diff options
Diffstat (limited to 'include/llvm/DebugInfo/CodeView/DebugSubsectionVisitor.h')
| -rw-r--r-- | include/llvm/DebugInfo/CodeView/DebugSubsectionVisitor.h | 80 |
1 files changed, 16 insertions, 64 deletions
diff --git a/include/llvm/DebugInfo/CodeView/DebugSubsectionVisitor.h b/include/llvm/DebugInfo/CodeView/DebugSubsectionVisitor.h index d4a3d9195a366..75f749dfa9334 100644 --- a/include/llvm/DebugInfo/CodeView/DebugSubsectionVisitor.h +++ b/include/llvm/DebugInfo/CodeView/DebugSubsectionVisitor.h @@ -12,6 +12,7 @@ #include "llvm/DebugInfo/CodeView/CodeView.h" #include "llvm/DebugInfo/CodeView/DebugSubsectionRecord.h" +#include "llvm/DebugInfo/CodeView/StringsAndChecksums.h" #include "llvm/Support/Error.h" #include <cstdint> @@ -30,56 +31,7 @@ class DebugStringTableSubsectionRef; class DebugSymbolRVASubsectionRef; class DebugSymbolsSubsectionRef; class DebugUnknownSubsectionRef; - -struct DebugSubsectionState { -public: - // If no subsections are known about initially, we find as much as we can. - DebugSubsectionState(); - - // If only a string table subsection is given, we find a checksums subsection. - explicit DebugSubsectionState(const DebugStringTableSubsectionRef &Strings); - - // If both subsections are given, we don't need to find anything. - DebugSubsectionState(const DebugStringTableSubsectionRef &Strings, - const DebugChecksumsSubsectionRef &Checksums); - - template <typename T> void initialize(T &&FragmentRange) { - for (const DebugSubsectionRecord &R : FragmentRange) { - if (Strings && Checksums) - return; - if (R.kind() == DebugSubsectionKind::FileChecksums) { - initializeChecksums(R); - continue; - } - if (R.kind() == DebugSubsectionKind::StringTable && !Strings) { - // While in practice we should never encounter a string table even - // though the string table is already initialized, in theory it's - // possible. PDBs are supposed to have one global string table and - // then this subsection should not appear. Whereas object files are - // supposed to have this subsection appear exactly once. However, - // for testing purposes it's nice to be able to test this subsection - // independently of one format or the other, so for some tests we - // manually construct a PDB that contains this subsection in addition - // to a global string table. - initializeStrings(R); - continue; - } - } - } - - const DebugStringTableSubsectionRef &strings() const { return *Strings; } - const DebugChecksumsSubsectionRef &checksums() const { return *Checksums; } - -private: - void initializeStrings(const DebugSubsectionRecord &SR); - void initializeChecksums(const DebugSubsectionRecord &FCR); - - std::unique_ptr<DebugStringTableSubsectionRef> OwnedStrings; - std::unique_ptr<DebugChecksumsSubsectionRef> OwnedChecksums; - - const DebugStringTableSubsectionRef *Strings = nullptr; - const DebugChecksumsSubsectionRef *Checksums = nullptr; -}; +class StringsAndChecksumsRef; class DebugSubsectionVisitor { public: @@ -89,38 +41,38 @@ public: return Error::success(); } virtual Error visitLines(DebugLinesSubsectionRef &Lines, - const DebugSubsectionState &State) = 0; + const StringsAndChecksumsRef &State) = 0; virtual Error visitFileChecksums(DebugChecksumsSubsectionRef &Checksums, - const DebugSubsectionState &State) = 0; + const StringsAndChecksumsRef &State) = 0; virtual Error visitInlineeLines(DebugInlineeLinesSubsectionRef &Inlinees, - const DebugSubsectionState &State) = 0; + const StringsAndChecksumsRef &State) = 0; virtual Error visitCrossModuleExports(DebugCrossModuleExportsSubsectionRef &CSE, - const DebugSubsectionState &State) = 0; + const StringsAndChecksumsRef &State) = 0; virtual Error visitCrossModuleImports(DebugCrossModuleImportsSubsectionRef &CSE, - const DebugSubsectionState &State) = 0; + const StringsAndChecksumsRef &State) = 0; virtual Error visitStringTable(DebugStringTableSubsectionRef &ST, - const DebugSubsectionState &State) = 0; + const StringsAndChecksumsRef &State) = 0; virtual Error visitSymbols(DebugSymbolsSubsectionRef &CSE, - const DebugSubsectionState &State) = 0; + const StringsAndChecksumsRef &State) = 0; virtual Error visitFrameData(DebugFrameDataSubsectionRef &FD, - const DebugSubsectionState &State) = 0; + const StringsAndChecksumsRef &State) = 0; virtual Error visitCOFFSymbolRVAs(DebugSymbolRVASubsectionRef &RVAs, - const DebugSubsectionState &State) = 0; + const StringsAndChecksumsRef &State) = 0; }; Error visitDebugSubsection(const DebugSubsectionRecord &R, DebugSubsectionVisitor &V, - const DebugSubsectionState &State); + const StringsAndChecksumsRef &State); namespace detail { template <typename T> Error visitDebugSubsections(T &&FragmentRange, DebugSubsectionVisitor &V, - DebugSubsectionState &State) { + StringsAndChecksumsRef &State) { State.initialize(std::forward<T>(FragmentRange)); for (const DebugSubsectionRecord &L : FragmentRange) { @@ -133,7 +85,7 @@ Error visitDebugSubsections(T &&FragmentRange, DebugSubsectionVisitor &V, template <typename T> Error visitDebugSubsections(T &&FragmentRange, DebugSubsectionVisitor &V) { - DebugSubsectionState State; + StringsAndChecksumsRef State; return detail::visitDebugSubsections(std::forward<T>(FragmentRange), V, State); } @@ -141,7 +93,7 @@ Error visitDebugSubsections(T &&FragmentRange, DebugSubsectionVisitor &V) { template <typename T> Error visitDebugSubsections(T &&FragmentRange, DebugSubsectionVisitor &V, const DebugStringTableSubsectionRef &Strings) { - DebugSubsectionState State(Strings); + StringsAndChecksumsRef State(Strings); return detail::visitDebugSubsections(std::forward<T>(FragmentRange), V, State); } @@ -150,7 +102,7 @@ template <typename T> Error visitDebugSubsections(T &&FragmentRange, DebugSubsectionVisitor &V, const DebugStringTableSubsectionRef &Strings, const DebugChecksumsSubsectionRef &Checksums) { - DebugSubsectionState State(Strings, Checksums); + StringsAndChecksumsRef State(Strings, Checksums); return detail::visitDebugSubsections(std::forward<T>(FragmentRange), V, State); } |