1 %verify "executed" 2 %verify "exception for null object" 3 /* 4 * Synchronize on an object. 5 */ 6 /* monitor-enter vAA */ 7 GET_GLUE(%ecx) 8 movzbl rINST_HI,rINST_FULL # rINST_FULL<- AA 9 GET_VREG(%eax,rINST_FULL) # eax<- vAA 10 movl offGlue_self(%ecx),%ecx # ecx<- glue->self 11 FETCH_INST_WORD(1) 12 testl %eax,%eax # null object? 13 EXPORT_PC() # need for precise GC, MONITOR_TRACKING 14 jne .L${opcode}_continue 15 jmp common_errNullObject 16 %break 17 18 .L${opcode}_continue: 19 SPILL(rPC) # have to - caller save 20 movl %ecx,OUT_ARG0(%esp) 21 movl %eax,OUT_ARG1(%esp) 22 call dvmLockObject # dvmLockObject(self,object) 23 UNSPILL(rPC) 24 #ifdef WITH_DEADLOCK_PREDICTION 25 GET_GLUE(%ecx) 26 movl offGlueSelf(%ecx),%ecx # ecx<- glue->self 27 movl offThread_exception(%ecx),%eax 28 testl %eax,%eax 29 jne common_exceptionThrown 30 #endif 31 ADVANCE_PC(1) 32 GOTO_NEXT 33
