Coverage Report

Created: 2019-07-24 05:18

/Users/buildslave/jenkins/workspace/clang-stage2-coverage-R/llvm/include/llvm/DebugInfo/DWARF/DWARFObject.h
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//===- DWARFObject.h --------------------------------------------*- 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_DEBUGINFO_DWARF_DWARFOBJECT_H
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#define LLVM_DEBUGINFO_DWARF_DWARFOBJECT_H
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#include "llvm/DebugInfo/DWARF/DWARFRelocMap.h"
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#include "llvm/DebugInfo/DWARF/DWARFSection.h"
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#include "llvm/Object/ObjectFile.h"
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namespace llvm {
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// This is responsible for low level access to the object file. It
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// knows how to find the required sections and compute relocated
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// values.
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// The default implementations of the get<Section> methods return dummy values.
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// This is to allow clients that only need some of those to implement just the
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// ones they need. We can't use unreachable for as many cases because the parser
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// implementation is eager and will call some of these methods even if the
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// result is not used.
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class DWARFObject {
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  DWARFSection Dummy;
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public:
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1.67k
  virtual ~DWARFObject() = default;
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  virtual StringRef getFileName() const { llvm_unreachable("unimplemented"); }
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  virtual const object::ObjectFile *getFile() const { return nullptr; }
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  virtual ArrayRef<SectionName> getSectionNames() const { return {}; }
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  virtual bool isLittleEndian() const = 0;
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  virtual uint8_t getAddressSize() const { llvm_unreachable("unimplemented"); }
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  virtual void
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  forEachInfoSections(function_ref<void(const DWARFSection &)> F) const {}
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  virtual void
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  forEachTypesSections(function_ref<void(const DWARFSection &)> F) const {}
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  virtual StringRef getAbbrevSection() const { return ""; }
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  virtual const DWARFSection &getLocSection() const { return Dummy; }
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  virtual const DWARFSection &getLoclistsSection() const { return Dummy; }
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  virtual StringRef getARangeSection() const { return ""; }
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  virtual const DWARFSection &getDebugFrameSection() const { return Dummy; }
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  virtual const DWARFSection &getEHFrameSection() const { return Dummy; }
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  virtual const DWARFSection &getLineSection() const { return Dummy; }
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  virtual StringRef getLineStringSection() const { return ""; }
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  virtual StringRef getStringSection() const { return ""; }
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  virtual const DWARFSection &getRangeSection() const { return Dummy; }
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  virtual const DWARFSection &getRnglistsSection() const { return Dummy; }
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  virtual StringRef getMacinfoSection() const { return ""; }
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  virtual const DWARFSection &getPubNamesSection() const { return Dummy; }
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  virtual const DWARFSection &getPubTypesSection() const { return Dummy; }
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  virtual const DWARFSection &getGnuPubNamesSection() const { return Dummy; }
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  virtual const DWARFSection &getGnuPubTypesSection() const { return Dummy; }
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  virtual const DWARFSection &getStringOffsetSection() const { return Dummy; }
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  virtual void
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  forEachInfoDWOSections(function_ref<void(const DWARFSection &)> F) const {}
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  virtual void
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  forEachTypesDWOSections(function_ref<void(const DWARFSection &)> F) const {}
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  virtual StringRef getAbbrevDWOSection() const { return ""; }
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  virtual const DWARFSection &getLineDWOSection() const { return Dummy; }
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  virtual const DWARFSection &getLocDWOSection() const { return Dummy; }
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  virtual StringRef getStringDWOSection() const { return ""; }
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  virtual const DWARFSection &getStringOffsetDWOSection() const {
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    return Dummy;
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  }
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  virtual const DWARFSection &getRangeDWOSection() const { return Dummy; }
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  virtual const DWARFSection &getRnglistsDWOSection() const { return Dummy; }
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  virtual const DWARFSection &getAddrSection() const { return Dummy; }
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  virtual const DWARFSection &getAppleNamesSection() const { return Dummy; }
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  virtual const DWARFSection &getAppleTypesSection() const { return Dummy; }
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  virtual const DWARFSection &getAppleNamespacesSection() const {
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    return Dummy;
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  }
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  virtual const DWARFSection &getDebugNamesSection() const { return Dummy; }
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  virtual const DWARFSection &getAppleObjCSection() const { return Dummy; }
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  virtual StringRef getCUIndexSection() const { return ""; }
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  virtual StringRef getGdbIndexSection() const { return ""; }
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  virtual StringRef getTUIndexSection() const { return ""; }
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  virtual Optional<RelocAddrEntry> find(const DWARFSection &Sec,
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                                        uint64_t Pos) const = 0;
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};
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} // namespace llvm
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#endif