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strip hash some more

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Folkert 2022-08-23 14:48:13 +02:00
parent 9b2a43639b
commit 164265f315
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GPG key ID: 1F17F6FFD112B97C
1 changed files with 6 additions and 22 deletions
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28
crates/linker/src/generate_dylib.rs
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@ -49,7 +49,6 @@ struct DynamicSymbol {
in_sym: usize,
name: Option<object::write::StringId>,
section: Option<object::write::elf::SectionIndex>,
hash: Option<u32>,
gnu_hash: Option<u32>,
}
@ -349,7 +348,6 @@ fn copy_file(in_data: &[u8], custom_names: &[String]) -> Result<Vec<u8>, Box<dyn
let in_name = name.as_bytes();
let name = Some(writer.add_dynamic_string(in_name));
let hash = Some(elf::hash(in_name));
let gnu_hash = Some(elf::gnu_hash(in_name));
// .dynamic
@ -359,7 +357,6 @@ fn copy_file(in_data: &[u8], custom_names: &[String]) -> Result<Vec<u8>, Box<dyn
in_sym: i,
name,
section,
hash,
gnu_hash,
})
}
@ -370,7 +367,6 @@ fn copy_file(in_data: &[u8], custom_names: &[String]) -> Result<Vec<u8>, Box<dyn
}
// Hash parameters.
let hash_index_base = 1;
let hash_chain_count = writer.dynamic_symbol_count();
// GNU hash parameters.
@ -482,29 +478,17 @@ fn copy_file(in_data: &[u8], custom_names: &[String]) -> Result<Vec<u8>, Box<dyn
writer.pad_until(offsets[0]);
let hash = in_hash.as_ref().unwrap();
writer.write_hash(hash.bucket_count.get(endian), hash_chain_count, |index| {
out_dynsyms
.get(index.checked_sub(hash_index_base)? as usize)?
.hash
});
writer.write_hash(hash.bucket_count.get(endian), hash_chain_count, |_| None);
}
{
writer.pad_until(offsets[1]);
let gnu_hash = in_gnu_hash.as_ref().unwrap();
writer.write_gnu_hash(
gnu_hash_symbol_base,
gnu_hash.bloom_shift.get(endian),
gnu_hash.bloom_count.get(endian),
gnu_hash.bucket_count.get(endian),
gnu_hash_symbol_count,
|index| {
out_dynsyms[gnu_hash_index_base + index as usize]
.gnu_hash
.unwrap()
},
);
writer.write_gnu_hash(1, 0, 1, 1, gnu_hash_symbol_count, |index| {
out_dynsyms[gnu_hash_index_base + index as usize]
.gnu_hash
.unwrap()
});
}
{