static OopMap* generate_oop_map(StubAssembler* sasm, bool save_fpu_registers) { assert(frame_size_in_bytes == __ total_frame_size_in_bytes(reg_save_size_in_words), "mismatch in calculation"); sasm->set_frame_size(frame_size_in_bytes / BytesPerWord); int frame_size_in_slots = frame_size_in_bytes / sizeof(jint); OopMap* oop_map = new OopMap(frame_size_in_slots, 0); int i; for (i = 0; i < FrameMap::nof_cpu_regs; i++) { Register r = as_Register(i); if (r == G1 || r == G3 || r == G4 || r == G5) { int sp_offset = cpu_reg_save_offsets[i]; oop_map->set_callee_saved(VMRegImpl::stack2reg(sp_offset), r->as_VMReg()); } } if (save_fpu_registers) { for (i = 0; i < FrameMap::nof_fpu_regs; i++) { FloatRegister r = as_FloatRegister(i); int sp_offset = fpu_reg_save_offsets[i]; oop_map->set_callee_saved(VMRegImpl::stack2reg(sp_offset), r->as_VMReg()); } } return oop_map; }