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 #ifdef HAVE_PTHREAD_H
26 # include <pthread.h>
27 #endif
28
29 #include "windef.h"
30 #include "winnt.h"
31 #include "winternl.h"
32 #include "wine/server.h"
33
34 #define MAX_NT_PATH_LENGTH 277
35
36 #define MAX_DOS_DRIVES 26
37
38 struct drive_info
39 {
40 dev_t dev;
41 ino_t ino;
42 };
43
44 /* exceptions */
45 extern void wait_suspend( CONTEXT *context );
46 extern void WINAPI __regs_RtlRaiseException( PEXCEPTION_RECORD, PCONTEXT );
47 extern void set_cpu_context( const CONTEXT *context );
48 extern void copy_context( CONTEXT *to, const CONTEXT *from, DWORD flags );
49
50 /* debug helpers */
51 extern LPCSTR debugstr_us( const UNICODE_STRING *str );
52 extern LPCSTR debugstr_ObjectAttributes(const OBJECT_ATTRIBUTES *oa);
53
54 extern NTSTATUS NTDLL_queue_process_apc( HANDLE process, const apc_call_t *call, apc_result_t *result );
55 extern NTSTATUS NTDLL_wait_for_multiple_objects( UINT count, const HANDLE *handles, UINT flags,
56 const LARGE_INTEGER *timeout, HANDLE signal_object );
57
58 /* init routines */
59 extern void signal_init_thread( TEB *teb );
60 extern void signal_init_process(void);
61 extern size_t get_signal_stack_total_size(void);
62 extern void version_init( const WCHAR *appname );
63 extern void debug_init(void);
64 extern HANDLE thread_init(void);
65 extern void actctx_init(void);
66 extern void virtual_init(void);
67 extern void virtual_init_threading(void);
68
69 /* server support */
70 extern timeout_t server_start_time;
71 extern void server_init_process(void);
72 extern NTSTATUS server_init_process_done(void);
73 extern size_t server_init_thread( void *entry_point );
74 extern void DECLSPEC_NORETURN server_protocol_error( const char *err, ... );
75 extern void DECLSPEC_NORETURN server_protocol_perror( const char *err );
76 extern void DECLSPEC_NORETURN abort_thread( int status );
77 extern sigset_t server_block_set;
78 extern void server_enter_uninterrupted_section( RTL_CRITICAL_SECTION *cs, sigset_t *sigset );
79 extern void server_leave_uninterrupted_section( RTL_CRITICAL_SECTION *cs, sigset_t *sigset );
80 extern int server_remove_fd_from_cache( HANDLE handle );
81 extern int server_get_unix_fd( HANDLE handle, unsigned int access, int *unix_fd,
82 int *needs_close, enum server_fd_type *type, unsigned int *options );
83
84 /* security descriptors */
85 NTSTATUS NTDLL_create_struct_sd(PSECURITY_DESCRIPTOR nt_sd, struct security_descriptor **server_sd,
86 data_size_t *server_sd_len);
87 void NTDLL_free_struct_sd(struct security_descriptor *server_sd);
88
89 /* module handling */
90 extern NTSTATUS MODULE_DllThreadAttach( LPVOID lpReserved );
91 extern FARPROC RELAY_GetProcAddress( HMODULE module, const IMAGE_EXPORT_DIRECTORY *exports,
92 DWORD exp_size, FARPROC proc, DWORD ordinal, const WCHAR *user );
93 extern FARPROC SNOOP_GetProcAddress( HMODULE hmod, const IMAGE_EXPORT_DIRECTORY *exports, DWORD exp_size,
94 FARPROC origfun, DWORD ordinal, const WCHAR *user );
95 extern void RELAY_SetupDLL( HMODULE hmod );
96 extern void SNOOP_SetupDLL( HMODULE hmod );
97 extern UNICODE_STRING windows_dir;
98 extern UNICODE_STRING system_dir;
99
100 typedef LONG (WINAPI *PUNHANDLED_EXCEPTION_FILTER)(PEXCEPTION_POINTERS);
101 extern PUNHANDLED_EXCEPTION_FILTER unhandled_exception_filter;
102
103 /* redefine these to make sure we don't reference kernel symbols */
104 #define GetProcessHeap() (NtCurrentTeb()->Peb->ProcessHeap)
105 #define GetCurrentProcessId() (HandleToULong(NtCurrentTeb()->ClientId.UniqueProcess))
106 #define GetCurrentThreadId() (HandleToULong(NtCurrentTeb()->ClientId.UniqueThread))
107
108 /* Device IO */
109 extern NTSTATUS CDROM_DeviceIoControl(HANDLE hDevice,
110 HANDLE hEvent, PIO_APC_ROUTINE UserApcRoutine,
111 PVOID UserApcContext,
112 PIO_STATUS_BLOCK piosb,
113 ULONG IoControlCode,
114 LPVOID lpInBuffer, DWORD nInBufferSize,
115 LPVOID lpOutBuffer, DWORD nOutBufferSize);
116 extern NTSTATUS COMM_DeviceIoControl(HANDLE hDevice,
117 HANDLE hEvent, PIO_APC_ROUTINE UserApcRoutine,
118 PVOID UserApcContext,
119 PIO_STATUS_BLOCK piosb,
120 ULONG IoControlCode,
121 LPVOID lpInBuffer, DWORD nInBufferSize,
122 LPVOID lpOutBuffer, DWORD nOutBufferSize);
123 extern NTSTATUS TAPE_DeviceIoControl(HANDLE hDevice,
124 HANDLE hEvent, PIO_APC_ROUTINE UserApcRoutine,
125 PVOID UserApcContext,
126 PIO_STATUS_BLOCK piosb,
127 ULONG IoControlCode,
128 LPVOID lpInBuffer, DWORD nInBufferSize,
129 LPVOID lpOutBuffer, DWORD nOutBufferSize);
130
131 /* file I/O */
132 extern NTSTATUS FILE_GetNtStatus(void);
133 extern BOOL DIR_is_hidden_file( const UNICODE_STRING *name );
134 extern NTSTATUS DIR_unmount_device( HANDLE handle );
135 extern NTSTATUS DIR_get_unix_cwd( char **cwd );
136 extern unsigned int DIR_get_drives_info( struct drive_info info[MAX_DOS_DRIVES] );
137
138 /* virtual memory */
139 extern void virtual_get_system_info( SYSTEM_BASIC_INFORMATION *info );
140 extern NTSTATUS virtual_create_system_view( void *base, SIZE_T size, DWORD vprot );
141 extern SIZE_T virtual_free_system_view( PVOID *addr_ptr );
142 extern NTSTATUS virtual_alloc_thread_stack( TEB *teb, SIZE_T reserve_size, SIZE_T commit_size );
143 extern void virtual_clear_thread_stack(void);
144 extern BOOL virtual_handle_stack_fault( void *addr );
145 extern NTSTATUS virtual_handle_fault( LPCVOID addr, DWORD err );
146 extern BOOL virtual_check_buffer_for_read( const void *ptr, SIZE_T size );
147 extern BOOL virtual_check_buffer_for_write( void *ptr, SIZE_T size );
148 extern void VIRTUAL_SetForceExec( BOOL enable );
149 extern void VIRTUAL_UseLargeAddressSpace(void);
150 extern struct _KUSER_SHARED_DATA *user_shared_data;
151
152 /* completion */
153 extern NTSTATUS NTDLL_AddCompletion( HANDLE hFile, ULONG_PTR CompletionValue,
154 NTSTATUS CompletionStatus, ULONG Information );
155
156 /* code pages */
157 extern int ntdll_umbstowcs(DWORD flags, const char* src, int srclen, WCHAR* dst, int dstlen);
158 extern int ntdll_wcstoumbs(DWORD flags, const WCHAR* src, int srclen, char* dst, int dstlen,
159 const char* defchar, int *used );
160
161 extern int CDECL NTDLL__vsnprintf( char *str, SIZE_T len, const char *format, __ms_va_list args );
162 extern int CDECL NTDLL__vsnwprintf( WCHAR *str, SIZE_T len, const WCHAR *format, __ms_va_list args );
163
164 /* load order */
165
166 enum loadorder
167 {
168 LO_INVALID,
169 LO_DISABLED,
170 LO_NATIVE,
171 LO_BUILTIN,
172 LO_NATIVE_BUILTIN, /* native then builtin */
173 LO_BUILTIN_NATIVE, /* builtin then native */
174 LO_DEFAULT /* nothing specified, use default strategy */
175 };
176
177 extern enum loadorder get_load_order( const WCHAR *app_name, const WCHAR *path );
178
179 struct debug_info
180 {
181 char *str_pos; /* current position in strings buffer */
182 char *out_pos; /* current position in output buffer */
183 char strings[1024]; /* buffer for temporary strings */
184 char output[1024]; /* current output line */
185 };
186
187 /* thread private data, stored in NtCurrentTeb()->SystemReserved2 */
188 struct ntdll_thread_data
189 {
190 DWORD fs; /* 1d4 TEB selector */
191 DWORD gs; /* 1d8 libc selector; update winebuild if you move this! */
192 struct debug_info *debug_info; /* 1dc info for debugstr functions */
193 int request_fd; /* 1e0 fd for sending server requests */
194 int reply_fd; /* 1e4 fd for receiving server replies */
195 int wait_fd[2]; /* 1e8 fd for sleeping server requests */
196 void *vm86_ptr; /* 1f0 data for vm86 mode */
197 void *pthread_data; /* 1f4 private data for pthread emulation */
198 pthread_t pthread_id; /* 1f8 pthread thread id */
199 };
200
201 static inline struct ntdll_thread_data *ntdll_get_thread_data(void)
202 {
203 return (struct ntdll_thread_data *)NtCurrentTeb()->SystemReserved2;
204 }
205
206 /* thread debug_registers, stored in NtCurrentTeb()->SpareBytes1 */
207 struct ntdll_thread_regs
208 {
209 DWORD dr0;
210 DWORD dr1;
211 DWORD dr2;
212 DWORD dr3;
213 DWORD dr6;
214 DWORD dr7;
215 };
216
217 static inline struct ntdll_thread_regs *ntdll_get_thread_regs(void)
218 {
219 return (struct ntdll_thread_regs *)NtCurrentTeb()->SpareBytes1;
220 }
221
222 /* Register functions */
223
224 #ifdef __i386__
225 #define DEFINE_REGS_ENTRYPOINT( name, args ) \
226 __ASM_GLOBAL_FUNC( name, \
227 ".byte 0x68\n\t" /* pushl $__regs_func */ \
228 ".long " __ASM_NAME("__regs_") #name "-.-11\n\t" \
229 ".byte 0x6a," #args "\n\t" /* pushl $args */ \
230 "call " __ASM_NAME("__wine_call_from_32_regs"))
231 #elif defined(__x86_64__)
232 #define DEFINE_REGS_ENTRYPOINT( name, args ) \
233 __ASM_GLOBAL_FUNC( name, \
234 "movq %rcx,8(%rsp)\n\t" \
235 "movq %rdx,16(%rsp)\n\t" \
236 "movq $" #args ",%rcx\n\t" \
237 "leaq " __ASM_NAME("__regs_") #name "(%rip),%rdx\n\t" \
238 "call " __ASM_NAME("__wine_call_from_regs"))
239 #endif
240
241 #endif
242
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