prev_framefunc_inst ipopnd_stack_bottomopnd_sp (point to opnd stack top)label_stack_bottomlabel_sp (point to label stack top)func arguments:<operand stack>(current func instance) (next bytecode in codefor return)opnd_stack_boundarylabel_stack_boundary<lable stack>prev_frameStack bottomcurrent frameUnusedstack boundarystack topWasm LOCALs (local.set/get):func locals: