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use header::{Tag, TagIter};
#[repr(packed)]
#[derive(Debug)]
pub struct ModuleTag {
typ: u32,
size: u32,
mod_start: u32,
mod_end: u32,
name_byte: u8,
}
impl ModuleTag {
pub fn name(&self) -> &str {
use core::{mem,str,slice};
let strlen = self.size as usize - mem::size_of::<ModuleTag>();
unsafe {
str::from_utf8_unchecked(
slice::from_raw_parts(&self.name_byte as *const u8, strlen))
}
}
pub fn start_address(&self) -> u32 {
self.mod_start
}
pub fn end_address(&self) -> u32 {
self.mod_end
}
}
pub struct ModuleIter {
pub iter: TagIter,
}
impl Iterator for ModuleIter {
type Item = &'static ModuleTag;
fn next(&mut self) -> Option<&'static ModuleTag> {
self.iter.find(|x| x.typ == 3)
.map(|tag| unsafe{&*(tag as *const Tag as *const ModuleTag)})
}
}