push 9e645869891abdc47a8701768b7a401b196a1e38
[wine/hacks.git] / include / wine / library.h
blob2411ae1bd96e219be74cffbc77dd05d9c6fe6377
1 /*
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
24 #include <stdarg.h>
25 #include <sys/types.h>
27 #include <windef.h>
28 #include <winbase.h>
30 #ifdef __WINE_WINE_TEST_H
31 #error This file should not be used in Wine tests
32 #endif
34 #ifdef __cplusplus
35 extern "C" {
36 #endif
38 /* configuration */
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 );
50 /* dll loading */
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 );
72 /* portability */
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 );
77 /* memory mappings */
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 );
86 /* LDT management */
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 #ifdef __i386__
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 );
100 #else /* __i386__ */
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 */
108 #ifdef __CYGWIN__
109 # ifdef WINE_EXPORT_LDT_COPY
110 # define WINE_LDT_EXTERN __declspec(dllexport)
111 # else
112 # define WINE_LDT_EXTERN __declspec(dllimport)
113 # endif
114 #else
115 # define WINE_LDT_EXTERN extern
116 #endif
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) */
123 } wine_ldt_copy;
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)(unsigned long)base;
136 ent->HighWord.Bits.BaseMid = (BYTE)((unsigned long)base >> 16);
137 ent->HighWord.Bits.BaseHi = (BYTE)((unsigned long)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 (unsigned long)ent->HighWord.Bits.BaseMid << 16 |
149 (unsigned long)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;
155 return limit;
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;
170 return ret;
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 */
180 #ifdef __i386__
181 # ifdef __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 #else /* __i386__ */
202 # define __DEFINE_GET_SEG(seg) static inline unsigned short wine_get_##seg(void) { return 0; }
203 # define __DEFINE_SET_SEG(seg) static inline void wine_set_##seg(int val) { /* nothing */ }
204 #endif /* __i386__ */
206 __DEFINE_GET_SEG(cs)
207 __DEFINE_GET_SEG(ds)
208 __DEFINE_GET_SEG(es)
209 __DEFINE_GET_SEG(fs)
210 __DEFINE_GET_SEG(gs)
211 __DEFINE_GET_SEG(ss)
212 __DEFINE_SET_SEG(fs)
213 __DEFINE_SET_SEG(gs)
214 #undef __DEFINE_GET_SEG
215 #undef __DEFINE_SET_SEG
217 #ifdef __cplusplus
219 #endif
221 #endif /* __WINE_WINE_LIBRARY_H */