%default {"volatile":"0"} %verify "executed" %verify "null object" %verify "field already resolved" %verify "field not yet resolved" %verify "field cannot be resolved" /* iput-wide/jumbo vBBBB, vCCCC, field@AAAAAAAA */ FETCH(r1, 1) @ r1<- aaaa (lo) FETCH(r2, 2) @ r2<- AAAA (hi) FETCH(r0, 4) @ r0<- CCCC ldr r3, [rSELF, #offThread_methodClassDex] @ r3<- DvmDex orr r1, r1, r2, lsl #16 @ r1<- AAAAaaaa ldr r2, [r3, #offDvmDex_pResFields] @ r2<- pResFields GET_VREG(r9, r0) @ r9<- fp[B], the object pointer ldr r0, [r2, r1, lsl #2] @ r0<- resolved InstField ptr cmp r0, #0 @ is resolved entry null? bne .L${opcode}_finish @ no, already resolved 8: ldr r2, [rSELF, #offThread_method] @ r2<- current method EXPORT_PC() @ resolve() could throw ldr r0, [r2, #offMethod_clazz] @ r0<- method->clazz bl dvmResolveInstField @ r0<- resolved InstField ptr b .L${opcode}_resolved @ resolved, continue %break /* * Currently: * r0 holds resolved field * r9 holds object */ .L${opcode}_resolved: cmp r0, #0 @ resolution unsuccessful? beq common_exceptionThrown @ yes, throw exception @ fall through to ${opcode}_finish /* * Currently: * r0 holds resolved field * r9 holds object */ .L${opcode}_finish: cmp r9, #0 @ check object for null FETCH(r2, 3) @ r1<- BBBB ldr r3, [r0, #offInstField_byteOffset] @ r3<- byte offset of field add r2, rFP, r2, lsl #2 @ r3<- &fp[BBBB] beq common_errNullObject @ object was null FETCH_ADVANCE_INST(5) @ advance rPC, load rINST ldmia r2, {r0-r1} @ r0/r1<- fp[BBBB] GET_INST_OPCODE(r10) @ extract opcode from rINST .if $volatile add r2, r9, r3 @ r2<- target address bl dvmQuasiAtomicSwap64Sync @ stores r0/r1 into addr r2 .else strd r0, [r9, r3] @ obj.field (64 bits, aligned)<- r0/r1 .endif GOTO_OPCODE(r10) @ jump to next instruction