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 #include <signal.h>
  24 #include <sys/types.h>
  25 #include <pthread.h>
  26
  27 #include "windef.h"
  28 #include "winnt.h"
  29 #include "winternl.h"
  30 #include "wine/server.h"
  31 #include "wine/asm.h"
  32
  33 #define MAX_NT_PATH_LENGTH 277
  34
  35 #define MAX_DOS_DRIVES 26
  36
  37 #if defined(__i386__) || defined(__x86_64__) || defined(__arm__) || defined(__aarch64__)
  38 static const UINT_PTR page_size = 0x1000;
  39 #else
  40 extern UINT_PTR page_size DECLSPEC_HIDDEN;
  41 #endif
  42
  43 struct drive_info
  44 {
  45     dev_t dev;
  46     ino_t ino;
  47 };
  48
  49 extern NTSTATUS close_handle( HANDLE ) DECLSPEC_HIDDEN;
  50 extern ULONG_PTR get_system_affinity_mask(void) DECLSPEC_HIDDEN;
  51
  52 /* exceptions */
  53 extern void wait_suspend( CONTEXT *context ) DECLSPEC_HIDDEN;
  54 extern NTSTATUS send_debug_event( EXCEPTION_RECORD *rec, int first_chance, CONTEXT *context ) DECLSPEC_HIDDEN;
  55 extern LONG call_vectored_handlers( EXCEPTION_RECORD *rec, CONTEXT *context ) DECLSPEC_HIDDEN;
  56 extern void raise_status( NTSTATUS status, EXCEPTION_RECORD *rec ) DECLSPEC_NORETURN DECLSPEC_HIDDEN;
  57 extern NTSTATUS context_to_server( context_t *to, const CONTEXT *from ) DECLSPEC_HIDDEN;
  58 extern NTSTATUS context_from_server( CONTEXT *to, const context_t *from ) DECLSPEC_HIDDEN;
  59 extern NTSTATUS set_thread_context( HANDLE handle, const context_t *context, BOOL *self ) DECLSPEC_HIDDEN;
  60 extern NTSTATUS get_thread_context( HANDLE handle, context_t *context, unsigned int flags, BOOL *self ) DECLSPEC_HIDDEN;
  61 extern LONG WINAPI call_unhandled_exception_filter( PEXCEPTION_POINTERS eptr ) DECLSPEC_HIDDEN;
  62
  63 #if defined(__x86_64__) || defined(__arm__) || defined(__aarch64__)
  64 extern RUNTIME_FUNCTION *lookup_function_info( ULONG_PTR pc, ULONG_PTR *base, LDR_MODULE **module ) DECLSPEC_HIDDEN;
  65 #endif
  66
  67 /* debug helpers */
  68 extern LPCSTR debugstr_us( const UNICODE_STRING *str ) DECLSPEC_HIDDEN;
  69 extern LPCSTR debugstr_ObjectAttributes(const OBJECT_ATTRIBUTES *oa) DECLSPEC_HIDDEN;
  70
  71 /* init routines */
  72 extern NTSTATUS signal_alloc_thread( TEB **teb ) DECLSPEC_HIDDEN;
  73 extern void signal_free_thread( TEB *teb ) DECLSPEC_HIDDEN;
  74 extern void signal_init_thread( TEB *teb ) DECLSPEC_HIDDEN;
  75 extern void signal_init_process(void) DECLSPEC_HIDDEN;
  76 extern void signal_start_thread( LPTHREAD_START_ROUTINE entry, void *arg, BOOL suspend ) DECLSPEC_HIDDEN;
  77 extern void signal_start_process( LPTHREAD_START_ROUTINE entry, BOOL suspend ) DECLSPEC_HIDDEN;
  78 extern void DECLSPEC_NORETURN signal_exit_thread( int status ) DECLSPEC_HIDDEN;
  79 extern void DECLSPEC_NORETURN signal_exit_process( int status ) DECLSPEC_HIDDEN;
  80 extern void version_init(void) DECLSPEC_HIDDEN;
  81 extern void debug_init(void) DECLSPEC_HIDDEN;
  82 extern TEB *thread_init(void) DECLSPEC_HIDDEN;
  83 extern void actctx_init(void) DECLSPEC_HIDDEN;
  84 extern void virtual_init(void) DECLSPEC_HIDDEN;
  85 extern void virtual_init_threading(void) DECLSPEC_HIDDEN;
  86 extern void fill_cpu_info(void) DECLSPEC_HIDDEN;
  87 extern void heap_set_debug_flags( HANDLE handle ) DECLSPEC_HIDDEN;
  88 extern void init_unix_codepage(void) DECLSPEC_HIDDEN;
  89 extern void init_locale( HMODULE module ) DECLSPEC_HIDDEN;
  90 extern void init_user_process_params( SIZE_T data_size ) DECLSPEC_HIDDEN;
  91 extern char **build_envp( const WCHAR *envW ) DECLSPEC_HIDDEN;
  92 extern NTSTATUS restart_process( RTL_USER_PROCESS_PARAMETERS *params, NTSTATUS status ) DECLSPEC_HIDDEN;
  93
  94 /* server support */
  95 extern timeout_t server_start_time DECLSPEC_HIDDEN;
  96 extern unsigned int server_cpus DECLSPEC_HIDDEN;
  97 extern BOOL is_wow64 DECLSPEC_HIDDEN;
  98 extern void server_init_process(void) DECLSPEC_HIDDEN;
  99 extern void server_init_process_done(void) DECLSPEC_HIDDEN;
 100 extern size_t server_init_thread( void *entry_point, BOOL *suspend ) DECLSPEC_HIDDEN;
 101 extern void DECLSPEC_NORETURN abort_thread( int status ) DECLSPEC_HIDDEN;
 102 extern void DECLSPEC_NORETURN exit_thread( int status ) DECLSPEC_HIDDEN;
 103 extern sigset_t server_block_set DECLSPEC_HIDDEN;
 104 extern unsigned int server_call_unlocked( void *req_ptr ) DECLSPEC_HIDDEN;
 105 extern void server_enter_uninterrupted_section( RTL_CRITICAL_SECTION *cs, sigset_t *sigset ) DECLSPEC_HIDDEN;
 106 extern void server_leave_uninterrupted_section( RTL_CRITICAL_SECTION *cs, sigset_t *sigset ) DECLSPEC_HIDDEN;
 107 extern unsigned int server_select( const select_op_t *select_op, data_size_t size,
 108                                    UINT flags, const LARGE_INTEGER *timeout ) DECLSPEC_HIDDEN;
 109 extern unsigned int server_queue_process_apc( HANDLE process, const apc_call_t *call, apc_result_t *result ) DECLSPEC_HIDDEN;
 110 extern int server_remove_fd_from_cache( HANDLE handle ) DECLSPEC_HIDDEN;
 111 extern int server_get_unix_fd( HANDLE handle, unsigned int access, int *unix_fd,
 112                                int *needs_close, enum server_fd_type *type, unsigned int *options ) DECLSPEC_HIDDEN;
 113 extern int server_pipe( int fd[2] ) DECLSPEC_HIDDEN;
 114 extern NTSTATUS alloc_object_attributes( const OBJECT_ATTRIBUTES *attr, struct object_attributes **ret,
 115                                          data_size_t *ret_len ) DECLSPEC_HIDDEN;
 116 extern NTSTATUS validate_open_object_attributes( const OBJECT_ATTRIBUTES *attr ) DECLSPEC_HIDDEN;
 117 extern int wait_select_reply( void *cookie ) DECLSPEC_HIDDEN;
 118 extern BOOL invoke_apc( const apc_call_t *call, apc_result_t *result ) DECLSPEC_HIDDEN;
 119
 120 /* module handling */
 121 extern LIST_ENTRY tls_links DECLSPEC_HIDDEN;
 122 extern FARPROC RELAY_GetProcAddress( HMODULE module, const IMAGE_EXPORT_DIRECTORY *exports,
 123                                      DWORD exp_size, FARPROC proc, DWORD ordinal, const WCHAR *user ) DECLSPEC_HIDDEN;
 124 extern FARPROC SNOOP_GetProcAddress( HMODULE hmod, const IMAGE_EXPORT_DIRECTORY *exports, DWORD exp_size,
 125                                      FARPROC origfun, DWORD ordinal, const WCHAR *user ) DECLSPEC_HIDDEN;
 126 extern void RELAY_SetupDLL( HMODULE hmod ) DECLSPEC_HIDDEN;
 127 extern void SNOOP_SetupDLL( HMODULE hmod ) DECLSPEC_HIDDEN;
 128 extern const WCHAR system_dir[] DECLSPEC_HIDDEN;
 129 extern const WCHAR syswow64_dir[] DECLSPEC_HIDDEN;
 130
 131 extern void (WINAPI *kernel32_start_process)(LPTHREAD_START_ROUTINE,void*) DECLSPEC_HIDDEN;
 132
 133 /* Device IO */
 134 extern NTSTATUS CDROM_DeviceIoControl(HANDLE hDevice,
 135                                       HANDLE hEvent, PIO_APC_ROUTINE UserApcRoutine,
 136                                       PVOID UserApcContext,
 137                                       PIO_STATUS_BLOCK piosb,
 138                                       ULONG IoControlCode,
 139                                       LPVOID lpInBuffer, DWORD nInBufferSize,
 140                                       LPVOID lpOutBuffer, DWORD nOutBufferSize) DECLSPEC_HIDDEN;
 141 extern NTSTATUS COMM_DeviceIoControl(HANDLE hDevice,
 142                                      HANDLE hEvent, PIO_APC_ROUTINE UserApcRoutine,
 143                                      PVOID UserApcContext,
 144                                      PIO_STATUS_BLOCK piosb,
 145                                      ULONG IoControlCode,
 146                                      LPVOID lpInBuffer, DWORD nInBufferSize,
 147                                      LPVOID lpOutBuffer, DWORD nOutBufferSize) DECLSPEC_HIDDEN;
 148 extern NTSTATUS TAPE_DeviceIoControl(HANDLE hDevice,
 149                                      HANDLE hEvent, PIO_APC_ROUTINE UserApcRoutine,
 150                                      PVOID UserApcContext,
 151                                      PIO_STATUS_BLOCK piosb,
 152                                      ULONG IoControlCode,
 153                                      LPVOID lpInBuffer, DWORD nInBufferSize,
 154                                      LPVOID lpOutBuffer, DWORD nOutBufferSize) DECLSPEC_HIDDEN;
 155 extern NTSTATUS COMM_FlushBuffersFile( int fd ) DECLSPEC_HIDDEN;
 156
 157 /* file I/O */
 158 struct stat;
 159 extern NTSTATUS FILE_GetNtStatus(void) DECLSPEC_HIDDEN;
 160 extern int get_file_info( const char *path, struct stat *st, ULONG *attr ) DECLSPEC_HIDDEN;
 161 extern NTSTATUS fill_file_info( const struct stat *st, ULONG attr, void *ptr,
 162                                 FILE_INFORMATION_CLASS class ) DECLSPEC_HIDDEN;
 163 extern NTSTATUS server_get_unix_name( HANDLE handle, ANSI_STRING *unix_name ) DECLSPEC_HIDDEN;
 164 extern void init_directories(void) DECLSPEC_HIDDEN;
 165 extern BOOL DIR_is_hidden_file( const UNICODE_STRING *name ) DECLSPEC_HIDDEN;
 166 extern NTSTATUS DIR_unmount_device( HANDLE handle ) DECLSPEC_HIDDEN;
 167 extern NTSTATUS DIR_get_unix_cwd( char **cwd ) DECLSPEC_HIDDEN;
 168 extern unsigned int DIR_get_drives_info( struct drive_info info[MAX_DOS_DRIVES] ) DECLSPEC_HIDDEN;
 169 extern NTSTATUS file_id_to_unix_file_name( const OBJECT_ATTRIBUTES *attr, ANSI_STRING *unix_name_ret ) DECLSPEC_HIDDEN;
 170 extern NTSTATUS nt_to_unix_file_name_attr( const OBJECT_ATTRIBUTES *attr, ANSI_STRING *unix_name_ret,
 171                                            UINT disposition ) DECLSPEC_HIDDEN;
 172
 173 /* virtual memory */
 174 extern NTSTATUS virtual_alloc_aligned( PVOID *ret, unsigned short zero_bits_64, SIZE_T *size_ptr,
 175                                        ULONG type, ULONG protect, ULONG alignment ) DECLSPEC_HIDDEN;
 176 extern NTSTATUS virtual_map_section( HANDLE handle, PVOID *addr_ptr, unsigned short zero_bits_64, SIZE_T commit_size,
 177                                      const LARGE_INTEGER *offset_ptr, SIZE_T *size_ptr, ULONG alloc_type,
 178                                      ULONG protect, pe_image_info_t *image_info ) DECLSPEC_HIDDEN;
 179 extern void virtual_get_system_info( SYSTEM_BASIC_INFORMATION *info ) DECLSPEC_HIDDEN;
 180 extern NTSTATUS virtual_create_builtin_view( void *base ) DECLSPEC_HIDDEN;
 181 extern NTSTATUS virtual_alloc_thread_stack( INITIAL_TEB *stack, SIZE_T reserve_size,
 182                                             SIZE_T commit_size, SIZE_T *pthread_size ) DECLSPEC_HIDDEN;
 183 extern void virtual_clear_thread_stack( void *stack_end ) DECLSPEC_HIDDEN;
 184 extern int virtual_handle_stack_fault( void *addr ) DECLSPEC_HIDDEN;
 185 extern BOOL virtual_is_valid_code_address( const void *addr, SIZE_T size ) DECLSPEC_HIDDEN;
 186 extern NTSTATUS virtual_handle_fault( LPCVOID addr, DWORD err, BOOL on_signal_stack ) DECLSPEC_HIDDEN;
 187 extern unsigned int virtual_locked_server_call( void *req_ptr ) DECLSPEC_HIDDEN;
 188 extern ssize_t virtual_locked_read( int fd, void *addr, size_t size ) DECLSPEC_HIDDEN;
 189 extern ssize_t virtual_locked_pread( int fd, void *addr, size_t size, off_t offset ) DECLSPEC_HIDDEN;
 190 extern BOOL virtual_check_buffer_for_read( const void *ptr, SIZE_T size ) DECLSPEC_HIDDEN;
 191 extern BOOL virtual_check_buffer_for_write( void *ptr, SIZE_T size ) DECLSPEC_HIDDEN;
 192 extern SIZE_T virtual_uninterrupted_read_memory( const void *addr, void *buffer, SIZE_T size ) DECLSPEC_HIDDEN;
 193 extern NTSTATUS virtual_uninterrupted_write_memory( void *addr, const void *buffer, SIZE_T size ) DECLSPEC_HIDDEN;
 194 extern void VIRTUAL_SetForceExec( BOOL enable ) DECLSPEC_HIDDEN;
 195 extern void virtual_release_address_space(void) DECLSPEC_HIDDEN;
 196 extern void virtual_set_large_address_space(void) DECLSPEC_HIDDEN;
 197 extern void virtual_fill_image_information( const pe_image_info_t *pe_info,
 198                                             SECTION_IMAGE_INFORMATION *info ) DECLSPEC_HIDDEN;
 199 extern struct _KUSER_SHARED_DATA *user_shared_data DECLSPEC_HIDDEN;
 200
 201 /* completion */
 202 extern NTSTATUS NTDLL_AddCompletion( HANDLE hFile, ULONG_PTR CompletionValue,
 203                                      NTSTATUS CompletionStatus, ULONG Information, BOOL async) DECLSPEC_HIDDEN;
 204
 205 /* locale */
 206 extern LCID user_lcid, system_lcid;
 207 extern int ntdll_umbstowcs(DWORD flags, const char* src, int srclen, WCHAR* dst, int dstlen) DECLSPEC_HIDDEN;
 208 extern int ntdll_wcstoumbs(DWORD flags, const WCHAR* src, int srclen, char* dst, int dstlen,
 209                            const char* defchar, int *used ) DECLSPEC_HIDDEN;
 210
 211 extern int CDECL NTDLL__vsnprintf( char *str, SIZE_T len, const char *format, __ms_va_list args ) DECLSPEC_HIDDEN;
 212 extern int CDECL NTDLL__vsnwprintf( WCHAR *str, SIZE_T len, const WCHAR *format, __ms_va_list args ) DECLSPEC_HIDDEN;
 213
 214 /* load order */
 215
 216 enum loadorder
 217 {
 218     LO_INVALID,
 219     LO_DISABLED,
 220     LO_NATIVE,
 221     LO_BUILTIN,
 222     LO_NATIVE_BUILTIN,  /* native then builtin */
 223     LO_BUILTIN_NATIVE,  /* builtin then native */
 224     LO_DEFAULT          /* nothing specified, use default strategy */
 225 };
 226
 227 extern enum loadorder get_load_order( const WCHAR *app_name, const UNICODE_STRING *nt_name ) DECLSPEC_HIDDEN;
 228
 229 struct debug_info
 230 {
 231     unsigned int str_pos;       /* current position in strings buffer */
 232     unsigned int out_pos;       /* current position in output buffer */
 233     char         strings[1024]; /* buffer for temporary strings */
 234     char         output[1024];  /* current output line */
 235 };
 236
 237 /* thread private data, stored in NtCurrentTeb()->GdiTebBatch */
 238 struct ntdll_thread_data
 239 {
 240     struct debug_info *debug_info;    /* info for debugstr functions */
 241     void              *start_stack;   /* stack for thread startup */
 242     int                request_fd;    /* fd for sending server requests */
 243     int                reply_fd;      /* fd for receiving server replies */
 244     int                wait_fd[2];    /* fd for sleeping server requests */
 245     BOOL               wow64_redir;   /* Wow64 filesystem redirection flag */
 246     pthread_t          pthread_id;    /* pthread thread id */
 247 };
 248
 249 C_ASSERT( sizeof(struct ntdll_thread_data) <= sizeof(((TEB *)0)->GdiTebBatch) );
 250
 251 static inline struct ntdll_thread_data *ntdll_get_thread_data(void)
 252 {
 253     return (struct ntdll_thread_data *)&NtCurrentTeb()->GdiTebBatch;
 254 }
 255
 256 static inline int get_unix_exit_code( NTSTATUS status )
 257 {
 258     /* prevent a nonzero exit code to end up truncated to zero in unix */
 259     if (status && !(status & 0xff)) return 1;
 260     return status;
 261 }
 262
 263 extern mode_t FILE_umask DECLSPEC_HIDDEN;
 264 extern HANDLE keyed_event DECLSPEC_HIDDEN;
 265 extern SYSTEM_CPU_INFORMATION cpu_info DECLSPEC_HIDDEN;
 266
 267 #define HASH_STRING_ALGORITHM_DEFAULT  0
 268 #define HASH_STRING_ALGORITHM_X65599   1
 269 #define HASH_STRING_ALGORITHM_INVALID  0xffffffff
 270
 271 NTSTATUS WINAPI RtlHashUnicodeString(PCUNICODE_STRING,BOOLEAN,ULONG,ULONG*);
 272 void     WINAPI LdrInitializeThunk(CONTEXT*,void**,ULONG_PTR,ULONG_PTR);
 273
 274 /* string functions */
 275 int __cdecl NTDLL_tolower( int c );
 276 int __cdecl _stricmp( LPCSTR str1, LPCSTR str2 );
 277 #endif