[Lldb-commits] [lldb] r262528 - Add support for reading line tables from PDB files.

Chandler Carruth via lldb-commits lldb-commits at lists.llvm.org
Mon Mar 7 05:59:33 PST 2016


FYI, this produces warnings for me:

[4255/4427] Building CXX object
tools/lldb/unittests/SymbolFile/PDB/CMakeFiles/SymbolFilePDBTests.dir/SymbolFilePDBTests.cpp.o
../tools/lldb/unittests/SymbolFile/PDB/SymbolFilePDBTests.cpp:111:27:
warning: comparison of integers of different signs: 'int' and 'uint32_t'
(aka 'unsigned int') [-Wsign-compare]
        for (int i = 0; i < sc_list.GetSize(); ++i)
                        ~ ^ ~~~~~~~~~~~~~~~~~
In file included from
../tools/lldb/unittests/SymbolFile/PDB/SymbolFilePDBTests.cpp:10:
../utils/unittest/googletest/include/gtest/gtest.h:1320:16: warning:
comparison of integers of different signs: 'const int' and 'const unsigned
int' [-Wsign-compare]
  if (expected == actual) {
      ~~~~~~~~ ^  ~~~~~~
../utils/unittest/googletest/include/gtest/gtest.h:1356:12: note: in
instantiation of function template specialization
'testing::internal::CmpHelperEQ<int, unsigned int>' requested here
    return CmpHelperEQ(expected_expression, actual_expression, expected,
           ^
../tools/lldb/unittests/SymbolFile/PDB/SymbolFilePDBTests.cpp:176:5: note:
in instantiation of function template specialization
'testing::internal::EqHelper<false>::Compare<int, unsigned int>' requested h
ere
    EXPECT_EQ(1, result_count);
    ^
../utils/unittest/googletest/include/gtest/gtest.h:1852:67: note: expanded
from macro 'EXPECT_EQ'
                      EqHelper<GTEST_IS_NULL_LITERAL_(expected)>::Compare, \
                                                                  ^
../utils/unittest/googletest/include/gtest/gtest.h:1455:28: warning:
comparison of integers of different signs: 'const int' and 'const unsigned
int' [-Wsign-compare]

On Wed, Mar 2, 2016 at 11:10 PM Zachary Turner via lldb-commits <
lldb-commits at lists.llvm.org> wrote:

> Author: zturner
> Date: Wed Mar  2 16:05:52 2016
> New Revision: 262528
>
> URL: http://llvm.org/viewvc/llvm-project?rev=262528&view=rev
> Log:
> Add support for reading line tables from PDB files.
>
> PDB is Microsoft's debug information format, and although we
> cannot yet generate it, we still must be able to consume it.
> Reason for this is that debug information for system libraries
> (e.g. kernel32, C Runtime Library, etc) only have debug info
> in PDB format, so in order to be able to support debugging
> of system code, we must support it.
>
> Currently this code should compile on every platform, but on
> non-Windows platforms the PDB plugin will return 0 capabilities,
> meaning that for now PDB is only supported on Windows.  This
> may change in the future, but the API is designed in such a way
> that this will require few (if any) changes on the LLDB side.
> In the future we can just flip a switch and everything will
> work.
>
> This patch only adds support for line tables.  It does not return
> information about functions, types, global variables, or anything
> else.  This functionality will be added in a followup patch.
>
> Differential Revision: http://reviews.llvm.org/D17363
> Reviewed by: Greg Clayton
>
> Added:
>     lldb/trunk/source/Plugins/SymbolFile/PDB/
>     lldb/trunk/source/Plugins/SymbolFile/PDB/CMakeLists.txt
>     lldb/trunk/source/Plugins/SymbolFile/PDB/SymbolFilePDB.cpp
>     lldb/trunk/source/Plugins/SymbolFile/PDB/SymbolFilePDB.h
>     lldb/trunk/unittests/SymbolFile/
>     lldb/trunk/unittests/SymbolFile/CMakeLists.txt
>     lldb/trunk/unittests/SymbolFile/PDB/
>     lldb/trunk/unittests/SymbolFile/PDB/CMakeLists.txt
>     lldb/trunk/unittests/SymbolFile/PDB/Inputs/
>     lldb/trunk/unittests/SymbolFile/PDB/Inputs/test-dwarf.cpp
>     lldb/trunk/unittests/SymbolFile/PDB/Inputs/test-dwarf.exe
>     lldb/trunk/unittests/SymbolFile/PDB/Inputs/test-pdb-alt.cpp
>     lldb/trunk/unittests/SymbolFile/PDB/Inputs/test-pdb-nested.h
>     lldb/trunk/unittests/SymbolFile/PDB/Inputs/test-pdb.cpp
>     lldb/trunk/unittests/SymbolFile/PDB/Inputs/test-pdb.exe
>     lldb/trunk/unittests/SymbolFile/PDB/Inputs/test-pdb.h
>     lldb/trunk/unittests/SymbolFile/PDB/Inputs/test-pdb.pdb
>     lldb/trunk/unittests/SymbolFile/PDB/SymbolFilePDBTests.cpp
> Modified:
>     lldb/trunk/cmake/LLDBDependencies.cmake
>     lldb/trunk/cmake/modules/AddLLDB.cmake
>     lldb/trunk/include/lldb/Host/FileSpec.h
>     lldb/trunk/include/lldb/Host/windows/HostInfoWindows.h
>     lldb/trunk/source/API/SystemInitializerFull.cpp
>     lldb/trunk/source/Host/common/FileSpec.cpp
>     lldb/trunk/source/Host/windows/HostInfoWindows.cpp
>     lldb/trunk/source/Initialization/SystemInitializerCommon.cpp
>     lldb/trunk/source/Plugins/SymbolFile/CMakeLists.txt
>     lldb/trunk/unittests/CMakeLists.txt
>
> Modified: lldb/trunk/cmake/LLDBDependencies.cmake
> URL:
> http://llvm.org/viewvc/llvm-project/lldb/trunk/cmake/LLDBDependencies.cmake?rev=262528&r1=262527&r2=262528&view=diff
>
> ==============================================================================
> --- lldb/trunk/cmake/LLDBDependencies.cmake (original)
> +++ lldb/trunk/cmake/LLDBDependencies.cmake Wed Mar  2 16:05:52 2016
> @@ -15,6 +15,7 @@ set( LLDB_USED_LIBS
>    # Plugins
>    lldbPluginDisassemblerLLVM
>    lldbPluginSymbolFileDWARF
> +  lldbPluginSymbolFilePDB
>    lldbPluginSymbolFileSymtab
>    lldbPluginDynamicLoaderStatic
>    lldbPluginDynamicLoaderPosixDYLD
> @@ -174,7 +175,7 @@ if (LLVM_BUILD_STATIC)
>    endif()
>  endif()
>
> -set( LLVM_LINK_COMPONENTS
> +set(LLVM_LINK_COMPONENTS
>    ${LLVM_TARGETS_TO_BUILD}
>    interpreter
>    asmparser
>
> Modified: lldb/trunk/cmake/modules/AddLLDB.cmake
> URL:
> http://llvm.org/viewvc/llvm-project/lldb/trunk/cmake/modules/AddLLDB.cmake?rev=262528&r1=262527&r2=262528&view=diff
>
> ==============================================================================
> --- lldb/trunk/cmake/modules/AddLLDB.cmake (original)
> +++ lldb/trunk/cmake/modules/AddLLDB.cmake Wed Mar  2 16:05:52 2016
> @@ -68,7 +68,7 @@ macro(add_lldb_library name)
>          target_link_libraries(${name} ${cmake_2_8_12_PUBLIC}
> ${CLANG_USED_LIBS})
>        endif()
>      endif()
> -    llvm_config(${name} ${LLVM_LINK_COMPONENTS})
> +    llvm_config(${name} ${LLVM_LINK_COMPONENTS}
> ${LLVM_PRIVATE_LINK_COMPONENTS})
>
>      if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY OR ${name} STREQUAL "liblldb")
>        if (PARAM_SHARED)
>
> Modified: lldb/trunk/include/lldb/Host/FileSpec.h
> URL:
> http://llvm.org/viewvc/llvm-project/lldb/trunk/include/lldb/Host/FileSpec.h?rev=262528&r1=262527&r2=262528&view=diff
>
> ==============================================================================
> --- lldb/trunk/include/lldb/Host/FileSpec.h (original)
> +++ lldb/trunk/include/lldb/Host/FileSpec.h Wed Mar  2 16:05:52 2016
> @@ -117,6 +117,12 @@ public:
>      //------------------------------------------------------------------
>      ~FileSpec ();
>
> +    bool
> +    DirectoryEquals(const FileSpec &other) const;
> +
> +    bool
> +    FileEquals(const FileSpec &other) const;
> +
>      //------------------------------------------------------------------
>      /// Assignment operator.
>      ///
>
> Modified: lldb/trunk/include/lldb/Host/windows/HostInfoWindows.h
> URL:
> http://llvm.org/viewvc/llvm-project/lldb/trunk/include/lldb/Host/windows/HostInfoWindows.h?rev=262528&r1=262527&r2=262528&view=diff
>
> ==============================================================================
> --- lldb/trunk/include/lldb/Host/windows/HostInfoWindows.h (original)
> +++ lldb/trunk/include/lldb/Host/windows/HostInfoWindows.h Wed Mar  2
> 16:05:52 2016
> @@ -26,14 +26,26 @@ class HostInfoWindows : public HostInfoB
>      ~HostInfoWindows();
>
>    public:
> -    static size_t GetPageSize();
> +      static void
> +      Initialize();
> +      static void
> +      Terminate();
>
> -    static bool GetOSVersion(uint32_t &major, uint32_t &minor, uint32_t
> &update);
> -    static bool GetOSBuildString(std::string &s);
> -    static bool GetOSKernelDescription(std::string &s);
> -    static bool GetHostname(std::string &s);
> -    static FileSpec GetProgramFileSpec();
> -    static FileSpec GetDefaultShell();
> +      static size_t
> +      GetPageSize();
> +
> +      static bool
> +      GetOSVersion(uint32_t &major, uint32_t &minor, uint32_t &update);
> +      static bool
> +      GetOSBuildString(std::string &s);
> +      static bool
> +      GetOSKernelDescription(std::string &s);
> +      static bool
> +      GetHostname(std::string &s);
> +      static FileSpec
> +      GetProgramFileSpec();
> +      static FileSpec
> +      GetDefaultShell();
>
>    protected:
>      static bool ComputePythonDirectory(FileSpec &file_spec);
>
> Modified: lldb/trunk/source/API/SystemInitializerFull.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/lldb/trunk/source/API/SystemInitializerFull.cpp?rev=262528&r1=262527&r2=262528&view=diff
>
> ==============================================================================
> --- lldb/trunk/source/API/SystemInitializerFull.cpp (original)
> +++ lldb/trunk/source/API/SystemInitializerFull.cpp Wed Mar  2 16:05:52
> 2016
> @@ -28,18 +28,18 @@
>  #include "lldb/Symbol/GoASTContext.h"
>  #include "lldb/Symbol/JavaASTContext.h"
>
> -#include "Plugins/ABI/MacOSX-i386/ABIMacOSX_i386.h"
>  #include "Plugins/ABI/MacOSX-arm/ABIMacOSX_arm.h"
>  #include "Plugins/ABI/MacOSX-arm64/ABIMacOSX_arm64.h"
> +#include "Plugins/ABI/MacOSX-i386/ABIMacOSX_i386.h"
>  #include "Plugins/ABI/SysV-arm/ABISysV_arm.h"
>  #include "Plugins/ABI/SysV-arm64/ABISysV_arm64.h"
>  #include "Plugins/ABI/SysV-hexagon/ABISysV_hexagon.h"
>  #include "Plugins/ABI/SysV-i386/ABISysV_i386.h"
> -#include "Plugins/ABI/SysV-x86_64/ABISysV_x86_64.h"
> -#include "Plugins/ABI/SysV-ppc/ABISysV_ppc.h"
> -#include "Plugins/ABI/SysV-ppc64/ABISysV_ppc64.h"
>  #include "Plugins/ABI/SysV-mips/ABISysV_mips.h"
>  #include "Plugins/ABI/SysV-mips64/ABISysV_mips64.h"
> +#include "Plugins/ABI/SysV-ppc/ABISysV_ppc.h"
> +#include "Plugins/ABI/SysV-ppc64/ABISysV_ppc64.h"
> +#include "Plugins/ABI/SysV-x86_64/ABISysV_x86_64.h"
>  #include "Plugins/Disassembler/llvm/DisassemblerLLVMC.h"
>  #include "Plugins/DynamicLoader/Static/DynamicLoaderStatic.h"
>  #include "Plugins/Instruction/ARM64/EmulateInstructionARM64.h"
> @@ -51,10 +51,10 @@
>  #include "Plugins/Language/ObjC/ObjCLanguage.h"
>  #include "Plugins/Language/ObjCPlusPlus/ObjCPlusPlusLanguage.h"
>  #include
> "Plugins/LanguageRuntime/CPlusPlus/ItaniumABI/ItaniumABILanguageRuntime.h"
> -#include
> "Plugins/LanguageRuntime/ObjC/AppleObjCRuntime/AppleObjCRuntimeV1.h"
> -#include
> "Plugins/LanguageRuntime/ObjC/AppleObjCRuntime/AppleObjCRuntimeV2.h"
>  #include "Plugins/LanguageRuntime/Go/GoLanguageRuntime.h"
>  #include "Plugins/LanguageRuntime/Java/JavaLanguageRuntime.h"
> +#include
> "Plugins/LanguageRuntime/ObjC/AppleObjCRuntime/AppleObjCRuntimeV1.h"
> +#include
> "Plugins/LanguageRuntime/ObjC/AppleObjCRuntime/AppleObjCRuntimeV2.h"
>  #include
> "Plugins/LanguageRuntime/RenderScript/RenderScriptRuntime/RenderScriptRuntime.h"
>  #include "Plugins/MemoryHistory/asan/MemoryHistoryASan.h"
>  #include "Plugins/Platform/gdb-server/PlatformRemoteGDBServer.h"
> @@ -63,11 +63,12 @@
>  #include "Plugins/ScriptInterpreter/None/ScriptInterpreterNone.h"
>  #include "Plugins/SymbolFile/DWARF/SymbolFileDWARF.h"
>  #include "Plugins/SymbolFile/DWARF/SymbolFileDWARFDebugMap.h"
> +#include "Plugins/SymbolFile/PDB/SymbolFilePDB.h"
>  #include "Plugins/SymbolFile/Symtab/SymbolFileSymtab.h"
>  #include "Plugins/SymbolVendor/ELF/SymbolVendorELF.h"
>  #include "Plugins/SystemRuntime/MacOSX/SystemRuntimeMacOSX.h"
> -#include "Plugins/UnwindAssembly/x86/UnwindAssembly-x86.h"
>  #include
> "Plugins/UnwindAssembly/InstEmulation/UnwindAssemblyInstEmulation.h"
> +#include "Plugins/UnwindAssembly/x86/UnwindAssembly-x86.h"
>
>  #if defined(__APPLE__)
>  #include "Plugins/Process/mach-core/ProcessMachCore.h"
> @@ -301,6 +302,7 @@ SystemInitializerFull::Initialize()
>
>      SymbolVendorELF::Initialize();
>      SymbolFileDWARF::Initialize();
> +    SymbolFilePDB::Initialize();
>      SymbolFileSymtab::Initialize();
>      UnwindAssemblyInstEmulation::Initialize();
>      UnwindAssembly_x86::Initialize();
> @@ -422,6 +424,7 @@ SystemInitializerFull::Terminate()
>      AddressSanitizerRuntime::Terminate();
>      SymbolVendorELF::Terminate();
>      SymbolFileDWARF::Terminate();
> +    SymbolFilePDB::Terminate();
>      SymbolFileSymtab::Terminate();
>      UnwindAssembly_x86::Terminate();
>      UnwindAssemblyInstEmulation::Terminate();
>
> Modified: lldb/trunk/source/Host/common/FileSpec.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Host/common/FileSpec.cpp?rev=262528&r1=262527&r2=262528&view=diff
>
> ==============================================================================
> --- lldb/trunk/source/Host/common/FileSpec.cpp (original)
> +++ lldb/trunk/source/Host/common/FileSpec.cpp Wed Mar  2 16:05:52 2016
> @@ -390,19 +390,29 @@ FileSpec::operator!() const
>      return !m_directory && !m_filename;
>  }
>
> +bool
> +FileSpec::DirectoryEquals(const FileSpec &rhs) const
> +{
> +    const bool case_sensitive = IsCaseSensitive() ||
> rhs.IsCaseSensitive();
> +    return ConstString::Equals(m_directory, rhs.m_directory,
> case_sensitive);
> +}
> +
> +bool
> +FileSpec::FileEquals(const FileSpec &rhs) const
> +{
> +    const bool case_sensitive = IsCaseSensitive() ||
> rhs.IsCaseSensitive();
> +    return ConstString::Equals(m_filename, rhs.m_filename,
> case_sensitive);
> +}
> +
>  //------------------------------------------------------------------
>  // Equal to operator
>  //------------------------------------------------------------------
>  bool
>  FileSpec::operator== (const FileSpec& rhs) const
>  {
> -    // case sensitivity of equality test
> -    const bool case_sensitive = IsCaseSensitive() ||
> rhs.IsCaseSensitive();
> -
> -    if (!ConstString::Equals(m_filename, rhs.m_filename, case_sensitive))
> +    if (!FileEquals(rhs))
>          return false;
> -
> -    if (ConstString::Equals(m_directory, rhs.m_directory, case_sensitive))
> +    if (DirectoryEquals(rhs))
>          return true;
>
>      // TODO: determine if we want to keep this code in here.
> @@ -451,7 +461,7 @@ FileSpec::operator== (const FileSpec& rh
>      // If we reach this point in the code we were able to resolve both
> paths
>      // and since we only resolve the paths if the basenames are equal,
> then
>      // we can just check if both directories are equal...
> -    return ConstString::Equals(m_directory, rhs.m_directory,
> case_sensitive);
> +    return DirectoryEquals(rhs);
>  }
>
>  //------------------------------------------------------------------
>
> Modified: lldb/trunk/source/Host/windows/HostInfoWindows.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Host/windows/HostInfoWindows.cpp?rev=262528&r1=262527&r2=262528&view=diff
>
> ==============================================================================
> --- lldb/trunk/source/Host/windows/HostInfoWindows.cpp (original)
> +++ lldb/trunk/source/Host/windows/HostInfoWindows.cpp Wed Mar  2 16:05:52
> 2016
> @@ -9,6 +9,8 @@
>
>  #include "lldb/Host/windows/windows.h"
>
> +#include <objbase.h>
> +
>  #include <mutex> // std::once
>
>  #include "lldb/Host/windows/HostInfoWindows.h"
> @@ -21,6 +23,20 @@ using namespace lldb_private;
>
>  FileSpec HostInfoWindows::m_program_filespec;
>
> +void
> +HostInfoWindows::Initialize()
> +{
> +    ::CoInitializeEx(nullptr, COINIT_MULTITHREADED);
> +    HostInfoBase::Initialize();
> +}
> +
> +void
> +HostInfoWindows::Terminate()
> +{
> +    HostInfoBase::Terminate();
> +    ::CoUninitialize();
> +}
> +
>  size_t
>  HostInfoWindows::GetPageSize()
>  {
>
> Modified: lldb/trunk/source/Initialization/SystemInitializerCommon.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Initialization/SystemInitializerCommon.cpp?rev=262528&r1=262527&r2=262528&view=diff
>
> ==============================================================================
> --- lldb/trunk/source/Initialization/SystemInitializerCommon.cpp (original)
> +++ lldb/trunk/source/Initialization/SystemInitializerCommon.cpp Wed Mar
> 2 16:05:52 2016
> @@ -49,8 +49,8 @@
>  #endif
>
>  #if defined(_MSC_VER)
> -#include "lldb/Host/windows/windows.h"
>  #include "Plugins/Process/Windows/Common/ProcessWindowsLog.h"
> +#include "lldb/Host/windows/windows.h"
>  #endif
>
>  #include "llvm/Support/TargetSelect.h"
>
> Modified: lldb/trunk/source/Plugins/SymbolFile/CMakeLists.txt
> URL:
> http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/SymbolFile/CMakeLists.txt?rev=262528&r1=262527&r2=262528&view=diff
>
> ==============================================================================
> --- lldb/trunk/source/Plugins/SymbolFile/CMakeLists.txt (original)
> +++ lldb/trunk/source/Plugins/SymbolFile/CMakeLists.txt Wed Mar  2
> 16:05:52 2016
> @@ -1,2 +1,3 @@
>  add_subdirectory(DWARF)
>  add_subdirectory(Symtab)
> +add_subdirectory(PDB)
>
> Added: lldb/trunk/source/Plugins/SymbolFile/PDB/CMakeLists.txt
> URL:
> http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/SymbolFile/PDB/CMakeLists.txt?rev=262528&view=auto
>
> ==============================================================================
> --- lldb/trunk/source/Plugins/SymbolFile/PDB/CMakeLists.txt (added)
> +++ lldb/trunk/source/Plugins/SymbolFile/PDB/CMakeLists.txt Wed Mar  2
> 16:05:52 2016
> @@ -0,0 +1,6 @@
> +set(LLVM_PRIVATE_LINK_COMPONENTS
> +    DebugInfoPDB)
> +
> +add_lldb_library(lldbPluginSymbolFilePDB
> +  SymbolFilePDB.cpp
> +  )
>
> Added: lldb/trunk/source/Plugins/SymbolFile/PDB/SymbolFilePDB.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/SymbolFile/PDB/SymbolFilePDB.cpp?rev=262528&view=auto
>
> ==============================================================================
> --- lldb/trunk/source/Plugins/SymbolFile/PDB/SymbolFilePDB.cpp (added)
> +++ lldb/trunk/source/Plugins/SymbolFile/PDB/SymbolFilePDB.cpp Wed Mar  2
> 16:05:52 2016
> @@ -0,0 +1,549 @@
> +//===-- SymbolFilePDB.cpp ---------------------------------------*- C++
> -*-===//
> +//
> +//                     The LLVM Compiler Infrastructure
> +//
> +// This file is distributed under the University of Illinois Open Source
> +// License. See LICENSE.TXT for details.
> +//
>
> +//===----------------------------------------------------------------------===//
> +
> +#include "SymbolFilePDB.h"
> +
> +#include "lldb/Core/Module.h"
> +#include "lldb/Core/PluginManager.h"
> +#include "lldb/Symbol/CompileUnit.h"
> +#include "lldb/Symbol/LineTable.h"
> +#include "lldb/Symbol/ObjectFile.h"
> +#include "lldb/Symbol/SymbolContext.h"
> +
> +#include "llvm/DebugInfo/PDB/IPDBEnumChildren.h"
> +#include "llvm/DebugInfo/PDB/IPDBLineNumber.h"
> +#include "llvm/DebugInfo/PDB/IPDBSourceFile.h"
> +#include "llvm/DebugInfo/PDB/PDBSymbol.h"
> +#include "llvm/DebugInfo/PDB/PDBSymbolCompiland.h"
> +#include "llvm/DebugInfo/PDB/PDBSymbolCompilandDetails.h"
> +#include "llvm/DebugInfo/PDB/PDBSymbolExe.h"
> +#include "llvm/DebugInfo/PDB/PDBSymbolFunc.h"
> +#include "llvm/DebugInfo/PDB/PDBSymbolFuncDebugEnd.h"
> +#include "llvm/DebugInfo/PDB/PDBSymbolFuncDebugStart.h"
> +
> +using namespace lldb_private;
> +
> +namespace
> +{
> +    lldb::LanguageType TranslateLanguage(llvm::PDB_Lang lang)
> +    {
> +        switch (lang)
> +        {
> +        case llvm::PDB_Lang::Cpp:
> +            return lldb::LanguageType::eLanguageTypeC_plus_plus;
> +        case llvm::PDB_Lang::C:
> +            return lldb::LanguageType::eLanguageTypeC;
> +        default:
> +            return lldb::LanguageType::eLanguageTypeUnknown;
> +        }
> +    }
> +}
> +
> +void
> +SymbolFilePDB::Initialize()
> +{
> +    PluginManager::RegisterPlugin(GetPluginNameStatic(),
> GetPluginDescriptionStatic(), CreateInstance,
> +                                  DebuggerInitialize);
> +}
> +
> +void
> +SymbolFilePDB::Terminate()
> +{
> +    PluginManager::UnregisterPlugin(CreateInstance);
> +}
> +
> +void
> +SymbolFilePDB::DebuggerInitialize(lldb_private::Debugger &debugger)
> +{
> +}
> +
> +lldb_private::ConstString
> +SymbolFilePDB::GetPluginNameStatic()
> +{
> +    static ConstString g_name("pdb");
> +    return g_name;
> +}
> +
> +const char *
> +SymbolFilePDB::GetPluginDescriptionStatic()
> +{
> +    return "Microsoft PDB debug symbol file reader.";
> +}
> +
> +lldb_private::SymbolFile *
> +SymbolFilePDB::CreateInstance(lldb_private::ObjectFile *obj_file)
> +{
> +    return new SymbolFilePDB(obj_file);
> +}
> +
> +SymbolFilePDB::SymbolFilePDB(lldb_private::ObjectFile *object_file)
> +    : SymbolFile(object_file), m_cached_compile_unit_count(0)
> +{
> +}
> +
> +SymbolFilePDB::~SymbolFilePDB()
> +{
> +}
> +
> +uint32_t
> +SymbolFilePDB::CalculateAbilities()
> +{
> +    if (!m_session_up)
> +    {
> +        // Lazily load and match the PDB file, but only do this once.
> +        std::string exePath = m_obj_file->GetFileSpec().GetPath();
> +        auto error = llvm::loadDataForEXE(llvm::PDB_ReaderType::DIA,
> llvm::StringRef(exePath), m_session_up);
> +        if (error != llvm::PDB_ErrorCode::Success)
> +            return 0;
> +    }
> +    return CompileUnits | LineTables;
> +}
> +
> +void
> +SymbolFilePDB::InitializeObject()
> +{
> +    lldb::addr_t obj_load_address = m_obj_file->GetFileOffset();
> +    m_session_up->setLoadAddress(obj_load_address);
> +}
> +
> +uint32_t
> +SymbolFilePDB::GetNumCompileUnits()
> +{
> +    if (m_cached_compile_unit_count == 0)
> +    {
> +        auto global = m_session_up->getGlobalScope();
> +        auto compilands =
> global->findAllChildren<llvm::PDBSymbolCompiland>();
> +        m_cached_compile_unit_count = compilands->getChildCount();
> +
> +        // The linker can inject an additional "dummy" compilation unit
> into the PDB.
> +        // Ignore this special compile unit for our purposes, if it is
> there.  It is
> +        // always the last one.
> +        auto last_cu =
> compilands->getChildAtIndex(m_cached_compile_unit_count - 1);
> +        std::string name = last_cu->getName();
> +        if (name == "* Linker *")
> +            --m_cached_compile_unit_count;
> +    }
> +    return m_cached_compile_unit_count;
> +}
> +
> +lldb::CompUnitSP
> +SymbolFilePDB::ParseCompileUnitAtIndex(uint32_t index)
> +{
> +    auto global = m_session_up->getGlobalScope();
> +    auto compilands = global->findAllChildren<llvm::PDBSymbolCompiland>();
> +    auto cu = compilands->getChildAtIndex(index);
> +
> +    uint32_t id = cu->getSymIndexId();
> +
> +    return ParseCompileUnitForSymIndex(id);
> +}
> +
> +lldb::LanguageType
> +SymbolFilePDB::ParseCompileUnitLanguage(const lldb_private::SymbolContext
> &sc)
> +{
> +    // What fields should I expect to be filled out on the
> SymbolContext?  Is it
> +    // safe to assume that `sc.comp_unit` is valid?
> +    if (!sc.comp_unit)
> +        return lldb::eLanguageTypeUnknown;
> +
> +    auto cu =
> m_session_up->getConcreteSymbolById<llvm::PDBSymbolCompiland>(sc.comp_unit->GetID());
> +    if (!cu)
> +        return lldb::eLanguageTypeUnknown;
> +    auto details = cu->findOneChild<llvm::PDBSymbolCompilandDetails>();
> +    if (!details)
> +        return lldb::eLanguageTypeUnknown;
> +    return TranslateLanguage(details->getLanguage());
> +}
> +
> +size_t
> +SymbolFilePDB::ParseCompileUnitFunctions(const
> lldb_private::SymbolContext &sc)
> +{
> +    // TODO: Implement this
> +    return size_t();
> +}
> +
> +bool
> +SymbolFilePDB::ParseCompileUnitLineTable(const
> lldb_private::SymbolContext &sc)
> +{
> +    return ParseCompileUnitLineTable(sc, 0);
> +}
> +
> +bool
> +SymbolFilePDB::ParseCompileUnitDebugMacros(const
> lldb_private::SymbolContext &sc)
> +{
> +    // PDB doesn't contain information about macros
> +    return false;
> +}
> +
> +bool
> +SymbolFilePDB::ParseCompileUnitSupportFiles(const
> lldb_private::SymbolContext &sc,
> +                                            lldb_private::FileSpecList
> &support_files)
> +{
> +    if (!sc.comp_unit)
> +        return false;
> +
> +    // In theory this is unnecessary work for us, because all of this
> information is easily
> +    // (and quickly) accessible from DebugInfoPDB, so caching it a second
> time seems like a waste.
> +    // Unfortunately, there's no good way around this short of a moderate
> refactor, since SymbolVendor
> +    // depends on being able to cache this list.
> +    auto cu =
> m_session_up->getConcreteSymbolById<llvm::PDBSymbolCompiland>(sc.comp_unit->GetID());
> +    if (!cu)
> +        return false;
> +    auto files = m_session_up->getSourceFilesForCompiland(*cu);
> +    if (!files || files->getChildCount() == 0)
> +        return false;
> +
> +    while (auto file = files->getNext())
> +    {
> +        FileSpec spec(file->getFileName(), false);
> +        support_files.Append(spec);
> +    }
> +    return true;
> +}
> +
> +bool
> +SymbolFilePDB::ParseImportedModules(const lldb_private::SymbolContext &sc,
> +
> std::vector<lldb_private::ConstString> &imported_modules)
> +{
> +    // PDB does not yet support module debug info
> +    return false;
> +}
> +
> +size_t
> +SymbolFilePDB::ParseFunctionBlocks(const lldb_private::SymbolContext &sc)
> +{
> +    // TODO: Implement this
> +    return size_t();
> +}
> +
> +size_t
> +SymbolFilePDB::ParseTypes(const lldb_private::SymbolContext &sc)
> +{
> +    // TODO: Implement this
> +    return size_t();
> +}
> +
> +size_t
> +SymbolFilePDB::ParseVariablesForContext(const lldb_private::SymbolContext
> &sc)
> +{
> +    // TODO: Implement this
> +    return size_t();
> +}
> +
> +lldb_private::Type *
> +SymbolFilePDB::ResolveTypeUID(lldb::user_id_t type_uid)
> +{
> +    return nullptr;
> +}
> +
> +bool
> +SymbolFilePDB::CompleteType(lldb_private::CompilerType &compiler_type)
> +{
> +    // TODO: Implement this
> +    return false;
> +}
> +
> +lldb_private::CompilerDecl
> +SymbolFilePDB::GetDeclForUID(lldb::user_id_t uid)
> +{
> +    return lldb_private::CompilerDecl();
> +}
> +
> +lldb_private::CompilerDeclContext
> +SymbolFilePDB::GetDeclContextForUID(lldb::user_id_t uid)
> +{
> +    return lldb_private::CompilerDeclContext();
> +}
> +
> +lldb_private::CompilerDeclContext
> +SymbolFilePDB::GetDeclContextContainingUID(lldb::user_id_t uid)
> +{
> +    return lldb_private::CompilerDeclContext();
> +}
> +
> +void
> +SymbolFilePDB::ParseDeclsForContext(lldb_private::CompilerDeclContext
> decl_ctx)
> +{
> +}
> +
> +uint32_t
> +SymbolFilePDB::ResolveSymbolContext(const lldb_private::Address &so_addr,
> uint32_t resolve_scope,
> +                                    lldb_private::SymbolContext &sc)
> +{
> +    return uint32_t();
> +}
> +
> +uint32_t
> +SymbolFilePDB::ResolveSymbolContext(const lldb_private::FileSpec
> &file_spec, uint32_t line, bool check_inlines,
> +                                    uint32_t resolve_scope,
> lldb_private::SymbolContextList &sc_list)
> +{
> +    if (resolve_scope & lldb::eSymbolContextCompUnit)
> +    {
> +        // Locate all compilation units with line numbers referencing the
> specified file.  For example, if
> +        // `file_spec` is <vector>, then this should return all source
> files and header files that reference
> +        // <vector>, either directly or indirectly.
> +        auto compilands =
> +
> m_session_up->findCompilandsForSourceFile(file_spec.GetPath(),
> llvm::PDB_NameSearchFlags::NS_CaseInsensitive);
> +
> +        // For each one, either find get its previously parsed data, or
> parse it afresh and add it to
> +        // the symbol context list.
> +        while (auto compiland = compilands->getNext())
> +        {
> +            // If we're not checking inlines, then don't add line
> information for this file unless the FileSpec
> +            // matches.
> +            if (!check_inlines)
> +            {
> +                // `getSourceFileName` returns the basename of the
> original source file used to generate this compiland.
> +                // It does not return the full path.  Currently the only
> way to get that is to do a basename lookup to
> +                // get the IPDBSourceFile, but this is ambiguous in the
> case of two source files with the same name
> +                // contributing to the same compiland.  This is a
> moderately extreme edge case, so we consider this ok
> +                // for now, although we need to find a long term solution.
> +                std::string source_file = compiland->getSourceFileName();
> +                auto pdb_file =
> m_session_up->findOneSourceFile(compiland.get(), source_file,
> +
> llvm::PDB_NameSearchFlags::NS_CaseInsensitive);
> +                source_file = pdb_file->getFileName();
> +                FileSpec this_spec(source_file, false,
> FileSpec::ePathSyntaxWindows);
> +                if (!file_spec.FileEquals(this_spec))
> +                    continue;
> +            }
> +
> +            SymbolContext sc;
> +            auto cu =
> ParseCompileUnitForSymIndex(compiland->getSymIndexId());
> +            sc.comp_unit = cu.get();
> +            sc.module_sp = cu->GetModule();
> +            sc_list.Append(sc);
> +
> +            // If we were asked to resolve line entries, add all entries
> to the line table that match the requested
> +            // line (or all lines if `line` == 0)
> +            if (resolve_scope & lldb::eSymbolContextLineEntry)
> +                ParseCompileUnitLineTable(sc, line);
> +        }
> +    }
> +    return sc_list.GetSize();
> +}
> +
> +uint32_t
> +SymbolFilePDB::FindGlobalVariables(const lldb_private::ConstString &name,
> +                                   const
> lldb_private::CompilerDeclContext *parent_decl_ctx, bool append,
> +                                   uint32_t max_matches,
> lldb_private::VariableList &variables)
> +{
> +    return uint32_t();
> +}
> +
> +uint32_t
> +SymbolFilePDB::FindGlobalVariables(const lldb_private::RegularExpression
> &regex, bool append, uint32_t max_matches,
> +                                   lldb_private::VariableList &variables)
> +{
> +    return uint32_t();
> +}
> +
> +uint32_t
> +SymbolFilePDB::FindFunctions(const lldb_private::ConstString &name,
> +                             const lldb_private::CompilerDeclContext
> *parent_decl_ctx, uint32_t name_type_mask,
> +                             bool include_inlines, bool append,
> lldb_private::SymbolContextList &sc_list)
> +{
> +    return uint32_t();
> +}
> +
> +uint32_t
> +SymbolFilePDB::FindFunctions(const lldb_private::RegularExpression
> &regex, bool include_inlines, bool append,
> +                             lldb_private::SymbolContextList &sc_list)
> +{
> +    return uint32_t();
> +}
> +
> +void
> +SymbolFilePDB::GetMangledNamesForFunction(const std::string
> &scope_qualified_name,
> +
> std::vector<lldb_private::ConstString> &mangled_names)
> +{
> +}
> +
> +uint32_t
> +SymbolFilePDB::FindTypes(const lldb_private::SymbolContext &sc, const
> lldb_private::ConstString &name,
> +                         const lldb_private::CompilerDeclContext
> *parent_decl_ctx, bool append, uint32_t max_matches,
> +                         llvm::DenseSet<lldb_private::SymbolFile *>
> &searched_symbol_files,
> +                         lldb_private::TypeMap &types)
> +{
> +    return uint32_t();
> +}
> +
> +size_t
> +SymbolFilePDB::FindTypes(const std::vector<lldb_private::CompilerContext>
> &context, bool append,
> +                         lldb_private::TypeMap &types)
> +{
> +    return size_t();
> +}
> +
> +lldb_private::TypeList *
> +SymbolFilePDB::GetTypeList()
> +{
> +    return nullptr;
> +}
> +
> +size_t
> +SymbolFilePDB::GetTypes(lldb_private::SymbolContextScope *sc_scope,
> uint32_t type_mask,
> +                        lldb_private::TypeList &type_list)
> +{
> +    return size_t();
> +}
> +
> +lldb_private::TypeSystem *
> +SymbolFilePDB::GetTypeSystemForLanguage(lldb::LanguageType language)
> +{
> +    auto type_system =
> m_obj_file->GetModule()->GetTypeSystemForLanguage(language);
> +    if (type_system)
> +        type_system->SetSymbolFile(this);
> +    return type_system;
> +}
> +
> +lldb_private::CompilerDeclContext
> +SymbolFilePDB::FindNamespace(const lldb_private::SymbolContext &sc, const
> lldb_private::ConstString &name,
> +                             const lldb_private::CompilerDeclContext
> *parent_decl_ctx)
> +{
> +    return lldb_private::CompilerDeclContext();
> +}
> +
> +lldb_private::ConstString
> +SymbolFilePDB::GetPluginName()
> +{
> +    static ConstString g_name("pdb");
> +    return g_name;
> +}
> +
> +uint32_t
> +SymbolFilePDB::GetPluginVersion()
> +{
> +    return 1;
> +}
> +
> +lldb::CompUnitSP
> +SymbolFilePDB::ParseCompileUnitForSymIndex(uint32_t id)
> +{
> +    auto found_cu = m_comp_units.find(id);
> +    if (found_cu != m_comp_units.end())
> +        return found_cu->second;
> +
> +    auto cu =
> m_session_up->getConcreteSymbolById<llvm::PDBSymbolCompiland>(id);
> +
> +    // `getSourceFileName` returns the basename of the original source
> file used to generate this compiland.  It does
> +    // not return the full path.  Currently the only way to get that is
> to do a basename lookup to get the
> +    // IPDBSourceFile, but this is ambiguous in the case of two source
> files with the same name contributing to the
> +    // same compiland. This is a moderately extreme edge case, so we
> consider this ok for now, although we need to find
> +    // a long term solution.
> +    auto file = m_session_up->findOneSourceFile(cu.get(),
> cu->getSourceFileName(),
> +
> llvm::PDB_NameSearchFlags::NS_CaseInsensitive);
> +    std::string path = file->getFileName();
> +
> +    lldb::LanguageType lang;
> +    auto details = cu->findOneChild<llvm::PDBSymbolCompilandDetails>();
> +    if (!details)
> +        lang = lldb::eLanguageTypeC_plus_plus;
> +    else
> +        lang = TranslateLanguage(details->getLanguage());
> +
> +    // Don't support optimized code for now, DebugInfoPDB does not return
> this information.
> +    bool optimized = false;
> +    auto result = std::make_shared<CompileUnit>(m_obj_file->GetModule(),
> nullptr, path.c_str(), id, lang, optimized);
> +    m_comp_units.insert(std::make_pair(id, result));
> +    return result;
> +}
> +
> +bool
> +SymbolFilePDB::ParseCompileUnitLineTable(const
> lldb_private::SymbolContext &sc, uint32_t match_line)
> +{
> +    auto global = m_session_up->getGlobalScope();
> +    auto cu =
> m_session_up->getConcreteSymbolById<llvm::PDBSymbolCompiland>(sc.comp_unit->GetID());
> +
> +    // LineEntry needs the *index* of the file into the list of support
> files returned by
> +    // ParseCompileUnitSupportFiles.  But the underlying SDK gives us a
> globally unique
> +    // idenfitifier in the namespace of the PDB.  So, we have to do a
> mapping so that we
> +    // can hand out indices.
> +    std::unordered_map<uint32_t, uint32_t> index_map;
> +    BuildSupportFileIdToSupportFileIndexMap(*cu, index_map);
> +    auto line_table = llvm::make_unique<LineTable>(sc.comp_unit);
> +
> +    // Find contributions to `cu` from all source and header files.
> +    std::string path = sc.comp_unit->GetPath();
> +    auto files = m_session_up->getSourceFilesForCompiland(*cu);
> +
> +    // For each source and header file, create a LineSequence for
> contributions to the cu
> +    // from that file, and add the sequence.
> +    while (auto file = files->getNext())
> +    {
> +        std::unique_ptr<LineSequence>
> sequence(line_table->CreateLineSequenceContainer());
> +        auto lines = m_session_up->findLineNumbers(*cu, *file);
> +        int entry_count = lines->getChildCount();
> +
> +        for (int i = 0; i < entry_count; ++i)
> +        {
> +            auto line = lines->getChildAtIndex(i);
> +            uint32_t lno = line->getLineNumber();
> +
> +            // If `match_line` == 0 we add any line no matter what.
> Otherwise, we only add
> +            // lines that match the requested line number.
> +            if (match_line != 0 && lno != match_line)
> +                continue;
> +
> +            uint64_t va = line->getVirtualAddress();
> +            uint32_t cno = line->getColumnNumber();
> +            uint32_t source_id = line->getSourceFileId();
> +            uint32_t source_idx = index_map[source_id];
> +
> +            bool is_basic_block = false; // PDB doesn't even have this
> concept, but LLDB doesn't use it anyway.
> +            bool is_prologue = false;
> +            bool is_epilogue = false;
> +            bool is_statement = line->isStatement();
> +            auto func = m_session_up->findSymbolByAddress(va,
> llvm::PDB_SymType::Function);
> +            if (func)
> +            {
> +                auto prologue =
> func->findOneChild<llvm::PDBSymbolFuncDebugStart>();
> +                is_prologue = (va == prologue->getVirtualAddress());
> +
> +                auto epilogue =
> func->findOneChild<llvm::PDBSymbolFuncDebugEnd>();
> +                is_epilogue = (va == epilogue->getVirtualAddress());
> +
> +                if (is_epilogue)
> +                {
> +                    // Once per function, add a termination entry after
> the last byte of the function.
> +                    // TODO: This makes the assumption that all functions
> are laid out contiguously in
> +                    // memory and have no gaps.  This is a wrong
> assumption in the general case, but is
> +                    // good enough to allow simple scenarios to work.
> This needs to be revisited.
> +                    auto concrete_func =
> llvm::dyn_cast<llvm::PDBSymbolFunc>(func.get());
> +                    lldb::addr_t end_addr =
> concrete_func->getVirtualAddress() + concrete_func->getLength();
> +                    line_table->InsertLineEntry(end_addr, lno, 0,
> source_idx, false, false, false, false, true);
> +                }
> +            }
> +
> +            line_table->InsertLineEntry(va, lno, cno, source_idx,
> is_statement, is_basic_block, is_prologue,
> +                                        is_epilogue, false);
> +        }
> +    }
> +
> +    sc.comp_unit->SetLineTable(line_table.release());
> +    return true;
> +}
> +
> +void
> +SymbolFilePDB::BuildSupportFileIdToSupportFileIndexMap(const
> llvm::PDBSymbolCompiland &cu,
> +
>  std::unordered_map<uint32_t, uint32_t> &index_map) const
> +{
> +    // This is a hack, but we need to convert the source id into an index
> into the support
> +    // files array.  We don't want to do path comparisons to avoid
> basename / full path
> +    // issues that may or may not even be a problem, so we use the
> globally unique source
> +    // file identifiers.  Ideally we could use the global identifiers
> everywhere, but LineEntry
> +    // currently assumes indices.
> +    auto source_files = m_session_up->getSourceFilesForCompiland(cu);
> +    int index = 0;
> +
> +    while (auto file = source_files->getNext())
> +    {
> +        uint32_t source_id = file->getUniqueId();
> +        index_map[source_id] = index++;
> +    }
> +}
>
> Added: lldb/trunk/source/Plugins/SymbolFile/PDB/SymbolFilePDB.h
> URL:
> http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/SymbolFile/PDB/SymbolFilePDB.h?rev=262528&view=auto
>
> ==============================================================================
> --- lldb/trunk/source/Plugins/SymbolFile/PDB/SymbolFilePDB.h (added)
> +++ lldb/trunk/source/Plugins/SymbolFile/PDB/SymbolFilePDB.h Wed Mar  2
> 16:05:52 2016
> @@ -0,0 +1,190 @@
> +//===-- SymbolFilePDB.h -------------------------------------*- C++
> -*-===//
> +//
> +//                     The LLVM Compiler Infrastructure
> +//
> +// This file is distributed under the University of Illinois Open Source
> +// License. See LICENSE.TXT for details.
> +//
>
> +//===----------------------------------------------------------------------===//
> +
> +#ifndef lldb_Plugins_SymbolFile_PDB_SymbolFilePDB_h_
> +#define lldb_Plugins_SymbolFile_PDB_SymbolFilePDB_h_
> +
> +#include <unordered_map>
> +
> +#include "lldb/Core/UserID.h"
> +#include "lldb/Symbol/SymbolFile.h"
> +
> +#include "llvm/DebugInfo/PDB/IPDBSession.h"
> +#include "llvm/DebugInfo/PDB/PDB.h"
> +
> +class SymbolFilePDB : public lldb_private::SymbolFile
> +{
> +public:
> +    //------------------------------------------------------------------
> +    // Static Functions
> +    //------------------------------------------------------------------
> +    static void
> +    Initialize();
> +
> +    static void
> +    Terminate();
> +
> +    static void
> +    DebuggerInitialize(lldb_private::Debugger &debugger);
> +
> +    static lldb_private::ConstString
> +    GetPluginNameStatic();
> +
> +    static const char *
> +    GetPluginDescriptionStatic();
> +
> +    static lldb_private::SymbolFile *
> +    CreateInstance(lldb_private::ObjectFile *obj_file);
> +
> +    //------------------------------------------------------------------
> +    // Constructors and Destructors
> +    //------------------------------------------------------------------
> +    SymbolFilePDB(lldb_private::ObjectFile *ofile);
> +
> +    ~SymbolFilePDB() override;
> +
> +    uint32_t
> +    CalculateAbilities() override;
> +
> +    void
> +    InitializeObject() override;
> +
> +    //------------------------------------------------------------------
> +    // Compile Unit function calls
> +    //------------------------------------------------------------------
> +
> +    uint32_t
> +    GetNumCompileUnits() override;
> +
> +    lldb::CompUnitSP
> +    ParseCompileUnitAtIndex(uint32_t index) override;
> +
> +    lldb::LanguageType
> +    ParseCompileUnitLanguage(const lldb_private::SymbolContext &sc)
> override;
> +
> +    size_t
> +    ParseCompileUnitFunctions(const lldb_private::SymbolContext &sc)
> override;
> +
> +    bool
> +    ParseCompileUnitLineTable(const lldb_private::SymbolContext &sc)
> override;
> +
> +    bool
> +    ParseCompileUnitDebugMacros(const lldb_private::SymbolContext &sc)
> override;
> +
> +    bool
> +    ParseCompileUnitSupportFiles(const lldb_private::SymbolContext &sc,
> +                                 lldb_private::FileSpecList
> &support_files) override;
> +
> +    bool
> +    ParseImportedModules(const lldb_private::SymbolContext &sc,
> +                         std::vector<lldb_private::ConstString>
> &imported_modules) override;
> +
> +    size_t
> +    ParseFunctionBlocks(const lldb_private::SymbolContext &sc) override;
> +
> +    size_t
> +    ParseTypes(const lldb_private::SymbolContext &sc) override;
> +
> +    size_t
> +    ParseVariablesForContext(const lldb_private::SymbolContext &sc)
> override;
> +
> +    lldb_private::Type *
> +    ResolveTypeUID(lldb::user_id_t type_uid) override;
> +
> +    bool
> +    CompleteType(lldb_private::CompilerType &compiler_type) override;
> +
> +    lldb_private::CompilerDecl
> +    GetDeclForUID(lldb::user_id_t uid) override;
> +
> +    lldb_private::CompilerDeclContext
> +    GetDeclContextForUID(lldb::user_id_t uid) override;
> +
> +    lldb_private::CompilerDeclContext
> +    GetDeclContextContainingUID(lldb::user_id_t uid) override;
> +
> +    void
> +    ParseDeclsForContext(lldb_private::CompilerDeclContext decl_ctx)
> override;
> +
> +    uint32_t
> +    ResolveSymbolContext(const lldb_private::Address &so_addr, uint32_t
> resolve_scope,
> +                         lldb_private::SymbolContext &sc) override;
> +
> +    uint32_t
> +    ResolveSymbolContext(const lldb_private::FileSpec &file_spec,
> uint32_t line, bool check_inlines,
> +                         uint32_t resolve_scope,
> lldb_private::SymbolContextList &sc_list) override;
> +
> +    uint32_t
> +    FindGlobalVariables(const lldb_private::ConstString &name, const
> lldb_private::CompilerDeclContext *parent_decl_ctx,
> +                        bool append, uint32_t max_matches,
> lldb_private::VariableList &variables) override;
> +
> +    uint32_t
> +    FindGlobalVariables(const lldb_private::RegularExpression &regex,
> bool append, uint32_t max_matches,
> +                        lldb_private::VariableList &variables) override;
> +
> +    uint32_t
> +    FindFunctions(const lldb_private::ConstString &name, const
> lldb_private::CompilerDeclContext *parent_decl_ctx,
> +                  uint32_t name_type_mask, bool include_inlines, bool
> append,
> +                  lldb_private::SymbolContextList &sc_list) override;
> +
> +    uint32_t
> +    FindFunctions(const lldb_private::RegularExpression &regex, bool
> include_inlines, bool append,
> +                  lldb_private::SymbolContextList &sc_list) override;
> +
> +    void
> +    GetMangledNamesForFunction(const std::string &scope_qualified_name,
> +                               std::vector<lldb_private::ConstString>
> &mangled_names) override;
> +
> +    uint32_t
> +    FindTypes(const lldb_private::SymbolContext &sc, const
> lldb_private::ConstString &name,
> +              const lldb_private::CompilerDeclContext *parent_decl_ctx,
> bool append, uint32_t max_matches,
> +              llvm::DenseSet<lldb_private::SymbolFile *>
> &searched_symbol_files, lldb_private::TypeMap &types) override;
> +
> +    size_t
> +    FindTypes(const std::vector<lldb_private::CompilerContext> &context,
> bool append,
> +              lldb_private::TypeMap &types) override;
> +
> +    lldb_private::TypeList *
> +    GetTypeList() override;
> +
> +    size_t
> +    GetTypes(lldb_private::SymbolContextScope *sc_scope, uint32_t
> type_mask,
> +             lldb_private::TypeList &type_list) override;
> +
> +    lldb_private::TypeSystem *
> +    GetTypeSystemForLanguage(lldb::LanguageType language) override;
> +
> +    lldb_private::CompilerDeclContext
> +    FindNamespace(const lldb_private::SymbolContext &sc, const
> lldb_private::ConstString &name,
> +                  const lldb_private::CompilerDeclContext
> *parent_decl_ctx) override;
> +
> +    lldb_private::ConstString
> +    GetPluginName() override;
> +
> +    uint32_t
> +    GetPluginVersion() override;
> +
> +private:
> +    lldb::CompUnitSP
> +    ParseCompileUnitForSymIndex(uint32_t id);
> +
> +    bool
> +    ParseCompileUnitLineTable(const lldb_private::SymbolContext &sc,
> uint32_t match_line);
> +
> +    void
> +    BuildSupportFileIdToSupportFileIndexMap(const
> llvm::PDBSymbolCompiland &cu,
> +                                            std::unordered_map<uint32_t,
> uint32_t> &index_map) const;
> +
> +    std::unordered_map<uint32_t, lldb::CompUnitSP> m_comp_units;
> +
> +    std::unique_ptr<llvm::IPDBSession> m_session_up;
> +    uint32_t m_cached_compile_unit_count;
> +};
> +
> +#endif // lldb_Plugins_SymbolFile_PDB_SymbolFilePDB_h_
>
> Modified: lldb/trunk/unittests/CMakeLists.txt
> URL:
> http://llvm.org/viewvc/llvm-project/lldb/trunk/unittests/CMakeLists.txt?rev=262528&r1=262527&r2=262528&view=diff
>
> ==============================================================================
> --- lldb/trunk/unittests/CMakeLists.txt (original)
> +++ lldb/trunk/unittests/CMakeLists.txt Wed Mar  2 16:05:52 2016
> @@ -18,15 +18,31 @@ function(add_lldb_unittest test_name)
>      ${ARGN}
>      )
>
> +  add_custom_command(
> +    TARGET ${test_name}
> +    POST_BUILD
> +    COMMAND "${CMAKE_COMMAND}" -E make_directory
> ${CMAKE_CURRENT_BINARY_DIR}/Inputs)
> +
>    lldb_link_common_libs(${test_name} EXE)
>    target_link_libraries(${test_name} ${CLANG_USED_LIBS}
> ${LLDB_SYSTEM_LIBS})
>    llvm_config(${test_name} ${LLVM_LINK_COMPONENTS})
>  endfunction()
>
> +function(add_unittest_inputs test_name inputs)
> +  foreach (INPUT ${inputs})
> +    add_custom_command(
> +      TARGET ${test_name}
> +      POST_BUILD
> +      COMMAND "${CMAKE_COMMAND}" -E copy
> ${CMAKE_CURRENT_SOURCE_DIR}/Inputs/${INPUT}
> ${CMAKE_CURRENT_BINARY_DIR}/Inputs
> +      COMMENT "Copying ${INPUT} to binary directory.")
> +  endforeach()
> +endfunction()
> +
>  add_subdirectory(Core)
>  add_subdirectory(Editline)
>  add_subdirectory(Expression)
>  add_subdirectory(Host)
>  add_subdirectory(Interpreter)
>  add_subdirectory(ScriptInterpreter)
> +add_subdirectory(SymbolFile)
>  add_subdirectory(Utility)
>
> Added: lldb/trunk/unittests/SymbolFile/CMakeLists.txt
> URL:
> http://llvm.org/viewvc/llvm-project/lldb/trunk/unittests/SymbolFile/CMakeLists.txt?rev=262528&view=auto
>
> ==============================================================================
> --- lldb/trunk/unittests/SymbolFile/CMakeLists.txt (added)
> +++ lldb/trunk/unittests/SymbolFile/CMakeLists.txt Wed Mar  2 16:05:52 2016
> @@ -0,0 +1 @@
> +add_subdirectory(PDB)
>
> Added: lldb/trunk/unittests/SymbolFile/PDB/CMakeLists.txt
> URL:
> http://llvm.org/viewvc/llvm-project/lldb/trunk/unittests/SymbolFile/PDB/CMakeLists.txt?rev=262528&view=auto
>
> ==============================================================================
> --- lldb/trunk/unittests/SymbolFile/PDB/CMakeLists.txt (added)
> +++ lldb/trunk/unittests/SymbolFile/PDB/CMakeLists.txt Wed Mar  2 16:05:52
> 2016
> @@ -0,0 +1,10 @@
> +add_lldb_unittest(SymbolFilePDBTests
> +  SymbolFilePDBTests.cpp
> +  )
> +
> +set(test_inputs
> +   test-pdb.exe
> +   test-pdb.pdb
> +   test-dwarf.exe)
> +
> +add_unittest_inputs(SymbolFilePDBTests "${test_inputs}")
>
> Added: lldb/trunk/unittests/SymbolFile/PDB/Inputs/test-dwarf.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/lldb/trunk/unittests/SymbolFile/PDB/Inputs/test-dwarf.cpp?rev=262528&view=auto
>
> ==============================================================================
> --- lldb/trunk/unittests/SymbolFile/PDB/Inputs/test-dwarf.cpp (added)
> +++ lldb/trunk/unittests/SymbolFile/PDB/Inputs/test-dwarf.cpp Wed Mar  2
> 16:05:52 2016
> @@ -0,0 +1,14 @@
> +// Compile with "cl /c /Zi /GR- test.cpp"
> +// Link with "link test.obj /debug /nodefaultlib /entry:main
> /out:test.exe"
> +
> +int __cdecl _purecall(void)
> +{
> +    return 0;
> +}
> +
> +int
> +main(int argc, char **argv)
> +{
> +
> +    return 0;
> +}
>
> Added: lldb/trunk/unittests/SymbolFile/PDB/Inputs/test-dwarf.exe
> URL:
> http://llvm.org/viewvc/llvm-project/lldb/trunk/unittests/SymbolFile/PDB/Inputs/test-dwarf.exe?rev=262528&view=auto
>
> ==============================================================================
> Binary files lldb/trunk/unittests/SymbolFile/PDB/Inputs/test-dwarf.exe
> (added) and lldb/trunk/unittests/SymbolFile/PDB/Inputs/test-dwarf.exe Wed
> Mar  2 16:05:52 2016 differ
>
> Added: lldb/trunk/unittests/SymbolFile/PDB/Inputs/test-pdb-alt.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/lldb/trunk/unittests/SymbolFile/PDB/Inputs/test-pdb-alt.cpp?rev=262528&view=auto
>
> ==============================================================================
> --- lldb/trunk/unittests/SymbolFile/PDB/Inputs/test-pdb-alt.cpp (added)
> +++ lldb/trunk/unittests/SymbolFile/PDB/Inputs/test-pdb-alt.cpp Wed Mar  2
> 16:05:52 2016
> @@ -0,0 +1,9 @@
> +// Compile with "cl /c /Zi /GR- test-pdb-alt.cpp"
> +// Link with "link test-pdb.obj test-pdb-alt.obj /debug /nodefaultlib
> /entry:main /out:test-pdb.exe"
> +
> +#include "test-pdb.h"
> +
> +int bar(int n)
> +{
> +    return n-1;
> +}
>
> Added: lldb/trunk/unittests/SymbolFile/PDB/Inputs/test-pdb-nested.h
> URL:
> http://llvm.org/viewvc/llvm-project/lldb/trunk/unittests/SymbolFile/PDB/Inputs/test-pdb-nested.h?rev=262528&view=auto
>
> ==============================================================================
> --- lldb/trunk/unittests/SymbolFile/PDB/Inputs/test-pdb-nested.h (added)
> +++ lldb/trunk/unittests/SymbolFile/PDB/Inputs/test-pdb-nested.h Wed Mar
> 2 16:05:52 2016
> @@ -0,0 +1,9 @@
> +#ifndef TEST_PDB_NESTED_H
> +#define TEST_PDB_NESTED_H
> +
> +inline int baz(int n)
> +{
> +    return n+1;
> +}
> +
> +#endif
> \ No newline at end of file
>
> Added: lldb/trunk/unittests/SymbolFile/PDB/Inputs/test-pdb.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/lldb/trunk/unittests/SymbolFile/PDB/Inputs/test-pdb.cpp?rev=262528&view=auto
>
> ==============================================================================
> --- lldb/trunk/unittests/SymbolFile/PDB/Inputs/test-pdb.cpp (added)
> +++ lldb/trunk/unittests/SymbolFile/PDB/Inputs/test-pdb.cpp Wed Mar  2
> 16:05:52 2016
> @@ -0,0 +1,15 @@
> +// Compile with "cl /c /Zi /GR- test-pdb.cpp"
> +// Link with "link test-pdb.obj /debug /nodefaultlib /entry:main
> /out:test-pdb.exe"
> +
> +#include "test-pdb.h"
> +
> +int __cdecl _purecall(void)
> +{
> +    return 0;
> +}
> +
> +int
> +main(int argc, char **argv)
> +{
> +    return foo(argc) + bar(argc);
> +}
>
> Added: lldb/trunk/unittests/SymbolFile/PDB/Inputs/test-pdb.exe
> URL:
> http://llvm.org/viewvc/llvm-project/lldb/trunk/unittests/SymbolFile/PDB/Inputs/test-pdb.exe?rev=262528&view=auto
>
> ==============================================================================
> Binary files lldb/trunk/unittests/SymbolFile/PDB/Inputs/test-pdb.exe
> (added) and lldb/trunk/unittests/SymbolFile/PDB/Inputs/test-pdb.exe Wed
> Mar  2 16:05:52 2016 differ
>
> Added: lldb/trunk/unittests/SymbolFile/PDB/Inputs/test-pdb.h
> URL:
> http://llvm.org/viewvc/llvm-project/lldb/trunk/unittests/SymbolFile/PDB/Inputs/test-pdb.h?rev=262528&view=auto
>
> ==============================================================================
> --- lldb/trunk/unittests/SymbolFile/PDB/Inputs/test-pdb.h (added)
> +++ lldb/trunk/unittests/SymbolFile/PDB/Inputs/test-pdb.h Wed Mar  2
> 16:05:52 2016
> @@ -0,0 +1,13 @@
> +#ifndef TEST_PDB_H
> +#define TEST_PDB_H
> +
> +#include "test-pdb-nested.h"
> +
> +int bar(int n);
> +
> +inline int foo(int n)
> +{
> +    return baz(n)+1;
> +}
> +
> +#endif
> \ No newline at end of file
>
> Added: lldb/trunk/unittests/SymbolFile/PDB/Inputs/test-pdb.pdb
> URL:
> http://llvm.org/viewvc/llvm-project/lldb/trunk/unittests/SymbolFile/PDB/Inputs/test-pdb.pdb?rev=262528&view=auto
>
> ==============================================================================
> Binary files lldb/trunk/unittests/SymbolFile/PDB/Inputs/test-pdb.pdb
> (added) and lldb/trunk/unittests/SymbolFile/PDB/Inputs/test-pdb.pdb Wed
> Mar  2 16:05:52 2016 differ
>
> Added: lldb/trunk/unittests/SymbolFile/PDB/SymbolFilePDBTests.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/lldb/trunk/unittests/SymbolFile/PDB/SymbolFilePDBTests.cpp?rev=262528&view=auto
>
> ==============================================================================
> --- lldb/trunk/unittests/SymbolFile/PDB/SymbolFilePDBTests.cpp (added)
> +++ lldb/trunk/unittests/SymbolFile/PDB/SymbolFilePDBTests.cpp Wed Mar  2
> 16:05:52 2016
> @@ -0,0 +1,344 @@
> +//===-- PythonDataObjectsTests.cpp ------------------------------*- C++
> -*-===//
> +//
> +//                     The LLVM Compiler Infrastructure
> +//
> +// This file is distributed under the University of Illinois Open Source
> +// License. See LICENSE.TXT for details.
> +//
>
> +//===----------------------------------------------------------------------===//
> +
> +#include "gtest/gtest.h"
> +
> +#include "llvm/ADT/STLExtras.h"
> +#include "llvm/Config/config.h"
> +#include "llvm/Support/FileSystem.h"
> +#include "llvm/Support/Path.h"
> +
> +#include "lldb/Core/Address.h"
> +#include "lldb/Core/ArchSpec.h"
> +#include "lldb/Core/Module.h"
> +#include "lldb/Core/ModuleSpec.h"
> +#include "lldb/Host/FileSpec.h"
> +#include "lldb/Host/HostInfo.h"
> +#include "lldb/Symbol/CompileUnit.h"
> +#include "lldb/Symbol/LineTable.h"
> +#include "lldb/Symbol/SymbolVendor.h"
> +
> +#include "Plugins/ObjectFile/PECOFF/ObjectFilePECOFF.h"
> +#include "Plugins/SymbolFile/DWARF/SymbolFileDWARF.h"
> +#include "Plugins/SymbolFile/PDB/SymbolFilePDB.h"
> +
> +#if defined(_MSC_VER)
> +#include <objbase.h>
> +#endif
> +
> +extern const char *TestMainArgv0;
> +
> +using namespace lldb_private;
> +
> +class SymbolFilePDBTests : public testing::Test
> +{
> +public:
> +    void
> +    SetUp() override
> +    {
> +#if defined(_MSC_VER)
> +        ::CoInitializeEx(nullptr, COINIT_MULTITHREADED);
> +#endif
> +
> +        HostInfoBase::Initialize();
> +        ObjectFilePECOFF::Initialize();
> +        SymbolFileDWARF::Initialize();
> +        SymbolFilePDB::Initialize();
> +
> +        llvm::StringRef exe_folder =
> llvm::sys::path::parent_path(TestMainArgv0);
> +        llvm::SmallString<128> inputs_folder = exe_folder;
> +        llvm::sys::path::append(inputs_folder, "Inputs");
> +
> +        m_pdb_test_exe = inputs_folder;
> +        m_dwarf_test_exe = inputs_folder;
> +        llvm::sys::path::append(m_pdb_test_exe, "test-pdb.exe");
> +        llvm::sys::path::append(m_dwarf_test_exe, "test-dwarf.exe");
> +    }
> +
> +    void
> +    TearDown() override
> +    {
> +#if defined(_MSC_VER)
> +        ::CoUninitialize();
> +#endif
> +        SymbolFilePDB::Terminate();
> +        SymbolFileDWARF::Terminate();
> +        ObjectFilePECOFF::Terminate();
> +    }
> +
> +protected:
> +    llvm::SmallString<128> m_pdb_test_exe;
> +    llvm::SmallString<128> m_dwarf_test_exe;
> +
> +    bool
> +    FileSpecMatchesAsBaseOrFull(const FileSpec &left, const FileSpec
> &right) const
> +    {
> +        // If the filenames don't match, the paths can't be equal
> +        if (!left.FileEquals(right))
> +            return false;
> +        // If BOTH have a directory, also compare the directories.
> +        if (left.GetDirectory() && right.GetDirectory())
> +            return left.DirectoryEquals(right);
> +
> +        // If one has a directory but not the other, they match.
> +        return true;
> +    }
> +
> +    void
> +    VerifyLineEntry(lldb::ModuleSP module, const SymbolContext &sc, const
> FileSpec &spec, LineTable &lt, uint32_t line,
> +                    lldb::addr_t addr)
> +    {
> +        LineEntry entry;
> +        Address address;
> +        EXPECT_TRUE(module->ResolveFileAddress(addr, address));
> +
> +        EXPECT_TRUE(lt.FindLineEntryByAddress(address, entry));
> +        EXPECT_EQ(line, entry.line);
> +        EXPECT_EQ(address, entry.range.GetBaseAddress());
> +
> +        EXPECT_TRUE(FileSpecMatchesAsBaseOrFull(spec, entry.file));
> +    }
> +
> +    bool
> +    ContainsCompileUnit(const SymbolContextList &sc_list, const FileSpec
> &spec) const
> +    {
> +        for (int i = 0; i < sc_list.GetSize(); ++i)
> +        {
> +            const SymbolContext &sc = sc_list[i];
> +            if (FileSpecMatchesAsBaseOrFull(*sc.comp_unit, spec))
> +                return true;
> +        }
> +        return false;
> +    }
> +};
> +
> +#if defined(HAVE_DIA_SDK)
> +#define REQUIRES_DIA_SDK(TestName) TestName
> +#else
> +#define REQUIRES_DIA_SDK(TestName) DISABLED_##TestName
> +#endif
> +
> +TEST_F(SymbolFilePDBTests, TestAbilitiesForDWARF)
> +{
> +    // Test that when we have Dwarf debug info, SymbolFileDWARF is used.
> +    FileSpec fspec(m_dwarf_test_exe.c_str(), false);
> +    ArchSpec aspec("i686-pc-windows");
> +    lldb::ModuleSP module = std::make_shared<Module>(fspec, aspec);
> +
> +    SymbolVendor *plugin = module->GetSymbolVendor();
> +    EXPECT_NE(nullptr, plugin);
> +    SymbolFile *symfile = plugin->GetSymbolFile();
> +    EXPECT_NE(nullptr, symfile);
> +    EXPECT_EQ(symfile->GetPluginName(),
> SymbolFileDWARF::GetPluginNameStatic());
> +
> +    uint32_t expected_abilities = SymbolFile::kAllAbilities;
> +    EXPECT_EQ(expected_abilities, symfile->CalculateAbilities());
> +}
> +
> +TEST_F(SymbolFilePDBTests, REQUIRES_DIA_SDK(TestAbilitiesForPDB))
> +{
> +    // Test that when we have PDB debug info, SymbolFilePDB is used.
> +    FileSpec fspec(m_pdb_test_exe.c_str(), false);
> +    ArchSpec aspec("i686-pc-windows");
> +    lldb::ModuleSP module = std::make_shared<Module>(fspec, aspec);
> +
> +    SymbolVendor *plugin = module->GetSymbolVendor();
> +    EXPECT_NE(nullptr, plugin);
> +    SymbolFile *symfile = plugin->GetSymbolFile();
> +    EXPECT_NE(nullptr, symfile);
> +    EXPECT_EQ(symfile->GetPluginName(),
> SymbolFilePDB::GetPluginNameStatic());
> +
> +    uint32_t expected_abilities = SymbolFile::CompileUnits |
> SymbolFile::LineTables;
> +    EXPECT_EQ(expected_abilities, symfile->CalculateAbilities());
> +}
> +
> +TEST_F(SymbolFilePDBTests,
> REQUIRES_DIA_SDK(TestResolveSymbolContextBasename))
> +{
> +    // Test that attempting to call ResolveSymbolContext with only a
> basename finds all full paths
> +    // with the same basename
> +    FileSpec fspec(m_pdb_test_exe.c_str(), false);
> +    ArchSpec aspec("i686-pc-windows");
> +    lldb::ModuleSP module = std::make_shared<Module>(fspec, aspec);
> +
> +    SymbolVendor *plugin = module->GetSymbolVendor();
> +    EXPECT_NE(nullptr, plugin);
> +    SymbolFile *symfile = plugin->GetSymbolFile();
> +
> +    FileSpec header_spec("test-pdb.cpp", false);
> +    SymbolContextList sc_list;
> +    uint32_t result_count = symfile->ResolveSymbolContext(header_spec, 0,
> false, lldb::eSymbolContextCompUnit, sc_list);
> +    EXPECT_EQ(1, result_count);
> +    EXPECT_TRUE(ContainsCompileUnit(sc_list, header_spec));
> +}
> +
> +TEST_F(SymbolFilePDBTests,
> REQUIRES_DIA_SDK(TestResolveSymbolContextFullPath))
> +{
> +    // Test that attempting to call ResolveSymbolContext with a full path
> only finds the one source
> +    // file that matches the full path.
> +    FileSpec fspec(m_pdb_test_exe.c_str(), false);
> +    ArchSpec aspec("i686-pc-windows");
> +    lldb::ModuleSP module = std::make_shared<Module>(fspec, aspec);
> +
> +    SymbolVendor *plugin = module->GetSymbolVendor();
> +    EXPECT_NE(nullptr, plugin);
> +    SymbolFile *symfile = plugin->GetSymbolFile();
> +
> +    FileSpec
> header_spec(R"spec(D:\src\llvm\tools\lldb\unittests\SymbolFile\PDB\Inputs\test-pdb.cpp)spec",
> false);
> +    SymbolContextList sc_list;
> +    uint32_t result_count = symfile->ResolveSymbolContext(header_spec, 0,
> false, lldb::eSymbolContextCompUnit, sc_list);
> +    EXPECT_GE(1, result_count);
> +    EXPECT_TRUE(ContainsCompileUnit(sc_list, header_spec));
> +}
> +
> +TEST_F(SymbolFilePDBTests,
> REQUIRES_DIA_SDK(TestLookupOfHeaderFileWithInlines))
> +{
> +    // Test that when looking up a header file via ResolveSymbolContext
> (i.e. a file that was not by itself
> +    // compiled, but only contributes to the combined code of other
> source files), a SymbolContext is returned
> +    // for each compiland which has line contributions from the requested
> header.
> +    FileSpec fspec(m_pdb_test_exe.c_str(), false);
> +    ArchSpec aspec("i686-pc-windows");
> +    lldb::ModuleSP module = std::make_shared<Module>(fspec, aspec);
> +
> +    SymbolVendor *plugin = module->GetSymbolVendor();
> +    EXPECT_NE(nullptr, plugin);
> +    SymbolFile *symfile = plugin->GetSymbolFile();
> +
> +    FileSpec header_specs[] = {FileSpec("test-pdb.h", false),
> FileSpec("test-pdb-nested.h", false)};
> +    FileSpec main_cpp_spec("test-pdb.cpp", false);
> +    FileSpec alt_cpp_spec("test-pdb-alt.cpp", false);
> +    for (const auto &hspec : header_specs)
> +    {
> +        SymbolContextList sc_list;
> +        uint32_t result_count = symfile->ResolveSymbolContext(hspec, 0,
> true, lldb::eSymbolContextCompUnit, sc_list);
> +        EXPECT_EQ(2, result_count);
> +        EXPECT_TRUE(ContainsCompileUnit(sc_list, main_cpp_spec));
> +        EXPECT_TRUE(ContainsCompileUnit(sc_list, alt_cpp_spec));
> +    }
> +}
> +
> +TEST_F(SymbolFilePDBTests,
> REQUIRES_DIA_SDK(TestLookupOfHeaderFileWithNoInlines))
> +{
> +    // Test that when looking up a header file via ResolveSymbolContext
> (i.e. a file that was not by itself
> +    // compiled, but only contributes to the combined code of other
> source files), that if check_inlines
> +    // is false, no SymbolContexts are returned.
> +    FileSpec fspec(m_pdb_test_exe.c_str(), false);
> +    ArchSpec aspec("i686-pc-windows");
> +    lldb::ModuleSP module = std::make_shared<Module>(fspec, aspec);
> +
> +    SymbolVendor *plugin = module->GetSymbolVendor();
> +    EXPECT_NE(nullptr, plugin);
> +    SymbolFile *symfile = plugin->GetSymbolFile();
> +
> +    FileSpec header_specs[] = {FileSpec("test-pdb.h", false),
> FileSpec("test-pdb-nested.h", false)};
> +    for (const auto &hspec : header_specs)
> +    {
> +        SymbolContextList sc_list;
> +        uint32_t result_count = symfile->ResolveSymbolContext(hspec, 0,
> false, lldb::eSymbolContextCompUnit, sc_list);
> +        EXPECT_EQ(0, result_count);
> +    }
> +}
> +
> +TEST_F(SymbolFilePDBTests, REQUIRES_DIA_SDK(TestLineTablesMatchAll))
> +{
> +    // Test that when calling ResolveSymbolContext with a line number of
> 0, all line entries from
> +    // the specified files are returned.
> +    FileSpec fspec(m_pdb_test_exe.c_str(), false);
> +    ArchSpec aspec("i686-pc-windows");
> +    lldb::ModuleSP module = std::make_shared<Module>(fspec, aspec);
> +
> +    SymbolVendor *plugin = module->GetSymbolVendor();
> +    SymbolFile *symfile = plugin->GetSymbolFile();
> +
> +    FileSpec source_file("test-pdb.cpp", false);
> +    FileSpec header1("test-pdb.h", false);
> +    FileSpec header2("test-pdb-nested.h", false);
> +    uint32_t cus = symfile->GetNumCompileUnits();
> +    EXPECT_EQ(2, cus);
> +
> +    SymbolContextList sc_list;
> +    uint32_t scope = lldb::eSymbolContextCompUnit |
> lldb::eSymbolContextLineEntry;
> +
> +    uint32_t count = symfile->ResolveSymbolContext(source_file, 0, true,
> scope, sc_list);
> +    EXPECT_EQ(1, count);
> +    SymbolContext sc;
> +    EXPECT_TRUE(sc_list.GetContextAtIndex(0, sc));
> +
> +    LineTable *lt = sc.comp_unit->GetLineTable();
> +    EXPECT_NE(nullptr, lt);
> +    count = lt->GetSize();
> +    // We expect one extra entry for termination (per function)
> +    EXPECT_EQ(16, count);
> +
> +    VerifyLineEntry(module, sc, source_file, *lt, 7, 0x401040);
> +    VerifyLineEntry(module, sc, source_file, *lt, 8, 0x401043);
> +    VerifyLineEntry(module, sc, source_file, *lt, 9, 0x401045);
> +
> +    VerifyLineEntry(module, sc, source_file, *lt, 13, 0x401050);
> +    VerifyLineEntry(module, sc, source_file, *lt, 14, 0x401054);
> +    VerifyLineEntry(module, sc, source_file, *lt, 15, 0x401070);
> +
> +    VerifyLineEntry(module, sc, header1, *lt, 9, 0x401090);
> +    VerifyLineEntry(module, sc, header1, *lt, 10, 0x401093);
> +    VerifyLineEntry(module, sc, header1, *lt, 11, 0x4010a2);
> +
> +    VerifyLineEntry(module, sc, header2, *lt, 5, 0x401080);
> +    VerifyLineEntry(module, sc, header2, *lt, 6, 0x401083);
> +    VerifyLineEntry(module, sc, header2, *lt, 7, 0x401089);
> +}
> +
> +TEST_F(SymbolFilePDBTests, REQUIRES_DIA_SDK(TestLineTablesMatchSpecific))
> +{
> +    // Test that when calling ResolveSymbolContext with a specific line
> number, only line entries
> +    // which match the requested line are returned.
> +    FileSpec fspec(m_pdb_test_exe.c_str(), false);
> +    ArchSpec aspec("i686-pc-windows");
> +    lldb::ModuleSP module = std::make_shared<Module>(fspec, aspec);
> +
> +    SymbolVendor *plugin = module->GetSymbolVendor();
> +    SymbolFile *symfile = plugin->GetSymbolFile();
> +
> +    FileSpec source_file("test-pdb.cpp", false);
> +    FileSpec header1("test-pdb.h", false);
> +    FileSpec header2("test-pdb-nested.h", false);
> +    uint32_t cus = symfile->GetNumCompileUnits();
> +    EXPECT_EQ(2, cus);
> +
> +    SymbolContextList sc_list;
> +    uint32_t scope = lldb::eSymbolContextCompUnit |
> lldb::eSymbolContextLineEntry;
> +
> +    // First test with line 7, and verify that only line 7 entries are
> added.
> +    uint32_t count = symfile->ResolveSymbolContext(source_file, 7, true,
> scope, sc_list);
> +    EXPECT_EQ(1, count);
> +    SymbolContext sc;
> +    EXPECT_TRUE(sc_list.GetContextAtIndex(0, sc));
> +
> +    LineTable *lt = sc.comp_unit->GetLineTable();
> +    EXPECT_NE(nullptr, lt);
> +    count = lt->GetSize();
> +    // We expect one extra entry for termination
> +    EXPECT_EQ(3, count);
> +
> +    VerifyLineEntry(module, sc, source_file, *lt, 7, 0x401040);
> +    VerifyLineEntry(module, sc, header2, *lt, 7, 0x401089);
> +
> +    sc_list.Clear();
> +    // Then test with line 9, and verify that only line 9 entries are
> added.
> +    count = symfile->ResolveSymbolContext(source_file, 9, true, scope,
> sc_list);
> +    EXPECT_EQ(1, count);
> +    EXPECT_TRUE(sc_list.GetContextAtIndex(0, sc));
> +
> +    lt = sc.comp_unit->GetLineTable();
> +    EXPECT_NE(nullptr, lt);
> +    count = lt->GetSize();
> +    // We expect one extra entry for termination
> +    EXPECT_EQ(3, count);
> +
> +    VerifyLineEntry(module, sc, source_file, *lt, 9, 0x401045);
> +    VerifyLineEntry(module, sc, header1, *lt, 9, 0x401090);
> +}
>
>
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