mirror of
https://github.com/danbulant/Cosmos
synced 2026-05-20 04:48:53 +00:00
80 lines
3.6 KiB
C#
80 lines
3.6 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using CPU = Indy.IL2CPU.Assembler;
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using CPUx86 = Indy.IL2CPU.Assembler.X86;
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using Instruction = Mono.Cecil.Cil.Instruction;
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namespace Indy.IL2CPU.IL.X86 {
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public class X86CustomMethodImplementationOp: CustomMethodImplementationOp {
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public X86CustomMethodImplementationOp(Instruction aInstruction, MethodInformation aMethodInfo)
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: base(aInstruction, aMethodInfo) {
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}
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protected override void Assemble_System_UInt32___Indy_IL2CPU_CustomImplementation_System_StringImpl_GetStorage___System_UInt32___() {
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// arg 0 == this
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AssembleOp(new Ldarg(MethodInfo, 0));
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Assembler.Add(new CPUx86.Pop("eax"));
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uint xStorageSize;
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SortedList<string, TypeInformation.Field> xFields = Engine.GetTypeFieldInfo(Engine.GetMethodDefinition(Engine.GetTypeDefinition("mscorlib", "System.String"), ".ctor", "System.Char[]"), out xStorageSize);
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Assembler.Add(new CPUx86.Add("eax", "0" + xFields["$$Storage$$"].Offset.ToString("X") + "h"));
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Assembler.Add(new CPUx86.Move("eax", "[eax]"));
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Assembler.Add(new CPUx86.Add("eax", "12"));
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Assembler.Add(new CPUx86.Pushd("eax"));
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}
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private void AssembleOp(Op aOp) {
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aOp.Assembler = Assembler;
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aOp.Assemble();
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}
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protected override void Assemble_System_Object___System_Array_GetValue___System_Int32___() {
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// arg 0 == this
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// arg 1 == Index
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AssembleOp(new Ldarg(MethodInfo, 0));
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AssembleOp(new Ldarg(MethodInfo, 1));
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AssembleOp(new Ldelem_I4(null, MethodInfo));
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Assembler.Add(new CPUx86.Pop("eax"));
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}
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protected override void Assemble_System_Void___System_Array_SetValue___System_Object__System_Int32___() {
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// arg 0 == this
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// arg 1 == value
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// arg 2 == index
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AssembleOp(new Ldarg(MethodInfo, 0));
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AssembleOp(new Ldarg(MethodInfo, 2));
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AssembleOp(new Ldarg(MethodInfo, 1));
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Stelem_I4.Assemble(Assembler);
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}
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protected override void Assemble_System_Void___System_Runtime_CompilerServices_RuntimeHelpers_InitializeArray___System_Array__System_RuntimeFieldHandle___() {
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// Arguments:
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// Array aArray, RuntimeFieldHandle aFieldHandle
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// Assembler.Add(new CPUx86.Pushd(MethodInfo.Arguments[0].VirtualAddress));
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// Assembler.Add(new CPUx86.Pushd(MethodInfo.Arguments[1].VirtualAddress));
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// Op x = new Call(Engine.GetMethodDefinition(Engine.GetTypeDefinition("", "Indy.IL2CPU.CustomImplementation.CompilerServices.RuntimeHelpers"), "InitializeArrayImpl", "System.Int32[]", "System.Int32[]"));
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// x.Assembler = Assembler;
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// x.Assemble();
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Assembler.Add(new CPU.Literal(";In Pure ASM defined"));
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Assembler.Add(new CPUx86.Move("eax", "0"));
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Assembler.Add(new CPUx86.Move("edi", "[" + MethodInfo.Arguments[0].VirtualAddress + "]"));
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Assembler.Add(new CPUx86.Move("esi", "[" + MethodInfo.Arguments[1].VirtualAddress + "]"));
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Assembler.Add(new CPUx86.Add("dword esi", "8"));
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Assembler.Add(new CPUx86.Move("ecx", "[esi]"));
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Assembler.Add(new CPUx86.Add("dword esi", "4"));
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Assembler.Add(new CPUx86.Add("dword edi", "12"));
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Assembler.Add(new CPU.Label(".StartLoop"));
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Assembler.Add(new CPUx86.Move("edx", "[esi]"));
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Assembler.Add(new CPUx86.Move("[edi]", "edx"));
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Assembler.Add(new CPUx86.Add("eax", "4"));
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Assembler.Add(new CPUx86.Add("dword esi", "4"));
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Assembler.Add(new CPUx86.Add("dword edi", "4"));
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Assembler.Add(new CPUx86.Compare("eax", "ecx"));
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Assembler.Add(new CPUx86.JumpIfEquals(".EndLoop"));
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Assembler.Add(new CPUx86.JumpAlways(".StartLoop"));
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Assembler.Add(new CPU.Label(".EndLoop"));
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}
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}
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}
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