PNaCl.h revision 360660 
1//===--- PNaCl.h - Declare PNaCl 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 PNaCl TargetInfo objects.
10//
11//===----------------------------------------------------------------------===//
12
13#ifndef LLVM_CLANG_LIB_BASIC_TARGETS_PNACL_H
14#define LLVM_CLANG_LIB_BASIC_TARGETS_PNACL_H
15
16#include "Mips.h"
17#include "clang/Basic/TargetInfo.h"
18#include "clang/Basic/TargetOptions.h"
19#include "llvm/ADT/Triple.h"
20#include "llvm/Support/Compiler.h"
21
22namespace clang {
23namespace targets {
24
25class LLVM_LIBRARY_VISIBILITY PNaClTargetInfo : public TargetInfo {
26public:
27  PNaClTargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
28      : TargetInfo(Triple) {
29    this->LongAlign = 32;
30    this->LongWidth = 32;
31    this->PointerAlign = 32;
32    this->PointerWidth = 32;
33    this->IntMaxType = TargetInfo::SignedLongLong;
34    this->Int64Type = TargetInfo::SignedLongLong;
35    this->DoubleAlign = 64;
36    this->LongDoubleWidth = 64;
37    this->LongDoubleAlign = 64;
38    this->SizeType = TargetInfo::UnsignedInt;
39    this->PtrDiffType = TargetInfo::SignedInt;
40    this->IntPtrType = TargetInfo::SignedInt;
41    this->RegParmMax = 0; // Disallow regparm
42  }
43
44  void getArchDefines(const LangOptions &Opts, MacroBuilder &Builder) const;
45
46  void getTargetDefines(const LangOptions &Opts,
47                        MacroBuilder &Builder) const override {
48    getArchDefines(Opts, Builder);
49  }
50
51  bool hasFeature(StringRef Feature) const override {
52    return Feature == "pnacl";
53  }
54
55  ArrayRef<Builtin::Info> getTargetBuiltins() const override { return None; }
56
57  BuiltinVaListKind getBuiltinVaListKind() const override {
58    return TargetInfo::PNaClABIBuiltinVaList;
59  }
60
61  ArrayRef<const char *> getGCCRegNames() const override;
62
63  ArrayRef<TargetInfo::GCCRegAlias> getGCCRegAliases() const override;
64
65  bool validateAsmConstraint(const char *&Name,
66                             TargetInfo::ConstraintInfo &Info) const override {
67    return false;
68  }
69
70  const char *getClobbers() const override { return ""; }
71};
72
73// We attempt to use PNaCl (le32) frontend and Mips32EL backend.
74class LLVM_LIBRARY_VISIBILITY NaClMips32TargetInfo : public MipsTargetInfo {
75public:
76  NaClMips32TargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
77      : MipsTargetInfo(Triple, Opts) {}
78
79  BuiltinVaListKind getBuiltinVaListKind() const override {
80    return TargetInfo::PNaClABIBuiltinVaList;
81  }
82};
83} // namespace targets
84} // namespace clang
85
86#endif // LLVM_CLANG_LIB_BASIC_TARGETS_PNACL_H
87