/* * Definitions for the Wine library * * Copyright 2000 Alexandre Julliard * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef __WINE_WINE_LIBRARY_H #define __WINE_WINE_LIBRARY_H #include #include #include #include /* configuration */ extern const char *wine_get_config_dir(void); extern const char *wine_get_server_dir(void); extern const char *wine_get_user_name(void); extern void wine_init_argv0_path( const char *argv0 ); extern void wine_exec_wine_binary( const char *name, char **argv, const char *env_var ); /* dll loading */ typedef void (*load_dll_callback_t)( void *, const char * ); extern void *wine_dlopen( const char *filename, int flag, char *error, size_t errorsize ); extern void *wine_dlsym( void *handle, const char *symbol, char *error, size_t errorsize ); extern int wine_dlclose( void *handle, char *error, size_t errorsize ); extern void wine_dll_set_callback( load_dll_callback_t load ); extern void *wine_dll_load( const char *filename, char *error, int errorsize, int *file_exists ); extern void *wine_dll_load_main_exe( const char *name, char *error, int errorsize, int test_only, int *file_exists ); extern void wine_dll_unload( void *handle ); extern const char *wine_dll_enum_load_path( unsigned int index ); extern int wine_dll_get_owner( const char *name, char *buffer, int size, int *file_exists ); extern int __wine_main_argc; extern char **__wine_main_argv; extern WCHAR **__wine_main_wargv; extern char **__wine_main_environ; extern void __wine_dll_register( const IMAGE_NT_HEADERS *header, const char *filename ); extern void wine_init( int argc, char *argv[], char *error, int error_size ); /* portability */ extern void DECLSPEC_NORETURN wine_switch_to_stack( void (*func)(void *), void *arg, void *stack ); extern void wine_set_pe_load_area( void *base, size_t size ); extern void wine_free_pe_load_area(void); /* memory mappings */ extern void *wine_anon_mmap( void *start, size_t size, int prot, int flags ); extern void wine_mmap_add_reserved_area( void *addr, size_t size ); extern void wine_mmap_remove_reserved_area( void *addr, size_t size, int unmap ); extern int wine_mmap_is_in_reserved_area( void *addr, size_t size ); /* LDT management */ extern void wine_ldt_init_locking( void (*lock_func)(void), void (*unlock_func)(void) ); extern void wine_ldt_get_entry( unsigned short sel, LDT_ENTRY *entry ); extern int wine_ldt_set_entry( unsigned short sel, const LDT_ENTRY *entry ); extern int wine_ldt_is_system( unsigned short sel ); extern void *wine_ldt_get_ptr( unsigned short sel, unsigned long offset ); extern unsigned short wine_ldt_alloc_entries( int count ); extern unsigned short wine_ldt_realloc_entries( unsigned short sel, int oldcount, int newcount ); extern void wine_ldt_free_entries( unsigned short sel, int count ); #ifdef __i386__ extern unsigned short wine_ldt_alloc_fs(void); extern void wine_ldt_init_fs( unsigned short sel, const LDT_ENTRY *entry ); extern void wine_ldt_free_fs( unsigned short sel ); #else /* __i386__ */ static inline unsigned short wine_ldt_alloc_fs(void) { return 0x0b; /* pseudo GDT selector */ } static inline void wine_ldt_init_fs( unsigned short sel, const LDT_ENTRY *entry ) { } static inline void wine_ldt_free_fs( unsigned short sel ) { } #endif /* __i386__ */ /* the local copy of the LDT */ #ifdef __CYGWIN__ # ifdef WINE_EXPORT_LDT_COPY # define WINE_LDT_EXTERN __declspec(dllexport) # else # define WINE_LDT_EXTERN __declspec(dllimport) # endif #else # define WINE_LDT_EXTERN extern #endif WINE_LDT_EXTERN struct __wine_ldt_copy { void *base[8192]; /* base address or 0 if entry is free */ unsigned long limit[8192]; /* limit in bytes or 0 if entry is free */ unsigned char flags[8192]; /* flags (defined below) */ } wine_ldt_copy; #define WINE_LDT_FLAGS_DATA 0x13 /* Data segment */ #define WINE_LDT_FLAGS_STACK 0x17 /* Stack segment */ #define WINE_LDT_FLAGS_CODE 0x1b /* Code segment */ #define WINE_LDT_FLAGS_TYPE_MASK 0x1f /* Mask for segment type */ #define WINE_LDT_FLAGS_32BIT 0x40 /* Segment is 32-bit (code or stack) */ #define WINE_LDT_FLAGS_ALLOCATED 0x80 /* Segment is allocated (no longer free) */ /* helper functions to manipulate the LDT_ENTRY structure */ inline static void wine_ldt_set_base( LDT_ENTRY *ent, const void *base ) { ent->BaseLow = (WORD)(unsigned long)base; ent->HighWord.Bits.BaseMid = (BYTE)((unsigned long)base >> 16); ent->HighWord.Bits.BaseHi = (BYTE)((unsigned long)base >> 24); } inline static void wine_ldt_set_limit( LDT_ENTRY *ent, unsigned int limit ) { if ((ent->HighWord.Bits.Granularity = (limit >= 0x100000))) limit >>= 12; ent->LimitLow = (WORD)limit; ent->HighWord.Bits.LimitHi = (limit >> 16); } inline static void *wine_ldt_get_base( const LDT_ENTRY *ent ) { return (void *)(ent->BaseLow | (unsigned long)ent->HighWord.Bits.BaseMid << 16 | (unsigned long)ent->HighWord.Bits.BaseHi << 24); } inline static unsigned int wine_ldt_get_limit( const LDT_ENTRY *ent ) { unsigned int limit = ent->LimitLow | (ent->HighWord.Bits.LimitHi << 16); if (ent->HighWord.Bits.Granularity) limit = (limit << 12) | 0xfff; return limit; } inline static void wine_ldt_set_flags( LDT_ENTRY *ent, unsigned char flags ) { ent->HighWord.Bits.Dpl = 3; ent->HighWord.Bits.Pres = 1; ent->HighWord.Bits.Type = flags; ent->HighWord.Bits.Sys = 0; ent->HighWord.Bits.Reserved_0 = 0; ent->HighWord.Bits.Default_Big = (flags & WINE_LDT_FLAGS_32BIT) != 0; } inline static unsigned char wine_ldt_get_flags( const LDT_ENTRY *ent ) { unsigned char ret = ent->HighWord.Bits.Type; if (ent->HighWord.Bits.Default_Big) ret |= WINE_LDT_FLAGS_32BIT; return ret; } inline static int wine_ldt_is_empty( const LDT_ENTRY *ent ) { const DWORD *dw = (const DWORD *)ent; return (dw[0] | dw[1]) == 0; } /* segment register access */ #ifdef __i386__ # ifdef __GNUC__ # define __DEFINE_GET_SEG(seg) \ extern inline unsigned short wine_get_##seg(void); \ extern inline unsigned short wine_get_##seg(void) \ { unsigned short res; __asm__("movw %%" #seg ",%w0" : "=r"(res)); return res; } # define __DEFINE_SET_SEG(seg) \ extern inline void wine_set_##seg(int val); \ extern inline void wine_set_##seg(int val) { __asm__("movw %w0,%%" #seg : : "r" (val)); } # elif defined(_MSC_VER) # define __DEFINE_GET_SEG(seg) \ extern inline unsigned short wine_get_##seg(void); \ extern inline unsigned short wine_get_##seg(void) \ { unsigned short res; __asm { mov res, seg } return res; } # define __DEFINE_SET_SEG(seg) \ extern inline void wine_set_##seg(unsigned short val); \ extern inline void wine_set_##seg(unsigned short val) { __asm { mov seg, val } } # else /* __GNUC__ || _MSC_VER */ # define __DEFINE_GET_SEG(seg) extern unsigned short wine_get_##seg(void); # define __DEFINE_SET_SEG(seg) extern void wine_set_##seg(unsigned int); # endif /* __GNUC__ || _MSC_VER */ #else /* __i386__ */ # define __DEFINE_GET_SEG(seg) inline static unsigned short wine_get_##seg(void) { return 0; } # define __DEFINE_SET_SEG(seg) inline static void wine_set_##seg(int val) { /* nothing */ } #endif /* __i386__ */ __DEFINE_GET_SEG(cs) __DEFINE_GET_SEG(ds) __DEFINE_GET_SEG(es) __DEFINE_GET_SEG(fs) __DEFINE_GET_SEG(gs) __DEFINE_GET_SEG(ss) __DEFINE_SET_SEG(fs) __DEFINE_SET_SEG(gs) #undef __DEFINE_GET_SEG #undef __DEFINE_SET_SEG #endif /* __WINE_WINE_LIBRARY_H */