1 files changed, 282 insertions, 0 deletions
diff --git a/contrib/llvm/tools/clang/lib/Driver/ToolChains/Solaris.cpp b/contrib/llvm/tools/clang/lib/Driver/ToolChains/Solaris.cpp
new file mode 100644
index 000000000000..b48edbb08ee6
--- /dev/null
+++ b/contrib/llvm/tools/clang/lib/Driver/ToolChains/Solaris.cpp
@@ -0,0 +1,282 @@
+//===--- Solaris.cpp - Solaris ToolChain Implementations --------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "Solaris.h"
+#include "CommonArgs.h"
+#include "clang/Config/config.h"
+#include "clang/Driver/Compilation.h"
+#include "clang/Driver/Driver.h"
+#include "clang/Driver/DriverDiagnostic.h"
+#include "clang/Driver/Options.h"
+#include "llvm/Option/ArgList.h"
+#include "llvm/Support/FileSystem.h"
+#include "llvm/Support/Path.h"
+
+using namespace clang::driver;
+using namespace clang::driver::tools;
+using namespace clang::driver::toolchains;
+using namespace clang;
+using namespace llvm::opt;
+
+void solaris::Assembler::ConstructJob(Compilation &C, const JobAction &JA,
+                                      const InputInfo &Output,
+                                      const InputInfoList &Inputs,
+                                      const ArgList &Args,
+                                      const char *LinkingOutput) const {
+  claimNoWarnArgs(Args);
+  ArgStringList CmdArgs;
+
+  Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, options::OPT_Xassembler);
+
+  CmdArgs.push_back("-o");
+  CmdArgs.push_back(Output.getFilename());
+
+  for (const auto &II : Inputs)
+    CmdArgs.push_back(II.getFilename());
+
+  const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath("as"));
+  C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs, Inputs));
+}
+
+void solaris::Linker::ConstructJob(Compilation &C, const JobAction &JA,
+                                   const InputInfo &Output,
+                                   const InputInfoList &Inputs,
+                                   const ArgList &Args,
+                                   const char *LinkingOutput) const {
+  ArgStringList CmdArgs;
+
+  // Demangle C++ names in errors
+  CmdArgs.push_back("-C");
+
+  if (!Args.hasArg(options::OPT_nostdlib, options::OPT_shared)) {
+    CmdArgs.push_back("-e");
+    CmdArgs.push_back("_start");
+  }
+
+  if (Args.hasArg(options::OPT_static)) {
+    CmdArgs.push_back("-Bstatic");
+    CmdArgs.push_back("-dn");
+  } else {
+    CmdArgs.push_back("-Bdynamic");
+    if (Args.hasArg(options::OPT_shared)) {
+      CmdArgs.push_back("-shared");
+    } else {
+      CmdArgs.push_back("--dynamic-linker");
+      CmdArgs.push_back(
+          Args.MakeArgString(getToolChain().GetFilePath("ld.so.1")));
+    }
+
+    // libpthread has been folded into libc since Solaris 10, no need to do
+    // anything for pthreads. Claim argument to avoid warning.
+    Args.ClaimAllArgs(options::OPT_pthread);
+    Args.ClaimAllArgs(options::OPT_pthreads);
+  }
+
+  if (Output.isFilename()) {
+    CmdArgs.push_back("-o");
+    CmdArgs.push_back(Output.getFilename());
+  } else {
+    assert(Output.isNothing() && "Invalid output.");
+  }
+
+  if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles)) {
+    if (!Args.hasArg(options::OPT_shared))
+      CmdArgs.push_back(
+          Args.MakeArgString(getToolChain().GetFilePath("crt1.o")));
+
+    CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath("crti.o")));
+    CmdArgs.push_back(
+        Args.MakeArgString(getToolChain().GetFilePath("values-Xa.o")));
+    CmdArgs.push_back(
+        Args.MakeArgString(getToolChain().GetFilePath("crtbegin.o")));
+  }
+
+  // Provide __start___sancov_guards.  Solaris ld doesn't automatically create
+  // __start_SECNAME labels.
+  CmdArgs.push_back("--whole-archive");
+  CmdArgs.push_back(
+      getToolChain().getCompilerRTArgString(Args, "sancov_begin", false));
+  CmdArgs.push_back("--no-whole-archive");
+
+  getToolChain().AddFilePathLibArgs(Args, CmdArgs);
+
+  Args.AddAllArgs(CmdArgs, {options::OPT_L, options::OPT_T_Group,
+                            options::OPT_e, options::OPT_r});
+
+  bool NeedsSanitizerDeps = addSanitizerRuntimes(getToolChain(), Args, CmdArgs);
+  AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs, JA);
+
+  if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs)) {
+    if (getToolChain().ShouldLinkCXXStdlib(Args))
+      getToolChain().AddCXXStdlibLibArgs(Args, CmdArgs);
+    if (Args.hasArg(options::OPT_fstack_protector) ||
+        Args.hasArg(options::OPT_fstack_protector_strong) ||
+        Args.hasArg(options::OPT_fstack_protector_all)) {
+      // Explicitly link ssp libraries, not folded into Solaris libc.
+      CmdArgs.push_back("-lssp_nonshared");
+      CmdArgs.push_back("-lssp");
+    }
+    CmdArgs.push_back("-lgcc_s");
+    CmdArgs.push_back("-lc");
+    if (!Args.hasArg(options::OPT_shared)) {
+      CmdArgs.push_back("-lgcc");
+      CmdArgs.push_back("-lm");
+    }
+    if (NeedsSanitizerDeps)
+      linkSanitizerRuntimeDeps(getToolChain(), CmdArgs);
+  }
+
+  // Provide __stop___sancov_guards.  Solaris ld doesn't automatically create
+  // __stop_SECNAME labels.
+  CmdArgs.push_back("--whole-archive");
+  CmdArgs.push_back(
+      getToolChain().getCompilerRTArgString(Args, "sancov_end", false));
+  CmdArgs.push_back("--no-whole-archive");
+
+  if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles)) {
+    CmdArgs.push_back(
+        Args.MakeArgString(getToolChain().GetFilePath("crtend.o")));
+  }
+  CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath("crtn.o")));
+
+  getToolChain().addProfileRTLibs(Args, CmdArgs);
+
+  const char *Exec = Args.MakeArgString(getToolChain().GetLinkerPath());
+  C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs, Inputs));
+}
+
+static StringRef getSolarisLibSuffix(const llvm::Triple &Triple) {
+  switch (Triple.getArch()) {
+  case llvm::Triple::x86:
+  case llvm::Triple::sparc:
+    break;
+  case llvm::Triple::x86_64:
+    return "/amd64";
+  case llvm::Triple::sparcv9:
+    return "/sparcv9";
+  default:
+    llvm_unreachable("Unsupported architecture");
+  }
+  return "";
+}
+
+/// Solaris - Solaris tool chain which can call as(1) and ld(1) directly.
+
+Solaris::Solaris(const Driver &D, const llvm::Triple &Triple,
+                 const ArgList &Args)
+    : Generic_ELF(D, Triple, Args) {
+
+  GCCInstallation.init(Triple, Args);
+
+  StringRef LibSuffix = getSolarisLibSuffix(Triple);
+  path_list &Paths = getFilePaths();
+  if (GCCInstallation.isValid()) {
+    // On Solaris gcc uses both an architecture-specific path with triple in it
+    // as well as a more generic lib path (+arch suffix).
+    addPathIfExists(D,
+                    GCCInstallation.getInstallPath() +
+                        GCCInstallation.getMultilib().gccSuffix(),
+                    Paths);
+    addPathIfExists(D, GCCInstallation.getParentLibPath() + LibSuffix, Paths);
+  }
+
+  // If we are currently running Clang inside of the requested system root,
+  // add its parent library path to those searched.
+  if (StringRef(D.Dir).startswith(D.SysRoot))
+    addPathIfExists(D, D.Dir + "/../lib", Paths);
+
+  addPathIfExists(D, D.SysRoot + "/usr/lib" + LibSuffix, Paths);
+}
+
+SanitizerMask Solaris::getSupportedSanitizers() const {
+  const bool IsX86 = getTriple().getArch() == llvm::Triple::x86;
+  SanitizerMask Res = ToolChain::getSupportedSanitizers();
+  // FIXME: Omit X86_64 until 64-bit support is figured out.
+  if (IsX86) {
+    Res |= SanitizerKind::Address;
+  }
+  Res |= SanitizerKind::Vptr;
+  return Res;
+}
+
+Tool *Solaris::buildAssembler() const {
+  return new tools::solaris::Assembler(*this);
+}
+
+Tool *Solaris::buildLinker() const { return new tools::solaris::Linker(*this); }
+
+void Solaris::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
+                                        ArgStringList &CC1Args) const {
+  const Driver &D = getDriver();
+
+  if (DriverArgs.hasArg(clang::driver::options::OPT_nostdinc))
+    return;
+
+  if (!DriverArgs.hasArg(options::OPT_nostdlibinc))
+    addSystemInclude(DriverArgs, CC1Args, D.SysRoot + "/usr/local/include");
+
+  if (!DriverArgs.hasArg(options::OPT_nobuiltininc)) {
+    SmallString<128> P(D.ResourceDir);
+    llvm::sys::path::append(P, "include");
+    addSystemInclude(DriverArgs, CC1Args, P);
+  }
+
+  if (DriverArgs.hasArg(options::OPT_nostdlibinc))
+    return;
+
+  // Check for configure-time C include directories.
+  StringRef CIncludeDirs(C_INCLUDE_DIRS);
+  if (CIncludeDirs != "") {
+    SmallVector<StringRef, 5> dirs;
+    CIncludeDirs.split(dirs, ":");
+    for (StringRef dir : dirs) {
+      StringRef Prefix =
+          llvm::sys::path::is_absolute(dir) ? StringRef(D.SysRoot) : "";
+      addExternCSystemInclude(DriverArgs, CC1Args, Prefix + dir);
+    }
+    return;
+  }
+
+  // Add include directories specific to the selected multilib set and multilib.
+  if (GCCInstallation.isValid()) {
+    const MultilibSet::IncludeDirsFunc &Callback =
+        Multilibs.includeDirsCallback();
+    if (Callback) {
+      for (const auto &Path : Callback(GCCInstallation.getMultilib()))
+        addExternCSystemIncludeIfExists(
+            DriverArgs, CC1Args, GCCInstallation.getInstallPath() + Path);
+    }
+  }
+
+  addExternCSystemInclude(DriverArgs, CC1Args, D.SysRoot + "/usr/include");
+}
+
+void Solaris::addLibStdCxxIncludePaths(
+    const llvm::opt::ArgList &DriverArgs,
+    llvm::opt::ArgStringList &CC1Args) const {
+  // We need a detected GCC installation on Solaris (similar to Linux)
+  // to provide libstdc++'s headers.
+  if (!GCCInstallation.isValid())
+    return;
+
+  // By default, look for the C++ headers in an include directory adjacent to
+  // the lib directory of the GCC installation.
+  // On Solaris this usually looks like /usr/gcc/X.Y/include/c++/X.Y.Z
+  StringRef LibDir = GCCInstallation.getParentLibPath();
+  StringRef TripleStr = GCCInstallation.getTriple().str();
+  const Multilib &Multilib = GCCInstallation.getMultilib();
+  const GCCVersion &Version = GCCInstallation.getVersion();
+
+  // The primary search for libstdc++ supports multiarch variants.
+  addLibStdCXXIncludePaths(LibDir.str() + "/../include", "/c++/" + Version.Text,
+                           TripleStr,
+                           /*GCCMultiarchTriple*/ "",
+                           /*TargetMultiarchTriple*/ "",
+                           Multilib.includeSuffix(), DriverArgs, CC1Args);
+}