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 * Wide 32-bit instance field get. 8 */ 9 /* iget-wide vA, vB, field@CCCC */ 10 mov r0, rINST, lsr #12 @ r0<- B 11 ldr r3, [rSELF, #offThread_methodClassDex] @ r3<- DvmDex 12 FETCH(r1, 1) @ r1<- field ref CCCC 13 ldr r2, [r3, #offDvmDex_pResFields] @ r2<- pResFields 14 GET_VREG(r9, r0) @ r9<- fp[B], the object pointer 15 ldr r0, [r2, r1, lsl #2] @ r0<- resolved InstField ptr 16 cmp r0, #0 @ is resolved entry null? 17 bne .L${opcode}_finish @ no, already resolved 18 8: ldr r2, [rSELF, #offThread_method] @ r2<- current method 19 EXPORT_PC() @ resolve() could throw 20 ldr r0, [r2, #offMethod_clazz] @ r0<- method->clazz 21 bl dvmResolveInstField @ r0<- resolved InstField ptr 22 cmp r0, #0 23 bne .L${opcode}_finish 24 b common_exceptionThrown 25 %break 26 27 /* 28 * Currently: 29 * r0 holds resolved field 30 * r9 holds object 31 */ 32 .L${opcode}_finish: 33 cmp r9, #0 @ check object for null 34 ldr r3, [r0, #offInstField_byteOffset] @ r3<- byte offset of field 35 beq common_errNullObject @ object was null 36 ldrd r0, [r9, r3] @ r0/r1<- obj.field (64-bit align ok) 37 ubfx r2, rINST, #8, #4 @ r2<- A 38 FETCH_ADVANCE_INST(2) @ advance rPC, load rINST 39 add r3, rFP, r2, lsl #2 @ r3<- &fp[A] 40 GET_INST_OPCODE(ip) @ extract opcode from rINST 41 stmia r3, {r0-r1} @ fp[A]<- r0/r1 42 GOTO_OPCODE(ip) @ jump to next instruction 43
