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dyld: keep exidx p_vaddr as it is contained in LOAD sections already

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should fix Gitea issue #17
This commit is contained in:
Astro 2020-06-25 02:03:29 +02:00
parent 571ab66114
commit 654d65a6d5
1 changed files with 8 additions and 5 deletions
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13
src/libdyld/src/lib.rs
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@ -3,7 +3,7 @@
extern crate alloc;
extern crate log;
use core::{fmt, str, convert};
use core::{ops::Range, convert, fmt, str};
use alloc::{borrow::ToOwned, string::String, vec::Vec};
use log::{debug, trace};
use elf::*;
@ -60,7 +60,7 @@ fn elf_hash(name: &[u8]) -> u32 {
pub struct Library {
pub image: Image,
dyn_section: DynamicSection,
pub exidx: Vec<u8>,
exidx: Range<usize>,
}
impl Library {
@ -130,6 +130,10 @@ impl Library {
Ok(self.strtab().get(offset..offset + size)
.ok_or("cannot read symbol name")?)
}
pub fn exidx(&self) -> &[usize] {
self.image.get_ref_slice_unchecked(&self.exidx)
}
}
pub fn load(
@ -184,9 +188,8 @@ pub fn load(
dst.copy_from_slice(src);
}
PT_ARM_EXIDX => {
let src = file.get(file_range)
.ok_or("program header requests an out of bounds load (in file)")?;
exidx = Some(src.to_owned());
exidx = Some(phdr.p_vaddr as usize..
(phdr.p_vaddr + phdr.p_filesz) as usize);
}
_ => {}
}