Module: wine Branch: master Commit: 4ffe39573b537d638e4b39c9b5990c6566d62b09 URL: https://source.winehq.org/git/wine.git/?a=commit;h=4ffe39573b537d638e4b39c9b...
Author: Alexandre Julliard julliard@winehq.org Date: Thu Jun 4 19:48:26 2020 +0200
ntdll: Move mapping of the user shared data to the Unix library.
Signed-off-by: Alexandre Julliard julliard@winehq.org
---
dlls/ntdll/loader.c | 1 - dlls/ntdll/ntdll_misc.h | 1 - dlls/ntdll/thread.c | 47 +----------------------------------------- dlls/ntdll/unix/thread.c | 2 ++ dlls/ntdll/unix/unix_private.h | 1 + dlls/ntdll/unix/virtual.c | 44 +++++++++++++++++++++++++++++++++++++++ 6 files changed, 48 insertions(+), 48 deletions(-)
diff --git a/dlls/ntdll/loader.c b/dlls/ntdll/loader.c index 1dbb073963..45d32399ad 100644 --- a/dlls/ntdll/loader.c +++ b/dlls/ntdll/loader.c @@ -4392,7 +4392,6 @@ void __wine_process_init(void) FILE_umask = umask(0777); umask( FILE_umask );
- map_user_shared_data(); load_global_options(); version_init();
diff --git a/dlls/ntdll/ntdll_misc.h b/dlls/ntdll/ntdll_misc.h index f2a1baf17f..65c65cc02d 100644 --- a/dlls/ntdll/ntdll_misc.h +++ b/dlls/ntdll/ntdll_misc.h @@ -176,7 +176,6 @@ extern NTSTATUS nt_to_unix_file_name_attr( const OBJECT_ATTRIBUTES *attr, ANSI_S extern void virtual_fill_image_information( const pe_image_info_t *pe_info, SECTION_IMAGE_INFORMATION *info ) DECLSPEC_HIDDEN; extern struct _KUSER_SHARED_DATA *user_shared_data DECLSPEC_HIDDEN; -extern void map_user_shared_data(void) DECLSPEC_HIDDEN;
/* completion */ extern NTSTATUS NTDLL_AddCompletion( HANDLE hFile, ULONG_PTR CompletionValue, diff --git a/dlls/ntdll/thread.c b/dlls/ntdll/thread.c index 2d4fbe6cbe..8918b39a9c 100644 --- a/dlls/ntdll/thread.c +++ b/dlls/ntdll/thread.c @@ -49,7 +49,7 @@ WINE_DEFAULT_DEBUG_CHANNEL(thread); WINE_DECLARE_DEBUG_CHANNEL(relay);
-struct _KUSER_SHARED_DATA *user_shared_data = NULL; +struct _KUSER_SHARED_DATA *user_shared_data = (void *)0x7ffe0000;
void (WINAPI *kernel32_start_process)(LPTHREAD_START_ROUTINE,void*) = NULL;
@@ -173,33 +173,6 @@ int __cdecl __wine_dbg_output( const char *str ) return unix_funcs->dbg_output( str ); }
-void map_user_shared_data(void) -{ - static const WCHAR wine_usdW[] = {'\','K','e','r','n','e','l','O','b','j','e','c','t','s', - '\','_','_','w','i','n','e','_','u','s','e','r','_','s','h','a','r','e','d','_','d','a','t','a',0}; - OBJECT_ATTRIBUTES attr = {sizeof(attr)}; - UNICODE_STRING wine_usd_str; - NTSTATUS status; - HANDLE section; - int res, fd, needs_close; - - RtlInitUnicodeString( &wine_usd_str, wine_usdW ); - InitializeObjectAttributes( &attr, &wine_usd_str, OBJ_OPENIF, NULL, NULL ); - if ((status = NtOpenSection( §ion, SECTION_ALL_ACCESS, &attr ))) - { - MESSAGE( "wine: failed to open the USD section: %08x\n", status ); - exit(1); - } - if ((res = unix_funcs->server_get_unix_fd( section, 0, &fd, &needs_close, NULL, NULL )) || - (user_shared_data != mmap( user_shared_data, sizeof(*user_shared_data), - PROT_READ, MAP_SHARED | MAP_FIXED, fd, 0 ))) - { - MESSAGE( "wine: failed to remap the process USD: %d\n", res ); - exit(1); - } - if (needs_close) close( fd ); - NtClose( section ); -}
/*********************************************************************** * thread_init @@ -211,27 +184,9 @@ void map_user_shared_data(void) TEB *thread_init( SIZE_T *info_size, BOOL *suspend ) { TEB *teb; - void *addr; - SIZE_T size; - NTSTATUS status;
virtual_init();
- /* reserve space for shared user data */ - - addr = (void *)0x7ffe0000; - size = 0x1000; - status = NtAllocateVirtualMemory( NtCurrentProcess(), &addr, 0, &size, - MEM_RESERVE|MEM_COMMIT, PAGE_READONLY ); - if (status) - { - MESSAGE( "wine: failed to map the shared user data: %08x\n", status ); - exit(1); - } - user_shared_data = addr; - - /* allocate and initialize the PEB and initial TEB */ - teb = unix_funcs->init_threading( &nb_threads, &__wine_ldt_copy, info_size, suspend, &server_cpus, &is_wow64, &server_start_time );
diff --git a/dlls/ntdll/unix/thread.c b/dlls/ntdll/unix/thread.c index 3c69dfbd64..1d84c7173a 100644 --- a/dlls/ntdll/unix/thread.c +++ b/dlls/ntdll/unix/thread.c @@ -107,6 +107,8 @@ TEB * CDECL init_threading( int *nb_threads_ptr, struct ldt_copy **ldt_copy, SIZ dbg_init(); server_init_process(); info_size = server_init_thread( teb->Peb, suspend ); + virtual_map_user_shared_data(); + if (size) *size = info_size; if (cpus) *cpus = server_cpus; if (wow64) *wow64 = is_wow64; diff --git a/dlls/ntdll/unix/unix_private.h b/dlls/ntdll/unix/unix_private.h index 962774f8c1..ce751c9030 100644 --- a/dlls/ntdll/unix/unix_private.h +++ b/dlls/ntdll/unix/unix_private.h @@ -134,6 +134,7 @@ extern void virtual_init(void) DECLSPEC_HIDDEN; extern TEB *virtual_alloc_first_teb(void) DECLSPEC_HIDDEN; extern NTSTATUS virtual_alloc_teb( TEB **ret_teb ) DECLSPEC_HIDDEN; extern void virtual_free_teb( TEB *teb ) DECLSPEC_HIDDEN; +extern void virtual_map_user_shared_data(void) DECLSPEC_HIDDEN;
extern void signal_init_threading(void) DECLSPEC_HIDDEN; extern NTSTATUS signal_alloc_thread( TEB *teb ) DECLSPEC_HIDDEN; diff --git a/dlls/ntdll/unix/virtual.c b/dlls/ntdll/unix/virtual.c index d768f32f12..7c5b5d5cf1 100644 --- a/dlls/ntdll/unix/virtual.c +++ b/dlls/ntdll/unix/virtual.c @@ -161,6 +161,8 @@ static void *user_space_limit = (void *)0x7fff0000; static void *working_set_limit = (void *)0x7fff0000; #endif
+static struct _KUSER_SHARED_DATA *user_shared_data = (void *)0x7ffe0000; + SIZE_T signal_stack_size = 0; SIZE_T signal_stack_mask = 0; static SIZE_T signal_stack_align; @@ -2543,10 +2545,21 @@ TEB *virtual_alloc_first_teb(void) { TEB *teb; PEB *peb; + NTSTATUS status; + SIZE_T data_size = page_size; SIZE_T peb_size = page_size; SIZE_T teb_size = signal_stack_mask + 1; SIZE_T total = 32 * teb_size;
+ /* reserve space for shared user data */ + status = NtAllocateVirtualMemory( NtCurrentProcess(), (void **)&user_shared_data, 0, &data_size, + MEM_RESERVE | MEM_COMMIT, PAGE_READONLY ); + if (status) + { + ERR( "wine: failed to map the shared user data: %08x\n", status ); + exit(1); + } + NtAllocateVirtualMemory( NtCurrentProcess(), (void **)&teb_block, 0, &total, MEM_RESERVE | MEM_TOP_DOWN, PAGE_READWRITE ); teb_block_pos = 30; @@ -2733,6 +2746,37 @@ void virtual_clear_thread_stack( void *stack_end ) }
+/*********************************************************************** + * virtual_map_user_shared_data + */ +void virtual_map_user_shared_data(void) +{ + static const WCHAR wine_usdW[] = {'\','K','e','r','n','e','l','O','b','j','e','c','t','s', + '\','_','_','w','i','n','e','_','u','s','e','r','_','s','h','a','r','e','d','_','d','a','t','a',0}; + OBJECT_ATTRIBUTES attr = {sizeof(attr)}; + UNICODE_STRING wine_usd_str; + NTSTATUS status; + HANDLE section; + int res, fd, needs_close; + + RtlInitUnicodeString( &wine_usd_str, wine_usdW ); + InitializeObjectAttributes( &attr, &wine_usd_str, OBJ_OPENIF, NULL, NULL ); + if ((status = NtOpenSection( §ion, SECTION_ALL_ACCESS, &attr ))) + { + ERR( "failed to open the USD section: %08x\n", status ); + exit(1); + } + if ((res = server_get_unix_fd( section, 0, &fd, &needs_close, NULL, NULL )) || + (user_shared_data != mmap( user_shared_data, page_size, PROT_READ, MAP_SHARED|MAP_FIXED, fd, 0 ))) + { + ERR( "failed to remap the process USD: %d\n", res ); + exit(1); + } + if (needs_close) close( fd ); + NtClose( section ); +} + + /*********************************************************************** * virtual_handle_fault */
-
Alexandre Julliard