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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 "builtin16.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 "task.h"
#include "debugtools.h"
#include "toolhelp.h"
DEFAULT_DEBUG_CHANNEL(module);
typedef struct
{
LPVOID res_start; /* address of resource data */
DWORD nr_res;
DWORD res_size; /* size of resource data */
} BUILTIN16_RESOURCE;
/* 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 const WIN16_DESCRIPTOR *BuiltinDLLs[] =
{
&KERNEL_Descriptor,
&USER_Descriptor,
&GDI_Descriptor,
&SYSTEM_Descriptor,
&DISPLAY_Descriptor,
&WPROCS_Descriptor,
&WINDEBUG_Descriptor,
&AVIFILE_Descriptor,
&COMMDLG_Descriptor,
&COMPOBJ_Descriptor,
&DDEML_Descriptor,
&DISPDIB_Descriptor,
&KEYBOARD_Descriptor,
&COMM_Descriptor,
&LZEXPAND_Descriptor,
&MMSYSTEM_Descriptor,
&MOUSE_Descriptor,
&MSACM_Descriptor,
&MSVIDEO_Descriptor,
&OLE2CONV_Descriptor,
&OLE2DISP_Descriptor,
&OLE2NLS_Descriptor,
&OLE2PROX_Descriptor,
&OLE2THK_Descriptor,
&OLE2_Descriptor,
&OLECLI_Descriptor,
&OLESVR_Descriptor,
&RASAPI16_Descriptor,
&SHELL_Descriptor,
&SOUND_Descriptor,
&STORAGE_Descriptor,
&STRESS_Descriptor,
&TOOLHELP_Descriptor,
&TYPELIB_Descriptor,
&VER_Descriptor,
&W32SYS_Descriptor,
&WIN32S16_Descriptor,
&WIN87EM_Descriptor,
&WINASPI_Descriptor,
&WINEPS_Descriptor,
&WING_Descriptor,
&WINSOCK_Descriptor,
/* Last entry */
NULL
};
/* list of DLLs that should always be loaded at startup */
static const char * const always_load[] =
{
"system", "display", "wprocs", "wineps", NULL
};
/* 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, res_off;
SEGTABLEENTRY *pSegTable;
HMODULE16 hModule;
const BUILTIN16_RESOURCE *rsrc = descr->rsrc;
if (!rsrc)
{
hModule = GLOBAL_CreateBlock( GMEM_MOVEABLE, descr->module_start,
descr->module_size, 0,
FALSE, FALSE, FALSE, NULL );
if (!hModule) return 0;
FarSetOwner16( hModule, hModule );
pModule = (NE_MODULE *)GlobalLock16( hModule );
}
else
{
ET_BUNDLE *bundle;
hModule = GLOBAL_Alloc( GMEM_MOVEABLE,
descr->module_size + rsrc->res_size,
0, FALSE, FALSE, FALSE );
if (!hModule) return 0;
FarSetOwner16( hModule, hModule );
pModule = (NE_MODULE *)GlobalLock16( hModule );
res_off = ((NE_MODULE *)descr->module_start)->res_table;
memcpy( (LPBYTE)pModule, descr->module_start, res_off );
memcpy( (LPBYTE)pModule + res_off, rsrc->res_start, rsrc->res_size );
memcpy( (LPBYTE)pModule + res_off + rsrc->res_size,
descr->module_start + res_off, descr->module_size - res_off );
/* Have to fix up various pModule-based near pointers. Ugh! */
pModule->name_table += rsrc->res_size;
pModule->modref_table += rsrc->res_size;
pModule->import_table += rsrc->res_size;
pModule->entry_table += rsrc->res_size;
for ( bundle = (ET_BUNDLE *)((LPBYTE)pModule + pModule->entry_table);
bundle->next;
bundle = (ET_BUNDLE *)((LPBYTE)pModule + bundle->next) )
bundle->next += rsrc->res_size;
/* NOTE: (Ab)use the hRsrcMap parameter for resource data pointer */
pModule->hRsrcMap = rsrc->res_start;
}
pModule->self = hModule;
TRACE( "Built-in %s: hmodule=%04x\n", descr->name, 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 );
if (rsrc)
NE_InitResourceHandler(hModule);
NE_RegisterModule( pModule );
return hModule;
}
/***********************************************************************
* BUILTIN_Init
*
* Load all built-in modules marked as 'always used'.
*/
BOOL BUILTIN_Init(void)
{
WORD vector;
HMODULE16 hModule;
const char * const *ptr = always_load;
while (*ptr)
{
if (!BUILTIN_LoadModule( *ptr )) return FALSE;
ptr++;
}
/* 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 );
}
return TRUE;
}
/***********************************************************************
* BUILTIN_LoadModule
*
* Load a built-in module.
*/
HMODULE16 BUILTIN_LoadModule( LPCSTR name )
{
const WIN16_DESCRIPTOR **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) );
p = strrchr( dllname, '.' );
if (!p) strcat( dllname, ".dll" );
for (table = BuiltinDLLs; *table; table++)
{
NE_MODULE *pModule = (NE_MODULE *)(*table)->module_start;
OFSTRUCT *pOfs = (OFSTRUCT *)((LPBYTE)pModule + pModule->fileinfo);
if (!lstrcmpiA( pOfs->szPathName, dllname )) break;
}
if (!*table) return (HMODULE16)2;
return BUILTIN_DoLoadModule16( *table );
}
/***********************************************************************
* BUILTIN_GetEntryPoint16
*
* Return the ordinal, name, and type info corresponding to a CS:IP address.
* This is used only by relay debugging.
*/
LPCSTR BUILTIN_GetEntryPoint16( STACK16FRAME *frame, LPSTR name, WORD *pOrd )
{
WORD i, max_offset;
register BYTE *p;
NE_MODULE *pModule;
ET_BUNDLE *bundle;
ET_ENTRY *entry;
if (!(pModule = NE_GetPtr( FarGetOwner16( GlobalHandle16( frame->module_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 < frame->entry_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( name, "%.*s.%d: %.*s",
*((BYTE *)pModule + pModule->name_table),
(char *)pModule + pModule->name_table + 1,
*pOrd, *p, (char *)(p + 1) );
/* Retrieve type info string */
return *(LPCSTR *)((LPBYTE)PTR_SEG_OFF_TO_LIN( frame->module_cs, frame->callfrom_ip ) + 4);
}
/**********************************************************************
* BUILTIN_DefaultIntHandler
*
* Default interrupt handler.
*/
void WINAPI BUILTIN_DefaultIntHandler( CONTEXT86 *context )
{
WORD ordinal;
char name[80];
BUILTIN_GetEntryPoint16( CURRENT_STACK16, name, &ordinal );
INT_BARF( context, ordinal - FIRST_INTERRUPT_ORDINAL );
}
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