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Merge pull request #2518 from peterhuene/add-allocator

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Implement the pooling instance allocator.
This commit is contained in:
Peter Huene
2021-03-08 12:20:31 -08:00
committed by GitHub
parent 58769e5006 623290d42e
commit f8cc824396
51 changed files with 5330 additions and 1043 deletions
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2
cranelift/wasm/src/module_translator.rs
View File

@@ -101,6 +101,8 @@ pub fn translate_module<'data>(
Payload::DataCountSection { count, range } => {
validator.data_count_section(count, &range)?;
// NOTE: the count here is the total segment count, not the passive segment count
environ.reserve_passive_data(count)?;
}

12
cranelift/wasm/src/sections_translator.rs
View File

@@ -401,6 +401,12 @@ pub fn parse_element_section<'data>(
));
}
};
// Check for offset + len overflow
if offset.checked_add(segments.len()).is_none() {
return Err(wasm_unsupported!(
"element segment offset and length overflows"
));
}
environ.declare_table_elements(
TableIndex::from_u32(table_index),
base,
@@ -447,6 +453,12 @@ pub fn parse_data_section<'data>(
))
}
};
// Check for offset + len overflow
if offset.checked_add(data.len()).is_none() {
return Err(wasm_unsupported!(
"data segment offset and length overflows"
));
}
environ.declare_data_initialization(
MemoryIndex::from_u32(memory_index),
base,