xref: /freebsd/sys/modules/linux/Makefile (revision e9e8876a4d6afc1ad5315faaa191b25121a813d7)
1# $FreeBSD$
2
3.if ${MACHINE_CPUARCH} == "amd64"
4SFX= 32
5CFLAGS+=-DCOMPAT_FREEBSD32 -DCOMPAT_LINUX32
6.endif
7
8.PATH: ${SRCTOP}/sys/compat/linux ${SRCTOP}/sys/${MACHINE_CPUARCH}/linux${SFX}
9.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64"
10.PATH: ${SRCTOP}/sys/x86/linux
11.endif
12
13KMOD=	linux
14SRCS=	linux_fork.c linux${SFX}_dummy_machdep.c linux_file.c linux_event.c \
15	linux_futex.c linux_getcwd.c linux_ioctl.c linux_ipc.c \
16	linux${SFX}_machdep.c linux_misc.c linux_signal.c \
17	linux_socket.c linux_stats.c linux_sysctl.c linux${SFX}_sysent.c \
18	linux${SFX}_sysvec.c linux_uid16.c linux_time.c \
19	linux_timer.c linux_vdso.c \
20	opt_inet6.h opt_compat.h opt_posix.h opt_usb.h vnode_if.h \
21	device_if.h bus_if.h
22.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64"
23SRCS+=	linux_dummy_x86.c linux_vdso_tsc_selector_x86.c
24VDSODEPS=linux_vdso_gettc_x86.inc
25.endif
26.if ${MACHINE_CPUARCH} == "amd64"
27SRCS+=	linux${SFX}_support.s
28SRCS+=	linux_elf32.c
29.else
30SRCS+=	linux_copyout.c
31.endif
32DPSRCS=	assym.inc linux${SFX}_genassym.c
33
34# XXX: for assym.inc
35SRCS+=  opt_kstack_pages.h opt_nfs.h opt_hwpmc_hooks.h
36.if ${MACHINE_CPUARCH} == "i386"
37SRCS+=	opt_apic.h
38.endif
39
40OBJS=	linux${SFX}_vdso.so
41
42.if ${MACHINE_CPUARCH} == "i386"
43SRCS+=	linux_ptrace_machdep.c imgact_linux.c linux_util.c linux_mib.c \
44	linux_mmap.c linux_dummy.c linux_emul.c linux_errno.c opt_cpu.h linux.c
45.endif
46
47.if ${MACHINE_CPUARCH} == "i386"
48EXPORT_SYMS=
49EXPORT_SYMS+=	linux_emul_path
50EXPORT_SYMS+=	linux_get_osname
51EXPORT_SYMS+=	linux_get_osrelease
52EXPORT_SYMS+=	linux_ioctl_register_handler
53EXPORT_SYMS+=	linux_ioctl_unregister_handler
54.endif
55
56CLEANFILES=	linux${SFX}_assym.h linux${SFX}_genassym.o linux${SFX}_locore.o \
57		genassym.o linux${SFX}_vdso_gtod.o linux${SFX}_vdso.so.o
58
59linux${SFX}_assym.h: linux${SFX}_genassym.o
60	sh ${SYSDIR}/kern/genassym.sh linux${SFX}_genassym.o > ${.TARGET}
61
62.if ${MACHINE_CPUARCH} == "amd64"
63VDSOFLAGS=-DCOMPAT_FREEBSD32 -DCOMPAT_LINUX32 -m32
64.else
65VDSOFLAGS=-mregparm=0
66.endif
67
68linux${SFX}_locore.o: linux${SFX}_assym.h assym.inc
69	${CC} -c -x assembler-with-cpp -DLOCORE -fPIC -pipe -O2 -Werror \
70	-msoft-float \
71	-fno-common -nostdinc -fasynchronous-unwind-tables \
72	-fno-omit-frame-pointer -foptimize-sibling-calls ${VDSOFLAGS} \
73	-fno-stack-protector -I. -I${SYSDIR} -I${SRCTOP}/include \
74	    ${.IMPSRC} -o ${.TARGET}
75
76linux${SFX}_vdso_gtod.o: linux_vdso_gtod.inc ${VDSODEPS}
77	${CC} -c -fPIC -pipe -O2 -Werror -msoft-float \
78	-fno-common -nostdinc -fasynchronous-unwind-tables \
79	-fno-omit-frame-pointer -foptimize-sibling-calls ${VDSOFLAGS} \
80	-fno-stack-protector -I. -I${SYSDIR} -I${SRCTOP}/include \
81	    ${.IMPSRC} -o ${.TARGET}
82
83linux${SFX}_vdso.so.o: linux${SFX}_locore.o linux${SFX}_vdso_gtod.o
84	${LD} -m elf_i386 --shared --eh-frame-hdr -soname=linux-gate.so.1 \
85	--no-undefined --hash-style=both -warn-common -nostdlib \
86	--strip-debug -s --build-id=sha1 --Bsymbolic \
87	-T${SRCTOP}/sys/${MACHINE}/linux${SFX}/linux${SFX}_vdso.lds.s \
88	-o ${.TARGET} ${.ALLSRC:M*.o}
89
90.if ${MACHINE_CPUARCH} == "amd64"
91OBJCOPY_TARGET=--output-target elf64-x86-64-freebsd --binary-architecture i386
92.elif ${MACHINE_CPUARCH} == "i386"
93OBJCOPY_TARGET=--output-target elf32-i386-freebsd --binary-architecture i386
94.else
95.error ${MACHINE_CPUARCH} not yet supported by linux
96.endif
97
98linux${SFX}_vdso.so: linux${SFX}_vdso.so.o
99	${OBJCOPY} --input-target binary ${OBJCOPY_TARGET} \
100	    linux${SFX}_vdso.so.o ${.TARGET}
101	${STRIPBIN} -N _binary_linux${SFX}_vdso_so_o_size ${.TARGET}
102
103.if ${MACHINE_CPUARCH} == "amd64"
104linux${SFX}_support.o: linux${SFX}_assym.h assym.inc
105	${CC} -c -x assembler-with-cpp -DLOCORE ${CFLAGS} \
106	    ${.IMPSRC} -o ${.TARGET}
107.endif
108
109linux${SFX}_genassym.o: offset.inc
110	${CC} -c ${CFLAGS:N-flto:N-fno-common} -fcommon ${.IMPSRC}
111
112.if !defined(KERNBUILDDIR)
113.warning Building Linuxulator outside of a kernel does not make sense
114.endif
115
116EXPORT_SYMS=	YES
117
118.include <bsd.kmod.mk>
119