rust-lang / rust-lang/rust-analyzer

[feat] show current function assembly code

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Description

feat

show current function assembly code

description

https://github.com/pacak/cargo-show-asm

Integrate cargo-show-asm into rust-analyzer.

#[inline(never)]
pub fn add42(x: u8) -> u8 {
    let mut a: u8 = x;
    a += 21u8;
    a += 21u8;
    a
}
$ cargo asm --simplify --lib -p cargo_show_asm_example cargo_show_asm_example::add42 2>/dev/null
cargo_show_asm_example::add42:
        lea eax, [rdi + 42]
        ret

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reviewing the issue's cargo-show-asm reference and the shown cargo asm --simplify --lib invocation to understand the requested output. Identify the rust-analyzer integration entry point and define how the current function's assembly should be displayed; done means rust-analyzer can show that assembly for the selected function.

Written by the indexing model from the issue text.

Assessment

Tech stack
rust
Domain
tooling
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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