pub struct GlobalStateInner {
    int_to_ptr_map: Vec<(u64, AllocId)>,
    base_addr: FxHashMap<AllocId, u64>,
    exposed: FxHashSet<AllocId>,
    next_base_addr: u64,
    provenance_mode: ProvenanceMode,
}

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§int_to_ptr_map: Vec<(u64, AllocId)>

This is used as a map between the address of each allocation and its AllocId. It is always sorted by address. We cannot use a HashMap since we can be given an address that is offset from the base address, and we need to find the AllocId it belongs to. This is not the full inverse of base_addr; dead allocations have been removed.

§base_addr: FxHashMap<AllocId, u64>

The base address for each allocation. We cannot put that into AllocExtra because function pointers also have a base address, and they do not have an AllocExtra. This is the inverse of int_to_ptr_map.

§exposed: FxHashSet<AllocId>

Whether an allocation has been exposed or not. This cannot be put into AllocExtra for the same reason as base_addr.

§next_base_addr: u64

This is used as a memory address when a new pointer is casted to an integer. It is always larger than any address that was previously made part of a block.

§provenance_mode: ProvenanceMode

The provenance to use for int2ptr casts

Implementations§

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impl GlobalStateInner

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pub fn new(config: &MiriConfig, stack_addr: u64) -> Self

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pub fn remove_unreachable_allocs(&mut self, allocs: &LiveAllocs<'_, '_, '_>)

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impl GlobalStateInner

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pub fn free_alloc_id(&mut self, dead_id: AllocId)

Trait Implementations§

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impl Clone for GlobalStateInner

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fn clone(&self) -> GlobalStateInner

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for GlobalStateInner

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl VisitProvenance for GlobalStateInner

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fn visit_provenance(&self, _visit: &mut VisitWith<'_>)

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Alignment of Self.
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Gets the TypeId of self. Read more
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Dereferences the given pointer. Read more
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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: 104 bytes