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This commit is contained in:
losfair
2019-06-25 20:01:56 +08:00
parent 8303853227
commit 3f2aeec9bc
14 changed files with 402 additions and 67 deletions
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18
lib/singlepass-backend/src/codegen_x64.rs
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@ -1612,6 +1612,8 @@ impl FunctionCodeGenerator<CodegenError> for X64FunctionCode {
.machine
.init_locals(a, self.num_locals, self.num_params);
self.machine.state.register_values[X64Register::GPR(Machine::get_vmctx_reg()).to_index().0] = MachineValue::Vmctx;
self.fsm = FunctionStateMap::new(
new_machine_state(),
self.local_function_id,
@ -1638,6 +1640,9 @@ impl FunctionCodeGenerator<CodegenError> for X64FunctionCode {
state: self.machine.state.clone(),
state_diff_id,
});
assert_eq!(self.machine.state.wasm_inst_offset, ::std::usize::MAX);
Ok(())
}
@ -1648,6 +1653,17 @@ impl FunctionCodeGenerator<CodegenError> for X64FunctionCode {
}
fn feed_event(&mut self, ev: Event, module_info: &ModuleInfo) -> Result<(), CodegenError> {
let a = self.assembler.as_mut().unwrap();
match ev {
Event::Wasm(_) => {
self.machine.state.wasm_inst_offset =
self.machine.state.wasm_inst_offset.wrapping_add(1);
self.fsm.wasm_offset_to_target_offset.push(a.get_offset().0);
}
_ => {}
}
//println!("{:?} {}", op, self.value_stack.len());
let was_unreachable;
@ -1682,8 +1698,6 @@ impl FunctionCodeGenerator<CodegenError> for X64FunctionCode {
was_unreachable = false;
}
let a = self.assembler.as_mut().unwrap();
let op = match ev {
Event::Wasm(x) => x,
Event::WasmOwned(ref x) => x,