language-servers/roc
1
0
Fork 0
mirror of https://github.com/roc-lang/roc.git synced 2025-09-28 14:24:45 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 6

Build up a vector of relocations

Browse source
This commit is contained in:
Brian Carroll 2021-10-26 23:16:42 +01:00
parent fd3d8f5227
commit 1def56ea04
3 changed files with 24 additions and 10 deletions
Download patch file Download diff file Expand all files Collapse all files

16
compiler/gen_wasm/src/backend.rs
View file

@ -29,6 +29,7 @@ pub struct WasmBackend<'a> {
_data_offset_map: MutMap<Literal<'a>, u32>,
_data_offset_next: u32,
proc_symbols: Vec<'a, Symbol>,
relocations: Vec<'a, (usize, Symbol)>,
// Function-level data
code_builder: CodeBuilder<'a>,
@ -59,6 +60,7 @@ impl<'a> WasmBackend<'a> {
_data_offset_map: MutMap::default(),
_data_offset_next: UNUSED_DATA_SECTION_BYTES,
proc_symbols,
relocations: Vec::with_capacity_in(32, env.arena),
// Function-level data
block_depth: 0,
@ -399,13 +401,15 @@ impl<'a> WasmBackend<'a> {
.proc_symbols
.iter()
.position(|s| s == func_sym)
.ok_or(format!(
"Cannot find function {:?} called from {:?}",
func_sym, sym
))?;
.map(|i| i as u32)
.unwrap_or(u32::MAX); // foreign symbol, updated at link time
let reloc_offset =
self.code_builder
.call(function_index, wasm_args.len(), has_return_val);
self.relocations.push((reloc_offset, *func_sym));
self.code_builder
.call(function_index as u32, wasm_args.len(), has_return_val);
Ok(())
}