bpf, elf: add official ELF machine define for eBPF

Add the official BPF ELF e_machine value that was assigned recently [1,2]
and will be propagated to glibc, et al. LLVM is switching to it in 3.9
release.

  [1] https://github.com/llvm-mirror/llvm/commit/36b9c09330bfb5e771914cfe307588f30d5510d2
  [2] http://lists.iovisor.org/pipermail/iovisor-dev/2016-June/000266.html

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/include/uapi/linux/elf-em.h b/include/uapi/linux/elf-em.h
index c3fdfe7..cb5d1a5 100644 (file)
--- a/include/uapi/linux/elf-em.h
+++ b/include/uapi/linux/elf-em.h
@@ -40,6 +40,7 @@
 #define EM_TILEPRO     188     /* Tilera TILEPro */
 #define EM_MICROBLAZE  189     /* Xilinx MicroBlaze */
 #define EM_TILEGX      191     /* Tilera TILE-Gx */
+#define EM_BPF         247     /* Linux BPF - in-kernel virtual machine */
 #define EM_FRV         0x5441  /* Fujitsu FR-V */
 #define EM_AVR32       0x18ad  /* Atmel AVR32 */