Add preliminary support for x86-64 Linux binaries.

Differential Revision:	https://reviews.freebsd.org/D1076

1 files changed, 55 insertions, 0 deletions

diff --git a/sys/modules/linux64/Makefile b/sys/modules/linux64/Makefile
new file mode 100644
index 000000000000..40ae87387446
--- /dev/null
+++ b/sys/modules/linux64/Makefile
@@ -0,0 +1,55 @@
+# $FreeBSD$
+
+.PATH: ${.CURDIR}/../../compat/linux ${.CURDIR}/../../${MACHINE_ARCH}/linux
+
+VDSO=	linux_vdso
+
+KMOD=	linux64
+SRCS=	linux_fork.c linux_dummy.c linux_file.c \
+	linux_futex.c linux_getcwd.c linux_ioctl.c linux_ipc.c \
+	linux_machdep.c linux_misc.c linux_signal.c \
+	linux_socket.c linux_stats.c linux_sysctl.c linux_sysent.c \
+	linux_sysvec.c linux_time.c linux_vdso.c linux_timer.c \
+	opt_inet6.h opt_compat.h opt_kdtrace.h opt_posix.h opt_usb.h \
+	vnode_if.h device_if.h bus_if.h assym.s \
+	linux_support.s
+DPSRCS=	linux_genassym.c
+
+# XXX: for assym.s
+SRCS+=  opt_kstack_pages.h opt_nfs.h opt_apic.h opt_hwpmc_hooks.h
+
+CLEANFILES=	linux_assym.h linux_genassym.o linux_locore.o
+
+OBJS=	${VDSO}.so
+
+linux_assym.h: linux_genassym.o
+	sh ${SYSDIR}/kern/genassym.sh linux_genassym.o > ${.TARGET}
+
+linux_locore.o: linux_locore.s linux_assym.h
+	${CC} -x assembler-with-cpp -DLOCORE -shared -mcmodel=small	\
+	-pipe -I. -I${SYSDIR} -Werror -Wall -fno-common -nostdinc 	\
+	-Wl,-T${.CURDIR}/../../${MACHINE_CPUARCH}/linux/${VDSO}.lds.s	\
+	-Wl,-soname=${VDSO}.so.1,-fPIC,-warn-common -nostdlib		\
+	    ${.IMPSRC} -o ${.TARGET}
+
+${VDSO}.so: linux_locore.o
+	${OBJCOPY} --input binary --output elf64-x86-64-freebsd		\
+	    -S -g --binary-architecture i386:x86-64 linux_locore.o ${.TARGET}
+
+linux_support.o: assym.s linux_assym.h
+	${CC} -c -x assembler-with-cpp -DLOCORE ${CFLAGS} \
+	    ${.IMPSRC} -o ${.TARGET}
+
+linux_genassym.o:
+	${CC} -c ${CFLAGS:N-fno-common} ${.IMPSRC}
+
+.if !defined(KERNBUILDDIR)
+.if defined(DEBUG)
+CFLAGS+=-DDEBUG
+.endif
+.if defined(KTR)
+CFLAGS+=-DKTR
+.endif
+.endif
+
+.include <bsd.kmod.mk>