18c2ecf20Sopenharmony_ci# SPDX-License-Identifier: GPL-2.0 28c2ecf20Sopenharmony_ci 38c2ecf20Sopenharmony_ci$(obj)/randomize_layout_plugin.so: $(objtree)/$(obj)/randomize_layout_seed.h 48c2ecf20Sopenharmony_ciquiet_cmd_create_randomize_layout_seed = GENSEED $@ 58c2ecf20Sopenharmony_cicmd_create_randomize_layout_seed = \ 68c2ecf20Sopenharmony_ci $(CONFIG_SHELL) $(srctree)/$(src)/gen-random-seed.sh $@ $(objtree)/include/generated/randomize_layout_hash.h 78c2ecf20Sopenharmony_ci$(objtree)/$(obj)/randomize_layout_seed.h: FORCE 88c2ecf20Sopenharmony_ci $(call if_changed,create_randomize_layout_seed) 98c2ecf20Sopenharmony_citargets += randomize_layout_seed.h randomize_layout_hash.h 108c2ecf20Sopenharmony_ci 118c2ecf20Sopenharmony_ci# Build rules for plugins 128c2ecf20Sopenharmony_ci# 138c2ecf20Sopenharmony_ci# No extra code is needed for single-file plugins. 148c2ecf20Sopenharmony_ci# For multi-file plugins, use *-objs syntax to list the objects. 158c2ecf20Sopenharmony_ci# 168c2ecf20Sopenharmony_ci# If the plugin foo.so is compiled from foo.c and foo2.c, you can do: 178c2ecf20Sopenharmony_ci# 188c2ecf20Sopenharmony_ci# foo-objs := foo.o foo2.o 198c2ecf20Sopenharmony_ci 208c2ecf20Sopenharmony_cialways-y += $(GCC_PLUGIN) 218c2ecf20Sopenharmony_ci 228c2ecf20Sopenharmony_ciGCC_PLUGINS_DIR = $(shell $(CC) -print-file-name=plugin) 238c2ecf20Sopenharmony_ci 248c2ecf20Sopenharmony_ciplugin_cxxflags = -Wp,-MMD,$(depfile) $(KBUILD_HOSTCXXFLAGS) -fPIC \ 258c2ecf20Sopenharmony_ci -I $(GCC_PLUGINS_DIR)/include -I $(obj) -std=gnu++11 \ 268c2ecf20Sopenharmony_ci -fno-rtti -fno-exceptions -fasynchronous-unwind-tables \ 278c2ecf20Sopenharmony_ci -ggdb -Wno-narrowing -Wno-unused-variable \ 288c2ecf20Sopenharmony_ci -Wno-format-diag 298c2ecf20Sopenharmony_ci 308c2ecf20Sopenharmony_ciplugin_ldflags = -shared 318c2ecf20Sopenharmony_ci 328c2ecf20Sopenharmony_ciplugin-single := $(foreach m, $(GCC_PLUGIN), $(if $($(m:%.so=%-objs)),,$(m))) 338c2ecf20Sopenharmony_ciplugin-multi := $(filter-out $(plugin-single), $(GCC_PLUGIN)) 348c2ecf20Sopenharmony_ciplugin-objs := $(sort $(foreach m, $(plugin-multi), $($(m:%.so=%-objs)))) 358c2ecf20Sopenharmony_ci 368c2ecf20Sopenharmony_citargets += $(plugin-single) $(plugin-multi) $(plugin-objs) 378c2ecf20Sopenharmony_ciclean-files += *.so 388c2ecf20Sopenharmony_ci 398c2ecf20Sopenharmony_ciplugin-single := $(addprefix $(obj)/, $(plugin-single)) 408c2ecf20Sopenharmony_ciplugin-multi := $(addprefix $(obj)/, $(plugin-multi)) 418c2ecf20Sopenharmony_ciplugin-objs := $(addprefix $(obj)/, $(plugin-objs)) 428c2ecf20Sopenharmony_ci 438c2ecf20Sopenharmony_ciquiet_cmd_plugin_cxx_so_c = HOSTCXX $@ 448c2ecf20Sopenharmony_ci cmd_plugin_cxx_so_c = $(HOSTCXX) $(plugin_cxxflags) $(plugin_ldflags) -o $@ $< 458c2ecf20Sopenharmony_ci 468c2ecf20Sopenharmony_ci$(plugin-single): $(obj)/%.so: $(src)/%.c FORCE 478c2ecf20Sopenharmony_ci $(call if_changed_dep,plugin_cxx_so_c) 488c2ecf20Sopenharmony_ci 498c2ecf20Sopenharmony_ciquiet_cmd_plugin_ld_so_o = HOSTLD $@ 508c2ecf20Sopenharmony_ci cmd_plugin_ld_so_o = $(HOSTCXX) $(plugin_ldflags) -o $@ \ 518c2ecf20Sopenharmony_ci $(addprefix $(obj)/, $($(target-stem)-objs)) 528c2ecf20Sopenharmony_ci 538c2ecf20Sopenharmony_ci$(plugin-multi): FORCE 548c2ecf20Sopenharmony_ci $(call if_changed,plugin_ld_so_o) 558c2ecf20Sopenharmony_ci$(foreach m, $(notdir $(plugin-multi)), $(eval $(obj)/$m: $(addprefix $(obj)/, $($(m:%.so=%-objs))))) 568c2ecf20Sopenharmony_ci 578c2ecf20Sopenharmony_ciquiet_cmd_plugin_cxx_o_c = HOSTCXX $@ 588c2ecf20Sopenharmony_ci cmd_plugin_cxx_o_c = $(HOSTCXX) $(plugin_cxxflags) -c -o $@ $< 598c2ecf20Sopenharmony_ci 608c2ecf20Sopenharmony_ci$(plugin-objs): $(obj)/%.o: $(src)/%.c FORCE 618c2ecf20Sopenharmony_ci $(call if_changed_dep,plugin_cxx_o_c) 62