Enum cranelift_codegen::ir::TrapCode

pub enum TrapCode {
    StackOverflow,
    HeapOutOfBounds,
    HeapMisaligned,
    TableOutOfBounds,
    IndirectCallToNull,
    BadSignature,
    IntegerOverflow,
    IntegerDivisionByZero,
    BadConversionToInteger,
    UnreachableCodeReached,
    Interrupt,
    User(u16),
    NullReference,
}

A trap code describing the reason for a trap.

All trap instructions have an explicit trap code.

Variants

StackOverflow

The current stack space was exhausted.

HeapOutOfBounds

A heap_addr instruction detected an out-of-bounds error.

Note that not all out-of-bounds heap accesses are reported this way; some are detected by a segmentation fault on the heap unmapped or offset-guard pages.

HeapMisaligned

A wasm atomic operation was presented with a not-naturally-aligned linear-memory address.

TableOutOfBounds

A table_addr instruction detected an out-of-bounds error.

IndirectCallToNull

Indirect call to a null table entry.

BadSignature

Signature mismatch on indirect call.

IntegerOverflow

An integer arithmetic operation caused an overflow.

IntegerDivisionByZero

An integer division by zero.

BadConversionToInteger

Failed float-to-int conversion.

UnreachableCodeReached

Code that was supposed to have been unreachable was reached.

Interrupt

Execution has potentially run too long and may be interrupted. This trap is resumable.

User(u16)

A user-defined trap code.

NullReference

A null reference was encountered which was required to be non-null.

Implementations

impl TrapCode

pub const fn non_user_traps() -> &'static [TrapCode]

Returns a slice of all traps except TrapCode::User traps

Trait Implementations

impl Clone for TrapCode

fn clone(&self) -> TrapCode

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for TrapCode

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

Formats the value using the given formatter.

impl Display for TrapCode

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

Formats the value using the given formatter.

impl FromStr for TrapCode

type Err = ()

The associated error which can be returned from parsing.

fn from_str(s: &str) -> Result<Self, Self::Err>

Parses a string s to return a value of this type.

impl Hash for TrapCode

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 PartialEq<TrapCode> for TrapCode

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

This method tests for self and other values to be equal, and is used by ==.

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

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

impl Copy for TrapCode

impl Eq for TrapCode

impl StructuralEq for TrapCode

impl StructuralPartialEq for TrapCode