/* Copyright (C) 2008 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /* * File: OP_MONITOR_EXIT.S * * Code: Release a monitor * * For: monitor-exit * * Description: Release a monitor for the indicated object. If this instruction needs * to throw an execption, it must do so as if the pc has already * advanced pased the instruction. * * Format: AA|op (11x) * * Syntax: op vAA */ movl rGLUE, %eax # %eax<- pMterpGlue EXPORT_PC # export the pc GET_VREG rINST # rINST<- vAA cmp $$0, rINST # rINST<- check for null object je common_errNullObject # handle null object push rINST # push parameter object push offGlue_self(%eax) # push parameter self call dvmUnlockObject # call: (struct Thread* self, # struct Object* obj) # return: bool FINISH_FETCH_ADVANCE 1, %edx # advance pc before exception cmp $$0, %eax # check for success lea 8(%esp), %esp je common_exceptionThrown # handle exception FINISH_JMP %edx # jump to next instruction