Trait CodeSink

pub trait CodeSink {
    // Required methods
    fn put1(&mut self, _: u8);
    fn put2(&mut self, _: u16);
    fn put4(&mut self, _: u32);
    fn put8(&mut self, _: u64);
    fn add_trap(&mut self, code: TrapCode);
    fn use_target(&mut self, target: DeferredTarget);
    fn known_offset(&self, offset: KnownOffset) -> i32;
}

Describe how an instruction is emitted into a code buffer.

Required Methods

fn put1(&mut self, _: u8)

Add 1 byte to the code section.

fn put2(&mut self, _: u16)

Add 2 bytes to the code section.

fn put4(&mut self, _: u32)

Add 4 bytes to the code section.

fn put8(&mut self, _: u64)

Add 8 bytes to the code section.

fn add_trap(&mut self, code: TrapCode)

Inform the code buffer of a possible trap at the current location; required for assembling memory accesses.

fn use_target(&mut self, target: DeferredTarget)

Inform the code buffer that a use of target is about to happen at the current offset.

After this method is called the bytes of the target are then expected to be placed using one of the above put* methods.

fn known_offset(&self, offset: KnownOffset) -> i32

Resolves a KnownOffset value to the actual signed offset.

Implementations on Foreign Types

impl CodeSink for Vec<u8>

Provide a convenient implementation for testing.

fn put1(&mut self, v: u8)

fn put2(&mut self, v: u16)

fn put4(&mut self, v: u32)

fn put8(&mut self, v: u64)

fn add_trap(&mut self, _: TrapCode)

fn use_target(&mut self, _: DeferredTarget)

fn known_offset(&self, offset: KnownOffset) -> i32

Implementors