%default { "store":"str", "postbarrier":"@ no-op ", "prebarrier":"@ no-op ", "sqnum":"0" } %verify "executed" %verify "null object" %verify "field already resolved" %verify "field not yet resolved" %verify "field cannot be resolved" /* * Jumbo 32-bit instance field put. * * for: iput/jumbo, iput-boolean/jumbo, iput-byte/jumbo, iput-char/jumbo, * iput-short/jumbo */ /* exop 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<- pDvmDex->pResFields GET_VREG(r9, r0) @ r9<- fp[CCCC], 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: @bl common_squeak${sqnum} ldr r3, [r0, #offInstField_byteOffset] @ r3<- byte offset of field FETCH(r1, 3) @ r1<- BBBB cmp r9, #0 @ check object for null GET_VREG(r0, r1) @ r0<- fp[BBBB] beq common_errNullObject @ object was null FETCH_ADVANCE_INST(5) @ advance rPC, load rINST GET_INST_OPCODE(ip) @ extract opcode from rINST $prebarrier @ releasing store $store r0, [r9, r3] @ obj.field (8/16/32 bits)<- r0 $postbarrier GOTO_OPCODE(ip) @ jump to next instruction