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82 lines
2.5 KiB
C++
82 lines
2.5 KiB
C++
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//===- tools/dsymutil/DebugMap.cpp - Generic debug map representation -----===//
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//
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// The LLVM Linker
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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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#include "DebugMap.h"
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#include "llvm/ADT/iterator_range.h"
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#include "llvm/ADT/STLExtras.h"
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#include "llvm/Support/DataTypes.h"
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#include "llvm/Support/Format.h"
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#include "llvm/Support/raw_ostream.h"
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#include <algorithm>
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namespace llvm {
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namespace dsymutil {
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using namespace llvm::object;
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DebugMapObject::DebugMapObject(StringRef ObjectFilename)
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: Filename(ObjectFilename) {}
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bool DebugMapObject::addSymbol(StringRef Name, uint64_t ObjectAddress,
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uint64_t LinkedAddress) {
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auto InsertResult = Symbols.insert(
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std::make_pair(Name, SymbolMapping(ObjectAddress, LinkedAddress)));
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return InsertResult.second;
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}
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void DebugMapObject::print(raw_ostream &OS) const {
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OS << getObjectFilename() << ":\n";
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// Sort the symbols in alphabetical order, like llvm-nm (and to get
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// deterministic output for testing).
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typedef std::pair<StringRef, SymbolMapping> Entry;
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std::vector<Entry> Entries;
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Entries.reserve(Symbols.getNumItems());
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for (const auto &Sym : make_range(Symbols.begin(), Symbols.end()))
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Entries.push_back(std::make_pair(Sym.getKey(), Sym.getValue()));
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std::sort(
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Entries.begin(), Entries.end(),
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[](const Entry &LHS, const Entry &RHS) { return LHS.first < RHS.first; });
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for (const auto &Sym : Entries) {
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OS << format("\t%016" PRIx64 " => %016" PRIx64 "\t%s\n",
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Sym.second.ObjectAddress, Sym.second.BinaryAddress,
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Sym.first.data());
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}
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OS << '\n';
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}
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#ifndef NDEBUG
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void DebugMapObject::dump() const { print(errs()); }
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#endif
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DebugMapObject &DebugMap::addDebugMapObject(StringRef ObjectFilePath) {
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Objects.emplace_back(new DebugMapObject(ObjectFilePath));
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return *Objects.back();
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}
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const DebugMapObject::SymbolMapping *
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DebugMapObject::lookupSymbol(StringRef SymbolName) const {
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StringMap<SymbolMapping>::const_iterator Sym = Symbols.find(SymbolName);
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if (Sym == Symbols.end())
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return nullptr;
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return &Sym->getValue();
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}
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void DebugMap::print(raw_ostream &OS) const {
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OS << "DEBUG MAP: object addr => executable addr\tsymbol name\n";
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for (const auto &Obj : objects())
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Obj->print(OS);
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OS << "END DEBUG MAP\n";
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}
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#ifndef NDEBUG
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void DebugMap::dump() const { print(errs()); }
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#endif
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}
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}
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