Noratrieb/my-binary-is-thicc-af
1
0
Fork 0
mirror of https://github.com/Noratrieb/my-binary-is-thicc-af.git synced 2026-01-16 20:55:06 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions

run instruction

Browse source
This commit is contained in:
nora 2023-07-02 13:37:50 +02:00
parent 321af3e846
commit c50057a145
2 changed files with 18 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

11
README.md Normal file
View file

@ -0,0 +1,11 @@
# Rust binary size analyzer
How to use:
`cd client && npm i && npm run dev`
In a separate shell:
`cargo run --release BINARY_PATH > client/groups.json`
Note: The symbol parsing code is extremely cursed. This may lead to very wonky results.

8
src/main.rs
View file

@ -17,6 +17,8 @@ fn main() -> Result<()> {
.nth(1) .nth(1)
.unwrap_or("./target/debug/my-binary-is-thicc-af".into()); .unwrap_or("./target/debug/my-binary-is-thicc-af".into());
let limit = 10;
let data = std::fs::read(&path).wrap_err_with(|| format!("error opening `{path}`"))?; let data = std::fs::read(&path).wrap_err_with(|| format!("error opening `{path}`"))?;
let object = object::File::parse(data.as_slice()).context("could not parse object file")?; let object = object::File::parse(data.as_slice()).context("could not parse object file")?;
@ -54,7 +56,11 @@ fn main() -> Result<()> {
let mut root_groups = Groups(HashMap::new()); let mut root_groups = Groups(HashMap::new());
for (sym, size) in symbol_sizes { for (sym, size) in symbol_sizes {
let components = symbol_components(sym).with_context(|| sym.to_string())?; let mut components = symbol_components(sym).with_context(|| sym.to_string())?;
if components.len() > limit {
components.truncate(limit);
}
add_to_group(&mut root_groups, components, size); add_to_group(&mut root_groups, components, size);
} }