linux/samples/seccomp
Markos Chandras e9107f88c9 samples/seccomp/Makefile: do not build tests if cross-compiling for MIPS
The Makefile is designed to use the host toolchain so it may be unsafe
to build the tests if the kernel has been configured and built for
another architecture.  This fixes a build problem when the kernel has
been configured and built for the MIPS architecture but the host is not
MIPS (cross-compiled).  The MIPS syscalls are only defined if one of the
following is true:

 1) _MIPS_SIM == _MIPS_SIM_ABI64
 2) _MIPS_SIM == _MIPS_SIM_ABI32
 3) _MIPS_SIM == _MIPS_SIM_NABI32

Of course, none of these make sense on a non-MIPS toolchain and the
following build problem occurs when building on a non-MIPS host.

  linux/usr/include/linux/kexec.h:50: userspace cannot reference function or variable defined in the kernel
  samples/seccomp/bpf-direct.c: In function `emulator':
  samples/seccomp/bpf-direct.c:76:17: error: `__NR_write' undeclared (first use in this function)

Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Reported-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-04-03 16:21:06 -07:00
..
.gitignore samples: seccomp: add .gitignore for untracked executables 2012-06-29 00:54:17 +10:00
Makefile samples/seccomp/Makefile: do not build tests if cross-compiling for MIPS 2014-04-03 16:21:06 -07:00
bpf-direct.c samples/seccomp: fix dependencies on arch macros 2012-04-19 13:44:06 +10:00
bpf-fancy.c Documentation: prctl/seccomp_filter 2012-04-14 11:13:22 +10:00
bpf-helper.c Documentation: prctl/seccomp_filter 2012-04-14 11:13:22 +10:00
bpf-helper.h samples/seccomp: fix endianness bug in LO_ARG define 2012-08-03 14:27:40 +10:00
dropper.c Documentation: prctl/seccomp_filter 2012-04-14 11:13:22 +10:00