linux/scripts/Makefile.gcc-plugins
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   1# SPDX-License-Identifier: GPL-2.0
   2
   3gcc-plugin-$(CONFIG_GCC_PLUGIN_CYC_COMPLEXITY)  += cyc_complexity_plugin.so
   4
   5gcc-plugin-$(CONFIG_GCC_PLUGIN_LATENT_ENTROPY)  += latent_entropy_plugin.so
   6gcc-plugin-cflags-$(CONFIG_GCC_PLUGIN_LATENT_ENTROPY)           \
   7                += -DLATENT_ENTROPY_PLUGIN
   8ifdef CONFIG_GCC_PLUGIN_LATENT_ENTROPY
   9    DISABLE_LATENT_ENTROPY_PLUGIN += -fplugin-arg-latent_entropy_plugin-disable
  10endif
  11export DISABLE_LATENT_ENTROPY_PLUGIN
  12
  13gcc-plugin-$(CONFIG_GCC_PLUGIN_SANCOV)          += sancov_plugin.so
  14
  15gcc-plugin-$(CONFIG_GCC_PLUGIN_STRUCTLEAK)      += structleak_plugin.so
  16gcc-plugin-cflags-$(CONFIG_GCC_PLUGIN_STRUCTLEAK_VERBOSE)       \
  17                += -fplugin-arg-structleak_plugin-verbose
  18gcc-plugin-cflags-$(CONFIG_GCC_PLUGIN_STRUCTLEAK_BYREF_ALL)     \
  19                += -fplugin-arg-structleak_plugin-byref-all
  20gcc-plugin-cflags-$(CONFIG_GCC_PLUGIN_STRUCTLEAK)               \
  21                += -DSTRUCTLEAK_PLUGIN
  22
  23gcc-plugin-$(CONFIG_GCC_PLUGIN_RANDSTRUCT)      += randomize_layout_plugin.so
  24gcc-plugin-cflags-$(CONFIG_GCC_PLUGIN_RANDSTRUCT)               \
  25                += -DRANDSTRUCT_PLUGIN
  26gcc-plugin-cflags-$(CONFIG_GCC_PLUGIN_RANDSTRUCT_PERFORMANCE)   \
  27                += -fplugin-arg-randomize_layout_plugin-performance-mode
  28
  29# All the plugin CFLAGS are collected here in case a build target needs to
  30# filter them out of the KBUILD_CFLAGS.
  31GCC_PLUGINS_CFLAGS := $(strip $(addprefix -fplugin=$(objtree)/scripts/gcc-plugins/, $(gcc-plugin-y)) $(gcc-plugin-cflags-y))
  32# The sancov_plugin.so is included via CFLAGS_KCOV, so it is removed here.
  33GCC_PLUGINS_CFLAGS := $(filter-out %/sancov_plugin.so, $(GCC_PLUGINS_CFLAGS))
  34export GCC_PLUGINS_CFLAGS
  35
  36# Add the flags to the build!
  37KBUILD_CFLAGS += $(GCC_PLUGINS_CFLAGS)
  38
  39# All enabled GCC plugins are collected here for building below.
  40GCC_PLUGIN := $(gcc-plugin-y)
  41export GCC_PLUGIN
  42
  43# Actually do the build, if requested.
  44PHONY += gcc-plugins
  45gcc-plugins: scripts_basic
  46ifdef CONFIG_GCC_PLUGINS
  47        $(Q)$(MAKE) $(build)=scripts/gcc-plugins
  48endif
  49        @:
  50