diff options
Diffstat (limited to 'include/llvm/DebugInfo/DIContext.h')
| -rw-r--r-- | include/llvm/DebugInfo/DIContext.h | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/include/llvm/DebugInfo/DIContext.h b/include/llvm/DebugInfo/DIContext.h index 4126e245ff13..936813dc6abc 100644 --- a/include/llvm/DebugInfo/DIContext.h +++ b/include/llvm/DebugInfo/DIContext.h @@ -204,7 +204,9 @@ public: /// need to be consistent with the addresses used to query the DIContext and /// the output of this function should be deterministic, i.e. repeated calls with /// the same Sec should give the same address. - virtual uint64_t getSectionLoadAddress(const object::SectionRef &Sec) const = 0; + virtual uint64_t getSectionLoadAddress(const object::SectionRef &Sec) const { + return 0; + } /// If conveniently available, return the content of the given Section. /// @@ -221,12 +223,28 @@ public: return false; } + // FIXME: This is untested and unused anywhere in the LLVM project, it's + // used/needed by Julia (an external project). It should have some coverage + // (at least tests, but ideally example functionality). /// Obtain a copy of this LoadedObjectInfo. - /// - /// The caller is responsible for deallocation once the copy is no longer required. virtual std::unique_ptr<LoadedObjectInfo> clone() const = 0; }; +template <typename Derived, typename Base = LoadedObjectInfo> +struct LoadedObjectInfoHelper : Base { +protected: + LoadedObjectInfoHelper(const LoadedObjectInfoHelper &) = default; + LoadedObjectInfoHelper() = default; + +public: + template <typename... Ts> + LoadedObjectInfoHelper(Ts &&... Args) : Base(std::forward<Ts>(Args)...) {} + + std::unique_ptr<llvm::LoadedObjectInfo> clone() const override { + return llvm::make_unique<Derived>(static_cast<const Derived &>(*this)); + } +}; + } // end namespace llvm #endif // LLVM_DEBUGINFO_DICONTEXT_H |