Initial reorg.

This is largely the same as #305, but updated for the current tree.

crates/api/src/trampoline/table.rs

@@ -0,0 +1,37 @@
+use alloc::boxed::Box;
+use alloc::string::ToString;
+use anyhow::Result;
+use cranelift_entity::PrimaryMap;
+use cranelift_wasm::TableElementType;
+use wasmtime_environ::Module;
+use wasmtime_runtime::InstanceHandle;
+
+use super::create_handle::create_handle;
+use crate::{TableType, ValType};
+
+pub fn create_handle_with_table(table: &TableType) -> Result<InstanceHandle> {
+    let mut module = Module::new();
+
+    let table = cranelift_wasm::Table {
+        minimum: table.limits().min(),
+        maximum: if table.limits().max() == core::u32::MAX {
+            None
+        } else {
+            Some(table.limits().max())
+        },
+        ty: match table.element() {
+            ValType::FuncRef => TableElementType::Func,
+            _ => TableElementType::Val(table.element().get_cranelift_type()),
+        },
+    };
+    let tunable = Default::default();
+
+    let table_plan = wasmtime_environ::TablePlan::for_table(table, &tunable);
+    let table_id = module.table_plans.push(table_plan);
+    module.exports.insert(
+        "table".to_string(),
+        wasmtime_environ::Export::Table(table_id),
+    );
+
+    create_handle(module, None, PrimaryMap::new(), Box::new(()))
+}