mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-21 03:33:59 +08:00
a77d1d196b
Both the .o and the actual executable need to be built with -m32 in order
to link correctly.
Reported-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Tycho Andersen <tycho@tycho.ws>
Reviewed-by: Kees Cook <keescook@chromium.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: James Morris <jmorris@namei.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Fixes: fec7b66905 ("samples: add an example of seccomp user trap")
Link: http://lkml.kernel.org/r/20190107231631.1849-1-tycho@tycho.ws
Signed-off-by: Ingo Molnar <mingo@kernel.org>
45 lines
1.3 KiB
Makefile
45 lines
1.3 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
|
|
ifndef CROSS_COMPILE
|
|
hostprogs-$(CONFIG_SAMPLE_SECCOMP) := bpf-fancy dropper bpf-direct user-trap
|
|
|
|
HOSTCFLAGS_bpf-fancy.o += -I$(objtree)/usr/include
|
|
HOSTCFLAGS_bpf-fancy.o += -idirafter $(objtree)/include
|
|
HOSTCFLAGS_bpf-helper.o += -I$(objtree)/usr/include
|
|
HOSTCFLAGS_bpf-helper.o += -idirafter $(objtree)/include
|
|
bpf-fancy-objs := bpf-fancy.o bpf-helper.o
|
|
|
|
HOSTCFLAGS_dropper.o += -I$(objtree)/usr/include
|
|
HOSTCFLAGS_dropper.o += -idirafter $(objtree)/include
|
|
dropper-objs := dropper.o
|
|
|
|
HOSTCFLAGS_bpf-direct.o += -I$(objtree)/usr/include
|
|
HOSTCFLAGS_bpf-direct.o += -idirafter $(objtree)/include
|
|
bpf-direct-objs := bpf-direct.o
|
|
|
|
HOSTCFLAGS_user-trap.o += -I$(objtree)/usr/include
|
|
HOSTCFLAGS_user-trap.o += -idirafter $(objtree)/include
|
|
user-trap-objs := user-trap.o
|
|
|
|
# Try to match the kernel target.
|
|
ifndef CONFIG_64BIT
|
|
|
|
# s390 has -m31 flag to build 31 bit binaries
|
|
ifndef CONFIG_S390
|
|
MFLAG = -m32
|
|
else
|
|
MFLAG = -m31
|
|
endif
|
|
|
|
HOSTCFLAGS_bpf-direct.o += $(MFLAG)
|
|
HOSTCFLAGS_dropper.o += $(MFLAG)
|
|
HOSTCFLAGS_bpf-helper.o += $(MFLAG)
|
|
HOSTCFLAGS_bpf-fancy.o += $(MFLAG)
|
|
HOSTCFLAGS_user-trap.o += $(MFLAG)
|
|
HOSTLDLIBS_bpf-direct += $(MFLAG)
|
|
HOSTLDLIBS_bpf-fancy += $(MFLAG)
|
|
HOSTLDLIBS_dropper += $(MFLAG)
|
|
HOSTLDLIBS_user-trap += $(MFLAG)
|
|
endif
|
|
always := $(hostprogs-m)
|
|
endif
|