dlls/ntdll/ntdll_misc.h

   1 /*
   2  * Copyright 2000 Juergen Schmied
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  17  */
  18
  19 #ifndef __WINE_NTDLL_MISC_H
  20 #define __WINE_NTDLL_MISC_H
  21
  22 #include <stdarg.h>
  23
  24 #include "windef.h"
  25 #include "winnt.h"
  26 #include "winternl.h"
  27 #include "winioctl.h"
  28 #include "wine/server.h"
  29
  30 #define MAX_NT_PATH_LENGTH 277
  31
  32 /* exceptions */
  33 extern void wait_suspend( CONTEXT *context );
  34 extern void WINAPI __regs_RtlRaiseException( PEXCEPTION_RECORD, PCONTEXT );
  35 extern void set_cpu_context( const CONTEXT *context );
  36
  37 /* debug helper */
  38 extern LPCSTR debugstr_us( const UNICODE_STRING *str );
  39 extern void dump_ObjectAttributes (const OBJECT_ATTRIBUTES *ObjectAttributes);
  40
  41 extern void NTDLL_get_server_timeout( abs_time_t *when, const LARGE_INTEGER *timeout );
  42 extern void NTDLL_from_server_timeout( LARGE_INTEGER *timeout, const abs_time_t *when );
  43 extern NTSTATUS NTDLL_wait_for_multiple_objects( UINT count, const HANDLE *handles, UINT flags,
  44                                                  const LARGE_INTEGER *timeout, HANDLE signal_object );
  45
  46 /* init routines */
  47 extern BOOL SIGNAL_Init(void);
  48 extern size_t get_signal_stack_total_size(void);
  49 extern void version_init( const WCHAR *appname );
  50 extern void debug_init(void);
  51 extern HANDLE thread_init(void);
  52
  53 /* server support */
  54 extern time_t server_start_time;
  55 extern void server_init_process(void);
  56 extern size_t server_init_thread( int unix_pid, int unix_tid, void *entry_point );
  57 extern void DECLSPEC_NORETURN server_protocol_error( const char *err, ... );
  58 extern void DECLSPEC_NORETURN server_protocol_perror( const char *err );
  59 extern void DECLSPEC_NORETURN server_exit_thread( int status );
  60 extern void DECLSPEC_NORETURN server_abort_thread( int status );
  61
  62 /* module handling */
  63 extern FARPROC RELAY_GetProcAddress( HMODULE module, const IMAGE_EXPORT_DIRECTORY *exports,
  64                                      DWORD exp_size, FARPROC proc, DWORD ordinal, const WCHAR *user );
  65 extern FARPROC SNOOP_GetProcAddress( HMODULE hmod, const IMAGE_EXPORT_DIRECTORY *exports, DWORD exp_size,
  66                                      FARPROC origfun, DWORD ordinal, const WCHAR *user );
  67 extern void RELAY_SetupDLL( HMODULE hmod );
  68 extern void SNOOP_SetupDLL( HMODULE hmod );
  69 extern UNICODE_STRING system_dir;
  70
  71 /* redefine these to make sure we don't reference kernel symbols */
  72 #define GetProcessHeap()       (NtCurrentTeb()->Peb->ProcessHeap)
  73 #define GetCurrentProcessId()  ((DWORD)NtCurrentTeb()->ClientId.UniqueProcess)
  74 #define GetCurrentThreadId()   ((DWORD)NtCurrentTeb()->ClientId.UniqueThread)
  75
  76 /* Device IO */
  77 extern NTSTATUS CDROM_DeviceIoControl(HANDLE hDevice,
  78                                       HANDLE hEvent, PIO_APC_ROUTINE UserApcRoutine,
  79                                       PVOID UserApcContext,
  80                                       PIO_STATUS_BLOCK piosb,
  81                                       ULONG IoControlCode,
  82                                       LPVOID lpInBuffer, DWORD nInBufferSize,
  83                                       LPVOID lpOutBuffer, DWORD nOutBufferSize);
  84 extern NTSTATUS COMM_DeviceIoControl(HANDLE hDevice,
  85                                      HANDLE hEvent, PIO_APC_ROUTINE UserApcRoutine,
  86                                      PVOID UserApcContext,
  87                                      PIO_STATUS_BLOCK piosb,
  88                                      ULONG IoControlCode,
  89                                      LPVOID lpInBuffer, DWORD nInBufferSize,
  90                                      LPVOID lpOutBuffer, DWORD nOutBufferSize);
  91 extern NTSTATUS TAPE_DeviceIoControl(HANDLE hDevice,
  92                                      HANDLE hEvent, PIO_APC_ROUTINE UserApcRoutine,
  93                                      PVOID UserApcContext,
  94                                      PIO_STATUS_BLOCK piosb,
  95                                      ULONG IoControlCode,
  96                                      LPVOID lpInBuffer, DWORD nInBufferSize,
  97                                      LPVOID lpOutBuffer, DWORD nOutBufferSize);
  98
  99 /* file I/O */
 100 extern NTSTATUS FILE_GetNtStatus(void);
 101 extern NTSTATUS FILE_GetDeviceInfo( int fd, FILE_FS_DEVICE_INFORMATION *info );
 102 extern BOOL DIR_is_hidden_file( const UNICODE_STRING *name );
 103 extern NTSTATUS DIR_unmount_device( HANDLE handle );
 104 extern NTSTATUS DIR_get_unix_cwd( char **cwd );
 105
 106 /* virtual memory */
 107 extern NTSTATUS VIRTUAL_alloc_teb( void **ret, size_t size, BOOL first );
 108 extern NTSTATUS VIRTUAL_HandleFault(LPCVOID addr);
 109 extern BOOL VIRTUAL_HasMapping( LPCVOID addr );
 110 extern void VIRTUAL_UseLargeAddressSpace(void);
 111
 112 extern BOOL is_current_process( HANDLE handle );
 113
 114 /* code pages */
 115 extern int ntdll_umbstowcs(DWORD flags, const char* src, int srclen, WCHAR* dst, int dstlen);
 116 extern int ntdll_wcstoumbs(DWORD flags, const WCHAR* src, int srclen, char* dst, int dstlen,
 117                            const char* defchar, int *used );
 118
 119 /* load order */
 120
 121 enum loadorder
 122 {
 123     LO_INVALID,
 124     LO_DISABLED,
 125     LO_NATIVE,
 126     LO_BUILTIN,
 127     LO_NATIVE_BUILTIN,  /* native then builtin */
 128     LO_BUILTIN_NATIVE,  /* builtin then native */
 129     LO_DEFAULT          /* nothing specified, use default strategy */
 130 };
 131
 132 extern enum loadorder get_load_order( const WCHAR *app_name, const WCHAR *path );
 133
 134 struct debug_info
 135 {
 136     char *str_pos;       /* current position in strings buffer */
 137     char *out_pos;       /* current position in output buffer */
 138     char  strings[1024]; /* buffer for temporary strings */
 139     char  output[1024];  /* current output line */
 140 };
 141
 142 struct ntdll_thread_data
 143 {
 144     struct debug_info *debug_info;    /* info for debugstr functions */
 145     int                request_fd;    /* fd for sending server requests */
 146     int                reply_fd;      /* fd for receiving server replies */
 147     int                wait_fd[2];    /* fd for sleeping server requests */
 148     void              *vm86_ptr;      /* data for vm86 mode */
 149
 150     void              *pad[4];        /* change this if you add fields! */
 151 };
 152
 153 static inline struct ntdll_thread_data *ntdll_get_thread_data(void)
 154 {
 155     return (struct ntdll_thread_data *)NtCurrentTeb()->SystemReserved2;
 156 }
 157
 158 /* thread registers, stored in NtCurrentTeb()->SpareBytes1 */
 159 struct ntdll_thread_regs
 160 {
 161     DWORD              fs;            /* 00 TEB selector */
 162     DWORD              gs;            /* 04 libc selector; update winebuild if you move this! */
 163     DWORD              dr0;           /* 08 debug registers */
 164     DWORD              dr1;           /* 0c */
 165     DWORD              dr2;           /* 10 */
 166     DWORD              dr3;           /* 14 */
 167     DWORD              dr6;           /* 18 */
 168     DWORD              dr7;           /* 1c */
 169     DWORD              spare[2];      /* 20 change this if you add fields! */
 170 };
 171
 172 static inline struct ntdll_thread_regs *ntdll_get_thread_regs(void)
 173 {
 174     return (struct ntdll_thread_regs *)NtCurrentTeb()->SpareBytes1;
 175 }
 176
 177 #endif