wasmer_integration_tests_cli/
link_code.rs

1use crate::assets::*;
2use anyhow::bail;
3use std::path::PathBuf;
4use std::process::Command;
5
6/// Data used to run a linking command for generated artifacts.
7#[derive(Debug)]
8pub struct LinkCode {
9    /// The directory to operate in.
10    pub current_dir: PathBuf,
11    /// Path to the linker used to run the linking command.
12    pub linker_path: PathBuf,
13    /// String used as an optimization flag.
14    pub optimization_flag: String,
15    /// Paths of objects to link.
16    pub object_paths: Vec<PathBuf>,
17    /// Path to the output target.
18    pub output_path: PathBuf,
19    /// Path to the static libwasmer library.
20    pub libwasmer_path: PathBuf,
21}
22
23impl Default for LinkCode {
24    fn default() -> Self {
25        #[cfg(not(windows))]
26        let linker = "cc";
27        #[cfg(windows)]
28        let linker = "clang";
29        Self {
30            current_dir: std::env::current_dir().unwrap(),
31            linker_path: PathBuf::from(linker),
32            optimization_flag: String::from("-O2"),
33            object_paths: vec![],
34            output_path: PathBuf::from("a.out"),
35            libwasmer_path: get_libwasmer_path(),
36        }
37    }
38}
39
40impl LinkCode {
41    pub fn run(&self) -> anyhow::Result<()> {
42        let mut command = Command::new(&self.linker_path);
43        let command = command
44            .current_dir(&self.current_dir)
45            .arg(&self.optimization_flag)
46            .args(
47                self.object_paths
48                    .iter()
49                    .map(|path| path.canonicalize().unwrap()),
50            )
51            .arg(&self.libwasmer_path.canonicalize()?);
52        #[cfg(windows)]
53        let command = command
54            .arg("-luserenv")
55            .arg("-lWs2_32")
56            .arg("-ladvapi32")
57            .arg("-lbcrypt");
58        #[cfg(not(windows))]
59        let command = command.arg("-ldl").arg("-lm").arg("-pthread");
60        let output = command.arg("-o").arg(&self.output_path).output()?;
61
62        if !output.status.success() {
63            bail!(
64                "linking failed with: stdout: {}\n\nstderr: {}",
65                std::str::from_utf8(&output.stdout)
66                    .expect("stdout is not utf8! need to handle arbitrary bytes"),
67                std::str::from_utf8(&output.stderr)
68                    .expect("stderr is not utf8! need to handle arbitrary bytes")
69            );
70        }
71        Ok(())
72    }
73}
wasmer_integration_tests_cli/link_code.rs

wasmer_integration_tests_cli/
link_code.rs
