mirror of
https://github.com/danbulant/Cosmos
synced 2026-05-27 22:12:25 +00:00
76 lines
No EOL
3.2 KiB
C#
76 lines
No EOL
3.2 KiB
C#
using System;
|
|
using Mono.Cecil;
|
|
using Mono.Cecil.Cil;
|
|
using CPU = Indy.IL2CPU.Assembler;
|
|
using CPUx86 = Indy.IL2CPU.Assembler.X86;
|
|
|
|
namespace Indy.IL2CPU.IL.X86 {
|
|
[OpCode(Code.Newarr, false)]
|
|
public class Newarr: Op {
|
|
private int mElementSize;
|
|
private string mCtorName;
|
|
|
|
public Newarr(TypeReference aTypeRef, string aBaseLabelName)
|
|
: base(null, null) {
|
|
Initialize(aTypeRef, aBaseLabelName);
|
|
}
|
|
|
|
public Newarr(Mono.Cecil.Cil.Instruction aInstruction, MethodInformation aMethodInfo)
|
|
: base(aInstruction, aMethodInfo) {
|
|
TypeReference xTypeRef = aInstruction.Operand as TypeReference;
|
|
if (xTypeRef == null) {
|
|
throw new Exception("No TypeRef found!");
|
|
}
|
|
Initialize(xTypeRef, GetInstructionLabel(aInstruction));
|
|
}
|
|
|
|
private void Initialize(TypeReference aTypeRef, string aBaseLabelName) {
|
|
TypeDefinition xTypeDef = Engine.GetDefinitionFromTypeReference(aTypeRef);
|
|
mElementSize = Engine.GetFieldStorageSize(aTypeRef);
|
|
TypeDefinition xArrayType = Engine.GetTypeDefinition("mscorlib", "System.Array");
|
|
MethodDefinition xCtor = xArrayType.Constructors[0];
|
|
mCtorName = CPU.Label.GenerateLabelName(xCtor);
|
|
Engine.QueueMethod(xCtor);
|
|
DoQueueMethod(GCImplementationRefs.AllocNewObjectRef);
|
|
}
|
|
|
|
public override void DoAssemble() {
|
|
new CPU.Comment("Element Size = " + mElementSize);
|
|
// element count is on the stack
|
|
int xElementCountSize = Assembler.StackSizes.Pop();
|
|
new CPUx86.Pop(CPUx86.Registers.ESI);
|
|
new CPUx86.Pushd(CPUx86.Registers.ESI);
|
|
//Assembler.StackSizes.Push(xElementCountSize);
|
|
new CPUx86.Pushd("0x" + mElementSize.ToString("X"));
|
|
Assembler.StackSizes.Push(4);
|
|
Multiply(Assembler);
|
|
// the total items size is now on the stack
|
|
new CPUx86.Pushd("0x" + (ObjectImpl.FieldDataOffset + 8).ToString("X"));
|
|
Assembler.StackSizes.Push(4);
|
|
Add(Assembler);
|
|
// the total array size is now on the stack.
|
|
Engine.QueueMethodRef(GCImplementationRefs.AllocNewObjectRef);
|
|
new CPUx86.Call(CPU.Label.GenerateLabelName(GCImplementationRefs.AllocNewObjectRef));
|
|
new CPUx86.Pushd(CPUx86.Registers.EAX);
|
|
new CPUx86.Pushd(CPUx86.Registers.EAX);
|
|
new CPUx86.Pushd(CPUx86.Registers.EAX);
|
|
new CPUx86.Pushd(CPUx86.Registers.EAX);
|
|
new CPUx86.Pushd(CPUx86.Registers.EAX);
|
|
//new CPUx86.Pushd(CPUx86.Registers.EDI);
|
|
Engine.QueueMethodRef(GCImplementationRefs.IncRefCountRef);
|
|
new CPUx86.Call(CPU.Label.GenerateLabelName(GCImplementationRefs.IncRefCountRef));
|
|
new CPUx86.Call(CPU.Label.GenerateLabelName(GCImplementationRefs.IncRefCountRef));
|
|
//new CPUx86.Popd(CPUx86.Registers.ESI);
|
|
Assembler.StackSizes.Push(4);
|
|
new CPUx86.Pop(CPUx86.Registers.EAX);
|
|
new CPUx86.Move("dword", CPUx86.Registers.AtEAX, "0x" + Engine.RegisterType(Engine.GetTypeDefinition("mscorlib", "System.Array")).ToString("X"));
|
|
new CPUx86.Add(CPUx86.Registers.EAX, "4");
|
|
new CPUx86.Move("dword", CPUx86.Registers.AtEAX, "0x" + InstanceTypeEnum.Array.ToString("X"));
|
|
new CPUx86.Add(CPUx86.Registers.EAX, "4");
|
|
new CPUx86.Move("dword", CPUx86.Registers.AtEAX, CPUx86.Registers.ESI);
|
|
new CPUx86.Add(CPUx86.Registers.EAX, "4");
|
|
new CPUx86.Move("dword", CPUx86.Registers.AtEAX, "0x" + mElementSize.ToString("X"));
|
|
new CPUx86.Call(mCtorName);
|
|
}
|
|
}
|
|
} |