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llvm-project/clang/lib/Driver/Tools.cpp

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//===--- 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 "clang/Driver/Action.h"
#include "clang/Driver/Arg.h"
#include "clang/Driver/ArgList.h"
#include "clang/Driver/Driver.h"
#include "clang/Driver/DriverDiagnostic.h"
#include "clang/Driver/Compilation.h"
#include "clang/Driver/Job.h"
#include "clang/Driver/HostInfo.h"
#include "clang/Driver/Option.h"
#include "clang/Driver/Options.h"
#include "clang/Driver/ToolChain.h"
#include "clang/Driver/Util.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/StringSwitch.h"
#include "llvm/ADT/Twine.h"
#include "llvm/Support/Format.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/System/Host.h"
#include "llvm/System/Process.h"
#include "InputInfo.h"
#include "ToolChains.h"
using namespace clang::driver;
using namespace clang::driver::tools;
/// 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.Diag(clang::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(clang::diag::err_drv_argument_not_allowed_with)
<< A->getAsString(Args) << "-static";
}
// Quote target names for inclusion in GNU Make dependency files.
// Only the characters '$', '#', ' ', '\t' are quoted.
static void QuoteTarget(llvm::StringRef Target,
llvm::SmallVectorImpl<char> &Res) {
for (unsigned i = 0, e = Target.size(); i != e; ++i) {
switch (Target[i]) {
case ' ':
case '\t':
// Escape the preceding backslashes
for (int j = i - 1; j >= 0 && Target[j] == '\\'; --j)
Res.push_back('\\');
// Escape the space/tab
Res.push_back('\\');
break;
case '$':
Res.push_back('$');
break;
case '#':
Res.push_back('\\');
break;
default:
break;
}
Res.push_back(Target[i]);
}
}
void Clang::AddPreprocessingOptions(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)) ||
(A = Args.getLastArg(options::OPT_MM)) ||
(A = Args.getLastArg(options::OPT_MD)) ||
(A = Args.getLastArg(options::OPT_MMD))) {
// Determine the output location.
const char *DepFile;
if (Output.getType() == types::TY_Dependencies) {
DepFile = Output.getFilename();
} else if (Arg *MF = Args.getLastArg(options::OPT_MF)) {
DepFile = MF->getValue(Args);
} else if (A->getOption().matches(options::OPT_M) ||
A->getOption().matches(options::OPT_MM)) {
DepFile = "-";
} else {
DepFile = darwin::CC1::getDependencyFileName(Args, Inputs);
}
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(Args);
} else {
// Otherwise derive from the base input.
//
// FIXME: This should use the computed output file location.
llvm::sys::Path P(Inputs[0].getBaseInput());
P.eraseSuffix();
P.appendSuffix("o");
DepTarget = Args.MakeArgString(P.getLast());
}
CmdArgs.push_back("-MT");
llvm::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");
}
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");
llvm::SmallString<128> Quoted;
QuoteTarget(A->getValue(Args), 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.
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)) {
// Use PCH if the user requested it.
bool UsePCH = D.CCCUsePCH;
bool FoundPTH = false;
bool FoundPCH = false;
llvm::sys::Path P(A->getValue(Args));
if (UsePCH) {
P.appendSuffix("pch");
if (P.exists())
FoundPCH = true;
else
P.eraseSuffix();
}
if (!FoundPCH) {
P.appendSuffix("pth");
if (P.exists())
FoundPTH = true;
else
P.eraseSuffix();
}
if (!FoundPCH && !FoundPTH) {
P.appendSuffix("gch");
if (P.exists()) {
FoundPCH = UsePCH;
FoundPTH = !UsePCH;
}
else
P.eraseSuffix();
}
if (FoundPCH || FoundPTH) {
A->claim();
if (UsePCH)
CmdArgs.push_back("-include-pch");
else
CmdArgs.push_back("-include-pth");
CmdArgs.push_back(Args.MakeArgString(P.str()));
continue;
}
}
// 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);
// 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(clang::diag::err_drv_I_dash_not_supported) << A->getAsString(Args);
}
/// getARMTargetCPU - Get the (LLVM) name of the ARM cpu we are targetting.
//
// FIXME: tblgen this.
static const char *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))
return A->getValue(Args);
llvm::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(Args);
} else {
// Otherwise, use the Arch from the triple.
MArch = Triple.getArchName();
}
if (MArch == "armv2" || MArch == "armv2a")
return "arm2";
if (MArch == "armv3")
return "arm6";
if (MArch == "armv3m")
return "arm7m";
if (MArch == "armv4" || MArch == "armv4t")
return "arm7tdmi";
if (MArch == "armv5" || MArch == "armv5t")
return "arm10tdmi";
if (MArch == "armv5e" || MArch == "armv5te")
return "arm1026ejs";
if (MArch == "armv5tej")
return "arm926ej-s";
if (MArch == "armv6" || MArch == "armv6k")
return "arm1136jf-s";
if (MArch == "armv6j")
return "arm1136j-s";
if (MArch == "armv6z" || MArch == "armv6zk")
return "arm1176jzf-s";
if (MArch == "armv6t2")
return "arm1156t2-s";
if (MArch == "armv7" || MArch == "armv7a" || MArch == "armv7-a")
return "cortex-a8";
if (MArch == "armv7r" || MArch == "armv7-r")
return "cortex-r4";
if (MArch == "armv7m" || MArch == "armv7-m")
return "cortex-m3";
if (MArch == "ep9312")
return "ep9312";
if (MArch == "iwmmxt")
return "iwmmxt";
if (MArch == "xscale")
return "xscale";
// If all else failed, return the most base CPU LLVM supports.
return "arm7tdmi";
}
/// 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!
static const char *getLLVMArchSuffixForARM(llvm::StringRef CPU) {
if (CPU == "arm7tdmi" || CPU == "arm7tdmi-s" || CPU == "arm710t" ||
CPU == "arm720t" || CPU == "arm9" || CPU == "arm9tdmi" ||
CPU == "arm920" || CPU == "arm920t" || CPU == "arm922t" ||
CPU == "arm940t" || CPU == "ep9312")
return "v4t";
if (CPU == "arm10tdmi" || CPU == "arm1020t")
return "v5";
if (CPU == "arm9e" || CPU == "arm926ej-s" || CPU == "arm946e-s" ||
CPU == "arm966e-s" || CPU == "arm968e-s" || CPU == "arm10e" ||
CPU == "arm1020e" || CPU == "arm1022e" || CPU == "xscale" ||
CPU == "iwmmxt")
return "v5e";
if (CPU == "arm1136j-s" || CPU == "arm1136jf-s" || CPU == "arm1176jz-s" ||
CPU == "arm1176jzf-s" || CPU == "mpcorenovfp" || CPU == "mpcore")
return "v6";
if (CPU == "arm1156t2-s" || CPU == "arm1156t2f-s")
return "v6t2";
if (CPU == "cortex-a8" || CPU == "cortex-a9")
return "v7";
return "";
}
/// getLLVMTriple - Get the LLVM triple to use for a particular toolchain, which
/// may depend on command line arguments.
static std::string getLLVMTriple(const ToolChain &TC, const ArgList &Args) {
switch (TC.getTriple().getArch()) {
default:
return TC.getTripleString();
case llvm::Triple::arm:
case llvm::Triple::thumb: {
// FIXME: Factor into subclasses.
llvm::Triple Triple = TC.getTriple();
// Thumb2 is the default for V7 on Darwin.
//
// FIXME: Thumb should just be another -target-feaure, not in the triple.
llvm::StringRef Suffix =
getLLVMArchSuffixForARM(getARMTargetCPU(Args, Triple));
bool ThumbDefault =
(Suffix == "v7" && TC.getTriple().getOS() == llvm::Triple::Darwin);
std::string ArchName = "arm";
if (Args.hasFlag(options::OPT_mthumb, options::OPT_mno_thumb, ThumbDefault))
ArchName = "thumb";
Triple.setArchName(ArchName + Suffix.str());
return Triple.getTriple();
}
}
}
// FIXME: Move to target hook.
static bool isSignedCharDefault(const llvm::Triple &Triple) {
switch (Triple.getArch()) {
default:
return true;
case llvm::Triple::ppc:
case llvm::Triple::ppc64:
if (Triple.getOS() == llvm::Triple::Darwin)
return true;
return false;
case llvm::Triple::systemz:
return false;
}
}
void Clang::AddARMTargetArgs(const ArgList &Args,
ArgStringList &CmdArgs) const {
const Driver &D = getToolChain().getDriver();
llvm::Triple Triple = getToolChain().getTriple();
// Select the ABI to use.
//
// FIXME: Support -meabi.
const char *ABIName = 0;
if (Arg *A = Args.getLastArg(options::OPT_mabi_EQ)) {
ABIName = A->getValue(Args);
} else {
// Select the default based on the platform.
llvm::StringRef env = Triple.getEnvironmentName();
if (env == "gnueabi")
ABIName = "aapcs-linux";
else if (env == "eabi")
ABIName = "aapcs";
else
ABIName = "apcs-gnu";
}
CmdArgs.push_back("-target-abi");
CmdArgs.push_back(ABIName);
// Set the CPU based on -march= and -mcpu=.
CmdArgs.push_back("-target-cpu");
CmdArgs.push_back(getARMTargetCPU(Args, Triple));
// Select the float ABI as determined by -msoft-float, -mhard-float, and
// -mfloat-abi=.
llvm::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(Args);
if (FloatABI != "soft" && FloatABI != "softfp" && FloatABI != "hard") {
D.Diag(clang::diag::err_drv_invalid_mfloat_abi)
<< A->getAsString(Args);
FloatABI = "soft";
}
}
}
// If unspecified, choose the default based on the platform.
if (FloatABI.empty()) {
const llvm::Triple &Triple = getToolChain().getTriple();
switch (Triple.getOS()) {
case llvm::Triple::Darwin: {
// Darwin defaults to "softfp" for v6 and v7.
//
// FIXME: Factor out an ARM class so we can cache the arch somewhere.
llvm::StringRef ArchName =
getLLVMArchSuffixForARM(getARMTargetCPU(Args, Triple));
if (ArchName.startswith("v6") || ArchName.startswith("v7"))
FloatABI = "softfp";
else
FloatABI = "soft";
break;
}
case llvm::Triple::Linux: {
llvm::StringRef Env = getToolChain().getTriple().getEnvironmentName();
if (Env == "gnueabi") {
FloatABI = "softfp";
break;
}
}
// fall through
default:
// Assume "soft", but warn the user we are guessing.
FloatABI = "soft";
D.Diag(clang::diag::warn_drv_assuming_mfloat_abi_is) << "soft";
break;
}
}
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");
}
// Set appropriate target features for floating point mode.
//
// FIXME: Note, this is a hack, the LLVM backend doesn't actually use these
// yet (it uses the -mfloat-abi and -msoft-float options above), and it is
// stripped out by the ARM target.
// Use software floating point operations?
if (FloatABI == "soft") {
CmdArgs.push_back("-target-feature");
CmdArgs.push_back("+soft-float");
}
// Use software floating point argument passing?
if (FloatABI != "hard") {
CmdArgs.push_back("-target-feature");
CmdArgs.push_back("+soft-float-abi");
}
// Honor -mfpu=.
//
// FIXME: Centralize feature selection, defaulting shouldn't be also in the
// frontend target.
if (const Arg *A = Args.getLastArg(options::OPT_mfpu_EQ)) {
llvm::StringRef FPU = A->getValue(Args);
// Set the target features based on the FPU.
if (FPU == "fpa" || FPU == "fpe2" || FPU == "fpe3" || FPU == "maverick") {
// Disable any default FPU support.
CmdArgs.push_back("-target-feature");
CmdArgs.push_back("-vfp2");
CmdArgs.push_back("-target-feature");
CmdArgs.push_back("-vfp3");
CmdArgs.push_back("-target-feature");
CmdArgs.push_back("-neon");
} else if (FPU == "vfp") {
CmdArgs.push_back("-target-feature");
CmdArgs.push_back("+vfp2");
} else if (FPU == "vfp3") {
CmdArgs.push_back("-target-feature");
CmdArgs.push_back("+vfp3");
} else if (FPU == "neon") {
CmdArgs.push_back("-target-feature");
CmdArgs.push_back("+neon");
} else
D.Diag(clang::diag::err_drv_clang_unsupported) << A->getAsString(Args);
}
}
void Clang::AddMIPSTargetArgs(const ArgList &Args,
ArgStringList &CmdArgs) const {
const Driver &D = getToolChain().getDriver();
// Select the ABI to use.
const char *ABIName = 0;
if (Arg *A = Args.getLastArg(options::OPT_mabi_EQ)) {
ABIName = A->getValue(Args);
} else {
ABIName = "o32";
}
CmdArgs.push_back("-target-abi");
CmdArgs.push_back(ABIName);
if (const Arg *A = Args.getLastArg(options::OPT_march_EQ)) {
llvm::StringRef MArch = A->getValue(Args);
CmdArgs.push_back("-target-cpu");
if ((MArch == "r2000") || (MArch == "r3000"))
CmdArgs.push_back("mips1");
else if (MArch == "r6000")
CmdArgs.push_back("mips2");
else
CmdArgs.push_back(MArch.str().c_str());
}
// Select the float ABI as determined by -msoft-float, -mhard-float, and
llvm::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(clang::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");
}
}
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");
if (Args.hasFlag(options::OPT_msoft_float,
options::OPT_mno_soft_float,
false))
CmdArgs.push_back("-no-implicit-float");
const char *CPUName = 0;
if (const Arg *A = Args.getLastArg(options::OPT_march_EQ)) {
if (llvm::StringRef(A->getValue(Args)) == "native") {
// 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())
CPUName = Args.MakeArgString(CPU);
} else
CPUName = A->getValue(Args);
}
// Select the default CPU if none was given (or detection failed).
if (!CPUName) {
// FIXME: Need target hooks.
if (getToolChain().getOS().startswith("darwin")) {
if (getToolChain().getArchName() == "x86_64")
CPUName = "core2";
else if (getToolChain().getArchName() == "i386")
CPUName = "yonah";
} else if (getToolChain().getOS().startswith("haiku")) {
if (getToolChain().getArchName() == "x86_64")
CPUName = "x86-64";
else if (getToolChain().getArchName() == "i386")
CPUName = "i586";
} else if (getToolChain().getOS().startswith("openbsd")) {
if (getToolChain().getArchName() == "x86_64")
CPUName = "x86-64";
else if (getToolChain().getArchName() == "i386")
CPUName = "i486";
} else {
if (getToolChain().getArchName() == "x86_64")
CPUName = "x86-64";
else if (getToolChain().getArchName() == "i386")
CPUName = "pentium4";
}
}
if (CPUName) {
CmdArgs.push_back("-target-cpu");
CmdArgs.push_back(CPUName);
}
for (arg_iterator it = Args.filtered_begin(options::OPT_m_x86_Features_Group),
ie = Args.filtered_end(); it != ie; ++it) {
llvm::StringRef Name = (*it)->getOption().getName();
(*it)->claim();
// Skip over "-m".
assert(Name.startswith("-m") && "Invalid feature name.");
Name = Name.substr(2);
bool IsNegative = Name.startswith("no-");
if (IsNegative)
Name = Name.substr(3);
CmdArgs.push_back("-target-feature");
CmdArgs.push_back(Args.MakeArgString((IsNegative ? "-" : "+") + Name));
}
}
static bool needsExceptions(const ArgList &Args, types::ID InputType,
const llvm::Triple &Triple) {
if (Arg *A = Args.getLastArg(options::OPT_fexceptions,
options::OPT_fno_exceptions)) {
if (A->getOption().matches(options::OPT_fexceptions))
return true;
else
return false;
}
switch (InputType) {
case types::TY_CXX: case types::TY_CXXHeader:
case types::TY_PP_CXX: case types::TY_PP_CXXHeader:
case types::TY_ObjCXX: case types::TY_ObjCXXHeader:
case types::TY_PP_ObjCXX: case types::TY_PP_ObjCXXHeader:
return true;
case types::TY_ObjC: case types::TY_ObjCHeader:
case types::TY_PP_ObjC: case types::TY_PP_ObjCHeader:
if (Args.hasArg(options::OPT_fobjc_nonfragile_abi))
return true;
if (Triple.getOS() != llvm::Triple::Darwin)
return false;
return (Triple.getDarwinMajorNumber() >= 9 &&
Triple.getArch() == llvm::Triple::x86_64);
default:
return false;
}
}
/// getEffectiveClangTriple - Get the "effective" target triple, which is the
/// triple for the target but with the OS version potentially modified for
/// Darwin's -mmacosx-version-min.
static std::string getEffectiveClangTriple(const Driver &D,
const ToolChain &TC,
const ArgList &Args) {
llvm::Triple Triple(getLLVMTriple(TC, Args));
// Handle -mmacosx-version-min and -miphoneos-version-min.
if (Triple.getOS() != llvm::Triple::Darwin) {
// Diagnose use of -mmacosx-version-min and -miphoneos-version-min on
// non-Darwin.
if (Arg *A = Args.getLastArg(options::OPT_mmacosx_version_min_EQ,
options::OPT_miphoneos_version_min_EQ))
D.Diag(clang::diag::err_drv_clang_unsupported) << A->getAsString(Args);
} else {
const toolchains::Darwin &DarwinTC(
reinterpret_cast<const toolchains::Darwin&>(TC));
// If the target isn't initialized (e.g., an unknown Darwin platform, return
// the default triple).
if (!DarwinTC.isTargetInitialized())
return Triple.getTriple();
unsigned Version[3];
DarwinTC.getTargetVersion(Version);
// Mangle the target version into the OS triple component. For historical
// reasons that make little sense, the version passed here is the "darwin"
// version, which drops the 10 and offsets by 4. See inverse code when
// setting the OS version preprocessor define.
if (!DarwinTC.isTargetIPhoneOS()) {
Version[0] = Version[1] + 4;
Version[1] = Version[2];
Version[2] = 0;
} else {
// Use the environment to communicate that we are targetting iPhoneOS.
Triple.setEnvironmentName("iphoneos");
}
llvm::SmallString<16> Str;
llvm::raw_svector_ostream(Str) << "darwin" << Version[0]
<< "." << Version[1] << "." << Version[2];
Triple.setOSName(Str.str());
}
return Triple.getTriple();
}
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 = getEffectiveClangTriple(D, getToolChain(), Args);
CmdArgs.push_back(Args.MakeArgString(TripleStr));
// Select the appropriate action.
bool IsRewriter = false;
if (isa<AnalyzeJobAction>(JA)) {
assert(JA.getType() == types::TY_Plist && "Invalid output type.");
CmdArgs.push_back("-analyze");
} else if (isa<PreprocessJobAction>(JA)) {
if (Output.getType() == types::TY_Dependencies)
CmdArgs.push_back("-Eonly");
else
CmdArgs.push_back("-E");
} else if (isa<AssembleJobAction>(JA)) {
CmdArgs.push_back("-emit-obj");
// At -O0, we use -mrelax-all by default.
bool IsOpt = false;
if (Arg *A = Args.getLastArg(options::OPT_O_Group))
IsOpt = !A->getOption().matches(options::OPT_O0);
if (Args.hasFlag(options::OPT_mrelax_all,
options::OPT_mno_relax_all,
!IsOpt))
CmdArgs.push_back("-mrelax-all");
} else if (isa<PrecompileJobAction>(JA)) {
// Use PCH if the user requested it.
bool UsePCH = D.CCCUsePCH;
if (UsePCH)
CmdArgs.push_back("-emit-pch");
else
CmdArgs.push_back("-emit-pth");
} 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_RewrittenObjC) {
CmdArgs.push_back("-rewrite-objc");
IsRewriter = true;
} 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(darwin::CC1::getBaseInputName(Args, Inputs));
// Some flags which affect the language (via preprocessor
// defines). See darwin::CC1::AddCPPArgs.
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");
// Add default argument set.
if (!Args.hasArg(options::OPT__analyzer_no_default_checks)) {
CmdArgs.push_back("-analyzer-check-dead-stores");
// Do not enable the security-syntatic check since it
// it needs to be refined (known issues).
// CmdArgs.push_back("-analyzer-check-security-syntactic");
CmdArgs.push_back("-analyzer-check-objc-mem");
CmdArgs.push_back("-analyzer-eagerly-assume");
CmdArgs.push_back("-analyzer-check-objc-methodsigs");
// Do not enable the missing -dealloc check.
// '-analyzer-check-objc-missing-dealloc',
CmdArgs.push_back("-analyzer-check-objc-unused-ivars");
CmdArgs.push_back("-analyzer-check-idempotent-operations");
}
// 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(Args));
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);
// Perform argument translation for LLVM backend. This
// takes some care in reconciling with llvm-gcc. The
// issue is that llvm-gcc translates these options based on
// the values in cc1, whereas we are processing based on
// the driver arguments.
// This comes from the default translation the driver + cc1
// would do to enable flag_pic.
//
// FIXME: Centralize this code.
bool PICEnabled = (Args.hasArg(options::OPT_fPIC) ||
Args.hasArg(options::OPT_fpic) ||
Args.hasArg(options::OPT_fPIE) ||
Args.hasArg(options::OPT_fpie));
bool PICDisabled = (Args.hasArg(options::OPT_mkernel) ||
Args.hasArg(options::OPT_static));
const char *Model = getToolChain().GetForcedPicModel();
if (!Model) {
if (Args.hasArg(options::OPT_mdynamic_no_pic))
Model = "dynamic-no-pic";
else if (PICDisabled)
Model = "static";
else if (PICEnabled)
Model = "pic";
else
Model = getToolChain().GetDefaultRelocationModel();
}
if (llvm::StringRef(Model) != "pic") {
CmdArgs.push_back("-mrelocation-model");
CmdArgs.push_back(Model);
}
// Infer the __PIC__ value.
//
// FIXME: This isn't quite right on Darwin, which always sets
// __PIC__=2.
if (strcmp(Model, "pic") == 0 || strcmp(Model, "dynamic-no-pic") == 0) {
CmdArgs.push_back("-pic-level");
CmdArgs.push_back(Args.hasArg(options::OPT_fPIC) ? "2" : "1");
}
if (!Args.hasFlag(options::OPT_fmerge_all_constants,
options::OPT_fno_merge_all_constants))
CmdArgs.push_back("-no-merge-all-constants");
// LLVM Code Generator Options.
// FIXME: Set --enable-unsafe-fp-math.
if (Args.hasFlag(options::OPT_fno_omit_frame_pointer,
options::OPT_fomit_frame_pointer))
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");
// Decide whether to use verbose asm. Verbose assembly is the default on
// toolchains which have the integrated assembler on by default.
bool IsVerboseAsmDefault = getToolChain().IsIntegratedAssemblerDefault();
if (Args.hasFlag(options::OPT_fverbose_asm, options::OPT_fno_verbose_asm,
IsVerboseAsmDefault) ||
Args.hasArg(options::OPT_dA))
CmdArgs.push_back("-masm-verbose");
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().getOS() != llvm::Triple::Darwin)
CmdArgs.push_back("-mconstructor-aliases");
// 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() &&
!KernelOrKext);
if (Args.hasFlag(options::OPT_funwind_tables, options::OPT_fno_unwind_tables,
AsynchronousUnwindTables))
CmdArgs.push_back("-munwind-tables");
if (Arg *A = Args.getLastArg(options::OPT_flimited_precision_EQ)) {
CmdArgs.push_back("-mlimit-float-precision");
CmdArgs.push_back(A->getValue(Args));
}
// 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(Args));
}
// Add target specific cpu and features flags.
switch(getToolChain().getTriple().getArch()) {
default:
break;
case llvm::Triple::arm:
case llvm::Triple::thumb:
AddARMTargetArgs(Args, CmdArgs);
break;
case llvm::Triple::mips:
case llvm::Triple::mipsel:
AddMIPSTargetArgs(Args, CmdArgs);
break;
case llvm::Triple::x86:
case llvm::Triple::x86_64:
AddX86TargetArgs(Args, CmdArgs);
break;
}
// 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(Args));
}
// -mno-omit-leaf-frame-pointer is default.
if (Args.hasFlag(options::OPT_momit_leaf_frame_pointer,
options::OPT_mno_omit_leaf_frame_pointer, false))
CmdArgs.push_back("-momit-leaf-frame-pointer");
// -fno-math-errno is default.
if (Args.hasFlag(options::OPT_fmath_errno,
options::OPT_fno_math_errno,
false))
CmdArgs.push_back("-fmath-errno");
// Explicitly error on some things we know we don't support and can't just
// ignore.
types::ID InputType = Inputs[0].getType();
Arg *Unsupported;
if ((Unsupported = Args.getLastArg(options::OPT_MG)) ||
(Unsupported = Args.getLastArg(options::OPT_iframework)) ||
(Unsupported = Args.getLastArg(options::OPT_fshort_enums)))
D.Diag(clang::diag::err_drv_clang_unsupported)
<< Unsupported->getOption().getName();
if (types::isCXX(InputType) &&
getToolChain().getTriple().getOS() == llvm::Triple::Darwin &&
getToolChain().getTriple().getArch() == llvm::Triple::x86) {
if ((Unsupported = Args.getLastArg(options::OPT_fapple_kext)))
D.Diag(clang::diag::err_drv_clang_unsupported_opt_cxx_darwin_i386)
<< Unsupported->getOption().getName();
}
Args.AddAllArgs(CmdArgs, options::OPT_v);
Args.AddLastArg(CmdArgs, options::OPT_P);
Args.AddLastArg(CmdArgs, options::OPT_print_ivar_layout);
// Special case debug options to only pass -g to clang. This is
// wrong.
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");
Args.AddAllArgs(CmdArgs, options::OPT_ffunction_sections);
Args.AddAllArgs(CmdArgs, options::OPT_fdata_sections);
Args.AddAllArgs(CmdArgs, options::OPT_finstrument_functions);
Args.AddLastArg(CmdArgs, options::OPT_nostdinc);
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());
// Add preprocessing options like -I, -D, etc. if we are using the
// preprocessor.
//
// FIXME: Support -fpreprocessed
if (types::getPreprocessedType(InputType) != types::TY_INVALID)
AddPreprocessingOptions(D, Args, CmdArgs, Output, Inputs);
// Manually translate -O to -O2 and -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");
else if (A->getOption().matches(options::OPT_O) &&
A->getValue(Args)[0] == '\0')
CmdArgs.push_back("-O2");
else
A->render(Args, CmdArgs);
}
Args.AddAllArgs(CmdArgs, options::OPT_W_Group);
Args.AddLastArg(CmdArgs, options::OPT_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).
//
// 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);
Args.AddLastArg(CmdArgs, options::OPT_trigraphs);
}
// 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 (Arg *A = Args.getLastArg(options::OPT_ftemplate_depth_)) {
CmdArgs.push_back("-ftemplate-depth");
CmdArgs.push_back(A->getValue(Args));
}
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(Args));
}
if (Arg *A = Args.getLastArg(options::OPT_ftabstop_EQ)) {
CmdArgs.push_back("-ftabstop");
CmdArgs.push_back(A->getValue(Args));
}
CmdArgs.push_back("-ferror-limit");
if (Arg *A = Args.getLastArg(options::OPT_ferror_limit_EQ))
CmdArgs.push_back(A->getValue(Args));
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(Args));
}
if (Arg *A = Args.getLastArg(options::OPT_ftemplate_backtrace_limit_EQ)) {
CmdArgs.push_back("-ftemplate-backtrace-limit");
CmdArgs.push_back(A->getValue(Args));
}
// Pass -fmessage-length=.
CmdArgs.push_back("-fmessage-length");
if (Arg *A = Args.getLastArg(options::OPT_fmessage_length_EQ)) {
CmdArgs.push_back(A->getValue(Args));
} 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(llvm::Twine(N)));
}
if (const Arg *A = Args.getLastArg(options::OPT_fvisibility_EQ)) {
CmdArgs.push_back("-fvisibility");
CmdArgs.push_back(A->getValue(Args));
}
Args.AddLastArg(CmdArgs, options::OPT_fvisibility_inlines_hidden);
// -fhosted is default.
if (KernelOrKext || Args.hasFlag(options::OPT_ffreestanding,
options::OPT_fhosted,
false))
CmdArgs.push_back("-ffreestanding");
// Forward -f (flag) options which we can pass directly.
Args.AddLastArg(CmdArgs, options::OPT_fcatch_undefined_behavior);
Args.AddLastArg(CmdArgs, options::OPT_femit_all_decls);
Args.AddLastArg(CmdArgs, options::OPT_fheinous_gnu_extensions);
// -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");
// 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 (getToolChain().SupportsObjCGC()) {
GCArg->render(Args, CmdArgs);
} else {
// FIXME: We should move this to a hard error.
D.Diag(clang::diag::warn_drv_objc_gc_unsupported)
<< GCArg->getAsString(Args);
}
}
Args.AddLastArg(CmdArgs, options::OPT_fno_show_column);
Args.AddLastArg(CmdArgs, options::OPT_fobjc_sender_dependent_dispatch);
Args.AddLastArg(CmdArgs, options::OPT_fdiagnostics_print_source_range_info);
Args.AddLastArg(CmdArgs, options::OPT_ftime_report);
Args.AddLastArg(CmdArgs, options::OPT_ftrapv);
Args.AddLastArg(CmdArgs, options::OPT_fwrapv);
Args.AddLastArg(CmdArgs, options::OPT_fwritable_strings);
Args.AddLastArg(CmdArgs, options::OPT_funroll_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)) {
if (A->getOption().matches(options::OPT_fstack_protector))
StackProtectorLevel = 1;
else if (A->getOption().matches(options::OPT_fstack_protector_all))
StackProtectorLevel = 2;
} else
StackProtectorLevel = getToolChain().GetDefaultStackProtectorLevel();
if (StackProtectorLevel) {
CmdArgs.push_back("-stack-protector");
CmdArgs.push_back(Args.MakeArgString(llvm::Twine(StackProtectorLevel)));
}
// Forward -f options with positive and negative forms; we translate
// these by hand.
// -fbuiltin is default.
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())) {
CmdArgs.push_back("-fblocks");
}
// -faccess-control is default.
if (Args.hasFlag(options::OPT_fno_access_control,
options::OPT_faccess_control,
false))
CmdArgs.push_back("-fno-access-control");
// -fexceptions=0 is default.
if (needsExceptions(Args, InputType, getToolChain().getTriple()))
CmdArgs.push_back("-fexceptions");
if (getToolChain().UseSjLjExceptions())
CmdArgs.push_back("-fsjlj-exceptions");
// -frtti is default.
if (KernelOrKext ||
!Args.hasFlag(options::OPT_frtti, options::OPT_fno_rtti))
CmdArgs.push_back("-fno-rtti");
// -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 (KernelOrKext || !Args.hasFlag(options::OPT_fuse_cxa_atexit,
options::OPT_fno_use_cxa_atexit))
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");
// -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);
// -fnext-runtime defaults to on Darwin and when rewriting Objective-C, and is
// -the -cc1 default.
bool NeXTRuntimeIsDefault =
IsRewriter || getToolChain().getTriple().getOS() == llvm::Triple::Darwin;
if (!Args.hasFlag(options::OPT_fnext_runtime, options::OPT_fgnu_runtime,
NeXTRuntimeIsDefault))
CmdArgs.push_back("-fgnu-runtime");
// -fobjc-nonfragile-abi=0 is default.
if (types::isObjC(InputType)) {
unsigned Version = 1;
if (Args.hasArg(options::OPT_fobjc_nonfragile_abi) ||
getToolChain().IsObjCNonFragileABIDefault())
Version = 2;
if (Arg *A = Args.getLastArg(options::OPT_fobjc_abi_version_EQ)) {
if (llvm::StringRef(A->getValue(Args)) == "1")
Version = 1;
else if (llvm::StringRef(A->getValue(Args)) == "2")
Version = 2;
else
D.Diag(clang::diag::err_drv_clang_unsupported) << A->getAsString(Args);
}
if (Version == 2) {
CmdArgs.push_back("-fobjc-nonfragile-abi");
// -fobjc-dispatch-method is only relevant with the nonfragile-abi, and
// legacy is the default.
if (!Args.hasFlag(options::OPT_fobjc_legacy_dispatch,
options::OPT_fno_objc_legacy_dispatch,
getToolChain().IsObjCLegacyDispatchDefault())) {
if (getToolChain().UseObjCMixedDispatch())
CmdArgs.push_back("-fobjc-dispatch-method=mixed");
else
CmdArgs.push_back("-fobjc-dispatch-method=non-legacy");
}
}
// FIXME: -fobjc-nonfragile-abi2 is a transient option meant to expose
// features in testing. It will eventually be removed.
if (Args.hasArg(options::OPT_fobjc_nonfragile_abi2))
CmdArgs.push_back("-fobjc-nonfragile-abi2");
}
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))
A->render(Args, CmdArgs);
// -fno-pascal-strings is default, only pass non-default. If the tool chain
// happened to translate to -mpascal-strings, we want to back translate here.
//
// FIXME: This is gross; that translation should be pulled from the
// tool chain.
if (Args.hasFlag(options::OPT_fpascal_strings,
options::OPT_fno_pascal_strings,
false) ||
Args.hasFlag(options::OPT_mpascal_strings,
options::OPT_mno_pascal_strings,
false))
CmdArgs.push_back("-fpascal-strings");
// -fcommon is default, only pass non-default.
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(clang::diag::warn_drv_clang_unsupported)
<< Args.getLastArg(options::OPT_funsigned_bitfields)->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");
Args.AddLastArg(CmdArgs, options::OPT_fdiagnostics_binary);
// 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(Args));
}
// Color diagnostics are the default, unless the terminal doesn't support
// them.
if (Args.hasFlag(options::OPT_fcolor_diagnostics,
options::OPT_fno_color_diagnostics) &&
llvm::sys::Process::StandardErrHasColors())
CmdArgs.push_back("-fcolor-diagnostics");
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_fspell_checking,
options::OPT_fno_spell_checking))
CmdArgs.push_back("-fno-spell-checking");
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(clang::diag::warn_drv_clang_unsupported) << A->getAsString(Args);
}
// 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().getOS() == llvm::Triple::Darwin &&
(getToolChain().getTriple().getArch() == llvm::Triple::arm ||
getToolChain().getTriple().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
if (Arg *A = Args.getLastArg(options::OPT_traditional,
options::OPT_traditional_cpp))
D.Diag(clang::diag::err_drv_clang_unsupported) << A->getAsString(Args);
Args.AddLastArg(CmdArgs, options::OPT_dM);
Args.AddLastArg(CmdArgs, options::OPT_dD);
// 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 (llvm::StringRef((*it)->getValue(Args, 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;
CmdArgs.push_back("-x");
CmdArgs.push_back(types::getTypeName(II.getType()));
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);
llvm::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()));
}
C.addCommand(new Command(JA, *this, Exec, CmdArgs));
// Explicitly warn that these options are unsupported, even though
// we are allowing compilation to continue.
for (arg_iterator it = Args.filtered_begin(options::OPT_pg),
ie = Args.filtered_end(); it != ie; ++it) {
(*it)->claim();
D.Diag(clang::diag::warn_drv_clang_unsupported) << (*it)->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);
}
void ClangAs::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;
assert(Inputs.size() == 1 && "Unexpected number of inputs.");
const InputInfo &Input = Inputs[0];
// 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 = getEffectiveClangTriple(D, getToolChain(), Args);
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");
// At -O0, we use -mrelax-all by default.
bool IsOpt = false;
if (Arg *A = Args.getLastArg(options::OPT_O_Group))
IsOpt = !A->getOption().matches(options::OPT_O0);
if (Args.hasFlag(options::OPT_mrelax_all,
options::OPT_mno_relax_all,
!IsOpt))
CmdArgs.push_back("-relax-all");
// FIXME: Add -force_cpusubtype_ALL support, once we have it.
// FIXME: Add -g support, once we have it.
// FIXME: Add -static support, once we have it.
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());
const char *Exec = getToolChain().getDriver().getClangProgramPath();
C.addCommand(new Command(JA, *this, Exec, CmdArgs));
}
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 (A->getOption().hasForwardToGCC()) {
// Don't forward any -g arguments to assembly steps.
if (isa<AssembleJobAction>(JA) &&
A->getOption().matches(options::OPT_g_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.
const std::string &Arch = getToolChain().getArchName();
if (getToolChain().getTriple().getOS() == llvm::Triple::Darwin) {
CmdArgs.push_back("-arch");
// FIXME: Remove these special cases.
if (Arch == "powerpc")
CmdArgs.push_back("ppc");
else if (Arch == "powerpc64")
CmdArgs.push_back("ppc64");
else
CmdArgs.push_back(Args.MakeArgString(Arch));
}
// 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 == "i386" || Arch == "powerpc")
CmdArgs.push_back("-m32");
else if (Arch == "x86_64" || Arch == "powerpc64")
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");
}
// 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();
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
// Don't render as input, we need gcc to do the translations.
II.getInputArg().render(Args, CmdArgs);
}
const char *GCCName = getToolChain().getDriver().CCCGenericGCCName.c_str();
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::Precompile::RenderExtraToolArgs(const JobAction &JA,
ArgStringList &CmdArgs) const {
// The type is good enough.
}
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(clang::diag::err_drv_invalid_gcc_output_type)
<< getTypeName(JA.getType());
CmdArgs.push_back("-S");
}
}
void gcc::Assemble::RenderExtraToolArgs(const JobAction &JA,
ArgStringList &CmdArgs) const {
CmdArgs.push_back("-c");
}
void gcc::Link::RenderExtraToolArgs(const JobAction &JA,
ArgStringList &CmdArgs) const {
// The types are (hopefully) good enough.
}
const char *darwin::CC1::getCC1Name(types::ID Type) const {
switch (Type) {
default:
assert(0 && "Unexpected type for Darwin CC1 tool.");
case types::TY_Asm:
case types::TY_C: case types::TY_CHeader:
case types::TY_PP_C: case types::TY_PP_CHeader:
return "cc1";
case types::TY_ObjC: case types::TY_ObjCHeader:
case types::TY_PP_ObjC: case types::TY_PP_ObjCHeader:
return "cc1obj";
case types::TY_CXX: case types::TY_CXXHeader:
case types::TY_PP_CXX: case types::TY_PP_CXXHeader:
return "cc1plus";
case types::TY_ObjCXX: case types::TY_ObjCXXHeader:
case types::TY_PP_ObjCXX: case types::TY_PP_ObjCXXHeader:
return "cc1objplus";
}
}
const char *darwin::CC1::getBaseInputName(const ArgList &Args,
const InputInfoList &Inputs) {
llvm::sys::Path P(Inputs[0].getBaseInput());
return Args.MakeArgString(P.getLast());
}
const char *darwin::CC1::getBaseInputStem(const ArgList &Args,
const InputInfoList &Inputs) {
const char *Str = getBaseInputName(Args, Inputs);
if (const char *End = strchr(Str, '.'))
return Args.MakeArgString(std::string(Str, End));
return Str;
}
const char *
darwin::CC1::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(Args));
Res = Str.substr(0, Str.rfind('.'));
} else
Res = darwin::CC1::getBaseInputStem(Args, Inputs);
return Args.MakeArgString(Res + ".d");
}
void darwin::CC1::AddCC1Args(const ArgList &Args,
ArgStringList &CmdArgs) const {
const Driver &D = getToolChain().getDriver();
CheckCodeGenerationOptions(D, Args);
// Derived from cc1 spec.
if (!Args.hasArg(options::OPT_mkernel) && !Args.hasArg(options::OPT_static) &&
!Args.hasArg(options::OPT_mdynamic_no_pic))
CmdArgs.push_back("-fPIC");
if (getToolChain().getTriple().getArch() == llvm::Triple::arm ||
getToolChain().getTriple().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");
}
// gcc has some code here to deal with when no -mmacosx-version-min
// and no -miphoneos-version-min is present, but this never happens
// due to tool chain specific argument translation.
if (Args.hasArg(options::OPT_g_Flag) &&
!Args.hasArg(options::OPT_fno_eliminate_unused_debug_symbols))
CmdArgs.push_back("-feliminate-unused-debug-symbols");
}
void darwin::CC1::AddCC1OptionsArgs(const ArgList &Args, ArgStringList &CmdArgs,
const InputInfoList &Inputs,
const ArgStringList &OutputArgs) const {
const Driver &D = getToolChain().getDriver();
// Derived from cc1_options spec.
if (Args.hasArg(options::OPT_fast) ||
Args.hasArg(options::OPT_fastf) ||
Args.hasArg(options::OPT_fastcp))
CmdArgs.push_back("-O3");
if (Arg *A = Args.getLastArg(options::OPT_pg))
if (Args.hasArg(options::OPT_fomit_frame_pointer))
D.Diag(clang::diag::err_drv_argument_not_allowed_with)
<< A->getAsString(Args) << "-fomit-frame-pointer";
AddCC1Args(Args, CmdArgs);
if (!Args.hasArg(options::OPT_Q))
CmdArgs.push_back("-quiet");
CmdArgs.push_back("-dumpbase");
CmdArgs.push_back(darwin::CC1::getBaseInputName(Args, Inputs));
Args.AddAllArgs(CmdArgs, options::OPT_d_Group);
Args.AddAllArgs(CmdArgs, options::OPT_m_Group);
Args.AddAllArgs(CmdArgs, options::OPT_a_Group);
// FIXME: The goal is to use the user provided -o if that is our
// final output, otherwise to drive from the original input
// name. Find a clean way to go about this.
if ((Args.hasArg(options::OPT_c) || Args.hasArg(options::OPT_S)) &&
Args.hasArg(options::OPT_o)) {
Arg *OutputOpt = Args.getLastArg(options::OPT_o);
CmdArgs.push_back("-auxbase-strip");
CmdArgs.push_back(OutputOpt->getValue(Args));
} else {
CmdArgs.push_back("-auxbase");
CmdArgs.push_back(darwin::CC1::getBaseInputStem(Args, Inputs));
}
Args.AddAllArgs(CmdArgs, options::OPT_g_Group);
Args.AddAllArgs(CmdArgs, options::OPT_O);
// FIXME: -Wall is getting some special treatment. Investigate.
Args.AddAllArgs(CmdArgs, options::OPT_W_Group, options::OPT_pedantic_Group);
Args.AddLastArg(CmdArgs, options::OPT_w);
Args.AddAllArgs(CmdArgs, options::OPT_std_EQ, options::OPT_ansi,
options::OPT_trigraphs);
if (!Args.getLastArg(options::OPT_std_EQ, options::OPT_ansi)) {
// Honor -std-default.
Args.AddAllArgsTranslated(CmdArgs, options::OPT_std_default_EQ,
"-std=", /*Joined=*/true);
}
if (Args.hasArg(options::OPT_v))
CmdArgs.push_back("-version");
if (Args.hasArg(options::OPT_pg))
CmdArgs.push_back("-p");
Args.AddLastArg(CmdArgs, options::OPT_p);
// The driver treats -fsyntax-only specially.
if (getToolChain().getTriple().getArch() == llvm::Triple::arm ||
getToolChain().getTriple().getArch() == llvm::Triple::thumb) {
// Removes -fbuiltin-str{cat,cpy}; these aren't recognized by cc1 but are
// used to inhibit the default -fno-builtin-str{cat,cpy}.
//
// FIXME: Should we grow a better way to deal with "removing" args?
for (arg_iterator it = Args.filtered_begin(options::OPT_f_Group,
options::OPT_fsyntax_only),
ie = Args.filtered_end(); it != ie; ++it) {
if (!(*it)->getOption().matches(options::OPT_fbuiltin_strcat) &&
!(*it)->getOption().matches(options::OPT_fbuiltin_strcpy)) {
(*it)->claim();
(*it)->render(Args, CmdArgs);
}
}
} else
Args.AddAllArgs(CmdArgs, options::OPT_f_Group, options::OPT_fsyntax_only);
Args.AddAllArgs(CmdArgs, options::OPT_undef);
if (Args.hasArg(options::OPT_Qn))
CmdArgs.push_back("-fno-ident");
// FIXME: This isn't correct.
//Args.AddLastArg(CmdArgs, options::OPT__help)
//Args.AddLastArg(CmdArgs, options::OPT__targetHelp)
CmdArgs.append(OutputArgs.begin(), OutputArgs.end());
// FIXME: Still don't get what is happening here. Investigate.
Args.AddAllArgs(CmdArgs, options::OPT__param);
if (Args.hasArg(options::OPT_fmudflap) ||
Args.hasArg(options::OPT_fmudflapth)) {
CmdArgs.push_back("-fno-builtin");
CmdArgs.push_back("-fno-merge-constants");
}
if (Args.hasArg(options::OPT_coverage)) {
CmdArgs.push_back("-fprofile-arcs");
CmdArgs.push_back("-ftest-coverage");
}
if (types::isCXX(Inputs[0].getType()))
CmdArgs.push_back("-D__private_extern__=extern");
}
void darwin::CC1::AddCPPOptionsArgs(const ArgList &Args, ArgStringList &CmdArgs,
const InputInfoList &Inputs,
const ArgStringList &OutputArgs) const {
// Derived from cpp_options
AddCPPUniqueOptionsArgs(Args, CmdArgs, Inputs);
CmdArgs.append(OutputArgs.begin(), OutputArgs.end());
AddCC1Args(Args, CmdArgs);
// NOTE: The code below has some commonality with cpp_options, but
// in classic gcc style ends up sending things in different
// orders. This may be a good merge candidate once we drop pedantic
// compatibility.
Args.AddAllArgs(CmdArgs, options::OPT_m_Group);
Args.AddAllArgs(CmdArgs, options::OPT_std_EQ, options::OPT_ansi,
options::OPT_trigraphs);
if (!Args.getLastArg(options::OPT_std_EQ, options::OPT_ansi)) {
// Honor -std-default.
Args.AddAllArgsTranslated(CmdArgs, options::OPT_std_default_EQ,
"-std=", /*Joined=*/true);
}
Args.AddAllArgs(CmdArgs, options::OPT_W_Group, options::OPT_pedantic_Group);
Args.AddLastArg(CmdArgs, options::OPT_w);
// The driver treats -fsyntax-only specially.
Args.AddAllArgs(CmdArgs, options::OPT_f_Group, options::OPT_fsyntax_only);
if (Args.hasArg(options::OPT_g_Group) && !Args.hasArg(options::OPT_g0) &&
!Args.hasArg(options::OPT_fno_working_directory))
CmdArgs.push_back("-fworking-directory");
Args.AddAllArgs(CmdArgs, options::OPT_O);
Args.AddAllArgs(CmdArgs, options::OPT_undef);
if (Args.hasArg(options::OPT_save_temps))
CmdArgs.push_back("-fpch-preprocess");
}
void darwin::CC1::AddCPPUniqueOptionsArgs(const ArgList &Args,
ArgStringList &CmdArgs,
const InputInfoList &Inputs) const {
const Driver &D = getToolChain().getDriver();
CheckPreprocessingOptions(D, Args);
// Derived from cpp_unique_options.
// -{C,CC} only with -E is checked in CheckPreprocessingOptions().
Args.AddLastArg(CmdArgs, options::OPT_C);
Args.AddLastArg(CmdArgs, options::OPT_CC);
if (!Args.hasArg(options::OPT_Q))
CmdArgs.push_back("-quiet");
Args.AddAllArgs(CmdArgs, options::OPT_nostdinc);
Args.AddAllArgs(CmdArgs, options::OPT_nostdincxx);
Args.AddLastArg(CmdArgs, options::OPT_v);
Args.AddAllArgs(CmdArgs, options::OPT_I_Group, options::OPT_F);
Args.AddLastArg(CmdArgs, options::OPT_P);
// FIXME: Handle %I properly.
if (getToolChain().getArchName() == "x86_64") {
CmdArgs.push_back("-imultilib");
CmdArgs.push_back("x86_64");
}
if (Args.hasArg(options::OPT_MD)) {
CmdArgs.push_back("-MD");
CmdArgs.push_back(darwin::CC1::getDependencyFileName(Args, Inputs));
}
if (Args.hasArg(options::OPT_MMD)) {
CmdArgs.push_back("-MMD");
CmdArgs.push_back(darwin::CC1::getDependencyFileName(Args, Inputs));
}
Args.AddLastArg(CmdArgs, options::OPT_M);
Args.AddLastArg(CmdArgs, options::OPT_MM);
Args.AddAllArgs(CmdArgs, options::OPT_MF);
Args.AddLastArg(CmdArgs, options::OPT_MG);
Args.AddLastArg(CmdArgs, options::OPT_MP);
Args.AddAllArgs(CmdArgs, options::OPT_MQ);
Args.AddAllArgs(CmdArgs, options::OPT_MT);
if (!Args.hasArg(options::OPT_M) && !Args.hasArg(options::OPT_MM) &&
(Args.hasArg(options::OPT_MD) || Args.hasArg(options::OPT_MMD))) {
if (Arg *OutputOpt = Args.getLastArg(options::OPT_o)) {
CmdArgs.push_back("-MQ");
CmdArgs.push_back(OutputOpt->getValue(Args));
}
}
Args.AddLastArg(CmdArgs, options::OPT_remap);
if (Args.hasArg(options::OPT_g3))
CmdArgs.push_back("-dD");
Args.AddLastArg(CmdArgs, options::OPT_H);
AddCPPArgs(Args, CmdArgs);
Args.AddAllArgs(CmdArgs, options::OPT_D, options::OPT_U, options::OPT_A);
Args.AddAllArgs(CmdArgs, options::OPT_i_Group);
for (InputInfoList::const_iterator
it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
const InputInfo &II = *it;
CmdArgs.push_back(II.getFilename());
}
Args.AddAllArgValues(CmdArgs, options::OPT_Wp_COMMA,
options::OPT_Xpreprocessor);
if (Args.hasArg(options::OPT_fmudflap)) {
CmdArgs.push_back("-D_MUDFLAP");
CmdArgs.push_back("-include");
CmdArgs.push_back("mf-runtime.h");
}
if (Args.hasArg(options::OPT_fmudflapth)) {
CmdArgs.push_back("-D_MUDFLAP");
CmdArgs.push_back("-D_MUDFLAPTH");
CmdArgs.push_back("-include");
CmdArgs.push_back("mf-runtime.h");
}
}
void darwin::CC1::AddCPPArgs(const ArgList &Args,
ArgStringList &CmdArgs) const {
// Derived from cpp spec.
if (Args.hasArg(options::OPT_static)) {
// The gcc spec is broken here, it refers to dynamic but
// that has been translated. Start by being bug compatible.
// if (!Args.hasArg(arglist.parser.dynamicOption))
CmdArgs.push_back("-D__STATIC__");
} else
CmdArgs.push_back("-D__DYNAMIC__");
if (Args.hasArg(options::OPT_pthread))
CmdArgs.push_back("-D_REENTRANT");
}
void darwin::Preprocess::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!");
CmdArgs.push_back("-E");
if (Args.hasArg(options::OPT_traditional) ||
Args.hasArg(options::OPT_traditional_cpp))
CmdArgs.push_back("-traditional-cpp");
ArgStringList OutputArgs;
assert(Output.isFilename() && "Unexpected CC1 output.");
OutputArgs.push_back("-o");
OutputArgs.push_back(Output.getFilename());
if (Args.hasArg(options::OPT_E)) {
AddCPPOptionsArgs(Args, CmdArgs, Inputs, OutputArgs);
} else {
AddCPPOptionsArgs(Args, CmdArgs, Inputs, ArgStringList());
CmdArgs.append(OutputArgs.begin(), OutputArgs.end());
}
Args.AddAllArgs(CmdArgs, options::OPT_d_Group);
const char *CC1Name = getCC1Name(Inputs[0].getType());
const char *Exec =
Args.MakeArgString(getToolChain().GetProgramPath(CC1Name));
C.addCommand(new Command(JA, *this, Exec, CmdArgs));
}
void darwin::Compile::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;
assert(Inputs.size() == 1 && "Unexpected number of inputs!");
types::ID InputType = Inputs[0].getType();
const Arg *A;
if ((A = Args.getLastArg(options::OPT_traditional)))
D.Diag(clang::diag::err_drv_argument_only_allowed_with)
<< A->getAsString(Args) << "-E";
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 (Output.getType() == types::TY_AST)
D.Diag(clang::diag::err_drv_no_ast_support)
<< getToolChain().getTripleString();
else if (JA.getType() != types::TY_PP_Asm &&
JA.getType() != types::TY_PCH)
D.Diag(clang::diag::err_drv_invalid_gcc_output_type)
<< getTypeName(JA.getType());
ArgStringList OutputArgs;
if (Output.getType() != types::TY_PCH) {
OutputArgs.push_back("-o");
if (Output.isNothing())
OutputArgs.push_back("/dev/null");
else
OutputArgs.push_back(Output.getFilename());
}
// There is no need for this level of compatibility, but it makes
// diffing easier.
bool OutputArgsEarly = (Args.hasArg(options::OPT_fsyntax_only) ||
Args.hasArg(options::OPT_S));
if (types::getPreprocessedType(InputType) != types::TY_INVALID) {
AddCPPUniqueOptionsArgs(Args, CmdArgs, Inputs);
if (OutputArgsEarly) {
AddCC1OptionsArgs(Args, CmdArgs, Inputs, OutputArgs);
} else {
AddCC1OptionsArgs(Args, CmdArgs, Inputs, ArgStringList());
CmdArgs.append(OutputArgs.begin(), OutputArgs.end());
}
} else {
CmdArgs.push_back("-fpreprocessed");
for (InputInfoList::const_iterator
it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
const InputInfo &II = *it;
// Reject AST inputs.
if (II.getType() == types::TY_AST) {
D.Diag(clang::diag::err_drv_no_ast_support)
<< getToolChain().getTripleString();
return;
}
CmdArgs.push_back(II.getFilename());
}
if (OutputArgsEarly) {
AddCC1OptionsArgs(Args, CmdArgs, Inputs, OutputArgs);
} else {
AddCC1OptionsArgs(Args, CmdArgs, Inputs, ArgStringList());
CmdArgs.append(OutputArgs.begin(), OutputArgs.end());
}
}
if (Output.getType() == types::TY_PCH) {
assert(Output.isFilename() && "Invalid PCH output.");
CmdArgs.push_back("-o");
// NOTE: gcc uses a temp .s file for this, but there doesn't seem
// to be a good reason.
CmdArgs.push_back("/dev/null");
CmdArgs.push_back("--output-pch=");
CmdArgs.push_back(Output.getFilename());
}
const char *CC1Name = getCC1Name(Inputs[0].getType());
const char *Exec =
Args.MakeArgString(getToolChain().GetProgramPath(CC1Name));
C.addCommand(new Command(JA, *this, Exec, CmdArgs));
}
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];
// Bit of a hack, this is only used for original inputs.
//
// FIXME: This is broken for preprocessed .s inputs.
if (Input.isFilename() &&
strcmp(Input.getFilename(), Input.getBaseInput()) == 0) {
if (Args.hasArg(options::OPT_gstabs))
CmdArgs.push_back("--gstabs");
else if (Args.hasArg(options::OPT_g_Group))
CmdArgs.push_back("--gdwarf2");
}
// Derived from asm spec.
AddDarwinArch(Args, CmdArgs);
// Use -force_cpusubtype_ALL on x86 by default.
if (getToolChain().getTriple().getArch() == llvm::Triple::x86 ||
getToolChain().getTriple().getArch() == llvm::Triple::x86_64 ||
Args.hasArg(options::OPT_force__cpusubtype__ALL))
CmdArgs.push_back("-force_cpusubtype_ALL");
if (getToolChain().getTriple().getArch() != llvm::Triple::x86_64 &&
(Args.hasArg(options::OPT_mkernel) ||
Args.hasArg(options::OPT_static) ||
Args.hasArg(options::OPT_fapple_kext)))
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::DarwinTool::AddDarwinArch(const ArgList &Args,
ArgStringList &CmdArgs) const {
llvm::StringRef ArchName = getDarwinToolChain().getDarwinArchName(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");
}
void darwin::Link::AddLinkArgs(const ArgList &Args,
ArgStringList &CmdArgs) const {
const Driver &D = getToolChain().getDriver();
unsigned Version[3] = { 0, 0, 0 };
if (Arg *A = Args.getLastArg(options::OPT_mlinker_version_EQ)) {
bool HadExtra;
if (!Driver::GetReleaseVersion(A->getValue(Args), Version[0],
Version[1], Version[2], HadExtra) ||
HadExtra)
D.Diag(clang::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");
}
// 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)) {
AddDarwinArch(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(clang::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(clang::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");
AddDarwinArch(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 (getDarwinToolChain().isTargetIPhoneOS())
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_headerpad__max__install__names);
Args.AddAllArgs(CmdArgs, options::OPT_image__base);
Args.AddAllArgs(CmdArgs, options::OPT_init);
// Adding all arguments doesn't make sense here but this is what gcc does. One
// of this should always be present thanks to argument translation.
assert((Args.hasArg(options::OPT_mmacosx_version_min_EQ) ||
Args.hasArg(options::OPT_miphoneos_version_min_EQ)) &&
"Missing version argument (lost in translation)?");
Args.AddAllArgsTranslated(CmdArgs, options::OPT_mmacosx_version_min_EQ,
"-macosx_version_min");
Args.AddAllArgsTranslated(CmdArgs, options::OPT_miphoneos_version_min_EQ,
"-iphoneos_version_min");
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);
Args.AddAllArgsTranslated(CmdArgs, options::OPT_isysroot, "-syslibroot");
if (getDarwinToolChain().isTargetIPhoneOS()) {
if (!Args.hasArg(options::OPT_isysroot)) {
CmdArgs.push_back("-syslibroot");
CmdArgs.push_back("/Developer/SDKs/Extra");
}
}
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);
}
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;
// I'm not sure why this particular decomposition exists in gcc, but
// we follow suite for ease of comparison.
AddLinkArgs(Args, CmdArgs);
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.AddAllArgs(CmdArgs, options::OPT_A);
Args.AddLastArg(CmdArgs, options::OPT_e);
Args.AddAllArgs(CmdArgs, options::OPT_m_Separate);
Args.AddAllArgs(CmdArgs, options::OPT_r);
CmdArgs.push_back("-o");
CmdArgs.push_back(Output.getFilename());
if (!Args.hasArg(options::OPT_A) &&
!Args.hasArg(options::OPT_nostdlib) &&
!Args.hasArg(options::OPT_nostartfiles)) {
// Derived from startfile spec.
if (Args.hasArg(options::OPT_dynamiclib)) {
// Derived from darwin_dylib1 spec.
if (getDarwinToolChain().isTargetIPhoneOS()) {
if (getDarwinToolChain().isIPhoneOSVersionLT(3, 1))
CmdArgs.push_back("-ldylib1.o");
} else {
if (getDarwinToolChain().isMacosxVersionLT(10, 5))
CmdArgs.push_back("-ldylib1.o");
else if (getDarwinToolChain().isMacosxVersionLT(10, 6))
CmdArgs.push_back("-ldylib1.10.5.o");
}
} else {
if (Args.hasArg(options::OPT_bundle)) {
if (!Args.hasArg(options::OPT_static)) {
// Derived from darwin_bundle1 spec.
if (getDarwinToolChain().isTargetIPhoneOS()) {
if (getDarwinToolChain().isIPhoneOSVersionLT(3, 1))
CmdArgs.push_back("-lbundle1.o");
} else {
if (getDarwinToolChain().isMacosxVersionLT(10, 6))
CmdArgs.push_back("-lbundle1.o");
}
}
} else {
if (Args.hasArg(options::OPT_pg)) {
if (Args.hasArg(options::OPT_static) ||
Args.hasArg(options::OPT_object) ||
Args.hasArg(options::OPT_preload)) {
CmdArgs.push_back("-lgcrt0.o");
} else {
CmdArgs.push_back("-lgcrt1.o");
// darwin_crt2 spec is empty.
}
} else {
if (Args.hasArg(options::OPT_static) ||
Args.hasArg(options::OPT_object) ||
Args.hasArg(options::OPT_preload)) {
CmdArgs.push_back("-lcrt0.o");
} else {
// Derived from darwin_crt1 spec.
if (getDarwinToolChain().isTargetIPhoneOS()) {
if (getDarwinToolChain().isIPhoneOSVersionLT(3, 1))
CmdArgs.push_back("-lcrt1.o");
else
CmdArgs.push_back("-lcrt1.3.1.o");
} else {
if (getDarwinToolChain().isMacosxVersionLT(10, 5))
CmdArgs.push_back("-lcrt1.o");
else if (getDarwinToolChain().isMacosxVersionLT(10, 6))
CmdArgs.push_back("-lcrt1.10.5.o");
else
CmdArgs.push_back("-lcrt1.10.6.o");
// darwin_crt2 spec is empty.
}
}
}
}
}
if (!getDarwinToolChain().isTargetIPhoneOS() &&
Args.hasArg(options::OPT_shared_libgcc) &&
getDarwinToolChain().isMacosxVersionLT(10, 5)) {
const char *Str =
Args.MakeArgString(getToolChain().GetFilePath("crt3.o"));
CmdArgs.push_back(Str);
}
}
Args.AddAllArgs(CmdArgs, options::OPT_L);
if (Args.hasArg(options::OPT_fopenmp))
// This is more complicated in gcc...
CmdArgs.push_back("-lgomp");
getDarwinToolChain().AddLinkSearchPathArgs(Args, CmdArgs);
for (InputInfoList::const_iterator
it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
const InputInfo &II = *it;
if (II.isFilename())
CmdArgs.push_back(II.getFilename());
else
II.getInputArg().renderAsInput(Args, CmdArgs);
}
if (LinkingOutput) {
CmdArgs.push_back("-arch_multiple");
CmdArgs.push_back("-final_output");
CmdArgs.push_back(LinkingOutput);
}
if (Args.hasArg(options::OPT_fprofile_arcs) ||
Args.hasArg(options::OPT_fprofile_generate) ||
Args.hasArg(options::OPT_fcreate_profile) ||
Args.hasArg(options::OPT_coverage))
CmdArgs.push_back("-lgcov");
if (Args.hasArg(options::OPT_fnested_functions))
CmdArgs.push_back("-allow_stack_execute");
if (!Args.hasArg(options::OPT_nostdlib) &&
!Args.hasArg(options::OPT_nodefaultlibs)) {
// FIXME: g++ is more complicated here, it tries to put -lstdc++
// before -lm, for example.
if (getToolChain().getDriver().CCCIsCXX)
CmdArgs.push_back("-lstdc++");
// link_ssp spec is empty.
// Let the tool chain choose which runtime library to link.
getDarwinToolChain().AddLinkRuntimeLibArgs(Args, CmdArgs);
}
if (!Args.hasArg(options::OPT_A) &&
!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;
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());
CmdArgs.push_back("-o");
CmdArgs.push_back(Output.getFilename());
const char *Exec =
Args.MakeArgString(getToolChain().GetProgramPath("dsymutil"));
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 {
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");
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);
for (InputInfoList::const_iterator
it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
const InputInfo &II = *it;
// Don't try to pass LLVM 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();
if (II.isFilename())
CmdArgs.push_back(II.getFilename());
else
II.getInputArg().renderAsInput(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")));
}
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;
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;
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 {
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)) {
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);
for (InputInfoList::const_iterator
it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
const InputInfo &II = *it;
// Don't try to pass LLVM 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();
if (II.isFilename())
CmdArgs.push_back(II.getFilename());
else
II.getInputArg().renderAsInput(Args, CmdArgs);
}
if (!Args.hasArg(options::OPT_nostdlib) &&
!Args.hasArg(options::OPT_nodefaultlibs)) {
if (D.CCCIsCXX) {
CmdArgs.push_back("-lstdc++");
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))
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")));
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().getArchName() == "i386")
CmdArgs.push_back("--32");
// Set byte order explicitly
if (getToolChain().getArchName() == "mips")
CmdArgs.push_back("-EB");
else if (getToolChain().getArchName() == "mipsel")
CmdArgs.push_back("-EL");
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 Driver &D = getToolChain().getDriver();
ArgStringList CmdArgs;
if (Args.hasArg(options::OPT_static)) {
CmdArgs.push_back("-Bstatic");
} else {
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");
}
}
// When building 32-bit code on FreeBSD/amd64, we have to explicitly
// instruct ld in the base system to link 32-bit code.
if (getToolChain().getArchName() == "i386") {
CmdArgs.push_back("-m");
CmdArgs.push_back("elf_i386_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)) {
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("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);
for (InputInfoList::const_iterator
it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
const InputInfo &II = *it;
// Don't try to pass LLVM 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();
if (II.isFilename())
CmdArgs.push_back(II.getFilename());
else
II.getInputArg().renderAsInput(Args, CmdArgs);
}
if (!Args.hasArg(options::OPT_nostdlib) &&
!Args.hasArg(options::OPT_nodefaultlibs)) {
if (D.CCCIsCXX) {
CmdArgs.push_back("-lstdc++");
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.
CmdArgs.push_back("-lgcc");
if (Args.hasArg(options::OPT_static)) {
CmdArgs.push_back("-lgcc_eh");
} else {
CmdArgs.push_back("--as-needed");
CmdArgs.push_back("-lgcc_s");
CmdArgs.push_back("--no-as-needed");
}
if (Args.hasArg(options::OPT_pthread))
CmdArgs.push_back("-lpthread");
CmdArgs.push_back("-lc");
CmdArgs.push_back("-lgcc");
if (Args.hasArg(options::OPT_static)) {
CmdArgs.push_back("-lgcc_eh");
} 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))
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")));
}
const char *Exec =
Args.MakeArgString(getToolChain().GetProgramPath("ld"));
C.addCommand(new Command(JA, *this, Exec, CmdArgs));
}
void linuxtools::Assemble::ConstructJob(Compilation &C, const JobAction &JA,
const InputInfo &Output,
const InputInfoList &Inputs,
const ArgList &Args,
const char *LinkingOutput) const {
ArgStringList CmdArgs;
// 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::arm) {
llvm::StringRef MArch = getToolChain().getArchName();
if (MArch == "armv7" || MArch == "armv7a" || MArch == "armv7-a")
CmdArgs.push_back("-mfpu=neon");
}
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::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 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(
"/usr/gnu/lib/crtso.o")));
Args.AddAllArgs(CmdArgs, options::OPT_L);
Args.AddAllArgs(CmdArgs, options::OPT_T_Group);
Args.AddAllArgs(CmdArgs, options::OPT_e);
for (InputInfoList::const_iterator
it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
const InputInfo &II = *it;
// Don't try to pass LLVM 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();
if (II.isFilename())
CmdArgs.push_back(II.getFilename());
else
II.getInputArg().renderAsInput(Args, CmdArgs);
}
if (!Args.hasArg(options::OPT_nostdlib) &&
!Args.hasArg(options::OPT_nodefaultlibs)) {
if (D.CCCIsCXX) {
CmdArgs.push_back("-lstdc++");
CmdArgs.push_back("-lm");
}
if (Args.hasArg(options::OPT_pthread))
CmdArgs.push_back("-lpthread");
CmdArgs.push_back("-lc");
CmdArgs.push_back("-lgcc");
CmdArgs.push_back("-L/usr/gnu/lib");
// FIXME: fill in the correct search path for the final
// support libraries.
CmdArgs.push_back("-L/usr/gnu/lib/gcc/i686-pc-minix/4.4.3");
}
if (!Args.hasArg(options::OPT_nostdlib) &&
!Args.hasArg(options::OPT_nostartfiles)) {
CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(
"/usr/gnu/lib/libend.a")));
}
const char *Exec =
Args.MakeArgString(getToolChain().GetProgramPath("/usr/gnu/bin/gld"));
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().getArchName() == "i386")
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 {
const Driver &D = getToolChain().getDriver();
ArgStringList CmdArgs;
if (Args.hasArg(options::OPT_static)) {
CmdArgs.push_back("-Bstatic");
} else {
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");
}
}
// 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().getArchName() == "i386") {
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)) {
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("crtbeginS.o")));
}
}
Args.AddAllArgs(CmdArgs, options::OPT_L);
Args.AddAllArgs(CmdArgs, options::OPT_T_Group);
Args.AddAllArgs(CmdArgs, options::OPT_e);
for (InputInfoList::const_iterator
it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
const InputInfo &II = *it;
// Don't try to pass LLVM 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();
if (II.isFilename())
CmdArgs.push_back(II.getFilename());
else
II.getInputArg().renderAsInput(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
CmdArgs.push_back("-L/usr/lib/gcc41");
if (!Args.hasArg(options::OPT_static)) {
CmdArgs.push_back("-rpath");
CmdArgs.push_back("/usr/lib/gcc41");
CmdArgs.push_back("-rpath-link");
CmdArgs.push_back("/usr/lib/gcc41");
CmdArgs.push_back("-rpath");
CmdArgs.push_back("/usr/lib");
CmdArgs.push_back("-rpath-link");
CmdArgs.push_back("/usr/lib");
}
if (D.CCCIsCXX) {
CmdArgs.push_back("-lstdc++");
CmdArgs.push_back("-lm");
}
if (Args.hasArg(options::OPT_shared)) {
CmdArgs.push_back("-lgcc_pic");
} else {
CmdArgs.push_back("-lgcc");
}
if (Args.hasArg(options::OPT_pthread))
CmdArgs.push_back("-lpthread");
if (!Args.hasArg(options::OPT_nolibc)) {
CmdArgs.push_back("-lc");
}
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))
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")));
}
const char *Exec =
Args.MakeArgString(getToolChain().GetProgramPath("ld"));
C.addCommand(new Command(JA, *this, Exec, CmdArgs));
}
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