1//===--- XCore.h - Declare XCore target feature support ---------*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// This file declares XCore TargetInfo objects.
10//
11//===----------------------------------------------------------------------===//
12
13#ifndef LLVM_CLANG_LIB_BASIC_TARGETS_XCORE_H
14#define LLVM_CLANG_LIB_BASIC_TARGETS_XCORE_H
15
16#include "clang/Basic/TargetInfo.h"
17#include "clang/Basic/TargetOptions.h"
18#include "llvm/ADT/Triple.h"
19#include "llvm/Support/Compiler.h"
20
21namespace clang {
22namespace targets {
23
24class LLVM_LIBRARY_VISIBILITY XCoreTargetInfo : public TargetInfo {
25  static const Builtin::Info BuiltinInfo[];
26
27public:
28  XCoreTargetInfo(const llvm::Triple &Triple, const TargetOptions &)
29      : TargetInfo(Triple) {
30    NoAsmVariants = true;
31    LongLongAlign = 32;
32    SuitableAlign = 32;
33    DoubleAlign = LongDoubleAlign = 32;
34    SizeType = UnsignedInt;
35    PtrDiffType = SignedInt;
36    IntPtrType = SignedInt;
37    WCharType = UnsignedChar;
38    WIntType = UnsignedInt;
39    UseZeroLengthBitfieldAlignment = true;
40    resetDataLayout("e-m:e-p:32:32-i1:8:32-i8:8:32-i16:16:32-i64:32"
41                    "-f64:32-a:0:32-n32");
42  }
43
44  void getTargetDefines(const LangOptions &Opts,
45                        MacroBuilder &Builder) const override;
46
47  ArrayRef<Builtin::Info> getTargetBuiltins() const override;
48
49  BuiltinVaListKind getBuiltinVaListKind() const override {
50    return TargetInfo::VoidPtrBuiltinVaList;
51  }
52
53  const char *getClobbers() const override { return ""; }
54
55  ArrayRef<const char *> getGCCRegNames() const override {
56    static const char *const GCCRegNames[] = {
57        "r0", "r1", "r2",  "r3",  "r4", "r5", "r6", "r7",
58        "r8", "r9", "r10", "r11", "cp", "dp", "sp", "lr"
59    };
60    return llvm::makeArrayRef(GCCRegNames);
61  }
62
63  ArrayRef<TargetInfo::GCCRegAlias> getGCCRegAliases() const override {
64    return None;
65  }
66
67  bool validateAsmConstraint(const char *&Name,
68                             TargetInfo::ConstraintInfo &Info) const override {
69    return false;
70  }
71
72  int getEHDataRegisterNumber(unsigned RegNo) const override {
73    // R0=ExceptionPointerRegister R1=ExceptionSelectorRegister
74    return (RegNo < 2) ? RegNo : -1;
75  }
76
77  bool allowsLargerPreferedTypeAlignment() const override { return false; }
78};
79} // namespace targets
80} // namespace clang
81#endif // LLVM_CLANG_LIB_BASIC_TARGETS_XCORE_H
82