Commit | Line | Data |
---|---|---|
b2441318 | 1 | # SPDX-License-Identifier: GPL-2.0 |
6b90bd4b ER |
2 | ifdef CONFIG_GCC_PLUGINS |
3 | __PLUGINCC := $(call cc-ifversion, -ge, 0408, $(HOSTCXX), $(HOSTCC)) | |
4 | PLUGINCC := $(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-plugin.sh "$(__PLUGINCC)" "$(HOSTCXX)" "$(CC)") | |
5 | ||
543c37cb ER |
6 | SANCOV_PLUGIN := -fplugin=$(objtree)/scripts/gcc-plugins/sancov_plugin.so |
7 | ||
0dae776c | 8 | gcc-plugin-$(CONFIG_GCC_PLUGIN_CYC_COMPLEXITY) += cyc_complexity_plugin.so |
543c37cb | 9 | |
38addce8 ER |
10 | gcc-plugin-$(CONFIG_GCC_PLUGIN_LATENT_ENTROPY) += latent_entropy_plugin.so |
11 | gcc-plugin-cflags-$(CONFIG_GCC_PLUGIN_LATENT_ENTROPY) += -DLATENT_ENTROPY_PLUGIN | |
7b4010ed | 12 | ifdef CONFIG_GCC_PLUGIN_LATENT_ENTROPY |
38addce8 ER |
13 | DISABLE_LATENT_ENTROPY_PLUGIN += -fplugin-arg-latent_entropy_plugin-disable |
14 | endif | |
15 | ||
543c37cb | 16 | ifdef CONFIG_GCC_PLUGIN_SANCOV |
543c37cb ER |
17 | # It is needed because of the gcc-plugin.sh and gcc version checks. |
18 | gcc-plugin-$(CONFIG_GCC_PLUGIN_SANCOV) += sancov_plugin.so | |
19 | ||
5aadfdeb | 20 | ifeq ($(PLUGINCC),) |
543c37cb ER |
21 | $(warning warning: cannot use CONFIG_KCOV: -fsanitize-coverage=trace-pc is not supported by compiler) |
22 | endif | |
543c37cb ER |
23 | endif |
24 | ||
c61f13ea KC |
25 | gcc-plugin-$(CONFIG_GCC_PLUGIN_STRUCTLEAK) += structleak_plugin.so |
26 | gcc-plugin-cflags-$(CONFIG_GCC_PLUGIN_STRUCTLEAK_VERBOSE) += -fplugin-arg-structleak_plugin-verbose | |
f7dd2507 | 27 | gcc-plugin-cflags-$(CONFIG_GCC_PLUGIN_STRUCTLEAK_BYREF_ALL) += -fplugin-arg-structleak_plugin-byref-all |
c61f13ea KC |
28 | gcc-plugin-cflags-$(CONFIG_GCC_PLUGIN_STRUCTLEAK) += -DSTRUCTLEAK_PLUGIN |
29 | ||
313dd1b6 KC |
30 | gcc-plugin-$(CONFIG_GCC_PLUGIN_RANDSTRUCT) += randomize_layout_plugin.so |
31 | gcc-plugin-cflags-$(CONFIG_GCC_PLUGIN_RANDSTRUCT) += -DRANDSTRUCT_PLUGIN | |
32 | gcc-plugin-cflags-$(CONFIG_GCC_PLUGIN_RANDSTRUCT_PERFORMANCE) += -fplugin-arg-randomize_layout_plugin-performance-mode | |
33 | ||
65d59ec8 | 34 | GCC_PLUGINS_CFLAGS := $(strip $(addprefix -fplugin=$(objtree)/scripts/gcc-plugins/, $(gcc-plugin-y)) $(gcc-plugin-cflags-y)) |
6b90bd4b | 35 | |
38addce8 | 36 | export PLUGINCC GCC_PLUGINS_CFLAGS GCC_PLUGIN GCC_PLUGIN_SUBDIR |
5aadfdeb | 37 | export DISABLE_LATENT_ENTROPY_PLUGIN |
6b90bd4b | 38 | |
ed58c0e9 KC |
39 | ifneq ($(PLUGINCC),) |
40 | # SANCOV_PLUGIN can be only in CFLAGS_KCOV because avoid duplication. | |
41 | GCC_PLUGINS_CFLAGS := $(filter-out $(SANCOV_PLUGIN), $(GCC_PLUGINS_CFLAGS)) | |
42 | endif | |
43 | ||
44 | KBUILD_CFLAGS += $(GCC_PLUGINS_CFLAGS) | |
45 | GCC_PLUGIN := $(gcc-plugin-y) | |
caefd8c9 | 46 | GCC_PLUGIN_SUBDIR := $(gcc-plugin-subdir-y) |
ed58c0e9 KC |
47 | endif |
48 | ||
49 | # If plugins aren't supported, abort the build before hard-to-read compiler | |
50 | # errors start getting spewed by the main build. | |
51 | PHONY += gcc-plugins-check | |
52 | gcc-plugins-check: FORCE | |
53 | ifdef CONFIG_GCC_PLUGINS | |
6b90bd4b ER |
54 | ifeq ($(PLUGINCC),) |
55 | ifneq ($(GCC_PLUGINS_CFLAGS),) | |
56 | ifeq ($(call cc-ifversion, -ge, 0405, y), y) | |
ed58c0e9 KC |
57 | $(Q)$(srctree)/scripts/gcc-plugin.sh --show-error "$(__PLUGINCC)" "$(HOSTCXX)" "$(CC)" || true |
58 | @echo "Cannot use CONFIG_GCC_PLUGINS: your gcc installation does not support plugins, perhaps the necessary headers are missing?" >&2 && exit 1 | |
6b90bd4b | 59 | else |
ed58c0e9 | 60 | @echo "Cannot use CONFIG_GCC_PLUGINS: your gcc version does not support plugins, you should upgrade it to at least gcc 4.5" >&2 && exit 1 |
6b90bd4b ER |
61 | endif |
62 | endif | |
63 | endif | |
ed58c0e9 KC |
64 | endif |
65 | @: | |
6b90bd4b | 66 | |
ed58c0e9 KC |
67 | # Actually do the build, if requested. |
68 | PHONY += gcc-plugins | |
69 | gcc-plugins: scripts_basic gcc-plugins-check | |
70 | ifdef CONFIG_GCC_PLUGINS | |
71 | $(Q)$(MAKE) $(build)=scripts/gcc-plugins | |
6b90bd4b | 72 | endif |
ed58c0e9 | 73 | @: |