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more hardcoding

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Folkert 2022-08-23 21:15:32 +02:00
parent df77b8bac1
commit daee025ff6
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1 changed files with 10 additions and 67 deletions
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77
crates/linker/src/generate_dylib.rs
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@ -63,9 +63,6 @@ struct Sections {
dynsym: Section, dynsym: Section,
dynstr: Section, dynstr: Section,
dynamic: Section, dynamic: Section,
symtab: Section,
strtab: Section,
shstrtab: Section,
} }
#[derive(Default)] #[derive(Default)]
@ -78,21 +75,6 @@ struct Addresses {
} }
impl Sections { impl Sections {
fn iter(&self) -> impl Iterator<Item = (usize, &'_ Section)> + '_ {
[
&self.hash,
&self.gnu_hash,
&self.dynsym,
&self.dynstr,
&self.dynamic,
&self.symtab,
&self.strtab,
&self.shstrtab,
]
.into_iter()
.enumerate()
}
fn reserve_alloc_sections( fn reserve_alloc_sections(
&self, &self,
writer: &mut Writer, writer: &mut Writer,
@ -201,60 +183,21 @@ fn copy_file(in_data: &[u8], custom_names: &[String]) -> Result<Vec<u8>, Box<dyn
dynsym: help(b".dynsym" as &[_]), dynsym: help(b".dynsym" as &[_]),
dynstr: help(b".dynstr" as &[_]), dynstr: help(b".dynstr" as &[_]),
dynamic: help(b".dynamic" as &[_]), dynamic: help(b".dynamic" as &[_]),
symtab: help(b".symtab" as &[_]),
strtab: help(b".strtab" as &[_]),
shstrtab: help(b".shstrtab" as &[_]),
}; };
let mut out_data = Vec::new(); let mut out_data = Vec::new();
let mut writer = object::write::elf::Writer::new(endian, in_elf.is_class_64(), &mut out_data); let mut writer = object::write::elf::Writer::new(endian, in_elf.is_class_64(), &mut out_data);
// Find metadata sections, and assign section indices. let out_sections_index = [
let mut out_sections_index = Vec::with_capacity(in_sections.len()); writer.reserve_hash_section_index(),
for (_enum_index, section) in sections.iter() { writer.reserve_gnu_hash_section_index(),
let i = section.in_index; writer.reserve_dynsym_section_index(),
let in_section = &section.section; writer.reserve_dynstr_section_index(),
writer.reserve_dynamic_section_index(),
let index; writer.reserve_symtab_section_index(),
match in_section.sh_type(endian) { writer.reserve_strtab_section_index(),
elf::SHT_STRTAB => { writer.reserve_shstrtab_section_index(),
if i == in_syms.string_section().0 { ];
index = writer.reserve_strtab_section_index();
} else if i == in_dynsyms.string_section().0 {
index = writer.reserve_dynstr_section_index();
} else if i == in_elf.shstrndx(endian, in_data)? as usize {
index = writer.reserve_shstrtab_section_index();
} else {
panic!("Unsupported string section {}", i);
}
}
elf::SHT_SYMTAB => {
debug_assert!(i == in_syms.section().0);
index = writer.reserve_symtab_section_index();
}
elf::SHT_SYMTAB_SHNDX => {
debug_assert!(i == in_syms.shndx_section().0);
index = writer.reserve_symtab_shndx_section_index();
}
elf::SHT_DYNSYM => {
debug_assert!(i == in_dynsyms.section().0);
index = writer.reserve_dynsym_section_index();
}
elf::SHT_DYNAMIC => {
index = writer.reserve_dynamic_section_index();
}
elf::SHT_HASH => {
index = writer.reserve_hash_section_index();
}
elf::SHT_GNU_HASH => {
index = writer.reserve_gnu_hash_section_index();
}
other => {
panic!("Unsupported section type {:x}", other);
}
}
out_sections_index.push(index);
}
// Assign dynamic strings. // Assign dynamic strings.
// //