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d7f003c817
[Symbolizer] Add getModuleSectionIndexForAddress() helper routine The https://reviews.llvm.org/D58194 patch changed symbolizer interface. Particularily it requires not only Address but SectionIndex also. Note object::SectionedAddress parameter: Expected<DILineInfo> symbolizeCode(const std::string &ModuleName, object::SectionedAddress ModuleOffset, StringRef DWPName = ""); There are callers of symbolizer which do not know particular section index. That patch creates getModuleSectionIndexForAddress() routine which will detect section index for the specified address. Thus if caller set ModuleOffset.SectionIndex into object::SectionedAddress::UndefSection state then symbolizer would detect section index using getModuleSectionIndexForAddress routine. Differential Revision: https://reviews.llvm.org/D58848 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@356829 91177308-0d34-0410-b5e6-96231b3b80d8
94 lines
3.4 KiB
C++
94 lines
3.4 KiB
C++
//===- SymbolizableObjectFile.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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//
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// This file declares the SymbolizableObjectFile class.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_DEBUGINFO_SYMBOLIZE_SYMBOLIZABLEOBJECTFILE_H
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#define LLVM_LIB_DEBUGINFO_SYMBOLIZE_SYMBOLIZABLEOBJECTFILE_H
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#include "llvm/ADT/StringRef.h"
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#include "llvm/DebugInfo/DIContext.h"
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#include "llvm/DebugInfo/Symbolize/SymbolizableModule.h"
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#include "llvm/Support/ErrorOr.h"
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#include <cstdint>
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#include <map>
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#include <memory>
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#include <string>
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#include <system_error>
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namespace llvm {
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class DataExtractor;
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namespace symbolize {
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class SymbolizableObjectFile : public SymbolizableModule {
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public:
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static ErrorOr<std::unique_ptr<SymbolizableObjectFile>>
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create(object::ObjectFile *Obj, std::unique_ptr<DIContext> DICtx);
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DILineInfo symbolizeCode(object::SectionedAddress ModuleOffset,
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FunctionNameKind FNKind,
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bool UseSymbolTable) const override;
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DIInliningInfo symbolizeInlinedCode(object::SectionedAddress ModuleOffset,
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FunctionNameKind FNKind,
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bool UseSymbolTable) const override;
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DIGlobal symbolizeData(object::SectionedAddress ModuleOffset) const override;
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// Return true if this is a 32-bit x86 PE COFF module.
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bool isWin32Module() const override;
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// Returns the preferred base of the module, i.e. where the loader would place
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// it in memory assuming there were no conflicts.
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uint64_t getModulePreferredBase() const override;
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private:
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bool shouldOverrideWithSymbolTable(FunctionNameKind FNKind,
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bool UseSymbolTable) const;
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bool getNameFromSymbolTable(object::SymbolRef::Type Type, uint64_t Address,
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std::string &Name, uint64_t &Addr,
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uint64_t &Size) const;
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// For big-endian PowerPC64 ELF, OpdAddress is the address of the .opd
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// (function descriptor) section and OpdExtractor refers to its contents.
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std::error_code addSymbol(const object::SymbolRef &Symbol,
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uint64_t SymbolSize,
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DataExtractor *OpdExtractor = nullptr,
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uint64_t OpdAddress = 0);
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std::error_code addCoffExportSymbols(const object::COFFObjectFile *CoffObj);
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/// Search for the first occurence of specified Address in ObjectFile.
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uint64_t getModuleSectionIndexForAddress(uint64_t Address) const;
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object::ObjectFile *Module;
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std::unique_ptr<DIContext> DebugInfoContext;
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struct SymbolDesc {
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uint64_t Addr;
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// If size is 0, assume that symbol occupies the whole memory range up to
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// the following symbol.
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uint64_t Size;
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friend bool operator<(const SymbolDesc &s1, const SymbolDesc &s2) {
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return s1.Addr < s2.Addr;
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}
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};
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std::map<SymbolDesc, StringRef> Functions;
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std::map<SymbolDesc, StringRef> Objects;
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SymbolizableObjectFile(object::ObjectFile *Obj,
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std::unique_ptr<DIContext> DICtx);
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};
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} // end namespace symbolize
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} // end namespace llvm
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#endif // LLVM_LIB_DEBUGINFO_SYMBOLIZE_SYMBOLIZABLEOBJECTFILE_H
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