1 //===--- PS4CPU.h - PS4CPU ToolChain Implementations ------------*- 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_PS4CPU_H
10 #define LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_PS4CPU_H
11 
12 #include "Gnu.h"
13 #include "clang/Basic/LangOptions.h"
14 #include "clang/Driver/Tool.h"
15 #include "clang/Driver/ToolChain.h"
16 
17 namespace clang {
18 namespace driver {
19 namespace tools {
20 
21 namespace PScpu {
22 // Functions/classes in this namespace support both PS4 and PS5.
23 
24 void addProfileRTArgs(const ToolChain &TC, const llvm::opt::ArgList &Args,
25                       llvm::opt::ArgStringList &CmdArgs);
26 
27 void addSanitizerArgs(const ToolChain &TC, const llvm::opt::ArgList &Args,
28                       llvm::opt::ArgStringList &CmdArgs);
29 
30 class LLVM_LIBRARY_VISIBILITY Assembler : public Tool {
31 public:
32   Assembler(const ToolChain &TC) : Tool("PScpu::Assembler", "assembler", TC) {}
33 
34   bool hasIntegratedCPP() const override { return false; }
35 
36   void ConstructJob(Compilation &C, const JobAction &JA,
37                     const InputInfo &Output, const InputInfoList &Inputs,
38                     const llvm::opt::ArgList &TCArgs,
39                     const char *LinkingOutput) const override;
40 };
41 
42 class LLVM_LIBRARY_VISIBILITY Linker : public Tool {
43 public:
44   Linker(const ToolChain &TC) : Tool("PScpu::Linker", "linker", TC) {}
45 
46   bool hasIntegratedCPP() const override { return false; }
47   bool isLinkJob() const override { return true; }
48 
49   void ConstructJob(Compilation &C, const JobAction &JA,
50                     const InputInfo &Output, const InputInfoList &Inputs,
51                     const llvm::opt::ArgList &TCArgs,
52                     const char *LinkingOutput) const override;
53 };
54 } // namespace PScpu
55 } // namespace tools
56 
57 namespace toolchains {
58 
59 // Common Toolchain base class for PS4 and PS5.
60 class LLVM_LIBRARY_VISIBILITY PS4PS5Base : public Generic_ELF {
61 public:
62   PS4PS5Base(const Driver &D, const llvm::Triple &Triple,
63              const llvm::opt::ArgList &Args, StringRef Platform,
64              const char *EnvVar);
65 
66   void
67   AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs,
68                             llvm::opt::ArgStringList &CC1Args) const override;
69   // No support for finding a C++ standard library yet.
70   void addLibCxxIncludePaths(const llvm::opt::ArgList &DriverArgs,
71                              llvm::opt::ArgStringList &CC1Args) const override {
72   }
73   void
74   addLibStdCxxIncludePaths(const llvm::opt::ArgList &DriverArgs,
75                            llvm::opt::ArgStringList &CC1Args) const override {}
76 
77   bool IsMathErrnoDefault() const override { return false; }
78   bool IsObjCNonFragileABIDefault() const override { return true; }
79   bool HasNativeLLVMSupport() const override { return true; }
80   bool isPICDefault() const override { return true; }
81 
82   LangOptions::StackProtectorMode
83   GetDefaultStackProtectorLevel(bool KernelOrKext) const override {
84     return LangOptions::SSPStrong;
85   }
86 
87   llvm::DebuggerKind getDefaultDebuggerTuning() const override {
88     return llvm::DebuggerKind::SCE;
89   }
90 
91   SanitizerMask getSupportedSanitizers() const override;
92 
93   void addClangTargetOptions(
94       const llvm::opt::ArgList &DriverArgs, llvm::opt::ArgStringList &CC1Args,
95       Action::OffloadKind DeviceOffloadingKind) const override;
96 
97   llvm::DenormalMode getDefaultDenormalModeForType(
98       const llvm::opt::ArgList &DriverArgs, const JobAction &JA,
99       const llvm::fltSemantics *FPType) const override {
100     // DAZ and FTZ are on by default.
101     return llvm::DenormalMode::getPreserveSign();
102   }
103 
104   // Helper methods for PS4/PS5.
105   virtual const char *getLinkerBaseName() const = 0;
106   virtual std::string qualifyPSCmdName(StringRef CmdName) const = 0;
107   virtual void addSanitizerArgs(const llvm::opt::ArgList &Args,
108                                 llvm::opt::ArgStringList &CmdArgs,
109                                 const char *Prefix,
110                                 const char *Suffix) const = 0;
111   virtual const char *getProfileRTLibName() const = 0;
112 
113 protected:
114   Tool *buildLinker() const override;
115 
116 private:
117   // We compute the SDK root dir in the ctor, and use it later.
118   std::string SDKRootDir;
119 };
120 
121 // PS4-specific Toolchain class.
122 class LLVM_LIBRARY_VISIBILITY PS4CPU : public PS4PS5Base {
123 public:
124   PS4CPU(const Driver &D, const llvm::Triple &Triple,
125          const llvm::opt::ArgList &Args);
126 
127   unsigned GetDefaultDwarfVersion() const override { return 4; }
128 
129   // PS4 toolchain uses legacy thin LTO API, which is not
130   // capable of unit splitting.
131   bool canSplitThinLTOUnit() const override { return false; }
132 
133   const char *getLinkerBaseName() const override { return "ld"; }
134   std::string qualifyPSCmdName(StringRef CmdName) const override {
135     return Twine("orbis-", CmdName).str();
136   }
137   void addSanitizerArgs(const llvm::opt::ArgList &Args,
138                         llvm::opt::ArgStringList &CmdArgs, const char *Prefix,
139                         const char *Suffix) const override;
140   const char *getProfileRTLibName() const override {
141     return "libclang_rt.profile-x86_64.a";
142   }
143 
144 protected:
145   Tool *buildAssembler() const override;
146 };
147 
148 // PS5-specific Toolchain class.
149 class LLVM_LIBRARY_VISIBILITY PS5CPU : public PS4PS5Base {
150 public:
151   PS5CPU(const Driver &D, const llvm::Triple &Triple,
152          const llvm::opt::ArgList &Args);
153 
154   unsigned GetDefaultDwarfVersion() const override { return 5; }
155 
156   SanitizerMask getSupportedSanitizers() const override;
157 
158   const char *getLinkerBaseName() const override { return "lld"; }
159   std::string qualifyPSCmdName(StringRef CmdName) const override {
160     return Twine("prospero-", CmdName).str();
161   }
162   void addSanitizerArgs(const llvm::opt::ArgList &Args,
163                         llvm::opt::ArgStringList &CmdArgs, const char *Prefix,
164                         const char *Suffix) const override;
165   const char *getProfileRTLibName() const override {
166     return "libclang_rt.profile-x86_64_nosubmission.a";
167   }
168 
169 protected:
170   Tool *buildAssembler() const override;
171 };
172 
173 } // end namespace toolchains
174 } // end namespace driver
175 } // end namespace clang
176 
177 #endif // LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_PS4CPU_H
178