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 <stdlib.h>
  24 #include <sys/types.h>
  25
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "winnt.h"
  29 #include "winternl.h"
  30 #include "unixlib.h"
  31 #include "wine/asm.h"
  32
  33 #define DECLARE_CRITICAL_SECTION(cs) \
  34     static RTL_CRITICAL_SECTION cs; \
  35     static RTL_CRITICAL_SECTION_DEBUG cs##_debug = \
  36     { 0, 0, &cs, { &cs##_debug.ProcessLocksList, &cs##_debug.ProcessLocksList }, \
  37       0, 0, { (DWORD_PTR)(__FILE__ ": " # cs) }}; \
  38     static RTL_CRITICAL_SECTION cs = { &cs##_debug, -1, 0, 0, 0, 0 };
  39
  40 #define MAX_NT_PATH_LENGTH 277
  41
  42 #define NTDLL_TLS_ERRNO 16  /* TLS slot for _errno() */
  43
  44 #if defined(__i386__) || defined(__x86_64__) || defined(__arm__) || defined(__aarch64__)
  45 static const UINT_PTR page_size = 0x1000;
  46 #else
  47 extern UINT_PTR page_size DECLSPEC_HIDDEN;
  48 #endif
  49
  50 /* exceptions */
  51 extern LONG call_vectored_handlers( EXCEPTION_RECORD *rec, CONTEXT *context ) DECLSPEC_HIDDEN;
  52 extern void DECLSPEC_NORETURN raise_status( NTSTATUS status, EXCEPTION_RECORD *rec ) DECLSPEC_HIDDEN;
  53 extern LONG WINAPI call_unhandled_exception_filter( PEXCEPTION_POINTERS eptr ) DECLSPEC_HIDDEN;
  54
  55 extern void WINAPI LdrInitializeThunk(CONTEXT*,ULONG_PTR,ULONG_PTR,ULONG_PTR) DECLSPEC_HIDDEN;
  56 extern NTSTATUS WINAPI KiUserExceptionDispatcher(EXCEPTION_RECORD*,CONTEXT*) DECLSPEC_HIDDEN;
  57 extern void WINAPI KiUserApcDispatcher(CONTEXT*,ULONG_PTR,ULONG_PTR,ULONG_PTR,PNTAPCFUNC) DECLSPEC_HIDDEN;
  58 extern void WINAPI KiUserCallbackDispatcher(ULONG,void*,ULONG) DECLSPEC_HIDDEN;
  59 extern void (WINAPI *pWow64PrepareForException)( EXCEPTION_RECORD *rec, CONTEXT *context ) DECLSPEC_HIDDEN;
  60
  61 #if defined(__x86_64__) || defined(__arm__) || defined(__aarch64__)
  62 extern RUNTIME_FUNCTION *lookup_function_info( ULONG_PTR pc, ULONG_PTR *base, LDR_DATA_TABLE_ENTRY **module ) DECLSPEC_HIDDEN;
  63 #endif
  64
  65 /* debug helpers */
  66 extern LPCSTR debugstr_us( const UNICODE_STRING *str ) DECLSPEC_HIDDEN;
  67 extern const char *debugstr_exception_code( DWORD code ) DECLSPEC_HIDDEN;
  68 extern void set_native_thread_name( DWORD tid, const char *name ) DECLSPEC_HIDDEN;
  69
  70 /* init routines */
  71 extern void version_init(void) DECLSPEC_HIDDEN;
  72 extern void debug_init(void) DECLSPEC_HIDDEN;
  73 extern void actctx_init(void) DECLSPEC_HIDDEN;
  74 extern void locale_init(void) DECLSPEC_HIDDEN;
  75 extern void init_user_process_params(void) DECLSPEC_HIDDEN;
  76 extern void CDECL DECLSPEC_NORETURN signal_start_thread( CONTEXT *ctx ) DECLSPEC_HIDDEN;
  77 extern void get_resource_lcids( LANGID *user, LANGID *user_neutral, LANGID *system ) DECLSPEC_HIDDEN;
  78
  79 /* module handling */
  80 extern LIST_ENTRY tls_links DECLSPEC_HIDDEN;
  81 extern FARPROC RELAY_GetProcAddress( HMODULE module, const IMAGE_EXPORT_DIRECTORY *exports,
  82                                      DWORD exp_size, FARPROC proc, DWORD ordinal, const WCHAR *user ) DECLSPEC_HIDDEN;
  83 extern FARPROC SNOOP_GetProcAddress( HMODULE hmod, const IMAGE_EXPORT_DIRECTORY *exports, DWORD exp_size,
  84                                      FARPROC origfun, DWORD ordinal, const WCHAR *user ) DECLSPEC_HIDDEN;
  85 extern void RELAY_SetupDLL( HMODULE hmod ) DECLSPEC_HIDDEN;
  86 extern void SNOOP_SetupDLL( HMODULE hmod ) DECLSPEC_HIDDEN;
  87 extern const WCHAR windows_dir[] DECLSPEC_HIDDEN;
  88 extern const WCHAR system_dir[] DECLSPEC_HIDDEN;
  89
  90 extern void (FASTCALL *pBaseThreadInitThunk)(DWORD,LPTHREAD_START_ROUTINE,void *) DECLSPEC_HIDDEN;
  91
  92 extern struct _KUSER_SHARED_DATA *user_shared_data DECLSPEC_HIDDEN;
  93
  94 extern int CDECL NTDLL__vsnprintf( char *str, SIZE_T len, const char *format, va_list args ) DECLSPEC_HIDDEN;
  95 extern int CDECL NTDLL__vsnwprintf( WCHAR *str, SIZE_T len, const WCHAR *format, va_list args ) DECLSPEC_HIDDEN;
  96
  97 struct dllredirect_data
  98 {
  99     ULONG size;
 100     ULONG flags;
 101     ULONG total_len;
 102     ULONG paths_count;
 103     ULONG paths_offset;
 104     struct { ULONG len; ULONG offset; } paths[1];
 105 };
 106
 107 #define DLL_REDIRECT_PATH_INCLUDES_BASE_NAME                      1
 108 #define DLL_REDIRECT_PATH_OMITS_ASSEMBLY_ROOT                     2
 109 #define DLL_REDIRECT_PATH_EXPAND                                  4
 110 #define DLL_REDIRECT_PATH_SYSTEM_DEFAULT_REDIRECTED_SYSTEM32_DLL  8
 111
 112 #ifdef _WIN64
 113 static inline TEB64 *NtCurrentTeb64(void) { return NULL; }
 114 #else
 115 static inline TEB64 *NtCurrentTeb64(void) { return (TEB64 *)NtCurrentTeb()->GdiBatchCount; }
 116 #endif
 117
 118 #define HASH_STRING_ALGORITHM_DEFAULT  0
 119 #define HASH_STRING_ALGORITHM_X65599   1
 120 #define HASH_STRING_ALGORITHM_INVALID  0xffffffff
 121
 122 NTSTATUS WINAPI RtlHashUnicodeString(PCUNICODE_STRING,BOOLEAN,ULONG,ULONG*);
 123
 124 /* convert from straight ASCII to Unicode without depending on the current codepage */
 125 static inline void ascii_to_unicode( WCHAR *dst, const char *src, size_t len )
 126 {
 127     while (len--) *dst++ = (unsigned char)*src++;
 128 }
 129
 130 /* FLS data */
 131 extern TEB_FLS_DATA *fls_alloc_data(void) DECLSPEC_HIDDEN;
 132 extern void heap_thread_detach(void) DECLSPEC_HIDDEN;
 133
 134 #endif