PNaCl.h source code [clang_source_code/lib/Basic/Targets/PNaCl.h]

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
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 { 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.
74	class LLVM_LIBRARY_VISIBILITY NaClMips32TargetInfo : public MipsTargetInfo {
75	public:
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

Clang Project