language-servers/roc
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Build up a vector of relocations

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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
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11
compiler/gen_wasm/src/code_builder.rs
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@ -6,8 +6,8 @@ use std::fmt::Debug;
use roc_module::symbol::Symbol;
use crate::{
encode_f32, encode_f64, encode_i32, encode_i64, encode_u32, round_up_to_alignment, LocalId,
FRAME_ALIGNMENT_BYTES, STACK_POINTER_GLOBAL_ID,
encode_f32, encode_f64, encode_i32, encode_i64, encode_padded_u32, encode_u32,
round_up_to_alignment, LocalId, FRAME_ALIGNMENT_BYTES, STACK_POINTER_GLOBAL_ID,
};
use crate::{opcodes::*, overwrite_padded_u32};
@ -475,7 +475,7 @@ impl<'a> CodeBuilder<'a> {
instruction_no_args!(return_, RETURN, 0, false);
pub fn call(&mut self, function_index: u32, n_args: usize, has_return_val: bool) {
pub fn call(&mut self, function_index: u32, n_args: usize, has_return_val: bool) -> usize {
let stack_depth = self.vm_stack.len();
if n_args > stack_depth {
panic!(
@ -488,7 +488,10 @@ impl<'a> CodeBuilder<'a> {
self.vm_stack.push(Symbol::WASM_ANONYMOUS_STACK_VALUE);
}
self.code.push(CALL);
encode_u32(&mut self.code, function_index);
let reloc_offset = self.code.len();
encode_padded_u32(&mut self.code, function_index);
reloc_offset
}
fn call_indirect() {
panic!("Not implemented. Roc doesn't use function pointers");