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Migrate linking and relocation sections

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This commit is contained in:
Brian Carroll 2021-11-02 13:55:14 +00:00
parent e720873c05
commit baf896f6f9
1 changed files with 3 additions and 27 deletions
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30
compiler/gen_wasm/src/lib.rs
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@ -8,7 +8,7 @@ pub mod serialize;
mod storage;
use bumpalo::{self, collections::Vec, Bump};
use parity_wasm::builder::{ModuleBuilder};
use parity_wasm::builder::ModuleBuilder;
use parity_wasm::elements::{Section, Serialize as ParitySerialize};
use roc_collections::all::{MutMap, MutSet};
@ -92,32 +92,8 @@ pub fn build_module_help<'a>(
.bytes
.overwrite_padded_u32(0, inner_length);
// linking metadata section
let mut linking_section_bytes = std::vec::Vec::with_capacity(symbol_table_entries.len() * 20);
let linking_section = LinkingSection {
subsections: bumpalo::vec![in env.arena;
LinkingSubSection::SymbolTable(symbol_table_entries)
],
};
linking_section.serialize(&mut linking_section_bytes);
backend.parity_builder = backend.parity_builder.with_section(Section::Unparsed {
id: SectionId::Custom as u8,
payload: linking_section_bytes,
});
const CODE_SECTION_INDEX: u32 = 5;
backend.module.reloc_code.target_section_index = Some(CODE_SECTION_INDEX);
let mut code_reloc_section_bytes = std::vec::Vec::with_capacity(256);
backend
.module
.reloc_code
.serialize(&mut code_reloc_section_bytes);
// Must come after linking section
backend.parity_builder = backend.parity_builder.with_section(Section::Unparsed {
id: SectionId::Custom as u8,
payload: code_reloc_section_bytes,
});
let symbol_table = LinkingSubSection::SymbolTable(symbol_table_entries);
backend.module.linking.subsections.push(symbol_table);
const MIN_MEMORY_SIZE_KB: i32 = 1024;