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 <sys/types.h>
  24
  25 #include "windef.h"
  26 #include "winnt.h"
  27 #include "winternl.h"
  28 #include "unixlib.h"
  29 #include "wine/asm.h"
  30
  31 #define DECLARE_CRITICAL_SECTION(cs) \
  32     static RTL_CRITICAL_SECTION cs; \
  33     static RTL_CRITICAL_SECTION_DEBUG cs##_debug = \
  34     { 0, 0, &cs, { &cs##_debug.ProcessLocksList, &cs##_debug.ProcessLocksList }, \
  35       0, 0, { (DWORD_PTR)(__FILE__ ": " # cs) }}; \
  36     static RTL_CRITICAL_SECTION cs = { &cs##_debug, -1, 0, 0, 0, 0 };
  37
  38 #define MAX_NT_PATH_LENGTH 277
  39
  40 #if defined(__i386__) || defined(__x86_64__) || defined(__arm__) || defined(__aarch64__)
  41 static const UINT_PTR page_size = 0x1000;
  42 #else
  43 extern UINT_PTR page_size DECLSPEC_HIDDEN;
  44 #endif
  45
  46 /* exceptions */
  47 extern LONG call_vectored_handlers( EXCEPTION_RECORD *rec, CONTEXT *context ) DECLSPEC_HIDDEN;
  48 extern void DECLSPEC_NORETURN raise_status( NTSTATUS status, EXCEPTION_RECORD *rec ) DECLSPEC_HIDDEN;
  49 extern LONG WINAPI call_unhandled_exception_filter( PEXCEPTION_POINTERS eptr ) DECLSPEC_HIDDEN;
  50
  51 extern void WINAPI LdrInitializeThunk(CONTEXT*,ULONG_PTR,ULONG_PTR,ULONG_PTR) DECLSPEC_HIDDEN;
  52 extern NTSTATUS WINAPI KiUserExceptionDispatcher(EXCEPTION_RECORD*,CONTEXT*) DECLSPEC_HIDDEN;
  53 extern void WINAPI KiUserApcDispatcher(CONTEXT*,ULONG_PTR,ULONG_PTR,ULONG_PTR,PNTAPCFUNC) DECLSPEC_HIDDEN;
  54
  55 #if defined(__x86_64__) || defined(__arm__) || defined(__aarch64__)
  56 extern RUNTIME_FUNCTION *lookup_function_info( ULONG_PTR pc, ULONG_PTR *base, LDR_DATA_TABLE_ENTRY **module ) DECLSPEC_HIDDEN;
  57 #endif
  58
  59 /* debug helpers */
  60 extern LPCSTR debugstr_us( const UNICODE_STRING *str ) DECLSPEC_HIDDEN;
  61 extern const char *debugstr_exception_code( DWORD code ) DECLSPEC_HIDDEN;
  62
  63 /* init routines */
  64 extern void version_init(void) DECLSPEC_HIDDEN;
  65 extern void debug_init(void) DECLSPEC_HIDDEN;
  66 extern void actctx_init(void) DECLSPEC_HIDDEN;
  67 extern void heap_set_debug_flags( HANDLE handle ) DECLSPEC_HIDDEN;
  68 extern void init_user_process_params(void) DECLSPEC_HIDDEN;
  69 extern void CDECL DECLSPEC_NORETURN signal_start_thread( CONTEXT *ctx ) DECLSPEC_HIDDEN;
  70
  71 /* module handling */
  72 extern LIST_ENTRY tls_links DECLSPEC_HIDDEN;
  73 extern FARPROC RELAY_GetProcAddress( HMODULE module, const IMAGE_EXPORT_DIRECTORY *exports,
  74                                      DWORD exp_size, FARPROC proc, DWORD ordinal, const WCHAR *user ) DECLSPEC_HIDDEN;
  75 extern FARPROC SNOOP_GetProcAddress( HMODULE hmod, const IMAGE_EXPORT_DIRECTORY *exports, DWORD exp_size,
  76                                      FARPROC origfun, DWORD ordinal, const WCHAR *user ) DECLSPEC_HIDDEN;
  77 extern void RELAY_SetupDLL( HMODULE hmod ) DECLSPEC_HIDDEN;
  78 extern void SNOOP_SetupDLL( HMODULE hmod ) DECLSPEC_HIDDEN;
  79 extern const WCHAR windows_dir[] DECLSPEC_HIDDEN;
  80 extern const WCHAR system_dir[] DECLSPEC_HIDDEN;
  81 extern HMODULE kernel32_handle DECLSPEC_HIDDEN;
  82
  83 extern void (FASTCALL *pBaseThreadInitThunk)(DWORD,LPTHREAD_START_ROUTINE,void *) DECLSPEC_HIDDEN;
  84 extern const struct unix_funcs *unix_funcs DECLSPEC_HIDDEN;
  85
  86 extern struct _KUSER_SHARED_DATA *user_shared_data DECLSPEC_HIDDEN;
  87
  88 extern int CDECL NTDLL__vsnprintf( char *str, SIZE_T len, const char *format, __ms_va_list args ) DECLSPEC_HIDDEN;
  89 extern int CDECL NTDLL__vsnwprintf( WCHAR *str, SIZE_T len, const WCHAR *format, __ms_va_list args ) DECLSPEC_HIDDEN;
  90
  91 struct dllredirect_data
  92 {
  93     ULONG size;
  94     ULONG flags;
  95     ULONG total_len;
  96     ULONG paths_count;
  97     ULONG paths_offset;
  98     struct { ULONG len; ULONG offset; } paths[1];
  99 };
 100
 101 #define DLL_REDIRECT_PATH_INCLUDES_BASE_NAME                      1
 102 #define DLL_REDIRECT_PATH_OMITS_ASSEMBLY_ROOT                     2
 103 #define DLL_REDIRECT_PATH_EXPAND                                  4
 104 #define DLL_REDIRECT_PATH_SYSTEM_DEFAULT_REDIRECTED_SYSTEM32_DLL  8
 105
 106 #ifdef _WIN64
 107 static inline TEB64 *NtCurrentTeb64(void) { return NULL; }
 108 #else
 109 static inline TEB64 *NtCurrentTeb64(void) { return (TEB64 *)NtCurrentTeb()->GdiBatchCount; }
 110 #endif
 111
 112 #define HASH_STRING_ALGORITHM_DEFAULT  0
 113 #define HASH_STRING_ALGORITHM_X65599   1
 114 #define HASH_STRING_ALGORITHM_INVALID  0xffffffff
 115
 116 NTSTATUS WINAPI RtlHashUnicodeString(PCUNICODE_STRING,BOOLEAN,ULONG,ULONG*);
 117
 118 /* convert from straight ASCII to Unicode without depending on the current codepage */
 119 static inline void ascii_to_unicode( WCHAR *dst, const char *src, size_t len )
 120 {
 121     while (len--) *dst++ = (unsigned char)*src++;
 122 }
 123
 124 /* FLS data */
 125 extern TEB_FLS_DATA *fls_alloc_data(void) DECLSPEC_HIDDEN;
 126
 127 #endif