use middle::trans::context::CrateContext;
use middle::trans::cabi_x86;
use middle::trans::cabi_x86_64;
+use middle::trans::cabi_x86_win64;
use middle::trans::cabi_arm;
use middle::trans::cabi_mips;
use middle::trans::type_::Type;
use syntax::abi::{X86, X86_64, Arm, Mips, Mipsel};
+use syntax::abi::{OsWin32};
#[deriving(Clone, PartialEq)]
pub enum ArgKind {
ret_def: bool) -> FnType {
match ccx.sess().targ_cfg.arch {
X86 => cabi_x86::compute_abi_info(ccx, atys, rty, ret_def),
- X86_64 => cabi_x86_64::compute_abi_info(ccx, atys, rty, ret_def),
+ X86_64 =>
+ if ccx.sess().targ_cfg.os == OsWin32 {
+ cabi_x86_win64::compute_abi_info(ccx, atys, rty, ret_def)
+ } else {
+ cabi_x86_64::compute_abi_info(ccx, atys, rty, ret_def)
+ },
Arm => cabi_arm::compute_abi_info(ccx, atys, rty, ret_def),
Mips => cabi_mips::compute_abi_info(ccx, atys, rty, ret_def),
Mipsel => cabi_mips::compute_abi_info(ccx, atys, rty, ret_def),
--- /dev/null
+// Copyright 2013 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+use llvm::*;
+use super::cabi::*;
+use super::common::*;
+use super::machine::*;
+use middle::trans::type_::Type;
+
+// Win64 ABI: http://msdn.microsoft.com/en-us/library/zthk2dkh.aspx
+
+pub fn compute_abi_info(ccx: &CrateContext,
+ atys: &[Type],
+ rty: Type,
+ ret_def: bool) -> FnType {
+ let mut arg_tys = Vec::new();
+
+ let ret_ty;
+ if !ret_def {
+ ret_ty = ArgType::direct(Type::void(ccx), None, None, None);
+ } else if rty.kind() == Struct {
+ ret_ty = match llsize_of_alloc(ccx, rty) {
+ 1 => ArgType::direct(rty, Some(Type::i8(ccx)), None, None),
+ 2 => ArgType::direct(rty, Some(Type::i16(ccx)), None, None),
+ 4 => ArgType::direct(rty, Some(Type::i32(ccx)), None, None),
+ 8 => ArgType::direct(rty, Some(Type::i64(ccx)), None, None),
+ _ => ArgType::indirect(rty, Some(StructRetAttribute))
+ };
+ } else {
+ let attr = if rty == Type::i1(ccx) { Some(ZExtAttribute) } else { None };
+ ret_ty = ArgType::direct(rty, None, None, attr);
+ }
+
+ for &t in atys.iter() {
+ let ty = match t.kind() {
+ Struct => {
+ match llsize_of_alloc(ccx, t) {
+ 1 => ArgType::direct(rty, Some(Type::i8(ccx)), None, None),
+ 2 => ArgType::direct(rty, Some(Type::i16(ccx)), None, None),
+ 4 => ArgType::direct(rty, Some(Type::i32(ccx)), None, None),
+ 8 => ArgType::direct(rty, Some(Type::i64(ccx)), None, None),
+ _ => ArgType::indirect(t, Some(ByValAttribute))
+ }
+ }
+ _ => {
+ let attr = if t == Type::i1(ccx) { Some(ZExtAttribute) } else { None };
+ ArgType::direct(t, None, None, attr)
+ }
+ };
+ arg_tys.push(ty);
+ }
+
+ return FnType {
+ arg_tys: arg_tys,
+ ret_ty: ret_ty,
+ };
+}