xref: /freebsd/sys/modules/linux64/Makefile (revision b4e38a41f584ad4391c04b8cfec81f46176b18b0)
1# $FreeBSD$
2
3.PATH: ${SRCTOP}/sys/compat/linux ${SRCTOP}/sys/${MACHINE}/linux
4
5VDSO=	linux_vdso
6
7KMOD=	linux64
8SRCS=	linux_fork.c linux_dummy.c linux_file.c linux_event.c \
9	linux_futex.c linux_getcwd.c linux_ioctl.c linux_ipc.c \
10	linux_machdep.c linux_misc.c linux_ptrace.c linux_signal.c \
11	linux_socket.c linux_stats.c linux_sysctl.c linux_sysent.c \
12	linux_sysvec.c linux_time.c linux_vdso.c linux_timer.c \
13	opt_compat.h opt_inet6.h opt_posix.h opt_usb.h \
14	vnode_if.h device_if.h bus_if.h \
15	linux_support.s
16DPSRCS=	assym.inc linux_genassym.c
17
18# XXX: for assym.inc
19SRCS+=  opt_kstack_pages.h opt_nfs.h opt_hwpmc_hooks.h
20.if ${MACHINE_CPUARCH} == "i386"
21SRCS+=	opt_apic.h
22.endif
23
24CLEANFILES=	linux_assym.h linux_genassym.o linux_locore.o \
25		genassym.o
26
27OBJS=	${VDSO}.so
28
29linux_assym.h: linux_genassym.o
30	sh ${SYSDIR}/kern/genassym.sh linux_genassym.o > ${.TARGET}
31
32linux_locore.o: linux_locore.asm linux_assym.h
33	${CC} -x assembler-with-cpp -DLOCORE -shared -mcmodel=small	\
34	-pipe -I. -I${SYSDIR} ${WERROR} -Wall -fno-common -fPIC -nostdinc	\
35	-Wl,-T${SRCTOP}/sys/${MACHINE}/linux/${VDSO}.lds.s	\
36	-Wl,-soname=${VDSO}.so.1,-warn-common -nostdlib			\
37	    ${.IMPSRC} -o ${.TARGET}
38
39.if ${MACHINE_CPUARCH} == "aarch64"
40OBJCOPY_TARGET=--output-target elf64-littleaarch64 --binary-architecture aarch64
41.elif ${MACHINE_CPUARCH} == "amd64"
42OBJCOPY_TARGET=--output-target elf64-x86-64 --binary-architecture i386:x86-64
43.else
44.error ${MACHINE_CPUARCH} not yet supported by linux64
45.endif
46${VDSO}.so: linux_locore.o
47	${OBJCOPY} --input-target binary ${OBJCOPY_TARGET} -S -g \
48	    linux_locore.o ${.TARGET}
49	strip -N _binary_linux_locore_o_size ${.TARGET}
50
51linux_support.o: assym.inc linux_assym.h
52	${CC} -c -x assembler-with-cpp -DLOCORE ${CFLAGS} \
53	    ${.IMPSRC} -o ${.TARGET}
54
55linux_genassym.o: offset.inc
56	${CC} -c ${CFLAGS:N-flto:N-fno-common} -fcommon ${.IMPSRC}
57
58.if !defined(KERNBUILDDIR)
59.warning Building Linuxulator outside of a kernel does not make sense
60.endif
61
62.include <bsd.kmod.mk>
63