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1a18ab420b
Since the make variable STRIP is already used for other purposes, this uses STRIPBIN (which is also used for the same purpose by install(1). This allows using LLVM objcopy to strip binaries instead of the in-tree elftoolchain objcopy. We make use of this in CheriBSD since passing binaries generated by our toolchain to elftoolchain strip sometimes results in assertion failures. This allows working around https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=248516 by specifying STRIPBIN=/path/to/llvm-strip Obtained from: CheriBSD Reviewed By: emaste, brooks Differential Revision: https://reviews.freebsd.org/D25988
62 lines
2 KiB
Makefile
62 lines
2 KiB
Makefile
# $FreeBSD$
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.PATH: ${SRCTOP}/sys/compat/linux ${SRCTOP}/sys/${MACHINE}/linux
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VDSO= linux_vdso
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KMOD= linux64
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SRCS= linux_fork.c linux_dummy.c linux_file.c linux_event.c \
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linux_futex.c linux_getcwd.c linux_ioctl.c linux_ipc.c \
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linux_machdep.c linux_misc.c linux_ptrace.c linux_signal.c \
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linux_socket.c linux_stats.c linux_sysctl.c linux_sysent.c \
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linux_sysvec.c linux_time.c linux_vdso.c linux_timer.c \
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opt_compat.h opt_inet6.h opt_posix.h opt_usb.h \
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vnode_if.h device_if.h bus_if.h \
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linux_support.s
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DPSRCS= assym.inc linux_genassym.c
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# XXX: for assym.inc
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SRCS+= opt_kstack_pages.h opt_nfs.h opt_hwpmc_hooks.h
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.if ${MACHINE_CPUARCH} == "i386"
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SRCS+= opt_apic.h
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.endif
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CLEANFILES= linux_assym.h linux_genassym.o linux_locore.o \
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genassym.o
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OBJS= ${VDSO}.so
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linux_assym.h: linux_genassym.o
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sh ${SYSDIR}/kern/genassym.sh linux_genassym.o > ${.TARGET}
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linux_locore.o: linux_locore.asm linux_assym.h
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${CC} -x assembler-with-cpp -DLOCORE -shared -mcmodel=small \
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-pipe -I. -I${SYSDIR} ${WERROR} -Wall -fno-common -fPIC -nostdinc \
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-Wl,-T${SRCTOP}/sys/${MACHINE}/linux/${VDSO}.lds.s \
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-Wl,-soname=${VDSO}.so.1,-warn-common -nostdlib \
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${.IMPSRC} -o ${.TARGET}
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.if ${MACHINE_CPUARCH} == "aarch64"
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OBJCOPY_TARGET=--output-target elf64-littleaarch64 --binary-architecture aarch64
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.elif ${MACHINE_CPUARCH} == "amd64"
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OBJCOPY_TARGET=--output-target elf64-x86-64 --binary-architecture i386:x86-64
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.else
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.error ${MACHINE_CPUARCH} not yet supported by linux64
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.endif
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${VDSO}.so: linux_locore.o
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${OBJCOPY} --input-target binary ${OBJCOPY_TARGET} -S -g \
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linux_locore.o ${.TARGET}
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${STRIPBIN} -N _binary_linux_locore_o_size ${.TARGET}
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linux_support.o: assym.inc linux_assym.h
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${CC} -c -x assembler-with-cpp -DLOCORE ${CFLAGS} \
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${.IMPSRC} -o ${.TARGET}
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linux_genassym.o: offset.inc
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${CC} -c ${CFLAGS:N-flto:N-fno-common} -fcommon ${.IMPSRC}
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.if !defined(KERNBUILDDIR)
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.warning Building Linuxulator outside of a kernel does not make sense
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.endif
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.include <bsd.kmod.mk>
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