/* 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 |