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Diffstat (limited to 'contrib/bearssl/T0/OpcodeCall.cs')
-rw-r--r-- | contrib/bearssl/T0/OpcodeCall.cs | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/contrib/bearssl/T0/OpcodeCall.cs b/contrib/bearssl/T0/OpcodeCall.cs new file mode 100644 index 000000000000..098004225dce --- /dev/null +++ b/contrib/bearssl/T0/OpcodeCall.cs @@ -0,0 +1,71 @@ +/* + * 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 OpcodeCall : Opcode { + + Word target; + + internal OpcodeCall() : this(null) + { + } + + internal OpcodeCall(Word target) + { + this.target = target; + } + + internal override void ResolveTarget(Word target) + { + if (this.target != null) { + throw new Exception("Opcode already resolved"); + } + this.target = target; + } + + internal override void Run(CPU cpu) + { + target.Run(cpu); + } + + internal override Word GetReference(T0Comp ctx) + { + if (target == null) { + throw new Exception("Unresolved call target"); + } + return target; + } + + internal override CodeElement ToCodeElement() + { + return new CodeElementUInt((uint)target.Slot); + } + + public override string ToString() + { + return "call " + (target == null ? "UNRESOLVED" : target.Name); + } +} |