cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

Makefile (2578B)


      1# SPDX-License-Identifier: GPL-2.0
      2
      3$(obj)/randomize_layout_plugin.so: $(obj)/randomize_layout_seed.h
      4quiet_cmd_create_randomize_layout_seed = SEEDHDR $@
      5cmd_create_randomize_layout_seed = \
      6	SEED=$$(cat $(filter-out FORCE,$^) </dev/null); \
      7	echo '/*' > $@; \
      8	echo ' * This file is automatically generated. Keep it private.' >> $@; \
      9	echo ' * Exposing this value will expose the layout of randomized structures.' >> $@; \
     10	echo ' */' >> $@; \
     11	echo "const char *randstruct_seed = \"$$SEED\";" >> $@
     12$(obj)/randomize_layout_seed.h: $(objtree)/scripts/basic/randstruct.seed FORCE
     13	$(call if_changed,create_randomize_layout_seed)
     14targets += randomize_layout_seed.h
     15
     16# Build rules for plugins
     17#
     18# No extra code is needed for single-file plugins.
     19# For multi-file plugins, use *-objs syntax to list the objects.
     20#
     21# If the plugin foo.so is compiled from foo.c and foo2.c, you can do:
     22#
     23# foo-objs := foo.o foo2.o
     24
     25always-y += $(GCC_PLUGIN)
     26
     27GCC_PLUGINS_DIR = $(shell $(CC) -print-file-name=plugin)
     28
     29plugin_cxxflags	= -Wp,-MMD,$(depfile) $(KBUILD_HOSTCXXFLAGS) -fPIC \
     30		  -include $(srctree)/include/linux/compiler-version.h \
     31		  -DPLUGIN_VERSION=$(call stringify,$(KERNELVERSION)) \
     32		  -I $(GCC_PLUGINS_DIR)/include -I $(obj) -std=gnu++11 \
     33		  -fno-rtti -fno-exceptions -fasynchronous-unwind-tables \
     34		  -ggdb -Wno-narrowing -Wno-unused-variable \
     35		  -Wno-format-diag
     36
     37plugin_ldflags	= -shared
     38
     39plugin-single	:= $(foreach m, $(GCC_PLUGIN), $(if $($(m:%.so=%-objs)),,$(m)))
     40plugin-multi	:= $(filter-out $(plugin-single), $(GCC_PLUGIN))
     41plugin-objs	:= $(sort $(foreach m, $(plugin-multi), $($(m:%.so=%-objs))))
     42
     43targets += $(plugin-single) $(plugin-multi) $(plugin-objs)
     44clean-files += *.so
     45
     46plugin-single	:= $(addprefix $(obj)/, $(plugin-single))
     47plugin-multi	:= $(addprefix $(obj)/, $(plugin-multi))
     48plugin-objs	:= $(addprefix $(obj)/, $(plugin-objs))
     49
     50quiet_cmd_plugin_cxx_so_c = HOSTCXX $@
     51      cmd_plugin_cxx_so_c = $(HOSTCXX) $(plugin_cxxflags) $(plugin_ldflags) -o $@ $<
     52
     53$(plugin-single): $(obj)/%.so: $(src)/%.c FORCE
     54	$(call if_changed_dep,plugin_cxx_so_c)
     55
     56quiet_cmd_plugin_ld_so_o = HOSTLD  $@
     57      cmd_plugin_ld_so_o = $(HOSTCXX) $(plugin_ldflags) -o $@ \
     58			   $(addprefix $(obj)/, $($(target-stem)-objs))
     59
     60$(plugin-multi): FORCE
     61	$(call if_changed,plugin_ld_so_o)
     62$(foreach m, $(notdir $(plugin-multi)), $(eval $(obj)/$m: $(addprefix $(obj)/, $($(m:%.so=%-objs)))))
     63
     64quiet_cmd_plugin_cxx_o_c = HOSTCXX $@
     65      cmd_plugin_cxx_o_c = $(HOSTCXX) $(plugin_cxxflags) -c -o $@ $<
     66
     67$(plugin-objs): $(obj)/%.o: $(src)/%.c FORCE
     68	$(call if_changed_dep,plugin_cxx_o_c)