1 /* Copyright (C) 2008 The Android Open Source Project 2 * 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 /* 17 * File: OP_MONITOR_EXIT.S 18 * 19 * Code: Release a monitor 20 * 21 * For: monitor-exit 22 * 23 * Description: Release a monitor for the indicated object. If this instruction needs 24 * to throw an execption, it must do so as if teh pc has already 25 * advanced pased the instruction. 26 * 27 * Format: AA|op (11x) 28 * 29 * Syntax: op vAA 30 */ 31 32 movl rGLUE, %eax # %eax<- pMterpGlue 33 EXPORT_PC # export the pc 34 GET_VREG rINST # rINST<- vAA 35 cmp $$0, rINST # rINST<- check for null object 36 je common_errNullObject # handle null object 37 push rINST # push parameter object 38 push offGlue_self(%eax) # push parameter self 39 call dvmUnlockObject # call: (struct Thread* self, 40 # struct Object* obj) 41 # return: bool 42 FINISH_FETCH_ADVANCE 1, %edx # advance pc before exception 43 cmp $$0, %eax # check for success 44 lea 8(%esp), %esp 45 je common_exceptionThrown # handle exception 46 FINISH_JMP %edx # jump to next instruction 47
