Ything-RepoMirrors/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-01-24 23:16:46 +00:00
Code Issues Packages Projects Releases Wiki Activity

randstruct: Split randstruct Makefile and CFLAGS

Browse Source 
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
This commit is contained in:
Kees Cook
2022-05-03 13:55:01 -07:00
parent 595b893e20
commit 613f4b3ed7
7 changed files with 24 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
scripts/Makefile.randstruct Normal file
View File

@@ -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)