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 Street, Fifth Floor, Boston, MA 02110-1301 USA 19 */ 20 21 #ifndef __WINE_WINE_LIBRARY_H 22 #define __WINE_WINE_LIBRARY_H 23 24 #include <stdarg.h> 25 #include <sys/types.h> 26 #include <stdint.h> 27 28 #include <windef.h> 29 #include <winbase.h> 30 31 /* configuration */ 32 33 extern const char *wine_get_build_dir(void); 34 extern const char *wine_get_config_dir(void); 35 extern const char *wine_get_data_dir(void); 36 extern const char *wine_get_server_dir(void); 37 extern const char *wine_get_user_name(void); 38 extern void wine_init_argv0_path( const char *argv0 ); 39 extern void wine_exec_wine_binary( const char *name, char **argv, char **envp, int use_preloader ); 40 41 /* dll loading */ 42 43 typedef void (*load_dll_callback_t)( void *, const char * ); 44 45 extern void *wine_dlopen( const char *filename, int flag, char *error, size_t errorsize ); 46 extern void *wine_dlsym( void *handle, const char *symbol, char *error, size_t errorsize ); 47 extern int wine_dlclose( void *handle, char *error, size_t errorsize ); 48 extern void wine_dll_set_callback( load_dll_callback_t load ); 49 extern void *wine_dll_load( const char *filename, char *error, int errorsize, int *file_exists ); 50 extern void *wine_dll_load_main_exe( const char *name, char *error, int errorsize, 51 int test_only, int *file_exists ); 52 extern void wine_dll_unload( void *handle ); 53 extern int wine_dll_get_owner( const char *name, char *buffer, int size, int *file_exists ); 54 55 extern int __wine_main_argc; 56 extern char **__wine_main_argv; 57 extern WCHAR **__wine_main_wargv; 58 extern char **__wine_main_environ; 59 extern void wine_init( int argc, char *argv[], char *error, int error_size ); 60 61 /* debugging */ 62 63 extern const char * (*__wine_dbgstr_an)( const char * s, int n ); 64 extern const char * (*__wine_dbgstr_wn)( const WCHAR *s, int n ); 65 extern const char * (*__wine_dbg_vsprintf)( const char *format, va_list args ); 66 extern int (*__wine_dbg_vprintf)( const char *format, va_list args ); 67 extern int (*__wine_dbg_vlog)( unsigned int cls, const char *channel, 68 const char *function, const char *format, va_list args ); 69 70 extern void wine_dbg_add_option( const char *name, unsigned char set, unsigned char clear ); 71 extern int wine_dbg_parse_options( const char *str ); 72 73 /* portability */ 74 75 extern void DECLSPEC_NORETURN wine_switch_to_stack( void (*func)(void *), void *arg, void *stack ); 76 extern void wine_set_pe_load_area( void *base, size_t size ); 77 extern void wine_free_pe_load_area(void); 78 79 /* memory mappings */ 80 81 extern void *wine_anon_mmap( void *start, size_t size, int prot, int flags ); 82 extern void wine_mmap_add_reserved_area( void *addr, size_t size ); 83 extern void wine_mmap_remove_reserved_area( void *addr, size_t size, int unmap ); 84 extern int wine_mmap_is_in_reserved_area( void *addr, size_t size ); 85 86 /* LDT management */ 87 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 int 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__ */ 105 106 107 /* 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 117 118 WINE_LDT_EXTERN struct __wine_ldt_copy 119 { 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; 124 125 #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) */ 131 132 /* helper functions to manipulate the LDT_ENTRY structure */ 133 inline static void wine_ldt_set_base( LDT_ENTRY *ent, const void *base ) 134 { 135 ent->BaseLow = (WORD)(intptr_t)base; 136 ent->HighWord.Bits.BaseMid = (BYTE)((intptr_t)base >> 16); 137 ent->HighWord.Bits.BaseHi = (BYTE)((intptr_t)base >> 24); 138 } 139 inline static void wine_ldt_set_limit( LDT_ENTRY *ent, unsigned int limit ) 140 { 141 if ((ent->HighWord.Bits.Granularity = (limit >= 0x100000))) limit >>= 12; 142 ent->LimitLow = (WORD)limit; 143 ent->HighWord.Bits.LimitHi = (limit >> 16); 144 } 145 inline static void *wine_ldt_get_base( const LDT_ENTRY *ent ) 146 { 147 return (void *)(ent->BaseLow | 148 (intptr_t)ent->HighWord.Bits.BaseMid << 16 | 149 (intptr_t)ent->HighWord.Bits.BaseHi << 24); 150 } 151 inline static unsigned int wine_ldt_get_limit( const LDT_ENTRY *ent ) 152 { 153 unsigned int limit = ent->LimitLow | (ent->HighWord.Bits.LimitHi << 16); 154 if (ent->HighWord.Bits.Granularity) limit = (limit << 12) | 0xfff; 155 return limit; 156 } 157 inline static void wine_ldt_set_flags( LDT_ENTRY *ent, unsigned char flags ) 158 { 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; 165 } 166 inline static unsigned char wine_ldt_get_flags( const LDT_ENTRY *ent ) 167 { 168 unsigned char ret = ent->HighWord.Bits.Type; 169 if (ent->HighWord.Bits.Default_Big) ret |= WINE_LDT_FLAGS_32BIT; 170 return ret; 171 } 172 inline static int wine_ldt_is_empty( const LDT_ENTRY *ent ) 173 { 174 const DWORD *dw = (const DWORD *)ent; 175 return (dw[0] | dw[1]) == 0; 176 } 177 178 /* segment register access */ 179 180 #ifdef __i386__ 181 # ifdef __GNUC__ 182 # define __DEFINE_GET_SEG(seg) \ 183 static inline unsigned short wine_get_##seg(void) \ 184 { unsigned short res; __asm__("movw %%" #seg ",%w0" : "=r"(res)); return res; } 185 # define __DEFINE_SET_SEG(seg) \ 186 static inline void wine_set_##seg(int val) { __asm__("movw %w0,%%" #seg : : "r" (val)); } 187 # elif defined(_MSC_VER) 188 # define __DEFINE_GET_SEG(seg) \ 189 extern inline unsigned short wine_get_##seg(void) \ 190 { unsigned short res; __asm { mov res, seg } return res; } 191 # define __DEFINE_SET_SEG(seg) \ 192 extern inline void wine_set_##seg(unsigned short val) { __asm { mov seg, val } } 193 # else /* __GNUC__ || _MSC_VER */ 194 # define __DEFINE_GET_SEG(seg) extern unsigned short wine_get_##seg(void); 195 # define __DEFINE_SET_SEG(seg) extern void wine_set_##seg(unsigned int); 196 # endif /* __GNUC__ || _MSC_VER */ 197 #else /* __i386__ */ 198 # define __DEFINE_GET_SEG(seg) inline static unsigned short wine_get_##seg(void) { return 0; } 199 # define __DEFINE_SET_SEG(seg) inline static void wine_set_##seg(int val) { /* nothing */ } 200 #endif /* __i386__ */ 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 /* __WINE_WINE_LIBRARY_H */ 214