4cdc633301
Set Arg0 and CommandLineArgs in MCTargetoptions so LLVM outputs correct CL and CMD in LF_DEBUGINFO instead of empty/invalid values.
76 lines
2.1 KiB
Rust
76 lines
2.1 KiB
Rust
#![feature(rustc_private)]
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extern crate rustc_driver;
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extern crate rustc_interface;
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extern crate rustc_session;
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extern crate rustc_span;
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use rustc_interface::interface;
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use rustc_session::config::{Input, Options, OutFileName, OutputType, OutputTypes};
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use rustc_span::source_map::FileName;
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use std::path::PathBuf;
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fn main() {
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let src = r#"
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fn main() {}
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"#;
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let args: Vec<String> = std::env::args().collect();
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if args.len() < 4 {
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panic!("expected rustc path");
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}
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let tmpdir = PathBuf::from(&args[1]);
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let mut sysroot = PathBuf::from(&args[3]);
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sysroot.pop();
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sysroot.pop();
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compile(src.to_string(), tmpdir.join("out"), sysroot.clone());
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compile(src.to_string(), tmpdir.join("out"), sysroot.clone());
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}
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fn compile(code: String, output: PathBuf, sysroot: PathBuf) {
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let mut opts = Options::default();
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opts.output_types = OutputTypes::new(&[(OutputType::Exe, None)]);
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opts.maybe_sysroot = Some(sysroot);
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if let Ok(linker) = std::env::var("RUSTC_LINKER") {
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opts.cg.linker = Some(linker.into());
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}
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let name = FileName::anon_source_code(&code);
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let input = Input::Str { name, input: code };
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let config = interface::Config {
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opts,
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crate_cfg: Default::default(),
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crate_check_cfg: Default::default(),
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input,
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output_file: Some(OutFileName::Real(output)),
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output_dir: None,
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ice_file: None,
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file_loader: None,
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locale_resources: &[],
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lint_caps: Default::default(),
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parse_sess_created: None,
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register_lints: None,
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override_queries: None,
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make_codegen_backend: None,
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registry: rustc_driver::diagnostics_registry(),
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expanded_args: Default::default(),
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};
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interface::run_compiler(config, |compiler| {
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let linker = compiler.enter(|queries| {
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queries.global_ctxt()?.enter(|tcx| tcx.analysis(()))?;
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let ongoing_codegen = queries.ongoing_codegen()?;
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queries.linker(ongoing_codegen)
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});
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linker.unwrap().link().unwrap();
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});
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}
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