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{ $Id: fpdbgwinextra.pp 54031 2017-01-29 21:04:32Z joost $ }
{
---------------------------------------------------------------------------
fpdbgwinextra.pp - Native Freepascal debugger - Extra windows utilities
---------------------------------------------------------------------------
This unit contains utility functions and missing win32/64 API
---------------------------------------------------------------------------
@created(Mon Apr 10th WET 2006)
@lastmod($Date: 2017-01-29 22:04:32 +0100 (So, 29 Jan 2017) $)
@author(Marc Weustink <marc@@dommelstein.nl>)
***************************************************************************
* *
* This source is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This code is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
* General Public License for more details. *
* *
* A copy of the GNU General Public License is available on the World *
* Wide Web at <http://www.gnu.org/copyleft/gpl.html>. You can also *
* obtain it by writing to the Free Software Foundation, *
* Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1335, USA. *
* *
***************************************************************************
}
unit FpDbgWinExtra;
{$mode objfpc}{$H+}
interface
{$ifdef windows}
uses
Windows;
{$endif}
const
FACILITY_DEBUGGER = $001;
FACILITY_RPC_RUNTIME = $002;
FACILITY_RPC_STUBS = $003;
FACILITY_IO_ERROR_CODE = $004;
FACILITY_TERMINAL_SERVER = $00A;
FACILITY_USB_ERROR_CODE = $010;
FACILITY_HID_ERROR_CODE = $011;
FACILITY_FIREWIRE_ERROR_CODE = $012;
FACILITY_CLUSTER_ERROR_CODE = $013;
FACILITY_ACPI_ERROR_CODE = $014;
FACILITY_SXS_ERROR_CODE = $015;
STATUS_SEVERITY_SUCCESS = $0;
STATUS_SEVERITY_INFORMATIONAL = $1;
STATUS_SEVERITY_WARNING = $2;
STATUS_SEVERITY_ERROR = $3;
function GetLastErrorText(AErrorCode: Cardinal): String; {$IFNDEF FPC} overload; {$ENDIF}
function GetLastErrorText: String; {$IFNDEF FPC} overload; {$ENDIF}
{$ifdef windows}
var
GCurrentContext: PContext;
MDebugEvent: TDebugEvent;
{$endif}
//function OpenThread(dwDesiredAccess: DWORD; bInheritHandle: BOOL; dwThreadId: DWORD): THandle; stdcall;
//function Wow64GetThreadContext(hThread: THandle; var lpContext: TContext): BOOL; stdcall;
implementation
uses
SysUtils;
//function OpenThread(dwDesiredAccess: DWORD; bInheritHandle: BOOL; dwThreadId: DWORD): THandle; stdcall; external 'kernel32';
//function Wow64GetThreadContext(hThread: THandle; var lpContext: TContext): BOOL; stdcall; external 'kernel32';
function GetLastErrorText: String;
begin
{$ifdef windows}
Result := GetLastErrorText(GetLastError);
{$endif}
end;
function GetLastErrorText(AErrorCode: Cardinal): String;
{$ifdef windows}
var
R: cardinal;
Temp: PChar;
{$endif}
begin
{$ifdef windows}
Temp := nil;
R := FormatMessage(
FORMAT_MESSAGE_ALLOCATE_BUFFER or FORMAT_MESSAGE_FROM_SYSTEM or FORMAT_MESSAGE_ARGUMENT_ARRAY,
nil,
AErrorCode,
LANG_NEUTRAL,
Pointer(@Temp), // the fuction needs either a PChar or a PPChar, depending on FORMAT_MESSAGE_ALLOCATE_BUFFER
0,
nil);
if R = 0
then begin
Result := '';
end
else begin
Result := Temp;
SetLength(Result, Length(Result)-2);
end;
if Temp <> nil
then LocalFree(HLOCAL(Temp));
{$endif}
end;
{$ifdef windows}
var
_UnAligendContext: record
C: TContext;
dummy: array[1..16] of byte;
end;
initialization
GCurrentContext := Pointer((PtrUInt(@_UnAligendContext) + 15) and not PtrUInt($F));
{$endif}
end.
|
