included in GCC_PLUGIN so they can get built.
55gcc-plugin-external-$(CONFIG_GCC_PLUGIN_SANCOV)			\
56	+= sancov_plugin.so
57gcc-plugin-external-$(CONFIG_GCC_PLUGIN_RANDSTRUCT)		\
58	+= randomize_layout_plugin.so
59
60# All enabled GCC plugins are collected here for building in
61# scripts/gcc-scripts/Makefile.
62GCC_PLUGIN := $(gcc-plugin-y) $(gcc-plugin-external-y)
63export GCC_PLUGIN
64