Enum wasmer_vm::TrapCode

#[repr(u32)]
pub enum TrapCode {
    StackOverflow,
    HeapAccessOutOfBounds,
    HeapMisaligned,
    TableAccessOutOfBounds,
    OutOfBounds,
    IndirectCallToNull,
    BadSignature,
    IntegerOverflow,
    IntegerDivisionByZero,
    BadConversionToInteger,
    UnreachableCodeReached,
    UnalignedAtomic,
}

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.

On some platforms, a stack overflow may also be indicated by a segmentation fault from the stack guard page.

HeapAccessOutOfBounds

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 heap_addr instruction was misaligned.

TableAccessOutOfBounds

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

OutOfBounds

Other bounds checking 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.

UnalignedAtomic

An atomic memory access was attempted with an unaligned pointer.

Implementations

impl TrapCode

pub fn message(&self) -> &str

Gets the message for this trap code

Trait Implementations

impl Archive for TrapCode

type Archived = ArchivedTrapCode

The archived representation of this type.

type Resolver = TrapCodeResolver

The resolver for this type. It must contain all the additional information from serializing needed to make the archived type from the normal type.

unsafe fn resolve(
    &self,
    pos: usize,
    resolver: <TrapCode as Archive>::Resolver,
    out: *mut <TrapCode as Archive>::Archived
)

Creates the archived version of this value at the given position and writes it to the given output.

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<(), Error>

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for TrapCode

fn deserialize<__D>(
    __deserializer: __D
) -> Result<TrapCode, <__D as Deserializer<'de>>::Error> where
    __D: Deserializer<'de>, 

Deserialize this value from the given Serde deserializer.

impl<__D> Deserialize<TrapCode, __D> for <TrapCode as Archive>::Archived where
    __D: Fallible + ?Sized, 

fn deserialize(
    &self,
    deserializer: &mut __D
) -> Result<TrapCode, <__D as Fallible>::Error>

Deserializes using the given deserializer

impl Display for TrapCode

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

Formats the value using the given formatter.

impl Error for TrapCode

fn source(&self) -> Option<&(dyn Error + 'static)>

The lower-level source of this error, if any.

fn backtrace(&self) -> Option<&Backtrace>

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

Returns a stack backtrace, if available, of where this error occurred.

fn description(&self) -> &str

👎 Deprecated since 1.42.0:

use the Display impl or to_string()

fn cause(&self) -> Option<&dyn Error>

👎 Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

impl FromStr for TrapCode

type Err = ()

The associated error which can be returned from parsing.

fn from_str(s: &str) -> Result<TrapCode, <TrapCode as FromStr>::Err>

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

impl Hash for TrapCode

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

Feeds this value into the given Hasher.

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

Feeds a slice of this type into the given Hasher.

impl MemoryUsage for TrapCode

fn size_of_val(&self, visited: &mut dyn MemoryUsageTracker) -> usize

Returns the size of the referenced value in bytes.

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 !=.

impl Serialize for TrapCode

fn serialize<__S>(
    &self,
    __serializer: __S
) -> Result<<__S as Serializer>::Ok, <__S as Serializer>::Error> where
    __S: Serializer, 

Serialize this value into the given Serde serializer.

impl<__S> Serialize<__S> for TrapCode where
    __S: Fallible + ?Sized, 

fn serialize(
    &self,
    serializer: &mut __S
) -> Result<<TrapCode as Archive>::Resolver, <__S as Fallible>::Error>

Writes the dependencies for the object and returns a resolver that can create the archived type.

impl Copy for TrapCode

impl Eq for TrapCode

impl StructuralEq for TrapCode

impl StructuralPartialEq for TrapCode