[lld] r228905 - [ELF] Add LinkingContext to the ELFReader.

Rui Ueyama ruiu at google.com
Thu Feb 12 12:55:09 PST 2015


So... why is it more preferred?

On Thu, Feb 12, 2015 at 12:48 PM, Shankar Easwaran <shankare at codeaurora.org>
wrote:

> It is more preferred that each architecture/target was passed its specific
> linking context.
>
>
> On 2/12/2015 2:43 PM, Rui Ueyama wrote:
>
>> I'm sorry, but what I was asking is a reason.
>>
>> On Thu, Feb 12, 2015 at 12:34 PM, Shankar Easwaran <
>> shankare at codeaurora.org>
>> wrote:
>>
>>  Yes, its needed as all the create functions have a architecture specific
>>> LinkingContext.
>>>
>>>
>>> On 2/12/2015 2:31 PM, Rui Ueyama wrote:
>>>
>>>  One question is if we really had to pass <arch>ELFLinkingContext instead
>>>> of
>>>> plain ELFLinkingContext to the ELFObjectReader? You parameterized that
>>>> type
>>>> as ContextT, but seems like it doesn't have to be an
>>>> architecture-specific
>>>> subclass of ELFLinkingContext.
>>>>
>>>> On Thu, Feb 12, 2015 at 12:06 PM, Rui Ueyama <ruiu at google.com> wrote:
>>>>
>>>>   This is a large patch that possibly many places in ELF. Since many
>>>> people
>>>>
>>>>> are interested in LLD ELF support and code health of LLD in general,
>>>>> please
>>>>> send this kind of patch to review before submitting in the future.
>>>>> Thanks.
>>>>>
>>>>> On Wed, Feb 11, 2015 at 9:02 PM, Shankar Easwaran <
>>>>> shankare at codeaurora.org
>>>>>
>>>>>  wrote:
>>>>>> Author: shankare
>>>>>> Date: Wed Feb 11 23:02:41 2015
>>>>>> New Revision: 228905
>>>>>>
>>>>>> URL: http://llvm.org/viewvc/llvm-project?rev=228905&view=rev
>>>>>> Log:
>>>>>> [ELF] Add LinkingContext to the ELFReader.
>>>>>>
>>>>>> This adds the LinkingContext parameter to the ELFReader. Previously
>>>>>> the
>>>>>> flags in
>>>>>> that were needed in the Context was passed to the ELFReader, this made
>>>>>> it
>>>>>> very
>>>>>> hard to access data structures in the LinkingContext when reading an
>>>>>> ELF
>>>>>> file.
>>>>>>
>>>>>> This change makes the ELFReader more flexible so that required
>>>>>> parameters
>>>>>> can be
>>>>>> grabbed directly from the LinkingContext.
>>>>>>
>>>>>> Future patches make use of the changes.
>>>>>>
>>>>>> There is no change in functionality though.
>>>>>>
>>>>>> Modified:
>>>>>>       lld/trunk/include/lld/Core/Reader.h
>>>>>>       lld/trunk/include/lld/ReaderWriter/ELFLinkingContext.h
>>>>>>       lld/trunk/lib/Driver/GnuLdDriver.cpp
>>>>>>       lld/trunk/lib/ReaderWriter/ELF/AArch64/AArch64ELFFile.h
>>>>>>       lld/trunk/lib/ReaderWriter/ELF/AArch64/AArch64ELFReader.h
>>>>>>       lld/trunk/lib/ReaderWriter/ELF/AArch64/AArch64TargetHandler.h
>>>>>>       lld/trunk/lib/ReaderWriter/ELF/ARM/ARMELFFile.h
>>>>>>       lld/trunk/lib/ReaderWriter/ELF/ARM/ARMELFReader.h
>>>>>>       lld/trunk/lib/ReaderWriter/ELF/ARM/ARMTargetHandler.h
>>>>>>       lld/trunk/lib/ReaderWriter/ELF/DefaultTargetHandler.h
>>>>>>       lld/trunk/lib/ReaderWriter/ELF/DynamicFile.h
>>>>>>       lld/trunk/lib/ReaderWriter/ELF/DynamicLibraryWriter.h
>>>>>>       lld/trunk/lib/ReaderWriter/ELF/ELFFile.h
>>>>>>       lld/trunk/lib/ReaderWriter/ELF/ELFReader.h
>>>>>>       lld/trunk/lib/ReaderWriter/ELF/ExecutableWriter.h
>>>>>>       lld/trunk/lib/ReaderWriter/ELF/Hexagon/HexagonELFFile.h
>>>>>>       lld/trunk/lib/ReaderWriter/ELF/Hexagon/HexagonELFReader.h
>>>>>>       lld/trunk/lib/ReaderWriter/ELF/Hexagon/HexagonExecutableAtoms.h
>>>>>>       lld/trunk/lib/ReaderWriter/ELF/Hexagon/HexagonTargetHandler.h
>>>>>>       lld/trunk/lib/ReaderWriter/ELF/Mips/MipsELFFile.h
>>>>>>       lld/trunk/lib/ReaderWriter/ELF/Mips/MipsELFReader.h
>>>>>>       lld/trunk/lib/ReaderWriter/ELF/Mips/MipsTargetHandler.h
>>>>>>       lld/trunk/lib/ReaderWriter/ELF/Reader.cpp
>>>>>>       lld/trunk/lib/ReaderWriter/ELF/TargetHandler.h
>>>>>>       lld/trunk/lib/ReaderWriter/ELF/X86/X86ELFFile.h
>>>>>>       lld/trunk/lib/ReaderWriter/ELF/X86/X86ELFReader.h
>>>>>>       lld/trunk/lib/ReaderWriter/ELF/X86/X86TargetHandler.h
>>>>>>       lld/trunk/lib/ReaderWriter/ELF/X86_64/X86_64ELFFile.h
>>>>>>       lld/trunk/lib/ReaderWriter/ELF/X86_64/X86_64ELFReader.h
>>>>>>       lld/trunk/lib/ReaderWriter/ELF/X86_64/X86_64TargetHandler.h
>>>>>>
>>>>>> Modified: lld/trunk/include/lld/Core/Reader.h
>>>>>> URL:
>>>>>> http://llvm.org/viewvc/llvm-project/lld/trunk/include/lld/
>>>>>> Core/Reader.h?rev=228905&r1=228904&r2=228905&view=diff
>>>>>>
>>>>>> ============================================================
>>>>>> ==================
>>>>>> --- lld/trunk/include/lld/Core/Reader.h (original)
>>>>>> +++ lld/trunk/include/lld/Core/Reader.h Wed Feb 11 23:02:41 2015
>>>>>> @@ -122,9 +122,8 @@ public:
>>>>>>      void addSupportCOFFObjects(PECOFFLinkingContext &);
>>>>>>      void addSupportCOFFImportLibraries(PECOFFLinkingContext &);
>>>>>>      void addSupportMachOObjects(MachOLinkingContext &);
>>>>>> -  void addSupportELFObjects(bool atomizeStrings, TargetHandlerBase
>>>>>> *handler);
>>>>>> -  void addSupportELFDynamicSharedObjects(bool useShlibUndefines,
>>>>>> -                                         TargetHandlerBase *handler);
>>>>>> +  void addSupportELFObjects(ELFLinkingContext &);
>>>>>> +  void addSupportELFDynamicSharedObjects(ELFLinkingContext &);
>>>>>>
>>>>>>      /// To convert between kind values and names, the registry walks
>>>>>> the
>>>>>> list
>>>>>>      /// of registered kind tables. Each table is a zero terminated
>>>>>> array of
>>>>>>
>>>>>> Modified: lld/trunk/include/lld/ReaderWriter/ELFLinkingContext.h
>>>>>> URL:
>>>>>> http://llvm.org/viewvc/llvm-project/lld/trunk/include/lld/
>>>>>> ReaderWriter/
>>>>>> ELFLinkingContext.h?rev=228905&r1=228904&r2=228905&view=diff
>>>>>>
>>>>>> ============================================================
>>>>>> ==================
>>>>>> --- lld/trunk/include/lld/ReaderWriter/ELFLinkingContext.h (original)
>>>>>> +++ lld/trunk/include/lld/ReaderWriter/ELFLinkingContext.h Wed Feb 11
>>>>>> 23:02:41 2015
>>>>>> @@ -38,9 +38,9 @@ public:
>>>>>>      virtual ~TargetHandlerBase() {}
>>>>>>      virtual void registerRelocationNames(Registry &) = 0;
>>>>>>
>>>>>> -  virtual std::unique_ptr<Reader> getObjReader(bool) = 0;
>>>>>> +  virtual std::unique_ptr<Reader> getObjReader() = 0;
>>>>>>
>>>>>> -  virtual std::unique_ptr<Reader> getDSOReader(bool) = 0;
>>>>>> +  virtual std::unique_ptr<Reader> getDSOReader() = 0;
>>>>>>
>>>>>>      virtual std::unique_ptr<Writer> getWriter() = 0;
>>>>>>    };
>>>>>>
>>>>>> Modified: lld/trunk/lib/Driver/GnuLdDriver.cpp
>>>>>> URL:
>>>>>> http://llvm.org/viewvc/llvm-project/lld/trunk/lib/Driver/
>>>>>> GnuLdDriver.cpp?rev=228905&r1=228904&r2=228905&view=diff
>>>>>>
>>>>>> ============================================================
>>>>>> ==================
>>>>>> --- lld/trunk/lib/Driver/GnuLdDriver.cpp (original)
>>>>>> +++ lld/trunk/lib/Driver/GnuLdDriver.cpp Wed Feb 11 23:02:41 2015
>>>>>> @@ -587,15 +587,12 @@ bool GnuLdDriver::parse(int argc, const
>>>>>>      }
>>>>>>
>>>>>>      // Register possible input file parsers.
>>>>>> -  ctx->registry().addSupportELFObjects(
>>>>>> -      ctx->mergeCommonStrings(),
>>>>>> -      ctx->targetHandler());
>>>>>> +  ctx->registry().addSupportELFObjects(*ctx);
>>>>>>      ctx->registry().addSupportArchives(ctx->logInputFiles());
>>>>>>      ctx->registry().addSupportYamlFiles();
>>>>>>      ctx->registry().addSupportNativeObjects();
>>>>>>      if (ctx->allowLinkWithDynamicLibraries())
>>>>>> -    ctx->registry().addSupportELFDynamicSharedObjects(
>>>>>> -        ctx->useShlibUndefines(), ctx->targetHandler());
>>>>>> +    ctx->registry().addSupportELFDynamicSharedObjects(*ctx);
>>>>>>
>>>>>>      std::stack<int> groupStack;
>>>>>>      int numfiles = 0;
>>>>>>
>>>>>> Modified: lld/trunk/lib/ReaderWriter/ELF/AArch64/AArch64ELFFile.h
>>>>>> URL:
>>>>>> http://llvm.org/viewvc/llvm-project/lld/trunk/lib/
>>>>>> ReaderWriter/ELF/AArch64/AArch64ELFFile.h?rev=228905&
>>>>>> r1=228904&r2=228905&view=diff
>>>>>>
>>>>>> ============================================================
>>>>>> ==================
>>>>>> --- lld/trunk/lib/ReaderWriter/ELF/AArch64/AArch64ELFFile.h
>>>>>> (original)
>>>>>> +++ lld/trunk/lib/ReaderWriter/ELF/AArch64/AArch64ELFFile.h Wed Feb
>>>>>> 11
>>>>>> 23:02:41 2015
>>>>>> @@ -19,13 +19,13 @@ class AArch64LinkingContext;
>>>>>>
>>>>>>    template <class ELFT> class AArch64ELFFile : public ELFFile<ELFT> {
>>>>>>    public:
>>>>>> -  AArch64ELFFile(std::unique_ptr<MemoryBuffer> mb, bool
>>>>>> atomizeStrings)
>>>>>> -      : ELFFile<ELFT>(std::move(mb), atomizeStrings) {}
>>>>>> +  AArch64ELFFile(std::unique_ptr<MemoryBuffer> mb,
>>>>>> AArch64LinkingContext
>>>>>> &ctx)
>>>>>> +      : ELFFile<ELFT>(std::move(mb), ctx) {}
>>>>>>
>>>>>>      static ErrorOr<std::unique_ptr<AArch64ELFFile>>
>>>>>> -  create(std::unique_ptr<MemoryBuffer> mb, bool atomizeStrings) {
>>>>>> +  create(std::unique_ptr<MemoryBuffer> mb, AArch64LinkingContext
>>>>>> &ctx) {
>>>>>>        return std::unique_ptr<AArch64ELFFile<ELFT>>(
>>>>>> -        new AArch64ELFFile<ELFT>(std::move(mb), atomizeStrings));
>>>>>> +        new AArch64ELFFile<ELFT>(std::move(mb), ctx));
>>>>>>      }
>>>>>>    };
>>>>>>
>>>>>>
>>>>>> Modified: lld/trunk/lib/ReaderWriter/ELF/AArch64/AArch64ELFReader.h
>>>>>> URL:
>>>>>> http://llvm.org/viewvc/llvm-project/lld/trunk/lib/
>>>>>> ReaderWriter/ELF/AArch64/AArch64ELFReader.h?rev=228905&
>>>>>> r1=228904&r2=228905&view=diff
>>>>>>
>>>>>> ============================================================
>>>>>> ==================
>>>>>> --- lld/trunk/lib/ReaderWriter/ELF/AArch64/AArch64ELFReader.h
>>>>>> (original)
>>>>>> +++ lld/trunk/lib/ReaderWriter/ELF/AArch64/AArch64ELFReader.h Wed Feb
>>>>>> 11
>>>>>> 23:02:41 2015
>>>>>> @@ -23,9 +23,8 @@ struct AArch64DynamicFileCreateELFTraits
>>>>>>
>>>>>>      template <class ELFT>
>>>>>>      static result_type create(std::unique_ptr<llvm::MemoryBuffer>
>>>>>> mb,
>>>>>> -                            bool useUndefines) {
>>>>>> -    return lld::elf::AArch64DynamicFile<ELFT>::create(std::move(mb),
>>>>>> -                                                      useUndefines);
>>>>>> +                            AArch64LinkingContext &ctx) {
>>>>>> +    return lld::elf::AArch64DynamicFile<ELFT>::create(std::move(mb),
>>>>>> ctx);
>>>>>>      }
>>>>>>    };
>>>>>>
>>>>>> @@ -34,26 +33,27 @@ struct AArch64ELFFileCreateELFTraits {
>>>>>>
>>>>>>      template <class ELFT>
>>>>>>      static result_type create(std::unique_ptr<llvm::MemoryBuffer>
>>>>>> mb,
>>>>>> -                            bool atomizeStrings) {
>>>>>> -    return lld::elf::AArch64ELFFile<ELFT>::create(std::move(mb),
>>>>>> -                                                  atomizeStrings);
>>>>>> +                            AArch64LinkingContext &ctx) {
>>>>>> +    return lld::elf::AArch64ELFFile<ELFT>::create(std::move(mb),
>>>>>> ctx);
>>>>>>      }
>>>>>>    };
>>>>>>
>>>>>>    class AArch64ELFObjectReader
>>>>>> -    : public ELFObjectReader<AArch64ELFType,
>>>>>> AArch64ELFFileCreateELFTraits> {
>>>>>> +    : public ELFObjectReader<AArch64ELFType,
>>>>>> AArch64ELFFileCreateELFTraits,
>>>>>> +                             AArch64LinkingContext> {
>>>>>>    public:
>>>>>> -  AArch64ELFObjectReader(bool atomizeStrings)
>>>>>> -      : ELFObjectReader<AArch64ELFType,
>>>>>> AArch64ELFFileCreateELFTraits>
>>>>>> (
>>>>>> -            atomizeStrings, llvm::ELF::EM_AARCH64) {}
>>>>>> +  AArch64ELFObjectReader(AArch64LinkingContext &ctx)
>>>>>> +      : ELFObjectReader<AArch64ELFType,
>>>>>> AArch64ELFFileCreateELFTraits,
>>>>>> +                        AArch64LinkingContext>(ctx,
>>>>>> llvm::ELF::EM_AARCH64) {}
>>>>>>    };
>>>>>>
>>>>>>    class AArch64ELFDSOReader
>>>>>> -    : public ELFDSOReader<AArch64ELFType,
>>>>>> AArch64DynamicFileCreateELFTraits> {
>>>>>> +    : public ELFDSOReader<AArch64ELFType,
>>>>>> AArch64DynamicFileCreateELFTraits,
>>>>>> +                          AArch64LinkingContext> {
>>>>>>    public:
>>>>>> -  AArch64ELFDSOReader(bool useUndefines)
>>>>>> -      : ELFDSOReader<AArch64ELFType, AArch64DynamicFileCreateELFTra
>>>>>> its>(
>>>>>> -            useUndefines, llvm::ELF::EM_AARCH64) {}
>>>>>> +  AArch64ELFDSOReader(AArch64LinkingContext &ctx)
>>>>>> +      : ELFDSOReader<AArch64ELFType, AArch64DynamicFileCreateELFTra
>>>>>> its,
>>>>>> +                     AArch64LinkingContext>(ctx,
>>>>>> llvm::ELF::EM_AARCH64)
>>>>>> {}
>>>>>>    };
>>>>>>
>>>>>>    } // namespace elf
>>>>>>
>>>>>> Modified: lld/trunk/lib/ReaderWriter/ELF/AArch64/
>>>>>> AArch64TargetHandler.h
>>>>>> URL:
>>>>>> http://llvm.org/viewvc/llvm-project/lld/trunk/lib/
>>>>>> ReaderWriter/ELF/AArch64/AArch64TargetHandler.h?rev=
>>>>>> 228905&r1=228904&r2=228905&view=diff
>>>>>>
>>>>>> ============================================================
>>>>>> ==================
>>>>>> --- lld/trunk/lib/ReaderWriter/ELF/AArch64/AArch64TargetHandler.h
>>>>>> (original)
>>>>>> +++ lld/trunk/lib/ReaderWriter/ELF/AArch64/AArch64TargetHandler.h Wed
>>>>>> Feb
>>>>>> 11 23:02:41 2015
>>>>>> @@ -41,12 +41,12 @@ public:
>>>>>>        return *(_AArch64RelocationHandler.get());
>>>>>>      }
>>>>>>
>>>>>> -  std::unique_ptr<Reader> getObjReader(bool atomizeStrings) override
>>>>>> {
>>>>>> -    return std::unique_ptr<Reader>(new
>>>>>> AArch64ELFObjectReader(atomizeStrings));
>>>>>> +  std::unique_ptr<Reader> getObjReader() override {
>>>>>> +    return std::unique_ptr<Reader>(new AArch64ELFObjectReader(_
>>>>>> context));
>>>>>>      }
>>>>>>
>>>>>> -  std::unique_ptr<Reader> getDSOReader(bool useShlibUndefines)
>>>>>> override {
>>>>>> -    return std::unique_ptr<Reader>(new
>>>>>> AArch64ELFDSOReader(useShlibUndefines));
>>>>>> +  std::unique_ptr<Reader> getDSOReader() override {
>>>>>> +    return std::unique_ptr<Reader>(new AArch64ELFDSOReader(_context))
>>>>>> ;
>>>>>>      }
>>>>>>
>>>>>>      std::unique_ptr<Writer> getWriter() override;
>>>>>>
>>>>>> Modified: lld/trunk/lib/ReaderWriter/ELF/ARM/ARMELFFile.h
>>>>>> URL:
>>>>>> http://llvm.org/viewvc/llvm-project/lld/trunk/lib/
>>>>>> ReaderWriter/ELF/ARM/
>>>>>> ARMELFFile.h?rev=228905&r1=228904&r2=228905&view=diff
>>>>>>
>>>>>> ============================================================
>>>>>> ==================
>>>>>> --- lld/trunk/lib/ReaderWriter/ELF/ARM/ARMELFFile.h (original)
>>>>>> +++ lld/trunk/lib/ReaderWriter/ELF/ARM/ARMELFFile.h Wed Feb 11
>>>>>> 23:02:41
>>>>>> 2015
>>>>>> @@ -52,13 +52,13 @@ public:
>>>>>>
>>>>>>    template <class ELFT> class ARMELFFile : public ELFFile<ELFT> {
>>>>>>    public:
>>>>>> -  ARMELFFile(std::unique_ptr<MemoryBuffer> mb, bool atomizeStrings)
>>>>>> -      : ELFFile<ELFT>(std::move(mb), atomizeStrings) {}
>>>>>> +  ARMELFFile(std::unique_ptr<MemoryBuffer> mb, ARMLinkingContext
>>>>>> &ctx)
>>>>>> +      : ELFFile<ELFT>(std::move(mb), ctx) {}
>>>>>>
>>>>>>      static ErrorOr<std::unique_ptr<ARMELFFile>>
>>>>>> -  create(std::unique_ptr<MemoryBuffer> mb, bool atomizeStrings) {
>>>>>> +  create(std::unique_ptr<MemoryBuffer> mb, ARMLinkingContext &ctx) {
>>>>>>        return std::unique_ptr<ARMELFFile<ELFT>>(
>>>>>> -        new ARMELFFile<ELFT>(std::move(mb), atomizeStrings));
>>>>>> +        new ARMELFFile<ELFT>(std::move(mb), ctx));
>>>>>>      }
>>>>>>
>>>>>>    private:
>>>>>>
>>>>>> Modified: lld/trunk/lib/ReaderWriter/ELF/ARM/ARMELFReader.h
>>>>>> URL:
>>>>>> http://llvm.org/viewvc/llvm-project/lld/trunk/lib/
>>>>>> ReaderWriter/ELF/ARM/
>>>>>> ARMELFReader.h?rev=228905&r1=228904&r2=228905&view=diff
>>>>>>
>>>>>> ============================================================
>>>>>> ==================
>>>>>> --- lld/trunk/lib/ReaderWriter/ELF/ARM/ARMELFReader.h (original)
>>>>>> +++ lld/trunk/lib/ReaderWriter/ELF/ARM/ARMELFReader.h Wed Feb 11
>>>>>> 23:02:41
>>>>>> 2015
>>>>>> @@ -23,8 +23,8 @@ struct ARMDynamicFileCreateELFTraits {
>>>>>>
>>>>>>      template <class ELFT>
>>>>>>      static result_type create(std::unique_ptr<llvm::MemoryBuffer>
>>>>>> mb,
>>>>>> -                            bool useUndefines) {
>>>>>> -    return lld::elf::ARMDynamicFile<ELFT>::create(std::move(mb),
>>>>>> useUndefines);
>>>>>> +                            ARMLinkingContext &ctx) {
>>>>>> +    return lld::elf::ARMDynamicFile<ELFT>::create(std::move(mb),
>>>>>> ctx);
>>>>>>      }
>>>>>>    };
>>>>>>
>>>>>> @@ -33,25 +33,27 @@ struct ARMELFFileCreateELFTraits {
>>>>>>
>>>>>>      template <class ELFT>
>>>>>>      static result_type create(std::unique_ptr<llvm::MemoryBuffer>
>>>>>> mb,
>>>>>> -                            bool atomizeStrings) {
>>>>>> -    return lld::elf::ARMELFFile<ELFT>::create(std::move(mb),
>>>>>> atomizeStrings);
>>>>>> +                            ARMLinkingContext &ctx) {
>>>>>> +    return lld::elf::ARMELFFile<ELFT>::create(std::move(mb), ctx);
>>>>>>      }
>>>>>>    };
>>>>>>
>>>>>>    class ARMELFObjectReader
>>>>>> -    : public ELFObjectReader<ARMELFType, ARMELFFileCreateELFTraits> {
>>>>>> +    : public ELFObjectReader<ARMELFType, ARMELFFileCreateELFTraits,
>>>>>> +                             ARMLinkingContext> {
>>>>>>    public:
>>>>>> -  ARMELFObjectReader(bool atomizeStrings)
>>>>>> -      : ELFObjectReader<ARMELFType, ARMELFFileCreateELFTraits>(
>>>>>> -            atomizeStrings, llvm::ELF::EM_ARM) {}
>>>>>> +  ARMELFObjectReader(ARMLinkingContext &ctx)
>>>>>> +      : ELFObjectReader<ARMELFType, ARMELFFileCreateELFTraits,
>>>>>> +                        ARMLinkingContext>(ctx, llvm::ELF::EM_ARM) {}
>>>>>>    };
>>>>>>
>>>>>>    class ARMELFDSOReader
>>>>>> -    : public ELFDSOReader<ARMELFType, ARMDynamicFileCreateELFTraits>
>>>>>> {
>>>>>> +    : public ELFDSOReader<ARMELFType, ARMDynamicFileCreateELFTraits,
>>>>>> +                          ARMLinkingContext> {
>>>>>>    public:
>>>>>> -  ARMELFDSOReader(bool useUndefines)
>>>>>> -      : ELFDSOReader<ARMELFType, ARMDynamicFileCreateELFTraits>(
>>>>>> -            useUndefines, llvm::ELF::EM_ARM) {}
>>>>>> +  ARMELFDSOReader(ARMLinkingContext &ctx)
>>>>>> +      : ELFDSOReader<ARMELFType, ARMDynamicFileCreateELFTraits,
>>>>>> +                     ARMLinkingContext>(ctx, llvm::ELF::EM_ARM) {}
>>>>>>    };
>>>>>>
>>>>>>    } // namespace elf
>>>>>>
>>>>>> Modified: lld/trunk/lib/ReaderWriter/ELF/ARM/ARMTargetHandler.h
>>>>>> URL:
>>>>>> http://llvm.org/viewvc/llvm-project/lld/trunk/lib/
>>>>>> ReaderWriter/ELF/ARM/
>>>>>> ARMTargetHandler.h?rev=228905&r1=228904&r2=228905&view=diff
>>>>>>
>>>>>> ============================================================
>>>>>> ==================
>>>>>> --- lld/trunk/lib/ReaderWriter/ELF/ARM/ARMTargetHandler.h (original)
>>>>>> +++ lld/trunk/lib/ReaderWriter/ELF/ARM/ARMTargetHandler.h Wed Feb 11
>>>>>> 23:02:41 2015
>>>>>> @@ -45,12 +45,12 @@ public:
>>>>>>        return *(_armRelocationHandler.get());
>>>>>>      }
>>>>>>
>>>>>> -  std::unique_ptr<Reader> getObjReader(bool atomizeStrings) override
>>>>>> {
>>>>>> -    return std::unique_ptr<Reader>(new
>>>>>> ARMELFObjectReader(atomizeStrings));
>>>>>> +  std::unique_ptr<Reader> getObjReader() override {
>>>>>> +    return std::unique_ptr<Reader>(new ARMELFObjectReader(_context));
>>>>>>      }
>>>>>>
>>>>>> -  std::unique_ptr<Reader> getDSOReader(bool useShlibUndefines)
>>>>>> override {
>>>>>> -    return std::unique_ptr<Reader>(new
>>>>>> ARMELFDSOReader(useShlibUndefines));
>>>>>> +  std::unique_ptr<Reader> getDSOReader() override {
>>>>>> +    return std::unique_ptr<Reader>(new ARMELFDSOReader(_context));
>>>>>>      }
>>>>>>
>>>>>>      std::unique_ptr<Writer> getWriter() override;
>>>>>>
>>>>>> Modified: lld/trunk/lib/ReaderWriter/ELF/DefaultTargetHandler.h
>>>>>> URL:
>>>>>> http://llvm.org/viewvc/llvm-project/lld/trunk/lib/ReaderWriter/ELF/
>>>>>> DefaultTargetHandler.h?rev=228905&r1=228904&r2=228905&view=diff
>>>>>>
>>>>>> ============================================================
>>>>>> ==================
>>>>>> --- lld/trunk/lib/ReaderWriter/ELF/DefaultTargetHandler.h (original)
>>>>>> +++ lld/trunk/lib/ReaderWriter/ELF/DefaultTargetHandler.h Wed Feb 11
>>>>>> 23:02:41 2015
>>>>>> @@ -26,9 +26,9 @@ class DefaultTargetHandler : public Targ
>>>>>>    public:
>>>>>>      const TargetRelocationHandler &getRelocationHandler() const = 0;
>>>>>>
>>>>>> -  virtual std::unique_ptr<Reader> getObjReader(bool atomizeStrings) =
>>>>>> 0;
>>>>>> +  virtual std::unique_ptr<Reader> getObjReader() = 0;
>>>>>>
>>>>>> -  virtual std::unique_ptr<Reader> getDSOReader(bool
>>>>>> useShlibUndefines)
>>>>>> =
>>>>>> 0;
>>>>>> +  virtual std::unique_ptr<Reader> getDSOReader() = 0;
>>>>>>
>>>>>>      virtual std::unique_ptr<Writer> getWriter() = 0;
>>>>>>    };
>>>>>>
>>>>>> Modified: lld/trunk/lib/ReaderWriter/ELF/DynamicFile.h
>>>>>> URL:
>>>>>> http://llvm.org/viewvc/llvm-project/lld/trunk/lib/
>>>>>> ReaderWriter/ELF/DynamicFile.h?rev=228905&r1=228904&r2=
>>>>>> 228905&view=diff
>>>>>>
>>>>>> ============================================================
>>>>>> ==================
>>>>>> --- lld/trunk/lib/ReaderWriter/ELF/DynamicFile.h (original)
>>>>>> +++ lld/trunk/lib/ReaderWriter/ELF/DynamicFile.h Wed Feb 11 23:02:41
>>>>>> 2015
>>>>>> @@ -22,7 +22,7 @@ namespace elf {
>>>>>>    template <class ELFT> class DynamicFile : public SharedLibraryFile
>>>>>> {
>>>>>>    public:
>>>>>>      static ErrorOr<std::unique_ptr<DynamicFile>>
>>>>>> -  create(std::unique_ptr<llvm::MemoryBuffer> mb, bool
>>>>>> useShlibUndefines);
>>>>>> +  create(std::unique_ptr<llvm::MemoryBuffer> mb, ELFLinkingContext
>>>>>> &ctx);
>>>>>>
>>>>>>      const SharedLibraryAtom *exports(StringRef name,
>>>>>>                                       bool dataSymbolOnly) const
>>>>>> override {
>>>>>> @@ -84,9 +84,9 @@ protected:
>>>>>>      }
>>>>>>
>>>>>>    private:
>>>>>> -  DynamicFile(std::unique_ptr<MemoryBuffer> mb, bool
>>>>>> useShlibUndefines)
>>>>>> -      : SharedLibraryFile(mb->getBufferIdentifier()),
>>>>>> -        _mb(std::move(mb)), _useShlibUndefines(useShlibUndefines) {}
>>>>>> +  DynamicFile(std::unique_ptr<MemoryBuffer> mb, ELFLinkingContext
>>>>>> &ctx)
>>>>>> +      : SharedLibraryFile(mb->getBufferIdentifier()),
>>>>>> _mb(std::move(mb)),
>>>>>> +        _ctx(ctx), _useShlibUndefines(ctx.useShlibUndefines()) {}
>>>>>>
>>>>>>      mutable llvm::BumpPtrAllocator _alloc;
>>>>>>      std::unique_ptr<llvm::object::ELFFile<ELFT>> _objFile;
>>>>>> @@ -100,6 +100,7 @@ private:
>>>>>>      };
>>>>>>
>>>>>>      std::unique_ptr<MemoryBuffer> _mb;
>>>>>> +  ELFLinkingContext &_ctx;
>>>>>>      bool _useShlibUndefines;
>>>>>>      mutable std::unordered_map<StringRef, SymAtomPair> _nameToSym;
>>>>>>    };
>>>>>> @@ -107,9 +108,8 @@ private:
>>>>>>    template <class ELFT>
>>>>>>    ErrorOr<std::unique_ptr<DynamicFile<ELFT>>>
>>>>>>    DynamicFile<ELFT>::create(std::unique_ptr<llvm::MemoryBuffer> mb,
>>>>>> -                          bool useShlibUndefines) {
>>>>>> -  return std::unique_ptr<DynamicFile>(
>>>>>> -      new DynamicFile(std::move(mb), useShlibUndefines));
>>>>>> +                          ELFLinkingContext &ctx) {
>>>>>> +  return std::unique_ptr<DynamicFile>(new DynamicFile(std::move(mb),
>>>>>> ctx));
>>>>>>    }
>>>>>>
>>>>>>    } // end namespace elf
>>>>>>
>>>>>> Modified: lld/trunk/lib/ReaderWriter/ELF/DynamicLibraryWriter.h
>>>>>> URL:
>>>>>> http://llvm.org/viewvc/llvm-project/lld/trunk/lib/ReaderWriter/ELF/
>>>>>> DynamicLibraryWriter.h?rev=228905&r1=228904&r2=228905&view=diff
>>>>>>
>>>>>> ============================================================
>>>>>> ==================
>>>>>> --- lld/trunk/lib/ReaderWriter/ELF/DynamicLibraryWriter.h (original)
>>>>>> +++ lld/trunk/lib/ReaderWriter/ELF/DynamicLibraryWriter.h Wed Feb 11
>>>>>> 23:02:41 2015
>>>>>> @@ -25,8 +25,7 @@ class DynamicLibraryWriter;
>>>>>>    template<class ELFT>
>>>>>>    class DynamicLibraryWriter : public OutputELFWriter<ELFT> {
>>>>>>    public:
>>>>>> -  DynamicLibraryWriter(const ELFLinkingContext &context,
>>>>>> -                       TargetLayout<ELFT> &layout)
>>>>>> +  DynamicLibraryWriter(ELFLinkingContext &context,
>>>>>> TargetLayout<ELFT>
>>>>>> &layout)
>>>>>>          : OutputELFWriter<ELFT>(context, layout),
>>>>>>            _runtimeFile(new CRuntimeFile<ELFT>(context)) {}
>>>>>>
>>>>>>
>>>>>> Modified: lld/trunk/lib/ReaderWriter/ELF/ELFFile.h
>>>>>> URL:
>>>>>> http://llvm.org/viewvc/llvm-project/lld/trunk/lib/
>>>>>> ReaderWriter/ELF/ELFFile.h?rev=228905&r1=228904&r2=228905&view=diff
>>>>>>
>>>>>> ============================================================
>>>>>> ==================
>>>>>> --- lld/trunk/lib/ReaderWriter/ELF/ELFFile.h (original)
>>>>>> +++ lld/trunk/lib/ReaderWriter/ELF/ELFFile.h Wed Feb 11 23:02:41 2015
>>>>>> @@ -115,17 +115,18 @@ template <class ELFT> class ELFFile : pu
>>>>>>      typedef typename MergedSectionMapT::iterator
>>>>>> MergedSectionMapIterT;
>>>>>>
>>>>>>    public:
>>>>>> -  ELFFile(StringRef name)
>>>>>> -      : File(name, kindObject), _ordinal(0), _doStringsMerge(false) {
>>>>>> +  ELFFile(StringRef name, ELFLinkingContext &ctx)
>>>>>> +      : File(name, kindObject), _ordinal(0),
>>>>>> +        _doStringsMerge(ctx.mergeCommonStrings()), _ctx(ctx) {
>>>>>>        setLastError(std::error_code());
>>>>>>      }
>>>>>>
>>>>>> -  ELFFile(std::unique_ptr<MemoryBuffer> mb, bool atomizeStrings =
>>>>>> false)
>>>>>> +  ELFFile(std::unique_ptr<MemoryBuffer> mb, ELFLinkingContext &ctx)
>>>>>>          : File(mb->getBufferIdentifier(), kindObject),
>>>>>> _mb(std::move(mb)),
>>>>>> -        _ordinal(0), _doStringsMerge(atomizeStrings) {}
>>>>>> +        _ordinal(0), _doStringsMerge(ctx.mergeCommonStrings()),
>>>>>> _ctx(ctx) {}
>>>>>>
>>>>>>      static ErrorOr<std::unique_ptr<ELFFile>>
>>>>>> -  create(std::unique_ptr<MemoryBuffer> mb, bool atomizeStrings);
>>>>>> +  create(std::unique_ptr<MemoryBuffer> mb, ELFLinkingContext &ctx);
>>>>>>
>>>>>>      virtual Reference::KindArch kindArch();
>>>>>>
>>>>>> @@ -360,6 +361,9 @@ protected:
>>>>>>
>>>>>>      /// \brief the cached options relevant while reading the ELF File
>>>>>>      bool _doStringsMerge;
>>>>>> +
>>>>>> +  /// \brief The LinkingContext.
>>>>>> +  ELFLinkingContext &_ctx;
>>>>>>    };
>>>>>>
>>>>>>    /// \brief All atoms are owned by a File. To add linker specific
>>>>>> atoms
>>>>>> @@ -370,8 +374,8 @@ protected:
>>>>>>    template <class ELFT> class CRuntimeFile : public ELFFile<ELFT> {
>>>>>>    public:
>>>>>>      typedef llvm::object::Elf_Sym_Impl<ELFT> Elf_Sym;
>>>>>> -  CRuntimeFile(const ELFLinkingContext &context, StringRef name = "C
>>>>>> runtime")
>>>>>> -      : ELFFile<ELFT>(name) {}
>>>>>> +  CRuntimeFile(ELFLinkingContext &context, StringRef name = "C
>>>>>> runtime")
>>>>>> +      : ELFFile<ELFT>(name, context) {}
>>>>>>
>>>>>>      /// \brief add a global absolute atom
>>>>>>      virtual Atom *addAbsoluteAtom(StringRef symbolName) {
>>>>>> @@ -411,9 +415,9 @@ public:
>>>>>>
>>>>>>    template <class ELFT>
>>>>>>    ErrorOr<std::unique_ptr<ELFFile<ELFT>>>
>>>>>> -ELFFile<ELFT>::create(std::unique_ptr<MemoryBuffer> mb, bool
>>>>>> atomizeStrings) {
>>>>>> -  std::unique_ptr<ELFFile<ELFT>> file(
>>>>>> -      new ELFFile<ELFT>(std::move(mb), atomizeStrings));
>>>>>> +ELFFile<ELFT>::create(std::unique_ptr<MemoryBuffer> mb,
>>>>>> +                      ELFLinkingContext &ctx) {
>>>>>> +  std::unique_ptr<ELFFile<ELFT>> file(new
>>>>>> ELFFile<ELFT>(std::move(mb),
>>>>>> ctx));
>>>>>>      return std::move(file);
>>>>>>    }
>>>>>>
>>>>>>
>>>>>> Modified: lld/trunk/lib/ReaderWriter/ELF/ELFReader.h
>>>>>> URL:
>>>>>> http://llvm.org/viewvc/llvm-project/lld/trunk/lib/
>>>>>> ReaderWriter/ELF/ELFReader.h?rev=228905&r1=228904&r2=228905&view=diff
>>>>>>
>>>>>> ============================================================
>>>>>> ==================
>>>>>> --- lld/trunk/lib/ReaderWriter/ELF/ELFReader.h (original)
>>>>>> +++ lld/trunk/lib/ReaderWriter/ELF/ELFReader.h Wed Feb 11 23:02:41
>>>>>> 2015
>>>>>> @@ -18,13 +18,13 @@
>>>>>>    namespace lld {
>>>>>>    namespace elf {
>>>>>>
>>>>>> -template <typename ELFT, typename ELFTraitsT>
>>>>>> +template <typename ELFT, typename ELFTraitsT, typename ContextT>
>>>>>>    class ELFObjectReader : public Reader {
>>>>>>    public:
>>>>>>      typedef llvm::object::Elf_Ehdr_Impl<ELFT> Elf_Ehdr;
>>>>>>
>>>>>> -  ELFObjectReader(bool atomizeStrings, uint64_t machine)
>>>>>> -      : _atomizeStrings(atomizeStrings), _machine(machine) {}
>>>>>> +  ELFObjectReader(ContextT &ctx, uint64_t machine)
>>>>>> +      : _ctx(ctx), _machine(machine) {}
>>>>>>
>>>>>>      bool canParse(file_magic magic, StringRef,
>>>>>>                    const MemoryBuffer &buf) const override {
>>>>>> @@ -39,7 +39,7 @@ public:
>>>>>>            1ULL <<
>>>>>> llvm::countTrailingZeros(uintptr_t(mb->getBufferStart()));
>>>>>>        auto f =
>>>>>>
>>>>>>    createELF<ELFTraitsT>(llvm::object::getElfArchType(mb->
>>>>>> getBuffer()),
>>>>>> -                              maxAlignment, std::move(mb),
>>>>>> _atomizeStrings);
>>>>>> +                              maxAlignment, std::move(mb), _ctx);
>>>>>>        if (std::error_code ec = f.getError())
>>>>>>          return ec;
>>>>>>        result.push_back(std::move(*f));
>>>>>> @@ -53,17 +53,17 @@ public:
>>>>>>      }
>>>>>>
>>>>>>    protected:
>>>>>> -  bool _atomizeStrings;
>>>>>> +  ContextT &_ctx;
>>>>>>      uint64_t _machine;
>>>>>>    };
>>>>>>
>>>>>> -template <typename ELFT, typename ELFTraitsT>
>>>>>> +template <typename ELFT, typename ELFTraitsT, typename ContextT>
>>>>>>    class ELFDSOReader : public Reader {
>>>>>>    public:
>>>>>>      typedef llvm::object::Elf_Ehdr_Impl<ELFT> Elf_Ehdr;
>>>>>>
>>>>>> -  ELFDSOReader(bool useUndefines, uint64_t machine)
>>>>>> -      : _useUndefines(useUndefines), _machine(machine) {}
>>>>>> +  ELFDSOReader(ContextT &ctx, uint64_t machine)
>>>>>> +      : _ctx(ctx), _machine(machine) {}
>>>>>>
>>>>>>      bool canParse(file_magic magic, StringRef,
>>>>>>                    const MemoryBuffer &buf) const override {
>>>>>> @@ -78,7 +78,7 @@ public:
>>>>>>            1ULL <<
>>>>>> llvm::countTrailingZeros(uintptr_t(mb->getBufferStart()));
>>>>>>        auto f =
>>>>>>
>>>>>>    createELF<ELFTraitsT>(llvm::object::getElfArchType(mb->
>>>>>> getBuffer()),
>>>>>> -                              maxAlignment, std::move(mb),
>>>>>> _useUndefines);
>>>>>> +                              maxAlignment, std::move(mb), _ctx);
>>>>>>        if (std::error_code ec = f.getError())
>>>>>>          return ec;
>>>>>>        result.push_back(std::move(*f));
>>>>>> @@ -92,7 +92,7 @@ public:
>>>>>>      }
>>>>>>
>>>>>>    protected:
>>>>>> -  bool _useUndefines;
>>>>>> +  ContextT &_ctx;
>>>>>>      uint64_t _machine;
>>>>>>    };
>>>>>>
>>>>>>
>>>>>> Modified: lld/trunk/lib/ReaderWriter/ELF/ExecutableWriter.h
>>>>>> URL:
>>>>>> http://llvm.org/viewvc/llvm-project/lld/trunk/lib/ReaderWriter/ELF/
>>>>>> ExecutableWriter.h?rev=228905&r1=228904&r2=228905&view=diff
>>>>>>
>>>>>> ============================================================
>>>>>> ==================
>>>>>> --- lld/trunk/lib/ReaderWriter/ELF/ExecutableWriter.h (original)
>>>>>> +++ lld/trunk/lib/ReaderWriter/ELF/ExecutableWriter.h Wed Feb 11
>>>>>> 23:02:41
>>>>>> 2015
>>>>>> @@ -25,7 +25,7 @@ class ExecutableWriter;
>>>>>>    template<class ELFT>
>>>>>>    class ExecutableWriter : public OutputELFWriter<ELFT> {
>>>>>>    public:
>>>>>> -  ExecutableWriter(const ELFLinkingContext &context,
>>>>>> TargetLayout<ELFT>
>>>>>> &layout)
>>>>>> +  ExecutableWriter(ELFLinkingContext &context, TargetLayout<ELFT>
>>>>>> &layout)
>>>>>>          : OutputELFWriter<ELFT>(context, layout),
>>>>>>            _runtimeFile(new CRuntimeFile<ELFT>(context)) {}
>>>>>>
>>>>>>
>>>>>> Modified: lld/trunk/lib/ReaderWriter/ELF/Hexagon/HexagonELFFile.h
>>>>>> URL:
>>>>>> http://llvm.org/viewvc/llvm-project/lld/trunk/lib/
>>>>>> ReaderWriter/ELF/Hexagon/HexagonELFFile.h?rev=228905&
>>>>>> r1=228904&r2=228905&view=diff
>>>>>>
>>>>>> ============================================================
>>>>>> ==================
>>>>>> --- lld/trunk/lib/ReaderWriter/ELF/Hexagon/HexagonELFFile.h
>>>>>> (original)
>>>>>> +++ lld/trunk/lib/ReaderWriter/ELF/Hexagon/HexagonELFFile.h Wed Feb
>>>>>> 11
>>>>>> 23:02:41 2015
>>>>>> @@ -114,13 +114,13 @@ template <class ELFT> class HexagonELFFi
>>>>>>      typedef llvm::object::Elf_Shdr_Impl<ELFT> Elf_Shdr;
>>>>>>
>>>>>>    public:
>>>>>> -  HexagonELFFile(std::unique_ptr<MemoryBuffer> mb, bool
>>>>>> atomizeStrings)
>>>>>> -      : ELFFile<ELFT>(std::move(mb), atomizeStrings) {}
>>>>>> +  HexagonELFFile(std::unique_ptr<MemoryBuffer> mb,
>>>>>> HexagonLinkingContext
>>>>>> &ctx)
>>>>>> +      : ELFFile<ELFT>(std::move(mb), ctx) {}
>>>>>>
>>>>>>      static ErrorOr<std::unique_ptr<HexagonELFFile>>
>>>>>> -  create(std::unique_ptr<MemoryBuffer> mb, bool atomizeStrings) {
>>>>>> +  create(std::unique_ptr<MemoryBuffer> mb, HexagonLinkingContext
>>>>>> &ctx) {
>>>>>>        return std::unique_ptr<HexagonELFFile<ELFT>>(
>>>>>> -        new HexagonELFFile<ELFT>(std::move(mb), atomizeStrings));
>>>>>> +        new HexagonELFFile<ELFT>(std::move(mb), ctx));
>>>>>>      }
>>>>>>
>>>>>>      bool isCommonSymbol(const Elf_Sym *symbol) const override {
>>>>>>
>>>>>> Modified: lld/trunk/lib/ReaderWriter/ELF/Hexagon/HexagonELFReader.h
>>>>>> URL:
>>>>>> http://llvm.org/viewvc/llvm-project/lld/trunk/lib/
>>>>>> ReaderWriter/ELF/Hexagon/HexagonELFReader.h?rev=228905&
>>>>>> r1=228904&r2=228905&view=diff
>>>>>>
>>>>>> ============================================================
>>>>>> ==================
>>>>>> --- lld/trunk/lib/ReaderWriter/ELF/Hexagon/HexagonELFReader.h
>>>>>> (original)
>>>>>> +++ lld/trunk/lib/ReaderWriter/ELF/Hexagon/HexagonELFReader.h Wed Feb
>>>>>> 11
>>>>>> 23:02:41 2015
>>>>>> @@ -23,9 +23,8 @@ struct HexagonDynamicFileCreateELFTraits
>>>>>>
>>>>>>      template <class ELFT>
>>>>>>      static result_type create(std::unique_ptr<llvm::MemoryBuffer>
>>>>>> mb,
>>>>>> -                            bool useUndefines) {
>>>>>> -    return lld::elf::HexagonDynamicFile<ELFT>::create(std::move(mb),
>>>>>> -                                                      useUndefines);
>>>>>> +                            HexagonLinkingContext &ctx) {
>>>>>> +    return lld::elf::HexagonDynamicFile<ELFT>::create(std::move(mb),
>>>>>> ctx);
>>>>>>      }
>>>>>>    };
>>>>>>
>>>>>> @@ -34,26 +33,27 @@ struct HexagonELFFileCreateELFTraits {
>>>>>>
>>>>>>      template <class ELFT>
>>>>>>      static result_type create(std::unique_ptr<llvm::MemoryBuffer>
>>>>>> mb,
>>>>>> -                            bool atomizeStrings) {
>>>>>> -    return lld::elf::HexagonELFFile<ELFT>::create(std::move(mb),
>>>>>> -                                                  atomizeStrings);
>>>>>> +                            HexagonLinkingContext &ctx) {
>>>>>> +    return lld::elf::HexagonELFFile<ELFT>::create(std::move(mb),
>>>>>> ctx);
>>>>>>      }
>>>>>>    };
>>>>>>
>>>>>>    class HexagonELFObjectReader
>>>>>> -    : public ELFObjectReader<HexagonELFType,
>>>>>> HexagonELFFileCreateELFTraits> {
>>>>>> +    : public ELFObjectReader<HexagonELFType,
>>>>>> HexagonELFFileCreateELFTraits,
>>>>>> +                             HexagonLinkingContext> {
>>>>>>    public:
>>>>>> -  HexagonELFObjectReader(bool atomizeStrings)
>>>>>> -      : ELFObjectReader<HexagonELFType,
>>>>>> HexagonELFFileCreateELFTraits>
>>>>>> (
>>>>>> -            atomizeStrings, llvm::ELF::EM_HEXAGON) {}
>>>>>> +  HexagonELFObjectReader(HexagonLinkingContext &ctx)
>>>>>> +      : ELFObjectReader<HexagonELFType,
>>>>>> HexagonELFFileCreateELFTraits,
>>>>>> +                        HexagonLinkingContext>(ctx,
>>>>>> llvm::ELF::EM_HEXAGON) {}
>>>>>>    };
>>>>>>
>>>>>>    class HexagonELFDSOReader
>>>>>> -    : public ELFDSOReader<HexagonELFType,
>>>>>> HexagonDynamicFileCreateELFTraits> {
>>>>>> +    : public ELFDSOReader<HexagonELFType,
>>>>>> HexagonDynamicFileCreateELFTraits,
>>>>>> +                          HexagonLinkingContext> {
>>>>>>    public:
>>>>>> -  HexagonELFDSOReader(bool useUndefines)
>>>>>> -      : ELFDSOReader<HexagonELFType, HexagonDynamicFileCreateELFTra
>>>>>> its>(
>>>>>> -            useUndefines, llvm::ELF::EM_HEXAGON) {}
>>>>>> +  HexagonELFDSOReader(HexagonLinkingContext &ctx)
>>>>>> +      : ELFDSOReader<HexagonELFType, HexagonDynamicFileCreateELFTra
>>>>>> its,
>>>>>> +                     HexagonLinkingContext>(ctx,
>>>>>> llvm::ELF::EM_HEXAGON)
>>>>>> {}
>>>>>>    };
>>>>>>
>>>>>>    } // namespace elf
>>>>>>
>>>>>> Modified: lld/trunk/lib/ReaderWriter/ELF/Hexagon/
>>>>>> HexagonExecutableAtoms.h
>>>>>> URL:
>>>>>> http://llvm.org/viewvc/llvm-project/lld/trunk/lib/
>>>>>> ReaderWriter/ELF/Hexagon/HexagonExecutableAtoms.h?rev=
>>>>>> 228905&r1=228904&r2=228905&view=diff
>>>>>>
>>>>>> ============================================================
>>>>>> ==================
>>>>>> --- lld/trunk/lib/ReaderWriter/ELF/Hexagon/HexagonExecutableAtoms.h
>>>>>> (original)
>>>>>> +++ lld/trunk/lib/ReaderWriter/ELF/Hexagon/HexagonExecutableAtoms.h
>>>>>> Wed
>>>>>> Feb 11 23:02:41 2015
>>>>>> @@ -20,7 +20,7 @@ class HexagonLinkingContext;
>>>>>>    template <class HexagonELFType> class HexagonRuntimeFile
>>>>>>      : public CRuntimeFile<HexagonELFType> {
>>>>>>    public:
>>>>>> -  HexagonRuntimeFile(const HexagonLinkingContext &context)
>>>>>> +  HexagonRuntimeFile(HexagonLinkingContext &context)
>>>>>>          : CRuntimeFile<HexagonELFType>(context, "Hexagon runtime
>>>>>> file") {}
>>>>>>    };
>>>>>>    } // elf
>>>>>>
>>>>>> Modified: lld/trunk/lib/ReaderWriter/ELF/Hexagon/
>>>>>> HexagonTargetHandler.h
>>>>>> URL:
>>>>>> http://llvm.org/viewvc/llvm-project/lld/trunk/lib/
>>>>>> ReaderWriter/ELF/Hexagon/HexagonTargetHandler.h?rev=
>>>>>> 228905&r1=228904&r2=228905&view=diff
>>>>>>
>>>>>> ============================================================
>>>>>> ==================
>>>>>> --- lld/trunk/lib/ReaderWriter/ELF/Hexagon/HexagonTargetHandler.h
>>>>>> (original)
>>>>>> +++ lld/trunk/lib/ReaderWriter/ELF/Hexagon/HexagonTargetHandler.h Wed
>>>>>> Feb
>>>>>> 11 23:02:41 2015
>>>>>> @@ -117,12 +117,14 @@ public:
>>>>>>        return *(_hexagonTargetLayout.get());
>>>>>>      }
>>>>>>
>>>>>> -  std::unique_ptr<Reader> getObjReader(bool atomizeStrings) override
>>>>>> {
>>>>>> -    return std::unique_ptr<Reader>(new
>>>>>> HexagonELFObjectReader(atomizeStrings));
>>>>>> +  std::unique_ptr<Reader> getObjReader() override {
>>>>>> +    return std::unique_ptr<Reader>(
>>>>>> +        new HexagonELFObjectReader(_hexagonLinkingContext));
>>>>>>      }
>>>>>>
>>>>>> -  std::unique_ptr<Reader> getDSOReader(bool useShlibUndefines)
>>>>>> override {
>>>>>> -    return std::unique_ptr<Reader>(new
>>>>>> HexagonELFDSOReader(useShlibUndefines));
>>>>>> +  std::unique_ptr<Reader> getDSOReader() override {
>>>>>> +    return std::unique_ptr<Reader>(
>>>>>> +        new HexagonELFDSOReader(_hexagonLinkingContext));
>>>>>>      }
>>>>>>
>>>>>>      std::unique_ptr<Writer> getWriter() override;
>>>>>>
>>>>>> Modified: lld/trunk/lib/ReaderWriter/ELF/Mips/MipsELFFile.h
>>>>>> URL:
>>>>>> http://llvm.org/viewvc/llvm-project/lld/trunk/lib/
>>>>>> ReaderWriter/ELF/Mips/MipsELFFile.h?rev=228905&r1=
>>>>>> 228904&r2=228905&view=diff
>>>>>>
>>>>>> ============================================================
>>>>>> ==================
>>>>>> --- lld/trunk/lib/ReaderWriter/ELF/Mips/MipsELFFile.h (original)
>>>>>> +++ lld/trunk/lib/ReaderWriter/ELF/Mips/MipsELFFile.h Wed Feb 11
>>>>>> 23:02:41
>>>>>> 2015
>>>>>> @@ -80,13 +80,13 @@ public:
>>>>>>
>>>>>>    template <class ELFT> class MipsELFFile : public ELFFile<ELFT> {
>>>>>>    public:
>>>>>> -  MipsELFFile(std::unique_ptr<MemoryBuffer> mb, bool atomizeStrings)
>>>>>> -      : ELFFile<ELFT>(std::move(mb), atomizeStrings) {}
>>>>>> +  MipsELFFile(std::unique_ptr<MemoryBuffer> mb, MipsLinkingContext
>>>>>> &ctx)
>>>>>> +      : ELFFile<ELFT>(std::move(mb), ctx) {}
>>>>>>
>>>>>>      static ErrorOr<std::unique_ptr<MipsELFFile>>
>>>>>> -  create(std::unique_ptr<MemoryBuffer> mb, bool atomizeStrings) {
>>>>>> +  create(std::unique_ptr<MemoryBuffer> mb, MipsLinkingContext &ctx)
>>>>>> {
>>>>>>        return std::unique_ptr<MipsELFFile<ELFT>>(
>>>>>> -        new MipsELFFile<ELFT>(std::move(mb), atomizeStrings));
>>>>>> +        new MipsELFFile<ELFT>(std::move(mb), ctx));
>>>>>>      }
>>>>>>
>>>>>>      bool isPIC() const {
>>>>>>
>>>>>> Modified: lld/trunk/lib/ReaderWriter/ELF/Mips/MipsELFReader.h
>>>>>> URL:
>>>>>> http://llvm.org/viewvc/llvm-project/lld/trunk/lib/
>>>>>> ReaderWriter/ELF/Mips/MipsELFReader.h?rev=228905&r1=
>>>>>> 228904&r2=228905&view=diff
>>>>>>
>>>>>> ============================================================
>>>>>> ==================
>>>>>> --- lld/trunk/lib/ReaderWriter/ELF/Mips/MipsELFReader.h (original)
>>>>>> +++ lld/trunk/lib/ReaderWriter/ELF/Mips/MipsELFReader.h Wed Feb 11
>>>>>> 23:02:41 2015
>>>>>> @@ -22,8 +22,8 @@ struct MipsELFFileCreateTraits {
>>>>>>
>>>>>>      template <class ELFT>
>>>>>>      static result_type create(std::unique_ptr<llvm::MemoryBuffer>
>>>>>> mb,
>>>>>> -                            bool atomizeStrings) {
>>>>>> -    return lld::elf::MipsELFFile<ELFT>::create(std::move(mb),
>>>>>> atomizeStrings);
>>>>>> +                            MipsLinkingContext &ctx) {
>>>>>> +    return lld::elf::MipsELFFile<ELFT>::create(std::move(mb), ctx);
>>>>>>      }
>>>>>>    };
>>>>>>
>>>>>> @@ -32,19 +32,21 @@ struct MipsDynamicFileCreateELFTraits {
>>>>>>
>>>>>>      template <class ELFT>
>>>>>>      static result_type create(std::unique_ptr<llvm::MemoryBuffer>
>>>>>> mb,
>>>>>> -                            bool useUndefines) {
>>>>>> -    return lld::elf::MipsDynamicFile<ELFT>::create(std::move(mb),
>>>>>> useUndefines);
>>>>>> +                            MipsLinkingContext &ctx) {
>>>>>> +    return lld::elf::MipsDynamicFile<ELFT>::create(std::move(mb),
>>>>>> ctx);
>>>>>>      }
>>>>>>    };
>>>>>>
>>>>>>    template <class ELFT>
>>>>>>    class MipsELFObjectReader
>>>>>> -    : public ELFObjectReader<ELFT, MipsELFFileCreateTraits> {
>>>>>> -  typedef ELFObjectReader<ELFT, MipsELFFileCreateTraits>
>>>>>> BaseReaderType;
>>>>>> +    : public ELFObjectReader<ELFT, MipsELFFileCreateTraits,
>>>>>> +                             MipsLinkingContext> {
>>>>>> +  typedef ELFObjectReader<ELFT, MipsELFFileCreateTraits,
>>>>>> MipsLinkingContext>
>>>>>> +      BaseReaderType;
>>>>>>
>>>>>>    public:
>>>>>> -  MipsELFObjectReader(MipsLinkingContext &ctx, bool atomizeStrings)
>>>>>> -      : BaseReaderType(atomizeStrings, llvm::ELF::EM_MIPS),
>>>>>> +  MipsELFObjectReader(MipsLinkingContext &ctx)
>>>>>> +      : BaseReaderType(ctx, llvm::ELF::EM_MIPS),
>>>>>>            _flagMerger(ctx.getELFFlagsMerger()) {}
>>>>>>
>>>>>>      std::error_code
>>>>>> @@ -62,12 +64,14 @@ private:
>>>>>>
>>>>>>    template <class ELFT>
>>>>>>    class MipsELFDSOReader
>>>>>> -    : public ELFDSOReader<ELFT, MipsDynamicFileCreateELFTraits> {
>>>>>> -  typedef ELFDSOReader<ELFT, MipsDynamicFileCreateELFTraits>
>>>>>> BaseReaderType;
>>>>>> +    : public ELFDSOReader<ELFT, MipsDynamicFileCreateELFTraits,
>>>>>> +                          MipsLinkingContext> {
>>>>>> +  typedef ELFDSOReader<ELFT, MipsDynamicFileCreateELFTraits,
>>>>>> MipsLinkingContext>
>>>>>> +      BaseReaderType;
>>>>>>
>>>>>>    public:
>>>>>> -  MipsELFDSOReader(MipsLinkingContext &ctx, bool useUndefines)
>>>>>> -      : BaseReaderType(useUndefines, llvm::ELF::EM_MIPS),
>>>>>> +  MipsELFDSOReader(MipsLinkingContext &ctx)
>>>>>> +      : BaseReaderType(ctx, llvm::ELF::EM_MIPS),
>>>>>>            _flagMerger(ctx.getELFFlagsMerger()) {}
>>>>>>
>>>>>>      std::error_code
>>>>>>
>>>>>> Modified: lld/trunk/lib/ReaderWriter/ELF/Mips/MipsTargetHandler.h
>>>>>> URL:
>>>>>> http://llvm.org/viewvc/llvm-project/lld/trunk/lib/
>>>>>> ReaderWriter/ELF/Mips/MipsTargetHandler.h?rev=
>>>>>> 228905&r1=228904&r2=228905&view=diff
>>>>>>
>>>>>> ============================================================
>>>>>> ==================
>>>>>> --- lld/trunk/lib/ReaderWriter/ELF/Mips/MipsTargetHandler.h
>>>>>> (original)
>>>>>> +++ lld/trunk/lib/ReaderWriter/ELF/Mips/MipsTargetHandler.h Wed Feb
>>>>>> 11
>>>>>> 23:02:41 2015
>>>>>> @@ -79,7 +79,7 @@ private:
>>>>>>    template <class ELFType>
>>>>>>    class MipsRuntimeFile final : public CRuntimeFile<ELFType> {
>>>>>>    public:
>>>>>> -  MipsRuntimeFile(const MipsLinkingContext &ctx)
>>>>>> +  MipsRuntimeFile(MipsLinkingContext &ctx)
>>>>>>          : CRuntimeFile<ELFType>(ctx, "Mips runtime file") {}
>>>>>>    };
>>>>>>
>>>>>> @@ -102,14 +102,12 @@ public:
>>>>>>
>>>>>>      MipsTargetLayout<ELFT> &getTargetLayout() override { return
>>>>>> *_targetLayout; }
>>>>>>
>>>>>> -  std::unique_ptr<Reader> getObjReader(bool atomizeStrings) override
>>>>>> {
>>>>>> -    return std::unique_ptr<Reader>(
>>>>>> -        new MipsELFObjectReader<ELFT>(_ctx, atomizeStrings));
>>>>>> +  std::unique_ptr<Reader> getObjReader() override {
>>>>>> +    return std::unique_ptr<Reader>(new MipsELFObjectReader<ELFT>(_
>>>>>> ctx));
>>>>>>      }
>>>>>>
>>>>>> -  std::unique_ptr<Reader> getDSOReader(bool useShlibUndefines)
>>>>>> override {
>>>>>> -    return std::unique_ptr<Reader>(
>>>>>> -        new MipsELFDSOReader<ELFT>(_ctx, useShlibUndefines));
>>>>>> +  std::unique_ptr<Reader> getDSOReader() override {
>>>>>> +    return std::unique_ptr<Reader>(new MipsELFDSOReader<ELFT>(_ctx));
>>>>>>      }
>>>>>>
>>>>>>      const TargetRelocationHandler &getRelocationHandler() const
>>>>>> override {
>>>>>>
>>>>>> Modified: lld/trunk/lib/ReaderWriter/ELF/Reader.cpp
>>>>>> URL:
>>>>>> http://llvm.org/viewvc/llvm-project/lld/trunk/lib/
>>>>>> ReaderWriter/ELF/Reader.cpp?rev=228905&r1=228904&r2=228905&view=diff
>>>>>>
>>>>>> ============================================================
>>>>>> ==================
>>>>>> --- lld/trunk/lib/ReaderWriter/ELF/Reader.cpp (original)
>>>>>> +++ lld/trunk/lib/ReaderWriter/ELF/Reader.cpp Wed Feb 11 23:02:41
>>>>>> 2015
>>>>>> @@ -26,20 +26,18 @@ namespace lld {
>>>>>>    // architectures to be pulled into the linker.  If we want to
>>>>>> support
>>>>>> making a
>>>>>>    // linker that only supports one ELF architecture, we'd need to
>>>>>> change
>>>>>> this
>>>>>>    // to have a different registration method for each architecture.
>>>>>> -void Registry::addSupportELFObjects(bool atomizeStrings,
>>>>>> -                                    TargetHandlerBase *handler) {
>>>>>> +void Registry::addSupportELFObjects(ELFLinkingContext &ctx) {
>>>>>>
>>>>>>      // Tell registry about the ELF object file parser.
>>>>>> -  add(std::move(handler->getObjReader(atomizeStrings)));
>>>>>> +  add(std::move(ctx.targetHandler()->getObjReader()));
>>>>>>
>>>>>>      // Tell registry about the relocation name to number mapping for
>>>>>> this
>>>>>> arch.
>>>>>> -  handler->registerRelocationNames(*this);
>>>>>> +  ctx.targetHandler()->registerRelocationNames(*this);
>>>>>>    }
>>>>>>
>>>>>> -void Registry::addSupportELFDynamicSharedObjects(bool
>>>>>> useShlibUndefines,
>>>>>> -                                                 TargetHandlerBase
>>>>>> *handler) {
>>>>>> +void Registry::addSupportELFDynamicSharedObjects(ELFLinkingContext
>>>>>> &ctx)
>>>>>> {
>>>>>>      // Tell registry about the ELF dynamic shared library file
>>>>>> parser.
>>>>>> -  add(handler->getDSOReader(useShlibUndefines));
>>>>>> +  add(ctx.targetHandler()->getDSOReader());
>>>>>>    }
>>>>>>
>>>>>>    } // end namespace lld
>>>>>>
>>>>>> Modified: lld/trunk/lib/ReaderWriter/ELF/TargetHandler.h
>>>>>> URL:
>>>>>> http://llvm.org/viewvc/llvm-project/lld/trunk/lib/ReaderWriter/ELF/
>>>>>> TargetHandler.h?rev=228905&r1=228904&r2=228905&view=diff
>>>>>>
>>>>>> ============================================================
>>>>>> ==================
>>>>>> --- lld/trunk/lib/ReaderWriter/ELF/TargetHandler.h (original)
>>>>>> +++ lld/trunk/lib/ReaderWriter/ELF/TargetHandler.h Wed Feb 11
>>>>>> 23:02:41
>>>>>> 2015
>>>>>> @@ -63,10 +63,10 @@ public:
>>>>>>      virtual const TargetRelocationHandler &getRelocationHandler()
>>>>>> const
>>>>>> =
>>>>>> 0;
>>>>>>
>>>>>>      /// How does the target deal with reading input files.
>>>>>> -  virtual std::unique_ptr<Reader> getObjReader(bool) = 0;
>>>>>> +  virtual std::unique_ptr<Reader> getObjReader() = 0;
>>>>>>
>>>>>>      /// How does the target deal with reading dynamic libraries.
>>>>>> -  virtual std::unique_ptr<Reader> getDSOReader(bool) = 0;
>>>>>> +  virtual std::unique_ptr<Reader> getDSOReader() = 0;
>>>>>>
>>>>>>      /// How does the target deal with writing ELF output.
>>>>>>      virtual std::unique_ptr<Writer> getWriter() = 0;
>>>>>>
>>>>>> Modified: lld/trunk/lib/ReaderWriter/ELF/X86/X86ELFFile.h
>>>>>> URL:
>>>>>> http://llvm.org/viewvc/llvm-project/lld/trunk/lib/
>>>>>> ReaderWriter/ELF/X86/
>>>>>> X86ELFFile.h?rev=228905&r1=228904&r2=228905&view=diff
>>>>>>
>>>>>> ============================================================
>>>>>> ==================
>>>>>> --- lld/trunk/lib/ReaderWriter/ELF/X86/X86ELFFile.h (original)
>>>>>> +++ lld/trunk/lib/ReaderWriter/ELF/X86/X86ELFFile.h Wed Feb 11
>>>>>> 23:02:41
>>>>>> 2015
>>>>>> @@ -19,13 +19,13 @@ class X86LinkingContext;
>>>>>>
>>>>>>    template <class ELFT> class X86ELFFile : public ELFFile<ELFT> {
>>>>>>    public:
>>>>>> -  X86ELFFile(std::unique_ptr<MemoryBuffer> mb, bool atomizeStrings)
>>>>>> -      : ELFFile<ELFT>(std::move(mb), atomizeStrings) {}
>>>>>> +  X86ELFFile(std::unique_ptr<MemoryBuffer> mb, X86LinkingContext
>>>>>> &ctx)
>>>>>> +      : ELFFile<ELFT>(std::move(mb), ctx) {}
>>>>>>
>>>>>>      static ErrorOr<std::unique_ptr<X86ELFFile>>
>>>>>> -  create(std::unique_ptr<MemoryBuffer> mb, bool atomizeStrings) {
>>>>>> +  create(std::unique_ptr<MemoryBuffer> mb, X86LinkingContext &ctx) {
>>>>>>        return std::unique_ptr<X86ELFFile<ELFT>>(
>>>>>> -        new X86ELFFile<ELFT>(std::move(mb), atomizeStrings));
>>>>>> +        new X86ELFFile<ELFT>(std::move(mb), ctx));
>>>>>>      }
>>>>>>    };
>>>>>>
>>>>>>
>>>>>> Modified: lld/trunk/lib/ReaderWriter/ELF/X86/X86ELFReader.h
>>>>>> URL:
>>>>>> http://llvm.org/viewvc/llvm-project/lld/trunk/lib/
>>>>>> ReaderWriter/ELF/X86/
>>>>>> X86ELFReader.h?rev=228905&r1=228904&r2=228905&view=diff
>>>>>>
>>>>>> ============================================================
>>>>>> ==================
>>>>>> --- lld/trunk/lib/ReaderWriter/ELF/X86/X86ELFReader.h (original)
>>>>>> +++ lld/trunk/lib/ReaderWriter/ELF/X86/X86ELFReader.h Wed Feb 11
>>>>>> 23:02:41
>>>>>> 2015
>>>>>> @@ -23,8 +23,8 @@ struct X86DynamicFileCreateELFTraits {
>>>>>>
>>>>>>      template <class ELFT>
>>>>>>      static result_type create(std::unique_ptr<llvm::MemoryBuffer>
>>>>>> mb,
>>>>>> -                            bool useUndefines) {
>>>>>> -    return lld::elf::X86DynamicFile<ELFT>::create(std::move(mb),
>>>>>> useUndefines);
>>>>>> +                            X86LinkingContext &ctx) {
>>>>>> +    return lld::elf::X86DynamicFile<ELFT>::create(std::move(mb),
>>>>>> ctx);
>>>>>>      }
>>>>>>    };
>>>>>>
>>>>>> @@ -33,25 +33,27 @@ struct X86ELFFileCreateELFTraits {
>>>>>>
>>>>>>      template <class ELFT>
>>>>>>      static result_type create(std::unique_ptr<llvm::MemoryBuffer>
>>>>>> mb,
>>>>>> -                            bool atomizeStrings) {
>>>>>> -    return lld::elf::X86ELFFile<ELFT>::create(std::move(mb),
>>>>>> atomizeStrings);
>>>>>> +                            X86LinkingContext &ctx) {
>>>>>> +    return lld::elf::X86ELFFile<ELFT>::create(std::move(mb), ctx);
>>>>>>      }
>>>>>>    };
>>>>>>
>>>>>>    class X86ELFObjectReader
>>>>>> -    : public ELFObjectReader<X86ELFType, X86ELFFileCreateELFTraits> {
>>>>>> +    : public ELFObjectReader<X86ELFType, X86ELFFileCreateELFTraits,
>>>>>> +                             X86LinkingContext> {
>>>>>>    public:
>>>>>> -  X86ELFObjectReader(bool atomizeStrings)
>>>>>> -      : ELFObjectReader<X86ELFType, X86ELFFileCreateELFTraits>(
>>>>>> -            atomizeStrings, llvm::ELF::EM_386) {}
>>>>>> +  X86ELFObjectReader(X86LinkingContext &ctx)
>>>>>> +      : ELFObjectReader<X86ELFType, X86ELFFileCreateELFTraits,
>>>>>> +                        X86LinkingContext>(ctx, llvm::ELF::EM_386) {}
>>>>>>    };
>>>>>>
>>>>>>    class X86ELFDSOReader
>>>>>> -    : public ELFDSOReader<X86ELFType, X86DynamicFileCreateELFTraits>
>>>>>> {
>>>>>> +    : public ELFDSOReader<X86ELFType, X86DynamicFileCreateELFTraits,
>>>>>> +                          X86LinkingContext> {
>>>>>>    public:
>>>>>> -  X86ELFDSOReader(bool useUndefines)
>>>>>> -      : ELFDSOReader<X86ELFType, X86DynamicFileCreateELFTraits>(
>>>>>> -            useUndefines, llvm::ELF::EM_386) {}
>>>>>> +  X86ELFDSOReader(X86LinkingContext &ctx)
>>>>>> +      : ELFDSOReader<X86ELFType, X86DynamicFileCreateELFTraits,
>>>>>> +                     X86LinkingContext>(ctx, llvm::ELF::EM_386) {}
>>>>>>    };
>>>>>>
>>>>>>    } // namespace elf
>>>>>>
>>>>>> Modified: lld/trunk/lib/ReaderWriter/ELF/X86/X86TargetHandler.h
>>>>>> URL:
>>>>>> http://llvm.org/viewvc/llvm-project/lld/trunk/lib/
>>>>>> ReaderWriter/ELF/X86/
>>>>>> X86TargetHandler.h?rev=228905&r1=228904&r2=228905&view=diff
>>>>>>
>>>>>> ============================================================
>>>>>> ==================
>>>>>> --- lld/trunk/lib/ReaderWriter/ELF/X86/X86TargetHandler.h (original)
>>>>>> +++ lld/trunk/lib/ReaderWriter/ELF/X86/X86TargetHandler.h Wed Feb 11
>>>>>> 23:02:41 2015
>>>>>> @@ -41,12 +41,12 @@ public:
>>>>>>        return *(_x86RelocationHandler.get());
>>>>>>      }
>>>>>>
>>>>>> -  std::unique_ptr<Reader> getObjReader(bool atomizeStrings) override
>>>>>> {
>>>>>> -    return std::unique_ptr<Reader>(new
>>>>>> X86ELFObjectReader(atomizeStrings));
>>>>>> +  std::unique_ptr<Reader> getObjReader() override {
>>>>>> +    return std::unique_ptr<Reader>(new
>>>>>> X86ELFObjectReader(_x86LinkingContext));
>>>>>>      }
>>>>>>
>>>>>> -  std::unique_ptr<Reader> getDSOReader(bool useShlibUndefines)
>>>>>> override {
>>>>>> -    return std::unique_ptr<Reader>(new
>>>>>> X86ELFDSOReader(useShlibUndefines));
>>>>>> +  std::unique_ptr<Reader> getDSOReader() override {
>>>>>> +    return std::unique_ptr<Reader>(new
>>>>>> X86ELFDSOReader(_x86LinkingContext));
>>>>>>      }
>>>>>>
>>>>>>      std::unique_ptr<Writer> getWriter() override;
>>>>>>
>>>>>> Modified: lld/trunk/lib/ReaderWriter/ELF/X86_64/X86_64ELFFile.h
>>>>>> URL:
>>>>>> http://llvm.org/viewvc/llvm-project/lld/trunk/lib/
>>>>>> ReaderWriter/ELF/X86_64/X86_64ELFFile.h?rev=228905&r1=
>>>>>> 228904&r2=228905&view=diff
>>>>>>
>>>>>> ============================================================
>>>>>> ==================
>>>>>> --- lld/trunk/lib/ReaderWriter/ELF/X86_64/X86_64ELFFile.h (original)
>>>>>> +++ lld/trunk/lib/ReaderWriter/ELF/X86_64/X86_64ELFFile.h Wed Feb 11
>>>>>> 23:02:41 2015
>>>>>> @@ -19,13 +19,13 @@ class X86_64LinkingContext;
>>>>>>
>>>>>>    template <class ELFT> class X86_64ELFFile : public ELFFile<ELFT> {
>>>>>>    public:
>>>>>> -  X86_64ELFFile(std::unique_ptr<MemoryBuffer> mb, bool
>>>>>> atomizeStrings)
>>>>>> -      : ELFFile<ELFT>(std::move(mb), atomizeStrings) {}
>>>>>> +  X86_64ELFFile(std::unique_ptr<MemoryBuffer> mb,
>>>>>> X86_64LinkingContext
>>>>>> &ctx)
>>>>>> +      : ELFFile<ELFT>(std::move(mb), ctx) {}
>>>>>>
>>>>>>      static ErrorOr<std::unique_ptr<X86_64ELFFile>>
>>>>>> -  create(std::unique_ptr<MemoryBuffer> mb, bool atomizeStrings) {
>>>>>> +  create(std::unique_ptr<MemoryBuffer> mb, X86_64LinkingContext
>>>>>> &ctx)
>>>>>> {
>>>>>>        return std::unique_ptr<X86_64ELFFile<ELFT>>(
>>>>>> -        new X86_64ELFFile<ELFT>(std::move(mb), atomizeStrings));
>>>>>> +        new X86_64ELFFile<ELFT>(std::move(mb), ctx));
>>>>>>      }
>>>>>>    };
>>>>>>
>>>>>>
>>>>>> Modified: lld/trunk/lib/ReaderWriter/ELF/X86_64/X86_64ELFReader.h
>>>>>> URL:
>>>>>> http://llvm.org/viewvc/llvm-project/lld/trunk/lib/
>>>>>> ReaderWriter/ELF/X86_64/X86_64ELFReader.h?rev=228905&r1=
>>>>>> 228904&r2=228905&view=diff
>>>>>>
>>>>>> ============================================================
>>>>>> ==================
>>>>>> --- lld/trunk/lib/ReaderWriter/ELF/X86_64/X86_64ELFReader.h
>>>>>> (original)
>>>>>> +++ lld/trunk/lib/ReaderWriter/ELF/X86_64/X86_64ELFReader.h Wed Feb
>>>>>> 11
>>>>>> 23:02:41 2015
>>>>>> @@ -23,9 +23,8 @@ struct X86_64DynamicFileCreateELFTraits
>>>>>>
>>>>>>      template <class ELFT>
>>>>>>      static result_type create(std::unique_ptr<llvm::MemoryBuffer>
>>>>>> mb,
>>>>>> -                            bool useUndefines) {
>>>>>> -    return lld::elf::X86_64DynamicFile<ELFT>::create(std::move(mb),
>>>>>> -                                                     useUndefines);
>>>>>> +                            X86_64LinkingContext &ctx) {
>>>>>> +    return lld::elf::X86_64DynamicFile<ELFT>::create(std::move(mb),
>>>>>> ctx);
>>>>>>      }
>>>>>>    };
>>>>>>
>>>>>> @@ -34,25 +33,27 @@ struct X86_64ELFFileCreateELFTraits {
>>>>>>
>>>>>>      template <class ELFT>
>>>>>>      static result_type create(std::unique_ptr<llvm::MemoryBuffer>
>>>>>> mb,
>>>>>> -                            bool atomizeStrings) {
>>>>>> -    return lld::elf::X86_64ELFFile<ELFT>::create(std::move(mb),
>>>>>> atomizeStrings);
>>>>>> +                            X86_64LinkingContext &ctx) {
>>>>>> +    return lld::elf::X86_64ELFFile<ELFT>::create(std::move(mb),
>>>>>> ctx);
>>>>>>      }
>>>>>>    };
>>>>>>
>>>>>>    class X86_64ELFObjectReader
>>>>>> -    : public ELFObjectReader<X86_64ELFType,
>>>>>> X86_64ELFFileCreateELFTraits> {
>>>>>> +    : public ELFObjectReader<X86_64ELFType,
>>>>>> X86_64ELFFileCreateELFTraits,
>>>>>> +                             X86_64LinkingContext> {
>>>>>>    public:
>>>>>> -  X86_64ELFObjectReader(bool atomizeStrings)
>>>>>> -      : ELFObjectReader<X86_64ELFType, X86_64ELFFileCreateELFTraits>(
>>>>>> -            atomizeStrings, llvm::ELF::EM_X86_64) {}
>>>>>> +  X86_64ELFObjectReader(X86_64LinkingContext &ctx)
>>>>>> +      : ELFObjectReader<X86_64ELFType, X86_64ELFFileCreateELFTraits,
>>>>>> +                        X86_64LinkingContext>(ctx,
>>>>>> llvm::ELF::EM_X86_64)
>>>>>> {}
>>>>>>    };
>>>>>>
>>>>>>    class X86_64ELFDSOReader
>>>>>> -    : public ELFDSOReader<X86_64ELFType,
>>>>>> X86_64DynamicFileCreateELFTraits> {
>>>>>> +    : public ELFDSOReader<X86_64ELFType,
>>>>>> X86_64DynamicFileCreateELFTraits,
>>>>>> +                          X86_64LinkingContext> {
>>>>>>    public:
>>>>>> -  X86_64ELFDSOReader(bool useUndefines)
>>>>>> -      : ELFDSOReader<X86_64ELFType, X86_
>>>>>> 64DynamicFileCreateELFTraits>(
>>>>>> -            useUndefines, llvm::ELF::EM_X86_64) {}
>>>>>> +  X86_64ELFDSOReader(X86_64LinkingContext &ctx)
>>>>>> +      : ELFDSOReader<X86_64ELFType, X86_
>>>>>> 64DynamicFileCreateELFTraits,
>>>>>> +                     X86_64LinkingContext>(ctx, llvm::ELF::EM_X86_64)
>>>>>> {}
>>>>>>    };
>>>>>>
>>>>>>    } // namespace elf
>>>>>>
>>>>>> Modified: lld/trunk/lib/ReaderWriter/ELF/X86_64/X86_64TargetHandler.h
>>>>>> URL:
>>>>>> http://llvm.org/viewvc/llvm-project/lld/trunk/lib/
>>>>>> ReaderWriter/ELF/X86_64/X86_64TargetHandler.h?rev=228905&
>>>>>> r1=228904&r2=228905&view=diff
>>>>>>
>>>>>> ============================================================
>>>>>> ==================
>>>>>> --- lld/trunk/lib/ReaderWriter/ELF/X86_64/X86_64TargetHandler.h
>>>>>> (original)
>>>>>> +++ lld/trunk/lib/ReaderWriter/ELF/X86_64/X86_64TargetHandler.h Wed
>>>>>> Feb
>>>>>> 11 23:02:41 2015
>>>>>> @@ -42,12 +42,12 @@ public:
>>>>>>        return *(_x86_64RelocationHandler.get());
>>>>>>      }
>>>>>>
>>>>>> -  std::unique_ptr<Reader> getObjReader(bool atomizeStrings) override
>>>>>> {
>>>>>> -    return std::unique_ptr<Reader>(new
>>>>>> X86_64ELFObjectReader(atomizeStrings));
>>>>>> +  std::unique_ptr<Reader> getObjReader() override {
>>>>>> +    return std::unique_ptr<Reader>(new X86_64ELFObjectReader(_
>>>>>> context));
>>>>>>      }
>>>>>>
>>>>>> -  std::unique_ptr<Reader> getDSOReader(bool useShlibUndefines)
>>>>>> override {
>>>>>> -    return std::unique_ptr<Reader>(new
>>>>>> X86_64ELFDSOReader(useShlibUndefines));
>>>>>> +  std::unique_ptr<Reader> getDSOReader() override {
>>>>>> +    return std::unique_ptr<Reader>(new X86_64ELFDSOReader(_context));
>>>>>>      }
>>>>>>
>>>>>>      std::unique_ptr<Writer> getWriter() override;
>>>>>>
>>>>>>
>>>>>> _______________________________________________
>>>>>> llvm-commits mailing list
>>>>>> llvm-commits at cs.uiuc.edu
>>>>>> http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits
>>>>>>
>>>>>>
>>>>>>  --
>>> Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted
>>> by the Linux Foundation
>>>
>>>
>>>
>
> --
> Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted
> by the Linux Foundation
>
>
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