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Sweden-Number/if1632/builtin.c

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/*
* Built-in modules
*
* Copyright 1996 Alexandre Julliard
*/
#include <assert.h>
#include <ctype.h>
#include <string.h>
#include "winbase.h"
#include "wine/winbase16.h"
#include "wine/winestring.h"
#include "builtin32.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"
DEFAULT_DEBUG_CHANNEL(module)
/* 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;
FarSetOwner16( 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)
LocalInit16( GlobalHandleToSel16(pSegTable->hSeg),
pSegTable->minsize, minsize );
NE_RegisterModule( pModule );
return hModule;
}
/***********************************************************************
* BUILTIN_Init
*
* Load all built-in modules marked as 'always used'.
*/
BOOL 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, BOOL 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;
lstrcpynA( dllname, name, sizeof(dllname) );
if ((p = strrchr( dllname, '.' ))) *p = '\0';
for (table = BuiltinDLLs; table->descr; table++)
if (!lstrcmpiA( table->descr->name, dllname )) break;
if (!table->descr) return (HMODULE16)2;
if ((table->flags & DLL_FLAG_NOT_USED) && !force) return (HMODULE16)2;
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 i, max_offset;
register BYTE *p;
NE_MODULE *pModule;
ET_BUNDLE *bundle;
ET_ENTRY *entry;
if (!(pModule = NE_GetPtr( FarGetOwner16( GlobalHandle16(cs) ))))
return NULL;
max_offset = 0;
*pOrd = 0;
bundle = (ET_BUNDLE *)((BYTE *)pModule + pModule->entry_table);
do
{
entry = (ET_ENTRY *)((BYTE *)bundle+6);
for (i = bundle->first + 1; i <= bundle->last; i++)
{
if ((entry->offs <= ip)
&& (entry->segnum == 1) /* code segment ? */
&& (entry->offs >= max_offset))
{
max_offset = entry->offs;
*pOrd = i;
}
entry++;
}
} while ( (bundle->next)
&& (bundle = (ET_BUNDLE *)((BYTE *)pModule+bundle->next)));
/* 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 );
}
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