diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm64/net/bpf_jit_comp.c | 37 |
1 files changed, 30 insertions, 7 deletions
diff --git a/arch/arm64/net/bpf_jit_comp.c b/arch/arm64/net/bpf_jit_comp.c index 1542df00b23c..aaddc0217e73 100644 --- a/arch/arm64/net/bpf_jit_comp.c +++ b/arch/arm64/net/bpf_jit_comp.c @@ -362,7 +362,8 @@ static int build_insn(const struct bpf_insn *insn, struct jit_ctx *ctx, const s16 off = insn->off; const s32 imm = insn->imm; const int i = insn - ctx->prog->insnsi; - const bool is64 = BPF_CLASS(code) == BPF_ALU64; + const bool is64 = BPF_CLASS(code) == BPF_ALU64 || + BPF_CLASS(code) == BPF_JMP; const bool isdw = BPF_SIZE(code) == BPF_DW; u8 jmp_cond; s32 jmp_offset; @@ -559,7 +560,17 @@ emit_bswap_uxt: case BPF_JMP | BPF_JSLT | BPF_X: case BPF_JMP | BPF_JSGE | BPF_X: case BPF_JMP | BPF_JSLE | BPF_X: - emit(A64_CMP(1, dst, src), ctx); + case BPF_JMP32 | BPF_JEQ | BPF_X: + case BPF_JMP32 | BPF_JGT | BPF_X: + case BPF_JMP32 | BPF_JLT | BPF_X: + case BPF_JMP32 | BPF_JGE | BPF_X: + case BPF_JMP32 | BPF_JLE | BPF_X: + case BPF_JMP32 | BPF_JNE | BPF_X: + case BPF_JMP32 | BPF_JSGT | BPF_X: + case BPF_JMP32 | BPF_JSLT | BPF_X: + case BPF_JMP32 | BPF_JSGE | BPF_X: + case BPF_JMP32 | BPF_JSLE | BPF_X: + emit(A64_CMP(is64, dst, src), ctx); emit_cond_jmp: jmp_offset = bpf2a64_offset(i + off, i, ctx); check_imm19(jmp_offset); @@ -601,7 +612,8 @@ emit_cond_jmp: emit(A64_B_(jmp_cond, jmp_offset), ctx); break; case BPF_JMP | BPF_JSET | BPF_X: - emit(A64_TST(1, dst, src), ctx); + case BPF_JMP32 | BPF_JSET | BPF_X: + emit(A64_TST(is64, dst, src), ctx); goto emit_cond_jmp; /* IF (dst COND imm) JUMP off */ case BPF_JMP | BPF_JEQ | BPF_K: @@ -614,12 +626,23 @@ emit_cond_jmp: case BPF_JMP | BPF_JSLT | BPF_K: case BPF_JMP | BPF_JSGE | BPF_K: case BPF_JMP | BPF_JSLE | BPF_K: - emit_a64_mov_i(1, tmp, imm, ctx); - emit(A64_CMP(1, dst, tmp), ctx); + case BPF_JMP32 | BPF_JEQ | BPF_K: + case BPF_JMP32 | BPF_JGT | BPF_K: + case BPF_JMP32 | BPF_JLT | BPF_K: + case BPF_JMP32 | BPF_JGE | BPF_K: + case BPF_JMP32 | BPF_JLE | BPF_K: + case BPF_JMP32 | BPF_JNE | BPF_K: + case BPF_JMP32 | BPF_JSGT | BPF_K: + case BPF_JMP32 | BPF_JSLT | BPF_K: + case BPF_JMP32 | BPF_JSGE | BPF_K: + case BPF_JMP32 | BPF_JSLE | BPF_K: + emit_a64_mov_i(is64, tmp, imm, ctx); + emit(A64_CMP(is64, dst, tmp), ctx); goto emit_cond_jmp; case BPF_JMP | BPF_JSET | BPF_K: - emit_a64_mov_i(1, tmp, imm, ctx); - emit(A64_TST(1, dst, tmp), ctx); + case BPF_JMP32 | BPF_JSET | BPF_K: + emit_a64_mov_i(is64, tmp, imm, ctx); + emit(A64_TST(is64, dst, tmp), ctx); goto emit_cond_jmp; /* function call */ case BPF_JMP | BPF_CALL: |