Export clang-format16 via ydblib project

6e6be3a95868fde888d801b7590af4044049563f

1 files changed, 204 insertions, 0 deletions

diff --git a/contrib/libs/clang16/lib/Driver/ToolChains/CSKYToolChain.cpp b/contrib/libs/clang16/lib/Driver/ToolChains/CSKYToolChain.cpp
new file mode 100644
index 0000000000..de286faaca
--- /dev/null
+++ b/contrib/libs/clang16/lib/Driver/ToolChains/CSKYToolChain.cpp
@@ -0,0 +1,204 @@
+//===--- CSKYToolchain.cpp - CSKY ToolChain Implementations ---*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "CSKYToolChain.h"
+#include "CommonArgs.h"
+#include "clang/Driver/Compilation.h"
+#include "clang/Driver/InputInfo.h"
+#include "clang/Driver/Options.h"
+#include "llvm/Option/ArgList.h"
+#include "llvm/Support/FileSystem.h"
+#include "llvm/Support/Path.h"
+#include "llvm/Support/raw_ostream.h"
+
+using namespace clang::driver;
+using namespace clang::driver::toolchains;
+using namespace clang::driver::tools;
+using namespace clang;
+using namespace llvm::opt;
+
+static void addMultilibsFilePaths(const Driver &D, const MultilibSet &Multilibs,
+                                  const Multilib &Multilib,
+                                  StringRef InstallPath,
+                                  ToolChain::path_list &Paths) {
+  if (const auto &PathsCallback = Multilibs.filePathsCallback())
+    for (const auto &Path : PathsCallback(Multilib))
+      addPathIfExists(D, InstallPath + Path, Paths);
+}
+
+/// CSKY Toolchain
+CSKYToolChain::CSKYToolChain(const Driver &D, const llvm::Triple &Triple,
+                             const ArgList &Args)
+    : Generic_ELF(D, Triple, Args) {
+  GCCInstallation.init(Triple, Args);
+  if (GCCInstallation.isValid()) {
+    Multilibs = GCCInstallation.getMultilibs();
+    SelectedMultilib = GCCInstallation.getMultilib();
+    path_list &Paths = getFilePaths();
+    // Add toolchain/multilib specific file paths.
+    addMultilibsFilePaths(D, Multilibs, SelectedMultilib,
+                          GCCInstallation.getInstallPath(), Paths);
+    getFilePaths().push_back(GCCInstallation.getInstallPath().str() +
+                             SelectedMultilib.osSuffix());
+    ToolChain::path_list &PPaths = getProgramPaths();
+    // Multilib cross-compiler GCC installations put ld in a triple-prefixed
+    // directory off of the parent of the GCC installation.
+    PPaths.push_back(Twine(GCCInstallation.getParentLibPath() + "/../" +
+                           GCCInstallation.getTriple().str() + "/bin")
+                         .str());
+    PPaths.push_back((GCCInstallation.getParentLibPath() + "/../bin").str());
+  } else {
+    getProgramPaths().push_back(D.Dir);
+  }
+  getFilePaths().push_back(computeSysRoot() + "/lib" +
+                           SelectedMultilib.osSuffix());
+}
+
+Tool *CSKYToolChain::buildLinker() const {
+  return new tools::CSKY::Linker(*this);
+}
+
+ToolChain::RuntimeLibType CSKYToolChain::GetDefaultRuntimeLibType() const {
+  return GCCInstallation.isValid() ? ToolChain::RLT_Libgcc
+                                   : ToolChain::RLT_CompilerRT;
+}
+
+ToolChain::UnwindLibType
+CSKYToolChain::GetUnwindLibType(const llvm::opt::ArgList &Args) const {
+  return ToolChain::UNW_None;
+}
+
+void CSKYToolChain::addClangTargetOptions(const llvm::opt::ArgList &DriverArgs,
+                                          llvm::opt::ArgStringList &CC1Args,
+                                          Action::OffloadKind) const {
+  CC1Args.push_back("-nostdsysteminc");
+}
+
+void CSKYToolChain::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
+                                              ArgStringList &CC1Args) const {
+  if (DriverArgs.hasArg(options::OPT_nostdinc))
+    return;
+
+  if (!DriverArgs.hasArg(options::OPT_nostdlibinc)) {
+    SmallString<128> Dir(computeSysRoot());
+    llvm::sys::path::append(Dir, "include");
+    addSystemInclude(DriverArgs, CC1Args, Dir.str());
+    SmallString<128> Dir2(computeSysRoot());
+    llvm::sys::path::append(Dir2, "sys-include");
+    addSystemInclude(DriverArgs, CC1Args, Dir2.str());
+  }
+}
+
+void CSKYToolChain::addLibStdCxxIncludePaths(
+    const llvm::opt::ArgList &DriverArgs,
+    llvm::opt::ArgStringList &CC1Args) const {
+  const GCCVersion &Version = GCCInstallation.getVersion();
+  StringRef TripleStr = GCCInstallation.getTriple().str();
+  const Multilib &Multilib = GCCInstallation.getMultilib();
+  addLibStdCXXIncludePaths(computeSysRoot() + "/include/c++/" + Version.Text,
+                           TripleStr, Multilib.includeSuffix(), DriverArgs,
+                           CC1Args);
+}
+
+std::string CSKYToolChain::computeSysRoot() const {
+  if (!getDriver().SysRoot.empty())
+    return getDriver().SysRoot;
+
+  SmallString<128> SysRootDir;
+  if (GCCInstallation.isValid()) {
+    StringRef LibDir = GCCInstallation.getParentLibPath();
+    StringRef TripleStr = GCCInstallation.getTriple().str();
+    llvm::sys::path::append(SysRootDir, LibDir, "..", TripleStr);
+  } else {
+    // Use the triple as provided to the driver. Unlike the parsed triple
+    // this has not been normalized to always contain every field.
+    llvm::sys::path::append(SysRootDir, getDriver().Dir, "..",
+                            getDriver().getTargetTriple());
+  }
+
+  if (!llvm::sys::fs::exists(SysRootDir))
+    return std::string();
+
+  return std::string(SysRootDir.str());
+}
+
+void CSKY::Linker::ConstructJob(Compilation &C, const JobAction &JA,
+                                const InputInfo &Output,
+                                const InputInfoList &Inputs,
+                                const ArgList &Args,
+                                const char *LinkingOutput) const {
+  const ToolChain &ToolChain = getToolChain();
+  const Driver &D = ToolChain.getDriver();
+  ArgStringList CmdArgs;
+
+  if (!D.SysRoot.empty())
+    CmdArgs.push_back(Args.MakeArgString("--sysroot=" + D.SysRoot));
+
+  CmdArgs.push_back("-m");
+  CmdArgs.push_back("cskyelf");
+
+  std::string Linker = getToolChain().GetLinkerPath();
+
+  bool WantCRTs =
+      !Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles);
+
+  const char *crtbegin, *crtend;
+  auto RuntimeLib = ToolChain.GetRuntimeLibType(Args);
+  if (RuntimeLib == ToolChain::RLT_Libgcc) {
+    crtbegin = "crtbegin.o";
+    crtend = "crtend.o";
+  } else {
+    assert(RuntimeLib == ToolChain::RLT_CompilerRT);
+    crtbegin = ToolChain.getCompilerRTArgString(Args, "crtbegin",
+                                                ToolChain::FT_Object);
+    crtend =
+        ToolChain.getCompilerRTArgString(Args, "crtend", ToolChain::FT_Object);
+  }
+
+  if (WantCRTs) {
+    CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crt0.o")));
+    CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crti.o")));
+    CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath(crtbegin)));
+  }
+
+  Args.AddAllArgs(CmdArgs, options::OPT_L);
+  ToolChain.AddFilePathLibArgs(Args, CmdArgs);
+  Args.AddAllArgs(CmdArgs,
+                  {options::OPT_T_Group, options::OPT_e, options::OPT_s,
+                   options::OPT_t, options::OPT_Z_Flag, options::OPT_r});
+
+  AddLinkerInputs(ToolChain, Inputs, Args, CmdArgs, JA);
+
+  // TODO: add C++ includes and libs if compiling C++.
+
+  if (!Args.hasArg(options::OPT_nostdlib) &&
+      !Args.hasArg(options::OPT_nodefaultlibs)) {
+    if (ToolChain.ShouldLinkCXXStdlib(Args))
+      ToolChain.AddCXXStdlibLibArgs(Args, CmdArgs);
+    CmdArgs.push_back("--start-group");
+    CmdArgs.push_back("-lc");
+    if (Args.hasArg(options::OPT_msim))
+      CmdArgs.push_back("-lsemi");
+    else
+      CmdArgs.push_back("-lnosys");
+    CmdArgs.push_back("--end-group");
+    AddRunTimeLibs(ToolChain, ToolChain.getDriver(), CmdArgs, Args);
+  }
+
+  if (WantCRTs) {
+    CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath(crtend)));
+    CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crtn.o")));
+  }
+
+  CmdArgs.push_back("-o");
+  CmdArgs.push_back(Output.getFilename());
+  C.addCommand(std::make_unique<Command>(
+      JA, *this, ResponseFileSupport::AtFileCurCP(), Args.MakeArgString(Linker),
+      CmdArgs, Inputs, Output));
+}
+// CSKY tools end.