ntdll: Add a helper for mapping a PE image.
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
parent
8824474e08
commit
9e38a68001
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@ -2363,6 +2363,90 @@ static NTSTATUS get_mapping_info( HANDLE handle, ACCESS_MASK access, unsigned in
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}
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/***********************************************************************
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* virtual_map_image
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*
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* Map a PE image section into memory.
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*/
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static NTSTATUS virtual_map_image( HANDLE mapping, ACCESS_MASK access, void **addr_ptr, SIZE_T *size_ptr,
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unsigned short zero_bits_64, HANDLE shared_file, ULONG alloc_type,
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pe_image_info_t *image_info, WCHAR *filename, BOOL is_builtin )
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{
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unsigned int vprot = SEC_IMAGE | SEC_FILE | VPROT_COMMITTED | VPROT_READ | VPROT_EXEC | VPROT_WRITECOPY;
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int unix_fd = -1, needs_close;
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int shared_fd = -1, shared_needs_close = 0;
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SIZE_T size = image_info->map_size;
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struct file_view *view;
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NTSTATUS status;
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struct stat st;
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sigset_t sigset;
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void *base;
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if ((status = server_get_unix_fd( mapping, 0, &unix_fd, &needs_close, NULL, NULL )))
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return status;
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if (shared_file && ((status = server_get_unix_fd( shared_file, FILE_READ_DATA|FILE_WRITE_DATA,
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&shared_fd, &shared_needs_close, NULL, NULL ))))
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{
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if (needs_close) close( unix_fd );
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return status;
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}
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status = STATUS_INVALID_PARAMETER;
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server_enter_uninterrupted_section( &virtual_mutex, &sigset );
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if (is_builtin) /* check for already loaded builtin */
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{
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fstat( unix_fd, &st );
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if ((base = find_builtin_module( &st )))
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{
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*addr_ptr = base;
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*size_ptr = size;
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status = STATUS_SUCCESS;
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goto done;
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}
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}
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base = wine_server_get_ptr( image_info->base );
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if ((ULONG_PTR)base != image_info->base) base = NULL;
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if ((char *)base >= (char *)address_space_start) /* make sure the DOS area remains free */
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status = map_view( &view, base, size, alloc_type & MEM_TOP_DOWN, vprot, zero_bits_64 );
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if (status) status = map_view( &view, NULL, size, alloc_type & MEM_TOP_DOWN, vprot, zero_bits_64 );
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if (status) goto done;
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status = map_image_into_view( view, filename, unix_fd, base, image_info->header_size,
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image_info->image_flags, shared_fd, needs_close );
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if (status == STATUS_SUCCESS)
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{
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SERVER_START_REQ( map_view )
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{
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req->mapping = wine_server_obj_handle( mapping );
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req->access = access;
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req->base = wine_server_client_ptr( view->base );
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req->size = size;
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status = wine_server_call( req );
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}
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SERVER_END_REQ;
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}
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if (status >= 0)
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{
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if (is_builtin) add_builtin_module( view->base, NULL, &st );
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*addr_ptr = view->base;
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*size_ptr = size;
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VIRTUAL_DEBUG_DUMP_VIEW( view );
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}
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else delete_view( view );
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done:
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server_leave_uninterrupted_section( &virtual_mutex, &sigset );
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if (needs_close) close( unix_fd );
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if (shared_needs_close) close( shared_fd );
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return status;
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}
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/***********************************************************************
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* virtual_map_section
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*
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@ -2370,26 +2454,22 @@ static NTSTATUS get_mapping_info( HANDLE handle, ACCESS_MASK access, unsigned in
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*/
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static NTSTATUS virtual_map_section( HANDLE handle, PVOID *addr_ptr, unsigned short zero_bits_64,
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SIZE_T commit_size, const LARGE_INTEGER *offset_ptr, SIZE_T *size_ptr,
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ULONG alloc_type, ULONG protect, BOOL is_builtin )
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ULONG alloc_type, ULONG protect )
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{
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NTSTATUS res;
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mem_size_t full_size;
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ACCESS_MASK access;
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SIZE_T size;
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struct stat st;
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pe_image_info_t *image_info = NULL;
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WCHAR *filename;
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void *base;
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int unix_handle = -1, needs_close;
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int shared_fd = -1, shared_needs_close = 0;
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unsigned int vprot, sec_flags;
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struct file_view *view;
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HANDLE shared_file;
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LARGE_INTEGER offset;
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sigset_t sigset;
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offset.QuadPart = offset_ptr ? offset_ptr->QuadPart : 0;
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switch(protect)
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{
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case PAGE_NOACCESS:
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@ -2414,92 +2494,50 @@ static NTSTATUS virtual_map_section( HANDLE handle, PVOID *addr_ptr, unsigned sh
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res = get_mapping_info( handle, access, &sec_flags, &full_size, &shared_file, &image_info );
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if (res) return res;
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filename = (WCHAR *)(image_info + 1);
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if ((res = server_get_unix_fd( handle, 0, &unix_handle, &needs_close, NULL, NULL )))
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if (image_info)
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{
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filename = (WCHAR *)(image_info + 1);
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res = virtual_map_image( handle, access, addr_ptr, size_ptr, zero_bits_64, shared_file,
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alloc_type, image_info, filename, FALSE );
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if (shared_file) NtClose( shared_file );
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free( image_info );
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return res;
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}
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if (shared_file && ((res = server_get_unix_fd( shared_file, FILE_READ_DATA|FILE_WRITE_DATA,
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&shared_fd, &shared_needs_close, NULL, NULL ))))
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base = *addr_ptr;
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offset.QuadPart = offset_ptr ? offset_ptr->QuadPart : 0;
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if (offset.QuadPart >= full_size) return STATUS_INVALID_PARAMETER;
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if (*size_ptr)
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{
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NtClose( shared_file );
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if (needs_close) close( unix_handle );
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free( image_info );
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return res;
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}
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res = STATUS_INVALID_PARAMETER;
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server_enter_uninterrupted_section( &virtual_mutex, &sigset );
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if (is_builtin) /* check for already loaded builtin */
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{
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fstat( unix_handle, &st );
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if ((base = find_builtin_module( &st )))
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{
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*addr_ptr = base;
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*size_ptr = image_info->map_size;
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res = STATUS_SUCCESS;
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goto done;
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}
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}
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if (sec_flags & SEC_IMAGE)
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{
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base = wine_server_get_ptr( image_info->base );
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if ((ULONG_PTR)base != image_info->base) base = NULL;
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size = image_info->map_size;
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vprot = SEC_IMAGE | SEC_FILE | VPROT_COMMITTED | VPROT_READ | VPROT_EXEC | VPROT_WRITECOPY;
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if ((char *)base >= (char *)address_space_start) /* make sure the DOS area remains free */
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res = map_view( &view, base, size, alloc_type & MEM_TOP_DOWN, vprot, zero_bits_64 );
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if (res) res = map_view( &view, NULL, size, alloc_type & MEM_TOP_DOWN, vprot, zero_bits_64 );
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if (res) goto done;
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res = map_image_into_view( view, filename, unix_handle, base, image_info->header_size,
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image_info->image_flags, shared_fd, needs_close );
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size = *size_ptr;
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if (size > full_size - offset.QuadPart) return STATUS_INVALID_VIEW_SIZE;
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}
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else
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{
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base = *addr_ptr;
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if (offset.QuadPart >= full_size) goto done;
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if (*size_ptr)
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size = full_size - offset.QuadPart;
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if (size != full_size - offset.QuadPart) /* truncated */
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{
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size = *size_ptr;
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if (size > full_size - offset.QuadPart)
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{
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res = STATUS_INVALID_VIEW_SIZE;
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goto done;
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}
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WARN( "Files larger than 4Gb (%s) not supported on this platform\n",
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wine_dbgstr_longlong(full_size) );
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return STATUS_INVALID_PARAMETER;
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}
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else
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{
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size = full_size - offset.QuadPart;
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if (size != full_size - offset.QuadPart) /* truncated */
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{
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WARN( "Files larger than 4Gb (%s) not supported on this platform\n",
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wine_dbgstr_longlong(full_size) );
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goto done;
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}
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}
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if (!(size = ROUND_SIZE( 0, size ))) goto done; /* wrap-around */
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get_vprot_flags( protect, &vprot, FALSE );
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vprot |= sec_flags;
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if (!(sec_flags & SEC_RESERVE)) vprot |= VPROT_COMMITTED;
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res = map_view( &view, base, size, alloc_type & MEM_TOP_DOWN, vprot, zero_bits_64 );
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if (res) goto done;
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TRACE( "handle=%p size=%lx offset=%x%08x\n", handle, size, offset.u.HighPart, offset.u.LowPart );
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res = map_file_into_view( view, unix_handle, 0, size, offset.QuadPart, vprot, needs_close );
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if (res) ERR( "mapping %p %lx %x%08x failed\n",
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view->base, size, offset.u.HighPart, offset.u.LowPart );
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}
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if (!(size = ROUND_SIZE( 0, size ))) return STATUS_INVALID_PARAMETER; /* wrap-around */
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get_vprot_flags( protect, &vprot, FALSE );
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vprot |= sec_flags;
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if (!(sec_flags & SEC_RESERVE)) vprot |= VPROT_COMMITTED;
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if ((res = server_get_unix_fd( handle, 0, &unix_handle, &needs_close, NULL, NULL ))) return res;
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server_enter_uninterrupted_section( &virtual_mutex, &sigset );
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res = map_view( &view, base, size, alloc_type & MEM_TOP_DOWN, vprot, zero_bits_64 );
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if (res) goto done;
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TRACE( "handle=%p size=%lx offset=%x%08x\n", handle, size, offset.u.HighPart, offset.u.LowPart );
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res = map_file_into_view( view, unix_handle, 0, size, offset.QuadPart, vprot, needs_close );
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if (res == STATUS_SUCCESS)
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{
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SERVER_START_REQ( map_view )
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@ -2513,10 +2551,10 @@ static NTSTATUS virtual_map_section( HANDLE handle, PVOID *addr_ptr, unsigned sh
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}
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SERVER_END_REQ;
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}
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else ERR( "mapping %p %lx %x%08x failed\n", view->base, size, offset.u.HighPart, offset.u.LowPart );
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if (res >= 0)
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{
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if (is_builtin) add_builtin_module( view->base, NULL, &st );
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*addr_ptr = view->base;
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*size_ptr = size;
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VIRTUAL_DEBUG_DUMP_VIEW( view );
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@ -2526,9 +2564,6 @@ static NTSTATUS virtual_map_section( HANDLE handle, PVOID *addr_ptr, unsigned sh
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done:
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server_leave_uninterrupted_section( &virtual_mutex, &sigset );
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if (needs_close) close( unix_handle );
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if (shared_needs_close) close( shared_fd );
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if (shared_file) NtClose( shared_file );
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free( image_info );
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return res;
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}
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@ -2666,10 +2701,27 @@ void virtual_get_system_info( SYSTEM_BASIC_INFORMATION *info )
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*/
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NTSTATUS virtual_map_builtin_module( HANDLE mapping, void **module )
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{
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mem_size_t full_size;
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unsigned int sec_flags;
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HANDLE shared_file;
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pe_image_info_t *image_info = NULL;
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ACCESS_MASK access = SECTION_MAP_READ | SECTION_MAP_EXECUTE;
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SIZE_T size = 0;
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NTSTATUS status;
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WCHAR *filename;
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if ((status = get_mapping_info( mapping, access, &sec_flags, &full_size, &shared_file, &image_info )))
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return status;
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if (!image_info) return STATUS_INVALID_PARAMETER;
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*module = NULL;
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return virtual_map_section( mapping, module, 0, 0, NULL, &size, 0, PAGE_EXECUTE_READ, TRUE );
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filename = (WCHAR *)(image_info + 1);
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status = virtual_map_image( mapping, SECTION_MAP_READ | SECTION_MAP_EXECUTE,
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module, &size, 0, shared_file, 0, image_info, filename, TRUE );
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if (shared_file) NtClose( shared_file );
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free( image_info );
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return status;
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}
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@ -4265,7 +4317,7 @@ NTSTATUS WINAPI NtMapViewOfSection( HANDLE handle, HANDLE process, PVOID *addr_p
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}
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return virtual_map_section( handle, addr_ptr, zero_bits_64, commit_size,
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offset_ptr, size_ptr, alloc_type, protect, FALSE );
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offset_ptr, size_ptr, alloc_type, protect );
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}
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