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wine/dlls/ntdll/ntdll_misc.h

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/*
* Copyright 2000 Juergen Schmied
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifndef __WINE_NTDLL_MISC_H
#define __WINE_NTDLL_MISC_H
#include <stdarg.h>
#include <signal.h>
#include <sys/types.h>
#include <pthread.h>
#include "windef.h"
#include "winnt.h"
#include "winternl.h"
#include "wine/server.h"
#define MAX_NT_PATH_LENGTH 277
#define MAX_DOS_DRIVES 26
struct drive_info
{
dev_t dev;
ino_t ino;
};
/* exceptions */
extern void wait_suspend( CONTEXT *context );
extern NTSTATUS send_debug_event( EXCEPTION_RECORD *rec, int first_chance, CONTEXT *context );
extern LONG call_vectored_handlers( EXCEPTION_RECORD *rec, CONTEXT *context );
extern void raise_status( NTSTATUS status, EXCEPTION_RECORD *rec ) DECLSPEC_NORETURN;
extern void set_cpu_context( const CONTEXT *context );
extern void copy_context( CONTEXT *to, const CONTEXT *from, DWORD flags );
extern NTSTATUS context_to_server( context_t *to, const CONTEXT *from );
extern NTSTATUS context_from_server( CONTEXT *to, const context_t *from );
extern void call_thread_entry_point( LPTHREAD_START_ROUTINE entry, void *arg ) DECLSPEC_NORETURN;
/* debug helpers */
extern LPCSTR debugstr_us( const UNICODE_STRING *str );
extern LPCSTR debugstr_ObjectAttributes(const OBJECT_ATTRIBUTES *oa);
extern NTSTATUS NTDLL_queue_process_apc( HANDLE process, const apc_call_t *call, apc_result_t *result );
extern NTSTATUS NTDLL_wait_for_multiple_objects( UINT count, const HANDLE *handles, UINT flags,
const LARGE_INTEGER *timeout, HANDLE signal_object );
/* init routines */
extern void signal_init_thread( TEB *teb );
extern void signal_init_process(void);
extern size_t get_signal_stack_total_size(void);
extern void version_init( const WCHAR *appname );
extern void debug_init(void);
extern HANDLE thread_init(void);
extern void actctx_init(void);
extern void virtual_init(void);
extern void virtual_init_threading(void);
/* server support */
extern timeout_t server_start_time;
extern unsigned int server_cpus;
extern int is_wow64;
extern void server_init_process(void);
extern NTSTATUS server_init_process_done(void);
extern size_t server_init_thread( void *entry_point );
extern void DECLSPEC_NORETURN server_protocol_error( const char *err, ... );
extern void DECLSPEC_NORETURN server_protocol_perror( const char *err );
extern void DECLSPEC_NORETURN abort_thread( int status );
extern void DECLSPEC_NORETURN exit_thread( int status );
extern sigset_t server_block_set;
extern void server_enter_uninterrupted_section( RTL_CRITICAL_SECTION *cs, sigset_t *sigset );
extern void server_leave_uninterrupted_section( RTL_CRITICAL_SECTION *cs, sigset_t *sigset );
extern int server_remove_fd_from_cache( HANDLE handle );
extern int server_get_unix_fd( HANDLE handle, unsigned int access, int *unix_fd,
int *needs_close, enum server_fd_type *type, unsigned int *options );
extern int server_pipe( int fd[2] );
/* security descriptors */
NTSTATUS NTDLL_create_struct_sd(PSECURITY_DESCRIPTOR nt_sd, struct security_descriptor **server_sd,
data_size_t *server_sd_len);
void NTDLL_free_struct_sd(struct security_descriptor *server_sd);
/* module handling */
extern NTSTATUS MODULE_DllThreadAttach( LPVOID lpReserved );
extern FARPROC RELAY_GetProcAddress( HMODULE module, const IMAGE_EXPORT_DIRECTORY *exports,
DWORD exp_size, FARPROC proc, DWORD ordinal, const WCHAR *user );
extern FARPROC SNOOP_GetProcAddress( HMODULE hmod, const IMAGE_EXPORT_DIRECTORY *exports, DWORD exp_size,
FARPROC origfun, DWORD ordinal, const WCHAR *user );
extern void RELAY_SetupDLL( HMODULE hmod );
extern void SNOOP_SetupDLL( HMODULE hmod );
extern UNICODE_STRING windows_dir;
extern UNICODE_STRING system_dir;
typedef LONG (WINAPI *PUNHANDLED_EXCEPTION_FILTER)(PEXCEPTION_POINTERS);
extern PUNHANDLED_EXCEPTION_FILTER unhandled_exception_filter;
/* redefine these to make sure we don't reference kernel symbols */
#define GetProcessHeap() (NtCurrentTeb()->Peb->ProcessHeap)
#define GetCurrentProcessId() (HandleToULong(NtCurrentTeb()->ClientId.UniqueProcess))
#define GetCurrentThreadId() (HandleToULong(NtCurrentTeb()->ClientId.UniqueThread))
/* Device IO */
extern NTSTATUS CDROM_DeviceIoControl(HANDLE hDevice,
HANDLE hEvent, PIO_APC_ROUTINE UserApcRoutine,
PVOID UserApcContext,
PIO_STATUS_BLOCK piosb,
ULONG IoControlCode,
LPVOID lpInBuffer, DWORD nInBufferSize,
LPVOID lpOutBuffer, DWORD nOutBufferSize);
extern NTSTATUS COMM_DeviceIoControl(HANDLE hDevice,
HANDLE hEvent, PIO_APC_ROUTINE UserApcRoutine,
PVOID UserApcContext,
PIO_STATUS_BLOCK piosb,
ULONG IoControlCode,
LPVOID lpInBuffer, DWORD nInBufferSize,
LPVOID lpOutBuffer, DWORD nOutBufferSize);
extern NTSTATUS TAPE_DeviceIoControl(HANDLE hDevice,
HANDLE hEvent, PIO_APC_ROUTINE UserApcRoutine,
PVOID UserApcContext,
PIO_STATUS_BLOCK piosb,
ULONG IoControlCode,
LPVOID lpInBuffer, DWORD nInBufferSize,
LPVOID lpOutBuffer, DWORD nOutBufferSize);
/* file I/O */
extern NTSTATUS FILE_GetNtStatus(void);
extern BOOL DIR_is_hidden_file( const UNICODE_STRING *name );
extern NTSTATUS DIR_unmount_device( HANDLE handle );
extern NTSTATUS DIR_get_unix_cwd( char **cwd );
extern unsigned int DIR_get_drives_info( struct drive_info info[MAX_DOS_DRIVES] );
/* virtual memory */
extern void virtual_get_system_info( SYSTEM_BASIC_INFORMATION *info );
extern NTSTATUS virtual_create_system_view( void *base, SIZE_T size, DWORD vprot );
extern NTSTATUS virtual_alloc_thread_stack( TEB *teb, SIZE_T reserve_size, SIZE_T commit_size );
extern void virtual_clear_thread_stack(void);
extern BOOL virtual_handle_stack_fault( void *addr );
extern NTSTATUS virtual_handle_fault( LPCVOID addr, DWORD err );
extern BOOL virtual_check_buffer_for_read( const void *ptr, SIZE_T size );
extern BOOL virtual_check_buffer_for_write( void *ptr, SIZE_T size );
extern void VIRTUAL_SetForceExec( BOOL enable );
extern void virtual_release_address_space( BOOL free_high_mem );
extern struct _KUSER_SHARED_DATA *user_shared_data;
/* completion */
extern NTSTATUS NTDLL_AddCompletion( HANDLE hFile, ULONG_PTR CompletionValue,
NTSTATUS CompletionStatus, ULONG Information );
/* code pages */
extern int ntdll_umbstowcs(DWORD flags, const char* src, int srclen, WCHAR* dst, int dstlen);
extern int ntdll_wcstoumbs(DWORD flags, const WCHAR* src, int srclen, char* dst, int dstlen,
const char* defchar, int *used );
extern int CDECL NTDLL__vsnprintf( char *str, SIZE_T len, const char *format, __ms_va_list args );
extern int CDECL NTDLL__vsnwprintf( WCHAR *str, SIZE_T len, const WCHAR *format, __ms_va_list args );
/* load order */
enum loadorder
{
LO_INVALID,
LO_DISABLED,
LO_NATIVE,
LO_BUILTIN,
LO_NATIVE_BUILTIN, /* native then builtin */
LO_BUILTIN_NATIVE, /* builtin then native */
LO_DEFAULT /* nothing specified, use default strategy */
};
extern enum loadorder get_load_order( const WCHAR *app_name, const WCHAR *path );
struct debug_info
{
char *str_pos; /* current position in strings buffer */
char *out_pos; /* current position in output buffer */
char strings[1024]; /* buffer for temporary strings */
char output[1024]; /* current output line */
};
/* thread private data, stored in NtCurrentTeb()->SystemReserved2 */
struct ntdll_thread_data
{
DWORD fs; /* 1d4/300 TEB selector */
DWORD gs; /* 1d8/304 libc selector; update winebuild if you move this! */
struct debug_info *debug_info; /* 1dc/308 info for debugstr functions */
int request_fd; /* 1e0/310 fd for sending server requests */
int reply_fd; /* 1e4/314 fd for receiving server replies */
int wait_fd[2]; /* 1e8/318 fd for sleeping server requests */
BOOL wow64_redir; /* 1f0/320 Wow64 filesystem redirection flag */
void *vm86_ptr; /* 1f4/328 data for vm86 mode */
pthread_t pthread_id; /* 1f8/330 pthread thread id */
};
static inline struct ntdll_thread_data *ntdll_get_thread_data(void)
{
return (struct ntdll_thread_data *)NtCurrentTeb()->SystemReserved2;
}
/* thread debug_registers, stored in NtCurrentTeb()->SpareBytes1 */
struct ntdll_thread_regs
{
DWORD dr0;
DWORD dr1;
DWORD dr2;
DWORD dr3;
DWORD dr6;
DWORD dr7;
};
static inline struct ntdll_thread_regs *ntdll_get_thread_regs(void)
{
return (struct ntdll_thread_regs *)NtCurrentTeb()->SpareBytes1;
}
/* Register functions */
#ifdef __i386__
#define DEFINE_REGS_ENTRYPOINT( name, args ) \
__ASM_GLOBAL_FUNC( name, \
".byte 0x68\n\t" /* pushl $__regs_func */ \
".long " __ASM_NAME("__regs_") #name "-.-11\n\t" \
".byte 0x6a," #args "\n\t" /* pushl $args */ \
"call " __ASM_NAME("__wine_call_from_32_regs") "\n\t" \
"ret $(4*" #args ")" ) /* fake ret to make copy protections happy */
#elif defined(__x86_64__)
#define DEFINE_REGS_ENTRYPOINT( name, args ) \
__ASM_GLOBAL_FUNC( name, \
"movq %rcx,8(%rsp)\n\t" \
"movq %rdx,16(%rsp)\n\t" \
"movq $" #args ",%rcx\n\t" \
"leaq " __ASM_NAME("__regs_") #name "(%rip),%rdx\n\t" \
"call " __ASM_NAME("__wine_call_from_regs"))
#endif
#endif
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