diff options
Diffstat (limited to 'vm/mterp/x86-atom/OP_MONITOR_ENTER.S')
| -rw-r--r-- | vm/mterp/x86-atom/OP_MONITOR_ENTER.S | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/vm/mterp/x86-atom/OP_MONITOR_ENTER.S b/vm/mterp/x86-atom/OP_MONITOR_ENTER.S new file mode 100644 index 0000000..39d0e7b --- /dev/null +++ b/vm/mterp/x86-atom/OP_MONITOR_ENTER.S @@ -0,0 +1,49 @@ + /* 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 |