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Support multiple custom sections with the same name #1320

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merged 2 commits into from
Mar 21, 2020
Merged

Support multiple custom sections with the same name #1320

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248e061
Support multiple custom sections with the same name
Mar 20, 2020
df1afa2
Add custom section update to changelog
Mar 21, 2020
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5 changes: 3 additions & 2 deletions lib/runtime-core/src/module.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -78,7 +78,7 @@ pub struct ModuleInfo {
pub em_symbol_map: Option<HashMap<u32, String>>,

/// Custom sections.
pub custom_sections: HashMap<String, Vec<u8>>,
pub custom_sections: HashMap<String, Vec<Vec<u8>>>,

/// Flag controlling whether or not debug information for use in a debugger
/// will be generated.
Expand All @@ -102,7 +102,8 @@ impl ModuleInfo {
let bytes = reader.read_bytes(len)?;
let data = bytes.to_vec();
let name = name.to_string();
self.custom_sections.insert(name, data);
let entry: &mut Vec<Vec<u8>> = self.custom_sections.entry(name).or_default();
entry.push(data);
}
}
Ok(())
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