clang/lib/Driver/ToolChains/Haiku.cpp

   1 //===--- Haiku.cpp - Haiku 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 #include "Haiku.h"
  10 #include "CommonArgs.h"
  11 #include "clang/Config/config.h"
  12 #include "clang/Driver/Compilation.h"
  13 #include "llvm/Support/Path.h"
  14
  15 using namespace clang::driver;
  16 using namespace clang::driver::tools;
  17 using namespace clang::driver::toolchains;
  18 using namespace clang;
  19 using namespace llvm::opt;
  20
  21 void haiku::Linker::ConstructJob(Compilation &C, const JobAction &JA,
  22                                    const InputInfo &Output,
  23                                    const InputInfoList &Inputs,
  24                                    const ArgList &Args,
  25                                    const char *LinkingOutput) const {
  26   const auto &ToolChain = static_cast<const Haiku &>(getToolChain());
  27   const Driver &D = ToolChain.getDriver();
  28   const llvm::Triple::ArchType Arch = ToolChain.getArch();
  29   const bool Static = Args.hasArg(options::OPT_static);
  30   const bool Shared = Args.hasArg(options::OPT_shared);
  31   ArgStringList CmdArgs;
  32
  33   // Silence warning for "clang -g foo.o -o foo"
  34   Args.ClaimAllArgs(options::OPT_g_Group);
  35   // and "clang -emit-llvm foo.o -o foo"
  36   Args.ClaimAllArgs(options::OPT_emit_llvm);
  37   // and for "clang -w foo.o -o foo". Other warning options are already
  38   // handled somewhere else.
  39   Args.ClaimAllArgs(options::OPT_w);
  40
  41   // Silence warning for "clang -pie foo.o -o foo"
  42   Args.ClaimAllArgs(options::OPT_pie);
  43
  44   // -rdynamic is a no-op with Haiku. Claim argument to avoid warning.
  45   Args.ClaimAllArgs(options::OPT_rdynamic);
  46
  47   if (!D.SysRoot.empty())
  48     CmdArgs.push_back(Args.MakeArgString("--sysroot=" + D.SysRoot));
  49
  50   CmdArgs.push_back("--eh-frame-hdr");
  51   if (Static) {
  52     CmdArgs.push_back("-Bstatic");
  53   } else {
  54     if (Shared)
  55       CmdArgs.push_back("-shared");
  56     CmdArgs.push_back("--enable-new-dtags");
  57   }
  58
  59   CmdArgs.push_back("-shared");
  60
  61   if (!Shared)
  62     CmdArgs.push_back("--no-undefined");
  63
  64   if (Arch == llvm::Triple::riscv64)
  65     CmdArgs.push_back("-X");
  66
  67   assert((Output.isFilename() || Output.isNothing()) && "Invalid output.");
  68   if (Output.isFilename()) {
  69     CmdArgs.push_back("-o");
  70     CmdArgs.push_back(Output.getFilename());
  71   }
  72
  73   if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles,
  74                    options::OPT_r)) {
  75     CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crti.o")));
  76     CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crtbeginS.o")));
  77     if (!Shared)
  78       CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("start_dyn.o")));
  79     CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("init_term_dyn.o")));
  80   }
  81
  82   Args.addAllArgs(CmdArgs, {options::OPT_L, options::OPT_T_Group,
  83                             options::OPT_s, options::OPT_t, options::OPT_r});
  84   ToolChain.AddFilePathLibArgs(Args, CmdArgs);
  85
  86   if (D.isUsingLTO()) {
  87     assert(!Inputs.empty() && "Must have at least one input.");
  88     // Find the first filename InputInfo object.
  89     auto Input = llvm::find_if(
  90         Inputs, [](const InputInfo &II) -> bool { return II.isFilename(); });
  91     if (Input == Inputs.end())
  92       // For a very rare case, all of the inputs to the linker are
  93       // InputArg. If that happens, just use the first InputInfo.
  94       Input = Inputs.begin();
  95
  96     addLTOOptions(ToolChain, Args, CmdArgs, Output, *Input,
  97                   D.getLTOMode() == LTOK_Thin);
  98   }
  99
 100   addLinkerCompressDebugSectionsOption(ToolChain, Args, CmdArgs);
 101   AddLinkerInputs(ToolChain, Inputs, Args, CmdArgs, JA);
 102
 103   if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs,
 104                    options::OPT_r)) {
 105     // Use the static OpenMP runtime with -static-openmp
 106     bool StaticOpenMP = Args.hasArg(options::OPT_static_openmp) && !Static;
 107     addOpenMPRuntime(CmdArgs, ToolChain, Args, StaticOpenMP);
 108
 109     if (D.CCCIsCXX() && ToolChain.ShouldLinkCXXStdlib(Args))
 110       ToolChain.AddCXXStdlibLibArgs(Args, CmdArgs);
 111
 112     // Silence warnings when linking C code with a C++ '-stdlib' argument.
 113     Args.ClaimAllArgs(options::OPT_stdlib_EQ);
 114
 115     // Additional linker set-up and flags for Fortran. This is required in order
 116     // to generate executables. As Fortran runtime depends on the C runtime,
 117     // these dependencies need to be listed before the C runtime below (i.e.
 118     // AddRunTimeLibs).
 119     if (D.IsFlangMode()) {
 120       addFortranRuntimeLibraryPath(ToolChain, Args, CmdArgs);
 121       addFortranRuntimeLibs(ToolChain, Args, CmdArgs);
 122     }
 123
 124     CmdArgs.push_back("-lgcc");
 125
 126     CmdArgs.push_back("--push-state");
 127     CmdArgs.push_back("--as-needed");
 128     CmdArgs.push_back("-lgcc_s");
 129     CmdArgs.push_back("--no-as-needed");
 130     CmdArgs.push_back("--pop-state");
 131
 132     CmdArgs.push_back("-lroot");
 133
 134     CmdArgs.push_back("-lgcc");
 135
 136     CmdArgs.push_back("--push-state");
 137     CmdArgs.push_back("--as-needed");
 138     CmdArgs.push_back("-lgcc_s");
 139     CmdArgs.push_back("--no-as-needed");
 140     CmdArgs.push_back("--pop-state");
 141   }
 142
 143   // No need to do anything for pthreads. Claim argument to avoid warning.
 144   Args.claimAllArgs(options::OPT_pthread, options::OPT_pthreads);
 145
 146   if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles,
 147                    options::OPT_r)) {
 148     CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crtendS.o")));
 149     CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crtn.o")));
 150   }
 151
 152   ToolChain.addProfileRTLibs(Args, CmdArgs);
 153
 154   const char *Exec = Args.MakeArgString(getToolChain().GetLinkerPath());
 155   C.addCommand(std::make_unique<Command>(JA, *this,
 156                                          ResponseFileSupport::AtFileCurCP(),
 157                                          Exec, CmdArgs, Inputs, Output));
 158 }
 159
 160 /// Haiku - Haiku tool chain which can call as(1) and ld(1) directly.
 161
 162 Haiku::Haiku(const Driver &D, const llvm::Triple& Triple, const ArgList &Args)
 163   : Generic_ELF(D, Triple, Args) {
 164
 165   GCCInstallation.init(Triple, Args);
 166
 167   getFilePaths().push_back(concat(getDriver().SysRoot, "/boot/system/lib"));
 168   getFilePaths().push_back(concat(getDriver().SysRoot, "/boot/system/develop/lib"));
 169
 170   if (GCCInstallation.isValid())
 171     getFilePaths().push_back(GCCInstallation.getInstallPath().str());
 172 }
 173
 174 void Haiku::AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs,
 175                                       llvm::opt::ArgStringList &CC1Args) const {
 176   const Driver &D = getDriver();
 177
 178   if (DriverArgs.hasArg(options::OPT_nostdinc))
 179     return;
 180
 181   if (!DriverArgs.hasArg(options::OPT_nobuiltininc)) {
 182     SmallString<128> Dir(D.ResourceDir);
 183     llvm::sys::path::append(Dir, "include");
 184     addSystemInclude(DriverArgs, CC1Args, Dir.str());
 185   }
 186
 187   if (DriverArgs.hasArg(options::OPT_nostdlibinc))
 188     return;
 189
 190   // Add dirs specified via 'configure --with-c-include-dirs'.
 191   StringRef CIncludeDirs(C_INCLUDE_DIRS);
 192   if (!CIncludeDirs.empty()) {
 193     SmallVector<StringRef, 5> dirs;
 194     CIncludeDirs.split(dirs, ":");
 195     for (StringRef dir : dirs) {
 196       StringRef Prefix =
 197         llvm::sys::path::is_absolute(dir) ? StringRef(D.SysRoot) : "";
 198       addExternCSystemInclude(DriverArgs, CC1Args, Prefix + dir);
 199     }
 200     return;
 201   }
 202
 203   addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
 204                    "/boot/system/non-packaged/develop/headers"));
 205   addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
 206                    "/boot/system/develop/headers/os"));
 207   addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
 208                    "/boot/system/develop/headers/os/app"));
 209   addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
 210                    "/boot/system/develop/headers/os/device"));
 211   addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
 212                    "/boot/system/develop/headers/os/drivers"));
 213   addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
 214                    "/boot/system/develop/headers/os/game"));
 215   addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
 216                    "/boot/system/develop/headers/os/interface"));
 217   addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
 218                    "/boot/system/develop/headers/os/kernel"));
 219   addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
 220                    "/boot/system/develop/headers/os/locale"));
 221   addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
 222                    "/boot/system/develop/headers/os/mail"));
 223   addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
 224                    "/boot/system/develop/headers/os/media"));
 225   addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
 226                    "/boot/system/develop/headers/os/midi"));
 227   addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
 228                    "/boot/system/develop/headers/os/midi2"));
 229   addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
 230                    "/boot/system/develop/headers/os/net"));
 231   addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
 232                    "/boot/system/develop/headers/os/opengl"));
 233   addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
 234                    "/boot/system/develop/headers/os/storage"));
 235   addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
 236                    "/boot/system/develop/headers/os/support"));
 237   addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
 238                    "/boot/system/develop/headers/os/translation"));
 239   addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
 240                    "/boot/system/develop/headers/os/add-ons/graphics"));
 241   addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
 242                    "/boot/system/develop/headers/os/add-ons/input_server"));
 243   addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
 244                    "/boot/system/develop/headers/os/add-ons/mail_daemon"));
 245   addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
 246                    "/boot/system/develop/headers/os/add-ons/registrar"));
 247   addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
 248                    "/boot/system/develop/headers/os/add-ons/screen_saver"));
 249   addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
 250                    "/boot/system/develop/headers/os/add-ons/tracker"));
 251   addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
 252                    "/boot/system/develop/headers/os/be_apps/Deskbar"));
 253   addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
 254                    "/boot/system/develop/headers/os/be_apps/NetPositive"));
 255   addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
 256                    "/boot/system/develop/headers/os/be_apps/Tracker"));
 257   addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
 258                    "/boot/system/develop/headers/3rdparty"));
 259   addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
 260                    "/boot/system/develop/headers/bsd"));
 261   addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
 262                    "/boot/system/develop/headers/glibc"));
 263   addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
 264                    "/boot/system/develop/headers/gnu"));
 265   addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
 266                    "/boot/system/develop/headers/posix"));
 267   addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
 268                    "/boot/system/develop/headers"));
 269 }
 270
 271 void Haiku::addLibCxxIncludePaths(const llvm::opt::ArgList &DriverArgs,
 272                                   llvm::opt::ArgStringList &CC1Args) const {
 273   addSystemInclude(DriverArgs, CC1Args,
 274                    concat(getDriver().SysRoot, "/boot/system/develop/headers/c++/v1"));
 275 }
 276
 277 Tool *Haiku::buildLinker() const { return new tools::haiku::Linker(*this); }
 278
 279 bool Haiku::HasNativeLLVMSupport() const { return true; }