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https://github.com/c64scene-ar/llvm-6502.git
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192781 91177308-0d34-0410-b5e6-96231b3b80d8
127 lines
4.0 KiB
C++
127 lines
4.0 KiB
C++
//===-- LLVMSymbolize.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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// Header for LLVM symbolization library.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_SYMBOLIZE_H
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#define LLVM_SYMBOLIZE_H
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#include "llvm/ADT/OwningPtr.h"
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#include "llvm/ADT/SmallVector.h"
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#include "llvm/DebugInfo/DIContext.h"
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#include "llvm/Object/MachOUniversal.h"
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#include "llvm/Object/ObjectFile.h"
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#include "llvm/Support/MemoryBuffer.h"
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#include <map>
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#include <string>
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namespace llvm {
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using namespace object;
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namespace symbolize {
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class ModuleInfo;
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class LLVMSymbolizer {
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public:
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struct Options {
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bool UseSymbolTable : 1;
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bool PrintFunctions : 1;
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bool PrintInlining : 1;
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bool Demangle : 1;
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std::string DefaultArch;
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Options(bool UseSymbolTable = true, bool PrintFunctions = true,
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bool PrintInlining = true, bool Demangle = true,
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std::string DefaultArch = "")
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: UseSymbolTable(UseSymbolTable), PrintFunctions(PrintFunctions),
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PrintInlining(PrintInlining), Demangle(Demangle),
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DefaultArch(DefaultArch) {
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}
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};
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LLVMSymbolizer(const Options &Opts = Options()) : Opts(Opts) {}
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~LLVMSymbolizer() {
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flush();
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}
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// Returns the result of symbolization for module name/offset as
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// a string (possibly containing newlines).
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std::string
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symbolizeCode(const std::string &ModuleName, uint64_t ModuleOffset);
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std::string
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symbolizeData(const std::string &ModuleName, uint64_t ModuleOffset);
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void flush();
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static std::string DemangleName(const std::string &Name);
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private:
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typedef std::pair<Binary*, Binary*> BinaryPair;
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ModuleInfo *getOrCreateModuleInfo(const std::string &ModuleName);
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/// \brief Returns pair of pointers to binary and debug binary.
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BinaryPair getOrCreateBinary(const std::string &Path);
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/// \brief Returns a parsed object file for a given architecture in a
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/// universal binary (or the binary itself if it is an object file).
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ObjectFile *getObjectFileFromBinary(Binary *Bin, const std::string &ArchName);
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std::string printDILineInfo(DILineInfo LineInfo) const;
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static std::string DemangleGlobalName(const std::string &Name);
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// Owns all the parsed binaries and object files.
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SmallVector<Binary*, 4> ParsedBinariesAndObjects;
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// Owns module info objects.
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typedef std::map<std::string, ModuleInfo *> ModuleMapTy;
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ModuleMapTy Modules;
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typedef std::map<std::string, BinaryPair> BinaryMapTy;
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BinaryMapTy BinaryForPath;
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typedef std::map<std::pair<MachOUniversalBinary *, std::string>, ObjectFile *>
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ObjectFileForArchMapTy;
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ObjectFileForArchMapTy ObjectFileForArch;
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Options Opts;
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static const char kBadString[];
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};
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class ModuleInfo {
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public:
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ModuleInfo(ObjectFile *Obj, DIContext *DICtx);
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DILineInfo symbolizeCode(uint64_t ModuleOffset,
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const LLVMSymbolizer::Options &Opts) const;
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DIInliningInfo symbolizeInlinedCode(
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uint64_t ModuleOffset, const LLVMSymbolizer::Options &Opts) const;
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bool symbolizeData(uint64_t ModuleOffset, std::string &Name, uint64_t &Start,
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uint64_t &Size) const;
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private:
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bool getNameFromSymbolTable(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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ObjectFile *Module;
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OwningPtr<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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typedef std::map<SymbolDesc, StringRef> SymbolMapTy;
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SymbolMapTy Functions;
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SymbolMapTy Objects;
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};
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} // namespace symbolize
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} // namespace llvm
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#endif // LLVM_SYMBOLIZE_H
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