diff options
Diffstat (limited to 'contrib/llvm/lib/ExecutionEngine/RuntimeDyld')
-rw-r--r-- | contrib/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyld.cpp | 46 | ||||
-rw-r--r-- | contrib/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldImpl.h | 6 |
2 files changed, 35 insertions, 17 deletions
diff --git a/contrib/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyld.cpp b/contrib/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyld.cpp index a95f3bb..d16b2db 100644 --- a/contrib/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyld.cpp +++ b/contrib/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyld.cpp @@ -146,9 +146,12 @@ RuntimeDyldImpl::loadObjectImpl(const object::ObjectFile &Obj) { // Compute the memory size required to load all sections to be loaded // and pass this information to the memory manager if (MemMgr.needsToReserveAllocationSpace()) { - uint64_t CodeSize = 0, DataSizeRO = 0, DataSizeRW = 0; - computeTotalAllocSize(Obj, CodeSize, DataSizeRO, DataSizeRW); - MemMgr.reserveAllocationSpace(CodeSize, DataSizeRO, DataSizeRW); + uint64_t CodeSize = 0, RODataSize = 0, RWDataSize = 0; + uint32_t CodeAlign = 1, RODataAlign = 1, RWDataAlign = 1; + computeTotalAllocSize(Obj, CodeSize, CodeAlign, RODataSize, RODataAlign, + RWDataSize, RWDataAlign); + MemMgr.reserveAllocationSpace(CodeSize, CodeAlign, RODataSize, RODataAlign, + RWDataSize, RWDataAlign); } // Used sections from the object file @@ -335,13 +338,15 @@ static bool isZeroInit(const SectionRef Section) { // sections void RuntimeDyldImpl::computeTotalAllocSize(const ObjectFile &Obj, uint64_t &CodeSize, - uint64_t &DataSizeRO, - uint64_t &DataSizeRW) { + uint32_t &CodeAlign, + uint64_t &RODataSize, + uint32_t &RODataAlign, + uint64_t &RWDataSize, + uint32_t &RWDataAlign) { // Compute the size of all sections required for execution std::vector<uint64_t> CodeSectionSizes; std::vector<uint64_t> ROSectionSizes; std::vector<uint64_t> RWSectionSizes; - uint64_t MaxAlignment = sizeof(void *); // Collect sizes of all sections to be loaded; // also determine the max alignment of all sections @@ -376,17 +381,15 @@ void RuntimeDyldImpl::computeTotalAllocSize(const ObjectFile &Obj, SectionSize = 1; if (IsCode) { + CodeAlign = std::max(CodeAlign, Alignment); CodeSectionSizes.push_back(SectionSize); } else if (IsReadOnly) { + RODataAlign = std::max(RODataAlign, Alignment); ROSectionSizes.push_back(SectionSize); } else { + RWDataAlign = std::max(RWDataAlign, Alignment); RWSectionSizes.push_back(SectionSize); } - - // update the max alignment - if (Alignment > MaxAlignment) { - MaxAlignment = Alignment; - } } } @@ -410,9 +413,9 @@ void RuntimeDyldImpl::computeTotalAllocSize(const ObjectFile &Obj, // allocated with the max alignment. Note that we cannot compute with the // individual alignments of the sections, because then the required size // depends on the order, in which the sections are allocated. - CodeSize = computeAllocationSizeForSections(CodeSectionSizes, MaxAlignment); - DataSizeRO = computeAllocationSizeForSections(ROSectionSizes, MaxAlignment); - DataSizeRW = computeAllocationSizeForSections(RWSectionSizes, MaxAlignment); + CodeSize = computeAllocationSizeForSections(CodeSectionSizes, CodeAlign); + RODataSize = computeAllocationSizeForSections(ROSectionSizes, RODataAlign); + RWDataSize = computeAllocationSizeForSections(RWSectionSizes, RWDataAlign); } // compute stub buffer size for the given section @@ -937,7 +940,9 @@ RuntimeDyld::loadObject(const ObjectFile &Obj) { if (!Dyld->isCompatibleFile(Obj)) report_fatal_error("Incompatible object format!"); - return Dyld->loadObject(Obj); + auto LoadedObjInfo = Dyld->loadObject(Obj); + MemMgr.notifyObjectLoaded(*this, Obj); + return LoadedObjInfo; } void *RuntimeDyld::getSymbolLocalAddress(StringRef Name) const { @@ -967,6 +972,17 @@ bool RuntimeDyld::hasError() { return Dyld->hasError(); } StringRef RuntimeDyld::getErrorString() { return Dyld->getErrorString(); } +void RuntimeDyld::finalizeWithMemoryManagerLocking() { + bool MemoryFinalizationLocked = MemMgr.FinalizationLocked; + MemMgr.FinalizationLocked = true; + resolveRelocations(); + registerEHFrames(); + if (!MemoryFinalizationLocked) { + MemMgr.finalizeMemory(); + MemMgr.FinalizationLocked = false; + } +} + void RuntimeDyld::registerEHFrames() { if (Dyld) Dyld->registerEHFrames(); diff --git a/contrib/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldImpl.h b/contrib/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldImpl.h index dafd3c8..ab732c6 100644 --- a/contrib/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldImpl.h +++ b/contrib/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldImpl.h @@ -411,8 +411,10 @@ protected: // \brief Compute an upper bound of the memory that is required to load all // sections - void computeTotalAllocSize(const ObjectFile &Obj, uint64_t &CodeSize, - uint64_t &DataSizeRO, uint64_t &DataSizeRW); + void computeTotalAllocSize(const ObjectFile &Obj, + uint64_t &CodeSize, uint32_t &CodeAlign, + uint64_t &RODataSize, uint32_t &RODataAlign, + uint64_t &RWDataSize, uint32_t &RWDataAlign); // \brief Compute the stub buffer size required for a section unsigned computeSectionStubBufSize(const ObjectFile &Obj, |