25 lines
825 B
Rust
25 lines
825 B
Rust
//@ only-wasm32-wasip1
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use run_make_support::{rustc, tmp_dir, wasmparser};
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use std::collections::HashMap;
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fn main() {
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rustc().input("foo.rs").target("wasm32-wasip1").run();
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rustc().input("bar.rs").target("wasm32-wasip1").arg("-Clto").opt().run();
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let file = std::fs::read(&tmp_dir().join("bar.wasm")).unwrap();
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let mut custom = HashMap::new();
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for payload in wasmparser::Parser::new(0).parse_all(&file) {
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let payload = payload.unwrap();
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if let wasmparser::Payload::CustomSection(s) = payload {
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let prev = custom.insert(s.name(), s.data());
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assert!(prev.is_none());
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}
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}
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assert_eq!(custom.remove("foo"), Some(&[5, 6, 1, 2][..]));
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assert_eq!(custom.remove("bar"), Some(&[3, 4][..]));
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assert_eq!(custom.remove("baz"), Some(&[7, 8][..]));
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}
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