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# $FreeBSD$
.if ${MACHINE_CPUARCH} == "amd64"
SFX= 32
CFLAGS+=-DCOMPAT_FREEBSD32 -DCOMPAT_LINUX32
.endif
.PATH: ${SRCTOP}/sys/compat/linux ${SRCTOP}/sys/${MACHINE_CPUARCH}/linux${SFX}
VDSO= linux${SFX}_vdso
KMOD= linux
SRCS= linux_fork.c linux${SFX}_dummy.c linux_file.c linux_event.c \
linux_futex.c linux_getcwd.c linux_ioctl.c linux_ipc.c \
linux${SFX}_machdep.c linux_misc.c linux_signal.c \
linux_socket.c linux_stats.c linux_sysctl.c linux${SFX}_sysent.c \
linux${SFX}_sysvec.c linux_uid16.c linux_time.c \
linux_timer.c linux_vdso.c \
opt_inet6.h opt_compat.h opt_posix.h opt_usb.h vnode_if.h \
device_if.h bus_if.h
.if ${MACHINE_CPUARCH} == "amd64"
SRCS+= linux${SFX}_support.s
.else
SRCS+= linux_copyout.c
.endif
DPSRCS= assym.inc linux${SFX}_genassym.c
# XXX: for assym.inc
SRCS+= opt_kstack_pages.h opt_nfs.h opt_hwpmc_hooks.h
.if ${MACHINE_CPUARCH} == "i386"
SRCS+= opt_apic.h
.endif
OBJS= ${VDSO}.so
.if ${MACHINE_CPUARCH} == "i386"
SRCS+= linux_ptrace.c imgact_linux.c linux_util.c linux_mib.c linux_mmap.c \
linux_emul.c linux_errno.c opt_cpu.h linux.c
.endif
.if ${MACHINE_CPUARCH} == "i386"
EXPORT_SYMS=
EXPORT_SYMS+= linux_emul_path
EXPORT_SYMS+= linux_get_osname
EXPORT_SYMS+= linux_get_osrelease
EXPORT_SYMS+= linux_ioctl_register_handler
EXPORT_SYMS+= linux_ioctl_unregister_handler
.endif
CLEANFILES= linux${SFX}_assym.h linux${SFX}_genassym.o linux${SFX}_locore.o \
genassym.o
linux${SFX}_assym.h: linux${SFX}_genassym.o
sh ${SYSDIR}/kern/genassym.sh linux${SFX}_genassym.o > ${.TARGET}
linux${SFX}_locore.o: linux${SFX}_assym.h assym.inc
${CC} ${CCLDFLAGS} -x assembler-with-cpp -DLOCORE -m32 -shared -s \
-pipe -I. -I${SYSDIR} ${WERROR} -Wall -fno-common -nostdinc -nostdlib \
-fno-omit-frame-pointer -fPIC \
-Wl,-T${SRCTOP}/sys/${MACHINE_CPUARCH}/linux${SFX}/${VDSO}.lds.s \
-Wl,-soname=${VDSO}.so.1,--eh-frame-hdr,-warn-common \
${.IMPSRC} -o ${.TARGET}
.if ${MACHINE_CPUARCH} == "amd64"
linux${SFX}_support.o: linux${SFX}_assym.h assym.inc
${CC} -c -x assembler-with-cpp -DLOCORE ${CFLAGS} \
${.IMPSRC} -o ${.TARGET}
${VDSO}.so: linux${SFX}_locore.o
${OBJCOPY} --input-target binary --output-target elf64-x86-64-freebsd \
--binary-architecture i386 linux${SFX}_locore.o ${.TARGET}
${STRIPBIN} -N _binary_linux${SFX}_locore_o_size ${.TARGET}
.else
${VDSO}.so: linux${SFX}_locore.o
${OBJCOPY} --input-target binary --output-target elf32-i386-freebsd \
--binary-architecture i386 linux${SFX}_locore.o ${.TARGET}
${STRIPBIN} -N _binary_linux_locore_o_size ${.TARGET}
.endif
linux${SFX}_genassym.o: offset.inc
${CC} -c ${CFLAGS:N-flto:N-fno-common} -fcommon ${.IMPSRC}
.if !defined(KERNBUILDDIR)
.warning Building Linuxulator outside of a kernel does not make sense
.endif
.include <bsd.kmod.mk>
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