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      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/ADT/Triple.h"
     15 #include "llvm/Option/Option.h"
     16 #include "llvm/Support/TargetParser.h"
     17 #include <string>
     18 #include <vector>
     19 
     20 namespace clang {
     21 namespace driver {
     22 namespace tools {
     23 namespace arm {
     24 
     25 std::string getARMTargetCPU(StringRef CPU, llvm::StringRef Arch,
     26                             const llvm::Triple &Triple);
     27 const std::string getARMArch(llvm::StringRef Arch, const llvm::Triple &Triple);
     28 StringRef getARMCPUForMArch(llvm::StringRef Arch, const llvm::Triple &Triple);
     29 llvm::ARM::ArchKind getLLVMArchKindForARM(StringRef CPU, StringRef Arch,
     30                                           const llvm::Triple &Triple);
     31 StringRef getLLVMArchSuffixForARM(llvm::StringRef CPU, llvm::StringRef Arch,
     32                                   const llvm::Triple &Triple);
     33 
     34 void appendBE8LinkFlag(const llvm::opt::ArgList &Args,
     35                        llvm::opt::ArgStringList &CmdArgs,
     36                        const llvm::Triple &Triple);
     37 enum class ReadTPMode {
     38   Invalid,
     39   Soft,
     40   Cp15,
     41 };
     42 
     43 enum class FloatABI {
     44   Invalid,
     45   Soft,
     46   SoftFP,
     47   Hard,
     48 };
     49 
     50 FloatABI getDefaultFloatABI(const llvm::Triple &Triple);
     51 FloatABI getARMFloatABI(const ToolChain &TC, const llvm::opt::ArgList &Args);
     52 FloatABI getARMFloatABI(const Driver &D, const llvm::Triple &Triple,
     53                         const llvm::opt::ArgList &Args);
     54 void setFloatABIInTriple(const Driver &D, const llvm::opt::ArgList &Args,
     55                          llvm::Triple &triple);
     56 ReadTPMode getReadTPMode(const Driver &D, const llvm::opt::ArgList &Args);
     57 void setArchNameInTriple(const Driver &D, const llvm::opt::ArgList &Args,
     58                          types::ID InputType, llvm::Triple &Triple);
     59 
     60 bool useAAPCSForMachO(const llvm::Triple &T);
     61 void getARMArchCPUFromArgs(const llvm::opt::ArgList &Args,
     62                            llvm::StringRef &Arch, llvm::StringRef &CPU,
     63                            bool FromAs = false);
     64 void getARMTargetFeatures(const Driver &D, const llvm::Triple &Triple,
     65                           const llvm::opt::ArgList &Args,
     66                           llvm::opt::ArgStringList &CmdArgs,
     67                           std::vector<llvm::StringRef> &Features, bool ForAS);
     68 int getARMSubArchVersionNumber(const llvm::Triple &Triple);
     69 bool isARMMProfile(const llvm::Triple &Triple);
     70 bool isARMAProfile(const llvm::Triple &Triple);
     71 
     72 } // end namespace arm
     73 } // end namespace tools
     74 } // end namespace driver
     75 } // end namespace clang
     76 
     77 #endif // LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_ARCH_ARM_H
     78