1 # SPDX-License-Identifier: GPL-2.0
2
3 $(obj)/randomize_layout_plugin.so: $(obj)/rand
4 quiet_cmd_create_randomize_layout_seed = SEEDH
5 cmd_create_randomize_layout_seed = \
6 SEED=$$(cat $(filter-out FORCE,$^) </d
7 echo '/*' > $@; \
8 echo ' * This file is automatically ge
9 echo ' * Exposing this value will expo
10 echo ' */' >> $@; \
11 echo "const char *randstruct_seed = \"
12 $(obj)/randomize_layout_seed.h: $(objtree)/scr
13 $(call if_changed,create_randomize_lay
14 targets += randomize_layout_seed.h
15
16 # Build rules for plugins
17 #
18 # No extra code is needed for single-file plug
19 # For multi-file plugins, use *-objs syntax to
20 #
21 # If the plugin foo.so is compiled from foo.c
22 #
23 # foo-objs := foo.o foo2.o
24
25 always-y += $(GCC_PLUGIN)
26
27 GCC_PLUGINS_DIR = $(shell $(CC) -print-file-na
28
29 plugin_cxxflags = -Wp,-MMD,$(depfile) $(KBUILD
30 -include $(srctree)/include/
31 -DPLUGIN_VERSION=$(call stri
32 -I $(GCC_PLUGINS_DIR)/includ
33 -fno-rtti -fno-exceptions -f
34 -ggdb -Wno-narrowing -Wno-un
35 -Wno-format-diag
36
37 plugin_ldflags = -shared
38
39 plugin-single := $(foreach m, $(GCC_PLUGIN),
40 plugin-multi := $(filter-out $(plugin-singl
41 plugin-objs := $(sort $(foreach m, $(plugi
42
43 targets += $(plugin-single) $(plugin-multi) $(
44 clean-files += *.so
45
46 plugin-single := $(addprefix $(obj)/, $(plug
47 plugin-multi := $(addprefix $(obj)/, $(plug
48 plugin-objs := $(addprefix $(obj)/, $(plug
49
50 quiet_cmd_plugin_cxx_so_c = HOSTCXX $@
51 cmd_plugin_cxx_so_c = $(HOSTCXX) $(plugi
52
53 $(plugin-single): $(obj)/%.so: $(src)/%.c FORC
54 $(call if_changed_dep,plugin_cxx_so_c)
55
56 quiet_cmd_plugin_ld_so_o = HOSTLD $@
57 cmd_plugin_ld_so_o = $(HOSTCXX) $(plugin
58 $(addprefix $(obj)/
59
60 $(plugin-multi): FORCE
61 $(call if_changed,plugin_ld_so_o)
62 $(foreach m, $(notdir $(plugin-multi)), $(eval
63
64 quiet_cmd_plugin_cxx_o_c = HOSTCXX $@
65 cmd_plugin_cxx_o_c = $(HOSTCXX) $(plugin
66
67 $(plugin-objs): $(obj)/%.o: $(src)/%.c FORCE
68 $(call if_changed_dep,plugin_cxx_o_c)
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