mirror of
https://github.com/danbulant/Cosmos
synced 2026-05-21 21:38:52 +00:00
41 lines
No EOL
1.5 KiB
C#
41 lines
No EOL
1.5 KiB
C#
using System;
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using System.Linq;
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using Indy.IL2CPU.IL.X86;
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using Mono.Cecil;
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using Mono.Cecil.Cil;
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using CPU = Indy.IL2CPU.Assembler;
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using CPUx86 = Indy.IL2CPU.Assembler.X86;
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using CPUNative = Indy.IL2CPU.Assembler.NativeX86;
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namespace Indy.IL2CPU.IL.NativeX86 {
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public class NativeX86MethodHeaderOp: X86MethodHeaderOp {
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public const string ISR_Suffix = "______ISR____WRAPPER";
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private bool mIsInterruptHandler = false;
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private byte mInterruptValue;
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public NativeX86MethodHeaderOp(Instruction aInstruction, MethodInformation aMethodInfo)
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: base(aInstruction, aMethodInfo) {
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foreach (CustomAttribute xAttrib in aMethodInfo.MethodDefinition.CustomAttributes) {
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if (xAttrib.Constructor.DeclaringType.FullName == typeof(InterruptServiceRoutineAttribute).FullName) {
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mIsInterruptHandler = true;
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mInterruptValue = (byte)xAttrib.ConstructorParameters[0];
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break;
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}
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}
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}
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public override void DoAssemble() {
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if (mIsInterruptHandler) {
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string xWrapperName = LabelName + ISR_Suffix;
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Assembler.Add(new CPU.Label(xWrapperName));
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Assembler.Add(new CPU.Literal(";" + mInterruptValue));
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Assembler.Add(new CPUNative.Pushad());
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Assembler.Add(new CPUNative.Cli());
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Assembler.Add(new CPUx86.Call(LabelName));
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Assembler.Add(new CPUNative.Popad());
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Assembler.Add(new CPUNative.IRet());
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}
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// TODO: add support for variables with a diff datasize, other than 32bit
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AssembleHeader(Assembler, LabelName, LocalsCount);
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}
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}
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} |