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-rw-r--r--contrib/bearssl/T0/OpcodeCall.cs71
1 files changed, 71 insertions, 0 deletions
diff --git a/contrib/bearssl/T0/OpcodeCall.cs b/contrib/bearssl/T0/OpcodeCall.cs
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+++ b/contrib/bearssl/T0/OpcodeCall.cs
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+/*
+ * 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);
+ }
+}