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authorNick Terrell <terrelln@fb.com>2022-12-13 16:21:55 -0800
committerNick Terrell <terrelln@fb.com>2022-12-13 16:21:55 -0800
commit4f2c0a4acffbec01079c28f839422e64ddeff004 (patch)
tree06ada4a8a6d94a94c93944806041b8c994cebfc5 /scripts/Makefile.randstruct
parent88a309465b3f05a100c3b81966982c0f9f5d23a6 (diff)
parent830b3c68c1fb1e9176028d02ef86f3cf76aa2476 (diff)
Merge branch 'main' into zstd-linus
Diffstat (limited to 'scripts/Makefile.randstruct')
-rw-r--r--scripts/Makefile.randstruct17
1 files changed, 17 insertions, 0 deletions
diff --git a/scripts/Makefile.randstruct b/scripts/Makefile.randstruct
new file mode 100644
index 000000000000..24e283e89893
--- /dev/null
+++ b/scripts/Makefile.randstruct
@@ -0,0 +1,17 @@
+# 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
+else
+randstruct-cflags-y \
+ += -frandomize-layout-seed-file=$(objtree)/scripts/basic/randstruct.seed
+endif
+
+export RANDSTRUCT_CFLAGS := $(randstruct-cflags-y)
+
+KBUILD_CFLAGS += $(RANDSTRUCT_CFLAGS)