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-$(CONFIG_GCC_PLUGIN_LATENT_ENTROPY)           \
   7                 += -DLATENT_ENTROPY_PLUGIN
   8 ifdef CONFIG_GCC_PLUGIN_LATENT_ENTROPY
   9     DISABLE_LATENT_ENTROPY_PLUGIN += -fplugin-arg-latent_entropy_plugin-disable -ULATENT_ENTROPY_PLUGIN
  10 endif
  11 export DISABLE_LATENT_ENTROPY_PLUGIN
  12
  13 gcc-plugin-$(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-$(CONFIG_GCC_PLUGIN_STRUCTLEAK_BYREF_ALL)     \
  19                 += -fplugin-arg-structleak_plugin-byref-all
  20 ifdef CONFIG_GCC_PLUGIN_STRUCTLEAK
  21     DISABLE_STRUCTLEAK_PLUGIN += -fplugin-arg-structleak_plugin-disable
  22 endif
  23 export DISABLE_STRUCTLEAK_PLUGIN
  24 gcc-plugin-cflags-$(CONFIG_GCC_PLUGIN_STRUCTLEAK)               \
  25                 += -DSTRUCTLEAK_PLUGIN
  26
  27 gcc-plugin-$(CONFIG_GCC_PLUGIN_RANDSTRUCT)      += randomize_layout_plugin.so
  28 gcc-plugin-cflags-$(CONFIG_GCC_PLUGIN_RANDSTRUCT)               \
  29                 += -DRANDSTRUCT_PLUGIN
  30 gcc-plugin-cflags-$(CONFIG_GCC_PLUGIN_RANDSTRUCT_PERFORMANCE)   \
  31                 += -fplugin-arg-randomize_layout_plugin-performance-mode
  32
  33 # All the plugin CFLAGS are collected here in case a build target needs to
  34 # filter them out of the KBUILD_CFLAGS.
  35 GCC_PLUGINS_CFLAGS := $(strip $(addprefix -fplugin=$(objtree)/scripts/gcc-plugins/, $(gcc-plugin-y)) $(gcc-plugin-cflags-y))
  36 # The sancov_plugin.so is included via CFLAGS_KCOV, so it is removed here.
  37 GCC_PLUGINS_CFLAGS := $(filter-out %/sancov_plugin.so, $(GCC_PLUGINS_CFLAGS))
  38 export GCC_PLUGINS_CFLAGS
  39
  40 # Add the flags to the build!
  41 KBUILD_CFLAGS += $(GCC_PLUGINS_CFLAGS)
  42
  43 # All enabled GCC plugins are collected here for building below.
  44 GCC_PLUGIN := $(gcc-plugin-y)
  45 export GCC_PLUGIN
  46
  47 # Actually do the build, if requested.
  48 PHONY += gcc-plugins
  49 gcc-plugins: scripts_basic
  50 ifdef CONFIG_GCC_PLUGINS
  51         $(Q)$(MAKE) $(build)=scripts/gcc-plugins
  52 endif
  53         @: