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Change --functions option in llvm-symbolizer tool to accept values "none", "short" or "linkage". Update the tests and docs accordingly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209050 91177308-0d34-0410-b5e6-96231b3b80d8
144 lines
4.0 KiB
C++
144 lines
4.0 KiB
C++
//===-- DIContext.h ---------------------------------------------*- C++ -*-===//
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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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//
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// This file defines DIContext, an abstract data structure that holds
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// debug information data.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_DEBUGINFO_DICONTEXT_H
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#define LLVM_DEBUGINFO_DICONTEXT_H
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#include "llvm/ADT/DenseMap.h"
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#include "llvm/ADT/SmallVector.h"
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#include "llvm/Object/ObjectFile.h"
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#include "llvm/Object/RelocVisitor.h"
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#include "llvm/Support/Casting.h"
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#include "llvm/Support/DataTypes.h"
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#include <string>
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namespace llvm {
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class raw_ostream;
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/// DILineInfo - a format-neutral container for source line information.
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struct DILineInfo {
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std::string FileName;
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std::string FunctionName;
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uint32_t Line;
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uint32_t Column;
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DILineInfo()
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: FileName("<invalid>"), FunctionName("<invalid>"), Line(0), Column(0) {}
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bool operator==(const DILineInfo &RHS) const {
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return Line == RHS.Line && Column == RHS.Column &&
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FileName == RHS.FileName && FunctionName == RHS.FunctionName;
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}
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bool operator!=(const DILineInfo &RHS) const {
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return !(*this == RHS);
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}
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};
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typedef SmallVector<std::pair<uint64_t, DILineInfo>, 16> DILineInfoTable;
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/// DIInliningInfo - a format-neutral container for inlined code description.
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class DIInliningInfo {
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SmallVector<DILineInfo, 4> Frames;
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public:
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DIInliningInfo() {}
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DILineInfo getFrame(unsigned Index) const {
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assert(Index < Frames.size());
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return Frames[Index];
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}
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uint32_t getNumberOfFrames() const {
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return Frames.size();
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}
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void addFrame(const DILineInfo &Frame) {
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Frames.push_back(Frame);
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}
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};
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/// DILineInfoSpecifier - controls which fields of DILineInfo container
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/// should be filled with data.
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struct DILineInfoSpecifier {
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enum class FileLineInfoKind { None, Default, AbsoluteFilePath };
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enum class FunctionNameKind { None, ShortName, LinkageName };
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FileLineInfoKind FLIKind;
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FunctionNameKind FNKind;
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DILineInfoSpecifier(FileLineInfoKind FLIKind = FileLineInfoKind::Default,
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FunctionNameKind FNKind = FunctionNameKind::None)
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: FLIKind(FLIKind), FNKind(FNKind) {}
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};
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/// Selects which debug sections get dumped.
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enum DIDumpType {
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DIDT_Null,
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DIDT_All,
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DIDT_Abbrev,
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DIDT_AbbrevDwo,
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DIDT_Aranges,
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DIDT_Frames,
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DIDT_Info,
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DIDT_InfoDwo,
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DIDT_Types,
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DIDT_TypesDwo,
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DIDT_Line,
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DIDT_LineDwo,
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DIDT_Loc,
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DIDT_LocDwo,
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DIDT_Ranges,
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DIDT_Pubnames,
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DIDT_Pubtypes,
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DIDT_GnuPubnames,
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DIDT_GnuPubtypes,
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DIDT_Str,
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DIDT_StrDwo,
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DIDT_StrOffsetsDwo
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};
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// In place of applying the relocations to the data we've read from disk we use
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// a separate mapping table to the side and checking that at locations in the
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// dwarf where we expect relocated values. This adds a bit of complexity to the
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// dwarf parsing/extraction at the benefit of not allocating memory for the
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// entire size of the debug info sections.
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typedef DenseMap<uint64_t, std::pair<uint8_t, int64_t> > RelocAddrMap;
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class DIContext {
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public:
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enum DIContextKind {
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CK_DWARF
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};
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DIContextKind getKind() const { return Kind; }
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DIContext(DIContextKind K) : Kind(K) {}
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virtual ~DIContext();
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/// getDWARFContext - get a context for binary DWARF data.
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static DIContext *getDWARFContext(object::ObjectFile *);
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virtual void dump(raw_ostream &OS, DIDumpType DumpType = DIDT_All) = 0;
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virtual DILineInfo getLineInfoForAddress(uint64_t Address,
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DILineInfoSpecifier Specifier = DILineInfoSpecifier()) = 0;
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virtual DILineInfoTable getLineInfoForAddressRange(uint64_t Address,
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uint64_t Size, DILineInfoSpecifier Specifier = DILineInfoSpecifier()) = 0;
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virtual DIInliningInfo getInliningInfoForAddress(uint64_t Address,
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DILineInfoSpecifier Specifier = DILineInfoSpecifier()) = 0;
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private:
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const DIContextKind Kind;
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};
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}
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#endif
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