Struct CallIndirectHost

pub struct CallIndirectHost {
    pub sig: u8,
}

A special opcode to use an indirect function call to reenter the host from the interpreter.

This is used to implement host intrinsics such as memory.grow for example where that needs to reenter the host from the interpreter.

The sig immediate here is the Nth signature in the for_each_host_signature! macro below. The 0th “argument”, in register x0, is the function pointer that’s being called and all further arguments follow after that in registers.

Fields

sig: u8

Implementations

impl CallIndirectHost

pub fn encode<E>(&self, into: &mut E)

where E: Extend<u8>,

Available on crate feature encode only.

Encode this CallIndirectHost op into the given sink.

Trait Implementations

impl<'arbitrary> Arbitrary<'arbitrary> for CallIndirectHost

fn arbitrary(u: &mut Unstructured<'arbitrary>) -> Result<Self>

Generate an arbitrary value of Self from the given unstructured data.

fn arbitrary_take_rest(u: Unstructured<'arbitrary>) -> Result<Self>

Generate an arbitrary value of Self from the entirety of the given unstructured data.

fn size_hint(depth: usize) -> (usize, Option<usize>)

Get a size hint for how many bytes out of an Unstructured this type needs to construct itself.

impl Clone for CallIndirectHost

fn clone(&self) -> CallIndirectHost

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for CallIndirectHost

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

Formats the value using the given formatter.

impl From<CallIndirectHost> for ExtendedOp

fn from(op: CallIndirectHost) -> Self

Converts to this type from the input type.

impl From<CallIndirectHost> for Op

fn from(op: CallIndirectHost) -> Self

Converts to this type from the input type.

impl Hash for CallIndirectHost

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl Ord for CallIndirectHost

fn cmp(&self, other: &CallIndirectHost) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized,

Restrict a value to a certain interval.

impl PartialEq for CallIndirectHost

fn eq(&self, other: &CallIndirectHost) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialOrd for CallIndirectHost

fn partial_cmp(&self, other: &CallIndirectHost) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

fn lt(&self, other: &Rhs) -> bool

Tests less than (for self and other) and is used by the < operator.

fn le(&self, other: &Rhs) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator.

fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator.

fn ge(&self, other: &Rhs) -> bool

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl Copy for CallIndirectHost

impl Eq for CallIndirectHost

impl StructuralPartialEq for CallIndirectHost