9ec748cfb1
The clang/flang driver has two separate systems for find the location of clang_rt (simplified): * `getCompilerRTPath()`, e.g. `../lib/clang/22/lib/windows`, used when `LLVM_ENABLE_PER_TARGET_RUNTIME_DIR=0` * `getRuntimePath()`, e.g. `../lib/clang/22/lib/x86_64-pc-windows-msvc`, used when `LLVM_ENABLE_PER_TARGET_RUNTIME_DIR=1` To simplify the search path, Flang-RT normally assumes only `getRuntimePath()`, i.e. ignoring `LLVM_ENABLE_PER_TARGET_RUNTIME_DIR` and always using the `LLVM_ENABLE_PER_TARGET_RUNTIME_DIR=1` mechanism. There is an exception for Apple Darwin triples where `getRuntimePath()` returns nothing. The flang-rt/compiler-rt CMake code for library location also ignores `LLVM_ENABLE_PER_TARGET_RUNTIME_DIR` but uses the `LLVM_ENABLE_PER_TARGET_RUNTIME_DIR=0` path instead. Since only `getRuntimePath()` is automatically added to the linker command line, this patch explicitly adds `getCompilerRTPath()` to the path when linking flang_rt. Fixes #151031 (cherry picked from commit 8de481913353a1e37264687d5cc73db0de19e6cc)
1873 lines
65 KiB
C++
1873 lines
65 KiB
C++
//===- ToolChain.cpp - Collections of tools for one platform --------------===//
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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 "clang/Driver/ToolChain.h"
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#include "ToolChains/Arch/AArch64.h"
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#include "ToolChains/Arch/ARM.h"
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#include "ToolChains/Arch/RISCV.h"
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#include "ToolChains/Clang.h"
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#include "ToolChains/Flang.h"
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#include "ToolChains/InterfaceStubs.h"
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#include "clang/Basic/ObjCRuntime.h"
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#include "clang/Basic/Sanitizers.h"
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#include "clang/Config/config.h"
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#include "clang/Driver/Action.h"
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#include "clang/Driver/CommonArgs.h"
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#include "clang/Driver/Driver.h"
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#include "clang/Driver/InputInfo.h"
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#include "clang/Driver/Job.h"
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#include "clang/Driver/Options.h"
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#include "clang/Driver/SanitizerArgs.h"
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#include "clang/Driver/XRayArgs.h"
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#include "llvm/ADT/SmallString.h"
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#include "llvm/ADT/StringExtras.h"
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#include "llvm/ADT/StringRef.h"
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#include "llvm/ADT/Twine.h"
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#include "llvm/Config/llvm-config.h"
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#include "llvm/MC/MCTargetOptions.h"
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#include "llvm/MC/TargetRegistry.h"
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#include "llvm/Option/Arg.h"
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#include "llvm/Option/ArgList.h"
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#include "llvm/Option/OptTable.h"
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#include "llvm/Option/Option.h"
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#include "llvm/Support/ErrorHandling.h"
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#include "llvm/Support/FileSystem.h"
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#include "llvm/Support/FileUtilities.h"
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#include "llvm/Support/Path.h"
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#include "llvm/Support/Process.h"
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#include "llvm/Support/VersionTuple.h"
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#include "llvm/Support/VirtualFileSystem.h"
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#include "llvm/TargetParser/AArch64TargetParser.h"
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#include "llvm/TargetParser/RISCVISAInfo.h"
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#include "llvm/TargetParser/TargetParser.h"
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#include "llvm/TargetParser/Triple.h"
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#include <cassert>
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#include <cstddef>
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#include <cstring>
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#include <string>
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using namespace clang;
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using namespace driver;
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using namespace tools;
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using namespace llvm;
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using namespace llvm::opt;
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static llvm::opt::Arg *GetRTTIArgument(const ArgList &Args) {
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return Args.getLastArg(options::OPT_mkernel, options::OPT_fapple_kext,
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options::OPT_fno_rtti, options::OPT_frtti);
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}
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static ToolChain::RTTIMode CalculateRTTIMode(const ArgList &Args,
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const llvm::Triple &Triple,
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const Arg *CachedRTTIArg) {
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// Explicit rtti/no-rtti args
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if (CachedRTTIArg) {
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if (CachedRTTIArg->getOption().matches(options::OPT_frtti))
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return ToolChain::RM_Enabled;
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else
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return ToolChain::RM_Disabled;
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}
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// -frtti is default, except for the PS4/PS5 and DriverKit.
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bool NoRTTI = Triple.isPS() || Triple.isDriverKit();
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return NoRTTI ? ToolChain::RM_Disabled : ToolChain::RM_Enabled;
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}
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static ToolChain::ExceptionsMode CalculateExceptionsMode(const ArgList &Args) {
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if (Args.hasFlag(options::OPT_fexceptions, options::OPT_fno_exceptions,
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true)) {
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return ToolChain::EM_Enabled;
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}
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return ToolChain::EM_Disabled;
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}
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ToolChain::ToolChain(const Driver &D, const llvm::Triple &T,
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const ArgList &Args)
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: D(D), Triple(T), Args(Args), CachedRTTIArg(GetRTTIArgument(Args)),
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CachedRTTIMode(CalculateRTTIMode(Args, Triple, CachedRTTIArg)),
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CachedExceptionsMode(CalculateExceptionsMode(Args)) {
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auto addIfExists = [this](path_list &List, const std::string &Path) {
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if (getVFS().exists(Path))
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List.push_back(Path);
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};
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if (std::optional<std::string> Path = getRuntimePath())
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getLibraryPaths().push_back(*Path);
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if (std::optional<std::string> Path = getStdlibPath())
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getFilePaths().push_back(*Path);
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for (const auto &Path : getArchSpecificLibPaths())
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addIfExists(getFilePaths(), Path);
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}
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llvm::Expected<std::unique_ptr<llvm::MemoryBuffer>>
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ToolChain::executeToolChainProgram(StringRef Executable) const {
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llvm::SmallString<64> OutputFile;
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llvm::sys::fs::createTemporaryFile("toolchain-program", "txt", OutputFile,
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llvm::sys::fs::OF_Text);
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llvm::FileRemover OutputRemover(OutputFile.c_str());
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std::optional<llvm::StringRef> Redirects[] = {
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{""},
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OutputFile.str(),
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{""},
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};
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std::string ErrorMessage;
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int SecondsToWait = 60;
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if (std::optional<std::string> Str =
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llvm::sys::Process::GetEnv("CLANG_TOOLCHAIN_PROGRAM_TIMEOUT")) {
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if (!llvm::to_integer(*Str, SecondsToWait))
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return llvm::createStringError(std::error_code(),
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"CLANG_TOOLCHAIN_PROGRAM_TIMEOUT expected "
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"an integer, got '" +
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*Str + "'");
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SecondsToWait = std::max(SecondsToWait, 0); // infinite
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}
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if (llvm::sys::ExecuteAndWait(Executable, {Executable}, {}, Redirects,
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SecondsToWait,
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/*MemoryLimit=*/0, &ErrorMessage))
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return llvm::createStringError(std::error_code(),
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Executable + ": " + ErrorMessage);
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llvm::ErrorOr<std::unique_ptr<llvm::MemoryBuffer>> OutputBuf =
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llvm::MemoryBuffer::getFile(OutputFile.c_str());
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if (!OutputBuf)
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return llvm::createStringError(OutputBuf.getError(),
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"Failed to read stdout of " + Executable +
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": " + OutputBuf.getError().message());
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return std::move(*OutputBuf);
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}
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void ToolChain::setTripleEnvironment(llvm::Triple::EnvironmentType Env) {
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Triple.setEnvironment(Env);
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if (EffectiveTriple != llvm::Triple())
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EffectiveTriple.setEnvironment(Env);
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}
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ToolChain::~ToolChain() = default;
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llvm::vfs::FileSystem &ToolChain::getVFS() const {
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return getDriver().getVFS();
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}
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bool ToolChain::useIntegratedAs() const {
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return Args.hasFlag(options::OPT_fintegrated_as,
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options::OPT_fno_integrated_as,
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IsIntegratedAssemblerDefault());
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}
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bool ToolChain::useIntegratedBackend() const {
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assert(
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((IsIntegratedBackendDefault() && IsIntegratedBackendSupported()) ||
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(!IsIntegratedBackendDefault() || IsNonIntegratedBackendSupported())) &&
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"(Non-)integrated backend set incorrectly!");
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bool IBackend = Args.hasFlag(options::OPT_fintegrated_objemitter,
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options::OPT_fno_integrated_objemitter,
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IsIntegratedBackendDefault());
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// Diagnose when integrated-objemitter options are not supported by this
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// toolchain.
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unsigned DiagID;
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if ((IBackend && !IsIntegratedBackendSupported()) ||
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(!IBackend && !IsNonIntegratedBackendSupported()))
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DiagID = clang::diag::err_drv_unsupported_opt_for_target;
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else
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DiagID = clang::diag::warn_drv_unsupported_opt_for_target;
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Arg *A = Args.getLastArg(options::OPT_fno_integrated_objemitter);
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if (A && !IsNonIntegratedBackendSupported())
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D.Diag(DiagID) << A->getAsString(Args) << Triple.getTriple();
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A = Args.getLastArg(options::OPT_fintegrated_objemitter);
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if (A && !IsIntegratedBackendSupported())
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D.Diag(DiagID) << A->getAsString(Args) << Triple.getTriple();
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return IBackend;
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}
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bool ToolChain::useRelaxRelocations() const {
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return ENABLE_X86_RELAX_RELOCATIONS;
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}
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bool ToolChain::defaultToIEEELongDouble() const {
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return PPC_LINUX_DEFAULT_IEEELONGDOUBLE && getTriple().isOSLinux();
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}
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static void processMultilibCustomFlags(Multilib::flags_list &List,
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const llvm::opt::ArgList &Args) {
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for (const Arg *MultilibFlagArg :
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Args.filtered(options::OPT_fmultilib_flag)) {
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List.push_back(MultilibFlagArg->getAsString(Args));
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MultilibFlagArg->claim();
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}
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}
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static void getAArch64MultilibFlags(const Driver &D,
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const llvm::Triple &Triple,
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const llvm::opt::ArgList &Args,
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Multilib::flags_list &Result) {
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std::vector<StringRef> Features;
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tools::aarch64::getAArch64TargetFeatures(D, Triple, Args, Features,
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/*ForAS=*/false,
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/*ForMultilib=*/true);
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const auto UnifiedFeatures = tools::unifyTargetFeatures(Features);
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llvm::DenseSet<StringRef> FeatureSet(UnifiedFeatures.begin(),
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UnifiedFeatures.end());
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std::vector<std::string> MArch;
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for (const auto &Ext : AArch64::Extensions)
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if (!Ext.UserVisibleName.empty())
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if (FeatureSet.contains(Ext.PosTargetFeature))
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MArch.push_back(Ext.UserVisibleName.str());
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for (const auto &Ext : AArch64::Extensions)
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if (!Ext.UserVisibleName.empty())
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if (FeatureSet.contains(Ext.NegTargetFeature))
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MArch.push_back(("no" + Ext.UserVisibleName).str());
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StringRef ArchName;
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for (const auto &ArchInfo : AArch64::ArchInfos)
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if (FeatureSet.contains(ArchInfo->ArchFeature))
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ArchName = ArchInfo->Name;
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assert(!ArchName.empty() && "at least one architecture should be found");
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MArch.insert(MArch.begin(), ("-march=" + ArchName).str());
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Result.push_back(llvm::join(MArch, "+"));
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const Arg *BranchProtectionArg =
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Args.getLastArgNoClaim(options::OPT_mbranch_protection_EQ);
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if (BranchProtectionArg) {
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Result.push_back(BranchProtectionArg->getAsString(Args));
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}
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if (FeatureSet.contains("+strict-align"))
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Result.push_back("-mno-unaligned-access");
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else
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Result.push_back("-munaligned-access");
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if (Arg *Endian = Args.getLastArg(options::OPT_mbig_endian,
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options::OPT_mlittle_endian)) {
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if (Endian->getOption().matches(options::OPT_mbig_endian))
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Result.push_back(Endian->getAsString(Args));
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}
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const Arg *ABIArg = Args.getLastArgNoClaim(options::OPT_mabi_EQ);
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if (ABIArg) {
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Result.push_back(ABIArg->getAsString(Args));
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}
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processMultilibCustomFlags(Result, Args);
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}
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static void getARMMultilibFlags(const Driver &D,
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const llvm::Triple &Triple,
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const llvm::opt::ArgList &Args,
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Multilib::flags_list &Result) {
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std::vector<StringRef> Features;
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llvm::ARM::FPUKind FPUKind = tools::arm::getARMTargetFeatures(
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D, Triple, Args, Features, false /*ForAs*/, true /*ForMultilib*/);
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const auto UnifiedFeatures = tools::unifyTargetFeatures(Features);
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llvm::DenseSet<StringRef> FeatureSet(UnifiedFeatures.begin(),
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UnifiedFeatures.end());
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std::vector<std::string> MArch;
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for (const auto &Ext : ARM::ARCHExtNames)
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if (!Ext.Name.empty())
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if (FeatureSet.contains(Ext.Feature))
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MArch.push_back(Ext.Name.str());
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for (const auto &Ext : ARM::ARCHExtNames)
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if (!Ext.Name.empty())
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if (FeatureSet.contains(Ext.NegFeature))
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MArch.push_back(("no" + Ext.Name).str());
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MArch.insert(MArch.begin(), ("-march=" + Triple.getArchName()).str());
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Result.push_back(llvm::join(MArch, "+"));
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switch (FPUKind) {
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#define ARM_FPU(NAME, KIND, VERSION, NEON_SUPPORT, RESTRICTION) \
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case llvm::ARM::KIND: \
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Result.push_back("-mfpu=" NAME); \
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break;
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#include "llvm/TargetParser/ARMTargetParser.def"
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default:
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llvm_unreachable("Invalid FPUKind");
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}
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switch (arm::getARMFloatABI(D, Triple, Args)) {
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case arm::FloatABI::Soft:
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Result.push_back("-mfloat-abi=soft");
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break;
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case arm::FloatABI::SoftFP:
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Result.push_back("-mfloat-abi=softfp");
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break;
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case arm::FloatABI::Hard:
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Result.push_back("-mfloat-abi=hard");
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break;
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case arm::FloatABI::Invalid:
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llvm_unreachable("Invalid float ABI");
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}
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const Arg *BranchProtectionArg =
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Args.getLastArgNoClaim(options::OPT_mbranch_protection_EQ);
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if (BranchProtectionArg) {
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Result.push_back(BranchProtectionArg->getAsString(Args));
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}
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if (FeatureSet.contains("+strict-align"))
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Result.push_back("-mno-unaligned-access");
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else
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Result.push_back("-munaligned-access");
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if (Arg *Endian = Args.getLastArg(options::OPT_mbig_endian,
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options::OPT_mlittle_endian)) {
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if (Endian->getOption().matches(options::OPT_mbig_endian))
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Result.push_back(Endian->getAsString(Args));
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}
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processMultilibCustomFlags(Result, Args);
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}
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static void getRISCVMultilibFlags(const Driver &D, const llvm::Triple &Triple,
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const llvm::opt::ArgList &Args,
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Multilib::flags_list &Result) {
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std::string Arch = riscv::getRISCVArch(Args, Triple);
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// Canonicalize arch for easier matching
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auto ISAInfo = llvm::RISCVISAInfo::parseArchString(
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Arch, /*EnableExperimentalExtensions*/ true);
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if (!llvm::errorToBool(ISAInfo.takeError()))
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Result.push_back("-march=" + (*ISAInfo)->toString());
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Result.push_back(("-mabi=" + riscv::getRISCVABI(Args, Triple)).str());
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}
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Multilib::flags_list
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ToolChain::getMultilibFlags(const llvm::opt::ArgList &Args) const {
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using namespace clang::driver::options;
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std::vector<std::string> Result;
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const llvm::Triple Triple(ComputeEffectiveClangTriple(Args));
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Result.push_back("--target=" + Triple.str());
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switch (Triple.getArch()) {
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case llvm::Triple::aarch64:
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case llvm::Triple::aarch64_32:
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case llvm::Triple::aarch64_be:
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getAArch64MultilibFlags(D, Triple, Args, Result);
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break;
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case llvm::Triple::arm:
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case llvm::Triple::armeb:
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case llvm::Triple::thumb:
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case llvm::Triple::thumbeb:
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getARMMultilibFlags(D, Triple, Args, Result);
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break;
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case llvm::Triple::riscv32:
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case llvm::Triple::riscv64:
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getRISCVMultilibFlags(D, Triple, Args, Result);
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break;
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default:
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break;
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}
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// Include fno-exceptions and fno-rtti
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// to improve multilib selection
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if (getRTTIMode() == ToolChain::RTTIMode::RM_Disabled)
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Result.push_back("-fno-rtti");
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else
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Result.push_back("-frtti");
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if (getExceptionsMode() == ToolChain::ExceptionsMode::EM_Disabled)
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Result.push_back("-fno-exceptions");
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else
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Result.push_back("-fexceptions");
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// Sort and remove duplicates.
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std::sort(Result.begin(), Result.end());
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Result.erase(llvm::unique(Result), Result.end());
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return Result;
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}
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SanitizerArgs
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ToolChain::getSanitizerArgs(const llvm::opt::ArgList &JobArgs) const {
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SanitizerArgs SanArgs(*this, JobArgs, !SanitizerArgsChecked);
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SanitizerArgsChecked = true;
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return SanArgs;
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}
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const XRayArgs ToolChain::getXRayArgs(const llvm::opt::ArgList &JobArgs) const {
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XRayArgs XRayArguments(*this, JobArgs);
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return XRayArguments;
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}
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namespace {
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struct DriverSuffix {
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const char *Suffix;
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const char *ModeFlag;
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};
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} // namespace
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static const DriverSuffix *FindDriverSuffix(StringRef ProgName, size_t &Pos) {
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// A list of known driver suffixes. Suffixes are compared against the
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// program name in order. If there is a match, the frontend type is updated as
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// necessary by applying the ModeFlag.
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static const DriverSuffix DriverSuffixes[] = {
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{"clang", nullptr},
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{"clang++", "--driver-mode=g++"},
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{"clang-c++", "--driver-mode=g++"},
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{"clang-cc", nullptr},
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{"clang-cpp", "--driver-mode=cpp"},
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{"clang-g++", "--driver-mode=g++"},
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{"clang-gcc", nullptr},
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{"clang-cl", "--driver-mode=cl"},
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{"cc", nullptr},
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{"cpp", "--driver-mode=cpp"},
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{"cl", "--driver-mode=cl"},
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{"++", "--driver-mode=g++"},
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{"flang", "--driver-mode=flang"},
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// For backwards compatibility, we create a symlink for `flang` called
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// `flang-new`. This will be removed in the future.
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{"flang-new", "--driver-mode=flang"},
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{"clang-dxc", "--driver-mode=dxc"},
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};
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for (const auto &DS : DriverSuffixes) {
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StringRef Suffix(DS.Suffix);
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if (ProgName.ends_with(Suffix)) {
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Pos = ProgName.size() - Suffix.size();
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return &DS;
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}
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}
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return nullptr;
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}
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/// Normalize the program name from argv[0] by stripping the file extension if
|
|
/// present and lower-casing the string on Windows.
|
|
static std::string normalizeProgramName(llvm::StringRef Argv0) {
|
|
std::string ProgName = std::string(llvm::sys::path::filename(Argv0));
|
|
if (is_style_windows(llvm::sys::path::Style::native)) {
|
|
// Transform to lowercase for case insensitive file systems.
|
|
std::transform(ProgName.begin(), ProgName.end(), ProgName.begin(),
|
|
::tolower);
|
|
}
|
|
return ProgName;
|
|
}
|
|
|
|
static const DriverSuffix *parseDriverSuffix(StringRef ProgName, size_t &Pos) {
|
|
// Try to infer frontend type and default target from the program name by
|
|
// comparing it against DriverSuffixes in order.
|
|
|
|
// If there is a match, the function tries to identify a target as prefix.
|
|
// E.g. "x86_64-linux-clang" as interpreted as suffix "clang" with target
|
|
// prefix "x86_64-linux". If such a target prefix is found, it may be
|
|
// added via -target as implicit first argument.
|
|
const DriverSuffix *DS = FindDriverSuffix(ProgName, Pos);
|
|
|
|
if (!DS && ProgName.ends_with(".exe")) {
|
|
// Try again after stripping the executable suffix:
|
|
// clang++.exe -> clang++
|
|
ProgName = ProgName.drop_back(StringRef(".exe").size());
|
|
DS = FindDriverSuffix(ProgName, Pos);
|
|
}
|
|
|
|
if (!DS) {
|
|
// Try again after stripping any trailing version number:
|
|
// clang++3.5 -> clang++
|
|
ProgName = ProgName.rtrim("0123456789.");
|
|
DS = FindDriverSuffix(ProgName, Pos);
|
|
}
|
|
|
|
if (!DS) {
|
|
// Try again after stripping trailing -component.
|
|
// clang++-tot -> clang++
|
|
ProgName = ProgName.slice(0, ProgName.rfind('-'));
|
|
DS = FindDriverSuffix(ProgName, Pos);
|
|
}
|
|
return DS;
|
|
}
|
|
|
|
ParsedClangName
|
|
ToolChain::getTargetAndModeFromProgramName(StringRef PN) {
|
|
std::string ProgName = normalizeProgramName(PN);
|
|
size_t SuffixPos;
|
|
const DriverSuffix *DS = parseDriverSuffix(ProgName, SuffixPos);
|
|
if (!DS)
|
|
return {};
|
|
size_t SuffixEnd = SuffixPos + strlen(DS->Suffix);
|
|
|
|
size_t LastComponent = ProgName.rfind('-', SuffixPos);
|
|
if (LastComponent == std::string::npos)
|
|
return ParsedClangName(ProgName.substr(0, SuffixEnd), DS->ModeFlag);
|
|
std::string ModeSuffix = ProgName.substr(LastComponent + 1,
|
|
SuffixEnd - LastComponent - 1);
|
|
|
|
// Infer target from the prefix.
|
|
StringRef Prefix(ProgName);
|
|
Prefix = Prefix.slice(0, LastComponent);
|
|
std::string IgnoredError;
|
|
bool IsRegistered = llvm::TargetRegistry::lookupTarget(Prefix, IgnoredError);
|
|
return ParsedClangName{std::string(Prefix), ModeSuffix, DS->ModeFlag,
|
|
IsRegistered};
|
|
}
|
|
|
|
StringRef ToolChain::getDefaultUniversalArchName() const {
|
|
// In universal driver terms, the arch name accepted by -arch isn't exactly
|
|
// the same as the ones that appear in the triple. Roughly speaking, this is
|
|
// an inverse of the darwin::getArchTypeForDarwinArchName() function.
|
|
switch (Triple.getArch()) {
|
|
case llvm::Triple::aarch64: {
|
|
if (getTriple().isArm64e())
|
|
return "arm64e";
|
|
return "arm64";
|
|
}
|
|
case llvm::Triple::aarch64_32:
|
|
return "arm64_32";
|
|
case llvm::Triple::ppc:
|
|
return "ppc";
|
|
case llvm::Triple::ppcle:
|
|
return "ppcle";
|
|
case llvm::Triple::ppc64:
|
|
return "ppc64";
|
|
case llvm::Triple::ppc64le:
|
|
return "ppc64le";
|
|
default:
|
|
return Triple.getArchName();
|
|
}
|
|
}
|
|
|
|
std::string ToolChain::getInputFilename(const InputInfo &Input) const {
|
|
return Input.getFilename();
|
|
}
|
|
|
|
ToolChain::UnwindTableLevel
|
|
ToolChain::getDefaultUnwindTableLevel(const ArgList &Args) const {
|
|
return UnwindTableLevel::None;
|
|
}
|
|
|
|
Tool *ToolChain::getClang() const {
|
|
if (!Clang)
|
|
Clang.reset(new tools::Clang(*this, useIntegratedBackend()));
|
|
return Clang.get();
|
|
}
|
|
|
|
Tool *ToolChain::getFlang() const {
|
|
if (!Flang)
|
|
Flang.reset(new tools::Flang(*this));
|
|
return Flang.get();
|
|
}
|
|
|
|
Tool *ToolChain::buildAssembler() const {
|
|
return new tools::ClangAs(*this);
|
|
}
|
|
|
|
Tool *ToolChain::buildLinker() const {
|
|
llvm_unreachable("Linking is not supported by this toolchain");
|
|
}
|
|
|
|
Tool *ToolChain::buildStaticLibTool() const {
|
|
llvm_unreachable("Creating static lib is not supported by this toolchain");
|
|
}
|
|
|
|
Tool *ToolChain::getAssemble() const {
|
|
if (!Assemble)
|
|
Assemble.reset(buildAssembler());
|
|
return Assemble.get();
|
|
}
|
|
|
|
Tool *ToolChain::getClangAs() const {
|
|
if (!Assemble)
|
|
Assemble.reset(new tools::ClangAs(*this));
|
|
return Assemble.get();
|
|
}
|
|
|
|
Tool *ToolChain::getLink() const {
|
|
if (!Link)
|
|
Link.reset(buildLinker());
|
|
return Link.get();
|
|
}
|
|
|
|
Tool *ToolChain::getStaticLibTool() const {
|
|
if (!StaticLibTool)
|
|
StaticLibTool.reset(buildStaticLibTool());
|
|
return StaticLibTool.get();
|
|
}
|
|
|
|
Tool *ToolChain::getIfsMerge() const {
|
|
if (!IfsMerge)
|
|
IfsMerge.reset(new tools::ifstool::Merger(*this));
|
|
return IfsMerge.get();
|
|
}
|
|
|
|
Tool *ToolChain::getOffloadBundler() const {
|
|
if (!OffloadBundler)
|
|
OffloadBundler.reset(new tools::OffloadBundler(*this));
|
|
return OffloadBundler.get();
|
|
}
|
|
|
|
Tool *ToolChain::getOffloadPackager() const {
|
|
if (!OffloadPackager)
|
|
OffloadPackager.reset(new tools::OffloadPackager(*this));
|
|
return OffloadPackager.get();
|
|
}
|
|
|
|
Tool *ToolChain::getLinkerWrapper() const {
|
|
if (!LinkerWrapper)
|
|
LinkerWrapper.reset(new tools::LinkerWrapper(*this, getLink()));
|
|
return LinkerWrapper.get();
|
|
}
|
|
|
|
Tool *ToolChain::getTool(Action::ActionClass AC) const {
|
|
switch (AC) {
|
|
case Action::AssembleJobClass:
|
|
return getAssemble();
|
|
|
|
case Action::IfsMergeJobClass:
|
|
return getIfsMerge();
|
|
|
|
case Action::LinkJobClass:
|
|
return getLink();
|
|
|
|
case Action::StaticLibJobClass:
|
|
return getStaticLibTool();
|
|
|
|
case Action::InputClass:
|
|
case Action::BindArchClass:
|
|
case Action::OffloadClass:
|
|
case Action::LipoJobClass:
|
|
case Action::DsymutilJobClass:
|
|
case Action::VerifyDebugInfoJobClass:
|
|
case Action::BinaryAnalyzeJobClass:
|
|
case Action::BinaryTranslatorJobClass:
|
|
llvm_unreachable("Invalid tool kind.");
|
|
|
|
case Action::CompileJobClass:
|
|
case Action::PrecompileJobClass:
|
|
case Action::PreprocessJobClass:
|
|
case Action::ExtractAPIJobClass:
|
|
case Action::AnalyzeJobClass:
|
|
case Action::VerifyPCHJobClass:
|
|
case Action::BackendJobClass:
|
|
return getClang();
|
|
|
|
case Action::OffloadBundlingJobClass:
|
|
case Action::OffloadUnbundlingJobClass:
|
|
return getOffloadBundler();
|
|
|
|
case Action::OffloadPackagerJobClass:
|
|
return getOffloadPackager();
|
|
case Action::LinkerWrapperJobClass:
|
|
return getLinkerWrapper();
|
|
}
|
|
|
|
llvm_unreachable("Invalid tool kind.");
|
|
}
|
|
|
|
static StringRef getArchNameForCompilerRTLib(const ToolChain &TC,
|
|
const ArgList &Args) {
|
|
const llvm::Triple &Triple = TC.getTriple();
|
|
bool IsWindows = Triple.isOSWindows();
|
|
|
|
if (TC.isBareMetal())
|
|
return Triple.getArchName();
|
|
|
|
if (TC.getArch() == llvm::Triple::arm || TC.getArch() == llvm::Triple::armeb)
|
|
return (arm::getARMFloatABI(TC, Args) == arm::FloatABI::Hard && !IsWindows)
|
|
? "armhf"
|
|
: "arm";
|
|
|
|
// For historic reasons, Android library is using i686 instead of i386.
|
|
if (TC.getArch() == llvm::Triple::x86 && Triple.isAndroid())
|
|
return "i686";
|
|
|
|
if (TC.getArch() == llvm::Triple::x86_64 && Triple.isX32())
|
|
return "x32";
|
|
|
|
return llvm::Triple::getArchTypeName(TC.getArch());
|
|
}
|
|
|
|
StringRef ToolChain::getOSLibName() const {
|
|
if (Triple.isOSDarwin())
|
|
return "darwin";
|
|
|
|
switch (Triple.getOS()) {
|
|
case llvm::Triple::FreeBSD:
|
|
return "freebsd";
|
|
case llvm::Triple::NetBSD:
|
|
return "netbsd";
|
|
case llvm::Triple::OpenBSD:
|
|
return "openbsd";
|
|
case llvm::Triple::Solaris:
|
|
return "sunos";
|
|
case llvm::Triple::AIX:
|
|
return "aix";
|
|
default:
|
|
return getOS();
|
|
}
|
|
}
|
|
|
|
std::string ToolChain::getCompilerRTPath() const {
|
|
SmallString<128> Path(getDriver().ResourceDir);
|
|
if (isBareMetal()) {
|
|
llvm::sys::path::append(Path, "lib", getOSLibName());
|
|
if (!SelectedMultilibs.empty()) {
|
|
Path += SelectedMultilibs.back().gccSuffix();
|
|
}
|
|
} else if (Triple.isOSUnknown()) {
|
|
llvm::sys::path::append(Path, "lib");
|
|
} else {
|
|
llvm::sys::path::append(Path, "lib", getOSLibName());
|
|
}
|
|
return std::string(Path);
|
|
}
|
|
|
|
std::string ToolChain::getCompilerRTBasename(const ArgList &Args,
|
|
StringRef Component,
|
|
FileType Type) const {
|
|
std::string CRTAbsolutePath = getCompilerRT(Args, Component, Type);
|
|
return llvm::sys::path::filename(CRTAbsolutePath).str();
|
|
}
|
|
|
|
std::string ToolChain::buildCompilerRTBasename(const llvm::opt::ArgList &Args,
|
|
StringRef Component,
|
|
FileType Type, bool AddArch,
|
|
bool IsFortran) const {
|
|
const llvm::Triple &TT = getTriple();
|
|
bool IsITANMSVCWindows =
|
|
TT.isWindowsMSVCEnvironment() || TT.isWindowsItaniumEnvironment();
|
|
|
|
const char *Prefix =
|
|
IsITANMSVCWindows || Type == ToolChain::FT_Object ? "" : "lib";
|
|
const char *Suffix;
|
|
switch (Type) {
|
|
case ToolChain::FT_Object:
|
|
Suffix = IsITANMSVCWindows ? ".obj" : ".o";
|
|
break;
|
|
case ToolChain::FT_Static:
|
|
Suffix = IsITANMSVCWindows ? ".lib" : ".a";
|
|
break;
|
|
case ToolChain::FT_Shared:
|
|
if (TT.isOSWindows())
|
|
Suffix = TT.isWindowsGNUEnvironment() ? ".dll.a" : ".lib";
|
|
else if (TT.isOSAIX())
|
|
Suffix = ".a";
|
|
else
|
|
Suffix = ".so";
|
|
break;
|
|
}
|
|
|
|
std::string ArchAndEnv;
|
|
if (AddArch) {
|
|
StringRef Arch = getArchNameForCompilerRTLib(*this, Args);
|
|
const char *Env = TT.isAndroid() ? "-android" : "";
|
|
ArchAndEnv = ("-" + Arch + Env).str();
|
|
}
|
|
|
|
std::string LibName = IsFortran ? "flang_rt." : "clang_rt.";
|
|
return (Prefix + Twine(LibName) + Component + ArchAndEnv + Suffix).str();
|
|
}
|
|
|
|
std::string ToolChain::getCompilerRT(const ArgList &Args, StringRef Component,
|
|
FileType Type, bool IsFortran) const {
|
|
// Check for runtime files in the new layout without the architecture first.
|
|
std::string CRTBasename = buildCompilerRTBasename(
|
|
Args, Component, Type, /*AddArch=*/false, IsFortran);
|
|
SmallString<128> Path;
|
|
for (const auto &LibPath : getLibraryPaths()) {
|
|
SmallString<128> P(LibPath);
|
|
llvm::sys::path::append(P, CRTBasename);
|
|
if (getVFS().exists(P))
|
|
return std::string(P);
|
|
if (Path.empty())
|
|
Path = P;
|
|
}
|
|
|
|
// Check the filename for the old layout if the new one does not exist.
|
|
CRTBasename = buildCompilerRTBasename(Args, Component, Type,
|
|
/*AddArch=*/!IsFortran, IsFortran);
|
|
SmallString<128> OldPath(getCompilerRTPath());
|
|
llvm::sys::path::append(OldPath, CRTBasename);
|
|
if (Path.empty() || getVFS().exists(OldPath))
|
|
return std::string(OldPath);
|
|
|
|
// If none is found, use a file name from the new layout, which may get
|
|
// printed in an error message, aiding users in knowing what Clang is
|
|
// looking for.
|
|
return std::string(Path);
|
|
}
|
|
|
|
const char *ToolChain::getCompilerRTArgString(const llvm::opt::ArgList &Args,
|
|
StringRef Component,
|
|
FileType Type,
|
|
bool isFortran) const {
|
|
return Args.MakeArgString(getCompilerRT(Args, Component, Type, isFortran));
|
|
}
|
|
|
|
/// Add Fortran runtime libs
|
|
void ToolChain::addFortranRuntimeLibs(const ArgList &Args,
|
|
llvm::opt::ArgStringList &CmdArgs) const {
|
|
// Link flang_rt.runtime
|
|
// These are handled earlier on Windows by telling the frontend driver to
|
|
// add the correct libraries to link against as dependents in the object
|
|
// file.
|
|
if (!getTriple().isKnownWindowsMSVCEnvironment()) {
|
|
StringRef F128LibName = getDriver().getFlangF128MathLibrary();
|
|
F128LibName.consume_front_insensitive("lib");
|
|
if (!F128LibName.empty()) {
|
|
bool AsNeeded = !getTriple().isOSAIX();
|
|
CmdArgs.push_back("-lflang_rt.quadmath");
|
|
if (AsNeeded)
|
|
addAsNeededOption(*this, Args, CmdArgs, /*as_needed=*/true);
|
|
CmdArgs.push_back(Args.MakeArgString("-l" + F128LibName));
|
|
if (AsNeeded)
|
|
addAsNeededOption(*this, Args, CmdArgs, /*as_needed=*/false);
|
|
}
|
|
addFlangRTLibPath(Args, CmdArgs);
|
|
|
|
// needs libexecinfo for backtrace functions
|
|
if (getTriple().isOSFreeBSD() || getTriple().isOSNetBSD() ||
|
|
getTriple().isOSOpenBSD() || getTriple().isOSDragonFly())
|
|
CmdArgs.push_back("-lexecinfo");
|
|
}
|
|
|
|
// libomp needs libatomic for atomic operations if using libgcc
|
|
if (Args.hasFlag(options::OPT_fopenmp, options::OPT_fopenmp_EQ,
|
|
options::OPT_fno_openmp, false)) {
|
|
Driver::OpenMPRuntimeKind OMPRuntime = getDriver().getOpenMPRuntime(Args);
|
|
ToolChain::RuntimeLibType RuntimeLib = GetRuntimeLibType(Args);
|
|
if (OMPRuntime == Driver::OMPRT_OMP && RuntimeLib == ToolChain::RLT_Libgcc)
|
|
CmdArgs.push_back("-latomic");
|
|
}
|
|
}
|
|
|
|
void ToolChain::addFortranRuntimeLibraryPath(const llvm::opt::ArgList &Args,
|
|
ArgStringList &CmdArgs) const {
|
|
auto AddLibSearchPathIfExists = [&](const Twine &Path) {
|
|
// Linker may emit warnings about non-existing directories
|
|
if (!llvm::sys::fs::is_directory(Path))
|
|
return;
|
|
|
|
if (getTriple().isKnownWindowsMSVCEnvironment())
|
|
CmdArgs.push_back(Args.MakeArgString("-libpath:" + Path));
|
|
else
|
|
CmdArgs.push_back(Args.MakeArgString("-L" + Path));
|
|
};
|
|
|
|
// Search for flang_rt.* at the same location as clang_rt.* with
|
|
// LLVM_ENABLE_PER_TARGET_RUNTIME_DIR=0. On most platforms, flang_rt is
|
|
// located at the path returned by getRuntimePath() which is already added to
|
|
// the library search path. This exception is for Apple-Darwin.
|
|
AddLibSearchPathIfExists(getCompilerRTPath());
|
|
|
|
// Fall back to the non-resource directory <driver-path>/../lib. We will
|
|
// probably have to refine this in the future. In particular, on some
|
|
// platforms, we may need to use lib64 instead of lib.
|
|
SmallString<256> DefaultLibPath =
|
|
llvm::sys::path::parent_path(getDriver().Dir);
|
|
llvm::sys::path::append(DefaultLibPath, "lib");
|
|
AddLibSearchPathIfExists(DefaultLibPath);
|
|
}
|
|
|
|
void ToolChain::addFlangRTLibPath(const ArgList &Args,
|
|
llvm::opt::ArgStringList &CmdArgs) const {
|
|
// Link static flang_rt.runtime.a or shared flang_rt.runtime.so.
|
|
// On AIX, default to static flang-rt.
|
|
if (Args.hasFlag(options::OPT_static_libflangrt,
|
|
options::OPT_shared_libflangrt, getTriple().isOSAIX()))
|
|
CmdArgs.push_back(
|
|
getCompilerRTArgString(Args, "runtime", ToolChain::FT_Static, true));
|
|
else {
|
|
CmdArgs.push_back("-lflang_rt.runtime");
|
|
addArchSpecificRPath(*this, Args, CmdArgs);
|
|
}
|
|
}
|
|
|
|
// Android target triples contain a target version. If we don't have libraries
|
|
// for the exact target version, we should fall back to the next newest version
|
|
// or a versionless path, if any.
|
|
std::optional<std::string>
|
|
ToolChain::getFallbackAndroidTargetPath(StringRef BaseDir) const {
|
|
llvm::Triple TripleWithoutLevel(getTriple());
|
|
TripleWithoutLevel.setEnvironmentName("android"); // remove any version number
|
|
const std::string &TripleWithoutLevelStr = TripleWithoutLevel.str();
|
|
unsigned TripleVersion = getTriple().getEnvironmentVersion().getMajor();
|
|
unsigned BestVersion = 0;
|
|
|
|
SmallString<32> TripleDir;
|
|
bool UsingUnversionedDir = false;
|
|
std::error_code EC;
|
|
for (llvm::vfs::directory_iterator LI = getVFS().dir_begin(BaseDir, EC), LE;
|
|
!EC && LI != LE; LI = LI.increment(EC)) {
|
|
StringRef DirName = llvm::sys::path::filename(LI->path());
|
|
StringRef DirNameSuffix = DirName;
|
|
if (DirNameSuffix.consume_front(TripleWithoutLevelStr)) {
|
|
if (DirNameSuffix.empty() && TripleDir.empty()) {
|
|
TripleDir = DirName;
|
|
UsingUnversionedDir = true;
|
|
} else {
|
|
unsigned Version;
|
|
if (!DirNameSuffix.getAsInteger(10, Version) && Version > BestVersion &&
|
|
Version < TripleVersion) {
|
|
BestVersion = Version;
|
|
TripleDir = DirName;
|
|
UsingUnversionedDir = false;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (TripleDir.empty())
|
|
return {};
|
|
|
|
SmallString<128> P(BaseDir);
|
|
llvm::sys::path::append(P, TripleDir);
|
|
if (UsingUnversionedDir)
|
|
D.Diag(diag::warn_android_unversioned_fallback) << P << getTripleString();
|
|
return std::string(P);
|
|
}
|
|
|
|
llvm::Triple ToolChain::getTripleWithoutOSVersion() const {
|
|
return (Triple.hasEnvironment()
|
|
? llvm::Triple(Triple.getArchName(), Triple.getVendorName(),
|
|
llvm::Triple::getOSTypeName(Triple.getOS()),
|
|
llvm::Triple::getEnvironmentTypeName(
|
|
Triple.getEnvironment()))
|
|
: llvm::Triple(Triple.getArchName(), Triple.getVendorName(),
|
|
llvm::Triple::getOSTypeName(Triple.getOS())));
|
|
}
|
|
|
|
std::optional<std::string>
|
|
ToolChain::getTargetSubDirPath(StringRef BaseDir) const {
|
|
auto getPathForTriple =
|
|
[&](const llvm::Triple &Triple) -> std::optional<std::string> {
|
|
SmallString<128> P(BaseDir);
|
|
llvm::sys::path::append(P, Triple.str());
|
|
if (getVFS().exists(P))
|
|
return std::string(P);
|
|
return {};
|
|
};
|
|
|
|
const llvm::Triple &T = getTriple();
|
|
if (auto Path = getPathForTriple(T))
|
|
return *Path;
|
|
|
|
if (T.isOSAIX()) {
|
|
llvm::Triple AIXTriple;
|
|
if (T.getEnvironment() == Triple::UnknownEnvironment) {
|
|
// Strip unknown environment and the OS version from the triple.
|
|
AIXTriple = llvm::Triple(T.getArchName(), T.getVendorName(),
|
|
llvm::Triple::getOSTypeName(T.getOS()));
|
|
} else {
|
|
// Strip the OS version from the triple.
|
|
AIXTriple = getTripleWithoutOSVersion();
|
|
}
|
|
if (auto Path = getPathForTriple(AIXTriple))
|
|
return *Path;
|
|
}
|
|
|
|
if (T.isOSzOS() &&
|
|
(!T.getOSVersion().empty() || !T.getEnvironmentVersion().empty())) {
|
|
// Build the triple without version information
|
|
const llvm::Triple &TripleWithoutVersion = getTripleWithoutOSVersion();
|
|
if (auto Path = getPathForTriple(TripleWithoutVersion))
|
|
return *Path;
|
|
}
|
|
|
|
// When building with per target runtime directories, various ways of naming
|
|
// the Arm architecture may have been normalised to simply "arm".
|
|
// For example "armv8l" (Armv8 AArch32 little endian) is replaced with "arm".
|
|
// Since an armv8l system can use libraries built for earlier architecture
|
|
// versions assuming endian and float ABI match.
|
|
//
|
|
// Original triple: armv8l-unknown-linux-gnueabihf
|
|
// Runtime triple: arm-unknown-linux-gnueabihf
|
|
//
|
|
// We do not do this for armeb (big endian) because doing so could make us
|
|
// select little endian libraries. In addition, all known armeb triples only
|
|
// use the "armeb" architecture name.
|
|
//
|
|
// M profile Arm is bare metal and we know they will not be using the per
|
|
// target runtime directory layout.
|
|
if (T.getArch() == Triple::arm && !T.isArmMClass()) {
|
|
llvm::Triple ArmTriple = T;
|
|
ArmTriple.setArch(Triple::arm);
|
|
if (auto Path = getPathForTriple(ArmTriple))
|
|
return *Path;
|
|
}
|
|
|
|
if (T.isAndroid())
|
|
return getFallbackAndroidTargetPath(BaseDir);
|
|
|
|
return {};
|
|
}
|
|
|
|
std::optional<std::string> ToolChain::getRuntimePath() const {
|
|
SmallString<128> P(D.ResourceDir);
|
|
llvm::sys::path::append(P, "lib");
|
|
if (auto Ret = getTargetSubDirPath(P))
|
|
return Ret;
|
|
// Darwin does not use per-target runtime directory.
|
|
if (Triple.isOSDarwin())
|
|
return {};
|
|
|
|
llvm::sys::path::append(P, Triple.str());
|
|
return std::string(P);
|
|
}
|
|
|
|
std::optional<std::string> ToolChain::getStdlibPath() const {
|
|
SmallString<128> P(D.Dir);
|
|
llvm::sys::path::append(P, "..", "lib");
|
|
return getTargetSubDirPath(P);
|
|
}
|
|
|
|
std::optional<std::string> ToolChain::getStdlibIncludePath() const {
|
|
SmallString<128> P(D.Dir);
|
|
llvm::sys::path::append(P, "..", "include");
|
|
return getTargetSubDirPath(P);
|
|
}
|
|
|
|
ToolChain::path_list ToolChain::getArchSpecificLibPaths() const {
|
|
path_list Paths;
|
|
|
|
auto AddPath = [&](const ArrayRef<StringRef> &SS) {
|
|
SmallString<128> Path(getDriver().ResourceDir);
|
|
llvm::sys::path::append(Path, "lib");
|
|
for (auto &S : SS)
|
|
llvm::sys::path::append(Path, S);
|
|
Paths.push_back(std::string(Path));
|
|
};
|
|
|
|
AddPath({getTriple().str()});
|
|
AddPath({getOSLibName(), llvm::Triple::getArchTypeName(getArch())});
|
|
return Paths;
|
|
}
|
|
|
|
bool ToolChain::needsProfileRT(const ArgList &Args) {
|
|
if (Args.hasArg(options::OPT_noprofilelib))
|
|
return false;
|
|
|
|
return Args.hasArg(options::OPT_fprofile_generate) ||
|
|
Args.hasArg(options::OPT_fprofile_generate_EQ) ||
|
|
Args.hasArg(options::OPT_fcs_profile_generate) ||
|
|
Args.hasArg(options::OPT_fcs_profile_generate_EQ) ||
|
|
Args.hasArg(options::OPT_fprofile_instr_generate) ||
|
|
Args.hasArg(options::OPT_fprofile_instr_generate_EQ) ||
|
|
Args.hasArg(options::OPT_fcreate_profile) ||
|
|
Args.hasArg(options::OPT_fprofile_generate_cold_function_coverage) ||
|
|
Args.hasArg(options::OPT_fprofile_generate_cold_function_coverage_EQ);
|
|
}
|
|
|
|
bool ToolChain::needsGCovInstrumentation(const llvm::opt::ArgList &Args) {
|
|
return Args.hasArg(options::OPT_coverage) ||
|
|
Args.hasFlag(options::OPT_fprofile_arcs, options::OPT_fno_profile_arcs,
|
|
false);
|
|
}
|
|
|
|
Tool *ToolChain::SelectTool(const JobAction &JA) const {
|
|
if (D.IsFlangMode() && getDriver().ShouldUseFlangCompiler(JA)) return getFlang();
|
|
if (getDriver().ShouldUseClangCompiler(JA)) return getClang();
|
|
Action::ActionClass AC = JA.getKind();
|
|
if (AC == Action::AssembleJobClass && useIntegratedAs() &&
|
|
!getTriple().isOSAIX())
|
|
return getClangAs();
|
|
return getTool(AC);
|
|
}
|
|
|
|
std::string ToolChain::GetFilePath(const char *Name) const {
|
|
return D.GetFilePath(Name, *this);
|
|
}
|
|
|
|
std::string ToolChain::GetProgramPath(const char *Name) const {
|
|
return D.GetProgramPath(Name, *this);
|
|
}
|
|
|
|
std::string ToolChain::GetLinkerPath(bool *LinkerIsLLD) const {
|
|
if (LinkerIsLLD)
|
|
*LinkerIsLLD = false;
|
|
|
|
// Get -fuse-ld= first to prevent -Wunused-command-line-argument. -fuse-ld= is
|
|
// considered as the linker flavor, e.g. "bfd", "gold", or "lld".
|
|
const Arg* A = Args.getLastArg(options::OPT_fuse_ld_EQ);
|
|
StringRef UseLinker = A ? A->getValue() : CLANG_DEFAULT_LINKER;
|
|
|
|
// --ld-path= takes precedence over -fuse-ld= and specifies the executable
|
|
// name. -B, COMPILER_PATH and PATH and consulted if the value does not
|
|
// contain a path component separator.
|
|
// -fuse-ld=lld can be used with --ld-path= to inform clang that the binary
|
|
// that --ld-path= points to is lld.
|
|
if (const Arg *A = Args.getLastArg(options::OPT_ld_path_EQ)) {
|
|
std::string Path(A->getValue());
|
|
if (!Path.empty()) {
|
|
if (llvm::sys::path::parent_path(Path).empty())
|
|
Path = GetProgramPath(A->getValue());
|
|
if (llvm::sys::fs::can_execute(Path)) {
|
|
if (LinkerIsLLD)
|
|
*LinkerIsLLD = UseLinker == "lld";
|
|
return std::string(Path);
|
|
}
|
|
}
|
|
getDriver().Diag(diag::err_drv_invalid_linker_name) << A->getAsString(Args);
|
|
return GetProgramPath(getDefaultLinker());
|
|
}
|
|
// If we're passed -fuse-ld= with no argument, or with the argument ld,
|
|
// then use whatever the default system linker is.
|
|
if (UseLinker.empty() || UseLinker == "ld") {
|
|
const char *DefaultLinker = getDefaultLinker();
|
|
if (llvm::sys::path::is_absolute(DefaultLinker))
|
|
return std::string(DefaultLinker);
|
|
else
|
|
return GetProgramPath(DefaultLinker);
|
|
}
|
|
|
|
// Extending -fuse-ld= to an absolute or relative path is unexpected. Checking
|
|
// for the linker flavor is brittle. In addition, prepending "ld." or "ld64."
|
|
// to a relative path is surprising. This is more complex due to priorities
|
|
// among -B, COMPILER_PATH and PATH. --ld-path= should be used instead.
|
|
if (UseLinker.contains('/'))
|
|
getDriver().Diag(diag::warn_drv_fuse_ld_path);
|
|
|
|
if (llvm::sys::path::is_absolute(UseLinker)) {
|
|
// If we're passed what looks like an absolute path, don't attempt to
|
|
// second-guess that.
|
|
if (llvm::sys::fs::can_execute(UseLinker))
|
|
return std::string(UseLinker);
|
|
} else {
|
|
llvm::SmallString<8> LinkerName;
|
|
if (Triple.isOSDarwin())
|
|
LinkerName.append("ld64.");
|
|
else
|
|
LinkerName.append("ld.");
|
|
LinkerName.append(UseLinker);
|
|
|
|
std::string LinkerPath(GetProgramPath(LinkerName.c_str()));
|
|
if (llvm::sys::fs::can_execute(LinkerPath)) {
|
|
if (LinkerIsLLD)
|
|
*LinkerIsLLD = UseLinker == "lld";
|
|
return LinkerPath;
|
|
}
|
|
}
|
|
|
|
if (A)
|
|
getDriver().Diag(diag::err_drv_invalid_linker_name) << A->getAsString(Args);
|
|
|
|
return GetProgramPath(getDefaultLinker());
|
|
}
|
|
|
|
std::string ToolChain::GetStaticLibToolPath() const {
|
|
// TODO: Add support for static lib archiving on Windows
|
|
if (Triple.isOSDarwin())
|
|
return GetProgramPath("libtool");
|
|
return GetProgramPath("llvm-ar");
|
|
}
|
|
|
|
types::ID ToolChain::LookupTypeForExtension(StringRef Ext) const {
|
|
types::ID id = types::lookupTypeForExtension(Ext);
|
|
|
|
// Flang always runs the preprocessor and has no notion of "preprocessed
|
|
// fortran". Here, TY_PP_Fortran is coerced to TY_Fortran to avoid treating
|
|
// them differently.
|
|
if (D.IsFlangMode() && id == types::TY_PP_Fortran)
|
|
id = types::TY_Fortran;
|
|
|
|
return id;
|
|
}
|
|
|
|
bool ToolChain::HasNativeLLVMSupport() const {
|
|
return false;
|
|
}
|
|
|
|
bool ToolChain::isCrossCompiling() const {
|
|
llvm::Triple HostTriple(LLVM_HOST_TRIPLE);
|
|
switch (HostTriple.getArch()) {
|
|
// The A32/T32/T16 instruction sets are not separate architectures in this
|
|
// context.
|
|
case llvm::Triple::arm:
|
|
case llvm::Triple::armeb:
|
|
case llvm::Triple::thumb:
|
|
case llvm::Triple::thumbeb:
|
|
return getArch() != llvm::Triple::arm && getArch() != llvm::Triple::thumb &&
|
|
getArch() != llvm::Triple::armeb && getArch() != llvm::Triple::thumbeb;
|
|
default:
|
|
return HostTriple.getArch() != getArch();
|
|
}
|
|
}
|
|
|
|
ObjCRuntime ToolChain::getDefaultObjCRuntime(bool isNonFragile) const {
|
|
return ObjCRuntime(isNonFragile ? ObjCRuntime::GNUstep : ObjCRuntime::GCC,
|
|
VersionTuple());
|
|
}
|
|
|
|
llvm::ExceptionHandling
|
|
ToolChain::GetExceptionModel(const llvm::opt::ArgList &Args) const {
|
|
return llvm::ExceptionHandling::None;
|
|
}
|
|
|
|
bool ToolChain::isThreadModelSupported(const StringRef Model) const {
|
|
if (Model == "single") {
|
|
// FIXME: 'single' is only supported on ARM and WebAssembly so far.
|
|
return Triple.getArch() == llvm::Triple::arm ||
|
|
Triple.getArch() == llvm::Triple::armeb ||
|
|
Triple.getArch() == llvm::Triple::thumb ||
|
|
Triple.getArch() == llvm::Triple::thumbeb || Triple.isWasm();
|
|
} else if (Model == "posix")
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
std::string ToolChain::ComputeLLVMTriple(const ArgList &Args,
|
|
types::ID InputType) const {
|
|
switch (getTriple().getArch()) {
|
|
default:
|
|
return getTripleString();
|
|
|
|
case llvm::Triple::x86_64: {
|
|
llvm::Triple Triple = getTriple();
|
|
if (!Triple.isOSBinFormatMachO())
|
|
return getTripleString();
|
|
|
|
if (Arg *A = Args.getLastArg(options::OPT_march_EQ)) {
|
|
// x86_64h goes in the triple. Other -march options just use the
|
|
// vanilla triple we already have.
|
|
StringRef MArch = A->getValue();
|
|
if (MArch == "x86_64h")
|
|
Triple.setArchName(MArch);
|
|
}
|
|
return Triple.getTriple();
|
|
}
|
|
case llvm::Triple::aarch64: {
|
|
llvm::Triple Triple = getTriple();
|
|
tools::aarch64::setPAuthABIInTriple(getDriver(), Args, Triple);
|
|
if (!Triple.isOSBinFormatMachO())
|
|
return Triple.getTriple();
|
|
|
|
if (Triple.isArm64e())
|
|
return Triple.getTriple();
|
|
|
|
// FIXME: older versions of ld64 expect the "arm64" component in the actual
|
|
// triple string and query it to determine whether an LTO file can be
|
|
// handled. Remove this when we don't care any more.
|
|
Triple.setArchName("arm64");
|
|
return Triple.getTriple();
|
|
}
|
|
case llvm::Triple::aarch64_32:
|
|
return getTripleString();
|
|
case llvm::Triple::amdgcn: {
|
|
llvm::Triple Triple = getTriple();
|
|
if (Args.getLastArgValue(options::OPT_mcpu_EQ) == "amdgcnspirv")
|
|
Triple.setArch(llvm::Triple::ArchType::spirv64);
|
|
return Triple.getTriple();
|
|
}
|
|
case llvm::Triple::arm:
|
|
case llvm::Triple::armeb:
|
|
case llvm::Triple::thumb:
|
|
case llvm::Triple::thumbeb: {
|
|
llvm::Triple Triple = getTriple();
|
|
tools::arm::setArchNameInTriple(getDriver(), Args, InputType, Triple);
|
|
tools::arm::setFloatABIInTriple(getDriver(), Args, Triple);
|
|
return Triple.getTriple();
|
|
}
|
|
}
|
|
}
|
|
|
|
std::string ToolChain::ComputeEffectiveClangTriple(const ArgList &Args,
|
|
types::ID InputType) const {
|
|
return ComputeLLVMTriple(Args, InputType);
|
|
}
|
|
|
|
std::string ToolChain::computeSysRoot() const {
|
|
return D.SysRoot;
|
|
}
|
|
|
|
void ToolChain::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
|
|
ArgStringList &CC1Args) const {
|
|
// Each toolchain should provide the appropriate include flags.
|
|
}
|
|
|
|
void ToolChain::addClangTargetOptions(
|
|
const ArgList &DriverArgs, ArgStringList &CC1Args,
|
|
Action::OffloadKind DeviceOffloadKind) const {}
|
|
|
|
void ToolChain::addClangCC1ASTargetOptions(const ArgList &Args,
|
|
ArgStringList &CC1ASArgs) const {}
|
|
|
|
void ToolChain::addClangWarningOptions(ArgStringList &CC1Args) const {}
|
|
|
|
void ToolChain::addProfileRTLibs(const llvm::opt::ArgList &Args,
|
|
llvm::opt::ArgStringList &CmdArgs) const {
|
|
if (!needsProfileRT(Args) && !needsGCovInstrumentation(Args))
|
|
return;
|
|
|
|
CmdArgs.push_back(getCompilerRTArgString(Args, "profile"));
|
|
}
|
|
|
|
ToolChain::RuntimeLibType ToolChain::GetRuntimeLibType(
|
|
const ArgList &Args) const {
|
|
if (runtimeLibType)
|
|
return *runtimeLibType;
|
|
|
|
const Arg* A = Args.getLastArg(options::OPT_rtlib_EQ);
|
|
StringRef LibName = A ? A->getValue() : CLANG_DEFAULT_RTLIB;
|
|
|
|
// Only use "platform" in tests to override CLANG_DEFAULT_RTLIB!
|
|
if (LibName == "compiler-rt")
|
|
runtimeLibType = ToolChain::RLT_CompilerRT;
|
|
else if (LibName == "libgcc")
|
|
runtimeLibType = ToolChain::RLT_Libgcc;
|
|
else if (LibName == "platform")
|
|
runtimeLibType = GetDefaultRuntimeLibType();
|
|
else {
|
|
if (A)
|
|
getDriver().Diag(diag::err_drv_invalid_rtlib_name)
|
|
<< A->getAsString(Args);
|
|
|
|
runtimeLibType = GetDefaultRuntimeLibType();
|
|
}
|
|
|
|
return *runtimeLibType;
|
|
}
|
|
|
|
ToolChain::UnwindLibType ToolChain::GetUnwindLibType(
|
|
const ArgList &Args) const {
|
|
if (unwindLibType)
|
|
return *unwindLibType;
|
|
|
|
const Arg *A = Args.getLastArg(options::OPT_unwindlib_EQ);
|
|
StringRef LibName = A ? A->getValue() : CLANG_DEFAULT_UNWINDLIB;
|
|
|
|
if (LibName == "none")
|
|
unwindLibType = ToolChain::UNW_None;
|
|
else if (LibName == "platform" || LibName == "") {
|
|
ToolChain::RuntimeLibType RtLibType = GetRuntimeLibType(Args);
|
|
if (RtLibType == ToolChain::RLT_CompilerRT) {
|
|
if (getTriple().isAndroid() || getTriple().isOSAIX())
|
|
unwindLibType = ToolChain::UNW_CompilerRT;
|
|
else
|
|
unwindLibType = ToolChain::UNW_None;
|
|
} else if (RtLibType == ToolChain::RLT_Libgcc)
|
|
unwindLibType = ToolChain::UNW_Libgcc;
|
|
} else if (LibName == "libunwind") {
|
|
if (GetRuntimeLibType(Args) == RLT_Libgcc)
|
|
getDriver().Diag(diag::err_drv_incompatible_unwindlib);
|
|
unwindLibType = ToolChain::UNW_CompilerRT;
|
|
} else if (LibName == "libgcc")
|
|
unwindLibType = ToolChain::UNW_Libgcc;
|
|
else {
|
|
if (A)
|
|
getDriver().Diag(diag::err_drv_invalid_unwindlib_name)
|
|
<< A->getAsString(Args);
|
|
|
|
unwindLibType = GetDefaultUnwindLibType();
|
|
}
|
|
|
|
return *unwindLibType;
|
|
}
|
|
|
|
ToolChain::CXXStdlibType ToolChain::GetCXXStdlibType(const ArgList &Args) const{
|
|
if (cxxStdlibType)
|
|
return *cxxStdlibType;
|
|
|
|
const Arg *A = Args.getLastArg(options::OPT_stdlib_EQ);
|
|
StringRef LibName = A ? A->getValue() : CLANG_DEFAULT_CXX_STDLIB;
|
|
|
|
// Only use "platform" in tests to override CLANG_DEFAULT_CXX_STDLIB!
|
|
if (LibName == "libc++")
|
|
cxxStdlibType = ToolChain::CST_Libcxx;
|
|
else if (LibName == "libstdc++")
|
|
cxxStdlibType = ToolChain::CST_Libstdcxx;
|
|
else if (LibName == "platform")
|
|
cxxStdlibType = GetDefaultCXXStdlibType();
|
|
else {
|
|
if (A)
|
|
getDriver().Diag(diag::err_drv_invalid_stdlib_name)
|
|
<< A->getAsString(Args);
|
|
|
|
cxxStdlibType = GetDefaultCXXStdlibType();
|
|
}
|
|
|
|
return *cxxStdlibType;
|
|
}
|
|
|
|
/// Utility function to add a system framework directory to CC1 arguments.
|
|
void ToolChain::addSystemFrameworkInclude(const llvm::opt::ArgList &DriverArgs,
|
|
llvm::opt::ArgStringList &CC1Args,
|
|
const Twine &Path) {
|
|
CC1Args.push_back("-internal-iframework");
|
|
CC1Args.push_back(DriverArgs.MakeArgString(Path));
|
|
}
|
|
|
|
/// Utility function to add a system include directory to CC1 arguments.
|
|
void ToolChain::addSystemInclude(const ArgList &DriverArgs,
|
|
ArgStringList &CC1Args, const Twine &Path) {
|
|
CC1Args.push_back("-internal-isystem");
|
|
CC1Args.push_back(DriverArgs.MakeArgString(Path));
|
|
}
|
|
|
|
/// Utility function to add a system include directory with extern "C"
|
|
/// semantics to CC1 arguments.
|
|
///
|
|
/// Note that this should be used rarely, and only for directories that
|
|
/// historically and for legacy reasons are treated as having implicit extern
|
|
/// "C" semantics. These semantics are *ignored* by and large today, but its
|
|
/// important to preserve the preprocessor changes resulting from the
|
|
/// classification.
|
|
void ToolChain::addExternCSystemInclude(const ArgList &DriverArgs,
|
|
ArgStringList &CC1Args,
|
|
const Twine &Path) {
|
|
CC1Args.push_back("-internal-externc-isystem");
|
|
CC1Args.push_back(DriverArgs.MakeArgString(Path));
|
|
}
|
|
|
|
void ToolChain::addExternCSystemIncludeIfExists(const ArgList &DriverArgs,
|
|
ArgStringList &CC1Args,
|
|
const Twine &Path) {
|
|
if (llvm::sys::fs::exists(Path))
|
|
addExternCSystemInclude(DriverArgs, CC1Args, Path);
|
|
}
|
|
|
|
/// Utility function to add a list of system framework directories to CC1.
|
|
void ToolChain::addSystemFrameworkIncludes(const ArgList &DriverArgs,
|
|
ArgStringList &CC1Args,
|
|
ArrayRef<StringRef> Paths) {
|
|
for (const auto &Path : Paths) {
|
|
CC1Args.push_back("-internal-iframework");
|
|
CC1Args.push_back(DriverArgs.MakeArgString(Path));
|
|
}
|
|
}
|
|
|
|
/// Utility function to add a list of system include directories to CC1.
|
|
void ToolChain::addSystemIncludes(const ArgList &DriverArgs,
|
|
ArgStringList &CC1Args,
|
|
ArrayRef<StringRef> Paths) {
|
|
for (const auto &Path : Paths) {
|
|
CC1Args.push_back("-internal-isystem");
|
|
CC1Args.push_back(DriverArgs.MakeArgString(Path));
|
|
}
|
|
}
|
|
|
|
std::string ToolChain::concat(StringRef Path, const Twine &A, const Twine &B,
|
|
const Twine &C, const Twine &D) {
|
|
SmallString<128> Result(Path);
|
|
llvm::sys::path::append(Result, llvm::sys::path::Style::posix, A, B, C, D);
|
|
return std::string(Result);
|
|
}
|
|
|
|
std::string ToolChain::detectLibcxxVersion(StringRef IncludePath) const {
|
|
std::error_code EC;
|
|
int MaxVersion = 0;
|
|
std::string MaxVersionString;
|
|
SmallString<128> Path(IncludePath);
|
|
llvm::sys::path::append(Path, "c++");
|
|
for (llvm::vfs::directory_iterator LI = getVFS().dir_begin(Path, EC), LE;
|
|
!EC && LI != LE; LI = LI.increment(EC)) {
|
|
StringRef VersionText = llvm::sys::path::filename(LI->path());
|
|
int Version;
|
|
if (VersionText[0] == 'v' &&
|
|
!VersionText.substr(1).getAsInteger(10, Version)) {
|
|
if (Version > MaxVersion) {
|
|
MaxVersion = Version;
|
|
MaxVersionString = std::string(VersionText);
|
|
}
|
|
}
|
|
}
|
|
if (!MaxVersion)
|
|
return "";
|
|
return MaxVersionString;
|
|
}
|
|
|
|
void ToolChain::AddClangCXXStdlibIncludeArgs(const ArgList &DriverArgs,
|
|
ArgStringList &CC1Args) const {
|
|
// Header search paths should be handled by each of the subclasses.
|
|
// Historically, they have not been, and instead have been handled inside of
|
|
// the CC1-layer frontend. As the logic is hoisted out, this generic function
|
|
// will slowly stop being called.
|
|
//
|
|
// While it is being called, replicate a bit of a hack to propagate the
|
|
// '-stdlib=' flag down to CC1 so that it can in turn customize the C++
|
|
// header search paths with it. Once all systems are overriding this
|
|
// function, the CC1 flag and this line can be removed.
|
|
DriverArgs.AddAllArgs(CC1Args, options::OPT_stdlib_EQ);
|
|
}
|
|
|
|
void ToolChain::AddClangCXXStdlibIsystemArgs(
|
|
const llvm::opt::ArgList &DriverArgs,
|
|
llvm::opt::ArgStringList &CC1Args) const {
|
|
DriverArgs.ClaimAllArgs(options::OPT_stdlibxx_isystem);
|
|
// This intentionally only looks at -nostdinc++, and not -nostdinc or
|
|
// -nostdlibinc. The purpose of -stdlib++-isystem is to support toolchain
|
|
// setups with non-standard search logic for the C++ headers, while still
|
|
// allowing users of the toolchain to bring their own C++ headers. Such a
|
|
// toolchain likely also has non-standard search logic for the C headers and
|
|
// uses -nostdinc to suppress the default logic, but -stdlib++-isystem should
|
|
// still work in that case and only be suppressed by an explicit -nostdinc++
|
|
// in a project using the toolchain.
|
|
if (!DriverArgs.hasArg(options::OPT_nostdincxx))
|
|
for (const auto &P :
|
|
DriverArgs.getAllArgValues(options::OPT_stdlibxx_isystem))
|
|
addSystemInclude(DriverArgs, CC1Args, P);
|
|
}
|
|
|
|
bool ToolChain::ShouldLinkCXXStdlib(const llvm::opt::ArgList &Args) const {
|
|
return getDriver().CCCIsCXX() &&
|
|
!Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs,
|
|
options::OPT_nostdlibxx);
|
|
}
|
|
|
|
void ToolChain::AddCXXStdlibLibArgs(const ArgList &Args,
|
|
ArgStringList &CmdArgs) const {
|
|
assert(!Args.hasArg(options::OPT_nostdlibxx) &&
|
|
"should not have called this");
|
|
CXXStdlibType Type = GetCXXStdlibType(Args);
|
|
|
|
switch (Type) {
|
|
case ToolChain::CST_Libcxx:
|
|
CmdArgs.push_back("-lc++");
|
|
if (Args.hasArg(options::OPT_fexperimental_library))
|
|
CmdArgs.push_back("-lc++experimental");
|
|
break;
|
|
|
|
case ToolChain::CST_Libstdcxx:
|
|
CmdArgs.push_back("-lstdc++");
|
|
break;
|
|
}
|
|
}
|
|
|
|
void ToolChain::AddFilePathLibArgs(const ArgList &Args,
|
|
ArgStringList &CmdArgs) const {
|
|
for (const auto &LibPath : getFilePaths())
|
|
if(LibPath.length() > 0)
|
|
CmdArgs.push_back(Args.MakeArgString(StringRef("-L") + LibPath));
|
|
}
|
|
|
|
void ToolChain::AddCCKextLibArgs(const ArgList &Args,
|
|
ArgStringList &CmdArgs) const {
|
|
CmdArgs.push_back("-lcc_kext");
|
|
}
|
|
|
|
bool ToolChain::isFastMathRuntimeAvailable(const ArgList &Args,
|
|
std::string &Path) const {
|
|
// Don't implicitly link in mode-changing libraries in a shared library, since
|
|
// this can have very deleterious effects. See the various links from
|
|
// https://github.com/llvm/llvm-project/issues/57589 for more information.
|
|
bool Default = !Args.hasArgNoClaim(options::OPT_shared);
|
|
|
|
// Do not check for -fno-fast-math or -fno-unsafe-math when -Ofast passed
|
|
// (to keep the linker options consistent with gcc and clang itself).
|
|
if (Default && !isOptimizationLevelFast(Args)) {
|
|
// Check if -ffast-math or -funsafe-math.
|
|
Arg *A = Args.getLastArg(
|
|
options::OPT_ffast_math, options::OPT_fno_fast_math,
|
|
options::OPT_funsafe_math_optimizations,
|
|
options::OPT_fno_unsafe_math_optimizations, options::OPT_ffp_model_EQ);
|
|
|
|
if (!A || A->getOption().getID() == options::OPT_fno_fast_math ||
|
|
A->getOption().getID() == options::OPT_fno_unsafe_math_optimizations)
|
|
Default = false;
|
|
if (A && A->getOption().getID() == options::OPT_ffp_model_EQ) {
|
|
StringRef Model = A->getValue();
|
|
if (Model != "fast" && Model != "aggressive")
|
|
Default = false;
|
|
}
|
|
}
|
|
|
|
// Whatever decision came as a result of the above implicit settings, either
|
|
// -mdaz-ftz or -mno-daz-ftz is capable of overriding it.
|
|
if (!Args.hasFlag(options::OPT_mdaz_ftz, options::OPT_mno_daz_ftz, Default))
|
|
return false;
|
|
|
|
// If crtfastmath.o exists add it to the arguments.
|
|
Path = GetFilePath("crtfastmath.o");
|
|
return (Path != "crtfastmath.o"); // Not found.
|
|
}
|
|
|
|
bool ToolChain::addFastMathRuntimeIfAvailable(const ArgList &Args,
|
|
ArgStringList &CmdArgs) const {
|
|
std::string Path;
|
|
if (isFastMathRuntimeAvailable(Args, Path)) {
|
|
CmdArgs.push_back(Args.MakeArgString(Path));
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
Expected<SmallVector<std::string>>
|
|
ToolChain::getSystemGPUArchs(const llvm::opt::ArgList &Args) const {
|
|
return SmallVector<std::string>();
|
|
}
|
|
|
|
SanitizerMask ToolChain::getSupportedSanitizers() const {
|
|
// Return sanitizers which don't require runtime support and are not
|
|
// platform dependent.
|
|
|
|
SanitizerMask Res =
|
|
(SanitizerKind::Undefined & ~SanitizerKind::Vptr) |
|
|
(SanitizerKind::CFI & ~SanitizerKind::CFIICall) |
|
|
SanitizerKind::CFICastStrict | SanitizerKind::FloatDivideByZero |
|
|
SanitizerKind::KCFI | SanitizerKind::UnsignedIntegerOverflow |
|
|
SanitizerKind::UnsignedShiftBase | SanitizerKind::ImplicitConversion |
|
|
SanitizerKind::Nullability | SanitizerKind::LocalBounds;
|
|
if (getTriple().getArch() == llvm::Triple::x86 ||
|
|
getTriple().getArch() == llvm::Triple::x86_64 ||
|
|
getTriple().getArch() == llvm::Triple::arm ||
|
|
getTriple().getArch() == llvm::Triple::thumb || getTriple().isWasm() ||
|
|
getTriple().isAArch64() || getTriple().isRISCV() ||
|
|
getTriple().isLoongArch64())
|
|
Res |= SanitizerKind::CFIICall;
|
|
if (getTriple().getArch() == llvm::Triple::x86_64 ||
|
|
getTriple().isAArch64(64) || getTriple().isRISCV())
|
|
Res |= SanitizerKind::ShadowCallStack;
|
|
if (getTriple().isAArch64(64))
|
|
Res |= SanitizerKind::MemTag;
|
|
return Res;
|
|
}
|
|
|
|
void ToolChain::AddCudaIncludeArgs(const ArgList &DriverArgs,
|
|
ArgStringList &CC1Args) const {}
|
|
|
|
void ToolChain::AddHIPIncludeArgs(const ArgList &DriverArgs,
|
|
ArgStringList &CC1Args) const {}
|
|
|
|
void ToolChain::addSYCLIncludeArgs(const ArgList &DriverArgs,
|
|
ArgStringList &CC1Args) const {}
|
|
|
|
llvm::SmallVector<ToolChain::BitCodeLibraryInfo, 12>
|
|
ToolChain::getDeviceLibs(const ArgList &DriverArgs) const {
|
|
return {};
|
|
}
|
|
|
|
void ToolChain::AddIAMCUIncludeArgs(const ArgList &DriverArgs,
|
|
ArgStringList &CC1Args) const {}
|
|
|
|
static VersionTuple separateMSVCFullVersion(unsigned Version) {
|
|
if (Version < 100)
|
|
return VersionTuple(Version);
|
|
|
|
if (Version < 10000)
|
|
return VersionTuple(Version / 100, Version % 100);
|
|
|
|
unsigned Build = 0, Factor = 1;
|
|
for (; Version > 10000; Version = Version / 10, Factor = Factor * 10)
|
|
Build = Build + (Version % 10) * Factor;
|
|
return VersionTuple(Version / 100, Version % 100, Build);
|
|
}
|
|
|
|
VersionTuple
|
|
ToolChain::computeMSVCVersion(const Driver *D,
|
|
const llvm::opt::ArgList &Args) const {
|
|
const Arg *MSCVersion = Args.getLastArg(options::OPT_fmsc_version);
|
|
const Arg *MSCompatibilityVersion =
|
|
Args.getLastArg(options::OPT_fms_compatibility_version);
|
|
|
|
if (MSCVersion && MSCompatibilityVersion) {
|
|
if (D)
|
|
D->Diag(diag::err_drv_argument_not_allowed_with)
|
|
<< MSCVersion->getAsString(Args)
|
|
<< MSCompatibilityVersion->getAsString(Args);
|
|
return VersionTuple();
|
|
}
|
|
|
|
if (MSCompatibilityVersion) {
|
|
VersionTuple MSVT;
|
|
if (MSVT.tryParse(MSCompatibilityVersion->getValue())) {
|
|
if (D)
|
|
D->Diag(diag::err_drv_invalid_value)
|
|
<< MSCompatibilityVersion->getAsString(Args)
|
|
<< MSCompatibilityVersion->getValue();
|
|
} else {
|
|
return MSVT;
|
|
}
|
|
}
|
|
|
|
if (MSCVersion) {
|
|
unsigned Version = 0;
|
|
if (StringRef(MSCVersion->getValue()).getAsInteger(10, Version)) {
|
|
if (D)
|
|
D->Diag(diag::err_drv_invalid_value)
|
|
<< MSCVersion->getAsString(Args) << MSCVersion->getValue();
|
|
} else {
|
|
return separateMSVCFullVersion(Version);
|
|
}
|
|
}
|
|
|
|
return VersionTuple();
|
|
}
|
|
|
|
llvm::opt::DerivedArgList *ToolChain::TranslateOpenMPTargetArgs(
|
|
const llvm::opt::DerivedArgList &Args, bool SameTripleAsHost,
|
|
SmallVectorImpl<llvm::opt::Arg *> &AllocatedArgs) const {
|
|
DerivedArgList *DAL = new DerivedArgList(Args.getBaseArgs());
|
|
const OptTable &Opts = getDriver().getOpts();
|
|
bool Modified = false;
|
|
|
|
// Handle -Xopenmp-target flags
|
|
for (auto *A : Args) {
|
|
// Exclude flags which may only apply to the host toolchain.
|
|
// Do not exclude flags when the host triple (AuxTriple)
|
|
// matches the current toolchain triple. If it is not present
|
|
// at all, target and host share a toolchain.
|
|
if (A->getOption().matches(options::OPT_m_Group)) {
|
|
// Pass code object version to device toolchain
|
|
// to correctly set metadata in intermediate files.
|
|
if (SameTripleAsHost ||
|
|
A->getOption().matches(options::OPT_mcode_object_version_EQ))
|
|
DAL->append(A);
|
|
else
|
|
Modified = true;
|
|
continue;
|
|
}
|
|
|
|
unsigned Index;
|
|
unsigned Prev;
|
|
bool XOpenMPTargetNoTriple =
|
|
A->getOption().matches(options::OPT_Xopenmp_target);
|
|
|
|
if (A->getOption().matches(options::OPT_Xopenmp_target_EQ)) {
|
|
llvm::Triple TT(getOpenMPTriple(A->getValue(0)));
|
|
|
|
// Passing device args: -Xopenmp-target=<triple> -opt=val.
|
|
if (TT.getTriple() == getTripleString())
|
|
Index = Args.getBaseArgs().MakeIndex(A->getValue(1));
|
|
else
|
|
continue;
|
|
} else if (XOpenMPTargetNoTriple) {
|
|
// Passing device args: -Xopenmp-target -opt=val.
|
|
Index = Args.getBaseArgs().MakeIndex(A->getValue(0));
|
|
} else {
|
|
DAL->append(A);
|
|
continue;
|
|
}
|
|
|
|
// Parse the argument to -Xopenmp-target.
|
|
Prev = Index;
|
|
std::unique_ptr<Arg> XOpenMPTargetArg(Opts.ParseOneArg(Args, Index));
|
|
if (!XOpenMPTargetArg || Index > Prev + 1) {
|
|
if (!A->isClaimed()) {
|
|
getDriver().Diag(diag::err_drv_invalid_Xopenmp_target_with_args)
|
|
<< A->getAsString(Args);
|
|
}
|
|
continue;
|
|
}
|
|
if (XOpenMPTargetNoTriple && XOpenMPTargetArg &&
|
|
Args.getAllArgValues(options::OPT_offload_targets_EQ).size() != 1) {
|
|
getDriver().Diag(diag::err_drv_Xopenmp_target_missing_triple);
|
|
continue;
|
|
}
|
|
XOpenMPTargetArg->setBaseArg(A);
|
|
A = XOpenMPTargetArg.release();
|
|
AllocatedArgs.push_back(A);
|
|
DAL->append(A);
|
|
Modified = true;
|
|
}
|
|
|
|
if (Modified)
|
|
return DAL;
|
|
|
|
delete DAL;
|
|
return nullptr;
|
|
}
|
|
|
|
// TODO: Currently argument values separated by space e.g.
|
|
// -Xclang -mframe-pointer=no cannot be passed by -Xarch_. This should be
|
|
// fixed.
|
|
void ToolChain::TranslateXarchArgs(
|
|
const llvm::opt::DerivedArgList &Args, llvm::opt::Arg *&A,
|
|
llvm::opt::DerivedArgList *DAL,
|
|
SmallVectorImpl<llvm::opt::Arg *> *AllocatedArgs) const {
|
|
const OptTable &Opts = getDriver().getOpts();
|
|
unsigned ValuePos = 1;
|
|
if (A->getOption().matches(options::OPT_Xarch_device) ||
|
|
A->getOption().matches(options::OPT_Xarch_host))
|
|
ValuePos = 0;
|
|
|
|
const InputArgList &BaseArgs = Args.getBaseArgs();
|
|
unsigned Index = BaseArgs.MakeIndex(A->getValue(ValuePos));
|
|
unsigned Prev = Index;
|
|
std::unique_ptr<llvm::opt::Arg> XarchArg(Opts.ParseOneArg(
|
|
Args, Index, llvm::opt::Visibility(clang::driver::options::ClangOption)));
|
|
|
|
// If the argument parsing failed or more than one argument was
|
|
// consumed, the -Xarch_ argument's parameter tried to consume
|
|
// extra arguments. Emit an error and ignore.
|
|
//
|
|
// We also want to disallow any options which would alter the
|
|
// driver behavior; that isn't going to work in our model. We
|
|
// use options::NoXarchOption to control this.
|
|
if (!XarchArg || Index > Prev + 1) {
|
|
getDriver().Diag(diag::err_drv_invalid_Xarch_argument_with_args)
|
|
<< A->getAsString(Args);
|
|
return;
|
|
} else if (XarchArg->getOption().hasFlag(options::NoXarchOption)) {
|
|
auto &Diags = getDriver().getDiags();
|
|
unsigned DiagID =
|
|
Diags.getCustomDiagID(DiagnosticsEngine::Error,
|
|
"invalid Xarch argument: '%0', not all driver "
|
|
"options can be forwared via Xarch argument");
|
|
Diags.Report(DiagID) << A->getAsString(Args);
|
|
return;
|
|
}
|
|
|
|
XarchArg->setBaseArg(A);
|
|
A = XarchArg.release();
|
|
|
|
// Linker input arguments require custom handling. The problem is that we
|
|
// have already constructed the phase actions, so we can not treat them as
|
|
// "input arguments".
|
|
if (A->getOption().hasFlag(options::LinkerInput)) {
|
|
// Convert the argument into individual Zlinker_input_args. Need to do this
|
|
// manually to avoid memory leaks with the allocated arguments.
|
|
for (const char *Value : A->getValues()) {
|
|
auto Opt = Opts.getOption(options::OPT_Zlinker_input);
|
|
unsigned Index = BaseArgs.MakeIndex(Opt.getName(), Value);
|
|
auto NewArg =
|
|
new Arg(Opt, BaseArgs.MakeArgString(Opt.getPrefix() + Opt.getName()),
|
|
Index, BaseArgs.getArgString(Index + 1), A);
|
|
|
|
DAL->append(NewArg);
|
|
if (!AllocatedArgs)
|
|
DAL->AddSynthesizedArg(NewArg);
|
|
else
|
|
AllocatedArgs->push_back(NewArg);
|
|
}
|
|
}
|
|
|
|
if (!AllocatedArgs)
|
|
DAL->AddSynthesizedArg(A);
|
|
else
|
|
AllocatedArgs->push_back(A);
|
|
}
|
|
|
|
llvm::opt::DerivedArgList *ToolChain::TranslateXarchArgs(
|
|
const llvm::opt::DerivedArgList &Args, StringRef BoundArch,
|
|
Action::OffloadKind OFK,
|
|
SmallVectorImpl<llvm::opt::Arg *> *AllocatedArgs) const {
|
|
DerivedArgList *DAL = new DerivedArgList(Args.getBaseArgs());
|
|
bool Modified = false;
|
|
|
|
bool IsDevice = OFK != Action::OFK_None && OFK != Action::OFK_Host;
|
|
for (Arg *A : Args) {
|
|
bool NeedTrans = false;
|
|
bool Skip = false;
|
|
if (A->getOption().matches(options::OPT_Xarch_device)) {
|
|
NeedTrans = IsDevice;
|
|
Skip = !IsDevice;
|
|
} else if (A->getOption().matches(options::OPT_Xarch_host)) {
|
|
NeedTrans = !IsDevice;
|
|
Skip = IsDevice;
|
|
} else if (A->getOption().matches(options::OPT_Xarch__)) {
|
|
NeedTrans = A->getValue() == getArchName() ||
|
|
(!BoundArch.empty() && A->getValue() == BoundArch);
|
|
Skip = !NeedTrans;
|
|
}
|
|
if (NeedTrans || Skip)
|
|
Modified = true;
|
|
if (NeedTrans) {
|
|
A->claim();
|
|
TranslateXarchArgs(Args, A, DAL, AllocatedArgs);
|
|
}
|
|
if (!Skip)
|
|
DAL->append(A);
|
|
}
|
|
|
|
if (Modified)
|
|
return DAL;
|
|
|
|
delete DAL;
|
|
return nullptr;
|
|
}
|