1 %verify "executed" 2 %verify "exception for null object (impossible in javac)" 3 %verify "dvmUnlockObject fails" 4 /* 5 * Unlock an object. 6 * 7 * Exceptions that occur when unlocking a monitor need to appear as 8 * if they happened at the following instruction. See the Dalvik 9 * instruction spec. 10 */ 11 /* monitor-exit vAA */ 12 GET_OPA(a2) # a2 <- AA 13 EXPORT_PC() # before fetch: export the PC 14 GET_VREG(a1, a2) # a1 <- vAA (object) 15 # null object? 16 beqz a1, 1f 17 move a0, rSELF # a0 <- self 18 JAL(dvmUnlockObject) # v0 <- success for unlock(self, obj) 19 # failed? 20 FETCH_ADVANCE_INST(1) # before throw: advance rPC, load rINST 21 beqz v0, common_exceptionThrown # yes, exception is pending 22 GET_INST_OPCODE(t0) # extract opcode from rINST 23 GOTO_OPCODE(t0) # jump to next instruction 24 1: 25 FETCH_ADVANCE_INST(1) # before throw: advance rPC, load rINST 26 b common_errNullObject 27
