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Diffstat (limited to 'T0/OpcodeJumpUncond.cs')
-rw-r--r-- | T0/OpcodeJumpUncond.cs | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/T0/OpcodeJumpUncond.cs b/T0/OpcodeJumpUncond.cs new file mode 100644 index 000000000000..e7d8a82bda3d --- /dev/null +++ b/T0/OpcodeJumpUncond.cs @@ -0,0 +1,61 @@ +/* + * Copyright (c) 2016 Thomas Pornin <pornin@bolet.org> + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sublicense, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +using System; +using System.Collections.Generic; + +class OpcodeJumpUncond : OpcodeJump { + + internal OpcodeJumpUncond() : base() + { + } + + internal OpcodeJumpUncond(int disp) : base(disp) + { + } + + /* + * Unconditional jumps do not "fall through" unless they + * happen to be a jump to the next instruction... + */ + internal override bool MayFallThrough { + get { + return JumpDisp == 0; + } + } + + internal override CodeElement ToCodeElement() + { + return new CodeElementJump(4); + } + + public override string ToString() + { + if (JumpDisp == Int32.MinValue) { + return "jump UNRESOLVED"; + } else { + return "jump disp=" + JumpDisp; + } + } +} |