455 lines
15 KiB
C
455 lines
15 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 "windows.h"
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#include "builtin32.h"
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#include "gdi.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 "snoop.h"
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#include "task.h"
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#include "debug.h"
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/* Built-in modules descriptors */
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/* Don't change these structures! (see tools/build.c) */
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typedef struct
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{
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const char *name; /* DLL name */
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void *module_start; /* 32-bit address of the module data */
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int module_size; /* Size of the module data */
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const BYTE *code_start; /* 32-bit address of DLL code */
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const BYTE *data_start; /* 32-bit address of DLL data */
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} WIN16_DESCRIPTOR;
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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 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, DLL_FLAG_ALWAYS_USED },
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{ &USER_Descriptor, DLL_FLAG_ALWAYS_USED },
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{ &GDI_Descriptor, DLL_FLAG_ALWAYS_USED },
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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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{ &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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FarSetOwner( hModule, hModule );
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TRACE(module, "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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LocalInit( GlobalHandleToSel(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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BOOL32 BUILTIN_Init(void)
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{
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BUILTIN16_DLL *dll;
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NE_MODULE *pModule;
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WORD vector;
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HMODULE16 hModule;
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WORD cs, ds;
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fnBUILTIN_LoadModule = BUILTIN_LoadModule;
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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 the USER and GDI heap selectors */
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pModule = NE_GetPtr( GetModuleHandle16( "USER" ));
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USER_HeapSel = pModule ? GlobalHandleToSel((NE_SEG_TABLE( pModule ) + pModule->dgroup - 1)->hSeg) : 0;
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pModule = NE_GetPtr( GetModuleHandle16( "GDI" ));
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GDI_HeapSel = pModule ? GlobalHandleToSel((NE_SEG_TABLE( pModule ) + pModule->dgroup - 1)->hSeg) : 0;
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/* Initialize KERNEL.178 (__WINFLAGS) with the correct flags value */
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hModule = GetModuleHandle16( "KERNEL" );
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NE_SetEntryPoint( hModule, 178, GetWinFlags() );
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/* Initialize KERNEL.454/455 (__FLATCS/__FLATDS) */
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GET_CS(cs); GET_DS(ds);
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NE_SetEntryPoint( hModule, 454, cs );
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NE_SetEntryPoint( hModule, 455, ds );
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/* Initialize KERNEL.THHOOK */
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TASK_InstallTHHook((THHOOK *)PTR_SEG_TO_LIN(
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(SEGPTR)NE_GetEntryPoint( hModule, 332 )));
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/* Initialize the real-mode selector entry points */
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#define SET_ENTRY_POINT( num, addr ) \
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NE_SetEntryPoint( hModule, (num), GLOBAL_CreateBlock( GMEM_FIXED, \
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DOSMEM_MapDosToLinear(addr), 0x10000, hModule, \
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FALSE, FALSE, FALSE, NULL ))
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SET_ENTRY_POINT( 183, 0x00000 ); /* KERNEL.183: __0000H */
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SET_ENTRY_POINT( 174, 0xa0000 ); /* KERNEL.174: __A000H */
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SET_ENTRY_POINT( 181, 0xb0000 ); /* KERNEL.181: __B000H */
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SET_ENTRY_POINT( 182, 0xb8000 ); /* KERNEL.182: __B800H */
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SET_ENTRY_POINT( 195, 0xc0000 ); /* KERNEL.195: __C000H */
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SET_ENTRY_POINT( 179, 0xd0000 ); /* KERNEL.179: __D000H */
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SET_ENTRY_POINT( 190, 0xe0000 ); /* KERNEL.190: __E000H */
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SET_ENTRY_POINT( 173, 0xf0000 ); /* KERNEL.173: __ROMBIOS */
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SET_ENTRY_POINT( 194, 0xf0000 ); /* KERNEL.194: __F000H */
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NE_SetEntryPoint( hModule, 193, DOSMEM_BiosSeg ); /* KERNEL.193: __0040H */
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#undef SET_ENTRY_POINT
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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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SNOOP16_Init();
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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, BOOL32 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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lstrcpyn32A( dllname, name, sizeof(dllname) );
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if ((p = strrchr( dllname, '.' ))) *p = '\0';
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for (table = BuiltinDLLs; table->descr; table++)
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if (!lstrcmpi32A( table->descr->name, dllname )) break;
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if (!table->descr) return 0;
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if ((table->flags & DLL_FLAG_NOT_USED) && !force) return 0;
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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 and name 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( WORD cs, WORD ip, WORD *pOrd )
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{
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static char buffer[80];
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WORD ordinal, i, max_offset;
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register BYTE *p;
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NE_MODULE *pModule;
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if (!(pModule = NE_GetPtr( FarGetOwner( GlobalHandle16(cs) ))))
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return NULL;
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/* Search for the ordinal */
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p = (BYTE *)pModule + pModule->entry_table;
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max_offset = 0;
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ordinal = 1;
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*pOrd = 0;
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while (*p)
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{
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switch(p[1])
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{
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case 0: /* unused */
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ordinal += *p;
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p += 2;
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break;
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case 1: /* code segment */
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i = *p;
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p += 2;
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while (i-- > 0)
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{
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p++;
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if ((*(WORD *)p <= ip) && (*(WORD *)p >= max_offset))
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{
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max_offset = *(WORD *)p;
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*pOrd = ordinal;
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}
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p += 2;
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ordinal++;
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}
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break;
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case 0xff: /* moveable (should not happen in built-in modules) */
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TRACE( relay, "Built-in module has moveable entry\n" );
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ordinal += *p;
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p += 2 + *p * 6;
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break;
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default: /* other segment */
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ordinal += *p;
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p += 2 + *p * 3;
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break;
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}
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}
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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( buffer, "%.*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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return buffer;
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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 BUILTIN_DefaultIntHandler( CONTEXT *context )
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{
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WORD ordinal;
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STACK16FRAME *frame = CURRENT_STACK16;
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BUILTIN_GetEntryPoint16( frame->entry_cs, frame->entry_ip, &ordinal );
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INT_BARF( context, ordinal - FIRST_INTERRUPT_ORDINAL );
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}
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/***********************************************************************
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* BUILTIN_ParseDLLOptions
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*
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* Set runtime DLL usage flags
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*/
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BOOL32 BUILTIN_ParseDLLOptions( const char *str )
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{
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BUILTIN16_DLL *dll;
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const char *p;
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while (*str)
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{
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while (*str && isspace(*str)) str++;
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if (!*str) return TRUE;
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if ((*str != '+') && (*str != '-')) return FALSE;
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str++;
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if (!(p = strchr( str, ',' ))) p = str + strlen(str);
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while ((p > str) && isspace(p[-1])) p--;
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if (p == str) return FALSE;
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for (dll = BuiltinDLLs; dll->descr; dll++)
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{
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if (!lstrncmpi32A( str, dll->descr->name, (int)(p - str) ))
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{
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if (dll->descr->name[(int)(p-str)]) /* only partial match */
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continue;
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if (str[-1] == '-')
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{
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if (dll->flags & DLL_FLAG_ALWAYS_USED) return FALSE;
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dll->flags |= DLL_FLAG_NOT_USED;
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}
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else dll->flags &= ~DLL_FLAG_NOT_USED;
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break;
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}
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}
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if (!dll->descr)
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if (!BUILTIN32_EnableDLL( str, (int)(p - str), (str[-1] == '+') ))
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return FALSE;
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str = p;
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while (*str && (isspace(*str) || (*str == ','))) str++;
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}
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return TRUE;
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}
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/***********************************************************************
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* BUILTIN_PrintDLLs
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*
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* Print the list of built-in DLLs that can be disabled.
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*/
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void BUILTIN_PrintDLLs(void)
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{
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int i;
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BUILTIN16_DLL *dll;
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MSG("Example: -dll -ole2 Do not use emulated OLE2.DLL\n");
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MSG("Available Win16 DLLs:\n");
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for (i = 0, dll = BuiltinDLLs; dll->descr; dll++)
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{
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if (!(dll->flags & DLL_FLAG_ALWAYS_USED))
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MSG("%-9s%c", dll->descr->name,
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((++i) % 8) ? ' ' : '\n' );
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}
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MSG("\n");
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BUILTIN32_PrintDLLs();
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}
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