325c844151
On modules with no executable code, LLVM generates a __cfi_check stub, but won't align it to page size as expected. This change ensures the function is at the beginning of the .text section and correctly aligned for the CFI shadow. Bug: 148458318 Change-Id: I85ea31fa851bc23988f649b021b3ac7e9d9dcb38 Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
45 lines
1.4 KiB
Makefile
45 lines
1.4 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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###
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# scripts contains sources for various helper programs used throughout
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# the kernel for the build process.
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# ---------------------------------------------------------------------------
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# kallsyms: Find all symbols in vmlinux
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HOST_EXTRACFLAGS += -I$(srctree)/tools/include
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always-$(CONFIG_BUILD_BIN2C) += bin2c
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always-$(CONFIG_KALLSYMS) += kallsyms
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always-$(BUILD_C_RECORDMCOUNT) += recordmcount
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always-$(CONFIG_BUILDTIME_TABLE_SORT) += sorttable
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always-$(CONFIG_ASN1) += asn1_compiler
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always-$(CONFIG_MODULE_SIG_FORMAT) += sign-file
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always-$(CONFIG_SYSTEM_TRUSTED_KEYRING) += extract-cert
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always-$(CONFIG_SYSTEM_EXTRA_CERTIFICATE) += insert-sys-cert
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HOSTCFLAGS_sorttable.o = -I$(srctree)/tools/include
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HOSTCFLAGS_asn1_compiler.o = -I$(srctree)/include
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HOSTLDLIBS_sign-file = -lcrypto
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HOSTLDLIBS_extract-cert = -lcrypto
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ifdef CONFIG_UNWINDER_ORC
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ifeq ($(ARCH),x86_64)
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ARCH := x86
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endif
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HOSTCFLAGS_sorttable.o += -I$(srctree)/tools/arch/x86/include
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HOSTCFLAGS_sorttable.o += -DUNWINDER_ORC_ENABLED
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HOSTLDLIBS_sorttable = -lpthread
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endif
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hostprogs := $(always-y) $(always-m)
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# The following programs are only built on demand
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hostprogs += unifdef
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extra-$(CONFIG_LTO_CLANG) += module-lto.lds
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subdir-$(CONFIG_GCC_PLUGINS) += gcc-plugins
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subdir-$(CONFIG_MODVERSIONS) += genksyms
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subdir-$(CONFIG_SECURITY_SELINUX) += selinux
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# Let clean descend into subdirs
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subdir- += basic dtc gdb kconfig mod
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