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Merge pull request #31 from paritytech/result_code_first

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Move result store code on the top of create function
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Nikolay Volf 2017-11-01 19:58:56 +03:00 committed by GitHub
commit 1cf766c697
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1 changed files with 6 additions and 5 deletions
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11
src/pack.rs
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@ -75,17 +75,18 @@ pub fn pack_instance(raw_module: Vec<u8>, ctor_module: &mut elements::Module) {
&mut Section::Code(ref mut code_section) => {
let code = code_section.bodies_mut()[create_func_id].code_mut().elements_mut();
code.pop();
code.extend_from_slice(&[
let init_result_code = &[
Opcode::GetLocal(0),
Opcode::I32Const(code_data_address),
Opcode::I32Store(0, 8),
Opcode::GetLocal(0),
Opcode::I32Const(raw_module.len() as i32),
Opcode::I32Store(0, 12),
Opcode::End]);
Opcode::I32Store(0, 12)];
let mut updated_func_code = Vec::with_capacity(init_result_code.len() + code.len());
updated_func_code.extend_from_slice(init_result_code);
updated_func_code.extend_from_slice(&code);
*code = updated_func_code;
},
_ => {;},
}
};