forked from OSchip/llvm-project
1976 lines
75 KiB
C++
1976 lines
75 KiB
C++
//===--- Darwin.cpp - Darwin Tool and ToolChain Implementations -*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "Darwin.h"
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#include "Arch/ARM.h"
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#include "CommonArgs.h"
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#include "clang/Basic/ObjCRuntime.h"
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#include "clang/Basic/VirtualFileSystem.h"
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#include "clang/Driver/Compilation.h"
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#include "clang/Driver/Driver.h"
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#include "clang/Driver/DriverDiagnostic.h"
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#include "clang/Driver/Options.h"
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#include "clang/Driver/SanitizerArgs.h"
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#include "llvm/ADT/StringSwitch.h"
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#include "llvm/Option/ArgList.h"
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#include "llvm/Support/Path.h"
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#include "llvm/Support/ScopedPrinter.h"
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#include "llvm/Support/TargetParser.h"
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#include <cstdlib> // ::getenv
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using namespace clang::driver;
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using namespace clang::driver::tools;
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using namespace clang::driver::toolchains;
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using namespace clang;
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using namespace llvm::opt;
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llvm::Triple::ArchType darwin::getArchTypeForMachOArchName(StringRef Str) {
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// See arch(3) and llvm-gcc's driver-driver.c. We don't implement support for
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// archs which Darwin doesn't use.
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// The matching this routine does is fairly pointless, since it is neither the
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// complete architecture list, nor a reasonable subset. The problem is that
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// historically the driver driver accepts this and also ties its -march=
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// handling to the architecture name, so we need to be careful before removing
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// support for it.
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// This code must be kept in sync with Clang's Darwin specific argument
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// translation.
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return llvm::StringSwitch<llvm::Triple::ArchType>(Str)
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.Cases("ppc", "ppc601", "ppc603", "ppc604", "ppc604e", llvm::Triple::ppc)
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.Cases("ppc750", "ppc7400", "ppc7450", "ppc970", llvm::Triple::ppc)
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.Case("ppc64", llvm::Triple::ppc64)
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.Cases("i386", "i486", "i486SX", "i586", "i686", llvm::Triple::x86)
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.Cases("pentium", "pentpro", "pentIIm3", "pentIIm5", "pentium4",
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llvm::Triple::x86)
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.Cases("x86_64", "x86_64h", llvm::Triple::x86_64)
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// This is derived from the driver driver.
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.Cases("arm", "armv4t", "armv5", "armv6", "armv6m", llvm::Triple::arm)
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.Cases("armv7", "armv7em", "armv7k", "armv7m", llvm::Triple::arm)
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.Cases("armv7s", "xscale", llvm::Triple::arm)
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.Case("arm64", llvm::Triple::aarch64)
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.Case("r600", llvm::Triple::r600)
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.Case("amdgcn", llvm::Triple::amdgcn)
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.Case("nvptx", llvm::Triple::nvptx)
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.Case("nvptx64", llvm::Triple::nvptx64)
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.Case("amdil", llvm::Triple::amdil)
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.Case("spir", llvm::Triple::spir)
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.Default(llvm::Triple::UnknownArch);
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}
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void darwin::setTripleTypeForMachOArchName(llvm::Triple &T, StringRef Str) {
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const llvm::Triple::ArchType Arch = getArchTypeForMachOArchName(Str);
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unsigned ArchKind = llvm::ARM::parseArch(Str);
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T.setArch(Arch);
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if (Str == "x86_64h")
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T.setArchName(Str);
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else if (ArchKind == llvm::ARM::AK_ARMV6M ||
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ArchKind == llvm::ARM::AK_ARMV7M ||
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ArchKind == llvm::ARM::AK_ARMV7EM) {
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T.setOS(llvm::Triple::UnknownOS);
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T.setObjectFormat(llvm::Triple::MachO);
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}
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}
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void darwin::Assembler::ConstructJob(Compilation &C, const JobAction &JA,
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const InputInfo &Output,
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const InputInfoList &Inputs,
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const ArgList &Args,
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const char *LinkingOutput) const {
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ArgStringList CmdArgs;
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assert(Inputs.size() == 1 && "Unexpected number of inputs.");
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const InputInfo &Input = Inputs[0];
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// Determine the original source input.
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const Action *SourceAction = &JA;
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while (SourceAction->getKind() != Action::InputClass) {
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assert(!SourceAction->getInputs().empty() && "unexpected root action!");
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SourceAction = SourceAction->getInputs()[0];
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}
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// If -fno-integrated-as is used add -Q to the darwin assember driver to make
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// sure it runs its system assembler not clang's integrated assembler.
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// Applicable to darwin11+ and Xcode 4+. darwin<10 lacked integrated-as.
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// FIXME: at run-time detect assembler capabilities or rely on version
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// information forwarded by -target-assembler-version.
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if (Args.hasArg(options::OPT_fno_integrated_as)) {
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const llvm::Triple &T(getToolChain().getTriple());
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if (!(T.isMacOSX() && T.isMacOSXVersionLT(10, 7)))
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CmdArgs.push_back("-Q");
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}
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// Forward -g, assuming we are dealing with an actual assembly file.
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if (SourceAction->getType() == types::TY_Asm ||
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SourceAction->getType() == types::TY_PP_Asm) {
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if (Args.hasArg(options::OPT_gstabs))
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CmdArgs.push_back("--gstabs");
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else if (Args.hasArg(options::OPT_g_Group))
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CmdArgs.push_back("-g");
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}
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// Derived from asm spec.
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AddMachOArch(Args, CmdArgs);
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// Use -force_cpusubtype_ALL on x86 by default.
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if (getToolChain().getArch() == llvm::Triple::x86 ||
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getToolChain().getArch() == llvm::Triple::x86_64 ||
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Args.hasArg(options::OPT_force__cpusubtype__ALL))
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CmdArgs.push_back("-force_cpusubtype_ALL");
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if (getToolChain().getArch() != llvm::Triple::x86_64 &&
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(((Args.hasArg(options::OPT_mkernel) ||
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Args.hasArg(options::OPT_fapple_kext)) &&
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getMachOToolChain().isKernelStatic()) ||
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Args.hasArg(options::OPT_static)))
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CmdArgs.push_back("-static");
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Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, options::OPT_Xassembler);
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assert(Output.isFilename() && "Unexpected lipo output.");
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CmdArgs.push_back("-o");
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CmdArgs.push_back(Output.getFilename());
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assert(Input.isFilename() && "Invalid input.");
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CmdArgs.push_back(Input.getFilename());
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// asm_final spec is empty.
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const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath("as"));
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C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs, Inputs));
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}
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void darwin::MachOTool::anchor() {}
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void darwin::MachOTool::AddMachOArch(const ArgList &Args,
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ArgStringList &CmdArgs) const {
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StringRef ArchName = getMachOToolChain().getMachOArchName(Args);
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// Derived from darwin_arch spec.
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CmdArgs.push_back("-arch");
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CmdArgs.push_back(Args.MakeArgString(ArchName));
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// FIXME: Is this needed anymore?
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if (ArchName == "arm")
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CmdArgs.push_back("-force_cpusubtype_ALL");
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}
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bool darwin::Linker::NeedsTempPath(const InputInfoList &Inputs) const {
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// We only need to generate a temp path for LTO if we aren't compiling object
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// files. When compiling source files, we run 'dsymutil' after linking. We
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// don't run 'dsymutil' when compiling object files.
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for (const auto &Input : Inputs)
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if (Input.getType() != types::TY_Object)
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return true;
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return false;
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}
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/// \brief Pass -no_deduplicate to ld64 under certain conditions:
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///
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/// - Either -O0 or -O1 is explicitly specified
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/// - No -O option is specified *and* this is a compile+link (implicit -O0)
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///
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/// Also do *not* add -no_deduplicate when no -O option is specified and this
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/// is just a link (we can't imply -O0)
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static bool shouldLinkerNotDedup(bool IsLinkerOnlyAction, const ArgList &Args) {
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if (Arg *A = Args.getLastArg(options::OPT_O_Group)) {
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if (A->getOption().matches(options::OPT_O0))
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return true;
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if (A->getOption().matches(options::OPT_O))
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return llvm::StringSwitch<bool>(A->getValue())
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.Case("1", true)
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.Default(false);
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return false; // OPT_Ofast & OPT_O4
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}
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if (!IsLinkerOnlyAction) // Implicit -O0 for compile+linker only.
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return true;
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return false;
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}
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void darwin::Linker::AddLinkArgs(Compilation &C, const ArgList &Args,
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ArgStringList &CmdArgs,
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const InputInfoList &Inputs) const {
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const Driver &D = getToolChain().getDriver();
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const toolchains::MachO &MachOTC = getMachOToolChain();
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unsigned Version[5] = {0, 0, 0, 0, 0};
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if (Arg *A = Args.getLastArg(options::OPT_mlinker_version_EQ)) {
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if (!Driver::GetReleaseVersion(A->getValue(), Version))
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D.Diag(diag::err_drv_invalid_version_number) << A->getAsString(Args);
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}
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// Newer linkers support -demangle. Pass it if supported and not disabled by
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// the user.
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if (Version[0] >= 100 && !Args.hasArg(options::OPT_Z_Xlinker__no_demangle))
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CmdArgs.push_back("-demangle");
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if (Args.hasArg(options::OPT_rdynamic) && Version[0] >= 137)
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CmdArgs.push_back("-export_dynamic");
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// If we are using App Extension restrictions, pass a flag to the linker
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// telling it that the compiled code has been audited.
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if (Args.hasFlag(options::OPT_fapplication_extension,
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options::OPT_fno_application_extension, false))
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CmdArgs.push_back("-application_extension");
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if (D.isUsingLTO()) {
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// If we are using LTO, then automatically create a temporary file path for
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// the linker to use, so that it's lifetime will extend past a possible
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// dsymutil step.
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if (Version[0] >= 116 && NeedsTempPath(Inputs)) {
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const char *TmpPath = C.getArgs().MakeArgString(
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D.GetTemporaryPath("cc", types::getTypeTempSuffix(types::TY_Object)));
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C.addTempFile(TmpPath);
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CmdArgs.push_back("-object_path_lto");
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CmdArgs.push_back(TmpPath);
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}
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}
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// Use -lto_library option to specify the libLTO.dylib path. Try to find
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// it in clang installed libraries. ld64 will only look at this argument
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// when it actually uses LTO, so libLTO.dylib only needs to exist at link
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// time if ld64 decides that it needs to use LTO.
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// Since this is passed unconditionally, ld64 will never look for libLTO.dylib
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// next to it. That's ok since ld64 using a libLTO.dylib not matching the
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// clang version won't work anyways.
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if (Version[0] >= 133) {
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// Search for libLTO in <InstalledDir>/../lib/libLTO.dylib
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StringRef P = llvm::sys::path::parent_path(D.Dir);
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SmallString<128> LibLTOPath(P);
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llvm::sys::path::append(LibLTOPath, "lib");
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llvm::sys::path::append(LibLTOPath, "libLTO.dylib");
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CmdArgs.push_back("-lto_library");
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CmdArgs.push_back(C.getArgs().MakeArgString(LibLTOPath));
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}
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// ld64 version 262 and above run the deduplicate pass by default.
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if (Version[0] >= 262 && shouldLinkerNotDedup(C.getJobs().empty(), Args))
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CmdArgs.push_back("-no_deduplicate");
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// Derived from the "link" spec.
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Args.AddAllArgs(CmdArgs, options::OPT_static);
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if (!Args.hasArg(options::OPT_static))
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CmdArgs.push_back("-dynamic");
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if (Args.hasArg(options::OPT_fgnu_runtime)) {
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// FIXME: gcc replaces -lobjc in forward args with -lobjc-gnu
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// here. How do we wish to handle such things?
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}
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if (!Args.hasArg(options::OPT_dynamiclib)) {
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AddMachOArch(Args, CmdArgs);
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// FIXME: Why do this only on this path?
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Args.AddLastArg(CmdArgs, options::OPT_force__cpusubtype__ALL);
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Args.AddLastArg(CmdArgs, options::OPT_bundle);
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Args.AddAllArgs(CmdArgs, options::OPT_bundle__loader);
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Args.AddAllArgs(CmdArgs, options::OPT_client__name);
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Arg *A;
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if ((A = Args.getLastArg(options::OPT_compatibility__version)) ||
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(A = Args.getLastArg(options::OPT_current__version)) ||
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(A = Args.getLastArg(options::OPT_install__name)))
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D.Diag(diag::err_drv_argument_only_allowed_with) << A->getAsString(Args)
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<< "-dynamiclib";
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Args.AddLastArg(CmdArgs, options::OPT_force__flat__namespace);
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Args.AddLastArg(CmdArgs, options::OPT_keep__private__externs);
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Args.AddLastArg(CmdArgs, options::OPT_private__bundle);
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} else {
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CmdArgs.push_back("-dylib");
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Arg *A;
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if ((A = Args.getLastArg(options::OPT_bundle)) ||
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(A = Args.getLastArg(options::OPT_bundle__loader)) ||
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(A = Args.getLastArg(options::OPT_client__name)) ||
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(A = Args.getLastArg(options::OPT_force__flat__namespace)) ||
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(A = Args.getLastArg(options::OPT_keep__private__externs)) ||
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(A = Args.getLastArg(options::OPT_private__bundle)))
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D.Diag(diag::err_drv_argument_not_allowed_with) << A->getAsString(Args)
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<< "-dynamiclib";
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Args.AddAllArgsTranslated(CmdArgs, options::OPT_compatibility__version,
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"-dylib_compatibility_version");
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Args.AddAllArgsTranslated(CmdArgs, options::OPT_current__version,
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"-dylib_current_version");
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AddMachOArch(Args, CmdArgs);
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Args.AddAllArgsTranslated(CmdArgs, options::OPT_install__name,
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"-dylib_install_name");
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}
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Args.AddLastArg(CmdArgs, options::OPT_all__load);
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Args.AddAllArgs(CmdArgs, options::OPT_allowable__client);
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Args.AddLastArg(CmdArgs, options::OPT_bind__at__load);
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if (MachOTC.isTargetIOSBased())
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Args.AddLastArg(CmdArgs, options::OPT_arch__errors__fatal);
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Args.AddLastArg(CmdArgs, options::OPT_dead__strip);
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Args.AddLastArg(CmdArgs, options::OPT_no__dead__strip__inits__and__terms);
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Args.AddAllArgs(CmdArgs, options::OPT_dylib__file);
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Args.AddLastArg(CmdArgs, options::OPT_dynamic);
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Args.AddAllArgs(CmdArgs, options::OPT_exported__symbols__list);
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Args.AddLastArg(CmdArgs, options::OPT_flat__namespace);
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Args.AddAllArgs(CmdArgs, options::OPT_force__load);
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Args.AddAllArgs(CmdArgs, options::OPT_headerpad__max__install__names);
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Args.AddAllArgs(CmdArgs, options::OPT_image__base);
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Args.AddAllArgs(CmdArgs, options::OPT_init);
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// Add the deployment target.
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MachOTC.addMinVersionArgs(Args, CmdArgs);
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Args.AddLastArg(CmdArgs, options::OPT_nomultidefs);
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Args.AddLastArg(CmdArgs, options::OPT_multi__module);
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Args.AddLastArg(CmdArgs, options::OPT_single__module);
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Args.AddAllArgs(CmdArgs, options::OPT_multiply__defined);
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Args.AddAllArgs(CmdArgs, options::OPT_multiply__defined__unused);
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if (const Arg *A =
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Args.getLastArg(options::OPT_fpie, options::OPT_fPIE,
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options::OPT_fno_pie, options::OPT_fno_PIE)) {
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if (A->getOption().matches(options::OPT_fpie) ||
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A->getOption().matches(options::OPT_fPIE))
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CmdArgs.push_back("-pie");
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else
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CmdArgs.push_back("-no_pie");
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}
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// for embed-bitcode, use -bitcode_bundle in linker command
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if (C.getDriver().embedBitcodeEnabled()) {
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// Check if the toolchain supports bitcode build flow.
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if (MachOTC.SupportsEmbeddedBitcode()) {
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CmdArgs.push_back("-bitcode_bundle");
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if (C.getDriver().embedBitcodeMarkerOnly() && Version[0] >= 278) {
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CmdArgs.push_back("-bitcode_process_mode");
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CmdArgs.push_back("marker");
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}
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} else
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D.Diag(diag::err_drv_bitcode_unsupported_on_toolchain);
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}
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Args.AddLastArg(CmdArgs, options::OPT_prebind);
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Args.AddLastArg(CmdArgs, options::OPT_noprebind);
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Args.AddLastArg(CmdArgs, options::OPT_nofixprebinding);
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Args.AddLastArg(CmdArgs, options::OPT_prebind__all__twolevel__modules);
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Args.AddLastArg(CmdArgs, options::OPT_read__only__relocs);
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Args.AddAllArgs(CmdArgs, options::OPT_sectcreate);
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Args.AddAllArgs(CmdArgs, options::OPT_sectorder);
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Args.AddAllArgs(CmdArgs, options::OPT_seg1addr);
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Args.AddAllArgs(CmdArgs, options::OPT_segprot);
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Args.AddAllArgs(CmdArgs, options::OPT_segaddr);
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Args.AddAllArgs(CmdArgs, options::OPT_segs__read__only__addr);
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Args.AddAllArgs(CmdArgs, options::OPT_segs__read__write__addr);
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Args.AddAllArgs(CmdArgs, options::OPT_seg__addr__table);
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Args.AddAllArgs(CmdArgs, options::OPT_seg__addr__table__filename);
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Args.AddAllArgs(CmdArgs, options::OPT_sub__library);
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Args.AddAllArgs(CmdArgs, options::OPT_sub__umbrella);
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// Give --sysroot= preference, over the Apple specific behavior to also use
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// --isysroot as the syslibroot.
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StringRef sysroot = C.getSysRoot();
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if (sysroot != "") {
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CmdArgs.push_back("-syslibroot");
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CmdArgs.push_back(C.getArgs().MakeArgString(sysroot));
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} else if (const Arg *A = Args.getLastArg(options::OPT_isysroot)) {
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CmdArgs.push_back("-syslibroot");
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CmdArgs.push_back(A->getValue());
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}
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Args.AddLastArg(CmdArgs, options::OPT_twolevel__namespace);
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Args.AddLastArg(CmdArgs, options::OPT_twolevel__namespace__hints);
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Args.AddAllArgs(CmdArgs, options::OPT_umbrella);
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Args.AddAllArgs(CmdArgs, options::OPT_undefined);
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Args.AddAllArgs(CmdArgs, options::OPT_unexported__symbols__list);
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Args.AddAllArgs(CmdArgs, options::OPT_weak__reference__mismatches);
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Args.AddLastArg(CmdArgs, options::OPT_X_Flag);
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Args.AddAllArgs(CmdArgs, options::OPT_y);
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Args.AddLastArg(CmdArgs, options::OPT_w);
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Args.AddAllArgs(CmdArgs, options::OPT_pagezero__size);
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Args.AddAllArgs(CmdArgs, options::OPT_segs__read__);
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Args.AddLastArg(CmdArgs, options::OPT_seglinkedit);
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Args.AddLastArg(CmdArgs, options::OPT_noseglinkedit);
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Args.AddAllArgs(CmdArgs, options::OPT_sectalign);
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Args.AddAllArgs(CmdArgs, options::OPT_sectobjectsymbols);
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Args.AddAllArgs(CmdArgs, options::OPT_segcreate);
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Args.AddLastArg(CmdArgs, options::OPT_whyload);
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Args.AddLastArg(CmdArgs, options::OPT_whatsloaded);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_dylinker__install__name);
|
|
Args.AddLastArg(CmdArgs, options::OPT_dylinker);
|
|
Args.AddLastArg(CmdArgs, options::OPT_Mach);
|
|
}
|
|
|
|
/// \brief Determine whether we are linking the ObjC runtime.
|
|
static bool isObjCRuntimeLinked(const ArgList &Args) {
|
|
if (isObjCAutoRefCount(Args)) {
|
|
Args.ClaimAllArgs(options::OPT_fobjc_link_runtime);
|
|
return true;
|
|
}
|
|
return Args.hasArg(options::OPT_fobjc_link_runtime);
|
|
}
|
|
|
|
void darwin::Linker::ConstructJob(Compilation &C, const JobAction &JA,
|
|
const InputInfo &Output,
|
|
const InputInfoList &Inputs,
|
|
const ArgList &Args,
|
|
const char *LinkingOutput) const {
|
|
assert(Output.getType() == types::TY_Image && "Invalid linker output type.");
|
|
|
|
// If the number of arguments surpasses the system limits, we will encode the
|
|
// input files in a separate file, shortening the command line. To this end,
|
|
// build a list of input file names that can be passed via a file with the
|
|
// -filelist linker option.
|
|
llvm::opt::ArgStringList InputFileList;
|
|
|
|
// The logic here is derived from gcc's behavior; most of which
|
|
// comes from specs (starting with link_command). Consult gcc for
|
|
// more information.
|
|
ArgStringList CmdArgs;
|
|
|
|
/// Hack(tm) to ignore linking errors when we are doing ARC migration.
|
|
if (Args.hasArg(options::OPT_ccc_arcmt_check,
|
|
options::OPT_ccc_arcmt_migrate)) {
|
|
for (const auto &Arg : Args)
|
|
Arg->claim();
|
|
const char *Exec =
|
|
Args.MakeArgString(getToolChain().GetProgramPath("touch"));
|
|
CmdArgs.push_back(Output.getFilename());
|
|
C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs, None));
|
|
return;
|
|
}
|
|
|
|
// I'm not sure why this particular decomposition exists in gcc, but
|
|
// we follow suite for ease of comparison.
|
|
AddLinkArgs(C, Args, CmdArgs, Inputs);
|
|
|
|
// For LTO, pass the name of the optimization record file.
|
|
if (Args.hasFlag(options::OPT_fsave_optimization_record,
|
|
options::OPT_fno_save_optimization_record, false)) {
|
|
CmdArgs.push_back("-mllvm");
|
|
CmdArgs.push_back("-lto-pass-remarks-output");
|
|
CmdArgs.push_back("-mllvm");
|
|
|
|
SmallString<128> F;
|
|
F = Output.getFilename();
|
|
F += ".opt.yaml";
|
|
CmdArgs.push_back(Args.MakeArgString(F));
|
|
|
|
if (getLastProfileUseArg(Args)) {
|
|
CmdArgs.push_back("-mllvm");
|
|
CmdArgs.push_back("-lto-pass-remarks-with-hotness");
|
|
}
|
|
}
|
|
|
|
// It seems that the 'e' option is completely ignored for dynamic executables
|
|
// (the default), and with static executables, the last one wins, as expected.
|
|
Args.AddAllArgs(CmdArgs, {options::OPT_d_Flag, options::OPT_s, options::OPT_t,
|
|
options::OPT_Z_Flag, options::OPT_u_Group,
|
|
options::OPT_e, options::OPT_r});
|
|
|
|
// Forward -ObjC when either -ObjC or -ObjC++ is used, to force loading
|
|
// members of static archive libraries which implement Objective-C classes or
|
|
// categories.
|
|
if (Args.hasArg(options::OPT_ObjC) || Args.hasArg(options::OPT_ObjCXX))
|
|
CmdArgs.push_back("-ObjC");
|
|
|
|
CmdArgs.push_back("-o");
|
|
CmdArgs.push_back(Output.getFilename());
|
|
|
|
if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles))
|
|
getMachOToolChain().addStartObjectFileArgs(Args, CmdArgs);
|
|
|
|
// SafeStack requires its own runtime libraries
|
|
// These libraries should be linked first, to make sure the
|
|
// __safestack_init constructor executes before everything else
|
|
if (getToolChain().getSanitizerArgs().needsSafeStackRt()) {
|
|
getMachOToolChain().AddLinkRuntimeLib(Args, CmdArgs,
|
|
"libclang_rt.safestack_osx.a",
|
|
/*AlwaysLink=*/true);
|
|
}
|
|
|
|
Args.AddAllArgs(CmdArgs, options::OPT_L);
|
|
|
|
AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs, JA);
|
|
// Build the input file for -filelist (list of linker input files) in case we
|
|
// need it later
|
|
for (const auto &II : Inputs) {
|
|
if (!II.isFilename()) {
|
|
// This is a linker input argument.
|
|
// We cannot mix input arguments and file names in a -filelist input, thus
|
|
// we prematurely stop our list (remaining files shall be passed as
|
|
// arguments).
|
|
if (InputFileList.size() > 0)
|
|
break;
|
|
|
|
continue;
|
|
}
|
|
|
|
InputFileList.push_back(II.getFilename());
|
|
}
|
|
|
|
if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs))
|
|
addOpenMPRuntime(CmdArgs, getToolChain(), Args);
|
|
|
|
if (isObjCRuntimeLinked(Args) &&
|
|
!Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs)) {
|
|
// We use arclite library for both ARC and subscripting support.
|
|
getMachOToolChain().AddLinkARCArgs(Args, CmdArgs);
|
|
|
|
CmdArgs.push_back("-framework");
|
|
CmdArgs.push_back("Foundation");
|
|
// Link libobj.
|
|
CmdArgs.push_back("-lobjc");
|
|
}
|
|
|
|
if (LinkingOutput) {
|
|
CmdArgs.push_back("-arch_multiple");
|
|
CmdArgs.push_back("-final_output");
|
|
CmdArgs.push_back(LinkingOutput);
|
|
}
|
|
|
|
if (Args.hasArg(options::OPT_fnested_functions))
|
|
CmdArgs.push_back("-allow_stack_execute");
|
|
|
|
getMachOToolChain().addProfileRTLibs(Args, CmdArgs);
|
|
|
|
if (unsigned Parallelism =
|
|
getLTOParallelism(Args, getToolChain().getDriver())) {
|
|
CmdArgs.push_back("-mllvm");
|
|
CmdArgs.push_back(
|
|
Args.MakeArgString(Twine("-threads=") + llvm::to_string(Parallelism)));
|
|
}
|
|
|
|
if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs)) {
|
|
if (getToolChain().getDriver().CCCIsCXX())
|
|
getToolChain().AddCXXStdlibLibArgs(Args, CmdArgs);
|
|
|
|
// link_ssp spec is empty.
|
|
|
|
// Let the tool chain choose which runtime library to link.
|
|
getMachOToolChain().AddLinkRuntimeLibArgs(Args, CmdArgs);
|
|
|
|
// No need to do anything for pthreads. Claim argument to avoid warning.
|
|
Args.ClaimAllArgs(options::OPT_pthread);
|
|
Args.ClaimAllArgs(options::OPT_pthreads);
|
|
}
|
|
|
|
if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles)) {
|
|
// endfile_spec is empty.
|
|
}
|
|
|
|
Args.AddAllArgs(CmdArgs, options::OPT_T_Group);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_F);
|
|
|
|
// -iframework should be forwarded as -F.
|
|
for (const Arg *A : Args.filtered(options::OPT_iframework))
|
|
CmdArgs.push_back(Args.MakeArgString(std::string("-F") + A->getValue()));
|
|
|
|
if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs)) {
|
|
if (Arg *A = Args.getLastArg(options::OPT_fveclib)) {
|
|
if (A->getValue() == StringRef("Accelerate")) {
|
|
CmdArgs.push_back("-framework");
|
|
CmdArgs.push_back("Accelerate");
|
|
}
|
|
}
|
|
}
|
|
|
|
const char *Exec = Args.MakeArgString(getToolChain().GetLinkerPath());
|
|
std::unique_ptr<Command> Cmd =
|
|
llvm::make_unique<Command>(JA, *this, Exec, CmdArgs, Inputs);
|
|
Cmd->setInputFileList(std::move(InputFileList));
|
|
C.addCommand(std::move(Cmd));
|
|
}
|
|
|
|
void darwin::Lipo::ConstructJob(Compilation &C, const JobAction &JA,
|
|
const InputInfo &Output,
|
|
const InputInfoList &Inputs,
|
|
const ArgList &Args,
|
|
const char *LinkingOutput) const {
|
|
ArgStringList CmdArgs;
|
|
|
|
CmdArgs.push_back("-create");
|
|
assert(Output.isFilename() && "Unexpected lipo output.");
|
|
|
|
CmdArgs.push_back("-output");
|
|
CmdArgs.push_back(Output.getFilename());
|
|
|
|
for (const auto &II : Inputs) {
|
|
assert(II.isFilename() && "Unexpected lipo input.");
|
|
CmdArgs.push_back(II.getFilename());
|
|
}
|
|
|
|
const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath("lipo"));
|
|
C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs, Inputs));
|
|
}
|
|
|
|
void darwin::Dsymutil::ConstructJob(Compilation &C, const JobAction &JA,
|
|
const InputInfo &Output,
|
|
const InputInfoList &Inputs,
|
|
const ArgList &Args,
|
|
const char *LinkingOutput) const {
|
|
ArgStringList CmdArgs;
|
|
|
|
CmdArgs.push_back("-o");
|
|
CmdArgs.push_back(Output.getFilename());
|
|
|
|
assert(Inputs.size() == 1 && "Unable to handle multiple inputs.");
|
|
const InputInfo &Input = Inputs[0];
|
|
assert(Input.isFilename() && "Unexpected dsymutil input.");
|
|
CmdArgs.push_back(Input.getFilename());
|
|
|
|
const char *Exec =
|
|
Args.MakeArgString(getToolChain().GetProgramPath("dsymutil"));
|
|
C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs, Inputs));
|
|
}
|
|
|
|
void darwin::VerifyDebug::ConstructJob(Compilation &C, const JobAction &JA,
|
|
const InputInfo &Output,
|
|
const InputInfoList &Inputs,
|
|
const ArgList &Args,
|
|
const char *LinkingOutput) const {
|
|
ArgStringList CmdArgs;
|
|
CmdArgs.push_back("--verify");
|
|
CmdArgs.push_back("--debug-info");
|
|
CmdArgs.push_back("--eh-frame");
|
|
CmdArgs.push_back("--quiet");
|
|
|
|
assert(Inputs.size() == 1 && "Unable to handle multiple inputs.");
|
|
const InputInfo &Input = Inputs[0];
|
|
assert(Input.isFilename() && "Unexpected verify input");
|
|
|
|
// Grabbing the output of the earlier dsymutil run.
|
|
CmdArgs.push_back(Input.getFilename());
|
|
|
|
const char *Exec =
|
|
Args.MakeArgString(getToolChain().GetProgramPath("dwarfdump"));
|
|
C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs, Inputs));
|
|
}
|
|
|
|
MachO::MachO(const Driver &D, const llvm::Triple &Triple, const ArgList &Args)
|
|
: ToolChain(D, Triple, Args) {
|
|
// We expect 'as', 'ld', etc. to be adjacent to our install dir.
|
|
getProgramPaths().push_back(getDriver().getInstalledDir());
|
|
if (getDriver().getInstalledDir() != getDriver().Dir)
|
|
getProgramPaths().push_back(getDriver().Dir);
|
|
}
|
|
|
|
/// Darwin - Darwin tool chain for i386 and x86_64.
|
|
Darwin::Darwin(const Driver &D, const llvm::Triple &Triple, const ArgList &Args)
|
|
: MachO(D, Triple, Args), TargetInitialized(false),
|
|
CudaInstallation(D, Triple, Args) {}
|
|
|
|
types::ID MachO::LookupTypeForExtension(StringRef Ext) const {
|
|
types::ID Ty = types::lookupTypeForExtension(Ext);
|
|
|
|
// Darwin always preprocesses assembly files (unless -x is used explicitly).
|
|
if (Ty == types::TY_PP_Asm)
|
|
return types::TY_Asm;
|
|
|
|
return Ty;
|
|
}
|
|
|
|
bool MachO::HasNativeLLVMSupport() const { return true; }
|
|
|
|
ToolChain::CXXStdlibType Darwin::GetDefaultCXXStdlibType() const {
|
|
// Default to use libc++ on OS X 10.9+ and iOS 7+.
|
|
if ((isTargetMacOS() && !isMacosxVersionLT(10, 9)) ||
|
|
(isTargetIOSBased() && !isIPhoneOSVersionLT(7, 0)) ||
|
|
isTargetWatchOSBased())
|
|
return ToolChain::CST_Libcxx;
|
|
|
|
return ToolChain::CST_Libstdcxx;
|
|
}
|
|
|
|
/// Darwin provides an ARC runtime starting in MacOS X 10.7 and iOS 5.0.
|
|
ObjCRuntime Darwin::getDefaultObjCRuntime(bool isNonFragile) const {
|
|
if (isTargetWatchOSBased())
|
|
return ObjCRuntime(ObjCRuntime::WatchOS, TargetVersion);
|
|
if (isTargetIOSBased())
|
|
return ObjCRuntime(ObjCRuntime::iOS, TargetVersion);
|
|
if (isNonFragile)
|
|
return ObjCRuntime(ObjCRuntime::MacOSX, TargetVersion);
|
|
return ObjCRuntime(ObjCRuntime::FragileMacOSX, TargetVersion);
|
|
}
|
|
|
|
/// Darwin provides a blocks runtime starting in MacOS X 10.6 and iOS 3.2.
|
|
bool Darwin::hasBlocksRuntime() const {
|
|
if (isTargetWatchOSBased())
|
|
return true;
|
|
else if (isTargetIOSBased())
|
|
return !isIPhoneOSVersionLT(3, 2);
|
|
else {
|
|
assert(isTargetMacOS() && "unexpected darwin target");
|
|
return !isMacosxVersionLT(10, 6);
|
|
}
|
|
}
|
|
|
|
void Darwin::AddCudaIncludeArgs(const ArgList &DriverArgs,
|
|
ArgStringList &CC1Args) const {
|
|
CudaInstallation.AddCudaIncludeArgs(DriverArgs, CC1Args);
|
|
}
|
|
|
|
// This is just a MachO name translation routine and there's no
|
|
// way to join this into ARMTargetParser without breaking all
|
|
// other assumptions. Maybe MachO should consider standardising
|
|
// their nomenclature.
|
|
static const char *ArmMachOArchName(StringRef Arch) {
|
|
return llvm::StringSwitch<const char *>(Arch)
|
|
.Case("armv6k", "armv6")
|
|
.Case("armv6m", "armv6m")
|
|
.Case("armv5tej", "armv5")
|
|
.Case("xscale", "xscale")
|
|
.Case("armv4t", "armv4t")
|
|
.Case("armv7", "armv7")
|
|
.Cases("armv7a", "armv7-a", "armv7")
|
|
.Cases("armv7r", "armv7-r", "armv7")
|
|
.Cases("armv7em", "armv7e-m", "armv7em")
|
|
.Cases("armv7k", "armv7-k", "armv7k")
|
|
.Cases("armv7m", "armv7-m", "armv7m")
|
|
.Cases("armv7s", "armv7-s", "armv7s")
|
|
.Default(nullptr);
|
|
}
|
|
|
|
static const char *ArmMachOArchNameCPU(StringRef CPU) {
|
|
unsigned ArchKind = llvm::ARM::parseCPUArch(CPU);
|
|
if (ArchKind == llvm::ARM::AK_INVALID)
|
|
return nullptr;
|
|
StringRef Arch = llvm::ARM::getArchName(ArchKind);
|
|
|
|
// FIXME: Make sure this MachO triple mangling is really necessary.
|
|
// ARMv5* normalises to ARMv5.
|
|
if (Arch.startswith("armv5"))
|
|
Arch = Arch.substr(0, 5);
|
|
// ARMv6*, except ARMv6M, normalises to ARMv6.
|
|
else if (Arch.startswith("armv6") && !Arch.endswith("6m"))
|
|
Arch = Arch.substr(0, 5);
|
|
// ARMv7A normalises to ARMv7.
|
|
else if (Arch.endswith("v7a"))
|
|
Arch = Arch.substr(0, 5);
|
|
return Arch.data();
|
|
}
|
|
|
|
StringRef MachO::getMachOArchName(const ArgList &Args) const {
|
|
switch (getTriple().getArch()) {
|
|
default:
|
|
return getDefaultUniversalArchName();
|
|
|
|
case llvm::Triple::aarch64:
|
|
return "arm64";
|
|
|
|
case llvm::Triple::thumb:
|
|
case llvm::Triple::arm:
|
|
if (const Arg *A = Args.getLastArg(clang::driver::options::OPT_march_EQ))
|
|
if (const char *Arch = ArmMachOArchName(A->getValue()))
|
|
return Arch;
|
|
|
|
if (const Arg *A = Args.getLastArg(options::OPT_mcpu_EQ))
|
|
if (const char *Arch = ArmMachOArchNameCPU(A->getValue()))
|
|
return Arch;
|
|
|
|
return "arm";
|
|
}
|
|
}
|
|
|
|
Darwin::~Darwin() {}
|
|
|
|
MachO::~MachO() {}
|
|
|
|
std::string Darwin::ComputeEffectiveClangTriple(const ArgList &Args,
|
|
types::ID InputType) const {
|
|
llvm::Triple Triple(ComputeLLVMTriple(Args, InputType));
|
|
|
|
// If the target isn't initialized (e.g., an unknown Darwin platform, return
|
|
// the default triple).
|
|
if (!isTargetInitialized())
|
|
return Triple.getTriple();
|
|
|
|
SmallString<16> Str;
|
|
if (isTargetWatchOSBased())
|
|
Str += "watchos";
|
|
else if (isTargetTvOSBased())
|
|
Str += "tvos";
|
|
else if (isTargetIOSBased())
|
|
Str += "ios";
|
|
else
|
|
Str += "macosx";
|
|
Str += getTargetVersion().getAsString();
|
|
Triple.setOSName(Str);
|
|
|
|
return Triple.getTriple();
|
|
}
|
|
|
|
Tool *MachO::getTool(Action::ActionClass AC) const {
|
|
switch (AC) {
|
|
case Action::LipoJobClass:
|
|
if (!Lipo)
|
|
Lipo.reset(new tools::darwin::Lipo(*this));
|
|
return Lipo.get();
|
|
case Action::DsymutilJobClass:
|
|
if (!Dsymutil)
|
|
Dsymutil.reset(new tools::darwin::Dsymutil(*this));
|
|
return Dsymutil.get();
|
|
case Action::VerifyDebugInfoJobClass:
|
|
if (!VerifyDebug)
|
|
VerifyDebug.reset(new tools::darwin::VerifyDebug(*this));
|
|
return VerifyDebug.get();
|
|
default:
|
|
return ToolChain::getTool(AC);
|
|
}
|
|
}
|
|
|
|
Tool *MachO::buildLinker() const { return new tools::darwin::Linker(*this); }
|
|
|
|
Tool *MachO::buildAssembler() const {
|
|
return new tools::darwin::Assembler(*this);
|
|
}
|
|
|
|
DarwinClang::DarwinClang(const Driver &D, const llvm::Triple &Triple,
|
|
const ArgList &Args)
|
|
: Darwin(D, Triple, Args) {}
|
|
|
|
void DarwinClang::addClangWarningOptions(ArgStringList &CC1Args) const {
|
|
// For modern targets, promote certain warnings to errors.
|
|
if (isTargetWatchOSBased() || getTriple().isArch64Bit()) {
|
|
// Always enable -Wdeprecated-objc-isa-usage and promote it
|
|
// to an error.
|
|
CC1Args.push_back("-Wdeprecated-objc-isa-usage");
|
|
CC1Args.push_back("-Werror=deprecated-objc-isa-usage");
|
|
|
|
// For iOS and watchOS, also error about implicit function declarations,
|
|
// as that can impact calling conventions.
|
|
if (!isTargetMacOS())
|
|
CC1Args.push_back("-Werror=implicit-function-declaration");
|
|
}
|
|
}
|
|
|
|
void DarwinClang::AddLinkARCArgs(const ArgList &Args,
|
|
ArgStringList &CmdArgs) const {
|
|
// Avoid linking compatibility stubs on i386 mac.
|
|
if (isTargetMacOS() && getArch() == llvm::Triple::x86)
|
|
return;
|
|
|
|
ObjCRuntime runtime = getDefaultObjCRuntime(/*nonfragile*/ true);
|
|
|
|
if ((runtime.hasNativeARC() || !isObjCAutoRefCount(Args)) &&
|
|
runtime.hasSubscripting())
|
|
return;
|
|
|
|
CmdArgs.push_back("-force_load");
|
|
SmallString<128> P(getDriver().ClangExecutable);
|
|
llvm::sys::path::remove_filename(P); // 'clang'
|
|
llvm::sys::path::remove_filename(P); // 'bin'
|
|
llvm::sys::path::append(P, "lib", "arc", "libarclite_");
|
|
// Mash in the platform.
|
|
if (isTargetWatchOSSimulator())
|
|
P += "watchsimulator";
|
|
else if (isTargetWatchOS())
|
|
P += "watchos";
|
|
else if (isTargetTvOSSimulator())
|
|
P += "appletvsimulator";
|
|
else if (isTargetTvOS())
|
|
P += "appletvos";
|
|
else if (isTargetIOSSimulator())
|
|
P += "iphonesimulator";
|
|
else if (isTargetIPhoneOS())
|
|
P += "iphoneos";
|
|
else
|
|
P += "macosx";
|
|
P += ".a";
|
|
|
|
CmdArgs.push_back(Args.MakeArgString(P));
|
|
}
|
|
|
|
unsigned DarwinClang::GetDefaultDwarfVersion() const {
|
|
// Default to use DWARF 2 on OS X 10.10 / iOS 8 and lower.
|
|
if ((isTargetMacOS() && isMacosxVersionLT(10, 11)) ||
|
|
(isTargetIOSBased() && isIPhoneOSVersionLT(9)))
|
|
return 2;
|
|
return 4;
|
|
}
|
|
|
|
void MachO::AddLinkRuntimeLib(const ArgList &Args, ArgStringList &CmdArgs,
|
|
StringRef DarwinLibName, bool AlwaysLink,
|
|
bool IsEmbedded, bool AddRPath) const {
|
|
SmallString<128> Dir(getDriver().ResourceDir);
|
|
llvm::sys::path::append(Dir, "lib", IsEmbedded ? "macho_embedded" : "darwin");
|
|
|
|
SmallString<128> P(Dir);
|
|
llvm::sys::path::append(P, DarwinLibName);
|
|
|
|
// For now, allow missing resource libraries to support developers who may
|
|
// not have compiler-rt checked out or integrated into their build (unless
|
|
// we explicitly force linking with this library).
|
|
if (AlwaysLink || getVFS().exists(P))
|
|
CmdArgs.push_back(Args.MakeArgString(P));
|
|
|
|
// Adding the rpaths might negatively interact when other rpaths are involved,
|
|
// so we should make sure we add the rpaths last, after all user-specified
|
|
// rpaths. This is currently true from this place, but we need to be
|
|
// careful if this function is ever called before user's rpaths are emitted.
|
|
if (AddRPath) {
|
|
assert(DarwinLibName.endswith(".dylib") && "must be a dynamic library");
|
|
|
|
// Add @executable_path to rpath to support having the dylib copied with
|
|
// the executable.
|
|
CmdArgs.push_back("-rpath");
|
|
CmdArgs.push_back("@executable_path");
|
|
|
|
// Add the path to the resource dir to rpath to support using the dylib
|
|
// from the default location without copying.
|
|
CmdArgs.push_back("-rpath");
|
|
CmdArgs.push_back(Args.MakeArgString(Dir));
|
|
}
|
|
}
|
|
|
|
void MachO::AddFuzzerLinkArgs(const ArgList &Args, ArgStringList &CmdArgs) const {
|
|
|
|
// Go up one directory from Clang to find the libfuzzer archive file.
|
|
StringRef ParentDir = llvm::sys::path::parent_path(getDriver().InstalledDir);
|
|
SmallString<128> P(ParentDir);
|
|
llvm::sys::path::append(P, "lib", "libLLVMFuzzer.a");
|
|
CmdArgs.push_back(Args.MakeArgString(P));
|
|
|
|
// Libfuzzer is written in C++ and requires libcxx.
|
|
AddCXXStdlibLibArgs(Args, CmdArgs);
|
|
}
|
|
|
|
StringRef Darwin::getPlatformFamily() const {
|
|
switch (TargetPlatform) {
|
|
case DarwinPlatformKind::MacOS:
|
|
return "MacOSX";
|
|
case DarwinPlatformKind::IPhoneOS:
|
|
case DarwinPlatformKind::IPhoneOSSimulator:
|
|
return "iPhone";
|
|
case DarwinPlatformKind::TvOS:
|
|
case DarwinPlatformKind::TvOSSimulator:
|
|
return "AppleTV";
|
|
case DarwinPlatformKind::WatchOS:
|
|
case DarwinPlatformKind::WatchOSSimulator:
|
|
return "Watch";
|
|
}
|
|
llvm_unreachable("Unsupported platform");
|
|
}
|
|
|
|
StringRef Darwin::getSDKName(StringRef isysroot) {
|
|
// Assume SDK has path: SOME_PATH/SDKs/PlatformXX.YY.sdk
|
|
llvm::sys::path::const_iterator SDKDir;
|
|
auto BeginSDK = llvm::sys::path::begin(isysroot);
|
|
auto EndSDK = llvm::sys::path::end(isysroot);
|
|
for (auto IT = BeginSDK; IT != EndSDK; ++IT) {
|
|
StringRef SDK = *IT;
|
|
if (SDK.endswith(".sdk"))
|
|
return SDK.slice(0, SDK.size() - 4);
|
|
}
|
|
return "";
|
|
}
|
|
|
|
StringRef Darwin::getOSLibraryNameSuffix() const {
|
|
switch(TargetPlatform) {
|
|
case DarwinPlatformKind::MacOS:
|
|
return "osx";
|
|
case DarwinPlatformKind::IPhoneOS:
|
|
return "ios";
|
|
case DarwinPlatformKind::IPhoneOSSimulator:
|
|
return "iossim";
|
|
case DarwinPlatformKind::TvOS:
|
|
return "tvos";
|
|
case DarwinPlatformKind::TvOSSimulator:
|
|
return "tvossim";
|
|
case DarwinPlatformKind::WatchOS:
|
|
return "watchos";
|
|
case DarwinPlatformKind::WatchOSSimulator:
|
|
return "watchossim";
|
|
}
|
|
llvm_unreachable("Unsupported platform");
|
|
}
|
|
|
|
void Darwin::addProfileRTLibs(const ArgList &Args,
|
|
ArgStringList &CmdArgs) const {
|
|
if (!needsProfileRT(Args)) return;
|
|
|
|
AddLinkRuntimeLib(Args, CmdArgs, (Twine("libclang_rt.profile_") +
|
|
getOSLibraryNameSuffix() + ".a").str(),
|
|
/*AlwaysLink*/ true);
|
|
}
|
|
|
|
void DarwinClang::AddLinkSanitizerLibArgs(const ArgList &Args,
|
|
ArgStringList &CmdArgs,
|
|
StringRef Sanitizer) const {
|
|
AddLinkRuntimeLib(
|
|
Args, CmdArgs,
|
|
(Twine("libclang_rt.") + Sanitizer + "_" +
|
|
getOSLibraryNameSuffix() + "_dynamic.dylib").str(),
|
|
/*AlwaysLink*/ true, /*IsEmbedded*/ false,
|
|
/*AddRPath*/ true);
|
|
}
|
|
|
|
ToolChain::RuntimeLibType DarwinClang::GetRuntimeLibType(
|
|
const ArgList &Args) const {
|
|
if (Arg* A = Args.getLastArg(options::OPT_rtlib_EQ)) {
|
|
StringRef Value = A->getValue();
|
|
if (Value != "compiler-rt")
|
|
getDriver().Diag(clang::diag::err_drv_unsupported_rtlib_for_platform)
|
|
<< Value << "darwin";
|
|
}
|
|
|
|
return ToolChain::RLT_CompilerRT;
|
|
}
|
|
|
|
void DarwinClang::AddLinkRuntimeLibArgs(const ArgList &Args,
|
|
ArgStringList &CmdArgs) const {
|
|
// Call once to ensure diagnostic is printed if wrong value was specified
|
|
GetRuntimeLibType(Args);
|
|
|
|
// Darwin doesn't support real static executables, don't link any runtime
|
|
// libraries with -static.
|
|
if (Args.hasArg(options::OPT_static) ||
|
|
Args.hasArg(options::OPT_fapple_kext) ||
|
|
Args.hasArg(options::OPT_mkernel))
|
|
return;
|
|
|
|
// Reject -static-libgcc for now, we can deal with this when and if someone
|
|
// cares. This is useful in situations where someone wants to statically link
|
|
// something like libstdc++, and needs its runtime support routines.
|
|
if (const Arg *A = Args.getLastArg(options::OPT_static_libgcc)) {
|
|
getDriver().Diag(diag::err_drv_unsupported_opt) << A->getAsString(Args);
|
|
return;
|
|
}
|
|
|
|
const SanitizerArgs &Sanitize = getSanitizerArgs();
|
|
if (Sanitize.needsAsanRt())
|
|
AddLinkSanitizerLibArgs(Args, CmdArgs, "asan");
|
|
if (Sanitize.needsLsanRt())
|
|
AddLinkSanitizerLibArgs(Args, CmdArgs, "lsan");
|
|
if (Sanitize.needsUbsanRt())
|
|
AddLinkSanitizerLibArgs(Args, CmdArgs, "ubsan");
|
|
if (Sanitize.needsTsanRt())
|
|
AddLinkSanitizerLibArgs(Args, CmdArgs, "tsan");
|
|
if (Sanitize.needsFuzzer() && !Args.hasArg(options::OPT_dynamiclib))
|
|
AddFuzzerLinkArgs(Args, CmdArgs);
|
|
if (Sanitize.needsStatsRt()) {
|
|
StringRef OS = isTargetMacOS() ? "osx" : "iossim";
|
|
AddLinkRuntimeLib(Args, CmdArgs,
|
|
(Twine("libclang_rt.stats_client_") + OS + ".a").str(),
|
|
/*AlwaysLink=*/true);
|
|
AddLinkSanitizerLibArgs(Args, CmdArgs, "stats");
|
|
}
|
|
if (Sanitize.needsEsanRt())
|
|
AddLinkSanitizerLibArgs(Args, CmdArgs, "esan");
|
|
|
|
// Otherwise link libSystem, then the dynamic runtime library, and finally any
|
|
// target specific static runtime library.
|
|
CmdArgs.push_back("-lSystem");
|
|
|
|
// Select the dynamic runtime library and the target specific static library.
|
|
if (isTargetWatchOSBased()) {
|
|
// We currently always need a static runtime library for watchOS.
|
|
AddLinkRuntimeLib(Args, CmdArgs, "libclang_rt.watchos.a");
|
|
} else if (isTargetTvOSBased()) {
|
|
// We currently always need a static runtime library for tvOS.
|
|
AddLinkRuntimeLib(Args, CmdArgs, "libclang_rt.tvos.a");
|
|
} else if (isTargetIOSBased()) {
|
|
// If we are compiling as iOS / simulator, don't attempt to link libgcc_s.1,
|
|
// it never went into the SDK.
|
|
// Linking against libgcc_s.1 isn't needed for iOS 5.0+
|
|
if (isIPhoneOSVersionLT(5, 0) && !isTargetIOSSimulator() &&
|
|
getTriple().getArch() != llvm::Triple::aarch64)
|
|
CmdArgs.push_back("-lgcc_s.1");
|
|
|
|
// We currently always need a static runtime library for iOS.
|
|
AddLinkRuntimeLib(Args, CmdArgs, "libclang_rt.ios.a");
|
|
} else {
|
|
assert(isTargetMacOS() && "unexpected non MacOS platform");
|
|
// The dynamic runtime library was merged with libSystem for 10.6 and
|
|
// beyond; only 10.4 and 10.5 need an additional runtime library.
|
|
if (isMacosxVersionLT(10, 5))
|
|
CmdArgs.push_back("-lgcc_s.10.4");
|
|
else if (isMacosxVersionLT(10, 6))
|
|
CmdArgs.push_back("-lgcc_s.10.5");
|
|
|
|
// Originally for OS X, we thought we would only need a static runtime
|
|
// library when targeting 10.4, to provide versions of the static functions
|
|
// which were omitted from 10.4.dylib. This led to the creation of the 10.4
|
|
// builtins library.
|
|
//
|
|
// Unfortunately, that turned out to not be true, because Darwin system
|
|
// headers can still use eprintf on i386, and it is not exported from
|
|
// libSystem. Therefore, we still must provide a runtime library just for
|
|
// the tiny tiny handful of projects that *might* use that symbol.
|
|
//
|
|
// Then over time, we figured out it was useful to add more things to the
|
|
// runtime so we created libclang_rt.osx.a to provide new functions when
|
|
// deploying to old OS builds, and for a long time we had both eprintf and
|
|
// osx builtin libraries. Which just seems excessive. So with PR 28855, we
|
|
// are removing the eprintf library and expecting eprintf to be provided by
|
|
// the OS X builtins library.
|
|
if (isMacosxVersionLT(10, 5))
|
|
AddLinkRuntimeLib(Args, CmdArgs, "libclang_rt.10.4.a");
|
|
else
|
|
AddLinkRuntimeLib(Args, CmdArgs, "libclang_rt.osx.a");
|
|
}
|
|
}
|
|
|
|
void Darwin::AddDeploymentTarget(DerivedArgList &Args) const {
|
|
const OptTable &Opts = getDriver().getOpts();
|
|
|
|
// Support allowing the SDKROOT environment variable used by xcrun and other
|
|
// Xcode tools to define the default sysroot, by making it the default for
|
|
// isysroot.
|
|
if (const Arg *A = Args.getLastArg(options::OPT_isysroot)) {
|
|
// Warn if the path does not exist.
|
|
if (!getVFS().exists(A->getValue()))
|
|
getDriver().Diag(clang::diag::warn_missing_sysroot) << A->getValue();
|
|
} else {
|
|
if (char *env = ::getenv("SDKROOT")) {
|
|
// We only use this value as the default if it is an absolute path,
|
|
// exists, and it is not the root path.
|
|
if (llvm::sys::path::is_absolute(env) && getVFS().exists(env) &&
|
|
StringRef(env) != "/") {
|
|
Args.append(Args.MakeSeparateArg(
|
|
nullptr, Opts.getOption(options::OPT_isysroot), env));
|
|
}
|
|
}
|
|
}
|
|
|
|
Arg *OSXVersion = Args.getLastArg(options::OPT_mmacosx_version_min_EQ);
|
|
Arg *iOSVersion = Args.getLastArg(options::OPT_miphoneos_version_min_EQ,
|
|
options::OPT_mios_simulator_version_min_EQ);
|
|
Arg *TvOSVersion =
|
|
Args.getLastArg(options::OPT_mtvos_version_min_EQ,
|
|
options::OPT_mtvos_simulator_version_min_EQ);
|
|
Arg *WatchOSVersion =
|
|
Args.getLastArg(options::OPT_mwatchos_version_min_EQ,
|
|
options::OPT_mwatchos_simulator_version_min_EQ);
|
|
|
|
unsigned Major, Minor, Micro;
|
|
bool HadExtra;
|
|
|
|
// iOS 10 is the maximum deployment target for 32-bit targets.
|
|
if (iOSVersion && getTriple().isArch32Bit() &&
|
|
Driver::GetReleaseVersion(iOSVersion->getValue(), Major, Minor, Micro,
|
|
HadExtra) &&
|
|
Major > 10)
|
|
getDriver().Diag(diag::err_invalid_ios_deployment_target)
|
|
<< iOSVersion->getAsString(Args);
|
|
|
|
// Add a macro to differentiate between m(iphone|tv|watch)os-version-min=X.Y and
|
|
// -m(iphone|tv|watch)simulator-version-min=X.Y.
|
|
if (Args.hasArg(options::OPT_mios_simulator_version_min_EQ) ||
|
|
Args.hasArg(options::OPT_mtvos_simulator_version_min_EQ) ||
|
|
Args.hasArg(options::OPT_mwatchos_simulator_version_min_EQ))
|
|
Args.append(Args.MakeSeparateArg(nullptr, Opts.getOption(options::OPT_D),
|
|
" __APPLE_EMBEDDED_SIMULATOR__=1"));
|
|
|
|
if (OSXVersion && (iOSVersion || TvOSVersion || WatchOSVersion)) {
|
|
getDriver().Diag(diag::err_drv_argument_not_allowed_with)
|
|
<< OSXVersion->getAsString(Args)
|
|
<< (iOSVersion ? iOSVersion :
|
|
TvOSVersion ? TvOSVersion : WatchOSVersion)->getAsString(Args);
|
|
iOSVersion = TvOSVersion = WatchOSVersion = nullptr;
|
|
} else if (iOSVersion && (TvOSVersion || WatchOSVersion)) {
|
|
getDriver().Diag(diag::err_drv_argument_not_allowed_with)
|
|
<< iOSVersion->getAsString(Args)
|
|
<< (TvOSVersion ? TvOSVersion : WatchOSVersion)->getAsString(Args);
|
|
TvOSVersion = WatchOSVersion = nullptr;
|
|
} else if (TvOSVersion && WatchOSVersion) {
|
|
getDriver().Diag(diag::err_drv_argument_not_allowed_with)
|
|
<< TvOSVersion->getAsString(Args)
|
|
<< WatchOSVersion->getAsString(Args);
|
|
WatchOSVersion = nullptr;
|
|
} else if (!OSXVersion && !iOSVersion && !TvOSVersion && !WatchOSVersion) {
|
|
// If no deployment target was specified on the command line, check for
|
|
// environment defines.
|
|
std::string OSXTarget;
|
|
std::string iOSTarget;
|
|
std::string TvOSTarget;
|
|
std::string WatchOSTarget;
|
|
|
|
if (char *env = ::getenv("MACOSX_DEPLOYMENT_TARGET"))
|
|
OSXTarget = env;
|
|
if (char *env = ::getenv("IPHONEOS_DEPLOYMENT_TARGET"))
|
|
iOSTarget = env;
|
|
if (char *env = ::getenv("TVOS_DEPLOYMENT_TARGET"))
|
|
TvOSTarget = env;
|
|
if (char *env = ::getenv("WATCHOS_DEPLOYMENT_TARGET"))
|
|
WatchOSTarget = env;
|
|
|
|
// iOS 10 is the maximum deployment target for 32-bit targets.
|
|
if (!iOSTarget.empty() && getTriple().isArch32Bit() &&
|
|
Driver::GetReleaseVersion(iOSTarget.c_str(), Major, Minor, Micro,
|
|
HadExtra) &&
|
|
Major > 10)
|
|
getDriver().Diag(diag::err_invalid_ios_deployment_target)
|
|
<< std::string("IPHONEOS_DEPLOYMENT_TARGET=") + iOSTarget;
|
|
|
|
// If there is no command-line argument to specify the Target version and
|
|
// no environment variable defined, see if we can set the default based
|
|
// on -isysroot.
|
|
if (OSXTarget.empty() && iOSTarget.empty() && WatchOSTarget.empty() &&
|
|
TvOSTarget.empty() && Args.hasArg(options::OPT_isysroot)) {
|
|
if (const Arg *A = Args.getLastArg(options::OPT_isysroot)) {
|
|
StringRef isysroot = A->getValue();
|
|
StringRef SDK = getSDKName(isysroot);
|
|
if (SDK.size() > 0) {
|
|
// Slice the version number out.
|
|
// Version number is between the first and the last number.
|
|
size_t StartVer = SDK.find_first_of("0123456789");
|
|
size_t EndVer = SDK.find_last_of("0123456789");
|
|
if (StartVer != StringRef::npos && EndVer > StartVer) {
|
|
StringRef Version = SDK.slice(StartVer, EndVer + 1);
|
|
if (SDK.startswith("iPhoneOS") ||
|
|
SDK.startswith("iPhoneSimulator"))
|
|
iOSTarget = Version;
|
|
else if (SDK.startswith("MacOSX"))
|
|
OSXTarget = Version;
|
|
else if (SDK.startswith("WatchOS") ||
|
|
SDK.startswith("WatchSimulator"))
|
|
WatchOSTarget = Version;
|
|
else if (SDK.startswith("AppleTVOS") ||
|
|
SDK.startswith("AppleTVSimulator"))
|
|
TvOSTarget = Version;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// If no OSX or iOS target has been specified, try to guess platform
|
|
// from arch name and compute the version from the triple.
|
|
if (OSXTarget.empty() && iOSTarget.empty() && TvOSTarget.empty() &&
|
|
WatchOSTarget.empty()) {
|
|
StringRef MachOArchName = getMachOArchName(Args);
|
|
unsigned Major, Minor, Micro;
|
|
if (MachOArchName == "armv7" || MachOArchName == "armv7s" ||
|
|
MachOArchName == "arm64") {
|
|
getTriple().getiOSVersion(Major, Minor, Micro);
|
|
llvm::raw_string_ostream(iOSTarget) << Major << '.' << Minor << '.'
|
|
<< Micro;
|
|
} else if (MachOArchName == "armv7k") {
|
|
getTriple().getWatchOSVersion(Major, Minor, Micro);
|
|
llvm::raw_string_ostream(WatchOSTarget) << Major << '.' << Minor << '.'
|
|
<< Micro;
|
|
} else if (MachOArchName != "armv6m" && MachOArchName != "armv7m" &&
|
|
MachOArchName != "armv7em") {
|
|
if (!getTriple().getMacOSXVersion(Major, Minor, Micro)) {
|
|
getDriver().Diag(diag::err_drv_invalid_darwin_version)
|
|
<< getTriple().getOSName();
|
|
}
|
|
llvm::raw_string_ostream(OSXTarget) << Major << '.' << Minor << '.'
|
|
<< Micro;
|
|
}
|
|
}
|
|
|
|
// Do not allow conflicts with the watchOS target.
|
|
if (!WatchOSTarget.empty() && (!iOSTarget.empty() || !TvOSTarget.empty())) {
|
|
getDriver().Diag(diag::err_drv_conflicting_deployment_targets)
|
|
<< "WATCHOS_DEPLOYMENT_TARGET"
|
|
<< (!iOSTarget.empty() ? "IPHONEOS_DEPLOYMENT_TARGET" :
|
|
"TVOS_DEPLOYMENT_TARGET");
|
|
}
|
|
|
|
// Do not allow conflicts with the tvOS target.
|
|
if (!TvOSTarget.empty() && !iOSTarget.empty()) {
|
|
getDriver().Diag(diag::err_drv_conflicting_deployment_targets)
|
|
<< "TVOS_DEPLOYMENT_TARGET"
|
|
<< "IPHONEOS_DEPLOYMENT_TARGET";
|
|
}
|
|
|
|
// Allow conflicts among OSX and iOS for historical reasons, but choose the
|
|
// default platform.
|
|
if (!OSXTarget.empty() && (!iOSTarget.empty() ||
|
|
!WatchOSTarget.empty() ||
|
|
!TvOSTarget.empty())) {
|
|
if (getTriple().getArch() == llvm::Triple::arm ||
|
|
getTriple().getArch() == llvm::Triple::aarch64 ||
|
|
getTriple().getArch() == llvm::Triple::thumb)
|
|
OSXTarget = "";
|
|
else
|
|
iOSTarget = WatchOSTarget = TvOSTarget = "";
|
|
}
|
|
|
|
if (!OSXTarget.empty()) {
|
|
const Option O = Opts.getOption(options::OPT_mmacosx_version_min_EQ);
|
|
OSXVersion = Args.MakeJoinedArg(nullptr, O, OSXTarget);
|
|
Args.append(OSXVersion);
|
|
} else if (!iOSTarget.empty()) {
|
|
const Option O = Opts.getOption(options::OPT_miphoneos_version_min_EQ);
|
|
iOSVersion = Args.MakeJoinedArg(nullptr, O, iOSTarget);
|
|
Args.append(iOSVersion);
|
|
} else if (!TvOSTarget.empty()) {
|
|
const Option O = Opts.getOption(options::OPT_mtvos_version_min_EQ);
|
|
TvOSVersion = Args.MakeJoinedArg(nullptr, O, TvOSTarget);
|
|
Args.append(TvOSVersion);
|
|
} else if (!WatchOSTarget.empty()) {
|
|
const Option O = Opts.getOption(options::OPT_mwatchos_version_min_EQ);
|
|
WatchOSVersion = Args.MakeJoinedArg(nullptr, O, WatchOSTarget);
|
|
Args.append(WatchOSVersion);
|
|
}
|
|
}
|
|
|
|
DarwinPlatformKind Platform;
|
|
if (OSXVersion)
|
|
Platform = MacOS;
|
|
else if (iOSVersion)
|
|
Platform = IPhoneOS;
|
|
else if (TvOSVersion)
|
|
Platform = TvOS;
|
|
else if (WatchOSVersion)
|
|
Platform = WatchOS;
|
|
else
|
|
llvm_unreachable("Unable to infer Darwin variant");
|
|
|
|
// Set the tool chain target information.
|
|
if (Platform == MacOS) {
|
|
assert((!iOSVersion && !TvOSVersion && !WatchOSVersion) &&
|
|
"Unknown target platform!");
|
|
if (!Driver::GetReleaseVersion(OSXVersion->getValue(), Major, Minor, Micro,
|
|
HadExtra) ||
|
|
HadExtra || Major != 10 || Minor >= 100 || Micro >= 100)
|
|
getDriver().Diag(diag::err_drv_invalid_version_number)
|
|
<< OSXVersion->getAsString(Args);
|
|
} else if (Platform == IPhoneOS) {
|
|
assert(iOSVersion && "Unknown target platform!");
|
|
if (!Driver::GetReleaseVersion(iOSVersion->getValue(), Major, Minor, Micro,
|
|
HadExtra) ||
|
|
HadExtra || Major >= 100 || Minor >= 100 || Micro >= 100)
|
|
getDriver().Diag(diag::err_drv_invalid_version_number)
|
|
<< iOSVersion->getAsString(Args);
|
|
// iOS 10 is the maximum deployment target for 32-bit targets. If the
|
|
// inferred deployment target is iOS 11 or later, set it to 10.99.
|
|
if (getTriple().isArch32Bit() && Major >= 11) {
|
|
Major = 10;
|
|
Minor = 99;
|
|
Micro = 99;
|
|
}
|
|
} else if (Platform == TvOS) {
|
|
if (!Driver::GetReleaseVersion(TvOSVersion->getValue(), Major, Minor,
|
|
Micro, HadExtra) || HadExtra ||
|
|
Major >= 100 || Minor >= 100 || Micro >= 100)
|
|
getDriver().Diag(diag::err_drv_invalid_version_number)
|
|
<< TvOSVersion->getAsString(Args);
|
|
} else if (Platform == WatchOS) {
|
|
if (!Driver::GetReleaseVersion(WatchOSVersion->getValue(), Major, Minor,
|
|
Micro, HadExtra) || HadExtra ||
|
|
Major >= 10 || Minor >= 100 || Micro >= 100)
|
|
getDriver().Diag(diag::err_drv_invalid_version_number)
|
|
<< WatchOSVersion->getAsString(Args);
|
|
} else
|
|
llvm_unreachable("unknown kind of Darwin platform");
|
|
|
|
// Recognize iOS targets with an x86 architecture as the iOS simulator.
|
|
if (iOSVersion && (getTriple().getArch() == llvm::Triple::x86 ||
|
|
getTriple().getArch() == llvm::Triple::x86_64))
|
|
Platform = IPhoneOSSimulator;
|
|
if (TvOSVersion && (getTriple().getArch() == llvm::Triple::x86 ||
|
|
getTriple().getArch() == llvm::Triple::x86_64))
|
|
Platform = TvOSSimulator;
|
|
if (WatchOSVersion && (getTriple().getArch() == llvm::Triple::x86 ||
|
|
getTriple().getArch() == llvm::Triple::x86_64))
|
|
Platform = WatchOSSimulator;
|
|
|
|
setTarget(Platform, Major, Minor, Micro);
|
|
|
|
if (const Arg *A = Args.getLastArg(options::OPT_isysroot)) {
|
|
StringRef SDK = getSDKName(A->getValue());
|
|
if (SDK.size() > 0) {
|
|
size_t StartVer = SDK.find_first_of("0123456789");
|
|
StringRef SDKName = SDK.slice(0, StartVer);
|
|
if (!SDKName.startswith(getPlatformFamily()))
|
|
getDriver().Diag(diag::warn_incompatible_sysroot)
|
|
<< SDKName << getPlatformFamily();
|
|
}
|
|
}
|
|
}
|
|
|
|
void DarwinClang::AddCXXStdlibLibArgs(const ArgList &Args,
|
|
ArgStringList &CmdArgs) const {
|
|
CXXStdlibType Type = GetCXXStdlibType(Args);
|
|
|
|
switch (Type) {
|
|
case ToolChain::CST_Libcxx:
|
|
CmdArgs.push_back("-lc++");
|
|
break;
|
|
|
|
case ToolChain::CST_Libstdcxx:
|
|
// Unfortunately, -lstdc++ doesn't always exist in the standard search path;
|
|
// it was previously found in the gcc lib dir. However, for all the Darwin
|
|
// platforms we care about it was -lstdc++.6, so we search for that
|
|
// explicitly if we can't see an obvious -lstdc++ candidate.
|
|
|
|
// Check in the sysroot first.
|
|
if (const Arg *A = Args.getLastArg(options::OPT_isysroot)) {
|
|
SmallString<128> P(A->getValue());
|
|
llvm::sys::path::append(P, "usr", "lib", "libstdc++.dylib");
|
|
|
|
if (!getVFS().exists(P)) {
|
|
llvm::sys::path::remove_filename(P);
|
|
llvm::sys::path::append(P, "libstdc++.6.dylib");
|
|
if (getVFS().exists(P)) {
|
|
CmdArgs.push_back(Args.MakeArgString(P));
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Otherwise, look in the root.
|
|
// FIXME: This should be removed someday when we don't have to care about
|
|
// 10.6 and earlier, where /usr/lib/libstdc++.dylib does not exist.
|
|
if (!getVFS().exists("/usr/lib/libstdc++.dylib") &&
|
|
getVFS().exists("/usr/lib/libstdc++.6.dylib")) {
|
|
CmdArgs.push_back("/usr/lib/libstdc++.6.dylib");
|
|
return;
|
|
}
|
|
|
|
// Otherwise, let the linker search.
|
|
CmdArgs.push_back("-lstdc++");
|
|
break;
|
|
}
|
|
}
|
|
|
|
void DarwinClang::AddCCKextLibArgs(const ArgList &Args,
|
|
ArgStringList &CmdArgs) const {
|
|
// For Darwin platforms, use the compiler-rt-based support library
|
|
// instead of the gcc-provided one (which is also incidentally
|
|
// only present in the gcc lib dir, which makes it hard to find).
|
|
|
|
SmallString<128> P(getDriver().ResourceDir);
|
|
llvm::sys::path::append(P, "lib", "darwin");
|
|
|
|
// Use the newer cc_kext for iOS ARM after 6.0.
|
|
if (isTargetWatchOS()) {
|
|
llvm::sys::path::append(P, "libclang_rt.cc_kext_watchos.a");
|
|
} else if (isTargetTvOS()) {
|
|
llvm::sys::path::append(P, "libclang_rt.cc_kext_tvos.a");
|
|
} else if (isTargetIPhoneOS()) {
|
|
llvm::sys::path::append(P, "libclang_rt.cc_kext_ios.a");
|
|
} else {
|
|
llvm::sys::path::append(P, "libclang_rt.cc_kext.a");
|
|
}
|
|
|
|
// For now, allow missing resource libraries to support developers who may
|
|
// not have compiler-rt checked out or integrated into their build.
|
|
if (getVFS().exists(P))
|
|
CmdArgs.push_back(Args.MakeArgString(P));
|
|
}
|
|
|
|
DerivedArgList *MachO::TranslateArgs(const DerivedArgList &Args,
|
|
StringRef BoundArch,
|
|
Action::OffloadKind) const {
|
|
DerivedArgList *DAL = new DerivedArgList(Args.getBaseArgs());
|
|
const OptTable &Opts = getDriver().getOpts();
|
|
|
|
// FIXME: We really want to get out of the tool chain level argument
|
|
// translation business, as it makes the driver functionality much
|
|
// more opaque. For now, we follow gcc closely solely for the
|
|
// purpose of easily achieving feature parity & testability. Once we
|
|
// have something that works, we should reevaluate each translation
|
|
// and try to push it down into tool specific logic.
|
|
|
|
for (Arg *A : Args) {
|
|
if (A->getOption().matches(options::OPT_Xarch__)) {
|
|
// Skip this argument unless the architecture matches either the toolchain
|
|
// triple arch, or the arch being bound.
|
|
llvm::Triple::ArchType XarchArch =
|
|
tools::darwin::getArchTypeForMachOArchName(A->getValue(0));
|
|
if (!(XarchArch == getArch() ||
|
|
(!BoundArch.empty() &&
|
|
XarchArch ==
|
|
tools::darwin::getArchTypeForMachOArchName(BoundArch))))
|
|
continue;
|
|
|
|
Arg *OriginalArg = A;
|
|
unsigned Index = Args.getBaseArgs().MakeIndex(A->getValue(1));
|
|
unsigned Prev = Index;
|
|
std::unique_ptr<Arg> XarchArg(Opts.ParseOneArg(Args, Index));
|
|
|
|
// 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 isDriverOption() as an approximation, although things
|
|
// like -O4 are going to slip through.
|
|
if (!XarchArg || Index > Prev + 1) {
|
|
getDriver().Diag(diag::err_drv_invalid_Xarch_argument_with_args)
|
|
<< A->getAsString(Args);
|
|
continue;
|
|
} else if (XarchArg->getOption().hasFlag(options::DriverOption)) {
|
|
getDriver().Diag(diag::err_drv_invalid_Xarch_argument_isdriver)
|
|
<< A->getAsString(Args);
|
|
continue;
|
|
}
|
|
|
|
XarchArg->setBaseArg(A);
|
|
|
|
A = XarchArg.release();
|
|
DAL->AddSynthesizedArg(A);
|
|
|
|
// 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.
|
|
for (const char *Value : A->getValues()) {
|
|
DAL->AddSeparateArg(
|
|
OriginalArg, Opts.getOption(options::OPT_Zlinker_input), Value);
|
|
}
|
|
continue;
|
|
}
|
|
}
|
|
|
|
// Sob. These is strictly gcc compatible for the time being. Apple
|
|
// gcc translates options twice, which means that self-expanding
|
|
// options add duplicates.
|
|
switch ((options::ID)A->getOption().getID()) {
|
|
default:
|
|
DAL->append(A);
|
|
break;
|
|
|
|
case options::OPT_mkernel:
|
|
case options::OPT_fapple_kext:
|
|
DAL->append(A);
|
|
DAL->AddFlagArg(A, Opts.getOption(options::OPT_static));
|
|
break;
|
|
|
|
case options::OPT_dependency_file:
|
|
DAL->AddSeparateArg(A, Opts.getOption(options::OPT_MF), A->getValue());
|
|
break;
|
|
|
|
case options::OPT_gfull:
|
|
DAL->AddFlagArg(A, Opts.getOption(options::OPT_g_Flag));
|
|
DAL->AddFlagArg(
|
|
A, Opts.getOption(options::OPT_fno_eliminate_unused_debug_symbols));
|
|
break;
|
|
|
|
case options::OPT_gused:
|
|
DAL->AddFlagArg(A, Opts.getOption(options::OPT_g_Flag));
|
|
DAL->AddFlagArg(
|
|
A, Opts.getOption(options::OPT_feliminate_unused_debug_symbols));
|
|
break;
|
|
|
|
case options::OPT_shared:
|
|
DAL->AddFlagArg(A, Opts.getOption(options::OPT_dynamiclib));
|
|
break;
|
|
|
|
case options::OPT_fconstant_cfstrings:
|
|
DAL->AddFlagArg(A, Opts.getOption(options::OPT_mconstant_cfstrings));
|
|
break;
|
|
|
|
case options::OPT_fno_constant_cfstrings:
|
|
DAL->AddFlagArg(A, Opts.getOption(options::OPT_mno_constant_cfstrings));
|
|
break;
|
|
|
|
case options::OPT_Wnonportable_cfstrings:
|
|
DAL->AddFlagArg(A,
|
|
Opts.getOption(options::OPT_mwarn_nonportable_cfstrings));
|
|
break;
|
|
|
|
case options::OPT_Wno_nonportable_cfstrings:
|
|
DAL->AddFlagArg(
|
|
A, Opts.getOption(options::OPT_mno_warn_nonportable_cfstrings));
|
|
break;
|
|
|
|
case options::OPT_fpascal_strings:
|
|
DAL->AddFlagArg(A, Opts.getOption(options::OPT_mpascal_strings));
|
|
break;
|
|
|
|
case options::OPT_fno_pascal_strings:
|
|
DAL->AddFlagArg(A, Opts.getOption(options::OPT_mno_pascal_strings));
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (getTriple().getArch() == llvm::Triple::x86 ||
|
|
getTriple().getArch() == llvm::Triple::x86_64)
|
|
if (!Args.hasArgNoClaim(options::OPT_mtune_EQ))
|
|
DAL->AddJoinedArg(nullptr, Opts.getOption(options::OPT_mtune_EQ),
|
|
"core2");
|
|
|
|
// Add the arch options based on the particular spelling of -arch, to match
|
|
// how the driver driver works.
|
|
if (!BoundArch.empty()) {
|
|
StringRef Name = BoundArch;
|
|
const Option MCpu = Opts.getOption(options::OPT_mcpu_EQ);
|
|
const Option MArch = Opts.getOption(clang::driver::options::OPT_march_EQ);
|
|
|
|
// This code must be kept in sync with LLVM's getArchTypeForDarwinArch,
|
|
// which defines the list of which architectures we accept.
|
|
if (Name == "ppc")
|
|
;
|
|
else if (Name == "ppc601")
|
|
DAL->AddJoinedArg(nullptr, MCpu, "601");
|
|
else if (Name == "ppc603")
|
|
DAL->AddJoinedArg(nullptr, MCpu, "603");
|
|
else if (Name == "ppc604")
|
|
DAL->AddJoinedArg(nullptr, MCpu, "604");
|
|
else if (Name == "ppc604e")
|
|
DAL->AddJoinedArg(nullptr, MCpu, "604e");
|
|
else if (Name == "ppc750")
|
|
DAL->AddJoinedArg(nullptr, MCpu, "750");
|
|
else if (Name == "ppc7400")
|
|
DAL->AddJoinedArg(nullptr, MCpu, "7400");
|
|
else if (Name == "ppc7450")
|
|
DAL->AddJoinedArg(nullptr, MCpu, "7450");
|
|
else if (Name == "ppc970")
|
|
DAL->AddJoinedArg(nullptr, MCpu, "970");
|
|
|
|
else if (Name == "ppc64" || Name == "ppc64le")
|
|
DAL->AddFlagArg(nullptr, Opts.getOption(options::OPT_m64));
|
|
|
|
else if (Name == "i386")
|
|
;
|
|
else if (Name == "i486")
|
|
DAL->AddJoinedArg(nullptr, MArch, "i486");
|
|
else if (Name == "i586")
|
|
DAL->AddJoinedArg(nullptr, MArch, "i586");
|
|
else if (Name == "i686")
|
|
DAL->AddJoinedArg(nullptr, MArch, "i686");
|
|
else if (Name == "pentium")
|
|
DAL->AddJoinedArg(nullptr, MArch, "pentium");
|
|
else if (Name == "pentium2")
|
|
DAL->AddJoinedArg(nullptr, MArch, "pentium2");
|
|
else if (Name == "pentpro")
|
|
DAL->AddJoinedArg(nullptr, MArch, "pentiumpro");
|
|
else if (Name == "pentIIm3")
|
|
DAL->AddJoinedArg(nullptr, MArch, "pentium2");
|
|
|
|
else if (Name == "x86_64")
|
|
DAL->AddFlagArg(nullptr, Opts.getOption(options::OPT_m64));
|
|
else if (Name == "x86_64h") {
|
|
DAL->AddFlagArg(nullptr, Opts.getOption(options::OPT_m64));
|
|
DAL->AddJoinedArg(nullptr, MArch, "x86_64h");
|
|
}
|
|
|
|
else if (Name == "arm")
|
|
DAL->AddJoinedArg(nullptr, MArch, "armv4t");
|
|
else if (Name == "armv4t")
|
|
DAL->AddJoinedArg(nullptr, MArch, "armv4t");
|
|
else if (Name == "armv5")
|
|
DAL->AddJoinedArg(nullptr, MArch, "armv5tej");
|
|
else if (Name == "xscale")
|
|
DAL->AddJoinedArg(nullptr, MArch, "xscale");
|
|
else if (Name == "armv6")
|
|
DAL->AddJoinedArg(nullptr, MArch, "armv6k");
|
|
else if (Name == "armv6m")
|
|
DAL->AddJoinedArg(nullptr, MArch, "armv6m");
|
|
else if (Name == "armv7")
|
|
DAL->AddJoinedArg(nullptr, MArch, "armv7a");
|
|
else if (Name == "armv7em")
|
|
DAL->AddJoinedArg(nullptr, MArch, "armv7em");
|
|
else if (Name == "armv7k")
|
|
DAL->AddJoinedArg(nullptr, MArch, "armv7k");
|
|
else if (Name == "armv7m")
|
|
DAL->AddJoinedArg(nullptr, MArch, "armv7m");
|
|
else if (Name == "armv7s")
|
|
DAL->AddJoinedArg(nullptr, MArch, "armv7s");
|
|
}
|
|
|
|
return DAL;
|
|
}
|
|
|
|
void MachO::AddLinkRuntimeLibArgs(const ArgList &Args,
|
|
ArgStringList &CmdArgs) const {
|
|
// Embedded targets are simple at the moment, not supporting sanitizers and
|
|
// with different libraries for each member of the product { static, PIC } x
|
|
// { hard-float, soft-float }
|
|
llvm::SmallString<32> CompilerRT = StringRef("libclang_rt.");
|
|
CompilerRT +=
|
|
(tools::arm::getARMFloatABI(*this, Args) == tools::arm::FloatABI::Hard)
|
|
? "hard"
|
|
: "soft";
|
|
CompilerRT += Args.hasArg(options::OPT_fPIC) ? "_pic.a" : "_static.a";
|
|
|
|
AddLinkRuntimeLib(Args, CmdArgs, CompilerRT, false, true);
|
|
}
|
|
|
|
bool Darwin::isAlignedAllocationUnavailable() const {
|
|
switch (TargetPlatform) {
|
|
case MacOS: // Earlier than 10.13.
|
|
return TargetVersion < VersionTuple(10U, 13U, 0U);
|
|
case IPhoneOS:
|
|
case IPhoneOSSimulator:
|
|
case TvOS:
|
|
case TvOSSimulator: // Earlier than 11.0.
|
|
return TargetVersion < VersionTuple(11U, 0U, 0U);
|
|
case WatchOS:
|
|
case WatchOSSimulator: // Earlier than 4.0.
|
|
return TargetVersion < VersionTuple(4U, 0U, 0U);
|
|
}
|
|
llvm_unreachable("Unsupported platform");
|
|
}
|
|
|
|
void Darwin::addClangTargetOptions(const llvm::opt::ArgList &DriverArgs,
|
|
llvm::opt::ArgStringList &CC1Args,
|
|
Action::OffloadKind DeviceOffloadKind) const {
|
|
if (isAlignedAllocationUnavailable())
|
|
CC1Args.push_back("-faligned-alloc-unavailable");
|
|
}
|
|
|
|
DerivedArgList *
|
|
Darwin::TranslateArgs(const DerivedArgList &Args, StringRef BoundArch,
|
|
Action::OffloadKind DeviceOffloadKind) const {
|
|
// First get the generic Apple args, before moving onto Darwin-specific ones.
|
|
DerivedArgList *DAL =
|
|
MachO::TranslateArgs(Args, BoundArch, DeviceOffloadKind);
|
|
const OptTable &Opts = getDriver().getOpts();
|
|
|
|
// If no architecture is bound, none of the translations here are relevant.
|
|
if (BoundArch.empty())
|
|
return DAL;
|
|
|
|
// Add an explicit version min argument for the deployment target. We do this
|
|
// after argument translation because -Xarch_ arguments may add a version min
|
|
// argument.
|
|
AddDeploymentTarget(*DAL);
|
|
|
|
// For iOS 6, undo the translation to add -static for -mkernel/-fapple-kext.
|
|
// FIXME: It would be far better to avoid inserting those -static arguments,
|
|
// but we can't check the deployment target in the translation code until
|
|
// it is set here.
|
|
if (isTargetWatchOSBased() ||
|
|
(isTargetIOSBased() && !isIPhoneOSVersionLT(6, 0))) {
|
|
for (ArgList::iterator it = DAL->begin(), ie = DAL->end(); it != ie; ) {
|
|
Arg *A = *it;
|
|
++it;
|
|
if (A->getOption().getID() != options::OPT_mkernel &&
|
|
A->getOption().getID() != options::OPT_fapple_kext)
|
|
continue;
|
|
assert(it != ie && "unexpected argument translation");
|
|
A = *it;
|
|
assert(A->getOption().getID() == options::OPT_static &&
|
|
"missing expected -static argument");
|
|
*it = nullptr;
|
|
++it;
|
|
}
|
|
}
|
|
|
|
if (!Args.getLastArg(options::OPT_stdlib_EQ) &&
|
|
GetCXXStdlibType(Args) == ToolChain::CST_Libcxx)
|
|
DAL->AddJoinedArg(nullptr, Opts.getOption(options::OPT_stdlib_EQ),
|
|
"libc++");
|
|
|
|
// Validate the C++ standard library choice.
|
|
CXXStdlibType Type = GetCXXStdlibType(*DAL);
|
|
if (Type == ToolChain::CST_Libcxx) {
|
|
// Check whether the target provides libc++.
|
|
StringRef where;
|
|
|
|
// Complain about targeting iOS < 5.0 in any way.
|
|
if (isTargetIOSBased() && isIPhoneOSVersionLT(5, 0))
|
|
where = "iOS 5.0";
|
|
|
|
if (where != StringRef()) {
|
|
getDriver().Diag(clang::diag::err_drv_invalid_libcxx_deployment) << where;
|
|
}
|
|
}
|
|
|
|
auto Arch = tools::darwin::getArchTypeForMachOArchName(BoundArch);
|
|
if ((Arch == llvm::Triple::arm || Arch == llvm::Triple::thumb)) {
|
|
if (Args.hasFlag(options::OPT_fomit_frame_pointer,
|
|
options::OPT_fno_omit_frame_pointer, false))
|
|
getDriver().Diag(clang::diag::warn_drv_unsupported_opt_for_target)
|
|
<< "-fomit-frame-pointer" << BoundArch;
|
|
}
|
|
|
|
return DAL;
|
|
}
|
|
|
|
bool MachO::IsUnwindTablesDefault() const {
|
|
return getArch() == llvm::Triple::x86_64;
|
|
}
|
|
|
|
bool MachO::UseDwarfDebugFlags() const {
|
|
if (const char *S = ::getenv("RC_DEBUG_OPTIONS"))
|
|
return S[0] != '\0';
|
|
return false;
|
|
}
|
|
|
|
bool Darwin::UseSjLjExceptions(const ArgList &Args) const {
|
|
// Darwin uses SjLj exceptions on ARM.
|
|
if (getTriple().getArch() != llvm::Triple::arm &&
|
|
getTriple().getArch() != llvm::Triple::thumb)
|
|
return false;
|
|
|
|
// Only watchOS uses the new DWARF/Compact unwinding method.
|
|
llvm::Triple Triple(ComputeLLVMTriple(Args));
|
|
return !Triple.isWatchABI();
|
|
}
|
|
|
|
bool Darwin::SupportsEmbeddedBitcode() const {
|
|
assert(TargetInitialized && "Target not initialized!");
|
|
if (isTargetIPhoneOS() && isIPhoneOSVersionLT(6, 0))
|
|
return false;
|
|
return true;
|
|
}
|
|
|
|
bool MachO::isPICDefault() const { return true; }
|
|
|
|
bool MachO::isPIEDefault() const { return false; }
|
|
|
|
bool MachO::isPICDefaultForced() const {
|
|
return (getArch() == llvm::Triple::x86_64 ||
|
|
getArch() == llvm::Triple::aarch64);
|
|
}
|
|
|
|
bool MachO::SupportsProfiling() const {
|
|
// Profiling instrumentation is only supported on x86.
|
|
return getArch() == llvm::Triple::x86 || getArch() == llvm::Triple::x86_64;
|
|
}
|
|
|
|
void Darwin::addMinVersionArgs(const ArgList &Args,
|
|
ArgStringList &CmdArgs) const {
|
|
VersionTuple TargetVersion = getTargetVersion();
|
|
|
|
if (isTargetWatchOS())
|
|
CmdArgs.push_back("-watchos_version_min");
|
|
else if (isTargetWatchOSSimulator())
|
|
CmdArgs.push_back("-watchos_simulator_version_min");
|
|
else if (isTargetTvOS())
|
|
CmdArgs.push_back("-tvos_version_min");
|
|
else if (isTargetTvOSSimulator())
|
|
CmdArgs.push_back("-tvos_simulator_version_min");
|
|
else if (isTargetIOSSimulator())
|
|
CmdArgs.push_back("-ios_simulator_version_min");
|
|
else if (isTargetIOSBased())
|
|
CmdArgs.push_back("-iphoneos_version_min");
|
|
else {
|
|
assert(isTargetMacOS() && "unexpected target");
|
|
CmdArgs.push_back("-macosx_version_min");
|
|
}
|
|
|
|
CmdArgs.push_back(Args.MakeArgString(TargetVersion.getAsString()));
|
|
}
|
|
|
|
void Darwin::addStartObjectFileArgs(const ArgList &Args,
|
|
ArgStringList &CmdArgs) const {
|
|
// Derived from startfile spec.
|
|
if (Args.hasArg(options::OPT_dynamiclib)) {
|
|
// Derived from darwin_dylib1 spec.
|
|
if (isTargetWatchOSBased()) {
|
|
; // watchOS does not need dylib1.o.
|
|
} else if (isTargetIOSSimulator()) {
|
|
; // iOS simulator does not need dylib1.o.
|
|
} else if (isTargetIPhoneOS()) {
|
|
if (isIPhoneOSVersionLT(3, 1))
|
|
CmdArgs.push_back("-ldylib1.o");
|
|
} else {
|
|
if (isMacosxVersionLT(10, 5))
|
|
CmdArgs.push_back("-ldylib1.o");
|
|
else if (isMacosxVersionLT(10, 6))
|
|
CmdArgs.push_back("-ldylib1.10.5.o");
|
|
}
|
|
} else {
|
|
if (Args.hasArg(options::OPT_bundle)) {
|
|
if (!Args.hasArg(options::OPT_static)) {
|
|
// Derived from darwin_bundle1 spec.
|
|
if (isTargetWatchOSBased()) {
|
|
; // watchOS does not need bundle1.o.
|
|
} else if (isTargetIOSSimulator()) {
|
|
; // iOS simulator does not need bundle1.o.
|
|
} else if (isTargetIPhoneOS()) {
|
|
if (isIPhoneOSVersionLT(3, 1))
|
|
CmdArgs.push_back("-lbundle1.o");
|
|
} else {
|
|
if (isMacosxVersionLT(10, 6))
|
|
CmdArgs.push_back("-lbundle1.o");
|
|
}
|
|
}
|
|
} else {
|
|
if (Args.hasArg(options::OPT_pg) && SupportsProfiling()) {
|
|
if (Args.hasArg(options::OPT_static) ||
|
|
Args.hasArg(options::OPT_object) ||
|
|
Args.hasArg(options::OPT_preload)) {
|
|
CmdArgs.push_back("-lgcrt0.o");
|
|
} else {
|
|
CmdArgs.push_back("-lgcrt1.o");
|
|
|
|
// darwin_crt2 spec is empty.
|
|
}
|
|
// By default on OS X 10.8 and later, we don't link with a crt1.o
|
|
// file and the linker knows to use _main as the entry point. But,
|
|
// when compiling with -pg, we need to link with the gcrt1.o file,
|
|
// so pass the -no_new_main option to tell the linker to use the
|
|
// "start" symbol as the entry point.
|
|
if (isTargetMacOS() && !isMacosxVersionLT(10, 8))
|
|
CmdArgs.push_back("-no_new_main");
|
|
} else {
|
|
if (Args.hasArg(options::OPT_static) ||
|
|
Args.hasArg(options::OPT_object) ||
|
|
Args.hasArg(options::OPT_preload)) {
|
|
CmdArgs.push_back("-lcrt0.o");
|
|
} else {
|
|
// Derived from darwin_crt1 spec.
|
|
if (isTargetWatchOSBased()) {
|
|
; // watchOS does not need crt1.o.
|
|
} else if (isTargetIOSSimulator()) {
|
|
; // iOS simulator does not need crt1.o.
|
|
} else if (isTargetIPhoneOS()) {
|
|
if (getArch() == llvm::Triple::aarch64)
|
|
; // iOS does not need any crt1 files for arm64
|
|
else if (isIPhoneOSVersionLT(3, 1))
|
|
CmdArgs.push_back("-lcrt1.o");
|
|
else if (isIPhoneOSVersionLT(6, 0))
|
|
CmdArgs.push_back("-lcrt1.3.1.o");
|
|
} else {
|
|
if (isMacosxVersionLT(10, 5))
|
|
CmdArgs.push_back("-lcrt1.o");
|
|
else if (isMacosxVersionLT(10, 6))
|
|
CmdArgs.push_back("-lcrt1.10.5.o");
|
|
else if (isMacosxVersionLT(10, 8))
|
|
CmdArgs.push_back("-lcrt1.10.6.o");
|
|
|
|
// darwin_crt2 spec is empty.
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!isTargetIPhoneOS() && Args.hasArg(options::OPT_shared_libgcc) &&
|
|
!isTargetWatchOS() &&
|
|
isMacosxVersionLT(10, 5)) {
|
|
const char *Str = Args.MakeArgString(GetFilePath("crt3.o"));
|
|
CmdArgs.push_back(Str);
|
|
}
|
|
}
|
|
|
|
bool Darwin::SupportsObjCGC() const { return isTargetMacOS(); }
|
|
|
|
void Darwin::CheckObjCARC() const {
|
|
if (isTargetIOSBased() || isTargetWatchOSBased() ||
|
|
(isTargetMacOS() && !isMacosxVersionLT(10, 6)))
|
|
return;
|
|
getDriver().Diag(diag::err_arc_unsupported_on_toolchain);
|
|
}
|
|
|
|
SanitizerMask Darwin::getSupportedSanitizers() const {
|
|
const bool IsX86_64 = getTriple().getArch() == llvm::Triple::x86_64;
|
|
SanitizerMask Res = ToolChain::getSupportedSanitizers();
|
|
Res |= SanitizerKind::Address;
|
|
Res |= SanitizerKind::Leak;
|
|
Res |= SanitizerKind::Fuzzer;
|
|
if (isTargetMacOS()) {
|
|
if (!isMacosxVersionLT(10, 9))
|
|
Res |= SanitizerKind::Vptr;
|
|
Res |= SanitizerKind::SafeStack;
|
|
if (IsX86_64)
|
|
Res |= SanitizerKind::Thread;
|
|
} else if (isTargetIOSSimulator() || isTargetTvOSSimulator()) {
|
|
if (IsX86_64)
|
|
Res |= SanitizerKind::Thread;
|
|
}
|
|
return Res;
|
|
}
|
|
|
|
void Darwin::printVerboseInfo(raw_ostream &OS) const {
|
|
CudaInstallation.print(OS);
|
|
}
|