Struct rustc_mir::interpret::Memory

pub struct Memory<'a, 'mir, 'tcx: 'a + 'mir, M: Machine<'mir, 'tcx>> {
    pub data: M::MemoryData,
    pub cur_frame: usize,
    pub tcx: TyCtxtAt<'a, 'tcx, 'tcx>,
    // some fields omitted
}

🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

Fields

data: M::MemoryData

🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

Additional data required by the Machine

cur_frame: usize

🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

The current stack frame. Used to check accesses against locks.

tcx: TyCtxtAt<'a, 'tcx, 'tcx>

🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

Methods

impl<'a, 'mir, 'tcx, M: Machine<'mir, 'tcx>> Memory<'a, 'mir, 'tcx, M>

pub fn new(tcx: TyCtxtAt<'a, 'tcx, 'tcx>, data: M::MemoryData) -> Self

🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

pub fn allocations<'x>(     &'x self ) -> impl Iterator<Item = (AllocId, &'x Allocation)>

🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

pub fn create_fn_alloc(&mut self, instance: Instance<'tcx>) -> MemoryPointer

🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

pub fn allocate_cached(&mut self, bytes: &[u8]) -> MemoryPointer

🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

pub fn allocate(     &mut self,     size: u64,     align: Align,     kind: Option<MemoryKind<M::MemoryKinds>> ) -> EvalResult<'tcx, MemoryPointer>

🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

kind is None for statics

pub fn reallocate(     &mut self,     ptr: MemoryPointer,     old_size: u64,     old_align: Align,     new_size: u64,     new_align: Align,     kind: MemoryKind<M::MemoryKinds> ) -> EvalResult<'tcx, MemoryPointer>

🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

pub fn deallocate_local(&mut self, ptr: MemoryPointer) -> EvalResult<'tcx>

🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

pub fn deallocate(     &mut self,     ptr: MemoryPointer,     size_and_align: Option<(u64, Align)>,     kind: MemoryKind<M::MemoryKinds> ) -> EvalResult<'tcx>

🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

pub fn pointer_size(&self) -> u64

🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

pub fn endianness(&self) -> Endian

🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

pub fn check_align(     &self,     ptr: Pointer,     required_align: Align ) -> EvalResult<'tcx>

🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

Check that the pointer is aligned AND non-NULL.

pub fn check_bounds(&self, ptr: MemoryPointer, access: bool) -> EvalResult<'tcx>

🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

impl<'a, 'mir, 'tcx, M: Machine<'mir, 'tcx>> Memory<'a, 'mir, 'tcx, M>

Allocation accessors

pub fn get(&self, id: AllocId) -> EvalResult<'tcx, &Allocation>

🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

pub fn get_fn(&self, ptr: MemoryPointer) -> EvalResult<'tcx, Instance<'tcx>>

🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

pub fn dump_alloc(&self, id: AllocId)

🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

For debugging, print an allocation and all allocations it points to, recursively.

pub fn dump_allocs(&self, allocs: Vec<AllocId>)

🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

For debugging, print a list of allocations and all allocations they point to, recursively.

pub fn leak_report(&self) -> usize

🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

impl<'a, 'mir, 'tcx, M: Machine<'mir, 'tcx>> Memory<'a, 'mir, 'tcx, M>

Reading and writing

pub fn mark_static_initialized(     &mut self,     alloc_id: AllocId,     mutability: Mutability ) -> EvalResult<'tcx>

🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

mark an allocation as static and initialized, either mutable or not

pub fn copy(     &mut self,     src: Pointer,     src_align: Align,     dest: Pointer,     dest_align: Align,     size: u64,     nonoverlapping: bool ) -> EvalResult<'tcx>

🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

pub fn read_c_str(&self, ptr: MemoryPointer) -> EvalResult<'tcx, &[u8]>

🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

pub fn read_bytes(&self, ptr: Pointer, size: u64) -> EvalResult<'tcx, &[u8]>

🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

pub fn write_bytes(&mut self, ptr: Pointer, src: &[u8]) -> EvalResult<'tcx>

🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

pub fn write_repeat(     &mut self,     ptr: Pointer,     val: u8,     count: u64 ) -> EvalResult<'tcx>

🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

pub fn read_primval(     &self,     ptr: MemoryPointer,     ptr_align: Align,     size: u64 ) -> EvalResult<'tcx, PrimVal>

🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

pub fn read_ptr_sized(     &self,     ptr: MemoryPointer,     ptr_align: Align ) -> EvalResult<'tcx, PrimVal>

🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

pub fn write_primval(     &mut self,     ptr: MemoryPointer,     ptr_align: Align,     val: PrimVal,     size: u64,     signed: bool ) -> EvalResult<'tcx>

🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

pub fn write_ptr_sized_unsigned(     &mut self,     ptr: MemoryPointer,     ptr_align: Align,     val: PrimVal ) -> EvalResult<'tcx>

🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

impl<'a, 'mir, 'tcx, M: Machine<'mir, 'tcx>> Memory<'a, 'mir, 'tcx, M>

Undefined bytes

pub fn mark_definedness(     &mut self,     ptr: Pointer,     size: u64,     new_state: bool ) -> EvalResult<'tcx>

🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

Trait Implementations

impl<'a, 'mir, 'tcx, M: Machine<'mir, 'tcx>> HasMemory<'a, 'mir, 'tcx, M> for Memory<'a, 'mir, 'tcx, M>

fn memory_mut(&mut self) -> &mut Memory<'a, 'mir, 'tcx, M>

🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

fn memory(&self) -> &Memory<'a, 'mir, 'tcx, M>

🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

fn into_ptr(&self, value: Value) -> EvalResult<'tcx, Pointer>

🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

Convert the value into a pointer (or a pointer-sized integer). If the value is a ByRef, this may have to perform a load.

fn into_ptr_vtable_pair(     &self,     value: Value ) -> EvalResult<'tcx, (Pointer, MemoryPointer)>

🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

fn into_slice(&self, value: Value) -> EvalResult<'tcx, (Pointer, u64)>

🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

impl<'a, 'mir, 'tcx, M: Machine<'mir, 'tcx>> HasDataLayout for &'a Memory<'a, 'mir, 'tcx, M>

fn data_layout(&self) -> &TargetDataLayout

🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?