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| author | Kees Cook <keescook@chromium.org> | 2022-05-03 13:55:01 -0700 |
|---|---|---|
| committer | Kees Cook <keescook@chromium.org> | 2022-05-08 01:33:06 -0700 |
| commit | 613f4b3ed7902d1dbbc6ade6401e452a63dfbc21 (patch) | |
| tree | f8a8d15ab7e7ae882472e52960c7cc6f2ad3d235 /scripts/Makefile.randstruct | |
| parent | 595b893e2087de306d0781795fb8ec47873596a6 (diff) | |
| download | linux-613f4b3ed7902d1dbbc6ade6401e452a63dfbc21.tar.gz linux-613f4b3ed7902d1dbbc6ade6401e452a63dfbc21.tar.bz2 linux-613f4b3ed7902d1dbbc6ade6401e452a63dfbc21.zip | |
randstruct: Split randstruct Makefile and CFLAGS
To enable the new Clang randstruct implementation[1], move
randstruct into its own Makefile and split the CFLAGS from
GCC_PLUGINS_CFLAGS into RANDSTRUCT_CFLAGS.
[1] https://reviews.llvm.org/D121556
Cc: linux-hardening@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20220503205503.3054173-5-keescook@chromium.org
Diffstat (limited to 'scripts/Makefile.randstruct')
| -rw-r--r-- | scripts/Makefile.randstruct | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/scripts/Makefile.randstruct b/scripts/Makefile.randstruct new file mode 100644 index 000000000000..4d741e6db554 --- /dev/null +++ b/scripts/Makefile.randstruct @@ -0,0 +1,14 @@ +# SPDX-License-Identifier: GPL-2.0 + +randstruct-cflags-y += -DRANDSTRUCT + +ifdef CONFIG_GCC_PLUGIN_RANDSTRUCT +randstruct-cflags-y \ + += -fplugin=$(objtree)/scripts/gcc-plugins/randomize_layout_plugin.so +randstruct-cflags-$(CONFIG_RANDSTRUCT_PERFORMANCE) \ + += -fplugin-arg-randomize_layout_plugin-performance-mode +endif + +export RANDSTRUCT_CFLAGS := $(randstruct-cflags-y) + +KBUILD_CFLAGS += $(RANDSTRUCT_CFLAGS) |