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self review

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This commit is contained in:
Brian Carroll 2021-10-30 18:22:09 +01:00
parent b0e0c14dd8
commit 96832ed1e3
3 changed files with 41 additions and 37 deletions
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20
compiler/gen_wasm/src/backend.rs
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@ -395,14 +395,18 @@ impl<'a> WasmBackend<'a> {
self.storage.load_symbols(&mut self.code_builder, wasm_args);
// Index of the called function in the Wasm module code section
// TODO: update when we start inlining functions (remember we emit procs out of order)
let func_index = self
.proc_symbols
.iter()
.position(|s| s == func_sym)
.map(|i| i as u32)
.unwrap_or(u32::MAX); // foreign symbol, updated at link time
// Index of the called function in the code section
// TODO: account for inlined functions when we start doing that (remember we emit procs out of order)
let func_index = match self.proc_symbols.iter().position(|s| s == func_sym) {
Some(i) => i as u32,
None => {
// TODO: actually useful linking! Push a relocation for it.
return Err(format!(
"Not yet supporteed: calling foreign function {:?}",
func_sym
));
}
};
// Index of the function's name in the symbol table
let symbol_index = func_index; // TODO: update this when we add other things to the symbol table