From: Heiko Carstens Date: Mon, 24 Sep 2012 06:31:35 +0000 (+0200) Subject: s390/bpf,jit: add support for BPF_S_ANC_ALU_XOR_X instruction X-Git-Tag: v3.7-rc1~179^2~3 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=c59eed111bff70bbb8c85abc73374d4da0848c79;p=linux.git s390/bpf,jit: add support for BPF_S_ANC_ALU_XOR_X instruction Add support for new BPF_S_ANC_ALU_XOR_X instruction which got added with ffe06c17 "filter: add XOR operation". s390 version of 4bfaddf1 "x86 bpf_jit: support BPF_S_ANC_ALU_XOR_X instruction". Signed-off-by: Heiko Carstens Signed-off-by: Martin Schwidefsky --- diff --git a/arch/s390/net/bpf_jit_comp.c b/arch/s390/net/bpf_jit_comp.c index f57f0c335b1d..9b355b406afa 100644 --- a/arch/s390/net/bpf_jit_comp.c +++ b/arch/s390/net/bpf_jit_comp.c @@ -367,6 +367,11 @@ static int bpf_jit_insn(struct bpf_jit *jit, struct sock_filter *filter, /* o %r5,(%r13) */ EMIT4_DISP(0x5650d000, EMIT_CONST(K)); break; + case BPF_S_ANC_ALU_XOR_X: /* A ^= X; */ + jit->seen |= SEEN_XREG; + /* xr %r5,%r12 */ + EMIT2(0x175c); + break; case BPF_S_ALU_LSH_X: /* A <<= X; */ jit->seen |= SEEN_XREG; /* sll %r5,0(%r12) */