56 lines
1.5 KiB
Rust
56 lines
1.5 KiB
Rust
use super::dump::{get_dwarfdump, DwarfDumpSection};
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use super::obj::compile_cranelift;
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use anyhow::{format_err, Result};
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use filecheck::{CheckerBuilder, NO_VARIABLES};
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use tempfile::NamedTempFile;
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use wat::parse_str;
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#[allow(dead_code)]
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fn check_wat(wat: &str) -> Result<()> {
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let wasm = parse_str(wat)?;
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let obj_file = NamedTempFile::new()?;
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let obj_path = obj_file.path().to_str().unwrap();
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compile_cranelift(&wasm, None, obj_path)?;
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let dump = get_dwarfdump(obj_path, DwarfDumpSection::DebugInfo)?;
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let mut builder = CheckerBuilder::new();
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builder
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.text(wat)
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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(&dump, 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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#[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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fn test_debug_dwarf_simulate_simple_x86_64() -> Result<()> {
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check_wat(
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r#"
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;; check: DW_TAG_compile_unit
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(module
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;; check: DW_TAG_subprogram
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;; check: DW_AT_name ("wasm-function[0]")
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;; check: DW_TAG_formal_parameter
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;; check: DW_AT_name ("var0")
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;; check: DW_AT_type
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;; sameln: "i32"
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;; check: DW_TAG_variable
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;; check: DW_AT_name ("var1")
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;; check: DW_AT_type
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;; sameln: "i32"
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(func (param i32) (result i32)
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(local i32)
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local.get 0
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local.set 1
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local.get 1
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)
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)"#,
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)
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}
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