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138 lines
4.5 KiB
ObjectPascal
138 lines
4.5 KiB
ObjectPascal
{ $Id$ }
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{
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---------------------------------------------------------------------------
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fpdbgwinextra.pp - Native Freepascal debugger - Extra windows utilities
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---------------------------------------------------------------------------
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This unit contains utility functions and missing win32/64 API
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---------------------------------------------------------------------------
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@created(Mon Apr 10th WET 2006)
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@lastmod($Date$)
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@author(Marc Weustink <marc@@dommelstein.nl>)
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***************************************************************************
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* *
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* This source is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This code is distributed in the hope that it will be useful, but *
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* WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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* General Public License for more details. *
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* *
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* A copy of the GNU General Public License is available on the World *
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* Wide Web at <http://www.gnu.org/copyleft/gpl.html>. You can also *
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* obtain it by writing to the Free Software Foundation, *
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* Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1335, USA. *
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* *
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***************************************************************************
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}
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unit FpDbgWinExtra;
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{$mode objfpc}{$H+}
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interface
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{$ifdef windows}
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uses
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Windows;
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{$endif}
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const
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FACILITY_DEBUGGER = $001;
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FACILITY_RPC_RUNTIME = $002;
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FACILITY_RPC_STUBS = $003;
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FACILITY_IO_ERROR_CODE = $004;
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FACILITY_TERMINAL_SERVER = $00A;
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FACILITY_USB_ERROR_CODE = $010;
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FACILITY_HID_ERROR_CODE = $011;
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FACILITY_FIREWIRE_ERROR_CODE = $012;
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FACILITY_CLUSTER_ERROR_CODE = $013;
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FACILITY_ACPI_ERROR_CODE = $014;
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FACILITY_SXS_ERROR_CODE = $015;
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STATUS_SEVERITY_SUCCESS = $0;
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STATUS_SEVERITY_INFORMATIONAL = $1;
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STATUS_SEVERITY_WARNING = $2;
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STATUS_SEVERITY_ERROR = $3;
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function GetLastErrorText(AErrorCode: Cardinal): String; {$IFNDEF FPC} overload; {$ENDIF}
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function GetLastErrorText: String; {$IFNDEF FPC} overload; {$ENDIF}
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{$ifdef windows}
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var
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GCurrentContext: PContext;
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MDebugEvent: TDebugEvent;
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{$endif}
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//function OpenThread(dwDesiredAccess: DWORD; bInheritHandle: BOOL; dwThreadId: DWORD): THandle; stdcall;
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//function Wow64GetThreadContext(hThread: THandle; var lpContext: TContext): BOOL; stdcall;
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implementation
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uses
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SysUtils;
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//function OpenThread(dwDesiredAccess: DWORD; bInheritHandle: BOOL; dwThreadId: DWORD): THandle; stdcall; external 'kernel32';
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//function Wow64GetThreadContext(hThread: THandle; var lpContext: TContext): BOOL; stdcall; external 'kernel32';
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function GetLastErrorText: String;
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begin
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{$ifdef windows}
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Result := GetLastErrorText(GetLastError);
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{$endif}
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end;
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function GetLastErrorText(AErrorCode: Cardinal): String;
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{$ifdef windows}
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var
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R: cardinal;
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Temp: PChar;
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{$endif}
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begin
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{$ifdef windows}
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Temp := nil;
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R := FormatMessage(
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FORMAT_MESSAGE_ALLOCATE_BUFFER or FORMAT_MESSAGE_FROM_SYSTEM or FORMAT_MESSAGE_ARGUMENT_ARRAY,
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nil,
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AErrorCode,
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LANG_NEUTRAL,
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Pointer(@Temp), // the fuction needs either a PChar or a PPChar, depending on FORMAT_MESSAGE_ALLOCATE_BUFFER
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0,
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nil);
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if R = 0
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then begin
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Result := '';
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end
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else begin
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Result := Temp;
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SetLength(Result, Length(Result)-2);
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end;
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if Temp <> nil
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then LocalFree(HLOCAL(Temp));
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{$endif}
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end;
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{$ifdef windows}
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var
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_UnAligendContext: record
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C: TContext;
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dummy: array[1..16] of byte;
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end;
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initialization
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GCurrentContext := Pointer((PtrUInt(@_UnAligendContext) + 15) and not PtrUInt($F));
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{$endif}
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end.
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