| 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 |