diff options
Diffstat (limited to 'vendor/golang.org/x/net/bpf/vm.go')
-rw-r--r-- | vendor/golang.org/x/net/bpf/vm.go | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/vendor/golang.org/x/net/bpf/vm.go b/vendor/golang.org/x/net/bpf/vm.go index 4c656f1..73f57f1 100644 --- a/vendor/golang.org/x/net/bpf/vm.go +++ b/vendor/golang.org/x/net/bpf/vm.go @@ -35,6 +35,13 @@ func NewVM(filter []Instruction) (*VM, error) { if check <= int(ins.SkipFalse) { return nil, fmt.Errorf("cannot jump %d instructions in false case; jumping past program bounds", ins.SkipFalse) } + case JumpIfX: + if check <= int(ins.SkipTrue) { + return nil, fmt.Errorf("cannot jump %d instructions in true case; jumping past program bounds", ins.SkipTrue) + } + if check <= int(ins.SkipFalse) { + return nil, fmt.Errorf("cannot jump %d instructions in false case; jumping past program bounds", ins.SkipFalse) + } // Check for division or modulus by zero case ALUOpConstant: if ins.Val != 0 { @@ -109,6 +116,9 @@ func (v *VM) Run(in []byte) (int, error) { case JumpIf: jump := jumpIf(ins, regA) i += jump + case JumpIfX: + jump := jumpIfX(ins, regA, regX) + i += jump case LoadAbsolute: regA, ok = loadAbsolute(ins, in) case LoadConstant: |