1 //===--- ARM.h - ARM-specific (not AArch64) Tool Helpers --------*- 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 #ifndef LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_ARCH_ARM_H
10 #define LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_ARCH_ARM_H
11 
12 #include "clang/Driver/ToolChain.h"
13 #include "llvm/ADT/StringRef.h"
14 #include "llvm/Option/ArgList.h"
15 #include "llvm/Option/Option.h"
16 #include "llvm/TargetParser/ARMTargetParser.h"
17 #include "llvm/TargetParser/Triple.h"
18 #include <string>
19 #include <vector>
20 
21 namespace clang {
22 namespace driver {
23 namespace tools {
24 namespace arm {
25 
26 std::string getARMTargetCPU(StringRef CPU, llvm::StringRef Arch,
27                             const llvm::Triple &Triple);
28 std::string getARMArch(llvm::StringRef Arch, const llvm::Triple &Triple);
29 StringRef getARMCPUForMArch(llvm::StringRef Arch, const llvm::Triple &Triple);
30 llvm::ARM::ArchKind getLLVMArchKindForARM(StringRef CPU, StringRef Arch,
31                                           const llvm::Triple &Triple);
32 StringRef getLLVMArchSuffixForARM(llvm::StringRef CPU, llvm::StringRef Arch,
33                                   const llvm::Triple &Triple);
34 
35 void appendBE8LinkFlag(const llvm::opt::ArgList &Args,
36                        llvm::opt::ArgStringList &CmdArgs,
37                        const llvm::Triple &Triple);
38 enum class ReadTPMode {
39   Invalid,
40   Soft,
41   TPIDRURW,
42   TPIDRURO,
43   TPIDRPRW,
44 };
45 
46 enum class FloatABI {
47   Invalid,
48   Soft,
49   SoftFP,
50   Hard,
51 };
52 
53 FloatABI getDefaultFloatABI(const llvm::Triple &Triple);
54 FloatABI getARMFloatABI(const ToolChain &TC, const llvm::opt::ArgList &Args);
55 FloatABI getARMFloatABI(const Driver &D, const llvm::Triple &Triple,
56                         const llvm::opt::ArgList &Args);
57 void setFloatABIInTriple(const Driver &D, const llvm::opt::ArgList &Args,
58                          llvm::Triple &triple);
59 bool isHardTPSupported(const llvm::Triple &Triple);
60 ReadTPMode getReadTPMode(const Driver &D, const llvm::opt::ArgList &Args,
61                          const llvm::Triple &Triple, bool ForAS);
62 void setArchNameInTriple(const Driver &D, const llvm::opt::ArgList &Args,
63                          types::ID InputType, llvm::Triple &Triple);
64 
65 bool useAAPCSForMachO(const llvm::Triple &T);
66 void getARMArchCPUFromArgs(const llvm::opt::ArgList &Args,
67                            llvm::StringRef &Arch, llvm::StringRef &CPU,
68                            bool FromAs = false);
69 llvm::ARM::FPUKind getARMTargetFeatures(const Driver &D,
70                                         const llvm::Triple &Triple,
71                                         const llvm::opt::ArgList &Args,
72                                         std::vector<llvm::StringRef> &Features,
73                                         bool ForAS, bool ForMultilib = false);
74 int getARMSubArchVersionNumber(const llvm::Triple &Triple);
75 bool isARMMProfile(const llvm::Triple &Triple);
76 bool isARMAProfile(const llvm::Triple &Triple);
77 bool isARMBigEndian(const llvm::Triple &Triple, const llvm::opt::ArgList &Args);
78 
79 } // end namespace arm
80 } // end namespace tools
81 } // end namespace driver
82 } // end namespace clang
83 
84 #endif // LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_ARCH_ARM_H
85