[Driver] Support object files in addition to static and shared libraries in compiler-rt
authorPetr Hosek <phosek@chromium.org>
Tue, 12 Mar 2019 02:12:48 +0000 (02:12 +0000)
committerPetr Hosek <phosek@chromium.org>
Tue, 12 Mar 2019 02:12:48 +0000 (02:12 +0000)
This change introduces support for object files in addition to static
and shared libraries which were already supported which requires
changing the type of the argument from boolean to an enum.

Differential Revision: https://reviews.llvm.org/D56044

llvm-svn: 355891

clang/include/clang/Driver/ToolChain.h
clang/lib/Driver/ToolChain.cpp
clang/lib/Driver/ToolChains/CommonArgs.cpp
clang/lib/Driver/ToolChains/MinGW.cpp
clang/lib/Driver/ToolChains/MipsLinux.cpp
clang/lib/Driver/ToolChains/MipsLinux.h

index 3b18498..24ba25a 100644 (file)
@@ -104,6 +104,8 @@ public:
     RM_Disabled,
   };
 
+  enum FileType { FT_Object, FT_Static, FT_Shared };
+
 private:
   friend class RegisterEffectiveTriple;
 
@@ -371,11 +373,11 @@ public:
 
   virtual std::string getCompilerRT(const llvm::opt::ArgList &Args,
                                     StringRef Component,
-                                    bool Shared = false) const;
+                                    FileType Type = ToolChain::FT_Static) const;
 
-  const char *getCompilerRTArgString(const llvm::opt::ArgList &Args,
-                                     StringRef Component,
-                                     bool Shared = false) const;
+  const char *
+  getCompilerRTArgString(const llvm::opt::ArgList &Args, StringRef Component,
+                         FileType Type = ToolChain::FT_Static) const;
 
   // Returns <ResourceDir>/lib/<OSName>/<arch>.  This is used by runtimes (such
   // as OpenMP) to find arch-specific libraries.
index a89983d..6b56271 100644 (file)
@@ -362,16 +362,27 @@ std::string ToolChain::getCompilerRTPath() const {
 }
 
 std::string ToolChain::getCompilerRT(const ArgList &Args, StringRef Component,
-                                     bool Shared) const {
+                                     FileType Type) const {
   const llvm::Triple &TT = getTriple();
   bool IsITANMSVCWindows =
       TT.isWindowsMSVCEnvironment() || TT.isWindowsItaniumEnvironment();
 
-  const char *Prefix = IsITANMSVCWindows ? "" : "lib";
-  const char *Suffix = Shared ? (Triple.isOSWindows() ? ".lib" : ".so")
-                              : (IsITANMSVCWindows ? ".lib" : ".a");
-  if (Shared && Triple.isWindowsGNUEnvironment())
-    Suffix = ".dll.a";
+  const char *Prefix =
+      IsITANMSVCWindows || Type == ToolChain::FT_Object ? "" : "lib";
+  const char *Suffix;
+  switch (Type) {
+  case ToolChain::FT_Object:
+    Suffix = IsITANMSVCWindows ? ".obj" : ".o";
+    break;
+  case ToolChain::FT_Static:
+    Suffix = IsITANMSVCWindows ? ".lib" : ".a";
+    break;
+  case ToolChain::FT_Shared:
+    Suffix = Triple.isOSWindows()
+                 ? (Triple.isWindowsGNUEnvironment() ? ".dll.a" : ".lib")
+                 : ".so";
+    break;
+  }
 
   for (const auto &LibPath : getLibraryPaths()) {
     SmallString<128> P(LibPath);
@@ -390,8 +401,8 @@ std::string ToolChain::getCompilerRT(const ArgList &Args, StringRef Component,
 
 const char *ToolChain::getCompilerRTArgString(const llvm::opt::ArgList &Args,
                                               StringRef Component,
-                                              bool Shared) const {
-  return Args.MakeArgString(getCompilerRT(Args, Component, Shared));
+                                              FileType Type) const {
+  return Args.MakeArgString(getCompilerRT(Args, Component, Type));
 }
 
 std::string ToolChain::getArchSpecificLibPath() const {
index a90ac9f..eb22f8d 100644 (file)
@@ -535,7 +535,8 @@ static void addSanitizerRuntime(const ToolChain &TC, const ArgList &Args,
   // Wrap any static runtimes that must be forced into executable in
   // whole-archive.
   if (IsWhole) CmdArgs.push_back("--whole-archive");
-  CmdArgs.push_back(TC.getCompilerRTArgString(Args, Sanitizer, IsShared));
+  CmdArgs.push_back(TC.getCompilerRTArgString(
+      Args, Sanitizer, IsShared ? ToolChain::FT_Shared : ToolChain::FT_Static));
   if (IsWhole) CmdArgs.push_back("--no-whole-archive");
 
   if (IsShared) {
index 7b2af0c..b08ca7a 100644 (file)
@@ -248,8 +248,8 @@ void tools::MinGW::Linker::ConstructJob(Compilation &C, const JobAction &JA,
 
       if (Sanitize.needsAsanRt()) {
         // MinGW always links against a shared MSVCRT.
-        CmdArgs.push_back(
-            TC.getCompilerRTArgString(Args, "asan_dynamic", true));
+        CmdArgs.push_back(TC.getCompilerRTArgString(Args, "asan_dynamic",
+                                                    ToolChain::FT_Shared));
         CmdArgs.push_back(
             TC.getCompilerRTArgString(Args, "asan_dynamic_runtime_thunk"));
         CmdArgs.push_back(Args.MakeArgString("--require-defined"));
index 47d8363..cfda7f4 100644 (file)
@@ -118,11 +118,23 @@ void MipsLLVMToolChain::AddCXXStdlibLibArgs(const ArgList &Args,
 
 std::string MipsLLVMToolChain::getCompilerRT(const ArgList &Args,
                                              StringRef Component,
-                                             bool Shared) const {
+                                             FileType Type) const {
   SmallString<128> Path(getDriver().ResourceDir);
   llvm::sys::path::append(Path, SelectedMultilib.osSuffix(), "lib" + LibSuffix,
                           getOS());
-  llvm::sys::path::append(Path, Twine("libclang_rt." + Component + "-" +
-                                      "mips" + (Shared ? ".so" : ".a")));
+  const char *Suffix;
+  switch (Type) {
+  case ToolChain::FT_Object:
+    Suffix = ".o";
+    break;
+  case ToolChain::FT_Static:
+    Suffix = ".a";
+    break;
+  case ToolChain::FT_Shared:
+    Suffix = ".so";
+    break;
+  }
+  llvm::sys::path::append(
+      Path, Twine("libclang_rt." + Component + "-" + "mips" + Suffix));
   return Path.str();
 }
index 929d0bc..31b547c 100644 (file)
@@ -37,8 +37,9 @@ public:
   void AddCXXStdlibLibArgs(const llvm::opt::ArgList &Args,
                            llvm::opt::ArgStringList &CmdArgs) const override;
 
-  std::string getCompilerRT(const llvm::opt::ArgList &Args, StringRef Component,
-                            bool Shared = false) const override;
+  std::string
+  getCompilerRT(const llvm::opt::ArgList &Args, StringRef Component,
+                FileType Type = ToolChain::FT_Static) const override;
 
   std::string computeSysRoot() const override;