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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /scripts/gcc-plugins/Makefile
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'scripts/gcc-plugins/Makefile')
-rw-r--r--scripts/gcc-plugins/Makefile68
1 files changed, 68 insertions, 0 deletions
diff --git a/scripts/gcc-plugins/Makefile b/scripts/gcc-plugins/Makefile
new file mode 100644
index 000000000..320afd3cf
--- /dev/null
+++ b/scripts/gcc-plugins/Makefile
@@ -0,0 +1,68 @@
+# SPDX-License-Identifier: GPL-2.0
+
+$(obj)/randomize_layout_plugin.so: $(obj)/randomize_layout_seed.h
+quiet_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)