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zydis/assets/InstructionEditor/Zydis.CodeGenerator.pas

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unit Zydis.CodeGenerator;
interface
uses
System.Classes, System.Generics.Collections, Zydis.InstructionEditor;
type
TLanguageBinding = class;
TLanguageBindingClass = class of TLanguageBinding;
TIndexedInstructionFilter = record
public
Id: Integer;
Filter: TInstructionFilter;
Items: array of TIndexedInstructionFilter;
IsRedirect: Boolean;
end;
TIndexedInstructionDefinition = record
public
Id: Integer;
Definition: TInstructionDefinition;
end;
TIndexedInstructionFilterList =
TArray<TPair<TInstructionFilterClass, TArray<TIndexedInstructionFilter>>>;
TIndexedInstructionDefinitionList = TArray<TIndexedInstructionDefinition>;
TMnemonicList = TArray<String>;
TOperandList = TArray<TInstructionOperands>;
TOperandMapping = array[1..5] of TOperandList;
TCodeGeneratorStatistics = record
public
MnemonicCount: Integer;
MnemonicSize: Cardinal;
InstructionDefinitionCount: Integer;
InstructionDefinitionSize: Cardinal;
OperandDefinitionCount: Integer;
OperandDefinitionSize: Cardinal;
InstructionFilterCount: Integer;
InstructionFilterSize: Cardinal;
TotalSize: Cardinal;
end;
TGeneratorWorkStartEvent =
procedure(Sender: TObject; const OperationName: String;
OperationCount, OperationNumber: Integer; MinWorkCount, MaxWorkCount: Integer) of Object;
TGeneratorWorkEvent =
procedure(Sender: TObject; WorkCount: Integer) of Object;
TCodeGenerator = class(TObject)
strict private
class var FLanguageBindings: TList<TLanguageBindingClass>;
strict private
FCurrentOperationNumber: Integer;
strict private
FOnWorkStart: TGeneratorWorkStartEvent;
FOnWork: TGeneratorWorkEvent;
FOnWorkEnd: TNotifyEvent;
strict private
procedure WorkStart(const OperationName: String; MinWorkCount, MaxWorkCount: Integer); inline;
procedure Work(WorkCount: Integer); inline;
procedure WorkEnd; inline;
strict private
procedure CreateMnemonicList(Editor: TInstructionEditor; var MnemonicList: TMnemonicList;
var MnemonicCount: Integer; var MnemonicSize: Cardinal);
procedure CreateInstructionDefinitionList(Editor: TInstructionEditor;
var DefinitionList: TIndexedInstructionDefinitionList;
var InstructionDefinitionCount: Integer; var InstructionDefinitionSize: Cardinal);
procedure CreateOperandMapping(const DefinitionList: TIndexedInstructionDefinitionList;
var OperandMapping: TOperandMapping; var OperandDefinitionCount: Integer;
var OperandDefinitionSize: Cardinal);
procedure CreateInstructionFilterList(Editor: TInstructionEditor;
const DefinitionList: TIndexedInstructionDefinitionList;
var FilterList: TIndexedInstructionFilterList; var InstructionFilterCount: Integer;
var InstructionFilterSize: Cardinal);
procedure CreateSnapshot(Editor: TInstructionEditor; var Statistics: TCodeGeneratorStatistics;
var MnemonicList: TMnemonicList;
var DefinitionList: TIndexedInstructionDefinitionList; var OperandMapping: TOperandMapping;
var FilterList: TIndexedInstructionFilterList);
strict private
procedure GenerateInternalStructs(const OutputDirectory: String;
const MnemonicList: TMnemonicList; const DefinitionList: TIndexedInstructionDefinitionList;
const OperandMapping: TOperandMapping; const FilterList: TIndexedInstructionFilterList);
procedure GenerateMnemonicIncludes(const OutputDirectory: String;
const MnemonicList: TMnemonicList);
procedure GenerateInstructionDefinitions(const OutputDirectory: String;
const DefinitionList: TIndexedInstructionDefinitionList;
const OperandMapping: TOperandMapping);
procedure GenerateOperandDefinitions(const OutputDirectory: String;
const OperandMapping: TOperandMapping);
procedure GenerateInstructionFilters(const OutputDirectory: String;
const FilterList: TIndexedInstructionFilterList);
private
class procedure RegisterLanguageBinding(Binding: TLanguageBindingClass);
public
procedure GenerateCode(Editor: TInstructionEditor; const OutputDirectory: String); overload;
procedure GenerateCode(Editor: TInstructionEditor; const OutputDirectory: String;
var Statistics: TCodeGeneratorStatistics); overload;
public
class constructor Create;
class destructor Destroy;
public
constructor Create;
public
property OnWorkStart: TGeneratorWorkStartEvent read FOnWorkStart write FOnWorkStart;
property OnWork: TGeneratorWorkEvent read FOnWork write FOnWork;
property OnWorkEnd: TNotifyEvent read FOnWorkEnd write FOnWorkEnd;
end;
TLanguageBinding = class(TObject)
protected
class function GetName: String; virtual; abstract;
class procedure GenerateCode(Generator: TCodeGenerator;
const OutputDirectory: String); virtual; abstract;
protected
constructor Create;
end;
TLanguageBindingCPP = class(TLanguageBinding)
protected
class function GetName: String; override;
class procedure GenerateCode(Generator: TCodeGenerator;
const OutputDirectory: String); override;
end;
TLanguageBindingDelphi = class(TLanguageBinding)
protected
class function GetName: String; override;
class procedure GenerateCode(Generator: TCodeGenerator;
const OutputDirectory: String); override;
end;
TLanguageBindingPython = class(TLanguageBinding)
protected
class function GetName: String; override;
class procedure GenerateCode(Generator: TCodeGenerator;
const OutputDirectory: String); override;
end;
implementation
uses
System.SysUtils, System.Generics.Defaults, Zydis.InstructionFilters, untHelperClasses;
const
MNEMONIC_ALIASES: array[0..0] of String = (
'nop'
);
SIZEOF_INSTRUCTIONTABLENODE = 3;
SIZEOF_INSTRUCTIONDEFINITION = 10;
SIZEOF_OPERANDDEFINITION = 2;
DIRECTORY_INCLUDE_INTERNAL = 'include\Zydis\Internal';
FILENAME_INSTRUCTIONFILTERS = 'InstructionFilters.inc';
FILENAME_MNEMONICDEFINES = 'MnemonicDefines.inc';
FILENAME_MNEMONICSTRINGS = 'MnemonicStrings.inc';
FILENAME_INSTRUCTIONDEFINITIONS = 'InstructionDefinitions.inc';
FILENAME_OPERANDDEFINITIONS = 'OperandDefinitions.inc';
FILENAME_INTERNALSTRUCTS = 'InternalStructs.inc';
{ TCodeGenerator }
constructor TCodeGenerator.Create;
begin
inherited Create;
end;
procedure TCodeGenerator.CreateInstructionDefinitionList(Editor: TInstructionEditor;
var DefinitionList: TIndexedInstructionDefinitionList; var InstructionDefinitionCount: Integer;
var InstructionDefinitionSize: Cardinal);
var
List: TList<TInstructionDefinition>;
I, J: Integer;
B: Boolean;
Comparison: TComparison<TInstructionDefinition>;
begin
List := TList<TInstructionDefinition>.Create;
try
WorkStart('Indexing instruction definitions', 0, Editor.DefinitionCount * 2);
for I := 0 to Editor.DefinitionCount - 1 do
begin
B := false;
for J := 0 to List.Count - 1 do
begin
if (Editor.Definitions[I].Equals(List[J], false, false)) then
begin
B := true;
Break;
end;
end;
if (not B) then
begin
List.Add(Editor.Definitions[I]);
end;
Work(I + 1);
end;
Comparison :=
function(const Left, Right: TInstructionDefinition): Integer
begin
Result := CompareStr(Left.Mnemonic, Right.Mnemonic);
end;
List.Sort(TComparer<TInstructionDefinition>.Construct(Comparison));
SetLength(DefinitionList, List.Count);
for I := 0 to List.Count - 1 do
begin
DefinitionList[I].Id := I;
DefinitionList[I].Definition := List[I];
Work(Editor.DefinitionCount + I + 1);
end;
WorkEnd;
finally
List.Free;
end;
InstructionDefinitionCount := Length(DefinitionList);
InstructionDefinitionSize := Length(DefinitionList) * SIZEOF_INSTRUCTIONDEFINITION;
end;
procedure TCodeGenerator.CreateInstructionFilterList(Editor: TInstructionEditor;
const DefinitionList: TIndexedInstructionDefinitionList;
var FilterList: TIndexedInstructionFilterList; var InstructionFilterCount: Integer;
var InstructionFilterSize: Cardinal);
var
IndexDict: TDictionary<TInstructionFilterClass, Integer>;
procedure CreateChildIndizes(var Root: TIndexedInstructionFilter);
var
I, J: Integer;
begin
SetLength(Root.Items, Root.Filter.Capacity);
FillChar(Root.Items[0], Length(Root.Items) * SizeOf(Root.Items[0]), #0);
for I := 0 to Root.Filter.Capacity - 1 do
begin
Root.Items[I].Id := -1;
Root.Items[I].Filter := Root.Filter.Items[I];
if (Assigned(Root.Items[I].Filter)) then
begin
if (not IndexDict.ContainsKey(TInstructionFilterClass(Root.Filter.Items[I].ClassType))) then
begin
Root.Items[I].Id := 0;
IndexDict.Add(TInstructionFilterClass(Root.Filter.Items[I].ClassType), 1);
end else
begin
Root.Items[I].Id := IndexDict[TInstructionFilterClass(Root.Filter.Items[I].ClassType)];
IndexDict[TInstructionFilterClass(Root.Filter.Items[I].ClassType)] := Root.Items[I].Id + 1;
end;
if (Root.Items[I].Filter.IsDefinitionContainer) then
begin
// Fix mnemonic index
for J := Low(DefinitionList) to High(DefinitionList) do
begin
if (TDefinitionContainer(Root.Items[I].Filter).Definitions[0].Equals(
DefinitionList[J].Definition, false, false)) then
begin
Root.Items[I].Id := DefinitionList[J].Id;
Break;
end;
end;
end else
begin
Inc(InstructionFilterCount);
Inc(InstructionFilterSize, Root.Items[I].Filter.GetCapacity * SIZEOF_INSTRUCTIONTABLENODE);
if (Root.Items[I].Filter.NeutralElementType = netPlaceholder) then
begin
Dec(InstructionFilterSize, SIZEOF_INSTRUCTIONTABLENODE);
end;
Work(InstructionFilterCount);
end;
CreateChildIndizes(Root.Items[I]);
end;
end;
end;
var
ListDict: TDictionary<TInstructionFilterClass, TList<TIndexedInstructionFilter>>;
procedure AddFiltersToListDict(const Root: TIndexedInstructionFilter);
var
FilterList: TList<TIndexedInstructionFilter>;
I: Integer;
begin
if (Root.IsRedirect) then Exit;
if (not ListDict.ContainsKey(TInstructionFilterClass(Root.Filter.ClassType))) then
begin
FilterList := TList<TIndexedInstructionFilter>.Create;
ListDict.Add(TInstructionFilterClass(Root.Filter.ClassType), FilterList);
end else
begin
FilterList := ListDict[TInstructionFilterClass(Root.Filter.ClassType)];
end;
FilterList.Add(Root);
for I := Low(Root.Items) to High(Root.Items) do
begin
if (Root.Items[I].Id < 0) or (Root.Items[I].Filter is TEncodingFilter) then Continue;
AddFiltersToListDict(Root.Items[I]);
end;
end;
var
I, J, K: Integer;
Root, Temp: TIndexedInstructionFilter;
A: TArray<TPair<TInstructionFilterClass, TList<TIndexedInstructionFilter>>>;
begin
IndexDict := TDictionary<TInstructionFilterClass, Integer>.Create;
try
// Generate internal tree structure
Root.Id := 0;
Root.Filter := Editor.RootTable;
Root.IsRedirect := false;
IndexDict.Add(TOpcodeFilter, 1);
InstructionFilterCount := 1;
InstructionFilterSize := 256 * SIZEOF_INSTRUCTIONTABLENODE;
WorkStart('Indexing instruction filters', 0, Editor.FilterCount - 1);
CreateChildIndizes(Root);
WorkEnd;
// Unlink encoding filters
Root.Items[$0F].Items[$0F] := Root.Items[$0F].Items[$0F].Items[$01];
Temp := Root.Items[$C4].Items[$03];
Temp.Items[$00] := Root.Items[$C4].Items[$00];
Root.Items[$C4] := Temp;
Temp := Root.Items[$C5].Items[$03];
Temp.Items[$00] := Root.Items[$C5].Items[$00];
Root.Items[$C5] := Temp;
Temp := Root.Items[$62].Items[$04];
Temp.Items[$00] := Root.Items[$62].Items[$00];
Root.Items[$62] := Temp;
Temp := Root.Items[$8F].Items[$02];
Temp.Items[$00] := Root.Items[$8F].Items[$00];
Root.Items[$8F] := Temp;
// Initialize 2-byte VEX filter
Root.Items[$C5].Items[$01] := Root.Items[$C4].Items[$01]; // 0x0F
Root.Items[$C5].Items[$01].IsRedirect := true;
Root.Items[$C5].Items[$05] := Root.Items[$C4].Items[$05]; // 0x66 0x0F
Root.Items[$C5].Items[$05].IsRedirect := true;
Root.Items[$C5].Items[$09] := Root.Items[$C4].Items[$09]; // 0xF3 0x0F
Root.Items[$C5].Items[$09].IsRedirect := true;
Root.Items[$C5].Items[$0D] := Root.Items[$C4].Items[$0D]; // 0xF2 0x0F
Root.Items[$C5].Items[$0D].IsRedirect := true;
Dec(InstructionFilterCount, 5);
Dec(InstructionFilterSize, 5 * TEncodingFilter.GetCapacity * SIZEOF_INSTRUCTIONTABLENODE);
// Generate filter list
ListDict := TObjectDictionary<TInstructionFilterClass,
TList<TIndexedInstructionFilter>>.Create([doOwnsValues]);
try
AddFiltersToListDict(Root);
A := ListDict.ToArray;
SetLength(FilterList, Length(A));
for I := Low(A) to High(A) do
begin
FilterList[I].Key := A[I].Key;
FilterList[I].Value := A[I].Value.ToArray;
// Clear recursive child-item arrays
for J := Low(FilterList[I].Value) to HigH(FilterList[I].Value) do
begin
for K := Low(FilterList[I].Value[J].Items) to High(FilterList[I].Value[J].Items) do
begin
SetLength(FilterList[I].Value[J].Items[K].Items, 0);
end;
end;
end;
finally
ListDict.Free;
end;
finally
IndexDict.Free;
end;
end;
procedure TCodeGenerator.CreateMnemonicList(Editor: TInstructionEditor;
var MnemonicList: TMnemonicList; var MnemonicCount: Integer; var MnemonicSize: Cardinal);
var
I: Integer;
List: TList<String>;
Comparison: TComparison<String>;
begin
WorkStart('Creating mnemonic list', 0, Editor.DefinitionCount);
MnemonicSize := 0;
List := TList<String>.Create;
try
for I := 0 to Editor.DefinitionCount - 1 do
begin
List.Add(Editor.Definitions[I].Mnemonic);
Work(I);
end;
for I := Low(MNEMONIC_ALIASES) to High(MNEMONIC_ALIASES) do
begin
List.Add(MNEMONIC_ALIASES[I]);
end;
Comparison :=
function(const Left, Right: String): Integer
begin
Result := CompareStr(Left, Right);
end;
List.Sort(TComparer<String>.Construct(Comparison));
for I := List.Count - 1 downto 1 do
begin
if (List[I] = List[I - 1]) then
begin
List.Delete(I);
end;
end;
List.Insert(0, 'invalid');
SetLength(MnemonicList, List.Count);
for I := 0 to List.Count - 1 do
begin
MnemonicList[I] := List[I];
Inc(MnemonicSize, Length(MnemonicList[I]));
end;
finally
List.Free;
end;
MnemonicCount := Length(MnemonicList);
WorkEnd;
end;
procedure TCodeGenerator.CreateOperandMapping(
const DefinitionList: TIndexedInstructionDefinitionList; var OperandMapping: TOperandMapping;
var OperandDefinitionCount: Integer; var OperandDefinitionSize: Cardinal);
var
I, J: Integer;
B: Boolean;
OperandsUsed: Integer;
begin
WorkStart('Processing instruction operands', Low(DefinitionList), High(DefinitionList));
for I := Low(DefinitionList) to High(DefinitionList) do
begin
OperandsUsed := DefinitionList[I].Definition.Operands.OperandsUsed;
if (OperandsUsed = 0) then
begin
Continue;
end;
B := false;
for J := Low(OperandMapping[OperandsUsed]) to High(OperandMapping[OperandsUsed]) do
begin
if (OperandMapping[OperandsUsed][J].Equals(DefinitionList[I].Definition.Operands)) then
begin
B := true;
Break;
end;
end;
if (not B) then
begin
SetLength(OperandMapping[OperandsUsed], Length(OperandMapping[OperandsUsed]) + 1);
OperandMapping[OperandsUsed][High(OperandMapping[OperandsUsed])] :=
DefinitionList[I].Definition.Operands;
end;
Work(I);
end;
WorkEnd;
for I := Low(OperandMapping) to High(OperandMapping) do
begin
Inc(OperandDefinitionCount, Length(OperandMapping[I]));
Inc(OperandDefinitionSize, I * Length(OperandMapping[I]) * SIZEOF_OPERANDDEFINITION);
end;
end;
class constructor TCodeGenerator.Create;
begin
FLanguageBindings := TList<TLanguageBindingClass>.Create;
end;
procedure TCodeGenerator.CreateSnapshot(Editor: TInstructionEditor;
var Statistics: TCodeGeneratorStatistics; var MnemonicList: TMnemonicList;
var DefinitionList: TIndexedInstructionDefinitionList; var OperandMapping: TOperandMapping;
var FilterList: TIndexedInstructionFilterList);
begin
// Create sorted mnemonic list with all aliases
CreateMnemonicList(Editor, MnemonicList, Statistics.MnemonicCount, Statistics.MnemonicSize);
// Create definition indizes and a sorted definition-list
CreateInstructionDefinitionList(Editor, DefinitionList, Statistics.InstructionDefinitionCount,
Statistics.InstructionDefinitionSize);
// Sort operands and eliminate duplicates
CreateOperandMapping(DefinitionList, OperandMapping, Statistics.OperandDefinitionCount,
Statistics.OperandDefinitionSize);
// Create indexed instruction-filter list
CreateInstructionFilterList(Editor, DefinitionList, FilterList, Statistics.InstructionFilterCount,
Statistics.InstructionFilterSize);
Statistics.TotalSize := Statistics.MnemonicSize + Statistics.InstructionDefinitionSize +
Statistics.OperandDefinitionSize + Statistics.InstructionFilterSize;
end;
class destructor TCodeGenerator.Destroy;
begin
FLanguageBindings.Free;
end;
procedure TCodeGenerator.GenerateCode(Editor: TInstructionEditor;
const OutputDirectory: String; var Statistics: TCodeGeneratorStatistics);
var
FilterList: TIndexedInstructionFilterList;
DefinitionList: TIndexedInstructionDefinitionList;
OperandMapping: TOperandMapping;
MnemonicList: TMnemonicList;
Directory: String;
begin
// Check error cases
if (not Assigned(Editor.RootTable)) then
begin
raise Exception.Create('The instruction editor does not contain tables.');
end;
if (Editor.RootTable.HasConflicts) then
begin
raise Exception.Create('The instruction editor has unresolved conflicts.');
end;
FCurrentOperationNumber := 0;
FillChar(Statistics, SizeOf(Statistics), #0);
CreateSnapshot(Editor, Statistics, MnemonicList, DefinitionList, OperandMapping, FilterList);
Directory := IncludeTrailingPathDelimiter(OutputDirectory) + DIRECTORY_INCLUDE_INTERNAL;
ForceDirectories(Directory);
GenerateMnemonicIncludes(Directory, MnemonicList);
GenerateInstructionDefinitions(Directory, DefinitionList, OperandMapping);
GenerateOperandDefinitions(Directory, OperandMapping);
GenerateInstructionFilters(Directory, FilterList);
GenerateInternalStructs(Directory, MnemonicList, DefinitionList, OperandMapping, FilterList);
end;
procedure TCodeGenerator.GenerateInstructionDefinitions(const OutputDirectory: String;
const DefinitionList: TIndexedInstructionDefinitionList; const OperandMapping: TOperandMapping);
procedure AppendInstructionDefinition(Buffer: TStringBuffer; Index: Integer;
Definition: TInstructionDefinition);
var
I, O: Integer;
S, T, U: String;
begin
O := Definition.Operands.OperandsUsed;
if (O > 0) then
begin
for I := Low(OperandMapping[O]) to High(OperandMapping[O]) do
begin
if (OperandMapping[O][I].Equals(Definition.Operands)) then
begin
O := I;
Break;
end;
end;
end;
S := 'ZYDIS_EVEXB_FUNCTIONALITY_NONE'; T := 'false'; U := 'false';
if (ifAcceptsEvexAAA in Definition.Flags) then S := 'true';
if (ifAcceptsEvexZ in Definition.Flags) then T := 'true';
if (ifHasEvexBC in Definition.Flags) then U := 'ZYDIS_EVEXB_FUNCTIONALITY_BC'
else
if (ifHasEvexRC in Definition.Flags) then U := 'ZYDIS_EVEXB_FUNCTIONALITY_RC'
else
if (ifHasEvexSAE in Definition.Flags) then U := 'ZYDIS_EVEXB_FUNCTIONALITY_SAE';
Buffer.Append(Format(' /*%.4x*/ ', [Index]));
Buffer.Append(Format('ZYDIS_MAKE_INSTRUCTIONDEFINITION(ZYDIS_MNEMONIC_%s, 0x%.4x, %s, %s, %s)', [
AnsiUpperCase(Definition.Mnemonic), O, U, S, T]));
end;
var
Buffer: TStringBuffer;
List: TStringList;
I: Integer;
begin
Buffer := TStringBuffer.Create;
try
Buffer.AppendLn('const ZydisInternalInstructionDefinition instructionDefinitions[] =');
Buffer.AppendLn('{');
WorkStart('Generating instruction definitions', 0, Length(DefinitionList));
for I := Low(DefinitionList) to High(DefinitionList) do
begin
AppendInstructionDefinition(Buffer, I, DefinitionList[I].Definition);
if (I <> High(DefinitionList)) then
begin
Buffer.AppendLn(',');
end else
begin
Buffer.AppendLn('');
end;
Work(I + 1);
end;
WorkEnd;
if (Length(DefinitionList) = 0) then
begin
Buffer.AppendLn(' /*0000*/ { ZYDIS_MNEMONIC_INVALID }');
end;
Buffer.AppendLn('};');
List := TStringList.Create;
try
List.Text := Buffer.Value;
List.SaveToFile(IncludeTrailingPathDelimiter(OutputDirectory) +
FILENAME_INSTRUCTIONDEFINITIONS);
finally
List.Free;
end;
finally
Buffer.Free;
end;
end;
procedure TCodeGenerator.GenerateInstructionFilters(const OutputDirectory: String;
const FilterList: TIndexedInstructionFilterList);
var
Buffer: TStringBuffer;
StringList: TStringList;
A: ^TArray<TIndexedInstructionFilter>;
WorkCount,
IndexShift: Integer;
I, J, K: Integer;
begin
Buffer := TStringBuffer.Create;
try
WorkCount := 0;
for I := Low(FilterList) to High(FilterList) do
begin
if (FilterList[I].Key = TDefinitionContainer) then Continue;
Inc(WorkCount, Length(FilterList[I].Value));
end;
WorkStart('Generating instruction filters', 0, WorkCount);
WorkCount := 0;
for I := Low(InstructionFilterClasses) to High(InstructionFilterClasses) do
begin
if (InstructionFilterClasses[I] = TEncodingFilter) then Continue;
IndexShift := 0;
if (InstructionFilterClasses[I].GetNeutralElementType = netPlaceholder) then
begin
IndexShift := 1;
end;
// Open the filter-array
Buffer.AppendLn(Format('const ZydisInternalInstructionTableNode filter%s[][%d] = ', [
InstructionFilterClasses[I].GetDescription,
Integer(InstructionFilterClasses[I].GetCapacity) - IndexShift]));
Buffer.AppendLn('{');
A := nil;
for J := Low(FilterList) to High(FilterList) do
begin
if (FilterList[J].Key = InstructionFilterClasses[I]) then
begin
A := @FilterList[J].Value;
Break;
end;
end;
if (Assigned(A)) then
begin
// Add all filters of the current type
for J := Low(A^) to High(A^) do
begin
// Open the local filter array
Buffer.AppendLn(' {');
// Add all filter values of the current filter
for K := IndexShift to High(A^[J].Items) do
begin
Buffer.Append(Format(' /*%.4x*/ ', [K]));
if (A^[J].Items[K].Id < 0) then
begin
Buffer.Append('ZYDIS_INVALID');
end else if (A^[J].Items[K].Filter is TDefinitionContainer) then
begin
Assert((A^[J].Items[K].Filter as TDefinitionContainer).DefinitionCount = 1);
Buffer.Append(Format('ZYDIS_DEFINITION_%dOP(0x%.4x)', [
(A^[J].Items[K].Filter as TDefinitionContainer).Definitions[
0].Operands.OperandsUsed, A^[J].Items[K].Id]));
end else
begin
Buffer.Append(Format('ZYDIS_FILTER(ZYDIS_NODETYPE_FILTER_%s, 0x%.4x)', [
AnsiUpperCase(
TInstructionFilterClass(A^[J].Items[K].Filter.ClassType).GetDescription),
A^[J].Items[K].Id]));
end;
if (K < High(A^[J].Items)) then
begin
Buffer.AppendLn(',');
end else
begin
Buffer.AppendLn('');
end;
end;
// Close the local filter array
Buffer.Append(' }');
if (J < High(A^)) then
begin
Buffer.AppendLn(',');
end else
begin
Buffer.AppendLn('');
end;
Inc(WorkCount);
Work(WorkCount);
end;
end else
begin
Buffer.AppendLn(' {');
for J := IndexShift to InstructionFilterClasses[I].GetCapacity - 1 do
begin
Buffer.Append(Format(' /*%.4x*/ ZYDIS_INVALID', [J]));
if (J < Integer(InstructionFilterClasses[I].GetCapacity - 1)) then
begin
Buffer.AppendLn(',');
end else
begin
Buffer.AppendLn('');
end;
end;
Buffer.AppendLn(' }');
end;
// Close the filter array
Buffer.AppendLn('};');
if (I < High(InstructionFilterClasses)) then
begin
Buffer.AppendLn('');
end;
end;
WorkEnd;
StringList := TStringList.Create;
try
StringList.Text := Buffer.Value;
StringList.SaveToFile(
IncludeTrailingPathDelimiter(OutputDirectory) + FILENAME_INSTRUCTIONFILTERS);
finally
StringList.Free;
end;
finally
Buffer.Free;
end;
end;
procedure TCodeGenerator.GenerateInternalStructs(const OutputDirectory: String;
const MnemonicList: TMnemonicList; const DefinitionList: TIndexedInstructionDefinitionList;
const OperandMapping: TOperandMapping; const FilterList: TIndexedInstructionFilterList);
var
HighestMnemonicId,
HighestInstructionDefinitionId,
HighestOperandDefinitionId,
HighestInstructionFilterId: Integer;
I: Integer;
begin
HighestMnemonicId := High(MnemonicList);
HighestInstructionDefinitionId := High(DefinitionList);
HighestOperandDefinitionId := 0;
for I := Low(OperandMapping) to High(OperandMapping) do
begin
if (High(OperandMapping[I]) > HighestOperandDefinitionId) then
begin
HighestOperandDefinitionId := High(OperandMapping[I]);
end;
end;
HighestInstructionFilterId := 0;
for I := Low(FilterList) to High(FilterList) do
begin
if (High(FilterList[I].Value) > HighestInstructionFilterId) then
begin
HighestInstructionFilterId := High(FilterList[I].Value);
end;
end;
// TODO:
end;
procedure TCodeGenerator.GenerateMnemonicIncludes(const OutputDirectory: String;
const MnemonicList: TMnemonicList);
var
Buffer: TStringBuffer;
List: TStringList;
I: Integer;
begin
List := TStringList.Create;
try
WorkStart('Generating mnemonic defines', Low(MnemonicList), High(MnemonicList));
Buffer := TStringBuffer.Create;
try
for I := Low(MnemonicList) to High(MnemonicList) do
begin
Buffer.Append(Format('#define /*%.4x*/ ZYDIS_MNEMONIC_%s 0x%.4x', [
I, AnsiUpperCase(MnemonicList[I]), I]));
Buffer.AppendLn('');
Work(I);
end;
List.Text := Buffer.Value;
List.SaveToFile(IncludeTrailingPathDelimiter(OutputDirectory) + FILENAME_MNEMONICDEFINES);
finally
Buffer.Free;
end;
WorkEnd;
WorkStart('Generating mnemonic strings', Low(MnemonicList), High(MnemonicList));
Buffer := TStringBuffer.Create;
try
for I := Low(MnemonicList) to High(MnemonicList) do
begin
Buffer.Append(Format(' /*%.4x*/ "%s"', [I, AnsiLowerCase(MnemonicList[I])]));
if (I = High(MnemonicList)) then
begin
Buffer.AppendLn('');
end else
begin
Buffer.AppendLn(',');
end;
Work(I);
end;
List.Text := Buffer.Value;
List.SaveToFile(IncludeTrailingPathDelimiter(OutputDirectory) + FILENAME_MNEMONICSTRINGS);
finally
Buffer.Free;
end;
WorkEnd;
finally
List.Free;
end;
end;
procedure TCodeGenerator.GenerateOperandDefinitions(const OutputDirectory: String;
const OperandMapping: TOperandMapping);
procedure AppendOperand(Buffer: TStringBuffer; Operand: TInstructionOperand);
var
OperandType,
OperandEncoding,
OperandAccessMode: String;
begin
OperandType := 'UNUSED';
case Operand.OperandType of
optGPR8 : OperandType := 'GPR8';
optGPR16 : OperandType := 'GPR16';
optGPR32 : OperandType := 'GPR32';
optGPR64 : OperandType := 'GPR64';
optFPR : OperandType := 'FPR';
optVR64 : OperandType := 'VR64';
optVR128 : OperandType := 'VR128';
optVR256 : OperandType := 'VR256';
optVR512 : OperandType := 'VR512';
optCR : OperandType := 'CR';
optDR : OperandType := 'DR';
optMSKR : OperandType := 'MSKR';
optBNDR : OperandType := 'BNDR';
optMem : OperandType := 'MEM';
optMem8 : OperandType := 'MEM8';
optMem16 : OperandType := 'MEM16';
optMem32 : OperandType := 'MEM32';
optMem64 : OperandType := 'MEM64';
optMem80 : OperandType := 'MEM80';
optMem128 : OperandType := 'MEM128';
optMem256 : OperandType := 'MEM256';
optMem512 : OperandType := 'MEM512';
optMem32Bcst2 : OperandType := 'MEM32_BCST2';
optMem32Bcst4 : OperandType := 'MEM32_BCST4';
optMem32Bcst8 : OperandType := 'MEM32_BCST8';
optMem32Bcst16: OperandType := 'MEM32_BCST16';
optMem64Bcst2 : OperandType := 'MEM64_BCST2';
optMem64Bcst4 : OperandType := 'MEM64_BCST4';
optMem64Bcst8 : OperandType := 'MEM64_BCST8';
optMem64Bcst16: OperandType := 'MEM64_BCST16';
optMem112 : OperandType := 'MEM112';
optMem224 : OperandType := 'MEM224';
optImm8 : OperandType := 'IMM8';
optImm16 : OperandType := 'IMM16';
optImm32 : OperandType := 'IMM32';
optImm64 : OperandType := 'IMM64';
optImm8U : OperandType := 'IMM8U';
optRel8 : OperandType := 'REL8';
optRel16 : OperandType := 'REL16';
optRel32 : OperandType := 'REL32';
optRel64 : OperandType := 'REL64';
optPtr1616 : OperandType := 'PTR1616';
optPtr1632 : OperandType := 'PTR1632';
optPtr1664 : OperandType := 'PTR1664';
optMoffs16 : OperandType := 'MOFFS16';
optMoffs32 : OperandType := 'MOFFS32';
optMoffs64 : OperandType := 'MOFFS64';
optSrcIndex8 : OperandType := 'SRCIDX8';
optSrcIndex16 : OperandType := 'SRCIDX16';
optSrcIndex32 : OperandType := 'SRCIDX32';
optSrcIndex64 : OperandType := 'SRCIDX64';
optDstIndex8 : OperandType := 'DSTIDX8';
optDstIndex16 : OperandType := 'DSTIDX16';
optDstIndex32 : OperandType := 'DSTIDX32';
optDstIndex64 : OperandType := 'DSTIDX64';
optSREG : OperandType := 'SREG';
optMem1616 : OperandType := 'M1616';
optMem1632 : OperandType := 'M1632';
optMem1664 : OperandType := 'M1664';
optMem32VSIBX : OperandType := 'MEM32_VSIBX';
optMem32VSIBY : OperandType := 'MEM32_VSIBY';
optMem32VSIBZ : OperandType := 'MEM32_VSIBZ';
optMem64VSIBX : OperandType := 'MEM64_VSIBX';
optMem64VSIBY : OperandType := 'MEM64_VSIBY';
optMem64VSIBZ : OperandType := 'MEM64_VSIBZ';
optFixed1 : OperandType := 'FIXED1';
optFixedAL : OperandType := 'AL';
optFixedCL : OperandType := 'CL';
optFixedAX : OperandType := 'AX';
optFixedDX : OperandType := 'DX';
optFixedEAX : OperandType := 'EAX';
optFixedRAX : OperandType := 'RAX';
optFixedES : OperandType := 'ES';
optFixedCS : OperandType := 'CS';
optFixedSS : OperandType := 'SS';
optFixedDS : OperandType := 'DS';
optFixedGS : OperandType := 'GS';
optFixedFS : OperandType := 'FS';
optFixedST0 : OperandType := 'ST0';
end;
OperandEncoding := 'NONE';
case Operand.Encoding of
opeModrmReg : OperandEncoding := 'REG';
opeModrmRm : OperandEncoding := 'RM';
opeModrmRmCD1 : OperandEncoding := 'RM';
opeModrmRmCD2 : OperandEncoding := 'RM_CD2';
opeModrmRmCD4 : OperandEncoding := 'RM_CD4';
opeModrmRmCD8 : OperandEncoding := 'RM_CD8';
opeModrmRmCD16: OperandEncoding := 'RM_CD16';
opeModrmRmCD32: OperandEncoding := 'RM_CD32';
opeModrmRmCD64: OperandEncoding := 'RM_CD64';
opeOpcodeBits : OperandEncoding := 'OPCODE';
opeVexVVVV : OperandEncoding := 'VVVV';
opeEvexAAA : OperandEncoding := 'AAA';
opeImm8Lo : OperandEncoding := 'IMM8_LO';
opeImm8Hi : OperandEncoding := 'IMM8_HI';
opeImm8 : OperandEncoding := 'IMM8';
opeImm16 : OperandEncoding := 'IMM16';
opeImm32 : OperandEncoding := 'IMM32';
opeImm64 : OperandEncoding := 'IMM64';
end;
OperandAccessMode := 'READ';
case Operand.AccessMode of
opaWrite : OperandAccessMode := 'WRITE';
opaReadWrite : OperandAccessMode := 'READWRITE';
end;
Buffer.Append(Format('ZYDIS_MAKE_OPERANDDEFINITION(ZYDIS_SEM_OPERAND_TYPE_%s, ' +
'ZYDIS_OPERAND_ENCODING_%s, ZYDIS_OPERAND_ACCESS_%s)', [
OperandType, OperandEncoding, OperandAccessMode]));
end;
var
Buffer: TStringBuffer;
I, J, K: Integer;
WorkCount: Integer;
List: TStringList;
begin
Buffer := TStringBuffer.Create;
try
WorkCount := 0;
for I := Low(OperandMapping) to High(OperandMapping) do
begin
Inc(WorkCount, Length(OperandMapping[I]));
end;
WorkStart('Generating operand definitions', 0, WorkCount);
WorkCount := 0;
// Generate operand-definition tables
for I := Low(OperandMapping) to High(OperandMapping) do
begin
Buffer.AppendLn(Format('const ZydisInternalOperandDefinition operandDefinitions%d[][%d] =',
[I, I]));
Buffer.AppendLn('{');
for J := Low(OperandMapping[I]) to High(OperandMapping[I]) do
begin
Buffer.Append(Format(' /*%.4x*/ { ', [J]));
for K := 1 to I do
begin
AppendOperand(Buffer, OperandMapping[I][J].Operands[K - 1]);
if (K <> I) then
begin
Buffer.Append(', ');
end;
end;
if (J <> High(OperandMapping[I])) then
begin
Buffer.AppendLn(' },');
end else
begin
Buffer.AppendLn(' }');
end;
Inc(WorkCount);
Work(WorkCount);
end;
// Add dummy operand-definition, if no definitions are present
if (Length(OperandMapping[I]) = 0) then
begin
Buffer.Append(Format(' /*%.4x*/ { ', [0]));
for K := 1 to I do
begin
Buffer.Append('ZYDIS_MAKE_OPERANDDEFINITION(ZYDIS_SEM_OPERAND_TYPE_UNUSED, ' +
'ZYDIS_OPERAND_ENCODING_NONE, ZYDIS_OPERAND_ACCESS_READ)');
if (K <> I) then
begin
Buffer.Append(', ');
end else
begin
Buffer.AppendLn(' }');
end;
end;
end;
Buffer.AppendLn('};');
Buffer.AppendLn('');
end;
List := TStringList.Create;
try
List.Text := Buffer.Value;
List.SaveToFile(IncludeTrailingPathDelimiter(OutputDirectory) + FILENAME_OPERANDDEFINITIONS);
finally
List.Free;
end;
WorkEnd;
finally
Buffer.Free;
end;
end;
procedure TCodeGenerator.GenerateCode(Editor: TInstructionEditor;
const OutputDirectory: String);
var
Statistics: TCodeGeneratorStatistics;
begin
GenerateCode(Editor, OutputDirectory, Statistics);
end;
class procedure TCodeGenerator.RegisterLanguageBinding(Binding: TLanguageBindingClass);
begin
FLanguageBindings.Add(Binding);
end;
procedure TCodeGenerator.Work(WorkCount: Integer);
begin
if (Assigned(FOnWork)) then
begin
FOnWork(Self, WorkCount);
end;
end;
procedure TCodeGenerator.WorkEnd;
begin
if (Assigned(FOnWorkEnd)) then
begin
FOnWorkEnd(Self);
end;
end;
procedure TCodeGenerator.WorkStart(const OperationName: String; MinWorkCount,
MaxWorkCount: Integer);
begin
if (Assigned(FOnWorkStart)) then
begin
FOnWorkStart(Self, OperationName, 6, FCurrentOperationNumber, MinWorkCount, MaxWorkCount);
Inc(FCurrentOperationNumber);
end;
end;
{ TLanguageBinding }
constructor TLanguageBinding.Create;
begin
inherited Create;
end;
{ TLanguageBindingCPP }
class procedure TLanguageBindingCPP.GenerateCode(Generator: TCodeGenerator;
const OutputDirectory: String);
begin
end;
class function TLanguageBindingCPP.GetName: String;
begin
Result := 'C++';
end;
{ TLanguageBindingDelphi }
class procedure TLanguageBindingDelphi.GenerateCode(Generator: TCodeGenerator;
const OutputDirectory: String);
begin
end;
class function TLanguageBindingDelphi.GetName: String;
begin
Result := 'Delphi';
end;
{ TLanguageBindingPython }
class procedure TLanguageBindingPython.GenerateCode(Generator: TCodeGenerator;
const OutputDirectory: String);
begin
end;
class function TLanguageBindingPython.GetName: String;
begin
Result := 'Python';
end;
initialization
TCodeGenerator.RegisterLanguageBinding(TLanguageBindingCPP);
TCodeGenerator.RegisterLanguageBinding(TLanguageBindingDelphi);
TCodeGenerator.RegisterLanguageBinding(TLanguageBindingPython);
end.
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