forked from OSchip/llvm-project
7465 lines
268 KiB
C++
7465 lines
268 KiB
C++
//===--- Tools.cpp - Tools Implementations --------------------------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "Tools.h"
|
|
#include "InputInfo.h"
|
|
#include "ToolChains.h"
|
|
#include "clang/Basic/LangOptions.h"
|
|
#include "clang/Basic/ObjCRuntime.h"
|
|
#include "clang/Basic/Version.h"
|
|
#include "clang/Driver/Action.h"
|
|
#include "clang/Driver/Compilation.h"
|
|
#include "clang/Driver/Driver.h"
|
|
#include "clang/Driver/DriverDiagnostic.h"
|
|
#include "clang/Driver/Job.h"
|
|
#include "clang/Driver/Options.h"
|
|
#include "clang/Driver/SanitizerArgs.h"
|
|
#include "clang/Driver/ToolChain.h"
|
|
#include "clang/Driver/Util.h"
|
|
#include "llvm/ADT/SmallString.h"
|
|
#include "llvm/ADT/StringExtras.h"
|
|
#include "llvm/ADT/StringSwitch.h"
|
|
#include "llvm/ADT/Twine.h"
|
|
#include "llvm/Option/Arg.h"
|
|
#include "llvm/Option/ArgList.h"
|
|
#include "llvm/Option/Option.h"
|
|
#include "llvm/Support/ErrorHandling.h"
|
|
#include "llvm/Support/FileSystem.h"
|
|
#include "llvm/Support/Format.h"
|
|
#include "llvm/Support/Host.h"
|
|
#include "llvm/Support/Path.h"
|
|
#include "llvm/Support/Process.h"
|
|
#include "llvm/Support/Program.h"
|
|
#include "llvm/Support/raw_ostream.h"
|
|
#include <sys/stat.h>
|
|
|
|
using namespace clang::driver;
|
|
using namespace clang::driver::tools;
|
|
using namespace clang;
|
|
using namespace llvm::opt;
|
|
|
|
static void addAssemblerKPIC(const ArgList &Args, ArgStringList &CmdArgs) {
|
|
Arg *LastPICArg = Args.getLastArg(options::OPT_fPIC, options::OPT_fno_PIC,
|
|
options::OPT_fpic, options::OPT_fno_pic,
|
|
options::OPT_fPIE, options::OPT_fno_PIE,
|
|
options::OPT_fpie, options::OPT_fno_pie);
|
|
if (!LastPICArg)
|
|
return;
|
|
if (LastPICArg->getOption().matches(options::OPT_fPIC) ||
|
|
LastPICArg->getOption().matches(options::OPT_fpic) ||
|
|
LastPICArg->getOption().matches(options::OPT_fPIE) ||
|
|
LastPICArg->getOption().matches(options::OPT_fpie)) {
|
|
CmdArgs.push_back("-KPIC");
|
|
}
|
|
}
|
|
|
|
/// CheckPreprocessingOptions - Perform some validation of preprocessing
|
|
/// arguments that is shared with gcc.
|
|
static void CheckPreprocessingOptions(const Driver &D, const ArgList &Args) {
|
|
if (Arg *A = Args.getLastArg(options::OPT_C, options::OPT_CC))
|
|
if (!Args.hasArg(options::OPT_E) && !D.CCCIsCPP())
|
|
D.Diag(diag::err_drv_argument_only_allowed_with)
|
|
<< A->getAsString(Args) << "-E";
|
|
}
|
|
|
|
/// CheckCodeGenerationOptions - Perform some validation of code generation
|
|
/// arguments that is shared with gcc.
|
|
static void CheckCodeGenerationOptions(const Driver &D, const ArgList &Args) {
|
|
// In gcc, only ARM checks this, but it seems reasonable to check universally.
|
|
if (Args.hasArg(options::OPT_static))
|
|
if (const Arg *A = Args.getLastArg(options::OPT_dynamic,
|
|
options::OPT_mdynamic_no_pic))
|
|
D.Diag(diag::err_drv_argument_not_allowed_with)
|
|
<< A->getAsString(Args) << "-static";
|
|
}
|
|
|
|
// Quote target names for inclusion in GNU Make dependency files.
|
|
// Only the characters '$', '#', ' ', '\t' are quoted.
|
|
static void QuoteTarget(StringRef Target,
|
|
SmallVectorImpl<char> &Res) {
|
|
for (unsigned i = 0, e = Target.size(); i != e; ++i) {
|
|
switch (Target[i]) {
|
|
case ' ':
|
|
case '\t':
|
|
// Escape the preceding backslashes
|
|
for (int j = i - 1; j >= 0 && Target[j] == '\\'; --j)
|
|
Res.push_back('\\');
|
|
|
|
// Escape the space/tab
|
|
Res.push_back('\\');
|
|
break;
|
|
case '$':
|
|
Res.push_back('$');
|
|
break;
|
|
case '#':
|
|
Res.push_back('\\');
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
Res.push_back(Target[i]);
|
|
}
|
|
}
|
|
|
|
static void addDirectoryList(const ArgList &Args,
|
|
ArgStringList &CmdArgs,
|
|
const char *ArgName,
|
|
const char *EnvVar) {
|
|
const char *DirList = ::getenv(EnvVar);
|
|
bool CombinedArg = false;
|
|
|
|
if (!DirList)
|
|
return; // Nothing to do.
|
|
|
|
StringRef Name(ArgName);
|
|
if (Name.equals("-I") || Name.equals("-L"))
|
|
CombinedArg = true;
|
|
|
|
StringRef Dirs(DirList);
|
|
if (Dirs.empty()) // Empty string should not add '.'.
|
|
return;
|
|
|
|
StringRef::size_type Delim;
|
|
while ((Delim = Dirs.find(llvm::sys::EnvPathSeparator)) != StringRef::npos) {
|
|
if (Delim == 0) { // Leading colon.
|
|
if (CombinedArg) {
|
|
CmdArgs.push_back(Args.MakeArgString(std::string(ArgName) + "."));
|
|
} else {
|
|
CmdArgs.push_back(ArgName);
|
|
CmdArgs.push_back(".");
|
|
}
|
|
} else {
|
|
if (CombinedArg) {
|
|
CmdArgs.push_back(Args.MakeArgString(std::string(ArgName) + Dirs.substr(0, Delim)));
|
|
} else {
|
|
CmdArgs.push_back(ArgName);
|
|
CmdArgs.push_back(Args.MakeArgString(Dirs.substr(0, Delim)));
|
|
}
|
|
}
|
|
Dirs = Dirs.substr(Delim + 1);
|
|
}
|
|
|
|
if (Dirs.empty()) { // Trailing colon.
|
|
if (CombinedArg) {
|
|
CmdArgs.push_back(Args.MakeArgString(std::string(ArgName) + "."));
|
|
} else {
|
|
CmdArgs.push_back(ArgName);
|
|
CmdArgs.push_back(".");
|
|
}
|
|
} else { // Add the last path.
|
|
if (CombinedArg) {
|
|
CmdArgs.push_back(Args.MakeArgString(std::string(ArgName) + Dirs));
|
|
} else {
|
|
CmdArgs.push_back(ArgName);
|
|
CmdArgs.push_back(Args.MakeArgString(Dirs));
|
|
}
|
|
}
|
|
}
|
|
|
|
static void AddLinkerInputs(const ToolChain &TC,
|
|
const InputInfoList &Inputs, const ArgList &Args,
|
|
ArgStringList &CmdArgs) {
|
|
const Driver &D = TC.getDriver();
|
|
|
|
// Add extra linker input arguments which are not treated as inputs
|
|
// (constructed via -Xarch_).
|
|
Args.AddAllArgValues(CmdArgs, options::OPT_Zlinker_input);
|
|
|
|
for (InputInfoList::const_iterator
|
|
it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
|
|
const InputInfo &II = *it;
|
|
|
|
if (!TC.HasNativeLLVMSupport()) {
|
|
// Don't try to pass LLVM inputs unless we have native support.
|
|
if (II.getType() == types::TY_LLVM_IR ||
|
|
II.getType() == types::TY_LTO_IR ||
|
|
II.getType() == types::TY_LLVM_BC ||
|
|
II.getType() == types::TY_LTO_BC)
|
|
D.Diag(diag::err_drv_no_linker_llvm_support)
|
|
<< TC.getTripleString();
|
|
}
|
|
|
|
// Add filenames immediately.
|
|
if (II.isFilename()) {
|
|
CmdArgs.push_back(II.getFilename());
|
|
continue;
|
|
}
|
|
|
|
// Otherwise, this is a linker input argument.
|
|
const Arg &A = II.getInputArg();
|
|
|
|
// Handle reserved library options.
|
|
if (A.getOption().matches(options::OPT_Z_reserved_lib_stdcxx)) {
|
|
TC.AddCXXStdlibLibArgs(Args, CmdArgs);
|
|
} else if (A.getOption().matches(options::OPT_Z_reserved_lib_cckext)) {
|
|
TC.AddCCKextLibArgs(Args, CmdArgs);
|
|
} else
|
|
A.renderAsInput(Args, CmdArgs);
|
|
}
|
|
|
|
// LIBRARY_PATH - included following the user specified library paths.
|
|
// and only supported on native toolchains.
|
|
if (!TC.isCrossCompiling())
|
|
addDirectoryList(Args, CmdArgs, "-L", "LIBRARY_PATH");
|
|
}
|
|
|
|
/// \brief Determine whether Objective-C automated reference counting is
|
|
/// enabled.
|
|
static bool isObjCAutoRefCount(const ArgList &Args) {
|
|
return Args.hasFlag(options::OPT_fobjc_arc, options::OPT_fno_objc_arc, false);
|
|
}
|
|
|
|
/// \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);
|
|
}
|
|
|
|
static bool forwardToGCC(const Option &O) {
|
|
// Don't forward inputs from the original command line. They are added from
|
|
// InputInfoList.
|
|
return O.getKind() != Option::InputClass &&
|
|
!O.hasFlag(options::DriverOption) &&
|
|
!O.hasFlag(options::LinkerInput);
|
|
}
|
|
|
|
void Clang::AddPreprocessingOptions(Compilation &C,
|
|
const JobAction &JA,
|
|
const Driver &D,
|
|
const ArgList &Args,
|
|
ArgStringList &CmdArgs,
|
|
const InputInfo &Output,
|
|
const InputInfoList &Inputs) const {
|
|
Arg *A;
|
|
|
|
CheckPreprocessingOptions(D, Args);
|
|
|
|
Args.AddLastArg(CmdArgs, options::OPT_C);
|
|
Args.AddLastArg(CmdArgs, options::OPT_CC);
|
|
|
|
// Handle dependency file generation.
|
|
if ((A = Args.getLastArg(options::OPT_M, options::OPT_MM)) ||
|
|
(A = Args.getLastArg(options::OPT_MD)) ||
|
|
(A = Args.getLastArg(options::OPT_MMD))) {
|
|
// Determine the output location.
|
|
const char *DepFile;
|
|
if (Arg *MF = Args.getLastArg(options::OPT_MF)) {
|
|
DepFile = MF->getValue();
|
|
C.addFailureResultFile(DepFile, &JA);
|
|
} else if (Output.getType() == types::TY_Dependencies) {
|
|
DepFile = Output.getFilename();
|
|
} else if (A->getOption().matches(options::OPT_M) ||
|
|
A->getOption().matches(options::OPT_MM)) {
|
|
DepFile = "-";
|
|
} else {
|
|
DepFile = getDependencyFileName(Args, Inputs);
|
|
C.addFailureResultFile(DepFile, &JA);
|
|
}
|
|
CmdArgs.push_back("-dependency-file");
|
|
CmdArgs.push_back(DepFile);
|
|
|
|
// Add a default target if one wasn't specified.
|
|
if (!Args.hasArg(options::OPT_MT) && !Args.hasArg(options::OPT_MQ)) {
|
|
const char *DepTarget;
|
|
|
|
// If user provided -o, that is the dependency target, except
|
|
// when we are only generating a dependency file.
|
|
Arg *OutputOpt = Args.getLastArg(options::OPT_o);
|
|
if (OutputOpt && Output.getType() != types::TY_Dependencies) {
|
|
DepTarget = OutputOpt->getValue();
|
|
} else {
|
|
// Otherwise derive from the base input.
|
|
//
|
|
// FIXME: This should use the computed output file location.
|
|
SmallString<128> P(Inputs[0].getBaseInput());
|
|
llvm::sys::path::replace_extension(P, "o");
|
|
DepTarget = Args.MakeArgString(llvm::sys::path::filename(P));
|
|
}
|
|
|
|
CmdArgs.push_back("-MT");
|
|
SmallString<128> Quoted;
|
|
QuoteTarget(DepTarget, Quoted);
|
|
CmdArgs.push_back(Args.MakeArgString(Quoted));
|
|
}
|
|
|
|
if (A->getOption().matches(options::OPT_M) ||
|
|
A->getOption().matches(options::OPT_MD))
|
|
CmdArgs.push_back("-sys-header-deps");
|
|
|
|
if (isa<PrecompileJobAction>(JA))
|
|
CmdArgs.push_back("-module-file-deps");
|
|
}
|
|
|
|
if (Args.hasArg(options::OPT_MG)) {
|
|
if (!A || A->getOption().matches(options::OPT_MD) ||
|
|
A->getOption().matches(options::OPT_MMD))
|
|
D.Diag(diag::err_drv_mg_requires_m_or_mm);
|
|
CmdArgs.push_back("-MG");
|
|
}
|
|
|
|
Args.AddLastArg(CmdArgs, options::OPT_MP);
|
|
|
|
// Convert all -MQ <target> args to -MT <quoted target>
|
|
for (arg_iterator it = Args.filtered_begin(options::OPT_MT,
|
|
options::OPT_MQ),
|
|
ie = Args.filtered_end(); it != ie; ++it) {
|
|
const Arg *A = *it;
|
|
A->claim();
|
|
|
|
if (A->getOption().matches(options::OPT_MQ)) {
|
|
CmdArgs.push_back("-MT");
|
|
SmallString<128> Quoted;
|
|
QuoteTarget(A->getValue(), Quoted);
|
|
CmdArgs.push_back(Args.MakeArgString(Quoted));
|
|
|
|
// -MT flag - no change
|
|
} else {
|
|
A->render(Args, CmdArgs);
|
|
}
|
|
}
|
|
|
|
// Add -i* options, and automatically translate to
|
|
// -include-pch/-include-pth for transparent PCH support. It's
|
|
// wonky, but we include looking for .gch so we can support seamless
|
|
// replacement into a build system already set up to be generating
|
|
// .gch files.
|
|
bool RenderedImplicitInclude = false;
|
|
for (arg_iterator it = Args.filtered_begin(options::OPT_clang_i_Group),
|
|
ie = Args.filtered_end(); it != ie; ++it) {
|
|
const Arg *A = it;
|
|
|
|
if (A->getOption().matches(options::OPT_include)) {
|
|
bool IsFirstImplicitInclude = !RenderedImplicitInclude;
|
|
RenderedImplicitInclude = true;
|
|
|
|
// Use PCH if the user requested it.
|
|
bool UsePCH = D.CCCUsePCH;
|
|
|
|
bool FoundPTH = false;
|
|
bool FoundPCH = false;
|
|
SmallString<128> P(A->getValue());
|
|
// We want the files to have a name like foo.h.pch. Add a dummy extension
|
|
// so that replace_extension does the right thing.
|
|
P += ".dummy";
|
|
if (UsePCH) {
|
|
llvm::sys::path::replace_extension(P, "pch");
|
|
if (llvm::sys::fs::exists(P.str()))
|
|
FoundPCH = true;
|
|
}
|
|
|
|
if (!FoundPCH) {
|
|
llvm::sys::path::replace_extension(P, "pth");
|
|
if (llvm::sys::fs::exists(P.str()))
|
|
FoundPTH = true;
|
|
}
|
|
|
|
if (!FoundPCH && !FoundPTH) {
|
|
llvm::sys::path::replace_extension(P, "gch");
|
|
if (llvm::sys::fs::exists(P.str())) {
|
|
FoundPCH = UsePCH;
|
|
FoundPTH = !UsePCH;
|
|
}
|
|
}
|
|
|
|
if (FoundPCH || FoundPTH) {
|
|
if (IsFirstImplicitInclude) {
|
|
A->claim();
|
|
if (UsePCH)
|
|
CmdArgs.push_back("-include-pch");
|
|
else
|
|
CmdArgs.push_back("-include-pth");
|
|
CmdArgs.push_back(Args.MakeArgString(P.str()));
|
|
continue;
|
|
} else {
|
|
// Ignore the PCH if not first on command line and emit warning.
|
|
D.Diag(diag::warn_drv_pch_not_first_include)
|
|
<< P.str() << A->getAsString(Args);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Not translated, render as usual.
|
|
A->claim();
|
|
A->render(Args, CmdArgs);
|
|
}
|
|
|
|
Args.AddAllArgs(CmdArgs, options::OPT_D, options::OPT_U);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_I_Group, options::OPT_F,
|
|
options::OPT_index_header_map);
|
|
|
|
// Add -Wp, and -Xassembler if using the preprocessor.
|
|
|
|
// FIXME: There is a very unfortunate problem here, some troubled
|
|
// souls abuse -Wp, to pass preprocessor options in gcc syntax. To
|
|
// really support that we would have to parse and then translate
|
|
// those options. :(
|
|
Args.AddAllArgValues(CmdArgs, options::OPT_Wp_COMMA,
|
|
options::OPT_Xpreprocessor);
|
|
|
|
// -I- is a deprecated GCC feature, reject it.
|
|
if (Arg *A = Args.getLastArg(options::OPT_I_))
|
|
D.Diag(diag::err_drv_I_dash_not_supported) << A->getAsString(Args);
|
|
|
|
// If we have a --sysroot, and don't have an explicit -isysroot flag, add an
|
|
// -isysroot to the CC1 invocation.
|
|
StringRef sysroot = C.getSysRoot();
|
|
if (sysroot != "") {
|
|
if (!Args.hasArg(options::OPT_isysroot)) {
|
|
CmdArgs.push_back("-isysroot");
|
|
CmdArgs.push_back(C.getArgs().MakeArgString(sysroot));
|
|
}
|
|
}
|
|
|
|
// Parse additional include paths from environment variables.
|
|
// FIXME: We should probably sink the logic for handling these from the
|
|
// frontend into the driver. It will allow deleting 4 otherwise unused flags.
|
|
// CPATH - included following the user specified includes (but prior to
|
|
// builtin and standard includes).
|
|
addDirectoryList(Args, CmdArgs, "-I", "CPATH");
|
|
// C_INCLUDE_PATH - system includes enabled when compiling C.
|
|
addDirectoryList(Args, CmdArgs, "-c-isystem", "C_INCLUDE_PATH");
|
|
// CPLUS_INCLUDE_PATH - system includes enabled when compiling C++.
|
|
addDirectoryList(Args, CmdArgs, "-cxx-isystem", "CPLUS_INCLUDE_PATH");
|
|
// OBJC_INCLUDE_PATH - system includes enabled when compiling ObjC.
|
|
addDirectoryList(Args, CmdArgs, "-objc-isystem", "OBJC_INCLUDE_PATH");
|
|
// OBJCPLUS_INCLUDE_PATH - system includes enabled when compiling ObjC++.
|
|
addDirectoryList(Args, CmdArgs, "-objcxx-isystem", "OBJCPLUS_INCLUDE_PATH");
|
|
|
|
// Add C++ include arguments, if needed.
|
|
if (types::isCXX(Inputs[0].getType()))
|
|
getToolChain().AddClangCXXStdlibIncludeArgs(Args, CmdArgs);
|
|
|
|
// Add system include arguments.
|
|
getToolChain().AddClangSystemIncludeArgs(Args, CmdArgs);
|
|
}
|
|
|
|
/// getAArch64TargetCPU - Get the (LLVM) name of the AArch64 cpu we are targeting.
|
|
//
|
|
// FIXME: tblgen this.
|
|
static std::string getAArch64TargetCPU(const ArgList &Args,
|
|
const llvm::Triple &Triple) {
|
|
// FIXME: Warn on inconsistent use of -mcpu and -march.
|
|
|
|
// If we have -mcpu=, use that.
|
|
if (Arg *A = Args.getLastArg(options::OPT_mcpu_EQ)) {
|
|
StringRef MCPU = A->getValue();
|
|
// Handle -mcpu=native.
|
|
if (MCPU == "native")
|
|
return llvm::sys::getHostCPUName();
|
|
else
|
|
return MCPU;
|
|
}
|
|
|
|
return "generic";
|
|
}
|
|
|
|
// FIXME: Move to target hook.
|
|
static bool isSignedCharDefault(const llvm::Triple &Triple) {
|
|
switch (Triple.getArch()) {
|
|
default:
|
|
return true;
|
|
|
|
case llvm::Triple::aarch64:
|
|
case llvm::Triple::aarch64_be:
|
|
case llvm::Triple::arm:
|
|
case llvm::Triple::ppc:
|
|
case llvm::Triple::ppc64:
|
|
if (Triple.isOSDarwin())
|
|
return true;
|
|
return false;
|
|
|
|
case llvm::Triple::ppc64le:
|
|
case llvm::Triple::systemz:
|
|
case llvm::Triple::xcore:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
static bool isNoCommonDefault(const llvm::Triple &Triple) {
|
|
switch (Triple.getArch()) {
|
|
default:
|
|
return false;
|
|
|
|
case llvm::Triple::xcore:
|
|
return true;
|
|
}
|
|
}
|
|
|
|
// Handle -mfpu=.
|
|
//
|
|
// FIXME: Centralize feature selection, defaulting shouldn't be also in the
|
|
// frontend target.
|
|
static void getAArch64FPUFeatures(const Driver &D, const Arg *A,
|
|
const ArgList &Args,
|
|
std::vector<const char *> &Features) {
|
|
StringRef FPU = A->getValue();
|
|
if (FPU == "fp-armv8") {
|
|
Features.push_back("+fp-armv8");
|
|
} else if (FPU == "neon-fp-armv8") {
|
|
Features.push_back("+fp-armv8");
|
|
Features.push_back("+neon");
|
|
} else if (FPU == "crypto-neon-fp-armv8") {
|
|
Features.push_back("+fp-armv8");
|
|
Features.push_back("+neon");
|
|
Features.push_back("+crypto");
|
|
} else if (FPU == "neon") {
|
|
Features.push_back("+neon");
|
|
} else
|
|
D.Diag(diag::err_drv_clang_unsupported) << A->getAsString(Args);
|
|
}
|
|
|
|
// Handle -mhwdiv=.
|
|
static void getARMHWDivFeatures(const Driver &D, const Arg *A,
|
|
const ArgList &Args,
|
|
std::vector<const char *> &Features) {
|
|
StringRef HWDiv = A->getValue();
|
|
if (HWDiv == "arm") {
|
|
Features.push_back("+hwdiv-arm");
|
|
Features.push_back("-hwdiv");
|
|
} else if (HWDiv == "thumb") {
|
|
Features.push_back("-hwdiv-arm");
|
|
Features.push_back("+hwdiv");
|
|
} else if (HWDiv == "arm,thumb" || HWDiv == "thumb,arm") {
|
|
Features.push_back("+hwdiv-arm");
|
|
Features.push_back("+hwdiv");
|
|
} else if (HWDiv == "none") {
|
|
Features.push_back("-hwdiv-arm");
|
|
Features.push_back("-hwdiv");
|
|
} else
|
|
D.Diag(diag::err_drv_clang_unsupported) << A->getAsString(Args);
|
|
}
|
|
|
|
// Handle -mfpu=.
|
|
//
|
|
// FIXME: Centralize feature selection, defaulting shouldn't be also in the
|
|
// frontend target.
|
|
static void getARMFPUFeatures(const Driver &D, const Arg *A,
|
|
const ArgList &Args,
|
|
std::vector<const char *> &Features) {
|
|
StringRef FPU = A->getValue();
|
|
|
|
// Set the target features based on the FPU.
|
|
if (FPU == "fpa" || FPU == "fpe2" || FPU == "fpe3" || FPU == "maverick") {
|
|
// Disable any default FPU support.
|
|
Features.push_back("-vfp2");
|
|
Features.push_back("-vfp3");
|
|
Features.push_back("-neon");
|
|
} else if (FPU == "vfp") {
|
|
Features.push_back("+vfp2");
|
|
Features.push_back("-neon");
|
|
} else if (FPU == "vfp3-d16" || FPU == "vfpv3-d16") {
|
|
Features.push_back("+vfp3");
|
|
Features.push_back("+d16");
|
|
Features.push_back("-neon");
|
|
} else if (FPU == "vfp3" || FPU == "vfpv3") {
|
|
Features.push_back("+vfp3");
|
|
Features.push_back("-neon");
|
|
} else if (FPU == "vfp4-d16" || FPU == "vfpv4-d16") {
|
|
Features.push_back("+vfp4");
|
|
Features.push_back("+d16");
|
|
Features.push_back("-neon");
|
|
} else if (FPU == "vfp4" || FPU == "vfpv4") {
|
|
Features.push_back("+vfp4");
|
|
Features.push_back("-neon");
|
|
} else if (FPU == "fp4-sp-d16" || FPU == "fpv4-sp-d16") {
|
|
Features.push_back("+vfp4");
|
|
Features.push_back("+d16");
|
|
Features.push_back("+fp-only-sp");
|
|
Features.push_back("-neon");
|
|
} else if (FPU == "fp-armv8") {
|
|
Features.push_back("+fp-armv8");
|
|
Features.push_back("-neon");
|
|
Features.push_back("-crypto");
|
|
} else if (FPU == "neon-fp-armv8") {
|
|
Features.push_back("+fp-armv8");
|
|
Features.push_back("+neon");
|
|
Features.push_back("-crypto");
|
|
} else if (FPU == "crypto-neon-fp-armv8") {
|
|
Features.push_back("+fp-armv8");
|
|
Features.push_back("+neon");
|
|
Features.push_back("+crypto");
|
|
} else if (FPU == "neon") {
|
|
Features.push_back("+neon");
|
|
} else if (FPU == "none") {
|
|
Features.push_back("-vfp2");
|
|
Features.push_back("-vfp3");
|
|
Features.push_back("-vfp4");
|
|
Features.push_back("-fp-armv8");
|
|
Features.push_back("-crypto");
|
|
Features.push_back("-neon");
|
|
} else
|
|
D.Diag(diag::err_drv_clang_unsupported) << A->getAsString(Args);
|
|
}
|
|
|
|
// Select the float ABI as determined by -msoft-float, -mhard-float, and
|
|
// -mfloat-abi=.
|
|
StringRef tools::arm::getARMFloatABI(const Driver &D, const ArgList &Args,
|
|
const llvm::Triple &Triple) {
|
|
StringRef FloatABI;
|
|
if (Arg *A = Args.getLastArg(options::OPT_msoft_float,
|
|
options::OPT_mhard_float,
|
|
options::OPT_mfloat_abi_EQ)) {
|
|
if (A->getOption().matches(options::OPT_msoft_float))
|
|
FloatABI = "soft";
|
|
else if (A->getOption().matches(options::OPT_mhard_float))
|
|
FloatABI = "hard";
|
|
else {
|
|
FloatABI = A->getValue();
|
|
if (FloatABI != "soft" && FloatABI != "softfp" && FloatABI != "hard") {
|
|
D.Diag(diag::err_drv_invalid_mfloat_abi)
|
|
<< A->getAsString(Args);
|
|
FloatABI = "soft";
|
|
}
|
|
}
|
|
}
|
|
|
|
// If unspecified, choose the default based on the platform.
|
|
if (FloatABI.empty()) {
|
|
switch (Triple.getOS()) {
|
|
case llvm::Triple::Darwin:
|
|
case llvm::Triple::MacOSX:
|
|
case llvm::Triple::IOS: {
|
|
// Darwin defaults to "softfp" for v6 and v7.
|
|
//
|
|
// FIXME: Factor out an ARM class so we can cache the arch somewhere.
|
|
std::string ArchName =
|
|
arm::getLLVMArchSuffixForARM(arm::getARMTargetCPU(Args, Triple));
|
|
if (StringRef(ArchName).startswith("v6") ||
|
|
StringRef(ArchName).startswith("v7"))
|
|
FloatABI = "softfp";
|
|
else
|
|
FloatABI = "soft";
|
|
break;
|
|
}
|
|
|
|
case llvm::Triple::FreeBSD:
|
|
switch(Triple.getEnvironment()) {
|
|
case llvm::Triple::GNUEABIHF:
|
|
FloatABI = "hard";
|
|
break;
|
|
default:
|
|
// FreeBSD defaults to soft float
|
|
FloatABI = "soft";
|
|
break;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
switch(Triple.getEnvironment()) {
|
|
case llvm::Triple::GNUEABIHF:
|
|
FloatABI = "hard";
|
|
break;
|
|
case llvm::Triple::GNUEABI:
|
|
FloatABI = "softfp";
|
|
break;
|
|
case llvm::Triple::EABIHF:
|
|
FloatABI = "hard";
|
|
break;
|
|
case llvm::Triple::EABI:
|
|
// EABI is always AAPCS, and if it was not marked 'hard', it's softfp
|
|
FloatABI = "softfp";
|
|
break;
|
|
case llvm::Triple::Android: {
|
|
std::string ArchName =
|
|
arm::getLLVMArchSuffixForARM(arm::getARMTargetCPU(Args, Triple));
|
|
if (StringRef(ArchName).startswith("v7"))
|
|
FloatABI = "softfp";
|
|
else
|
|
FloatABI = "soft";
|
|
break;
|
|
}
|
|
default:
|
|
// Assume "soft", but warn the user we are guessing.
|
|
FloatABI = "soft";
|
|
// *-macho defaults to "soft"
|
|
if (Triple.getOS() == llvm::Triple::UnknownOS &&
|
|
Triple.getObjectFormat() == llvm::Triple::MachO)
|
|
break;
|
|
D.Diag(diag::warn_drv_assuming_mfloat_abi_is) << "soft";
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
return FloatABI;
|
|
}
|
|
|
|
static void getARMTargetFeatures(const Driver &D, const llvm::Triple &Triple,
|
|
const ArgList &Args,
|
|
std::vector<const char *> &Features,
|
|
bool ForAS) {
|
|
StringRef FloatABI = tools::arm::getARMFloatABI(D, Args, Triple);
|
|
if (!ForAS) {
|
|
// FIXME: Note, this is a hack, the LLVM backend doesn't actually use these
|
|
// yet (it uses the -mfloat-abi and -msoft-float options), and it is
|
|
// stripped out by the ARM target. We should probably pass this a new
|
|
// -target-option, which is handled by the -cc1/-cc1as invocation.
|
|
//
|
|
// FIXME2: For consistency, it would be ideal if we set up the target
|
|
// machine state the same when using the frontend or the assembler. We don't
|
|
// currently do that for the assembler, we pass the options directly to the
|
|
// backend and never even instantiate the frontend TargetInfo. If we did,
|
|
// and used its handleTargetFeatures hook, then we could ensure the
|
|
// assembler and the frontend behave the same.
|
|
|
|
// Use software floating point operations?
|
|
if (FloatABI == "soft")
|
|
Features.push_back("+soft-float");
|
|
|
|
// Use software floating point argument passing?
|
|
if (FloatABI != "hard")
|
|
Features.push_back("+soft-float-abi");
|
|
}
|
|
|
|
// Honor -mfpu=.
|
|
if (const Arg *A = Args.getLastArg(options::OPT_mfpu_EQ))
|
|
getARMFPUFeatures(D, A, Args, Features);
|
|
if (const Arg *A = Args.getLastArg(options::OPT_mhwdiv_EQ))
|
|
getARMHWDivFeatures(D, A, Args, Features);
|
|
|
|
// Setting -msoft-float effectively disables NEON because of the GCC
|
|
// implementation, although the same isn't true of VFP or VFP3.
|
|
if (FloatABI == "soft") {
|
|
Features.push_back("-neon");
|
|
// Also need to explicitly disable features which imply NEON.
|
|
Features.push_back("-crypto");
|
|
}
|
|
|
|
// En/disable crc
|
|
if (Arg *A = Args.getLastArg(options::OPT_mcrc,
|
|
options::OPT_mnocrc)) {
|
|
if (A->getOption().matches(options::OPT_mcrc))
|
|
Features.push_back("+crc");
|
|
else
|
|
Features.push_back("-crc");
|
|
}
|
|
}
|
|
|
|
void Clang::AddARMTargetArgs(const ArgList &Args,
|
|
ArgStringList &CmdArgs,
|
|
bool KernelOrKext) const {
|
|
const Driver &D = getToolChain().getDriver();
|
|
// Get the effective triple, which takes into account the deployment target.
|
|
std::string TripleStr = getToolChain().ComputeEffectiveClangTriple(Args);
|
|
llvm::Triple Triple(TripleStr);
|
|
std::string CPUName = arm::getARMTargetCPU(Args, Triple);
|
|
|
|
// Select the ABI to use.
|
|
//
|
|
// FIXME: Support -meabi.
|
|
const char *ABIName = 0;
|
|
if (Arg *A = Args.getLastArg(options::OPT_mabi_EQ)) {
|
|
ABIName = A->getValue();
|
|
} else if (Triple.isOSDarwin()) {
|
|
// The backend is hardwired to assume AAPCS for M-class processors, ensure
|
|
// the frontend matches that.
|
|
if (Triple.getEnvironment() == llvm::Triple::EABI ||
|
|
(Triple.getOS() == llvm::Triple::UnknownOS &&
|
|
Triple.getObjectFormat() == llvm::Triple::MachO) ||
|
|
StringRef(CPUName).startswith("cortex-m")) {
|
|
ABIName = "aapcs";
|
|
} else {
|
|
ABIName = "apcs-gnu";
|
|
}
|
|
} else {
|
|
// Select the default based on the platform.
|
|
switch(Triple.getEnvironment()) {
|
|
case llvm::Triple::Android:
|
|
case llvm::Triple::GNUEABI:
|
|
case llvm::Triple::GNUEABIHF:
|
|
ABIName = "aapcs-linux";
|
|
break;
|
|
case llvm::Triple::EABIHF:
|
|
case llvm::Triple::EABI:
|
|
ABIName = "aapcs";
|
|
break;
|
|
default:
|
|
ABIName = "apcs-gnu";
|
|
}
|
|
}
|
|
CmdArgs.push_back("-target-abi");
|
|
CmdArgs.push_back(ABIName);
|
|
|
|
// Determine floating point ABI from the options & target defaults.
|
|
StringRef FloatABI = tools::arm::getARMFloatABI(D, Args, Triple);
|
|
if (FloatABI == "soft") {
|
|
// Floating point operations and argument passing are soft.
|
|
//
|
|
// FIXME: This changes CPP defines, we need -target-soft-float.
|
|
CmdArgs.push_back("-msoft-float");
|
|
CmdArgs.push_back("-mfloat-abi");
|
|
CmdArgs.push_back("soft");
|
|
} else if (FloatABI == "softfp") {
|
|
// Floating point operations are hard, but argument passing is soft.
|
|
CmdArgs.push_back("-mfloat-abi");
|
|
CmdArgs.push_back("soft");
|
|
} else {
|
|
// Floating point operations and argument passing are hard.
|
|
assert(FloatABI == "hard" && "Invalid float abi!");
|
|
CmdArgs.push_back("-mfloat-abi");
|
|
CmdArgs.push_back("hard");
|
|
}
|
|
|
|
// Kernel code has more strict alignment requirements.
|
|
if (KernelOrKext) {
|
|
if (!Triple.isiOS() || Triple.isOSVersionLT(6)) {
|
|
CmdArgs.push_back("-backend-option");
|
|
CmdArgs.push_back("-arm-long-calls");
|
|
}
|
|
|
|
CmdArgs.push_back("-backend-option");
|
|
CmdArgs.push_back("-arm-strict-align");
|
|
|
|
// The kext linker doesn't know how to deal with movw/movt.
|
|
CmdArgs.push_back("-backend-option");
|
|
CmdArgs.push_back("-arm-use-movt=0");
|
|
}
|
|
|
|
// Setting -mno-global-merge disables the codegen global merge pass. Setting
|
|
// -mglobal-merge has no effect as the pass is enabled by default.
|
|
if (Arg *A = Args.getLastArg(options::OPT_mglobal_merge,
|
|
options::OPT_mno_global_merge)) {
|
|
if (A->getOption().matches(options::OPT_mno_global_merge))
|
|
CmdArgs.push_back("-mno-global-merge");
|
|
}
|
|
|
|
if (!Args.hasFlag(options::OPT_mimplicit_float,
|
|
options::OPT_mno_implicit_float,
|
|
true))
|
|
CmdArgs.push_back("-no-implicit-float");
|
|
|
|
// llvm does not support reserving registers in general. There is support
|
|
// for reserving r9 on ARM though (defined as a platform-specific register
|
|
// in ARM EABI).
|
|
if (Args.hasArg(options::OPT_ffixed_r9)) {
|
|
CmdArgs.push_back("-backend-option");
|
|
CmdArgs.push_back("-arm-reserve-r9");
|
|
}
|
|
}
|
|
|
|
// Get CPU and ABI names. They are not independent
|
|
// so we have to calculate them together.
|
|
static void getMipsCPUAndABI(const ArgList &Args,
|
|
const llvm::Triple &Triple,
|
|
StringRef &CPUName,
|
|
StringRef &ABIName) {
|
|
const char *DefMips32CPU = "mips32r2";
|
|
const char *DefMips64CPU = "mips64r2";
|
|
|
|
if (Arg *A = Args.getLastArg(options::OPT_march_EQ,
|
|
options::OPT_mcpu_EQ))
|
|
CPUName = A->getValue();
|
|
|
|
if (Arg *A = Args.getLastArg(options::OPT_mabi_EQ)) {
|
|
ABIName = A->getValue();
|
|
// Convert a GNU style Mips ABI name to the name
|
|
// accepted by LLVM Mips backend.
|
|
ABIName = llvm::StringSwitch<llvm::StringRef>(ABIName)
|
|
.Case("32", "o32")
|
|
.Case("64", "n64")
|
|
.Default(ABIName);
|
|
}
|
|
|
|
// Setup default CPU and ABI names.
|
|
if (CPUName.empty() && ABIName.empty()) {
|
|
switch (Triple.getArch()) {
|
|
default:
|
|
llvm_unreachable("Unexpected triple arch name");
|
|
case llvm::Triple::mips:
|
|
case llvm::Triple::mipsel:
|
|
CPUName = DefMips32CPU;
|
|
break;
|
|
case llvm::Triple::mips64:
|
|
case llvm::Triple::mips64el:
|
|
CPUName = DefMips64CPU;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!ABIName.empty()) {
|
|
// Deduce CPU name from ABI name.
|
|
CPUName = llvm::StringSwitch<const char *>(ABIName)
|
|
.Cases("32", "o32", "eabi", DefMips32CPU)
|
|
.Cases("n32", "n64", "64", DefMips64CPU)
|
|
.Default("");
|
|
}
|
|
else if (!CPUName.empty()) {
|
|
// Deduce ABI name from CPU name.
|
|
ABIName = llvm::StringSwitch<const char *>(CPUName)
|
|
.Cases("mips32", "mips32r2", "o32")
|
|
.Cases("mips64", "mips64r2", "n64")
|
|
.Default("");
|
|
}
|
|
|
|
// FIXME: Warn on inconsistent cpu and abi usage.
|
|
}
|
|
|
|
// Convert ABI name to the GNU tools acceptable variant.
|
|
static StringRef getGnuCompatibleMipsABIName(StringRef ABI) {
|
|
return llvm::StringSwitch<llvm::StringRef>(ABI)
|
|
.Case("o32", "32")
|
|
.Case("n64", "64")
|
|
.Default(ABI);
|
|
}
|
|
|
|
// Select the MIPS float ABI as determined by -msoft-float, -mhard-float,
|
|
// and -mfloat-abi=.
|
|
static StringRef getMipsFloatABI(const Driver &D, const ArgList &Args) {
|
|
StringRef FloatABI;
|
|
if (Arg *A = Args.getLastArg(options::OPT_msoft_float,
|
|
options::OPT_mhard_float,
|
|
options::OPT_mfloat_abi_EQ)) {
|
|
if (A->getOption().matches(options::OPT_msoft_float))
|
|
FloatABI = "soft";
|
|
else if (A->getOption().matches(options::OPT_mhard_float))
|
|
FloatABI = "hard";
|
|
else {
|
|
FloatABI = A->getValue();
|
|
if (FloatABI != "soft" && FloatABI != "hard") {
|
|
D.Diag(diag::err_drv_invalid_mfloat_abi) << A->getAsString(Args);
|
|
FloatABI = "hard";
|
|
}
|
|
}
|
|
}
|
|
|
|
// If unspecified, choose the default based on the platform.
|
|
if (FloatABI.empty()) {
|
|
// Assume "hard", because it's a default value used by gcc.
|
|
// When we start to recognize specific target MIPS processors,
|
|
// we will be able to select the default more correctly.
|
|
FloatABI = "hard";
|
|
}
|
|
|
|
return FloatABI;
|
|
}
|
|
|
|
static void AddTargetFeature(const ArgList &Args,
|
|
std::vector<const char *> &Features,
|
|
OptSpecifier OnOpt, OptSpecifier OffOpt,
|
|
StringRef FeatureName) {
|
|
if (Arg *A = Args.getLastArg(OnOpt, OffOpt)) {
|
|
if (A->getOption().matches(OnOpt))
|
|
Features.push_back(Args.MakeArgString("+" + FeatureName));
|
|
else
|
|
Features.push_back(Args.MakeArgString("-" + FeatureName));
|
|
}
|
|
}
|
|
|
|
static void getMIPSTargetFeatures(const Driver &D, const ArgList &Args,
|
|
std::vector<const char *> &Features) {
|
|
StringRef FloatABI = getMipsFloatABI(D, Args);
|
|
if (FloatABI == "soft") {
|
|
// FIXME: Note, this is a hack. We need to pass the selected float
|
|
// mode to the MipsTargetInfoBase to define appropriate macros there.
|
|
// Now it is the only method.
|
|
Features.push_back("+soft-float");
|
|
}
|
|
|
|
if (Arg *A = Args.getLastArg(options::OPT_mnan_EQ)) {
|
|
if (StringRef(A->getValue()) == "2008")
|
|
Features.push_back("+nan2008");
|
|
}
|
|
|
|
AddTargetFeature(Args, Features, options::OPT_msingle_float,
|
|
options::OPT_mdouble_float, "single-float");
|
|
AddTargetFeature(Args, Features, options::OPT_mips16, options::OPT_mno_mips16,
|
|
"mips16");
|
|
AddTargetFeature(Args, Features, options::OPT_mmicromips,
|
|
options::OPT_mno_micromips, "micromips");
|
|
AddTargetFeature(Args, Features, options::OPT_mdsp, options::OPT_mno_dsp,
|
|
"dsp");
|
|
AddTargetFeature(Args, Features, options::OPT_mdspr2, options::OPT_mno_dspr2,
|
|
"dspr2");
|
|
AddTargetFeature(Args, Features, options::OPT_mmsa, options::OPT_mno_msa,
|
|
"msa");
|
|
AddTargetFeature(Args, Features, options::OPT_mfp64, options::OPT_mfp32,
|
|
"fp64");
|
|
}
|
|
|
|
void Clang::AddMIPSTargetArgs(const ArgList &Args,
|
|
ArgStringList &CmdArgs) const {
|
|
const Driver &D = getToolChain().getDriver();
|
|
StringRef CPUName;
|
|
StringRef ABIName;
|
|
const llvm::Triple &Triple = getToolChain().getTriple();
|
|
getMipsCPUAndABI(Args, Triple, CPUName, ABIName);
|
|
|
|
CmdArgs.push_back("-target-abi");
|
|
CmdArgs.push_back(ABIName.data());
|
|
|
|
StringRef FloatABI = getMipsFloatABI(D, Args);
|
|
|
|
if (FloatABI == "soft") {
|
|
// Floating point operations and argument passing are soft.
|
|
CmdArgs.push_back("-msoft-float");
|
|
CmdArgs.push_back("-mfloat-abi");
|
|
CmdArgs.push_back("soft");
|
|
}
|
|
else {
|
|
// Floating point operations and argument passing are hard.
|
|
assert(FloatABI == "hard" && "Invalid float abi!");
|
|
CmdArgs.push_back("-mfloat-abi");
|
|
CmdArgs.push_back("hard");
|
|
}
|
|
|
|
if (Arg *A = Args.getLastArg(options::OPT_mxgot, options::OPT_mno_xgot)) {
|
|
if (A->getOption().matches(options::OPT_mxgot)) {
|
|
CmdArgs.push_back("-mllvm");
|
|
CmdArgs.push_back("-mxgot");
|
|
}
|
|
}
|
|
|
|
if (Arg *A = Args.getLastArg(options::OPT_mldc1_sdc1,
|
|
options::OPT_mno_ldc1_sdc1)) {
|
|
if (A->getOption().matches(options::OPT_mno_ldc1_sdc1)) {
|
|
CmdArgs.push_back("-mllvm");
|
|
CmdArgs.push_back("-mno-ldc1-sdc1");
|
|
}
|
|
}
|
|
|
|
if (Arg *A = Args.getLastArg(options::OPT_mcheck_zero_division,
|
|
options::OPT_mno_check_zero_division)) {
|
|
if (A->getOption().matches(options::OPT_mno_check_zero_division)) {
|
|
CmdArgs.push_back("-mllvm");
|
|
CmdArgs.push_back("-mno-check-zero-division");
|
|
}
|
|
}
|
|
|
|
if (Arg *A = Args.getLastArg(options::OPT_G)) {
|
|
StringRef v = A->getValue();
|
|
CmdArgs.push_back("-mllvm");
|
|
CmdArgs.push_back(Args.MakeArgString("-mips-ssection-threshold=" + v));
|
|
A->claim();
|
|
}
|
|
}
|
|
|
|
/// getPPCTargetCPU - Get the (LLVM) name of the PowerPC cpu we are targeting.
|
|
static std::string getPPCTargetCPU(const ArgList &Args) {
|
|
if (Arg *A = Args.getLastArg(options::OPT_mcpu_EQ)) {
|
|
StringRef CPUName = A->getValue();
|
|
|
|
if (CPUName == "native") {
|
|
std::string CPU = llvm::sys::getHostCPUName();
|
|
if (!CPU.empty() && CPU != "generic")
|
|
return CPU;
|
|
else
|
|
return "";
|
|
}
|
|
|
|
return llvm::StringSwitch<const char *>(CPUName)
|
|
.Case("common", "generic")
|
|
.Case("440", "440")
|
|
.Case("440fp", "440")
|
|
.Case("450", "450")
|
|
.Case("601", "601")
|
|
.Case("602", "602")
|
|
.Case("603", "603")
|
|
.Case("603e", "603e")
|
|
.Case("603ev", "603ev")
|
|
.Case("604", "604")
|
|
.Case("604e", "604e")
|
|
.Case("620", "620")
|
|
.Case("630", "pwr3")
|
|
.Case("G3", "g3")
|
|
.Case("7400", "7400")
|
|
.Case("G4", "g4")
|
|
.Case("7450", "7450")
|
|
.Case("G4+", "g4+")
|
|
.Case("750", "750")
|
|
.Case("970", "970")
|
|
.Case("G5", "g5")
|
|
.Case("a2", "a2")
|
|
.Case("a2q", "a2q")
|
|
.Case("e500mc", "e500mc")
|
|
.Case("e5500", "e5500")
|
|
.Case("power3", "pwr3")
|
|
.Case("power4", "pwr4")
|
|
.Case("power5", "pwr5")
|
|
.Case("power5x", "pwr5x")
|
|
.Case("power6", "pwr6")
|
|
.Case("power6x", "pwr6x")
|
|
.Case("power7", "pwr7")
|
|
.Case("pwr3", "pwr3")
|
|
.Case("pwr4", "pwr4")
|
|
.Case("pwr5", "pwr5")
|
|
.Case("pwr5x", "pwr5x")
|
|
.Case("pwr6", "pwr6")
|
|
.Case("pwr6x", "pwr6x")
|
|
.Case("pwr7", "pwr7")
|
|
.Case("powerpc", "ppc")
|
|
.Case("powerpc64", "ppc64")
|
|
.Case("powerpc64le", "ppc64le")
|
|
.Default("");
|
|
}
|
|
|
|
return "";
|
|
}
|
|
|
|
static void getPPCTargetFeatures(const ArgList &Args,
|
|
std::vector<const char *> &Features) {
|
|
for (arg_iterator it = Args.filtered_begin(options::OPT_m_ppc_Features_Group),
|
|
ie = Args.filtered_end();
|
|
it != ie; ++it) {
|
|
StringRef Name = (*it)->getOption().getName();
|
|
(*it)->claim();
|
|
|
|
// Skip over "-m".
|
|
assert(Name.startswith("m") && "Invalid feature name.");
|
|
Name = Name.substr(1);
|
|
|
|
bool IsNegative = Name.startswith("no-");
|
|
if (IsNegative)
|
|
Name = Name.substr(3);
|
|
|
|
// Note that gcc calls this mfcrf and LLVM calls this mfocrf so we
|
|
// pass the correct option to the backend while calling the frontend
|
|
// option the same.
|
|
// TODO: Change the LLVM backend option maybe?
|
|
if (Name == "mfcrf")
|
|
Name = "mfocrf";
|
|
|
|
Features.push_back(Args.MakeArgString((IsNegative ? "-" : "+") + Name));
|
|
}
|
|
|
|
// Altivec is a bit weird, allow overriding of the Altivec feature here.
|
|
AddTargetFeature(Args, Features, options::OPT_faltivec,
|
|
options::OPT_fno_altivec, "altivec");
|
|
}
|
|
|
|
/// Get the (LLVM) name of the R600 gpu we are targeting.
|
|
static std::string getR600TargetGPU(const ArgList &Args) {
|
|
if (Arg *A = Args.getLastArg(options::OPT_mcpu_EQ)) {
|
|
const char *GPUName = A->getValue();
|
|
return llvm::StringSwitch<const char *>(GPUName)
|
|
.Cases("rv630", "rv635", "r600")
|
|
.Cases("rv610", "rv620", "rs780", "rs880")
|
|
.Case("rv740", "rv770")
|
|
.Case("palm", "cedar")
|
|
.Cases("sumo", "sumo2", "sumo")
|
|
.Case("hemlock", "cypress")
|
|
.Case("aruba", "cayman")
|
|
.Default(GPUName);
|
|
}
|
|
return "";
|
|
}
|
|
|
|
static void getSparcTargetFeatures(const ArgList &Args,
|
|
std::vector<const char *> Features) {
|
|
bool SoftFloatABI = true;
|
|
if (Arg *A =
|
|
Args.getLastArg(options::OPT_msoft_float, options::OPT_mhard_float)) {
|
|
if (A->getOption().matches(options::OPT_mhard_float))
|
|
SoftFloatABI = false;
|
|
}
|
|
if (SoftFloatABI)
|
|
Features.push_back("+soft-float");
|
|
}
|
|
|
|
void Clang::AddSparcTargetArgs(const ArgList &Args,
|
|
ArgStringList &CmdArgs) const {
|
|
const Driver &D = getToolChain().getDriver();
|
|
|
|
// Select the float ABI as determined by -msoft-float, -mhard-float, and
|
|
StringRef FloatABI;
|
|
if (Arg *A = Args.getLastArg(options::OPT_msoft_float,
|
|
options::OPT_mhard_float)) {
|
|
if (A->getOption().matches(options::OPT_msoft_float))
|
|
FloatABI = "soft";
|
|
else if (A->getOption().matches(options::OPT_mhard_float))
|
|
FloatABI = "hard";
|
|
}
|
|
|
|
// If unspecified, choose the default based on the platform.
|
|
if (FloatABI.empty()) {
|
|
// Assume "soft", but warn the user we are guessing.
|
|
FloatABI = "soft";
|
|
D.Diag(diag::warn_drv_assuming_mfloat_abi_is) << "soft";
|
|
}
|
|
|
|
if (FloatABI == "soft") {
|
|
// Floating point operations and argument passing are soft.
|
|
//
|
|
// FIXME: This changes CPP defines, we need -target-soft-float.
|
|
CmdArgs.push_back("-msoft-float");
|
|
} else {
|
|
assert(FloatABI == "hard" && "Invalid float abi!");
|
|
CmdArgs.push_back("-mhard-float");
|
|
}
|
|
}
|
|
|
|
static const char *getSystemZTargetCPU(const ArgList &Args) {
|
|
if (const Arg *A = Args.getLastArg(options::OPT_march_EQ))
|
|
return A->getValue();
|
|
return "z10";
|
|
}
|
|
|
|
static const char *getX86TargetCPU(const ArgList &Args,
|
|
const llvm::Triple &Triple) {
|
|
if (const Arg *A = Args.getLastArg(options::OPT_march_EQ)) {
|
|
if (StringRef(A->getValue()) != "native") {
|
|
if (Triple.isOSDarwin() && Triple.getArchName() == "x86_64h")
|
|
return "core-avx2";
|
|
|
|
return A->getValue();
|
|
}
|
|
|
|
// FIXME: Reject attempts to use -march=native unless the target matches
|
|
// the host.
|
|
//
|
|
// FIXME: We should also incorporate the detected target features for use
|
|
// with -native.
|
|
std::string CPU = llvm::sys::getHostCPUName();
|
|
if (!CPU.empty() && CPU != "generic")
|
|
return Args.MakeArgString(CPU);
|
|
}
|
|
|
|
// Select the default CPU if none was given (or detection failed).
|
|
|
|
if (Triple.getArch() != llvm::Triple::x86_64 &&
|
|
Triple.getArch() != llvm::Triple::x86)
|
|
return 0; // This routine is only handling x86 targets.
|
|
|
|
bool Is64Bit = Triple.getArch() == llvm::Triple::x86_64;
|
|
|
|
// FIXME: Need target hooks.
|
|
if (Triple.isOSDarwin()) {
|
|
if (Triple.getArchName() == "x86_64h")
|
|
return "core-avx2";
|
|
return Is64Bit ? "core2" : "yonah";
|
|
}
|
|
|
|
// On Android use targets compatible with gcc
|
|
if (Triple.getEnvironment() == llvm::Triple::Android)
|
|
return Is64Bit ? "x86-64" : "i686";
|
|
|
|
// Everything else goes to x86-64 in 64-bit mode.
|
|
if (Is64Bit)
|
|
return "x86-64";
|
|
|
|
switch (Triple.getOS()) {
|
|
case llvm::Triple::FreeBSD:
|
|
case llvm::Triple::NetBSD:
|
|
case llvm::Triple::OpenBSD:
|
|
return "i486";
|
|
case llvm::Triple::Haiku:
|
|
return "i586";
|
|
case llvm::Triple::Bitrig:
|
|
return "i686";
|
|
default:
|
|
// Fallback to p4.
|
|
return "pentium4";
|
|
}
|
|
}
|
|
|
|
static std::string getCPUName(const ArgList &Args, const llvm::Triple &T) {
|
|
switch(T.getArch()) {
|
|
default:
|
|
return "";
|
|
|
|
case llvm::Triple::aarch64:
|
|
case llvm::Triple::aarch64_be:
|
|
return getAArch64TargetCPU(Args, T);
|
|
|
|
case llvm::Triple::arm:
|
|
case llvm::Triple::thumb:
|
|
return arm::getARMTargetCPU(Args, T);
|
|
|
|
case llvm::Triple::mips:
|
|
case llvm::Triple::mipsel:
|
|
case llvm::Triple::mips64:
|
|
case llvm::Triple::mips64el: {
|
|
StringRef CPUName;
|
|
StringRef ABIName;
|
|
getMipsCPUAndABI(Args, T, CPUName, ABIName);
|
|
return CPUName;
|
|
}
|
|
|
|
case llvm::Triple::ppc:
|
|
case llvm::Triple::ppc64:
|
|
case llvm::Triple::ppc64le: {
|
|
std::string TargetCPUName = getPPCTargetCPU(Args);
|
|
// LLVM may default to generating code for the native CPU,
|
|
// but, like gcc, we default to a more generic option for
|
|
// each architecture. (except on Darwin)
|
|
if (TargetCPUName.empty() && !T.isOSDarwin()) {
|
|
if (T.getArch() == llvm::Triple::ppc64)
|
|
TargetCPUName = "ppc64";
|
|
else if (T.getArch() == llvm::Triple::ppc64le)
|
|
TargetCPUName = "ppc64le";
|
|
else
|
|
TargetCPUName = "ppc";
|
|
}
|
|
return TargetCPUName;
|
|
}
|
|
|
|
case llvm::Triple::sparc:
|
|
case llvm::Triple::sparcv9:
|
|
if (const Arg *A = Args.getLastArg(options::OPT_mcpu_EQ))
|
|
return A->getValue();
|
|
return "";
|
|
|
|
case llvm::Triple::x86:
|
|
case llvm::Triple::x86_64:
|
|
return getX86TargetCPU(Args, T);
|
|
|
|
case llvm::Triple::hexagon:
|
|
return "hexagon" + toolchains::Hexagon_TC::GetTargetCPU(Args).str();
|
|
|
|
case llvm::Triple::systemz:
|
|
return getSystemZTargetCPU(Args);
|
|
|
|
case llvm::Triple::r600:
|
|
return getR600TargetGPU(Args);
|
|
}
|
|
}
|
|
|
|
static void AddGoldPlugin(const ToolChain &ToolChain, const ArgList &Args,
|
|
ArgStringList &CmdArgs) {
|
|
// Tell the linker to load the plugin. This has to come before AddLinkerInputs
|
|
// as gold requires -plugin to come before any -plugin-opt that -Wl might
|
|
// forward.
|
|
CmdArgs.push_back("-plugin");
|
|
std::string Plugin = ToolChain.getDriver().Dir + "/../lib/LLVMgold.so";
|
|
CmdArgs.push_back(Args.MakeArgString(Plugin));
|
|
|
|
// Try to pass driver level flags relevant to LTO code generation down to
|
|
// the plugin.
|
|
|
|
// Handle flags for selecting CPU variants.
|
|
std::string CPU = getCPUName(Args, ToolChain.getTriple());
|
|
if (!CPU.empty())
|
|
CmdArgs.push_back(Args.MakeArgString(Twine("-plugin-opt=mcpu=") + CPU));
|
|
}
|
|
|
|
static void getX86TargetFeatures(const llvm::Triple &Triple,
|
|
const ArgList &Args,
|
|
std::vector<const char *> &Features) {
|
|
if (Triple.getArchName() == "x86_64h") {
|
|
// x86_64h implies quite a few of the more modern subtarget features
|
|
// for Haswell class CPUs, but not all of them. Opt-out of a few.
|
|
Features.push_back("-rdrnd");
|
|
Features.push_back("-aes");
|
|
Features.push_back("-pclmul");
|
|
Features.push_back("-rtm");
|
|
Features.push_back("-hle");
|
|
Features.push_back("-fsgsbase");
|
|
}
|
|
|
|
if (Triple.getEnvironment() == llvm::Triple::Android) {
|
|
// Add sse3 feature to comply with gcc on Android
|
|
Features.push_back("+sse3");
|
|
}
|
|
|
|
// Now add any that the user explicitly requested on the command line,
|
|
// which may override the defaults.
|
|
for (arg_iterator it = Args.filtered_begin(options::OPT_m_x86_Features_Group),
|
|
ie = Args.filtered_end();
|
|
it != ie; ++it) {
|
|
StringRef Name = (*it)->getOption().getName();
|
|
(*it)->claim();
|
|
|
|
// Skip over "-m".
|
|
assert(Name.startswith("m") && "Invalid feature name.");
|
|
Name = Name.substr(1);
|
|
|
|
bool IsNegative = Name.startswith("no-");
|
|
if (IsNegative)
|
|
Name = Name.substr(3);
|
|
|
|
Features.push_back(Args.MakeArgString((IsNegative ? "-" : "+") + Name));
|
|
}
|
|
}
|
|
|
|
void Clang::AddX86TargetArgs(const ArgList &Args,
|
|
ArgStringList &CmdArgs) const {
|
|
if (!Args.hasFlag(options::OPT_mred_zone,
|
|
options::OPT_mno_red_zone,
|
|
true) ||
|
|
Args.hasArg(options::OPT_mkernel) ||
|
|
Args.hasArg(options::OPT_fapple_kext))
|
|
CmdArgs.push_back("-disable-red-zone");
|
|
|
|
// Default to avoid implicit floating-point for kernel/kext code, but allow
|
|
// that to be overridden with -mno-soft-float.
|
|
bool NoImplicitFloat = (Args.hasArg(options::OPT_mkernel) ||
|
|
Args.hasArg(options::OPT_fapple_kext));
|
|
if (Arg *A = Args.getLastArg(options::OPT_msoft_float,
|
|
options::OPT_mno_soft_float,
|
|
options::OPT_mimplicit_float,
|
|
options::OPT_mno_implicit_float)) {
|
|
const Option &O = A->getOption();
|
|
NoImplicitFloat = (O.matches(options::OPT_mno_implicit_float) ||
|
|
O.matches(options::OPT_msoft_float));
|
|
}
|
|
if (NoImplicitFloat)
|
|
CmdArgs.push_back("-no-implicit-float");
|
|
}
|
|
|
|
static inline bool HasPICArg(const ArgList &Args) {
|
|
return Args.hasArg(options::OPT_fPIC)
|
|
|| Args.hasArg(options::OPT_fpic);
|
|
}
|
|
|
|
static Arg *GetLastSmallDataThresholdArg(const ArgList &Args) {
|
|
return Args.getLastArg(options::OPT_G,
|
|
options::OPT_G_EQ,
|
|
options::OPT_msmall_data_threshold_EQ);
|
|
}
|
|
|
|
static std::string GetHexagonSmallDataThresholdValue(const ArgList &Args) {
|
|
std::string value;
|
|
if (HasPICArg(Args))
|
|
value = "0";
|
|
else if (Arg *A = GetLastSmallDataThresholdArg(Args)) {
|
|
value = A->getValue();
|
|
A->claim();
|
|
}
|
|
return value;
|
|
}
|
|
|
|
void Clang::AddHexagonTargetArgs(const ArgList &Args,
|
|
ArgStringList &CmdArgs) const {
|
|
CmdArgs.push_back("-fno-signed-char");
|
|
CmdArgs.push_back("-mqdsp6-compat");
|
|
CmdArgs.push_back("-Wreturn-type");
|
|
|
|
std::string SmallDataThreshold = GetHexagonSmallDataThresholdValue(Args);
|
|
if (!SmallDataThreshold.empty()) {
|
|
CmdArgs.push_back ("-mllvm");
|
|
CmdArgs.push_back(Args.MakeArgString(
|
|
"-hexagon-small-data-threshold=" + SmallDataThreshold));
|
|
}
|
|
|
|
if (!Args.hasArg(options::OPT_fno_short_enums))
|
|
CmdArgs.push_back("-fshort-enums");
|
|
if (Args.getLastArg(options::OPT_mieee_rnd_near)) {
|
|
CmdArgs.push_back ("-mllvm");
|
|
CmdArgs.push_back ("-enable-hexagon-ieee-rnd-near");
|
|
}
|
|
CmdArgs.push_back ("-mllvm");
|
|
CmdArgs.push_back ("-machine-sink-split=0");
|
|
}
|
|
|
|
static void getAArch64TargetFeatures(const Driver &D, const ArgList &Args,
|
|
std::vector<const char *> &Features) {
|
|
// Honor -mfpu=.
|
|
if (const Arg *A = Args.getLastArg(options::OPT_mfpu_EQ))
|
|
getAArch64FPUFeatures(D, A, Args, Features);
|
|
else
|
|
Features.push_back("+neon");
|
|
|
|
if (Args.getLastArg(options::OPT_mgeneral_regs_only)) {
|
|
Features.push_back("-fp-armv8");
|
|
Features.push_back("-crypto");
|
|
Features.push_back("-neon");
|
|
}
|
|
}
|
|
|
|
static void getTargetFeatures(const Driver &D, const llvm::Triple &Triple,
|
|
const ArgList &Args, ArgStringList &CmdArgs,
|
|
bool ForAS) {
|
|
std::vector<const char *> Features;
|
|
switch (Triple.getArch()) {
|
|
default:
|
|
break;
|
|
case llvm::Triple::mips:
|
|
case llvm::Triple::mipsel:
|
|
case llvm::Triple::mips64:
|
|
case llvm::Triple::mips64el:
|
|
getMIPSTargetFeatures(D, Args, Features);
|
|
break;
|
|
|
|
case llvm::Triple::arm:
|
|
case llvm::Triple::thumb:
|
|
getARMTargetFeatures(D, Triple, Args, Features, ForAS);
|
|
break;
|
|
|
|
case llvm::Triple::ppc:
|
|
case llvm::Triple::ppc64:
|
|
case llvm::Triple::ppc64le:
|
|
getPPCTargetFeatures(Args, Features);
|
|
break;
|
|
case llvm::Triple::sparc:
|
|
getSparcTargetFeatures(Args, Features);
|
|
break;
|
|
case llvm::Triple::aarch64:
|
|
case llvm::Triple::aarch64_be:
|
|
getAArch64TargetFeatures(D, Args, Features);
|
|
break;
|
|
case llvm::Triple::x86:
|
|
case llvm::Triple::x86_64:
|
|
getX86TargetFeatures(Triple, Args, Features);
|
|
break;
|
|
}
|
|
|
|
// Find the last of each feature.
|
|
llvm::StringMap<unsigned> LastOpt;
|
|
for (unsigned I = 0, N = Features.size(); I < N; ++I) {
|
|
const char *Name = Features[I];
|
|
assert(Name[0] == '-' || Name[0] == '+');
|
|
LastOpt[Name + 1] = I;
|
|
}
|
|
|
|
for (unsigned I = 0, N = Features.size(); I < N; ++I) {
|
|
// If this feature was overridden, ignore it.
|
|
const char *Name = Features[I];
|
|
llvm::StringMap<unsigned>::iterator LastI = LastOpt.find(Name + 1);
|
|
assert(LastI != LastOpt.end());
|
|
unsigned Last = LastI->second;
|
|
if (Last != I)
|
|
continue;
|
|
|
|
CmdArgs.push_back("-target-feature");
|
|
CmdArgs.push_back(Name);
|
|
}
|
|
}
|
|
|
|
static bool
|
|
shouldUseExceptionTablesForObjCExceptions(const ObjCRuntime &runtime,
|
|
const llvm::Triple &Triple) {
|
|
// We use the zero-cost exception tables for Objective-C if the non-fragile
|
|
// ABI is enabled or when compiling for x86_64 and ARM on Snow Leopard and
|
|
// later.
|
|
if (runtime.isNonFragile())
|
|
return true;
|
|
|
|
if (!Triple.isMacOSX())
|
|
return false;
|
|
|
|
return (!Triple.isMacOSXVersionLT(10,5) &&
|
|
(Triple.getArch() == llvm::Triple::x86_64 ||
|
|
Triple.getArch() == llvm::Triple::arm));
|
|
}
|
|
|
|
namespace {
|
|
struct ExceptionSettings {
|
|
bool ExceptionsEnabled;
|
|
bool ShouldUseExceptionTables;
|
|
ExceptionSettings() : ExceptionsEnabled(false),
|
|
ShouldUseExceptionTables(false) {}
|
|
};
|
|
} // end anonymous namespace.
|
|
|
|
// exceptionSettings() exists to share the logic between -cc1 and linker invocations.
|
|
static ExceptionSettings exceptionSettings(const ArgList &Args,
|
|
const llvm::Triple &Triple) {
|
|
ExceptionSettings ES;
|
|
|
|
// Are exceptions enabled by default?
|
|
ES.ExceptionsEnabled = (Triple.getArch() != llvm::Triple::xcore);
|
|
|
|
// This keeps track of whether exceptions were explicitly turned on or off.
|
|
bool DidHaveExplicitExceptionFlag = false;
|
|
|
|
if (Arg *A = Args.getLastArg(options::OPT_fexceptions,
|
|
options::OPT_fno_exceptions)) {
|
|
if (A->getOption().matches(options::OPT_fexceptions))
|
|
ES.ExceptionsEnabled = true;
|
|
else
|
|
ES.ExceptionsEnabled = false;
|
|
|
|
DidHaveExplicitExceptionFlag = true;
|
|
}
|
|
|
|
// Exception tables and cleanups can be enabled with -fexceptions even if the
|
|
// language itself doesn't support exceptions.
|
|
if (ES.ExceptionsEnabled && DidHaveExplicitExceptionFlag)
|
|
ES.ShouldUseExceptionTables = true;
|
|
|
|
return ES;
|
|
}
|
|
|
|
/// addExceptionArgs - Adds exception related arguments to the driver command
|
|
/// arguments. There's a master flag, -fexceptions and also language specific
|
|
/// flags to enable/disable C++ and Objective-C exceptions.
|
|
/// This makes it possible to for example disable C++ exceptions but enable
|
|
/// Objective-C exceptions.
|
|
static void addExceptionArgs(const ArgList &Args, types::ID InputType,
|
|
const llvm::Triple &Triple,
|
|
bool KernelOrKext,
|
|
const ObjCRuntime &objcRuntime,
|
|
ArgStringList &CmdArgs) {
|
|
if (KernelOrKext) {
|
|
// -mkernel and -fapple-kext imply no exceptions, so claim exception related
|
|
// arguments now to avoid warnings about unused arguments.
|
|
Args.ClaimAllArgs(options::OPT_fexceptions);
|
|
Args.ClaimAllArgs(options::OPT_fno_exceptions);
|
|
Args.ClaimAllArgs(options::OPT_fobjc_exceptions);
|
|
Args.ClaimAllArgs(options::OPT_fno_objc_exceptions);
|
|
Args.ClaimAllArgs(options::OPT_fcxx_exceptions);
|
|
Args.ClaimAllArgs(options::OPT_fno_cxx_exceptions);
|
|
return;
|
|
}
|
|
|
|
// Gather the exception settings from the command line arguments.
|
|
ExceptionSettings ES = exceptionSettings(Args, Triple);
|
|
|
|
// Obj-C exceptions are enabled by default, regardless of -fexceptions. This
|
|
// is not necessarily sensible, but follows GCC.
|
|
if (types::isObjC(InputType) &&
|
|
Args.hasFlag(options::OPT_fobjc_exceptions,
|
|
options::OPT_fno_objc_exceptions,
|
|
true)) {
|
|
CmdArgs.push_back("-fobjc-exceptions");
|
|
|
|
ES.ShouldUseExceptionTables |=
|
|
shouldUseExceptionTablesForObjCExceptions(objcRuntime, Triple);
|
|
}
|
|
|
|
if (types::isCXX(InputType)) {
|
|
bool CXXExceptionsEnabled = ES.ExceptionsEnabled;
|
|
|
|
if (Arg *A = Args.getLastArg(options::OPT_fcxx_exceptions,
|
|
options::OPT_fno_cxx_exceptions,
|
|
options::OPT_fexceptions,
|
|
options::OPT_fno_exceptions)) {
|
|
if (A->getOption().matches(options::OPT_fcxx_exceptions))
|
|
CXXExceptionsEnabled = true;
|
|
else if (A->getOption().matches(options::OPT_fno_cxx_exceptions))
|
|
CXXExceptionsEnabled = false;
|
|
}
|
|
|
|
if (CXXExceptionsEnabled) {
|
|
CmdArgs.push_back("-fcxx-exceptions");
|
|
|
|
ES.ShouldUseExceptionTables = true;
|
|
}
|
|
}
|
|
|
|
if (ES.ShouldUseExceptionTables)
|
|
CmdArgs.push_back("-fexceptions");
|
|
}
|
|
|
|
static bool ShouldDisableAutolink(const ArgList &Args,
|
|
const ToolChain &TC) {
|
|
bool Default = true;
|
|
if (TC.getTriple().isOSDarwin()) {
|
|
// The native darwin assembler doesn't support the linker_option directives,
|
|
// so we disable them if we think the .s file will be passed to it.
|
|
Default = TC.useIntegratedAs();
|
|
}
|
|
return !Args.hasFlag(options::OPT_fautolink, options::OPT_fno_autolink,
|
|
Default);
|
|
}
|
|
|
|
static bool ShouldDisableCFI(const ArgList &Args,
|
|
const ToolChain &TC) {
|
|
bool Default = true;
|
|
if (TC.getTriple().isOSDarwin()) {
|
|
// The native darwin assembler doesn't support cfi directives, so
|
|
// we disable them if we think the .s file will be passed to it.
|
|
Default = TC.useIntegratedAs();
|
|
}
|
|
return !Args.hasFlag(options::OPT_fdwarf2_cfi_asm,
|
|
options::OPT_fno_dwarf2_cfi_asm,
|
|
Default);
|
|
}
|
|
|
|
static bool ShouldDisableDwarfDirectory(const ArgList &Args,
|
|
const ToolChain &TC) {
|
|
bool UseDwarfDirectory = Args.hasFlag(options::OPT_fdwarf_directory_asm,
|
|
options::OPT_fno_dwarf_directory_asm,
|
|
TC.useIntegratedAs());
|
|
return !UseDwarfDirectory;
|
|
}
|
|
|
|
/// \brief Check whether the given input tree contains any compilation actions.
|
|
static bool ContainsCompileAction(const Action *A) {
|
|
if (isa<CompileJobAction>(A))
|
|
return true;
|
|
|
|
for (Action::const_iterator it = A->begin(), ie = A->end(); it != ie; ++it)
|
|
if (ContainsCompileAction(*it))
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
/// \brief Check if -relax-all should be passed to the internal assembler.
|
|
/// This is done by default when compiling non-assembler source with -O0.
|
|
static bool UseRelaxAll(Compilation &C, const ArgList &Args) {
|
|
bool RelaxDefault = true;
|
|
|
|
if (Arg *A = Args.getLastArg(options::OPT_O_Group))
|
|
RelaxDefault = A->getOption().matches(options::OPT_O0);
|
|
|
|
if (RelaxDefault) {
|
|
RelaxDefault = false;
|
|
for (ActionList::const_iterator it = C.getActions().begin(),
|
|
ie = C.getActions().end(); it != ie; ++it) {
|
|
if (ContainsCompileAction(*it)) {
|
|
RelaxDefault = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
return Args.hasFlag(options::OPT_mrelax_all, options::OPT_mno_relax_all,
|
|
RelaxDefault);
|
|
}
|
|
|
|
static void CollectArgsForIntegratedAssembler(Compilation &C,
|
|
const ArgList &Args,
|
|
ArgStringList &CmdArgs,
|
|
const Driver &D) {
|
|
if (UseRelaxAll(C, Args))
|
|
CmdArgs.push_back("-mrelax-all");
|
|
|
|
// When passing -I arguments to the assembler we sometimes need to
|
|
// unconditionally take the next argument. For example, when parsing
|
|
// '-Wa,-I -Wa,foo' we need to accept the -Wa,foo arg after seeing the
|
|
// -Wa,-I arg and when parsing '-Wa,-I,foo' we need to accept the 'foo'
|
|
// arg after parsing the '-I' arg.
|
|
bool TakeNextArg = false;
|
|
|
|
// When using an integrated assembler, translate -Wa, and -Xassembler
|
|
// options.
|
|
for (arg_iterator it = Args.filtered_begin(options::OPT_Wa_COMMA,
|
|
options::OPT_Xassembler),
|
|
ie = Args.filtered_end(); it != ie; ++it) {
|
|
const Arg *A = *it;
|
|
A->claim();
|
|
|
|
for (unsigned i = 0, e = A->getNumValues(); i != e; ++i) {
|
|
StringRef Value = A->getValue(i);
|
|
if (TakeNextArg) {
|
|
CmdArgs.push_back(Value.data());
|
|
TakeNextArg = false;
|
|
continue;
|
|
}
|
|
|
|
if (Value == "-force_cpusubtype_ALL") {
|
|
// Do nothing, this is the default and we don't support anything else.
|
|
} else if (Value == "-L") {
|
|
CmdArgs.push_back("-msave-temp-labels");
|
|
} else if (Value == "--fatal-warnings") {
|
|
CmdArgs.push_back("-mllvm");
|
|
CmdArgs.push_back("-fatal-assembler-warnings");
|
|
} else if (Value == "--noexecstack") {
|
|
CmdArgs.push_back("-mnoexecstack");
|
|
} else if (Value == "-compress-debug-sections" ||
|
|
Value == "--compress-debug-sections") {
|
|
D.Diag(diag::warn_missing_debug_compression);
|
|
} else if (Value.startswith("-I")) {
|
|
CmdArgs.push_back(Value.data());
|
|
// We need to consume the next argument if the current arg is a plain
|
|
// -I. The next arg will be the include directory.
|
|
if (Value == "-I")
|
|
TakeNextArg = true;
|
|
} else {
|
|
D.Diag(diag::err_drv_unsupported_option_argument)
|
|
<< A->getOption().getName() << Value;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Until ARM libraries are build separately, we have them all in one library
|
|
static StringRef getArchNameForCompilerRTLib(const ToolChain &TC) {
|
|
if (TC.getArch() == llvm::Triple::arm)
|
|
return "arm";
|
|
else
|
|
return TC.getArchName();
|
|
}
|
|
|
|
static SmallString<128> getCompilerRTLibDir(const ToolChain &TC) {
|
|
// The runtimes are located in the OS-specific resource directory.
|
|
SmallString<128> Res(TC.getDriver().ResourceDir);
|
|
llvm::sys::path::append(Res, "lib", TC.getOS());
|
|
return Res;
|
|
}
|
|
|
|
// This adds the static libclang_rt.arch.a directly to the command line
|
|
// FIXME: Make sure we can also emit shared objects if they're requested
|
|
// and available, check for possible errors, etc.
|
|
static void addClangRTLinux(
|
|
const ToolChain &TC, const ArgList &Args, ArgStringList &CmdArgs) {
|
|
SmallString<128> LibClangRT = getCompilerRTLibDir(TC);
|
|
llvm::sys::path::append(LibClangRT,
|
|
Twine("libclang_rt.") + getArchNameForCompilerRTLib(TC) + ".a");
|
|
|
|
CmdArgs.push_back(Args.MakeArgString(LibClangRT));
|
|
CmdArgs.push_back("-lgcc_s");
|
|
if (TC.getDriver().CCCIsCXX())
|
|
CmdArgs.push_back("-lgcc_eh");
|
|
}
|
|
|
|
static void addProfileRT(
|
|
const ToolChain &TC, const ArgList &Args, ArgStringList &CmdArgs) {
|
|
if (!(Args.hasArg(options::OPT_fprofile_arcs) ||
|
|
Args.hasArg(options::OPT_fprofile_generate) ||
|
|
Args.hasArg(options::OPT_fprofile_instr_generate) ||
|
|
Args.hasArg(options::OPT_fcreate_profile) ||
|
|
Args.hasArg(options::OPT_coverage)))
|
|
return;
|
|
|
|
SmallString<128> LibProfile = getCompilerRTLibDir(TC);
|
|
llvm::sys::path::append(LibProfile,
|
|
Twine("libclang_rt.profile-") + getArchNameForCompilerRTLib(TC) + ".a");
|
|
|
|
CmdArgs.push_back(Args.MakeArgString(LibProfile));
|
|
}
|
|
|
|
static void addSanitizerRTLinkFlags(
|
|
const ToolChain &TC, const ArgList &Args, ArgStringList &CmdArgs,
|
|
const StringRef Sanitizer, bool BeforeLibStdCXX,
|
|
bool ExportSymbols = true) {
|
|
// Sanitizer runtime has name "libclang_rt.<Sanitizer>-<ArchName>.a".
|
|
SmallString<128> LibSanitizer = getCompilerRTLibDir(TC);
|
|
llvm::sys::path::append(LibSanitizer,
|
|
(Twine("libclang_rt.") + Sanitizer + "-" +
|
|
getArchNameForCompilerRTLib(TC) + ".a"));
|
|
|
|
// Sanitizer runtime may need to come before -lstdc++ (or -lc++, libstdc++.a,
|
|
// etc.) so that the linker picks custom versions of the global 'operator
|
|
// new' and 'operator delete' symbols. We take the extreme (but simple)
|
|
// strategy of inserting it at the front of the link command. It also
|
|
// needs to be forced to end up in the executable, so wrap it in
|
|
// whole-archive.
|
|
SmallVector<const char *, 3> LibSanitizerArgs;
|
|
LibSanitizerArgs.push_back("-whole-archive");
|
|
LibSanitizerArgs.push_back(Args.MakeArgString(LibSanitizer));
|
|
LibSanitizerArgs.push_back("-no-whole-archive");
|
|
|
|
CmdArgs.insert(BeforeLibStdCXX ? CmdArgs.begin() : CmdArgs.end(),
|
|
LibSanitizerArgs.begin(), LibSanitizerArgs.end());
|
|
|
|
CmdArgs.push_back("-lpthread");
|
|
CmdArgs.push_back("-lrt");
|
|
CmdArgs.push_back("-ldl");
|
|
CmdArgs.push_back("-lm");
|
|
|
|
// If possible, use a dynamic symbols file to export the symbols from the
|
|
// runtime library. If we can't do so, use -export-dynamic instead to export
|
|
// all symbols from the binary.
|
|
if (ExportSymbols) {
|
|
if (llvm::sys::fs::exists(LibSanitizer + ".syms"))
|
|
CmdArgs.push_back(
|
|
Args.MakeArgString("--dynamic-list=" + LibSanitizer + ".syms"));
|
|
else
|
|
CmdArgs.push_back("-export-dynamic");
|
|
}
|
|
}
|
|
|
|
/// If AddressSanitizer is enabled, add appropriate linker flags (Linux).
|
|
/// This needs to be called before we add the C run-time (malloc, etc).
|
|
static void addAsanRT(const ToolChain &TC, const ArgList &Args,
|
|
ArgStringList &CmdArgs) {
|
|
if (TC.getTriple().getEnvironment() == llvm::Triple::Android) {
|
|
SmallString<128> LibAsan = getCompilerRTLibDir(TC);
|
|
llvm::sys::path::append(LibAsan,
|
|
(Twine("libclang_rt.asan-") +
|
|
getArchNameForCompilerRTLib(TC) + "-android.so"));
|
|
CmdArgs.insert(CmdArgs.begin(), Args.MakeArgString(LibAsan));
|
|
} else {
|
|
if (!Args.hasArg(options::OPT_shared))
|
|
addSanitizerRTLinkFlags(TC, Args, CmdArgs, "asan", true);
|
|
}
|
|
}
|
|
|
|
/// If ThreadSanitizer is enabled, add appropriate linker flags (Linux).
|
|
/// This needs to be called before we add the C run-time (malloc, etc).
|
|
static void addTsanRT(const ToolChain &TC, const ArgList &Args,
|
|
ArgStringList &CmdArgs) {
|
|
if (!Args.hasArg(options::OPT_shared))
|
|
addSanitizerRTLinkFlags(TC, Args, CmdArgs, "tsan", true);
|
|
}
|
|
|
|
/// If MemorySanitizer is enabled, add appropriate linker flags (Linux).
|
|
/// This needs to be called before we add the C run-time (malloc, etc).
|
|
static void addMsanRT(const ToolChain &TC, const ArgList &Args,
|
|
ArgStringList &CmdArgs) {
|
|
if (!Args.hasArg(options::OPT_shared))
|
|
addSanitizerRTLinkFlags(TC, Args, CmdArgs, "msan", true);
|
|
}
|
|
|
|
/// If LeakSanitizer is enabled, add appropriate linker flags (Linux).
|
|
/// This needs to be called before we add the C run-time (malloc, etc).
|
|
static void addLsanRT(const ToolChain &TC, const ArgList &Args,
|
|
ArgStringList &CmdArgs) {
|
|
if (!Args.hasArg(options::OPT_shared))
|
|
addSanitizerRTLinkFlags(TC, Args, CmdArgs, "lsan", true);
|
|
}
|
|
|
|
/// If UndefinedBehaviorSanitizer is enabled, add appropriate linker flags
|
|
/// (Linux).
|
|
static void addUbsanRT(const ToolChain &TC, const ArgList &Args,
|
|
ArgStringList &CmdArgs, bool IsCXX,
|
|
bool HasOtherSanitizerRt) {
|
|
// Need a copy of sanitizer_common. This could come from another sanitizer
|
|
// runtime; if we're not including one, include our own copy.
|
|
if (!HasOtherSanitizerRt)
|
|
addSanitizerRTLinkFlags(TC, Args, CmdArgs, "san", true, false);
|
|
|
|
addSanitizerRTLinkFlags(TC, Args, CmdArgs, "ubsan", false);
|
|
|
|
// Only include the bits of the runtime which need a C++ ABI library if
|
|
// we're linking in C++ mode.
|
|
if (IsCXX)
|
|
addSanitizerRTLinkFlags(TC, Args, CmdArgs, "ubsan_cxx", false);
|
|
}
|
|
|
|
static void addDfsanRT(const ToolChain &TC, const ArgList &Args,
|
|
ArgStringList &CmdArgs) {
|
|
if (!Args.hasArg(options::OPT_shared))
|
|
addSanitizerRTLinkFlags(TC, Args, CmdArgs, "dfsan", true);
|
|
}
|
|
|
|
// Should be called before we add C++ ABI library.
|
|
static void addSanitizerRuntimes(const ToolChain &TC, const ArgList &Args,
|
|
ArgStringList &CmdArgs) {
|
|
const SanitizerArgs &Sanitize = TC.getSanitizerArgs();
|
|
const Driver &D = TC.getDriver();
|
|
if (Sanitize.needsUbsanRt())
|
|
addUbsanRT(TC, Args, CmdArgs, D.CCCIsCXX(),
|
|
Sanitize.needsAsanRt() || Sanitize.needsTsanRt() ||
|
|
Sanitize.needsMsanRt() || Sanitize.needsLsanRt());
|
|
if (Sanitize.needsAsanRt())
|
|
addAsanRT(TC, Args, CmdArgs);
|
|
if (Sanitize.needsTsanRt())
|
|
addTsanRT(TC, Args, CmdArgs);
|
|
if (Sanitize.needsMsanRt())
|
|
addMsanRT(TC, Args, CmdArgs);
|
|
if (Sanitize.needsLsanRt())
|
|
addLsanRT(TC, Args, CmdArgs);
|
|
if (Sanitize.needsDfsanRt())
|
|
addDfsanRT(TC, Args, CmdArgs);
|
|
}
|
|
|
|
static bool shouldUseFramePointerForTarget(const ArgList &Args,
|
|
const llvm::Triple &Triple) {
|
|
switch (Triple.getArch()) {
|
|
// Don't use a frame pointer on linux if optimizing for certain targets.
|
|
case llvm::Triple::mips64:
|
|
case llvm::Triple::mips64el:
|
|
case llvm::Triple::mips:
|
|
case llvm::Triple::mipsel:
|
|
case llvm::Triple::systemz:
|
|
case llvm::Triple::x86:
|
|
case llvm::Triple::x86_64:
|
|
if (Triple.isOSLinux())
|
|
if (Arg *A = Args.getLastArg(options::OPT_O_Group))
|
|
if (!A->getOption().matches(options::OPT_O0))
|
|
return false;
|
|
return true;
|
|
case llvm::Triple::xcore:
|
|
return false;
|
|
default:
|
|
return true;
|
|
}
|
|
}
|
|
|
|
static bool shouldUseFramePointer(const ArgList &Args,
|
|
const llvm::Triple &Triple) {
|
|
if (Arg *A = Args.getLastArg(options::OPT_fno_omit_frame_pointer,
|
|
options::OPT_fomit_frame_pointer))
|
|
return A->getOption().matches(options::OPT_fno_omit_frame_pointer);
|
|
|
|
return shouldUseFramePointerForTarget(Args, Triple);
|
|
}
|
|
|
|
static bool shouldUseLeafFramePointer(const ArgList &Args,
|
|
const llvm::Triple &Triple) {
|
|
if (Arg *A = Args.getLastArg(options::OPT_mno_omit_leaf_frame_pointer,
|
|
options::OPT_momit_leaf_frame_pointer))
|
|
return A->getOption().matches(options::OPT_mno_omit_leaf_frame_pointer);
|
|
|
|
return shouldUseFramePointerForTarget(Args, Triple);
|
|
}
|
|
|
|
/// Add a CC1 option to specify the debug compilation directory.
|
|
static void addDebugCompDirArg(const ArgList &Args, ArgStringList &CmdArgs) {
|
|
SmallString<128> cwd;
|
|
if (!llvm::sys::fs::current_path(cwd)) {
|
|
CmdArgs.push_back("-fdebug-compilation-dir");
|
|
CmdArgs.push_back(Args.MakeArgString(cwd));
|
|
}
|
|
}
|
|
|
|
static const char *SplitDebugName(const ArgList &Args,
|
|
const InputInfoList &Inputs) {
|
|
Arg *FinalOutput = Args.getLastArg(options::OPT_o);
|
|
if (FinalOutput && Args.hasArg(options::OPT_c)) {
|
|
SmallString<128> T(FinalOutput->getValue());
|
|
llvm::sys::path::replace_extension(T, "dwo");
|
|
return Args.MakeArgString(T);
|
|
} else {
|
|
// Use the compilation dir.
|
|
SmallString<128> T(Args.getLastArgValue(options::OPT_fdebug_compilation_dir));
|
|
SmallString<128> F(llvm::sys::path::stem(Inputs[0].getBaseInput()));
|
|
llvm::sys::path::replace_extension(F, "dwo");
|
|
T += F;
|
|
return Args.MakeArgString(F);
|
|
}
|
|
}
|
|
|
|
static void SplitDebugInfo(const ToolChain &TC, Compilation &C,
|
|
const Tool &T, const JobAction &JA,
|
|
const ArgList &Args, const InputInfo &Output,
|
|
const char *OutFile) {
|
|
ArgStringList ExtractArgs;
|
|
ExtractArgs.push_back("--extract-dwo");
|
|
|
|
ArgStringList StripArgs;
|
|
StripArgs.push_back("--strip-dwo");
|
|
|
|
// Grabbing the output of the earlier compile step.
|
|
StripArgs.push_back(Output.getFilename());
|
|
ExtractArgs.push_back(Output.getFilename());
|
|
ExtractArgs.push_back(OutFile);
|
|
|
|
const char *Exec =
|
|
Args.MakeArgString(TC.GetProgramPath("objcopy"));
|
|
|
|
// First extract the dwo sections.
|
|
C.addCommand(new Command(JA, T, Exec, ExtractArgs));
|
|
|
|
// Then remove them from the original .o file.
|
|
C.addCommand(new Command(JA, T, Exec, StripArgs));
|
|
}
|
|
|
|
static bool isOptimizationLevelFast(const ArgList &Args) {
|
|
if (Arg *A = Args.getLastArg(options::OPT_O_Group))
|
|
if (A->getOption().matches(options::OPT_Ofast))
|
|
return true;
|
|
return false;
|
|
}
|
|
|
|
/// \brief Vectorize at all optimization levels greater than 1 except for -Oz.
|
|
static bool shouldEnableVectorizerAtOLevel(const ArgList &Args) {
|
|
if (Arg *A = Args.getLastArg(options::OPT_O_Group)) {
|
|
if (A->getOption().matches(options::OPT_O4) ||
|
|
A->getOption().matches(options::OPT_Ofast))
|
|
return true;
|
|
|
|
if (A->getOption().matches(options::OPT_O0))
|
|
return false;
|
|
|
|
assert(A->getOption().matches(options::OPT_O) && "Must have a -O flag");
|
|
|
|
// Vectorize -Os.
|
|
StringRef S(A->getValue());
|
|
if (S == "s")
|
|
return true;
|
|
|
|
// Don't vectorize -Oz.
|
|
if (S == "z")
|
|
return false;
|
|
|
|
unsigned OptLevel = 0;
|
|
if (S.getAsInteger(10, OptLevel))
|
|
return false;
|
|
|
|
return OptLevel > 1;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/// Add -x lang to \p CmdArgs for \p Input.
|
|
static void addDashXForInput(const ArgList &Args, const InputInfo &Input,
|
|
ArgStringList &CmdArgs) {
|
|
// When using -verify-pch, we don't want to provide the type
|
|
// 'precompiled-header' if it was inferred from the file extension
|
|
if (Args.hasArg(options::OPT_verify_pch) && Input.getType() == types::TY_PCH)
|
|
return;
|
|
|
|
CmdArgs.push_back("-x");
|
|
if (Args.hasArg(options::OPT_rewrite_objc))
|
|
CmdArgs.push_back(types::getTypeName(types::TY_PP_ObjCXX));
|
|
else
|
|
CmdArgs.push_back(types::getTypeName(Input.getType()));
|
|
}
|
|
|
|
void Clang::ConstructJob(Compilation &C, const JobAction &JA,
|
|
const InputInfo &Output,
|
|
const InputInfoList &Inputs,
|
|
const ArgList &Args,
|
|
const char *LinkingOutput) const {
|
|
bool KernelOrKext = Args.hasArg(options::OPT_mkernel,
|
|
options::OPT_fapple_kext);
|
|
const Driver &D = getToolChain().getDriver();
|
|
ArgStringList CmdArgs;
|
|
|
|
assert(Inputs.size() == 1 && "Unable to handle multiple inputs.");
|
|
|
|
// Invoke ourselves in -cc1 mode.
|
|
//
|
|
// FIXME: Implement custom jobs for internal actions.
|
|
CmdArgs.push_back("-cc1");
|
|
|
|
// Add the "effective" target triple.
|
|
CmdArgs.push_back("-triple");
|
|
std::string TripleStr = getToolChain().ComputeEffectiveClangTriple(Args);
|
|
CmdArgs.push_back(Args.MakeArgString(TripleStr));
|
|
|
|
// Select the appropriate action.
|
|
RewriteKind rewriteKind = RK_None;
|
|
|
|
if (isa<AnalyzeJobAction>(JA)) {
|
|
assert(JA.getType() == types::TY_Plist && "Invalid output type.");
|
|
CmdArgs.push_back("-analyze");
|
|
} else if (isa<MigrateJobAction>(JA)) {
|
|
CmdArgs.push_back("-migrate");
|
|
} else if (isa<PreprocessJobAction>(JA)) {
|
|
if (Output.getType() == types::TY_Dependencies)
|
|
CmdArgs.push_back("-Eonly");
|
|
else {
|
|
CmdArgs.push_back("-E");
|
|
if (Args.hasArg(options::OPT_rewrite_objc) &&
|
|
!Args.hasArg(options::OPT_g_Group))
|
|
CmdArgs.push_back("-P");
|
|
}
|
|
} else if (isa<AssembleJobAction>(JA)) {
|
|
CmdArgs.push_back("-emit-obj");
|
|
|
|
CollectArgsForIntegratedAssembler(C, Args, CmdArgs, D);
|
|
|
|
// Also ignore explicit -force_cpusubtype_ALL option.
|
|
(void) Args.hasArg(options::OPT_force__cpusubtype__ALL);
|
|
} else if (isa<PrecompileJobAction>(JA)) {
|
|
// Use PCH if the user requested it.
|
|
bool UsePCH = D.CCCUsePCH;
|
|
|
|
if (JA.getType() == types::TY_Nothing)
|
|
CmdArgs.push_back("-fsyntax-only");
|
|
else if (UsePCH)
|
|
CmdArgs.push_back("-emit-pch");
|
|
else
|
|
CmdArgs.push_back("-emit-pth");
|
|
} else if (isa<VerifyPCHJobAction>(JA)) {
|
|
CmdArgs.push_back("-verify-pch");
|
|
} else {
|
|
assert(isa<CompileJobAction>(JA) && "Invalid action for clang tool.");
|
|
|
|
if (JA.getType() == types::TY_Nothing) {
|
|
CmdArgs.push_back("-fsyntax-only");
|
|
} else if (JA.getType() == types::TY_LLVM_IR ||
|
|
JA.getType() == types::TY_LTO_IR) {
|
|
CmdArgs.push_back("-emit-llvm");
|
|
} else if (JA.getType() == types::TY_LLVM_BC ||
|
|
JA.getType() == types::TY_LTO_BC) {
|
|
CmdArgs.push_back("-emit-llvm-bc");
|
|
} else if (JA.getType() == types::TY_PP_Asm) {
|
|
CmdArgs.push_back("-S");
|
|
} else if (JA.getType() == types::TY_AST) {
|
|
CmdArgs.push_back("-emit-pch");
|
|
} else if (JA.getType() == types::TY_ModuleFile) {
|
|
CmdArgs.push_back("-module-file-info");
|
|
} else if (JA.getType() == types::TY_RewrittenObjC) {
|
|
CmdArgs.push_back("-rewrite-objc");
|
|
rewriteKind = RK_NonFragile;
|
|
} else if (JA.getType() == types::TY_RewrittenLegacyObjC) {
|
|
CmdArgs.push_back("-rewrite-objc");
|
|
rewriteKind = RK_Fragile;
|
|
} else {
|
|
assert(JA.getType() == types::TY_PP_Asm &&
|
|
"Unexpected output type!");
|
|
}
|
|
}
|
|
|
|
// The make clang go fast button.
|
|
CmdArgs.push_back("-disable-free");
|
|
|
|
// Disable the verification pass in -asserts builds.
|
|
#ifdef NDEBUG
|
|
CmdArgs.push_back("-disable-llvm-verifier");
|
|
#endif
|
|
|
|
// Set the main file name, so that debug info works even with
|
|
// -save-temps.
|
|
CmdArgs.push_back("-main-file-name");
|
|
CmdArgs.push_back(getBaseInputName(Args, Inputs));
|
|
|
|
// Some flags which affect the language (via preprocessor
|
|
// defines).
|
|
if (Args.hasArg(options::OPT_static))
|
|
CmdArgs.push_back("-static-define");
|
|
|
|
if (isa<AnalyzeJobAction>(JA)) {
|
|
// Enable region store model by default.
|
|
CmdArgs.push_back("-analyzer-store=region");
|
|
|
|
// Treat blocks as analysis entry points.
|
|
CmdArgs.push_back("-analyzer-opt-analyze-nested-blocks");
|
|
|
|
CmdArgs.push_back("-analyzer-eagerly-assume");
|
|
|
|
// Add default argument set.
|
|
if (!Args.hasArg(options::OPT__analyzer_no_default_checks)) {
|
|
CmdArgs.push_back("-analyzer-checker=core");
|
|
|
|
if (getToolChain().getTriple().getOS() != llvm::Triple::Win32)
|
|
CmdArgs.push_back("-analyzer-checker=unix");
|
|
|
|
if (getToolChain().getTriple().getVendor() == llvm::Triple::Apple)
|
|
CmdArgs.push_back("-analyzer-checker=osx");
|
|
|
|
CmdArgs.push_back("-analyzer-checker=deadcode");
|
|
|
|
if (types::isCXX(Inputs[0].getType()))
|
|
CmdArgs.push_back("-analyzer-checker=cplusplus");
|
|
|
|
// Enable the following experimental checkers for testing.
|
|
CmdArgs.push_back("-analyzer-checker=security.insecureAPI.UncheckedReturn");
|
|
CmdArgs.push_back("-analyzer-checker=security.insecureAPI.getpw");
|
|
CmdArgs.push_back("-analyzer-checker=security.insecureAPI.gets");
|
|
CmdArgs.push_back("-analyzer-checker=security.insecureAPI.mktemp");
|
|
CmdArgs.push_back("-analyzer-checker=security.insecureAPI.mkstemp");
|
|
CmdArgs.push_back("-analyzer-checker=security.insecureAPI.vfork");
|
|
}
|
|
|
|
// Set the output format. The default is plist, for (lame) historical
|
|
// reasons.
|
|
CmdArgs.push_back("-analyzer-output");
|
|
if (Arg *A = Args.getLastArg(options::OPT__analyzer_output))
|
|
CmdArgs.push_back(A->getValue());
|
|
else
|
|
CmdArgs.push_back("plist");
|
|
|
|
// Disable the presentation of standard compiler warnings when
|
|
// using --analyze. We only want to show static analyzer diagnostics
|
|
// or frontend errors.
|
|
CmdArgs.push_back("-w");
|
|
|
|
// Add -Xanalyzer arguments when running as analyzer.
|
|
Args.AddAllArgValues(CmdArgs, options::OPT_Xanalyzer);
|
|
}
|
|
|
|
CheckCodeGenerationOptions(D, Args);
|
|
|
|
bool PIE = getToolChain().isPIEDefault();
|
|
bool PIC = PIE || getToolChain().isPICDefault();
|
|
bool IsPICLevelTwo = PIC;
|
|
|
|
// Android-specific defaults for PIC/PIE
|
|
if (getToolChain().getTriple().getEnvironment() == llvm::Triple::Android) {
|
|
switch (getToolChain().getTriple().getArch()) {
|
|
case llvm::Triple::arm:
|
|
case llvm::Triple::thumb:
|
|
case llvm::Triple::mips:
|
|
case llvm::Triple::mipsel:
|
|
case llvm::Triple::mips64:
|
|
case llvm::Triple::mips64el:
|
|
PIC = true; // "-fpic"
|
|
break;
|
|
|
|
case llvm::Triple::x86:
|
|
case llvm::Triple::x86_64:
|
|
PIC = true; // "-fPIC"
|
|
IsPICLevelTwo = true;
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
// For the PIC and PIE flag options, this logic is different from the
|
|
// legacy logic in very old versions of GCC, as that logic was just
|
|
// a bug no one had ever fixed. This logic is both more rational and
|
|
// consistent with GCC's new logic now that the bugs are fixed. The last
|
|
// argument relating to either PIC or PIE wins, and no other argument is
|
|
// used. If the last argument is any flavor of the '-fno-...' arguments,
|
|
// both PIC and PIE are disabled. Any PIE option implicitly enables PIC
|
|
// at the same level.
|
|
Arg *LastPICArg =Args.getLastArg(options::OPT_fPIC, options::OPT_fno_PIC,
|
|
options::OPT_fpic, options::OPT_fno_pic,
|
|
options::OPT_fPIE, options::OPT_fno_PIE,
|
|
options::OPT_fpie, options::OPT_fno_pie);
|
|
// Check whether the tool chain trumps the PIC-ness decision. If the PIC-ness
|
|
// is forced, then neither PIC nor PIE flags will have no effect.
|
|
if (!getToolChain().isPICDefaultForced()) {
|
|
if (LastPICArg) {
|
|
Option O = LastPICArg->getOption();
|
|
if (O.matches(options::OPT_fPIC) || O.matches(options::OPT_fpic) ||
|
|
O.matches(options::OPT_fPIE) || O.matches(options::OPT_fpie)) {
|
|
PIE = O.matches(options::OPT_fPIE) || O.matches(options::OPT_fpie);
|
|
PIC = PIE || O.matches(options::OPT_fPIC) ||
|
|
O.matches(options::OPT_fpic);
|
|
IsPICLevelTwo = O.matches(options::OPT_fPIE) ||
|
|
O.matches(options::OPT_fPIC);
|
|
} else {
|
|
PIE = PIC = false;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Introduce a Darwin-specific hack. If the default is PIC but the flags
|
|
// specified while enabling PIC enabled level 1 PIC, just force it back to
|
|
// level 2 PIC instead. This matches the behavior of Darwin GCC (based on my
|
|
// informal testing).
|
|
if (PIC && getToolChain().getTriple().isOSDarwin())
|
|
IsPICLevelTwo |= getToolChain().isPICDefault();
|
|
|
|
// Note that these flags are trump-cards. Regardless of the order w.r.t. the
|
|
// PIC or PIE options above, if these show up, PIC is disabled.
|
|
llvm::Triple Triple(TripleStr);
|
|
if (KernelOrKext &&
|
|
(!Triple.isiOS() || Triple.isOSVersionLT(6)))
|
|
PIC = PIE = false;
|
|
if (Args.hasArg(options::OPT_static))
|
|
PIC = PIE = false;
|
|
|
|
if (Arg *A = Args.getLastArg(options::OPT_mdynamic_no_pic)) {
|
|
// This is a very special mode. It trumps the other modes, almost no one
|
|
// uses it, and it isn't even valid on any OS but Darwin.
|
|
if (!getToolChain().getTriple().isOSDarwin())
|
|
D.Diag(diag::err_drv_unsupported_opt_for_target)
|
|
<< A->getSpelling() << getToolChain().getTriple().str();
|
|
|
|
// FIXME: Warn when this flag trumps some other PIC or PIE flag.
|
|
|
|
CmdArgs.push_back("-mrelocation-model");
|
|
CmdArgs.push_back("dynamic-no-pic");
|
|
|
|
// Only a forced PIC mode can cause the actual compile to have PIC defines
|
|
// etc., no flags are sufficient. This behavior was selected to closely
|
|
// match that of llvm-gcc and Apple GCC before that.
|
|
if (getToolChain().isPICDefault() && getToolChain().isPICDefaultForced()) {
|
|
CmdArgs.push_back("-pic-level");
|
|
CmdArgs.push_back("2");
|
|
}
|
|
} else {
|
|
// Currently, LLVM only knows about PIC vs. static; the PIE differences are
|
|
// handled in Clang's IRGen by the -pie-level flag.
|
|
CmdArgs.push_back("-mrelocation-model");
|
|
CmdArgs.push_back(PIC ? "pic" : "static");
|
|
|
|
if (PIC) {
|
|
CmdArgs.push_back("-pic-level");
|
|
CmdArgs.push_back(IsPICLevelTwo ? "2" : "1");
|
|
if (PIE) {
|
|
CmdArgs.push_back("-pie-level");
|
|
CmdArgs.push_back(IsPICLevelTwo ? "2" : "1");
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!Args.hasFlag(options::OPT_fmerge_all_constants,
|
|
options::OPT_fno_merge_all_constants))
|
|
CmdArgs.push_back("-fno-merge-all-constants");
|
|
|
|
// LLVM Code Generator Options.
|
|
|
|
if (Arg *A = Args.getLastArg(options::OPT_mregparm_EQ)) {
|
|
CmdArgs.push_back("-mregparm");
|
|
CmdArgs.push_back(A->getValue());
|
|
}
|
|
|
|
if (Arg *A = Args.getLastArg(options::OPT_fpcc_struct_return,
|
|
options::OPT_freg_struct_return)) {
|
|
if (getToolChain().getArch() != llvm::Triple::x86) {
|
|
D.Diag(diag::err_drv_unsupported_opt_for_target)
|
|
<< A->getSpelling() << getToolChain().getTriple().str();
|
|
} else if (A->getOption().matches(options::OPT_fpcc_struct_return)) {
|
|
CmdArgs.push_back("-fpcc-struct-return");
|
|
} else {
|
|
assert(A->getOption().matches(options::OPT_freg_struct_return));
|
|
CmdArgs.push_back("-freg-struct-return");
|
|
}
|
|
}
|
|
|
|
if (Args.hasFlag(options::OPT_mrtd, options::OPT_mno_rtd, false))
|
|
CmdArgs.push_back("-mrtd");
|
|
|
|
if (shouldUseFramePointer(Args, getToolChain().getTriple()))
|
|
CmdArgs.push_back("-mdisable-fp-elim");
|
|
if (!Args.hasFlag(options::OPT_fzero_initialized_in_bss,
|
|
options::OPT_fno_zero_initialized_in_bss))
|
|
CmdArgs.push_back("-mno-zero-initialized-in-bss");
|
|
|
|
bool OFastEnabled = isOptimizationLevelFast(Args);
|
|
// If -Ofast is the optimization level, then -fstrict-aliasing should be
|
|
// enabled. This alias option is being used to simplify the hasFlag logic.
|
|
OptSpecifier StrictAliasingAliasOption = OFastEnabled ? options::OPT_Ofast :
|
|
options::OPT_fstrict_aliasing;
|
|
if (!Args.hasFlag(options::OPT_fstrict_aliasing, StrictAliasingAliasOption,
|
|
options::OPT_fno_strict_aliasing, true))
|
|
CmdArgs.push_back("-relaxed-aliasing");
|
|
if (!Args.hasFlag(options::OPT_fstruct_path_tbaa,
|
|
options::OPT_fno_struct_path_tbaa))
|
|
CmdArgs.push_back("-no-struct-path-tbaa");
|
|
if (Args.hasFlag(options::OPT_fstrict_enums, options::OPT_fno_strict_enums,
|
|
false))
|
|
CmdArgs.push_back("-fstrict-enums");
|
|
if (!Args.hasFlag(options::OPT_foptimize_sibling_calls,
|
|
options::OPT_fno_optimize_sibling_calls))
|
|
CmdArgs.push_back("-mdisable-tail-calls");
|
|
|
|
// Handle segmented stacks.
|
|
if (Args.hasArg(options::OPT_fsplit_stack))
|
|
CmdArgs.push_back("-split-stacks");
|
|
|
|
// If -Ofast is the optimization level, then -ffast-math should be enabled.
|
|
// This alias option is being used to simplify the getLastArg logic.
|
|
OptSpecifier FastMathAliasOption = OFastEnabled ? options::OPT_Ofast :
|
|
options::OPT_ffast_math;
|
|
|
|
// Handle various floating point optimization flags, mapping them to the
|
|
// appropriate LLVM code generation flags. The pattern for all of these is to
|
|
// default off the codegen optimizations, and if any flag enables them and no
|
|
// flag disables them after the flag enabling them, enable the codegen
|
|
// optimization. This is complicated by several "umbrella" flags.
|
|
if (Arg *A = Args.getLastArg(options::OPT_ffast_math, FastMathAliasOption,
|
|
options::OPT_fno_fast_math,
|
|
options::OPT_ffinite_math_only,
|
|
options::OPT_fno_finite_math_only,
|
|
options::OPT_fhonor_infinities,
|
|
options::OPT_fno_honor_infinities))
|
|
if (A->getOption().getID() != options::OPT_fno_fast_math &&
|
|
A->getOption().getID() != options::OPT_fno_finite_math_only &&
|
|
A->getOption().getID() != options::OPT_fhonor_infinities)
|
|
CmdArgs.push_back("-menable-no-infs");
|
|
if (Arg *A = Args.getLastArg(options::OPT_ffast_math, FastMathAliasOption,
|
|
options::OPT_fno_fast_math,
|
|
options::OPT_ffinite_math_only,
|
|
options::OPT_fno_finite_math_only,
|
|
options::OPT_fhonor_nans,
|
|
options::OPT_fno_honor_nans))
|
|
if (A->getOption().getID() != options::OPT_fno_fast_math &&
|
|
A->getOption().getID() != options::OPT_fno_finite_math_only &&
|
|
A->getOption().getID() != options::OPT_fhonor_nans)
|
|
CmdArgs.push_back("-menable-no-nans");
|
|
|
|
// -fmath-errno is the default on some platforms, e.g. BSD-derived OSes.
|
|
bool MathErrno = getToolChain().IsMathErrnoDefault();
|
|
if (Arg *A = Args.getLastArg(options::OPT_ffast_math, FastMathAliasOption,
|
|
options::OPT_fno_fast_math,
|
|
options::OPT_fmath_errno,
|
|
options::OPT_fno_math_errno)) {
|
|
// Turning on -ffast_math (with either flag) removes the need for MathErrno.
|
|
// However, turning *off* -ffast_math merely restores the toolchain default
|
|
// (which may be false).
|
|
if (A->getOption().getID() == options::OPT_fno_math_errno ||
|
|
A->getOption().getID() == options::OPT_ffast_math ||
|
|
A->getOption().getID() == options::OPT_Ofast)
|
|
MathErrno = false;
|
|
else if (A->getOption().getID() == options::OPT_fmath_errno)
|
|
MathErrno = true;
|
|
}
|
|
if (MathErrno)
|
|
CmdArgs.push_back("-fmath-errno");
|
|
|
|
// There are several flags which require disabling very specific
|
|
// optimizations. Any of these being disabled forces us to turn off the
|
|
// entire set of LLVM optimizations, so collect them through all the flag
|
|
// madness.
|
|
bool AssociativeMath = false;
|
|
if (Arg *A = Args.getLastArg(options::OPT_ffast_math, FastMathAliasOption,
|
|
options::OPT_fno_fast_math,
|
|
options::OPT_funsafe_math_optimizations,
|
|
options::OPT_fno_unsafe_math_optimizations,
|
|
options::OPT_fassociative_math,
|
|
options::OPT_fno_associative_math))
|
|
if (A->getOption().getID() != options::OPT_fno_fast_math &&
|
|
A->getOption().getID() != options::OPT_fno_unsafe_math_optimizations &&
|
|
A->getOption().getID() != options::OPT_fno_associative_math)
|
|
AssociativeMath = true;
|
|
bool ReciprocalMath = false;
|
|
if (Arg *A = Args.getLastArg(options::OPT_ffast_math, FastMathAliasOption,
|
|
options::OPT_fno_fast_math,
|
|
options::OPT_funsafe_math_optimizations,
|
|
options::OPT_fno_unsafe_math_optimizations,
|
|
options::OPT_freciprocal_math,
|
|
options::OPT_fno_reciprocal_math))
|
|
if (A->getOption().getID() != options::OPT_fno_fast_math &&
|
|
A->getOption().getID() != options::OPT_fno_unsafe_math_optimizations &&
|
|
A->getOption().getID() != options::OPT_fno_reciprocal_math)
|
|
ReciprocalMath = true;
|
|
bool SignedZeros = true;
|
|
if (Arg *A = Args.getLastArg(options::OPT_ffast_math, FastMathAliasOption,
|
|
options::OPT_fno_fast_math,
|
|
options::OPT_funsafe_math_optimizations,
|
|
options::OPT_fno_unsafe_math_optimizations,
|
|
options::OPT_fsigned_zeros,
|
|
options::OPT_fno_signed_zeros))
|
|
if (A->getOption().getID() != options::OPT_fno_fast_math &&
|
|
A->getOption().getID() != options::OPT_fno_unsafe_math_optimizations &&
|
|
A->getOption().getID() != options::OPT_fsigned_zeros)
|
|
SignedZeros = false;
|
|
bool TrappingMath = true;
|
|
if (Arg *A = Args.getLastArg(options::OPT_ffast_math, FastMathAliasOption,
|
|
options::OPT_fno_fast_math,
|
|
options::OPT_funsafe_math_optimizations,
|
|
options::OPT_fno_unsafe_math_optimizations,
|
|
options::OPT_ftrapping_math,
|
|
options::OPT_fno_trapping_math))
|
|
if (A->getOption().getID() != options::OPT_fno_fast_math &&
|
|
A->getOption().getID() != options::OPT_fno_unsafe_math_optimizations &&
|
|
A->getOption().getID() != options::OPT_ftrapping_math)
|
|
TrappingMath = false;
|
|
if (!MathErrno && AssociativeMath && ReciprocalMath && !SignedZeros &&
|
|
!TrappingMath)
|
|
CmdArgs.push_back("-menable-unsafe-fp-math");
|
|
|
|
|
|
// Validate and pass through -fp-contract option.
|
|
if (Arg *A = Args.getLastArg(options::OPT_ffast_math, FastMathAliasOption,
|
|
options::OPT_fno_fast_math,
|
|
options::OPT_ffp_contract)) {
|
|
if (A->getOption().getID() == options::OPT_ffp_contract) {
|
|
StringRef Val = A->getValue();
|
|
if (Val == "fast" || Val == "on" || Val == "off") {
|
|
CmdArgs.push_back(Args.MakeArgString("-ffp-contract=" + Val));
|
|
} else {
|
|
D.Diag(diag::err_drv_unsupported_option_argument)
|
|
<< A->getOption().getName() << Val;
|
|
}
|
|
} else if (A->getOption().matches(options::OPT_ffast_math) ||
|
|
(OFastEnabled && A->getOption().matches(options::OPT_Ofast))) {
|
|
// If fast-math is set then set the fp-contract mode to fast.
|
|
CmdArgs.push_back(Args.MakeArgString("-ffp-contract=fast"));
|
|
}
|
|
}
|
|
|
|
// We separately look for the '-ffast-math' and '-ffinite-math-only' flags,
|
|
// and if we find them, tell the frontend to provide the appropriate
|
|
// preprocessor macros. This is distinct from enabling any optimizations as
|
|
// these options induce language changes which must survive serialization
|
|
// and deserialization, etc.
|
|
if (Arg *A = Args.getLastArg(options::OPT_ffast_math, FastMathAliasOption,
|
|
options::OPT_fno_fast_math))
|
|
if (!A->getOption().matches(options::OPT_fno_fast_math))
|
|
CmdArgs.push_back("-ffast-math");
|
|
if (Arg *A = Args.getLastArg(options::OPT_ffinite_math_only, options::OPT_fno_fast_math))
|
|
if (A->getOption().matches(options::OPT_ffinite_math_only))
|
|
CmdArgs.push_back("-ffinite-math-only");
|
|
|
|
// Decide whether to use verbose asm. Verbose assembly is the default on
|
|
// toolchains which have the integrated assembler on by default.
|
|
bool IsIntegratedAssemblerDefault =
|
|
getToolChain().IsIntegratedAssemblerDefault();
|
|
if (Args.hasFlag(options::OPT_fverbose_asm, options::OPT_fno_verbose_asm,
|
|
IsIntegratedAssemblerDefault) ||
|
|
Args.hasArg(options::OPT_dA))
|
|
CmdArgs.push_back("-masm-verbose");
|
|
|
|
if (!Args.hasFlag(options::OPT_fintegrated_as, options::OPT_fno_integrated_as,
|
|
IsIntegratedAssemblerDefault))
|
|
CmdArgs.push_back("-no-integrated-as");
|
|
|
|
if (Args.hasArg(options::OPT_fdebug_pass_structure)) {
|
|
CmdArgs.push_back("-mdebug-pass");
|
|
CmdArgs.push_back("Structure");
|
|
}
|
|
if (Args.hasArg(options::OPT_fdebug_pass_arguments)) {
|
|
CmdArgs.push_back("-mdebug-pass");
|
|
CmdArgs.push_back("Arguments");
|
|
}
|
|
|
|
// Enable -mconstructor-aliases except on darwin, where we have to
|
|
// work around a linker bug; see <rdar://problem/7651567>.
|
|
if (!getToolChain().getTriple().isOSDarwin())
|
|
CmdArgs.push_back("-mconstructor-aliases");
|
|
|
|
// Darwin's kernel doesn't support guard variables; just die if we
|
|
// try to use them.
|
|
if (KernelOrKext && getToolChain().getTriple().isOSDarwin())
|
|
CmdArgs.push_back("-fforbid-guard-variables");
|
|
|
|
if (Args.hasArg(options::OPT_mms_bitfields)) {
|
|
CmdArgs.push_back("-mms-bitfields");
|
|
}
|
|
|
|
// This is a coarse approximation of what llvm-gcc actually does, both
|
|
// -fasynchronous-unwind-tables and -fnon-call-exceptions interact in more
|
|
// complicated ways.
|
|
bool AsynchronousUnwindTables =
|
|
Args.hasFlag(options::OPT_fasynchronous_unwind_tables,
|
|
options::OPT_fno_asynchronous_unwind_tables,
|
|
(getToolChain().IsUnwindTablesDefault() ||
|
|
getToolChain().getSanitizerArgs().needsUnwindTables()) &&
|
|
!KernelOrKext);
|
|
if (Args.hasFlag(options::OPT_funwind_tables, options::OPT_fno_unwind_tables,
|
|
AsynchronousUnwindTables))
|
|
CmdArgs.push_back("-munwind-tables");
|
|
|
|
getToolChain().addClangTargetOptions(Args, CmdArgs);
|
|
|
|
if (Arg *A = Args.getLastArg(options::OPT_flimited_precision_EQ)) {
|
|
CmdArgs.push_back("-mlimit-float-precision");
|
|
CmdArgs.push_back(A->getValue());
|
|
}
|
|
|
|
// FIXME: Handle -mtune=.
|
|
(void) Args.hasArg(options::OPT_mtune_EQ);
|
|
|
|
if (Arg *A = Args.getLastArg(options::OPT_mcmodel_EQ)) {
|
|
CmdArgs.push_back("-mcode-model");
|
|
CmdArgs.push_back(A->getValue());
|
|
}
|
|
|
|
// Add the target cpu
|
|
std::string ETripleStr = getToolChain().ComputeEffectiveClangTriple(Args);
|
|
llvm::Triple ETriple(ETripleStr);
|
|
std::string CPU = getCPUName(Args, ETriple);
|
|
if (!CPU.empty()) {
|
|
CmdArgs.push_back("-target-cpu");
|
|
CmdArgs.push_back(Args.MakeArgString(CPU));
|
|
}
|
|
|
|
if (const Arg *A = Args.getLastArg(options::OPT_mfpmath_EQ)) {
|
|
CmdArgs.push_back("-mfpmath");
|
|
CmdArgs.push_back(A->getValue());
|
|
}
|
|
|
|
// Add the target features
|
|
getTargetFeatures(D, ETriple, Args, CmdArgs, false);
|
|
|
|
// Add target specific flags.
|
|
switch(getToolChain().getArch()) {
|
|
default:
|
|
break;
|
|
|
|
case llvm::Triple::arm:
|
|
case llvm::Triple::thumb:
|
|
AddARMTargetArgs(Args, CmdArgs, KernelOrKext);
|
|
break;
|
|
|
|
case llvm::Triple::mips:
|
|
case llvm::Triple::mipsel:
|
|
case llvm::Triple::mips64:
|
|
case llvm::Triple::mips64el:
|
|
AddMIPSTargetArgs(Args, CmdArgs);
|
|
break;
|
|
|
|
case llvm::Triple::sparc:
|
|
AddSparcTargetArgs(Args, CmdArgs);
|
|
break;
|
|
|
|
case llvm::Triple::x86:
|
|
case llvm::Triple::x86_64:
|
|
AddX86TargetArgs(Args, CmdArgs);
|
|
break;
|
|
|
|
case llvm::Triple::hexagon:
|
|
AddHexagonTargetArgs(Args, CmdArgs);
|
|
break;
|
|
}
|
|
|
|
// Add clang-cl arguments.
|
|
if (getToolChain().getDriver().IsCLMode())
|
|
AddClangCLArgs(Args, CmdArgs);
|
|
|
|
// Pass the linker version in use.
|
|
if (Arg *A = Args.getLastArg(options::OPT_mlinker_version_EQ)) {
|
|
CmdArgs.push_back("-target-linker-version");
|
|
CmdArgs.push_back(A->getValue());
|
|
}
|
|
|
|
if (!shouldUseLeafFramePointer(Args, getToolChain().getTriple()))
|
|
CmdArgs.push_back("-momit-leaf-frame-pointer");
|
|
|
|
// Explicitly error on some things we know we don't support and can't just
|
|
// ignore.
|
|
types::ID InputType = Inputs[0].getType();
|
|
if (!Args.hasArg(options::OPT_fallow_unsupported)) {
|
|
Arg *Unsupported;
|
|
if (types::isCXX(InputType) &&
|
|
getToolChain().getTriple().isOSDarwin() &&
|
|
getToolChain().getArch() == llvm::Triple::x86) {
|
|
if ((Unsupported = Args.getLastArg(options::OPT_fapple_kext)) ||
|
|
(Unsupported = Args.getLastArg(options::OPT_mkernel)))
|
|
D.Diag(diag::err_drv_clang_unsupported_opt_cxx_darwin_i386)
|
|
<< Unsupported->getOption().getName();
|
|
}
|
|
}
|
|
|
|
Args.AddAllArgs(CmdArgs, options::OPT_v);
|
|
Args.AddLastArg(CmdArgs, options::OPT_H);
|
|
if (D.CCPrintHeaders && !D.CCGenDiagnostics) {
|
|
CmdArgs.push_back("-header-include-file");
|
|
CmdArgs.push_back(D.CCPrintHeadersFilename ?
|
|
D.CCPrintHeadersFilename : "-");
|
|
}
|
|
Args.AddLastArg(CmdArgs, options::OPT_P);
|
|
Args.AddLastArg(CmdArgs, options::OPT_print_ivar_layout);
|
|
|
|
if (D.CCLogDiagnostics && !D.CCGenDiagnostics) {
|
|
CmdArgs.push_back("-diagnostic-log-file");
|
|
CmdArgs.push_back(D.CCLogDiagnosticsFilename ?
|
|
D.CCLogDiagnosticsFilename : "-");
|
|
}
|
|
|
|
// Use the last option from "-g" group. "-gline-tables-only" and "-gdwarf-x"
|
|
// are preserved, all other debug options are substituted with "-g".
|
|
Args.ClaimAllArgs(options::OPT_g_Group);
|
|
if (Arg *A = Args.getLastArg(options::OPT_g_Group)) {
|
|
if (A->getOption().matches(options::OPT_gline_tables_only) ||
|
|
A->getOption().matches(options::OPT_gmlt)) {
|
|
// FIXME: we should support specifying dwarf version with
|
|
// -gline-tables-only.
|
|
CmdArgs.push_back("-gline-tables-only");
|
|
// Default is dwarf-2 for darwin.
|
|
if (getToolChain().getTriple().isOSDarwin())
|
|
CmdArgs.push_back("-gdwarf-2");
|
|
} else if (A->getOption().matches(options::OPT_gdwarf_2))
|
|
CmdArgs.push_back("-gdwarf-2");
|
|
else if (A->getOption().matches(options::OPT_gdwarf_3))
|
|
CmdArgs.push_back("-gdwarf-3");
|
|
else if (A->getOption().matches(options::OPT_gdwarf_4))
|
|
CmdArgs.push_back("-gdwarf-4");
|
|
else if (!A->getOption().matches(options::OPT_g0) &&
|
|
!A->getOption().matches(options::OPT_ggdb0)) {
|
|
// Default is dwarf-2 for darwin.
|
|
if (getToolChain().getTriple().isOSDarwin())
|
|
CmdArgs.push_back("-gdwarf-2");
|
|
else
|
|
CmdArgs.push_back("-g");
|
|
}
|
|
}
|
|
|
|
// We ignore flags -gstrict-dwarf and -grecord-gcc-switches for now.
|
|
Args.ClaimAllArgs(options::OPT_g_flags_Group);
|
|
if (Args.hasArg(options::OPT_gcolumn_info))
|
|
CmdArgs.push_back("-dwarf-column-info");
|
|
|
|
// FIXME: Move backend command line options to the module.
|
|
// -gsplit-dwarf should turn on -g and enable the backend dwarf
|
|
// splitting and extraction.
|
|
// FIXME: Currently only works on Linux.
|
|
if (getToolChain().getTriple().isOSLinux() &&
|
|
Args.hasArg(options::OPT_gsplit_dwarf)) {
|
|
CmdArgs.push_back("-g");
|
|
CmdArgs.push_back("-backend-option");
|
|
CmdArgs.push_back("-split-dwarf=Enable");
|
|
}
|
|
|
|
// -ggnu-pubnames turns on gnu style pubnames in the backend.
|
|
if (Args.hasArg(options::OPT_ggnu_pubnames)) {
|
|
CmdArgs.push_back("-backend-option");
|
|
CmdArgs.push_back("-generate-gnu-dwarf-pub-sections");
|
|
}
|
|
|
|
// -gdwarf-aranges turns on the emission of the aranges section in the
|
|
// backend.
|
|
if (Args.hasArg(options::OPT_gdwarf_aranges)) {
|
|
CmdArgs.push_back("-backend-option");
|
|
CmdArgs.push_back("-generate-arange-section");
|
|
}
|
|
|
|
if (Args.hasFlag(options::OPT_fdebug_types_section,
|
|
options::OPT_fno_debug_types_section, false)) {
|
|
CmdArgs.push_back("-backend-option");
|
|
CmdArgs.push_back("-generate-type-units");
|
|
}
|
|
|
|
if (Args.hasFlag(options::OPT_ffunction_sections,
|
|
options::OPT_fno_function_sections, false)) {
|
|
CmdArgs.push_back("-ffunction-sections");
|
|
}
|
|
|
|
if (Args.hasFlag(options::OPT_fdata_sections,
|
|
options::OPT_fno_data_sections, false)) {
|
|
CmdArgs.push_back("-fdata-sections");
|
|
}
|
|
|
|
Args.AddAllArgs(CmdArgs, options::OPT_finstrument_functions);
|
|
|
|
if (Args.hasArg(options::OPT_fprofile_instr_generate) &&
|
|
(Args.hasArg(options::OPT_fprofile_instr_use) ||
|
|
Args.hasArg(options::OPT_fprofile_instr_use_EQ)))
|
|
D.Diag(diag::err_drv_argument_not_allowed_with)
|
|
<< "-fprofile-instr-generate" << "-fprofile-instr-use";
|
|
|
|
Args.AddAllArgs(CmdArgs, options::OPT_fprofile_instr_generate);
|
|
|
|
if (Arg *A = Args.getLastArg(options::OPT_fprofile_instr_use_EQ))
|
|
A->render(Args, CmdArgs);
|
|
else if (Args.hasArg(options::OPT_fprofile_instr_use))
|
|
CmdArgs.push_back("-fprofile-instr-use=pgo-data");
|
|
|
|
if (Args.hasArg(options::OPT_ftest_coverage) ||
|
|
Args.hasArg(options::OPT_coverage))
|
|
CmdArgs.push_back("-femit-coverage-notes");
|
|
if (Args.hasArg(options::OPT_fprofile_arcs) ||
|
|
Args.hasArg(options::OPT_coverage))
|
|
CmdArgs.push_back("-femit-coverage-data");
|
|
|
|
if (C.getArgs().hasArg(options::OPT_c) ||
|
|
C.getArgs().hasArg(options::OPT_S)) {
|
|
if (Output.isFilename()) {
|
|
CmdArgs.push_back("-coverage-file");
|
|
SmallString<128> CoverageFilename(Output.getFilename());
|
|
if (llvm::sys::path::is_relative(CoverageFilename.str())) {
|
|
SmallString<128> Pwd;
|
|
if (!llvm::sys::fs::current_path(Pwd)) {
|
|
llvm::sys::path::append(Pwd, CoverageFilename.str());
|
|
CoverageFilename.swap(Pwd);
|
|
}
|
|
}
|
|
CmdArgs.push_back(Args.MakeArgString(CoverageFilename));
|
|
}
|
|
}
|
|
|
|
// Pass options for controlling the default header search paths.
|
|
if (Args.hasArg(options::OPT_nostdinc)) {
|
|
CmdArgs.push_back("-nostdsysteminc");
|
|
CmdArgs.push_back("-nobuiltininc");
|
|
} else {
|
|
if (Args.hasArg(options::OPT_nostdlibinc))
|
|
CmdArgs.push_back("-nostdsysteminc");
|
|
Args.AddLastArg(CmdArgs, options::OPT_nostdincxx);
|
|
Args.AddLastArg(CmdArgs, options::OPT_nobuiltininc);
|
|
}
|
|
|
|
// Pass the path to compiler resource files.
|
|
CmdArgs.push_back("-resource-dir");
|
|
CmdArgs.push_back(D.ResourceDir.c_str());
|
|
|
|
Args.AddLastArg(CmdArgs, options::OPT_working_directory);
|
|
|
|
bool ARCMTEnabled = false;
|
|
if (!Args.hasArg(options::OPT_fno_objc_arc, options::OPT_fobjc_arc)) {
|
|
if (const Arg *A = Args.getLastArg(options::OPT_ccc_arcmt_check,
|
|
options::OPT_ccc_arcmt_modify,
|
|
options::OPT_ccc_arcmt_migrate)) {
|
|
ARCMTEnabled = true;
|
|
switch (A->getOption().getID()) {
|
|
default:
|
|
llvm_unreachable("missed a case");
|
|
case options::OPT_ccc_arcmt_check:
|
|
CmdArgs.push_back("-arcmt-check");
|
|
break;
|
|
case options::OPT_ccc_arcmt_modify:
|
|
CmdArgs.push_back("-arcmt-modify");
|
|
break;
|
|
case options::OPT_ccc_arcmt_migrate:
|
|
CmdArgs.push_back("-arcmt-migrate");
|
|
CmdArgs.push_back("-mt-migrate-directory");
|
|
CmdArgs.push_back(A->getValue());
|
|
|
|
Args.AddLastArg(CmdArgs, options::OPT_arcmt_migrate_report_output);
|
|
Args.AddLastArg(CmdArgs, options::OPT_arcmt_migrate_emit_arc_errors);
|
|
break;
|
|
}
|
|
}
|
|
} else {
|
|
Args.ClaimAllArgs(options::OPT_ccc_arcmt_check);
|
|
Args.ClaimAllArgs(options::OPT_ccc_arcmt_modify);
|
|
Args.ClaimAllArgs(options::OPT_ccc_arcmt_migrate);
|
|
}
|
|
|
|
if (const Arg *A = Args.getLastArg(options::OPT_ccc_objcmt_migrate)) {
|
|
if (ARCMTEnabled) {
|
|
D.Diag(diag::err_drv_argument_not_allowed_with)
|
|
<< A->getAsString(Args) << "-ccc-arcmt-migrate";
|
|
}
|
|
CmdArgs.push_back("-mt-migrate-directory");
|
|
CmdArgs.push_back(A->getValue());
|
|
|
|
if (!Args.hasArg(options::OPT_objcmt_migrate_literals,
|
|
options::OPT_objcmt_migrate_subscripting,
|
|
options::OPT_objcmt_migrate_property)) {
|
|
// None specified, means enable them all.
|
|
CmdArgs.push_back("-objcmt-migrate-literals");
|
|
CmdArgs.push_back("-objcmt-migrate-subscripting");
|
|
CmdArgs.push_back("-objcmt-migrate-property");
|
|
} else {
|
|
Args.AddLastArg(CmdArgs, options::OPT_objcmt_migrate_literals);
|
|
Args.AddLastArg(CmdArgs, options::OPT_objcmt_migrate_subscripting);
|
|
Args.AddLastArg(CmdArgs, options::OPT_objcmt_migrate_property);
|
|
}
|
|
} else {
|
|
Args.AddLastArg(CmdArgs, options::OPT_objcmt_migrate_literals);
|
|
Args.AddLastArg(CmdArgs, options::OPT_objcmt_migrate_subscripting);
|
|
Args.AddLastArg(CmdArgs, options::OPT_objcmt_migrate_property);
|
|
Args.AddLastArg(CmdArgs, options::OPT_objcmt_migrate_all);
|
|
Args.AddLastArg(CmdArgs, options::OPT_objcmt_migrate_readonly_property);
|
|
Args.AddLastArg(CmdArgs, options::OPT_objcmt_migrate_readwrite_property);
|
|
Args.AddLastArg(CmdArgs, options::OPT_objcmt_migrate_annotation);
|
|
Args.AddLastArg(CmdArgs, options::OPT_objcmt_migrate_instancetype);
|
|
Args.AddLastArg(CmdArgs, options::OPT_objcmt_migrate_nsmacros);
|
|
Args.AddLastArg(CmdArgs, options::OPT_objcmt_migrate_protocol_conformance);
|
|
Args.AddLastArg(CmdArgs, options::OPT_objcmt_atomic_property);
|
|
Args.AddLastArg(CmdArgs, options::OPT_objcmt_returns_innerpointer_property);
|
|
Args.AddLastArg(CmdArgs, options::OPT_objcmt_ns_nonatomic_iosonly);
|
|
Args.AddLastArg(CmdArgs, options::OPT_objcmt_migrate_designated_init);
|
|
Args.AddLastArg(CmdArgs, options::OPT_objcmt_whitelist_dir_path);
|
|
}
|
|
|
|
// Add preprocessing options like -I, -D, etc. if we are using the
|
|
// preprocessor.
|
|
//
|
|
// FIXME: Support -fpreprocessed
|
|
if (types::getPreprocessedType(InputType) != types::TY_INVALID)
|
|
AddPreprocessingOptions(C, JA, D, Args, CmdArgs, Output, Inputs);
|
|
|
|
// Don't warn about "clang -c -DPIC -fPIC test.i" because libtool.m4 assumes
|
|
// that "The compiler can only warn and ignore the option if not recognized".
|
|
// When building with ccache, it will pass -D options to clang even on
|
|
// preprocessed inputs and configure concludes that -fPIC is not supported.
|
|
Args.ClaimAllArgs(options::OPT_D);
|
|
|
|
// Manually translate -O4 to -O3; let clang reject others.
|
|
if (Arg *A = Args.getLastArg(options::OPT_O_Group)) {
|
|
if (A->getOption().matches(options::OPT_O4)) {
|
|
CmdArgs.push_back("-O3");
|
|
D.Diag(diag::warn_O4_is_O3);
|
|
} else {
|
|
A->render(Args, CmdArgs);
|
|
}
|
|
}
|
|
|
|
// Don't warn about unused -flto. This can happen when we're preprocessing or
|
|
// precompiling.
|
|
Args.ClaimAllArgs(options::OPT_flto);
|
|
|
|
Args.AddAllArgs(CmdArgs, options::OPT_W_Group);
|
|
if (Args.hasFlag(options::OPT_pedantic, options::OPT_no_pedantic, false))
|
|
CmdArgs.push_back("-pedantic");
|
|
Args.AddLastArg(CmdArgs, options::OPT_pedantic_errors);
|
|
Args.AddLastArg(CmdArgs, options::OPT_w);
|
|
|
|
// Handle -{std, ansi, trigraphs} -- take the last of -{std, ansi}
|
|
// (-ansi is equivalent to -std=c89 or -std=c++98).
|
|
//
|
|
// If a std is supplied, only add -trigraphs if it follows the
|
|
// option.
|
|
if (Arg *Std = Args.getLastArg(options::OPT_std_EQ, options::OPT_ansi)) {
|
|
if (Std->getOption().matches(options::OPT_ansi))
|
|
if (types::isCXX(InputType))
|
|
CmdArgs.push_back("-std=c++98");
|
|
else
|
|
CmdArgs.push_back("-std=c89");
|
|
else
|
|
Std->render(Args, CmdArgs);
|
|
|
|
if (Arg *A = Args.getLastArg(options::OPT_std_EQ, options::OPT_ansi,
|
|
options::OPT_trigraphs))
|
|
if (A != Std)
|
|
A->render(Args, CmdArgs);
|
|
} else {
|
|
// Honor -std-default.
|
|
//
|
|
// FIXME: Clang doesn't correctly handle -std= when the input language
|
|
// doesn't match. For the time being just ignore this for C++ inputs;
|
|
// eventually we want to do all the standard defaulting here instead of
|
|
// splitting it between the driver and clang -cc1.
|
|
if (!types::isCXX(InputType))
|
|
Args.AddAllArgsTranslated(CmdArgs, options::OPT_std_default_EQ,
|
|
"-std=", /*Joined=*/true);
|
|
else if (getToolChain().getTriple().getOS() == llvm::Triple::Win32)
|
|
CmdArgs.push_back("-std=c++11");
|
|
|
|
Args.AddLastArg(CmdArgs, options::OPT_trigraphs);
|
|
}
|
|
|
|
// GCC's behavior for -Wwrite-strings is a bit strange:
|
|
// * In C, this "warning flag" changes the types of string literals from
|
|
// 'char[N]' to 'const char[N]', and thus triggers an unrelated warning
|
|
// for the discarded qualifier.
|
|
// * In C++, this is just a normal warning flag.
|
|
//
|
|
// Implementing this warning correctly in C is hard, so we follow GCC's
|
|
// behavior for now. FIXME: Directly diagnose uses of a string literal as
|
|
// a non-const char* in C, rather than using this crude hack.
|
|
if (!types::isCXX(InputType)) {
|
|
// FIXME: This should behave just like a warning flag, and thus should also
|
|
// respect -Weverything, -Wno-everything, -Werror=write-strings, and so on.
|
|
Arg *WriteStrings =
|
|
Args.getLastArg(options::OPT_Wwrite_strings,
|
|
options::OPT_Wno_write_strings, options::OPT_w);
|
|
if (WriteStrings &&
|
|
WriteStrings->getOption().matches(options::OPT_Wwrite_strings))
|
|
CmdArgs.push_back("-fconst-strings");
|
|
}
|
|
|
|
// GCC provides a macro definition '__DEPRECATED' when -Wdeprecated is active
|
|
// during C++ compilation, which it is by default. GCC keeps this define even
|
|
// in the presence of '-w', match this behavior bug-for-bug.
|
|
if (types::isCXX(InputType) &&
|
|
Args.hasFlag(options::OPT_Wdeprecated, options::OPT_Wno_deprecated,
|
|
true)) {
|
|
CmdArgs.push_back("-fdeprecated-macro");
|
|
}
|
|
|
|
// Translate GCC's misnamer '-fasm' arguments to '-fgnu-keywords'.
|
|
if (Arg *Asm = Args.getLastArg(options::OPT_fasm, options::OPT_fno_asm)) {
|
|
if (Asm->getOption().matches(options::OPT_fasm))
|
|
CmdArgs.push_back("-fgnu-keywords");
|
|
else
|
|
CmdArgs.push_back("-fno-gnu-keywords");
|
|
}
|
|
|
|
if (ShouldDisableCFI(Args, getToolChain()))
|
|
CmdArgs.push_back("-fno-dwarf2-cfi-asm");
|
|
|
|
if (ShouldDisableDwarfDirectory(Args, getToolChain()))
|
|
CmdArgs.push_back("-fno-dwarf-directory-asm");
|
|
|
|
if (ShouldDisableAutolink(Args, getToolChain()))
|
|
CmdArgs.push_back("-fno-autolink");
|
|
|
|
// Add in -fdebug-compilation-dir if necessary.
|
|
addDebugCompDirArg(Args, CmdArgs);
|
|
|
|
if (Arg *A = Args.getLastArg(options::OPT_ftemplate_depth_,
|
|
options::OPT_ftemplate_depth_EQ)) {
|
|
CmdArgs.push_back("-ftemplate-depth");
|
|
CmdArgs.push_back(A->getValue());
|
|
}
|
|
|
|
if (Arg *A = Args.getLastArg(options::OPT_foperator_arrow_depth_EQ)) {
|
|
CmdArgs.push_back("-foperator-arrow-depth");
|
|
CmdArgs.push_back(A->getValue());
|
|
}
|
|
|
|
if (Arg *A = Args.getLastArg(options::OPT_fconstexpr_depth_EQ)) {
|
|
CmdArgs.push_back("-fconstexpr-depth");
|
|
CmdArgs.push_back(A->getValue());
|
|
}
|
|
|
|
if (Arg *A = Args.getLastArg(options::OPT_fconstexpr_steps_EQ)) {
|
|
CmdArgs.push_back("-fconstexpr-steps");
|
|
CmdArgs.push_back(A->getValue());
|
|
}
|
|
|
|
if (Arg *A = Args.getLastArg(options::OPT_fbracket_depth_EQ)) {
|
|
CmdArgs.push_back("-fbracket-depth");
|
|
CmdArgs.push_back(A->getValue());
|
|
}
|
|
|
|
if (Arg *A = Args.getLastArg(options::OPT_Wlarge_by_value_copy_EQ,
|
|
options::OPT_Wlarge_by_value_copy_def)) {
|
|
if (A->getNumValues()) {
|
|
StringRef bytes = A->getValue();
|
|
CmdArgs.push_back(Args.MakeArgString("-Wlarge-by-value-copy=" + bytes));
|
|
} else
|
|
CmdArgs.push_back("-Wlarge-by-value-copy=64"); // default value
|
|
}
|
|
|
|
|
|
if (Args.hasArg(options::OPT_relocatable_pch))
|
|
CmdArgs.push_back("-relocatable-pch");
|
|
|
|
if (Arg *A = Args.getLastArg(options::OPT_fconstant_string_class_EQ)) {
|
|
CmdArgs.push_back("-fconstant-string-class");
|
|
CmdArgs.push_back(A->getValue());
|
|
}
|
|
|
|
if (Arg *A = Args.getLastArg(options::OPT_ftabstop_EQ)) {
|
|
CmdArgs.push_back("-ftabstop");
|
|
CmdArgs.push_back(A->getValue());
|
|
}
|
|
|
|
CmdArgs.push_back("-ferror-limit");
|
|
if (Arg *A = Args.getLastArg(options::OPT_ferror_limit_EQ))
|
|
CmdArgs.push_back(A->getValue());
|
|
else
|
|
CmdArgs.push_back("19");
|
|
|
|
if (Arg *A = Args.getLastArg(options::OPT_fmacro_backtrace_limit_EQ)) {
|
|
CmdArgs.push_back("-fmacro-backtrace-limit");
|
|
CmdArgs.push_back(A->getValue());
|
|
}
|
|
|
|
if (Arg *A = Args.getLastArg(options::OPT_ftemplate_backtrace_limit_EQ)) {
|
|
CmdArgs.push_back("-ftemplate-backtrace-limit");
|
|
CmdArgs.push_back(A->getValue());
|
|
}
|
|
|
|
if (Arg *A = Args.getLastArg(options::OPT_fconstexpr_backtrace_limit_EQ)) {
|
|
CmdArgs.push_back("-fconstexpr-backtrace-limit");
|
|
CmdArgs.push_back(A->getValue());
|
|
}
|
|
|
|
// Pass -fmessage-length=.
|
|
CmdArgs.push_back("-fmessage-length");
|
|
if (Arg *A = Args.getLastArg(options::OPT_fmessage_length_EQ)) {
|
|
CmdArgs.push_back(A->getValue());
|
|
} else {
|
|
// If -fmessage-length=N was not specified, determine whether this is a
|
|
// terminal and, if so, implicitly define -fmessage-length appropriately.
|
|
unsigned N = llvm::sys::Process::StandardErrColumns();
|
|
CmdArgs.push_back(Args.MakeArgString(Twine(N)));
|
|
}
|
|
|
|
// -fvisibility= and -fvisibility-ms-compat are of a piece.
|
|
if (const Arg *A = Args.getLastArg(options::OPT_fvisibility_EQ,
|
|
options::OPT_fvisibility_ms_compat)) {
|
|
if (A->getOption().matches(options::OPT_fvisibility_EQ)) {
|
|
CmdArgs.push_back("-fvisibility");
|
|
CmdArgs.push_back(A->getValue());
|
|
} else {
|
|
assert(A->getOption().matches(options::OPT_fvisibility_ms_compat));
|
|
CmdArgs.push_back("-fvisibility");
|
|
CmdArgs.push_back("hidden");
|
|
CmdArgs.push_back("-ftype-visibility");
|
|
CmdArgs.push_back("default");
|
|
}
|
|
}
|
|
|
|
Args.AddLastArg(CmdArgs, options::OPT_fvisibility_inlines_hidden);
|
|
|
|
Args.AddLastArg(CmdArgs, options::OPT_ftlsmodel_EQ);
|
|
|
|
// -fhosted is default.
|
|
if (Args.hasFlag(options::OPT_ffreestanding, options::OPT_fhosted, false) ||
|
|
KernelOrKext)
|
|
CmdArgs.push_back("-ffreestanding");
|
|
|
|
// Forward -f (flag) options which we can pass directly.
|
|
Args.AddLastArg(CmdArgs, options::OPT_femit_all_decls);
|
|
Args.AddLastArg(CmdArgs, options::OPT_fheinous_gnu_extensions);
|
|
Args.AddLastArg(CmdArgs, options::OPT_fstandalone_debug);
|
|
Args.AddLastArg(CmdArgs, options::OPT_fno_standalone_debug);
|
|
Args.AddLastArg(CmdArgs, options::OPT_fno_operator_names);
|
|
// AltiVec language extensions aren't relevant for assembling.
|
|
if (!isa<PreprocessJobAction>(JA) ||
|
|
Output.getType() != types::TY_PP_Asm)
|
|
Args.AddLastArg(CmdArgs, options::OPT_faltivec);
|
|
Args.AddLastArg(CmdArgs, options::OPT_fdiagnostics_show_template_tree);
|
|
Args.AddLastArg(CmdArgs, options::OPT_fno_elide_type);
|
|
|
|
const SanitizerArgs &Sanitize = getToolChain().getSanitizerArgs();
|
|
Sanitize.addArgs(Args, CmdArgs);
|
|
|
|
if (!Args.hasFlag(options::OPT_fsanitize_recover,
|
|
options::OPT_fno_sanitize_recover,
|
|
true))
|
|
CmdArgs.push_back("-fno-sanitize-recover");
|
|
|
|
if (Args.hasArg(options::OPT_fcatch_undefined_behavior) ||
|
|
Args.hasFlag(options::OPT_fsanitize_undefined_trap_on_error,
|
|
options::OPT_fno_sanitize_undefined_trap_on_error, false))
|
|
CmdArgs.push_back("-fsanitize-undefined-trap-on-error");
|
|
|
|
// Report an error for -faltivec on anything other than PowerPC.
|
|
if (const Arg *A = Args.getLastArg(options::OPT_faltivec))
|
|
if (!(getToolChain().getArch() == llvm::Triple::ppc ||
|
|
getToolChain().getArch() == llvm::Triple::ppc64 ||
|
|
getToolChain().getArch() == llvm::Triple::ppc64le))
|
|
D.Diag(diag::err_drv_argument_only_allowed_with)
|
|
<< A->getAsString(Args) << "ppc/ppc64/ppc64le";
|
|
|
|
if (getToolChain().SupportsProfiling())
|
|
Args.AddLastArg(CmdArgs, options::OPT_pg);
|
|
|
|
// -flax-vector-conversions is default.
|
|
if (!Args.hasFlag(options::OPT_flax_vector_conversions,
|
|
options::OPT_fno_lax_vector_conversions))
|
|
CmdArgs.push_back("-fno-lax-vector-conversions");
|
|
|
|
if (Args.getLastArg(options::OPT_fapple_kext))
|
|
CmdArgs.push_back("-fapple-kext");
|
|
|
|
if (Args.hasFlag(options::OPT_frewrite_includes,
|
|
options::OPT_fno_rewrite_includes, false))
|
|
CmdArgs.push_back("-frewrite-includes");
|
|
|
|
Args.AddLastArg(CmdArgs, options::OPT_fobjc_sender_dependent_dispatch);
|
|
Args.AddLastArg(CmdArgs, options::OPT_fdiagnostics_print_source_range_info);
|
|
Args.AddLastArg(CmdArgs, options::OPT_fdiagnostics_parseable_fixits);
|
|
Args.AddLastArg(CmdArgs, options::OPT_ftime_report);
|
|
Args.AddLastArg(CmdArgs, options::OPT_ftrapv);
|
|
|
|
if (Arg *A = Args.getLastArg(options::OPT_ftrapv_handler_EQ)) {
|
|
CmdArgs.push_back("-ftrapv-handler");
|
|
CmdArgs.push_back(A->getValue());
|
|
}
|
|
|
|
Args.AddLastArg(CmdArgs, options::OPT_ftrap_function_EQ);
|
|
|
|
// -fno-strict-overflow implies -fwrapv if it isn't disabled, but
|
|
// -fstrict-overflow won't turn off an explicitly enabled -fwrapv.
|
|
if (Arg *A = Args.getLastArg(options::OPT_fwrapv,
|
|
options::OPT_fno_wrapv)) {
|
|
if (A->getOption().matches(options::OPT_fwrapv))
|
|
CmdArgs.push_back("-fwrapv");
|
|
} else if (Arg *A = Args.getLastArg(options::OPT_fstrict_overflow,
|
|
options::OPT_fno_strict_overflow)) {
|
|
if (A->getOption().matches(options::OPT_fno_strict_overflow))
|
|
CmdArgs.push_back("-fwrapv");
|
|
}
|
|
|
|
if (Arg *A = Args.getLastArg(options::OPT_freroll_loops,
|
|
options::OPT_fno_reroll_loops))
|
|
if (A->getOption().matches(options::OPT_freroll_loops))
|
|
CmdArgs.push_back("-freroll-loops");
|
|
|
|
Args.AddLastArg(CmdArgs, options::OPT_fwritable_strings);
|
|
Args.AddLastArg(CmdArgs, options::OPT_funroll_loops,
|
|
options::OPT_fno_unroll_loops);
|
|
|
|
Args.AddLastArg(CmdArgs, options::OPT_pthread);
|
|
|
|
|
|
// -stack-protector=0 is default.
|
|
unsigned StackProtectorLevel = 0;
|
|
if (Arg *A = Args.getLastArg(options::OPT_fno_stack_protector,
|
|
options::OPT_fstack_protector_all,
|
|
options::OPT_fstack_protector_strong,
|
|
options::OPT_fstack_protector)) {
|
|
if (A->getOption().matches(options::OPT_fstack_protector))
|
|
StackProtectorLevel = LangOptions::SSPOn;
|
|
else if (A->getOption().matches(options::OPT_fstack_protector_strong))
|
|
StackProtectorLevel = LangOptions::SSPStrong;
|
|
else if (A->getOption().matches(options::OPT_fstack_protector_all))
|
|
StackProtectorLevel = LangOptions::SSPReq;
|
|
} else {
|
|
StackProtectorLevel =
|
|
getToolChain().GetDefaultStackProtectorLevel(KernelOrKext);
|
|
}
|
|
if (StackProtectorLevel) {
|
|
CmdArgs.push_back("-stack-protector");
|
|
CmdArgs.push_back(Args.MakeArgString(Twine(StackProtectorLevel)));
|
|
}
|
|
|
|
// --param ssp-buffer-size=
|
|
for (arg_iterator it = Args.filtered_begin(options::OPT__param),
|
|
ie = Args.filtered_end(); it != ie; ++it) {
|
|
StringRef Str((*it)->getValue());
|
|
if (Str.startswith("ssp-buffer-size=")) {
|
|
if (StackProtectorLevel) {
|
|
CmdArgs.push_back("-stack-protector-buffer-size");
|
|
// FIXME: Verify the argument is a valid integer.
|
|
CmdArgs.push_back(Args.MakeArgString(Str.drop_front(16)));
|
|
}
|
|
(*it)->claim();
|
|
}
|
|
}
|
|
|
|
// Translate -mstackrealign
|
|
if (Args.hasFlag(options::OPT_mstackrealign, options::OPT_mno_stackrealign,
|
|
false)) {
|
|
CmdArgs.push_back("-backend-option");
|
|
CmdArgs.push_back("-force-align-stack");
|
|
}
|
|
if (!Args.hasFlag(options::OPT_mno_stackrealign, options::OPT_mstackrealign,
|
|
false)) {
|
|
CmdArgs.push_back(Args.MakeArgString("-mstackrealign"));
|
|
}
|
|
|
|
if (Args.hasArg(options::OPT_mstack_alignment)) {
|
|
StringRef alignment = Args.getLastArgValue(options::OPT_mstack_alignment);
|
|
CmdArgs.push_back(Args.MakeArgString("-mstack-alignment=" + alignment));
|
|
}
|
|
// -mkernel implies -mstrict-align; don't add the redundant option.
|
|
if (!KernelOrKext) {
|
|
if (Arg *A = Args.getLastArg(options::OPT_mno_unaligned_access,
|
|
options::OPT_munaligned_access)) {
|
|
if (A->getOption().matches(options::OPT_mno_unaligned_access)) {
|
|
CmdArgs.push_back("-backend-option");
|
|
CmdArgs.push_back("-arm-strict-align");
|
|
} else {
|
|
CmdArgs.push_back("-backend-option");
|
|
CmdArgs.push_back("-arm-no-strict-align");
|
|
}
|
|
}
|
|
}
|
|
|
|
if (Arg *A = Args.getLastArg(options::OPT_mrestrict_it,
|
|
options::OPT_mno_restrict_it)) {
|
|
if (A->getOption().matches(options::OPT_mrestrict_it)) {
|
|
CmdArgs.push_back("-backend-option");
|
|
CmdArgs.push_back("-arm-restrict-it");
|
|
} else {
|
|
CmdArgs.push_back("-backend-option");
|
|
CmdArgs.push_back("-arm-no-restrict-it");
|
|
}
|
|
}
|
|
|
|
// Forward -f options with positive and negative forms; we translate
|
|
// these by hand.
|
|
if (Arg *A = Args.getLastArg(options::OPT_fprofile_sample_use_EQ)) {
|
|
StringRef fname = A->getValue();
|
|
if (!llvm::sys::fs::exists(fname))
|
|
D.Diag(diag::err_drv_no_such_file) << fname;
|
|
else
|
|
A->render(Args, CmdArgs);
|
|
}
|
|
|
|
if (Args.hasArg(options::OPT_mkernel)) {
|
|
if (!Args.hasArg(options::OPT_fapple_kext) && types::isCXX(InputType))
|
|
CmdArgs.push_back("-fapple-kext");
|
|
if (!Args.hasArg(options::OPT_fbuiltin))
|
|
CmdArgs.push_back("-fno-builtin");
|
|
Args.ClaimAllArgs(options::OPT_fno_builtin);
|
|
}
|
|
// -fbuiltin is default.
|
|
else if (!Args.hasFlag(options::OPT_fbuiltin, options::OPT_fno_builtin))
|
|
CmdArgs.push_back("-fno-builtin");
|
|
|
|
if (!Args.hasFlag(options::OPT_fassume_sane_operator_new,
|
|
options::OPT_fno_assume_sane_operator_new))
|
|
CmdArgs.push_back("-fno-assume-sane-operator-new");
|
|
|
|
// -fblocks=0 is default.
|
|
if (Args.hasFlag(options::OPT_fblocks, options::OPT_fno_blocks,
|
|
getToolChain().IsBlocksDefault()) ||
|
|
(Args.hasArg(options::OPT_fgnu_runtime) &&
|
|
Args.hasArg(options::OPT_fobjc_nonfragile_abi) &&
|
|
!Args.hasArg(options::OPT_fno_blocks))) {
|
|
CmdArgs.push_back("-fblocks");
|
|
|
|
if (!Args.hasArg(options::OPT_fgnu_runtime) &&
|
|
!getToolChain().hasBlocksRuntime())
|
|
CmdArgs.push_back("-fblocks-runtime-optional");
|
|
}
|
|
|
|
// -fmodules enables modules (off by default). However, for C++/Objective-C++,
|
|
// users must also pass -fcxx-modules. The latter flag will disappear once the
|
|
// modules implementation is solid for C++/Objective-C++ programs as well.
|
|
bool HaveModules = false;
|
|
if (Args.hasFlag(options::OPT_fmodules, options::OPT_fno_modules, false)) {
|
|
bool AllowedInCXX = Args.hasFlag(options::OPT_fcxx_modules,
|
|
options::OPT_fno_cxx_modules,
|
|
false);
|
|
if (AllowedInCXX || !types::isCXX(InputType)) {
|
|
CmdArgs.push_back("-fmodules");
|
|
HaveModules = true;
|
|
}
|
|
}
|
|
|
|
// -fmodule-maps enables module map processing (off by default) for header
|
|
// checking. It is implied by -fmodules.
|
|
if (Args.hasFlag(options::OPT_fmodule_maps, options::OPT_fno_module_maps,
|
|
false)) {
|
|
CmdArgs.push_back("-fmodule-maps");
|
|
}
|
|
|
|
// -fmodules-decluse checks that modules used are declared so (off by
|
|
// default).
|
|
if (Args.hasFlag(options::OPT_fmodules_decluse,
|
|
options::OPT_fno_modules_decluse,
|
|
false)) {
|
|
CmdArgs.push_back("-fmodules-decluse");
|
|
}
|
|
|
|
// -fmodule-name specifies the module that is currently being built (or
|
|
// used for header checking by -fmodule-maps).
|
|
if (Arg *A = Args.getLastArg(options::OPT_fmodule_name)) {
|
|
A->claim();
|
|
A->render(Args, CmdArgs);
|
|
}
|
|
|
|
// -fmodule-map-file can be used to specify a file containing module
|
|
// definitions.
|
|
if (Arg *A = Args.getLastArg(options::OPT_fmodule_map_file)) {
|
|
A->claim();
|
|
A->render(Args, CmdArgs);
|
|
}
|
|
|
|
// If a module path was provided, pass it along. Otherwise, use a temporary
|
|
// directory.
|
|
if (Arg *A = Args.getLastArg(options::OPT_fmodules_cache_path)) {
|
|
A->claim();
|
|
if (HaveModules) {
|
|
A->render(Args, CmdArgs);
|
|
}
|
|
} else if (HaveModules) {
|
|
SmallString<128> DefaultModuleCache;
|
|
llvm::sys::path::system_temp_directory(/*erasedOnReboot=*/false,
|
|
DefaultModuleCache);
|
|
llvm::sys::path::append(DefaultModuleCache, "org.llvm.clang");
|
|
llvm::sys::path::append(DefaultModuleCache, "ModuleCache");
|
|
const char Arg[] = "-fmodules-cache-path=";
|
|
DefaultModuleCache.insert(DefaultModuleCache.begin(),
|
|
Arg, Arg + strlen(Arg));
|
|
CmdArgs.push_back(Args.MakeArgString(DefaultModuleCache));
|
|
}
|
|
|
|
if (Arg *A = Args.getLastArg(options::OPT_fmodules_user_build_path)) {
|
|
A->claim();
|
|
if (HaveModules) {
|
|
A->render(Args, CmdArgs);
|
|
}
|
|
}
|
|
|
|
// Pass through all -fmodules-ignore-macro arguments.
|
|
Args.AddAllArgs(CmdArgs, options::OPT_fmodules_ignore_macro);
|
|
Args.AddLastArg(CmdArgs, options::OPT_fmodules_prune_interval);
|
|
Args.AddLastArg(CmdArgs, options::OPT_fmodules_prune_after);
|
|
|
|
Args.AddLastArg(CmdArgs, options::OPT_fbuild_session_timestamp);
|
|
|
|
if (Args.getLastArg(options::OPT_fmodules_validate_once_per_build_session)) {
|
|
if (!Args.getLastArg(options::OPT_fbuild_session_timestamp))
|
|
D.Diag(diag::err_drv_modules_validate_once_requires_timestamp);
|
|
|
|
Args.AddLastArg(CmdArgs,
|
|
options::OPT_fmodules_validate_once_per_build_session);
|
|
}
|
|
|
|
Args.AddLastArg(CmdArgs, options::OPT_fmodules_validate_system_headers);
|
|
|
|
// -faccess-control is default.
|
|
if (Args.hasFlag(options::OPT_fno_access_control,
|
|
options::OPT_faccess_control,
|
|
false))
|
|
CmdArgs.push_back("-fno-access-control");
|
|
|
|
// -felide-constructors is the default.
|
|
if (Args.hasFlag(options::OPT_fno_elide_constructors,
|
|
options::OPT_felide_constructors,
|
|
false))
|
|
CmdArgs.push_back("-fno-elide-constructors");
|
|
|
|
// -frtti is default.
|
|
if (!Args.hasFlag(options::OPT_frtti, options::OPT_fno_rtti) ||
|
|
KernelOrKext) {
|
|
CmdArgs.push_back("-fno-rtti");
|
|
|
|
// -fno-rtti cannot usefully be combined with -fsanitize=vptr.
|
|
if (Sanitize.sanitizesVptr()) {
|
|
std::string NoRttiArg =
|
|
Args.getLastArg(options::OPT_mkernel,
|
|
options::OPT_fapple_kext,
|
|
options::OPT_fno_rtti)->getAsString(Args);
|
|
D.Diag(diag::err_drv_argument_not_allowed_with)
|
|
<< "-fsanitize=vptr" << NoRttiArg;
|
|
}
|
|
}
|
|
|
|
// -fshort-enums=0 is default for all architectures except Hexagon.
|
|
if (Args.hasFlag(options::OPT_fshort_enums,
|
|
options::OPT_fno_short_enums,
|
|
getToolChain().getArch() ==
|
|
llvm::Triple::hexagon))
|
|
CmdArgs.push_back("-fshort-enums");
|
|
|
|
// -fsigned-char is default.
|
|
if (!Args.hasFlag(options::OPT_fsigned_char, options::OPT_funsigned_char,
|
|
isSignedCharDefault(getToolChain().getTriple())))
|
|
CmdArgs.push_back("-fno-signed-char");
|
|
|
|
// -fthreadsafe-static is default.
|
|
if (!Args.hasFlag(options::OPT_fthreadsafe_statics,
|
|
options::OPT_fno_threadsafe_statics))
|
|
CmdArgs.push_back("-fno-threadsafe-statics");
|
|
|
|
// -fuse-cxa-atexit is default.
|
|
if (!Args.hasFlag(
|
|
options::OPT_fuse_cxa_atexit, options::OPT_fno_use_cxa_atexit,
|
|
getToolChain().getTriple().getOS() != llvm::Triple::Cygwin &&
|
|
getToolChain().getTriple().getOS() != llvm::Triple::MinGW32 &&
|
|
getToolChain().getArch() != llvm::Triple::hexagon &&
|
|
getToolChain().getArch() != llvm::Triple::xcore) ||
|
|
KernelOrKext)
|
|
CmdArgs.push_back("-fno-use-cxa-atexit");
|
|
|
|
// -fms-extensions=0 is default.
|
|
if (Args.hasFlag(options::OPT_fms_extensions, options::OPT_fno_ms_extensions,
|
|
getToolChain().getTriple().getOS() == llvm::Triple::Win32))
|
|
CmdArgs.push_back("-fms-extensions");
|
|
|
|
// -fms-compatibility=0 is default.
|
|
if (Args.hasFlag(options::OPT_fms_compatibility,
|
|
options::OPT_fno_ms_compatibility,
|
|
(getToolChain().getTriple().getOS() == llvm::Triple::Win32 &&
|
|
Args.hasFlag(options::OPT_fms_extensions,
|
|
options::OPT_fno_ms_extensions,
|
|
true))))
|
|
CmdArgs.push_back("-fms-compatibility");
|
|
|
|
// -fmsc-version=1700 is default.
|
|
if (Args.hasFlag(options::OPT_fms_extensions, options::OPT_fno_ms_extensions,
|
|
getToolChain().getTriple().getOS() == llvm::Triple::Win32) ||
|
|
Args.hasArg(options::OPT_fmsc_version)) {
|
|
StringRef msc_ver = Args.getLastArgValue(options::OPT_fmsc_version);
|
|
if (msc_ver.empty())
|
|
CmdArgs.push_back("-fmsc-version=1700");
|
|
else
|
|
CmdArgs.push_back(Args.MakeArgString("-fmsc-version=" + msc_ver));
|
|
}
|
|
|
|
|
|
// -fno-borland-extensions is default.
|
|
if (Args.hasFlag(options::OPT_fborland_extensions,
|
|
options::OPT_fno_borland_extensions, false))
|
|
CmdArgs.push_back("-fborland-extensions");
|
|
|
|
// -fno-delayed-template-parsing is default, except for Windows where MSVC STL
|
|
// needs it.
|
|
if (Args.hasFlag(options::OPT_fdelayed_template_parsing,
|
|
options::OPT_fno_delayed_template_parsing,
|
|
getToolChain().getTriple().getOS() == llvm::Triple::Win32))
|
|
CmdArgs.push_back("-fdelayed-template-parsing");
|
|
|
|
// -fgnu-keywords default varies depending on language; only pass if
|
|
// specified.
|
|
if (Arg *A = Args.getLastArg(options::OPT_fgnu_keywords,
|
|
options::OPT_fno_gnu_keywords))
|
|
A->render(Args, CmdArgs);
|
|
|
|
if (Args.hasFlag(options::OPT_fgnu89_inline,
|
|
options::OPT_fno_gnu89_inline,
|
|
false))
|
|
CmdArgs.push_back("-fgnu89-inline");
|
|
|
|
if (Args.hasArg(options::OPT_fno_inline))
|
|
CmdArgs.push_back("-fno-inline");
|
|
|
|
if (Args.hasArg(options::OPT_fno_inline_functions))
|
|
CmdArgs.push_back("-fno-inline-functions");
|
|
|
|
ObjCRuntime objcRuntime = AddObjCRuntimeArgs(Args, CmdArgs, rewriteKind);
|
|
|
|
// -fobjc-dispatch-method is only relevant with the nonfragile-abi, and
|
|
// legacy is the default. Except for deployment taget of 10.5,
|
|
// next runtime is always legacy dispatch and -fno-objc-legacy-dispatch
|
|
// gets ignored silently.
|
|
if (objcRuntime.isNonFragile()) {
|
|
if (!Args.hasFlag(options::OPT_fobjc_legacy_dispatch,
|
|
options::OPT_fno_objc_legacy_dispatch,
|
|
objcRuntime.isLegacyDispatchDefaultForArch(
|
|
getToolChain().getArch()))) {
|
|
if (getToolChain().UseObjCMixedDispatch())
|
|
CmdArgs.push_back("-fobjc-dispatch-method=mixed");
|
|
else
|
|
CmdArgs.push_back("-fobjc-dispatch-method=non-legacy");
|
|
}
|
|
}
|
|
|
|
// When ObjectiveC legacy runtime is in effect on MacOSX,
|
|
// turn on the option to do Array/Dictionary subscripting
|
|
// by default.
|
|
if (getToolChain().getTriple().getArch() == llvm::Triple::x86 &&
|
|
getToolChain().getTriple().isMacOSX() &&
|
|
!getToolChain().getTriple().isMacOSXVersionLT(10, 7) &&
|
|
objcRuntime.getKind() == ObjCRuntime::FragileMacOSX &&
|
|
objcRuntime.isNeXTFamily())
|
|
CmdArgs.push_back("-fobjc-subscripting-legacy-runtime");
|
|
|
|
// -fencode-extended-block-signature=1 is default.
|
|
if (getToolChain().IsEncodeExtendedBlockSignatureDefault()) {
|
|
CmdArgs.push_back("-fencode-extended-block-signature");
|
|
}
|
|
|
|
// Allow -fno-objc-arr to trump -fobjc-arr/-fobjc-arc.
|
|
// NOTE: This logic is duplicated in ToolChains.cpp.
|
|
bool ARC = isObjCAutoRefCount(Args);
|
|
if (ARC) {
|
|
getToolChain().CheckObjCARC();
|
|
|
|
CmdArgs.push_back("-fobjc-arc");
|
|
|
|
// FIXME: It seems like this entire block, and several around it should be
|
|
// wrapped in isObjC, but for now we just use it here as this is where it
|
|
// was being used previously.
|
|
if (types::isCXX(InputType) && types::isObjC(InputType)) {
|
|
if (getToolChain().GetCXXStdlibType(Args) == ToolChain::CST_Libcxx)
|
|
CmdArgs.push_back("-fobjc-arc-cxxlib=libc++");
|
|
else
|
|
CmdArgs.push_back("-fobjc-arc-cxxlib=libstdc++");
|
|
}
|
|
|
|
// Allow the user to enable full exceptions code emission.
|
|
// We define off for Objective-CC, on for Objective-C++.
|
|
if (Args.hasFlag(options::OPT_fobjc_arc_exceptions,
|
|
options::OPT_fno_objc_arc_exceptions,
|
|
/*default*/ types::isCXX(InputType)))
|
|
CmdArgs.push_back("-fobjc-arc-exceptions");
|
|
}
|
|
|
|
// -fobjc-infer-related-result-type is the default, except in the Objective-C
|
|
// rewriter.
|
|
if (rewriteKind != RK_None)
|
|
CmdArgs.push_back("-fno-objc-infer-related-result-type");
|
|
|
|
// Handle -fobjc-gc and -fobjc-gc-only. They are exclusive, and -fobjc-gc-only
|
|
// takes precedence.
|
|
const Arg *GCArg = Args.getLastArg(options::OPT_fobjc_gc_only);
|
|
if (!GCArg)
|
|
GCArg = Args.getLastArg(options::OPT_fobjc_gc);
|
|
if (GCArg) {
|
|
if (ARC) {
|
|
D.Diag(diag::err_drv_objc_gc_arr)
|
|
<< GCArg->getAsString(Args);
|
|
} else if (getToolChain().SupportsObjCGC()) {
|
|
GCArg->render(Args, CmdArgs);
|
|
} else {
|
|
// FIXME: We should move this to a hard error.
|
|
D.Diag(diag::warn_drv_objc_gc_unsupported)
|
|
<< GCArg->getAsString(Args);
|
|
}
|
|
}
|
|
|
|
// Add exception args.
|
|
addExceptionArgs(Args, InputType, getToolChain().getTriple(),
|
|
KernelOrKext, objcRuntime, CmdArgs);
|
|
|
|
if (getToolChain().UseSjLjExceptions())
|
|
CmdArgs.push_back("-fsjlj-exceptions");
|
|
|
|
// C++ "sane" operator new.
|
|
if (!Args.hasFlag(options::OPT_fassume_sane_operator_new,
|
|
options::OPT_fno_assume_sane_operator_new))
|
|
CmdArgs.push_back("-fno-assume-sane-operator-new");
|
|
|
|
// -fconstant-cfstrings is default, and may be subject to argument translation
|
|
// on Darwin.
|
|
if (!Args.hasFlag(options::OPT_fconstant_cfstrings,
|
|
options::OPT_fno_constant_cfstrings) ||
|
|
!Args.hasFlag(options::OPT_mconstant_cfstrings,
|
|
options::OPT_mno_constant_cfstrings))
|
|
CmdArgs.push_back("-fno-constant-cfstrings");
|
|
|
|
// -fshort-wchar default varies depending on platform; only
|
|
// pass if specified.
|
|
if (Arg *A = Args.getLastArg(options::OPT_fshort_wchar,
|
|
options::OPT_fno_short_wchar))
|
|
A->render(Args, CmdArgs);
|
|
|
|
// -fno-pascal-strings is default, only pass non-default.
|
|
if (Args.hasFlag(options::OPT_fpascal_strings,
|
|
options::OPT_fno_pascal_strings,
|
|
false))
|
|
CmdArgs.push_back("-fpascal-strings");
|
|
|
|
// Honor -fpack-struct= and -fpack-struct, if given. Note that
|
|
// -fno-pack-struct doesn't apply to -fpack-struct=.
|
|
if (Arg *A = Args.getLastArg(options::OPT_fpack_struct_EQ)) {
|
|
std::string PackStructStr = "-fpack-struct=";
|
|
PackStructStr += A->getValue();
|
|
CmdArgs.push_back(Args.MakeArgString(PackStructStr));
|
|
} else if (Args.hasFlag(options::OPT_fpack_struct,
|
|
options::OPT_fno_pack_struct, false)) {
|
|
CmdArgs.push_back("-fpack-struct=1");
|
|
}
|
|
|
|
if (KernelOrKext || isNoCommonDefault(getToolChain().getTriple())) {
|
|
if (!Args.hasArg(options::OPT_fcommon))
|
|
CmdArgs.push_back("-fno-common");
|
|
Args.ClaimAllArgs(options::OPT_fno_common);
|
|
}
|
|
|
|
// -fcommon is default, only pass non-default.
|
|
else if (!Args.hasFlag(options::OPT_fcommon, options::OPT_fno_common))
|
|
CmdArgs.push_back("-fno-common");
|
|
|
|
// -fsigned-bitfields is default, and clang doesn't yet support
|
|
// -funsigned-bitfields.
|
|
if (!Args.hasFlag(options::OPT_fsigned_bitfields,
|
|
options::OPT_funsigned_bitfields))
|
|
D.Diag(diag::warn_drv_clang_unsupported)
|
|
<< Args.getLastArg(options::OPT_funsigned_bitfields)->getAsString(Args);
|
|
|
|
// -fsigned-bitfields is default, and clang doesn't support -fno-for-scope.
|
|
if (!Args.hasFlag(options::OPT_ffor_scope,
|
|
options::OPT_fno_for_scope))
|
|
D.Diag(diag::err_drv_clang_unsupported)
|
|
<< Args.getLastArg(options::OPT_fno_for_scope)->getAsString(Args);
|
|
|
|
// -fcaret-diagnostics is default.
|
|
if (!Args.hasFlag(options::OPT_fcaret_diagnostics,
|
|
options::OPT_fno_caret_diagnostics, true))
|
|
CmdArgs.push_back("-fno-caret-diagnostics");
|
|
|
|
// -fdiagnostics-fixit-info is default, only pass non-default.
|
|
if (!Args.hasFlag(options::OPT_fdiagnostics_fixit_info,
|
|
options::OPT_fno_diagnostics_fixit_info))
|
|
CmdArgs.push_back("-fno-diagnostics-fixit-info");
|
|
|
|
// Enable -fdiagnostics-show-option by default.
|
|
if (Args.hasFlag(options::OPT_fdiagnostics_show_option,
|
|
options::OPT_fno_diagnostics_show_option))
|
|
CmdArgs.push_back("-fdiagnostics-show-option");
|
|
|
|
if (const Arg *A =
|
|
Args.getLastArg(options::OPT_fdiagnostics_show_category_EQ)) {
|
|
CmdArgs.push_back("-fdiagnostics-show-category");
|
|
CmdArgs.push_back(A->getValue());
|
|
}
|
|
|
|
if (const Arg *A =
|
|
Args.getLastArg(options::OPT_fdiagnostics_format_EQ)) {
|
|
CmdArgs.push_back("-fdiagnostics-format");
|
|
CmdArgs.push_back(A->getValue());
|
|
}
|
|
|
|
if (Arg *A = Args.getLastArg(
|
|
options::OPT_fdiagnostics_show_note_include_stack,
|
|
options::OPT_fno_diagnostics_show_note_include_stack)) {
|
|
if (A->getOption().matches(
|
|
options::OPT_fdiagnostics_show_note_include_stack))
|
|
CmdArgs.push_back("-fdiagnostics-show-note-include-stack");
|
|
else
|
|
CmdArgs.push_back("-fno-diagnostics-show-note-include-stack");
|
|
}
|
|
|
|
// Color diagnostics are the default, unless the terminal doesn't support
|
|
// them.
|
|
// Support both clang's -f[no-]color-diagnostics and gcc's
|
|
// -f[no-]diagnostics-colors[=never|always|auto].
|
|
enum { Colors_On, Colors_Off, Colors_Auto } ShowColors = Colors_Auto;
|
|
for (ArgList::const_iterator it = Args.begin(), ie = Args.end();
|
|
it != ie; ++it) {
|
|
const Option &O = (*it)->getOption();
|
|
if (!O.matches(options::OPT_fcolor_diagnostics) &&
|
|
!O.matches(options::OPT_fdiagnostics_color) &&
|
|
!O.matches(options::OPT_fno_color_diagnostics) &&
|
|
!O.matches(options::OPT_fno_diagnostics_color) &&
|
|
!O.matches(options::OPT_fdiagnostics_color_EQ))
|
|
continue;
|
|
|
|
(*it)->claim();
|
|
if (O.matches(options::OPT_fcolor_diagnostics) ||
|
|
O.matches(options::OPT_fdiagnostics_color)) {
|
|
ShowColors = Colors_On;
|
|
} else if (O.matches(options::OPT_fno_color_diagnostics) ||
|
|
O.matches(options::OPT_fno_diagnostics_color)) {
|
|
ShowColors = Colors_Off;
|
|
} else {
|
|
assert(O.matches(options::OPT_fdiagnostics_color_EQ));
|
|
StringRef value((*it)->getValue());
|
|
if (value == "always")
|
|
ShowColors = Colors_On;
|
|
else if (value == "never")
|
|
ShowColors = Colors_Off;
|
|
else if (value == "auto")
|
|
ShowColors = Colors_Auto;
|
|
else
|
|
getToolChain().getDriver().Diag(diag::err_drv_clang_unsupported)
|
|
<< ("-fdiagnostics-color=" + value).str();
|
|
}
|
|
}
|
|
if (ShowColors == Colors_On ||
|
|
(ShowColors == Colors_Auto && llvm::sys::Process::StandardErrHasColors()))
|
|
CmdArgs.push_back("-fcolor-diagnostics");
|
|
|
|
if (Args.hasArg(options::OPT_fansi_escape_codes))
|
|
CmdArgs.push_back("-fansi-escape-codes");
|
|
|
|
if (!Args.hasFlag(options::OPT_fshow_source_location,
|
|
options::OPT_fno_show_source_location))
|
|
CmdArgs.push_back("-fno-show-source-location");
|
|
|
|
if (!Args.hasFlag(options::OPT_fshow_column,
|
|
options::OPT_fno_show_column,
|
|
true))
|
|
CmdArgs.push_back("-fno-show-column");
|
|
|
|
if (!Args.hasFlag(options::OPT_fspell_checking,
|
|
options::OPT_fno_spell_checking))
|
|
CmdArgs.push_back("-fno-spell-checking");
|
|
|
|
|
|
// -fno-asm-blocks is default.
|
|
if (Args.hasFlag(options::OPT_fasm_blocks, options::OPT_fno_asm_blocks,
|
|
false))
|
|
CmdArgs.push_back("-fasm-blocks");
|
|
|
|
// Enable vectorization per default according to the optimization level
|
|
// selected. For optimization levels that want vectorization we use the alias
|
|
// option to simplify the hasFlag logic.
|
|
bool EnableVec = shouldEnableVectorizerAtOLevel(Args);
|
|
OptSpecifier VectorizeAliasOption = EnableVec ? options::OPT_O_Group :
|
|
options::OPT_fvectorize;
|
|
if (Args.hasFlag(options::OPT_fvectorize, VectorizeAliasOption,
|
|
options::OPT_fno_vectorize, EnableVec))
|
|
CmdArgs.push_back("-vectorize-loops");
|
|
|
|
// -fslp-vectorize is default.
|
|
if (Args.hasFlag(options::OPT_fslp_vectorize,
|
|
options::OPT_fno_slp_vectorize, true))
|
|
CmdArgs.push_back("-vectorize-slp");
|
|
|
|
// -fno-slp-vectorize-aggressive is default.
|
|
if (Args.hasFlag(options::OPT_fslp_vectorize_aggressive,
|
|
options::OPT_fno_slp_vectorize_aggressive, false))
|
|
CmdArgs.push_back("-vectorize-slp-aggressive");
|
|
|
|
if (Arg *A = Args.getLastArg(options::OPT_fshow_overloads_EQ))
|
|
A->render(Args, CmdArgs);
|
|
|
|
// -fdollars-in-identifiers default varies depending on platform and
|
|
// language; only pass if specified.
|
|
if (Arg *A = Args.getLastArg(options::OPT_fdollars_in_identifiers,
|
|
options::OPT_fno_dollars_in_identifiers)) {
|
|
if (A->getOption().matches(options::OPT_fdollars_in_identifiers))
|
|
CmdArgs.push_back("-fdollars-in-identifiers");
|
|
else
|
|
CmdArgs.push_back("-fno-dollars-in-identifiers");
|
|
}
|
|
|
|
// -funit-at-a-time is default, and we don't support -fno-unit-at-a-time for
|
|
// practical purposes.
|
|
if (Arg *A = Args.getLastArg(options::OPT_funit_at_a_time,
|
|
options::OPT_fno_unit_at_a_time)) {
|
|
if (A->getOption().matches(options::OPT_fno_unit_at_a_time))
|
|
D.Diag(diag::warn_drv_clang_unsupported) << A->getAsString(Args);
|
|
}
|
|
|
|
if (Args.hasFlag(options::OPT_fapple_pragma_pack,
|
|
options::OPT_fno_apple_pragma_pack, false))
|
|
CmdArgs.push_back("-fapple-pragma-pack");
|
|
|
|
// le32-specific flags:
|
|
// -fno-math-builtin: clang should not convert math builtins to intrinsics
|
|
// by default.
|
|
if (getToolChain().getArch() == llvm::Triple::le32) {
|
|
CmdArgs.push_back("-fno-math-builtin");
|
|
}
|
|
|
|
// Default to -fno-builtin-str{cat,cpy} on Darwin for ARM.
|
|
//
|
|
// FIXME: This is disabled until clang -cc1 supports -fno-builtin-foo. PR4941.
|
|
#if 0
|
|
if (getToolChain().getTriple().isOSDarwin() &&
|
|
(getToolChain().getArch() == llvm::Triple::arm ||
|
|
getToolChain().getArch() == llvm::Triple::thumb)) {
|
|
if (!Args.hasArg(options::OPT_fbuiltin_strcat))
|
|
CmdArgs.push_back("-fno-builtin-strcat");
|
|
if (!Args.hasArg(options::OPT_fbuiltin_strcpy))
|
|
CmdArgs.push_back("-fno-builtin-strcpy");
|
|
}
|
|
#endif
|
|
|
|
// Only allow -traditional or -traditional-cpp outside in preprocessing modes.
|
|
if (Arg *A = Args.getLastArg(options::OPT_traditional,
|
|
options::OPT_traditional_cpp)) {
|
|
if (isa<PreprocessJobAction>(JA))
|
|
CmdArgs.push_back("-traditional-cpp");
|
|
else
|
|
D.Diag(diag::err_drv_clang_unsupported) << A->getAsString(Args);
|
|
}
|
|
|
|
Args.AddLastArg(CmdArgs, options::OPT_dM);
|
|
Args.AddLastArg(CmdArgs, options::OPT_dD);
|
|
|
|
// Handle serialized diagnostics.
|
|
if (Arg *A = Args.getLastArg(options::OPT__serialize_diags)) {
|
|
CmdArgs.push_back("-serialize-diagnostic-file");
|
|
CmdArgs.push_back(Args.MakeArgString(A->getValue()));
|
|
}
|
|
|
|
if (Args.hasArg(options::OPT_fretain_comments_from_system_headers))
|
|
CmdArgs.push_back("-fretain-comments-from-system-headers");
|
|
|
|
// Forward -fcomment-block-commands to -cc1.
|
|
Args.AddAllArgs(CmdArgs, options::OPT_fcomment_block_commands);
|
|
// Forward -fparse-all-comments to -cc1.
|
|
Args.AddAllArgs(CmdArgs, options::OPT_fparse_all_comments);
|
|
|
|
// Forward -Xclang arguments to -cc1, and -mllvm arguments to the LLVM option
|
|
// parser.
|
|
Args.AddAllArgValues(CmdArgs, options::OPT_Xclang);
|
|
for (arg_iterator it = Args.filtered_begin(options::OPT_mllvm),
|
|
ie = Args.filtered_end(); it != ie; ++it) {
|
|
(*it)->claim();
|
|
|
|
// We translate this by hand to the -cc1 argument, since nightly test uses
|
|
// it and developers have been trained to spell it with -mllvm.
|
|
if (StringRef((*it)->getValue(0)) == "-disable-llvm-optzns")
|
|
CmdArgs.push_back("-disable-llvm-optzns");
|
|
else
|
|
(*it)->render(Args, CmdArgs);
|
|
}
|
|
|
|
if (Output.getType() == types::TY_Dependencies) {
|
|
// Handled with other dependency code.
|
|
} else if (Output.isFilename()) {
|
|
CmdArgs.push_back("-o");
|
|
CmdArgs.push_back(Output.getFilename());
|
|
} else {
|
|
assert(Output.isNothing() && "Invalid output.");
|
|
}
|
|
|
|
for (InputInfoList::const_iterator
|
|
it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
|
|
const InputInfo &II = *it;
|
|
|
|
addDashXForInput(Args, II, CmdArgs);
|
|
|
|
if (II.isFilename())
|
|
CmdArgs.push_back(II.getFilename());
|
|
else
|
|
II.getInputArg().renderAsInput(Args, CmdArgs);
|
|
}
|
|
|
|
Args.AddAllArgs(CmdArgs, options::OPT_undef);
|
|
|
|
const char *Exec = getToolChain().getDriver().getClangProgramPath();
|
|
|
|
// Optionally embed the -cc1 level arguments into the debug info, for build
|
|
// analysis.
|
|
if (getToolChain().UseDwarfDebugFlags()) {
|
|
ArgStringList OriginalArgs;
|
|
for (ArgList::const_iterator it = Args.begin(),
|
|
ie = Args.end(); it != ie; ++it)
|
|
(*it)->render(Args, OriginalArgs);
|
|
|
|
SmallString<256> Flags;
|
|
Flags += Exec;
|
|
for (unsigned i = 0, e = OriginalArgs.size(); i != e; ++i) {
|
|
Flags += " ";
|
|
Flags += OriginalArgs[i];
|
|
}
|
|
CmdArgs.push_back("-dwarf-debug-flags");
|
|
CmdArgs.push_back(Args.MakeArgString(Flags.str()));
|
|
}
|
|
|
|
// Add the split debug info name to the command lines here so we
|
|
// can propagate it to the backend.
|
|
bool SplitDwarf = Args.hasArg(options::OPT_gsplit_dwarf) &&
|
|
getToolChain().getTriple().isOSLinux() &&
|
|
(isa<AssembleJobAction>(JA) || isa<CompileJobAction>(JA));
|
|
const char *SplitDwarfOut;
|
|
if (SplitDwarf) {
|
|
CmdArgs.push_back("-split-dwarf-file");
|
|
SplitDwarfOut = SplitDebugName(Args, Inputs);
|
|
CmdArgs.push_back(SplitDwarfOut);
|
|
}
|
|
|
|
// Finally add the compile command to the compilation.
|
|
if (Args.hasArg(options::OPT__SLASH_fallback) &&
|
|
Output.getType() == types::TY_Object) {
|
|
tools::visualstudio::Compile CL(getToolChain());
|
|
Command *CLCommand = CL.GetCommand(C, JA, Output, Inputs, Args,
|
|
LinkingOutput);
|
|
C.addCommand(new FallbackCommand(JA, *this, Exec, CmdArgs, CLCommand));
|
|
} else {
|
|
C.addCommand(new Command(JA, *this, Exec, CmdArgs));
|
|
}
|
|
|
|
|
|
// Handle the debug info splitting at object creation time if we're
|
|
// creating an object.
|
|
// TODO: Currently only works on linux with newer objcopy.
|
|
if (SplitDwarf && !isa<CompileJobAction>(JA))
|
|
SplitDebugInfo(getToolChain(), C, *this, JA, Args, Output, SplitDwarfOut);
|
|
|
|
if (Arg *A = Args.getLastArg(options::OPT_pg))
|
|
if (Args.hasArg(options::OPT_fomit_frame_pointer))
|
|
D.Diag(diag::err_drv_argument_not_allowed_with)
|
|
<< "-fomit-frame-pointer" << A->getAsString(Args);
|
|
|
|
// Claim some arguments which clang supports automatically.
|
|
|
|
// -fpch-preprocess is used with gcc to add a special marker in the output to
|
|
// include the PCH file. Clang's PTH solution is completely transparent, so we
|
|
// do not need to deal with it at all.
|
|
Args.ClaimAllArgs(options::OPT_fpch_preprocess);
|
|
|
|
// Claim some arguments which clang doesn't support, but we don't
|
|
// care to warn the user about.
|
|
Args.ClaimAllArgs(options::OPT_clang_ignored_f_Group);
|
|
Args.ClaimAllArgs(options::OPT_clang_ignored_m_Group);
|
|
|
|
// Disable warnings for clang -E -emit-llvm foo.c
|
|
Args.ClaimAllArgs(options::OPT_emit_llvm);
|
|
}
|
|
|
|
/// Add options related to the Objective-C runtime/ABI.
|
|
///
|
|
/// Returns true if the runtime is non-fragile.
|
|
ObjCRuntime Clang::AddObjCRuntimeArgs(const ArgList &args,
|
|
ArgStringList &cmdArgs,
|
|
RewriteKind rewriteKind) const {
|
|
// Look for the controlling runtime option.
|
|
Arg *runtimeArg = args.getLastArg(options::OPT_fnext_runtime,
|
|
options::OPT_fgnu_runtime,
|
|
options::OPT_fobjc_runtime_EQ);
|
|
|
|
// Just forward -fobjc-runtime= to the frontend. This supercedes
|
|
// options about fragility.
|
|
if (runtimeArg &&
|
|
runtimeArg->getOption().matches(options::OPT_fobjc_runtime_EQ)) {
|
|
ObjCRuntime runtime;
|
|
StringRef value = runtimeArg->getValue();
|
|
if (runtime.tryParse(value)) {
|
|
getToolChain().getDriver().Diag(diag::err_drv_unknown_objc_runtime)
|
|
<< value;
|
|
}
|
|
|
|
runtimeArg->render(args, cmdArgs);
|
|
return runtime;
|
|
}
|
|
|
|
// Otherwise, we'll need the ABI "version". Version numbers are
|
|
// slightly confusing for historical reasons:
|
|
// 1 - Traditional "fragile" ABI
|
|
// 2 - Non-fragile ABI, version 1
|
|
// 3 - Non-fragile ABI, version 2
|
|
unsigned objcABIVersion = 1;
|
|
// If -fobjc-abi-version= is present, use that to set the version.
|
|
if (Arg *abiArg = args.getLastArg(options::OPT_fobjc_abi_version_EQ)) {
|
|
StringRef value = abiArg->getValue();
|
|
if (value == "1")
|
|
objcABIVersion = 1;
|
|
else if (value == "2")
|
|
objcABIVersion = 2;
|
|
else if (value == "3")
|
|
objcABIVersion = 3;
|
|
else
|
|
getToolChain().getDriver().Diag(diag::err_drv_clang_unsupported)
|
|
<< value;
|
|
} else {
|
|
// Otherwise, determine if we are using the non-fragile ABI.
|
|
bool nonFragileABIIsDefault =
|
|
(rewriteKind == RK_NonFragile ||
|
|
(rewriteKind == RK_None &&
|
|
getToolChain().IsObjCNonFragileABIDefault()));
|
|
if (args.hasFlag(options::OPT_fobjc_nonfragile_abi,
|
|
options::OPT_fno_objc_nonfragile_abi,
|
|
nonFragileABIIsDefault)) {
|
|
// Determine the non-fragile ABI version to use.
|
|
#ifdef DISABLE_DEFAULT_NONFRAGILEABI_TWO
|
|
unsigned nonFragileABIVersion = 1;
|
|
#else
|
|
unsigned nonFragileABIVersion = 2;
|
|
#endif
|
|
|
|
if (Arg *abiArg = args.getLastArg(
|
|
options::OPT_fobjc_nonfragile_abi_version_EQ)) {
|
|
StringRef value = abiArg->getValue();
|
|
if (value == "1")
|
|
nonFragileABIVersion = 1;
|
|
else if (value == "2")
|
|
nonFragileABIVersion = 2;
|
|
else
|
|
getToolChain().getDriver().Diag(diag::err_drv_clang_unsupported)
|
|
<< value;
|
|
}
|
|
|
|
objcABIVersion = 1 + nonFragileABIVersion;
|
|
} else {
|
|
objcABIVersion = 1;
|
|
}
|
|
}
|
|
|
|
// We don't actually care about the ABI version other than whether
|
|
// it's non-fragile.
|
|
bool isNonFragile = objcABIVersion != 1;
|
|
|
|
// If we have no runtime argument, ask the toolchain for its default runtime.
|
|
// However, the rewriter only really supports the Mac runtime, so assume that.
|
|
ObjCRuntime runtime;
|
|
if (!runtimeArg) {
|
|
switch (rewriteKind) {
|
|
case RK_None:
|
|
runtime = getToolChain().getDefaultObjCRuntime(isNonFragile);
|
|
break;
|
|
case RK_Fragile:
|
|
runtime = ObjCRuntime(ObjCRuntime::FragileMacOSX, VersionTuple());
|
|
break;
|
|
case RK_NonFragile:
|
|
runtime = ObjCRuntime(ObjCRuntime::MacOSX, VersionTuple());
|
|
break;
|
|
}
|
|
|
|
// -fnext-runtime
|
|
} else if (runtimeArg->getOption().matches(options::OPT_fnext_runtime)) {
|
|
// On Darwin, make this use the default behavior for the toolchain.
|
|
if (getToolChain().getTriple().isOSDarwin()) {
|
|
runtime = getToolChain().getDefaultObjCRuntime(isNonFragile);
|
|
|
|
// Otherwise, build for a generic macosx port.
|
|
} else {
|
|
runtime = ObjCRuntime(ObjCRuntime::MacOSX, VersionTuple());
|
|
}
|
|
|
|
// -fgnu-runtime
|
|
} else {
|
|
assert(runtimeArg->getOption().matches(options::OPT_fgnu_runtime));
|
|
// Legacy behaviour is to target the gnustep runtime if we are i
|
|
// non-fragile mode or the GCC runtime in fragile mode.
|
|
if (isNonFragile)
|
|
runtime = ObjCRuntime(ObjCRuntime::GNUstep, VersionTuple(1,6));
|
|
else
|
|
runtime = ObjCRuntime(ObjCRuntime::GCC, VersionTuple());
|
|
}
|
|
|
|
cmdArgs.push_back(args.MakeArgString(
|
|
"-fobjc-runtime=" + runtime.getAsString()));
|
|
return runtime;
|
|
}
|
|
|
|
void Clang::AddClangCLArgs(const ArgList &Args, ArgStringList &CmdArgs) const {
|
|
unsigned RTOptionID = options::OPT__SLASH_MT;
|
|
|
|
if (Args.hasArg(options::OPT__SLASH_LDd))
|
|
// The /LDd option implies /MTd. The dependent lib part can be overridden,
|
|
// but defining _DEBUG is sticky.
|
|
RTOptionID = options::OPT__SLASH_MTd;
|
|
|
|
if (Arg *A = Args.getLastArg(options::OPT__SLASH_M_Group))
|
|
RTOptionID = A->getOption().getID();
|
|
|
|
switch(RTOptionID) {
|
|
case options::OPT__SLASH_MD:
|
|
if (Args.hasArg(options::OPT__SLASH_LDd))
|
|
CmdArgs.push_back("-D_DEBUG");
|
|
CmdArgs.push_back("-D_MT");
|
|
CmdArgs.push_back("-D_DLL");
|
|
CmdArgs.push_back("--dependent-lib=msvcrt");
|
|
break;
|
|
case options::OPT__SLASH_MDd:
|
|
CmdArgs.push_back("-D_DEBUG");
|
|
CmdArgs.push_back("-D_MT");
|
|
CmdArgs.push_back("-D_DLL");
|
|
CmdArgs.push_back("--dependent-lib=msvcrtd");
|
|
break;
|
|
case options::OPT__SLASH_MT:
|
|
if (Args.hasArg(options::OPT__SLASH_LDd))
|
|
CmdArgs.push_back("-D_DEBUG");
|
|
CmdArgs.push_back("-D_MT");
|
|
CmdArgs.push_back("--dependent-lib=libcmt");
|
|
break;
|
|
case options::OPT__SLASH_MTd:
|
|
CmdArgs.push_back("-D_DEBUG");
|
|
CmdArgs.push_back("-D_MT");
|
|
CmdArgs.push_back("--dependent-lib=libcmtd");
|
|
break;
|
|
default:
|
|
llvm_unreachable("Unexpected option ID.");
|
|
}
|
|
|
|
// This provides POSIX compatibility (maps 'open' to '_open'), which most
|
|
// users want. The /Za flag to cl.exe turns this off, but it's not
|
|
// implemented in clang.
|
|
CmdArgs.push_back("--dependent-lib=oldnames");
|
|
|
|
if (Arg *A = Args.getLastArg(options::OPT_show_includes))
|
|
A->render(Args, CmdArgs);
|
|
|
|
// RTTI is currently not supported, so disable it by default.
|
|
if (!Args.hasArg(options::OPT_frtti, options::OPT_fno_rtti))
|
|
CmdArgs.push_back("-fno-rtti");
|
|
|
|
const Driver &D = getToolChain().getDriver();
|
|
Arg *MostGeneralArg = Args.getLastArg(options::OPT__SLASH_vmg);
|
|
Arg *BestCaseArg = Args.getLastArg(options::OPT__SLASH_vmb);
|
|
if (MostGeneralArg && BestCaseArg)
|
|
D.Diag(clang::diag::err_drv_argument_not_allowed_with)
|
|
<< MostGeneralArg->getAsString(Args) << BestCaseArg->getAsString(Args);
|
|
|
|
if (MostGeneralArg) {
|
|
Arg *SingleArg = Args.getLastArg(options::OPT__SLASH_vms);
|
|
Arg *MultipleArg = Args.getLastArg(options::OPT__SLASH_vmm);
|
|
Arg *VirtualArg = Args.getLastArg(options::OPT__SLASH_vmv);
|
|
|
|
Arg *FirstConflict = SingleArg ? SingleArg : MultipleArg;
|
|
Arg *SecondConflict = VirtualArg ? VirtualArg : MultipleArg;
|
|
if (FirstConflict && SecondConflict && FirstConflict != SecondConflict)
|
|
D.Diag(clang::diag::err_drv_argument_not_allowed_with)
|
|
<< FirstConflict->getAsString(Args)
|
|
<< SecondConflict->getAsString(Args);
|
|
|
|
if (SingleArg)
|
|
CmdArgs.push_back("-fms-memptr-rep=single");
|
|
else if (MultipleArg)
|
|
CmdArgs.push_back("-fms-memptr-rep=multiple");
|
|
else
|
|
CmdArgs.push_back("-fms-memptr-rep=virtual");
|
|
}
|
|
|
|
if (Arg *A = Args.getLastArg(options::OPT_vtordisp_mode_EQ))
|
|
A->render(Args, CmdArgs);
|
|
|
|
if (!Args.hasArg(options::OPT_fdiagnostics_format_EQ)) {
|
|
CmdArgs.push_back("-fdiagnostics-format");
|
|
if (Args.hasArg(options::OPT__SLASH_fallback))
|
|
CmdArgs.push_back("msvc-fallback");
|
|
else
|
|
CmdArgs.push_back("msvc");
|
|
}
|
|
}
|
|
|
|
void ClangAs::ConstructJob(Compilation &C, const JobAction &JA,
|
|
const InputInfo &Output,
|
|
const InputInfoList &Inputs,
|
|
const ArgList &Args,
|
|
const char *LinkingOutput) const {
|
|
ArgStringList CmdArgs;
|
|
|
|
assert(Inputs.size() == 1 && "Unexpected number of inputs.");
|
|
const InputInfo &Input = Inputs[0];
|
|
|
|
// Don't warn about "clang -w -c foo.s"
|
|
Args.ClaimAllArgs(options::OPT_w);
|
|
// and "clang -emit-llvm -c foo.s"
|
|
Args.ClaimAllArgs(options::OPT_emit_llvm);
|
|
|
|
// Invoke ourselves in -cc1as mode.
|
|
//
|
|
// FIXME: Implement custom jobs for internal actions.
|
|
CmdArgs.push_back("-cc1as");
|
|
|
|
// Add the "effective" target triple.
|
|
CmdArgs.push_back("-triple");
|
|
std::string TripleStr =
|
|
getToolChain().ComputeEffectiveClangTriple(Args, Input.getType());
|
|
CmdArgs.push_back(Args.MakeArgString(TripleStr));
|
|
|
|
// Set the output mode, we currently only expect to be used as a real
|
|
// assembler.
|
|
CmdArgs.push_back("-filetype");
|
|
CmdArgs.push_back("obj");
|
|
|
|
// Set the main file name, so that debug info works even with
|
|
// -save-temps or preprocessed assembly.
|
|
CmdArgs.push_back("-main-file-name");
|
|
CmdArgs.push_back(Clang::getBaseInputName(Args, Inputs));
|
|
|
|
// Add the target cpu
|
|
const llvm::Triple &Triple = getToolChain().getTriple();
|
|
std::string CPU = getCPUName(Args, Triple);
|
|
if (!CPU.empty()) {
|
|
CmdArgs.push_back("-target-cpu");
|
|
CmdArgs.push_back(Args.MakeArgString(CPU));
|
|
}
|
|
|
|
// Add the target features
|
|
const Driver &D = getToolChain().getDriver();
|
|
getTargetFeatures(D, Triple, Args, CmdArgs, true);
|
|
|
|
// Ignore explicit -force_cpusubtype_ALL option.
|
|
(void) Args.hasArg(options::OPT_force__cpusubtype__ALL);
|
|
|
|
// Determine the original source input.
|
|
const Action *SourceAction = &JA;
|
|
while (SourceAction->getKind() != Action::InputClass) {
|
|
assert(!SourceAction->getInputs().empty() && "unexpected root action!");
|
|
SourceAction = SourceAction->getInputs()[0];
|
|
}
|
|
|
|
// Forward -g and handle debug info related flags, assuming we are dealing
|
|
// with an actual assembly file.
|
|
if (SourceAction->getType() == types::TY_Asm ||
|
|
SourceAction->getType() == types::TY_PP_Asm) {
|
|
Args.ClaimAllArgs(options::OPT_g_Group);
|
|
if (Arg *A = Args.getLastArg(options::OPT_g_Group))
|
|
if (!A->getOption().matches(options::OPT_g0))
|
|
CmdArgs.push_back("-g");
|
|
|
|
// Add the -fdebug-compilation-dir flag if needed.
|
|
addDebugCompDirArg(Args, CmdArgs);
|
|
|
|
// Set the AT_producer to the clang version when using the integrated
|
|
// assembler on assembly source files.
|
|
CmdArgs.push_back("-dwarf-debug-producer");
|
|
CmdArgs.push_back(Args.MakeArgString(getClangFullVersion()));
|
|
}
|
|
|
|
// Optionally embed the -cc1as level arguments into the debug info, for build
|
|
// analysis.
|
|
if (getToolChain().UseDwarfDebugFlags()) {
|
|
ArgStringList OriginalArgs;
|
|
for (ArgList::const_iterator it = Args.begin(),
|
|
ie = Args.end(); it != ie; ++it)
|
|
(*it)->render(Args, OriginalArgs);
|
|
|
|
SmallString<256> Flags;
|
|
const char *Exec = getToolChain().getDriver().getClangProgramPath();
|
|
Flags += Exec;
|
|
for (unsigned i = 0, e = OriginalArgs.size(); i != e; ++i) {
|
|
Flags += " ";
|
|
Flags += OriginalArgs[i];
|
|
}
|
|
CmdArgs.push_back("-dwarf-debug-flags");
|
|
CmdArgs.push_back(Args.MakeArgString(Flags.str()));
|
|
}
|
|
|
|
// FIXME: Add -static support, once we have it.
|
|
|
|
// Consume all the warning flags. Usually this would be handled more
|
|
// gracefully by -cc1 (warning about unknown warning flags, etc) but -cc1as
|
|
// doesn't handle that so rather than warning about unused flags that are
|
|
// actually used, we'll lie by omission instead.
|
|
// FIXME: Stop lying and consume only the appropriate driver flags
|
|
for (arg_iterator it = Args.filtered_begin(options::OPT_W_Group),
|
|
ie = Args.filtered_end();
|
|
it != ie; ++it)
|
|
(*it)->claim();
|
|
|
|
CollectArgsForIntegratedAssembler(C, Args, CmdArgs,
|
|
getToolChain().getDriver());
|
|
|
|
Args.AddAllArgs(CmdArgs, options::OPT_mllvm);
|
|
|
|
assert(Output.isFilename() && "Unexpected lipo output.");
|
|
CmdArgs.push_back("-o");
|
|
CmdArgs.push_back(Output.getFilename());
|
|
|
|
assert(Input.isFilename() && "Invalid input.");
|
|
CmdArgs.push_back(Input.getFilename());
|
|
|
|
const char *Exec = getToolChain().getDriver().getClangProgramPath();
|
|
C.addCommand(new Command(JA, *this, Exec, CmdArgs));
|
|
|
|
// Handle the debug info splitting at object creation time if we're
|
|
// creating an object.
|
|
// TODO: Currently only works on linux with newer objcopy.
|
|
if (Args.hasArg(options::OPT_gsplit_dwarf) &&
|
|
getToolChain().getTriple().isOSLinux())
|
|
SplitDebugInfo(getToolChain(), C, *this, JA, Args, Output,
|
|
SplitDebugName(Args, Inputs));
|
|
}
|
|
|
|
void gcc::Common::ConstructJob(Compilation &C, const JobAction &JA,
|
|
const InputInfo &Output,
|
|
const InputInfoList &Inputs,
|
|
const ArgList &Args,
|
|
const char *LinkingOutput) const {
|
|
const Driver &D = getToolChain().getDriver();
|
|
ArgStringList CmdArgs;
|
|
|
|
for (ArgList::const_iterator
|
|
it = Args.begin(), ie = Args.end(); it != ie; ++it) {
|
|
Arg *A = *it;
|
|
if (forwardToGCC(A->getOption())) {
|
|
// Don't forward any -g arguments to assembly steps.
|
|
if (isa<AssembleJobAction>(JA) &&
|
|
A->getOption().matches(options::OPT_g_Group))
|
|
continue;
|
|
|
|
// Don't forward any -W arguments to assembly and link steps.
|
|
if ((isa<AssembleJobAction>(JA) || isa<LinkJobAction>(JA)) &&
|
|
A->getOption().matches(options::OPT_W_Group))
|
|
continue;
|
|
|
|
// It is unfortunate that we have to claim here, as this means
|
|
// we will basically never report anything interesting for
|
|
// platforms using a generic gcc, even if we are just using gcc
|
|
// to get to the assembler.
|
|
A->claim();
|
|
A->render(Args, CmdArgs);
|
|
}
|
|
}
|
|
|
|
RenderExtraToolArgs(JA, CmdArgs);
|
|
|
|
// If using a driver driver, force the arch.
|
|
llvm::Triple::ArchType Arch = getToolChain().getArch();
|
|
if (getToolChain().getTriple().isOSDarwin()) {
|
|
CmdArgs.push_back("-arch");
|
|
|
|
// FIXME: Remove these special cases.
|
|
if (Arch == llvm::Triple::ppc)
|
|
CmdArgs.push_back("ppc");
|
|
else if (Arch == llvm::Triple::ppc64)
|
|
CmdArgs.push_back("ppc64");
|
|
else if (Arch == llvm::Triple::ppc64le)
|
|
CmdArgs.push_back("ppc64le");
|
|
else
|
|
CmdArgs.push_back(Args.MakeArgString(getToolChain().getArchName()));
|
|
}
|
|
|
|
// Try to force gcc to match the tool chain we want, if we recognize
|
|
// the arch.
|
|
//
|
|
// FIXME: The triple class should directly provide the information we want
|
|
// here.
|
|
if (Arch == llvm::Triple::x86 || Arch == llvm::Triple::ppc)
|
|
CmdArgs.push_back("-m32");
|
|
else if (Arch == llvm::Triple::x86_64 || Arch == llvm::Triple::ppc64 ||
|
|
Arch == llvm::Triple::ppc64le)
|
|
CmdArgs.push_back("-m64");
|
|
|
|
if (Output.isFilename()) {
|
|
CmdArgs.push_back("-o");
|
|
CmdArgs.push_back(Output.getFilename());
|
|
} else {
|
|
assert(Output.isNothing() && "Unexpected output");
|
|
CmdArgs.push_back("-fsyntax-only");
|
|
}
|
|
|
|
Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA,
|
|
options::OPT_Xassembler);
|
|
|
|
// Only pass -x if gcc will understand it; otherwise hope gcc
|
|
// understands the suffix correctly. The main use case this would go
|
|
// wrong in is for linker inputs if they happened to have an odd
|
|
// suffix; really the only way to get this to happen is a command
|
|
// like '-x foobar a.c' which will treat a.c like a linker input.
|
|
//
|
|
// FIXME: For the linker case specifically, can we safely convert
|
|
// inputs into '-Wl,' options?
|
|
for (InputInfoList::const_iterator
|
|
it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
|
|
const InputInfo &II = *it;
|
|
|
|
// Don't try to pass LLVM or AST inputs to a generic gcc.
|
|
if (II.getType() == types::TY_LLVM_IR || II.getType() == types::TY_LTO_IR ||
|
|
II.getType() == types::TY_LLVM_BC || II.getType() == types::TY_LTO_BC)
|
|
D.Diag(diag::err_drv_no_linker_llvm_support)
|
|
<< getToolChain().getTripleString();
|
|
else if (II.getType() == types::TY_AST)
|
|
D.Diag(diag::err_drv_no_ast_support)
|
|
<< getToolChain().getTripleString();
|
|
else if (II.getType() == types::TY_ModuleFile)
|
|
D.Diag(diag::err_drv_no_module_support)
|
|
<< getToolChain().getTripleString();
|
|
|
|
if (types::canTypeBeUserSpecified(II.getType())) {
|
|
CmdArgs.push_back("-x");
|
|
CmdArgs.push_back(types::getTypeName(II.getType()));
|
|
}
|
|
|
|
if (II.isFilename())
|
|
CmdArgs.push_back(II.getFilename());
|
|
else {
|
|
const Arg &A = II.getInputArg();
|
|
|
|
// Reverse translate some rewritten options.
|
|
if (A.getOption().matches(options::OPT_Z_reserved_lib_stdcxx)) {
|
|
CmdArgs.push_back("-lstdc++");
|
|
continue;
|
|
}
|
|
|
|
// Don't render as input, we need gcc to do the translations.
|
|
A.render(Args, CmdArgs);
|
|
}
|
|
}
|
|
|
|
const std::string customGCCName = D.getCCCGenericGCCName();
|
|
const char *GCCName;
|
|
if (!customGCCName.empty())
|
|
GCCName = customGCCName.c_str();
|
|
else if (D.CCCIsCXX()) {
|
|
GCCName = "g++";
|
|
} else
|
|
GCCName = "gcc";
|
|
|
|
const char *Exec =
|
|
Args.MakeArgString(getToolChain().GetProgramPath(GCCName));
|
|
C.addCommand(new Command(JA, *this, Exec, CmdArgs));
|
|
}
|
|
|
|
void gcc::Preprocess::RenderExtraToolArgs(const JobAction &JA,
|
|
ArgStringList &CmdArgs) const {
|
|
CmdArgs.push_back("-E");
|
|
}
|
|
|
|
void gcc::Compile::RenderExtraToolArgs(const JobAction &JA,
|
|
ArgStringList &CmdArgs) const {
|
|
const Driver &D = getToolChain().getDriver();
|
|
|
|
// If -flto, etc. are present then make sure not to force assembly output.
|
|
if (JA.getType() == types::TY_LLVM_IR || JA.getType() == types::TY_LTO_IR ||
|
|
JA.getType() == types::TY_LLVM_BC || JA.getType() == types::TY_LTO_BC)
|
|
CmdArgs.push_back("-c");
|
|
else {
|
|
if (JA.getType() != types::TY_PP_Asm)
|
|
D.Diag(diag::err_drv_invalid_gcc_output_type)
|
|
<< getTypeName(JA.getType());
|
|
|
|
CmdArgs.push_back("-S");
|
|
}
|
|
}
|
|
|
|
void gcc::Link::RenderExtraToolArgs(const JobAction &JA,
|
|
ArgStringList &CmdArgs) const {
|
|
// The types are (hopefully) good enough.
|
|
}
|
|
|
|
// Hexagon tools start.
|
|
void hexagon::Assemble::RenderExtraToolArgs(const JobAction &JA,
|
|
ArgStringList &CmdArgs) const {
|
|
|
|
}
|
|
void hexagon::Assemble::ConstructJob(Compilation &C, const JobAction &JA,
|
|
const InputInfo &Output,
|
|
const InputInfoList &Inputs,
|
|
const ArgList &Args,
|
|
const char *LinkingOutput) const {
|
|
|
|
const Driver &D = getToolChain().getDriver();
|
|
ArgStringList CmdArgs;
|
|
|
|
std::string MarchString = "-march=";
|
|
MarchString += toolchains::Hexagon_TC::GetTargetCPU(Args);
|
|
CmdArgs.push_back(Args.MakeArgString(MarchString));
|
|
|
|
RenderExtraToolArgs(JA, CmdArgs);
|
|
|
|
if (Output.isFilename()) {
|
|
CmdArgs.push_back("-o");
|
|
CmdArgs.push_back(Output.getFilename());
|
|
} else {
|
|
assert(Output.isNothing() && "Unexpected output");
|
|
CmdArgs.push_back("-fsyntax-only");
|
|
}
|
|
|
|
std::string SmallDataThreshold = GetHexagonSmallDataThresholdValue(Args);
|
|
if (!SmallDataThreshold.empty())
|
|
CmdArgs.push_back(
|
|
Args.MakeArgString(std::string("-G") + SmallDataThreshold));
|
|
|
|
Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA,
|
|
options::OPT_Xassembler);
|
|
|
|
// Only pass -x if gcc will understand it; otherwise hope gcc
|
|
// understands the suffix correctly. The main use case this would go
|
|
// wrong in is for linker inputs if they happened to have an odd
|
|
// suffix; really the only way to get this to happen is a command
|
|
// like '-x foobar a.c' which will treat a.c like a linker input.
|
|
//
|
|
// FIXME: For the linker case specifically, can we safely convert
|
|
// inputs into '-Wl,' options?
|
|
for (InputInfoList::const_iterator
|
|
it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
|
|
const InputInfo &II = *it;
|
|
|
|
// Don't try to pass LLVM or AST inputs to a generic gcc.
|
|
if (II.getType() == types::TY_LLVM_IR || II.getType() == types::TY_LTO_IR ||
|
|
II.getType() == types::TY_LLVM_BC || II.getType() == types::TY_LTO_BC)
|
|
D.Diag(clang::diag::err_drv_no_linker_llvm_support)
|
|
<< getToolChain().getTripleString();
|
|
else if (II.getType() == types::TY_AST)
|
|
D.Diag(clang::diag::err_drv_no_ast_support)
|
|
<< getToolChain().getTripleString();
|
|
else if (II.getType() == types::TY_ModuleFile)
|
|
D.Diag(diag::err_drv_no_module_support)
|
|
<< getToolChain().getTripleString();
|
|
|
|
if (II.isFilename())
|
|
CmdArgs.push_back(II.getFilename());
|
|
else
|
|
// Don't render as input, we need gcc to do the translations. FIXME: Pranav: What is this ?
|
|
II.getInputArg().render(Args, CmdArgs);
|
|
}
|
|
|
|
const char *GCCName = "hexagon-as";
|
|
const char *Exec =
|
|
Args.MakeArgString(getToolChain().GetProgramPath(GCCName));
|
|
C.addCommand(new Command(JA, *this, Exec, CmdArgs));
|
|
|
|
}
|
|
void hexagon::Link::RenderExtraToolArgs(const JobAction &JA,
|
|
ArgStringList &CmdArgs) const {
|
|
// The types are (hopefully) good enough.
|
|
}
|
|
|
|
void hexagon::Link::ConstructJob(Compilation &C, const JobAction &JA,
|
|
const InputInfo &Output,
|
|
const InputInfoList &Inputs,
|
|
const ArgList &Args,
|
|
const char *LinkingOutput) const {
|
|
|
|
const toolchains::Hexagon_TC& ToolChain =
|
|
static_cast<const toolchains::Hexagon_TC&>(getToolChain());
|
|
const Driver &D = ToolChain.getDriver();
|
|
|
|
ArgStringList CmdArgs;
|
|
|
|
//----------------------------------------------------------------------------
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
bool hasStaticArg = Args.hasArg(options::OPT_static);
|
|
bool buildingLib = Args.hasArg(options::OPT_shared);
|
|
bool buildPIE = Args.hasArg(options::OPT_pie);
|
|
bool incStdLib = !Args.hasArg(options::OPT_nostdlib);
|
|
bool incStartFiles = !Args.hasArg(options::OPT_nostartfiles);
|
|
bool incDefLibs = !Args.hasArg(options::OPT_nodefaultlibs);
|
|
bool useShared = buildingLib && !hasStaticArg;
|
|
|
|
//----------------------------------------------------------------------------
|
|
// Silence warnings for various options
|
|
//----------------------------------------------------------------------------
|
|
|
|
Args.ClaimAllArgs(options::OPT_g_Group);
|
|
Args.ClaimAllArgs(options::OPT_emit_llvm);
|
|
Args.ClaimAllArgs(options::OPT_w); // Other warning options are already
|
|
// handled somewhere else.
|
|
Args.ClaimAllArgs(options::OPT_static_libgcc);
|
|
|
|
//----------------------------------------------------------------------------
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
for (std::vector<std::string>::const_iterator i = ToolChain.ExtraOpts.begin(),
|
|
e = ToolChain.ExtraOpts.end();
|
|
i != e; ++i)
|
|
CmdArgs.push_back(i->c_str());
|
|
|
|
std::string MarchString = toolchains::Hexagon_TC::GetTargetCPU(Args);
|
|
CmdArgs.push_back(Args.MakeArgString("-m" + MarchString));
|
|
|
|
if (buildingLib) {
|
|
CmdArgs.push_back("-shared");
|
|
CmdArgs.push_back("-call_shared"); // should be the default, but doing as
|
|
// hexagon-gcc does
|
|
}
|
|
|
|
if (hasStaticArg)
|
|
CmdArgs.push_back("-static");
|
|
|
|
if (buildPIE && !buildingLib)
|
|
CmdArgs.push_back("-pie");
|
|
|
|
std::string SmallDataThreshold = GetHexagonSmallDataThresholdValue(Args);
|
|
if (!SmallDataThreshold.empty()) {
|
|
CmdArgs.push_back(
|
|
Args.MakeArgString(std::string("-G") + SmallDataThreshold));
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
CmdArgs.push_back("-o");
|
|
CmdArgs.push_back(Output.getFilename());
|
|
|
|
const std::string MarchSuffix = "/" + MarchString;
|
|
const std::string G0Suffix = "/G0";
|
|
const std::string MarchG0Suffix = MarchSuffix + G0Suffix;
|
|
const std::string RootDir = toolchains::Hexagon_TC::GetGnuDir(D.InstalledDir)
|
|
+ "/";
|
|
const std::string StartFilesDir = RootDir
|
|
+ "hexagon/lib"
|
|
+ (buildingLib
|
|
? MarchG0Suffix : MarchSuffix);
|
|
|
|
//----------------------------------------------------------------------------
|
|
// moslib
|
|
//----------------------------------------------------------------------------
|
|
std::vector<std::string> oslibs;
|
|
bool hasStandalone= false;
|
|
|
|
for (arg_iterator it = Args.filtered_begin(options::OPT_moslib_EQ),
|
|
ie = Args.filtered_end(); it != ie; ++it) {
|
|
(*it)->claim();
|
|
oslibs.push_back((*it)->getValue());
|
|
hasStandalone = hasStandalone || (oslibs.back() == "standalone");
|
|
}
|
|
if (oslibs.empty()) {
|
|
oslibs.push_back("standalone");
|
|
hasStandalone = true;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
// Start Files
|
|
//----------------------------------------------------------------------------
|
|
if (incStdLib && incStartFiles) {
|
|
|
|
if (!buildingLib) {
|
|
if (hasStandalone) {
|
|
CmdArgs.push_back(
|
|
Args.MakeArgString(StartFilesDir + "/crt0_standalone.o"));
|
|
}
|
|
CmdArgs.push_back(Args.MakeArgString(StartFilesDir + "/crt0.o"));
|
|
}
|
|
std::string initObj = useShared ? "/initS.o" : "/init.o";
|
|
CmdArgs.push_back(Args.MakeArgString(StartFilesDir + initObj));
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
// Library Search Paths
|
|
//----------------------------------------------------------------------------
|
|
const ToolChain::path_list &LibPaths = ToolChain.getFilePaths();
|
|
for (ToolChain::path_list::const_iterator
|
|
i = LibPaths.begin(),
|
|
e = LibPaths.end();
|
|
i != e;
|
|
++i)
|
|
CmdArgs.push_back(Args.MakeArgString(StringRef("-L") + *i));
|
|
|
|
//----------------------------------------------------------------------------
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
Args.AddAllArgs(CmdArgs, options::OPT_T_Group);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_e);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_s);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_t);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_u_Group);
|
|
|
|
AddLinkerInputs(ToolChain, Inputs, Args, CmdArgs);
|
|
|
|
//----------------------------------------------------------------------------
|
|
// Libraries
|
|
//----------------------------------------------------------------------------
|
|
if (incStdLib && incDefLibs) {
|
|
if (D.CCCIsCXX()) {
|
|
ToolChain.AddCXXStdlibLibArgs(Args, CmdArgs);
|
|
CmdArgs.push_back("-lm");
|
|
}
|
|
|
|
CmdArgs.push_back("--start-group");
|
|
|
|
if (!buildingLib) {
|
|
for(std::vector<std::string>::iterator i = oslibs.begin(),
|
|
e = oslibs.end(); i != e; ++i)
|
|
CmdArgs.push_back(Args.MakeArgString("-l" + *i));
|
|
CmdArgs.push_back("-lc");
|
|
}
|
|
CmdArgs.push_back("-lgcc");
|
|
|
|
CmdArgs.push_back("--end-group");
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
// End files
|
|
//----------------------------------------------------------------------------
|
|
if (incStdLib && incStartFiles) {
|
|
std::string finiObj = useShared ? "/finiS.o" : "/fini.o";
|
|
CmdArgs.push_back(Args.MakeArgString(StartFilesDir + finiObj));
|
|
}
|
|
|
|
std::string Linker = ToolChain.GetProgramPath("hexagon-ld");
|
|
C.addCommand(new Command(JA, *this, Args.MakeArgString(Linker), CmdArgs));
|
|
}
|
|
// Hexagon tools end.
|
|
|
|
/// getARMCPUForMArch - Get the (LLVM) name of the minimum ARM CPU for the arch we are targeting
|
|
//
|
|
// FIXME: tblgen this.
|
|
const char *arm::getARMCPUForMArch(const ArgList &Args,
|
|
const llvm::Triple &Triple) {
|
|
StringRef MArch;
|
|
if (Arg *A = Args.getLastArg(options::OPT_march_EQ)) {
|
|
// Otherwise, if we have -march= choose the base CPU for that arch.
|
|
MArch = A->getValue();
|
|
} else {
|
|
// Otherwise, use the Arch from the triple.
|
|
MArch = Triple.getArchName();
|
|
}
|
|
|
|
// Handle -march=native.
|
|
if (MArch == "native") {
|
|
std::string CPU = llvm::sys::getHostCPUName();
|
|
if (CPU != "generic") {
|
|
// Translate the native cpu into the architecture. The switch below will
|
|
// then chose the minimum cpu for that arch.
|
|
MArch = std::string("arm") + arm::getLLVMArchSuffixForARM(CPU);
|
|
}
|
|
}
|
|
|
|
if (Triple.getOS() == llvm::Triple::NetBSD) {
|
|
if (MArch == "armv6")
|
|
return "arm1176jzf-s";
|
|
}
|
|
|
|
const char *result = llvm::StringSwitch<const char *>(MArch)
|
|
.Cases("armv2", "armv2a","arm2")
|
|
.Case("armv3", "arm6")
|
|
.Case("armv3m", "arm7m")
|
|
.Case("armv4", "strongarm")
|
|
.Case("armv4t", "arm7tdmi")
|
|
.Case("thumbv4t", "arm7tdmi")
|
|
.Cases("armv5", "armv5t", "arm10tdmi")
|
|
.Cases("thumbv5", "thumbv5t", "arm10tdmi")
|
|
.Cases("armv5e", "armv5te", "arm1022e")
|
|
.Cases("thumbv5e", "thumbv5te", "arm1022e")
|
|
.Case("armv5tej", "arm926ej-s")
|
|
.Case("thumbv5tej", "arm926ej-s")
|
|
.Cases("armv6", "armv6k", "arm1136jf-s")
|
|
.Cases("thumbv6", "thumbv6k", "arm1136jf-s")
|
|
.Case("armv6j", "arm1136j-s")
|
|
.Case("thumbv6j", "arm1136j-s")
|
|
.Cases("armv6z", "armv6zk", "arm1176jzf-s")
|
|
.Cases("thumbv6z", "thumbv6zk", "arm1176jzf-s")
|
|
.Case("armv6t2", "arm1156t2-s")
|
|
.Case("thumbv6t2", "arm1156t2-s")
|
|
.Cases("armv6m", "armv6-m", "cortex-m0")
|
|
.Case("thumbv6m", "cortex-m0")
|
|
.Cases("armv7", "armv7a", "armv7-a", "cortex-a8")
|
|
.Cases("thumbv7", "thumbv7a", "cortex-a8")
|
|
.Cases("armv7l", "armv7-l", "cortex-a8")
|
|
.Cases("armv7s", "armv7-s", "swift")
|
|
.Cases("armv7r", "armv7-r", "cortex-r4")
|
|
.Case("thumbv7r", "cortex-r4")
|
|
.Cases("armv7m", "armv7-m", "cortex-m3")
|
|
.Case("thumbv7m", "cortex-m3")
|
|
.Cases("armv7em", "armv7e-m", "cortex-m4")
|
|
.Cases("thumbv7em", "thumbv7e-m", "cortex-m4")
|
|
.Cases("armv8", "armv8a", "armv8-a", "cortex-a53")
|
|
.Cases("thumbv8", "thumbv8a", "cortex-a53")
|
|
.Case("ep9312", "ep9312")
|
|
.Case("iwmmxt", "iwmmxt")
|
|
.Case("xscale", "xscale")
|
|
// If all else failed, return the most base CPU with thumb interworking
|
|
// supported by LLVM.
|
|
.Default(0);
|
|
|
|
if (result)
|
|
return result;
|
|
|
|
switch (Triple.getOS()) {
|
|
case llvm::Triple::NetBSD:
|
|
switch (Triple.getEnvironment()) {
|
|
case llvm::Triple::GNUEABIHF:
|
|
case llvm::Triple::GNUEABI:
|
|
case llvm::Triple::EABIHF:
|
|
case llvm::Triple::EABI:
|
|
return "arm926ej-s";
|
|
default:
|
|
return "strongarm";
|
|
}
|
|
default:
|
|
switch (Triple.getEnvironment()) {
|
|
case llvm::Triple::EABIHF:
|
|
case llvm::Triple::GNUEABIHF:
|
|
return "arm1176jzf-s";
|
|
default:
|
|
return "arm7tdmi";
|
|
}
|
|
}
|
|
}
|
|
|
|
/// getARMTargetCPU - Get the (LLVM) name of the ARM cpu we are targeting.
|
|
StringRef arm::getARMTargetCPU(const ArgList &Args,
|
|
const llvm::Triple &Triple) {
|
|
// FIXME: Warn on inconsistent use of -mcpu and -march.
|
|
// If we have -mcpu=, use that.
|
|
if (Arg *A = Args.getLastArg(options::OPT_mcpu_EQ)) {
|
|
StringRef MCPU = A->getValue();
|
|
// Handle -mcpu=native.
|
|
if (MCPU == "native")
|
|
return llvm::sys::getHostCPUName();
|
|
else
|
|
return MCPU;
|
|
}
|
|
|
|
return getARMCPUForMArch(Args, Triple);
|
|
}
|
|
|
|
/// getLLVMArchSuffixForARM - Get the LLVM arch name to use for a particular
|
|
/// CPU.
|
|
//
|
|
// FIXME: This is redundant with -mcpu, why does LLVM use this.
|
|
// FIXME: tblgen this, or kill it!
|
|
const char *arm::getLLVMArchSuffixForARM(StringRef CPU) {
|
|
return llvm::StringSwitch<const char *>(CPU)
|
|
.Case("strongarm", "v4")
|
|
.Cases("arm7tdmi", "arm7tdmi-s", "arm710t", "v4t")
|
|
.Cases("arm720t", "arm9", "arm9tdmi", "v4t")
|
|
.Cases("arm920", "arm920t", "arm922t", "v4t")
|
|
.Cases("arm940t", "ep9312","v4t")
|
|
.Cases("arm10tdmi", "arm1020t", "v5")
|
|
.Cases("arm9e", "arm926ej-s", "arm946e-s", "v5e")
|
|
.Cases("arm966e-s", "arm968e-s", "arm10e", "v5e")
|
|
.Cases("arm1020e", "arm1022e", "xscale", "iwmmxt", "v5e")
|
|
.Cases("arm1136j-s", "arm1136jf-s", "arm1176jz-s", "v6")
|
|
.Cases("arm1176jzf-s", "mpcorenovfp", "mpcore", "v6")
|
|
.Cases("arm1156t2-s", "arm1156t2f-s", "v6t2")
|
|
.Cases("cortex-a5", "cortex-a7", "cortex-a8", "cortex-a9-mp", "v7")
|
|
.Cases("cortex-a9", "cortex-a12", "cortex-a15", "krait", "v7")
|
|
.Cases("cortex-r4", "cortex-r5", "v7r")
|
|
.Case("cortex-m0", "v6m")
|
|
.Case("cortex-m3", "v7m")
|
|
.Case("cortex-m4", "v7em")
|
|
.Case("swift", "v7s")
|
|
.Cases("cortex-a53", "cortex-a57", "v8")
|
|
.Default("");
|
|
}
|
|
|
|
bool mips::hasMipsAbiArg(const ArgList &Args, const char *Value) {
|
|
Arg *A = Args.getLastArg(options::OPT_mabi_EQ);
|
|
return A && (A->getValue() == StringRef(Value));
|
|
}
|
|
|
|
llvm::Triple::ArchType darwin::getArchTypeForMachOArchName(StringRef Str) {
|
|
// See arch(3) and llvm-gcc's driver-driver.c. We don't implement support for
|
|
// archs which Darwin doesn't use.
|
|
|
|
// The matching this routine does is fairly pointless, since it is neither the
|
|
// complete architecture list, nor a reasonable subset. The problem is that
|
|
// historically the driver driver accepts this and also ties its -march=
|
|
// handling to the architecture name, so we need to be careful before removing
|
|
// support for it.
|
|
|
|
// This code must be kept in sync with Clang's Darwin specific argument
|
|
// translation.
|
|
|
|
return llvm::StringSwitch<llvm::Triple::ArchType>(Str)
|
|
.Cases("ppc", "ppc601", "ppc603", "ppc604", "ppc604e", llvm::Triple::ppc)
|
|
.Cases("ppc750", "ppc7400", "ppc7450", "ppc970", llvm::Triple::ppc)
|
|
.Case("ppc64", llvm::Triple::ppc64)
|
|
.Cases("i386", "i486", "i486SX", "i586", "i686", llvm::Triple::x86)
|
|
.Cases("pentium", "pentpro", "pentIIm3", "pentIIm5", "pentium4",
|
|
llvm::Triple::x86)
|
|
.Cases("x86_64", "x86_64h", llvm::Triple::x86_64)
|
|
// This is derived from the driver driver.
|
|
.Cases("arm", "armv4t", "armv5", "armv6", "armv6m", llvm::Triple::arm)
|
|
.Cases("armv7", "armv7em", "armv7k", "armv7m", llvm::Triple::arm)
|
|
.Cases("armv7s", "xscale", llvm::Triple::arm)
|
|
.Case("r600", llvm::Triple::r600)
|
|
.Case("nvptx", llvm::Triple::nvptx)
|
|
.Case("nvptx64", llvm::Triple::nvptx64)
|
|
.Case("amdil", llvm::Triple::amdil)
|
|
.Case("spir", llvm::Triple::spir)
|
|
.Default(llvm::Triple::UnknownArch);
|
|
}
|
|
|
|
void darwin::setTripleTypeForMachOArchName(llvm::Triple &T, StringRef Str) {
|
|
llvm::Triple::ArchType Arch = getArchTypeForMachOArchName(Str);
|
|
T.setArch(Arch);
|
|
|
|
if (Str == "x86_64h")
|
|
T.setArchName(Str);
|
|
else if (Str == "armv6m" || Str == "armv7m" || Str == "armv7em") {
|
|
T.setOS(llvm::Triple::UnknownOS);
|
|
T.setObjectFormat(llvm::Triple::MachO);
|
|
}
|
|
}
|
|
|
|
const char *Clang::getBaseInputName(const ArgList &Args,
|
|
const InputInfoList &Inputs) {
|
|
return Args.MakeArgString(
|
|
llvm::sys::path::filename(Inputs[0].getBaseInput()));
|
|
}
|
|
|
|
const char *Clang::getBaseInputStem(const ArgList &Args,
|
|
const InputInfoList &Inputs) {
|
|
const char *Str = getBaseInputName(Args, Inputs);
|
|
|
|
if (const char *End = strrchr(Str, '.'))
|
|
return Args.MakeArgString(std::string(Str, End));
|
|
|
|
return Str;
|
|
}
|
|
|
|
const char *Clang::getDependencyFileName(const ArgList &Args,
|
|
const InputInfoList &Inputs) {
|
|
// FIXME: Think about this more.
|
|
std::string Res;
|
|
|
|
if (Arg *OutputOpt = Args.getLastArg(options::OPT_o)) {
|
|
std::string Str(OutputOpt->getValue());
|
|
Res = Str.substr(0, Str.rfind('.'));
|
|
} else {
|
|
Res = getBaseInputStem(Args, Inputs);
|
|
}
|
|
return Args.MakeArgString(Res + ".d");
|
|
}
|
|
|
|
void darwin::Assemble::ConstructJob(Compilation &C, const JobAction &JA,
|
|
const InputInfo &Output,
|
|
const InputInfoList &Inputs,
|
|
const ArgList &Args,
|
|
const char *LinkingOutput) const {
|
|
ArgStringList CmdArgs;
|
|
|
|
assert(Inputs.size() == 1 && "Unexpected number of inputs.");
|
|
const InputInfo &Input = Inputs[0];
|
|
|
|
// Determine the original source input.
|
|
const Action *SourceAction = &JA;
|
|
while (SourceAction->getKind() != Action::InputClass) {
|
|
assert(!SourceAction->getInputs().empty() && "unexpected root action!");
|
|
SourceAction = SourceAction->getInputs()[0];
|
|
}
|
|
|
|
// If -fno_integrated_as is used add -Q to the darwin assember driver to make
|
|
// sure it runs its system assembler not clang's integrated assembler.
|
|
// Applicable to darwin11+ and Xcode 4+. darwin<10 lacked integrated-as.
|
|
// FIXME: at run-time detect assembler capabilities or rely on version
|
|
// information forwarded by -target-assembler-version (future)
|
|
if (Args.hasArg(options::OPT_fno_integrated_as)) {
|
|
const llvm::Triple &T(getToolChain().getTriple());
|
|
if (!(T.isMacOSX() && T.isMacOSXVersionLT(10, 7)))
|
|
CmdArgs.push_back("-Q");
|
|
}
|
|
|
|
// Forward -g, assuming we are dealing with an actual assembly file.
|
|
if (SourceAction->getType() == types::TY_Asm ||
|
|
SourceAction->getType() == types::TY_PP_Asm) {
|
|
if (Args.hasArg(options::OPT_gstabs))
|
|
CmdArgs.push_back("--gstabs");
|
|
else if (Args.hasArg(options::OPT_g_Group))
|
|
CmdArgs.push_back("-g");
|
|
}
|
|
|
|
// Derived from asm spec.
|
|
AddMachOArch(Args, CmdArgs);
|
|
|
|
// Use -force_cpusubtype_ALL on x86 by default.
|
|
if (getToolChain().getArch() == llvm::Triple::x86 ||
|
|
getToolChain().getArch() == llvm::Triple::x86_64 ||
|
|
Args.hasArg(options::OPT_force__cpusubtype__ALL))
|
|
CmdArgs.push_back("-force_cpusubtype_ALL");
|
|
|
|
if (getToolChain().getArch() != llvm::Triple::x86_64 &&
|
|
(((Args.hasArg(options::OPT_mkernel) ||
|
|
Args.hasArg(options::OPT_fapple_kext)) &&
|
|
getMachOToolChain().isKernelStatic()) ||
|
|
Args.hasArg(options::OPT_static)))
|
|
CmdArgs.push_back("-static");
|
|
|
|
Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA,
|
|
options::OPT_Xassembler);
|
|
|
|
assert(Output.isFilename() && "Unexpected lipo output.");
|
|
CmdArgs.push_back("-o");
|
|
CmdArgs.push_back(Output.getFilename());
|
|
|
|
assert(Input.isFilename() && "Invalid input.");
|
|
CmdArgs.push_back(Input.getFilename());
|
|
|
|
// asm_final spec is empty.
|
|
|
|
const char *Exec =
|
|
Args.MakeArgString(getToolChain().GetProgramPath("as"));
|
|
C.addCommand(new Command(JA, *this, Exec, CmdArgs));
|
|
}
|
|
|
|
void darwin::MachOTool::anchor() {}
|
|
|
|
void darwin::MachOTool::AddMachOArch(const ArgList &Args,
|
|
ArgStringList &CmdArgs) const {
|
|
StringRef ArchName = getMachOToolChain().getMachOArchName(Args);
|
|
|
|
// Derived from darwin_arch spec.
|
|
CmdArgs.push_back("-arch");
|
|
CmdArgs.push_back(Args.MakeArgString(ArchName));
|
|
|
|
// FIXME: Is this needed anymore?
|
|
if (ArchName == "arm")
|
|
CmdArgs.push_back("-force_cpusubtype_ALL");
|
|
}
|
|
|
|
bool darwin::Link::NeedsTempPath(const InputInfoList &Inputs) const {
|
|
// We only need to generate a temp path for LTO if we aren't compiling object
|
|
// files. When compiling source files, we run 'dsymutil' after linking. We
|
|
// don't run 'dsymutil' when compiling object files.
|
|
for (InputInfoList::const_iterator
|
|
it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it)
|
|
if (it->getType() != types::TY_Object)
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
void darwin::Link::AddLinkArgs(Compilation &C,
|
|
const ArgList &Args,
|
|
ArgStringList &CmdArgs,
|
|
const InputInfoList &Inputs) const {
|
|
const Driver &D = getToolChain().getDriver();
|
|
const toolchains::MachO &MachOTC = getMachOToolChain();
|
|
|
|
unsigned Version[3] = { 0, 0, 0 };
|
|
if (Arg *A = Args.getLastArg(options::OPT_mlinker_version_EQ)) {
|
|
bool HadExtra;
|
|
if (!Driver::GetReleaseVersion(A->getValue(), Version[0],
|
|
Version[1], Version[2], HadExtra) ||
|
|
HadExtra)
|
|
D.Diag(diag::err_drv_invalid_version_number)
|
|
<< A->getAsString(Args);
|
|
}
|
|
|
|
// Newer linkers support -demangle. Pass it if supported and not disabled by
|
|
// the user.
|
|
if (Version[0] >= 100 && !Args.hasArg(options::OPT_Z_Xlinker__no_demangle))
|
|
CmdArgs.push_back("-demangle");
|
|
|
|
if (Args.hasArg(options::OPT_rdynamic) && Version[0] >= 137)
|
|
CmdArgs.push_back("-export_dynamic");
|
|
|
|
// If we are using LTO, then automatically create a temporary file path for
|
|
// the linker to use, so that it's lifetime will extend past a possible
|
|
// dsymutil step.
|
|
if (Version[0] >= 116 && D.IsUsingLTO(Args) && NeedsTempPath(Inputs)) {
|
|
const char *TmpPath = C.getArgs().MakeArgString(
|
|
D.GetTemporaryPath("cc", types::getTypeTempSuffix(types::TY_Object)));
|
|
C.addTempFile(TmpPath);
|
|
CmdArgs.push_back("-object_path_lto");
|
|
CmdArgs.push_back(TmpPath);
|
|
}
|
|
|
|
// Derived from the "link" spec.
|
|
Args.AddAllArgs(CmdArgs, options::OPT_static);
|
|
if (!Args.hasArg(options::OPT_static))
|
|
CmdArgs.push_back("-dynamic");
|
|
if (Args.hasArg(options::OPT_fgnu_runtime)) {
|
|
// FIXME: gcc replaces -lobjc in forward args with -lobjc-gnu
|
|
// here. How do we wish to handle such things?
|
|
}
|
|
|
|
if (!Args.hasArg(options::OPT_dynamiclib)) {
|
|
AddMachOArch(Args, CmdArgs);
|
|
// FIXME: Why do this only on this path?
|
|
Args.AddLastArg(CmdArgs, options::OPT_force__cpusubtype__ALL);
|
|
|
|
Args.AddLastArg(CmdArgs, options::OPT_bundle);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_bundle__loader);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_client__name);
|
|
|
|
Arg *A;
|
|
if ((A = Args.getLastArg(options::OPT_compatibility__version)) ||
|
|
(A = Args.getLastArg(options::OPT_current__version)) ||
|
|
(A = Args.getLastArg(options::OPT_install__name)))
|
|
D.Diag(diag::err_drv_argument_only_allowed_with)
|
|
<< A->getAsString(Args) << "-dynamiclib";
|
|
|
|
Args.AddLastArg(CmdArgs, options::OPT_force__flat__namespace);
|
|
Args.AddLastArg(CmdArgs, options::OPT_keep__private__externs);
|
|
Args.AddLastArg(CmdArgs, options::OPT_private__bundle);
|
|
} else {
|
|
CmdArgs.push_back("-dylib");
|
|
|
|
Arg *A;
|
|
if ((A = Args.getLastArg(options::OPT_bundle)) ||
|
|
(A = Args.getLastArg(options::OPT_bundle__loader)) ||
|
|
(A = Args.getLastArg(options::OPT_client__name)) ||
|
|
(A = Args.getLastArg(options::OPT_force__flat__namespace)) ||
|
|
(A = Args.getLastArg(options::OPT_keep__private__externs)) ||
|
|
(A = Args.getLastArg(options::OPT_private__bundle)))
|
|
D.Diag(diag::err_drv_argument_not_allowed_with)
|
|
<< A->getAsString(Args) << "-dynamiclib";
|
|
|
|
Args.AddAllArgsTranslated(CmdArgs, options::OPT_compatibility__version,
|
|
"-dylib_compatibility_version");
|
|
Args.AddAllArgsTranslated(CmdArgs, options::OPT_current__version,
|
|
"-dylib_current_version");
|
|
|
|
AddMachOArch(Args, CmdArgs);
|
|
|
|
Args.AddAllArgsTranslated(CmdArgs, options::OPT_install__name,
|
|
"-dylib_install_name");
|
|
}
|
|
|
|
Args.AddLastArg(CmdArgs, options::OPT_all__load);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_allowable__client);
|
|
Args.AddLastArg(CmdArgs, options::OPT_bind__at__load);
|
|
if (MachOTC.isTargetIOSBased())
|
|
Args.AddLastArg(CmdArgs, options::OPT_arch__errors__fatal);
|
|
Args.AddLastArg(CmdArgs, options::OPT_dead__strip);
|
|
Args.AddLastArg(CmdArgs, options::OPT_no__dead__strip__inits__and__terms);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_dylib__file);
|
|
Args.AddLastArg(CmdArgs, options::OPT_dynamic);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_exported__symbols__list);
|
|
Args.AddLastArg(CmdArgs, options::OPT_flat__namespace);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_force__load);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_headerpad__max__install__names);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_image__base);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_init);
|
|
|
|
// Add the deployment target.
|
|
MachOTC.addMinVersionArgs(Args, CmdArgs);
|
|
|
|
Args.AddLastArg(CmdArgs, options::OPT_nomultidefs);
|
|
Args.AddLastArg(CmdArgs, options::OPT_multi__module);
|
|
Args.AddLastArg(CmdArgs, options::OPT_single__module);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_multiply__defined);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_multiply__defined__unused);
|
|
|
|
if (const Arg *A = Args.getLastArg(options::OPT_fpie, options::OPT_fPIE,
|
|
options::OPT_fno_pie,
|
|
options::OPT_fno_PIE)) {
|
|
if (A->getOption().matches(options::OPT_fpie) ||
|
|
A->getOption().matches(options::OPT_fPIE))
|
|
CmdArgs.push_back("-pie");
|
|
else
|
|
CmdArgs.push_back("-no_pie");
|
|
}
|
|
|
|
Args.AddLastArg(CmdArgs, options::OPT_prebind);
|
|
Args.AddLastArg(CmdArgs, options::OPT_noprebind);
|
|
Args.AddLastArg(CmdArgs, options::OPT_nofixprebinding);
|
|
Args.AddLastArg(CmdArgs, options::OPT_prebind__all__twolevel__modules);
|
|
Args.AddLastArg(CmdArgs, options::OPT_read__only__relocs);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_sectcreate);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_sectorder);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_seg1addr);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_segprot);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_segaddr);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_segs__read__only__addr);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_segs__read__write__addr);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_seg__addr__table);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_seg__addr__table__filename);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_sub__library);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_sub__umbrella);
|
|
|
|
// Give --sysroot= preference, over the Apple specific behavior to also use
|
|
// --isysroot as the syslibroot.
|
|
StringRef sysroot = C.getSysRoot();
|
|
if (sysroot != "") {
|
|
CmdArgs.push_back("-syslibroot");
|
|
CmdArgs.push_back(C.getArgs().MakeArgString(sysroot));
|
|
} else if (const Arg *A = Args.getLastArg(options::OPT_isysroot)) {
|
|
CmdArgs.push_back("-syslibroot");
|
|
CmdArgs.push_back(A->getValue());
|
|
}
|
|
|
|
Args.AddLastArg(CmdArgs, options::OPT_twolevel__namespace);
|
|
Args.AddLastArg(CmdArgs, options::OPT_twolevel__namespace__hints);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_umbrella);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_undefined);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_unexported__symbols__list);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_weak__reference__mismatches);
|
|
Args.AddLastArg(CmdArgs, options::OPT_X_Flag);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_y);
|
|
Args.AddLastArg(CmdArgs, options::OPT_w);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_pagezero__size);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_segs__read__);
|
|
Args.AddLastArg(CmdArgs, options::OPT_seglinkedit);
|
|
Args.AddLastArg(CmdArgs, options::OPT_noseglinkedit);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_sectalign);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_sectobjectsymbols);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_segcreate);
|
|
Args.AddLastArg(CmdArgs, options::OPT_whyload);
|
|
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);
|
|
}
|
|
|
|
enum LibOpenMP {
|
|
LibUnknown,
|
|
LibGOMP,
|
|
LibIOMP5
|
|
};
|
|
|
|
void darwin::Link::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.");
|
|
|
|
// 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 (ArgList::const_iterator I = Args.begin(), E = Args.end(); I != E; ++I)
|
|
(*I)->claim();
|
|
const char *Exec =
|
|
Args.MakeArgString(getToolChain().GetProgramPath("touch"));
|
|
CmdArgs.push_back(Output.getFilename());
|
|
C.addCommand(new Command(JA, *this, Exec, CmdArgs));
|
|
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);
|
|
|
|
Args.AddAllArgs(CmdArgs, options::OPT_d_Flag);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_s);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_t);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_Z_Flag);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_u_Group);
|
|
Args.AddLastArg(CmdArgs, options::OPT_e);
|
|
Args.AddAllArgs(CmdArgs, 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) &&
|
|
!Args.hasArg(options::OPT_nostartfiles))
|
|
getMachOToolChain().addStartObjectFileArgs(Args, CmdArgs);
|
|
|
|
Args.AddAllArgs(CmdArgs, options::OPT_L);
|
|
|
|
LibOpenMP UsedOpenMPLib = LibUnknown;
|
|
if (Args.hasArg(options::OPT_fopenmp)) {
|
|
UsedOpenMPLib = LibGOMP;
|
|
} else if (const Arg *A = Args.getLastArg(options::OPT_fopenmp_EQ)) {
|
|
UsedOpenMPLib = llvm::StringSwitch<LibOpenMP>(A->getValue())
|
|
.Case("libgomp", LibGOMP)
|
|
.Case("libiomp5", LibIOMP5)
|
|
.Default(LibUnknown);
|
|
if (UsedOpenMPLib == LibUnknown)
|
|
getToolChain().getDriver().Diag(diag::err_drv_unsupported_option_argument)
|
|
<< A->getOption().getName() << A->getValue();
|
|
}
|
|
switch (UsedOpenMPLib) {
|
|
case LibGOMP:
|
|
CmdArgs.push_back("-lgomp");
|
|
break;
|
|
case LibIOMP5:
|
|
CmdArgs.push_back("-liomp5");
|
|
break;
|
|
case LibUnknown:
|
|
break;
|
|
}
|
|
|
|
AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs);
|
|
|
|
if (isObjCRuntimeLinked(Args) &&
|
|
!Args.hasArg(options::OPT_nostdlib) &&
|
|
!Args.hasArg(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");
|
|
|
|
if (!Args.hasArg(options::OPT_nostdlib) &&
|
|
!Args.hasArg(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);
|
|
}
|
|
|
|
if (!Args.hasArg(options::OPT_nostdlib) &&
|
|
!Args.hasArg(options::OPT_nostartfiles)) {
|
|
// endfile_spec is empty.
|
|
}
|
|
|
|
Args.AddAllArgs(CmdArgs, options::OPT_T_Group);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_F);
|
|
|
|
const char *Exec =
|
|
Args.MakeArgString(getToolChain().GetProgramPath("ld"));
|
|
C.addCommand(new Command(JA, *this, Exec, CmdArgs));
|
|
}
|
|
|
|
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 (InputInfoList::const_iterator
|
|
it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
|
|
const InputInfo &II = *it;
|
|
assert(II.isFilename() && "Unexpected lipo input.");
|
|
CmdArgs.push_back(II.getFilename());
|
|
}
|
|
const char *Exec =
|
|
Args.MakeArgString(getToolChain().GetProgramPath("lipo"));
|
|
C.addCommand(new Command(JA, *this, Exec, CmdArgs));
|
|
}
|
|
|
|
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(new Command(JA, *this, Exec, CmdArgs));
|
|
}
|
|
|
|
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(new Command(JA, *this, Exec, CmdArgs));
|
|
}
|
|
|
|
void solaris::Assemble::ConstructJob(Compilation &C, const JobAction &JA,
|
|
const InputInfo &Output,
|
|
const InputInfoList &Inputs,
|
|
const ArgList &Args,
|
|
const char *LinkingOutput) const {
|
|
ArgStringList CmdArgs;
|
|
|
|
Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA,
|
|
options::OPT_Xassembler);
|
|
|
|
CmdArgs.push_back("-o");
|
|
CmdArgs.push_back(Output.getFilename());
|
|
|
|
for (InputInfoList::const_iterator
|
|
it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
|
|
const InputInfo &II = *it;
|
|
CmdArgs.push_back(II.getFilename());
|
|
}
|
|
|
|
const char *Exec =
|
|
Args.MakeArgString(getToolChain().GetProgramPath("as"));
|
|
C.addCommand(new Command(JA, *this, Exec, CmdArgs));
|
|
}
|
|
|
|
|
|
void solaris::Link::ConstructJob(Compilation &C, const JobAction &JA,
|
|
const InputInfo &Output,
|
|
const InputInfoList &Inputs,
|
|
const ArgList &Args,
|
|
const char *LinkingOutput) const {
|
|
// FIXME: Find a real GCC, don't hard-code versions here
|
|
std::string GCCLibPath = "/usr/gcc/4.5/lib/gcc/";
|
|
const llvm::Triple &T = getToolChain().getTriple();
|
|
std::string LibPath = "/usr/lib/";
|
|
llvm::Triple::ArchType Arch = T.getArch();
|
|
switch (Arch) {
|
|
case llvm::Triple::x86:
|
|
GCCLibPath +=
|
|
("i386-" + T.getVendorName() + "-" + T.getOSName()).str() + "/4.5.2/";
|
|
break;
|
|
case llvm::Triple::x86_64:
|
|
GCCLibPath += ("i386-" + T.getVendorName() + "-" + T.getOSName()).str();
|
|
GCCLibPath += "/4.5.2/amd64/";
|
|
LibPath += "amd64/";
|
|
break;
|
|
default:
|
|
llvm_unreachable("Unsupported architecture");
|
|
}
|
|
|
|
ArgStringList CmdArgs;
|
|
|
|
// Demangle C++ names in errors
|
|
CmdArgs.push_back("-C");
|
|
|
|
if ((!Args.hasArg(options::OPT_nostdlib)) &&
|
|
(!Args.hasArg(options::OPT_shared))) {
|
|
CmdArgs.push_back("-e");
|
|
CmdArgs.push_back("_start");
|
|
}
|
|
|
|
if (Args.hasArg(options::OPT_static)) {
|
|
CmdArgs.push_back("-Bstatic");
|
|
CmdArgs.push_back("-dn");
|
|
} else {
|
|
CmdArgs.push_back("-Bdynamic");
|
|
if (Args.hasArg(options::OPT_shared)) {
|
|
CmdArgs.push_back("-shared");
|
|
} else {
|
|
CmdArgs.push_back("--dynamic-linker");
|
|
CmdArgs.push_back(Args.MakeArgString(LibPath + "ld.so.1"));
|
|
}
|
|
}
|
|
|
|
if (Output.isFilename()) {
|
|
CmdArgs.push_back("-o");
|
|
CmdArgs.push_back(Output.getFilename());
|
|
} else {
|
|
assert(Output.isNothing() && "Invalid output.");
|
|
}
|
|
|
|
if (!Args.hasArg(options::OPT_nostdlib) &&
|
|
!Args.hasArg(options::OPT_nostartfiles)) {
|
|
if (!Args.hasArg(options::OPT_shared)) {
|
|
CmdArgs.push_back(Args.MakeArgString(LibPath + "crt1.o"));
|
|
CmdArgs.push_back(Args.MakeArgString(LibPath + "crti.o"));
|
|
CmdArgs.push_back(Args.MakeArgString(LibPath + "values-Xa.o"));
|
|
CmdArgs.push_back(Args.MakeArgString(GCCLibPath + "crtbegin.o"));
|
|
} else {
|
|
CmdArgs.push_back(Args.MakeArgString(LibPath + "crti.o"));
|
|
CmdArgs.push_back(Args.MakeArgString(LibPath + "values-Xa.o"));
|
|
CmdArgs.push_back(Args.MakeArgString(GCCLibPath + "crtbegin.o"));
|
|
}
|
|
if (getToolChain().getDriver().CCCIsCXX())
|
|
CmdArgs.push_back(Args.MakeArgString(LibPath + "cxa_finalize.o"));
|
|
}
|
|
|
|
CmdArgs.push_back(Args.MakeArgString("-L" + GCCLibPath));
|
|
|
|
Args.AddAllArgs(CmdArgs, options::OPT_L);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_T_Group);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_e);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_r);
|
|
|
|
AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs);
|
|
|
|
if (!Args.hasArg(options::OPT_nostdlib) &&
|
|
!Args.hasArg(options::OPT_nodefaultlibs)) {
|
|
if (getToolChain().getDriver().CCCIsCXX())
|
|
getToolChain().AddCXXStdlibLibArgs(Args, CmdArgs);
|
|
CmdArgs.push_back("-lgcc_s");
|
|
if (!Args.hasArg(options::OPT_shared)) {
|
|
CmdArgs.push_back("-lgcc");
|
|
CmdArgs.push_back("-lc");
|
|
CmdArgs.push_back("-lm");
|
|
}
|
|
}
|
|
|
|
if (!Args.hasArg(options::OPT_nostdlib) &&
|
|
!Args.hasArg(options::OPT_nostartfiles)) {
|
|
CmdArgs.push_back(Args.MakeArgString(GCCLibPath + "crtend.o"));
|
|
}
|
|
CmdArgs.push_back(Args.MakeArgString(LibPath + "crtn.o"));
|
|
|
|
addProfileRT(getToolChain(), Args, CmdArgs);
|
|
|
|
const char *Exec =
|
|
Args.MakeArgString(getToolChain().GetProgramPath("ld"));
|
|
C.addCommand(new Command(JA, *this, Exec, CmdArgs));
|
|
}
|
|
|
|
void auroraux::Assemble::ConstructJob(Compilation &C, const JobAction &JA,
|
|
const InputInfo &Output,
|
|
const InputInfoList &Inputs,
|
|
const ArgList &Args,
|
|
const char *LinkingOutput) const {
|
|
ArgStringList CmdArgs;
|
|
|
|
Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA,
|
|
options::OPT_Xassembler);
|
|
|
|
CmdArgs.push_back("-o");
|
|
CmdArgs.push_back(Output.getFilename());
|
|
|
|
for (InputInfoList::const_iterator
|
|
it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
|
|
const InputInfo &II = *it;
|
|
CmdArgs.push_back(II.getFilename());
|
|
}
|
|
|
|
const char *Exec =
|
|
Args.MakeArgString(getToolChain().GetProgramPath("gas"));
|
|
C.addCommand(new Command(JA, *this, Exec, CmdArgs));
|
|
}
|
|
|
|
void auroraux::Link::ConstructJob(Compilation &C, const JobAction &JA,
|
|
const InputInfo &Output,
|
|
const InputInfoList &Inputs,
|
|
const ArgList &Args,
|
|
const char *LinkingOutput) const {
|
|
ArgStringList CmdArgs;
|
|
|
|
if ((!Args.hasArg(options::OPT_nostdlib)) &&
|
|
(!Args.hasArg(options::OPT_shared))) {
|
|
CmdArgs.push_back("-e");
|
|
CmdArgs.push_back("_start");
|
|
}
|
|
|
|
if (Args.hasArg(options::OPT_static)) {
|
|
CmdArgs.push_back("-Bstatic");
|
|
CmdArgs.push_back("-dn");
|
|
} else {
|
|
// CmdArgs.push_back("--eh-frame-hdr");
|
|
CmdArgs.push_back("-Bdynamic");
|
|
if (Args.hasArg(options::OPT_shared)) {
|
|
CmdArgs.push_back("-shared");
|
|
} else {
|
|
CmdArgs.push_back("--dynamic-linker");
|
|
CmdArgs.push_back("/lib/ld.so.1"); // 64Bit Path /lib/amd64/ld.so.1
|
|
}
|
|
}
|
|
|
|
if (Output.isFilename()) {
|
|
CmdArgs.push_back("-o");
|
|
CmdArgs.push_back(Output.getFilename());
|
|
} else {
|
|
assert(Output.isNothing() && "Invalid output.");
|
|
}
|
|
|
|
if (!Args.hasArg(options::OPT_nostdlib) &&
|
|
!Args.hasArg(options::OPT_nostartfiles)) {
|
|
if (!Args.hasArg(options::OPT_shared)) {
|
|
CmdArgs.push_back(Args.MakeArgString(
|
|
getToolChain().GetFilePath("crt1.o")));
|
|
CmdArgs.push_back(Args.MakeArgString(
|
|
getToolChain().GetFilePath("crti.o")));
|
|
CmdArgs.push_back(Args.MakeArgString(
|
|
getToolChain().GetFilePath("crtbegin.o")));
|
|
} else {
|
|
CmdArgs.push_back(Args.MakeArgString(
|
|
getToolChain().GetFilePath("crti.o")));
|
|
}
|
|
CmdArgs.push_back(Args.MakeArgString(
|
|
getToolChain().GetFilePath("crtn.o")));
|
|
}
|
|
|
|
CmdArgs.push_back(Args.MakeArgString("-L/opt/gcc4/lib/gcc/"
|
|
+ getToolChain().getTripleString()
|
|
+ "/4.2.4"));
|
|
|
|
Args.AddAllArgs(CmdArgs, options::OPT_L);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_T_Group);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_e);
|
|
|
|
AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs);
|
|
|
|
if (!Args.hasArg(options::OPT_nostdlib) &&
|
|
!Args.hasArg(options::OPT_nodefaultlibs)) {
|
|
// FIXME: For some reason GCC passes -lgcc before adding
|
|
// the default system libraries. Just mimic this for now.
|
|
CmdArgs.push_back("-lgcc");
|
|
|
|
if (Args.hasArg(options::OPT_pthread))
|
|
CmdArgs.push_back("-pthread");
|
|
if (!Args.hasArg(options::OPT_shared))
|
|
CmdArgs.push_back("-lc");
|
|
CmdArgs.push_back("-lgcc");
|
|
}
|
|
|
|
if (!Args.hasArg(options::OPT_nostdlib) &&
|
|
!Args.hasArg(options::OPT_nostartfiles)) {
|
|
if (!Args.hasArg(options::OPT_shared))
|
|
CmdArgs.push_back(Args.MakeArgString(
|
|
getToolChain().GetFilePath("crtend.o")));
|
|
}
|
|
|
|
addProfileRT(getToolChain(), Args, CmdArgs);
|
|
|
|
const char *Exec =
|
|
Args.MakeArgString(getToolChain().GetProgramPath("ld"));
|
|
C.addCommand(new Command(JA, *this, Exec, CmdArgs));
|
|
}
|
|
|
|
void openbsd::Assemble::ConstructJob(Compilation &C, const JobAction &JA,
|
|
const InputInfo &Output,
|
|
const InputInfoList &Inputs,
|
|
const ArgList &Args,
|
|
const char *LinkingOutput) const {
|
|
ArgStringList CmdArgs;
|
|
bool NeedsKPIC = false;
|
|
|
|
switch (getToolChain().getArch()) {
|
|
case llvm::Triple::x86:
|
|
// When building 32-bit code on OpenBSD/amd64, we have to explicitly
|
|
// instruct as in the base system to assemble 32-bit code.
|
|
CmdArgs.push_back("--32");
|
|
break;
|
|
|
|
case llvm::Triple::ppc:
|
|
CmdArgs.push_back("-mppc");
|
|
CmdArgs.push_back("-many");
|
|
break;
|
|
|
|
case llvm::Triple::sparc:
|
|
CmdArgs.push_back("-32");
|
|
NeedsKPIC = true;
|
|
break;
|
|
|
|
case llvm::Triple::sparcv9:
|
|
CmdArgs.push_back("-64");
|
|
CmdArgs.push_back("-Av9a");
|
|
NeedsKPIC = true;
|
|
break;
|
|
|
|
case llvm::Triple::mips64:
|
|
case llvm::Triple::mips64el: {
|
|
StringRef CPUName;
|
|
StringRef ABIName;
|
|
getMipsCPUAndABI(Args, getToolChain().getTriple(), CPUName, ABIName);
|
|
|
|
CmdArgs.push_back("-mabi");
|
|
CmdArgs.push_back(getGnuCompatibleMipsABIName(ABIName).data());
|
|
|
|
if (getToolChain().getArch() == llvm::Triple::mips64)
|
|
CmdArgs.push_back("-EB");
|
|
else
|
|
CmdArgs.push_back("-EL");
|
|
|
|
NeedsKPIC = true;
|
|
break;
|
|
}
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if (NeedsKPIC)
|
|
addAssemblerKPIC(Args, CmdArgs);
|
|
|
|
Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA,
|
|
options::OPT_Xassembler);
|
|
|
|
CmdArgs.push_back("-o");
|
|
CmdArgs.push_back(Output.getFilename());
|
|
|
|
for (InputInfoList::const_iterator
|
|
it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
|
|
const InputInfo &II = *it;
|
|
CmdArgs.push_back(II.getFilename());
|
|
}
|
|
|
|
const char *Exec =
|
|
Args.MakeArgString(getToolChain().GetProgramPath("as"));
|
|
C.addCommand(new Command(JA, *this, Exec, CmdArgs));
|
|
}
|
|
|
|
void openbsd::Link::ConstructJob(Compilation &C, const JobAction &JA,
|
|
const InputInfo &Output,
|
|
const InputInfoList &Inputs,
|
|
const ArgList &Args,
|
|
const char *LinkingOutput) const {
|
|
const Driver &D = getToolChain().getDriver();
|
|
ArgStringList CmdArgs;
|
|
|
|
// Silence warning for "clang -g foo.o -o foo"
|
|
Args.ClaimAllArgs(options::OPT_g_Group);
|
|
// and "clang -emit-llvm foo.o -o foo"
|
|
Args.ClaimAllArgs(options::OPT_emit_llvm);
|
|
// and for "clang -w foo.o -o foo". Other warning options are already
|
|
// handled somewhere else.
|
|
Args.ClaimAllArgs(options::OPT_w);
|
|
|
|
if (getToolChain().getArch() == llvm::Triple::mips64)
|
|
CmdArgs.push_back("-EB");
|
|
else if (getToolChain().getArch() == llvm::Triple::mips64el)
|
|
CmdArgs.push_back("-EL");
|
|
|
|
if ((!Args.hasArg(options::OPT_nostdlib)) &&
|
|
(!Args.hasArg(options::OPT_shared))) {
|
|
CmdArgs.push_back("-e");
|
|
CmdArgs.push_back("__start");
|
|
}
|
|
|
|
if (Args.hasArg(options::OPT_static)) {
|
|
CmdArgs.push_back("-Bstatic");
|
|
} else {
|
|
if (Args.hasArg(options::OPT_rdynamic))
|
|
CmdArgs.push_back("-export-dynamic");
|
|
CmdArgs.push_back("--eh-frame-hdr");
|
|
CmdArgs.push_back("-Bdynamic");
|
|
if (Args.hasArg(options::OPT_shared)) {
|
|
CmdArgs.push_back("-shared");
|
|
} else {
|
|
CmdArgs.push_back("-dynamic-linker");
|
|
CmdArgs.push_back("/usr/libexec/ld.so");
|
|
}
|
|
}
|
|
|
|
if (Args.hasArg(options::OPT_nopie))
|
|
CmdArgs.push_back("-nopie");
|
|
|
|
if (Output.isFilename()) {
|
|
CmdArgs.push_back("-o");
|
|
CmdArgs.push_back(Output.getFilename());
|
|
} else {
|
|
assert(Output.isNothing() && "Invalid output.");
|
|
}
|
|
|
|
if (!Args.hasArg(options::OPT_nostdlib) &&
|
|
!Args.hasArg(options::OPT_nostartfiles)) {
|
|
if (!Args.hasArg(options::OPT_shared)) {
|
|
if (Args.hasArg(options::OPT_pg))
|
|
CmdArgs.push_back(Args.MakeArgString(
|
|
getToolChain().GetFilePath("gcrt0.o")));
|
|
else
|
|
CmdArgs.push_back(Args.MakeArgString(
|
|
getToolChain().GetFilePath("crt0.o")));
|
|
CmdArgs.push_back(Args.MakeArgString(
|
|
getToolChain().GetFilePath("crtbegin.o")));
|
|
} else {
|
|
CmdArgs.push_back(Args.MakeArgString(
|
|
getToolChain().GetFilePath("crtbeginS.o")));
|
|
}
|
|
}
|
|
|
|
std::string Triple = getToolChain().getTripleString();
|
|
if (Triple.substr(0, 6) == "x86_64")
|
|
Triple.replace(0, 6, "amd64");
|
|
CmdArgs.push_back(Args.MakeArgString("-L/usr/lib/gcc-lib/" + Triple +
|
|
"/4.2.1"));
|
|
|
|
Args.AddAllArgs(CmdArgs, options::OPT_L);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_T_Group);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_e);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_s);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_t);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_Z_Flag);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_r);
|
|
|
|
AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs);
|
|
|
|
if (!Args.hasArg(options::OPT_nostdlib) &&
|
|
!Args.hasArg(options::OPT_nodefaultlibs)) {
|
|
if (D.CCCIsCXX()) {
|
|
getToolChain().AddCXXStdlibLibArgs(Args, CmdArgs);
|
|
if (Args.hasArg(options::OPT_pg))
|
|
CmdArgs.push_back("-lm_p");
|
|
else
|
|
CmdArgs.push_back("-lm");
|
|
}
|
|
|
|
// FIXME: For some reason GCC passes -lgcc before adding
|
|
// the default system libraries. Just mimic this for now.
|
|
CmdArgs.push_back("-lgcc");
|
|
|
|
if (Args.hasArg(options::OPT_pthread)) {
|
|
if (!Args.hasArg(options::OPT_shared) &&
|
|
Args.hasArg(options::OPT_pg))
|
|
CmdArgs.push_back("-lpthread_p");
|
|
else
|
|
CmdArgs.push_back("-lpthread");
|
|
}
|
|
|
|
if (!Args.hasArg(options::OPT_shared)) {
|
|
if (Args.hasArg(options::OPT_pg))
|
|
CmdArgs.push_back("-lc_p");
|
|
else
|
|
CmdArgs.push_back("-lc");
|
|
}
|
|
|
|
CmdArgs.push_back("-lgcc");
|
|
}
|
|
|
|
if (!Args.hasArg(options::OPT_nostdlib) &&
|
|
!Args.hasArg(options::OPT_nostartfiles)) {
|
|
if (!Args.hasArg(options::OPT_shared))
|
|
CmdArgs.push_back(Args.MakeArgString(
|
|
getToolChain().GetFilePath("crtend.o")));
|
|
else
|
|
CmdArgs.push_back(Args.MakeArgString(
|
|
getToolChain().GetFilePath("crtendS.o")));
|
|
}
|
|
|
|
const char *Exec =
|
|
Args.MakeArgString(getToolChain().GetProgramPath("ld"));
|
|
C.addCommand(new Command(JA, *this, Exec, CmdArgs));
|
|
}
|
|
|
|
void bitrig::Assemble::ConstructJob(Compilation &C, const JobAction &JA,
|
|
const InputInfo &Output,
|
|
const InputInfoList &Inputs,
|
|
const ArgList &Args,
|
|
const char *LinkingOutput) const {
|
|
ArgStringList CmdArgs;
|
|
|
|
Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA,
|
|
options::OPT_Xassembler);
|
|
|
|
CmdArgs.push_back("-o");
|
|
CmdArgs.push_back(Output.getFilename());
|
|
|
|
for (InputInfoList::const_iterator
|
|
it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
|
|
const InputInfo &II = *it;
|
|
CmdArgs.push_back(II.getFilename());
|
|
}
|
|
|
|
const char *Exec =
|
|
Args.MakeArgString(getToolChain().GetProgramPath("as"));
|
|
C.addCommand(new Command(JA, *this, Exec, CmdArgs));
|
|
}
|
|
|
|
void bitrig::Link::ConstructJob(Compilation &C, const JobAction &JA,
|
|
const InputInfo &Output,
|
|
const InputInfoList &Inputs,
|
|
const ArgList &Args,
|
|
const char *LinkingOutput) const {
|
|
const Driver &D = getToolChain().getDriver();
|
|
ArgStringList CmdArgs;
|
|
|
|
if ((!Args.hasArg(options::OPT_nostdlib)) &&
|
|
(!Args.hasArg(options::OPT_shared))) {
|
|
CmdArgs.push_back("-e");
|
|
CmdArgs.push_back("__start");
|
|
}
|
|
|
|
if (Args.hasArg(options::OPT_static)) {
|
|
CmdArgs.push_back("-Bstatic");
|
|
} else {
|
|
if (Args.hasArg(options::OPT_rdynamic))
|
|
CmdArgs.push_back("-export-dynamic");
|
|
CmdArgs.push_back("--eh-frame-hdr");
|
|
CmdArgs.push_back("-Bdynamic");
|
|
if (Args.hasArg(options::OPT_shared)) {
|
|
CmdArgs.push_back("-shared");
|
|
} else {
|
|
CmdArgs.push_back("-dynamic-linker");
|
|
CmdArgs.push_back("/usr/libexec/ld.so");
|
|
}
|
|
}
|
|
|
|
if (Output.isFilename()) {
|
|
CmdArgs.push_back("-o");
|
|
CmdArgs.push_back(Output.getFilename());
|
|
} else {
|
|
assert(Output.isNothing() && "Invalid output.");
|
|
}
|
|
|
|
if (!Args.hasArg(options::OPT_nostdlib) &&
|
|
!Args.hasArg(options::OPT_nostartfiles)) {
|
|
if (!Args.hasArg(options::OPT_shared)) {
|
|
if (Args.hasArg(options::OPT_pg))
|
|
CmdArgs.push_back(Args.MakeArgString(
|
|
getToolChain().GetFilePath("gcrt0.o")));
|
|
else
|
|
CmdArgs.push_back(Args.MakeArgString(
|
|
getToolChain().GetFilePath("crt0.o")));
|
|
CmdArgs.push_back(Args.MakeArgString(
|
|
getToolChain().GetFilePath("crtbegin.o")));
|
|
} else {
|
|
CmdArgs.push_back(Args.MakeArgString(
|
|
getToolChain().GetFilePath("crtbeginS.o")));
|
|
}
|
|
}
|
|
|
|
Args.AddAllArgs(CmdArgs, options::OPT_L);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_T_Group);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_e);
|
|
|
|
AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs);
|
|
|
|
if (!Args.hasArg(options::OPT_nostdlib) &&
|
|
!Args.hasArg(options::OPT_nodefaultlibs)) {
|
|
if (D.CCCIsCXX()) {
|
|
getToolChain().AddCXXStdlibLibArgs(Args, CmdArgs);
|
|
if (Args.hasArg(options::OPT_pg))
|
|
CmdArgs.push_back("-lm_p");
|
|
else
|
|
CmdArgs.push_back("-lm");
|
|
}
|
|
|
|
if (Args.hasArg(options::OPT_pthread)) {
|
|
if (!Args.hasArg(options::OPT_shared) &&
|
|
Args.hasArg(options::OPT_pg))
|
|
CmdArgs.push_back("-lpthread_p");
|
|
else
|
|
CmdArgs.push_back("-lpthread");
|
|
}
|
|
|
|
if (!Args.hasArg(options::OPT_shared)) {
|
|
if (Args.hasArg(options::OPT_pg))
|
|
CmdArgs.push_back("-lc_p");
|
|
else
|
|
CmdArgs.push_back("-lc");
|
|
}
|
|
|
|
StringRef MyArch;
|
|
switch (getToolChain().getTriple().getArch()) {
|
|
case llvm::Triple::arm:
|
|
MyArch = "arm";
|
|
break;
|
|
case llvm::Triple::x86:
|
|
MyArch = "i386";
|
|
break;
|
|
case llvm::Triple::x86_64:
|
|
MyArch = "amd64";
|
|
break;
|
|
default:
|
|
llvm_unreachable("Unsupported architecture");
|
|
}
|
|
CmdArgs.push_back(Args.MakeArgString("-lclang_rt." + MyArch));
|
|
}
|
|
|
|
if (!Args.hasArg(options::OPT_nostdlib) &&
|
|
!Args.hasArg(options::OPT_nostartfiles)) {
|
|
if (!Args.hasArg(options::OPT_shared))
|
|
CmdArgs.push_back(Args.MakeArgString(
|
|
getToolChain().GetFilePath("crtend.o")));
|
|
else
|
|
CmdArgs.push_back(Args.MakeArgString(
|
|
getToolChain().GetFilePath("crtendS.o")));
|
|
}
|
|
|
|
const char *Exec =
|
|
Args.MakeArgString(getToolChain().GetProgramPath("ld"));
|
|
C.addCommand(new Command(JA, *this, Exec, CmdArgs));
|
|
}
|
|
|
|
void freebsd::Assemble::ConstructJob(Compilation &C, const JobAction &JA,
|
|
const InputInfo &Output,
|
|
const InputInfoList &Inputs,
|
|
const ArgList &Args,
|
|
const char *LinkingOutput) const {
|
|
ArgStringList CmdArgs;
|
|
|
|
// When building 32-bit code on FreeBSD/amd64, we have to explicitly
|
|
// instruct as in the base system to assemble 32-bit code.
|
|
if (getToolChain().getArch() == llvm::Triple::x86)
|
|
CmdArgs.push_back("--32");
|
|
else if (getToolChain().getArch() == llvm::Triple::ppc)
|
|
CmdArgs.push_back("-a32");
|
|
else if (getToolChain().getArch() == llvm::Triple::mips ||
|
|
getToolChain().getArch() == llvm::Triple::mipsel ||
|
|
getToolChain().getArch() == llvm::Triple::mips64 ||
|
|
getToolChain().getArch() == llvm::Triple::mips64el) {
|
|
StringRef CPUName;
|
|
StringRef ABIName;
|
|
getMipsCPUAndABI(Args, getToolChain().getTriple(), CPUName, ABIName);
|
|
|
|
CmdArgs.push_back("-march");
|
|
CmdArgs.push_back(CPUName.data());
|
|
|
|
CmdArgs.push_back("-mabi");
|
|
CmdArgs.push_back(getGnuCompatibleMipsABIName(ABIName).data());
|
|
|
|
if (getToolChain().getArch() == llvm::Triple::mips ||
|
|
getToolChain().getArch() == llvm::Triple::mips64)
|
|
CmdArgs.push_back("-EB");
|
|
else
|
|
CmdArgs.push_back("-EL");
|
|
|
|
addAssemblerKPIC(Args, CmdArgs);
|
|
} else if (getToolChain().getArch() == llvm::Triple::arm ||
|
|
getToolChain().getArch() == llvm::Triple::thumb) {
|
|
const Driver &D = getToolChain().getDriver();
|
|
const llvm::Triple &Triple = getToolChain().getTriple();
|
|
StringRef FloatABI = arm::getARMFloatABI(D, Args, Triple);
|
|
|
|
if (FloatABI == "hard") {
|
|
CmdArgs.push_back("-mfpu=vfp");
|
|
} else {
|
|
CmdArgs.push_back("-mfpu=softvfp");
|
|
}
|
|
|
|
switch(getToolChain().getTriple().getEnvironment()) {
|
|
case llvm::Triple::GNUEABIHF:
|
|
case llvm::Triple::GNUEABI:
|
|
case llvm::Triple::EABI:
|
|
CmdArgs.push_back("-meabi=5");
|
|
break;
|
|
|
|
default:
|
|
CmdArgs.push_back("-matpcs");
|
|
}
|
|
} else if (getToolChain().getArch() == llvm::Triple::sparc ||
|
|
getToolChain().getArch() == llvm::Triple::sparcv9) {
|
|
if (getToolChain().getArch() == llvm::Triple::sparc)
|
|
CmdArgs.push_back("-Av8plusa");
|
|
else
|
|
CmdArgs.push_back("-Av9a");
|
|
|
|
addAssemblerKPIC(Args, CmdArgs);
|
|
}
|
|
|
|
Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA,
|
|
options::OPT_Xassembler);
|
|
|
|
CmdArgs.push_back("-o");
|
|
CmdArgs.push_back(Output.getFilename());
|
|
|
|
for (InputInfoList::const_iterator
|
|
it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
|
|
const InputInfo &II = *it;
|
|
CmdArgs.push_back(II.getFilename());
|
|
}
|
|
|
|
const char *Exec =
|
|
Args.MakeArgString(getToolChain().GetProgramPath("as"));
|
|
C.addCommand(new Command(JA, *this, Exec, CmdArgs));
|
|
}
|
|
|
|
void freebsd::Link::ConstructJob(Compilation &C, const JobAction &JA,
|
|
const InputInfo &Output,
|
|
const InputInfoList &Inputs,
|
|
const ArgList &Args,
|
|
const char *LinkingOutput) const {
|
|
const toolchains::FreeBSD& ToolChain =
|
|
static_cast<const toolchains::FreeBSD&>(getToolChain());
|
|
const Driver &D = ToolChain.getDriver();
|
|
const bool IsPIE =
|
|
!Args.hasArg(options::OPT_shared) &&
|
|
(Args.hasArg(options::OPT_pie) || ToolChain.isPIEDefault());
|
|
ArgStringList CmdArgs;
|
|
|
|
// Silence warning for "clang -g foo.o -o foo"
|
|
Args.ClaimAllArgs(options::OPT_g_Group);
|
|
// and "clang -emit-llvm foo.o -o foo"
|
|
Args.ClaimAllArgs(options::OPT_emit_llvm);
|
|
// and for "clang -w foo.o -o foo". Other warning options are already
|
|
// handled somewhere else.
|
|
Args.ClaimAllArgs(options::OPT_w);
|
|
|
|
if (!D.SysRoot.empty())
|
|
CmdArgs.push_back(Args.MakeArgString("--sysroot=" + D.SysRoot));
|
|
|
|
if (IsPIE)
|
|
CmdArgs.push_back("-pie");
|
|
|
|
if (Args.hasArg(options::OPT_static)) {
|
|
CmdArgs.push_back("-Bstatic");
|
|
} else {
|
|
if (Args.hasArg(options::OPT_rdynamic))
|
|
CmdArgs.push_back("-export-dynamic");
|
|
CmdArgs.push_back("--eh-frame-hdr");
|
|
if (Args.hasArg(options::OPT_shared)) {
|
|
CmdArgs.push_back("-Bshareable");
|
|
} else {
|
|
CmdArgs.push_back("-dynamic-linker");
|
|
CmdArgs.push_back("/libexec/ld-elf.so.1");
|
|
}
|
|
if (ToolChain.getTriple().getOSMajorVersion() >= 9) {
|
|
llvm::Triple::ArchType Arch = ToolChain.getArch();
|
|
if (Arch == llvm::Triple::arm || Arch == llvm::Triple::sparc ||
|
|
Arch == llvm::Triple::x86 || Arch == llvm::Triple::x86_64) {
|
|
CmdArgs.push_back("--hash-style=both");
|
|
}
|
|
}
|
|
CmdArgs.push_back("--enable-new-dtags");
|
|
}
|
|
|
|
// When building 32-bit code on FreeBSD/amd64, we have to explicitly
|
|
// instruct ld in the base system to link 32-bit code.
|
|
if (ToolChain.getArch() == llvm::Triple::x86) {
|
|
CmdArgs.push_back("-m");
|
|
CmdArgs.push_back("elf_i386_fbsd");
|
|
}
|
|
|
|
if (ToolChain.getArch() == llvm::Triple::ppc) {
|
|
CmdArgs.push_back("-m");
|
|
CmdArgs.push_back("elf32ppc_fbsd");
|
|
}
|
|
|
|
if (Output.isFilename()) {
|
|
CmdArgs.push_back("-o");
|
|
CmdArgs.push_back(Output.getFilename());
|
|
} else {
|
|
assert(Output.isNothing() && "Invalid output.");
|
|
}
|
|
|
|
if (!Args.hasArg(options::OPT_nostdlib) &&
|
|
!Args.hasArg(options::OPT_nostartfiles)) {
|
|
const char *crt1 = NULL;
|
|
if (!Args.hasArg(options::OPT_shared)) {
|
|
if (Args.hasArg(options::OPT_pg))
|
|
crt1 = "gcrt1.o";
|
|
else if (IsPIE)
|
|
crt1 = "Scrt1.o";
|
|
else
|
|
crt1 = "crt1.o";
|
|
}
|
|
if (crt1)
|
|
CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath(crt1)));
|
|
|
|
CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crti.o")));
|
|
|
|
const char *crtbegin = NULL;
|
|
if (Args.hasArg(options::OPT_static))
|
|
crtbegin = "crtbeginT.o";
|
|
else if (Args.hasArg(options::OPT_shared) || IsPIE)
|
|
crtbegin = "crtbeginS.o";
|
|
else
|
|
crtbegin = "crtbegin.o";
|
|
|
|
CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath(crtbegin)));
|
|
}
|
|
|
|
Args.AddAllArgs(CmdArgs, options::OPT_L);
|
|
const ToolChain::path_list Paths = ToolChain.getFilePaths();
|
|
for (ToolChain::path_list::const_iterator i = Paths.begin(), e = Paths.end();
|
|
i != e; ++i)
|
|
CmdArgs.push_back(Args.MakeArgString(StringRef("-L") + *i));
|
|
Args.AddAllArgs(CmdArgs, options::OPT_T_Group);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_e);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_s);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_t);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_Z_Flag);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_r);
|
|
|
|
if (D.IsUsingLTO(Args))
|
|
AddGoldPlugin(ToolChain, Args, CmdArgs);
|
|
|
|
AddLinkerInputs(ToolChain, Inputs, Args, CmdArgs);
|
|
|
|
if (!Args.hasArg(options::OPT_nostdlib) &&
|
|
!Args.hasArg(options::OPT_nodefaultlibs)) {
|
|
if (D.CCCIsCXX()) {
|
|
ToolChain.AddCXXStdlibLibArgs(Args, CmdArgs);
|
|
if (Args.hasArg(options::OPT_pg))
|
|
CmdArgs.push_back("-lm_p");
|
|
else
|
|
CmdArgs.push_back("-lm");
|
|
}
|
|
// FIXME: For some reason GCC passes -lgcc and -lgcc_s before adding
|
|
// the default system libraries. Just mimic this for now.
|
|
if (Args.hasArg(options::OPT_pg))
|
|
CmdArgs.push_back("-lgcc_p");
|
|
else
|
|
CmdArgs.push_back("-lgcc");
|
|
if (Args.hasArg(options::OPT_static)) {
|
|
CmdArgs.push_back("-lgcc_eh");
|
|
} else if (Args.hasArg(options::OPT_pg)) {
|
|
CmdArgs.push_back("-lgcc_eh_p");
|
|
} else {
|
|
CmdArgs.push_back("--as-needed");
|
|
CmdArgs.push_back("-lgcc_s");
|
|
CmdArgs.push_back("--no-as-needed");
|
|
}
|
|
|
|
if (Args.hasArg(options::OPT_pthread)) {
|
|
if (Args.hasArg(options::OPT_pg))
|
|
CmdArgs.push_back("-lpthread_p");
|
|
else
|
|
CmdArgs.push_back("-lpthread");
|
|
}
|
|
|
|
if (Args.hasArg(options::OPT_pg)) {
|
|
if (Args.hasArg(options::OPT_shared))
|
|
CmdArgs.push_back("-lc");
|
|
else
|
|
CmdArgs.push_back("-lc_p");
|
|
CmdArgs.push_back("-lgcc_p");
|
|
} else {
|
|
CmdArgs.push_back("-lc");
|
|
CmdArgs.push_back("-lgcc");
|
|
}
|
|
|
|
if (Args.hasArg(options::OPT_static)) {
|
|
CmdArgs.push_back("-lgcc_eh");
|
|
} else if (Args.hasArg(options::OPT_pg)) {
|
|
CmdArgs.push_back("-lgcc_eh_p");
|
|
} else {
|
|
CmdArgs.push_back("--as-needed");
|
|
CmdArgs.push_back("-lgcc_s");
|
|
CmdArgs.push_back("--no-as-needed");
|
|
}
|
|
}
|
|
|
|
if (!Args.hasArg(options::OPT_nostdlib) &&
|
|
!Args.hasArg(options::OPT_nostartfiles)) {
|
|
if (Args.hasArg(options::OPT_shared) || IsPIE)
|
|
CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crtendS.o")));
|
|
else
|
|
CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crtend.o")));
|
|
CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crtn.o")));
|
|
}
|
|
|
|
addProfileRT(ToolChain, Args, CmdArgs);
|
|
|
|
const char *Exec =
|
|
Args.MakeArgString(ToolChain.GetProgramPath("ld"));
|
|
C.addCommand(new Command(JA, *this, Exec, CmdArgs));
|
|
}
|
|
|
|
void netbsd::Assemble::ConstructJob(Compilation &C, const JobAction &JA,
|
|
const InputInfo &Output,
|
|
const InputInfoList &Inputs,
|
|
const ArgList &Args,
|
|
const char *LinkingOutput) const {
|
|
ArgStringList CmdArgs;
|
|
|
|
// GNU as needs different flags for creating the correct output format
|
|
// on architectures with different ABIs or optional feature sets.
|
|
switch (getToolChain().getArch()) {
|
|
case llvm::Triple::x86:
|
|
CmdArgs.push_back("--32");
|
|
break;
|
|
case llvm::Triple::arm:
|
|
case llvm::Triple::thumb: {
|
|
std::string MArch(arm::getARMTargetCPU(Args, getToolChain().getTriple()));
|
|
CmdArgs.push_back(Args.MakeArgString("-mcpu=" + MArch));
|
|
break;
|
|
}
|
|
|
|
case llvm::Triple::mips:
|
|
case llvm::Triple::mipsel:
|
|
case llvm::Triple::mips64:
|
|
case llvm::Triple::mips64el: {
|
|
StringRef CPUName;
|
|
StringRef ABIName;
|
|
getMipsCPUAndABI(Args, getToolChain().getTriple(), CPUName, ABIName);
|
|
|
|
CmdArgs.push_back("-march");
|
|
CmdArgs.push_back(CPUName.data());
|
|
|
|
CmdArgs.push_back("-mabi");
|
|
CmdArgs.push_back(getGnuCompatibleMipsABIName(ABIName).data());
|
|
|
|
if (getToolChain().getArch() == llvm::Triple::mips ||
|
|
getToolChain().getArch() == llvm::Triple::mips64)
|
|
CmdArgs.push_back("-EB");
|
|
else
|
|
CmdArgs.push_back("-EL");
|
|
|
|
addAssemblerKPIC(Args, CmdArgs);
|
|
break;
|
|
}
|
|
|
|
case llvm::Triple::sparc:
|
|
CmdArgs.push_back("-32");
|
|
addAssemblerKPIC(Args, CmdArgs);
|
|
break;
|
|
|
|
case llvm::Triple::sparcv9:
|
|
CmdArgs.push_back("-64");
|
|
CmdArgs.push_back("-Av9");
|
|
addAssemblerKPIC(Args, CmdArgs);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA,
|
|
options::OPT_Xassembler);
|
|
|
|
CmdArgs.push_back("-o");
|
|
CmdArgs.push_back(Output.getFilename());
|
|
|
|
for (InputInfoList::const_iterator
|
|
it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
|
|
const InputInfo &II = *it;
|
|
CmdArgs.push_back(II.getFilename());
|
|
}
|
|
|
|
const char *Exec = Args.MakeArgString((getToolChain().GetProgramPath("as")));
|
|
C.addCommand(new Command(JA, *this, Exec, CmdArgs));
|
|
}
|
|
|
|
void netbsd::Link::ConstructJob(Compilation &C, const JobAction &JA,
|
|
const InputInfo &Output,
|
|
const InputInfoList &Inputs,
|
|
const ArgList &Args,
|
|
const char *LinkingOutput) const {
|
|
const Driver &D = getToolChain().getDriver();
|
|
ArgStringList CmdArgs;
|
|
|
|
if (!D.SysRoot.empty())
|
|
CmdArgs.push_back(Args.MakeArgString("--sysroot=" + D.SysRoot));
|
|
|
|
CmdArgs.push_back("--eh-frame-hdr");
|
|
if (Args.hasArg(options::OPT_static)) {
|
|
CmdArgs.push_back("-Bstatic");
|
|
} else {
|
|
if (Args.hasArg(options::OPT_rdynamic))
|
|
CmdArgs.push_back("-export-dynamic");
|
|
if (Args.hasArg(options::OPT_shared)) {
|
|
CmdArgs.push_back("-Bshareable");
|
|
} else {
|
|
CmdArgs.push_back("-dynamic-linker");
|
|
CmdArgs.push_back("/libexec/ld.elf_so");
|
|
}
|
|
}
|
|
|
|
// Many NetBSD architectures support more than one ABI.
|
|
// Determine the correct emulation for ld.
|
|
switch (getToolChain().getArch()) {
|
|
case llvm::Triple::x86:
|
|
CmdArgs.push_back("-m");
|
|
CmdArgs.push_back("elf_i386");
|
|
break;
|
|
case llvm::Triple::arm:
|
|
case llvm::Triple::thumb:
|
|
CmdArgs.push_back("-m");
|
|
switch (getToolChain().getTriple().getEnvironment()) {
|
|
case llvm::Triple::EABI:
|
|
case llvm::Triple::GNUEABI:
|
|
CmdArgs.push_back("armelf_nbsd_eabi");
|
|
break;
|
|
case llvm::Triple::EABIHF:
|
|
case llvm::Triple::GNUEABIHF:
|
|
CmdArgs.push_back("armelf_nbsd_eabihf");
|
|
break;
|
|
default:
|
|
CmdArgs.push_back("armelf_nbsd");
|
|
break;
|
|
}
|
|
break;
|
|
case llvm::Triple::mips64:
|
|
case llvm::Triple::mips64el:
|
|
if (mips::hasMipsAbiArg(Args, "32")) {
|
|
CmdArgs.push_back("-m");
|
|
if (getToolChain().getArch() == llvm::Triple::mips64)
|
|
CmdArgs.push_back("elf32btsmip");
|
|
else
|
|
CmdArgs.push_back("elf32ltsmip");
|
|
} else if (mips::hasMipsAbiArg(Args, "64")) {
|
|
CmdArgs.push_back("-m");
|
|
if (getToolChain().getArch() == llvm::Triple::mips64)
|
|
CmdArgs.push_back("elf64btsmip");
|
|
else
|
|
CmdArgs.push_back("elf64ltsmip");
|
|
}
|
|
break;
|
|
|
|
case llvm::Triple::sparc:
|
|
CmdArgs.push_back("-m");
|
|
CmdArgs.push_back("elf32_sparc");
|
|
break;
|
|
|
|
case llvm::Triple::sparcv9:
|
|
CmdArgs.push_back("-m");
|
|
CmdArgs.push_back("elf64_sparc");
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if (Output.isFilename()) {
|
|
CmdArgs.push_back("-o");
|
|
CmdArgs.push_back(Output.getFilename());
|
|
} else {
|
|
assert(Output.isNothing() && "Invalid output.");
|
|
}
|
|
|
|
if (!Args.hasArg(options::OPT_nostdlib) &&
|
|
!Args.hasArg(options::OPT_nostartfiles)) {
|
|
if (!Args.hasArg(options::OPT_shared)) {
|
|
CmdArgs.push_back(Args.MakeArgString(
|
|
getToolChain().GetFilePath("crt0.o")));
|
|
CmdArgs.push_back(Args.MakeArgString(
|
|
getToolChain().GetFilePath("crti.o")));
|
|
CmdArgs.push_back(Args.MakeArgString(
|
|
getToolChain().GetFilePath("crtbegin.o")));
|
|
} else {
|
|
CmdArgs.push_back(Args.MakeArgString(
|
|
getToolChain().GetFilePath("crti.o")));
|
|
CmdArgs.push_back(Args.MakeArgString(
|
|
getToolChain().GetFilePath("crtbeginS.o")));
|
|
}
|
|
}
|
|
|
|
Args.AddAllArgs(CmdArgs, options::OPT_L);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_T_Group);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_e);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_s);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_t);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_Z_Flag);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_r);
|
|
|
|
AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs);
|
|
|
|
unsigned Major, Minor, Micro;
|
|
getToolChain().getTriple().getOSVersion(Major, Minor, Micro);
|
|
bool useLibgcc = true;
|
|
if (Major >= 7 || (Major == 6 && Minor == 99 && Micro >= 23) || Major == 0) {
|
|
switch(getToolChain().getArch()) {
|
|
case llvm::Triple::x86:
|
|
case llvm::Triple::x86_64:
|
|
useLibgcc = false;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!Args.hasArg(options::OPT_nostdlib) &&
|
|
!Args.hasArg(options::OPT_nodefaultlibs)) {
|
|
if (D.CCCIsCXX()) {
|
|
getToolChain().AddCXXStdlibLibArgs(Args, CmdArgs);
|
|
CmdArgs.push_back("-lm");
|
|
}
|
|
if (Args.hasArg(options::OPT_pthread))
|
|
CmdArgs.push_back("-lpthread");
|
|
CmdArgs.push_back("-lc");
|
|
|
|
if (useLibgcc) {
|
|
if (Args.hasArg(options::OPT_static)) {
|
|
// libgcc_eh depends on libc, so resolve as much as possible,
|
|
// pull in any new requirements from libc and then get the rest
|
|
// of libgcc.
|
|
CmdArgs.push_back("-lgcc_eh");
|
|
CmdArgs.push_back("-lc");
|
|
CmdArgs.push_back("-lgcc");
|
|
} else {
|
|
CmdArgs.push_back("-lgcc");
|
|
CmdArgs.push_back("--as-needed");
|
|
CmdArgs.push_back("-lgcc_s");
|
|
CmdArgs.push_back("--no-as-needed");
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!Args.hasArg(options::OPT_nostdlib) &&
|
|
!Args.hasArg(options::OPT_nostartfiles)) {
|
|
if (!Args.hasArg(options::OPT_shared))
|
|
CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(
|
|
"crtend.o")));
|
|
else
|
|
CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(
|
|
"crtendS.o")));
|
|
CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(
|
|
"crtn.o")));
|
|
}
|
|
|
|
addProfileRT(getToolChain(), Args, CmdArgs);
|
|
|
|
const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath("ld"));
|
|
C.addCommand(new Command(JA, *this, Exec, CmdArgs));
|
|
}
|
|
|
|
void gnutools::Assemble::ConstructJob(Compilation &C, const JobAction &JA,
|
|
const InputInfo &Output,
|
|
const InputInfoList &Inputs,
|
|
const ArgList &Args,
|
|
const char *LinkingOutput) const {
|
|
ArgStringList CmdArgs;
|
|
bool NeedsKPIC = false;
|
|
|
|
// Add --32/--64 to make sure we get the format we want.
|
|
// This is incomplete
|
|
if (getToolChain().getArch() == llvm::Triple::x86) {
|
|
CmdArgs.push_back("--32");
|
|
} else if (getToolChain().getArch() == llvm::Triple::x86_64) {
|
|
CmdArgs.push_back("--64");
|
|
} else if (getToolChain().getArch() == llvm::Triple::ppc) {
|
|
CmdArgs.push_back("-a32");
|
|
CmdArgs.push_back("-mppc");
|
|
CmdArgs.push_back("-many");
|
|
} else if (getToolChain().getArch() == llvm::Triple::ppc64) {
|
|
CmdArgs.push_back("-a64");
|
|
CmdArgs.push_back("-mppc64");
|
|
CmdArgs.push_back("-many");
|
|
} else if (getToolChain().getArch() == llvm::Triple::ppc64le) {
|
|
CmdArgs.push_back("-a64");
|
|
CmdArgs.push_back("-mppc64le");
|
|
CmdArgs.push_back("-many");
|
|
} else if (getToolChain().getArch() == llvm::Triple::sparc) {
|
|
CmdArgs.push_back("-32");
|
|
CmdArgs.push_back("-Av8plusa");
|
|
NeedsKPIC = true;
|
|
} else if (getToolChain().getArch() == llvm::Triple::sparcv9) {
|
|
CmdArgs.push_back("-64");
|
|
CmdArgs.push_back("-Av9a");
|
|
NeedsKPIC = true;
|
|
} else if (getToolChain().getArch() == llvm::Triple::arm) {
|
|
StringRef MArch = getToolChain().getArchName();
|
|
if (MArch == "armv7" || MArch == "armv7a" || MArch == "armv7-a")
|
|
CmdArgs.push_back("-mfpu=neon");
|
|
if (MArch == "armv8" || MArch == "armv8a" || MArch == "armv8-a")
|
|
CmdArgs.push_back("-mfpu=crypto-neon-fp-armv8");
|
|
|
|
StringRef ARMFloatABI = tools::arm::getARMFloatABI(
|
|
getToolChain().getDriver(), Args, getToolChain().getTriple());
|
|
CmdArgs.push_back(Args.MakeArgString("-mfloat-abi=" + ARMFloatABI));
|
|
|
|
Args.AddLastArg(CmdArgs, options::OPT_march_EQ);
|
|
|
|
// FIXME: remove krait check when GNU tools support krait cpu
|
|
// for now replace it with -march=armv7-a to avoid a lower
|
|
// march from being picked in the absence of a cpu flag.
|
|
Arg *A;
|
|
if ((A = Args.getLastArg(options::OPT_mcpu_EQ)) &&
|
|
StringRef(A->getValue()) == "krait")
|
|
CmdArgs.push_back("-march=armv7-a");
|
|
else
|
|
Args.AddLastArg(CmdArgs, options::OPT_mcpu_EQ);
|
|
Args.AddLastArg(CmdArgs, options::OPT_mfpu_EQ);
|
|
} else if (getToolChain().getArch() == llvm::Triple::mips ||
|
|
getToolChain().getArch() == llvm::Triple::mipsel ||
|
|
getToolChain().getArch() == llvm::Triple::mips64 ||
|
|
getToolChain().getArch() == llvm::Triple::mips64el) {
|
|
StringRef CPUName;
|
|
StringRef ABIName;
|
|
getMipsCPUAndABI(Args, getToolChain().getTriple(), CPUName, ABIName);
|
|
|
|
CmdArgs.push_back("-march");
|
|
CmdArgs.push_back(CPUName.data());
|
|
|
|
CmdArgs.push_back("-mabi");
|
|
CmdArgs.push_back(getGnuCompatibleMipsABIName(ABIName).data());
|
|
|
|
if (getToolChain().getArch() == llvm::Triple::mips ||
|
|
getToolChain().getArch() == llvm::Triple::mips64)
|
|
CmdArgs.push_back("-EB");
|
|
else
|
|
CmdArgs.push_back("-EL");
|
|
|
|
if (Arg *A = Args.getLastArg(options::OPT_mnan_EQ)) {
|
|
if (StringRef(A->getValue()) == "2008")
|
|
CmdArgs.push_back(Args.MakeArgString("-mnan=2008"));
|
|
}
|
|
|
|
Args.AddLastArg(CmdArgs, options::OPT_mfp32, options::OPT_mfp64);
|
|
Args.AddLastArg(CmdArgs, options::OPT_mips16, options::OPT_mno_mips16);
|
|
Args.AddLastArg(CmdArgs, options::OPT_mmicromips,
|
|
options::OPT_mno_micromips);
|
|
Args.AddLastArg(CmdArgs, options::OPT_mdsp, options::OPT_mno_dsp);
|
|
Args.AddLastArg(CmdArgs, options::OPT_mdspr2, options::OPT_mno_dspr2);
|
|
|
|
if (Arg *A = Args.getLastArg(options::OPT_mmsa, options::OPT_mno_msa)) {
|
|
// Do not use AddLastArg because not all versions of MIPS assembler
|
|
// support -mmsa / -mno-msa options.
|
|
if (A->getOption().matches(options::OPT_mmsa))
|
|
CmdArgs.push_back(Args.MakeArgString("-mmsa"));
|
|
}
|
|
|
|
NeedsKPIC = true;
|
|
} else if (getToolChain().getArch() == llvm::Triple::systemz) {
|
|
// Always pass an -march option, since our default of z10 is later
|
|
// than the GNU assembler's default.
|
|
StringRef CPUName = getSystemZTargetCPU(Args);
|
|
CmdArgs.push_back(Args.MakeArgString("-march=" + CPUName));
|
|
}
|
|
|
|
if (NeedsKPIC)
|
|
addAssemblerKPIC(Args, CmdArgs);
|
|
|
|
Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA,
|
|
options::OPT_Xassembler);
|
|
|
|
CmdArgs.push_back("-o");
|
|
CmdArgs.push_back(Output.getFilename());
|
|
|
|
for (InputInfoList::const_iterator
|
|
it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
|
|
const InputInfo &II = *it;
|
|
CmdArgs.push_back(II.getFilename());
|
|
}
|
|
|
|
const char *Exec =
|
|
Args.MakeArgString(getToolChain().GetProgramPath("as"));
|
|
C.addCommand(new Command(JA, *this, Exec, CmdArgs));
|
|
|
|
// Handle the debug info splitting at object creation time if we're
|
|
// creating an object.
|
|
// TODO: Currently only works on linux with newer objcopy.
|
|
if (Args.hasArg(options::OPT_gsplit_dwarf) &&
|
|
getToolChain().getTriple().isOSLinux())
|
|
SplitDebugInfo(getToolChain(), C, *this, JA, Args, Output,
|
|
SplitDebugName(Args, Inputs));
|
|
}
|
|
|
|
static void AddLibgcc(const llvm::Triple &Triple, const Driver &D,
|
|
ArgStringList &CmdArgs, const ArgList &Args) {
|
|
bool isAndroid = Triple.getEnvironment() == llvm::Triple::Android;
|
|
bool StaticLibgcc = Args.hasArg(options::OPT_static_libgcc) ||
|
|
Args.hasArg(options::OPT_static);
|
|
if (!D.CCCIsCXX())
|
|
CmdArgs.push_back("-lgcc");
|
|
|
|
if (StaticLibgcc || isAndroid) {
|
|
if (D.CCCIsCXX())
|
|
CmdArgs.push_back("-lgcc");
|
|
} else {
|
|
if (!D.CCCIsCXX())
|
|
CmdArgs.push_back("--as-needed");
|
|
CmdArgs.push_back("-lgcc_s");
|
|
if (!D.CCCIsCXX())
|
|
CmdArgs.push_back("--no-as-needed");
|
|
}
|
|
|
|
if (StaticLibgcc && !isAndroid)
|
|
CmdArgs.push_back("-lgcc_eh");
|
|
else if (!Args.hasArg(options::OPT_shared) && D.CCCIsCXX())
|
|
CmdArgs.push_back("-lgcc");
|
|
|
|
// According to Android ABI, we have to link with libdl if we are
|
|
// linking with non-static libgcc.
|
|
//
|
|
// NOTE: This fixes a link error on Android MIPS as well. The non-static
|
|
// libgcc for MIPS relies on _Unwind_Find_FDE and dl_iterate_phdr from libdl.
|
|
if (isAndroid && !StaticLibgcc)
|
|
CmdArgs.push_back("-ldl");
|
|
}
|
|
|
|
static StringRef getLinuxDynamicLinker(const ArgList &Args,
|
|
const toolchains::Linux &ToolChain) {
|
|
if (ToolChain.getTriple().getEnvironment() == llvm::Triple::Android) {
|
|
if (ToolChain.getTriple().isArch64Bit())
|
|
return "/system/bin/linker64";
|
|
else
|
|
return "/system/bin/linker";
|
|
} else if (ToolChain.getArch() == llvm::Triple::x86 ||
|
|
ToolChain.getArch() == llvm::Triple::sparc)
|
|
return "/lib/ld-linux.so.2";
|
|
else if (ToolChain.getArch() == llvm::Triple::aarch64)
|
|
return "/lib/ld-linux-aarch64.so.1";
|
|
else if (ToolChain.getArch() == llvm::Triple::aarch64_be)
|
|
return "/lib/ld-linux-aarch64_be.so.1";
|
|
else if (ToolChain.getArch() == llvm::Triple::arm ||
|
|
ToolChain.getArch() == llvm::Triple::thumb) {
|
|
if (ToolChain.getTriple().getEnvironment() == llvm::Triple::GNUEABIHF)
|
|
return "/lib/ld-linux-armhf.so.3";
|
|
else
|
|
return "/lib/ld-linux.so.3";
|
|
} else if (ToolChain.getArch() == llvm::Triple::mips ||
|
|
ToolChain.getArch() == llvm::Triple::mipsel)
|
|
return "/lib/ld.so.1";
|
|
else if (ToolChain.getArch() == llvm::Triple::mips64 ||
|
|
ToolChain.getArch() == llvm::Triple::mips64el) {
|
|
if (mips::hasMipsAbiArg(Args, "n32"))
|
|
return "/lib32/ld.so.1";
|
|
else
|
|
return "/lib64/ld.so.1";
|
|
} else if (ToolChain.getArch() == llvm::Triple::ppc)
|
|
return "/lib/ld.so.1";
|
|
else if (ToolChain.getArch() == llvm::Triple::ppc64 ||
|
|
ToolChain.getArch() == llvm::Triple::ppc64le ||
|
|
ToolChain.getArch() == llvm::Triple::systemz)
|
|
return "/lib64/ld64.so.1";
|
|
else if (ToolChain.getArch() == llvm::Triple::sparcv9)
|
|
return "/lib64/ld-linux.so.2";
|
|
else
|
|
return "/lib64/ld-linux-x86-64.so.2";
|
|
}
|
|
|
|
static void AddRunTimeLibs(const ToolChain &TC, const Driver &D,
|
|
ArgStringList &CmdArgs, const ArgList &Args) {
|
|
// Make use of compiler-rt if --rtlib option is used
|
|
ToolChain::RuntimeLibType RLT = TC.GetRuntimeLibType(Args);
|
|
|
|
switch(RLT) {
|
|
case ToolChain::RLT_CompilerRT:
|
|
addClangRTLinux(TC, Args, CmdArgs);
|
|
break;
|
|
case ToolChain::RLT_Libgcc:
|
|
AddLibgcc(TC.getTriple(), D, CmdArgs, Args);
|
|
break;
|
|
}
|
|
}
|
|
|
|
void gnutools::Link::ConstructJob(Compilation &C, const JobAction &JA,
|
|
const InputInfo &Output,
|
|
const InputInfoList &Inputs,
|
|
const ArgList &Args,
|
|
const char *LinkingOutput) const {
|
|
const toolchains::Linux& ToolChain =
|
|
static_cast<const toolchains::Linux&>(getToolChain());
|
|
const Driver &D = ToolChain.getDriver();
|
|
const bool isAndroid =
|
|
ToolChain.getTriple().getEnvironment() == llvm::Triple::Android;
|
|
const bool IsPIE =
|
|
!Args.hasArg(options::OPT_shared) &&
|
|
(Args.hasArg(options::OPT_pie) || ToolChain.isPIEDefault());
|
|
|
|
ArgStringList CmdArgs;
|
|
|
|
// Silence warning for "clang -g foo.o -o foo"
|
|
Args.ClaimAllArgs(options::OPT_g_Group);
|
|
// and "clang -emit-llvm foo.o -o foo"
|
|
Args.ClaimAllArgs(options::OPT_emit_llvm);
|
|
// and for "clang -w foo.o -o foo". Other warning options are already
|
|
// handled somewhere else.
|
|
Args.ClaimAllArgs(options::OPT_w);
|
|
|
|
if (!D.SysRoot.empty())
|
|
CmdArgs.push_back(Args.MakeArgString("--sysroot=" + D.SysRoot));
|
|
|
|
if (IsPIE)
|
|
CmdArgs.push_back("-pie");
|
|
|
|
if (Args.hasArg(options::OPT_rdynamic))
|
|
CmdArgs.push_back("-export-dynamic");
|
|
|
|
if (Args.hasArg(options::OPT_s))
|
|
CmdArgs.push_back("-s");
|
|
|
|
for (std::vector<std::string>::const_iterator i = ToolChain.ExtraOpts.begin(),
|
|
e = ToolChain.ExtraOpts.end();
|
|
i != e; ++i)
|
|
CmdArgs.push_back(i->c_str());
|
|
|
|
if (!Args.hasArg(options::OPT_static)) {
|
|
CmdArgs.push_back("--eh-frame-hdr");
|
|
}
|
|
|
|
CmdArgs.push_back("-m");
|
|
if (ToolChain.getArch() == llvm::Triple::x86)
|
|
CmdArgs.push_back("elf_i386");
|
|
else if (ToolChain.getArch() == llvm::Triple::aarch64)
|
|
CmdArgs.push_back("aarch64linux");
|
|
else if (ToolChain.getArch() == llvm::Triple::aarch64_be)
|
|
CmdArgs.push_back("aarch64_be_linux");
|
|
else if (ToolChain.getArch() == llvm::Triple::arm
|
|
|| ToolChain.getArch() == llvm::Triple::thumb)
|
|
CmdArgs.push_back("armelf_linux_eabi");
|
|
else if (ToolChain.getArch() == llvm::Triple::ppc)
|
|
CmdArgs.push_back("elf32ppclinux");
|
|
else if (ToolChain.getArch() == llvm::Triple::ppc64)
|
|
CmdArgs.push_back("elf64ppc");
|
|
else if (ToolChain.getArch() == llvm::Triple::sparc)
|
|
CmdArgs.push_back("elf32_sparc");
|
|
else if (ToolChain.getArch() == llvm::Triple::sparcv9)
|
|
CmdArgs.push_back("elf64_sparc");
|
|
else if (ToolChain.getArch() == llvm::Triple::mips)
|
|
CmdArgs.push_back("elf32btsmip");
|
|
else if (ToolChain.getArch() == llvm::Triple::mipsel)
|
|
CmdArgs.push_back("elf32ltsmip");
|
|
else if (ToolChain.getArch() == llvm::Triple::mips64) {
|
|
if (mips::hasMipsAbiArg(Args, "n32"))
|
|
CmdArgs.push_back("elf32btsmipn32");
|
|
else
|
|
CmdArgs.push_back("elf64btsmip");
|
|
}
|
|
else if (ToolChain.getArch() == llvm::Triple::mips64el) {
|
|
if (mips::hasMipsAbiArg(Args, "n32"))
|
|
CmdArgs.push_back("elf32ltsmipn32");
|
|
else
|
|
CmdArgs.push_back("elf64ltsmip");
|
|
}
|
|
else if (ToolChain.getArch() == llvm::Triple::systemz)
|
|
CmdArgs.push_back("elf64_s390");
|
|
else
|
|
CmdArgs.push_back("elf_x86_64");
|
|
|
|
if (Args.hasArg(options::OPT_static)) {
|
|
if (ToolChain.getArch() == llvm::Triple::arm ||
|
|
ToolChain.getArch() == llvm::Triple::thumb)
|
|
CmdArgs.push_back("-Bstatic");
|
|
else
|
|
CmdArgs.push_back("-static");
|
|
} else if (Args.hasArg(options::OPT_shared)) {
|
|
CmdArgs.push_back("-shared");
|
|
if (isAndroid) {
|
|
CmdArgs.push_back("-Bsymbolic");
|
|
}
|
|
}
|
|
|
|
if (ToolChain.getArch() == llvm::Triple::arm ||
|
|
ToolChain.getArch() == llvm::Triple::thumb ||
|
|
(!Args.hasArg(options::OPT_static) &&
|
|
!Args.hasArg(options::OPT_shared))) {
|
|
CmdArgs.push_back("-dynamic-linker");
|
|
CmdArgs.push_back(Args.MakeArgString(
|
|
D.DyldPrefix + getLinuxDynamicLinker(Args, ToolChain)));
|
|
}
|
|
|
|
CmdArgs.push_back("-o");
|
|
CmdArgs.push_back(Output.getFilename());
|
|
|
|
if (!Args.hasArg(options::OPT_nostdlib) &&
|
|
!Args.hasArg(options::OPT_nostartfiles)) {
|
|
if (!isAndroid) {
|
|
const char *crt1 = NULL;
|
|
if (!Args.hasArg(options::OPT_shared)){
|
|
if (Args.hasArg(options::OPT_pg))
|
|
crt1 = "gcrt1.o";
|
|
else if (IsPIE)
|
|
crt1 = "Scrt1.o";
|
|
else
|
|
crt1 = "crt1.o";
|
|
}
|
|
if (crt1)
|
|
CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath(crt1)));
|
|
|
|
CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crti.o")));
|
|
}
|
|
|
|
const char *crtbegin;
|
|
if (Args.hasArg(options::OPT_static))
|
|
crtbegin = isAndroid ? "crtbegin_static.o" : "crtbeginT.o";
|
|
else if (Args.hasArg(options::OPT_shared))
|
|
crtbegin = isAndroid ? "crtbegin_so.o" : "crtbeginS.o";
|
|
else if (IsPIE)
|
|
crtbegin = isAndroid ? "crtbegin_dynamic.o" : "crtbeginS.o";
|
|
else
|
|
crtbegin = isAndroid ? "crtbegin_dynamic.o" : "crtbegin.o";
|
|
CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath(crtbegin)));
|
|
|
|
// Add crtfastmath.o if available and fast math is enabled.
|
|
ToolChain.AddFastMathRuntimeIfAvailable(Args, CmdArgs);
|
|
}
|
|
|
|
Args.AddAllArgs(CmdArgs, options::OPT_L);
|
|
|
|
const ToolChain::path_list Paths = ToolChain.getFilePaths();
|
|
|
|
for (ToolChain::path_list::const_iterator i = Paths.begin(), e = Paths.end();
|
|
i != e; ++i)
|
|
CmdArgs.push_back(Args.MakeArgString(StringRef("-L") + *i));
|
|
|
|
if (D.IsUsingLTO(Args))
|
|
AddGoldPlugin(ToolChain, Args, CmdArgs);
|
|
|
|
if (Args.hasArg(options::OPT_Z_Xlinker__no_demangle))
|
|
CmdArgs.push_back("--no-demangle");
|
|
|
|
AddLinkerInputs(ToolChain, Inputs, Args, CmdArgs);
|
|
|
|
addSanitizerRuntimes(getToolChain(), Args, CmdArgs);
|
|
// The profile runtime also needs access to system libraries.
|
|
addProfileRT(getToolChain(), Args, CmdArgs);
|
|
|
|
if (D.CCCIsCXX() &&
|
|
!Args.hasArg(options::OPT_nostdlib) &&
|
|
!Args.hasArg(options::OPT_nodefaultlibs)) {
|
|
bool OnlyLibstdcxxStatic = Args.hasArg(options::OPT_static_libstdcxx) &&
|
|
!Args.hasArg(options::OPT_static);
|
|
if (OnlyLibstdcxxStatic)
|
|
CmdArgs.push_back("-Bstatic");
|
|
ToolChain.AddCXXStdlibLibArgs(Args, CmdArgs);
|
|
if (OnlyLibstdcxxStatic)
|
|
CmdArgs.push_back("-Bdynamic");
|
|
CmdArgs.push_back("-lm");
|
|
}
|
|
|
|
if (!Args.hasArg(options::OPT_nostdlib)) {
|
|
if (!Args.hasArg(options::OPT_nodefaultlibs)) {
|
|
if (Args.hasArg(options::OPT_static))
|
|
CmdArgs.push_back("--start-group");
|
|
|
|
LibOpenMP UsedOpenMPLib = LibUnknown;
|
|
if (Args.hasArg(options::OPT_fopenmp)) {
|
|
UsedOpenMPLib = LibGOMP;
|
|
} else if (const Arg *A = Args.getLastArg(options::OPT_fopenmp_EQ)) {
|
|
UsedOpenMPLib = llvm::StringSwitch<LibOpenMP>(A->getValue())
|
|
.Case("libgomp", LibGOMP)
|
|
.Case("libiomp5", LibIOMP5)
|
|
.Default(LibUnknown);
|
|
if (UsedOpenMPLib == LibUnknown)
|
|
D.Diag(diag::err_drv_unsupported_option_argument)
|
|
<< A->getOption().getName() << A->getValue();
|
|
}
|
|
switch (UsedOpenMPLib) {
|
|
case LibGOMP:
|
|
CmdArgs.push_back("-lgomp");
|
|
|
|
// FIXME: Exclude this for platforms with libgomp that don't require
|
|
// librt. Most modern Linux platforms require it, but some may not.
|
|
CmdArgs.push_back("-lrt");
|
|
break;
|
|
case LibIOMP5:
|
|
CmdArgs.push_back("-liomp5");
|
|
break;
|
|
case LibUnknown:
|
|
break;
|
|
}
|
|
AddRunTimeLibs(ToolChain, D, CmdArgs, Args);
|
|
|
|
if (Args.hasArg(options::OPT_pthread) ||
|
|
Args.hasArg(options::OPT_pthreads) || UsedOpenMPLib != LibUnknown)
|
|
CmdArgs.push_back("-lpthread");
|
|
|
|
CmdArgs.push_back("-lc");
|
|
|
|
if (Args.hasArg(options::OPT_static))
|
|
CmdArgs.push_back("--end-group");
|
|
else
|
|
AddRunTimeLibs(ToolChain, D, CmdArgs, Args);
|
|
}
|
|
|
|
if (!Args.hasArg(options::OPT_nostartfiles)) {
|
|
const char *crtend;
|
|
if (Args.hasArg(options::OPT_shared))
|
|
crtend = isAndroid ? "crtend_so.o" : "crtendS.o";
|
|
else if (IsPIE)
|
|
crtend = isAndroid ? "crtend_android.o" : "crtendS.o";
|
|
else
|
|
crtend = isAndroid ? "crtend_android.o" : "crtend.o";
|
|
|
|
CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath(crtend)));
|
|
if (!isAndroid)
|
|
CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crtn.o")));
|
|
}
|
|
}
|
|
|
|
C.addCommand(new Command(JA, *this, ToolChain.Linker.c_str(), CmdArgs));
|
|
}
|
|
|
|
void minix::Assemble::ConstructJob(Compilation &C, const JobAction &JA,
|
|
const InputInfo &Output,
|
|
const InputInfoList &Inputs,
|
|
const ArgList &Args,
|
|
const char *LinkingOutput) const {
|
|
ArgStringList CmdArgs;
|
|
|
|
Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA,
|
|
options::OPT_Xassembler);
|
|
|
|
CmdArgs.push_back("-o");
|
|
CmdArgs.push_back(Output.getFilename());
|
|
|
|
for (InputInfoList::const_iterator
|
|
it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
|
|
const InputInfo &II = *it;
|
|
CmdArgs.push_back(II.getFilename());
|
|
}
|
|
|
|
const char *Exec =
|
|
Args.MakeArgString(getToolChain().GetProgramPath("as"));
|
|
C.addCommand(new Command(JA, *this, Exec, CmdArgs));
|
|
}
|
|
|
|
void minix::Link::ConstructJob(Compilation &C, const JobAction &JA,
|
|
const InputInfo &Output,
|
|
const InputInfoList &Inputs,
|
|
const ArgList &Args,
|
|
const char *LinkingOutput) const {
|
|
const Driver &D = getToolChain().getDriver();
|
|
ArgStringList CmdArgs;
|
|
|
|
if (Output.isFilename()) {
|
|
CmdArgs.push_back("-o");
|
|
CmdArgs.push_back(Output.getFilename());
|
|
} else {
|
|
assert(Output.isNothing() && "Invalid output.");
|
|
}
|
|
|
|
if (!Args.hasArg(options::OPT_nostdlib) &&
|
|
!Args.hasArg(options::OPT_nostartfiles)) {
|
|
CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath("crt1.o")));
|
|
CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath("crti.o")));
|
|
CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath("crtbegin.o")));
|
|
CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath("crtn.o")));
|
|
}
|
|
|
|
Args.AddAllArgs(CmdArgs, options::OPT_L);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_T_Group);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_e);
|
|
|
|
AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs);
|
|
|
|
addProfileRT(getToolChain(), Args, CmdArgs);
|
|
|
|
if (!Args.hasArg(options::OPT_nostdlib) &&
|
|
!Args.hasArg(options::OPT_nodefaultlibs)) {
|
|
if (D.CCCIsCXX()) {
|
|
getToolChain().AddCXXStdlibLibArgs(Args, CmdArgs);
|
|
CmdArgs.push_back("-lm");
|
|
}
|
|
}
|
|
|
|
if (!Args.hasArg(options::OPT_nostdlib) &&
|
|
!Args.hasArg(options::OPT_nostartfiles)) {
|
|
if (Args.hasArg(options::OPT_pthread))
|
|
CmdArgs.push_back("-lpthread");
|
|
CmdArgs.push_back("-lc");
|
|
CmdArgs.push_back("-lCompilerRT-Generic");
|
|
CmdArgs.push_back("-L/usr/pkg/compiler-rt/lib");
|
|
CmdArgs.push_back(
|
|
Args.MakeArgString(getToolChain().GetFilePath("crtend.o")));
|
|
}
|
|
|
|
const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath("ld"));
|
|
C.addCommand(new Command(JA, *this, Exec, CmdArgs));
|
|
}
|
|
|
|
/// DragonFly Tools
|
|
|
|
// For now, DragonFly Assemble does just about the same as for
|
|
// FreeBSD, but this may change soon.
|
|
void dragonfly::Assemble::ConstructJob(Compilation &C, const JobAction &JA,
|
|
const InputInfo &Output,
|
|
const InputInfoList &Inputs,
|
|
const ArgList &Args,
|
|
const char *LinkingOutput) const {
|
|
ArgStringList CmdArgs;
|
|
|
|
// When building 32-bit code on DragonFly/pc64, we have to explicitly
|
|
// instruct as in the base system to assemble 32-bit code.
|
|
if (getToolChain().getArch() == llvm::Triple::x86)
|
|
CmdArgs.push_back("--32");
|
|
|
|
Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA,
|
|
options::OPT_Xassembler);
|
|
|
|
CmdArgs.push_back("-o");
|
|
CmdArgs.push_back(Output.getFilename());
|
|
|
|
for (InputInfoList::const_iterator
|
|
it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
|
|
const InputInfo &II = *it;
|
|
CmdArgs.push_back(II.getFilename());
|
|
}
|
|
|
|
const char *Exec =
|
|
Args.MakeArgString(getToolChain().GetProgramPath("as"));
|
|
C.addCommand(new Command(JA, *this, Exec, CmdArgs));
|
|
}
|
|
|
|
void dragonfly::Link::ConstructJob(Compilation &C, const JobAction &JA,
|
|
const InputInfo &Output,
|
|
const InputInfoList &Inputs,
|
|
const ArgList &Args,
|
|
const char *LinkingOutput) const {
|
|
bool UseGCC47 = false;
|
|
const Driver &D = getToolChain().getDriver();
|
|
ArgStringList CmdArgs;
|
|
|
|
if (llvm::sys::fs::exists("/usr/lib/gcc47", UseGCC47))
|
|
UseGCC47 = false;
|
|
|
|
if (!D.SysRoot.empty())
|
|
CmdArgs.push_back(Args.MakeArgString("--sysroot=" + D.SysRoot));
|
|
|
|
CmdArgs.push_back("--eh-frame-hdr");
|
|
if (Args.hasArg(options::OPT_static)) {
|
|
CmdArgs.push_back("-Bstatic");
|
|
} else {
|
|
if (Args.hasArg(options::OPT_rdynamic))
|
|
CmdArgs.push_back("-export-dynamic");
|
|
if (Args.hasArg(options::OPT_shared))
|
|
CmdArgs.push_back("-Bshareable");
|
|
else {
|
|
CmdArgs.push_back("-dynamic-linker");
|
|
CmdArgs.push_back("/usr/libexec/ld-elf.so.2");
|
|
}
|
|
CmdArgs.push_back("--hash-style=both");
|
|
}
|
|
|
|
// When building 32-bit code on DragonFly/pc64, we have to explicitly
|
|
// instruct ld in the base system to link 32-bit code.
|
|
if (getToolChain().getArch() == llvm::Triple::x86) {
|
|
CmdArgs.push_back("-m");
|
|
CmdArgs.push_back("elf_i386");
|
|
}
|
|
|
|
if (Output.isFilename()) {
|
|
CmdArgs.push_back("-o");
|
|
CmdArgs.push_back(Output.getFilename());
|
|
} else {
|
|
assert(Output.isNothing() && "Invalid output.");
|
|
}
|
|
|
|
if (!Args.hasArg(options::OPT_nostdlib) &&
|
|
!Args.hasArg(options::OPT_nostartfiles)) {
|
|
if (!Args.hasArg(options::OPT_shared)) {
|
|
if (Args.hasArg(options::OPT_pg))
|
|
CmdArgs.push_back(Args.MakeArgString(
|
|
getToolChain().GetFilePath("gcrt1.o")));
|
|
else {
|
|
if (Args.hasArg(options::OPT_pie))
|
|
CmdArgs.push_back(Args.MakeArgString(
|
|
getToolChain().GetFilePath("Scrt1.o")));
|
|
else
|
|
CmdArgs.push_back(Args.MakeArgString(
|
|
getToolChain().GetFilePath("crt1.o")));
|
|
}
|
|
}
|
|
CmdArgs.push_back(Args.MakeArgString(
|
|
getToolChain().GetFilePath("crti.o")));
|
|
if (Args.hasArg(options::OPT_shared) || Args.hasArg(options::OPT_pie))
|
|
CmdArgs.push_back(Args.MakeArgString(
|
|
getToolChain().GetFilePath("crtbeginS.o")));
|
|
else
|
|
CmdArgs.push_back(Args.MakeArgString(
|
|
getToolChain().GetFilePath("crtbegin.o")));
|
|
}
|
|
|
|
Args.AddAllArgs(CmdArgs, options::OPT_L);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_T_Group);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_e);
|
|
|
|
AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs);
|
|
|
|
if (!Args.hasArg(options::OPT_nostdlib) &&
|
|
!Args.hasArg(options::OPT_nodefaultlibs)) {
|
|
// FIXME: GCC passes on -lgcc, -lgcc_pic and a whole lot of
|
|
// rpaths
|
|
if (UseGCC47)
|
|
CmdArgs.push_back("-L/usr/lib/gcc47");
|
|
else
|
|
CmdArgs.push_back("-L/usr/lib/gcc44");
|
|
|
|
if (!Args.hasArg(options::OPT_static)) {
|
|
if (UseGCC47) {
|
|
CmdArgs.push_back("-rpath");
|
|
CmdArgs.push_back("/usr/lib/gcc47");
|
|
} else {
|
|
CmdArgs.push_back("-rpath");
|
|
CmdArgs.push_back("/usr/lib/gcc44");
|
|
}
|
|
}
|
|
|
|
if (D.CCCIsCXX()) {
|
|
getToolChain().AddCXXStdlibLibArgs(Args, CmdArgs);
|
|
CmdArgs.push_back("-lm");
|
|
}
|
|
|
|
if (Args.hasArg(options::OPT_pthread))
|
|
CmdArgs.push_back("-lpthread");
|
|
|
|
if (!Args.hasArg(options::OPT_nolibc)) {
|
|
CmdArgs.push_back("-lc");
|
|
}
|
|
|
|
if (UseGCC47) {
|
|
if (Args.hasArg(options::OPT_static) ||
|
|
Args.hasArg(options::OPT_static_libgcc)) {
|
|
CmdArgs.push_back("-lgcc");
|
|
CmdArgs.push_back("-lgcc_eh");
|
|
} else {
|
|
if (Args.hasArg(options::OPT_shared_libgcc)) {
|
|
CmdArgs.push_back("-lgcc_pic");
|
|
if (!Args.hasArg(options::OPT_shared))
|
|
CmdArgs.push_back("-lgcc");
|
|
} else {
|
|
CmdArgs.push_back("-lgcc");
|
|
CmdArgs.push_back("--as-needed");
|
|
CmdArgs.push_back("-lgcc_pic");
|
|
CmdArgs.push_back("--no-as-needed");
|
|
}
|
|
}
|
|
} else {
|
|
if (Args.hasArg(options::OPT_shared)) {
|
|
CmdArgs.push_back("-lgcc_pic");
|
|
} else {
|
|
CmdArgs.push_back("-lgcc");
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!Args.hasArg(options::OPT_nostdlib) &&
|
|
!Args.hasArg(options::OPT_nostartfiles)) {
|
|
if (Args.hasArg(options::OPT_shared) || Args.hasArg(options::OPT_pie))
|
|
CmdArgs.push_back(Args.MakeArgString(
|
|
getToolChain().GetFilePath("crtendS.o")));
|
|
else
|
|
CmdArgs.push_back(Args.MakeArgString(
|
|
getToolChain().GetFilePath("crtend.o")));
|
|
CmdArgs.push_back(Args.MakeArgString(
|
|
getToolChain().GetFilePath("crtn.o")));
|
|
}
|
|
|
|
addProfileRT(getToolChain(), Args, CmdArgs);
|
|
|
|
const char *Exec =
|
|
Args.MakeArgString(getToolChain().GetProgramPath("ld"));
|
|
C.addCommand(new Command(JA, *this, Exec, CmdArgs));
|
|
}
|
|
|
|
void visualstudio::Link::ConstructJob(Compilation &C, const JobAction &JA,
|
|
const InputInfo &Output,
|
|
const InputInfoList &Inputs,
|
|
const ArgList &Args,
|
|
const char *LinkingOutput) const {
|
|
ArgStringList CmdArgs;
|
|
|
|
if (Output.isFilename()) {
|
|
CmdArgs.push_back(Args.MakeArgString(std::string("-out:") +
|
|
Output.getFilename()));
|
|
} else {
|
|
assert(Output.isNothing() && "Invalid output.");
|
|
}
|
|
|
|
if (!Args.hasArg(options::OPT_nostdlib) &&
|
|
!Args.hasArg(options::OPT_nostartfiles) &&
|
|
!C.getDriver().IsCLMode()) {
|
|
CmdArgs.push_back("-defaultlib:libcmt");
|
|
}
|
|
|
|
CmdArgs.push_back("-nologo");
|
|
|
|
bool DLL = Args.hasArg(options::OPT__SLASH_LD, options::OPT__SLASH_LDd);
|
|
|
|
if (DLL) {
|
|
CmdArgs.push_back(Args.MakeArgString("-dll"));
|
|
|
|
SmallString<128> ImplibName(Output.getFilename());
|
|
llvm::sys::path::replace_extension(ImplibName, "lib");
|
|
CmdArgs.push_back(Args.MakeArgString(std::string("-implib:") +
|
|
ImplibName.str()));
|
|
}
|
|
|
|
if (getToolChain().getSanitizerArgs().needsAsanRt()) {
|
|
CmdArgs.push_back(Args.MakeArgString("-debug"));
|
|
CmdArgs.push_back(Args.MakeArgString("-incremental:no"));
|
|
SmallString<128> LibSanitizer(getToolChain().getDriver().ResourceDir);
|
|
llvm::sys::path::append(LibSanitizer, "lib", "windows");
|
|
if (DLL) {
|
|
llvm::sys::path::append(LibSanitizer, "clang_rt.asan_dll_thunk-i386.lib");
|
|
} else {
|
|
llvm::sys::path::append(LibSanitizer, "clang_rt.asan-i386.lib");
|
|
}
|
|
// FIXME: Handle 64-bit.
|
|
CmdArgs.push_back(Args.MakeArgString(LibSanitizer));
|
|
}
|
|
|
|
Args.AddAllArgValues(CmdArgs, options::OPT_l);
|
|
Args.AddAllArgValues(CmdArgs, options::OPT__SLASH_link);
|
|
|
|
// Add filenames immediately.
|
|
for (InputInfoList::const_iterator
|
|
it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
|
|
if (it->isFilename())
|
|
CmdArgs.push_back(it->getFilename());
|
|
else
|
|
it->getInputArg().renderAsInput(Args, CmdArgs);
|
|
}
|
|
|
|
const char *Exec =
|
|
Args.MakeArgString(getToolChain().GetProgramPath("link.exe"));
|
|
C.addCommand(new Command(JA, *this, Exec, CmdArgs));
|
|
}
|
|
|
|
void visualstudio::Compile::ConstructJob(Compilation &C, const JobAction &JA,
|
|
const InputInfo &Output,
|
|
const InputInfoList &Inputs,
|
|
const ArgList &Args,
|
|
const char *LinkingOutput) const {
|
|
C.addCommand(GetCommand(C, JA, Output, Inputs, Args, LinkingOutput));
|
|
}
|
|
|
|
// Try to find FallbackName on PATH that is not identical to ClangProgramPath.
|
|
// If one cannot be found, return FallbackName.
|
|
// We do this special search to prevent clang-cl from falling back onto itself
|
|
// if it's available as cl.exe on the path.
|
|
static std::string FindFallback(const char *FallbackName,
|
|
const char *ClangProgramPath) {
|
|
llvm::Optional<std::string> OptPath = llvm::sys::Process::GetEnv("PATH");
|
|
if (!OptPath.hasValue())
|
|
return FallbackName;
|
|
|
|
#ifdef LLVM_ON_WIN32
|
|
const StringRef PathSeparators = ";";
|
|
#else
|
|
const StringRef PathSeparators = ":";
|
|
#endif
|
|
|
|
SmallVector<StringRef, 8> PathSegments;
|
|
llvm::SplitString(OptPath.getValue(), PathSegments, PathSeparators);
|
|
|
|
for (size_t i = 0, e = PathSegments.size(); i != e; ++i) {
|
|
const StringRef &PathSegment = PathSegments[i];
|
|
if (PathSegment.empty())
|
|
continue;
|
|
|
|
SmallString<128> FilePath(PathSegment);
|
|
llvm::sys::path::append(FilePath, FallbackName);
|
|
if (llvm::sys::fs::can_execute(Twine(FilePath)) &&
|
|
!llvm::sys::fs::equivalent(Twine(FilePath), ClangProgramPath))
|
|
return FilePath.str();
|
|
}
|
|
|
|
return FallbackName;
|
|
}
|
|
|
|
Command *visualstudio::Compile::GetCommand(Compilation &C, const JobAction &JA,
|
|
const InputInfo &Output,
|
|
const InputInfoList &Inputs,
|
|
const ArgList &Args,
|
|
const char *LinkingOutput) const {
|
|
ArgStringList CmdArgs;
|
|
CmdArgs.push_back("/nologo");
|
|
CmdArgs.push_back("/c"); // Compile only.
|
|
CmdArgs.push_back("/W0"); // No warnings.
|
|
|
|
// The goal is to be able to invoke this tool correctly based on
|
|
// any flag accepted by clang-cl.
|
|
|
|
// These are spelled the same way in clang and cl.exe,.
|
|
Args.AddAllArgs(CmdArgs, options::OPT_D, options::OPT_U);
|
|
Args.AddAllArgs(CmdArgs, options::OPT_I);
|
|
|
|
// Optimization level.
|
|
if (Arg *A = Args.getLastArg(options::OPT_O, options::OPT_O0)) {
|
|
if (A->getOption().getID() == options::OPT_O0) {
|
|
CmdArgs.push_back("/Od");
|
|
} else {
|
|
StringRef OptLevel = A->getValue();
|
|
if (OptLevel == "1" || OptLevel == "2" || OptLevel == "s")
|
|
A->render(Args, CmdArgs);
|
|
else if (OptLevel == "3")
|
|
CmdArgs.push_back("/Ox");
|
|
}
|
|
}
|
|
|
|
// Flags for which clang-cl have an alias.
|
|
// FIXME: How can we ensure this stays in sync with relevant clang-cl options?
|
|
|
|
if (Arg *A = Args.getLastArg(options::OPT_frtti, options::OPT_fno_rtti))
|
|
CmdArgs.push_back(A->getOption().getID() == options::OPT_frtti ? "/GR"
|
|
: "/GR-");
|
|
if (Args.hasArg(options::OPT_fsyntax_only))
|
|
CmdArgs.push_back("/Zs");
|
|
if (Args.hasArg(options::OPT_g_Flag, options::OPT_gline_tables_only))
|
|
CmdArgs.push_back("/Z7");
|
|
|
|
std::vector<std::string> Includes = Args.getAllArgValues(options::OPT_include);
|
|
for (size_t I = 0, E = Includes.size(); I != E; ++I)
|
|
CmdArgs.push_back(Args.MakeArgString(std::string("/FI") + Includes[I]));
|
|
|
|
// Flags that can simply be passed through.
|
|
Args.AddAllArgs(CmdArgs, options::OPT__SLASH_LD);
|
|
Args.AddAllArgs(CmdArgs, options::OPT__SLASH_LDd);
|
|
|
|
// The order of these flags is relevant, so pick the last one.
|
|
if (Arg *A = Args.getLastArg(options::OPT__SLASH_MD, options::OPT__SLASH_MDd,
|
|
options::OPT__SLASH_MT, options::OPT__SLASH_MTd))
|
|
A->render(Args, CmdArgs);
|
|
|
|
|
|
// Input filename.
|
|
assert(Inputs.size() == 1);
|
|
const InputInfo &II = Inputs[0];
|
|
assert(II.getType() == types::TY_C || II.getType() == types::TY_CXX);
|
|
CmdArgs.push_back(II.getType() == types::TY_C ? "/Tc" : "/Tp");
|
|
if (II.isFilename())
|
|
CmdArgs.push_back(II.getFilename());
|
|
else
|
|
II.getInputArg().renderAsInput(Args, CmdArgs);
|
|
|
|
// Output filename.
|
|
assert(Output.getType() == types::TY_Object);
|
|
const char *Fo = Args.MakeArgString(std::string("/Fo") +
|
|
Output.getFilename());
|
|
CmdArgs.push_back(Fo);
|
|
|
|
const Driver &D = getToolChain().getDriver();
|
|
std::string Exec = FindFallback("cl.exe", D.getClangProgramPath());
|
|
|
|
return new Command(JA, *this, Args.MakeArgString(Exec), CmdArgs);
|
|
}
|
|
|
|
|
|
/// XCore Tools
|
|
// We pass assemble and link construction to the xcc tool.
|
|
|
|
void XCore::Assemble::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());
|
|
|
|
CmdArgs.push_back("-c");
|
|
|
|
if (Args.hasArg(options::OPT_v))
|
|
CmdArgs.push_back("-v");
|
|
|
|
if (Args.hasArg(options::OPT_g_Group))
|
|
CmdArgs.push_back("-g");
|
|
|
|
if (Args.hasFlag(options::OPT_fverbose_asm, options::OPT_fno_verbose_asm,
|
|
false))
|
|
CmdArgs.push_back("-fverbose-asm");
|
|
|
|
Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA,
|
|
options::OPT_Xassembler);
|
|
|
|
for (InputInfoList::const_iterator
|
|
it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
|
|
const InputInfo &II = *it;
|
|
CmdArgs.push_back(II.getFilename());
|
|
}
|
|
|
|
const char *Exec =
|
|
Args.MakeArgString(getToolChain().GetProgramPath("xcc"));
|
|
C.addCommand(new Command(JA, *this, Exec, CmdArgs));
|
|
}
|
|
|
|
void XCore::Link::ConstructJob(Compilation &C, const JobAction &JA,
|
|
const InputInfo &Output,
|
|
const InputInfoList &Inputs,
|
|
const ArgList &Args,
|
|
const char *LinkingOutput) const {
|
|
ArgStringList CmdArgs;
|
|
|
|
if (Output.isFilename()) {
|
|
CmdArgs.push_back("-o");
|
|
CmdArgs.push_back(Output.getFilename());
|
|
} else {
|
|
assert(Output.isNothing() && "Invalid output.");
|
|
}
|
|
|
|
if (Args.hasArg(options::OPT_v))
|
|
CmdArgs.push_back("-v");
|
|
|
|
ExceptionSettings EH = exceptionSettings(Args, getToolChain().getTriple());
|
|
if (EH.ShouldUseExceptionTables)
|
|
CmdArgs.push_back("-fexceptions");
|
|
|
|
AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs);
|
|
|
|
const char *Exec =
|
|
Args.MakeArgString(getToolChain().GetProgramPath("xcc"));
|
|
C.addCommand(new Command(JA, *this, Exec, CmdArgs));
|
|
}
|