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Add support for table.copy

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This adds support for the `table.copy` instruction from the bulk memory
proposal. It also supports multiple tables, which were introduced by the
reference types proposal.

Part of #928
This commit is contained in:
Nick Fitzgerald
2020-02-07 14:05:33 -08:00
parent 6d01fd4103
commit 33b4a37bcb
15 changed files with 696 additions and 44 deletions
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16
crates/runtime/src/vmcontext.rs
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@@ -537,6 +537,7 @@ impl VMBuiltinFunctionsArray {
pub fn initialized() -> Self {
use crate::libcalls::*;
let mut ptrs = [0; Self::len()];
ptrs[BuiltinFunctionIndex::get_memory32_grow_index().index() as usize] =
wasmtime_memory32_grow as usize;
ptrs[BuiltinFunctionIndex::get_imported_memory32_grow_index().index() as usize] =
@@ -545,6 +546,21 @@ impl VMBuiltinFunctionsArray {
wasmtime_memory32_size as usize;
ptrs[BuiltinFunctionIndex::get_imported_memory32_size_index().index() as usize] =
wasmtime_imported_memory32_size as usize;
ptrs[BuiltinFunctionIndex::get_table_copy_defined_defined_index().index() as usize] =
wasmtime_table_copy_defined_defined as usize;
ptrs[BuiltinFunctionIndex::get_table_copy_defined_imported_index().index() as usize] =
wasmtime_table_copy_defined_imported as usize;
ptrs[BuiltinFunctionIndex::get_table_copy_imported_defined_index().index() as usize] =
wasmtime_table_copy_imported_defined as usize;
ptrs[BuiltinFunctionIndex::get_table_copy_imported_imported_index().index() as usize] =
wasmtime_table_copy_imported_imported as usize;
debug_assert!(ptrs.iter().cloned().all(|p| p != 0));
Self { ptrs }
}
}