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
26 #include "windef.h"
27 #include "winnt.h"
28 #include "winternl.h"
29 #include "wine/server.h"
30
31 #define MAX_NT_PATH_LENGTH 277
32
33 #define MAX_DOS_DRIVES 26
34
35 struct drive_info
36 {
37 dev_t dev;
38 ino_t ino;
39 };
40
41 /* exceptions */
42 extern void wait_suspend( CONTEXT *context );
43 extern void WINAPI __regs_RtlRaiseException( PEXCEPTION_RECORD, PCONTEXT );
44 extern void get_cpu_context( CONTEXT *context );
45 extern void set_cpu_context( const CONTEXT *context );
46
47 /* debug helper */
48 extern LPCSTR debugstr_us( const UNICODE_STRING *str );
49 extern void dump_ObjectAttributes (const OBJECT_ATTRIBUTES *ObjectAttributes);
50
51 extern NTSTATUS NTDLL_queue_process_apc( HANDLE process, const apc_call_t *call, apc_result_t *result );
52 extern NTSTATUS NTDLL_wait_for_multiple_objects( UINT count, const HANDLE *handles, UINT flags,
53 const LARGE_INTEGER *timeout, HANDLE signal_object );
54
55 /* init routines */
56 extern void signal_init_thread(void);
57 extern void signal_init_process(void);
58 extern size_t get_signal_stack_total_size(void);
59 extern void version_init( const WCHAR *appname );
60 extern void debug_init(void);
61 extern HANDLE thread_init(void);
62 extern void actctx_init(void);
63 extern void virtual_init(void);
64 extern void virtual_init_threading(void);
65
66 /* server support */
67 extern timeout_t server_start_time;
68 extern void server_init_process(void);
69 extern NTSTATUS server_init_process_done(void);
70 extern size_t server_init_thread( int unix_pid, int unix_tid, void *entry_point );
71 extern void DECLSPEC_NORETURN server_protocol_error( const char *err, ... );
72 extern void DECLSPEC_NORETURN server_protocol_perror( const char *err );
73 extern void DECLSPEC_NORETURN server_exit_thread( int status );
74 extern void DECLSPEC_NORETURN server_abort_thread( int status );
75 extern sigset_t server_block_set;
76 extern void server_enter_uninterrupted_section( RTL_CRITICAL_SECTION *cs, sigset_t *sigset );
77 extern void server_leave_uninterrupted_section( RTL_CRITICAL_SECTION *cs, sigset_t *sigset );
78 extern int server_remove_fd_from_cache( obj_handle_t handle );
79 extern int server_get_unix_fd( obj_handle_t handle, unsigned int access, int *unix_fd,
80 int *needs_close, enum server_fd_type *type, unsigned int *options );
81
82 /* security descriptors */
83 NTSTATUS NTDLL_create_struct_sd(PSECURITY_DESCRIPTOR nt_sd, struct security_descriptor **server_sd,
84 data_size_t *server_sd_len);
85 void NTDLL_free_struct_sd(struct security_descriptor *server_sd);
86
87 /* module handling */
88 extern NTSTATUS MODULE_DllThreadAttach( LPVOID lpReserved );
89 extern FARPROC RELAY_GetProcAddress( HMODULE module, const IMAGE_EXPORT_DIRECTORY *exports,
90 DWORD exp_size, FARPROC proc, DWORD ordinal, const WCHAR *user );
91 extern FARPROC SNOOP_GetProcAddress( HMODULE hmod, const IMAGE_EXPORT_DIRECTORY *exports, DWORD exp_size,
92 FARPROC origfun, DWORD ordinal, const WCHAR *user );
93 extern void RELAY_SetupDLL( HMODULE hmod );
94 extern void SNOOP_SetupDLL( HMODULE hmod );
95 extern UNICODE_STRING windows_dir;
96 extern UNICODE_STRING system_dir;
97
98 typedef LONG (WINAPI *PUNHANDLED_EXCEPTION_FILTER)(PEXCEPTION_POINTERS);
99 extern PUNHANDLED_EXCEPTION_FILTER unhandled_exception_filter;
100
101 /* redefine these to make sure we don't reference kernel symbols */
102 #define GetProcessHeap() (NtCurrentTeb()->Peb->ProcessHeap)
103 #define GetCurrentProcessId() (HandleToULong(NtCurrentTeb()->ClientId.UniqueProcess))
104 #define GetCurrentThreadId() (HandleToULong(NtCurrentTeb()->ClientId.UniqueThread))
105
106 /* Device IO */
107 extern NTSTATUS CDROM_DeviceIoControl(HANDLE hDevice,
108 HANDLE hEvent, PIO_APC_ROUTINE UserApcRoutine,
109 PVOID UserApcContext,
110 PIO_STATUS_BLOCK piosb,
111 ULONG IoControlCode,
112 LPVOID lpInBuffer, DWORD nInBufferSize,
113 LPVOID lpOutBuffer, DWORD nOutBufferSize);
114 extern NTSTATUS COMM_DeviceIoControl(HANDLE hDevice,
115 HANDLE hEvent, PIO_APC_ROUTINE UserApcRoutine,
116 PVOID UserApcContext,
117 PIO_STATUS_BLOCK piosb,
118 ULONG IoControlCode,
119 LPVOID lpInBuffer, DWORD nInBufferSize,
120 LPVOID lpOutBuffer, DWORD nOutBufferSize);
121 extern NTSTATUS TAPE_DeviceIoControl(HANDLE hDevice,
122 HANDLE hEvent, PIO_APC_ROUTINE UserApcRoutine,
123 PVOID UserApcContext,
124 PIO_STATUS_BLOCK piosb,
125 ULONG IoControlCode,
126 LPVOID lpInBuffer, DWORD nInBufferSize,
127 LPVOID lpOutBuffer, DWORD nOutBufferSize);
128
129 /* file I/O */
130 extern NTSTATUS FILE_GetNtStatus(void);
131 extern BOOL DIR_is_hidden_file( const UNICODE_STRING *name );
132 extern NTSTATUS DIR_unmount_device( HANDLE handle );
133 extern NTSTATUS DIR_get_unix_cwd( char **cwd );
134 extern unsigned int DIR_get_drives_info( struct drive_info info[MAX_DOS_DRIVES] );
135
136 /* virtual memory */
137 extern NTSTATUS virtual_alloc_thread_stack( void *base, SIZE_T stack_size );
138 extern void virtual_clear_thread_stack(void);
139 extern BOOL virtual_handle_stack_fault( void *addr );
140 extern NTSTATUS VIRTUAL_HandleFault(LPCVOID addr);
141 extern void VIRTUAL_SetForceExec( BOOL enable );
142 extern void VIRTUAL_UseLargeAddressSpace(void);
143 extern struct _KUSER_SHARED_DATA *user_shared_data;
144
145 /* code pages */
146 extern int ntdll_umbstowcs(DWORD flags, const char* src, int srclen, WCHAR* dst, int dstlen);
147 extern int ntdll_wcstoumbs(DWORD flags, const WCHAR* src, int srclen, char* dst, int dstlen,
148 const char* defchar, int *used );
149
150 /* load order */
151
152 enum loadorder
153 {
154 LO_INVALID,
155 LO_DISABLED,
156 LO_NATIVE,
157 LO_BUILTIN,
158 LO_NATIVE_BUILTIN, /* native then builtin */
159 LO_BUILTIN_NATIVE, /* builtin then native */
160 LO_DEFAULT /* nothing specified, use default strategy */
161 };
162
163 extern enum loadorder get_load_order( const WCHAR *app_name, const WCHAR *path );
164
165 struct debug_info
166 {
167 char *str_pos; /* current position in strings buffer */
168 char *out_pos; /* current position in output buffer */
169 char strings[1024]; /* buffer for temporary strings */
170 char output[1024]; /* current output line */
171 };
172
173 /* thread private data, stored in NtCurrentTeb()->SystemReserved2 */
174 struct ntdll_thread_data
175 {
176 DWORD fs; /* 1d4 TEB selector */
177 DWORD gs; /* 1d8 libc selector; update winebuild if you move this! */
178 struct debug_info *debug_info; /* 1dc info for debugstr functions */
179 int request_fd; /* 1e0 fd for sending server requests */
180 int reply_fd; /* 1e4 fd for receiving server replies */
181 int wait_fd[2]; /* 1e8 fd for sleeping server requests */
182 void *vm86_ptr; /* 1f0 data for vm86 mode */
183
184 void *pad[2]; /* 1f4 change this if you add fields! */
185 };
186
187 static inline struct ntdll_thread_data *ntdll_get_thread_data(void)
188 {
189 return (struct ntdll_thread_data *)NtCurrentTeb()->SystemReserved2;
190 }
191
192 /* thread debug_registers, stored in NtCurrentTeb()->SpareBytes1 */
193 struct ntdll_thread_regs
194 {
195 DWORD dr0;
196 DWORD dr1;
197 DWORD dr2;
198 DWORD dr3;
199 DWORD dr6;
200 DWORD dr7;
201 };
202
203 static inline struct ntdll_thread_regs *ntdll_get_thread_regs(void)
204 {
205 return (struct ntdll_thread_regs *)NtCurrentTeb()->SpareBytes1;
206 }
207
208 /* Completion */
209 extern NTSTATUS NTDLL_AddCompletion( HANDLE hFile, ULONG_PTR CompletionValue, NTSTATUS CompletionStatus, ULONG_PTR Information );
210
211 #endif
212
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