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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 #ifndef __WINE_WINE_LIBRARY_H
22 #define __WINE_WINE_LIBRARY_H
25 #include <sys/types.h>
32 extern const char *wine_get_config_dir(void);
33 extern const char *wine_get_server_dir(void);
34 extern const char *wine_get_user_name(void);
35 extern void wine_init_argv0_path( const char *argv0 );
36 extern void wine_exec_wine_binary( const char *name, char **argv, const char *env_var );
40 typedef void (*load_dll_callback_t)( void *, const char * );
42 extern void *wine_dlopen( const char *filename, int flag, char *error, size_t errorsize );
43 extern void *wine_dlsym( void *handle, const char *symbol, char *error, size_t errorsize );
44 extern int wine_dlclose( void *handle, char *error, size_t errorsize );
45 extern void wine_dll_set_callback( load_dll_callback_t load );
46 extern void *wine_dll_load( const char *filename, char *error, int errorsize, int *file_exists );
47 extern void *wine_dll_load_main_exe( const char *name, char *error, int errorsize,
48 int test_only, int *file_exists );
49 extern void wine_dll_unload( void *handle );
50 extern const char *wine_dll_enum_load_path( unsigned int index );
51 extern int wine_dll_get_owner( const char *name, char *buffer, int size, int *file_exists );
53 extern int __wine_main_argc;
54 extern char **__wine_main_argv;
55 extern WCHAR **__wine_main_wargv;
56 extern char **__wine_main_environ;
57 extern void __wine_dll_register( const IMAGE_NT_HEADERS *header, const char *filename );
58 extern void wine_init( int argc, char *argv[], char *error, int error_size );
62 extern void DECLSPEC_NORETURN wine_switch_to_stack( void (*func)(void *), void *arg, void *stack );
63 extern void wine_set_pe_load_area( void *base, size_t size );
64 extern void wine_free_pe_load_area(void);
68 extern void *wine_anon_mmap( void *start, size_t size, int prot, int flags );
69 extern void wine_mmap_add_reserved_area( void *addr, size_t size );
70 extern void wine_mmap_remove_reserved_area( void *addr, size_t size, int unmap );
71 extern int wine_mmap_is_in_reserved_area( void *addr, size_t size );
75 extern void wine_ldt_init_locking( void (*lock_func)(void), void (*unlock_func)(void) );
76 extern void wine_ldt_get_entry( unsigned short sel, LDT_ENTRY *entry );
77 extern int wine_ldt_set_entry( unsigned short sel, const LDT_ENTRY *entry );
78 extern int wine_ldt_is_system( unsigned short sel );
79 extern void *wine_ldt_get_ptr( unsigned short sel, unsigned long offset );
80 extern unsigned short wine_ldt_alloc_entries( int count );
81 extern unsigned short wine_ldt_realloc_entries( unsigned short sel, int oldcount, int newcount );
82 extern void wine_ldt_free_entries( unsigned short sel, int count );
84 extern unsigned short wine_ldt_alloc_fs(void);
85 extern void wine_ldt_init_fs( unsigned short sel, const LDT_ENTRY *entry );
86 extern void wine_ldt_free_fs( unsigned short sel );
88 static inline unsigned short wine_ldt_alloc_fs(void) { return 0x0b; /* pseudo GDT selector */ }
89 static inline void wine_ldt_init_fs( unsigned short sel, const LDT_ENTRY *entry ) { }
90 static inline void wine_ldt_free_fs( unsigned short sel ) { }
94 /* the local copy of the LDT */
96 # ifdef WINE_EXPORT_LDT_COPY
97 # define WINE_LDT_EXTERN __declspec(dllexport)
99 # define WINE_LDT_EXTERN __declspec(dllimport)
102 # define WINE_LDT_EXTERN extern
105 WINE_LDT_EXTERN struct __wine_ldt_copy
107 void *base[8192]; /* base address or 0 if entry is free */
108 unsigned long limit[8192]; /* limit in bytes or 0 if entry is free */
109 unsigned char flags[8192]; /* flags (defined below) */
112 #define WINE_LDT_FLAGS_DATA 0x13 /* Data segment */
113 #define WINE_LDT_FLAGS_STACK 0x17 /* Stack segment */
114 #define WINE_LDT_FLAGS_CODE 0x1b /* Code segment */
115 #define WINE_LDT_FLAGS_TYPE_MASK 0x1f /* Mask for segment type */
116 #define WINE_LDT_FLAGS_32BIT 0x40 /* Segment is 32-bit (code or stack) */
117 #define WINE_LDT_FLAGS_ALLOCATED 0x80 /* Segment is allocated (no longer free) */
119 /* helper functions to manipulate the LDT_ENTRY structure */
120 inline static void wine_ldt_set_base( LDT_ENTRY *ent, const void *base )
122 ent->BaseLow = (WORD)(unsigned long)base;
123 ent->HighWord.Bits.BaseMid = (BYTE)((unsigned long)base >> 16);
124 ent->HighWord.Bits.BaseHi = (BYTE)((unsigned long)base >> 24);
126 inline static void wine_ldt_set_limit( LDT_ENTRY *ent, unsigned int limit )
128 if ((ent->HighWord.Bits.Granularity = (limit >= 0x100000))) limit >>= 12;
129 ent->LimitLow = (WORD)limit;
130 ent->HighWord.Bits.LimitHi = (limit >> 16);
132 inline static void *wine_ldt_get_base( const LDT_ENTRY *ent )
134 return (void *)(ent->BaseLow |
135 (unsigned long)ent->HighWord.Bits.BaseMid << 16 |
136 (unsigned long)ent->HighWord.Bits.BaseHi << 24);
138 inline static unsigned int wine_ldt_get_limit( const LDT_ENTRY *ent )
140 unsigned int limit = ent->LimitLow | (ent->HighWord.Bits.LimitHi << 16);
141 if (ent->HighWord.Bits.Granularity) limit = (limit << 12) | 0xfff;
144 inline static void wine_ldt_set_flags( LDT_ENTRY *ent, unsigned char flags )
146 ent->HighWord.Bits.Dpl = 3;
147 ent->HighWord.Bits.Pres = 1;
148 ent->HighWord.Bits.Type = flags;
149 ent->HighWord.Bits.Sys = 0;
150 ent->HighWord.Bits.Reserved_0 = 0;
151 ent->HighWord.Bits.Default_Big = (flags & WINE_LDT_FLAGS_32BIT) != 0;
153 inline static unsigned char wine_ldt_get_flags( const LDT_ENTRY *ent )
155 unsigned char ret = ent->HighWord.Bits.Type;
156 if (ent->HighWord.Bits.Default_Big) ret |= WINE_LDT_FLAGS_32BIT;
159 inline static int wine_ldt_is_empty( const LDT_ENTRY *ent )
161 const DWORD *dw = (const DWORD *)ent;
162 return (dw[0] | dw[1]) == 0;
165 /* segment register access */
169 # define __DEFINE_GET_SEG(seg) \
170 extern inline unsigned short wine_get_##seg(void); \
171 extern inline unsigned short wine_get_##seg(void) \
172 { unsigned short res; __asm__("movw %%" #seg ",%w0" : "=r"(res)); return res; }
173 # define __DEFINE_SET_SEG(seg) \
174 extern inline void wine_set_##seg(int val); \
175 extern inline void wine_set_##seg(int val) { __asm__("movw %w0,%%" #seg : : "r" (val)); }
176 # elif defined(_MSC_VER)
177 # define __DEFINE_GET_SEG(seg) \
178 extern inline unsigned short wine_get_##seg(void); \
179 extern inline unsigned short wine_get_##seg(void) \
180 { unsigned short res; __asm { mov res, seg } return res; }
181 # define __DEFINE_SET_SEG(seg) \
182 extern inline void wine_set_##seg(unsigned short val); \
183 extern inline void wine_set_##seg(unsigned short val) { __asm { mov seg, val } }
184 # else /* __GNUC__ || _MSC_VER */
185 # define __DEFINE_GET_SEG(seg) extern unsigned short wine_get_##seg(void);
186 # define __DEFINE_SET_SEG(seg) extern void wine_set_##seg(unsigned int);
187 # endif /* __GNUC__ || _MSC_VER */
189 # define __DEFINE_GET_SEG(seg) inline static unsigned short wine_get_##seg(void) { return 0; }
190 # define __DEFINE_SET_SEG(seg) inline static void wine_set_##seg(int val) { /* nothing */ }
191 #endif /* __i386__ */
201 #undef __DEFINE_GET_SEG
202 #undef __DEFINE_SET_SEG
204 #endif /* __WINE_WINE_LIBRARY_H */