Struct CoverageBitmap 

pub struct CoverageBitmap {
    pub edges: Vec<u8>,
    pub covered_edges: usize,
}

AFL-style coverage bitmap (65536 entries is standard)

Fields

edges: Vec<u8>

Hit counts for each edge (reduce to 0-255 in AFL style)

covered_edges: usize

Total edges with non-zero hit count

Implementations

impl CoverageBitmap

pub fn new() -> Self

pub fn record_edge(&mut self, prev: usize, cur: usize) -> bool

Record an edge transition (prev → cur)

pub fn has_new_coverage(&self, global: &CoverageBitmap) -> bool

Check if this bitmap has new coverage compared to the global one

pub fn merge(&mut self, global: &CoverageBitmap)

Merge global coverage with this bitmap

Trait Implementations

impl Clone for CoverageBitmap

fn clone(&self) -> CoverageBitmap

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for CoverageBitmap

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

Formats the value using the given formatter.

impl Default for CoverageBitmap

fn default() -> Self

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for CoverageBitmap

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for CoverageBitmap

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

where __S: Serializer,

Serialize this value into the given Serde serializer.