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authorKees Cook <keescook@chromium.org>2016-02-22 14:09:29 -0800
committerKees Cook <keescook@chromium.org>2016-06-10 15:57:50 -0700
commit9a49a528dcf3c2022ff89f700d5d0345b9abf288 (patch)
tree946dc7b2e73cf54e9b349f881970d47755060c42 /drivers/misc/Makefile
parent426f3a53d4a1ffbe228f268e5c4af148686b7346 (diff)
downloadlinux-9a49a528dcf3c2022ff89f700d5d0345b9abf288.tar.bz2
lkdtm: add function for testing .rodata section
This adds a function that lives in the .rodata section. The section flags are corrected using objcopy since there is no way with gcc to declare section flags in an architecture-agnostic way. Signed-off-by: Kees Cook <keescook@chromium.org>
Diffstat (limited to 'drivers/misc/Makefile')
-rw-r--r--drivers/misc/Makefile8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile
index c3cb6ad8cc37..7d45ed4a1549 100644
--- a/drivers/misc/Makefile
+++ b/drivers/misc/Makefile
@@ -59,3 +59,11 @@ obj-$(CONFIG_CXL_BASE) += cxl/
obj-$(CONFIG_PANEL) += panel.o
lkdtm-$(CONFIG_LKDTM) += lkdtm_core.o
+lkdtm-$(CONFIG_LKDTM) += lkdtm_rodata_objcopy.o
+
+OBJCOPYFLAGS :=
+OBJCOPYFLAGS_lkdtm_rodata_objcopy.o := \
+ --set-section-flags .text=alloc,readonly \
+ --rename-section .text=.rodata
+$(obj)/lkdtm_rodata_objcopy.o: $(obj)/lkdtm_rodata.o
+ $(call if_changed,objcopy)