279 lines
12 KiB
C++
279 lines
12 KiB
C++
//===--- Haiku.cpp - Haiku ToolChain Implementations ------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "Haiku.h"
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#include "CommonArgs.h"
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#include "clang/Config/config.h"
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#include "clang/Driver/Compilation.h"
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#include "llvm/Support/Path.h"
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using namespace clang::driver;
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using namespace clang::driver::tools;
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using namespace clang::driver::toolchains;
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using namespace clang;
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using namespace llvm::opt;
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void haiku::Linker::ConstructJob(Compilation &C, const JobAction &JA,
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const InputInfo &Output,
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const InputInfoList &Inputs,
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const ArgList &Args,
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const char *LinkingOutput) const {
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const auto &ToolChain = static_cast<const Haiku &>(getToolChain());
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const Driver &D = ToolChain.getDriver();
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const llvm::Triple::ArchType Arch = ToolChain.getArch();
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const bool Static = Args.hasArg(options::OPT_static);
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const bool Shared = Args.hasArg(options::OPT_shared);
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ArgStringList CmdArgs;
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// Silence warning for "clang -g foo.o -o foo"
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Args.ClaimAllArgs(options::OPT_g_Group);
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// and "clang -emit-llvm foo.o -o foo"
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Args.ClaimAllArgs(options::OPT_emit_llvm);
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// and for "clang -w foo.o -o foo". Other warning options are already
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// handled somewhere else.
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Args.ClaimAllArgs(options::OPT_w);
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// Silence warning for "clang -pie foo.o -o foo"
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Args.ClaimAllArgs(options::OPT_pie);
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// -rdynamic is a no-op with Haiku. Claim argument to avoid warning.
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Args.ClaimAllArgs(options::OPT_rdynamic);
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if (!D.SysRoot.empty())
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CmdArgs.push_back(Args.MakeArgString("--sysroot=" + D.SysRoot));
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CmdArgs.push_back("--eh-frame-hdr");
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if (Static) {
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CmdArgs.push_back("-Bstatic");
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} else {
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if (Shared)
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CmdArgs.push_back("-shared");
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CmdArgs.push_back("--enable-new-dtags");
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}
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CmdArgs.push_back("-shared");
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if (!Shared)
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CmdArgs.push_back("--no-undefined");
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if (Arch == llvm::Triple::riscv64)
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CmdArgs.push_back("-X");
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assert((Output.isFilename() || Output.isNothing()) && "Invalid output.");
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if (Output.isFilename()) {
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CmdArgs.push_back("-o");
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CmdArgs.push_back(Output.getFilename());
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}
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if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles,
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options::OPT_r)) {
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CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crti.o")));
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CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crtbeginS.o")));
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if (!Shared)
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CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("start_dyn.o")));
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CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("init_term_dyn.o")));
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}
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Args.addAllArgs(CmdArgs, {options::OPT_L, options::OPT_T_Group,
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options::OPT_s, options::OPT_t, options::OPT_r});
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ToolChain.AddFilePathLibArgs(Args, CmdArgs);
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if (D.isUsingLTO()) {
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assert(!Inputs.empty() && "Must have at least one input.");
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// Find the first filename InputInfo object.
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auto Input = llvm::find_if(
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Inputs, [](const InputInfo &II) -> bool { return II.isFilename(); });
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if (Input == Inputs.end())
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// For a very rare case, all of the inputs to the linker are
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// InputArg. If that happens, just use the first InputInfo.
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Input = Inputs.begin();
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addLTOOptions(ToolChain, Args, CmdArgs, Output, *Input,
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D.getLTOMode() == LTOK_Thin);
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}
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addLinkerCompressDebugSectionsOption(ToolChain, Args, CmdArgs);
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AddLinkerInputs(ToolChain, Inputs, Args, CmdArgs, JA);
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if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs,
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options::OPT_r)) {
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// Use the static OpenMP runtime with -static-openmp
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bool StaticOpenMP = Args.hasArg(options::OPT_static_openmp) && !Static;
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addOpenMPRuntime(CmdArgs, ToolChain, Args, StaticOpenMP);
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if (D.CCCIsCXX() && ToolChain.ShouldLinkCXXStdlib(Args))
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ToolChain.AddCXXStdlibLibArgs(Args, CmdArgs);
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// Silence warnings when linking C code with a C++ '-stdlib' argument.
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Args.ClaimAllArgs(options::OPT_stdlib_EQ);
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// Additional linker set-up and flags for Fortran. This is required in order
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// to generate executables. As Fortran runtime depends on the C runtime,
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// these dependencies need to be listed before the C runtime below (i.e.
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// AddRunTimeLibs).
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if (D.IsFlangMode()) {
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addFortranRuntimeLibraryPath(ToolChain, Args, CmdArgs);
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addFortranRuntimeLibs(ToolChain, Args, CmdArgs);
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}
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CmdArgs.push_back("-lgcc");
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CmdArgs.push_back("--push-state");
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CmdArgs.push_back("--as-needed");
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CmdArgs.push_back("-lgcc_s");
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CmdArgs.push_back("--no-as-needed");
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CmdArgs.push_back("--pop-state");
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CmdArgs.push_back("-lroot");
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CmdArgs.push_back("-lgcc");
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CmdArgs.push_back("--push-state");
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CmdArgs.push_back("--as-needed");
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CmdArgs.push_back("-lgcc_s");
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CmdArgs.push_back("--no-as-needed");
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CmdArgs.push_back("--pop-state");
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}
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// No need to do anything for pthreads. Claim argument to avoid warning.
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Args.claimAllArgs(options::OPT_pthread, options::OPT_pthreads);
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if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles,
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options::OPT_r)) {
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CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crtendS.o")));
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CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crtn.o")));
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}
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ToolChain.addProfileRTLibs(Args, CmdArgs);
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const char *Exec = Args.MakeArgString(getToolChain().GetLinkerPath());
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C.addCommand(std::make_unique<Command>(JA, *this,
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ResponseFileSupport::AtFileCurCP(),
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Exec, CmdArgs, Inputs, Output));
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}
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/// Haiku - Haiku tool chain which can call as(1) and ld(1) directly.
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Haiku::Haiku(const Driver &D, const llvm::Triple& Triple, const ArgList &Args)
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: Generic_ELF(D, Triple, Args) {
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GCCInstallation.init(Triple, Args);
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getFilePaths().push_back(concat(getDriver().SysRoot, "/boot/system/lib"));
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getFilePaths().push_back(concat(getDriver().SysRoot, "/boot/system/develop/lib"));
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if (GCCInstallation.isValid())
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getFilePaths().push_back(GCCInstallation.getInstallPath().str());
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}
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void Haiku::AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs,
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llvm::opt::ArgStringList &CC1Args) const {
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const Driver &D = getDriver();
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if (DriverArgs.hasArg(options::OPT_nostdinc))
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return;
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if (!DriverArgs.hasArg(options::OPT_nobuiltininc)) {
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SmallString<128> Dir(D.ResourceDir);
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llvm::sys::path::append(Dir, "include");
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addSystemInclude(DriverArgs, CC1Args, Dir.str());
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}
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if (DriverArgs.hasArg(options::OPT_nostdlibinc))
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return;
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// Add dirs specified via 'configure --with-c-include-dirs'.
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StringRef CIncludeDirs(C_INCLUDE_DIRS);
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if (!CIncludeDirs.empty()) {
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SmallVector<StringRef, 5> dirs;
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CIncludeDirs.split(dirs, ":");
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for (StringRef dir : dirs) {
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StringRef Prefix =
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llvm::sys::path::is_absolute(dir) ? StringRef(D.SysRoot) : "";
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addExternCSystemInclude(DriverArgs, CC1Args, Prefix + dir);
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}
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return;
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}
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addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
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"/boot/system/non-packaged/develop/headers"));
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addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
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"/boot/system/develop/headers/os"));
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addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
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"/boot/system/develop/headers/os/app"));
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addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
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"/boot/system/develop/headers/os/device"));
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addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
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"/boot/system/develop/headers/os/drivers"));
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addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
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"/boot/system/develop/headers/os/game"));
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addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
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"/boot/system/develop/headers/os/interface"));
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addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
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"/boot/system/develop/headers/os/kernel"));
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addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
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"/boot/system/develop/headers/os/locale"));
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addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
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"/boot/system/develop/headers/os/mail"));
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addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
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"/boot/system/develop/headers/os/media"));
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addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
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"/boot/system/develop/headers/os/midi"));
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addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
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"/boot/system/develop/headers/os/midi2"));
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addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
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"/boot/system/develop/headers/os/net"));
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addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
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"/boot/system/develop/headers/os/opengl"));
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addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
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"/boot/system/develop/headers/os/storage"));
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addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
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"/boot/system/develop/headers/os/support"));
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addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
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"/boot/system/develop/headers/os/translation"));
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addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
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"/boot/system/develop/headers/os/add-ons/graphics"));
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addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
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"/boot/system/develop/headers/os/add-ons/input_server"));
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addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
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"/boot/system/develop/headers/os/add-ons/mail_daemon"));
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addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
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"/boot/system/develop/headers/os/add-ons/registrar"));
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addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
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"/boot/system/develop/headers/os/add-ons/screen_saver"));
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addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
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"/boot/system/develop/headers/os/add-ons/tracker"));
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addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
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"/boot/system/develop/headers/os/be_apps/Deskbar"));
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addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
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"/boot/system/develop/headers/os/be_apps/NetPositive"));
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addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
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"/boot/system/develop/headers/os/be_apps/Tracker"));
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addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
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"/boot/system/develop/headers/3rdparty"));
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addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
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"/boot/system/develop/headers/bsd"));
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addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
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"/boot/system/develop/headers/glibc"));
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addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
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"/boot/system/develop/headers/gnu"));
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addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
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"/boot/system/develop/headers/posix"));
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addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
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"/boot/system/develop/headers"));
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}
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void Haiku::addLibCxxIncludePaths(const llvm::opt::ArgList &DriverArgs,
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llvm::opt::ArgStringList &CC1Args) const {
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addSystemInclude(DriverArgs, CC1Args,
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concat(getDriver().SysRoot, "/boot/system/develop/headers/c++/v1"));
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}
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Tool *Haiku::buildLinker() const { return new tools::haiku::Linker(*this); }
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bool Haiku::HasNativeLLVMSupport() const { return true; }
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