diff --git a/tools/lto2/LTOModule.cpp b/tools/lto2/LTOModule.cpp index 943bef75c87..cc3b1f142dc 100644 --- a/tools/lto2/LTOModule.cpp +++ b/tools/lto2/LTOModule.cpp @@ -91,12 +91,12 @@ LTOModule* LTOModule::makeLTOModule(const char* path, std::string& errMsg) return makeLTOModule(buffer.get(), errMsg); } - +/// makeBuffer - create a MemoryBuffer from a memory range. +/// MemoryBuffer requires the byte past end of the buffer to be a zero. +/// We might get lucky and already be that way, otherwise make a copy. +/// Also if next byte is on a different page, don't assume it is readable. MemoryBuffer* LTOModule::makeBuffer(const void* mem, size_t length) { - // MemoryBuffer requires the byte past end of the buffer to be a zero. - // We might get lucky and already be that way, otherwise make a copy. - // Also if next byte is on a different page, don't assume it is readable. const char* startPtr = (char*)mem; const char* endPtr = startPtr+length; if ( (((uintptr_t)endPtr & (sys::Process::GetPageSize()-1)) == 0)