Something went wrong. Try again.
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Something went wrong. Try again.
2.7 kB · 72 lines
Makefile
at master
12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273# SPDX-License-Identifier: GPL-2.0
$(obj)/randomize_layout_plugin.so: $(obj)/randomize_layout_seed.hquiet_cmd_create_randomize_layout_seed = SEEDHDR $@cmd_create_randomize_layout_seed = \ SEED=$$(cat $(filter-out FORCE,$^) </dev/null); \ echo '/*' > $@; \ echo ' * This file is automatically generated. Keep it private.' >> $@; \ echo ' * Exposing this value will expose the layout of randomized structures.' >> $@; \ echo ' */' >> $@; \ echo "const char *randstruct_seed = \"$$SEED\";" >> $@$(obj)/randomize_layout_seed.h: $(objtree)/scripts/basic/randstruct.seed FORCE $(call if_changed,create_randomize_layout_seed)targets += randomize_layout_seed.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 $(srctree)/include/linux/compiler-version.h \ -DPLUGIN_VERSION=$(call stringify,$(KERNELVERSION)) \ -I $(GCC_PLUGINS_DIR)/include -I $(obj) \ -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)
$(obj)/../../include/generated/gcc-plugins.h: $(plugin-single) $(plugin-multi) FORCE $(call if_changed,touch)always-y += ../../include/generated/gcc-plugins.h