# SPDX-License-Identifier: GPL-2.0 $(obj)/randomize_layout_plugin.so: $(objtree)/$(obj)/randomize_layout_seed.hquiet_cmd_create_randomize_layout_seed = GENSEED $@cmd_create_randomize_layout_seed = \  $(CONFIG_SHELL) $(srctree)/$(src)/gen-random-seed.sh $@ $(objtree)/include/generated/randomize_layout_hash.h$(objtree)/$(obj)/randomize_layout_seed.h: FORCE	$(call if_changed,create_randomize_layout_seed)targets += randomize_layout_seed.h randomize_layout_hash.h # Build rules for plugins## No extra code is needed for single-file plugins.# For multi-file plugins, use *-objs syntax to list the objects.## If the plugin foo.so is compiled from foo.c and foo2.c, you can do:## foo-objs := foo.o foo2.o always-y += $(GCC_PLUGIN) GCC_PLUGINS_DIR = $(shell $(CC) -print-file-name=plugin) plugin_cxxflags	= -Wp,-MMD,$(depfile) $(KBUILD_HOSTCXXFLAGS) -fPIC \		  -include $(srctree)/include/linux/compiler-version.h \		   -I $(GCC_PLUGINS_DIR)/include -I $(obj) -std=gnu++11 \		   -fno-rtti -fno-exceptions -fasynchronous-unwind-tables \		   -ggdb -Wno-narrowing -Wno-unused-variable \		   -Wno-format-diag plugin_ldflags	= -shared plugin-single	:= $(foreach m, $(GCC_PLUGIN), $(if $($(m:%.so=%-objs)),,$(m)))plugin-multi	:= $(filter-out $(plugin-single), $(GCC_PLUGIN))plugin-objs	:= $(sort $(foreach m, $(plugin-multi), $($(m:%.so=%-objs)))) targets += $(plugin-single) $(plugin-multi) $(plugin-objs)clean-files += *.so plugin-single	:= $(addprefix $(obj)/, $(plugin-single))plugin-multi	:= $(addprefix $(obj)/, $(plugin-multi))plugin-objs	:= $(addprefix $(obj)/, $(plugin-objs)) quiet_cmd_plugin_cxx_so_c = HOSTCXX $@      cmd_plugin_cxx_so_c = $(HOSTCXX) $(plugin_cxxflags) $(plugin_ldflags) -o $@ $< $(plugin-single): $(obj)/%.so: $(src)/%.c FORCE	$(call if_changed_dep,plugin_cxx_so_c) quiet_cmd_plugin_ld_so_o = HOSTLD  $@      cmd_plugin_ld_so_o = $(HOSTCXX) $(plugin_ldflags) -o $@ \			   $(addprefix $(obj)/, $($(target-stem)-objs)) $(plugin-multi): FORCE	$(call if_changed,plugin_ld_so_o)$(foreach m, $(notdir $(plugin-multi)), $(eval $(obj)/$m: $(addprefix $(obj)/, $($(m:%.so=%-objs))))) quiet_cmd_plugin_cxx_o_c = HOSTCXX $@      cmd_plugin_cxx_o_c = $(HOSTCXX) $(plugin_cxxflags) -c -o $@ $< $(plugin-objs): $(obj)/%.o: $(src)/%.c FORCE	$(call if_changed_dep,plugin_cxx_o_c)