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reloc: impl ARM_PREL31 handling

This commit is contained in:
occheung 2022-06-01 15:34:12 +08:00
parent 82ed46aca1
commit 690c6374ee
1 changed files with 10 additions and 2 deletions
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12
src/libdyld/src/reloc.rs
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@ -143,9 +143,17 @@ pub fn relocate<R: Relocatable>(
_ => unreachable!() _ => unreachable!()
} }
} }
} };
lib.image.write(rel.offset(), value) match rel.type_info() {
R_ARM_PREL31 => {
let reloc_word = lib.image.get_ref::<Elf32_Word>(rel.offset())
.ok_or("relocation offset cannot be read")?;
lib.image.write(rel.offset(), (reloc_word & 0x80000000) | (value & 0x7FFFFFFF))
},
_ => lib.image.write(rel.offset(), value),
}
} }
pub fn rebind( pub fn rebind(