diff options
Diffstat (limited to 'vm/mterp/x86-atom/OP_MONITOR_EXIT.S')
| -rw-r--r-- | vm/mterp/x86-atom/OP_MONITOR_EXIT.S | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/vm/mterp/x86-atom/OP_MONITOR_EXIT.S b/vm/mterp/x86-atom/OP_MONITOR_EXIT.S new file mode 100644 index 0000000..37738d5 --- /dev/null +++ b/vm/mterp/x86-atom/OP_MONITOR_EXIT.S @@ -0,0 +1,46 @@ + /* 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 |