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symcheck: Allow checking a standalone archive

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Provide an option to check without invoking Cargo first.
This commit is contained in:
Trevor Gross 2025-05-30 02:01:41 +00:00
parent 04909ba40a
commit 641fc3f092
1 changed files with 18 additions and 9 deletions
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27
library/compiler-builtins/crates/symbol-check/src/main.rs
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@ -24,6 +24,10 @@ Cargo will get invoked with `CARGO_ARGS` and the specified target. All output
`compiler_builtins*.rlib` files will be checked.
If TARGET is not specified, the host target is used.
check ARCHIVE_PATHS ...
Run the same checks on the given set of paths, without invoking Cargo.
";
fn main() {
@ -33,12 +37,14 @@ fn main() {
match &args_ref[1..] {
["build-and-check", target, "--", args @ ..] if !args.is_empty() => {
check_cargo_args(args);
run_build_and_check(target, args);
}
["build-and-check", "--", args @ ..] if !args.is_empty() => {
check_cargo_args(args);
run_build_and_check(&host_target(), args);
let target = &host_target();
run_build_and_check(target, args);
}
["check", paths @ ..] if !paths.is_empty() => {
check_paths(paths);
}
_ => {
println!("{USAGE}");
@ -47,22 +53,25 @@ fn main() {
}
}
/// Make sure `--target` isn't passed to avoid confusion (since it should be proivded only once,
/// positionally).
fn check_cargo_args(args: &[&str]) {
fn run_build_and_check(target: &str, args: &[&str]) {
// Make sure `--target` isn't passed to avoid confusion (since it should be
// proivded only once, positionally).
for arg in args {
assert!(
!arg.contains("--target"),
"target must be passed positionally. {USAGE}"
);
}
let paths = exec_cargo_with_args(target, args);
check_paths(&paths);
}
fn run_build_and_check(target: &str, args: &[&str]) {
let paths = exec_cargo_with_args(target, args);
fn check_paths<P: AsRef<Path>>(paths: &[P]) {
for path in paths {
let path = path.as_ref();
println!("Checking {}", path.display());
let archive = Archive::from_path(&path);
let archive = Archive::from_path(path);
verify_no_duplicates(&archive);
verify_core_symbols(&archive);