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source: vbox/trunk/src/VBox/Additions/WINNT/Graphics/Wine/include/wine/library.h@ 33656

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1/*
2 * Definitions for the Wine library
3 *
4 * Copyright 2000 Alexandre Julliard
5 *
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.
10 *
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.
15 *
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
19 */
20
21/*
22 * Oracle LGPL Disclaimer: For the avoidance of doubt, except that if any license choice
23 * other than GPL or LGPL is available it will apply instead, Oracle elects to use only
24 * the Lesser General Public License version 2.1 (LGPLv2) at this time for any software where
25 * a choice of LGPL license versions is made available with the language indicating
26 * that LGPLv2 or any later version may be used, or where a choice of which version
27 * of the LGPL is applied is otherwise unspecified.
28 */
29
30#ifndef __WINE_WINE_LIBRARY_H
31#define __WINE_WINE_LIBRARY_H
32
33#include <stdarg.h>
34#include <sys/types.h>
35
36#include <windef.h>
37#include <winbase.h>
38
39#ifdef __WINE_WINE_TEST_H
40#error This file should not be used in Wine tests
41#endif
42
43#ifdef __cplusplus
44extern "C" {
45#endif
46
47/* configuration */
48
49extern const char *wine_get_build_dir(void);
50extern const char *wine_get_config_dir(void);
51extern const char *wine_get_data_dir(void);
52extern const char *wine_get_server_dir(void);
53extern const char *wine_get_user_name(void);
54extern const char *wine_get_version(void);
55extern const char *wine_get_build_id(void);
56extern void wine_init_argv0_path( const char *argv0 );
57extern void wine_exec_wine_binary( const char *name, char **argv, const char *env_var );
58
59/* dll loading */
60
61typedef void (*load_dll_callback_t)( void *, const char * );
62
63extern void *wine_dlopen( const char *filename, int flag, char *error, size_t errorsize );
64extern void *wine_dlsym( void *handle, const char *symbol, char *error, size_t errorsize );
65extern int wine_dlclose( void *handle, char *error, size_t errorsize );
66extern void wine_dll_set_callback( load_dll_callback_t load );
67extern void *wine_dll_load( const char *filename, char *error, int errorsize, int *file_exists );
68extern void *wine_dll_load_main_exe( const char *name, char *error, int errorsize,
69 int test_only, int *file_exists );
70extern void wine_dll_unload( void *handle );
71extern const char *wine_dll_enum_load_path( unsigned int index );
72extern int wine_dll_get_owner( const char *name, char *buffer, int size, int *file_exists );
73
74extern int __wine_main_argc;
75extern char **__wine_main_argv;
76extern WCHAR **__wine_main_wargv;
77extern void __wine_dll_register( const IMAGE_NT_HEADERS *header, const char *filename );
78extern void wine_init( int argc, char *argv[], char *error, int error_size );
79
80/* portability */
81
82extern void DECLSPEC_NORETURN wine_switch_to_stack( void (*func)(void *), void *arg, void *stack );
83extern int wine_call_on_stack( int (*func)(void *), void *arg, void *stack );
84
85/* memory mappings */
86
87extern void *wine_anon_mmap( void *start, size_t size, int prot, int flags );
88extern void wine_mmap_add_reserved_area( void *addr, size_t size );
89extern void wine_mmap_remove_reserved_area( void *addr, size_t size, int unmap );
90extern int wine_mmap_is_in_reserved_area( void *addr, size_t size );
91extern int wine_mmap_enum_reserved_areas( int (*enum_func)(void *base, size_t size, void *arg),
92 void *arg, int top_down );
93
94#ifdef __i386__
95
96/* LDT management */
97
98extern void wine_ldt_init_locking( void (*lock_func)(void), void (*unlock_func)(void) );
99extern void wine_ldt_get_entry( unsigned short sel, LDT_ENTRY *entry );
100extern int wine_ldt_set_entry( unsigned short sel, const LDT_ENTRY *entry );
101extern int wine_ldt_is_system( unsigned short sel );
102extern void *wine_ldt_get_ptr( unsigned short sel, unsigned long offset );
103extern unsigned short wine_ldt_alloc_entries( int count );
104extern unsigned short wine_ldt_realloc_entries( unsigned short sel, int oldcount, int newcount );
105extern void wine_ldt_free_entries( unsigned short sel, int count );
106extern unsigned short wine_ldt_alloc_fs(void);
107extern void wine_ldt_init_fs( unsigned short sel, const LDT_ENTRY *entry );
108extern void wine_ldt_free_fs( unsigned short sel );
109
110/* the local copy of the LDT */
111extern struct __wine_ldt_copy
112{
113 void *base[8192]; /* base address or 0 if entry is free */
114 unsigned long limit[8192]; /* limit in bytes or 0 if entry is free */
115 unsigned char flags[8192]; /* flags (defined below) */
116} wine_ldt_copy;
117
118#define WINE_LDT_FLAGS_DATA 0x13 /* Data segment */
119#define WINE_LDT_FLAGS_STACK 0x17 /* Stack segment */
120#define WINE_LDT_FLAGS_CODE 0x1b /* Code segment */
121#define WINE_LDT_FLAGS_TYPE_MASK 0x1f /* Mask for segment type */
122#define WINE_LDT_FLAGS_32BIT 0x40 /* Segment is 32-bit (code or stack) */
123#define WINE_LDT_FLAGS_ALLOCATED 0x80 /* Segment is allocated (no longer free) */
124
125/* helper functions to manipulate the LDT_ENTRY structure */
126static inline void wine_ldt_set_base( LDT_ENTRY *ent, const void *base )
127{
128 ent->BaseLow = (WORD)(ULONG_PTR)base;
129 ent->HighWord.Bits.BaseMid = (BYTE)((ULONG_PTR)base >> 16);
130 ent->HighWord.Bits.BaseHi = (BYTE)((ULONG_PTR)base >> 24);
131}
132static inline void wine_ldt_set_limit( LDT_ENTRY *ent, unsigned int limit )
133{
134 if ((ent->HighWord.Bits.Granularity = (limit >= 0x100000))) limit >>= 12;
135 ent->LimitLow = (WORD)limit;
136 ent->HighWord.Bits.LimitHi = (limit >> 16);
137}
138static inline void *wine_ldt_get_base( const LDT_ENTRY *ent )
139{
140 return (void *)(ent->BaseLow |
141 (ULONG_PTR)ent->HighWord.Bits.BaseMid << 16 |
142 (ULONG_PTR)ent->HighWord.Bits.BaseHi << 24);
143}
144static inline unsigned int wine_ldt_get_limit( const LDT_ENTRY *ent )
145{
146 unsigned int limit = ent->LimitLow | (ent->HighWord.Bits.LimitHi << 16);
147 if (ent->HighWord.Bits.Granularity) limit = (limit << 12) | 0xfff;
148 return limit;
149}
150static inline void wine_ldt_set_flags( LDT_ENTRY *ent, unsigned char flags )
151{
152 ent->HighWord.Bits.Dpl = 3;
153 ent->HighWord.Bits.Pres = 1;
154 ent->HighWord.Bits.Type = flags;
155 ent->HighWord.Bits.Sys = 0;
156 ent->HighWord.Bits.Reserved_0 = 0;
157 ent->HighWord.Bits.Default_Big = (flags & WINE_LDT_FLAGS_32BIT) != 0;
158}
159static inline unsigned char wine_ldt_get_flags( const LDT_ENTRY *ent )
160{
161 unsigned char ret = ent->HighWord.Bits.Type;
162 if (ent->HighWord.Bits.Default_Big) ret |= WINE_LDT_FLAGS_32BIT;
163 return ret;
164}
165static inline int wine_ldt_is_empty( const LDT_ENTRY *ent )
166{
167 const DWORD *dw = (const DWORD *)ent;
168 return (dw[0] | dw[1]) == 0;
169}
170
171/* segment register access */
172
173# ifdef __MINGW32__
174# define __DEFINE_GET_SEG(seg) \
175 static inline unsigned short wine_get_##seg(void); \
176 static inline unsigned short wine_get_##seg(void) \
177 { unsigned short res; __asm__ __volatile__("movw %%" #seg ",%w0" : "=r"(res)); return res; }
178# define __DEFINE_SET_SEG(seg) \
179 static inline void wine_set_##seg(int val); \
180 static inline void wine_set_##seg(int val) { __asm__("movw %w0,%%" #seg : : "r" (val)); }
181# elif defined(__GNUC__)
182# define __DEFINE_GET_SEG(seg) \
183 extern inline unsigned short wine_get_##seg(void); \
184 extern 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 extern inline void wine_set_##seg(int val); \
188 extern inline void wine_set_##seg(int val) { __asm__("movw %w0,%%" #seg : : "r" (val)); }
189# elif defined(_MSC_VER)
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 { mov res, seg } return res; }
194# define __DEFINE_SET_SEG(seg) \
195 extern inline void wine_set_##seg(unsigned short val); \
196 extern inline void wine_set_##seg(unsigned short val) { __asm { mov seg, val } }
197# else /* __GNUC__ || _MSC_VER */
198# define __DEFINE_GET_SEG(seg) extern unsigned short wine_get_##seg(void);
199# define __DEFINE_SET_SEG(seg) extern void wine_set_##seg(unsigned int);
200# endif /* __GNUC__ || _MSC_VER */
201
202__DEFINE_GET_SEG(cs)
203__DEFINE_GET_SEG(ds)
204__DEFINE_GET_SEG(es)
205__DEFINE_GET_SEG(fs)
206__DEFINE_GET_SEG(gs)
207__DEFINE_GET_SEG(ss)
208__DEFINE_SET_SEG(fs)
209__DEFINE_SET_SEG(gs)
210#undef __DEFINE_GET_SEG
211#undef __DEFINE_SET_SEG
212
213#endif /* __i386__ */
214
215#ifdef __cplusplus
216}
217#endif
218
219#endif /* __WINE_WINE_LIBRARY_H */
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