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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, 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 get_cpu_context( CONTEXT *context );
  36 extern void set_cpu_context( const CONTEXT *context );
  37
  38 /* debug helper */
  39 extern LPCSTR debugstr_us( const UNICODE_STRING *str );
  40 extern void dump_ObjectAttributes (const OBJECT_ATTRIBUTES *ObjectAttributes);
  41
  42 extern void NTDLL_get_server_abstime( abs_time_t *when, const LARGE_INTEGER *timeout );
  43 extern void NTDLL_from_server_abstime( LARGE_INTEGER *time, const abs_time_t *when );
  44 extern NTSTATUS NTDLL_wait_for_multiple_objects( UINT count, const HANDLE *handles, UINT flags,
  45                                                  const LARGE_INTEGER *timeout, HANDLE signal_object );
  46
  47 /* init routines */
  48 extern BOOL SIGNAL_Init(void);
  49 extern size_t get_signal_stack_total_size(void);
  50 extern void version_init( const WCHAR *appname );
  51 extern void debug_init(void);
  52 extern HANDLE thread_init(void);
  53 extern void virtual_init(void);
  54 extern void virtual_init_threading(void);
  55
  56 /* server support */
  57 extern abs_time_t server_start_time;
  58 extern void server_init_process(void);
  59 extern size_t server_init_thread( int unix_pid, int unix_tid, void *entry_point );
  60 extern void DECLSPEC_NORETURN server_protocol_error( const char *err, ... );
  61 extern void DECLSPEC_NORETURN server_protocol_perror( const char *err );
  62 extern void DECLSPEC_NORETURN server_exit_thread( int status );
  63 extern void DECLSPEC_NORETURN server_abort_thread( int status );
  64 extern int server_remove_fd_from_cache( obj_handle_t handle );
  65 extern int server_get_unix_fd( obj_handle_t handle, unsigned int access, int *unix_fd,
  66                                int *flags, int *needs_close );
  67
  68 /* module handling */
  69 extern NTSTATUS MODULE_DllThreadAttach( LPVOID lpReserved );
  70 extern FARPROC RELAY_GetProcAddress( HMODULE module, const IMAGE_EXPORT_DIRECTORY *exports,
  71                                      DWORD exp_size, FARPROC proc, DWORD ordinal, const WCHAR *user );
  72 extern FARPROC SNOOP_GetProcAddress( HMODULE hmod, const IMAGE_EXPORT_DIRECTORY *exports, DWORD exp_size,
  73                                      FARPROC origfun, DWORD ordinal, const WCHAR *user );
  74 extern void RELAY_SetupDLL( HMODULE hmod );
  75 extern void SNOOP_SetupDLL( HMODULE hmod );
  76 extern UNICODE_STRING system_dir;
  77
  78 /* redefine these to make sure we don't reference kernel symbols */
  79 #define GetProcessHeap()       (NtCurrentTeb()->Peb->ProcessHeap)
  80 #define GetCurrentProcessId()  ((DWORD)NtCurrentTeb()->ClientId.UniqueProcess)
  81 #define GetCurrentThreadId()   ((DWORD)NtCurrentTeb()->ClientId.UniqueThread)
  82
  83 /* Device IO */
  84 extern NTSTATUS CDROM_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 COMM_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 extern NTSTATUS TAPE_DeviceIoControl(HANDLE hDevice,
  99                                      HANDLE hEvent, PIO_APC_ROUTINE UserApcRoutine,
 100                                      PVOID UserApcContext,
 101                                      PIO_STATUS_BLOCK piosb,
 102                                      ULONG IoControlCode,
 103                                      LPVOID lpInBuffer, DWORD nInBufferSize,
 104                                      LPVOID lpOutBuffer, DWORD nOutBufferSize);
 105
 106 /* file I/O */
 107 extern NTSTATUS FILE_GetNtStatus(void);
 108 extern BOOL DIR_is_hidden_file( const UNICODE_STRING *name );
 109 extern NTSTATUS DIR_unmount_device( HANDLE handle );
 110 extern NTSTATUS DIR_get_unix_cwd( char **cwd );
 111
 112 /* virtual memory */
 113 extern NTSTATUS VIRTUAL_HandleFault(LPCVOID addr);
 114 extern BOOL VIRTUAL_HasMapping( LPCVOID addr );
 115 extern void VIRTUAL_UseLargeAddressSpace(void);
 116
 117 extern BOOL is_current_process( HANDLE handle );
 118
 119 /* code pages */
 120 extern int ntdll_umbstowcs(DWORD flags, const char* src, int srclen, WCHAR* dst, int dstlen);
 121 extern int ntdll_wcstoumbs(DWORD flags, const WCHAR* src, int srclen, char* dst, int dstlen,
 122                            const char* defchar, int *used );
 123
 124 /* load order */
 125
 126 enum loadorder
 127 {
 128     LO_INVALID,
 129     LO_DISABLED,
 130     LO_NATIVE,
 131     LO_BUILTIN,
 132     LO_NATIVE_BUILTIN,  /* native then builtin */
 133     LO_BUILTIN_NATIVE,  /* builtin then native */
 134     LO_DEFAULT          /* nothing specified, use default strategy */
 135 };
 136
 137 extern enum loadorder get_load_order( const WCHAR *app_name, const WCHAR *path );
 138
 139 struct debug_info
 140 {
 141     char *str_pos;       /* current position in strings buffer */
 142     char *out_pos;       /* current position in output buffer */
 143     char  strings[1024]; /* buffer for temporary strings */
 144     char  output[1024];  /* current output line */
 145 };
 146
 147 struct ntdll_thread_data
 148 {
 149     struct debug_info *debug_info;    /* info for debugstr functions */
 150     int                request_fd;    /* fd for sending server requests */
 151     int                reply_fd;      /* fd for receiving server replies */
 152     int                wait_fd[2];    /* fd for sleeping server requests */
 153     void              *vm86_ptr;      /* data for vm86 mode */
 154
 155     void              *pad[4];        /* change this if you add fields! */
 156 };
 157
 158 static inline struct ntdll_thread_data *ntdll_get_thread_data(void)
 159 {
 160     return (struct ntdll_thread_data *)NtCurrentTeb()->SystemReserved2;
 161 }
 162
 163 /* thread registers, stored in NtCurrentTeb()->SpareBytes1 */
 164 struct ntdll_thread_regs
 165 {
 166     DWORD              fs;            /* 00 TEB selector */
 167     DWORD              gs;            /* 04 libc selector; update winebuild if you move this! */
 168     DWORD              dr0;           /* 08 debug registers */
 169     DWORD              dr1;           /* 0c */
 170     DWORD              dr2;           /* 10 */
 171     DWORD              dr3;           /* 14 */
 172     DWORD              dr6;           /* 18 */
 173     DWORD              dr7;           /* 1c */
 174     DWORD              spare[2];      /* 20 change this if you add fields! */
 175 };
 176
 177 static inline struct ntdll_thread_regs *ntdll_get_thread_regs(void)
 178 {
 179     return (struct ntdll_thread_regs *)NtCurrentTeb()->SpareBytes1;
 180 }
 181
 182 #endif