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Versions: 38
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Contents
//! Contains the encoding machinery for the various x64 instruction formats.
use crate::{isa::x64, machinst::MachBuffer};
use std::vec::Vec;
pub mod evex;
pub mod rex;
pub mod vex;
/// The encoding formats in this module all require a way of placing bytes into
/// a buffer.
pub trait ByteSink {
/// Add 1 byte to the code section.
fn put1(&mut self, _: u8);
/// Add 2 bytes to the code section.
fn put2(&mut self, _: u16);
/// Add 4 bytes to the code section.
fn put4(&mut self, _: u32);
/// Add 8 bytes to the code section.
fn put8(&mut self, _: u64);
}
impl ByteSink for MachBuffer<x64::inst::Inst> {
fn put1(&mut self, value: u8) {
self.put1(value)
}
fn put2(&mut self, value: u16) {
self.put2(value)
}
fn put4(&mut self, value: u32) {
self.put4(value)
}
fn put8(&mut self, value: u64) {
self.put8(value)
}
}
/// Provide a convenient implementation for testing.
impl ByteSink for Vec<u8> {
fn put1(&mut self, v: u8) {
self.extend_from_slice(&[v])
}
fn put2(&mut self, v: u16) {
self.extend_from_slice(&v.to_le_bytes())
}
fn put4(&mut self, v: u32) {
self.extend_from_slice(&v.to_le_bytes())
}
fn put8(&mut self, v: u64) {
self.extend_from_slice(&v.to_le_bytes())
}
}
Version data entries
38 entries across 38 versions & 1 rubygems