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
32 #define MAX_NT_PATH_LENGTH 277
33
34 #define MAX_DOS_DRIVES 26
35
36 struct drive_info
37 {
38 dev_t dev;
39 ino_t ino;
40 };
41
42 /* exceptions */
43 extern void wait_suspend( CONTEXT *context );
44 extern NTSTATUS send_debug_event( EXCEPTION_RECORD *rec, int first_chance, CONTEXT *context );
45 extern LONG call_vectored_handlers( EXCEPTION_RECORD *rec, CONTEXT *context );
46 extern void raise_status( NTSTATUS status, EXCEPTION_RECORD *rec ) DECLSPEC_NORETURN;
47 extern void set_cpu_context( const CONTEXT *context );
48 extern void copy_context( CONTEXT *to, const CONTEXT *from, DWORD flags );
49 extern NTSTATUS context_to_server( context_t *to, const CONTEXT *from );
50 extern NTSTATUS context_from_server( CONTEXT *to, const context_t *from );
51 extern void call_thread_entry_point( LPTHREAD_START_ROUTINE entry, void *arg ) DECLSPEC_NORETURN;
52
53 /* debug helpers */
54 extern LPCSTR debugstr_us( const UNICODE_STRING *str );
55 extern LPCSTR debugstr_ObjectAttributes(const OBJECT_ATTRIBUTES *oa);
56
57 extern NTSTATUS NTDLL_queue_process_apc( HANDLE process, const apc_call_t *call, apc_result_t *result );
58 extern NTSTATUS NTDLL_wait_for_multiple_objects( UINT count, const HANDLE *handles, UINT flags,
59 const LARGE_INTEGER *timeout, HANDLE signal_object );
60
61 /* init routines */
62 extern void signal_init_thread( TEB *teb );
63 extern void signal_init_process(void);
64 extern size_t get_signal_stack_total_size(void);
65 extern void version_init( const WCHAR *appname );
66 extern void debug_init(void);
67 extern HANDLE thread_init(void);
68 extern void actctx_init(void);
69 extern void virtual_init(void);
70 extern void virtual_init_threading(void);
71
72 /* server support */
73 extern timeout_t server_start_time;
74 extern unsigned int server_cpus;
75 extern void server_init_process(void);
76 extern NTSTATUS server_init_process_done(void);
77 extern size_t server_init_thread( void *entry_point );
78 extern void DECLSPEC_NORETURN server_protocol_error( const char *err, ... );
79 extern void DECLSPEC_NORETURN server_protocol_perror( const char *err );
80 extern void DECLSPEC_NORETURN abort_thread( int status );
81 extern void DECLSPEC_NORETURN exit_thread( int status );
82 extern sigset_t server_block_set;
83 extern void server_enter_uninterrupted_section( RTL_CRITICAL_SECTION *cs, sigset_t *sigset );
84 extern void server_leave_uninterrupted_section( RTL_CRITICAL_SECTION *cs, sigset_t *sigset );
85 extern int server_remove_fd_from_cache( HANDLE handle );
86 extern int server_get_unix_fd( HANDLE handle, unsigned int access, int *unix_fd,
87 int *needs_close, enum server_fd_type *type, unsigned int *options );
88
89 /* security descriptors */
90 NTSTATUS NTDLL_create_struct_sd(PSECURITY_DESCRIPTOR nt_sd, struct security_descriptor **server_sd,
91 data_size_t *server_sd_len);
92 void NTDLL_free_struct_sd(struct security_descriptor *server_sd);
93
94 /* module handling */
95 extern NTSTATUS MODULE_DllThreadAttach( LPVOID lpReserved );
96 extern FARPROC RELAY_GetProcAddress( HMODULE module, const IMAGE_EXPORT_DIRECTORY *exports,
97 DWORD exp_size, FARPROC proc, DWORD ordinal, const WCHAR *user );
98 extern FARPROC SNOOP_GetProcAddress( HMODULE hmod, const IMAGE_EXPORT_DIRECTORY *exports, DWORD exp_size,
99 FARPROC origfun, DWORD ordinal, const WCHAR *user );
100 extern void RELAY_SetupDLL( HMODULE hmod );
101 extern void SNOOP_SetupDLL( HMODULE hmod );
102 extern UNICODE_STRING windows_dir;
103 extern UNICODE_STRING system_dir;
104
105 typedef LONG (WINAPI *PUNHANDLED_EXCEPTION_FILTER)(PEXCEPTION_POINTERS);
106 extern PUNHANDLED_EXCEPTION_FILTER unhandled_exception_filter;
107
108 /* redefine these to make sure we don't reference kernel symbols */
109 #define GetProcessHeap() (NtCurrentTeb()->Peb->ProcessHeap)
110 #define GetCurrentProcessId() (HandleToULong(NtCurrentTeb()->ClientId.UniqueProcess))
111 #define GetCurrentThreadId() (HandleToULong(NtCurrentTeb()->ClientId.UniqueThread))
112
113 /* Device IO */
114 extern NTSTATUS CDROM_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 COMM_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 extern NTSTATUS TAPE_DeviceIoControl(HANDLE hDevice,
129 HANDLE hEvent, PIO_APC_ROUTINE UserApcRoutine,
130 PVOID UserApcContext,
131 PIO_STATUS_BLOCK piosb,
132 ULONG IoControlCode,
133 LPVOID lpInBuffer, DWORD nInBufferSize,
134 LPVOID lpOutBuffer, DWORD nOutBufferSize);
135
136 /* file I/O */
137 extern NTSTATUS FILE_GetNtStatus(void);
138 extern BOOL DIR_is_hidden_file( const UNICODE_STRING *name );
139 extern NTSTATUS DIR_unmount_device( HANDLE handle );
140 extern NTSTATUS DIR_get_unix_cwd( char **cwd );
141 extern unsigned int DIR_get_drives_info( struct drive_info info[MAX_DOS_DRIVES] );
142
143 /* virtual memory */
144 extern void virtual_get_system_info( SYSTEM_BASIC_INFORMATION *info );
145 extern NTSTATUS virtual_create_system_view( void *base, SIZE_T size, DWORD vprot );
146 extern NTSTATUS virtual_alloc_thread_stack( TEB *teb, SIZE_T reserve_size, SIZE_T commit_size );
147 extern void virtual_clear_thread_stack(void);
148 extern BOOL virtual_handle_stack_fault( void *addr );
149 extern NTSTATUS virtual_handle_fault( LPCVOID addr, DWORD err );
150 extern BOOL virtual_check_buffer_for_read( const void *ptr, SIZE_T size );
151 extern BOOL virtual_check_buffer_for_write( void *ptr, SIZE_T size );
152 extern void VIRTUAL_SetForceExec( BOOL enable );
153 extern void VIRTUAL_UseLargeAddressSpace(void);
154 extern struct _KUSER_SHARED_DATA *user_shared_data;
155
156 /* completion */
157 extern NTSTATUS NTDLL_AddCompletion( HANDLE hFile, ULONG_PTR CompletionValue,
158 NTSTATUS CompletionStatus, ULONG Information );
159
160 /* code pages */
161 extern int ntdll_umbstowcs(DWORD flags, const char* src, int srclen, WCHAR* dst, int dstlen);
162 extern int ntdll_wcstoumbs(DWORD flags, const WCHAR* src, int srclen, char* dst, int dstlen,
163 const char* defchar, int *used );
164
165 extern int CDECL NTDLL__vsnprintf( char *str, SIZE_T len, const char *format, __ms_va_list args );
166 extern int CDECL NTDLL__vsnwprintf( WCHAR *str, SIZE_T len, const WCHAR *format, __ms_va_list args );
167
168 /* load order */
169
170 enum loadorder
171 {
172 LO_INVALID,
173 LO_DISABLED,
174 LO_NATIVE,
175 LO_BUILTIN,
176 LO_NATIVE_BUILTIN, /* native then builtin */
177 LO_BUILTIN_NATIVE, /* builtin then native */
178 LO_DEFAULT /* nothing specified, use default strategy */
179 };
180
181 extern enum loadorder get_load_order( const WCHAR *app_name, const WCHAR *path );
182
183 struct debug_info
184 {
185 char *str_pos; /* current position in strings buffer */
186 char *out_pos; /* current position in output buffer */
187 char strings[1024]; /* buffer for temporary strings */
188 char output[1024]; /* current output line */
189 };
190
191 /* thread private data, stored in NtCurrentTeb()->SystemReserved2 */
192 struct ntdll_thread_data
193 {
194 DWORD fs; /* 1d4/300 TEB selector */
195 DWORD gs; /* 1d8/304 libc selector; update winebuild if you move this! */
196 struct debug_info *debug_info; /* 1dc/308 info for debugstr functions */
197 int request_fd; /* 1e0/310 fd for sending server requests */
198 int reply_fd; /* 1e4/314 fd for receiving server replies */
199 int wait_fd[2]; /* 1e8/318 fd for sleeping server requests */
200 void *vm86_ptr; /* 1f0/320 data for vm86 mode */
201 pthread_t pthread_id; /* 1f4/328 pthread thread id */
202 };
203
204 static inline struct ntdll_thread_data *ntdll_get_thread_data(void)
205 {
206 return (struct ntdll_thread_data *)NtCurrentTeb()->SystemReserved2;
207 }
208
209 /* thread debug_registers, stored in NtCurrentTeb()->SpareBytes1 */
210 struct ntdll_thread_regs
211 {
212 DWORD dr0;
213 DWORD dr1;
214 DWORD dr2;
215 DWORD dr3;
216 DWORD dr6;
217 DWORD dr7;
218 };
219
220 static inline struct ntdll_thread_regs *ntdll_get_thread_regs(void)
221 {
222 return (struct ntdll_thread_regs *)NtCurrentTeb()->SpareBytes1;
223 }
224
225 /* Register functions */
226
227 #ifdef __i386__
228 #define DEFINE_REGS_ENTRYPOINT( name, args ) \
229 __ASM_GLOBAL_FUNC( name, \
230 ".byte 0x68\n\t" /* pushl $__regs_func */ \
231 ".long " __ASM_NAME("__regs_") #name "-.-11\n\t" \
232 ".byte 0x6a," #args "\n\t" /* pushl $args */ \
233 "call " __ASM_NAME("__wine_call_from_32_regs"))
234 #elif defined(__x86_64__)
235 #define DEFINE_REGS_ENTRYPOINT( name, args ) \
236 __ASM_GLOBAL_FUNC( name, \
237 "movq %rcx,8(%rsp)\n\t" \
238 "movq %rdx,16(%rsp)\n\t" \
239 "movq $" #args ",%rcx\n\t" \
240 "leaq " __ASM_NAME("__regs_") #name "(%rip),%rdx\n\t" \
241 "call " __ASM_NAME("__wine_call_from_regs"))
242 #endif
243
244 #endif
245
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