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ntdll: Return the mapping size in virtual_map_builtin_module(). 

Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Alexandre Julliard 2021-03-22 09:56:48 +01:00
parent 0ea5772113
commit 5dcd3c1dd9
3 changed files with 32 additions and 18 deletions
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42
dlls/ntdll/unix/loader.c
View File

@ -1234,7 +1234,7 @@ static inline char *prepend( char *buffer, const char *str, size_t len )
* Open a file for a new dll. Helper for open_builtin_file.
*/
static NTSTATUS open_dll_file( const char *name, OBJECT_ATTRIBUTES *attr, void **module,
SECTION_IMAGE_INFORMATION *image_info, BOOL prefer_native )
SIZE_T *size_ptr, SECTION_IMAGE_INFORMATION *image_info, BOOL prefer_native )
{
LARGE_INTEGER size;
NTSTATUS status;
@ -1281,7 +1281,7 @@ static NTSTATUS open_dll_file( const char *name, OBJECT_ATTRIBUTES *attr, void *
NtClose( mapping );
return STATUS_IMAGE_ALREADY_LOADED;
}
status = virtual_map_builtin_module( mapping, module );
status = virtual_map_builtin_module( mapping, module, size_ptr );
NtClose( mapping );
return status;
}
@ -1290,14 +1290,14 @@ static NTSTATUS open_dll_file( const char *name, OBJECT_ATTRIBUTES *attr, void *
/***********************************************************************
* open_builtin_file
*/
static NTSTATUS open_builtin_file( char *name, OBJECT_ATTRIBUTES *attr, void **module,
static NTSTATUS open_builtin_file( char *name, OBJECT_ATTRIBUTES *attr, void **module, SIZE_T *size,
SECTION_IMAGE_INFORMATION *image_info, BOOL prefer_native )
{
NTSTATUS status;
int fd;
*module = NULL;
status = open_dll_file( name, attr, module, image_info, prefer_native );
status = open_dll_file( name, attr, module, size, image_info, prefer_native );
if (status != STATUS_DLL_NOT_FOUND) return status;
/* try .so file */
@ -1325,10 +1325,10 @@ static NTSTATUS open_builtin_file( char *name, OBJECT_ATTRIBUTES *attr, void **m
/***********************************************************************
* load_builtin_dll
* find_builtin_dll
*/
static NTSTATUS CDECL load_builtin_dll( UNICODE_STRING *nt_name, void **module,
SECTION_IMAGE_INFORMATION *image_info, BOOL prefer_native )
static NTSTATUS find_builtin_dll( UNICODE_STRING *nt_name, void **module, SIZE_T *size_ptr,
SECTION_IMAGE_INFORMATION *image_info, BOOL prefer_native )
{
unsigned int i, pos, namepos, namelen, maxlen = 0;
unsigned int len = nt_name->Length / sizeof(WCHAR);
@ -1369,7 +1369,7 @@ static NTSTATUS CDECL load_builtin_dll( UNICODE_STRING *nt_name, void **module,
ptr = prepend( ptr, ptr, namelen );
ptr = prepend( ptr, "/dlls", sizeof("/dlls") - 1 );
ptr = prepend( ptr, build_dir, strlen(build_dir) );
status = open_builtin_file( ptr, &attr, module, image_info, prefer_native );
status = open_builtin_file( ptr, &attr, module, size_ptr, image_info, prefer_native );
if (status != STATUS_DLL_NOT_FOUND) goto done;
/* now as a program */
@ -1380,7 +1380,7 @@ static NTSTATUS CDECL load_builtin_dll( UNICODE_STRING *nt_name, void **module,
ptr = prepend( ptr, ptr, namelen );
ptr = prepend( ptr, "/programs", sizeof("/programs") - 1 );
ptr = prepend( ptr, build_dir, strlen(build_dir) );
status = open_builtin_file( ptr, &attr, module, image_info, prefer_native );
status = open_builtin_file( ptr, &attr, module, size_ptr, image_info, prefer_native );
if (status != STATUS_DLL_NOT_FOUND) goto done;
}
@ -1388,17 +1388,15 @@ static NTSTATUS CDECL load_builtin_dll( UNICODE_STRING *nt_name, void **module,
{
file[pos + len + 1] = 0;
ptr = prepend( file + pos, dll_paths[i], strlen(dll_paths[i]) );
status = open_builtin_file( ptr, &attr, module, image_info, prefer_native );
status = open_builtin_file( ptr, &attr, module, size_ptr, image_info, prefer_native );
if (status == STATUS_IMAGE_MACHINE_TYPE_MISMATCH) found_image = TRUE;
else if (status != STATUS_DLL_NOT_FOUND) goto done;
}
if (found_image) status = STATUS_IMAGE_MACHINE_TYPE_MISMATCH;
WARN( "cannot find builtin library for %s\n", debugstr_us(nt_name) );
done:
if (status == STATUS_IMAGE_NOT_AT_BASE) status = STATUS_SUCCESS;
if (!status && ext)
if (status >= 0 && ext)
{
strcpy( ext, ".so" );
set_builtin_unix_info( *module, ptr, NULL, NULL );
@ -1408,6 +1406,21 @@ done:
}
/***********************************************************************
* load_builtin_dll
*/
static NTSTATUS CDECL load_builtin_dll( UNICODE_STRING *nt_name, void **module,
SECTION_IMAGE_INFORMATION *image_info, BOOL prefer_native )
{
SIZE_T size;
NTSTATUS status;
status = find_builtin_dll( nt_name, module, &size, image_info, prefer_native );
if (status == STATUS_IMAGE_NOT_AT_BASE) status = STATUS_SUCCESS;
return status;
}
#ifdef __FreeBSD__
/* The PT_LOAD segments are sorted in increasing order, and the first
* starts at the beginning of the ELF file. By parsing the file, we can
@ -1500,12 +1513,13 @@ static void load_ntdll(void)
OBJECT_ATTRIBUTES attr;
UNICODE_STRING str;
void *module;
SIZE_T size = 0;
char *name = build_path( dll_dir, "ntdll.dll.so" );
init_unicode_string( &str, path );
InitializeObjectAttributes( &attr, &str, 0, 0, NULL );
name[strlen(name) - 3] = 0; /* remove .so */
status = open_builtin_file( name, &attr, &module, &info, FALSE );
status = open_builtin_file( name, &attr, &module, &size, &info, FALSE );
if (status == STATUS_IMAGE_NOT_AT_BASE) relocate_ntdll( module );
else if (status) fatal_error( "failed to load %s error %x\n", name, status );
free( name );

2
dlls/ntdll/unix/unix_private.h
View File

@ -178,7 +178,7 @@ extern void *anon_mmap_alloc( size_t size, int prot ) DECLSPEC_HIDDEN;
extern void virtual_init(void) DECLSPEC_HIDDEN;
extern ULONG_PTR get_system_affinity_mask(void) DECLSPEC_HIDDEN;
extern void virtual_get_system_info( SYSTEM_BASIC_INFORMATION *info ) DECLSPEC_HIDDEN;
extern NTSTATUS virtual_map_builtin_module( HANDLE mapping, void **module ) DECLSPEC_HIDDEN;
extern NTSTATUS virtual_map_builtin_module( HANDLE mapping, void **module, SIZE_T *size ) DECLSPEC_HIDDEN;
extern NTSTATUS virtual_create_builtin_view( void *module, const UNICODE_STRING *nt_name,
pe_image_info_t *info, void *so_handle ) DECLSPEC_HIDDEN;
extern TEB *virtual_alloc_first_teb(void) DECLSPEC_HIDDEN;

6
dlls/ntdll/unix/virtual.c
View File

@ -2732,14 +2732,13 @@ void virtual_get_system_info( SYSTEM_BASIC_INFORMATION *info )
/***********************************************************************
* virtual_map_builtin_module
*/
NTSTATUS virtual_map_builtin_module( HANDLE mapping, void **module )
NTSTATUS virtual_map_builtin_module( HANDLE mapping, void **module, SIZE_T *size )
{
mem_size_t full_size;
unsigned int sec_flags;
HANDLE shared_file;
pe_image_info_t *image_info = NULL;
ACCESS_MASK access = SECTION_MAP_READ | SECTION_MAP_EXECUTE;
SIZE_T size = 0;
NTSTATUS status;
WCHAR *filename;
@ -2749,9 +2748,10 @@ NTSTATUS virtual_map_builtin_module( HANDLE mapping, void **module )
if (!image_info) return STATUS_INVALID_PARAMETER;
*module = NULL;
*size = 0;
filename = (WCHAR *)(image_info + 1);
status = virtual_map_image( mapping, SECTION_MAP_READ | SECTION_MAP_EXECUTE,
module, &size, 0, shared_file, 0, image_info, filename, TRUE );
module, size, 0, shared_file, 0, image_info, filename, TRUE );
if (shared_file) NtClose( shared_file );
free( image_info );
return status;