169 lines
3.7 KiB
Rust
169 lines
3.7 KiB
Rust
#![allow(dead_code)]
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use anyhow::{bail, format_err, Result};
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use filecheck::{CheckerBuilder, NO_VARIABLES};
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use std::env;
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use std::io::Write;
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use std::process::Command;
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use tempfile::NamedTempFile;
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fn lldb_with_script(args: &[&str], script: &str) -> Result<String> {
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let lldb_path = env::var("LLDB").unwrap_or("lldb".to_string());
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let mut cmd = Command::new(&lldb_path);
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cmd.arg("--batch");
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if cfg!(target_os = "macos") {
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cmd.args(&["-o", "settings set plugin.jit-loader.gdb.enable on"]);
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}
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let mut script_file = NamedTempFile::new()?;
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script_file.write(script.as_bytes())?;
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let script_path = script_file.path().to_str().unwrap();
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cmd.args(&["-s", &script_path]);
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let mut me = std::env::current_exe().expect("current_exe specified");
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me.pop(); // chop off the file name
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me.pop(); // chop off `deps`
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me.push("wasmtime");
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cmd.arg(me);
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cmd.arg("--");
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cmd.args(args);
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let output = cmd.output().expect("success");
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if !output.status.success() {
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bail!(
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"failed to execute {:?}: {}",
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cmd,
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String::from_utf8_lossy(&output.stderr),
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);
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}
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Ok(String::from_utf8(output.stdout)?)
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}
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fn check_lldb_output(output: &str, directives: &str) -> Result<()> {
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let mut builder = CheckerBuilder::new();
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builder
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.text(directives)
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.map_err(|e| format_err!("unable to build checker: {:?}", e))?;
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let checker = builder.finish();
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let check = checker
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.explain(output, NO_VARIABLES)
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.map_err(|e| format_err!("{:?}", e))?;
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assert!(check.0, "didn't pass check {}", check.1);
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Ok(())
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}
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#[test]
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#[ignore]
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#[cfg(all(
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any(target_os = "linux", target_os = "macos"),
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target_pointer_width = "64"
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))]
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pub fn test_debug_dwarf_lldb() -> Result<()> {
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let output = lldb_with_script(
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&[
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"-g",
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"tests/all/debug/testsuite/fib-wasm.wasm",
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"--invoke",
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"fib",
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"3",
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],
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r#"b fib
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r
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fr v
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c"#,
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)?;
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check_lldb_output(
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&output,
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r#"
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check: Breakpoint 1: no locations (pending)
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check: Unable to resolve breakpoint to any actual locations.
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check: 1 location added to breakpoint 1
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check: stop reason = breakpoint 1.1
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check: frame #0
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sameln: JIT
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sameln: fib(n=3)
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check: n = 3
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check: a = 0
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check: resuming
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check: exited with status
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"#,
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)?;
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Ok(())
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}
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#[test]
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#[ignore]
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#[cfg(all(
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any(target_os = "linux", target_os = "macos"),
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target_pointer_width = "64"
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))]
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pub fn test_debug_dwarf5_lldb() -> Result<()> {
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let output = lldb_with_script(
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&[
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"-g",
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"tests/all/debug/testsuite/fib-wasm-dwarf5.wasm",
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"--invoke",
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"fib",
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"3",
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],
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r#"b fib
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r
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fr v
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c"#,
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)?;
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check_lldb_output(
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&output,
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r#"
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check: Breakpoint 1: no locations (pending)
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check: Unable to resolve breakpoint to any actual locations.
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check: 1 location added to breakpoint 1
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check: stop reason = breakpoint 1.1
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check: frame #0
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sameln: JIT
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sameln: fib(n=3)
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check: n = 3
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check: a = 0
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check: resuming
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check: exited with status
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"#,
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)?;
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Ok(())
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}
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#[test]
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#[ignore]
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#[cfg(all(
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any(target_os = "linux", target_os = "macos"),
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target_pointer_width = "64"
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))]
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pub fn test_debug_dwarf_ref() -> Result<()> {
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let output = lldb_with_script(
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&[
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"-g",
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"--opt-level",
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"0",
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"tests/all/debug/testsuite/fraction-norm.wasm",
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],
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r#"b fraction-norm.cc:26
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r
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p __vmctx->set(),n->denominator
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c"#,
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)?;
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check_lldb_output(
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&output,
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r#"
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check: Breakpoint 1: no locations (pending)
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check: stop reason = breakpoint 1.1
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check: frame #0
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sameln: norm(n=(__ptr =
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check: = 27
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check: resuming
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"#,
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)?;
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Ok(())
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}
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