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wine/if1632/builtin.c
Ulrich Weigand c75d0e16bd Implemented new Wine startup sequence, separating startup into 
KERNEL/USER/GDI related parts, allowing native replacement.
Implemented initial 'kernel' task.
1998-11-01 17:59:35 +00:00

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/*
* Built-in modules
*
* Copyright 1996 Alexandre Julliard
*/
#include <assert.h>
#include <ctype.h>
#include <string.h>
#include "windows.h"
#include "builtin32.h"
#include "gdi.h"
#include "global.h"
#include "heap.h"
#include "module.h"
#include "miscemu.h"
#include "neexe.h"
#include "stackframe.h"
#include "user.h"
#include "process.h"
#include "snoop.h"
#include "task.h"
#include "debug.h"
/* Built-in modules descriptors */
/* Don't change these structures! (see tools/build.c) */
typedef struct
{
const char *name; /* DLL name */
void *module_start; /* 32-bit address of the module data */
int module_size; /* Size of the module data */
const BYTE *code_start; /* 32-bit address of DLL code */
const BYTE *data_start; /* 32-bit address of DLL data */
} WIN16_DESCRIPTOR;
typedef struct
{
const WIN16_DESCRIPTOR *descr; /* DLL descriptor */
int flags; /* flags (see below) */
} BUILTIN16_DLL;
/* DLL flags */
#define DLL_FLAG_NOT_USED 0x01 /* Use original Windows DLL if possible */
#define DLL_FLAG_ALWAYS_USED 0x02 /* Always use built-in DLL */
/* 16-bit DLLs */
extern const WIN16_DESCRIPTOR AVIFILE_Descriptor;
extern const WIN16_DESCRIPTOR COMM_Descriptor;
extern const WIN16_DESCRIPTOR COMMDLG_Descriptor;
extern const WIN16_DESCRIPTOR COMPOBJ_Descriptor;
extern const WIN16_DESCRIPTOR DDEML_Descriptor;
extern const WIN16_DESCRIPTOR DISPDIB_Descriptor;
extern const WIN16_DESCRIPTOR DISPLAY_Descriptor;
extern const WIN16_DESCRIPTOR GDI_Descriptor;
extern const WIN16_DESCRIPTOR KERNEL_Descriptor;
extern const WIN16_DESCRIPTOR KEYBOARD_Descriptor;
extern const WIN16_DESCRIPTOR LZEXPAND_Descriptor;
extern const WIN16_DESCRIPTOR MMSYSTEM_Descriptor;
extern const WIN16_DESCRIPTOR MOUSE_Descriptor;
extern const WIN16_DESCRIPTOR MSACM_Descriptor;
extern const WIN16_DESCRIPTOR MSVIDEO_Descriptor;
extern const WIN16_DESCRIPTOR OLE2CONV_Descriptor;
extern const WIN16_DESCRIPTOR OLE2DISP_Descriptor;
extern const WIN16_DESCRIPTOR OLE2NLS_Descriptor;
extern const WIN16_DESCRIPTOR OLE2PROX_Descriptor;
extern const WIN16_DESCRIPTOR OLE2THK_Descriptor;
extern const WIN16_DESCRIPTOR OLE2_Descriptor;
extern const WIN16_DESCRIPTOR OLECLI_Descriptor;
extern const WIN16_DESCRIPTOR OLESVR_Descriptor;
extern const WIN16_DESCRIPTOR RASAPI16_Descriptor;
extern const WIN16_DESCRIPTOR SHELL_Descriptor;
extern const WIN16_DESCRIPTOR SOUND_Descriptor;
extern const WIN16_DESCRIPTOR STORAGE_Descriptor;
extern const WIN16_DESCRIPTOR STRESS_Descriptor;
extern const WIN16_DESCRIPTOR SYSTEM_Descriptor;
extern const WIN16_DESCRIPTOR TOOLHELP_Descriptor;
extern const WIN16_DESCRIPTOR TYPELIB_Descriptor;
extern const WIN16_DESCRIPTOR USER_Descriptor;
extern const WIN16_DESCRIPTOR VER_Descriptor;
extern const WIN16_DESCRIPTOR W32SYS_Descriptor;
extern const WIN16_DESCRIPTOR WIN32S16_Descriptor;
extern const WIN16_DESCRIPTOR WIN87EM_Descriptor;
extern const WIN16_DESCRIPTOR WINASPI_Descriptor;
extern const WIN16_DESCRIPTOR WINDEBUG_Descriptor;
extern const WIN16_DESCRIPTOR WINEPS_Descriptor;
extern const WIN16_DESCRIPTOR WING_Descriptor;
extern const WIN16_DESCRIPTOR WINSOCK_Descriptor;
extern const WIN16_DESCRIPTOR WPROCS_Descriptor;
/* Table of all built-in DLLs */
static BUILTIN16_DLL BuiltinDLLs[] =
{
{ &KERNEL_Descriptor, 0 },
{ &USER_Descriptor, 0 },
{ &GDI_Descriptor, 0 },
{ &SYSTEM_Descriptor, DLL_FLAG_ALWAYS_USED },
{ &DISPLAY_Descriptor, DLL_FLAG_ALWAYS_USED },
{ &WPROCS_Descriptor, DLL_FLAG_ALWAYS_USED },
{ &WINDEBUG_Descriptor, DLL_FLAG_NOT_USED },
{ &AVIFILE_Descriptor, DLL_FLAG_NOT_USED },
{ &COMMDLG_Descriptor, DLL_FLAG_NOT_USED },
{ &COMPOBJ_Descriptor, DLL_FLAG_NOT_USED },
{ &DDEML_Descriptor, DLL_FLAG_NOT_USED },
{ &DISPDIB_Descriptor, 0 },
{ &KEYBOARD_Descriptor, 0 },
{ &COMM_Descriptor, 0 },
{ &LZEXPAND_Descriptor, 0 },
{ &MMSYSTEM_Descriptor, 0 },
{ &MOUSE_Descriptor, 0 },
{ &MSACM_Descriptor, 0 },
{ &MSVIDEO_Descriptor, 0 },
{ &OLE2CONV_Descriptor, DLL_FLAG_NOT_USED },
{ &OLE2DISP_Descriptor, DLL_FLAG_NOT_USED },
{ &OLE2NLS_Descriptor, DLL_FLAG_NOT_USED },
{ &OLE2PROX_Descriptor, DLL_FLAG_NOT_USED },
{ &OLE2THK_Descriptor, DLL_FLAG_NOT_USED },
{ &OLE2_Descriptor, DLL_FLAG_NOT_USED },
{ &OLECLI_Descriptor, DLL_FLAG_NOT_USED },
{ &OLESVR_Descriptor, DLL_FLAG_NOT_USED },
{ &RASAPI16_Descriptor, 0 },
{ &SHELL_Descriptor, 0 },
{ &SOUND_Descriptor, 0 },
{ &STORAGE_Descriptor, DLL_FLAG_NOT_USED },
{ &STRESS_Descriptor, 0 },
{ &TOOLHELP_Descriptor, 0 },
{ &TYPELIB_Descriptor, DLL_FLAG_NOT_USED },
{ &VER_Descriptor, 0 },
{ &W32SYS_Descriptor, DLL_FLAG_NOT_USED },
{ &WIN32S16_Descriptor, DLL_FLAG_NOT_USED },
{ &WIN87EM_Descriptor, DLL_FLAG_NOT_USED },
{ &WINASPI_Descriptor, 0 },
{ &WINEPS_Descriptor, DLL_FLAG_ALWAYS_USED },
{ &WING_Descriptor, 0 },
{ &WINSOCK_Descriptor, 0 },
/* Last entry */
{ NULL, 0 }
};
/* Ordinal number for interrupt 0 handler in WPROCS.DLL */
#define FIRST_INTERRUPT_ORDINAL 100
/***********************************************************************
* BUILTIN_DoLoadModule16
*
* Load a built-in Win16 module. Helper function for BUILTIN_LoadModule
* and BUILTIN_Init.
*/
static HMODULE16 BUILTIN_DoLoadModule16( const WIN16_DESCRIPTOR *descr )
{
NE_MODULE *pModule;
int minsize;
SEGTABLEENTRY *pSegTable;
HMODULE16 hModule = GLOBAL_CreateBlock( GMEM_MOVEABLE, descr->module_start,
descr->module_size, 0,
FALSE, FALSE, FALSE, NULL );
if (!hModule) return 0;
FarSetOwner( hModule, hModule );
TRACE(module, "Built-in %s: hmodule=%04x\n",
descr->name, hModule );
pModule = (NE_MODULE *)GlobalLock16( hModule );
pModule->self = hModule;
/* Allocate the code segment */
pSegTable = NE_SEG_TABLE( pModule );
pSegTable->hSeg = GLOBAL_CreateBlock( GMEM_FIXED, descr->code_start,
pSegTable->minsize, hModule,
TRUE, TRUE, FALSE, NULL );
if (!pSegTable->hSeg) return 0;
pSegTable++;
/* Allocate the data segment */
minsize = pSegTable->minsize ? pSegTable->minsize : 0x10000;
minsize += pModule->heap_size;
if (minsize > 0x10000) minsize = 0x10000;
pSegTable->hSeg = GLOBAL_Alloc( GMEM_FIXED, minsize,
hModule, FALSE, FALSE, FALSE );
if (!pSegTable->hSeg) return 0;
if (pSegTable->minsize) memcpy( GlobalLock16( pSegTable->hSeg ),
descr->data_start, pSegTable->minsize);
if (pModule->heap_size)
LocalInit( GlobalHandleToSel(pSegTable->hSeg),
pSegTable->minsize, minsize );
NE_RegisterModule( pModule );
return hModule;
}
/***********************************************************************
* BUILTIN_Init
*
* Load all built-in modules marked as 'always used'.
*/
BOOL32 BUILTIN_Init(void)
{
BUILTIN16_DLL *dll;
WORD vector;
HMODULE16 hModule;
fnBUILTIN_LoadModule = BUILTIN_LoadModule;
for (dll = BuiltinDLLs; dll->descr; dll++)
{
if (dll->flags & DLL_FLAG_ALWAYS_USED)
if (!BUILTIN_DoLoadModule16( dll->descr )) return FALSE;
}
/* Set interrupt vectors from entry points in WPROCS.DLL */
hModule = GetModuleHandle16( "WPROCS" );
for (vector = 0; vector < 256; vector++)
{
FARPROC16 proc = NE_GetEntryPoint( hModule,
FIRST_INTERRUPT_ORDINAL + vector );
assert(proc);
INT_SetPMHandler( vector, proc );
}
SNOOP16_Init();
return TRUE;
}
/***********************************************************************
* BUILTIN_LoadModule
*
* Load a built-in module. If the 'force' parameter is FALSE, we only
* load the module if it has not been disabled via the -dll option.
*/
HMODULE16 BUILTIN_LoadModule( LPCSTR name, BOOL32 force )
{
BUILTIN16_DLL *table;
char dllname[16], *p;
/* Fix the name in case we have a full path and extension */
if ((p = strrchr( name, '\\' ))) name = p + 1;
lstrcpyn32A( dllname, name, sizeof(dllname) );
if ((p = strrchr( dllname, '.' ))) *p = '\0';
for (table = BuiltinDLLs; table->descr; table++)
if (!lstrcmpi32A( table->descr->name, dllname )) break;
if (!table->descr) return 0;
if ((table->flags & DLL_FLAG_NOT_USED) && !force) return 0;
return BUILTIN_DoLoadModule16( table->descr );
}
/***********************************************************************
* BUILTIN_GetEntryPoint16
*
* Return the ordinal and name corresponding to a CS:IP address.
* This is used only by relay debugging.
*/
LPCSTR BUILTIN_GetEntryPoint16( WORD cs, WORD ip, WORD *pOrd )
{
static char buffer[80];
WORD ordinal, i, max_offset;
register BYTE *p;
NE_MODULE *pModule;
if (!(pModule = NE_GetPtr( FarGetOwner( GlobalHandle16(cs) ))))
return NULL;
/* Search for the ordinal */
p = (BYTE *)pModule + pModule->entry_table;
max_offset = 0;
ordinal = 1;
*pOrd = 0;
while (*p)
{
switch(p[1])
{
case 0: /* unused */
ordinal += *p;
p += 2;
break;
case 1: /* code segment */
i = *p;
p += 2;
while (i-- > 0)
{
p++;
if ((*(WORD *)p <= ip) && (*(WORD *)p >= max_offset))
{
max_offset = *(WORD *)p;
*pOrd = ordinal;
}
p += 2;
ordinal++;
}
break;
case 0xff: /* moveable (should not happen in built-in modules) */
TRACE( relay, "Built-in module has moveable entry\n" );
ordinal += *p;
p += 2 + *p * 6;
break;
default: /* other segment */
ordinal += *p;
p += 2 + *p * 3;
break;
}
}
/* Search for the name in the resident names table */
/* (built-in modules have no non-resident table) */
p = (BYTE *)pModule + pModule->name_table;
while (*p)
{
p += *p + 1 + sizeof(WORD);
if (*(WORD *)(p + *p + 1) == *pOrd) break;
}
sprintf( buffer, "%.*s.%d: %.*s",
*((BYTE *)pModule + pModule->name_table),
(char *)pModule + pModule->name_table + 1,
*pOrd, *p, (char *)(p + 1) );
return buffer;
}
/**********************************************************************
* BUILTIN_DefaultIntHandler
*
* Default interrupt handler.
*/
void BUILTIN_DefaultIntHandler( CONTEXT *context )
{
WORD ordinal;
STACK16FRAME *frame = CURRENT_STACK16;
BUILTIN_GetEntryPoint16( frame->entry_cs, frame->entry_ip, &ordinal );
INT_BARF( context, ordinal - FIRST_INTERRUPT_ORDINAL );
}
/***********************************************************************
* BUILTIN_ParseDLLOptions
*
* Set runtime DLL usage flags
*/
BOOL32 BUILTIN_ParseDLLOptions( const char *str )
{
BUILTIN16_DLL *dll;
const char *p;
while (*str)
{
while (*str && isspace(*str)) str++;
if (!*str) return TRUE;
if ((*str != '+') && (*str != '-')) return FALSE;
str++;
if (!(p = strchr( str, ',' ))) p = str + strlen(str);
while ((p > str) && isspace(p[-1])) p--;
if (p == str) return FALSE;
for (dll = BuiltinDLLs; dll->descr; dll++)
{
if (!lstrncmpi32A( str, dll->descr->name, (int)(p - str) ))
{
if (dll->descr->name[(int)(p-str)]) /* only partial match */
continue;
if (str[-1] == '-')
{
if (dll->flags & DLL_FLAG_ALWAYS_USED) return FALSE;
dll->flags |= DLL_FLAG_NOT_USED;
}
else dll->flags &= ~DLL_FLAG_NOT_USED;
break;
}
}
if (!dll->descr)
if (!BUILTIN32_EnableDLL( str, (int)(p - str), (str[-1] == '+') ))
return FALSE;
str = p;
while (*str && (isspace(*str) || (*str == ','))) str++;
}
return TRUE;
}
/***********************************************************************
* BUILTIN_PrintDLLs
*
* Print the list of built-in DLLs that can be disabled.
*/
void BUILTIN_PrintDLLs(void)
{
int i;
BUILTIN16_DLL *dll;
MSG("Example: -dll -ole2 Do not use emulated OLE2.DLL\n");
MSG("Available Win16 DLLs:\n");
for (i = 0, dll = BuiltinDLLs; dll->descr; dll++)
{
if (!(dll->flags & DLL_FLAG_ALWAYS_USED))
MSG("%-9s%c", dll->descr->name,
((++i) % 8) ? ' ' : '\n' );
}
MSG("\n");
BUILTIN32_PrintDLLs();
}
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