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Alter invocation of functions to use 16-byte invocation arguments

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This commit is contained in:
Andrew Brown
2019-08-14 16:14:53 -07:00
committed by Dan Gohman
parent 5bd422b429
commit fb1c473342
4 changed files with 83 additions and 15 deletions
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10
wasmtime-jit/src/action.rs
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@@ -7,7 +7,7 @@ use core::{fmt, mem, ptr, slice};
use cranelift_codegen::ir;
use std::string::String;
use std::vec::Vec;
use wasmtime_runtime::{wasmtime_call_trampoline, Export, InstanceHandle};
use wasmtime_runtime::{wasmtime_call_trampoline, Export, InstanceHandle, VMInvokeArgument};
/// A runtime value.
#[derive(Copy, Clone, Debug, Eq, PartialEq)]
@@ -161,12 +161,12 @@ pub fn invoke(
assert_eq!(value.value_type(), signature.params[index + 1].value_type);
}
// TODO: Support values larger than u64. And pack the values into memory
// TODO: Support values larger than v128. And pack the values into memory
// instead of just using fixed-sized slots.
// Subtract one becase we don't pass the vmctx argument in `values_vec`.
let value_size = mem::size_of::<u64>();
let mut values_vec: Vec<u64> =
vec![0; max(signature.params.len() - 1, signature.returns.len())];
let value_size = mem::size_of::<VMInvokeArgument>();
let mut values_vec: Vec<VMInvokeArgument> =
vec![VMInvokeArgument::new(); max(signature.params.len() - 1, signature.returns.len())];
// Store the argument values into `values_vec`.
for (index, arg) in args.iter().enumerate() {