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Experimental ARM64 support

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Based on yaxpeax-arm, but with a heavy dose of
custom code to work around its limitations.

Please report any issues or unhandled relocations.
This commit is contained in:
Luke Street
2024-10-31 00:37:01 -06:00
parent 7f14b684bf
commit 424434edd6
13 changed files with 2930 additions and 20 deletions
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12
objdiff-core/src/arch/arm.rs
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@@ -124,11 +124,9 @@ impl ObjArch for ObjArchArm {
.get(&SectionIndex(section_index))
.map(|x| x.as_slice())
.unwrap_or(&fallback_mappings);
let first_mapping_idx =
match mapping_symbols.binary_search_by_key(&start_addr, |x| x.address) {
Ok(idx) => idx,
Err(idx) => idx - 1,
};
let first_mapping_idx = mapping_symbols
.binary_search_by_key(&start_addr, |x| x.address)
.unwrap_or_else(|idx| idx - 1);
let first_mapping = mapping_symbols[first_mapping_idx].mapping;
let mut mappings_iter =
@@ -215,7 +213,7 @@ impl ObjArch for ObjArchArm {
address: address as u64,
size: (parser.address - address) as u8,
op: ins.opcode_id(),
mnemonic: parsed_ins.mnemonic.to_string(),
mnemonic: Cow::Borrowed(parsed_ins.mnemonic),
args,
reloc,
branch_dest,
@@ -234,7 +232,7 @@ impl ObjArch for ObjArchArm {
section: &ObjSection,
address: u64,
reloc: &Relocation,
) -> anyhow::Result<i64> {
) -> Result<i64> {
let address = address as usize;
Ok(match reloc.flags() {
// ARM calls