clang 17.0.0git
PNaCl.h
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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"
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
56 return std::nullopt;
57 }
58
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 const char *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.
78class LLVM_LIBRARY_VISIBILITY NaClMips32TargetInfo : public MipsTargetInfo {
79public:
80 NaClMips32TargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
81 : MipsTargetInfo(Triple, Opts) {}
82
84 return TargetInfo::PNaClABIBuiltinVaList;
85 }
86};
87} // namespace targets
88} // namespace clang
89
90#endif // LLVM_CLANG_LIB_BASIC_TARGETS_PNACL_H
Defines the clang::TargetOptions class.
Keeps track of the various options that can be enabled, which controls the dialect of C or C++ that i...
Definition: LangOptions.h:82
Exposes information about the current target.
Definition: TargetInfo.h:206
BuiltinVaListKind
The different kinds of __builtin_va_list types defined by the target implementation.
Definition: TargetInfo.h:288
Options for controlling the target.
Definition: TargetOptions.h:26
BuiltinVaListKind getBuiltinVaListKind() const override
Returns the kind of __builtin_va_list type that should be used with this target.
Definition: PNaCl.h:83
NaClMips32TargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
Definition: PNaCl.h:80
const char * getClobbers() const override
Returns a string of target-specific clobbers, in LLVM format.
Definition: PNaCl.h:72
ArrayRef< Builtin::Info > getTargetBuiltins() const override
Return information about target-specific builtins for the current primary target, and info about whic...
Definition: PNaCl.h:55
bool validateAsmConstraint(const char *&Name, TargetInfo::ConstraintInfo &Info) const override
Definition: PNaCl.h:67
bool hasBitIntType() const override
Determine whether the _BitInt type is supported on this target.
Definition: PNaCl.h:74
bool hasFeature(StringRef Feature) const override
Determine whether the given target has the given feature.
Definition: PNaCl.h:51
BuiltinVaListKind getBuiltinVaListKind() const override
Returns the kind of __builtin_va_list type that should be used with this target.
Definition: PNaCl.h:59
PNaClTargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
Definition: PNaCl.h:27
void getTargetDefines(const LangOptions &Opts, MacroBuilder &Builder) const override
===-— Other target property query methods -----------------------—===//
Definition: PNaCl.h:46
Defines the clang::TargetInfo interface.