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/Support/Compiler.h" 20 #include "llvm/TargetParser/Triple.h" 21 22 namespace clang { 23 namespace targets { 24 25 class LLVM_LIBRARY_VISIBILITY PNaClTargetInfo : public TargetInfo { 26 public: 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 { 56 return std::nullopt; 57 } 58 59 BuiltinVaListKind getBuiltinVaListKind() const override { 60 return TargetInfo::PNaClABIBuiltinVaList; 61 } 62 63 ArrayRef<const char *> getGCCRegNames() const override; 64 65 ArrayRef<TargetInfo::GCCRegAlias> getGCCRegAliases() const override; 66 67 bool validateAsmConstraint(const char *&Name, 68 TargetInfo::ConstraintInfo &Info) const override { 69 return false; 70 } 71 72 std::string_view getClobbers() const override { return ""; } 73 74 bool hasBitIntType() const override { return true; } 75 }; 76 77 // We attempt to use PNaCl (le32) frontend and Mips32EL backend. 78 class LLVM_LIBRARY_VISIBILITY NaClMips32TargetInfo : public MipsTargetInfo { 79 public: 80 NaClMips32TargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts) 81 : MipsTargetInfo(Triple, Opts) {} 82 83 BuiltinVaListKind getBuiltinVaListKind() const override { 84 return TargetInfo::PNaClABIBuiltinVaList; 85 } 86 }; 87 } // namespace targets 88 } // namespace clang 89 90 #endif // LLVM_CLANG_LIB_BASIC_TARGETS_PNACL_H 91