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0f69696824
linux_vdso.so provides the vdso for the linuxulator's amd64 target and is mapped into a Linux binary's address space. Thus it should be a Linux-style .so, which has the ELF OS/ABI unset. It turns out that ELF Tool Chain elfcopy/objcopy also has a bug where the OS/ABI field is unset, regardless of the specified --output-target, so this change is a no-op with the default in-tree toolchain. This is a real fix when using external binutils, and the ELF Tool Chain bug will be fixed in the future. PR: 228934 Sponsored by: Turing Robotic Industries
59 lines
1.7 KiB
Makefile
59 lines
1.7 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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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 > ${.TARGET}
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linux_locore.o: linux_locore.s linux_assym.h
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${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 ${.TARGET}
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${VDSO}.so: linux_locore.o
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${OBJCOPY} --input-target binary --output-target elf64-x86-64 \
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-S -g --binary-architecture i386:x86-64 linux_locore.o ${.TARGET}
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strip -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 ${.TARGET}
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linux_genassym.o:
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${CC} -c ${CFLAGS:N-flto:N-fno-common} ${.IMPSRC}
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.if !defined(KERNBUILDDIR)
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.if defined(DEBUG)
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CFLAGS+=-DDEBUG
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.endif
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.if defined(KTR)
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CFLAGS+=-DKTR
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.endif
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.endif
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.include <bsd.kmod.mk>
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