Implement bpf syscall decoding
* bpf.c: New file.
* Makefile.am (strace_SOURCES): Add it.
* configure.ac (AC_CHECK_HEADERS): Add linux/bpf.h.
* linux/dummy.h (sys_bpf): Remove.
* pathtrace.c (pathtrace_match): Add SEN_bpf.
* xlat/bpf_commands.in: New file.
* xlat/bpf_map_types.in: New file.
* xlat/bpf_map_update_elem_flags.in: New file.
* xlat/bpf_prog_types.in: New file.
* tests/bpf.c: New file.
* tests/bpf.test: New test.
* tests/Makefile.am (check_PROGRAMS): Add bpf.
(TESTS): Add bpf.test.
* tests/.gitignore: Add bpf.
diff --git a/tests/bpf.test b/tests/bpf.test
new file mode 100755
index 0000000..8725468
--- /dev/null
+++ b/tests/bpf.test
@@ -0,0 +1,13 @@
+#!/bin/sh
+
+# Check bpf syscall decoding.
+
+. "${srcdir=.}/init.sh"
+
+run_prog > /dev/null
+OUT="$LOG.out"
+run_strace -ebpf $args > "$OUT"
+match_grep "$LOG" "$OUT"
+rm -f "$OUT"
+
+exit 0