0d81b359a7
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>
53 lines
1.9 KiB
Makefile
53 lines
1.9 KiB
Makefile
###
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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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# pnmttologo: Convert pnm files to logo files
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# conmakehash: Create chartable
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# conmakehash: Create arrays for initializing the kernel console tables
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# docproc: Used in Documentation/DocBook
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# check-lc_ctype: Used in Documentation/DocBook
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HOST_EXTRACFLAGS += -I$(srctree)/tools/include
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hostprogs-$(CONFIG_KALLSYMS) += kallsyms
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hostprogs-$(CONFIG_LOGO) += pnmtologo
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hostprogs-$(CONFIG_VT) += conmakehash
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hostprogs-$(BUILD_C_RECORDMCOUNT) += recordmcount
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hostprogs-$(CONFIG_BUILDTIME_EXTABLE_SORT) += sortextable
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hostprogs-$(CONFIG_ASN1) += asn1_compiler
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hostprogs-$(CONFIG_MODULE_SIG) += sign-file
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hostprogs-$(CONFIG_SYSTEM_TRUSTED_KEYRING) += extract-cert
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hostprogs-$(CONFIG_SYSTEM_EXTRA_CERTIFICATE) += insert-sys-cert
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HOSTCFLAGS_sortextable.o = -I$(srctree)/tools/include
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HOSTCFLAGS_asn1_compiler.o = -I$(srctree)/include
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HOSTLOADLIBES_sign-file = -lcrypto
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HOSTLOADLIBES_extract-cert = -lcrypto
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always := $(hostprogs-y) $(hostprogs-m)
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# The following hostprogs-y programs are only build on demand
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hostprogs-y += unifdef docproc check-lc_ctype
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extra-$(CONFIG_LTO_CLANG) += module-lto.lds
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# These targets are used internally to avoid "is up to date" messages
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PHONY += build_unifdef build_docproc build_check-lc_ctype
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build_unifdef: $(obj)/unifdef
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@:
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build_docproc: $(obj)/docproc
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@:
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build_check-lc_ctype: $(obj)/check-lc_ctype
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@:
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subdir-$(CONFIG_MODVERSIONS) += genksyms
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subdir-y += mod
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subdir-$(CONFIG_SECURITY_SELINUX) += selinux
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subdir-$(CONFIG_DTC) += dtc
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subdir-$(CONFIG_GDB_SCRIPTS) += gdb
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subdir-$(CONFIG_EXYNOS_DTBTOOL) += dtbtool_exynos
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# Let clean descend into subdirs
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subdir- += basic kconfig package gcc-plugins
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