4 * Copyright 1996 Alexandre Julliard
11 #include "wine/winbase16.h"
12 #include "wine/winestring.h"
13 #include "builtin32.h"
19 #include "stackframe.h"
24 #include "debugtools.h"
27 DEFAULT_DEBUG_CHANNEL(module
)
29 /* Built-in modules descriptors */
30 /* Don't change these structures! (see tools/build.c) */
34 const char *name
; /* DLL name */
35 void *module_start
; /* 32-bit address of the module data */
36 int module_size
; /* Size of the module data */
37 const BYTE
*code_start
; /* 32-bit address of DLL code */
38 const BYTE
*data_start
; /* 32-bit address of DLL data */
43 const WIN16_DESCRIPTOR
*descr
; /* DLL descriptor */
44 int flags
; /* flags (see below) */
48 #define DLL_FLAG_NOT_USED 0x01 /* Use original Windows DLL if possible */
49 #define DLL_FLAG_ALWAYS_USED 0x02 /* Always use built-in DLL */
53 extern const WIN16_DESCRIPTOR AVIFILE_Descriptor
;
54 extern const WIN16_DESCRIPTOR COMM_Descriptor
;
55 extern const WIN16_DESCRIPTOR COMMDLG_Descriptor
;
56 extern const WIN16_DESCRIPTOR COMPOBJ_Descriptor
;
57 extern const WIN16_DESCRIPTOR DDEML_Descriptor
;
58 extern const WIN16_DESCRIPTOR DISPDIB_Descriptor
;
59 extern const WIN16_DESCRIPTOR DISPLAY_Descriptor
;
60 extern const WIN16_DESCRIPTOR GDI_Descriptor
;
61 extern const WIN16_DESCRIPTOR KERNEL_Descriptor
;
62 extern const WIN16_DESCRIPTOR KEYBOARD_Descriptor
;
63 extern const WIN16_DESCRIPTOR LZEXPAND_Descriptor
;
64 extern const WIN16_DESCRIPTOR MMSYSTEM_Descriptor
;
65 extern const WIN16_DESCRIPTOR MOUSE_Descriptor
;
66 extern const WIN16_DESCRIPTOR MSACM_Descriptor
;
67 extern const WIN16_DESCRIPTOR MSVIDEO_Descriptor
;
68 extern const WIN16_DESCRIPTOR OLE2CONV_Descriptor
;
69 extern const WIN16_DESCRIPTOR OLE2DISP_Descriptor
;
70 extern const WIN16_DESCRIPTOR OLE2NLS_Descriptor
;
71 extern const WIN16_DESCRIPTOR OLE2PROX_Descriptor
;
72 extern const WIN16_DESCRIPTOR OLE2THK_Descriptor
;
73 extern const WIN16_DESCRIPTOR OLE2_Descriptor
;
74 extern const WIN16_DESCRIPTOR OLECLI_Descriptor
;
75 extern const WIN16_DESCRIPTOR OLESVR_Descriptor
;
76 extern const WIN16_DESCRIPTOR RASAPI16_Descriptor
;
77 extern const WIN16_DESCRIPTOR SHELL_Descriptor
;
78 extern const WIN16_DESCRIPTOR SOUND_Descriptor
;
79 extern const WIN16_DESCRIPTOR STORAGE_Descriptor
;
80 extern const WIN16_DESCRIPTOR STRESS_Descriptor
;
81 extern const WIN16_DESCRIPTOR SYSTEM_Descriptor
;
82 extern const WIN16_DESCRIPTOR TOOLHELP_Descriptor
;
83 extern const WIN16_DESCRIPTOR TYPELIB_Descriptor
;
84 extern const WIN16_DESCRIPTOR USER_Descriptor
;
85 extern const WIN16_DESCRIPTOR VER_Descriptor
;
86 extern const WIN16_DESCRIPTOR W32SYS_Descriptor
;
87 extern const WIN16_DESCRIPTOR WIN32S16_Descriptor
;
88 extern const WIN16_DESCRIPTOR WIN87EM_Descriptor
;
89 extern const WIN16_DESCRIPTOR WINASPI_Descriptor
;
90 extern const WIN16_DESCRIPTOR WINDEBUG_Descriptor
;
91 extern const WIN16_DESCRIPTOR WINEPS_Descriptor
;
92 extern const WIN16_DESCRIPTOR WING_Descriptor
;
93 extern const WIN16_DESCRIPTOR WINSOCK_Descriptor
;
94 extern const WIN16_DESCRIPTOR WPROCS_Descriptor
;
96 /* Table of all built-in DLLs */
98 static BUILTIN16_DLL BuiltinDLLs
[] =
100 { &KERNEL_Descriptor
, 0 },
101 { &USER_Descriptor
, 0 },
102 { &GDI_Descriptor
, 0 },
103 { &SYSTEM_Descriptor
, DLL_FLAG_ALWAYS_USED
},
104 { &DISPLAY_Descriptor
, DLL_FLAG_ALWAYS_USED
},
105 { &WPROCS_Descriptor
, DLL_FLAG_ALWAYS_USED
},
106 { &WINDEBUG_Descriptor
, DLL_FLAG_NOT_USED
},
107 { &AVIFILE_Descriptor
, DLL_FLAG_NOT_USED
},
108 { &COMMDLG_Descriptor
, DLL_FLAG_NOT_USED
},
109 { &COMPOBJ_Descriptor
, DLL_FLAG_NOT_USED
},
110 { &DDEML_Descriptor
, DLL_FLAG_NOT_USED
},
111 { &DISPDIB_Descriptor
, 0 },
112 { &KEYBOARD_Descriptor
, 0 },
113 { &COMM_Descriptor
, 0 },
114 { &LZEXPAND_Descriptor
, 0 },
115 { &MMSYSTEM_Descriptor
, 0 },
116 { &MOUSE_Descriptor
, 0 },
117 { &MSACM_Descriptor
, 0 },
118 { &MSVIDEO_Descriptor
, 0 },
119 { &OLE2CONV_Descriptor
, DLL_FLAG_NOT_USED
},
120 { &OLE2DISP_Descriptor
, DLL_FLAG_NOT_USED
},
121 { &OLE2NLS_Descriptor
, DLL_FLAG_NOT_USED
},
122 { &OLE2PROX_Descriptor
, DLL_FLAG_NOT_USED
},
123 { &OLE2THK_Descriptor
, DLL_FLAG_NOT_USED
},
124 { &OLE2_Descriptor
, DLL_FLAG_NOT_USED
},
125 { &OLECLI_Descriptor
, DLL_FLAG_NOT_USED
},
126 { &OLESVR_Descriptor
, DLL_FLAG_NOT_USED
},
127 { &RASAPI16_Descriptor
, 0 },
128 { &SHELL_Descriptor
, 0 },
129 { &SOUND_Descriptor
, 0 },
130 { &STORAGE_Descriptor
, DLL_FLAG_NOT_USED
},
131 { &STRESS_Descriptor
, 0 },
132 { &TOOLHELP_Descriptor
, 0 },
133 { &TYPELIB_Descriptor
, DLL_FLAG_NOT_USED
},
134 { &VER_Descriptor
, 0 },
135 { &W32SYS_Descriptor
, DLL_FLAG_NOT_USED
},
136 { &WIN32S16_Descriptor
, DLL_FLAG_NOT_USED
},
137 { &WIN87EM_Descriptor
, DLL_FLAG_NOT_USED
},
138 { &WINASPI_Descriptor
, 0 },
139 { &WINEPS_Descriptor
, DLL_FLAG_ALWAYS_USED
},
140 { &WING_Descriptor
, 0 },
141 { &WINSOCK_Descriptor
, 0 },
146 /* Ordinal number for interrupt 0 handler in WPROCS.DLL */
147 #define FIRST_INTERRUPT_ORDINAL 100
150 /***********************************************************************
151 * BUILTIN_DoLoadModule16
153 * Load a built-in Win16 module. Helper function for BUILTIN_LoadModule
156 static HMODULE16
BUILTIN_DoLoadModule16( const WIN16_DESCRIPTOR
*descr
)
160 SEGTABLEENTRY
*pSegTable
;
162 HMODULE16 hModule
= GLOBAL_CreateBlock( GMEM_MOVEABLE
, descr
->module_start
,
163 descr
->module_size
, 0,
164 FALSE
, FALSE
, FALSE
, NULL
);
165 if (!hModule
) return 0;
166 FarSetOwner16( hModule
, hModule
);
168 TRACE("Built-in %s: hmodule=%04x\n",
169 descr
->name
, hModule
);
170 pModule
= (NE_MODULE
*)GlobalLock16( hModule
);
171 pModule
->self
= hModule
;
173 /* Allocate the code segment */
175 pSegTable
= NE_SEG_TABLE( pModule
);
176 pSegTable
->hSeg
= GLOBAL_CreateBlock( GMEM_FIXED
, descr
->code_start
,
177 pSegTable
->minsize
, hModule
,
178 TRUE
, TRUE
, FALSE
, NULL
);
179 if (!pSegTable
->hSeg
) return 0;
182 /* Allocate the data segment */
184 minsize
= pSegTable
->minsize
? pSegTable
->minsize
: 0x10000;
185 minsize
+= pModule
->heap_size
;
186 if (minsize
> 0x10000) minsize
= 0x10000;
187 pSegTable
->hSeg
= GLOBAL_Alloc( GMEM_FIXED
, minsize
,
188 hModule
, FALSE
, FALSE
, FALSE
);
189 if (!pSegTable
->hSeg
) return 0;
190 if (pSegTable
->minsize
) memcpy( GlobalLock16( pSegTable
->hSeg
),
191 descr
->data_start
, pSegTable
->minsize
);
192 if (pModule
->heap_size
)
193 LocalInit16( GlobalHandleToSel16(pSegTable
->hSeg
),
194 pSegTable
->minsize
, minsize
);
196 NE_RegisterModule( pModule
);
201 /***********************************************************************
204 * Load all built-in modules marked as 'always used'.
206 BOOL
BUILTIN_Init(void)
212 fnBUILTIN_LoadModule
= BUILTIN_LoadModule
;
214 for (dll
= BuiltinDLLs
; dll
->descr
; dll
++)
216 if (dll
->flags
& DLL_FLAG_ALWAYS_USED
)
217 if (!BUILTIN_DoLoadModule16( dll
->descr
)) return FALSE
;
220 /* Set interrupt vectors from entry points in WPROCS.DLL */
222 hModule
= GetModuleHandle16( "WPROCS" );
223 for (vector
= 0; vector
< 256; vector
++)
225 FARPROC16 proc
= NE_GetEntryPoint( hModule
,
226 FIRST_INTERRUPT_ORDINAL
+ vector
);
228 INT_SetPMHandler( vector
, proc
);
237 /***********************************************************************
240 * Load a built-in module. If the 'force' parameter is FALSE, we only
241 * load the module if it has not been disabled via the -dll option.
243 HMODULE16
BUILTIN_LoadModule( LPCSTR name
, BOOL force
)
245 BUILTIN16_DLL
*table
;
246 char dllname
[16], *p
;
248 /* Fix the name in case we have a full path and extension */
250 if ((p
= strrchr( name
, '\\' ))) name
= p
+ 1;
251 lstrcpynA( dllname
, name
, sizeof(dllname
) );
252 if ((p
= strrchr( dllname
, '.' ))) *p
= '\0';
254 for (table
= BuiltinDLLs
; table
->descr
; table
++)
255 if (!lstrcmpiA( table
->descr
->name
, dllname
)) break;
256 if (!table
->descr
) return (HMODULE16
)2;
257 if ((table
->flags
& DLL_FLAG_NOT_USED
) && !force
) return (HMODULE16
)2;
259 return BUILTIN_DoLoadModule16( table
->descr
);
263 /***********************************************************************
264 * BUILTIN_GetEntryPoint16
266 * Return the ordinal and name corresponding to a CS:IP address.
267 * This is used only by relay debugging.
269 LPCSTR
BUILTIN_GetEntryPoint16( WORD cs
, WORD ip
, WORD
*pOrd
)
271 static char buffer
[80];
278 if (!(pModule
= NE_GetPtr( FarGetOwner16( GlobalHandle16(cs
) ))))
283 bundle
= (ET_BUNDLE
*)((BYTE
*)pModule
+ pModule
->entry_table
);
286 entry
= (ET_ENTRY
*)((BYTE
*)bundle
+6);
287 for (i
= bundle
->first
+ 1; i
<= bundle
->last
; i
++)
289 if ((entry
->offs
<= ip
)
290 && (entry
->segnum
== 1) /* code segment ? */
291 && (entry
->offs
>= max_offset
))
293 max_offset
= entry
->offs
;
298 } while ( (bundle
->next
)
299 && (bundle
= (ET_BUNDLE
*)((BYTE
*)pModule
+bundle
->next
)));
301 /* Search for the name in the resident names table */
302 /* (built-in modules have no non-resident table) */
304 p
= (BYTE
*)pModule
+ pModule
->name_table
;
307 p
+= *p
+ 1 + sizeof(WORD
);
308 if (*(WORD
*)(p
+ *p
+ 1) == *pOrd
) break;
311 sprintf( buffer
, "%.*s.%d: %.*s",
312 *((BYTE
*)pModule
+ pModule
->name_table
),
313 (char *)pModule
+ pModule
->name_table
+ 1,
314 *pOrd
, *p
, (char *)(p
+ 1) );
319 /**********************************************************************
320 * BUILTIN_DefaultIntHandler
322 * Default interrupt handler.
324 void BUILTIN_DefaultIntHandler( CONTEXT
*context
)
327 STACK16FRAME
*frame
= CURRENT_STACK16
;
328 BUILTIN_GetEntryPoint16( frame
->entry_cs
, frame
->entry_ip
, &ordinal
);
329 INT_BARF( context
, ordinal
- FIRST_INTERRUPT_ORDINAL
);