[llvm] r270669 - [llvm-pdbdump] Decipher the remaining PDB streams.
David Blaikie via llvm-commits
llvm-commits at lists.llvm.org
Wed May 25 07:58:27 PDT 2016
On Tue, May 24, 2016 at 10:49 PM, Zachary Turner via llvm-commits <
llvm-commits at lists.llvm.org> wrote:
> Author: zturner
> Date: Wed May 25 00:49:48 2016
> New Revision: 270669
>
> URL: http://llvm.org/viewvc/llvm-project?rev=270669&view=rev
> Log:
> [llvm-pdbdump] Decipher the remaining PDB streams.
>
> We know at least know the meaning of every stream of the
> PDB file. Yay!
>
Nice! \o/
>
> Modified:
> llvm/trunk/include/llvm/DebugInfo/PDB/Raw/DbiStream.h
> llvm/trunk/include/llvm/DebugInfo/PDB/Raw/RawConstants.h
> llvm/trunk/lib/DebugInfo/PDB/Raw/DbiStream.cpp
> llvm/trunk/test/DebugInfo/PDB/pdbdump-headers.test
> llvm/trunk/tools/llvm-pdbdump/llvm-pdbdump.cpp
>
> Modified: llvm/trunk/include/llvm/DebugInfo/PDB/Raw/DbiStream.h
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/DebugInfo/PDB/Raw/DbiStream.h?rev=270669&r1=270668&r2=270669&view=diff
>
> ==============================================================================
> --- llvm/trunk/include/llvm/DebugInfo/PDB/Raw/DbiStream.h (original)
> +++ llvm/trunk/include/llvm/DebugInfo/PDB/Raw/DbiStream.h Wed May 25
> 00:49:48 2016
> @@ -51,6 +51,8 @@ public:
>
> ArrayRef<ModuleInfoEx> modules() const;
>
> + uint32_t getDebugStreamIndex(DbgHeaderType Type) const;
> +
> private:
> Error initializeFileInfo();
>
>
> Modified: llvm/trunk/include/llvm/DebugInfo/PDB/Raw/RawConstants.h
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/DebugInfo/PDB/Raw/RawConstants.h?rev=270669&r1=270668&r2=270669&view=diff
>
> ==============================================================================
> --- llvm/trunk/include/llvm/DebugInfo/PDB/Raw/RawConstants.h (original)
> +++ llvm/trunk/include/llvm/DebugInfo/PDB/Raw/RawConstants.h Wed May 25
> 00:49:48 2016
> @@ -51,6 +51,21 @@ enum SpecialStream : uint32_t {
> StreamIPI = 4,
> };
>
> +enum class DbgHeaderType : uint16_t {
> + FPO,
> + Exception,
> + Fixup,
> + OmapToSrc,
> + OmapFromSrc,
> + SectionHdr,
> + TokenRidMap,
> + Xdata,
> + Pdata,
> + NewFPO,
> + SectionHdrOrig,
> + Max
> +};
> +
> } // end namespace pdb
> } // end namespace llvm
>
>
> Modified: llvm/trunk/lib/DebugInfo/PDB/Raw/DbiStream.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/DebugInfo/PDB/Raw/DbiStream.cpp?rev=270669&r1=270668&r2=270669&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/DebugInfo/PDB/Raw/DbiStream.cpp (original)
> +++ llvm/trunk/lib/DebugInfo/PDB/Raw/DbiStream.cpp Wed May 25 00:49:48 2016
> @@ -302,3 +302,15 @@ Error DbiStream::initializeFileInfo() {
>
> return Error::success();
> }
> +
> +uint32_t DbiStream::getDebugStreamIndex(DbgHeaderType Type) const {
> + ArrayRef<uint8_t> DbgData;
> + if (auto EC = DbgHeader.getArrayRef(0, DbgData, DbgHeader.getLength()))
> {
> + consumeError(std::move(EC));
> + return uint32_t(-1);
> + }
> + ArrayRef<ulittle16_t> DebugStreams(
> + reinterpret_cast<const ulittle16_t *>(DbgData.data()),
> + DbgData.size() / sizeof(ulittle16_t));
> + return DebugStreams[static_cast<uint16_t>(Type)];
> +}
>
> Modified: llvm/trunk/test/DebugInfo/PDB/pdbdump-headers.test
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/PDB/pdbdump-headers.test?rev=270669&r1=270668&r2=270669&view=diff
>
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/PDB/pdbdump-headers.test (original)
> +++ llvm/trunk/test/DebugInfo/PDB/pdbdump-headers.test Wed May 25 00:49:48
> 2016
> @@ -29,8 +29,8 @@
> ; EMPTY-NEXT: Stream 7: [Public Symbol Hash] (604 bytes)
> ; EMPTY-NEXT: Stream 8: [Public Symbol Records] (104 bytes)
> ; EMPTY-NEXT: Stream 9: [Named Stream "/src/headerblock"] (0 bytes)
> -; EMPTY-NEXT: Stream 10: [???] (160 bytes)
> -; EMPTY-NEXT: Stream 11: [???] (32 bytes)
> +; EMPTY-NEXT: Stream 10: [Section Header Data] (160 bytes)
> +; EMPTY-NEXT: Stream 11: [New FPO Data] (32 bytes)
> ; EMPTY-NEXT: Stream 12: [Module
> "d:\src\llvm\test\DebugInfo\PDB\Inputs\empty.obj"] (308 bytes)
> ; EMPTY-NEXT: Stream 13: [Named Stream "/names"] (239 bytes)
> ; EMPTY-NEXT: Stream 14: [Module "* Linker *"] (520 bytes)
>
> Modified: llvm/trunk/tools/llvm-pdbdump/llvm-pdbdump.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/llvm-pdbdump/llvm-pdbdump.cpp?rev=270669&r1=270668&r2=270669&view=diff
>
> ==============================================================================
> --- llvm/trunk/tools/llvm-pdbdump/llvm-pdbdump.cpp (original)
> +++ llvm/trunk/tools/llvm-pdbdump/llvm-pdbdump.cpp Wed May 25 00:49:48 2016
> @@ -272,6 +272,28 @@ static Error dumpStreamSummary(ScopedPri
> Value = "IPI Hash";
> else if (StreamIdx == TIS.getTypeHashStreamAuxIndex())
> Value = "IPI Aux Hash";
> + else if (StreamIdx ==
> DS.getDebugStreamIndex(DbgHeaderType::Exception))
> + Value = "Exception Data";
> + else if (StreamIdx == DS.getDebugStreamIndex(DbgHeaderType::Fixup))
> + Value = "Fixup Data";
> + else if (StreamIdx == DS.getDebugStreamIndex(DbgHeaderType::FPO))
> + Value = "FPO Data";
> + else if (StreamIdx == DS.getDebugStreamIndex(DbgHeaderType::NewFPO))
> + Value = "New FPO Data";
> + else if (StreamIdx ==
> DS.getDebugStreamIndex(DbgHeaderType::OmapFromSrc))
> + Value = "Omap From Source Data";
> + else if (StreamIdx ==
> DS.getDebugStreamIndex(DbgHeaderType::OmapToSrc))
> + Value = "Omap To Source Data";
> + else if (StreamIdx == DS.getDebugStreamIndex(DbgHeaderType::Pdata))
> + Value = "Pdata";
> + else if (StreamIdx ==
> DS.getDebugStreamIndex(DbgHeaderType::SectionHdr))
> + Value = "Section Header Data";
> + else if (StreamIdx ==
> DS.getDebugStreamIndex(DbgHeaderType::SectionHdrOrig))
> + Value = "Section Header Original Data";
> + else if (StreamIdx ==
> DS.getDebugStreamIndex(DbgHeaderType::TokenRidMap))
> + Value = "Token Rid Data";
> + else if (StreamIdx == DS.getDebugStreamIndex(DbgHeaderType::Xdata))
> + Value = "Xdata";
> else {
> auto ModIter = ModStreams.find(StreamIdx);
> auto NSIter = NamedStreams.find(StreamIdx);
>
>
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