bdc379344a
exposes functions from kernel with proper DWARF CFI information so that it becomes easier to unwind through them. Using vdso is a mandatory for a thread cancelation && cleanup on a modern glibc. Differential Revision: https://reviews.freebsd.org/D1060
84 lines
2.4 KiB
Makefile
84 lines
2.4 KiB
Makefile
# $FreeBSD$
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.if ${MACHINE_CPUARCH} == "amd64"
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SFX= 32
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CFLAGS+=-DCOMPAT_FREEBSD32 -DCOMPAT_LINUX32
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.endif
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.PATH: ${.CURDIR}/../../compat/linux ${.CURDIR}/../../${MACHINE_CPUARCH}/linux${SFX}
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VDSO= linux${SFX}_vdso
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KMOD= linux
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SRCS= linux_fork.c linux${SFX}_dummy.c linux_emul.c linux_file.c \
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linux_futex.c linux_getcwd.c linux_ioctl.c linux_ipc.c \
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linux${SFX}_machdep.c linux_mib.c linux_misc.c linux_signal.c \
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linux_socket.c linux_stats.c linux_sysctl.c linux${SFX}_sysent.c \
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linux${SFX}_sysvec.c linux_uid16.c linux_util.c linux_time.c \
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linux_timer.c linux_vdso.c \
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opt_inet6.h opt_compat.h opt_posix.h opt_usb.h vnode_if.h \
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device_if.h bus_if.h assym.s \
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linux${SFX}_support.s
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DPSRCS= linux${SFX}_genassym.c
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# XXX: for assym.s
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SRCS+= opt_kstack_pages.h opt_nfs.h opt_compat.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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OBJS= ${VDSO}.so
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.if ${MACHINE_CPUARCH} == "i386"
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SRCS+= linux_ptrace.c imgact_linux.c opt_cpu.h
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.endif
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EXPORT_SYMS=
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EXPORT_SYMS+= linux_emul_path
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EXPORT_SYMS+= linux_get_osname
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EXPORT_SYMS+= linux_get_osrelease
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EXPORT_SYMS+= linux_ifname
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EXPORT_SYMS+= linux_ioctl_register_handler
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EXPORT_SYMS+= linux_ioctl_unregister_handler
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CLEANFILES= linux${SFX}_assym.h linux${SFX}_genassym.o linux${SFX}_locore.o
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linux${SFX}_assym.h: linux${SFX}_genassym.o
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sh ${SYSDIR}/kern/genassym.sh linux${SFX}_genassym.o > ${.TARGET}
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linux${SFX}_locore.o: linux${SFX}_assym.h assym.s
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${CC} -x assembler-with-cpp -DLOCORE -m32 -shared -s \
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-pipe -I. -I${SYSDIR} -Werror -Wall -fno-common -nostdinc -nostdlib \
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-fno-omit-frame-pointer \
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-Wl,-T${.CURDIR}/../../${MACHINE_CPUARCH}/linux${SFX}/${VDSO}.lds.s \
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-Wl,-soname=${VDSO}.so.1,--eh-frame-hdr,-fPIC,-warn-common \
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${.IMPSRC} -o ${.TARGET}
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linux${SFX}_support.o: linux${SFX}_assym.h assym.s
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${CC} -c -x assembler-with-cpp -DLOCORE ${CFLAGS} \
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${.IMPSRC} -o ${.TARGET}
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.if ${MACHINE_CPUARCH} == "amd64"
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${VDSO}.so: linux${SFX}_locore.o
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${OBJCOPY} --input binary --output elf64-x86-64-freebsd \
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--binary-architecture i386 linux${SFX}_locore.o ${.TARGET}
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.else
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${VDSO}.so: linux${SFX}_locore.o
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${OBJCOPY} --input binary --output elf32-i386-freebsd \
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--binary-architecture i386 linux${SFX}_locore.o ${.TARGET}
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.endif
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linux${SFX}_genassym.o:
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${CC} -c ${CFLAGS:N-fno-common} ${.IMPSRC}
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.if !defined(KERNBUILDDIR)
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.if defined(KTR)
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CFLAGS+= -DKTR
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.endif
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.if defined(DEBUG)
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CFLAGS+= -DDEBUG
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.endif
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.endif
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.include <bsd.kmod.mk>
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