1 %verify "executed" 2 %verify "null object" 3 %verify "field already resolved" 4 %verify "field not yet resolved" 5 %verify "field cannot be resolved" 6 /* 7 * Jumbo 64-bit instance field get. 8 */ 9 /* iget-wide/jumbo vBBBB, vCCCC, field@AAAA */ 10 movl rSELF,%ecx 11 SPILL(rIBASE) # preserve rIBASE 12 movl 2(rPC),rIBASE # rIBASE<- AAAAAAAA 13 movl offThread_methodClassDex(%ecx),%eax # eax<- DvmDex 14 movzwl 8(rPC),%ecx # ecx<- CCCC 15 movl offDvmDex_pResFields(%eax),%eax # eax<- pDvmDex->pResFields 16 GET_VREG_R %ecx %ecx # ecx<- fp[CCCC], the object ptr 17 movl (%eax,rIBASE,4),%eax # resolved entry 18 testl %eax,%eax # is resolved entry null? 19 jne .L${opcode}_finish # no, already resolved 20 movl rIBASE,OUT_ARG1(%esp) # for dvmResolveInstField 21 movl rSELF,rIBASE 22 EXPORT_PC 23 movl offThread_method(rIBASE),rIBASE # rIBASE<- current method 24 movl offMethod_clazz(rIBASE),rIBASE # rIBASE<- method->clazz 25 SPILL_TMP1(%ecx) # save objpointer across call 26 movl rIBASE,OUT_ARG0(%esp) # pass in method->clazz 27 call dvmResolveInstField # ... to dvmResolveInstField 28 UNSPILL_TMP1(%ecx) 29 testl %eax,%eax # returns InstrField ptr 30 jne .L${opcode}_finish 31 jmp common_exceptionThrown 32 33 .L${opcode}_finish: 34 /* 35 * Currently: 36 * eax holds resolved field 37 * ecx holds object 38 * rINST holds BBBB 39 */ 40 movl offInstField_byteOffset(%eax),%eax # eax<- byte offset of field 41 testl %ecx,%ecx # object null? 42 je common_errNullObject # object was null 43 leal (%ecx,%eax,1),%eax # eax<- address of field 44 movl (%eax),%ecx # ecx<- lsw 45 movl 4(%eax),%eax # eax<- msw 46 SET_VREG_WORD %ecx rINST 0 47 FETCH_INST_OPCODE 5 %ecx 48 UNSPILL(rIBASE) # restore rIBASE 49 SET_VREG_WORD %eax rINST 1 50 ADVANCE_PC 5 51 GOTO_NEXT_R %ecx 52
