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Fix allocator shim abi

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This commit is contained in:
bjorn3 2018-11-14 15:04:20 +01:00
parent b337695163
commit 1717cc42ef
1 changed files with 9 additions and 3 deletions
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12
src/allocator.rs
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@ -39,18 +39,24 @@ pub fn codegen(module: &mut Module<impl Backend + 'static>, kind: AllocatorKind)
}
};
let sig = Signature {
let mut sig = Signature {
call_conv: CallConv::Fast,
params: arg_tys.iter().cloned().map(AbiParam::new).collect(),
returns: output.into_iter().map(AbiParam::new).collect(),
};
let caller_name = format!("__rust_{}", method.name);
let callee_name = kind.fn_name(method.name);
//eprintln!("Codegen allocator shim {} -> {} ({:?} -> {:?})", caller_name, callee_name, sig.params, sig.returns);
sig.call_conv = CallConv::Fast; // "rust" abi
let func_id = module
.declare_function(&format!("__rust_{}", method.name), Linkage::Export, &sig)
.declare_function(&caller_name, Linkage::Export, &sig)
.unwrap();
sig.call_conv = CallConv::SystemV; // "C" abi
let callee_func_id = module
.declare_function(&kind.fn_name(method.name), Linkage::Import, &sig)
.declare_function(&callee_name, Linkage::Import, &sig)
.unwrap();
let mut ctx = Context::new();