Commit | Line | Data |
---|---|---|
b2441318 | 1 | # SPDX-License-Identifier: GPL-2.0 |
6b90bd4b | 2 | |
42640b13 | 3 | $(obj)/randomize_layout_plugin.so: $(objtree)/$(obj)/randomize_layout_seed.h |
313dd1b6 KC |
4 | quiet_cmd_create_randomize_layout_seed = GENSEED $@ |
5 | cmd_create_randomize_layout_seed = \ | |
6 | $(CONFIG_SHELL) $(srctree)/$(src)/gen-random-seed.sh $@ $(objtree)/include/generated/randomize_layout_hash.h | |
7 | $(objtree)/$(obj)/randomize_layout_seed.h: FORCE | |
8 | $(call if_changed,create_randomize_layout_seed) | |
42640b13 MY |
9 | targets += randomize_layout_seed.h randomize_layout_hash.h |
10 | ||
11 | # Build rules for plugins | |
12 | # | |
13 | # No extra code is needed for single-file plugins. | |
14 | # For multi-file plugins, use *-objs syntax to list the objects. | |
15 | # | |
16 | # If the plugin foo.so is compiled from foo.c and foo2.c, you can do: | |
17 | # | |
18 | # foo-objs := foo.o foo2.o | |
19 | ||
20 | always-y += $(GCC_PLUGIN) | |
313dd1b6 | 21 | |
42640b13 | 22 | GCC_PLUGINS_DIR = $(shell $(CC) -print-file-name=plugin) |
6b90bd4b | 23 | |
42640b13 | 24 | plugin_cxxflags = -Wp,-MMD,$(depfile) $(KBUILD_HOSTCXXFLAGS) -fPIC \ |
67a5a680 | 25 | -I $(GCC_PLUGINS_DIR)/include -I $(obj) -std=gnu++11 \ |
42640b13 | 26 | -fno-rtti -fno-exceptions -fasynchronous-unwind-tables \ |
67a5a680 | 27 | -ggdb -Wno-narrowing -Wno-unused-variable \ |
42640b13 | 28 | -Wno-format-diag |
543c37cb | 29 | |
42640b13 MY |
30 | plugin_ldflags = -shared |
31 | ||
32 | plugin-single := $(foreach m, $(GCC_PLUGIN), $(if $($(m:%.so=%-objs)),,$(m))) | |
33 | plugin-multi := $(filter-out $(plugin-single), $(GCC_PLUGIN)) | |
34 | plugin-objs := $(sort $(foreach m, $(plugin-multi), $($(m:%.so=%-objs)))) | |
35 | ||
36 | targets += $(plugin-single) $(plugin-multi) $(plugin-objs) | |
6b90bd4b | 37 | clean-files += *.so |
42640b13 MY |
38 | |
39 | plugin-single := $(addprefix $(obj)/, $(plugin-single)) | |
40 | plugin-multi := $(addprefix $(obj)/, $(plugin-multi)) | |
41 | plugin-objs := $(addprefix $(obj)/, $(plugin-objs)) | |
42 | ||
43 | quiet_cmd_plugin_cxx_so_c = HOSTCXX $@ | |
44 | cmd_plugin_cxx_so_c = $(HOSTCXX) $(plugin_cxxflags) $(plugin_ldflags) -o $@ $< | |
45 | ||
46 | $(plugin-single): $(obj)/%.so: $(src)/%.c FORCE | |
47 | $(call if_changed_dep,plugin_cxx_so_c) | |
48 | ||
49 | quiet_cmd_plugin_ld_so_o = HOSTLD $@ | |
50 | cmd_plugin_ld_so_o = $(HOSTCXX) $(plugin_ldflags) -o $@ \ | |
51 | $(addprefix $(obj)/, $($(target-stem)-objs)) | |
52 | ||
53 | $(plugin-multi): FORCE | |
54 | $(call if_changed,plugin_ld_so_o) | |
55 | $(foreach m, $(notdir $(plugin-multi)), $(eval $(obj)/$m: $(addprefix $(obj)/, $($(m:%.so=%-objs))))) | |
56 | ||
57 | quiet_cmd_plugin_cxx_o_c = HOSTCXX $@ | |
58 | cmd_plugin_cxx_o_c = $(HOSTCXX) $(plugin_cxxflags) -c -o $@ $< | |
59 | ||
60 | $(plugin-objs): $(obj)/%.o: $(src)/%.c FORCE | |
61 | $(call if_changed_dep,plugin_cxx_o_c) |