Windows pcode DLL entry point and VM/RTL routing functions

2001-12-12 17:46:27 +00:00
parent 972fd1b494
commit 53d4cc9c08
1 changed files with 120 additions and 0 deletions
--- a/harbour/source/vm/maindllp.c
+++ b/harbour/source/vm/maindllp.c
@@ -0,0 +1,120 @@
+/*
+ * $Id$
+ */
+
+/*
+ * Harbour Project source code:
+ * Windows pcode DLL entry point and VM/RTL routing functions
+ *
+ * Copyright 2001 Antonio Linares <alinares@fivetech.com>
+ * www - http://www.harbour-project.org
+ *
+ * This program 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, with one exception:
+ *
+ * This program 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, or (at your option)
+ * any later version.
+ *
+ * This program 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this software; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+ * Boston, MA 02111-1307 USA (or visit the web site http://www.gnu.org/).
+ *
+ * As a special exception, the Harbour Project gives permission for
+ * additional uses of the text contained in its release of Harbour.
+ *
+ * The exception is that, if you link the Harbour libraries with other
+ * files to produce an executable, this does not by itself cause the
+ * resulting executable to be covered by the GNU General Public License.
+ * Your use of that executable is in no way restricted on account of
+ * linking the Harbour library code into it.
+ *
+ * This exception does not however invalidate any other reasons why
+ * the executable file might be covered by the GNU General Public License.
+ *
+ * This exception applies only to the code released by the Harbour
+ * Project under the name Harbour.  If you copy code from other
+ * Harbour Project or Free Software Foundation releases into a copy of
+ * Harbour, as the General Public License permits, the exception does
+ * not apply to the code that you add in this way.  To avoid misleading
+ * anyone as to the status of such modified files, you must delete
+ * this exception notice from them.
+ *
+ * If you write modifications of your own for Harbour, it is your choice
+ * whether to permit this exception to apply to your modifications.
+ * If you do not wish that, delete this exception notice.
+ *
+ */
+
+#define HB_OS_WIN_32_USED
+
+#include "hbvm.h"
+#include "hbapiitm.h"
+
+typedef void ( * VM_PROCESS_DLL_SYMBOLS ) ( PHB_SYMB pModuleSymbols,
+                                            USHORT uiModuleSymbols );
+
+typedef void ( * VM_EXECUTE ) ( const BYTE * pCode, PHB_SYMB pSymbols );
+
+
+#if defined(HB_OS_WIN_32)
+
+#if defined(__BORLANDC__)
+BOOL WINAPI _export
+#else
+__declspec(dllexport) BOOL
+#endif
+WINAPI DllEntryPoint( HINSTANCE hInstance, DWORD fdwReason, PVOID pvReserved )
+{
+   HB_TRACE( HB_TR_DEBUG, ("DllEntryPoint(%p, %p, %d)", hInstance, fdwReason,
+             pvReserved ) );
+
+   HB_SYMBOL_UNUSED( hInstance );
+   HB_SYMBOL_UNUSED( fdwReason );
+   HB_SYMBOL_UNUSED( pvReserved );
+
+   switch( fdwReason )
+   {
+      case DLL_PROCESS_ATTACH:
+           break;
+
+      case DLL_PROCESS_DETACH:
+           break;
+   }
+
+   return TRUE;
+}
+
+/* module symbols initialization */
+void hb_vmProcessSymbols( PHB_SYMB pModuleSymbols, USHORT uiModuleSymbols )
+{
+   FARPROC pProcessSymbols = GetProcAddress( GetModuleHandle( NULL ),
+                                             "_hb_vmProcessDllSymbols" );
+   if( pProcessSymbols )
+      ( ( VM_PROCESS_DLL_SYMBOLS ) pProcessSymbols ) ( pModuleSymbols,
+                                                       uiModuleSymbols );
+   /* else
+    *    may we issue an error ? */
+}
+
+void hb_vmExecute( const BYTE * pCode, PHB_SYMB pSymbols )
+{
+   FARPROC pExecute = GetProcAddress( GetModuleHandle( NULL ), "_hb_vmExecute" );
+
+   if( pExecute )
+      ( ( VM_EXECUTE ) pExecute ) ( pCode, pSymbols );
+
+   /* else
+    *    may we issue an error ? */
+}
+
+#endif