bpfc: add gnu as style %-register prefix

Let a and x register also be addressed as %x and %a.

Signed-off-by: Daniel Borkmann <dborkman@redhat.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/bpf_lexer.l b/bpf_lexer.l
index 185faae..26accbc 100644
--- a/bpf_lexer.l
+++ b/bpf_lexer.l
@@ -91,6 +91,7 @@ label		[a-zA-Z_][a-zA-Z0-9_]+
 ":"		{ return ':'; }
 ","		{ return ','; }
 "#"		{ return '#'; }
+"%"		{ return '%'; }
 "["		{ return '['; }
 "]"		{ return ']'; }
 "("		{ return '('; }