mirror of
https://github.com/roc-lang/roc.git
synced 2025-09-29 06:44:46 +00:00
self review
This commit is contained in:
parent
b0e0c14dd8
commit
96832ed1e3
3 changed files with 41 additions and 37 deletions
|
@ -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
|
||||
|
|
|
@ -141,8 +141,8 @@ pub struct CodeBuilder<'a> {
|
|||
/// Keeps track of where Symbol values are in the VM stack
|
||||
vm_stack: Vec<'a, Symbol>,
|
||||
|
||||
/// Which byte offsets in the code section correspond to which symbols.
|
||||
/// e.g. Function indices may change when we link Roc + builtins + platform
|
||||
/// Linker info to help combine the Roc module with builtin & platform modules,
|
||||
/// e.g. to modify call instructions when function indices change
|
||||
relocations: Vec<'a, RelocationEntry>,
|
||||
}
|
||||
|
||||
|
|
|
@ -12,7 +12,7 @@ pub trait Wasm32TestResult {
|
|||
module_builder: &mut builder::ModuleBuilder,
|
||||
code_section_bytes: &mut std::vec::Vec<u8>,
|
||||
wrapper_name: &str,
|
||||
main_fn_index: u32,
|
||||
main_function_index: u32,
|
||||
) {
|
||||
let signature = builder::signature()
|
||||
.with_result(parity_wasm::elements::ValueType::I32)
|
||||
|
@ -28,7 +28,7 @@ pub trait Wasm32TestResult {
|
|||
module_builder.push_export(export);
|
||||
|
||||
let mut code_builder = CodeBuilder::new(arena);
|
||||
Self::build_wrapper_body(&mut code_builder, main_fn_index);
|
||||
Self::build_wrapper_body(&mut code_builder, main_function_index);
|
||||
|
||||
code_builder.serialize(code_section_bytes);
|
||||
|
||||
|
@ -41,12 +41,12 @@ pub trait Wasm32TestResult {
|
|||
code_section_bytes.overwrite_padded_u32(5, num_procs + 1);
|
||||
}
|
||||
|
||||
fn build_wrapper_body(code_builder: &mut CodeBuilder, main_fn_index: u32);
|
||||
fn build_wrapper_body(code_builder: &mut CodeBuilder, main_function_index: u32);
|
||||
}
|
||||
|
||||
macro_rules! build_wrapper_body_primitive {
|
||||
($store_instruction: ident, $align: expr) => {
|
||||
fn build_wrapper_body(code_builder: &mut CodeBuilder, main_fn_index: u32) {
|
||||
fn build_wrapper_body(code_builder: &mut CodeBuilder, main_function_index: u32) {
|
||||
let frame_pointer_id = LocalId(0);
|
||||
let frame_pointer = Some(frame_pointer_id);
|
||||
let local_types = &[ValueType::I32];
|
||||
|
@ -54,7 +54,7 @@ macro_rules! build_wrapper_body_primitive {
|
|||
|
||||
code_builder.get_local(frame_pointer_id);
|
||||
// Raw "call" instruction. Don't bother with symbol & relocation since we're not going to link.
|
||||
code_builder.inst_imm32(roc_gen_wasm::opcodes::CALL, 0, true, main_fn_index);
|
||||
code_builder.inst_imm32(roc_gen_wasm::opcodes::CALL, 0, true, main_function_index);
|
||||
code_builder.$store_instruction($align, 0);
|
||||
code_builder.get_local(frame_pointer_id);
|
||||
|
||||
|
@ -73,7 +73,7 @@ macro_rules! wasm_test_result_primitive {
|
|||
|
||||
fn build_wrapper_body_stack_memory(
|
||||
code_builder: &mut CodeBuilder,
|
||||
main_fn_index: u32,
|
||||
main_function_index: u32,
|
||||
size: usize,
|
||||
) {
|
||||
let local_id = LocalId(0);
|
||||
|
@ -82,7 +82,7 @@ fn build_wrapper_body_stack_memory(
|
|||
|
||||
code_builder.get_local(local_id);
|
||||
// Raw "call" instruction. Don't bother with symbol & relocation since we're not going to link.
|
||||
code_builder.inst_imm32(roc_gen_wasm::opcodes::CALL, 0, true, main_fn_index);
|
||||
code_builder.inst_imm32(roc_gen_wasm::opcodes::CALL, 0, true, main_function_index);
|
||||
code_builder.get_local(local_id);
|
||||
code_builder.finalize(local_types, size as i32, frame_pointer);
|
||||
}
|
||||
|
@ -90,10 +90,10 @@ fn build_wrapper_body_stack_memory(
|
|||
macro_rules! wasm_test_result_stack_memory {
|
||||
($type_name: ident) => {
|
||||
impl Wasm32TestResult for $type_name {
|
||||
fn build_wrapper_body(code_builder: &mut CodeBuilder, main_fn_index: u32) {
|
||||
fn build_wrapper_body(code_builder: &mut CodeBuilder, main_function_index: u32) {
|
||||
build_wrapper_body_stack_memory(
|
||||
code_builder,
|
||||
main_fn_index,
|
||||
main_function_index,
|
||||
$type_name::ACTUAL_WIDTH,
|
||||
)
|
||||
}
|
||||
|
@ -122,8 +122,8 @@ wasm_test_result_stack_memory!(RocDec);
|
|||
wasm_test_result_stack_memory!(RocStr);
|
||||
|
||||
impl<T: Wasm32TestResult> Wasm32TestResult for RocList<T> {
|
||||
fn build_wrapper_body(code_builder: &mut CodeBuilder, main_fn_index: u32) {
|
||||
build_wrapper_body_stack_memory(code_builder, main_fn_index, 12)
|
||||
fn build_wrapper_body(code_builder: &mut CodeBuilder, main_function_index: u32) {
|
||||
build_wrapper_body_stack_memory(code_builder, main_function_index, 12)
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -135,8 +135,8 @@ impl<T, const N: usize> Wasm32TestResult for [T; N]
|
|||
where
|
||||
T: Wasm32TestResult + FromWasm32Memory,
|
||||
{
|
||||
fn build_wrapper_body(code_builder: &mut CodeBuilder, main_fn_index: u32) {
|
||||
build_wrapper_body_stack_memory(code_builder, main_fn_index, N * T::ACTUAL_WIDTH)
|
||||
fn build_wrapper_body(code_builder: &mut CodeBuilder, main_function_index: u32) {
|
||||
build_wrapper_body_stack_memory(code_builder, main_function_index, N * T::ACTUAL_WIDTH)
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -145,10 +145,10 @@ where
|
|||
T: Wasm32TestResult + FromWasm32Memory,
|
||||
U: Wasm32TestResult + FromWasm32Memory,
|
||||
{
|
||||
fn build_wrapper_body(code_builder: &mut CodeBuilder, main_fn_index: u32) {
|
||||
fn build_wrapper_body(code_builder: &mut CodeBuilder, main_function_index: u32) {
|
||||
build_wrapper_body_stack_memory(
|
||||
code_builder,
|
||||
main_fn_index,
|
||||
main_function_index,
|
||||
T::ACTUAL_WIDTH + U::ACTUAL_WIDTH,
|
||||
)
|
||||
}
|
||||
|
@ -160,10 +160,10 @@ where
|
|||
U: Wasm32TestResult + FromWasm32Memory,
|
||||
V: Wasm32TestResult + FromWasm32Memory,
|
||||
{
|
||||
fn build_wrapper_body(code_builder: &mut CodeBuilder, main_fn_index: u32) {
|
||||
fn build_wrapper_body(code_builder: &mut CodeBuilder, main_function_index: u32) {
|
||||
build_wrapper_body_stack_memory(
|
||||
code_builder,
|
||||
main_fn_index,
|
||||
main_function_index,
|
||||
T::ACTUAL_WIDTH + U::ACTUAL_WIDTH + V::ACTUAL_WIDTH,
|
||||
)
|
||||
}
|
||||
|
@ -176,10 +176,10 @@ where
|
|||
V: Wasm32TestResult + FromWasm32Memory,
|
||||
W: Wasm32TestResult + FromWasm32Memory,
|
||||
{
|
||||
fn build_wrapper_body(code_builder: &mut CodeBuilder, main_fn_index: u32) {
|
||||
fn build_wrapper_body(code_builder: &mut CodeBuilder, main_function_index: u32) {
|
||||
build_wrapper_body_stack_memory(
|
||||
code_builder,
|
||||
main_fn_index,
|
||||
main_function_index,
|
||||
T::ACTUAL_WIDTH + U::ACTUAL_WIDTH + V::ACTUAL_WIDTH + W::ACTUAL_WIDTH,
|
||||
)
|
||||
}
|
||||
|
@ -193,10 +193,10 @@ where
|
|||
W: Wasm32TestResult + FromWasm32Memory,
|
||||
X: Wasm32TestResult + FromWasm32Memory,
|
||||
{
|
||||
fn build_wrapper_body(code_builder: &mut CodeBuilder, main_fn_index: u32) {
|
||||
fn build_wrapper_body(code_builder: &mut CodeBuilder, main_function_index: u32) {
|
||||
build_wrapper_body_stack_memory(
|
||||
code_builder,
|
||||
main_fn_index,
|
||||
main_function_index,
|
||||
T::ACTUAL_WIDTH + U::ACTUAL_WIDTH + V::ACTUAL_WIDTH + W::ACTUAL_WIDTH + X::ACTUAL_WIDTH,
|
||||
)
|
||||
}
|
||||
|
@ -211,10 +211,10 @@ where
|
|||
X: Wasm32TestResult + FromWasm32Memory,
|
||||
Y: Wasm32TestResult + FromWasm32Memory,
|
||||
{
|
||||
fn build_wrapper_body(code_builder: &mut CodeBuilder, main_fn_index: u32) {
|
||||
fn build_wrapper_body(code_builder: &mut CodeBuilder, main_function_index: u32) {
|
||||
build_wrapper_body_stack_memory(
|
||||
code_builder,
|
||||
main_fn_index,
|
||||
main_function_index,
|
||||
T::ACTUAL_WIDTH
|
||||
+ U::ACTUAL_WIDTH
|
||||
+ V::ACTUAL_WIDTH
|
||||
|
@ -235,10 +235,10 @@ where
|
|||
Y: Wasm32TestResult + FromWasm32Memory,
|
||||
Z: Wasm32TestResult + FromWasm32Memory,
|
||||
{
|
||||
fn build_wrapper_body(code_builder: &mut CodeBuilder, main_fn_index: u32) {
|
||||
fn build_wrapper_body(code_builder: &mut CodeBuilder, main_function_index: u32) {
|
||||
build_wrapper_body_stack_memory(
|
||||
code_builder,
|
||||
main_fn_index,
|
||||
main_function_index,
|
||||
T::ACTUAL_WIDTH
|
||||
+ U::ACTUAL_WIDTH
|
||||
+ V::ACTUAL_WIDTH
|
||||
|
@ -261,10 +261,10 @@ where
|
|||
Z: Wasm32TestResult + FromWasm32Memory,
|
||||
A: Wasm32TestResult + FromWasm32Memory,
|
||||
{
|
||||
fn build_wrapper_body(code_builder: &mut CodeBuilder, main_fn_index: u32) {
|
||||
fn build_wrapper_body(code_builder: &mut CodeBuilder, main_function_index: u32) {
|
||||
build_wrapper_body_stack_memory(
|
||||
code_builder,
|
||||
main_fn_index,
|
||||
main_function_index,
|
||||
T::ACTUAL_WIDTH
|
||||
+ U::ACTUAL_WIDTH
|
||||
+ V::ACTUAL_WIDTH
|
||||
|
|
Loading…
Add table
Add a link
Reference in a new issue