我转贴的,你看看有没有用 // 为了测试,你需要在Form上放置一个TButton、TOpenDialog和TListView构件 // 完整的DLLTools单元的代码在示例代码之后 uses DLLTools; function TForm1.ListExport( const name: String; ordinal: Integer; address:Pointer ): Boolean; var listentry: TLIstItem; begin Result := true; listentry:= listview.Items.Add; listentry.Caption := Format('%p',[address] ); listentry.Subitems.Add( format('%d',[ordinal] )); listentry.Subitems.Add( name ); end;
procedure TForm1.Button1Click(Sender: TObject); begin if opendialog.execute then begin listview.items.clear; ListDLLExports( opendialog.filename, listexport ); end; end; ***** DLLTOOLS 单元 ***** unit dlltools; interface Uses Windows, Classes, Sysutils, imagehlp ; type TDLLExportCallback = function (const name: String; ordinal: Integer; address: Pointer): Boolean of Object; { Note: address is a RVA here, not a usable virtual address! } DLLToolsError = Class( Exception );
implementation resourcestring eDLLNotFound = 'ListDLLExports: DLL %s does not exist!'; {+----------------------------------------------------------------------
Procedure EnumExports | | Parameters : | ExportDirectory: IMAGE_EXPORT_DIRECTORY record to enumerate | image : LOADED_IMAGE record for the DLL the export directory belongs | to. | callback : callback function to hand the found exports to, must not be Nil | Description: | The export directory of a PE image contains three RVAs that point at tables | which describe the exported functions. The first is an array of RVAs that | refer to the exported function names, these we translate to PChars to | get the exported name. The second array is an array of Word that contains | the export ordinal for the matching entry in the names array. The ordinal | is biased, that is we have to add the ExportDirectory.Base value to it to | get the actual export ordinal. The biased ordinal serves as index for the | third array, which is an array of RVAs that give the position of the | function code in the image. We don't translate these RVAs since the DLL | is not relocated since we load it via MapAndLoad. The function array is | usually much larger than the names array, since the ordinals for the | exported functions do not have to be in sequence, there can be (and | frequently are) gaps in the sequence, for which the matching entries in the | function RVA array are garbage. | Error Conditions: none | Created: 9.1.2000 by P. Below +----------------------------------------------------------------------} Procedure EnumExports( const ExportDirectory : TImageExportDirectory ; const image : LoadedImage ; callback : TDLLExportCallback ) ; Type TDWordArray = Array [0..$FFFFF] of DWORD; Var i: Cardinal; pNameRVAs, pFunctionRVas: ^TDWordArray; pOrdinals: ^TWordArray; name: String; address: Pointer; ordinal: Word; Begin { EnumExports } pNameRVAs := RVAToPointer( DWORD(ExportDirectory.AddressOfNames), image ); pFunctionRVAs := RVAToPointer( DWORD(ExportDirectory.AddressOfFunctions), image ); pOrdinals := RVAToPointer( DWORD(ExportDirectory.AddressOfNameOrdinals), image ); For i:= 0 to Pred( ExportDirectory.NumberOfNames ) Do Begin name := RVAToPChar( pNameRVAs^[i], image ); ordinal := pOrdinals^[i]; address := Pointer( pFunctionRVAs^[ ordinal ] ); If not callback( name, ordinal+ExportDirectory.Base, address ) Then Exit; End; { For } End; { EnumExports }
{+---------------------------------------------------------------------- | Procedure ListDLLExports | | Parameters : | filename : full pathname of DLL to examine | callback : callback to hand the found exports to, must not be Nil | Description: | Loads the passed DLL using the LoadImage function, finds the exported | names table and reads it. Each found entry is handed to the callback | for further processing, until no more entries remain or the callback | returns false. Note that the address passed to the callback for a exported | function is an RVA, so not identical to the address the function would | have in a properly loaded and relocated DLL! | Error Conditions: | Exceptions are raised if | - the passed DLL does not exist or could not be loaded | - no callback was passed (only if assertions are on) | - an API function failed | Created: 9.1.2000 by P. Below +----------------------------------------------------------------------} Procedure ListDLLExports( const filename : String ; callback : TDLLExportCallback ) ; Var imageinfo: LoadedImage; pExportDirectory: PImageExportDirectory; dirsize: Cardinal; Begin { ListDLLExports } Assert( Assigned( callback )); If not FileExists( filename ) Then raise DLLToolsError.CreateFmt( eDLLnotFound, [filename] );
If MapAndLoad( PChar( filename ), nil, @imageinfo, true, true ) Then try pExportDirectory := ImageDirectoryEntryToData( imageinfo.MappedAddress, false, IMAGE_DIRECTORY_ENTRY_EXPORT, dirsize );
If pExportDirectory = Nil Then RaiseLastWin32Error Else EnumExports( pExportDirectory^, imageinfo, callback ); finally UnMapAndLoad( @imageinfo ); end Else RaiseLastWin32Error; End; { ListDLLExports }
{+---------------------------------------------------------------------- | Procedure DumpExportDirectory | | Parameters : | ExportDirectory: a IMAGE_EXPORT_DIRECTORY record | lines : a TStrings descendend to put the info into, must not be Nil | Description: | Dumps the fields of the passed structure to the passed strings descendent | as strings. | Error Conditions: | will raise an exception if lines is Nil and assertions are enabled. | Created: 9.1.2000 by P. Below +----------------------------------------------------------------------} Procedure DumpExportDirectory( Const ExportDirectory : TImageExportDirectory; lines : TStrings; const Image: LoadedImage ) ; Begin { DumpExportDirectory } Assert( Assigned( lines ));
{+---------------------------------------------------------------------- | Function RVAToPointer | | Parameters : | rva : a relative virtual address to translate | Image : LOADED_IMAGE structure for the image the RVA relates to | Returns : translated address | Description: | Uses the ImageRVAToVA function to translate the RVA to a virtual | address. | Error Conditions: | Will raise an exception if the translation failed | Created: 9.1.2000 by P. Below +----------------------------------------------------------------------} Function RVAToPointer( rva : DWORD ; const Image : LoadedImage ) : Pointer; var pDummy: PImageSectionHeader; Begin { RVAToPchar } pDummy := nil; Result := ImageRvaToVa( Image.FileHeader, Image.MappedAddress, rva, pDummy ); If Result = Nil Then RaiseLastWin32Error; End; { RVAToPointer }
{+---------------------------------------------------------------------- | Function RVAToPchar | | Parameters : | rva : a relative virtual address to translate | Image : LOADED_IMAGE structure for the image the RVA relates to | Returns : translated address | Description: | Uses the RVAToPointer function to translate the RVA to a virtual | address. Note that we do not check that the address does indeed point | to a zero-terminated string! | Error Conditions: | Will raise an exception if the translation failed | Created: 9.1.2000 by P. Below +----------------------------------------------------------------------} Function RVAToPchar( rva : DWORD ; const Image : LoadedImage ) : PChar ; Begin { RVAToPchar } Result := RVAToPointer( rva, image ); End; { RVAToPchar } end.
// 为了测试,你需要在Form上放置一个TButton、TOpenDialog和TListView构件
// 完整的DLLTools单元的代码在示例代码之后
uses DLLTools;
function TForm1.ListExport( const name: String; ordinal: Integer; address:Pointer ): Boolean;
var
listentry: TLIstItem;
begin
Result := true;
listentry:= listview.Items.Add;
listentry.Caption := Format('%p',[address] );
listentry.Subitems.Add( format('%d',[ordinal] ));
listentry.Subitems.Add( name );
end;
procedure TForm1.Button1Click(Sender: TObject);
begin
if opendialog.execute then
begin
listview.items.clear;
ListDLLExports( opendialog.filename, listexport );
end;
end;
*****
DLLTOOLS 单元
*****
unit dlltools;
interface
Uses Windows, Classes, Sysutils, imagehlp ;
type
TDLLExportCallback = function (const name: String; ordinal: Integer;
address: Pointer): Boolean of Object;
{ Note: address is a RVA here, not a usable virtual address! }
DLLToolsError = Class( Exception );
Procedure ListDLLExports( const filename: String; callback:
TDLLExportCallback );
Procedure DumpExportDirectory( Const ExportDirectory: TImageExportDirectory;
lines: TStrings; const Image: LoadedImage );
Function RVAToPchar( rva: DWORD; const Image: LoadedImage ): PChar;
Function RVAToPointer( rva: DWORD; const Image: LoadedImage ): Pointer;
implementation
resourcestring
eDLLNotFound =
'ListDLLExports: DLL %s does not exist!';
{+----------------------------------------------------------------------
|
| Parameters :
| ExportDirectory: IMAGE_EXPORT_DIRECTORY record to enumerate
| image : LOADED_IMAGE record for the DLL the export directory belongs
| to.
| callback : callback function to hand the found exports to, must not be
Nil
| Description:
| The export directory of a PE image contains three RVAs that point at
tables
| which describe the exported functions. The first is an array of RVAs
that
| refer to the exported function names, these we translate to PChars to
| get the exported name. The second array is an array of Word that
contains
| the export ordinal for the matching entry in the names array. The
ordinal
| is biased, that is we have to add the ExportDirectory.Base value to it
to
| get the actual export ordinal. The biased ordinal serves as index for
the
| third array, which is an array of RVAs that give the position of the
| function code in the image. We don't translate these RVAs since the DLL
| is not relocated since we load it via MapAndLoad. The function array is
| usually much larger than the names array, since the ordinals for the
| exported functions do not have to be in sequence, there can be (and
| frequently are) gaps in the sequence, for which the matching entries in
the
| function RVA array are garbage.
| Error Conditions: none
| Created: 9.1.2000 by P. Below
+----------------------------------------------------------------------}
Procedure EnumExports( const ExportDirectory : TImageExportDirectory ;
const image : LoadedImage ;
callback : TDLLExportCallback ) ;
Type
TDWordArray = Array [0..$FFFFF] of DWORD;
Var
i: Cardinal;
pNameRVAs, pFunctionRVas: ^TDWordArray;
pOrdinals: ^TWordArray;
name: String;
address: Pointer;
ordinal: Word;
Begin { EnumExports }
pNameRVAs :=
RVAToPointer( DWORD(ExportDirectory.AddressOfNames), image );
pFunctionRVAs :=
RVAToPointer( DWORD(ExportDirectory.AddressOfFunctions), image );
pOrdinals :=
RVAToPointer( DWORD(ExportDirectory.AddressOfNameOrdinals), image );
For i:= 0 to Pred( ExportDirectory.NumberOfNames ) Do Begin
name := RVAToPChar( pNameRVAs^[i], image );
ordinal := pOrdinals^[i];
address := Pointer( pFunctionRVAs^[ ordinal ] );
If not callback( name, ordinal+ExportDirectory.Base, address ) Then
Exit;
End; { For }
End; { EnumExports }
{+----------------------------------------------------------------------
| Procedure ListDLLExports
|
| Parameters :
| filename : full pathname of DLL to examine
| callback : callback to hand the found exports to, must not be Nil
| Description:
| Loads the passed DLL using the LoadImage function, finds the exported
| names table and reads it. Each found entry is handed to the callback
| for further processing, until no more entries remain or the callback
| returns false. Note that the address passed to the callback for a
exported
| function is an RVA, so not identical to the address the function would
| have in a properly loaded and relocated DLL!
| Error Conditions:
| Exceptions are raised if
| - the passed DLL does not exist or could not be loaded
| - no callback was passed (only if assertions are on)
| - an API function failed
| Created: 9.1.2000 by P. Below
+----------------------------------------------------------------------}
Procedure ListDLLExports( const filename : String ; callback :
TDLLExportCallback ) ;
Var
imageinfo: LoadedImage;
pExportDirectory: PImageExportDirectory;
dirsize: Cardinal;
Begin { ListDLLExports }
Assert( Assigned( callback ));
If not FileExists( filename ) Then
raise DLLToolsError.CreateFmt( eDLLnotFound, [filename] );
If MapAndLoad( PChar( filename ), nil, @imageinfo, true, true ) Then
try
pExportDirectory :=
ImageDirectoryEntryToData(
imageinfo.MappedAddress, false,
IMAGE_DIRECTORY_ENTRY_EXPORT, dirsize );
If pExportDirectory = Nil Then
RaiseLastWin32Error
Else
EnumExports( pExportDirectory^, imageinfo, callback );
finally
UnMapAndLoad( @imageinfo );
end
Else
RaiseLastWin32Error;
End; { ListDLLExports }
{+----------------------------------------------------------------------
| Procedure DumpExportDirectory
|
| Parameters :
| ExportDirectory: a IMAGE_EXPORT_DIRECTORY record
| lines : a TStrings descendend to put the info into, must not be Nil
| Description:
| Dumps the fields of the passed structure to the passed strings
descendent
| as strings.
| Error Conditions:
| will raise an exception if lines is Nil and assertions are enabled.
| Created: 9.1.2000 by P. Below
+----------------------------------------------------------------------}
Procedure DumpExportDirectory( Const ExportDirectory : TImageExportDirectory;
lines : TStrings; const Image: LoadedImage ) ;
Begin { DumpExportDirectory }
Assert( Assigned( lines ));
lines.add( 'Dump of IMAGE_EXPORT_DIRECTORY' );
lines.add( format('Characteristics: %d',
[ExportDirectory.Characteristics]));
lines.add( format('TimeDateStamp: %d',
[ExportDirectory.TimeDateStamp]));
lines.add( format('Version: %d.%d',
[ExportDirectory.MajorVersion,
ExportDirectory.MinorVersion]));
lines.add( format('Name (RVA): %x',
[ExportDirectory.Name]));
lines.add( format('Name (translated): %s',
[RVAToPchar( ExportDirectory.name, Image )]));
lines.add( format('Base: %d',
[ExportDirectory.Base]));
lines.add( format('NumberOfFunctions: %d',
[ExportDirectory.NumberOfFunctions]));
lines.add( format('NumberOfNames: %d',
[ExportDirectory.NumberOfNames]));
lines.add( format('AddressOfFunctions (RVA): %p',
[Pointer(ExportDirectory.AddressOfFunctions)]));
lines.add( format('AddressOfNames (RVA): %p',
[Pointer(ExportDirectory.AddressOfNames)]));
lines.add( format('AddressOfNameOrdinals (RVA): %p',
[Pointer(ExportDirectory.AddressOfNameOrdinals)]));
End; { DumpExportDirectory
| Function RVAToPointer
|
| Parameters :
| rva : a relative virtual address to translate
| Image : LOADED_IMAGE structure for the image the RVA relates to
| Returns : translated address
| Description:
| Uses the ImageRVAToVA function to translate the RVA to a virtual
| address.
| Error Conditions:
| Will raise an exception if the translation failed
| Created: 9.1.2000 by P. Below
+----------------------------------------------------------------------}
Function RVAToPointer( rva : DWORD ; const Image : LoadedImage ) : Pointer;
var
pDummy: PImageSectionHeader;
Begin { RVAToPchar }
pDummy := nil;
Result :=
ImageRvaToVa( Image.FileHeader, Image.MappedAddress, rva,
pDummy );
If Result = Nil Then
RaiseLastWin32Error;
End; { RVAToPointer }
{+----------------------------------------------------------------------
| Function RVAToPchar
|
| Parameters :
| rva : a relative virtual address to translate
| Image : LOADED_IMAGE structure for the image the RVA relates to
| Returns : translated address
| Description:
| Uses the RVAToPointer function to translate the RVA to a virtual
| address. Note that we do not check that the address does indeed point
| to a zero-terminated string!
| Error Conditions:
| Will raise an exception if the translation failed
| Created: 9.1.2000 by P. Below
+----------------------------------------------------------------------}
Function RVAToPchar( rva : DWORD ; const Image : LoadedImage ) : PChar ;
Begin { RVAToPchar }
Result := RVAToPointer( rva, image );
End; { RVAToPchar }
end.
会不会给我分????? 初来,不知道分有什么用。 你可以用这个软件,它完全能满足你的需要:~_~
DLL 查看器 http://www.nssoft.net/showproduct.asp?id=3