1 files changed, 1852 insertions, 0 deletions
diff --git a/3rdParty/Breakpad/src/common/dwarf_cu_to_module_unittest.cc b/3rdParty/Breakpad/src/common/dwarf_cu_to_module_unittest.cc
new file mode 100644
index 0000000..2ce4a60
--- /dev/null
+++ b/3rdParty/Breakpad/src/common/dwarf_cu_to_module_unittest.cc
@@ -0,0 +1,1852 @@
+// Copyright (c) 2010 Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Original author: Jim Blandy <jimb@mozilla.com> <jimb@red-bean.com>
+
+// dwarf_cu_to_module.cc: Unit tests for google_breakpad::DwarfCUToModule.
+
+#include <stdint.h>
+
+#include <string>
+#include <utility>
+#include <vector>
+
+#include "breakpad_googletest_includes.h"
+#include "common/dwarf_cu_to_module.h"
+#include "common/using_std_string.h"
+
+using std::make_pair;
+using std::vector;
+
+using dwarf2reader::DIEHandler;
+using dwarf2reader::DwarfTag;
+using dwarf2reader::DwarfAttribute;
+using dwarf2reader::DwarfForm;
+using dwarf2reader::DwarfInline;
+using dwarf2reader::RootDIEHandler;
+using google_breakpad::DwarfCUToModule;
+using google_breakpad::Module;
+
+using ::testing::_;
+using ::testing::AtMost;
+using ::testing::Invoke;
+using ::testing::Return;
+using ::testing::Test;
+using ::testing::TestWithParam;
+using ::testing::Values;
+using ::testing::ValuesIn;
+
+// Mock classes.
+
+class MockLineToModuleHandler: public DwarfCUToModule::LineToModuleHandler {
+ public:
+  MOCK_METHOD1(StartCompilationUnit, void(const string& compilation_dir));
+  MOCK_METHOD4(ReadProgram, void(const uint8_t *program, uint64 length,
+                                 Module *module, vector<Module::Line> *lines));
+};
+
+class MockWarningReporter: public DwarfCUToModule::WarningReporter {
+ public:
+  MockWarningReporter(const string &filename, uint64 cu_offset)
+      : DwarfCUToModule::WarningReporter(filename, cu_offset) { }
+  MOCK_METHOD1(SetCUName, void(const string &name));
+  MOCK_METHOD2(UnknownSpecification, void(uint64 offset, uint64 target));
+  MOCK_METHOD2(UnknownAbstractOrigin, void(uint64 offset, uint64 target));
+  MOCK_METHOD1(MissingSection, void(const string &section_name));
+  MOCK_METHOD1(BadLineInfoOffset, void(uint64 offset));
+  MOCK_METHOD1(UncoveredFunction, void(const Module::Function &function));
+  MOCK_METHOD1(UncoveredLine, void(const Module::Line &line));
+  MOCK_METHOD1(UnnamedFunction, void(uint64 offset));
+  MOCK_METHOD1(DemangleError, void(const string &input));
+  MOCK_METHOD2(UnhandledInterCUReference, void(uint64 offset, uint64 target));
+};
+
+// A fixture class including all the objects needed to handle a
+// compilation unit, and their entourage. It includes member functions
+// for doing common kinds of setup and tests.
+class CUFixtureBase {
+ public:
+  // If we have:
+  //
+  //   vector<Module::Line> lines;
+  //   AppendLinesFunctor appender(lines);
+  //
+  // then doing:
+  //
+  //   appender(line_program, length, module, line_vector);
+  //
+  // will append lines to the end of line_vector.  We can use this with
+  // MockLineToModuleHandler like this:
+  //
+  //   MockLineToModuleHandler l2m;
+  //   EXPECT_CALL(l2m, ReadProgram(_,_,_,_))
+  //       .WillOnce(DoAll(Invoke(appender), Return()));
+  //
+  // in which case calling l2m with some line vector will append lines.
+  class AppendLinesFunctor {
+   public:
+    explicit AppendLinesFunctor(
+        const vector<Module::Line> *lines) : lines_(lines) { }
+    void operator()(const uint8_t *program, uint64 length,
+                    Module *module, vector<Module::Line> *lines) {
+      lines->insert(lines->end(), lines_->begin(), lines_->end());
+    }
+   private:
+    const vector<Module::Line> *lines_;
+  };
+
+  CUFixtureBase()
+      : module_("module-name", "module-os", "module-arch", "module-id"),
+        file_context_("dwarf-filename", &module_, true),
+        language_(dwarf2reader::DW_LANG_none),
+        language_signed_(false),
+        appender_(&lines_),
+        reporter_("dwarf-filename", 0xcf8f9bb6443d29b5LL),
+        root_handler_(&file_context_, &line_reader_, &reporter_),
+        functions_filled_(false) {
+    // By default, expect no warnings to be reported, and expect the
+    // compilation unit's name to be provided. The test can override
+    // these expectations.
+    EXPECT_CALL(reporter_, SetCUName("compilation-unit-name")).Times(1);
+    EXPECT_CALL(reporter_, UnknownSpecification(_, _)).Times(0);
+    EXPECT_CALL(reporter_, UnknownAbstractOrigin(_, _)).Times(0);
+    EXPECT_CALL(reporter_, MissingSection(_)).Times(0);
+    EXPECT_CALL(reporter_, BadLineInfoOffset(_)).Times(0);
+    EXPECT_CALL(reporter_, UncoveredFunction(_)).Times(0);
+    EXPECT_CALL(reporter_, UncoveredLine(_)).Times(0);
+    EXPECT_CALL(reporter_, UnnamedFunction(_)).Times(0);
+    EXPECT_CALL(reporter_, UnhandledInterCUReference(_, _)).Times(0);
+
+    // By default, expect the line program reader not to be invoked. We
+    // may override this in StartCU.
+    EXPECT_CALL(line_reader_, StartCompilationUnit(_)).Times(0);
+    EXPECT_CALL(line_reader_, ReadProgram(_,_,_,_)).Times(0);
+
+    // The handler will consult this section map to decide what to
+    // pass to our line reader.
+    file_context_.AddSectionToSectionMap(".debug_line",
+                                         dummy_line_program_,
+                                         dummy_line_size_);
+  }
+
+  // Add a line with the given address, size, filename, and line
+  // number to the end of the statement list the handler will receive
+  // when it invokes its LineToModuleHandler. Call this before calling
+  // StartCU.
+  void PushLine(Module::Address address, Module::Address size,
+                const string &filename, int line_number);
+
+  // Use LANGUAGE for the compilation unit. More precisely, arrange
+  // for StartCU to pass the compilation unit's root DIE a
+  // DW_AT_language attribute whose value is LANGUAGE.
+  void SetLanguage(dwarf2reader::DwarfLanguage language) {
+    language_ = language;
+  }
+
+  // If SIGNED true, have StartCU report DW_AT_language as a signed
+  // attribute; if false, have it report it as unsigned.
+  void SetLanguageSigned(bool is_signed) { language_signed_ = is_signed; }
+
+  // Call the handler this.root_handler_'s StartCompilationUnit and
+  // StartRootDIE member functions, passing it appropriate attributes as
+  // determined by prior calls to PushLine and SetLanguage. Leave
+  // this.root_handler_ ready to hear about children: call
+  // this.root_handler_.EndAttributes, but not this.root_handler_.Finish.
+  void StartCU();
+
+  // Have HANDLER process some strange attribute/form/value triples.
+  void ProcessStrangeAttributes(dwarf2reader::DIEHandler *handler);
+
+  // Start a child DIE of PARENT with the given tag and name. Leave
+  // the handler ready to hear about children: call EndAttributes, but
+  // not Finish.
+  DIEHandler *StartNamedDIE(DIEHandler *parent, DwarfTag tag,
+                            const string &name);
+
+  // Start a child DIE of PARENT with the given tag and a
+  // DW_AT_specification attribute whose value is SPECIFICATION. Leave
+  // the handler ready to hear about children: call EndAttributes, but
+  // not Finish. If NAME is non-zero, use it as the DW_AT_name
+  // attribute.
+  DIEHandler *StartSpecifiedDIE(DIEHandler *parent, DwarfTag tag,
+                                uint64 specification, const char *name = NULL);
+
+  // Define a function as a child of PARENT with the given name, address, and
+  // size. If high_pc_form is DW_FORM_addr then the DW_AT_high_pc attribute
+  // will be written as an address; otherwise it will be written as the
+  // function's size. Call EndAttributes and Finish; one cannot define
+  // children of the defined function's DIE.
+  void DefineFunction(DIEHandler *parent, const string &name,
+                      Module::Address address, Module::Address size,
+                      const char* mangled_name,
+                      DwarfForm high_pc_form = dwarf2reader::DW_FORM_addr);
+
+  // Create a declaration DIE as a child of PARENT with the given
+  // offset, tag and name. If NAME is the empty string, don't provide
+  // a DW_AT_name attribute. Call EndAttributes and Finish.
+  void DeclarationDIE(DIEHandler *parent, uint64 offset,
+                      DwarfTag tag, const string &name,
+                      const string &mangled_name);
+
+  // Create a definition DIE as a child of PARENT with the given tag
+  // that refers to the declaration DIE at offset SPECIFICATION as its
+  // specification. If NAME is non-empty, pass it as the DW_AT_name
+  // attribute. If SIZE is non-zero, record ADDRESS and SIZE as
+  // low_pc/high_pc attributes.
+  void DefinitionDIE(DIEHandler *parent, DwarfTag tag,
+                     uint64 specification, const string &name,
+                     Module::Address address = 0, Module::Address size = 0);
+
+  // Create an inline DW_TAG_subprogram DIE as a child of PARENT.  If
+  // SPECIFICATION is non-zero, then the DIE refers to the declaration DIE at
+  // offset SPECIFICATION as its specification.  If Name is non-empty, pass it
+  // as the DW_AT_name attribute.
+  void AbstractInstanceDIE(DIEHandler *parent, uint64 offset,
+                           DwarfInline type, uint64 specification,
+                           const string &name,
+                           DwarfForm form = dwarf2reader::DW_FORM_data1);
+
+  // Create a DW_TAG_subprogram DIE as a child of PARENT that refers to
+  // ORIGIN in its DW_AT_abstract_origin attribute.  If NAME is the empty
+  // string, don't provide a DW_AT_name attribute.
+  void DefineInlineInstanceDIE(DIEHandler *parent, const string &name,
+                               uint64 origin, Module::Address address,
+                               Module::Address size);
+
+  // The following Test* functions should be called after calling
+  // this.root_handler_.Finish. After that point, no further calls
+  // should be made on the handler.
+
+  // Test that the number of functions defined in the module this.module_ is
+  // equal to EXPECTED.
+  void TestFunctionCount(size_t expected);
+
+  // Test that the I'th function (ordered by address) in the module
+  // this.module_ has the given name, address, and size, and that its
+  // parameter size is zero.
+  void TestFunction(int i, const string &name,
+                    Module::Address address, Module::Address size);
+
+  // Test that the number of source lines owned by the I'th function
+  // in the module this.module_ is equal to EXPECTED.
+  void TestLineCount(int i, size_t expected);
+
+  // Test that the J'th line (ordered by address) of the I'th function
+  // (again, by address) has the given address, size, filename, and
+  // line number.
+  void TestLine(int i, int j, Module::Address address, Module::Address size,
+                const string &filename, int number);
+
+  // Actual objects under test.
+  Module module_;
+  DwarfCUToModule::FileContext file_context_;
+
+  // If this is not DW_LANG_none, we'll pass it as a DW_AT_language
+  // attribute to the compilation unit. This defaults to DW_LANG_none.
+  dwarf2reader::DwarfLanguage language_;
+
+  // If this is true, report DW_AT_language as a signed value; if false,
+  // report it as an unsigned value.
+  bool language_signed_;
+
+  // If this is not empty, we'll give the CU a DW_AT_comp_dir attribute that
+  // indicates the path that this compilation unit was compiled in.
+  string compilation_dir_;
+
+  // If this is not empty, we'll give the CU a DW_AT_stmt_list
+  // attribute that, when passed to line_reader_, adds these lines to the
+  // provided lines array.
+  vector<Module::Line> lines_;
+
+  // Mock line program reader.
+  MockLineToModuleHandler line_reader_;
+  AppendLinesFunctor appender_;
+  static const uint8_t dummy_line_program_[];
+  static const size_t dummy_line_size_;
+
+  MockWarningReporter reporter_;
+  DwarfCUToModule root_handler_;
+
+ private:
+  // Fill functions_, if we haven't already.
+  void FillFunctions();
+
+  // If functions_filled_ is true, this is a table of functions we've
+  // extracted from module_, sorted by address.
+  vector<Module::Function *> functions_;
+  // True if we have filled the above vector with this.module_'s function list.
+  bool functions_filled_;
+};
+
+const uint8_t CUFixtureBase::dummy_line_program_[] = "lots of fun data";
+const size_t CUFixtureBase::dummy_line_size_ =
+    sizeof(CUFixtureBase::dummy_line_program_);
+
+void CUFixtureBase::PushLine(Module::Address address, Module::Address size,
+                             const string &filename, int line_number) {
+  Module::Line l;
+  l.address = address;
+  l.size = size;
+  l.file = module_.FindFile(filename);
+  l.number = line_number;
+  lines_.push_back(l);
+}
+
+void CUFixtureBase::StartCU() {
+  if (!compilation_dir_.empty())
+    EXPECT_CALL(line_reader_,
+                StartCompilationUnit(compilation_dir_)).Times(1);
+
+  // If we have lines, make the line reader expect to be invoked at
+  // most once. (Hey, if the handler can pass its tests without
+  // bothering to read the line number data, that's great.)
+  // Have it add the lines passed to PushLine. Otherwise, leave the
+  // initial expectation (no calls) in force.
+  if (!lines_.empty())
+    EXPECT_CALL(line_reader_,
+                ReadProgram(&dummy_line_program_[0], dummy_line_size_,
+                            &module_, _))
+        .Times(AtMost(1))
+        .WillOnce(DoAll(Invoke(appender_), Return()));
+
+  ASSERT_TRUE(root_handler_
+              .StartCompilationUnit(0x51182ec307610b51ULL, 0x81, 0x44,
+                                    0x4241b4f33720dd5cULL, 3));
+  {
+    ASSERT_TRUE(root_handler_.StartRootDIE(0x02e56bfbda9e7337ULL,
+                                           dwarf2reader::DW_TAG_compile_unit));
+  }
+  root_handler_.ProcessAttributeString(dwarf2reader::DW_AT_name,
+                                       dwarf2reader::DW_FORM_strp,
+                                       "compilation-unit-name");
+  if (!compilation_dir_.empty())
+    root_handler_.ProcessAttributeString(dwarf2reader::DW_AT_comp_dir,
+                                         dwarf2reader::DW_FORM_strp,
+                                         compilation_dir_);
+  if (!lines_.empty())
+    root_handler_.ProcessAttributeUnsigned(dwarf2reader::DW_AT_stmt_list,
+                                           dwarf2reader::DW_FORM_ref4,
+                                           0);
+  if (language_ != dwarf2reader::DW_LANG_none) {
+    if (language_signed_)
+      root_handler_.ProcessAttributeSigned(dwarf2reader::DW_AT_language,
+                                           dwarf2reader::DW_FORM_sdata,
+                                           language_);
+    else
+      root_handler_.ProcessAttributeUnsigned(dwarf2reader::DW_AT_language,
+                                             dwarf2reader::DW_FORM_udata,
+                                             language_);
+  }
+  ASSERT_TRUE(root_handler_.EndAttributes());
+}
+
+void CUFixtureBase::ProcessStrangeAttributes(
+    dwarf2reader::DIEHandler *handler) {
+  handler->ProcessAttributeUnsigned((DwarfAttribute) 0xf560dead,
+                                    (DwarfForm) 0x4106e4db,
+                                    0xa592571997facda1ULL);
+  handler->ProcessAttributeSigned((DwarfAttribute) 0x85380095,
+                                  (DwarfForm) 0x0f16fe87,
+                                  0x12602a4e3bf1f446LL);
+  handler->ProcessAttributeReference((DwarfAttribute) 0xf7f7480f,
+                                     (DwarfForm) 0x829e038a,
+                                     0x50fddef44734fdecULL);
+  static const uint8_t buffer[10] = "frobynode";
+  handler->ProcessAttributeBuffer((DwarfAttribute) 0xa55ffb51,
+                                  (DwarfForm) 0x2f43b041,
+                                  buffer, sizeof(buffer));
+  handler->ProcessAttributeString((DwarfAttribute) 0x2f43b041,
+                                  (DwarfForm) 0x895ffa23,
+                                  "strange string");
+}
+
+DIEHandler *CUFixtureBase::StartNamedDIE(DIEHandler *parent,
+                                         DwarfTag tag,
+                                         const string &name) {
+  dwarf2reader::DIEHandler *handler
+    = parent->FindChildHandler(0x8f4c783c0467c989ULL, tag);
+  if (!handler)
+    return NULL;
+  handler->ProcessAttributeString(dwarf2reader::DW_AT_name,
+                                  dwarf2reader::DW_FORM_strp,
+                                  name);
+  ProcessStrangeAttributes(handler);
+  if (!handler->EndAttributes()) {
+    handler->Finish();
+    delete handler;
+    return NULL;
+  }
+
+  return handler;
+}
+
+DIEHandler *CUFixtureBase::StartSpecifiedDIE(DIEHandler *parent,
+                                             DwarfTag tag,
+                                             uint64 specification,
+                                             const char *name) {
+  dwarf2reader::DIEHandler *handler
+    = parent->FindChildHandler(0x8f4c783c0467c989ULL, tag);
+  if (!handler)
+    return NULL;
+  if (name)
+    handler->ProcessAttributeString(dwarf2reader::DW_AT_name,
+                                    dwarf2reader::DW_FORM_strp,
+                                    name);
+  handler->ProcessAttributeReference(dwarf2reader::DW_AT_specification,
+                                     dwarf2reader::DW_FORM_ref4,
+                                     specification);
+  if (!handler->EndAttributes()) {
+    handler->Finish();
+    delete handler;
+    return NULL;
+  }
+
+  return handler;
+}
+
+void CUFixtureBase::DefineFunction(dwarf2reader::DIEHandler *parent,
+                                   const string &name, Module::Address address,
+                                   Module::Address size,
+                                   const char* mangled_name,
+                                   DwarfForm high_pc_form) {
+  dwarf2reader::DIEHandler *func
+      = parent->FindChildHandler(0xe34797c7e68590a8LL,
+                                 dwarf2reader::DW_TAG_subprogram);
+  ASSERT_TRUE(func != NULL);
+  func->ProcessAttributeString(dwarf2reader::DW_AT_name,
+                               dwarf2reader::DW_FORM_strp,
+                               name);
+  func->ProcessAttributeUnsigned(dwarf2reader::DW_AT_low_pc,
+                                 dwarf2reader::DW_FORM_addr,
+                                 address);
+
+  Module::Address high_pc = size;
+  if (high_pc_form == dwarf2reader::DW_FORM_addr) {
+    high_pc += address;
+  }
+  func->ProcessAttributeUnsigned(dwarf2reader::DW_AT_high_pc,
+                                 high_pc_form,
+                                 high_pc);
+
+  if (mangled_name)
+    func->ProcessAttributeString(dwarf2reader::DW_AT_MIPS_linkage_name,
+                                 dwarf2reader::DW_FORM_strp,
+                                 mangled_name);
+
+  ProcessStrangeAttributes(func);
+  EXPECT_TRUE(func->EndAttributes());
+  func->Finish();
+  delete func;
+}
+
+void CUFixtureBase::DeclarationDIE(DIEHandler *parent, uint64 offset,
+                                   DwarfTag tag,
+                                   const string &name,
+                                   const string &mangled_name) {
+  dwarf2reader::DIEHandler *die = parent->FindChildHandler(offset, tag);
+  ASSERT_TRUE(die != NULL);
+  if (!name.empty())
+    die->ProcessAttributeString(dwarf2reader::DW_AT_name,
+                                dwarf2reader::DW_FORM_strp,
+                                name);
+  if (!mangled_name.empty())
+    die->ProcessAttributeString(dwarf2reader::DW_AT_MIPS_linkage_name,
+                                dwarf2reader::DW_FORM_strp,
+                                mangled_name);
+
+  die->ProcessAttributeUnsigned(dwarf2reader::DW_AT_declaration,
+                                dwarf2reader::DW_FORM_flag,
+                                1);
+  EXPECT_TRUE(die->EndAttributes());
+  die->Finish();
+  delete die;
+}
+
+void CUFixtureBase::DefinitionDIE(DIEHandler *parent,
+                                  DwarfTag tag,
+                                  uint64 specification,
+                                  const string &name,
+                                  Module::Address address,
+                                  Module::Address size) {
+  dwarf2reader::DIEHandler *die
+    = parent->FindChildHandler(0x6ccfea031a9e6cc9ULL, tag);
+  ASSERT_TRUE(die != NULL);
+  die->ProcessAttributeReference(dwarf2reader::DW_AT_specification,
+                                 dwarf2reader::DW_FORM_ref4,
+                                 specification);
+  if (!name.empty())
+    die->ProcessAttributeString(dwarf2reader::DW_AT_name,
+                                dwarf2reader::DW_FORM_strp,
+                                name);
+  if (size) {
+    die->ProcessAttributeUnsigned(dwarf2reader::DW_AT_low_pc,
+                                  dwarf2reader::DW_FORM_addr,
+                                  address);
+    die->ProcessAttributeUnsigned(dwarf2reader::DW_AT_high_pc,
+                                  dwarf2reader::DW_FORM_addr,
+                                  address + size);
+  }
+  EXPECT_TRUE(die->EndAttributes());
+  die->Finish();
+  delete die;
+}
+
+void CUFixtureBase::AbstractInstanceDIE(DIEHandler *parent,
+                                        uint64 offset,
+                                        DwarfInline type,
+                                        uint64 specification,
+                                        const string &name,
+                                        DwarfForm form) {
+  dwarf2reader::DIEHandler *die
+    = parent->FindChildHandler(offset, dwarf2reader::DW_TAG_subprogram);
+  ASSERT_TRUE(die != NULL);
+  if (specification != 0ULL)
+    die->ProcessAttributeReference(dwarf2reader::DW_AT_specification,
+                                   dwarf2reader::DW_FORM_ref4,
+                                   specification);
+  if (form == dwarf2reader::DW_FORM_sdata) {
+    die->ProcessAttributeSigned(dwarf2reader::DW_AT_inline, form, type);
+  } else {
+    die->ProcessAttributeUnsigned(dwarf2reader::DW_AT_inline, form, type);
+  }
+  if (!name.empty())
+    die->ProcessAttributeString(dwarf2reader::DW_AT_name,
+                                dwarf2reader::DW_FORM_strp,
+                                name);
+
+  EXPECT_TRUE(die->EndAttributes());
+  die->Finish();
+  delete die;
+}
+
+void CUFixtureBase::DefineInlineInstanceDIE(DIEHandler *parent,
+                                            const string &name,
+                                            uint64 origin,
+                                            Module::Address address,
+                                            Module::Address size) {
+  dwarf2reader::DIEHandler *func
+      = parent->FindChildHandler(0x11c70f94c6e87ccdLL,
+                                 dwarf2reader::DW_TAG_subprogram);
+  ASSERT_TRUE(func != NULL);
+  if (!name.empty()) {
+    func->ProcessAttributeString(dwarf2reader::DW_AT_name,
+                                 dwarf2reader::DW_FORM_strp,
+                                 name);
+  }
+  func->ProcessAttributeUnsigned(dwarf2reader::DW_AT_low_pc,
+                                 dwarf2reader::DW_FORM_addr,
+                                 address);
+  func->ProcessAttributeUnsigned(dwarf2reader::DW_AT_high_pc,
+                                 dwarf2reader::DW_FORM_addr,
+                                 address + size);
+  func->ProcessAttributeReference(dwarf2reader::DW_AT_abstract_origin,
+                                 dwarf2reader::DW_FORM_ref4,
+                                 origin);
+  ProcessStrangeAttributes(func);
+  EXPECT_TRUE(func->EndAttributes());
+  func->Finish();
+  delete func;
+}
+
+void CUFixtureBase::FillFunctions() {
+  if (functions_filled_)
+    return;
+  module_.GetFunctions(&functions_, functions_.end());
+  sort(functions_.begin(), functions_.end(),
+       Module::Function::CompareByAddress);
+  functions_filled_ = true;
+}
+
+void CUFixtureBase::TestFunctionCount(size_t expected) {
+  FillFunctions();
+  ASSERT_EQ(expected, functions_.size());
+}
+
+void CUFixtureBase::TestFunction(int i, const string &name,
+                                 Module::Address address,
+                                 Module::Address size) {
+  FillFunctions();
+  ASSERT_LT((size_t) i, functions_.size());
+
+  Module::Function *function = functions_[i];
+  EXPECT_EQ(name,    function->name);
+  EXPECT_EQ(address, function->address);
+  EXPECT_EQ(size,    function->size);
+  EXPECT_EQ(0U,      function->parameter_size);
+}
+
+void CUFixtureBase::TestLineCount(int i, size_t expected) {
+  FillFunctions();
+  ASSERT_LT((size_t) i, functions_.size());
+
+  ASSERT_EQ(expected, functions_[i]->lines.size());
+}
+
+void CUFixtureBase::TestLine(int i, int j,
+                             Module::Address address, Module::Address size,
+                             const string &filename, int number) {
+  FillFunctions();
+  ASSERT_LT((size_t) i, functions_.size());
+  ASSERT_LT((size_t) j, functions_[i]->lines.size());
+
+  Module::Line *line = &functions_[i]->lines[j];
+  EXPECT_EQ(address,  line->address);
+  EXPECT_EQ(size,     line->size);
+  EXPECT_EQ(filename, line->file->name.c_str());
+  EXPECT_EQ(number,   line->number);
+}
+
+// Include caller locations for our test subroutines.
+#define TRACE(call) do { SCOPED_TRACE("called from here"); call; } while (0)
+#define PushLine(a,b,c,d)         TRACE(PushLine((a),(b),(c),(d)))
+#define SetLanguage(a)            TRACE(SetLanguage(a))
+#define StartCU()                 TRACE(StartCU())
+#define DefineFunction(a,b,c,d,e) TRACE(DefineFunction((a),(b),(c),(d),(e)))
+// (DefineFunction) instead of DefineFunction to avoid macro expansion.
+#define DefineFunction6(a,b,c,d,e,f) \
+    TRACE((DefineFunction)((a),(b),(c),(d),(e),(f)))
+#define DeclarationDIE(a,b,c,d,e) TRACE(DeclarationDIE((a),(b),(c),(d),(e)))
+#define DefinitionDIE(a,b,c,d,e,f) \
+    TRACE(DefinitionDIE((a),(b),(c),(d),(e),(f)))
+#define TestFunctionCount(a)      TRACE(TestFunctionCount(a))
+#define TestFunction(a,b,c,d)     TRACE(TestFunction((a),(b),(c),(d)))
+#define TestLineCount(a,b)        TRACE(TestLineCount((a),(b)))
+#define TestLine(a,b,c,d,e,f)     TRACE(TestLine((a),(b),(c),(d),(e),(f)))
+
+class SimpleCU: public CUFixtureBase, public Test {
+};
+
+TEST_F(SimpleCU, CompilationDir) {
+  compilation_dir_ = "/src/build/";
+
+  StartCU();
+  root_handler_.Finish();
+}
+
+TEST_F(SimpleCU, OneFunc) {
+  PushLine(0x938cf8c07def4d34ULL, 0x55592d727f6cd01fLL, "line-file", 246571772);
+
+  StartCU();
+  DefineFunction(&root_handler_, "function1",
+                 0x938cf8c07def4d34ULL, 0x55592d727f6cd01fLL, NULL);
+  root_handler_.Finish();
+
+  TestFunctionCount(1);
+  TestFunction(0, "function1", 0x938cf8c07def4d34ULL, 0x55592d727f6cd01fLL);
+  TestLineCount(0, 1);
+  TestLine(0, 0, 0x938cf8c07def4d34ULL, 0x55592d727f6cd01fLL, "line-file",
+           246571772);
+}
+
+// As above, only DW_AT_high_pc is a length rather than an address.
+TEST_F(SimpleCU, OneFuncHighPcIsLength) {
+  PushLine(0x938cf8c07def4d34ULL, 0x55592d727f6cd01fLL, "line-file", 246571772);
+
+  StartCU();
+  DefineFunction6(&root_handler_, "function1",
+                  0x938cf8c07def4d34ULL, 0x55592d727f6cd01fLL, NULL,
+                  dwarf2reader::DW_FORM_udata);
+  root_handler_.Finish();
+
+  TestFunctionCount(1);
+  TestFunction(0, "function1", 0x938cf8c07def4d34ULL, 0x55592d727f6cd01fLL);
+  TestLineCount(0, 1);
+  TestLine(0, 0, 0x938cf8c07def4d34ULL, 0x55592d727f6cd01fLL, "line-file",
+           246571772);
+}
+
+TEST_F(SimpleCU, MangledName) {
+  PushLine(0x938cf8c07def4d34ULL, 0x55592d727f6cd01fLL, "line-file", 246571772);
+
+  StartCU();
+  DefineFunction(&root_handler_, "function1",
+                 0x938cf8c07def4d34ULL, 0x55592d727f6cd01fLL, "_ZN1n1fEi");
+  root_handler_.Finish();
+
+  TestFunctionCount(1);
+  TestFunction(0, "n::f(int)", 0x938cf8c07def4d34ULL, 0x55592d727f6cd01fLL);
+}
+
+TEST_F(SimpleCU, IrrelevantRootChildren) {
+  StartCU();
+  EXPECT_FALSE(root_handler_
+               .FindChildHandler(0x7db32bff4e2dcfb1ULL,
+                                 dwarf2reader::DW_TAG_lexical_block));
+}
+
+TEST_F(SimpleCU, IrrelevantNamedScopeChildren) {
+  StartCU();
+  DIEHandler *class_A_handler
+    = StartNamedDIE(&root_handler_, dwarf2reader::DW_TAG_class_type, "class_A");
+  EXPECT_TRUE(class_A_handler != NULL);
+  EXPECT_FALSE(class_A_handler
+               ->FindChildHandler(0x02e55999b865e4e9ULL,
+                                  dwarf2reader::DW_TAG_lexical_block));
+  delete class_A_handler;
+}
+
+// Verify that FileContexts can safely be deleted unused.
+TEST_F(SimpleCU, UnusedFileContext) {
+  Module m("module-name", "module-os", "module-arch", "module-id");
+  DwarfCUToModule::FileContext fc("dwarf-filename", &m, true);
+
+  // Kludge: satisfy reporter_'s expectation.
+  reporter_.SetCUName("compilation-unit-name");
+}
+
+TEST_F(SimpleCU, InlineFunction) {
+  PushLine(0x1758a0f941b71efbULL, 0x1cf154f1f545e146ULL, "line-file", 75173118);
+
+  StartCU();
+  AbstractInstanceDIE(&root_handler_, 0x1e8dac5d507ed7abULL,
+                      dwarf2reader::DW_INL_inlined, 0, "inline-name");
+  DefineInlineInstanceDIE(&root_handler_, "", 0x1e8dac5d507ed7abULL,
+                       0x1758a0f941b71efbULL, 0x1cf154f1f545e146ULL);
+  root_handler_.Finish();
+
+  TestFunctionCount(1);
+  TestFunction(0, "inline-name",
+               0x1758a0f941b71efbULL, 0x1cf154f1f545e146ULL);
+}
+
+TEST_F(SimpleCU, InlineFunctionSignedAttribute) {
+  PushLine(0x1758a0f941b71efbULL, 0x1cf154f1f545e146ULL, "line-file", 75173118);
+
+  StartCU();
+  AbstractInstanceDIE(&root_handler_, 0x1e8dac5d507ed7abULL,
+                      dwarf2reader::DW_INL_inlined, 0, "inline-name",
+                      dwarf2reader::DW_FORM_sdata);
+  DefineInlineInstanceDIE(&root_handler_, "", 0x1e8dac5d507ed7abULL,
+                       0x1758a0f941b71efbULL, 0x1cf154f1f545e146ULL);
+  root_handler_.Finish();
+
+  TestFunctionCount(1);
+  TestFunction(0, "inline-name",
+               0x1758a0f941b71efbULL, 0x1cf154f1f545e146ULL);
+}
+
+// Any DIE with an DW_AT_inline attribute can be cited by
+// DW_AT_abstract_origin attributes --- even if the value of the
+// DW_AT_inline attribute is DW_INL_not_inlined.
+TEST_F(SimpleCU, AbstractOriginNotInlined) {
+  PushLine(0x2805c4531be6ca0eULL, 0x686b52155a8d4d2cULL, "line-file", 6111581);
+
+  StartCU();
+  AbstractInstanceDIE(&root_handler_, 0x93e9cdad52826b39ULL,
+                      dwarf2reader::DW_INL_not_inlined, 0, "abstract-instance");
+  DefineInlineInstanceDIE(&root_handler_, "", 0x93e9cdad52826b39ULL,
+                          0x2805c4531be6ca0eULL, 0x686b52155a8d4d2cULL);
+  root_handler_.Finish();
+
+  TestFunctionCount(1);
+  TestFunction(0, "abstract-instance",
+               0x2805c4531be6ca0eULL, 0x686b52155a8d4d2cULL);
+}
+
+TEST_F(SimpleCU, UnknownAbstractOrigin) {
+  EXPECT_CALL(reporter_, UnknownAbstractOrigin(_, 1ULL)).WillOnce(Return());
+  EXPECT_CALL(reporter_, UnnamedFunction(0x11c70f94c6e87ccdLL))
+    .WillOnce(Return());
+  PushLine(0x1758a0f941b71efbULL, 0x1cf154f1f545e146ULL, "line-file", 75173118);
+
+  StartCU();
+  AbstractInstanceDIE(&root_handler_, 0x1e8dac5d507ed7abULL,
+                      dwarf2reader::DW_INL_inlined, 0, "inline-name");
+  DefineInlineInstanceDIE(&root_handler_, "", 1ULL,
+                       0x1758a0f941b71efbULL, 0x1cf154f1f545e146ULL);
+  root_handler_.Finish();
+
+  TestFunctionCount(1);
+  TestFunction(0, "<name omitted>",
+               0x1758a0f941b71efbULL, 0x1cf154f1f545e146ULL);
+}
+
+TEST_F(SimpleCU, UnnamedFunction) {
+  EXPECT_CALL(reporter_, UnnamedFunction(0xe34797c7e68590a8LL))
+    .WillOnce(Return());
+  PushLine(0x72b80e41a0ac1d40ULL, 0x537174f231ee181cULL, "line-file", 14044850);
+
+  StartCU();
+  DefineFunction(&root_handler_, "",
+                 0x72b80e41a0ac1d40ULL, 0x537174f231ee181cULL, NULL);
+  root_handler_.Finish();
+
+  TestFunctionCount(1);
+  TestFunction(0, "<name omitted>",
+               0x72b80e41a0ac1d40ULL, 0x537174f231ee181cULL);
+}
+
+// An address range.
+struct Range {
+  Module::Address start, end;
+};
+
+// Test data for pairing functions and lines.
+struct Situation {
+  // Two function intervals, and two line intervals.
+  Range functions[2], lines[2];
+
+  // The number of lines we expect to be assigned to each of the
+  // functions, and the address ranges.
+  int paired_count[2];
+  Range paired[2][2];
+
+  // The number of functions that are not entirely covered by lines,
+  // and vice versa.
+  int uncovered_functions, uncovered_lines;
+};
+
+#define PAIRING(func1_start, func1_end, func2_start, func2_end, \
+                line1_start, line1_end, line2_start, line2_end, \
+                func1_num_lines, func2_num_lines,               \
+                func1_line1_start, func1_line1_end,             \
+                func1_line2_start, func1_line2_end,             \
+                func2_line1_start, func2_line1_end,             \
+                func2_line2_start, func2_line2_end,             \
+                uncovered_functions, uncovered_lines)           \
+  { { { func1_start, func1_end }, { func2_start, func2_end } }, \
+    { { line1_start, line1_end }, { line2_start, line2_end } }, \
+    { func1_num_lines, func2_num_lines },                       \
+    { { { func1_line1_start, func1_line1_end },                 \
+        { func1_line2_start, func1_line2_end } },               \
+      { { func2_line1_start, func2_line1_end },                 \
+          { func2_line2_start, func2_line2_end } } },           \
+    uncovered_functions, uncovered_lines },
+
+Situation situations[] = {
+#include "common/testdata/func-line-pairing.h"
+};
+
+#undef PAIRING
+
+class FuncLinePairing: public CUFixtureBase,
+                       public TestWithParam<Situation> { };
+
+INSTANTIATE_TEST_CASE_P(AllSituations, FuncLinePairing,
+                        ValuesIn(situations));
+
+TEST_P(FuncLinePairing, Pairing) {
+  const Situation &s = GetParam();
+  PushLine(s.lines[0].start,
+           s.lines[0].end - s.lines[0].start,
+           "line-file", 67636963);
+  PushLine(s.lines[1].start,
+           s.lines[1].end - s.lines[1].start,
+           "line-file", 67636963);
+  if (s.uncovered_functions)
+    EXPECT_CALL(reporter_, UncoveredFunction(_))
+      .Times(s.uncovered_functions)
+      .WillRepeatedly(Return());
+  if (s.uncovered_lines)
+    EXPECT_CALL(reporter_, UncoveredLine(_))
+      .Times(s.uncovered_lines)
+      .WillRepeatedly(Return());
+
+  StartCU();
+  DefineFunction(&root_handler_, "function1",
+                 s.functions[0].start,
+                 s.functions[0].end - s.functions[0].start, NULL);
+  DefineFunction(&root_handler_, "function2",
+                 s.functions[1].start,
+                 s.functions[1].end - s.functions[1].start, NULL);
+  root_handler_.Finish();
+
+  TestFunctionCount(2);
+  TestFunction(0, "function1",
+               s.functions[0].start,
+               s.functions[0].end - s.functions[0].start);
+  TestLineCount(0, s.paired_count[0]);
+  for (int i = 0; i < s.paired_count[0]; i++)
+    TestLine(0, i, s.paired[0][i].start,
+             s.paired[0][i].end - s.paired[0][i].start,
+             "line-file", 67636963);
+  TestFunction(1, "function2",
+               s.functions[1].start,
+               s.functions[1].end - s.functions[1].start);
+  TestLineCount(1, s.paired_count[1]);
+  for (int i = 0; i < s.paired_count[1]; i++)
+    TestLine(1, i, s.paired[1][i].start,
+             s.paired[1][i].end - s.paired[1][i].start,
+             "line-file", 67636963);
+}
+
+TEST_F(FuncLinePairing, EmptyCU) {
+  StartCU();
+  root_handler_.Finish();
+
+  TestFunctionCount(0);
+}
+
+TEST_F(FuncLinePairing, LinesNoFuncs) {
+  PushLine(40, 2, "line-file", 82485646);
+  EXPECT_CALL(reporter_, UncoveredLine(_)).WillOnce(Return());
+
+  StartCU();
+  root_handler_.Finish();
+
+  TestFunctionCount(0);
+}
+
+TEST_F(FuncLinePairing, FuncsNoLines) {
+  EXPECT_CALL(reporter_, UncoveredFunction(_)).WillOnce(Return());
+
+  StartCU();
+  DefineFunction(&root_handler_, "function1", 0x127da12ffcf5c51fULL, 0x1000U,
+                 NULL);
+  root_handler_.Finish();
+
+  TestFunctionCount(1);
+  TestFunction(0, "function1", 0x127da12ffcf5c51fULL, 0x1000U);
+}
+
+TEST_F(FuncLinePairing, GapThenFunction) {
+  PushLine(20, 2, "line-file-2", 174314698);
+  PushLine(10, 2, "line-file-1", 263008005);
+
+  StartCU();
+  DefineFunction(&root_handler_, "function1", 10, 2, NULL);
+  DefineFunction(&root_handler_, "function2", 20, 2, NULL);
+  root_handler_.Finish();
+
+  TestFunctionCount(2);
+  TestFunction(0, "function1", 10, 2);
+  TestLineCount(0, 1);
+  TestLine(0, 0, 10, 2, "line-file-1", 263008005);
+  TestFunction(1, "function2", 20, 2);
+  TestLineCount(1, 1);
+  TestLine(1, 0, 20, 2, "line-file-2", 174314698);
+}
+
+// If GCC emits padding after one function to align the start of
+// the next, then it will attribute the padding instructions to
+// the last source line of function (to reduce the size of the
+// line number info), but omit it from the DW_AT_{low,high}_pc
+// range given in .debug_info (since it costs nothing to be
+// precise there).  If we did use at least some of the line
+// we're about to skip, then assume this is what happened, and
+// don't warn.
+TEST_F(FuncLinePairing, GCCAlignmentStretch) {
+  PushLine(10, 10, "line-file", 63351048);
+  PushLine(20, 10, "line-file", 61661044);
+
+  StartCU();
+  DefineFunction(&root_handler_, "function1", 10, 5, NULL);
+  // five-byte gap between functions, covered by line 63351048.
+  // This should not elicit a warning.
+  DefineFunction(&root_handler_, "function2", 20, 10, NULL);
+  root_handler_.Finish();
+
+  TestFunctionCount(2);
+  TestFunction(0, "function1", 10, 5);
+  TestLineCount(0, 1);
+  TestLine(0, 0, 10, 5, "line-file", 63351048);
+  TestFunction(1, "function2", 20, 10);
+  TestLineCount(1, 1);
+  TestLine(1, 0, 20, 10, "line-file", 61661044);
+}
+
+// Unfortunately, neither the DWARF parser's handler interface nor the
+// DIEHandler interface is capable of expressing a function that abuts
+// the end of the address space: the high_pc value looks like zero.
+
+TEST_F(FuncLinePairing, LineAtEndOfAddressSpace) {
+  PushLine(0xfffffffffffffff0ULL, 16, "line-file", 63351048);
+  EXPECT_CALL(reporter_, UncoveredLine(_)).WillOnce(Return());
+
+  StartCU();
+  DefineFunction(&root_handler_, "function1", 0xfffffffffffffff0ULL, 6, NULL);
+  DefineFunction(&root_handler_, "function2", 0xfffffffffffffffaULL, 5, NULL);
+  root_handler_.Finish();
+
+  TestFunctionCount(2);
+  TestFunction(0, "function1", 0xfffffffffffffff0ULL, 6);
+  TestLineCount(0, 1);
+  TestLine(0, 0, 0xfffffffffffffff0ULL, 6, "line-file", 63351048);
+  TestFunction(1, "function2", 0xfffffffffffffffaULL, 5);
+  TestLineCount(1, 1);
+  TestLine(1, 0, 0xfffffffffffffffaULL, 5, "line-file", 63351048);
+}
+
+// A function with more than one uncovered area should only be warned
+// about once.
+TEST_F(FuncLinePairing, WarnOnceFunc) {
+  PushLine(20, 1, "line-file-2", 262951329);
+  PushLine(11, 1, "line-file-1", 219964021);
+  EXPECT_CALL(reporter_, UncoveredFunction(_)).WillOnce(Return());
+
+  StartCU();
+  DefineFunction(&root_handler_, "function", 10, 11, NULL);
+  root_handler_.Finish();
+
+  TestFunctionCount(1);
+  TestFunction(0, "function", 10, 11);
+  TestLineCount(0, 2);
+  TestLine(0, 0, 11, 1, "line-file-1", 219964021);
+  TestLine(0, 1, 20, 1, "line-file-2", 262951329);
+}
+
+// A line with more than one uncovered area should only be warned
+// about once.
+TEST_F(FuncLinePairing, WarnOnceLine) {
+  PushLine(10, 20, "filename1", 118581871);
+  EXPECT_CALL(reporter_, UncoveredLine(_)).WillOnce(Return());
+
+  StartCU();
+  DefineFunction(&root_handler_, "function1", 11, 1, NULL);
+  DefineFunction(&root_handler_, "function2", 13, 1, NULL);
+  root_handler_.Finish();
+
+  TestFunctionCount(2);
+  TestFunction(0, "function1", 11, 1);
+  TestLineCount(0, 1);
+  TestLine(0, 0, 11, 1, "filename1", 118581871);
+  TestFunction(1, "function2", 13, 1);
+  TestLineCount(1, 1);
+  TestLine(1, 0, 13, 1, "filename1", 118581871);
+}
+
+class CXXQualifiedNames: public CUFixtureBase,
+                         public TestWithParam<DwarfTag> { };
+
+INSTANTIATE_TEST_CASE_P(VersusEnclosures, CXXQualifiedNames,
+                        Values(dwarf2reader::DW_TAG_class_type,
+                               dwarf2reader::DW_TAG_structure_type,
+                               dwarf2reader::DW_TAG_union_type,
+                               dwarf2reader::DW_TAG_namespace));
+
+TEST_P(CXXQualifiedNames, TwoFunctions) {
+  DwarfTag tag = GetParam();
+
+  SetLanguage(dwarf2reader::DW_LANG_C_plus_plus);
+  PushLine(10, 1, "filename1", 69819327);
+  PushLine(20, 1, "filename2", 95115701);
+
+  StartCU();
+  DIEHandler *enclosure_handler = StartNamedDIE(&root_handler_, tag,
+                                                "Enclosure");
+  EXPECT_TRUE(enclosure_handler != NULL);
+  DefineFunction(enclosure_handler, "func_B", 10, 1, NULL);
+  DefineFunction(enclosure_handler, "func_C", 20, 1, NULL);
+  enclosure_handler->Finish();
+  delete enclosure_handler;
+  root_handler_.Finish();
+
+  TestFunctionCount(2);
+  TestFunction(0, "Enclosure::func_B", 10, 1);
+  TestFunction(1, "Enclosure::func_C", 20, 1);
+}
+
+TEST_P(CXXQualifiedNames, FuncInEnclosureInNamespace) {
+  DwarfTag tag = GetParam();
+
+  SetLanguage(dwarf2reader::DW_LANG_C_plus_plus);
+  PushLine(10, 1, "line-file", 69819327);
+
+  StartCU();
+  DIEHandler *namespace_handler
+      = StartNamedDIE(&root_handler_, dwarf2reader::DW_TAG_namespace,
+                      "Namespace");
+  EXPECT_TRUE(namespace_handler != NULL);
+  DIEHandler *enclosure_handler = StartNamedDIE(namespace_handler, tag,
+                                                "Enclosure");
+  EXPECT_TRUE(enclosure_handler != NULL);
+  DefineFunction(enclosure_handler, "function", 10, 1, NULL);
+  enclosure_handler->Finish();
+  delete enclosure_handler;
+  namespace_handler->Finish();
+  delete namespace_handler;
+  root_handler_.Finish();
+
+  TestFunctionCount(1);
+  TestFunction(0, "Namespace::Enclosure::function", 10, 1);
+}
+
+TEST_F(CXXQualifiedNames, FunctionInClassInStructInNamespace) {
+  SetLanguage(dwarf2reader::DW_LANG_C_plus_plus);
+  PushLine(10, 1, "filename1", 69819327);
+
+  StartCU();
+  DIEHandler *namespace_handler
+      = StartNamedDIE(&root_handler_, dwarf2reader::DW_TAG_namespace,
+                      "namespace_A");
+  EXPECT_TRUE(namespace_handler != NULL);
+  DIEHandler *struct_handler
+      = StartNamedDIE(namespace_handler, dwarf2reader::DW_TAG_structure_type,
+                      "struct_B");
+  EXPECT_TRUE(struct_handler != NULL);
+  DIEHandler *class_handler
+      = StartNamedDIE(struct_handler, dwarf2reader::DW_TAG_class_type,
+                      "class_C");
+  DefineFunction(class_handler, "function_D", 10, 1, NULL);
+  class_handler->Finish();
+  delete class_handler;
+  struct_handler->Finish();
+  delete struct_handler;
+  namespace_handler->Finish();
+  delete namespace_handler;
+  root_handler_.Finish();
+
+  TestFunctionCount(1);
+  TestFunction(0, "namespace_A::struct_B::class_C::function_D", 10, 1);
+}
+
+struct LanguageAndQualifiedName {
+  dwarf2reader::DwarfLanguage language;
+  const char *name;
+};
+
+const LanguageAndQualifiedName LanguageAndQualifiedNameCases[] = {
+  { dwarf2reader::DW_LANG_none,           "class_A::function_B" },
+  { dwarf2reader::DW_LANG_C,              "class_A::function_B" },
+  { dwarf2reader::DW_LANG_C89,            "class_A::function_B" },
+  { dwarf2reader::DW_LANG_C99,            "class_A::function_B" },
+  { dwarf2reader::DW_LANG_C_plus_plus,    "class_A::function_B" },
+  { dwarf2reader::DW_LANG_Java,           "class_A.function_B" },
+  { dwarf2reader::DW_LANG_Cobol74,        "class_A::function_B" },
+  { dwarf2reader::DW_LANG_Mips_Assembler, NULL }
+};
+
+class QualifiedForLanguage
+    : public CUFixtureBase,
+      public TestWithParam<LanguageAndQualifiedName> { };
+
+INSTANTIATE_TEST_CASE_P(LanguageAndQualifiedName, QualifiedForLanguage,
+                        ValuesIn(LanguageAndQualifiedNameCases));
+
+TEST_P(QualifiedForLanguage, MemberFunction) {
+  const LanguageAndQualifiedName &param = GetParam();
+
+  PushLine(10, 1, "line-file", 212966758);
+  SetLanguage(param.language);
+
+  StartCU();
+  DIEHandler *class_handler
+      = StartNamedDIE(&root_handler_, dwarf2reader::DW_TAG_class_type,
+                      "class_A");
+  DefineFunction(class_handler, "function_B", 10, 1, NULL);
+  class_handler->Finish();
+  delete class_handler;
+  root_handler_.Finish();
+
+  if (param.name) {
+    TestFunctionCount(1);
+    TestFunction(0, param.name, 10, 1);
+  } else {
+    TestFunctionCount(0);
+  }
+}
+
+TEST_P(QualifiedForLanguage, MemberFunctionSignedLanguage) {
+  const LanguageAndQualifiedName &param = GetParam();
+
+  PushLine(10, 1, "line-file", 212966758);
+  SetLanguage(param.language);
+  SetLanguageSigned(true);
+
+  StartCU();
+  DIEHandler *class_handler
+      = StartNamedDIE(&root_handler_, dwarf2reader::DW_TAG_class_type,
+                      "class_A");
+  DefineFunction(class_handler, "function_B", 10, 1, NULL);
+  class_handler->Finish();
+  delete class_handler;
+  root_handler_.Finish();
+
+  if (param.name) {
+    TestFunctionCount(1);
+    TestFunction(0, param.name, 10, 1);
+  } else {
+    TestFunctionCount(0);
+  }
+}
+
+class Specifications: public CUFixtureBase, public Test { };
+
+TEST_F(Specifications, Function) {
+  PushLine(0x93cd3dfc1aa10097ULL, 0x0397d47a0b4ca0d4ULL, "line-file", 54883661);
+
+  StartCU();
+  DeclarationDIE(&root_handler_, 0xcd3c51b946fb1eeeLL,
+                 dwarf2reader::DW_TAG_subprogram, "declaration-name", "");
+  DefinitionDIE(&root_handler_, dwarf2reader::DW_TAG_subprogram,
+                0xcd3c51b946fb1eeeLL, "",
+                0x93cd3dfc1aa10097ULL, 0x0397d47a0b4ca0d4ULL);
+  root_handler_.Finish();
+
+  TestFunctionCount(1);
+  TestFunction(0, "declaration-name",
+               0x93cd3dfc1aa10097ULL, 0x0397d47a0b4ca0d4ULL);
+}
+
+TEST_F(Specifications, MangledName) {
+  // Language defaults to C++, so no need to set it here.
+  PushLine(0x93cd3dfc1aa10097ULL, 0x0397d47a0b4ca0d4ULL, "line-file", 54883661);
+
+  StartCU();
+  DeclarationDIE(&root_handler_, 0xcd3c51b946fb1eeeLL,
+                 dwarf2reader::DW_TAG_subprogram, "declaration-name",
+                 "_ZN1C1fEi");
+  DefinitionDIE(&root_handler_, dwarf2reader::DW_TAG_subprogram,
+                0xcd3c51b946fb1eeeLL, "",
+                0x93cd3dfc1aa10097ULL, 0x0397d47a0b4ca0d4ULL);
+  root_handler_.Finish();
+
+  TestFunctionCount(1);
+  TestFunction(0, "C::f(int)",
+               0x93cd3dfc1aa10097ULL, 0x0397d47a0b4ca0d4ULL);
+}
+
+TEST_F(Specifications, MangledNameSwift) {
+  // Swift mangled names should pass through untouched.
+  SetLanguage(dwarf2reader::DW_LANG_Swift);
+  PushLine(0x93cd3dfc1aa10097ULL, 0x0397d47a0b4ca0d4ULL, "line-file", 54883661);
+  StartCU();
+  const string kName = "_TFC9swifttest5Shape17simpleDescriptionfS0_FT_Si";
+  DeclarationDIE(&root_handler_, 0xcd3c51b946fb1eeeLL,
+                 dwarf2reader::DW_TAG_subprogram, "declaration-name",
+                 kName);
+  DefinitionDIE(&root_handler_, dwarf2reader::DW_TAG_subprogram,
+                0xcd3c51b946fb1eeeLL, "",
+                0x93cd3dfc1aa10097ULL, 0x0397d47a0b4ca0d4ULL);
+  root_handler_.Finish();
+
+  TestFunctionCount(1);
+  TestFunction(0, kName,
+               0x93cd3dfc1aa10097ULL, 0x0397d47a0b4ca0d4ULL);
+}
+
+TEST_F(Specifications, MangledNameRust) {
+  SetLanguage(dwarf2reader::DW_LANG_Rust);
+  PushLine(0x93cd3dfc1aa10097ULL, 0x0397d47a0b4ca0d4ULL, "line-file", 54883661);
+
+  StartCU();
+  const string kName = "_ZN14rustc_demangle8demangle17h373defa94bffacdeE";
+  DeclarationDIE(&root_handler_, 0xcd3c51b946fb1eeeLL,
+                 dwarf2reader::DW_TAG_subprogram, "declaration-name",
+                 kName);
+  DefinitionDIE(&root_handler_, dwarf2reader::DW_TAG_subprogram,
+                0xcd3c51b946fb1eeeLL, "",
+                0x93cd3dfc1aa10097ULL, 0x0397d47a0b4ca0d4ULL);
+  root_handler_.Finish();
+
+  TestFunctionCount(1);
+  TestFunction(0,
+#ifndef HAVE_RUST_DEMANGLE
+               // Rust mangled names should pass through untouched if not
+               // using rust-demangle.
+               kName,
+#else
+               // If rust-demangle is available this should be properly
+               // demangled.
+               "rustc_demangle::demangle",
+#endif
+               0x93cd3dfc1aa10097ULL, 0x0397d47a0b4ca0d4ULL);
+}
+
+TEST_F(Specifications, MemberFunction) {
+  PushLine(0x3341a248634e7170ULL, 0x5f6938ee5553b953ULL, "line-file", 18116691);
+
+  StartCU();
+  DIEHandler *class_handler
+    = StartNamedDIE(&root_handler_, dwarf2reader::DW_TAG_class_type, "class_A");
+  DeclarationDIE(class_handler, 0x7d83028c431406e8ULL,
+                 dwarf2reader::DW_TAG_subprogram, "declaration-name", "");
+  class_handler->Finish();
+  delete class_handler;
+  DefinitionDIE(&root_handler_, dwarf2reader::DW_TAG_subprogram,
+                0x7d83028c431406e8ULL, "",
+                0x3341a248634e7170ULL, 0x5f6938ee5553b953ULL);
+  root_handler_.Finish();
+
+  TestFunctionCount(1);
+  TestFunction(0, "class_A::declaration-name",
+               0x3341a248634e7170ULL, 0x5f6938ee5553b953ULL);
+}
+
+// This case should gather the name from both the definition and the
+// declaration's parent.
+TEST_F(Specifications, FunctionDeclarationParent) {
+  PushLine(0x463c9ddf405be227ULL, 0x6a47774af5049680ULL, "line-file", 70254922);
+
+  StartCU();
+  {
+    DIEHandler *class_handler
+      = StartNamedDIE(&root_handler_, dwarf2reader::DW_TAG_class_type,
+                      "class_A");
+    ASSERT_TRUE(class_handler != NULL);
+    DeclarationDIE(class_handler, 0x0e0e877c8404544aULL,
+                   dwarf2reader::DW_TAG_subprogram, "declaration-name", "");
+    class_handler->Finish();
+    delete class_handler;
+  }
+
+  DefinitionDIE(&root_handler_, dwarf2reader::DW_TAG_subprogram,
+                0x0e0e877c8404544aULL, "definition-name",
+                0x463c9ddf405be227ULL, 0x6a47774af5049680ULL);
+
+  root_handler_.Finish();
+
+  TestFunctionCount(1);
+  TestFunction(0, "class_A::definition-name",
+               0x463c9ddf405be227ULL, 0x6a47774af5049680ULL);
+}
+
+// Named scopes should also gather enclosing name components from
+// their declarations.
+TEST_F(Specifications, NamedScopeDeclarationParent) {
+  PushLine(0x5d13433d0df13d00ULL, 0x48ebebe5ade2cab4ULL, "line-file", 77392604);
+
+  StartCU();
+  {
+    DIEHandler *space_handler
+      = StartNamedDIE(&root_handler_, dwarf2reader::DW_TAG_namespace,
+                      "space_A");
+    ASSERT_TRUE(space_handler != NULL);
+    DeclarationDIE(space_handler, 0x419bb1d12f9a73a2ULL,
+                   dwarf2reader::DW_TAG_class_type, "class-declaration-name",
+                   "");
+    space_handler->Finish();
+    delete space_handler;
+  }
+
+  {
+    DIEHandler *class_handler
+      = StartSpecifiedDIE(&root_handler_, dwarf2reader::DW_TAG_class_type,
+                          0x419bb1d12f9a73a2ULL, "class-definition-name");
+    ASSERT_TRUE(class_handler != NULL);
+    DefineFunction(class_handler, "function",
+                   0x5d13433d0df13d00ULL, 0x48ebebe5ade2cab4ULL, NULL);
+    class_handler->Finish();
+    delete class_handler;
+  }
+
+  root_handler_.Finish();
+
+  TestFunctionCount(1);
+  TestFunction(0, "space_A::class-definition-name::function",
+               0x5d13433d0df13d00ULL, 0x48ebebe5ade2cab4ULL);
+}
+
+// This test recreates bug 364.
+TEST_F(Specifications, InlineFunction) {
+  PushLine(0x1758a0f941b71efbULL, 0x1cf154f1f545e146ULL, "line-file", 75173118);
+
+  StartCU();
+  DeclarationDIE(&root_handler_, 0xcd3c51b946fb1eeeLL,
+                 dwarf2reader::DW_TAG_subprogram, "inline-name", "");
+  AbstractInstanceDIE(&root_handler_, 0x1e8dac5d507ed7abULL,
+                      dwarf2reader::DW_INL_inlined, 0xcd3c51b946fb1eeeLL, "");
+  DefineInlineInstanceDIE(&root_handler_, "", 0x1e8dac5d507ed7abULL,
+                       0x1758a0f941b71efbULL, 0x1cf154f1f545e146ULL);
+  root_handler_.Finish();
+
+  TestFunctionCount(1);
+  TestFunction(0, "inline-name",
+               0x1758a0f941b71efbULL, 0x1cf154f1f545e146ULL);
+}
+
+// An inline function in a namespace should correctly derive its
+// name from its abstract origin, and not just the namespace name.
+TEST_F(Specifications, InlineFunctionInNamespace) {
+  PushLine(0x1758a0f941b71efbULL, 0x1cf154f1f545e146ULL, "line-file", 75173118);
+
+  StartCU();
+  DIEHandler* space_handler
+      = StartNamedDIE(&root_handler_, dwarf2reader::DW_TAG_namespace,
+                      "Namespace");
+  ASSERT_TRUE(space_handler != NULL);
+  AbstractInstanceDIE(space_handler, 0x1e8dac5d507ed7abULL,
+                      dwarf2reader::DW_INL_inlined, 0LL, "func-name");
+  DefineInlineInstanceDIE(space_handler, "", 0x1e8dac5d507ed7abULL,
+                       0x1758a0f941b71efbULL, 0x1cf154f1f545e146ULL);
+  space_handler->Finish();
+  delete space_handler;
+  root_handler_.Finish();
+
+  TestFunctionCount(1);
+  TestFunction(0, "Namespace::func-name",
+               0x1758a0f941b71efbULL, 0x1cf154f1f545e146ULL);
+}
+
+// Check name construction for a long chain containing each combination of:
+// - struct, union, class, namespace
+// - direct and definition
+TEST_F(Specifications, LongChain) {
+  PushLine(0x5a0dd6bb85db754cULL, 0x3bccb213d08c7fd3ULL, "line-file", 21192926);
+  SetLanguage(dwarf2reader::DW_LANG_C_plus_plus);
+
+  StartCU();
+  // The structure we're building here is:
+  // space_A full definition
+  //   space_B declaration
+  // space_B definition
+  //   struct_C full definition
+  //     struct_D declaration
+  // struct_D definition
+  //   union_E full definition
+  //     union_F declaration
+  // union_F definition
+  //   class_G full definition
+  //     class_H declaration
+  // class_H definition
+  //   func_I declaration
+  // func_I definition
+  //
+  // So:
+  // - space_A, struct_C, union_E, and class_G don't use specifications;
+  // - space_B, struct_D, union_F, and class_H do.
+  // - func_I uses a specification.
+  //
+  // The full name for func_I is thus:
+  //
+  // space_A::space_B::struct_C::struct_D::union_E::union_F::
+  //   class_G::class_H::func_I
+  {
+    DIEHandler *space_A_handler
+      = StartNamedDIE(&root_handler_, dwarf2reader::DW_TAG_namespace,
+                      "space_A");
+    DeclarationDIE(space_A_handler, 0x2e111126496596e2ULL,
+                   dwarf2reader::DW_TAG_namespace, "space_B", "");
+    space_A_handler->Finish();
+    delete space_A_handler;
+  }
+
+  {
+    DIEHandler *space_B_handler
+      = StartSpecifiedDIE(&root_handler_, dwarf2reader::DW_TAG_namespace,
+                          0x2e111126496596e2ULL);
+    DIEHandler *struct_C_handler
+      = StartNamedDIE(space_B_handler, dwarf2reader::DW_TAG_structure_type,
+                      "struct_C");
+    DeclarationDIE(struct_C_handler, 0x20cd423bf2a25a4cULL,
+                   dwarf2reader::DW_TAG_structure_type, "struct_D", "");
+    struct_C_handler->Finish();
+    delete struct_C_handler;
+    space_B_handler->Finish();
+    delete space_B_handler;
+  }
+
+  {
+    DIEHandler *struct_D_handler
+      = StartSpecifiedDIE(&root_handler_, dwarf2reader::DW_TAG_structure_type,
+                          0x20cd423bf2a25a4cULL);
+    DIEHandler *union_E_handler
+      = StartNamedDIE(struct_D_handler, dwarf2reader::DW_TAG_union_type,
+                      "union_E");
+    DeclarationDIE(union_E_handler, 0xe25c84805aa58c32ULL,
+                   dwarf2reader::DW_TAG_union_type, "union_F", "");
+    union_E_handler->Finish();
+    delete union_E_handler;
+    struct_D_handler->Finish();
+    delete struct_D_handler;
+  }
+
+  {
+    DIEHandler *union_F_handler
+      = StartSpecifiedDIE(&root_handler_, dwarf2reader::DW_TAG_union_type,
+                          0xe25c84805aa58c32ULL);
+    DIEHandler *class_G_handler
+      = StartNamedDIE(union_F_handler, dwarf2reader::DW_TAG_class_type,
+                      "class_G");
+    DeclarationDIE(class_G_handler, 0xb70d960dcc173b6eULL,
+                   dwarf2reader::DW_TAG_class_type, "class_H", "");
+    class_G_handler->Finish();
+    delete class_G_handler;
+    union_F_handler->Finish();
+    delete union_F_handler;
+  }
+
+  {
+    DIEHandler *class_H_handler
+      = StartSpecifiedDIE(&root_handler_, dwarf2reader::DW_TAG_class_type,
+                          0xb70d960dcc173b6eULL);
+    DeclarationDIE(class_H_handler, 0x27ff829e3bf69f37ULL,
+                   dwarf2reader::DW_TAG_subprogram, "func_I", "");
+    class_H_handler->Finish();
+    delete class_H_handler;
+  }
+
+  DefinitionDIE(&root_handler_, dwarf2reader::DW_TAG_subprogram,
+                0x27ff829e3bf69f37ULL, "",
+                0x5a0dd6bb85db754cULL, 0x3bccb213d08c7fd3ULL);
+  root_handler_.Finish();
+
+  TestFunctionCount(1);
+  TestFunction(0, "space_A::space_B::struct_C::struct_D::union_E::union_F"
+               "::class_G::class_H::func_I",
+               0x5a0dd6bb85db754cULL, 0x3bccb213d08c7fd3ULL);
+}
+
+TEST_F(Specifications, InterCU) {
+  Module m("module-name", "module-os", "module-arch", "module-id");
+  DwarfCUToModule::FileContext fc("dwarf-filename", &m, true);
+  EXPECT_CALL(reporter_, UncoveredFunction(_)).WillOnce(Return());
+  MockLineToModuleHandler lr;
+  EXPECT_CALL(lr, ReadProgram(_,_,_,_)).Times(0);
+
+  // Kludge: satisfy reporter_'s expectation.
+  reporter_.SetCUName("compilation-unit-name");
+
+  // First CU.  Declares class_A.
+  {
+    DwarfCUToModule root1_handler(&fc, &lr, &reporter_);
+    ASSERT_TRUE(root1_handler.StartCompilationUnit(0, 1, 2, 3, 3));
+    ASSERT_TRUE(root1_handler.StartRootDIE(1,
+                                           dwarf2reader::DW_TAG_compile_unit));
+    ProcessStrangeAttributes(&root1_handler);
+    ASSERT_TRUE(root1_handler.EndAttributes());
+    DeclarationDIE(&root1_handler, 0xb8fbfdd5f0b26fceULL,
+                   dwarf2reader::DW_TAG_class_type, "class_A", "");
+    root1_handler.Finish();
+  }
+
+  // Second CU.  Defines class_A, declares member_func_B.
+  {
+    DwarfCUToModule root2_handler(&fc, &lr, &reporter_);
+    ASSERT_TRUE(root2_handler.StartCompilationUnit(0, 1, 2, 3, 3));
+    ASSERT_TRUE(root2_handler.StartRootDIE(1,
+                                           dwarf2reader::DW_TAG_compile_unit));
+    ASSERT_TRUE(root2_handler.EndAttributes());
+    DIEHandler *class_A_handler
+      = StartSpecifiedDIE(&root2_handler, dwarf2reader::DW_TAG_class_type,
+                          0xb8fbfdd5f0b26fceULL);
+    DeclarationDIE(class_A_handler, 0xb01fef8b380bd1a2ULL,
+                   dwarf2reader::DW_TAG_subprogram, "member_func_B", "");
+    class_A_handler->Finish();
+    delete class_A_handler;
+    root2_handler.Finish();
+  }
+
+  // Third CU.  Defines member_func_B.
+  {
+    DwarfCUToModule root3_handler(&fc, &lr, &reporter_);
+    ASSERT_TRUE(root3_handler.StartCompilationUnit(0, 1, 2, 3, 3));
+    ASSERT_TRUE(root3_handler.StartRootDIE(1,
+                                           dwarf2reader::DW_TAG_compile_unit));
+    ASSERT_TRUE(root3_handler.EndAttributes());
+    DefinitionDIE(&root3_handler, dwarf2reader::DW_TAG_subprogram,
+                  0xb01fef8b380bd1a2ULL, "",
+                  0x2618f00a1a711e53ULL, 0x4fd94b76d7c2caf5ULL);
+    root3_handler.Finish();
+  }
+
+  vector<Module::Function *> functions;
+  m.GetFunctions(&functions, functions.end());
+  EXPECT_EQ(1U, functions.size());
+  EXPECT_STREQ("class_A::member_func_B", functions[0]->name.c_str());
+}
+
+TEST_F(Specifications, UnhandledInterCU) {
+  Module m("module-name", "module-os", "module-arch", "module-id");
+  DwarfCUToModule::FileContext fc("dwarf-filename", &m, false);
+  EXPECT_CALL(reporter_, UncoveredFunction(_)).WillOnce(Return());
+  MockLineToModuleHandler lr;
+  EXPECT_CALL(lr, ReadProgram(_,_,_,_)).Times(0);
+
+  // Kludge: satisfy reporter_'s expectation.
+  reporter_.SetCUName("compilation-unit-name");
+
+  // First CU.  Declares class_A.
+  {
+    DwarfCUToModule root1_handler(&fc, &lr, &reporter_);
+    ASSERT_TRUE(root1_handler.StartCompilationUnit(0, 1, 2, 3, 3));
+    ASSERT_TRUE(root1_handler.StartRootDIE(1,
+                                           dwarf2reader::DW_TAG_compile_unit));
+    ProcessStrangeAttributes(&root1_handler);
+    ASSERT_TRUE(root1_handler.EndAttributes());
+    DeclarationDIE(&root1_handler, 0xb8fbfdd5f0b26fceULL,
+                   dwarf2reader::DW_TAG_class_type, "class_A", "");
+    root1_handler.Finish();
+  }
+
+  // Second CU.  Defines class_A, declares member_func_B.
+  {
+    DwarfCUToModule root2_handler(&fc, &lr, &reporter_);
+    ASSERT_TRUE(root2_handler.StartCompilationUnit(0, 1, 2, 3, 3));
+    ASSERT_TRUE(root2_handler.StartRootDIE(1,
+                                           dwarf2reader::DW_TAG_compile_unit));
+    ASSERT_TRUE(root2_handler.EndAttributes());
+    EXPECT_CALL(reporter_, UnhandledInterCUReference(_, _)).Times(1);
+    DIEHandler *class_A_handler
+      = StartSpecifiedDIE(&root2_handler, dwarf2reader::DW_TAG_class_type,
+                          0xb8fbfdd5f0b26fceULL);
+    DeclarationDIE(class_A_handler, 0xb01fef8b380bd1a2ULL,
+                   dwarf2reader::DW_TAG_subprogram, "member_func_B", "");
+    class_A_handler->Finish();
+    delete class_A_handler;
+    root2_handler.Finish();
+  }
+
+  // Third CU.  Defines member_func_B.
+  {
+    DwarfCUToModule root3_handler(&fc, &lr, &reporter_);
+    ASSERT_TRUE(root3_handler.StartCompilationUnit(0, 1, 2, 3, 3));
+    ASSERT_TRUE(root3_handler.StartRootDIE(1,
+                                           dwarf2reader::DW_TAG_compile_unit));
+    ASSERT_TRUE(root3_handler.EndAttributes());
+    EXPECT_CALL(reporter_, UnhandledInterCUReference(_, _)).Times(1);
+    EXPECT_CALL(reporter_, UnnamedFunction(_)).Times(1);
+    DefinitionDIE(&root3_handler, dwarf2reader::DW_TAG_subprogram,
+                  0xb01fef8b380bd1a2ULL, "",
+                  0x2618f00a1a711e53ULL, 0x4fd94b76d7c2caf5ULL);
+    root3_handler.Finish();
+  }
+}
+
+TEST_F(Specifications, BadOffset) {
+  PushLine(0xa0277efd7ce83771ULL, 0x149554a184c730c1ULL, "line-file", 56636272);
+  EXPECT_CALL(reporter_, UnknownSpecification(_, 0x2be953efa6f9a996ULL))
+    .WillOnce(Return());
+
+  StartCU();
+  DeclarationDIE(&root_handler_, 0xefd7f7752c27b7e4ULL,
+                 dwarf2reader::DW_TAG_subprogram, "", "");
+  DefinitionDIE(&root_handler_, dwarf2reader::DW_TAG_subprogram,
+                0x2be953efa6f9a996ULL, "function",
+                0xa0277efd7ce83771ULL, 0x149554a184c730c1ULL);
+  root_handler_.Finish();
+}
+
+TEST_F(Specifications, FunctionDefinitionHasOwnName) {
+  PushLine(0xced50b3eea81022cULL, 0x08dd4d301cc7a7d2ULL, "line-file", 56792403);
+
+  StartCU();
+  DeclarationDIE(&root_handler_, 0xc34ff4786cae78bdULL,
+                 dwarf2reader::DW_TAG_subprogram, "declaration-name", "");
+  DefinitionDIE(&root_handler_, dwarf2reader::DW_TAG_subprogram,
+                0xc34ff4786cae78bdULL, "definition-name",
+                0xced50b3eea81022cULL, 0x08dd4d301cc7a7d2ULL);
+  root_handler_.Finish();
+
+  TestFunctionCount(1);
+  TestFunction(0, "definition-name",
+               0xced50b3eea81022cULL, 0x08dd4d301cc7a7d2ULL);
+}
+
+TEST_F(Specifications, ClassDefinitionHasOwnName) {
+  PushLine(0x1d0f5e0f6ce309bdULL, 0x654e1852ec3599e7ULL, "line-file", 57119241);
+
+  StartCU();
+  DeclarationDIE(&root_handler_, 0xd0fe467ec2f1a58cULL,
+                 dwarf2reader::DW_TAG_class_type, "class-declaration-name", "");
+
+  dwarf2reader::DIEHandler *class_definition
+    = StartSpecifiedDIE(&root_handler_, dwarf2reader::DW_TAG_class_type,
+                        0xd0fe467ec2f1a58cULL, "class-definition-name");
+  ASSERT_TRUE(class_definition);
+  DeclarationDIE(class_definition, 0x6d028229c15623dbULL,
+                 dwarf2reader::DW_TAG_subprogram,
+                 "function-declaration-name", "");
+  class_definition->Finish();
+  delete class_definition;
+
+  DefinitionDIE(&root_handler_, dwarf2reader::DW_TAG_subprogram,
+                0x6d028229c15623dbULL, "function-definition-name",
+                0x1d0f5e0f6ce309bdULL, 0x654e1852ec3599e7ULL);
+
+  root_handler_.Finish();
+
+  TestFunctionCount(1);
+  TestFunction(0, "class-definition-name::function-definition-name",
+               0x1d0f5e0f6ce309bdULL, 0x654e1852ec3599e7ULL);
+}
+
+// DIEs that cite a specification should prefer the specification's
+// parents over their own when choosing qualified names. In this test,
+// we take the name from our definition but the enclosing scope name
+// from our declaration. I don't see why they'd ever be different, but
+// we want to verify what DwarfCUToModule is looking at.
+TEST_F(Specifications, PreferSpecificationParents) {
+  PushLine(0xbbd9d54dce3b95b7ULL, 0x39188b7b52b0899fULL, "line-file", 79488694);
+
+  StartCU();
+  {
+    dwarf2reader::DIEHandler *declaration_class_handler =
+      StartNamedDIE(&root_handler_, dwarf2reader::DW_TAG_class_type,
+                    "declaration-class");
+    DeclarationDIE(declaration_class_handler, 0x9ddb35517455ef7aULL,
+                   dwarf2reader::DW_TAG_subprogram, "function-declaration",
+                   "");
+    declaration_class_handler->Finish();
+    delete declaration_class_handler;
+  }
+  {
+    dwarf2reader::DIEHandler *definition_class_handler
+      = StartNamedDIE(&root_handler_, dwarf2reader::DW_TAG_class_type,
+                      "definition-class");
+    DefinitionDIE(definition_class_handler, dwarf2reader::DW_TAG_subprogram,
+                  0x9ddb35517455ef7aULL, "function-definition",
+                  0xbbd9d54dce3b95b7ULL, 0x39188b7b52b0899fULL);
+    definition_class_handler->Finish();
+    delete definition_class_handler;
+  }
+  root_handler_.Finish();
+
+  TestFunctionCount(1);
+  TestFunction(0, "declaration-class::function-definition",
+               0xbbd9d54dce3b95b7ULL, 0x39188b7b52b0899fULL);
+}
+
+class CUErrors: public CUFixtureBase, public Test { };
+
+TEST_F(CUErrors, BadStmtList) {
+  EXPECT_CALL(reporter_, BadLineInfoOffset(dummy_line_size_ + 10)).Times(1);
+
+  ASSERT_TRUE(root_handler_
+              .StartCompilationUnit(0xc591d5b037543d7cULL, 0x11, 0xcd,
+                                    0x2d7d19546cf6590cULL, 3));
+  ASSERT_TRUE(root_handler_.StartRootDIE(0xae789dc102cfca54ULL,
+                                         dwarf2reader::DW_TAG_compile_unit));
+  root_handler_.ProcessAttributeString(dwarf2reader::DW_AT_name,
+                                       dwarf2reader::DW_FORM_strp,
+                                       "compilation-unit-name");
+  root_handler_.ProcessAttributeUnsigned(dwarf2reader::DW_AT_stmt_list,
+                                         dwarf2reader::DW_FORM_ref4,
+                                         dummy_line_size_ + 10);
+  root_handler_.EndAttributes();
+  root_handler_.Finish();
+}
+
+TEST_F(CUErrors, NoLineSection) {
+  EXPECT_CALL(reporter_, MissingSection(".debug_line")).Times(1);
+  PushLine(0x88507fb678052611ULL, 0x42c8e9de6bbaa0faULL, "line-file", 64472290);
+  // Delete the entry for .debug_line added by the fixture class's constructor.
+  file_context_.ClearSectionMapForTest();
+
+  StartCU();
+  root_handler_.Finish();
+}
+
+TEST_F(CUErrors, BadDwarfVersion1) {
+  // Kludge: satisfy reporter_'s expectation.
+  reporter_.SetCUName("compilation-unit-name");
+
+  ASSERT_FALSE(root_handler_
+               .StartCompilationUnit(0xadf6e0eb71e2b0d9ULL, 0x4d, 0x90,
+                                     0xc9de224ccb99ac3eULL, 1));
+}
+
+TEST_F(CUErrors, GoodDwarfVersion2) {
+  // Kludge: satisfy reporter_'s expectation.
+  reporter_.SetCUName("compilation-unit-name");
+
+  ASSERT_TRUE(root_handler_
+               .StartCompilationUnit(0xadf6e0eb71e2b0d9ULL, 0x4d, 0x90,
+                                     0xc9de224ccb99ac3eULL, 2));
+}
+
+TEST_F(CUErrors, GoodDwarfVersion3) {
+  // Kludge: satisfy reporter_'s expectation.
+  reporter_.SetCUName("compilation-unit-name");
+
+  ASSERT_TRUE(root_handler_
+               .StartCompilationUnit(0xadf6e0eb71e2b0d9ULL, 0x4d, 0x90,
+                                     0xc9de224ccb99ac3eULL, 3));
+}
+
+TEST_F(CUErrors, BadCURootDIETag) {
+  // Kludge: satisfy reporter_'s expectation.
+  reporter_.SetCUName("compilation-unit-name");
+
+  ASSERT_TRUE(root_handler_
+               .StartCompilationUnit(0xadf6e0eb71e2b0d9ULL, 0x4d, 0x90,
+                                     0xc9de224ccb99ac3eULL, 3));
+
+  ASSERT_FALSE(root_handler_.StartRootDIE(0x02e56bfbda9e7337ULL,
+                                          dwarf2reader::DW_TAG_subprogram));
+}
+
+// Tests for DwarfCUToModule::Reporter. These just produce (or fail to
+// produce) output, so their results need to be checked by hand.
+struct Reporter: public Test {
+  Reporter()
+      : reporter("filename", 0x123456789abcdef0ULL),
+        function("function name", 0x19c45c30770c1eb0ULL),
+        file("source file name") {
+    reporter.SetCUName("compilation-unit-name");
+
+    function.size = 0x89808a5bdfa0a6a3ULL;
+    function.parameter_size = 0x6a329f18683dcd51ULL;
+
+    line.address = 0x3606ac6267aebeccULL;
+    line.size = 0x5de482229f32556aULL;
+    line.file = &file;
+    line.number = 93400201;
+  }
+
+  DwarfCUToModule::WarningReporter reporter;
+  Module::Function function;
+  Module::File file;
+  Module::Line line;
+};
+
+TEST_F(Reporter, UnknownSpecification) {
+  reporter.UnknownSpecification(0x123456789abcdef1ULL, 0x323456789abcdef2ULL);
+}
+
+TEST_F(Reporter, UnknownAbstractOrigin) {
+  reporter.UnknownAbstractOrigin(0x123456789abcdef1ULL, 0x323456789abcdef2ULL);
+}
+
+TEST_F(Reporter, MissingSection) {
+  reporter.MissingSection("section name");
+}
+
+TEST_F(Reporter, BadLineInfoOffset) {
+  reporter.BadLineInfoOffset(0x123456789abcdef1ULL);
+}
+
+TEST_F(Reporter, UncoveredFunctionDisabled) {
+  reporter.UncoveredFunction(function);
+  EXPECT_FALSE(reporter.uncovered_warnings_enabled());
+}
+
+TEST_F(Reporter, UncoveredFunctionEnabled) {
+  reporter.set_uncovered_warnings_enabled(true);
+  reporter.UncoveredFunction(function);
+  EXPECT_TRUE(reporter.uncovered_warnings_enabled());
+}
+
+TEST_F(Reporter, UncoveredLineDisabled) {
+  reporter.UncoveredLine(line);
+  EXPECT_FALSE(reporter.uncovered_warnings_enabled());
+}
+
+TEST_F(Reporter, UncoveredLineEnabled) {
+  reporter.set_uncovered_warnings_enabled(true);
+  reporter.UncoveredLine(line);
+  EXPECT_TRUE(reporter.uncovered_warnings_enabled());
+}
+
+TEST_F(Reporter, UnnamedFunction) {
+  reporter.UnnamedFunction(0x90c0baff9dedb2d9ULL);
+}
+
+// Would be nice to also test:
+// - overlapping lines, functions