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22ef11ee47
By default LLD links with relocations disallowed against readonly sections (e.g., .text), but the 32-bit ARM EFI & uboot boot bits require such relocations. -znotext is either ignored as an unknown -z option (in-tree lld 2.17.50) or is already the default (GNU ld or GNU gold from ports) so we can just add it unconditionally to allow building with LLD. This is similar to the change in r320179 for the kernel link. Sponsored by: The FreeBSD Foundation
154 lines
3.9 KiB
Makefile
154 lines
3.9 KiB
Makefile
# $FreeBSD$
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MAN=
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.include <src.opts.mk>
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MK_SSP= no
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PROG= boot1.sym
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INTERNALPROG=
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WARNS?= 6
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.if ${MK_ZFS} != "no"
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# Disable warnings that are currently incompatible with the zfs boot code
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CWARNFLAGS.zfs_module.c += -Wno-array-bounds
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CWARNFLAGS.zfs_module.c += -Wno-cast-align
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CWARNFLAGS.zfs_module.c += -Wno-cast-qual
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CWARNFLAGS.zfs_module.c += -Wno-missing-prototypes
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CWARNFLAGS.zfs_module.c += -Wno-sign-compare
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CWARNFLAGS.zfs_module.c += -Wno-unused-parameter
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CWARNFLAGS.zfs_module.c += -Wno-unused-function
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CWARNFLAGS.skein.c += -Wno-cast-align
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.if ${COMPILER_TYPE} == "clang"
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CWARNFLAGS.skein.c += -Wno-missing-variable-declarations
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.else if ${COMPILER_TYPE} == "gcc"
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CWARNFLAGS.skein.c += -Wno-missing-declarations
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.endif
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.endif
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# architecture-specific loader code
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SRCS= boot1.c self_reloc.c start.S ufs_module.c
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.if ${MK_ZFS} != "no"
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SRCS+= zfs_module.c
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SRCS+= skein.c skein_block.c
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# Do not unroll skein loops, reduce code size
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CFLAGS+= -DSKEIN_LOOP=111
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.PATH: ${.CURDIR}/../../../crypto/skein
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.endif
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.if ${COMPILER_TYPE} == "gcc" && ${COMPILER_VERSION} > 40201
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CWARNFLAGS.self_reloc.c+= -Wno-error=maybe-uninitialized
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.endif
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CFLAGS+= -I.
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CFLAGS+= -I${.CURDIR}/../include
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CFLAGS+= -I${.CURDIR}/../include/${MACHINE}
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CFLAGS+= -I${.CURDIR}/../../../contrib/dev/acpica/include
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CFLAGS+= -I${.CURDIR}/../../..
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CFLAGS+= -DEFI_UFS_BOOT
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.ifdef(EFI_DEBUG)
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CFLAGS+= -DEFI_DEBUG
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.endif
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.if ${MK_ZFS} != "no"
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CFLAGS+= -I${.CURDIR}/../../zfs/
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CFLAGS+= -I${.CURDIR}/../../../cddl/boot/zfs/
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CFLAGS+= -I${.CURDIR}/../../../crypto/skein
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CFLAGS+= -DEFI_ZFS_BOOT
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.endif
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# Always add MI sources and REGULAR efi loader bits
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.PATH: ${.CURDIR}/../loader/arch/${MACHINE}
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.PATH: ${.CURDIR}/../loader
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.PATH: ${.CURDIR}/../../common
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CFLAGS+= -I${.CURDIR}/../../common
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FILES= boot1.efi boot1.efifat
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FILESMODE_boot1.efi= ${BINMODE}
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LDSCRIPT= ${.CURDIR}/../loader/arch/${MACHINE}/ldscript.${MACHINE}
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LDFLAGS+= -Wl,-T${LDSCRIPT},-Bsymbolic,-znotext -shared
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.if ${MACHINE_CPUARCH} == "aarch64"
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CFLAGS+= -mgeneral-regs-only
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.endif
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.if ${MACHINE_CPUARCH} == "amd64" || ${MACHINE_CPUARCH} == "i386"
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CFLAGS+= -fPIC
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LDFLAGS+= -Wl,-znocombreloc
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.endif
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#
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# Add libstand for the runtime functions used by the compiler - for example
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# __aeabi_* (arm) or __divdi3 (i386).
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# as well as required string and memory functions for all platforms.
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#
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DPADD+= ${LIBSTAND}
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LDADD+= -lstand
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DPADD+= ${LDSCRIPT}
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NM?= nm
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OBJCOPY?= objcopy
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.if ${MACHINE_CPUARCH} == "amd64"
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EFI_TARGET= efi-app-x86_64
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.elif ${MACHINE_CPUARCH} == "i386"
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EFI_TARGET= efi-app-ia32
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.else
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EFI_TARGET= binary
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.endif
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# Arbitrarily set the PE/COFF header timestamps to 1 Jan 2016 00:00:00
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# for build reproducibility.
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SOURCE_DATE_EPOCH?=1451606400
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boot1.efi: ${PROG}
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if ${NM} ${.ALLSRC} | grep ' U '; then \
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echo "Undefined symbols in ${.ALLSRC}"; \
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exit 1; \
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fi
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SOURCE_DATE_EPOCH=${SOURCE_DATE_EPOCH} \
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${OBJCOPY} -j .peheader -j .text -j .sdata -j .data \
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-j .dynamic -j .dynsym -j .rel.dyn \
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-j .rela.dyn -j .reloc -j .eh_frame \
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--output-target=${EFI_TARGET} ${.ALLSRC} ${.TARGET}
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boot1.o: ${.CURDIR}/../../common/ufsread.c
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# The following inserts our objects into a template FAT file system
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# created by generate-fat.sh
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.include "${.CURDIR}/Makefile.fat"
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BOOT1_MAXSIZE?= 131072
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boot1.efifat: boot1.efi
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@set -- `ls -l ${.ALLSRC}`; \
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x=$$(($$5-${BOOT1_MAXSIZE})); \
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if [ $$x -ge 0 ]; then \
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echo "boot1 $$x bytes too large; regenerate FAT templates?" >&2 ;\
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exit 1; \
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fi
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echo ${.OBJDIR}
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uudecode ${.CURDIR}/fat-${MACHINE}.tmpl.bz2.uu
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mv fat-${MACHINE}.tmpl.bz2 ${.TARGET}.bz2
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bzip2 -f -d ${.TARGET}.bz2
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${DD} if=${.ALLSRC} of=${.TARGET} seek=${BOOT1_OFFSET} conv=notrunc
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CLEANFILES= boot1.efi boot1.efifat
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.include <bsd.prog.mk>
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beforedepend ${OBJS}: machine
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CLEANFILES+= machine
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machine: .NOMETA
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ln -sf ${.CURDIR}/../../../${MACHINE}/include machine
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.if ${MACHINE_CPUARCH} == "amd64" || ${MACHINE_CPUARCH} == "i386"
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beforedepend ${OBJS}: x86
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CLEANFILES+= x86
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x86: .NOMETA
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ln -sf ${.CURDIR}/../../../x86/include x86
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.endif
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