diff options
Diffstat (limited to 'llvm/lib/ExecutionEngine/RuntimeDyld')
8 files changed, 16 insertions, 21 deletions
diff --git a/llvm/lib/ExecutionEngine/RuntimeDyld/RTDyldMemoryManager.cpp b/llvm/lib/ExecutionEngine/RuntimeDyld/RTDyldMemoryManager.cpp index de73fbde8eb..99e84b7496d 100644 --- a/llvm/lib/ExecutionEngine/RuntimeDyld/RTDyldMemoryManager.cpp +++ b/llvm/lib/ExecutionEngine/RuntimeDyld/RTDyldMemoryManager.cpp @@ -134,6 +134,18 @@ void RTDyldMemoryManager::deregisterEHFramesInProcess(uint8_t *Addr, #endif +void RTDyldMemoryManager::registerEHFrames(uint8_t *Addr, uint64_t LoadAddr, + size_t Size) { + registerEHFramesInProcess(Addr, Size); + EHFrames.push_back({Addr, Size}); +} + +void RTDyldMemoryManager::deregisterEHFrames() { + for (auto &Frame : EHFrames) + deregisterEHFramesInProcess(Frame.Addr, Frame.Size); + EHFrames.clear(); +} + static int jit_noop() { return 0; } diff --git a/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyld.cpp b/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyld.cpp index df9d2ceba32..e9a4b71c903 100644 --- a/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyld.cpp +++ b/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyld.cpp @@ -73,7 +73,9 @@ namespace llvm { void RuntimeDyldImpl::registerEHFrames() {} -void RuntimeDyldImpl::deregisterEHFrames() {} +void RuntimeDyldImpl::deregisterEHFrames() { + MemMgr.deregisterEHFrames(); +} #ifndef NDEBUG static void dumpSectionMemory(const SectionEntry &S, StringRef State) { diff --git a/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp b/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp index 2725d8ad0e7..660843765b3 100644 --- a/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp +++ b/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp @@ -221,22 +221,10 @@ void RuntimeDyldELF::registerEHFrames() { uint64_t EHFrameLoadAddr = Sections[EHFrameSID].getLoadAddress(); size_t EHFrameSize = Sections[EHFrameSID].getSize(); MemMgr.registerEHFrames(EHFrameAddr, EHFrameLoadAddr, EHFrameSize); - RegisteredEHFrameSections.push_back(EHFrameSID); } UnregisteredEHFrameSections.clear(); } -void RuntimeDyldELF::deregisterEHFrames() { - for (int i = 0, e = RegisteredEHFrameSections.size(); i != e; ++i) { - SID EHFrameSID = RegisteredEHFrameSections[i]; - uint8_t *EHFrameAddr = Sections[EHFrameSID].getAddress(); - uint64_t EHFrameLoadAddr = Sections[EHFrameSID].getLoadAddress(); - size_t EHFrameSize = Sections[EHFrameSID].getSize(); - MemMgr.deregisterEHFrames(EHFrameAddr, EHFrameLoadAddr, EHFrameSize); - } - RegisteredEHFrameSections.clear(); -} - std::unique_ptr<RuntimeDyldELF> llvm::RuntimeDyldELF::create(Triple::ArchType Arch, RuntimeDyld::MemoryManager &MemMgr, diff --git a/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.h b/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.h index 84dd810101f..fb5da6dd8bb 100644 --- a/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.h +++ b/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.h @@ -152,7 +152,6 @@ private: // in a table until we receive a request to register all unregistered // EH frame sections with the memory manager. SmallVector<SID, 2> UnregisteredEHFrameSections; - SmallVector<SID, 2> RegisteredEHFrameSections; // Map between GOT relocation value and corresponding GOT offset std::map<RelocationValueRef, uint64_t> GOTOffsetMap; @@ -180,7 +179,6 @@ public: StubMap &Stubs) override; bool isCompatibleFile(const object::ObjectFile &Obj) const override; void registerEHFrames() override; - void deregisterEHFrames() override; Error finalizeLoad(const ObjectFile &Obj, ObjSectionToIDMap &SectionMap) override; }; diff --git a/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldImpl.h b/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldImpl.h index f5cc883d98f..18c23c5a2a5 100644 --- a/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldImpl.h +++ b/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldImpl.h @@ -515,7 +515,7 @@ public: virtual void registerEHFrames(); - virtual void deregisterEHFrames(); + void deregisterEHFrames(); virtual Error finalizeLoad(const ObjectFile &ObjImg, ObjSectionToIDMap &SectionMap) { diff --git a/llvm/lib/ExecutionEngine/RuntimeDyld/Targets/RuntimeDyldCOFFI386.h b/llvm/lib/ExecutionEngine/RuntimeDyld/Targets/RuntimeDyldCOFFI386.h index 0398413e153..6aa1a2bdb92 100644 --- a/llvm/lib/ExecutionEngine/RuntimeDyld/Targets/RuntimeDyldCOFFI386.h +++ b/llvm/lib/ExecutionEngine/RuntimeDyld/Targets/RuntimeDyldCOFFI386.h @@ -217,7 +217,6 @@ public: } void registerEHFrames() override {} - void deregisterEHFrames() override {} }; } diff --git a/llvm/lib/ExecutionEngine/RuntimeDyld/Targets/RuntimeDyldCOFFThumb.h b/llvm/lib/ExecutionEngine/RuntimeDyld/Targets/RuntimeDyldCOFFThumb.h index 8c6af0bd9c6..318afa21a88 100644 --- a/llvm/lib/ExecutionEngine/RuntimeDyld/Targets/RuntimeDyldCOFFThumb.h +++ b/llvm/lib/ExecutionEngine/RuntimeDyld/Targets/RuntimeDyldCOFFThumb.h @@ -316,7 +316,6 @@ public: } void registerEHFrames() override {} - void deregisterEHFrames() override {} }; } diff --git a/llvm/lib/ExecutionEngine/RuntimeDyld/Targets/RuntimeDyldCOFFX86_64.h b/llvm/lib/ExecutionEngine/RuntimeDyld/Targets/RuntimeDyldCOFFX86_64.h index 109beb36f1e..26e73989d7e 100644 --- a/llvm/lib/ExecutionEngine/RuntimeDyld/Targets/RuntimeDyldCOFFX86_64.h +++ b/llvm/lib/ExecutionEngine/RuntimeDyld/Targets/RuntimeDyldCOFFX86_64.h @@ -194,9 +194,6 @@ public: } UnregisteredEHFrameSections.clear(); } - void deregisterEHFrames() override { - // Stub - } Error finalizeLoad(const ObjectFile &Obj, ObjSectionToIDMap &SectionMap) override { // Look for and record the EH frame section IDs. |
