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Sweden-Number/include/wine/library.h

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/*
* 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 <stdarg.h>
#include <sys/types.h>
#include <windef.h>
#include <winbase.h>
/* 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, char **envp );
/* dll loading */
typedef void (*load_dll_callback_t)( void *, const char * );
extern void *wine_dlopen( const char *filename, int flag, char *error, int errorsize );
extern void *wine_dlsym( void *handle, const char *symbol, char *error, int errorsize );
extern int wine_dlclose( void *handle, char *error, int 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 int __wine_main_argc;
extern char **__wine_main_argv;
extern WCHAR **__wine_main_wargv;
extern char **__wine_main_environ;
/* debugging */
extern const char * (*__wine_dbgstr_an)( const char * s, int n );
extern const char * (*__wine_dbgstr_wn)( const WCHAR *s, int n );
extern const char * (*__wine_dbg_vsprintf)( const char *format, va_list args );
extern int (*__wine_dbg_vprintf)( const char *format, va_list args );
extern int (*__wine_dbg_vlog)( unsigned int cls, const char *channel,
const char *function, const char *format, va_list args );
extern void wine_dbg_add_option( const char *name, unsigned char set, unsigned char clear );
extern int wine_dbg_parse_options( const char *str );
/* portability */
extern void DECLSPEC_NORETURN wine_switch_to_stack( void (*func)(void *), void *arg, void *stack );
extern void *wine_anon_mmap( void *start, size_t size, int prot, int flags );
/* 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 void *wine_ldt_get_ptr( unsigned short sel, unsigned int 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) */
#define WINE_LDT_FIRST_ENTRY 512
/* 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) \
{ unsigned short res; __asm__("movw %%" #seg ",%w0" : "=r"(res)); return res; }
# define __DEFINE_SET_SEG(seg) \
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) \
{ unsigned short res; __asm { mov res, seg } return res; }
# define __DEFINE_SET_SEG(seg) \
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 */
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