Struct miri::borrow_tracker::GlobalStateInner
source · pub struct GlobalStateInner {
pub borrow_tracker_method: BorrowTrackerMethod,
pub next_ptr_tag: BorTag,
pub base_ptr_tags: FxHashMap<AllocId, BorTag>,
pub next_call_id: CallId,
pub protected_tags: FxHashMap<BorTag, ProtectorKind>,
pub tracked_pointer_tags: FxHashSet<BorTag>,
pub tracked_call_ids: FxHashSet<CallId>,
pub retag_fields: RetagFields,
pub unique_is_unique: bool,
}
Expand description
Extra global state, available to the memory access hooks.
Fields§
§borrow_tracker_method: BorrowTrackerMethod
Borrow tracker method currently in use.
next_ptr_tag: BorTag
Next unused pointer ID (tag).
Table storing the “base” tag for each allocation. The base tag is the one used for the initial pointer. We need this in a separate table to handle cyclic statics.
next_call_id: CallId
Next unused call ID (for protectors).
All currently protected tags.
An item is protected if its tag is in this set, and it has the “protected” bit set.
We add tags to this when they are created with a protector in reborrow
, and
we remove tags from this when the call which is protecting them returns, in
GlobalStateInner::end_call
. See Stack::item_popped
for more details.
The pointer ids to trace
tracked_call_ids: FxHashSet<CallId>
The call ids to trace
retag_fields: RetagFields
Whether to recurse into datatypes when searching for pointers to retag.
unique_is_unique: bool
Whether core::ptr::Unique
gets special (Box
-like) handling.
Implementations§
source§impl GlobalStateInner
impl GlobalStateInner
Utilities for initialization and ID generation
pub fn new( borrow_tracker_method: BorrowTrackerMethod, tracked_pointer_tags: FxHashSet<BorTag>, tracked_call_ids: FxHashSet<CallId>, retag_fields: RetagFields, unique_is_unique: bool ) -> Self
sourcepub fn new_ptr(&mut self) -> BorTag
pub fn new_ptr(&mut self) -> BorTag
Generates a new pointer tag. Remember to also check track_pointer_tags and log its creation!
pub fn new_frame(&mut self, machine: &MiriMachine<'_, '_>) -> FrameState
pub fn end_call(&mut self, frame: &FrameExtra<'_>)
pub fn base_ptr_tag( &mut self, id: AllocId, machine: &MiriMachine<'_, '_> ) -> BorTag
source§impl GlobalStateInner
impl GlobalStateInner
pub fn new_allocation( &mut self, id: AllocId, alloc_size: Size, kind: MemoryKind<MiriMemoryKind>, machine: &MiriMachine<'_, '_> ) -> AllocState
Trait Implementations§
source§impl Debug for GlobalStateInner
impl Debug for GlobalStateInner
source§impl VisitTags for GlobalStateInner
impl VisitTags for GlobalStateInner
Auto Trait Implementations§
impl RefUnwindSafe for GlobalStateInner
impl Send for GlobalStateInner
impl Sync for GlobalStateInner
impl Unpin for GlobalStateInner
impl UnwindSafe for GlobalStateInner
Blanket Implementations§
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Layout§
Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...)
attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.
Size: 152 bytes