xref: /linux/scripts/Makefile.gcc-plugins (revision a4eb44a6435d6d8f9e642407a4a06f65eb90ca04)
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
8endif
9export DISABLE_LATENT_ENTROPY_PLUGIN
10
11gcc-plugin-$(CONFIG_GCC_PLUGIN_SANCOV)		+= sancov_plugin.so
12
13gcc-plugin-$(CONFIG_GCC_PLUGIN_STRUCTLEAK)	+= structleak_plugin.so
14gcc-plugin-cflags-$(CONFIG_GCC_PLUGIN_STRUCTLEAK_VERBOSE)	\
15		+= -fplugin-arg-structleak_plugin-verbose
16gcc-plugin-cflags-$(CONFIG_GCC_PLUGIN_STRUCTLEAK_BYREF)		\
17		+= -fplugin-arg-structleak_plugin-byref
18gcc-plugin-cflags-$(CONFIG_GCC_PLUGIN_STRUCTLEAK_BYREF_ALL)	\
19		+= -fplugin-arg-structleak_plugin-byref-all
20ifdef CONFIG_GCC_PLUGIN_STRUCTLEAK
21    DISABLE_STRUCTLEAK_PLUGIN += -fplugin-arg-structleak_plugin-disable
22endif
23export DISABLE_STRUCTLEAK_PLUGIN
24gcc-plugin-cflags-$(CONFIG_GCC_PLUGIN_STRUCTLEAK)		\
25		+= -DSTRUCTLEAK_PLUGIN
26
27gcc-plugin-$(CONFIG_GCC_PLUGIN_RANDSTRUCT)	+= randomize_layout_plugin.so
28gcc-plugin-cflags-$(CONFIG_GCC_PLUGIN_RANDSTRUCT)		\
29		+= -DRANDSTRUCT_PLUGIN
30gcc-plugin-cflags-$(CONFIG_GCC_PLUGIN_RANDSTRUCT_PERFORMANCE)	\
31		+= -fplugin-arg-randomize_layout_plugin-performance-mode
32
33gcc-plugin-$(CONFIG_GCC_PLUGIN_STACKLEAK)	+= stackleak_plugin.so
34gcc-plugin-cflags-$(CONFIG_GCC_PLUGIN_STACKLEAK)		\
35		+= -DSTACKLEAK_PLUGIN
36gcc-plugin-cflags-$(CONFIG_GCC_PLUGIN_STACKLEAK)		\
37		+= -fplugin-arg-stackleak_plugin-track-min-size=$(CONFIG_STACKLEAK_TRACK_MIN_SIZE)
38gcc-plugin-cflags-$(CONFIG_GCC_PLUGIN_STACKLEAK)		\
39		+= -fplugin-arg-stackleak_plugin-arch=$(SRCARCH)
40ifdef CONFIG_GCC_PLUGIN_STACKLEAK
41    DISABLE_STACKLEAK_PLUGIN += -fplugin-arg-stackleak_plugin-disable
42endif
43export DISABLE_STACKLEAK_PLUGIN
44
45gcc-plugin-$(CONFIG_GCC_PLUGIN_ARM_SSP_PER_TASK) += arm_ssp_per_task_plugin.so
46ifdef CONFIG_GCC_PLUGIN_ARM_SSP_PER_TASK
47    DISABLE_ARM_SSP_PER_TASK_PLUGIN += -fplugin-arg-arm_ssp_per_task_plugin-disable
48endif
49export DISABLE_ARM_SSP_PER_TASK_PLUGIN
50
51# All the plugin CFLAGS are collected here in case a build target needs to
52# filter them out of the KBUILD_CFLAGS.
53GCC_PLUGINS_CFLAGS := $(strip $(addprefix -fplugin=$(objtree)/scripts/gcc-plugins/, $(gcc-plugin-y)) $(gcc-plugin-cflags-y))
54# The sancov_plugin.so is included via CFLAGS_KCOV, so it is removed here.
55GCC_PLUGINS_CFLAGS := $(filter-out %/sancov_plugin.so, $(GCC_PLUGINS_CFLAGS))
56export GCC_PLUGINS_CFLAGS
57
58# Add the flags to the build!
59KBUILD_CFLAGS += $(GCC_PLUGINS_CFLAGS)
60
61# All enabled GCC plugins are collected here for building below.
62GCC_PLUGIN := $(gcc-plugin-y)
63export GCC_PLUGIN
64