4684ddb6aa
- import libcxx - reduce targets to the one when compiled as a tools Change-Id: Iabb8427f80ff8e89463559a28bcb8b4f2bdbc496
2056 lines
72 KiB
C++
2056 lines
72 KiB
C++
//===--- Driver.cpp - Clang GCC Compatible Driver -------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "clang/Driver/Driver.h"
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#include "InputInfo.h"
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#include "ToolChains.h"
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#include "clang/Basic/Version.h"
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#include "clang/Driver/Action.h"
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#include "clang/Driver/Compilation.h"
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#include "clang/Driver/DriverDiagnostic.h"
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#include "clang/Driver/Job.h"
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#include "clang/Driver/Options.h"
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#include "clang/Driver/Tool.h"
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#include "clang/Driver/ToolChain.h"
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#include "llvm/ADT/ArrayRef.h"
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#include "llvm/ADT/OwningPtr.h"
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#include "llvm/ADT/STLExtras.h"
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#include "llvm/ADT/StringSet.h"
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#include "llvm/ADT/StringSwitch.h"
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#include "llvm/Option/Arg.h"
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#include "llvm/Option/ArgList.h"
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#include "llvm/Option/OptTable.h"
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#include "llvm/Option/Option.h"
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#include "llvm/Option/OptSpecifier.h"
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#include "llvm/Support/Debug.h"
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#include "llvm/Support/ErrorHandling.h"
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#include "llvm/Support/FileSystem.h"
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#include "llvm/Support/Path.h"
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#include "llvm/Support/PrettyStackTrace.h"
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#include "llvm/Support/Program.h"
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#include "llvm/Support/raw_ostream.h"
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#include <map>
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// FIXME: It would prevent us from including llvm-config.h
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// if config.h were included before system_error.h.
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#include "clang/Config/config.h"
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using namespace clang::driver;
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using namespace clang;
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using namespace llvm::opt;
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Driver::Driver(StringRef ClangExecutable,
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StringRef DefaultTargetTriple,
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StringRef DefaultImageName,
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DiagnosticsEngine &Diags)
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: Opts(createDriverOptTable()), Diags(Diags), Mode(GCCMode),
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ClangExecutable(ClangExecutable), SysRoot(DEFAULT_SYSROOT),
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UseStdLib(true), DefaultTargetTriple(DefaultTargetTriple),
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DefaultImageName(DefaultImageName),
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DriverTitle("clang LLVM compiler"),
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CCPrintOptionsFilename(0), CCPrintHeadersFilename(0),
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CCLogDiagnosticsFilename(0),
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CCCPrintBindings(false),
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CCPrintHeaders(false), CCLogDiagnostics(false),
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CCGenDiagnostics(false), CCCGenericGCCName(""), CheckInputsExist(true),
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CCCUsePCH(true), SuppressMissingInputWarning(false) {
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Name = llvm::sys::path::stem(ClangExecutable);
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Dir = llvm::sys::path::parent_path(ClangExecutable);
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// Compute the path to the resource directory.
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StringRef ClangResourceDir(CLANG_RESOURCE_DIR);
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SmallString<128> P(Dir);
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if (ClangResourceDir != "")
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llvm::sys::path::append(P, ClangResourceDir);
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else
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llvm::sys::path::append(P, "..", "lib", "clang", CLANG_VERSION_STRING);
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ResourceDir = P.str();
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}
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Driver::~Driver() {
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delete Opts;
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for (llvm::StringMap<ToolChain *>::iterator I = ToolChains.begin(),
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E = ToolChains.end();
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I != E; ++I)
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delete I->second;
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}
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void Driver::ParseDriverMode(ArrayRef<const char *> Args) {
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const std::string OptName =
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getOpts().getOption(options::OPT_driver_mode).getPrefixedName();
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for (size_t I = 0, E = Args.size(); I != E; ++I) {
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const StringRef Arg = Args[I];
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if (!Arg.startswith(OptName))
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continue;
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const StringRef Value = Arg.drop_front(OptName.size());
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const unsigned M = llvm::StringSwitch<unsigned>(Value)
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.Case("gcc", GCCMode)
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.Case("g++", GXXMode)
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.Case("cpp", CPPMode)
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.Case("cl", CLMode)
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.Default(~0U);
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if (M != ~0U)
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Mode = static_cast<DriverMode>(M);
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else
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Diag(diag::err_drv_unsupported_option_argument) << OptName << Value;
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}
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}
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InputArgList *Driver::ParseArgStrings(ArrayRef<const char *> ArgList) {
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llvm::PrettyStackTraceString CrashInfo("Command line argument parsing");
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unsigned IncludedFlagsBitmask;
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unsigned ExcludedFlagsBitmask;
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llvm::tie(IncludedFlagsBitmask, ExcludedFlagsBitmask) =
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getIncludeExcludeOptionFlagMasks();
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unsigned MissingArgIndex, MissingArgCount;
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InputArgList *Args = getOpts().ParseArgs(ArgList.begin(), ArgList.end(),
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MissingArgIndex, MissingArgCount,
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IncludedFlagsBitmask,
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ExcludedFlagsBitmask);
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// Check for missing argument error.
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if (MissingArgCount)
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Diag(clang::diag::err_drv_missing_argument)
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<< Args->getArgString(MissingArgIndex) << MissingArgCount;
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// Check for unsupported options.
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for (ArgList::const_iterator it = Args->begin(), ie = Args->end();
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it != ie; ++it) {
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Arg *A = *it;
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if (A->getOption().hasFlag(options::Unsupported)) {
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Diag(clang::diag::err_drv_unsupported_opt) << A->getAsString(*Args);
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continue;
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}
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// Warn about -mcpu= without an argument.
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if (A->getOption().matches(options::OPT_mcpu_EQ) &&
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A->containsValue("")) {
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Diag(clang::diag::warn_drv_empty_joined_argument) <<
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A->getAsString(*Args);
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}
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}
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for (arg_iterator it = Args->filtered_begin(options::OPT_UNKNOWN),
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ie = Args->filtered_end(); it != ie; ++it) {
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Diags.Report(diag::err_drv_unknown_argument) << (*it) ->getAsString(*Args);
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}
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return Args;
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}
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// Determine which compilation mode we are in. We look for options which
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// affect the phase, starting with the earliest phases, and record which
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// option we used to determine the final phase.
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phases::ID Driver::getFinalPhase(const DerivedArgList &DAL, Arg **FinalPhaseArg)
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const {
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Arg *PhaseArg = 0;
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phases::ID FinalPhase;
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// -{E,M,MM} only run the preprocessor.
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if (CCCIsCPP() ||
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(PhaseArg = DAL.getLastArg(options::OPT_E)) ||
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(PhaseArg = DAL.getLastArg(options::OPT_M, options::OPT_MM))) {
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FinalPhase = phases::Preprocess;
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// -{fsyntax-only,-analyze,emit-ast,S} only run up to the compiler.
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} else if ((PhaseArg = DAL.getLastArg(options::OPT_fsyntax_only)) ||
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(PhaseArg = DAL.getLastArg(options::OPT_module_file_info)) ||
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(PhaseArg = DAL.getLastArg(options::OPT_rewrite_objc)) ||
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(PhaseArg = DAL.getLastArg(options::OPT_rewrite_legacy_objc)) ||
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(PhaseArg = DAL.getLastArg(options::OPT__migrate)) ||
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(PhaseArg = DAL.getLastArg(options::OPT__analyze,
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options::OPT__analyze_auto)) ||
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(PhaseArg = DAL.getLastArg(options::OPT_emit_ast)) ||
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(PhaseArg = DAL.getLastArg(options::OPT_S))) {
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FinalPhase = phases::Compile;
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// -c only runs up to the assembler.
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} else if ((PhaseArg = DAL.getLastArg(options::OPT_c))) {
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FinalPhase = phases::Assemble;
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// Otherwise do everything.
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} else
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FinalPhase = phases::Link;
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if (FinalPhaseArg)
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*FinalPhaseArg = PhaseArg;
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return FinalPhase;
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}
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static Arg* MakeInputArg(const DerivedArgList &Args, OptTable *Opts,
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StringRef Value) {
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Arg *A = new Arg(Opts->getOption(options::OPT_INPUT), Value,
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Args.getBaseArgs().MakeIndex(Value), Value.data());
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A->claim();
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return A;
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}
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DerivedArgList *Driver::TranslateInputArgs(const InputArgList &Args) const {
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DerivedArgList *DAL = new DerivedArgList(Args);
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bool HasNostdlib = Args.hasArg(options::OPT_nostdlib);
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for (ArgList::const_iterator it = Args.begin(),
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ie = Args.end(); it != ie; ++it) {
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const Arg *A = *it;
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// Unfortunately, we have to parse some forwarding options (-Xassembler,
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// -Xlinker, -Xpreprocessor) because we either integrate their functionality
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// (assembler and preprocessor), or bypass a previous driver ('collect2').
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// Rewrite linker options, to replace --no-demangle with a custom internal
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// option.
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if ((A->getOption().matches(options::OPT_Wl_COMMA) ||
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A->getOption().matches(options::OPT_Xlinker)) &&
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A->containsValue("--no-demangle")) {
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// Add the rewritten no-demangle argument.
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DAL->AddFlagArg(A, Opts->getOption(options::OPT_Z_Xlinker__no_demangle));
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// Add the remaining values as Xlinker arguments.
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for (unsigned i = 0, e = A->getNumValues(); i != e; ++i)
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if (StringRef(A->getValue(i)) != "--no-demangle")
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DAL->AddSeparateArg(A, Opts->getOption(options::OPT_Xlinker),
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A->getValue(i));
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continue;
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}
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// Rewrite preprocessor options, to replace -Wp,-MD,FOO which is used by
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// some build systems. We don't try to be complete here because we don't
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// care to encourage this usage model.
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if (A->getOption().matches(options::OPT_Wp_COMMA) &&
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(A->getValue(0) == StringRef("-MD") ||
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A->getValue(0) == StringRef("-MMD"))) {
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// Rewrite to -MD/-MMD along with -MF.
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if (A->getValue(0) == StringRef("-MD"))
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DAL->AddFlagArg(A, Opts->getOption(options::OPT_MD));
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else
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DAL->AddFlagArg(A, Opts->getOption(options::OPT_MMD));
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if (A->getNumValues() == 2)
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DAL->AddSeparateArg(A, Opts->getOption(options::OPT_MF),
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A->getValue(1));
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continue;
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}
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// Rewrite reserved library names.
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if (A->getOption().matches(options::OPT_l)) {
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StringRef Value = A->getValue();
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// Rewrite unless -nostdlib is present.
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if (!HasNostdlib && Value == "stdc++") {
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DAL->AddFlagArg(A, Opts->getOption(
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options::OPT_Z_reserved_lib_stdcxx));
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continue;
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}
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// Rewrite unconditionally.
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if (Value == "cc_kext") {
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DAL->AddFlagArg(A, Opts->getOption(
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options::OPT_Z_reserved_lib_cckext));
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continue;
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}
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}
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// Pick up inputs via the -- option.
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if (A->getOption().matches(options::OPT__DASH_DASH)) {
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A->claim();
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for (unsigned i = 0, e = A->getNumValues(); i != e; ++i)
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DAL->append(MakeInputArg(*DAL, Opts, A->getValue(i)));
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continue;
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}
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DAL->append(*it);
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}
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// Add a default value of -mlinker-version=, if one was given and the user
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// didn't specify one.
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#if defined(HOST_LINK_VERSION)
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if (!Args.hasArg(options::OPT_mlinker_version_EQ)) {
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DAL->AddJoinedArg(0, Opts->getOption(options::OPT_mlinker_version_EQ),
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HOST_LINK_VERSION);
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DAL->getLastArg(options::OPT_mlinker_version_EQ)->claim();
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}
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#endif
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return DAL;
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}
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Compilation *Driver::BuildCompilation(ArrayRef<const char *> ArgList) {
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llvm::PrettyStackTraceString CrashInfo("Compilation construction");
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// FIXME: Handle environment options which affect driver behavior, somewhere
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// (client?). GCC_EXEC_PREFIX, LPATH, CC_PRINT_OPTIONS.
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if (char *env = ::getenv("COMPILER_PATH")) {
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StringRef CompilerPath = env;
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while (!CompilerPath.empty()) {
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std::pair<StringRef, StringRef> Split
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= CompilerPath.split(llvm::sys::EnvPathSeparator);
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PrefixDirs.push_back(Split.first);
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CompilerPath = Split.second;
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}
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}
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// We look for the driver mode option early, because the mode can affect
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// how other options are parsed.
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ParseDriverMode(ArgList.slice(1));
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// FIXME: What are we going to do with -V and -b?
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// FIXME: This stuff needs to go into the Compilation, not the driver.
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bool CCCPrintActions;
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InputArgList *Args = ParseArgStrings(ArgList.slice(1));
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// -no-canonical-prefixes is used very early in main.
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Args->ClaimAllArgs(options::OPT_no_canonical_prefixes);
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// Ignore -pipe.
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Args->ClaimAllArgs(options::OPT_pipe);
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// Extract -ccc args.
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//
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// FIXME: We need to figure out where this behavior should live. Most of it
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// should be outside in the client; the parts that aren't should have proper
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// options, either by introducing new ones or by overloading gcc ones like -V
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// or -b.
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CCCPrintActions = Args->hasArg(options::OPT_ccc_print_phases);
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CCCPrintBindings = Args->hasArg(options::OPT_ccc_print_bindings);
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if (const Arg *A = Args->getLastArg(options::OPT_ccc_gcc_name))
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CCCGenericGCCName = A->getValue();
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CCCUsePCH = Args->hasFlag(options::OPT_ccc_pch_is_pch,
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options::OPT_ccc_pch_is_pth);
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// FIXME: DefaultTargetTriple is used by the target-prefixed calls to as/ld
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// and getToolChain is const.
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if (IsCLMode()) {
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// clang-cl targets Win32.
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llvm::Triple T(DefaultTargetTriple);
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T.setOSName(llvm::Triple::getOSTypeName(llvm::Triple::Win32));
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DefaultTargetTriple = T.str();
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}
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if (const Arg *A = Args->getLastArg(options::OPT_target))
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DefaultTargetTriple = A->getValue();
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if (const Arg *A = Args->getLastArg(options::OPT_ccc_install_dir))
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Dir = InstalledDir = A->getValue();
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for (arg_iterator it = Args->filtered_begin(options::OPT_B),
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ie = Args->filtered_end(); it != ie; ++it) {
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const Arg *A = *it;
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A->claim();
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PrefixDirs.push_back(A->getValue(0));
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}
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if (const Arg *A = Args->getLastArg(options::OPT__sysroot_EQ))
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SysRoot = A->getValue();
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if (const Arg *A = Args->getLastArg(options::OPT__dyld_prefix_EQ))
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DyldPrefix = A->getValue();
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if (Args->hasArg(options::OPT_nostdlib))
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UseStdLib = false;
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if (const Arg *A = Args->getLastArg(options::OPT_resource_dir))
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ResourceDir = A->getValue();
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// Perform the default argument translations.
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DerivedArgList *TranslatedArgs = TranslateInputArgs(*Args);
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// Owned by the host.
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const ToolChain &TC = getToolChain(*Args);
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// The compilation takes ownership of Args.
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Compilation *C = new Compilation(*this, TC, Args, TranslatedArgs);
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if (!HandleImmediateArgs(*C))
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return C;
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// Construct the list of inputs.
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InputList Inputs;
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BuildInputs(C->getDefaultToolChain(), *TranslatedArgs, Inputs);
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// Construct the list of abstract actions to perform for this compilation. On
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// Darwin target OSes this uses the driver-driver and universal actions.
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if (TC.getTriple().isOSDarwin())
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BuildUniversalActions(C->getDefaultToolChain(), C->getArgs(),
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Inputs, C->getActions());
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else
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BuildActions(C->getDefaultToolChain(), C->getArgs(), Inputs,
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C->getActions());
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if (CCCPrintActions) {
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PrintActions(*C);
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return C;
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}
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BuildJobs(*C);
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return C;
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}
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// When clang crashes, produce diagnostic information including the fully
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// preprocessed source file(s). Request that the developer attach the
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// diagnostic information to a bug report.
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void Driver::generateCompilationDiagnostics(Compilation &C,
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const Command *FailingCommand) {
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if (C.getArgs().hasArg(options::OPT_fno_crash_diagnostics))
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return;
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// Don't try to generate diagnostics for link or dsymutil jobs.
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if (FailingCommand && (FailingCommand->getCreator().isLinkJob() ||
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FailingCommand->getCreator().isDsymutilJob()))
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return;
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// Print the version of the compiler.
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PrintVersion(C, llvm::errs());
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Diag(clang::diag::note_drv_command_failed_diag_msg)
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<< "PLEASE submit a bug report to " BUG_REPORT_URL " and include the "
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"crash backtrace, preprocessed source, and associated run script.";
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// Suppress driver output and emit preprocessor output to temp file.
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Mode = CPPMode;
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CCGenDiagnostics = true;
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C.getArgs().AddFlagArg(0, Opts->getOption(options::OPT_frewrite_includes));
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// Save the original job command(s).
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std::string Cmd;
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llvm::raw_string_ostream OS(Cmd);
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if (FailingCommand)
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FailingCommand->Print(OS, "\n", /*Quote*/ false, /*CrashReport*/ true);
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else
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// Crash triggered by FORCE_CLANG_DIAGNOSTICS_CRASH, which doesn't have an
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// associated FailingCommand, so just pass all jobs.
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C.getJobs().Print(OS, "\n", /*Quote*/ false, /*CrashReport*/ true);
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OS.flush();
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// Keep track of whether we produce any errors while trying to produce
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// preprocessed sources.
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DiagnosticErrorTrap Trap(Diags);
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// Suppress tool output.
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C.initCompilationForDiagnostics();
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// Construct the list of inputs.
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InputList Inputs;
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BuildInputs(C.getDefaultToolChain(), C.getArgs(), Inputs);
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for (InputList::iterator it = Inputs.begin(), ie = Inputs.end(); it != ie;) {
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bool IgnoreInput = false;
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// Ignore input from stdin or any inputs that cannot be preprocessed.
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if (!strcmp(it->second->getValue(), "-")) {
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Diag(clang::diag::note_drv_command_failed_diag_msg)
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<< "Error generating preprocessed source(s) - ignoring input from stdin"
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".";
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IgnoreInput = true;
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} else if (types::getPreprocessedType(it->first) == types::TY_INVALID) {
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IgnoreInput = true;
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}
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if (IgnoreInput) {
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it = Inputs.erase(it);
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ie = Inputs.end();
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} else {
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++it;
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}
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}
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if (Inputs.empty()) {
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Diag(clang::diag::note_drv_command_failed_diag_msg)
|
|
<< "Error generating preprocessed source(s) - no preprocessable inputs.";
|
|
return;
|
|
}
|
|
|
|
// Don't attempt to generate preprocessed files if multiple -arch options are
|
|
// used, unless they're all duplicates.
|
|
llvm::StringSet<> ArchNames;
|
|
for (ArgList::const_iterator it = C.getArgs().begin(), ie = C.getArgs().end();
|
|
it != ie; ++it) {
|
|
Arg *A = *it;
|
|
if (A->getOption().matches(options::OPT_arch)) {
|
|
StringRef ArchName = A->getValue();
|
|
ArchNames.insert(ArchName);
|
|
}
|
|
}
|
|
if (ArchNames.size() > 1) {
|
|
Diag(clang::diag::note_drv_command_failed_diag_msg)
|
|
<< "Error generating preprocessed source(s) - cannot generate "
|
|
"preprocessed source with multiple -arch options.";
|
|
return;
|
|
}
|
|
|
|
// Construct the list of abstract actions to perform for this compilation. On
|
|
// Darwin OSes this uses the driver-driver and builds universal actions.
|
|
const ToolChain &TC = C.getDefaultToolChain();
|
|
if (TC.getTriple().isOSDarwin())
|
|
BuildUniversalActions(TC, C.getArgs(), Inputs, C.getActions());
|
|
else
|
|
BuildActions(TC, C.getArgs(), Inputs, C.getActions());
|
|
|
|
BuildJobs(C);
|
|
|
|
// If there were errors building the compilation, quit now.
|
|
if (Trap.hasErrorOccurred()) {
|
|
Diag(clang::diag::note_drv_command_failed_diag_msg)
|
|
<< "Error generating preprocessed source(s).";
|
|
return;
|
|
}
|
|
|
|
// Generate preprocessed output.
|
|
SmallVector<std::pair<int, const Command *>, 4> FailingCommands;
|
|
C.ExecuteJob(C.getJobs(), FailingCommands);
|
|
|
|
// If the command succeeded, we are done.
|
|
if (FailingCommands.empty()) {
|
|
Diag(clang::diag::note_drv_command_failed_diag_msg)
|
|
<< "\n********************\n\n"
|
|
"PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:\n"
|
|
"Preprocessed source(s) and associated run script(s) are located at:";
|
|
ArgStringList Files = C.getTempFiles();
|
|
for (ArgStringList::const_iterator it = Files.begin(), ie = Files.end();
|
|
it != ie; ++it) {
|
|
Diag(clang::diag::note_drv_command_failed_diag_msg) << *it;
|
|
|
|
std::string Err;
|
|
std::string Script = StringRef(*it).rsplit('.').first;
|
|
Script += ".sh";
|
|
llvm::raw_fd_ostream ScriptOS(
|
|
Script.c_str(), Err, llvm::sys::fs::F_Excl | llvm::sys::fs::F_Binary);
|
|
if (!Err.empty()) {
|
|
Diag(clang::diag::note_drv_command_failed_diag_msg)
|
|
<< "Error generating run script: " + Script + " " + Err;
|
|
} else {
|
|
// Append the new filename with correct preprocessed suffix.
|
|
size_t I, E;
|
|
I = Cmd.find("-main-file-name ");
|
|
assert (I != std::string::npos && "Expected to find -main-file-name");
|
|
I += 16;
|
|
E = Cmd.find(" ", I);
|
|
assert (E != std::string::npos && "-main-file-name missing argument?");
|
|
StringRef OldFilename = StringRef(Cmd).slice(I, E);
|
|
StringRef NewFilename = llvm::sys::path::filename(*it);
|
|
I = StringRef(Cmd).rfind(OldFilename);
|
|
E = I + OldFilename.size();
|
|
I = Cmd.rfind(" ", I) + 1;
|
|
Cmd.replace(I, E - I, NewFilename.data(), NewFilename.size());
|
|
ScriptOS << Cmd;
|
|
Diag(clang::diag::note_drv_command_failed_diag_msg) << Script;
|
|
}
|
|
}
|
|
Diag(clang::diag::note_drv_command_failed_diag_msg)
|
|
<< "\n\n********************";
|
|
} else {
|
|
// Failure, remove preprocessed files.
|
|
if (!C.getArgs().hasArg(options::OPT_save_temps))
|
|
C.CleanupFileList(C.getTempFiles(), true);
|
|
|
|
Diag(clang::diag::note_drv_command_failed_diag_msg)
|
|
<< "Error generating preprocessed source(s).";
|
|
}
|
|
}
|
|
|
|
int Driver::ExecuteCompilation(const Compilation &C,
|
|
SmallVectorImpl< std::pair<int, const Command *> > &FailingCommands) const {
|
|
// Just print if -### was present.
|
|
if (C.getArgs().hasArg(options::OPT__HASH_HASH_HASH)) {
|
|
C.getJobs().Print(llvm::errs(), "\n", true);
|
|
return 0;
|
|
}
|
|
|
|
// If there were errors building the compilation, quit now.
|
|
if (Diags.hasErrorOccurred())
|
|
return 1;
|
|
|
|
C.ExecuteJob(C.getJobs(), FailingCommands);
|
|
|
|
// Remove temp files.
|
|
C.CleanupFileList(C.getTempFiles());
|
|
|
|
// If the command succeeded, we are done.
|
|
if (FailingCommands.empty())
|
|
return 0;
|
|
|
|
// Otherwise, remove result files and print extra information about abnormal
|
|
// failures.
|
|
for (SmallVectorImpl< std::pair<int, const Command *> >::iterator it =
|
|
FailingCommands.begin(), ie = FailingCommands.end(); it != ie; ++it) {
|
|
int Res = it->first;
|
|
const Command *FailingCommand = it->second;
|
|
|
|
// Remove result files if we're not saving temps.
|
|
if (!C.getArgs().hasArg(options::OPT_save_temps)) {
|
|
const JobAction *JA = cast<JobAction>(&FailingCommand->getSource());
|
|
C.CleanupFileMap(C.getResultFiles(), JA, true);
|
|
|
|
// Failure result files are valid unless we crashed.
|
|
if (Res < 0)
|
|
C.CleanupFileMap(C.getFailureResultFiles(), JA, true);
|
|
}
|
|
|
|
// Print extra information about abnormal failures, if possible.
|
|
//
|
|
// This is ad-hoc, but we don't want to be excessively noisy. If the result
|
|
// status was 1, assume the command failed normally. In particular, if it
|
|
// was the compiler then assume it gave a reasonable error code. Failures
|
|
// in other tools are less common, and they generally have worse
|
|
// diagnostics, so always print the diagnostic there.
|
|
const Tool &FailingTool = FailingCommand->getCreator();
|
|
|
|
if (!FailingCommand->getCreator().hasGoodDiagnostics() || Res != 1) {
|
|
// FIXME: See FIXME above regarding result code interpretation.
|
|
if (Res < 0)
|
|
Diag(clang::diag::err_drv_command_signalled)
|
|
<< FailingTool.getShortName();
|
|
else
|
|
Diag(clang::diag::err_drv_command_failed)
|
|
<< FailingTool.getShortName() << Res;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void Driver::PrintHelp(bool ShowHidden) const {
|
|
unsigned IncludedFlagsBitmask;
|
|
unsigned ExcludedFlagsBitmask;
|
|
llvm::tie(IncludedFlagsBitmask, ExcludedFlagsBitmask) =
|
|
getIncludeExcludeOptionFlagMasks();
|
|
|
|
ExcludedFlagsBitmask |= options::NoDriverOption;
|
|
if (!ShowHidden)
|
|
ExcludedFlagsBitmask |= HelpHidden;
|
|
|
|
getOpts().PrintHelp(llvm::outs(), Name.c_str(), DriverTitle.c_str(),
|
|
IncludedFlagsBitmask, ExcludedFlagsBitmask);
|
|
}
|
|
|
|
void Driver::PrintVersion(const Compilation &C, raw_ostream &OS) const {
|
|
// FIXME: The following handlers should use a callback mechanism, we don't
|
|
// know what the client would like to do.
|
|
OS << getClangFullVersion() << '\n';
|
|
const ToolChain &TC = C.getDefaultToolChain();
|
|
OS << "Target: " << TC.getTripleString() << '\n';
|
|
|
|
// Print the threading model.
|
|
//
|
|
// FIXME: Implement correctly.
|
|
OS << "Thread model: " << "posix" << '\n';
|
|
}
|
|
|
|
/// PrintDiagnosticCategories - Implement the --print-diagnostic-categories
|
|
/// option.
|
|
static void PrintDiagnosticCategories(raw_ostream &OS) {
|
|
// Skip the empty category.
|
|
for (unsigned i = 1, max = DiagnosticIDs::getNumberOfCategories();
|
|
i != max; ++i)
|
|
OS << i << ',' << DiagnosticIDs::getCategoryNameFromID(i) << '\n';
|
|
}
|
|
|
|
bool Driver::HandleImmediateArgs(const Compilation &C) {
|
|
// The order these options are handled in gcc is all over the place, but we
|
|
// don't expect inconsistencies w.r.t. that to matter in practice.
|
|
|
|
if (C.getArgs().hasArg(options::OPT_dumpmachine)) {
|
|
llvm::outs() << C.getDefaultToolChain().getTripleString() << '\n';
|
|
return false;
|
|
}
|
|
|
|
if (C.getArgs().hasArg(options::OPT_dumpversion)) {
|
|
// Since -dumpversion is only implemented for pedantic GCC compatibility, we
|
|
// return an answer which matches our definition of __VERSION__.
|
|
//
|
|
// If we want to return a more correct answer some day, then we should
|
|
// introduce a non-pedantically GCC compatible mode to Clang in which we
|
|
// provide sensible definitions for -dumpversion, __VERSION__, etc.
|
|
llvm::outs() << "4.2.1\n";
|
|
return false;
|
|
}
|
|
|
|
if (C.getArgs().hasArg(options::OPT__print_diagnostic_categories)) {
|
|
PrintDiagnosticCategories(llvm::outs());
|
|
return false;
|
|
}
|
|
|
|
if (C.getArgs().hasArg(options::OPT_help) ||
|
|
C.getArgs().hasArg(options::OPT__help_hidden)) {
|
|
PrintHelp(C.getArgs().hasArg(options::OPT__help_hidden));
|
|
return false;
|
|
}
|
|
|
|
if (C.getArgs().hasArg(options::OPT__version)) {
|
|
// Follow gcc behavior and use stdout for --version and stderr for -v.
|
|
PrintVersion(C, llvm::outs());
|
|
return false;
|
|
}
|
|
|
|
if (C.getArgs().hasArg(options::OPT_v) ||
|
|
C.getArgs().hasArg(options::OPT__HASH_HASH_HASH)) {
|
|
PrintVersion(C, llvm::errs());
|
|
SuppressMissingInputWarning = true;
|
|
}
|
|
|
|
const ToolChain &TC = C.getDefaultToolChain();
|
|
|
|
if (C.getArgs().hasArg(options::OPT_v))
|
|
TC.printVerboseInfo(llvm::errs());
|
|
|
|
if (C.getArgs().hasArg(options::OPT_print_search_dirs)) {
|
|
llvm::outs() << "programs: =";
|
|
for (ToolChain::path_list::const_iterator it = TC.getProgramPaths().begin(),
|
|
ie = TC.getProgramPaths().end(); it != ie; ++it) {
|
|
if (it != TC.getProgramPaths().begin())
|
|
llvm::outs() << ':';
|
|
llvm::outs() << *it;
|
|
}
|
|
llvm::outs() << "\n";
|
|
llvm::outs() << "libraries: =" << ResourceDir;
|
|
|
|
StringRef sysroot = C.getSysRoot();
|
|
|
|
for (ToolChain::path_list::const_iterator it = TC.getFilePaths().begin(),
|
|
ie = TC.getFilePaths().end(); it != ie; ++it) {
|
|
llvm::outs() << ':';
|
|
const char *path = it->c_str();
|
|
if (path[0] == '=')
|
|
llvm::outs() << sysroot << path + 1;
|
|
else
|
|
llvm::outs() << path;
|
|
}
|
|
llvm::outs() << "\n";
|
|
return false;
|
|
}
|
|
|
|
// FIXME: The following handlers should use a callback mechanism, we don't
|
|
// know what the client would like to do.
|
|
if (Arg *A = C.getArgs().getLastArg(options::OPT_print_file_name_EQ)) {
|
|
llvm::outs() << GetFilePath(A->getValue(), TC) << "\n";
|
|
return false;
|
|
}
|
|
|
|
if (Arg *A = C.getArgs().getLastArg(options::OPT_print_prog_name_EQ)) {
|
|
llvm::outs() << GetProgramPath(A->getValue(), TC) << "\n";
|
|
return false;
|
|
}
|
|
|
|
if (C.getArgs().hasArg(options::OPT_print_libgcc_file_name)) {
|
|
llvm::outs() << GetFilePath("libgcc.a", TC) << "\n";
|
|
return false;
|
|
}
|
|
|
|
if (C.getArgs().hasArg(options::OPT_print_multi_lib)) {
|
|
// FIXME: We need tool chain support for this.
|
|
llvm::outs() << ".;\n";
|
|
|
|
switch (C.getDefaultToolChain().getTriple().getArch()) {
|
|
default:
|
|
break;
|
|
|
|
case llvm::Triple::x86_64:
|
|
llvm::outs() << "x86_64;@m64" << "\n";
|
|
break;
|
|
|
|
case llvm::Triple::ppc64:
|
|
llvm::outs() << "ppc64;@m64" << "\n";
|
|
break;
|
|
|
|
case llvm::Triple::ppc64le:
|
|
llvm::outs() << "ppc64le;@m64" << "\n";
|
|
break;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
// FIXME: What is the difference between print-multi-directory and
|
|
// print-multi-os-directory?
|
|
if (C.getArgs().hasArg(options::OPT_print_multi_directory) ||
|
|
C.getArgs().hasArg(options::OPT_print_multi_os_directory)) {
|
|
switch (C.getDefaultToolChain().getTriple().getArch()) {
|
|
default:
|
|
case llvm::Triple::x86:
|
|
case llvm::Triple::ppc:
|
|
llvm::outs() << "." << "\n";
|
|
break;
|
|
|
|
case llvm::Triple::x86_64:
|
|
llvm::outs() << "x86_64" << "\n";
|
|
break;
|
|
|
|
case llvm::Triple::ppc64:
|
|
llvm::outs() << "ppc64" << "\n";
|
|
break;
|
|
|
|
case llvm::Triple::ppc64le:
|
|
llvm::outs() << "ppc64le" << "\n";
|
|
break;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
static unsigned PrintActions1(const Compilation &C, Action *A,
|
|
std::map<Action*, unsigned> &Ids) {
|
|
if (Ids.count(A))
|
|
return Ids[A];
|
|
|
|
std::string str;
|
|
llvm::raw_string_ostream os(str);
|
|
|
|
os << Action::getClassName(A->getKind()) << ", ";
|
|
if (InputAction *IA = dyn_cast<InputAction>(A)) {
|
|
os << "\"" << IA->getInputArg().getValue() << "\"";
|
|
} else if (BindArchAction *BIA = dyn_cast<BindArchAction>(A)) {
|
|
os << '"' << BIA->getArchName() << '"'
|
|
<< ", {" << PrintActions1(C, *BIA->begin(), Ids) << "}";
|
|
} else {
|
|
os << "{";
|
|
for (Action::iterator it = A->begin(), ie = A->end(); it != ie;) {
|
|
os << PrintActions1(C, *it, Ids);
|
|
++it;
|
|
if (it != ie)
|
|
os << ", ";
|
|
}
|
|
os << "}";
|
|
}
|
|
|
|
unsigned Id = Ids.size();
|
|
Ids[A] = Id;
|
|
llvm::errs() << Id << ": " << os.str() << ", "
|
|
<< types::getTypeName(A->getType()) << "\n";
|
|
|
|
return Id;
|
|
}
|
|
|
|
void Driver::PrintActions(const Compilation &C) const {
|
|
std::map<Action*, unsigned> Ids;
|
|
for (ActionList::const_iterator it = C.getActions().begin(),
|
|
ie = C.getActions().end(); it != ie; ++it)
|
|
PrintActions1(C, *it, Ids);
|
|
}
|
|
|
|
/// \brief Check whether the given input tree contains any compilation or
|
|
/// assembly actions.
|
|
static bool ContainsCompileOrAssembleAction(const Action *A) {
|
|
if (isa<CompileJobAction>(A) || isa<AssembleJobAction>(A))
|
|
return true;
|
|
|
|
for (Action::const_iterator it = A->begin(), ie = A->end(); it != ie; ++it)
|
|
if (ContainsCompileOrAssembleAction(*it))
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
void Driver::BuildUniversalActions(const ToolChain &TC,
|
|
DerivedArgList &Args,
|
|
const InputList &BAInputs,
|
|
ActionList &Actions) const {
|
|
llvm::PrettyStackTraceString CrashInfo("Building universal build actions");
|
|
// Collect the list of architectures. Duplicates are allowed, but should only
|
|
// be handled once (in the order seen).
|
|
llvm::StringSet<> ArchNames;
|
|
SmallVector<const char *, 4> Archs;
|
|
for (ArgList::const_iterator it = Args.begin(), ie = Args.end();
|
|
it != ie; ++it) {
|
|
Arg *A = *it;
|
|
|
|
if (A->getOption().matches(options::OPT_arch)) {
|
|
// Validate the option here; we don't save the type here because its
|
|
// particular spelling may participate in other driver choices.
|
|
llvm::Triple::ArchType Arch =
|
|
tools::darwin::getArchTypeForDarwinArchName(A->getValue());
|
|
if (Arch == llvm::Triple::UnknownArch) {
|
|
Diag(clang::diag::err_drv_invalid_arch_name)
|
|
<< A->getAsString(Args);
|
|
continue;
|
|
}
|
|
|
|
A->claim();
|
|
if (ArchNames.insert(A->getValue()))
|
|
Archs.push_back(A->getValue());
|
|
}
|
|
}
|
|
|
|
// When there is no explicit arch for this platform, make sure we still bind
|
|
// the architecture (to the default) so that -Xarch_ is handled correctly.
|
|
if (!Archs.size())
|
|
Archs.push_back(Args.MakeArgString(TC.getDefaultUniversalArchName()));
|
|
|
|
ActionList SingleActions;
|
|
BuildActions(TC, Args, BAInputs, SingleActions);
|
|
|
|
// Add in arch bindings for every top level action, as well as lipo and
|
|
// dsymutil steps if needed.
|
|
for (unsigned i = 0, e = SingleActions.size(); i != e; ++i) {
|
|
Action *Act = SingleActions[i];
|
|
|
|
// Make sure we can lipo this kind of output. If not (and it is an actual
|
|
// output) then we disallow, since we can't create an output file with the
|
|
// right name without overwriting it. We could remove this oddity by just
|
|
// changing the output names to include the arch, which would also fix
|
|
// -save-temps. Compatibility wins for now.
|
|
|
|
if (Archs.size() > 1 && !types::canLipoType(Act->getType()))
|
|
Diag(clang::diag::err_drv_invalid_output_with_multiple_archs)
|
|
<< types::getTypeName(Act->getType());
|
|
|
|
ActionList Inputs;
|
|
for (unsigned i = 0, e = Archs.size(); i != e; ++i) {
|
|
Inputs.push_back(new BindArchAction(Act, Archs[i]));
|
|
if (i != 0)
|
|
Inputs.back()->setOwnsInputs(false);
|
|
}
|
|
|
|
// Lipo if necessary, we do it this way because we need to set the arch flag
|
|
// so that -Xarch_ gets overwritten.
|
|
if (Inputs.size() == 1 || Act->getType() == types::TY_Nothing)
|
|
Actions.append(Inputs.begin(), Inputs.end());
|
|
else
|
|
Actions.push_back(new LipoJobAction(Inputs, Act->getType()));
|
|
|
|
// Handle debug info queries.
|
|
Arg *A = Args.getLastArg(options::OPT_g_Group);
|
|
if (A && !A->getOption().matches(options::OPT_g0) &&
|
|
!A->getOption().matches(options::OPT_gstabs) &&
|
|
ContainsCompileOrAssembleAction(Actions.back())) {
|
|
|
|
// Add a 'dsymutil' step if necessary, when debug info is enabled and we
|
|
// have a compile input. We need to run 'dsymutil' ourselves in such cases
|
|
// because the debug info will refer to a temporary object file which
|
|
// will be removed at the end of the compilation process.
|
|
if (Act->getType() == types::TY_Image) {
|
|
ActionList Inputs;
|
|
Inputs.push_back(Actions.back());
|
|
Actions.pop_back();
|
|
Actions.push_back(new DsymutilJobAction(Inputs, types::TY_dSYM));
|
|
}
|
|
|
|
// Verify the output (debug information only) if we passed '-verify'.
|
|
if (Args.hasArg(options::OPT_verify)) {
|
|
ActionList VerifyInputs;
|
|
VerifyInputs.push_back(Actions.back());
|
|
Actions.pop_back();
|
|
Actions.push_back(new VerifyJobAction(VerifyInputs,
|
|
types::TY_Nothing));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/// \brief Check that the file referenced by Value exists. If it doesn't,
|
|
/// issue a diagnostic and return false.
|
|
static bool DiagnoseInputExistance(const Driver &D, const DerivedArgList &Args,
|
|
StringRef Value) {
|
|
if (!D.getCheckInputsExist())
|
|
return true;
|
|
|
|
// stdin always exists.
|
|
if (Value == "-")
|
|
return true;
|
|
|
|
SmallString<64> Path(Value);
|
|
if (Arg *WorkDir = Args.getLastArg(options::OPT_working_directory)) {
|
|
if (!llvm::sys::path::is_absolute(Path.str())) {
|
|
SmallString<64> Directory(WorkDir->getValue());
|
|
llvm::sys::path::append(Directory, Value);
|
|
Path.assign(Directory);
|
|
}
|
|
}
|
|
|
|
if (llvm::sys::fs::exists(Twine(Path)))
|
|
return true;
|
|
|
|
D.Diag(clang::diag::err_drv_no_such_file) << Path.str();
|
|
return false;
|
|
}
|
|
|
|
// Construct a the list of inputs and their types.
|
|
void Driver::BuildInputs(const ToolChain &TC, const DerivedArgList &Args,
|
|
InputList &Inputs) const {
|
|
// Track the current user specified (-x) input. We also explicitly track the
|
|
// argument used to set the type; we only want to claim the type when we
|
|
// actually use it, so we warn about unused -x arguments.
|
|
types::ID InputType = types::TY_Nothing;
|
|
Arg *InputTypeArg = 0;
|
|
|
|
// The last /TC or /TP option sets the input type to C or C++ globally.
|
|
if (Arg *TCTP = Args.getLastArg(options::OPT__SLASH_TC,
|
|
options::OPT__SLASH_TP)) {
|
|
InputTypeArg = TCTP;
|
|
InputType = TCTP->getOption().matches(options::OPT__SLASH_TC)
|
|
? types::TY_C : types::TY_CXX;
|
|
|
|
arg_iterator it = Args.filtered_begin(options::OPT__SLASH_TC,
|
|
options::OPT__SLASH_TP);
|
|
const arg_iterator ie = Args.filtered_end();
|
|
Arg *Previous = *it++;
|
|
bool ShowNote = false;
|
|
while (it != ie) {
|
|
Diag(clang::diag::warn_drv_overriding_flag_option)
|
|
<< Previous->getSpelling() << (*it)->getSpelling();
|
|
Previous = *it++;
|
|
ShowNote = true;
|
|
}
|
|
if (ShowNote)
|
|
Diag(clang::diag::note_drv_t_option_is_global);
|
|
|
|
// No driver mode exposes -x and /TC or /TP; we don't support mixing them.
|
|
assert(!Args.hasArg(options::OPT_x) && "-x and /TC or /TP is not allowed");
|
|
}
|
|
|
|
for (ArgList::const_iterator it = Args.begin(), ie = Args.end();
|
|
it != ie; ++it) {
|
|
Arg *A = *it;
|
|
|
|
if (A->getOption().getKind() == Option::InputClass) {
|
|
const char *Value = A->getValue();
|
|
types::ID Ty = types::TY_INVALID;
|
|
|
|
// Infer the input type if necessary.
|
|
if (InputType == types::TY_Nothing) {
|
|
// If there was an explicit arg for this, claim it.
|
|
if (InputTypeArg)
|
|
InputTypeArg->claim();
|
|
|
|
// stdin must be handled specially.
|
|
if (memcmp(Value, "-", 2) == 0) {
|
|
// If running with -E, treat as a C input (this changes the builtin
|
|
// macros, for example). This may be overridden by -ObjC below.
|
|
//
|
|
// Otherwise emit an error but still use a valid type to avoid
|
|
// spurious errors (e.g., no inputs).
|
|
if (!Args.hasArgNoClaim(options::OPT_E) && !CCCIsCPP())
|
|
Diag(clang::diag::err_drv_unknown_stdin_type);
|
|
Ty = types::TY_C;
|
|
} else {
|
|
// Otherwise lookup by extension.
|
|
// Fallback is C if invoked as C preprocessor or Object otherwise.
|
|
// We use a host hook here because Darwin at least has its own
|
|
// idea of what .s is.
|
|
if (const char *Ext = strrchr(Value, '.'))
|
|
Ty = TC.LookupTypeForExtension(Ext + 1);
|
|
|
|
if (Ty == types::TY_INVALID) {
|
|
if (CCCIsCPP())
|
|
Ty = types::TY_C;
|
|
else
|
|
Ty = types::TY_Object;
|
|
}
|
|
|
|
// If the driver is invoked as C++ compiler (like clang++ or c++) it
|
|
// should autodetect some input files as C++ for g++ compatibility.
|
|
if (CCCIsCXX()) {
|
|
types::ID OldTy = Ty;
|
|
Ty = types::lookupCXXTypeForCType(Ty);
|
|
|
|
if (Ty != OldTy)
|
|
Diag(clang::diag::warn_drv_treating_input_as_cxx)
|
|
<< getTypeName(OldTy) << getTypeName(Ty);
|
|
}
|
|
}
|
|
|
|
// -ObjC and -ObjC++ override the default language, but only for "source
|
|
// files". We just treat everything that isn't a linker input as a
|
|
// source file.
|
|
//
|
|
// FIXME: Clean this up if we move the phase sequence into the type.
|
|
if (Ty != types::TY_Object) {
|
|
if (Args.hasArg(options::OPT_ObjC))
|
|
Ty = types::TY_ObjC;
|
|
else if (Args.hasArg(options::OPT_ObjCXX))
|
|
Ty = types::TY_ObjCXX;
|
|
}
|
|
} else {
|
|
assert(InputTypeArg && "InputType set w/o InputTypeArg");
|
|
InputTypeArg->claim();
|
|
Ty = InputType;
|
|
}
|
|
|
|
if (DiagnoseInputExistance(*this, Args, Value))
|
|
Inputs.push_back(std::make_pair(Ty, A));
|
|
|
|
} else if (A->getOption().matches(options::OPT__SLASH_Tc)) {
|
|
StringRef Value = A->getValue();
|
|
if (DiagnoseInputExistance(*this, Args, Value)) {
|
|
Arg *InputArg = MakeInputArg(Args, Opts, A->getValue());
|
|
Inputs.push_back(std::make_pair(types::TY_C, InputArg));
|
|
}
|
|
A->claim();
|
|
} else if (A->getOption().matches(options::OPT__SLASH_Tp)) {
|
|
StringRef Value = A->getValue();
|
|
if (DiagnoseInputExistance(*this, Args, Value)) {
|
|
Arg *InputArg = MakeInputArg(Args, Opts, A->getValue());
|
|
Inputs.push_back(std::make_pair(types::TY_CXX, InputArg));
|
|
}
|
|
A->claim();
|
|
} else if (A->getOption().hasFlag(options::LinkerInput)) {
|
|
// Just treat as object type, we could make a special type for this if
|
|
// necessary.
|
|
Inputs.push_back(std::make_pair(types::TY_Object, A));
|
|
|
|
} else if (A->getOption().matches(options::OPT_x)) {
|
|
InputTypeArg = A;
|
|
InputType = types::lookupTypeForTypeSpecifier(A->getValue());
|
|
A->claim();
|
|
|
|
// Follow gcc behavior and treat as linker input for invalid -x
|
|
// options. Its not clear why we shouldn't just revert to unknown; but
|
|
// this isn't very important, we might as well be bug compatible.
|
|
if (!InputType) {
|
|
Diag(clang::diag::err_drv_unknown_language) << A->getValue();
|
|
InputType = types::TY_Object;
|
|
}
|
|
}
|
|
}
|
|
if (CCCIsCPP() && Inputs.empty()) {
|
|
// If called as standalone preprocessor, stdin is processed
|
|
// if no other input is present.
|
|
Arg *A = MakeInputArg(Args, Opts, "-");
|
|
Inputs.push_back(std::make_pair(types::TY_C, A));
|
|
}
|
|
}
|
|
|
|
void Driver::BuildActions(const ToolChain &TC, DerivedArgList &Args,
|
|
const InputList &Inputs, ActionList &Actions) const {
|
|
llvm::PrettyStackTraceString CrashInfo("Building compilation actions");
|
|
|
|
if (!SuppressMissingInputWarning && Inputs.empty()) {
|
|
Diag(clang::diag::err_drv_no_input_files);
|
|
return;
|
|
}
|
|
|
|
Arg *FinalPhaseArg;
|
|
phases::ID FinalPhase = getFinalPhase(Args, &FinalPhaseArg);
|
|
|
|
if (FinalPhase == phases::Link && Args.hasArg(options::OPT_emit_llvm)) {
|
|
Diag(clang::diag::err_drv_emit_llvm_link);
|
|
}
|
|
|
|
// Reject -Z* at the top level, these options should never have been exposed
|
|
// by gcc.
|
|
if (Arg *A = Args.getLastArg(options::OPT_Z_Joined))
|
|
Diag(clang::diag::err_drv_use_of_Z_option) << A->getAsString(Args);
|
|
|
|
// Diagnose misuse of /Fo.
|
|
if (Arg *A = Args.getLastArg(options::OPT__SLASH_Fo)) {
|
|
StringRef V = A->getValue();
|
|
if (V.empty()) {
|
|
// It has to have a value.
|
|
Diag(clang::diag::err_drv_missing_argument) << A->getSpelling() << 1;
|
|
Args.eraseArg(options::OPT__SLASH_Fo);
|
|
} else if (Inputs.size() > 1 && !llvm::sys::path::is_separator(V.back())) {
|
|
// Check whether /Fo tries to name an output file for multiple inputs.
|
|
Diag(clang::diag::err_drv_out_file_argument_with_multiple_sources)
|
|
<< A->getSpelling() << V;
|
|
Args.eraseArg(options::OPT__SLASH_Fo);
|
|
}
|
|
}
|
|
|
|
// Diagnose misuse of /Fa.
|
|
if (Arg *A = Args.getLastArg(options::OPT__SLASH_Fa)) {
|
|
StringRef V = A->getValue();
|
|
if (Inputs.size() > 1 && !llvm::sys::path::is_separator(V.back())) {
|
|
// Check whether /Fa tries to name an asm file for multiple inputs.
|
|
Diag(clang::diag::err_drv_out_file_argument_with_multiple_sources)
|
|
<< A->getSpelling() << V;
|
|
Args.eraseArg(options::OPT__SLASH_Fa);
|
|
}
|
|
}
|
|
|
|
// Diagnose misuse of /Fe.
|
|
if (Arg *A = Args.getLastArg(options::OPT__SLASH_Fe)) {
|
|
if (A->getValue()[0] == '\0') {
|
|
// It has to have a value.
|
|
Diag(clang::diag::err_drv_missing_argument) << A->getSpelling() << 1;
|
|
Args.eraseArg(options::OPT__SLASH_Fe);
|
|
}
|
|
}
|
|
|
|
// Construct the actions to perform.
|
|
ActionList LinkerInputs;
|
|
ActionList SplitInputs;
|
|
llvm::SmallVector<phases::ID, phases::MaxNumberOfPhases> PL;
|
|
for (unsigned i = 0, e = Inputs.size(); i != e; ++i) {
|
|
types::ID InputType = Inputs[i].first;
|
|
const Arg *InputArg = Inputs[i].second;
|
|
|
|
PL.clear();
|
|
types::getCompilationPhases(InputType, PL);
|
|
|
|
// If the first step comes after the final phase we are doing as part of
|
|
// this compilation, warn the user about it.
|
|
phases::ID InitialPhase = PL[0];
|
|
if (InitialPhase > FinalPhase) {
|
|
// Claim here to avoid the more general unused warning.
|
|
InputArg->claim();
|
|
|
|
// Suppress all unused style warnings with -Qunused-arguments
|
|
if (Args.hasArg(options::OPT_Qunused_arguments))
|
|
continue;
|
|
|
|
// Special case when final phase determined by binary name, rather than
|
|
// by a command-line argument with a corresponding Arg.
|
|
if (CCCIsCPP())
|
|
Diag(clang::diag::warn_drv_input_file_unused_by_cpp)
|
|
<< InputArg->getAsString(Args)
|
|
<< getPhaseName(InitialPhase);
|
|
// Special case '-E' warning on a previously preprocessed file to make
|
|
// more sense.
|
|
else if (InitialPhase == phases::Compile &&
|
|
FinalPhase == phases::Preprocess &&
|
|
getPreprocessedType(InputType) == types::TY_INVALID)
|
|
Diag(clang::diag::warn_drv_preprocessed_input_file_unused)
|
|
<< InputArg->getAsString(Args)
|
|
<< !!FinalPhaseArg
|
|
<< FinalPhaseArg ? FinalPhaseArg->getOption().getName() : "";
|
|
else
|
|
Diag(clang::diag::warn_drv_input_file_unused)
|
|
<< InputArg->getAsString(Args)
|
|
<< getPhaseName(InitialPhase)
|
|
<< !!FinalPhaseArg
|
|
<< FinalPhaseArg ? FinalPhaseArg->getOption().getName() : "";
|
|
continue;
|
|
}
|
|
|
|
// Build the pipeline for this file.
|
|
OwningPtr<Action> Current(new InputAction(*InputArg, InputType));
|
|
for (SmallVectorImpl<phases::ID>::iterator
|
|
i = PL.begin(), e = PL.end(); i != e; ++i) {
|
|
phases::ID Phase = *i;
|
|
|
|
// We are done if this step is past what the user requested.
|
|
if (Phase > FinalPhase)
|
|
break;
|
|
|
|
// Queue linker inputs.
|
|
if (Phase == phases::Link) {
|
|
assert((i + 1) == e && "linking must be final compilation step.");
|
|
LinkerInputs.push_back(Current.take());
|
|
break;
|
|
}
|
|
|
|
// Some types skip the assembler phase (e.g., llvm-bc), but we can't
|
|
// encode this in the steps because the intermediate type depends on
|
|
// arguments. Just special case here.
|
|
if (Phase == phases::Assemble && Current->getType() != types::TY_PP_Asm)
|
|
continue;
|
|
|
|
// Otherwise construct the appropriate action.
|
|
Current.reset(ConstructPhaseAction(Args, Phase, Current.take()));
|
|
if (Current->getType() == types::TY_Nothing)
|
|
break;
|
|
}
|
|
|
|
// If we ended with something, add to the output list.
|
|
if (Current)
|
|
Actions.push_back(Current.take());
|
|
}
|
|
|
|
// Add a link action if necessary.
|
|
if (!LinkerInputs.empty())
|
|
Actions.push_back(new LinkJobAction(LinkerInputs, types::TY_Image));
|
|
|
|
// If we are linking, claim any options which are obviously only used for
|
|
// compilation.
|
|
if (FinalPhase == phases::Link && PL.size() == 1) {
|
|
Args.ClaimAllArgs(options::OPT_CompileOnly_Group);
|
|
Args.ClaimAllArgs(options::OPT_cl_compile_Group);
|
|
}
|
|
|
|
// Claim ignored clang-cl options.
|
|
Args.ClaimAllArgs(options::OPT_cl_ignored_Group);
|
|
}
|
|
|
|
Action *Driver::ConstructPhaseAction(const ArgList &Args, phases::ID Phase,
|
|
Action *Input) const {
|
|
llvm::PrettyStackTraceString CrashInfo("Constructing phase actions");
|
|
// Build the appropriate action.
|
|
switch (Phase) {
|
|
case phases::Link: llvm_unreachable("link action invalid here.");
|
|
case phases::Preprocess: {
|
|
types::ID OutputTy;
|
|
// -{M, MM} alter the output type.
|
|
if (Args.hasArg(options::OPT_M, options::OPT_MM)) {
|
|
OutputTy = types::TY_Dependencies;
|
|
} else {
|
|
OutputTy = Input->getType();
|
|
if (!Args.hasFlag(options::OPT_frewrite_includes,
|
|
options::OPT_fno_rewrite_includes, false))
|
|
OutputTy = types::getPreprocessedType(OutputTy);
|
|
assert(OutputTy != types::TY_INVALID &&
|
|
"Cannot preprocess this input type!");
|
|
}
|
|
return new PreprocessJobAction(Input, OutputTy);
|
|
}
|
|
case phases::Precompile: {
|
|
types::ID OutputTy = types::TY_PCH;
|
|
if (Args.hasArg(options::OPT_fsyntax_only)) {
|
|
// Syntax checks should not emit a PCH file
|
|
OutputTy = types::TY_Nothing;
|
|
}
|
|
return new PrecompileJobAction(Input, OutputTy);
|
|
}
|
|
case phases::Compile: {
|
|
if (Args.hasArg(options::OPT_fsyntax_only)) {
|
|
return new CompileJobAction(Input, types::TY_Nothing);
|
|
} else if (Args.hasArg(options::OPT_rewrite_objc)) {
|
|
return new CompileJobAction(Input, types::TY_RewrittenObjC);
|
|
} else if (Args.hasArg(options::OPT_rewrite_legacy_objc)) {
|
|
return new CompileJobAction(Input, types::TY_RewrittenLegacyObjC);
|
|
} else if (Args.hasArg(options::OPT__analyze, options::OPT__analyze_auto)) {
|
|
return new AnalyzeJobAction(Input, types::TY_Plist);
|
|
} else if (Args.hasArg(options::OPT__migrate)) {
|
|
return new MigrateJobAction(Input, types::TY_Remap);
|
|
} else if (Args.hasArg(options::OPT_emit_ast)) {
|
|
return new CompileJobAction(Input, types::TY_AST);
|
|
} else if (Args.hasArg(options::OPT_module_file_info)) {
|
|
return new CompileJobAction(Input, types::TY_ModuleFile);
|
|
} else if (IsUsingLTO(Args)) {
|
|
types::ID Output =
|
|
Args.hasArg(options::OPT_S) ? types::TY_LTO_IR : types::TY_LTO_BC;
|
|
return new CompileJobAction(Input, Output);
|
|
} else if (Args.hasArg(options::OPT_emit_llvm)) {
|
|
types::ID Output =
|
|
Args.hasArg(options::OPT_S) ? types::TY_LLVM_IR : types::TY_LLVM_BC;
|
|
return new CompileJobAction(Input, Output);
|
|
} else {
|
|
return new CompileJobAction(Input, types::TY_PP_Asm);
|
|
}
|
|
}
|
|
case phases::Assemble:
|
|
return new AssembleJobAction(Input, types::TY_Object);
|
|
}
|
|
|
|
llvm_unreachable("invalid phase in ConstructPhaseAction");
|
|
}
|
|
|
|
bool Driver::IsUsingLTO(const ArgList &Args) const {
|
|
if (Args.hasFlag(options::OPT_flto, options::OPT_fno_lto, false))
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
void Driver::BuildJobs(Compilation &C) const {
|
|
llvm::PrettyStackTraceString CrashInfo("Building compilation jobs");
|
|
|
|
Arg *FinalOutput = C.getArgs().getLastArg(options::OPT_o);
|
|
|
|
// It is an error to provide a -o option if we are making multiple output
|
|
// files.
|
|
if (FinalOutput) {
|
|
unsigned NumOutputs = 0;
|
|
for (ActionList::const_iterator it = C.getActions().begin(),
|
|
ie = C.getActions().end(); it != ie; ++it)
|
|
if ((*it)->getType() != types::TY_Nothing)
|
|
++NumOutputs;
|
|
|
|
if (NumOutputs > 1) {
|
|
Diag(clang::diag::err_drv_output_argument_with_multiple_files);
|
|
FinalOutput = 0;
|
|
}
|
|
}
|
|
|
|
// Collect the list of architectures.
|
|
llvm::StringSet<> ArchNames;
|
|
if (C.getDefaultToolChain().getTriple().isOSDarwin()) {
|
|
for (ArgList::const_iterator it = C.getArgs().begin(), ie = C.getArgs().end();
|
|
it != ie; ++it) {
|
|
Arg *A = *it;
|
|
if (A->getOption().matches(options::OPT_arch))
|
|
ArchNames.insert(A->getValue());
|
|
}
|
|
}
|
|
|
|
for (ActionList::const_iterator it = C.getActions().begin(),
|
|
ie = C.getActions().end(); it != ie; ++it) {
|
|
Action *A = *it;
|
|
|
|
// If we are linking an image for multiple archs then the linker wants
|
|
// -arch_multiple and -final_output <final image name>. Unfortunately, this
|
|
// doesn't fit in cleanly because we have to pass this information down.
|
|
//
|
|
// FIXME: This is a hack; find a cleaner way to integrate this into the
|
|
// process.
|
|
const char *LinkingOutput = 0;
|
|
if (isa<LipoJobAction>(A)) {
|
|
if (FinalOutput)
|
|
LinkingOutput = FinalOutput->getValue();
|
|
else
|
|
LinkingOutput = DefaultImageName.c_str();
|
|
}
|
|
|
|
InputInfo II;
|
|
BuildJobsForAction(C, A, &C.getDefaultToolChain(),
|
|
/*BoundArch*/0,
|
|
/*AtTopLevel*/ true,
|
|
/*MultipleArchs*/ ArchNames.size() > 1,
|
|
/*LinkingOutput*/ LinkingOutput,
|
|
II);
|
|
}
|
|
|
|
// If the user passed -Qunused-arguments or there were errors, don't warn
|
|
// about any unused arguments.
|
|
if (Diags.hasErrorOccurred() ||
|
|
C.getArgs().hasArg(options::OPT_Qunused_arguments))
|
|
return;
|
|
|
|
// Claim -### here.
|
|
(void) C.getArgs().hasArg(options::OPT__HASH_HASH_HASH);
|
|
|
|
// Claim --driver-mode, it was handled earlier.
|
|
(void) C.getArgs().hasArg(options::OPT_driver_mode);
|
|
|
|
for (ArgList::const_iterator it = C.getArgs().begin(), ie = C.getArgs().end();
|
|
it != ie; ++it) {
|
|
Arg *A = *it;
|
|
|
|
// FIXME: It would be nice to be able to send the argument to the
|
|
// DiagnosticsEngine, so that extra values, position, and so on could be
|
|
// printed.
|
|
if (!A->isClaimed()) {
|
|
if (A->getOption().hasFlag(options::NoArgumentUnused))
|
|
continue;
|
|
|
|
// Suppress the warning automatically if this is just a flag, and it is an
|
|
// instance of an argument we already claimed.
|
|
const Option &Opt = A->getOption();
|
|
if (Opt.getKind() == Option::FlagClass) {
|
|
bool DuplicateClaimed = false;
|
|
|
|
for (arg_iterator it = C.getArgs().filtered_begin(&Opt),
|
|
ie = C.getArgs().filtered_end(); it != ie; ++it) {
|
|
if ((*it)->isClaimed()) {
|
|
DuplicateClaimed = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (DuplicateClaimed)
|
|
continue;
|
|
}
|
|
|
|
Diag(clang::diag::warn_drv_unused_argument)
|
|
<< A->getAsString(C.getArgs());
|
|
}
|
|
}
|
|
}
|
|
|
|
static const Tool *SelectToolForJob(Compilation &C, const ToolChain *TC,
|
|
const JobAction *JA,
|
|
const ActionList *&Inputs) {
|
|
const Tool *ToolForJob = 0;
|
|
|
|
// See if we should look for a compiler with an integrated assembler. We match
|
|
// bottom up, so what we are actually looking for is an assembler job with a
|
|
// compiler input.
|
|
|
|
if (TC->useIntegratedAs() &&
|
|
!C.getArgs().hasArg(options::OPT_save_temps) &&
|
|
!C.getArgs().hasArg(options::OPT__SLASH_FA) &&
|
|
!C.getArgs().hasArg(options::OPT__SLASH_Fa) &&
|
|
isa<AssembleJobAction>(JA) &&
|
|
Inputs->size() == 1 && isa<CompileJobAction>(*Inputs->begin())) {
|
|
const Tool *Compiler =
|
|
TC->SelectTool(cast<JobAction>(**Inputs->begin()));
|
|
if (!Compiler)
|
|
return NULL;
|
|
if (Compiler->hasIntegratedAssembler()) {
|
|
Inputs = &(*Inputs)[0]->getInputs();
|
|
ToolForJob = Compiler;
|
|
}
|
|
}
|
|
|
|
// Otherwise use the tool for the current job.
|
|
if (!ToolForJob)
|
|
ToolForJob = TC->SelectTool(*JA);
|
|
|
|
// See if we should use an integrated preprocessor. We do so when we have
|
|
// exactly one input, since this is the only use case we care about
|
|
// (irrelevant since we don't support combine yet).
|
|
if (Inputs->size() == 1 && isa<PreprocessJobAction>(*Inputs->begin()) &&
|
|
!C.getArgs().hasArg(options::OPT_no_integrated_cpp) &&
|
|
!C.getArgs().hasArg(options::OPT_traditional_cpp) &&
|
|
!C.getArgs().hasArg(options::OPT_save_temps) &&
|
|
!C.getArgs().hasArg(options::OPT_rewrite_objc) &&
|
|
ToolForJob->hasIntegratedCPP())
|
|
Inputs = &(*Inputs)[0]->getInputs();
|
|
|
|
return ToolForJob;
|
|
}
|
|
|
|
void Driver::BuildJobsForAction(Compilation &C,
|
|
const Action *A,
|
|
const ToolChain *TC,
|
|
const char *BoundArch,
|
|
bool AtTopLevel,
|
|
bool MultipleArchs,
|
|
const char *LinkingOutput,
|
|
InputInfo &Result) const {
|
|
llvm::PrettyStackTraceString CrashInfo("Building compilation jobs");
|
|
|
|
if (const InputAction *IA = dyn_cast<InputAction>(A)) {
|
|
// FIXME: It would be nice to not claim this here; maybe the old scheme of
|
|
// just using Args was better?
|
|
const Arg &Input = IA->getInputArg();
|
|
Input.claim();
|
|
if (Input.getOption().matches(options::OPT_INPUT)) {
|
|
const char *Name = Input.getValue();
|
|
Result = InputInfo(Name, A->getType(), Name);
|
|
} else
|
|
Result = InputInfo(&Input, A->getType(), "");
|
|
return;
|
|
}
|
|
|
|
if (const BindArchAction *BAA = dyn_cast<BindArchAction>(A)) {
|
|
const ToolChain *TC;
|
|
const char *ArchName = BAA->getArchName();
|
|
|
|
if (ArchName)
|
|
TC = &getToolChain(C.getArgs(), ArchName);
|
|
else
|
|
TC = &C.getDefaultToolChain();
|
|
|
|
BuildJobsForAction(C, *BAA->begin(), TC, BAA->getArchName(),
|
|
AtTopLevel, MultipleArchs, LinkingOutput, Result);
|
|
return;
|
|
}
|
|
|
|
const ActionList *Inputs = &A->getInputs();
|
|
|
|
const JobAction *JA = cast<JobAction>(A);
|
|
const Tool *T = SelectToolForJob(C, TC, JA, Inputs);
|
|
if (!T)
|
|
return;
|
|
|
|
// Only use pipes when there is exactly one input.
|
|
InputInfoList InputInfos;
|
|
for (ActionList::const_iterator it = Inputs->begin(), ie = Inputs->end();
|
|
it != ie; ++it) {
|
|
// Treat dsymutil and verify sub-jobs as being at the top-level too, they
|
|
// shouldn't get temporary output names.
|
|
// FIXME: Clean this up.
|
|
bool SubJobAtTopLevel = false;
|
|
if (AtTopLevel && (isa<DsymutilJobAction>(A) || isa<VerifyJobAction>(A)))
|
|
SubJobAtTopLevel = true;
|
|
|
|
InputInfo II;
|
|
BuildJobsForAction(C, *it, TC, BoundArch, SubJobAtTopLevel, MultipleArchs,
|
|
LinkingOutput, II);
|
|
InputInfos.push_back(II);
|
|
}
|
|
|
|
// Always use the first input as the base input.
|
|
const char *BaseInput = InputInfos[0].getBaseInput();
|
|
|
|
// ... except dsymutil actions, which use their actual input as the base
|
|
// input.
|
|
if (JA->getType() == types::TY_dSYM)
|
|
BaseInput = InputInfos[0].getFilename();
|
|
|
|
// Determine the place to write output to, if any.
|
|
if (JA->getType() == types::TY_Nothing)
|
|
Result = InputInfo(A->getType(), BaseInput);
|
|
else
|
|
Result = InputInfo(GetNamedOutputPath(C, *JA, BaseInput, BoundArch,
|
|
AtTopLevel, MultipleArchs),
|
|
A->getType(), BaseInput);
|
|
|
|
if (CCCPrintBindings && !CCGenDiagnostics) {
|
|
llvm::errs() << "# \"" << T->getToolChain().getTripleString() << '"'
|
|
<< " - \"" << T->getName() << "\", inputs: [";
|
|
for (unsigned i = 0, e = InputInfos.size(); i != e; ++i) {
|
|
llvm::errs() << InputInfos[i].getAsString();
|
|
if (i + 1 != e)
|
|
llvm::errs() << ", ";
|
|
}
|
|
llvm::errs() << "], output: " << Result.getAsString() << "\n";
|
|
} else {
|
|
T->ConstructJob(C, *JA, Result, InputInfos,
|
|
C.getArgsForToolChain(TC, BoundArch), LinkingOutput);
|
|
}
|
|
}
|
|
|
|
/// \brief Create output filename based on ArgValue, which could either be a
|
|
/// full filename, filename without extension, or a directory. If ArgValue
|
|
/// does not provide a filename, then use BaseName, and use the extension
|
|
/// suitable for FileType.
|
|
static const char *MakeCLOutputFilename(const ArgList &Args, StringRef ArgValue,
|
|
StringRef BaseName, types::ID FileType) {
|
|
SmallString<128> Filename = ArgValue;
|
|
|
|
if (ArgValue.empty()) {
|
|
// If the argument is empty, output to BaseName in the current dir.
|
|
Filename = BaseName;
|
|
} else if (llvm::sys::path::is_separator(Filename.back())) {
|
|
// If the argument is a directory, output to BaseName in that dir.
|
|
llvm::sys::path::append(Filename, BaseName);
|
|
}
|
|
|
|
if (!llvm::sys::path::has_extension(ArgValue)) {
|
|
// If the argument didn't provide an extension, then set it.
|
|
const char *Extension = types::getTypeTempSuffix(FileType, true);
|
|
|
|
if (FileType == types::TY_Image &&
|
|
Args.hasArg(options::OPT__SLASH_LD, options::OPT__SLASH_LDd)) {
|
|
// The output file is a dll.
|
|
Extension = "dll";
|
|
}
|
|
|
|
llvm::sys::path::replace_extension(Filename, Extension);
|
|
}
|
|
|
|
return Args.MakeArgString(Filename.c_str());
|
|
}
|
|
|
|
const char *Driver::GetNamedOutputPath(Compilation &C,
|
|
const JobAction &JA,
|
|
const char *BaseInput,
|
|
const char *BoundArch,
|
|
bool AtTopLevel,
|
|
bool MultipleArchs) const {
|
|
llvm::PrettyStackTraceString CrashInfo("Computing output path");
|
|
// Output to a user requested destination?
|
|
if (AtTopLevel && !isa<DsymutilJobAction>(JA) &&
|
|
!isa<VerifyJobAction>(JA)) {
|
|
if (Arg *FinalOutput = C.getArgs().getLastArg(options::OPT_o))
|
|
return C.addResultFile(FinalOutput->getValue(), &JA);
|
|
}
|
|
|
|
// Default to writing to stdout?
|
|
if (AtTopLevel && !CCGenDiagnostics &&
|
|
(isa<PreprocessJobAction>(JA) || JA.getType() == types::TY_ModuleFile))
|
|
return "-";
|
|
|
|
// Is this the assembly listing for /FA?
|
|
if (JA.getType() == types::TY_PP_Asm &&
|
|
(C.getArgs().hasArg(options::OPT__SLASH_FA) ||
|
|
C.getArgs().hasArg(options::OPT__SLASH_Fa))) {
|
|
// Use /Fa and the input filename to determine the asm file name.
|
|
StringRef BaseName = llvm::sys::path::filename(BaseInput);
|
|
StringRef FaValue = C.getArgs().getLastArgValue(options::OPT__SLASH_Fa);
|
|
return C.addResultFile(MakeCLOutputFilename(C.getArgs(), FaValue, BaseName,
|
|
JA.getType()), &JA);
|
|
}
|
|
|
|
// Output to a temporary file?
|
|
if ((!AtTopLevel && !C.getArgs().hasArg(options::OPT_save_temps) &&
|
|
!C.getArgs().hasArg(options::OPT__SLASH_Fo)) ||
|
|
CCGenDiagnostics) {
|
|
StringRef Name = llvm::sys::path::filename(BaseInput);
|
|
std::pair<StringRef, StringRef> Split = Name.split('.');
|
|
std::string TmpName =
|
|
GetTemporaryPath(Split.first,
|
|
types::getTypeTempSuffix(JA.getType(), IsCLMode()));
|
|
return C.addTempFile(C.getArgs().MakeArgString(TmpName.c_str()));
|
|
}
|
|
|
|
SmallString<128> BasePath(BaseInput);
|
|
StringRef BaseName;
|
|
|
|
// Dsymutil actions should use the full path.
|
|
if (isa<DsymutilJobAction>(JA) || isa<VerifyJobAction>(JA))
|
|
BaseName = BasePath;
|
|
else
|
|
BaseName = llvm::sys::path::filename(BasePath);
|
|
|
|
// Determine what the derived output name should be.
|
|
const char *NamedOutput;
|
|
|
|
if (JA.getType() == types::TY_Object &&
|
|
C.getArgs().hasArg(options::OPT__SLASH_Fo)) {
|
|
// The /Fo flag decides the object filename.
|
|
StringRef Val = C.getArgs().getLastArg(options::OPT__SLASH_Fo)->getValue();
|
|
NamedOutput = MakeCLOutputFilename(C.getArgs(), Val, BaseName,
|
|
types::TY_Object);
|
|
} else if (JA.getType() == types::TY_Image &&
|
|
C.getArgs().hasArg(options::OPT__SLASH_Fe)) {
|
|
// The /Fe flag names the linked file.
|
|
StringRef Val = C.getArgs().getLastArg(options::OPT__SLASH_Fe)->getValue();
|
|
NamedOutput = MakeCLOutputFilename(C.getArgs(), Val, BaseName,
|
|
types::TY_Image);
|
|
} else if (JA.getType() == types::TY_Image) {
|
|
if (IsCLMode()) {
|
|
// clang-cl uses BaseName for the executable name.
|
|
NamedOutput = MakeCLOutputFilename(C.getArgs(), "", BaseName,
|
|
types::TY_Image);
|
|
} else if (MultipleArchs && BoundArch) {
|
|
SmallString<128> Output(DefaultImageName.c_str());
|
|
Output += "-";
|
|
Output.append(BoundArch);
|
|
NamedOutput = C.getArgs().MakeArgString(Output.c_str());
|
|
} else
|
|
NamedOutput = DefaultImageName.c_str();
|
|
} else {
|
|
const char *Suffix = types::getTypeTempSuffix(JA.getType(), IsCLMode());
|
|
assert(Suffix && "All types used for output should have a suffix.");
|
|
|
|
std::string::size_type End = std::string::npos;
|
|
if (!types::appendSuffixForType(JA.getType()))
|
|
End = BaseName.rfind('.');
|
|
SmallString<128> Suffixed(BaseName.substr(0, End));
|
|
if (MultipleArchs && BoundArch) {
|
|
Suffixed += "-";
|
|
Suffixed.append(BoundArch);
|
|
}
|
|
Suffixed += '.';
|
|
Suffixed += Suffix;
|
|
NamedOutput = C.getArgs().MakeArgString(Suffixed.c_str());
|
|
}
|
|
|
|
// If we're saving temps and the temp file conflicts with the input file,
|
|
// then avoid overwriting input file.
|
|
if (!AtTopLevel && C.getArgs().hasArg(options::OPT_save_temps) &&
|
|
NamedOutput == BaseName) {
|
|
|
|
bool SameFile = false;
|
|
SmallString<256> Result;
|
|
llvm::sys::fs::current_path(Result);
|
|
llvm::sys::path::append(Result, BaseName);
|
|
llvm::sys::fs::equivalent(BaseInput, Result.c_str(), SameFile);
|
|
// Must share the same path to conflict.
|
|
if (SameFile) {
|
|
StringRef Name = llvm::sys::path::filename(BaseInput);
|
|
std::pair<StringRef, StringRef> Split = Name.split('.');
|
|
std::string TmpName =
|
|
GetTemporaryPath(Split.first,
|
|
types::getTypeTempSuffix(JA.getType(), IsCLMode()));
|
|
return C.addTempFile(C.getArgs().MakeArgString(TmpName.c_str()));
|
|
}
|
|
}
|
|
|
|
// As an annoying special case, PCH generation doesn't strip the pathname.
|
|
if (JA.getType() == types::TY_PCH) {
|
|
llvm::sys::path::remove_filename(BasePath);
|
|
if (BasePath.empty())
|
|
BasePath = NamedOutput;
|
|
else
|
|
llvm::sys::path::append(BasePath, NamedOutput);
|
|
return C.addResultFile(C.getArgs().MakeArgString(BasePath.c_str()), &JA);
|
|
} else {
|
|
return C.addResultFile(NamedOutput, &JA);
|
|
}
|
|
}
|
|
|
|
std::string Driver::GetFilePath(const char *Name, const ToolChain &TC) const {
|
|
// Respect a limited subset of the '-Bprefix' functionality in GCC by
|
|
// attempting to use this prefix when looking for file paths.
|
|
for (Driver::prefix_list::const_iterator it = PrefixDirs.begin(),
|
|
ie = PrefixDirs.end(); it != ie; ++it) {
|
|
std::string Dir(*it);
|
|
if (Dir.empty())
|
|
continue;
|
|
if (Dir[0] == '=')
|
|
Dir = SysRoot + Dir.substr(1);
|
|
SmallString<128> P(Dir);
|
|
llvm::sys::path::append(P, Name);
|
|
if (llvm::sys::fs::exists(Twine(P)))
|
|
return P.str();
|
|
}
|
|
|
|
SmallString<128> P(ResourceDir);
|
|
llvm::sys::path::append(P, Name);
|
|
if (llvm::sys::fs::exists(Twine(P)))
|
|
return P.str();
|
|
|
|
const ToolChain::path_list &List = TC.getFilePaths();
|
|
for (ToolChain::path_list::const_iterator
|
|
it = List.begin(), ie = List.end(); it != ie; ++it) {
|
|
std::string Dir(*it);
|
|
if (Dir.empty())
|
|
continue;
|
|
if (Dir[0] == '=')
|
|
Dir = SysRoot + Dir.substr(1);
|
|
SmallString<128> P(Dir);
|
|
llvm::sys::path::append(P, Name);
|
|
if (llvm::sys::fs::exists(Twine(P)))
|
|
return P.str();
|
|
}
|
|
|
|
return Name;
|
|
}
|
|
|
|
std::string Driver::GetProgramPath(const char *Name,
|
|
const ToolChain &TC) const {
|
|
// FIXME: Needs a better variable than DefaultTargetTriple
|
|
std::string TargetSpecificExecutable(DefaultTargetTriple + "-" + Name);
|
|
// Respect a limited subset of the '-Bprefix' functionality in GCC by
|
|
// attempting to use this prefix when looking for program paths.
|
|
for (Driver::prefix_list::const_iterator it = PrefixDirs.begin(),
|
|
ie = PrefixDirs.end(); it != ie; ++it) {
|
|
if (llvm::sys::fs::is_directory(*it)) {
|
|
SmallString<128> P(*it);
|
|
llvm::sys::path::append(P, TargetSpecificExecutable);
|
|
if (llvm::sys::fs::can_execute(Twine(P)))
|
|
return P.str();
|
|
llvm::sys::path::remove_filename(P);
|
|
llvm::sys::path::append(P, Name);
|
|
if (llvm::sys::fs::can_execute(Twine(P)))
|
|
return P.str();
|
|
} else {
|
|
SmallString<128> P(*it + Name);
|
|
if (llvm::sys::fs::can_execute(Twine(P)))
|
|
return P.str();
|
|
}
|
|
}
|
|
|
|
const ToolChain::path_list &List = TC.getProgramPaths();
|
|
for (ToolChain::path_list::const_iterator
|
|
it = List.begin(), ie = List.end(); it != ie; ++it) {
|
|
SmallString<128> P(*it);
|
|
llvm::sys::path::append(P, TargetSpecificExecutable);
|
|
if (llvm::sys::fs::can_execute(Twine(P)))
|
|
return P.str();
|
|
llvm::sys::path::remove_filename(P);
|
|
llvm::sys::path::append(P, Name);
|
|
if (llvm::sys::fs::can_execute(Twine(P)))
|
|
return P.str();
|
|
}
|
|
|
|
// If all else failed, search the path.
|
|
std::string P(llvm::sys::FindProgramByName(TargetSpecificExecutable));
|
|
if (!P.empty())
|
|
return P;
|
|
|
|
P = llvm::sys::FindProgramByName(Name);
|
|
if (!P.empty())
|
|
return P;
|
|
|
|
return Name;
|
|
}
|
|
|
|
std::string Driver::GetTemporaryPath(StringRef Prefix, const char *Suffix)
|
|
const {
|
|
SmallString<128> Path;
|
|
llvm::error_code EC =
|
|
llvm::sys::fs::createTemporaryFile(Prefix, Suffix, Path);
|
|
if (EC) {
|
|
Diag(clang::diag::err_unable_to_make_temp) << EC.message();
|
|
return "";
|
|
}
|
|
|
|
return Path.str();
|
|
}
|
|
|
|
/// \brief Compute target triple from args.
|
|
///
|
|
/// This routine provides the logic to compute a target triple from various
|
|
/// args passed to the driver and the default triple string.
|
|
static llvm::Triple computeTargetTriple(StringRef DefaultTargetTriple,
|
|
const ArgList &Args,
|
|
StringRef DarwinArchName) {
|
|
// FIXME: Already done in Compilation *Driver::BuildCompilation
|
|
if (const Arg *A = Args.getLastArg(options::OPT_target))
|
|
DefaultTargetTriple = A->getValue();
|
|
|
|
llvm::Triple Target(llvm::Triple::normalize(DefaultTargetTriple));
|
|
|
|
// Handle Darwin-specific options available here.
|
|
if (Target.isOSDarwin()) {
|
|
// If an explict Darwin arch name is given, that trumps all.
|
|
if (!DarwinArchName.empty()) {
|
|
Target.setArch(
|
|
tools::darwin::getArchTypeForDarwinArchName(DarwinArchName));
|
|
return Target;
|
|
}
|
|
|
|
// Handle the Darwin '-arch' flag.
|
|
if (Arg *A = Args.getLastArg(options::OPT_arch)) {
|
|
llvm::Triple::ArchType DarwinArch
|
|
= tools::darwin::getArchTypeForDarwinArchName(A->getValue());
|
|
if (DarwinArch != llvm::Triple::UnknownArch)
|
|
Target.setArch(DarwinArch);
|
|
}
|
|
}
|
|
|
|
// Handle pseudo-target flags '-EL' and '-EB'.
|
|
if (Arg *A = Args.getLastArg(options::OPT_EL, options::OPT_EB)) {
|
|
if (A->getOption().matches(options::OPT_EL)) {
|
|
if (Target.getArch() == llvm::Triple::mips)
|
|
Target.setArch(llvm::Triple::mipsel);
|
|
else if (Target.getArch() == llvm::Triple::mips64)
|
|
Target.setArch(llvm::Triple::mips64el);
|
|
} else {
|
|
if (Target.getArch() == llvm::Triple::mipsel)
|
|
Target.setArch(llvm::Triple::mips);
|
|
else if (Target.getArch() == llvm::Triple::mips64el)
|
|
Target.setArch(llvm::Triple::mips64);
|
|
}
|
|
}
|
|
|
|
// Skip further flag support on OSes which don't support '-m32' or '-m64'.
|
|
if (Target.getArchName() == "tce" ||
|
|
Target.getOS() == llvm::Triple::AuroraUX)
|
|
return Target;
|
|
|
|
// Handle pseudo-target flags '-m32' and '-m64'.
|
|
// FIXME: Should this information be in llvm::Triple?
|
|
if (Arg *A = Args.getLastArg(options::OPT_m32, options::OPT_m64)) {
|
|
if (A->getOption().matches(options::OPT_m32)) {
|
|
if (Target.getArch() == llvm::Triple::x86_64)
|
|
Target.setArch(llvm::Triple::x86);
|
|
if (Target.getArch() == llvm::Triple::ppc64)
|
|
Target.setArch(llvm::Triple::ppc);
|
|
} else {
|
|
if (Target.getArch() == llvm::Triple::x86)
|
|
Target.setArch(llvm::Triple::x86_64);
|
|
if (Target.getArch() == llvm::Triple::ppc)
|
|
Target.setArch(llvm::Triple::ppc64);
|
|
}
|
|
}
|
|
|
|
return Target;
|
|
}
|
|
|
|
const ToolChain &Driver::getToolChain(const ArgList &Args,
|
|
StringRef DarwinArchName) const {
|
|
llvm::Triple Target = computeTargetTriple(DefaultTargetTriple, Args,
|
|
DarwinArchName);
|
|
|
|
ToolChain *&TC = ToolChains[Target.str()];
|
|
if (!TC) {
|
|
switch (Target.getOS()) {
|
|
case llvm::Triple::AuroraUX:
|
|
TC = new toolchains::AuroraUX(*this, Target, Args);
|
|
break;
|
|
case llvm::Triple::Darwin:
|
|
case llvm::Triple::MacOSX:
|
|
case llvm::Triple::IOS:
|
|
if (Target.getArch() == llvm::Triple::x86 ||
|
|
Target.getArch() == llvm::Triple::x86_64 ||
|
|
Target.getArch() == llvm::Triple::arm ||
|
|
Target.getArch() == llvm::Triple::thumb)
|
|
TC = new toolchains::DarwinClang(*this, Target, Args);
|
|
else
|
|
TC = new toolchains::Darwin_Generic_GCC(*this, Target, Args);
|
|
break;
|
|
case llvm::Triple::DragonFly:
|
|
TC = new toolchains::DragonFly(*this, Target, Args);
|
|
break;
|
|
case llvm::Triple::OpenBSD:
|
|
TC = new toolchains::OpenBSD(*this, Target, Args);
|
|
break;
|
|
case llvm::Triple::Bitrig:
|
|
TC = new toolchains::Bitrig(*this, Target, Args);
|
|
break;
|
|
case llvm::Triple::NetBSD:
|
|
TC = new toolchains::NetBSD(*this, Target, Args);
|
|
break;
|
|
case llvm::Triple::FreeBSD:
|
|
TC = new toolchains::FreeBSD(*this, Target, Args);
|
|
break;
|
|
case llvm::Triple::Minix:
|
|
TC = new toolchains::Minix(*this, Target, Args);
|
|
break;
|
|
case llvm::Triple::Linux:
|
|
if (Target.getArch() == llvm::Triple::hexagon)
|
|
TC = new toolchains::Hexagon_TC(*this, Target, Args);
|
|
else
|
|
TC = new toolchains::Linux(*this, Target, Args);
|
|
break;
|
|
case llvm::Triple::Solaris:
|
|
TC = new toolchains::Solaris(*this, Target, Args);
|
|
break;
|
|
case llvm::Triple::Win32:
|
|
TC = new toolchains::Windows(*this, Target, Args);
|
|
break;
|
|
case llvm::Triple::MinGW32:
|
|
// FIXME: We need a MinGW toolchain. Fallthrough for now.
|
|
default:
|
|
// TCE is an OSless target
|
|
if (Target.getArchName() == "tce") {
|
|
TC = new toolchains::TCEToolChain(*this, Target, Args);
|
|
break;
|
|
}
|
|
// If Hexagon is configured as an OSless target
|
|
if (Target.getArch() == llvm::Triple::hexagon) {
|
|
TC = new toolchains::Hexagon_TC(*this, Target, Args);
|
|
break;
|
|
}
|
|
if (Target.getArch() == llvm::Triple::xcore) {
|
|
TC = new toolchains::XCore(*this, Target, Args);
|
|
break;
|
|
}
|
|
TC = new toolchains::Generic_GCC(*this, Target, Args);
|
|
break;
|
|
}
|
|
}
|
|
return *TC;
|
|
}
|
|
|
|
bool Driver::ShouldUseClangCompiler(const JobAction &JA) const {
|
|
// Check if user requested no clang, or clang doesn't understand this type (we
|
|
// only handle single inputs for now).
|
|
if (JA.size() != 1 ||
|
|
!types::isAcceptedByClang((*JA.begin())->getType()))
|
|
return false;
|
|
|
|
// Otherwise make sure this is an action clang understands.
|
|
if (!isa<PreprocessJobAction>(JA) && !isa<PrecompileJobAction>(JA) &&
|
|
!isa<CompileJobAction>(JA))
|
|
return false;
|
|
|
|
return true;
|
|
}
|
|
|
|
/// GetReleaseVersion - Parse (([0-9]+)(.([0-9]+)(.([0-9]+)?))?)? and return the
|
|
/// grouped values as integers. Numbers which are not provided are set to 0.
|
|
///
|
|
/// \return True if the entire string was parsed (9.2), or all groups were
|
|
/// parsed (10.3.5extrastuff).
|
|
bool Driver::GetReleaseVersion(const char *Str, unsigned &Major,
|
|
unsigned &Minor, unsigned &Micro,
|
|
bool &HadExtra) {
|
|
HadExtra = false;
|
|
|
|
Major = Minor = Micro = 0;
|
|
if (*Str == '\0')
|
|
return true;
|
|
|
|
char *End;
|
|
Major = (unsigned) strtol(Str, &End, 10);
|
|
if (*Str != '\0' && *End == '\0')
|
|
return true;
|
|
if (*End != '.')
|
|
return false;
|
|
|
|
Str = End+1;
|
|
Minor = (unsigned) strtol(Str, &End, 10);
|
|
if (*Str != '\0' && *End == '\0')
|
|
return true;
|
|
if (*End != '.')
|
|
return false;
|
|
|
|
Str = End+1;
|
|
Micro = (unsigned) strtol(Str, &End, 10);
|
|
if (*Str != '\0' && *End == '\0')
|
|
return true;
|
|
if (Str == End)
|
|
return false;
|
|
HadExtra = true;
|
|
return true;
|
|
}
|
|
|
|
std::pair<unsigned, unsigned> Driver::getIncludeExcludeOptionFlagMasks() const {
|
|
unsigned IncludedFlagsBitmask = 0;
|
|
unsigned ExcludedFlagsBitmask = options::NoDriverOption;
|
|
|
|
if (Mode == CLMode) {
|
|
// Include CL and Core options.
|
|
IncludedFlagsBitmask |= options::CLOption;
|
|
IncludedFlagsBitmask |= options::CoreOption;
|
|
} else {
|
|
ExcludedFlagsBitmask |= options::CLOption;
|
|
}
|
|
|
|
return std::make_pair(IncludedFlagsBitmask, ExcludedFlagsBitmask);
|
|
}
|