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/* 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_ENTER.S
*
* Code: Aquire a monitor
*
* For: monitor-enter
*
* Description: Aquire a monitor for the indicated object.
*
*
*
* Format: AA|op (11x)
*
* Syntax: op vAA
*/
movl rGLUE, %eax # %eax<- pMterpGlue
GET_VREG rINST # rINST<- vAA
cmp $$0, rINST # check for null object
movl offGlue_self(%eax), %eax # %eax<- glue->self
EXPORT_PC # need for precise GC
je common_errNullObject # handle null object
# jmp .L${opcode}_finish
#%break
#.L${opcode}_finish:
movl rINST, -4(%esp) # push parameter reference
movl %eax, -8(%esp) # push parameter
lea -8(%esp), %esp
call dvmLockObject # call: (struct Thread* self,
# struct Object* obj)
# return: void
FFETCH_ADV 1, %edx # %edx<- next instruction hi; fetch, advance
lea 8(%esp), %esp
FGETOP_JMP 1, %edx # jump to next instruction; getop, jmp
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