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use crate::lib::std::vec::Vec;
use crate::Relocation;
use wasmer_types::entity::entity_impl;
#[derive(rkyv::Serialize, rkyv::Deserialize, rkyv::Archive)]
#[archive_attr(derive(Copy, Clone, PartialEq, Eq, Hash, PartialOrd, Ord, Debug))]
#[derive(Copy, Clone, PartialEq, Eq, Hash, PartialOrd, Ord, Debug)]
pub struct SectionIndex(u32);
entity_impl!(SectionIndex);
entity_impl!(ArchivedSectionIndex);
#[derive(rkyv::Serialize, rkyv::Deserialize, rkyv::Archive, Debug, Copy, Clone, PartialEq, Eq)]
pub enum CustomSectionProtection {
Read,
ReadExecute,
}
#[derive(rkyv::Serialize, rkyv::Deserialize, rkyv::Archive, Debug, Clone, PartialEq, Eq)]
pub struct CustomSection {
pub protection: CustomSectionProtection,
pub bytes: SectionBody,
pub relocations: Vec<Relocation>,
}
#[derive(Clone, Copy)]
pub struct CustomSectionRef<'a> {
pub protection: CustomSectionProtection,
pub bytes: &'a [u8],
}
impl<'a> From<&'a CustomSection> for CustomSectionRef<'a> {
fn from(section: &'a CustomSection) -> Self {
CustomSectionRef {
protection: section.protection.clone(),
bytes: section.bytes.as_slice(),
}
}
}
impl<'a> From<&'a ArchivedCustomSection> for CustomSectionRef<'a> {
fn from(section: &'a ArchivedCustomSection) -> Self {
CustomSectionRef {
protection: Result::<_, std::convert::Infallible>::unwrap(
rkyv::Deserialize::deserialize(§ion.protection, &mut rkyv::Infallible),
),
bytes: §ion.bytes.0[..],
}
}
}
#[derive(
rkyv::Serialize, rkyv::Deserialize, rkyv::Archive, Debug, Clone, PartialEq, Eq, Default,
)]
pub struct SectionBody(Vec<u8>);
impl SectionBody {
pub fn new_with_vec(contents: Vec<u8>) -> Self {
Self(contents)
}
pub fn as_ptr(&self) -> *const u8 {
self.0.as_ptr()
}
pub fn len(&self) -> usize {
self.0.len()
}
pub fn as_slice(&self) -> &[u8] {
self.0.as_slice()
}
pub fn is_empty(&self) -> bool {
self.0.is_empty()
}
}