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linux-yocto/drivers/misc/lkdtm/Makefile
Sami Tolvanen 01dd633e7a drivers/misc/lkdtm: disable LTO for rodata.o 
Disable LTO for rodata.o to allow objcopy to be used to
manipulate sections.

Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Acked-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20201211184633.3213045-14-samitolvanen@google.com
2021-01-14 08:21:09 -08:00

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SPDX-License-Identifier: GPL-2.0

obj-$(CONFIG_LKDTM) += lkdtm.o

lkdtm-$(CONFIG_LKDTM) += core.o lkdtm-$(CONFIG_LKDTM) += bugs.o lkdtm-$(CONFIG_LKDTM) += heap.o lkdtm-$(CONFIG_LKDTM) += perms.o lkdtm-$(CONFIG_LKDTM) += refcount.o lkdtm-$(CONFIG_LKDTM) += rodata_objcopy.o lkdtm-$(CONFIG_LKDTM) += usercopy.o lkdtm-$(CONFIG_LKDTM) += stackleak.o lkdtm-$(CONFIG_LKDTM) += cfi.o lkdtm-$(CONFIG_LKDTM) += fortify.o lkdtm-$(CONFIG_PPC_BOOK3S_64) += powerpc.o

KASAN_SANITIZE_rodata.o := n KASAN_SANITIZE_stackleak.o := n KCOV_INSTRUMENT_rodata.o := n CFLAGS_REMOVE_rodata.o += $(CC_FLAGS_LTO)

OBJCOPYFLAGS := OBJCOPYFLAGS_rodata_objcopy.o :=
--rename-section .noinstr.text=.rodata,alloc,readonly,load targets += rodata.o rodata_objcopy.o $(obj)/rodata_objcopy.o: $(obj)/rodata.o FORCE $(call if_changed,objcopy)