%default { "store":"sw","postbarrier":" # noop", "prebarrier":" # noop", "sqnum":"0" } %verify "executed" %verify "null object" %verify "field already resolved" %verify "field not yet resolved" %verify "field cannot be resolved" /* * General 32-bit instance field put. * * for: iput, iput-object, iput-boolean, iput-byte, iput-char, iput-short */ # op vA, vB, field /* CCCC */ GET_OPB(a0) # a0 <- B LOAD_rSELF_methodClassDex(a3) # a3 <- DvmDex FETCH(a1, 1) # a1 <- field ref CCCC LOAD_base_offDvmDex_pResFields(a2, a3) # a2 <- pDvmDex->pResFields GET_VREG(rOBJ, a0) # rOBJ <- fp[B], the object pointer LOAD_eas2(a0, a2, a1) # a0 <- resolved InstField ptr # is resolved entry null? bnez a0, .L${opcode}_finish # no, already resolved LOAD_rSELF_method(a2) # a2 <- current method EXPORT_PC() # resolve() could throw LOAD_base_offMethod_clazz(a0, a2) # a0 <- method->clazz JAL(dvmResolveInstField) # v0 <- resolved InstField ptr # success? move a0, v0 bnez v0, .L${opcode}_finish # yes, finish up b common_exceptionThrown %break /* * Currently: * a0 holds resolved field * rOBJ holds object */ .L${opcode}_finish: #BAL(common_squeak${sqnum}) GET_OPA4(a1) # a1 <- A+ LOAD_base_offInstField_byteOffset(a3, a0) # a3 <- byte offset of field GET_VREG(a0, a1) # a0 <- fp[A] # check object for null beqz rOBJ, common_errNullObject # object was null FETCH_ADVANCE_INST(2) # advance rPC, load rINST GET_INST_OPCODE(t0) # extract opcode from rINST addu rOBJ, rOBJ, a3 # form address $prebarrier # releasing store $store a0, (rOBJ) # obj.field (8/16/32 bits) <- a0 $postbarrier GOTO_OPCODE(t0) # jump to next instruction