scripts/Makefile.gcc-plugins

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