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| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2012-09-24 08:31:35 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2012-09-26 15:45:28 +0200 |
| commit | c59eed111bff70bbb8c85abc73374d4da0848c79 (patch) | |
| tree | d34c887f56e99caccc7c99649e8a6afa3156800f /arch/s390/net | |
| parent | 022912575ce3135517ec1cbfb8d4b240e0821feb (diff) | |
| download | op-kernel-dev-c59eed111bff70bbb8c85abc73374d4da0848c79.zip op-kernel-dev-c59eed111bff70bbb8c85abc73374d4da0848c79.tar.gz | |
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 <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/net')
| -rw-r--r-- | arch/s390/net/bpf_jit_comp.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/s390/net/bpf_jit_comp.c b/arch/s390/net/bpf_jit_comp.c index f57f0c3..9b355b4 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,<d(K)>(%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) */ |
