| /* |
| * Definitions for the Wine library |
| * |
| * Copyright 2000 Alexandre Julliard |
| */ |
| |
| #ifndef __WINE_WINE_LIBRARY_H |
| #define __WINE_WINE_LIBRARY_H |
| |
| #include <sys/types.h> |
| #include "winbase.h" |
| |
| /* dll loading */ |
| |
| typedef void (*load_dll_callback_t)( void *, const char * ); |
| |
| extern void wine_dll_set_callback( load_dll_callback_t load ); |
| extern void *wine_dll_load( const char *filename, char *error, int errorsize ); |
| extern void *wine_dll_load_main_exe( const char *name, int search_path, |
| char *error, int errorsize ); |
| extern void wine_dll_unload( void *handle ); |
| |
| /* debugging */ |
| |
| extern void wine_dbg_add_option( const char *name, unsigned char set, unsigned char clear ); |
| |
| /* portability */ |
| |
| extern void *wine_anon_mmap( void *start, size_t size, int prot, int flags ); |
| |
| /* errno support */ |
| extern int* (*wine_errno_location)(void); |
| extern int* (*wine_h_errno_location)(void); |
| |
| /* LDT management */ |
| |
| 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 ); |
| |
| /* the local copy of the 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; |
| } |
| |
| #endif /* __WINE_WINE_LIBRARY_H */ |