2 * Definitions for the Wine library
4 * Copyright 2000 Alexandre Julliard
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
21 #ifndef __WINE_WINE_LIBRARY_H
22 #define __WINE_WINE_LIBRARY_H
25 #include <sys/types.h>
30 #ifdef __WINE_WINE_TEST_H
31 #error This file should not be used in Wine tests
40 extern const char *wine_get_build_dir(void);
41 extern const char *wine_get_config_dir(void);
42 extern const char *wine_get_data_dir(void);
43 extern const char *wine_get_server_dir(void);
44 extern const char *wine_get_user_name(void);
45 extern const char *wine_get_version(void);
46 extern const char *wine_get_build_id(void);
47 extern void wine_init_argv0_path( const char *argv0
);
48 extern void wine_exec_wine_binary( const char *name
, char **argv
, const char *env_var
);
52 typedef void (*load_dll_callback_t
)( void *, const char * );
54 extern void *wine_dlopen( const char *filename
, int flag
, char *error
, size_t errorsize
);
55 extern void *wine_dlsym( void *handle
, const char *symbol
, char *error
, size_t errorsize
);
56 extern int wine_dlclose( void *handle
, char *error
, size_t errorsize
);
57 extern void wine_dll_set_callback( load_dll_callback_t load
);
58 extern void *wine_dll_load( const char *filename
, char *error
, int errorsize
, int *file_exists
);
59 extern void *wine_dll_load_main_exe( const char *name
, char *error
, int errorsize
,
60 int test_only
, int *file_exists
);
61 extern void wine_dll_unload( void *handle
);
62 extern const char *wine_dll_enum_load_path( unsigned int index
);
63 extern int wine_dll_get_owner( const char *name
, char *buffer
, int size
, int *file_exists
);
65 extern int __wine_main_argc
;
66 extern char **__wine_main_argv
;
67 extern WCHAR
**__wine_main_wargv
;
68 extern char **__wine_main_environ
;
69 extern void __wine_dll_register( const IMAGE_NT_HEADERS
*header
, const char *filename
);
70 extern void wine_init( int argc
, char *argv
[], char *error
, int error_size
);
74 extern void DECLSPEC_NORETURN
wine_switch_to_stack( void (*func
)(void *), void *arg
, void *stack
);
75 extern int wine_call_on_stack( int (*func
)(void *), void *arg
, void *stack
);
79 extern void *wine_anon_mmap( void *start
, size_t size
, int prot
, int flags
);
80 extern void wine_mmap_add_reserved_area( void *addr
, size_t size
);
81 extern void wine_mmap_remove_reserved_area( void *addr
, size_t size
, int unmap
);
82 extern int wine_mmap_is_in_reserved_area( void *addr
, size_t size
);
83 extern int wine_mmap_enum_reserved_areas( int (*enum_func
)(void *base
, size_t size
, void *arg
),
84 void *arg
, int top_down
);
88 extern void wine_ldt_init_locking( void (*lock_func
)(void), void (*unlock_func
)(void) );
89 extern void wine_ldt_get_entry( unsigned short sel
, LDT_ENTRY
*entry
);
90 extern int wine_ldt_set_entry( unsigned short sel
, const LDT_ENTRY
*entry
);
91 extern int wine_ldt_is_system( unsigned short sel
);
92 extern void *wine_ldt_get_ptr( unsigned short sel
, unsigned long offset
);
93 extern unsigned short wine_ldt_alloc_entries( int count
);
94 extern unsigned short wine_ldt_realloc_entries( unsigned short sel
, int oldcount
, int newcount
);
95 extern void wine_ldt_free_entries( unsigned short sel
, int count
);
96 #if defined(__i386__) && !defined(__MINGW32__) && !defined(_MSC_VER)
97 extern unsigned short wine_ldt_alloc_fs(void);
98 extern void wine_ldt_init_fs( unsigned short sel
, const LDT_ENTRY
*entry
);
99 extern void wine_ldt_free_fs( unsigned short sel
);
101 static inline unsigned short wine_ldt_alloc_fs(void) { return 0x0b; /* pseudo GDT selector */ }
102 static inline void wine_ldt_init_fs( unsigned short sel
, const LDT_ENTRY
*entry
) { }
103 static inline void wine_ldt_free_fs( unsigned short sel
) { }
104 #endif /* __i386__ */
107 /* the local copy of the LDT */
109 # ifdef WINE_EXPORT_LDT_COPY
110 # define WINE_LDT_EXTERN __declspec(dllexport)
112 # define WINE_LDT_EXTERN __declspec(dllimport)
115 # define WINE_LDT_EXTERN extern
118 WINE_LDT_EXTERN
struct __wine_ldt_copy
120 void *base
[8192]; /* base address or 0 if entry is free */
121 unsigned long limit
[8192]; /* limit in bytes or 0 if entry is free */
122 unsigned char flags
[8192]; /* flags (defined below) */
125 #define WINE_LDT_FLAGS_DATA 0x13 /* Data segment */
126 #define WINE_LDT_FLAGS_STACK 0x17 /* Stack segment */
127 #define WINE_LDT_FLAGS_CODE 0x1b /* Code segment */
128 #define WINE_LDT_FLAGS_TYPE_MASK 0x1f /* Mask for segment type */
129 #define WINE_LDT_FLAGS_32BIT 0x40 /* Segment is 32-bit (code or stack) */
130 #define WINE_LDT_FLAGS_ALLOCATED 0x80 /* Segment is allocated (no longer free) */
132 /* helper functions to manipulate the LDT_ENTRY structure */
133 static inline void wine_ldt_set_base( LDT_ENTRY
*ent
, const void *base
)
135 ent
->BaseLow
= (WORD
)(ULONG_PTR
)base
;
136 ent
->HighWord
.Bits
.BaseMid
= (BYTE
)((ULONG_PTR
)base
>> 16);
137 ent
->HighWord
.Bits
.BaseHi
= (BYTE
)((ULONG_PTR
)base
>> 24);
139 static inline void wine_ldt_set_limit( LDT_ENTRY
*ent
, unsigned int limit
)
141 if ((ent
->HighWord
.Bits
.Granularity
= (limit
>= 0x100000))) limit
>>= 12;
142 ent
->LimitLow
= (WORD
)limit
;
143 ent
->HighWord
.Bits
.LimitHi
= (limit
>> 16);
145 static inline void *wine_ldt_get_base( const LDT_ENTRY
*ent
)
147 return (void *)(ent
->BaseLow
|
148 (ULONG_PTR
)ent
->HighWord
.Bits
.BaseMid
<< 16 |
149 (ULONG_PTR
)ent
->HighWord
.Bits
.BaseHi
<< 24);
151 static inline unsigned int wine_ldt_get_limit( const LDT_ENTRY
*ent
)
153 unsigned int limit
= ent
->LimitLow
| (ent
->HighWord
.Bits
.LimitHi
<< 16);
154 if (ent
->HighWord
.Bits
.Granularity
) limit
= (limit
<< 12) | 0xfff;
157 static inline void wine_ldt_set_flags( LDT_ENTRY
*ent
, unsigned char flags
)
159 ent
->HighWord
.Bits
.Dpl
= 3;
160 ent
->HighWord
.Bits
.Pres
= 1;
161 ent
->HighWord
.Bits
.Type
= flags
;
162 ent
->HighWord
.Bits
.Sys
= 0;
163 ent
->HighWord
.Bits
.Reserved_0
= 0;
164 ent
->HighWord
.Bits
.Default_Big
= (flags
& WINE_LDT_FLAGS_32BIT
) != 0;
166 static inline unsigned char wine_ldt_get_flags( const LDT_ENTRY
*ent
)
168 unsigned char ret
= ent
->HighWord
.Bits
.Type
;
169 if (ent
->HighWord
.Bits
.Default_Big
) ret
|= WINE_LDT_FLAGS_32BIT
;
172 static inline int wine_ldt_is_empty( const LDT_ENTRY
*ent
)
174 const DWORD
*dw
= (const DWORD
*)ent
;
175 return (dw
[0] | dw
[1]) == 0;
178 /* segment register access */
182 # define __DEFINE_GET_SEG(seg) \
183 static inline unsigned short wine_get_##seg(void); \
184 static inline unsigned short wine_get_##seg(void) \
185 { unsigned short res; __asm__ __volatile__("movw %%" #seg ",%w0" : "=r"(res)); return res; }
186 # define __DEFINE_SET_SEG(seg) \
187 static inline void wine_set_##seg(int val); \
188 static inline void wine_set_##seg(int val) { __asm__("movw %w0,%%" #seg : : "r" (val)); }
189 # elif defined(__GNUC__)
190 # define __DEFINE_GET_SEG(seg) \
191 extern inline unsigned short wine_get_##seg(void); \
192 extern inline unsigned short wine_get_##seg(void) \
193 { unsigned short res; __asm__ __volatile__("movw %%" #seg ",%w0" : "=r"(res)); return res; }
194 # define __DEFINE_SET_SEG(seg) \
195 extern inline void wine_set_##seg(int val); \
196 extern inline void wine_set_##seg(int val) { __asm__("movw %w0,%%" #seg : : "r" (val)); }
197 # elif defined(_MSC_VER)
198 # define __DEFINE_GET_SEG(seg) \
199 extern inline unsigned short wine_get_##seg(void); \
200 extern inline unsigned short wine_get_##seg(void) \
201 { unsigned short res; __asm { mov res, seg } return res; }
202 # define __DEFINE_SET_SEG(seg) \
203 extern inline void wine_set_##seg(unsigned short val); \
204 extern inline void wine_set_##seg(unsigned short val) { __asm { mov seg, val } }
205 # else /* __GNUC__ || _MSC_VER */
206 # define __DEFINE_GET_SEG(seg) extern unsigned short wine_get_##seg(void);
207 # define __DEFINE_SET_SEG(seg) extern void wine_set_##seg(unsigned int);
208 # endif /* __GNUC__ || _MSC_VER */
210 # define __DEFINE_GET_SEG(seg) static inline unsigned short wine_get_##seg(void) { return 0; }
211 # define __DEFINE_SET_SEG(seg) static inline void wine_set_##seg(int val) { /* nothing */ }
212 #endif /* __i386__ */
222 #undef __DEFINE_GET_SEG
223 #undef __DEFINE_SET_SEG
229 #endif /* __WINE_WINE_LIBRARY_H */