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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
172 lines
4.3 KiB
Makefile
172 lines
4.3 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= loader.sym
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INTERNALPROG=
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WARNS?= 3
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LOADER_NET_SUPPORT?= yes
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# architecture-specific loader code
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SRCS= autoload.c \
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bootinfo.c \
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conf.c \
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copy.c \
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devicename.c \
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main.c \
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self_reloc.c \
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smbios.c \
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vers.c
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.if ${MK_ZFS} != "no"
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SRCS+= zfs.c
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.PATH: ${.CURDIR}/../../zfs
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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: ${.CURDIR}/../../../crypto/skein
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# Disable warnings that are currently incompatible with the zfs boot code
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CWARNFLAGS.zfs.c+= -Wno-sign-compare
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CWARNFLAGS.zfs.c+= -Wno-array-bounds
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CWARNFLAGS.zfs.c+= -Wno-missing-prototypes
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.endif
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.if defined(LOADER_NET_SUPPORT)
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CFLAGS+= -I${.CURDIR}/../../../../lib/libstand
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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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# We implement a slightly non-standard %S in that it always takes a
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# CHAR16 that's common in UEFI-land instead of a wchar_t. This only
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# seems to matter on arm64 where wchar_t defaults to an int instead
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# of a short. There's no good cast to use here so just ignore the
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# warnings for now.
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CWARNFLAGS.main.c+= -Wno-format
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.PATH: ${.CURDIR}/arch/${MACHINE}
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# For smbios.c
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.PATH: ${.CURDIR}/../../i386/libi386
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.include "${.CURDIR}/arch/${MACHINE}/Makefile.inc"
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CFLAGS+= -I${.CURDIR}
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CFLAGS+= -I${.CURDIR}/arch/${MACHINE}
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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${.CURDIR}/../../..
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CFLAGS+= -I${.CURDIR}/../../i386/libi386
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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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CFLAGS+= -DNO_PCI -DEFI
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.if !defined(BOOT_HIDE_SERIAL_NUMBERS)
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# Export serial numbers, UUID, and asset tag from loader.
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CFLAGS+= -DSMBIOS_SERIAL_NUMBERS
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.if defined(BOOT_LITTLE_ENDIAN_UUID)
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# Use little-endian UUID format as defined in SMBIOS 2.6.
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CFLAGS+= -DSMBIOS_LITTLE_ENDIAN_UUID
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.elif defined(BOOT_NETWORK_ENDIAN_UUID)
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# Use network-endian UUID format for backward compatibility.
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CFLAGS+= -DSMBIOS_NETWORK_ENDIAN_UUID
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.endif
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.endif
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.if ${MK_FORTH} != "no"
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BOOT_FORTH= yes
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CFLAGS+= -DBOOT_FORTH
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CFLAGS+= -I${.CURDIR}/../../ficl
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CFLAGS+= -I${.CURDIR}/../../ficl/${MACHINE_CPUARCH}
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LIBFICL= ${.OBJDIR}/../../ficl/libficl.a
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.endif
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LOADER_FDT_SUPPORT?= no
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.if ${MK_FDT} != "no" && ${LOADER_FDT_SUPPORT} != "no"
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CFLAGS+= -I${.CURDIR}/../../fdt
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CFLAGS+= -I${.OBJDIR}/../../fdt
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CFLAGS+= -DLOADER_FDT_SUPPORT
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LIBEFI_FDT= ${.OBJDIR}/../../efi/fdt/libefi_fdt.a
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LIBFDT= ${.OBJDIR}/../../fdt/libfdt.a
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.endif
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# Include bcache code.
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HAVE_BCACHE= yes
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.if defined(EFI_STAGING_SIZE)
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CFLAGS+= -DEFI_STAGING_SIZE=${EFI_STAGING_SIZE}
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.endif
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# Always add MI sources
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.PATH: ${.CURDIR}/../../common
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.include "${.CURDIR}/../../common/Makefile.inc"
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CFLAGS+= -I${.CURDIR}/../../common
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FILES+= loader.efi
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FILESMODE_loader.efi= ${BINMODE}
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LDSCRIPT= ${.CURDIR}/arch/${MACHINE}/ldscript.${MACHINE}
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LDFLAGS+= -Wl,-T${LDSCRIPT},-Bsymbolic,-znotext -shared
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CLEANFILES+= loader.efi
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NEWVERSWHAT= "EFI loader" ${MACHINE}
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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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loader.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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${OBJCOPY} -j .peheader -j .text -j .sdata -j .data \
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-j .dynamic -j .dynsym -j .rel.dyn \
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-j .rela.dyn -j .reloc -j .eh_frame -j set_Xcommand_set \
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-j set_Xficl_compile_set \
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--output-target=${EFI_TARGET} ${.ALLSRC} ${.TARGET}
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LIBEFI= ${.OBJDIR}/../libefi/libefi.a
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DPADD= ${LIBFICL} ${LIBEFI} ${LIBFDT} ${LIBEFI_FDT} ${LIBSTAND} \
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${LDSCRIPT}
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LDADD= ${LIBFICL} ${LIBEFI} ${LIBFDT} ${LIBEFI_FDT} ${LIBSTAND}
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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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