mirror of https://github.com/encounter/objdiff.git
52 lines
1.4 KiB
Rust
52 lines
1.4 KiB
Rust
use std::{borrow::Cow, collections::BTreeMap};
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use anyhow::{bail, Result};
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use object::{Architecture, Object, Relocation, RelocationFlags};
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use crate::{
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diff::DiffObjConfig,
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obj::{ObjIns, ObjReloc, ObjSection},
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};
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#[cfg(feature = "mips")]
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mod mips;
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#[cfg(feature = "ppc")]
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mod ppc;
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#[cfg(feature = "x86")]
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mod x86;
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pub trait ObjArch: Send + Sync {
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fn process_code(
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&self,
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config: &DiffObjConfig,
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data: &[u8],
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address: u64,
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relocs: &[ObjReloc],
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line_info: &Option<BTreeMap<u64, u64>>,
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) -> Result<ProcessCodeResult>;
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fn implcit_addend(&self, section: &ObjSection, address: u64, reloc: &Relocation)
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-> Result<i64>;
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fn demangle(&self, _name: &str) -> Option<String> { None }
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fn display_reloc(&self, flags: RelocationFlags) -> Cow<'static, str>;
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}
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pub struct ProcessCodeResult {
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pub ops: Vec<u16>,
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pub insts: Vec<ObjIns>,
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}
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pub fn new_arch(object: &object::File) -> Result<Box<dyn ObjArch>> {
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Ok(match object.architecture() {
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#[cfg(feature = "ppc")]
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Architecture::PowerPc => Box::new(ppc::ObjArchPpc::new(object)?),
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#[cfg(feature = "mips")]
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Architecture::Mips => Box::new(mips::ObjArchMips::new(object)?),
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#[cfg(feature = "x86")]
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Architecture::I386 | Architecture::X86_64 => Box::new(x86::ObjArchX86::new(object)?),
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arch => bail!("Unsupported architecture: {arch:?}"),
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})
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}
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