Componentes.Terceros.jcl/official/2.1.1/experts/debug/simdview/JclSIMDUtils.pas
2010-01-18 16:51:36 +00:00

1051 lines
37 KiB
ObjectPascal

{**************************************************************************************************}
{ }
{ Project JEDI Code Library (JCL) }
{ }
{ The contents of this file are subject to the Mozilla Public License Version 1.1 (the "License"); }
{ you may not use this file except in compliance with the License. You may obtain a copy of the }
{ License at http://www.mozilla.org/MPL/ }
{ }
{ Software distributed under the License is distributed on an "AS IS" basis, WITHOUT WARRANTY OF }
{ ANY KIND, either express or implied. See the License for the specific language governing rights }
{ and limitations under the License. }
{ }
{ The Original Code is: JvSIMDUtils.pas, released on 2004-10-11. }
{ }
{ The Initial Developer of the Original Code is Florent Ouchet }
{ [ouchet dott florent att laposte dott net] }
{ Portions created by Florent Ouchet are Copyright (C) 2004 Florent Ouchet. }
{ All Rights Reserved. }
{ }
{ You may retrieve the latest version of this file at the Project JEDI's JCL home page, }
{ located at http://jcl.sourceforge.net }
{ }
{**************************************************************************************************}
{ }
{ Last modified: $Date:: 2009-09-14 18:00:50 +0200 (lun., 14 sept. 2009) $ }
{ Revision: $Rev:: 3012 $ }
{ Author: $Author:: outchy $ }
{ }
{**************************************************************************************************}
unit JclSIMDUtils;
{$I jcl.inc}
interface
uses
Windows,
ToolsAPI,
{$IFDEF UNITVERSIONING}
JclUnitVersioning,
{$ENDIF UNITVERSIONING}
JclSysInfo,
JclOtaResources;
type
TJclMMContentType = (mt8Bytes, mt4Words, mt2DWords, mt1QWord, mt2Singles);
TJclMMRegister = packed record
case TJclMMContentType of
mt8Bytes:
(Bytes: array [0..7] of Byte;);
mt4Words:
(Words: array [0..3] of Word;);
mt2DWords:
(DWords: array [0..1] of Cardinal;);
mt1QWord:
(QWords: Int64;);
mt2Singles:
(Singles: array [0..1] of Single;);
end;
TJclFPUContentType = (ftExtended, ftMM);
TJclFPUData = packed record
case TJclFPUContentType of
ftExtended:
(FloatValue: Extended;);
ftMM:
(MMRegister: TJclMMRegister;
Reserved: Word;);
end;
TJclFPURegister = packed record
Data: TJclFPUData;
Reserved: array [0..5] of Byte;
end;
TJclFPURegisters = array [0..7] of TJclFPURegister;
TJclPackedContentType = (pctBytes, pctWords, pctDWords, pctQWords, pctSingles, pctDoubles);
TJclXMMRegister = packed record
case TJclPackedContentType of
pctBytes:
(Bytes: array [0..15] of Byte;);
pctWords:
(Words: array [0..7] of Word;);
pctDWords:
(DWords: array [0..3] of Cardinal;);
pctQWords:
(QWords: array [0..1] of Int64;);
pctSingles:
(Singles: array [0..3] of Single;);
pctDoubles:
(Doubles: array [0..1] of Double;);
end;
TJclProcessorSize = (ps32Bits, ps64Bits);
TJclXMMRegisters = packed record
case TJclProcessorSize of
ps32Bits:
(LegacyXMM: array [0..7] of TJclXMMRegister;
LegacyReserved: array [0..127] of Byte;);
ps64Bits:
(LongXMM: array [0..15] of TJclXMMRegister;);
end;
//TJclRoundingControl = (rcRoundToNearest, //=0
// rcRoundDown, //=1
// rcRoundUp, //=2
// rcRoundTowardZero); //=3
TJclVectorFrame = packed record
FCW: Word; // bytes from 0 to 1
FSW: Word; // bytes from 2 to 3
FTW: Byte; // byte 4
Reserved1: Byte; // byte 5
FOP: Word; // bytes from 6 to 7
FpuIp: Cardinal; // bytes from 8 to 11
CS: Word; // bytes from 12 to 13
Reserved2: Word; // bytes from 14 to 15
FpuDp: Cardinal; // bytes from 16 to 19
DS: Word; // bytes from 20 to 21
Reserved3: Word; // bytes from 22 to 23
MXCSR: Cardinal; // bytes from 24 to 27
MXCSRMask: Cardinal; // bytes from 28 to 31
FPURegisters: TJclFPURegisters; // bytes from 32 to 159
XMMRegisters: TJclXMMRegisters; // bytes from 160 to 415
Reserved4: array [416..511] of Byte; // bytes from 416 to 511
end;
// upper 128-bit of YMM registers (lower 128 bits are aliased to XMM registers)
TJclYMMRegister = packed record
case TJclPackedContentType of
pctBytes:
(Bytes: array [16..31] of Byte;);
pctWords:
(Words: array [8..15] of Word;);
pctDWords:
(DWords: array [4..7] of Cardinal;);
pctQWords:
(QWords: array [2..3] of Int64;);
pctSingles:
(Singles: array [4..7] of Single;);
pctDoubles:
(Doubles: array [2..3] of Double;);
end;
TJclXStateHeader = packed record
XState_BV: Int64;
Reserved: array [0..55] of Byte;
end;
TJclExtSaveArea2 = packed record
case TJclProcessorSize of
ps32Bits:
(LegacyYMM: array [0..7] of TJclYMMRegister;
LegacyReserved: array [0..127] of Byte;);
ps64Bits:
(LongYMM: array [0..15] of TJclYMMRegister;);
end;
PJclExtSaveArea2 = ^TJclExtSaveArea2;
TJclXStateContext = packed record
// vector context
SaveArea: TJclVectorFrame; // bytes 0 to 511
Header: TJclXStateHeader; // bytes 512 to 575
ExtSaveArea2: TJclExtSaveArea2; // bytes 576 to 831
end;
TJclContext = packed record
ScalarContext: Windows.TContext;
ExtendedContext: TJclXStateContext;
end;
PJclContext = ^TJclContext;
TBitDescription = record
AndMask: Cardinal;
Shifting: Cardinal;
ShortName: PResStringRec;
LongName: PResStringRec;
end;
TMXCSRRange = 0..14;
var
MXCSRBitsDescriptions: array [TMXCSRRange] of TBitDescription =
(
(AndMask: MXCSR_IE; Shifting: 0; ShortName: nil; LongName: nil),
(AndMask: MXCSR_DE; Shifting: 1; ShortName: nil; LongName: nil),
(AndMask: MXCSR_ZE; Shifting: 2; ShortName: nil; LongName: nil),
(AndMask: MXCSR_OE; Shifting: 3; ShortName: nil; LongName: nil),
(AndMask: MXCSR_UE; Shifting: 4; ShortName: nil; LongName: nil),
(AndMask: MXCSR_PE; Shifting: 5; ShortName: nil; LongName: nil),
(AndMask: MXCSR_DAZ; Shifting: 6; ShortName: nil; LongName: nil),
(AndMask: MXCSR_IM; Shifting: 7; ShortName: nil; LongName: nil),
(AndMask: MXCSR_DM; Shifting: 8; ShortName: nil; LongName: nil),
(AndMask: MXCSR_ZM; Shifting: 9; ShortName: nil; LongName: nil),
(AndMask: MXCSR_OM; Shifting: 10; ShortName: nil; LongName: nil),
(AndMask: MXCSR_UM; Shifting: 11; ShortName: nil; LongName: nil),
(AndMask: MXCSR_PM; Shifting: 12; ShortName: nil; LongName: nil),
(AndMask: MXCSR_RC; Shifting: 13; ShortName: nil; LongName: nil),
(AndMask: MXCSR_FZ; Shifting: 15; ShortName: nil; LongName: nil)
);
type
TJclSIMDValue = packed record
case Display: TJclPackedContentType of
pctBytes:
(ValueByte: Byte;);
pctWords:
(ValueWord: Word;);
pctDWords:
(ValueDWord: Cardinal;);
pctQWords:
(ValueQWord: Int64;);
pctSingles:
(ValueSingle: Single;);
pctDoubles:
(ValueDouble: Double;);
end;
TJclSIMDFormat = (sfBinary, sfSigned, sfUnsigned, sfHexa);
function FormatValue(Value: TJclSIMDValue; Format: TJclSIMDFormat): string;
function ParseValue(const StringValue: string; var Value: TJclSIMDValue;
Format: TJclSIMDFormat): Boolean;
function ReplaceSIMDRegisters(var Expression: string; Is64Bits, YMMEnabled: Boolean;
var JclContext: TJclContext): Boolean;
// return the XMM registers for the specified thread, this thread must be suspended
function GetThreadJclContext(AThread: IOTAThread; out JclContext: TJclContext): Boolean;
// return the XMM registers for the specified thread, this thread must be suspended
function SetThreadJclContext(AThread: IOTAThread; const JclContext: TJclContext): Boolean;
{$IFDEF UNITVERSIONING}
const
UnitVersioning: TUnitVersionInfo = (
RCSfile: '$URL: https://jcl.svn.sourceforge.net/svnroot/jcl/tags/JCL-2.1-Build3536/jcl/experts/debug/simdview/JclSIMDUtils.pas $';
Revision: '$Revision: 3012 $';
Date: '$Date: 2009-09-14 18:00:50 +0200 (lun., 14 sept. 2009) $';
LogPath: 'JCL\experts\debug\simdview';
Extra: '';
Data: nil
);
{$ENDIF UNITVERSIONING}
implementation
uses
SysUtils, Math,
JclStrings,
JclSysUtils,
JclWin32,
JclOtaUtils;
function FormatBinary(Value: TJclSIMDValue): string;
var
I: Byte;
const
Width: array [pctBytes..pctQWords] of Byte = (8, 16, 32, 64);
begin
if not (Value.Display in [pctBytes, pctWords, pctDWords, pctQWords]) then
raise EJclExpertException.CreateRes(@RsEBadRegisterDisplay);
Assert(Value.Display < pctSingles);
Result := StringOfChar('0', Width[Value.Display]);
for I := 1 to Width[Value.Display] do
begin
if (Value.ValueQWord and 1) <> 0 then
Result[Width[Value.Display] - I + 1] := '1';
Value.ValueQWord := Value.ValueQWord shr 1;
end;
end;
function FormatSigned(Value: TJclSIMDValue): string;
const
Width: array [pctBytes..pctQWords] of Byte = (4, 6, 11, 20);
begin
if not (Value.Display in [pctBytes, pctWords, pctDWords, pctQWords]) then
raise EJclExpertException.CreateRes(@RsEBadRegisterDisplay);
case Value.Display of
pctBytes:
Result := IntToStr(Shortint(Value.ValueByte));
pctWords:
Result := IntToStr(Smallint(Value.ValueWord));
pctDWords:
Result := IntToStr(Integer(Value.ValueDWord));
pctQWords:
Result := IntToStr(Value.ValueQWord);
else
Result := '';
Exit;
end;
Result := StringOfChar(' ', Width[Value.Display] - Length(Result)) + Result;
end;
function FormatUnsigned(Value: TJclSIMDValue): string;
const
Width: array [pctBytes..pctQWords] of Byte = (3, 5, 10, 20);
begin
if not (Value.Display in [pctBytes, pctWords, pctDWords, pctQWords]) then
raise EJclExpertException.CreateRes(@RsEBadRegisterDisplay);
case Value.Display of
pctBytes:
Result := IntToStr(Byte(Value.ValueByte));
pctWords:
Result := IntToStr(Word(Value.ValueWord));
pctDWords:
Result := IntToStr(Cardinal(Value.ValueDWord));
pctQWords:
Result := IntToStr(Value.ValueQWord);
else
Result := '';
Exit;
end;
Result := StringOfChar(' ', Width[Value.Display] - Length(Result)) + Result;
end;
function FormatHexa(Value: TJclSIMDValue): string;
const
Width: array [pctBytes..pctQWords] of Byte = (2, 4, 8, 16);
begin
if not (Value.Display in [pctBytes, pctWords, pctDWords, pctQWords]) then
raise EJclExpertException.CreateRes(@RsEBadRegisterDisplay);
case Value.Display of
pctBytes:
Result := IntToHex(Value.ValueByte, Width[pctBytes]);
pctWords:
Result := IntToHex(Value.ValueWord, Width[pctWords]);
pctDWords:
Result := IntToHex(Value.ValueDWord, Width[pctDWords]);
pctQWords:
Result := IntToHex(Value.ValueQWord, Width[pctQWords]);
else
Result := '';
end;
end;
function FormatFloat(Value: TJclSIMDValue): string;
begin
if not (Value.Display in [pctSingles, pctDoubles]) then
raise EJclExpertException.CreateRes(@RsEBadRegisterDisplay);
case Value.Display of
pctSingles:
Result := FloatToStr(Value.ValueSingle);
pctDoubles:
Result := FloatToStr(Value.ValueDouble);
else
Result := '';
end;
Result := StringOfChar(' ', 22 - Length(Result)) + Result; // 22 = max string length of a double value
end;
function FormatValue(Value: TJclSIMDValue; Format: TJclSIMDFormat): string;
type
TFormatFunction = function(Value: TJclSIMDValue): string;
var
FormatFunction: TFormatFunction;
begin
Result := '';
case Format of
sfBinary:
FormatFunction := FormatBinary;
sfSigned:
FormatFunction := FormatSigned;
sfUnsigned:
FormatFunction := FormatUnsigned;
sfHexa:
FormatFunction := FormatHexa;
else
Exit;
end;
case Value.Display of
pctBytes..pctQWords:
Result := FormatFunction(Value);
pctSingles..pctDoubles:
Result := FormatFloat(Value);
end;
end;
function ParseBinary(StringValue: string; var Value: TJclSIMDValue): Boolean;
var
TestValue: Int64;
Index: Integer;
begin
TestValue := 0;
Result := False;
if Length(StringValue) > 64 then
Exit;
for Index := 1 to Length(StringValue) do
begin
TestValue := TestValue shl 1;
case StringValue[Index] of
'0':
;
'1':
Inc(TestValue);
else
Exit;
end;
end;
Result := True;
case Value.Display of
pctBytes:
if (TestValue >= Byte($00)) and (TestValue <= Byte($FF)) then
Value.ValueByte := TestValue
else
Result := False;
pctWords:
if (TestValue >= Word($0000)) and (TestValue <= Word($FFFF)) then
Value.ValueWord := TestValue
else
Result := False;
pctDWords:
if (TestValue >= Cardinal($00000000)) and (TestValue <= Cardinal($FFFFFFFF)) then
Value.ValueDWord := TestValue
else
Result := False;
pctQWords:
Value.ValueQWord := TestValue;
else
Result := False;
end;
end;
function ParseSigned(StringValue: string; var Value: TJclSIMDValue): Boolean;
var
TestValue: Int64;
ErrorCode: Integer;
begin
Val(StringValue, TestValue, ErrorCode);
Result := ErrorCode = 0;
if Result then
case Value.Display of
pctBytes:
if (TestValue >= Shortint($80)) and (TestValue <= Shortint($7F)) then
Value.ValueByte := TestValue
else
Result := False;
pctWords:
if (TestValue >= Smallint($8000)) and (TestValue <= Smallint($7FFF)) then
Value.ValueWord := TestValue
else
Result := False;
pctDWords:
if (TestValue >= Integer($80000000)) and (TestValue <= Integer($7FFFFFFF)) then
Value.ValueDWord := TestValue
else
Result := False;
pctQWords:
Value.ValueQWord := TestValue;
else
Result := False;
end;
end;
function ParseUnsigned(StringValue: string; var Value: TJclSIMDValue): Boolean;
var
TestValue: Int64;
ErrorCode: Integer;
begin
Val(StringValue, TestValue, ErrorCode);
Result := ErrorCode = 0;
if Result then
case Value.Display of
pctBytes:
if (TestValue >= Byte($00)) and (TestValue <= Byte($FF)) then
Value.ValueByte := TestValue
else
Result := False;
pctWords:
if (TestValue >= Word($0000)) and (TestValue <= Word($FFFF)) then
Value.ValueWord := TestValue
else
Result := False;
pctDWords:
if (TestValue >= Cardinal($00000000)) and (TestValue <= Cardinal($FFFFFFFF)) then
Value.ValueDWord := TestValue
else
Result := False;
pctQWords:
Value.ValueQWord := TestValue;
else
Result := False;
end;
end;
function ParseHexa(StringValue: string; var Value: TJclSIMDValue): Boolean;
var
TestValue: Int64;
Index: Integer;
begin
TestValue := 0;
Result := False;
if Length(StringValue) > 16 then
Exit;
for Index := 1 to Length(StringValue) do
begin
TestValue := TestValue shl 4;
case StringValue[Index] of
'0':
;
'1'..'9':
Inc(TestValue, Ord(StringValue[Index]) - Ord('0'));
'A'..'F':
Inc(TestValue, Ord(StringValue[Index]) - Ord('A') + 10);
'a'..'f':
Inc(TestValue, Ord(StringValue[Index]) - Ord('a') + 10);
else
Exit;
end;
end;
Result := True;
case Value.Display of
pctBytes:
if (TestValue >= Byte($00)) and (TestValue <= Byte($FF)) then
Value.ValueByte := TestValue
else
Result := False;
pctWords:
if (TestValue >= Word($0000)) and (TestValue <= Word($FFFF)) then
Value.ValueWord := TestValue
else
Result := False;
pctDWords:
if (TestValue >= Cardinal($00000000)) and (TestValue <= Cardinal($FFFFFFFF)) then
Value.ValueDWord := TestValue
else
Result := False;
pctQWords:
Value.ValueQWord := TestValue;
else
Result := False;
end;
end;
function ParseFloat(StringValue: string; var Value: TJclSIMDValue): Boolean;
var
TestValue: Extended;
ErrorCode: Integer;
begin
if DecimalSeparator <> '.' then
StringValue := StringReplace(StringValue, DecimalSeparator, '.', [rfReplaceAll, rfIgnoreCase]);
Val(StringValue, TestValue, ErrorCode);
Result := ErrorCode = 0;
if Result then
case Value.Display of
pctSingles:
if (TestValue >= -MaxSingle) and (TestValue <= MaxSingle) then
Value.ValueSingle := TestValue
else
Result := False;
pctDoubles:
if (TestValue >= MaxDouble) and (TestValue <= MaxDouble) then
Value.ValueDouble := TestValue
else
Result := False;
else
Result := False;
end;
end;
function ParseValue(const StringValue: string; var Value: TJclSIMDValue;
Format: TJclSIMDFormat): Boolean;
type
TParseFunction = function(StringValue: string; var Value: TJclSIMDValue): Boolean;
var
ParseFunction: TParseFunction;
begin
Result := False;
case Format of
sfBinary:
ParseFunction := ParseBinary;
sfSigned:
ParseFunction := ParseSigned;
sfUnsigned:
ParseFunction := ParseUnsigned;
sfHexa:
ParseFunction := ParseHexa;
else
Exit;
end;
case Value.Display of
pctBytes..pctQWords:
Result := ParseFunction(StringValue, Value);
pctSingles..pctDoubles:
Result := ParseFloat(StringValue, Value);
end;
end;
function ReplaceSIMDRegisters(var Expression: string; Is64Bits, YMMEnabled: Boolean;
var JclContext: TJclContext): Boolean;
var
LocalString: string;
RegisterPosition: Integer;
DataPosition: Integer;
DataType: string;
Index: Integer;
RegisterIndex: Integer;
DataIndex: Integer;
ErrorCode: Integer;
NumberOfXMMRegister: Integer;
AValue: TJclSIMDValue;
ValueStr: string;
OldLength: Integer;
XMMMatch: Boolean;
begin
if Is64Bits then
NumberOfXMMRegister := 16
else
NumberOfXMMRegister := 8;
Result := False;
LocalString := AnsiUpperCase(Expression);
XMMMatch := False;
RegisterPosition := AnsiPos('XMM', LocalString);
if YMMEnabled and (RegisterPosition = 0) then
RegisterPosition := AnsiPos('YMM', LocalString)
else
XMMMatch := True;
while (RegisterPosition > 0) do
begin
for Index := RegisterPosition to Length(LocalString) do
if LocalString[Index] = '.' then
Break;
if Index >= Length(LocalString) then
Exit;
Val(Copy(LocalString, RegisterPosition + 3, Index - RegisterPosition - 3), RegisterIndex, ErrorCode);
if (ErrorCode <> 0) or (RegisterIndex < 0) or (RegisterIndex >= NumberOfXMMRegister) then
Exit;
DataPosition := Index + 1;
if DataPosition > Length(LocalString) then
Exit;
for Index := DataPosition to Length(LocalString) do
if CharIsDigit(LocalString[Index]) then
Break;
if Index > Length(LocalString) then
Exit;
DataType := Copy(LocalString, DataPosition, Index - DataPosition);
DataPosition := Index;
for Index := DataPosition to Length(LocalString) do
if not CharIsDigit(LocalString[Index]) then
Break;
Val(Copy(LocalString, DataPosition, Index - DataPosition), DataIndex, ErrorCode);
if (ErrorCode <> 0) or (DataIndex < 0) then
Exit;
if CompareStr(DataType, 'BYTE') = 0 then
begin
AValue.Display := pctBytes;
if DataIndex >= Low(JclContext.ExtendedContext.ExtSaveArea2.LongYMM[RegisterIndex].Bytes) then
begin
if XMMMatch then
Exit;
AValue.ValueByte := JclContext.ExtendedContext.ExtSaveArea2.LongYMM[RegisterIndex].Bytes[DataIndex];
end
else
AValue.ValueByte := JclContext.ExtendedContext.SaveArea.XMMRegisters.LongXMM[RegisterIndex].Bytes[DataIndex];
end
else
if CompareStr(DataType, 'WORD') = 0 then
begin
AValue.Display := pctWords;
if DataIndex >= Low(JclContext.ExtendedContext.ExtSaveArea2.LongYMM[RegisterIndex].Words) then
begin
if XMMMatch then
Exit;
AValue.ValueWord := JclContext.ExtendedContext.ExtSaveArea2.LongYMM[RegisterIndex].Words[DataIndex];
end
else
AValue.ValueWord := JclContext.ExtendedContext.SaveArea.XMMRegisters.LongXMM[RegisterIndex].Words[DataIndex];
end
else
if CompareStr(DataType, 'DWORD') = 0 then
begin
AValue.Display := pctDWords;
if DataIndex >= Low(JclContext.ExtendedContext.ExtSaveArea2.LongYMM[RegisterIndex].DWords) then
begin
if XMMMatch then
Exit;
AValue.ValueDWord := JclContext.ExtendedContext.ExtSaveArea2.LongYMM[RegisterIndex].DWords[DataIndex];
end
else
AValue.ValueDWord := JclContext.ExtendedContext.SaveArea.XMMRegisters.LongXMM[RegisterIndex].DWords[DataIndex];
end
else
if CompareStr(DataType, 'QWORD') = 0 then
begin
AValue.Display := pctQWords;
if DataIndex >= Low(JclContext.ExtendedContext.ExtSaveArea2.LongYMM[RegisterIndex].QWords) then
begin
if XMMMatch then
Exit;
AValue.ValueQWord := JclContext.ExtendedContext.ExtSaveArea2.LongYMM[RegisterIndex].QWords[DataIndex];
end
else
AValue.ValueQWord := JclContext.ExtendedContext.SaveArea.XMMRegisters.LongXMM[RegisterIndex].QWords[DataIndex];
end
else
if CompareStr(DataType, 'SINGLE') = 0 then
begin
AValue.Display := pctSingles;
if DataIndex >= Low(JclContext.ExtendedContext.ExtSaveArea2.LongYMM[RegisterIndex].Singles) then
begin
if XMMMatch then
Exit;
AValue.ValueSingle := JclContext.ExtendedContext.ExtSaveArea2.LongYMM[RegisterIndex].Singles[DataIndex];
end
else
AValue.ValueSingle := JclContext.ExtendedContext.SaveArea.XMMRegisters.LongXMM[RegisterIndex].Singles[DataIndex];
end
else
if CompareStr(DataType, 'DOUBLE') = 0 then
begin
AValue.Display := pctDoubles;
if DataIndex >= Low(JclContext.ExtendedContext.ExtSaveArea2.LongYMM[RegisterIndex].Doubles) then
begin
if XMMMatch then
Exit;
AValue.ValueDouble := JclContext.ExtendedContext.ExtSaveArea2.LongYMM[RegisterIndex].Doubles[DataIndex];
end
else
AValue.ValueDouble := JclContext.ExtendedContext.SaveArea.XMMRegisters.LongXMM[RegisterIndex].Doubles[DataIndex];
end
else
Exit;
ValueStr := Trim(FormatValue(AValue, sfSigned));
if DecimalSeparator <> '.' then
ValueStr := StringReplace(ValueStr, DecimalSeparator, '.', [rfReplaceAll, rfIgnoreCase]);
if Length(ValueStr) >= Index - RegisterPosition then
begin
OldLength := Length(Expression);
SetLength(Expression, Length(Expression) + Length(ValueStr) - (Index - RegisterPosition));
if Length(ValueStr) > Index - RegisterPosition then
Move(Expression[Index], Expression[RegisterPosition + Length(ValueStr)], OldLength - Index + 1);
Move(ValueStr[1], Expression[RegisterPosition], Length(ValueStr));
end
else
begin
Move(ValueStr[1], Expression[RegisterPosition], Length(ValueStr));
Move(Expression[Index], Expression[RegisterPosition + Length(ValueStr)], Length(Expression) - Index + 1);
SetLength(Expression, Length(Expression) + Length(ValueStr) - (Index - RegisterPosition));
end;
LocalString := AnsiUpperCase(Expression);
XMMMatch := False;
RegisterPosition := AnsiPos('XMM', LocalString);
if YMMEnabled and (RegisterPosition = 0) then
RegisterPosition := AnsiPos('YMM', LocalString)
else
XMMMatch := True;
end;
RegisterPosition := AnsiPos('MM', LocalString);
while (RegisterPosition > 0) do
begin
for Index := RegisterPosition to Length(LocalString) do
if LocalString[Index] = '.' then
Break;
if Index >= Length(LocalString) then
Exit;
Val(Copy(LocalString, RegisterPosition + 2, Index - RegisterPosition - 2), RegisterIndex, ErrorCode);
if (ErrorCode <> 0) or (RegisterIndex < 0) or (RegisterIndex >= 8) then
Exit;
DataPosition := Index + 1;
if DataPosition > Length(LocalString) then
Exit;
for Index := DataPosition to Length(LocalString) do
if CharIsDigit(LocalString[Index]) then
Break;
if Index > Length(LocalString) then
Exit;
DataType := Copy(LocalString, DataPosition, Index - DataPosition);
DataPosition := Index;
for Index := DataPosition to Length(LocalString) do
if not CharIsDigit(LocalString[Index]) then
Break;
Val(Copy(LocalString, DataPosition, Index - DataPosition), DataIndex, ErrorCode);
if (ErrorCode <> 0) or (DataIndex < 0) then
Exit;
if CompareStr(DataType, 'BYTE') = 0 then
begin
if DataIndex >= 8 then
Exit;
AValue.Display := pctBytes;
AValue.ValueByte := JclContext.ExtendedContext.SaveArea.FPURegisters[RegisterIndex].Data.MMRegister.Bytes[DataIndex];
end
else
if CompareStr(DataType, 'WORD') = 0 then
begin
if DataIndex >= 4 then
Exit;
AValue.Display := pctWords;
AValue.ValueWord := JclContext.ExtendedContext.SaveArea.FPURegisters[RegisterIndex].Data.MMRegister.Words[DataIndex];
end
else
if CompareStr(DataType, 'DWORD') = 0 then
begin
if DataIndex >= 2 then
Exit;
AValue.Display := pctDWords;
AValue.ValueDWord := JclContext.ExtendedContext.SaveArea.FPURegisters[RegisterIndex].Data.MMRegister.DWords[DataIndex];
end
else
if CompareStr(DataType, 'QWORD') = 0 then
begin
if DataIndex >= 1 then
Exit;
AValue.Display := pctQWords;
AValue.ValueQWord := JclContext.ExtendedContext.SaveArea.FPURegisters[RegisterIndex].Data.MMRegister.QWords;
end
else
if CompareStr(DataType, 'SINGLE') = 0 then
begin
if DataIndex >= 2 then
Exit;
AValue.Display := pctSingles;
AValue.ValueSingle := JclContext.ExtendedContext.SaveArea.FPURegisters[RegisterIndex].Data.MMRegister.Singles[DataIndex];
end
else
Exit;
ValueStr := Trim(FormatValue(AValue, sfSigned));
if DecimalSeparator <> '.' then
ValueStr := StringReplace(ValueStr, DecimalSeparator, '.', [rfReplaceAll, rfIgnoreCase]);
if Length(ValueStr) >= Index - RegisterPosition then
begin
OldLength := Length(Expression);
SetLength(Expression, Length(Expression) + Length(ValueStr) - (Index - RegisterPosition));
if Length(ValueStr) > Index - RegisterPosition then
Move(Expression[Index], Expression[RegisterPosition + Length(ValueStr)], OldLength - Index + 1);
Move(ValueStr[1], Expression[RegisterPosition], Length(ValueStr));
end
else
begin
Move(ValueStr[1], Expression[RegisterPosition], Length(ValueStr));
Move(Expression[Index], Expression[RegisterPosition + Length(ValueStr)], Length(Expression) - Index + 1);
SetLength(Expression, Length(Expression) + Length(ValueStr) - (Index - RegisterPosition));
end;
LocalString := AnsiUpperCase(Expression);
RegisterPosition := AnsiPos('MM', LocalString);
end;
Result := True;
end;
// return the processor frame for the specified thread, this thread must be suspended
function GetThreadContext(hThread: THandle; lpContext: Pointer): BOOL; stdcall; external kernel32 name 'GetThreadContext';
// set the processor frame for the specified thread, this thread must be suspended
function SetThreadContext(hThread: THandle; lpContext: Pointer): BOOL; stdcall; external kernel32 name 'SetThreadContext';
function GetThreadJclContext(AThread: IOTAThread; out JclContext: TJclContext): Boolean;
var
{$IFDEF COMPILER9_UP}
OTAXMMRegs: TOTAXMMRegs;
OTAThreadContext: TOTAThreadContext;
{$ELSE ~COMPILER9_UP}
ContextMemory: Pointer;
AlignedContext: PJclContext;
{$ENDIF ~COMPILER9_UP}
ExtendedContextLength: DWORD;
ExtendedContextMemory: Pointer;
ExtendedContext: PCONTEXT_EX;
LegacyContext: PContext;
AVXContext: PJclExtSaveArea2;
begin
// get YMM registers
if oefAVX in GetOSEnabledFeatures then
begin
// allocate enough memory to get this extended context
Result := GetExtendedContextLength(CONTEXT_XSTATE, @ExtendedContextLength);
if Result then
begin
GetMem(ExtendedContextMemory, ExtendedContextLength);
try
Result := InitializeExtendedContext(ExtendedContextMemory, CONTEXT_XSTATE, ExtendedContext);
if Result then
begin
// find usefull part locations in this extended context
LegacyContext := LocateLegacyContext(ExtendedContext, nil);
AVXContext := LocateExtendedFeature(ExtendedContext, XSTATE_GSSE, nil);
// get the context
Result := GetThreadContext(AThread.Handle, LegacyContext) and
((LegacyContext.ContextFlags and CONTEXT_XSTATE) <> 0);
if Result then
// copy the data
JclContext.ExtendedContext.ExtSaveArea2 := AVXContext^
else
ResetMemory(JclContext.ExtendedContext.ExtSaveArea2, SizeOf(JclContext.ExtendedContext.ExtSaveArea2));
end;
finally
FreeMem(ExtendedContextMemory);
end;
end;
end
else
begin
Result := True;
ResetMemory(JclContext.ExtendedContext.ExtSaveArea2, SizeOf(JclContext.ExtendedContext.ExtSaveArea2));
end;
{$IFDEF COMPILER9_UP}
// get XMM registers
if Result then
Result := AThread.GetOTAXMMRegisters(OTAXMMRegs);
if Result then
begin
// get other registers
JclContext.ExtendedContext.SaveArea.MXCSR := OTAXMMRegs.MXCSR;
JclContext.ExtendedContext.SaveArea.MXCSRMask := $FFFFFFFF;
Move(OTAXMMRegs,JclContext.ExtendedContext.SaveArea.XMMRegisters, SizeOf(TOTAXMMReg) * 8);
OTAThreadContext := AThread.OTAThreadContext;
JclContext.ExtendedContext.SaveArea.FCW := OTAThreadContext.FloatSave.ControlWord;
JclContext.ExtendedContext.SaveArea.FSW := OTAThreadContext.FloatSave.StatusWord;
JclContext.ExtendedContext.SaveArea.FTW := OTAThreadContext.FloatSave.TagWord;
Move(OTAThreadContext.FloatSave.RegisterArea[00],JclContext.ExtendedContext.SaveArea.FPURegisters[0],SizeOf(Extended));
Move(OTAThreadContext.FloatSave.RegisterArea[10],JclContext.ExtendedContext.SaveArea.FPURegisters[1],SizeOf(Extended));
Move(OTAThreadContext.FloatSave.RegisterArea[20],JclContext.ExtendedContext.SaveArea.FPURegisters[2],SizeOf(Extended));
Move(OTAThreadContext.FloatSave.RegisterArea[30],JclContext.ExtendedContext.SaveArea.FPURegisters[3],SizeOf(Extended));
Move(OTAThreadContext.FloatSave.RegisterArea[40],JclContext.ExtendedContext.SaveArea.FPURegisters[4],SizeOf(Extended));
Move(OTAThreadContext.FloatSave.RegisterArea[50],JclContext.ExtendedContext.SaveArea.FPURegisters[5],SizeOf(Extended));
Move(OTAThreadContext.FloatSave.RegisterArea[60],JclContext.ExtendedContext.SaveArea.FPURegisters[6],SizeOf(Extended));
Move(OTAThreadContext.FloatSave.RegisterArea[70],JclContext.ExtendedContext.SaveArea.FPURegisters[7],SizeOf(Extended));
end;
{$ELSE COMPILER9_UP}
// get XMM registers
if Result then
begin
GetMem(ContextMemory, SizeOf(TJclContext) + 15);
try
if (Cardinal(ContextMemory) and 15) <> 0 then
AlignedContext := PJclContext((Cardinal(ContextMemory) + 16) and $FFFFFFF0)
else
AlignedContext := ContextMemory;
AlignedContext^.ScalarContext.ContextFlags := CONTEXT_EXTENDED_REGISTERS;
Result := GetThreadContext(AThread.Handle,AlignedContext) and
((AlignedContext^.ScalarContext.ContextFlags and CONTEXT_EXTENDED_REGISTERS)<>0);
ResetMemory(AlignedContext.ExtendedContext.ExtSaveArea2, SizeOf(AlignedContext.ExtendedContext.ExtSaveArea2));
if Result then
JclContext := AlignedContext^
else
ResetMemory(JclContext, SizeOf(JclContext));
finally
FreeMem(ContextMemory);
end;
end;
{$ENDIF COMPILER9_UP}
end;
function SetThreadJclContext(AThread: IOTAThread; const JclContext: TJclContext): Boolean;
var
{$IFDEF COMPILER9_UP}
OTAXMMRegs: TOTAXMMRegs;
{$ELSE ~COMPILER9_UP}
ContextMemory: Pointer;
AlignedContext: PJclContext;
{$ENDIF ~COMPILER9_UP}
ExtendedContextLength: DWORD;
ExtendedContextMemory: Pointer;
ExtendedContext: PCONTEXT_EX;
LegacyContext: PContext;
AVXContext: PJclExtSaveArea2;
begin
// save YMM registers
if oefAVX in GetOSEnabledFeatures then
begin
// allocate enough memory to get this extended context
Result := GetExtendedContextLength(CONTEXT_XSTATE, @ExtendedContextLength);
if Result then
begin
GetMem(ExtendedContextMemory, ExtendedContextLength);
try
Result := InitializeExtendedContext(ExtendedContextMemory, CONTEXT_XSTATE, ExtendedContext);
if Result then
begin
// find usefull part locations in this extended context
LegacyContext := LocateLegacyContext(ExtendedContext, nil);
AVXContext := LocateExtendedFeature(ExtendedContext, XSTATE_GSSE, nil);
// get the context
Result := GetThreadContext(AThread.Handle, LegacyContext) and
((LegacyContext.ContextFlags and CONTEXT_XSTATE) <> 0);
if Result then
begin
// copy the data
AVXContext^ := JclContext.ExtendedContext.ExtSaveArea2;
// set the context
Result := SetThreadContext(AThread.Handle, LegacyContext);
end;
end;
finally
FreeMem(ExtendedContextMemory);
end;
end;
end
else
Result := True;
{$IFDEF COMPILER9_UP}
if Result then
begin
try
// save XMM registers
OTAXMMRegs.MXCSR := JclContext.ExtendedContext.SaveArea.MXCSR;
Move(JclContext.ExtendedContext.SaveArea.XMMRegisters,OTAXMMRegs,SizeOf(TOTAXMMReg) * 8);
AThread.SetOTAXMMRegisters(OTAXMMRegs);
except
Result := False;
end;
end;
{$ELSE ~COMPILER9_UP}
if Result then
begin
GetMem(ContextMemory, SizeOf(TJclContext) + 15);
try
if (Cardinal(ContextMemory) and 15) <> 0 then
AlignedContext := PJclContext((Cardinal(ContextMemory) + 16) and $FFFFFFF0)
else
AlignedContext := ContextMemory;
AlignedContext^.ScalarContext.ContextFlags := CONTEXT_EXTENDED_REGISTERS;
Result := GetThreadContext(AThread.Handle,AlignedContext) and
((AlignedContext^.ScalarContext.ContextFlags and CONTEXT_EXTENDED_REGISTERS) = CONTEXT_EXTENDED_REGISTERS);
AlignedContext^ := JclContext;
if Result then
Result := SetThreadContext(AThread.Handle,AlignedContext);
// TODO set the YMM registers
finally
FreeMem(ContextMemory);
end;
end;
{$ENDIF COMPILER9_UP}
end;
{$IFDEF UNITVERSIONING}
initialization
RegisterUnitVersion(HInstance, UnitVersioning);
finalization
UnregisterUnitVersion(HInstance);
{$ENDIF UNITVERSIONING}
end.