mirror of
https://github.com/reactos/wine.git
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325 lines
10 KiB
C
325 lines
10 KiB
C
/*
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* Built-in modules
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*
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* Copyright 1996 Alexandre Julliard
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*/
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#include <assert.h>
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#include <ctype.h>
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#include <string.h>
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#include "winbase.h"
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#include "wine/winbase16.h"
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#include "wine/winestring.h"
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#include "builtin16.h"
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#include "builtin32.h"
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#include "global.h"
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#include "heap.h"
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#include "module.h"
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#include "miscemu.h"
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#include "neexe.h"
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#include "stackframe.h"
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#include "user.h"
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#include "process.h"
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#include "task.h"
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#include "debugtools.h"
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#include "toolhelp.h"
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DEFAULT_DEBUG_CHANNEL(module)
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typedef struct
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{
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const WIN16_DESCRIPTOR *descr; /* DLL descriptor */
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int flags; /* flags (see below) */
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} BUILTIN16_DLL;
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/* DLL flags */
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#define DLL_FLAG_NOT_USED 0x01 /* Use original Windows DLL if possible */
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#define DLL_FLAG_ALWAYS_USED 0x02 /* Always use built-in DLL */
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/* 16-bit DLLs */
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extern const WIN16_DESCRIPTOR AVIFILE_Descriptor;
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extern const WIN16_DESCRIPTOR COMM_Descriptor;
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extern const WIN16_DESCRIPTOR COMMDLG_Descriptor;
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extern const WIN16_DESCRIPTOR COMPOBJ_Descriptor;
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extern const WIN16_DESCRIPTOR DDEML_Descriptor;
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extern const WIN16_DESCRIPTOR DISPDIB_Descriptor;
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extern const WIN16_DESCRIPTOR DISPLAY_Descriptor;
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extern const WIN16_DESCRIPTOR GDI_Descriptor;
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extern const WIN16_DESCRIPTOR KERNEL_Descriptor;
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extern const WIN16_DESCRIPTOR KEYBOARD_Descriptor;
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extern const WIN16_DESCRIPTOR LZEXPAND_Descriptor;
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extern const WIN16_DESCRIPTOR MMSYSTEM_Descriptor;
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extern const WIN16_DESCRIPTOR MOUSE_Descriptor;
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extern const WIN16_DESCRIPTOR MSACM_Descriptor;
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extern const WIN16_DESCRIPTOR MSVIDEO_Descriptor;
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extern const WIN16_DESCRIPTOR OLE2CONV_Descriptor;
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extern const WIN16_DESCRIPTOR OLE2DISP_Descriptor;
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extern const WIN16_DESCRIPTOR OLE2NLS_Descriptor;
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extern const WIN16_DESCRIPTOR OLE2PROX_Descriptor;
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extern const WIN16_DESCRIPTOR OLE2THK_Descriptor;
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extern const WIN16_DESCRIPTOR OLE2_Descriptor;
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extern const WIN16_DESCRIPTOR OLECLI_Descriptor;
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extern const WIN16_DESCRIPTOR OLESVR_Descriptor;
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extern const WIN16_DESCRIPTOR RASAPI16_Descriptor;
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extern const WIN16_DESCRIPTOR SHELL_Descriptor;
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extern const WIN16_DESCRIPTOR SOUND_Descriptor;
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extern const WIN16_DESCRIPTOR STORAGE_Descriptor;
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extern const WIN16_DESCRIPTOR STRESS_Descriptor;
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extern const WIN16_DESCRIPTOR SYSTEM_Descriptor;
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extern const WIN16_DESCRIPTOR TOOLHELP_Descriptor;
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extern const WIN16_DESCRIPTOR TYPELIB_Descriptor;
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extern const WIN16_DESCRIPTOR USER_Descriptor;
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extern const WIN16_DESCRIPTOR VER_Descriptor;
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extern const WIN16_DESCRIPTOR W32SYS_Descriptor;
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extern const WIN16_DESCRIPTOR WIN32S16_Descriptor;
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extern const WIN16_DESCRIPTOR WIN87EM_Descriptor;
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extern const WIN16_DESCRIPTOR WINASPI_Descriptor;
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extern const WIN16_DESCRIPTOR WINDEBUG_Descriptor;
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extern const WIN16_DESCRIPTOR WINEPS_Descriptor;
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extern const WIN16_DESCRIPTOR WING_Descriptor;
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extern const WIN16_DESCRIPTOR WINSOCK_Descriptor;
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extern const WIN16_DESCRIPTOR WPROCS_Descriptor;
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/* Table of all built-in DLLs */
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static BUILTIN16_DLL BuiltinDLLs[] =
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{
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{ &KERNEL_Descriptor, 0 },
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{ &USER_Descriptor, 0 },
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{ &GDI_Descriptor, 0 },
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{ &SYSTEM_Descriptor, DLL_FLAG_ALWAYS_USED },
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{ &DISPLAY_Descriptor, DLL_FLAG_ALWAYS_USED },
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{ &WPROCS_Descriptor, DLL_FLAG_ALWAYS_USED },
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{ &WINDEBUG_Descriptor, DLL_FLAG_NOT_USED },
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{ &AVIFILE_Descriptor, DLL_FLAG_NOT_USED },
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{ &COMMDLG_Descriptor, DLL_FLAG_NOT_USED },
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{ &COMPOBJ_Descriptor, DLL_FLAG_NOT_USED },
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{ &DDEML_Descriptor, DLL_FLAG_NOT_USED },
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{ &DISPDIB_Descriptor, 0 },
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{ &KEYBOARD_Descriptor, 0 },
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{ &COMM_Descriptor, 0 },
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{ &LZEXPAND_Descriptor, 0 },
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{ &MMSYSTEM_Descriptor, 0 },
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{ &MOUSE_Descriptor, 0 },
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{ &MSACM_Descriptor, 0 },
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{ &MSVIDEO_Descriptor, 0 },
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{ &OLE2CONV_Descriptor, DLL_FLAG_NOT_USED },
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{ &OLE2DISP_Descriptor, DLL_FLAG_NOT_USED },
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{ &OLE2NLS_Descriptor, DLL_FLAG_NOT_USED },
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{ &OLE2PROX_Descriptor, DLL_FLAG_NOT_USED },
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{ &OLE2THK_Descriptor, DLL_FLAG_NOT_USED },
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{ &OLE2_Descriptor, DLL_FLAG_NOT_USED },
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{ &OLECLI_Descriptor, DLL_FLAG_NOT_USED },
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{ &OLESVR_Descriptor, DLL_FLAG_NOT_USED },
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{ &RASAPI16_Descriptor, 0 },
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{ &SHELL_Descriptor, 0 },
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{ &SOUND_Descriptor, 0 },
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{ &STORAGE_Descriptor, DLL_FLAG_NOT_USED },
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{ &STRESS_Descriptor, 0 },
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{ &TOOLHELP_Descriptor, 0 },
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{ &TYPELIB_Descriptor, DLL_FLAG_NOT_USED },
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{ &VER_Descriptor, 0 },
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{ &W32SYS_Descriptor, DLL_FLAG_NOT_USED },
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{ &WIN32S16_Descriptor, DLL_FLAG_NOT_USED },
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{ &WIN87EM_Descriptor, DLL_FLAG_NOT_USED },
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{ &WINASPI_Descriptor, 0 },
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{ &WINEPS_Descriptor, DLL_FLAG_ALWAYS_USED },
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{ &WING_Descriptor, 0 },
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{ &WINSOCK_Descriptor, 0 },
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/* Last entry */
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{ NULL, 0 }
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};
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/* Ordinal number for interrupt 0 handler in WPROCS.DLL */
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#define FIRST_INTERRUPT_ORDINAL 100
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/***********************************************************************
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* BUILTIN_DoLoadModule16
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*
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* Load a built-in Win16 module. Helper function for BUILTIN_LoadModule
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* and BUILTIN_Init.
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*/
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static HMODULE16 BUILTIN_DoLoadModule16( const WIN16_DESCRIPTOR *descr )
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{
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NE_MODULE *pModule;
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int minsize;
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SEGTABLEENTRY *pSegTable;
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HMODULE16 hModule = GLOBAL_CreateBlock( GMEM_MOVEABLE, descr->module_start,
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descr->module_size, 0,
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FALSE, FALSE, FALSE, NULL );
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if (!hModule) return 0;
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FarSetOwner16( hModule, hModule );
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TRACE("Built-in %s: hmodule=%04x\n",
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descr->name, hModule );
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pModule = (NE_MODULE *)GlobalLock16( hModule );
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pModule->self = hModule;
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/* Allocate the code segment */
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pSegTable = NE_SEG_TABLE( pModule );
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pSegTable->hSeg = GLOBAL_CreateBlock( GMEM_FIXED, descr->code_start,
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pSegTable->minsize, hModule,
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TRUE, TRUE, FALSE, NULL );
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if (!pSegTable->hSeg) return 0;
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pSegTable++;
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/* Allocate the data segment */
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minsize = pSegTable->minsize ? pSegTable->minsize : 0x10000;
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minsize += pModule->heap_size;
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if (minsize > 0x10000) minsize = 0x10000;
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pSegTable->hSeg = GLOBAL_Alloc( GMEM_FIXED, minsize,
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hModule, FALSE, FALSE, FALSE );
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if (!pSegTable->hSeg) return 0;
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if (pSegTable->minsize) memcpy( GlobalLock16( pSegTable->hSeg ),
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descr->data_start, pSegTable->minsize);
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if (pModule->heap_size)
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LocalInit16( GlobalHandleToSel16(pSegTable->hSeg),
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pSegTable->minsize, minsize );
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NE_RegisterModule( pModule );
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return hModule;
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}
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/***********************************************************************
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* BUILTIN_Init
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*
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* Load all built-in modules marked as 'always used'.
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*/
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BOOL BUILTIN_Init(void)
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{
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BUILTIN16_DLL *dll;
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WORD vector;
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HMODULE16 hModule;
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for (dll = BuiltinDLLs; dll->descr; dll++)
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{
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if (dll->flags & DLL_FLAG_ALWAYS_USED)
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if (!BUILTIN_DoLoadModule16( dll->descr )) return FALSE;
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}
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/* Set interrupt vectors from entry points in WPROCS.DLL */
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hModule = GetModuleHandle16( "WPROCS" );
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for (vector = 0; vector < 256; vector++)
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{
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FARPROC16 proc = NE_GetEntryPoint( hModule,
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FIRST_INTERRUPT_ORDINAL + vector );
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assert(proc);
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INT_SetPMHandler( vector, proc );
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}
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return TRUE;
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}
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/***********************************************************************
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* BUILTIN_LoadModule
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*
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* Load a built-in module. If the 'force' parameter is FALSE, we only
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* load the module if it has not been disabled via the -dll option.
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*/
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HMODULE16 BUILTIN_LoadModule( LPCSTR name, BOOL force )
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{
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BUILTIN16_DLL *table;
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char dllname[16], *p;
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/* Fix the name in case we have a full path and extension */
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if ((p = strrchr( name, '\\' ))) name = p + 1;
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lstrcpynA( dllname, name, sizeof(dllname) );
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p = strrchr( dllname, '.' );
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if (!p) strcat( dllname, ".dll" );
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for (table = BuiltinDLLs; table->descr; table++)
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{
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NE_MODULE *pModule = (NE_MODULE *)table->descr->module_start;
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OFSTRUCT *pOfs = (OFSTRUCT *)((LPBYTE)pModule + pModule->fileinfo);
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if (!lstrcmpiA( pOfs->szPathName, dllname )) break;
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}
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if (!table->descr) return (HMODULE16)2;
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if ((table->flags & DLL_FLAG_NOT_USED) && !force) return (HMODULE16)2;
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return BUILTIN_DoLoadModule16( table->descr );
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}
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/***********************************************************************
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* BUILTIN_GetEntryPoint16
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*
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* Return the ordinal, name, and type info corresponding to a CS:IP address.
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* This is used only by relay debugging.
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*/
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LPCSTR BUILTIN_GetEntryPoint16( STACK16FRAME *frame, LPSTR name, WORD *pOrd )
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{
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WORD i, max_offset;
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register BYTE *p;
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NE_MODULE *pModule;
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ET_BUNDLE *bundle;
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ET_ENTRY *entry;
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if (!(pModule = NE_GetPtr( FarGetOwner16( GlobalHandle16( frame->module_cs ) ))))
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return NULL;
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max_offset = 0;
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*pOrd = 0;
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bundle = (ET_BUNDLE *)((BYTE *)pModule + pModule->entry_table);
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do
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{
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entry = (ET_ENTRY *)((BYTE *)bundle+6);
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for (i = bundle->first + 1; i <= bundle->last; i++)
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{
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if ((entry->offs < frame->entry_ip)
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&& (entry->segnum == 1) /* code segment ? */
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&& (entry->offs >= max_offset))
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{
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max_offset = entry->offs;
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*pOrd = i;
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}
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entry++;
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}
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} while ( (bundle->next)
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&& (bundle = (ET_BUNDLE *)((BYTE *)pModule+bundle->next)));
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/* Search for the name in the resident names table */
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/* (built-in modules have no non-resident table) */
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p = (BYTE *)pModule + pModule->name_table;
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while (*p)
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{
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p += *p + 1 + sizeof(WORD);
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if (*(WORD *)(p + *p + 1) == *pOrd) break;
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}
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sprintf( name, "%.*s.%d: %.*s",
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*((BYTE *)pModule + pModule->name_table),
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(char *)pModule + pModule->name_table + 1,
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*pOrd, *p, (char *)(p + 1) );
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/* Retrieve type info string */
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return *(LPCSTR *)((LPBYTE)PTR_SEG_OFF_TO_LIN( frame->module_cs, frame->callfrom_ip ) + 4);
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}
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/**********************************************************************
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* BUILTIN_DefaultIntHandler
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*
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* Default interrupt handler.
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*/
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void WINAPI BUILTIN_DefaultIntHandler( CONTEXT86 *context )
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{
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WORD ordinal;
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char name[80];
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BUILTIN_GetEntryPoint16( CURRENT_STACK16, name, &ordinal );
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INT_BARF( context, ordinal - FIRST_INTERRUPT_ORDINAL );
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}
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