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//===--- Haiku.cpp - Haiku 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 "Haiku.h"
#include "CommonArgs.h"
#include "clang/Config/config.h"
#include "clang/Driver/Compilation.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 haiku::Linker::ConstructJob(Compilation &C, const JobAction &JA,
const InputInfo &Output,
const InputInfoList &Inputs,
const ArgList &Args,
const char *LinkingOutput) const {
const auto &ToolChain = static_cast<const Haiku &>(getToolChain());
const Driver &D = ToolChain.getDriver();
const llvm::Triple &Triple = ToolChain.getTriple();
const bool Static = Args.hasArg(options::OPT_static);
const bool Shared = Args.hasArg(options::OPT_shared);
ArgStringList CmdArgs;
// Silence warning for "clang -g foo.o -o foo"
Args.ClaimAllArgs(options::OPT_g_Group);
// and "clang -emit-llvm foo.o -o foo"
Args.ClaimAllArgs(options::OPT_emit_llvm);
// and for "clang -w foo.o -o foo". Other warning options are already
// handled somewhere else.
Args.ClaimAllArgs(options::OPT_w);
// Silence warning for "clang -pie foo.o -o foo"
Args.ClaimAllArgs(options::OPT_pie);
// -rdynamic is a no-op with Haiku. Claim argument to avoid warning.
Args.ClaimAllArgs(options::OPT_rdynamic);
if (!D.SysRoot.empty())
CmdArgs.push_back(Args.MakeArgString("--sysroot=" + D.SysRoot));
CmdArgs.push_back("--eh-frame-hdr");
if (Static) {
CmdArgs.push_back("-Bstatic");
} else {
if (Shared)
CmdArgs.push_back("-shared");
CmdArgs.push_back("--enable-new-dtags");
}
CmdArgs.push_back("-shared");
if (!Shared)
CmdArgs.push_back("--no-undefined");
if (Triple.isRISCV64()) {
CmdArgs.push_back("-X");
if (Args.hasArg(options::OPT_mno_relax))
CmdArgs.push_back("--no-relax");
}
assert((Output.isFilename() || Output.isNothing()) && "Invalid output.");
if (Output.isFilename()) {
CmdArgs.push_back("-o");
CmdArgs.push_back(Output.getFilename());
}
if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles,
options::OPT_r)) {
CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crti.o")));
CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crtbeginS.o")));
if (!Shared)
CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("start_dyn.o")));
CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("init_term_dyn.o")));
}
Args.addAllArgs(CmdArgs, {options::OPT_L, options::OPT_T_Group,
options::OPT_s, options::OPT_t});
ToolChain.AddFilePathLibArgs(Args, CmdArgs);
if (D.isUsingLTO()) {
assert(!Inputs.empty() && "Must have at least one input.");
// Find the first filename InputInfo object.
auto Input = llvm::find_if(
Inputs, [](const InputInfo &II) -> bool { return II.isFilename(); });
if (Input == Inputs.end())
// For a very rare case, all of the inputs to the linker are
// InputArg. If that happens, just use the first InputInfo.
Input = Inputs.begin();
addLTOOptions(ToolChain, Args, CmdArgs, Output, *Input,
D.getLTOMode() == LTOK_Thin);
}
addLinkerCompressDebugSectionsOption(ToolChain, Args, CmdArgs);
AddLinkerInputs(ToolChain, Inputs, Args, CmdArgs, JA);
if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs,
options::OPT_r)) {
// Use the static OpenMP runtime with -static-openmp
bool StaticOpenMP = Args.hasArg(options::OPT_static_openmp) && !Static;
addOpenMPRuntime(C, CmdArgs, ToolChain, Args, StaticOpenMP);
if (D.CCCIsCXX() && ToolChain.ShouldLinkCXXStdlib(Args))
ToolChain.AddCXXStdlibLibArgs(Args, CmdArgs);
// Silence warnings when linking C code with a C++ '-stdlib' argument.
Args.ClaimAllArgs(options::OPT_stdlib_EQ);
// Additional linker set-up and flags for Fortran. This is required in order
// to generate executables. As Fortran runtime depends on the C runtime,
// these dependencies need to be listed before the C runtime below (i.e.
// AddRunTimeLibs).
if (D.IsFlangMode() &&
!Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs)) {
addFortranRuntimeLibraryPath(ToolChain, Args, CmdArgs);
addFortranRuntimeLibs(ToolChain, Args, CmdArgs);
}
CmdArgs.push_back("-lgcc");
CmdArgs.push_back("--push-state");
CmdArgs.push_back("--as-needed");
CmdArgs.push_back("-lgcc_s");
CmdArgs.push_back("--no-as-needed");
CmdArgs.push_back("--pop-state");
CmdArgs.push_back("-lroot");
CmdArgs.push_back("-lgcc");
CmdArgs.push_back("--push-state");
CmdArgs.push_back("--as-needed");
CmdArgs.push_back("-lgcc_s");
CmdArgs.push_back("--no-as-needed");
CmdArgs.push_back("--pop-state");
}
// No need to do anything for pthreads. Claim argument to avoid warning.
Args.claimAllArgs(options::OPT_pthread, options::OPT_pthreads);
if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles,
options::OPT_r)) {
CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crtendS.o")));
CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crtn.o")));
}
ToolChain.addProfileRTLibs(Args, CmdArgs);
const char *Exec = Args.MakeArgString(getToolChain().GetLinkerPath());
C.addCommand(std::make_unique<Command>(JA, *this,
ResponseFileSupport::AtFileCurCP(),
Exec, CmdArgs, Inputs, Output));
}
/// Haiku - Haiku tool chain which can call as(1) and ld(1) directly.
Haiku::Haiku(const Driver &D, const llvm::Triple& Triple, const ArgList &Args)
: Generic_ELF(D, Triple, Args) {
GCCInstallation.init(Triple, Args);
getFilePaths().push_back(concat(getDriver().SysRoot, "/boot/system/lib"));
getFilePaths().push_back(concat(getDriver().SysRoot, "/boot/system/develop/lib"));
if (GCCInstallation.isValid())
getFilePaths().push_back(GCCInstallation.getInstallPath().str());
}
void Haiku::AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs,
llvm::opt::ArgStringList &CC1Args) const {
const Driver &D = getDriver();
if (DriverArgs.hasArg(options::OPT_nostdinc))
return;
if (!DriverArgs.hasArg(options::OPT_nobuiltininc)) {
SmallString<128> Dir(D.ResourceDir);
llvm::sys::path::append(Dir, "include");
addSystemInclude(DriverArgs, CC1Args, Dir.str());
}
if (DriverArgs.hasArg(options::OPT_nostdlibinc))
return;
// Add dirs specified via 'configure --with-c-include-dirs'.
StringRef CIncludeDirs(C_INCLUDE_DIRS);
if (!CIncludeDirs.empty()) {
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;
}
addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
"/boot/system/non-packaged/develop/headers"));
addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
"/boot/system/develop/headers/os"));
addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
"/boot/system/develop/headers/os/app"));
addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
"/boot/system/develop/headers/os/device"));
addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
"/boot/system/develop/headers/os/drivers"));
addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
"/boot/system/develop/headers/os/game"));
addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
"/boot/system/develop/headers/os/interface"));
addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
"/boot/system/develop/headers/os/kernel"));
addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
"/boot/system/develop/headers/os/locale"));
addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
"/boot/system/develop/headers/os/mail"));
addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
"/boot/system/develop/headers/os/media"));
addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
"/boot/system/develop/headers/os/midi"));
addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
"/boot/system/develop/headers/os/midi2"));
addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
"/boot/system/develop/headers/os/net"));
addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
"/boot/system/develop/headers/os/opengl"));
addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
"/boot/system/develop/headers/os/storage"));
addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
"/boot/system/develop/headers/os/support"));
addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
"/boot/system/develop/headers/os/translation"));
addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
"/boot/system/develop/headers/os/add-ons/graphics"));
addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
"/boot/system/develop/headers/os/add-ons/input_server"));
addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
"/boot/system/develop/headers/os/add-ons/mail_daemon"));
addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
"/boot/system/develop/headers/os/add-ons/registrar"));
addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
"/boot/system/develop/headers/os/add-ons/screen_saver"));
addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
"/boot/system/develop/headers/os/add-ons/tracker"));
addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
"/boot/system/develop/headers/os/be_apps/Deskbar"));
addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
"/boot/system/develop/headers/os/be_apps/NetPositive"));
addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
"/boot/system/develop/headers/os/be_apps/Tracker"));
addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
"/boot/system/develop/headers/3rdparty"));
addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
"/boot/system/develop/headers/bsd"));
addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
"/boot/system/develop/headers/glibc"));
addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
"/boot/system/develop/headers/gnu"));
addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
"/boot/system/develop/headers/posix"));
addSystemInclude(DriverArgs, CC1Args, concat(D.SysRoot,
"/boot/system/develop/headers"));
}
void Haiku::addLibCxxIncludePaths(const llvm::opt::ArgList &DriverArgs,
llvm::opt::ArgStringList &CC1Args) const {
addSystemInclude(DriverArgs, CC1Args,
concat(getDriver().SysRoot, "/boot/system/develop/headers/c++/v1"));
}
Tool *Haiku::buildLinker() const { return new tools::haiku::Linker(*this); }
bool Haiku::HasNativeLLVMSupport() const { return true; }
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