mirror of
https://github.com/capstone-engine/llvm-capstone.git
synced 2024-12-14 03:29:57 +00:00
Revert "[Clang] Move assembler into a separate file"
This reverts commit 2325157c05.
Unfortunately this commit produces linker errors on some builds:
http://lab.llvm.org:8011/#/builders/57/builds/3704
http://lab.llvm.org:8011/#/builders/112/builds/3216
http://lab.llvm.org:8011/#/builders/121/builds/3900
This commit is contained in:
Ayke van Laethem
parent
022da61f6b
commit
0057cc5a21
@ -1,126 +0,0 @@
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//===- AssemblerInvocation.h - Assembler Invocation Helper Data -*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CLANG_FRONTEND_ASSEMBLERINVOCATION_H
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#define LLVM_CLANG_FRONTEND_ASSEMBLERINVOCATION_H
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#include "llvm/MC/MCTargetOptions.h"
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namespace clang {
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/// Helper class for representing a single invocation of the assembler.
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struct AssemblerInvocation {
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/// @name Target Options
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/// @{
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/// The name of the target triple to assemble for.
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std::string Triple;
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/// If given, the name of the target CPU to determine which instructions
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/// are legal.
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std::string CPU;
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/// The list of target specific features to enable or disable -- this should
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/// be a list of strings starting with '+' or '-'.
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std::vector<std::string> Features;
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/// The list of symbol definitions.
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std::vector<std::string> SymbolDefs;
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/// @}
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/// @name Language Options
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/// @{
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std::vector<std::string> IncludePaths;
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unsigned NoInitialTextSection : 1;
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unsigned SaveTemporaryLabels : 1;
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unsigned GenDwarfForAssembly : 1;
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unsigned RelaxELFRelocations : 1;
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unsigned DwarfVersion;
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std::string DwarfDebugFlags;
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std::string DwarfDebugProducer;
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std::string DebugCompilationDir;
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std::map<const std::string, const std::string> DebugPrefixMap;
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llvm::DebugCompressionType CompressDebugSections =
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llvm::DebugCompressionType::None;
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std::string MainFileName;
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std::string SplitDwarfOutput;
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/// @}
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/// @name Frontend Options
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/// @{
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std::string InputFile;
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std::vector<std::string> LLVMArgs;
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std::string OutputPath;
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enum FileType {
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FT_Asm, ///< Assembly (.s) output, transliterate mode.
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FT_Null, ///< No output, for timing purposes.
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FT_Obj ///< Object file output.
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};
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FileType OutputType;
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unsigned ShowHelp : 1;
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unsigned ShowVersion : 1;
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/// @}
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/// @name Transliterate Options
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/// @{
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unsigned OutputAsmVariant;
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unsigned ShowEncoding : 1;
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unsigned ShowInst : 1;
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/// @}
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/// @name Assembler Options
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/// @{
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unsigned RelaxAll : 1;
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unsigned NoExecStack : 1;
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unsigned FatalWarnings : 1;
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unsigned NoWarn : 1;
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unsigned IncrementalLinkerCompatible : 1;
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unsigned EmbedBitcode : 1;
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/// The name of the relocation model to use.
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std::string RelocationModel;
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/// The ABI targeted by the backend. Specified using -target-abi. Empty
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/// otherwise.
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std::string TargetABI;
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/// @}
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public:
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AssemblerInvocation() {
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Triple = "";
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NoInitialTextSection = 0;
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InputFile = "-";
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OutputPath = "-";
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OutputType = FT_Asm;
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OutputAsmVariant = 0;
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ShowInst = 0;
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ShowEncoding = 0;
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RelaxAll = 0;
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NoExecStack = 0;
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FatalWarnings = 0;
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NoWarn = 0;
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IncrementalLinkerCompatible = 0;
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DwarfVersion = 0;
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EmbedBitcode = 0;
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}
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static bool CreateFromArgs(AssemblerInvocation &Res,
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ArrayRef<const char *> Argv,
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DiagnosticsEngine &Diags);
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};
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bool ExecuteAssembler(AssemblerInvocation &Opts, DiagnosticsEngine &Diags);
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} // namespace clang
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#endif // LLVM_CLANG_FRONTEND_ASSEMBLERINVOCATION_H
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@ -1,432 +0,0 @@
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//===- AssemblerInvocation.cpp ---------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "clang/Basic/Diagnostic.h"
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#include "clang/Basic/DiagnosticOptions.h"
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#include "clang/Driver/DriverDiagnostic.h"
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#include "clang/Driver/Options.h"
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#include "clang/Frontend/AssemblerInvocation.h"
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#include "clang/Frontend/FrontendDiagnostic.h"
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#include "clang/Frontend/TextDiagnosticPrinter.h"
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#include "clang/Frontend/Utils.h"
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#include "llvm/ADT/STLExtras.h"
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#include "llvm/ADT/StringSwitch.h"
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#include "llvm/ADT/Triple.h"
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#include "llvm/IR/DataLayout.h"
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#include "llvm/MC/MCAsmBackend.h"
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#include "llvm/MC/MCAsmInfo.h"
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#include "llvm/MC/MCCodeEmitter.h"
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#include "llvm/MC/MCContext.h"
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#include "llvm/MC/MCInstrInfo.h"
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#include "llvm/MC/MCObjectFileInfo.h"
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#include "llvm/MC/MCObjectWriter.h"
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#include "llvm/MC/MCParser/MCAsmParser.h"
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#include "llvm/MC/MCParser/MCTargetAsmParser.h"
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#include "llvm/MC/MCRegisterInfo.h"
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#include "llvm/MC/MCSectionMachO.h"
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#include "llvm/MC/MCStreamer.h"
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#include "llvm/MC/MCSubtargetInfo.h"
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#include "llvm/MC/MCTargetOptions.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/Support/CommandLine.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/FormattedStream.h"
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#include "llvm/Support/Host.h"
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#include "llvm/Support/MemoryBuffer.h"
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#include "llvm/Support/Path.h"
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#include "llvm/Support/Signals.h"
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#include "llvm/Support/SourceMgr.h"
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#include "llvm/Support/TargetRegistry.h"
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#include "llvm/Support/TargetSelect.h"
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#include "llvm/Support/Timer.h"
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#include "llvm/Support/raw_ostream.h"
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#include <memory>
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#include <system_error>
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using namespace clang;
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using namespace clang::driver;
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using namespace clang::driver::options;
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using namespace llvm;
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using namespace llvm::opt;
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namespace clang {
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bool AssemblerInvocation::CreateFromArgs(AssemblerInvocation &Opts,
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ArrayRef<const char *> Argv,
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DiagnosticsEngine &Diags) {
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bool Success = true;
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// Parse the arguments.
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const OptTable &OptTbl = getDriverOptTable();
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const unsigned IncludedFlagsBitmask = options::CC1AsOption;
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unsigned MissingArgIndex, MissingArgCount;
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InputArgList Args = OptTbl.ParseArgs(Argv, MissingArgIndex, MissingArgCount,
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IncludedFlagsBitmask);
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// Check for missing argument error.
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if (MissingArgCount) {
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Diags.Report(diag::err_drv_missing_argument)
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<< Args.getArgString(MissingArgIndex) << MissingArgCount;
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Success = false;
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}
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// Issue errors on unknown arguments.
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for (const Arg *A : Args.filtered(OPT_UNKNOWN)) {
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auto ArgString = A->getAsString(Args);
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std::string Nearest;
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if (OptTbl.findNearest(ArgString, Nearest, IncludedFlagsBitmask) > 1)
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Diags.Report(diag::err_drv_unknown_argument) << ArgString;
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else
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Diags.Report(diag::err_drv_unknown_argument_with_suggestion)
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<< ArgString << Nearest;
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Success = false;
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}
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// Construct the invocation.
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// Target Options
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Opts.Triple = llvm::Triple::normalize(Args.getLastArgValue(OPT_triple));
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Opts.CPU = std::string(Args.getLastArgValue(OPT_target_cpu));
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Opts.Features = Args.getAllArgValues(OPT_target_feature);
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// Use the default target triple if unspecified.
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if (Opts.Triple.empty())
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Opts.Triple = llvm::sys::getDefaultTargetTriple();
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// Language Options
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Opts.IncludePaths = Args.getAllArgValues(OPT_I);
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Opts.NoInitialTextSection = Args.hasArg(OPT_n);
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Opts.SaveTemporaryLabels = Args.hasArg(OPT_msave_temp_labels);
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// Any DebugInfoKind implies GenDwarfForAssembly.
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Opts.GenDwarfForAssembly = Args.hasArg(OPT_debug_info_kind_EQ);
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if (const Arg *A = Args.getLastArg(OPT_compress_debug_sections_EQ)) {
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Opts.CompressDebugSections =
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llvm::StringSwitch<llvm::DebugCompressionType>(A->getValue())
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.Case("none", llvm::DebugCompressionType::None)
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.Case("zlib", llvm::DebugCompressionType::Z)
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.Case("zlib-gnu", llvm::DebugCompressionType::GNU)
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.Default(llvm::DebugCompressionType::None);
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}
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Opts.RelaxELFRelocations = Args.hasArg(OPT_mrelax_relocations);
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Opts.DwarfVersion = getLastArgIntValue(Args, OPT_dwarf_version_EQ, 2, Diags);
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Opts.DwarfDebugFlags =
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std::string(Args.getLastArgValue(OPT_dwarf_debug_flags));
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Opts.DwarfDebugProducer =
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std::string(Args.getLastArgValue(OPT_dwarf_debug_producer));
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Opts.DebugCompilationDir =
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std::string(Args.getLastArgValue(OPT_fdebug_compilation_dir));
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Opts.MainFileName = std::string(Args.getLastArgValue(OPT_main_file_name));
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for (const auto &Arg : Args.getAllArgValues(OPT_fdebug_prefix_map_EQ)) {
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auto Split = StringRef(Arg).split('=');
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Opts.DebugPrefixMap.insert(
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{std::string(Split.first), std::string(Split.second)});
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}
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// Frontend Options
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if (Args.hasArg(OPT_INPUT)) {
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bool First = true;
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for (const Arg *A : Args.filtered(OPT_INPUT)) {
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if (First) {
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Opts.InputFile = A->getValue();
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First = false;
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} else {
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Diags.Report(diag::err_drv_unknown_argument) << A->getAsString(Args);
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Success = false;
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}
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}
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}
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Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm);
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Opts.OutputPath = std::string(Args.getLastArgValue(OPT_o));
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Opts.SplitDwarfOutput =
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std::string(Args.getLastArgValue(OPT_split_dwarf_output));
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if (Arg *A = Args.getLastArg(OPT_filetype)) {
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StringRef Name = A->getValue();
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unsigned OutputType = StringSwitch<unsigned>(Name)
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.Case("asm", FT_Asm)
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.Case("null", FT_Null)
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.Case("obj", FT_Obj)
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.Default(~0U);
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if (OutputType == ~0U) {
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Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name;
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Success = false;
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} else
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Opts.OutputType = FileType(OutputType);
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}
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Opts.ShowHelp = Args.hasArg(OPT_help);
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Opts.ShowVersion = Args.hasArg(OPT_version);
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// Transliterate Options
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Opts.OutputAsmVariant =
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getLastArgIntValue(Args, OPT_output_asm_variant, 0, Diags);
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Opts.ShowEncoding = Args.hasArg(OPT_show_encoding);
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Opts.ShowInst = Args.hasArg(OPT_show_inst);
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// Assemble Options
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Opts.RelaxAll = Args.hasArg(OPT_mrelax_all);
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Opts.NoExecStack = Args.hasArg(OPT_mno_exec_stack);
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Opts.FatalWarnings = Args.hasArg(OPT_massembler_fatal_warnings);
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Opts.NoWarn = Args.hasArg(OPT_massembler_no_warn);
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Opts.RelocationModel =
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std::string(Args.getLastArgValue(OPT_mrelocation_model, "pic"));
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Opts.TargetABI = std::string(Args.getLastArgValue(OPT_target_abi));
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Opts.IncrementalLinkerCompatible =
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Args.hasArg(OPT_mincremental_linker_compatible);
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Opts.SymbolDefs = Args.getAllArgValues(OPT_defsym);
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// EmbedBitcode Option. If -fembed-bitcode is enabled, set the flag.
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// EmbedBitcode behaves the same for all embed options for assembly files.
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if (auto *A = Args.getLastArg(OPT_fembed_bitcode_EQ)) {
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Opts.EmbedBitcode = llvm::StringSwitch<unsigned>(A->getValue())
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.Case("all", 1)
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.Case("bitcode", 1)
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.Case("marker", 1)
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.Default(0);
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}
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return Success;
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}
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static std::unique_ptr<raw_fd_ostream>
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getOutputStream(StringRef Path, DiagnosticsEngine &Diags, bool Binary) {
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// Make sure that the Out file gets unlinked from the disk if we get a
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// SIGINT.
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if (Path != "-")
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sys::RemoveFileOnSignal(Path);
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std::error_code EC;
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auto Out = std::make_unique<raw_fd_ostream>(
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Path, EC, (Binary ? sys::fs::OF_None : sys::fs::OF_Text));
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if (EC) {
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Diags.Report(diag::err_fe_unable_to_open_output) << Path << EC.message();
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return nullptr;
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}
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return Out;
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}
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bool ExecuteAssembler(AssemblerInvocation &Opts, DiagnosticsEngine &Diags) {
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// Get the target specific parser.
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std::string Error;
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const Target *TheTarget = TargetRegistry::lookupTarget(Opts.Triple, Error);
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if (!TheTarget)
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return Diags.Report(diag::err_target_unknown_triple) << Opts.Triple;
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ErrorOr<std::unique_ptr<MemoryBuffer>> Buffer =
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MemoryBuffer::getFileOrSTDIN(Opts.InputFile);
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if (std::error_code EC = Buffer.getError()) {
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Error = EC.message();
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return Diags.Report(diag::err_fe_error_reading) << Opts.InputFile;
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}
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SourceMgr SrcMgr;
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// Tell SrcMgr about this buffer, which is what the parser will pick up.
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unsigned BufferIndex = SrcMgr.AddNewSourceBuffer(std::move(*Buffer), SMLoc());
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// Record the location of the include directories so that the lexer can find
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// it later.
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SrcMgr.setIncludeDirs(Opts.IncludePaths);
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std::unique_ptr<MCRegisterInfo> MRI(TheTarget->createMCRegInfo(Opts.Triple));
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assert(MRI && "Unable to create target register info!");
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MCTargetOptions MCOptions;
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std::unique_ptr<MCAsmInfo> MAI(
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TheTarget->createMCAsmInfo(*MRI, Opts.Triple, MCOptions));
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assert(MAI && "Unable to create target asm info!");
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// Ensure MCAsmInfo initialization occurs before any use, otherwise sections
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// may be created with a combination of default and explicit settings.
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MAI->setCompressDebugSections(Opts.CompressDebugSections);
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MAI->setRelaxELFRelocations(Opts.RelaxELFRelocations);
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bool IsBinary = Opts.OutputType == AssemblerInvocation::FT_Obj;
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if (Opts.OutputPath.empty())
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Opts.OutputPath = "-";
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std::unique_ptr<raw_fd_ostream> FDOS =
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getOutputStream(Opts.OutputPath, Diags, IsBinary);
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if (!FDOS)
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return true;
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std::unique_ptr<raw_fd_ostream> DwoOS;
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if (!Opts.SplitDwarfOutput.empty())
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DwoOS = getOutputStream(Opts.SplitDwarfOutput, Diags, IsBinary);
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// FIXME: This is not pretty. MCContext has a ptr to MCObjectFileInfo and
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// MCObjectFileInfo needs a MCContext reference in order to initialize itself.
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std::unique_ptr<MCObjectFileInfo> MOFI(new MCObjectFileInfo());
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MCContext Ctx(MAI.get(), MRI.get(), MOFI.get(), &SrcMgr, &MCOptions);
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bool PIC = false;
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if (Opts.RelocationModel == "static") {
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PIC = false;
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} else if (Opts.RelocationModel == "pic") {
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PIC = true;
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} else {
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assert(Opts.RelocationModel == "dynamic-no-pic" &&
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"Invalid PIC model!");
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PIC = false;
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}
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MOFI->InitMCObjectFileInfo(Triple(Opts.Triple), PIC, Ctx);
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if (Opts.SaveTemporaryLabels)
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Ctx.setAllowTemporaryLabels(false);
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if (Opts.GenDwarfForAssembly)
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Ctx.setGenDwarfForAssembly(true);
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if (!Opts.DwarfDebugFlags.empty())
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Ctx.setDwarfDebugFlags(StringRef(Opts.DwarfDebugFlags));
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if (!Opts.DwarfDebugProducer.empty())
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Ctx.setDwarfDebugProducer(StringRef(Opts.DwarfDebugProducer));
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if (!Opts.DebugCompilationDir.empty())
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Ctx.setCompilationDir(Opts.DebugCompilationDir);
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else {
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// If no compilation dir is set, try to use the current directory.
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SmallString<128> CWD;
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if (!sys::fs::current_path(CWD))
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Ctx.setCompilationDir(CWD);
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}
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if (!Opts.DebugPrefixMap.empty())
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for (const auto &KV : Opts.DebugPrefixMap)
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Ctx.addDebugPrefixMapEntry(KV.first, KV.second);
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if (!Opts.MainFileName.empty())
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Ctx.setMainFileName(StringRef(Opts.MainFileName));
|
||||
Ctx.setDwarfVersion(Opts.DwarfVersion);
|
||||
if (Opts.GenDwarfForAssembly)
|
||||
Ctx.setGenDwarfRootFile(Opts.InputFile,
|
||||
SrcMgr.getMemoryBuffer(BufferIndex)->getBuffer());
|
||||
|
||||
// Build up the feature string from the target feature list.
|
||||
std::string FS = llvm::join(Opts.Features, ",");
|
||||
|
||||
std::unique_ptr<MCStreamer> Str;
|
||||
|
||||
std::unique_ptr<MCInstrInfo> MCII(TheTarget->createMCInstrInfo());
|
||||
assert(MCII && "Unable to create instruction info!");
|
||||
|
||||
std::unique_ptr<MCSubtargetInfo> STI(
|
||||
TheTarget->createMCSubtargetInfo(Opts.Triple, Opts.CPU, FS));
|
||||
assert(STI && "Unable to create subtarget info!");
|
||||
|
||||
raw_pwrite_stream *Out = FDOS.get();
|
||||
std::unique_ptr<buffer_ostream> BOS;
|
||||
|
||||
MCOptions.MCNoWarn = Opts.NoWarn;
|
||||
MCOptions.MCFatalWarnings = Opts.FatalWarnings;
|
||||
MCOptions.ABIName = Opts.TargetABI;
|
||||
|
||||
// FIXME: There is a bit of code duplication with addPassesToEmitFile.
|
||||
if (Opts.OutputType == AssemblerInvocation::FT_Asm) {
|
||||
MCInstPrinter *IP = TheTarget->createMCInstPrinter(
|
||||
llvm::Triple(Opts.Triple), Opts.OutputAsmVariant, *MAI, *MCII, *MRI);
|
||||
|
||||
std::unique_ptr<MCCodeEmitter> CE;
|
||||
if (Opts.ShowEncoding)
|
||||
CE.reset(TheTarget->createMCCodeEmitter(*MCII, *MRI, Ctx));
|
||||
std::unique_ptr<MCAsmBackend> MAB(
|
||||
TheTarget->createMCAsmBackend(*STI, *MRI, MCOptions));
|
||||
|
||||
auto FOut = std::make_unique<formatted_raw_ostream>(*Out);
|
||||
Str.reset(TheTarget->createAsmStreamer(
|
||||
Ctx, std::move(FOut), /*asmverbose*/ true,
|
||||
/*useDwarfDirectory*/ true, IP, std::move(CE), std::move(MAB),
|
||||
Opts.ShowInst));
|
||||
} else if (Opts.OutputType == AssemblerInvocation::FT_Null) {
|
||||
Str.reset(createNullStreamer(Ctx));
|
||||
} else {
|
||||
assert(Opts.OutputType == AssemblerInvocation::FT_Obj &&
|
||||
"Invalid file type!");
|
||||
if (!FDOS->supportsSeeking()) {
|
||||
BOS = std::make_unique<buffer_ostream>(*FDOS);
|
||||
Out = BOS.get();
|
||||
}
|
||||
|
||||
std::unique_ptr<MCCodeEmitter> CE(
|
||||
TheTarget->createMCCodeEmitter(*MCII, *MRI, Ctx));
|
||||
std::unique_ptr<MCAsmBackend> MAB(
|
||||
TheTarget->createMCAsmBackend(*STI, *MRI, MCOptions));
|
||||
assert(MAB && "Unable to create asm backend!");
|
||||
|
||||
std::unique_ptr<MCObjectWriter> OW =
|
||||
DwoOS ? MAB->createDwoObjectWriter(*Out, *DwoOS)
|
||||
: MAB->createObjectWriter(*Out);
|
||||
|
||||
Triple T(Opts.Triple);
|
||||
Str.reset(TheTarget->createMCObjectStreamer(
|
||||
T, Ctx, std::move(MAB), std::move(OW), std::move(CE), *STI,
|
||||
Opts.RelaxAll, Opts.IncrementalLinkerCompatible,
|
||||
/*DWARFMustBeAtTheEnd*/ true));
|
||||
Str.get()->InitSections(Opts.NoExecStack);
|
||||
}
|
||||
|
||||
// When -fembed-bitcode is passed to clang_as, a 1-byte marker
|
||||
// is emitted in __LLVM,__asm section if the object file is MachO format.
|
||||
if (Opts.EmbedBitcode && Ctx.getObjectFileInfo()->getObjectFileType() ==
|
||||
MCObjectFileInfo::IsMachO) {
|
||||
MCSection *AsmLabel = Ctx.getMachOSection(
|
||||
"__LLVM", "__asm", MachO::S_REGULAR, 4, SectionKind::getReadOnly());
|
||||
Str.get()->SwitchSection(AsmLabel);
|
||||
Str.get()->emitZeros(1);
|
||||
}
|
||||
|
||||
// Assembly to object compilation should leverage assembly info.
|
||||
Str->setUseAssemblerInfoForParsing(true);
|
||||
|
||||
bool Failed = false;
|
||||
|
||||
std::unique_ptr<MCAsmParser> Parser(
|
||||
createMCAsmParser(SrcMgr, Ctx, *Str.get(), *MAI));
|
||||
|
||||
// FIXME: init MCTargetOptions from sanitizer flags here.
|
||||
std::unique_ptr<MCTargetAsmParser> TAP(
|
||||
TheTarget->createMCAsmParser(*STI, *Parser, *MCII, MCOptions));
|
||||
if (!TAP)
|
||||
Failed = Diags.Report(diag::err_target_unknown_triple) << Opts.Triple;
|
||||
|
||||
// Set values for symbols, if any.
|
||||
for (auto &S : Opts.SymbolDefs) {
|
||||
auto Pair = StringRef(S).split('=');
|
||||
auto Sym = Pair.first;
|
||||
auto Val = Pair.second;
|
||||
int64_t Value;
|
||||
// We have already error checked this in the driver.
|
||||
Val.getAsInteger(0, Value);
|
||||
Ctx.setSymbolValue(Parser->getStreamer(), Sym, Value);
|
||||
}
|
||||
|
||||
if (!Failed) {
|
||||
Parser->setTargetParser(*TAP.get());
|
||||
Failed = Parser->Run(Opts.NoInitialTextSection);
|
||||
}
|
||||
|
||||
// Parser has a reference to the output stream (Str), so close Parser first.
|
||||
Parser.reset();
|
||||
Str.reset();
|
||||
// Close the output stream early.
|
||||
BOS.reset();
|
||||
FDOS.reset();
|
||||
|
||||
// Delete output file if there were errors.
|
||||
if (Failed) {
|
||||
if (Opts.OutputPath != "-")
|
||||
sys::fs::remove(Opts.OutputPath);
|
||||
if (!Opts.SplitDwarfOutput.empty() && Opts.SplitDwarfOutput != "-")
|
||||
sys::fs::remove(Opts.SplitDwarfOutput);
|
||||
}
|
||||
|
||||
return Failed;
|
||||
}
|
||||
|
||||
} // namespace clang
|
||||
@ -9,7 +9,6 @@ set(LLVM_LINK_COMPONENTS
|
||||
)
|
||||
|
||||
add_clang_library(clangFrontend
|
||||
AssemblerInvocation.cpp
|
||||
ASTConsumers.cpp
|
||||
ASTMerge.cpp
|
||||
ASTUnit.cpp
|
||||
|
||||
@ -15,7 +15,6 @@
|
||||
#include "clang/Basic/DiagnosticOptions.h"
|
||||
#include "clang/Driver/DriverDiagnostic.h"
|
||||
#include "clang/Driver/Options.h"
|
||||
#include "clang/Frontend/AssemblerInvocation.h"
|
||||
#include "clang/Frontend/FrontendDiagnostic.h"
|
||||
#include "clang/Frontend/TextDiagnosticPrinter.h"
|
||||
#include "clang/Frontend/Utils.h"
|
||||
@ -57,9 +56,493 @@
|
||||
#include <memory>
|
||||
#include <system_error>
|
||||
using namespace clang;
|
||||
using namespace clang::driver;
|
||||
using namespace clang::driver::options;
|
||||
using namespace llvm;
|
||||
using namespace llvm::opt;
|
||||
|
||||
namespace {
|
||||
|
||||
/// Helper class for representing a single invocation of the assembler.
|
||||
struct AssemblerInvocation {
|
||||
/// @name Target Options
|
||||
/// @{
|
||||
|
||||
/// The name of the target triple to assemble for.
|
||||
std::string Triple;
|
||||
|
||||
/// If given, the name of the target CPU to determine which instructions
|
||||
/// are legal.
|
||||
std::string CPU;
|
||||
|
||||
/// The list of target specific features to enable or disable -- this should
|
||||
/// be a list of strings starting with '+' or '-'.
|
||||
std::vector<std::string> Features;
|
||||
|
||||
/// The list of symbol definitions.
|
||||
std::vector<std::string> SymbolDefs;
|
||||
|
||||
/// @}
|
||||
/// @name Language Options
|
||||
/// @{
|
||||
|
||||
std::vector<std::string> IncludePaths;
|
||||
unsigned NoInitialTextSection : 1;
|
||||
unsigned SaveTemporaryLabels : 1;
|
||||
unsigned GenDwarfForAssembly : 1;
|
||||
unsigned RelaxELFRelocations : 1;
|
||||
unsigned DwarfVersion;
|
||||
std::string DwarfDebugFlags;
|
||||
std::string DwarfDebugProducer;
|
||||
std::string DebugCompilationDir;
|
||||
std::map<const std::string, const std::string> DebugPrefixMap;
|
||||
llvm::DebugCompressionType CompressDebugSections =
|
||||
llvm::DebugCompressionType::None;
|
||||
std::string MainFileName;
|
||||
std::string SplitDwarfOutput;
|
||||
|
||||
/// @}
|
||||
/// @name Frontend Options
|
||||
/// @{
|
||||
|
||||
std::string InputFile;
|
||||
std::vector<std::string> LLVMArgs;
|
||||
std::string OutputPath;
|
||||
enum FileType {
|
||||
FT_Asm, ///< Assembly (.s) output, transliterate mode.
|
||||
FT_Null, ///< No output, for timing purposes.
|
||||
FT_Obj ///< Object file output.
|
||||
};
|
||||
FileType OutputType;
|
||||
unsigned ShowHelp : 1;
|
||||
unsigned ShowVersion : 1;
|
||||
|
||||
/// @}
|
||||
/// @name Transliterate Options
|
||||
/// @{
|
||||
|
||||
unsigned OutputAsmVariant;
|
||||
unsigned ShowEncoding : 1;
|
||||
unsigned ShowInst : 1;
|
||||
|
||||
/// @}
|
||||
/// @name Assembler Options
|
||||
/// @{
|
||||
|
||||
unsigned RelaxAll : 1;
|
||||
unsigned NoExecStack : 1;
|
||||
unsigned FatalWarnings : 1;
|
||||
unsigned NoWarn : 1;
|
||||
unsigned IncrementalLinkerCompatible : 1;
|
||||
unsigned EmbedBitcode : 1;
|
||||
|
||||
/// The name of the relocation model to use.
|
||||
std::string RelocationModel;
|
||||
|
||||
/// The ABI targeted by the backend. Specified using -target-abi. Empty
|
||||
/// otherwise.
|
||||
std::string TargetABI;
|
||||
|
||||
/// @}
|
||||
|
||||
public:
|
||||
AssemblerInvocation() {
|
||||
Triple = "";
|
||||
NoInitialTextSection = 0;
|
||||
InputFile = "-";
|
||||
OutputPath = "-";
|
||||
OutputType = FT_Asm;
|
||||
OutputAsmVariant = 0;
|
||||
ShowInst = 0;
|
||||
ShowEncoding = 0;
|
||||
RelaxAll = 0;
|
||||
NoExecStack = 0;
|
||||
FatalWarnings = 0;
|
||||
NoWarn = 0;
|
||||
IncrementalLinkerCompatible = 0;
|
||||
DwarfVersion = 0;
|
||||
EmbedBitcode = 0;
|
||||
}
|
||||
|
||||
static bool CreateFromArgs(AssemblerInvocation &Res,
|
||||
ArrayRef<const char *> Argv,
|
||||
DiagnosticsEngine &Diags);
|
||||
};
|
||||
|
||||
}
|
||||
|
||||
bool AssemblerInvocation::CreateFromArgs(AssemblerInvocation &Opts,
|
||||
ArrayRef<const char *> Argv,
|
||||
DiagnosticsEngine &Diags) {
|
||||
bool Success = true;
|
||||
|
||||
// Parse the arguments.
|
||||
const OptTable &OptTbl = getDriverOptTable();
|
||||
|
||||
const unsigned IncludedFlagsBitmask = options::CC1AsOption;
|
||||
unsigned MissingArgIndex, MissingArgCount;
|
||||
InputArgList Args = OptTbl.ParseArgs(Argv, MissingArgIndex, MissingArgCount,
|
||||
IncludedFlagsBitmask);
|
||||
|
||||
// Check for missing argument error.
|
||||
if (MissingArgCount) {
|
||||
Diags.Report(diag::err_drv_missing_argument)
|
||||
<< Args.getArgString(MissingArgIndex) << MissingArgCount;
|
||||
Success = false;
|
||||
}
|
||||
|
||||
// Issue errors on unknown arguments.
|
||||
for (const Arg *A : Args.filtered(OPT_UNKNOWN)) {
|
||||
auto ArgString = A->getAsString(Args);
|
||||
std::string Nearest;
|
||||
if (OptTbl.findNearest(ArgString, Nearest, IncludedFlagsBitmask) > 1)
|
||||
Diags.Report(diag::err_drv_unknown_argument) << ArgString;
|
||||
else
|
||||
Diags.Report(diag::err_drv_unknown_argument_with_suggestion)
|
||||
<< ArgString << Nearest;
|
||||
Success = false;
|
||||
}
|
||||
|
||||
// Construct the invocation.
|
||||
|
||||
// Target Options
|
||||
Opts.Triple = llvm::Triple::normalize(Args.getLastArgValue(OPT_triple));
|
||||
Opts.CPU = std::string(Args.getLastArgValue(OPT_target_cpu));
|
||||
Opts.Features = Args.getAllArgValues(OPT_target_feature);
|
||||
|
||||
// Use the default target triple if unspecified.
|
||||
if (Opts.Triple.empty())
|
||||
Opts.Triple = llvm::sys::getDefaultTargetTriple();
|
||||
|
||||
// Language Options
|
||||
Opts.IncludePaths = Args.getAllArgValues(OPT_I);
|
||||
Opts.NoInitialTextSection = Args.hasArg(OPT_n);
|
||||
Opts.SaveTemporaryLabels = Args.hasArg(OPT_msave_temp_labels);
|
||||
// Any DebugInfoKind implies GenDwarfForAssembly.
|
||||
Opts.GenDwarfForAssembly = Args.hasArg(OPT_debug_info_kind_EQ);
|
||||
|
||||
if (const Arg *A = Args.getLastArg(OPT_compress_debug_sections_EQ)) {
|
||||
Opts.CompressDebugSections =
|
||||
llvm::StringSwitch<llvm::DebugCompressionType>(A->getValue())
|
||||
.Case("none", llvm::DebugCompressionType::None)
|
||||
.Case("zlib", llvm::DebugCompressionType::Z)
|
||||
.Case("zlib-gnu", llvm::DebugCompressionType::GNU)
|
||||
.Default(llvm::DebugCompressionType::None);
|
||||
}
|
||||
|
||||
Opts.RelaxELFRelocations = Args.hasArg(OPT_mrelax_relocations);
|
||||
Opts.DwarfVersion = getLastArgIntValue(Args, OPT_dwarf_version_EQ, 2, Diags);
|
||||
Opts.DwarfDebugFlags =
|
||||
std::string(Args.getLastArgValue(OPT_dwarf_debug_flags));
|
||||
Opts.DwarfDebugProducer =
|
||||
std::string(Args.getLastArgValue(OPT_dwarf_debug_producer));
|
||||
Opts.DebugCompilationDir =
|
||||
std::string(Args.getLastArgValue(OPT_fdebug_compilation_dir));
|
||||
Opts.MainFileName = std::string(Args.getLastArgValue(OPT_main_file_name));
|
||||
|
||||
for (const auto &Arg : Args.getAllArgValues(OPT_fdebug_prefix_map_EQ)) {
|
||||
auto Split = StringRef(Arg).split('=');
|
||||
Opts.DebugPrefixMap.insert(
|
||||
{std::string(Split.first), std::string(Split.second)});
|
||||
}
|
||||
|
||||
// Frontend Options
|
||||
if (Args.hasArg(OPT_INPUT)) {
|
||||
bool First = true;
|
||||
for (const Arg *A : Args.filtered(OPT_INPUT)) {
|
||||
if (First) {
|
||||
Opts.InputFile = A->getValue();
|
||||
First = false;
|
||||
} else {
|
||||
Diags.Report(diag::err_drv_unknown_argument) << A->getAsString(Args);
|
||||
Success = false;
|
||||
}
|
||||
}
|
||||
}
|
||||
Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm);
|
||||
Opts.OutputPath = std::string(Args.getLastArgValue(OPT_o));
|
||||
Opts.SplitDwarfOutput =
|
||||
std::string(Args.getLastArgValue(OPT_split_dwarf_output));
|
||||
if (Arg *A = Args.getLastArg(OPT_filetype)) {
|
||||
StringRef Name = A->getValue();
|
||||
unsigned OutputType = StringSwitch<unsigned>(Name)
|
||||
.Case("asm", FT_Asm)
|
||||
.Case("null", FT_Null)
|
||||
.Case("obj", FT_Obj)
|
||||
.Default(~0U);
|
||||
if (OutputType == ~0U) {
|
||||
Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name;
|
||||
Success = false;
|
||||
} else
|
||||
Opts.OutputType = FileType(OutputType);
|
||||
}
|
||||
Opts.ShowHelp = Args.hasArg(OPT_help);
|
||||
Opts.ShowVersion = Args.hasArg(OPT_version);
|
||||
|
||||
// Transliterate Options
|
||||
Opts.OutputAsmVariant =
|
||||
getLastArgIntValue(Args, OPT_output_asm_variant, 0, Diags);
|
||||
Opts.ShowEncoding = Args.hasArg(OPT_show_encoding);
|
||||
Opts.ShowInst = Args.hasArg(OPT_show_inst);
|
||||
|
||||
// Assemble Options
|
||||
Opts.RelaxAll = Args.hasArg(OPT_mrelax_all);
|
||||
Opts.NoExecStack = Args.hasArg(OPT_mno_exec_stack);
|
||||
Opts.FatalWarnings = Args.hasArg(OPT_massembler_fatal_warnings);
|
||||
Opts.NoWarn = Args.hasArg(OPT_massembler_no_warn);
|
||||
Opts.RelocationModel =
|
||||
std::string(Args.getLastArgValue(OPT_mrelocation_model, "pic"));
|
||||
Opts.TargetABI = std::string(Args.getLastArgValue(OPT_target_abi));
|
||||
Opts.IncrementalLinkerCompatible =
|
||||
Args.hasArg(OPT_mincremental_linker_compatible);
|
||||
Opts.SymbolDefs = Args.getAllArgValues(OPT_defsym);
|
||||
|
||||
// EmbedBitcode Option. If -fembed-bitcode is enabled, set the flag.
|
||||
// EmbedBitcode behaves the same for all embed options for assembly files.
|
||||
if (auto *A = Args.getLastArg(OPT_fembed_bitcode_EQ)) {
|
||||
Opts.EmbedBitcode = llvm::StringSwitch<unsigned>(A->getValue())
|
||||
.Case("all", 1)
|
||||
.Case("bitcode", 1)
|
||||
.Case("marker", 1)
|
||||
.Default(0);
|
||||
}
|
||||
|
||||
return Success;
|
||||
}
|
||||
|
||||
static std::unique_ptr<raw_fd_ostream>
|
||||
getOutputStream(StringRef Path, DiagnosticsEngine &Diags, bool Binary) {
|
||||
// Make sure that the Out file gets unlinked from the disk if we get a
|
||||
// SIGINT.
|
||||
if (Path != "-")
|
||||
sys::RemoveFileOnSignal(Path);
|
||||
|
||||
std::error_code EC;
|
||||
auto Out = std::make_unique<raw_fd_ostream>(
|
||||
Path, EC, (Binary ? sys::fs::OF_None : sys::fs::OF_Text));
|
||||
if (EC) {
|
||||
Diags.Report(diag::err_fe_unable_to_open_output) << Path << EC.message();
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
return Out;
|
||||
}
|
||||
|
||||
static bool ExecuteAssembler(AssemblerInvocation &Opts,
|
||||
DiagnosticsEngine &Diags) {
|
||||
// Get the target specific parser.
|
||||
std::string Error;
|
||||
const Target *TheTarget = TargetRegistry::lookupTarget(Opts.Triple, Error);
|
||||
if (!TheTarget)
|
||||
return Diags.Report(diag::err_target_unknown_triple) << Opts.Triple;
|
||||
|
||||
ErrorOr<std::unique_ptr<MemoryBuffer>> Buffer =
|
||||
MemoryBuffer::getFileOrSTDIN(Opts.InputFile);
|
||||
|
||||
if (std::error_code EC = Buffer.getError()) {
|
||||
Error = EC.message();
|
||||
return Diags.Report(diag::err_fe_error_reading) << Opts.InputFile;
|
||||
}
|
||||
|
||||
SourceMgr SrcMgr;
|
||||
|
||||
// Tell SrcMgr about this buffer, which is what the parser will pick up.
|
||||
unsigned BufferIndex = SrcMgr.AddNewSourceBuffer(std::move(*Buffer), SMLoc());
|
||||
|
||||
// Record the location of the include directories so that the lexer can find
|
||||
// it later.
|
||||
SrcMgr.setIncludeDirs(Opts.IncludePaths);
|
||||
|
||||
std::unique_ptr<MCRegisterInfo> MRI(TheTarget->createMCRegInfo(Opts.Triple));
|
||||
assert(MRI && "Unable to create target register info!");
|
||||
|
||||
MCTargetOptions MCOptions;
|
||||
std::unique_ptr<MCAsmInfo> MAI(
|
||||
TheTarget->createMCAsmInfo(*MRI, Opts.Triple, MCOptions));
|
||||
assert(MAI && "Unable to create target asm info!");
|
||||
|
||||
// Ensure MCAsmInfo initialization occurs before any use, otherwise sections
|
||||
// may be created with a combination of default and explicit settings.
|
||||
MAI->setCompressDebugSections(Opts.CompressDebugSections);
|
||||
|
||||
MAI->setRelaxELFRelocations(Opts.RelaxELFRelocations);
|
||||
|
||||
bool IsBinary = Opts.OutputType == AssemblerInvocation::FT_Obj;
|
||||
if (Opts.OutputPath.empty())
|
||||
Opts.OutputPath = "-";
|
||||
std::unique_ptr<raw_fd_ostream> FDOS =
|
||||
getOutputStream(Opts.OutputPath, Diags, IsBinary);
|
||||
if (!FDOS)
|
||||
return true;
|
||||
std::unique_ptr<raw_fd_ostream> DwoOS;
|
||||
if (!Opts.SplitDwarfOutput.empty())
|
||||
DwoOS = getOutputStream(Opts.SplitDwarfOutput, Diags, IsBinary);
|
||||
|
||||
// FIXME: This is not pretty. MCContext has a ptr to MCObjectFileInfo and
|
||||
// MCObjectFileInfo needs a MCContext reference in order to initialize itself.
|
||||
std::unique_ptr<MCObjectFileInfo> MOFI(new MCObjectFileInfo());
|
||||
|
||||
MCContext Ctx(MAI.get(), MRI.get(), MOFI.get(), &SrcMgr, &MCOptions);
|
||||
|
||||
bool PIC = false;
|
||||
if (Opts.RelocationModel == "static") {
|
||||
PIC = false;
|
||||
} else if (Opts.RelocationModel == "pic") {
|
||||
PIC = true;
|
||||
} else {
|
||||
assert(Opts.RelocationModel == "dynamic-no-pic" &&
|
||||
"Invalid PIC model!");
|
||||
PIC = false;
|
||||
}
|
||||
|
||||
MOFI->InitMCObjectFileInfo(Triple(Opts.Triple), PIC, Ctx);
|
||||
if (Opts.SaveTemporaryLabels)
|
||||
Ctx.setAllowTemporaryLabels(false);
|
||||
if (Opts.GenDwarfForAssembly)
|
||||
Ctx.setGenDwarfForAssembly(true);
|
||||
if (!Opts.DwarfDebugFlags.empty())
|
||||
Ctx.setDwarfDebugFlags(StringRef(Opts.DwarfDebugFlags));
|
||||
if (!Opts.DwarfDebugProducer.empty())
|
||||
Ctx.setDwarfDebugProducer(StringRef(Opts.DwarfDebugProducer));
|
||||
if (!Opts.DebugCompilationDir.empty())
|
||||
Ctx.setCompilationDir(Opts.DebugCompilationDir);
|
||||
else {
|
||||
// If no compilation dir is set, try to use the current directory.
|
||||
SmallString<128> CWD;
|
||||
if (!sys::fs::current_path(CWD))
|
||||
Ctx.setCompilationDir(CWD);
|
||||
}
|
||||
if (!Opts.DebugPrefixMap.empty())
|
||||
for (const auto &KV : Opts.DebugPrefixMap)
|
||||
Ctx.addDebugPrefixMapEntry(KV.first, KV.second);
|
||||
if (!Opts.MainFileName.empty())
|
||||
Ctx.setMainFileName(StringRef(Opts.MainFileName));
|
||||
Ctx.setDwarfVersion(Opts.DwarfVersion);
|
||||
if (Opts.GenDwarfForAssembly)
|
||||
Ctx.setGenDwarfRootFile(Opts.InputFile,
|
||||
SrcMgr.getMemoryBuffer(BufferIndex)->getBuffer());
|
||||
|
||||
// Build up the feature string from the target feature list.
|
||||
std::string FS = llvm::join(Opts.Features, ",");
|
||||
|
||||
std::unique_ptr<MCStreamer> Str;
|
||||
|
||||
std::unique_ptr<MCInstrInfo> MCII(TheTarget->createMCInstrInfo());
|
||||
assert(MCII && "Unable to create instruction info!");
|
||||
|
||||
std::unique_ptr<MCSubtargetInfo> STI(
|
||||
TheTarget->createMCSubtargetInfo(Opts.Triple, Opts.CPU, FS));
|
||||
assert(STI && "Unable to create subtarget info!");
|
||||
|
||||
raw_pwrite_stream *Out = FDOS.get();
|
||||
std::unique_ptr<buffer_ostream> BOS;
|
||||
|
||||
MCOptions.MCNoWarn = Opts.NoWarn;
|
||||
MCOptions.MCFatalWarnings = Opts.FatalWarnings;
|
||||
MCOptions.ABIName = Opts.TargetABI;
|
||||
|
||||
// FIXME: There is a bit of code duplication with addPassesToEmitFile.
|
||||
if (Opts.OutputType == AssemblerInvocation::FT_Asm) {
|
||||
MCInstPrinter *IP = TheTarget->createMCInstPrinter(
|
||||
llvm::Triple(Opts.Triple), Opts.OutputAsmVariant, *MAI, *MCII, *MRI);
|
||||
|
||||
std::unique_ptr<MCCodeEmitter> CE;
|
||||
if (Opts.ShowEncoding)
|
||||
CE.reset(TheTarget->createMCCodeEmitter(*MCII, *MRI, Ctx));
|
||||
std::unique_ptr<MCAsmBackend> MAB(
|
||||
TheTarget->createMCAsmBackend(*STI, *MRI, MCOptions));
|
||||
|
||||
auto FOut = std::make_unique<formatted_raw_ostream>(*Out);
|
||||
Str.reset(TheTarget->createAsmStreamer(
|
||||
Ctx, std::move(FOut), /*asmverbose*/ true,
|
||||
/*useDwarfDirectory*/ true, IP, std::move(CE), std::move(MAB),
|
||||
Opts.ShowInst));
|
||||
} else if (Opts.OutputType == AssemblerInvocation::FT_Null) {
|
||||
Str.reset(createNullStreamer(Ctx));
|
||||
} else {
|
||||
assert(Opts.OutputType == AssemblerInvocation::FT_Obj &&
|
||||
"Invalid file type!");
|
||||
if (!FDOS->supportsSeeking()) {
|
||||
BOS = std::make_unique<buffer_ostream>(*FDOS);
|
||||
Out = BOS.get();
|
||||
}
|
||||
|
||||
std::unique_ptr<MCCodeEmitter> CE(
|
||||
TheTarget->createMCCodeEmitter(*MCII, *MRI, Ctx));
|
||||
std::unique_ptr<MCAsmBackend> MAB(
|
||||
TheTarget->createMCAsmBackend(*STI, *MRI, MCOptions));
|
||||
assert(MAB && "Unable to create asm backend!");
|
||||
|
||||
std::unique_ptr<MCObjectWriter> OW =
|
||||
DwoOS ? MAB->createDwoObjectWriter(*Out, *DwoOS)
|
||||
: MAB->createObjectWriter(*Out);
|
||||
|
||||
Triple T(Opts.Triple);
|
||||
Str.reset(TheTarget->createMCObjectStreamer(
|
||||
T, Ctx, std::move(MAB), std::move(OW), std::move(CE), *STI,
|
||||
Opts.RelaxAll, Opts.IncrementalLinkerCompatible,
|
||||
/*DWARFMustBeAtTheEnd*/ true));
|
||||
Str.get()->InitSections(Opts.NoExecStack);
|
||||
}
|
||||
|
||||
// When -fembed-bitcode is passed to clang_as, a 1-byte marker
|
||||
// is emitted in __LLVM,__asm section if the object file is MachO format.
|
||||
if (Opts.EmbedBitcode && Ctx.getObjectFileInfo()->getObjectFileType() ==
|
||||
MCObjectFileInfo::IsMachO) {
|
||||
MCSection *AsmLabel = Ctx.getMachOSection(
|
||||
"__LLVM", "__asm", MachO::S_REGULAR, 4, SectionKind::getReadOnly());
|
||||
Str.get()->SwitchSection(AsmLabel);
|
||||
Str.get()->emitZeros(1);
|
||||
}
|
||||
|
||||
// Assembly to object compilation should leverage assembly info.
|
||||
Str->setUseAssemblerInfoForParsing(true);
|
||||
|
||||
bool Failed = false;
|
||||
|
||||
std::unique_ptr<MCAsmParser> Parser(
|
||||
createMCAsmParser(SrcMgr, Ctx, *Str.get(), *MAI));
|
||||
|
||||
// FIXME: init MCTargetOptions from sanitizer flags here.
|
||||
std::unique_ptr<MCTargetAsmParser> TAP(
|
||||
TheTarget->createMCAsmParser(*STI, *Parser, *MCII, MCOptions));
|
||||
if (!TAP)
|
||||
Failed = Diags.Report(diag::err_target_unknown_triple) << Opts.Triple;
|
||||
|
||||
// Set values for symbols, if any.
|
||||
for (auto &S : Opts.SymbolDefs) {
|
||||
auto Pair = StringRef(S).split('=');
|
||||
auto Sym = Pair.first;
|
||||
auto Val = Pair.second;
|
||||
int64_t Value;
|
||||
// We have already error checked this in the driver.
|
||||
Val.getAsInteger(0, Value);
|
||||
Ctx.setSymbolValue(Parser->getStreamer(), Sym, Value);
|
||||
}
|
||||
|
||||
if (!Failed) {
|
||||
Parser->setTargetParser(*TAP.get());
|
||||
Failed = Parser->Run(Opts.NoInitialTextSection);
|
||||
}
|
||||
|
||||
// Parser has a reference to the output stream (Str), so close Parser first.
|
||||
Parser.reset();
|
||||
Str.reset();
|
||||
// Close the output stream early.
|
||||
BOS.reset();
|
||||
FDOS.reset();
|
||||
|
||||
// Delete output file if there were errors.
|
||||
if (Failed) {
|
||||
if (Opts.OutputPath != "-")
|
||||
sys::fs::remove(Opts.OutputPath);
|
||||
if (!Opts.SplitDwarfOutput.empty() && Opts.SplitDwarfOutput != "-")
|
||||
sys::fs::remove(Opts.SplitDwarfOutput);
|
||||
}
|
||||
|
||||
return Failed;
|
||||
}
|
||||
|
||||
static void LLVMErrorHandler(void *UserData, const std::string &Message,
|
||||
bool GenCrashDiag) {
|
||||
DiagnosticsEngine &Diags = *static_cast<DiagnosticsEngine*>(UserData);
|
||||
@ -95,7 +578,7 @@ int cc1as_main(ArrayRef<const char *> Argv, const char *Argv0, void *MainAddr) {
|
||||
return 1;
|
||||
|
||||
if (Asm.ShowHelp) {
|
||||
clang::driver::getDriverOptTable().PrintHelp(
|
||||
getDriverOptTable().PrintHelp(
|
||||
llvm::outs(), "clang -cc1as [options] file...",
|
||||
"Clang Integrated Assembler",
|
||||
/*Include=*/driver::options::CC1AsOption, /*Exclude=*/0,
|
||||
|
||||
Loading…
Reference in New Issue
Block a user