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

1	//===--- Lanai.h - Declare Lanai 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 Lanai TargetInfo objects.
10	//
11	//===----------------------------------------------------------------------===//
12
13	#ifndef LLVM_CLANG_LIB_BASIC_TARGETS_LANAI_H
14	#define LLVM_CLANG_LIB_BASIC_TARGETS_LANAI_H
15
16	#include "clang/Basic/TargetInfo.h"
17	#include "clang/Basic/TargetOptions.h"
18	#include "llvm/ADT/Triple.h"
19	#include "llvm/Support/Compiler.h"
20
21	namespace clang {
22	namespace targets {
23
24	class LLVM_LIBRARY_VISIBILITY LanaiTargetInfo : public TargetInfo {
25	// Class for Lanai (32-bit).
26	// The CPU profiles supported by the Lanai backend
27	enum CPUKind {
28	CK_NONE,
29	CK_V11,
30	} CPU;
31
32	static const TargetInfo::GCCRegAlias GCCRegAliases[];
33	static const char *const GCCRegNames[];
34
35	public:
36	LanaiTargetInfo(const llvm::Triple &Triple, const TargetOptions &)
37	: TargetInfo(Triple) {
38	// Description string has to be kept in sync with backend.
39	resetDataLayout("E" // Big endian
40	"-m:e" // ELF name manging
41	"-p:32:32" // 32 bit pointers, 32 bit aligned
42	"-i64:64" // 64 bit integers, 64 bit aligned
43	"-a:0:32" // 32 bit alignment of objects of aggregate type
44	"-n32" // 32 bit native integer width
45	"-S64" // 64 bit natural stack alignment
46	);
47
48	// Setting RegParmMax equal to what mregparm was set to in the old
49	// toolchain
50	RegParmMax = 4;
51
52	// Set the default CPU to V11
53	CPU = CK_V11;
54
55	// Temporary approach to make everything at least word-aligned and allow for
56	// safely casting between pointers with different alignment requirements.
57	// TODO: Remove this when there are no more cast align warnings on the
58	// firmware.
59	MinGlobalAlign = 32;
60	}
61
62	void getTargetDefines(const LangOptions &Opts,
63	MacroBuilder &Builder) const override;
64
65	bool isValidCPUName(StringRef Name) const override;
66
67	void fillValidCPUList(SmallVectorImpl<StringRef> &Values) const override;
68
69	bool setCPU(const std::string &Name) override;
70
71	bool hasFeature(StringRef Feature) const override;
72
73	ArrayRef<const char *> getGCCRegNames() const override;
74
75	ArrayRef<TargetInfo::GCCRegAlias> getGCCRegAliases() const override;
76
77	BuiltinVaListKind getBuiltinVaListKind() const override {
78	return TargetInfo::VoidPtrBuiltinVaList;
79	}
80
81	ArrayRef<Builtin::Info> getTargetBuiltins() const override { return None; }
82
83	bool validateAsmConstraint(const char *&Name,
84	TargetInfo::ConstraintInfo &info) const override {
85	return false;
86	}
87
88	const char *getClobbers() const override { return ""; }
89	};
90	} // namespace targets
91	} // namespace clang
92
93	#endif // LLVM_CLANG_LIB_BASIC_TARGETS_LANAI_H
94

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